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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md deleted file mode 100644 index e1cf152a..00000000 --- a/CONTRIBUTING.md +++ /dev/null @@ -1,361 +0,0 @@ -Guidelines for Developing and Contributing Code -=============================================== - -Introduction ------------- - -This guide aims to help developing and contributing code to the libbsd. One -goal of the libbsd is to stay in synchronization with FreeBSD. This is only -feasible if certain rules are in place. Otherwise, managing more than a -thousand imported source files will become too labour intensive eventually. - -What is in the Git Repository ------------------------------ - -The libbsd a self-contained kit with FreeBSD and RTEMS components -pre-merged. The Waf wscript in libbsd automatically generates the build when -you run waf by reading the modules and module's source, header, defines and -special flags from `libbsd.py`. This is the same module data used to manage -the FreeBSD source. - -Any changes to source in the `freebsd` directories will need to be merged -upstream into our master FreeBSD checkout, the `freebsd-org` submodule. - -The repository contains two FreeBSD source trees. In the `freebsd` directory -are the so called *managed* FreeBSD sources used to build the BSD library. -The FreeBSD source in `freebsd-org` is the *master* version. The -`freebsd-to-rtems.py` script is used to transfer files between the two trees -using the module defnitions in `libbsd.py`. In general terms, if you have -modified managed FreeBSD sources, you will need to run the script in *revert* -or *reverse* mode using the `-R` switch. This will copy the source back to -your local copy of the master FreeBSD source so you can run `git diff` against -the upstream FreeBSD source. If you want to transfer source files from the -master FreeBSD source to the manged FreeBSD sources, then you must run the -script in *forward* mode (the default). - -Kernel and User Space ---------------------- - -FreeBSD uses virtual memory to run separate address spaces. The kernel is one -address space and each process the kernel runs is another separate address -space. The FreeBSD build system understands the separation and separately -linked executable for the kernel and user land maintains the separation. - -RTEMS is a single address space operating system and that means the kernel and -user space code have to be linked to together and be able to run side by -side. This creates additional complexity when working with the FreeBSD code, -for example the FreeBSD kernel has a `malloc` call with a different signature -to the user land `malloc` call. The RTEMS LibBSD support code provides -structured ways to manage the separation. - -LibBSD manages the integration of kernel and user code by knowing the context -of the source code. This lets the merge process handle specific changes each -type of file needs. The build system also uses this information to control the -include paths a source file sees. The kernel code sees the kernel, CPU -specific and build system generated include paths in that order. User code -sees the user include paths then the kernel, CPU specific and build system -generated include paths in that order. The FreeBSD OS include path -`/usr/include` has a mix of kernel and user space header files. The kernel -headers let user space code cleanly access structures the kernel exports. If a -user header file has the same name as a kernel header file the user file will -be used in the user code rather than the kernel file. If the user code -includes a kernel header that file will be found and included. - -Organization ------------- - -The top level directory contains a few directories and files. The following -are important to understand - -* `freebsd-to-rtems.py` - script to convert to and free FreeBSD and RTEMS trees, -* `create-kernel-namespace.sh` - script to create the kernel namespace header `<machine/rtems-bsd-kernel-namespace.h>`, -* `wscript` - automatically generates the build from libbsd.py, -* `libbsd.py` - modules, sources, compile flags, and dependencies -* `freebsd/` - from FreeBSD by script, -* `rtemsbsd/` - RTEMS specific implementations of FreeBSD kernel support routines, -* `testsuite/` - RTEMS specific tests, and -* `libbsd.txt` - documentation in Asciidoc. - -Moving Code Between Managed and Master FreeBSD Source ------------------------------------------------------ - -The script `freebsd-to-rtems.py` is used to copy code from FreeBSD to the -rtems-libbsd tree and to reverse this process. This script attempts to -automate this process as much as possible and performs some transformations -on the FreeBSD code. Its command line arguments are shown below: - -``` -freebsd-to-rtems.py [args] - -?|-h|--help print this and exit - -d|--dry-run run program but no modifications - -D|--diff provide diff of files between trees - -e|--early-exit evaluate arguments, print results, and exit - -m|--makefile Warning: depreciated and will be removed - -b|--buildscripts just generate the build scripts - -S|--stats Print a statistics report - -R|--reverse default FreeBSD -> RTEMS, reverse that - -r|--rtems RTEMS Libbsd directory (default: '.') - -f|--freebsd FreeBSD SVN directory (default: 'freebsd-org') - -c|--config Output the configuration then exit - -v|--verbose enable verbose output mode -``` - -In its default mode of operation, `freebsd-to-rtems.py` is used to copy code -from FreeBSD to the rtems-libbsd tree and perform transformations. - -In *reverse mode*, this script undoes those transformations and copies -the source code back to the *master* FreeBSD tree. This allows us to do -'git diff', evaluate changes made by the RTEMS Project, and report changes -back to FreeBSD upstream. - -In either mode, the script may be asked to perform a dry-run or be verbose. -Also, in either mode, the script is also smart enough to avoid copying over -files which have not changed. This means that the timestamps of files are -not changed unless the contents change. The script will also report the -number of files which changed. In verbose mode, the script will print -the name of the files which are changed. - -To add or update files in the RTEMS FreeBSD tree first run the *reverse mode* -and move the current set of patches FreeBSD. The script may warn you if a file -is not present at the destination for the direction. This can happen as files -not avaliable at the FreeBSD snapshot point have been specially added to the -RTEMS FreeBSD tree. Warnings can also appear if you have changed the list of -files in libbsd.py. The reverse mode will result in the FreeBSD having -uncommitted changes. You can ignore these. Once the reverse process has -finished edit libbsd.py and add any new files then run the forwad mode to bring -those files into the RTEMS FreeBSD tree. - -The following is an example forward run with no changes. - -``` -$ ./freebsd-to-rtems.py -v -Verbose: yes (1) -Dry Run: no -Diff Mode Enabled: no -Only Generate Build Scripts: no -RTEMS Libbsd Directory: . -FreeBSD SVN Directory: freebsd-org -Direction: forward -Forward from FreeBSD GIT into . -0 file(s) were changed: -``` - -The script may also be used to generate a diff in either forward or reverse -direction. - -You can add more than one verbose option (-v) to the command line and get more -detail and debug level information from the command. - -FreeBSD Baseline ----------------- - -Use -``` -$ git log freebsd-org -``` -to figure out the current FreeBSD baseline. - -How to Import Code from FreeBSD -------------------------------- - -* In case you import files from a special FreeBSD version, then update the list above. -* Run `git status` and make sure your working directory is clean. -* Run `./freebsd-to-rtems.py -R` -* Run `./freebsd-to-rtems.py` -* Run `git status` and make sure your working directory is clean. If you see modified files, then the `freebsd-to-rtems.py` script needs to be fixed first. -* Add the files to import to `libbsd.py` and your intended build set (for example `buildset/default.ini`. -* Run `./freebsd-to-rtems.py` -* Immediately check in the imported files without the changes to `libbsd.py` and the buildsets. Do not touch the imported files yourself at this point. -* Port the imported files to RTEMS. See 'Rules for Modifying FreeBSD Source'. -* Add a test to the testsuite if possible. -* Run `./create-kernel-namespace.sh` if you imported kernel space headers. Add only your new defines via `git add -p rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h`. -* Create one commit from this. - -The -S or --stats option generates reports the changes we have made to -FreeBSD. If the code has been reserved into the original FreeBSD tree it will -show nothing has changed. To see what we have change: - -``` -$ cd freebsd-org -$ git checkout -- . -$ cd .. -$ ./freebsd-to-rtems.py -R -S -d - ``` - -The report lists the files change based on the opacity level. The opacity is a -measure on how much of a file differs from the original FreeBSD source. The -lower the value the more transparent the source file it. - -Porting of User-Space Utilities ------------------------------- - -The theory behind the described method is to put all BSS and initialized data -objects into a named section. This section then will be saved before the code is -executed and restored after it has finished. This method limits to a single -threaded execution of the application but minimizes the necessary changes to the -original FreeBSD code. - -* Import and commit the unchanged source files like described above. -* Add the files to the [libbsd.py](libbsd.py) and build them. -* Check the sources for everything that can be made const. This type of patches - should go back to the upstream FreeBSD sources. -* Move static variables out of functions if necessary (search for - "\tstatic"). These patches most likely will not be accepted into FreeBSD. -* Add a rtems_bsd_command_PROGNAME() wrapper function to the source file - containing the main function (e.g. PROGNAME = pfctl). For an example look at - `rtems_bsd_command_pfctl()` in [pfctl.c](freebsd/sbin/pfctl/pfctl.c). -* You probably have to use getopt_r() instead of getopt(). Have a look at - [pfctl.c](freebsd/sbin/pfctl/pfctl.c). -* Build the libbsd without optimization. -* Use the `userspace-header-gen.py` to generate some necessary header - files. It will generate one `rtems-bsd-PROGNAME-MODULE-data.h` per object file, one - `rtems-bsd-PROGNAME-namespace.h` and one `rtems-bsd-PROGNAME-data.h`. To call - the script, you have to compile the objects and afterwards run the helper - script with a call similar to this one: - `python ./userspace-header-gen.py build/arm-rtems4.12-xilinx_zynq_a9_qemu/freebsd/sbin/pfctl/*.o -p pfctl` - Replace the name (given via -p option) by the name of the userspace tool. It - has to match the name that is used in the RTEMS linker set further below. - `Note:` the script `userspace-header-gen.py` depends on pyelftools. It can be - installed using pip: - `pip install --user pyelftools` -* If you regenerated files that have already been generated, you may have to - remove RTEMS-specific names from the namespace. The defaults (linker set names - and rtems_bsd_program_.*) should already be filtered. -* Put the generated header files into the same folder like the source files. -* At the top of each source file place the following right after the user-space header: - ```c - #ifdef __rtems__ - #include <machine/rtems-bsd-program.h> - #include "rtems-bsd-PROGNAME-namespace.h" - #endif /* __rtems__ */ - ``` - The following command may be useful: - ``` - sed -i 's%#include <machine/rtems-bsd-user-space.h>%#include <machine/rtems-bsd-user-space.h>\n\n#ifdef __rtems__\n#include <machine/rtems-bsd-program.h>\n#include "rtems-bsd-PROGNAME-namespace.h"\n#endif /* __rtems__ */%' *.c - ``` -* At the bottom of each source file place the follwing: - ```c - #ifdef __rtems__ - #include "rtems-bsd-PROGNAME-FILE-data.h" - #endif /* __rtems__ */ - ``` - The following command may be useful: - ``` - for i in *.c ; do n=$(basename $i .c) ; echo -e "#ifdef __rtems__\n#include \"rtems-bsd-PROGNAME-$n-data.h\"\n#endif /* __rtems__ */" >> $i ; done - ``` -* Create one compilable commit. - -Rules for Modifying FreeBSD Source ----------------------------------- - -Changes in FreeBSD files must be done using `__rtems__` C pre-processor guards. -This makes synchronization with the FreeBSD upstream easier and is very -important. Patches which do not follow these rules will be rejected. Only add -lines. If your patch contains lines starting with a `-`, then this is wrong. -Subtract code by added `#ifndef __rtems__`. For example: - -```c -/* Global variables for the kernel. */ - -#ifndef __rtems__ -/* 1.1 */ -extern char kernelname[MAXPATHLEN]; -#endif /* __rtems__ */ - -extern int tick; /* usec per tick (1000000 / hz) */ -``` - -```c -#if defined(_KERNEL) || defined(_WANT_FILE) -#ifdef __rtems__ -#include <rtems/libio_.h> -#include <sys/fcntl.h> -#endif /* __rtems__ */ -/* - * Kernel descriptor table. - * One entry for each open kernel vnode and socket. - * - * Below is the list of locks that protects members in struct file. - * - * (f) protected with mtx_lock(mtx_pool_find(fp)) - * (d) cdevpriv_mtx - * none not locked - */ -``` - -```c -extern int profprocs; /* number of process's profiling */ -#ifndef __rtems__ -extern volatile int ticks; -#else /* __rtems__ */ -#include <rtems/score/watchdogimpl.h> -#define ticks _Watchdog_Ticks_since_boot -#endif /* __rtems__ */ - -#endif /* _KERNEL */ -``` - -Add nothing (even blank lines) before or after the `__rtems__` guards. Always -include a `__rtems__` in the guards to make searches easy, so use - -* `#ifndef __rtems__`, -* `#ifdef __rtems__`, -* `#else /* __rtems__ */`, and -* `#endif /* __rtems__ */`. - -The guards must start at the begin of the line. Examples for wrong guards: - -```c -static void -guards_must_start_at_the_begin_of_the_line(int j) -{ - - /* WRONG */ - #ifdef __rtems__ - return (j + 1); - #else /* __rtems__ */ - return (j + 2); - #endif /* __rtems__ */ -} - -static void -missing_rtems_comments_in_the_guards(int j) -{ - -#ifdef __rtems__ - return (j + 3); -/* WRONG */ -#else - return (j + 4); -#endif -} -``` - -The FreeBSD build and configuration system uses option header files, e.g. -`#include "opt_xyz.h"` in an unmodified FreeBSD file. This include is -transformed by the import script into `#include <rtems/bsd/local/opt_xyz.h>`. Do -not disable option header includes via guards. Instead, add an empty option -header, e.g. `touch rtemsbsd/include/rtems/bsd/local/opt_xyz.h`. -```c -/* WRONG */ -#ifndef __rtems__ -#include <rtems/bsd/local/opt_xyz.h> -#endif /* __rtems__ */ -``` - -In general, provide empty header files and do not guard includes. - -For new code use -[STYLE(9)](http://www.freebsd.org/cgi/man.cgi?query=style&apropos=0&sektion=9). - -Do not format original FreeBSD code. Do not perform white space changes even -if you get git commit warnings. - -Automatically Generated FreeBSD Files -------------------------------------- - -Some source and header files are automatically generated during the FreeBSD -build process. The `Makefile.todo` file performs this manually. The should be -included in `freebsd-to-rtems.py` script some time in the future. For details, -see also -[KOBJ(9)](http://www.freebsd.org/cgi/man.cgi?query=kobj&sektion=9&apropos=0). diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst new file mode 100644 index 00000000..0b6fc7a0 --- /dev/null +++ b/CONTRIBUTING.rst @@ -0,0 +1,736 @@ +Guidelines for Developing and Contributing Code +*********************************************** + +Introduction +============ + +This guide aims to help developing and contributing code to the LibBSD. One +goal of the LibBSD is to stay in synchronization with FreeBSD. This is only +feasible if certain rules are in place. Otherwise, managing more than a +thousand imported source files will become too labour intensive eventually. + +The LibBSD makes FreeBSD subsystems like TCP/IP, USB, SD/MMC, PCIe, and some +more usable for RTEMS. It tries to follow the FreeBSD development as close as +possible and therefore is updated to the latest FreeBSD HEAD revision of the +associated FreeBSD branch from time to time. To find out which version of +FreeBSD is currently used as the base version for LibBSD please take a look at +the ``freebsd-org`` submodule. + +This guide captures information on the process of merging code from FreeBSD, +RTEMS specific support files, general guidelines on what modifications to the +FreeBSD source are permitted, and some other topics. For building the library, +see the `README <README.rst>`_. + +Goals of the LibBSD activity are + +* provide functionality from FreeBSD to RTEMS, +* ease updating to future FreeBSD versions, +* ease tracking changes in FreeBSD code, +* minimize manual changes in FreeBSD code. + +We will work to push our changes upstream to the FreeBSD Project and minimize +changes required at each update point. + +What is in the Git Repository +============================= + +The LibBSD a self-contained kit with FreeBSD and RTEMS components +pre-merged. The Waf wscript in LibBSD automatically generates the build when +you run waf by reading the modules and module's source, header, defines and +special flags from ``libbsd.py``. This is the same module data used to manage +the FreeBSD source. + +Any changes to source in the ``freebsd`` directories will need to be merged +upstream into our master FreeBSD checkout, the ``freebsd-org`` submodule. + +The repository contains two FreeBSD source trees. In the ``freebsd`` directory +are the so called *managed* FreeBSD sources used to build the BSD library. +The FreeBSD source in ``freebsd-org`` is the *master* version. The +``freebsd-to-rtems.py`` script is used to transfer files between the two trees +using the module defnitions in ``libbsd.py``. In general terms, if you have +modified managed FreeBSD sources, you will need to run the script in *revert* +or *reverse* mode using the ``-R`` switch. This will copy the source back to +your local copy of the master FreeBSD source so you can run ``git diff`` against +the upstream FreeBSD source. If you want to transfer source files from the +master FreeBSD source to the manged FreeBSD sources, then you must run the +script in *forward* mode (the default). + +Kernel and User Space +===================== + +FreeBSD uses virtual memory to run separate address spaces. The kernel is one +address space and each process the kernel runs is another separate address +space. The FreeBSD build system understands the separation and separately +linked executable for the kernel and user land maintains the separation. + +RTEMS is a single address space operating system and that means the kernel and +user space code have to be linked to together and be able to run side by +side. This creates additional complexity when working with the FreeBSD code, +for example the FreeBSD kernel has a ``malloc`` call with a different signature +to the user land ``malloc`` call. The RTEMS LibBSD support code provides +structured ways to manage the separation. + +LibBSD manages the integration of kernel and user code by knowing the context +of the source code. This lets the merge process handle specific changes each +type of file needs. The build system also uses this information to control the +include paths a source file sees. The kernel code sees the kernel, CPU +specific and build system generated include paths in that order. User code +sees the user include paths then the kernel, CPU specific and build system +generated include paths in that order. The FreeBSD OS include path +``/usr/include`` has a mix of kernel and user space header files. The kernel +headers let user space code cleanly access structures the kernel exports. If a +user header file has the same name as a kernel header file the user file will +be used in the user code rather than the kernel file. If the user code +includes a kernel header that file will be found and included. + +Organization +============ + +The top level directory contains a few directories and files. The following +are important to understand + +* ``freebsd-to-rtems.py`` - script to convert to and free FreeBSD and RTEMS trees, +* ``create-kernel-namespace.sh`` - script to create the kernel namespace header ``<machine/rtems-bsd-kernel-namespace.h>``, +* ``wscript`` - automatically generates the build from libbsd.py, +* ``libbsd.py`` - modules, sources, compile flags, and dependencies +* ``freebsd/`` - from FreeBSD by script, +* ``rtemsbsd/`` - RTEMS specific implementations of FreeBSD kernel support routines, +* ``testsuite/`` - RTEMS specific tests, and +* ``libbsd.txt`` - documentation in Asciidoc. + +Moving Code Between Managed and Master FreeBSD Source +===================================================== + +The script ``freebsd-to-rtems.py`` is used to copy code from FreeBSD to the +rtems-libbsd tree and to reverse this process. This script attempts to +automate this process as much as possible and performs some transformations +on the FreeBSD code. Its command line arguments are shown below: + +.. code-block:: none + + freebsd-to-rtems.py [args] + -?|-h|--help print this and exit + -d|--dry-run run program but no modifications + -D|--diff provide diff of files between trees + -e|--early-exit evaluate arguments, print results, and exit + -m|--makefile Warning: depreciated and will be removed + -b|--buildscripts just generate the build scripts + -S|--stats Print a statistics report + -R|--reverse default FreeBSD -> RTEMS, reverse that + -r|--rtems RTEMS Libbsd directory (default: '.') + -f|--freebsd FreeBSD SVN directory (default: 'freebsd-org') + -c|--config Output the configuration then exit + -v|--verbose enable verbose output mode + +In its default mode of operation, ``freebsd-to-rtems.py`` is used to copy code +from FreeBSD to the rtems-libbsd tree and perform transformations. + +In *reverse mode*, this script undoes those transformations and copies +the source code back to the *master* FreeBSD tree. This allows us to do +'git diff', evaluate changes made by the RTEMS Project, and report changes +back to FreeBSD upstream. + +In either mode, the script may be asked to perform a dry-run or be verbose. +Also, in either mode, the script is also smart enough to avoid copying over +files which have not changed. This means that the timestamps of files are +not changed unless the contents change. The script will also report the +number of files which changed. In verbose mode, the script will print +the name of the files which are changed. + +To add or update files in the RTEMS FreeBSD tree first run the *reverse mode* +and move the current set of patches FreeBSD. The script may warn you if a file +is not present at the destination for the direction. This can happen as files +not avaliable at the FreeBSD snapshot point have been specially added to the +RTEMS FreeBSD tree. Warnings can also appear if you have changed the list of +files in libbsd.py. The reverse mode will result in the FreeBSD having +uncommitted changes. You can ignore these. Once the reverse process has +finished edit libbsd.py and add any new files then run the forwad mode to bring +those files into the RTEMS FreeBSD tree. + +The following is an example forward run with no changes. + +.. code-block:: none + + $ ./freebsd-to-rtems.py -v + Verbose: yes (1) + Dry Run: no + Diff Mode Enabled: no + Only Generate Build Scripts: no + RTEMS Libbsd Directory: . + FreeBSD SVN Directory: freebsd-org + Direction: forward + Forward from FreeBSD GIT into . + 0 file(s) were changed: + +The script may also be used to generate a diff in either forward or reverse +direction. + +You can add more than one verbose option (-v) to the command line and get more +detail and debug level information from the command. + +FreeBSD Baseline +================ + +Use + +.. code-block:: none + + $ git log freebsd-org + +to figure out the current FreeBSD baseline. + +How to Import Code from FreeBSD +=============================== + +* In case you import files from a special FreeBSD version, then update the list above. +* Run ``git status`` and make sure your working directory is clean. +* Run ``./freebsd-to-rtems.py -R`` +* Run ``./freebsd-to-rtems.py`` +* Run ``git status`` and make sure your working directory is clean. If you see modified files, then the ``freebsd-to-rtems.py`` script needs to be fixed first. +* Add the files to import to ``libbsd.py`` and your intended build set (for example ``buildset/default.ini``. +* Run ``./freebsd-to-rtems.py`` +* Immediately check in the imported files without the changes to ``libbsd.py`` and the buildsets. Do not touch the imported files yourself at this point. +* Port the imported files to RTEMS. See 'Rules for Modifying FreeBSD Source'. +* Add a test to the testsuite if possible. +* Run ``./create-kernel-namespace.sh`` if you imported kernel space headers. Add only your new defines via ``git add -p rtemsbsd/include/machine/rtems-bsd-kernel-namespace.h``. +* Create one commit from this. + +The -S or --stats option generates reports the changes we have made to +FreeBSD. If the code has been reserved into the original FreeBSD tree it will +show nothing has changed. To see what we have change: + +.. code-block:: none + + $ cd freebsd-org + $ git checkout -- . + $ cd .. + $ ./freebsd-to-rtems.py -R -S -d + +The report lists the files change based on the opacity level. The opacity is a +measure on how much of a file differs from the original FreeBSD source. The +lower the value the more transparent the source file it. + +Porting of User-Space Utilities +=============================== + +The theory behind the described method is to put all BSS and initialized data +objects into a named section. This section then will be saved before the code is +executed and restored after it has finished. This method limits to a single +threaded execution of the application but minimizes the necessary changes to the +original FreeBSD code. + +* Import and commit the unchanged source files like described above. +* Add the files to the `<libbsd.py>`_ and build them. +* Check the sources for everything that can be made const. This type of patches + should go back to the upstream FreeBSD sources. +* Move static variables out of functions if necessary (search for + "\tstatic"). These patches most likely will not be accepted into FreeBSD. +* Add a rtems_bsd_command_PROGNAME() wrapper function to the source file + containing the main function (e.g. PROGNAME = pfctl). For an example look at + ``rtems_bsd_command_pfctl()`` in `pfctl.c <freebsd/sbin/pfctl/pfctl.c>`_. +* You probably have to use getopt_r() instead of getopt(). Have a look at + `pfctl.c <freebsd/sbin/pfctl/pfctl.c>`_. +* Build the LibBSD without optimization. +* Use the ``userspace-header-gen.py`` to generate some necessary header + files. It will generate one ``rtems-bsd-PROGNAME-MODULE-data.h`` per object file, one + ``rtems-bsd-PROGNAME-namespace.h`` and one ``rtems-bsd-PROGNAME-data.h``. To call + the script, you have to compile the objects and afterwards run the helper + script with a call similar to this one: + ``python ./userspace-header-gen.py build/arm-rtems4.12-xilinx_zynq_a9_qemu/freebsd/sbin/pfctl/*.o -p pfctl`` + Replace the name (given via -p option) by the name of the userspace tool. It + has to match the name that is used in the RTEMS linker set further below. + ``Note:`` the script ``userspace-header-gen.py`` depends on pyelftools. It can be + installed using pip: + ``pip install --user pyelftools`` +* If you regenerated files that have already been generated, you may have to + remove RTEMS-specific names from the namespace. The defaults (linker set names + and rtems_bsd_program_.*) should already be filtered. +* Put the generated header files into the same folder like the source files. +* At the top of each source file place the following right after the user-space header: + + .. code-block:: c + + #ifdef __rtems__ + #include <machine/rtems-bsd-program.h> + #include "rtems-bsd-PROGNAME-namespace.h" + #endif /* __rtems__ */ + + The following command may be useful: + + .. code-block:: none + + sed -i 's%#include <machine/rtems-bsd-user-space.h>%#include <machine/rtems-bsd-user-space.h>\n\n#ifdef __rtems__\n#include <machine/rtems-bsd-program.h>\n#include "rtems-bsd-PROGNAME-namespace.h"\n#endif /* __rtems__ */%' *.c + +* At the bottom of each source file place the follwing: + + .. code-block:: c + + #ifdef __rtems__ + #include "rtems-bsd-PROGNAME-FILE-data.h" + #endif /* __rtems__ */ + + The following command may be useful: + + .. code-block:: none + + for i in *.c ; do n=$(basename $i .c) ; echo -e "#ifdef __rtems__\n#include \"rtems-bsd-PROGNAME-$n-data.h\"\n#endif /* __rtems__ */" >> $i ; done +* Create one compilable commit. + +Rules for Modifying FreeBSD Source +================================== + +Do not reformat original FreeBSD code. Do not perform white space changes even +if you get git commit warnings. **Check your editor settings so that it does +not perform white space changes automatically**, for example adding a newline +to the end of the file. White space changes may result in conflicts during +updates, especially changes at the end of a file. + +Changes in FreeBSD files must be done using ``__rtems__`` C pre-processor guards. +This makes synchronization with the FreeBSD upstream easier and is very +important. Patches which do not follow these rules will be rejected. Only add +lines. If your patch contains lines starting with a ``-``, then this is wrong. +Subtract code by added ``#ifndef __rtems__``. For example: + +.. code-block:: c + + /* Global variables for the kernel. */ + + #ifndef __rtems__ + /* 1.1 */ + extern char kernelname[MAXPATHLEN]; + #endif /* __rtems__ */ + + extern int tick; /* usec per tick (1000000 / hz) */ + +.. code-block:: c + + #if defined(_KERNEL) || defined(_WANT_FILE) + #ifdef __rtems__ + #include <rtems/libio_.h> + #include <sys/fcntl.h> + #endif /* __rtems__ */ + /* + * Kernel descriptor table. + * One entry for each open kernel vnode and socket. + * + * Below is the list of locks that protects members in struct file. + * + * (f) protected with mtx_lock(mtx_pool_find(fp)) + * (d) cdevpriv_mtx + * none not locked + */ + +.. code-block:: c + + extern int profprocs; /* number of process's profiling */ + #ifndef __rtems__ + extern volatile int ticks; + #else /* __rtems__ */ + #include <rtems/score/watchdogimpl.h> + #define ticks _Watchdog_Ticks_since_boot + #endif /* __rtems__ */ + + #endif /* _KERNEL */ + +Add nothing (even blank lines) before or after the ``__rtems__`` guards. Always +include a ``__rtems__`` in the guards to make searches easy, so use + +* ``#ifndef __rtems__``, +* ``#ifdef __rtems__``, +* ``#else /* __rtems__ */``, and +* ``#endif /* __rtems__ */``. + +The guards must start at the begin of the line. Examples for wrong guards: + +.. code-block:: c + + static void + guards_must_start_at_the_begin_of_the_line(int j) + { + + /* WRONG */ + #ifdef __rtems__ + return (j + 1); + #else /* __rtems__ */ + return (j + 2); + #endif /* __rtems__ */ + } + + static void + missing_rtems_comments_in_the_guards(int j) + { + + #ifdef __rtems__ + return (j + 3); + /* WRONG */ + #else + return (j + 4); + #endif + } + +The FreeBSD build and configuration system uses option header files, e.g. +``#include "opt_xyz.h"`` in an unmodified FreeBSD file. This include is +transformed by the import script into ``#include <rtems/bsd/local/opt_xyz.h>``. Do +not disable option header includes via guards. Instead, add an empty option +header, e.g. ``touch rtemsbsd/include/rtems/bsd/local/opt_xyz.h``. + +.. code-block:: c + + /* WRONG */ + #ifndef __rtems__ + #include <rtems/bsd/local/opt_xyz.h> + #endif /* __rtems__ */ + +In general, provide empty header files and do not guard includes. + +For new code use +`STYLE(9) <http://www.freebsd.org/cgi/man.cgi?query=style&apropos=0&sektion=9>`_. + +Update FreeBSD Baseline +======================= + +Perform the following steps to do a FreeBSD baseline update: + +* Update ``__FreeBSD_version`` in ``rtemsbsd/include/machine/rtems-bsd-version.h`` + +* Update the namespace header file. + +* Review all code blocks with the ``REVIEW-AFTER-FREEBSD-BASELINE-UPDATE`` tag. + +Automatically Generated FreeBSD Files +===================================== + +Some source and header files are automatically generated during the FreeBSD +build process. The ``Makefile.todo`` file performs this manually. The should be +included in ``freebsd-to-rtems.py`` script some time in the future. For details, +see also +`KOBJ(9) <http://www.freebsd.org/cgi/man.cgi?query=kobj&sektion=9&apropos=0>`_. + +Reference Board Support Package +=============================== + +The reference BSP for LibBSD development is ``arm/xilinx_zynq_a9_qemu``. All +patches shall be tested for this BSP. The BSP runs on the Qemu simulator which +has some benefits for development and test of the LibBSD + +* ``NULL`` pointer read and write protection, +* Qemu is a fast simulator, +* Qemu provides support for GDB watchpoints, +* Qemu provides support for virtual Ethernet networks, e.g. TUN and bridge + devices (you can run multiple test instances on one virtual network). + +Board Support Package Requirements +================================== + +In FreeBSD, interrupt handler may use mutexes. In RTEMS, using mutexes from +within interrupt context is not allowed, so the Board Support Package (BSP) +should support the +`Interrupt Manager <https://docs.rtems.org/branches/master/c-user/interrupt/directives.html#rtems-interrupt-server-handler-install>`_ +in general. + +Network Interface Drivers Hints +=============================== + +Link Up/Down Events +------------------- + +You can notifiy the application space of link up/down events in your network +interface driver via the +``if_link_state_change(LINK_STATE_UP/LINK_STATE_DOWN)`` function. The +DHCPCD(8) client is a consumer of these events for example. Make sure that the +interface flag ``IFF_UP`` and the interface driver flag ``IFF_DRV_RUNNING`` is +set in case the link is up, otherwise ``ether_output()`` will return the error +status ``ENETDOWN``. + +FreeBSD Kernel Features Ported to LibBSD +======================================== + +All lock based synchronization primitives are implemented through mutexes using +the priority inheritance protocol. + +* `BUS_DMA(9) <http://www.freebsd.org/cgi/man.cgi?query=bus_dma&sektion=9>`_: Bus and Machine Independent DMA Mapping Interface +* `BUS_SPACE(9) <http://www.freebsd.org/cgi/man.cgi?query=bus_space&sektion=9>`_: Bus space manipulation functions +* `CALLOUT(9) <http://www.freebsd.org/cgi/man.cgi?query=callout&sektion=9>`_: Execute a function after a specified length of time +* `CONDVAR(9) <http://www.freebsd.org/cgi/man.cgi?query=condvar&sektion=9>`_: Kernel condition variable +* `DEVICE(9) <http://www.freebsd.org/cgi/man.cgi?query=device&sektion=9>`_: An abstract representation of a device +* `DRIVER(9) <http://www.freebsd.org/cgi/man.cgi?query=driver&sektion=9>`_: Structure describing a device driver +* `EPOCH(9) <http://www.freebsd.org/cgi/man.cgi?query=epoch&sektion=9>`_: Kernel epoch based reclamation +* `MUTEX(9) <http://www.freebsd.org/cgi/man.cgi?query=mutex&sektion=9>`_: Kernel synchronization primitives +* `RMAN(9) <http://www.freebsd.org/cgi/man.cgi?query=rman&sektion=9>`_: Resource management functions +* `RMLOCK(9) <http://www.freebsd.org/cgi/man.cgi?query=rmlock&sektion=9>`_: Kernel reader/writer lock optimized for read-mostly access patterns +* `RWLOCK(9) <http://www.freebsd.org/cgi/man.cgi?query=rwlock&sektion=9>`_: Kernel reader/writer lock +* `SX(9) <http://www.freebsd.org/cgi/man.cgi?query=sx&sektion=9>`_: Kernel shared/exclusive lock +* `SYSCTL(9) <http://www.freebsd.org/cgi/man.cgi?query=SYSCTL_DECL&sektion=9>`_: Dynamic and static sysctl MIB creation functions +* `SYSINIT(9) <http://www.freebsd.org/cgi/man.cgi?query=sysinit&sektion=9>`_: A framework for dynamic kernel initialization +* `TASKQUEUE(9) <http://www.freebsd.org/cgi/man.cgi?query=taskqueue&sektion=9>`_: Asynchronous task execution +* `UMA(9) <http://www.freebsd.org/cgi/man.cgi?query=uma&sektion=9>`_: General-purpose kernel object allocator + +LibBSD Initialization Details +============================= + +The initialization of LibBSD is based on the FreeBSD +`SYSINIT(9) <http://www.freebsd.org/cgi/man.cgi?query=sysinit&sektion=9>`_ +infrastructure. The key to initializing a system is to ensure that the desired +device drivers are explicitly pulled into the linked application. This plus +linking against the LibBSD (``libbsd.a``) will pull in the necessary FreeBSD +infrastructure. + +The FreeBSD kernel is not a library like the RTEMS kernel. It is a bunch of +object files linked together. If we have a library, then creating the +executable is simple. We begin with a start symbol and recursively resolve all +references. With a bunch of object files linked together we need a different +mechanism. Most object files don't know each other. Lets say we have a driver +module. The rest of the system has no references to this driver module. The +driver module needs a way to tell the rest of the system: Hey, kernel I am +here, please use my services! + +This registration of independent components is performed by SYSINIT(9) and +specializations + +The SYSINIT(9) uses some global data structures that are placed in a certain +section. In the linker command file we need this: + +.. code-block:: none + + .rtemsroset : { + KEEP (*(SORT(.rtemsroset.*))) + } + + .rtemsrwset : { + KEEP (*(SORT(.rtemsrwset.*))) + } + +This results for example in this executable layout: + +.. code-block:: none + + [...] + *(SORT(.rtemsroset.*)) + .rtemsroset.bsd.modmetadata_set.begin + 0x000000000025fe00 0x0 libbsd.a(rtems-bsd-init.o) + 0x000000000025fe00 _bsd__start_set_modmetadata_set + .rtemsroset.bsd.modmetadata_set.content + 0x000000000025fe00 0x8 libbsd.a(rtems-bsd-nexus.o) + .rtemsroset.bsd.modmetadata_set.content + 0x000000000025fe08 0x4 libbsd.a(kern_module.o) + [...] + .rtemsroset.bsd.modmetadata_set.content + 0x000000000025fe68 0x4 libbsd.a(mii.o) + .rtemsroset.bsd.modmetadata_set.content + 0x000000000025fe6c 0x4 libbsd.a(mii_bitbang.o) + .rtemsroset.bsd.modmetadata_set.end + 0x000000000025fe70 0x0 libbsd.a(rtems-bsd-init.o) + 0x000000000025fe70 _bsd__stop_set_modmetadata_set + [...] + .rtemsrwset 0x000000000030bad0 0x290 + *(SORT(.rtemsrwset.*)) + .rtemsrwset.bsd.sysinit_set.begin + 0x000000000030bad0 0x0 libbsd.a(rtems-bsd-init.o) + 0x000000000030bad0 _bsd__start_set_sysinit_set + .rtemsrwset.bsd.sysinit_set.content + 0x000000000030bad0 0x4 libbsd.a(rtems-bsd-nexus.o) + .rtemsrwset.bsd.sysinit_set.content + 0x000000000030bad4 0x8 libbsd.a(rtems-bsd-thread.o) + .rtemsrwset.bsd.sysinit_set.content + 0x000000000030badc 0x4 libbsd.a(init_main.o) + [...] + .rtemsrwset.bsd.sysinit_set.content + 0x000000000030bd54 0x4 libbsd.a(frag6.o) + .rtemsrwset.bsd.sysinit_set.content + 0x000000000030bd58 0x8 libbsd.a(uipc_accf.o) + .rtemsrwset.bsd.sysinit_set.end + 0x000000000030bd60 0x0 libbsd.a(rtems-bsd-init.o) + 0x000000000030bd60 _bsd__stop_set_sysinit_set + [...] + +Here you can see, that some global data structures are collected into +continuous memory areas. This memory area can be identified by start and stop +symbols. This constructs a table of uniform items. + +The low level FreeBSD code calls at some time during the initialization the +mi_startup() function (machine independent startup). This function will sort +the SYSINIT(9) set and call handler functions which perform further +initialization. The last step is the scheduler invocation. + +The SYSINIT(9) routines are run in ``mi_startup()`` which is called by +``rtems_bsd_initialize()``. This is also explained in "The Design and +Implementation of the FreeBSD Operating System" section 14.3 "Kernel +Initialization". + +In RTEMS, we have a library and not a bunch of object files. Thus we need a +way to pull-in the desired services out of the libbsd. Here the +``rtems-bsd-sysinit.h`` comes into play. The SYSINIT(9) macros have been +modified and extended for RTEMS in ``<sys/kernel.h>``: + +.. code-block:: none + + #ifndef __rtems__ + #define C_SYSINIT(uniquifier, subsystem, order, func, ident) \ + static struct sysinit uniquifier ## _sys_init = { \ + subsystem, \ + order, \ + func, \ + (ident) \ + }; \ + DATA_SET(sysinit_set,uniquifier ## _sys_init) + #else /* __rtems__ */ + #define SYSINIT_ENTRY_NAME(uniquifier) \ + _bsd_ ## uniquifier ## _sys_init + #define SYSINIT_REFERENCE_NAME(uniquifier) \ + _bsd_ ## uniquifier ## _sys_init_ref + #define C_SYSINIT(uniquifier, subsystem, order, func, ident) \ + struct sysinit SYSINIT_ENTRY_NAME(uniquifier) = { \ + subsystem, \ + order, \ + func, \ + (ident) \ + }; \ + RWDATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier)) + #define SYSINIT_REFERENCE(uniquifier) \ + extern struct sysinit SYSINIT_ENTRY_NAME(uniquifier); \ + static struct sysinit const * const \ + SYSINIT_REFERENCE_NAME(uniquifier) __used \ + = &SYSINIT_ENTRY_NAME(uniquifier) + #define SYSINIT_MODULE_REFERENCE(mod) \ + SYSINIT_REFERENCE(mod ## module) + #define SYSINIT_DRIVER_REFERENCE(driver, bus) \ + SYSINIT_MODULE_REFERENCE(driver ## _ ## bus) + #define SYSINIT_DOMAIN_REFERENCE(dom) \ + SYSINIT_REFERENCE(domain_add_ ## dom) + #endif /* __rtems__ */ + +Here you see that the SYSINIT(9) entries are no longer static. The +``*_REFERENCE()`` macros will create references to the corresponding modules +which are later resolved by the linker. The application has to provide an +object file with references to all required FreeBSD modules. + +System Control Hints +==================== + +If you get undefined references to ``_bsd_sysctl_*`` symbols, then you have to +locate and add the associated system control node, see +`SYSCTL(9) <http://www.freebsd.org/cgi/man.cgi?query=SYSCTL_DECL&sektion=9>`_. + +Issues and TODO +=============== + +* PCI support on x86 uses a quick and dirty hack, see pci_reserve_map(). + +* Priority queues are broken with clustered scheduling. + +* Per-CPU data should be enabled once the new stack is ready for SMP. + +* Per-CPU NETISR(9) should be enabled onece the new stack is ready for SMP. + +* Multiple routing tables are not supported. Every FIB value is set to zero + (= BSD_DEFAULT_FIB). + +* Process identifiers are not supported. Every PID value is set to zero + (= BSD_DEFAULT_PID). + +* User credentials are not supported. The following functions allow the + operation for everyone + + * prison_equal_ip4(), + * chgsbsize(), + * cr_cansee(), + * cr_canseesocket() and + * cr_canseeinpcb(). + +* A basic USB functionality test that is known to work on Qemu is desirable. + +* Adapt generic IRQ PIC interface code to Simple Vectored Interrupt Model + so that those architectures can use new TCP/IP and USB code. + +* freebsd-userspace/rtems/include/sys/syslog.h is a copy from the old + RTEMS TCP/IP stack. For some reason, the __printflike markers do not + compile in this environment. We may want to use the FreeBSD syslog.h + and get this addressed. + +* in_cksum implementations for architectures not supported by FreeBSD. + This will require figuring out where to put implementations that do + not originate from FreeBSD and are populated via the script. + +* MAC support functions are not thread-safe ("freebsd/lib/libc/posix1e/mac.c"). + +* IFCONFIG(8): IEEE80211 support is disabled. This module depends on a XML + parser and mmap(). + +* get_cyclecount(): The implementation is a security problem. + +* What to do with the priority parameter present in the FreeBSD synchronization + primitives and the thread creation functions? + +* TASKQUEUE(9): Support spin mutexes. + +* ZONE(9): Review allocator lock usage in rtems-bsd-chunk.c. + +* KQUEUE(2): Choose proper lock for global kqueue list. + +* TIMEOUT(9): Maybe use special task instead of timer server to call + callout_tick(). + +* sysctl_handle_opaque(): Implement reliable snapshots. + +* PING6(8): What to do with SIGALARM? + +* <sys/param.h>: Update Newlib to use a MSIZE of 256. + +* BPF(4): Add support for zero-copy buffers. + +* UNIX(4): Fix race conditions in the area of socket object and file node + destruction. Add support for file descriptor transmission via control + messages. + +* PRINTF(9): Add support for log(), the %D format specifier is missing in the + normal printf() family. + +* Why is the interrupt server used? The BSD interrupt handlers can block on + synchronization primitives like mutexes. This is in contrast to RTEMS + interrupt service routines. The BSPs using the generic interrupt support + must implement the ``bsp_interrupt_vector_enable()`` and + ``bsp_interrupt_vector_disable()`` routines. They normally enable/disable a + particular interrupt source at the interrupt controller. This can be used to + implement the interrupt server. The interrupt server is a task that wakes-up + in case an associated interrupt happens. The interrupt source is disabled in + a generic interrupt handler that wakes-up the interrupt server task. Once + the postponed interrupt processing is performed in the interrupt server the + interrupt source is enabled again. + +* Convert all BSP linkcmds to use a linkcmds.base so the sections are + easier to insert. + +* NIC Device Drivers +* Only common PCI NIC drivers have been included in the initial set. These + do not include any system on chip or ISA drivers. +* PCI configuration probe does not appear to happen to determine if a + NIC is in I/O or memory space. We have worked around this by using a + static hint to tell the fxp driver the correct mode. But this needs to + be addressed. +* The ISA drivers require more BSD infrastructure to be addressed. This was + outside the scope of the initial porting effort. + +* devfs (Device file system): There is a minimal implementation based on IMFS. + The mount point is fixed to "/dev". Note that the devfs is only used by the + cdev subsystem. cdev has been adapted so that the full path (including the + leading "/dev") is given to devfs. This saves some copy operations. + + devfs_create() first creates the full path and then creates an IMFS generic + node for the device. + + TBD: remove empty paths on devfs_destroy(). + +* altq_subr.c - Arbitrary choices were made in this file that RTEMS would not + support tsc frequency change. Additionally, the clock frequency for + machclk_freq is always measured for RTEMS. + +* conf.h - In order to add make_dev and destroy_dev, variables in the cdev + structure that were not being used were conditionally compiled out. The + capability of supporting children did not appear to be needed and was not + implemented in the rtems version of these routines. + +* Problem to report to FreeBSD: The MMAP_NOT_AVAILABLE define is inverted on + its usage. When it is defined the mmap method is called. Additionally, it is + not used thoroughly. It is not used in the unmap portion of the source. The + file rec_open.c uses the define MMAP_NOT_AVAILABLE to wrap the call to mmap + and file rec_close.c uses the munmap method. diff --git a/README.md b/README.md deleted file mode 100644 index b1a7e1aa..00000000 --- a/README.md +++ /dev/null @@ -1,304 +0,0 @@ -RTEMS LibBSD -============ - -Welcome to building LibBSD for RTEMS using Waf. This package is a library -containing various parts of the FreeBSD kernel ported to RTEMS. The library -replaces the networking port of FreeBSD in the RTEMS kernel sources. This -package is designed to be updated from the FreeBSD kernel sources and contains -more than just the networking code. - -To build this package you need a current RTEMS tool set for your architecture, -and a recent RTEMS kernel for your BSP configured with networking disabled -built and installed. If you already have this you can skip to step 3 of the -build procedure. - -Building and Installing LibBSD ------------------------------- - -The following instructions show you how to build and install RTEMS Tools and -RTEMS kernel for your BSP in separate paths. Using separate paths for the tools -and BSPs lets you manage what you have installed. If you are happy with a -single path you can use the same path in each stage. - -The Waf build support for RTEMS requires you provide your BSP name as an -architecture and BSP pair. You must provide both or Waf will generate an error -message during the configure phase. - -We will build an Xilinx Zynq QEMU BSP using the name -*arm/xilinx_zynq_a9_qemu*. You can copy and paste the shell commands below to -do this. The individual steps are explained afterwards. - -``` -sandbox="$PWD/sandbox" -mkdir sandbox -cd "$sandbox" -git clone git://git.rtems.org/rtems-source-builder.git -git clone git://git.rtems.org/rtems.git -git clone git://git.rtems.org/rtems-libbsd.git -cd "$sandbox" -cd rtems-source-builder/rtems -../source-builder/sb-set-builder --prefix="$sandbox/rtems/5" 5/rtems-arm -cd "$sandbox" -cd rtems -PATH="$sandbox/rtems/5/bin:$PATH" ./bootstrap -cd "$sandbox" -mkdir b-xilinx_zynq_a9_qemu -cd b-xilinx_zynq_a9_qemu -PATH="$sandbox/rtems/5/bin:$PATH" "$sandbox/rtems/configure" \ - --target=arm-rtems5 --prefix="$sandbox/rtems/5" \ - --disable-networking --enable-rtemsbsp=xilinx_zynq_a9_qemu -PATH="$sandbox/rtems/5/bin:$PATH" make -PATH="$sandbox/rtems/5/bin:$PATH" make install -cd "$sandbox" -cd rtems-libbsd -git submodule init -git submodule update rtems_waf -./waf configure --prefix="$sandbox/rtems/5" \ - --rtems-bsps=arm/xilinx_zynq_a9_qemu \ - --buildset=buildset/default.ini -./waf -./waf install -qemu-system-arm -no-reboot -serial null -serial mon:stdio -net none \ - -nographic -M xilinx-zynq-a9 -m 256M \ - -kernel build/arm-rtems5-xilinx_zynq_a9_qemu-default/selectpollkqueue01.exe -``` - -1. Create a sandbox directory: - -``` -$ sandbox="$PWD/sandbox" -$ mkdir sandbox -``` - -2. Clone the repositories: - -``` -$ cd "$sandbox" -$ git clone git://git.rtems.org/rtems-source-builder.git -$ git clone git://git.rtems.org/rtems.git -$ git clone git://git.rtems.org/rtems-libbsd.git -``` - -3. Build and install the tools: - -``` -$ cd "$sandbox" -$ cd rtems-source-builder/rtems -$ ../source-builder/sb-set-builder --prefix="$sandbox/rtems/5" 5/rtems-arm -``` - -4. Bootstrap the RTEMS sources: - -``` -$ cd "$sandbox" -$ cd rtems -$ PATH="$sandbox/rtems/5/bin:$PATH" ./bootstrap -``` - -5. Build and install the RTEMS Board Support Packages (BSP) you want to use: - -``` -$ cd "$sandbox" -$ mkdir b-xilinx_zynq_a9_qemu -$ cd b-xilinx_zynq_a9_qemu -$ PATH="$sandbox/rtems/5/bin:$PATH" "$sandbox/rtems/configure" \ - --target=arm-rtems5 --prefix="$sandbox/rtems/5" \ - --disable-networking --enable-rtemsbsp=xilinx_zynq_a9_qemu -$ PATH="$sandbox/rtems/5/bin:$PATH" make -$ PATH="$sandbox/rtems/5/bin:$PATH" make install -``` - -6. Populate the rtems_waf git submodule. Note, make sure you specify - 'rtems_waf' or the FreeBSD kernel source will be cloned: - -``` -$ cd "$sandbox" -$ cd rtems-libbsd -$ git submodule init -$ git submodule update rtems_waf -``` - -7. Run Waf's configure with your specific settings. In this case the path to - the tools and RTEMS are provided on the command line and so do not need to - be in your path or environment [1]. You can use - '--rtems-archs=arm,sparc,i386' or - '--rtems-bsps=arm/xilinx_zynq_a9_qemu,sparc/sis,i386/pc586' to build for - more than BSP at a time. Note, you must provide the architecture and BSP as - a pair. Providing just the BSP name will fail. This call also explicitly - provides a buildset via the '--buildset=buildset/default.ini' option. If no - buildset is provided the default one (which is the same as the one provided - explicitly here) will be used. You can also provide multiple buildsets as a - coma separated list or via multiple '--buildset=x' options. - -``` -$ cd "$sandbox" -$ cd rtems-libbsd -$ ./waf configure --prefix="$sandbox/rtems/5" \ - --rtems-bsps=arm/xilinx_zynq_a9_qemu \ - --buildset=buildset/default.ini -``` - -8. Build and install. The LibBSD package will be installed into the prefix - provided to configure: - -``` -$ cd "$sandbox" -$ cd rtems-libbsd -$ ./waf -$ ./waf install -``` - -9. Run the tests on QEMU, for example using VDE: - -``` -$ qemu-system-arm -no-reboot -serial null -serial mon:stdio \ - -net nic,model=cadence_gem -net vde,id=vde0,sock=/tmp/vde1 \ - -nographic -M xilinx-zynq-a9 -m 256M \ - -kernel build/arm-rtems5-xilinx_zynq_a9_qemu/selectpollkqueue01.exe -``` - -[1] It is good practice to keep your environment as empty as possible. Setting - paths to tools or specific values to configure or control a build is - dangerous because settings can leak between different builds and change - what you expect a build to do. The Waf tool used here lets you specify on - the command line the tools and RTEMS paths and this is embedded in Waf's - configuration information. If you have a few source trees working at any - one time with different tool sets or configurations you can easly move - between them safe in the knowledge that one build will not infect another. - -Branches --------- - -* master - branch intended for the RTEMS master which tracks the FreeBSD master - branch. This branch must be used for libbsd development. Back ports to the - 6-freebsd-12 are allowed. - -* 6-freebsd-12 - branch intended for RTEMS 6 which tracks the FreeBSD stable/12 - branch. This branch is maintained and regular updates from FreeBSD are - planned. It is recommended for production systems. - -* 5-freebsd-12 - branch belongs to the RTEMS 5 release. It is based on FreeBSD - stable/12 branch. It is recommended for production systems that use RTEMS 5. - -* 5 - branch belongs to the RTEMS 5 release. It is based on a FreeBSD - development version. - -* freebsd-9.3 - branch for some RTEMS version with a FreeBSD 9.3 baseline. - This branch is unmaintained. It is recommended to update to RTEMS 5 or 6. - -* 4.11 - branch for the RTEMS 4.11 release series. This branch is - unmaintained. It is recommended to update to RTEMS 5 or 6. - -Updating RTEMS Waf Support --------------------------- - -If you have a working libbsd repository and new changes to the `rtems_waf` -submodule has been made, you will need update. A `git status` will indicate -there are new commits with: - -``` -$ git status - [ snip output ] - modified: rtems_waf (new commits) - [ snip output ] -``` - -To update: - -``` -$ git submodule update rtems_waf -``` - -Please make sure you use the exact command or you might find you are cloning -the whole of the FreeBSD source tree. If that happens simply git ^C and try -again. - -FreeBSD Kernel Options ----------------------- - -You can set FreeBSD kernel options during build configuration with the ---freebsd-option=a,b,c,... configuration command option. This is an advanced -option and should only be used if you are familiar with the internals of the -FreeBSD kernel and what these options do. Each of the comma separated options -is converted to uppercase and passed as a compiler command line define (-D). - -The options are listed in: - -https://github.com/freebsd/freebsd/blob/master/sys/conf/NOTES - -An example to turn on a verbose kernel boot, verbose sysinit and bus debugging -configure with: - -``` ---freebsd-options=bootverbose,verbose_sysinit,bus_debug -``` - -To enable kernel internal consistency checking use: - -``` ---freebsd-options=invariants,invariant_support -``` - -Qemu and Networking -------------------- - -You can use the Qemu simulator to run a LibBSD based application and connect it -to a virtual network on your host. You have to create a TAP virtual Ethernet -interface for this: - -``` -sudo tunctl -p -t qtap -u $(whoami) -sudo ip link set dev qtap up -sudo ip addr add 169.254.1.1/16 dev qtap -``` - -You can show the interface state with the following command: - -``` -$ ip addr show qtap -27: qtap: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 - link/ether 8e:50:a2:fb:e1:3b brd ff:ff:ff:ff:ff:ff - inet 169.254.1.1/16 scope global qtap - valid_lft forever preferred_lft forever -``` - -You may have to assign the interface to a firewall zone. - -The Qemu command line varies by board support package, here is an example for -the arm/xilinx_zynq_a9_qemu BSP: - -``` -qemu-system-arm -serial null -serial mon:stdio -nographic \ - -M xilinx-zynq-a9 -m 256M \ - -net tap,ifname=qtap,script=no,downscript=no \ - -net nic,model=cadence_gem,macaddr=0e:b0:ba:5e:ba:12 \ - -kernel build/arm-rtems5-xilinx_zynq_a9_qemu-default/media01.exe -``` - -After some seconds it will acquire a IPv4 link-local address, e.g. - -``` -info: cgem0: probing for an IPv4LL address -debug: cgem0: checking for 169.254.159.156 -``` - -You can connect to the target via telnet for example: - -``` -$ telnet 169.254.159.156 -Trying 169.254.159.156... -Connected to 169.254.159.156. -Escape character is '^]'. - -RTEMS Shell on /dev/pty4. Use 'help' to list commands. -TLNT [/] # -``` - -SMP Requirements ----------------- - -In order to support -[EPOCH(9)](https://www.freebsd.org/cgi/man.cgi?query=epoch&apropos=0&sektion=9) -a scheduler with thread pinning support is required. This is the case if you -use the default scheduler configuration. EPOCH(9) is a central synchronization -mechanism of the network stack. diff --git a/README.rst b/README.rst new file mode 100644 index 00000000..9b328078 --- /dev/null +++ b/README.rst @@ -0,0 +1,853 @@ +RTEMS LibBSD +************ + +Welcome to building LibBSD for RTEMS using Waf. This package is a library +containing various parts of the FreeBSD kernel ported to RTEMS. The library +replaces the networking port of FreeBSD in the RTEMS kernel sources. This +package is designed to be updated from the FreeBSD kernel sources and contains +more than just the networking code. + +To build this package you need a current RTEMS tool set for your architecture, +and a recent RTEMS kernel for your BSP installed. If you already have this, you +can skip to step 5 of the build procedure. + +Building and Installing LibBSD +============================== + +The following instructions show you how to build and install the RTEMS Tool +Suite for the ``arm`` target, the RTEMS kernel using the +``arm/xilinx_zynq_a9_qemu`` Board Support Package (BSP), and the LibBSD for this +BSP. + +The Waf build support for RTEMS requires you provide your BSP name as an +architecture and BSP pair. You must provide both or Waf will generate an error +message during the configure phase. + +We will build an Xilinx Zynq Qemu BSP using the name +``arm/xilinx_zynq_a9_qemu``. You can copy and paste the shell commands below to +do this. The individual steps are explained afterwards. + +.. code-block:: none + + sandbox="$PWD/sandbox" + mkdir sandbox + cd "$sandbox" + git clone git://git.rtems.org/rtems-source-builder.git + git clone git://git.rtems.org/rtems.git + git clone git://git.rtems.org/rtems-libbsd.git + cd "$sandbox" + cd rtems-source-builder/rtems + ../source-builder/sb-set-builder --prefix="$sandbox/rtems/6" 6/rtems-arm + cd "$sandbox" + cd rtems + echo -e "[arm/xilinx_zynq_a9_qemu]" > config.ini + ./waf configure --prefix "$sandbox/rtems/6" + ./waf + ./waf install + cd "$sandbox" + cd rtems-libbsd + git submodule init + git submodule update rtems_waf + ./waf configure --prefix="$sandbox/rtems/6" \ + --rtems-bsps=arm/xilinx_zynq_a9_qemu \ + --buildset=buildset/default.ini + ./waf + ./waf install + ../rtems/6/bin/rtems-test --rtems-bsp=xilinx_zynq_a9_qemu build + +1. Create a sandbox directory: + + .. code-block:: none + + $ sandbox="$PWD/sandbox" + $ mkdir sandbox + +2. Clone the repositories: + + .. code-block:: none + + $ cd "$sandbox" + $ git clone git://git.rtems.org/rtems-source-builder.git + $ git clone git://git.rtems.org/rtems.git + $ git clone git://git.rtems.org/rtems-libbsd.git + +3. Build and install the tools: + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems-source-builder/rtems + $ ../source-builder/sb-set-builder --prefix="$sandbox/rtems/6" 6/rtems-arm + +4. Build and install the RTEMS Board Support Packages (BSP) you want to use: + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems + $ echo -e "[arm/xilinx_zynq_a9_qemu]" > config.ini + $ ./waf configure --prefix "$sandbox/rtems/6" + $ ./waf + $ ./waf install + +5. Populate the ``rtems_waf`` git submodule. Note, make sure you specify + ``rtems_waf`` or the FreeBSD kernel source will be cloned: + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems-libbsd + $ git submodule init + $ git submodule update rtems_waf + +6. Run Waf's configure with your specific settings. In this case the path to + the tools and RTEMS are provided on the command line and so do not need to + be in your path or environment, see comment below. You can use + ``--rtems-archs=arm,sparc,i386`` or + ``--rtems-bsps=arm/xilinx_zynq_a9_qemu,sparc/sis,i386/pc586`` to build for + more than BSP at a time. Note, you must provide the architecture and BSP as + a pair. Providing just the BSP name will fail. This call also explicitly + provides a buildset via the ``--buildset=buildset/default.ini`` option. If no + buildset is provided the default one (which is the same as the one provided + explicitly here) will be used. You can also provide multiple buildsets as a + coma separated list or via multiple ``--buildset=x`` options. + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems-libbsd + $ ./waf configure --prefix="$sandbox/rtems/6" \ + --rtems-bsps=arm/xilinx_zynq_a9_qemu \ + --buildset=buildset/default.ini + +7. Build and install. The LibBSD package will be installed into the prefix + provided to configure: + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems-libbsd + $ ./waf + $ ./waf install + +9. Run the tests: + + .. code-block:: none + + $ cd "$sandbox" + $ cd rtems-libbsd + $ ../rtems/6/bin/rtems-test --rtems-bsp=xilinx_zynq_a9_qemu build + +It is good practice to keep your environment as empty as possible. Setting +paths to tools or specific values to configure or control a build is dangerous +because settings can leak between different builds and change what you expect a +build to do. The Waf tool used here lets you specify on the command line the +tools and RTEMS paths and this is embedded in Waf's configuration information. +If you have a few source trees working at any one time with different tool sets +or configurations you can easly move between them safe in the knowledge that +one build will not infect another. + +Buildsets +========= + +Note that the LibBSD supports different buildsets. These can be selected with +the ``--buildset=some.ini`` option during the configure phase. Take a look at +the comments in ``buildset/*.ini`` to see which build sets are officially +supported. + +You can also create and provide your own buildset configuration. But remember +that it's quite easy to break something by disabling the wrong modules. Only +the configurations in the ``buildset`` directory are officially maintained. + +Initialization +============== + +To initialise the LibBSD create a suitable ``rc.conf`` file. The FreeBSD man +page `RC.CONF(5) <https://www.freebsd.org/cgi/man.cgi?rc.conf>`_ provides the +details needed to create a suitable format file + +You can call one of three functions to run the initialisation once LibBSD has +initialised: + +* ``rtems_bsd_run_etc_rc_conf()``: Run ``/etc/rc.conf``. +* ``rtems_bsd_run_rc_conf()``: Run a user supplied file. +* ``rtems_bsd_run_rc_conf_script()``: Run the in memory line feed separated text string. + +For exapmle: + +.. code-block:: c + + void + network_init(void) + { + rtems_status_code sc; + + sc = rtems_bsd_initialize(); + assert(sc == RTEMS_SUCCESSFUL); + + rtems_bsd_run_etc_rc_conf(true); /* verbose = true */ + } + +By default the networking support is builtin. Other directives can be added and +are found in ``machine/rtems-bsd-rc-conf-directives.h``. Please check the file +for the list. + +The following network names are supported: + +.. code-block:: none + + cloned_interfaces + ifconfig_'interface' + defaultrouter + hostname + +For example: + +.. code-block:: none + + # + # My BSD initialisation. + # + hostname="myhost" + cloned_interfaces="vlan0 vlan1" + ifconfig_re0="inet inet 10.10.10.10 netmask 255.255.255.0" + fconfig_vlan0="inet 10.11.10.10 255.255.255.0 vlan 101 vlandev re0" + defaultrouter="10.10.10.1" + +You can also intialise the LibBSD using code. The following code to +initialize the LibBSD: + +.. code-block:: c + + #include <assert.h> + #include <sysexits.h> + + #include <rtems/bsd/bsd.h> + + void + network_init(void) + { + rtems_status_code sc; + int exit_code; + + sc = rtems_bsd_initialize(); + assert(sc == RTEMS_SUCCESSFUL); + + exit_code = rtems_bsd_ifconfig_lo0(); + assert(exit_code == EX_OK); + } + +This performs the basic network stack initialization with a loopback interface. +Further initialization must be done using the standard FreeBSD network +configuration commands +`IFCONFIG(8) <http://www.freebsd.org/cgi/man.cgi?query=ifconfig&sektion=8>`_ +using ``rtems_bsd_command_ifconfig()`` and +`ROUTE(8) <http://www.freebsd.org/cgi/man.cgi?query=route&sektion=8>`_ +using ``rtems_bsd_command_route()``. For an example, please have a look at +`default-network-init.h <testsuite/include/rtems/bsd/test/default-network-init.h>`_. + +Task Priorities and Stack Size +============================== + +The default task priority is 96 for the interrupt server task (name "IRQS"), 98 +for the timer server task (name "TIME") and 100 for all other tasks. The +application may provide their own implementation of the +``rtems_bsd_get_task_priority()`` function if different values are desired (for +example in the translation unit which calls ``rtems_bsd_initialize()``). + +The task stack size is determined by the ``rtems_bsd_get_task_stack_size()`` +function which may be provided by the application in case the default is not +appropriate. + +Size for Allocator Domains +========================== + +The size for an allocator domain can be specified via the +``rtems_bsd_get_allocator_domain_size()`` function. The application may provide +their own implementation of the ``rtems_bsd_get_allocator_domain_size()`` +function (for example in the module which calls ``rtems_bsd_initialize()``) if +different values are desired. The default size is 8MiB for all domains. + +Redirecting or Disabling the Output +=================================== + +A lot of system messages are printed to the ``stdout`` by default. If you want to +redirect them you can overwrite the default print handler. That can even be done +before the libbsd initialization to catch all messages. An example would look +like follows: + +.. code-block:: c + + int my_vprintf_handler(int level, const char *fmt, va_list ap) { + /* Do something with the messages. */ + + return number_of_printed_chars; + } + + ... + /* In your initialization: */ + rtems_bsd_vprintf_handler old; + old = rtems_bsd_set_vprintf_handler(my_vprintf_handler); + ... + +As a special case, you can set the ``rtems_bsd_vprintf_handler_mute(...)`` +provided by LibBSD to suppress all output. + +Branches +======== + +master + This branch is intended for the RTEMS master which tracks the FreeBSD + master branch. This branch must be used for libbsd development. Back + ports to the 6-freebsd-12 are allowed. + +6-freebsd-12 + This branch is intended for RTEMS 6 which tracks the FreeBSD stable/12 + branch. This branch is maintained and regular updates from FreeBSD are + planned. It is recommended for production systems. + +5-freebsd-12 + This branch belongs to the RTEMS 5 release. It is based on FreeBSD + stable/12 branch. It is recommended for production systems that use + RTEMS 5. + +5 + This branch belongs to the RTEMS 5 release. It is based on a FreeBSD + development version. This branch is unmaintained. Use 5-freebsd-12 for + RTEMS 5. + +freebsd-9.3 + Is the branch for some RTEMS version with a FreeBSD 9.3 baseline. This + branch is unmaintained. It is recommended to update to RTEMS 5 or 6. + +4.11 + Is the branch for the RTEMS 4.11 release series. This branch is + unmaintained. It is recommended to update to RTEMS 5 or 6. + +Features +======== + +The following features are available in LibBSD. Some features need device +driver support for a particular target platform. + +* `BPF(4) <http://www.freebsd.org/cgi/man.cgi?query=bpf&sektion=4>`_: Berkeley Packet Filter +* `DHCPCD(8) <http://roy.marples.name/projects/dhcpcd/index>`_: DHCP client +* `dns_sd.h <mDNSResponder/mDNSShared/dns_sd.h>`_: DNS Service Discovery +* `GETHOSTBYNAME(3) <http://www.freebsd.org/cgi/man.cgi?query=gethostbyname&sektion=3>`_: Get network host entry +* `IF_BRIDGE(4) <http://www.freebsd.org/cgi/man.cgi?query=if_bridge&sektion=4>`_: Network bridge device +* `INET(4) <http://www.freebsd.org/cgi/man.cgi?query=inet&sektion=4>`_: Internet protocol family +* `INET6(4) <http://www.freebsd.org/cgi/man.cgi?query=inet6&sektion=4>`_: Internet protocol version 6 family +* `IPSEC(4) <http://www.freebsd.org/cgi/man.cgi?query=ipsec&sektion=4>`_: Internet Protocol Security protocol +* `KQUEUE(2) <http://www.freebsd.org/cgi/man.cgi?query=kqueue&sektion=2>`_: Kernel event notification mechanism +* `LAGG(4) <http://www.freebsd.org/cgi/man.cgi?query=lagg&sektion=4>`_: Link aggregation and link failover interface +* `mDNSEmbeddedAPI.h <mDNSResponder/mDNSCore/mDNSEmbeddedAPI.h>`_: Multi-Cast DNS +* `MMC(4) <http://www.freebsd.org/cgi/man.cgi?query=mmc&sektion=4>`_: MultiMediaCard and SD Card bus driver +* `NET80211(4) <http://www.freebsd.org/cgi/man.cgi?query=net80211&sektion=4>`_: Standard interface to IEEE 802.11 devices +* `NVME(4) <http://www.freebsd.org/cgi/man.cgi?query=nvme&sektion=4>`_: NVM Express core driver +* `PCI(4) <http://www.freebsd.org/cgi/man.cgi?query=pci&sektion=4>`_: Generic PCI/PCIe bus driver +* `PF(4) <http://www.freebsd.org/cgi/man.cgi?query=pf&sektion=4>`_: Packet filter +* `POLL(2) <http://www.freebsd.org/cgi/man.cgi?query=poll&sektion=2>`_: Synchronous I/O multiplexing +* `RESOLVER(3) <http://www.freebsd.org/cgi/man.cgi?query=resolver&sektion=3>`_: Resolver routines +* `ROUTE(4) <http://www.freebsd.org/cgi/man.cgi?query=route&sektion=4>`_: Kernel packet forwarding database +* `SELECT(2) <http://www.freebsd.org/cgi/man.cgi?query=select&sektion=2>`_: Synchronous I/O multiplexing +* `SOCKET(2) <http://www.freebsd.org/cgi/man.cgi?query=socket&sektion=2>`_: Create an endpoint for communication +* `SSL(7) <http://www.freebsd.org/cgi/man.cgi?query=ssl&sektion=7>`_: OpenSSL SSL/TLS library +* `SYSCTL(3) <http://www.freebsd.org/cgi/man.cgi?query=sysctl&sektion=3>`_: Get or set system information +* `TCP(4) <http://www.freebsd.org/cgi/man.cgi?query=tcp&sektion=4>`_: Internet Transmission Control Protocol +* `UDP(4) <http://www.freebsd.org/cgi/man.cgi?query=udp&sektion=4>`_: Internet User Datagram Protocol +* `UMASS(4) <http://www.freebsd.org/cgi/man.cgi?query=umass&sektion=4>`_: USB Mass Storage Devices driver +* `UNIX(4) <http://www.freebsd.org/cgi/man.cgi?query=unix&sektion=4>`_: UNIX-domain protocol family +* `USB(4) <http://www.freebsd.org/cgi/man.cgi?query=usb&sektion=4>`_: Universal Serial Bus +* `VLAN(4) <http://www.freebsd.org/cgi/man.cgi?query=vlan&sektion=4>`_: IEEE 802.1Q VLAN network interface + +Commands +======== + +In LibBSD the following ports of FreeBSD command line tools are available. You +can invoke the commands in the RTEMS Shell or through function calls, for +example ``rtems_bsd_command_ifconfig()``. The functions declarations are +available through +`#include <machine/rtems-bsd-commands.h> <rtemsbsd/include/machine/rtems-bsd-commands.h>`_. + +* `ARP(8) <http://www.freebsd.org/cgi/man.cgi?query=arp&sektion=8>`_: Address resolution display and control +* `HOSTNAME(1) <http://www.freebsd.org/cgi/man.cgi?query=hostname&sektion=1>`_: Set or print name of current host system +* `IFCONFIG(8) <http://www.freebsd.org/cgi/man.cgi?query=ifconfig&sektion=8>`_: Configure network interface parameters +* `IFMCSTAT(8) <http://www.freebsd.org/cgi/man.cgi?query=ifmcstat&sektion=8>`_: Dump multicast group management statistics per interface +* `NETSTAT(1) <http://www.freebsd.org/cgi/man.cgi?query=netstat&sektion=1>`_: Show network status +* `NVMECONTROL(8) <http://www.freebsd.org/cgi/man.cgi?query=nvmecontrol&sektion=8>`_: NVM Express control utility +* `OPENSSL(1) <http://www.freebsd.org/cgi/man.cgi?query=openssl&sektion=1>`_: OpenSSL command line tool +* `PFCTL(8) <http://www.freebsd.org/cgi/man.cgi?query=pfctl&sektion=8>`_: Control the packet filter (PF) device +* `PING6(8) <http://www.freebsd.org/cgi/man.cgi?query=ping6&sektion=8>`_: Send ICMPv6 ECHO_REQUEST packets to network hosts +* `PING(8) <http://www.freebsd.org/cgi/man.cgi?query=ping&sektion=8>`_: Send ICMP ECHO_REQUEST packets to network hosts +* `RACOON(8) <http://www.freebsd.org/cgi/man.cgi?query=racoon&sektion=8>`_: IKE (ISAKMP/Oakley) key management daemon +* `ROUTE(8) <http://www.freebsd.org/cgi/man.cgi?query=route&sektion=8>`_: Manually manipulate the routing tables +* `SETKEY(8) <http://www.freebsd.org/cgi/man.cgi?query=setkey&sektion=8>`_: Manually manipulate the IPsec SA/SP database +* `STTY(1) <http://www.freebsd.org/cgi/man.cgi?query=stty&sektion=1>`_: Set the options for a terminal device interface +* `SYSCTL(8) <http://www.freebsd.org/cgi/man.cgi?query=sysctl&sektion=8>`_: Get or set kernel state +* `TCPDUMP(1) <http://www.freebsd.org/cgi/man.cgi?query=tcpdump&sektion=1>`_: Dump traffic on a network +* `VMSTAT(8) <http://www.freebsd.org/cgi/man.cgi?query=vmstat&sektion=8>`_: Report virtual memory statistics +* `WPA_SUPPLICANT(8) <http://www.freebsd.org/cgi/man.cgi?query=wpa_supplicant&sektion=8>`_: WPA/802.11i Supplicant for wireless network devices + +Command specific notes are listed below. + +HOSTNAME(1) + In addition to the standard options the RTEMS version of the HOSTNAME(1) + command supports the -m flag to set/get the multicast hostname of the mDNS + resolver instance. See also ``rtems_mdns_sethostname()`` and + ``rtems_mdns_gethostname()``. + +Packet Filter (PF, Firewall) +============================ + +It is possible to use PF as a firewall. See the +`FreeBSD Handbook <https://docs.freebsd.org/en/books/handbook/firewalls/#firewalls-pf>`_ +for details on the range of functions and for how to configure the firewall. + +Configuration +------------- + +The following is necessary to use PF on RTEMS: + +* You have to provide a ``/etc/pf.os`` file. The firewall can use it for passive + OS fingerprinting. If you don't want to use this feature, the file may contain + nothing except a line of comment (for example "# empty"). + +* If some filters use protocol names (like ``tcp`` or ``udp``) you have to provide a + ``/etc/protocols`` file. + +* If some filters use service names (like ``http`` or ``https``) you have to provide a + ``/etc/services`` file. + +* Create a rule file (normally ``/etc/pf.conf``). See the FreeBSD manual for the + syntax. + +* Load the rule file using the + `pfctl <http://www.freebsd.org/cgi/man.cgi?query=pfctl&sektion=8>`_ + command and enable PF. Please note that the pfctl command needs a lot of + stack. You should use at least RTEMS_MINIMUM_STACK_SIZE + 8192 Bytes of + stack. An example initialisation can look like follows: + + .. code-block:: c + + int exit_code; + char *argv[] = { + "pfctl", + "-f", + "/etc/pf.conf", + "-e", + NULL + }; + + exit_code = rtems_bsd_command_pfctl(ARGC(argv), argv); + assert(exit_code == EXIT_SUCCSESS); + +Known Restrictions +------------------ + +Currently, PF on RTEMS always uses the configuration for memory restricted +systems (on FreeBSD that means systems with less than 100 MB RAM). This is +fixed in ``pfctl_init_options()``. + +Wireless Network (WLAN) +======================= + +The LibBSD provides a basic support for WLAN. Note that currently this support +is still in an early state. The WLAN support is _not_ enabled in the default +buildset. You have to configure LibBSD with the +``--buildset=buildset/everything.ini`` to enable that feature. + +Configuration +------------- + +The following gives a rough overview over the necessary steps to connect to an +encrypted network with an RTL8188EU based WiFi dongle: + +* Reference all necessary module for your BSP. For some BSPs this is already + done in the ``nexus-devices.h``: + + .. code-block:: none + + SYSINIT_MODULE_REFERENCE(wlan_ratectl_none); + SYSINIT_MODULE_REFERENCE(wlan_sta); + SYSINIT_MODULE_REFERENCE(wlan_amrr); + SYSINIT_MODULE_REFERENCE(wlan_wep); + SYSINIT_MODULE_REFERENCE(wlan_tkip); + SYSINIT_MODULE_REFERENCE(wlan_ccmp); + SYSINIT_DRIVER_REFERENCE(rtwn_usb, uhub); + +* Create your wlan device using ifconfig: + + .. code-block:: none + + ifconfig wlan0 create wlandev rtwn0 up + +* Start a ``wpa_supplicant`` instance for that device: + + .. code-block:: none + + wpa_supplicant_fork -Dbsd -iwlan0 -c/media/mmcsd-0-0/wpa_supplicant.conf + +Note that the wpa_supplicant will only be active till the device goes down. A +workaround is to just restart it every time it exits. + +Known Restrictions +------------------ + +* The network interface (e.g. wlan0) is currently not automatically created. It + would be nice, if some service would create it as soon as for example a USB + device is connected. In FreeBSD the names are assigned via rc.conf with lines + like ``wlans_rtwn0="wlan0"``. + +* ``wpa_supplicant`` hast to be started after the device is created. It has to be + restarted every time the connection goes down. Instead of this behaviour, + there should be some service that starts and restarts ``wpa_supplicant`` + automatically if a interface is ready. Probably the dhcpcd hooks could be used + for that. + +* The current ``wpa_supplicant`` implementation is protected with a lock so it can't + be started more than one time. If multiple interface should be used, all have + to be handled by that single instance. That makes it hard to add interfaces + dynamically. ``wpa_supplicant`` should be reviewed thoroughly whether multiple + instances could be started in parallel. + +* The control interface of ``wpa_supplicant`` most likely doesn't work. The wpa_cli + application is not ported. + +IPSec +===== + +The IPSec support is optional in LibBSD. It is disabled in the default build +set. Please make sure to use a build set with ``netipsec = on``. + +Configuration +------------- + +To use IPSec the following configuration is necessary: + +.. code-block:: none + + SYSINIT_MODULE_REFERENCE(if_gif); + SYSINIT_MODULE_REFERENCE(cryptodev); + RTEMS_BSD_RC_CONF_SYSINT(rc_conf_ipsec) + RTEMS_BSD_DEFINE_NEXUS_DEVICE(cryptosoft, 0, 0, NULL); + +Alternatively, you can use the ``RTEMS_BSD_CONFIG_IPSEC`` which also includes the +rc.conf support for ipsec. It's still necessary to include a crypto device in +your config (``cryptosoft`` in the above sample). + +The necessary initialization steps for a IPSec connection are similar to the +steps on a FreeBSD-System. The example assumes the following setup: + +- RTEMS external IP: 192.168.10.1/24 +- RTEMS internal IP: 10.10.1.1/24 +- remote external IP: 192.168.10.10/24 +- remote internal IP: 172.24.0.1/24 +- shared key: "mysecretkey" + +With this the following steps are necessary: + +* Create a gif0 device: + + .. code-block:: none + + ifconfig gif0 create + +* Configure the gif0 device: + + .. code-block:: none + + ifconfig gif0 10.10.1.1 172.24.0.1 + ifconfig gif0 tunnel 192.168.10.1 192.168.10.10 + +* Add a route to the remote net via the remote IP: + + .. code-block:: none + + route add 172.24.0.0/24 172.24.0.1 + +* Create a correct rule set in ``/etc/setkey.conf``: + + .. code-block:: none + + flush; + spdflush; + spdadd 10.10.1.0/24 172.24.0.0/24 any -P out ipsec esp/tunnel/192.168.10.1-192.168.10.10/use; + spdadd 172.24.0.0/24 10.10.1.0/24 any -P in ipsec esp/tunnel/192.168.10.10-192.168.10.1/use; + +* Call ``setkey``: + + .. code-block:: none + + setkey -f /etc/setkey.conf + +* Create a correct configuration in ``/etc/racoon.conf``: + + .. code-block:: none + + path pre_shared_key "/etc/racoon_psk.txt"; + log info; + + padding # options are not to be changed + { + maximum_length 20; + randomize off; + strict_check off; + exclusive_tail off; + } + + listen # address [port] that racoon will listen on + { + isakmp 192.168.10.1[500]; + } + + remote 192.168.10.10 [500] + { + exchange_mode main; + my_identifier address 192.168.10.1; + peers_identifier address 192.168.10.10; + proposal_check obey; + proposal { + encryption_algorithm 3des; + hash_algorithm md5; + authentication_method pre_shared_key; + lifetime time 3600 sec; + dh_group 2; + } + } + + sainfo (address 10.10.1.0/24 any address 172.24.0.0/24 any) + { + pfs_group 2; + lifetime time 28800 sec; + encryption_algorithm 3des; + authentication_algorithm hmac_md5; + compression_algorithm deflate; + } + +* Create a correct configuration in ``/etc/racoon_psk.txt``: + + .. code-block:: none + + 192.168.10.10 mysecretkey + +* Start a ike-daemon (racoon): + + .. code-block:: none + + racoon -F -f /etc/racoon.conf +---- + +All commands can be called via the respective API functions. For racoon there is +a ``rtems_bsd_racoon_daemon()`` function that forks of racoon as a task. + +Alternatively, IPSec can also be configured via rc.conf entries: + +.. code-block:: none + + cloned_interfaces="gif0" + ifconfig_gif0="10.10.1.1 172.24.0.1 tunnel 192.168.10.1 192.168.10.10" + ike_enable="YES" + ike_program="racoon" + ike_flags="-F -f /etc/racoon.conf" + ike_priority="250" + + ipsec_enable="YES" + ipsec_file="/etc/setkey.conf" + +ATTENTION: It is possible that the first packets slip through the tunnel without +encryption (true for FreeBSD as well as RTEMS). You might want to set up a +firewall rule to prevent that. + +Updating RTEMS Waf Support +========================== + +If you have a working libbsd repository and new changes to the ``rtems_waf`` +submodule has been made, you will need update. A ``git status`` will indicate +there are new commits with: + +.. code-block:: none + + $ git status + [ snip output ] + modified: rtems_waf (new commits) + [ snip output ] + +To update: + +.. code-block:: none + + $ git submodule update rtems_waf + +Please make sure you use the exact command or you might find you are cloning +the whole of the FreeBSD source tree. If that happens simply git ^C and try +again. + +FreeBSD Kernel Options +====================== + +You can set FreeBSD kernel options during build configuration with the +--freebsd-option=a,b,c,... configuration command option. This is an advanced +option and should only be used if you are familiar with the internals of the +FreeBSD kernel and what these options do. Each of the comma separated options +is converted to uppercase and passed as a compiler command line define (-D). + +The options are listed in the FreeBSD +`NOTES <https://github.com/freebsd/freebsd/blob/master/sys/conf/NOTES>`_ +file. + +An example to turn on a verbose kernel boot, verbose sysinit and bus debugging +configure with: + +.. code-block:: none + + --freebsd-options=bootverbose,verbose_sysinit,bus_debug + +To enable kernel internal consistency checking use: + +.. code-block:: none + + --freebsd-options=invariants,invariant_support + +SMP Requirements +================ + +In order to support +`EPOCH(9) <https://www.freebsd.org/cgi/man.cgi?query=epoch&apropos=0&sektion=9>`_ +a scheduler with thread pinning support is required. This is the case if you +use the default scheduler configuration. EPOCH(9) is a central synchronization +mechanism of the network stack. + +Configuration for Network Tests +=============================== + +If you need some other IP configuration for the network tests that use a fixed +IP config you can copy ``config.inc`` to a location outside to the source tree and +adapt it. Then use the option ``--net-test-config=NET_CONFIG`` to pass the file to +Waf's configure command. + +.. code-block:: none + + NET_CFG_SELF_IP = 10.0.0.2 + NET_CFG_NETMASK = 255.255.0.0 + NET_CFG_PEER_IP = 10.0.0.1 + NET_CFG_GATEWAY_IP = 10.0.0.1 + +Qemu and Networking +=================== + +You can use the Qemu simulator to run a LibBSD based application and connect it +to a virtual network on your host. + +Networking with TAP Interface +----------------------------- + +One option for networking with Qemu is using a TAP interface (virtual +Ethernet). You can create a TAP interface with these commands on Linux: + +.. code-block:: none + + sudo ip tuntap add qtap mode tap user $(whoami) + sudo ip link set dev qtap up + sudo ip addr add 169.254.1.1/16 dev qtap + +You can show the interface state with the following command: + +.. code-block:: none + + $ ip addr show qtap + 27: qtap: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000 + link/ether 8e:50:a2:fb:e1:3b brd ff:ff:ff:ff:ff:ff + inet 169.254.1.1/16 scope global qtap + valid_lft forever preferred_lft forever + +You may have to assign the interface to a firewall zone. + +The Qemu command line varies by board support package, here is an example for +the arm/xilinx_zynq_a9_qemu BSP: + +.. code-block:: none + + qemu-system-arm -serial null -serial mon:stdio -nographic \ + -M xilinx-zynq-a9 -m 256M \ + -net nic,model=cadence_gem \ + -net tap,ifname=qtap,script=no,downscript=no \ + -kernel build/arm-rtems6-xilinx_zynq_a9_qemu-default/media01.exe + +Make sure that each Qemu instance uses its own MAC address to avoid an address +conflict (or otherwise use it as a test). After some seconds it will acquire a +IPv4 link-local address, for example: + +.. code-block:: none + + info: cgem0: probing for an IPv4LL address + debug: cgem0: checking for 169.254.159.156 + +You can connect to the target via telnet, for example: + +.. code-block:: none + + $ telnet 169.254.159.156 + Trying 169.254.159.156... + Connected to 169.254.159.156. + Escape character is '^]'. + + RTEMS Shell on /dev/pty4. Use 'help' to list commands. + TLNT [/] # + +Virtual Distributed Ethernet (VDE) +---------------------------------- + +You can use a Virtual Distributed Ethernet (VDE) to create a network +environment that does not need to run Qemu as root or needing to drop the tap's +privileges to run Qemu. + +VDE creates a software switch with a default of 32 ports which means a single +kernel tap can support 32 Qemu networking sessions. + +To use VDE you need to build Qemu with VDE support. The RSB can detect a VDE +plug and enable VDE support in Qemu when building. On FreeBSD install the VDE +support with: + +.. code-block:: none + + pkg install -u vde2 + +Build Qemu with the RSB. + +To network create a bridge and a tap. The network is 10.10.1.0/24. On FreeBSD +add to your ``/etc/rc.conf``: + +.. code-block:: none + + cloned_interfaces="bridge0 tap0" + autobridge_interfaces="bridge0" + autobridge_bridge0="re0 tap0" + ifconfig_re0="up" + ifconfig_tap0="up" + ifconfig_bridge0="inet 10.1.1.2 netmask 255.255.255.0" + defaultrouter="10.10.1.1" + +Start the VDE switch as root: + +.. code-block:: none + + sysctl net.link.tap.user_open=1 + sysctl net.link.tap.up_on_open=1 + vde_switch -d -s /tmp/vde1 -M /tmp/mgmt1 -tap tap0 -m 660 --mgmtmode 660 + chmod 660 /dev/tap0 + +You can connect to the VDE switch's management channel using: + +.. code-block:: none + + vdeterm /tmp/mgmt1 + +To run Qemu: + +.. code-block:: none + + qemu-system-arm -serial null -serial mon:stdio -nographic \ + -M xilinx-zynq-a9 -m 256M \ + -net nic,model=cadence_gem \ + -net vde,id=vde0,sock=/tmp/vde1 + -kernel build/arm-rtems6-xilinx_zynq_a9_qemu-default/rcconf02.exe @@ -883,7 +883,7 @@ class Module(object): ] return files - def addPlainTextFile(self, files): + def addPlainTextFiles(self, files): self.files += self.addFiles('user', files, FreeBSDPathComposer(), Converter(), Converter(), assertNothing) diff --git a/buildset/default.ini b/buildset/default.ini index 472c535d..88379a96 100644 --- a/buildset/default.ini +++ b/buildset/default.ini @@ -43,6 +43,7 @@ dhcpcd = on dpaa = on evdev = on fdt = on +if_mve = on imx = on in_cksum = on mdnsresponder = on diff --git a/dhcpcd/dhcpcd.c b/dhcpcd/dhcpcd.c index b7839d49..93620727 100644 --- a/dhcpcd/dhcpcd.c +++ b/dhcpcd/dhcpcd.c @@ -1155,7 +1155,7 @@ dhcpcd_task(rtems_task_argument arg) (*config->destroy)(config, exit_code); } - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } rtems_status_code diff --git a/freebsd-org b/freebsd-org -Subproject 6b0307a0a5184339393f555d5d424190d8a8277 +Subproject 5d85e12f44ccb0e5728344a002c108ddc105e03 diff --git a/freebsd/contrib/tcpdump/rtems-bsd-tcpdump-data.h b/freebsd/contrib/tcpdump/rtems-bsd-tcpdump-data.h index d021ae99..2c8ff3b8 100644 --- a/freebsd/contrib/tcpdump/rtems-bsd-tcpdump-data.h +++ b/freebsd/contrib/tcpdump/rtems-bsd-tcpdump-data.h @@ -139,7 +139,7 @@ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_tcpdump, extern int nd_smi_module_loaded); /* print-sll.c */ /* print-slow.c */ /* print-smb.c */ -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_tcpdump, extern u_char const *startbuf); +RTEMS_LINKER_RWSET_CONTENT(bsd_prog_tcpdump, extern unsigned char const *startbuf); /* print-smtp.c */ /* print-snmp.c */ /* print-stp.c */ diff --git a/freebsd/contrib/tcpdump/tcpdump.c b/freebsd/contrib/tcpdump/tcpdump.c index 3b68ed51..24c6a29c 100644 --- a/freebsd/contrib/tcpdump/tcpdump.c +++ b/freebsd/contrib/tcpdump/tcpdump.c @@ -143,6 +143,7 @@ The Regents of the University of California. All rights reserved.\n"; #include <sys/sysctl.h> #include <machine/rtems-bsd-commands.h> #include <assert.h> +#include <sched.h> #include <rtems.h> #include <rtems/linkersets.h> #define setpriority(a, b, c) @@ -210,8 +211,10 @@ cap_channel_t *capdns; static void error(FORMAT_STRING(const char *), ...) NORETURN PRINTFLIKE(1, 2); static void warning(FORMAT_STRING(const char *), ...) PRINTFLIKE(1, 2); static void exit_tcpdump(int) NORETURN; +#ifndef __rtems__ static RETSIGTYPE cleanup(int); static RETSIGTYPE child_cleanup(int); +#endif /* __rtems__ */ static void print_version(void); static void print_usage(void); static void show_tstamp_types_and_exit(pcap_t *, const char *device) NORETURN; @@ -223,6 +226,7 @@ static void show_devices_and_exit (void) NORETURN; static void print_packet(u_char *, const struct pcap_pkthdr *, const u_char *); static void dump_packet_and_trunc(u_char *, const struct pcap_pkthdr *, const u_char *); static void dump_packet(u_char *, const struct pcap_pkthdr *, const u_char *); +#ifndef __rtems__ static void droproot(const char *, const char *); #ifdef SIGNAL_REQ_INFO @@ -236,6 +240,7 @@ RETSIGTYPE requestinfo(int); #elif defined(HAVE_ALARM) static void verbose_stats_dump(int sig); #endif +#endif /* __rtems__ */ static void info(int); static u_int packets_captured; @@ -627,6 +632,7 @@ static const struct option longopts[] = { { NULL, 0, NULL, 0 } }; +#ifndef __rtems__ #ifndef _WIN32 /* Drop root privileges and chroot if necessary */ static void @@ -659,7 +665,6 @@ droproot(const char *username, const char *chroot_dir) } } #else -#ifndef __rtems__ if (initgroups(pw->pw_name, pw->pw_gid) != 0 || setgid(pw->pw_gid) != 0 || setuid(pw->pw_uid) != 0) { fprintf(stderr, "%s: Couldn't change to '%.32s' uid=%lu gid=%lu: %s\n", @@ -672,7 +677,6 @@ droproot(const char *username, const char *chroot_dir) else { fprintf(stderr, "dropped privs to %s\n", username); } -#endif /* __rtems__ */ #endif /* HAVE_LIBCAP_NG */ } else { @@ -694,6 +698,7 @@ droproot(const char *username, const char *chroot_dir) } #endif /* _WIN32 */ +#endif /* __rtems__ */ static int getWflagChars(int x) @@ -1219,26 +1224,22 @@ typedef struct { FILE *in; pcap_t *pd; rtems_id master; + bool terminate; } pcap_loop_context; static void pcap_loop_monitor(rtems_task_argument arg) { - pcap_loop_context *ctx; + const pcap_loop_context *ctx; FILE *in; pcap_t *pd; - rtems_id master; rtems_status_code sc; - ctx = (pcap_loop_context *)arg; + ctx = (const pcap_loop_context *)arg; in = ctx->in; pd = ctx->pd; - master = ctx->master; - - sc = rtems_event_transient_send(master); - assert(sc == RTEMS_SUCCESSFUL); - while (true) { + while (!ctx->terminate) { int c; c = fgetc(in); @@ -1247,19 +1248,22 @@ pcap_loop_monitor(rtems_task_argument arg) pcap_breakloop(pd); break; } + + sched_yield(); } - rtems_task_delete(RTEMS_SELF); - assert(0); + sc = rtems_event_transient_send(ctx->master); + assert(sc == RTEMS_SUCCESSFUL); + + rtems_task_exit(); } -static int -pcap_loop_wrapper(pcap_t *pd, int cnt, pcap_handler cb, u_char *ud) +static void +pcap_create_loop_monitor(pcap_loop_context *ctx, pcap_t *pd) { rtems_status_code sc; rtems_task_priority priority; rtems_id id; - pcap_loop_context ctx; sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &priority); @@ -1269,27 +1273,38 @@ pcap_loop_wrapper(pcap_t *pd, int cnt, pcap_handler cb, u_char *ud) RTEMS_MINIMUM_STACK_SIZE, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &id); if (sc != RTEMS_SUCCESSFUL) { - fprintf(stderr, "tcpdump: cannot create helper thread: %s\n", + error("cannot create pcap loop monitor thread: %s\n", rtems_status_text(sc)); - return (-1); } fprintf(stdout, "tcpdump: press <ENTER> or 'q' or 'Q' to quit\n"); - ctx.in = stdin; - ctx.pd = pd; - ctx.master = rtems_task_self(); + ctx->in = stdin; + ctx->pd = pd; + ctx->master = rtems_task_self(); + ctx->terminate = false; sc = rtems_task_start(id, pcap_loop_monitor, - (rtems_task_argument)&ctx); + (rtems_task_argument)ctx); assert(sc == RTEMS_SUCCESSFUL); +} + +static void +pcap_terminate_loop_monitor(pcap_loop_context *ctx) +{ + rtems_status_code sc; + + ctx->terminate = true; sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT); assert(sc == RTEMS_SUCCESSFUL); - - return (pcap_loop(pd, cnt, cb, ud)); } -#define pcap_loop(pd, cnt, cb, ud) pcap_loop_wrapper(pd, cnt, cb, ud) +static void +destroy_pcap_dumper(void *arg) +{ + + pcap_dump_close(arg); +} #endif /* __rtems__ */ int #ifndef __rtems__ @@ -1306,15 +1321,19 @@ main(int argc, char **argv) int dlt; const char *dlt_name; struct bpf_program fcode; +#ifndef __rtems__ #ifndef _WIN32 RETSIGTYPE (*oldhandler)(int); #endif +#endif /* __rtems__ */ struct dump_info dumpinfo; u_char *pcap_userdata; char ebuf[PCAP_ERRBUF_SIZE]; char VFileLine[PATH_MAX + 1]; +#ifndef __rtems__ char *username = NULL; char *chroot_dir = NULL; +#endif /* __rtems__ */ char *ret = NULL; char *end; #ifdef HAVE_PCAP_FINDALLDEVS @@ -1686,9 +1705,11 @@ main(int argc, char **argv) zflag = optarg; break; +#ifndef __rtems__ case 'Z': username = optarg; break; +#endif /* __rtems__ */ case '#': ndo->ndo_packet_number = 1; @@ -1985,6 +2006,7 @@ main(int argc, char **argv) init_print(ndo, localnet, netmask, timezone_offset); +#ifndef __rtems__ #ifndef _WIN32 (void)setsignal(SIGPIPE, cleanup); (void)setsignal(SIGTERM, cleanup); @@ -2052,6 +2074,7 @@ main(int argc, char **argv) } #endif /* _WIN32 */ +#endif /* __rtems__ */ if (pcap_setfilter(pd, &fcode) < 0) error("%s", pcap_geterr(pd)); @@ -2146,6 +2169,12 @@ main(int argc, char **argv) if (Uflag) pcap_dump_flush(p); #endif +#ifdef __rtems__ + if (rtems_bsd_program_add_destructor(destroy_pcap_dumper, p) == + NULL) { + error("cannot add destructor"); + } +#endif /* __rtems__ */ } else { dlt = pcap_datalink(pd); ndo->ndo_if_printer = get_if_printer(ndo, dlt); @@ -2153,6 +2182,7 @@ main(int argc, char **argv) pcap_userdata = (u_char *)ndo; } +#ifndef __rtems__ #ifdef SIGNAL_REQ_INFO /* * We can't get statistics when reading from a file rather @@ -2177,6 +2207,7 @@ main(int argc, char **argv) alarm(1); #endif } +#endif /* __rtems__ */ if (RFileName == NULL) { /* @@ -2219,7 +2250,19 @@ main(int argc, char **argv) #endif /* HAVE_CAPSICUM */ do { +#ifdef __rtems__ + pcap_loop_context ctx; + + if (RFileName == NULL) { + pcap_create_loop_monitor(&ctx, pd); + } +#endif /* __rtems__ */ status = pcap_loop(pd, cnt, callback, pcap_userdata); +#ifdef __rtems__ + if (RFileName == NULL) { + pcap_terminate_loop_monitor(&ctx); + } +#endif /* __rtems__ */ if (WFileName == NULL) { /* * We're printing packets. Flush the printed output, @@ -2338,6 +2381,7 @@ main(int argc, char **argv) exit_tcpdump(status == -1 ? 1 : 0); } +#ifndef __rtems__ /* make a clean exit on interrupts */ static RETSIGTYPE cleanup(int signo _U_) @@ -2390,6 +2434,7 @@ child_cleanup(int signo _U_) wait(NULL); } #endif /* HAVE_FORK && HAVE_VFORK */ +#endif /* __rtems__ */ static void info(register int verbose) @@ -2750,6 +2795,7 @@ print_packet(u_char *user, const struct pcap_pkthdr *h, const u_char *sp) char Wpcap_version[]="3.1"; #endif +#ifndef __rtems__ #ifdef SIGNAL_REQ_INFO RETSIGTYPE requestinfo(int signo _U_) { @@ -2778,6 +2824,7 @@ static void verbose_stats_dump(int sig _U_) alarm(1); } #endif +#endif /* __rtems__ */ USES_APPLE_DEPRECATED_API static void diff --git a/freebsd/contrib/wpa/src/utils/eloop.c b/freebsd/contrib/wpa/src/utils/eloop.c index 41de0f79..09493b89 100644 --- a/freebsd/contrib/wpa/src/utils/eloop.c +++ b/freebsd/contrib/wpa/src/utils/eloop.c @@ -16,6 +16,9 @@ #include "list.h" #include "eloop.h" +#ifdef __rtems__ +#define CONFIG_ELOOP_KQUEUE +#endif /* __rtems__ */ #if defined(CONFIG_ELOOP_POLL) && defined(CONFIG_ELOOP_EPOLL) #error Do not define both of poll and epoll #endif @@ -955,6 +958,7 @@ int eloop_replenish_timeout(unsigned int req_secs, unsigned int req_usecs, } +#ifndef __rtems__ #ifndef CONFIG_NATIVE_WINDOWS static void eloop_handle_alarm(int sig) { @@ -966,8 +970,10 @@ static void eloop_handle_alarm(int sig) exit(1); } #endif /* CONFIG_NATIVE_WINDOWS */ +#endif /* __rtems__ */ +#ifndef __rtems__ static void eloop_handle_signal(int sig) { int i; @@ -990,6 +996,7 @@ static void eloop_handle_signal(int sig) } } } +#endif /* __rtems__ */ static void eloop_process_pending_signals(void) @@ -1001,9 +1008,11 @@ static void eloop_process_pending_signals(void) eloop.signaled = 0; if (eloop.pending_terminate) { +#ifndef __rtems__ #ifndef CONFIG_NATIVE_WINDOWS alarm(0); #endif /* CONFIG_NATIVE_WINDOWS */ +#endif /* __rtems__ */ eloop.pending_terminate = 0; } @@ -1017,6 +1026,7 @@ static void eloop_process_pending_signals(void) } +#ifndef __rtems__ int eloop_register_signal(int sig, eloop_signal_handler handler, void *user_data) { @@ -1037,26 +1047,35 @@ int eloop_register_signal(int sig, eloop_signal_handler handler, return 0; } +#endif /* __rtems__ */ int eloop_register_signal_terminate(eloop_signal_handler handler, void *user_data) { +#ifndef __rtems__ int ret = eloop_register_signal(SIGINT, handler, user_data); if (ret == 0) ret = eloop_register_signal(SIGTERM, handler, user_data); return ret; +#else /* __rtems__ */ + return 0; +#endif /* __rtems__ */ } int eloop_register_signal_reconfig(eloop_signal_handler handler, void *user_data) { +#ifndef __rtems__ #ifdef CONFIG_NATIVE_WINDOWS return 0; #else /* CONFIG_NATIVE_WINDOWS */ return eloop_register_signal(SIGHUP, handler, user_data); #endif /* CONFIG_NATIVE_WINDOWS */ +#else /* __rtems__ */ + return 0; +#endif /* __rtems__ */ } diff --git a/freebsd/crypto/openssl/apps/ocsp.c b/freebsd/crypto/openssl/apps/ocsp.c index 7ff6a20c..dba8e6a9 100644 --- a/freebsd/crypto/openssl/apps/ocsp.c +++ b/freebsd/crypto/openssl/apps/ocsp.c @@ -58,7 +58,7 @@ NON_EMPTY_TRANSLATION_UNIT #endif # if !defined(NO_FORK) && !defined(OPENSSL_NO_SOCK) \ - && !defined(OPENSSL_NO_POSIX_IO) + && !defined(OPENSSL_NO_POSIX_IO) && !defined(__rtems__) # define OCSP_DAEMON # include <sys/types.h> # include <sys/wait.h> diff --git a/freebsd/crypto/openssl/apps/openssl.c b/freebsd/crypto/openssl/apps/openssl.c index 31ec58d8..cdbb262b 100644 --- a/freebsd/crypto/openssl/apps/openssl.c +++ b/freebsd/crypto/openssl/apps/openssl.c @@ -89,9 +89,11 @@ static void calculate_columns(DISPLAY_COLUMNS *dc) static int apps_startup(void) { +#ifndef __rtems__ #ifdef SIGPIPE signal(SIGPIPE, SIG_IGN); #endif +#endif /* __rtems__ */ /* Set non-default library initialisation settings */ if (!OPENSSL_init_ssl(OPENSSL_INIT_ENGINE_ALL_BUILTIN diff --git a/freebsd/crypto/openssl/apps/rtems-bsd-openssl-ocsp-data.h b/freebsd/crypto/openssl/apps/rtems-bsd-openssl-ocsp-data.h index 2c2b926e..90043fb0 100644 --- a/freebsd/crypto/openssl/apps/rtems-bsd-openssl-ocsp-data.h +++ b/freebsd/crypto/openssl/apps/rtems-bsd-openssl-ocsp-data.h @@ -3,6 +3,4 @@ #include "rtems-bsd-openssl-data.h" /* ocsp.c */ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_openssl, static char *prog); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_openssl, static int acfd); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_openssl, static int multi); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_openssl, static int termsig); diff --git a/freebsd/crypto/openssl/crypto/ui/ui_openssl.c b/freebsd/crypto/openssl/crypto/ui/ui_openssl.c index 03596eee..6a040553 100644 --- a/freebsd/crypto/openssl/crypto/ui/ui_openssl.c +++ b/freebsd/crypto/openssl/crypto/ui/ui_openssl.c @@ -158,11 +158,13 @@ struct IOSB { # endif /* Define globals. They are protected by a lock */ +#ifndef __rtems__ # ifdef SIGACTION static struct sigaction savsig[NX509_SIG]; # else static void (*savsig[NX509_SIG]) (int); # endif +#endif /* __rtems__ */ # ifdef OPENSSL_SYS_VMS static struct IOSB iosb; @@ -185,7 +187,9 @@ static int is_a_tty; /* Declare static functions */ # if !defined(OPENSSL_SYS_WINCE) static int read_till_nl(FILE *); +#ifndef __rtems__ static void recsig(int); +#endif /* __rtems__ */ static void pushsig(void); static void popsig(void); # endif @@ -588,6 +592,7 @@ static int close_console(UI *ui) /* Internal functions to handle signals and act on them */ static void pushsig(void) { +#ifndef __rtems__ # ifndef OPENSSL_SYS_WIN32 int i; # endif @@ -630,10 +635,12 @@ static void pushsig(void) # ifdef SIGWINCH signal(SIGWINCH, SIG_DFL); # endif +#endif /* __rtems__ */ } static void popsig(void) { +#ifndef __rtems__ # ifdef OPENSSL_SYS_WIN32 signal(SIGABRT, savsig[SIGABRT]); signal(SIGFPE, savsig[SIGFPE]); @@ -659,12 +666,15 @@ static void popsig(void) # endif } # endif +#endif /* __rtems__ */ } +#ifndef __rtems__ static void recsig(int i) { intr_signal = i; } +#endif /* __rtems__ */ # endif /* Internal functions specific for Windows */ diff --git a/freebsd/lib/libc/include/libc_private.h b/freebsd/lib/libc/include/libc_private.h index fb3a4bb2..4a699e93 100644 --- a/freebsd/lib/libc/include/libc_private.h +++ b/freebsd/lib/libc/include/libc_private.h @@ -36,8 +36,12 @@ #ifndef _LIBC_PRIVATE_H_ #define _LIBC_PRIVATE_H_ +#ifndef __rtems__ #include <sys/_types.h> #include <sys/_pthreadtypes.h> +#else /* __rtems__ */ +#include <sys/types.h> +#endif /* __rtems__ */ /* * This global flag is non-zero when a process has created one diff --git a/freebsd/lib/libc/stdio/local.h b/freebsd/lib/libc/stdio/local.h index bed0b232..5ec1d3f5 100644 --- a/freebsd/lib/libc/stdio/local.h +++ b/freebsd/lib/libc/stdio/local.h @@ -78,13 +78,15 @@ extern int __srefill(FILE *); */ extern int __srefill_r(struct _reent *,FILE *); -#define __srefill(_x) __srefill_r(__getreent(), _x) +#define __srefill(_x) __srefill_r(_REENT, _x) #endif /* __rtems__ */ extern int __sread(void *, char *, int); extern int __swrite(void *, char const *, int); extern fpos_t __sseek(void *, fpos_t, int); extern int __sclose(void *); +#ifndef __rtems__ extern void __sinit(void); +#endif /* __rtems__ */ extern void _cleanup(void); extern void __smakebuf(FILE *); extern int __swhatbuf(FILE *, size_t *, int *); diff --git a/freebsd/sbin/pfctl/pfctl_altq.c b/freebsd/sbin/pfctl/pfctl_altq.c index 7cf72b43..05c7da22 100644 --- a/freebsd/sbin/pfctl/pfctl_altq.c +++ b/freebsd/sbin/pfctl/pfctl_altq.c @@ -31,6 +31,7 @@ __FBSDID("$FreeBSD$"); #define PFIOC_USE_LATEST +#define _WANT_FREEBSD_BITSET #include <sys/types.h> #include <sys/bitset.h> diff --git a/freebsd/sbin/pfctl/pfctl_parser.c b/freebsd/sbin/pfctl/pfctl_parser.c index f339d972..9d752d26 100644 --- a/freebsd/sbin/pfctl/pfctl_parser.c +++ b/freebsd/sbin/pfctl/pfctl_parser.c @@ -1351,10 +1351,17 @@ get_socket_domain(void) return (sdom); } +#ifdef __rtems__ +static int pfctl_s = -1; +#endif /* __rtems__ */ int get_query_socket(void) { +#ifndef __rtems__ static int s = -1; +#else /* __rtems__ */ +#define s pfctl_s +#endif /* __rtems__ */ if (s == -1) { if ((s = socket(get_socket_domain(), SOCK_DGRAM, 0)) == -1) @@ -1362,6 +1369,9 @@ get_query_socket(void) } return (s); +#ifdef __rtems__ +#undef s +#endif /* __rtems__ */ } /* diff --git a/freebsd/sbin/pfctl/pfctl_parser.h b/freebsd/sbin/pfctl/pfctl_parser.h index aa6d98d7..7d92b1db 100644 --- a/freebsd/sbin/pfctl/pfctl_parser.h +++ b/freebsd/sbin/pfctl/pfctl_parser.h @@ -178,7 +178,7 @@ struct node_queue_opt { }; #define QPRI_BITSET_SIZE 256 -BITSET_DEFINE(qpri_bitset, QPRI_BITSET_SIZE); +__BITSET_DEFINE(qpri_bitset, QPRI_BITSET_SIZE); LIST_HEAD(gen_sc, segment); struct pfctl_altq { diff --git a/freebsd/sbin/pfctl/rtems-bsd-pfctl-namespace.h b/freebsd/sbin/pfctl/rtems-bsd-pfctl-namespace.h index 1712b9e6..2f7fb828 100644 --- a/freebsd/sbin/pfctl/rtems-bsd-pfctl-namespace.h +++ b/freebsd/sbin/pfctl/rtems-bsd-pfctl-namespace.h @@ -35,6 +35,7 @@ #define parseport _bsd_pfctl_parseport #define pfctl_cmdline_symset _bsd_pfctl_pfctl_cmdline_symset #define pfctl_load_anchors _bsd_pfctl_pfctl_load_anchors +#define pfctl_s _bsd_pfctl_s #define pfctlychar _bsd_pfctl_pfctlychar #define pfctlydebug _bsd_pfctl_pfctlydebug #define pfctlyerrflag _bsd_pfctl_pfctlyerrflag diff --git a/freebsd/sbin/pfctl/rtems-bsd-pfctl-pfctl_parser-data.h b/freebsd/sbin/pfctl/rtems-bsd-pfctl-pfctl_parser-data.h index bb8832ac..9bbec579 100644 --- a/freebsd/sbin/pfctl/rtems-bsd-pfctl-pfctl_parser-data.h +++ b/freebsd/sbin/pfctl/rtems-bsd-pfctl-pfctl_parser-data.h @@ -3,3 +3,4 @@ #include "rtems-bsd-pfctl-data.h" /* pfctl_parser.c */ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_pfctl, static struct node_host *iftab); +RTEMS_LINKER_RWSET_CONTENT(bsd_prog_pfctl, static int pfctl_s); diff --git a/freebsd/sbin/ping/ping.c b/freebsd/sbin/ping/ping.c index e31941b8..fae24e53 100644 --- a/freebsd/sbin/ping/ping.c +++ b/freebsd/sbin/ping/ping.c @@ -307,7 +307,9 @@ main(int argc, char *const *argv) #endif struct sockaddr_in *to; double t; +#ifndef __rtems__ u_long alarmtimeout; +#endif /* __rtems__ */ long ltmp; int almost_done, ch, df, hold, i, icmp_len, mib[4], preload; int ssend_errno, srecv_errno, tos, ttl; @@ -370,7 +372,9 @@ main(int argc, char *const *argv) err(EX_OSERR, "srecv socket"); } +#ifndef __rtems__ alarmtimeout = df = preload = tos = 0; +#endif /* __rtems__ */ outpack = outpackhdr + sizeof(struct ip); while ((ch = getopt(argc, argv, @@ -572,6 +576,7 @@ main(int argc, char *const *argv) mttl = ltmp; options |= F_MTTL; break; +#ifndef __rtems__ case 't': alarmtimeout = strtoul(optarg, &ep, 0); if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX)) @@ -582,6 +587,7 @@ main(int argc, char *const *argv) optarg, MAXALARM); alarm((int)alarmtimeout); break; +#endif /* __rtems__ */ case 'v': options |= F_VERBOSE; break; @@ -1518,8 +1524,10 @@ static void finish(void) { +#ifndef __rtems__ (void)signal(SIGINT, SIG_IGN); (void)signal(SIGALRM, SIG_IGN); +#endif /* __rtems__ */ (void)putchar('\n'); (void)fflush(stdout); (void)printf("--- %s ping statistics ---\n", hostname); diff --git a/freebsd/sbin/ping6/ping6.c b/freebsd/sbin/ping6/ping6.c index 2d6e5ade..921797d0 100644 --- a/freebsd/sbin/ping6/ping6.c +++ b/freebsd/sbin/ping6/ping6.c @@ -287,7 +287,9 @@ static void fill(char *, char *); static int get_hoplim(struct msghdr *); static int get_pathmtu(struct msghdr *); static struct in6_pktinfo *get_rcvpktinfo(struct msghdr *); +#ifndef __rtems__ static void onsignal(int); +#endif /* __rtems__ */ static void onint(int); static size_t pingerlen(void); static int pinger(void); @@ -347,7 +349,9 @@ main(int argc, char *argv[]) struct timespec last, intvl; struct sockaddr_in6 from, *sin6; struct addrinfo hints, *res; +#ifndef __rtems__ struct sigaction si_sa; +#endif /* __rtems__ */ int cc, i; int almost_done, ch, hold, packlen, preload, optval, error; int nig_oldmcprefix = -1; @@ -374,7 +378,9 @@ main(int argc, char *argv[]) char *policy_out = NULL; #endif double t; +#ifndef __rtems__ u_long alarmtimeout; +#endif /* __rtems__ */ size_t rthlen; #ifdef IPV6_USE_MIN_MTU int mflag = 0; @@ -400,7 +406,9 @@ main(int argc, char *argv[]) intvl.tv_sec = interval / 1000; intvl.tv_nsec = interval % 1000 * 1000000; +#ifndef __rtems__ alarmtimeout = preload = 0; +#endif /* __rtems__ */ datap = &outpack[ICMP6ECHOLEN + ICMP6ECHOTMLEN]; capdns = capdns_setup(); #ifndef IPSEC @@ -628,6 +636,7 @@ main(int argc, char *argv[]) options |= F_WAITTIME; waittime = (int)t; break; +#ifndef __rtems__ case 't': alarmtimeout = strtoul(optarg, &e, 0); if ((alarmtimeout < 1) || (alarmtimeout == ULONG_MAX)) @@ -638,6 +647,7 @@ main(int argc, char *argv[]) optarg, MAXALARM); alarm((int)alarmtimeout); break; +#endif /* __rtems__ */ #ifdef IPSEC #ifdef IPSEC_POLICY_IPSEC case 'P': @@ -1174,6 +1184,7 @@ main(int argc, char *argv[]) } clock_gettime(CLOCK_MONOTONIC, &last); +#ifndef __rtems__ sigemptyset(&si_sa.sa_mask); si_sa.sa_flags = 0; si_sa.sa_handler = onsignal; @@ -1189,6 +1200,7 @@ main(int argc, char *argv[]) if (sigaction(SIGALRM, &si_sa, 0) == -1) err(EX_OSERR, "sigaction SIGALRM"); } +#endif /* __rtems__ */ if (options & F_FLOOD) { intvl.tv_sec = 0; intvl.tv_nsec = 10000000; @@ -1310,11 +1322,13 @@ main(int argc, char *argv[]) } } } +#ifndef __rtems__ sigemptyset(&si_sa.sa_mask); si_sa.sa_flags = 0; si_sa.sa_handler = SIG_IGN; sigaction(SIGINT, &si_sa, 0); sigaction(SIGALRM, &si_sa, 0); +#endif /* __rtems__ */ summary(); if(packet != NULL) @@ -1323,6 +1337,7 @@ main(int argc, char *argv[]) exit(nreceived == 0 ? 2 : 0); } +#ifndef __rtems__ static void onsignal(int sig) { @@ -1339,6 +1354,7 @@ onsignal(int sig) #endif } } +#endif /* __rtems__ */ /* * pinger -- diff --git a/freebsd/sys/arm/freescale/imx/imx6_ccm.c b/freebsd/sys/arm/freescale/imx/imx6_ccm.c index 78bbd5c1..7fdb69b8 100644 --- a/freebsd/sys/arm/freescale/imx/imx6_ccm.c +++ b/freebsd/sys/arm/freescale/imx/imx6_ccm.c @@ -368,6 +368,7 @@ imx6_ccm_sata_enable(void) return 0; } +#ifndef __rtems__ uint32_t imx_ccm_ecspi_hz(void) { @@ -408,6 +409,7 @@ imx_ccm_ahb_hz(void) { return (132000000); } +#endif /* __rtems__ */ void imx_ccm_ipu_enable(int ipu) diff --git a/freebsd/sys/arm64/include/machine/in_cksum.h b/freebsd/sys/arm64/include/machine/in_cksum.h index d55b838b..522ba005 100644 --- a/freebsd/sys/arm64/include/machine/in_cksum.h +++ b/freebsd/sys/arm64/include/machine/in_cksum.h @@ -1,6 +1,4 @@ /*- - * SPDX-License-Identifier: BSD-3-Clause - * * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * @@ -31,7 +29,6 @@ * from tahoe: in_cksum.c 1.2 86/01/05 * from: @(#)in_cksum.c 1.3 (Berkeley) 1/19/91 * from: Id: in_cksum.c,v 1.8 1995/12/03 18:35:19 bde Exp - * from: src/sys/alpha/include/in_cksum.h,v 1.7 2005/03/02 21:33:20 joerg * $FreeBSD$ */ @@ -40,44 +37,16 @@ #include <sys/cdefs.h> +#ifdef _KERNEL #define in_cksum(m, len) in_cksum_skip(m, len, 0) - +u_short in_addword(u_short sum, u_short b); +u_short in_cksum_skip(struct mbuf *m, int len, int skip); +u_int do_cksum(const void *, int); #if defined(IPVERSION) && (IPVERSION == 4) -/* - * It it useful to have an Internet checksum routine which is inlineable - * and optimized specifically for the task of computing IP header checksums - * in the normal case (where there are no options and the header length is - * therefore always exactly five 32-bit words. - */ -#ifdef __CC_SUPPORTS___INLINE - -static __inline void -in_cksum_update(struct ip *ip) -{ - int __tmpsum; - __tmpsum = (int)ntohs(ip->ip_sum) + 256; - ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); -} - -#else - -#define in_cksum_update(ip) \ - do { \ - int __tmpsum; \ - __tmpsum = (int)ntohs(ip->ip_sum) + 256; \ - ip->ip_sum = htons(__tmpsum + (__tmpsum >> 16)); \ - } while(0) - -#endif +u_int in_cksum_hdr(const struct ip *); #endif -#ifdef _KERNEL -#if defined(IPVERSION) && (IPVERSION == 4) -u_int in_cksum_hdr(const struct ip *ip); -#endif -u_short in_addword(u_short sum, u_short b); u_short in_pseudo(u_int sum, u_int b, u_int c); -u_short in_cksum_skip(struct mbuf *m, int len, int skip); -#endif +#endif /* _KERNEL */ #endif /* _MACHINE_IN_CKSUM_H_ */ diff --git a/freebsd/sys/dev/ffec/if_ffec.c b/freebsd/sys/dev/ffec/if_ffec.c index 47c0f770..316e077c 100644 --- a/freebsd/sys/dev/ffec/if_ffec.c +++ b/freebsd/sys/dev/ffec/if_ffec.c @@ -139,9 +139,17 @@ static struct ofw_compat_data compat_data[] = { /* * Driver data and defines. The descriptor counts must be a power of two. */ +#ifndef __rtems__ #define RX_DESC_COUNT 512 +#else /* __rtems__ */ +#define RX_DESC_COUNT 64 +#endif /* __rtems__ */ #define RX_DESC_SIZE (sizeof(struct ffec_hwdesc) * RX_DESC_COUNT) +#ifndef __rtems__ #define TX_DESC_COUNT 512 +#else /* __rtems__ */ +#define TX_DESC_COUNT 64 +#endif /* __rtems__ */ #define TX_DESC_SIZE (sizeof(struct ffec_hwdesc) * TX_DESC_COUNT) #define TX_MAX_DMA_SEGS 8 @@ -201,6 +209,11 @@ struct ffec_softc { int rx_ic_count; /* RW, valid values 0..255 */ int tx_ic_time; int tx_ic_count; +#ifdef __rtems__ + + device_t mdio_device; + struct mtx mdio_mtx; +#endif /* __rtems__ */ }; static struct resource_spec irq_res_spec[MAX_IRQ_COUNT + 1] = { @@ -368,6 +381,13 @@ ffec_miibus_readreg(device_t dev, int phy, int reg) int val; sc = device_get_softc(dev); +#ifdef __rtems__ + if (sc->mdio_device) { + return (MIIBUS_READREG(sc->mdio_device, phy, reg)); + } + + mtx_lock(&sc->mdio_mtx); +#endif /* __rtems__ */ WR4(sc, FEC_IER_REG, FEC_IER_MII); @@ -378,11 +398,17 @@ ffec_miibus_readreg(device_t dev, int phy, int reg) if (!ffec_miibus_iowait(sc)) { device_printf(dev, "timeout waiting for mii read\n"); +#ifdef __rtems__ + mtx_unlock(&sc->mdio_mtx); +#endif /* __rtems__ */ return (-1); /* All-ones is a symptom of bad mdio. */ } val = RD4(sc, FEC_MMFR_REG) & FEC_MMFR_DATA_MASK; +#ifdef __rtems__ + mtx_unlock(&sc->mdio_mtx); +#endif /* __rtems__ */ return (val); } @@ -392,6 +418,13 @@ ffec_miibus_writereg(device_t dev, int phy, int reg, int val) struct ffec_softc *sc; sc = device_get_softc(dev); +#ifdef __rtems__ + if (sc->mdio_device) { + return (MIIBUS_WRITEREG(sc->mdio_device, phy, reg, val)); + } + + mtx_lock(&sc->mdio_mtx); +#endif /* __rtems__ */ WR4(sc, FEC_IER_REG, FEC_IER_MII); @@ -403,9 +436,15 @@ ffec_miibus_writereg(device_t dev, int phy, int reg, int val) if (!ffec_miibus_iowait(sc)) { device_printf(dev, "timeout waiting for mii write\n"); +#ifdef __rtems__ + mtx_unlock(&sc->mdio_mtx); +#endif /* __rtems__ */ return (-1); } +#ifdef __rtems__ + mtx_unlock(&sc->mdio_mtx); +#endif /* __rtems__ */ return (0); } @@ -1569,6 +1608,9 @@ ffec_detach(device_t dev) if (sc->mem_res != NULL) bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res); +#ifdef __rtems__ + mtx_destroy(&sc->mtx); +#endif /* __rtems__ */ FFEC_LOCK_DESTROY(sc); return (0); } @@ -1718,6 +1760,80 @@ ffec_set_txic(struct ffec_softc *sc) ffec_set_ic(sc, FEC_TXIC0_REG, sc->tx_ic_count, sc->tx_ic_time); } +#ifdef __rtems__ +int +ffec_get_phy_information( + struct ffec_softc *sc, + phandle_t node, + device_t dev, + int *phy_addr +) +{ + phandle_t phy_node; + phandle_t parent_node; + pcell_t phy_handle, phy_reg; + device_t other; + phandle_t xref; + + /* Search for the phy-handle and get the address */ + + if (OF_getencprop(node, "phy-handle", (void *)&phy_handle, + sizeof(phy_handle)) <= 0) + return (ENXIO); + + phy_node = OF_node_from_xref(phy_handle); + + if (OF_getencprop(phy_node, "reg", (void *)&phy_reg, + sizeof(phy_reg)) <= 0) + return (ENXIO); + + *phy_addr = phy_reg; + + /* Detect whether PHY handle is connected to this or another FFEC. */ + parent_node = phy_node; + + while (parent_node != 0) { + if (parent_node == node) { + /* PHY is directly connected. That's easy. */ + sc->mdio_device = NULL; + return 0; + } + + /* + * Check whether the node is also an Ethernet controller. Do + * that by just assuming that every Ethernet controller has a + * PHY attached to it. + */ + if (OF_getencprop(parent_node, "phy-handle", + (void *)&phy_handle, sizeof(phy_handle)) > 0) { + /* + * Try to find the device of the other Ethernet + * controller and use that for MDIO communication. + * Note: This is not really a nice workaround but it + * works. + */ + xref = OF_xref_from_node(parent_node); + if (xref == 0) { + device_printf(dev, + "Couldn't get device that handles PHY\n"); + return (ENXIO); + } + other = OF_device_from_xref(xref); + if (other == 0) { + device_printf(dev, + "Couldn't get device that handles PHY\n"); + return (ENXIO); + } + sc->mdio_device = other; + return 0; + } + + parent_node = OF_parent(parent_node); + } + return (ENXIO); +} + +#endif /* __rtems__ */ static int ffec_attach(device_t dev) { @@ -1735,6 +1851,10 @@ ffec_attach(device_t dev) sc->dev = dev; FFEC_LOCK_INIT(sc); +#ifdef __rtems__ + mtx_init(&sc->mtx, device_get_nameunit(sc->dev), + MTX_NETWORK_LOCK, MTX_DEF); +#endif /* __rtems__ */ /* * There are differences in the implementation and features of the FEC @@ -2039,9 +2159,17 @@ ffec_attach(device_t dev) ffec_miigasket_setup(sc); /* Attach the mii driver. */ +#ifdef __rtems__ + OF_device_register_xref(OF_xref_from_node(ofw_node), dev); + if (ffec_get_phy_information(sc, ofw_node, dev, &phynum) != 0) { + phynum = MII_PHY_ANY; + } + (void) dummy; +#else /* __rtems__ */ if (fdt_get_phyaddr(ofw_node, dev, &phynum, &dummy) != 0) { phynum = MII_PHY_ANY; } +#endif /* __rtems__ */ error = mii_attach(dev, &sc->miibus, ifp, ffec_media_change, ffec_media_status, BMSR_DEFCAPMASK, phynum, MII_OFFSET_ANY, (sc->fecflags & FECTYPE_MVF) ? MIIF_FORCEANEG : 0); diff --git a/freebsd/sys/dev/mmc/mmcsd.c b/freebsd/sys/dev/mmc/mmcsd.c index 11cf945f..ff517abc 100644 --- a/freebsd/sys/dev/mmc/mmcsd.c +++ b/freebsd/sys/dev/mmc/mmcsd.c @@ -546,6 +546,11 @@ mmcsd_attach(device_t dev) */ rev = ext_csd[EXT_CSD_REV]; +/* + * Cache flush functions are currently not available. Use of on-device cache can + * cause data loss. + */ +#ifndef __rtems__ /* * With revision 1.5 (MMC v4.5, EXT_CSD_REV == 6) and later, take * advantage of the device R/W cache if present and useage is not @@ -567,6 +572,7 @@ mmcsd_attach(device_t dev) sc->flags |= MMCSD_FLUSH_CACHE; } } +#endif /* * Ignore user-creatable enhanced user data area and general purpose diff --git a/freebsd/sys/sys/_domainset.h b/freebsd/sys/sys/_domainset.h index 5685d532..443c68fd 100644 --- a/freebsd/sys/sys/_domainset.h +++ b/freebsd/sys/sys/_domainset.h @@ -43,7 +43,7 @@ #define DOMAINSET_SETSIZE DOMAINSET_MAXSIZE #endif -BITSET_DEFINE(_domainset, DOMAINSET_SETSIZE); +__BITSET_DEFINE(_domainset, DOMAINSET_SETSIZE); typedef struct _domainset domainset_t; /* diff --git a/freebsd/sys/sys/domainset.h b/freebsd/sys/sys/domainset.h index 5a00347f..e028f3e9 100644 --- a/freebsd/sys/sys/domainset.h +++ b/freebsd/sys/sys/domainset.h @@ -44,34 +44,34 @@ sizeof(__XSTRING(MAXMEMDOM))) -#define DOMAINSET_CLR(n, p) BIT_CLR(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_COPY(f, t) BIT_COPY(DOMAINSET_SETSIZE, f, t) -#define DOMAINSET_ISSET(n, p) BIT_ISSET(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_SET(n, p) BIT_SET(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_ZERO(p) BIT_ZERO(DOMAINSET_SETSIZE, p) -#define DOMAINSET_FILL(p) BIT_FILL(DOMAINSET_SETSIZE, p) -#define DOMAINSET_SETOF(n, p) BIT_SETOF(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_EMPTY(p) BIT_EMPTY(DOMAINSET_SETSIZE, p) -#define DOMAINSET_ISFULLSET(p) BIT_ISFULLSET(DOMAINSET_SETSIZE, p) -#define DOMAINSET_SUBSET(p, c) BIT_SUBSET(DOMAINSET_SETSIZE, p, c) -#define DOMAINSET_OVERLAP(p, c) BIT_OVERLAP(DOMAINSET_SETSIZE, p, c) -#define DOMAINSET_CMP(p, c) BIT_CMP(DOMAINSET_SETSIZE, p, c) -#define DOMAINSET_OR(d, s) BIT_OR(DOMAINSET_SETSIZE, d, s) -#define DOMAINSET_AND(d, s) BIT_AND(DOMAINSET_SETSIZE, d, s) -#define DOMAINSET_NAND(d, s) BIT_NAND(DOMAINSET_SETSIZE, d, s) -#define DOMAINSET_CLR_ATOMIC(n, p) BIT_CLR_ATOMIC(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_SET_ATOMIC(n, p) BIT_SET_ATOMIC(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_CLR(n, p) __BIT_CLR(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_COPY(f, t) __BIT_COPY(DOMAINSET_SETSIZE, f, t) +#define DOMAINSET_ISSET(n, p) __BIT_ISSET(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_SET(n, p) __BIT_SET(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_ZERO(p) __BIT_ZERO(DOMAINSET_SETSIZE, p) +#define DOMAINSET_FILL(p) __BIT_FILL(DOMAINSET_SETSIZE, p) +#define DOMAINSET_SETOF(n, p) __BIT_SETOF(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_EMPTY(p) __BIT_EMPTY(DOMAINSET_SETSIZE, p) +#define DOMAINSET_ISFULLSET(p) __BIT_ISFULLSET(DOMAINSET_SETSIZE, p) +#define DOMAINSET_SUBSET(p, c) __BIT_SUBSET(DOMAINSET_SETSIZE, p, c) +#define DOMAINSET_OVERLAP(p, c) __BIT_OVERLAP(DOMAINSET_SETSIZE, p, c) +#define DOMAINSET_CMP(p, c) __BIT_CMP(DOMAINSET_SETSIZE, p, c) +#define DOMAINSET_OR(d, s) __BIT_OR(DOMAINSET_SETSIZE, d, s) +#define DOMAINSET_AND(d, s) __BIT_AND(DOMAINSET_SETSIZE, d, s) +#define DOMAINSET_NAND(d, s) __BIT_NAND(DOMAINSET_SETSIZE, d, s) +#define DOMAINSET_CLR_ATOMIC(n, p) __BIT_CLR_ATOMIC(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_SET_ATOMIC(n, p) __BIT_SET_ATOMIC(DOMAINSET_SETSIZE, n, p) #define DOMAINSET_SET_ATOMIC_ACQ(n, p) \ - BIT_SET_ATOMIC_ACQ(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_AND_ATOMIC(n, p) BIT_AND_ATOMIC(DOMAINSET_SETSIZE, n, p) -#define DOMAINSET_OR_ATOMIC(d, s) BIT_OR_ATOMIC(DOMAINSET_SETSIZE, d, s) + __BIT_SET_ATOMIC_ACQ(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_AND_ATOMIC(n, p) __BIT_AND_ATOMIC(DOMAINSET_SETSIZE, n, p) +#define DOMAINSET_OR_ATOMIC(d, s) __BIT_OR_ATOMIC(DOMAINSET_SETSIZE, d, s) #define DOMAINSET_COPY_STORE_REL(f, t) \ - BIT_COPY_STORE_REL(DOMAINSET_SETSIZE, f, t) -#define DOMAINSET_FFS(p) BIT_FFS(DOMAINSET_SETSIZE, p) -#define DOMAINSET_FLS(p) BIT_FLS(DOMAINSET_SETSIZE, p) -#define DOMAINSET_COUNT(p) BIT_COUNT(DOMAINSET_SETSIZE, p) -#define DOMAINSET_FSET BITSET_FSET(_NDOMAINSETWORDS) -#define DOMAINSET_T_INITIALIZER BITSET_T_INITIALIZER + __BIT_COPY_STORE_REL(DOMAINSET_SETSIZE, f, t) +#define DOMAINSET_FFS(p) __BIT_FFS(DOMAINSET_SETSIZE, p) +#define DOMAINSET_FLS(p) __BIT_FLS(DOMAINSET_SETSIZE, p) +#define DOMAINSET_COUNT(p) __BIT_COUNT(DOMAINSET_SETSIZE, p) +#define DOMAINSET_FSET __BITSET_FSET(_NDOMAINSETWORDS) +#define DOMAINSET_T_INITIALIZER __BITSET_T_INITIALIZER #define DOMAINSET_POLICY_INVALID 0 #define DOMAINSET_POLICY_ROUNDROBIN 1 diff --git a/freebsd/tools/tools/net80211/wlanstats/main.c b/freebsd/tools/tools/net80211/wlanstats/main.c index 3a6fd204..ef2caf56 100644 --- a/freebsd/tools/tools/net80211/wlanstats/main.c +++ b/freebsd/tools/tools/net80211/wlanstats/main.c @@ -43,6 +43,7 @@ #ifdef __rtems__ #define __need_getopt_newlib #include <getopt.h> +#include <string.h> #include <machine/rtems-bsd-program.h> #include <machine/rtems-bsd-commands.h> #endif /* __rtems__ */ @@ -96,6 +97,7 @@ getfmt(const char *tag) return tag; } +#ifndef __rtems__ static int signalled; static void @@ -103,6 +105,7 @@ catchalarm(int signo __unused) { signalled = 1; } +#endif /* __rtems__ */ #if 0 static void @@ -262,6 +265,7 @@ main(int argc, char *argv[]) wf->setstamac(wf, mac); if (argc > 0) { +#ifndef __rtems__ u_long interval = strtoul(argv[0], NULL, 0); int line, omask; @@ -283,24 +287,10 @@ main(int argc, char *argv[]) wf->print_total(wf, stdout); } fflush(stdout); -#ifndef __rtems__ omask = sigblock(sigmask(SIGALRM)); if (!signalled) sigpause(0); sigsetmask(omask); -#else /* __rtems__ */ - { - sigset_t oldmask, desired, empty; - - sigemptyset(&empty); - sigemptyset(&desired); - sigaddset(&desired, SIGALRM); - sigprocmask(SIG_BLOCK, &desired, &oldmask); - while (!signalled) - sigsuspend(&desired); - sigprocmask(SIG_SETMASK, &oldmask, NULL); - } -#endif /* __rtems__ */ signalled = 0; alarm(interval); line++; @@ -346,6 +336,10 @@ main(int argc, char *argv[]) } while (len >= sizeof(struct ieee80211req_sta_info)); } #endif +#else /* __rtems__ */ + (void)mode; + printf("wlanstats: not implemented\n"); +#endif /* __rtems__ */ } else { wf->collect_tot(wf); wf->print_verbose(wf, stdout); diff --git a/freebsd/tools/tools/net80211/wlanstats/rtems-bsd-wlanstats-main-data.h b/freebsd/tools/tools/net80211/wlanstats/rtems-bsd-wlanstats-main-data.h index f88c5834..afb145be 100644 --- a/freebsd/tools/tools/net80211/wlanstats/rtems-bsd-wlanstats-main-data.h +++ b/freebsd/tools/tools/net80211/wlanstats/rtems-bsd-wlanstats-main-data.h @@ -1,5 +1,3 @@ /* generated by userspace-header-gen.py */ #include <rtems/linkersets.h> #include "rtems-bsd-wlanstats-data.h" -/* main.c */ -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_wlanstats, static int signalled); diff --git a/freebsd/usr.bin/netstat/if.c b/freebsd/usr.bin/netstat/if.c index c578629e..ffb639c6 100644 --- a/freebsd/usr.bin/netstat/if.c +++ b/freebsd/usr.bin/netstat/if.c @@ -512,6 +512,7 @@ intpr(void (*pfunc)(char *), int af) freeifmaddrs(ifmap); } +#ifndef __rtems__ struct iftot { u_long ift_ip; /* input packets */ u_long ift_ie; /* input errors */ @@ -575,6 +576,7 @@ catchalarm(int signo __unused) { signalled = true; } +#endif /* __rtems__ */ /* * Print a running summary of interface statistics. @@ -585,6 +587,7 @@ catchalarm(int signo __unused) static void sidewaysintpr(void) { +#ifndef __rtems__ struct iftot ift[2], *new, *old; struct itimerval interval_it; int oldmask, line; @@ -619,26 +622,11 @@ loop: xo_close_list("interface-statistics"); return; } -#ifdef __rtems__ - { - sigset_t oldmask, desired, empty; - - sigemptyset(&empty); - sigemptyset(&desired); - sigaddset(&desired, SIGALRM); - sigprocmask(SIG_BLOCK, &desired, &oldmask); - while (!signalled) - sigsuspend(&desired); - signalled = false; - sigprocmask(SIG_SETMASK, &oldmask, NULL); - } -#else /* __rtems__ */ oldmask = sigblock(sigmask(SIGALRM)); while (!signalled) sigpause(0); signalled = false; sigsetmask(oldmask); -#endif /* __rtems__ */ line++; fill_iftot(new); @@ -681,4 +669,5 @@ loop: goto loop; /* NOTREACHED */ +#endif /* __rtems__ */ } diff --git a/freebsd/usr.bin/netstat/rtems-bsd-netstat-if-data.h b/freebsd/usr.bin/netstat/rtems-bsd-netstat-if-data.h index 9e12b65e..9a685f33 100644 --- a/freebsd/usr.bin/netstat/rtems-bsd-netstat-if-data.h +++ b/freebsd/usr.bin/netstat/rtems-bsd-netstat-if-data.h @@ -1,5 +1,3 @@ /* generated by userspace-header-gen.py */ #include <rtems/linkersets.h> #include "rtems-bsd-netstat-data.h" -/* if.c */ -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_netstat, static sig_atomic_t signalled); diff --git a/ipsec-tools/src/libipsec/pfkey.c b/ipsec-tools/src/libipsec/pfkey.c index 385a21a9..cc6ad816 100644 --- a/ipsec-tools/src/libipsec/pfkey.c +++ b/ipsec-tools/src/libipsec/pfkey.c @@ -1836,8 +1836,18 @@ pfkey_open(void) (void)setsockopt(so, SOL_SOCKET, SO_SNDBUF, &bufsiz_wanted, sizeof(bufsiz_wanted)); +#ifndef __rtems__ /* Try to have have at least 2MB. If we have more, do not lower it. */ bufsiz_wanted = 2 * 1024 * 1024; +#else /* __rtems__ */ + /* + * The bufsize_wanted has an influence on the maximum number of SPDs. We + * don't really need that much of them on an embedded system. If some + * application really needs it, this can be overwritten with the + * pfkey_buffer option in the config file. + */ + bufsiz_wanted = 128 * 1024; +#endif /* __rtems__ */ len = sizeof(bufsiz_current); ret = getsockopt(so, SOL_SOCKET, SO_RCVBUF, &bufsiz_current, &len); diff --git a/ipsec-tools/src/racoon/privsep.c b/ipsec-tools/src/racoon/privsep.c index 8efdae84..914d8a44 100644 --- a/ipsec-tools/src/racoon/privsep.c +++ b/ipsec-tools/src/racoon/privsep.c @@ -80,7 +80,9 @@ static int privsep_sock[2] = { -1, -1 }; static int privsep_recv(int, struct privsep_com_msg **, size_t *); static int privsep_send(int, struct privsep_com_msg *, size_t); static int safety_check(struct privsep_com_msg *, int i); +#ifndef __rtems__ static int port_check(int); +#endif /* __rtems__ */ static int unsafe_env(char *const *); static int unknown_name(int); static int unsafe_path(char *, int); @@ -321,7 +323,6 @@ privsep_init(void) #if defined(__NetBSD__) || defined(__FreeBSD__) setproctitle("[priv]"); #endif -#endif /* __rtems__ */ /* * Don't catch any signal @@ -334,13 +335,16 @@ privsep_init(void) signal(SIGUSR1, SIG_DFL); signal(SIGUSR2, SIG_DFL); signal(SIGCHLD, SIG_DFL); +#endif /* __rtems__ */ while (1) { size_t len; struct privsep_com_msg *combuf; struct privsep_com_msg *reply; char *data; +#ifndef __rtems__ size_t *buflen; +#endif /* __rtems__ */ size_t totallen; char *bufs[PRIVSEP_NBUF_MAX]; int i; @@ -1067,7 +1071,9 @@ privsep_getpsk(str, keylen) vchar_t *psk; struct privsep_com_msg *msg; size_t len; +#ifndef __rtems__ int *keylenp; +#endif /* __rtems__ */ char *data; if (geteuid() == 0) @@ -1129,7 +1135,11 @@ privsep_socket(domain, type, protocol) size_t len; char *data; struct socket_args socket_args; +#ifndef __rtems__ int s, saved_errno = 0; +#else /* __rtems__ */ + int s; +#endif /* __rtems__ */ if (geteuid() == 0) return socket(domain, type, protocol); diff --git a/ipsec-tools/src/racoon/rtems-bsd-racoon-data.h b/ipsec-tools/src/racoon/rtems-bsd-racoon-data.h index 7f1e9247..6867269e 100644 --- a/ipsec-tools/src/racoon/rtems-bsd-racoon-data.h +++ b/ipsec-tools/src/racoon/rtems-bsd-racoon-data.h @@ -56,7 +56,7 @@ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern struct dhgroup dh_modp8192); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern char *pname); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern int f_foreground); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern int print_location); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern u_int32_t loglevel); +RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, extern __uint32_t loglevel); /* policy.c */ /* privsep.c */ /* proposal.c */ diff --git a/ipsec-tools/src/racoon/rtems-bsd-racoon-session-data.h b/ipsec-tools/src/racoon/rtems-bsd-racoon-session-data.h index cdf8a74d..51b67d2e 100644 --- a/ipsec-tools/src/racoon/rtems-bsd-racoon-session-data.h +++ b/ipsec-tools/src/racoon/rtems-bsd-racoon-session-data.h @@ -5,8 +5,5 @@ RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static fd_set *allocated_active_mask); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static fd_set *allocated_preset_mask); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static int nfds); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static int signals[]); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static sig_atomic_t volatile volatile sigreq[]); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static struct fd_monitor *allocated_fd_monitors); RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static struct fd_monitor_list fd_monitor_tree[]); -RTEMS_LINKER_RWSET_CONTENT(bsd_prog_racoon, static struct sched scflushsa); diff --git a/ipsec-tools/src/racoon/session.c b/ipsec-tools/src/racoon/session.c index 90120c76..bd2bd316 100644 --- a/ipsec-tools/src/racoon/session.c +++ b/ipsec-tools/src/racoon/session.c @@ -119,6 +119,7 @@ struct fd_monitor { #define NUM_PRIORITIES 2 +#ifndef __rtems__ static void close_session __P((void)); static void initfds __P((void)); static void init_signal __P((void)); @@ -126,6 +127,7 @@ static int set_signal __P((int sig, RETSIGTYPE (*func) __P((int)))); static void check_sigreq __P((void)); static void check_flushsa __P((void)); static int close_sockets __P((void)); +#endif /* __rtems__ */ #ifndef __rtems__ static fd_set preset_mask, active_mask; @@ -140,8 +142,10 @@ static struct fd_monitor *allocated_fd_monitors; static TAILQ_HEAD(fd_monitor_list, fd_monitor) fd_monitor_tree[NUM_PRIORITIES]; static int nfds = 0; +#ifndef __rtems__ static volatile sig_atomic_t sigreq[NSIG + 1]; static struct sched scflushsa = SCHED_INITIALIZER(); +#endif /* __rtems__ */ void monitor_fd(int fd, int (*callback)(void *, int), void *ctx, int priority) @@ -199,9 +203,11 @@ session(void) { struct timeval *timeout; int error; +#ifndef __rtems__ char pid_file[MAXPATHLEN]; FILE *fp; pid_t racoon_pid = 0; +#endif /* __rtems__ */ int i, count; struct fd_monitor *fdm; @@ -209,6 +215,8 @@ session(void) #ifndef __rtems__ FD_ZERO(&preset_mask); #else /* __rtems__ */ + size_t allocated_mask_size = sizeof(fd_set) * + howmany(rtems_libio_number_iops, sizeof(fd_set) * 8); allocated_preset_mask = calloc(sizeof(fd_set), howmany(rtems_libio_number_iops, sizeof(fd_set) * 8)); if (allocated_preset_mask == NULL) @@ -228,7 +236,9 @@ session(void) /* initialize schedular */ sched_init(); +#ifndef __rtems__ init_signal(); +#endif /* __rtems__ */ if (pfkey_init() < 0) errx(1, "failed to initialize pfkey socket"); @@ -325,24 +335,31 @@ session(void) racoon_pid = getpid(); fprintf(fp, "%ld\n", (long)racoon_pid); fclose(fp); -#endif /* __rtems__ */ for (i = 0; i <= NSIG; i++) sigreq[i] = 0; +#endif /* __rtems__ */ while (1) { +#ifndef __rtems__ /* * asynchronous requests via signal. * make sure to reset sigreq to 0. */ check_sigreq(); +#endif /* __rtems__ */ /* scheduling */ timeout = schedular(); /* schedular can change select() mask, so we reset * the working copy here */ +#ifndef __rtems__ active_mask = preset_mask; +#else /* __rtems__ */ + memcpy(allocated_active_mask, allocated_preset_mask, + allocated_mask_size); +#endif /* __rtems__ */ error = select(nfds + 1, &active_mask, NULL, NULL, timeout); if (error < 0) { @@ -379,6 +396,7 @@ session(void) } } +#ifndef __rtems__ /* clear all status and exit program. */ static void close_session() @@ -391,11 +409,6 @@ close_session() flushsainfo(); close_sockets(); backupsa_clean(); -#ifdef __rtems__ - free(allocated_preset_mask); allocated_preset_mask = NULL; - free(allocated_active_mask); allocated_active_mask = NULL; - free(allocated_fd_monitors); allocated_fd_monitors = NULL; -#endif /* __rtems__ */ plog(LLV_INFO, LOCATION, NULL, "racoon process %d shutdown\n", getpid()); @@ -565,11 +578,7 @@ set_signal(sig, func) memset((caddr_t)&sa, 0, sizeof(sa)); sa.sa_handler = func; -#ifndef __rtems__ sa.sa_flags = SA_RESTART; -#else /* __rtems__ */ - sa.sa_flags = 0; -#endif /* __rtems__ */ if (sigemptyset(&sa.sa_mask) < 0) return -1; @@ -590,6 +599,7 @@ close_sockets() #endif return 0; } +#endif /* __rtems__ */ #ifdef __rtems__ #include "rtems-bsd-racoon-session-data.h" @@ -553,7 +553,7 @@ class base(builder.Module): ], mm.generator['source']() ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'COPYRIGHT' ] @@ -891,6 +891,24 @@ class pinmux(builder.Module): ) # +# MV643XX Ethernet driver +# +class if_mve(builder.Module): + + def __init__(self, manager): + super(if_mve, self).__init__(manager, type(self).__name__) + + def generate(self): + mm = self.manager + self.addRTEMSKernelSourceFiles( + [ + 'sys/dev/mve/if_mve.c', + 'sys/dev/mve/if_mve_nexus.c', + ], + mm.generator['source']() + ) + +# # USB # class dev_usb(builder.Module): @@ -1714,7 +1732,7 @@ class dev_nic_e1000(builder.Module): ], mm.generator['source']() ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'sys/dev/e1000/LICENSE' ] @@ -2594,7 +2612,7 @@ class opencrypto(builder.Module): ], mm.generator['source']() ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'sys/contrib/libsodium/LICENSE' ] @@ -3250,7 +3268,7 @@ class user_space(builder.Module): ], mm.generator['source'](['-DINET']) ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'contrib/libxo/LICENSE' ] @@ -4257,7 +4275,7 @@ class crypto_openssl(builder.Module): mm.generator['from-FreeBSD-to-RTEMS-UserSpaceSourceConverter'](), mm.generator['from-RTEMS-To-FreeBSD-SourceConverter'](), mm.generator['buildSystemComposer']())) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'crypto/openssl/LICENSE' ] @@ -4395,7 +4413,7 @@ class contrib_expat(builder.Module): ], mm.generator['source'](cflags) ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'contrib/expat/COPYING' ] @@ -4500,7 +4518,7 @@ class contrib_libpcap(builder.Module): ], mm.generator['source'](cflags) ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'contrib/libpcap/LICENSE' ] @@ -4745,7 +4763,7 @@ class usr_sbin_tcpdump(builder.Module): ['freebsd/contrib/tcpdump', 'freebsd/usr.sbin/tcpdump/tcpdump']) ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'contrib/tcpdump/LICENSE' ] @@ -5064,7 +5082,7 @@ class usr_sbin_wpa_supplicant(builder.Module): ], mm.generator['source']() ) - self.addPlainTextFile( + self.addPlainTextFiles( [ 'contrib/wpa/COPYING' ] @@ -5316,6 +5334,12 @@ class imx(builder.Module): ], mm.generator['source']() ) + self.addRTEMSKernelSourceFiles( + [ + 'sys/arm/freescale/imx/imxrt1166_usbphy.c', + ], + mm.generator['source']() + ) class regulator(builder.Module): def __init__(self, manager): @@ -5407,7 +5431,7 @@ class tests(builder.Module): self.addTest(mm.generator['test']('smp01', ['test_main'], extraLibs = ['rtemstest'])) self.addTest(mm.generator['test']('media01', ['test_main', 'pattern-test'], runTest = False, - extraLibs = ['ftpd', 'telnetd'])) + extraLibs = ['tftpfs', 'ftpd', 'telnetd'])) self.addTest(mm.generator['test']('mcast01', ['test_main'])) self.addTest(mm.generator['test']('vlan01', ['test_main'], netTest = True)) self.addTest(mm.generator['test']('lagg01', ['test_main'], netTest = True)) @@ -5449,6 +5473,7 @@ class tests(builder.Module): self.addTest(mm.generator['test']('ipsec01', ['test_main'])) self.addTest(mm.generator['test']('openssl01', ['test_main'])) self.addTest(mm.generator['test']('openssl02', ['test_main'])) + self.addTest(mm.generator['test']('tcpdump01', ['test_main'])) def load(mm): @@ -5466,6 +5491,7 @@ def load(mm): mm.addModule(evdev(mm)) mm.addModule(iic(mm)) mm.addModule(pinmux(mm)) + mm.addModule(if_mve(mm)) mm.addModule(display(mm)) mm.addModule(dev_usb(mm)) diff --git a/libbsd.txt b/libbsd.txt deleted file mode 100644 index 3d665500..00000000 --- a/libbsd.txt +++ /dev/null @@ -1,1331 +0,0 @@ -RTEMS BSD Library Guide -======================= -:toc: -:icons: -:numbered: -:website: http://www.rtems.org/ - -The libbsd makes FreeBSD subsystems like TCP/IP, USB, SD and some more usable -for RTEMS. It tries to follow the FreeBSD development as close as possible and -therefore is updated to the latest FreeBSD HEAD revision from time to time. -To find out which version of FreeBSD is currently used as the base version for -libbsd please take a look at the -https://git.rtems.org/rtems-libbsd/log/freebsd-org[freebsd-org] submodule. - -This is a guide which captures information on the -process of merging code from FreeBSD, building this library, -RTEMS specific support files, and general guidelines on what -modifications to the FreeBSD source are permitted. - -Goals of this effort are - -* update TCP/IP and provide USB in RTEMS, -* ease updating to future FreeBSD versions, -* ease tracking changes in FreeBSD code, -* minimize manual changes in FreeBSD code, and -* define stable kernel/device driver API which is implemented -by both RTEMS and FreeBSD. This is the foundation of the port. - -We will work to push our changes upstream to the FreeBSD Project -and minimize changes required at each update point. - -******************************************************************************* -This is a work in progress and is very likely to be incomplete. -Please help by adding to it. -******************************************************************************* - -== Getting Started - -=== Tool Chain === - -You need a tool chain for RTEMS based on the latest RTEMS Source Builder (RSB). - -=== Installation Overview === - -. You must configure your BSP with the +--disable-networking+ option to disable -the old network stack. Make sure no header files of the old network stack are -installed. - -. Clone the Git repository +git clone git://git.rtems.org/rtems-libbsd.git+. -. Change into the RTEMS BSD library root directory. -. If you want to run tests with a custom IP configuration instead of the default - one you can use an adjusted `config.inc` configuration file. -. Run +waf configure ...+. -. Run +waf+. -. Run +waf install+. - -Refer to the README.waf for Waf building instructions. - -Make sure the submodules have been initialised and are updated. If a 'git -status' says `rtems_waf` need updating run the submodule update command: - - $ git submodule sync - $ git submodule rtems_waf update - -=== Board Support Package Requirements === - -You need the latest RTEMS version to build the libbsd master. The Board -Support Package (BSP) must support the -http://www.rtems.org/onlinedocs/doxygen/cpukit/html/group\__rtems\__interrupt__extension.html[Interrupt Manager Extension] -// The first underscores have to be masked to stop asciidoc interpreting them -to make use of generic FreeBSD based drivers. - -=== Board Support Package Configuration and Build === - -You need to configure RTEMS for the desired BSP and install it. The BSP must -be configured with a disabled network stack. The BSD library containing the -new network stack is a separate package. Using a BSP installation containing -the old network stack may lead to confusion and unpredictable results. - -The following script is used to build the `arm/xilinx_zynq_a9_qemu` BSP for -our internal testing purposes: - -------------------------------------------------------------------------------- -#!/bin/sh - -cd ${HOME}/sandbox -rm -rf b-xilinx_zynq_a9_qemu -mkdir b-xilinx_zynq_a9_qemu -cd b-xilinx_zynq_a9_qemu -${HOME}/git-rtems/configure \ - --prefix=${HOME}/sandbox/install \ - --target=arm-rtems5 \ - --enable-rtemsbsp=xilinx_zynq_a9_qemu \ - --disable-networking && \ - make && \ - make install -------------------------------------------------------------------------------- - -The `arm/xilinx_zynq_a9_qemu` BSP running on the Qemu simulator has some -benefits for development and test of the BSD library - -* it offers a NULL pointer read and write protection, -* Qemu is a fast simulator, -* Qemu provides support for GDB watchpoints, -* Qemu provides support for virtual Ethernet networks, e.g. TUN and bridge -devices (you can run multiple test instances on one virtual network). - -=== BSD Library Configuration and Build === - -The build system based on the Waf build system. To build with Waf please refer -to the README.waf file. - -Note that the libbsd supports different buildsets. These can be selected with -the `--buildset=xxx.ini` option during the configure phase. Take a look at the -comments in `buildset/*.ini` to see which build sets are officially supported. - -You can also create and provide your own buildset configuration. But remember -that it's quite easy to break something by disabling the wrong modules. Only the -configurations in the `buildset` directory are officially maintained. - -===== Example Configuration for Network Tests ===== - -If you need some other IP configuration for the network tests that use a fixed -IP config you can copy `config.inc` to a location outside to the source tree and -adapt it. Then use the option `--net-test-config=NET_CONFIG` to pass the file to -waf's configure command. - -------------------------------------------------------------------------------- -NET_CFG_SELF_IP = 10.0.0.2 -NET_CFG_NETMASK = 255.255.0.0 -NET_CFG_PEER_IP = 10.0.0.1 -NET_CFG_GATEWAY_IP = 10.0.0.1 -------------------------------------------------------------------------------- - -=== BSD Library Initialization === - -To initialise the BSD Library create a suitable rc.conf file. The FreeBSD man -page rc.conf(5) provides the details needed to create a suitable format file: - - https://www.freebsd.org/cgi/man.cgi?rc.conf - -You can call one of three functions to run the initialisation once BSD has -initialised: - - - rtems_bsd_run_etc_rc_conf: Run /etc/rc.conf. - - rtems_bsd_run_rc_conf: Run a user supplied file. - - rtems_bsd_run_rc_conf_script: Run the in memory line feed separated text string. - -For exapmle: - - void - network_init(void) - { - rtems_status_code sc; - - sc = rtems_bsd_initialize(); - assert(sc == RTEMS_SUCCESSFUL); - - rtems_bsd_run_etc_rc_conf(true); /* verbose = true */ - -} - -By default the networking support is builtin. Other directives can be added and -are found in 'machine/rtems-bsd-rc-conf-directives.h'. Please check the file -for the list. - -The following network names are supported: - - cloned_interfaces - ifconfig_'interface' - defaultrouter - hostname - -For example: - - # - # My BSD initialisation. - # - hostname="myhost" - cloned_interfaces="vlan0 vlan1" - ifconfig_re0="inet inet 10.10.10.10 netmask 255.255.255.0" - fconfig_vlan0="inet 10.11.10.10 255.255.255.0 vlan 101 vlandev re0" - defaultrouter="10.10.10.1" - -You can also intialise the BSD library using code. The following code to -initialize the BSD library: - -------------------------------------------------------------------------------- -#include <assert.h> -#include <sysexits.h> - -#include <rtems/bsd/bsd.h> - -void -network_init(void) -{ - rtems_status_code sc; - int exit_code; - - sc = rtems_bsd_initialize(); - assert(sc == RTEMS_SUCCESSFUL); - - exit_code = rtems_bsd_ifconfig_lo0(); - assert(exit_code == EX_OK); -} -------------------------------------------------------------------------------- - -This performs the basic network stack initialization with a loopback interface. -Further initialization must be done using the standard BSD network -configuration commands -http://www.freebsd.org/cgi/man.cgi?query=ifconfig&sektion=8[IFCONFIG(8)] -using `rtems_bsd_command_ifconfig()` and -http://www.freebsd.org/cgi/man.cgi?query=route&sektion=8[ROUTE(8)] -using `rtems_bsd_command_route()`. For an example please have a look at -`testsuite/include/rtems/bsd/test/default-network-init.h`. - -=== Task Priorities and Stack Size === - -The default task priority is 96 for the interrupt server task (name "IRQS"), 98 -for the timer server task (name "TIME") and 100 for all other tasks. The -application may provide their own implementation of the -`rtems_bsd_get_task_priority()` function (for example in the module which calls -`rtems_bsd_initialize()`) if different values are desired. - -The task stack size is determined by the `rtems_bsd_get_task_stack_size()` -function which may be provided by the application in case the default is not -appropriate. - -=== Size for Allocator Domains === - -The size for an allocator domain can be specified via the -`rtems_bsd_get_allocator_domain_size()` function. The application may provide -their own implementation of the `rtems_bsd_get_allocator_domain_size()` -function (for example in the module which calls `rtems_bsd_initialize()`) if -different values are desired. The default size is 8MiB for all domains. - -=== Redirecting or Disabling the Output === - -A lot of system messages are printed to the stdout by default. If you want to -redirect them you can overwrite the default print handler. That can even be done -before the libbsd initialization to catch all messages. An example would look -like follows: - -------------------------------------------------------------------------------- -int my_vprintf_handler(int level, const char *fmt, va_list ap) { - /* Do something with the messages. */ - - return number_of_printed_chars; -} - -... - /* In your initialization: */ - rtems_bsd_vprintf_handler old; - old = rtems_bsd_set_vprintf_handler(my_vprintf_handler); -... -------------------------------------------------------------------------------- - -As a special case, you can set the `rtems_bsd_vprintf_handler_mute(...)` -provided by libbsd to suppress all output. - -== Network Stack Features - -http://roy.marples.name/projects/dhcpcd/index[DHCPCD(8)]:: DHCP client - -https://developer.apple.com/library/mac/documentation/Networking/Reference/DNSServiceDiscovery_CRef/Reference/reference.html[dns_sd.h]:: DNS Service Discovery - -http://www.opensource.apple.com/source/mDNSResponder/mDNSResponder-320.10/mDNSCore/mDNSEmbeddedAPI.h[mDNS]:: Multi-Cast DNS - -http://www.freebsd.org/cgi/man.cgi?query=unix&sektion=4[UNIX(4)]:: UNIX-domain protocol family - -http://www.freebsd.org/cgi/man.cgi?query=inet&sektion=4[INET(4)]:: Internet protocol family - -http://www.freebsd.org/cgi/man.cgi?query=inet6&sektion=4[INET6(4)]:: Internet protocol version 6 family - -http://www.freebsd.org/cgi/man.cgi?query=tcp&sektion=4[TCP(4)]:: Internet Transmission Control Protocol - -http://www.freebsd.org/cgi/man.cgi?query=udp&sektion=4[UDP(4)]:: Internet User Datagram Protocol - -http://www.freebsd.org/cgi/man.cgi?query=route&sektion=4[ROUTE(4)]:: Kernel packet forwarding database - -http://www.freebsd.org/cgi/man.cgi?query=bpf&sektion=4[BPF(4)]:: Berkeley Packet Filter - -http://www.freebsd.org/cgi/man.cgi?query=socket&sektion=2[SOCKET(2)]:: Create an endpoint for communication - -http://www.freebsd.org/cgi/man.cgi?query=kqueue&sektion=2[KQUEUE(2)]:: Kernel event notification mechanism - -http://www.freebsd.org/cgi/man.cgi?query=select&sektion=2[SELECT(2)]:: Synchronous I/O multiplexing - -http://www.freebsd.org/cgi/man.cgi?query=poll&sektion=2[POLL(2)]:: Synchronous I/O multiplexing - -http://www.freebsd.org/cgi/man.cgi?query=route&sektion=8[ROUTE(8)]:: Manually manipulate the routing tables - -http://www.freebsd.org/cgi/man.cgi?query=ifconfig&sektion=8[IFCONFIG(8)]:: Configure network interface parameters - -http://www.freebsd.org/cgi/man.cgi?query=netstat&sektion=1[NETSTAT(1)]:: Show network status - -http://www.freebsd.org/cgi/man.cgi?query=ping&sektion=8[PING(8)]:: Send ICMP ECHO_REQUEST packets to network hosts - -http://www.freebsd.org/cgi/man.cgi?query=ping6&sektion=8[PING6(8)]:: Send ICMPv6 ECHO_REQUEST packets to network hosts - -http://www.freebsd.org/cgi/man.cgi?query=sysctl&sektion=3[SYSCTL(3)]:: Get or set system information - -http://www.freebsd.org/cgi/man.cgi?query=resolver&sektion=3[RESOLVER(3)]:: Resolver routines - -http://www.freebsd.org/cgi/man.cgi?query=gethostbyname&sektion=3[GETHOSTBYNAME(3)]:: Get network host entry - -== Network Interface Drivers - -=== Link Up/Down Events - -You can notifiy the application space of link up/down events in your network -interface driver via the if_link_state_change(LINK_STATE_UP/LINK_STATE_DOWN) -function. The DHCPCD(8) client is a consumer of these events for example. -Make sure that the interface flag IFF_UP and the interface driver flag -IFF_DRV_RUNNING is set in case the link is up, otherwise ether_output() will -return the error status ENETDOWN. - -== Shell Commands - -=== HOSTNAME(1) - -In addition to the standard options the RTEMS version of the HOSTNAME(1) -command supports the -m flag to set/get the multicast hostname of the -mDNS resolver instance. See also rtems_mdns_sethostname() and -rtems_mdns_gethostname(). - -== Qemu - -Use the following script to set up a virtual network with three tap devices -connected via one bridge device. - -------------------------------------------------------------------------------- -#!/bin/sh -x - -user=`whoami` -interfaces=(1 2 3) - -tap=qtap -bri=qbri - -case $1 in - up) - sudo -i brctl addbr $bri - for i in ${interfaces[@]} ; do - sudo -i tunctl -t $tap$i -u $user ; - sudo -i ifconfig $tap$i up ; - sudo -i brctl addif $bri $tap$i ; - done - sudo -i ifconfig $bri up - ;; - down) - for i in ${interfaces[@]} ; do - sudo -i ifconfig $tap$i down ; - sudo -i tunctl -d $tap$i ; - done - sudo -i ifconfig $bri down - sudo -i brctl delbr $bri - ;; -esac -------------------------------------------------------------------------------- - -Connect your Qemu instance to one of the tap devices, e.g. - -------------------------------------------------------------------------------- -qemu-system-i386 -m 512 -boot a -cpu pentium3 \ - -drive file=$HOME/qemu/pc386_fda,index=0,if=floppy,format=raw \ - -drive file=fat:$HOME/qemu/hd,format=raw \ - -net nic,model=e1000,macaddr=0e:b0:ba:5e:ba:11 \ - -net tap,ifname=qtap1,script=no,downscript=no \ - -nodefaults -nographic -serial stdio -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- -qemu-system-arm \ - -serial null \ - -serial mon:stdio \ - -nographic \ - -M xilinx-zynq-a9 \ - -net nic,model=cadence_gem,macaddr=0e:b0:ba:5e:ba:11 \ - -net tap,ifname=qtap1,script=no,downscript=no \ - -m 256M \ - -kernel build/arm-rtems5-xilinx_zynq_a9_qemu/media01.exe -------------------------------------------------------------------------------- - -Make sure that each Qemu instance uses its own MAC address to avoid an address -conflict (or otherwise use it as a test). - -To connect the Qemu instances with your local network use the following -(replace 'eth0' with the network interface of your host). - -------------------------------------------------------------------------------- -ifconfig eth0 0.0.0.0 -brctl addif qbri eth0 -dhclient qbri -------------------------------------------------------------------------------- - -=== VDE and QEMU - -On FreeBSD you can create VDE or the Virtual Distributed Ethernet to create a -network environment that does not need to run qemu as root or needing to drop -the tap's privileges to run qemu. - -VDE creates a software switch with a default of 32 ports which means a single -kernel tap can support 32 qemu networking sessions. - -To use VDE you need to build qemu with VDE support. The RSB can detect a VDE -plug and enable VDE support in qemu when building. On FreeBSD install the VDE -support with: - - # pkg install -u vde2 - -Build qemu with the RSB. - -To network create a bridge and a tap. The network is 10.10.1.0/24. On FreeBSD -add to your /etc/rc.conf: - - cloned_interfaces="bridge0 tap0" - autobridge_interfaces="bridge0" - autobridge_bridge0="re0 tap0" - ifconfig_re0="up" - ifconfig_tap0="up" - ifconfig_bridge0="inet 10.1.1.2 netmask 255.255.255.0" - defaultrouter="10.10.1.1" - -Start the VDE switch as root: - - # sysctl net.link.tap.user_open=1 - # sysctl net.link.tap.up_on_open=1 - # vde_switch -d -s /tmp/vde1 -M /tmp/mgmt1 -tap tap0 -m 660 --mgmtmode 660 - # chmod 660 /dev/tap0 - -You can connect to the VDE switch's management channel using: - - $ vdeterm /tmp/mgmt1 - -To run qemu: - - $ qemu-system-arm \ - -serial null \ - -serial mon:stdio \ - -nographic \ - -M xilinx-zynq-a9 \ - -net nic,model=cadence_gem,macaddr=0e:b0:ba:5e:ba:11 \ - -net vde,id=vde0,sock=/tmp/vde1 - -m 256M \ - -kernel build/arm-rtems5-xilinx_zynq_a9_qemu/rcconf02.exe - -== Issues and TODO - -* PCI support on x86 uses a quick and dirty hack, see pci_reserve_map(). - -* Priority queues are broken with clustered scheduling. - -* Per-CPU data should be enabled once the new stack is ready for SMP. - -* Per-CPU NETISR(9) should be enabled onece the new stack is ready for SMP. - -* Multiple routing tables are not supported. Every FIB value is set to zero - (= BSD_DEFAULT_FIB). - -* Process identifiers are not supported. Every PID value is set to zero - (= BSD_DEFAULT_PID). - -* User credentials are not supported. The following functions allow the - operation for everyone - - prison_equal_ip4(), - - chgsbsize(), - - cr_cansee(), - - cr_canseesocket() and - - cr_canseeinpcb(). - -* A basic USB functionality test that is known to work on Qemu is desirable. - -* Adapt generic IRQ PIC interface code to Simple Vectored Interrupt Model - so that those architectures can use new TCP/IP and USB code. - -* freebsd-userspace/rtems/include/sys/syslog.h is a copy from the old - RTEMS TCP/IP stack. For some reason, the __printflike markers do not - compile in this environment. We may want to use the FreeBSD syslog.h - and get this addressed. - -* in_cksum implementations for architectures not supported by FreeBSD. - This will require figuring out where to put implementations that do - not originate from FreeBSD and are populated via the script. - -* MAC support functions are not thread-safe ("freebsd/lib/libc/posix1e/mac.c"). - -* IFCONFIG(8): IEEE80211 support is disabled. This module depends on a XML - parser and mmap(). - -* get_cyclecount(): The implementation is a security problem. - -* What to do with the priority parameter present in the FreeBSD synchronization - primitives and the thread creation functions? - -* TASKQUEUE(9): Support spin mutexes. - -* ZONE(9): Review allocator lock usage in rtems-bsd-chunk.c. - -* KQUEUE(2): Choose proper lock for global kqueue list. - -* TIMEOUT(9): Maybe use special task instead of timer server to call - callout_tick(). - -* sysctl_handle_opaque(): Implement reliable snapshots. - -* PING6(8): What to do with SIGALARM? - -* <sys/param.h>: Update Newlib to use a MSIZE of 256. - -* BPF(4): Add support for zero-copy buffers. - -* UNIX(4): Fix race conditions in the area of socket object and file node - destruction. Add support for file descriptor transmission via control - messages. - -* PRINTF(9): Add support for log(), the %D format specifier is missing in the - normal printf() family. - -* Why is the interrupt server used? The BSD interrupt handlers can block on -synchronization primitives like mutexes. This is in contrast to RTEMS -interrupt service routines. The BSPs using the generic interrupt support must -implement the `bsp_interrupt_vector_enable()` and -`bsp_interrupt_vector_disable()` routines. They normally enable/disable a -particular interrupt source at the interrupt controller. This can be used to -implement the interrupt server. The interrupt server is a task that wakes-up -in case an associated interrupt happens. The interrupt source is disabled in -a generic interrupt handler that wakes-up the interrupt server task. Once the -postponed interrupt processing is performed in the interrupt server the -interrupt source is enabled again. - -* Convert all BSP linkcmds to use a linkcmds.base so the sections are -easier to insert. - -* NIC Device Drivers -- Only common PCI NIC drivers have been included in the initial set. These -do not include any system on chip or ISA drivers. -- PCI configuration probe does not appear to happen to determine if a -NIC is in I/O or memory space. We have worked around this by using a -static hint to tell the fxp driver the correct mode. But this needs to -be addressed. -- The ISA drivers require more BSD infrastructure to be addressed. This was -outside the scope of the initial porting effort. - -== FreeBSD Source - -You should be able to rely on FreebSD manual pages and documentation -for details on the code itself. - -== BSD Library Source - -== Initialization of the BSD Library - -The initialization of the BSD library is based on the FreeBSD SYSINIT(9) -infrastructure. The key to initializing a system is to ensure that the desired -device drivers are explicitly pulled into the linked application. This plus -linking against the BSD library (`libbsd.a`) will pull in the necessary FreeBSD -infrastructure. - -The FreeBSD kernel is not a library like the RTEMS kernel. It is a bunch of -object files linked together. If we have a library, then creating the -executable is simple. We begin with a start symbol and recursively resolve all -references. With a bunch of object files linked together we need a different -mechanism. Most object files don't know each other. Lets say we have a driver -module. The rest of the system has no references to this driver module. The -driver module needs a way to tell the rest of the system: Hey, kernel I am -here, please use my services! - -This registration of independent components is performed by SYSINIT(9) and -specializations: - -http://www.freebsd.org/cgi/man.cgi?query=SYSINIT - -The SYSINIT(9) uses some global data structures that are placed in a certain -section. In the linker command file we need this: - -------------------------------------------------------------------------------- -.rtemsroset : { - KEEP (*(SORT(.rtemsroset.*))) -} - -.rtemsrwset : { - KEEP (*(SORT(.rtemsrwset.*))) -} -------------------------------------------------------------------------------- - -This results for example in this executable layout: - -------------------------------------------------------------------------------- -[...] - *(SORT(.rtemsroset.*)) - .rtemsroset.bsd.modmetadata_set.begin - 0x000000000025fe00 0x0 libbsd.a(rtems-bsd-init.o) - 0x000000000025fe00 _bsd__start_set_modmetadata_set - .rtemsroset.bsd.modmetadata_set.content - 0x000000000025fe00 0x8 libbsd.a(rtems-bsd-nexus.o) - .rtemsroset.bsd.modmetadata_set.content - 0x000000000025fe08 0x4 libbsd.a(kern_module.o) -[...] - .rtemsroset.bsd.modmetadata_set.content - 0x000000000025fe68 0x4 libbsd.a(mii.o) - .rtemsroset.bsd.modmetadata_set.content - 0x000000000025fe6c 0x4 libbsd.a(mii_bitbang.o) - .rtemsroset.bsd.modmetadata_set.end - 0x000000000025fe70 0x0 libbsd.a(rtems-bsd-init.o) - 0x000000000025fe70 _bsd__stop_set_modmetadata_set -[...] -.rtemsrwset 0x000000000030bad0 0x290 - *(SORT(.rtemsrwset.*)) - .rtemsrwset.bsd.sysinit_set.begin - 0x000000000030bad0 0x0 libbsd.a(rtems-bsd-init.o) - 0x000000000030bad0 _bsd__start_set_sysinit_set - .rtemsrwset.bsd.sysinit_set.content - 0x000000000030bad0 0x4 libbsd.a(rtems-bsd-nexus.o) - .rtemsrwset.bsd.sysinit_set.content - 0x000000000030bad4 0x8 libbsd.a(rtems-bsd-thread.o) - .rtemsrwset.bsd.sysinit_set.content - 0x000000000030badc 0x4 libbsd.a(init_main.o) -[...] - .rtemsrwset.bsd.sysinit_set.content - 0x000000000030bd54 0x4 libbsd.a(frag6.o) - .rtemsrwset.bsd.sysinit_set.content - 0x000000000030bd58 0x8 libbsd.a(uipc_accf.o) - .rtemsrwset.bsd.sysinit_set.end - 0x000000000030bd60 0x0 libbsd.a(rtems-bsd-init.o) - 0x000000000030bd60 _bsd__stop_set_sysinit_set -[...] -------------------------------------------------------------------------------- - -Here you can see, that some global data structures are collected into -continuous memory areas. This memory area can be identified by start and stop -symbols. This constructs a table of uniform items. - -The low level FreeBSD code calls at some time during the initialization the -mi_startup() function (machine independent startup). This function will sort -the SYSINIT(9) set and call handler functions which perform further -initialization. The last step is the scheduler invocation. - -The SYSINIT(9) routines are run in mi_startup() which is called by -rtems_bsd_initialize(). - -This is also explained in "The Design and Implementation of the FreeBSD -Operating System" section 14.3 "Kernel Initialization". - -In RTEMS we have a library and not a bunch of object files. Thus we need a way -to pull-in the desired services out of the libbsd. Here the -`rtems-bsd-sysinit.h` comes into play. The SYSINIT(9) macros have been -modified and extended for RTEMS in `<sys/kernel.h>`: - -------------------------------------------------------------------------------- -#ifndef __rtems__ -#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \ - static struct sysinit uniquifier ## _sys_init = { \ - subsystem, \ - order, \ - func, \ - (ident) \ - }; \ - DATA_SET(sysinit_set,uniquifier ## _sys_init) -#else /* __rtems__ */ -#define SYSINIT_ENTRY_NAME(uniquifier) \ - _bsd_ ## uniquifier ## _sys_init -#define SYSINIT_REFERENCE_NAME(uniquifier) \ - _bsd_ ## uniquifier ## _sys_init_ref -#define C_SYSINIT(uniquifier, subsystem, order, func, ident) \ - struct sysinit SYSINIT_ENTRY_NAME(uniquifier) = { \ - subsystem, \ - order, \ - func, \ - (ident) \ - }; \ - RWDATA_SET(sysinit_set,SYSINIT_ENTRY_NAME(uniquifier)) -#define SYSINIT_REFERENCE(uniquifier) \ - extern struct sysinit SYSINIT_ENTRY_NAME(uniquifier); \ - static struct sysinit const * const \ - SYSINIT_REFERENCE_NAME(uniquifier) __used \ - = &SYSINIT_ENTRY_NAME(uniquifier) -#define SYSINIT_MODULE_REFERENCE(mod) \ - SYSINIT_REFERENCE(mod ## module) -#define SYSINIT_DRIVER_REFERENCE(driver, bus) \ - SYSINIT_MODULE_REFERENCE(driver ## _ ## bus) -#define SYSINIT_DOMAIN_REFERENCE(dom) \ - SYSINIT_REFERENCE(domain_add_ ## dom) -#endif /* __rtems__ */ -------------------------------------------------------------------------------- - -Here you see that the SYSINIT(9) entries are no longer static. The -\*_REFERENCE() macros will create references to the corresponding modules which -are later resolved by the linker. The application has to provide an object -file with references to all required FreeBSD modules. - -The FreeBSD device model is quite elaborated (with follow-ups): - -http://www.freebsd.org/cgi/man.cgi?query=driver - -The devices form a tree with the Nexus device at a high-level. This Nexus -device is architecture specific in FreeBSD. In RTEMS we have our own Nexus -device, see `rtemsbsd/bsp/bsp-bsd-nexus-devices.c`. - -=== SYSCTL_NODE Example - -During development, we had an undefined reference to -_bsd_sysctl__net_children that we had trouble tracking down. Thanks to -Chris Johns, we located it. He explained how to read SYSCTL_NODE -definitions. This line from freebsd/netinet/in_proto.c is attempting -to add the "inet" node to the parent node "_net". - ----- -SYSCTL_NODE(_net, PF_INET, inet, CTLFLAG_RW, 0, - "Internet Family"); ----- - -Our problem was that we could not find where _bsd_sysctl__net_children -was defined. Chris suggested that when in doubt compile with -save-temps -and look at the preprocessed .i files. But he did not need that. He -explained that this the symbol name _bsd_sysctl__net_children was -automatically generated by a SYSCTL_NODE as follows: - -* _bsd_ - added by RTEMS modifications to SYSCTL_NODE macro -* sysctl_ - boilerplace added by SYSCTL_NODE macro -* "" - empty string for parent node -* net - name of SYSCTL_NODE -* children - added by SYSCTL macros - -This was all generated by a support macro declaring the node as this: - ----- -struct sysctl_oid_list SYSCTL_NODE_CHILDREN(parent, name); ----- - -Given this information, we located this SYSCTL_NODE declaration in -kern/kern_mib.c - ----- -SYSCTL_NODE(, CTL_KERN, kern, CTLFLAG_RW, 0, - "High kernel, proc, limits &c"); ----- - -== Core FreeBSD APIs and RTEMS Replacements == - -=== SX(9) (Shared/exclusive locks) === - -http://www.freebsd.org/cgi/man.cgi?query=sx - -Binary semaphores (this neglects the ability to allow shared access). - -=== MUTEX(9) (Mutual exclusion) === - -http://www.freebsd.org/cgi/man.cgi?query=mutex - -Binary semaphores (not recursive mutexes are not supported this way). - -=== RWLOCK(9) (Reader/writer lock) === - -http://www.freebsd.org/cgi/man.cgi?query=rwlock - -POSIX r/w lock. - -=== RMLOCK(9) (Reader/writer lock optimized for mostly read access patterns) === - -Note: This object was implemented as a wrapper for RWLOCK in the rm_lock header file. - -http://www.freebsd.org/cgi/man.cgi?query=rmlock - -POSIX r/w lock. - -=== CONDVAR(9) (Condition variables) === - -http://www.freebsd.org/cgi/man.cgi?query=condvar - -POSIX condition variables with modifications (hack). - -=== CALLOUT(9) (Timer functions) === - -http://www.freebsd.org/cgi/man.cgi?query=callout - -Timer server. - -=== TASKQUEUE(9) (Asynchronous task execution) === - -http://www.freebsd.org/cgi/man.cgi?query=taskqueue - -TBD. - -=== KTHREAD(9), KPROC(9) (Tasks) === - -http://www.freebsd.org/cgi/man.cgi?query=kthread - -http://www.freebsd.org/cgi/man.cgi?query=kproc - -Tasks. - -=== ZONE(9) (Zone allocator) === - -http://www.freebsd.org/cgi/man.cgi?query=zone - -TBD. - -=== devfs (Device file system) === - -There is a minimal implementation based on IMFS. The mount point is fixed to -"/dev". Note that the devfs is only used by the cdev subsystem. cdev has been -adapted so that the full path (including the leading "/dev") is given to devfs. -This saves some copy operations. - -devfs_create() first creates the full path and then creates an IMFS generic node -for the device. - -TBD: remove empty paths on devfs_destroy(). - -=== psignal (Signals) === - -TBD. Seems to be not needed. - -=== poll, select === - -TBD. Seems to be not needed. - -=== RMAN(9) (Resource management) === - -http://www.freebsd.org/cgi/man.cgi?query=rman - -TBD. Seems to be not needed. - -=== DEVCLASS(9), DEVICE(9), DRIVER(9), MAKE_DEV(9) (Device management) === - -http://www.freebsd.org/cgi/man.cgi?query=devclass - -http://www.freebsd.org/cgi/man.cgi?query=device - -http://www.freebsd.org/cgi/man.cgi?query=driver - -http://www.freebsd.org/cgi/man.cgi?query=make_dev - -Use FreeBSD implementation as far as possible. FreeBSD has a nice API for -dynamic device handling. It may be interesting for RTEMS to use this API -internally in the future. - -=== BUS_SPACE(9), BUS_DMA(9) (Bus and DMA access) === - -http://www.freebsd.org/cgi/man.cgi?query=bus_space - -http://www.freebsd.org/cgi/man.cgi?query=bus_dma - -Likely BSP dependent. A default implementation for memory mapped linear access -is easy to provide. The current heap implementation supports all properties -demanded by bus_dma (including the boundary constraint). - -== RTEMS Replacements by File Description == - -Note: Files with a status of USB are used by the USB test and have at least -been partially tested. If they contain both USB and Nic, then they are used -by both and MAY contain methods that have not been tested yet. Files that -are only used by the Nic test are the most suspect. - ----- -rtems-libbsd File: rtems-bsd-assert.c -FreeBSD File: rtems-bsd-config.h redefines BSD_ASSERT. -Description: This file contains the support method rtems_bsd_assert_func(). -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-autoconf.c -FreeBSD File: FreeBSD has BSP specific autoconf.c -Description: This file contains configuration methods that are used to setup the system. -Status: USB - -rtems-libbsd File: rtems-bsd-bus-dma.c -FreeBSD File: FreeBSD has BSP specific busdma_machdep.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-bus-dma-mbuf.c -FreeBSD File: FreeBSD has BSP specific busdma_machdep.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-callout.c -FreeBSD File: kern/kern_timeout.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-cam.c -FreeBSD File: cam/cam_sim.c -Description: -Status: USB - -rtems-libbsd File: rtems-bsd-condvar.c -FreeBSD File: kern/kern_condvar.c -Description: -Status: USB - -rtems-libbsd File: rtems-bsd-copyinout.c -FreeBSD File: bsp specific copyinout.c ) -Description: Note: The FreeBSD file is split with some methods being in rtems-bsd-support -Status: Nic - -rtems-libbsd File: rtems-bsd-delay.c -FreeBSD File: bsp specific file with multiple names -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-descrip.c -FreeBSD File: kern/kern_descrip.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-generic.c -FreeBSD File: kern/sys_generic.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-init.c -FreeBSD File: N/A -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-init-with-irq.c -FreeBSD File: N/A -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-jail.c -FreeBSD File: kern/kern_jail.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-lock.c -FreeBSD File: kern/subr_lock.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-log.c -FreeBSD File: kern/subr_prf.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-malloc.c -FreeBSD File: kern/kern_malloc.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-mutex.c -FreeBSD File: kern/kern_mutex.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-newproc.c -FreeBSD File: N/A -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-nexus.c -FreeBSD File: bsp specific nexus.c -Description: -Status: USB - -rtems-libbsd File: rtems-bsd-panic.c -FreeBSD File: boot/common/panic.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-rwlock.c -FreeBSD File: kern_rwlock.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-shell.c -FreeBSD File: N/A -Description: -Status: USB - -rtems-libbsd File: rtems-bsd-signal.c -FreeBSD File: kern/kern_sig.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-smp.c -FreeBSD File: N/A -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-support.c -FreeBSD File: bsp specific copyinout.c -Description: Note: the FreeBSD file is split with some methods being in rtems-bsd-copyinout. -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-sx.c -FreeBSD File: kern/kern_sx.c -Description: Status: USB, Nic - -rtems-libbsd File: rtems-bsd-synch.c -FreeBSD File: kern/kern_synch.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-syscalls.c -FreeBSD File: User API for kern/uipc_syscalls.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-sysctlbyname.c -FreeBSD File: User API for sysctlbyname(3) -Description: -Status: - -rtems-libbsd File: rtems-bsd-sysctl.c -FreeBSD File: User API for sysctl(8) -Description: -Status: - -rtems-libbsd File: rtems-bsd-sysctlnametomib.c -FreeBSD File: User API for sysctlnametomib -Description: -Status: - -rtems-libbsd File: rtems-bsd-taskqueue.c -FreeBSD File: kern/subr_taskqueue.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-thread.c -FreeBSD File: kern/kern_kthread.c -Description: -Status: USB, Nic - -rtems-libbsd File: rtems-bsd-timeout.c -FreeBSD File: kern/kern_timeout.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-timesupport.c -FreeBSD File: kern/kern_clock.c -Description: -Status: Nic - -rtems-libbsd File: rtems-bsd-vm_glue.c -FreeBSD File: vm/vm_glue.c -Description: -Status: USB, Nic ----- - -== Notes by File == - -altq_subr.c - Arbitrary choices were made in this file that RTEMS would -not support tsc frequency change. Additionally, the clock frequency -for machclk_freq is always measured for RTEMS. - -conf.h - In order to add make_dev and destroy_dev, variables in the cdev -structure that were not being used were conditionally compiled out. The -capability of supporting children did not appear to be needed and was -not implemented in the rtems version of these routines. - -== NICs Status == - ----- -Driver Symbol Status -====== ====== ====== -RealTek _bsd_re_pcimodule_sys_init Links -EtherExpress _bsd_fxp_pcimodule_sys_init Links -DEC tulip _bsd_dc_pcimodule_sys_init Links -Broadcom BCM57xxx _bsd_bce_pcimodule_sys_init Links -Broadcom BCM4401 _bsd_bfe_pcimodule_sys_init Links -Broadcom BCM570x _bsd_bge_pcimodule_sys_init Needs Symbols (A) -E1000 IGB _bsd_igb_pcimodule_sys_init Links -E1000 EM _bsd_em_pcimodule_sys_init Links -Cadence ? Links, works. ----- - -To add a NIC edit rtemsbsd/include/bsp/nexus-devices.h and add the driver -reference to the architecture and/or BSP. For example to add the RealTek driver -add: - -SYSINIT_DRIVER_REFERENCE(re, pci); - -and to add the MII PHY driver add: - -SYSINIT_DRIVER_REFERENCE(rge, miibus); - -The PC BSP has these entries. - -Symbols (A) - pci_get_vpd_ident - -=== Cadence === - -The cadence driver works on the Xilinx Zynq platform. The hardware checksum -support works on real hardware but does not seem to be supported on qemu -therefore the default state is to disable TXCSUM and RXCSUM and this can be -enabled from the shell with: - - # ifconfig cgem0 rxcsum txcsum - -or with an ioctl call to the network interface driver with SIOCSIFCAP and the -mask IFCAP_TXCSUM and IFCAP_RXCSUM set. - -== PF (Firewall) == - -It is possible to use PF as a firewall. See -[https://www.freebsd.org/doc/handbook/firewalls-pf.html] for details on the -range of functions and for how to configure the firewall. - -The following is necessary to use PF on RTEMS: - -- You have to provide a +/etc/pf.os+ file. The firewall can use it for passive - OS fingerprinting. If you don't want to use this feature, the file may contain - nothing except a line of comment (for example "# empty"). - -- If some filters use protocol names (like tcp or udp) you have to provide a - +/etc/protocols+ file. - -- If some filters use service names (like ssh or http) you have to provide a - +/etc/services+ file. - -- Create a rule file (normally +/etc/pf.conf+). See the FreeBSD manual for the - syntax. - -- Load the rule file using the pfctl command and enable pf. Please note that the - pfctl command needs a lot of stack. You should use at least - RTEMS_MINIMUM_STACK_SIZE + 8192 Bytes of stack. An example initialisation can - look like follows: - ----- - int exit_code; - char *params[] = { - "pfctl", - "-f", - "/etc/pf.conf", - "-e", - NULL - }; - - exit_code = rtems_bsd_command_pfctl(ARGC(params), params); - assert(exit_code == EXIT_SUCCSESS); ----- - -=== Known restrictions === - -- Currently PF on RTEMS always uses the configuration for memory restricted - systems (on FreeBSD that means systems with less than 100 MB RAM). This is - fixed in +pfctl_init_options()+. - -== Wireless Network (WLAN) == - -The libbsd provides a basic support for WLAN. Note that currently this support -is still in an early state. The WLAN support is _not_ enabled in the default -buildset. You have to configure libbsd with the -`--buildset=buildset/everything.ini` to enable that feature. - -The following gives a rough overview over the necessary steps to connect to an -encrypted network with an RTL8188EU based WiFi dongle: - -- Reference all necessary module for your BSP. For some BSPs this is already - done in the nexus-devices.h: - ----- - SYSINIT_MODULE_REFERENCE(wlan_ratectl_none); - SYSINIT_MODULE_REFERENCE(wlan_sta); - SYSINIT_MODULE_REFERENCE(wlan_amrr); - SYSINIT_MODULE_REFERENCE(wlan_wep); - SYSINIT_MODULE_REFERENCE(wlan_tkip); - SYSINIT_MODULE_REFERENCE(wlan_ccmp); - SYSINIT_DRIVER_REFERENCE(rtwn_usb, uhub); - SYSINIT_REFERENCE(rtwn_rtl8188eufw); ----- - -- Create your wlan device using ifconfig: - +ifconfig wlan0 create wlandev rtwn0 up+ - -- Start a wpa_supplicant instance for that device: - + wpa_supplicant_fork -Dbsd -iwlan0 -c/media/mmcsd-0-0/wpa_supplicant.conf+ - -Note that the wpa_supplicant will only be active till the device goes down. A -workaround is to just restart it every time it exits. - -=== Known restrictions === - -- The network interface (e.g. wlan0) is currently not automatically created. It - would be nice, if some service would create it as soon as for example a USB - device is connected. In FreeBSD the names are assigned via rc.conf with lines - like +wlans_rtwn0="wlan0"+. - -- wpa_supplicant hast to be started after the device is created. It has to be - restarted every time the connection goes down. Instead of this behaviour, - there should be some service that starts and restarts wpa_supplicant - automatically if a interface is ready. Probably the dhcpcd hooks could be used - for that. - -- The current wpa_supplicant implementation is protected with a lock so it can't - be started more than one time. If multiple interface should be used, all have - to be handled by that single instance. That makes it hard to add interfaces - dynamically. wpa_supplicant should be reviewed thoroughly whether multiple - instances could be started in parallel. - -- The control interface of wpa_supplicant most likely doesn't work. The wpa_cli - application is not ported. - -== IPSec == - -The IPSec support is optional in libbsd. It is disabled in the default build -set. Please make sure to use a build set with +netipsec = on+. - -To use IPSec the following configuration is necessary: - ----- -SYSINIT_MODULE_REFERENCE(if_gif); -SYSINIT_MODULE_REFERENCE(cryptodev); -RTEMS_BSD_RC_CONF_SYSINT(rc_conf_ipsec) -RTEMS_BSD_DEFINE_NEXUS_DEVICE(cryptosoft, 0, 0, NULL); ----- - -Alternatively you can use the `RTEMS_BSD_CONFIG_IPSEC` which also includes the -rc.conf support for ipsec. It's still necessary to include a crypto device in -your config (`cryptosoft` in the above sample). - -The necessary initialization steps for a IPSec connection are similar to the -steps on a FreeBSD-System. The example assumes the following setup: - -- RTEMS external IP: 192.168.10.1/24 -- RTEMS internal IP: 10.10.1.1/24 -- remote external IP: 192.168.10.10/24 -- remote internal IP: 172.24.0.1/24 -- shared key: "mysecretkey" - -With this the following steps are necessary: - -- Create a gif0 device: - ----- -SHLL [/] # ifconfig gif0 create ----- - -- Configure the gif0 device: - ----- -SHLL [/] # ifconfig gif0 10.10.1.1 172.24.0.1 -SHLL [/] # ifconfig gif0 tunnel 192.168.10.1 192.168.10.10 ----- - -- Add a route to the remote net via the remote IP: - ----- -SHLL [/] # route add 172.24.0.0/24 172.24.0.1 ----- - -- Call `setkey` with a correct rule set: - ----- -SHLL [/] # cat /etc/setkey.conf -flush; -spdflush; -spdadd 10.10.1.0/24 172.24.0.0/24 any -P out ipsec esp/tunnel/192.168.10.1-192.168.10.10/use; -spdadd 172.24.0.0/24 10.10.1.0/24 any -P in ipsec esp/tunnel/192.168.10.10-192.168.10.1/use; -SHLL [/] # setkey -f /etc/setkey.conf ----- - -- Start a ike-daemon (racoon) with a correct configuration. ----- -SHLL [/] # cat /etc/racoon.conf -path pre_shared_key "/etc/racoon_psk.txt"; -log info; - -padding # options are not to be changed -{ - maximum_length 20; - randomize off; - strict_check off; - exclusive_tail off; -} - -listen # address [port] that racoon will listen on -{ - isakmp 192.168.10.1[500]; -} - -remote 192.168.10.10 [500] -{ - exchange_mode main; - my_identifier address 192.168.10.1; - peers_identifier address 192.168.10.10; - proposal_check obey; - - proposal { - encryption_algorithm 3des; - hash_algorithm md5; - authentication_method pre_shared_key; - lifetime time 3600 sec; - dh_group 2; - } -} - -sainfo (address 10.10.1.0/24 any address 172.24.0.0/24 any) -{ - pfs_group 2; - lifetime time 28800 sec; - encryption_algorithm 3des; - authentication_algorithm hmac_md5; - compression_algorithm deflate; -} -SHLL [/] # cat /etc/racoon_psk.txt -192.168.10.10 mysecretkey -SHLL [/] # racoon -F -f /etc/racoon.conf ----- - -All commands can be called via the respective API functions. For racoon there is -a `rtems_bsd_racoon_daemon()` function that forks of racoon as a task. - -Alternatively IPSec can also be configured via rc.conf entries: - ----- -cloned_interfaces="gif0" -ifconfig_gif0="10.10.1.1 172.24.0.1 tunnel 192.168.10.1 192.168.10.10" -ike_enable="YES" -ike_program="racoon" -ike_flags="-F -f /etc/racoon.conf" -ike_priority="250" - -ipsec_enable="YES" -ipsec_file="/etc/setkey.conf" ----- - -ATTENTION: It is possible that the first packets slip through the tunnel without -encryption (true for FreeBSD as well as RTEMS). You might want to set up a -firewall rule to prevent that. - -== Problems to report to FreeBSD == - -The MMAP_NOT_AVAILABLE define is inverted on its usage. When it is -defined the mmap method is called. Additionally, it is not used -thoroughly. It is not used in the unmap portion of the source. -The file rec_open.c uses the define MMAP_NOT_AVAILABLE to wrap -the call to mmap and file rec_close.c uses the munmap method. diff --git a/rtemsbsd/arm/include/arm/lpc/probe.h b/rtemsbsd/arm/include/arm/lpc/probe.h new file mode 100644 index 00000000..54f9ebda --- /dev/null +++ b/rtemsbsd/arm/include/arm/lpc/probe.h @@ -0,0 +1,43 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/* + * Copyright (C) 2022 embedded brains GmbH (http://www.embedded-brains.de) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _ARM_LPC_PROBE_H +#define _ARM_LPC_PROBE_H + +#ifdef __cplusplus +extern "C" { +#endif + +int lpc_eth_probe(int unit); + +int lpc_ohci_probe(int unit); + +#ifdef __cplusplus +} +#endif + +#endif /* _ARM_LPC_PROBE_H */ diff --git a/rtemsbsd/include/bsp/mv643xx_eth.h b/rtemsbsd/include/bsp/mv643xx_eth.h new file mode 100644 index 00000000..7d122cd6 --- /dev/null +++ b/rtemsbsd/include/bsp/mv643xx_eth.h @@ -0,0 +1,397 @@ +/* Acknowledgement: + * + * Valuable information for developing this driver was obtained + * from the linux open-source driver mv643xx_eth.c which was written + * by the following people and organizations: + * + * Matthew Dharm <mdharm@momenco.com> + * rabeeh@galileo.co.il + * PMC-Sierra, Inc., Manish Lachwani + * Ralf Baechle <ralf@linux-mips.org> + * MontaVista Software, Inc., Dale Farnsworth <dale@farnsworth.org> + * Steven J. Hill <sjhill1@rockwellcollins.com>/<sjhill@realitydiluted.com> + * + * Note however, that in spite of the identical name of this file + * (and some of the symbols used herein) this file provides a + * new implementation and is the original work by the author. + */ + +/* + * Authorship + * ---------- + * This software (mv643xx ethernet driver for RTEMS) was + * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007, + * Stanford Linear Accelerator Center, Stanford University. + * + * Acknowledgement of sponsorship + * ------------------------------ + * The 'mv643xx ethernet driver for RTEMS' was produced by + * the Stanford Linear Accelerator Center, Stanford University, + * under Contract DE-AC03-76SFO0515 with the Department of Energy. + * + * Government disclaimer of liability + * ---------------------------------- + * Neither the United States nor the United States Department of Energy, + * nor any of their employees, makes any warranty, express or implied, or + * assumes any legal liability or responsibility for the accuracy, + * completeness, or usefulness of any data, apparatus, product, or process + * disclosed, or represents that its use would not infringe privately owned + * rights. + * + * Stanford disclaimer of liability + * -------------------------------- + * Stanford University makes no representations or warranties, express or + * implied, nor assumes any liability for the use of this software. + * + * Stanford disclaimer of copyright + * -------------------------------- + * Stanford University, owner of the copyright, hereby disclaims its + * copyright and all other rights in this software. Hence, anyone may + * freely use it for any purpose without restriction. + * + * Maintenance of notices + * ---------------------- + * In the interest of clarity regarding the origin and status of this + * SLAC software, this and all the preceding Stanford University notices + * are to remain affixed to any copy or derivative of this software made + * or distributed by the recipient and are to be affixed to any copy of + * software made or distributed by the recipient that contains a copy or + * derivative of this software. + * + * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 + */ + +#ifndef MV643XX_LOWLEVEL_DRIVER_H +#define MV643XX_LOWLEVEL_DRIVER_H + +#ifdef __cplusplus +extern "C" { +#endif + +#define MV643XXETH_NUM_DRIVER_SLOTS 2 + +struct mveth_private; + +/* Create interface. + * Allocates resources for descriptor rings and sets up the driver software structure. + * + * Arguments: + * unit: + * interface # (1..2). The interface must not be attached to BSD. + * + * driver_tid: + * optional driver task-id (can be retrieved with BSP_mve_get_tid()). + * Not used by the low-level driver. + * + * isr(isr_arg): + * user ISR. + * + * void (*cleanup_txbuf)(void *user_buf, void *cleanup_txbuf_arg, int error_on_tx_occurred): + * Pointer to user-supplied callback to release a buffer that had been sent + * by BSP_mve_send_buf() earlier. The callback is passed 'cleanup_txbuf_arg' + * and a flag indicating whether the send had been successful. + * The driver no longer accesses 'user_buf' after invoking this callback. + * CONTEXT: This callback is executed either by BSP_mve_swipe_tx() or + * BSP_mve_send_buf(), BSP_mve_init_hw(), BSP_mve_stop_hw() (the latter + * ones calling BSP_mve_swipe_tx()). + * void *cleanup_txbuf_arg: + * Closure argument that is passed on to 'cleanup_txbuf()' callback; + * + * void *(*alloc_rxbuf)(int *p_size, unsigned long *p_data_addr), + * Pointer to user-supplied callback to allocate a buffer for subsequent + * insertion into the RX ring by the driver. + * RETURNS: opaque handle to the buffer (which may be a more complex object + * such as an 'mbuf'). The handle is not used by the driver directly + * but passed back to the 'consume_rxbuf()' callback. + * Size of the available data area and pointer to buffer's data area + * in '*psize' and '*p_data_area', respectively. + * If no buffer is available, this routine should return NULL in which + * case the driver drops the last packet and re-uses the last buffer + * instead of handing it out to 'consume_rxbuf()'. + * CONTEXT: Called when initializing the RX ring (BSP_mve_init_hw()) or when + * swiping it (BSP_mve_swipe_rx()). + * + * + * void (*consume_rxbuf)(void *user_buf, void *consume_rxbuf_arg, int len); + * Pointer to user-supplied callback to pass a received buffer back to + * the user. The driver no longer accesses the buffer after invoking this + * callback (with 'len'>0, see below). 'user_buf' is the buffer handle + * previously generated by 'alloc_rxbuf()'. + * The callback is passed 'cleanup_rxbuf_arg' and a 'len' + * argument giving the number of bytes that were received. + * 'len' may be <=0 in which case the 'user_buf' argument is NULL. + * 'len' == 0 means that the last 'alloc_rxbuf()' had failed, + * 'len' < 0 indicates a receiver error. In both cases, the last packet + * was dropped/missed and the last buffer will be re-used by the driver. + * NOTE: the data are 'prefixed' with two bytes, i.e., the ethernet packet header + * is stored at offset 2 in the buffer's data area. Also, the FCS (4 bytes) + * is appended. 'len' accounts for both. + * CONTEXT: Called from BSP_mve_swipe_rx(). + * void *cleanup_rxbuf_arg: + * Closure argument that is passed on to 'consume_rxbuf()' callback; + * + * rx_ring_size, tx_ring_size: + * How many big to make the RX and TX descriptor rings. Note that the sizes + * may be 0 in which case a reasonable default will be used. + * If either ring size is < 0 then the RX or TX will be disabled. + * Note that it is illegal in this case to use BSP_mve_swipe_rx() or + * BSP_mve_swipe_tx(), respectively. + * + * irq_mask: + * Interrupts to enable. OR of flags from above. + * + */ + +/* Direct assignment of MVE flags to user API relies on irqs and x-irqs not overlapping */ +#define MV643XX_ETH_IRQ_RX_DONE (1<<2) +#define MV643XX_ETH_EXT_IRQ_TX_DONE (1<<0) +#define MV643XX_ETH_EXT_IRQ_LINK_CHG (1<<16) + +struct mveth_private * +BSP_mve_create( + int unit, + rtems_id tid, + void (*isr)(void*isr_arg), + void *isr_arg, + void (*cleanup_txbuf)(void *user_buf, void *closure, int error_on_tx_occurred), + void *cleanup_txbuf_arg, + void *(*alloc_rxbuf)(int *p_size, uintptr_t *p_data_addr), + void (*consume_rxbuf)(void *user_buf, void *closure, int len), + void *consume_rxbuf_arg, + int rx_ring_size, + int tx_ring_size, + int irq_mask +); + +/* + * Clear multicast hash filter. No multicast frames are accepted + * after executing this routine (unless the hardware was initialized + * in 'promiscuous' mode). + */ +void +BSP_mve_mcast_filter_clear(struct mveth_private *mp); + +/* + * Program multicast filter to accept all multicast frames + */ +void +BSP_mve_mcast_filter_accept_all(struct mveth_private *mp); + +/* + * Add a MAC address to the multicast filter. + * Existing entries are not changed but note that + * the filter is imperfect, i.e., multiple MAC addresses + * may alias to a single filter entry. Hence software + * filtering must still be performed. + * + * If a higher-level driver implements IP multicasting + * then multiple IP addresses may alias to the same MAC + * address. This driver maintains a 'reference-count' + * which is incremented every time the same MAC-address + * is passed to this routine; the address is only removed + * from the filter if BSP_mve_mcast_filter_accept_del() + * is called the same number of times (or by BSP_mve_mcast_filter_clear). + */ +void +BSP_mve_mcast_filter_accept_add(struct mveth_private *mp, unsigned char *enaddr); + +/* + * Remove a MAC address from the multicast filter. + * This routine decrements the reference count of the given + * MAC-address and removes it from the filter once the + * count reaches zero. + */ +void +BSP_mve_mcast_filter_accept_del(struct mveth_private *mp, unsigned char *enaddr); + + +/* Enable/disable promiscuous mode */ +void +BSP_mve_promisc_set(struct mveth_private *mp, int promisc); + +/* calls BSP_mve_stop_hw(), releases all resources and marks the interface + * as unused. + * RETURNS 0 on success, nonzero on failure. + * NOTE: the handle MUST NOT be used after successful execution of this + * routine. + */ +int +BSP_mve_detach(struct mveth_private *mp); + +/* Enqueue a buffer chain for transmission. + * + * RETURN: #bytes sent or -1 if there are not enough descriptors + * -2 is returned if the caller should attempt to + * repackage the chain into a smaller one. + * + * Comments: software cache-flushing incurs a penalty if the + * packet cannot be queued since it is flushed anyways. + * The algorithm is slightly more efficient in the normal + * case, though. + */ + +typedef struct MveEthBufIter { + void *hdl; /* opaque handle for the iterator implementor */ + void *data; /* data to be sent */ + size_t len; /* data size (in octets) */ + void *uptr; /* user-pointer to go into the descriptor; + note: cleanup_txbuf is only called for desriptors + where this field is non-NULL (for historical + reasons) */ +} MveEthBufIter; + +typedef MveEthBufIter *(*MveEthBufIterNext)(MveEthBufIter*); + +int +BSP_mve_send_buf_chain(struct mveth_private *mp, MveEthBufIterNext next, MveEthBufIter *it); + + +/* Legacy entry point to send a header + a buffer */ +int +BSP_mve_send_buf_raw(struct mveth_private *mp, void *head_p, int h_len, void *data_p, int d_len); + +/* Descriptor scavenger; cleanup the TX ring, passing all buffers + * that have been sent to the cleanup_tx() callback. + * This routine is called from BSP_mve_send_buf(), BSP_mve_init_hw(), + * BSP_mve_stop_hw(). + * + * RETURNS: number of buffers processed. + */ +int +BSP_mve_swipe_tx(struct mveth_private *mp); + +/* Retrieve all received buffers from the RX ring, replacing them + * by fresh ones (obtained from the alloc_rxbuf() callback). The + * received buffers are passed to consume_rxbuf(). + * + * RETURNS: number of buffers processed. + */ +int +BSP_mve_swipe_rx(struct mveth_private *mp); + +/* read ethernet address from hw to buffer */ +void +BSP_mve_read_eaddr(struct mveth_private *mp, unsigned char *oeaddr); + +/* Interrupt related routines */ + +/* Note: the BSP_mve_enable/disable/ack_irqs() entry points + * are deprecated. + * The newer API where the user passes a mask allows + * for more selective control. + */ + +/* Enable all supported interrupts at device */ +void +BSP_mve_enable_irqs(struct mveth_private *mp); + +/* Disable all supported interrupts at device */ +void +BSP_mve_disable_irqs(struct mveth_private *mp); + +/* Acknowledge (and clear) all supported interrupts. + * RETURNS: interrupts that were raised. + */ +uint32_t +BSP_mve_ack_irqs(struct mveth_private *mp); + +/* Enable interrupts included in 'mask' (leaving + * already enabled interrupts on). If the mask + * includes bits that were not passed to the 'setup' + * routine then the behavior is undefined. + */ +void +BSP_mve_enable_irq_mask(struct mveth_private *mp, uint32_t irq_mask); + +/* Disable interrupts included in 'mask' (leaving + * other ones that are currently enabled on). If the + * mask includes bits that were not passed to the 'setup' + * routine then the behavior is undefined. + * + * RETURNS: Bitmask of interrupts that were enabled upon entry + * into this routine. This can be used to restore the + * previous state. + */ +uint32_t +BSP_mve_disable_irq_mask(struct mveth_private *mp, uint32_t irq_mask); + +/* Acknowledge and clear selected interrupts. + * + * RETURNS: All pending interrupts. + * + * NOTE: Only pending interrupts contained in 'mask' + * are cleared. Others are left pending. + * + * This routine can be used to check for pending + * interrupts (pass mask == 0) or to clear all + * interrupts (pass mask == -1). + */ +uint32_t +BSP_mve_ack_irq_mask(struct mveth_private *mp, uint32_t mask); + +/* Retrieve the driver daemon TID that was passed to + * BSP_mve_setup(). + */ + +rtems_id +BSP_mve_get_tid(struct mveth_private *mp); + +/* Dump statistics to file (stdout if NULL) + * + * NOTE: this routine is not thread safe + */ +void +BSP_mve_dump_stats(struct mveth_private *mp, FILE *f); + +#define MV643XX_MEDIA_LINK (1<<0) +#define MV643XX_MEDIA_FD (1<<1) +#define MV643XX_MEDIA_10 (1<<8) +#define MV643XX_MEDIA_100 (2<<8) +#define MV643XX_MEDIA_1000 (3<<8) +#define MV643XX_MEDIA_SPEED_MSK (0xff00) + +/* + * Initialize interface hardware + * + * 'mp' handle obtained by from BSP_mve_setup(). + * 'promisc' whether to set promiscuous flag. + * 'enaddr' pointer to six bytes with MAC address. Read + * from the device if NULL. + * 'speed' current speed and link status as read from the PHY. + * + * Note: Multicast filters are cleared by this routine. + * However, in promiscuous mode the mcast filters + * are programmed to accept all multicast frames. + */ +void +BSP_mve_init_hw(struct mveth_private *mp, int promisc, unsigned char *enaddr, int speed); + +/* + * Update the serial port to a new speed (e.g., result of a PHY IRQ) + */ +void +BSP_mve_update_serial_port(struct mveth_private *mp, int speed); + +/* + * Shutdown hardware and clean out the rings + */ +void +BSP_mve_stop_hw(struct mveth_private *mp); + +unsigned +BSP_mve_mii_read(struct mveth_private *mp, unsigned addr); + +unsigned +BSP_mve_mii_write(struct mveth_private *mp, unsigned addr, unsigned v); + +unsigned +BSP_mve_mii_read_early(int port, unsigned addr); + +unsigned +BSP_mve_mii_write_early(int port, unsigned addr, unsigned v); + +#ifdef __cplusplus +}; +#endif + +#endif diff --git a/rtemsbsd/include/bsp/nexus-devices.h b/rtemsbsd/include/bsp/nexus-devices.h index e6487470..37008cc6 100644 --- a/rtemsbsd/include/bsp/nexus-devices.h +++ b/rtemsbsd/include/bsp/nexus-devices.h @@ -173,6 +173,14 @@ SYSINIT_DRIVER_REFERENCE(simplebus, ofwbus); SYSINIT_DRIVER_REFERENCE(ffec, simplebus); SYSINIT_DRIVER_REFERENCE(ksz8091rnb, miibus); +#if IMXRT_IS_MIMXRT11xx +SYSINIT_DRIVER_REFERENCE(ehci, simplebus); +SYSINIT_DRIVER_REFERENCE(imxrt1166_usbphy, simplebus); +SYSINIT_DRIVER_REFERENCE(usbus, ehci); +RTEMS_BSD_DRIVER_USB; +RTEMS_BSD_DRIVER_USB_MASS; +#endif /* IMXRT_IS_IMXRT11xx */ + #elif defined(LIBBSP_ARM_LPC24XX_BSP_H) RTEMS_BSD_DEFINE_NEXUS_DEVICE(ohci, 0, 0, NULL); @@ -251,6 +259,11 @@ SYSINIT_DRIVER_REFERENCE(ukphy, miibus); RTEMS_BSD_DEFINE_NEXUS_DEVICE(fec, 0, 0, NULL); SYSINIT_DRIVER_REFERENCE(ukphy, miibus); +#elif defined(LIBBSP_BEATNIK_BSP_H) + +RTEMS_BSD_DEFINE_NEXUS_DEVICE(mve, 0, 0, NULL); +SYSINIT_DRIVER_REFERENCE(ukphy, miibus); + #elif defined(LIBBSP_POWERPC_MOTOROLA_POWERPC_BSP_H) RTEMS_BSD_DRIVER_PC_LEGACY; diff --git a/rtemsbsd/include/machine/_kernel_if.h b/rtemsbsd/include/machine/_kernel_if.h index 08086658..16733fe3 100644 --- a/rtemsbsd/include/machine/_kernel_if.h +++ b/rtemsbsd/include/machine/_kernel_if.h @@ -41,6 +41,20 @@ MALLOC_DECLARE(M_IFADDR); MALLOC_DECLARE(M_IFMADDR); #endif +extern struct sx ifnet_detach_sxlock; + +struct nvlist; +struct ifcap_nv_bit_name; +int if_capnv_to_capint(const struct nvlist *nv, int *old_cap, + const struct ifcap_nv_bit_name *nn, bool all); +void if_capint_to_capnv(struct nvlist *nv, + const struct ifcap_nv_bit_name *nn, int ifr_cap, int ifr_req); +struct siocsifcapnv_driver_data { + int reqcap; + int reqcap2; + struct nvlist *nvcap; +}; + #define ifr_buffer ifr_ifru.ifru_buffer /* user supplied buffer with its length */ #define ifr_data ifr_ifru.ifru_data /* for use by interface */ diff --git a/rtemsbsd/include/machine/_kernel_socket.h b/rtemsbsd/include/machine/_kernel_socket.h index e9acc744..3acee460 100644 --- a/rtemsbsd/include/machine/_kernel_socket.h +++ b/rtemsbsd/include/machine/_kernel_socket.h @@ -46,6 +46,7 @@ #define MSG_SOCALLBCK 0x00010000 /* for use by socket callbacks - soreceive (TCP) */ #define MSG_MORETOCOME 0x00100000 /* additional data pending */ +#define MSG_TLSAPPDATA 0x00200000 /* do not soreceive() alert rec. (TLS) */ #define CMSG_ALIGN(n) _ALIGN(n) diff --git a/rtemsbsd/include/machine/rtems-bsd-cache.h b/rtemsbsd/include/machine/rtems-bsd-cache.h index 73b55e25..e292b216 100755 --- a/rtemsbsd/include/machine/rtems-bsd-cache.h +++ b/rtemsbsd/include/machine/rtems-bsd-cache.h @@ -45,7 +45,7 @@ #if defined(LIBBSP_ARM_LPC24XX_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && defined(LPC32XX_DISABLE_MMU)) /* No cache */ #elif defined(LIBBSP_ARM_ALTERA_CYCLONE_V_BSP_H) || \ - defined(LIBBSP_ARM_XILINX_ZYNQ_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && !defined(LPC32XX_DISABLE_MMU)) || defined(LIBBSP_ARM_IMX_BSP_H) + defined(LIBBSP_ARM_XILINX_ZYNQ_BSP_H) || (defined(LIBBSP_ARM_LPC32XX_BSP_H) && !defined(LPC32XX_DISABLE_MMU)) || defined(LIBBSP_ARM_IMX_BSP_H) || defined(LIBBSP_ARM_IMXRT_BSP_H) /* With cache, no coherency support in hardware */ #define CPU_DATA_CACHE_ALIGNMENT 32 #elif defined(__GEN83xx_BSP_h) diff --git a/rtemsbsd/include/machine/rtems-bsd-kernel-space.h b/rtemsbsd/include/machine/rtems-bsd-kernel-space.h index 09bcecf1..f2f1b91f 100644 --- a/rtemsbsd/include/machine/rtems-bsd-kernel-space.h +++ b/rtemsbsd/include/machine/rtems-bsd-kernel-space.h @@ -55,6 +55,12 @@ /* General define to activate BSD kernel parts */ #define _KERNEL 1 +/* REVIEW-AFTER-FREEBSD-BASELINE-UPDATE */ +#define IN_HISTORICAL_NETS + +/* REVIEW-AFTER-FREEBSD-BASELINE-UPDATE */ +#define IFCAP_NOMAP 0x4000000 + #include <machine/rtems-bsd-version.h> #include <machine/rtems-bsd-kernel-namespace.h> diff --git a/rtemsbsd/include/machine/rtems-bsd-program.h b/rtemsbsd/include/machine/rtems-bsd-program.h index f71ac9cd..3062c1a2 100644 --- a/rtemsbsd/include/machine/rtems-bsd-program.h +++ b/rtemsbsd/include/machine/rtems-bsd-program.h @@ -60,6 +60,12 @@ rtems_bsd_program_call_main_with_data_restore(const char *name, int (*main)(int, char **), int argc, char **argv, void *data_buf, const size_t data_size); +void * +rtems_bsd_program_add_destructor(void (*destructor)(void *), void *arg); + +void +rtems_bsd_program_remove_destructor(void *cookie, bool call); + void rtems_bsd_program_exit(int exit_code) __dead2; @@ -198,7 +204,7 @@ rtems_bsd_program_free(void *ptr); #endif #ifndef RTEMS_BSD_PROGRAM_NO_FREE_WRAP - #define free(ptr) rtems_bsd_program_free(ptr); + #define free(ptr) rtems_bsd_program_free(ptr) #endif __END_DECLS diff --git a/rtemsbsd/include/machine/rtems-bsd-user-space.h b/rtemsbsd/include/machine/rtems-bsd-user-space.h index 28d5dd5a..93113b9c 100644 --- a/rtemsbsd/include/machine/rtems-bsd-user-space.h +++ b/rtemsbsd/include/machine/rtems-bsd-user-space.h @@ -41,6 +41,7 @@ #define _RTEMS_BSD_MACHINE_RTEMS_BSD_USER_SPACE_H_ #define __FreeBSD__ 1 +#define _WANT_FREEBSD_BITSET #include <rtems/bsd/local/opt_inet6.h> #include <machine/rtems-bsd-version.h> @@ -49,6 +50,9 @@ #include <stdio.h> +/* REVIEW-AFTER-FREEBSD-BASELINE-UPDATE */ +#define IFCAP_NOMAP 0x4000000 + #define O_CLOEXEC 0 #define O_DIRECTORY 0 diff --git a/rtemsbsd/include/rtems/bsd/bsd.h b/rtemsbsd/include/rtems/bsd/bsd.h index cec14ac4..9e524719 100755 --- a/rtemsbsd/include/rtems/bsd/bsd.h +++ b/rtemsbsd/include/rtems/bsd/bsd.h @@ -92,28 +92,6 @@ typedef struct { rtems_status_code rtems_bsd_initialize(void); /** - * @brief Initializes the libbsd and starts a DHCPCD task. - * - * The libbsd is initialized via rtems_bsd_initialize(). If this is - * successful, then the loop back interfaces are created. If this is - * successful, then a DHCPCD task is started at the least important priority. - * - * The default devices of the BSP are initialized. Support for - * - IF_BRIDGE(4), - * - LAGG(4), - * - multicast routing, - * - UNIX(4), and - * - VLAN(4), - * is enabled. - * - * No RTEMS shell commands are registered. - * - * @retval RTEMS_SUCCESSFUL Successful operation. - * @retval otherwise An error occurred. - */ -rtems_status_code rtems_bsd_initialize_dhcp(void); - -/** * @brief Configures the lo0 (loopback) interface. * * @return Returns an exit code, see also <sysexits.h>. diff --git a/rtemsbsd/nfsclient/nfs.c b/rtemsbsd/nfsclient/nfs.c index baada6ce..e9e83abb 100644 --- a/rtemsbsd/nfsclient/nfs.c +++ b/rtemsbsd/nfsclient/nfs.c @@ -3114,7 +3114,7 @@ rtems_filesystem_location_info_t old; rtems_filesystem_current->location = old; } rtems_semaphore_release(rpa->sync); - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } diff --git a/rtemsbsd/pppd/rtemspppd.c b/rtemsbsd/pppd/rtemspppd.c index cf237a81..c001eff5 100644 --- a/rtemsbsd/pppd/rtemspppd.c +++ b/rtemsbsd/pppd/rtemspppd.c @@ -71,7 +71,7 @@ static rtems_task pppTask(rtems_task_argument arg) /* terminate myself */ rtems_pppd_taskid = 0; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } int rtems_pppd_initialize(void) diff --git a/rtemsbsd/rtems/program-internal.h b/rtemsbsd/rtems/program-internal.h index da817130..2104c064 100644 --- a/rtemsbsd/rtems/program-internal.h +++ b/rtemsbsd/rtems/program-internal.h @@ -60,6 +60,12 @@ struct program_allocmem_item { LIST_ENTRY(program_allocmem_item) entries; }; +struct program_destructor { + void (*destructor)(void *); + void *arg; + LIST_ENTRY(program_destructor) link; +}; + struct rtems_bsd_program_control { void *context; int exit_code; @@ -68,6 +74,7 @@ struct rtems_bsd_program_control { LIST_HEAD(, program_fd_item) open_fd; LIST_HEAD(, program_file_item) open_file; LIST_HEAD(, program_allocmem_item) allocated_mem; + LIST_HEAD(, program_destructor) destructors; }; struct rtems_bsd_program_control *rtems_bsd_program_get_control_or_null(void); diff --git a/rtemsbsd/rtems/rtems-bsd-racoon.c b/rtemsbsd/rtems/rtems-bsd-racoon.c index c7ea3594..e6e6205c 100644 --- a/rtemsbsd/rtems/rtems-bsd-racoon.c +++ b/rtemsbsd/rtems/rtems-bsd-racoon.c @@ -75,7 +75,7 @@ racoon_task(rtems_task_argument arg) } clean_up_args(args); - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } rtems_status_code diff --git a/rtemsbsd/rtems/rtems-bsd-rc-conf-net.c b/rtemsbsd/rtems/rtems-bsd-rc-conf-net.c index 23ee15db..8ffaa914 100644 --- a/rtemsbsd/rtems/rtems-bsd-rc-conf-net.c +++ b/rtemsbsd/rtems/rtems-bsd-rc-conf-net.c @@ -103,7 +103,9 @@ cloned_interfaces(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) "ifconfig", aa->argv[arg], "create", NULL }; rtems_bsd_rc_conf_print_cmd(rc_conf, "cloning_interfaces", 3, ifconfg_args); - rtems_bsd_command_ifconfig(3, (char**) ifconfg_args); + if (rtems_bsd_command_ifconfig(3, (char**) ifconfg_args)) { + return -1; + } } return 0; @@ -377,7 +379,7 @@ defaultrouter(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa, bool memset(&sin, 0, sizeof(sin)); memset(&rti_info[0], 0, sizeof(rti_info)); sin.sin_family = AF_INET; - inet_pton(AF_INET, "0.0.0.0", &sin.sin_addr); + (void) inet_pton(AF_INET, "0.0.0.0", &sin.sin_addr); r = rtems_get_route(&sin, rti_info); if (r == 0 && rti_info[RTAX_GATEWAY] != NULL) { @@ -710,9 +712,9 @@ run_dhcp(rtems_bsd_rc_conf* rc_conf, rtems_bsd_rc_conf_argc_argv* aa) } dd->config.priority = priority; - rtems_bsd_rc_conf_find(rc_conf, "dhcpcd_options", dd->argc_argv); + r = rtems_bsd_rc_conf_find(rc_conf, "dhcpcd_options", dd->argc_argv); - if (dd->argc_argv->argc > 0) { + if (r == 0 && dd->argc_argv->argc > 0) { dd->config.argc = dd->argc_argv->argc; dd->config.argv = dd->argc_argv->argv; } diff --git a/rtemsbsd/rtems/rtems-bsd-rc-conf.c b/rtemsbsd/rtems/rtems-bsd-rc-conf.c index 36f90a1d..88d98c3e 100644 --- a/rtemsbsd/rtems/rtems-bsd-rc-conf.c +++ b/rtemsbsd/rtems/rtems-bsd-rc-conf.c @@ -260,12 +260,14 @@ rc_conf_create(rtems_bsd_rc_conf** rc_conf, */ length = strnlen(text, RTEMS_BSD_RC_CONF_MAX_SIZE); if (length == RTEMS_BSD_RC_CONF_MAX_SIZE) { + free(_rc_conf); errno = E2BIG; return -1; } copy = strdup(text); if (copy == NULL) { + free(_rc_conf); errno = ENOMEM; return -1; } @@ -286,6 +288,7 @@ rc_conf_create(rtems_bsd_rc_conf** rc_conf, lines = malloc(sizeof(char*) * line_count); if (lines == NULL) { free(copy); + free(_rc_conf); errno = ENOMEM; return -1; } @@ -335,6 +338,13 @@ rc_conf_create(rtems_bsd_rc_conf** rc_conf, if (timeout >= 0) _rc_conf->waiter = rtems_task_self(); + if (_rc_conf->name == NULL) { + free((void*) _rc_conf->lines); + free((void*) _rc_conf->data); + free(_rc_conf); + return -1; + } + /* * Create the lock. */ @@ -343,6 +353,7 @@ rc_conf_create(rtems_bsd_rc_conf** rc_conf, free((void*) _rc_conf->name); free((void*) _rc_conf->lines); free((void*) _rc_conf->data); + free(_rc_conf); return -1; } @@ -714,6 +725,7 @@ rc_conf_worker(rtems_task_argument task_argument) rtems_chain_node* node = rtems_chain_first(&services); int r = 0; int error; + bool rc_conf_verbose; /* * Check for a syslog priority before any services are run. @@ -748,6 +760,8 @@ rc_conf_worker(rtems_task_argument task_argument) if (r < 0) rc_conf->error_code = error; + rc_conf_verbose = rc_conf->verbose; + /* * If there is a waiter signal else clean up because the waiter has gone. */ @@ -760,10 +774,10 @@ rc_conf_worker(rtems_task_argument task_argument) rc_conf_destroy(rc_conf); } - if (rc_conf->verbose) + if (rc_conf_verbose) printf("rc.conf: finished\n"); - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } int @@ -793,6 +807,7 @@ rtems_bsd_run_rc_conf_script(const char* name, if (sc != RTEMS_SUCCESSFUL) { fprintf(stderr, "error: %s: get priority: %s\n", name, rtems_status_text(sc)); + rc_conf_destroy(rc_conf); errno = EIO; return -1; } @@ -805,6 +820,7 @@ rtems_bsd_run_rc_conf_script(const char* name, &worker); if (sc != RTEMS_SUCCESSFUL) { fprintf (stderr, "error: worker create: %s", rtems_status_text(sc)); + rc_conf_destroy(rc_conf); errno = EIO; return -1; } @@ -814,6 +830,7 @@ rtems_bsd_run_rc_conf_script(const char* name, (rtems_task_argument) rc_conf); if (sc != RTEMS_SUCCESSFUL) { fprintf (stderr, "error: worker start: %s", rtems_status_text(sc)); + rc_conf_destroy(rc_conf); errno = EIO; return - 1; } @@ -869,7 +886,7 @@ rtems_bsd_run_rc_conf(const char* name, int timeout, bool verbose) if (r < 0) return r; - rc_conf = malloc(sb.st_size); + rc_conf = malloc(sb.st_size + 1); if (rc_conf == NULL) { errno = ENOMEM; return -1; @@ -892,6 +909,8 @@ rtems_bsd_run_rc_conf(const char* name, int timeout, bool verbose) fclose(file); + rc_conf[sb.st_size] = '\0'; + r = rtems_bsd_run_rc_conf_script(name, rc_conf, timeout, verbose); free(rc_conf); diff --git a/rtemsbsd/rtems/rtems-bsd-shell-wpa_supplicant_fork.c b/rtemsbsd/rtems/rtems-bsd-shell-wpa_supplicant_fork.c index 4af789cc..3f705975 100644 --- a/rtemsbsd/rtems/rtems-bsd-shell-wpa_supplicant_fork.c +++ b/rtemsbsd/rtems/rtems-bsd-shell-wpa_supplicant_fork.c @@ -53,7 +53,7 @@ new_wpa_supplicant_task(rtems_task_argument arg) free(params->argv); free(params); - rtems_task_delete( RTEMS_SELF ); + rtems_task_exit(); } int rtems_bsd_command_wpa_supplicant_fork(int argc, char **argv) diff --git a/rtemsbsd/rtems/rtems-kernel-init.c b/rtemsbsd/rtems/rtems-kernel-init.c index 7112914e..b0779277 100644 --- a/rtemsbsd/rtems/rtems-kernel-init.c +++ b/rtemsbsd/rtems/rtems-kernel-init.c @@ -135,7 +135,9 @@ rtems_bsd_initialize(void) sbt_tickthreshold = bttosbt(bt_tickthreshold); maxid_maxcpus = (int) rtems_scheduler_get_processor_maximum(); - mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO); + if (mkdir("/etc", S_IRWXU | S_IRWXG | S_IRWXO) != 0) { + return RTEMS_UNSATISFIED; + } sc = rtems_timer_initiate_server( rtems_bsd_get_task_priority(name), diff --git a/rtemsbsd/rtems/rtems-kernel-thread.c b/rtemsbsd/rtems/rtems-kernel-thread.c index 8e3344ef..f06999fb 100644 --- a/rtemsbsd/rtems/rtems-kernel-thread.c +++ b/rtemsbsd/rtems/rtems-kernel-thread.c @@ -280,13 +280,6 @@ rtems_bsd_thread_start(struct thread **td_ptr, void (*func)(void *), void *arg, return eno; } -static __dead2 void -rtems_bsd_thread_delete(void) -{ - rtems_task_delete(RTEMS_SELF); - BSD_PANIC("delete self failed"); -} - void kproc_start(const void *udata) { @@ -312,7 +305,7 @@ kproc_create(void (*func)(void *), void *arg, struct proc **newpp, int flags, in void kproc_exit(int ecode) { - rtems_bsd_thread_delete(); + rtems_task_exit(); } void @@ -340,7 +333,7 @@ kthread_add(void (*func)(void *), void *arg, struct proc *p, struct thread **new void kthread_exit(void) { - rtems_bsd_thread_delete(); + rtems_task_exit(); } int diff --git a/rtemsbsd/rtems/rtems-program.c b/rtemsbsd/rtems/rtems-program.c index 204ed248..1ca8e3b9 100644 --- a/rtemsbsd/rtems/rtems-program.c +++ b/rtemsbsd/rtems/rtems-program.c @@ -224,6 +224,18 @@ allocmem_free_all(struct rtems_bsd_program_control *prog_ctrl) } } +static void +call_destructors(struct rtems_bsd_program_control *prog_ctrl) +{ + struct program_destructor *node; + struct program_destructor *tmp; + + LIST_FOREACH_SAFE(node, &prog_ctrl->destructors, link, tmp) { + (*node->destructor)(node->arg); + free(node); + } +} + int rtems_bsd_program_call(const char *name, int (*prog)(void *), void *context) { @@ -251,6 +263,7 @@ rtems_bsd_program_call(const char *name, int (*prog)(void *), void *context) LIST_INIT(&prog_ctrl->open_fd); LIST_INIT(&prog_ctrl->open_file); LIST_INIT(&prog_ctrl->allocated_mem); + LIST_INIT(&prog_ctrl->destructors); if (setjmp(prog_ctrl->return_context) == 0) { exit_code = (*prog)(context); @@ -262,10 +275,48 @@ rtems_bsd_program_call(const char *name, int (*prog)(void *), void *context) fd_close_all(prog_ctrl); file_close_all(prog_ctrl); allocmem_free_all(prog_ctrl); + call_destructors(prog_ctrl); free(prog_ctrl); return (exit_code); } +void * +rtems_bsd_program_add_destructor(void (*destructor)(void *), void *arg) +{ + struct rtems_bsd_program_control *prog_ctrl; + struct program_destructor *node; + + prog_ctrl = rtems_bsd_program_get_control_or_null(); + if (prog_ctrl == NULL) { + return (NULL); + } + + node = malloc(sizeof(*node)); + if (node == NULL) { + return (NULL); + } + + node->destructor = destructor; + node->arg = arg; + LIST_INSERT_HEAD(&prog_ctrl->destructors, node, link); + return (node); +} + +void +rtems_bsd_program_remove_destructor(void *cookie, bool call) +{ + struct program_destructor *node; + + node = cookie; + LIST_REMOVE(node, link); + + if (call) { + (*node->destructor)(node->arg); + } + + free(node); +} + void rtems_bsd_program_exit(int exit_code) { diff --git a/rtemsbsd/rtems/rtems-routes.c b/rtemsbsd/rtems/rtems-routes.c index 6663e8d4..0b5250f0 100644 --- a/rtemsbsd/rtems/rtems-routes.c +++ b/rtemsbsd/rtems/rtems-routes.c @@ -85,8 +85,10 @@ int rtems_get_route(const struct sockaddr_in* sin, struct sockaddr** rti_info) } s = socket(AF_ROUTE, SOCK_RAW, AF_UNSPEC); - if (s < 0) + if (s < 0) { + free(buf); return -1; + } rtm = (struct rt_msghdr *) buf; rtm->rtm_msglen = sizeof(struct rt_msghdr) + sizeof(struct sockaddr_in); diff --git a/rtemsbsd/sys/arm/freescale/imx/imx_rtems_gpio.c b/rtemsbsd/sys/arm/freescale/imx/imx_rtems_gpio.c index c24732cc..da64922f 100644 --- a/rtemsbsd/sys/arm/freescale/imx/imx_rtems_gpio.c +++ b/rtemsbsd/sys/arm/freescale/imx/imx_rtems_gpio.c @@ -27,7 +27,7 @@ */ #include <bsp.h> -#if defined(LIBBSP_ARM_IMX_BSP_H) +#if defined(LIBBSP_ARM_IMX_BSP_H) || defined(LIBBSP_ARM_IMXRT_BSP_H) #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); @@ -303,4 +303,4 @@ EARLY_DRIVER_MODULE(imx_rtems_gpio, simplebus, imx_rtems_gpio_driver, imx_rtems_gpio_devclass, NULL, NULL, BUS_PASS_RESOURCE + BUS_PASS_ORDER_MIDDLE); -#endif /* LIBBSP_ARM_IMX_BSP_H */ +#endif /* LIBBSP_ARM_IMX_BSP_H || LIBBSP_ARM_IMXRT_BSP_H */ diff --git a/rtemsbsd/sys/arm/freescale/imx/imxrt1166_usbphy.c b/rtemsbsd/sys/arm/freescale/imx/imxrt1166_usbphy.c new file mode 100644 index 00000000..b8e3a188 --- /dev/null +++ b/rtemsbsd/sys/arm/freescale/imx/imxrt1166_usbphy.c @@ -0,0 +1,227 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* SPDX-License-Identifier: BSD-2-Clause */ + +/* + * Copyright (c) 2013 Ian Lepore <ian@freebsd.org> + * Copyright (C) 2023 embedded brains GmbH & Co. KG + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <bsp.h> +#if defined(LIBBSP_ARM_IMXRT_BSP_H) + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * USBPHY driver for Freescale i.MXRT1166. Most likely works with the whole + * i.MXRT11xx family. + * + * Based on USBPHY driver for i.MX6. + */ + +#include <rtems/bsd/local/opt_bus.h> + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/module.h> +#include <sys/bus.h> +#include <sys/rman.h> + +#include <dev/ofw/ofw_bus.h> +#include <dev/ofw/ofw_bus_subr.h> + +#include <machine/bus.h> + +#include <dev/extres/regulator/regulator.h> + +#include <fsl_device_registers.h> +#include <fsl_clock.h> + +struct imxrt1166_usbphy_softc { + device_t dev; + struct resource *mem_res; + regulator_t supply_vbus; + USBPHY_Type *regs; +}; + +static struct ofw_compat_data compat_data[] = { + {"fsl,imxrt1166-usbphy", true}, + {NULL, false} +}; + +static int +imxrt1166_usbphy_detach(device_t dev) +{ + struct imxrt1166_usbphy_softc *sc; + + sc = device_get_softc(dev); + + if (sc->mem_res != NULL) + bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->mem_res); + + return (0); +} + +#define BUS_SPACE_PHYSADDR(res, offs) \ + ((u_int)(rman_get_start(res)+(offs))) + +static int +enable_vbus_supply(device_t dev, struct imxrt1166_usbphy_softc *sc) +{ + int rv; + phandle_t node; + + node = ofw_bus_get_node(dev); + if (OF_hasprop(node, "vbus-supply")) { + rv = regulator_get_by_ofw_property(sc->dev, node, "vbus-supply", + &sc->supply_vbus); + if (rv != 0) { + device_printf(sc->dev, + "Cannot get \"vbus\" regulator\n"); + return ENXIO; + } + rv = regulator_enable(sc->supply_vbus); + if (rv != 0) { + device_printf(sc->dev, + "Cannot enable \"vbus\" regulator\n"); + return ENXIO; + } + } + + return 0; +} + +static int +imxrt1166_usbphy_attach(device_t dev) +{ + struct imxrt1166_usbphy_softc *sc; + int err, rid; +#if IMXRT_IS_MIMXRT11xx + uint32_t usbClockFreq; +#endif + + sc = device_get_softc(dev); + err = 0; + + /* Allocate bus_space resources. */ + rid = 0; + sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, + RF_ACTIVE); + if (sc->mem_res == NULL) { + device_printf(dev, "Cannot allocate memory resources\n"); + err = ENXIO; + goto out; + } + + /* Enable VBUS Supply if a regulator is given */ + err = enable_vbus_supply(dev, sc); + if (err != 0) { + goto out; + } + + sc->regs = (USBPHY_Type *)BUS_SPACE_PHYSADDR(sc->mem_res, 0); + +#if IMXRT_IS_MIMXRT11xx + /* Enable register clock */ + CLOCK_EnableClock(kCLOCK_Usb); + + usbClockFreq = CLOCK_GetFreq(kCLOCK_Osc24M); + + /* + * Set the software reset bit. It will be implicitly cleared when + * setting up the clock in the next steps. + */ + sc->regs->CTRL_SET = USBPHY_CTRL_SFTRST_MASK; + + /* + * Enable PLLs. + * + * FIXME: Hacky way to find out the module. + */ + if (sc->regs == USBPHY1) { + CLOCK_EnableUsbhs0PhyPllClock(kCLOCK_Usbphy480M, usbClockFreq); + CLOCK_EnableUsbhs0Clock(kCLOCK_Usb480M, usbClockFreq); + } else { + CLOCK_EnableUsbhs1PhyPllClock(kCLOCK_Usbphy480M, usbClockFreq); + CLOCK_EnableUsbhs1Clock(kCLOCK_Usb480M, usbClockFreq); + } +#else + /* Not implemented */ +#endif + + err = 0; + +out: + + if (err != 0) + imxrt1166_usbphy_detach(dev); + + return (err); +} + +static int +imxrt1166_usbphy_probe(device_t dev) +{ + + if (!ofw_bus_status_okay(dev)) + return (ENXIO); + + if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data) + return (ENXIO); + + device_set_desc(dev, "Freescale i.MXRT1166 USB PHY"); + + return (BUS_PROBE_DEFAULT); +} + +static device_method_t imxrt1166_usbphy_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, imxrt1166_usbphy_probe), + DEVMETHOD(device_attach, imxrt1166_usbphy_attach), + DEVMETHOD(device_detach, imxrt1166_usbphy_detach), + + DEVMETHOD_END +}; + +static driver_t imxrt1166_usbphy_driver = { + "imxrt1166_usbphy", + imxrt1166_usbphy_methods, + sizeof(struct imxrt1166_usbphy_softc) +}; + +static devclass_t imxrt1166_usbphy_devclass; + +/* + * This driver needs to start before the ehci driver, but later than the usual + * "special" drivers like clocks and cpu. Ehci starts at DEFAULT so SUPPORTDEV + * is where this driver fits most. + */ +EARLY_DRIVER_MODULE(imxrt1166_usbphy, simplebus, imxrt1166_usbphy_driver, + imxrt1166_usbphy_devclass, 0, 0, + BUS_PASS_SUPPORTDEV + BUS_PASS_ORDER_MIDDLE); + +#endif /* LIBBSP_ARM_IMXRT_BSP_H */ diff --git a/rtemsbsd/sys/arm/lpc/if_lpe.c b/rtemsbsd/sys/arm/lpc/if_lpe.c index 40ac162e..87ca9ff7 100755 --- a/rtemsbsd/sys/arm/lpc/if_lpe.c +++ b/rtemsbsd/sys/arm/lpc/if_lpe.c @@ -1,1428 +1,1769 @@ -#include <machine/rtems-bsd-kernel-space.h> - -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD +/** + * @file * - * Copyright (c) 2011 Jakub Wojciech Klama <jceel@FreeBSD.org> - * All rights reserved. + * @ingroup lpc_eth * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. + * @brief Ethernet driver. + */ + +/* + * Copyright (C) 2009, 2022 embedded brains GmbH * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. */ -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); + +#include <machine/rtems-bsd-kernel-space.h> + +#include <bsp.h> + +#if defined(LIBBSP_ARM_LPC24XX_BSP_H) || defined(LIBBSP_ARM_LPC32XX_BSP_H) #include <sys/param.h> -#include <sys/endian.h> -#include <sys/systm.h> -#include <sys/sockio.h> -#include <sys/mbuf.h> -#include <sys/malloc.h> #include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/mbuf.h> #include <sys/module.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/rman.h> -#include <sys/bus.h> #include <sys/socket.h> +#include <sys/sockio.h> + +#include <sys/bus.h> #include <machine/bus.h> -#ifndef __rtems__ -#include <machine/intr.h> -#endif /* __rtems__ */ #include <net/if.h> -#include <net/if_arp.h> #include <net/ethernet.h> +#include <net/if_arp.h> #include <net/if_dl.h> #include <net/if_media.h> #include <net/if_types.h> #include <net/if_var.h> -#include <net/bpf.h> +#include <dev/mii/mii.h> -#ifndef __rtems__ -#include <dev/ofw/ofw_bus.h> -#include <dev/ofw/ofw_bus_subr.h> -#endif /* __rtems__ */ +#include <rtems/bsd/bsd.h> -#include <dev/mii/mii.h> -#include <dev/mii/miivar.h> +#include <arm/lpc/probe.h> -#include <arm/lpc/lpcreg.h> -#include <arm/lpc/lpcvar.h> -#include <arm/lpc/if_lpereg.h> +#include <bsp.h> +#include <bsp/irq.h> +#include <bsp/lpc-ethernet-config.h> +#include <bsp/utility.h> -#include <rtems/bsd/local/miibus_if.h> -#ifdef __rtems__ -#include <machine/rtems-bsd-cache.h> -#include <rtems/bsd/bsd.h> -#endif /* __rtems__ */ +#if MCLBYTES > (2 * 1024) + #error "MCLBYTES to large" +#endif -#ifdef DEBUG -#define debugf(fmt, args...) do { printf("%s(): ", __func__); \ - printf(fmt,##args); } while (0) +#ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + #define LPC_ETH_CONFIG_TX_BUF_SIZE sizeof(struct mbuf *) #else -#define debugf(fmt, args...) + #define LPC_ETH_CONFIG_TX_BUF_SIZE 1518U #endif -struct lpe_dmamap_arg { - bus_addr_t lpe_dma_busaddr; -}; +#define DEFAULT_PHY 0 +#define WATCHDOG_TIMEOUT 5 + +typedef struct { + uint32_t start; + uint32_t control; +} lpc_eth_transfer_descriptor; + +typedef struct { + uint32_t info; + uint32_t hash_crc; +} lpc_eth_receive_status; + +typedef struct { + uint32_t mac1; + uint32_t mac2; + uint32_t ipgt; + uint32_t ipgr; + uint32_t clrt; + uint32_t maxf; + uint32_t supp; + uint32_t test; + uint32_t mcfg; + uint32_t mcmd; + uint32_t madr; + uint32_t mwtd; + uint32_t mrdd; + uint32_t mind; + uint32_t reserved_0 [2]; + uint32_t sa0; + uint32_t sa1; + uint32_t sa2; + uint32_t reserved_1 [45]; + uint32_t command; + uint32_t status; + uint32_t rxdescriptor; + uint32_t rxstatus; + uint32_t rxdescriptornum; + uint32_t rxproduceindex; + uint32_t rxconsumeindex; + uint32_t txdescriptor; + uint32_t txstatus; + uint32_t txdescriptornum; + uint32_t txproduceindex; + uint32_t txconsumeindex; + uint32_t reserved_2 [10]; + uint32_t tsv0; + uint32_t tsv1; + uint32_t rsv; + uint32_t reserved_3 [3]; + uint32_t flowcontrolcnt; + uint32_t flowcontrolsts; + uint32_t reserved_4 [34]; + uint32_t rxfilterctrl; + uint32_t rxfilterwolsts; + uint32_t rxfilterwolclr; + uint32_t reserved_5 [1]; + uint32_t hashfilterl; + uint32_t hashfilterh; + uint32_t reserved_6 [882]; + uint32_t intstatus; + uint32_t intenable; + uint32_t intclear; + uint32_t intset; + uint32_t reserved_7 [1]; + uint32_t powerdown; +} lpc_eth_controller; + +#define LPE_LOCK(e) mtx_lock(&(e)->mtx) + +#define LPE_UNLOCK(e) mtx_unlock(&(e)->mtx) + +static volatile lpc_eth_controller *const lpc_eth = + (volatile lpc_eth_controller *) LPC_ETH_CONFIG_REG_BASE; + +/* ETH_RX_CTRL */ + +#define ETH_RX_CTRL_SIZE_MASK 0x000007ffU +#define ETH_RX_CTRL_INTERRUPT 0x80000000U + +/* ETH_RX_STAT */ + +#define ETH_RX_STAT_RXSIZE_MASK 0x000007ffU +#define ETH_RX_STAT_BYTES 0x00000100U +#define ETH_RX_STAT_CONTROL_FRAME 0x00040000U +#define ETH_RX_STAT_VLAN 0x00080000U +#define ETH_RX_STAT_FAIL_FILTER 0x00100000U +#define ETH_RX_STAT_MULTICAST 0x00200000U +#define ETH_RX_STAT_BROADCAST 0x00400000U +#define ETH_RX_STAT_CRC_ERROR 0x00800000U +#define ETH_RX_STAT_SYMBOL_ERROR 0x01000000U +#define ETH_RX_STAT_LENGTH_ERROR 0x02000000U +#define ETH_RX_STAT_RANGE_ERROR 0x04000000U +#define ETH_RX_STAT_ALIGNMENT_ERROR 0x08000000U +#define ETH_RX_STAT_OVERRUN 0x10000000U +#define ETH_RX_STAT_NO_DESCRIPTOR 0x20000000U +#define ETH_RX_STAT_LAST_FLAG 0x40000000U +#define ETH_RX_STAT_ERROR 0x80000000U + +/* ETH_TX_CTRL */ + +#define ETH_TX_CTRL_SIZE_MASK 0x7ffU +#define ETH_TX_CTRL_SIZE_SHIFT 0 +#define ETH_TX_CTRL_OVERRIDE 0x04000000U +#define ETH_TX_CTRL_HUGE 0x08000000U +#define ETH_TX_CTRL_PAD 0x10000000U +#define ETH_TX_CTRL_CRC 0x20000000U +#define ETH_TX_CTRL_LAST 0x40000000U +#define ETH_TX_CTRL_INTERRUPT 0x80000000U + +/* ETH_TX_STAT */ + +#define ETH_TX_STAT_COLLISION_COUNT_MASK 0x01e00000U +#define ETH_TX_STAT_DEFER 0x02000000U +#define ETH_TX_STAT_EXCESSIVE_DEFER 0x04000000U +#define ETH_TX_STAT_EXCESSIVE_COLLISION 0x08000000U +#define ETH_TX_STAT_LATE_COLLISION 0x10000000U +#define ETH_TX_STAT_UNDERRUN 0x20000000U +#define ETH_TX_STAT_NO_DESCRIPTOR 0x40000000U +#define ETH_TX_STAT_ERROR 0x80000000U + +/* ETH_INT */ + +#define ETH_INT_RX_OVERRUN 0x00000001U +#define ETH_INT_RX_ERROR 0x00000002U +#define ETH_INT_RX_FINISHED 0x00000004U +#define ETH_INT_RX_DONE 0x00000008U +#define ETH_INT_TX_UNDERRUN 0x00000010U +#define ETH_INT_TX_ERROR 0x00000020U +#define ETH_INT_TX_FINISHED 0x00000040U +#define ETH_INT_TX_DONE 0x00000080U +#define ETH_INT_SOFT 0x00001000U +#define ETH_INT_WAKEUP 0x00002000U + +/* ETH_RX_FIL_CTRL */ + +#define ETH_RX_FIL_CTRL_ACCEPT_UNICAST 0x00000001U +#define ETH_RX_FIL_CTRL_ACCEPT_BROADCAST 0x00000002U +#define ETH_RX_FIL_CTRL_ACCEPT_MULTICAST 0x00000004U +#define ETH_RX_FIL_CTRL_ACCEPT_UNICAST_HASH 0x00000008U +#define ETH_RX_FIL_CTRL_ACCEPT_MULTICAST_HASH 0x00000010U +#define ETH_RX_FIL_CTRL_ACCEPT_PERFECT 0x00000020U +#define ETH_RX_FIL_CTRL_MAGIC_PACKET_WOL 0x00001000U +#define ETH_RX_FIL_CTRL_RX_FILTER_WOL 0x00002000U + +/* ETH_CMD */ + +#define ETH_CMD_RX_ENABLE 0x00000001U +#define ETH_CMD_TX_ENABLE 0x00000002U +#define ETH_CMD_REG_RESET 0x00000008U +#define ETH_CMD_TX_RESET 0x00000010U +#define ETH_CMD_RX_RESET 0x00000020U +#define ETH_CMD_PASS_RUNT_FRAME 0x00000040U +#define ETH_CMD_PASS_RX_FILTER 0X00000080U +#define ETH_CMD_TX_FLOW_CONTROL 0x00000100U +#define ETH_CMD_RMII 0x00000200U +#define ETH_CMD_FULL_DUPLEX 0x00000400U -struct lpe_rxdesc { - struct mbuf * lpe_rxdesc_mbuf; -#ifndef __rtems__ - bus_dmamap_t lpe_rxdesc_dmamap; -#endif /* __rtems__ */ -}; +/* ETH_STAT */ -struct lpe_txdesc { - int lpe_txdesc_first; - struct mbuf * lpe_txdesc_mbuf; -#ifndef __rtems__ - bus_dmamap_t lpe_txdesc_dmamap; -#endif /* __rtems__ */ -}; +#define ETH_STAT_RX_ACTIVE 0x00000001U +#define ETH_STAT_TX_ACTIVE 0x00000002U -struct lpe_chain_data { - bus_dma_tag_t lpe_parent_tag; - bus_dma_tag_t lpe_tx_ring_tag; - bus_dmamap_t lpe_tx_ring_map; - bus_dma_tag_t lpe_tx_status_tag; - bus_dmamap_t lpe_tx_status_map; - bus_dma_tag_t lpe_tx_buf_tag; - bus_dma_tag_t lpe_rx_ring_tag; - bus_dmamap_t lpe_rx_ring_map; - bus_dma_tag_t lpe_rx_status_tag; - bus_dmamap_t lpe_rx_status_map; - bus_dma_tag_t lpe_rx_buf_tag; - struct lpe_rxdesc lpe_rx_desc[LPE_RXDESC_NUM]; - struct lpe_txdesc lpe_tx_desc[LPE_TXDESC_NUM]; - int lpe_tx_prod; - int lpe_tx_last; - int lpe_tx_used; -}; +/* ETH_MAC2 */ -struct lpe_ring_data { - struct lpe_hwdesc * lpe_rx_ring; - struct lpe_hwstatus * lpe_rx_status; - bus_addr_t lpe_rx_ring_phys; - bus_addr_t lpe_rx_status_phys; - struct lpe_hwdesc * lpe_tx_ring; - struct lpe_hwstatus * lpe_tx_status; - bus_addr_t lpe_tx_ring_phys; - bus_addr_t lpe_tx_status_phys; -}; +#define ETH_MAC2_FULL_DUPLEX BSP_BIT32(8) -struct lpe_softc { - struct ifnet * lpe_ifp; - struct mtx lpe_mtx; -#ifndef __rtems__ - phandle_t lpe_ofw; -#endif /* __rtems__ */ - device_t lpe_dev; - device_t lpe_miibus; - uint8_t lpe_enaddr[6]; - struct resource * lpe_mem_res; - struct resource * lpe_irq_res; - void * lpe_intrhand; - bus_space_tag_t lpe_bst; - bus_space_handle_t lpe_bsh; -#define LPE_FLAG_LINK (1 << 0) - uint32_t lpe_flags; - int lpe_watchdog_timer; - struct callout lpe_tick; - struct lpe_chain_data lpe_cdata; - struct lpe_ring_data lpe_rdata; -}; +/* ETH_SUPP */ -static int lpe_probe(device_t); -static int lpe_attach(device_t); -static int lpe_detach(device_t); -static int lpe_miibus_readreg(device_t, int, int); -static int lpe_miibus_writereg(device_t, int, int, int); -static void lpe_miibus_statchg(device_t); - -static void lpe_reset(struct lpe_softc *); -static void lpe_init(void *); -static void lpe_init_locked(struct lpe_softc *); -static void lpe_start(struct ifnet *); -static void lpe_start_locked(struct ifnet *); -static void lpe_stop(struct lpe_softc *); -static void lpe_stop_locked(struct lpe_softc *); -static int lpe_ioctl(struct ifnet *, u_long, caddr_t); -static void lpe_set_rxmode(struct lpe_softc *); -static void lpe_set_rxfilter(struct lpe_softc *); -static void lpe_intr(void *); -static void lpe_rxintr(struct lpe_softc *); -static void lpe_txintr(struct lpe_softc *); -static void lpe_tick(void *); -static void lpe_watchdog(struct lpe_softc *); -static int lpe_encap(struct lpe_softc *, struct mbuf **); -static int lpe_dma_alloc(struct lpe_softc *); -static int lpe_dma_alloc_rx(struct lpe_softc *); -static int lpe_dma_alloc_tx(struct lpe_softc *); -static int lpe_init_rx(struct lpe_softc *); -static int lpe_init_rxbuf(struct lpe_softc *, int); -static void lpe_discard_rxbuf(struct lpe_softc *, int); -static void lpe_dmamap_cb(void *, bus_dma_segment_t *, int, int); -static int lpe_ifmedia_upd(struct ifnet *); -static void lpe_ifmedia_sts(struct ifnet *, struct ifmediareq *); - -#define lpe_lock(_sc) mtx_lock(&(_sc)->lpe_mtx) -#define lpe_unlock(_sc) mtx_unlock(&(_sc)->lpe_mtx) -#define lpe_lock_assert(_sc) mtx_assert(&(_sc)->lpe_mtx, MA_OWNED) - -#define lpe_read_4(_sc, _reg) \ - bus_space_read_4((_sc)->lpe_bst, (_sc)->lpe_bsh, (_reg)) -#define lpe_write_4(_sc, _reg, _val) \ - bus_space_write_4((_sc)->lpe_bst, (_sc)->lpe_bsh, (_reg), (_val)) - -#define LPE_HWDESC_RXERRS (LPE_HWDESC_CRCERROR | LPE_HWDESC_SYMBOLERROR | \ - LPE_HWDESC_LENGTHERROR | LPE_HWDESC_ALIGNERROR | LPE_HWDESC_OVERRUN | \ - LPE_HWDESC_RXNODESCR) - -#define LPE_HWDESC_TXERRS (LPE_HWDESC_EXCDEFER | LPE_HWDESC_EXCCOLL | \ - LPE_HWDESC_LATECOLL | LPE_HWDESC_UNDERRUN | LPE_HWDESC_TXNODESCR) - -static int -lpe_probe(device_t dev) -{ - -#ifndef __rtems__ - if (!ofw_bus_status_okay(dev)) - return (ENXIO); +#define ETH_SUPP_SPEED BSP_BIT32(8) - if (!ofw_bus_is_compatible(dev, "lpc,ethernet")) - return (ENXIO); -#endif /* __rtems__ */ +/* ETH_MCFG */ - device_set_desc(dev, "LPC32x0 10/100 Ethernet"); - return (BUS_PROBE_DEFAULT); -} +#define ETH_MCFG_CLOCK_SELECT(val) BSP_FLD32(val, 2, 4) -static int -lpe_attach(device_t dev) -{ - struct lpe_softc *sc = device_get_softc(dev); - struct ifnet *ifp; -#ifndef __rtems__ - int rid, i; - uint32_t val; -#else /* __rtems__ */ - int rid; -#endif /* __rtems__ */ - - sc->lpe_dev = dev; -#ifndef __rtems__ - sc->lpe_ofw = ofw_bus_get_node(dev); - - i = OF_getprop(sc->lpe_ofw, "local-mac-address", (void *)&sc->lpe_enaddr, 6); - if (i != 6) { - sc->lpe_enaddr[0] = 0x00; - sc->lpe_enaddr[1] = 0x11; - sc->lpe_enaddr[2] = 0x22; - sc->lpe_enaddr[3] = 0x33; - sc->lpe_enaddr[4] = 0x44; - sc->lpe_enaddr[5] = 0x55; - } -#else /* __rtems__ */ - rtems_bsd_get_mac_address(device_get_name(sc->lpe_dev), device_get_unit(sc->lpe_dev), sc->lpe_enaddr); -#endif /* __rtems__ */ - - mtx_init(&sc->lpe_mtx, device_get_nameunit(dev), MTX_NETWORK_LOCK, - MTX_DEF); - - callout_init_mtx(&sc->lpe_tick, &sc->lpe_mtx, 0); - - rid = 0; - sc->lpe_mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, - RF_ACTIVE); - if (!sc->lpe_mem_res) { - device_printf(dev, "cannot allocate memory window\n"); - goto fail; - } - - sc->lpe_bst = rman_get_bustag(sc->lpe_mem_res); - sc->lpe_bsh = rman_get_bushandle(sc->lpe_mem_res); - - rid = 0; - sc->lpe_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, - RF_ACTIVE); - if (!sc->lpe_irq_res) { - device_printf(dev, "cannot allocate interrupt\n"); - goto fail; - } - - sc->lpe_ifp = if_alloc(IFT_ETHER); - if (!sc->lpe_ifp) { - device_printf(dev, "cannot allocated ifnet\n"); - goto fail; - } - - ifp = sc->lpe_ifp; - - if_initname(ifp, device_get_name(dev), device_get_unit(dev)); - ifp->if_softc = sc; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; - ifp->if_start = lpe_start; - ifp->if_ioctl = lpe_ioctl; - ifp->if_init = lpe_init; - IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); - ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; - IFQ_SET_READY(&ifp->if_snd); - - ether_ifattach(ifp, sc->lpe_enaddr); - - if (bus_setup_intr(dev, sc->lpe_irq_res, INTR_TYPE_NET, NULL, - lpe_intr, sc, &sc->lpe_intrhand)) { - device_printf(dev, "cannot establish interrupt handler\n"); - ether_ifdetach(ifp); - goto fail; - } - - /* Enable Ethernet clock */ -#ifndef __rtems__ - lpc_pwr_write(dev, LPC_CLKPWR_MACCLK_CTRL, - LPC_CLKPWR_MACCLK_CTRL_REG | - LPC_CLKPWR_MACCLK_CTRL_SLAVE | - LPC_CLKPWR_MACCLK_CTRL_MASTER | - LPC_CLKPWR_MACCLK_CTRL_HDWINF(3)); -#else /* __rtems__ */ -#ifdef LPC32XX_ETHERNET_RMII - lpc_pwr_write(dev, LPC_CLKPWR_MACCLK_CTRL, - LPC_CLKPWR_MACCLK_CTRL_REG | - LPC_CLKPWR_MACCLK_CTRL_SLAVE | - LPC_CLKPWR_MACCLK_CTRL_MASTER | - LPC_CLKPWR_MACCLK_CTRL_HDWINF(3)); -#else - lpc_pwr_write(dev, LPC_CLKPWR_MACCLK_CTRL, - LPC_CLKPWR_MACCLK_CTRL_REG | - LPC_CLKPWR_MACCLK_CTRL_SLAVE | - LPC_CLKPWR_MACCLK_CTRL_MASTER | - LPC_CLKPWR_MACCLK_CTRL_HDWINF(1)); -#endif -#endif /* __rtems__ */ - - /* Reset chip */ - lpe_reset(sc); - - /* Initialize MII */ -#ifndef __rtems__ - val = lpe_read_4(sc, LPE_COMMAND); - lpe_write_4(sc, LPE_COMMAND, val | LPE_COMMAND_RMII); - - if (mii_attach(dev, &sc->lpe_miibus, ifp, lpe_ifmedia_upd, - lpe_ifmedia_sts, BMSR_DEFCAPMASK, 0x01, - MII_OFFSET_ANY, 0)) { - device_printf(dev, "cannot find PHY\n"); - goto fail; - } -#else /* __rtems__ */ - if (mii_attach(dev, &sc->lpe_miibus, ifp, lpe_ifmedia_upd, - lpe_ifmedia_sts, BMSR_DEFCAPMASK, MII_PHY_ANY, - MII_OFFSET_ANY, 0)) { - device_printf(dev, "cannot find PHY\n"); - goto fail; - } -#endif /* __rtems__ */ - - lpe_dma_alloc(sc); - - return (0); - -fail: - if (sc->lpe_ifp) - if_free(sc->lpe_ifp); - if (sc->lpe_intrhand) - bus_teardown_intr(dev, sc->lpe_irq_res, sc->lpe_intrhand); - if (sc->lpe_irq_res) - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->lpe_irq_res); - if (sc->lpe_mem_res) - bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->lpe_mem_res); - return (ENXIO); -} +#define ETH_MCFG_RESETMIIMGMT BSP_BIT32(15) -static int -lpe_detach(device_t dev) -{ - struct lpe_softc *sc = device_get_softc(dev); +/* ETH_MCMD */ - lpe_stop(sc); +#define ETH_MCMD_READ BSP_BIT32(0) +#define ETH_MCMD_SCAN BSP_BIT32(1) - if_free(sc->lpe_ifp); - bus_teardown_intr(dev, sc->lpe_irq_res, sc->lpe_intrhand); - bus_release_resource(dev, SYS_RES_IRQ, 0, sc->lpe_irq_res); - bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->lpe_mem_res); +/* ETH_MADR */ - return (0); -} +#define ETH_MADR_REG(val) BSP_FLD32(val, 0, 4) +#define ETH_MADR_PHY(val) BSP_FLD32(val, 8, 12) -static int -lpe_miibus_readreg(device_t dev, int phy, int reg) -{ - struct lpe_softc *sc = device_get_softc(dev); - uint32_t val; - int result; +/* ETH_MIND */ - lpe_write_4(sc, LPE_MCMD, LPE_MCMD_READ); - lpe_write_4(sc, LPE_MADR, - (reg & LPE_MADR_REGMASK) << LPE_MADR_REGSHIFT | - (phy & LPE_MADR_PHYMASK) << LPE_MADR_PHYSHIFT); +#define ETH_MIND_BUSY BSP_BIT32(0) +#define ETH_MIND_SCANNING BSP_BIT32(1) +#define ETH_MIND_NOT_VALID BSP_BIT32(2) +#define ETH_MIND_MII_LINK_FAIL BSP_BIT32(3) - val = lpe_read_4(sc, LPE_MIND); +/* Events */ - /* Wait until request is completed */ - while (val & LPE_MIND_BUSY) { - val = lpe_read_4(sc, LPE_MIND); - DELAY(10); - } +#define LPC_ETH_EVENT_INIT_RX RTEMS_EVENT_0 - if (val & LPE_MIND_INVALID) - return (0); +#define LPC_ETH_EVENT_INIT_TX RTEMS_EVENT_1 - lpe_write_4(sc, LPE_MCMD, 0); - result = (lpe_read_4(sc, LPE_MRDD) & LPE_MRDD_DATAMASK); - debugf("phy=%d reg=%d result=0x%04x\n", phy, reg, result); +#define LPC_ETH_EVENT_INTERRUPT RTEMS_EVENT_3 - return (result); -} +#define LPC_ETH_EVENT_STOP RTEMS_EVENT_4 -static int -lpe_miibus_writereg(device_t dev, int phy, int reg, int data) -{ - struct lpe_softc *sc = device_get_softc(dev); - uint32_t val; +/* Status */ - debugf("phy=%d reg=%d data=0x%04x\n", phy, reg, data); +#define LPC_ETH_INTERRUPT_RECEIVE \ + (ETH_INT_RX_ERROR | ETH_INT_RX_FINISHED | ETH_INT_RX_DONE) - lpe_write_4(sc, LPE_MCMD, LPE_MCMD_WRITE); - lpe_write_4(sc, LPE_MADR, - (reg & LPE_MADR_REGMASK) << LPE_MADR_REGSHIFT | - (phy & LPE_MADR_PHYMASK) << LPE_MADR_PHYSHIFT); +#define LPC_ETH_RX_STAT_ERRORS \ + (ETH_RX_STAT_CRC_ERROR \ + | ETH_RX_STAT_SYMBOL_ERROR \ + | ETH_RX_STAT_LENGTH_ERROR \ + | ETH_RX_STAT_ALIGNMENT_ERROR \ + | ETH_RX_STAT_OVERRUN \ + | ETH_RX_STAT_NO_DESCRIPTOR) - lpe_write_4(sc, LPE_MWTD, (data & LPE_MWTD_DATAMASK)); +#define LPC_ETH_LAST_FRAGMENT_FLAGS \ + (ETH_TX_CTRL_OVERRIDE \ + | ETH_TX_CTRL_PAD \ + | ETH_TX_CTRL_CRC \ + | ETH_TX_CTRL_INTERRUPT \ + | ETH_TX_CTRL_LAST) - val = lpe_read_4(sc, LPE_MIND); +/* Debug */ - /* Wait until request is completed */ - while (val & LPE_MIND_BUSY) { - val = lpe_read_4(sc, LPE_MIND); - DELAY(10); - } +#ifdef DEBUG + #define LPC_ETH_PRINTF(...) printf(__VA_ARGS__) + #define LPC_ETH_PRINTK(...) printk(__VA_ARGS__) +#else + #define LPC_ETH_PRINTF(...) + #define LPC_ETH_PRINTK(...) +#endif - return (0); +typedef enum { + LPC_ETH_STATE_NOT_INITIALIZED = 0, + LPC_ETH_STATE_DOWN, + LPC_ETH_STATE_UP +} lpc_eth_state; + +typedef struct { + device_t dev; + struct ifnet *ifp; + struct mtx mtx; + lpc_eth_state state; + uint32_t anlpar; + struct callout watchdog_callout; + rtems_id receive_task; + unsigned rx_unit_count; + unsigned tx_unit_count; + volatile lpc_eth_transfer_descriptor *rx_desc_table; + volatile lpc_eth_receive_status *rx_status_table; + struct mbuf **rx_mbuf_table; + volatile lpc_eth_transfer_descriptor *tx_desc_table; + volatile uint32_t *tx_status_table; + void *tx_buf_table; + uint32_t tx_produce_index; + uint32_t tx_consume_index; + unsigned received_frames; + unsigned receive_interrupts; + unsigned transmitted_frames; + unsigned receive_drop_errors; + unsigned receive_overrun_errors; + unsigned receive_fragment_errors; + unsigned receive_crc_errors; + unsigned receive_symbol_errors; + unsigned receive_length_errors; + unsigned receive_alignment_errors; + unsigned receive_no_descriptor_errors; + unsigned receive_fatal_errors; + unsigned transmit_underrun_errors; + unsigned transmit_late_collision_errors; + unsigned transmit_excessive_collision_errors; + unsigned transmit_excessive_defer_errors; + unsigned transmit_no_descriptor_errors; + unsigned transmit_overflow_errors; + unsigned transmit_fatal_errors; + uint32_t phy_id; + int phy; + rtems_vector_number interrupt_number; + rtems_id control_task; + int if_flags; + struct ifmedia ifmedia; +} lpc_eth_driver_entry; + +static void lpc_eth_interface_watchdog(void *arg); + +static void lpc_eth_setup_rxfilter(lpc_eth_driver_entry *e); + +static void lpc_eth_control_request_complete(const lpc_eth_driver_entry *e) +{ + rtems_status_code sc = rtems_event_transient_send(e->control_task); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); } -static void -lpe_miibus_statchg(device_t dev) +static void lpc_eth_control_request( + lpc_eth_driver_entry *e, + rtems_id task, + rtems_event_set event +) { - struct lpe_softc *sc = device_get_softc(dev); - struct mii_data *mii = device_get_softc(sc->lpe_miibus); - -#ifndef __rtems__ - lpe_lock(sc); -#endif /* __rtems__ */ - - if ((mii->mii_media_status & IFM_ACTIVE) && - (mii->mii_media_status & IFM_AVALID)) - sc->lpe_flags |= LPE_FLAG_LINK; - else - sc->lpe_flags &= ~LPE_FLAG_LINK; - -#ifndef __rtems__ - lpe_unlock(sc); -#endif /* __rtems__ */ + rtems_status_code sc = RTEMS_SUCCESSFUL; + + e->control_task = rtems_task_self(); + + sc = rtems_event_send(task, event); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); + + sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); + + e->control_task = 0; } -static void -lpe_reset(struct lpe_softc *sc) +static inline uint32_t lpc_eth_increment( + uint32_t value, + uint32_t cycle +) { - uint32_t mac1; - -#ifndef __rtems__ - /* Enter soft reset mode */ - mac1 = lpe_read_4(sc, LPE_MAC1); - lpe_write_4(sc, LPE_MAC1, mac1 | LPE_MAC1_SOFTRESET | LPE_MAC1_RESETTX | - LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX); - - /* Reset registers, Tx path and Rx path */ - lpe_write_4(sc, LPE_COMMAND, LPE_COMMAND_REGRESET | - LPE_COMMAND_TXRESET | LPE_COMMAND_RXRESET); - - /* Set station address */ - lpe_write_4(sc, LPE_SA2, sc->lpe_enaddr[1] << 8 | sc->lpe_enaddr[0]); - lpe_write_4(sc, LPE_SA1, sc->lpe_enaddr[3] << 8 | sc->lpe_enaddr[2]); - lpe_write_4(sc, LPE_SA0, sc->lpe_enaddr[5] << 8 | sc->lpe_enaddr[4]); - - /* Leave soft reset mode */ - mac1 = lpe_read_4(sc, LPE_MAC1); - lpe_write_4(sc, LPE_MAC1, mac1 & ~(LPE_MAC1_SOFTRESET | LPE_MAC1_RESETTX | - LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX)); -#else /* __rtems__ */ - /* Reset registers, Tx path and Rx path */ - lpe_write_4(sc, LPE_COMMAND, LPE_COMMAND_REGRESET | LPE_COMMAND_TXRESET | LPE_COMMAND_RXRESET); - - /* Enter soft reset mode */ - mac1 = lpe_read_4(sc, LPE_MAC1); - lpe_write_4(sc, LPE_MAC1, mac1 | LPE_MAC1_SOFTRESET | LPE_MAC1_RESETTX | - LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX); - - /* Leave soft reset mode */ - mac1 = lpe_read_4(sc, LPE_MAC1); - lpe_write_4(sc, LPE_MAC1, mac1 & ~(LPE_MAC1_SOFTRESET | LPE_MAC1_RESETTX | - LPE_MAC1_RESETMCSTX | LPE_MAC1_RESETRX | LPE_MAC1_RESETMCSRX)); - - /* Reinitialize registers */ - lpe_write_4(sc, LPE_MCFG, LPE_MCFG_CLKSEL(0x7)); - lpe_write_4(sc, LPE_MAC2, LPE_MAC2_PADCRCENABLE | LPE_MAC2_CRCENABLE | LPE_MAC2_FULLDUPLEX); - lpe_write_4(sc, LPE_IPGT, 0x15); - lpe_write_4(sc, LPE_IPGR, 0x12); - lpe_write_4(sc, LPE_CLRT, 0x370f); - lpe_write_4(sc, LPE_MAXF, 0x0600); - lpe_write_4(sc, LPE_SUPP, LPE_SUPP_SPEED); - lpe_write_4(sc, LPE_TEST, 0x0); -#ifdef LPC32XX_ETHERNET_RMII - lpe_write_4(sc, LPE_COMMAND, LPE_COMMAND_FULLDUPLEX | LPE_COMMAND_RMII); -#else - lpe_write_4(sc, LPE_COMMAND, LPE_COMMAND_FULLDUPLEX); -#endif - lpe_write_4(sc, LPE_INTENABLE, 0x0); - lpe_write_4(sc, LPE_INTCLEAR, 0x30ff); - lpe_write_4(sc, LPE_POWERDOWN, 0x0); - - /* Set station address */ - lpe_write_4(sc, LPE_SA2, sc->lpe_enaddr[1] << 8 | sc->lpe_enaddr[0]); - lpe_write_4(sc, LPE_SA1, sc->lpe_enaddr[3] << 8 | sc->lpe_enaddr[2]); - lpe_write_4(sc, LPE_SA0, sc->lpe_enaddr[5] << 8 | sc->lpe_enaddr[4]); -#endif /* __rtems__ */ + if (value < cycle) { + return ++value; + } else { + return 0; + } } -static void -lpe_init(void *arg) +static void lpc_eth_enable_promiscous_mode(bool enable) { - struct lpe_softc *sc = (struct lpe_softc *)arg; - - lpe_lock(sc); - lpe_init_locked(sc); - lpe_unlock(sc); + if (enable) { + lpc_eth->rxfilterctrl = ETH_RX_FIL_CTRL_ACCEPT_UNICAST + | ETH_RX_FIL_CTRL_ACCEPT_MULTICAST + | ETH_RX_FIL_CTRL_ACCEPT_BROADCAST; + } else { + lpc_eth->rxfilterctrl = ETH_RX_FIL_CTRL_ACCEPT_PERFECT + | ETH_RX_FIL_CTRL_ACCEPT_MULTICAST_HASH + | ETH_RX_FIL_CTRL_ACCEPT_BROADCAST; + } } -static void -lpe_init_locked(struct lpe_softc *sc) +static void lpc_eth_interrupt_handler(void *arg) { - struct ifnet *ifp = sc->lpe_ifp; - uint32_t cmd, mac1; - - lpe_lock_assert(sc); - - if (ifp->if_drv_flags & IFF_DRV_RUNNING) - return; + lpc_eth_driver_entry *e = (lpc_eth_driver_entry *) arg; + rtems_event_set re = 0; + rtems_event_set te = 0; + uint32_t ie = 0; + + /* Get interrupt status */ + uint32_t im = lpc_eth->intenable; + uint32_t is = lpc_eth->intstatus & im; + + /* Check receive interrupts */ + if ((is & (ETH_INT_RX_OVERRUN | ETH_INT_TX_UNDERRUN)) != 0) { + if ((is & ETH_INT_RX_OVERRUN) != 0) { + re = LPC_ETH_EVENT_INIT_RX; + ++e->receive_fatal_errors; + } + + if ((is & ETH_INT_TX_UNDERRUN) != 0) { + re = LPC_ETH_EVENT_INIT_TX; + ++e->transmit_fatal_errors; + } + } else if ((is & LPC_ETH_INTERRUPT_RECEIVE) != 0) { + re = LPC_ETH_EVENT_INTERRUPT; + ie |= LPC_ETH_INTERRUPT_RECEIVE; + ++e->receive_interrupts; + } + + /* Send events to receive task */ + if (re != 0) { + (void) rtems_event_send(e->receive_task, re); + } + + LPC_ETH_PRINTK("interrupt: rx = 0x%08x, tx = 0x%08x\n", re, te); + + /* Update interrupt mask */ + lpc_eth->intenable = im & ~ie; + + /* Clear interrupts */ + lpc_eth->intclear = is; +} - /* Enable Tx and Rx */ - cmd = lpe_read_4(sc, LPE_COMMAND); - lpe_write_4(sc, LPE_COMMAND, cmd | LPE_COMMAND_RXENABLE | - LPE_COMMAND_TXENABLE | LPE_COMMAND_PASSRUNTFRAME); +static void lpc_eth_enable_receive_interrupts(void) +{ + rtems_interrupt_level level; - /* Enable receive */ - mac1 = lpe_read_4(sc, LPE_MAC1); -#ifdef __rtems__ - (void)mac1; -#endif /* __rtems__ */ - lpe_write_4(sc, LPE_MAC1, /*mac1 |*/ LPE_MAC1_RXENABLE | LPE_MAC1_PASSALL); + rtems_interrupt_disable(level); + lpc_eth->intenable |= LPC_ETH_INTERRUPT_RECEIVE; + rtems_interrupt_enable(level); +} - lpe_write_4(sc, LPE_MAC2, LPE_MAC2_CRCENABLE | LPE_MAC2_PADCRCENABLE | - LPE_MAC2_FULLDUPLEX); +static void lpc_eth_disable_receive_interrupts(void) +{ + rtems_interrupt_level level; - lpe_write_4(sc, LPE_MCFG, LPE_MCFG_CLKSEL(7)); + rtems_interrupt_disable(level); + lpc_eth->intenable &= ~LPC_ETH_INTERRUPT_RECEIVE; + rtems_interrupt_enable(level); +} - /* Set up Rx filter */ - lpe_set_rxmode(sc); +static void lpc_eth_initialize_transmit(lpc_eth_driver_entry *e) +{ + volatile uint32_t *const status = e->tx_status_table; + uint32_t const index_max = e->tx_unit_count - 1; + volatile lpc_eth_transfer_descriptor *const desc = e->tx_desc_table; + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + struct mbuf **const mbufs = e->tx_buf_table; + #else + char *const buf = e->tx_buf_table; + #endif + uint32_t produce_index; + + /* Disable transmitter */ + lpc_eth->command &= ~ETH_CMD_TX_ENABLE; + + /* Wait for inactive status */ + while ((lpc_eth->status & ETH_STAT_TX_ACTIVE) != 0) { + /* Wait */ + } + + /* Reset */ + lpc_eth->command |= ETH_CMD_TX_RESET; + + /* Transmit descriptors */ + lpc_eth->txdescriptornum = index_max; + lpc_eth->txdescriptor = (uint32_t) desc; + lpc_eth->txstatus = (uint32_t) status; + + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + /* Discard outstanding fragments (= data loss) */ + for (produce_index = 0; produce_index <= index_max; ++produce_index) { + m_freem(mbufs [produce_index]); + mbufs [produce_index] = NULL; + } + #else + /* Initialize descriptor table */ + for (produce_index = 0; produce_index <= index_max; ++produce_index) { + desc [produce_index].start = + (uint32_t) (buf + produce_index * LPC_ETH_CONFIG_TX_BUF_SIZE); + } + #endif + + /* Initialize indices */ + e->tx_produce_index = lpc_eth->txproduceindex; + e->tx_consume_index = lpc_eth->txconsumeindex; + + /* Enable transmitter */ + lpc_eth->command |= ETH_CMD_TX_ENABLE; +} - /* Enable interrupts */ - lpe_write_4(sc, LPE_INTENABLE, LPE_INT_RXOVERRUN | LPE_INT_RXERROR | - LPE_INT_RXFINISH | LPE_INT_RXDONE | LPE_INT_TXUNDERRUN | - LPE_INT_TXERROR | LPE_INT_TXFINISH | LPE_INT_TXDONE); +#define LPC_ETH_RX_DATA_OFFSET 2 - sc->lpe_cdata.lpe_tx_prod = 0; - sc->lpe_cdata.lpe_tx_last = 0; - sc->lpe_cdata.lpe_tx_used = 0; +static struct mbuf *lpc_eth_new_mbuf(struct ifnet *ifp, bool wait) +{ + struct mbuf *m = NULL; + int mw = wait ? M_WAITOK : M_NOWAIT; + + MGETHDR(m, mw, MT_DATA); + if (m != NULL) { + MCLGET(m, mw); + if ((m->m_flags & M_EXT) != 0) { + /* Set receive interface */ + m->m_pkthdr.rcvif = ifp; + + /* Adjust by two bytes for proper IP header alignment */ + m->m_data = mtod(m, char *) + LPC_ETH_RX_DATA_OFFSET; + + return m; + } else { + m_free(m); + } + } + + return NULL; +} - lpe_init_rx(sc); +static bool lpc_eth_add_new_mbuf( + struct ifnet *ifp, + volatile lpc_eth_transfer_descriptor *desc, + struct mbuf **mbufs, + uint32_t i, + bool wait +) +{ + /* New mbuf */ + struct mbuf *m = lpc_eth_new_mbuf(ifp, wait); + + /* Check mbuf */ + if (m != NULL) { + /* Cache invalidate */ + rtems_cache_invalidate_multiple_data_lines( + mtod(m, void *), + MCLBYTES - LPC_ETH_RX_DATA_OFFSET + ); + + /* Add mbuf to queue */ + desc [i].start = mtod(m, uint32_t); + desc [i].control = (MCLBYTES - LPC_ETH_RX_DATA_OFFSET - 1) + | ETH_RX_CTRL_INTERRUPT; + + /* Cache flush of descriptor */ + rtems_cache_flush_multiple_data_lines( + (void *) &desc [i], + sizeof(desc [0]) + ); + + /* Add mbuf to table */ + mbufs [i] = m; + + return true; + } else { + return false; + } +} - /* Initialize Rx packet and status descriptor heads */ - lpe_write_4(sc, LPE_RXDESC, sc->lpe_rdata.lpe_rx_ring_phys); - lpe_write_4(sc, LPE_RXSTATUS, sc->lpe_rdata.lpe_rx_status_phys); - lpe_write_4(sc, LPE_RXDESC_NUMBER, LPE_RXDESC_NUM - 1); - lpe_write_4(sc, LPE_RXDESC_CONS, 0); +static void lpc_eth_receive_task(rtems_task_argument arg) +{ + rtems_status_code sc = RTEMS_SUCCESSFUL; + rtems_event_set events = 0; + lpc_eth_driver_entry *const e = (lpc_eth_driver_entry *) arg; + struct ifnet *const ifp = e->ifp; + volatile lpc_eth_transfer_descriptor *const desc = e->rx_desc_table; + volatile lpc_eth_receive_status *const status = e->rx_status_table; + struct mbuf **const mbufs = e->rx_mbuf_table; + uint32_t const index_max = e->rx_unit_count - 1; + uint32_t produce_index = 0; + uint32_t consume_index = 0; + + LPC_ETH_PRINTF("%s\n", __func__); + + /* Main event loop */ + while (true) { + /* Wait for events */ + sc = rtems_event_receive( + LPC_ETH_EVENT_INIT_RX + | LPC_ETH_EVENT_INIT_TX + | LPC_ETH_EVENT_STOP + | LPC_ETH_EVENT_INTERRUPT, + RTEMS_EVENT_ANY | RTEMS_WAIT, + RTEMS_NO_TIMEOUT, + &events + ); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); + + LPC_ETH_PRINTF("rx: wake up: 0x%08" PRIx32 "\n", events); + + /* Stop receiver? */ + if ((events & LPC_ETH_EVENT_STOP) != 0) { + lpc_eth_control_request_complete(e); + + /* Wait for events */ + continue; + } + + /* Initialize receiver or transmitter? */ + if ((events & (LPC_ETH_EVENT_INIT_RX | LPC_ETH_EVENT_INIT_TX)) != 0) { + if ((events & LPC_ETH_EVENT_INIT_RX) != 0) { + /* Disable receive interrupts */ + lpc_eth_disable_receive_interrupts(); + + /* Disable receiver */ + lpc_eth->command &= ~ETH_CMD_RX_ENABLE; + + /* Wait for inactive status */ + while ((lpc_eth->status & ETH_STAT_RX_ACTIVE) != 0) { + /* Wait */ + } + + /* Reset */ + lpc_eth->command |= ETH_CMD_RX_RESET; + + /* Clear receive interrupts */ + lpc_eth->intclear = LPC_ETH_INTERRUPT_RECEIVE; + + /* Move existing mbufs to the front */ + consume_index = 0; + for (produce_index = 0; produce_index <= index_max; ++produce_index) { + if (mbufs [produce_index] != NULL) { + mbufs [consume_index] = mbufs [produce_index]; + ++consume_index; + } + } + + /* Fill receive queue */ + for ( + produce_index = consume_index; + produce_index <= index_max; + ++produce_index + ) { + lpc_eth_add_new_mbuf(ifp, desc, mbufs, produce_index, true); + } + + /* Receive descriptor table */ + lpc_eth->rxdescriptornum = index_max; + lpc_eth->rxdescriptor = (uint32_t) desc; + lpc_eth->rxstatus = (uint32_t) status; + + /* Initialize indices */ + produce_index = lpc_eth->rxproduceindex; + consume_index = lpc_eth->rxconsumeindex; + + /* Enable receiver */ + lpc_eth->command |= ETH_CMD_RX_ENABLE; + + /* Enable receive interrupts */ + lpc_eth_enable_receive_interrupts(); + + lpc_eth_control_request_complete(e); + } + + if ((events & LPC_ETH_EVENT_INIT_TX) != 0) { + LPE_LOCK(e); + lpc_eth_initialize_transmit(e); + LPE_UNLOCK(e); + } + + /* Wait for events */ + continue; + } + + while (true) { + /* Clear receive interrupt status */ + lpc_eth->intclear = LPC_ETH_INTERRUPT_RECEIVE; + + /* Get current produce index */ + produce_index = lpc_eth->rxproduceindex; + + if (consume_index != produce_index) { + uint32_t stat = 0; + + /* Fragment status */ + rtems_cache_invalidate_multiple_data_lines( + (void *) &status [consume_index], + sizeof(status [0]) + ); + stat = status [consume_index].info; + + if ( + (stat & ETH_RX_STAT_LAST_FLAG) != 0 + && (stat & LPC_ETH_RX_STAT_ERRORS) == 0 + ) { + /* Received mbuf */ + struct mbuf *m = mbufs [consume_index]; + + if (lpc_eth_add_new_mbuf(ifp, desc, mbufs, consume_index, false)) { + /* Discard Ethernet CRC */ + int sz = (int) (stat & ETH_RX_STAT_RXSIZE_MASK) + 1 - ETHER_CRC_LEN; + + /* Update mbuf */ + m->m_len = sz; + m->m_pkthdr.len = sz; + + LPC_ETH_PRINTF("rx: %02" PRIu32 ": %u\n", consume_index, sz); + + /* Hand over */ + (*ifp->if_input)(ifp, m); + + /* Increment received frames counter */ + ++e->received_frames; + } else { + ++e->receive_drop_errors; + } + } else { + /* Update error counters */ + if ((stat & ETH_RX_STAT_OVERRUN) != 0) { + ++e->receive_overrun_errors; + } + if ((stat & ETH_RX_STAT_LAST_FLAG) == 0) { + ++e->receive_fragment_errors; + } + if ((stat & ETH_RX_STAT_CRC_ERROR) != 0) { + ++e->receive_crc_errors; + } + if ((stat & ETH_RX_STAT_SYMBOL_ERROR) != 0) { + ++e->receive_symbol_errors; + } + if ((stat & ETH_RX_STAT_LENGTH_ERROR) != 0) { + ++e->receive_length_errors; + } + if ((stat & ETH_RX_STAT_ALIGNMENT_ERROR) != 0) { + ++e->receive_alignment_errors; + } + if ((stat & ETH_RX_STAT_NO_DESCRIPTOR) != 0) { + ++e->receive_no_descriptor_errors; + } + } + + /* Increment and update consume index */ + consume_index = lpc_eth_increment(consume_index, index_max); + lpc_eth->rxconsumeindex = consume_index; + } else { + /* Nothing to do, enable receive interrupts */ + lpc_eth_enable_receive_interrupts(); + break; + } + } + } +} - /* Initialize Tx packet and status descriptor heads */ - lpe_write_4(sc, LPE_TXDESC, sc->lpe_rdata.lpe_tx_ring_phys); - lpe_write_4(sc, LPE_TXSTATUS, sc->lpe_rdata.lpe_tx_status_phys); - lpe_write_4(sc, LPE_TXDESC_NUMBER, LPE_TXDESC_NUM - 1); - lpe_write_4(sc, LPE_TXDESC_PROD, 0); +static struct mbuf *lpc_eth_next_fragment( + struct ifnet *ifp, + struct mbuf *m, + uint32_t *ctrl +) +{ + struct mbuf *n; + int size; + + while (true) { + /* Get fragment size */ + size = m->m_len; + + if (size > 0) { + /* Now we have a not empty fragment */ + break; + } else { + /* Skip empty fragments */ + m = m->m_next; + + if (m == NULL) { + return NULL; + } + } + } + + /* Set fragment size */ + *ctrl = (uint32_t) (size - 1); + + /* Discard empty successive fragments */ + n = m->m_next; + while (n != NULL && n->m_len <= 0) { + n = m_free(n); + } + m->m_next = n; + + /* Is our fragment the last in the frame? */ + if (n == NULL) { + *ctrl |= LPC_ETH_LAST_FRAGMENT_FLAGS; + } + + return m; +} - ifp->if_drv_flags |= IFF_DRV_RUNNING; - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; +static void lpc_eth_tx_reclaim(lpc_eth_driver_entry *e, struct ifnet *ifp) +{ + volatile uint32_t *const status = e->tx_status_table; + volatile lpc_eth_transfer_descriptor *const desc = e->tx_desc_table; + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + struct mbuf **const mbufs = e->tx_buf_table; + #else + char *const buf = e->tx_buf_table; + #endif + uint32_t const index_max = e->tx_unit_count - 1; + uint32_t consume_index = e->tx_consume_index; + + /* Free consumed fragments */ + while (true) { + /* Save last known consume index */ + uint32_t c = consume_index; + + /* Get new consume index */ + consume_index = lpc_eth->txconsumeindex; + + /* Nothing consumed in the meantime? */ + if (c == consume_index) { + break; + } + + while (c != consume_index) { + uint32_t s = status [c]; + + /* Update error counters */ + if ((s & (ETH_TX_STAT_ERROR | ETH_TX_STAT_NO_DESCRIPTOR)) != 0) { + if ((s & ETH_TX_STAT_UNDERRUN) != 0) { + ++e->transmit_underrun_errors; + } + if ((s & ETH_TX_STAT_LATE_COLLISION) != 0) { + ++e->transmit_late_collision_errors; + } + if ((s & ETH_TX_STAT_EXCESSIVE_COLLISION) != 0) { + ++e->transmit_excessive_collision_errors; + } + if ((s & ETH_TX_STAT_EXCESSIVE_DEFER) != 0) { + ++e->transmit_excessive_defer_errors; + } + if ((s & ETH_TX_STAT_NO_DESCRIPTOR) != 0) { + ++e->transmit_no_descriptor_errors; + } + } + + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + /* Release mbuf */ + m_freem(mbufs [c]); + mbufs [c] = NULL; + #endif + + /* Next consume index */ + c = lpc_eth_increment(c, index_max); + } + } + + e->tx_consume_index = consume_index; +} - callout_reset(&sc->lpe_tick, hz, lpe_tick, sc); +static int lpc_eth_tx_enqueue( + lpc_eth_driver_entry *e, + struct ifnet *ifp, + struct mbuf *m0 +) +{ + volatile lpc_eth_transfer_descriptor *const desc = e->tx_desc_table; + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + struct mbuf **const mbufs = e->tx_buf_table; + #else + char *const buf = e->tx_buf_table; + uint32_t frame_length; + char *frame_buffer; + #endif + uint32_t const index_max = e->tx_unit_count - 1; + uint32_t produce_index = e->tx_produce_index; + uint32_t consume_index = e->tx_consume_index; + struct mbuf *m = m0; + + while (true) { + uint32_t ctrl; + + /* Compute next produce index */ + uint32_t p = lpc_eth_increment(produce_index, index_max); + + /* Queue full? */ + if (p == consume_index) { + LPC_ETH_PRINTF("tx: full queue: 0x%08x\n", m); + + /* The queue is full */ + return ENOBUFS; + } + + /* Get next fragment and control value */ + m = lpc_eth_next_fragment(ifp, m, &ctrl); + + /* New fragment? */ + if (m != NULL) { + #ifdef LPC_ETH_CONFIG_USE_TRANSMIT_DMA + /* Set the transfer data */ + rtems_cache_flush_multiple_data_lines( + mtod(m, const void *), + (size_t) m->m_len + ); + desc [produce_index].start = mtod(m, uint32_t); + desc [produce_index].control = ctrl; + rtems_cache_flush_multiple_data_lines( + (void *) &desc [produce_index], + sizeof(desc [0]) + ); + + LPC_ETH_PRINTF( + "tx: %02" PRIu32 ": %u %s\n", + produce_index, m->m_len, + (ctrl & ETH_TX_CTRL_LAST) != 0 ? "L" : "" + ); + + /* Next produce index */ + produce_index = p; + + /* Last fragment of a frame? */ + if ((ctrl & ETH_TX_CTRL_LAST) != 0) { + /* Update the produce index */ + lpc_eth->txproduceindex = produce_index; + e->tx_produce_index = produce_index; + + mbufs [produce_index] = m0; + + /* Increment transmitted frames counter */ + ++e->transmitted_frames; + + return 0; + } + + /* Next fragment of the frame */ + m = m->m_next; + #else + size_t fragment_length = (size_t) m->m_len; + void *fragment_start = mtod(m, void *); + uint32_t new_frame_length = frame_length + fragment_length; + + /* Check buffer size */ + if (new_frame_length > LPC_ETH_CONFIG_TX_BUF_SIZE) { + LPC_ETH_PRINTF("tx: overflow\n"); + + /* Discard overflow data */ + new_frame_length = LPC_ETH_CONFIG_TX_BUF_SIZE; + fragment_length = new_frame_length - frame_length; + + /* Finalize frame */ + ctrl |= LPC_ETH_LAST_FRAGMENT_FLAGS; + + /* Update error counter */ + ++e->transmit_overflow_errors; + } + + LPC_ETH_PRINTF( + "tx: copy: %" PRIu32 "%s%s\n", + fragment_length, + (m->m_flags & M_EXT) != 0 ? ", E" : "", + (m->m_flags & M_PKTHDR) != 0 ? ", H" : "" + ); + + /* Copy fragment to buffer in Ethernet RAM */ + memcpy(frame_buffer, fragment_start, fragment_length); + + if ((ctrl & ETH_TX_CTRL_LAST) != 0) { + /* Finalize descriptor */ + desc [produce_index].control = (ctrl & ~ETH_TX_CTRL_SIZE_MASK) + | (new_frame_length - 1); + + LPC_ETH_PRINTF( + "tx: %02" PRIu32 ": %" PRIu32 "\n", + produce_index, + new_frame_length + ); + + /* Cache flush of data */ + rtems_cache_flush_multiple_data_lines( + (const void *) desc [produce_index].start, + new_frame_length + ); + + /* Cache flush of descriptor */ + rtems_cache_flush_multiple_data_lines( + (void *) &desc [produce_index], + sizeof(desc [0]) + ); + + /* Next produce index */ + produce_index = p; + + /* Update the produce index */ + lpc_eth->txproduceindex = produce_index; + + /* Fresh frame length and buffer start */ + frame_length = 0; + frame_buffer = (char *) desc [produce_index].start; + + /* Increment transmitted frames counter */ + ++e->transmitted_frames; + } else { + /* New frame length */ + frame_length = new_frame_length; + + /* Update current frame buffer start */ + frame_buffer += fragment_length; + } + + /* Free mbuf and get next */ + m = m_free(m); + #endif + } else { + /* Nothing to transmit */ + m_freem(m0); + return 0; + } + } } -static void -lpe_start(struct ifnet *ifp) +static int lpc_eth_mdio_wait_for_not_busy(void) { - struct lpe_softc *sc = (struct lpe_softc *)ifp->if_softc; + rtems_interval one_second = rtems_clock_get_ticks_per_second(); + rtems_interval i = 0; - lpe_lock(sc); - lpe_start_locked(ifp); - lpe_unlock(sc); + while ((lpc_eth->mind & ETH_MIND_BUSY) != 0 && i < one_second) { + rtems_task_wake_after(1); + ++i; + } + + LPC_ETH_PRINTK("tx: lpc_eth_mdio_wait %s after %d\n", + i != one_second? "succeed": "timeout", i); + + return i != one_second ? 0 : ETIMEDOUT; } -static void -lpe_start_locked(struct ifnet *ifp) +static uint32_t lpc_eth_mdio_read_anlpar(int phy) { - struct lpe_softc *sc = (struct lpe_softc *)ifp->if_softc; - struct mbuf *m_head; - int encap = 0; + uint32_t madr = ETH_MADR_REG(MII_ANLPAR) | ETH_MADR_PHY(phy); + uint32_t anlpar = 0; + int eno = 0; - lpe_lock_assert(sc); + if (lpc_eth->madr != madr) { + lpc_eth->madr = madr; + } - while (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) { - if (lpe_read_4(sc, LPE_TXDESC_PROD) == - lpe_read_4(sc, LPE_TXDESC_CONS) - 5) - break; + if (lpc_eth->mcmd != ETH_MCMD_READ) { + lpc_eth->mcmd = 0; + lpc_eth->mcmd = ETH_MCMD_READ; + } - /* Dequeue first packet */ - IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); - if (!m_head) - break; + eno = lpc_eth_mdio_wait_for_not_busy(); + if (eno == 0) { + anlpar = lpc_eth->mrdd; + } - lpe_encap(sc, &m_head); + /* Start next read */ + lpc_eth->mcmd = 0; + lpc_eth->mcmd = ETH_MCMD_READ; - encap++; - } - - /* Submit new descriptor list */ - if (encap) { - lpe_write_4(sc, LPE_TXDESC_PROD, sc->lpe_cdata.lpe_tx_prod); - sc->lpe_watchdog_timer = 5; - } - + return anlpar; } -#ifdef __rtems__ -static int -lpe_get_segs_for_tx(struct mbuf *m, bus_dma_segment_t segs[LPE_MAXFRAGS], - int *nsegs) +static int lpc_eth_mdio_read( + int phy, + void *arg RTEMS_UNUSED, + unsigned reg, + uint32_t *val +) { - int i = 0; - - do { - if (m->m_len > 0) { - segs[i].ds_addr = mtod(m, bus_addr_t); - segs[i].ds_len = m->m_len; -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_flush_multiple_data_lines(m->m_data, m->m_len); -#endif - ++i; - } - m = m->m_next; - if (m == NULL) { - *nsegs = i; - return (0); - } - } while (i < LPE_MAXFRAGS); - return (EFBIG); + int eno = 0; + + if (0 <= phy && phy <= 31) { + lpc_eth->madr = ETH_MADR_REG(reg) | ETH_MADR_PHY(phy); + lpc_eth->mcmd = 0; + lpc_eth->mcmd = ETH_MCMD_READ; + eno = lpc_eth_mdio_wait_for_not_busy(); + + if (eno == 0) { + *val = lpc_eth->mrdd; + } + } else { + eno = EINVAL; + } + + return eno; } -#endif /* __rtems__ */ -static int -lpe_encap(struct lpe_softc *sc, struct mbuf **m_head) -{ - struct lpe_txdesc *txd; - struct lpe_hwdesc *hwd; - bus_dma_segment_t segs[LPE_MAXFRAGS]; - int i, err, nsegs, prod; - - lpe_lock_assert(sc); - M_ASSERTPKTHDR((*m_head)); - - prod = sc->lpe_cdata.lpe_tx_prod; - txd = &sc->lpe_cdata.lpe_tx_desc[prod]; - - debugf("starting with prod=%d\n", prod); - -#ifndef __rtems__ - err = bus_dmamap_load_mbuf_sg(sc->lpe_cdata.lpe_tx_buf_tag, - txd->lpe_txdesc_dmamap, *m_head, segs, &nsegs, BUS_DMA_NOWAIT); -#else /* __rtems__ */ - err = lpe_get_segs_for_tx(*m_head, segs, &nsegs); -#endif /* __rtems__ */ - - if (err) - return (err); - - if (nsegs == 0) { - m_freem(*m_head); - *m_head = NULL; - return (EIO); - } - -#ifndef __rtems__ - bus_dmamap_sync(sc->lpe_cdata.lpe_tx_buf_tag, txd->lpe_txdesc_dmamap, - BUS_DMASYNC_PREREAD); -#endif /* __rtems__ */ - bus_dmamap_sync(sc->lpe_cdata.lpe_tx_ring_tag, sc->lpe_cdata.lpe_tx_ring_map, - BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); - - txd->lpe_txdesc_first = 1; - txd->lpe_txdesc_mbuf = *m_head; - - for (i = 0; i < nsegs; i++) { - hwd = &sc->lpe_rdata.lpe_tx_ring[prod]; - hwd->lhr_data = segs[i].ds_addr; - hwd->lhr_control = segs[i].ds_len - 1; - - if (i == nsegs - 1) { - hwd->lhr_control |= LPE_HWDESC_LASTFLAG; - hwd->lhr_control |= LPE_HWDESC_INTERRUPT; - hwd->lhr_control |= LPE_HWDESC_CRC; - hwd->lhr_control |= LPE_HWDESC_PAD; - } - -#ifdef __rtems__ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_flush_multiple_data_lines(hwd, sizeof(*hwd)); -#endif -#endif /* __rtems__ */ - LPE_INC(prod, LPE_TXDESC_NUM); - } - bus_dmamap_sync(sc->lpe_cdata.lpe_tx_ring_tag, sc->lpe_cdata.lpe_tx_ring_map, - BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); +static int lpc_eth_mdio_write( + int phy, + void *arg RTEMS_UNUSED, + unsigned reg, + uint32_t val +) +{ + int eno = 0; - sc->lpe_cdata.lpe_tx_used += nsegs; - sc->lpe_cdata.lpe_tx_prod = prod; + if (0 <= phy && phy <= 31) { + lpc_eth->madr = ETH_MADR_REG(reg) | ETH_MADR_PHY(phy); + lpc_eth->mwtd = val; + eno = lpc_eth_mdio_wait_for_not_busy(); + } else { + eno = EINVAL; + } - return (0); + return eno; } -static void -lpe_stop(struct lpe_softc *sc) +static int lpc_eth_phy_get_id(int phy, uint32_t *id) { - lpe_lock(sc); - lpe_stop_locked(sc); - lpe_unlock(sc); -} + uint32_t id1 = 0; + int eno = lpc_eth_mdio_read(phy, NULL, MII_PHYIDR1, &id1); -static void -lpe_stop_locked(struct lpe_softc *sc) -{ - lpe_lock_assert(sc); + if (eno == 0) { + uint32_t id2 = 0; - callout_stop(&sc->lpe_tick); + eno = lpc_eth_mdio_read(phy, NULL, MII_PHYIDR2, &id2); + if (eno == 0) { + *id = (id1 << 16) | (id2 & 0xfff0); + } + } - /* Disable interrupts */ - lpe_write_4(sc, LPE_INTCLEAR, 0xffffffff); + return eno; +} - /* Stop EMAC */ - lpe_write_4(sc, LPE_MAC1, 0); - lpe_write_4(sc, LPE_MAC2, 0); - lpe_write_4(sc, LPE_COMMAND, 0); +#define PHY_KSZ80X1RNL 0x221550 +#define PHY_DP83848 0x20005c90 - sc->lpe_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - sc->lpe_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; -} +typedef struct { + unsigned reg; + uint32_t set; + uint32_t clear; +} lpc_eth_phy_action; -static int -lpe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) +static int lpc_eth_phy_set_and_clear( + lpc_eth_driver_entry *e, + const lpc_eth_phy_action *actions, + size_t n +) { - struct lpe_softc *sc = ifp->if_softc; - struct mii_data *mii = device_get_softc(sc->lpe_miibus); - struct ifreq *ifr = (struct ifreq *)data; - int err = 0; - - switch (cmd) { - case SIOCSIFFLAGS: - lpe_lock(sc); - if (ifp->if_flags & IFF_UP) { - if (ifp->if_drv_flags & IFF_DRV_RUNNING) { - lpe_set_rxmode(sc); - lpe_set_rxfilter(sc); - } else - lpe_init_locked(sc); - } else - lpe_stop(sc); - lpe_unlock(sc); - break; - case SIOCADDMULTI: - case SIOCDELMULTI: - if (ifp->if_drv_flags & IFF_DRV_RUNNING) { - lpe_lock(sc); - lpe_set_rxfilter(sc); - lpe_unlock(sc); - } - break; - case SIOCGIFMEDIA: - case SIOCSIFMEDIA: - err = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); - break; - default: - err = ether_ioctl(ifp, cmd, data); - break; - } - - return (err); + int eno = 0; + size_t i; + + for (i = 0; eno == 0 && i < n; ++i) { + const lpc_eth_phy_action *action = &actions [i]; + uint32_t val; + + eno = lpc_eth_mdio_read(e->phy, NULL, action->reg, &val); + if (eno == 0) { + val |= action->set; + val &= ~action->clear; + eno = lpc_eth_mdio_write(e->phy, NULL, action->reg, val); + } + } + + return eno; } -static void lpe_set_rxmode(struct lpe_softc *sc) -{ - struct ifnet *ifp = sc->lpe_ifp; - uint32_t rxfilt; +static const lpc_eth_phy_action lpc_eth_phy_up_action_default [] = { + { MII_BMCR, 0, BMCR_PDOWN }, + { MII_BMCR, BMCR_RESET, 0 }, + { MII_BMCR, BMCR_AUTOEN, 0 } +}; - rxfilt = LPE_RXFILTER_UNIHASH | LPE_RXFILTER_MULTIHASH | LPE_RXFILTER_PERFECT; +static const lpc_eth_phy_action lpc_eth_phy_up_pre_action_KSZ80X1RNL [] = { + /* Disable slow oscillator mode */ + { 0x11, 0, 0x10 } +}; - if (ifp->if_flags & IFF_BROADCAST) - rxfilt |= LPE_RXFILTER_BROADCAST; +static const lpc_eth_phy_action lpc_eth_phy_up_post_action_KSZ80X1RNL [] = { + /* Enable energy detect power down (EDPD) mode */ + { 0x18, 0x0800, 0 }, + /* Turn PLL of automatically in EDPD mode */ + { 0x10, 0x10, 0 } +}; - if (ifp->if_flags & IFF_PROMISC) - rxfilt |= LPE_RXFILTER_UNICAST | LPE_RXFILTER_MULTICAST; +static int lpc_eth_phy_up(lpc_eth_driver_entry *e) +{ + int eno; + int retries = 64; + uint32_t val; + + e->phy = DEFAULT_PHY - 1; + while (true) { + e->phy = (e->phy + 1) % 32; + + --retries; + eno = lpc_eth_phy_get_id(e->phy, &e->phy_id); + if ( + (eno == 0 && e->phy_id != 0xfffffff0 && e->phy_id != 0) + || retries <= 0 + ) { + break; + } + + rtems_task_wake_after(1); + } + + LPC_ETH_PRINTF("lpc_eth_phy_get_id: 0x%08" PRIx32 " from phy %d retries %d\n", + e->phy_id, e->phy, retries); + + if (eno == 0) { + switch (e->phy_id) { + case PHY_KSZ80X1RNL: + eno = lpc_eth_phy_set_and_clear( + e, + &lpc_eth_phy_up_pre_action_KSZ80X1RNL [0], + RTEMS_ARRAY_SIZE(lpc_eth_phy_up_pre_action_KSZ80X1RNL) + ); + break; + case PHY_DP83848: + eno = lpc_eth_mdio_read(e->phy, NULL, 0x17, &val); + LPC_ETH_PRINTF("phy PHY_DP83848 RBR 0x%08" PRIx32 "\n", val); + /* val = 0x21; */ + val = 0x32 ; + eno = lpc_eth_mdio_write(e->phy, NULL, 0x17, val); + break; + case 0: + case 0xfffffff0: + eno = EIO; + e->phy = DEFAULT_PHY; + break; + default: + break; + } + + if (eno == 0) { + eno = lpc_eth_phy_set_and_clear( + e, + &lpc_eth_phy_up_action_default [0], + RTEMS_ARRAY_SIZE(lpc_eth_phy_up_action_default) + ); + } + + if (eno == 0) { + switch (e->phy_id) { + case PHY_KSZ80X1RNL: + eno = lpc_eth_phy_set_and_clear( + e, + &lpc_eth_phy_up_post_action_KSZ80X1RNL [0], + RTEMS_ARRAY_SIZE(lpc_eth_phy_up_post_action_KSZ80X1RNL) + ); + break; + default: + break; + } + } + } else { + e->phy_id = 0; + } + + return eno; +} - if (ifp->if_flags & IFF_ALLMULTI) - rxfilt |= LPE_RXFILTER_MULTICAST; +static const lpc_eth_phy_action lpc_eth_phy_down_action_default [] = { + { MII_BMCR, BMCR_PDOWN, 0 } +}; - lpe_write_4(sc, LPE_RXFILTER_CTRL, rxfilt); -} +static const lpc_eth_phy_action lpc_eth_phy_down_post_action_KSZ80X1RNL [] = { + /* Enable slow oscillator mode */ + { 0x11, 0x10, 0 } +}; -static void lpe_set_rxfilter(struct lpe_softc *sc) +static void lpc_eth_phy_down(lpc_eth_driver_entry *e) { - struct ifnet *ifp = sc->lpe_ifp; - struct ifmultiaddr *ifma; - int index; - uint32_t hashl, hashh; - - hashl = 0; - hashh = 0; - - if_maddr_rlock(ifp); - CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { - if (ifma->ifma_addr->sa_family != AF_LINK) - continue; - - index = ether_crc32_be(LLADDR((struct sockaddr_dl *) - ifma->ifma_addr), ETHER_ADDR_LEN) >> 23 & 0x3f; - - if (index > 31) - hashh |= (1 << (index - 32)); - else - hashl |= (1 << index); - } - if_maddr_runlock(ifp); - - /* Program new hash filter */ - lpe_write_4(sc, LPE_HASHFILTER_L, hashl); - lpe_write_4(sc, LPE_HASHFILTER_H, hashh); + int eno = lpc_eth_phy_set_and_clear( + e, + &lpc_eth_phy_down_action_default [0], + RTEMS_ARRAY_SIZE(lpc_eth_phy_down_action_default) + ); + + if (eno == 0) { + switch (e->phy_id) { + case PHY_KSZ80X1RNL: + eno = lpc_eth_phy_set_and_clear( + e, + &lpc_eth_phy_down_post_action_KSZ80X1RNL [0], + RTEMS_ARRAY_SIZE(lpc_eth_phy_down_post_action_KSZ80X1RNL) + ); + break; + default: + break; + } + } } -static void -lpe_intr(void *arg) +static void lpc_eth_soft_reset(void) { - struct lpe_softc *sc = (struct lpe_softc *)arg; - uint32_t intstatus; - - debugf("status=0x%08x\n", lpe_read_4(sc, LPE_INTSTATUS)); - - lpe_lock(sc); - - while ((intstatus = lpe_read_4(sc, LPE_INTSTATUS))) { - if (intstatus & LPE_INT_RXDONE) - lpe_rxintr(sc); - -#ifndef __rtems__ - if (intstatus & LPE_INT_TXDONE) - lpe_txintr(sc); - -#else /* __rtems__ */ - if (intstatus & LPE_INT_TXUNDERRUN) { - if_inc_counter(sc->lpe_ifp, IFCOUNTER_OERRORS, 1); - lpe_stop_locked(sc); - lpe_init_locked(sc); - } - else if (intstatus & (LPE_INT_TXERROR | LPE_INT_TXFINISH | LPE_INT_TXDONE)) - lpe_txintr(sc); -#endif /* __rtems__ */ - lpe_write_4(sc, LPE_INTCLEAR, 0xffff); - } - - lpe_unlock(sc); + lpc_eth->command = 0x38; + lpc_eth->mac1 = 0xcf00; + lpc_eth->mac1 = 0x0; } -static void -lpe_rxintr(struct lpe_softc *sc) +static int lpc_eth_up_or_down(lpc_eth_driver_entry *e, bool up) { - struct ifnet *ifp = sc->lpe_ifp; - struct lpe_hwdesc *hwd; - struct lpe_hwstatus *hws; - struct lpe_rxdesc *rxd; - struct mbuf *m; - int prod, cons; - - for (;;) { - prod = lpe_read_4(sc, LPE_RXDESC_PROD); - cons = lpe_read_4(sc, LPE_RXDESC_CONS); - - if (prod == cons) - break; - - rxd = &sc->lpe_cdata.lpe_rx_desc[cons]; - hwd = &sc->lpe_rdata.lpe_rx_ring[cons]; - hws = &sc->lpe_rdata.lpe_rx_status[cons]; -#ifdef __rtems__ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_invalidate_multiple_data_lines(rxd, sizeof(*rxd)); - rtems_cache_invalidate_multiple_data_lines(hwd, sizeof(*hwd)); - rtems_cache_invalidate_multiple_data_lines(hws, sizeof(*hws)); -#endif -#endif /* __rtems__ */ - - /* Check received frame for errors */ - if (hws->lhs_info & LPE_HWDESC_RXERRS) { - if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); - lpe_discard_rxbuf(sc, cons); - lpe_init_rxbuf(sc, cons); - goto skip; - } - - m = rxd->lpe_rxdesc_mbuf; -#ifdef __rtems__ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_invalidate_multiple_data_lines(m->m_data, m->m_len); -#endif -#endif /* __rtems__ */ - m->m_pkthdr.rcvif = ifp; - m->m_data += 2; - - if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); - - lpe_unlock(sc); - (*ifp->if_input)(ifp, m); - lpe_lock(sc); - - lpe_init_rxbuf(sc, cons); -skip: - LPE_INC(cons, LPE_RXDESC_NUM); - lpe_write_4(sc, LPE_RXDESC_CONS, cons); - } + int eno = 0; + rtems_status_code sc = RTEMS_SUCCESSFUL; + struct ifnet *ifp = e->ifp; + + if (up && e->state == LPC_ETH_STATE_DOWN) { + lpc_eth_config_module_enable(); + + /* Enable RX/TX reset and disable soft reset */ + lpc_eth->mac1 = 0xf00; + + /* Initialize PHY */ + /* Clock value 10 (divide by 44 ) is safe on LPC178x up to 100 MHz AHB clock */ + lpc_eth->mcfg = ETH_MCFG_CLOCK_SELECT(10) | ETH_MCFG_RESETMIIMGMT; + rtems_task_wake_after(1); + lpc_eth->mcfg = ETH_MCFG_CLOCK_SELECT(10); + rtems_task_wake_after(1); + eno = lpc_eth_phy_up(e); + + if (eno == 0) { + const uint8_t *eaddr; + + /* + * We must have a valid external clock from the PHY at this point, + * otherwise the system bus hangs and only a watchdog reset helps. + */ + lpc_eth_soft_reset(); + + /* Reinitialize registers */ + lpc_eth->mac2 = 0x31; + lpc_eth->ipgt = 0x15; + lpc_eth->ipgr = 0x12; + lpc_eth->clrt = 0x370f; + lpc_eth->maxf = 0x0600; + lpc_eth->supp = ETH_SUPP_SPEED; + lpc_eth->test = 0; + #ifdef LPC_ETH_CONFIG_RMII + lpc_eth->command = 0x0600; + #else + lpc_eth->command = 0x0400; + #endif + lpc_eth->intenable = ETH_INT_RX_OVERRUN | ETH_INT_TX_UNDERRUN; + lpc_eth->intclear = 0x30ff; + lpc_eth->powerdown = 0; + + /* MAC address */ + eaddr = IF_LLADDR(e->ifp); + lpc_eth->sa0 = ((uint32_t) eaddr [5] << 8) | (uint32_t) eaddr [4]; + lpc_eth->sa1 = ((uint32_t) eaddr [3] << 8) | (uint32_t) eaddr [2]; + lpc_eth->sa2 = ((uint32_t) eaddr [1] << 8) | (uint32_t) eaddr [0]; + + lpc_eth_setup_rxfilter(e); + + /* Enable receiver */ + lpc_eth->mac1 = 0x03; + + /* Initialize tasks */ + lpc_eth_control_request(e, e->receive_task, LPC_ETH_EVENT_INIT_RX); + lpc_eth_initialize_transmit(e); + + /* Install interrupt handler */ + sc = rtems_interrupt_handler_install( + e->interrupt_number, + "Ethernet", + RTEMS_INTERRUPT_UNIQUE, + lpc_eth_interrupt_handler, + e + ); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); + + /* Start watchdog timer */ + callout_reset(&e->watchdog_callout, hz, lpc_eth_interface_watchdog, e); + + /* Change state */ + ifp->if_drv_flags |= IFF_DRV_RUNNING; + e->state = LPC_ETH_STATE_UP; + } + } else if (!up && e->state == LPC_ETH_STATE_UP) { + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; + + /* Remove interrupt handler */ + sc = rtems_interrupt_handler_remove( + e->interrupt_number, + lpc_eth_interrupt_handler, + e + ); + BSD_ASSERT(sc == RTEMS_SUCCESSFUL); + + /* Stop task */ + lpc_eth_control_request(e, e->receive_task, LPC_ETH_EVENT_STOP); + + lpc_eth_soft_reset(); + lpc_eth_phy_down(e); + lpc_eth_config_module_disable(); + + /* Stop watchdog timer */ + callout_stop(&e->watchdog_callout); + + /* Change state */ + e->state = LPC_ETH_STATE_DOWN; + } + + return eno; } -static void -lpe_txintr(struct lpe_softc *sc) +static void lpc_eth_interface_init(void *arg) { - struct ifnet *ifp = sc->lpe_ifp; - struct lpe_hwdesc *hwd; - struct lpe_hwstatus *hws; - struct lpe_txdesc *txd; - int cons, last; - - for (;;) { - cons = lpe_read_4(sc, LPE_TXDESC_CONS); - last = sc->lpe_cdata.lpe_tx_last; - - if (cons == last) - break; - - txd = &sc->lpe_cdata.lpe_tx_desc[last]; - hwd = &sc->lpe_rdata.lpe_tx_ring[last]; - hws = &sc->lpe_rdata.lpe_tx_status[last]; - -#ifndef __rtems__ - bus_dmamap_sync(sc->lpe_cdata.lpe_tx_buf_tag, - txd->lpe_txdesc_dmamap, BUS_DMASYNC_POSTWRITE); -#else /* __rtems__ */ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_invalidate_multiple_data_lines(txd, sizeof(*txd)); - rtems_cache_invalidate_multiple_data_lines(hwd, sizeof(*hwd)); - rtems_cache_invalidate_multiple_data_lines(hws, sizeof(*hws)); -#endif -#endif /* __rtems__ */ - - if_inc_counter(ifp, IFCOUNTER_COLLISIONS, LPE_HWDESC_COLLISIONS(hws->lhs_info)); + lpc_eth_driver_entry *e = (lpc_eth_driver_entry *) arg; - if (hws->lhs_info & LPE_HWDESC_TXERRS) - if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); - else - if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); - - if (txd->lpe_txdesc_first) { -#ifndef __rtems__ - bus_dmamap_unload(sc->lpe_cdata.lpe_tx_buf_tag, - txd->lpe_txdesc_dmamap); -#endif /* __rtems__ */ - - m_freem(txd->lpe_txdesc_mbuf); - txd->lpe_txdesc_mbuf = NULL; - txd->lpe_txdesc_first = 0; - } + (void) lpc_eth_up_or_down(e, true); +} - sc->lpe_cdata.lpe_tx_used--; - LPE_INC(sc->lpe_cdata.lpe_tx_last, LPE_TXDESC_NUM); - } +static void lpc_eth_setup_rxfilter(lpc_eth_driver_entry *e) +{ + struct ifnet *ifp = e->ifp; + + lpc_eth_enable_promiscous_mode((ifp->if_flags & IFF_PROMISC) != 0); + + if ((ifp->if_flags & IFF_ALLMULTI)) { + lpc_eth->hashfilterl = 0xffffffff; + lpc_eth->hashfilterh = 0xffffffff; + } else { + struct ifmultiaddr *ifma; + + lpc_eth->hashfilterl = 0x0; + lpc_eth->hashfilterh = 0x0; + + if_maddr_rlock(ifp); + CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { + uint32_t crc; + uint32_t index; + + if (ifma->ifma_addr->sa_family != AF_LINK) + continue; + + /* XXX: ether_crc32_le() does not work, why? */ + crc = ether_crc32_be( + LLADDR((struct sockaddr_dl *) ifma->ifma_addr), + ETHER_ADDR_LEN + ); + index = (crc >> 23) & 0x3f; + + if (index < 32) { + lpc_eth->hashfilterl |= 1U << index; + } else { + lpc_eth->hashfilterh |= 1U << (index - 32); + } + } + if_maddr_runlock(ifp); + } +} - if (!sc->lpe_cdata.lpe_tx_used) - sc->lpe_watchdog_timer = 0; +static int lpc_eth_interface_ioctl( + struct ifnet *ifp, + ioctl_command_t cmd, + caddr_t data +) +{ + lpc_eth_driver_entry *e = (lpc_eth_driver_entry *) ifp->if_softc; + struct ifreq *ifr = (struct ifreq *) data; + int eno = 0; + + LPC_ETH_PRINTF("%s\n", __func__); + + switch (cmd) { + case SIOCGIFMEDIA: + case SIOCSIFMEDIA: + eno = ifmedia_ioctl(ifp, ifr, &e->ifmedia, cmd); + break; + case SIOCGIFADDR: + case SIOCSIFADDR: + ether_ioctl(ifp, cmd, data); + break; + case SIOCSIFFLAGS: + LPE_LOCK(e); + if (ifp->if_flags & IFF_UP) { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + if ((ifp->if_flags ^ e->if_flags) & (IFF_PROMISC | IFF_ALLMULTI)) { + lpc_eth_setup_rxfilter(e); + } + } else { + eno = lpc_eth_up_or_down(e, true); + } + } else { + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + eno = lpc_eth_up_or_down(e, false); + } + } + e->if_flags = ifp->if_flags; + LPE_UNLOCK(e); + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + LPE_LOCK(e); + lpc_eth_setup_rxfilter(e); + LPE_UNLOCK(e); + } + break; + default: + eno = ether_ioctl(ifp, cmd, data); + break; + } + + return eno; } -static void -lpe_tick(void *arg) +static int lpc_eth_interface_transmit(struct ifnet *ifp, struct mbuf *m) { - struct lpe_softc *sc = (struct lpe_softc *)arg; - struct mii_data *mii = device_get_softc(sc->lpe_miibus); + lpc_eth_driver_entry *e = (lpc_eth_driver_entry *) ifp->if_softc; + int eno; - lpe_lock_assert(sc); - - mii_tick(mii); - lpe_watchdog(sc); + LPE_LOCK(e); - callout_reset(&sc->lpe_tick, hz, lpe_tick, sc); -} + if (e->state == LPC_ETH_STATE_UP) { + eno = lpc_eth_tx_enqueue(e, ifp, m); + lpc_eth_tx_reclaim(e, ifp); -static void -lpe_watchdog(struct lpe_softc *sc) -{ - struct ifnet *ifp = sc->lpe_ifp; + if (__predict_false(eno != 0)) { + struct mbuf *n; - lpe_lock_assert(sc); + n = m_defrag(m, M_NOWAIT); + if (n != NULL) { + m = n; + } - if (sc->lpe_watchdog_timer == 0 || sc->lpe_watchdog_timer--) - return; + eno = lpc_eth_tx_enqueue(e, ifp, m); + } + } else { + eno = ENETDOWN; + } - /* Chip has stopped responding */ - device_printf(sc->lpe_dev, "WARNING: chip hangup, restarting...\n"); - lpe_stop_locked(sc); - lpe_init_locked(sc); + if (eno != 0) { + m_freem(m); + if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1); + } - /* Try to resend packets */ - if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) - lpe_start_locked(ifp); + LPE_UNLOCK(e); + return eno; } -static int -lpe_dma_alloc(struct lpe_softc *sc) +static void lpc_eth_interface_watchdog(void *arg) { - int err; - - /* Create parent DMA tag */ - err = bus_dma_tag_create( - bus_get_dma_tag(sc->lpe_dev), - 1, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR_32BIT, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - BUS_SPACE_MAXSIZE_32BIT, 0, /* maxsize, nsegments */ - BUS_SPACE_MAXSIZE_32BIT, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_parent_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create parent DMA tag\n"); - return (err); - } - - err = lpe_dma_alloc_rx(sc); - if (err) - return (err); - - err = lpe_dma_alloc_tx(sc); - if (err) - return (err); - - return (0); + lpc_eth_driver_entry *e = (lpc_eth_driver_entry *) arg; + + if (e->state == LPC_ETH_STATE_UP) { + uint32_t anlpar = lpc_eth_mdio_read_anlpar(e->phy); + + if (e->anlpar != anlpar) { + bool full_duplex = false; + bool speed = false; + + e->anlpar = anlpar; + + if ((anlpar & ANLPAR_TX_FD) != 0) { + full_duplex = true; + speed = true; + } else if ((anlpar & ANLPAR_T4) != 0) { + speed = true; + } else if ((anlpar & ANLPAR_TX) != 0) { + speed = true; + } else if ((anlpar & ANLPAR_10_FD) != 0) { + full_duplex = true; + } + + if (full_duplex) { + lpc_eth->mac2 |= ETH_MAC2_FULL_DUPLEX; + } else { + lpc_eth->mac2 &= ~ETH_MAC2_FULL_DUPLEX; + } + + if (speed) { + lpc_eth->supp |= ETH_SUPP_SPEED; + } else { + lpc_eth->supp &= ~ETH_SUPP_SPEED; + } + } + + callout_reset(&e->watchdog_callout, WATCHDOG_TIMEOUT * hz, lpc_eth_interface_watchdog, e); + } } -static int -lpe_dma_alloc_rx(struct lpe_softc *sc) +static int lpc_eth_media_change(struct ifnet *ifp) { - struct lpe_rxdesc *rxd; - struct lpe_dmamap_arg ctx; - int err, i; - - /* Create tag for Rx ring */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - LPE_RXDESC_SIZE, 1, /* maxsize, nsegments */ - LPE_RXDESC_SIZE, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_rx_ring_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Rx ring DMA tag\n"); - goto fail; - } - - /* Create tag for Rx status ring */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - LPE_RXSTATUS_SIZE, 1, /* maxsize, nsegments */ - LPE_RXSTATUS_SIZE, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_rx_status_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Rx status ring DMA tag\n"); - goto fail; - } - - /* Create tag for Rx buffers */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - MCLBYTES * LPE_RXDESC_NUM, /* maxsize */ - LPE_RXDESC_NUM, /* segments */ - MCLBYTES, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_rx_buf_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Rx buffers DMA tag\n"); - goto fail; - } - - /* Allocate Rx DMA ring */ - err = bus_dmamem_alloc(sc->lpe_cdata.lpe_rx_ring_tag, - (void **)&sc->lpe_rdata.lpe_rx_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | - BUS_DMA_ZERO, &sc->lpe_cdata.lpe_rx_ring_map); - - err = bus_dmamap_load(sc->lpe_cdata.lpe_rx_ring_tag, - sc->lpe_cdata.lpe_rx_ring_map, sc->lpe_rdata.lpe_rx_ring, - LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0); - - sc->lpe_rdata.lpe_rx_ring_phys = ctx.lpe_dma_busaddr; - - /* Allocate Rx status ring */ - err = bus_dmamem_alloc(sc->lpe_cdata.lpe_rx_status_tag, - (void **)&sc->lpe_rdata.lpe_rx_status, BUS_DMA_WAITOK | BUS_DMA_COHERENT | - BUS_DMA_ZERO, &sc->lpe_cdata.lpe_rx_status_map); - - err = bus_dmamap_load(sc->lpe_cdata.lpe_rx_status_tag, - sc->lpe_cdata.lpe_rx_status_map, sc->lpe_rdata.lpe_rx_status, - LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0); - - sc->lpe_rdata.lpe_rx_status_phys = ctx.lpe_dma_busaddr; - - - /* Create Rx buffers DMA map */ - for (i = 0; i < LPE_RXDESC_NUM; i++) { - rxd = &sc->lpe_cdata.lpe_rx_desc[i]; - rxd->lpe_rxdesc_mbuf = NULL; -#ifndef __rtems__ - rxd->lpe_rxdesc_dmamap = NULL; - - err = bus_dmamap_create(sc->lpe_cdata.lpe_rx_buf_tag, 0, - &rxd->lpe_rxdesc_dmamap); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Rx DMA map\n"); - return (err); - } -#endif /* __rtems__ */ - } - - return (0); -fail: - return (err); + (void) ifp; + return EINVAL; } -static int -lpe_dma_alloc_tx(struct lpe_softc *sc) +static void lpc_eth_media_status(struct ifnet *ifp, struct ifmediareq *imr) { - struct lpe_txdesc *txd; - struct lpe_dmamap_arg ctx; - int err, i; - - /* Create tag for Tx ring */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - LPE_TXDESC_SIZE, 1, /* maxsize, nsegments */ - LPE_TXDESC_SIZE, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_tx_ring_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Tx ring DMA tag\n"); - goto fail; - } - - /* Create tag for Tx status ring */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - LPE_TXSTATUS_SIZE, 1, /* maxsize, nsegments */ - LPE_TXSTATUS_SIZE, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_tx_status_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Tx status ring DMA tag\n"); - goto fail; - } - - /* Create tag for Tx buffers */ - err = bus_dma_tag_create( - sc->lpe_cdata.lpe_parent_tag, - LPE_DESC_ALIGN, 0, /* alignment, boundary */ - BUS_SPACE_MAXADDR, /* lowaddr */ - BUS_SPACE_MAXADDR, /* highaddr */ - NULL, NULL, /* filter, filterarg */ - MCLBYTES * LPE_TXDESC_NUM, /* maxsize */ - LPE_TXDESC_NUM, /* segments */ - MCLBYTES, 0, /* maxsegsize, flags */ - NULL, NULL, /* lockfunc, lockarg */ - &sc->lpe_cdata.lpe_tx_buf_tag); - - if (err) { - device_printf(sc->lpe_dev, "cannot create Tx buffers DMA tag\n"); - goto fail; - } - - /* Allocate Tx DMA ring */ - err = bus_dmamem_alloc(sc->lpe_cdata.lpe_tx_ring_tag, - (void **)&sc->lpe_rdata.lpe_tx_ring, BUS_DMA_WAITOK | BUS_DMA_COHERENT | - BUS_DMA_ZERO, &sc->lpe_cdata.lpe_tx_ring_map); - - err = bus_dmamap_load(sc->lpe_cdata.lpe_tx_ring_tag, - sc->lpe_cdata.lpe_tx_ring_map, sc->lpe_rdata.lpe_tx_ring, - LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0); - - sc->lpe_rdata.lpe_tx_ring_phys = ctx.lpe_dma_busaddr; - - /* Allocate Tx status ring */ - err = bus_dmamem_alloc(sc->lpe_cdata.lpe_tx_status_tag, - (void **)&sc->lpe_rdata.lpe_tx_status, BUS_DMA_WAITOK | BUS_DMA_COHERENT | - BUS_DMA_ZERO, &sc->lpe_cdata.lpe_tx_status_map); - - err = bus_dmamap_load(sc->lpe_cdata.lpe_tx_status_tag, - sc->lpe_cdata.lpe_tx_status_map, sc->lpe_rdata.lpe_tx_status, - LPE_RXDESC_SIZE, lpe_dmamap_cb, &ctx, 0); - - sc->lpe_rdata.lpe_tx_status_phys = ctx.lpe_dma_busaddr; - - - /* Create Tx buffers DMA map */ - for (i = 0; i < LPE_TXDESC_NUM; i++) { - txd = &sc->lpe_cdata.lpe_tx_desc[i]; - txd->lpe_txdesc_mbuf = NULL; -#ifndef __rtems__ - txd->lpe_txdesc_dmamap = NULL; -#endif /* __rtems__ */ - txd->lpe_txdesc_first = 0; - -#ifndef __rtems__ - err = bus_dmamap_create(sc->lpe_cdata.lpe_tx_buf_tag, 0, - &txd->lpe_txdesc_dmamap); -#endif /* __rtems__ */ - - if (err) { - device_printf(sc->lpe_dev, "cannot create Tx DMA map\n"); - return (err); - } - } - - return (0); -fail: - return (err); + (void) ifp; + + imr->ifm_status = IFM_AVALID | IFM_ACTIVE; + imr->ifm_active = IFM_ETHER; + + if ((lpc_eth->supp & ETH_SUPP_SPEED) != 0) { + imr->ifm_active |= IFM_100_TX; + } else { + imr->ifm_active |= IFM_10_T; + } + + if ((lpc_eth->mac2 & ETH_MAC2_FULL_DUPLEX) != 0) { + imr->ifm_active |= IFM_FDX; + } else { + imr->ifm_active |= IFM_HDX; + } } -static int -lpe_init_rx(struct lpe_softc *sc) +__weak_symbol int lpc_eth_probe(int unit) { - int i, err; + if (unit != 0) { + return ENXIO; + } - for (i = 0; i < LPE_RXDESC_NUM; i++) { - err = lpe_init_rxbuf(sc, i); - if (err) - return (err); - } - - return (0); + return BUS_PROBE_DEFAULT; } -static int -lpe_init_rxbuf(struct lpe_softc *sc, int n) +static int lpc_eth_do_probe(device_t dev) { - struct lpe_rxdesc *rxd; - struct lpe_hwdesc *hwd; -#ifndef __rtems__ - struct lpe_hwstatus *hws; -#endif /* __rtems__ */ - struct mbuf *m; - bus_dma_segment_t segs[1]; -#ifndef __rtems__ - int nsegs; -#endif /* __rtems__ */ - - rxd = &sc->lpe_cdata.lpe_rx_desc[n]; - hwd = &sc->lpe_rdata.lpe_rx_ring[n]; -#ifndef __rtems__ - hws = &sc->lpe_rdata.lpe_rx_status[n]; -#endif /* __rtems__ */ - m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); - - if (!m) { - device_printf(sc->lpe_dev, "WARNING: mbufs exhausted!\n"); - return (ENOBUFS); - } - - m->m_len = m->m_pkthdr.len = MCLBYTES; - -#ifndef __rtems__ - bus_dmamap_unload(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap); - - if (bus_dmamap_load_mbuf_sg(sc->lpe_cdata.lpe_rx_buf_tag, - rxd->lpe_rxdesc_dmamap, m, segs, &nsegs, 0)) { - m_freem(m); - return (ENOBUFS); - } - - bus_dmamap_sync(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap, - BUS_DMASYNC_PREREAD); -#else /* __rtems__ */ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_invalidate_multiple_data_lines(m->m_data, m->m_len); -#endif - segs[0].ds_addr = mtod(m, bus_addr_t); -#endif /* __rtems__ */ - - rxd->lpe_rxdesc_mbuf = m; - hwd->lhr_data = segs[0].ds_addr + 2; - hwd->lhr_control = (segs[0].ds_len - 1) | LPE_HWDESC_INTERRUPT; -#ifdef __rtems__ -#ifdef CPU_DATA_CACHE_ALIGNMENT - rtems_cache_flush_multiple_data_lines(hwd, sizeof(*hwd)); -#endif -#endif /* __rtems__ */ - - return (0); + device_set_desc(dev, "LPC32x0 Ethernet controller"); + return lpc_eth_probe(device_get_unit(dev)); } -static void -lpe_discard_rxbuf(struct lpe_softc *sc, int n) +static int lpc_eth_attach(device_t dev) { - struct lpe_rxdesc *rxd; - struct lpe_hwdesc *hwd; - - rxd = &sc->lpe_cdata.lpe_rx_desc[n]; - hwd = &sc->lpe_rdata.lpe_rx_ring[n]; - -#ifndef __rtems__ - bus_dmamap_unload(sc->lpe_cdata.lpe_rx_buf_tag, rxd->lpe_rxdesc_dmamap); -#endif /* __rtems__ */ - - hwd->lhr_data = 0; - hwd->lhr_control = 0; - - if (rxd->lpe_rxdesc_mbuf) { - m_freem(rxd->lpe_rxdesc_mbuf); - rxd->lpe_rxdesc_mbuf = NULL; - } + lpc_eth_driver_entry *e = device_get_softc(dev); + struct ifnet *ifp = NULL; + char *unit_name = NULL; + int unit_index = device_get_unit(dev); + size_t table_area_size = 0; + char *table_area = NULL; + char *table_location = NULL; + rtems_status_code status; + uint8_t eaddr[ETHER_ADDR_LEN]; + + BSD_ASSERT(e->state == LPC_ETH_STATE_NOT_INITIALIZED); + + mtx_init(&e->mtx, device_get_nameunit(e->dev), MTX_NETWORK_LOCK, MTX_DEF); + + ifmedia_init(&e->ifmedia, 0, lpc_eth_media_change, lpc_eth_media_status); + ifmedia_add(&e->ifmedia, IFM_ETHER | IFM_AUTO, 0, NULL); + ifmedia_set(&e->ifmedia, IFM_ETHER | IFM_AUTO); + + callout_init_mtx(&e->watchdog_callout, &e->mtx, 0); + + /* Receive unit count */ + e->rx_unit_count = LPC_ETH_CONFIG_RX_UNIT_COUNT_DEFAULT; + + /* Transmit unit count */ + e->tx_unit_count = LPC_ETH_CONFIG_TX_UNIT_COUNT_DEFAULT; + + /* Remember interrupt number */ + e->interrupt_number = LPC_ETH_CONFIG_INTERRUPT; + + /* Allocate and clear table area */ + table_area_size = + e->rx_unit_count + * (sizeof(lpc_eth_transfer_descriptor) + + sizeof(lpc_eth_receive_status) + + sizeof(struct mbuf *)) + + e->tx_unit_count + * (sizeof(lpc_eth_transfer_descriptor) + + sizeof(uint32_t) + + LPC_ETH_CONFIG_TX_BUF_SIZE); + table_area = lpc_eth_config_alloc_table_area(table_area_size); + if (table_area == NULL) { + return ENOMEM; + } + memset(table_area, 0, table_area_size); + + table_location = table_area; + + /* + * The receive status table must be the first one since it has the strictest + * alignment requirements. + */ + e->rx_status_table = (volatile lpc_eth_receive_status *) table_location; + table_location += e->rx_unit_count * sizeof(e->rx_status_table [0]); + + e->rx_desc_table = (volatile lpc_eth_transfer_descriptor *) table_location; + table_location += e->rx_unit_count * sizeof(e->rx_desc_table [0]); + + e->rx_mbuf_table = (struct mbuf **) table_location; + table_location += e->rx_unit_count * sizeof(e->rx_mbuf_table [0]); + + e->tx_desc_table = (volatile lpc_eth_transfer_descriptor *) table_location; + table_location += e->tx_unit_count * sizeof(e->tx_desc_table [0]); + + e->tx_status_table = (volatile uint32_t *) table_location; + table_location += e->tx_unit_count * sizeof(e->tx_status_table [0]); + + e->tx_buf_table = table_location; + + /* Set interface data */ + e->dev = dev; + e->ifp = ifp = if_alloc(IFT_ETHER); + ifp->if_softc = e; + if_initname(ifp, device_get_name(dev), device_get_unit(dev)); + ifp->if_init = lpc_eth_interface_init; + ifp->if_ioctl = lpc_eth_interface_ioctl; + ifp->if_transmit = lpc_eth_interface_transmit; + ifp->if_qflush = if_qflush; + ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX; + IFQ_SET_MAXLEN(&ifp->if_snd, LPC_ETH_CONFIG_TX_UNIT_COUNT_MAX - 1); + ifp->if_snd.ifq_drv_maxlen = LPC_ETH_CONFIG_TX_UNIT_COUNT_MAX - 1; + IFQ_SET_READY(&ifp->if_snd); + ifp->if_hdrlen = sizeof(struct ether_header); + + rtems_bsd_get_mac_address(device_get_name(e->dev), unit_index, eaddr); + + /* Create tasks */ + status = rtems_task_create( + rtems_build_name('n', 't', 'r', 'x'), + rtems_bsd_get_task_priority(device_get_name(e->dev)), + 4096, + RTEMS_DEFAULT_MODES, + RTEMS_DEFAULT_ATTRIBUTES, + &e->receive_task + ); + BSD_ASSERT(status == RTEMS_SUCCESSFUL); + status = rtems_task_start( + e->receive_task, + lpc_eth_receive_task, + (rtems_task_argument)e + ); + BSD_ASSERT(status == RTEMS_SUCCESSFUL); + + if_link_state_change(e->ifp, LINK_STATE_UP); + + /* Change status */ + e->state = LPC_ETH_STATE_DOWN; + + /* Attach the interface */ + ether_ifattach(ifp, eaddr); + + return 0; } -static void -lpe_dmamap_cb(void *arg, bus_dma_segment_t *segs, int nseg, int error) +static int lpc_eth_detach(device_t dev) { - struct lpe_dmamap_arg *ctx; + /* FIXME: Detach the interface from the upper layers? */ - if (error) - return; + /* Module soft reset */ + lpc_eth->command = 0x38; + lpc_eth->mac1 = 0xcf00; - ctx = (struct lpe_dmamap_arg *)arg; - ctx->lpe_dma_busaddr = segs[0].ds_addr; -} + /* FIXME: More cleanup */ -static int -lpe_ifmedia_upd(struct ifnet *ifp) -{ - return (0); -} - -static void -lpe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) -{ - struct lpe_softc *sc = ifp->if_softc; - struct mii_data *mii = device_get_softc(sc->lpe_miibus); - - lpe_lock(sc); - mii_pollstat(mii); - ifmr->ifm_active = mii->mii_media_active; - ifmr->ifm_status = mii->mii_media_status; - lpe_unlock(sc); + return ENXIO; } static device_method_t lpe_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, lpe_probe), - DEVMETHOD(device_attach, lpe_attach), - DEVMETHOD(device_detach, lpe_detach), - - /* Bus interface */ - DEVMETHOD(bus_print_child, bus_generic_print_child), - - /* MII interface */ - DEVMETHOD(miibus_readreg, lpe_miibus_readreg), - DEVMETHOD(miibus_writereg, lpe_miibus_writereg), - DEVMETHOD(miibus_statchg, lpe_miibus_statchg), - { 0, 0 } + DEVMETHOD(device_probe, lpc_eth_do_probe), + DEVMETHOD(device_attach, lpc_eth_attach), + DEVMETHOD(device_detach, lpc_eth_detach), + DEVMETHOD_END }; -static driver_t lpe_driver = { - "lpe", - lpe_methods, - sizeof(struct lpe_softc), +static driver_t lpe_nexus_driver = { + "lpe", + lpe_methods, + sizeof(lpc_eth_driver_entry) }; static devclass_t lpe_devclass; - -#ifndef __rtems__ -DRIVER_MODULE(lpe, simplebus, lpe_driver, lpe_devclass, 0, 0); -#else /* __rtems__ */ -DRIVER_MODULE(lpe, nexus, lpe_driver, lpe_devclass, 0, 0); -#endif /* __rtems__ */ -DRIVER_MODULE(miibus, lpe, miibus_driver, miibus_devclass, 0, 0); -MODULE_DEPEND(lpe, obio, 1, 1, 1); -MODULE_DEPEND(lpe, miibus, 1, 1, 1); +DRIVER_MODULE(lpe, nexus, lpe_nexus_driver, lpe_devclass, 0, 0); +MODULE_DEPEND(lpe, nexus, 1, 1, 1); MODULE_DEPEND(lpe, ether, 1, 1, 1); + +#endif /* LIBBSP_ARM_LPC24XX_BSP_H || LIBBSP_ARM_LPC32XX_BSP_H */ diff --git a/rtemsbsd/sys/arm/lpc/if_lpereg.h b/rtemsbsd/sys/arm/lpc/if_lpereg.h deleted file mode 100644 index a40bf8b5..00000000 --- a/rtemsbsd/sys/arm/lpc/if_lpereg.h +++ /dev/null @@ -1,210 +0,0 @@ -/*- - * SPDX-License-Identifier: BSD-2-Clause-FreeBSD - * - * Copyright (c) 2011 Jakub Wojciech Klama <jceel@FreeBSD.org> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#ifndef _ARM_LPC_IF_LPEREG_H -#define _ARM_LPC_IF_LPEREG_H - -#define LPE_MAC1 0x000 -#define LPE_MAC1_RXENABLE (1 << 0) -#define LPE_MAC1_PASSALL (1 << 1) -#define LPE_MAC1_RXFLOWCTRL (1 << 2) -#define LPE_MAC1_TXFLOWCTRL (1 << 3) -#define LPE_MAC1_LOOPBACK (1 << 4) -#define LPE_MAC1_RESETTX (1 << 8) -#define LPE_MAC1_RESETMCSTX (1 << 9) -#define LPE_MAC1_RESETRX (1 << 10) -#define LPE_MAC1_RESETMCSRX (1 << 11) -#define LPE_MAC1_SIMRESET (1 << 14) -#define LPE_MAC1_SOFTRESET (1 << 15) -#define LPE_MAC2 0x004 -#define LPE_MAC2_FULLDUPLEX (1 << 0) -#define LPE_MAC2_FRAMELENCHECK (1 << 1) -#define LPE_MAC2_HUGEFRAME (1 << 2) -#define LPE_MAC2_DELAYEDCRC (1 << 3) -#define LPE_MAC2_CRCENABLE (1 << 4) -#define LPE_MAC2_PADCRCENABLE (1 << 5) -#define LPE_MAC2_VLANPADENABLE (1 << 6) -#define LPE_MAC2_AUTOPADENABLE (1 << 7) -#define LPE_MAC2_PUREPREAMBLE (1 << 8) -#define LPE_MAC2_LONGPREAMBLE (1 << 9) -#define LPE_MAC2_NOBACKOFF (1 << 12) -#define LPE_MAC2_BACKPRESSURE (1 << 13) -#define LPE_MAC2_EXCESSDEFER (1 << 14) -#define LPE_IPGT 0x008 -#define LPE_IPGR 0x00c -#define LPE_CLRT 0x010 -#define LPE_MAXF 0x014 -#define LPE_SUPP 0x018 -#define LPE_SUPP_SPEED (1 << 8) -#define LPE_TEST 0x01c -#define LPE_MCFG 0x020 -#define LPE_MCFG_SCANINCR (1 << 0) -#define LPE_MCFG_SUPPREAMBLE (1 << 1) -#define LPE_MCFG_CLKSEL(_n) ((_n & 0x7) << 2) -#define LPC_MCFG_RESETMII (1 << 15) -#define LPE_MCMD 0x024 -#define LPE_MCMD_READ (1 << 0) -#define LPE_MCMD_WRITE (0 << 0) -#define LPE_MCMD_SCAN (1 << 1) -#define LPE_MADR 0x028 -#define LPE_MADR_REGMASK 0x1f -#define LPE_MADR_REGSHIFT 0 -#define LPE_MADR_PHYMASK 0x1f -#define LPE_MADR_PHYSHIFT 8 -#define LPE_MWTD 0x02c -#define LPE_MWTD_DATAMASK 0xffff -#define LPE_MRDD 0x030 -#define LPE_MRDD_DATAMASK 0xffff -#define LPE_MIND 0x034 -#define LPE_MIND_BUSY (1 << 0) -#define LPE_MIND_SCANNING (1 << 1) -#define LPE_MIND_INVALID (1 << 2) -#define LPE_MIND_MIIFAIL (1 << 3) -#define LPE_SA0 0x040 -#define LPE_SA1 0x044 -#define LPE_SA2 0x048 -#define LPE_COMMAND 0x100 -#define LPE_COMMAND_RXENABLE (1 << 0) -#define LPE_COMMAND_TXENABLE (1 << 1) -#define LPE_COMMAND_REGRESET (1 << 3) -#define LPE_COMMAND_TXRESET (1 << 4) -#define LPE_COMMAND_RXRESET (1 << 5) -#define LPE_COMMAND_PASSRUNTFRAME (1 << 6) -#define LPE_COMMAND_PASSRXFILTER (1 << 7) -#define LPE_COMMAND_TXFLOWCTL (1 << 8) -#define LPE_COMMAND_RMII (1 << 9) -#define LPE_COMMAND_FULLDUPLEX (1 << 10) -#define LPE_STATUS 0x104 -#define LPE_STATUS_RXACTIVE (1 << 0) -#define LPE_STATUS_TXACTIVE (1 << 1) -#define LPE_RXDESC 0x108 -#define LPE_RXSTATUS 0x10c -#define LPE_RXDESC_NUMBER 0x110 -#define LPE_RXDESC_PROD 0x114 -#define LPE_RXDESC_CONS 0x118 -#define LPE_TXDESC 0x11c -#define LPE_TXSTATUS 0x120 -#define LPE_TXDESC_NUMBER 0x124 -#define LPE_TXDESC_PROD 0x128 -#define LPE_TXDESC_CONS 0x12c -#define LPE_TSV0 0x158 -#define LPE_TSV1 0x15c -#define LPE_RSV 0x160 -#define LPE_FLOWCONTROL_COUNTER 0x170 -#define LPE_FLOWCONTROL_STATUS 0x174 -#define LPE_RXFILTER_CTRL 0x200 -#define LPE_RXFILTER_UNICAST (1 << 0) -#define LPE_RXFILTER_BROADCAST (1 << 1) -#define LPE_RXFILTER_MULTICAST (1 << 2) -#define LPE_RXFILTER_UNIHASH (1 << 3) -#define LPE_RXFILTER_MULTIHASH (1 << 4) -#define LPE_RXFILTER_PERFECT (1 << 5) -#define LPE_RXFILTER_WOL (1 << 12) -#define LPE_RXFILTER_FILTWOL (1 << 13) -#define LPE_RXFILTER_WOL_STATUS 0x204 -#define LPE_RXFILTER_WOL_CLEAR 0x208 -#define LPE_HASHFILTER_L 0x210 -#define LPE_HASHFILTER_H 0x214 -#define LPE_INTSTATUS 0xfe0 -#define LPE_INTENABLE 0xfe4 -#define LPE_INTCLEAR 0xfe8 -#define LPE_INTSET 0xfec -#define LPE_INT_RXOVERRUN (1 << 0) -#define LPE_INT_RXERROR (1 << 1) -#define LPE_INT_RXFINISH (1 << 2) -#define LPE_INT_RXDONE (1 << 3) -#define LPE_INT_TXUNDERRUN (1 << 4) -#define LPE_INT_TXERROR (1 << 5) -#define LPE_INT_TXFINISH (1 << 6) -#define LPE_INT_TXDONE (1 << 7) -#define LPE_INT_SOFTINT (1 << 12) -#define LPE_INTWAKEUPINT (1 << 13) -#define LPE_POWERDOWN 0xff4 - -#define LPE_DESC_ALIGN 8 -#define LPE_TXDESC_NUM 128 -#define LPE_RXDESC_NUM 128 -#define LPE_TXDESC_SIZE (LPE_TXDESC_NUM * sizeof(struct lpe_hwdesc)) -#define LPE_RXDESC_SIZE (LPE_RXDESC_NUM * sizeof(struct lpe_hwdesc)) -#define LPE_TXSTATUS_SIZE (LPE_TXDESC_NUM * sizeof(struct lpe_hwstatus)) -#define LPE_RXSTATUS_SIZE (LPE_RXDESC_NUM * sizeof(struct lpe_hwstatus)) -#define LPE_MAXFRAGS 8 - -struct lpe_hwdesc { - uint32_t lhr_data; - uint32_t lhr_control; -}; - -struct lpe_hwstatus { - uint32_t lhs_info; - uint32_t lhs_crc; -}; - -#define LPE_INC(x, y) (x) = ((x) == ((y)-1)) ? 0 : (x)+1 - -/* These are valid for both Rx and Tx descriptors */ -#define LPE_HWDESC_SIZE_MASK (1 << 10) -#define LPE_HWDESC_INTERRUPT (1U << 31) - -/* These are valid for Tx descriptors */ -#define LPE_HWDESC_LAST (1 << 30) -#define LPE_HWDESC_CRC (1 << 29) -#define LPE_HWDESC_PAD (1 << 28) -#define LPE_HWDESC_HUGE (1 << 27) -#define LPE_HWDESC_OVERRIDE (1 << 26) - -/* These are valid for Tx status descriptors */ -#define LPE_HWDESC_COLLISIONS(_n) (((_n) >> 21) & 0x7) -#define LPE_HWDESC_DEFER (1 << 25) -#define LPE_HWDESC_EXCDEFER (1 << 26) -#define LPE_HWDESC_EXCCOLL (1 << 27) -#define LPE_HWDESC_LATECOLL (1 << 28) -#define LPE_HWDESC_UNDERRUN (1 << 29) -#define LPE_HWDESC_TXNODESCR (1 << 30) -#define LPE_HWDESC_ERROR (1U << 31) - -/* These are valid for Rx status descriptors */ -#define LPE_HWDESC_CONTROL (1 << 18) -#define LPE_HWDESC_VLAN (1 << 19) -#define LPE_HWDESC_FAILFILTER (1 << 20) -#define LPE_HWDESC_MULTICAST (1 << 21) -#define LPE_HWDESC_BROADCAST (1 << 22) -#define LPE_HWDESC_CRCERROR (1 << 23) -#define LPE_HWDESC_SYMBOLERROR (1 << 24) -#define LPE_HWDESC_LENGTHERROR (1 << 25) -#define LPE_HWDESC_RANGEERROR (1 << 26) -#define LPE_HWDESC_ALIGNERROR (1 << 27) -#define LPE_HWDESC_OVERRUN (1 << 28) -#define LPE_HWDESC_RXNODESCR (1 << 29) -#define LPE_HWDESC_LASTFLAG (1 << 30) -#define LPE_HWDESC_ERROR (1U << 31) - - -#endif /* _ARM_LPC_IF_LPEREG_H */ diff --git a/rtemsbsd/sys/dev/atsam/if_atsam.c b/rtemsbsd/sys/dev/atsam/if_atsam.c index ff8219f4..21a28fcd 100644 --- a/rtemsbsd/sys/dev/atsam/if_atsam.c +++ b/rtemsbsd/sys/dev/atsam/if_atsam.c @@ -42,6 +42,7 @@ #include <sys/types.h> #include <sys/param.h> #include <sys/mbuf.h> +#include <sys/sbuf.h> #include <sys/socket.h> #include <sys/sockio.h> #include <sys/kernel.h> @@ -49,7 +50,9 @@ #include <sys/bus.h> #include <sys/sysctl.h> +#include <net/bpf.h> #include <net/if.h> +#include <net/if_dl.h> #include <net/if_var.h> #include <net/if_types.h> #include <net/if_media.h> @@ -66,6 +69,7 @@ #include <rtems/bsd/local/miibus_if.h> #include <rtems/bsd/if_atsam.h> +#include <rtems/bsd/bsd.h> /* * Number of interfaces supported by the driver @@ -90,46 +94,40 @@ /** The runtime pin configure list for GMAC */ #define BOARD_GMAC_RUN_PINS BOARD_GMAC_PINS -/** Multicast Enable */ -#define GMAC_MC_ENABLE (1u << 6) -#define HASH_INDEX_AMOUNT 6 -#define HASH_ELEMENTS_PER_INDEX 8 -#define MAC_ADDR_MASK 0x0000FFFFFFFFFFFF -#define MAC_IDX_MASK (1u << 0) - -/** Promiscuous Mode Enable */ -#define GMAC_PROM_ENABLE (1u << 4) - /** RX Defines */ #define GMAC_RX_BUFFER_SIZE 1536 #define GMAC_RX_BUF_DESC_ADDR_MASK 0xFFFFFFFC -#define GMAC_RX_SET_OFFSET (1u << 15) -#define GMAC_RX_SET_USED_WRAP ((1u << 1) | (1u << 0)) -#define GMAC_RX_SET_WRAP (1u << 1) -#define GMAC_RX_SET_USED (1u << 0) -/** TX Defines */ -#define GMAC_TX_SET_EOF (1u << 15) -#define GMAC_TX_SET_WRAP (1u << 30) -#define GMAC_TX_SET_USED (1u << 31) #define GMAC_DESCRIPTOR_ALIGNMENT 8 /** Events */ #define ATSAMV7_ETH_RX_EVENT_INTERRUPT RTEMS_EVENT_1 -#define ATSAMV7_ETH_TX_EVENT_INTERRUPT RTEMS_EVENT_2 -#define ATSAMV7_ETH_START_TRANSMIT_EVENT RTEMS_EVENT_3 - -#define ATSAMV7_ETH_RX_DATA_OFFSET 2 - -#define WATCHDOG_TIMEOUT 5 /* FIXME: Make these configurable */ #define MDIO_RETRIES 10 #define MDIO_PHY MII_PHY_ANY -#define RXBUF_COUNT 8 -#define TXBUF_COUNT 64 #define IGNORE_RX_ERR false +#define RX_INTERRUPTS (GMAC_ISR_RCOMP | GMAC_ISR_RXUBR | GMAC_ISR_ROVR) + +#define RX_DESC_LOG2 3 +#define RX_DESC_COUNT (1U << RX_DESC_LOG2) +#define RX_DESC_WRAP(idx) \ + ((((idx) + 1) & RX_DESC_COUNT) >> (RX_DESC_LOG2 - 1)) +RTEMS_STATIC_ASSERT(RX_DESC_WRAP(RX_DESC_COUNT - 1) == + GMAC_RX_WRAP_BIT, rx_desc_wrap); +RTEMS_STATIC_ASSERT(RX_DESC_WRAP(RX_DESC_COUNT - 2) == + 0, rx_desc_no_wrap); + +#define TX_DESC_LOG2 6 +#define TX_DESC_COUNT (1U << TX_DESC_LOG2) +#define TX_DESC_WRAP(idx) \ + ((((idx) + 1) & TX_DESC_COUNT) << (30 - TX_DESC_LOG2)) +RTEMS_STATIC_ASSERT(TX_DESC_WRAP(TX_DESC_COUNT - 1) == + GMAC_TX_WRAP_BIT, tx_desc_wrap); +RTEMS_STATIC_ASSERT(TX_DESC_WRAP(TX_DESC_COUNT - 2) == + 0, tx_desc_no_wrap); + /** The PINs for GMAC */ static const Pin gmacPins[] = { BOARD_GMAC_RUN_PINS }; @@ -139,11 +137,13 @@ typedef struct if_atsam_gmac { uint32_t retries; } if_atsam_gmac; -typedef struct ring_buffer { - unsigned tx_bd_used; - unsigned tx_bd_free; - size_t length; -} ring_buffer; +struct if_atsam_tx_bds { + volatile sGmacTxDescriptor bds[TX_DESC_COUNT]; +}; + +struct if_atsam_rx_bds { + volatile sGmacRxDescriptor bds[RX_DESC_COUNT]; +}; /* * Per-device data @@ -156,17 +156,16 @@ typedef struct if_atsam_softc { struct ifnet *ifp; struct mtx mtx; if_atsam_gmac Gmac_inst; + size_t tx_idx_head; + size_t tx_idx_tail; + struct if_atsam_tx_bds *tx; + struct mbuf *tx_mbufs[TX_DESC_COUNT]; + size_t rx_idx_head; + struct if_atsam_rx_bds *rx; + struct mbuf *rx_mbufs[RX_DESC_COUNT]; uint8_t GMacAddress[6]; rtems_id rx_daemon_tid; - rtems_id tx_daemon_tid; rtems_vector_number interrupt_number; - struct mbuf **rx_mbuf; - struct mbuf **tx_mbuf; - volatile sGmacTxDescriptor *tx_bd_base; - size_t rx_bd_fill_idx; - size_t amount_rx_buf; - size_t amount_tx_buf; - ring_buffer tx_ring; struct callout tick_ch; /* @@ -190,13 +189,12 @@ typedef struct if_atsam_softc { struct if_atsam_stats { /* Software */ uint32_t rx_overrun_errors; + uint32_t rx_used_bit_reads; uint32_t rx_interrupts; - uint32_t tx_complete_int; uint32_t tx_tur_errors; uint32_t tx_rlex_errors; uint32_t tx_tfc_errors; uint32_t tx_hresp_errors; - uint32_t tx_interrupts; /* Hardware */ uint64_t octets_transm; @@ -243,6 +241,8 @@ typedef struct if_atsam_softc { uint32_t tcp_checksum_errors; uint32_t udp_checksum_errors; } stats; + + int if_flags; } if_atsam_softc; static void if_atsam_poll_hw_stats(struct if_atsam_softc *sc); @@ -251,27 +251,6 @@ static void if_atsam_poll_hw_stats(struct if_atsam_softc *sc); #define IF_ATSAM_UNLOCK(sc) mtx_unlock(&(sc)->mtx) -static void if_atsam_event_send(rtems_id task, rtems_event_set event) -{ - rtems_event_send(task, event); -} - - -static void if_atsam_event_receive(if_atsam_softc *sc, rtems_event_set in) -{ - rtems_event_set out; - - IF_ATSAM_UNLOCK(sc); - rtems_event_receive( - in, - RTEMS_EVENT_ANY | RTEMS_WAIT, - RTEMS_NO_TIMEOUT, - &out - ); - IF_ATSAM_LOCK(sc); -} - - static struct mbuf *if_atsam_new_mbuf(struct ifnet *ifp) { struct mbuf *m; @@ -356,11 +335,10 @@ if_atsam_miibus_readreg(device_t dev, int phy, int reg) static int if_atsam_miibus_writereg(device_t dev, int phy, int reg, int data) { - uint8_t err; if_atsam_softc *sc = device_get_softc(dev); IF_ATSAM_LOCK(sc); - err = if_atsam_write_phy(sc->Gmac_inst.gGmacd.pHw, + (void)if_atsam_write_phy(sc->Gmac_inst.gGmacd.pHw, (uint8_t)phy, (uint8_t)reg, data, sc->Gmac_inst.retries); IF_ATSAM_UNLOCK(sc); @@ -403,63 +381,53 @@ if_atsam_init_phy(if_atsam_gmac *gmac_inst, uint32_t mck, static void if_atsam_interrupt_handler(void *arg) { if_atsam_softc *sc = (if_atsam_softc *)arg; - uint32_t irq_status_val; - rtems_event_set rx_event = 0; - rtems_event_set tx_event = 0; Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + uint32_t is; /* Get interrupt status */ - irq_status_val = GMAC_GetItStatus(pHw, 0); + is = pHw->GMAC_ISR; - /* Check receive interrupts */ - if ((irq_status_val & GMAC_IER_ROVR) != 0) { - ++sc->stats.rx_overrun_errors; - rx_event = ATSAMV7_ETH_RX_EVENT_INTERRUPT; - } - if ((irq_status_val & GMAC_IER_RCOMP) != 0) { - rx_event = ATSAMV7_ETH_RX_EVENT_INTERRUPT; + if (__predict_false((is & GMAC_TX_ERR_BIT) != 0)) { + if ((is & GMAC_IER_TUR) != 0) { + ++sc->stats.tx_tur_errors; + } + if ((is & GMAC_IER_RLEX) != 0) { + ++sc->stats.tx_rlex_errors; + } + if ((is & GMAC_IER_TFC) != 0) { + ++sc->stats.tx_tfc_errors; + } + if ((is & GMAC_IER_HRESP) != 0) { + ++sc->stats.tx_hresp_errors; + } } - /* Send events to receive task and switch off rx interrupts */ - if (rx_event != 0) { + + /* Check receive interrupts */ + if (__predict_true((is & RX_INTERRUPTS) != 0)) { + if (__predict_false((is & GMAC_ISR_RXUBR) != 0)) { + ++sc->stats.rx_used_bit_reads; + } + + if (__predict_false((is & GMAC_ISR_ROVR) != 0)) { + ++sc->stats.rx_overrun_errors; + } + ++sc->stats.rx_interrupts; - /* Erase the interrupts for RX completion and errors */ - GMAC_DisableIt(pHw, GMAC_IER_RCOMP | GMAC_IER_ROVR, 0); - (void)if_atsam_event_send(sc->rx_daemon_tid, rx_event); - } - if ((irq_status_val & GMAC_IER_TUR) != 0) { - ++sc->stats.tx_tur_errors; - tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT; - } - if ((irq_status_val & GMAC_IER_RLEX) != 0) { - ++sc->stats.tx_rlex_errors; - tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT; - } - if ((irq_status_val & GMAC_IER_TFC) != 0) { - ++sc->stats.tx_tfc_errors; - tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT; - } - if ((irq_status_val & GMAC_IER_HRESP) != 0) { - ++sc->stats.tx_hresp_errors; - tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT; - } - if ((irq_status_val & GMAC_IER_TCOMP) != 0) { - ++sc->stats.tx_complete_int; - tx_event = ATSAMV7_ETH_TX_EVENT_INTERRUPT; - } - /* Send events to transmit task and switch off tx interrupts */ - if (tx_event != 0) { - ++sc->stats.tx_interrupts; - /* Erase the interrupts for TX completion and errors */ - GMAC_DisableIt(pHw, GMAC_INT_TX_BITS, 0); - (void)if_atsam_event_send(sc->tx_daemon_tid, tx_event); + + /* Disable RX interrupts */ + pHw->GMAC_IDR = RX_INTERRUPTS; + + (void)rtems_event_send(sc->rx_daemon_tid, + ATSAMV7_ETH_RX_EVENT_INTERRUPT); } } -static void rx_update_mbuf(struct mbuf *m, sGmacRxDescriptor *buffer_desc) +static void +if_atsam_rx_update_mbuf(struct mbuf *m, uint32_t status) { int frame_len; - frame_len = (int) (buffer_desc->status.bm.len); + frame_len = (int)(status & GMAC_LENGTH_FRAME); m->m_data = mtod(m, char*)+ETHER_ALIGN; m->m_len = frame_len; @@ -467,7 +435,7 @@ static void rx_update_mbuf(struct mbuf *m, sGmacRxDescriptor *buffer_desc) /* check checksum offload result */ m->m_pkthdr.csum_flags = 0; - switch (buffer_desc->status.bm.typeIDMatchOrCksumResult) { + switch ((status >> 22) & 0x3) { case GMAC_RXDESC_ST_CKSUM_RESULT_IP_CHECKED: m->m_pkthdr.csum_flags = CSUM_IP_CHECKED | CSUM_IP_VALID; m->m_pkthdr.csum_data = 0xffff; @@ -481,21 +449,17 @@ static void rx_update_mbuf(struct mbuf *m, sGmacRxDescriptor *buffer_desc) } } -/* - * Receive daemon - */ -static void if_atsam_rx_daemon(void *arg) +static void +if_atsam_rx_daemon(rtems_task_argument arg) { if_atsam_softc *sc = (if_atsam_softc *)arg; struct ifnet *ifp = sc->ifp; - rtems_event_set events = 0; - void *rx_bd_base; - struct mbuf *m; - struct mbuf *n; - volatile sGmacRxDescriptor *buffer_desc; - uint32_t tmp_rx_bd_address; - size_t i; + volatile sGmacRxDescriptor *base; + struct if_atsam_rx_bds *rx; Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + size_t idx; + struct mbuf **mbufs; + struct mbuf *m; IF_ATSAM_LOCK(sc); @@ -506,47 +470,37 @@ static void if_atsam_rx_daemon(void *arg) } /* Allocate memory space for priority queue descriptor list */ - rx_bd_base = rtems_cache_coherent_allocate(sizeof(sGmacRxDescriptor), + base = rtems_cache_coherent_allocate(sizeof(*base), GMAC_DESCRIPTOR_ALIGNMENT, 0); - assert(rx_bd_base != NULL); + assert(base != NULL); - buffer_desc = (sGmacRxDescriptor *)rx_bd_base; - buffer_desc->addr.val = GMAC_RX_SET_USED_WRAP; - buffer_desc->status.val = 0; + base->addr.val = GMAC_RX_OWNERSHIP_BIT | GMAC_RX_WRAP_BIT; + base->status.val = 0; - GMAC_SetRxQueue(pHw, (uint32_t)buffer_desc, 1); - GMAC_SetRxQueue(pHw, (uint32_t)buffer_desc, 2); + GMAC_SetRxQueue(pHw, (uint32_t)base, 1); + GMAC_SetRxQueue(pHw, (uint32_t)base, 2); /* Allocate memory space for buffer descriptor list */ - rx_bd_base = rtems_cache_coherent_allocate( - sc->amount_rx_buf * sizeof(sGmacRxDescriptor), + rx = rtems_cache_coherent_allocate(sizeof(*rx), GMAC_DESCRIPTOR_ALIGNMENT, 0); - assert(rx_bd_base != NULL); - buffer_desc = (sGmacRxDescriptor *)rx_bd_base; + assert(rx != NULL); + sc->rx = rx; + mbufs = &sc->rx_mbufs[0]; /* Create descriptor list and mark as empty */ - for (sc->rx_bd_fill_idx = 0; sc->rx_bd_fill_idx < sc->amount_rx_buf; - ++sc->rx_bd_fill_idx) { + for (idx = 0; idx < RX_DESC_COUNT; ++idx) { m = if_atsam_new_mbuf(ifp); assert(m != NULL); - sc->rx_mbuf[sc->rx_bd_fill_idx] = m; - buffer_desc->addr.val = ((uint32_t)m->m_data) & - GMAC_RX_BUF_DESC_ADDR_MASK; - buffer_desc->status.val = 0; - if (sc->rx_bd_fill_idx == (sc->amount_rx_buf - 1)) { - buffer_desc->addr.bm.bWrap = 1; - } else { - buffer_desc++; - } + mbufs[idx] = m; + rx->bds[idx].addr.val = mtod(m, uint32_t) | RX_DESC_WRAP(idx); } - buffer_desc = (sGmacRxDescriptor *)rx_bd_base; /* Set 2 Byte Receive Buffer Offset */ - pHw->GMAC_NCFGR |= GMAC_RX_SET_OFFSET; + pHw->GMAC_NCFGR |= GMAC_NCFGR_RXBUFO(2); /* Write Buffer Queue Base Address Register */ GMAC_ReceiveEnable(pHw, 0); - GMAC_SetRxQueue(pHw, (uint32_t)buffer_desc, 0); + GMAC_SetRxQueue(pHw, (uint32_t)&rx->bds[0], 0); /* Set address for address matching */ GMAC_SetAddress(pHw, 0, sc->GMacAddress); @@ -554,306 +508,230 @@ static void if_atsam_rx_daemon(void *arg) /* Enable Receiving of data */ GMAC_ReceiveEnable(pHw, 1); - /* Setup the interrupts for RX completion and errors */ - GMAC_EnableIt(pHw, GMAC_IER_RCOMP | GMAC_IER_ROVR, 0); + IF_ATSAM_UNLOCK(sc); - sc->rx_bd_fill_idx = 0; + idx = 0; while (true) { - /* Wait for events */ - if_atsam_event_receive(sc, ATSAMV7_ETH_RX_EVENT_INTERRUPT); + rtems_event_set out; - /* - * Check for all packets with a set ownership bit - */ - while (buffer_desc->addr.bm.bOwnership == 1) { - if (buffer_desc->status.bm.bEof == 1) { - m = sc->rx_mbuf[sc->rx_bd_fill_idx]; + sc->rx_idx_head = idx; - /* New mbuf for desc */ - n = if_atsam_new_mbuf(ifp); - if (n != NULL) { - rx_update_mbuf(m, buffer_desc); + /* Enable RX interrupts */ + pHw->GMAC_IER = RX_INTERRUPTS; - IF_ATSAM_UNLOCK(sc); - sc->ifp->if_input(ifp, m); - IF_ATSAM_LOCK(sc); - m = n; - } else { - (void)if_atsam_event_send( - sc->tx_daemon_tid, ATSAMV7_ETH_START_TRANSMIT_EVENT); - } - sc->rx_mbuf[sc->rx_bd_fill_idx] = m; - tmp_rx_bd_address = (uint32_t)m->m_data & - GMAC_RX_BUF_DESC_ADDR_MASK; - - /* Switch pointer to next buffer descriptor */ - if (sc->rx_bd_fill_idx == - (sc->amount_rx_buf - 1)) { - tmp_rx_bd_address |= GMAC_RX_SET_WRAP; - sc->rx_bd_fill_idx = 0; - } else { - ++sc->rx_bd_fill_idx; - } + (void) rtems_event_receive(ATSAMV7_ETH_RX_EVENT_INTERRUPT, + RTEMS_EVENT_ALL | RTEMS_WAIT, RTEMS_NO_TIMEOUT, &out); - /* - * Give ownership to GMAC for further processing - */ - tmp_rx_bd_address &= ~GMAC_RX_SET_USED; - _ARM_Data_synchronization_barrier(); - buffer_desc->addr.val = tmp_rx_bd_address; + while (true) { + uint32_t addr; + uint32_t status; - buffer_desc = (sGmacRxDescriptor *)rx_bd_base - + sc->rx_bd_fill_idx; + addr = rx->bds[idx].addr.val; + if ((addr & GMAC_RX_OWNERSHIP_BIT) == 0) { + break; } - } - /* Setup the interrupts for RX completion and errors */ - GMAC_EnableIt(pHw, GMAC_IER_RCOMP | GMAC_IER_ROVR, 0); - } -} -/* - * Update of current transmit buffer position. - */ -static void if_atsam_tx_bd_pos_update(size_t *pos, size_t amount_tx_buf) -{ - *pos = (*pos + 1) % amount_tx_buf; -} + status = rx->bds[idx].status.val; + m = mbufs[idx]; -/* - * Is RingBuffer empty - */ -static bool if_atsam_ring_buffer_empty(ring_buffer *ring_buffer) -{ - return (ring_buffer->tx_bd_used == ring_buffer->tx_bd_free); -} + if (__predict_true((status & GMAC_RX_EOF_BIT) != 0)) { + struct mbuf *n; -/* - * Is RingBuffer full - */ -static bool if_atsam_ring_buffer_full(ring_buffer *ring_buffer) -{ - size_t tx_bd_used_next = ring_buffer->tx_bd_used; + n = if_atsam_new_mbuf(ifp); + if (n != NULL) { + if_atsam_rx_update_mbuf(m, status); + (*ifp->if_input)(ifp, m); + m = n; + } + } else { + if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); + } - if_atsam_tx_bd_pos_update(&tx_bd_used_next, ring_buffer->length); - return (tx_bd_used_next == ring_buffer->tx_bd_free); -} + mbufs[idx] = m; + rx->bds[idx].addr.val = mtod(m, uint32_t) | + RX_DESC_WRAP(idx); -/* - * Cleanup transmit file descriptors by freeing mbufs which are not needed any - * longer due to correct transmission. - */ -static void if_atsam_tx_bd_cleanup(if_atsam_softc *sc) -{ - struct mbuf *m; - volatile sGmacTxDescriptor *cur; - bool eof_needed = false; - - while (!if_atsam_ring_buffer_empty(&sc->tx_ring)){ - cur = sc->tx_bd_base + sc->tx_ring.tx_bd_free; - if (((cur->status.bm.bUsed == 1) && !eof_needed) || eof_needed) { - eof_needed = true; - cur->status.val |= GMAC_TX_SET_USED; - m = sc->tx_mbuf[sc->tx_ring.tx_bd_free]; - m_free(m); - sc->tx_mbuf[sc->tx_ring.tx_bd_free] = 0; - if_atsam_tx_bd_pos_update(&sc->tx_ring.tx_bd_free, - sc->tx_ring.length); - if (cur->status.bm.bLastBuffer) { - eof_needed = false; - } - } else { - break; + idx = (idx + 1) % RX_DESC_COUNT; } } } -/* - * Prepare Ethernet frame to start transmission. - */ -static bool if_atsam_send_packet(if_atsam_softc *sc, struct mbuf *m) +static void +if_atsam_tx_reclaim(struct if_atsam_softc *sc, struct ifnet *ifp) { - volatile sGmacTxDescriptor *cur; - volatile sGmacTxDescriptor *start_packet_tx_bd = 0; - int pos = 0; - uint32_t tmp_val = 0; - Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; - bool success; - int csum_flags = m->m_pkthdr.csum_flags; + uint32_t head_idx; + uint32_t tail_idx; + volatile sGmacTxDescriptor *base; - if_atsam_tx_bd_cleanup(sc); - /* Wait for interrupt in case no buffer descriptors are available */ - /* Wait for events */ - while (true) { - if (if_atsam_ring_buffer_full(&sc->tx_ring)) { - /* Setup the interrupts for TX completion and errors */ - GMAC_EnableIt(pHw, GMAC_INT_TX_BITS, 0); - success = false; + head_idx = sc->tx_idx_head; + tail_idx = sc->tx_idx_tail; + base = &sc->tx->bds[0]; + + while (head_idx != tail_idx) { + uint32_t status; + ift_counter cnt; + struct mbuf *m; + + status = base[tail_idx].status.val; + + if ((status & GMAC_TX_USED_BIT) == 0) { break; } - /* - * Get current mbuf for data fill - */ - cur = &sc->tx_bd_base[sc->tx_ring.tx_bd_used]; - /* Set the transfer data */ - if (m->m_len) { - uintptr_t cache_adjustment = mtod(m, uintptr_t) % 32; - - rtems_cache_flush_multiple_data_lines( - mtod(m, const char *) - cache_adjustment, - (size_t)(m->m_len + cache_adjustment)); - - cur->addr = mtod(m, uint32_t); - tmp_val = (uint32_t)m->m_len | GMAC_TX_SET_USED; - if (sc->tx_ring.tx_bd_used == (sc->tx_ring.length - 1)) { - tmp_val |= GMAC_TX_SET_WRAP; - } - if (pos == 0) { - start_packet_tx_bd = cur; - } - sc->tx_mbuf[sc->tx_ring.tx_bd_used] = m; - m = m->m_next; - if_atsam_tx_bd_pos_update(&sc->tx_ring.tx_bd_used, - sc->tx_ring.length); + if (__predict_true((status & GMAC_TX_ERR_BITS) == 0)) { + cnt = IFCOUNTER_OPACKETS; } else { - /* Discard empty mbufs */ - m = m_free(m); + cnt = IFCOUNTER_OERRORS; } - /* - * Send out the buffer once the complete mbuf_chain has been - * processed - */ - if (m == NULL) { - tmp_val |= GMAC_TX_SET_EOF; - tmp_val &= ~GMAC_TX_SET_USED; - if ((csum_flags & (CSUM_IP | CSUM_TCP | CSUM_UDP | - CSUM_TCP_IPV6 | CSUM_UDP_IPV6)) != 0) { - start_packet_tx_bd->status.bm.bNoCRC = 0; - } else { - start_packet_tx_bd->status.bm.bNoCRC = 1; - } - _ARM_Data_synchronization_barrier(); - cur->status.val = tmp_val; - start_packet_tx_bd->status.val &= ~GMAC_TX_SET_USED; - _ARM_Data_synchronization_barrier(); - GMAC_TransmissionStart(pHw); - success = true; - break; - } else { - if (pos > 0) { - tmp_val &= ~GMAC_TX_SET_USED; + while ((m = sc->tx_mbufs[tail_idx]) == NULL ) { + base[tail_idx].status.val = status | GMAC_TX_USED_BIT; + tail_idx = (tail_idx + 1) % TX_DESC_COUNT; + status = base[tail_idx].status.val; + + if (__predict_false((status & GMAC_TX_ERR_BITS) != 0)) { + cnt = IFCOUNTER_OERRORS; } - pos++; - cur->status.val = tmp_val; } + + base[tail_idx].status.val = status | GMAC_TX_USED_BIT; + if_inc_counter(ifp, cnt, 1); + sc->tx_mbufs[tail_idx] = NULL; + m_freem(m); + + tail_idx = (tail_idx + 1) % TX_DESC_COUNT; } - return success; -} + sc->tx_idx_tail = tail_idx; +} -/* - * Transmit daemon - */ -static void if_atsam_tx_daemon(void *arg) +static void +if_atsam_cache_flush(uintptr_t begin, uintptr_t size) { - if_atsam_softc *sc = (if_atsam_softc *)arg; - rtems_event_set events = 0; - sGmacTxDescriptor *buffer_desc; - int bd_number; - void *tx_bd_base; - struct mbuf *m; - bool success; + uintptr_t end; + uintptr_t mask; + + /* Align begin and end of the data to a cache line */ + end = begin + size; + mask = CPU_CACHE_LINE_BYTES - 1; + begin &= ~mask; + end = (end + mask) & ~mask; + rtems_cache_flush_multiple_data_lines((void *)begin, end - begin); +} - IF_ATSAM_LOCK(sc); +static int +if_atsam_tx_enqueue(struct if_atsam_softc *sc, struct ifnet *ifp, struct mbuf *m) +{ + size_t head_idx; + size_t tail_idx; + size_t capacity; + size_t idx; + volatile sGmacTxDescriptor *base; + volatile sGmacTxDescriptor *desc; + size_t bufs; + uint32_t status; + struct mbuf *n; - Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; - struct ifnet *ifp = sc->ifp; + head_idx = sc->tx_idx_head; + tail_idx = sc->tx_idx_tail; + capacity = (tail_idx - head_idx - 1) % TX_DESC_COUNT; - GMAC_TransmitEnable(pHw, 0); + idx = head_idx; + base = &sc->tx->bds[0]; + bufs = 0; + n = m; - /* Allocate memory space for priority queue descriptor list */ - tx_bd_base = rtems_cache_coherent_allocate(sizeof(sGmacTxDescriptor), - GMAC_DESCRIPTOR_ALIGNMENT, 0); - assert(tx_bd_base != NULL); + do { + uint32_t size; - buffer_desc = (sGmacTxDescriptor *)tx_bd_base; - buffer_desc->addr = 0; - buffer_desc->status.val = GMAC_TX_SET_USED | GMAC_TX_SET_WRAP; + desc = &base[idx]; - GMAC_SetTxQueue(pHw, (uint32_t)buffer_desc, 1); - GMAC_SetTxQueue(pHw, (uint32_t)buffer_desc, 2); + size = (uint32_t)n->m_len; + if (__predict_true(size > 0)) { + uintptr_t begin; - /* Allocate memory space for buffer descriptor list */ - tx_bd_base = rtems_cache_coherent_allocate( - sc->amount_tx_buf * sizeof(sGmacTxDescriptor), - GMAC_DESCRIPTOR_ALIGNMENT, 0); - assert(tx_bd_base != NULL); - buffer_desc = (sGmacTxDescriptor *)tx_bd_base; + ++bufs; + if (__predict_false(bufs > capacity)) { + return (ENOBUFS); + } - /* Create descriptor list and mark as empty */ - for (bd_number = 0; bd_number < sc->amount_tx_buf; bd_number++) { - buffer_desc->addr = 0; - buffer_desc->status.val = GMAC_TX_SET_USED; - if (bd_number == (sc->amount_tx_buf - 1)) { - buffer_desc->status.bm.bWrap = 1; - } else { - buffer_desc++; + begin = mtod(n, uintptr_t); + desc->addr = (uint32_t)begin; + status = GMAC_TX_USED_BIT | TX_DESC_WRAP(idx) | size; + desc->status.val = status; + if_atsam_cache_flush(begin, size); + idx = (idx + 1) % TX_DESC_COUNT; } + + n = n->m_next; + } while (n != NULL); + + sc->tx_idx_head = idx; + + idx = (idx - 1) % TX_DESC_COUNT; + desc = &base[idx]; + sc->tx_mbufs[idx] = m; + status = GMAC_TX_LAST_BUFFER_BIT; + + while (idx != head_idx) { + desc->status.val = (desc->status.val & ~GMAC_TX_USED_BIT) | + status; + status = 0; + + idx = (idx - 1) % TX_DESC_COUNT; + desc = &base[idx]; } - buffer_desc = (sGmacTxDescriptor *)tx_bd_base; - /* Write Buffer Queue Base Address Register */ - GMAC_SetTxQueue(pHw, (uint32_t)buffer_desc, 0); + desc->status.val = (desc->status.val & ~GMAC_TX_USED_BIT) | status; + _ARM_Data_synchronization_barrier(); + sc->Gmac_inst.gGmacd.pHw->GMAC_NCR |= GMAC_NCR_TSTART; + ETHER_BPF_MTAP(ifp, m); + return (0); +} - /* Enable Transmission of data */ - GMAC_TransmitEnable(pHw, 1); +static int +if_atsam_transmit(struct ifnet *ifp, struct mbuf *m) +{ + struct if_atsam_softc *sc; + int error; - /* Set variables in context */ - sc->tx_bd_base = tx_bd_base; + if (__predict_false((m->m_flags & M_VLANTAG) != 0)) { + struct mbuf *n; - while (true) { - /* Wait for events */ - if_atsam_event_receive(sc, - ATSAMV7_ETH_START_TRANSMIT_EVENT | - ATSAMV7_ETH_TX_EVENT_INTERRUPT); - //printf("TX Transmit Event received\n"); - - /* - * Send packets till queue is empty - */ - while (true) { - /* - * Get the mbuf chain to transmit - */ - if_atsam_tx_bd_cleanup(sc); - IF_DEQUEUE(&ifp->if_snd, m); - if (!m) { - ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; - break; - } - success = if_atsam_send_packet(sc, m); - if (!success){ - break; - } + n = ether_vlanencap(m, m->m_pkthdr.ether_vtag); + if (n == NULL) { + m_freem(m); + return (ENOBUFS); } + + m = n; } -} + sc = ifp->if_softc; + IF_ATSAM_LOCK(sc); -/* - * Send packet (caller provides header). - */ -static void if_atsam_enet_start(struct ifnet *ifp) -{ - if_atsam_softc *sc = (if_atsam_softc *)ifp->if_softc; + error = if_atsam_tx_enqueue(sc, ifp, m); + if_atsam_tx_reclaim(sc, ifp); - ifp->if_drv_flags |= IFF_DRV_OACTIVE; - if_atsam_event_send(sc->tx_daemon_tid, - ATSAMV7_ETH_START_TRANSMIT_EVENT); -} + if (__predict_false(error != 0)) { + struct mbuf *n; + n = m_defrag(m, M_NOWAIT); + if (n != NULL) { + m = n; + } + + error = if_atsam_tx_enqueue(sc, ifp, m); + if (error != 0) { + m_freem(m); + if_inc_counter(ifp, IFCOUNTER_OQDROPS, 1); + } + } + + IF_ATSAM_UNLOCK(sc); + return (error); +} static uint8_t if_atsam_get_gmac_linkspeed_from_media(uint32_t media_subtype) { @@ -975,23 +853,55 @@ if_atsam_tick(void *context) callout_reset(&sc->tick_ch, hz, if_atsam_tick, sc); } +static void +if_atsam_setup_tx(struct if_atsam_softc *sc) +{ + sGmacTxDescriptor *base; + struct if_atsam_tx_bds *tx; + size_t i; + Gmac *pHw; -/* - * Sets up the hardware and chooses the interface to be used - */ -static void if_atsam_init(void *arg) + pHw = sc->Gmac_inst.gGmacd.pHw; + GMAC_TransmitEnable(pHw, 0); + + /* Allocate memory space for priority queue descriptor list */ + base = rtems_cache_coherent_allocate(sizeof(base), + GMAC_DESCRIPTOR_ALIGNMENT, 0); + assert(base != NULL); + + base->addr = 0; + base->status.val = GMAC_TX_USED_BIT | GMAC_TX_WRAP_BIT; + + GMAC_SetTxQueue(pHw, (uint32_t)base, 1); + GMAC_SetTxQueue(pHw, (uint32_t)base, 2); + + /* Allocate memory space for buffer descriptor list */ + tx = rtems_cache_coherent_allocate(sizeof(*sc->tx), + GMAC_DESCRIPTOR_ALIGNMENT, 0); + assert(tx != NULL); + + /* Set variables in context */ + sc->tx = tx; + + /* Create descriptor list and mark as empty */ + for (i = 0; i < TX_DESC_COUNT; ++i) { + tx->bds[i].addr = 0; + tx->bds[i].status.val = GMAC_TX_USED_BIT | TX_DESC_WRAP(i); + } + + /* Write Buffer Queue Base Address Register */ + GMAC_SetTxQueue(pHw, (uint32_t)&tx->bds[0], 0); + + /* Enable Transmission of data */ + GMAC_TransmitEnable(pHw, 1); +} + +static void +if_atsam_init(if_atsam_softc *sc) { rtems_status_code status; - - if_atsam_softc *sc = (if_atsam_softc *)arg; - struct ifnet *ifp = sc->ifp; uint32_t dmac_cfg = 0; - uint32_t gmii_val = 0; - if (ifp->if_flags & IFF_DRV_RUNNING) { - return; - } - ifp->if_flags |= IFF_DRV_RUNNING; sc->interrupt_number = GMAC_IRQn; /* Enable Peripheral Clock */ @@ -1000,7 +910,6 @@ static void if_atsam_init(void *arg) } /* Setup interrupts */ NVIC_ClearPendingIRQ(GMAC_IRQn); - NVIC_EnableIRQ(GMAC_IRQn); /* Configuration of DMAC */ dmac_cfg = (GMAC_DCFGR_DRBS(GMAC_RX_BUFFER_SIZE >> 6)) | @@ -1011,20 +920,17 @@ static void if_atsam_init(void *arg) /* Enable hardware checksum offload for receive */ sc->Gmac_inst.gGmacd.pHw->GMAC_NCFGR |= GMAC_NCFGR_RXCOEN; + /* Use Multicast Hash Filter */ + sc->Gmac_inst.gGmacd.pHw->GMAC_NCFGR |= GMAC_NCFGR_MTIHEN; + sc->Gmac_inst.gGmacd.pHw->GMAC_HRB = 0; + sc->Gmac_inst.gGmacd.pHw->GMAC_HRT = 0; + /* Shut down Transmit and Receive */ GMAC_ReceiveEnable(sc->Gmac_inst.gGmacd.pHw, 0); GMAC_TransmitEnable(sc->Gmac_inst.gGmacd.pHw, 0); GMAC_StatisticsWriteEnable(sc->Gmac_inst.gGmacd.pHw, 1); - /* - * Allocate mbuf pointers - */ - sc->rx_mbuf = malloc(sc->amount_rx_buf * sizeof *sc->rx_mbuf, - M_TEMP, M_NOWAIT); - sc->tx_mbuf = malloc(sc->amount_tx_buf * sizeof *sc->tx_mbuf, - M_TEMP, M_NOWAIT); - /* Install interrupt handler */ status = rtems_interrupt_handler_install(sc->interrupt_number, "Ethernet", @@ -1036,30 +942,143 @@ static void if_atsam_init(void *arg) /* * Start driver tasks */ - sc->rx_daemon_tid = rtems_bsdnet_newproc("SCrx", 4096, - if_atsam_rx_daemon, sc); - sc->tx_daemon_tid = rtems_bsdnet_newproc("SCtx", 4096, - if_atsam_tx_daemon, sc); + + status = rtems_task_create(rtems_build_name('S', 'C', 'r', 'x'), + rtems_bsd_get_task_priority(device_get_name(sc->dev)), 4096, + RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_MODES, &sc->rx_daemon_tid); + assert(status == RTEMS_SUCCESSFUL); + + status = rtems_task_start(sc->rx_daemon_tid, if_atsam_rx_daemon, + (rtems_task_argument)sc); + assert(status == RTEMS_SUCCESSFUL); callout_reset(&sc->tick_ch, hz, if_atsam_tick, sc); + if_atsam_setup_tx(sc); +} + +static int +if_atsam_get_hash_index(const uint8_t *eaddr) +{ + uint64_t eaddr64; + int index; + int i; + + eaddr64 = eaddr[5]; + + for (i = 4; i >= 0; --i) { + eaddr64 <<= 8; + eaddr64 |= eaddr[i]; + } + + index = 0; + + for (i = 0; i < 6; ++i) { + uint64_t bits; + int j; + int hash; + + bits = eaddr64 >> i; + hash = bits & 1; + + for (j = 1; j < 8; ++j) { + bits >>= 6; + hash ^= bits & 1; + } + + index |= hash << i; + } + + return index; +} + +static void +if_atsam_setup_rxfilter(struct if_atsam_softc *sc) +{ + struct ifnet *ifp; + struct ifmultiaddr *ifma; + uint64_t mhash; + Gmac *pHw; + + pHw = sc->Gmac_inst.gGmacd.pHw; + + if ((sc->ifp->if_flags & IFF_PROMISC) != 0) { + pHw->GMAC_NCFGR |= GMAC_NCFGR_CAF; + } else { + pHw->GMAC_NCFGR &= ~GMAC_NCFGR_CAF; + } + + ifp = sc->ifp; + + if ((ifp->if_flags & IFF_ALLMULTI)) + mhash = 0xffffffffffffffffLLU; + else { + mhash = 0; + if_maddr_rlock(ifp); + CK_STAILQ_FOREACH(ifma, &sc->ifp->if_multiaddrs, ifma_link) { + if (ifma->ifma_addr->sa_family != AF_LINK) + continue; + mhash |= 1LLU << if_atsam_get_hash_index( + LLADDR((struct sockaddr_dl *) ifma->ifma_addr)); + } + if_maddr_runlock(ifp); + } + + pHw->GMAC_HRB = (uint32_t)mhash; + pHw->GMAC_HRT = (uint32_t)(mhash >> 32); +} + +static void +if_atsam_start_locked(struct if_atsam_softc *sc) +{ + struct ifnet *ifp = sc->ifp; + Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + return; + } + ifp->if_drv_flags |= IFF_DRV_RUNNING; + + if_atsam_setup_rxfilter(sc); + + /* Enable TX/RX */ + pHw->GMAC_NCR |= GMAC_NCR_RXEN | GMAC_NCR_TXEN; } +static void +if_atsam_start(void *arg) +{ + struct if_atsam_softc *sc = arg; -/* - * Stop the device - */ -static void if_atsam_stop(struct if_atsam_softc *sc) + IF_ATSAM_LOCK(sc); + if_atsam_start_locked(sc); + IF_ATSAM_UNLOCK(sc); +} + +static void +if_atsam_stop_locked(struct if_atsam_softc *sc) { struct ifnet *ifp = sc->ifp; Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + size_t i; - ifp->if_flags &= ~IFF_DRV_RUNNING; + ifp->if_drv_flags &= ~IFF_DRV_RUNNING; - /* Disable MDIO interface and TX/RX */ + /* Disable TX/RX */ pHw->GMAC_NCR &= ~(GMAC_NCR_RXEN | GMAC_NCR_TXEN); - pHw->GMAC_NCR &= ~GMAC_NCR_MPE; + + /* Reinitialize the TX descriptors */ + + sc->tx_idx_head = 0; + sc->tx_idx_tail = 0; + + for (i = 0; i < TX_DESC_COUNT; ++i) { + sc->tx->bds[i].addr = 0; + sc->tx->bds[i].status.val = GMAC_TX_USED_BIT | TX_DESC_WRAP(i); + m_freem(sc->tx_mbufs[i]); + sc->tx_mbufs[i] = NULL; + } } @@ -1070,7 +1089,7 @@ if_atsam_poll_hw_stats(struct if_atsam_softc *sc) Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; octets = pHw->GMAC_OTLO; - octets |= pHw->GMAC_OTHI << 32; + octets |= (uint64_t)pHw->GMAC_OTHI << 32; sc->stats.octets_transm += octets; sc->stats.frames_transm += pHw->GMAC_FT; sc->stats.broadcast_frames_transm += pHw->GMAC_BCFT; @@ -1092,7 +1111,7 @@ if_atsam_poll_hw_stats(struct if_atsam_softc *sc) sc->stats.carrier_sense_errors += pHw->GMAC_CSE; octets = pHw->GMAC_ORLO; - octets |= pHw->GMAC_ORHI << 32; + octets |= (uint64_t)pHw->GMAC_ORHI << 32; sc->stats.octets_rec += octets; sc->stats.frames_rec += pHw->GMAC_FR; sc->stats.broadcast_frames_rec += pHw->GMAC_BCFR; @@ -1120,24 +1139,159 @@ if_atsam_poll_hw_stats(struct if_atsam_softc *sc) sc->stats.udp_checksum_errors += pHw->GMAC_UCE; } +static int +if_atsam_stats_reset(SYSCTL_HANDLER_ARGS) +{ + struct if_atsam_softc *sc = arg1; + int value; + int error; + + value = 0; + error = sysctl_handle_int(oidp, &value, 0, req); + if (error != 0 || req->newptr == NULL) { + return (error); + } + + if (value != 0) { + IF_ATSAM_LOCK(sc); + if_atsam_poll_hw_stats(sc); + memset(&sc->stats, 0, sizeof(sc->stats)); + IF_ATSAM_UNLOCK(sc); + } + + return (0); +} + +static int +if_atsam_sysctl_reg(SYSCTL_HANDLER_ARGS) +{ + u_int value; + + value = *(uint32_t *)arg1; + return (sysctl_handle_int(oidp, &value, 0, req)); +} + +static int +if_atsam_sysctl_tx_desc(SYSCTL_HANDLER_ARGS) +{ + struct if_atsam_softc *sc = arg1; + Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + struct sbuf *sb; + int error; + size_t i; + + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) { + return (error); + } + + sb = sbuf_new_for_sysctl(NULL, NULL, 1024, req); + if (sb == NULL) { + return (ENOMEM); + } + + sbuf_printf(sb, "\n\tHead %u\n", sc->tx_idx_head); + sbuf_printf(sb, "\tTail %u\n", sc->tx_idx_tail); + sbuf_printf(sb, "\tDMA %u\n", + (pHw->GMAC_TBQB - (uintptr_t)&sc->tx->bds[0]) / 8); + + for (i = 0; i < TX_DESC_COUNT; ++i) { + sbuf_printf(sb, "\t[%2u] %08x %08x\n", i, + sc->tx->bds[i].status.val, sc->tx->bds[i].addr); + } + + error = sbuf_finish(sb); + sbuf_delete(sb); + return (error); +} + +static int +if_atsam_sysctl_rx_desc(SYSCTL_HANDLER_ARGS) +{ + struct if_atsam_softc *sc = arg1; + Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; + struct sbuf *sb; + int error; + size_t i; + + error = sysctl_wire_old_buffer(req, 0); + if (error != 0) { + return (error); + } + + sb = sbuf_new_for_sysctl(NULL, NULL, 1024, req); + if (sb == NULL) { + return (ENOMEM); + } + + sbuf_printf(sb, "\n\tHead %u\n", sc->rx_idx_head); + sbuf_printf(sb, "\tDMA %u\n", + (pHw->GMAC_RBQB - (uintptr_t)&sc->rx->bds[0]) / 8); + + for (i = 0; i < RX_DESC_COUNT; ++i) { + sbuf_printf(sb, "\t[%2u] %08x %08x\n", i, + sc->rx->bds[i].status.val, sc->rx->bds[i].addr); + } + + error = sbuf_finish(sb); + sbuf_delete(sb); + return (error); +} static void if_atsam_add_sysctls(device_t dev) { struct if_atsam_softc *sc = device_get_softc(dev); + Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; struct sysctl_ctx_list *ctx; + struct sysctl_oid_list *base; struct sysctl_oid_list *statsnode; struct sysctl_oid_list *hwstatsnode; struct sysctl_oid_list *child; struct sysctl_oid *tree; ctx = device_get_sysctl_ctx(dev); - child = SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); + base = SYSCTL_CHILDREN(device_get_sysctl_tree(dev)); - tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, + tree = SYSCTL_ADD_NODE(ctx, base, OID_AUTO, "regs", CTLFLAG_RD, + NULL, "if_atsam registers"); + child = SYSCTL_CHILDREN(tree); + + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "txdesc", CTLTYPE_STRING | + CTLFLAG_RD, sc, 0, if_atsam_sysctl_tx_desc, "A", + "Transmit Descriptors"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rxdesc", CTLTYPE_STRING | + CTLFLAG_RD, sc, 0, if_atsam_sysctl_rx_desc, "A", + "Receive Descriptors"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "imr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_IMR), 0, + if_atsam_sysctl_reg, "I", "IMR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "isr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_ISR), 0, + if_atsam_sysctl_reg, "I", "ISR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "rsr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_RSR), 0, + if_atsam_sysctl_reg, "I", "RSR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "tsr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_TSR), 0, + if_atsam_sysctl_reg, "I", "TSR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "nsr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_NSR), 0, + if_atsam_sysctl_reg, "I", "NSR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "ncfgr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_NCFGR), 0, + if_atsam_sysctl_reg, "I", "NCFGR"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "ncr", CTLTYPE_UINT | + CTLFLAG_RD, __DEVOLATILE(uint32_t *, &pHw->GMAC_NCR), 0, + if_atsam_sysctl_reg, "I", "NCR"); + + tree = SYSCTL_ADD_NODE(ctx, base, OID_AUTO, "stats", CTLFLAG_RD, NULL, "if_atsam statistics"); statsnode = SYSCTL_CHILDREN(tree); + SYSCTL_ADD_PROC(ctx, statsnode, OID_AUTO, "reset", CTLTYPE_INT | + CTLFLAG_WR, sc, 0, if_atsam_stats_reset, "I", "Reset"); + tree = SYSCTL_ADD_NODE(ctx, statsnode, OID_AUTO, "sw", CTLFLAG_RD, NULL, "if_atsam software statistics"); child = SYSCTL_CHILDREN(tree); @@ -1145,12 +1299,12 @@ if_atsam_add_sysctls(device_t dev) SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "rx_overrun_errors", CTLFLAG_RD, &sc->stats.rx_overrun_errors, 0, "RX overrun errors"); + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "rx_used_bit_reads", + CTLFLAG_RD, &sc->stats.rx_used_bit_reads, 0, + "RX used bit reads"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "rx_interrupts", CTLFLAG_RD, &sc->stats.rx_interrupts, 0, "Rx interrupts"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "tx_complete_int", - CTLFLAG_RD, &sc->stats.tx_complete_int, 0, - "Tx complete interrupts"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "tx_tur_errors", CTLFLAG_RD, &sc->stats.tx_tur_errors, 0, "Error Tur Tx interrupts"); @@ -1163,9 +1317,6 @@ if_atsam_add_sysctls(device_t dev) SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "tx_hresp_errors", CTLFLAG_RD, &sc->stats.tx_hresp_errors, 0, "Error Hresp Tx interrupts"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "tx_interrupts", - CTLFLAG_RD, &sc->stats.tx_interrupts, 0, - "Tx interrupts"); tree = SYSCTL_ADD_NODE(ctx, statsnode, OID_AUTO, "hw", CTLFLAG_RD, NULL, "if_atsam hardware statistics"); @@ -1175,40 +1326,40 @@ if_atsam_add_sysctls(device_t dev) NULL, "if_atsam hardware transmit statistics"); child = SYSCTL_CHILDREN(tree); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "octets_transm", + SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "octets", CTLFLAG_RD, &sc->stats.octets_transm, "Octets Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames", CTLFLAG_RD, &sc->stats.frames_transm, 0, "Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "broadcast_frames_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "broadcast_frames", CTLFLAG_RD, &sc->stats.broadcast_frames_transm, 0, "Broadcast Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "multicast_frames_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "multicast_frames", CTLFLAG_RD, &sc->stats.multicast_frames_transm, 0, "Multicast Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "pause_frames_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "pause_frames", CTLFLAG_RD, &sc->stats.pause_frames_transm, 0, "Pause Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_64_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_64_bytes", CTLFLAG_RD, &sc->stats.frames_64_byte_transm, 0, "64 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_65_to_127_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_65_to_127_bytes", CTLFLAG_RD, &sc->stats.frames_65_to_127_byte_transm, 0, "65 to 127 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_128_to_255_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_128_to_255_bytes", CTLFLAG_RD, &sc->stats.frames_128_to_255_byte_transm, 0, "128 to 255 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_256_to_511_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_256_to_511_bytes", CTLFLAG_RD, &sc->stats.frames_256_to_511_byte_transm, 0, "256 to 511 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_512_to_1023_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_512_to_1023_bytes", CTLFLAG_RD, &sc->stats.frames_512_to_1023_byte_transm, 0, "512 to 1023 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1024_to_1518_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1024_to_1518_bytes", CTLFLAG_RD, &sc->stats.frames_1024_to_1518_byte_transm, 0, "1024 to 1518 Byte Frames Transmitted"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_greater_1518_byte_transm", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1519_to_maximum_bytes", CTLFLAG_RD, &sc->stats.frames_greater_1518_byte_transm, 0, "Greater Than 1518 Byte Frames Transmitted"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "transmit_underruns", @@ -1237,49 +1388,49 @@ if_atsam_add_sysctls(device_t dev) NULL, "if_atsam hardware receive statistics"); child = SYSCTL_CHILDREN(tree); - SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "octets_rec", + SYSCTL_ADD_UQUAD(ctx, child, OID_AUTO, "octets", CTLFLAG_RD, &sc->stats.octets_rec, "Octets Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames", CTLFLAG_RD, &sc->stats.frames_rec, 0, "Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "broadcast_frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "broadcast_frames", CTLFLAG_RD, &sc->stats.broadcast_frames_rec, 0, "Broadcast Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "multicast_frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "multicast_frames", CTLFLAG_RD, &sc->stats.multicast_frames_rec, 0, "Multicast Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "pause_frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "pause_frames", CTLFLAG_RD, &sc->stats.pause_frames_rec, 0, "Pause Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_64_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_64_bytes", CTLFLAG_RD, &sc->stats.frames_64_byte_rec, 0, "64 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_65_to_127_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_65_to_127_bytes", CTLFLAG_RD, &sc->stats.frames_65_to_127_byte_rec, 0, "65 to 127 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_128_to_255_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_128_to_255_bytes", CTLFLAG_RD, &sc->stats.frames_128_to_255_byte_rec, 0, "128 to 255 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_256_to_511_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_256_to_511_bytes", CTLFLAG_RD, &sc->stats.frames_256_to_511_byte_rec, 0, "256 to 511 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_512_to_1023_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_512_to_1023_bytes", CTLFLAG_RD, &sc->stats.frames_512_to_1023_byte_rec, 0, "512 to 1023 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1024_to_1518_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1024_to_1518_bytes", CTLFLAG_RD, &sc->stats.frames_1024_to_1518_byte_rec, 0, "1024 to 1518 Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1519_to_maximum_byte_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frames_1519_to_maximum_bytes", CTLFLAG_RD, &sc->stats.frames_1519_to_maximum_byte_rec, 0, "1519 to Maximum Byte Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "undersize_frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "undersize_frames", CTLFLAG_RD, &sc->stats.undersize_frames_rec, 0, "Undersize Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "oversize_frames_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "oversize_frames", CTLFLAG_RD, &sc->stats.oversize_frames_rec, 0, "Oversize Frames Received"); - SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "jabbers_rec", + SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "jabbers", CTLFLAG_RD, &sc->stats.jabbers_rec, 0, "Jabbers Received"); SYSCTL_ADD_UINT(ctx, child, OID_AUTO, "frame_check_sequence_errors", @@ -1311,49 +1462,6 @@ if_atsam_add_sysctls(device_t dev) "UDP Checksum Errors"); } - -/* - * Calculates the index that is to be sent into the hash registers - */ -static void if_atsam_get_hash_index(uint64_t addr, uint32_t *val) -{ - uint64_t tmp_val; - uint8_t i, j; - uint64_t idx; - int offset = 0; - - addr &= MAC_ADDR_MASK; - - for (i = 0; i < HASH_INDEX_AMOUNT; ++i) { - tmp_val = 0; - offset = 0; - for (j = 0; j < HASH_ELEMENTS_PER_INDEX; j++) { - idx = (addr >> (offset + i)) & MAC_IDX_MASK; - tmp_val ^= idx; - offset += HASH_INDEX_AMOUNT; - } - if (tmp_val > 0) { - *val |= (1u << i); - } - } -} - - -/* - * Dis/Enable promiscuous Mode - */ -static void if_atsam_promiscuous_mode(if_atsam_softc *sc, bool enable) -{ - Gmac *pHw = sc->Gmac_inst.gGmacd.pHw; - - if (enable) { - pHw->GMAC_NCFGR |= GMAC_PROM_ENABLE; - } else { - pHw->GMAC_NCFGR &= ~GMAC_PROM_ENABLE; - } -} - - static int if_atsam_mediaioctl(if_atsam_softc *sc, struct ifreq *ifr, u_long command) { @@ -1380,8 +1488,6 @@ if_atsam_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data) if_atsam_softc *sc = (if_atsam_softc *)ifp->if_softc; struct ifreq *ifr = (struct ifreq *)data; int rv = 0; - bool prom_enable; - struct mii_data *mii; switch (command) { case SIOCGIFMEDIA: @@ -1389,17 +1495,31 @@ if_atsam_ioctl(struct ifnet *ifp, ioctl_command_t command, caddr_t data) rv = if_atsam_mediaioctl(sc, ifr, command); break; case SIOCSIFFLAGS: + IF_ATSAM_LOCK(sc); if (ifp->if_flags & IFF_UP) { - if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { - if_atsam_init(sc); + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + if ((ifp->if_flags ^ sc->if_flags) & + (IFF_PROMISC | IFF_ALLMULTI)) { + if_atsam_setup_rxfilter(sc); + } + } else { + if_atsam_start_locked(sc); } - prom_enable = ((ifp->if_flags & IFF_PROMISC) != 0); - if_atsam_promiscuous_mode(sc, prom_enable); } else { if (ifp->if_drv_flags & IFF_DRV_RUNNING) { - if_atsam_stop(sc); + if_atsam_stop_locked(sc); } } + sc->if_flags = ifp->if_flags; + IF_ATSAM_UNLOCK(sc); + break; + case SIOCADDMULTI: + case SIOCDELMULTI: + if (ifp->if_drv_flags & IFF_DRV_RUNNING) { + IF_ATSAM_LOCK(sc); + if_atsam_setup_rxfilter(sc); + IF_ATSAM_UNLOCK(sc); + } break; default: rv = ether_ioctl(ifp, command, data); @@ -1416,7 +1536,6 @@ static int if_atsam_driver_attach(device_t dev) if_atsam_softc *sc; struct ifnet *ifp; int unit; - char *unitName; uint8_t eaddr[ETHER_ADDR_LEN]; sc = device_get_softc(dev); @@ -1437,13 +1556,6 @@ static int if_atsam_driver_attach(device_t dev) memcpy(sc->GMacAddress, eaddr, ETHER_ADDR_LEN); - sc->amount_rx_buf = RXBUF_COUNT; - sc->amount_tx_buf = TXBUF_COUNT; - - sc->tx_ring.tx_bd_used = 0; - sc->tx_ring.tx_bd_free = 0; - sc->tx_ring.length = sc->amount_tx_buf; - /* Set Initial Link Speed */ sc->link_speed = GMAC_SPEED_100M; sc->link_duplex = GMAC_DUPLEX_FULL; @@ -1486,17 +1598,20 @@ static int if_atsam_driver_attach(device_t dev) */ ifp->if_softc = sc; if_initname(ifp, device_get_name(dev), device_get_unit(dev)); - ifp->if_init = if_atsam_init; + ifp->if_init = if_atsam_start; ifp->if_ioctl = if_atsam_ioctl; - ifp->if_start = if_atsam_enet_start; - ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX; + ifp->if_transmit = if_atsam_transmit; + ifp->if_qflush = if_qflush; + ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX; ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 | - IFCAP_VLAN_HWCSUM; + IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWTAGGING; + ifp->if_capenable = ifp->if_capabilities; ifp->if_hwassist = CSUM_IP | CSUM_IP_UDP | CSUM_IP_TCP | CSUM_IP6_UDP | CSUM_IP6_TCP; - IFQ_SET_MAXLEN(&ifp->if_snd, TXBUF_COUNT - 1); - ifp->if_snd.ifq_drv_maxlen = TXBUF_COUNT - 1; + IFQ_SET_MAXLEN(&ifp->if_snd, TX_DESC_COUNT - 1); + ifp->if_snd.ifq_drv_maxlen = TX_DESC_COUNT - 1; IFQ_SET_READY(&ifp->if_snd); + ifp->if_hdrlen = sizeof(struct ether_vlan_header); /* * Attach the interface @@ -1504,6 +1619,7 @@ static int if_atsam_driver_attach(device_t dev) ether_ifattach(ifp, eaddr); if_atsam_add_sysctls(dev); + if_atsam_init(sc); return (0); } diff --git a/rtemsbsd/sys/dev/mve/if_mve.c b/rtemsbsd/sys/dev/mve/if_mve.c new file mode 100644 index 00000000..517484ee --- /dev/null +++ b/rtemsbsd/sys/dev/mve/if_mve.c @@ -0,0 +1,2389 @@ +/* RTEMS driver for the mv643xx gigabit ethernet chip */ + +/* Acknowledgement: + * + * Valuable information for developing this driver was obtained + * from the linux open-source driver mv643xx_eth.c which was written + * by the following people and organizations: + * + * Matthew Dharm <mdharm@momenco.com> + * rabeeh@galileo.co.il + * PMC-Sierra, Inc., Manish Lachwani + * Ralf Baechle <ralf@linux-mips.org> + * MontaVista Software, Inc., Dale Farnsworth <dale@farnsworth.org> + * Steven J. Hill <sjhill1@rockwellcollins.com>/<sjhill@realitydiluted.com> + * + * Note however, that in spite of the identical name of this file + * (and some of the symbols used herein) this file provides a + * new implementation and is the original work by the author. + */ + +/* + * Authorship + * ---------- + * This software (mv643xx ethernet driver for RTEMS) was + * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007, + * Stanford Linear Accelerator Center, Stanford University. + * + * Acknowledgement of sponsorship + * ------------------------------ + * The 'mv643xx ethernet driver for RTEMS' was produced by + * the Stanford Linear Accelerator Center, Stanford University, + * under Contract DE-AC03-76SFO0515 with the Department of Energy. + * + * Government disclaimer of liability + * ---------------------------------- + * Neither the United States nor the United States Department of Energy, + * nor any of their employees, makes any warranty, express or implied, or + * assumes any legal liability or responsibility for the accuracy, + * completeness, or usefulness of any data, apparatus, product, or process + * disclosed, or represents that its use would not infringe privately owned + * rights. + * + * Stanford disclaimer of liability + * -------------------------------- + * Stanford University makes no representations or warranties, express or + * implied, nor assumes any liability for the use of this software. + * + * Stanford disclaimer of copyright + * -------------------------------- + * Stanford University, owner of the copyright, hereby disclaims its + * copyright and all other rights in this software. Hence, anyone may + * freely use it for any purpose without restriction. + * + * Maintenance of notices + * ---------------------- + * In the interest of clarity regarding the origin and status of this + * SLAC software, this and all the preceding Stanford University notices + * are to remain affixed to any copy or derivative of this software made + * or distributed by the recipient and are to be affixed to any copy of + * software made or distributed by the recipient that contains a copy or + * derivative of this software. + * + * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 + */ + +/* + * NOTE: Some register (e.g., the SMI register) are SHARED among the + * three devices. Concurrent access protection is provided by + * the global networking semaphore. + * If other drivers are running on a subset of IFs then proper + * locking of all shared registers must be implemented! + * + * Some things I learned about this hardware can be found + * further down... + */ + +/* +#ifndef KERNEL +#define KERNEL +#endif +#ifndef _KERNEL +#define _KERNEL +#endif +*/ + +#include <bsp.h> + +#ifdef LIBBSP_BEATNIK_BSP_H + +#include <rtems/bspIo.h> +#include <rtems/error.h> +#include <bsp/irq.h> +#include <bsp/gtreg.h> +#include <libcpu/byteorder.h> +#include <assert.h> +#include <stdio.h> +#include <errno.h> +#include <inttypes.h> +#include <stdlib.h> + +#include <bsp/mv643xx_eth.h> + +/* CONFIGURABLE PARAMETERS */ + +/* Enable Hardware Snooping; if this is disabled (undefined), + * cache coherency is maintained by software. + */ +#undef ENABLE_HW_SNOOPING + +/* Compile-time debugging features */ + +/* Enable paranoia assertions and checks; reduce # of descriptors to minimum for stressing */ +#define MVETH_TESTING + +/* Enable debugging messages and some support routines (dump rings etc.) */ +#undef MVETH_DEBUG + +#define TX_NUM_TAG_SLOTS 1 /* leave room for tag; must not be 0 */ + +/* This is REAL; chip reads from 64-bit down-aligned buffer + * if the buffer size is < 8 !!! for buffer sizes 8 and upwards + * alignment is not an issue. This was verified using the + * 'mve_smallbuf_test.c' + */ +#define ENABLE_TX_WORKAROUND_8_BYTE_PROBLEM + +/* Chip register configuration values */ +#define MVETH_PORT_CONFIG_VAL (0 \ + | MV643XX_ETH_DFLT_RX_Q(0) \ + | MV643XX_ETH_DFLT_RX_ARP_Q(0) \ + | MV643XX_ETH_DFLT_RX_TCP_Q(0) \ + | MV643XX_ETH_DFLT_RX_UDP_Q(0) \ + | MV643XX_ETH_DFLT_RX_BPDU_Q(0) \ + ) + + +#define MVETH_PORT_XTEND_CONFIG_VAL 0 + +#ifdef OLDCONFIGVAL +#define MVETH_SERIAL_CTRL_CONFIG_VAL (0 \ + | MV643XX_ETH_FORCE_LINK_PASS \ + | MV643XX_ETH_DISABLE_AUTO_NEG_FOR_FLOWCTL \ + | MV643XX_ETH_ADVERTISE_SYMMETRIC_FLOWCTL \ + | MV643XX_ETH_BIT9_UNKNOWN \ + | MV643XX_ETH_FORCE_LINK_FAIL_DISABLE \ + | MV643XX_ETH_SC_MAX_RX_1552 \ + | MV643XX_ETH_SET_FULL_DUPLEX \ + | MV643XX_ETH_ENBL_FLOWCTL_TX_RX_IN_FD \ + ) +#endif +/* If we enable autoneg (duplex, speed, ...) then it seems + * that the chip automatically updates link settings + * (correct link settings are reflected in PORT_STATUS_R). + * However, when we disable aneg in the PHY then things + * can get messed up and the port doesn't work anymore. + * => we follow the linux driver in disabling all aneg + * in the serial config reg. and manually updating the + * speed & duplex bits when the phy link status changes. + * FIXME: don't know what to do about pause/flow-ctrl. + * It is best to just use ANEG anyways!!! + */ +#define MVETH_SERIAL_CTRL_CONFIG_VAL (0 \ + | MV643XX_ETH_DISABLE_AUTO_NEG_FOR_DUPLEX \ + | MV643XX_ETH_DISABLE_AUTO_NEG_FOR_FLOWCTL \ + | MV643XX_ETH_ADVERTISE_SYMMETRIC_FLOWCTL \ + | MV643XX_ETH_BIT9_UNKNOWN \ + | MV643XX_ETH_FORCE_LINK_FAIL_DISABLE \ + | MV643XX_ETH_DISABLE_AUTO_NEG_SPEED_GMII \ + | MV643XX_ETH_SC_MAX_RX_1552 \ + ) + +#define MVETH_SERIAL_CTRL_CONFIG_MSK (0 \ + | MV643XX_ETH_SERIAL_PORT_ENBL \ + | MV643XX_ETH_FORCE_LINK_PASS \ + | MV643XX_ETH_SC_MAX_RX_MASK \ + ) + + +#ifdef __PPC__ +#define MVETH_SDMA_CONFIG_VAL (0 \ + | MV643XX_ETH_RX_BURST_SZ_4_64BIT \ + | MV643XX_ETH_TX_BURST_SZ_4_64BIT \ + ) +#else +#define MVETH_SDMA_CONFIG_VAL (0 \ + | MV643XX_ETH_RX_BURST_SZ_16_64BIT \ + | MV643XX_ETH_TX_BURST_SZ_16_64BIT \ + ) +#endif + +/* minimal frame size we accept */ +#define MVETH_MIN_FRAMSZ_CONFIG_VAL 40 + +/* END OF CONFIGURABLE SECTION */ + +/* + * Here's stuff I learned about this chip: + * + * + * RX interrupt flags: + * + * broadcast packet RX: 0x00000005 + * last buf: 0x00000c05 + * overrun: 0x00000c00 + * unicast packet RX: 0x00000005 + * bad CRC received: 0x00000005 + * + * clearing 0x00000004 -> clears 0x00000001 + * clearing 0x00000400 -> clears 0x00000800 + * + * --> 0x0801 are probably some sort of summary bits. + * + * TX interrupt flags: + * + * broadcast packet in 1 buf: xcause: 0x00000001 (cause 0x00080000) + * into disconn. link: " " + * + * in some cases, I observed xcause: 0x00000101 (reason for 0x100 unknown + * but the linux driver accepts it also). + * + * + * Here a few more ugly things about this piece of hardware I learned + * (painfully, painfully; spending many many hours & nights :-() + * + * a) Especially in the case of 'chained' descriptors, the DMA keeps + * clobbering 'cmd_sts' long after it cleared the OWNership flag!!! + * Only after the whole chain is processed (OWN cleared on the + * last descriptor) it is safe to change cmd_sts. + * However, in the case of hardware snooping I found that the + * last descriptor in chain has its cmd_sts still clobbered *after* + * checking ownership!, I.e., + * if ( ! OWN & cmd_sts ) { + * cmd_sts = 0; + * } + * --> sometimes, cmd_sts is STILL != 0 here + * + * b) Sometimes, the OWNership flag is *not cleared*. + * + * c) Weird things happen if the chip finds a descriptor with 'OWN' + * still set (i.e., not properly loaded), i.e., corrupted packets + * are sent [with OK checksum since the chip calculates it]. + * + * Combine a+b+c and we end up with a real mess. + * + * The fact that the chip doesn't reliably reset OWN and that OTOH, + * it can't be reliably reset by the driver and still, the chip needs + * it for proper communication doesn't make things easy... + * + * Here the basic workarounds: + * + * - In addition to check OWN, the scavenger compares the "currently + * served desc" register to the descriptor it tries to recover and + * ignores OWN if they do not match. Hope this is OK. + * Otherwise, we could scan the list of used descriptors and proceed + * recycling descriptors if we find a !OWNed one behind the target... + * + * - Always keep an empty slot around to mark the end of the list of + * jobs. The driver clears the descriptor ahead when enqueueing a new + * packet. + */ + +#define DRVNAME "mve" +#define MAX_NUM_SLOTS 3 + +#if MV643XXETH_NUM_DRIVER_SLOTS > MAX_NUM_SLOTS +#error "mv643xxeth: only MAX_NUM_SLOTS supported" +#endif + +#ifdef NDEBUG +#error "Driver uses assert() statements with side-effects; MUST NOT define NDEBUG" +#endif + +#ifdef MVETH_DEBUG +#define STATIC +#else +#define STATIC static +#endif + +#define TX_AVAILABLE_RING_SIZE(mp) ((mp)->xbuf_count - (TX_NUM_TAG_SLOTS)) + +/* macros for ring alignment; proper alignment is a hardware req; . */ + +#ifdef ENABLE_HW_SNOOPING + +#define RING_ALIGNMENT 16 +/* rx buffers must be 64-bit aligned (chip requirement) */ +#define RX_BUF_ALIGNMENT 8 + +#else /* ENABLE_HW_SNOOPING */ + +/* Software cache management */ + +#ifndef __PPC__ +#error "Dont' know how to deal with cache on this CPU architecture" +#endif + +/* Ring entries are 32 bytes; coherency-critical chunks are 16 -> software coherency + * management works for cache line sizes of 16 and 32 bytes only. If the line size + * is bigger, the descriptors could be padded... + */ +#if PPC_CACHE_ALIGMENT != 16 && PPC_CACHE_ALIGNMENT != 32 +#error "Cache line size must be 16 or 32" +#else +#define RING_ALIGNMENT PPC_CACHE_ALIGNMENT +#define RX_BUF_ALIGNMENT PPC_CACHE_ALIGNMENT +#endif + +#endif /* ENABLE_HW_SNOOPING */ + + +/* HELPER MACROS */ + +/* Align base to alignment 'a' */ +#define MV643XX_ALIGN(b, a) ((((uint32_t)(b)) + (a)-1) & (~((a)-1))) + +#define NOOP() do {} while(0) + +/* Function like macros */ +#define MV_READ(off) \ + ld_le32((volatile uint32_t *)(BSP_MV64x60_BASE + (off))) +#define MV_WRITE(off, data) \ + st_le32((volatile uint32_t *)(BSP_MV64x60_BASE + (off)), ((unsigned)data)) + + +/* ENET window mapped 1:1 to CPU addresses by our BSP/MotLoad + * -- if this is changed, we should think about caching the 'next' and 'buf' pointers. + */ +#define CPUADDR2ENET(a) ((Dma_addr_t)(a)) +#define ENET2CPUADDR(a) (a) + +#if 1 /* Whether to automatically try to reclaim descriptors when enqueueing new packets */ +#define MVETH_CLEAN_ON_SEND(mp) (BSP_mve_swipe_tx(mp)) +#else +#define MVETH_CLEAN_ON_SEND(mp) (-1) +#endif + +#define NEXT_TXD(d) (d)->next +#define NEXT_RXD(d) (d)->next + +/* REGISTER AND DESCRIPTOR OFFSET AND BIT DEFINITIONS */ + +/* Descriptor Definitions */ +/* Rx descriptor */ +#define RDESC_ERROR (1<< 0) /* Error summary */ + +/* Error code (bit 1&2) is only valid if summary bit is set */ +#define RDESC_CRC_ERROR ( 1) +#define RDESC_OVERRUN_ERROR ( 3) +#define RDESC_MAX_FRAMELENGTH_ERROR ( 5) +#define RDESC_RESOURCE_ERROR ( 7) + +#define RDESC_LAST (1<<26) /* Last Descriptor */ +#define RDESC_FRST (1<<27) /* First Descriptor */ +#define RDESC_INT_ENA (1<<29) /* Enable Interrupts */ +#define RDESC_DMA_OWNED (1<<31) + +/* Tx descriptor */ +#define TDESC_ERROR (1<< 0) /* Error summary */ +#define TDESC_ZERO_PAD (1<<19) +#define TDESC_LAST (1<<20) /* Last Descriptor */ +#define TDESC_FRST (1<<21) /* First Descriptor */ +#define TDESC_GEN_CRC (1<<22) +#define TDESC_INT_ENA (1<<23) /* Enable Interrupts */ +#define TDESC_DMA_OWNED (1<<31) + + + +/* Register Definitions */ +#define MV643XX_ETH_PHY_ADDR_R (0x2000) +#define MV643XX_ETH_SMI_R (0x2004) +#define MV643XX_ETH_SMI_BUSY (1<<28) +#define MV643XX_ETH_SMI_VALID (1<<27) +#define MV643XX_ETH_SMI_OP_WR (0<<26) +#define MV643XX_ETH_SMI_OP_RD (1<<26) + +#define MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(port) (0x2448 + ((port)<<10)) +#define MV643XX_ETH_TX_START(queue) (0x0001<<(queue)) +#define MV643XX_ETH_TX_STOP(queue) (0x0100<<(queue)) +#define MV643XX_ETH_TX_START_M(queues) ((queues)&0xff) +#define MV643XX_ETH_TX_STOP_M(queues) (((queues)&0xff)<<8) +#define MV643XX_ETH_TX_STOP_ALL (0xff00) +#define MV643XX_ETH_TX_ANY_RUNNING (0x00ff) + +#define MV643XX_ETH_RECEIVE_QUEUE_COMMAND_R(port) (0x2680 + ((port)<<10)) +#define MV643XX_ETH_RX_START(queue) (0x0001<<(queue)) +#define MV643XX_ETH_RX_STOP(queue) (0x0100<<(queue)) +#define MV643XX_ETH_RX_STOP_ALL (0xff00) +#define MV643XX_ETH_RX_ANY_RUNNING (0x00ff) + +#define MV643XX_ETH_CURRENT_SERVED_TX_DESC(port) (0x2684 + ((port)<<10)) + +/* The chip puts the ethernet header at offset 2 into the buffer so + * that the payload is aligned + */ +#define ETH_RX_OFFSET 2 +#define ETH_CRC_LEN 4 /* strip FCS at end of packet */ + + +#define MV643XX_ETH_INTERRUPT_CAUSE_R(port) (0x2460 + ((port)<<10)) +/* not fully understood; RX seems to raise 0x0005 or 0x0c05 if last buffer is filled and 0x0c00 + * if there are no buffers + */ +#define MV643XX_ETH_ALL_IRQS (0x07ffffff) +#define MV643XX_ETH_KNOWN_IRQS (0x00080c07) +#define MV643XX_ETH_IRQ_EXT_ENA (1<<1) +/* defined in public header +#define MV643XX_ETH_IRQ_RX_DONE (1<<2) + */ +#define MV643XX_ETH_IRQ_RX_NO_DESC (1<<10) +#define MV643XX_ETH_TX_Q_N_END(n) (1<<((n)+19)) +/* We just use queue 0 */ +#define MV643XX_ETH_TX_Q_END MV643XX_ETH_TX_Q_N_END(0) + +#define MV643XX_ETH_INTERRUPT_EXTEND_CAUSE_R(port) (0x2464 + ((port)<<10)) +/* not fully understood; TX seems to raise 0x0001 and link change is 0x00010000 + * if there are no buffers + */ +#define MV643XX_ETH_ALL_EXT_IRQS (0x0011ffff) +/* Recent (2013) linux driver mentions both bits 0x00110000 as 'link change' causes */ +#define MV643XX_ETH_KNOWN_EXT_IRQS (0x00110101) +/* TX queues 0..7 */ +#define MV643XX_ETH_EXT_IRQ_TXN_DONE(n) (1<<(n)) +/* We just use queue 0 */ +/* defined in public header +#define MV643XX_ETH_EXT_IRQ_TX_DONE MV643XX_ETH_EXT_IRQ_TXN_DONE(0) +#define MV643XX_ETH_EXT_IRQ_LINK_CHG (1<<16) + */ +#define MV643XX_ETH_INTERRUPT_ENBL_R(port) (0x2468 + ((port)<<10)) +#define MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(port) (0x246c + ((port)<<10)) + +/* port configuration */ +#define MV643XX_ETH_PORT_CONFIG_R(port) (0x2400 + ((port)<<10)) +#define MV643XX_ETH_UNICAST_PROMISC_MODE (1<<0) +#define MV643XX_ETH_DFLT_RX_Q(q) ((q)<<1) +#define MV643XX_ETH_DFLT_RX_ARP_Q(q) ((q)<<4) +#define MV643XX_ETH_REJ_BCAST_IF_NOT_IP_OR_ARP (1<<7) +#define MV643XX_ETH_REJ_BCAST_IF_IP (1<<8) +#define MV643XX_ETH_REJ_BCAST_IF_ARP (1<<9) +#define MV643XX_ETH_TX_AM_NO_UPDATE_ERR_SUMMARY (1<<12) +#define MV643XX_ETH_CAPTURE_TCP_FRAMES_ENBL (1<<14) +#define MV643XX_ETH_CAPTURE_UDP_FRAMES_ENBL (1<<15) +#define MV643XX_ETH_DFLT_RX_TCP_Q(q) ((q)<<16) +#define MV643XX_ETH_DFLT_RX_UDP_Q(q) ((q)<<19) +#define MV643XX_ETH_DFLT_RX_BPDU_Q(q) ((q)<<22) + + + +#define MV643XX_ETH_PORT_CONFIG_XTEND_R(port) (0x2404 + ((port)<<10)) +#define MV643XX_ETH_CLASSIFY_ENBL (1<<0) +#define MV643XX_ETH_SPAN_BPDU_PACKETS_AS_NORMAL (0<<1) +#define MV643XX_ETH_SPAN_BPDU_PACKETS_2_Q7 (1<<1) +#define MV643XX_ETH_PARTITION_DISBL (0<<2) +#define MV643XX_ETH_PARTITION_ENBL (1<<2) + +#define MV643XX_ETH_SDMA_CONFIG_R(port) (0x241c + ((port)<<10)) +#define MV643XX_ETH_SDMA_RIFB (1<<0) +#define MV643XX_ETH_RX_BURST_SZ_1_64BIT (0<<1) +#define MV643XX_ETH_RX_BURST_SZ_2_64BIT (1<<1) +#define MV643XX_ETH_RX_BURST_SZ_4_64BIT (2<<1) +#define MV643XX_ETH_RX_BURST_SZ_8_64BIT (3<<1) +#define MV643XX_ETH_RX_BURST_SZ_16_64BIT (4<<1) +#define MV643XX_ETH_SMDA_BLM_RX_NO_SWAP (1<<4) +#define MV643XX_ETH_SMDA_BLM_TX_NO_SWAP (1<<5) +#define MV643XX_ETH_SMDA_DESC_BYTE_SWAP (1<<6) +#define MV643XX_ETH_TX_BURST_SZ_1_64BIT (0<<22) +#define MV643XX_ETH_TX_BURST_SZ_2_64BIT (1<<22) +#define MV643XX_ETH_TX_BURST_SZ_4_64BIT (2<<22) +#define MV643XX_ETH_TX_BURST_SZ_8_64BIT (3<<22) +#define MV643XX_ETH_TX_BURST_SZ_16_64BIT (4<<22) + +#define MV643XX_ETH_RX_MIN_FRAME_SIZE_R(port) (0x247c + ((port)<<10)) + + +#define MV643XX_ETH_SERIAL_CONTROL_R(port) (0x243c + ((port)<<10)) +#define MV643XX_ETH_SERIAL_PORT_ENBL (1<<0) /* Enable serial port */ +#define MV643XX_ETH_FORCE_LINK_PASS (1<<1) +#define MV643XX_ETH_DISABLE_AUTO_NEG_FOR_DUPLEX (1<<2) +#define MV643XX_ETH_DISABLE_AUTO_NEG_FOR_FLOWCTL (1<<3) +#define MV643XX_ETH_ADVERTISE_SYMMETRIC_FLOWCTL (1<<4) +#define MV643XX_ETH_FORCE_FC_MODE_TX_PAUSE_DIS (1<<5) +#define MV643XX_ETH_FORCE_BP_MODE_JAM_TX (1<<7) +#define MV643XX_ETH_FORCE_BP_MODE_JAM_TX_ON_RX_ERR (1<<8) +#define MV643XX_ETH_BIT9_UNKNOWN (1<<9) /* unknown purpose; linux sets this */ +#define MV643XX_ETH_FORCE_LINK_FAIL_DISABLE (1<<10) +#define MV643XX_ETH_RETRANSMIT_FOREVER (1<<11) /* limit to 16 attempts if clear */ +#define MV643XX_ETH_DISABLE_AUTO_NEG_SPEED_GMII (1<<13) +#define MV643XX_ETH_DTE_ADV_1 (1<<14) +#define MV643XX_ETH_AUTO_NEG_BYPASS_ENBL (1<<15) +#define MV643XX_ETH_RESTART_AUTO_NEG (1<<16) +#define MV643XX_ETH_SC_MAX_RX_1518 (0<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_1522 (1<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_1552 (2<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_9022 (3<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_9192 (4<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_9700 (5<<17) /* Limit RX packet size */ +#define MV643XX_ETH_SC_MAX_RX_MASK (7<<17) /* bitmask */ +#define MV643XX_ETH_SET_EXT_LOOPBACK (1<<20) +#define MV643XX_ETH_SET_FULL_DUPLEX (1<<21) +#define MV643XX_ETH_ENBL_FLOWCTL_TX_RX_IN_FD (1<<22) /* enable flow ctrl on rx and tx in full-duplex */ +#define MV643XX_ETH_SET_GMII_SPEED_1000 (1<<23) /* 10/100 if clear */ +#define MV643XX_ETH_SET_MII_SPEED_100 (1<<24) /* 10 if clear */ + +#define MV643XX_ETH_PORT_STATUS_R(port) (0x2444 + ((port)<<10)) + +#define MV643XX_ETH_PORT_STATUS_MODE_10_BIT (1<<0) +#define MV643XX_ETH_PORT_STATUS_LINK_UP (1<<1) +#define MV643XX_ETH_PORT_STATUS_FDX (1<<2) +#define MV643XX_ETH_PORT_STATUS_FC (1<<3) +#define MV643XX_ETH_PORT_STATUS_1000 (1<<4) +#define MV643XX_ETH_PORT_STATUS_100 (1<<5) +/* PSR bit 6 unknown */ +#define MV643XX_ETH_PORT_STATUS_TX_IN_PROGRESS (1<<7) +#define MV643XX_ETH_PORT_STATUS_ANEG_BYPASSED (1<<8) +#define MV643XX_ETH_PORT_STATUS_PARTITION (1<<9) +#define MV643XX_ETH_PORT_STATUS_TX_FIFO_EMPTY (1<<10) + +#define MV643XX_ETH_MIB_COUNTERS(port) (0x3000 + ((port)<<7)) +#define MV643XX_ETH_NUM_MIB_COUNTERS 32 + +#define MV643XX_ETH_MIB_GOOD_OCTS_RCVD_LO (0) +#define MV643XX_ETH_MIB_GOOD_OCTS_RCVD_HI (1<<2) +#define MV643XX_ETH_MIB_BAD_OCTS_RCVD (2<<2) +#define MV643XX_ETH_MIB_INTERNAL_MAC_TX_ERR (3<<2) +#define MV643XX_ETH_MIB_GOOD_FRAMES_RCVD (4<<2) +#define MV643XX_ETH_MIB_BAD_FRAMES_RCVD (5<<2) +#define MV643XX_ETH_MIB_BCAST_FRAMES_RCVD (6<<2) +#define MV643XX_ETH_MIB_MCAST_FRAMES_RCVD (7<<2) +#define MV643XX_ETH_MIB_FRAMES_64_OCTS (8<<2) +#define MV643XX_ETH_MIB_FRAMES_65_127_OCTS (9<<2) +#define MV643XX_ETH_MIB_FRAMES_128_255_OCTS (10<<2) +#define MV643XX_ETH_MIB_FRAMES_256_511_OCTS (11<<2) +#define MV643XX_ETH_MIB_FRAMES_512_1023_OCTS (12<<2) +#define MV643XX_ETH_MIB_FRAMES_1024_MAX_OCTS (13<<2) +#define MV643XX_ETH_MIB_GOOD_OCTS_SENT_LO (14<<2) +#define MV643XX_ETH_MIB_GOOD_OCTS_SENT_HI (15<<2) +#define MV643XX_ETH_MIB_GOOD_FRAMES_SENT (16<<2) +#define MV643XX_ETH_MIB_EXCESSIVE_COLL (17<<2) +#define MV643XX_ETH_MIB_MCAST_FRAMES_SENT (18<<2) +#define MV643XX_ETH_MIB_BCAST_FRAMES_SENT (19<<2) +#define MV643XX_ETH_MIB_UNREC_MAC_CTRL_RCVD (20<<2) +#define MV643XX_ETH_MIB_FC_SENT (21<<2) +#define MV643XX_ETH_MIB_GOOD_FC_RCVD (22<<2) +#define MV643XX_ETH_MIB_BAD_FC_RCVD (23<<2) +#define MV643XX_ETH_MIB_UNDERSIZE_RCVD (24<<2) +#define MV643XX_ETH_MIB_FRAGMENTS_RCVD (25<<2) +#define MV643XX_ETH_MIB_OVERSIZE_RCVD (26<<2) +#define MV643XX_ETH_MIB_JABBER_RCVD (27<<2) +#define MV643XX_ETH_MIB_MAC_RX_ERR (28<<2) +#define MV643XX_ETH_MIB_BAD_CRC_EVENT (29<<2) +#define MV643XX_ETH_MIB_COLL (30<<2) +#define MV643XX_ETH_MIB_LATE_COLL (31<<2) + +#define MV643XX_ETH_DA_FILTER_SPECL_MCAST_TBL(port) (0x3400+((port)<<10)) +#define MV643XX_ETH_DA_FILTER_OTHER_MCAST_TBL(port) (0x3500+((port)<<10)) +#define MV643XX_ETH_DA_FILTER_UNICAST_TBL(port) (0x3600+((port)<<10)) +#define MV643XX_ETH_NUM_MCAST_ENTRIES 64 +#define MV643XX_ETH_NUM_UNICAST_ENTRIES 4 + +#define MV643XX_ETH_BAR_0 (0x2200) +#define MV643XX_ETH_SIZE_R_0 (0x2204) +#define MV643XX_ETH_BAR_1 (0x2208) +#define MV643XX_ETH_SIZE_R_1 (0x220c) +#define MV643XX_ETH_BAR_2 (0x2210) +#define MV643XX_ETH_SIZE_R_2 (0x2214) +#define MV643XX_ETH_BAR_3 (0x2218) +#define MV643XX_ETH_SIZE_R_3 (0x221c) +#define MV643XX_ETH_BAR_4 (0x2220) +#define MV643XX_ETH_SIZE_R_4 (0x2224) +#define MV643XX_ETH_BAR_5 (0x2228) +#define MV643XX_ETH_SIZE_R_5 (0x222c) +#define MV643XX_ETH_NUM_BARS 6 + +/* Bits in the BAR reg to program cache snooping */ +#define MV64360_ENET2MEM_SNOOP_NONE 0x0000 +#define MV64360_ENET2MEM_SNOOP_WT 0x1000 +#define MV64360_ENET2MEM_SNOOP_WB 0x2000 +#define MV64360_ENET2MEM_SNOOP_MSK 0x3000 + + +#define MV643XX_ETH_BAR_ENBL_R (0x2290) +#define MV643XX_ETH_BAR_DISABLE(bar) (1<<(bar)) +#define MV643XX_ETH_BAR_DISBL_ALL 0x3f + +#define MV643XX_ETH_RX_Q0_CURRENT_DESC_PTR(port) (0x260c+((port)<<10)) +#define MV643XX_ETH_RX_Q1_CURRENT_DESC_PTR(port) (0x261c+((port)<<10)) +#define MV643XX_ETH_RX_Q2_CURRENT_DESC_PTR(port) (0x262c+((port)<<10)) +#define MV643XX_ETH_RX_Q3_CURRENT_DESC_PTR(port) (0x263c+((port)<<10)) +#define MV643XX_ETH_RX_Q4_CURRENT_DESC_PTR(port) (0x264c+((port)<<10)) +#define MV643XX_ETH_RX_Q5_CURRENT_DESC_PTR(port) (0x265c+((port)<<10)) +#define MV643XX_ETH_RX_Q6_CURRENT_DESC_PTR(port) (0x266c+((port)<<10)) +#define MV643XX_ETH_RX_Q7_CURRENT_DESC_PTR(port) (0x267c+((port)<<10)) + +#define MV643XX_ETH_TX_Q0_CURRENT_DESC_PTR(port) (0x26c0+((port)<<10)) +#define MV643XX_ETH_TX_Q1_CURRENT_DESC_PTR(port) (0x26c4+((port)<<10)) +#define MV643XX_ETH_TX_Q2_CURRENT_DESC_PTR(port) (0x26c8+((port)<<10)) +#define MV643XX_ETH_TX_Q3_CURRENT_DESC_PTR(port) (0x26cc+((port)<<10)) +#define MV643XX_ETH_TX_Q4_CURRENT_DESC_PTR(port) (0x26d0+((port)<<10)) +#define MV643XX_ETH_TX_Q5_CURRENT_DESC_PTR(port) (0x26d4+((port)<<10)) +#define MV643XX_ETH_TX_Q6_CURRENT_DESC_PTR(port) (0x26d8+((port)<<10)) +#define MV643XX_ETH_TX_Q7_CURRENT_DESC_PTR(port) (0x26dc+((port)<<10)) + +#define MV643XX_ETH_MAC_ADDR_LO(port) (0x2414+((port)<<10)) +#define MV643XX_ETH_MAC_ADDR_HI(port) (0x2418+((port)<<10)) + +/* TYPE DEFINITIONS */ + +/* just to make the purpose explicit; vars of this + * type may need CPU-dependent address translation, + * endian conversion etc. + */ +typedef uint32_t Dma_addr_t; + +typedef volatile struct mveth_rx_desc { +#ifndef __BIG_ENDIAN__ +#error "descriptor declaration not implemented for little endian machines" +#endif + uint16_t byte_cnt; + uint16_t buf_size; + uint32_t cmd_sts; /* control and status */ + Dma_addr_t next_desc_ptr; /* next descriptor (as seen from DMA) */ + Dma_addr_t buf_ptr; + /* fields below here are not used by the chip */ + void *u_buf; /* user buffer */ + volatile struct mveth_rx_desc *next; /* next descriptor (CPU address; next_desc_ptr is a DMA address) */ + uint32_t pad[2]; +} __attribute__(( aligned(RING_ALIGNMENT) )) MvEthRxDescRec, *MvEthRxDesc; + +typedef volatile struct mveth_tx_desc { +#ifndef __BIG_ENDIAN__ +#error "descriptor declaration not implemented for little endian machines" +#endif + uint16_t byte_cnt; + uint16_t l4i_chk; + uint32_t cmd_sts; /* control and status */ + Dma_addr_t next_desc_ptr; /* next descriptor (as seen from DMA) */ + Dma_addr_t buf_ptr; + /* fields below here are not used by the chip */ + uint32_t workaround[2]; /* use this space to work around the 8byte problem (is this real?) */ + void *u_buf; /* user buffer */ + volatile struct mveth_tx_desc *next; /* next descriptor (CPU address; next_desc_ptr is a DMA address) */ +} __attribute__(( aligned(RING_ALIGNMENT) )) MvEthTxDescRec, *MvEthTxDesc; + +/* Assume there are never more then 64k aliasing entries */ +typedef uint16_t Mc_Refcnt[MV643XX_ETH_NUM_MCAST_ENTRIES*4]; + +/* driver private data and bsdnet interface structure */ +struct mveth_private { + MvEthRxDesc rx_ring; /* pointers to aligned ring area */ + MvEthTxDesc tx_ring; /* pointers to aligned ring area */ + MvEthRxDesc ring_area; /* allocated ring area */ + int rbuf_count, xbuf_count; /* saved ring sizes from ifconfig */ + int port_num; + int phy; + MvEthRxDesc d_rx_t; /* tail of the RX ring; next received packet */ + MvEthTxDesc d_tx_t, d_tx_h; + uint32_t rx_desc_dma, tx_desc_dma; /* ring address as seen by DMA; (1:1 on this BSP) */ + int avail; + void (*isr)(void*); + void *isr_arg; + /* Callbacks to handle buffers */ + void (*cleanup_txbuf)(void*, void*, int); /* callback to cleanup TX buffer */ + void *cleanup_txbuf_arg; + void *(*alloc_rxbuf)(int *psize, uintptr_t *paddr); /* allocate RX buffer */ + void (*consume_rxbuf)(void*, void*, int); /* callback to consume RX buffer */ + void *consume_rxbuf_arg; + rtems_id tid; + uint32_t irq_mask; /* IRQs we use */ + uint32_t xirq_mask; + int promisc; + struct { + unsigned irqs; + unsigned maxchain; + unsigned repack; + unsigned packet; + unsigned idrops; /* no counter in core code */ + struct { + uint64_t good_octs_rcvd; /* 64-bit */ + uint32_t bad_octs_rcvd; + uint32_t internal_mac_tx_err; + uint32_t good_frames_rcvd; + uint32_t bad_frames_rcvd; + uint32_t bcast_frames_rcvd; + uint32_t mcast_frames_rcvd; + uint32_t frames_64_octs; + uint32_t frames_65_127_octs; + uint32_t frames_128_255_octs; + uint32_t frames_256_511_octs; + uint32_t frames_512_1023_octs; + uint32_t frames_1024_max_octs; + uint64_t good_octs_sent; /* 64-bit */ + uint32_t good_frames_sent; + uint32_t excessive_coll; + uint32_t mcast_frames_sent; + uint32_t bcast_frames_sent; + uint32_t unrec_mac_ctrl_rcvd; + uint32_t fc_sent; + uint32_t good_fc_rcvd; + uint32_t bad_fc_rcvd; + uint32_t undersize_rcvd; + uint32_t fragments_rcvd; + uint32_t oversize_rcvd; + uint32_t jabber_rcvd; + uint32_t mac_rx_err; + uint32_t bad_crc_event; + uint32_t coll; + uint32_t late_coll; + } mib; + } stats; + struct { + Mc_Refcnt specl, other; + } mc_refcnt; +}; + +/* GLOBAL VARIABLES */ + +/* Format strings for statistics messages */ +static const char *mibfmt[] = { + " GOOD_OCTS_RCVD: %"PRIu64"\n", + 0, + " BAD_OCTS_RCVD: %"PRIu32"\n", + " INTERNAL_MAC_TX_ERR: %"PRIu32"\n", + " GOOD_FRAMES_RCVD: %"PRIu32"\n", + " BAD_FRAMES_RCVD: %"PRIu32"\n", + " BCAST_FRAMES_RCVD: %"PRIu32"\n", + " MCAST_FRAMES_RCVD: %"PRIu32"\n", + " FRAMES_64_OCTS: %"PRIu32"\n", + " FRAMES_65_127_OCTS: %"PRIu32"\n", + " FRAMES_128_255_OCTS: %"PRIu32"\n", + " FRAMES_256_511_OCTS: %"PRIu32"\n", + " FRAMES_512_1023_OCTS:%"PRIu32"\n", + " FRAMES_1024_MAX_OCTS:%"PRIu32"\n", + " GOOD_OCTS_SENT: %"PRIu64"\n", + 0, + " GOOD_FRAMES_SENT: %"PRIu32"\n", + " EXCESSIVE_COLL: %"PRIu32"\n", + " MCAST_FRAMES_SENT: %"PRIu32"\n", + " BCAST_FRAMES_SENT: %"PRIu32"\n", + " UNREC_MAC_CTRL_RCVD: %"PRIu32"\n", + " FC_SENT: %"PRIu32"\n", + " GOOD_FC_RCVD: %"PRIu32"\n", + " BAD_FC_RCVD: %"PRIu32"\n", + " UNDERSIZE_RCVD: %"PRIu32"\n", + " FRAGMENTS_RCVD: %"PRIu32"\n", + " OVERSIZE_RCVD: %"PRIu32"\n", + " JABBER_RCVD: %"PRIu32"\n", + " MAC_RX_ERR: %"PRIu32"\n", + " BAD_CRC_EVENT: %"PRIu32"\n", + " COLL: %"PRIu32"\n", + " LATE_COLL: %"PRIu32"\n", +}; + +/* Interrupt Handler Connection */ + +/* forward decls + implementation for IRQ API funcs */ + +STATIC int +mveth_init_rx_desc_ring(struct mveth_private *mp); + +STATIC int +mveth_init_tx_desc_ring(struct mveth_private *mp); + +int +BSP_mve_dring_nonsync(struct mveth_private *mp); + +static void mveth_isr(rtems_irq_hdl_param unit); +static void noop(const rtems_irq_connect_data *unused) {} +static int noop1(const rtems_irq_connect_data *unused) { return 0; } + +static rtems_irq_connect_data irq_data[MAX_NUM_SLOTS] = { + { + BSP_IRQ_ETH0, + 0, + (rtems_irq_hdl_param)0, + noop, + noop, + noop1 + }, + { + BSP_IRQ_ETH1, + 0, + (rtems_irq_hdl_param)1, + noop, + noop, + noop1 + }, + { + BSP_IRQ_ETH2, + 0, + (rtems_irq_hdl_param)2, + noop, + noop, + noop1 + }, +}; + +/* LOW LEVEL SUPPORT ROUTINES */ + +/* Software Cache Coherency */ +#ifndef ENABLE_HW_SNOOPING +#ifndef __PPC__ +#error "Software cache coherency maintenance is not implemented for your CPU architecture" +#endif + +static inline unsigned INVAL_DESC(volatile void *d) +{ +typedef const char cache_line[PPC_CACHE_ALIGNMENT]; + asm volatile("dcbi 0, %1":"=m"(*(cache_line*)d):"r"(d)); + return (unsigned)d; /* so this can be used in comma expression */ +} + +static inline void FLUSH_DESC(volatile void *d) +{ +typedef const char cache_line[PPC_CACHE_ALIGNMENT]; + asm volatile("dcbf 0, %0"::"r"(d),"m"(*(cache_line*)d)); +} + +static inline void FLUSH_BARRIER(void) +{ + asm volatile("eieio"); +} + +/* RX buffers are always cache-line aligned + * ASSUMPTIONS: + * - 'addr' is cache aligned + * - len is a multiple >0 of cache lines + */ +static inline void INVAL_BUF(register uintptr_t addr, register int len) +{ +typedef char maxbuf[2048]; /* more than an ethernet packet */ + do { + len -= RX_BUF_ALIGNMENT; + asm volatile("dcbi %0, %1"::"b"(addr),"r"(len)); + } while (len > 0); + asm volatile("":"=m"(*(maxbuf*)addr)); +} + +/* Flushing TX buffers is a little bit trickier; we don't really know their + * alignment but *assume* adjacent addresses are covering 'ordinary' memory + * so that flushing them does no harm! + */ +static inline void FLUSH_BUF(register uintptr_t addr, register int len) +{ + asm volatile("":::"memory"); + len = MV643XX_ALIGN(len, RX_BUF_ALIGNMENT); + do { + asm volatile("dcbf %0, %1"::"b"(addr),"r"(len)); + len -= RX_BUF_ALIGNMENT; + } while ( len >= 0 ); +} + +#else /* hardware snooping enabled */ + +/* inline this to silence compiler warnings */ +static inline int INVAL_DESC(volatile void *d) +{ return 0; } + +#define FLUSH_DESC(d) NOOP() +#define INVAL_BUF(b,l) NOOP() +#define FLUSH_BUF(b,l) NOOP() +#define FLUSH_BARRIER() NOOP() + +#endif /* cache coherency support */ + +/* Synchronize memory access */ +#ifdef __PPC__ +static inline void membarrier(void) +{ + asm volatile("sync":::"memory"); +} +#else +#error "memory barrier instruction not defined (yet) for this CPU" +#endif + +/* Enable and disable interrupts at the device */ +static inline void +mveth_enable_irqs(struct mveth_private *mp, uint32_t mask) +{ +rtems_interrupt_level l; +uint32_t val; + rtems_interrupt_disable(l); + + val = MV_READ(MV643XX_ETH_INTERRUPT_ENBL_R(mp->port_num)); + val = (val | mask | MV643XX_ETH_IRQ_EXT_ENA) & mp->irq_mask; + + MV_WRITE(MV643XX_ETH_INTERRUPT_ENBL_R(mp->port_num), val); + + val = MV_READ(MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(mp->port_num)); + val = (val | mask) & mp->xirq_mask; + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(mp->port_num), val); + + rtems_interrupt_enable(l); +} + +static inline uint32_t +mveth_disable_irqs(struct mveth_private *mp, uint32_t mask) +{ +rtems_interrupt_level l; +uint32_t val,xval,tmp; + rtems_interrupt_disable(l); + + val = MV_READ(MV643XX_ETH_INTERRUPT_ENBL_R(mp->port_num)); + tmp = ( (val & ~mask) | MV643XX_ETH_IRQ_EXT_ENA ) & mp->irq_mask; + MV_WRITE(MV643XX_ETH_INTERRUPT_ENBL_R(mp->port_num), tmp); + + xval = MV_READ(MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(mp->port_num)); + tmp = (xval & ~mask) & mp->xirq_mask; + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(mp->port_num), tmp); + + rtems_interrupt_enable(l); + + return (val | xval); +} + +/* This should be safe even w/o turning off interrupts if multiple + * threads ack different bits in the cause register (and ignore + * other ones) since writing 'ones' into the cause register doesn't + * 'stick'. + */ + +static inline uint32_t +mveth_ack_irqs(struct mveth_private *mp, uint32_t mask) +{ +register uint32_t x,xe,p; +register uint32_t rval; + + p = mp->port_num; + /* Get cause */ + x = MV_READ(MV643XX_ETH_INTERRUPT_CAUSE_R(p)); + + /* Ack interrupts filtering the ones we're interested in */ + + /* Note: EXT_IRQ bit clears by itself if EXT interrupts are cleared */ + MV_WRITE(MV643XX_ETH_INTERRUPT_CAUSE_R(p), ~ (x & mp->irq_mask & mask)); + + /* linux driver tests 1<<1 as a summary bit for extended interrupts; + * the mv64360 seems to use 1<<19 for that purpose; for the moment, + * I just check both. + * Update: link status irq (1<<16 in xe) doesn't set (1<<19) in x! + */ + if ( 1 /* x & 2 */ ) + { + xe = MV_READ(MV643XX_ETH_INTERRUPT_EXTEND_CAUSE_R(p)); + + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_CAUSE_R(p), ~ (xe & mp->xirq_mask & mask)); + } else { + xe = 0; + } +#ifdef MVETH_TESTING + if ( ((x & MV643XX_ETH_ALL_IRQS) & ~MV643XX_ETH_KNOWN_IRQS) + || ((xe & MV643XX_ETH_ALL_EXT_IRQS) & ~MV643XX_ETH_KNOWN_EXT_IRQS) ) { + fprintf(stderr, "Unknown IRQs detected; leaving all disabled for debugging:\n"); + fprintf(stderr, "Cause reg was 0x%08x, ext cause 0x%08x\n", x, xe); +/* + mp->irq_mask = 0; + mp->xirq_mask = 0; +*/ + } +#endif + /* luckily, the extended and 'normal' interrupts we use don't overlap so + * we can just OR them into a single word + */ + rval = (xe & mp->xirq_mask) | (x & mp->irq_mask); + +#ifdef MVETH_DEBUG + printk(DRVNAME"%i: mveth_ack_irqs 0x%08x\n", rval); +#endif + return rval; +} + +static void mveth_isr(rtems_irq_hdl_param arg) +{ +struct mveth_private *mp = (struct mveth_private*) arg; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mveth_isr\n"); +#endif + mp->stats.irqs++; + mp->isr(mp->isr_arg); +} + +static void +mveth_clear_mib_counters(struct mveth_private *mp) +{ +register int i; +register uint32_t b; + /* reading the counters resets them */ + b = MV643XX_ETH_MIB_COUNTERS(mp->port_num); + for (i=0; i< MV643XX_ETH_NUM_MIB_COUNTERS; i++, b+=4) + (void)MV_READ(b); +} + +/* Reading a MIB register also clears it. Hence we read the lo + * register first, then the hi one. Correct reading is guaranteed since + * the 'lo' register cannot overflow after it is read since it had + * been reset to 0. + */ +static unsigned long long +read_long_mib_counter(int port_num, int idx) +{ +unsigned long lo; +unsigned long long hi; + lo = MV_READ(MV643XX_ETH_MIB_COUNTERS(port_num)+(idx<<2)); + idx++; + hi = MV_READ(MV643XX_ETH_MIB_COUNTERS(port_num)+(idx<<2)); + return (hi<<32) | lo; +} + +static inline unsigned long +read_mib_counter(int port_num, int idx) +{ + return MV_READ(MV643XX_ETH_MIB_COUNTERS(port_num)+(idx<<2)); +} + + +/* write ethernet address from buffer to hardware (need to change unicast filter after this) */ +static void +mveth_write_eaddr(struct mveth_private *mp, unsigned char *eaddr) +{ +int i; +uint32_t x; + + /* build hi word */ + for (i=4,x=0; i; i--, eaddr++) { + x = (x<<8) | *eaddr; + } + MV_WRITE(MV643XX_ETH_MAC_ADDR_HI(mp->port_num), x); + + /* build lo word */ + for (i=2,x=0; i; i--, eaddr++) { + x = (x<<8) | *eaddr; + } + MV_WRITE(MV643XX_ETH_MAC_ADDR_LO(mp->port_num), x); +} + +static inline int +port2phy(int port) +{ + port &= 0x1f; + /* during early init we may not know the phy and we are given a port number instead! */ + return ( (MV_READ(MV643XX_ETH_PHY_ADDR_R) >> (5*port)) & 0x1f ); +} + +/* PHY/MII Interface + * + * Read/write a PHY register; + * + * NOTE: The SMI register is shared among the three devices. + * Protection is provided by the global networking semaphore. + * If non-bsd drivers are running on a subset of IFs proper + * locking of all shared registers must be implemented! + */ +static unsigned +do_mii_read(int phy, unsigned addr) +{ +unsigned v; +unsigned wc = 0; + + addr &= 0x1f; + + /* wait until not busy */ + do { + v = MV_READ(MV643XX_ETH_SMI_R); + wc++; + } while ( MV643XX_ETH_SMI_BUSY & v ); + + MV_WRITE(MV643XX_ETH_SMI_R, (addr <<21 ) | (phy<<16) | MV643XX_ETH_SMI_OP_RD ); + + do { + v = MV_READ(MV643XX_ETH_SMI_R); + wc++; + } while ( MV643XX_ETH_SMI_BUSY & v ); + + if (wc>0xffff) + wc = 0xffff; + return (wc<<16) | (v & 0xffff); +} + +unsigned +BSP_mve_mii_read(struct mveth_private *mp, unsigned addr) +{ +unsigned rval = do_mii_read(mp->phy, addr); +#ifdef MVETH_DEBUG + printk(DRVNAME": BSP_mve_mii_read(%d): 0x%08x\n", addr, rval); +#endif + return rval; +} + +unsigned +BSP_mve_mii_read_early(int port, unsigned addr) +{ + return do_mii_read(port2phy(port), addr); +} + +static unsigned +do_mii_write(int phy, unsigned addr, unsigned v) +{ +unsigned wc = 0; + + addr &= 0x1f; + v &= 0xffff; + + /* busywait is ugly but not preventing ISRs or high priority tasks from + * preempting us + */ + + /* wait until not busy */ + while ( MV643XX_ETH_SMI_BUSY & MV_READ(MV643XX_ETH_SMI_R) ) + wc++ /* wait */; + + MV_WRITE(MV643XX_ETH_SMI_R, (addr <<21 ) | (phy<<16) | MV643XX_ETH_SMI_OP_WR | v ); + + return wc; +} + +unsigned +BSP_mve_mii_write(struct mveth_private *mp, unsigned addr, unsigned v) +{ +#ifdef MVETH_DEBUG + printk(DRVNAME": BSP_mve_mii_write(%d): 0x%08x\n", addr, v); +#endif + return do_mii_write( mp->phy, addr, v ); +} + +unsigned +BSP_mve_mii_write_early(int port, unsigned addr, unsigned v) +{ + return do_mii_write(port2phy(port), addr, v); +} + + +/* MID-LAYER SUPPORT ROUTINES */ + +/* Start TX if descriptors are exhausted */ +static __inline__ void +mveth_start_tx(struct mveth_private *mp) +{ +uint32_t running; + if ( mp->avail <= 0 ) { + running = MV_READ(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(mp->port_num)); + if ( ! (running & MV643XX_ETH_TX_START(0)) ) { + MV_WRITE(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_TX_START(0)); + } + } +} + +/* Stop TX and wait for the command queues to stop and the fifo to drain */ +static uint32_t +mveth_stop_tx(int port) +{ +uint32_t active_q; + + active_q = (MV_READ(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(port)) & MV643XX_ETH_TX_ANY_RUNNING); + + if ( active_q ) { + /* Halt TX and wait for activity to stop */ + MV_WRITE(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(port), MV643XX_ETH_TX_STOP_ALL); + while ( MV643XX_ETH_TX_ANY_RUNNING & MV_READ(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(port)) ) + /* poll-wait */; + /* Wait for Tx FIFO to drain */ + while ( ! (MV643XX_ETH_PORT_STATUS_R(port) & MV643XX_ETH_PORT_STATUS_TX_FIFO_EMPTY) ) + /* poll-wait */; + } + + return active_q; +} + +void +BSP_mve_promisc_set(struct mveth_private *mp, int promisc) +{ +uint32_t v; + + v = MV_READ(MV643XX_ETH_PORT_CONFIG_R(mp->port_num)); + if ( (mp->promisc = promisc) ) + v |= MV643XX_ETH_UNICAST_PROMISC_MODE; + else + v &= ~MV643XX_ETH_UNICAST_PROMISC_MODE; + MV_WRITE(MV643XX_ETH_PORT_CONFIG_R(mp->port_num), v); +} + +/* update serial port settings from current link status */ + +void +BSP_mve_mcast_filter_clear(struct mveth_private *mp) +{ +int i; +register uint32_t s,o; +uint32_t v = mp->promisc ? 0x01010101 : 0x00000000; + s = MV643XX_ETH_DA_FILTER_SPECL_MCAST_TBL(mp->port_num); + o = MV643XX_ETH_DA_FILTER_OTHER_MCAST_TBL(mp->port_num); + for (i=0; i<MV643XX_ETH_NUM_MCAST_ENTRIES; i++) { + MV_WRITE(s,v); + MV_WRITE(o,v); + s+=4; + o+=4; + } + for (i=0; i<sizeof(mp->mc_refcnt.specl)/sizeof(mp->mc_refcnt.specl[0]); i++) { + mp->mc_refcnt.specl[i] = 0; + mp->mc_refcnt.other[i] = 0; + } +} + +void +BSP_mve_mcast_filter_accept_all(struct mveth_private *mp) +{ +int i; +register uint32_t s,o; + s = MV643XX_ETH_DA_FILTER_SPECL_MCAST_TBL(mp->port_num); + o = MV643XX_ETH_DA_FILTER_OTHER_MCAST_TBL(mp->port_num); + for (i=0; i<MV643XX_ETH_NUM_MCAST_ENTRIES; i++) { + MV_WRITE(s,0x01010101); + MV_WRITE(o,0x01010101); + s+=4; + o+=4; + /* Not clear what we should do with the reference count. + * For now just increment it. + */ + for (i=0; i<sizeof(mp->mc_refcnt.specl)/sizeof(mp->mc_refcnt.specl[0]); i++) { + mp->mc_refcnt.specl[i]++; + mp->mc_refcnt.other[i]++; + } + } +} + +static void add_entry(uint32_t off, uint8_t hash, Mc_Refcnt *refcnt) +{ +uint32_t val; +uint32_t slot = hash & 0xfc; + + if ( 0 == (*refcnt)[hash]++ ) { + val = MV_READ(off+slot) | ( 1 << ((hash&3)<<3) ); + MV_WRITE(off+slot, val); + } +} + +static void del_entry(uint32_t off, uint8_t hash, Mc_Refcnt *refcnt) +{ +uint32_t val; +uint32_t slot = hash & 0xfc; + + if ( (*refcnt)[hash] > 0 && 0 == --(*refcnt)[hash] ) { + val = MV_READ(off+slot) & ~( 1 << ((hash&3)<<3) ); + MV_WRITE(off+slot, val); + } +} + +void +BSP_mve_mcast_filter_accept_add(struct mveth_private *mp, unsigned char *enaddr) +{ +uint32_t hash; +static const char spec[]={0x01,0x00,0x5e,0x00,0x00}; +static const char bcst[]={0xff,0xff,0xff,0xff,0xff,0xff}; +uint32_t tabl; +Mc_Refcnt *refcnt; + + if ( ! (0x01 & enaddr[0]) ) { + /* not a multicast address; ignore */ + return; + } + + if ( 0 == memcmp(enaddr, bcst, sizeof(bcst)) ) { + /* broadcast address; ignore */ + return; + } + + if ( 0 == memcmp(enaddr, spec, sizeof(spec)) ) { + hash = enaddr[5]; + tabl = MV643XX_ETH_DA_FILTER_SPECL_MCAST_TBL(mp->port_num); + refcnt = &mp->mc_refcnt.specl; + } else { + uint32_t test, mask; + int i; + /* algorithm used by linux driver */ + for ( hash=0, i=0; i<6; i++ ) { + hash = (hash ^ enaddr[i]) << 8; + for ( test=0x8000, mask=0x8380; test>0x0080; test>>=1, mask>>=1 ) { + if ( hash & test ) + hash ^= mask; + } + } + tabl = MV643XX_ETH_DA_FILTER_OTHER_MCAST_TBL(mp->port_num); + refcnt = &mp->mc_refcnt.other; + } + add_entry(tabl, hash, refcnt); +} + +void +BSP_mve_mcast_filter_accept_del(struct mveth_private *mp, unsigned char *enaddr) +{ +uint32_t hash; +static const char spec[]={0x01,0x00,0x5e,0x00,0x00}; +static const char bcst[]={0xff,0xff,0xff,0xff,0xff,0xff}; +uint32_t tabl; +Mc_Refcnt *refcnt; + + if ( ! (0x01 & enaddr[0]) ) { + /* not a multicast address; ignore */ + return; + } + + if ( 0 == memcmp(enaddr, bcst, sizeof(bcst)) ) { + /* broadcast address; ignore */ + return; + } + + if ( 0 == memcmp(enaddr, spec, sizeof(spec)) ) { + hash = enaddr[5]; + tabl = MV643XX_ETH_DA_FILTER_SPECL_MCAST_TBL(mp->port_num); + refcnt = &mp->mc_refcnt.specl; + } else { + uint32_t test, mask; + int i; + /* algorithm used by linux driver */ + for ( hash=0, i=0; i<6; i++ ) { + hash = (hash ^ enaddr[i]) << 8; + for ( test=0x8000, mask=0x8380; test>0x0080; test>>=1, mask>>=1 ) { + if ( hash & test ) + hash ^= mask; + } + } + tabl = MV643XX_ETH_DA_FILTER_OTHER_MCAST_TBL(mp->port_num); + refcnt = &mp->mc_refcnt.other; + } + del_entry(tabl, hash, refcnt); +} + +/* Clear all address filters (multi- and unicast) */ +static void +mveth_clear_addr_filters(struct mveth_private *mp) +{ +register int i; +register uint32_t u; + u = MV643XX_ETH_DA_FILTER_UNICAST_TBL(mp->port_num); + for (i=0; i<MV643XX_ETH_NUM_UNICAST_ENTRIES; i++) { + MV_WRITE(u,0); + u+=4; + } + BSP_mve_mcast_filter_clear(mp); +} + +/* Setup unicast filter for a given MAC address (least significant nibble) */ +static void +mveth_ucfilter(struct mveth_private *mp, unsigned char mac_lsbyte, int accept) +{ +unsigned nib, slot, bit; +uint32_t val; + /* compute slot in table */ + nib = mac_lsbyte & 0xf; /* strip nibble */ + slot = nib & ~3; /* (nibble/4)*4 */ + bit = (nib & 3)<<3; /* 8*(nibble % 4) */ + val = MV_READ(MV643XX_ETH_DA_FILTER_UNICAST_TBL(mp->port_num) + slot); + if ( accept ) { + val |= 0x01 << bit; + } else { + val &= 0x0e << bit; + } + MV_WRITE(MV643XX_ETH_DA_FILTER_UNICAST_TBL(mp->port_num) + slot, val); +} + +#if defined( ENABLE_TX_WORKAROUND_8_BYTE_PROBLEM ) && 0 +/* Currently unused; small unaligned buffers seem to be rare + * so we just use memcpy()... + */ + +/* memcpy for 0..7 bytes; arranged so that gcc + * optimizes for powerpc... + */ + +static inline void memcpy8(void *to, void *fr, unsigned x) +{ +register uint8_t *d = to, *s = fro; + + d+=l; s+=l; + if ( l & 1 ) { + *--d=*--s; + } + if ( l & 2 ) { + /* pre-decrementing causes gcc to use auto-decrementing + * PPC instructions (lhzu rx, -2(ry)) + */ + d-=2; s-=2; + /* use memcpy; don't cast to short -- accessing + * misaligned data as short is not portable + * (but it works on PPC). + */ + __builtin_memcpy(d,s,2); + } + if ( l & 4 ) { + d-=4; s-=4; + /* see above */ + __builtin_memcpy(d,s,4); + } +} +#endif + +static int +mveth_assign_desc_raw(MvEthTxDesc d, void *buf, int len, void *uptr, unsigned long extra) +{ +int rval = (d->byte_cnt = len); + +#ifdef MVETH_TESTING + assert( !d->u_buf ); + assert( len ); +#endif + + /* set CRC on all descriptors; seems to be necessary */ + d->cmd_sts = extra | (TDESC_GEN_CRC | TDESC_ZERO_PAD); + +#ifdef ENABLE_TX_WORKAROUND_8_BYTE_PROBLEM + /* The buffer must be 64bit aligned if the payload is <8 (??) */ + if ( rval < 8 && ( ((uintptr_t)buf) & 7) ) { + d->buf_ptr = CPUADDR2ENET( d->workaround ); + memcpy((void*)d->workaround, buf, rval); + } else +#endif + { + d->buf_ptr = CPUADDR2ENET( (unsigned long)buf ); + } + d->u_buf = uptr; + d->l4i_chk = 0; + return rval; +} + +/* + * Ring Initialization + * + * ENDIAN ASSUMPTION: DMA engine matches CPU endianness (???) + * + * Linux driver discriminates __LITTLE and __BIG endian for re-arranging + * the u16 fields in the descriptor structs. However, no endian conversion + * is done on the individual fields (SDMA byte swapping is disabled on LE). + */ + +STATIC int +mveth_init_rx_desc_ring(struct mveth_private *mp) +{ +int i,sz; +MvEthRxDesc d; +uintptr_t baddr; + + memset((void*)mp->rx_ring, 0, sizeof(*mp->rx_ring)*mp->rbuf_count); + + mp->rx_desc_dma = CPUADDR2ENET(mp->rx_ring); + + for ( i=0, d = mp->rx_ring; i<mp->rbuf_count; i++, d++ ) { + d->u_buf = mp->alloc_rxbuf(&sz, &baddr); + assert( d->u_buf ); + +#ifndef ENABLE_HW_SNOOPING + /* could reduce the area to max. ethernet packet size */ + INVAL_BUF(baddr, sz); +#endif + + d->buf_size = sz; + d->byte_cnt = 0; + d->cmd_sts = RDESC_DMA_OWNED | RDESC_INT_ENA; + d->next = mp->rx_ring + (i+1) % mp->rbuf_count; + + d->buf_ptr = CPUADDR2ENET( baddr ); + d->next_desc_ptr = CPUADDR2ENET(d->next); + FLUSH_DESC(d); + } + FLUSH_BARRIER(); + + mp->d_rx_t = mp->rx_ring; + + /* point the chip to the start of the ring */ + MV_WRITE(MV643XX_ETH_RX_Q0_CURRENT_DESC_PTR(mp->port_num),mp->rx_desc_dma); + + + return i; +} + +STATIC int +mveth_init_tx_desc_ring(struct mveth_private *mp) +{ +int i; +MvEthTxDesc d; + + memset((void*)mp->tx_ring, 0, sizeof(*mp->tx_ring)*mp->xbuf_count); + + /* DMA and CPU live in the same address space (rtems) */ + mp->tx_desc_dma = CPUADDR2ENET(mp->tx_ring); + mp->avail = TX_AVAILABLE_RING_SIZE(mp); + + for ( i=0, d=mp->tx_ring; i<mp->xbuf_count; i++,d++ ) { + d->l4i_chk = 0; + d->byte_cnt = 0; + d->cmd_sts = 0; + d->buf_ptr = 0; + + d->next = mp->tx_ring + (i+1) % mp->xbuf_count; + d->next_desc_ptr = CPUADDR2ENET(d->next); + FLUSH_DESC(d); + } + FLUSH_BARRIER(); + + mp->d_tx_h = mp->d_tx_t = mp->tx_ring; + + /* point the chip to the start of the ring */ + MV_WRITE(MV643XX_ETH_TX_Q0_CURRENT_DESC_PTR(mp->port_num),mp->tx_desc_dma); + + return i; +} + +/* PUBLIC LOW-LEVEL DRIVER ACCESS */ + +struct mveth_private * +BSP_mve_create( + int unit, + rtems_id tid, + void (*isr)(void*isr_arg), + void *isr_arg, + void (*cleanup_txbuf)(void *user_buf, void *closure, int error_on_tx_occurred), + void *cleanup_txbuf_arg, + void *(*alloc_rxbuf)(int *p_size, uintptr_t *p_data_addr), + void (*consume_rxbuf)(void *user_buf, void *closure, int len), + void *consume_rxbuf_arg, + int rx_ring_size, + int tx_ring_size, + int irq_mask +) +{ +struct mveth_private *mp; +int InstallISRSuccessful; + + if ( unit <= 0 || unit > MV643XXETH_NUM_DRIVER_SLOTS ) { + printk(DRVNAME": Bad unit number %i; must be 1..%i\n", unit, MV643XXETH_NUM_DRIVER_SLOTS); + return 0; + } + + if ( rx_ring_size < 0 && tx_ring_size < 0 ) + return 0; + + if ( MV_64360 != BSP_getDiscoveryVersion(0) ) { + printk(DRVNAME": not mv64360 chip\n"); + return 0; + } + + if ( tx_ring_size < 1 ) { + printk(DRVNAME": tx ring size must not be zero (networking configuration issue?)\n"); + return 0; + } + + if ( rx_ring_size < 1 ) { + printk(DRVNAME": rx ring size must not be zero (networking configuration issue?)\n"); + return 0; + } + + mp = calloc( 1, sizeof *mp ); + + mp->port_num = unit-1; + mp->phy = port2phy(mp->port_num); + + mp->tid = tid; + mp->isr = isr; + mp->isr_arg = isr_arg; + + mp->cleanup_txbuf = cleanup_txbuf; + mp->cleanup_txbuf_arg = cleanup_txbuf_arg; + mp->alloc_rxbuf = alloc_rxbuf; + mp->consume_rxbuf = consume_rxbuf; + mp->consume_rxbuf_arg = consume_rxbuf_arg; + + mp->rbuf_count = rx_ring_size; + mp->xbuf_count = tx_ring_size; + + if ( mp->xbuf_count > 0 ) + mp->xbuf_count += TX_NUM_TAG_SLOTS; + + if ( mp->rbuf_count < 0 ) + mp->rbuf_count = 0; + if ( mp->xbuf_count < 0 ) + mp->xbuf_count = 0; + + /* allocate ring area; add 1 entry -- room for alignment */ + assert( !mp->ring_area ); + mp->ring_area = malloc( sizeof(*mp->ring_area) * (mp->rbuf_count + mp->xbuf_count + 1) ); + assert( mp->ring_area ); + + BSP_mve_stop_hw(mp); + + if ( irq_mask ) { + irq_data[mp->port_num].hdl = mveth_isr; + irq_data[mp->port_num].handle = (rtems_irq_hdl_param)mp; + InstallISRSuccessful = BSP_install_rtems_irq_handler( &irq_data[mp->port_num] ); + assert( InstallISRSuccessful ); + } + + if ( rx_ring_size < 0 ) + irq_mask &= ~ MV643XX_ETH_IRQ_RX_DONE; + if ( tx_ring_size < 0 ) + irq_mask &= ~ MV643XX_ETH_EXT_IRQ_TX_DONE; + + mp->irq_mask = (irq_mask & MV643XX_ETH_IRQ_RX_DONE); + if ( (irq_mask &= (MV643XX_ETH_EXT_IRQ_TX_DONE | MV643XX_ETH_EXT_IRQ_LINK_CHG)) ) { + mp->irq_mask |= MV643XX_ETH_IRQ_EXT_ENA; + mp->xirq_mask = irq_mask; + } else { + mp->xirq_mask = 0; + } + + return mp; +} + +void +BSP_mve_update_serial_port(struct mveth_private *mp, int media) +{ +int port = mp->port_num; +uint32_t old, new; + +#ifdef MVETH_DEBUG + printk(DRVNAME": Entering BSP_mve_update_serial_port()\n"); +#endif + + new = old = MV_READ(MV643XX_ETH_SERIAL_CONTROL_R(port)); + + /* mask speed and duplex settings */ + new &= ~( MV643XX_ETH_SET_GMII_SPEED_1000 + | MV643XX_ETH_SET_MII_SPEED_100 + | MV643XX_ETH_SET_FULL_DUPLEX ); + + if ( (MV643XX_MEDIA_FD & media) ) + new |= MV643XX_ETH_SET_FULL_DUPLEX; + + switch ( (media & MV643XX_MEDIA_SPEED_MSK) ) { + default: /* treat as 10 */ + break; + case MV643XX_MEDIA_100: + new |= MV643XX_ETH_SET_MII_SPEED_100; + break; + case MV643XX_MEDIA_1000: + new |= MV643XX_ETH_SET_GMII_SPEED_1000; + break; + } + + + if ( new != old ) { + if ( ! (MV643XX_ETH_SERIAL_PORT_ENBL & new) ) { + /* just write */ + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(port), new); + } else { + uint32_t were_running; + + were_running = mveth_stop_tx(port); + + old &= ~MV643XX_ETH_SERIAL_PORT_ENBL; + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(port), old); + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(port), new); + /* linux driver writes twice... */ + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(port), new); + + if ( were_running ) { + MV_WRITE(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_TX_START(0)); + } + } + } + /* If TX stalled because there was no buffer then whack it */ + mveth_start_tx(mp); +} + +rtems_id +BSP_mve_get_tid(struct mveth_private *mp) +{ + return mp->tid; +} + +int +BSP_mve_detach(struct mveth_private *mp) +{ + BSP_mve_stop_hw(mp); + if ( mp->irq_mask || mp->xirq_mask ) { + if ( !BSP_remove_rtems_irq_handler( &irq_data[mp->port_num] ) ) + return -1; + } + free( (void*)mp->ring_area ); + memset(mp, 0, sizeof(*mp)); + __asm__ __volatile__("":::"memory"); + return 0; +} + +/* MAIN RX-TX ROUTINES + * + * BSP_mve_swipe_tx(): descriptor scavenger; releases mbufs + * BSP_mve_send_buf(): xfer mbufs from IF to chip + * BSP_mve_swipe_rx(): enqueue received mbufs to interface + * allocate new ones and yield them to the + * chip. + */ + +/* clean up the TX ring freeing up buffers */ +int +BSP_mve_swipe_tx(struct mveth_private *mp) +{ +int rval = 0; +register MvEthTxDesc d; + + for ( d = mp->d_tx_t; d->buf_ptr; d = NEXT_TXD(d) ) { + + INVAL_DESC(d); + + if ( (TDESC_DMA_OWNED & d->cmd_sts) + && (uint32_t)d == MV_READ(MV643XX_ETH_CURRENT_SERVED_TX_DESC(mp->port_num)) ) + break; + + /* d->u_buf is only set on the last descriptor in a chain; + * we only count errors in the last descriptor; + */ + if ( d->u_buf ) { + mp->cleanup_txbuf(d->u_buf, mp->cleanup_txbuf_arg, (d->cmd_sts & TDESC_ERROR) ? 1 : 0); + d->u_buf = 0; + } + + d->buf_ptr = 0; + + rval++; + } + mp->d_tx_t = d; + mp->avail += rval; + + return mp->avail; +} + +int +BSP_mve_send_buf_chain(struct mveth_private *mp, MveEthBufIterNext next, MveEthBufIter *it) +{ +int rval; +register MvEthTxDesc l,d,h; +int nmbs; +MveEthBufIter head = *it; + + rval = 0; + + /* if no descriptor is available; try to wipe the queue */ + if ( (mp->avail < 1) && MVETH_CLEAN_ON_SEND(mp)<=0 ) { + /* Maybe TX is stalled and needs to be restarted */ + mveth_start_tx(mp); + return -1; + } + + h = mp->d_tx_h; + +#ifdef MVETH_TESTING + assert( !h->buf_ptr ); + assert( !h->u_buf ); +#endif + + /* Don't use the first descriptor yet because BSP_mve_swipe_tx() + * needs mp->d_tx_h->buf_ptr == NULL as a marker. Hence, we + * start with the second mbuf and fill the first descriptor + * last. + */ + + l = h; + d = NEXT_TXD(h); + + mp->avail--; + + nmbs = 1; + while ( (it = next(it)) ) { + if ( 0 == it->len ) + continue; /* skip empty mbufs */ + + nmbs++; + + if ( mp->avail < 1 && MVETH_CLEAN_ON_SEND(mp)<=0 ) { + /* Maybe TX was stalled - try to restart */ + mveth_start_tx(mp); + + /* not enough descriptors; cleanup... + * the first slot was never used, so we start + * at mp->d_tx_h->next; + */ + for ( l = NEXT_TXD(h); l!=d; l=NEXT_TXD(l) ) { +#ifdef MVETH_TESTING + assert( l->u_buf == 0 ); +#endif + l->buf_ptr = 0; + l->cmd_sts = 0; + mp->avail++; + } + mp->avail++; + if ( nmbs > TX_AVAILABLE_RING_SIZE(mp) ) { + /* this chain will never fit into the ring */ + if ( nmbs > mp->stats.maxchain ) + mp->stats.maxchain = nmbs; + mp->stats.repack++; + /* caller may reorganize chain */ + return -2; + } + return -1; + } + + mp->avail--; + +#ifdef MVETH_TESTING + assert( d != h ); + assert( !d->buf_ptr ); +#endif + + /* fill this slot */ + rval += mveth_assign_desc_raw(d, it->data, it->len, it->uptr, TDESC_DMA_OWNED); + + FLUSH_BUF( (uint32_t)it->data, it->len ); + + l = d; + d = NEXT_TXD(d); + + FLUSH_DESC(l); + } + + /* fill first slot - don't release to DMA yet */ + rval += mveth_assign_desc_raw(h, head.data, head.len, head.uptr, TDESC_FRST); + + + FLUSH_BUF((uint32_t)head.data, head.len); + + + /* tag last slot; this covers the case where 1st==last */ + l->cmd_sts |= TDESC_LAST | TDESC_INT_ENA; + + FLUSH_DESC(l); + + /* Tag end; make sure chip doesn't try to read ahead of here! */ + l->next->cmd_sts = 0; + FLUSH_DESC(l->next); + + membarrier(); + + /* turn over the whole chain by flipping ownership of the first desc */ + h->cmd_sts |= TDESC_DMA_OWNED; + + FLUSH_DESC(h); + + membarrier(); + + /* notify the device */ + MV_WRITE(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_TX_START(0)); + + /* Update softc */ + mp->stats.packet++; + if ( nmbs > mp->stats.maxchain ) + mp->stats.maxchain = nmbs; + + /* remember new head */ + mp->d_tx_h = d; + + return rval; /* #bytes sent */ +} + +int +BSP_mve_send_buf_raw( + struct mveth_private *mp, + void *head_p, + int h_len, + void *data_p, + int d_len) +{ +int rval; +register MvEthTxDesc l,d,h; +int needed; +void *frst_buf; +int frst_len; +void *uarg; + + rval = 0; + +#ifdef MVETH_TESTING + assert(head_p || data_p); +#endif + + needed = head_p && data_p ? 2 : 1; + + /* if no descriptor is available; try to wipe the queue */ + if ( ( mp->avail < needed ) + && ( MVETH_CLEAN_ON_SEND(mp) <= 0 || mp->avail < needed ) ) { + /* Maybe TX was stalled and needs a restart */ + mveth_start_tx(mp); + return -1; + } + + h = mp->d_tx_h; + +#ifdef MVETH_TESTING + assert( !h->buf_ptr ); + assert( !h->u_buf ); +#endif + + /* find the 'first' user buffer */ + if ( (frst_buf = head_p) && (h_len > 0) ) { + frst_len = h_len; + } else { + frst_buf = data_p; + frst_len = d_len; + } + + uarg = (head_p && ! h_len) ? head_p : frst_buf; + + /* Legacy: if h_len == 0 but head_p is not then use that for the user arg */ + + /* Don't use the first descriptor yet because BSP_mve_swipe_tx() + * needs mp->d_tx_h->buf_ptr == NULL as a marker. Hence, we + * start with the second (optional) slot and fill the first + * descriptor last. + */ + + l = h; + d = NEXT_TXD(h); + + mp->avail--; + + if ( needed > 1 ) { + mp->avail--; +#ifdef MVETH_TESTING + assert( d != h ); + assert( !d->buf_ptr ); +#endif + rval += mveth_assign_desc_raw(d, data_p, d_len, 0, TDESC_DMA_OWNED); + FLUSH_BUF( (uint32_t)data_p, d_len ); + d->u_buf = data_p; + + l = d; + d = NEXT_TXD(d); + + FLUSH_DESC(l); + } + + /* fill first slot with raw buffer - don't release to DMA yet */ + rval += mveth_assign_desc_raw(h, frst_buf, frst_len, 0, TDESC_FRST); + + FLUSH_BUF( (uint32_t)frst_buf, frst_len); + + /* tag last slot; this covers the case where 1st==last */ + l->cmd_sts |= TDESC_LAST | TDESC_INT_ENA; + + /* first buffer of 'chain' goes into last desc */ + l->u_buf = uarg; + + FLUSH_DESC(l); + + /* Tag end; make sure chip doesn't try to read ahead of here! */ + l->next->cmd_sts = 0; + FLUSH_DESC(l->next); + + membarrier(); + + /* turn over the whole chain by flipping ownership of the first desc */ + h->cmd_sts |= TDESC_DMA_OWNED; + + FLUSH_DESC(h); + + membarrier(); + + /* notify the device */ + MV_WRITE(MV643XX_ETH_TRANSMIT_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_TX_START(0)); + + /* Update softc */ + mp->stats.packet++; + if ( needed > mp->stats.maxchain ) + mp->stats.maxchain = needed; + + /* remember new head */ + mp->d_tx_h = d; + + return rval; /* #bytes sent */ +} + +/* send received buffers upwards and replace them + * with freshly allocated ones; + * ASSUMPTION: buffer length NEVER changes and is set + * when the ring is initialized. + * TS 20060727: not sure if this assumption is still necessary - I believe it isn't. + */ + +int +BSP_mve_swipe_rx(struct mveth_private *mp) +{ +int rval = 0, err; +register MvEthRxDesc d; +void *newbuf; +int sz; +uintptr_t baddr; + + for ( d = mp->d_rx_t; ! (INVAL_DESC(d), (RDESC_DMA_OWNED & d->cmd_sts)); d=NEXT_RXD(d) ) { + +#ifdef MVETH_TESTING + assert(d->u_buf); +#endif + + err = (RDESC_ERROR & d->cmd_sts); + + if ( err || !(newbuf = mp->alloc_rxbuf(&sz, &baddr)) ) { + /* drop packet and recycle buffer */ + newbuf = d->u_buf; + mp->stats.idrops++; + } else { +#ifdef MVETH_TESTING + assert( d->byte_cnt > 0 ); +#endif + mp->consume_rxbuf(d->u_buf, mp->consume_rxbuf_arg, d->byte_cnt); + +#ifndef ENABLE_HW_SNOOPING + /* could reduce the area to max. ethernet packet size */ + INVAL_BUF(baddr, sz); +#endif + d->u_buf = newbuf; + d->buf_ptr = CPUADDR2ENET(baddr); + d->buf_size = sz; + FLUSH_DESC(d); + } + + membarrier(); + + d->cmd_sts = RDESC_DMA_OWNED | RDESC_INT_ENA; + + FLUSH_DESC(d); + + rval++; + } + MV_WRITE(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_RX_START(0)); + mp->d_rx_t = d; + return rval; +} + +/* Stop hardware and clean out the rings */ +void +BSP_mve_stop_hw(struct mveth_private *mp) +{ +MvEthTxDesc d; +MvEthRxDesc r; +int i; + + mveth_disable_irqs(mp, -1); + + mveth_stop_tx(mp->port_num); + + /* cleanup TX rings */ + if (mp->d_tx_t) { /* maybe ring isn't initialized yet */ + for ( i=0, d=mp->tx_ring; i<mp->xbuf_count; i++, d++ ) { + /* should be safe to clear ownership */ + d->cmd_sts &= ~TDESC_DMA_OWNED; + FLUSH_DESC(d); + } + FLUSH_BARRIER(); + + BSP_mve_swipe_tx(mp); + +#ifdef MVETH_TESTING + assert( mp->d_tx_h == mp->d_tx_t ); + for ( i=0, d=mp->tx_ring; i<mp->xbuf_count; i++, d++ ) { + assert( !d->buf_ptr ); + } +#endif + } + + MV_WRITE(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_RX_STOP_ALL); + while ( MV643XX_ETH_RX_ANY_RUNNING & MV_READ(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_R(mp->port_num)) ) + /* poll-wait */; + + /* stop serial port */ + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num), + MV_READ(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num)) + & ~( MV643XX_ETH_SERIAL_PORT_ENBL | MV643XX_ETH_FORCE_LINK_FAIL_DISABLE | MV643XX_ETH_FORCE_LINK_PASS) + ); + + /* clear pending interrupts */ + MV_WRITE(MV643XX_ETH_INTERRUPT_CAUSE_R(mp->port_num), 0); + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_CAUSE_R(mp->port_num), 0); + + /* cleanup RX rings */ + if ( mp->rx_ring ) { + for ( i=0, r=mp->rx_ring; i<mp->rbuf_count; i++, r++ ) { + /* should be OK to clear ownership flag */ + r->cmd_sts = 0; + FLUSH_DESC(r); + mp->consume_rxbuf(r->u_buf, mp->consume_rxbuf_arg, 0); + r->u_buf = 0; + } + FLUSH_BARRIER(); + } + + +} + +uint32_t mveth_serial_ctrl_config_val = MVETH_SERIAL_CTRL_CONFIG_VAL; + +/* Fire up the low-level driver + * + * - make sure hardware is halted + * - enable cache snooping + * - clear address filters + * - clear mib counters + * - reset phy + * - initialize (or reinitialize) descriptor rings + * - check that the firmware has set up a reasonable mac address. + * - generate unicast filter entry for our mac address + * - write register config values to the chip + * - start hardware (serial port and SDMA) + */ + +void +BSP_mve_init_hw(struct mveth_private *mp, int promisc, unsigned char *enaddr, int media) +{ +int i; +uint32_t v; +static int inited = 0; + +#ifdef MVETH_DEBUG + printk(DRVNAME"%i: Entering BSP_mve_init_hw()\n", mp->port_num+1); +#endif + + /* since enable/disable IRQ routine only operate on select bitsets + * we must make sure everything is masked initially. + */ + MV_WRITE(MV643XX_ETH_INTERRUPT_ENBL_R(mp->port_num), 0); + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_ENBL_R(mp->port_num), 0); + + BSP_mve_stop_hw(mp); + + memset(&mp->stats, 0, sizeof(mp->stats)); + + mp->promisc = promisc; + + /* MotLoad has cache snooping disabled on the ENET2MEM windows. + * Some comments in (linux) indicate that there are errata + * which cause problems which would be a real bummer. + * We try it anyways... + */ + if ( !inited ) { + unsigned long disbl, bar; + inited = 1; /* FIXME: non-thread safe lazy init */ + disbl = MV_READ(MV643XX_ETH_BAR_ENBL_R); + /* disable all 6 windows */ + MV_WRITE(MV643XX_ETH_BAR_ENBL_R, MV643XX_ETH_BAR_DISBL_ALL); + /* set WB snooping on enabled bars */ + for ( i=0; i<MV643XX_ETH_NUM_BARS*8; i+=8 ) { + if ( (bar = MV_READ(MV643XX_ETH_BAR_0 + i)) && MV_READ(MV643XX_ETH_SIZE_R_0 + i) ) { +#ifdef ENABLE_HW_SNOOPING + MV_WRITE(MV643XX_ETH_BAR_0 + i, bar | MV64360_ENET2MEM_SNOOP_WB); +#else + MV_WRITE(MV643XX_ETH_BAR_0 + i, bar & ~MV64360_ENET2MEM_SNOOP_MSK); +#endif + /* read back to flush fifo [linux comment] */ + (void)MV_READ(MV643XX_ETH_BAR_0 + i); + } + } + /* restore/re-enable */ + MV_WRITE(MV643XX_ETH_BAR_ENBL_R, disbl); + } + + mveth_clear_mib_counters(mp); + mveth_clear_addr_filters(mp); + +/* Just leave it alone... + reset_phy(); +*/ + + if ( mp->rbuf_count > 0 ) { + mp->rx_ring = (MvEthRxDesc)MV643XX_ALIGN(mp->ring_area, RING_ALIGNMENT); + mveth_init_rx_desc_ring(mp); + } + + if ( mp->xbuf_count > 0 ) { + mp->tx_ring = (MvEthTxDesc)mp->rx_ring + mp->rbuf_count; + mveth_init_tx_desc_ring(mp); + } + + if ( enaddr ) { + /* set ethernet address from arpcom struct */ +#ifdef MVETH_DEBUG + printk(DRVNAME"%i: Writing MAC addr ", mp->port_num+1); + for (i=5; i>=0; i--) { + printk("%02X%c", enaddr[i], i?':':'\n'); + } +#endif + mveth_write_eaddr(mp, enaddr); + } + + /* set mac address and unicast filter */ + + { + uint32_t machi, maclo; + maclo = MV_READ(MV643XX_ETH_MAC_ADDR_LO(mp->port_num)); + machi = MV_READ(MV643XX_ETH_MAC_ADDR_HI(mp->port_num)); + /* ASSUME: firmware has set the mac address for us + * - if assertion fails, we have to do more work... + */ + assert( maclo && machi && maclo != 0xffffffff && machi != 0xffffffff ); + mveth_ucfilter(mp, maclo&0xff, 1/* accept */); + } + + /* port, serial and sdma configuration */ + v = MVETH_PORT_CONFIG_VAL; + if ( promisc ) { + /* multicast filters were already set up to + * accept everything (mveth_clear_addr_filters()) + */ + v |= MV643XX_ETH_UNICAST_PROMISC_MODE; + } else { + v &= ~MV643XX_ETH_UNICAST_PROMISC_MODE; + } + MV_WRITE(MV643XX_ETH_PORT_CONFIG_R(mp->port_num), + v); + MV_WRITE(MV643XX_ETH_PORT_CONFIG_XTEND_R(mp->port_num), + MVETH_PORT_XTEND_CONFIG_VAL); + + v = MV_READ(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num)); + v &= ~(MVETH_SERIAL_CTRL_CONFIG_MSK); + v |= mveth_serial_ctrl_config_val; + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num), v); + + if ( (MV643XX_MEDIA_LINK & media) ) { + BSP_mve_update_serial_port(mp, media); + } + + /* enable serial port */ + v = MV_READ(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num)); + MV_WRITE(MV643XX_ETH_SERIAL_CONTROL_R(mp->port_num), + v | MV643XX_ETH_SERIAL_PORT_ENBL); + +#ifndef __BIG_ENDIAN__ +#error "byte swapping needs to be disabled for little endian machines" +#endif + MV_WRITE(MV643XX_ETH_SDMA_CONFIG_R(mp->port_num), MVETH_SDMA_CONFIG_VAL); + + /* allow short frames */ + MV_WRITE(MV643XX_ETH_RX_MIN_FRAME_SIZE_R(mp->port_num), MVETH_MIN_FRAMSZ_CONFIG_VAL); + + MV_WRITE(MV643XX_ETH_INTERRUPT_CAUSE_R(mp->port_num), 0); + MV_WRITE(MV643XX_ETH_INTERRUPT_EXTEND_CAUSE_R(mp->port_num), 0); + /* TODO: set irq coalescing */ + + /* enable Rx */ + if ( mp->rbuf_count > 0 ) { + MV_WRITE(MV643XX_ETH_RECEIVE_QUEUE_COMMAND_R(mp->port_num), MV643XX_ETH_RX_START(0)); + } + + mveth_enable_irqs(mp, -1); + +#ifdef MVETH_DEBUG + printk(DRVNAME"%i: Leaving BSP_mve_init_hw()\n", mp->port_num+1); +#endif +} + +/* read ethernet address from hw to buffer */ +void +BSP_mve_read_eaddr(struct mveth_private *mp, unsigned char *oeaddr) +{ +int i; +uint32_t x; +unsigned char buf[6], *eaddr; + + eaddr = oeaddr ? oeaddr : buf; + + eaddr += 5; + x = MV_READ(MV643XX_ETH_MAC_ADDR_LO(mp->port_num)); + + /* lo word */ + for (i=2; i; i--, eaddr--) { + *eaddr = (unsigned char)(x & 0xff); + x>>=8; + } + + x = MV_READ(MV643XX_ETH_MAC_ADDR_HI(mp->port_num)); + /* hi word */ + for (i=4; i; i--, eaddr--) { + *eaddr = (unsigned char)(x & 0xff); + x>>=8; + } + + if ( !oeaddr ) { + printf("%02X",buf[0]); + for (i=1; i<sizeof(buf); i++) + printf(":%02X",buf[i]); + printf("\n"); + } +} + +void +BSP_mve_enable_irqs(struct mveth_private *mp) +{ + mveth_enable_irqs(mp, -1); +} + +void +BSP_mve_disable_irqs(struct mveth_private *mp) +{ + mveth_disable_irqs(mp, -1); +} + +uint32_t +BSP_mve_ack_irqs(struct mveth_private *mp) +{ + return mveth_ack_irqs(mp, -1); +} + + +void +BSP_mve_enable_irq_mask(struct mveth_private *mp, uint32_t mask) +{ + mveth_enable_irqs(mp, mask); +} + +uint32_t +BSP_mve_disable_irq_mask(struct mveth_private *mp, uint32_t mask) +{ + return mveth_disable_irqs(mp, mask); +} + +uint32_t +BSP_mve_ack_irq_mask(struct mveth_private *mp, uint32_t mask) +{ + return mveth_ack_irqs(mp, mask); +} + +void +BSP_mve_dump_stats(struct mveth_private *mp, FILE *f) +{ +int p = mp->port_num; +int idx; +uint32_t v; + + if ( !f ) + f = stdout; + + fprintf(f, DRVNAME"%i Statistics:\n", mp->port_num + 1); + fprintf(f, " # IRQS: %i\n", mp->stats.irqs); + fprintf(f, " Max. mbuf chain length: %i\n", mp->stats.maxchain); + fprintf(f, " # repacketed: %i\n", mp->stats.repack); + fprintf(f, " # packets: %i\n", mp->stats.packet); + fprintf(f, " # buffer alloc failed: %i\n", mp->stats.idrops); + fprintf(f, "MIB Counters:\n"); + for ( idx = MV643XX_ETH_MIB_GOOD_OCTS_RCVD_LO>>2; + idx < MV643XX_ETH_NUM_MIB_COUNTERS; + idx++ ) { + switch ( idx ) { + case MV643XX_ETH_MIB_GOOD_OCTS_RCVD_LO>>2: + mp->stats.mib.good_octs_rcvd += read_long_mib_counter(p, idx); + fprintf(f, mibfmt[idx], mp->stats.mib.good_octs_rcvd); + idx++; + break; + + case MV643XX_ETH_MIB_GOOD_OCTS_SENT_LO>>2: + mp->stats.mib.good_octs_sent += read_long_mib_counter(p, idx); + fprintf(f, mibfmt[idx], mp->stats.mib.good_octs_sent); + idx++; + break; + + default: + v = ((uint32_t*)&mp->stats.mib)[idx] += read_mib_counter(p, idx); + fprintf(f, mibfmt[idx], v); + break; + } + } + fprintf(f, "\n"); +} + +#ifdef MVETH_DEBUG +/* Display/dump descriptor rings */ + +/* These low-level routines need to be synchronized with + * any Tx/Rx threads! + */ +int +BSP_mve_dring_nonsync(struct mveth_private *mp) +{ +int i; +if (1) { +MvEthRxDesc pr; +printf("RX:\n"); + + for (i=0, pr=mp->rx_ring; i<mp->rbuf_count; i++, pr++) { + printf("cnt: 0x%04x, size: 0x%04x, stat: 0x%08x, next: 0x%08x, buf: 0x%08x\n", + pr->byte_cnt, pr->buf_size, pr->cmd_sts, (uint32_t)pr->next_desc_ptr, pr->buf_ptr); + } +} +if (1) { +MvEthTxDesc pt; +printf("TX:\n"); + for (i=0, pt=mp->tx_ring; i<mp->xbuf_count; i++, pt++) { + printf("cnt: 0x%04x, stat: 0x%08x, next: 0x%08x, buf: 0x%08x, mb: 0x%08x\n", + pt->byte_cnt, pt->cmd_sts, (uint32_t)pt->next_desc_ptr, pt->buf_ptr, + (uint32_t)pt->u_buf); + } +} + return 0; +} +#endif + +#endif /* LIBBSP_BEATNIK_BSP_H */ diff --git a/rtemsbsd/sys/dev/mve/if_mve_nexus.c b/rtemsbsd/sys/dev/mve/if_mve_nexus.c new file mode 100644 index 00000000..be9433da --- /dev/null +++ b/rtemsbsd/sys/dev/mve/if_mve_nexus.c @@ -0,0 +1,935 @@ +/* RTEMS driver for the mv643xx gigabit ethernet chip */ + +/* Acknowledgement: + * + * Valuable information for developing this driver was obtained + * from the linux open-source driver mv643xx_eth.c which was written + * by the following people and organizations: + * + * Matthew Dharm <mdharm@momenco.com> + * rabeeh@galileo.co.il + * PMC-Sierra, Inc., Manish Lachwani + * Ralf Baechle <ralf@linux-mips.org> + * MontaVista Software, Inc., Dale Farnsworth <dale@farnsworth.org> + * Steven J. Hill <sjhill1@rockwellcollins.com>/<sjhill@realitydiluted.com> + * + * Note however, that in spite of the identical name of this file + * (and some of the symbols used herein) this file provides a + * new implementation and is the original work by the author. + */ + +/* + * Authorship + * ---------- + * This software (mv643xx ethernet driver for RTEMS) was + * created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007, + * Stanford Linear Accelerator Center, Stanford University. + * + * Acknowledgement of sponsorship + * ------------------------------ + * The 'mv643xx ethernet driver for RTEMS' was produced by + * the Stanford Linear Accelerator Center, Stanford University, + * under Contract DE-AC03-76SFO0515 with the Department of Energy. + * + * Government disclaimer of liability + * ---------------------------------- + * Neither the United States nor the United States Department of Energy, + * nor any of their employees, makes any warranty, express or implied, or + * assumes any legal liability or responsibility for the accuracy, + * completeness, or usefulness of any data, apparatus, product, or process + * disclosed, or represents that its use would not infringe privately owned + * rights. + * + * Stanford disclaimer of liability + * -------------------------------- + * Stanford University makes no representations or warranties, express or + * implied, nor assumes any liability for the use of this software. + * + * Stanford disclaimer of copyright + * -------------------------------- + * Stanford University, owner of the copyright, hereby disclaims its + * copyright and all other rights in this software. Hence, anyone may + * freely use it for any purpose without restriction. + * + * Maintenance of notices + * ---------------------- + * In the interest of clarity regarding the origin and status of this + * SLAC software, this and all the preceding Stanford University notices + * are to remain affixed to any copy or derivative of this software made + * or distributed by the recipient and are to be affixed to any copy of + * software made or distributed by the recipient that contains a copy or + * derivative of this software. + * + * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03 + */ + +/* Nexus port by Till Straumann, <till.straumann@psi.ch>, 3/2021 */ + +#include <machine/rtems-bsd-kernel-space.h> +#include <bsp.h> + +#ifdef LIBBSP_BEATNIK_BSP_H + +#include <sys/types.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <sys/module.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <sys/sockio.h> +#include <net/if.h> +#include <net/if_types.h> +#include <net/if_var.h> +#include <net/if_dl.h> +#include <net/if_media.h> +#include <net/ethernet.h> +#include <dev/mii/mii.h> +#include <dev/mii/miivar.h> +#include <rtems/bsd/local/miibus_if.h> +#include <stdio.h> +#include <bsp/mv643xx_eth.h> + +#define DRVNAME "mv63xx_nexus" + +#undef MVETH_DEBUG + +/* Define default ring sizes */ + +#undef MVETH_TESTING + +#ifdef MVETH_TESTING +/* hard and small defaults */ +#define MV643XX_RX_RING_SIZE 2 +#define MV643XX_TX_QUEUE_SIZE 4 +#define MV643XX_BD_PER_PACKET 1 +#define TX_LOWWATER 1 + +#else /* MVETH_TESTING */ + +#define MV643XX_RX_RING_SIZE 40 /* attached buffers are always 2k clusters, i.e., this + * driver - with a configured ring size of 40 - constantly + * locks 80k of cluster memory - your app config better + * provides enough space! + */ +#define MV643XX_TX_QUEUE_SIZE 40 +#define MV643XX_BD_PER_PACKET 10 +#define TX_LOWWATER (4*(MV643XX_BD_PER_PACKET)) +#endif /* MVETH_TESTING */ + +/* NOTE: tx ring size MUST be > max. # of fragments / mbufs in a chain; + * I observed chains of >17 entries regularly! + */ +#define MV643XX_TX_RING_SIZE ((MV643XX_TX_QUEUE_SIZE) * (MV643XX_BD_PER_PACKET)) + +/* The chip puts the ethernet header at offset 2 into the buffer so + * that the payload is aligned + */ +#define ETH_RX_OFFSET 2 +#define ETH_CRC_LEN 4 /* strip FCS at end of packet */ + +#ifndef __PPC__ +#error "Dont' know how to deal with cache on this CPU architecture" +#endif + +/* Ring entries are 32 bytes; coherency-critical chunks are 16 -> software coherency + * management works for cache line sizes of 16 and 32 bytes only. If the line size + * is bigger, the descriptors could be padded... + */ +#if !defined(PPC_CACHE_ALIGNMENT) +#error "PPC_CACHE_ALIGNMENT not defined" +#elif PPC_CACHE_ALIGMENT != 16 && PPC_CACHE_ALIGNMENT != 32 +#error "Cache line size must be 16 or 32" +#else +#define RX_BUF_ALIGNMENT PPC_CACHE_ALIGNMENT +#endif + +/* HELPER MACROS */ + +/* Align base to alignment 'a' */ +#define MV643XX_ALIGN(b, a) ((((uint32_t)(b)) + (a)-1) & (~((a)-1))) + + +#define IRQ_EVENT RTEMS_EVENT_0 +#define TX_EVENT RTEMS_EVENT_1 + +/* Hacks -- FIXME */ +rtems_id +rtems_bsdnet_newproc (char *name, int stacksize, void(*entry)(void *), void *arg); +#define SIO_RTEMS_SHOW_STATS _IO('i', 250) + +#define MVE643XX_DUMMY_PHY 0 /* phy is defined by low-level driver */ + +struct mve_enet_softc { + device_t dev; + struct ifnet *ifp; + device_t miibus; + struct mii_data *mii_softc; + struct mveth_private *mp; + struct mtx mtx; + struct callout wdCallout; + rtems_id daemonTid; + int oif_flags; +}; + +static struct mve_enet_softc * ifaces[MV643XXETH_NUM_DRIVER_SLOTS] = { 0 }; + +typedef struct MveMbufIter { + MveEthBufIter it; + struct mbuf *next; + struct mbuf *head; +} MveMbufIter; + +/* Forward Declarations */ +struct mve_enet_softc; + +static void +mve_media_status(struct ifnet *ifp, struct ifmediareq *ifmr); + +static int +mve_media_change(struct ifnet *ifp); + +static void +mve_set_filters(struct ifnet *ifp); + +static int +xlateMediaFlags(const struct mii_data *mid); + +static void +mve_ack_link_change(struct mve_enet_softc *sc); + +static __inline__ void +mve_send_event(struct mve_enet_softc *sc, rtems_event_set ev) +{ +rtems_status_code st; + if ( RTEMS_SUCCESSFUL != (st = rtems_event_send(sc->daemonTid, ev)) ) { + printk(DRVNAME": rtems_event_send returned 0x%08x (TID: 0x%08x, sc: 0x%08x)\n", st, sc->daemonTid, sc); + rtems_panic(DRVNAME": rtems_event_send() failed!\n"); + } +} + +static __inline__ void +mve_lock(struct mve_enet_softc *sc, const char *from) +{ + mtx_lock( & sc->mtx ); +/*printk("L V %s\n", from);*/ +} + +static __inline__ void +mve_unlock(struct mve_enet_softc *sc, const char *from) +{ +/*printk("L ^ %s\n", from);*/ + mtx_unlock( & sc->mtx ); +} + +static int +mve_probe(device_t dev) +{ + int unit = device_get_unit(dev); + int err; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_probe (entering)\n"); +#endif + + if ( unit >= 0 && unit < MV643XXETH_NUM_DRIVER_SLOTS ) { + err = BUS_PROBE_DEFAULT; + } else { + err = ENXIO; + } + + return err; +} + +/* + * starting at 'm' scan the buffer chain until we + * find a non-empty buffer (which we return) + */ +static __inline__ struct mbuf * +skipEmpty(struct mbuf *m) +{ + while ( m && ( 0 == m->m_len ) ) { + m = m->m_next; + } + return m; +} + +/* + * Record a buffer's info in the low-leve driver 'iterator' struct. + * Also scan ahead to find the next non-empty buffer (store it in + * the iterator's 'next' field). This info is needed because we + * want to know if 'this' buffer is the last (non-empty!) one + * in a chain. + * + * On entry 'it->next' identifies 'this' buffer and on return + * 'it->next' points to the next non-empty buffer. + */ +static MveEthBufIter * +nextBuf(MveEthBufIter *arg) +{ +MveMbufIter *it = (MveMbufIter*)arg; +struct mbuf *m; + /* If 'this' buffer is non-null */ + if ( (m = it->next) ) { + /* find next non-empty buffer */ + it->next = skipEmpty( m->m_next ); + /* record 'this' buffer's info */ + it->it.data = mtod(m, void*); + it->it.len = m->m_len; + /* if there is a non-empty buffer after 'this' uptr is NULL + * if this is tha last buffer in a chain then record the + * head of the chain in the uptr (for eventual cleanup + * by release_tx_mbuf()). + */ + it->it.uptr = it->next ? 0 : it->head; + return (MveEthBufIter*)it; + } + return 0; +} + +/* + * Initialize the iterator struct + */ +static MveEthBufIter * +initIter(MveMbufIter *it, struct mbuf *m) +{ + /* record the head of the chain */ + it->head = m; + /* initialize 'next' field to the first non-empty buffer. + * This may be NULL if the chain is entirely empty but + * that is handled correctly. + */ + it->next = skipEmpty( m ); + /* Fill with first buf info */ + return nextBuf( &it->it ); +} + +static int +mve_send_mbuf( struct mve_enet_softc *sc, struct mbuf *m_head ) +{ +MveMbufIter iter; +int rval; + + if ( ! m_head ) { + return 0; + } + + if ( ! initIter( &iter, m_head ) ) { + /* completely empty chain */ + m_freem( m_head ); + return 0; + } + + rval = BSP_mve_send_buf_chain( sc->mp, nextBuf, &iter.it ); + + return rval; +} + +static void +mve_isr(void *closure) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*)closure; +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_isr; posting event to %x\n", sc->daemonTid); +#endif + BSP_mve_disable_irqs( sc->mp ); + mve_send_event( sc, IRQ_EVENT ); +} + +static void +mve_stop(struct mve_enet_softc *sc) +{ + BSP_mve_stop_hw( sc->mp ); + /* clear IF flags */ + if_setdrvflagbits(sc->ifp, 0, (IFF_DRV_OACTIVE | IFF_DRV_RUNNING)); +} + +static void +mve_set_filters(struct ifnet *ifp) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) if_getsoftc( ifp ); +int iff = if_getflags(ifp); +struct ifmultiaddr *ifma; +unsigned char *lladdr; + + BSP_mve_promisc_set( sc->mp, !!(iff & IFF_PROMISC)); + + if ( iff & (IFF_PROMISC | IFF_ALLMULTI) ) { + BSP_mve_mcast_filter_accept_all(sc->mp); + } else { + BSP_mve_mcast_filter_clear( sc->mp ); + + if_maddr_rlock( ifp ); + + CK_STAILQ_FOREACH( ifma, &ifp->if_multiaddrs, ifma_link ) { + + if ( ifma->ifma_addr->sa_family != AF_LINK ) { + continue; + } + + lladdr = LLADDR((struct sockaddr_dl *) ifma->ifma_addr); + + BSP_mve_mcast_filter_accept_add( sc->mp, lladdr ); + + } + + if_maddr_runlock( ifp ); + } +} + +/* Daemon task does all the 'interrupt' work */ +static void +mve_daemon(void *arg) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) arg; +struct ifnet *ifp = sc->ifp; +rtems_event_set evs; +struct mbuf *m; +int avail; +int sndStat; +uint32_t irqstat; + +#ifdef MVETH_DEBUG + printk(DRVNAME": bsdnet mveth_daemon started\n"); +#endif + + mve_lock( sc, "daemon" ); + + for (;;) { + + mve_unlock( sc, "daemon" ); + if ( RTEMS_SUCCESSFUL != rtems_event_receive( (IRQ_EVENT | TX_EVENT), (RTEMS_WAIT | RTEMS_EVENT_ANY), RTEMS_NO_TIMEOUT, &evs ) ) { + rtems_panic(DRVNAME": rtems_event_receive() failed!\n"); + } + mve_lock( sc, "daemon" ); + +#ifdef MVETH_DEBUG + printk(DRVNAME": bsdnet mveth_daemon event received 0x%x\n", evs); +#endif + + if ( !(if_getflags(ifp) & IFF_UP) ) { + mve_stop(sc); + /* clear flag */ + if_setdrvflagbits(sc->ifp, 0, IFF_DRV_RUNNING); + continue; + } + + if ( ! (if_getdrvflags(ifp) & IFF_DRV_RUNNING) ) { + /* event could have been pending at the time hw was stopped; + * just ignore... + */ + continue; + } + + if ( (evs & IRQ_EVENT) ) { + irqstat = BSP_mve_ack_irqs(sc->mp); + } else { + irqstat = 0; + } + + if ( (MV643XX_ETH_EXT_IRQ_LINK_CHG & irqstat) && sc->mii_softc ) { + /* phy status changed */ + mii_pollstat( sc->mii_softc ); + } + + /* free tx chain and send */ + if ( (evs & TX_EVENT) || (MV643XX_ETH_EXT_IRQ_TX_DONE & irqstat) ) { + while ( (avail = BSP_mve_swipe_tx( sc->mp )) > TX_LOWWATER ) { + IF_DEQUEUE( &ifp->if_snd, m ); + if ( ! m ) { + /* clear active bit */ + if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); + break; + } + sndStat = mve_send_mbuf( sc, m ); + if ( sndStat < 0 ) { + /* maybe not enough space right now; requeue and wait for next IRQ */ + IF_PREPEND( &ifp->if_snd, m ); + break; + } + } + } + if ( (MV643XX_ETH_IRQ_RX_DONE & irqstat) ) { + BSP_mve_swipe_rx(sc->mp); + } + + BSP_mve_enable_irqs(sc->mp); + } + + mve_unlock( sc, "daemon (xit)" ); +} + +static void +release_tx_mbuf(void *user_buf, void *closure, int error_on_tx_occurred) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*)closure; +struct ifnet *ifp = sc->ifp; +struct mbuf *mb = (struct mbuf*)user_buf; + + if ( error_on_tx_occurred ) { + if_inc_counter( ifp, IFCOUNTER_OERRORS, 1 ); + } else { + if_inc_counter( ifp, IFCOUNTER_OPACKETS, 1 ); + if_inc_counter( ifp, IFCOUNTER_OBYTES, mb->m_pkthdr.len ); + } + m_freem(mb); +} + +static void * +alloc_rx_mbuf(int *p_size, uintptr_t *p_data) +{ +struct mbuf *m; +unsigned long l,o; + + m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); + + if ( m ) { + + o = mtod(m, unsigned long); + l = MV643XX_ALIGN(o, RX_BUF_ALIGNMENT) - o; + + /* align start of buffer */ + m->m_data += l; + + /* reduced length */ + l = MCLBYTES - l; + + m->m_len = m->m_pkthdr.len = l; + *p_size = m->m_len; + *p_data = mtod(m, uintptr_t); + } + + return (void*) m; +} + + +static void +consume_rx_mbuf(void *user_buf, void *closure, int len) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*)closure; +struct ifnet *ifp = sc->ifp; +struct mbuf *m = (struct mbuf*)user_buf; + + if ( len <= 0 ) { + if_inc_counter( ifp, IFCOUNTER_IQDROPS, 1 ); + if ( len < 0 ) { + if_inc_counter( ifp, IFCOUNTER_IERRORS, 1 ); + } + m_freem(m); + } else { + m->m_len = m->m_pkthdr.len = len - ETH_RX_OFFSET - ETH_CRC_LEN; + m->m_data += ETH_RX_OFFSET; + m->m_pkthdr.rcvif = ifp; + + if_inc_counter( ifp, IFCOUNTER_IPACKETS, 1 ); + if_inc_counter( ifp, IFCOUNTER_IBYTES, m->m_pkthdr.len ); + + if (0) { + /* Low-level debugging */ + int i; + for (i=0; i<m->m_len; i++) { + if ( !(i&15) ) + printk("\n"); + printk("0x%02x ",mtod(m,char*)[i]); + } + printk("\n"); + } + + mve_unlock( sc, "rx_cleanup" ); + (*ifp->if_input)(ifp, m); + mve_lock( sc, "rx_cleanup" ); + } +} + +/* Translate IFFLAGS to low-level driver representation */ +static int +xlateMediaFlags(const struct mii_data *mid) +{ +int lowLevelFlags = 0; +int msk = IFM_AVALID | IFM_ACTIVE; + + if ( (mid->mii_media_status & msk) == msk ) { + lowLevelFlags |= MV643XX_MEDIA_LINK; + + if ( IFM_OPTIONS( mid->mii_media_active ) & IFM_FDX ) { + lowLevelFlags |= MV643XX_MEDIA_FD; + } + + switch ( IFM_ETHER_SUBTYPE_GET( mid->mii_media_active ) ) { + default: +#ifdef MVETH_DEBUG + printk(DRVNAME"xlateMediaFlags: UNKNOWN SPEED\n"); +#endif + break; /* UNKNOWN -- FIXME */ + case IFM_10_T: +#ifdef MVETH_DEBUG + printk(DRVNAME"xlateMediaFlags: 10baseT\n"); +#endif + lowLevelFlags |= MV643XX_MEDIA_10; + break; + case IFM_100_TX: +#ifdef MVETH_DEBUG + printk(DRVNAME"xlateMediaFlags: 100baseT\n"); +#endif + lowLevelFlags |= MV643XX_MEDIA_100; + break; + case IFM_1000_T: +#ifdef MVETH_DEBUG + printk(DRVNAME"xlateMediaFlags: 1000baseT\n"); +#endif + lowLevelFlags |= MV643XX_MEDIA_1000; + break; + } + } else { +#ifdef MVETH_DEBUG + printk(DRVNAME"xlateMediaFlags: NO LINK\n"); +#endif + } + return lowLevelFlags; +} + +static void +mve_init(void *arg) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*)arg; +struct ifnet *ifp = sc->ifp; +int lowLevelMediaStatus = 0; +int promisc; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_init (entering)\n"); +#endif + + if ( sc->mii_softc ) { + mii_pollstat( sc->mii_softc ); + lowLevelMediaStatus = xlateMediaFlags( sc->mii_softc ); + if ( (lowLevelMediaStatus & MV643XX_MEDIA_LINK) ) { + if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); + } else { + if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); + } + } + + promisc = !! (if_getdrvflags(ifp) & IFF_PROMISC); + + BSP_mve_init_hw(sc->mp, promisc, if_getlladdr(ifp), lowLevelMediaStatus); + + /* if promiscuous then there is no need to change */ + if ( ! promisc ) { + mve_set_filters(ifp); + } + + + if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); +} + +static void +mve_start(struct ifnet *ifp) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) if_getsoftc( ifp ); + mve_lock( sc, "mve_start" ); + if_setdrvflagbits(ifp, IFF_DRV_OACTIVE, 0); + mve_unlock( sc, "mve_start" ); + mve_send_event( sc, TX_EVENT ); +} + +static int +mve_ioctl(struct ifnet *ifp, ioctl_command_t cmd, caddr_t data) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) if_getsoftc( ifp ); +struct ifreq *ifr = (struct ifreq *)data; +int err = 0; +int f, df; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_ioctl (entering)\n"); +#endif + + mve_lock( sc, "mve_ioctl" ); + + switch ( cmd ) { + case SIOCSIFFLAGS: + f = if_getflags( ifp ); + df = if_getdrvflags( ifp ); + if ( (f & IFF_UP) ) { + if ( ! ( df & IFF_DRV_RUNNING ) ) { + mve_init( (void*)sc ); + } else { + if ( (f & IFF_PROMISC) != (sc->oif_flags & IFF_PROMISC) ) { + mve_set_filters(ifp); + } + /* FIXME: other flag changes are ignored/unimplemented */ + } + } else { + if ( df & IFF_DRV_RUNNING ) { + mve_stop(sc); + } + } + sc->oif_flags = f; + break; + + case SIOCGIFMEDIA: + case SIOCSIFMEDIA: + if ( sc->mii_softc ) { + err = ifmedia_ioctl( ifp, ifr, &sc->mii_softc->mii_media, cmd ); + } else { + err = EINVAL; + } + break; + + case SIOCADDMULTI: + case SIOCDELMULTI: + if ( if_getdrvflags( ifp ) & IFF_DRV_RUNNING ) { + mve_set_filters(ifp); + } + break; + + case SIO_RTEMS_SHOW_STATS: + BSP_mve_dump_stats(sc->mp, stdout); + break; + + default: + err = ether_ioctl(ifp, cmd, data); + break; + } + + mve_unlock( sc, "mve_ioctl" ); + + return err; +} + +/* SIO RTEMS_SHOW_STATS is too cumbersome to use -- for debugging, provide direct hack */ +int +mv643xx_nexus_dump_stats(int unit, FILE *f) +{ + if ( unit < 0 || unit >= MV643XXETH_NUM_DRIVER_SLOTS || ! ifaces[unit] ) + return -EINVAL; + if ( ! f ) + f = stdout; + BSP_mve_dump_stats(ifaces[unit]->mp, f); + return 0; +} + +/* + * Used to update speed settings in the hardware + * when the phy setup changes. + * + * ASSUME: caller holds lock + */ +static void +mve_ack_link_change(struct mve_enet_softc *sc) +{ +struct mii_data *mii = sc->mii_softc; +int lowLevelMediaStatus; + + if ( !mii ) + return; + + lowLevelMediaStatus = xlateMediaFlags( mii ); + + if ( (lowLevelMediaStatus & MV643XX_MEDIA_LINK) ) { + BSP_mve_update_serial_port( sc->mp, lowLevelMediaStatus ); + if_setdrvflagbits( sc->ifp, 0, IFF_DRV_OACTIVE ); + mve_start( sc->ifp ); + } else { + if_setdrvflagbits( sc->ifp, IFF_DRV_OACTIVE, 0 ); + } +} + +/* Callback from ifmedia_ioctl() + * + * Caller probably holds the lock already but + * since it is recursive we may as well make sure + * in case there are other possible execution paths. + */ +static int +mve_media_change(struct ifnet *ifp) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) if_getsoftc( ifp ); +struct mii_data *mii = sc->mii_softc; +int err; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_media_change\n"); +#endif + + if ( ! mii ) { + return ENXIO; + } + + err = mii_mediachg( mii ); + + return err; +} + +static void +mve_media_status(struct ifnet *ifp, struct ifmediareq *ifmr) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) if_getsoftc( ifp ); +struct mii_data *mii = sc->mii_softc; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_media_status\n"); +#endif + + if ( mii ) { + mii_pollstat( mii ); + ifmr->ifm_active = mii->mii_media_active; + ifmr->ifm_status = mii->mii_media_status; + } +} + +static int +mve_attach(device_t dev) +{ +struct mve_enet_softc *sc; +struct ifnet *ifp; +uint8_t hwaddr[ETHER_ADDR_LEN]; +struct mveth_private *mp; +int unit = device_get_unit(dev); +int tx_ring_size = MV643XX_TX_RING_SIZE; +int rx_ring_size = MV643XX_RX_RING_SIZE; +int tx_q_size = MV643XX_TX_QUEUE_SIZE; + + sc = device_get_softc( dev ); + sc->dev = dev; + sc->ifp = ifp = if_alloc(IFT_ETHER); + sc->daemonTid = 0; + sc->mii_softc = 0; + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_attach (entering)\n"); +#endif + + mtx_init( &sc->mtx, device_get_nameunit( sc->dev ), MTX_NETWORK_LOCK, MTX_RECURSE ); + callout_init_mtx( &sc->wdCallout, &sc->mtx, 0 ); + + if_setsoftc ( ifp, sc ); + if_initname ( ifp, device_get_name(dev), unit); + if_setinitfn ( ifp, mve_init ); + if_setioctlfn ( ifp, mve_ioctl ); + if_setstartfn ( ifp, mve_start ); + if_setflags ( ifp, (IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX) ); + sc->oif_flags = if_getflags( ifp ); + + if_setsendqlen ( ifp, tx_q_size ); + if_setsendqready( ifp ); + + mp = BSP_mve_create( + unit + 1, /* low-level driver' unit numbers are 1-based */ + 0, + mve_isr, (void*)sc, + release_tx_mbuf, (void*)sc, + alloc_rx_mbuf, + consume_rx_mbuf, (void*)sc, + rx_ring_size, + tx_ring_size, + ( MV643XX_ETH_IRQ_RX_DONE + | MV643XX_ETH_EXT_IRQ_TX_DONE + | MV643XX_ETH_EXT_IRQ_LINK_CHG)); + + if ( ! mp ) { + rtems_panic("Unable to create mv643xx low-level driver"); + } + + sc->mp = mp; + + BSP_mve_read_eaddr( mp, hwaddr ); + + if ( 0 == mii_attach( sc->dev, + &sc->miibus, + ifp, + mve_media_change, + mve_media_status, + BMSR_DEFCAPMASK, + MVE643XX_DUMMY_PHY, + MII_OFFSET_ANY, + 0 ) ) { + sc->mii_softc = device_get_softc( sc->miibus ); + } + + sc->daemonTid = rtems_bsdnet_newproc("MVE", 4096, mve_daemon, (void*)sc); + + ether_ifattach( ifp, hwaddr ); + +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_attach (leaving)\n"); +#endif + + ifaces[unit] = sc; + + return 0; +} + +static int +mve_miibus_read_reg(device_t dev, int phy, int reg) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) device_get_softc(dev); + + /* low-level driver knows what phy to use; ignore arg */ + return (int) BSP_mve_mii_read( sc->mp, reg ); +} + +static int +mve_miibus_write_reg(device_t dev, int phy, int reg, int val) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) device_get_softc(dev); + + /* low-level driver knows what phy to use; ignore arg */ + BSP_mve_mii_write( sc->mp, reg, val ); + return 0; +} + +static void +mve_miibus_statchg(device_t dev) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) device_get_softc(dev); +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_miibus_statchg\n"); +#endif + /* assume this ends up being called either from the ioctl or the driver + * task -- either of which holds the lock. + */ + mve_ack_link_change( sc ); +} + +static void +mve_miibus_linkchg(device_t dev) +{ +struct mve_enet_softc *sc = (struct mve_enet_softc*) device_get_softc(dev); +#ifdef MVETH_DEBUG + printk(DRVNAME": mve_miibus_linkchg\n"); +#endif + /* assume this ends up being called either from the ioctl or the driver + * task -- either of which holds the lock. + */ + mve_ack_link_change( sc ); +} + + +static device_method_t mve_methods[] = { + DEVMETHOD(device_probe, mve_probe ), + DEVMETHOD(device_attach, mve_attach), + + DEVMETHOD(miibus_readreg, mve_miibus_read_reg ), + DEVMETHOD(miibus_writereg, mve_miibus_write_reg), + DEVMETHOD(miibus_statchg , mve_miibus_statchg ), + DEVMETHOD(miibus_linkchg , mve_miibus_linkchg ), + + DEVMETHOD_END +}; + +static driver_t mve_nexus_driver = { + "mve", + mve_methods, + sizeof( struct mve_enet_softc ) +}; + +static devclass_t mve_devclass; + +DRIVER_MODULE(mve, nexus, mve_nexus_driver, mve_devclass, 0, 0); +DRIVER_MODULE(miibus, mve, miibus_driver, miibus_devclass, 0, 0); + +MODULE_DEPEND(mve, nexus, 1, 1, 1); +MODULE_DEPEND(mve, ether, 1, 1, 1); + +#endif /* LIBBSP_BEATNIK_BSP_H */ diff --git a/rtemsbsd/sys/dev/stmac/if_stmac.c b/rtemsbsd/sys/dev/stmac/if_stmac.c index 614c51b9..7e3e07c7 100644 --- a/rtemsbsd/sys/dev/stmac/if_stmac.c +++ b/rtemsbsd/sys/dev/stmac/if_stmac.c @@ -40,6 +40,7 @@ #include <sys/module.h> #include <sys/socket.h> #include <sys/sockio.h> +#include <sys/gsb_crc32.h> #include <net/if.h> #include <net/ethernet.h> diff --git a/rtemsbsd/sys/dev/usb/controller/ohci_lpc32xx.c b/rtemsbsd/sys/dev/usb/controller/ohci_lpc32xx.c index c7c09bb4..d02bba98 100755 --- a/rtemsbsd/sys/dev/usb/controller/ohci_lpc32xx.c +++ b/rtemsbsd/sys/dev/usb/controller/ohci_lpc32xx.c @@ -71,6 +71,7 @@ __FBSDID("$FreeBSD$"); #include <dev/usb/controller/ohci.h> #include <dev/usb/controller/ohcireg.h> +#include <arm/lpc/probe.h> #include <arm/lpc/lpcreg.h> #include <arm/lpc/lpcvar.h> @@ -90,7 +91,7 @@ __FBSDID("$FreeBSD$"); while ((lpc_otg_read_4(_sc, _sreg) & _value) != _value); \ } while (0); -static int lpc_ohci_probe(device_t dev); +static int lpc_ohci_do_probe(device_t dev); static int lpc_ohci_attach(device_t dev); static int lpc_ohci_detach(device_t dev); @@ -107,12 +108,20 @@ static int lpc_otg_i2c_wait_for_transaction_done(struct ohci_softc *sc); static int lpc_otg_i2c_read(const struct usb_otg_transceiver *self, uint8_t reg_addr, uint8_t *value); static int lpc_otg_i2c_write(const struct usb_otg_transceiver *self, uint8_t reg_addr, uint8_t value); +__weak_symbol int +lpc_ohci_probe(int unit) +{ + + (void)unit; + return (BUS_PROBE_DEFAULT); +} + static int -lpc_ohci_probe(device_t dev) +lpc_ohci_do_probe(device_t dev) { device_set_desc(dev, "LPC32x0 USB OHCI controller"); - return (BUS_PROBE_DEFAULT); + return (lpc_ohci_probe(device_get_unit(dev))); } static int @@ -473,7 +482,7 @@ lpc_ohci_resume(device_t dev) static device_method_t lpc_ohci_methods[] = { /* Device interface */ - DEVMETHOD(device_probe, lpc_ohci_probe), + DEVMETHOD(device_probe, lpc_ohci_do_probe), DEVMETHOD(device_attach, lpc_ohci_attach), DEVMETHOD(device_detach, lpc_ohci_detach), DEVMETHOD(device_suspend, bus_generic_suspend), diff --git a/rtemsbsd/sys/net/if_ppp.c b/rtemsbsd/sys/net/if_ppp.c index 709f13e0..e134dc76 100644 --- a/rtemsbsd/sys/net/if_ppp.c +++ b/rtemsbsd/sys/net/if_ppp.c @@ -313,11 +313,12 @@ static rtems_task ppp_txdaemon(rtems_task_argument arg) frag=0; /* initialize output values */ - sc->sc_outfcs = PPP_INITFCS; - sc->sc_outbuf = (u_char *)0; - sc->sc_outlen = (short )0; - sc->sc_outoff = (short )0; - sc->sc_outfcslen = (short )0; + sc->sc_outfcs = PPP_INITFCS; + sc->sc_outbuf = (u_char *)0; + sc->sc_outlen = (short )0; + sc->sc_outoff = (short )0; + sc->sc_outoff_update = false; + sc->sc_outfcslen = (short )0; /* printf("Start Transmit Packet..\n"); */ diff --git a/rtemsbsd/sys/net/if_pppvar.h b/rtemsbsd/sys/net/if_pppvar.h index fdfb56df..bd11bcbc 100644 --- a/rtemsbsd/sys/net/if_pppvar.h +++ b/rtemsbsd/sys/net/if_pppvar.h @@ -117,6 +117,7 @@ struct ppp_softc { struct ifqueue sc_freeq; /* free packets */ short sc_outoff; /* output packet byte offset */ + bool sc_outoff_update; /* outoff needs update in pppstart */ short sc_outflag; /* output status flag */ short sc_outlen; /* length of output packet */ short sc_outfcslen; /* length of output fcs data */ diff --git a/rtemsbsd/sys/net/ppp_tty.c b/rtemsbsd/sys/net/ppp_tty.c index 80d4fee1..2e850dc7 100644 --- a/rtemsbsd/sys/net/ppp_tty.c +++ b/rtemsbsd/sys/net/ppp_tty.c @@ -124,7 +124,7 @@ int pppread(struct rtems_termios_tty *tty, rtems_libio_rw_args_t *rw_args); int pppwrite(struct rtems_termios_tty *tty, rtems_libio_rw_args_t *rw_args); int ppptioctl(struct rtems_termios_tty *tty, rtems_libio_ioctl_args_t *args); int pppinput(int c, struct rtems_termios_tty *tty); -int pppstart(struct rtems_termios_tty *tp); +int pppstart(struct rtems_termios_tty *tp, int len); u_short pppfcs(u_short fcs, u_char *cp, int len); void pppallocmbuf(struct ppp_softc *sc, struct mbuf **mp); @@ -557,7 +557,7 @@ pppasyncctlp( * Called at spltty or higher. */ int -pppstart(struct rtems_termios_tty *tp) +pppstart(struct rtems_termios_tty *tp, int len) { u_char *sendBegin; u_long ioffset = (u_long )0; @@ -567,6 +567,13 @@ pppstart(struct rtems_termios_tty *tp) /* ensure input is valid and we are busy */ if (( sc != NULL ) && ( sc->sc_outflag & SC_TX_BUSY )) { + /* Adapt offsets if necessary */ + if ( sc->sc_outoff_update ) { + sc->sc_stats.ppp_obytes += len; + sc->sc_outoff += len; + sc->sc_outoff_update = false; + } + /* check to see if we need to get the next buffer */ /* Ready with PPP_FLAG Character ? */ @@ -644,8 +651,25 @@ pppstart(struct rtems_termios_tty *tp) /* write out the character(s) and update the stats */ (*tp->handler.write)(ctx, (char *)sendBegin, (ioffset > 0) ? ioffset : 1); - sc->sc_stats.ppp_obytes += (ioffset > 0) ? ioffset : 1; - sc->sc_outoff += ioffset; + /* + * In case of polled drivers, everything is sent here. So adapt the + * offsets. In case of interrupt or task driven drivers, we don't know + * whether all characters have been sent. We only get feedback via + * rtems_termios_dequeue_characters() function which is the one that is + * calling us. + */ + if (tp->handler.mode == TERMIOS_POLLED) { + sc->sc_stats.ppp_obytes += (ioffset > 0) ? ioffset : 1; + sc->sc_outoff += ioffset; + sc->sc_outoff_update = false; + } else { + if (ioffset > 0) { + sc->sc_outoff_update = true; + } else { + sc->sc_outoff_update = false; + sc->sc_stats.ppp_obytes += 1; + } + } return (0); } diff --git a/testsuite/dhcpcd01/test_main.c b/testsuite/dhcpcd01/test_main.c index c1d97a3f..b982bfc9 100644 --- a/testsuite/dhcpcd01/test_main.c +++ b/testsuite/dhcpcd01/test_main.c @@ -44,6 +44,7 @@ #include <rtems/dhcpcd.h> #define TEST_NAME "LIBBSD DHCPCD 1" +#define TEST_STATE_USER_INPUT 1 static void dhcpcd_hook_handler(rtems_dhcpcd_hook *hook, char *const *env) @@ -67,9 +68,7 @@ test_main(void) { rtems_dhcpcd_add_hook(&dhcpcd_hook); - - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_DHCPCD_ENABLE diff --git a/testsuite/dhcpcd02/test_main.c b/testsuite/dhcpcd02/test_main.c index 221b096f..cbfd0846 100644 --- a/testsuite/dhcpcd02/test_main.c +++ b/testsuite/dhcpcd02/test_main.c @@ -40,12 +40,13 @@ #include <rtems.h> #define TEST_NAME "LIBBSD DHCPCD 2" +#define TEST_STATE_USER_INPUT 1 static void test_main(void) { - rtems_task_delete(RTEMS_SELF); - assert(0); + + rtems_task_exit(); } #define DEFAULT_NETWORK_DHCPCD_ENABLE diff --git a/testsuite/evdev01/init.c b/testsuite/evdev01/init.c index fe588ff4..5a8b0beb 100644 --- a/testsuite/evdev01/init.c +++ b/testsuite/evdev01/init.c @@ -341,7 +341,7 @@ evdev_scan_task(rtems_task_argument arg) } } otask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void @@ -401,7 +401,7 @@ err: } } ktask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void @@ -484,7 +484,7 @@ err: } } mtask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void @@ -561,7 +561,7 @@ err: } } ttask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void diff --git a/testsuite/foobarclient/test_main.c b/testsuite/foobarclient/test_main.c index d55b55c6..71b4774d 100644 --- a/testsuite/foobarclient/test_main.c +++ b/testsuite/foobarclient/test_main.c @@ -272,8 +272,7 @@ test_main(void) foobar_register(&question); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_DHCPCD_ENABLE diff --git a/testsuite/ftpd01/test_main.c b/testsuite/ftpd01/test_main.c index 7ec17b96..cc7e8a00 100644 --- a/testsuite/ftpd01/test_main.c +++ b/testsuite/ftpd01/test_main.c @@ -79,8 +79,7 @@ test_main(void) rv = rtems_initialize_ftpd(); assert(rv == 0); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_DHCPCD_ENABLE diff --git a/testsuite/loopback01/test_main.c b/testsuite/loopback01/test_main.c index 1b5c0064..51d5e5b2 100644 --- a/testsuite/loopback01/test_main.c +++ b/testsuite/loopback01/test_main.c @@ -133,7 +133,7 @@ static rtems_task workerTask(rtems_task_argument arg) if (close(s) < 0) printf("Can't close worker task socket: %s\n", strerror(errno)); printf("Worker task terminating.\n"); - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } /* @@ -230,7 +230,7 @@ static rtems_task clientTask(rtems_task_argument arg) clientWorker(arg); sendClientEventToMasterTask(arg); printf("Client task terminating.\n"); - rtems_task_delete( RTEMS_SELF ); + rtems_task_exit(); } /* diff --git a/testsuite/media01/test_main.c b/testsuite/media01/test_main.c index 2a1c9aae..001c80a8 100644 --- a/testsuite/media01/test_main.c +++ b/testsuite/media01/test_main.c @@ -201,6 +201,8 @@ early_initialization(void) #define CONFIGURE_FILESYSTEM_DOSFS +#define CONFIGURE_FILESYSTEM_TFTPFS + #define CONFIGURE_MAXIMUM_PROCESSORS 32 #define CONFIGURE_RECORD_PER_PROCESSOR_ITEMS 4096 diff --git a/testsuite/nfs01/test_main.c b/testsuite/nfs01/test_main.c index 2312040a..21d744d1 100644 --- a/testsuite/nfs01/test_main.c +++ b/testsuite/nfs01/test_main.c @@ -63,8 +63,7 @@ test_main(void) NULL); } while (rv != 0); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_SHELL diff --git a/testsuite/openssl02/test_main.c b/testsuite/openssl02/test_main.c index 32e9c03a..11229e58 100644 --- a/testsuite/openssl02/test_main.c +++ b/testsuite/openssl02/test_main.c @@ -46,6 +46,8 @@ #include <sysexits.h> #include <unistd.h> +#include <rtems/bsd/modules.h> + #include <machine/rtems-bsd-commands.h> #define TEST_NAME "LIBBSD OPENSSL 2" diff --git a/testsuite/pf02/test_main.c b/testsuite/pf02/test_main.c index 5941ea5a..dfb9847b 100644 --- a/testsuite/pf02/test_main.c +++ b/testsuite/pf02/test_main.c @@ -167,6 +167,7 @@ test_main(void) { rtems_status_code sc; int rv; + rtems_shell_env_t env; prepare_files(); @@ -176,9 +177,7 @@ test_main(void) rv = rtems_initialize_ftpd(); assert(rv == 0); - rtems_shell_env_t env; - - memset(&env, 0, sizeof(env)); + rtems_shell_dup_current_env(&env); rtems_shell_main_loop( &env ); exit(0); diff --git a/testsuite/ppp01/test_main.c b/testsuite/ppp01/test_main.c index d4baf5db..b6e9d4d7 100644 --- a/testsuite/ppp01/test_main.c +++ b/testsuite/ppp01/test_main.c @@ -272,8 +272,7 @@ test_main(void) rv = rtems_pppd_connect(); assert(rv == 0); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } RTEMS_BSD_DEFINE_NEXUS_DEVICE(ppp, 0, 0, NULL); diff --git a/testsuite/tcpdump01/test_main.c b/testsuite/tcpdump01/test_main.c new file mode 100644 index 00000000..0f31cdde --- /dev/null +++ b/testsuite/tcpdump01/test_main.c @@ -0,0 +1,292 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @brief Tests the tcpdump command. + */ + +/* + * Copyright (C) 2022 embedded brains GmbH + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +#include <sys/types.h> +#include <sys/socket.h> +#include <vm/uma.h> +#include <netinet/in.h> +#include <arpa/inet.h> +#include <err.h> + +#include <assert.h> +#include <ck_epoch.h> +#include <errno.h> +#include <limits.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <rtems.h> +#include <rtems/bsd/bsd.h> +#include <rtems/console.h> +#include <rtems/libcsupport.h> + +#include <machine/rtems-bsd-commands.h> + +#define TEST_NAME "LIBBSD TCPDUMP 1" + +typedef struct { + rtems_id main_id; + int sp[2]; +} test_context; + +static test_context test_instance; + +static void +epoch_cleanup(void) +{ + rtems_status_code sc; + + sc = rtems_task_wake_after(CK_EPOCH_LENGTH); + assert(sc == RTEMS_SUCCESSFUL); +} + +static void +init_addr(struct sockaddr_in *addr) +{ + int ok; + + memset(addr, 0, sizeof(*addr)); + addr->sin_family = AF_INET; + addr->sin_port = htons(1234); + ok = inet_aton("127.0.0.1", &addr->sin_addr); + assert(ok != 0); +} + +static rtems_id +start_task(rtems_task_entry entry, void *arg) +{ + rtems_task_priority prio; + rtems_id id; + rtems_status_code sc; + + sc = rtems_task_set_priority(RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &prio); + assert(sc == RTEMS_SUCCESSFUL); + + sc = rtems_task_create(rtems_build_name('T', 'E', 'S', 'T' ), prio - 1, + 32 * 1024, RTEMS_DEFAULT_MODES, RTEMS_DEFAULT_ATTRIBUTES, &id); + assert(sc == RTEMS_SUCCESSFUL); + + sc = rtems_task_start(id, entry, (rtems_task_argument)arg); + assert(sc == RTEMS_SUCCESSFUL); + + return id; +} + +static void +test_tcpdump_help(void) +{ + char *argv[] = { + "tcpdump", + "-h", + NULL + }; + rtems_resource_snapshot snapshot; + int exit_code; + + rtems_resource_snapshot_take(&snapshot); + + exit_code = rtems_bsd_command_tcpdump(RTEMS_BSD_ARGC(argv), argv); + assert(exit_code == 0); + + assert(rtems_resource_snapshot_check(&snapshot)); +} + +static const char raw_packets_file[] = "packets.bin"; + +static void +run_tcpdump_write_raw_packets(rtems_task_argument arg) +{ + test_context *ctx; + FILE *file; + FILE *saved_stdin; + FILE *saved_stdout; + FILE *saved_stderr; + int rv; + char *argv[] = { + "tcpdump", + "-n", + "-i", + "lo0", + "-w", + RTEMS_DECONST(char *, raw_packets_file), + NULL + }; + int exit_code; + rtems_status_code sc; + + ctx = (test_context *)arg; + + saved_stdin = stdin; + saved_stdout = stdout; + saved_stderr = stderr; + + file = fdopen(ctx->sp[1], "r+"); + assert(file != NULL); + + stdin = file; + stdout = file; + stderr = file; + + exit_code = rtems_bsd_command_tcpdump(RTEMS_BSD_ARGC(argv), argv); + assert(exit_code == 0); + + stdin = saved_stdin; + stdout = saved_stdout; + stderr = saved_stderr; + + rv = fclose(file); + assert(rv == 0); + + sc = rtems_event_transient_send(ctx->main_id); + assert(sc == RTEMS_SUCCESSFUL); + + rtems_task_exit(); +} + +static void +test_tcpdump_write_raw_packets(test_context *ctx) +{ + char *argv[] = { + "tcpdump", + "-n", + "-r", + RTEMS_DECONST(char *, raw_packets_file), + NULL + }; + rtems_resource_snapshot snapshot; + int in; + int out; + int rv; + char c; + ssize_t n; + struct sockaddr_in addr; + socklen_t addr_len; + rtems_status_code sc; + int exit_code; + + rtems_resource_snapshot_take(&snapshot); + + rv = socketpair(PF_UNIX, SOCK_STREAM, 0, ctx->sp); + assert(rv == 0); + + start_task(run_tcpdump_write_raw_packets, ctx); + + init_addr(&addr); + + in = socket(PF_INET, SOCK_DGRAM, 0); + assert(out >= 0); + + rv = bind(in, (const struct sockaddr *) &addr, sizeof(addr)); + assert(rv == 0); + + out = socket(PF_INET, SOCK_DGRAM, 0); + assert(out >= 0); + + c = 'x'; + n = sendto(out, &c, sizeof(c), 0, + (const struct sockaddr *) &addr, sizeof(addr)); + assert(n == 1); + + c = 'y'; + addr_len = sizeof(addr); + n = recvfrom(in, &c, sizeof(c), 0, + (struct sockaddr *) &addr, &addr_len); + assert(n == 1); + assert(c == 'x'); + + /* The tcpdump pcap read timeout is 1000ms */ + sc = rtems_task_wake_after(rtems_clock_get_ticks_per_second()); + assert(sc == RTEMS_SUCCESSFUL); + + c = 'q'; + n = write(ctx->sp[0], &c, sizeof(c)); + assert(n == 1); + + rv = close(out); + assert(rv == 0); + + rv = close(in); + assert(rv == 0); + + sc = rtems_event_transient_receive(RTEMS_WAIT, RTEMS_NO_TIMEOUT); + assert(sc == RTEMS_SUCCESSFUL); + + rv = close(ctx->sp[0]); + assert(rv == 0); + + exit_code = rtems_bsd_command_tcpdump(RTEMS_BSD_ARGC(argv), argv); + assert(exit_code == 0); + + rv = unlink(raw_packets_file); + assert(rv == 0); + + epoch_cleanup(); + assert(rtems_resource_snapshot_check(&snapshot)); +} + +static void +test_main(void) +{ + test_context *ctx; + FILE *file; + int rv; + + ctx = &test_instance; + ctx->main_id = rtems_task_self(); + + /* Fill dynamic file pool in Newlib */ + file = fopen(CONSOLE_DEVICE_NAME, "r+"); + assert(file != NULL); + rv = fclose(file); + assert(rv == 0); + + /* + * Stop interferences of uma_timeout() which may need some dynamic + * memory. + */ + rtems_uma_drain_timeout(); + + rtems_bsd_ifconfig_lo0(); + epoch_cleanup(); + + test_tcpdump_help(); + test_tcpdump_write_raw_packets(ctx); + + exit(0); +} + +#include <rtems/bsd/test/default-init.h> diff --git a/testsuite/telnetd01/test_main.c b/testsuite/telnetd01/test_main.c index 73d19c4e..d7e50a97 100644 --- a/testsuite/telnetd01/test_main.c +++ b/testsuite/telnetd01/test_main.c @@ -75,8 +75,7 @@ test_main(void) rtems_status_code sc = rtems_telnetd_initialize(); assert(sc == RTEMS_SUCCESSFUL); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_SHELL diff --git a/testsuite/thread01/test_main.c b/testsuite/thread01/test_main.c index 9d5e5bba..48b21452 100644 --- a/testsuite/thread01/test_main.c +++ b/testsuite/thread01/test_main.c @@ -109,13 +109,10 @@ wait_for_worker_thread(void) static void non_bsd_thread(rtems_task_argument arg) { - rtems_status_code sc; test_curthread(""); wake_up_main_thread(); - - sc = rtems_task_delete(RTEMS_SELF); - assert(sc == RTEMS_SUCCESSFUL); + rtems_task_exit(); } static void diff --git a/testsuite/usbkbd01/init.c b/testsuite/usbkbd01/init.c index 0ea2d2b7..9800b871 100644 --- a/testsuite/usbkbd01/init.c +++ b/testsuite/usbkbd01/init.c @@ -101,7 +101,7 @@ usb_keyboard_read_task(rtems_task_argument arg) rtems_message_queue_send(omid, &msg, sizeof(msg)); } rtask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void @@ -141,7 +141,7 @@ usb_keyboard_open_task(rtems_task_argument arg) printf("keyboard device closed\n"); } otask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void diff --git a/testsuite/usbmouse01/init.c b/testsuite/usbmouse01/init.c index 5bf732d8..56518d67 100644 --- a/testsuite/usbmouse01/init.c +++ b/testsuite/usbmouse01/init.c @@ -103,7 +103,7 @@ usb_mouse_read_task(rtems_task_argument arg) } rtask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void @@ -143,7 +143,7 @@ usb_mouse_open_task(rtems_task_argument arg) printf("mouse device closed\n"); } otask_active = false; - rtems_task_delete(RTEMS_SELF); + rtems_task_exit(); } static void diff --git a/testsuite/zerocopy01/test_main.c b/testsuite/zerocopy01/test_main.c index 1be546e4..3a03c12c 100644 --- a/testsuite/zerocopy01/test_main.c +++ b/testsuite/zerocopy01/test_main.c @@ -240,8 +240,7 @@ test_main(void) sc = rtems_task_start(id, network_flood_task, (rtems_task_argument) bc); assert(sc == RTEMS_SUCCESSFUL); - rtems_task_delete(RTEMS_SELF); - assert(0); + rtems_task_exit(); } #define DEFAULT_NETWORK_DHCPCD_ENABLE @@ -32,13 +32,13 @@ POSSIBILITY OF SUCH DAMAGE. import os, sys, inspect -VERSION="2.0.19" -REVISION="1f3c580272b15a03d2566843c5fe872a" -GIT="61ee22b598cf80e260beb64e475966f58b304d0d" +VERSION="2.0.25" +REVISION="767522112be77f8585812fcfaa08e805" +GIT="39ef33e48380a2db38a0eae40a3a4a2c954f4450" INSTALL='' -C1='#6' -C2='#.' -C3='#%' +C1='#+' +C2='#*' +C3='#)' cwd = os.getcwd() join = os.path.join @@ -168,6 +168,6 @@ if __name__ == '__main__': Scripting.waf_entry_point(cwd, VERSION, wafdir) #==> -#BZh91AY&SY9 \DPm(¬#%00e(b /mЀ#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%#%zmmk Z旲U#.[iھ:'kd7{o۶ֵK]v'OgvsN)#.Q+ٽpޝ]/{m<{guҋ@{ vo;;vi44l{|U9ݟݚyx#%#%@(}h#%` ﲀ=wf:4[aӹyA껴 4=d+֨)f0#6 *{Q$#%#6#%YJzV%}jaj3TTf˦Iv]s}6u7z:#.xW_=z֭Z;ۻ}sy{izr>^}azz{x-z̀ݳֲ4fs`uF"EE7w#%(J*OC#%l= n{Ywd >}[vG`>EmkMW`Ly^u#%}at;o}|{mOvpǼo*WƘܶ2>ϟw];j9QtZt>ܮu|}ܬ&Nq\:.^yaCӶۛХ&nCz|ilͶв[ۺ5koXqؗnl/`{w>PJPTTjB7uv&iv ]vݛ:kkUUܘ{x)HЃɯfw#%7ZI#%#%;^3F-mzݙ_U.us[ v]]|H,q{c;v J{+l+Wg`;{n# ]}ww{xv#.mEf"sﯼl$/gєx<V6EǑޮGxO{>w#%*;F7;g<uoSkݭӭm9.ݬ ݾwwwtv:#.[.wc ӂhgu^nu/=4#%cM{JU){xW`{VU[}IzovuH*u$I֪nc[נ&ƻ}ac| Gͼ&:}6;vR w}-[nh &#%& CBa0#.#%PTzК#% {SA)B @@$zzI 4#%#%#%#%#%#%#%D!M5TMoU<zT()mG#%#%ѣ@#%#%'RD!4dOD$OFM#.@#.Sj#%#%#%#%#%#%$!#%&@bh&M#%M#.4Si4 #%h#%#%#%I L#A&=&m{SI h#%d4#%#%?Uir \QWwkZvhʃ>5Zu!LA ,LQ*")Pc Z5OӦ Jtđ8WoT"]^S_3os2 lDs4;mqE6M`Vd]j◘5o# UI7wDKU/~oBE"SU5k3khȋ 7#%H*-E :$H& "HP !#%h#%$@d P@mfLCLd@M$Rj63525)FSm&$J2ZQh[Fi,iZ!#.F)iMF #.1eMDRlZSMhYi#. 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