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Diffstat (limited to 'c/src/libnetworking/sys/sysctl.h')
| -rw-r--r-- | c/src/libnetworking/sys/sysctl.h | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/c/src/libnetworking/sys/sysctl.h b/c/src/libnetworking/sys/sysctl.h new file mode 100644 index 0000000000..b25ba43c4f --- /dev/null +++ b/c/src/libnetworking/sys/sysctl.h @@ -0,0 +1,379 @@ +/* + * Copyright (c) 1989, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Mike Karels at Berkeley Software Design, Inc. + * + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. + * + * @(#)sysctl.h 8.1 (Berkeley) 6/2/93 + * $Id$ + */ + +#ifndef _SYS_SYSCTL_H_ +#define _SYS_SYSCTL_H_ + +/* + * Definitions for sysctl call. The sysctl call uses a hierarchical name + * for objects that can be examined or modified. The name is expressed as + * a sequence of integers. Like a file path name, the meaning of each + * component depends on its place in the hierarchy. The top-level and kern + * identifiers are defined here, and other identifiers are defined in the + * respective subsystem header files. + */ + +#define CTL_MAXNAME 12 /* largest number of components supported */ + +/* + * Each subsystem defined by sysctl defines a list of variables + * for that subsystem. Each name is either a node with further + * levels defined below it, or it is a leaf of some particular + * type given below. Each sysctl level defines a set of name/type + * pairs to be used by sysctl(1) in manipulating the subsystem. + */ +struct ctlname { + char *ctl_name; /* subsystem name */ + int ctl_type; /* type of name */ +}; + +#define CTLTYPE 0xf /* Mask for the type */ +#define CTLTYPE_NODE 1 /* name is a node */ +#define CTLTYPE_INT 2 /* name describes an integer */ +#define CTLTYPE_STRING 3 /* name describes a string */ +#define CTLTYPE_QUAD 4 /* name describes a 64-bit number */ +#define CTLTYPE_OPAQUE 5 /* name describes a structure */ +#define CTLTYPE_STRUCT CTLTYPE_OPAQUE /* name describes a structure */ + +#define CTLFLAG_RD 0x80000000 /* Allow reads of variable */ +#define CTLFLAG_WR 0x40000000 /* Allow writes to the variable */ +#define CTLFLAG_RW (CTLFLAG_RD|CTLFLAG_WR) +#define CTLFLAG_NOLOCK 0x20000000 /* XXX Don't Lock */ +#define CTLFLAG_ANYBODY 0x10000000 /* All users can set this var */ + +/* + * USE THIS instead of a hardwired number from the categories below + * to get dynamically assigned sysctl entries using the linker-set + * technology. This is the way nearly all new sysctl variables should + * be implimented. + * e.g. SYSCTL_INT(_parent, OID_AUTO, name, CTLFLAG_RW, &variable, 0, ""); + */ +#define OID_AUTO (-1) + +#ifdef KERNEL +#define SYSCTL_HANDLER_ARGS (struct sysctl_oid *oidp, void *arg1, int arg2, \ + struct sysctl_req *req) + +/* + * This describes the access space for a sysctl request. This is needed + * so that we can use the interface from the kernel or from user-space. + */ +struct sysctl_req { + struct proc *p; + int lock; + void *oldptr; + int oldlen; + int oldidx; + int (*oldfunc)(struct sysctl_req *, const void *, int); + void *newptr; + int newlen; + int newidx; + int (*newfunc)(struct sysctl_req *, void *, int); +}; + +/* + * This describes one "oid" in the MIB tree. Potentially more nodes can + * be hidden behind it, expanded by the handler. + */ +struct sysctl_oid { + int oid_number; + int oid_kind; + void *oid_arg1; + int oid_arg2; + const char *oid_name; + int (*oid_handler) SYSCTL_HANDLER_ARGS; + const char *oid_fmt; +}; + +#define SYSCTL_IN(r, p, l) +#define SYSCTL_OUT(r, p, l) + +int sysctl_handle_int SYSCTL_HANDLER_ARGS; +int sysctl_handle_string SYSCTL_HANDLER_ARGS; +int sysctl_handle_opaque SYSCTL_HANDLER_ARGS; + +/* This is the "raw" function for a mib-oid */ +#define SYSCTL_OID(parent, nbr, name, kind, a1, a2, handler, fmt, descr) + +/* This makes a node from which other oids can hang */ +#define SYSCTL_NODE(parent, nbr, name, access, handler, descr) + +/* This is a string len can be 0 to indicate '\0' termination */ +#define SYSCTL_STRING(parent, nbr, name, access, arg, len, descr) + +/* This is a integer, if ptr is NULL, val is returned */ +#define SYSCTL_INT(parent, nbr, name, access, ptr, val, descr) + +/* This is anything, specified by a pointer and a lenth */ +#define SYSCTL_OPAQUE(parent, nbr, name, access, ptr, len, fmt, descr) + +/* This is a struct, specified by a pointer and type */ +#define SYSCTL_STRUCT(parent, nbr, name, access, ptr, type, descr) + +/* Needs a proc. Specify by pointer and arg */ +#define SYSCTL_PROC(parent, nbr, name, access, ptr, arg, handler, fmt, descr) +#endif /* KERNEL */ + +/* + * Top-level identifiers + */ +#define CTL_UNSPEC 0 /* unused */ +#define CTL_KERN 1 /* "high kernel": proc, limits */ +#define CTL_VM 2 /* virtual memory */ +#define CTL_VFS 3 /* file system, mount type is next */ +#define CTL_NET 4 /* network, see socket.h */ +#define CTL_DEBUG 5 /* debugging parameters */ +#define CTL_HW 6 /* generic cpu/io */ +#define CTL_MACHDEP 7 /* machine dependent */ +#define CTL_USER 8 /* user-level */ +#define CTL_MAXID 9 /* number of valid top-level ids */ + +#define CTL_NAMES { \ + { 0, 0 }, \ + { "kern", CTLTYPE_NODE }, \ + { "vm", CTLTYPE_NODE }, \ + { "vfs", CTLTYPE_NODE }, \ + { "net", CTLTYPE_NODE }, \ + { "debug", CTLTYPE_NODE }, \ + { "hw", CTLTYPE_NODE }, \ + { "machdep", CTLTYPE_NODE }, \ + { "user", CTLTYPE_NODE }, \ +} + +/* + * CTL_KERN identifiers + */ +#define KERN_OSTYPE 1 /* string: system version */ +#define KERN_OSRELEASE 2 /* string: system release */ +#define KERN_OSREV 3 /* int: system revision */ +#define KERN_VERSION 4 /* string: compile time info */ +#define KERN_MAXVNODES 5 /* int: max vnodes */ +#define KERN_MAXPROC 6 /* int: max processes */ +#define KERN_MAXFILES 7 /* int: max open files */ +#define KERN_ARGMAX 8 /* int: max arguments to exec */ +#define KERN_SECURELVL 9 /* int: system security level */ +#define KERN_HOSTNAME 10 /* string: hostname */ +#define KERN_HOSTID 11 /* int: host identifier */ +#define KERN_CLOCKRATE 12 /* struct: struct clockrate */ +#define KERN_VNODE 13 /* struct: vnode structures */ +#define KERN_PROC 14 /* struct: process entries */ +#define KERN_FILE 15 /* struct: file entries */ +#define KERN_PROF 16 /* node: kernel profiling info */ +#define KERN_POSIX1 17 /* int: POSIX.1 version */ +#define KERN_NGROUPS 18 /* int: # of supplemental group ids */ +#define KERN_JOB_CONTROL 19 /* int: is job control available */ +#define KERN_SAVED_IDS 20 /* int: saved set-user/group-ID */ +#define KERN_BOOTTIME 21 /* struct: time kernel was booted */ +#define KERN_NISDOMAINNAME 22 /* string: YP domain name */ +#define KERN_UPDATEINTERVAL 23 /* int: update process sleep time */ +#define KERN_OSRELDATE 24 /* int: OS release date */ +#define KERN_NTP_PLL 25 /* node: NTP PLL control */ +#define KERN_BOOTFILE 26 /* string: name of booted kernel */ +#define KERN_MAXFILESPERPROC 27 /* int: max open files per proc */ +#define KERN_MAXPROCPERUID 28 /* int: max processes per uid */ +#define KERN_DUMPDEV 29 /* dev_t: device to dump on */ +#define KERN_SOMAXCONN 30 /* int: max connections in listen q */ +#define KERN_MAXSOCKBUF 31 /* int: max size of a socket buffer */ +#define KERN_PS_STRINGS 32 /* int: address of PS_STRINGS */ +#define KERN_USRSTACK 33 /* int: address of USRSTACK */ +#define KERN_MAXID 34 /* number of valid kern ids */ + +#define CTL_KERN_NAMES { \ + { 0, 0 }, \ + { "ostype", CTLTYPE_STRING }, \ + { "osrelease", CTLTYPE_STRING }, \ + { "osrevision", CTLTYPE_INT }, \ + { "version", CTLTYPE_STRING }, \ + { "maxvnodes", CTLTYPE_INT }, \ + { "maxproc", CTLTYPE_INT }, \ + { "maxfiles", CTLTYPE_INT }, \ + { "argmax", CTLTYPE_INT }, \ + { "securelevel", CTLTYPE_INT }, \ + { "hostname", CTLTYPE_STRING }, \ + { "hostid", CTLTYPE_INT }, \ + { "clockrate", CTLTYPE_STRUCT }, \ + { "vnode", CTLTYPE_STRUCT }, \ + { "proc", CTLTYPE_STRUCT }, \ + { "file", CTLTYPE_STRUCT }, \ + { "profiling", CTLTYPE_NODE }, \ + { "posix1version", CTLTYPE_INT }, \ + { "ngroups", CTLTYPE_INT }, \ + { "job_control", CTLTYPE_INT }, \ + { "saved_ids", CTLTYPE_INT }, \ + { "boottime", CTLTYPE_STRUCT }, \ + { "nisdomainname", CTLTYPE_STRING }, \ + { "update", CTLTYPE_INT }, \ + { "osreldate", CTLTYPE_INT }, \ + { "ntp_pll", CTLTYPE_NODE }, \ + { "bootfile", CTLTYPE_STRING }, \ + { "maxfilesperproc", CTLTYPE_INT }, \ + { "maxprocperuid", CTLTYPE_INT }, \ + { "dumpdev", CTLTYPE_STRUCT }, /* we lie; don't print as int */ \ + { "somaxconn", CTLTYPE_INT }, \ + { "maxsockbuf", CTLTYPE_INT }, \ + { "ps_strings", CTLTYPE_INT }, \ + { "usrstack", CTLTYPE_INT }, \ +} + +/* + * CTL_VFS identifiers + */ +#define VFS_VFSCONF 0 /* get configured filesystems */ +#define VFS_MAXID 1 /* number of items */ + +#define CTL_VFS_NAMES { \ + { "vfsconf", CTLTYPE_STRUCT }, \ +} + +/* + * KERN_PROC subtypes + */ +#define KERN_PROC_ALL 0 /* everything */ +#define KERN_PROC_PID 1 /* by process id */ +#define KERN_PROC_PGRP 2 /* by process group id */ +#define KERN_PROC_SESSION 3 /* by session of pid */ +#define KERN_PROC_TTY 4 /* by controlling tty */ +#define KERN_PROC_UID 5 /* by effective uid */ +#define KERN_PROC_RUID 6 /* by real uid */ + +/* + * CTL_HW identifiers + */ +#define HW_MACHINE 1 /* string: machine class */ +#define HW_MODEL 2 /* string: specific machine model */ +#define HW_NCPU 3 /* int: number of cpus */ +#define HW_BYTEORDER 4 /* int: machine byte order */ +#define HW_PHYSMEM 5 /* int: total memory */ +#define HW_USERMEM 6 /* int: non-kernel memory */ +#define HW_PAGESIZE 7 /* int: software page size */ +#define HW_DISKNAMES 8 /* strings: disk drive names */ +#define HW_DISKSTATS 9 /* struct: diskstats[] */ +#define HW_FLOATINGPT 10 /* int: has HW floating point? */ +#define HW_MACHINE_ARCH 11 /* string: machine architecture */ +#define HW_MAXID 12 /* number of valid hw ids */ + +#define CTL_HW_NAMES { \ + { 0, 0 }, \ + { "machine", CTLTYPE_STRING }, \ + { "model", CTLTYPE_STRING }, \ + { "ncpu", CTLTYPE_INT }, \ + { "byteorder", CTLTYPE_INT }, \ + { "physmem", CTLTYPE_INT }, \ + { "usermem", CTLTYPE_INT }, \ + { "pagesize", CTLTYPE_INT }, \ + { "disknames", CTLTYPE_STRUCT }, \ + { "diskstats", CTLTYPE_STRUCT }, \ + { "floatingpoint", CTLTYPE_INT }, \ +} + +/* + * CTL_USER definitions + */ +#define USER_CS_PATH 1 /* string: _CS_PATH */ +#define USER_BC_BASE_MAX 2 /* int: BC_BASE_MAX */ +#define USER_BC_DIM_MAX 3 /* int: BC_DIM_MAX */ +#define USER_BC_SCALE_MAX 4 /* int: BC_SCALE_MAX */ +#define USER_BC_STRING_MAX 5 /* int: BC_STRING_MAX */ +#define USER_COLL_WEIGHTS_MAX 6 /* int: COLL_WEIGHTS_MAX */ +#define USER_EXPR_NEST_MAX 7 /* int: EXPR_NEST_MAX */ +#define USER_LINE_MAX 8 /* int: LINE_MAX */ +#define USER_RE_DUP_MAX 9 /* int: RE_DUP_MAX */ +#define USER_POSIX2_VERSION 10 /* int: POSIX2_VERSION */ +#define USER_POSIX2_C_BIND 11 /* int: POSIX2_C_BIND */ +#define USER_POSIX2_C_DEV 12 /* int: POSIX2_C_DEV */ +#define USER_POSIX2_CHAR_TERM 13 /* int: POSIX2_CHAR_TERM */ +#define USER_POSIX2_FORT_DEV 14 /* int: POSIX2_FORT_DEV */ +#define USER_POSIX2_FORT_RUN 15 /* int: POSIX2_FORT_RUN */ +#define USER_POSIX2_LOCALEDEF 16 /* int: POSIX2_LOCALEDEF */ +#define USER_POSIX2_SW_DEV 17 /* int: POSIX2_SW_DEV */ +#define USER_POSIX2_UPE 18 /* int: POSIX2_UPE */ +#define USER_STREAM_MAX 19 /* int: POSIX2_STREAM_MAX */ +#define USER_TZNAME_MAX 20 /* int: POSIX2_TZNAME_MAX */ +#define USER_MAXID 21 /* number of valid user ids */ + +#define CTL_USER_NAMES { \ + { 0, 0 }, \ + { "cs_path", CTLTYPE_STRING }, \ + { "bc_base_max", CTLTYPE_INT }, \ + { "bc_dim_max", CTLTYPE_INT }, \ + { "bc_scale_max", CTLTYPE_INT }, \ + { "bc_string_max", CTLTYPE_INT }, \ + { "coll_weights_max", CTLTYPE_INT }, \ + { "expr_nest_max", CTLTYPE_INT }, \ + { "line_max", CTLTYPE_INT }, \ + { "re_dup_max", CTLTYPE_INT }, \ + { "posix2_version", CTLTYPE_INT }, \ + { "posix2_c_bind", CTLTYPE_INT }, \ + { "posix2_c_dev", CTLTYPE_INT }, \ + { "posix2_char_term", CTLTYPE_INT }, \ + { "posix2_fort_dev", CTLTYPE_INT }, \ + { "posix2_fort_run", CTLTYPE_INT }, \ + { "posix2_localedef", CTLTYPE_INT }, \ + { "posix2_sw_dev", CTLTYPE_INT }, \ + { "posix2_upe", CTLTYPE_INT }, \ + { "stream_max", CTLTYPE_INT }, \ + { "tzname_max", CTLTYPE_INT }, \ +} + +#ifdef KERNEL + +extern char cpu_model[]; +extern char machine[]; +extern char osrelease[]; +extern char ostype[]; + +int kernel_sysctl(struct proc *p, int *name, u_int namelen, void *old, size_t *oldlenp, void *new, size_t newlen, int *retval); +int userland_sysctl(struct proc *p, int *name, u_int namelen, void *old, size_t *oldlenp, int inkernel, void *new, size_t newlen, int *retval); +/* +int sysctl_clockrate __P((char *, size_t*)); +int sysctl_file __P((char *, size_t*)); +int sysctl_doproc __P((int *, u_int, char *, size_t*)); +int sysctl_doprof __P((int *, u_int, void *, size_t *, void *, size_t)); +*/ + +#else /* !KERNEL */ +#include <sys/cdefs.h> + +__BEGIN_DECLS +int sysctl __P((int *, u_int, void *, size_t *, void *, size_t)); +int sysctlbyname __P((const char *, void *, size_t *, void *, size_t)); +__END_DECLS +#endif /* KERNEL */ + +#endif /* !_SYS_SYSCTL_H_ */ |