From 4a2fd0a7c81325c4ec735416aaa57e5e92746ca0 Mon Sep 17 00:00:00 2001 From: Vijay Kumar Banerjee Date: Wed, 3 Mar 2021 10:05:20 -0700 Subject: bsps/powerpc/beatnik: Remove sources that were not built by RTEMS --- bsps/powerpc/beatnik/net/if_em/if_em.c | 2 +- bsps/powerpc/beatnik/net/if_em/if_em_hw.c | 2 +- bsps/powerpc/beatnik/net/if_em/if_em_rtems.c | 2 +- bsps/powerpc/beatnik/net/if_gfe/if_gfe.c | 2 +- bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c | 2 +- bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c | 3318 -------------------- bsps/powerpc/beatnik/net/if_mve/mve_smallbuf_tst.c | 145 - bsps/powerpc/beatnik/net/if_mve/testing.c | 324 -- bsps/powerpc/beatnik/net/porting/if_xxx.modini.c | 34 - bsps/powerpc/beatnik/net/porting/rtemscompat.h | 1 + bsps/powerpc/beatnik/net/support/bsp_attach.c | 1 + 11 files changed, 7 insertions(+), 3826 deletions(-) delete mode 100644 bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c delete mode 100644 bsps/powerpc/beatnik/net/if_mve/mve_smallbuf_tst.c delete mode 100644 bsps/powerpc/beatnik/net/if_mve/testing.c delete mode 100644 bsps/powerpc/beatnik/net/porting/if_xxx.modini.c diff --git a/bsps/powerpc/beatnik/net/if_em/if_em.c b/bsps/powerpc/beatnik/net/if_em/if_em.c index db3607a..d69a5ea 100644 --- a/bsps/powerpc/beatnik/net/if_em/if_em.c +++ b/bsps/powerpc/beatnik/net/if_em/if_em.c @@ -36,7 +36,7 @@ POSSIBILITY OF SUCH DAMAGE. #include #else #include -#include "rtemscompat_defs.h" +#include #include "../porting/rtemscompat.h" #include "if_em.h" #include "../porting/rtemscompat1.h" diff --git a/bsps/powerpc/beatnik/net/if_em/if_em_hw.c b/bsps/powerpc/beatnik/net/if_em/if_em_hw.c index e200a6c..5317514 100644 --- a/bsps/powerpc/beatnik/net/if_em/if_em_hw.c +++ b/bsps/powerpc/beatnik/net/if_em/if_em_hw.c @@ -37,7 +37,7 @@ #include #ifdef __rtems__ -#include "rtemscompat_defs.h" +#include #include "../porting/rtemscompat.h" #include "if_em_hw.h" #else diff --git a/bsps/powerpc/beatnik/net/if_em/if_em_rtems.c b/bsps/powerpc/beatnik/net/if_em/if_em_rtems.c index fde1de7..3a6be33 100644 --- a/bsps/powerpc/beatnik/net/if_em/if_em_rtems.c +++ b/bsps/powerpc/beatnik/net/if_em/if_em_rtems.c @@ -1,4 +1,4 @@ -#include "rtemscompat_defs.h" +#include #include "../porting/if_xxx_rtems.c" #include #include diff --git a/bsps/powerpc/beatnik/net/if_gfe/if_gfe.c b/bsps/powerpc/beatnik/net/if_gfe/if_gfe.c index 7b29717..298c4dd 100644 --- a/bsps/powerpc/beatnik/net/if_gfe/if_gfe.c +++ b/bsps/powerpc/beatnik/net/if_gfe/if_gfe.c @@ -48,7 +48,7 @@ */ #ifdef __rtems__ -#include "rtemscompat_defs.h" +#include #include "../porting/rtemscompat.h" #include #include diff --git a/bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c b/bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c index 9ed814e..64dbe9f 100644 --- a/bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c +++ b/bsps/powerpc/beatnik/net/if_gfe/if_gfe_rtems.c @@ -1,5 +1,5 @@ /* Author: T. Straumann ; see ../../LICENSE */ -#include "rtemscompat_defs.h" +#include #include "../porting/rtemscompat.h" #include "gtethreg.h" diff --git a/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c b/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c deleted file mode 100644 index 85ab038..0000000 --- a/bsps/powerpc/beatnik/net/if_mve/mv643xx_eth.c +++ /dev/null @@ -1,3318 +0,0 @@ -/* 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 - * rabeeh@galileo.co.il - * PMC-Sierra, Inc., Manish Lachwani - * Ralf Baechle - * MontaVista Software, Inc., Dale Farnsworth - * Steven J. Hill / - * - * 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 , 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 -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include - -/* Not so nice; would be more elegant not to depend on C library but the - * RTEMS-specific ioctl for dumping statistics needs stdio anyways. - */ - -/*#define NDEBUG effectively removes all assertions - * If defining NDEBUG, MAKE SURE assert() EXPRESSION HAVE NO SIDE_EFFECTS!! - * This driver DOES have side-effects, so DONT DEFINE NDEBUG - * Performance-critical assertions are removed by undefining MVETH_TESTING. - */ - -#undef NDEBUG -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include - -/* 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 */ -#undef MVETH_TESTING - -/* Enable debugging messages and some support routines (dump rings etc.) */ -#undef MVETH_DEBUG - -/* Hack for driver development; rtems bsdnet doesn't implement detaching an interface :-( - * but this hack allows us to unload/reload the driver module which makes development - * a lot less painful. - */ -#undef MVETH_DETACH_HACK - -/* Ring sizes */ - -#ifdef MVETH_TESTING - -/* hard and small defaults */ -#undef MV643XX_RX_RING_SIZE -#define MV643XX_RX_RING_SIZE 2 -#undef MV643XX_TX_RING_SIZE -#define MV643XX_TX_RING_SIZE 4 - -#else /* MVETH_TESTING */ - -/* Define default ring sizes, allow override from bsp.h, Makefile,... and from ifcfg->rbuf_count/xbuf_count */ - -#ifndef MV643XX_RX_RING_SIZE -#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! - */ -#endif - -#ifndef MV643XX_TX_RING_SIZE -/* NOTE: tx ring size MUST be > max. # of fragments / mbufs in a chain; - * in 'TESTING' mode, special code is compiled in to repackage - * chains that are longer than the ring size. Normally, this is - * disabled for sake of speed. - * I observed chains of >17 entries regularly! - * - * Also, TX_NUM_TAG_SLOTS (1) must be left empty as a marker, hence - * the ring size must be > max. #frags + 1. - */ -#define MV643XX_TX_RING_SIZE 200 /* these are smaller fragments and not occupied when - * the driver is idle. - */ -#endif - -#endif /* MVETH_TESTING */ - -/* How many instances to we support (bsp.h could override) */ -#ifndef MV643XXETH_NUM_DRIVER_SLOTS -#define MV643XXETH_NUM_DRIVER_SLOTS 2 -#endif - -#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 (0x0007ffff) -#define MV643XX_ETH_KNOWN_IRQS (0x00000c05) -#define MV643XX_ETH_IRQ_EXT_ENA (1<<1) -#define MV643XX_ETH_IRQ_RX_DONE (1<<2) -#define MV643XX_ETH_IRQ_RX_NO_DESC (1<<10) - -#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) -#define MV643XX_ETH_KNOWN_EXT_IRQS (0x00010101) -#define MV643XX_ETH_EXT_IRQ_TX_DONE (1<<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 odrops; /* 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; -}; - -/* stuff needed for bsdnet support */ -struct mveth_bsdsupp { - int oif_flags; /* old / cached if_flags */ -}; - -struct mveth_softc { - struct arpcom arpcom; - struct mveth_bsdsupp bsd; - struct mveth_private pvt; -}; - -/* GLOBAL VARIABLES */ -#ifdef MVETH_DEBUG_TX_DUMP -int mveth_tx_dump = 0; -#endif - -/* THE array of driver/bsdnet structs */ - -/* If detaching/module unloading is enabled, the main driver data - * structure must remain in memory; hence it must reside in its own - * 'dummy' module... - */ -#ifdef MVETH_DETACH_HACK -extern -#else -STATIC -#endif -struct mveth_softc theMvEths[MV643XXETH_NUM_DRIVER_SLOTS] -#ifndef MVETH_DETACH_HACK -= {{{{0}},}} -#endif -; - -/* daemon task id */ -STATIC rtems_id mveth_tid = 0; -/* register access protection mutex */ -STATIC rtems_id mveth_mtx = 0; -#define REGLOCK() do { \ - if ( RTEMS_SUCCESSFUL != rtems_semaphore_obtain(mveth_mtx, RTEMS_WAIT, RTEMS_NO_TIMEOUT) ) \ - rtems_panic(DRVNAME": unable to lock register protection mutex"); \ - } while (0) -#define REGUNLOCK() rtems_semaphore_release(mveth_mtx) - -/* 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 void mveth_isr(rtems_irq_hdl_param unit); -static void mveth_isr_1(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 - }, -}; - -/* MII Ioctl Interface */ - -STATIC unsigned -mveth_mii_read(struct mveth_private *mp, unsigned addr); - -STATIC unsigned -mveth_mii_write(struct mveth_private *mp, unsigned addr, unsigned v); - - -/* mdio / mii interface wrappers for rtems_mii_ioctl API */ - -static int mveth_mdio_r(int phy, void *uarg, unsigned reg, uint32_t *pval) -{ - if ( phy > 1 ) - return -1; - - *pval = mveth_mii_read(uarg, reg); - return 0; -} - -static int mveth_mdio_w(int phy, void *uarg, unsigned reg, uint32_t val) -{ - if ( phy > 1 ) - return -1; - mveth_mii_write(uarg, reg, val); - return 0; -} - -static struct rtems_mdio_info mveth_mdio = { - mdio_r: mveth_mdio_r, - mdio_w: mveth_mdio_w, - has_gmii: 1, -}; - -/* 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; - - 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 - */ - return (xe & mp->xirq_mask) | (x & mp->irq_mask); -} - -static void mveth_isr(rtems_irq_hdl_param arg) -{ -unsigned unit = (unsigned)arg; - mveth_disable_irqs(&theMvEths[unit].pvt, -1); - theMvEths[unit].pvt.stats.irqs++; - rtems_bsdnet_event_send( theMvEths[unit].pvt.tid, 1<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); -} - -/* 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 -mveth_mii_read(struct mveth_private *mp, 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 ) | (mp->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); -} - -STATIC unsigned -mveth_mii_write(struct mveth_private *mp, 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 ) | (mp->phy<<16) | MV643XX_ETH_SMI_OP_WR | v ); - - return wc; -} - -/* 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; -} - -/* update serial port settings from current link status */ -static void -mveth_update_serial_port(struct mveth_private *mp, int media) -{ -int port = mp->port_num; -uint32_t old, new; - - 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 ( IFM_FDX & media ) - new |= MV643XX_ETH_SET_FULL_DUPLEX; - - switch ( IFM_SUBTYPE(media) ) { - default: /* treat as 10 */ - break; - case IFM_100_TX: - new |= MV643XX_ETH_SET_MII_SPEED_100; - break; - case IFM_1000_T: - 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)); - } - } - } -} - -/* Clear multicast filters */ -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; imc_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; imc_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; iport_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 - -/* Assign values (buffer + user data) to a tx descriptor slot */ -static int -mveth_assign_desc(MvEthTxDesc d, struct mbuf *m, unsigned long extra) -{ -int rval = (d->byte_cnt = m->m_len); - -#ifdef MVETH_TESTING - assert( !d->mb ); - assert( m->m_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 && ((mtod(m, uintptr_t)) & 7) ) { - d->buf_ptr = CPUADDR2ENET( d->workaround ); - memcpy((void*)d->workaround, mtod(m, void*), rval); - } else -#endif - { - d->buf_ptr = CPUADDR2ENET( mtod(m, unsigned long) ); - } - d->l4i_chk = 0; - return rval; -} - -static int -mveth_assign_desc_raw(MvEthTxDesc d, void *buf, int len, 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->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; irbuf_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; ixbuf_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 */ - -static struct mveth_private * -mve_setup_internal( - 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; -struct ifnet *ifp; -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; - } - ifp = &theMvEths[unit-1].arpcom.ac_if; - if ( ifp->if_init ) { - if ( ifp->if_init ) { - printk(DRVNAME": instance %i already attached.\n", unit); - 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; - } - - /* lazy init of mutex (non thread-safe! - we assume 1st initialization is single-threaded) */ - if ( ! mveth_mtx ) { - rtems_status_code sc; - sc = rtems_semaphore_create( - rtems_build_name('m','v','e','X'), - 1, - RTEMS_BINARY_SEMAPHORE | RTEMS_PRIORITY | RTEMS_INHERIT_PRIORITY | RTEMS_DEFAULT_ATTRIBUTES, - 0, - &mveth_mtx); - if ( RTEMS_SUCCESSFUL != sc ) { - rtems_error(sc,DRVNAME": creating mutex\n"); - rtems_panic("unable to proceed\n"); - } - } - - mp = &theMvEths[unit-1].pvt; - - memset(mp, 0, sizeof(*mp)); - - mp->port_num = unit-1; - mp->phy = (MV_READ(MV643XX_ETH_PHY_ADDR_R) >> (5*mp->port_num)) & 0x1f; - - 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 ? rx_ring_size : MV643XX_RX_RING_SIZE; - mp->xbuf_count = tx_ring_size ? tx_ring_size : MV643XX_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), - M_DEVBUF, - M_WAIT ); - assert( mp->ring_area ); - - BSP_mve_stop_hw(mp); - - if ( irq_mask ) { - irq_data[mp->port_num].hdl = tid ? mveth_isr : mveth_isr_1; - InstallISRSuccessful = BSP_install_rtems_irq_handler( &irq_data[mp->port_num] ); - assert( InstallISRSuccessful ); - } - - /* mark as used */ - ifp->if_init = (void*)(-1); - - 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; -} - -struct mveth_private * -BSP_mve_setup( - int unit, - rtems_id tid, - 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 -) -{ - if ( irq_mask && 0 == tid ) { - printk(DRVNAME": must supply a TID if irq_msk not zero\n"); - return 0; - } - - return mve_setup_internal( - unit, - tid, - 0, 0, - cleanup_txbuf, cleanup_txbuf_arg, - alloc_rxbuf, - consume_rxbuf, consume_rxbuf_arg, - rx_ring_size, tx_ring_size, - irq_mask); -} - -struct mveth_private * -BSP_mve_setup_1( - int unit, - 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 -) -{ - if ( irq_mask && 0 == isr ) { - printk(DRVNAME": must supply an ISR if irq_msk not zero\n"); - return 0; - } - - return mve_setup_internal( - unit, - 0, - isr, isr_arg, - cleanup_txbuf, cleanup_txbuf_arg, - alloc_rxbuf, - consume_rxbuf, consume_rxbuf_arg, - rx_ring_size, tx_ring_size, - irq_mask); -} - -rtems_id -BSP_mve_get_tid(struct mveth_private *mp) -{ - return mp->tid; -} - -int -BSP_mve_detach(struct mveth_private *mp) -{ -int unit = mp->port_num; - 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, M_DEVBUF ); - memset(mp, 0, sizeof(*mp)); - __asm__ __volatile__("":::"memory"); - /* mark as unused */ - theMvEths[unit].arpcom.ac_if.if_init = 0; - 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 rval; -} - -/* allocate a new cluster and copy an existing chain there; - * old chain is released... - */ -static struct mbuf * -repackage_chain(struct mbuf *m_head) -{ -struct mbuf *m; - MGETHDR(m, M_DONTWAIT, MT_DATA); - - if ( !m ) { - goto bail; - } - - MCLGET(m, M_DONTWAIT); - - if ( !(M_EXT & m->m_flags) ) { - m_freem(m); - m = 0; - goto bail; - } - - m_copydata(m_head, 0, MCLBYTES, mtod(m, caddr_t)); - m->m_pkthdr.len = m->m_len = m_head->m_pkthdr.len; - -bail: - m_freem(m_head); - return m; -} - -/* Enqueue a mbuf chain or a raw data buffer for transmission; - * RETURN: #bytes sent or -1 if there are not enough descriptors - * - * If 'len' is <=0 then 'm_head' is assumed to point to a mbuf chain. - * OTOH, a raw data packet may be send (non-BSD driver) by pointing - * m_head to the start of the data and passing 'len' > 0. - * - * 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. - */ -int -BSP_mve_send_buf(struct mveth_private *mp, void *m_head, void *data_p, int len) -{ -int rval; -register MvEthTxDesc l,d,h; -register struct mbuf *m1; -int nmbs; -int ismbuf = (len <= 0); - -/* Only way to get here is when we discover that the mbuf chain - * is too long for the tx ring - */ -startover: - - rval = 0; - -#ifdef MVETH_TESTING - assert(m_head); -#endif - - /* 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->mb ); -#endif - - if ( ! (m1 = m_head) ) - return 0; - - if ( ismbuf ) { - /* find first mbuf with actual data */ - while ( 0 == m1->m_len ) { - if ( ! (m1 = m1->m_next) ) { - /* end reached and still no data to send ?? */ - m_freem(m_head); - return 0; - } - } - } - - /* 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; - if ( ismbuf ) { - register struct mbuf *m; - for ( m=m1->m_next; m; m=m->m_next ) { - if ( 0 == m->m_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->mb == 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++; - if ( ! (m_head = repackage_chain(m_head)) ) { - /* no cluster available */ - mp->stats.odrops++; - return 0; - } - goto startover; - } - return -1; - } - - mp->avail--; - -#ifdef MVETH_TESTING - assert( d != h ); - assert( !d->buf_ptr ); -#endif - - /* fill this slot */ - rval += mveth_assign_desc(d, m, TDESC_DMA_OWNED); - - FLUSH_BUF(mtod(m, uint32_t), m->m_len); - - l = d; - d = NEXT_TXD(d); - - FLUSH_DESC(l); - } - - /* fill first slot - don't release to DMA yet */ - rval += mveth_assign_desc(h, m1, TDESC_FRST); - - - FLUSH_BUF(mtod(m1, uint32_t), m1->m_len); - - } else { - /* fill first slot with raw buffer - don't release to DMA yet */ - rval += mveth_assign_desc_raw(h, data_p, len, TDESC_FRST); - - FLUSH_BUF( (uint32_t)data_p, len); - } - - /* tag last slot; this covers the case where 1st==last */ - l->cmd_sts |= TDESC_LAST | TDESC_INT_ENA; - /* mbuf goes into last desc */ - l->u_buf = m_head; - - - 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); - -#ifdef MVETH_DEBUG_TX_DUMP - if ( (mveth_tx_dump & (1<port_num)) ) { - int ll,kk; - if ( ismbuf ) { - struct mbuf *m; - for ( kk=0, m=m_head; m; m=m->m_next) { - for ( ll=0; llm_len; ll++ ) { - printf("%02X ",*(mtod(m,char*) + ll)); - if ( ((++kk)&0xf) == 0 ) - printf("\n"); - } - } - } else { - for ( ll=0; llcmd_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; - - rval = 0; - -#ifdef MVETH_TESTING - assert(header || data); -#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->mb ); -#endif - - /* find the 'first' user buffer */ - if ( (frst_buf = head_p) ) { - frst_len = h_len; - } else { - frst_buf = data_p; - frst_len = d_len; - } - - /* 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, 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, 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 = frst_buf; - - 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->consume_rxbuf(0, mp->consume_rxbuf_arg, err ? -1 : 0); - } 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; ixbuf_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; ixbuf_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; irbuf_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 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; irbuf_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); - - i = IFM_MAKEWORD(0, 0, 0, 0); - if ( 0 == BSP_mve_media_ioctl(mp, SIOCGIFMEDIA, &i) ) { - if ( (IFM_LINK_OK & i) ) { - mveth_update_serial_port(mp, i); - } - } - - /* 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; ipvt); - sc->arpcom.ac_if.if_timer = 0; -} - -/* allocate a mbuf for RX with a properly aligned data buffer - * RETURNS 0 if allocation fails - */ -static void * -alloc_mbuf_rx(int *psz, uintptr_t *paddr) -{ -struct mbuf *m; -unsigned long l,o; - - MGETHDR(m, M_DONTWAIT, MT_DATA); - if ( !m ) - return 0; - MCLGET(m, M_DONTWAIT); - if ( ! (m->m_flags & M_EXT) ) { - m_freem(m); - return 0; - } - - 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; - *psz = m->m_len; - *paddr = mtod(m, uintptr_t); - - return (void*) m; -} - -static void consume_rx_mbuf(void *buf, void *arg, int len) -{ -struct ifnet *ifp = arg; -struct mbuf *m = buf; - - if ( len <= 0 ) { - ifp->if_iqdrops++; - if ( len < 0 ) { - ifp->if_ierrors++; - } - if ( m ) - m_freem(m); - } else { - struct ether_header *eh; - - eh = (struct ether_header *)(mtod(m, unsigned long) + ETH_RX_OFFSET); - m->m_len = m->m_pkthdr.len = len - sizeof(struct ether_header) - ETH_RX_OFFSET - ETH_CRC_LEN; - m->m_data += sizeof(struct ether_header) + ETH_RX_OFFSET; - m->m_pkthdr.rcvif = ifp; - - ifp->if_ipackets++; - ifp->if_ibytes += m->m_pkthdr.len; - - if (0) { - /* Low-level debugging */ - int i; - for (i=0; i<13; i++) { - printf("%02X:",((char*)eh)[i]); - } - printf("%02X\n",((char*)eh)[i]); - for (i=0; im_len; i++) { - if ( !(i&15) ) - printf("\n"); - printf("0x%02x ",mtod(m,char*)[i]); - } - printf("\n"); - } - - if (0) { - /* Low-level debugging/testing without bsd stack */ - m_freem(m); - } else { - /* send buffer upwards */ - ether_input(ifp, eh, m); - } - } -} - -static void release_tx_mbuf(void *buf, void *arg, int err) -{ -struct ifnet *ifp = arg; -struct mbuf *mb = buf; - - if ( err ) { - ifp->if_oerrors++; - } else { - ifp->if_opackets++; - } - ifp->if_obytes += mb->m_pkthdr.len; - m_freem(mb); -} - -static void -dump_update_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, "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"); -} - -void -BSP_mve_dump_stats(struct mveth_private *mp, FILE *f) -{ - dump_update_stats(mp, f); -} - -/* BSDNET DRIVER CALLBACKS */ - -static void -mveth_init(void *arg) -{ -struct mveth_softc *sc = arg; -struct ifnet *ifp = &sc->arpcom.ac_if; -int media; - - BSP_mve_init_hw(&sc->pvt, ifp->if_flags & IFF_PROMISC, sc->arpcom.ac_enaddr); - - media = IFM_MAKEWORD(0, 0, 0, 0); - if ( 0 == BSP_mve_media_ioctl(&sc->pvt, SIOCGIFMEDIA, &media) ) { - if ( (IFM_LINK_OK & media) ) { - ifp->if_flags &= ~IFF_OACTIVE; - } else { - ifp->if_flags |= IFF_OACTIVE; - } - } - - /* if promiscuous then there is no need to change */ - if ( ! (ifp->if_flags & IFF_PROMISC) ) - mveth_set_filters(ifp); - - ifp->if_flags |= IFF_RUNNING; - sc->arpcom.ac_if.if_timer = 0; -} - -/* bsdnet driver entry to start transmission */ -static void -mveth_start(struct ifnet *ifp) -{ -struct mveth_softc *sc = ifp->if_softc; -struct mbuf *m = 0; - - while ( ifp->if_snd.ifq_head ) { - IF_DEQUEUE( &ifp->if_snd, m ); - if ( BSP_mve_send_buf(&sc->pvt, m, 0, 0) < 0 ) { - IF_PREPEND( &ifp->if_snd, m); - ifp->if_flags |= IFF_OACTIVE; - break; - } - /* need to do this really only once - * but it's cheaper this way. - */ - ifp->if_timer = 2*IFNET_SLOWHZ; - } -} - -/* bsdnet driver entry; */ -static void -mveth_watchdog(struct ifnet *ifp) -{ -struct mveth_softc *sc = ifp->if_softc; - - ifp->if_oerrors++; - printk(DRVNAME"%i: watchdog timeout; resetting\n", ifp->if_unit); - - mveth_init(sc); - mveth_start(ifp); -} - -static void -mveth_set_filters(struct ifnet *ifp) -{ -struct mveth_softc *sc = ifp->if_softc; -uint32_t v; - - v = MV_READ(MV643XX_ETH_PORT_CONFIG_R(sc->pvt.port_num)); - if ( ifp->if_flags & IFF_PROMISC ) - v |= MV643XX_ETH_UNICAST_PROMISC_MODE; - else - v &= ~MV643XX_ETH_UNICAST_PROMISC_MODE; - MV_WRITE(MV643XX_ETH_PORT_CONFIG_R(sc->pvt.port_num), v); - - if ( ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI) ) { - BSP_mve_mcast_filter_accept_all(&sc->pvt); - } else { - struct ether_multi *enm; - struct ether_multistep step; - - BSP_mve_mcast_filter_clear( &sc->pvt ); - - ETHER_FIRST_MULTI(step, (struct arpcom *)ifp, enm); - - while ( enm ) { - if ( memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN) ) - assert( !"Should never get here; IFF_ALLMULTI should be set!" ); - - BSP_mve_mcast_filter_accept_add(&sc->pvt, enm->enm_addrlo); - - ETHER_NEXT_MULTI(step, enm); - } - } -} - -/* bsdnet driver ioctl entry */ -static int -mveth_ioctl(struct ifnet *ifp, ioctl_command_t cmd, caddr_t data) -{ -struct mveth_softc *sc = ifp->if_softc; -struct ifreq *ifr = (struct ifreq *)data; -int error = 0; -int f; - - switch ( cmd ) { - case SIOCSIFFLAGS: - f = ifp->if_flags; - if ( f & IFF_UP ) { - if ( ! ( f & IFF_RUNNING ) ) { - mveth_init(sc); - } else { - if ( (f & IFF_PROMISC) != (sc->bsd.oif_flags & IFF_PROMISC) ) { - /* Note: in all other scenarios the 'promisc' flag - * in the low-level driver [which affects the way - * the multicast filter is setup: accept none vs. - * accept all in promisc mode] is eventually - * set when the IF is brought up... - */ - sc->pvt.promisc = (f & IFF_PROMISC); - - mveth_set_filters(ifp); - } - /* FIXME: other flag changes are ignored/unimplemented */ - } - } else { - if ( f & IFF_RUNNING ) { - mveth_stop(sc); - ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); - } - } - sc->bsd.oif_flags = ifp->if_flags; - break; - - case SIOCGIFMEDIA: - case SIOCSIFMEDIA: - error = BSP_mve_media_ioctl(&sc->pvt, cmd, &ifr->ifr_media); - break; - - case SIOCADDMULTI: - case SIOCDELMULTI: - error = (cmd == SIOCADDMULTI) - ? ether_addmulti(ifr, &sc->arpcom) - : ether_delmulti(ifr, &sc->arpcom); - - if (error == ENETRESET) { - if (ifp->if_flags & IFF_RUNNING) { - mveth_set_filters(ifp); - } - error = 0; - } - break; - - - break; - - case SIO_RTEMS_SHOW_STATS: - dump_update_stats(&sc->pvt, stdout); - break; - - default: - error = ether_ioctl(ifp, cmd, data); - break; - } - - return error; -} - -/* DRIVER TASK */ - -/* Daemon task does all the 'interrupt' work */ -static void mveth_daemon(void *arg) -{ -struct mveth_softc *sc; -struct ifnet *ifp; -rtems_event_set evs; - for (;;) { - rtems_bsdnet_event_receive( 7, RTEMS_WAIT | RTEMS_EVENT_ANY, RTEMS_NO_TIMEOUT, &evs ); - evs &= 7; - for ( sc = theMvEths; evs; evs>>=1, sc++ ) { - if ( (evs & 1) ) { - register uint32_t x; - - ifp = &sc->arpcom.ac_if; - - if ( !(ifp->if_flags & IFF_UP) ) { - mveth_stop(sc); - ifp->if_flags &= ~(IFF_UP|IFF_RUNNING); - continue; - } - - if ( !(ifp->if_flags & IFF_RUNNING) ) { - /* event could have been pending at the time hw was stopped; - * just ignore... - */ - continue; - } - - x = mveth_ack_irqs(&sc->pvt, -1); - - if ( MV643XX_ETH_EXT_IRQ_LINK_CHG & x ) { - /* phy status changed */ - int media; - - if ( 0 == BSP_mve_ack_link_chg(&sc->pvt, &media) ) { - if ( IFM_LINK_OK & media ) { - ifp->if_flags &= ~IFF_OACTIVE; - mveth_start(ifp); - } else { - /* stop sending */ - ifp->if_flags |= IFF_OACTIVE; - } - } - } - /* free tx chain */ - if ( (MV643XX_ETH_EXT_IRQ_TX_DONE & x) && BSP_mve_swipe_tx(&sc->pvt) ) { - ifp->if_flags &= ~IFF_OACTIVE; - if ( TX_AVAILABLE_RING_SIZE(&sc->pvt) == sc->pvt.avail ) - ifp->if_timer = 0; - mveth_start(ifp); - } - if ( (MV643XX_ETH_IRQ_RX_DONE & x) ) - BSP_mve_swipe_rx(&sc->pvt); - - mveth_enable_irqs(&sc->pvt, -1); - } - } - } -} - -#ifdef MVETH_DETACH_HACK -static int mveth_detach(struct mveth_softc *sc); -#endif - - -/* PUBLIC RTEMS BSDNET ATTACH FUNCTION */ -int -rtems_mve_attach(struct rtems_bsdnet_ifconfig *ifcfg, int attaching) -{ -char *unitName; -int unit,i,cfgUnits; -struct mveth_softc *sc; -struct ifnet *ifp; - - unit = rtems_bsdnet_parse_driver_name(ifcfg, &unitName); - 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 1; - } - - sc = &theMvEths[unit-1]; - ifp = &sc->arpcom.ac_if; - sc->pvt.port_num = unit-1; - sc->pvt.phy = (MV_READ(MV643XX_ETH_PHY_ADDR_R) >> (5*sc->pvt.port_num)) & 0x1f; - - if ( attaching ) { - if ( ifp->if_init ) { - printk(DRVNAME": instance %i already attached.\n", unit); - return -1; - } - - for ( i=cfgUnits = 0; irbuf_count, - ifcfg->xbuf_count, - BSP_MVE_IRQ_TX | BSP_MVE_IRQ_RX | BSP_MVE_IRQ_LINK) ) { - return -1; - } - - if ( nmbclusters < sc->pvt.rbuf_count * cfgUnits + 60 /* arbitrary */ ) { - printk(DRVNAME"%i: (mv643xx ethernet) Your application has not enough mbuf clusters\n", unit); - printk( " configured for this driver.\n"); - return -1; - } - - if ( ifcfg->hardware_address ) { - memcpy(sc->arpcom.ac_enaddr, ifcfg->hardware_address, ETHER_ADDR_LEN); - } else { - /* read back from hardware assuming that MotLoad already had set it up */ - BSP_mve_read_eaddr(&sc->pvt, sc->arpcom.ac_enaddr); - } - - ifp->if_softc = sc; - ifp->if_unit = unit; - ifp->if_name = unitName; - - ifp->if_mtu = ifcfg->mtu ? ifcfg->mtu : ETHERMTU; - - ifp->if_init = mveth_init; - ifp->if_ioctl = mveth_ioctl; - ifp->if_start = mveth_start; - ifp->if_output = ether_output; - /* - * While nonzero, the 'if->if_timer' is decremented - * (by the networking code) at a rate of IFNET_SLOWHZ (1hz) and 'if_watchdog' - * is called when it expires. - * If either of those fields is 0 the feature is disabled. - */ - ifp->if_watchdog = mveth_watchdog; - ifp->if_timer = 0; - - sc->bsd.oif_flags = /* ... */ - ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_SIMPLEX; - - /* - * if unset, this set to 10Mbps by ether_ifattach; seems to be unused by bsdnet stack; - * could be updated along with phy speed, though... - ifp->if_baudrate = 10000000; - */ - - /* NOTE: ether_output drops packets if ifq_len >= ifq_maxlen - * but this is the packet count, not the fragment count! - ifp->if_snd.ifq_maxlen = sc->pvt.xbuf_count; - */ - ifp->if_snd.ifq_maxlen = ifqmaxlen; - -#ifdef MVETH_DETACH_HACK - if ( !ifp->if_addrlist ) /* do only the first time [reattach hack] */ -#endif - { - if_attach(ifp); - ether_ifattach(ifp); - } - - } else { -#ifdef MVETH_DETACH_HACK - if ( !ifp->if_init ) { - printk(DRVNAME": instance %i not attached.\n", unit); - return -1; - } - return mveth_detach(sc); -#else - printk(DRVNAME": interface detaching not implemented\n"); - return -1; -#endif - } - - return 0; -} - -/* EARLY PHY ACCESS */ -static int -mveth_early_init(int idx) -{ - if ( idx < 0 || idx >= MV643XXETH_NUM_DRIVER_SLOTS ) - return -1; - - /* determine the phy */ - theMvEths[idx].pvt.phy = (MV_READ(MV643XX_ETH_PHY_ADDR_R) >> (5*idx)) & 0x1f; - return 0; -} - -static int -mveth_early_read_phy(int idx, unsigned reg) -{ -int rval; - - if ( idx < 0 || idx >= MV643XXETH_NUM_DRIVER_SLOTS ) - return -1; - - rval = mveth_mii_read(&theMvEths[idx].pvt, reg); - return rval < 0 ? rval : rval & 0xffff; -} - -static int -mveth_early_write_phy(int idx, unsigned reg, unsigned val) -{ - if ( idx < 0 || idx >= MV643XXETH_NUM_DRIVER_SLOTS ) - return -1; - - mveth_mii_write(&theMvEths[idx].pvt, reg, val); - return 0; -} - -rtems_bsdnet_early_link_check_ops -rtems_mve_early_link_check_ops = { - init: mveth_early_init, - read_phy: mveth_early_read_phy, - write_phy: mveth_early_write_phy, - name: DRVNAME, - num_slots: MAX_NUM_SLOTS -}; - -/* DEBUGGING */ - -#ifdef MVETH_DEBUG -/* Display/dump descriptor rings */ - -int -mveth_dring(struct mveth_softc *sc) -{ -int i; -if (1) { -MvEthRxDesc pr; -printf("RX:\n"); - - for (i=0, pr=sc->pvt.rx_ring; ipvt.rbuf_count; i++, pr++) { -#ifndef ENABLE_HW_SNOOPING - /* can't just invalidate the descriptor - if it contains - * data that hasn't been flushed yet, we create an inconsistency... - */ - rtems_bsdnet_semaphore_obtain(); - INVAL_DESC(pr); -#endif - 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); - -#ifndef ENABLE_HW_SNOOPING - rtems_bsdnet_semaphore_release(); -#endif - } -} -if (1) { -MvEthTxDesc pt; -printf("TX:\n"); - for (i=0, pt=sc->pvt.tx_ring; ipvt.xbuf_count; i++, pt++) { -#ifndef ENABLE_HW_SNOOPING - rtems_bsdnet_semaphore_obtain(); - INVAL_DESC(pt); -#endif - 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->mb); - -#ifndef ENABLE_HW_SNOOPING - rtems_bsdnet_semaphore_release(); -#endif - } -} - return 0; -} - -#endif - -/* DETACH HACK DETAILS */ - -#ifdef MVETH_DETACH_HACK -int -_cexpModuleFinalize(void *mh) -{ -int i; - for ( i=0; iif_flags = 0; - ifp->if_ioctl = 0; - ifp->if_start = 0; - ifp->if_watchdog = 0; - ifp->if_init = 0; -} - -static int -mveth_detach(struct mveth_softc *sc) -{ -struct ifnet *ifp = &sc->arpcom.ac_if; - if ( ifp->if_init ) { - if ( ifp->if_flags & (IFF_UP | IFF_RUNNING) ) { - printf(DRVNAME"%i: refuse to detach; interface still up\n",sc->pvt.port_num+1); - return -1; - } - mveth_stop(sc); -/* not implemented in BSDnet/RTEMS (yet) but declared in header */ -#define ether_ifdetach ether_ifdetach_pvt - ether_ifdetach(ifp); - } - free( (void*)sc->pvt.ring_area, M_DEVBUF ); - sc->pvt.ring_area = 0; - sc->pvt.tx_ring = 0; - sc->pvt.rx_ring = 0; - sc->pvt.d_tx_t = sc->pvt.d_tx_h = 0; - sc->pvt.d_rx_t = 0; - sc->pvt.avail = 0; - /* may fail if ISR was not installed yet */ - BSP_remove_rtems_irq_handler( &irq_data[sc->pvt.port_num] ); - return 0; -} - -#ifdef MVETH_DEBUG -struct rtems_bsdnet_ifconfig mveth_dbg_config = { - name: DRVNAME"1", - attach: rtems_mve_attach, - ip_address: "192.168.2.10", /* not used by rtems_bsdnet_attach */ - ip_netmask: "255.255.255.0", /* not used by rtems_bsdnet_attach */ - hardware_address: 0, /* (void *) */ - ignore_broadcast: 0, /* TODO driver should honour this */ - mtu: 0, - rbuf_count: 0, /* TODO driver should honour this */ - xbuf_count: 0, /* TODO driver should honour this */ -}; -#endif -#endif diff --git a/bsps/powerpc/beatnik/net/if_mve/mve_smallbuf_tst.c b/bsps/powerpc/beatnik/net/if_mve/mve_smallbuf_tst.c deleted file mode 100644 index 721ade3..0000000 --- a/bsps/powerpc/beatnik/net/if_mve/mve_smallbuf_tst.c +++ /dev/null @@ -1,145 +0,0 @@ -#include -#include -#include -#include -#include - -/* Demo for the mv64360 ethernet quirk: - * - * $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ - * $$ buffer segments < 8 bytes must be aligned $$ - * $$ to 8 bytes but larger segments are not $$ - * $$ sensitive to alignment. $$ - * $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ - * - * How to use: - * - * Init MVE driver on (unused) unit 2: - * - * mve = mvtst_init(2) - * - * data = { 1,2,3,4,5,6,7,8,9,0xa,0xb, ... } - * - * Alloc 2-element mbuf chain (1st holds an - * ethernet header which is > 8bytes so we can't - * test this with only 1 mbuf. The 2nd mbuf holds - * a small fragment of data). - * - * mb = mvtst_getbuf(mve) - * - * Copy data into aligned area inside 2nd mbuf, - * (so that you can see if the chip starts using - * the aligned area rather than the unaligned - * buffer pointer). Point mbuf's data pointer - * at 'off'set from the aligned area: - * - * mvtst_putbuf(mb, data, len, offset) - * - * Send chain off: - * - * BSP_mve_send_buf(mve, mb, 0, 0) - * - * Watch raw data: - * - * tcpdump -XX -vv -s0 ether host - * - * E.g, if offset = 1, len = 2 then we would like - * to see - * - * GOOD: - * < 14 header bytes > 0x02, 0x03 - - * but if the chip starts DMA at aligned address - * we see instead - * BAD: - * < 14 header bytes > 0x01, 0x02 - */ - -static inline void *rmalloc(size_t l) { return malloc(l); } -static inline void rfree(void *p) { return free(p); } - -#define _KERNEL -#include -#include - -static void -cleanup_buf(void *u_b, void *closure, int error) -{ -rtems_bsdnet_semaphore_obtain(); - m_freem((struct mbuf*)u_b); -rtems_bsdnet_semaphore_release(); -} - -struct mbuf *mvtst_getbuf(struct mveth_private *mp) -{ -struct mbuf *m,*n; - - if ( !mp ) { - printf("need driver ptr arg\n"); - return 0; - } -rtems_bsdnet_semaphore_obtain(); - MGETHDR(m, M_DONTWAIT, MT_DATA); - MGET(n, M_DONTWAIT, MT_DATA); - m->m_next = n; -rtems_bsdnet_semaphore_release(); - /* Ethernet header */ - memset( mtod(m, unsigned char*), 0xff, 6); - BSP_mve_read_eaddr(mp, mtod(m, unsigned char*) + 6); - /* Arbitrary; setting to IP but we don't bother - * to setup a real IP header. We just watch the - * raw packet contents... - */ - mtod(m, unsigned char*)[12] = 0x08; - mtod(m, unsigned char*)[13] = 0x00; - m->m_pkthdr.len = m->m_len = 14; - n->m_len = 0; - return m; -} - -int -mvtst_putbuf(struct mbuf *m, void *data, int len, int off) -{ -int i; - if ( m ) { - m->m_pkthdr.len += len; - if ( ( m= m->m_next ) ) { - m->m_len = len; - memcpy(mtod(m, void*), data, 32); - m->m_data += off; - printf("m.dat: 0x%08x, m.data: 0x%08x\n", m->m_dat, m->m_data); - for ( i=0; i< 16; i++ ) { - printf(" %02x,",mtod(m, unsigned char*)[i]); - } - printf("\n"); - } - } - - return 0; -} - -static void *alloc_rxbuf(int *p_size, unsigned long *paddr) -{ - return *(void**)paddr = rmalloc((*p_size = 1800)); -} - -static void consume_buf(void *buf, void *closure, int len) -{ - rfree(buf); -} - -void * -mvtst_init(int unit) -{ -struct mveth_private *mp; - mp = BSP_mve_setup( - unit, 0, - cleanup_buf, 0, - alloc_rxbuf, - consume_buf, 0, - 10, 10, - 0); - if ( mp ) - BSP_mve_init_hw(mp, 0, 0); - return mp; -} diff --git a/bsps/powerpc/beatnik/net/if_mve/testing.c b/bsps/powerpc/beatnik/net/if_mve/testing.c deleted file mode 100644 index a1233bd..0000000 --- a/bsps/powerpc/beatnik/net/if_mve/testing.c +++ /dev/null @@ -1,324 +0,0 @@ -#ifndef KERNEL -#define KERNEL -#endif - -#include -#include -#include -#include -#include - -#include "mv64340_eth_ll.h" - -#include -#include - -#include -#include - -#define RX_SPACING 1 -#define TX_SPACING 1 - -#define RX_RING_SIZE (MV64340_RX_QUEUE_SIZE*RX_SPACING) -#define TX_RING_SIZE (MV64340_TX_QUEUE_SIZE*TX_SPACING) - - -struct eth_rx_desc rx_ring[RX_RING_SIZE] __attribute__((aligned(32))); -struct eth_rx_desc rx_ring[RX_RING_SIZE] = {{0},}; - -struct eth_tx_desc tx_ring[TX_RING_SIZE] __attribute__((aligned(32))); -struct eth_tx_desc tx_ring[TX_RING_SIZE] = {{0},}; - -/* packet buffers */ -char rx_buf[MV64340_RX_QUEUE_SIZE][2048] __attribute__((aligned(8))); -char rx_buf[MV64340_RX_QUEUE_SIZE][2048]; - -char tx_buf[MV64340_RX_QUEUE_SIZE][2048] __attribute__((aligned(8))); -char tx_buf[MV64340_RX_QUEUE_SIZE][2048]; - -char BcHeader[22] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, /* dst */ - 0x00, 0x01, 0xaf, 0x13, 0xb5, 0x3e, /* src */ - 00, 00, /* len */ - 0xAA, /* dsap */ - 0xAA, /* ssap */ - 0x03, /* ctrl */ - 0x08, 0x00, 0x56, /* snap_org [stanford] */ - 0x80, 0x5b, /* snap_type (stanford kernel) */ -}; - -struct mv64340_private mveth = { - port_num: 0, - port_mac_addr: {0x00,0x01,0xAF,0x13,0xB5,0x3C}, - /* port_config .. tx_resource_err are set by port_init */ - 0 -}; - -struct pkt_info p0,p1; - -static inline void rx_stopq(int port) -{ - MV_WRITE(MV64340_ETH_RECEIVE_QUEUE_COMMAND_REG(port), 0x0000ff00); -} - -static inline void tx_stopq(int port) -{ - MV_WRITE(MV64340_ETH_TRANSMIT_QUEUE_COMMAND_REG(port), 0x0000ff00); -} - -#define MV64360_ENET2MEM_SNOOP_NONE 0x0000 -#define MV64360_ENET2MEM_SNOOP_WT 0x1000 -#define MV64360_ENET2MEM_SNOOP_WB 0x2000 - -#if 0 -int -mveth_init(struct mv64340_private *mp) -{ -int i; - mp->p_rx_desc_area = rx_ring; - mp->p_tx_desc_area = tx_ring; - - rx_stopq(mp->port_num); - tx_stopq(mp->port_num); - - /* MotLoad has cache snooping disabled on the ENET2MEM windows. - * Some comments in (linux) indicate that there are errata - * which cause problems which is a real bummer. - * We try it anyways... - */ - { - unsigned long disbl, bar; - disbl = MV_READ(MV64340_ETH_BASE_ADDR_ENABLE_REG); - /* disable all 6 windows */ - MV_WRITE(MV64340_ETH_BASE_ADDR_ENABLE_REG, 0x3f); - /* set WB snooping */ - for ( i=0; i<6*8; i+=8 ) { - if ( (bar = MV_READ(MV64340_ETH_BAR_0 + i)) && MV_READ(MV64340_ETH_SIZE_REG_0 + i) ) { - MV_WRITE(MV64340_ETH_BAR_0 + i, bar | MV64360_ENET2MEM_SNOOP_WB); - /* read back to flush fifo [linux comment] */ - (void)MV_READ(MV64340_ETH_BAR_0 + i); - } - } - /* restore/re-enable */ - MV_WRITE(MV64340_ETH_BASE_ADDR_ENABLE_REG, disbl); - } - - eth_port_init(mp); - - sleep(1); - - mveth_init_tx_desc_ring(mp); - mveth_init_rx_desc_ring(mp); -#if 0 - for ( i = 0; im_flags & M_EXT) ) { - m_freem(m); - emsg="Unable to allocate cluster\n"; - goto bail; - } - p = mtod(m, char *); - l = 0; - switch (nbufs) { - case 3: - default: - emsg="nbufs arg must be 1..3\n"; - goto bail; - - case 1: - l += sizeof(BcHeader); - memcpy(p, &BcHeader, sizeof(BcHeader)); - p += sizeof(BcHeader); - - case 2: - memcpy(p,data,len); - l += len; - m->m_len = m->m_pkthdr.len = l; - if ( 2 == nbufs ) { - M_PREPEND(m, sizeof (BcHeader), M_WAIT); - if (!m) { - emsg = "Unable to prepend\n"; - goto bail; - } - p = mtod(m, char*); - memcpy(p,&BcHeader,sizeof(BcHeader)); - l += sizeof(BcHeader); - } - break; - } - *(short*)(mtod(m, char*) + 12) = htons(l-14); - rval = mveth_send_mbuf(mp,m); - -bail: - rtems_bsdnet_semaphore_release(); - if (emsg) - printf(emsg); - -#if 0 - /* - * Add local net header. If no space in first mbuf, - * allocate another. - */ - M_PREPEND(m, sizeof (struct ether_header), M_DONTWAIT); - if (m == 0) - senderr(ENOBUFS); - eh = mtod(m, struct ether_header *); - (void)memcpy(&eh->ether_type, &type, - sizeof(eh->ether_type)); - (void)memcpy(eh->ether_dhost, edst, sizeof (edst)); - (void)memcpy(eh->ether_shost, ac->ac_enaddr, - sizeof(eh->ether_shost)); -#endif - return rval; -} - -int -mveth_protected(int (*p)(struct mv64340_private*), struct mv64340_private *mp) -{ -int rval; - rtems_bsdnet_semaphore_obtain(); - rval = p(mp); - rtems_bsdnet_semaphore_release(); - return rval; -} - -int -mveth_rx(struct mv64340_private *mp) -{ -extern int mveth_swipe_rx(); - return mveth_protected(mveth_swipe_rx,mp); -} - -int -mveth_reclaim(struct mv64340_private *mp) -{ -extern int mveth_swipe_tx(); - return mveth_protected(mveth_swipe_tx,mp); -} - - -int preth(FILE *f, char *p) -{ -int i; - for (i=0; i<4; i++) - fprintf(f,"%02X:",p[i]); - fprintf(f,"%02X",p[i]); - return 6; -} - -char *errcode2str(st) -{ -char *rval; - switch(st) { - case ETH_OK: - rval = "OK"; - break; - case ETH_ERROR: - rval = "Fundamental error."; - break; - case ETH_RETRY: - rval = "Could not process request. Try later."; - break; - case ETH_END_OF_JOB: - rval = "Ring has nothing to process."; - break; - case ETH_QUEUE_FULL: - rval = "Ring resource error."; - break; - case ETH_QUEUE_LAST_RESOURCE: - rval = "Ring resources about to exhaust."; - break; - default: - rval = "UNKNOWN"; break; - } - return rval; -} - - -#if 0 -int -mveth_rx(struct mv64340_private *mp) -{ -int st; -struct pkt_info p; - if ( ETH_OK != (st=eth_port_receive(mp, &p)) ) { - fprintf(stderr,"receive: %s\n", errcode2str(st)); - return -1; - } - printf("%i bytes received from ", p.byte_cnt); - preth(stdout,(char*)p.buf_ptr+6); - printf(" (desc. stat: 0x%08x)\n", p.cmd_sts); - - p.byte_cnt = sizeof(rx_buf[0]); - p.buf_ptr -= RX_BUF_OFFSET; - if ( ETH_OK != (st=eth_rx_return_buff(mp,&p) ) ) { - fprintf(stderr,"returning buffer: %s\n", errcode2str(st)); - return -1; - } - return 0; -} -#endif - -int -dring() -{ -int i; -if (1) { -struct eth_rx_desc *pr; -printf("RX:\n"); - for (i=0, pr=rx_ring; ibyte_cnt, pr->buf_size, pr->cmd_sts, pr->next_desc_ptr, pr->buf_ptr); - } -} -if (1) { -struct eth_tx_desc *pt; -printf("TX:\n"); - for (i=0, pt=tx_ring; ibyte_cnt, pt->cmd_sts, pt->next_desc_ptr, pt->buf_ptr); - } -} - return 0; -} diff --git a/bsps/powerpc/beatnik/net/porting/if_xxx.modini.c b/bsps/powerpc/beatnik/net/porting/if_xxx.modini.c deleted file mode 100644 index 1abad7d..0000000 --- a/bsps/powerpc/beatnik/net/porting/if_xxx.modini.c +++ /dev/null @@ -1,34 +0,0 @@ -#include -#include - -/* CEXP module initialization/finalization */ - -/* Copyright: Till Straumann , 2005; - * License: see LICENSE file. - */ - -void -_cexpModuleInitialize(void *unused) -{ -extern void NET_EMBEMB(rtems_,NETDRIVER_PREFIX,_bringup)(char *); - METHODSPTR = &METHODS; -/* -#ifdef DEBUG - NET_EMBEMB(rtems_,NETDRIVER_PREFIX,_bringup)("192.168.2.13/255.255.255.0"); -#endif -*/ -} - -int -_cexpModuleFinalize(void *unused) -{ -#ifdef DEBUG -extern int NET_EMBEMB(rtems_,NETDRIVER_PREFIX,_bringdown)(); - if (NET_EMBEMB(rtems_,NETDRIVER_PREFIX,_bringdown)()) - return -1; - METHODSPTR = 0; - return 0; -#else - return -1; -#endif -} diff --git a/bsps/powerpc/beatnik/net/porting/rtemscompat.h b/bsps/powerpc/beatnik/net/porting/rtemscompat.h index 5a4bb6b..ed7a292 100644 --- a/bsps/powerpc/beatnik/net/porting/rtemscompat.h +++ b/bsps/powerpc/beatnik/net/porting/rtemscompat.h @@ -40,6 +40,7 @@ static inline void the_real_free(void *p) #include #include #include +#include #ifdef __i386__ #include #elif defined(__PPC__) diff --git a/bsps/powerpc/beatnik/net/support/bsp_attach.c b/bsps/powerpc/beatnik/net/support/bsp_attach.c index 30329d9..e2d4053 100644 --- a/bsps/powerpc/beatnik/net/support/bsp_attach.c +++ b/bsps/powerpc/beatnik/net/support/bsp_attach.c @@ -55,6 +55,7 @@ #include #include +#include #include #include -- cgit v1.2.3