| if_bge.c (129879) | if_bge.c (130270) |
|---|---|
| 1/* 2 * Copyright (c) 2001 Wind River Systems 3 * Copyright (c) 1997, 1998, 1999, 2001 4 * Bill Paul <wpaul@windriver.com>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> | 1/* 2 * Copyright (c) 2001 Wind River Systems 3 * Copyright (c) 1997, 1998, 1999, 2001 4 * Bill Paul <wpaul@windriver.com>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 18 unchanged lines hidden (view full) --- 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34#include <sys/cdefs.h> |
| 35__FBSDID("$FreeBSD: head/sys/dev/bge/if_bge.c 129879 2004-05-30 20:08:47Z phk $"); | 35__FBSDID("$FreeBSD: head/sys/dev/bge/if_bge.c 130270 2004-06-09 14:34:04Z naddy $"); |
| 36 37/* 38 * Broadcom BCM570x family gigabit ethernet driver for FreeBSD. 39 * 40 * The Broadcom BCM5700 is based on technology originally developed by 41 * Alteon Networks as part of the Tigon I and Tigon II gigabit ethernet 42 * MAC chips. The BCM5700, sometimes refered to as the Tigon III, has 43 * two on-board MIPS R4000 CPUs and can have as much as 16MB of external --- 162 unchanged lines hidden (view full) --- 206static void bge_watchdog (struct ifnet *); 207static void bge_shutdown (device_t); 208static int bge_ifmedia_upd (struct ifnet *); 209static void bge_ifmedia_sts (struct ifnet *, struct ifmediareq *); 210 211static u_int8_t bge_eeprom_getbyte (struct bge_softc *, int, u_int8_t *); 212static int bge_read_eeprom (struct bge_softc *, caddr_t, int, int); 213 | 36 37/* 38 * Broadcom BCM570x family gigabit ethernet driver for FreeBSD. 39 * 40 * The Broadcom BCM5700 is based on technology originally developed by 41 * Alteon Networks as part of the Tigon I and Tigon II gigabit ethernet 42 * MAC chips. The BCM5700, sometimes refered to as the Tigon III, has 43 * two on-board MIPS R4000 CPUs and can have as much as 16MB of external --- 162 unchanged lines hidden (view full) --- 206static void bge_watchdog (struct ifnet *); 207static void bge_shutdown (device_t); 208static int bge_ifmedia_upd (struct ifnet *); 209static void bge_ifmedia_sts (struct ifnet *, struct ifmediareq *); 210 211static u_int8_t bge_eeprom_getbyte (struct bge_softc *, int, u_int8_t *); 212static int bge_read_eeprom (struct bge_softc *, caddr_t, int, int); 213 |
| 214static uint32_t bge_mchash (const uint8_t *); | |
| 215static void bge_setmulti (struct bge_softc *); 216 217static void bge_handle_events (struct bge_softc *); 218static int bge_alloc_jumbo_mem (struct bge_softc *); 219static void bge_free_jumbo_mem (struct bge_softc *); 220static void *bge_jalloc (struct bge_softc *); 221static void bge_jfree (void *, void *); 222static int bge_newbuf_std (struct bge_softc *, int, struct mbuf *); --- 905 unchanged lines hidden (view full) --- 1128 CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0); 1129 /* 5700 b2 errata */ 1130 if (sc->bge_chiprev == BGE_CHIPREV_5700_BX) 1131 CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0); 1132 1133 return(0); 1134} 1135 | 214static void bge_setmulti (struct bge_softc *); 215 216static void bge_handle_events (struct bge_softc *); 217static int bge_alloc_jumbo_mem (struct bge_softc *); 218static void bge_free_jumbo_mem (struct bge_softc *); 219static void *bge_jalloc (struct bge_softc *); 220static void bge_jfree (void *, void *); 221static int bge_newbuf_std (struct bge_softc *, int, struct mbuf *); --- 905 unchanged lines hidden (view full) --- 1127 CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0); 1128 /* 5700 b2 errata */ 1129 if (sc->bge_chiprev == BGE_CHIPREV_5700_BX) 1130 CSR_WRITE_4(sc, BGE_MBX_TX_NIC_PROD0_LO, 0); 1131 1132 return(0); 1133} 1134 |
| 1136#define BGE_POLY 0xEDB88320 1137 1138static uint32_t 1139bge_mchash(addr) 1140 const uint8_t *addr; 1141{ 1142 uint32_t crc; 1143 int idx, bit; 1144 uint8_t data; 1145 1146 /* Compute CRC for the address value. */ 1147 crc = 0xFFFFFFFF; /* initial value */ 1148 1149 for (idx = 0; idx < 6; idx++) { 1150 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 1151 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? BGE_POLY : 0); 1152 } 1153 1154 return(crc & 0x7F); 1155} 1156 | |
| 1157static void 1158bge_setmulti(sc) 1159 struct bge_softc *sc; 1160{ 1161 struct ifnet *ifp; 1162 struct ifmultiaddr *ifma; 1163 u_int32_t hashes[4] = { 0, 0, 0, 0 }; 1164 int h, i; --- 11 unchanged lines hidden (view full) --- 1176 /* First, zot all the existing filters. */ 1177 for (i = 0; i < 4; i++) 1178 CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), 0); 1179 1180 /* Now program new ones. */ 1181 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1182 if (ifma->ifma_addr->sa_family != AF_LINK) 1183 continue; | 1135static void 1136bge_setmulti(sc) 1137 struct bge_softc *sc; 1138{ 1139 struct ifnet *ifp; 1140 struct ifmultiaddr *ifma; 1141 u_int32_t hashes[4] = { 0, 0, 0, 0 }; 1142 int h, i; --- 11 unchanged lines hidden (view full) --- 1154 /* First, zot all the existing filters. */ 1155 for (i = 0; i < 4; i++) 1156 CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), 0); 1157 1158 /* Now program new ones. */ 1159 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 1160 if (ifma->ifma_addr->sa_family != AF_LINK) 1161 continue; |
| 1184 h = bge_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); | 1162 h = ether_crc32_le(LLADDR((struct sockaddr_dl *) 1163 ifma->ifma_addr), ETHER_ADDR_LEN) & 0x7F; |
| 1185 hashes[(h & 0x60) >> 5] |= 1 << (h & 0x1F); 1186 } 1187 1188 for (i = 0; i < 4; i++) 1189 CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), hashes[i]); 1190 1191 return; 1192} --- 2442 unchanged lines hidden --- | 1164 hashes[(h & 0x60) >> 5] |= 1 << (h & 0x1F); 1165 } 1166 1167 for (i = 0; i < 4; i++) 1168 CSR_WRITE_4(sc, BGE_MAR0 + (i * 4), hashes[i]); 1169 1170 return; 1171} --- 2442 unchanged lines hidden --- |