fxr.watson.org: FREEBSD-5-2 sys/pci/if

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sys/pci/if_de.c

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1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 /*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * 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: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28 /* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD: releng/5.2/sys/pci/if_de.c 121816 2003-10-31 18:32:15Z brooks $"); 40 41 #define TULIP_HDR_DATA 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/endian.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/sockio.h> 49 #include <sys/malloc.h> 50 #include <sys/kernel.h> 51 #include <sys/eventhandler.h> 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <sys/bus.h> 55 #include <sys/rman.h> 56 57 #include <net/if.h> 58 #include <net/if_arp.h> 59 #include <net/ethernet.h> 60 #include <net/if_media.h> 61 #include <net/if_dl.h> 62 #ifdef TULIP_USE_SOFTINTR 63 #include <net/netisr.h> 64 #endif 65 66 #include <net/bpf.h> 67 68 #ifdef INET 69 #include <netinet/in.h> 70 #include <netinet/if_ether.h> 71 #endif 72 73 #include <vm/vm.h> 74 75 #include <net/if_var.h> 76 #include <vm/pmap.h> 77 #include <dev/pci/pcivar.h> 78 #include <dev/pci/pcireg.h> 79 #include <pci/dc21040reg.h> 80 81 /* 82 * Intel CPUs should use I/O mapped access. 83 */ 84 #if defined(__i386__) 85 #define TULIP_IOMAPPED 86 #endif 87 88 #if 0 89 /* 90 * This turns on all sort of debugging stuff and make the 91 * driver much larger. 92 */ 93 #define TULIP_DEBUG 94 #endif 95 96 #if 0 97 #define TULIP_PERFSTATS 98 #endif 99 100 #if 0 101 #define TULIP_USE_SOFTINTR 102 #endif 103 104 #define TULIP_HZ 10 105 106 #include <pci/if_devar.h> 107 108 /* 109 * This module supports 110 * the DEC 21040 PCI Ethernet Controller. 111 * the DEC 21041 PCI Ethernet Controller. 112 * the DEC 21140 PCI Fast Ethernet Controller. 113 */ 114 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 115 static void tulip_intr_shared(void *arg); 116 static void tulip_intr_normal(void *arg); 117 static void tulip_init(tulip_softc_t * const sc); 118 static void tulip_ifinit(void *); 119 static void tulip_reset(tulip_softc_t * const sc); 120 static void tulip_ifstart_one(struct ifnet *ifp); 121 static void tulip_ifstart(struct ifnet *ifp); 122 static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 123 static void tulip_txput_setup(tulip_softc_t * const sc); 124 static void tulip_rx_intr(tulip_softc_t * const sc); 125 static void tulip_addr_filter(tulip_softc_t * const sc); 126 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 127 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 128 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 129 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 130 static int tulip_srom_decode(tulip_softc_t * const sc); 131 static int tulip_ifmedia_change(struct ifnet * const ifp); 132 static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 133 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 134 135 static void 136 tulip_timeout_callback( 137 void *arg) 138 { 139 tulip_softc_t * const sc = arg; 140 int s = splimp(); 141 142 TULIP_PERFSTART(timeout) 143 144 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 145 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 146 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 147 148 TULIP_PERFEND(timeout); 149 splx(s); 150 } 151 152 static void 153 tulip_timeout( 154 tulip_softc_t * const sc) 155 { 156 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 157 return; 158 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 159 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 160 } 161 162 #if defined(TULIP_NEED_FASTTIMEOUT) 163 static void 164 tulip_fasttimeout_callback( 165 void *arg) 166 { 167 tulip_softc_t * const sc = arg; 168 int s = splimp(); 169 170 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 171 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 172 splx(s); 173 } 174 175 static void 176 tulip_fasttimeout( 177 tulip_softc_t * const sc) 178 { 179 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 180 return; 181 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 182 timeout(tulip_fasttimeout_callback, sc, 1); 183 } 184 #endif 185 186 static int 187 tulip_txprobe( 188 tulip_softc_t * const sc) 189 { 190 struct mbuf *m; 191 /* 192 * Before we are sure this is the right media we need 193 * to send a small packet to make sure there's carrier. 194 * Strangely, BNC and AUI will "see" receive data if 195 * either is connected so the transmit is the only way 196 * to verify the connectivity. 197 */ 198 MGETHDR(m, M_DONTWAIT, MT_DATA); 199 if (m == NULL) 200 return 0; 201 /* 202 * Construct a LLC TEST message which will point to ourselves. 203 */ 204 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 205 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 206 mtod(m, struct ether_header *)->ether_type = htons(3); 207 mtod(m, unsigned char *)[14] = 0; 208 mtod(m, unsigned char *)[15] = 0; 209 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 210 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 211 /* 212 * send it! 213 */ 214 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 215 sc->tulip_intrmask |= TULIP_STS_TXINTR; 216 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 217 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 218 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 219 if ((m = tulip_txput(sc, m)) != NULL) 220 m_freem(m); 221 sc->tulip_probe.probe_txprobes++; 222 return 1; 223 } 224 225 #ifdef BIG_PACKET 226 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 227 #else 228 #define TULIP_SIAGEN_WATCHDOG 0 229 #endif 230 231 static void 232 tulip_media_set( 233 tulip_softc_t * const sc, 234 tulip_media_t media) 235 { 236 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 237 238 if (mi == NULL) 239 return; 240 241 /* 242 * If we are switching media, make sure we don't think there's 243 * any stale RX activity 244 */ 245 sc->tulip_flags &= ~TULIP_RXACT; 246 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 247 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 248 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 249 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 250 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 251 DELAY(50); 252 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 253 } else { 254 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 255 } 256 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 257 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 258 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 259 /* 260 * If the cmdmode bits don't match the currently operating mode, 261 * set the cmdmode appropriately and reset the chip. 262 */ 263 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 264 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 265 sc->tulip_cmdmode |= mi->mi_cmdmode; 266 tulip_reset(sc); 267 } 268 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 269 DELAY(10); 270 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 271 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 272 /* 273 * If the cmdmode bits don't match the currently operating mode, 274 * set the cmdmode appropriately and reset the chip. 275 */ 276 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 277 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 278 sc->tulip_cmdmode |= mi->mi_cmdmode; 279 tulip_reset(sc); 280 } 281 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 282 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 283 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 284 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 285 int idx; 286 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 287 const u_int8_t *dp; 288 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 289 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 290 DELAY(10); 291 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 292 } 293 sc->tulip_phyaddr = mi->mi_phyaddr; 294 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 295 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 296 DELAY(10); 297 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 298 } 299 } else { 300 for (idx = 0; idx < mi->mi_reset_length; idx++) { 301 DELAY(10); 302 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 303 } 304 sc->tulip_phyaddr = mi->mi_phyaddr; 305 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 306 DELAY(10); 307 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 308 } 309 } 310 if (sc->tulip_flags & TULIP_TRYNWAY) { 311 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 312 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 313 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 314 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 315 sc->tulip_flags &= ~TULIP_DIDNWAY; 316 if (TULIP_IS_MEDIA_FD(media)) 317 data |= PHYCTL_FULL_DUPLEX; 318 if (TULIP_IS_MEDIA_100MB(media)) 319 data |= PHYCTL_SELECT_100MB; 320 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 321 } 322 } 323 } 324 325 static void 326 tulip_linkup( 327 tulip_softc_t * const sc, 328 tulip_media_t media) 329 { 330 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 331 sc->tulip_flags |= TULIP_PRINTLINKUP; 332 sc->tulip_flags |= TULIP_LINKUP; 333 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 334 #if 0 /* XXX how does with work with ifmedia? */ 335 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 336 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 337 if (TULIP_CAN_MEDIA_FD(media) 338 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 339 media = TULIP_FD_MEDIA_OF(media); 340 } else { 341 if (TULIP_IS_MEDIA_FD(media) 342 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 343 media = TULIP_HD_MEDIA_OF(media); 344 } 345 } 346 #endif 347 if (sc->tulip_media != media) { 348 #ifdef TULIP_DEBUG 349 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 350 #endif 351 sc->tulip_media = media; 352 sc->tulip_flags |= TULIP_PRINTMEDIA; 353 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 354 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 355 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 356 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 357 } 358 } 359 /* 360 * We could set probe_timeout to 0 but setting to 3000 puts this 361 * in one central place and the only matters is tulip_link is 362 * followed by a tulip_timeout. Therefore setting it should not 363 * result in aberrant behavour. 364 */ 365 sc->tulip_probe_timeout = 3000; 366 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 367 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 368 if (sc->tulip_flags & TULIP_INRESET) { 369 tulip_media_set(sc, sc->tulip_media); 370 } else if (sc->tulip_probe_media != sc->tulip_media) { 371 /* 372 * No reason to change media if we have the right media. 373 */ 374 tulip_reset(sc); 375 } 376 tulip_init(sc); 377 } 378 379 static void 380 tulip_media_print( 381 tulip_softc_t * const sc) 382 { 383 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 384 return; 385 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 386 printf("%s: enabling %s port\n", 387 sc->tulip_xname, 388 tulip_mediums[sc->tulip_media]); 389 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 390 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 391 printf("%s: link up\n", sc->tulip_xname); 392 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 393 } 394 } 395 396 #if defined(TULIP_DO_GPR_SENSE) 397 static tulip_media_t 398 tulip_21140_gpr_media_sense( 399 tulip_softc_t * const sc) 400 { 401 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 402 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 403 tulip_media_t media; 404 405 /* 406 * If one of the media blocks contained a default media flag, 407 * use that. 408 */ 409 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 410 const tulip_media_info_t *mi; 411 /* 412 * Media is not supported (or is full-duplex). 413 */ 414 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 415 continue; 416 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 417 continue; 418 419 /* 420 * Remember the media is this is the "default" media. 421 */ 422 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 423 maybe_media = media; 424 425 /* 426 * No activity mask? Can't see if it is active if there's no mask. 427 */ 428 if (mi->mi_actmask == 0) 429 continue; 430 431 /* 432 * Does the activity data match? 433 */ 434 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 435 continue; 436 437 #if defined(TULIP_DEBUG) 438 printf("%s: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 439 sc->tulip_xname, tulip_mediums[media], 440 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 441 mi->mi_actmask, mi->mi_actdata); 442 #endif 443 /* 444 * It does! If this is the first media we detected, then 445 * remember this media. If isn't the first, then there were 446 * multiple matches which we equate to no match (since we don't 447 * which to select (if any). 448 */ 449 if (last_media == TULIP_MEDIA_UNKNOWN) { 450 last_media = media; 451 } else if (last_media != media) { 452 last_media = TULIP_MEDIA_UNKNOWN; 453 } 454 } 455 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 456 } 457 #endif /* TULIP_DO_GPR_SENSE */ 458 459 static tulip_link_status_t 460 tulip_media_link_monitor( 461 tulip_softc_t * const sc) 462 { 463 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 464 tulip_link_status_t linkup = TULIP_LINK_DOWN; 465 466 if (mi == NULL) { 467 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 468 panic("tulip_media_link_monitor: %s: botch at line %d\n", 469 tulip_mediums[sc->tulip_media],__LINE__); 470 #else 471 return TULIP_LINK_UNKNOWN; 472 #endif 473 } 474 475 476 /* 477 * Have we seen some packets? If so, the link must be good. 478 */ 479 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 480 sc->tulip_flags &= ~TULIP_RXACT; 481 sc->tulip_probe_timeout = 3000; 482 return TULIP_LINK_UP; 483 } 484 485 sc->tulip_flags &= ~TULIP_RXACT; 486 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 487 u_int32_t status; 488 /* 489 * Read the PHY status register. 490 */ 491 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 492 if (status & PHYSTS_AUTONEG_DONE) { 493 /* 494 * If the PHY has completed autonegotiation, see the if the 495 * remote systems abilities have changed. If so, upgrade or 496 * downgrade as appropriate. 497 */ 498 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 499 abilities = (abilities << 6) & status; 500 if (abilities != sc->tulip_abilities) { 501 #if defined(TULIP_DEBUG) 502 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 503 sc->tulip_xname, sc->tulip_phyaddr, 504 sc->tulip_abilities, abilities); 505 #endif 506 if (tulip_mii_map_abilities(sc, abilities)) { 507 tulip_linkup(sc, sc->tulip_probe_media); 508 return TULIP_LINK_UP; 509 } 510 /* 511 * if we had selected media because of autonegotiation, 512 * we need to probe for the new media. 513 */ 514 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 515 if (sc->tulip_flags & TULIP_DIDNWAY) 516 return TULIP_LINK_DOWN; 517 } 518 } 519 /* 520 * The link is now up. If was down, say its back up. 521 */ 522 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 523 linkup = TULIP_LINK_UP; 524 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 525 /* 526 * No activity sensor? Assume all's well. 527 */ 528 if (mi->mi_actmask == 0) 529 return TULIP_LINK_UNKNOWN; 530 /* 531 * Does the activity data match? 532 */ 533 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 534 linkup = TULIP_LINK_UP; 535 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 536 /* 537 * Assume non TP ok for now. 538 */ 539 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 540 return TULIP_LINK_UNKNOWN; 541 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 542 linkup = TULIP_LINK_UP; 543 #if defined(TULIP_DEBUG) 544 if (sc->tulip_probe_timeout <= 0) 545 printf("%s: sia status = 0x%08x\n", sc->tulip_xname, 546 TULIP_CSR_READ(sc, csr_sia_status)); 547 #endif 548 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 549 return TULIP_LINK_UNKNOWN; 550 } 551 /* 552 * We will wait for 3 seconds until the link goes into suspect mode. 553 */ 554 if (sc->tulip_flags & TULIP_LINKUP) { 555 if (linkup == TULIP_LINK_UP) 556 sc->tulip_probe_timeout = 3000; 557 if (sc->tulip_probe_timeout > 0) 558 return TULIP_LINK_UP; 559 560 sc->tulip_flags &= ~TULIP_LINKUP; 561 printf("%s: link down: cable problem?\n", sc->tulip_xname); 562 } 563 #if defined(TULIP_DEBUG) 564 sc->tulip_dbg.dbg_link_downed++; 565 #endif 566 return TULIP_LINK_DOWN; 567 } 568 569 static void 570 tulip_media_poll( 571 tulip_softc_t * const sc, 572 tulip_mediapoll_event_t event) 573 { 574 #if defined(TULIP_DEBUG) 575 sc->tulip_dbg.dbg_events[event]++; 576 #endif 577 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 578 && event == TULIP_MEDIAPOLL_TIMER) { 579 switch (tulip_media_link_monitor(sc)) { 580 case TULIP_LINK_DOWN: { 581 /* 582 * Link Monitor failed. Probe for new media. 583 */ 584 event = TULIP_MEDIAPOLL_LINKFAIL; 585 break; 586 } 587 case TULIP_LINK_UP: { 588 /* 589 * Check again soon. 590 */ 591 tulip_timeout(sc); 592 return; 593 } 594 case TULIP_LINK_UNKNOWN: { 595 /* 596 * We can't tell so don't bother. 597 */ 598 return; 599 } 600 } 601 } 602 603 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 604 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 605 if (TULIP_DO_AUTOSENSE(sc)) { 606 #if defined(TULIP_DEBUG) 607 sc->tulip_dbg.dbg_link_failures++; 608 #endif 609 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 610 if (sc->tulip_if.if_flags & IFF_UP) 611 tulip_reset(sc); /* restart probe */ 612 } 613 return; 614 } 615 #if defined(TULIP_DEBUG) 616 sc->tulip_dbg.dbg_link_pollintrs++; 617 #endif 618 } 619 620 if (event == TULIP_MEDIAPOLL_START) { 621 sc->tulip_if.if_flags |= IFF_OACTIVE; 622 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 623 return; 624 sc->tulip_probe_mediamask = 0; 625 sc->tulip_probe_passes = 0; 626 #if defined(TULIP_DEBUG) 627 sc->tulip_dbg.dbg_media_probes++; 628 #endif 629 /* 630 * If the SROM contained an explicit media to use, use it. 631 */ 632 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 633 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 634 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 635 /* 636 * connidx is defaulted to a media_unknown type. 637 */ 638 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 639 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 640 tulip_linkup(sc, sc->tulip_probe_media); 641 tulip_timeout(sc); 642 return; 643 } 644 645 if (sc->tulip_features & TULIP_HAVE_GPR) { 646 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 647 sc->tulip_probe_timeout = 2000; 648 } else { 649 sc->tulip_probe_media = TULIP_MEDIA_MAX; 650 sc->tulip_probe_timeout = 0; 651 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 652 } 653 } 654 655 /* 656 * Ignore txprobe failures or spurious callbacks. 657 */ 658 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 659 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 660 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 661 return; 662 } 663 664 /* 665 * If we really transmitted a packet, then that's the media we'll use. 666 */ 667 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 668 if (event == TULIP_MEDIAPOLL_LINKPASS) { 669 /* XXX Check media status just to be sure */ 670 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 671 #if defined(TULIP_DEBUG) 672 } else { 673 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 674 #endif 675 } 676 tulip_linkup(sc, sc->tulip_probe_media); 677 tulip_timeout(sc); 678 return; 679 } 680 681 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 682 #if defined(TULIP_DO_GPR_SENSE) 683 /* 684 * Check for media via the general purpose register. 685 * 686 * Try to sense the media via the GPR. If the same value 687 * occurs 3 times in a row then just use that. 688 */ 689 if (sc->tulip_probe_timeout > 0) { 690 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 691 #if defined(TULIP_DEBUG) 692 printf("%s: media_poll: gpr sensing = %s\n", 693 sc->tulip_xname, tulip_mediums[new_probe_media]); 694 #endif 695 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 696 if (new_probe_media == sc->tulip_probe_media) { 697 if (--sc->tulip_probe_count == 0) 698 tulip_linkup(sc, sc->tulip_probe_media); 699 } else { 700 sc->tulip_probe_count = 10; 701 } 702 } 703 sc->tulip_probe_media = new_probe_media; 704 tulip_timeout(sc); 705 return; 706 } 707 #endif /* TULIP_DO_GPR_SENSE */ 708 /* 709 * Brute force. We cycle through each of the media types 710 * and try to transmit a packet. 711 */ 712 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 713 sc->tulip_probe_media = TULIP_MEDIA_MAX; 714 sc->tulip_probe_timeout = 0; 715 tulip_timeout(sc); 716 return; 717 } 718 719 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 720 && (sc->tulip_features & TULIP_HAVE_MII)) { 721 tulip_media_t old_media = sc->tulip_probe_media; 722 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 723 switch (sc->tulip_probe_state) { 724 case TULIP_PROBE_FAILED: 725 case TULIP_PROBE_MEDIATEST: { 726 /* 727 * Try the next media. 728 */ 729 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 730 sc->tulip_probe_timeout = 0; 731 #ifdef notyet 732 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 733 break; 734 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 735 break; 736 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 737 #endif 738 break; 739 } 740 case TULIP_PROBE_PHYAUTONEG: { 741 return; 742 } 743 case TULIP_PROBE_INACTIVE: { 744 /* 745 * Only probe if we autonegotiated a media that hasn't failed. 746 */ 747 sc->tulip_probe_timeout = 0; 748 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 749 sc->tulip_probe_media = old_media; 750 break; 751 } 752 tulip_linkup(sc, sc->tulip_probe_media); 753 tulip_timeout(sc); 754 return; 755 } 756 default: { 757 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 758 panic("tulip_media_poll: botch at line %d\n", __LINE__); 759 #endif 760 break; 761 } 762 } 763 } 764 765 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 766 #if defined(TULIP_DEBUG) 767 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 768 #endif 769 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 770 return; 771 } 772 773 /* 774 * switch to another media if we tried this one enough. 775 */ 776 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 777 #if defined(TULIP_DEBUG) 778 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 779 printf("%s: poll media unknown!\n", 780 sc->tulip_xname); 781 sc->tulip_probe_media = TULIP_MEDIA_MAX; 782 } 783 #endif 784 /* 785 * Find the next media type to check for. Full Duplex 786 * types are not allowed. 787 */ 788 do { 789 sc->tulip_probe_media -= 1; 790 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 791 if (++sc->tulip_probe_passes == 3) { 792 printf("%s: autosense failed: cable problem?\n", 793 sc->tulip_xname); 794 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 795 sc->tulip_if.if_flags &= ~IFF_RUNNING; 796 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 797 return; 798 } 799 } 800 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 801 sc->tulip_probe_mediamask = 0; 802 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 803 } 804 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 805 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 806 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 807 808 #if defined(TULIP_DEBUG) 809 printf("%s: %s: probing %s\n", sc->tulip_xname, 810 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 811 tulip_mediums[sc->tulip_probe_media]); 812 #endif 813 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 814 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 815 sc->tulip_probe.probe_txprobes = 0; 816 tulip_reset(sc); 817 tulip_media_set(sc, sc->tulip_probe_media); 818 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 819 } 820 tulip_timeout(sc); 821 822 /* 823 * If this is hanging off a phy, we know are doing NWAY and we have 824 * forced the phy to a specific speed. Wait for link up before 825 * before sending a packet. 826 */ 827 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 828 case TULIP_MEDIAINFO_MII: { 829 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 830 return; 831 break; 832 } 833 case TULIP_MEDIAINFO_SIA: { 834 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 835 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 836 return; 837 tulip_linkup(sc, sc->tulip_probe_media); 838 #ifdef notyet 839 if (sc->tulip_features & TULIP_HAVE_MII) 840 tulip_timeout(sc); 841 #endif 842 return; 843 } 844 break; 845 } 846 case TULIP_MEDIAINFO_RESET: 847 case TULIP_MEDIAINFO_SYM: 848 case TULIP_MEDIAINFO_NONE: 849 case TULIP_MEDIAINFO_GPR: { 850 break; 851 } 852 } 853 /* 854 * Try to send a packet. 855 */ 856 tulip_txprobe(sc); 857 } 858 859 static void 860 tulip_media_select( 861 tulip_softc_t * const sc) 862 { 863 if (sc->tulip_features & TULIP_HAVE_GPR) { 864 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 865 DELAY(10); 866 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 867 } 868 /* 869 * If this board has no media, just return 870 */ 871 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 872 return; 873 874 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 875 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 876 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 877 } else { 878 tulip_media_set(sc, sc->tulip_media); 879 } 880 } 881 882 static void 883 tulip_21040_mediainfo_init( 884 tulip_softc_t * const sc, 885 tulip_media_t media) 886 { 887 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 888 |TULIP_CMD_BACKOFFCTR; 889 sc->tulip_if.if_baudrate = 10000000; 890 891 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 892 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 893 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 894 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 895 } 896 897 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 898 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 899 } 900 901 if (media == TULIP_MEDIA_UNKNOWN) { 902 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 903 } 904 } 905 906 static void 907 tulip_21040_media_probe( 908 tulip_softc_t * const sc) 909 { 910 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 911 return; 912 } 913 914 static void 915 tulip_21040_10baset_only_media_probe( 916 tulip_softc_t * const sc) 917 { 918 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 919 tulip_media_set(sc, TULIP_MEDIA_10BASET); 920 sc->tulip_media = TULIP_MEDIA_10BASET; 921 } 922 923 static void 924 tulip_21040_10baset_only_media_select( 925 tulip_softc_t * const sc) 926 { 927 sc->tulip_flags |= TULIP_LINKUP; 928 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 929 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 930 sc->tulip_flags &= ~TULIP_SQETEST; 931 } else { 932 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 933 sc->tulip_flags |= TULIP_SQETEST; 934 } 935 tulip_media_set(sc, sc->tulip_media); 936 } 937 938 static void 939 tulip_21040_auibnc_only_media_probe( 940 tulip_softc_t * const sc) 941 { 942 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 943 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 944 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 945 sc->tulip_media = TULIP_MEDIA_AUIBNC; 946 } 947 948 static void 949 tulip_21040_auibnc_only_media_select( 950 tulip_softc_t * const sc) 951 { 952 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 953 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 954 } 955 956 static const tulip_boardsw_t tulip_21040_boardsw = { 957 TULIP_21040_GENERIC, 958 tulip_21040_media_probe, 959 tulip_media_select, 960 tulip_media_poll, 961 }; 962 963 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 964 TULIP_21040_GENERIC, 965 tulip_21040_10baset_only_media_probe, 966 tulip_21040_10baset_only_media_select, 967 NULL, 968 }; 969 970 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 971 TULIP_21040_GENERIC, 972 tulip_21040_auibnc_only_media_probe, 973 tulip_21040_auibnc_only_media_select, 974 NULL, 975 }; 976 977 static void 978 tulip_21041_mediainfo_init( 979 tulip_softc_t * const sc) 980 { 981 tulip_media_info_t * const mi = sc->tulip_mediainfo; 982 983 #ifdef notyet 984 if (sc->tulip_revinfo >= 0x20) { 985 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 986 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 987 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 988 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 989 return; 990 } 991 #endif 992 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 993 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 994 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 995 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 996 } 997 998 static void 999 tulip_21041_media_probe( 1000 tulip_softc_t * const sc) 1001 { 1002 sc->tulip_if.if_baudrate = 10000000; 1003 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1004 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1005 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1006 tulip_21041_mediainfo_init(sc); 1007 } 1008 1009 static void 1010 tulip_21041_media_poll( 1011 tulip_softc_t * const sc, 1012 const tulip_mediapoll_event_t event) 1013 { 1014 u_int32_t sia_status; 1015 1016 #if defined(TULIP_DEBUG) 1017 sc->tulip_dbg.dbg_events[event]++; 1018 #endif 1019 1020 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1021 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1022 || !TULIP_DO_AUTOSENSE(sc)) 1023 return; 1024 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1025 tulip_reset(sc); /* start probe */ 1026 return; 1027 } 1028 1029 /* 1030 * If we've been been asked to start a poll or link change interrupt 1031 * restart the probe (and reset the tulip to a known state). 1032 */ 1033 if (event == TULIP_MEDIAPOLL_START) { 1034 sc->tulip_if.if_flags |= IFF_OACTIVE; 1035 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1036 #ifdef notyet 1037 if (sc->tulip_revinfo >= 0x20) { 1038 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1039 sc->tulip_flags |= TULIP_DIDNWAY; 1040 } 1041 #endif 1042 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1043 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1044 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1045 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1046 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1047 tulip_timeout(sc); 1048 return; 1049 } 1050 1051 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1052 return; 1053 1054 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1055 #if defined(TULIP_DEBUG) 1056 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1057 #endif 1058 tulip_linkup(sc, sc->tulip_probe_media); 1059 return; 1060 } 1061 1062 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1063 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1064 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1065 if (sc->tulip_revinfo >= 0x20) { 1066 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1067 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1068 } 1069 /* 1070 * If the link has passed LinkPass, 10baseT is the 1071 * proper media to use. 1072 */ 1073 tulip_linkup(sc, sc->tulip_probe_media); 1074 return; 1075 } 1076 1077 /* 1078 * wait for up to 2.4 seconds for the link to reach pass state. 1079 * Only then start scanning the other media for activity. 1080 * choose media with receive activity over those without. 1081 */ 1082 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1083 if (event != TULIP_MEDIAPOLL_TIMER) 1084 return; 1085 if (sc->tulip_probe_timeout > 0 1086 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1087 tulip_timeout(sc); 1088 return; 1089 } 1090 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1091 sc->tulip_flags |= TULIP_WANTRXACT; 1092 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1093 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1094 } else { 1095 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1096 } 1097 tulip_media_set(sc, sc->tulip_probe_media); 1098 tulip_timeout(sc); 1099 return; 1100 } 1101 1102 /* 1103 * If we failed, clear the txprobe active flag. 1104 */ 1105 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1106 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1107 1108 1109 if (event == TULIP_MEDIAPOLL_TIMER) { 1110 /* 1111 * If we've received something, then that's our link! 1112 */ 1113 if (sc->tulip_flags & TULIP_RXACT) { 1114 tulip_linkup(sc, sc->tulip_probe_media); 1115 return; 1116 } 1117 /* 1118 * if no txprobe active 1119 */ 1120 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1121 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1122 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1123 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1124 tulip_txprobe(sc); 1125 tulip_timeout(sc); 1126 return; 1127 } 1128 /* 1129 * Take 2 passes through before deciding to not 1130 * wait for receive activity. Then take another 1131 * two passes before spitting out a warning. 1132 */ 1133 if (sc->tulip_probe_timeout <= 0) { 1134 if (sc->tulip_flags & TULIP_WANTRXACT) { 1135 sc->tulip_flags &= ~TULIP_WANTRXACT; 1136 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1137 } else { 1138 printf("%s: autosense failed: cable problem?\n", 1139 sc->tulip_xname); 1140 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1141 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1142 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1143 return; 1144 } 1145 } 1146 } 1147 } 1148 1149 /* 1150 * Since this media failed to probe, try the other one. 1151 */ 1152 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1153 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1154 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1155 } else { 1156 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1157 } 1158 tulip_media_set(sc, sc->tulip_probe_media); 1159 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1160 tulip_timeout(sc); 1161 } 1162 1163 static const tulip_boardsw_t tulip_21041_boardsw = { 1164 TULIP_21041_GENERIC, 1165 tulip_21041_media_probe, 1166 tulip_media_select, 1167 tulip_21041_media_poll 1168 }; 1169 1170 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1171 { 0x20005c00, 0, /* 08-00-17 */ 1172 { 1173 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1174 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1175 }, 1176 #if defined(TULIP_DEBUG) 1177 "NS DP83840", 1178 #endif 1179 }, 1180 { 0x0281F400, 0, /* 00-A0-7D */ 1181 { 1182 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1183 { }, /* 100TX */ 1184 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1185 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1186 }, 1187 #if defined(TULIP_DEBUG) 1188 "Seeq 80C240" 1189 #endif 1190 }, 1191 #if 0 1192 { 0x0015F420, 0, /* 00-A0-7D */ 1193 { 1194 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1195 { }, /* 100TX */ 1196 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1197 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1198 }, 1199 #if defined(TULIP_DEBUG) 1200 "Broadcom BCM5000" 1201 #endif 1202 }, 1203 #endif 1204 { 0x0281F400, 0, /* 00-A0-BE */ 1205 { 1206 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1207 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1208 { }, /* 100T4 */ 1209 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1210 }, 1211 #if defined(TULIP_DEBUG) 1212 "ICS 1890" 1213 #endif 1214 }, 1215 { 0 } 1216 }; 1217 1218 static tulip_media_t 1219 tulip_mii_phy_readspecific( 1220 tulip_softc_t * const sc) 1221 { 1222 const tulip_phy_attr_t *attr; 1223 u_int16_t data; 1224 u_int32_t id; 1225 unsigned idx = 0; 1226 static const tulip_media_t table[] = { 1227 TULIP_MEDIA_UNKNOWN, 1228 TULIP_MEDIA_10BASET, 1229 TULIP_MEDIA_100BASETX, 1230 TULIP_MEDIA_100BASET4, 1231 TULIP_MEDIA_UNKNOWN, 1232 TULIP_MEDIA_10BASET_FD, 1233 TULIP_MEDIA_100BASETX_FD, 1234 TULIP_MEDIA_UNKNOWN 1235 }; 1236 1237 /* 1238 * Don't read phy specific registers if link is not up. 1239 */ 1240 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1241 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1242 return TULIP_MEDIA_UNKNOWN; 1243 1244 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1245 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1246 for (attr = tulip_mii_phy_attrlist;; attr++) { 1247 if (attr->attr_id == 0) 1248 return TULIP_MEDIA_UNKNOWN; 1249 if ((id & ~0x0F) == attr->attr_id) 1250 break; 1251 } 1252 1253 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1254 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1255 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1256 if ((data & pm->pm_mask) == pm->pm_value) 1257 idx = 2; 1258 } 1259 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1260 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1261 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1262 if ((data & pm->pm_mask) == pm->pm_value) 1263 idx = 3; 1264 } 1265 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1266 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1267 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1268 if ((data & pm->pm_mask) == pm->pm_value) 1269 idx = 1; 1270 } 1271 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1272 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1273 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1274 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1275 } 1276 return table[idx]; 1277 } 1278 1279 static unsigned 1280 tulip_mii_get_phyaddr( 1281 tulip_softc_t * const sc, 1282 unsigned offset) 1283 { 1284 unsigned phyaddr; 1285 1286 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1287 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1288 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1289 continue; 1290 if (offset == 0) 1291 return phyaddr; 1292 offset--; 1293 } 1294 if (offset == 0) { 1295 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1296 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1297 return TULIP_MII_NOPHY; 1298 return 0; 1299 } 1300 return TULIP_MII_NOPHY; 1301 } 1302 1303 static int 1304 tulip_mii_map_abilities( 1305 tulip_softc_t * const sc, 1306 unsigned abilities) 1307 { 1308 sc->tulip_abilities = abilities; 1309 if (abilities & PHYSTS_100BASETX_FD) { 1310 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1311 } else if (abilities & PHYSTS_100BASET4) { 1312 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1313 } else if (abilities & PHYSTS_100BASETX) { 1314 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1315 } else if (abilities & PHYSTS_10BASET_FD) { 1316 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1317 } else if (abilities & PHYSTS_10BASET) { 1318 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1319 } else { 1320 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1321 return 0; 1322 } 1323 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1324 return 1; 1325 } 1326 1327 static void 1328 tulip_mii_autonegotiate( 1329 tulip_softc_t * const sc, 1330 const unsigned phyaddr) 1331 { 1332 switch (sc->tulip_probe_state) { 1333 case TULIP_PROBE_MEDIATEST: 1334 case TULIP_PROBE_INACTIVE: { 1335 sc->tulip_flags |= TULIP_DIDNWAY; 1336 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1337 sc->tulip_probe_timeout = 3000; 1338 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1339 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1340 } 1341 /* FALLTHROUGH */ 1342 case TULIP_PROBE_PHYRESET: { 1343 u_int32_t status; 1344 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1345 if (data & PHYCTL_RESET) { 1346 if (sc->tulip_probe_timeout > 0) { 1347 tulip_timeout(sc); 1348 return; 1349 } 1350 printf("%s(phy%d): error: reset of PHY never completed!\n", 1351 sc->tulip_xname, phyaddr); 1352 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1353 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1354 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1355 return; 1356 } 1357 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1358 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1359 #if defined(TULIP_DEBUG) 1360 loudprintf("%s(phy%d): autonegotiation disabled\n", 1361 sc->tulip_xname, phyaddr); 1362 #endif 1363 sc->tulip_flags &= ~TULIP_DIDNWAY; 1364 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1365 return; 1366 } 1367 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1368 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1369 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1370 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1371 #if defined(TULIP_DEBUG) 1372 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1373 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1374 sc->tulip_xname, phyaddr, data); 1375 else 1376 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1377 sc->tulip_xname, phyaddr, data); 1378 sc->tulip_dbg.dbg_nway_starts++; 1379 #endif 1380 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1381 sc->tulip_probe_timeout = 3000; 1382 } 1383 /* FALLTHROUGH */ 1384 case TULIP_PROBE_PHYAUTONEG: { 1385 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1386 u_int32_t data; 1387 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1388 if (sc->tulip_probe_timeout > 0) { 1389 tulip_timeout(sc); 1390 return; 1391 } 1392 #if defined(TULIP_DEBUG) 1393 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1394 sc->tulip_xname, phyaddr, status, 1395 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1396 #endif 1397 sc->tulip_flags &= ~TULIP_DIDNWAY; 1398 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1399 return; 1400 } 1401 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1402 #if defined(TULIP_DEBUG) 1403 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1404 sc->tulip_xname, phyaddr, data); 1405 #endif 1406 data = (data << 6) & status; 1407 if (!tulip_mii_map_abilities(sc, data)) 1408 sc->tulip_flags &= ~TULIP_DIDNWAY; 1409 return; 1410 } 1411 default: { 1412 #if defined(DIAGNOSTIC) 1413 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1414 #endif 1415 break; 1416 } 1417 } 1418 #if defined(TULIP_DEBUG) 1419 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1420 sc->tulip_xname, phyaddr, sc->tulip_probe_state); 1421 sc->tulip_dbg.dbg_nway_failures++; 1422 #endif 1423 } 1424 1425 static void 1426 tulip_2114x_media_preset( 1427 tulip_softc_t * const sc) 1428 { 1429 const tulip_media_info_t *mi = NULL; 1430 tulip_media_t media = sc->tulip_media; 1431 1432 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1433 media = sc->tulip_media; 1434 else 1435 media = sc->tulip_probe_media; 1436 1437 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1438 sc->tulip_flags &= ~TULIP_SQETEST; 1439 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1440 #if defined(TULIP_DEBUG) 1441 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1442 #endif 1443 mi = sc->tulip_mediums[media]; 1444 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1445 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1446 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1447 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1448 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1449 sc->tulip_cmdmode |= mi->mi_cmdmode; 1450 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1451 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1452 } 1453 #if defined(TULIP_DEBUG) 1454 } else { 1455 printf("%s: preset: bad media %d!\n", 1456 sc->tulip_xname, media); 1457 } 1458 #endif 1459 } 1460 switch (media) { 1461 case TULIP_MEDIA_BNC: 1462 case TULIP_MEDIA_AUI: 1463 case TULIP_MEDIA_10BASET: { 1464 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1465 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1466 sc->tulip_if.if_baudrate = 10000000; 1467 sc->tulip_flags |= TULIP_SQETEST; 1468 break; 1469 } 1470 case TULIP_MEDIA_10BASET_FD: { 1471 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1472 sc->tulip_if.if_baudrate = 10000000; 1473 break; 1474 } 1475 case TULIP_MEDIA_100BASEFX: 1476 case TULIP_MEDIA_100BASET4: 1477 case TULIP_MEDIA_100BASETX: { 1478 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1479 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1480 sc->tulip_if.if_baudrate = 100000000; 1481 break; 1482 } 1483 case TULIP_MEDIA_100BASEFX_FD: 1484 case TULIP_MEDIA_100BASETX_FD: { 1485 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1486 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1487 sc->tulip_if.if_baudrate = 100000000; 1488 break; 1489 } 1490 default: { 1491 break; 1492 } 1493 } 1494 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1495 } 1496 1497 /* 1498 ******************************************************************** 1499 * Start of 21140/21140A support which does not use the MII interface 1500 */ 1501 1502 static void 1503 tulip_null_media_poll( 1504 tulip_softc_t * const sc, 1505 tulip_mediapoll_event_t event) 1506 { 1507 #if defined(TULIP_DEBUG) 1508 sc->tulip_dbg.dbg_events[event]++; 1509 #endif 1510 #if defined(DIAGNOSTIC) 1511 printf("%s: botch(media_poll) at line %d\n", 1512 sc->tulip_xname, __LINE__); 1513 #endif 1514 } 1515 1516 __inline__ static void 1517 tulip_21140_mediainit( 1518 tulip_softc_t * const sc, 1519 tulip_media_info_t * const mip, 1520 tulip_media_t const media, 1521 unsigned gpdata, 1522 unsigned cmdmode) 1523 { 1524 sc->tulip_mediums[media] = mip; 1525 mip->mi_type = TULIP_MEDIAINFO_GPR; 1526 mip->mi_cmdmode = cmdmode; 1527 mip->mi_gpdata = gpdata; 1528 } 1529 1530 static void 1531 tulip_21140_evalboard_media_probe( 1532 tulip_softc_t * const sc) 1533 { 1534 tulip_media_info_t *mip = sc->tulip_mediainfo; 1535 1536 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1537 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1538 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1539 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1540 TULIP_CSR_WRITE(sc, csr_command, 1541 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1542 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1543 TULIP_CSR_WRITE(sc, csr_command, 1544 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1545 DELAY(1000000); 1546 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1547 sc->tulip_media = TULIP_MEDIA_10BASET; 1548 } else { 1549 sc->tulip_media = TULIP_MEDIA_100BASETX; 1550 } 1551 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1552 TULIP_GP_EB_INIT, 1553 TULIP_CMD_TXTHRSHLDCTL); 1554 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1555 TULIP_GP_EB_INIT, 1556 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1557 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1558 TULIP_GP_EB_INIT, 1559 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1560 |TULIP_CMD_SCRAMBLER); 1561 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1562 TULIP_GP_EB_INIT, 1563 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1564 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1565 } 1566 1567 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1568 TULIP_21140_DEC_EB, 1569 tulip_21140_evalboard_media_probe, 1570 tulip_media_select, 1571 tulip_null_media_poll, 1572 tulip_2114x_media_preset, 1573 }; 1574 1575 static void 1576 tulip_21140_accton_media_probe( 1577 tulip_softc_t * const sc) 1578 { 1579 tulip_media_info_t *mip = sc->tulip_mediainfo; 1580 unsigned gpdata; 1581 1582 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1583 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1584 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1585 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1586 TULIP_CSR_WRITE(sc, csr_command, 1587 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1588 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1589 TULIP_CSR_WRITE(sc, csr_command, 1590 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1591 DELAY(1000000); 1592 gpdata = TULIP_CSR_READ(sc, csr_gp); 1593 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1594 sc->tulip_media = TULIP_MEDIA_10BASET; 1595 } else { 1596 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1597 sc->tulip_media = TULIP_MEDIA_BNC; 1598 } else { 1599 sc->tulip_media = TULIP_MEDIA_100BASETX; 1600 } 1601 } 1602 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1603 TULIP_GP_EN1207_BNC_INIT, 1604 TULIP_CMD_TXTHRSHLDCTL); 1605 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1606 TULIP_GP_EN1207_UTP_INIT, 1607 TULIP_CMD_TXTHRSHLDCTL); 1608 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1609 TULIP_GP_EN1207_UTP_INIT, 1610 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1612 TULIP_GP_EN1207_100_INIT, 1613 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1614 |TULIP_CMD_SCRAMBLER); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1616 TULIP_GP_EN1207_100_INIT, 1617 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1618 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1619 } 1620 1621 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1622 TULIP_21140_EN1207, 1623 tulip_21140_accton_media_probe, 1624 tulip_media_select, 1625 tulip_null_media_poll, 1626 tulip_2114x_media_preset, 1627 }; 1628 1629 static void 1630 tulip_21140_smc9332_media_probe( 1631 tulip_softc_t * const sc) 1632 { 1633 tulip_media_info_t *mip = sc->tulip_mediainfo; 1634 int idx, cnt = 0; 1635 1636 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1637 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1638 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1639 33MHz that comes to two microseconds but wait a 1640 bit longer anyways) */ 1641 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1642 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1643 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1644 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1645 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1646 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1647 DELAY(200000); 1648 for (idx = 1000; idx > 0; idx--) { 1649 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1650 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1651 if (++cnt > 100) 1652 break; 1653 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1654 break; 1655 } else { 1656 cnt = 0; 1657 } 1658 DELAY(1000); 1659 } 1660 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1661 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1662 TULIP_GP_SMC_9332_INIT, 1663 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1664 |TULIP_CMD_SCRAMBLER); 1665 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1666 TULIP_GP_SMC_9332_INIT, 1667 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1668 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1669 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1670 TULIP_GP_SMC_9332_INIT, 1671 TULIP_CMD_TXTHRSHLDCTL); 1672 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1673 TULIP_GP_SMC_9332_INIT, 1674 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1675 } 1676 1677 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1678 TULIP_21140_SMC_9332, 1679 tulip_21140_smc9332_media_probe, 1680 tulip_media_select, 1681 tulip_null_media_poll, 1682 tulip_2114x_media_preset, 1683 }; 1684 1685 static void 1686 tulip_21140_cogent_em100_media_probe( 1687 tulip_softc_t * const sc) 1688 { 1689 tulip_media_info_t *mip = sc->tulip_mediainfo; 1690 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1691 1692 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1693 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1694 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1695 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1696 1697 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1698 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1699 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1700 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1701 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1702 1703 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1704 TULIP_GP_EM100_INIT, 1705 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1706 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1707 TULIP_GP_EM100_INIT, 1708 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1709 |TULIP_CMD_FULLDUPLEX); 1710 } else { 1711 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1712 sc->tulip_media = TULIP_MEDIA_100BASETX; 1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1714 TULIP_GP_EM100_INIT, 1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1716 |TULIP_CMD_SCRAMBLER); 1717 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1718 TULIP_GP_EM100_INIT, 1719 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1720 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1721 } 1722 } 1723 1724 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1725 TULIP_21140_COGENT_EM100, 1726 tulip_21140_cogent_em100_media_probe, 1727 tulip_media_select, 1728 tulip_null_media_poll, 1729 tulip_2114x_media_preset 1730 }; 1731 1732 static void 1733 tulip_21140_znyx_zx34x_media_probe( 1734 tulip_softc_t * const sc) 1735 { 1736 tulip_media_info_t *mip = sc->tulip_mediainfo; 1737 int cnt10 = 0, cnt100 = 0, idx; 1738 1739 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1740 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1741 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1742 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1743 TULIP_CSR_WRITE(sc, csr_command, 1744 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1745 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1746 TULIP_CSR_WRITE(sc, csr_command, 1747 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1748 1749 DELAY(200000); 1750 for (idx = 1000; idx > 0; idx--) { 1751 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1752 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { 1753 if (++cnt100 > 100) 1754 break; 1755 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1756 if (++cnt10 > 100) 1757 break; 1758 } else { 1759 cnt10 = 0; 1760 cnt100 = 0; 1761 } 1762 DELAY(1000); 1763 } 1764 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1765 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1766 TULIP_GP_ZX34X_INIT, 1767 TULIP_CMD_TXTHRSHLDCTL); 1768 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1769 TULIP_GP_ZX34X_INIT, 1770 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1771 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1772 TULIP_GP_ZX34X_INIT, 1773 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1774 |TULIP_CMD_SCRAMBLER); 1775 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1776 TULIP_GP_ZX34X_INIT, 1777 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1778 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1779 } 1780 1781 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1782 TULIP_21140_ZNYX_ZX34X, 1783 tulip_21140_znyx_zx34x_media_probe, 1784 tulip_media_select, 1785 tulip_null_media_poll, 1786 tulip_2114x_media_preset, 1787 }; 1788 1789 static void 1790 tulip_2114x_media_probe( 1791 tulip_softc_t * const sc) 1792 { 1793 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1794 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1795 } 1796 1797 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1798 TULIP_21140_ISV, 1799 tulip_2114x_media_probe, 1800 tulip_media_select, 1801 tulip_media_poll, 1802 tulip_2114x_media_preset, 1803 }; 1804 1805 /* 1806 * ******** END of chip-specific handlers. *********** 1807 */ 1808 1809 /* 1810 * Code the read the SROM and MII bit streams (I2C) 1811 */ 1812 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1813 1814 static void 1815 tulip_srom_idle( 1816 tulip_softc_t * const sc) 1817 { 1818 unsigned bit, csr; 1819 1820 csr = SROMSEL ; EMIT; 1821 csr = SROMSEL | SROMRD; EMIT; 1822 csr ^= SROMCS; EMIT; 1823 csr ^= SROMCLKON; EMIT; 1824 1825 /* 1826 * Write 25 cycles of 0 which will force the SROM to be idle. 1827 */ 1828 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1829 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1830 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1831 } 1832 csr ^= SROMCLKOFF; EMIT; 1833 csr ^= SROMCS; EMIT; 1834 csr = 0; EMIT; 1835 } 1836 1837 1838 static void 1839 tulip_srom_read( 1840 tulip_softc_t * const sc) 1841 { 1842 unsigned idx; 1843 const unsigned bitwidth = SROM_BITWIDTH; 1844 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1845 const unsigned msb = 1 << (bitwidth + 3 - 1); 1846 unsigned lastidx = (1 << bitwidth) - 1; 1847 1848 tulip_srom_idle(sc); 1849 1850 for (idx = 0; idx <= lastidx; idx++) { 1851 unsigned lastbit, data, bits, bit, csr; 1852 csr = SROMSEL ; EMIT; 1853 csr = SROMSEL | SROMRD; EMIT; 1854 csr ^= SROMCSON; EMIT; 1855 csr ^= SROMCLKON; EMIT; 1856 1857 lastbit = 0; 1858 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1859 const unsigned thisbit = bits & msb; 1860 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1861 if (thisbit != lastbit) { 1862 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1863 } else { 1864 EMIT; 1865 } 1866 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1867 lastbit = thisbit; 1868 } 1869 csr ^= SROMCLKOFF; EMIT; 1870 1871 for (data = 0, bits = 0; bits < 16; bits++) { 1872 data <<= 1; 1873 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1874 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1875 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1876 } 1877 sc->tulip_rombuf[idx*2] = data & 0xFF; 1878 sc->tulip_rombuf[idx*2+1] = data >> 8; 1879 csr = SROMSEL | SROMRD; EMIT; 1880 csr = 0; EMIT; 1881 } 1882 tulip_srom_idle(sc); 1883 } 1884 1885 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1886 1887 static void 1888 tulip_mii_writebits( 1889 tulip_softc_t * const sc, 1890 unsigned data, 1891 unsigned bits) 1892 { 1893 unsigned msb = 1 << (bits - 1); 1894 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1895 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1896 1897 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1898 1899 for (; bits > 0; bits--, data <<= 1) { 1900 const unsigned thisbit = data & msb; 1901 if (thisbit != lastbit) { 1902 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1903 } 1904 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1905 lastbit = thisbit; 1906 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1907 } 1908 } 1909 1910 static void 1911 tulip_mii_turnaround( 1912 tulip_softc_t * const sc, 1913 unsigned cmd) 1914 { 1915 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1916 1917 if (cmd == MII_WRCMD) { 1918 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1919 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1920 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1921 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1922 } else { 1923 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1924 } 1925 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1926 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1927 } 1928 1929 static unsigned 1930 tulip_mii_readbits( 1931 tulip_softc_t * const sc) 1932 { 1933 unsigned data; 1934 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1935 int idx; 1936 1937 for (idx = 0, data = 0; idx < 16; idx++) { 1938 data <<= 1; /* this is NOOP on the first pass through */ 1939 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1940 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1941 data |= 1; 1942 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1943 } 1944 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1945 1946 return data; 1947 } 1948 1949 static unsigned 1950 tulip_mii_readreg( 1951 tulip_softc_t * const sc, 1952 unsigned devaddr, 1953 unsigned regno) 1954 { 1955 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1956 unsigned data; 1957 1958 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1959 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1960 tulip_mii_writebits(sc, MII_RDCMD, 8); 1961 tulip_mii_writebits(sc, devaddr, 5); 1962 tulip_mii_writebits(sc, regno, 5); 1963 tulip_mii_turnaround(sc, MII_RDCMD); 1964 1965 data = tulip_mii_readbits(sc); 1966 #if defined(TULIP_DEBUG) 1967 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1968 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1969 #endif 1970 return data; 1971 } 1972 1973 static void 1974 tulip_mii_writereg( 1975 tulip_softc_t * const sc, 1976 unsigned devaddr, 1977 unsigned regno, 1978 unsigned data) 1979 { 1980 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1981 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1982 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1983 tulip_mii_writebits(sc, MII_WRCMD, 8); 1984 tulip_mii_writebits(sc, devaddr, 5); 1985 tulip_mii_writebits(sc, regno, 5); 1986 tulip_mii_turnaround(sc, MII_WRCMD); 1987 tulip_mii_writebits(sc, data, 16); 1988 #if defined(TULIP_DEBUG) 1989 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1990 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1991 #endif 1992 } 1993 1994 #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 1995 #define tulip_srom_crcok(databuf) ( \ 1996 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1997 ((databuf)[126] | ((databuf)[127] << 8))) 1998 1999 static unsigned 2000 tulip_crc32( 2001 const unsigned char *databuf, 2002 size_t datalen) 2003 { 2004 u_int idx, crc = 0xFFFFFFFFUL; 2005 static const u_int crctab[] = { 2006 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2007 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2008 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2009 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2010 }; 2011 2012 for (idx = 0; idx < datalen; idx++) { 2013 crc ^= *databuf++; 2014 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2015 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2016 } 2017 return crc; 2018 } 2019 2020 static void 2021 tulip_identify_dec_nic( 2022 tulip_softc_t * const sc) 2023 { 2024 strcpy(sc->tulip_boardid, "DEC "); 2025 #define D0 4 2026 if (sc->tulip_chipid <= TULIP_21040) 2027 return; 2028 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2029 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2030 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2031 sc->tulip_boardid[D0+8] = ' '; 2032 } 2033 #undef D0 2034 } 2035 2036 static void 2037 tulip_identify_znyx_nic( 2038 tulip_softc_t * const sc) 2039 { 2040 unsigned id = 0; 2041 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2042 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2043 unsigned znyx_ptr; 2044 sc->tulip_boardid[8] = '4'; 2045 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2046 if (znyx_ptr < 26 || znyx_ptr > 116) { 2047 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2048 return; 2049 } 2050 /* ZX344 = 0010 .. 0013FF 2051 */ 2052 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2053 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2054 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2055 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2056 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2057 sc->tulip_boardid[9] = '2'; 2058 if (id == TULIP_ZNYX_ID_ZX342B) { 2059 sc->tulip_boardid[10] = 'B'; 2060 sc->tulip_boardid[11] = ' '; 2061 } 2062 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2063 } else if (id == TULIP_ZNYX_ID_ZX344) { 2064 sc->tulip_boardid[10] = '4'; 2065 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2066 } else if (id == TULIP_ZNYX_ID_ZX345) { 2067 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2068 } else if (id == TULIP_ZNYX_ID_ZX346) { 2069 sc->tulip_boardid[9] = '6'; 2070 } else if (id == TULIP_ZNYX_ID_ZX351) { 2071 sc->tulip_boardid[8] = '5'; 2072 sc->tulip_boardid[9] = '1'; 2073 } 2074 } 2075 if (id == 0) { 2076 /* 2077 * Assume it's a ZX342... 2078 */ 2079 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2080 } 2081 return; 2082 } 2083 sc->tulip_boardid[8] = '1'; 2084 if (sc->tulip_chipid == TULIP_21041) { 2085 sc->tulip_boardid[10] = '1'; 2086 return; 2087 } 2088 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2089 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2090 if (id == TULIP_ZNYX_ID_ZX312T) { 2091 sc->tulip_boardid[9] = '2'; 2092 sc->tulip_boardid[10] = 'T'; 2093 sc->tulip_boardid[11] = ' '; 2094 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2095 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2096 sc->tulip_boardid[9] = '4'; 2097 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2098 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2099 } else if (id == TULIP_ZNYX_ID_ZX314) { 2100 sc->tulip_boardid[9] = '4'; 2101 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2102 sc->tulip_features |= TULIP_HAVE_BASEROM; 2103 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2104 sc->tulip_boardid[9] = '5'; 2105 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2106 } else if (id == TULIP_ZNYX_ID_ZX315) { 2107 sc->tulip_boardid[9] = '5'; 2108 sc->tulip_features |= TULIP_HAVE_BASEROM; 2109 } else { 2110 id = 0; 2111 } 2112 } 2113 if (id == 0) { 2114 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2115 sc->tulip_boardid[9] = '4'; 2116 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2117 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2118 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2119 sc->tulip_boardid[9] = '5'; 2120 sc->tulip_boardsw = &tulip_21040_boardsw; 2121 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2122 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2123 sc->tulip_boardid[9] = '2'; 2124 sc->tulip_boardsw = &tulip_21040_boardsw; 2125 } 2126 } 2127 } 2128 2129 static void 2130 tulip_identify_smc_nic( 2131 tulip_softc_t * const sc) 2132 { 2133 u_int32_t id1, id2, ei; 2134 int auibnc = 0, utp = 0; 2135 char *cp; 2136 2137 strcpy(sc->tulip_boardid, "SMC "); 2138 if (sc->tulip_chipid == TULIP_21041) 2139 return; 2140 if (sc->tulip_chipid != TULIP_21040) { 2141 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2142 strcpy(&sc->tulip_boardid[4], "9332DST "); 2143 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2144 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2145 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2146 } else { 2147 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2148 } 2149 return; 2150 } 2151 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2152 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2153 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2154 2155 strcpy(&sc->tulip_boardid[4], "8432"); 2156 cp = &sc->tulip_boardid[8]; 2157 if ((id1 & 1) == 0) 2158 *cp++ = 'B', auibnc = 1; 2159 if ((id1 & 0xFF) > 0x32) 2160 *cp++ = 'T', utp = 1; 2161 if ((id1 & 0x4000) == 0) 2162 *cp++ = 'A', auibnc = 1; 2163 if (id2 == 0x15) { 2164 sc->tulip_boardid[7] = '4'; 2165 *cp++ = '-'; 2166 *cp++ = 'C'; 2167 *cp++ = 'H'; 2168 *cp++ = (ei ? '2' : '1'); 2169 } 2170 *cp++ = ' '; 2171 *cp = '\0'; 2172 if (utp && !auibnc) 2173 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2174 else if (!utp && auibnc) 2175 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2176 } 2177 2178 static void 2179 tulip_identify_cogent_nic( 2180 tulip_softc_t * const sc) 2181 { 2182 strcpy(sc->tulip_boardid, "Cogent "); 2183 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2184 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2185 strcat(sc->tulip_boardid, "EM100TX "); 2186 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2187 #if defined(TULIP_COGENT_EM110TX_ID) 2188 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2189 strcat(sc->tulip_boardid, "EM110TX "); 2190 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2191 #endif 2192 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2193 strcat(sc->tulip_boardid, "EM100FX "); 2194 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2195 } 2196 /* 2197 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2198 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2199 */ 2200 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2201 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2202 /* 2203 * Cogent (Adaptec) is still mapping all INTs to INTA of 2204 * first 21140. Dumb! Dumb! 2205 */ 2206 strcat(sc->tulip_boardid, "EM440TX "); 2207 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2208 } 2209 } else if (sc->tulip_chipid == TULIP_21040) { 2210 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2211 } 2212 } 2213 2214 static void 2215 tulip_identify_accton_nic( 2216 tulip_softc_t * const sc) 2217 { 2218 strcpy(sc->tulip_boardid, "ACCTON "); 2219 switch (sc->tulip_chipid) { 2220 case TULIP_21140A: 2221 strcat(sc->tulip_boardid, "EN1207 "); 2222 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2223 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2224 break; 2225 case TULIP_21140: 2226 strcat(sc->tulip_boardid, "EN1207TX "); 2227 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2228 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2229 break; 2230 case TULIP_21040: 2231 strcat(sc->tulip_boardid, "EN1203 "); 2232 sc->tulip_boardsw = &tulip_21040_boardsw; 2233 break; 2234 case TULIP_21041: 2235 strcat(sc->tulip_boardid, "EN1203 "); 2236 sc->tulip_boardsw = &tulip_21041_boardsw; 2237 break; 2238 default: 2239 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2240 break; 2241 } 2242 } 2243 2244 static void 2245 tulip_identify_asante_nic( 2246 tulip_softc_t * const sc) 2247 { 2248 strcpy(sc->tulip_boardid, "Asante "); 2249 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2250 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2251 tulip_media_info_t *mi = sc->tulip_mediainfo; 2252 int idx; 2253 /* 2254 * The Asante Fast Ethernet doesn't always ship with a valid 2255 * new format SROM. So if isn't in the new format, we cheat 2256 * set it up as if we had. 2257 */ 2258 2259 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2260 sc->tulip_gpdata = 0; 2261 2262 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2263 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2264 DELAY(100); 2265 TULIP_CSR_WRITE(sc, csr_gp, 0); 2266 2267 mi->mi_type = TULIP_MEDIAINFO_MII; 2268 mi->mi_gpr_length = 0; 2269 mi->mi_gpr_offset = 0; 2270 mi->mi_reset_length = 0; 2271 mi->mi_reset_offset = 0;; 2272 2273 mi->mi_phyaddr = TULIP_MII_NOPHY; 2274 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2275 DELAY(10000); 2276 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2277 } 2278 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2279 printf("%s: can't find phy 0\n", sc->tulip_xname); 2280 return; 2281 } 2282 2283 sc->tulip_features |= TULIP_HAVE_MII; 2284 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2285 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2286 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2287 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2288 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2289 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2290 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2291 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2292 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2293 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2294 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2295 2296 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2297 } 2298 } 2299 2300 static void 2301 tulip_identify_compex_nic( 2302 tulip_softc_t * const sc) 2303 { 2304 strcpy(sc->tulip_boardid, "COMPEX "); 2305 if (sc->tulip_chipid == TULIP_21140A) { 2306 int root_unit; 2307 tulip_softc_t *root_sc = NULL; 2308 2309 strcat(sc->tulip_boardid, "400TX/PCI "); 2310 /* 2311 * All 4 chips on these boards share an interrupt. This code 2312 * copied from tulip_read_macaddr. 2313 */ 2314 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2315 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2316 root_sc = tulips[root_unit]; 2317 if (root_sc == NULL 2318 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2319 break; 2320 root_sc = NULL; 2321 } 2322 if (root_sc != NULL 2323 && root_sc->tulip_chipid == sc->tulip_chipid 2324 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2325 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2326 sc->tulip_slaves = root_sc->tulip_slaves; 2327 root_sc->tulip_slaves = sc; 2328 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2329 printf("\nCannot find master device for %s interrupts", 2330 sc->tulip_xname); 2331 } 2332 } else { 2333 strcat(sc->tulip_boardid, "unknown "); 2334 } 2335 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2336 return; 2337 } 2338 2339 static int 2340 tulip_srom_decode( 2341 tulip_softc_t * const sc) 2342 { 2343 unsigned idx1, idx2, idx3; 2344 2345 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2346 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2347 tulip_srom_media_t srom_media; 2348 tulip_media_info_t *mi = sc->tulip_mediainfo; 2349 const u_int8_t *dp; 2350 u_int32_t leaf_offset, blocks, data; 2351 2352 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2353 if (shp->sh_adapter_count == 1) 2354 break; 2355 if (saip->sai_device == sc->tulip_pci_devno) 2356 break; 2357 } 2358 /* 2359 * Didn't find the right media block for this card. 2360 */ 2361 if (idx1 == shp->sh_adapter_count) 2362 return 0; 2363 2364 /* 2365 * Save the hardware address. 2366 */ 2367 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2368 /* 2369 * If this is a multiple port card, add the adapter index to the last 2370 * byte of the hardware address. (if it isn't multiport, adding 0 2371 * won't hurt. 2372 */ 2373 sc->tulip_enaddr[5] += idx1; 2374 2375 leaf_offset = saip->sai_leaf_offset_lowbyte 2376 + saip->sai_leaf_offset_highbyte * 256; 2377 dp = sc->tulip_rombuf + leaf_offset; 2378 2379 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2380 2381 for (idx2 = 0;; idx2++) { 2382 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2383 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2384 break; 2385 } 2386 sc->tulip_connidx = idx2; 2387 2388 if (sc->tulip_chipid == TULIP_21041) { 2389 blocks = *dp++; 2390 for (idx2 = 0; idx2 < blocks; idx2++) { 2391 tulip_media_t media; 2392 data = *dp++; 2393 srom_media = (tulip_srom_media_t) (data & 0x3F); 2394 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2395 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2396 break; 2397 } 2398 media = tulip_srom_mediums[idx3].sm_type; 2399 if (media != TULIP_MEDIA_UNKNOWN) { 2400 if (data & TULIP_SROM_21041_EXTENDED) { 2401 mi->mi_type = TULIP_MEDIAINFO_SIA; 2402 sc->tulip_mediums[media] = mi; 2403 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2404 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2405 mi->mi_sia_general = dp[4] + dp[5] * 256; 2406 mi++; 2407 } else { 2408 switch (media) { 2409 case TULIP_MEDIA_BNC: { 2410 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2411 mi++; 2412 break; 2413 } 2414 case TULIP_MEDIA_AUI: { 2415 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2416 mi++; 2417 break; 2418 } 2419 case TULIP_MEDIA_10BASET: { 2420 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2421 mi++; 2422 break; 2423 } 2424 case TULIP_MEDIA_10BASET_FD: { 2425 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2426 mi++; 2427 break; 2428 } 2429 default: { 2430 break; 2431 } 2432 } 2433 } 2434 } 2435 if (data & TULIP_SROM_21041_EXTENDED) 2436 dp += 6; 2437 } 2438 #ifdef notdef 2439 if (blocks == 0) { 2440 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2441 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2442 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2443 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2444 } 2445 #endif 2446 } else { 2447 unsigned length, type; 2448 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2449 if (sc->tulip_features & TULIP_HAVE_GPR) 2450 sc->tulip_gpinit = *dp++; 2451 blocks = *dp++; 2452 for (idx2 = 0; idx2 < blocks; idx2++) { 2453 const u_int8_t *ep; 2454 if ((*dp & 0x80) == 0) { 2455 length = 4; 2456 type = 0; 2457 } else { 2458 length = (*dp++ & 0x7f) - 1; 2459 type = *dp++ & 0x3f; 2460 } 2461 ep = dp + length; 2462 switch (type & 0x3f) { 2463 case 0: { /* 21140[A] GPR block */ 2464 tulip_media_t media; 2465 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2466 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2467 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2468 break; 2469 } 2470 media = tulip_srom_mediums[idx3].sm_type; 2471 if (media == TULIP_MEDIA_UNKNOWN) 2472 break; 2473 mi->mi_type = TULIP_MEDIAINFO_GPR; 2474 sc->tulip_mediums[media] = mi; 2475 mi->mi_gpdata = dp[1]; 2476 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2477 sc->tulip_gpdata = mi->mi_gpdata; 2478 gp_media = media; 2479 } 2480 data = dp[2] + dp[3] * 256; 2481 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2482 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2483 mi->mi_actmask = 0; 2484 } else { 2485 #if 0 2486 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2487 #endif 2488 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2489 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2490 } 2491 mi++; 2492 break; 2493 } 2494 case 1: { /* 21140[A] MII block */ 2495 const unsigned phyno = *dp++; 2496 mi->mi_type = TULIP_MEDIAINFO_MII; 2497 mi->mi_gpr_length = *dp++; 2498 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2499 dp += mi->mi_gpr_length; 2500 mi->mi_reset_length = *dp++; 2501 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2502 dp += mi->mi_reset_length; 2503 2504 /* 2505 * Before we probe for a PHY, use the GPR information 2506 * to select it. If we don't, it may be inaccessible. 2507 */ 2508 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2509 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2510 DELAY(10); 2511 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2512 } 2513 sc->tulip_phyaddr = mi->mi_phyaddr; 2514 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2515 DELAY(10); 2516 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2517 } 2518 2519 /* 2520 * At least write something! 2521 */ 2522 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2523 TULIP_CSR_WRITE(sc, csr_gp, 0); 2524 2525 mi->mi_phyaddr = TULIP_MII_NOPHY; 2526 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2527 DELAY(10000); 2528 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2529 } 2530 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2531 #if defined(TULIP_DEBUG) 2532 printf("%s: can't find phy %d\n", 2533 sc->tulip_xname, phyno); 2534 #endif 2535 break; 2536 } 2537 sc->tulip_features |= TULIP_HAVE_MII; 2538 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2539 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2540 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2541 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2542 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2543 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2544 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2545 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2546 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2547 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2548 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2549 mi++; 2550 break; 2551 } 2552 case 2: { /* 2114[23] SIA block */ 2553 tulip_media_t media; 2554 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2555 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2556 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2557 break; 2558 } 2559 media = tulip_srom_mediums[idx3].sm_type; 2560 if (media == TULIP_MEDIA_UNKNOWN) 2561 break; 2562 mi->mi_type = TULIP_MEDIAINFO_SIA; 2563 sc->tulip_mediums[media] = mi; 2564 if (dp[0] & 0x40) { 2565 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2566 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2567 mi->mi_sia_general = dp[5] + dp[6] * 256; 2568 dp += 6; 2569 } else { 2570 switch (media) { 2571 case TULIP_MEDIA_BNC: { 2572 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2573 break; 2574 } 2575 case TULIP_MEDIA_AUI: { 2576 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2577 break; 2578 } 2579 case TULIP_MEDIA_10BASET: { 2580 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2581 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2582 break; 2583 } 2584 case TULIP_MEDIA_10BASET_FD: { 2585 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2586 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2587 break; 2588 } 2589 default: { 2590 goto bad_media; 2591 } 2592 } 2593 } 2594 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2595 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2596 mi++; 2597 bad_media: 2598 break; 2599 } 2600 case 3: { /* 2114[23] MII PHY block */ 2601 const unsigned phyno = *dp++; 2602 const u_int8_t *dp0; 2603 mi->mi_type = TULIP_MEDIAINFO_MII; 2604 mi->mi_gpr_length = *dp++; 2605 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2606 dp += 2 * mi->mi_gpr_length; 2607 mi->mi_reset_length = *dp++; 2608 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2609 dp += 2 * mi->mi_reset_length; 2610 2611 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2612 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2613 DELAY(10); 2614 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2615 } 2616 sc->tulip_phyaddr = mi->mi_phyaddr; 2617 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2618 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2619 DELAY(10); 2620 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2621 } 2622 2623 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2624 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2625 2626 mi->mi_phyaddr = TULIP_MII_NOPHY; 2627 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2628 DELAY(10000); 2629 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2630 } 2631 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2632 #if defined(TULIP_DEBUG) 2633 printf("%s: can't find phy %d\n", 2634 sc->tulip_xname, phyno); 2635 #endif 2636 break; 2637 } 2638 sc->tulip_features |= TULIP_HAVE_MII; 2639 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2640 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2641 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2642 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2643 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2644 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2645 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2646 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2647 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2648 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2649 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2650 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2651 mi++; 2652 break; 2653 } 2654 case 4: { /* 21143 SYM block */ 2655 tulip_media_t media; 2656 srom_media = (tulip_srom_media_t) dp[0]; 2657 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2658 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2659 break; 2660 } 2661 media = tulip_srom_mediums[idx3].sm_type; 2662 if (media == TULIP_MEDIA_UNKNOWN) 2663 break; 2664 mi->mi_type = TULIP_MEDIAINFO_SYM; 2665 sc->tulip_mediums[media] = mi; 2666 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2667 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2668 data = dp[5] + dp[6] * 256; 2669 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2670 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2671 mi->mi_actmask = 0; 2672 } else { 2673 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2674 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2675 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2676 } 2677 if (TULIP_IS_MEDIA_TP(media)) 2678 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2679 mi++; 2680 break; 2681 } 2682 #if 0 2683 case 5: { /* 21143 Reset block */ 2684 mi->mi_type = TULIP_MEDIAINFO_RESET; 2685 mi->mi_reset_length = *dp++; 2686 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2687 dp += 2 * mi->mi_reset_length; 2688 mi++; 2689 break; 2690 } 2691 #endif 2692 default: { 2693 } 2694 } 2695 dp = ep; 2696 } 2697 } 2698 return mi - sc->tulip_mediainfo; 2699 } 2700 2701 static const struct { 2702 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2703 unsigned char vendor_oui[3]; 2704 } tulip_vendors[] = { 2705 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2706 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2707 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2708 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2709 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2710 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2711 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2712 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2713 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2714 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2715 { NULL } 2716 }; 2717 2718 /* 2719 * This deals with the vagaries of the address roms and the 2720 * brain-deadness that various vendors commit in using them. 2721 */ 2722 static int 2723 tulip_read_macaddr( 2724 tulip_softc_t * const sc) 2725 { 2726 unsigned cksum, rom_cksum, idx; 2727 u_int32_t csr; 2728 unsigned char tmpbuf[8]; 2729 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2730 2731 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2732 2733 if (sc->tulip_chipid == TULIP_21040) { 2734 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2735 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2736 int cnt = 0; 2737 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2738 cnt++; 2739 sc->tulip_rombuf[idx] = csr & 0xFF; 2740 } 2741 sc->tulip_boardsw = &tulip_21040_boardsw; 2742 } else { 2743 if (sc->tulip_chipid == TULIP_21041) { 2744 /* 2745 * Thankfully all 21041's act the same. 2746 */ 2747 sc->tulip_boardsw = &tulip_21041_boardsw; 2748 } else { 2749 /* 2750 * Assume all 21140 board are compatible with the 2751 * DEC 10/100 evaluation board. Not really valid but 2752 * it's the best we can do until every one switches to 2753 * the new SROM format. 2754 */ 2755 2756 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2757 } 2758 tulip_srom_read(sc); 2759 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2760 /* 2761 * SROM CRC is valid therefore it must be in the 2762 * new format. 2763 */ 2764 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2765 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2766 /* 2767 * No checksum is present. See if the SROM id checks out; 2768 * the first 18 bytes should be 0 followed by a 1 followed 2769 * by the number of adapters (which we don't deal with yet). 2770 */ 2771 for (idx = 0; idx < 18; idx++) { 2772 if (sc->tulip_rombuf[idx] != 0) 2773 break; 2774 } 2775 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2776 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2777 } else if (sc->tulip_chipid >= TULIP_21142) { 2778 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2779 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2780 } 2781 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2782 if (sc->tulip_chipid != TULIP_21041) 2783 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2784 2785 /* 2786 * If the SROM specifies more than one adapter, tag this as a 2787 * BASE rom. 2788 */ 2789 if (sc->tulip_rombuf[19] > 1) 2790 sc->tulip_features |= TULIP_HAVE_BASEROM; 2791 if (sc->tulip_boardsw == NULL) 2792 return -6; 2793 goto check_oui; 2794 } 2795 } 2796 2797 2798 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2799 /* 2800 * Some folks don't use the standard ethernet rom format 2801 * but instead just put the address in the first 6 bytes 2802 * of the rom and let the rest be all 0xffs. (Can we say 2803 * ZNYX?) (well sometimes they put in a checksum so we'll 2804 * start at 8). 2805 */ 2806 for (idx = 8; idx < 32; idx++) { 2807 if (sc->tulip_rombuf[idx] != 0xFF) 2808 return -4; 2809 } 2810 /* 2811 * Make sure the address is not multicast or locally assigned 2812 * that the OUI is not 00-00-00. 2813 */ 2814 if ((sc->tulip_rombuf[0] & 3) != 0) 2815 return -4; 2816 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2817 && sc->tulip_rombuf[2] == 0) 2818 return -4; 2819 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2820 sc->tulip_features |= TULIP_HAVE_OKROM; 2821 goto check_oui; 2822 } else { 2823 /* 2824 * A number of makers of multiport boards (ZNYX and Cogent) 2825 * only put on one address ROM on their 21040 boards. So 2826 * if the ROM is all zeros (or all 0xFFs), look at the 2827 * previous configured boards (as long as they are on the same 2828 * PCI bus and the bus number is non-zero) until we find the 2829 * master board with address ROM. We then use its address ROM 2830 * as the base for this board. (we add our relative board 2831 * to the last byte of its address). 2832 */ 2833 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2834 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2835 break; 2836 } 2837 if (idx == sizeof(sc->tulip_rombuf)) { 2838 int root_unit; 2839 tulip_softc_t *root_sc = NULL; 2840 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2841 root_sc = tulips[root_unit]; 2842 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2843 break; 2844 root_sc = NULL; 2845 } 2846 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2847 && root_sc->tulip_chipid == sc->tulip_chipid 2848 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2849 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2850 sc->tulip_boardsw = root_sc->tulip_boardsw; 2851 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2852 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2853 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2854 sizeof(sc->tulip_rombuf)); 2855 if (!tulip_srom_decode(sc)) 2856 return -5; 2857 } else { 2858 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2859 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2860 } 2861 /* 2862 * Now for a truly disgusting kludge: all 4 21040s on 2863 * the ZX314 share the same INTA line so the mapping 2864 * setup by the BIOS on the PCI bridge is worthless. 2865 * Rather than reprogramming the value in the config 2866 * register, we will handle this internally. 2867 */ 2868 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2869 sc->tulip_slaves = root_sc->tulip_slaves; 2870 root_sc->tulip_slaves = sc; 2871 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2872 } 2873 return 0; 2874 } 2875 } 2876 } 2877 2878 /* 2879 * This is the standard DEC address ROM test. 2880 */ 2881 2882 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2883 return -3; 2884 2885 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2886 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2887 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2888 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2889 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2890 return -2; 2891 2892 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2893 2894 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2895 cksum *= 2; 2896 if (cksum > 65535) cksum -= 65535; 2897 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2898 if (cksum > 65535) cksum -= 65535; 2899 cksum *= 2; 2900 if (cksum > 65535) cksum -= 65535; 2901 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2902 if (cksum >= 65535) cksum -= 65535; 2903 2904 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2905 2906 if (cksum != rom_cksum) 2907 return -1; 2908 2909 check_oui: 2910 /* 2911 * Check for various boards based on OUI. Did I say braindead? 2912 */ 2913 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2914 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2915 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2916 break; 2917 } 2918 } 2919 2920 sc->tulip_features |= TULIP_HAVE_OKROM; 2921 return 0; 2922 } 2923 2924 static void 2925 tulip_ifmedia_add( 2926 tulip_softc_t * const sc) 2927 { 2928 tulip_media_t media; 2929 int medias = 0; 2930 2931 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2932 if (sc->tulip_mediums[media] != NULL) { 2933 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2934 0, 0); 2935 medias++; 2936 } 2937 } 2938 if (medias == 0) { 2939 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2940 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2941 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2942 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2943 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2944 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2945 } else { 2946 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2947 sc->tulip_flags |= TULIP_PRINTMEDIA; 2948 tulip_linkup(sc, sc->tulip_media); 2949 } 2950 } 2951 2952 static int 2953 tulip_ifmedia_change( 2954 struct ifnet * const ifp) 2955 { 2956 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2957 2958 sc->tulip_flags |= TULIP_NEEDRESET; 2959 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2960 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2961 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2962 tulip_media_t media; 2963 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2964 if (sc->tulip_mediums[media] != NULL 2965 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2966 sc->tulip_flags |= TULIP_PRINTMEDIA; 2967 sc->tulip_flags &= ~TULIP_DIDNWAY; 2968 tulip_linkup(sc, media); 2969 return 0; 2970 } 2971 } 2972 } 2973 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2974 tulip_reset(sc); 2975 tulip_init(sc); 2976 return 0; 2977 } 2978 2979 /* 2980 * Media status callback 2981 */ 2982 static void 2983 tulip_ifmedia_status( 2984 struct ifnet * const ifp, 2985 struct ifmediareq *req) 2986 { 2987 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2988 2989 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2990 return; 2991 2992 req->ifm_status = IFM_AVALID; 2993 if (sc->tulip_flags & TULIP_LINKUP) 2994 req->ifm_status |= IFM_ACTIVE; 2995 2996 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2997 } 2998 2999 static void 3000 tulip_addr_filter( 3001 tulip_softc_t * const sc) 3002 { 3003 struct ifmultiaddr *ifma; 3004 u_char *addrp; 3005 int multicnt; 3006 3007 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3008 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3009 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3010 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3011 #if defined(IFF_ALLMULTI) 3012 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3013 sc->tulip_flags |= TULIP_ALLMULTI ; 3014 #endif 3015 3016 multicnt = 0; 3017 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3018 3019 if (ifma->ifma_addr->sa_family == AF_LINK) 3020 multicnt++; 3021 } 3022 3023 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3024 if (multicnt > 14) { 3025 u_int32_t *sp = sc->tulip_setupdata; 3026 unsigned hash; 3027 /* 3028 * Some early passes of the 21140 have broken implementations of 3029 * hash-perfect mode. When we get too many multicasts for perfect 3030 * filtering with these chips, we need to switch into hash-only 3031 * mode (this is better than all-multicast on network with lots 3032 * of multicast traffic). 3033 */ 3034 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3035 sc->tulip_flags |= TULIP_WANTHASHONLY; 3036 else 3037 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3038 /* 3039 * If we have more than 14 multicasts, we have 3040 * go into hash perfect mode (512 bit multicast 3041 * hash and one perfect hardware). 3042 */ 3043 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3044 3045 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3046 3047 if (ifma->ifma_addr->sa_family != AF_LINK) 3048 continue; 3049 3050 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3051 #if BYTE_ORDER == BIG_ENDIAN 3052 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3053 #else 3054 sp[hash >> 4] |= 1 << (hash & 0xF); 3055 #endif 3056 } 3057 /* 3058 * No reason to use a hash if we are going to be 3059 * receiving every multicast. 3060 */ 3061 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3062 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 3063 #if BYTE_ORDER == BIG_ENDIAN 3064 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3065 #else 3066 sp[hash >> 4] |= 1 << (hash & 0xF); 3067 #endif 3068 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3069 hash = tulip_mchash(sc->tulip_enaddr); 3070 #if BYTE_ORDER == BIG_ENDIAN 3071 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3072 #else 3073 sp[hash >> 4] |= 1 << (hash & 0xF); 3074 #endif 3075 } else { 3076 #if BYTE_ORDER == BIG_ENDIAN 3077 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3078 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3079 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3080 #else 3081 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3082 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3083 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3084 #endif 3085 } 3086 } 3087 } 3088 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3089 u_int32_t *sp = sc->tulip_setupdata; 3090 int idx = 0; 3091 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3092 /* 3093 * Else can get perfect filtering for 16 addresses. 3094 */ 3095 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3096 if (ifma->ifma_addr->sa_family != AF_LINK) 3097 continue; 3098 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3099 #if BYTE_ORDER == BIG_ENDIAN 3100 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3101 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3102 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3103 #else 3104 *sp++ = ((u_int16_t *) addrp)[0]; 3105 *sp++ = ((u_int16_t *) addrp)[1]; 3106 *sp++ = ((u_int16_t *) addrp)[2]; 3107 #endif 3108 idx++; 3109 } 3110 /* 3111 * Add the broadcast address. 3112 */ 3113 idx++; 3114 #if BYTE_ORDER == BIG_ENDIAN 3115 *sp++ = 0xFFFF << 16; 3116 *sp++ = 0xFFFF << 16; 3117 *sp++ = 0xFFFF << 16; 3118 #else 3119 *sp++ = 0xFFFF; 3120 *sp++ = 0xFFFF; 3121 *sp++ = 0xFFFF; 3122 #endif 3123 } 3124 /* 3125 * Pad the rest with our hardware address 3126 */ 3127 for (; idx < 16; idx++) { 3128 #if BYTE_ORDER == BIG_ENDIAN 3129 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3130 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3131 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3132 #else 3133 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3134 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3135 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3136 #endif 3137 } 3138 } 3139 #if defined(IFF_ALLMULTI) 3140 if (sc->tulip_flags & TULIP_ALLMULTI) 3141 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3142 #endif 3143 } 3144 3145 static void 3146 tulip_reset( 3147 tulip_softc_t * const sc) 3148 { 3149 tulip_ringinfo_t *ri; 3150 tulip_desc_t *di; 3151 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3152 3153 /* 3154 * Brilliant. Simply brilliant. When switching modes/speeds 3155 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3156 * bits in CSR6 and then do a software reset to get the 21140 3157 * to properly reset its internal pathways to the right places. 3158 * Grrrr. 3159 */ 3160 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3161 && sc->tulip_boardsw->bd_media_preset != NULL) 3162 (*sc->tulip_boardsw->bd_media_preset)(sc); 3163 3164 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3165 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3166 33MHz that comes to two microseconds but wait a 3167 bit longer anyways) */ 3168 3169 if (!inreset) { 3170 sc->tulip_flags |= TULIP_INRESET; 3171 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3172 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3173 sc->tulip_if.if_start = tulip_ifstart; 3174 } 3175 3176 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3177 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3178 #else 3179 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3180 #endif 3181 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3182 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3183 #else 3184 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3185 #endif 3186 TULIP_CSR_WRITE(sc, csr_busmode, 3187 (1 << (3 /*pci_max_burst_len*/ + 8)) 3188 |TULIP_BUSMODE_CACHE_ALIGN8 3189 |TULIP_BUSMODE_READMULTIPLE 3190 |(BYTE_ORDER != LITTLE_ENDIAN ? 3191 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3192 3193 sc->tulip_txtimer = 0; 3194 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3195 /* 3196 * Free all the mbufs that were on the transmit ring. 3197 */ 3198 for (;;) { 3199 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3200 bus_dmamap_t map; 3201 #endif 3202 struct mbuf *m; 3203 _IF_DEQUEUE(&sc->tulip_txq, m); 3204 if (m == NULL) 3205 break; 3206 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3207 map = M_GETCTX(m, bus_dmamap_t); 3208 bus_dmamap_unload(sc->tulip_dmatag, map); 3209 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3210 #endif 3211 m_freem(m); 3212 } 3213 3214 ri = &sc->tulip_txinfo; 3215 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3216 ri->ri_free = ri->ri_max; 3217 for (di = ri->ri_first; di < ri->ri_last; di++) 3218 di->d_status = 0; 3219 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3220 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3221 0, sc->tulip_txdescmap->dm_mapsize, 3222 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3223 #endif 3224 3225 /* 3226 * We need to collect all the mbufs were on the 3227 * receive ring before we reinit it either to put 3228 * them back on or to know if we have to allocate 3229 * more. 3230 */ 3231 ri = &sc->tulip_rxinfo; 3232 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3233 ri->ri_free = ri->ri_max; 3234 for (di = ri->ri_first; di < ri->ri_last; di++) { 3235 di->d_status = 0; 3236 di->d_length1 = 0; di->d_addr1 = 0; 3237 di->d_length2 = 0; di->d_addr2 = 0; 3238 } 3239 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3240 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3241 0, sc->tulip_rxdescmap->dm_mapsize, 3242 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3243 #endif 3244 for (;;) { 3245 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3246 bus_dmamap_t map; 3247 #endif 3248 struct mbuf *m; 3249 _IF_DEQUEUE(&sc->tulip_rxq, m); 3250 if (m == NULL) 3251 break; 3252 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3253 map = M_GETCTX(m, bus_dmamap_t); 3254 bus_dmamap_unload(sc->tulip_dmatag, map); 3255 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3256 #endif 3257 m_freem(m); 3258 } 3259 3260 /* 3261 * If tulip_reset is being called recurisvely, exit quickly knowing 3262 * that when the outer tulip_reset returns all the right stuff will 3263 * have happened. 3264 */ 3265 if (inreset) 3266 return; 3267 3268 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3269 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3270 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3271 |TULIP_STS_RXSTOPPED; 3272 3273 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3274 (*sc->tulip_boardsw->bd_media_select)(sc); 3275 #if defined(TULIP_DEBUG) 3276 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3277 printf("%s: tulip_reset: additional reset needed?!?\n", 3278 sc->tulip_xname); 3279 #endif 3280 tulip_media_print(sc); 3281 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3282 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3283 3284 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3285 |TULIP_RXACT); 3286 tulip_addr_filter(sc); 3287 } 3288 3289 3290 static void 3291 tulip_ifinit( 3292 void * sc) 3293 { 3294 tulip_init((tulip_softc_t *)sc); 3295 } 3296 3297 static void 3298 tulip_init( 3299 tulip_softc_t * const sc) 3300 { 3301 if (sc->tulip_if.if_flags & IFF_UP) { 3302 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3303 /* initialize the media */ 3304 tulip_reset(sc); 3305 } 3306 sc->tulip_if.if_flags |= IFF_RUNNING; 3307 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3308 sc->tulip_flags |= TULIP_PROMISC; 3309 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3310 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3311 } else { 3312 sc->tulip_flags &= ~TULIP_PROMISC; 3313 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3314 if (sc->tulip_flags & TULIP_ALLMULTI) { 3315 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3316 } else { 3317 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3318 } 3319 } 3320 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3321 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3322 tulip_rx_intr(sc); 3323 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3324 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3325 } else { 3326 sc->tulip_if.if_flags |= IFF_OACTIVE; 3327 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3328 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3329 } 3330 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3331 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3332 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3333 tulip_txput_setup(sc); 3334 } else { 3335 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3336 tulip_reset(sc); 3337 } 3338 } 3339 3340 static void 3341 tulip_rx_intr( 3342 tulip_softc_t * const sc) 3343 { 3344 TULIP_PERFSTART(rxintr) 3345 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3346 struct ifnet * const ifp = &sc->tulip_if; 3347 int fillok = 1; 3348 #if defined(TULIP_DEBUG) 3349 int cnt = 0; 3350 #endif 3351 3352 for (;;) { 3353 TULIP_PERFSTART(rxget) 3354 tulip_desc_t *eop = ri->ri_nextin; 3355 int total_len = 0, last_offset = 0; 3356 struct mbuf *ms = NULL, *me = NULL; 3357 int accept = 0; 3358 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3359 bus_dmamap_t map; 3360 int error; 3361 #endif 3362 3363 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3364 goto queue_mbuf; 3365 3366 #if defined(TULIP_DEBUG) 3367 if (cnt == ri->ri_max) 3368 break; 3369 #endif 3370 /* 3371 * If the TULIP has no descriptors, there can't be any receive 3372 * descriptors to process. 3373 */ 3374 if (eop == ri->ri_nextout) 3375 break; 3376 3377 /* 3378 * 90% of the packets will fit in one descriptor. So we optimize 3379 * for that case. 3380 */ 3381 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3382 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3383 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3384 me = ms; 3385 } else { 3386 /* 3387 * If still owned by the TULIP, don't touch it. 3388 */ 3389 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3390 break; 3391 3392 /* 3393 * It is possible (though improbable unless the BIG_PACKET support 3394 * is enabled or MCLBYTES < 1518) for a received packet to cross 3395 * more than one receive descriptor. 3396 */ 3397 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3398 if (++eop == ri->ri_last) 3399 eop = ri->ri_first; 3400 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3401 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3402 #if defined(TULIP_DEBUG) 3403 sc->tulip_dbg.dbg_rxintrs++; 3404 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3405 #endif 3406 TULIP_PERFEND(rxget); 3407 TULIP_PERFEND(rxintr); 3408 return; 3409 } 3410 total_len++; 3411 } 3412 3413 /* 3414 * Dequeue the first buffer for the start of the packet. Hopefully 3415 * this will be the only one we need to dequeue. However, if the 3416 * packet consumed multiple descriptors, then we need to dequeue 3417 * those buffers and chain to the starting mbuf. All buffers but 3418 * the last buffer have the same length so we can set that now. 3419 * (we add to last_offset instead of multiplying since we normally 3420 * won't go into the loop and thereby saving ourselves from 3421 * doing a multiplication by 0 in the normal case). 3422 */ 3423 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3424 for (me = ms; total_len > 0; total_len--) { 3425 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3426 map = M_GETCTX(me, bus_dmamap_t); 3427 TULIP_RXMAP_POSTSYNC(sc, map); 3428 bus_dmamap_unload(sc->tulip_dmatag, map); 3429 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3430 #if defined(DIAGNOSTIC) 3431 M_SETCTX(me, NULL); 3432 #endif 3433 #endif /* TULIP_BUS_DMA */ 3434 me->m_len = TULIP_RX_BUFLEN; 3435 last_offset += TULIP_RX_BUFLEN; 3436 _IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3437 me = me->m_next; 3438 } 3439 } 3440 3441 /* 3442 * Now get the size of received packet (minus the CRC). 3443 */ 3444 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3445 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3446 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3447 #ifdef BIG_PACKET 3448 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3449 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3450 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3451 TULIP_DSTS_RxOVERFLOW)) == 0) 3452 #endif 3453 )) { 3454 me->m_len = total_len - last_offset; 3455 3456 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3457 map = M_GETCTX(me, bus_dmamap_t); 3458 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3459 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3460 bus_dmamap_unload(sc->tulip_dmatag, map); 3461 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3462 #if defined(DIAGNOSTIC) 3463 M_SETCTX(me, NULL); 3464 #endif 3465 #endif /* TULIP_BUS_DMA */ 3466 3467 #ifndef __FreeBSD__ 3468 if (sc->tulip_if.if_bpf != NULL) { 3469 if (me == ms) 3470 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3471 else 3472 bpf_mtap(&sc->tulip_if, ms); 3473 } 3474 #endif 3475 sc->tulip_flags |= TULIP_RXACT; 3476 accept = 1; 3477 } else { 3478 ifp->if_ierrors++; 3479 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3480 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3481 } else { 3482 #if defined(TULIP_VERBOSE) 3483 const char *error = NULL; 3484 #endif 3485 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3486 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3487 #if defined(TULIP_VERBOSE) 3488 error = "frame too long"; 3489 #endif 3490 } 3491 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3492 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3493 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3494 #if defined(TULIP_VERBOSE) 3495 error = "alignment error"; 3496 #endif 3497 } else { 3498 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3499 #if defined(TULIP_VERBOSE) 3500 error = "bad crc"; 3501 #endif 3502 } 3503 } 3504 #if defined(TULIP_VERBOSE) 3505 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3506 printf("%s: receive: %6D: %s\n", 3507 sc->tulip_xname, 3508 mtod(ms, u_char *) + 6, ":", 3509 error); 3510 sc->tulip_flags |= TULIP_NOMESSAGES; 3511 } 3512 #endif 3513 } 3514 3515 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3516 map = M_GETCTX(me, bus_dmamap_t); 3517 bus_dmamap_unload(sc->tulip_dmatag, map); 3518 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3519 #if defined(DIAGNOSTIC) 3520 M_SETCTX(me, NULL); 3521 #endif 3522 #endif /* TULIP_BUS_DMA */ 3523 } 3524 #if defined(TULIP_DEBUG) 3525 cnt++; 3526 #endif 3527 ifp->if_ipackets++; 3528 if (++eop == ri->ri_last) 3529 eop = ri->ri_first; 3530 ri->ri_nextin = eop; 3531 queue_mbuf: 3532 /* 3533 * Either we are priming the TULIP with mbufs (m == NULL) 3534 * or we are about to accept an mbuf for the upper layers 3535 * so we need to allocate an mbuf to replace it. If we 3536 * can't replace it, send up it anyways. This may cause 3537 * us to drop packets in the future but that's better than 3538 * being caught in livelock. 3539 * 3540 * Note that if this packet crossed multiple descriptors 3541 * we don't even try to reallocate all the mbufs here. 3542 * Instead we rely on the test of the beginning of 3543 * the loop to refill for the extra consumed mbufs. 3544 */ 3545 if (accept || ms == NULL) { 3546 struct mbuf *m0; 3547 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3548 if (m0 != NULL) { 3549 #if defined(TULIP_COPY_RXDATA) 3550 if (!accept || total_len >= (MHLEN - 2)) { 3551 #endif 3552 MCLGET(m0, M_DONTWAIT); 3553 if ((m0->m_flags & M_EXT) == 0) { 3554 m_freem(m0); 3555 m0 = NULL; 3556 } 3557 #if defined(TULIP_COPY_RXDATA) 3558 } 3559 #endif 3560 } 3561 if (accept 3562 #if defined(TULIP_COPY_RXDATA) 3563 && m0 != NULL 3564 #endif 3565 ) { 3566 #if !defined(TULIP_COPY_RXDATA) 3567 ms->m_pkthdr.len = total_len; 3568 ms->m_pkthdr.rcvif = ifp; 3569 (*ifp->if_input)(ifp, ms); 3570 #else 3571 #ifdef BIG_PACKET 3572 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3573 #endif 3574 m0->m_data += 2; /* align data after header */ 3575 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3576 m0->m_len = m0->m_pkthdr.len = total_len; 3577 m0->m_pkthdr.rcvif = ifp; 3578 (*ifp->if_input)(ifp, m0); 3579 m0 = ms; 3580 #endif /* ! TULIP_COPY_RXDATA */ 3581 } 3582 ms = m0; 3583 } 3584 if (ms == NULL) { 3585 /* 3586 * Couldn't allocate a new buffer. Don't bother 3587 * trying to replenish the receive queue. 3588 */ 3589 fillok = 0; 3590 sc->tulip_flags |= TULIP_RXBUFSLOW; 3591 #if defined(TULIP_DEBUG) 3592 sc->tulip_dbg.dbg_rxlowbufs++; 3593 #endif 3594 TULIP_PERFEND(rxget); 3595 continue; 3596 } 3597 /* 3598 * Now give the buffer(s) to the TULIP and save in our 3599 * receive queue. 3600 */ 3601 do { 3602 tulip_desc_t * const nextout = ri->ri_nextout; 3603 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3604 if (sc->tulip_rxmaps_free > 0) { 3605 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3606 } else { 3607 m_freem(ms); 3608 sc->tulip_flags |= TULIP_RXBUFSLOW; 3609 #if defined(TULIP_DEBUG) 3610 sc->tulip_dbg.dbg_rxlowbufs++; 3611 #endif 3612 break; 3613 } 3614 M_SETCTX(ms, map); 3615 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3616 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3617 if (error) { 3618 printf("%s: unable to load rx map, " 3619 "error = %d\n", sc->tulip_xname, error); 3620 panic("tulip_rx_intr"); /* XXX */ 3621 } 3622 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3623 nextout->d_length1 = map->dm_segs[0].ds_len; 3624 if (map->dm_nsegs == 2) { 3625 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3626 nextout->d_length2 = map->dm_segs[1].ds_len; 3627 } else { 3628 nextout->d_addr2 = 0; 3629 nextout->d_length2 = 0; 3630 } 3631 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3632 #else /* TULIP_BUS_DMA */ 3633 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3634 nextout->d_length1 = TULIP_RX_BUFLEN; 3635 #endif /* TULIP_BUS_DMA */ 3636 nextout->d_status = TULIP_DSTS_OWNER; 3637 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3638 if (++ri->ri_nextout == ri->ri_last) 3639 ri->ri_nextout = ri->ri_first; 3640 me = ms->m_next; 3641 ms->m_next = NULL; 3642 _IF_ENQUEUE(&sc->tulip_rxq, ms); 3643 } while ((ms = me) != NULL); 3644 3645 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3646 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3647 TULIP_PERFEND(rxget); 3648 } 3649 3650 #if defined(TULIP_DEBUG) 3651 sc->tulip_dbg.dbg_rxintrs++; 3652 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3653 #endif 3654 TULIP_PERFEND(rxintr); 3655 } 3656 3657 static int 3658 tulip_tx_intr( 3659 tulip_softc_t * const sc) 3660 { 3661 TULIP_PERFSTART(txintr) 3662 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3663 struct mbuf *m; 3664 int xmits = 0; 3665 int descs = 0; 3666 3667 while (ri->ri_free < ri->ri_max) { 3668 u_int32_t d_flag; 3669 3670 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3671 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3672 break; 3673 3674 ri->ri_free++; 3675 descs++; 3676 d_flag = ri->ri_nextin->d_flag; 3677 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3678 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3679 /* 3680 * We've just finished processing a setup packet. 3681 * Mark that we finished it. If there's not 3682 * another pending, startup the TULIP receiver. 3683 * Make sure we ack the RXSTOPPED so we won't get 3684 * an abormal interrupt indication. 3685 */ 3686 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3687 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3688 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3689 sc->tulip_flags |= TULIP_HASHONLY; 3690 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3691 tulip_rx_intr(sc); 3692 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3693 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3694 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3695 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3696 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3697 } 3698 } else { 3699 const u_int32_t d_status = ri->ri_nextin->d_status; 3700 _IF_DEQUEUE(&sc->tulip_txq, m); 3701 if (m != NULL) { 3702 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3703 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3704 TULIP_TXMAP_POSTSYNC(sc, map); 3705 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3706 #endif /* TULIP_BUS_DMA */ 3707 m_freem(m); 3708 #if defined(TULIP_DEBUG) 3709 } else { 3710 printf("%s: tx_intr: failed to dequeue mbuf?!?\n", 3711 sc->tulip_xname); 3712 #endif 3713 } 3714 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3715 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3716 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3717 #if defined(TULIP_DEBUG) 3718 if (d_status & TULIP_DSTS_TxNOCARR) 3719 sc->tulip_dbg.dbg_txprobe_nocarr++; 3720 if (d_status & TULIP_DSTS_TxEXCCOLL) 3721 sc->tulip_dbg.dbg_txprobe_exccoll++; 3722 #endif 3723 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3724 } 3725 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3726 /* 3727 * Escape from the loop before media poll has reset the TULIP! 3728 */ 3729 break; 3730 } else { 3731 xmits++; 3732 if (d_status & TULIP_DSTS_ERRSUM) { 3733 sc->tulip_if.if_oerrors++; 3734 if (d_status & TULIP_DSTS_TxEXCCOLL) 3735 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3736 if (d_status & TULIP_DSTS_TxLATECOLL) 3737 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3738 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3739 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3740 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3741 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3742 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3743 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3744 if (d_status & TULIP_DSTS_TxBABBLE) 3745 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3746 } else { 3747 u_int32_t collisions = 3748 (d_status & TULIP_DSTS_TxCOLLMASK) 3749 >> TULIP_DSTS_V_TxCOLLCNT; 3750 sc->tulip_if.if_collisions += collisions; 3751 if (collisions == 1) 3752 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3753 else if (collisions > 1) 3754 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3755 else if (d_status & TULIP_DSTS_TxDEFERRED) 3756 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3757 /* 3758 * SQE is only valid for 10baseT/BNC/AUI when not 3759 * running in full-duplex. In order to speed up the 3760 * test, the corresponding bit in tulip_flags needs to 3761 * set as well to get us to count SQE Test Errors. 3762 */ 3763 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3764 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3765 } 3766 } 3767 } 3768 } 3769 3770 if (++ri->ri_nextin == ri->ri_last) 3771 ri->ri_nextin = ri->ri_first; 3772 3773 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3774 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3775 } 3776 /* 3777 * If nothing left to transmit, disable the timer. 3778 * Else if progress, reset the timer back to 2 ticks. 3779 */ 3780 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3781 sc->tulip_txtimer = 0; 3782 else if (xmits > 0) 3783 sc->tulip_txtimer = TULIP_TXTIMER; 3784 sc->tulip_if.if_opackets += xmits; 3785 TULIP_PERFEND(txintr); 3786 return descs; 3787 } 3788 3789 static void 3790 tulip_print_abnormal_interrupt( 3791 tulip_softc_t * const sc, 3792 u_int32_t csr) 3793 { 3794 const char * const *msgp = tulip_status_bits; 3795 const char *sep; 3796 u_int32_t mask; 3797 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3798 3799 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3800 printf("%s: abnormal interrupt:", sc->tulip_xname); 3801 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3802 if ((csr & mask) && *msgp != NULL) { 3803 printf("%s%s", sep, *msgp); 3804 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3805 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3806 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3807 printf(" (switching to store-and-forward mode)"); 3808 } else { 3809 printf(" (raising TX threshold to %s)", 3810 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3811 } 3812 } 3813 sep = ", "; 3814 } 3815 } 3816 printf("\n"); 3817 } 3818 3819 static void 3820 tulip_intr_handler( 3821 tulip_softc_t * const sc, 3822 int *progress_p) 3823 { 3824 TULIP_PERFSTART(intr) 3825 u_int32_t csr; 3826 3827 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3828 *progress_p = 1; 3829 TULIP_CSR_WRITE(sc, csr_status, csr); 3830 3831 if (csr & TULIP_STS_SYSERROR) { 3832 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3833 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3834 sc->tulip_flags |= TULIP_SYSTEMERROR; 3835 } else { 3836 printf("%s: system error: %s\n", 3837 sc->tulip_xname, 3838 tulip_system_errors[sc->tulip_last_system_error]); 3839 } 3840 sc->tulip_flags |= TULIP_NEEDRESET; 3841 sc->tulip_system_errors++; 3842 break; 3843 } 3844 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3845 #if defined(TULIP_DEBUG) 3846 sc->tulip_dbg.dbg_link_intrs++; 3847 #endif 3848 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3849 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3850 ? TULIP_MEDIAPOLL_LINKFAIL 3851 : TULIP_MEDIAPOLL_LINKPASS); 3852 csr &= ~TULIP_STS_ABNRMLINTR; 3853 } 3854 tulip_media_print(sc); 3855 } 3856 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3857 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3858 if (csr & TULIP_STS_RXNOBUF) 3859 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3860 /* 3861 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3862 * on receive overflows. 3863 */ 3864 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3865 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3866 /* 3867 * Stop the receiver process and spin until it's stopped. 3868 * Tell rx_intr to drop the packets it dequeues. 3869 */ 3870 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3871 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3872 ; 3873 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3874 sc->tulip_flags |= TULIP_RXIGNORE; 3875 } 3876 tulip_rx_intr(sc); 3877 if (sc->tulip_flags & TULIP_RXIGNORE) { 3878 /* 3879 * Restart the receiver. 3880 */ 3881 sc->tulip_flags &= ~TULIP_RXIGNORE; 3882 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3883 } 3884 } 3885 if (csr & TULIP_STS_ABNRMLINTR) { 3886 u_int32_t tmp = csr & sc->tulip_intrmask 3887 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3888 if (csr & TULIP_STS_TXUNDERFLOW) { 3889 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3890 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3891 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3892 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3893 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3894 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3895 } 3896 } 3897 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3898 sc->tulip_statusbits |= tmp; 3899 } else { 3900 tulip_print_abnormal_interrupt(sc, tmp); 3901 sc->tulip_flags |= TULIP_NOMESSAGES; 3902 } 3903 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3904 } 3905 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3906 tulip_tx_intr(sc); 3907 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3908 tulip_ifstart(&sc->tulip_if); 3909 } 3910 } 3911 if (sc->tulip_flags & TULIP_NEEDRESET) { 3912 tulip_reset(sc); 3913 tulip_init(sc); 3914 } 3915 TULIP_PERFEND(intr); 3916 } 3917 3918 #if defined(TULIP_USE_SOFTINTR) 3919 /* 3920 * This is an experimental idea to alleviate problems due to interrupt 3921 * livelock. What is interrupt livelock? It's when you spend all your 3922 * time servicing device interrupts and never drop below device ipl 3923 * to do "useful" work. 3924 * 3925 * So what we do here is see if the device needs service and if so, 3926 * disable interrupts (dismiss the interrupt), place it in a list of devices 3927 * needing service, and issue a network software interrupt. 3928 * 3929 * When our network software interrupt routine gets called, we simply 3930 * walk done the list of devices that we have created and deal with them 3931 * at splnet/splsoftnet. 3932 * 3933 */ 3934 static void 3935 tulip_hardintr_handler( 3936 tulip_softc_t * const sc, 3937 int *progress_p) 3938 { 3939 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3940 return; 3941 *progress_p = 1; 3942 /* 3943 * disable interrupts 3944 */ 3945 TULIP_CSR_WRITE(sc, csr_intr, 0); 3946 /* 3947 * mark it as needing a software interrupt 3948 */ 3949 tulip_softintr_mask |= (1U << sc->tulip_unit); 3950 } 3951 3952 static void 3953 tulip_softintr( 3954 void) 3955 { 3956 u_int32_t softintr_mask, mask; 3957 int progress = 0; 3958 int unit; 3959 int s; 3960 3961 /* 3962 * Copy mask to local copy and reset global one to 0. 3963 */ 3964 s = splimp(); 3965 softintr_mask = tulip_softintr_mask; 3966 tulip_softintr_mask = 0; 3967 splx(s); 3968 3969 /* 3970 * Optimize for the single unit case. 3971 */ 3972 if (tulip_softintr_max_unit == 0) { 3973 if (softintr_mask & 1) { 3974 tulip_softc_t * const sc = tulips[0]; 3975 /* 3976 * Handle the "interrupt" and then reenable interrupts 3977 */ 3978 softintr_mask = 0; 3979 tulip_intr_handler(sc, &progress); 3980 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3981 } 3982 return; 3983 } 3984 3985 /* 3986 * Handle all "queued" interrupts in a round robin fashion. 3987 * This is done so as not to favor a particular interface. 3988 */ 3989 unit = tulip_softintr_last_unit; 3990 mask = (1U << unit); 3991 while (softintr_mask != 0) { 3992 if (tulip_softintr_max_unit == unit) { 3993 unit = 0; mask = 1; 3994 } else { 3995 unit += 1; mask <<= 1; 3996 } 3997 if (softintr_mask & mask) { 3998 tulip_softc_t * const sc = tulips[unit]; 3999 /* 4000 * Handle the "interrupt" and then reenable interrupts 4001 */ 4002 softintr_mask ^= mask; 4003 tulip_intr_handler(sc, &progress); 4004 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4005 } 4006 } 4007 4008 /* 4009 * Save where we ending up. 4010 */ 4011 tulip_softintr_last_unit = unit; 4012 } 4013 #endif /* TULIP_USE_SOFTINTR */ 4014 4015 static void 4016 tulip_intr_shared( 4017 void *arg) 4018 { 4019 tulip_softc_t * sc = arg; 4020 int progress = 0; 4021 4022 for (; sc != NULL; sc = sc->tulip_slaves) { 4023 #if defined(TULIP_DEBUG) 4024 sc->tulip_dbg.dbg_intrs++; 4025 #endif 4026 #if defined(TULIP_USE_SOFTINTR) 4027 tulip_hardintr_handler(sc, &progress); 4028 #else 4029 tulip_intr_handler(sc, &progress); 4030 #endif 4031 } 4032 #if defined(TULIP_USE_SOFTINTR) 4033 if (progress) 4034 schednetisr(NETISR_DE); 4035 #endif 4036 } 4037 4038 static void 4039 tulip_intr_normal( 4040 void *arg) 4041 { 4042 tulip_softc_t * sc = (tulip_softc_t *) arg; 4043 int progress = 0; 4044 4045 #if defined(TULIP_DEBUG) 4046 sc->tulip_dbg.dbg_intrs++; 4047 #endif 4048 #if defined(TULIP_USE_SOFTINTR) 4049 tulip_hardintr_handler(sc, &progress); 4050 if (progress) 4051 schednetisr(NETISR_DE); 4052 #else 4053 tulip_intr_handler(sc, &progress); 4054 #endif 4055 } 4056 4057 static struct mbuf * 4058 tulip_mbuf_compress( 4059 struct mbuf *m) 4060 { 4061 struct mbuf *m0; 4062 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4063 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4064 if (m0 != NULL) { 4065 if (m->m_pkthdr.len > MHLEN) { 4066 MCLGET(m0, M_DONTWAIT); 4067 if ((m0->m_flags & M_EXT) == 0) { 4068 m_freem(m); 4069 m_freem(m0); 4070 return NULL; 4071 } 4072 } 4073 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4074 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4075 } 4076 #else 4077 int mlen = MHLEN; 4078 int len = m->m_pkthdr.len; 4079 struct mbuf **mp = &m0; 4080 4081 while (len > 0) { 4082 if (mlen == MHLEN) { 4083 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4084 } else { 4085 MGET(*mp, M_DONTWAIT, MT_DATA); 4086 } 4087 if (*mp == NULL) { 4088 m_freem(m0); 4089 m0 = NULL; 4090 break; 4091 } 4092 if (len > MLEN) { 4093 MCLGET(*mp, M_DONTWAIT); 4094 if (((*mp)->m_flags & M_EXT) == 0) { 4095 m_freem(m0); 4096 m0 = NULL; 4097 break; 4098 } 4099 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4100 } else { 4101 (*mp)->m_len = len <= mlen ? len : mlen; 4102 } 4103 m_copydata(m, m->m_pkthdr.len - len, 4104 (*mp)->m_len, mtod((*mp), caddr_t)); 4105 len -= (*mp)->m_len; 4106 mp = &(*mp)->m_next; 4107 mlen = MLEN; 4108 } 4109 #endif 4110 m_freem(m); 4111 return m0; 4112 } 4113 4114 static struct mbuf * 4115 tulip_txput( 4116 tulip_softc_t * const sc, 4117 struct mbuf *m) 4118 { 4119 TULIP_PERFSTART(txput) 4120 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4121 tulip_desc_t *eop, *nextout; 4122 int segcnt, free; 4123 u_int32_t d_status; 4124 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4125 bus_dmamap_t map; 4126 int error; 4127 #else 4128 struct mbuf *m0; 4129 #endif 4130 4131 #if defined(TULIP_DEBUG) 4132 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4133 printf("%s: txput%s: tx not running\n", 4134 sc->tulip_xname, 4135 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4136 sc->tulip_flags |= TULIP_WANTTXSTART; 4137 sc->tulip_dbg.dbg_txput_finishes[0]++; 4138 goto finish; 4139 } 4140 #endif 4141 4142 /* 4143 * Now we try to fill in our transmit descriptors. This is 4144 * a bit reminiscent of going on the Ark two by two 4145 * since each descriptor for the TULIP can describe 4146 * two buffers. So we advance through packet filling 4147 * each of the two entries at a time to to fill each 4148 * descriptor. Clear the first and last segment bits 4149 * in each descriptor (actually just clear everything 4150 * but the end-of-ring or chain bits) to make sure 4151 * we don't get messed up by previously sent packets. 4152 * 4153 * We may fail to put the entire packet on the ring if 4154 * there is either not enough ring entries free or if the 4155 * packet has more than MAX_TXSEG segments. In the former 4156 * case we will just wait for the ring to empty. In the 4157 * latter case we have to recopy. 4158 */ 4159 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4160 again: 4161 m0 = m; 4162 #endif 4163 d_status = 0; 4164 eop = nextout = ri->ri_nextout; 4165 segcnt = 0; 4166 free = ri->ri_free; 4167 4168 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4169 /* 4170 * Reclaim some dma maps from if we are out. 4171 */ 4172 if (sc->tulip_txmaps_free == 0) { 4173 #if defined(TULIP_DEBUG) 4174 sc->tulip_dbg.dbg_no_txmaps++; 4175 #endif 4176 free += tulip_tx_intr(sc); 4177 } 4178 if (sc->tulip_txmaps_free > 0) { 4179 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4180 } else { 4181 sc->tulip_flags |= TULIP_WANTTXSTART; 4182 #if defined(TULIP_DEBUG) 4183 sc->tulip_dbg.dbg_txput_finishes[1]++; 4184 #endif 4185 goto finish; 4186 } 4187 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4188 if (error != 0) { 4189 if (error == EFBIG) { 4190 /* 4191 * The packet exceeds the number of transmit buffer 4192 * entries that we can use for one packet, so we have 4193 * to recopy it into one mbuf and then try again. 4194 */ 4195 m = tulip_mbuf_compress(m); 4196 if (m == NULL) { 4197 #if defined(TULIP_DEBUG) 4198 sc->tulip_dbg.dbg_txput_finishes[2]++; 4199 #endif 4200 goto finish; 4201 } 4202 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4203 } 4204 if (error != 0) { 4205 printf("%s: unable to load tx map, " 4206 "error = %d\n", sc->tulip_xname, error); 4207 #if defined(TULIP_DEBUG) 4208 sc->tulip_dbg.dbg_txput_finishes[3]++; 4209 #endif 4210 goto finish; 4211 } 4212 } 4213 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4214 /* 4215 * See if there's any unclaimed space in the transmit ring. 4216 */ 4217 && (free += tulip_tx_intr(sc)) <= 0) { 4218 /* 4219 * There's no more room but since nothing 4220 * has been committed at this point, just 4221 * show output is active, put back the 4222 * mbuf and return. 4223 */ 4224 sc->tulip_flags |= TULIP_WANTTXSTART; 4225 #if defined(TULIP_DEBUG) 4226 sc->tulip_dbg.dbg_txput_finishes[4]++; 4227 #endif 4228 bus_dmamap_unload(sc->tulip_dmatag, map); 4229 goto finish; 4230 } 4231 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4232 eop = nextout; 4233 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4234 eop->d_status = d_status; 4235 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4236 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4237 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4238 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4239 d_status = TULIP_DSTS_OWNER; 4240 if (++nextout == ri->ri_last) 4241 nextout = ri->ri_first; 4242 } 4243 if (segcnt < map->dm_nsegs) { 4244 eop = nextout; 4245 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4246 eop->d_status = d_status; 4247 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4248 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4249 eop->d_addr2 = 0; 4250 eop->d_length2 = 0; 4251 if (++nextout == ri->ri_last) 4252 nextout = ri->ri_first; 4253 } 4254 TULIP_TXMAP_PRESYNC(sc, map); 4255 M_SETCTX(m, map); 4256 map = NULL; 4257 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4258 4259 #else /* !TULIP_BUS_DMA */ 4260 4261 do { 4262 int len = m0->m_len; 4263 caddr_t addr = mtod(m0, caddr_t); 4264 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4265 4266 while (len > 0) { 4267 unsigned slen = min(len, clsize); 4268 #ifdef BIG_PACKET 4269 int partial = 0; 4270 if (slen >= 2048) 4271 slen = 2040, partial = 1; 4272 #endif 4273 segcnt++; 4274 if (segcnt > TULIP_MAX_TXSEG) { 4275 /* 4276 * The packet exceeds the number of transmit buffer 4277 * entries that we can use for one packet, so we have 4278 * recopy it into one mbuf and then try again. 4279 */ 4280 m = tulip_mbuf_compress(m); 4281 if (m == NULL) 4282 goto finish; 4283 goto again; 4284 } 4285 if (segcnt & 1) { 4286 if (--free == 0) { 4287 /* 4288 * See if there's any unclaimed space in the 4289 * transmit ring. 4290 */ 4291 if ((free += tulip_tx_intr(sc)) == 0) { 4292 /* 4293 * There's no more room but since nothing 4294 * has been committed at this point, just 4295 * show output is active, put back the 4296 * mbuf and return. 4297 */ 4298 sc->tulip_flags |= TULIP_WANTTXSTART; 4299 #if defined(TULIP_DEBUG) 4300 sc->tulip_dbg.dbg_txput_finishes[1]++; 4301 #endif 4302 goto finish; 4303 } 4304 } 4305 eop = nextout; 4306 if (++nextout == ri->ri_last) 4307 nextout = ri->ri_first; 4308 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4309 eop->d_status = d_status; 4310 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4311 eop->d_length1 = slen; 4312 } else { 4313 /* 4314 * Fill in second half of descriptor 4315 */ 4316 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4317 eop->d_length2 = slen; 4318 } 4319 d_status = TULIP_DSTS_OWNER; 4320 len -= slen; 4321 addr += slen; 4322 #ifdef BIG_PACKET 4323 if (partial) 4324 continue; 4325 #endif 4326 clsize = PAGE_SIZE; 4327 } 4328 } while ((m0 = m0->m_next) != NULL); 4329 #endif /* TULIP_BUS_DMA */ 4330 4331 /* 4332 * bounce a copy to the bpf listener, if any. 4333 */ 4334 BPF_MTAP(&sc->tulip_if, m); 4335 4336 /* 4337 * The descriptors have been filled in. Now get ready 4338 * to transmit. 4339 */ 4340 _IF_ENQUEUE(&sc->tulip_txq, m); 4341 m = NULL; 4342 4343 /* 4344 * Make sure the next descriptor after this packet is owned 4345 * by us since it may have been set up above if we ran out 4346 * of room in the ring. 4347 */ 4348 nextout->d_status = 0; 4349 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4350 4351 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4352 /* 4353 * If we only used the first segment of the last descriptor, 4354 * make sure the second segment will not be used. 4355 */ 4356 if (segcnt & 1) { 4357 eop->d_addr2 = 0; 4358 eop->d_length2 = 0; 4359 } 4360 #endif /* TULIP_BUS_DMA */ 4361 4362 /* 4363 * Mark the last and first segments, indicate we want a transmit 4364 * complete interrupt, and tell it to transmit! 4365 */ 4366 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4367 4368 /* 4369 * Note that ri->ri_nextout is still the start of the packet 4370 * and until we set the OWNER bit, we can still back out of 4371 * everything we have done. 4372 */ 4373 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4374 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4375 if (eop < ri->ri_nextout) { 4376 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4377 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4378 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4379 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4380 } else { 4381 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4382 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4383 } 4384 #endif 4385 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4386 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4387 4388 /* 4389 * This advances the ring for us. 4390 */ 4391 ri->ri_nextout = nextout; 4392 ri->ri_free = free; 4393 4394 TULIP_PERFEND(txput); 4395 4396 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4397 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4398 sc->tulip_if.if_flags |= IFF_OACTIVE; 4399 sc->tulip_if.if_start = tulip_ifstart; 4400 TULIP_PERFEND(txput); 4401 return NULL; 4402 } 4403 4404 /* 4405 * switch back to the single queueing ifstart. 4406 */ 4407 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4408 if (sc->tulip_txtimer == 0) 4409 sc->tulip_txtimer = TULIP_TXTIMER; 4410 #if defined(TULIP_DEBUG) 4411 sc->tulip_dbg.dbg_txput_finishes[5]++; 4412 #endif 4413 4414 /* 4415 * If we want a txstart, there must be not enough space in the 4416 * transmit ring. So we want to enable transmit done interrupts 4417 * so we can immediately reclaim some space. When the transmit 4418 * interrupt is posted, the interrupt handler will call tx_intr 4419 * to reclaim space and then txstart (since WANTTXSTART is set). 4420 * txstart will move the packet into the transmit ring and clear 4421 * WANTTXSTART thereby causing TXINTR to be cleared. 4422 */ 4423 finish: 4424 #if defined(TULIP_DEBUG) 4425 sc->tulip_dbg.dbg_txput_finishes[6]++; 4426 #endif 4427 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4428 sc->tulip_if.if_flags |= IFF_OACTIVE; 4429 sc->tulip_if.if_start = tulip_ifstart; 4430 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4431 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4432 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4433 } 4434 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4435 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4436 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4437 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4438 } 4439 } 4440 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4441 TULIP_PERFEND(txput); 4442 return m; 4443 } 4444 4445 static void 4446 tulip_txput_setup( 4447 tulip_softc_t * const sc) 4448 { 4449 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4450 tulip_desc_t *nextout; 4451 4452 /* 4453 * We will transmit, at most, one setup packet per call to ifstart. 4454 */ 4455 4456 #if defined(TULIP_DEBUG) 4457 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4458 printf("%s: txput_setup: tx not running\n", 4459 sc->tulip_xname); 4460 sc->tulip_flags |= TULIP_WANTTXSTART; 4461 sc->tulip_if.if_start = tulip_ifstart; 4462 return; 4463 } 4464 #endif 4465 /* 4466 * Try to reclaim some free descriptors.. 4467 */ 4468 if (ri->ri_free < 2) 4469 tulip_tx_intr(sc); 4470 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4471 sc->tulip_flags |= TULIP_WANTTXSTART; 4472 sc->tulip_if.if_start = tulip_ifstart; 4473 return; 4474 } 4475 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4476 sizeof(sc->tulip_setupbuf)); 4477 /* 4478 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4479 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4480 */ 4481 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4482 ri->ri_free--; 4483 nextout = ri->ri_nextout; 4484 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4485 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4486 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4487 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4488 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4489 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4490 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4491 4492 nextout->d_length2 = 0; 4493 nextout->d_addr2 = 0; 4494 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4495 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4496 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4497 if (sc->tulip_setupmap->dm_nsegs == 2) { 4498 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4499 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4500 } 4501 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4502 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4503 #else 4504 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4505 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4506 #endif 4507 4508 /* 4509 * Advance the ring for the next transmit packet. 4510 */ 4511 if (++ri->ri_nextout == ri->ri_last) 4512 ri->ri_nextout = ri->ri_first; 4513 4514 /* 4515 * Make sure the next descriptor is owned by us since it 4516 * may have been set up above if we ran out of room in the 4517 * ring. 4518 */ 4519 ri->ri_nextout->d_status = 0; 4520 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4521 nextout->d_status = TULIP_DSTS_OWNER; 4522 /* 4523 * Flush the ownwership of the current descriptor 4524 */ 4525 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4526 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4527 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4528 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4529 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4530 } 4531 } 4532 4533 4534 /* 4535 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4536 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4537 * defined or not. 4538 */ 4539 static int 4540 tulip_ifioctl( 4541 struct ifnet * ifp, 4542 u_long cmd, 4543 caddr_t data) 4544 { 4545 TULIP_PERFSTART(ifioctl) 4546 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4547 struct ifreq *ifr = (struct ifreq *) data; 4548 int s; 4549 int error = 0; 4550 4551 #if defined(TULIP_USE_SOFTINTR) 4552 s = splnet(); 4553 #else 4554 s = splimp(); 4555 #endif 4556 switch (cmd) { 4557 case SIOCSIFFLAGS: { 4558 tulip_addr_filter(sc); /* reinit multicast filter */ 4559 tulip_init(sc); 4560 break; 4561 } 4562 4563 case SIOCSIFMEDIA: 4564 case SIOCGIFMEDIA: { 4565 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4566 break; 4567 } 4568 4569 case SIOCADDMULTI: 4570 case SIOCDELMULTI: { 4571 /* 4572 * Update multicast listeners 4573 */ 4574 tulip_addr_filter(sc); /* reset multicast filtering */ 4575 tulip_init(sc); 4576 error = 0; 4577 break; 4578 } 4579 4580 case SIOCSIFMTU: 4581 /* 4582 * Set the interface MTU. 4583 */ 4584 if (ifr->ifr_mtu > ETHERMTU 4585 #ifdef BIG_PACKET 4586 && sc->tulip_chipid != TULIP_21140 4587 && sc->tulip_chipid != TULIP_21140A 4588 && sc->tulip_chipid != TULIP_21041 4589 #endif 4590 ) { 4591 error = EINVAL; 4592 break; 4593 } 4594 ifp->if_mtu = ifr->ifr_mtu; 4595 #ifdef BIG_PACKET 4596 tulip_reset(sc); 4597 tulip_init(sc); 4598 #endif 4599 break; 4600 4601 #ifdef SIOCGADDRROM 4602 case SIOCGADDRROM: { 4603 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4604 break; 4605 } 4606 #endif 4607 #ifdef SIOCGCHIPID 4608 case SIOCGCHIPID: { 4609 ifr->ifr_metric = (int) sc->tulip_chipid; 4610 break; 4611 } 4612 #endif 4613 default: { 4614 error = ether_ioctl(ifp, cmd, data); 4615 break; 4616 } 4617 } 4618 4619 splx(s); 4620 TULIP_PERFEND(ifioctl); 4621 return error; 4622 } 4623 4624 /* 4625 * These routines gets called at device spl (from ether_output). This might 4626 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4627 * device spl from another driver. 4628 */ 4629 4630 static void 4631 tulip_ifstart( 4632 struct ifnet * const ifp) 4633 { 4634 TULIP_PERFSTART(ifstart) 4635 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4636 4637 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4638 4639 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4640 tulip_txput_setup(sc); 4641 4642 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4643 struct mbuf *m; 4644 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4645 if ((m = tulip_txput(sc, m)) != NULL) { 4646 IF_PREPEND(&sc->tulip_if.if_snd, m); 4647 break; 4648 } 4649 } 4650 if (sc->tulip_if.if_snd.ifq_head == NULL) 4651 sc->tulip_if.if_start = tulip_ifstart_one; 4652 } 4653 4654 TULIP_PERFEND(ifstart); 4655 } 4656 4657 static void 4658 tulip_ifstart_one( 4659 struct ifnet * const ifp) 4660 { 4661 TULIP_PERFSTART(ifstart_one) 4662 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4663 4664 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4665 && sc->tulip_if.if_snd.ifq_head != NULL) { 4666 struct mbuf *m; 4667 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4668 if ((m = tulip_txput(sc, m)) != NULL) 4669 IF_PREPEND(&sc->tulip_if.if_snd, m); 4670 } 4671 TULIP_PERFEND(ifstart_one); 4672 } 4673 4674 /* 4675 * Even though this routine runs at device spl, it does not break 4676 * our use of splnet (splsoftnet under NetBSD) for the majority 4677 * of this driver (if TULIP_USE_SOFTINTR defined) since 4678 * if_watcbog is called from if_watchdog which is called from 4679 * splsoftclock which is below spl[soft]net. 4680 */ 4681 static void 4682 tulip_ifwatchdog( 4683 struct ifnet *ifp) 4684 { 4685 TULIP_PERFSTART(ifwatchdog) 4686 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4687 4688 #if defined(TULIP_DEBUG) 4689 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4690 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4691 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4692 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4693 #endif /* TULIP_DEBUG */ 4694 4695 sc->tulip_if.if_timer = 1; 4696 /* 4697 * These should be rare so do a bulk test up front so we can just skip 4698 * them if needed. 4699 */ 4700 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4701 /* 4702 * If the number of receive buffer is low, try to refill 4703 */ 4704 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4705 tulip_rx_intr(sc); 4706 4707 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4708 printf("%s: %d system errors: last was %s\n", 4709 sc->tulip_xname, sc->tulip_system_errors, 4710 tulip_system_errors[sc->tulip_last_system_error]); 4711 } 4712 if (sc->tulip_statusbits) { 4713 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4714 sc->tulip_statusbits = 0; 4715 } 4716 4717 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4718 } 4719 4720 if (sc->tulip_txtimer) 4721 tulip_tx_intr(sc); 4722 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4723 printf("%s: transmission timeout\n", sc->tulip_xname); 4724 if (TULIP_DO_AUTOSENSE(sc)) { 4725 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4726 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4727 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4728 } 4729 tulip_reset(sc); 4730 tulip_init(sc); 4731 } 4732 4733 TULIP_PERFEND(ifwatchdog); 4734 TULIP_PERFMERGE(sc, perf_intr_cycles); 4735 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4736 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4737 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4738 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4739 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4740 TULIP_PERFMERGE(sc, perf_txput_cycles); 4741 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4742 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4743 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4744 TULIP_PERFMERGE(sc, perf_intr); 4745 TULIP_PERFMERGE(sc, perf_ifstart); 4746 TULIP_PERFMERGE(sc, perf_ifioctl); 4747 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4748 TULIP_PERFMERGE(sc, perf_timeout); 4749 TULIP_PERFMERGE(sc, perf_ifstart_one); 4750 TULIP_PERFMERGE(sc, perf_txput); 4751 TULIP_PERFMERGE(sc, perf_txintr); 4752 TULIP_PERFMERGE(sc, perf_rxintr); 4753 TULIP_PERFMERGE(sc, perf_rxget); 4754 } 4755 4756 /* 4757 * All printf's are real as of now! 4758 */ 4759 #ifdef printf 4760 #undef printf 4761 #endif 4762 4763 static void 4764 tulip_attach( 4765 tulip_softc_t * const sc) 4766 { 4767 struct ifnet * const ifp = &sc->tulip_if; 4768 4769 /* XXX: driver name/unit should be set some other way */ 4770 ifp->if_dname = "de"; 4771 ifp->if_dunit = sc->tulip_unit; 4772 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4773 ifp->if_ioctl = tulip_ifioctl; 4774 ifp->if_start = tulip_ifstart; 4775 ifp->if_watchdog = tulip_ifwatchdog; 4776 ifp->if_timer = 1; 4777 ifp->if_output = ether_output; 4778 ifp->if_init = tulip_ifinit; 4779 4780 printf("%s: %s%s pass %d.%d%s\n", 4781 sc->tulip_xname, 4782 sc->tulip_boardid, 4783 tulip_chipdescs[sc->tulip_chipid], 4784 (sc->tulip_revinfo & 0xF0) >> 4, 4785 sc->tulip_revinfo & 0x0F, 4786 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4787 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4788 printf("%s: address %6D\n", 4789 sc->tulip_xname, sc->tulip_enaddr, ":"); 4790 4791 #if defined(__alpha__) 4792 /* 4793 * In case the SRM console told us about a bogus media, 4794 * we need to check to be safe. 4795 */ 4796 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4797 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4798 #endif 4799 4800 (*sc->tulip_boardsw->bd_media_probe)(sc); 4801 ifmedia_init(&sc->tulip_ifmedia, 0, 4802 tulip_ifmedia_change, 4803 tulip_ifmedia_status); 4804 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4805 tulip_ifmedia_add(sc); 4806 4807 tulip_reset(sc); 4808 4809 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr); 4810 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4811 } 4812 4813 #if defined(TULIP_BUS_DMA) 4814 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4815 static int 4816 tulip_busdma_allocmem( 4817 tulip_softc_t * const sc, 4818 size_t size, 4819 bus_dmamap_t *map_p, 4820 tulip_desc_t **desc_p) 4821 { 4822 bus_dma_segment_t segs[1]; 4823 int nsegs, error; 4824 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4825 segs, sizeof(segs)/sizeof(segs[0]), 4826 &nsegs, BUS_DMA_NOWAIT); 4827 if (error == 0) { 4828 void *desc; 4829 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4830 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4831 if (error == 0) { 4832 bus_dmamap_t map; 4833 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4834 BUS_DMA_NOWAIT, &map); 4835 if (error == 0) { 4836 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4837 size, NULL, BUS_DMA_NOWAIT); 4838 if (error) 4839 bus_dmamap_destroy(sc->tulip_dmatag, map); 4840 else 4841 *map_p = map; 4842 } 4843 if (error) 4844 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4845 } 4846 if (error) 4847 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4848 else 4849 *desc_p = desc; 4850 } 4851 return error; 4852 } 4853 #endif 4854 4855 static int 4856 tulip_busdma_init( 4857 tulip_softc_t * const sc) 4858 { 4859 int error = 0; 4860 4861 #if !defined(TULIP_BUS_DMA_NOTX) 4862 /* 4863 * Allocate dmamap for setup descriptor 4864 */ 4865 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4866 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4867 &sc->tulip_setupmap); 4868 if (error == 0) { 4869 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4870 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4871 NULL, BUS_DMA_NOWAIT); 4872 if (error) 4873 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4874 } 4875 /* 4876 * Allocate space and dmamap for transmit ring 4877 */ 4878 if (error == 0) { 4879 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4880 &sc->tulip_txdescmap, 4881 &sc->tulip_txdescs); 4882 } 4883 4884 /* 4885 * Allocate dmamaps for each transmit descriptors 4886 */ 4887 if (error == 0) { 4888 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4889 bus_dmamap_t map; 4890 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4891 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4892 } 4893 if (error) { 4894 while (sc->tulip_txmaps_free > 0) 4895 bus_dmamap_destroy(sc->tulip_dmatag, 4896 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4897 } 4898 } 4899 #else 4900 if (error == 0) { 4901 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4902 if (sc->tulip_txdescs == NULL) 4903 error = ENOMEM; 4904 } 4905 #endif 4906 #if !defined(TULIP_BUS_DMA_NORX) 4907 /* 4908 * Allocate space and dmamap for receive ring 4909 */ 4910 if (error == 0) { 4911 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4912 &sc->tulip_rxdescmap, 4913 &sc->tulip_rxdescs); 4914 } 4915 4916 /* 4917 * Allocate dmamaps for each receive descriptors 4918 */ 4919 if (error == 0) { 4920 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4921 bus_dmamap_t map; 4922 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4923 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4924 } 4925 if (error) { 4926 while (sc->tulip_rxmaps_free > 0) 4927 bus_dmamap_destroy(sc->tulip_dmatag, 4928 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4929 } 4930 } 4931 #else 4932 if (error == 0) { 4933 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4934 if (sc->tulip_rxdescs == NULL) 4935 error = ENOMEM; 4936 } 4937 #endif 4938 return error; 4939 } 4940 #endif /* TULIP_BUS_DMA */ 4941 4942 static void 4943 tulip_initcsrs( 4944 tulip_softc_t * const sc, 4945 tulip_csrptr_t csr_base, 4946 size_t csr_size) 4947 { 4948 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4949 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4950 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4951 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4952 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4953 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4954 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4955 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4956 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4957 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4958 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4959 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4960 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4961 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4962 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4963 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4964 } 4965 4966 static void 4967 tulip_initring( 4968 tulip_softc_t * const sc, 4969 tulip_ringinfo_t * const ri, 4970 tulip_desc_t *descs, 4971 int ndescs) 4972 { 4973 ri->ri_max = ndescs; 4974 ri->ri_first = descs; 4975 ri->ri_last = ri->ri_first + ri->ri_max; 4976 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4977 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4978 } 4979 4980 /* 4981 * This is the PCI configuration support. 4982 */ 4983 4984 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4985 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4986 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4987 4988 static int 4989 tulip_pci_probe(device_t dev) 4990 { 4991 const char *name = NULL; 4992 4993 if (pci_get_vendor(dev) != DEC_VENDORID) 4994 return ENXIO; 4995 4996 /* 4997 * Some LanMedia WAN cards use the Tulip chip, but they have 4998 * their own driver, and we should not recognize them 4999 */ 5000 if (pci_get_subvendor(dev) == 0x1376) 5001 return ENXIO; 5002 5003 switch (pci_get_device(dev)) { 5004 case CHIPID_21040: 5005 name = "Digital 21040 Ethernet"; 5006 break; 5007 case CHIPID_21041: 5008 name = "Digital 21041 Ethernet"; 5009 break; 5010 case CHIPID_21140: 5011 if (pci_get_revid(dev) >= 0x20) 5012 name = "Digital 21140A Fast Ethernet"; 5013 else 5014 name = "Digital 21140 Fast Ethernet"; 5015 break; 5016 case CHIPID_21142: 5017 if (pci_get_revid(dev) >= 0x20) 5018 name = "Digital 21143 Fast Ethernet"; 5019 else 5020 name = "Digital 21142 Fast Ethernet"; 5021 break; 5022 } 5023 if (name) { 5024 device_set_desc(dev, name); 5025 return -200; 5026 } 5027 return ENXIO; 5028 } 5029 5030 static int 5031 tulip_shutdown(device_t dev) 5032 { 5033 tulip_softc_t * const sc = device_get_softc(dev); 5034 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5035 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5036 33MHz that comes to two microseconds but wait a 5037 bit longer anyways) */ 5038 return 0; 5039 } 5040 5041 static int 5042 tulip_pci_attach(device_t dev) 5043 { 5044 tulip_softc_t *sc; 5045 #if defined(__alpha__) 5046 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5047 #endif 5048 int retval, idx; 5049 u_int32_t revinfo, cfdainfo, cfcsinfo; 5050 unsigned csroffset = TULIP_PCI_CSROFFSET; 5051 unsigned csrsize = TULIP_PCI_CSRSIZE; 5052 tulip_csrptr_t csr_base; 5053 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5054 struct resource *res; 5055 int rid, unit; 5056 5057 unit = device_get_unit(dev); 5058 5059 if (unit >= TULIP_MAX_DEVICES) { 5060 printf("de%d", unit); 5061 printf(": not configured; limit of %d reached or exceeded\n", 5062 TULIP_MAX_DEVICES); 5063 return ENXIO; 5064 } 5065 5066 revinfo = pci_get_revid(dev); 5067 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5068 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5069 5070 /* turn busmaster on in case BIOS doesn't set it */ 5071 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5072 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5073 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5074 } 5075 5076 if (pci_get_vendor(dev) == DEC_VENDORID) { 5077 if (pci_get_device(dev) == CHIPID_21040) 5078 chipid = TULIP_21040; 5079 else if (pci_get_device(dev) == CHIPID_21041) 5080 chipid = TULIP_21041; 5081 else if (pci_get_device(dev) == CHIPID_21140) 5082 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5083 else if (pci_get_device(dev) == CHIPID_21142) 5084 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5085 } 5086 if (chipid == TULIP_CHIPID_UNKNOWN) 5087 return ENXIO; 5088 5089 if (chipid == TULIP_21040 && revinfo < 0x20) { 5090 printf("de%d", unit); 5091 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5092 revinfo >> 4, revinfo & 0x0f); 5093 return ENXIO; 5094 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5095 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5096 unit, revinfo >> 4, revinfo & 0x0f); 5097 return ENXIO; 5098 } 5099 5100 sc = device_get_softc(dev); 5101 sc->tulip_pci_busno = pci_get_bus(dev); 5102 sc->tulip_pci_devno = pci_get_slot(dev); 5103 sc->tulip_chipid = chipid; 5104 sc->tulip_flags |= TULIP_DEVICEPROBE; 5105 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5106 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5107 if (chipid == TULIP_21140A && revinfo <= 0x22) 5108 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5109 if (chipid == TULIP_21140) 5110 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5111 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5112 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5113 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5114 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5115 if (chipid != TULIP_21041 || revinfo >= 0x20) 5116 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5117 if (chipid != TULIP_21041) 5118 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5119 if (chipid != TULIP_21041 && revinfo >= 0x20) 5120 sc->tulip_features |= TULIP_HAVE_SIA100; 5121 } 5122 5123 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5124 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5125 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5126 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5127 DELAY(11*1000); 5128 } 5129 #if defined(__alpha__) 5130 /* 5131 * The Alpha SRM console encodes a console set media in the driver 5132 * part of the CFDA register. Note that the Multia presents a 5133 * problem in that its BNC mode is really EXTSIA. So in that case 5134 * force a probe. 5135 */ 5136 switch ((cfdainfo >> 8) & 0xff) { 5137 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5138 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5139 case 3: media = TULIP_MEDIA_10BASET; break; 5140 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5141 case 5: media = TULIP_MEDIA_100BASETX; break; 5142 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5143 default: media = TULIP_MEDIA_UNKNOWN; break; 5144 } 5145 #endif 5146 5147 sc->tulip_unit = unit; 5148 snprintf(sc->tulip_xname, IFNAMSIZ, "de%d", sc->tulip_unit); 5149 sc->tulip_revinfo = revinfo; 5150 sc->tulip_if.if_softc = sc; 5151 #if defined(TULIP_IOMAPPED) 5152 rid = PCI_CBIO; 5153 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 5154 0, ~0, 1, RF_ACTIVE); 5155 #else 5156 rid = PCI_CBMA; 5157 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 5158 0, ~0, 1, RF_ACTIVE); 5159 #endif 5160 if (!res) 5161 return ENXIO; 5162 sc->tulip_csrs_bst = rman_get_bustag(res); 5163 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5164 csr_base = 0; 5165 5166 tulips[unit] = sc; 5167 5168 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5169 5170 #if defined(TULIP_BUS_DMA) 5171 if ((retval = tulip_busdma_init(sc)) != 0) { 5172 printf("error initing bus_dma: %d\n", retval); 5173 return ENXIO; 5174 } 5175 #else 5176 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5177 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5178 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5179 printf("malloc failed\n"); 5180 if (sc->tulip_rxdescs) 5181 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5182 if (sc->tulip_txdescs) 5183 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5184 return ENXIO; 5185 } 5186 #endif 5187 5188 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5189 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5190 5191 /* 5192 * Make sure there won't be any interrupts or such... 5193 */ 5194 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5195 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5196 33MHz that comes to two microseconds but wait a 5197 bit longer anyways) */ 5198 5199 if ((retval = tulip_read_macaddr(sc)) < 0) { 5200 printf("%s", sc->tulip_xname); 5201 printf(": can't read ENET ROM (why=%d) (", retval); 5202 for (idx = 0; idx < 32; idx++) 5203 printf("%02x", sc->tulip_rombuf[idx]); 5204 printf("\n"); 5205 printf("%s: %s%s pass %d.%d\n", 5206 sc->tulip_xname, 5207 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5208 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5209 printf("%s: address unknown\n", sc->tulip_xname); 5210 } else { 5211 int s; 5212 void (*intr_rtn)(void *) = tulip_intr_normal; 5213 5214 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5215 intr_rtn = tulip_intr_shared; 5216 5217 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5218 void *ih; 5219 5220 rid = 0; 5221 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 5222 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 5223 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5224 intr_rtn, sc, &ih)) { 5225 printf("%s: couldn't map interrupt\n", 5226 sc->tulip_xname); 5227 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5228 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5229 return ENXIO; 5230 } 5231 } 5232 #if defined(TULIP_USE_SOFTINTR) 5233 if (sc->tulip_unit > tulip_softintr_max_unit) 5234 tulip_softintr_max_unit = sc->tulip_unit; 5235 #endif 5236 5237 s = splimp(); 5238 #if defined(__alpha__) 5239 sc->tulip_media = media; 5240 #endif 5241 tulip_attach(sc); 5242 #if defined(__alpha__) 5243 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5244 tulip_linkup(sc, media); 5245 #endif 5246 splx(s); 5247 } 5248 return 0; 5249 } 5250 5251 static device_method_t tulip_pci_methods[] = { 5252 /* Device interface */ 5253 DEVMETHOD(device_probe, tulip_pci_probe), 5254 DEVMETHOD(device_attach, tulip_pci_attach), 5255 DEVMETHOD(device_shutdown, tulip_shutdown), 5256 { 0, 0 } 5257 }; 5258 static driver_t tulip_pci_driver = { 5259 "de", 5260 tulip_pci_methods, 5261 sizeof(tulip_softc_t), 5262 }; 5263 static devclass_t tulip_devclass; 5264 DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0);

Cache object: f6693f365c4104fc2b4e81608fac3f74

FreeBSD/Linux Kernel Cross Reference sys/pci/if_de.c

FreeBSD/Linux Kernel Cross Reference
sys/pci/if_de.c