1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD: src/sys/pci/if_de.c,v 1.123.2.4 2000/08/04 23:25:09 peter Exp $ */ 4 /* $DragonFly: src/sys/dev/netif/de/if_de.c,v 1.2 2003/06/17 04:28:57 dillon Exp $ */ 5 6 /*- 7 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 8 * All rights reserved. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. The name of the author may not be used to endorse or promote products 16 * derived from this software withough specific prior written permission 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * 29 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 30 * 31 */ 32 33 /* 34 * DEC 21040 PCI Ethernet Controller 35 * 36 * Written by Matt Thomas 37 * BPF support code stolen directly from if_ec.c 38 * 39 * This driver supports the DEC DE435 or any other PCI 40 * board which support 21040, 21041, or 21140 (mostly). 41 */ 42 #define TULIP_HDR_DATA 43 44 #include <sys/param.h> 45 #include <sys/systm.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/clock.h> 53 #include <machine/bus.h> 54 #include <machine/resource.h> 55 #include <sys/bus.h> 56 #include <sys/rman.h> 57 58 #include "opt_inet.h" 59 #include "opt_ipx.h" 60 61 #include <net/if.h> 62 #include <net/if_media.h> 63 #include <net/if_dl.h> 64 #ifdef TULIP_USE_SOFTINTR 65 #include <net/netisr.h> 66 #endif 67 68 #include <net/bpf.h> 69 70 #ifdef INET 71 #include <netinet/in.h> 72 #include <netinet/if_ether.h> 73 #endif 74 75 #ifdef IPX 76 #include <netipx/ipx.h> 77 #include <netipx/ipx_if.h> 78 #endif 79 80 #ifdef NS 81 #include <netns/ns.h> 82 #include <netns/ns_if.h> 83 #endif 84 85 #include <vm/vm.h> 86 87 #include <net/if_var.h> 88 #include <vm/pmap.h> 89 #include <pci/pcivar.h> 90 #include <pci/pcireg.h> 91 #include <pci/dc21040reg.h> 92 93 /* 94 * Intel CPUs should use I/O mapped access. 95 */ 96 #if defined(__i386__) 97 #define TULIP_IOMAPPED 98 #endif 99 100 #if 0 101 /* 102 * This turns on all sort of debugging stuff and make the 103 * driver much larger. 104 */ 105 #define TULIP_DEBUG 106 #endif 107 108 #if 0 109 #define TULIP_PERFSTATS 110 #endif 111 112 #if 0 113 #define TULIP_USE_SOFTINTR 114 #endif 115 116 #define TULIP_HZ 10 117 118 #include <pci/if_devar.h> 119 120 /* 121 * This module supports 122 * the DEC 21040 PCI Ethernet Controller. 123 * the DEC 21041 PCI Ethernet Controller. 124 * the DEC 21140 PCI Fast Ethernet Controller. 125 */ 126 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 127 static void tulip_intr_shared(void *arg); 128 static void tulip_intr_normal(void *arg); 129 static void tulip_init(tulip_softc_t * const sc); 130 static void tulip_reset(tulip_softc_t * const sc); 131 static void tulip_ifstart_one(struct ifnet *ifp); 132 static void tulip_ifstart(struct ifnet *ifp); 133 static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 134 static void tulip_txput_setup(tulip_softc_t * const sc); 135 static void tulip_rx_intr(tulip_softc_t * const sc); 136 static void tulip_addr_filter(tulip_softc_t * const sc); 137 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 138 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 139 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 140 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 141 static int tulip_srom_decode(tulip_softc_t * const sc); 142 static int tulip_ifmedia_change(struct ifnet * const ifp); 143 static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 144 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 145 146 static void 147 tulip_timeout_callback( 148 void *arg) 149 { 150 tulip_softc_t * const sc = arg; 151 int s = splimp(); 152 153 TULIP_PERFSTART(timeout) 154 155 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 156 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 157 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 158 159 TULIP_PERFEND(timeout); 160 splx(s); 161 } 162 163 static void 164 tulip_timeout( 165 tulip_softc_t * const sc) 166 { 167 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 168 return; 169 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 170 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 171 } 172 173 #if defined(TULIP_NEED_FASTTIMEOUT) 174 static void 175 tulip_fasttimeout_callback( 176 void *arg) 177 { 178 tulip_softc_t * const sc = arg; 179 int s = splimp(); 180 181 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 182 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 183 splx(s); 184 } 185 186 static void 187 tulip_fasttimeout( 188 tulip_softc_t * const sc) 189 { 190 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 191 return; 192 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 193 timeout(tulip_fasttimeout_callback, sc, 1); 194 } 195 #endif 196 197 static int 198 tulip_txprobe( 199 tulip_softc_t * const sc) 200 { 201 struct mbuf *m; 202 /* 203 * Before we are sure this is the right media we need 204 * to send a small packet to make sure there's carrier. 205 * Strangely, BNC and AUI will "see" receive data if 206 * either is connected so the transmit is the only way 207 * to verify the connectivity. 208 */ 209 MGETHDR(m, M_DONTWAIT, MT_DATA); 210 if (m == NULL) 211 return 0; 212 /* 213 * Construct a LLC TEST message which will point to ourselves. 214 */ 215 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 216 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 217 mtod(m, struct ether_header *)->ether_type = htons(3); 218 mtod(m, unsigned char *)[14] = 0; 219 mtod(m, unsigned char *)[15] = 0; 220 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 221 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 222 /* 223 * send it! 224 */ 225 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 226 sc->tulip_intrmask |= TULIP_STS_TXINTR; 227 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 228 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 229 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 230 if ((m = tulip_txput(sc, m)) != NULL) 231 m_freem(m); 232 sc->tulip_probe.probe_txprobes++; 233 return 1; 234 } 235 236 #ifdef BIG_PACKET 237 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 238 #else 239 #define TULIP_SIAGEN_WATCHDOG 0 240 #endif 241 242 static void 243 tulip_media_set( 244 tulip_softc_t * const sc, 245 tulip_media_t media) 246 { 247 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 248 249 if (mi == NULL) 250 return; 251 252 /* 253 * If we are switching media, make sure we don't think there's 254 * any stale RX activity 255 */ 256 sc->tulip_flags &= ~TULIP_RXACT; 257 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 258 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 259 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 260 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 261 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 262 DELAY(50); 263 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 264 } else { 265 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 266 } 267 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 268 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 269 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 270 /* 271 * If the cmdmode bits don't match the currently operating mode, 272 * set the cmdmode appropriately and reset the chip. 273 */ 274 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 275 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 276 sc->tulip_cmdmode |= mi->mi_cmdmode; 277 tulip_reset(sc); 278 } 279 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 280 DELAY(10); 281 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 282 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 283 /* 284 * If the cmdmode bits don't match the currently operating mode, 285 * set the cmdmode appropriately and reset the chip. 286 */ 287 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 288 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 289 sc->tulip_cmdmode |= mi->mi_cmdmode; 290 tulip_reset(sc); 291 } 292 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 294 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 295 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 296 int idx; 297 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 298 const u_int8_t *dp; 299 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 300 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 301 DELAY(10); 302 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 303 } 304 sc->tulip_phyaddr = mi->mi_phyaddr; 305 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 306 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 307 DELAY(10); 308 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 309 } 310 } else { 311 for (idx = 0; idx < mi->mi_reset_length; idx++) { 312 DELAY(10); 313 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 314 } 315 sc->tulip_phyaddr = mi->mi_phyaddr; 316 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 317 DELAY(10); 318 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 319 } 320 } 321 if (sc->tulip_flags & TULIP_TRYNWAY) { 322 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 323 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 324 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 325 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 326 sc->tulip_flags &= ~TULIP_DIDNWAY; 327 if (TULIP_IS_MEDIA_FD(media)) 328 data |= PHYCTL_FULL_DUPLEX; 329 if (TULIP_IS_MEDIA_100MB(media)) 330 data |= PHYCTL_SELECT_100MB; 331 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 332 } 333 } 334 } 335 336 static void 337 tulip_linkup( 338 tulip_softc_t * const sc, 339 tulip_media_t media) 340 { 341 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 342 sc->tulip_flags |= TULIP_PRINTLINKUP; 343 sc->tulip_flags |= TULIP_LINKUP; 344 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 345 #if 0 /* XXX how does with work with ifmedia? */ 346 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 347 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 348 if (TULIP_CAN_MEDIA_FD(media) 349 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 350 media = TULIP_FD_MEDIA_OF(media); 351 } else { 352 if (TULIP_IS_MEDIA_FD(media) 353 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 354 media = TULIP_HD_MEDIA_OF(media); 355 } 356 } 357 #endif 358 if (sc->tulip_media != media) { 359 #ifdef TULIP_DEBUG 360 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 361 #endif 362 sc->tulip_media = media; 363 sc->tulip_flags |= TULIP_PRINTMEDIA; 364 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 365 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 366 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 367 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 368 } 369 } 370 /* 371 * We could set probe_timeout to 0 but setting to 3000 puts this 372 * in one central place and the only matters is tulip_link is 373 * followed by a tulip_timeout. Therefore setting it should not 374 * result in aberrant behavour. 375 */ 376 sc->tulip_probe_timeout = 3000; 377 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 378 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 379 if (sc->tulip_flags & TULIP_INRESET) { 380 tulip_media_set(sc, sc->tulip_media); 381 } else if (sc->tulip_probe_media != sc->tulip_media) { 382 /* 383 * No reason to change media if we have the right media. 384 */ 385 tulip_reset(sc); 386 } 387 tulip_init(sc); 388 } 389 390 static void 391 tulip_media_print( 392 tulip_softc_t * const sc) 393 { 394 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 395 return; 396 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 397 printf("%s%d: enabling %s port\n", 398 sc->tulip_name, sc->tulip_unit, 399 tulip_mediums[sc->tulip_media]); 400 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 401 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 402 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 403 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 404 } 405 } 406 407 #if defined(TULIP_DO_GPR_SENSE) 408 static tulip_media_t 409 tulip_21140_gpr_media_sense( 410 tulip_softc_t * const sc) 411 { 412 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 413 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 414 tulip_media_t media; 415 416 /* 417 * If one of the media blocks contained a default media flag, 418 * use that. 419 */ 420 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 421 const tulip_media_info_t *mi; 422 /* 423 * Media is not supported (or is full-duplex). 424 */ 425 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 426 continue; 427 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 428 continue; 429 430 /* 431 * Remember the media is this is the "default" media. 432 */ 433 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 434 maybe_media = media; 435 436 /* 437 * No activity mask? Can't see if it is active if there's no mask. 438 */ 439 if (mi->mi_actmask == 0) 440 continue; 441 442 /* 443 * Does the activity data match? 444 */ 445 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 446 continue; 447 448 #if defined(TULIP_DEBUG) 449 printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 450 sc->tulip_name, sc->tulip_unit, tulip_mediums[media], 451 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 452 mi->mi_actmask, mi->mi_actdata); 453 #endif 454 /* 455 * It does! If this is the first media we detected, then 456 * remember this media. If isn't the first, then there were 457 * multiple matches which we equate to no match (since we don't 458 * which to select (if any). 459 */ 460 if (last_media == TULIP_MEDIA_UNKNOWN) { 461 last_media = media; 462 } else if (last_media != media) { 463 last_media = TULIP_MEDIA_UNKNOWN; 464 } 465 } 466 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 467 } 468 #endif /* TULIP_DO_GPR_SENSE */ 469 470 static tulip_link_status_t 471 tulip_media_link_monitor( 472 tulip_softc_t * const sc) 473 { 474 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 475 tulip_link_status_t linkup = TULIP_LINK_DOWN; 476 477 if (mi == NULL) { 478 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 479 panic("tulip_media_link_monitor: %s: botch at line %d\n", 480 tulip_mediums[sc->tulip_media],__LINE__); 481 #endif 482 return TULIP_LINK_UNKNOWN; 483 } 484 485 486 /* 487 * Have we seen some packets? If so, the link must be good. 488 */ 489 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 490 sc->tulip_flags &= ~TULIP_RXACT; 491 sc->tulip_probe_timeout = 3000; 492 return TULIP_LINK_UP; 493 } 494 495 sc->tulip_flags &= ~TULIP_RXACT; 496 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 497 u_int32_t status; 498 /* 499 * Read the PHY status register. 500 */ 501 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 502 if (status & PHYSTS_AUTONEG_DONE) { 503 /* 504 * If the PHY has completed autonegotiation, see the if the 505 * remote systems abilities have changed. If so, upgrade or 506 * downgrade as appropriate. 507 */ 508 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 509 abilities = (abilities << 6) & status; 510 if (abilities != sc->tulip_abilities) { 511 #if defined(TULIP_DEBUG) 512 loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 513 sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr, 514 sc->tulip_abilities, abilities); 515 #endif 516 if (tulip_mii_map_abilities(sc, abilities)) { 517 tulip_linkup(sc, sc->tulip_probe_media); 518 return TULIP_LINK_UP; 519 } 520 /* 521 * if we had selected media because of autonegotiation, 522 * we need to probe for the new media. 523 */ 524 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 525 if (sc->tulip_flags & TULIP_DIDNWAY) 526 return TULIP_LINK_DOWN; 527 } 528 } 529 /* 530 * The link is now up. If was down, say its back up. 531 */ 532 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 533 linkup = TULIP_LINK_UP; 534 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 535 /* 536 * No activity sensor? Assume all's well. 537 */ 538 if (mi->mi_actmask == 0) 539 return TULIP_LINK_UNKNOWN; 540 /* 541 * Does the activity data match? 542 */ 543 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 544 linkup = TULIP_LINK_UP; 545 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 546 /* 547 * Assume non TP ok for now. 548 */ 549 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 550 return TULIP_LINK_UNKNOWN; 551 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 552 linkup = TULIP_LINK_UP; 553 #if defined(TULIP_DEBUG) 554 if (sc->tulip_probe_timeout <= 0) 555 printf("%s%d: sia status = 0x%08x\n", sc->tulip_name, 556 sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status)); 557 #endif 558 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 559 return TULIP_LINK_UNKNOWN; 560 } 561 /* 562 * We will wait for 3 seconds until the link goes into suspect mode. 563 */ 564 if (sc->tulip_flags & TULIP_LINKUP) { 565 if (linkup == TULIP_LINK_UP) 566 sc->tulip_probe_timeout = 3000; 567 if (sc->tulip_probe_timeout > 0) 568 return TULIP_LINK_UP; 569 570 sc->tulip_flags &= ~TULIP_LINKUP; 571 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 572 } 573 #if defined(TULIP_DEBUG) 574 sc->tulip_dbg.dbg_link_downed++; 575 #endif 576 return TULIP_LINK_DOWN; 577 } 578 579 static void 580 tulip_media_poll( 581 tulip_softc_t * const sc, 582 tulip_mediapoll_event_t event) 583 { 584 #if defined(TULIP_DEBUG) 585 sc->tulip_dbg.dbg_events[event]++; 586 #endif 587 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 588 && event == TULIP_MEDIAPOLL_TIMER) { 589 switch (tulip_media_link_monitor(sc)) { 590 case TULIP_LINK_DOWN: { 591 /* 592 * Link Monitor failed. Probe for new media. 593 */ 594 event = TULIP_MEDIAPOLL_LINKFAIL; 595 break; 596 } 597 case TULIP_LINK_UP: { 598 /* 599 * Check again soon. 600 */ 601 tulip_timeout(sc); 602 return; 603 } 604 case TULIP_LINK_UNKNOWN: { 605 /* 606 * We can't tell so don't bother. 607 */ 608 return; 609 } 610 } 611 } 612 613 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 614 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 615 if (TULIP_DO_AUTOSENSE(sc)) { 616 #if defined(TULIP_DEBUG) 617 sc->tulip_dbg.dbg_link_failures++; 618 #endif 619 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 620 if (sc->tulip_if.if_flags & IFF_UP) 621 tulip_reset(sc); /* restart probe */ 622 } 623 return; 624 } 625 #if defined(TULIP_DEBUG) 626 sc->tulip_dbg.dbg_link_pollintrs++; 627 #endif 628 } 629 630 if (event == TULIP_MEDIAPOLL_START) { 631 sc->tulip_if.if_flags |= IFF_OACTIVE; 632 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 633 return; 634 sc->tulip_probe_mediamask = 0; 635 sc->tulip_probe_passes = 0; 636 #if defined(TULIP_DEBUG) 637 sc->tulip_dbg.dbg_media_probes++; 638 #endif 639 /* 640 * If the SROM contained an explicit media to use, use it. 641 */ 642 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 643 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 644 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 645 /* 646 * connidx is defaulted to a media_unknown type. 647 */ 648 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 649 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 650 tulip_linkup(sc, sc->tulip_probe_media); 651 tulip_timeout(sc); 652 return; 653 } 654 655 if (sc->tulip_features & TULIP_HAVE_GPR) { 656 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 657 sc->tulip_probe_timeout = 2000; 658 } else { 659 sc->tulip_probe_media = TULIP_MEDIA_MAX; 660 sc->tulip_probe_timeout = 0; 661 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 662 } 663 } 664 665 /* 666 * Ignore txprobe failures or spurious callbacks. 667 */ 668 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 669 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 670 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 671 return; 672 } 673 674 /* 675 * If we really transmitted a packet, then that's the media we'll use. 676 */ 677 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 678 if (event == TULIP_MEDIAPOLL_LINKPASS) { 679 /* XXX Check media status just to be sure */ 680 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 681 #if defined(TULIP_DEBUG) 682 } else { 683 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 684 #endif 685 } 686 tulip_linkup(sc, sc->tulip_probe_media); 687 tulip_timeout(sc); 688 return; 689 } 690 691 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 692 #if defined(TULIP_DO_GPR_SENSE) 693 /* 694 * Check for media via the general purpose register. 695 * 696 * Try to sense the media via the GPR. If the same value 697 * occurs 3 times in a row then just use that. 698 */ 699 if (sc->tulip_probe_timeout > 0) { 700 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 701 #if defined(TULIP_DEBUG) 702 printf("%s%d: media_poll: gpr sensing = %s\n", 703 sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]); 704 #endif 705 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 706 if (new_probe_media == sc->tulip_probe_media) { 707 if (--sc->tulip_probe_count == 0) 708 tulip_linkup(sc, sc->tulip_probe_media); 709 } else { 710 sc->tulip_probe_count = 10; 711 } 712 } 713 sc->tulip_probe_media = new_probe_media; 714 tulip_timeout(sc); 715 return; 716 } 717 #endif /* TULIP_DO_GPR_SENSE */ 718 /* 719 * Brute force. We cycle through each of the media types 720 * and try to transmit a packet. 721 */ 722 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 723 sc->tulip_probe_media = TULIP_MEDIA_MAX; 724 sc->tulip_probe_timeout = 0; 725 tulip_timeout(sc); 726 return; 727 } 728 729 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 730 && (sc->tulip_features & TULIP_HAVE_MII)) { 731 tulip_media_t old_media = sc->tulip_probe_media; 732 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 733 switch (sc->tulip_probe_state) { 734 case TULIP_PROBE_FAILED: 735 case TULIP_PROBE_MEDIATEST: { 736 /* 737 * Try the next media. 738 */ 739 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 740 sc->tulip_probe_timeout = 0; 741 #ifdef notyet 742 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 743 break; 744 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 745 break; 746 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 747 #endif 748 break; 749 } 750 case TULIP_PROBE_PHYAUTONEG: { 751 return; 752 } 753 case TULIP_PROBE_INACTIVE: { 754 /* 755 * Only probe if we autonegotiated a media that hasn't failed. 756 */ 757 sc->tulip_probe_timeout = 0; 758 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 759 sc->tulip_probe_media = old_media; 760 break; 761 } 762 tulip_linkup(sc, sc->tulip_probe_media); 763 tulip_timeout(sc); 764 return; 765 } 766 default: { 767 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 768 panic("tulip_media_poll: botch at line %d\n", __LINE__); 769 #endif 770 break; 771 } 772 } 773 } 774 775 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 776 #if defined(TULIP_DEBUG) 777 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 778 #endif 779 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 780 return; 781 } 782 783 /* 784 * switch to another media if we tried this one enough. 785 */ 786 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 787 #if defined(TULIP_DEBUG) 788 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 789 printf("%s%d: poll media unknown!\n", 790 sc->tulip_name, sc->tulip_unit); 791 sc->tulip_probe_media = TULIP_MEDIA_MAX; 792 } 793 #endif 794 /* 795 * Find the next media type to check for. Full Duplex 796 * types are not allowed. 797 */ 798 do { 799 sc->tulip_probe_media -= 1; 800 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 801 if (++sc->tulip_probe_passes == 3) { 802 printf("%s%d: autosense failed: cable problem?\n", 803 sc->tulip_name, sc->tulip_unit); 804 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 805 sc->tulip_if.if_flags &= ~IFF_RUNNING; 806 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 807 return; 808 } 809 } 810 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 811 sc->tulip_probe_mediamask = 0; 812 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 813 } 814 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 815 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 816 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 817 818 #if defined(TULIP_DEBUG) 819 printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit, 820 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 821 tulip_mediums[sc->tulip_probe_media]); 822 #endif 823 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 824 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 825 sc->tulip_probe.probe_txprobes = 0; 826 tulip_reset(sc); 827 tulip_media_set(sc, sc->tulip_probe_media); 828 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 829 } 830 tulip_timeout(sc); 831 832 /* 833 * If this is hanging off a phy, we know are doing NWAY and we have 834 * forced the phy to a specific speed. Wait for link up before 835 * before sending a packet. 836 */ 837 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 838 case TULIP_MEDIAINFO_MII: { 839 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 840 return; 841 break; 842 } 843 case TULIP_MEDIAINFO_SIA: { 844 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 845 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 846 return; 847 tulip_linkup(sc, sc->tulip_probe_media); 848 #ifdef notyet 849 if (sc->tulip_features & TULIP_HAVE_MII) 850 tulip_timeout(sc); 851 #endif 852 return; 853 } 854 break; 855 } 856 case TULIP_MEDIAINFO_RESET: 857 case TULIP_MEDIAINFO_SYM: 858 case TULIP_MEDIAINFO_NONE: 859 case TULIP_MEDIAINFO_GPR: { 860 break; 861 } 862 } 863 /* 864 * Try to send a packet. 865 */ 866 tulip_txprobe(sc); 867 } 868 869 static void 870 tulip_media_select( 871 tulip_softc_t * const sc) 872 { 873 if (sc->tulip_features & TULIP_HAVE_GPR) { 874 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 875 DELAY(10); 876 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 877 } 878 /* 879 * If this board has no media, just return 880 */ 881 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 882 return; 883 884 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 885 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 886 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 887 } else { 888 tulip_media_set(sc, sc->tulip_media); 889 } 890 } 891 892 static void 893 tulip_21040_mediainfo_init( 894 tulip_softc_t * const sc, 895 tulip_media_t media) 896 { 897 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 898 |TULIP_CMD_BACKOFFCTR; 899 sc->tulip_if.if_baudrate = 10000000; 900 901 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 902 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 903 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 904 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 905 } 906 907 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 908 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 909 } 910 911 if (media == TULIP_MEDIA_UNKNOWN) { 912 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 913 } 914 } 915 916 static void 917 tulip_21040_media_probe( 918 tulip_softc_t * const sc) 919 { 920 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 921 return; 922 } 923 924 static void 925 tulip_21040_10baset_only_media_probe( 926 tulip_softc_t * const sc) 927 { 928 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 929 tulip_media_set(sc, TULIP_MEDIA_10BASET); 930 sc->tulip_media = TULIP_MEDIA_10BASET; 931 } 932 933 static void 934 tulip_21040_10baset_only_media_select( 935 tulip_softc_t * const sc) 936 { 937 sc->tulip_flags |= TULIP_LINKUP; 938 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 939 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 940 sc->tulip_flags &= ~TULIP_SQETEST; 941 } else { 942 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 943 sc->tulip_flags |= TULIP_SQETEST; 944 } 945 tulip_media_set(sc, sc->tulip_media); 946 } 947 948 static void 949 tulip_21040_auibnc_only_media_probe( 950 tulip_softc_t * const sc) 951 { 952 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 953 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 954 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 955 sc->tulip_media = TULIP_MEDIA_AUIBNC; 956 } 957 958 static void 959 tulip_21040_auibnc_only_media_select( 960 tulip_softc_t * const sc) 961 { 962 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 963 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 964 } 965 966 static const tulip_boardsw_t tulip_21040_boardsw = { 967 TULIP_21040_GENERIC, 968 tulip_21040_media_probe, 969 tulip_media_select, 970 tulip_media_poll, 971 }; 972 973 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 974 TULIP_21040_GENERIC, 975 tulip_21040_10baset_only_media_probe, 976 tulip_21040_10baset_only_media_select, 977 NULL, 978 }; 979 980 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 981 TULIP_21040_GENERIC, 982 tulip_21040_auibnc_only_media_probe, 983 tulip_21040_auibnc_only_media_select, 984 NULL, 985 }; 986 987 static void 988 tulip_21041_mediainfo_init( 989 tulip_softc_t * const sc) 990 { 991 tulip_media_info_t * const mi = sc->tulip_mediainfo; 992 993 #ifdef notyet 994 if (sc->tulip_revinfo >= 0x20) { 995 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 996 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 997 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 998 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 999 return; 1000 } 1001 #endif 1002 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1003 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1004 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1005 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1006 } 1007 1008 static void 1009 tulip_21041_media_probe( 1010 tulip_softc_t * const sc) 1011 { 1012 sc->tulip_if.if_baudrate = 10000000; 1013 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1014 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1015 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1016 tulip_21041_mediainfo_init(sc); 1017 } 1018 1019 static void 1020 tulip_21041_media_poll( 1021 tulip_softc_t * const sc, 1022 const tulip_mediapoll_event_t event) 1023 { 1024 u_int32_t sia_status; 1025 1026 #if defined(TULIP_DEBUG) 1027 sc->tulip_dbg.dbg_events[event]++; 1028 #endif 1029 1030 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1031 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1032 || !TULIP_DO_AUTOSENSE(sc)) 1033 return; 1034 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1035 tulip_reset(sc); /* start probe */ 1036 return; 1037 } 1038 1039 /* 1040 * If we've been been asked to start a poll or link change interrupt 1041 * restart the probe (and reset the tulip to a known state). 1042 */ 1043 if (event == TULIP_MEDIAPOLL_START) { 1044 sc->tulip_if.if_flags |= IFF_OACTIVE; 1045 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1046 #ifdef notyet 1047 if (sc->tulip_revinfo >= 0x20) { 1048 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1049 sc->tulip_flags |= TULIP_DIDNWAY; 1050 } 1051 #endif 1052 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1053 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1054 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1055 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1056 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1057 tulip_timeout(sc); 1058 return; 1059 } 1060 1061 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1062 return; 1063 1064 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1065 #if defined(TULIP_DEBUG) 1066 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1067 #endif 1068 tulip_linkup(sc, sc->tulip_probe_media); 1069 return; 1070 } 1071 1072 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1073 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1074 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1075 if (sc->tulip_revinfo >= 0x20) { 1076 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1077 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1078 } 1079 /* 1080 * If the link has passed LinkPass, 10baseT is the 1081 * proper media to use. 1082 */ 1083 tulip_linkup(sc, sc->tulip_probe_media); 1084 return; 1085 } 1086 1087 /* 1088 * wait for up to 2.4 seconds for the link to reach pass state. 1089 * Only then start scanning the other media for activity. 1090 * choose media with receive activity over those without. 1091 */ 1092 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1093 if (event != TULIP_MEDIAPOLL_TIMER) 1094 return; 1095 if (sc->tulip_probe_timeout > 0 1096 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1097 tulip_timeout(sc); 1098 return; 1099 } 1100 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1101 sc->tulip_flags |= TULIP_WANTRXACT; 1102 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1103 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1104 } else { 1105 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1106 } 1107 tulip_media_set(sc, sc->tulip_probe_media); 1108 tulip_timeout(sc); 1109 return; 1110 } 1111 1112 /* 1113 * If we failed, clear the txprobe active flag. 1114 */ 1115 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1116 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1117 1118 1119 if (event == TULIP_MEDIAPOLL_TIMER) { 1120 /* 1121 * If we've received something, then that's our link! 1122 */ 1123 if (sc->tulip_flags & TULIP_RXACT) { 1124 tulip_linkup(sc, sc->tulip_probe_media); 1125 return; 1126 } 1127 /* 1128 * if no txprobe active 1129 */ 1130 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1131 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1132 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1133 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1134 tulip_txprobe(sc); 1135 tulip_timeout(sc); 1136 return; 1137 } 1138 /* 1139 * Take 2 passes through before deciding to not 1140 * wait for receive activity. Then take another 1141 * two passes before spitting out a warning. 1142 */ 1143 if (sc->tulip_probe_timeout <= 0) { 1144 if (sc->tulip_flags & TULIP_WANTRXACT) { 1145 sc->tulip_flags &= ~TULIP_WANTRXACT; 1146 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1147 } else { 1148 printf("%s%d: autosense failed: cable problem?\n", 1149 sc->tulip_name, sc->tulip_unit); 1150 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1151 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1152 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1153 return; 1154 } 1155 } 1156 } 1157 } 1158 1159 /* 1160 * Since this media failed to probe, try the other one. 1161 */ 1162 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1163 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1164 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1165 } else { 1166 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1167 } 1168 tulip_media_set(sc, sc->tulip_probe_media); 1169 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1170 tulip_timeout(sc); 1171 } 1172 1173 static const tulip_boardsw_t tulip_21041_boardsw = { 1174 TULIP_21041_GENERIC, 1175 tulip_21041_media_probe, 1176 tulip_media_select, 1177 tulip_21041_media_poll 1178 }; 1179 1180 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1181 { 0x20005c00, 0, /* 08-00-17 */ 1182 { 1183 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1184 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1185 }, 1186 #if defined(TULIP_DEBUG) 1187 "NS DP83840", 1188 #endif 1189 }, 1190 { 0x0281F400, 0, /* 00-A0-7D */ 1191 { 1192 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1193 { }, /* 100TX */ 1194 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1195 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1196 }, 1197 #if defined(TULIP_DEBUG) 1198 "Seeq 80C240" 1199 #endif 1200 }, 1201 #if 0 1202 { 0x0015F420, 0, /* 00-A0-7D */ 1203 { 1204 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1205 { }, /* 100TX */ 1206 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1207 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1208 }, 1209 #if defined(TULIP_DEBUG) 1210 "Broadcom BCM5000" 1211 #endif 1212 }, 1213 #endif 1214 { 0x0281F400, 0, /* 00-A0-BE */ 1215 { 1216 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1217 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1218 { }, /* 100T4 */ 1219 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1220 }, 1221 #if defined(TULIP_DEBUG) 1222 "ICS 1890" 1223 #endif 1224 }, 1225 { 0 } 1226 }; 1227 1228 static tulip_media_t 1229 tulip_mii_phy_readspecific( 1230 tulip_softc_t * const sc) 1231 { 1232 const tulip_phy_attr_t *attr; 1233 u_int16_t data; 1234 u_int32_t id; 1235 unsigned idx = 0; 1236 static const tulip_media_t table[] = { 1237 TULIP_MEDIA_UNKNOWN, 1238 TULIP_MEDIA_10BASET, 1239 TULIP_MEDIA_100BASETX, 1240 TULIP_MEDIA_100BASET4, 1241 TULIP_MEDIA_UNKNOWN, 1242 TULIP_MEDIA_10BASET_FD, 1243 TULIP_MEDIA_100BASETX_FD, 1244 TULIP_MEDIA_UNKNOWN 1245 }; 1246 1247 /* 1248 * Don't read phy specific registers if link is not up. 1249 */ 1250 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1251 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1252 return TULIP_MEDIA_UNKNOWN; 1253 1254 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1255 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1256 for (attr = tulip_mii_phy_attrlist;; attr++) { 1257 if (attr->attr_id == 0) 1258 return TULIP_MEDIA_UNKNOWN; 1259 if ((id & ~0x0F) == attr->attr_id) 1260 break; 1261 } 1262 1263 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1264 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1265 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1266 if ((data & pm->pm_mask) == pm->pm_value) 1267 idx = 2; 1268 } 1269 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1270 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1271 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1272 if ((data & pm->pm_mask) == pm->pm_value) 1273 idx = 3; 1274 } 1275 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1276 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1277 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1278 if ((data & pm->pm_mask) == pm->pm_value) 1279 idx = 1; 1280 } 1281 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1282 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1283 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1284 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1285 } 1286 return table[idx]; 1287 } 1288 1289 static unsigned 1290 tulip_mii_get_phyaddr( 1291 tulip_softc_t * const sc, 1292 unsigned offset) 1293 { 1294 unsigned phyaddr; 1295 1296 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1297 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1298 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1299 continue; 1300 if (offset == 0) 1301 return phyaddr; 1302 offset--; 1303 } 1304 if (offset == 0) { 1305 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1306 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1307 return TULIP_MII_NOPHY; 1308 return 0; 1309 } 1310 return TULIP_MII_NOPHY; 1311 } 1312 1313 static int 1314 tulip_mii_map_abilities( 1315 tulip_softc_t * const sc, 1316 unsigned abilities) 1317 { 1318 sc->tulip_abilities = abilities; 1319 if (abilities & PHYSTS_100BASETX_FD) { 1320 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1321 } else if (abilities & PHYSTS_100BASET4) { 1322 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1323 } else if (abilities & PHYSTS_100BASETX) { 1324 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1325 } else if (abilities & PHYSTS_10BASET_FD) { 1326 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1327 } else if (abilities & PHYSTS_10BASET) { 1328 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1329 } else { 1330 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1331 return 0; 1332 } 1333 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1334 return 1; 1335 } 1336 1337 static void 1338 tulip_mii_autonegotiate( 1339 tulip_softc_t * const sc, 1340 const unsigned phyaddr) 1341 { 1342 switch (sc->tulip_probe_state) { 1343 case TULIP_PROBE_MEDIATEST: 1344 case TULIP_PROBE_INACTIVE: { 1345 sc->tulip_flags |= TULIP_DIDNWAY; 1346 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1347 sc->tulip_probe_timeout = 3000; 1348 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1349 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1350 /* FALL THROUGH */ 1351 } 1352 case TULIP_PROBE_PHYRESET: { 1353 u_int32_t status; 1354 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1355 if (data & PHYCTL_RESET) { 1356 if (sc->tulip_probe_timeout > 0) { 1357 tulip_timeout(sc); 1358 return; 1359 } 1360 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1361 sc->tulip_name, sc->tulip_unit, phyaddr); 1362 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1363 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1364 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1365 return; 1366 } 1367 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1368 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1369 #if defined(TULIP_DEBUG) 1370 loudprintf("%s%d(phy%d): autonegotiation disabled\n", 1371 sc->tulip_name, sc->tulip_unit, phyaddr); 1372 #endif 1373 sc->tulip_flags &= ~TULIP_DIDNWAY; 1374 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1375 return; 1376 } 1377 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1378 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1379 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1380 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1381 #if defined(TULIP_DEBUG) 1382 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1383 loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1384 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1385 else 1386 loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n", 1387 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1388 sc->tulip_dbg.dbg_nway_starts++; 1389 #endif 1390 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1391 sc->tulip_probe_timeout = 3000; 1392 /* FALL THROUGH */ 1393 } 1394 case TULIP_PROBE_PHYAUTONEG: { 1395 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1396 u_int32_t data; 1397 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1398 if (sc->tulip_probe_timeout > 0) { 1399 tulip_timeout(sc); 1400 return; 1401 } 1402 #if defined(TULIP_DEBUG) 1403 loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1404 sc->tulip_name, sc->tulip_unit, phyaddr, status, 1405 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1406 #endif 1407 sc->tulip_flags &= ~TULIP_DIDNWAY; 1408 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1409 return; 1410 } 1411 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1412 #if defined(TULIP_DEBUG) 1413 loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n", 1414 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1415 #endif 1416 data = (data << 6) & status; 1417 if (!tulip_mii_map_abilities(sc, data)) 1418 sc->tulip_flags &= ~TULIP_DIDNWAY; 1419 return; 1420 } 1421 default: { 1422 #if defined(DIAGNOSTIC) 1423 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1424 #endif 1425 break; 1426 } 1427 } 1428 #if defined(TULIP_DEBUG) 1429 loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n", 1430 sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state); 1431 sc->tulip_dbg.dbg_nway_failures++; 1432 #endif 1433 } 1434 1435 static void 1436 tulip_2114x_media_preset( 1437 tulip_softc_t * const sc) 1438 { 1439 const tulip_media_info_t *mi = NULL; 1440 tulip_media_t media = sc->tulip_media; 1441 1442 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1443 media = sc->tulip_media; 1444 else 1445 media = sc->tulip_probe_media; 1446 1447 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1448 sc->tulip_flags &= ~TULIP_SQETEST; 1449 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1450 #if defined(TULIP_DEBUG) 1451 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1452 #endif 1453 mi = sc->tulip_mediums[media]; 1454 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1455 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1456 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1457 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1458 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1459 sc->tulip_cmdmode |= mi->mi_cmdmode; 1460 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1461 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1462 } 1463 #if defined(TULIP_DEBUG) 1464 } else { 1465 printf("%s%d: preset: bad media %d!\n", 1466 sc->tulip_name, sc->tulip_unit, media); 1467 } 1468 #endif 1469 } 1470 switch (media) { 1471 case TULIP_MEDIA_BNC: 1472 case TULIP_MEDIA_AUI: 1473 case TULIP_MEDIA_10BASET: { 1474 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1475 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1476 sc->tulip_if.if_baudrate = 10000000; 1477 sc->tulip_flags |= TULIP_SQETEST; 1478 break; 1479 } 1480 case TULIP_MEDIA_10BASET_FD: { 1481 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1482 sc->tulip_if.if_baudrate = 10000000; 1483 break; 1484 } 1485 case TULIP_MEDIA_100BASEFX: 1486 case TULIP_MEDIA_100BASET4: 1487 case TULIP_MEDIA_100BASETX: { 1488 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1489 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1490 sc->tulip_if.if_baudrate = 100000000; 1491 break; 1492 } 1493 case TULIP_MEDIA_100BASEFX_FD: 1494 case TULIP_MEDIA_100BASETX_FD: { 1495 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1496 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1497 sc->tulip_if.if_baudrate = 100000000; 1498 break; 1499 } 1500 default: { 1501 break; 1502 } 1503 } 1504 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1505 } 1506 1507 /* 1508 ******************************************************************** 1509 * Start of 21140/21140A support which does not use the MII interface 1510 */ 1511 1512 static void 1513 tulip_null_media_poll( 1514 tulip_softc_t * const sc, 1515 tulip_mediapoll_event_t event) 1516 { 1517 #if defined(TULIP_DEBUG) 1518 sc->tulip_dbg.dbg_events[event]++; 1519 #endif 1520 #if defined(DIAGNOSTIC) 1521 printf("%s%d: botch(media_poll) at line %d\n", 1522 sc->tulip_name, sc->tulip_unit, __LINE__); 1523 #endif 1524 } 1525 1526 __inline__ static void 1527 tulip_21140_mediainit( 1528 tulip_softc_t * const sc, 1529 tulip_media_info_t * const mip, 1530 tulip_media_t const media, 1531 unsigned gpdata, 1532 unsigned cmdmode) 1533 { 1534 sc->tulip_mediums[media] = mip; 1535 mip->mi_type = TULIP_MEDIAINFO_GPR; 1536 mip->mi_cmdmode = cmdmode; 1537 mip->mi_gpdata = gpdata; 1538 } 1539 1540 static void 1541 tulip_21140_evalboard_media_probe( 1542 tulip_softc_t * const sc) 1543 { 1544 tulip_media_info_t *mip = sc->tulip_mediainfo; 1545 1546 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1547 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1548 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1549 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1550 TULIP_CSR_WRITE(sc, csr_command, 1551 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1552 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1553 TULIP_CSR_WRITE(sc, csr_command, 1554 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1555 DELAY(1000000); 1556 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1557 sc->tulip_media = TULIP_MEDIA_10BASET; 1558 } else { 1559 sc->tulip_media = TULIP_MEDIA_100BASETX; 1560 } 1561 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1562 TULIP_GP_EB_INIT, 1563 TULIP_CMD_TXTHRSHLDCTL); 1564 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1565 TULIP_GP_EB_INIT, 1566 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1567 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1568 TULIP_GP_EB_INIT, 1569 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1570 |TULIP_CMD_SCRAMBLER); 1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1572 TULIP_GP_EB_INIT, 1573 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1574 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1575 } 1576 1577 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1578 TULIP_21140_DEC_EB, 1579 tulip_21140_evalboard_media_probe, 1580 tulip_media_select, 1581 tulip_null_media_poll, 1582 tulip_2114x_media_preset, 1583 }; 1584 1585 static void 1586 tulip_21140_accton_media_probe( 1587 tulip_softc_t * const sc) 1588 { 1589 tulip_media_info_t *mip = sc->tulip_mediainfo; 1590 unsigned gpdata; 1591 1592 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1593 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1594 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1595 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1596 TULIP_CSR_WRITE(sc, csr_command, 1597 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1598 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1599 TULIP_CSR_WRITE(sc, csr_command, 1600 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1601 DELAY(1000000); 1602 gpdata = TULIP_CSR_READ(sc, csr_gp); 1603 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1604 sc->tulip_media = TULIP_MEDIA_10BASET; 1605 } else { 1606 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1607 sc->tulip_media = TULIP_MEDIA_BNC; 1608 } else { 1609 sc->tulip_media = TULIP_MEDIA_100BASETX; 1610 } 1611 } 1612 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1613 TULIP_GP_EN1207_BNC_INIT, 1614 TULIP_CMD_TXTHRSHLDCTL); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1616 TULIP_GP_EN1207_UTP_INIT, 1617 TULIP_CMD_TXTHRSHLDCTL); 1618 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1619 TULIP_GP_EN1207_UTP_INIT, 1620 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1621 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1622 TULIP_GP_EN1207_100_INIT, 1623 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1624 |TULIP_CMD_SCRAMBLER); 1625 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1626 TULIP_GP_EN1207_100_INIT, 1627 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1628 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1629 } 1630 1631 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1632 TULIP_21140_EN1207, 1633 tulip_21140_accton_media_probe, 1634 tulip_media_select, 1635 tulip_null_media_poll, 1636 tulip_2114x_media_preset, 1637 }; 1638 1639 static void 1640 tulip_21140_smc9332_media_probe( 1641 tulip_softc_t * const sc) 1642 { 1643 tulip_media_info_t *mip = sc->tulip_mediainfo; 1644 int idx, cnt = 0; 1645 1646 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1647 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1648 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1649 33MHz that comes to two microseconds but wait a 1650 bit longer anyways) */ 1651 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1652 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1653 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1654 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1655 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1656 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1657 DELAY(200000); 1658 for (idx = 1000; idx > 0; idx--) { 1659 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1660 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1661 if (++cnt > 100) 1662 break; 1663 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1664 break; 1665 } else { 1666 cnt = 0; 1667 } 1668 DELAY(1000); 1669 } 1670 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1671 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1672 TULIP_GP_SMC_9332_INIT, 1673 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1674 |TULIP_CMD_SCRAMBLER); 1675 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1676 TULIP_GP_SMC_9332_INIT, 1677 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1678 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1679 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1680 TULIP_GP_SMC_9332_INIT, 1681 TULIP_CMD_TXTHRSHLDCTL); 1682 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1683 TULIP_GP_SMC_9332_INIT, 1684 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1685 } 1686 1687 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1688 TULIP_21140_SMC_9332, 1689 tulip_21140_smc9332_media_probe, 1690 tulip_media_select, 1691 tulip_null_media_poll, 1692 tulip_2114x_media_preset, 1693 }; 1694 1695 static void 1696 tulip_21140_cogent_em100_media_probe( 1697 tulip_softc_t * const sc) 1698 { 1699 tulip_media_info_t *mip = sc->tulip_mediainfo; 1700 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1701 1702 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1703 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1704 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1705 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1706 1707 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1708 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1709 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1710 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1711 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1712 1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1714 TULIP_GP_EM100_INIT, 1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1716 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1717 TULIP_GP_EM100_INIT, 1718 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1719 |TULIP_CMD_FULLDUPLEX); 1720 } else { 1721 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1722 sc->tulip_media = TULIP_MEDIA_100BASETX; 1723 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1724 TULIP_GP_EM100_INIT, 1725 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1726 |TULIP_CMD_SCRAMBLER); 1727 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1728 TULIP_GP_EM100_INIT, 1729 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1730 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1731 } 1732 } 1733 1734 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1735 TULIP_21140_COGENT_EM100, 1736 tulip_21140_cogent_em100_media_probe, 1737 tulip_media_select, 1738 tulip_null_media_poll, 1739 tulip_2114x_media_preset 1740 }; 1741 1742 static void 1743 tulip_21140_znyx_zx34x_media_probe( 1744 tulip_softc_t * const sc) 1745 { 1746 tulip_media_info_t *mip = sc->tulip_mediainfo; 1747 int cnt10 = 0, cnt100 = 0, idx; 1748 1749 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1750 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1751 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1752 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1753 TULIP_CSR_WRITE(sc, csr_command, 1754 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1755 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1756 TULIP_CSR_WRITE(sc, csr_command, 1757 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1758 1759 DELAY(200000); 1760 for (idx = 1000; idx > 0; idx--) { 1761 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1762 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)) { 1763 if (++cnt100 > 100) 1764 break; 1765 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1766 if (++cnt10 > 100) 1767 break; 1768 } else { 1769 cnt10 = 0; 1770 cnt100 = 0; 1771 } 1772 DELAY(1000); 1773 } 1774 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1775 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1776 TULIP_GP_ZX34X_INIT, 1777 TULIP_CMD_TXTHRSHLDCTL); 1778 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1779 TULIP_GP_ZX34X_INIT, 1780 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1781 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1782 TULIP_GP_ZX34X_INIT, 1783 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1784 |TULIP_CMD_SCRAMBLER); 1785 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1786 TULIP_GP_ZX34X_INIT, 1787 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1788 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1789 } 1790 1791 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1792 TULIP_21140_ZNYX_ZX34X, 1793 tulip_21140_znyx_zx34x_media_probe, 1794 tulip_media_select, 1795 tulip_null_media_poll, 1796 tulip_2114x_media_preset, 1797 }; 1798 1799 static void 1800 tulip_2114x_media_probe( 1801 tulip_softc_t * const sc) 1802 { 1803 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1804 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1805 } 1806 1807 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1808 TULIP_21140_ISV, 1809 tulip_2114x_media_probe, 1810 tulip_media_select, 1811 tulip_media_poll, 1812 tulip_2114x_media_preset, 1813 }; 1814 1815 /* 1816 * ******** END of chip-specific handlers. *********** 1817 */ 1818 1819 /* 1820 * Code the read the SROM and MII bit streams (I2C) 1821 */ 1822 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1823 1824 static void 1825 tulip_srom_idle( 1826 tulip_softc_t * const sc) 1827 { 1828 unsigned bit, csr; 1829 1830 csr = SROMSEL ; EMIT; 1831 csr = SROMSEL | SROMRD; EMIT; 1832 csr ^= SROMCS; EMIT; 1833 csr ^= SROMCLKON; EMIT; 1834 1835 /* 1836 * Write 25 cycles of 0 which will force the SROM to be idle. 1837 */ 1838 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1839 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1840 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1841 } 1842 csr ^= SROMCLKOFF; EMIT; 1843 csr ^= SROMCS; EMIT; 1844 csr = 0; EMIT; 1845 } 1846 1847 1848 static void 1849 tulip_srom_read( 1850 tulip_softc_t * const sc) 1851 { 1852 unsigned idx; 1853 const unsigned bitwidth = SROM_BITWIDTH; 1854 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1855 const unsigned msb = 1 << (bitwidth + 3 - 1); 1856 unsigned lastidx = (1 << bitwidth) - 1; 1857 1858 tulip_srom_idle(sc); 1859 1860 for (idx = 0; idx <= lastidx; idx++) { 1861 unsigned lastbit, data, bits, bit, csr; 1862 csr = SROMSEL ; EMIT; 1863 csr = SROMSEL | SROMRD; EMIT; 1864 csr ^= SROMCSON; EMIT; 1865 csr ^= SROMCLKON; EMIT; 1866 1867 lastbit = 0; 1868 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1869 const unsigned thisbit = bits & msb; 1870 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1871 if (thisbit != lastbit) { 1872 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1873 } else { 1874 EMIT; 1875 } 1876 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1877 lastbit = thisbit; 1878 } 1879 csr ^= SROMCLKOFF; EMIT; 1880 1881 for (data = 0, bits = 0; bits < 16; bits++) { 1882 data <<= 1; 1883 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1884 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1885 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1886 } 1887 sc->tulip_rombuf[idx*2] = data & 0xFF; 1888 sc->tulip_rombuf[idx*2+1] = data >> 8; 1889 csr = SROMSEL | SROMRD; EMIT; 1890 csr = 0; EMIT; 1891 } 1892 tulip_srom_idle(sc); 1893 } 1894 1895 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1896 1897 static void 1898 tulip_mii_writebits( 1899 tulip_softc_t * const sc, 1900 unsigned data, 1901 unsigned bits) 1902 { 1903 unsigned msb = 1 << (bits - 1); 1904 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1905 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1906 1907 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1908 1909 for (; bits > 0; bits--, data <<= 1) { 1910 const unsigned thisbit = data & msb; 1911 if (thisbit != lastbit) { 1912 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1913 } 1914 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1915 lastbit = thisbit; 1916 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1917 } 1918 } 1919 1920 static void 1921 tulip_mii_turnaround( 1922 tulip_softc_t * const sc, 1923 unsigned cmd) 1924 { 1925 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1926 1927 if (cmd == MII_WRCMD) { 1928 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1929 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1930 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1931 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1932 } else { 1933 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1934 } 1935 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1936 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1937 } 1938 1939 static unsigned 1940 tulip_mii_readbits( 1941 tulip_softc_t * const sc) 1942 { 1943 unsigned data; 1944 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1945 int idx; 1946 1947 for (idx = 0, data = 0; idx < 16; idx++) { 1948 data <<= 1; /* this is NOOP on the first pass through */ 1949 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1950 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1951 data |= 1; 1952 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1953 } 1954 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1955 1956 return data; 1957 } 1958 1959 static unsigned 1960 tulip_mii_readreg( 1961 tulip_softc_t * const sc, 1962 unsigned devaddr, 1963 unsigned regno) 1964 { 1965 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1966 unsigned data; 1967 1968 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1969 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1970 tulip_mii_writebits(sc, MII_RDCMD, 8); 1971 tulip_mii_writebits(sc, devaddr, 5); 1972 tulip_mii_writebits(sc, regno, 5); 1973 tulip_mii_turnaround(sc, MII_RDCMD); 1974 1975 data = tulip_mii_readbits(sc); 1976 #if defined(TULIP_DEBUG) 1977 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1978 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1979 #endif 1980 return data; 1981 } 1982 1983 static void 1984 tulip_mii_writereg( 1985 tulip_softc_t * const sc, 1986 unsigned devaddr, 1987 unsigned regno, 1988 unsigned data) 1989 { 1990 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1991 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1992 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1993 tulip_mii_writebits(sc, MII_WRCMD, 8); 1994 tulip_mii_writebits(sc, devaddr, 5); 1995 tulip_mii_writebits(sc, regno, 5); 1996 tulip_mii_turnaround(sc, MII_WRCMD); 1997 tulip_mii_writebits(sc, data, 16); 1998 #if defined(TULIP_DEBUG) 1999 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2000 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2001 #endif 2002 } 2003 2004 #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2005 #define tulip_srom_crcok(databuf) ( \ 2006 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2007 ((databuf)[126] | ((databuf)[127] << 8))) 2008 2009 static unsigned 2010 tulip_crc32( 2011 const unsigned char *databuf, 2012 size_t datalen) 2013 { 2014 u_int idx, crc = 0xFFFFFFFFUL; 2015 static const u_int crctab[] = { 2016 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2017 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2018 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2019 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2020 }; 2021 2022 for (idx = 0; idx < datalen; idx++) { 2023 crc ^= *databuf++; 2024 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2025 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2026 } 2027 return crc; 2028 } 2029 2030 static void 2031 tulip_identify_dec_nic( 2032 tulip_softc_t * const sc) 2033 { 2034 strcpy(sc->tulip_boardid, "DEC "); 2035 #define D0 4 2036 if (sc->tulip_chipid <= TULIP_21040) 2037 return; 2038 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2039 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2040 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2041 sc->tulip_boardid[D0+8] = ' '; 2042 } 2043 #undef D0 2044 } 2045 2046 static void 2047 tulip_identify_znyx_nic( 2048 tulip_softc_t * const sc) 2049 { 2050 unsigned id = 0; 2051 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2052 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2053 unsigned znyx_ptr; 2054 sc->tulip_boardid[8] = '4'; 2055 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2056 if (znyx_ptr < 26 || znyx_ptr > 116) { 2057 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2058 return; 2059 } 2060 /* ZX344 = 0010 .. 0013FF 2061 */ 2062 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2063 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2064 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2065 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2066 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2067 sc->tulip_boardid[9] = '2'; 2068 if (id == TULIP_ZNYX_ID_ZX342B) { 2069 sc->tulip_boardid[10] = 'B'; 2070 sc->tulip_boardid[11] = ' '; 2071 } 2072 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2073 } else if (id == TULIP_ZNYX_ID_ZX344) { 2074 sc->tulip_boardid[10] = '4'; 2075 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2076 } else if (id == TULIP_ZNYX_ID_ZX345) { 2077 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2078 } else if (id == TULIP_ZNYX_ID_ZX346) { 2079 sc->tulip_boardid[9] = '6'; 2080 } else if (id == TULIP_ZNYX_ID_ZX351) { 2081 sc->tulip_boardid[8] = '5'; 2082 sc->tulip_boardid[9] = '1'; 2083 } 2084 } 2085 if (id == 0) { 2086 /* 2087 * Assume it's a ZX342... 2088 */ 2089 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2090 } 2091 return; 2092 } 2093 sc->tulip_boardid[8] = '1'; 2094 if (sc->tulip_chipid == TULIP_21041) { 2095 sc->tulip_boardid[10] = '1'; 2096 return; 2097 } 2098 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2099 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2100 if (id == TULIP_ZNYX_ID_ZX312T) { 2101 sc->tulip_boardid[9] = '2'; 2102 sc->tulip_boardid[10] = 'T'; 2103 sc->tulip_boardid[11] = ' '; 2104 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2105 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2106 sc->tulip_boardid[9] = '4'; 2107 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2108 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2109 } else if (id == TULIP_ZNYX_ID_ZX314) { 2110 sc->tulip_boardid[9] = '4'; 2111 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2112 sc->tulip_features |= TULIP_HAVE_BASEROM; 2113 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2114 sc->tulip_boardid[9] = '5'; 2115 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2116 } else if (id == TULIP_ZNYX_ID_ZX315) { 2117 sc->tulip_boardid[9] = '5'; 2118 sc->tulip_features |= TULIP_HAVE_BASEROM; 2119 } else { 2120 id = 0; 2121 } 2122 } 2123 if (id == 0) { 2124 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2125 sc->tulip_boardid[9] = '4'; 2126 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2127 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2128 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2129 sc->tulip_boardid[9] = '5'; 2130 sc->tulip_boardsw = &tulip_21040_boardsw; 2131 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2132 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2133 sc->tulip_boardid[9] = '2'; 2134 sc->tulip_boardsw = &tulip_21040_boardsw; 2135 } 2136 } 2137 } 2138 2139 static void 2140 tulip_identify_smc_nic( 2141 tulip_softc_t * const sc) 2142 { 2143 u_int32_t id1, id2, ei; 2144 int auibnc = 0, utp = 0; 2145 char *cp; 2146 2147 strcpy(sc->tulip_boardid, "SMC "); 2148 if (sc->tulip_chipid == TULIP_21041) 2149 return; 2150 if (sc->tulip_chipid != TULIP_21040) { 2151 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2152 strcpy(&sc->tulip_boardid[4], "9332DST "); 2153 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2154 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2155 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2156 } else { 2157 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2158 } 2159 return; 2160 } 2161 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2162 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2163 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2164 2165 strcpy(&sc->tulip_boardid[4], "8432"); 2166 cp = &sc->tulip_boardid[8]; 2167 if ((id1 & 1) == 0) 2168 *cp++ = 'B', auibnc = 1; 2169 if ((id1 & 0xFF) > 0x32) 2170 *cp++ = 'T', utp = 1; 2171 if ((id1 & 0x4000) == 0) 2172 *cp++ = 'A', auibnc = 1; 2173 if (id2 == 0x15) { 2174 sc->tulip_boardid[7] = '4'; 2175 *cp++ = '-'; 2176 *cp++ = 'C'; 2177 *cp++ = 'H'; 2178 *cp++ = (ei ? '2' : '1'); 2179 } 2180 *cp++ = ' '; 2181 *cp = '\0'; 2182 if (utp && !auibnc) 2183 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2184 else if (!utp && auibnc) 2185 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2186 } 2187 2188 static void 2189 tulip_identify_cogent_nic( 2190 tulip_softc_t * const sc) 2191 { 2192 strcpy(sc->tulip_boardid, "Cogent "); 2193 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2194 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2195 strcat(sc->tulip_boardid, "EM100TX "); 2196 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2197 #if defined(TULIP_COGENT_EM110TX_ID) 2198 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2199 strcat(sc->tulip_boardid, "EM110TX "); 2200 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2201 #endif 2202 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2203 strcat(sc->tulip_boardid, "EM100FX "); 2204 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2205 } 2206 /* 2207 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2208 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2209 */ 2210 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2211 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2212 /* 2213 * Cogent (Adaptec) is still mapping all INTs to INTA of 2214 * first 21140. Dumb! Dumb! 2215 */ 2216 strcat(sc->tulip_boardid, "EM440TX "); 2217 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2218 } 2219 } else if (sc->tulip_chipid == TULIP_21040) { 2220 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2221 } 2222 } 2223 2224 static void 2225 tulip_identify_accton_nic( 2226 tulip_softc_t * const sc) 2227 { 2228 strcpy(sc->tulip_boardid, "ACCTON "); 2229 switch (sc->tulip_chipid) { 2230 case TULIP_21140A: 2231 strcat(sc->tulip_boardid, "EN1207 "); 2232 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2233 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2234 break; 2235 case TULIP_21140: 2236 strcat(sc->tulip_boardid, "EN1207TX "); 2237 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2238 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2239 break; 2240 case TULIP_21040: 2241 strcat(sc->tulip_boardid, "EN1203 "); 2242 sc->tulip_boardsw = &tulip_21040_boardsw; 2243 break; 2244 case TULIP_21041: 2245 strcat(sc->tulip_boardid, "EN1203 "); 2246 sc->tulip_boardsw = &tulip_21041_boardsw; 2247 break; 2248 default: 2249 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2250 break; 2251 } 2252 } 2253 2254 static void 2255 tulip_identify_asante_nic( 2256 tulip_softc_t * const sc) 2257 { 2258 strcpy(sc->tulip_boardid, "Asante "); 2259 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2260 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2261 tulip_media_info_t *mi = sc->tulip_mediainfo; 2262 int idx; 2263 /* 2264 * The Asante Fast Ethernet doesn't always ship with a valid 2265 * new format SROM. So if isn't in the new format, we cheat 2266 * set it up as if we had. 2267 */ 2268 2269 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2270 sc->tulip_gpdata = 0; 2271 2272 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2273 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2274 DELAY(100); 2275 TULIP_CSR_WRITE(sc, csr_gp, 0); 2276 2277 mi->mi_type = TULIP_MEDIAINFO_MII; 2278 mi->mi_gpr_length = 0; 2279 mi->mi_gpr_offset = 0; 2280 mi->mi_reset_length = 0; 2281 mi->mi_reset_offset = 0;; 2282 2283 mi->mi_phyaddr = TULIP_MII_NOPHY; 2284 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2285 DELAY(10000); 2286 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2287 } 2288 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2289 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2290 return; 2291 } 2292 2293 sc->tulip_features |= TULIP_HAVE_MII; 2294 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2295 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2296 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2297 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2301 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2302 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2303 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2304 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2305 2306 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2307 } 2308 } 2309 2310 static void 2311 tulip_identify_compex_nic( 2312 tulip_softc_t * const sc) 2313 { 2314 strcpy(sc->tulip_boardid, "COMPEX "); 2315 if (sc->tulip_chipid == TULIP_21140A) { 2316 int root_unit; 2317 tulip_softc_t *root_sc = NULL; 2318 2319 strcat(sc->tulip_boardid, "400TX/PCI "); 2320 /* 2321 * All 4 chips on these boards share an interrupt. This code 2322 * copied from tulip_read_macaddr. 2323 */ 2324 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2325 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2326 root_sc = tulips[root_unit]; 2327 if (root_sc == NULL 2328 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2329 break; 2330 root_sc = NULL; 2331 } 2332 if (root_sc != NULL 2333 && root_sc->tulip_chipid == sc->tulip_chipid 2334 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2335 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2336 sc->tulip_slaves = root_sc->tulip_slaves; 2337 root_sc->tulip_slaves = sc; 2338 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2339 printf("\nCannot find master device for de%d interrupts", 2340 sc->tulip_unit); 2341 } 2342 } else { 2343 strcat(sc->tulip_boardid, "unknown "); 2344 } 2345 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2346 return; 2347 } 2348 2349 static int 2350 tulip_srom_decode( 2351 tulip_softc_t * const sc) 2352 { 2353 unsigned idx1, idx2, idx3; 2354 2355 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2356 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2357 tulip_srom_media_t srom_media; 2358 tulip_media_info_t *mi = sc->tulip_mediainfo; 2359 const u_int8_t *dp; 2360 u_int32_t leaf_offset, blocks, data; 2361 2362 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2363 if (shp->sh_adapter_count == 1) 2364 break; 2365 if (saip->sai_device == sc->tulip_pci_devno) 2366 break; 2367 } 2368 /* 2369 * Didn't find the right media block for this card. 2370 */ 2371 if (idx1 == shp->sh_adapter_count) 2372 return 0; 2373 2374 /* 2375 * Save the hardware address. 2376 */ 2377 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2378 /* 2379 * If this is a multiple port card, add the adapter index to the last 2380 * byte of the hardware address. (if it isn't multiport, adding 0 2381 * won't hurt. 2382 */ 2383 sc->tulip_enaddr[5] += idx1; 2384 2385 leaf_offset = saip->sai_leaf_offset_lowbyte 2386 + saip->sai_leaf_offset_highbyte * 256; 2387 dp = sc->tulip_rombuf + leaf_offset; 2388 2389 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2390 2391 for (idx2 = 0;; idx2++) { 2392 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2393 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2394 break; 2395 } 2396 sc->tulip_connidx = idx2; 2397 2398 if (sc->tulip_chipid == TULIP_21041) { 2399 blocks = *dp++; 2400 for (idx2 = 0; idx2 < blocks; idx2++) { 2401 tulip_media_t media; 2402 data = *dp++; 2403 srom_media = (tulip_srom_media_t) (data & 0x3F); 2404 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2405 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2406 break; 2407 } 2408 media = tulip_srom_mediums[idx3].sm_type; 2409 if (media != TULIP_MEDIA_UNKNOWN) { 2410 if (data & TULIP_SROM_21041_EXTENDED) { 2411 mi->mi_type = TULIP_MEDIAINFO_SIA; 2412 sc->tulip_mediums[media] = mi; 2413 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2414 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2415 mi->mi_sia_general = dp[4] + dp[5] * 256; 2416 mi++; 2417 } else { 2418 switch (media) { 2419 case TULIP_MEDIA_BNC: { 2420 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2421 mi++; 2422 break; 2423 } 2424 case TULIP_MEDIA_AUI: { 2425 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2426 mi++; 2427 break; 2428 } 2429 case TULIP_MEDIA_10BASET: { 2430 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2431 mi++; 2432 break; 2433 } 2434 case TULIP_MEDIA_10BASET_FD: { 2435 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2436 mi++; 2437 break; 2438 } 2439 default: { 2440 break; 2441 } 2442 } 2443 } 2444 } 2445 if (data & TULIP_SROM_21041_EXTENDED) 2446 dp += 6; 2447 } 2448 #ifdef notdef 2449 if (blocks == 0) { 2450 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2451 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2453 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2454 } 2455 #endif 2456 } else { 2457 unsigned length, type; 2458 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2459 if (sc->tulip_features & TULIP_HAVE_GPR) 2460 sc->tulip_gpinit = *dp++; 2461 blocks = *dp++; 2462 for (idx2 = 0; idx2 < blocks; idx2++) { 2463 const u_int8_t *ep; 2464 if ((*dp & 0x80) == 0) { 2465 length = 4; 2466 type = 0; 2467 } else { 2468 length = (*dp++ & 0x7f) - 1; 2469 type = *dp++ & 0x3f; 2470 } 2471 ep = dp + length; 2472 switch (type & 0x3f) { 2473 case 0: { /* 21140[A] GPR block */ 2474 tulip_media_t media; 2475 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2476 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2477 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2478 break; 2479 } 2480 media = tulip_srom_mediums[idx3].sm_type; 2481 if (media == TULIP_MEDIA_UNKNOWN) 2482 break; 2483 mi->mi_type = TULIP_MEDIAINFO_GPR; 2484 sc->tulip_mediums[media] = mi; 2485 mi->mi_gpdata = dp[1]; 2486 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2487 sc->tulip_gpdata = mi->mi_gpdata; 2488 gp_media = media; 2489 } 2490 data = dp[2] + dp[3] * 256; 2491 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2492 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2493 mi->mi_actmask = 0; 2494 } else { 2495 #if 0 2496 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2497 #endif 2498 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2499 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2500 } 2501 mi++; 2502 break; 2503 } 2504 case 1: { /* 21140[A] MII block */ 2505 const unsigned phyno = *dp++; 2506 mi->mi_type = TULIP_MEDIAINFO_MII; 2507 mi->mi_gpr_length = *dp++; 2508 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2509 dp += mi->mi_gpr_length; 2510 mi->mi_reset_length = *dp++; 2511 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2512 dp += mi->mi_reset_length; 2513 2514 /* 2515 * Before we probe for a PHY, use the GPR information 2516 * to select it. If we don't, it may be inaccessible. 2517 */ 2518 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2519 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2520 DELAY(10); 2521 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2522 } 2523 sc->tulip_phyaddr = mi->mi_phyaddr; 2524 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2525 DELAY(10); 2526 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2527 } 2528 2529 /* 2530 * At least write something! 2531 */ 2532 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2533 TULIP_CSR_WRITE(sc, csr_gp, 0); 2534 2535 mi->mi_phyaddr = TULIP_MII_NOPHY; 2536 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2537 DELAY(10000); 2538 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2539 } 2540 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2541 #if defined(TULIP_DEBUG) 2542 printf("%s%d: can't find phy %d\n", 2543 sc->tulip_name, sc->tulip_unit, phyno); 2544 #endif 2545 break; 2546 } 2547 sc->tulip_features |= TULIP_HAVE_MII; 2548 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2549 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2550 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2551 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2552 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2553 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2554 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2555 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2556 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2557 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2558 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2559 mi++; 2560 break; 2561 } 2562 case 2: { /* 2114[23] SIA block */ 2563 tulip_media_t media; 2564 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2565 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2566 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2567 break; 2568 } 2569 media = tulip_srom_mediums[idx3].sm_type; 2570 if (media == TULIP_MEDIA_UNKNOWN) 2571 break; 2572 mi->mi_type = TULIP_MEDIAINFO_SIA; 2573 sc->tulip_mediums[media] = mi; 2574 if (dp[0] & 0x40) { 2575 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2576 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2577 mi->mi_sia_general = dp[5] + dp[6] * 256; 2578 dp += 6; 2579 } else { 2580 switch (media) { 2581 case TULIP_MEDIA_BNC: { 2582 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2583 break; 2584 } 2585 case TULIP_MEDIA_AUI: { 2586 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2587 break; 2588 } 2589 case TULIP_MEDIA_10BASET: { 2590 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2591 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2592 break; 2593 } 2594 case TULIP_MEDIA_10BASET_FD: { 2595 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2596 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2597 break; 2598 } 2599 default: { 2600 goto bad_media; 2601 } 2602 } 2603 } 2604 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2605 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2606 mi++; 2607 bad_media: 2608 break; 2609 } 2610 case 3: { /* 2114[23] MII PHY block */ 2611 const unsigned phyno = *dp++; 2612 const u_int8_t *dp0; 2613 mi->mi_type = TULIP_MEDIAINFO_MII; 2614 mi->mi_gpr_length = *dp++; 2615 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2616 dp += 2 * mi->mi_gpr_length; 2617 mi->mi_reset_length = *dp++; 2618 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2619 dp += 2 * mi->mi_reset_length; 2620 2621 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2622 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2623 DELAY(10); 2624 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2625 } 2626 sc->tulip_phyaddr = mi->mi_phyaddr; 2627 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2628 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2629 DELAY(10); 2630 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2631 } 2632 2633 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2634 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2635 2636 mi->mi_phyaddr = TULIP_MII_NOPHY; 2637 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2638 DELAY(10000); 2639 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2640 } 2641 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2642 #if defined(TULIP_DEBUG) 2643 printf("%s%d: can't find phy %d\n", 2644 sc->tulip_name, sc->tulip_unit, phyno); 2645 #endif 2646 break; 2647 } 2648 sc->tulip_features |= TULIP_HAVE_MII; 2649 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2650 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2651 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2652 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2653 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2654 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2655 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2656 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2657 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2658 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2659 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2660 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2661 mi++; 2662 break; 2663 } 2664 case 4: { /* 21143 SYM block */ 2665 tulip_media_t media; 2666 srom_media = (tulip_srom_media_t) dp[0]; 2667 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2668 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2669 break; 2670 } 2671 media = tulip_srom_mediums[idx3].sm_type; 2672 if (media == TULIP_MEDIA_UNKNOWN) 2673 break; 2674 mi->mi_type = TULIP_MEDIAINFO_SYM; 2675 sc->tulip_mediums[media] = mi; 2676 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2677 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2678 data = dp[5] + dp[6] * 256; 2679 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2680 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2681 mi->mi_actmask = 0; 2682 } else { 2683 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2684 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2685 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2686 } 2687 if (TULIP_IS_MEDIA_TP(media)) 2688 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2689 mi++; 2690 break; 2691 } 2692 #if 0 2693 case 5: { /* 21143 Reset block */ 2694 mi->mi_type = TULIP_MEDIAINFO_RESET; 2695 mi->mi_reset_length = *dp++; 2696 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2697 dp += 2 * mi->mi_reset_length; 2698 mi++; 2699 break; 2700 } 2701 #endif 2702 default: { 2703 } 2704 } 2705 dp = ep; 2706 } 2707 } 2708 return mi - sc->tulip_mediainfo; 2709 } 2710 2711 static const struct { 2712 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2713 unsigned char vendor_oui[3]; 2714 } tulip_vendors[] = { 2715 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2716 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2717 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2718 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2719 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2720 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2721 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2722 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2723 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2724 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2725 { NULL } 2726 }; 2727 2728 /* 2729 * This deals with the vagaries of the address roms and the 2730 * brain-deadness that various vendors commit in using them. 2731 */ 2732 static int 2733 tulip_read_macaddr( 2734 tulip_softc_t * const sc) 2735 { 2736 unsigned cksum, rom_cksum, idx; 2737 u_int32_t csr; 2738 unsigned char tmpbuf[8]; 2739 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2740 2741 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2742 2743 if (sc->tulip_chipid == TULIP_21040) { 2744 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2745 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2746 int cnt = 0; 2747 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2748 cnt++; 2749 sc->tulip_rombuf[idx] = csr & 0xFF; 2750 } 2751 sc->tulip_boardsw = &tulip_21040_boardsw; 2752 } else { 2753 if (sc->tulip_chipid == TULIP_21041) { 2754 /* 2755 * Thankfully all 21041's act the same. 2756 */ 2757 sc->tulip_boardsw = &tulip_21041_boardsw; 2758 } else { 2759 /* 2760 * Assume all 21140 board are compatible with the 2761 * DEC 10/100 evaluation board. Not really valid but 2762 * it's the best we can do until every one switches to 2763 * the new SROM format. 2764 */ 2765 2766 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2767 } 2768 tulip_srom_read(sc); 2769 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2770 /* 2771 * SROM CRC is valid therefore it must be in the 2772 * new format. 2773 */ 2774 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2775 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2776 /* 2777 * No checksum is present. See if the SROM id checks out; 2778 * the first 18 bytes should be 0 followed by a 1 followed 2779 * by the number of adapters (which we don't deal with yet). 2780 */ 2781 for (idx = 0; idx < 18; idx++) { 2782 if (sc->tulip_rombuf[idx] != 0) 2783 break; 2784 } 2785 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2786 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2787 } else if (sc->tulip_chipid >= TULIP_21142) { 2788 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2789 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2790 } 2791 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2792 if (sc->tulip_chipid != TULIP_21041) 2793 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2794 2795 /* 2796 * If the SROM specifies more than one adapter, tag this as a 2797 * BASE rom. 2798 */ 2799 if (sc->tulip_rombuf[19] > 1) 2800 sc->tulip_features |= TULIP_HAVE_BASEROM; 2801 if (sc->tulip_boardsw == NULL) 2802 return -6; 2803 goto check_oui; 2804 } 2805 } 2806 2807 2808 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2809 /* 2810 * Some folks don't use the standard ethernet rom format 2811 * but instead just put the address in the first 6 bytes 2812 * of the rom and let the rest be all 0xffs. (Can we say 2813 * ZNYX?) (well sometimes they put in a checksum so we'll 2814 * start at 8). 2815 */ 2816 for (idx = 8; idx < 32; idx++) { 2817 if (sc->tulip_rombuf[idx] != 0xFF) 2818 return -4; 2819 } 2820 /* 2821 * Make sure the address is not multicast or locally assigned 2822 * that the OUI is not 00-00-00. 2823 */ 2824 if ((sc->tulip_rombuf[0] & 3) != 0) 2825 return -4; 2826 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2827 && sc->tulip_rombuf[2] == 0) 2828 return -4; 2829 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2830 sc->tulip_features |= TULIP_HAVE_OKROM; 2831 goto check_oui; 2832 } else { 2833 /* 2834 * A number of makers of multiport boards (ZNYX and Cogent) 2835 * only put on one address ROM on their 21040 boards. So 2836 * if the ROM is all zeros (or all 0xFFs), look at the 2837 * previous configured boards (as long as they are on the same 2838 * PCI bus and the bus number is non-zero) until we find the 2839 * master board with address ROM. We then use its address ROM 2840 * as the base for this board. (we add our relative board 2841 * to the last byte of its address). 2842 */ 2843 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2844 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2845 break; 2846 } 2847 if (idx == sizeof(sc->tulip_rombuf)) { 2848 int root_unit; 2849 tulip_softc_t *root_sc = NULL; 2850 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2851 root_sc = tulips[root_unit]; 2852 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2853 break; 2854 root_sc = NULL; 2855 } 2856 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2857 && root_sc->tulip_chipid == sc->tulip_chipid 2858 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2859 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2860 sc->tulip_boardsw = root_sc->tulip_boardsw; 2861 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2862 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2863 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2864 sizeof(sc->tulip_rombuf)); 2865 if (!tulip_srom_decode(sc)) 2866 return -5; 2867 } else { 2868 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2869 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2870 } 2871 /* 2872 * Now for a truly disgusting kludge: all 4 21040s on 2873 * the ZX314 share the same INTA line so the mapping 2874 * setup by the BIOS on the PCI bridge is worthless. 2875 * Rather than reprogramming the value in the config 2876 * register, we will handle this internally. 2877 */ 2878 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2879 sc->tulip_slaves = root_sc->tulip_slaves; 2880 root_sc->tulip_slaves = sc; 2881 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2882 } 2883 return 0; 2884 } 2885 } 2886 } 2887 2888 /* 2889 * This is the standard DEC address ROM test. 2890 */ 2891 2892 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2893 return -3; 2894 2895 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2896 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2897 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2898 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2899 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2900 return -2; 2901 2902 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2903 2904 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2905 cksum *= 2; 2906 if (cksum > 65535) cksum -= 65535; 2907 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2908 if (cksum > 65535) cksum -= 65535; 2909 cksum *= 2; 2910 if (cksum > 65535) cksum -= 65535; 2911 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2912 if (cksum >= 65535) cksum -= 65535; 2913 2914 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2915 2916 if (cksum != rom_cksum) 2917 return -1; 2918 2919 check_oui: 2920 /* 2921 * Check for various boards based on OUI. Did I say braindead? 2922 */ 2923 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2924 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2925 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2926 break; 2927 } 2928 } 2929 2930 sc->tulip_features |= TULIP_HAVE_OKROM; 2931 return 0; 2932 } 2933 2934 static void 2935 tulip_ifmedia_add( 2936 tulip_softc_t * const sc) 2937 { 2938 tulip_media_t media; 2939 int medias = 0; 2940 2941 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2942 if (sc->tulip_mediums[media] != NULL) { 2943 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2944 0, 0); 2945 medias++; 2946 } 2947 } 2948 if (medias == 0) { 2949 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2950 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2951 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2952 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2953 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2954 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2955 } else { 2956 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2957 sc->tulip_flags |= TULIP_PRINTMEDIA; 2958 tulip_linkup(sc, sc->tulip_media); 2959 } 2960 } 2961 2962 static int 2963 tulip_ifmedia_change( 2964 struct ifnet * const ifp) 2965 { 2966 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2967 2968 sc->tulip_flags |= TULIP_NEEDRESET; 2969 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2970 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2971 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2972 tulip_media_t media; 2973 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2974 if (sc->tulip_mediums[media] != NULL 2975 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2976 sc->tulip_flags |= TULIP_PRINTMEDIA; 2977 sc->tulip_flags &= ~TULIP_DIDNWAY; 2978 tulip_linkup(sc, media); 2979 return 0; 2980 } 2981 } 2982 } 2983 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2984 tulip_reset(sc); 2985 tulip_init(sc); 2986 return 0; 2987 } 2988 2989 /* 2990 * Media status callback 2991 */ 2992 static void 2993 tulip_ifmedia_status( 2994 struct ifnet * const ifp, 2995 struct ifmediareq *req) 2996 { 2997 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2998 2999 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3000 return; 3001 3002 req->ifm_status = IFM_AVALID; 3003 if (sc->tulip_flags & TULIP_LINKUP) 3004 req->ifm_status |= IFM_ACTIVE; 3005 3006 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3007 } 3008 3009 static void 3010 tulip_addr_filter( 3011 tulip_softc_t * const sc) 3012 { 3013 struct ifmultiaddr *ifma; 3014 u_char *addrp; 3015 int multicnt; 3016 3017 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3018 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3019 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3020 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3021 #if defined(IFF_ALLMULTI) 3022 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3023 sc->tulip_flags |= TULIP_ALLMULTI ; 3024 #endif 3025 3026 multicnt = 0; 3027 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3028 ifma = ifma->ifma_link.le_next) { 3029 3030 if (ifma->ifma_addr->sa_family == AF_LINK) 3031 multicnt++; 3032 } 3033 3034 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3035 if (multicnt > 14) { 3036 u_int32_t *sp = sc->tulip_setupdata; 3037 unsigned hash; 3038 /* 3039 * Some early passes of the 21140 have broken implementations of 3040 * hash-perfect mode. When we get too many multicasts for perfect 3041 * filtering with these chips, we need to switch into hash-only 3042 * mode (this is better than all-multicast on network with lots 3043 * of multicast traffic). 3044 */ 3045 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3046 sc->tulip_flags |= TULIP_WANTHASHONLY; 3047 else 3048 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3049 /* 3050 * If we have more than 14 multicasts, we have 3051 * go into hash perfect mode (512 bit multicast 3052 * hash and one perfect hardware). 3053 */ 3054 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3055 3056 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3057 ifma = ifma->ifma_link.le_next) { 3058 3059 if (ifma->ifma_addr->sa_family != AF_LINK) 3060 continue; 3061 3062 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 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 } 3069 /* 3070 * No reason to use a hash if we are going to be 3071 * receiving every multicast. 3072 */ 3073 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3074 hash = tulip_mchash(etherbroadcastaddr); 3075 #if BYTE_ORDER == BIG_ENDIAN 3076 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3077 #else 3078 sp[hash >> 4] |= 1 << (hash & 0xF); 3079 #endif 3080 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3081 hash = tulip_mchash(sc->tulip_enaddr); 3082 #if BYTE_ORDER == BIG_ENDIAN 3083 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3084 #else 3085 sp[hash >> 4] |= 1 << (hash & 0xF); 3086 #endif 3087 } else { 3088 #if BYTE_ORDER == BIG_ENDIAN 3089 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3090 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3091 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3092 #else 3093 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3094 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3095 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3096 #endif 3097 } 3098 } 3099 } 3100 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3101 u_int32_t *sp = sc->tulip_setupdata; 3102 int idx = 0; 3103 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3104 /* 3105 * Else can get perfect filtering for 16 addresses. 3106 */ 3107 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3108 ifma = ifma->ifma_link.le_next) { 3109 if (ifma->ifma_addr->sa_family != AF_LINK) 3110 continue; 3111 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3112 #if BYTE_ORDER == BIG_ENDIAN 3113 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3114 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3115 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3116 #else 3117 *sp++ = ((u_int16_t *) addrp)[0]; 3118 *sp++ = ((u_int16_t *) addrp)[1]; 3119 *sp++ = ((u_int16_t *) addrp)[2]; 3120 #endif 3121 idx++; 3122 } 3123 /* 3124 * Add the broadcast address. 3125 */ 3126 idx++; 3127 #if BYTE_ORDER == BIG_ENDIAN 3128 *sp++ = 0xFFFF << 16; 3129 *sp++ = 0xFFFF << 16; 3130 *sp++ = 0xFFFF << 16; 3131 #else 3132 *sp++ = 0xFFFF; 3133 *sp++ = 0xFFFF; 3134 *sp++ = 0xFFFF; 3135 #endif 3136 } 3137 /* 3138 * Pad the rest with our hardware address 3139 */ 3140 for (; idx < 16; idx++) { 3141 #if BYTE_ORDER == BIG_ENDIAN 3142 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3143 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3144 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3145 #else 3146 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3147 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3148 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3149 #endif 3150 } 3151 } 3152 #if defined(IFF_ALLMULTI) 3153 if (sc->tulip_flags & TULIP_ALLMULTI) 3154 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3155 #endif 3156 } 3157 3158 static void 3159 tulip_reset( 3160 tulip_softc_t * const sc) 3161 { 3162 tulip_ringinfo_t *ri; 3163 tulip_desc_t *di; 3164 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3165 3166 /* 3167 * Brilliant. Simply brilliant. When switching modes/speeds 3168 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3169 * bits in CSR6 and then do a software reset to get the 21140 3170 * to properly reset its internal pathways to the right places. 3171 * Grrrr. 3172 */ 3173 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3174 && sc->tulip_boardsw->bd_media_preset != NULL) 3175 (*sc->tulip_boardsw->bd_media_preset)(sc); 3176 3177 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3178 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3179 33MHz that comes to two microseconds but wait a 3180 bit longer anyways) */ 3181 3182 if (!inreset) { 3183 sc->tulip_flags |= TULIP_INRESET; 3184 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3185 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3186 sc->tulip_if.if_start = tulip_ifstart; 3187 } 3188 3189 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3190 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3191 #else 3192 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3193 #endif 3194 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3195 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3196 #else 3197 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3198 #endif 3199 TULIP_CSR_WRITE(sc, csr_busmode, 3200 (1 << (3 /*pci_max_burst_len*/ + 8)) 3201 |TULIP_BUSMODE_CACHE_ALIGN8 3202 |TULIP_BUSMODE_READMULTIPLE 3203 |(BYTE_ORDER != LITTLE_ENDIAN ? 3204 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3205 3206 sc->tulip_txtimer = 0; 3207 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3208 /* 3209 * Free all the mbufs that were on the transmit ring. 3210 */ 3211 for (;;) { 3212 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3213 bus_dmamap_t map; 3214 #endif 3215 struct mbuf *m; 3216 IF_DEQUEUE(&sc->tulip_txq, m); 3217 if (m == NULL) 3218 break; 3219 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3220 map = M_GETCTX(m, bus_dmamap_t); 3221 bus_dmamap_unload(sc->tulip_dmatag, map); 3222 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3223 #endif 3224 m_freem(m); 3225 } 3226 3227 ri = &sc->tulip_txinfo; 3228 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3229 ri->ri_free = ri->ri_max; 3230 for (di = ri->ri_first; di < ri->ri_last; di++) 3231 di->d_status = 0; 3232 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3233 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3234 0, sc->tulip_txdescmap->dm_mapsize, 3235 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3236 #endif 3237 3238 /* 3239 * We need to collect all the mbufs were on the 3240 * receive ring before we reinit it either to put 3241 * them back on or to know if we have to allocate 3242 * more. 3243 */ 3244 ri = &sc->tulip_rxinfo; 3245 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3246 ri->ri_free = ri->ri_max; 3247 for (di = ri->ri_first; di < ri->ri_last; di++) { 3248 di->d_status = 0; 3249 di->d_length1 = 0; di->d_addr1 = 0; 3250 di->d_length2 = 0; di->d_addr2 = 0; 3251 } 3252 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3253 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3254 0, sc->tulip_rxdescmap->dm_mapsize, 3255 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3256 #endif 3257 for (;;) { 3258 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3259 bus_dmamap_t map; 3260 #endif 3261 struct mbuf *m; 3262 IF_DEQUEUE(&sc->tulip_rxq, m); 3263 if (m == NULL) 3264 break; 3265 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3266 map = M_GETCTX(m, bus_dmamap_t); 3267 bus_dmamap_unload(sc->tulip_dmatag, map); 3268 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3269 #endif 3270 m_freem(m); 3271 } 3272 3273 /* 3274 * If tulip_reset is being called recurisvely, exit quickly knowing 3275 * that when the outer tulip_reset returns all the right stuff will 3276 * have happened. 3277 */ 3278 if (inreset) 3279 return; 3280 3281 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3282 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3283 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3284 |TULIP_STS_RXSTOPPED; 3285 3286 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3287 (*sc->tulip_boardsw->bd_media_select)(sc); 3288 #if defined(TULIP_DEBUG) 3289 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3290 printf("%s%d: tulip_reset: additional reset needed?!?\n", 3291 sc->tulip_name, sc->tulip_unit); 3292 #endif 3293 tulip_media_print(sc); 3294 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3295 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3296 3297 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3298 |TULIP_RXACT); 3299 tulip_addr_filter(sc); 3300 } 3301 3302 static void 3303 tulip_init( 3304 tulip_softc_t * const sc) 3305 { 3306 if (sc->tulip_if.if_flags & IFF_UP) { 3307 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3308 /* initialize the media */ 3309 tulip_reset(sc); 3310 } 3311 sc->tulip_if.if_flags |= IFF_RUNNING; 3312 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3313 sc->tulip_flags |= TULIP_PROMISC; 3314 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3315 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3316 } else { 3317 sc->tulip_flags &= ~TULIP_PROMISC; 3318 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3319 if (sc->tulip_flags & TULIP_ALLMULTI) { 3320 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3321 } else { 3322 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3323 } 3324 } 3325 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3326 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3327 tulip_rx_intr(sc); 3328 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3329 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3330 } else { 3331 sc->tulip_if.if_flags |= IFF_OACTIVE; 3332 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3333 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3334 } 3335 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3336 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3337 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3338 tulip_txput_setup(sc); 3339 } else { 3340 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3341 tulip_reset(sc); 3342 } 3343 } 3344 3345 static void 3346 tulip_rx_intr( 3347 tulip_softc_t * const sc) 3348 { 3349 TULIP_PERFSTART(rxintr) 3350 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3351 struct ifnet * const ifp = &sc->tulip_if; 3352 int fillok = 1; 3353 #if defined(TULIP_DEBUG) 3354 int cnt = 0; 3355 #endif 3356 3357 for (;;) { 3358 TULIP_PERFSTART(rxget) 3359 struct ether_header eh; 3360 tulip_desc_t *eop = ri->ri_nextin; 3361 int total_len = 0, last_offset = 0; 3362 struct mbuf *ms = NULL, *me = NULL; 3363 int accept = 0; 3364 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3365 bus_dmamap_t map; 3366 int error; 3367 #endif 3368 3369 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3370 goto queue_mbuf; 3371 3372 #if defined(TULIP_DEBUG) 3373 if (cnt == ri->ri_max) 3374 break; 3375 #endif 3376 /* 3377 * If the TULIP has no descriptors, there can't be any receive 3378 * descriptors to process. 3379 */ 3380 if (eop == ri->ri_nextout) 3381 break; 3382 3383 /* 3384 * 90% of the packets will fit in one descriptor. So we optimize 3385 * for that case. 3386 */ 3387 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3388 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3389 IF_DEQUEUE(&sc->tulip_rxq, ms); 3390 me = ms; 3391 } else { 3392 /* 3393 * If still owned by the TULIP, don't touch it. 3394 */ 3395 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3396 break; 3397 3398 /* 3399 * It is possible (though improbable unless the BIG_PACKET support 3400 * is enabled or MCLBYTES < 1518) for a received packet to cross 3401 * more than one receive descriptor. 3402 */ 3403 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3404 if (++eop == ri->ri_last) 3405 eop = ri->ri_first; 3406 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3407 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3408 #if defined(TULIP_DEBUG) 3409 sc->tulip_dbg.dbg_rxintrs++; 3410 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3411 #endif 3412 TULIP_PERFEND(rxget); 3413 TULIP_PERFEND(rxintr); 3414 return; 3415 } 3416 total_len++; 3417 } 3418 3419 /* 3420 * Dequeue the first buffer for the start of the packet. Hopefully 3421 * this will be the only one we need to dequeue. However, if the 3422 * packet consumed multiple descriptors, then we need to dequeue 3423 * those buffers and chain to the starting mbuf. All buffers but 3424 * the last buffer have the same length so we can set that now. 3425 * (we add to last_offset instead of multiplying since we normally 3426 * won't go into the loop and thereby saving a ourselves from 3427 * doing a multiplication by 0 in the normal case). 3428 */ 3429 IF_DEQUEUE(&sc->tulip_rxq, ms); 3430 for (me = ms; total_len > 0; total_len--) { 3431 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3432 map = M_GETCTX(me, bus_dmamap_t); 3433 TULIP_RXMAP_POSTSYNC(sc, map); 3434 bus_dmamap_unload(sc->tulip_dmatag, map); 3435 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3436 #if defined(DIAGNOSTIC) 3437 M_SETCTX(me, NULL); 3438 #endif 3439 #endif /* TULIP_BUS_DMA */ 3440 me->m_len = TULIP_RX_BUFLEN; 3441 last_offset += TULIP_RX_BUFLEN; 3442 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3443 me = me->m_next; 3444 } 3445 } 3446 3447 /* 3448 * Now get the size of received packet (minus the CRC). 3449 */ 3450 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3451 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3452 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3453 #ifdef BIG_PACKET 3454 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3455 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3456 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3457 TULIP_DSTS_RxOVERFLOW)) == 0) 3458 #endif 3459 )) { 3460 me->m_len = total_len - last_offset; 3461 3462 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3463 map = M_GETCTX(me, bus_dmamap_t); 3464 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3465 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3466 bus_dmamap_unload(sc->tulip_dmatag, map); 3467 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3468 #if defined(DIAGNOSTIC) 3469 M_SETCTX(me, NULL); 3470 #endif 3471 #endif /* TULIP_BUS_DMA */ 3472 3473 eh = *mtod(ms, struct ether_header *); 3474 #ifndef __FreeBSD__ 3475 if (sc->tulip_if.if_bpf != NULL) { 3476 if (me == ms) 3477 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3478 else 3479 bpf_mtap(&sc->tulip_if, ms); 3480 } 3481 #endif 3482 sc->tulip_flags |= TULIP_RXACT; 3483 accept = 1; 3484 } else { 3485 ifp->if_ierrors++; 3486 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3487 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3488 } else { 3489 #if defined(TULIP_VERBOSE) 3490 const char *error = NULL; 3491 #endif 3492 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3493 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3494 #if defined(TULIP_VERBOSE) 3495 error = "frame too long"; 3496 #endif 3497 } 3498 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3499 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3500 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3501 #if defined(TULIP_VERBOSE) 3502 error = "alignment error"; 3503 #endif 3504 } else { 3505 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3506 #if defined(TULIP_VERBOSE) 3507 error = "bad crc"; 3508 #endif 3509 } 3510 } 3511 #if defined(TULIP_VERBOSE) 3512 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3513 printf("%s%d: receive: %6D: %s\n", 3514 sc->tulip_name, sc->tulip_unit, 3515 mtod(ms, u_char *) + 6, ":", 3516 error); 3517 sc->tulip_flags |= TULIP_NOMESSAGES; 3518 } 3519 #endif 3520 } 3521 3522 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3523 map = M_GETCTX(me, bus_dmamap_t); 3524 bus_dmamap_unload(sc->tulip_dmatag, map); 3525 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3526 #if defined(DIAGNOSTIC) 3527 M_SETCTX(me, NULL); 3528 #endif 3529 #endif /* TULIP_BUS_DMA */ 3530 } 3531 #if defined(TULIP_DEBUG) 3532 cnt++; 3533 #endif 3534 ifp->if_ipackets++; 3535 if (++eop == ri->ri_last) 3536 eop = ri->ri_first; 3537 ri->ri_nextin = eop; 3538 queue_mbuf: 3539 /* 3540 * Either we are priming the TULIP with mbufs (m == NULL) 3541 * or we are about to accept an mbuf for the upper layers 3542 * so we need to allocate an mbuf to replace it. If we 3543 * can't replace it, send up it anyways. This may cause 3544 * us to drop packets in the future but that's better than 3545 * being caught in livelock. 3546 * 3547 * Note that if this packet crossed multiple descriptors 3548 * we don't even try to reallocate all the mbufs here. 3549 * Instead we rely on the test of the beginning of 3550 * the loop to refill for the extra consumed mbufs. 3551 */ 3552 if (accept || ms == NULL) { 3553 struct mbuf *m0; 3554 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3555 if (m0 != NULL) { 3556 #if defined(TULIP_COPY_RXDATA) 3557 if (!accept || total_len >= (MHLEN - 2)) { 3558 #endif 3559 MCLGET(m0, M_DONTWAIT); 3560 if ((m0->m_flags & M_EXT) == 0) { 3561 m_freem(m0); 3562 m0 = NULL; 3563 } 3564 #if defined(TULIP_COPY_RXDATA) 3565 } 3566 #endif 3567 } 3568 if (accept 3569 #if defined(TULIP_COPY_RXDATA) 3570 && m0 != NULL 3571 #endif 3572 ) { 3573 #if !defined(TULIP_COPY_RXDATA) 3574 ms->m_pkthdr.len = total_len; 3575 ms->m_pkthdr.rcvif = ifp; 3576 m_adj(ms, sizeof(struct ether_header)); 3577 ether_input(ifp, &eh, ms); 3578 #else 3579 #ifdef BIG_PACKET 3580 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3581 #endif 3582 m0->m_data += 2; /* align data after header */ 3583 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3584 m0->m_len = m0->m_pkthdr.len = total_len; 3585 m0->m_pkthdr.rcvif = ifp; 3586 m_adj(m0, sizeof(struct ether_header)); 3587 ether_input(ifp, &eh, m0); 3588 m0 = ms; 3589 #endif /* ! TULIP_COPY_RXDATA */ 3590 } 3591 ms = m0; 3592 } 3593 if (ms == NULL) { 3594 /* 3595 * Couldn't allocate a new buffer. Don't bother 3596 * trying to replenish the receive queue. 3597 */ 3598 fillok = 0; 3599 sc->tulip_flags |= TULIP_RXBUFSLOW; 3600 #if defined(TULIP_DEBUG) 3601 sc->tulip_dbg.dbg_rxlowbufs++; 3602 #endif 3603 TULIP_PERFEND(rxget); 3604 continue; 3605 } 3606 /* 3607 * Now give the buffer(s) to the TULIP and save in our 3608 * receive queue. 3609 */ 3610 do { 3611 tulip_desc_t * const nextout = ri->ri_nextout; 3612 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3613 if (sc->tulip_rxmaps_free > 0) { 3614 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3615 } else { 3616 m_freem(ms); 3617 sc->tulip_flags |= TULIP_RXBUFSLOW; 3618 #if defined(TULIP_DEBUG) 3619 sc->tulip_dbg.dbg_rxlowbufs++; 3620 #endif 3621 break; 3622 } 3623 M_SETCTX(ms, map); 3624 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3625 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3626 if (error) { 3627 printf("%s%d: unable to load rx map, " 3628 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 3629 panic("tulip_rx_intr"); /* XXX */ 3630 } 3631 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3632 nextout->d_length1 = map->dm_segs[0].ds_len; 3633 if (map->dm_nsegs == 2) { 3634 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3635 nextout->d_length2 = map->dm_segs[1].ds_len; 3636 } else { 3637 nextout->d_addr2 = 0; 3638 nextout->d_length2 = 0; 3639 } 3640 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3641 #else /* TULIP_BUS_DMA */ 3642 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3643 nextout->d_length1 = TULIP_RX_BUFLEN; 3644 #endif /* TULIP_BUS_DMA */ 3645 nextout->d_status = TULIP_DSTS_OWNER; 3646 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3647 if (++ri->ri_nextout == ri->ri_last) 3648 ri->ri_nextout = ri->ri_first; 3649 me = ms->m_next; 3650 ms->m_next = NULL; 3651 IF_ENQUEUE(&sc->tulip_rxq, ms); 3652 } while ((ms = me) != NULL); 3653 3654 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3655 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3656 TULIP_PERFEND(rxget); 3657 } 3658 3659 #if defined(TULIP_DEBUG) 3660 sc->tulip_dbg.dbg_rxintrs++; 3661 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3662 #endif 3663 TULIP_PERFEND(rxintr); 3664 } 3665 3666 static int 3667 tulip_tx_intr( 3668 tulip_softc_t * const sc) 3669 { 3670 TULIP_PERFSTART(txintr) 3671 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3672 struct mbuf *m; 3673 int xmits = 0; 3674 int descs = 0; 3675 3676 while (ri->ri_free < ri->ri_max) { 3677 u_int32_t d_flag; 3678 3679 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3680 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3681 break; 3682 3683 ri->ri_free++; 3684 descs++; 3685 d_flag = ri->ri_nextin->d_flag; 3686 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3687 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3688 /* 3689 * We've just finished processing a setup packet. 3690 * Mark that we finished it. If there's not 3691 * another pending, startup the TULIP receiver. 3692 * Make sure we ack the RXSTOPPED so we won't get 3693 * an abormal interrupt indication. 3694 */ 3695 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3696 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3697 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3698 sc->tulip_flags |= TULIP_HASHONLY; 3699 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3700 tulip_rx_intr(sc); 3701 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3702 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3703 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3704 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3705 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3706 } 3707 } else { 3708 const u_int32_t d_status = ri->ri_nextin->d_status; 3709 IF_DEQUEUE(&sc->tulip_txq, m); 3710 if (m != NULL) { 3711 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3712 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3713 TULIP_TXMAP_POSTSYNC(sc, map); 3714 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3715 #endif /* TULIP_BUS_DMA */ 3716 m_freem(m); 3717 #if defined(TULIP_DEBUG) 3718 } else { 3719 printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n", 3720 sc->tulip_name, sc->tulip_unit); 3721 #endif 3722 } 3723 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3724 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3725 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3726 #if defined(TULIP_DEBUG) 3727 if (d_status & TULIP_DSTS_TxNOCARR) 3728 sc->tulip_dbg.dbg_txprobe_nocarr++; 3729 if (d_status & TULIP_DSTS_TxEXCCOLL) 3730 sc->tulip_dbg.dbg_txprobe_exccoll++; 3731 #endif 3732 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3733 } 3734 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3735 /* 3736 * Escape from the loop before media poll has reset the TULIP! 3737 */ 3738 break; 3739 } else { 3740 xmits++; 3741 if (d_status & TULIP_DSTS_ERRSUM) { 3742 sc->tulip_if.if_oerrors++; 3743 if (d_status & TULIP_DSTS_TxEXCCOLL) 3744 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3745 if (d_status & TULIP_DSTS_TxLATECOLL) 3746 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3747 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3748 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3749 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3750 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3751 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3752 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3753 if (d_status & TULIP_DSTS_TxBABBLE) 3754 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3755 } else { 3756 u_int32_t collisions = 3757 (d_status & TULIP_DSTS_TxCOLLMASK) 3758 >> TULIP_DSTS_V_TxCOLLCNT; 3759 sc->tulip_if.if_collisions += collisions; 3760 if (collisions == 1) 3761 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3762 else if (collisions > 1) 3763 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3764 else if (d_status & TULIP_DSTS_TxDEFERRED) 3765 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3766 /* 3767 * SQE is only valid for 10baseT/BNC/AUI when not 3768 * running in full-duplex. In order to speed up the 3769 * test, the corresponding bit in tulip_flags needs to 3770 * set as well to get us to count SQE Test Errors. 3771 */ 3772 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3773 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3774 } 3775 } 3776 } 3777 } 3778 3779 if (++ri->ri_nextin == ri->ri_last) 3780 ri->ri_nextin = ri->ri_first; 3781 3782 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3783 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3784 } 3785 /* 3786 * If nothing left to transmit, disable the timer. 3787 * Else if progress, reset the timer back to 2 ticks. 3788 */ 3789 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3790 sc->tulip_txtimer = 0; 3791 else if (xmits > 0) 3792 sc->tulip_txtimer = TULIP_TXTIMER; 3793 sc->tulip_if.if_opackets += xmits; 3794 TULIP_PERFEND(txintr); 3795 return descs; 3796 } 3797 3798 static void 3799 tulip_print_abnormal_interrupt( 3800 tulip_softc_t * const sc, 3801 u_int32_t csr) 3802 { 3803 const char * const *msgp = tulip_status_bits; 3804 const char *sep; 3805 u_int32_t mask; 3806 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3807 3808 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3809 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3810 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3811 if ((csr & mask) && *msgp != NULL) { 3812 printf("%s%s", sep, *msgp); 3813 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3814 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3815 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3816 printf(" (switching to store-and-forward mode)"); 3817 } else { 3818 printf(" (raising TX threshold to %s)", 3819 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3820 } 3821 } 3822 sep = ", "; 3823 } 3824 } 3825 printf("\n"); 3826 } 3827 3828 static void 3829 tulip_intr_handler( 3830 tulip_softc_t * const sc, 3831 int *progress_p) 3832 { 3833 TULIP_PERFSTART(intr) 3834 u_int32_t csr; 3835 3836 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3837 *progress_p = 1; 3838 TULIP_CSR_WRITE(sc, csr_status, csr); 3839 3840 if (csr & TULIP_STS_SYSERROR) { 3841 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3842 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3843 sc->tulip_flags |= TULIP_SYSTEMERROR; 3844 } else { 3845 printf("%s%d: system error: %s\n", 3846 sc->tulip_name, sc->tulip_unit, 3847 tulip_system_errors[sc->tulip_last_system_error]); 3848 } 3849 sc->tulip_flags |= TULIP_NEEDRESET; 3850 sc->tulip_system_errors++; 3851 break; 3852 } 3853 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3854 #if defined(TULIP_DEBUG) 3855 sc->tulip_dbg.dbg_link_intrs++; 3856 #endif 3857 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3858 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3859 ? TULIP_MEDIAPOLL_LINKFAIL 3860 : TULIP_MEDIAPOLL_LINKPASS); 3861 csr &= ~TULIP_STS_ABNRMLINTR; 3862 } 3863 tulip_media_print(sc); 3864 } 3865 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3866 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3867 if (csr & TULIP_STS_RXNOBUF) 3868 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3869 /* 3870 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3871 * on receive overflows. 3872 */ 3873 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3874 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3875 /* 3876 * Stop the receiver process and spin until it's stopped. 3877 * Tell rx_intr to drop the packets it dequeues. 3878 */ 3879 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3880 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3881 ; 3882 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3883 sc->tulip_flags |= TULIP_RXIGNORE; 3884 } 3885 tulip_rx_intr(sc); 3886 if (sc->tulip_flags & TULIP_RXIGNORE) { 3887 /* 3888 * Restart the receiver. 3889 */ 3890 sc->tulip_flags &= ~TULIP_RXIGNORE; 3891 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3892 } 3893 } 3894 if (csr & TULIP_STS_ABNRMLINTR) { 3895 u_int32_t tmp = csr & sc->tulip_intrmask 3896 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3897 if (csr & TULIP_STS_TXUNDERFLOW) { 3898 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3899 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3900 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3901 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3902 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3903 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3904 } 3905 } 3906 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3907 sc->tulip_statusbits |= tmp; 3908 } else { 3909 tulip_print_abnormal_interrupt(sc, tmp); 3910 sc->tulip_flags |= TULIP_NOMESSAGES; 3911 } 3912 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3913 } 3914 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3915 tulip_tx_intr(sc); 3916 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3917 tulip_ifstart(&sc->tulip_if); 3918 } 3919 } 3920 if (sc->tulip_flags & TULIP_NEEDRESET) { 3921 tulip_reset(sc); 3922 tulip_init(sc); 3923 } 3924 TULIP_PERFEND(intr); 3925 } 3926 3927 #if defined(TULIP_USE_SOFTINTR) 3928 /* 3929 * This is a experimental idea to alleviate problems due to interrupt 3930 * livelock. What is interrupt livelock? It's when you spend all your 3931 * time servicing device interrupts and never drop below device ipl 3932 * to do "useful" work. 3933 * 3934 * So what we do here is see if the device needs service and if so, 3935 * disable interrupts (dismiss the interrupt), place it in a list of devices 3936 * needing service, and issue a network software interrupt. 3937 * 3938 * When our network software interrupt routine gets called, we simply 3939 * walk done the list of devices that we have created and deal with them 3940 * at splnet/splsoftnet. 3941 * 3942 */ 3943 static void 3944 tulip_hardintr_handler( 3945 tulip_softc_t * const sc, 3946 int *progress_p) 3947 { 3948 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3949 return; 3950 *progress_p = 1; 3951 /* 3952 * disable interrupts 3953 */ 3954 TULIP_CSR_WRITE(sc, csr_intr, 0); 3955 /* 3956 * mark it as needing a software interrupt 3957 */ 3958 tulip_softintr_mask |= (1U << sc->tulip_unit); 3959 } 3960 3961 static void 3962 tulip_softintr( 3963 void) 3964 { 3965 u_int32_t softintr_mask, mask; 3966 int progress = 0; 3967 int unit; 3968 int s; 3969 3970 /* 3971 * Copy mask to local copy and reset global one to 0. 3972 */ 3973 s = splimp(); 3974 softintr_mask = tulip_softintr_mask; 3975 tulip_softintr_mask = 0; 3976 splx(s); 3977 3978 /* 3979 * Optimize for the single unit case. 3980 */ 3981 if (tulip_softintr_max_unit == 0) { 3982 if (softintr_mask & 1) { 3983 tulip_softc_t * const sc = tulips[0]; 3984 /* 3985 * Handle the "interrupt" and then reenable interrupts 3986 */ 3987 softintr_mask = 0; 3988 tulip_intr_handler(sc, &progress); 3989 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3990 } 3991 return; 3992 } 3993 3994 /* 3995 * Handle all "queued" interrupts in a round robin fashion. 3996 * This is done so as not to favor a particular interface. 3997 */ 3998 unit = tulip_softintr_last_unit; 3999 mask = (1U << unit); 4000 while (softintr_mask != 0) { 4001 if (tulip_softintr_max_unit == unit) { 4002 unit = 0; mask = 1; 4003 } else { 4004 unit += 1; mask <<= 1; 4005 } 4006 if (softintr_mask & mask) { 4007 tulip_softc_t * const sc = tulips[unit]; 4008 /* 4009 * Handle the "interrupt" and then reenable interrupts 4010 */ 4011 softintr_mask ^= mask; 4012 tulip_intr_handler(sc, &progress); 4013 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4014 } 4015 } 4016 4017 /* 4018 * Save where we ending up. 4019 */ 4020 tulip_softintr_last_unit = unit; 4021 } 4022 #endif /* TULIP_USE_SOFTINTR */ 4023 4024 static void 4025 tulip_intr_shared( 4026 void *arg) 4027 { 4028 tulip_softc_t * sc = arg; 4029 int progress = 0; 4030 4031 for (; sc != NULL; sc = sc->tulip_slaves) { 4032 #if defined(TULIP_DEBUG) 4033 sc->tulip_dbg.dbg_intrs++; 4034 #endif 4035 #if defined(TULIP_USE_SOFTINTR) 4036 tulip_hardintr_handler(sc, &progress); 4037 #else 4038 tulip_intr_handler(sc, &progress); 4039 #endif 4040 } 4041 #if defined(TULIP_USE_SOFTINTR) 4042 if (progress) 4043 schednetisr(NETISR_DE); 4044 #endif 4045 } 4046 4047 static void 4048 tulip_intr_normal( 4049 void *arg) 4050 { 4051 tulip_softc_t * sc = (tulip_softc_t *) arg; 4052 int progress = 0; 4053 4054 #if defined(TULIP_DEBUG) 4055 sc->tulip_dbg.dbg_intrs++; 4056 #endif 4057 #if defined(TULIP_USE_SOFTINTR) 4058 tulip_hardintr_handler(sc, &progress); 4059 if (progress) 4060 schednetisr(NETISR_DE); 4061 #else 4062 tulip_intr_handler(sc, &progress); 4063 #endif 4064 } 4065 4066 static struct mbuf * 4067 tulip_mbuf_compress( 4068 struct mbuf *m) 4069 { 4070 struct mbuf *m0; 4071 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4072 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4073 if (m0 != NULL) { 4074 if (m->m_pkthdr.len > MHLEN) { 4075 MCLGET(m0, M_DONTWAIT); 4076 if ((m0->m_flags & M_EXT) == 0) { 4077 m_freem(m); 4078 m_freem(m0); 4079 return NULL; 4080 } 4081 } 4082 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4083 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4084 } 4085 #else 4086 int mlen = MHLEN; 4087 int len = m->m_pkthdr.len; 4088 struct mbuf **mp = &m0; 4089 4090 while (len > 0) { 4091 if (mlen == MHLEN) { 4092 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4093 } else { 4094 MGET(*mp, M_DONTWAIT, MT_DATA); 4095 } 4096 if (*mp == NULL) { 4097 m_freem(m0); 4098 m0 = NULL; 4099 break; 4100 } 4101 if (len > MLEN) { 4102 MCLGET(*mp, M_DONTWAIT); 4103 if (((*mp)->m_flags & M_EXT) == 0) { 4104 m_freem(m0); 4105 m0 = NULL; 4106 break; 4107 } 4108 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4109 } else { 4110 (*mp)->m_len = len <= mlen ? len : mlen; 4111 } 4112 m_copydata(m, m->m_pkthdr.len - len, 4113 (*mp)->m_len, mtod((*mp), caddr_t)); 4114 len -= (*mp)->m_len; 4115 mp = &(*mp)->m_next; 4116 mlen = MLEN; 4117 } 4118 #endif 4119 m_freem(m); 4120 return m0; 4121 } 4122 4123 static struct mbuf * 4124 tulip_txput( 4125 tulip_softc_t * const sc, 4126 struct mbuf *m) 4127 { 4128 TULIP_PERFSTART(txput) 4129 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4130 tulip_desc_t *eop, *nextout; 4131 int segcnt, free; 4132 u_int32_t d_status; 4133 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4134 bus_dmamap_t map; 4135 int error; 4136 #else 4137 struct mbuf *m0; 4138 #endif 4139 4140 #if defined(TULIP_DEBUG) 4141 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4142 printf("%s%d: txput%s: tx not running\n", 4143 sc->tulip_name, sc->tulip_unit, 4144 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4145 sc->tulip_flags |= TULIP_WANTTXSTART; 4146 sc->tulip_dbg.dbg_txput_finishes[0]++; 4147 goto finish; 4148 } 4149 #endif 4150 4151 /* 4152 * Now we try to fill in our transmit descriptors. This is 4153 * a bit reminiscent of going on the Ark two by two 4154 * since each descriptor for the TULIP can describe 4155 * two buffers. So we advance through packet filling 4156 * each of the two entries at a time to to fill each 4157 * descriptor. Clear the first and last segment bits 4158 * in each descriptor (actually just clear everything 4159 * but the end-of-ring or chain bits) to make sure 4160 * we don't get messed up by previously sent packets. 4161 * 4162 * We may fail to put the entire packet on the ring if 4163 * there is either not enough ring entries free or if the 4164 * packet has more than MAX_TXSEG segments. In the former 4165 * case we will just wait for the ring to empty. In the 4166 * latter case we have to recopy. 4167 */ 4168 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4169 again: 4170 m0 = m; 4171 #endif 4172 d_status = 0; 4173 eop = nextout = ri->ri_nextout; 4174 segcnt = 0; 4175 free = ri->ri_free; 4176 4177 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4178 /* 4179 * Reclaim some dma maps from if we are out. 4180 */ 4181 if (sc->tulip_txmaps_free == 0) { 4182 #if defined(TULIP_DEBUG) 4183 sc->tulip_dbg.dbg_no_txmaps++; 4184 #endif 4185 free += tulip_tx_intr(sc); 4186 } 4187 if (sc->tulip_txmaps_free > 0) { 4188 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4189 } else { 4190 sc->tulip_flags |= TULIP_WANTTXSTART; 4191 #if defined(TULIP_DEBUG) 4192 sc->tulip_dbg.dbg_txput_finishes[1]++; 4193 #endif 4194 goto finish; 4195 } 4196 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4197 if (error != 0) { 4198 if (error == EFBIG) { 4199 /* 4200 * The packet exceeds the number of transmit buffer 4201 * entries that we can use for one packet, so we have 4202 * to recopy it into one mbuf and then try again. 4203 */ 4204 m = tulip_mbuf_compress(m); 4205 if (m == NULL) { 4206 #if defined(TULIP_DEBUG) 4207 sc->tulip_dbg.dbg_txput_finishes[2]++; 4208 #endif 4209 goto finish; 4210 } 4211 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4212 } 4213 if (error != 0) { 4214 printf("%s%d: unable to load tx map, " 4215 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 4216 #if defined(TULIP_DEBUG) 4217 sc->tulip_dbg.dbg_txput_finishes[3]++; 4218 #endif 4219 goto finish; 4220 } 4221 } 4222 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4223 /* 4224 * See if there's any unclaimed space in the transmit ring. 4225 */ 4226 && (free += tulip_tx_intr(sc)) <= 0) { 4227 /* 4228 * There's no more room but since nothing 4229 * has been committed at this point, just 4230 * show output is active, put back the 4231 * mbuf and return. 4232 */ 4233 sc->tulip_flags |= TULIP_WANTTXSTART; 4234 #if defined(TULIP_DEBUG) 4235 sc->tulip_dbg.dbg_txput_finishes[4]++; 4236 #endif 4237 bus_dmamap_unload(sc->tulip_dmatag, map); 4238 goto finish; 4239 } 4240 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4241 eop = nextout; 4242 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4243 eop->d_status = d_status; 4244 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4245 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4246 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4247 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4248 d_status = TULIP_DSTS_OWNER; 4249 if (++nextout == ri->ri_last) 4250 nextout = ri->ri_first; 4251 } 4252 if (segcnt < map->dm_nsegs) { 4253 eop = nextout; 4254 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4255 eop->d_status = d_status; 4256 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4257 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4258 eop->d_addr2 = 0; 4259 eop->d_length2 = 0; 4260 if (++nextout == ri->ri_last) 4261 nextout = ri->ri_first; 4262 } 4263 TULIP_TXMAP_PRESYNC(sc, map); 4264 M_SETCTX(m, map); 4265 map = NULL; 4266 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4267 4268 #else /* !TULIP_BUS_DMA */ 4269 4270 do { 4271 int len = m0->m_len; 4272 caddr_t addr = mtod(m0, caddr_t); 4273 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4274 4275 while (len > 0) { 4276 unsigned slen = min(len, clsize); 4277 #ifdef BIG_PACKET 4278 int partial = 0; 4279 if (slen >= 2048) 4280 slen = 2040, partial = 1; 4281 #endif 4282 segcnt++; 4283 if (segcnt > TULIP_MAX_TXSEG) { 4284 /* 4285 * The packet exceeds the number of transmit buffer 4286 * entries that we can use for one packet, so we have 4287 * recopy it into one mbuf and then try again. 4288 */ 4289 m = tulip_mbuf_compress(m); 4290 if (m == NULL) 4291 goto finish; 4292 goto again; 4293 } 4294 if (segcnt & 1) { 4295 if (--free == 0) { 4296 /* 4297 * See if there's any unclaimed space in the 4298 * transmit ring. 4299 */ 4300 if ((free += tulip_tx_intr(sc)) == 0) { 4301 /* 4302 * There's no more room but since nothing 4303 * has been committed at this point, just 4304 * show output is active, put back the 4305 * mbuf and return. 4306 */ 4307 sc->tulip_flags |= TULIP_WANTTXSTART; 4308 #if defined(TULIP_DEBUG) 4309 sc->tulip_dbg.dbg_txput_finishes[1]++; 4310 #endif 4311 goto finish; 4312 } 4313 } 4314 eop = nextout; 4315 if (++nextout == ri->ri_last) 4316 nextout = ri->ri_first; 4317 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4318 eop->d_status = d_status; 4319 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4320 eop->d_length1 = slen; 4321 } else { 4322 /* 4323 * Fill in second half of descriptor 4324 */ 4325 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4326 eop->d_length2 = slen; 4327 } 4328 d_status = TULIP_DSTS_OWNER; 4329 len -= slen; 4330 addr += slen; 4331 #ifdef BIG_PACKET 4332 if (partial) 4333 continue; 4334 #endif 4335 clsize = PAGE_SIZE; 4336 } 4337 } while ((m0 = m0->m_next) != NULL); 4338 #endif /* TULIP_BUS_DMA */ 4339 4340 /* 4341 * bounce a copy to the bpf listener, if any. 4342 */ 4343 if (sc->tulip_if.if_bpf != NULL) 4344 bpf_mtap(&sc->tulip_if, m); 4345 4346 /* 4347 * The descriptors have been filled in. Now get ready 4348 * to transmit. 4349 */ 4350 IF_ENQUEUE(&sc->tulip_txq, m); 4351 m = NULL; 4352 4353 /* 4354 * Make sure the next descriptor after this packet is owned 4355 * by us since it may have been set up above if we ran out 4356 * of room in the ring. 4357 */ 4358 nextout->d_status = 0; 4359 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4360 4361 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4362 /* 4363 * If we only used the first segment of the last descriptor, 4364 * make sure the second segment will not be used. 4365 */ 4366 if (segcnt & 1) { 4367 eop->d_addr2 = 0; 4368 eop->d_length2 = 0; 4369 } 4370 #endif /* TULIP_BUS_DMA */ 4371 4372 /* 4373 * Mark the last and first segments, indicate we want a transmit 4374 * complete interrupt, and tell it to transmit! 4375 */ 4376 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4377 4378 /* 4379 * Note that ri->ri_nextout is still the start of the packet 4380 * and until we set the OWNER bit, we can still back out of 4381 * everything we have done. 4382 */ 4383 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4384 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4385 if (eop < ri->ri_nextout) { 4386 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4387 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4388 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4389 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4390 } else { 4391 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4392 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4393 } 4394 #endif 4395 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4396 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4397 4398 /* 4399 * This advances the ring for us. 4400 */ 4401 ri->ri_nextout = nextout; 4402 ri->ri_free = free; 4403 4404 TULIP_PERFEND(txput); 4405 4406 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4407 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4408 sc->tulip_if.if_flags |= IFF_OACTIVE; 4409 sc->tulip_if.if_start = tulip_ifstart; 4410 TULIP_PERFEND(txput); 4411 return NULL; 4412 } 4413 4414 /* 4415 * switch back to the single queueing ifstart. 4416 */ 4417 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4418 if (sc->tulip_txtimer == 0) 4419 sc->tulip_txtimer = TULIP_TXTIMER; 4420 #if defined(TULIP_DEBUG) 4421 sc->tulip_dbg.dbg_txput_finishes[5]++; 4422 #endif 4423 4424 /* 4425 * If we want a txstart, there must be not enough space in the 4426 * transmit ring. So we want to enable transmit done interrupts 4427 * so we can immediately reclaim some space. When the transmit 4428 * interrupt is posted, the interrupt handler will call tx_intr 4429 * to reclaim space and then txstart (since WANTTXSTART is set). 4430 * txstart will move the packet into the transmit ring and clear 4431 * WANTTXSTART thereby causing TXINTR to be cleared. 4432 */ 4433 finish: 4434 #if defined(TULIP_DEBUG) 4435 sc->tulip_dbg.dbg_txput_finishes[6]++; 4436 #endif 4437 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4438 sc->tulip_if.if_flags |= IFF_OACTIVE; 4439 sc->tulip_if.if_start = tulip_ifstart; 4440 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4441 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4442 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4443 } 4444 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4445 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4446 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4447 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4448 } 4449 } 4450 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4451 TULIP_PERFEND(txput); 4452 return m; 4453 } 4454 4455 static void 4456 tulip_txput_setup( 4457 tulip_softc_t * const sc) 4458 { 4459 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4460 tulip_desc_t *nextout; 4461 4462 /* 4463 * We will transmit, at most, one setup packet per call to ifstart. 4464 */ 4465 4466 #if defined(TULIP_DEBUG) 4467 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4468 printf("%s%d: txput_setup: tx not running\n", 4469 sc->tulip_name, sc->tulip_unit); 4470 sc->tulip_flags |= TULIP_WANTTXSTART; 4471 sc->tulip_if.if_start = tulip_ifstart; 4472 return; 4473 } 4474 #endif 4475 /* 4476 * Try to reclaim some free descriptors.. 4477 */ 4478 if (ri->ri_free < 2) 4479 tulip_tx_intr(sc); 4480 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4481 sc->tulip_flags |= TULIP_WANTTXSTART; 4482 sc->tulip_if.if_start = tulip_ifstart; 4483 return; 4484 } 4485 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4486 sizeof(sc->tulip_setupbuf)); 4487 /* 4488 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4489 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4490 */ 4491 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4492 ri->ri_free--; 4493 nextout = ri->ri_nextout; 4494 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4495 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4496 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4497 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4498 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4499 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4500 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4501 4502 nextout->d_length2 = 0; 4503 nextout->d_addr2 = 0; 4504 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4505 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4506 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4507 if (sc->tulip_setupmap->dm_nsegs == 2) { 4508 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4509 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4510 } 4511 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4512 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4513 #else 4514 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4515 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4516 #endif 4517 4518 /* 4519 * Advance the ring for the next transmit packet. 4520 */ 4521 if (++ri->ri_nextout == ri->ri_last) 4522 ri->ri_nextout = ri->ri_first; 4523 4524 /* 4525 * Make sure the next descriptor is owned by us since it 4526 * may have been set up above if we ran out of room in the 4527 * ring. 4528 */ 4529 ri->ri_nextout->d_status = 0; 4530 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4531 nextout->d_status = TULIP_DSTS_OWNER; 4532 /* 4533 * Flush the ownwership of the current descriptor 4534 */ 4535 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4536 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4537 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4538 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4539 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4540 } 4541 } 4542 4543 4544 /* 4545 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4546 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4547 * defined or not. 4548 */ 4549 static int 4550 tulip_ifioctl( 4551 struct ifnet * ifp, 4552 u_long cmd, 4553 caddr_t data) 4554 { 4555 TULIP_PERFSTART(ifioctl) 4556 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4557 struct ifaddr *ifa = (struct ifaddr *)data; 4558 struct ifreq *ifr = (struct ifreq *) data; 4559 int s; 4560 int error = 0; 4561 4562 #if defined(TULIP_USE_SOFTINTR) 4563 s = splnet(); 4564 #else 4565 s = splimp(); 4566 #endif 4567 switch (cmd) { 4568 case SIOCSIFADDR: { 4569 ifp->if_flags |= IFF_UP; 4570 switch(ifa->ifa_addr->sa_family) { 4571 #ifdef INET 4572 case AF_INET: { 4573 tulip_init(sc); 4574 arp_ifinit(&(sc)->tulip_ac, ifa); 4575 break; 4576 } 4577 #endif /* INET */ 4578 4579 #ifdef IPX 4580 case AF_IPX: { 4581 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4582 if (ipx_nullhost(*ina)) { 4583 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4584 } else { 4585 ifp->if_flags &= ~IFF_RUNNING; 4586 bcopy((caddr_t)ina->x_host.c_host, 4587 (caddr_t)sc->tulip_enaddr, 4588 sizeof(sc->tulip_enaddr)); 4589 } 4590 tulip_init(sc); 4591 break; 4592 } 4593 #endif /* IPX */ 4594 4595 #ifdef NS 4596 /* 4597 * This magic copied from if_is.c; I don't use XNS, 4598 * so I have no way of telling if this actually 4599 * works or not. 4600 */ 4601 case AF_NS: { 4602 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4603 if (ns_nullhost(*ina)) { 4604 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4605 } else { 4606 ifp->if_flags &= ~IFF_RUNNING; 4607 bcopy((caddr_t)ina->x_host.c_host, 4608 (caddr_t)sc->tulip_enaddr, 4609 sizeof(sc->tulip_enaddr)); 4610 } 4611 tulip_init(sc); 4612 break; 4613 } 4614 #endif /* NS */ 4615 4616 default: { 4617 tulip_init(sc); 4618 break; 4619 } 4620 } 4621 break; 4622 } 4623 case SIOCGIFADDR: { 4624 bcopy((caddr_t) sc->tulip_enaddr, 4625 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4626 6); 4627 break; 4628 } 4629 4630 case SIOCSIFFLAGS: { 4631 tulip_addr_filter(sc); /* reinit multicast filter */ 4632 tulip_init(sc); 4633 break; 4634 } 4635 4636 case SIOCSIFMEDIA: 4637 case SIOCGIFMEDIA: { 4638 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4639 break; 4640 } 4641 4642 case SIOCADDMULTI: 4643 case SIOCDELMULTI: { 4644 /* 4645 * Update multicast listeners 4646 */ 4647 tulip_addr_filter(sc); /* reset multicast filtering */ 4648 tulip_init(sc); 4649 error = 0; 4650 break; 4651 } 4652 4653 case SIOCSIFMTU: 4654 /* 4655 * Set the interface MTU. 4656 */ 4657 if (ifr->ifr_mtu > ETHERMTU 4658 #ifdef BIG_PACKET 4659 && sc->tulip_chipid != TULIP_21140 4660 && sc->tulip_chipid != TULIP_21140A 4661 && sc->tulip_chipid != TULIP_21041 4662 #endif 4663 ) { 4664 error = EINVAL; 4665 break; 4666 } 4667 ifp->if_mtu = ifr->ifr_mtu; 4668 #ifdef BIG_PACKET 4669 tulip_reset(sc); 4670 tulip_init(sc); 4671 #endif 4672 break; 4673 4674 #ifdef SIOCGADDRROM 4675 case SIOCGADDRROM: { 4676 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4677 break; 4678 } 4679 #endif 4680 #ifdef SIOCGCHIPID 4681 case SIOCGCHIPID: { 4682 ifr->ifr_metric = (int) sc->tulip_chipid; 4683 break; 4684 } 4685 #endif 4686 default: { 4687 error = EINVAL; 4688 break; 4689 } 4690 } 4691 4692 splx(s); 4693 TULIP_PERFEND(ifioctl); 4694 return error; 4695 } 4696 4697 /* 4698 * These routines gets called at device spl (from ether_output). This might 4699 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4700 * device spl from another driver. 4701 */ 4702 4703 static void 4704 tulip_ifstart( 4705 struct ifnet * const ifp) 4706 { 4707 TULIP_PERFSTART(ifstart) 4708 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4709 4710 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4711 4712 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4713 tulip_txput_setup(sc); 4714 4715 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4716 struct mbuf *m; 4717 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4718 if ((m = tulip_txput(sc, m)) != NULL) { 4719 IF_PREPEND(&sc->tulip_if.if_snd, m); 4720 break; 4721 } 4722 } 4723 if (sc->tulip_if.if_snd.ifq_head == NULL) 4724 sc->tulip_if.if_start = tulip_ifstart_one; 4725 } 4726 4727 TULIP_PERFEND(ifstart); 4728 } 4729 4730 static void 4731 tulip_ifstart_one( 4732 struct ifnet * const ifp) 4733 { 4734 TULIP_PERFSTART(ifstart_one) 4735 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4736 4737 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4738 && sc->tulip_if.if_snd.ifq_head != NULL) { 4739 struct mbuf *m; 4740 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4741 if ((m = tulip_txput(sc, m)) != NULL) 4742 IF_PREPEND(&sc->tulip_if.if_snd, m); 4743 } 4744 TULIP_PERFEND(ifstart_one); 4745 } 4746 4747 /* 4748 * Even though this routine runs at device spl, it does not break 4749 * our use of splnet (splsoftnet under NetBSD) for the majority 4750 * of this driver (if TULIP_USE_SOFTINTR defined) since 4751 * if_watcbog is called from if_watchdog which is called from 4752 * splsoftclock which is below spl[soft]net. 4753 */ 4754 static void 4755 tulip_ifwatchdog( 4756 struct ifnet *ifp) 4757 { 4758 TULIP_PERFSTART(ifwatchdog) 4759 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4760 4761 #if defined(TULIP_DEBUG) 4762 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4763 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4764 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4765 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4766 #endif /* TULIP_DEBUG */ 4767 4768 sc->tulip_if.if_timer = 1; 4769 /* 4770 * These should be rare so do a bulk test up front so we can just skip 4771 * them if needed. 4772 */ 4773 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4774 /* 4775 * If the number of receive buffer is low, try to refill 4776 */ 4777 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4778 tulip_rx_intr(sc); 4779 4780 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4781 printf("%s%d: %d system errors: last was %s\n", 4782 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 4783 tulip_system_errors[sc->tulip_last_system_error]); 4784 } 4785 if (sc->tulip_statusbits) { 4786 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4787 sc->tulip_statusbits = 0; 4788 } 4789 4790 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4791 } 4792 4793 if (sc->tulip_txtimer) 4794 tulip_tx_intr(sc); 4795 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4796 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 4797 if (TULIP_DO_AUTOSENSE(sc)) { 4798 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4799 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4800 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4801 } 4802 tulip_reset(sc); 4803 tulip_init(sc); 4804 } 4805 4806 TULIP_PERFEND(ifwatchdog); 4807 TULIP_PERFMERGE(sc, perf_intr_cycles); 4808 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4809 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4810 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4811 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4812 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4813 TULIP_PERFMERGE(sc, perf_txput_cycles); 4814 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4815 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4816 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4817 TULIP_PERFMERGE(sc, perf_intr); 4818 TULIP_PERFMERGE(sc, perf_ifstart); 4819 TULIP_PERFMERGE(sc, perf_ifioctl); 4820 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4821 TULIP_PERFMERGE(sc, perf_timeout); 4822 TULIP_PERFMERGE(sc, perf_ifstart_one); 4823 TULIP_PERFMERGE(sc, perf_txput); 4824 TULIP_PERFMERGE(sc, perf_txintr); 4825 TULIP_PERFMERGE(sc, perf_rxintr); 4826 TULIP_PERFMERGE(sc, perf_rxget); 4827 } 4828 4829 /* 4830 * All printf's are real as of now! 4831 */ 4832 #ifdef printf 4833 #undef printf 4834 #endif 4835 4836 static void 4837 tulip_attach( 4838 tulip_softc_t * const sc) 4839 { 4840 struct ifnet * const ifp = &sc->tulip_if; 4841 4842 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4843 ifp->if_ioctl = tulip_ifioctl; 4844 ifp->if_start = tulip_ifstart; 4845 ifp->if_watchdog = tulip_ifwatchdog; 4846 ifp->if_timer = 1; 4847 ifp->if_output = ether_output; 4848 4849 printf("%s%d: %s%s pass %d.%d%s\n", 4850 sc->tulip_name, sc->tulip_unit, 4851 sc->tulip_boardid, 4852 tulip_chipdescs[sc->tulip_chipid], 4853 (sc->tulip_revinfo & 0xF0) >> 4, 4854 sc->tulip_revinfo & 0x0F, 4855 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4856 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4857 printf("%s%d: address %6D\n", 4858 sc->tulip_name, sc->tulip_unit, sc->tulip_enaddr, ":"); 4859 4860 #if defined(__alpha__) 4861 /* 4862 * In case the SRM console told us about a bogus media, 4863 * we need to check to be safe. 4864 */ 4865 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4866 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4867 #endif 4868 4869 (*sc->tulip_boardsw->bd_media_probe)(sc); 4870 ifmedia_init(&sc->tulip_ifmedia, 0, 4871 tulip_ifmedia_change, 4872 tulip_ifmedia_status); 4873 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4874 tulip_ifmedia_add(sc); 4875 4876 tulip_reset(sc); 4877 4878 ether_ifattach(&(sc)->tulip_if, ETHER_BPF_SUPPORTED); 4879 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4880 } 4881 4882 #if defined(TULIP_BUS_DMA) 4883 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4884 static int 4885 tulip_busdma_allocmem( 4886 tulip_softc_t * const sc, 4887 size_t size, 4888 bus_dmamap_t *map_p, 4889 tulip_desc_t **desc_p) 4890 { 4891 bus_dma_segment_t segs[1]; 4892 int nsegs, error; 4893 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4894 segs, sizeof(segs)/sizeof(segs[0]), 4895 &nsegs, BUS_DMA_NOWAIT); 4896 if (error == 0) { 4897 void *desc; 4898 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4899 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4900 if (error == 0) { 4901 bus_dmamap_t map; 4902 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4903 BUS_DMA_NOWAIT, &map); 4904 if (error == 0) { 4905 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4906 size, NULL, BUS_DMA_NOWAIT); 4907 if (error) 4908 bus_dmamap_destroy(sc->tulip_dmatag, map); 4909 else 4910 *map_p = map; 4911 } 4912 if (error) 4913 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4914 } 4915 if (error) 4916 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4917 else 4918 *desc_p = desc; 4919 } 4920 return error; 4921 } 4922 #endif 4923 4924 static int 4925 tulip_busdma_init( 4926 tulip_softc_t * const sc) 4927 { 4928 int error = 0; 4929 4930 #if !defined(TULIP_BUS_DMA_NOTX) 4931 /* 4932 * Allocate dmamap for setup descriptor 4933 */ 4934 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4935 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4936 &sc->tulip_setupmap); 4937 if (error == 0) { 4938 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4939 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4940 NULL, BUS_DMA_NOWAIT); 4941 if (error) 4942 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4943 } 4944 /* 4945 * Allocate space and dmamap for transmit ring 4946 */ 4947 if (error == 0) { 4948 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4949 &sc->tulip_txdescmap, 4950 &sc->tulip_txdescs); 4951 } 4952 4953 /* 4954 * Allocate dmamaps for each transmit descriptors 4955 */ 4956 if (error == 0) { 4957 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4958 bus_dmamap_t map; 4959 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4960 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4961 } 4962 if (error) { 4963 while (sc->tulip_txmaps_free > 0) 4964 bus_dmamap_destroy(sc->tulip_dmatag, 4965 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4966 } 4967 } 4968 #else 4969 if (error == 0) { 4970 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4971 if (sc->tulip_txdescs == NULL) 4972 error = ENOMEM; 4973 } 4974 #endif 4975 #if !defined(TULIP_BUS_DMA_NORX) 4976 /* 4977 * Allocate space and dmamap for receive ring 4978 */ 4979 if (error == 0) { 4980 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4981 &sc->tulip_rxdescmap, 4982 &sc->tulip_rxdescs); 4983 } 4984 4985 /* 4986 * Allocate dmamaps for each receive descriptors 4987 */ 4988 if (error == 0) { 4989 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4990 bus_dmamap_t map; 4991 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4992 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4993 } 4994 if (error) { 4995 while (sc->tulip_rxmaps_free > 0) 4996 bus_dmamap_destroy(sc->tulip_dmatag, 4997 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4998 } 4999 } 5000 #else 5001 if (error == 0) { 5002 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5003 if (sc->tulip_rxdescs == NULL) 5004 error = ENOMEM; 5005 } 5006 #endif 5007 return error; 5008 } 5009 #endif /* TULIP_BUS_DMA */ 5010 5011 static void 5012 tulip_initcsrs( 5013 tulip_softc_t * const sc, 5014 tulip_csrptr_t csr_base, 5015 size_t csr_size) 5016 { 5017 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5018 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5019 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5020 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5021 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5022 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5023 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5024 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5025 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5026 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5027 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5028 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5029 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5030 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5031 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5032 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5033 } 5034 5035 static void 5036 tulip_initring( 5037 tulip_softc_t * const sc, 5038 tulip_ringinfo_t * const ri, 5039 tulip_desc_t *descs, 5040 int ndescs) 5041 { 5042 ri->ri_max = ndescs; 5043 ri->ri_first = descs; 5044 ri->ri_last = ri->ri_first + ri->ri_max; 5045 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5046 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5047 } 5048 5049 /* 5050 * This is the PCI configuration support. 5051 */ 5052 5053 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5054 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5055 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 5056 5057 static int 5058 tulip_pci_probe(device_t dev) 5059 { 5060 const char *name = NULL; 5061 5062 if (pci_get_vendor(dev) != DEC_VENDORID) 5063 return ENXIO; 5064 5065 /* 5066 * Some LanMedia WAN cards use the Tulip chip, but they have 5067 * their own driver, and we should not recognize them 5068 */ 5069 if (pci_get_subvendor(dev) == 0x1376) 5070 return ENXIO; 5071 5072 switch (pci_get_device(dev)) { 5073 case CHIPID_21040: 5074 name = "Digital 21040 Ethernet"; 5075 break; 5076 case CHIPID_21041: 5077 name = "Digital 21041 Ethernet"; 5078 break; 5079 case CHIPID_21140: 5080 if (pci_get_revid(dev) >= 0x20) 5081 name = "Digital 21140A Fast Ethernet"; 5082 else 5083 name = "Digital 21140 Fast Ethernet"; 5084 break; 5085 case CHIPID_21142: 5086 if (pci_get_revid(dev) >= 0x20) 5087 name = "Digital 21143 Fast Ethernet"; 5088 else 5089 name = "Digital 21142 Fast Ethernet"; 5090 break; 5091 } 5092 if (name) { 5093 device_set_desc(dev, name); 5094 return -200; 5095 } 5096 return ENXIO; 5097 } 5098 5099 static int 5100 tulip_shutdown(device_t dev) 5101 { 5102 tulip_softc_t * const sc = device_get_softc(dev); 5103 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5104 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5105 33MHz that comes to two microseconds but wait a 5106 bit longer anyways) */ 5107 return 0; 5108 } 5109 5110 static int 5111 tulip_pci_attach(device_t dev) 5112 { 5113 tulip_softc_t *sc; 5114 #if defined(__alpha__) 5115 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5116 #endif 5117 int retval, idx; 5118 u_int32_t revinfo, cfdainfo, cfcsinfo; 5119 unsigned csroffset = TULIP_PCI_CSROFFSET; 5120 unsigned csrsize = TULIP_PCI_CSRSIZE; 5121 tulip_csrptr_t csr_base; 5122 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5123 struct resource *res; 5124 int rid, unit; 5125 5126 unit = device_get_unit(dev); 5127 5128 if (unit >= TULIP_MAX_DEVICES) { 5129 printf("de%d", unit); 5130 printf(": not configured; limit of %d reached or exceeded\n", 5131 TULIP_MAX_DEVICES); 5132 return ENXIO; 5133 } 5134 5135 revinfo = pci_get_revid(dev); 5136 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5137 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5138 5139 /* turn busmaster on in case BIOS doesn't set it */ 5140 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5141 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5142 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5143 } 5144 5145 if (pci_get_vendor(dev) == DEC_VENDORID) { 5146 if (pci_get_device(dev) == CHIPID_21040) 5147 chipid = TULIP_21040; 5148 else if (pci_get_device(dev) == CHIPID_21041) 5149 chipid = TULIP_21041; 5150 else if (pci_get_device(dev) == CHIPID_21140) 5151 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5152 else if (pci_get_device(dev) == CHIPID_21142) 5153 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5154 } 5155 if (chipid == TULIP_CHIPID_UNKNOWN) 5156 return ENXIO; 5157 5158 if (chipid == TULIP_21040 && revinfo < 0x20) { 5159 printf("de%d", unit); 5160 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5161 revinfo >> 4, revinfo & 0x0f); 5162 return ENXIO; 5163 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5164 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5165 unit, revinfo >> 4, revinfo & 0x0f); 5166 return ENXIO; 5167 } 5168 5169 sc = device_get_softc(dev); 5170 sc->tulip_pci_busno = pci_get_bus(dev); 5171 sc->tulip_pci_devno = pci_get_slot(dev); 5172 sc->tulip_chipid = chipid; 5173 sc->tulip_flags |= TULIP_DEVICEPROBE; 5174 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5175 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5176 if (chipid == TULIP_21140A && revinfo <= 0x22) 5177 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5178 if (chipid == TULIP_21140) 5179 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5180 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5181 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5182 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5183 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5184 if (chipid != TULIP_21041 || revinfo >= 0x20) 5185 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5186 if (chipid != TULIP_21041) 5187 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5188 if (chipid != TULIP_21041 && revinfo >= 0x20) 5189 sc->tulip_features |= TULIP_HAVE_SIA100; 5190 } 5191 5192 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5193 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5194 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5195 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5196 DELAY(11*1000); 5197 } 5198 #if defined(__alpha__) 5199 /* 5200 * The Alpha SRM console encodes a console set media in the driver 5201 * part of the CFDA register. Note that the Multia presents a 5202 * problem in that its BNC mode is really EXTSIA. So in that case 5203 * force a probe. 5204 */ 5205 switch ((cfdainfo >> 8) & 0xff) { 5206 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5207 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5208 case 3: media = TULIP_MEDIA_10BASET; break; 5209 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5210 case 5: media = TULIP_MEDIA_100BASETX; break; 5211 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5212 default: media = TULIP_MEDIA_UNKNOWN; break; 5213 } 5214 #endif 5215 5216 sc->tulip_unit = unit; 5217 sc->tulip_name = "de"; 5218 sc->tulip_revinfo = revinfo; 5219 sc->tulip_if.if_softc = sc; 5220 #if defined(TULIP_IOMAPPED) 5221 rid = PCI_CBIO; 5222 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 5223 0, ~0, 1, RF_ACTIVE); 5224 #else 5225 rid = PCI_CBMA; 5226 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 5227 0, ~0, 1, RF_ACTIVE); 5228 #endif 5229 if (!res) 5230 return ENXIO; 5231 sc->tulip_csrs_bst = rman_get_bustag(res); 5232 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5233 csr_base = 0; 5234 5235 tulips[unit] = sc; 5236 5237 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5238 5239 #if defined(TULIP_BUS_DMA) 5240 if ((retval = tulip_busdma_init(sc)) != 0) { 5241 printf("error initing bus_dma: %d\n", retval); 5242 return ENXIO; 5243 } 5244 #else 5245 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5246 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5247 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5248 printf("malloc failed\n"); 5249 if (sc->tulip_rxdescs) 5250 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5251 if (sc->tulip_txdescs) 5252 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5253 return ENXIO; 5254 } 5255 #endif 5256 5257 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5258 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5259 5260 /* 5261 * Make sure there won't be any interrupts or such... 5262 */ 5263 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5264 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5265 33MHz that comes to two microseconds but wait a 5266 bit longer anyways) */ 5267 5268 if ((retval = tulip_read_macaddr(sc)) < 0) { 5269 printf("%s%d", sc->tulip_name, sc->tulip_unit); 5270 printf(": can't read ENET ROM (why=%d) (", retval); 5271 for (idx = 0; idx < 32; idx++) 5272 printf("%02x", sc->tulip_rombuf[idx]); 5273 printf("\n"); 5274 printf("%s%d: %s%s pass %d.%d\n", 5275 sc->tulip_name, sc->tulip_unit, 5276 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5277 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5278 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 5279 } else { 5280 int s; 5281 void (*intr_rtn)(void *) = tulip_intr_normal; 5282 5283 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5284 intr_rtn = tulip_intr_shared; 5285 5286 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5287 void *ih; 5288 5289 rid = 0; 5290 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 5291 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 5292 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5293 intr_rtn, sc, &ih)) { 5294 printf("%s%d: couldn't map interrupt\n", 5295 sc->tulip_name, sc->tulip_unit); 5296 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5297 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5298 return ENXIO; 5299 } 5300 } 5301 #if defined(TULIP_USE_SOFTINTR) 5302 if (sc->tulip_unit > tulip_softintr_max_unit) 5303 tulip_softintr_max_unit = sc->tulip_unit; 5304 #endif 5305 5306 s = splimp(); 5307 #if defined(__alpha__) 5308 sc->tulip_media = media; 5309 #endif 5310 tulip_attach(sc); 5311 #if defined(__alpha__) 5312 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5313 tulip_linkup(sc, media); 5314 #endif 5315 splx(s); 5316 } 5317 return 0; 5318 } 5319 5320 static device_method_t tulip_pci_methods[] = { 5321 /* Device interface */ 5322 DEVMETHOD(device_probe, tulip_pci_probe), 5323 DEVMETHOD(device_attach, tulip_pci_attach), 5324 DEVMETHOD(device_shutdown, tulip_shutdown), 5325 { 0, 0 } 5326 }; 5327 static driver_t tulip_pci_driver = { 5328 "de", 5329 tulip_pci_methods, 5330 sizeof(tulip_softc_t), 5331 }; 5332 static devclass_t tulip_devclass; 5333 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 5334