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 1.16 2004/09/14 22:54:16 joerg 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 <netproto/ipx/ipx.h> 77 #include <netproto/ipx/ipx_if.h> 78 #endif 79 80 #ifdef NS 81 #include <netproto/ns/ns.h> 82 #include <netproto/ns/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 <bus/pci/pcivar.h> 90 #include <bus/pci/pcireg.h> 91 #include <bus/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 "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 callout_reset(&sc->tulip_timer, (hz + TULIP_HZ / 2) / TULIP_HZ, 171 tulip_timeout_callback, sc); 172 } 173 174 #if defined(TULIP_NEED_FASTTIMEOUT) 175 static void 176 tulip_fasttimeout_callback( 177 void *arg) 178 { 179 tulip_softc_t * const sc = arg; 180 int s = splimp(); 181 182 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 183 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 184 splx(s); 185 } 186 187 static void 188 tulip_fasttimeout( 189 tulip_softc_t * const sc) 190 { 191 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 192 return; 193 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 194 callout_reset(&sc->tulip_fast_timer, 1, tulip_fasttimeout_callback, sc); 195 } 196 #endif 197 198 static int 199 tulip_txprobe( 200 tulip_softc_t * const sc) 201 { 202 struct mbuf *m; 203 /* 204 * Before we are sure this is the right media we need 205 * to send a small packet to make sure there's carrier. 206 * Strangely, BNC and AUI will "see" receive data if 207 * either is connected so the transmit is the only way 208 * to verify the connectivity. 209 */ 210 MGETHDR(m, MB_DONTWAIT, MT_DATA); 211 if (m == NULL) 212 return 0; 213 /* 214 * Construct a LLC TEST message which will point to ourselves. 215 */ 216 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 217 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 218 mtod(m, struct ether_header *)->ether_type = htons(3); 219 mtod(m, unsigned char *)[14] = 0; 220 mtod(m, unsigned char *)[15] = 0; 221 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 222 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 223 /* 224 * send it! 225 */ 226 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 227 sc->tulip_intrmask |= TULIP_STS_TXINTR; 228 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 229 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 230 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 231 if ((m = tulip_txput(sc, m)) != NULL) 232 m_freem(m); 233 sc->tulip_probe.probe_txprobes++; 234 return 1; 235 } 236 237 #ifdef BIG_PACKET 238 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 239 #else 240 #define TULIP_SIAGEN_WATCHDOG 0 241 #endif 242 243 static void 244 tulip_media_set( 245 tulip_softc_t * const sc, 246 tulip_media_t media) 247 { 248 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 249 250 if (mi == NULL) 251 return; 252 253 /* 254 * If we are switching media, make sure we don't think there's 255 * any stale RX activity 256 */ 257 sc->tulip_flags &= ~TULIP_RXACT; 258 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 259 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 260 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 261 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 262 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 263 DELAY(50); 264 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 265 } else { 266 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 267 } 268 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 269 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 270 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 271 /* 272 * If the cmdmode bits don't match the currently operating mode, 273 * set the cmdmode appropriately and reset the chip. 274 */ 275 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 276 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 277 sc->tulip_cmdmode |= mi->mi_cmdmode; 278 tulip_reset(sc); 279 } 280 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 281 DELAY(10); 282 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 283 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 284 /* 285 * If the cmdmode bits don't match the currently operating mode, 286 * set the cmdmode appropriately and reset the chip. 287 */ 288 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 289 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 290 sc->tulip_cmdmode |= mi->mi_cmdmode; 291 tulip_reset(sc); 292 } 293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 294 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 295 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 296 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 297 int idx; 298 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 299 const u_int8_t *dp; 300 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 301 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 302 DELAY(10); 303 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 304 } 305 sc->tulip_phyaddr = mi->mi_phyaddr; 306 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 307 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 308 DELAY(10); 309 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 310 } 311 } else { 312 for (idx = 0; idx < mi->mi_reset_length; idx++) { 313 DELAY(10); 314 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 315 } 316 sc->tulip_phyaddr = mi->mi_phyaddr; 317 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 318 DELAY(10); 319 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 320 } 321 } 322 if (sc->tulip_flags & TULIP_TRYNWAY) { 323 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 324 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 325 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 326 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 327 sc->tulip_flags &= ~TULIP_DIDNWAY; 328 if (TULIP_IS_MEDIA_FD(media)) 329 data |= PHYCTL_FULL_DUPLEX; 330 if (TULIP_IS_MEDIA_100MB(media)) 331 data |= PHYCTL_SELECT_100MB; 332 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 333 } 334 } 335 } 336 337 static void 338 tulip_linkup( 339 tulip_softc_t * const sc, 340 tulip_media_t media) 341 { 342 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 343 sc->tulip_flags |= TULIP_PRINTLINKUP; 344 sc->tulip_flags |= TULIP_LINKUP; 345 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 346 #if 0 /* XXX how does with work with ifmedia? */ 347 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 348 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 349 if (TULIP_CAN_MEDIA_FD(media) 350 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 351 media = TULIP_FD_MEDIA_OF(media); 352 } else { 353 if (TULIP_IS_MEDIA_FD(media) 354 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 355 media = TULIP_HD_MEDIA_OF(media); 356 } 357 } 358 #endif 359 if (sc->tulip_media != media) { 360 #ifdef TULIP_DEBUG 361 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 362 #endif 363 sc->tulip_media = media; 364 sc->tulip_flags |= TULIP_PRINTMEDIA; 365 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 366 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 367 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 368 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 369 } 370 } 371 /* 372 * We could set probe_timeout to 0 but setting to 3000 puts this 373 * in one central place and the only matters is tulip_link is 374 * followed by a tulip_timeout. Therefore setting it should not 375 * result in aberrant behavour. 376 */ 377 sc->tulip_probe_timeout = 3000; 378 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 379 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 380 if (sc->tulip_flags & TULIP_INRESET) { 381 tulip_media_set(sc, sc->tulip_media); 382 } else if (sc->tulip_probe_media != sc->tulip_media) { 383 /* 384 * No reason to change media if we have the right media. 385 */ 386 tulip_reset(sc); 387 } 388 tulip_init(sc); 389 } 390 391 static void 392 tulip_media_print( 393 tulip_softc_t * const sc) 394 { 395 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 396 return; 397 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 398 printf("%s%d: enabling %s port\n", 399 sc->tulip_name, sc->tulip_unit, 400 tulip_mediums[sc->tulip_media]); 401 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 402 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 403 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 404 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 405 } 406 } 407 408 #if defined(TULIP_DO_GPR_SENSE) 409 static tulip_media_t 410 tulip_21140_gpr_media_sense( 411 tulip_softc_t * const sc) 412 { 413 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 414 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 415 tulip_media_t media; 416 417 /* 418 * If one of the media blocks contained a default media flag, 419 * use that. 420 */ 421 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 422 const tulip_media_info_t *mi; 423 /* 424 * Media is not supported (or is full-duplex). 425 */ 426 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 427 continue; 428 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 429 continue; 430 431 /* 432 * Remember the media is this is the "default" media. 433 */ 434 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 435 maybe_media = media; 436 437 /* 438 * No activity mask? Can't see if it is active if there's no mask. 439 */ 440 if (mi->mi_actmask == 0) 441 continue; 442 443 /* 444 * Does the activity data match? 445 */ 446 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 447 continue; 448 449 #if defined(TULIP_DEBUG) 450 printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 451 sc->tulip_name, sc->tulip_unit, tulip_mediums[media], 452 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 453 mi->mi_actmask, mi->mi_actdata); 454 #endif 455 /* 456 * It does! If this is the first media we detected, then 457 * remember this media. If isn't the first, then there were 458 * multiple matches which we equate to no match (since we don't 459 * which to select (if any). 460 */ 461 if (last_media == TULIP_MEDIA_UNKNOWN) { 462 last_media = media; 463 } else if (last_media != media) { 464 last_media = TULIP_MEDIA_UNKNOWN; 465 } 466 } 467 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 468 } 469 #endif /* TULIP_DO_GPR_SENSE */ 470 471 static tulip_link_status_t 472 tulip_media_link_monitor( 473 tulip_softc_t * const sc) 474 { 475 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 476 tulip_link_status_t linkup = TULIP_LINK_DOWN; 477 478 if (mi == NULL) { 479 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 480 panic("tulip_media_link_monitor: %s: botch at line %d\n", 481 tulip_mediums[sc->tulip_media],__LINE__); 482 #endif 483 return TULIP_LINK_UNKNOWN; 484 } 485 486 487 /* 488 * Have we seen some packets? If so, the link must be good. 489 */ 490 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 491 sc->tulip_flags &= ~TULIP_RXACT; 492 sc->tulip_probe_timeout = 3000; 493 return TULIP_LINK_UP; 494 } 495 496 sc->tulip_flags &= ~TULIP_RXACT; 497 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 498 u_int32_t status; 499 /* 500 * Read the PHY status register. 501 */ 502 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 503 if (status & PHYSTS_AUTONEG_DONE) { 504 /* 505 * If the PHY has completed autonegotiation, see the if the 506 * remote systems abilities have changed. If so, upgrade or 507 * downgrade as appropriate. 508 */ 509 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 510 abilities = (abilities << 6) & status; 511 if (abilities != sc->tulip_abilities) { 512 #if defined(TULIP_DEBUG) 513 loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 514 sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr, 515 sc->tulip_abilities, abilities); 516 #endif 517 if (tulip_mii_map_abilities(sc, abilities)) { 518 tulip_linkup(sc, sc->tulip_probe_media); 519 return TULIP_LINK_UP; 520 } 521 /* 522 * if we had selected media because of autonegotiation, 523 * we need to probe for the new media. 524 */ 525 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 526 if (sc->tulip_flags & TULIP_DIDNWAY) 527 return TULIP_LINK_DOWN; 528 } 529 } 530 /* 531 * The link is now up. If was down, say its back up. 532 */ 533 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 534 linkup = TULIP_LINK_UP; 535 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 536 /* 537 * No activity sensor? Assume all's well. 538 */ 539 if (mi->mi_actmask == 0) 540 return TULIP_LINK_UNKNOWN; 541 /* 542 * Does the activity data match? 543 */ 544 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 545 linkup = TULIP_LINK_UP; 546 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 547 /* 548 * Assume non TP ok for now. 549 */ 550 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 551 return TULIP_LINK_UNKNOWN; 552 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 553 linkup = TULIP_LINK_UP; 554 #if defined(TULIP_DEBUG) 555 if (sc->tulip_probe_timeout <= 0) 556 printf("%s%d: sia status = 0x%08x\n", sc->tulip_name, 557 sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status)); 558 #endif 559 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 560 return TULIP_LINK_UNKNOWN; 561 } 562 /* 563 * We will wait for 3 seconds until the link goes into suspect mode. 564 */ 565 if (sc->tulip_flags & TULIP_LINKUP) { 566 if (linkup == TULIP_LINK_UP) 567 sc->tulip_probe_timeout = 3000; 568 if (sc->tulip_probe_timeout > 0) 569 return TULIP_LINK_UP; 570 571 sc->tulip_flags &= ~TULIP_LINKUP; 572 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 573 } 574 #if defined(TULIP_DEBUG) 575 sc->tulip_dbg.dbg_link_downed++; 576 #endif 577 return TULIP_LINK_DOWN; 578 } 579 580 static void 581 tulip_media_poll( 582 tulip_softc_t * const sc, 583 tulip_mediapoll_event_t event) 584 { 585 #if defined(TULIP_DEBUG) 586 sc->tulip_dbg.dbg_events[event]++; 587 #endif 588 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 589 && event == TULIP_MEDIAPOLL_TIMER) { 590 switch (tulip_media_link_monitor(sc)) { 591 case TULIP_LINK_DOWN: { 592 /* 593 * Link Monitor failed. Probe for new media. 594 */ 595 event = TULIP_MEDIAPOLL_LINKFAIL; 596 break; 597 } 598 case TULIP_LINK_UP: { 599 /* 600 * Check again soon. 601 */ 602 tulip_timeout(sc); 603 return; 604 } 605 case TULIP_LINK_UNKNOWN: { 606 /* 607 * We can't tell so don't bother. 608 */ 609 return; 610 } 611 } 612 } 613 614 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 615 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 616 if (TULIP_DO_AUTOSENSE(sc)) { 617 #if defined(TULIP_DEBUG) 618 sc->tulip_dbg.dbg_link_failures++; 619 #endif 620 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 621 if (sc->tulip_if.if_flags & IFF_UP) 622 tulip_reset(sc); /* restart probe */ 623 } 624 return; 625 } 626 #if defined(TULIP_DEBUG) 627 sc->tulip_dbg.dbg_link_pollintrs++; 628 #endif 629 } 630 631 if (event == TULIP_MEDIAPOLL_START) { 632 sc->tulip_if.if_flags |= IFF_OACTIVE; 633 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 634 return; 635 sc->tulip_probe_mediamask = 0; 636 sc->tulip_probe_passes = 0; 637 #if defined(TULIP_DEBUG) 638 sc->tulip_dbg.dbg_media_probes++; 639 #endif 640 /* 641 * If the SROM contained an explicit media to use, use it. 642 */ 643 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 644 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 645 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 646 /* 647 * connidx is defaulted to a media_unknown type. 648 */ 649 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 650 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 651 tulip_linkup(sc, sc->tulip_probe_media); 652 tulip_timeout(sc); 653 return; 654 } 655 656 if (sc->tulip_features & TULIP_HAVE_GPR) { 657 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 658 sc->tulip_probe_timeout = 2000; 659 } else { 660 sc->tulip_probe_media = TULIP_MEDIA_MAX; 661 sc->tulip_probe_timeout = 0; 662 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 663 } 664 } 665 666 /* 667 * Ignore txprobe failures or spurious callbacks. 668 */ 669 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 670 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 671 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 672 return; 673 } 674 675 /* 676 * If we really transmitted a packet, then that's the media we'll use. 677 */ 678 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 679 if (event == TULIP_MEDIAPOLL_LINKPASS) { 680 /* XXX Check media status just to be sure */ 681 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 682 #if defined(TULIP_DEBUG) 683 } else { 684 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 685 #endif 686 } 687 tulip_linkup(sc, sc->tulip_probe_media); 688 tulip_timeout(sc); 689 return; 690 } 691 692 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 693 #if defined(TULIP_DO_GPR_SENSE) 694 /* 695 * Check for media via the general purpose register. 696 * 697 * Try to sense the media via the GPR. If the same value 698 * occurs 3 times in a row then just use that. 699 */ 700 if (sc->tulip_probe_timeout > 0) { 701 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 702 #if defined(TULIP_DEBUG) 703 printf("%s%d: media_poll: gpr sensing = %s\n", 704 sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]); 705 #endif 706 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 707 if (new_probe_media == sc->tulip_probe_media) { 708 if (--sc->tulip_probe_count == 0) 709 tulip_linkup(sc, sc->tulip_probe_media); 710 } else { 711 sc->tulip_probe_count = 10; 712 } 713 } 714 sc->tulip_probe_media = new_probe_media; 715 tulip_timeout(sc); 716 return; 717 } 718 #endif /* TULIP_DO_GPR_SENSE */ 719 /* 720 * Brute force. We cycle through each of the media types 721 * and try to transmit a packet. 722 */ 723 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 724 sc->tulip_probe_media = TULIP_MEDIA_MAX; 725 sc->tulip_probe_timeout = 0; 726 tulip_timeout(sc); 727 return; 728 } 729 730 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 731 && (sc->tulip_features & TULIP_HAVE_MII)) { 732 tulip_media_t old_media = sc->tulip_probe_media; 733 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 734 switch (sc->tulip_probe_state) { 735 case TULIP_PROBE_FAILED: 736 case TULIP_PROBE_MEDIATEST: { 737 /* 738 * Try the next media. 739 */ 740 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 741 sc->tulip_probe_timeout = 0; 742 #ifdef notyet 743 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 744 break; 745 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 746 break; 747 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 748 #endif 749 break; 750 } 751 case TULIP_PROBE_PHYAUTONEG: { 752 return; 753 } 754 case TULIP_PROBE_INACTIVE: { 755 /* 756 * Only probe if we autonegotiated a media that hasn't failed. 757 */ 758 sc->tulip_probe_timeout = 0; 759 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 760 sc->tulip_probe_media = old_media; 761 break; 762 } 763 tulip_linkup(sc, sc->tulip_probe_media); 764 tulip_timeout(sc); 765 return; 766 } 767 default: { 768 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 769 panic("tulip_media_poll: botch at line %d\n", __LINE__); 770 #endif 771 break; 772 } 773 } 774 } 775 776 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 777 #if defined(TULIP_DEBUG) 778 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 779 #endif 780 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 781 return; 782 } 783 784 /* 785 * switch to another media if we tried this one enough. 786 */ 787 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 788 #if defined(TULIP_DEBUG) 789 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 790 printf("%s%d: poll media unknown!\n", 791 sc->tulip_name, sc->tulip_unit); 792 sc->tulip_probe_media = TULIP_MEDIA_MAX; 793 } 794 #endif 795 /* 796 * Find the next media type to check for. Full Duplex 797 * types are not allowed. 798 */ 799 do { 800 sc->tulip_probe_media -= 1; 801 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 802 if (++sc->tulip_probe_passes == 3) { 803 printf("%s%d: autosense failed: cable problem?\n", 804 sc->tulip_name, sc->tulip_unit); 805 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 806 sc->tulip_if.if_flags &= ~IFF_RUNNING; 807 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 808 return; 809 } 810 } 811 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 812 sc->tulip_probe_mediamask = 0; 813 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 814 } 815 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 816 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 817 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 818 819 #if defined(TULIP_DEBUG) 820 printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit, 821 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 822 tulip_mediums[sc->tulip_probe_media]); 823 #endif 824 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 825 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 826 sc->tulip_probe.probe_txprobes = 0; 827 tulip_reset(sc); 828 tulip_media_set(sc, sc->tulip_probe_media); 829 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 830 } 831 tulip_timeout(sc); 832 833 /* 834 * If this is hanging off a phy, we know are doing NWAY and we have 835 * forced the phy to a specific speed. Wait for link up before 836 * before sending a packet. 837 */ 838 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 839 case TULIP_MEDIAINFO_MII: { 840 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 841 return; 842 break; 843 } 844 case TULIP_MEDIAINFO_SIA: { 845 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 846 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 847 return; 848 tulip_linkup(sc, sc->tulip_probe_media); 849 #ifdef notyet 850 if (sc->tulip_features & TULIP_HAVE_MII) 851 tulip_timeout(sc); 852 #endif 853 return; 854 } 855 break; 856 } 857 case TULIP_MEDIAINFO_RESET: 858 case TULIP_MEDIAINFO_SYM: 859 case TULIP_MEDIAINFO_NONE: 860 case TULIP_MEDIAINFO_GPR: { 861 break; 862 } 863 } 864 /* 865 * Try to send a packet. 866 */ 867 tulip_txprobe(sc); 868 } 869 870 static void 871 tulip_media_select( 872 tulip_softc_t * const sc) 873 { 874 if (sc->tulip_features & TULIP_HAVE_GPR) { 875 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 876 DELAY(10); 877 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 878 } 879 /* 880 * If this board has no media, just return 881 */ 882 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 883 return; 884 885 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 886 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 887 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 888 } else { 889 tulip_media_set(sc, sc->tulip_media); 890 } 891 } 892 893 static void 894 tulip_21040_mediainfo_init( 895 tulip_softc_t * const sc, 896 tulip_media_t media) 897 { 898 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 899 |TULIP_CMD_BACKOFFCTR; 900 sc->tulip_if.if_baudrate = 10000000; 901 902 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 903 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 904 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 905 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 906 } 907 908 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 909 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 910 } 911 912 if (media == TULIP_MEDIA_UNKNOWN) { 913 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 914 } 915 } 916 917 static void 918 tulip_21040_media_probe( 919 tulip_softc_t * const sc) 920 { 921 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 922 return; 923 } 924 925 static void 926 tulip_21040_10baset_only_media_probe( 927 tulip_softc_t * const sc) 928 { 929 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 930 tulip_media_set(sc, TULIP_MEDIA_10BASET); 931 sc->tulip_media = TULIP_MEDIA_10BASET; 932 } 933 934 static void 935 tulip_21040_10baset_only_media_select( 936 tulip_softc_t * const sc) 937 { 938 sc->tulip_flags |= TULIP_LINKUP; 939 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 940 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 941 sc->tulip_flags &= ~TULIP_SQETEST; 942 } else { 943 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 944 sc->tulip_flags |= TULIP_SQETEST; 945 } 946 tulip_media_set(sc, sc->tulip_media); 947 } 948 949 static void 950 tulip_21040_auibnc_only_media_probe( 951 tulip_softc_t * const sc) 952 { 953 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 954 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 955 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 956 sc->tulip_media = TULIP_MEDIA_AUIBNC; 957 } 958 959 static void 960 tulip_21040_auibnc_only_media_select( 961 tulip_softc_t * const sc) 962 { 963 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 964 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 965 } 966 967 static const tulip_boardsw_t tulip_21040_boardsw = { 968 TULIP_21040_GENERIC, 969 tulip_21040_media_probe, 970 tulip_media_select, 971 tulip_media_poll, 972 }; 973 974 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 975 TULIP_21040_GENERIC, 976 tulip_21040_10baset_only_media_probe, 977 tulip_21040_10baset_only_media_select, 978 NULL, 979 }; 980 981 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 982 TULIP_21040_GENERIC, 983 tulip_21040_auibnc_only_media_probe, 984 tulip_21040_auibnc_only_media_select, 985 NULL, 986 }; 987 988 static void 989 tulip_21041_mediainfo_init( 990 tulip_softc_t * const sc) 991 { 992 tulip_media_info_t * const mi = sc->tulip_mediainfo; 993 994 #ifdef notyet 995 if (sc->tulip_revinfo >= 0x20) { 996 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 997 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 998 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 999 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1000 return; 1001 } 1002 #endif 1003 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1004 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1005 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1006 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1007 } 1008 1009 static void 1010 tulip_21041_media_probe( 1011 tulip_softc_t * const sc) 1012 { 1013 sc->tulip_if.if_baudrate = 10000000; 1014 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1015 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1016 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1017 tulip_21041_mediainfo_init(sc); 1018 } 1019 1020 static void 1021 tulip_21041_media_poll( 1022 tulip_softc_t * const sc, 1023 const tulip_mediapoll_event_t event) 1024 { 1025 u_int32_t sia_status; 1026 1027 #if defined(TULIP_DEBUG) 1028 sc->tulip_dbg.dbg_events[event]++; 1029 #endif 1030 1031 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1032 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1033 || !TULIP_DO_AUTOSENSE(sc)) 1034 return; 1035 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1036 tulip_reset(sc); /* start probe */ 1037 return; 1038 } 1039 1040 /* 1041 * If we've been been asked to start a poll or link change interrupt 1042 * restart the probe (and reset the tulip to a known state). 1043 */ 1044 if (event == TULIP_MEDIAPOLL_START) { 1045 sc->tulip_if.if_flags |= IFF_OACTIVE; 1046 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1047 #ifdef notyet 1048 if (sc->tulip_revinfo >= 0x20) { 1049 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1050 sc->tulip_flags |= TULIP_DIDNWAY; 1051 } 1052 #endif 1053 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1054 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1055 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1056 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1057 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1058 tulip_timeout(sc); 1059 return; 1060 } 1061 1062 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1063 return; 1064 1065 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1066 #if defined(TULIP_DEBUG) 1067 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1068 #endif 1069 tulip_linkup(sc, sc->tulip_probe_media); 1070 return; 1071 } 1072 1073 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1074 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1075 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1076 if (sc->tulip_revinfo >= 0x20) { 1077 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1078 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1079 } 1080 /* 1081 * If the link has passed LinkPass, 10baseT is the 1082 * proper media to use. 1083 */ 1084 tulip_linkup(sc, sc->tulip_probe_media); 1085 return; 1086 } 1087 1088 /* 1089 * wait for up to 2.4 seconds for the link to reach pass state. 1090 * Only then start scanning the other media for activity. 1091 * choose media with receive activity over those without. 1092 */ 1093 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1094 if (event != TULIP_MEDIAPOLL_TIMER) 1095 return; 1096 if (sc->tulip_probe_timeout > 0 1097 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1098 tulip_timeout(sc); 1099 return; 1100 } 1101 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1102 sc->tulip_flags |= TULIP_WANTRXACT; 1103 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1104 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1105 } else { 1106 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1107 } 1108 tulip_media_set(sc, sc->tulip_probe_media); 1109 tulip_timeout(sc); 1110 return; 1111 } 1112 1113 /* 1114 * If we failed, clear the txprobe active flag. 1115 */ 1116 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1117 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1118 1119 1120 if (event == TULIP_MEDIAPOLL_TIMER) { 1121 /* 1122 * If we've received something, then that's our link! 1123 */ 1124 if (sc->tulip_flags & TULIP_RXACT) { 1125 tulip_linkup(sc, sc->tulip_probe_media); 1126 return; 1127 } 1128 /* 1129 * if no txprobe active 1130 */ 1131 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1132 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1133 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1134 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1135 tulip_txprobe(sc); 1136 tulip_timeout(sc); 1137 return; 1138 } 1139 /* 1140 * Take 2 passes through before deciding to not 1141 * wait for receive activity. Then take another 1142 * two passes before spitting out a warning. 1143 */ 1144 if (sc->tulip_probe_timeout <= 0) { 1145 if (sc->tulip_flags & TULIP_WANTRXACT) { 1146 sc->tulip_flags &= ~TULIP_WANTRXACT; 1147 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1148 } else { 1149 printf("%s%d: autosense failed: cable problem?\n", 1150 sc->tulip_name, sc->tulip_unit); 1151 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1152 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1153 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1154 return; 1155 } 1156 } 1157 } 1158 } 1159 1160 /* 1161 * Since this media failed to probe, try the other one. 1162 */ 1163 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1164 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1165 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1166 } else { 1167 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1168 } 1169 tulip_media_set(sc, sc->tulip_probe_media); 1170 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1171 tulip_timeout(sc); 1172 } 1173 1174 static const tulip_boardsw_t tulip_21041_boardsw = { 1175 TULIP_21041_GENERIC, 1176 tulip_21041_media_probe, 1177 tulip_media_select, 1178 tulip_21041_media_poll 1179 }; 1180 1181 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1182 { 0x20005c00, 0, /* 08-00-17 */ 1183 { 1184 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1185 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1186 }, 1187 #if defined(TULIP_DEBUG) 1188 "NS DP83840", 1189 #endif 1190 }, 1191 { 0x0281F400, 0, /* 00-A0-7D */ 1192 { 1193 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1194 { }, /* 100TX */ 1195 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1196 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1197 }, 1198 #if defined(TULIP_DEBUG) 1199 "Seeq 80C240" 1200 #endif 1201 }, 1202 #if 0 1203 { 0x0015F420, 0, /* 00-A0-7D */ 1204 { 1205 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1206 { }, /* 100TX */ 1207 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1208 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1209 }, 1210 #if defined(TULIP_DEBUG) 1211 "Broadcom BCM5000" 1212 #endif 1213 }, 1214 #endif 1215 { 0x0281F400, 0, /* 00-A0-BE */ 1216 { 1217 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1218 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1219 { }, /* 100T4 */ 1220 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1221 }, 1222 #if defined(TULIP_DEBUG) 1223 "ICS 1890" 1224 #endif 1225 }, 1226 { 0 } 1227 }; 1228 1229 static tulip_media_t 1230 tulip_mii_phy_readspecific( 1231 tulip_softc_t * const sc) 1232 { 1233 const tulip_phy_attr_t *attr; 1234 u_int16_t data; 1235 u_int32_t id; 1236 unsigned idx = 0; 1237 static const tulip_media_t table[] = { 1238 TULIP_MEDIA_UNKNOWN, 1239 TULIP_MEDIA_10BASET, 1240 TULIP_MEDIA_100BASETX, 1241 TULIP_MEDIA_100BASET4, 1242 TULIP_MEDIA_UNKNOWN, 1243 TULIP_MEDIA_10BASET_FD, 1244 TULIP_MEDIA_100BASETX_FD, 1245 TULIP_MEDIA_UNKNOWN 1246 }; 1247 1248 /* 1249 * Don't read phy specific registers if link is not up. 1250 */ 1251 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1252 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1253 return TULIP_MEDIA_UNKNOWN; 1254 1255 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1256 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1257 for (attr = tulip_mii_phy_attrlist;; attr++) { 1258 if (attr->attr_id == 0) 1259 return TULIP_MEDIA_UNKNOWN; 1260 if ((id & ~0x0F) == attr->attr_id) 1261 break; 1262 } 1263 1264 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1265 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1266 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1267 if ((data & pm->pm_mask) == pm->pm_value) 1268 idx = 2; 1269 } 1270 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1271 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1272 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1273 if ((data & pm->pm_mask) == pm->pm_value) 1274 idx = 3; 1275 } 1276 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1277 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1278 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1279 if ((data & pm->pm_mask) == pm->pm_value) 1280 idx = 1; 1281 } 1282 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1283 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1284 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1285 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1286 } 1287 return table[idx]; 1288 } 1289 1290 static unsigned 1291 tulip_mii_get_phyaddr( 1292 tulip_softc_t * const sc, 1293 unsigned offset) 1294 { 1295 unsigned phyaddr; 1296 1297 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1298 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1299 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1300 continue; 1301 if (offset == 0) 1302 return phyaddr; 1303 offset--; 1304 } 1305 if (offset == 0) { 1306 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1307 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1308 return TULIP_MII_NOPHY; 1309 return 0; 1310 } 1311 return TULIP_MII_NOPHY; 1312 } 1313 1314 static int 1315 tulip_mii_map_abilities( 1316 tulip_softc_t * const sc, 1317 unsigned abilities) 1318 { 1319 sc->tulip_abilities = abilities; 1320 if (abilities & PHYSTS_100BASETX_FD) { 1321 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1322 } else if (abilities & PHYSTS_100BASET4) { 1323 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1324 } else if (abilities & PHYSTS_100BASETX) { 1325 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1326 } else if (abilities & PHYSTS_10BASET_FD) { 1327 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1328 } else if (abilities & PHYSTS_10BASET) { 1329 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1330 } else { 1331 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1332 return 0; 1333 } 1334 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1335 return 1; 1336 } 1337 1338 static void 1339 tulip_mii_autonegotiate( 1340 tulip_softc_t * const sc, 1341 const unsigned phyaddr) 1342 { 1343 switch (sc->tulip_probe_state) { 1344 case TULIP_PROBE_MEDIATEST: 1345 case TULIP_PROBE_INACTIVE: { 1346 sc->tulip_flags |= TULIP_DIDNWAY; 1347 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1348 sc->tulip_probe_timeout = 3000; 1349 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1350 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1351 /* FALL THROUGH */ 1352 } 1353 case TULIP_PROBE_PHYRESET: { 1354 u_int32_t status; 1355 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1356 if (data & PHYCTL_RESET) { 1357 if (sc->tulip_probe_timeout > 0) { 1358 tulip_timeout(sc); 1359 return; 1360 } 1361 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1362 sc->tulip_name, sc->tulip_unit, phyaddr); 1363 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1364 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1365 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1366 return; 1367 } 1368 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1369 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1370 #if defined(TULIP_DEBUG) 1371 loudprintf("%s%d(phy%d): autonegotiation disabled\n", 1372 sc->tulip_name, sc->tulip_unit, phyaddr); 1373 #endif 1374 sc->tulip_flags &= ~TULIP_DIDNWAY; 1375 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1376 return; 1377 } 1378 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1379 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1380 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1381 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1382 #if defined(TULIP_DEBUG) 1383 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1384 loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1385 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1386 else 1387 loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n", 1388 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1389 sc->tulip_dbg.dbg_nway_starts++; 1390 #endif 1391 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1392 sc->tulip_probe_timeout = 3000; 1393 /* FALL THROUGH */ 1394 } 1395 case TULIP_PROBE_PHYAUTONEG: { 1396 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1397 u_int32_t data; 1398 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1399 if (sc->tulip_probe_timeout > 0) { 1400 tulip_timeout(sc); 1401 return; 1402 } 1403 #if defined(TULIP_DEBUG) 1404 loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1405 sc->tulip_name, sc->tulip_unit, phyaddr, status, 1406 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1407 #endif 1408 sc->tulip_flags &= ~TULIP_DIDNWAY; 1409 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1410 return; 1411 } 1412 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1413 #if defined(TULIP_DEBUG) 1414 loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n", 1415 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1416 #endif 1417 data = (data << 6) & status; 1418 if (!tulip_mii_map_abilities(sc, data)) 1419 sc->tulip_flags &= ~TULIP_DIDNWAY; 1420 return; 1421 } 1422 default: { 1423 #if defined(DIAGNOSTIC) 1424 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1425 #endif 1426 break; 1427 } 1428 } 1429 #if defined(TULIP_DEBUG) 1430 loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n", 1431 sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state); 1432 sc->tulip_dbg.dbg_nway_failures++; 1433 #endif 1434 } 1435 1436 static void 1437 tulip_2114x_media_preset( 1438 tulip_softc_t * const sc) 1439 { 1440 const tulip_media_info_t *mi = NULL; 1441 tulip_media_t media = sc->tulip_media; 1442 1443 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1444 media = sc->tulip_media; 1445 else 1446 media = sc->tulip_probe_media; 1447 1448 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1449 sc->tulip_flags &= ~TULIP_SQETEST; 1450 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1451 #if defined(TULIP_DEBUG) 1452 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1453 #endif 1454 mi = sc->tulip_mediums[media]; 1455 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1456 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1457 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1458 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1459 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1460 sc->tulip_cmdmode |= mi->mi_cmdmode; 1461 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1462 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1463 } 1464 #if defined(TULIP_DEBUG) 1465 } else { 1466 printf("%s%d: preset: bad media %d!\n", 1467 sc->tulip_name, sc->tulip_unit, media); 1468 } 1469 #endif 1470 } 1471 switch (media) { 1472 case TULIP_MEDIA_BNC: 1473 case TULIP_MEDIA_AUI: 1474 case TULIP_MEDIA_10BASET: { 1475 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1476 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1477 sc->tulip_if.if_baudrate = 10000000; 1478 sc->tulip_flags |= TULIP_SQETEST; 1479 break; 1480 } 1481 case TULIP_MEDIA_10BASET_FD: { 1482 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1483 sc->tulip_if.if_baudrate = 10000000; 1484 break; 1485 } 1486 case TULIP_MEDIA_100BASEFX: 1487 case TULIP_MEDIA_100BASET4: 1488 case TULIP_MEDIA_100BASETX: { 1489 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1490 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1491 sc->tulip_if.if_baudrate = 100000000; 1492 break; 1493 } 1494 case TULIP_MEDIA_100BASEFX_FD: 1495 case TULIP_MEDIA_100BASETX_FD: { 1496 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1497 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1498 sc->tulip_if.if_baudrate = 100000000; 1499 break; 1500 } 1501 default: { 1502 break; 1503 } 1504 } 1505 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1506 } 1507 1508 /* 1509 ******************************************************************** 1510 * Start of 21140/21140A support which does not use the MII interface 1511 */ 1512 1513 static void 1514 tulip_null_media_poll( 1515 tulip_softc_t * const sc, 1516 tulip_mediapoll_event_t event) 1517 { 1518 #if defined(TULIP_DEBUG) 1519 sc->tulip_dbg.dbg_events[event]++; 1520 #endif 1521 #if defined(DIAGNOSTIC) 1522 printf("%s%d: botch(media_poll) at line %d\n", 1523 sc->tulip_name, sc->tulip_unit, __LINE__); 1524 #endif 1525 } 1526 1527 __inline__ static void 1528 tulip_21140_mediainit( 1529 tulip_softc_t * const sc, 1530 tulip_media_info_t * const mip, 1531 tulip_media_t const media, 1532 unsigned gpdata, 1533 unsigned cmdmode) 1534 { 1535 sc->tulip_mediums[media] = mip; 1536 mip->mi_type = TULIP_MEDIAINFO_GPR; 1537 mip->mi_cmdmode = cmdmode; 1538 mip->mi_gpdata = gpdata; 1539 } 1540 1541 static void 1542 tulip_21140_evalboard_media_probe( 1543 tulip_softc_t * const sc) 1544 { 1545 tulip_media_info_t *mip = sc->tulip_mediainfo; 1546 1547 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1548 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1549 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1550 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1551 TULIP_CSR_WRITE(sc, csr_command, 1552 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1553 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1554 TULIP_CSR_WRITE(sc, csr_command, 1555 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1556 DELAY(1000000); 1557 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1558 sc->tulip_media = TULIP_MEDIA_10BASET; 1559 } else { 1560 sc->tulip_media = TULIP_MEDIA_100BASETX; 1561 } 1562 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1563 TULIP_GP_EB_INIT, 1564 TULIP_CMD_TXTHRSHLDCTL); 1565 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1566 TULIP_GP_EB_INIT, 1567 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1568 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1569 TULIP_GP_EB_INIT, 1570 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1571 |TULIP_CMD_SCRAMBLER); 1572 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1573 TULIP_GP_EB_INIT, 1574 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1575 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1576 } 1577 1578 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1579 TULIP_21140_DEC_EB, 1580 tulip_21140_evalboard_media_probe, 1581 tulip_media_select, 1582 tulip_null_media_poll, 1583 tulip_2114x_media_preset, 1584 }; 1585 1586 static void 1587 tulip_21140_accton_media_probe( 1588 tulip_softc_t * const sc) 1589 { 1590 tulip_media_info_t *mip = sc->tulip_mediainfo; 1591 unsigned gpdata; 1592 1593 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1594 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1595 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1596 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1597 TULIP_CSR_WRITE(sc, csr_command, 1598 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1599 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1600 TULIP_CSR_WRITE(sc, csr_command, 1601 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1602 DELAY(1000000); 1603 gpdata = TULIP_CSR_READ(sc, csr_gp); 1604 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1605 sc->tulip_media = TULIP_MEDIA_10BASET; 1606 } else { 1607 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1608 sc->tulip_media = TULIP_MEDIA_BNC; 1609 } else { 1610 sc->tulip_media = TULIP_MEDIA_100BASETX; 1611 } 1612 } 1613 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1614 TULIP_GP_EN1207_BNC_INIT, 1615 TULIP_CMD_TXTHRSHLDCTL); 1616 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1617 TULIP_GP_EN1207_UTP_INIT, 1618 TULIP_CMD_TXTHRSHLDCTL); 1619 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1620 TULIP_GP_EN1207_UTP_INIT, 1621 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1622 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1623 TULIP_GP_EN1207_100_INIT, 1624 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1625 |TULIP_CMD_SCRAMBLER); 1626 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1627 TULIP_GP_EN1207_100_INIT, 1628 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1629 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1630 } 1631 1632 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1633 TULIP_21140_EN1207, 1634 tulip_21140_accton_media_probe, 1635 tulip_media_select, 1636 tulip_null_media_poll, 1637 tulip_2114x_media_preset, 1638 }; 1639 1640 static void 1641 tulip_21140_smc9332_media_probe( 1642 tulip_softc_t * const sc) 1643 { 1644 tulip_media_info_t *mip = sc->tulip_mediainfo; 1645 int idx, cnt = 0; 1646 1647 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1648 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1649 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1650 33MHz that comes to two microseconds but wait a 1651 bit longer anyways) */ 1652 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1653 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1654 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1655 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1656 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1657 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1658 DELAY(200000); 1659 for (idx = 1000; idx > 0; idx--) { 1660 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1661 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1662 if (++cnt > 100) 1663 break; 1664 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1665 break; 1666 } else { 1667 cnt = 0; 1668 } 1669 DELAY(1000); 1670 } 1671 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1672 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1673 TULIP_GP_SMC_9332_INIT, 1674 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1675 |TULIP_CMD_SCRAMBLER); 1676 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1677 TULIP_GP_SMC_9332_INIT, 1678 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1679 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1680 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1681 TULIP_GP_SMC_9332_INIT, 1682 TULIP_CMD_TXTHRSHLDCTL); 1683 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1684 TULIP_GP_SMC_9332_INIT, 1685 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1686 } 1687 1688 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1689 TULIP_21140_SMC_9332, 1690 tulip_21140_smc9332_media_probe, 1691 tulip_media_select, 1692 tulip_null_media_poll, 1693 tulip_2114x_media_preset, 1694 }; 1695 1696 static void 1697 tulip_21140_cogent_em100_media_probe( 1698 tulip_softc_t * const sc) 1699 { 1700 tulip_media_info_t *mip = sc->tulip_mediainfo; 1701 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1702 1703 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1704 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1705 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1706 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1707 1708 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1709 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1710 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1711 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1712 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1713 1714 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1715 TULIP_GP_EM100_INIT, 1716 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1717 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1718 TULIP_GP_EM100_INIT, 1719 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1720 |TULIP_CMD_FULLDUPLEX); 1721 } else { 1722 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1723 sc->tulip_media = TULIP_MEDIA_100BASETX; 1724 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1725 TULIP_GP_EM100_INIT, 1726 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1727 |TULIP_CMD_SCRAMBLER); 1728 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1729 TULIP_GP_EM100_INIT, 1730 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1731 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1732 } 1733 } 1734 1735 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1736 TULIP_21140_COGENT_EM100, 1737 tulip_21140_cogent_em100_media_probe, 1738 tulip_media_select, 1739 tulip_null_media_poll, 1740 tulip_2114x_media_preset 1741 }; 1742 1743 static void 1744 tulip_21140_znyx_zx34x_media_probe( 1745 tulip_softc_t * const sc) 1746 { 1747 tulip_media_info_t *mip = sc->tulip_mediainfo; 1748 int cnt10 = 0, cnt100 = 0, idx; 1749 1750 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1751 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1752 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1753 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1754 TULIP_CSR_WRITE(sc, csr_command, 1755 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1756 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1757 TULIP_CSR_WRITE(sc, csr_command, 1758 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1759 1760 DELAY(200000); 1761 for (idx = 1000; idx > 0; idx--) { 1762 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1763 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)) { 1764 if (++cnt100 > 100) 1765 break; 1766 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1767 if (++cnt10 > 100) 1768 break; 1769 } else { 1770 cnt10 = 0; 1771 cnt100 = 0; 1772 } 1773 DELAY(1000); 1774 } 1775 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1776 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1777 TULIP_GP_ZX34X_INIT, 1778 TULIP_CMD_TXTHRSHLDCTL); 1779 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1780 TULIP_GP_ZX34X_INIT, 1781 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1782 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1783 TULIP_GP_ZX34X_INIT, 1784 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1785 |TULIP_CMD_SCRAMBLER); 1786 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1787 TULIP_GP_ZX34X_INIT, 1788 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1789 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1790 } 1791 1792 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1793 TULIP_21140_ZNYX_ZX34X, 1794 tulip_21140_znyx_zx34x_media_probe, 1795 tulip_media_select, 1796 tulip_null_media_poll, 1797 tulip_2114x_media_preset, 1798 }; 1799 1800 static void 1801 tulip_2114x_media_probe( 1802 tulip_softc_t * const sc) 1803 { 1804 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1805 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1806 } 1807 1808 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1809 TULIP_21140_ISV, 1810 tulip_2114x_media_probe, 1811 tulip_media_select, 1812 tulip_media_poll, 1813 tulip_2114x_media_preset, 1814 }; 1815 1816 /* 1817 * ******** END of chip-specific handlers. *********** 1818 */ 1819 1820 /* 1821 * Code the read the SROM and MII bit streams (I2C) 1822 */ 1823 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1824 1825 static void 1826 tulip_srom_idle( 1827 tulip_softc_t * const sc) 1828 { 1829 unsigned bit, csr; 1830 1831 csr = SROMSEL ; EMIT; 1832 csr = SROMSEL | SROMRD; EMIT; 1833 csr ^= SROMCS; EMIT; 1834 csr ^= SROMCLKON; EMIT; 1835 1836 /* 1837 * Write 25 cycles of 0 which will force the SROM to be idle. 1838 */ 1839 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1840 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1841 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1842 } 1843 csr ^= SROMCLKOFF; EMIT; 1844 csr ^= SROMCS; EMIT; 1845 csr = 0; EMIT; 1846 } 1847 1848 1849 static void 1850 tulip_srom_read( 1851 tulip_softc_t * const sc) 1852 { 1853 unsigned idx; 1854 const unsigned bitwidth = SROM_BITWIDTH; 1855 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1856 const unsigned msb = 1 << (bitwidth + 3 - 1); 1857 unsigned lastidx = (1 << bitwidth) - 1; 1858 1859 tulip_srom_idle(sc); 1860 1861 for (idx = 0; idx <= lastidx; idx++) { 1862 unsigned lastbit, data, bits, bit, csr; 1863 csr = SROMSEL ; EMIT; 1864 csr = SROMSEL | SROMRD; EMIT; 1865 csr ^= SROMCSON; EMIT; 1866 csr ^= SROMCLKON; EMIT; 1867 1868 lastbit = 0; 1869 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1870 const unsigned thisbit = bits & msb; 1871 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1872 if (thisbit != lastbit) { 1873 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1874 } else { 1875 EMIT; 1876 } 1877 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1878 lastbit = thisbit; 1879 } 1880 csr ^= SROMCLKOFF; EMIT; 1881 1882 for (data = 0, bits = 0; bits < 16; bits++) { 1883 data <<= 1; 1884 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1885 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1886 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1887 } 1888 sc->tulip_rombuf[idx*2] = data & 0xFF; 1889 sc->tulip_rombuf[idx*2+1] = data >> 8; 1890 csr = SROMSEL | SROMRD; EMIT; 1891 csr = 0; EMIT; 1892 } 1893 tulip_srom_idle(sc); 1894 } 1895 1896 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1897 1898 static void 1899 tulip_mii_writebits( 1900 tulip_softc_t * const sc, 1901 unsigned data, 1902 unsigned bits) 1903 { 1904 unsigned msb = 1 << (bits - 1); 1905 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1906 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1907 1908 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1909 1910 for (; bits > 0; bits--, data <<= 1) { 1911 const unsigned thisbit = data & msb; 1912 if (thisbit != lastbit) { 1913 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1914 } 1915 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1916 lastbit = thisbit; 1917 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1918 } 1919 } 1920 1921 static void 1922 tulip_mii_turnaround( 1923 tulip_softc_t * const sc, 1924 unsigned cmd) 1925 { 1926 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1927 1928 if (cmd == MII_WRCMD) { 1929 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1930 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1931 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1932 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1933 } else { 1934 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1935 } 1936 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1937 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1938 } 1939 1940 static unsigned 1941 tulip_mii_readbits( 1942 tulip_softc_t * const sc) 1943 { 1944 unsigned data; 1945 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1946 int idx; 1947 1948 for (idx = 0, data = 0; idx < 16; idx++) { 1949 data <<= 1; /* this is NOOP on the first pass through */ 1950 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1951 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1952 data |= 1; 1953 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1954 } 1955 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1956 1957 return data; 1958 } 1959 1960 static unsigned 1961 tulip_mii_readreg( 1962 tulip_softc_t * const sc, 1963 unsigned devaddr, 1964 unsigned regno) 1965 { 1966 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1967 unsigned data; 1968 1969 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1970 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1971 tulip_mii_writebits(sc, MII_RDCMD, 8); 1972 tulip_mii_writebits(sc, devaddr, 5); 1973 tulip_mii_writebits(sc, regno, 5); 1974 tulip_mii_turnaround(sc, MII_RDCMD); 1975 1976 data = tulip_mii_readbits(sc); 1977 #if defined(TULIP_DEBUG) 1978 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1979 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1980 #endif 1981 return data; 1982 } 1983 1984 static void 1985 tulip_mii_writereg( 1986 tulip_softc_t * const sc, 1987 unsigned devaddr, 1988 unsigned regno, 1989 unsigned data) 1990 { 1991 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1992 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1993 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1994 tulip_mii_writebits(sc, MII_WRCMD, 8); 1995 tulip_mii_writebits(sc, devaddr, 5); 1996 tulip_mii_writebits(sc, regno, 5); 1997 tulip_mii_turnaround(sc, MII_WRCMD); 1998 tulip_mii_writebits(sc, data, 16); 1999 #if defined(TULIP_DEBUG) 2000 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2001 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2002 #endif 2003 } 2004 2005 #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2006 #define tulip_srom_crcok(databuf) ( \ 2007 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2008 ((databuf)[126] | ((databuf)[127] << 8))) 2009 2010 static unsigned 2011 tulip_crc32( 2012 const unsigned char *databuf, 2013 size_t datalen) 2014 { 2015 u_int idx, crc = 0xFFFFFFFFUL; 2016 static const u_int crctab[] = { 2017 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2018 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2019 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2020 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2021 }; 2022 2023 for (idx = 0; idx < datalen; idx++) { 2024 crc ^= *databuf++; 2025 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2026 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2027 } 2028 return crc; 2029 } 2030 2031 static void 2032 tulip_identify_dec_nic( 2033 tulip_softc_t * const sc) 2034 { 2035 strcpy(sc->tulip_boardid, "DEC "); 2036 #define D0 4 2037 if (sc->tulip_chipid <= TULIP_21040) 2038 return; 2039 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2040 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2041 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2042 sc->tulip_boardid[D0+8] = ' '; 2043 } 2044 #undef D0 2045 } 2046 2047 static void 2048 tulip_identify_znyx_nic( 2049 tulip_softc_t * const sc) 2050 { 2051 unsigned id = 0; 2052 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2053 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2054 unsigned znyx_ptr; 2055 sc->tulip_boardid[8] = '4'; 2056 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2057 if (znyx_ptr < 26 || znyx_ptr > 116) { 2058 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2059 return; 2060 } 2061 /* ZX344 = 0010 .. 0013FF 2062 */ 2063 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2064 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2065 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2066 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2067 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2068 sc->tulip_boardid[9] = '2'; 2069 if (id == TULIP_ZNYX_ID_ZX342B) { 2070 sc->tulip_boardid[10] = 'B'; 2071 sc->tulip_boardid[11] = ' '; 2072 } 2073 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2074 } else if (id == TULIP_ZNYX_ID_ZX344) { 2075 sc->tulip_boardid[10] = '4'; 2076 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2077 } else if (id == TULIP_ZNYX_ID_ZX345) { 2078 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2079 } else if (id == TULIP_ZNYX_ID_ZX346) { 2080 sc->tulip_boardid[9] = '6'; 2081 } else if (id == TULIP_ZNYX_ID_ZX351) { 2082 sc->tulip_boardid[8] = '5'; 2083 sc->tulip_boardid[9] = '1'; 2084 } 2085 } 2086 if (id == 0) { 2087 /* 2088 * Assume it's a ZX342... 2089 */ 2090 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2091 } 2092 return; 2093 } 2094 sc->tulip_boardid[8] = '1'; 2095 if (sc->tulip_chipid == TULIP_21041) { 2096 sc->tulip_boardid[10] = '1'; 2097 return; 2098 } 2099 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2100 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2101 if (id == TULIP_ZNYX_ID_ZX312T) { 2102 sc->tulip_boardid[9] = '2'; 2103 sc->tulip_boardid[10] = 'T'; 2104 sc->tulip_boardid[11] = ' '; 2105 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2106 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2107 sc->tulip_boardid[9] = '4'; 2108 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2109 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2110 } else if (id == TULIP_ZNYX_ID_ZX314) { 2111 sc->tulip_boardid[9] = '4'; 2112 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2113 sc->tulip_features |= TULIP_HAVE_BASEROM; 2114 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2115 sc->tulip_boardid[9] = '5'; 2116 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2117 } else if (id == TULIP_ZNYX_ID_ZX315) { 2118 sc->tulip_boardid[9] = '5'; 2119 sc->tulip_features |= TULIP_HAVE_BASEROM; 2120 } else { 2121 id = 0; 2122 } 2123 } 2124 if (id == 0) { 2125 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2126 sc->tulip_boardid[9] = '4'; 2127 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2128 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2129 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2130 sc->tulip_boardid[9] = '5'; 2131 sc->tulip_boardsw = &tulip_21040_boardsw; 2132 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2133 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2134 sc->tulip_boardid[9] = '2'; 2135 sc->tulip_boardsw = &tulip_21040_boardsw; 2136 } 2137 } 2138 } 2139 2140 static void 2141 tulip_identify_smc_nic( 2142 tulip_softc_t * const sc) 2143 { 2144 u_int32_t id1, id2, ei; 2145 int auibnc = 0, utp = 0; 2146 char *cp; 2147 2148 strcpy(sc->tulip_boardid, "SMC "); 2149 if (sc->tulip_chipid == TULIP_21041) 2150 return; 2151 if (sc->tulip_chipid != TULIP_21040) { 2152 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2153 strcpy(&sc->tulip_boardid[4], "9332DST "); 2154 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2155 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2156 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2157 } else { 2158 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2159 } 2160 return; 2161 } 2162 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2163 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2164 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2165 2166 strcpy(&sc->tulip_boardid[4], "8432"); 2167 cp = &sc->tulip_boardid[8]; 2168 if ((id1 & 1) == 0) 2169 *cp++ = 'B', auibnc = 1; 2170 if ((id1 & 0xFF) > 0x32) 2171 *cp++ = 'T', utp = 1; 2172 if ((id1 & 0x4000) == 0) 2173 *cp++ = 'A', auibnc = 1; 2174 if (id2 == 0x15) { 2175 sc->tulip_boardid[7] = '4'; 2176 *cp++ = '-'; 2177 *cp++ = 'C'; 2178 *cp++ = 'H'; 2179 *cp++ = (ei ? '2' : '1'); 2180 } 2181 *cp++ = ' '; 2182 *cp = '\0'; 2183 if (utp && !auibnc) 2184 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2185 else if (!utp && auibnc) 2186 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2187 } 2188 2189 static void 2190 tulip_identify_cogent_nic( 2191 tulip_softc_t * const sc) 2192 { 2193 strcpy(sc->tulip_boardid, "Cogent "); 2194 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2195 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2196 strcat(sc->tulip_boardid, "EM100TX "); 2197 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2198 #if defined(TULIP_COGENT_EM110TX_ID) 2199 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2200 strcat(sc->tulip_boardid, "EM110TX "); 2201 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2202 #endif 2203 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2204 strcat(sc->tulip_boardid, "EM100FX "); 2205 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2206 } 2207 /* 2208 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2209 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2210 */ 2211 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2212 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2213 /* 2214 * Cogent (Adaptec) is still mapping all INTs to INTA of 2215 * first 21140. Dumb! Dumb! 2216 */ 2217 strcat(sc->tulip_boardid, "EM440TX "); 2218 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2219 } 2220 } else if (sc->tulip_chipid == TULIP_21040) { 2221 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2222 } 2223 } 2224 2225 static void 2226 tulip_identify_accton_nic( 2227 tulip_softc_t * const sc) 2228 { 2229 strcpy(sc->tulip_boardid, "ACCTON "); 2230 switch (sc->tulip_chipid) { 2231 case TULIP_21140A: 2232 strcat(sc->tulip_boardid, "EN1207 "); 2233 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2234 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2235 break; 2236 case TULIP_21140: 2237 strcat(sc->tulip_boardid, "EN1207TX "); 2238 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2239 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2240 break; 2241 case TULIP_21040: 2242 strcat(sc->tulip_boardid, "EN1203 "); 2243 sc->tulip_boardsw = &tulip_21040_boardsw; 2244 break; 2245 case TULIP_21041: 2246 strcat(sc->tulip_boardid, "EN1203 "); 2247 sc->tulip_boardsw = &tulip_21041_boardsw; 2248 break; 2249 default: 2250 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2251 break; 2252 } 2253 } 2254 2255 static void 2256 tulip_identify_asante_nic( 2257 tulip_softc_t * const sc) 2258 { 2259 strcpy(sc->tulip_boardid, "Asante "); 2260 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2261 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2262 tulip_media_info_t *mi = sc->tulip_mediainfo; 2263 int idx; 2264 /* 2265 * The Asante Fast Ethernet doesn't always ship with a valid 2266 * new format SROM. So if isn't in the new format, we cheat 2267 * set it up as if we had. 2268 */ 2269 2270 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2271 sc->tulip_gpdata = 0; 2272 2273 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2274 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2275 DELAY(100); 2276 TULIP_CSR_WRITE(sc, csr_gp, 0); 2277 2278 mi->mi_type = TULIP_MEDIAINFO_MII; 2279 mi->mi_gpr_length = 0; 2280 mi->mi_gpr_offset = 0; 2281 mi->mi_reset_length = 0; 2282 mi->mi_reset_offset = 0;; 2283 2284 mi->mi_phyaddr = TULIP_MII_NOPHY; 2285 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2286 DELAY(10000); 2287 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2288 } 2289 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2290 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2291 return; 2292 } 2293 2294 sc->tulip_features |= TULIP_HAVE_MII; 2295 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2296 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2297 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2298 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2301 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2302 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2303 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2304 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2305 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2306 2307 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2308 } 2309 } 2310 2311 static void 2312 tulip_identify_compex_nic( 2313 tulip_softc_t * const sc) 2314 { 2315 strcpy(sc->tulip_boardid, "COMPEX "); 2316 if (sc->tulip_chipid == TULIP_21140A) { 2317 int root_unit; 2318 tulip_softc_t *root_sc = NULL; 2319 2320 strcat(sc->tulip_boardid, "400TX/PCI "); 2321 /* 2322 * All 4 chips on these boards share an interrupt. This code 2323 * copied from tulip_read_macaddr. 2324 */ 2325 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2326 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2327 root_sc = tulips[root_unit]; 2328 if (root_sc == NULL 2329 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2330 break; 2331 root_sc = NULL; 2332 } 2333 if (root_sc != NULL 2334 && root_sc->tulip_chipid == sc->tulip_chipid 2335 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2336 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2337 sc->tulip_slaves = root_sc->tulip_slaves; 2338 root_sc->tulip_slaves = sc; 2339 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2340 printf("\nCannot find master device for de%d interrupts", 2341 sc->tulip_unit); 2342 } 2343 } else { 2344 strcat(sc->tulip_boardid, "unknown "); 2345 } 2346 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2347 return; 2348 } 2349 2350 static int 2351 tulip_srom_decode( 2352 tulip_softc_t * const sc) 2353 { 2354 unsigned idx1, idx2, idx3; 2355 2356 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2357 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2358 tulip_srom_media_t srom_media; 2359 tulip_media_info_t *mi = sc->tulip_mediainfo; 2360 const u_int8_t *dp; 2361 u_int32_t leaf_offset, blocks, data; 2362 2363 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2364 if (shp->sh_adapter_count == 1) 2365 break; 2366 if (saip->sai_device == sc->tulip_pci_devno) 2367 break; 2368 } 2369 /* 2370 * Didn't find the right media block for this card. 2371 */ 2372 if (idx1 == shp->sh_adapter_count) 2373 return 0; 2374 2375 /* 2376 * Save the hardware address. 2377 */ 2378 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2379 /* 2380 * If this is a multiple port card, add the adapter index to the last 2381 * byte of the hardware address. (if it isn't multiport, adding 0 2382 * won't hurt. 2383 */ 2384 sc->tulip_enaddr[5] += idx1; 2385 2386 leaf_offset = saip->sai_leaf_offset_lowbyte 2387 + saip->sai_leaf_offset_highbyte * 256; 2388 dp = sc->tulip_rombuf + leaf_offset; 2389 2390 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2391 2392 for (idx2 = 0;; idx2++) { 2393 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2394 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2395 break; 2396 } 2397 sc->tulip_connidx = idx2; 2398 2399 if (sc->tulip_chipid == TULIP_21041) { 2400 blocks = *dp++; 2401 for (idx2 = 0; idx2 < blocks; idx2++) { 2402 tulip_media_t media; 2403 data = *dp++; 2404 srom_media = (tulip_srom_media_t) (data & 0x3F); 2405 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2406 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2407 break; 2408 } 2409 media = tulip_srom_mediums[idx3].sm_type; 2410 if (media != TULIP_MEDIA_UNKNOWN) { 2411 if (data & TULIP_SROM_21041_EXTENDED) { 2412 mi->mi_type = TULIP_MEDIAINFO_SIA; 2413 sc->tulip_mediums[media] = mi; 2414 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2415 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2416 mi->mi_sia_general = dp[4] + dp[5] * 256; 2417 mi++; 2418 } else { 2419 switch (media) { 2420 case TULIP_MEDIA_BNC: { 2421 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2422 mi++; 2423 break; 2424 } 2425 case TULIP_MEDIA_AUI: { 2426 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2427 mi++; 2428 break; 2429 } 2430 case TULIP_MEDIA_10BASET: { 2431 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2432 mi++; 2433 break; 2434 } 2435 case TULIP_MEDIA_10BASET_FD: { 2436 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2437 mi++; 2438 break; 2439 } 2440 default: { 2441 break; 2442 } 2443 } 2444 } 2445 } 2446 if (data & TULIP_SROM_21041_EXTENDED) 2447 dp += 6; 2448 } 2449 #ifdef notdef 2450 if (blocks == 0) { 2451 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2453 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2454 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2455 } 2456 #endif 2457 } else { 2458 unsigned length, type; 2459 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2460 if (sc->tulip_features & TULIP_HAVE_GPR) 2461 sc->tulip_gpinit = *dp++; 2462 blocks = *dp++; 2463 for (idx2 = 0; idx2 < blocks; idx2++) { 2464 const u_int8_t *ep; 2465 if ((*dp & 0x80) == 0) { 2466 length = 4; 2467 type = 0; 2468 } else { 2469 length = (*dp++ & 0x7f) - 1; 2470 type = *dp++ & 0x3f; 2471 } 2472 ep = dp + length; 2473 switch (type & 0x3f) { 2474 case 0: { /* 21140[A] GPR block */ 2475 tulip_media_t media; 2476 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2477 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2478 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2479 break; 2480 } 2481 media = tulip_srom_mediums[idx3].sm_type; 2482 if (media == TULIP_MEDIA_UNKNOWN) 2483 break; 2484 mi->mi_type = TULIP_MEDIAINFO_GPR; 2485 sc->tulip_mediums[media] = mi; 2486 mi->mi_gpdata = dp[1]; 2487 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2488 sc->tulip_gpdata = mi->mi_gpdata; 2489 gp_media = media; 2490 } 2491 data = dp[2] + dp[3] * 256; 2492 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2493 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2494 mi->mi_actmask = 0; 2495 } else { 2496 #if 0 2497 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2498 #endif 2499 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2500 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2501 } 2502 mi++; 2503 break; 2504 } 2505 case 1: { /* 21140[A] MII block */ 2506 const unsigned phyno = *dp++; 2507 mi->mi_type = TULIP_MEDIAINFO_MII; 2508 mi->mi_gpr_length = *dp++; 2509 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2510 dp += mi->mi_gpr_length; 2511 mi->mi_reset_length = *dp++; 2512 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2513 dp += mi->mi_reset_length; 2514 2515 /* 2516 * Before we probe for a PHY, use the GPR information 2517 * to select it. If we don't, it may be inaccessible. 2518 */ 2519 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2520 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2521 DELAY(10); 2522 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2523 } 2524 sc->tulip_phyaddr = mi->mi_phyaddr; 2525 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2526 DELAY(10); 2527 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2528 } 2529 2530 /* 2531 * At least write something! 2532 */ 2533 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2534 TULIP_CSR_WRITE(sc, csr_gp, 0); 2535 2536 mi->mi_phyaddr = TULIP_MII_NOPHY; 2537 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2538 DELAY(10000); 2539 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2540 } 2541 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2542 #if defined(TULIP_DEBUG) 2543 printf("%s%d: can't find phy %d\n", 2544 sc->tulip_name, sc->tulip_unit, phyno); 2545 #endif 2546 break; 2547 } 2548 sc->tulip_features |= TULIP_HAVE_MII; 2549 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2550 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2551 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2552 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2553 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2554 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2555 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2556 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2557 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2558 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2559 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2560 mi++; 2561 break; 2562 } 2563 case 2: { /* 2114[23] SIA block */ 2564 tulip_media_t media; 2565 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2566 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2567 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2568 break; 2569 } 2570 media = tulip_srom_mediums[idx3].sm_type; 2571 if (media == TULIP_MEDIA_UNKNOWN) 2572 break; 2573 mi->mi_type = TULIP_MEDIAINFO_SIA; 2574 sc->tulip_mediums[media] = mi; 2575 if (dp[0] & 0x40) { 2576 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2577 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2578 mi->mi_sia_general = dp[5] + dp[6] * 256; 2579 dp += 6; 2580 } else { 2581 switch (media) { 2582 case TULIP_MEDIA_BNC: { 2583 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2584 break; 2585 } 2586 case TULIP_MEDIA_AUI: { 2587 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2588 break; 2589 } 2590 case TULIP_MEDIA_10BASET: { 2591 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2592 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2593 break; 2594 } 2595 case TULIP_MEDIA_10BASET_FD: { 2596 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2597 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2598 break; 2599 } 2600 default: { 2601 goto bad_media; 2602 } 2603 } 2604 } 2605 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2606 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2607 mi++; 2608 bad_media: 2609 break; 2610 } 2611 case 3: { /* 2114[23] MII PHY block */ 2612 const unsigned phyno = *dp++; 2613 const u_int8_t *dp0; 2614 mi->mi_type = TULIP_MEDIAINFO_MII; 2615 mi->mi_gpr_length = *dp++; 2616 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2617 dp += 2 * mi->mi_gpr_length; 2618 mi->mi_reset_length = *dp++; 2619 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2620 dp += 2 * mi->mi_reset_length; 2621 2622 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2623 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2624 DELAY(10); 2625 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2626 } 2627 sc->tulip_phyaddr = mi->mi_phyaddr; 2628 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2629 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2630 DELAY(10); 2631 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2632 } 2633 2634 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2635 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2636 2637 mi->mi_phyaddr = TULIP_MII_NOPHY; 2638 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2639 DELAY(10000); 2640 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2641 } 2642 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2643 #if defined(TULIP_DEBUG) 2644 printf("%s%d: can't find phy %d\n", 2645 sc->tulip_name, sc->tulip_unit, phyno); 2646 #endif 2647 break; 2648 } 2649 sc->tulip_features |= TULIP_HAVE_MII; 2650 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2651 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2652 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2653 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2654 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2655 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2656 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2657 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2658 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2659 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2660 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2661 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2662 mi++; 2663 break; 2664 } 2665 case 4: { /* 21143 SYM block */ 2666 tulip_media_t media; 2667 srom_media = (tulip_srom_media_t) dp[0]; 2668 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2669 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2670 break; 2671 } 2672 media = tulip_srom_mediums[idx3].sm_type; 2673 if (media == TULIP_MEDIA_UNKNOWN) 2674 break; 2675 mi->mi_type = TULIP_MEDIAINFO_SYM; 2676 sc->tulip_mediums[media] = mi; 2677 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2678 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2679 data = dp[5] + dp[6] * 256; 2680 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2681 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2682 mi->mi_actmask = 0; 2683 } else { 2684 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2685 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2686 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2687 } 2688 if (TULIP_IS_MEDIA_TP(media)) 2689 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2690 mi++; 2691 break; 2692 } 2693 #if 0 2694 case 5: { /* 21143 Reset block */ 2695 mi->mi_type = TULIP_MEDIAINFO_RESET; 2696 mi->mi_reset_length = *dp++; 2697 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2698 dp += 2 * mi->mi_reset_length; 2699 mi++; 2700 break; 2701 } 2702 #endif 2703 default: { 2704 } 2705 } 2706 dp = ep; 2707 } 2708 } 2709 return mi - sc->tulip_mediainfo; 2710 } 2711 2712 static const struct { 2713 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2714 unsigned char vendor_oui[3]; 2715 } tulip_vendors[] = { 2716 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2717 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2718 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2719 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2720 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2721 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2722 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2723 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2724 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2725 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2726 { NULL } 2727 }; 2728 2729 /* 2730 * This deals with the vagaries of the address roms and the 2731 * brain-deadness that various vendors commit in using them. 2732 */ 2733 static int 2734 tulip_read_macaddr( 2735 tulip_softc_t * const sc) 2736 { 2737 unsigned cksum, rom_cksum, idx; 2738 u_int32_t csr; 2739 unsigned char tmpbuf[8]; 2740 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2741 2742 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2743 2744 if (sc->tulip_chipid == TULIP_21040) { 2745 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2746 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2747 int cnt = 0; 2748 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2749 cnt++; 2750 sc->tulip_rombuf[idx] = csr & 0xFF; 2751 } 2752 sc->tulip_boardsw = &tulip_21040_boardsw; 2753 } else { 2754 if (sc->tulip_chipid == TULIP_21041) { 2755 /* 2756 * Thankfully all 21041's act the same. 2757 */ 2758 sc->tulip_boardsw = &tulip_21041_boardsw; 2759 } else { 2760 /* 2761 * Assume all 21140 board are compatible with the 2762 * DEC 10/100 evaluation board. Not really valid but 2763 * it's the best we can do until every one switches to 2764 * the new SROM format. 2765 */ 2766 2767 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2768 } 2769 tulip_srom_read(sc); 2770 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2771 /* 2772 * SROM CRC is valid therefore it must be in the 2773 * new format. 2774 */ 2775 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2776 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2777 /* 2778 * No checksum is present. See if the SROM id checks out; 2779 * the first 18 bytes should be 0 followed by a 1 followed 2780 * by the number of adapters (which we don't deal with yet). 2781 */ 2782 for (idx = 0; idx < 18; idx++) { 2783 if (sc->tulip_rombuf[idx] != 0) 2784 break; 2785 } 2786 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2787 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2788 } else if (sc->tulip_chipid >= TULIP_21142) { 2789 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2790 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2791 } 2792 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2793 if (sc->tulip_chipid != TULIP_21041) 2794 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2795 2796 /* 2797 * If the SROM specifies more than one adapter, tag this as a 2798 * BASE rom. 2799 */ 2800 if (sc->tulip_rombuf[19] > 1) 2801 sc->tulip_features |= TULIP_HAVE_BASEROM; 2802 if (sc->tulip_boardsw == NULL) 2803 return -6; 2804 goto check_oui; 2805 } 2806 } 2807 2808 2809 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2810 /* 2811 * Some folks don't use the standard ethernet rom format 2812 * but instead just put the address in the first 6 bytes 2813 * of the rom and let the rest be all 0xffs. (Can we say 2814 * ZNYX?) (well sometimes they put in a checksum so we'll 2815 * start at 8). 2816 */ 2817 for (idx = 8; idx < 32; idx++) { 2818 if (sc->tulip_rombuf[idx] != 0xFF) 2819 return -4; 2820 } 2821 /* 2822 * Make sure the address is not multicast or locally assigned 2823 * that the OUI is not 00-00-00. 2824 */ 2825 if ((sc->tulip_rombuf[0] & 3) != 0) 2826 return -4; 2827 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2828 && sc->tulip_rombuf[2] == 0) 2829 return -4; 2830 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2831 sc->tulip_features |= TULIP_HAVE_OKROM; 2832 goto check_oui; 2833 } else { 2834 /* 2835 * A number of makers of multiport boards (ZNYX and Cogent) 2836 * only put on one address ROM on their 21040 boards. So 2837 * if the ROM is all zeros (or all 0xFFs), look at the 2838 * previous configured boards (as long as they are on the same 2839 * PCI bus and the bus number is non-zero) until we find the 2840 * master board with address ROM. We then use its address ROM 2841 * as the base for this board. (we add our relative board 2842 * to the last byte of its address). 2843 */ 2844 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2845 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2846 break; 2847 } 2848 if (idx == sizeof(sc->tulip_rombuf)) { 2849 int root_unit; 2850 tulip_softc_t *root_sc = NULL; 2851 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2852 root_sc = tulips[root_unit]; 2853 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2854 break; 2855 root_sc = NULL; 2856 } 2857 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2858 && root_sc->tulip_chipid == sc->tulip_chipid 2859 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2860 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2861 sc->tulip_boardsw = root_sc->tulip_boardsw; 2862 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2863 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2864 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2865 sizeof(sc->tulip_rombuf)); 2866 if (!tulip_srom_decode(sc)) 2867 return -5; 2868 } else { 2869 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2870 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2871 } 2872 /* 2873 * Now for a truly disgusting kludge: all 4 21040s on 2874 * the ZX314 share the same INTA line so the mapping 2875 * setup by the BIOS on the PCI bridge is worthless. 2876 * Rather than reprogramming the value in the config 2877 * register, we will handle this internally. 2878 */ 2879 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2880 sc->tulip_slaves = root_sc->tulip_slaves; 2881 root_sc->tulip_slaves = sc; 2882 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2883 } 2884 return 0; 2885 } 2886 } 2887 } 2888 2889 /* 2890 * This is the standard DEC address ROM test. 2891 */ 2892 2893 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2894 return -3; 2895 2896 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2897 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2898 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2899 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2900 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2901 return -2; 2902 2903 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2904 2905 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2906 cksum *= 2; 2907 if (cksum > 65535) cksum -= 65535; 2908 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2909 if (cksum > 65535) cksum -= 65535; 2910 cksum *= 2; 2911 if (cksum > 65535) cksum -= 65535; 2912 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2913 if (cksum >= 65535) cksum -= 65535; 2914 2915 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2916 2917 if (cksum != rom_cksum) 2918 return -1; 2919 2920 check_oui: 2921 /* 2922 * Check for various boards based on OUI. Did I say braindead? 2923 */ 2924 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2925 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2926 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2927 break; 2928 } 2929 } 2930 2931 sc->tulip_features |= TULIP_HAVE_OKROM; 2932 return 0; 2933 } 2934 2935 static void 2936 tulip_ifmedia_add( 2937 tulip_softc_t * const sc) 2938 { 2939 tulip_media_t media; 2940 int medias = 0; 2941 2942 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2943 if (sc->tulip_mediums[media] != NULL) { 2944 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2945 0, 0); 2946 medias++; 2947 } 2948 } 2949 if (medias == 0) { 2950 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2951 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2952 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2953 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2954 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2955 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2956 } else { 2957 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2958 sc->tulip_flags |= TULIP_PRINTMEDIA; 2959 tulip_linkup(sc, sc->tulip_media); 2960 } 2961 } 2962 2963 static int 2964 tulip_ifmedia_change( 2965 struct ifnet * const ifp) 2966 { 2967 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2968 2969 sc->tulip_flags |= TULIP_NEEDRESET; 2970 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2971 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2972 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2973 tulip_media_t media; 2974 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2975 if (sc->tulip_mediums[media] != NULL 2976 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2977 sc->tulip_flags |= TULIP_PRINTMEDIA; 2978 sc->tulip_flags &= ~TULIP_DIDNWAY; 2979 tulip_linkup(sc, media); 2980 return 0; 2981 } 2982 } 2983 } 2984 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2985 tulip_reset(sc); 2986 tulip_init(sc); 2987 return 0; 2988 } 2989 2990 /* 2991 * Media status callback 2992 */ 2993 static void 2994 tulip_ifmedia_status( 2995 struct ifnet * const ifp, 2996 struct ifmediareq *req) 2997 { 2998 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2999 3000 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3001 return; 3002 3003 req->ifm_status = IFM_AVALID; 3004 if (sc->tulip_flags & TULIP_LINKUP) 3005 req->ifm_status |= IFM_ACTIVE; 3006 3007 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3008 } 3009 3010 static void 3011 tulip_addr_filter( 3012 tulip_softc_t * const sc) 3013 { 3014 struct ifmultiaddr *ifma; 3015 u_char *addrp; 3016 int multicnt; 3017 3018 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3019 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3020 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3021 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3022 #if defined(IFF_ALLMULTI) 3023 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3024 sc->tulip_flags |= TULIP_ALLMULTI ; 3025 #endif 3026 3027 multicnt = 0; 3028 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3029 ifma = ifma->ifma_link.le_next) { 3030 3031 if (ifma->ifma_addr->sa_family == AF_LINK) 3032 multicnt++; 3033 } 3034 3035 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3036 if (multicnt > 14) { 3037 u_int32_t *sp = sc->tulip_setupdata; 3038 unsigned hash; 3039 /* 3040 * Some early passes of the 21140 have broken implementations of 3041 * hash-perfect mode. When we get too many multicasts for perfect 3042 * filtering with these chips, we need to switch into hash-only 3043 * mode (this is better than all-multicast on network with lots 3044 * of multicast traffic). 3045 */ 3046 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3047 sc->tulip_flags |= TULIP_WANTHASHONLY; 3048 else 3049 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3050 /* 3051 * If we have more than 14 multicasts, we have 3052 * go into hash perfect mode (512 bit multicast 3053 * hash and one perfect hardware). 3054 */ 3055 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3056 3057 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3058 ifma = ifma->ifma_link.le_next) { 3059 3060 if (ifma->ifma_addr->sa_family != AF_LINK) 3061 continue; 3062 3063 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3064 #if BYTE_ORDER == BIG_ENDIAN 3065 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3066 #else 3067 sp[hash >> 4] |= 1 << (hash & 0xF); 3068 #endif 3069 } 3070 /* 3071 * No reason to use a hash if we are going to be 3072 * receiving every multicast. 3073 */ 3074 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3075 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 3076 #if BYTE_ORDER == BIG_ENDIAN 3077 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3078 #else 3079 sp[hash >> 4] |= 1 << (hash & 0xF); 3080 #endif 3081 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3082 hash = tulip_mchash(sc->tulip_enaddr); 3083 #if BYTE_ORDER == BIG_ENDIAN 3084 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3085 #else 3086 sp[hash >> 4] |= 1 << (hash & 0xF); 3087 #endif 3088 } else { 3089 #if BYTE_ORDER == BIG_ENDIAN 3090 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3091 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3092 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3093 #else 3094 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3095 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3096 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3097 #endif 3098 } 3099 } 3100 } 3101 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3102 u_int32_t *sp = sc->tulip_setupdata; 3103 int idx = 0; 3104 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3105 /* 3106 * Else can get perfect filtering for 16 addresses. 3107 */ 3108 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3109 ifma = ifma->ifma_link.le_next) { 3110 if (ifma->ifma_addr->sa_family != AF_LINK) 3111 continue; 3112 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3113 #if BYTE_ORDER == BIG_ENDIAN 3114 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3115 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3116 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3117 #else 3118 *sp++ = ((u_int16_t *) addrp)[0]; 3119 *sp++ = ((u_int16_t *) addrp)[1]; 3120 *sp++ = ((u_int16_t *) addrp)[2]; 3121 #endif 3122 idx++; 3123 } 3124 /* 3125 * Add the broadcast address. 3126 */ 3127 idx++; 3128 #if BYTE_ORDER == BIG_ENDIAN 3129 *sp++ = 0xFFFF << 16; 3130 *sp++ = 0xFFFF << 16; 3131 *sp++ = 0xFFFF << 16; 3132 #else 3133 *sp++ = 0xFFFF; 3134 *sp++ = 0xFFFF; 3135 *sp++ = 0xFFFF; 3136 #endif 3137 } 3138 /* 3139 * Pad the rest with our hardware address 3140 */ 3141 for (; idx < 16; idx++) { 3142 #if BYTE_ORDER == BIG_ENDIAN 3143 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3144 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3145 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3146 #else 3147 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3148 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3149 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3150 #endif 3151 } 3152 } 3153 #if defined(IFF_ALLMULTI) 3154 if (sc->tulip_flags & TULIP_ALLMULTI) 3155 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3156 #endif 3157 } 3158 3159 static void 3160 tulip_reset( 3161 tulip_softc_t * const sc) 3162 { 3163 tulip_ringinfo_t *ri; 3164 tulip_desc_t *di; 3165 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3166 3167 /* 3168 * Brilliant. Simply brilliant. When switching modes/speeds 3169 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3170 * bits in CSR6 and then do a software reset to get the 21140 3171 * to properly reset its internal pathways to the right places. 3172 * Grrrr. 3173 */ 3174 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3175 && sc->tulip_boardsw->bd_media_preset != NULL) 3176 (*sc->tulip_boardsw->bd_media_preset)(sc); 3177 3178 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3179 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3180 33MHz that comes to two microseconds but wait a 3181 bit longer anyways) */ 3182 3183 if (!inreset) { 3184 sc->tulip_flags |= TULIP_INRESET; 3185 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3186 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3187 sc->tulip_if.if_start = tulip_ifstart; 3188 } 3189 3190 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3191 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3192 #else 3193 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3194 #endif 3195 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3196 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3197 #else 3198 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3199 #endif 3200 TULIP_CSR_WRITE(sc, csr_busmode, 3201 (1 << (3 /*pci_max_burst_len*/ + 8)) 3202 |TULIP_BUSMODE_CACHE_ALIGN8 3203 |TULIP_BUSMODE_READMULTIPLE 3204 |(BYTE_ORDER != LITTLE_ENDIAN ? 3205 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3206 3207 sc->tulip_txtimer = 0; 3208 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3209 /* 3210 * Free all the mbufs that were on the transmit ring. 3211 */ 3212 for (;;) { 3213 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3214 bus_dmamap_t map; 3215 #endif 3216 struct mbuf *m; 3217 IF_DEQUEUE(&sc->tulip_txq, m); 3218 if (m == NULL) 3219 break; 3220 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3221 map = M_GETCTX(m, bus_dmamap_t); 3222 bus_dmamap_unload(sc->tulip_dmatag, map); 3223 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3224 #endif 3225 m_freem(m); 3226 } 3227 3228 ri = &sc->tulip_txinfo; 3229 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3230 ri->ri_free = ri->ri_max; 3231 for (di = ri->ri_first; di < ri->ri_last; di++) 3232 di->d_status = 0; 3233 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3234 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3235 0, sc->tulip_txdescmap->dm_mapsize, 3236 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3237 #endif 3238 3239 /* 3240 * We need to collect all the mbufs were on the 3241 * receive ring before we reinit it either to put 3242 * them back on or to know if we have to allocate 3243 * more. 3244 */ 3245 ri = &sc->tulip_rxinfo; 3246 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3247 ri->ri_free = ri->ri_max; 3248 for (di = ri->ri_first; di < ri->ri_last; di++) { 3249 di->d_status = 0; 3250 di->d_length1 = 0; di->d_addr1 = 0; 3251 di->d_length2 = 0; di->d_addr2 = 0; 3252 } 3253 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3254 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3255 0, sc->tulip_rxdescmap->dm_mapsize, 3256 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3257 #endif 3258 for (;;) { 3259 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3260 bus_dmamap_t map; 3261 #endif 3262 struct mbuf *m; 3263 IF_DEQUEUE(&sc->tulip_rxq, m); 3264 if (m == NULL) 3265 break; 3266 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3267 map = M_GETCTX(m, bus_dmamap_t); 3268 bus_dmamap_unload(sc->tulip_dmatag, map); 3269 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3270 #endif 3271 m_freem(m); 3272 } 3273 3274 /* 3275 * If tulip_reset is being called recurisvely, exit quickly knowing 3276 * that when the outer tulip_reset returns all the right stuff will 3277 * have happened. 3278 */ 3279 if (inreset) 3280 return; 3281 3282 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3283 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3284 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3285 |TULIP_STS_RXSTOPPED; 3286 3287 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3288 (*sc->tulip_boardsw->bd_media_select)(sc); 3289 #if defined(TULIP_DEBUG) 3290 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3291 printf("%s%d: tulip_reset: additional reset needed?!?\n", 3292 sc->tulip_name, sc->tulip_unit); 3293 #endif 3294 tulip_media_print(sc); 3295 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3296 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3297 3298 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3299 |TULIP_RXACT); 3300 tulip_addr_filter(sc); 3301 } 3302 3303 static void 3304 tulip_init( 3305 tulip_softc_t * const sc) 3306 { 3307 if (sc->tulip_if.if_flags & IFF_UP) { 3308 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3309 /* initialize the media */ 3310 tulip_reset(sc); 3311 } 3312 sc->tulip_if.if_flags |= IFF_RUNNING; 3313 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3314 sc->tulip_flags |= TULIP_PROMISC; 3315 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3316 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3317 } else { 3318 sc->tulip_flags &= ~TULIP_PROMISC; 3319 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3320 if (sc->tulip_flags & TULIP_ALLMULTI) { 3321 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3322 } else { 3323 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3324 } 3325 } 3326 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3327 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3328 tulip_rx_intr(sc); 3329 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3330 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3331 } else { 3332 sc->tulip_if.if_flags |= IFF_OACTIVE; 3333 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3334 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3335 } 3336 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3337 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3338 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3339 tulip_txput_setup(sc); 3340 } else { 3341 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3342 tulip_reset(sc); 3343 } 3344 } 3345 3346 static void 3347 tulip_rx_intr( 3348 tulip_softc_t * const sc) 3349 { 3350 TULIP_PERFSTART(rxintr) 3351 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3352 struct ifnet * const ifp = &sc->tulip_if; 3353 int fillok = 1; 3354 #if defined(TULIP_DEBUG) 3355 int cnt = 0; 3356 #endif 3357 3358 for (;;) { 3359 TULIP_PERFSTART(rxget) 3360 struct ether_header eh; 3361 tulip_desc_t *eop = ri->ri_nextin; 3362 int total_len = 0, last_offset = 0; 3363 struct mbuf *ms = NULL, *me = NULL; 3364 int accept = 0; 3365 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3366 bus_dmamap_t map; 3367 int error; 3368 #endif 3369 3370 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3371 goto queue_mbuf; 3372 3373 #if defined(TULIP_DEBUG) 3374 if (cnt == ri->ri_max) 3375 break; 3376 #endif 3377 /* 3378 * If the TULIP has no descriptors, there can't be any receive 3379 * descriptors to process. 3380 */ 3381 if (eop == ri->ri_nextout) 3382 break; 3383 3384 /* 3385 * 90% of the packets will fit in one descriptor. So we optimize 3386 * for that case. 3387 */ 3388 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3389 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3390 IF_DEQUEUE(&sc->tulip_rxq, ms); 3391 me = ms; 3392 } else { 3393 /* 3394 * If still owned by the TULIP, don't touch it. 3395 */ 3396 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3397 break; 3398 3399 /* 3400 * It is possible (though improbable unless the BIG_PACKET support 3401 * is enabled or MCLBYTES < 1518) for a received packet to cross 3402 * more than one receive descriptor. 3403 */ 3404 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3405 if (++eop == ri->ri_last) 3406 eop = ri->ri_first; 3407 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3408 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3409 #if defined(TULIP_DEBUG) 3410 sc->tulip_dbg.dbg_rxintrs++; 3411 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3412 #endif 3413 TULIP_PERFEND(rxget); 3414 TULIP_PERFEND(rxintr); 3415 return; 3416 } 3417 total_len++; 3418 } 3419 3420 /* 3421 * Dequeue the first buffer for the start of the packet. Hopefully 3422 * this will be the only one we need to dequeue. However, if the 3423 * packet consumed multiple descriptors, then we need to dequeue 3424 * those buffers and chain to the starting mbuf. All buffers but 3425 * the last buffer have the same length so we can set that now. 3426 * (we add to last_offset instead of multiplying since we normally 3427 * won't go into the loop and thereby saving a ourselves from 3428 * doing a multiplication by 0 in the normal case). 3429 */ 3430 IF_DEQUEUE(&sc->tulip_rxq, ms); 3431 for (me = ms; total_len > 0; total_len--) { 3432 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3433 map = M_GETCTX(me, bus_dmamap_t); 3434 TULIP_RXMAP_POSTSYNC(sc, map); 3435 bus_dmamap_unload(sc->tulip_dmatag, map); 3436 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3437 #if defined(DIAGNOSTIC) 3438 M_SETCTX(me, NULL); 3439 #endif 3440 #endif /* TULIP_BUS_DMA */ 3441 me->m_len = TULIP_RX_BUFLEN; 3442 last_offset += TULIP_RX_BUFLEN; 3443 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3444 me = me->m_next; 3445 } 3446 } 3447 3448 /* 3449 * Now get the size of received packet (minus the CRC). 3450 */ 3451 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3452 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3453 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3454 #ifdef BIG_PACKET 3455 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3456 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3457 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3458 TULIP_DSTS_RxOVERFLOW)) == 0) 3459 #endif 3460 )) { 3461 me->m_len = total_len - last_offset; 3462 3463 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3464 map = M_GETCTX(me, bus_dmamap_t); 3465 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3466 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3467 bus_dmamap_unload(sc->tulip_dmatag, map); 3468 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3469 #if defined(DIAGNOSTIC) 3470 M_SETCTX(me, NULL); 3471 #endif 3472 #endif /* TULIP_BUS_DMA */ 3473 3474 eh = *mtod(ms, struct ether_header *); 3475 #if !defined(__DragonFly__) && !defined(__FreeBSD__) 3476 if (sc->tulip_if.if_bpf != NULL) { 3477 if (me == ms) 3478 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3479 else 3480 bpf_mtap(&sc->tulip_if, ms); 3481 } 3482 #endif 3483 sc->tulip_flags |= TULIP_RXACT; 3484 accept = 1; 3485 } else { 3486 ifp->if_ierrors++; 3487 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3488 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3489 } else { 3490 #if defined(TULIP_VERBOSE) 3491 const char *error = NULL; 3492 #endif 3493 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3494 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3495 #if defined(TULIP_VERBOSE) 3496 error = "frame too long"; 3497 #endif 3498 } 3499 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3500 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3501 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3502 #if defined(TULIP_VERBOSE) 3503 error = "alignment error"; 3504 #endif 3505 } else { 3506 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3507 #if defined(TULIP_VERBOSE) 3508 error = "bad crc"; 3509 #endif 3510 } 3511 } 3512 #if defined(TULIP_VERBOSE) 3513 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3514 printf("%s%d: receive: %6D: %s\n", 3515 sc->tulip_name, sc->tulip_unit, 3516 mtod(ms, u_char *) + 6, ":", 3517 error); 3518 sc->tulip_flags |= TULIP_NOMESSAGES; 3519 } 3520 #endif 3521 } 3522 3523 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3524 map = M_GETCTX(me, bus_dmamap_t); 3525 bus_dmamap_unload(sc->tulip_dmatag, map); 3526 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3527 #if defined(DIAGNOSTIC) 3528 M_SETCTX(me, NULL); 3529 #endif 3530 #endif /* TULIP_BUS_DMA */ 3531 } 3532 #if defined(TULIP_DEBUG) 3533 cnt++; 3534 #endif 3535 ifp->if_ipackets++; 3536 if (++eop == ri->ri_last) 3537 eop = ri->ri_first; 3538 ri->ri_nextin = eop; 3539 queue_mbuf: 3540 /* 3541 * Either we are priming the TULIP with mbufs (m == NULL) 3542 * or we are about to accept an mbuf for the upper layers 3543 * so we need to allocate an mbuf to replace it. If we 3544 * can't replace it, send up it anyways. This may cause 3545 * us to drop packets in the future but that's better than 3546 * being caught in livelock. 3547 * 3548 * Note that if this packet crossed multiple descriptors 3549 * we don't even try to reallocate all the mbufs here. 3550 * Instead we rely on the test of the beginning of 3551 * the loop to refill for the extra consumed mbufs. 3552 */ 3553 if (accept || ms == NULL) { 3554 struct mbuf *m0; 3555 MGETHDR(m0, MB_DONTWAIT, MT_DATA); 3556 if (m0 != NULL) { 3557 #if defined(TULIP_COPY_RXDATA) 3558 if (!accept || total_len >= (MHLEN - 2)) { 3559 #endif 3560 MCLGET(m0, MB_DONTWAIT); 3561 if ((m0->m_flags & M_EXT) == 0) { 3562 m_freem(m0); 3563 m0 = NULL; 3564 } 3565 #if defined(TULIP_COPY_RXDATA) 3566 } 3567 #endif 3568 } 3569 if (accept 3570 #if defined(TULIP_COPY_RXDATA) 3571 && m0 != NULL 3572 #endif 3573 ) { 3574 #if !defined(TULIP_COPY_RXDATA) 3575 ms->m_pkthdr.len = total_len; 3576 ms->m_pkthdr.rcvif = ifp; 3577 m_adj(ms, sizeof(struct ether_header)); 3578 ether_input(ifp, &eh, ms); 3579 #else 3580 #ifdef BIG_PACKET 3581 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3582 #endif 3583 m0->m_data += 2; /* align data after header */ 3584 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3585 m0->m_len = m0->m_pkthdr.len = total_len; 3586 m0->m_pkthdr.rcvif = ifp; 3587 m_adj(m0, sizeof(struct ether_header)); 3588 ether_input(ifp, &eh, m0); 3589 m0 = ms; 3590 #endif /* ! TULIP_COPY_RXDATA */ 3591 } 3592 ms = m0; 3593 } 3594 if (ms == NULL) { 3595 /* 3596 * Couldn't allocate a new buffer. Don't bother 3597 * trying to replenish the receive queue. 3598 */ 3599 fillok = 0; 3600 sc->tulip_flags |= TULIP_RXBUFSLOW; 3601 #if defined(TULIP_DEBUG) 3602 sc->tulip_dbg.dbg_rxlowbufs++; 3603 #endif 3604 TULIP_PERFEND(rxget); 3605 continue; 3606 } 3607 /* 3608 * Now give the buffer(s) to the TULIP and save in our 3609 * receive queue. 3610 */ 3611 do { 3612 tulip_desc_t * const nextout = ri->ri_nextout; 3613 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3614 if (sc->tulip_rxmaps_free > 0) { 3615 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3616 } else { 3617 m_freem(ms); 3618 sc->tulip_flags |= TULIP_RXBUFSLOW; 3619 #if defined(TULIP_DEBUG) 3620 sc->tulip_dbg.dbg_rxlowbufs++; 3621 #endif 3622 break; 3623 } 3624 M_SETCTX(ms, map); 3625 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3626 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3627 if (error) { 3628 printf("%s%d: unable to load rx map, " 3629 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 3630 panic("tulip_rx_intr"); /* XXX */ 3631 } 3632 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3633 nextout->d_length1 = map->dm_segs[0].ds_len; 3634 if (map->dm_nsegs == 2) { 3635 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3636 nextout->d_length2 = map->dm_segs[1].ds_len; 3637 } else { 3638 nextout->d_addr2 = 0; 3639 nextout->d_length2 = 0; 3640 } 3641 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3642 #else /* TULIP_BUS_DMA */ 3643 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3644 nextout->d_length1 = TULIP_RX_BUFLEN; 3645 #endif /* TULIP_BUS_DMA */ 3646 nextout->d_status = TULIP_DSTS_OWNER; 3647 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3648 if (++ri->ri_nextout == ri->ri_last) 3649 ri->ri_nextout = ri->ri_first; 3650 me = ms->m_next; 3651 ms->m_next = NULL; 3652 IF_ENQUEUE(&sc->tulip_rxq, ms); 3653 } while ((ms = me) != NULL); 3654 3655 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3656 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3657 TULIP_PERFEND(rxget); 3658 } 3659 3660 #if defined(TULIP_DEBUG) 3661 sc->tulip_dbg.dbg_rxintrs++; 3662 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3663 #endif 3664 TULIP_PERFEND(rxintr); 3665 } 3666 3667 static int 3668 tulip_tx_intr( 3669 tulip_softc_t * const sc) 3670 { 3671 TULIP_PERFSTART(txintr) 3672 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3673 struct mbuf *m; 3674 int xmits = 0; 3675 int descs = 0; 3676 3677 while (ri->ri_free < ri->ri_max) { 3678 u_int32_t d_flag; 3679 3680 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3681 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3682 break; 3683 3684 ri->ri_free++; 3685 descs++; 3686 d_flag = ri->ri_nextin->d_flag; 3687 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3688 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3689 /* 3690 * We've just finished processing a setup packet. 3691 * Mark that we finished it. If there's not 3692 * another pending, startup the TULIP receiver. 3693 * Make sure we ack the RXSTOPPED so we won't get 3694 * an abormal interrupt indication. 3695 */ 3696 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3697 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3698 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3699 sc->tulip_flags |= TULIP_HASHONLY; 3700 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3701 tulip_rx_intr(sc); 3702 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3703 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3704 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3705 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3706 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3707 } 3708 } else { 3709 const u_int32_t d_status = ri->ri_nextin->d_status; 3710 IF_DEQUEUE(&sc->tulip_txq, m); 3711 if (m != NULL) { 3712 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3713 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3714 TULIP_TXMAP_POSTSYNC(sc, map); 3715 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3716 #endif /* TULIP_BUS_DMA */ 3717 m_freem(m); 3718 #if defined(TULIP_DEBUG) 3719 } else { 3720 printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n", 3721 sc->tulip_name, sc->tulip_unit); 3722 #endif 3723 } 3724 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3725 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3726 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3727 #if defined(TULIP_DEBUG) 3728 if (d_status & TULIP_DSTS_TxNOCARR) 3729 sc->tulip_dbg.dbg_txprobe_nocarr++; 3730 if (d_status & TULIP_DSTS_TxEXCCOLL) 3731 sc->tulip_dbg.dbg_txprobe_exccoll++; 3732 #endif 3733 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3734 } 3735 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3736 /* 3737 * Escape from the loop before media poll has reset the TULIP! 3738 */ 3739 break; 3740 } else { 3741 xmits++; 3742 if (d_status & TULIP_DSTS_ERRSUM) { 3743 sc->tulip_if.if_oerrors++; 3744 if (d_status & TULIP_DSTS_TxEXCCOLL) 3745 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3746 if (d_status & TULIP_DSTS_TxLATECOLL) 3747 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3748 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3749 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3750 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3751 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3752 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3753 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3754 if (d_status & TULIP_DSTS_TxBABBLE) 3755 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3756 } else { 3757 u_int32_t collisions = 3758 (d_status & TULIP_DSTS_TxCOLLMASK) 3759 >> TULIP_DSTS_V_TxCOLLCNT; 3760 sc->tulip_if.if_collisions += collisions; 3761 if (collisions == 1) 3762 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3763 else if (collisions > 1) 3764 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3765 else if (d_status & TULIP_DSTS_TxDEFERRED) 3766 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3767 /* 3768 * SQE is only valid for 10baseT/BNC/AUI when not 3769 * running in full-duplex. In order to speed up the 3770 * test, the corresponding bit in tulip_flags needs to 3771 * set as well to get us to count SQE Test Errors. 3772 */ 3773 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3774 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3775 } 3776 } 3777 } 3778 } 3779 3780 if (++ri->ri_nextin == ri->ri_last) 3781 ri->ri_nextin = ri->ri_first; 3782 3783 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3784 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3785 } 3786 /* 3787 * If nothing left to transmit, disable the timer. 3788 * Else if progress, reset the timer back to 2 ticks. 3789 */ 3790 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3791 sc->tulip_txtimer = 0; 3792 else if (xmits > 0) 3793 sc->tulip_txtimer = TULIP_TXTIMER; 3794 sc->tulip_if.if_opackets += xmits; 3795 TULIP_PERFEND(txintr); 3796 return descs; 3797 } 3798 3799 static void 3800 tulip_print_abnormal_interrupt( 3801 tulip_softc_t * const sc, 3802 u_int32_t csr) 3803 { 3804 const char * const *msgp = tulip_status_bits; 3805 const char *sep; 3806 u_int32_t mask; 3807 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3808 3809 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3810 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3811 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3812 if ((csr & mask) && *msgp != NULL) { 3813 printf("%s%s", sep, *msgp); 3814 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3815 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3816 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3817 printf(" (switching to store-and-forward mode)"); 3818 } else { 3819 printf(" (raising TX threshold to %s)", 3820 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3821 } 3822 } 3823 sep = ", "; 3824 } 3825 } 3826 printf("\n"); 3827 } 3828 3829 static void 3830 tulip_intr_handler( 3831 tulip_softc_t * const sc, 3832 int *progress_p) 3833 { 3834 TULIP_PERFSTART(intr) 3835 u_int32_t csr; 3836 3837 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3838 *progress_p = 1; 3839 TULIP_CSR_WRITE(sc, csr_status, csr); 3840 3841 if (csr & TULIP_STS_SYSERROR) { 3842 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3843 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3844 sc->tulip_flags |= TULIP_SYSTEMERROR; 3845 } else { 3846 printf("%s%d: system error: %s\n", 3847 sc->tulip_name, sc->tulip_unit, 3848 tulip_system_errors[sc->tulip_last_system_error]); 3849 } 3850 sc->tulip_flags |= TULIP_NEEDRESET; 3851 sc->tulip_system_errors++; 3852 break; 3853 } 3854 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3855 #if defined(TULIP_DEBUG) 3856 sc->tulip_dbg.dbg_link_intrs++; 3857 #endif 3858 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3859 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3860 ? TULIP_MEDIAPOLL_LINKFAIL 3861 : TULIP_MEDIAPOLL_LINKPASS); 3862 csr &= ~TULIP_STS_ABNRMLINTR; 3863 } 3864 tulip_media_print(sc); 3865 } 3866 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3867 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3868 if (csr & TULIP_STS_RXNOBUF) 3869 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3870 /* 3871 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3872 * on receive overflows. 3873 */ 3874 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3875 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3876 /* 3877 * Stop the receiver process and spin until it's stopped. 3878 * Tell rx_intr to drop the packets it dequeues. 3879 */ 3880 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3881 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3882 ; 3883 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3884 sc->tulip_flags |= TULIP_RXIGNORE; 3885 } 3886 tulip_rx_intr(sc); 3887 if (sc->tulip_flags & TULIP_RXIGNORE) { 3888 /* 3889 * Restart the receiver. 3890 */ 3891 sc->tulip_flags &= ~TULIP_RXIGNORE; 3892 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3893 } 3894 } 3895 if (csr & TULIP_STS_ABNRMLINTR) { 3896 u_int32_t tmp = csr & sc->tulip_intrmask 3897 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3898 if (csr & TULIP_STS_TXUNDERFLOW) { 3899 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3900 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3901 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3902 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3903 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3904 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3905 } 3906 } 3907 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3908 sc->tulip_statusbits |= tmp; 3909 } else { 3910 tulip_print_abnormal_interrupt(sc, tmp); 3911 sc->tulip_flags |= TULIP_NOMESSAGES; 3912 } 3913 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3914 } 3915 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3916 tulip_tx_intr(sc); 3917 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3918 tulip_ifstart(&sc->tulip_if); 3919 } 3920 } 3921 if (sc->tulip_flags & TULIP_NEEDRESET) { 3922 tulip_reset(sc); 3923 tulip_init(sc); 3924 } 3925 TULIP_PERFEND(intr); 3926 } 3927 3928 #if defined(TULIP_USE_SOFTINTR) 3929 /* 3930 * This is a experimental idea to alleviate problems due to interrupt 3931 * livelock. What is interrupt livelock? It's when you spend all your 3932 * time servicing device interrupts and never drop below device ipl 3933 * to do "useful" work. 3934 * 3935 * So what we do here is see if the device needs service and if so, 3936 * disable interrupts (dismiss the interrupt), place it in a list of devices 3937 * needing service, and issue a network software interrupt. 3938 * 3939 * When our network software interrupt routine gets called, we simply 3940 * walk done the list of devices that we have created and deal with them 3941 * at splnet/splsoftnet. 3942 * 3943 */ 3944 static void 3945 tulip_hardintr_handler( 3946 tulip_softc_t * const sc, 3947 int *progress_p) 3948 { 3949 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3950 return; 3951 *progress_p = 1; 3952 /* 3953 * disable interrupts 3954 */ 3955 TULIP_CSR_WRITE(sc, csr_intr, 0); 3956 /* 3957 * mark it as needing a software interrupt 3958 */ 3959 tulip_softintr_mask |= (1U << sc->tulip_unit); 3960 } 3961 3962 static void 3963 tulip_softintr( 3964 void) 3965 { 3966 u_int32_t softintr_mask, mask; 3967 int progress = 0; 3968 int unit; 3969 int s; 3970 3971 /* 3972 * Copy mask to local copy and reset global one to 0. 3973 */ 3974 s = splimp(); 3975 softintr_mask = tulip_softintr_mask; 3976 tulip_softintr_mask = 0; 3977 splx(s); 3978 3979 /* 3980 * Optimize for the single unit case. 3981 */ 3982 if (tulip_softintr_max_unit == 0) { 3983 if (softintr_mask & 1) { 3984 tulip_softc_t * const sc = tulips[0]; 3985 /* 3986 * Handle the "interrupt" and then reenable interrupts 3987 */ 3988 softintr_mask = 0; 3989 tulip_intr_handler(sc, &progress); 3990 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3991 } 3992 return; 3993 } 3994 3995 /* 3996 * Handle all "queued" interrupts in a round robin fashion. 3997 * This is done so as not to favor a particular interface. 3998 */ 3999 unit = tulip_softintr_last_unit; 4000 mask = (1U << unit); 4001 while (softintr_mask != 0) { 4002 if (tulip_softintr_max_unit == unit) { 4003 unit = 0; mask = 1; 4004 } else { 4005 unit += 1; mask <<= 1; 4006 } 4007 if (softintr_mask & mask) { 4008 tulip_softc_t * const sc = tulips[unit]; 4009 /* 4010 * Handle the "interrupt" and then reenable interrupts 4011 */ 4012 softintr_mask ^= mask; 4013 tulip_intr_handler(sc, &progress); 4014 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4015 } 4016 } 4017 4018 /* 4019 * Save where we ending up. 4020 */ 4021 tulip_softintr_last_unit = unit; 4022 } 4023 #endif /* TULIP_USE_SOFTINTR */ 4024 4025 static void 4026 tulip_intr_shared( 4027 void *arg) 4028 { 4029 tulip_softc_t * sc = arg; 4030 int progress = 0; 4031 4032 for (; sc != NULL; sc = sc->tulip_slaves) { 4033 #if defined(TULIP_DEBUG) 4034 sc->tulip_dbg.dbg_intrs++; 4035 #endif 4036 #if defined(TULIP_USE_SOFTINTR) 4037 tulip_hardintr_handler(sc, &progress); 4038 #else 4039 tulip_intr_handler(sc, &progress); 4040 #endif 4041 } 4042 #if defined(TULIP_USE_SOFTINTR) 4043 if (progress) 4044 schednetisr(NETISR_DE); 4045 #endif 4046 } 4047 4048 static void 4049 tulip_intr_normal( 4050 void *arg) 4051 { 4052 tulip_softc_t * sc = (tulip_softc_t *) arg; 4053 int progress = 0; 4054 4055 #if defined(TULIP_DEBUG) 4056 sc->tulip_dbg.dbg_intrs++; 4057 #endif 4058 #if defined(TULIP_USE_SOFTINTR) 4059 tulip_hardintr_handler(sc, &progress); 4060 if (progress) 4061 schednetisr(NETISR_DE); 4062 #else 4063 tulip_intr_handler(sc, &progress); 4064 #endif 4065 } 4066 4067 static struct mbuf * 4068 tulip_mbuf_compress( 4069 struct mbuf *m) 4070 { 4071 struct mbuf *m0; 4072 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4073 MGETHDR(m0, MB_DONTWAIT, MT_DATA); 4074 if (m0 != NULL) { 4075 if (m->m_pkthdr.len > MHLEN) { 4076 MCLGET(m0, MB_DONTWAIT); 4077 if ((m0->m_flags & M_EXT) == 0) { 4078 m_freem(m); 4079 m_freem(m0); 4080 return NULL; 4081 } 4082 } 4083 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4084 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4085 } 4086 #else 4087 int mlen = MHLEN; 4088 int len = m->m_pkthdr.len; 4089 struct mbuf **mp = &m0; 4090 4091 while (len > 0) { 4092 if (mlen == MHLEN) { 4093 MGETHDR(*mp, MB_DONTWAIT, MT_DATA); 4094 } else { 4095 MGET(*mp, MB_DONTWAIT, MT_DATA); 4096 } 4097 if (*mp == NULL) { 4098 m_freem(m0); 4099 m0 = NULL; 4100 break; 4101 } 4102 if (len > MLEN) { 4103 MCLGET(*mp, MB_DONTWAIT); 4104 if (((*mp)->m_flags & M_EXT) == 0) { 4105 m_freem(m0); 4106 m0 = NULL; 4107 break; 4108 } 4109 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4110 } else { 4111 (*mp)->m_len = len <= mlen ? len : mlen; 4112 } 4113 m_copydata(m, m->m_pkthdr.len - len, 4114 (*mp)->m_len, mtod((*mp), caddr_t)); 4115 len -= (*mp)->m_len; 4116 mp = &(*mp)->m_next; 4117 mlen = MLEN; 4118 } 4119 #endif 4120 m_freem(m); 4121 return m0; 4122 } 4123 4124 static struct mbuf * 4125 tulip_txput( 4126 tulip_softc_t * const sc, 4127 struct mbuf *m) 4128 { 4129 TULIP_PERFSTART(txput) 4130 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4131 tulip_desc_t *eop, *nextout; 4132 int segcnt, free; 4133 u_int32_t d_status; 4134 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4135 bus_dmamap_t map; 4136 int error; 4137 #else 4138 struct mbuf *m0; 4139 #endif 4140 4141 #if defined(TULIP_DEBUG) 4142 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4143 printf("%s%d: txput%s: tx not running\n", 4144 sc->tulip_name, sc->tulip_unit, 4145 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4146 sc->tulip_flags |= TULIP_WANTTXSTART; 4147 sc->tulip_dbg.dbg_txput_finishes[0]++; 4148 goto finish; 4149 } 4150 #endif 4151 4152 /* 4153 * Now we try to fill in our transmit descriptors. This is 4154 * a bit reminiscent of going on the Ark two by two 4155 * since each descriptor for the TULIP can describe 4156 * two buffers. So we advance through packet filling 4157 * each of the two entries at a time to to fill each 4158 * descriptor. Clear the first and last segment bits 4159 * in each descriptor (actually just clear everything 4160 * but the end-of-ring or chain bits) to make sure 4161 * we don't get messed up by previously sent packets. 4162 * 4163 * We may fail to put the entire packet on the ring if 4164 * there is either not enough ring entries free or if the 4165 * packet has more than MAX_TXSEG segments. In the former 4166 * case we will just wait for the ring to empty. In the 4167 * latter case we have to recopy. 4168 */ 4169 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4170 again: 4171 m0 = m; 4172 #endif 4173 d_status = 0; 4174 eop = nextout = ri->ri_nextout; 4175 segcnt = 0; 4176 free = ri->ri_free; 4177 4178 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4179 /* 4180 * Reclaim some dma maps from if we are out. 4181 */ 4182 if (sc->tulip_txmaps_free == 0) { 4183 #if defined(TULIP_DEBUG) 4184 sc->tulip_dbg.dbg_no_txmaps++; 4185 #endif 4186 free += tulip_tx_intr(sc); 4187 } 4188 if (sc->tulip_txmaps_free > 0) { 4189 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4190 } else { 4191 sc->tulip_flags |= TULIP_WANTTXSTART; 4192 #if defined(TULIP_DEBUG) 4193 sc->tulip_dbg.dbg_txput_finishes[1]++; 4194 #endif 4195 goto finish; 4196 } 4197 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4198 if (error != 0) { 4199 if (error == EFBIG) { 4200 /* 4201 * The packet exceeds the number of transmit buffer 4202 * entries that we can use for one packet, so we have 4203 * to recopy it into one mbuf and then try again. 4204 */ 4205 m = tulip_mbuf_compress(m); 4206 if (m == NULL) { 4207 #if defined(TULIP_DEBUG) 4208 sc->tulip_dbg.dbg_txput_finishes[2]++; 4209 #endif 4210 goto finish; 4211 } 4212 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4213 } 4214 if (error != 0) { 4215 printf("%s%d: unable to load tx map, " 4216 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 4217 #if defined(TULIP_DEBUG) 4218 sc->tulip_dbg.dbg_txput_finishes[3]++; 4219 #endif 4220 goto finish; 4221 } 4222 } 4223 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4224 /* 4225 * See if there's any unclaimed space in the transmit ring. 4226 */ 4227 && (free += tulip_tx_intr(sc)) <= 0) { 4228 /* 4229 * There's no more room but since nothing 4230 * has been committed at this point, just 4231 * show output is active, put back the 4232 * mbuf and return. 4233 */ 4234 sc->tulip_flags |= TULIP_WANTTXSTART; 4235 #if defined(TULIP_DEBUG) 4236 sc->tulip_dbg.dbg_txput_finishes[4]++; 4237 #endif 4238 bus_dmamap_unload(sc->tulip_dmatag, map); 4239 goto finish; 4240 } 4241 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4242 eop = nextout; 4243 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4244 eop->d_status = d_status; 4245 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4246 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4247 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4248 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4249 d_status = TULIP_DSTS_OWNER; 4250 if (++nextout == ri->ri_last) 4251 nextout = ri->ri_first; 4252 } 4253 if (segcnt < map->dm_nsegs) { 4254 eop = nextout; 4255 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4256 eop->d_status = d_status; 4257 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4258 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4259 eop->d_addr2 = 0; 4260 eop->d_length2 = 0; 4261 if (++nextout == ri->ri_last) 4262 nextout = ri->ri_first; 4263 } 4264 TULIP_TXMAP_PRESYNC(sc, map); 4265 M_SETCTX(m, map); 4266 map = NULL; 4267 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4268 4269 #else /* !TULIP_BUS_DMA */ 4270 4271 do { 4272 int len = m0->m_len; 4273 caddr_t addr = mtod(m0, caddr_t); 4274 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4275 4276 while (len > 0) { 4277 unsigned slen = min(len, clsize); 4278 #ifdef BIG_PACKET 4279 int partial = 0; 4280 if (slen >= 2048) 4281 slen = 2040, partial = 1; 4282 #endif 4283 segcnt++; 4284 if (segcnt > TULIP_MAX_TXSEG) { 4285 /* 4286 * The packet exceeds the number of transmit buffer 4287 * entries that we can use for one packet, so we have 4288 * recopy it into one mbuf and then try again. 4289 */ 4290 m = tulip_mbuf_compress(m); 4291 if (m == NULL) 4292 goto finish; 4293 goto again; 4294 } 4295 if (segcnt & 1) { 4296 if (--free == 0) { 4297 /* 4298 * See if there's any unclaimed space in the 4299 * transmit ring. 4300 */ 4301 if ((free += tulip_tx_intr(sc)) == 0) { 4302 /* 4303 * There's no more room but since nothing 4304 * has been committed at this point, just 4305 * show output is active, put back the 4306 * mbuf and return. 4307 */ 4308 sc->tulip_flags |= TULIP_WANTTXSTART; 4309 #if defined(TULIP_DEBUG) 4310 sc->tulip_dbg.dbg_txput_finishes[1]++; 4311 #endif 4312 goto finish; 4313 } 4314 } 4315 eop = nextout; 4316 if (++nextout == ri->ri_last) 4317 nextout = ri->ri_first; 4318 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4319 eop->d_status = d_status; 4320 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4321 eop->d_length1 = slen; 4322 } else { 4323 /* 4324 * Fill in second half of descriptor 4325 */ 4326 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4327 eop->d_length2 = slen; 4328 } 4329 d_status = TULIP_DSTS_OWNER; 4330 len -= slen; 4331 addr += slen; 4332 #ifdef BIG_PACKET 4333 if (partial) 4334 continue; 4335 #endif 4336 clsize = PAGE_SIZE; 4337 } 4338 } while ((m0 = m0->m_next) != NULL); 4339 #endif /* TULIP_BUS_DMA */ 4340 4341 /* 4342 * bounce a copy to the bpf listener, if any. 4343 */ 4344 if (sc->tulip_if.if_bpf != NULL) 4345 bpf_mtap(&sc->tulip_if, m); 4346 4347 /* 4348 * The descriptors have been filled in. Now get ready 4349 * to transmit. 4350 */ 4351 IF_ENQUEUE(&sc->tulip_txq, m); 4352 m = NULL; 4353 4354 /* 4355 * Make sure the next descriptor after this packet is owned 4356 * by us since it may have been set up above if we ran out 4357 * of room in the ring. 4358 */ 4359 nextout->d_status = 0; 4360 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4361 4362 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4363 /* 4364 * If we only used the first segment of the last descriptor, 4365 * make sure the second segment will not be used. 4366 */ 4367 if (segcnt & 1) { 4368 eop->d_addr2 = 0; 4369 eop->d_length2 = 0; 4370 } 4371 #endif /* TULIP_BUS_DMA */ 4372 4373 /* 4374 * Mark the last and first segments, indicate we want a transmit 4375 * complete interrupt, and tell it to transmit! 4376 */ 4377 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4378 4379 /* 4380 * Note that ri->ri_nextout is still the start of the packet 4381 * and until we set the OWNER bit, we can still back out of 4382 * everything we have done. 4383 */ 4384 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4385 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4386 if (eop < ri->ri_nextout) { 4387 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4388 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4389 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4390 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4391 } else { 4392 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4393 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4394 } 4395 #endif 4396 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4397 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4398 4399 /* 4400 * This advances the ring for us. 4401 */ 4402 ri->ri_nextout = nextout; 4403 ri->ri_free = free; 4404 4405 TULIP_PERFEND(txput); 4406 4407 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4408 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4409 sc->tulip_if.if_flags |= IFF_OACTIVE; 4410 sc->tulip_if.if_start = tulip_ifstart; 4411 TULIP_PERFEND(txput); 4412 return NULL; 4413 } 4414 4415 /* 4416 * switch back to the single queueing ifstart. 4417 */ 4418 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4419 if (sc->tulip_txtimer == 0) 4420 sc->tulip_txtimer = TULIP_TXTIMER; 4421 #if defined(TULIP_DEBUG) 4422 sc->tulip_dbg.dbg_txput_finishes[5]++; 4423 #endif 4424 4425 /* 4426 * If we want a txstart, there must be not enough space in the 4427 * transmit ring. So we want to enable transmit done interrupts 4428 * so we can immediately reclaim some space. When the transmit 4429 * interrupt is posted, the interrupt handler will call tx_intr 4430 * to reclaim space and then txstart (since WANTTXSTART is set). 4431 * txstart will move the packet into the transmit ring and clear 4432 * WANTTXSTART thereby causing TXINTR to be cleared. 4433 */ 4434 finish: 4435 #if defined(TULIP_DEBUG) 4436 sc->tulip_dbg.dbg_txput_finishes[6]++; 4437 #endif 4438 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4439 sc->tulip_if.if_flags |= IFF_OACTIVE; 4440 sc->tulip_if.if_start = tulip_ifstart; 4441 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4442 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4443 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4444 } 4445 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4446 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4447 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4448 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4449 } 4450 } 4451 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4452 TULIP_PERFEND(txput); 4453 return m; 4454 } 4455 4456 static void 4457 tulip_txput_setup( 4458 tulip_softc_t * const sc) 4459 { 4460 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4461 tulip_desc_t *nextout; 4462 4463 /* 4464 * We will transmit, at most, one setup packet per call to ifstart. 4465 */ 4466 4467 #if defined(TULIP_DEBUG) 4468 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4469 printf("%s%d: txput_setup: tx not running\n", 4470 sc->tulip_name, sc->tulip_unit); 4471 sc->tulip_flags |= TULIP_WANTTXSTART; 4472 sc->tulip_if.if_start = tulip_ifstart; 4473 return; 4474 } 4475 #endif 4476 /* 4477 * Try to reclaim some free descriptors.. 4478 */ 4479 if (ri->ri_free < 2) 4480 tulip_tx_intr(sc); 4481 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4482 sc->tulip_flags |= TULIP_WANTTXSTART; 4483 sc->tulip_if.if_start = tulip_ifstart; 4484 return; 4485 } 4486 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4487 sizeof(sc->tulip_setupbuf)); 4488 /* 4489 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4490 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4491 */ 4492 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4493 ri->ri_free--; 4494 nextout = ri->ri_nextout; 4495 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4496 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4497 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4498 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4499 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4500 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4501 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4502 4503 nextout->d_length2 = 0; 4504 nextout->d_addr2 = 0; 4505 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4506 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4507 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4508 if (sc->tulip_setupmap->dm_nsegs == 2) { 4509 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4510 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4511 } 4512 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4513 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4514 #else 4515 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4516 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4517 #endif 4518 4519 /* 4520 * Advance the ring for the next transmit packet. 4521 */ 4522 if (++ri->ri_nextout == ri->ri_last) 4523 ri->ri_nextout = ri->ri_first; 4524 4525 /* 4526 * Make sure the next descriptor is owned by us since it 4527 * may have been set up above if we ran out of room in the 4528 * ring. 4529 */ 4530 ri->ri_nextout->d_status = 0; 4531 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4532 nextout->d_status = TULIP_DSTS_OWNER; 4533 /* 4534 * Flush the ownwership of the current descriptor 4535 */ 4536 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4537 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4538 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4539 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4540 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4541 } 4542 } 4543 4544 4545 /* 4546 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4547 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4548 * defined or not. 4549 */ 4550 static int 4551 tulip_ifioctl( 4552 struct ifnet * ifp, 4553 u_long cmd, 4554 caddr_t data, 4555 struct ucred * cr) 4556 { 4557 TULIP_PERFSTART(ifioctl) 4558 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4559 struct ifaddr *ifa = (struct ifaddr *)data; 4560 struct ifreq *ifr = (struct ifreq *) data; 4561 int s; 4562 int error = 0; 4563 4564 #if defined(TULIP_USE_SOFTINTR) 4565 s = splnet(); 4566 #else 4567 s = splimp(); 4568 #endif 4569 switch (cmd) { 4570 case SIOCSIFADDR: { 4571 ifp->if_flags |= IFF_UP; 4572 switch(ifa->ifa_addr->sa_family) { 4573 #ifdef INET 4574 case AF_INET: { 4575 tulip_init(sc); 4576 arp_ifinit(&(sc)->tulip_ac.ac_if, ifa); 4577 break; 4578 } 4579 #endif /* INET */ 4580 4581 #ifdef IPX 4582 case AF_IPX: { 4583 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4584 if (ipx_nullhost(*ina)) { 4585 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4586 } else { 4587 ifp->if_flags &= ~IFF_RUNNING; 4588 bcopy((caddr_t)ina->x_host.c_host, 4589 (caddr_t)sc->tulip_enaddr, 4590 sizeof(sc->tulip_enaddr)); 4591 } 4592 tulip_init(sc); 4593 break; 4594 } 4595 #endif /* IPX */ 4596 4597 #ifdef NS 4598 /* 4599 * This magic copied from if_is.c; I don't use XNS, 4600 * so I have no way of telling if this actually 4601 * works or not. 4602 */ 4603 case AF_NS: { 4604 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4605 if (ns_nullhost(*ina)) { 4606 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4607 } else { 4608 ifp->if_flags &= ~IFF_RUNNING; 4609 bcopy((caddr_t)ina->x_host.c_host, 4610 (caddr_t)sc->tulip_enaddr, 4611 sizeof(sc->tulip_enaddr)); 4612 } 4613 tulip_init(sc); 4614 break; 4615 } 4616 #endif /* NS */ 4617 4618 default: { 4619 tulip_init(sc); 4620 break; 4621 } 4622 } 4623 break; 4624 } 4625 case SIOCGIFADDR: { 4626 bcopy((caddr_t) sc->tulip_enaddr, 4627 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4628 6); 4629 break; 4630 } 4631 4632 case SIOCSIFFLAGS: { 4633 tulip_addr_filter(sc); /* reinit multicast filter */ 4634 tulip_init(sc); 4635 break; 4636 } 4637 4638 case SIOCSIFMEDIA: 4639 case SIOCGIFMEDIA: { 4640 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4641 break; 4642 } 4643 4644 case SIOCADDMULTI: 4645 case SIOCDELMULTI: { 4646 /* 4647 * Update multicast listeners 4648 */ 4649 tulip_addr_filter(sc); /* reset multicast filtering */ 4650 tulip_init(sc); 4651 error = 0; 4652 break; 4653 } 4654 4655 case SIOCSIFMTU: 4656 /* 4657 * Set the interface MTU. 4658 */ 4659 if (ifr->ifr_mtu > ETHERMTU 4660 #ifdef BIG_PACKET 4661 && sc->tulip_chipid != TULIP_21140 4662 && sc->tulip_chipid != TULIP_21140A 4663 && sc->tulip_chipid != TULIP_21041 4664 #endif 4665 ) { 4666 error = EINVAL; 4667 break; 4668 } 4669 ifp->if_mtu = ifr->ifr_mtu; 4670 #ifdef BIG_PACKET 4671 tulip_reset(sc); 4672 tulip_init(sc); 4673 #endif 4674 break; 4675 4676 #ifdef SIOCGADDRROM 4677 case SIOCGADDRROM: { 4678 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4679 break; 4680 } 4681 #endif 4682 #ifdef SIOCGCHIPID 4683 case SIOCGCHIPID: { 4684 ifr->ifr_metric = (int) sc->tulip_chipid; 4685 break; 4686 } 4687 #endif 4688 default: { 4689 error = EINVAL; 4690 break; 4691 } 4692 } 4693 4694 splx(s); 4695 TULIP_PERFEND(ifioctl); 4696 return error; 4697 } 4698 4699 /* 4700 * These routines gets called at device spl (from ether_output). This might 4701 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4702 * device spl from another driver. 4703 */ 4704 4705 static void 4706 tulip_ifstart( 4707 struct ifnet * const ifp) 4708 { 4709 TULIP_PERFSTART(ifstart) 4710 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4711 4712 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4713 4714 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4715 tulip_txput_setup(sc); 4716 4717 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4718 struct mbuf *m; 4719 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4720 if ((m = tulip_txput(sc, m)) != NULL) { 4721 IF_PREPEND(&sc->tulip_if.if_snd, m); 4722 break; 4723 } 4724 } 4725 if (sc->tulip_if.if_snd.ifq_head == NULL) 4726 sc->tulip_if.if_start = tulip_ifstart_one; 4727 } 4728 4729 TULIP_PERFEND(ifstart); 4730 } 4731 4732 static void 4733 tulip_ifstart_one( 4734 struct ifnet * const ifp) 4735 { 4736 TULIP_PERFSTART(ifstart_one) 4737 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4738 4739 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4740 && sc->tulip_if.if_snd.ifq_head != NULL) { 4741 struct mbuf *m; 4742 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4743 if ((m = tulip_txput(sc, m)) != NULL) 4744 IF_PREPEND(&sc->tulip_if.if_snd, m); 4745 } 4746 TULIP_PERFEND(ifstart_one); 4747 } 4748 4749 /* 4750 * Even though this routine runs at device spl, it does not break 4751 * our use of splnet (splsoftnet under NetBSD) for the majority 4752 * of this driver (if TULIP_USE_SOFTINTR defined) since 4753 * if_watcbog is called from if_watchdog which is called from 4754 * splsoftclock which is below spl[soft]net. 4755 */ 4756 static void 4757 tulip_ifwatchdog( 4758 struct ifnet *ifp) 4759 { 4760 TULIP_PERFSTART(ifwatchdog) 4761 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4762 4763 #if defined(TULIP_DEBUG) 4764 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4765 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4766 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4767 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4768 #endif /* TULIP_DEBUG */ 4769 4770 sc->tulip_if.if_timer = 1; 4771 /* 4772 * These should be rare so do a bulk test up front so we can just skip 4773 * them if needed. 4774 */ 4775 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4776 /* 4777 * If the number of receive buffer is low, try to refill 4778 */ 4779 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4780 tulip_rx_intr(sc); 4781 4782 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4783 printf("%s%d: %d system errors: last was %s\n", 4784 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 4785 tulip_system_errors[sc->tulip_last_system_error]); 4786 } 4787 if (sc->tulip_statusbits) { 4788 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4789 sc->tulip_statusbits = 0; 4790 } 4791 4792 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4793 } 4794 4795 if (sc->tulip_txtimer) 4796 tulip_tx_intr(sc); 4797 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4798 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 4799 if (TULIP_DO_AUTOSENSE(sc)) { 4800 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4801 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4802 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4803 } 4804 tulip_reset(sc); 4805 tulip_init(sc); 4806 } 4807 4808 TULIP_PERFEND(ifwatchdog); 4809 TULIP_PERFMERGE(sc, perf_intr_cycles); 4810 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4811 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4812 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4813 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4814 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4815 TULIP_PERFMERGE(sc, perf_txput_cycles); 4816 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4817 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4818 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4819 TULIP_PERFMERGE(sc, perf_intr); 4820 TULIP_PERFMERGE(sc, perf_ifstart); 4821 TULIP_PERFMERGE(sc, perf_ifioctl); 4822 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4823 TULIP_PERFMERGE(sc, perf_timeout); 4824 TULIP_PERFMERGE(sc, perf_ifstart_one); 4825 TULIP_PERFMERGE(sc, perf_txput); 4826 TULIP_PERFMERGE(sc, perf_txintr); 4827 TULIP_PERFMERGE(sc, perf_rxintr); 4828 TULIP_PERFMERGE(sc, perf_rxget); 4829 } 4830 4831 /* 4832 * All printf's are real as of now! 4833 */ 4834 #ifdef printf 4835 #undef printf 4836 #endif 4837 4838 static void 4839 tulip_attach( 4840 tulip_softc_t * const sc) 4841 { 4842 struct ifnet * const ifp = &sc->tulip_if; 4843 4844 callout_init(&sc->tulip_timer); 4845 callout_init(&sc->tulip_fast_timer); 4846 4847 if_initname(ifp, sc->tulip_name, sc->tulip_unit); 4848 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4849 ifp->if_ioctl = tulip_ifioctl; 4850 ifp->if_start = tulip_ifstart; 4851 ifp->if_watchdog = tulip_ifwatchdog; 4852 ifp->if_timer = 1; 4853 4854 printf("%s%d: %s%s pass %d.%d%s\n", 4855 sc->tulip_name, sc->tulip_unit, 4856 sc->tulip_boardid, 4857 tulip_chipdescs[sc->tulip_chipid], 4858 (sc->tulip_revinfo & 0xF0) >> 4, 4859 sc->tulip_revinfo & 0x0F, 4860 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4861 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4862 4863 #if defined(__alpha__) 4864 /* 4865 * In case the SRM console told us about a bogus media, 4866 * we need to check to be safe. 4867 */ 4868 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4869 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4870 #endif 4871 4872 (*sc->tulip_boardsw->bd_media_probe)(sc); 4873 ifmedia_init(&sc->tulip_ifmedia, 0, 4874 tulip_ifmedia_change, 4875 tulip_ifmedia_status); 4876 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4877 tulip_ifmedia_add(sc); 4878 4879 tulip_reset(sc); 4880 4881 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr); 4882 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4883 } 4884 4885 #if defined(TULIP_BUS_DMA) 4886 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4887 static int 4888 tulip_busdma_allocmem( 4889 tulip_softc_t * const sc, 4890 size_t size, 4891 bus_dmamap_t *map_p, 4892 tulip_desc_t **desc_p) 4893 { 4894 bus_dma_segment_t segs[1]; 4895 int nsegs, error; 4896 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4897 segs, sizeof(segs)/sizeof(segs[0]), 4898 &nsegs, BUS_DMA_NOWAIT); 4899 if (error == 0) { 4900 void *desc; 4901 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4902 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4903 if (error == 0) { 4904 bus_dmamap_t map; 4905 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4906 BUS_DMA_NOWAIT, &map); 4907 if (error == 0) { 4908 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4909 size, NULL, BUS_DMA_NOWAIT); 4910 if (error) 4911 bus_dmamap_destroy(sc->tulip_dmatag, map); 4912 else 4913 *map_p = map; 4914 } 4915 if (error) 4916 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4917 } 4918 if (error) 4919 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4920 else 4921 *desc_p = desc; 4922 } 4923 return error; 4924 } 4925 #endif 4926 4927 static int 4928 tulip_busdma_init( 4929 tulip_softc_t * const sc) 4930 { 4931 int error = 0; 4932 4933 #if !defined(TULIP_BUS_DMA_NOTX) 4934 /* 4935 * Allocate dmamap for setup descriptor 4936 */ 4937 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4938 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4939 &sc->tulip_setupmap); 4940 if (error == 0) { 4941 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4942 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4943 NULL, BUS_DMA_NOWAIT); 4944 if (error) 4945 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4946 } 4947 /* 4948 * Allocate space and dmamap for transmit ring 4949 */ 4950 if (error == 0) { 4951 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4952 &sc->tulip_txdescmap, 4953 &sc->tulip_txdescs); 4954 } 4955 4956 /* 4957 * Allocate dmamaps for each transmit descriptors 4958 */ 4959 if (error == 0) { 4960 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4961 bus_dmamap_t map; 4962 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4963 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4964 } 4965 if (error) { 4966 while (sc->tulip_txmaps_free > 0) 4967 bus_dmamap_destroy(sc->tulip_dmatag, 4968 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4969 } 4970 } 4971 #else 4972 if (error == 0) { 4973 sc->tulip_txdescs = malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), 4974 M_DEVBUF, M_INTWAIT); 4975 } 4976 #endif 4977 #if !defined(TULIP_BUS_DMA_NORX) 4978 /* 4979 * Allocate space and dmamap for receive ring 4980 */ 4981 if (error == 0) { 4982 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4983 &sc->tulip_rxdescmap, 4984 &sc->tulip_rxdescs); 4985 } 4986 4987 /* 4988 * Allocate dmamaps for each receive descriptors 4989 */ 4990 if (error == 0) { 4991 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4992 bus_dmamap_t map; 4993 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4994 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4995 } 4996 if (error) { 4997 while (sc->tulip_rxmaps_free > 0) 4998 bus_dmamap_destroy(sc->tulip_dmatag, 4999 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5000 } 5001 } 5002 #else 5003 if (error == 0) { 5004 sc->tulip_rxdescs = malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), 5005 M_DEVBUF, M_INTWAIT); 5006 } 5007 #endif 5008 return error; 5009 } 5010 #endif /* TULIP_BUS_DMA */ 5011 5012 static void 5013 tulip_initcsrs( 5014 tulip_softc_t * const sc, 5015 tulip_csrptr_t csr_base, 5016 size_t csr_size) 5017 { 5018 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5019 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5020 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5021 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5022 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5023 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5024 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5025 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5026 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5027 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5028 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5029 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5030 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5031 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5032 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5033 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5034 } 5035 5036 static void 5037 tulip_initring( 5038 tulip_softc_t * const sc, 5039 tulip_ringinfo_t * const ri, 5040 tulip_desc_t *descs, 5041 int ndescs) 5042 { 5043 ri->ri_max = ndescs; 5044 ri->ri_first = descs; 5045 ri->ri_last = ri->ri_first + ri->ri_max; 5046 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5047 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5048 } 5049 5050 /* 5051 * This is the PCI configuration support. 5052 */ 5053 5054 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5055 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5056 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 5057 5058 static int 5059 tulip_pci_probe(device_t dev) 5060 { 5061 const char *name = NULL; 5062 5063 if (pci_get_vendor(dev) != DEC_VENDORID) 5064 return ENXIO; 5065 5066 /* 5067 * Some LanMedia WAN cards use the Tulip chip, but they have 5068 * their own driver, and we should not recognize them 5069 */ 5070 if (pci_get_subvendor(dev) == 0x1376) 5071 return ENXIO; 5072 5073 switch (pci_get_device(dev)) { 5074 case CHIPID_21040: 5075 name = "Digital 21040 Ethernet"; 5076 break; 5077 case CHIPID_21041: 5078 name = "Digital 21041 Ethernet"; 5079 break; 5080 case CHIPID_21140: 5081 if (pci_get_revid(dev) >= 0x20) 5082 name = "Digital 21140A Fast Ethernet"; 5083 else 5084 name = "Digital 21140 Fast Ethernet"; 5085 break; 5086 case CHIPID_21142: 5087 if (pci_get_revid(dev) >= 0x20) 5088 name = "Digital 21143 Fast Ethernet"; 5089 else 5090 name = "Digital 21142 Fast Ethernet"; 5091 break; 5092 } 5093 if (name) { 5094 device_set_desc(dev, name); 5095 return -200; 5096 } 5097 return ENXIO; 5098 } 5099 5100 static int 5101 tulip_shutdown(device_t dev) 5102 { 5103 tulip_softc_t * const sc = device_get_softc(dev); 5104 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5105 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5106 33MHz that comes to two microseconds but wait a 5107 bit longer anyways) */ 5108 return 0; 5109 } 5110 5111 static int 5112 tulip_pci_attach(device_t dev) 5113 { 5114 tulip_softc_t *sc; 5115 #if defined(__alpha__) 5116 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5117 #endif 5118 int retval, idx; 5119 u_int32_t revinfo, cfdainfo, cfcsinfo; 5120 unsigned csroffset = TULIP_PCI_CSROFFSET; 5121 unsigned csrsize = TULIP_PCI_CSRSIZE; 5122 tulip_csrptr_t csr_base; 5123 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5124 struct resource *res; 5125 int rid, unit; 5126 5127 unit = device_get_unit(dev); 5128 5129 if (unit >= TULIP_MAX_DEVICES) { 5130 printf("de%d", unit); 5131 printf(": not configured; limit of %d reached or exceeded\n", 5132 TULIP_MAX_DEVICES); 5133 return ENXIO; 5134 } 5135 5136 revinfo = pci_get_revid(dev); 5137 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5138 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5139 5140 /* turn busmaster on in case BIOS doesn't set it */ 5141 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5142 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5143 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5144 } 5145 5146 if (pci_get_vendor(dev) == DEC_VENDORID) { 5147 if (pci_get_device(dev) == CHIPID_21040) 5148 chipid = TULIP_21040; 5149 else if (pci_get_device(dev) == CHIPID_21041) 5150 chipid = TULIP_21041; 5151 else if (pci_get_device(dev) == CHIPID_21140) 5152 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5153 else if (pci_get_device(dev) == CHIPID_21142) 5154 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5155 } 5156 if (chipid == TULIP_CHIPID_UNKNOWN) 5157 return ENXIO; 5158 5159 if (chipid == TULIP_21040 && revinfo < 0x20) { 5160 printf("de%d", unit); 5161 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5162 revinfo >> 4, revinfo & 0x0f); 5163 return ENXIO; 5164 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5165 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5166 unit, revinfo >> 4, revinfo & 0x0f); 5167 return ENXIO; 5168 } 5169 5170 sc = device_get_softc(dev); 5171 sc->tulip_pci_busno = pci_get_bus(dev); 5172 sc->tulip_pci_devno = pci_get_slot(dev); 5173 sc->tulip_chipid = chipid; 5174 sc->tulip_flags |= TULIP_DEVICEPROBE; 5175 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5176 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5177 if (chipid == TULIP_21140A && revinfo <= 0x22) 5178 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5179 if (chipid == TULIP_21140) 5180 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5181 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5182 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5183 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5184 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5185 if (chipid != TULIP_21041 || revinfo >= 0x20) 5186 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5187 if (chipid != TULIP_21041) 5188 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5189 if (chipid != TULIP_21041 && revinfo >= 0x20) 5190 sc->tulip_features |= TULIP_HAVE_SIA100; 5191 } 5192 5193 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5194 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5195 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5196 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5197 DELAY(11*1000); 5198 } 5199 #if defined(__alpha__) 5200 /* 5201 * The Alpha SRM console encodes a console set media in the driver 5202 * part of the CFDA register. Note that the Multia presents a 5203 * problem in that its BNC mode is really EXTSIA. So in that case 5204 * force a probe. 5205 */ 5206 switch ((cfdainfo >> 8) & 0xff) { 5207 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5208 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5209 case 3: media = TULIP_MEDIA_10BASET; break; 5210 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5211 case 5: media = TULIP_MEDIA_100BASETX; break; 5212 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5213 default: media = TULIP_MEDIA_UNKNOWN; break; 5214 } 5215 #endif 5216 5217 sc->tulip_unit = unit; 5218 sc->tulip_name = "de"; 5219 sc->tulip_revinfo = revinfo; 5220 sc->tulip_if.if_softc = sc; 5221 #if defined(TULIP_IOMAPPED) 5222 rid = PCI_CBIO; 5223 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 5224 0, ~0, 1, RF_ACTIVE); 5225 #else 5226 rid = PCI_CBMA; 5227 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 5228 0, ~0, 1, RF_ACTIVE); 5229 #endif 5230 if (!res) 5231 return ENXIO; 5232 sc->tulip_csrs_bst = rman_get_bustag(res); 5233 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5234 csr_base = 0; 5235 5236 tulips[unit] = sc; 5237 5238 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5239 5240 #if defined(TULIP_BUS_DMA) 5241 if ((retval = tulip_busdma_init(sc)) != 0) { 5242 printf("error initing bus_dma: %d\n", retval); 5243 return ENXIO; 5244 } 5245 #else 5246 sc->tulip_rxdescs = malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, 5247 M_DEVBUF, M_INTWAIT); 5248 sc->tulip_txdescs = malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, 5249 M_DEVBUF, M_INTWAIT); 5250 #endif 5251 5252 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5253 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5254 5255 /* 5256 * Make sure there won't be any interrupts or such... 5257 */ 5258 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5259 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5260 33MHz that comes to two microseconds but wait a 5261 bit longer anyways) */ 5262 5263 if ((retval = tulip_read_macaddr(sc)) < 0) { 5264 printf("%s%d", sc->tulip_name, sc->tulip_unit); 5265 printf(": can't read ENET ROM (why=%d) (", retval); 5266 for (idx = 0; idx < 32; idx++) 5267 printf("%02x", sc->tulip_rombuf[idx]); 5268 printf("\n"); 5269 printf("%s%d: %s%s pass %d.%d\n", 5270 sc->tulip_name, sc->tulip_unit, 5271 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5272 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5273 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 5274 } else { 5275 int s; 5276 void (*intr_rtn)(void *) = tulip_intr_normal; 5277 5278 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5279 intr_rtn = tulip_intr_shared; 5280 5281 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5282 void *ih; 5283 5284 rid = 0; 5285 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 5286 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 5287 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5288 intr_rtn, sc, &ih)) { 5289 printf("%s%d: couldn't map interrupt\n", 5290 sc->tulip_name, sc->tulip_unit); 5291 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5292 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5293 return ENXIO; 5294 } 5295 } 5296 #if defined(TULIP_USE_SOFTINTR) 5297 if (sc->tulip_unit > tulip_softintr_max_unit) 5298 tulip_softintr_max_unit = sc->tulip_unit; 5299 #endif 5300 5301 s = splimp(); 5302 #if defined(__alpha__) 5303 sc->tulip_media = media; 5304 #endif 5305 tulip_attach(sc); 5306 #if defined(__alpha__) 5307 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5308 tulip_linkup(sc, media); 5309 #endif 5310 splx(s); 5311 } 5312 return 0; 5313 } 5314 5315 static device_method_t tulip_pci_methods[] = { 5316 /* Device interface */ 5317 DEVMETHOD(device_probe, tulip_pci_probe), 5318 DEVMETHOD(device_attach, tulip_pci_attach), 5319 DEVMETHOD(device_shutdown, tulip_shutdown), 5320 { 0, 0 } 5321 }; 5322 static driver_t tulip_pci_driver = { 5323 "de", 5324 tulip_pci_methods, 5325 sizeof(tulip_softc_t), 5326 }; 5327 static devclass_t tulip_devclass; 5328 5329 DECLARE_DUMMY_MODULE(if_de); 5330 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 5331 5332