fxr.watson.org: FREEBSD-5-3 sys/pci/if

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sys/pci/if_de.c

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1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 /*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28 /* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD: releng/5.3/sys/pci/if_de.c 136802 2004-10-23 03:12:33Z jmg $"); 40 41 #define TULIP_HDR_DATA 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/endian.h> 46 #include <sys/mbuf.h> 47 #include <sys/socket.h> 48 #include <sys/sockio.h> 49 #include <sys/malloc.h> 50 #include <sys/kernel.h> 51 #include <sys/module.h> 52 #include <sys/eventhandler.h> 53 #include <machine/bus.h> 54 #include <machine/resource.h> 55 #include <sys/bus.h> 56 #include <sys/rman.h> 57 58 #include <net/if.h> 59 #include <net/if_arp.h> 60 #include <net/ethernet.h> 61 #include <net/if_media.h> 62 #include <net/if_dl.h> 63 #ifdef TULIP_USE_SOFTINTR 64 #include <net/netisr.h> 65 #endif 66 67 #include <net/bpf.h> 68 69 #ifdef INET 70 #include <netinet/in.h> 71 #include <netinet/if_ether.h> 72 #endif 73 74 #include <vm/vm.h> 75 76 #include <net/if_var.h> 77 #include <vm/pmap.h> 78 #include <dev/pci/pcivar.h> 79 #include <dev/pci/pcireg.h> 80 #include <pci/dc21040reg.h> 81 82 /* 83 * Intel CPUs should use I/O mapped access. 84 */ 85 #if defined(__i386__) 86 #define TULIP_IOMAPPED 87 #endif 88 89 #if 0 90 /* 91 * This turns on all sort of debugging stuff and make the 92 * driver much larger. 93 */ 94 #define TULIP_DEBUG 95 #endif 96 97 #if 0 98 #define TULIP_PERFSTATS 99 #endif 100 101 #if 0 102 #define TULIP_USE_SOFTINTR 103 #endif 104 105 #define TULIP_HZ 10 106 107 #include <pci/if_devar.h> 108 109 /* 110 * This module supports 111 * the DEC 21040 PCI Ethernet Controller. 112 * the DEC 21041 PCI Ethernet Controller. 113 * the DEC 21140 PCI Fast Ethernet Controller. 114 */ 115 static void tulip_addr_filter(tulip_softc_t * const sc); 116 static void tulip_ifinit(void *); 117 static int tulip_ifmedia_change(struct ifnet * const ifp); 118 static void tulip_ifmedia_status(struct ifnet * const ifp, 119 struct ifmediareq *req); 120 static void tulip_ifstart(struct ifnet *ifp); 121 static void tulip_init(tulip_softc_t * const sc); 122 static void tulip_intr_shared(void *arg); 123 static void tulip_intr_normal(void *arg); 124 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 125 const unsigned phyaddr); 126 static int tulip_mii_map_abilities(tulip_softc_t * const sc, 127 unsigned abilities); 128 static tulip_media_t 129 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 130 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 131 unsigned regno); 132 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 133 unsigned regno, unsigned data); 134 static void tulip_reset(tulip_softc_t * const sc); 135 static void tulip_rx_intr(tulip_softc_t * const sc); 136 static int tulip_srom_decode(tulip_softc_t * const sc); 137 static struct mbuf * 138 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 139 static void tulip_txput_setup(tulip_softc_t * const sc); 140 141 static void 142 tulip_timeout_callback( 143 void *arg) 144 { 145 tulip_softc_t * const sc = arg; 146 int s = splimp(); 147 148 TULIP_PERFSTART(timeout) 149 150 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 151 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 152 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 153 154 TULIP_PERFEND(timeout); 155 splx(s); 156 } 157 158 static void 159 tulip_timeout( 160 tulip_softc_t * const sc) 161 { 162 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 163 return; 164 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 165 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 166 } 167 168 #if defined(TULIP_NEED_FASTTIMEOUT) 169 static void 170 tulip_fasttimeout_callback( 171 void *arg) 172 { 173 tulip_softc_t * const sc = arg; 174 int s = splimp(); 175 176 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 177 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 178 splx(s); 179 } 180 181 static void 182 tulip_fasttimeout( 183 tulip_softc_t * const sc) 184 { 185 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 186 return; 187 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 188 timeout(tulip_fasttimeout_callback, sc, 1); 189 } 190 #endif 191 192 static int 193 tulip_txprobe( 194 tulip_softc_t * const sc) 195 { 196 struct mbuf *m; 197 /* 198 * Before we are sure this is the right media we need 199 * to send a small packet to make sure there's carrier. 200 * Strangely, BNC and AUI will "see" receive data if 201 * either is connected so the transmit is the only way 202 * to verify the connectivity. 203 */ 204 MGETHDR(m, M_DONTWAIT, MT_DATA); 205 if (m == NULL) 206 return 0; 207 /* 208 * Construct a LLC TEST message which will point to ourselves. 209 */ 210 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 211 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 212 mtod(m, struct ether_header *)->ether_type = htons(3); 213 mtod(m, unsigned char *)[14] = 0; 214 mtod(m, unsigned char *)[15] = 0; 215 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 216 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 217 /* 218 * send it! 219 */ 220 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 221 sc->tulip_intrmask |= TULIP_STS_TXINTR; 222 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 223 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 224 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 225 if ((m = tulip_txput(sc, m)) != NULL) 226 m_freem(m); 227 sc->tulip_probe.probe_txprobes++; 228 return 1; 229 } 230 231 #ifdef BIG_PACKET 232 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 233 #else 234 #define TULIP_SIAGEN_WATCHDOG 0 235 #endif 236 237 static void 238 tulip_media_set( 239 tulip_softc_t * const sc, 240 tulip_media_t media) 241 { 242 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 243 244 if (mi == NULL) 245 return; 246 247 /* 248 * If we are switching media, make sure we don't think there's 249 * any stale RX activity 250 */ 251 sc->tulip_flags &= ~TULIP_RXACT; 252 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 253 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 254 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 255 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 256 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 257 DELAY(50); 258 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 259 } else { 260 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 261 } 262 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 263 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 264 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 265 /* 266 * If the cmdmode bits don't match the currently operating mode, 267 * set the cmdmode appropriately and reset the chip. 268 */ 269 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 270 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 271 sc->tulip_cmdmode |= mi->mi_cmdmode; 272 tulip_reset(sc); 273 } 274 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 275 DELAY(10); 276 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 277 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 278 /* 279 * If the cmdmode bits don't match the currently operating mode, 280 * set the cmdmode appropriately and reset the chip. 281 */ 282 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 283 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 284 sc->tulip_cmdmode |= mi->mi_cmdmode; 285 tulip_reset(sc); 286 } 287 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 288 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 289 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 290 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 291 int idx; 292 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 293 const u_int8_t *dp; 294 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 295 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 296 DELAY(10); 297 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 298 } 299 sc->tulip_phyaddr = mi->mi_phyaddr; 300 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 301 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 302 DELAY(10); 303 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 304 } 305 } else { 306 for (idx = 0; idx < mi->mi_reset_length; idx++) { 307 DELAY(10); 308 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 309 } 310 sc->tulip_phyaddr = mi->mi_phyaddr; 311 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 312 DELAY(10); 313 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 314 } 315 } 316 if (sc->tulip_flags & TULIP_TRYNWAY) { 317 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 318 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 319 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 320 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 321 sc->tulip_flags &= ~TULIP_DIDNWAY; 322 if (TULIP_IS_MEDIA_FD(media)) 323 data |= PHYCTL_FULL_DUPLEX; 324 if (TULIP_IS_MEDIA_100MB(media)) 325 data |= PHYCTL_SELECT_100MB; 326 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 327 } 328 } 329 } 330 331 static void 332 tulip_linkup( 333 tulip_softc_t * const sc, 334 tulip_media_t media) 335 { 336 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 337 sc->tulip_flags |= TULIP_PRINTLINKUP; 338 sc->tulip_flags |= TULIP_LINKUP; 339 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 340 #if 0 /* XXX how does with work with ifmedia? */ 341 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 342 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 343 if (TULIP_CAN_MEDIA_FD(media) 344 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 345 media = TULIP_FD_MEDIA_OF(media); 346 } else { 347 if (TULIP_IS_MEDIA_FD(media) 348 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 349 media = TULIP_HD_MEDIA_OF(media); 350 } 351 } 352 #endif 353 if (sc->tulip_media != media) { 354 #ifdef TULIP_DEBUG 355 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 356 #endif 357 sc->tulip_media = media; 358 sc->tulip_flags |= TULIP_PRINTMEDIA; 359 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 360 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 361 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 362 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 363 } 364 } 365 /* 366 * We could set probe_timeout to 0 but setting to 3000 puts this 367 * in one central place and the only matters is tulip_link is 368 * followed by a tulip_timeout. Therefore setting it should not 369 * result in aberrant behavour. 370 */ 371 sc->tulip_probe_timeout = 3000; 372 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 373 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 374 if (sc->tulip_flags & TULIP_INRESET) { 375 tulip_media_set(sc, sc->tulip_media); 376 } else if (sc->tulip_probe_media != sc->tulip_media) { 377 /* 378 * No reason to change media if we have the right media. 379 */ 380 tulip_reset(sc); 381 } 382 tulip_init(sc); 383 } 384 385 static void 386 tulip_media_print( 387 tulip_softc_t * const sc) 388 { 389 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 390 return; 391 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 392 printf("%s: enabling %s port\n", 393 sc->tulip_xname, 394 tulip_mediums[sc->tulip_media]); 395 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 396 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 397 printf("%s: link up\n", sc->tulip_xname); 398 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 399 } 400 } 401 402 #if defined(TULIP_DO_GPR_SENSE) 403 static tulip_media_t 404 tulip_21140_gpr_media_sense( 405 tulip_softc_t * const sc) 406 { 407 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 408 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 409 tulip_media_t media; 410 411 /* 412 * If one of the media blocks contained a default media flag, 413 * use that. 414 */ 415 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 416 const tulip_media_info_t *mi; 417 /* 418 * Media is not supported (or is full-duplex). 419 */ 420 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 421 continue; 422 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 423 continue; 424 425 /* 426 * Remember the media is this is the "default" media. 427 */ 428 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 429 maybe_media = media; 430 431 /* 432 * No activity mask? Can't see if it is active if there's no mask. 433 */ 434 if (mi->mi_actmask == 0) 435 continue; 436 437 /* 438 * Does the activity data match? 439 */ 440 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 441 continue; 442 443 #if defined(TULIP_DEBUG) 444 printf("%s: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 445 sc->tulip_xname, tulip_mediums[media], 446 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 447 mi->mi_actmask, mi->mi_actdata); 448 #endif 449 /* 450 * It does! If this is the first media we detected, then 451 * remember this media. If isn't the first, then there were 452 * multiple matches which we equate to no match (since we don't 453 * which to select (if any). 454 */ 455 if (last_media == TULIP_MEDIA_UNKNOWN) { 456 last_media = media; 457 } else if (last_media != media) { 458 last_media = TULIP_MEDIA_UNKNOWN; 459 } 460 } 461 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 462 } 463 #endif /* TULIP_DO_GPR_SENSE */ 464 465 static tulip_link_status_t 466 tulip_media_link_monitor( 467 tulip_softc_t * const sc) 468 { 469 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 470 tulip_link_status_t linkup = TULIP_LINK_DOWN; 471 472 if (mi == NULL) { 473 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 474 panic("tulip_media_link_monitor: %s: botch at line %d\n", 475 tulip_mediums[sc->tulip_media],__LINE__); 476 #else 477 return TULIP_LINK_UNKNOWN; 478 #endif 479 } 480 481 482 /* 483 * Have we seen some packets? If so, the link must be good. 484 */ 485 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 486 sc->tulip_flags &= ~TULIP_RXACT; 487 sc->tulip_probe_timeout = 3000; 488 return TULIP_LINK_UP; 489 } 490 491 sc->tulip_flags &= ~TULIP_RXACT; 492 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 493 u_int32_t status; 494 /* 495 * Read the PHY status register. 496 */ 497 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 498 if (status & PHYSTS_AUTONEG_DONE) { 499 /* 500 * If the PHY has completed autonegotiation, see the if the 501 * remote systems abilities have changed. If so, upgrade or 502 * downgrade as appropriate. 503 */ 504 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 505 abilities = (abilities << 6) & status; 506 if (abilities != sc->tulip_abilities) { 507 #if defined(TULIP_DEBUG) 508 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 509 sc->tulip_xname, sc->tulip_phyaddr, 510 sc->tulip_abilities, abilities); 511 #endif 512 if (tulip_mii_map_abilities(sc, abilities)) { 513 tulip_linkup(sc, sc->tulip_probe_media); 514 return TULIP_LINK_UP; 515 } 516 /* 517 * if we had selected media because of autonegotiation, 518 * we need to probe for the new media. 519 */ 520 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 521 if (sc->tulip_flags & TULIP_DIDNWAY) 522 return TULIP_LINK_DOWN; 523 } 524 } 525 /* 526 * The link is now up. If was down, say its back up. 527 */ 528 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 529 linkup = TULIP_LINK_UP; 530 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 531 /* 532 * No activity sensor? Assume all's well. 533 */ 534 if (mi->mi_actmask == 0) 535 return TULIP_LINK_UNKNOWN; 536 /* 537 * Does the activity data match? 538 */ 539 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 540 linkup = TULIP_LINK_UP; 541 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 542 /* 543 * Assume non TP ok for now. 544 */ 545 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 546 return TULIP_LINK_UNKNOWN; 547 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 548 linkup = TULIP_LINK_UP; 549 #if defined(TULIP_DEBUG) 550 if (sc->tulip_probe_timeout <= 0) 551 printf("%s: sia status = 0x%08x\n", sc->tulip_xname, 552 TULIP_CSR_READ(sc, csr_sia_status)); 553 #endif 554 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 555 return TULIP_LINK_UNKNOWN; 556 } 557 /* 558 * We will wait for 3 seconds until the link goes into suspect mode. 559 */ 560 if (sc->tulip_flags & TULIP_LINKUP) { 561 if (linkup == TULIP_LINK_UP) 562 sc->tulip_probe_timeout = 3000; 563 if (sc->tulip_probe_timeout > 0) 564 return TULIP_LINK_UP; 565 566 sc->tulip_flags &= ~TULIP_LINKUP; 567 printf("%s: link down: cable problem?\n", sc->tulip_xname); 568 } 569 #if defined(TULIP_DEBUG) 570 sc->tulip_dbg.dbg_link_downed++; 571 #endif 572 return TULIP_LINK_DOWN; 573 } 574 575 static void 576 tulip_media_poll( 577 tulip_softc_t * const sc, 578 tulip_mediapoll_event_t event) 579 { 580 #if defined(TULIP_DEBUG) 581 sc->tulip_dbg.dbg_events[event]++; 582 #endif 583 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 584 && event == TULIP_MEDIAPOLL_TIMER) { 585 switch (tulip_media_link_monitor(sc)) { 586 case TULIP_LINK_DOWN: { 587 /* 588 * Link Monitor failed. Probe for new media. 589 */ 590 event = TULIP_MEDIAPOLL_LINKFAIL; 591 break; 592 } 593 case TULIP_LINK_UP: { 594 /* 595 * Check again soon. 596 */ 597 tulip_timeout(sc); 598 return; 599 } 600 case TULIP_LINK_UNKNOWN: { 601 /* 602 * We can't tell so don't bother. 603 */ 604 return; 605 } 606 } 607 } 608 609 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 610 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 611 if (TULIP_DO_AUTOSENSE(sc)) { 612 #if defined(TULIP_DEBUG) 613 sc->tulip_dbg.dbg_link_failures++; 614 #endif 615 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 616 if (sc->tulip_if.if_flags & IFF_UP) 617 tulip_reset(sc); /* restart probe */ 618 } 619 return; 620 } 621 #if defined(TULIP_DEBUG) 622 sc->tulip_dbg.dbg_link_pollintrs++; 623 #endif 624 } 625 626 if (event == TULIP_MEDIAPOLL_START) { 627 sc->tulip_if.if_flags |= IFF_OACTIVE; 628 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 629 return; 630 sc->tulip_probe_mediamask = 0; 631 sc->tulip_probe_passes = 0; 632 #if defined(TULIP_DEBUG) 633 sc->tulip_dbg.dbg_media_probes++; 634 #endif 635 /* 636 * If the SROM contained an explicit media to use, use it. 637 */ 638 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 639 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 640 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 641 /* 642 * connidx is defaulted to a media_unknown type. 643 */ 644 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 645 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 646 tulip_linkup(sc, sc->tulip_probe_media); 647 tulip_timeout(sc); 648 return; 649 } 650 651 if (sc->tulip_features & TULIP_HAVE_GPR) { 652 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 653 sc->tulip_probe_timeout = 2000; 654 } else { 655 sc->tulip_probe_media = TULIP_MEDIA_MAX; 656 sc->tulip_probe_timeout = 0; 657 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 658 } 659 } 660 661 /* 662 * Ignore txprobe failures or spurious callbacks. 663 */ 664 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 665 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 666 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 667 return; 668 } 669 670 /* 671 * If we really transmitted a packet, then that's the media we'll use. 672 */ 673 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 674 if (event == TULIP_MEDIAPOLL_LINKPASS) { 675 /* XXX Check media status just to be sure */ 676 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 677 #if defined(TULIP_DEBUG) 678 } else { 679 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 680 #endif 681 } 682 tulip_linkup(sc, sc->tulip_probe_media); 683 tulip_timeout(sc); 684 return; 685 } 686 687 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 688 #if defined(TULIP_DO_GPR_SENSE) 689 /* 690 * Check for media via the general purpose register. 691 * 692 * Try to sense the media via the GPR. If the same value 693 * occurs 3 times in a row then just use that. 694 */ 695 if (sc->tulip_probe_timeout > 0) { 696 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 697 #if defined(TULIP_DEBUG) 698 printf("%s: media_poll: gpr sensing = %s\n", 699 sc->tulip_xname, tulip_mediums[new_probe_media]); 700 #endif 701 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 702 if (new_probe_media == sc->tulip_probe_media) { 703 if (--sc->tulip_probe_count == 0) 704 tulip_linkup(sc, sc->tulip_probe_media); 705 } else { 706 sc->tulip_probe_count = 10; 707 } 708 } 709 sc->tulip_probe_media = new_probe_media; 710 tulip_timeout(sc); 711 return; 712 } 713 #endif /* TULIP_DO_GPR_SENSE */ 714 /* 715 * Brute force. We cycle through each of the media types 716 * and try to transmit a packet. 717 */ 718 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 719 sc->tulip_probe_media = TULIP_MEDIA_MAX; 720 sc->tulip_probe_timeout = 0; 721 tulip_timeout(sc); 722 return; 723 } 724 725 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 726 && (sc->tulip_features & TULIP_HAVE_MII)) { 727 tulip_media_t old_media = sc->tulip_probe_media; 728 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 729 switch (sc->tulip_probe_state) { 730 case TULIP_PROBE_FAILED: 731 case TULIP_PROBE_MEDIATEST: { 732 /* 733 * Try the next media. 734 */ 735 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 736 sc->tulip_probe_timeout = 0; 737 #ifdef notyet 738 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 739 break; 740 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 741 break; 742 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 743 #endif 744 break; 745 } 746 case TULIP_PROBE_PHYAUTONEG: { 747 return; 748 } 749 case TULIP_PROBE_INACTIVE: { 750 /* 751 * Only probe if we autonegotiated a media that hasn't failed. 752 */ 753 sc->tulip_probe_timeout = 0; 754 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 755 sc->tulip_probe_media = old_media; 756 break; 757 } 758 tulip_linkup(sc, sc->tulip_probe_media); 759 tulip_timeout(sc); 760 return; 761 } 762 default: { 763 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 764 panic("tulip_media_poll: botch at line %d\n", __LINE__); 765 #endif 766 break; 767 } 768 } 769 } 770 771 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 772 #if defined(TULIP_DEBUG) 773 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 774 #endif 775 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 776 return; 777 } 778 779 /* 780 * switch to another media if we tried this one enough. 781 */ 782 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 783 #if defined(TULIP_DEBUG) 784 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 785 printf("%s: poll media unknown!\n", 786 sc->tulip_xname); 787 sc->tulip_probe_media = TULIP_MEDIA_MAX; 788 } 789 #endif 790 /* 791 * Find the next media type to check for. Full Duplex 792 * types are not allowed. 793 */ 794 do { 795 sc->tulip_probe_media -= 1; 796 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 797 if (++sc->tulip_probe_passes == 3) { 798 printf("%s: autosense failed: cable problem?\n", 799 sc->tulip_xname); 800 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 801 sc->tulip_if.if_flags &= ~IFF_RUNNING; 802 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 803 return; 804 } 805 } 806 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 807 sc->tulip_probe_mediamask = 0; 808 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 809 } 810 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 811 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 812 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 813 814 #if defined(TULIP_DEBUG) 815 printf("%s: %s: probing %s\n", sc->tulip_xname, 816 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 817 tulip_mediums[sc->tulip_probe_media]); 818 #endif 819 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 820 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 821 sc->tulip_probe.probe_txprobes = 0; 822 tulip_reset(sc); 823 tulip_media_set(sc, sc->tulip_probe_media); 824 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 825 } 826 tulip_timeout(sc); 827 828 /* 829 * If this is hanging off a phy, we know are doing NWAY and we have 830 * forced the phy to a specific speed. Wait for link up before 831 * before sending a packet. 832 */ 833 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 834 case TULIP_MEDIAINFO_MII: { 835 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 836 return; 837 break; 838 } 839 case TULIP_MEDIAINFO_SIA: { 840 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 841 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 842 return; 843 tulip_linkup(sc, sc->tulip_probe_media); 844 #ifdef notyet 845 if (sc->tulip_features & TULIP_HAVE_MII) 846 tulip_timeout(sc); 847 #endif 848 return; 849 } 850 break; 851 } 852 case TULIP_MEDIAINFO_RESET: 853 case TULIP_MEDIAINFO_SYM: 854 case TULIP_MEDIAINFO_NONE: 855 case TULIP_MEDIAINFO_GPR: { 856 break; 857 } 858 } 859 /* 860 * Try to send a packet. 861 */ 862 tulip_txprobe(sc); 863 } 864 865 static void 866 tulip_media_select( 867 tulip_softc_t * const sc) 868 { 869 if (sc->tulip_features & TULIP_HAVE_GPR) { 870 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 871 DELAY(10); 872 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 873 } 874 /* 875 * If this board has no media, just return 876 */ 877 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 878 return; 879 880 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 881 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 882 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 883 } else { 884 tulip_media_set(sc, sc->tulip_media); 885 } 886 } 887 888 static void 889 tulip_21040_mediainfo_init( 890 tulip_softc_t * const sc, 891 tulip_media_t media) 892 { 893 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 894 |TULIP_CMD_BACKOFFCTR; 895 sc->tulip_if.if_baudrate = 10000000; 896 897 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 898 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 899 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 900 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 901 } 902 903 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 904 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 905 } 906 907 if (media == TULIP_MEDIA_UNKNOWN) { 908 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 909 } 910 } 911 912 static void 913 tulip_21040_media_probe( 914 tulip_softc_t * const sc) 915 { 916 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 917 return; 918 } 919 920 static void 921 tulip_21040_10baset_only_media_probe( 922 tulip_softc_t * const sc) 923 { 924 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 925 tulip_media_set(sc, TULIP_MEDIA_10BASET); 926 sc->tulip_media = TULIP_MEDIA_10BASET; 927 } 928 929 static void 930 tulip_21040_10baset_only_media_select( 931 tulip_softc_t * const sc) 932 { 933 sc->tulip_flags |= TULIP_LINKUP; 934 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 935 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 936 sc->tulip_flags &= ~TULIP_SQETEST; 937 } else { 938 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 939 sc->tulip_flags |= TULIP_SQETEST; 940 } 941 tulip_media_set(sc, sc->tulip_media); 942 } 943 944 static void 945 tulip_21040_auibnc_only_media_probe( 946 tulip_softc_t * const sc) 947 { 948 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 949 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 950 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 951 sc->tulip_media = TULIP_MEDIA_AUIBNC; 952 } 953 954 static void 955 tulip_21040_auibnc_only_media_select( 956 tulip_softc_t * const sc) 957 { 958 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 959 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 960 } 961 962 static const tulip_boardsw_t tulip_21040_boardsw = { 963 TULIP_21040_GENERIC, 964 tulip_21040_media_probe, 965 tulip_media_select, 966 tulip_media_poll, 967 }; 968 969 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 970 TULIP_21040_GENERIC, 971 tulip_21040_10baset_only_media_probe, 972 tulip_21040_10baset_only_media_select, 973 NULL, 974 }; 975 976 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 977 TULIP_21040_GENERIC, 978 tulip_21040_auibnc_only_media_probe, 979 tulip_21040_auibnc_only_media_select, 980 NULL, 981 }; 982 983 static void 984 tulip_21041_mediainfo_init( 985 tulip_softc_t * const sc) 986 { 987 tulip_media_info_t * const mi = sc->tulip_mediainfo; 988 989 #ifdef notyet 990 if (sc->tulip_revinfo >= 0x20) { 991 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 992 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 993 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 994 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 995 return; 996 } 997 #endif 998 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 999 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1000 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1001 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1002 } 1003 1004 static void 1005 tulip_21041_media_probe( 1006 tulip_softc_t * const sc) 1007 { 1008 sc->tulip_if.if_baudrate = 10000000; 1009 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1010 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1011 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1012 tulip_21041_mediainfo_init(sc); 1013 } 1014 1015 static void 1016 tulip_21041_media_poll( 1017 tulip_softc_t * const sc, 1018 const tulip_mediapoll_event_t event) 1019 { 1020 u_int32_t sia_status; 1021 1022 #if defined(TULIP_DEBUG) 1023 sc->tulip_dbg.dbg_events[event]++; 1024 #endif 1025 1026 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1027 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1028 || !TULIP_DO_AUTOSENSE(sc)) 1029 return; 1030 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1031 tulip_reset(sc); /* start probe */ 1032 return; 1033 } 1034 1035 /* 1036 * If we've been been asked to start a poll or link change interrupt 1037 * restart the probe (and reset the tulip to a known state). 1038 */ 1039 if (event == TULIP_MEDIAPOLL_START) { 1040 sc->tulip_if.if_flags |= IFF_OACTIVE; 1041 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1042 #ifdef notyet 1043 if (sc->tulip_revinfo >= 0x20) { 1044 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1045 sc->tulip_flags |= TULIP_DIDNWAY; 1046 } 1047 #endif 1048 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1049 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1050 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1051 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1052 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1053 tulip_timeout(sc); 1054 return; 1055 } 1056 1057 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1058 return; 1059 1060 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1061 #if defined(TULIP_DEBUG) 1062 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1063 #endif 1064 tulip_linkup(sc, sc->tulip_probe_media); 1065 return; 1066 } 1067 1068 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1069 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1070 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1071 if (sc->tulip_revinfo >= 0x20) { 1072 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1073 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1074 } 1075 /* 1076 * If the link has passed LinkPass, 10baseT is the 1077 * proper media to use. 1078 */ 1079 tulip_linkup(sc, sc->tulip_probe_media); 1080 return; 1081 } 1082 1083 /* 1084 * wait for up to 2.4 seconds for the link to reach pass state. 1085 * Only then start scanning the other media for activity. 1086 * choose media with receive activity over those without. 1087 */ 1088 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1089 if (event != TULIP_MEDIAPOLL_TIMER) 1090 return; 1091 if (sc->tulip_probe_timeout > 0 1092 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1093 tulip_timeout(sc); 1094 return; 1095 } 1096 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1097 sc->tulip_flags |= TULIP_WANTRXACT; 1098 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1099 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1100 } else { 1101 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1102 } 1103 tulip_media_set(sc, sc->tulip_probe_media); 1104 tulip_timeout(sc); 1105 return; 1106 } 1107 1108 /* 1109 * If we failed, clear the txprobe active flag. 1110 */ 1111 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1112 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1113 1114 1115 if (event == TULIP_MEDIAPOLL_TIMER) { 1116 /* 1117 * If we've received something, then that's our link! 1118 */ 1119 if (sc->tulip_flags & TULIP_RXACT) { 1120 tulip_linkup(sc, sc->tulip_probe_media); 1121 return; 1122 } 1123 /* 1124 * if no txprobe active 1125 */ 1126 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1127 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1128 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1129 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1130 tulip_txprobe(sc); 1131 tulip_timeout(sc); 1132 return; 1133 } 1134 /* 1135 * Take 2 passes through before deciding to not 1136 * wait for receive activity. Then take another 1137 * two passes before spitting out a warning. 1138 */ 1139 if (sc->tulip_probe_timeout <= 0) { 1140 if (sc->tulip_flags & TULIP_WANTRXACT) { 1141 sc->tulip_flags &= ~TULIP_WANTRXACT; 1142 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1143 } else { 1144 printf("%s: autosense failed: cable problem?\n", 1145 sc->tulip_xname); 1146 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1147 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1148 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1149 return; 1150 } 1151 } 1152 } 1153 } 1154 1155 /* 1156 * Since this media failed to probe, try the other one. 1157 */ 1158 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1159 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1160 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1161 } else { 1162 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1163 } 1164 tulip_media_set(sc, sc->tulip_probe_media); 1165 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1166 tulip_timeout(sc); 1167 } 1168 1169 static const tulip_boardsw_t tulip_21041_boardsw = { 1170 TULIP_21041_GENERIC, 1171 tulip_21041_media_probe, 1172 tulip_media_select, 1173 tulip_21041_media_poll 1174 }; 1175 1176 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1177 { 0x20005c00, 0, /* 08-00-17 */ 1178 { 1179 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1180 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1181 }, 1182 #if defined(TULIP_DEBUG) 1183 "NS DP83840", 1184 #endif 1185 }, 1186 { 0x0281F400, 0, /* 00-A0-7D */ 1187 { 1188 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1189 { }, /* 100TX */ 1190 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1191 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1192 }, 1193 #if defined(TULIP_DEBUG) 1194 "Seeq 80C240" 1195 #endif 1196 }, 1197 #if 0 1198 { 0x0015F420, 0, /* 00-A0-7D */ 1199 { 1200 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1201 { }, /* 100TX */ 1202 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1203 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1204 }, 1205 #if defined(TULIP_DEBUG) 1206 "Broadcom BCM5000" 1207 #endif 1208 }, 1209 #endif 1210 { 0x0281F400, 0, /* 00-A0-BE */ 1211 { 1212 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1213 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1214 { }, /* 100T4 */ 1215 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1216 }, 1217 #if defined(TULIP_DEBUG) 1218 "ICS 1890" 1219 #endif 1220 }, 1221 { 0 } 1222 }; 1223 1224 static tulip_media_t 1225 tulip_mii_phy_readspecific( 1226 tulip_softc_t * const sc) 1227 { 1228 const tulip_phy_attr_t *attr; 1229 u_int16_t data; 1230 u_int32_t id; 1231 unsigned idx = 0; 1232 static const tulip_media_t table[] = { 1233 TULIP_MEDIA_UNKNOWN, 1234 TULIP_MEDIA_10BASET, 1235 TULIP_MEDIA_100BASETX, 1236 TULIP_MEDIA_100BASET4, 1237 TULIP_MEDIA_UNKNOWN, 1238 TULIP_MEDIA_10BASET_FD, 1239 TULIP_MEDIA_100BASETX_FD, 1240 TULIP_MEDIA_UNKNOWN 1241 }; 1242 1243 /* 1244 * Don't read phy specific registers if link is not up. 1245 */ 1246 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1247 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1248 return TULIP_MEDIA_UNKNOWN; 1249 1250 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1251 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1252 for (attr = tulip_mii_phy_attrlist;; attr++) { 1253 if (attr->attr_id == 0) 1254 return TULIP_MEDIA_UNKNOWN; 1255 if ((id & ~0x0F) == attr->attr_id) 1256 break; 1257 } 1258 1259 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1260 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1261 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1262 if ((data & pm->pm_mask) == pm->pm_value) 1263 idx = 2; 1264 } 1265 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1266 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1267 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1268 if ((data & pm->pm_mask) == pm->pm_value) 1269 idx = 3; 1270 } 1271 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1272 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1273 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1274 if ((data & pm->pm_mask) == pm->pm_value) 1275 idx = 1; 1276 } 1277 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1278 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1279 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1280 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1281 } 1282 return table[idx]; 1283 } 1284 1285 static unsigned 1286 tulip_mii_get_phyaddr( 1287 tulip_softc_t * const sc, 1288 unsigned offset) 1289 { 1290 unsigned phyaddr; 1291 1292 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1293 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1294 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1295 continue; 1296 if (offset == 0) 1297 return phyaddr; 1298 offset--; 1299 } 1300 if (offset == 0) { 1301 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1302 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1303 return TULIP_MII_NOPHY; 1304 return 0; 1305 } 1306 return TULIP_MII_NOPHY; 1307 } 1308 1309 static int 1310 tulip_mii_map_abilities( 1311 tulip_softc_t * const sc, 1312 unsigned abilities) 1313 { 1314 sc->tulip_abilities = abilities; 1315 if (abilities & PHYSTS_100BASETX_FD) { 1316 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1317 } else if (abilities & PHYSTS_100BASET4) { 1318 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1319 } else if (abilities & PHYSTS_100BASETX) { 1320 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1321 } else if (abilities & PHYSTS_10BASET_FD) { 1322 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1323 } else if (abilities & PHYSTS_10BASET) { 1324 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1325 } else { 1326 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1327 return 0; 1328 } 1329 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1330 return 1; 1331 } 1332 1333 static void 1334 tulip_mii_autonegotiate( 1335 tulip_softc_t * const sc, 1336 const unsigned phyaddr) 1337 { 1338 switch (sc->tulip_probe_state) { 1339 case TULIP_PROBE_MEDIATEST: 1340 case TULIP_PROBE_INACTIVE: { 1341 sc->tulip_flags |= TULIP_DIDNWAY; 1342 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1343 sc->tulip_probe_timeout = 3000; 1344 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1345 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1346 } 1347 /* FALLTHROUGH */ 1348 case TULIP_PROBE_PHYRESET: { 1349 u_int32_t status; 1350 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1351 if (data & PHYCTL_RESET) { 1352 if (sc->tulip_probe_timeout > 0) { 1353 tulip_timeout(sc); 1354 return; 1355 } 1356 printf("%s(phy%d): error: reset of PHY never completed!\n", 1357 sc->tulip_xname, phyaddr); 1358 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1359 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1360 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1361 return; 1362 } 1363 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1364 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1365 #if defined(TULIP_DEBUG) 1366 loudprintf("%s(phy%d): autonegotiation disabled\n", 1367 sc->tulip_xname, phyaddr); 1368 #endif 1369 sc->tulip_flags &= ~TULIP_DIDNWAY; 1370 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1371 return; 1372 } 1373 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1374 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1375 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1376 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1377 #if defined(TULIP_DEBUG) 1378 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1379 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1380 sc->tulip_xname, phyaddr, data); 1381 else 1382 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1383 sc->tulip_xname, phyaddr, data); 1384 sc->tulip_dbg.dbg_nway_starts++; 1385 #endif 1386 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1387 sc->tulip_probe_timeout = 3000; 1388 } 1389 /* FALLTHROUGH */ 1390 case TULIP_PROBE_PHYAUTONEG: { 1391 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1392 u_int32_t data; 1393 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1394 if (sc->tulip_probe_timeout > 0) { 1395 tulip_timeout(sc); 1396 return; 1397 } 1398 #if defined(TULIP_DEBUG) 1399 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1400 sc->tulip_xname, phyaddr, status, 1401 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1402 #endif 1403 sc->tulip_flags &= ~TULIP_DIDNWAY; 1404 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1405 return; 1406 } 1407 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1408 #if defined(TULIP_DEBUG) 1409 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1410 sc->tulip_xname, phyaddr, data); 1411 #endif 1412 data = (data << 6) & status; 1413 if (!tulip_mii_map_abilities(sc, data)) 1414 sc->tulip_flags &= ~TULIP_DIDNWAY; 1415 return; 1416 } 1417 default: { 1418 #if defined(DIAGNOSTIC) 1419 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1420 #endif 1421 break; 1422 } 1423 } 1424 #if defined(TULIP_DEBUG) 1425 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1426 sc->tulip_xname, phyaddr, sc->tulip_probe_state); 1427 sc->tulip_dbg.dbg_nway_failures++; 1428 #endif 1429 } 1430 1431 static void 1432 tulip_2114x_media_preset( 1433 tulip_softc_t * const sc) 1434 { 1435 const tulip_media_info_t *mi = NULL; 1436 tulip_media_t media = sc->tulip_media; 1437 1438 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1439 media = sc->tulip_media; 1440 else 1441 media = sc->tulip_probe_media; 1442 1443 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1444 sc->tulip_flags &= ~TULIP_SQETEST; 1445 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1446 #if defined(TULIP_DEBUG) 1447 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1448 #endif 1449 mi = sc->tulip_mediums[media]; 1450 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1451 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1452 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1453 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1454 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1455 sc->tulip_cmdmode |= mi->mi_cmdmode; 1456 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1457 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1458 } 1459 #if defined(TULIP_DEBUG) 1460 } else { 1461 printf("%s: preset: bad media %d!\n", 1462 sc->tulip_xname, media); 1463 } 1464 #endif 1465 } 1466 switch (media) { 1467 case TULIP_MEDIA_BNC: 1468 case TULIP_MEDIA_AUI: 1469 case TULIP_MEDIA_10BASET: { 1470 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1471 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1472 sc->tulip_if.if_baudrate = 10000000; 1473 sc->tulip_flags |= TULIP_SQETEST; 1474 break; 1475 } 1476 case TULIP_MEDIA_10BASET_FD: { 1477 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1478 sc->tulip_if.if_baudrate = 10000000; 1479 break; 1480 } 1481 case TULIP_MEDIA_100BASEFX: 1482 case TULIP_MEDIA_100BASET4: 1483 case TULIP_MEDIA_100BASETX: { 1484 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1485 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1486 sc->tulip_if.if_baudrate = 100000000; 1487 break; 1488 } 1489 case TULIP_MEDIA_100BASEFX_FD: 1490 case TULIP_MEDIA_100BASETX_FD: { 1491 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1492 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1493 sc->tulip_if.if_baudrate = 100000000; 1494 break; 1495 } 1496 default: { 1497 break; 1498 } 1499 } 1500 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1501 } 1502 1503 /* 1504 ******************************************************************** 1505 * Start of 21140/21140A support which does not use the MII interface 1506 */ 1507 1508 static void 1509 tulip_null_media_poll( 1510 tulip_softc_t * const sc, 1511 tulip_mediapoll_event_t event) 1512 { 1513 #if defined(TULIP_DEBUG) 1514 sc->tulip_dbg.dbg_events[event]++; 1515 #endif 1516 #if defined(DIAGNOSTIC) 1517 printf("%s: botch(media_poll) at line %d\n", 1518 sc->tulip_xname, __LINE__); 1519 #endif 1520 } 1521 1522 __inline static void 1523 tulip_21140_mediainit( 1524 tulip_softc_t * const sc, 1525 tulip_media_info_t * const mip, 1526 tulip_media_t const media, 1527 unsigned gpdata, 1528 unsigned cmdmode) 1529 { 1530 sc->tulip_mediums[media] = mip; 1531 mip->mi_type = TULIP_MEDIAINFO_GPR; 1532 mip->mi_cmdmode = cmdmode; 1533 mip->mi_gpdata = gpdata; 1534 } 1535 1536 static void 1537 tulip_21140_evalboard_media_probe( 1538 tulip_softc_t * const sc) 1539 { 1540 tulip_media_info_t *mip = sc->tulip_mediainfo; 1541 1542 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1543 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1544 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1545 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1546 TULIP_CSR_WRITE(sc, csr_command, 1547 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1548 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1549 TULIP_CSR_WRITE(sc, csr_command, 1550 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1551 DELAY(1000000); 1552 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1553 sc->tulip_media = TULIP_MEDIA_10BASET; 1554 } else { 1555 sc->tulip_media = TULIP_MEDIA_100BASETX; 1556 } 1557 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1558 TULIP_GP_EB_INIT, 1559 TULIP_CMD_TXTHRSHLDCTL); 1560 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1561 TULIP_GP_EB_INIT, 1562 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1563 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1564 TULIP_GP_EB_INIT, 1565 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1566 |TULIP_CMD_SCRAMBLER); 1567 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1568 TULIP_GP_EB_INIT, 1569 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1570 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1571 } 1572 1573 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1574 TULIP_21140_DEC_EB, 1575 tulip_21140_evalboard_media_probe, 1576 tulip_media_select, 1577 tulip_null_media_poll, 1578 tulip_2114x_media_preset, 1579 }; 1580 1581 static void 1582 tulip_21140_accton_media_probe( 1583 tulip_softc_t * const sc) 1584 { 1585 tulip_media_info_t *mip = sc->tulip_mediainfo; 1586 unsigned gpdata; 1587 1588 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1589 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1590 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1591 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1592 TULIP_CSR_WRITE(sc, csr_command, 1593 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1594 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1595 TULIP_CSR_WRITE(sc, csr_command, 1596 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1597 DELAY(1000000); 1598 gpdata = TULIP_CSR_READ(sc, csr_gp); 1599 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1600 sc->tulip_media = TULIP_MEDIA_10BASET; 1601 } else { 1602 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1603 sc->tulip_media = TULIP_MEDIA_BNC; 1604 } else { 1605 sc->tulip_media = TULIP_MEDIA_100BASETX; 1606 } 1607 } 1608 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1609 TULIP_GP_EN1207_BNC_INIT, 1610 TULIP_CMD_TXTHRSHLDCTL); 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1612 TULIP_GP_EN1207_UTP_INIT, 1613 TULIP_CMD_TXTHRSHLDCTL); 1614 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1615 TULIP_GP_EN1207_UTP_INIT, 1616 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1617 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1618 TULIP_GP_EN1207_100_INIT, 1619 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1620 |TULIP_CMD_SCRAMBLER); 1621 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1622 TULIP_GP_EN1207_100_INIT, 1623 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1624 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1625 } 1626 1627 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1628 TULIP_21140_EN1207, 1629 tulip_21140_accton_media_probe, 1630 tulip_media_select, 1631 tulip_null_media_poll, 1632 tulip_2114x_media_preset, 1633 }; 1634 1635 static void 1636 tulip_21140_smc9332_media_probe( 1637 tulip_softc_t * const sc) 1638 { 1639 tulip_media_info_t *mip = sc->tulip_mediainfo; 1640 int idx, cnt = 0; 1641 1642 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1643 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1644 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1645 33MHz that comes to two microseconds but wait a 1646 bit longer anyways) */ 1647 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1648 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1649 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1650 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1651 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1652 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1653 DELAY(200000); 1654 for (idx = 1000; idx > 0; idx--) { 1655 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1656 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1657 if (++cnt > 100) 1658 break; 1659 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1660 break; 1661 } else { 1662 cnt = 0; 1663 } 1664 DELAY(1000); 1665 } 1666 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1667 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1668 TULIP_GP_SMC_9332_INIT, 1669 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1670 |TULIP_CMD_SCRAMBLER); 1671 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1672 TULIP_GP_SMC_9332_INIT, 1673 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1674 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1675 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1676 TULIP_GP_SMC_9332_INIT, 1677 TULIP_CMD_TXTHRSHLDCTL); 1678 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1679 TULIP_GP_SMC_9332_INIT, 1680 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1681 } 1682 1683 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1684 TULIP_21140_SMC_9332, 1685 tulip_21140_smc9332_media_probe, 1686 tulip_media_select, 1687 tulip_null_media_poll, 1688 tulip_2114x_media_preset, 1689 }; 1690 1691 static void 1692 tulip_21140_cogent_em100_media_probe( 1693 tulip_softc_t * const sc) 1694 { 1695 tulip_media_info_t *mip = sc->tulip_mediainfo; 1696 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1697 1698 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1699 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1700 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1701 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1702 1703 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1704 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1705 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1706 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1707 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1708 1709 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1710 TULIP_GP_EM100_INIT, 1711 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1712 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1713 TULIP_GP_EM100_INIT, 1714 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1715 |TULIP_CMD_FULLDUPLEX); 1716 } else { 1717 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1718 sc->tulip_media = TULIP_MEDIA_100BASETX; 1719 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1720 TULIP_GP_EM100_INIT, 1721 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1722 |TULIP_CMD_SCRAMBLER); 1723 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1724 TULIP_GP_EM100_INIT, 1725 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1726 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1727 } 1728 } 1729 1730 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1731 TULIP_21140_COGENT_EM100, 1732 tulip_21140_cogent_em100_media_probe, 1733 tulip_media_select, 1734 tulip_null_media_poll, 1735 tulip_2114x_media_preset 1736 }; 1737 1738 static void 1739 tulip_21140_znyx_zx34x_media_probe( 1740 tulip_softc_t * const sc) 1741 { 1742 tulip_media_info_t *mip = sc->tulip_mediainfo; 1743 int cnt10 = 0, cnt100 = 0, idx; 1744 1745 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1746 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1747 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1748 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1749 TULIP_CSR_WRITE(sc, csr_command, 1750 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1751 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1752 TULIP_CSR_WRITE(sc, csr_command, 1753 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1754 1755 DELAY(200000); 1756 for (idx = 1000; idx > 0; idx--) { 1757 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1758 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)) { 1759 if (++cnt100 > 100) 1760 break; 1761 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1762 if (++cnt10 > 100) 1763 break; 1764 } else { 1765 cnt10 = 0; 1766 cnt100 = 0; 1767 } 1768 DELAY(1000); 1769 } 1770 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1771 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1772 TULIP_GP_ZX34X_INIT, 1773 TULIP_CMD_TXTHRSHLDCTL); 1774 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1775 TULIP_GP_ZX34X_INIT, 1776 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1777 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1778 TULIP_GP_ZX34X_INIT, 1779 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1780 |TULIP_CMD_SCRAMBLER); 1781 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1782 TULIP_GP_ZX34X_INIT, 1783 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1784 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1785 } 1786 1787 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1788 TULIP_21140_ZNYX_ZX34X, 1789 tulip_21140_znyx_zx34x_media_probe, 1790 tulip_media_select, 1791 tulip_null_media_poll, 1792 tulip_2114x_media_preset, 1793 }; 1794 1795 static void 1796 tulip_2114x_media_probe( 1797 tulip_softc_t * const sc) 1798 { 1799 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1800 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1801 } 1802 1803 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1804 TULIP_21140_ISV, 1805 tulip_2114x_media_probe, 1806 tulip_media_select, 1807 tulip_media_poll, 1808 tulip_2114x_media_preset, 1809 }; 1810 1811 /* 1812 * ******** END of chip-specific handlers. *********** 1813 */ 1814 1815 /* 1816 * Code the read the SROM and MII bit streams (I2C) 1817 */ 1818 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1819 1820 static void 1821 tulip_srom_idle( 1822 tulip_softc_t * const sc) 1823 { 1824 unsigned bit, csr; 1825 1826 csr = SROMSEL ; EMIT; 1827 csr = SROMSEL | SROMRD; EMIT; 1828 csr ^= SROMCS; EMIT; 1829 csr ^= SROMCLKON; EMIT; 1830 1831 /* 1832 * Write 25 cycles of 0 which will force the SROM to be idle. 1833 */ 1834 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1835 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1836 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1837 } 1838 csr ^= SROMCLKOFF; EMIT; 1839 csr ^= SROMCS; EMIT; 1840 csr = 0; EMIT; 1841 } 1842 1843 1844 static void 1845 tulip_srom_read( 1846 tulip_softc_t * const sc) 1847 { 1848 unsigned idx; 1849 const unsigned bitwidth = SROM_BITWIDTH; 1850 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1851 const unsigned msb = 1 << (bitwidth + 3 - 1); 1852 unsigned lastidx = (1 << bitwidth) - 1; 1853 1854 tulip_srom_idle(sc); 1855 1856 for (idx = 0; idx <= lastidx; idx++) { 1857 unsigned lastbit, data, bits, bit, csr; 1858 csr = SROMSEL ; EMIT; 1859 csr = SROMSEL | SROMRD; EMIT; 1860 csr ^= SROMCSON; EMIT; 1861 csr ^= SROMCLKON; EMIT; 1862 1863 lastbit = 0; 1864 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1865 const unsigned thisbit = bits & msb; 1866 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1867 if (thisbit != lastbit) { 1868 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1869 } else { 1870 EMIT; 1871 } 1872 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1873 lastbit = thisbit; 1874 } 1875 csr ^= SROMCLKOFF; EMIT; 1876 1877 for (data = 0, bits = 0; bits < 16; bits++) { 1878 data <<= 1; 1879 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1880 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1881 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1882 } 1883 sc->tulip_rombuf[idx*2] = data & 0xFF; 1884 sc->tulip_rombuf[idx*2+1] = data >> 8; 1885 csr = SROMSEL | SROMRD; EMIT; 1886 csr = 0; EMIT; 1887 } 1888 tulip_srom_idle(sc); 1889 } 1890 1891 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1892 1893 static void 1894 tulip_mii_writebits( 1895 tulip_softc_t * const sc, 1896 unsigned data, 1897 unsigned bits) 1898 { 1899 unsigned msb = 1 << (bits - 1); 1900 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1901 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1902 1903 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1904 1905 for (; bits > 0; bits--, data <<= 1) { 1906 const unsigned thisbit = data & msb; 1907 if (thisbit != lastbit) { 1908 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1909 } 1910 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1911 lastbit = thisbit; 1912 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1913 } 1914 } 1915 1916 static void 1917 tulip_mii_turnaround( 1918 tulip_softc_t * const sc, 1919 unsigned cmd) 1920 { 1921 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1922 1923 if (cmd == MII_WRCMD) { 1924 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1925 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1926 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1927 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1928 } else { 1929 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1930 } 1931 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1932 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1933 } 1934 1935 static unsigned 1936 tulip_mii_readbits( 1937 tulip_softc_t * const sc) 1938 { 1939 unsigned data; 1940 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1941 int idx; 1942 1943 for (idx = 0, data = 0; idx < 16; idx++) { 1944 data <<= 1; /* this is NOOP on the first pass through */ 1945 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1946 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1947 data |= 1; 1948 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1949 } 1950 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1951 1952 return data; 1953 } 1954 1955 static unsigned 1956 tulip_mii_readreg( 1957 tulip_softc_t * const sc, 1958 unsigned devaddr, 1959 unsigned regno) 1960 { 1961 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1962 unsigned data; 1963 1964 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1965 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1966 tulip_mii_writebits(sc, MII_RDCMD, 8); 1967 tulip_mii_writebits(sc, devaddr, 5); 1968 tulip_mii_writebits(sc, regno, 5); 1969 tulip_mii_turnaround(sc, MII_RDCMD); 1970 1971 data = tulip_mii_readbits(sc); 1972 #if defined(TULIP_DEBUG) 1973 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1974 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1975 #endif 1976 return data; 1977 } 1978 1979 static void 1980 tulip_mii_writereg( 1981 tulip_softc_t * const sc, 1982 unsigned devaddr, 1983 unsigned regno, 1984 unsigned data) 1985 { 1986 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1987 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1988 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1989 tulip_mii_writebits(sc, MII_WRCMD, 8); 1990 tulip_mii_writebits(sc, devaddr, 5); 1991 tulip_mii_writebits(sc, regno, 5); 1992 tulip_mii_turnaround(sc, MII_WRCMD); 1993 tulip_mii_writebits(sc, data, 16); 1994 #if defined(TULIP_DEBUG) 1995 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1996 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1997 #endif 1998 } 1999 2000 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2001 #define tulip_srom_crcok(databuf) ( \ 2002 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2003 ((databuf)[126] | ((databuf)[127] << 8))) 2004 2005 static void 2006 tulip_identify_dec_nic( 2007 tulip_softc_t * const sc) 2008 { 2009 strcpy(sc->tulip_boardid, "DEC "); 2010 #define D0 4 2011 if (sc->tulip_chipid <= TULIP_21040) 2012 return; 2013 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2014 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2015 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2016 sc->tulip_boardid[D0+8] = ' '; 2017 } 2018 #undef D0 2019 } 2020 2021 static void 2022 tulip_identify_znyx_nic( 2023 tulip_softc_t * const sc) 2024 { 2025 unsigned id = 0; 2026 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2027 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2028 unsigned znyx_ptr; 2029 sc->tulip_boardid[8] = '4'; 2030 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2031 if (znyx_ptr < 26 || znyx_ptr > 116) { 2032 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2033 return; 2034 } 2035 /* ZX344 = 0010 .. 0013FF 2036 */ 2037 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2038 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2039 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2040 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2041 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2042 sc->tulip_boardid[9] = '2'; 2043 if (id == TULIP_ZNYX_ID_ZX342B) { 2044 sc->tulip_boardid[10] = 'B'; 2045 sc->tulip_boardid[11] = ' '; 2046 } 2047 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2048 } else if (id == TULIP_ZNYX_ID_ZX344) { 2049 sc->tulip_boardid[10] = '4'; 2050 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2051 } else if (id == TULIP_ZNYX_ID_ZX345) { 2052 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2053 } else if (id == TULIP_ZNYX_ID_ZX346) { 2054 sc->tulip_boardid[9] = '6'; 2055 } else if (id == TULIP_ZNYX_ID_ZX351) { 2056 sc->tulip_boardid[8] = '5'; 2057 sc->tulip_boardid[9] = '1'; 2058 } 2059 } 2060 if (id == 0) { 2061 /* 2062 * Assume it's a ZX342... 2063 */ 2064 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2065 } 2066 return; 2067 } 2068 sc->tulip_boardid[8] = '1'; 2069 if (sc->tulip_chipid == TULIP_21041) { 2070 sc->tulip_boardid[10] = '1'; 2071 return; 2072 } 2073 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2074 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2075 if (id == TULIP_ZNYX_ID_ZX312T) { 2076 sc->tulip_boardid[9] = '2'; 2077 sc->tulip_boardid[10] = 'T'; 2078 sc->tulip_boardid[11] = ' '; 2079 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2080 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2081 sc->tulip_boardid[9] = '4'; 2082 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2083 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2084 } else if (id == TULIP_ZNYX_ID_ZX314) { 2085 sc->tulip_boardid[9] = '4'; 2086 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2087 sc->tulip_features |= TULIP_HAVE_BASEROM; 2088 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2089 sc->tulip_boardid[9] = '5'; 2090 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2091 } else if (id == TULIP_ZNYX_ID_ZX315) { 2092 sc->tulip_boardid[9] = '5'; 2093 sc->tulip_features |= TULIP_HAVE_BASEROM; 2094 } else { 2095 id = 0; 2096 } 2097 } 2098 if (id == 0) { 2099 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2100 sc->tulip_boardid[9] = '4'; 2101 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2102 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2103 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2104 sc->tulip_boardid[9] = '5'; 2105 sc->tulip_boardsw = &tulip_21040_boardsw; 2106 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2107 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2108 sc->tulip_boardid[9] = '2'; 2109 sc->tulip_boardsw = &tulip_21040_boardsw; 2110 } 2111 } 2112 } 2113 2114 static void 2115 tulip_identify_smc_nic( 2116 tulip_softc_t * const sc) 2117 { 2118 u_int32_t id1, id2, ei; 2119 int auibnc = 0, utp = 0; 2120 char *cp; 2121 2122 strcpy(sc->tulip_boardid, "SMC "); 2123 if (sc->tulip_chipid == TULIP_21041) 2124 return; 2125 if (sc->tulip_chipid != TULIP_21040) { 2126 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2127 strcpy(&sc->tulip_boardid[4], "9332DST "); 2128 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2129 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2130 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2131 } else { 2132 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2133 } 2134 return; 2135 } 2136 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2137 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2138 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2139 2140 strcpy(&sc->tulip_boardid[4], "8432"); 2141 cp = &sc->tulip_boardid[8]; 2142 if ((id1 & 1) == 0) 2143 *cp++ = 'B', auibnc = 1; 2144 if ((id1 & 0xFF) > 0x32) 2145 *cp++ = 'T', utp = 1; 2146 if ((id1 & 0x4000) == 0) 2147 *cp++ = 'A', auibnc = 1; 2148 if (id2 == 0x15) { 2149 sc->tulip_boardid[7] = '4'; 2150 *cp++ = '-'; 2151 *cp++ = 'C'; 2152 *cp++ = 'H'; 2153 *cp++ = (ei ? '2' : '1'); 2154 } 2155 *cp++ = ' '; 2156 *cp = '\0'; 2157 if (utp && !auibnc) 2158 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2159 else if (!utp && auibnc) 2160 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2161 } 2162 2163 static void 2164 tulip_identify_cogent_nic( 2165 tulip_softc_t * const sc) 2166 { 2167 strcpy(sc->tulip_boardid, "Cogent "); 2168 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2169 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2170 strcat(sc->tulip_boardid, "EM100TX "); 2171 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2172 #if defined(TULIP_COGENT_EM110TX_ID) 2173 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2174 strcat(sc->tulip_boardid, "EM110TX "); 2175 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2176 #endif 2177 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2178 strcat(sc->tulip_boardid, "EM100FX "); 2179 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2180 } 2181 /* 2182 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2183 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2184 */ 2185 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2186 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2187 /* 2188 * Cogent (Adaptec) is still mapping all INTs to INTA of 2189 * first 21140. Dumb! Dumb! 2190 */ 2191 strcat(sc->tulip_boardid, "EM440TX "); 2192 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2193 } 2194 } else if (sc->tulip_chipid == TULIP_21040) { 2195 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2196 } 2197 } 2198 2199 static void 2200 tulip_identify_accton_nic( 2201 tulip_softc_t * const sc) 2202 { 2203 strcpy(sc->tulip_boardid, "ACCTON "); 2204 switch (sc->tulip_chipid) { 2205 case TULIP_21140A: 2206 strcat(sc->tulip_boardid, "EN1207 "); 2207 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2208 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2209 break; 2210 case TULIP_21140: 2211 strcat(sc->tulip_boardid, "EN1207TX "); 2212 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2213 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2214 break; 2215 case TULIP_21040: 2216 strcat(sc->tulip_boardid, "EN1203 "); 2217 sc->tulip_boardsw = &tulip_21040_boardsw; 2218 break; 2219 case TULIP_21041: 2220 strcat(sc->tulip_boardid, "EN1203 "); 2221 sc->tulip_boardsw = &tulip_21041_boardsw; 2222 break; 2223 default: 2224 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2225 break; 2226 } 2227 } 2228 2229 static void 2230 tulip_identify_asante_nic( 2231 tulip_softc_t * const sc) 2232 { 2233 strcpy(sc->tulip_boardid, "Asante "); 2234 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2235 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2236 tulip_media_info_t *mi = sc->tulip_mediainfo; 2237 int idx; 2238 /* 2239 * The Asante Fast Ethernet doesn't always ship with a valid 2240 * new format SROM. So if isn't in the new format, we cheat 2241 * set it up as if we had. 2242 */ 2243 2244 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2245 sc->tulip_gpdata = 0; 2246 2247 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2248 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2249 DELAY(100); 2250 TULIP_CSR_WRITE(sc, csr_gp, 0); 2251 2252 mi->mi_type = TULIP_MEDIAINFO_MII; 2253 mi->mi_gpr_length = 0; 2254 mi->mi_gpr_offset = 0; 2255 mi->mi_reset_length = 0; 2256 mi->mi_reset_offset = 0;; 2257 2258 mi->mi_phyaddr = TULIP_MII_NOPHY; 2259 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2260 DELAY(10000); 2261 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2262 } 2263 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2264 printf("%s: can't find phy 0\n", sc->tulip_xname); 2265 return; 2266 } 2267 2268 sc->tulip_features |= TULIP_HAVE_MII; 2269 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2270 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2271 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2272 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2273 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2274 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2275 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2276 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2277 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2278 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2279 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2280 2281 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2282 } 2283 } 2284 2285 static void 2286 tulip_identify_compex_nic( 2287 tulip_softc_t * const sc) 2288 { 2289 strcpy(sc->tulip_boardid, "COMPEX "); 2290 if (sc->tulip_chipid == TULIP_21140A) { 2291 int root_unit; 2292 tulip_softc_t *root_sc = NULL; 2293 2294 strcat(sc->tulip_boardid, "400TX/PCI "); 2295 /* 2296 * All 4 chips on these boards share an interrupt. This code 2297 * copied from tulip_read_macaddr. 2298 */ 2299 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2300 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2301 root_sc = tulips[root_unit]; 2302 if (root_sc == NULL 2303 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2304 break; 2305 root_sc = NULL; 2306 } 2307 if (root_sc != NULL 2308 && root_sc->tulip_chipid == sc->tulip_chipid 2309 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2310 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2311 sc->tulip_slaves = root_sc->tulip_slaves; 2312 root_sc->tulip_slaves = sc; 2313 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2314 printf("\nCannot find master device for %s interrupts", 2315 sc->tulip_xname); 2316 } 2317 } else { 2318 strcat(sc->tulip_boardid, "unknown "); 2319 } 2320 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2321 return; 2322 } 2323 2324 static int 2325 tulip_srom_decode( 2326 tulip_softc_t * const sc) 2327 { 2328 unsigned idx1, idx2, idx3; 2329 2330 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2331 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2332 tulip_srom_media_t srom_media; 2333 tulip_media_info_t *mi = sc->tulip_mediainfo; 2334 const u_int8_t *dp; 2335 u_int32_t leaf_offset, blocks, data; 2336 2337 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2338 if (shp->sh_adapter_count == 1) 2339 break; 2340 if (saip->sai_device == sc->tulip_pci_devno) 2341 break; 2342 } 2343 /* 2344 * Didn't find the right media block for this card. 2345 */ 2346 if (idx1 == shp->sh_adapter_count) 2347 return 0; 2348 2349 /* 2350 * Save the hardware address. 2351 */ 2352 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2353 /* 2354 * If this is a multiple port card, add the adapter index to the last 2355 * byte of the hardware address. (if it isn't multiport, adding 0 2356 * won't hurt. 2357 */ 2358 sc->tulip_enaddr[5] += idx1; 2359 2360 leaf_offset = saip->sai_leaf_offset_lowbyte 2361 + saip->sai_leaf_offset_highbyte * 256; 2362 dp = sc->tulip_rombuf + leaf_offset; 2363 2364 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2365 2366 for (idx2 = 0;; idx2++) { 2367 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2368 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2369 break; 2370 } 2371 sc->tulip_connidx = idx2; 2372 2373 if (sc->tulip_chipid == TULIP_21041) { 2374 blocks = *dp++; 2375 for (idx2 = 0; idx2 < blocks; idx2++) { 2376 tulip_media_t media; 2377 data = *dp++; 2378 srom_media = (tulip_srom_media_t) (data & 0x3F); 2379 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2380 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2381 break; 2382 } 2383 media = tulip_srom_mediums[idx3].sm_type; 2384 if (media != TULIP_MEDIA_UNKNOWN) { 2385 if (data & TULIP_SROM_21041_EXTENDED) { 2386 mi->mi_type = TULIP_MEDIAINFO_SIA; 2387 sc->tulip_mediums[media] = mi; 2388 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2389 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2390 mi->mi_sia_general = dp[4] + dp[5] * 256; 2391 mi++; 2392 } else { 2393 switch (media) { 2394 case TULIP_MEDIA_BNC: { 2395 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2396 mi++; 2397 break; 2398 } 2399 case TULIP_MEDIA_AUI: { 2400 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2401 mi++; 2402 break; 2403 } 2404 case TULIP_MEDIA_10BASET: { 2405 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2406 mi++; 2407 break; 2408 } 2409 case TULIP_MEDIA_10BASET_FD: { 2410 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2411 mi++; 2412 break; 2413 } 2414 default: { 2415 break; 2416 } 2417 } 2418 } 2419 } 2420 if (data & TULIP_SROM_21041_EXTENDED) 2421 dp += 6; 2422 } 2423 #ifdef notdef 2424 if (blocks == 0) { 2425 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2426 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2427 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2428 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2429 } 2430 #endif 2431 } else { 2432 unsigned length, type; 2433 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2434 if (sc->tulip_features & TULIP_HAVE_GPR) 2435 sc->tulip_gpinit = *dp++; 2436 blocks = *dp++; 2437 for (idx2 = 0; idx2 < blocks; idx2++) { 2438 const u_int8_t *ep; 2439 if ((*dp & 0x80) == 0) { 2440 length = 4; 2441 type = 0; 2442 } else { 2443 length = (*dp++ & 0x7f) - 1; 2444 type = *dp++ & 0x3f; 2445 } 2446 ep = dp + length; 2447 switch (type & 0x3f) { 2448 case 0: { /* 21140[A] GPR block */ 2449 tulip_media_t media; 2450 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2451 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2452 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2453 break; 2454 } 2455 media = tulip_srom_mediums[idx3].sm_type; 2456 if (media == TULIP_MEDIA_UNKNOWN) 2457 break; 2458 mi->mi_type = TULIP_MEDIAINFO_GPR; 2459 sc->tulip_mediums[media] = mi; 2460 mi->mi_gpdata = dp[1]; 2461 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2462 sc->tulip_gpdata = mi->mi_gpdata; 2463 gp_media = media; 2464 } 2465 data = dp[2] + dp[3] * 256; 2466 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2467 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2468 mi->mi_actmask = 0; 2469 } else { 2470 #if 0 2471 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2472 #endif 2473 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2474 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2475 } 2476 mi++; 2477 break; 2478 } 2479 case 1: { /* 21140[A] MII block */ 2480 const unsigned phyno = *dp++; 2481 mi->mi_type = TULIP_MEDIAINFO_MII; 2482 mi->mi_gpr_length = *dp++; 2483 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2484 dp += mi->mi_gpr_length; 2485 mi->mi_reset_length = *dp++; 2486 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2487 dp += mi->mi_reset_length; 2488 2489 /* 2490 * Before we probe for a PHY, use the GPR information 2491 * to select it. If we don't, it may be inaccessible. 2492 */ 2493 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2494 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2495 DELAY(10); 2496 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2497 } 2498 sc->tulip_phyaddr = mi->mi_phyaddr; 2499 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2500 DELAY(10); 2501 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2502 } 2503 2504 /* 2505 * At least write something! 2506 */ 2507 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2508 TULIP_CSR_WRITE(sc, csr_gp, 0); 2509 2510 mi->mi_phyaddr = TULIP_MII_NOPHY; 2511 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2512 DELAY(10000); 2513 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2514 } 2515 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2516 #if defined(TULIP_DEBUG) 2517 printf("%s: can't find phy %d\n", 2518 sc->tulip_xname, phyno); 2519 #endif 2520 break; 2521 } 2522 sc->tulip_features |= TULIP_HAVE_MII; 2523 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2524 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2525 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2526 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2527 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2528 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2529 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2530 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2531 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2532 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2533 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2534 mi++; 2535 break; 2536 } 2537 case 2: { /* 2114[23] SIA block */ 2538 tulip_media_t media; 2539 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2540 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2541 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2542 break; 2543 } 2544 media = tulip_srom_mediums[idx3].sm_type; 2545 if (media == TULIP_MEDIA_UNKNOWN) 2546 break; 2547 mi->mi_type = TULIP_MEDIAINFO_SIA; 2548 sc->tulip_mediums[media] = mi; 2549 if (dp[0] & 0x40) { 2550 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2551 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2552 mi->mi_sia_general = dp[5] + dp[6] * 256; 2553 dp += 6; 2554 } else { 2555 switch (media) { 2556 case TULIP_MEDIA_BNC: { 2557 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2558 break; 2559 } 2560 case TULIP_MEDIA_AUI: { 2561 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2562 break; 2563 } 2564 case TULIP_MEDIA_10BASET: { 2565 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2566 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2567 break; 2568 } 2569 case TULIP_MEDIA_10BASET_FD: { 2570 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2571 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2572 break; 2573 } 2574 default: { 2575 goto bad_media; 2576 } 2577 } 2578 } 2579 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2580 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2581 mi++; 2582 bad_media: 2583 break; 2584 } 2585 case 3: { /* 2114[23] MII PHY block */ 2586 const unsigned phyno = *dp++; 2587 const u_int8_t *dp0; 2588 mi->mi_type = TULIP_MEDIAINFO_MII; 2589 mi->mi_gpr_length = *dp++; 2590 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2591 dp += 2 * mi->mi_gpr_length; 2592 mi->mi_reset_length = *dp++; 2593 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2594 dp += 2 * mi->mi_reset_length; 2595 2596 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2597 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2598 DELAY(10); 2599 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2600 } 2601 sc->tulip_phyaddr = mi->mi_phyaddr; 2602 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2603 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2604 DELAY(10); 2605 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2606 } 2607 2608 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2609 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2610 2611 mi->mi_phyaddr = TULIP_MII_NOPHY; 2612 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2613 DELAY(10000); 2614 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2615 } 2616 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2617 #if defined(TULIP_DEBUG) 2618 printf("%s: can't find phy %d\n", 2619 sc->tulip_xname, phyno); 2620 #endif 2621 break; 2622 } 2623 sc->tulip_features |= TULIP_HAVE_MII; 2624 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2625 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2626 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2627 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2628 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2629 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2630 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2631 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2632 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2633 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2634 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2635 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2636 mi++; 2637 break; 2638 } 2639 case 4: { /* 21143 SYM block */ 2640 tulip_media_t media; 2641 srom_media = (tulip_srom_media_t) dp[0]; 2642 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2643 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2644 break; 2645 } 2646 media = tulip_srom_mediums[idx3].sm_type; 2647 if (media == TULIP_MEDIA_UNKNOWN) 2648 break; 2649 mi->mi_type = TULIP_MEDIAINFO_SYM; 2650 sc->tulip_mediums[media] = mi; 2651 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2652 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2653 data = dp[5] + dp[6] * 256; 2654 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2655 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2656 mi->mi_actmask = 0; 2657 } else { 2658 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2659 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2660 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2661 } 2662 if (TULIP_IS_MEDIA_TP(media)) 2663 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2664 mi++; 2665 break; 2666 } 2667 #if 0 2668 case 5: { /* 21143 Reset block */ 2669 mi->mi_type = TULIP_MEDIAINFO_RESET; 2670 mi->mi_reset_length = *dp++; 2671 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2672 dp += 2 * mi->mi_reset_length; 2673 mi++; 2674 break; 2675 } 2676 #endif 2677 default: { 2678 } 2679 } 2680 dp = ep; 2681 } 2682 } 2683 return mi - sc->tulip_mediainfo; 2684 } 2685 2686 static const struct { 2687 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2688 unsigned char vendor_oui[3]; 2689 } tulip_vendors[] = { 2690 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2691 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2692 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2693 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2694 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2695 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2696 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2697 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2698 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2699 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2700 { NULL } 2701 }; 2702 2703 /* 2704 * This deals with the vagaries of the address roms and the 2705 * brain-deadness that various vendors commit in using them. 2706 */ 2707 static int 2708 tulip_read_macaddr( 2709 tulip_softc_t * const sc) 2710 { 2711 unsigned cksum, rom_cksum, idx; 2712 u_int32_t csr; 2713 unsigned char tmpbuf[8]; 2714 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2715 2716 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2717 2718 if (sc->tulip_chipid == TULIP_21040) { 2719 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2720 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2721 int cnt = 0; 2722 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2723 cnt++; 2724 sc->tulip_rombuf[idx] = csr & 0xFF; 2725 } 2726 sc->tulip_boardsw = &tulip_21040_boardsw; 2727 } else { 2728 if (sc->tulip_chipid == TULIP_21041) { 2729 /* 2730 * Thankfully all 21041's act the same. 2731 */ 2732 sc->tulip_boardsw = &tulip_21041_boardsw; 2733 } else { 2734 /* 2735 * Assume all 21140 board are compatible with the 2736 * DEC 10/100 evaluation board. Not really valid but 2737 * it's the best we can do until every one switches to 2738 * the new SROM format. 2739 */ 2740 2741 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2742 } 2743 tulip_srom_read(sc); 2744 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2745 /* 2746 * SROM CRC is valid therefore it must be in the 2747 * new format. 2748 */ 2749 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2750 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2751 /* 2752 * No checksum is present. See if the SROM id checks out; 2753 * the first 18 bytes should be 0 followed by a 1 followed 2754 * by the number of adapters (which we don't deal with yet). 2755 */ 2756 for (idx = 0; idx < 18; idx++) { 2757 if (sc->tulip_rombuf[idx] != 0) 2758 break; 2759 } 2760 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2761 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2762 } else if (sc->tulip_chipid >= TULIP_21142) { 2763 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2764 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2765 } 2766 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2767 if (sc->tulip_chipid != TULIP_21041) 2768 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2769 2770 /* 2771 * If the SROM specifies more than one adapter, tag this as a 2772 * BASE rom. 2773 */ 2774 if (sc->tulip_rombuf[19] > 1) 2775 sc->tulip_features |= TULIP_HAVE_BASEROM; 2776 if (sc->tulip_boardsw == NULL) 2777 return -6; 2778 goto check_oui; 2779 } 2780 } 2781 2782 2783 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2784 /* 2785 * Some folks don't use the standard ethernet rom format 2786 * but instead just put the address in the first 6 bytes 2787 * of the rom and let the rest be all 0xffs. (Can we say 2788 * ZNYX?) (well sometimes they put in a checksum so we'll 2789 * start at 8). 2790 */ 2791 for (idx = 8; idx < 32; idx++) { 2792 if (sc->tulip_rombuf[idx] != 0xFF) 2793 return -4; 2794 } 2795 /* 2796 * Make sure the address is not multicast or locally assigned 2797 * that the OUI is not 00-00-00. 2798 */ 2799 if ((sc->tulip_rombuf[0] & 3) != 0) 2800 return -4; 2801 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2802 && sc->tulip_rombuf[2] == 0) 2803 return -4; 2804 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2805 sc->tulip_features |= TULIP_HAVE_OKROM; 2806 goto check_oui; 2807 } else { 2808 /* 2809 * A number of makers of multiport boards (ZNYX and Cogent) 2810 * only put on one address ROM on their 21040 boards. So 2811 * if the ROM is all zeros (or all 0xFFs), look at the 2812 * previous configured boards (as long as they are on the same 2813 * PCI bus and the bus number is non-zero) until we find the 2814 * master board with address ROM. We then use its address ROM 2815 * as the base for this board. (we add our relative board 2816 * to the last byte of its address). 2817 */ 2818 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2819 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2820 break; 2821 } 2822 if (idx == sizeof(sc->tulip_rombuf)) { 2823 int root_unit; 2824 tulip_softc_t *root_sc = NULL; 2825 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2826 root_sc = tulips[root_unit]; 2827 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2828 break; 2829 root_sc = NULL; 2830 } 2831 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2832 && root_sc->tulip_chipid == sc->tulip_chipid 2833 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2834 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2835 sc->tulip_boardsw = root_sc->tulip_boardsw; 2836 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2837 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2838 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2839 sizeof(sc->tulip_rombuf)); 2840 if (!tulip_srom_decode(sc)) 2841 return -5; 2842 } else { 2843 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2844 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2845 } 2846 /* 2847 * Now for a truly disgusting kludge: all 4 21040s on 2848 * the ZX314 share the same INTA line so the mapping 2849 * setup by the BIOS on the PCI bridge is worthless. 2850 * Rather than reprogramming the value in the config 2851 * register, we will handle this internally. 2852 */ 2853 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2854 sc->tulip_slaves = root_sc->tulip_slaves; 2855 root_sc->tulip_slaves = sc; 2856 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2857 } 2858 return 0; 2859 } 2860 } 2861 } 2862 2863 /* 2864 * This is the standard DEC address ROM test. 2865 */ 2866 2867 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2868 return -3; 2869 2870 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2871 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2872 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2873 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2874 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2875 return -2; 2876 2877 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2878 2879 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2880 cksum *= 2; 2881 if (cksum > 65535) cksum -= 65535; 2882 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2883 if (cksum > 65535) cksum -= 65535; 2884 cksum *= 2; 2885 if (cksum > 65535) cksum -= 65535; 2886 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2887 if (cksum >= 65535) cksum -= 65535; 2888 2889 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2890 2891 if (cksum != rom_cksum) 2892 return -1; 2893 2894 check_oui: 2895 /* 2896 * Check for various boards based on OUI. Did I say braindead? 2897 */ 2898 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2899 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2900 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2901 break; 2902 } 2903 } 2904 2905 sc->tulip_features |= TULIP_HAVE_OKROM; 2906 return 0; 2907 } 2908 2909 static void 2910 tulip_ifmedia_add( 2911 tulip_softc_t * const sc) 2912 { 2913 tulip_media_t media; 2914 int medias = 0; 2915 2916 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2917 if (sc->tulip_mediums[media] != NULL) { 2918 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2919 0, 0); 2920 medias++; 2921 } 2922 } 2923 if (medias == 0) { 2924 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2925 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2926 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2927 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2928 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2929 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2930 } else { 2931 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2932 sc->tulip_flags |= TULIP_PRINTMEDIA; 2933 tulip_linkup(sc, sc->tulip_media); 2934 } 2935 } 2936 2937 static int 2938 tulip_ifmedia_change( 2939 struct ifnet * const ifp) 2940 { 2941 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2942 2943 sc->tulip_flags |= TULIP_NEEDRESET; 2944 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2945 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2946 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2947 tulip_media_t media; 2948 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2949 if (sc->tulip_mediums[media] != NULL 2950 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2951 sc->tulip_flags |= TULIP_PRINTMEDIA; 2952 sc->tulip_flags &= ~TULIP_DIDNWAY; 2953 tulip_linkup(sc, media); 2954 return 0; 2955 } 2956 } 2957 } 2958 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2959 tulip_reset(sc); 2960 tulip_init(sc); 2961 return 0; 2962 } 2963 2964 /* 2965 * Media status callback 2966 */ 2967 static void 2968 tulip_ifmedia_status( 2969 struct ifnet * const ifp, 2970 struct ifmediareq *req) 2971 { 2972 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2973 2974 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2975 return; 2976 2977 req->ifm_status = IFM_AVALID; 2978 if (sc->tulip_flags & TULIP_LINKUP) 2979 req->ifm_status |= IFM_ACTIVE; 2980 2981 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2982 } 2983 2984 static void 2985 tulip_addr_filter( 2986 tulip_softc_t * const sc) 2987 { 2988 struct ifmultiaddr *ifma; 2989 u_char *addrp; 2990 int multicnt; 2991 2992 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2993 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2994 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2995 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2996 #if defined(IFF_ALLMULTI) 2997 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2998 sc->tulip_flags |= TULIP_ALLMULTI ; 2999 #endif 3000 3001 multicnt = 0; 3002 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3003 3004 if (ifma->ifma_addr->sa_family == AF_LINK) 3005 multicnt++; 3006 } 3007 3008 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3009 if (multicnt > 14) { 3010 u_int32_t *sp = sc->tulip_setupdata; 3011 unsigned hash; 3012 /* 3013 * Some early passes of the 21140 have broken implementations of 3014 * hash-perfect mode. When we get too many multicasts for perfect 3015 * filtering with these chips, we need to switch into hash-only 3016 * mode (this is better than all-multicast on network with lots 3017 * of multicast traffic). 3018 */ 3019 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3020 sc->tulip_flags |= TULIP_WANTHASHONLY; 3021 else 3022 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3023 /* 3024 * If we have more than 14 multicasts, we have 3025 * go into hash perfect mode (512 bit multicast 3026 * hash and one perfect hardware). 3027 */ 3028 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3029 3030 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3031 3032 if (ifma->ifma_addr->sa_family != AF_LINK) 3033 continue; 3034 3035 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3036 #if BYTE_ORDER == BIG_ENDIAN 3037 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3038 #else 3039 sp[hash >> 4] |= 1 << (hash & 0xF); 3040 #endif 3041 } 3042 /* 3043 * No reason to use a hash if we are going to be 3044 * receiving every multicast. 3045 */ 3046 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3047 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 3048 #if BYTE_ORDER == BIG_ENDIAN 3049 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3050 #else 3051 sp[hash >> 4] |= 1 << (hash & 0xF); 3052 #endif 3053 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3054 hash = tulip_mchash(sc->tulip_enaddr); 3055 #if BYTE_ORDER == BIG_ENDIAN 3056 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3057 #else 3058 sp[hash >> 4] |= 1 << (hash & 0xF); 3059 #endif 3060 } else { 3061 #if BYTE_ORDER == BIG_ENDIAN 3062 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3063 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3064 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3065 #else 3066 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3067 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3068 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3069 #endif 3070 } 3071 } 3072 } 3073 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3074 u_int32_t *sp = sc->tulip_setupdata; 3075 int idx = 0; 3076 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3077 /* 3078 * Else can get perfect filtering for 16 addresses. 3079 */ 3080 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3081 if (ifma->ifma_addr->sa_family != AF_LINK) 3082 continue; 3083 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3084 #if BYTE_ORDER == BIG_ENDIAN 3085 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3086 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3087 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3088 #else 3089 *sp++ = ((u_int16_t *) addrp)[0]; 3090 *sp++ = ((u_int16_t *) addrp)[1]; 3091 *sp++ = ((u_int16_t *) addrp)[2]; 3092 #endif 3093 idx++; 3094 } 3095 /* 3096 * Add the broadcast address. 3097 */ 3098 idx++; 3099 #if BYTE_ORDER == BIG_ENDIAN 3100 *sp++ = 0xFFFF << 16; 3101 *sp++ = 0xFFFF << 16; 3102 *sp++ = 0xFFFF << 16; 3103 #else 3104 *sp++ = 0xFFFF; 3105 *sp++ = 0xFFFF; 3106 *sp++ = 0xFFFF; 3107 #endif 3108 } 3109 /* 3110 * Pad the rest with our hardware address 3111 */ 3112 for (; idx < 16; idx++) { 3113 #if BYTE_ORDER == BIG_ENDIAN 3114 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3115 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3116 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3117 #else 3118 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3119 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3120 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3121 #endif 3122 } 3123 } 3124 #if defined(IFF_ALLMULTI) 3125 if (sc->tulip_flags & TULIP_ALLMULTI) 3126 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3127 #endif 3128 } 3129 3130 static void 3131 tulip_reset( 3132 tulip_softc_t * const sc) 3133 { 3134 tulip_ringinfo_t *ri; 3135 tulip_desc_t *di; 3136 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3137 3138 /* 3139 * Brilliant. Simply brilliant. When switching modes/speeds 3140 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3141 * bits in CSR6 and then do a software reset to get the 21140 3142 * to properly reset its internal pathways to the right places. 3143 * Grrrr. 3144 */ 3145 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3146 && sc->tulip_boardsw->bd_media_preset != NULL) 3147 (*sc->tulip_boardsw->bd_media_preset)(sc); 3148 3149 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3150 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3151 33MHz that comes to two microseconds but wait a 3152 bit longer anyways) */ 3153 3154 if (!inreset) { 3155 sc->tulip_flags |= TULIP_INRESET; 3156 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3157 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3158 sc->tulip_if.if_start = tulip_ifstart; 3159 } 3160 3161 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3162 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3163 #else 3164 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3165 #endif 3166 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3167 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3168 #else 3169 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3170 #endif 3171 TULIP_CSR_WRITE(sc, csr_busmode, 3172 (1 << (3 /*pci_max_burst_len*/ + 8)) 3173 |TULIP_BUSMODE_CACHE_ALIGN8 3174 |TULIP_BUSMODE_READMULTIPLE 3175 |(BYTE_ORDER != LITTLE_ENDIAN ? 3176 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3177 3178 sc->tulip_txtimer = 0; 3179 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3180 /* 3181 * Free all the mbufs that were on the transmit ring. 3182 */ 3183 for (;;) { 3184 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3185 bus_dmamap_t map; 3186 #endif 3187 struct mbuf *m; 3188 _IF_DEQUEUE(&sc->tulip_txq, m); 3189 if (m == NULL) 3190 break; 3191 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3192 map = M_GETCTX(m, bus_dmamap_t); 3193 bus_dmamap_unload(sc->tulip_dmatag, map); 3194 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3195 #endif 3196 m_freem(m); 3197 } 3198 3199 ri = &sc->tulip_txinfo; 3200 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3201 ri->ri_free = ri->ri_max; 3202 for (di = ri->ri_first; di < ri->ri_last; di++) 3203 di->d_status = 0; 3204 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3205 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3206 0, sc->tulip_txdescmap->dm_mapsize, 3207 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3208 #endif 3209 3210 /* 3211 * We need to collect all the mbufs were on the 3212 * receive ring before we reinit it either to put 3213 * them back on or to know if we have to allocate 3214 * more. 3215 */ 3216 ri = &sc->tulip_rxinfo; 3217 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3218 ri->ri_free = ri->ri_max; 3219 for (di = ri->ri_first; di < ri->ri_last; di++) { 3220 di->d_status = 0; 3221 di->d_length1 = 0; di->d_addr1 = 0; 3222 di->d_length2 = 0; di->d_addr2 = 0; 3223 } 3224 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3225 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3226 0, sc->tulip_rxdescmap->dm_mapsize, 3227 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3228 #endif 3229 for (;;) { 3230 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3231 bus_dmamap_t map; 3232 #endif 3233 struct mbuf *m; 3234 _IF_DEQUEUE(&sc->tulip_rxq, m); 3235 if (m == NULL) 3236 break; 3237 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3238 map = M_GETCTX(m, bus_dmamap_t); 3239 bus_dmamap_unload(sc->tulip_dmatag, map); 3240 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3241 #endif 3242 m_freem(m); 3243 } 3244 3245 /* 3246 * If tulip_reset is being called recurisvely, exit quickly knowing 3247 * that when the outer tulip_reset returns all the right stuff will 3248 * have happened. 3249 */ 3250 if (inreset) 3251 return; 3252 3253 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3254 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3255 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3256 |TULIP_STS_RXSTOPPED; 3257 3258 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3259 (*sc->tulip_boardsw->bd_media_select)(sc); 3260 #if defined(TULIP_DEBUG) 3261 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3262 printf("%s: tulip_reset: additional reset needed?!?\n", 3263 sc->tulip_xname); 3264 #endif 3265 tulip_media_print(sc); 3266 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3267 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3268 3269 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3270 |TULIP_RXACT); 3271 tulip_addr_filter(sc); 3272 } 3273 3274 3275 static void 3276 tulip_ifinit( 3277 void * sc) 3278 { 3279 tulip_init((tulip_softc_t *)sc); 3280 } 3281 3282 static void 3283 tulip_init( 3284 tulip_softc_t * const sc) 3285 { 3286 if (sc->tulip_if.if_flags & IFF_UP) { 3287 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3288 /* initialize the media */ 3289 tulip_reset(sc); 3290 } 3291 sc->tulip_if.if_flags |= IFF_RUNNING; 3292 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3293 sc->tulip_flags |= TULIP_PROMISC; 3294 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3295 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3296 } else { 3297 sc->tulip_flags &= ~TULIP_PROMISC; 3298 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3299 if (sc->tulip_flags & TULIP_ALLMULTI) { 3300 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3301 } else { 3302 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3303 } 3304 } 3305 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3306 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3307 tulip_rx_intr(sc); 3308 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3309 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3310 } else { 3311 sc->tulip_if.if_flags |= IFF_OACTIVE; 3312 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3313 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3314 } 3315 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3316 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3317 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3318 tulip_txput_setup(sc); 3319 } else { 3320 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3321 tulip_reset(sc); 3322 } 3323 } 3324 3325 static void 3326 tulip_rx_intr( 3327 tulip_softc_t * const sc) 3328 { 3329 TULIP_PERFSTART(rxintr) 3330 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3331 struct ifnet * const ifp = &sc->tulip_if; 3332 int fillok = 1; 3333 #if defined(TULIP_DEBUG) 3334 int cnt = 0; 3335 #endif 3336 3337 for (;;) { 3338 TULIP_PERFSTART(rxget) 3339 tulip_desc_t *eop = ri->ri_nextin; 3340 int total_len = 0, last_offset = 0; 3341 struct mbuf *ms = NULL, *me = NULL; 3342 int accept = 0; 3343 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3344 bus_dmamap_t map; 3345 int error; 3346 #endif 3347 3348 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3349 goto queue_mbuf; 3350 3351 #if defined(TULIP_DEBUG) 3352 if (cnt == ri->ri_max) 3353 break; 3354 #endif 3355 /* 3356 * If the TULIP has no descriptors, there can't be any receive 3357 * descriptors to process. 3358 */ 3359 if (eop == ri->ri_nextout) 3360 break; 3361 3362 /* 3363 * 90% of the packets will fit in one descriptor. So we optimize 3364 * for that case. 3365 */ 3366 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3367 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3368 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3369 me = ms; 3370 } else { 3371 /* 3372 * If still owned by the TULIP, don't touch it. 3373 */ 3374 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3375 break; 3376 3377 /* 3378 * It is possible (though improbable unless the BIG_PACKET support 3379 * is enabled or MCLBYTES < 1518) for a received packet to cross 3380 * more than one receive descriptor. 3381 */ 3382 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3383 if (++eop == ri->ri_last) 3384 eop = ri->ri_first; 3385 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3386 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3387 #if defined(TULIP_DEBUG) 3388 sc->tulip_dbg.dbg_rxintrs++; 3389 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3390 #endif 3391 TULIP_PERFEND(rxget); 3392 TULIP_PERFEND(rxintr); 3393 return; 3394 } 3395 total_len++; 3396 } 3397 3398 /* 3399 * Dequeue the first buffer for the start of the packet. Hopefully 3400 * this will be the only one we need to dequeue. However, if the 3401 * packet consumed multiple descriptors, then we need to dequeue 3402 * those buffers and chain to the starting mbuf. All buffers but 3403 * the last buffer have the same length so we can set that now. 3404 * (we add to last_offset instead of multiplying since we normally 3405 * won't go into the loop and thereby saving ourselves from 3406 * doing a multiplication by 0 in the normal case). 3407 */ 3408 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3409 for (me = ms; total_len > 0; total_len--) { 3410 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3411 map = M_GETCTX(me, bus_dmamap_t); 3412 TULIP_RXMAP_POSTSYNC(sc, map); 3413 bus_dmamap_unload(sc->tulip_dmatag, map); 3414 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3415 #if defined(DIAGNOSTIC) 3416 M_SETCTX(me, NULL); 3417 #endif 3418 #endif /* TULIP_BUS_DMA */ 3419 me->m_len = TULIP_RX_BUFLEN; 3420 last_offset += TULIP_RX_BUFLEN; 3421 _IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3422 me = me->m_next; 3423 } 3424 } 3425 3426 /* 3427 * Now get the size of received packet (minus the CRC). 3428 */ 3429 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3430 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3431 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3432 #ifdef BIG_PACKET 3433 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3434 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3435 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3436 TULIP_DSTS_RxOVERFLOW)) == 0) 3437 #endif 3438 )) { 3439 me->m_len = total_len - last_offset; 3440 3441 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3442 map = M_GETCTX(me, bus_dmamap_t); 3443 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3444 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3445 bus_dmamap_unload(sc->tulip_dmatag, map); 3446 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3447 #if defined(DIAGNOSTIC) 3448 M_SETCTX(me, NULL); 3449 #endif 3450 #endif /* TULIP_BUS_DMA */ 3451 3452 #ifndef __FreeBSD__ 3453 if (sc->tulip_if.if_bpf != NULL) { 3454 if (me == ms) 3455 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3456 else 3457 bpf_mtap(&sc->tulip_if, ms); 3458 } 3459 #endif 3460 sc->tulip_flags |= TULIP_RXACT; 3461 accept = 1; 3462 } else { 3463 ifp->if_ierrors++; 3464 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3465 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3466 } else { 3467 #if defined(TULIP_VERBOSE) 3468 const char *error = NULL; 3469 #endif 3470 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3471 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3472 #if defined(TULIP_VERBOSE) 3473 error = "frame too long"; 3474 #endif 3475 } 3476 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3477 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3478 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3479 #if defined(TULIP_VERBOSE) 3480 error = "alignment error"; 3481 #endif 3482 } else { 3483 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3484 #if defined(TULIP_VERBOSE) 3485 error = "bad crc"; 3486 #endif 3487 } 3488 } 3489 #if defined(TULIP_VERBOSE) 3490 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3491 printf("%s: receive: %6D: %s\n", 3492 sc->tulip_xname, 3493 mtod(ms, u_char *) + 6, ":", 3494 error); 3495 sc->tulip_flags |= TULIP_NOMESSAGES; 3496 } 3497 #endif 3498 } 3499 3500 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3501 map = M_GETCTX(me, bus_dmamap_t); 3502 bus_dmamap_unload(sc->tulip_dmatag, map); 3503 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3504 #if defined(DIAGNOSTIC) 3505 M_SETCTX(me, NULL); 3506 #endif 3507 #endif /* TULIP_BUS_DMA */ 3508 } 3509 #if defined(TULIP_DEBUG) 3510 cnt++; 3511 #endif 3512 ifp->if_ipackets++; 3513 if (++eop == ri->ri_last) 3514 eop = ri->ri_first; 3515 ri->ri_nextin = eop; 3516 queue_mbuf: 3517 /* 3518 * Either we are priming the TULIP with mbufs (m == NULL) 3519 * or we are about to accept an mbuf for the upper layers 3520 * so we need to allocate an mbuf to replace it. If we 3521 * can't replace it, send up it anyways. This may cause 3522 * us to drop packets in the future but that's better than 3523 * being caught in livelock. 3524 * 3525 * Note that if this packet crossed multiple descriptors 3526 * we don't even try to reallocate all the mbufs here. 3527 * Instead we rely on the test of the beginning of 3528 * the loop to refill for the extra consumed mbufs. 3529 */ 3530 if (accept || ms == NULL) { 3531 struct mbuf *m0; 3532 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3533 if (m0 != NULL) { 3534 #if defined(TULIP_COPY_RXDATA) 3535 if (!accept || total_len >= (MHLEN - 2)) { 3536 #endif 3537 MCLGET(m0, M_DONTWAIT); 3538 if ((m0->m_flags & M_EXT) == 0) { 3539 m_freem(m0); 3540 m0 = NULL; 3541 } 3542 #if defined(TULIP_COPY_RXDATA) 3543 } 3544 #endif 3545 } 3546 if (accept 3547 #if defined(TULIP_COPY_RXDATA) 3548 && m0 != NULL 3549 #endif 3550 ) { 3551 #if !defined(TULIP_COPY_RXDATA) 3552 ms->m_pkthdr.len = total_len; 3553 ms->m_pkthdr.rcvif = ifp; 3554 (*ifp->if_input)(ifp, ms); 3555 #else 3556 #ifdef BIG_PACKET 3557 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3558 #endif 3559 m0->m_data += 2; /* align data after header */ 3560 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3561 m0->m_len = m0->m_pkthdr.len = total_len; 3562 m0->m_pkthdr.rcvif = ifp; 3563 (*ifp->if_input)(ifp, m0); 3564 m0 = ms; 3565 #endif /* ! TULIP_COPY_RXDATA */ 3566 } 3567 ms = m0; 3568 } 3569 if (ms == NULL) { 3570 /* 3571 * Couldn't allocate a new buffer. Don't bother 3572 * trying to replenish the receive queue. 3573 */ 3574 fillok = 0; 3575 sc->tulip_flags |= TULIP_RXBUFSLOW; 3576 #if defined(TULIP_DEBUG) 3577 sc->tulip_dbg.dbg_rxlowbufs++; 3578 #endif 3579 TULIP_PERFEND(rxget); 3580 continue; 3581 } 3582 /* 3583 * Now give the buffer(s) to the TULIP and save in our 3584 * receive queue. 3585 */ 3586 do { 3587 tulip_desc_t * const nextout = ri->ri_nextout; 3588 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3589 if (sc->tulip_rxmaps_free > 0) { 3590 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3591 } else { 3592 m_freem(ms); 3593 sc->tulip_flags |= TULIP_RXBUFSLOW; 3594 #if defined(TULIP_DEBUG) 3595 sc->tulip_dbg.dbg_rxlowbufs++; 3596 #endif 3597 break; 3598 } 3599 M_SETCTX(ms, map); 3600 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3601 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3602 if (error) { 3603 printf("%s: unable to load rx map, " 3604 "error = %d\n", sc->tulip_xname, error); 3605 panic("tulip_rx_intr"); /* XXX */ 3606 } 3607 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3608 nextout->d_length1 = map->dm_segs[0].ds_len; 3609 if (map->dm_nsegs == 2) { 3610 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3611 nextout->d_length2 = map->dm_segs[1].ds_len; 3612 } else { 3613 nextout->d_addr2 = 0; 3614 nextout->d_length2 = 0; 3615 } 3616 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3617 #else /* TULIP_BUS_DMA */ 3618 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3619 nextout->d_length1 = TULIP_RX_BUFLEN; 3620 #endif /* TULIP_BUS_DMA */ 3621 nextout->d_status = TULIP_DSTS_OWNER; 3622 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3623 if (++ri->ri_nextout == ri->ri_last) 3624 ri->ri_nextout = ri->ri_first; 3625 me = ms->m_next; 3626 ms->m_next = NULL; 3627 _IF_ENQUEUE(&sc->tulip_rxq, ms); 3628 } while ((ms = me) != NULL); 3629 3630 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3631 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3632 TULIP_PERFEND(rxget); 3633 } 3634 3635 #if defined(TULIP_DEBUG) 3636 sc->tulip_dbg.dbg_rxintrs++; 3637 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3638 #endif 3639 TULIP_PERFEND(rxintr); 3640 } 3641 3642 static int 3643 tulip_tx_intr( 3644 tulip_softc_t * const sc) 3645 { 3646 TULIP_PERFSTART(txintr) 3647 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3648 struct mbuf *m; 3649 int xmits = 0; 3650 int descs = 0; 3651 3652 while (ri->ri_free < ri->ri_max) { 3653 u_int32_t d_flag; 3654 3655 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3656 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3657 break; 3658 3659 ri->ri_free++; 3660 descs++; 3661 d_flag = ri->ri_nextin->d_flag; 3662 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3663 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3664 /* 3665 * We've just finished processing a setup packet. 3666 * Mark that we finished it. If there's not 3667 * another pending, startup the TULIP receiver. 3668 * Make sure we ack the RXSTOPPED so we won't get 3669 * an abormal interrupt indication. 3670 */ 3671 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3672 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3673 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3674 sc->tulip_flags |= TULIP_HASHONLY; 3675 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3676 tulip_rx_intr(sc); 3677 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3678 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3679 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3680 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3681 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3682 } 3683 } else { 3684 const u_int32_t d_status = ri->ri_nextin->d_status; 3685 _IF_DEQUEUE(&sc->tulip_txq, m); 3686 if (m != NULL) { 3687 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3688 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3689 TULIP_TXMAP_POSTSYNC(sc, map); 3690 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3691 #endif /* TULIP_BUS_DMA */ 3692 m_freem(m); 3693 #if defined(TULIP_DEBUG) 3694 } else { 3695 printf("%s: tx_intr: failed to dequeue mbuf?!?\n", 3696 sc->tulip_xname); 3697 #endif 3698 } 3699 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3700 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3701 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3702 #if defined(TULIP_DEBUG) 3703 if (d_status & TULIP_DSTS_TxNOCARR) 3704 sc->tulip_dbg.dbg_txprobe_nocarr++; 3705 if (d_status & TULIP_DSTS_TxEXCCOLL) 3706 sc->tulip_dbg.dbg_txprobe_exccoll++; 3707 #endif 3708 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3709 } 3710 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3711 /* 3712 * Escape from the loop before media poll has reset the TULIP! 3713 */ 3714 break; 3715 } else { 3716 xmits++; 3717 if (d_status & TULIP_DSTS_ERRSUM) { 3718 sc->tulip_if.if_oerrors++; 3719 if (d_status & TULIP_DSTS_TxEXCCOLL) 3720 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3721 if (d_status & TULIP_DSTS_TxLATECOLL) 3722 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3723 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3724 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3725 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3726 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3727 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3728 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3729 if (d_status & TULIP_DSTS_TxBABBLE) 3730 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3731 } else { 3732 u_int32_t collisions = 3733 (d_status & TULIP_DSTS_TxCOLLMASK) 3734 >> TULIP_DSTS_V_TxCOLLCNT; 3735 sc->tulip_if.if_collisions += collisions; 3736 if (collisions == 1) 3737 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3738 else if (collisions > 1) 3739 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3740 else if (d_status & TULIP_DSTS_TxDEFERRED) 3741 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3742 /* 3743 * SQE is only valid for 10baseT/BNC/AUI when not 3744 * running in full-duplex. In order to speed up the 3745 * test, the corresponding bit in tulip_flags needs to 3746 * set as well to get us to count SQE Test Errors. 3747 */ 3748 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3749 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3750 } 3751 } 3752 } 3753 } 3754 3755 if (++ri->ri_nextin == ri->ri_last) 3756 ri->ri_nextin = ri->ri_first; 3757 3758 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3759 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3760 } 3761 /* 3762 * If nothing left to transmit, disable the timer. 3763 * Else if progress, reset the timer back to 2 ticks. 3764 */ 3765 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3766 sc->tulip_txtimer = 0; 3767 else if (xmits > 0) 3768 sc->tulip_txtimer = TULIP_TXTIMER; 3769 sc->tulip_if.if_opackets += xmits; 3770 TULIP_PERFEND(txintr); 3771 return descs; 3772 } 3773 3774 static void 3775 tulip_print_abnormal_interrupt( 3776 tulip_softc_t * const sc, 3777 u_int32_t csr) 3778 { 3779 const char * const *msgp = tulip_status_bits; 3780 const char *sep; 3781 u_int32_t mask; 3782 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3783 3784 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3785 printf("%s: abnormal interrupt:", sc->tulip_xname); 3786 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3787 if ((csr & mask) && *msgp != NULL) { 3788 printf("%s%s", sep, *msgp); 3789 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3790 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3791 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3792 printf(" (switching to store-and-forward mode)"); 3793 } else { 3794 printf(" (raising TX threshold to %s)", 3795 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3796 } 3797 } 3798 sep = ", "; 3799 } 3800 } 3801 printf("\n"); 3802 } 3803 3804 static void 3805 tulip_intr_handler( 3806 tulip_softc_t * const sc, 3807 int *progress_p) 3808 { 3809 TULIP_PERFSTART(intr) 3810 u_int32_t csr; 3811 3812 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3813 *progress_p = 1; 3814 TULIP_CSR_WRITE(sc, csr_status, csr); 3815 3816 if (csr & TULIP_STS_SYSERROR) { 3817 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3818 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3819 sc->tulip_flags |= TULIP_SYSTEMERROR; 3820 } else { 3821 printf("%s: system error: %s\n", 3822 sc->tulip_xname, 3823 tulip_system_errors[sc->tulip_last_system_error]); 3824 } 3825 sc->tulip_flags |= TULIP_NEEDRESET; 3826 sc->tulip_system_errors++; 3827 break; 3828 } 3829 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3830 #if defined(TULIP_DEBUG) 3831 sc->tulip_dbg.dbg_link_intrs++; 3832 #endif 3833 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3834 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3835 ? TULIP_MEDIAPOLL_LINKFAIL 3836 : TULIP_MEDIAPOLL_LINKPASS); 3837 csr &= ~TULIP_STS_ABNRMLINTR; 3838 } 3839 tulip_media_print(sc); 3840 } 3841 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3842 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3843 if (csr & TULIP_STS_RXNOBUF) 3844 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3845 /* 3846 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3847 * on receive overflows. 3848 */ 3849 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3850 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3851 /* 3852 * Stop the receiver process and spin until it's stopped. 3853 * Tell rx_intr to drop the packets it dequeues. 3854 */ 3855 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3856 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3857 ; 3858 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3859 sc->tulip_flags |= TULIP_RXIGNORE; 3860 } 3861 tulip_rx_intr(sc); 3862 if (sc->tulip_flags & TULIP_RXIGNORE) { 3863 /* 3864 * Restart the receiver. 3865 */ 3866 sc->tulip_flags &= ~TULIP_RXIGNORE; 3867 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3868 } 3869 } 3870 if (csr & TULIP_STS_ABNRMLINTR) { 3871 u_int32_t tmp = csr & sc->tulip_intrmask 3872 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3873 if (csr & TULIP_STS_TXUNDERFLOW) { 3874 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3875 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3876 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3877 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3878 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3879 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3880 } 3881 } 3882 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3883 sc->tulip_statusbits |= tmp; 3884 } else { 3885 tulip_print_abnormal_interrupt(sc, tmp); 3886 sc->tulip_flags |= TULIP_NOMESSAGES; 3887 } 3888 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3889 } 3890 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3891 tulip_tx_intr(sc); 3892 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3893 tulip_ifstart(&sc->tulip_if); 3894 } 3895 } 3896 if (sc->tulip_flags & TULIP_NEEDRESET) { 3897 tulip_reset(sc); 3898 tulip_init(sc); 3899 } 3900 TULIP_PERFEND(intr); 3901 } 3902 3903 #if defined(TULIP_USE_SOFTINTR) 3904 /* 3905 * This is an experimental idea to alleviate problems due to interrupt 3906 * livelock. What is interrupt livelock? It's when you spend all your 3907 * time servicing device interrupts and never drop below device ipl 3908 * to do "useful" work. 3909 * 3910 * So what we do here is see if the device needs service and if so, 3911 * disable interrupts (dismiss the interrupt), place it in a list of devices 3912 * needing service, and issue a network software interrupt. 3913 * 3914 * When our network software interrupt routine gets called, we simply 3915 * walk done the list of devices that we have created and deal with them 3916 * at splnet/splsoftnet. 3917 * 3918 */ 3919 static void 3920 tulip_hardintr_handler( 3921 tulip_softc_t * const sc, 3922 int *progress_p) 3923 { 3924 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3925 return; 3926 *progress_p = 1; 3927 /* 3928 * disable interrupts 3929 */ 3930 TULIP_CSR_WRITE(sc, csr_intr, 0); 3931 /* 3932 * mark it as needing a software interrupt 3933 */ 3934 tulip_softintr_mask |= (1U << sc->tulip_unit); 3935 } 3936 3937 static void 3938 tulip_softintr( 3939 void) 3940 { 3941 u_int32_t softintr_mask, mask; 3942 int progress = 0; 3943 int unit; 3944 int s; 3945 3946 /* 3947 * Copy mask to local copy and reset global one to 0. 3948 */ 3949 s = splimp(); 3950 softintr_mask = tulip_softintr_mask; 3951 tulip_softintr_mask = 0; 3952 splx(s); 3953 3954 /* 3955 * Optimize for the single unit case. 3956 */ 3957 if (tulip_softintr_max_unit == 0) { 3958 if (softintr_mask & 1) { 3959 tulip_softc_t * const sc = tulips[0]; 3960 /* 3961 * Handle the "interrupt" and then reenable interrupts 3962 */ 3963 softintr_mask = 0; 3964 tulip_intr_handler(sc, &progress); 3965 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3966 } 3967 return; 3968 } 3969 3970 /* 3971 * Handle all "queued" interrupts in a round robin fashion. 3972 * This is done so as not to favor a particular interface. 3973 */ 3974 unit = tulip_softintr_last_unit; 3975 mask = (1U << unit); 3976 while (softintr_mask != 0) { 3977 if (tulip_softintr_max_unit == unit) { 3978 unit = 0; mask = 1; 3979 } else { 3980 unit += 1; mask <<= 1; 3981 } 3982 if (softintr_mask & mask) { 3983 tulip_softc_t * const sc = tulips[unit]; 3984 /* 3985 * Handle the "interrupt" and then reenable interrupts 3986 */ 3987 softintr_mask ^= mask; 3988 tulip_intr_handler(sc, &progress); 3989 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3990 } 3991 } 3992 3993 /* 3994 * Save where we ending up. 3995 */ 3996 tulip_softintr_last_unit = unit; 3997 } 3998 #endif /* TULIP_USE_SOFTINTR */ 3999 4000 static void 4001 tulip_intr_shared( 4002 void *arg) 4003 { 4004 tulip_softc_t * sc = arg; 4005 int progress = 0; 4006 4007 for (; sc != NULL; sc = sc->tulip_slaves) { 4008 #if defined(TULIP_DEBUG) 4009 sc->tulip_dbg.dbg_intrs++; 4010 #endif 4011 #if defined(TULIP_USE_SOFTINTR) 4012 tulip_hardintr_handler(sc, &progress); 4013 #else 4014 tulip_intr_handler(sc, &progress); 4015 #endif 4016 } 4017 #if defined(TULIP_USE_SOFTINTR) 4018 if (progress) 4019 schednetisr(NETISR_DE); 4020 #endif 4021 } 4022 4023 static void 4024 tulip_intr_normal( 4025 void *arg) 4026 { 4027 tulip_softc_t * sc = (tulip_softc_t *) arg; 4028 int progress = 0; 4029 4030 #if defined(TULIP_DEBUG) 4031 sc->tulip_dbg.dbg_intrs++; 4032 #endif 4033 #if defined(TULIP_USE_SOFTINTR) 4034 tulip_hardintr_handler(sc, &progress); 4035 if (progress) 4036 schednetisr(NETISR_DE); 4037 #else 4038 tulip_intr_handler(sc, &progress); 4039 #endif 4040 } 4041 4042 static struct mbuf * 4043 tulip_mbuf_compress( 4044 struct mbuf *m) 4045 { 4046 struct mbuf *m0; 4047 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4048 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4049 if (m0 != NULL) { 4050 if (m->m_pkthdr.len > MHLEN) { 4051 MCLGET(m0, M_DONTWAIT); 4052 if ((m0->m_flags & M_EXT) == 0) { 4053 m_freem(m); 4054 m_freem(m0); 4055 return NULL; 4056 } 4057 } 4058 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4059 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4060 } 4061 #else 4062 int mlen = MHLEN; 4063 int len = m->m_pkthdr.len; 4064 struct mbuf **mp = &m0; 4065 4066 while (len > 0) { 4067 if (mlen == MHLEN) { 4068 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4069 } else { 4070 MGET(*mp, M_DONTWAIT, MT_DATA); 4071 } 4072 if (*mp == NULL) { 4073 m_freem(m0); 4074 m0 = NULL; 4075 break; 4076 } 4077 if (len > MLEN) { 4078 MCLGET(*mp, M_DONTWAIT); 4079 if (((*mp)->m_flags & M_EXT) == 0) { 4080 m_freem(m0); 4081 m0 = NULL; 4082 break; 4083 } 4084 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4085 } else { 4086 (*mp)->m_len = len <= mlen ? len : mlen; 4087 } 4088 m_copydata(m, m->m_pkthdr.len - len, 4089 (*mp)->m_len, mtod((*mp), caddr_t)); 4090 len -= (*mp)->m_len; 4091 mp = &(*mp)->m_next; 4092 mlen = MLEN; 4093 } 4094 #endif 4095 m_freem(m); 4096 return m0; 4097 } 4098 4099 static struct mbuf * 4100 tulip_txput( 4101 tulip_softc_t * const sc, 4102 struct mbuf *m) 4103 { 4104 TULIP_PERFSTART(txput) 4105 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4106 tulip_desc_t *eop, *nextout; 4107 int segcnt, free; 4108 u_int32_t d_status; 4109 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4110 bus_dmamap_t map; 4111 int error; 4112 #else 4113 struct mbuf *m0; 4114 #endif 4115 4116 #if defined(TULIP_DEBUG) 4117 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4118 printf("%s: txput%s: tx not running\n", 4119 sc->tulip_xname, 4120 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4121 sc->tulip_flags |= TULIP_WANTTXSTART; 4122 sc->tulip_dbg.dbg_txput_finishes[0]++; 4123 goto finish; 4124 } 4125 #endif 4126 4127 /* 4128 * Now we try to fill in our transmit descriptors. This is 4129 * a bit reminiscent of going on the Ark two by two 4130 * since each descriptor for the TULIP can describe 4131 * two buffers. So we advance through packet filling 4132 * each of the two entries at a time to to fill each 4133 * descriptor. Clear the first and last segment bits 4134 * in each descriptor (actually just clear everything 4135 * but the end-of-ring or chain bits) to make sure 4136 * we don't get messed up by previously sent packets. 4137 * 4138 * We may fail to put the entire packet on the ring if 4139 * there is either not enough ring entries free or if the 4140 * packet has more than MAX_TXSEG segments. In the former 4141 * case we will just wait for the ring to empty. In the 4142 * latter case we have to recopy. 4143 */ 4144 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4145 again: 4146 m0 = m; 4147 #endif 4148 d_status = 0; 4149 eop = nextout = ri->ri_nextout; 4150 segcnt = 0; 4151 free = ri->ri_free; 4152 4153 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4154 /* 4155 * Reclaim some dma maps from if we are out. 4156 */ 4157 if (sc->tulip_txmaps_free == 0) { 4158 #if defined(TULIP_DEBUG) 4159 sc->tulip_dbg.dbg_no_txmaps++; 4160 #endif 4161 free += tulip_tx_intr(sc); 4162 } 4163 if (sc->tulip_txmaps_free > 0) { 4164 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4165 } else { 4166 sc->tulip_flags |= TULIP_WANTTXSTART; 4167 #if defined(TULIP_DEBUG) 4168 sc->tulip_dbg.dbg_txput_finishes[1]++; 4169 #endif 4170 goto finish; 4171 } 4172 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4173 if (error != 0) { 4174 if (error == EFBIG) { 4175 /* 4176 * The packet exceeds the number of transmit buffer 4177 * entries that we can use for one packet, so we have 4178 * to recopy it into one mbuf and then try again. 4179 */ 4180 m = tulip_mbuf_compress(m); 4181 if (m == NULL) { 4182 #if defined(TULIP_DEBUG) 4183 sc->tulip_dbg.dbg_txput_finishes[2]++; 4184 #endif 4185 goto finish; 4186 } 4187 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4188 } 4189 if (error != 0) { 4190 printf("%s: unable to load tx map, " 4191 "error = %d\n", sc->tulip_xname, error); 4192 #if defined(TULIP_DEBUG) 4193 sc->tulip_dbg.dbg_txput_finishes[3]++; 4194 #endif 4195 goto finish; 4196 } 4197 } 4198 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4199 /* 4200 * See if there's any unclaimed space in the transmit ring. 4201 */ 4202 && (free += tulip_tx_intr(sc)) <= 0) { 4203 /* 4204 * There's no more room but since nothing 4205 * has been committed at this point, just 4206 * show output is active, put back the 4207 * mbuf and return. 4208 */ 4209 sc->tulip_flags |= TULIP_WANTTXSTART; 4210 #if defined(TULIP_DEBUG) 4211 sc->tulip_dbg.dbg_txput_finishes[4]++; 4212 #endif 4213 bus_dmamap_unload(sc->tulip_dmatag, map); 4214 goto finish; 4215 } 4216 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4217 eop = nextout; 4218 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4219 eop->d_status = d_status; 4220 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4221 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4222 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4223 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4224 d_status = TULIP_DSTS_OWNER; 4225 if (++nextout == ri->ri_last) 4226 nextout = ri->ri_first; 4227 } 4228 if (segcnt < map->dm_nsegs) { 4229 eop = nextout; 4230 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4231 eop->d_status = d_status; 4232 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4233 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4234 eop->d_addr2 = 0; 4235 eop->d_length2 = 0; 4236 if (++nextout == ri->ri_last) 4237 nextout = ri->ri_first; 4238 } 4239 TULIP_TXMAP_PRESYNC(sc, map); 4240 M_SETCTX(m, map); 4241 map = NULL; 4242 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4243 4244 #else /* !TULIP_BUS_DMA */ 4245 4246 do { 4247 int len = m0->m_len; 4248 caddr_t addr = mtod(m0, caddr_t); 4249 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4250 4251 while (len > 0) { 4252 unsigned slen = min(len, clsize); 4253 #ifdef BIG_PACKET 4254 int partial = 0; 4255 if (slen >= 2048) 4256 slen = 2040, partial = 1; 4257 #endif 4258 segcnt++; 4259 if (segcnt > TULIP_MAX_TXSEG) { 4260 /* 4261 * The packet exceeds the number of transmit buffer 4262 * entries that we can use for one packet, so we have 4263 * recopy it into one mbuf and then try again. 4264 */ 4265 m = tulip_mbuf_compress(m); 4266 if (m == NULL) 4267 goto finish; 4268 goto again; 4269 } 4270 if (segcnt & 1) { 4271 if (--free == 0) { 4272 /* 4273 * See if there's any unclaimed space in the 4274 * transmit ring. 4275 */ 4276 if ((free += tulip_tx_intr(sc)) == 0) { 4277 /* 4278 * There's no more room but since nothing 4279 * has been committed at this point, just 4280 * show output is active, put back the 4281 * mbuf and return. 4282 */ 4283 sc->tulip_flags |= TULIP_WANTTXSTART; 4284 #if defined(TULIP_DEBUG) 4285 sc->tulip_dbg.dbg_txput_finishes[1]++; 4286 #endif 4287 goto finish; 4288 } 4289 } 4290 eop = nextout; 4291 if (++nextout == ri->ri_last) 4292 nextout = ri->ri_first; 4293 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4294 eop->d_status = d_status; 4295 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4296 eop->d_length1 = slen; 4297 } else { 4298 /* 4299 * Fill in second half of descriptor 4300 */ 4301 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4302 eop->d_length2 = slen; 4303 } 4304 d_status = TULIP_DSTS_OWNER; 4305 len -= slen; 4306 addr += slen; 4307 #ifdef BIG_PACKET 4308 if (partial) 4309 continue; 4310 #endif 4311 clsize = PAGE_SIZE; 4312 } 4313 } while ((m0 = m0->m_next) != NULL); 4314 #endif /* TULIP_BUS_DMA */ 4315 4316 /* 4317 * bounce a copy to the bpf listener, if any. 4318 */ 4319 BPF_MTAP(&sc->tulip_if, m); 4320 4321 /* 4322 * The descriptors have been filled in. Now get ready 4323 * to transmit. 4324 */ 4325 _IF_ENQUEUE(&sc->tulip_txq, m); 4326 m = NULL; 4327 4328 /* 4329 * Make sure the next descriptor after this packet is owned 4330 * by us since it may have been set up above if we ran out 4331 * of room in the ring. 4332 */ 4333 nextout->d_status = 0; 4334 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4335 4336 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4337 /* 4338 * If we only used the first segment of the last descriptor, 4339 * make sure the second segment will not be used. 4340 */ 4341 if (segcnt & 1) { 4342 eop->d_addr2 = 0; 4343 eop->d_length2 = 0; 4344 } 4345 #endif /* TULIP_BUS_DMA */ 4346 4347 /* 4348 * Mark the last and first segments, indicate we want a transmit 4349 * complete interrupt, and tell it to transmit! 4350 */ 4351 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4352 4353 /* 4354 * Note that ri->ri_nextout is still the start of the packet 4355 * and until we set the OWNER bit, we can still back out of 4356 * everything we have done. 4357 */ 4358 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4359 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4360 if (eop < ri->ri_nextout) { 4361 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4362 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4363 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4364 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4365 } else { 4366 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4367 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4368 } 4369 #endif 4370 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4371 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4372 4373 /* 4374 * This advances the ring for us. 4375 */ 4376 ri->ri_nextout = nextout; 4377 ri->ri_free = free; 4378 4379 TULIP_PERFEND(txput); 4380 4381 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4382 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4383 sc->tulip_if.if_flags |= IFF_OACTIVE; 4384 sc->tulip_if.if_start = tulip_ifstart; 4385 TULIP_PERFEND(txput); 4386 return NULL; 4387 } 4388 4389 /* 4390 * switch back to the single queueing ifstart. 4391 */ 4392 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4393 if (sc->tulip_txtimer == 0) 4394 sc->tulip_txtimer = TULIP_TXTIMER; 4395 #if defined(TULIP_DEBUG) 4396 sc->tulip_dbg.dbg_txput_finishes[5]++; 4397 #endif 4398 4399 /* 4400 * If we want a txstart, there must be not enough space in the 4401 * transmit ring. So we want to enable transmit done interrupts 4402 * so we can immediately reclaim some space. When the transmit 4403 * interrupt is posted, the interrupt handler will call tx_intr 4404 * to reclaim space and then txstart (since WANTTXSTART is set). 4405 * txstart will move the packet into the transmit ring and clear 4406 * WANTTXSTART thereby causing TXINTR to be cleared. 4407 */ 4408 finish: 4409 #if defined(TULIP_DEBUG) 4410 sc->tulip_dbg.dbg_txput_finishes[6]++; 4411 #endif 4412 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4413 sc->tulip_if.if_flags |= IFF_OACTIVE; 4414 sc->tulip_if.if_start = tulip_ifstart; 4415 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4416 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4417 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4418 } 4419 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4420 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4421 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4422 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4423 } 4424 } 4425 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4426 TULIP_PERFEND(txput); 4427 return m; 4428 } 4429 4430 static void 4431 tulip_txput_setup( 4432 tulip_softc_t * const sc) 4433 { 4434 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4435 tulip_desc_t *nextout; 4436 4437 /* 4438 * We will transmit, at most, one setup packet per call to ifstart. 4439 */ 4440 4441 #if defined(TULIP_DEBUG) 4442 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4443 printf("%s: txput_setup: tx not running\n", 4444 sc->tulip_xname); 4445 sc->tulip_flags |= TULIP_WANTTXSTART; 4446 sc->tulip_if.if_start = tulip_ifstart; 4447 return; 4448 } 4449 #endif 4450 /* 4451 * Try to reclaim some free descriptors.. 4452 */ 4453 if (ri->ri_free < 2) 4454 tulip_tx_intr(sc); 4455 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4456 sc->tulip_flags |= TULIP_WANTTXSTART; 4457 sc->tulip_if.if_start = tulip_ifstart; 4458 return; 4459 } 4460 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4461 sizeof(sc->tulip_setupbuf)); 4462 /* 4463 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4464 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4465 */ 4466 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4467 ri->ri_free--; 4468 nextout = ri->ri_nextout; 4469 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4470 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4471 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4472 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4473 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4474 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4475 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4476 4477 nextout->d_length2 = 0; 4478 nextout->d_addr2 = 0; 4479 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4480 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4481 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4482 if (sc->tulip_setupmap->dm_nsegs == 2) { 4483 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4484 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4485 } 4486 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4487 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4488 #else 4489 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4490 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4491 #endif 4492 4493 /* 4494 * Advance the ring for the next transmit packet. 4495 */ 4496 if (++ri->ri_nextout == ri->ri_last) 4497 ri->ri_nextout = ri->ri_first; 4498 4499 /* 4500 * Make sure the next descriptor is owned by us since it 4501 * may have been set up above if we ran out of room in the 4502 * ring. 4503 */ 4504 ri->ri_nextout->d_status = 0; 4505 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4506 nextout->d_status = TULIP_DSTS_OWNER; 4507 /* 4508 * Flush the ownwership of the current descriptor 4509 */ 4510 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4511 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4512 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4513 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4514 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4515 } 4516 } 4517 4518 4519 /* 4520 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4521 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4522 * defined or not. 4523 */ 4524 static int 4525 tulip_ifioctl( 4526 struct ifnet * ifp, 4527 u_long cmd, 4528 caddr_t data) 4529 { 4530 TULIP_PERFSTART(ifioctl) 4531 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4532 struct ifreq *ifr = (struct ifreq *) data; 4533 int s; 4534 int error = 0; 4535 4536 #if defined(TULIP_USE_SOFTINTR) 4537 s = splnet(); 4538 #else 4539 s = splimp(); 4540 #endif 4541 switch (cmd) { 4542 case SIOCSIFFLAGS: { 4543 tulip_addr_filter(sc); /* reinit multicast filter */ 4544 tulip_init(sc); 4545 break; 4546 } 4547 4548 case SIOCSIFMEDIA: 4549 case SIOCGIFMEDIA: { 4550 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4551 break; 4552 } 4553 4554 case SIOCADDMULTI: 4555 case SIOCDELMULTI: { 4556 /* 4557 * Update multicast listeners 4558 */ 4559 tulip_addr_filter(sc); /* reset multicast filtering */ 4560 tulip_init(sc); 4561 error = 0; 4562 break; 4563 } 4564 4565 case SIOCSIFMTU: 4566 /* 4567 * Set the interface MTU. 4568 */ 4569 if (ifr->ifr_mtu > ETHERMTU 4570 #ifdef BIG_PACKET 4571 && sc->tulip_chipid != TULIP_21140 4572 && sc->tulip_chipid != TULIP_21140A 4573 && sc->tulip_chipid != TULIP_21041 4574 #endif 4575 ) { 4576 error = EINVAL; 4577 break; 4578 } 4579 ifp->if_mtu = ifr->ifr_mtu; 4580 #ifdef BIG_PACKET 4581 tulip_reset(sc); 4582 tulip_init(sc); 4583 #endif 4584 break; 4585 4586 #ifdef SIOCGADDRROM 4587 case SIOCGADDRROM: { 4588 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4589 break; 4590 } 4591 #endif 4592 #ifdef SIOCGCHIPID 4593 case SIOCGCHIPID: { 4594 ifr->ifr_metric = (int) sc->tulip_chipid; 4595 break; 4596 } 4597 #endif 4598 default: { 4599 error = ether_ioctl(ifp, cmd, data); 4600 break; 4601 } 4602 } 4603 4604 splx(s); 4605 TULIP_PERFEND(ifioctl); 4606 return error; 4607 } 4608 4609 /* 4610 * These routines gets called at device spl (from ether_output). This might 4611 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4612 * device spl from another driver. 4613 */ 4614 4615 static void 4616 tulip_ifstart( 4617 struct ifnet * const ifp) 4618 { 4619 TULIP_PERFSTART(ifstart) 4620 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4621 4622 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4623 4624 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4625 tulip_txput_setup(sc); 4626 4627 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_if.if_snd)) { 4628 struct mbuf *m; 4629 IFQ_DRV_DEQUEUE(&sc->tulip_if.if_snd, m); 4630 if(m == NULL) 4631 break; 4632 if ((m = tulip_txput(sc, m)) != NULL) { 4633 IFQ_DRV_PREPEND(&sc->tulip_if.if_snd, m); 4634 break; 4635 } 4636 } 4637 } 4638 4639 TULIP_PERFEND(ifstart); 4640 } 4641 4642 /* 4643 * Even though this routine runs at device spl, it does not break 4644 * our use of splnet (splsoftnet under NetBSD) for the majority 4645 * of this driver (if TULIP_USE_SOFTINTR defined) since 4646 * if_watcbog is called from if_watchdog which is called from 4647 * splsoftclock which is below spl[soft]net. 4648 */ 4649 static void 4650 tulip_ifwatchdog( 4651 struct ifnet *ifp) 4652 { 4653 TULIP_PERFSTART(ifwatchdog) 4654 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4655 4656 #if defined(TULIP_DEBUG) 4657 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4658 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4659 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4660 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4661 #endif /* TULIP_DEBUG */ 4662 4663 sc->tulip_if.if_timer = 1; 4664 /* 4665 * These should be rare so do a bulk test up front so we can just skip 4666 * them if needed. 4667 */ 4668 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4669 /* 4670 * If the number of receive buffer is low, try to refill 4671 */ 4672 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4673 tulip_rx_intr(sc); 4674 4675 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4676 printf("%s: %d system errors: last was %s\n", 4677 sc->tulip_xname, sc->tulip_system_errors, 4678 tulip_system_errors[sc->tulip_last_system_error]); 4679 } 4680 if (sc->tulip_statusbits) { 4681 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4682 sc->tulip_statusbits = 0; 4683 } 4684 4685 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4686 } 4687 4688 if (sc->tulip_txtimer) 4689 tulip_tx_intr(sc); 4690 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4691 printf("%s: transmission timeout\n", sc->tulip_xname); 4692 if (TULIP_DO_AUTOSENSE(sc)) { 4693 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4694 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4695 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4696 } 4697 tulip_reset(sc); 4698 tulip_init(sc); 4699 } 4700 4701 TULIP_PERFEND(ifwatchdog); 4702 TULIP_PERFMERGE(sc, perf_intr_cycles); 4703 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4704 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4705 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4706 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4707 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4708 TULIP_PERFMERGE(sc, perf_txput_cycles); 4709 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4710 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4711 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4712 TULIP_PERFMERGE(sc, perf_intr); 4713 TULIP_PERFMERGE(sc, perf_ifstart); 4714 TULIP_PERFMERGE(sc, perf_ifioctl); 4715 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4716 TULIP_PERFMERGE(sc, perf_timeout); 4717 TULIP_PERFMERGE(sc, perf_ifstart_one); 4718 TULIP_PERFMERGE(sc, perf_txput); 4719 TULIP_PERFMERGE(sc, perf_txintr); 4720 TULIP_PERFMERGE(sc, perf_rxintr); 4721 TULIP_PERFMERGE(sc, perf_rxget); 4722 } 4723 4724 /* 4725 * All printf's are real as of now! 4726 */ 4727 #ifdef printf 4728 #undef printf 4729 #endif 4730 4731 static void 4732 tulip_attach( 4733 tulip_softc_t * const sc) 4734 { 4735 struct ifnet * const ifp = &sc->tulip_if; 4736 4737 /* XXX: driver name/unit should be set some other way */ 4738 ifp->if_dname = "de"; 4739 ifp->if_dunit = sc->tulip_unit; 4740 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST|IFF_NEEDSGIANT; 4741 ifp->if_ioctl = tulip_ifioctl; 4742 ifp->if_start = tulip_ifstart; 4743 ifp->if_watchdog = tulip_ifwatchdog; 4744 ifp->if_timer = 1; 4745 ifp->if_init = tulip_ifinit; 4746 4747 printf("%s: %s%s pass %d.%d%s\n", 4748 sc->tulip_xname, 4749 sc->tulip_boardid, 4750 tulip_chipdescs[sc->tulip_chipid], 4751 (sc->tulip_revinfo & 0xF0) >> 4, 4752 sc->tulip_revinfo & 0x0F, 4753 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4754 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4755 #ifndef __FreeBSD__ 4756 printf("%s: address %6D\n", 4757 sc->tulip_xname, sc->tulip_enaddr, ":"); 4758 #endif 4759 4760 #if defined(__alpha__) 4761 /* 4762 * In case the SRM console told us about a bogus media, 4763 * we need to check to be safe. 4764 */ 4765 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4766 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4767 #endif 4768 4769 (*sc->tulip_boardsw->bd_media_probe)(sc); 4770 ifmedia_init(&sc->tulip_ifmedia, 0, 4771 tulip_ifmedia_change, 4772 tulip_ifmedia_status); 4773 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4774 tulip_ifmedia_add(sc); 4775 4776 tulip_reset(sc); 4777 4778 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr); 4779 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4780 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4781 IFQ_SET_READY(&ifp->if_snd); 4782 } 4783 4784 #if defined(TULIP_BUS_DMA) 4785 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4786 static int 4787 tulip_busdma_allocmem( 4788 tulip_softc_t * const sc, 4789 size_t size, 4790 bus_dmamap_t *map_p, 4791 tulip_desc_t **desc_p) 4792 { 4793 bus_dma_segment_t segs[1]; 4794 int nsegs, error; 4795 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4796 segs, sizeof(segs)/sizeof(segs[0]), 4797 &nsegs, BUS_DMA_NOWAIT); 4798 if (error == 0) { 4799 void *desc; 4800 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4801 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4802 if (error == 0) { 4803 bus_dmamap_t map; 4804 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4805 BUS_DMA_NOWAIT, &map); 4806 if (error == 0) { 4807 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4808 size, NULL, BUS_DMA_NOWAIT); 4809 if (error) 4810 bus_dmamap_destroy(sc->tulip_dmatag, map); 4811 else 4812 *map_p = map; 4813 } 4814 if (error) 4815 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4816 } 4817 if (error) 4818 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4819 else 4820 *desc_p = desc; 4821 } 4822 return error; 4823 } 4824 #endif 4825 4826 static int 4827 tulip_busdma_init( 4828 tulip_softc_t * const sc) 4829 { 4830 int error = 0; 4831 4832 #if !defined(TULIP_BUS_DMA_NOTX) 4833 /* 4834 * Allocate dmamap for setup descriptor 4835 */ 4836 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4837 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4838 &sc->tulip_setupmap); 4839 if (error == 0) { 4840 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4841 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4842 NULL, BUS_DMA_NOWAIT); 4843 if (error) 4844 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4845 } 4846 /* 4847 * Allocate space and dmamap for transmit ring 4848 */ 4849 if (error == 0) { 4850 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4851 &sc->tulip_txdescmap, 4852 &sc->tulip_txdescs); 4853 } 4854 4855 /* 4856 * Allocate dmamaps for each transmit descriptors 4857 */ 4858 if (error == 0) { 4859 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4860 bus_dmamap_t map; 4861 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4862 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4863 } 4864 if (error) { 4865 while (sc->tulip_txmaps_free > 0) 4866 bus_dmamap_destroy(sc->tulip_dmatag, 4867 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4868 } 4869 } 4870 #else 4871 if (error == 0) { 4872 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4873 if (sc->tulip_txdescs == NULL) 4874 error = ENOMEM; 4875 } 4876 #endif 4877 #if !defined(TULIP_BUS_DMA_NORX) 4878 /* 4879 * Allocate space and dmamap for receive ring 4880 */ 4881 if (error == 0) { 4882 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4883 &sc->tulip_rxdescmap, 4884 &sc->tulip_rxdescs); 4885 } 4886 4887 /* 4888 * Allocate dmamaps for each receive descriptors 4889 */ 4890 if (error == 0) { 4891 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4892 bus_dmamap_t map; 4893 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4894 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4895 } 4896 if (error) { 4897 while (sc->tulip_rxmaps_free > 0) 4898 bus_dmamap_destroy(sc->tulip_dmatag, 4899 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4900 } 4901 } 4902 #else 4903 if (error == 0) { 4904 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4905 if (sc->tulip_rxdescs == NULL) 4906 error = ENOMEM; 4907 } 4908 #endif 4909 return error; 4910 } 4911 #endif /* TULIP_BUS_DMA */ 4912 4913 static void 4914 tulip_initcsrs( 4915 tulip_softc_t * const sc, 4916 tulip_csrptr_t csr_base, 4917 size_t csr_size) 4918 { 4919 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4920 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4921 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4922 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4923 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4924 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4925 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4926 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4927 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4928 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4929 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4930 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4931 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4932 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4933 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4934 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4935 } 4936 4937 static void 4938 tulip_initring( 4939 tulip_softc_t * const sc, 4940 tulip_ringinfo_t * const ri, 4941 tulip_desc_t *descs, 4942 int ndescs) 4943 { 4944 ri->ri_max = ndescs; 4945 ri->ri_first = descs; 4946 ri->ri_last = ri->ri_first + ri->ri_max; 4947 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4948 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4949 } 4950 4951 /* 4952 * This is the PCI configuration support. 4953 */ 4954 4955 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4956 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4957 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4958 4959 static int 4960 tulip_pci_probe(device_t dev) 4961 { 4962 const char *name = NULL; 4963 4964 if (pci_get_vendor(dev) != DEC_VENDORID) 4965 return ENXIO; 4966 4967 /* 4968 * Some LanMedia WAN cards use the Tulip chip, but they have 4969 * their own driver, and we should not recognize them 4970 */ 4971 if (pci_get_subvendor(dev) == 0x1376) 4972 return ENXIO; 4973 4974 switch (pci_get_device(dev)) { 4975 case CHIPID_21040: 4976 name = "Digital 21040 Ethernet"; 4977 break; 4978 case CHIPID_21041: 4979 name = "Digital 21041 Ethernet"; 4980 break; 4981 case CHIPID_21140: 4982 if (pci_get_revid(dev) >= 0x20) 4983 name = "Digital 21140A Fast Ethernet"; 4984 else 4985 name = "Digital 21140 Fast Ethernet"; 4986 break; 4987 case CHIPID_21142: 4988 if (pci_get_revid(dev) >= 0x20) 4989 name = "Digital 21143 Fast Ethernet"; 4990 else 4991 name = "Digital 21142 Fast Ethernet"; 4992 break; 4993 } 4994 if (name) { 4995 device_set_desc(dev, name); 4996 return -200; 4997 } 4998 return ENXIO; 4999 } 5000 5001 static int 5002 tulip_shutdown(device_t dev) 5003 { 5004 tulip_softc_t * const sc = device_get_softc(dev); 5005 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5006 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5007 33MHz that comes to two microseconds but wait a 5008 bit longer anyways) */ 5009 return 0; 5010 } 5011 5012 static int 5013 tulip_pci_attach(device_t dev) 5014 { 5015 tulip_softc_t *sc; 5016 #if defined(__alpha__) 5017 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5018 #endif 5019 int retval, idx; 5020 u_int32_t revinfo, cfdainfo, cfcsinfo; 5021 unsigned csroffset = TULIP_PCI_CSROFFSET; 5022 unsigned csrsize = TULIP_PCI_CSRSIZE; 5023 tulip_csrptr_t csr_base; 5024 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5025 struct resource *res; 5026 int rid, unit; 5027 5028 unit = device_get_unit(dev); 5029 5030 if (unit >= TULIP_MAX_DEVICES) { 5031 printf("de%d", unit); 5032 printf(": not configured; limit of %d reached or exceeded\n", 5033 TULIP_MAX_DEVICES); 5034 return ENXIO; 5035 } 5036 5037 revinfo = pci_get_revid(dev); 5038 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5039 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5040 5041 /* turn busmaster on in case BIOS doesn't set it */ 5042 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5043 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5044 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5045 } 5046 5047 if (pci_get_vendor(dev) == DEC_VENDORID) { 5048 if (pci_get_device(dev) == CHIPID_21040) 5049 chipid = TULIP_21040; 5050 else if (pci_get_device(dev) == CHIPID_21041) 5051 chipid = TULIP_21041; 5052 else if (pci_get_device(dev) == CHIPID_21140) 5053 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5054 else if (pci_get_device(dev) == CHIPID_21142) 5055 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5056 } 5057 if (chipid == TULIP_CHIPID_UNKNOWN) 5058 return ENXIO; 5059 5060 if (chipid == TULIP_21040 && revinfo < 0x20) { 5061 printf("de%d", unit); 5062 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5063 revinfo >> 4, revinfo & 0x0f); 5064 return ENXIO; 5065 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5066 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5067 unit, revinfo >> 4, revinfo & 0x0f); 5068 return ENXIO; 5069 } 5070 5071 sc = device_get_softc(dev); 5072 sc->tulip_pci_busno = pci_get_bus(dev); 5073 sc->tulip_pci_devno = pci_get_slot(dev); 5074 sc->tulip_chipid = chipid; 5075 sc->tulip_flags |= TULIP_DEVICEPROBE; 5076 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5077 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5078 if (chipid == TULIP_21140A && revinfo <= 0x22) 5079 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5080 if (chipid == TULIP_21140) 5081 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5082 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5083 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5084 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5085 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5086 if (chipid != TULIP_21041 || revinfo >= 0x20) 5087 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5088 if (chipid != TULIP_21041) 5089 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5090 if (chipid != TULIP_21041 && revinfo >= 0x20) 5091 sc->tulip_features |= TULIP_HAVE_SIA100; 5092 } 5093 5094 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5095 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5096 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5097 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5098 DELAY(11*1000); 5099 } 5100 #if defined(__alpha__) 5101 /* 5102 * The Alpha SRM console encodes a console set media in the driver 5103 * part of the CFDA register. Note that the Multia presents a 5104 * problem in that its BNC mode is really EXTSIA. So in that case 5105 * force a probe. 5106 */ 5107 switch ((cfdainfo >> 8) & 0xff) { 5108 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5109 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5110 case 3: media = TULIP_MEDIA_10BASET; break; 5111 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5112 case 5: media = TULIP_MEDIA_100BASETX; break; 5113 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5114 default: media = TULIP_MEDIA_UNKNOWN; break; 5115 } 5116 #endif 5117 5118 sc->tulip_unit = unit; 5119 snprintf(sc->tulip_xname, IFNAMSIZ, "de%d", sc->tulip_unit); 5120 sc->tulip_revinfo = revinfo; 5121 sc->tulip_if.if_softc = sc; 5122 #if defined(TULIP_IOMAPPED) 5123 rid = PCI_CBIO; 5124 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 5125 #else 5126 rid = PCI_CBMA; 5127 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 5128 #endif 5129 if (!res) 5130 return ENXIO; 5131 sc->tulip_csrs_bst = rman_get_bustag(res); 5132 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5133 csr_base = 0; 5134 5135 tulips[unit] = sc; 5136 5137 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5138 5139 #if defined(TULIP_BUS_DMA) 5140 if ((retval = tulip_busdma_init(sc)) != 0) { 5141 printf("error initing bus_dma: %d\n", retval); 5142 return ENXIO; 5143 } 5144 #else 5145 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5146 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5147 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5148 printf("malloc failed\n"); 5149 if (sc->tulip_rxdescs) 5150 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5151 if (sc->tulip_txdescs) 5152 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5153 return ENXIO; 5154 } 5155 #endif 5156 5157 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5158 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5159 5160 /* 5161 * Make sure there won't be any interrupts or such... 5162 */ 5163 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5164 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5165 33MHz that comes to two microseconds but wait a 5166 bit longer anyways) */ 5167 5168 if ((retval = tulip_read_macaddr(sc)) < 0) { 5169 printf("%s", sc->tulip_xname); 5170 printf(": can't read ENET ROM (why=%d) (", retval); 5171 for (idx = 0; idx < 32; idx++) 5172 printf("%02x", sc->tulip_rombuf[idx]); 5173 printf("\n"); 5174 printf("%s: %s%s pass %d.%d\n", 5175 sc->tulip_xname, 5176 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5177 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5178 printf("%s: address unknown\n", sc->tulip_xname); 5179 } else { 5180 int s; 5181 void (*intr_rtn)(void *) = tulip_intr_normal; 5182 5183 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5184 intr_rtn = tulip_intr_shared; 5185 5186 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5187 void *ih; 5188 5189 rid = 0; 5190 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 5191 RF_SHAREABLE | RF_ACTIVE); 5192 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5193 intr_rtn, sc, &ih)) { 5194 printf("%s: couldn't map interrupt\n", 5195 sc->tulip_xname); 5196 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5197 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5198 return ENXIO; 5199 } 5200 } 5201 #if defined(TULIP_USE_SOFTINTR) 5202 if (sc->tulip_unit > tulip_softintr_max_unit) 5203 tulip_softintr_max_unit = sc->tulip_unit; 5204 #endif 5205 5206 s = splimp(); 5207 #if defined(__alpha__) 5208 sc->tulip_media = media; 5209 #endif 5210 tulip_attach(sc); 5211 #if defined(__alpha__) 5212 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5213 tulip_linkup(sc, media); 5214 #endif 5215 splx(s); 5216 } 5217 return 0; 5218 } 5219 5220 static device_method_t tulip_pci_methods[] = { 5221 /* Device interface */ 5222 DEVMETHOD(device_probe, tulip_pci_probe), 5223 DEVMETHOD(device_attach, tulip_pci_attach), 5224 DEVMETHOD(device_shutdown, tulip_shutdown), 5225 { 0, 0 } 5226 }; 5227 static driver_t tulip_pci_driver = { 5228 "de", 5229 tulip_pci_methods, 5230 sizeof(tulip_softc_t), 5231 }; 5232 static devclass_t tulip_devclass; 5233 DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0);

Cache object: 37d2e677b783dd786f4f8421c21c3624

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

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