1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 /*- 3 * Copyright (c) 1994-1997 Matt Thomas ([email protected]) 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("$FreeBSD$"); 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_one(struct ifnet *ifp); 121 static void tulip_ifstart(struct ifnet *ifp); 122 static void tulip_init(tulip_softc_t * const sc); 123 static void tulip_intr_shared(void *arg); 124 static void tulip_intr_normal(void *arg); 125 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 126 const unsigned phyaddr); 127 static int tulip_mii_map_abilities(tulip_softc_t * const sc, 128 unsigned abilities); 129 static tulip_media_t 130 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 131 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 132 unsigned regno); 133 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 134 unsigned regno, unsigned data); 135 static void tulip_reset(tulip_softc_t * const sc); 136 static void tulip_rx_intr(tulip_softc_t * const sc); 137 static int tulip_srom_decode(tulip_softc_t * const sc); 138 static struct mbuf * 139 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 140 static void tulip_txput_setup(tulip_softc_t * const sc); 141 142 static void 143 tulip_timeout_callback( 144 void *arg) 145 { 146 tulip_softc_t * const sc = arg; 147 int s = splimp(); 148 149 TULIP_PERFSTART(timeout) 150 151 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 152 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 153 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 154 155 TULIP_PERFEND(timeout); 156 splx(s); 157 } 158 159 static void 160 tulip_timeout( 161 tulip_softc_t * const sc) 162 { 163 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 164 return; 165 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 166 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 167 } 168 169 #if defined(TULIP_NEED_FASTTIMEOUT) 170 static void 171 tulip_fasttimeout_callback( 172 void *arg) 173 { 174 tulip_softc_t * const sc = arg; 175 int s = splimp(); 176 177 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 178 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 179 splx(s); 180 } 181 182 static void 183 tulip_fasttimeout( 184 tulip_softc_t * const sc) 185 { 186 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 187 return; 188 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 189 timeout(tulip_fasttimeout_callback, sc, 1); 190 } 191 #endif 192 193 static int 194 tulip_txprobe( 195 tulip_softc_t * const sc) 196 { 197 struct mbuf *m; 198 /* 199 * Before we are sure this is the right media we need 200 * to send a small packet to make sure there's carrier. 201 * Strangely, BNC and AUI will "see" receive data if 202 * either is connected so the transmit is the only way 203 * to verify the connectivity. 204 */ 205 MGETHDR(m, M_DONTWAIT, MT_DATA); 206 if (m == NULL) 207 return 0; 208 /* 209 * Construct a LLC TEST message which will point to ourselves. 210 */ 211 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 212 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 213 mtod(m, struct ether_header *)->ether_type = htons(3); 214 mtod(m, unsigned char *)[14] = 0; 215 mtod(m, unsigned char *)[15] = 0; 216 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 217 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 218 /* 219 * send it! 220 */ 221 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 222 sc->tulip_intrmask |= TULIP_STS_TXINTR; 223 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 224 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 225 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 226 if ((m = tulip_txput(sc, m)) != NULL) 227 m_freem(m); 228 sc->tulip_probe.probe_txprobes++; 229 return 1; 230 } 231 232 #ifdef BIG_PACKET 233 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 234 #else 235 #define TULIP_SIAGEN_WATCHDOG 0 236 #endif 237 238 static void 239 tulip_media_set( 240 tulip_softc_t * const sc, 241 tulip_media_t media) 242 { 243 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 244 245 if (mi == NULL) 246 return; 247 248 /* 249 * If we are switching media, make sure we don't think there's 250 * any stale RX activity 251 */ 252 sc->tulip_flags &= ~TULIP_RXACT; 253 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 254 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 255 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 256 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 257 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 258 DELAY(50); 259 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 260 } else { 261 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 262 } 263 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 264 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 265 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 266 /* 267 * If the cmdmode bits don't match the currently operating mode, 268 * set the cmdmode appropriately and reset the chip. 269 */ 270 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 271 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 272 sc->tulip_cmdmode |= mi->mi_cmdmode; 273 tulip_reset(sc); 274 } 275 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 276 DELAY(10); 277 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 278 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 279 /* 280 * If the cmdmode bits don't match the currently operating mode, 281 * set the cmdmode appropriately and reset the chip. 282 */ 283 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 284 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 285 sc->tulip_cmdmode |= mi->mi_cmdmode; 286 tulip_reset(sc); 287 } 288 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 289 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 290 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 291 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 292 int idx; 293 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 294 const u_int8_t *dp; 295 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 296 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 297 DELAY(10); 298 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 299 } 300 sc->tulip_phyaddr = mi->mi_phyaddr; 301 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 302 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 303 DELAY(10); 304 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 305 } 306 } else { 307 for (idx = 0; idx < mi->mi_reset_length; idx++) { 308 DELAY(10); 309 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 310 } 311 sc->tulip_phyaddr = mi->mi_phyaddr; 312 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 313 DELAY(10); 314 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 315 } 316 } 317 if (sc->tulip_flags & TULIP_TRYNWAY) { 318 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 319 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 320 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 321 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 322 sc->tulip_flags &= ~TULIP_DIDNWAY; 323 if (TULIP_IS_MEDIA_FD(media)) 324 data |= PHYCTL_FULL_DUPLEX; 325 if (TULIP_IS_MEDIA_100MB(media)) 326 data |= PHYCTL_SELECT_100MB; 327 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 328 } 329 } 330 } 331 332 static void 333 tulip_linkup( 334 tulip_softc_t * const sc, 335 tulip_media_t media) 336 { 337 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 338 sc->tulip_flags |= TULIP_PRINTLINKUP; 339 sc->tulip_flags |= TULIP_LINKUP; 340 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 341 #if 0 /* XXX how does with work with ifmedia? */ 342 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 343 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 344 if (TULIP_CAN_MEDIA_FD(media) 345 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 346 media = TULIP_FD_MEDIA_OF(media); 347 } else { 348 if (TULIP_IS_MEDIA_FD(media) 349 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 350 media = TULIP_HD_MEDIA_OF(media); 351 } 352 } 353 #endif 354 if (sc->tulip_media != media) { 355 #ifdef TULIP_DEBUG 356 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 357 #endif 358 sc->tulip_media = media; 359 sc->tulip_flags |= TULIP_PRINTMEDIA; 360 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 361 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 362 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 363 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 364 } 365 } 366 /* 367 * We could set probe_timeout to 0 but setting to 3000 puts this 368 * in one central place and the only matters is tulip_link is 369 * followed by a tulip_timeout. Therefore setting it should not 370 * result in aberrant behavour. 371 */ 372 sc->tulip_probe_timeout = 3000; 373 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 374 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 375 if (sc->tulip_flags & TULIP_INRESET) { 376 tulip_media_set(sc, sc->tulip_media); 377 } else if (sc->tulip_probe_media != sc->tulip_media) { 378 /* 379 * No reason to change media if we have the right media. 380 */ 381 tulip_reset(sc); 382 } 383 tulip_init(sc); 384 } 385 386 static void 387 tulip_media_print( 388 tulip_softc_t * const sc) 389 { 390 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 391 return; 392 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 393 printf("%s: enabling %s port\n", 394 sc->tulip_xname, 395 tulip_mediums[sc->tulip_media]); 396 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 397 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 398 printf("%s: link up\n", sc->tulip_xname); 399 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 400 } 401 } 402 403 #if defined(TULIP_DO_GPR_SENSE) 404 static tulip_media_t 405 tulip_21140_gpr_media_sense( 406 tulip_softc_t * const sc) 407 { 408 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 409 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 410 tulip_media_t media; 411 412 /* 413 * If one of the media blocks contained a default media flag, 414 * use that. 415 */ 416 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 417 const tulip_media_info_t *mi; 418 /* 419 * Media is not supported (or is full-duplex). 420 */ 421 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 422 continue; 423 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 424 continue; 425 426 /* 427 * Remember the media is this is the "default" media. 428 */ 429 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 430 maybe_media = media; 431 432 /* 433 * No activity mask? Can't see if it is active if there's no mask. 434 */ 435 if (mi->mi_actmask == 0) 436 continue; 437 438 /* 439 * Does the activity data match? 440 */ 441 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 442 continue; 443 444 #if defined(TULIP_DEBUG) 445 printf("%s: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 446 sc->tulip_xname, tulip_mediums[media], 447 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 448 mi->mi_actmask, mi->mi_actdata); 449 #endif 450 /* 451 * It does! If this is the first media we detected, then 452 * remember this media. If isn't the first, then there were 453 * multiple matches which we equate to no match (since we don't 454 * which to select (if any). 455 */ 456 if (last_media == TULIP_MEDIA_UNKNOWN) { 457 last_media = media; 458 } else if (last_media != media) { 459 last_media = TULIP_MEDIA_UNKNOWN; 460 } 461 } 462 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 463 } 464 #endif /* TULIP_DO_GPR_SENSE */ 465 466 static tulip_link_status_t 467 tulip_media_link_monitor( 468 tulip_softc_t * const sc) 469 { 470 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 471 tulip_link_status_t linkup = TULIP_LINK_DOWN; 472 473 if (mi == NULL) { 474 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 475 panic("tulip_media_link_monitor: %s: botch at line %d\n", 476 tulip_mediums[sc->tulip_media],__LINE__); 477 #else 478 return TULIP_LINK_UNKNOWN; 479 #endif 480 } 481 482 483 /* 484 * Have we seen some packets? If so, the link must be good. 485 */ 486 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 487 sc->tulip_flags &= ~TULIP_RXACT; 488 sc->tulip_probe_timeout = 3000; 489 return TULIP_LINK_UP; 490 } 491 492 sc->tulip_flags &= ~TULIP_RXACT; 493 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 494 u_int32_t status; 495 /* 496 * Read the PHY status register. 497 */ 498 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 499 if (status & PHYSTS_AUTONEG_DONE) { 500 /* 501 * If the PHY has completed autonegotiation, see the if the 502 * remote systems abilities have changed. If so, upgrade or 503 * downgrade as appropriate. 504 */ 505 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 506 abilities = (abilities << 6) & status; 507 if (abilities != sc->tulip_abilities) { 508 #if defined(TULIP_DEBUG) 509 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 510 sc->tulip_xname, sc->tulip_phyaddr, 511 sc->tulip_abilities, abilities); 512 #endif 513 if (tulip_mii_map_abilities(sc, abilities)) { 514 tulip_linkup(sc, sc->tulip_probe_media); 515 return TULIP_LINK_UP; 516 } 517 /* 518 * if we had selected media because of autonegotiation, 519 * we need to probe for the new media. 520 */ 521 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 522 if (sc->tulip_flags & TULIP_DIDNWAY) 523 return TULIP_LINK_DOWN; 524 } 525 } 526 /* 527 * The link is now up. If was down, say its back up. 528 */ 529 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 530 linkup = TULIP_LINK_UP; 531 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 532 /* 533 * No activity sensor? Assume all's well. 534 */ 535 if (mi->mi_actmask == 0) 536 return TULIP_LINK_UNKNOWN; 537 /* 538 * Does the activity data match? 539 */ 540 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 541 linkup = TULIP_LINK_UP; 542 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 543 /* 544 * Assume non TP ok for now. 545 */ 546 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 547 return TULIP_LINK_UNKNOWN; 548 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 549 linkup = TULIP_LINK_UP; 550 #if defined(TULIP_DEBUG) 551 if (sc->tulip_probe_timeout <= 0) 552 printf("%s: sia status = 0x%08x\n", sc->tulip_xname, 553 TULIP_CSR_READ(sc, csr_sia_status)); 554 #endif 555 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 556 return TULIP_LINK_UNKNOWN; 557 } 558 /* 559 * We will wait for 3 seconds until the link goes into suspect mode. 560 */ 561 if (sc->tulip_flags & TULIP_LINKUP) { 562 if (linkup == TULIP_LINK_UP) 563 sc->tulip_probe_timeout = 3000; 564 if (sc->tulip_probe_timeout > 0) 565 return TULIP_LINK_UP; 566 567 sc->tulip_flags &= ~TULIP_LINKUP; 568 printf("%s: link down: cable problem?\n", sc->tulip_xname); 569 } 570 #if defined(TULIP_DEBUG) 571 sc->tulip_dbg.dbg_link_downed++; 572 #endif 573 return TULIP_LINK_DOWN; 574 } 575 576 static void 577 tulip_media_poll( 578 tulip_softc_t * const sc, 579 tulip_mediapoll_event_t event) 580 { 581 #if defined(TULIP_DEBUG) 582 sc->tulip_dbg.dbg_events[event]++; 583 #endif 584 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 585 && event == TULIP_MEDIAPOLL_TIMER) { 586 switch (tulip_media_link_monitor(sc)) { 587 case TULIP_LINK_DOWN: { 588 /* 589 * Link Monitor failed. Probe for new media. 590 */ 591 event = TULIP_MEDIAPOLL_LINKFAIL; 592 break; 593 } 594 case TULIP_LINK_UP: { 595 /* 596 * Check again soon. 597 */ 598 tulip_timeout(sc); 599 return; 600 } 601 case TULIP_LINK_UNKNOWN: { 602 /* 603 * We can't tell so don't bother. 604 */ 605 return; 606 } 607 } 608 } 609 610 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 611 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 612 if (TULIP_DO_AUTOSENSE(sc)) { 613 #if defined(TULIP_DEBUG) 614 sc->tulip_dbg.dbg_link_failures++; 615 #endif 616 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 617 if (sc->tulip_if.if_flags & IFF_UP) 618 tulip_reset(sc); /* restart probe */ 619 } 620 return; 621 } 622 #if defined(TULIP_DEBUG) 623 sc->tulip_dbg.dbg_link_pollintrs++; 624 #endif 625 } 626 627 if (event == TULIP_MEDIAPOLL_START) { 628 sc->tulip_if.if_flags |= IFF_OACTIVE; 629 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 630 return; 631 sc->tulip_probe_mediamask = 0; 632 sc->tulip_probe_passes = 0; 633 #if defined(TULIP_DEBUG) 634 sc->tulip_dbg.dbg_media_probes++; 635 #endif 636 /* 637 * If the SROM contained an explicit media to use, use it. 638 */ 639 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 640 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 641 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 642 /* 643 * connidx is defaulted to a media_unknown type. 644 */ 645 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 646 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 647 tulip_linkup(sc, sc->tulip_probe_media); 648 tulip_timeout(sc); 649 return; 650 } 651 652 if (sc->tulip_features & TULIP_HAVE_GPR) { 653 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 654 sc->tulip_probe_timeout = 2000; 655 } else { 656 sc->tulip_probe_media = TULIP_MEDIA_MAX; 657 sc->tulip_probe_timeout = 0; 658 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 659 } 660 } 661 662 /* 663 * Ignore txprobe failures or spurious callbacks. 664 */ 665 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 666 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 667 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 668 return; 669 } 670 671 /* 672 * If we really transmitted a packet, then that's the media we'll use. 673 */ 674 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 675 if (event == TULIP_MEDIAPOLL_LINKPASS) { 676 /* XXX Check media status just to be sure */ 677 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 678 #if defined(TULIP_DEBUG) 679 } else { 680 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 681 #endif 682 } 683 tulip_linkup(sc, sc->tulip_probe_media); 684 tulip_timeout(sc); 685 return; 686 } 687 688 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 689 #if defined(TULIP_DO_GPR_SENSE) 690 /* 691 * Check for media via the general purpose register. 692 * 693 * Try to sense the media via the GPR. If the same value 694 * occurs 3 times in a row then just use that. 695 */ 696 if (sc->tulip_probe_timeout > 0) { 697 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 698 #if defined(TULIP_DEBUG) 699 printf("%s: media_poll: gpr sensing = %s\n", 700 sc->tulip_xname, tulip_mediums[new_probe_media]); 701 #endif 702 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 703 if (new_probe_media == sc->tulip_probe_media) { 704 if (--sc->tulip_probe_count == 0) 705 tulip_linkup(sc, sc->tulip_probe_media); 706 } else { 707 sc->tulip_probe_count = 10; 708 } 709 } 710 sc->tulip_probe_media = new_probe_media; 711 tulip_timeout(sc); 712 return; 713 } 714 #endif /* TULIP_DO_GPR_SENSE */ 715 /* 716 * Brute force. We cycle through each of the media types 717 * and try to transmit a packet. 718 */ 719 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 720 sc->tulip_probe_media = TULIP_MEDIA_MAX; 721 sc->tulip_probe_timeout = 0; 722 tulip_timeout(sc); 723 return; 724 } 725 726 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 727 && (sc->tulip_features & TULIP_HAVE_MII)) { 728 tulip_media_t old_media = sc->tulip_probe_media; 729 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 730 switch (sc->tulip_probe_state) { 731 case TULIP_PROBE_FAILED: 732 case TULIP_PROBE_MEDIATEST: { 733 /* 734 * Try the next media. 735 */ 736 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 737 sc->tulip_probe_timeout = 0; 738 #ifdef notyet 739 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 740 break; 741 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 742 break; 743 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 744 #endif 745 break; 746 } 747 case TULIP_PROBE_PHYAUTONEG: { 748 return; 749 } 750 case TULIP_PROBE_INACTIVE: { 751 /* 752 * Only probe if we autonegotiated a media that hasn't failed. 753 */ 754 sc->tulip_probe_timeout = 0; 755 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 756 sc->tulip_probe_media = old_media; 757 break; 758 } 759 tulip_linkup(sc, sc->tulip_probe_media); 760 tulip_timeout(sc); 761 return; 762 } 763 default: { 764 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 765 panic("tulip_media_poll: botch at line %d\n", __LINE__); 766 #endif 767 break; 768 } 769 } 770 } 771 772 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 773 #if defined(TULIP_DEBUG) 774 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 775 #endif 776 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 777 return; 778 } 779 780 /* 781 * switch to another media if we tried this one enough. 782 */ 783 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 784 #if defined(TULIP_DEBUG) 785 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 786 printf("%s: poll media unknown!\n", 787 sc->tulip_xname); 788 sc->tulip_probe_media = TULIP_MEDIA_MAX; 789 } 790 #endif 791 /* 792 * Find the next media type to check for. Full Duplex 793 * types are not allowed. 794 */ 795 do { 796 sc->tulip_probe_media -= 1; 797 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 798 if (++sc->tulip_probe_passes == 3) { 799 printf("%s: autosense failed: cable problem?\n", 800 sc->tulip_xname); 801 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 802 sc->tulip_if.if_flags &= ~IFF_RUNNING; 803 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 804 return; 805 } 806 } 807 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 808 sc->tulip_probe_mediamask = 0; 809 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 810 } 811 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 812 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 813 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 814 815 #if defined(TULIP_DEBUG) 816 printf("%s: %s: probing %s\n", sc->tulip_xname, 817 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 818 tulip_mediums[sc->tulip_probe_media]); 819 #endif 820 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 821 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 822 sc->tulip_probe.probe_txprobes = 0; 823 tulip_reset(sc); 824 tulip_media_set(sc, sc->tulip_probe_media); 825 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 826 } 827 tulip_timeout(sc); 828 829 /* 830 * If this is hanging off a phy, we know are doing NWAY and we have 831 * forced the phy to a specific speed. Wait for link up before 832 * before sending a packet. 833 */ 834 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 835 case TULIP_MEDIAINFO_MII: { 836 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 837 return; 838 break; 839 } 840 case TULIP_MEDIAINFO_SIA: { 841 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 842 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 843 return; 844 tulip_linkup(sc, sc->tulip_probe_media); 845 #ifdef notyet 846 if (sc->tulip_features & TULIP_HAVE_MII) 847 tulip_timeout(sc); 848 #endif 849 return; 850 } 851 break; 852 } 853 case TULIP_MEDIAINFO_RESET: 854 case TULIP_MEDIAINFO_SYM: 855 case TULIP_MEDIAINFO_NONE: 856 case TULIP_MEDIAINFO_GPR: { 857 break; 858 } 859 } 860 /* 861 * Try to send a packet. 862 */ 863 tulip_txprobe(sc); 864 } 865 866 static void 867 tulip_media_select( 868 tulip_softc_t * const sc) 869 { 870 if (sc->tulip_features & TULIP_HAVE_GPR) { 871 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 872 DELAY(10); 873 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 874 } 875 /* 876 * If this board has no media, just return 877 */ 878 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 879 return; 880 881 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 882 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 883 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 884 } else { 885 tulip_media_set(sc, sc->tulip_media); 886 } 887 } 888 889 static void 890 tulip_21040_mediainfo_init( 891 tulip_softc_t * const sc, 892 tulip_media_t media) 893 { 894 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 895 |TULIP_CMD_BACKOFFCTR; 896 sc->tulip_if.if_baudrate = 10000000; 897 898 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 899 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 900 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 901 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 902 } 903 904 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 905 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 906 } 907 908 if (media == TULIP_MEDIA_UNKNOWN) { 909 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 910 } 911 } 912 913 static void 914 tulip_21040_media_probe( 915 tulip_softc_t * const sc) 916 { 917 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 918 return; 919 } 920 921 static void 922 tulip_21040_10baset_only_media_probe( 923 tulip_softc_t * const sc) 924 { 925 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 926 tulip_media_set(sc, TULIP_MEDIA_10BASET); 927 sc->tulip_media = TULIP_MEDIA_10BASET; 928 } 929 930 static void 931 tulip_21040_10baset_only_media_select( 932 tulip_softc_t * const sc) 933 { 934 sc->tulip_flags |= TULIP_LINKUP; 935 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 936 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 937 sc->tulip_flags &= ~TULIP_SQETEST; 938 } else { 939 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 940 sc->tulip_flags |= TULIP_SQETEST; 941 } 942 tulip_media_set(sc, sc->tulip_media); 943 } 944 945 static void 946 tulip_21040_auibnc_only_media_probe( 947 tulip_softc_t * const sc) 948 { 949 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 950 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 951 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 952 sc->tulip_media = TULIP_MEDIA_AUIBNC; 953 } 954 955 static void 956 tulip_21040_auibnc_only_media_select( 957 tulip_softc_t * const sc) 958 { 959 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 960 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 961 } 962 963 static const tulip_boardsw_t tulip_21040_boardsw = { 964 TULIP_21040_GENERIC, 965 tulip_21040_media_probe, 966 tulip_media_select, 967 tulip_media_poll, 968 }; 969 970 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 971 TULIP_21040_GENERIC, 972 tulip_21040_10baset_only_media_probe, 973 tulip_21040_10baset_only_media_select, 974 NULL, 975 }; 976 977 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 978 TULIP_21040_GENERIC, 979 tulip_21040_auibnc_only_media_probe, 980 tulip_21040_auibnc_only_media_select, 981 NULL, 982 }; 983 984 static void 985 tulip_21041_mediainfo_init( 986 tulip_softc_t * const sc) 987 { 988 tulip_media_info_t * const mi = sc->tulip_mediainfo; 989 990 #ifdef notyet 991 if (sc->tulip_revinfo >= 0x20) { 992 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 993 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 994 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 995 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 996 return; 997 } 998 #endif 999 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1000 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1001 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1002 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1003 } 1004 1005 static void 1006 tulip_21041_media_probe( 1007 tulip_softc_t * const sc) 1008 { 1009 sc->tulip_if.if_baudrate = 10000000; 1010 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1011 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1012 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1013 tulip_21041_mediainfo_init(sc); 1014 } 1015 1016 static void 1017 tulip_21041_media_poll( 1018 tulip_softc_t * const sc, 1019 const tulip_mediapoll_event_t event) 1020 { 1021 u_int32_t sia_status; 1022 1023 #if defined(TULIP_DEBUG) 1024 sc->tulip_dbg.dbg_events[event]++; 1025 #endif 1026 1027 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1028 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1029 || !TULIP_DO_AUTOSENSE(sc)) 1030 return; 1031 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1032 tulip_reset(sc); /* start probe */ 1033 return; 1034 } 1035 1036 /* 1037 * If we've been been asked to start a poll or link change interrupt 1038 * restart the probe (and reset the tulip to a known state). 1039 */ 1040 if (event == TULIP_MEDIAPOLL_START) { 1041 sc->tulip_if.if_flags |= IFF_OACTIVE; 1042 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1043 #ifdef notyet 1044 if (sc->tulip_revinfo >= 0x20) { 1045 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1046 sc->tulip_flags |= TULIP_DIDNWAY; 1047 } 1048 #endif 1049 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1050 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1051 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1052 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1053 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1054 tulip_timeout(sc); 1055 return; 1056 } 1057 1058 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1059 return; 1060 1061 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1062 #if defined(TULIP_DEBUG) 1063 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1064 #endif 1065 tulip_linkup(sc, sc->tulip_probe_media); 1066 return; 1067 } 1068 1069 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1070 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1071 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1072 if (sc->tulip_revinfo >= 0x20) { 1073 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1074 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1075 } 1076 /* 1077 * If the link has passed LinkPass, 10baseT is the 1078 * proper media to use. 1079 */ 1080 tulip_linkup(sc, sc->tulip_probe_media); 1081 return; 1082 } 1083 1084 /* 1085 * wait for up to 2.4 seconds for the link to reach pass state. 1086 * Only then start scanning the other media for activity. 1087 * choose media with receive activity over those without. 1088 */ 1089 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1090 if (event != TULIP_MEDIAPOLL_TIMER) 1091 return; 1092 if (sc->tulip_probe_timeout > 0 1093 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1094 tulip_timeout(sc); 1095 return; 1096 } 1097 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1098 sc->tulip_flags |= TULIP_WANTRXACT; 1099 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1100 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1101 } else { 1102 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1103 } 1104 tulip_media_set(sc, sc->tulip_probe_media); 1105 tulip_timeout(sc); 1106 return; 1107 } 1108 1109 /* 1110 * If we failed, clear the txprobe active flag. 1111 */ 1112 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1113 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1114 1115 1116 if (event == TULIP_MEDIAPOLL_TIMER) { 1117 /* 1118 * If we've received something, then that's our link! 1119 */ 1120 if (sc->tulip_flags & TULIP_RXACT) { 1121 tulip_linkup(sc, sc->tulip_probe_media); 1122 return; 1123 } 1124 /* 1125 * if no txprobe active 1126 */ 1127 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1128 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1129 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1130 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1131 tulip_txprobe(sc); 1132 tulip_timeout(sc); 1133 return; 1134 } 1135 /* 1136 * Take 2 passes through before deciding to not 1137 * wait for receive activity. Then take another 1138 * two passes before spitting out a warning. 1139 */ 1140 if (sc->tulip_probe_timeout <= 0) { 1141 if (sc->tulip_flags & TULIP_WANTRXACT) { 1142 sc->tulip_flags &= ~TULIP_WANTRXACT; 1143 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1144 } else { 1145 printf("%s: autosense failed: cable problem?\n", 1146 sc->tulip_xname); 1147 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1148 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1149 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1150 return; 1151 } 1152 } 1153 } 1154 } 1155 1156 /* 1157 * Since this media failed to probe, try the other one. 1158 */ 1159 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1160 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1161 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1162 } else { 1163 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1164 } 1165 tulip_media_set(sc, sc->tulip_probe_media); 1166 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1167 tulip_timeout(sc); 1168 } 1169 1170 static const tulip_boardsw_t tulip_21041_boardsw = { 1171 TULIP_21041_GENERIC, 1172 tulip_21041_media_probe, 1173 tulip_media_select, 1174 tulip_21041_media_poll 1175 }; 1176 1177 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1178 { 0x20005c00, 0, /* 08-00-17 */ 1179 { 1180 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1181 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1182 }, 1183 #if defined(TULIP_DEBUG) 1184 "NS DP83840", 1185 #endif 1186 }, 1187 { 0x0281F400, 0, /* 00-A0-7D */ 1188 { 1189 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1190 { }, /* 100TX */ 1191 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1192 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1193 }, 1194 #if defined(TULIP_DEBUG) 1195 "Seeq 80C240" 1196 #endif 1197 }, 1198 #if 0 1199 { 0x0015F420, 0, /* 00-A0-7D */ 1200 { 1201 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1202 { }, /* 100TX */ 1203 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1204 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1205 }, 1206 #if defined(TULIP_DEBUG) 1207 "Broadcom BCM5000" 1208 #endif 1209 }, 1210 #endif 1211 { 0x0281F400, 0, /* 00-A0-BE */ 1212 { 1213 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1214 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1215 { }, /* 100T4 */ 1216 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1217 }, 1218 #if defined(TULIP_DEBUG) 1219 "ICS 1890" 1220 #endif 1221 }, 1222 { 0 } 1223 }; 1224 1225 static tulip_media_t 1226 tulip_mii_phy_readspecific( 1227 tulip_softc_t * const sc) 1228 { 1229 const tulip_phy_attr_t *attr; 1230 u_int16_t data; 1231 u_int32_t id; 1232 unsigned idx = 0; 1233 static const tulip_media_t table[] = { 1234 TULIP_MEDIA_UNKNOWN, 1235 TULIP_MEDIA_10BASET, 1236 TULIP_MEDIA_100BASETX, 1237 TULIP_MEDIA_100BASET4, 1238 TULIP_MEDIA_UNKNOWN, 1239 TULIP_MEDIA_10BASET_FD, 1240 TULIP_MEDIA_100BASETX_FD, 1241 TULIP_MEDIA_UNKNOWN 1242 }; 1243 1244 /* 1245 * Don't read phy specific registers if link is not up. 1246 */ 1247 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1248 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1249 return TULIP_MEDIA_UNKNOWN; 1250 1251 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1252 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1253 for (attr = tulip_mii_phy_attrlist;; attr++) { 1254 if (attr->attr_id == 0) 1255 return TULIP_MEDIA_UNKNOWN; 1256 if ((id & ~0x0F) == attr->attr_id) 1257 break; 1258 } 1259 1260 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1261 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1262 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1263 if ((data & pm->pm_mask) == pm->pm_value) 1264 idx = 2; 1265 } 1266 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1267 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1268 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1269 if ((data & pm->pm_mask) == pm->pm_value) 1270 idx = 3; 1271 } 1272 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1273 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1274 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1275 if ((data & pm->pm_mask) == pm->pm_value) 1276 idx = 1; 1277 } 1278 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1279 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1280 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1281 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1282 } 1283 return table[idx]; 1284 } 1285 1286 static unsigned 1287 tulip_mii_get_phyaddr( 1288 tulip_softc_t * const sc, 1289 unsigned offset) 1290 { 1291 unsigned phyaddr; 1292 1293 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1294 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1295 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1296 continue; 1297 if (offset == 0) 1298 return phyaddr; 1299 offset--; 1300 } 1301 if (offset == 0) { 1302 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1303 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1304 return TULIP_MII_NOPHY; 1305 return 0; 1306 } 1307 return TULIP_MII_NOPHY; 1308 } 1309 1310 static int 1311 tulip_mii_map_abilities( 1312 tulip_softc_t * const sc, 1313 unsigned abilities) 1314 { 1315 sc->tulip_abilities = abilities; 1316 if (abilities & PHYSTS_100BASETX_FD) { 1317 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1318 } else if (abilities & PHYSTS_100BASET4) { 1319 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1320 } else if (abilities & PHYSTS_100BASETX) { 1321 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1322 } else if (abilities & PHYSTS_10BASET_FD) { 1323 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1324 } else if (abilities & PHYSTS_10BASET) { 1325 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1326 } else { 1327 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1328 return 0; 1329 } 1330 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1331 return 1; 1332 } 1333 1334 static void 1335 tulip_mii_autonegotiate( 1336 tulip_softc_t * const sc, 1337 const unsigned phyaddr) 1338 { 1339 switch (sc->tulip_probe_state) { 1340 case TULIP_PROBE_MEDIATEST: 1341 case TULIP_PROBE_INACTIVE: { 1342 sc->tulip_flags |= TULIP_DIDNWAY; 1343 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1344 sc->tulip_probe_timeout = 3000; 1345 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1346 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1347 } 1348 /* FALLTHROUGH */ 1349 case TULIP_PROBE_PHYRESET: { 1350 u_int32_t status; 1351 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1352 if (data & PHYCTL_RESET) { 1353 if (sc->tulip_probe_timeout > 0) { 1354 tulip_timeout(sc); 1355 return; 1356 } 1357 printf("%s(phy%d): error: reset of PHY never completed!\n", 1358 sc->tulip_xname, phyaddr); 1359 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1360 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1361 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1362 return; 1363 } 1364 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1365 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1366 #if defined(TULIP_DEBUG) 1367 loudprintf("%s(phy%d): autonegotiation disabled\n", 1368 sc->tulip_xname, phyaddr); 1369 #endif 1370 sc->tulip_flags &= ~TULIP_DIDNWAY; 1371 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1372 return; 1373 } 1374 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1375 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1376 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1377 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1378 #if defined(TULIP_DEBUG) 1379 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1380 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1381 sc->tulip_xname, phyaddr, data); 1382 else 1383 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1384 sc->tulip_xname, phyaddr, data); 1385 sc->tulip_dbg.dbg_nway_starts++; 1386 #endif 1387 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1388 sc->tulip_probe_timeout = 3000; 1389 } 1390 /* FALLTHROUGH */ 1391 case TULIP_PROBE_PHYAUTONEG: { 1392 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1393 u_int32_t data; 1394 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1395 if (sc->tulip_probe_timeout > 0) { 1396 tulip_timeout(sc); 1397 return; 1398 } 1399 #if defined(TULIP_DEBUG) 1400 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1401 sc->tulip_xname, phyaddr, status, 1402 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1403 #endif 1404 sc->tulip_flags &= ~TULIP_DIDNWAY; 1405 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1406 return; 1407 } 1408 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1409 #if defined(TULIP_DEBUG) 1410 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1411 sc->tulip_xname, phyaddr, data); 1412 #endif 1413 data = (data << 6) & status; 1414 if (!tulip_mii_map_abilities(sc, data)) 1415 sc->tulip_flags &= ~TULIP_DIDNWAY; 1416 return; 1417 } 1418 default: { 1419 #if defined(DIAGNOSTIC) 1420 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1421 #endif 1422 break; 1423 } 1424 } 1425 #if defined(TULIP_DEBUG) 1426 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1427 sc->tulip_xname, phyaddr, sc->tulip_probe_state); 1428 sc->tulip_dbg.dbg_nway_failures++; 1429 #endif 1430 } 1431 1432 static void 1433 tulip_2114x_media_preset( 1434 tulip_softc_t * const sc) 1435 { 1436 const tulip_media_info_t *mi = NULL; 1437 tulip_media_t media = sc->tulip_media; 1438 1439 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1440 media = sc->tulip_media; 1441 else 1442 media = sc->tulip_probe_media; 1443 1444 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1445 sc->tulip_flags &= ~TULIP_SQETEST; 1446 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1447 #if defined(TULIP_DEBUG) 1448 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1449 #endif 1450 mi = sc->tulip_mediums[media]; 1451 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1452 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1453 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1454 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1455 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1456 sc->tulip_cmdmode |= mi->mi_cmdmode; 1457 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1458 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1459 } 1460 #if defined(TULIP_DEBUG) 1461 } else { 1462 printf("%s: preset: bad media %d!\n", 1463 sc->tulip_xname, media); 1464 } 1465 #endif 1466 } 1467 switch (media) { 1468 case TULIP_MEDIA_BNC: 1469 case TULIP_MEDIA_AUI: 1470 case TULIP_MEDIA_10BASET: { 1471 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1472 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1473 sc->tulip_if.if_baudrate = 10000000; 1474 sc->tulip_flags |= TULIP_SQETEST; 1475 break; 1476 } 1477 case TULIP_MEDIA_10BASET_FD: { 1478 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1479 sc->tulip_if.if_baudrate = 10000000; 1480 break; 1481 } 1482 case TULIP_MEDIA_100BASEFX: 1483 case TULIP_MEDIA_100BASET4: 1484 case TULIP_MEDIA_100BASETX: { 1485 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1486 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1487 sc->tulip_if.if_baudrate = 100000000; 1488 break; 1489 } 1490 case TULIP_MEDIA_100BASEFX_FD: 1491 case TULIP_MEDIA_100BASETX_FD: { 1492 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1493 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1494 sc->tulip_if.if_baudrate = 100000000; 1495 break; 1496 } 1497 default: { 1498 break; 1499 } 1500 } 1501 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1502 } 1503 1504 /* 1505 ******************************************************************** 1506 * Start of 21140/21140A support which does not use the MII interface 1507 */ 1508 1509 static void 1510 tulip_null_media_poll( 1511 tulip_softc_t * const sc, 1512 tulip_mediapoll_event_t event) 1513 { 1514 #if defined(TULIP_DEBUG) 1515 sc->tulip_dbg.dbg_events[event]++; 1516 #endif 1517 #if defined(DIAGNOSTIC) 1518 printf("%s: botch(media_poll) at line %d\n", 1519 sc->tulip_xname, __LINE__); 1520 #endif 1521 } 1522 1523 __inline static void 1524 tulip_21140_mediainit( 1525 tulip_softc_t * const sc, 1526 tulip_media_info_t * const mip, 1527 tulip_media_t const media, 1528 unsigned gpdata, 1529 unsigned cmdmode) 1530 { 1531 sc->tulip_mediums[media] = mip; 1532 mip->mi_type = TULIP_MEDIAINFO_GPR; 1533 mip->mi_cmdmode = cmdmode; 1534 mip->mi_gpdata = gpdata; 1535 } 1536 1537 static void 1538 tulip_21140_evalboard_media_probe( 1539 tulip_softc_t * const sc) 1540 { 1541 tulip_media_info_t *mip = sc->tulip_mediainfo; 1542 1543 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1544 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1545 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1546 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1547 TULIP_CSR_WRITE(sc, csr_command, 1548 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1549 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1550 TULIP_CSR_WRITE(sc, csr_command, 1551 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1552 DELAY(1000000); 1553 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1554 sc->tulip_media = TULIP_MEDIA_10BASET; 1555 } else { 1556 sc->tulip_media = TULIP_MEDIA_100BASETX; 1557 } 1558 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1559 TULIP_GP_EB_INIT, 1560 TULIP_CMD_TXTHRSHLDCTL); 1561 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1562 TULIP_GP_EB_INIT, 1563 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1564 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1565 TULIP_GP_EB_INIT, 1566 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1567 |TULIP_CMD_SCRAMBLER); 1568 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1569 TULIP_GP_EB_INIT, 1570 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1571 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1572 } 1573 1574 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1575 TULIP_21140_DEC_EB, 1576 tulip_21140_evalboard_media_probe, 1577 tulip_media_select, 1578 tulip_null_media_poll, 1579 tulip_2114x_media_preset, 1580 }; 1581 1582 static void 1583 tulip_21140_accton_media_probe( 1584 tulip_softc_t * const sc) 1585 { 1586 tulip_media_info_t *mip = sc->tulip_mediainfo; 1587 unsigned gpdata; 1588 1589 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1590 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1591 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1592 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1593 TULIP_CSR_WRITE(sc, csr_command, 1594 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1595 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1596 TULIP_CSR_WRITE(sc, csr_command, 1597 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1598 DELAY(1000000); 1599 gpdata = TULIP_CSR_READ(sc, csr_gp); 1600 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1601 sc->tulip_media = TULIP_MEDIA_10BASET; 1602 } else { 1603 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1604 sc->tulip_media = TULIP_MEDIA_BNC; 1605 } else { 1606 sc->tulip_media = TULIP_MEDIA_100BASETX; 1607 } 1608 } 1609 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1610 TULIP_GP_EN1207_BNC_INIT, 1611 TULIP_CMD_TXTHRSHLDCTL); 1612 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1613 TULIP_GP_EN1207_UTP_INIT, 1614 TULIP_CMD_TXTHRSHLDCTL); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1616 TULIP_GP_EN1207_UTP_INIT, 1617 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1618 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1619 TULIP_GP_EN1207_100_INIT, 1620 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1621 |TULIP_CMD_SCRAMBLER); 1622 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1623 TULIP_GP_EN1207_100_INIT, 1624 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1625 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1626 } 1627 1628 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1629 TULIP_21140_EN1207, 1630 tulip_21140_accton_media_probe, 1631 tulip_media_select, 1632 tulip_null_media_poll, 1633 tulip_2114x_media_preset, 1634 }; 1635 1636 static void 1637 tulip_21140_smc9332_media_probe( 1638 tulip_softc_t * const sc) 1639 { 1640 tulip_media_info_t *mip = sc->tulip_mediainfo; 1641 int idx, cnt = 0; 1642 1643 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1644 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1645 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1646 33MHz that comes to two microseconds but wait a 1647 bit longer anyways) */ 1648 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1649 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1650 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1651 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1652 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1653 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1654 DELAY(200000); 1655 for (idx = 1000; idx > 0; idx--) { 1656 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1657 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1658 if (++cnt > 100) 1659 break; 1660 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1661 break; 1662 } else { 1663 cnt = 0; 1664 } 1665 DELAY(1000); 1666 } 1667 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1668 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1669 TULIP_GP_SMC_9332_INIT, 1670 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1671 |TULIP_CMD_SCRAMBLER); 1672 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1673 TULIP_GP_SMC_9332_INIT, 1674 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1675 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1676 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1677 TULIP_GP_SMC_9332_INIT, 1678 TULIP_CMD_TXTHRSHLDCTL); 1679 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1680 TULIP_GP_SMC_9332_INIT, 1681 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1682 } 1683 1684 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1685 TULIP_21140_SMC_9332, 1686 tulip_21140_smc9332_media_probe, 1687 tulip_media_select, 1688 tulip_null_media_poll, 1689 tulip_2114x_media_preset, 1690 }; 1691 1692 static void 1693 tulip_21140_cogent_em100_media_probe( 1694 tulip_softc_t * const sc) 1695 { 1696 tulip_media_info_t *mip = sc->tulip_mediainfo; 1697 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1698 1699 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1700 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1701 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1702 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1703 1704 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1705 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1706 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1707 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1708 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1709 1710 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1711 TULIP_GP_EM100_INIT, 1712 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1714 TULIP_GP_EM100_INIT, 1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1716 |TULIP_CMD_FULLDUPLEX); 1717 } else { 1718 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1719 sc->tulip_media = TULIP_MEDIA_100BASETX; 1720 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1721 TULIP_GP_EM100_INIT, 1722 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1723 |TULIP_CMD_SCRAMBLER); 1724 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1725 TULIP_GP_EM100_INIT, 1726 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1727 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1728 } 1729 } 1730 1731 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1732 TULIP_21140_COGENT_EM100, 1733 tulip_21140_cogent_em100_media_probe, 1734 tulip_media_select, 1735 tulip_null_media_poll, 1736 tulip_2114x_media_preset 1737 }; 1738 1739 static void 1740 tulip_21140_znyx_zx34x_media_probe( 1741 tulip_softc_t * const sc) 1742 { 1743 tulip_media_info_t *mip = sc->tulip_mediainfo; 1744 int cnt10 = 0, cnt100 = 0, idx; 1745 1746 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1747 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1748 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1749 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1750 TULIP_CSR_WRITE(sc, csr_command, 1751 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1752 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1753 TULIP_CSR_WRITE(sc, csr_command, 1754 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1755 1756 DELAY(200000); 1757 for (idx = 1000; idx > 0; idx--) { 1758 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1759 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)) { 1760 if (++cnt100 > 100) 1761 break; 1762 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1763 if (++cnt10 > 100) 1764 break; 1765 } else { 1766 cnt10 = 0; 1767 cnt100 = 0; 1768 } 1769 DELAY(1000); 1770 } 1771 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1772 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1773 TULIP_GP_ZX34X_INIT, 1774 TULIP_CMD_TXTHRSHLDCTL); 1775 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1776 TULIP_GP_ZX34X_INIT, 1777 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1778 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1779 TULIP_GP_ZX34X_INIT, 1780 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1781 |TULIP_CMD_SCRAMBLER); 1782 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1783 TULIP_GP_ZX34X_INIT, 1784 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1785 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1786 } 1787 1788 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1789 TULIP_21140_ZNYX_ZX34X, 1790 tulip_21140_znyx_zx34x_media_probe, 1791 tulip_media_select, 1792 tulip_null_media_poll, 1793 tulip_2114x_media_preset, 1794 }; 1795 1796 static void 1797 tulip_2114x_media_probe( 1798 tulip_softc_t * const sc) 1799 { 1800 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1801 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1802 } 1803 1804 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1805 TULIP_21140_ISV, 1806 tulip_2114x_media_probe, 1807 tulip_media_select, 1808 tulip_media_poll, 1809 tulip_2114x_media_preset, 1810 }; 1811 1812 /* 1813 * ******** END of chip-specific handlers. *********** 1814 */ 1815 1816 /* 1817 * Code the read the SROM and MII bit streams (I2C) 1818 */ 1819 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1820 1821 static void 1822 tulip_srom_idle( 1823 tulip_softc_t * const sc) 1824 { 1825 unsigned bit, csr; 1826 1827 csr = SROMSEL ; EMIT; 1828 csr = SROMSEL | SROMRD; EMIT; 1829 csr ^= SROMCS; EMIT; 1830 csr ^= SROMCLKON; EMIT; 1831 1832 /* 1833 * Write 25 cycles of 0 which will force the SROM to be idle. 1834 */ 1835 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1836 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1837 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1838 } 1839 csr ^= SROMCLKOFF; EMIT; 1840 csr ^= SROMCS; EMIT; 1841 csr = 0; EMIT; 1842 } 1843 1844 1845 static void 1846 tulip_srom_read( 1847 tulip_softc_t * const sc) 1848 { 1849 unsigned idx; 1850 const unsigned bitwidth = SROM_BITWIDTH; 1851 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1852 const unsigned msb = 1 << (bitwidth + 3 - 1); 1853 unsigned lastidx = (1 << bitwidth) - 1; 1854 1855 tulip_srom_idle(sc); 1856 1857 for (idx = 0; idx <= lastidx; idx++) { 1858 unsigned lastbit, data, bits, bit, csr; 1859 csr = SROMSEL ; EMIT; 1860 csr = SROMSEL | SROMRD; EMIT; 1861 csr ^= SROMCSON; EMIT; 1862 csr ^= SROMCLKON; EMIT; 1863 1864 lastbit = 0; 1865 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1866 const unsigned thisbit = bits & msb; 1867 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1868 if (thisbit != lastbit) { 1869 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1870 } else { 1871 EMIT; 1872 } 1873 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1874 lastbit = thisbit; 1875 } 1876 csr ^= SROMCLKOFF; EMIT; 1877 1878 for (data = 0, bits = 0; bits < 16; bits++) { 1879 data <<= 1; 1880 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1881 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1882 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1883 } 1884 sc->tulip_rombuf[idx*2] = data & 0xFF; 1885 sc->tulip_rombuf[idx*2+1] = data >> 8; 1886 csr = SROMSEL | SROMRD; EMIT; 1887 csr = 0; EMIT; 1888 } 1889 tulip_srom_idle(sc); 1890 } 1891 1892 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1893 1894 static void 1895 tulip_mii_writebits( 1896 tulip_softc_t * const sc, 1897 unsigned data, 1898 unsigned bits) 1899 { 1900 unsigned msb = 1 << (bits - 1); 1901 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1902 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1903 1904 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1905 1906 for (; bits > 0; bits--, data <<= 1) { 1907 const unsigned thisbit = data & msb; 1908 if (thisbit != lastbit) { 1909 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1910 } 1911 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1912 lastbit = thisbit; 1913 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1914 } 1915 } 1916 1917 static void 1918 tulip_mii_turnaround( 1919 tulip_softc_t * const sc, 1920 unsigned cmd) 1921 { 1922 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1923 1924 if (cmd == MII_WRCMD) { 1925 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1926 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1927 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1928 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1929 } else { 1930 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1931 } 1932 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1933 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1934 } 1935 1936 static unsigned 1937 tulip_mii_readbits( 1938 tulip_softc_t * const sc) 1939 { 1940 unsigned data; 1941 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1942 int idx; 1943 1944 for (idx = 0, data = 0; idx < 16; idx++) { 1945 data <<= 1; /* this is NOOP on the first pass through */ 1946 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1947 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1948 data |= 1; 1949 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1950 } 1951 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1952 1953 return data; 1954 } 1955 1956 static unsigned 1957 tulip_mii_readreg( 1958 tulip_softc_t * const sc, 1959 unsigned devaddr, 1960 unsigned regno) 1961 { 1962 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1963 unsigned data; 1964 1965 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1966 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1967 tulip_mii_writebits(sc, MII_RDCMD, 8); 1968 tulip_mii_writebits(sc, devaddr, 5); 1969 tulip_mii_writebits(sc, regno, 5); 1970 tulip_mii_turnaround(sc, MII_RDCMD); 1971 1972 data = tulip_mii_readbits(sc); 1973 #if defined(TULIP_DEBUG) 1974 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1975 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1976 #endif 1977 return data; 1978 } 1979 1980 static void 1981 tulip_mii_writereg( 1982 tulip_softc_t * const sc, 1983 unsigned devaddr, 1984 unsigned regno, 1985 unsigned data) 1986 { 1987 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1988 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1989 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1990 tulip_mii_writebits(sc, MII_WRCMD, 8); 1991 tulip_mii_writebits(sc, devaddr, 5); 1992 tulip_mii_writebits(sc, regno, 5); 1993 tulip_mii_turnaround(sc, MII_WRCMD); 1994 tulip_mii_writebits(sc, data, 16); 1995 #if defined(TULIP_DEBUG) 1996 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1997 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1998 #endif 1999 } 2000 2001 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2002 #define tulip_srom_crcok(databuf) ( \ 2003 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2004 ((databuf)[126] | ((databuf)[127] << 8))) 2005 2006 static void 2007 tulip_identify_dec_nic( 2008 tulip_softc_t * const sc) 2009 { 2010 strcpy(sc->tulip_boardid, "DEC "); 2011 #define D0 4 2012 if (sc->tulip_chipid <= TULIP_21040) 2013 return; 2014 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2015 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2016 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2017 sc->tulip_boardid[D0+8] = ' '; 2018 } 2019 #undef D0 2020 } 2021 2022 static void 2023 tulip_identify_znyx_nic( 2024 tulip_softc_t * const sc) 2025 { 2026 unsigned id = 0; 2027 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2028 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2029 unsigned znyx_ptr; 2030 sc->tulip_boardid[8] = '4'; 2031 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2032 if (znyx_ptr < 26 || znyx_ptr > 116) { 2033 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2034 return; 2035 } 2036 /* ZX344 = 0010 .. 0013FF 2037 */ 2038 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2039 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2040 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2041 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2042 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2043 sc->tulip_boardid[9] = '2'; 2044 if (id == TULIP_ZNYX_ID_ZX342B) { 2045 sc->tulip_boardid[10] = 'B'; 2046 sc->tulip_boardid[11] = ' '; 2047 } 2048 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2049 } else if (id == TULIP_ZNYX_ID_ZX344) { 2050 sc->tulip_boardid[10] = '4'; 2051 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2052 } else if (id == TULIP_ZNYX_ID_ZX345) { 2053 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2054 } else if (id == TULIP_ZNYX_ID_ZX346) { 2055 sc->tulip_boardid[9] = '6'; 2056 } else if (id == TULIP_ZNYX_ID_ZX351) { 2057 sc->tulip_boardid[8] = '5'; 2058 sc->tulip_boardid[9] = '1'; 2059 } 2060 } 2061 if (id == 0) { 2062 /* 2063 * Assume it's a ZX342... 2064 */ 2065 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2066 } 2067 return; 2068 } 2069 sc->tulip_boardid[8] = '1'; 2070 if (sc->tulip_chipid == TULIP_21041) { 2071 sc->tulip_boardid[10] = '1'; 2072 return; 2073 } 2074 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2075 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2076 if (id == TULIP_ZNYX_ID_ZX312T) { 2077 sc->tulip_boardid[9] = '2'; 2078 sc->tulip_boardid[10] = 'T'; 2079 sc->tulip_boardid[11] = ' '; 2080 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2081 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2082 sc->tulip_boardid[9] = '4'; 2083 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2084 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2085 } else if (id == TULIP_ZNYX_ID_ZX314) { 2086 sc->tulip_boardid[9] = '4'; 2087 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2088 sc->tulip_features |= TULIP_HAVE_BASEROM; 2089 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2090 sc->tulip_boardid[9] = '5'; 2091 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2092 } else if (id == TULIP_ZNYX_ID_ZX315) { 2093 sc->tulip_boardid[9] = '5'; 2094 sc->tulip_features |= TULIP_HAVE_BASEROM; 2095 } else { 2096 id = 0; 2097 } 2098 } 2099 if (id == 0) { 2100 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2101 sc->tulip_boardid[9] = '4'; 2102 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2103 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2104 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2105 sc->tulip_boardid[9] = '5'; 2106 sc->tulip_boardsw = &tulip_21040_boardsw; 2107 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2108 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2109 sc->tulip_boardid[9] = '2'; 2110 sc->tulip_boardsw = &tulip_21040_boardsw; 2111 } 2112 } 2113 } 2114 2115 static void 2116 tulip_identify_smc_nic( 2117 tulip_softc_t * const sc) 2118 { 2119 u_int32_t id1, id2, ei; 2120 int auibnc = 0, utp = 0; 2121 char *cp; 2122 2123 strcpy(sc->tulip_boardid, "SMC "); 2124 if (sc->tulip_chipid == TULIP_21041) 2125 return; 2126 if (sc->tulip_chipid != TULIP_21040) { 2127 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2128 strcpy(&sc->tulip_boardid[4], "9332DST "); 2129 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2130 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2131 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2132 } else { 2133 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2134 } 2135 return; 2136 } 2137 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2138 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2139 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2140 2141 strcpy(&sc->tulip_boardid[4], "8432"); 2142 cp = &sc->tulip_boardid[8]; 2143 if ((id1 & 1) == 0) 2144 *cp++ = 'B', auibnc = 1; 2145 if ((id1 & 0xFF) > 0x32) 2146 *cp++ = 'T', utp = 1; 2147 if ((id1 & 0x4000) == 0) 2148 *cp++ = 'A', auibnc = 1; 2149 if (id2 == 0x15) { 2150 sc->tulip_boardid[7] = '4'; 2151 *cp++ = '-'; 2152 *cp++ = 'C'; 2153 *cp++ = 'H'; 2154 *cp++ = (ei ? '2' : '1'); 2155 } 2156 *cp++ = ' '; 2157 *cp = '\0'; 2158 if (utp && !auibnc) 2159 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2160 else if (!utp && auibnc) 2161 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2162 } 2163 2164 static void 2165 tulip_identify_cogent_nic( 2166 tulip_softc_t * const sc) 2167 { 2168 strcpy(sc->tulip_boardid, "Cogent "); 2169 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2170 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2171 strcat(sc->tulip_boardid, "EM100TX "); 2172 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2173 #if defined(TULIP_COGENT_EM110TX_ID) 2174 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2175 strcat(sc->tulip_boardid, "EM110TX "); 2176 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2177 #endif 2178 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2179 strcat(sc->tulip_boardid, "EM100FX "); 2180 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2181 } 2182 /* 2183 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2184 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2185 */ 2186 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2187 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2188 /* 2189 * Cogent (Adaptec) is still mapping all INTs to INTA of 2190 * first 21140. Dumb! Dumb! 2191 */ 2192 strcat(sc->tulip_boardid, "EM440TX "); 2193 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2194 } 2195 } else if (sc->tulip_chipid == TULIP_21040) { 2196 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2197 } 2198 } 2199 2200 static void 2201 tulip_identify_accton_nic( 2202 tulip_softc_t * const sc) 2203 { 2204 strcpy(sc->tulip_boardid, "ACCTON "); 2205 switch (sc->tulip_chipid) { 2206 case TULIP_21140A: 2207 strcat(sc->tulip_boardid, "EN1207 "); 2208 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2209 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2210 break; 2211 case TULIP_21140: 2212 strcat(sc->tulip_boardid, "EN1207TX "); 2213 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2214 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2215 break; 2216 case TULIP_21040: 2217 strcat(sc->tulip_boardid, "EN1203 "); 2218 sc->tulip_boardsw = &tulip_21040_boardsw; 2219 break; 2220 case TULIP_21041: 2221 strcat(sc->tulip_boardid, "EN1203 "); 2222 sc->tulip_boardsw = &tulip_21041_boardsw; 2223 break; 2224 default: 2225 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2226 break; 2227 } 2228 } 2229 2230 static void 2231 tulip_identify_asante_nic( 2232 tulip_softc_t * const sc) 2233 { 2234 strcpy(sc->tulip_boardid, "Asante "); 2235 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2236 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2237 tulip_media_info_t *mi = sc->tulip_mediainfo; 2238 int idx; 2239 /* 2240 * The Asante Fast Ethernet doesn't always ship with a valid 2241 * new format SROM. So if isn't in the new format, we cheat 2242 * set it up as if we had. 2243 */ 2244 2245 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2246 sc->tulip_gpdata = 0; 2247 2248 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2249 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2250 DELAY(100); 2251 TULIP_CSR_WRITE(sc, csr_gp, 0); 2252 2253 mi->mi_type = TULIP_MEDIAINFO_MII; 2254 mi->mi_gpr_length = 0; 2255 mi->mi_gpr_offset = 0; 2256 mi->mi_reset_length = 0; 2257 mi->mi_reset_offset = 0;; 2258 2259 mi->mi_phyaddr = TULIP_MII_NOPHY; 2260 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2261 DELAY(10000); 2262 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2263 } 2264 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2265 printf("%s: can't find phy 0\n", sc->tulip_xname); 2266 return; 2267 } 2268 2269 sc->tulip_features |= TULIP_HAVE_MII; 2270 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2271 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2272 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2273 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2274 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2275 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2276 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2277 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2278 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2279 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2280 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2281 2282 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2283 } 2284 } 2285 2286 static void 2287 tulip_identify_compex_nic( 2288 tulip_softc_t * const sc) 2289 { 2290 strcpy(sc->tulip_boardid, "COMPEX "); 2291 if (sc->tulip_chipid == TULIP_21140A) { 2292 int root_unit; 2293 tulip_softc_t *root_sc = NULL; 2294 2295 strcat(sc->tulip_boardid, "400TX/PCI "); 2296 /* 2297 * All 4 chips on these boards share an interrupt. This code 2298 * copied from tulip_read_macaddr. 2299 */ 2300 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2301 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2302 root_sc = tulips[root_unit]; 2303 if (root_sc == NULL 2304 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2305 break; 2306 root_sc = NULL; 2307 } 2308 if (root_sc != NULL 2309 && root_sc->tulip_chipid == sc->tulip_chipid 2310 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2311 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2312 sc->tulip_slaves = root_sc->tulip_slaves; 2313 root_sc->tulip_slaves = sc; 2314 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2315 printf("\nCannot find master device for %s interrupts", 2316 sc->tulip_xname); 2317 } 2318 } else { 2319 strcat(sc->tulip_boardid, "unknown "); 2320 } 2321 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2322 return; 2323 } 2324 2325 static int 2326 tulip_srom_decode( 2327 tulip_softc_t * const sc) 2328 { 2329 unsigned idx1, idx2, idx3; 2330 2331 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2332 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2333 tulip_srom_media_t srom_media; 2334 tulip_media_info_t *mi = sc->tulip_mediainfo; 2335 const u_int8_t *dp; 2336 u_int32_t leaf_offset, blocks, data; 2337 2338 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2339 if (shp->sh_adapter_count == 1) 2340 break; 2341 if (saip->sai_device == sc->tulip_pci_devno) 2342 break; 2343 } 2344 /* 2345 * Didn't find the right media block for this card. 2346 */ 2347 if (idx1 == shp->sh_adapter_count) 2348 return 0; 2349 2350 /* 2351 * Save the hardware address. 2352 */ 2353 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2354 /* 2355 * If this is a multiple port card, add the adapter index to the last 2356 * byte of the hardware address. (if it isn't multiport, adding 0 2357 * won't hurt. 2358 */ 2359 sc->tulip_enaddr[5] += idx1; 2360 2361 leaf_offset = saip->sai_leaf_offset_lowbyte 2362 + saip->sai_leaf_offset_highbyte * 256; 2363 dp = sc->tulip_rombuf + leaf_offset; 2364 2365 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2366 2367 for (idx2 = 0;; idx2++) { 2368 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2369 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2370 break; 2371 } 2372 sc->tulip_connidx = idx2; 2373 2374 if (sc->tulip_chipid == TULIP_21041) { 2375 blocks = *dp++; 2376 for (idx2 = 0; idx2 < blocks; idx2++) { 2377 tulip_media_t media; 2378 data = *dp++; 2379 srom_media = (tulip_srom_media_t) (data & 0x3F); 2380 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2381 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2382 break; 2383 } 2384 media = tulip_srom_mediums[idx3].sm_type; 2385 if (media != TULIP_MEDIA_UNKNOWN) { 2386 if (data & TULIP_SROM_21041_EXTENDED) { 2387 mi->mi_type = TULIP_MEDIAINFO_SIA; 2388 sc->tulip_mediums[media] = mi; 2389 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2390 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2391 mi->mi_sia_general = dp[4] + dp[5] * 256; 2392 mi++; 2393 } else { 2394 switch (media) { 2395 case TULIP_MEDIA_BNC: { 2396 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2397 mi++; 2398 break; 2399 } 2400 case TULIP_MEDIA_AUI: { 2401 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2402 mi++; 2403 break; 2404 } 2405 case TULIP_MEDIA_10BASET: { 2406 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2407 mi++; 2408 break; 2409 } 2410 case TULIP_MEDIA_10BASET_FD: { 2411 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2412 mi++; 2413 break; 2414 } 2415 default: { 2416 break; 2417 } 2418 } 2419 } 2420 } 2421 if (data & TULIP_SROM_21041_EXTENDED) 2422 dp += 6; 2423 } 2424 #ifdef notdef 2425 if (blocks == 0) { 2426 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2427 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2428 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2429 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2430 } 2431 #endif 2432 } else { 2433 unsigned length, type; 2434 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2435 if (sc->tulip_features & TULIP_HAVE_GPR) 2436 sc->tulip_gpinit = *dp++; 2437 blocks = *dp++; 2438 for (idx2 = 0; idx2 < blocks; idx2++) { 2439 const u_int8_t *ep; 2440 if ((*dp & 0x80) == 0) { 2441 length = 4; 2442 type = 0; 2443 } else { 2444 length = (*dp++ & 0x7f) - 1; 2445 type = *dp++ & 0x3f; 2446 } 2447 ep = dp + length; 2448 switch (type & 0x3f) { 2449 case 0: { /* 21140[A] GPR block */ 2450 tulip_media_t media; 2451 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2452 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2453 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2454 break; 2455 } 2456 media = tulip_srom_mediums[idx3].sm_type; 2457 if (media == TULIP_MEDIA_UNKNOWN) 2458 break; 2459 mi->mi_type = TULIP_MEDIAINFO_GPR; 2460 sc->tulip_mediums[media] = mi; 2461 mi->mi_gpdata = dp[1]; 2462 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2463 sc->tulip_gpdata = mi->mi_gpdata; 2464 gp_media = media; 2465 } 2466 data = dp[2] + dp[3] * 256; 2467 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2468 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2469 mi->mi_actmask = 0; 2470 } else { 2471 #if 0 2472 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2473 #endif 2474 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2475 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2476 } 2477 mi++; 2478 break; 2479 } 2480 case 1: { /* 21140[A] MII block */ 2481 const unsigned phyno = *dp++; 2482 mi->mi_type = TULIP_MEDIAINFO_MII; 2483 mi->mi_gpr_length = *dp++; 2484 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2485 dp += mi->mi_gpr_length; 2486 mi->mi_reset_length = *dp++; 2487 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2488 dp += mi->mi_reset_length; 2489 2490 /* 2491 * Before we probe for a PHY, use the GPR information 2492 * to select it. If we don't, it may be inaccessible. 2493 */ 2494 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2495 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2496 DELAY(10); 2497 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2498 } 2499 sc->tulip_phyaddr = mi->mi_phyaddr; 2500 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2501 DELAY(10); 2502 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2503 } 2504 2505 /* 2506 * At least write something! 2507 */ 2508 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2509 TULIP_CSR_WRITE(sc, csr_gp, 0); 2510 2511 mi->mi_phyaddr = TULIP_MII_NOPHY; 2512 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2513 DELAY(10000); 2514 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2515 } 2516 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2517 #if defined(TULIP_DEBUG) 2518 printf("%s: can't find phy %d\n", 2519 sc->tulip_xname, phyno); 2520 #endif 2521 break; 2522 } 2523 sc->tulip_features |= TULIP_HAVE_MII; 2524 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2525 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2526 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2527 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2528 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2529 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2530 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2531 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2532 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2533 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2534 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2535 mi++; 2536 break; 2537 } 2538 case 2: { /* 2114[23] SIA block */ 2539 tulip_media_t media; 2540 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2541 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2542 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2543 break; 2544 } 2545 media = tulip_srom_mediums[idx3].sm_type; 2546 if (media == TULIP_MEDIA_UNKNOWN) 2547 break; 2548 mi->mi_type = TULIP_MEDIAINFO_SIA; 2549 sc->tulip_mediums[media] = mi; 2550 if (dp[0] & 0x40) { 2551 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2552 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2553 mi->mi_sia_general = dp[5] + dp[6] * 256; 2554 dp += 6; 2555 } else { 2556 switch (media) { 2557 case TULIP_MEDIA_BNC: { 2558 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2559 break; 2560 } 2561 case TULIP_MEDIA_AUI: { 2562 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2563 break; 2564 } 2565 case TULIP_MEDIA_10BASET: { 2566 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2567 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2568 break; 2569 } 2570 case TULIP_MEDIA_10BASET_FD: { 2571 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2572 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2573 break; 2574 } 2575 default: { 2576 goto bad_media; 2577 } 2578 } 2579 } 2580 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2581 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2582 mi++; 2583 bad_media: 2584 break; 2585 } 2586 case 3: { /* 2114[23] MII PHY block */ 2587 const unsigned phyno = *dp++; 2588 const u_int8_t *dp0; 2589 mi->mi_type = TULIP_MEDIAINFO_MII; 2590 mi->mi_gpr_length = *dp++; 2591 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2592 dp += 2 * mi->mi_gpr_length; 2593 mi->mi_reset_length = *dp++; 2594 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2595 dp += 2 * mi->mi_reset_length; 2596 2597 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2598 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2599 DELAY(10); 2600 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2601 } 2602 sc->tulip_phyaddr = mi->mi_phyaddr; 2603 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2604 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2605 DELAY(10); 2606 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2607 } 2608 2609 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2610 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2611 2612 mi->mi_phyaddr = TULIP_MII_NOPHY; 2613 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2614 DELAY(10000); 2615 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2616 } 2617 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2618 #if defined(TULIP_DEBUG) 2619 printf("%s: can't find phy %d\n", 2620 sc->tulip_xname, phyno); 2621 #endif 2622 break; 2623 } 2624 sc->tulip_features |= TULIP_HAVE_MII; 2625 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2626 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2627 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2628 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2629 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2630 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2631 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2632 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2633 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2634 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2635 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2636 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2637 mi++; 2638 break; 2639 } 2640 case 4: { /* 21143 SYM block */ 2641 tulip_media_t media; 2642 srom_media = (tulip_srom_media_t) dp[0]; 2643 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2644 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2645 break; 2646 } 2647 media = tulip_srom_mediums[idx3].sm_type; 2648 if (media == TULIP_MEDIA_UNKNOWN) 2649 break; 2650 mi->mi_type = TULIP_MEDIAINFO_SYM; 2651 sc->tulip_mediums[media] = mi; 2652 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2653 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2654 data = dp[5] + dp[6] * 256; 2655 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2656 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2657 mi->mi_actmask = 0; 2658 } else { 2659 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2660 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2661 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2662 } 2663 if (TULIP_IS_MEDIA_TP(media)) 2664 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2665 mi++; 2666 break; 2667 } 2668 #if 0 2669 case 5: { /* 21143 Reset block */ 2670 mi->mi_type = TULIP_MEDIAINFO_RESET; 2671 mi->mi_reset_length = *dp++; 2672 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2673 dp += 2 * mi->mi_reset_length; 2674 mi++; 2675 break; 2676 } 2677 #endif 2678 default: { 2679 } 2680 } 2681 dp = ep; 2682 } 2683 } 2684 return mi - sc->tulip_mediainfo; 2685 } 2686 2687 static const struct { 2688 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2689 unsigned char vendor_oui[3]; 2690 } tulip_vendors[] = { 2691 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2692 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2693 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2694 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2695 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2696 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2697 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2698 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2699 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2700 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2701 { NULL } 2702 }; 2703 2704 /* 2705 * This deals with the vagaries of the address roms and the 2706 * brain-deadness that various vendors commit in using them. 2707 */ 2708 static int 2709 tulip_read_macaddr( 2710 tulip_softc_t * const sc) 2711 { 2712 unsigned cksum, rom_cksum, idx; 2713 u_int32_t csr; 2714 unsigned char tmpbuf[8]; 2715 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2716 2717 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2718 2719 if (sc->tulip_chipid == TULIP_21040) { 2720 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2721 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2722 int cnt = 0; 2723 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2724 cnt++; 2725 sc->tulip_rombuf[idx] = csr & 0xFF; 2726 } 2727 sc->tulip_boardsw = &tulip_21040_boardsw; 2728 } else { 2729 if (sc->tulip_chipid == TULIP_21041) { 2730 /* 2731 * Thankfully all 21041's act the same. 2732 */ 2733 sc->tulip_boardsw = &tulip_21041_boardsw; 2734 } else { 2735 /* 2736 * Assume all 21140 board are compatible with the 2737 * DEC 10/100 evaluation board. Not really valid but 2738 * it's the best we can do until every one switches to 2739 * the new SROM format. 2740 */ 2741 2742 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2743 } 2744 tulip_srom_read(sc); 2745 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2746 /* 2747 * SROM CRC is valid therefore it must be in the 2748 * new format. 2749 */ 2750 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2751 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2752 /* 2753 * No checksum is present. See if the SROM id checks out; 2754 * the first 18 bytes should be 0 followed by a 1 followed 2755 * by the number of adapters (which we don't deal with yet). 2756 */ 2757 for (idx = 0; idx < 18; idx++) { 2758 if (sc->tulip_rombuf[idx] != 0) 2759 break; 2760 } 2761 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2762 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2763 } else if (sc->tulip_chipid >= TULIP_21142) { 2764 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2765 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2766 } 2767 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2768 if (sc->tulip_chipid != TULIP_21041) 2769 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2770 2771 /* 2772 * If the SROM specifies more than one adapter, tag this as a 2773 * BASE rom. 2774 */ 2775 if (sc->tulip_rombuf[19] > 1) 2776 sc->tulip_features |= TULIP_HAVE_BASEROM; 2777 if (sc->tulip_boardsw == NULL) 2778 return -6; 2779 goto check_oui; 2780 } 2781 } 2782 2783 2784 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2785 /* 2786 * Some folks don't use the standard ethernet rom format 2787 * but instead just put the address in the first 6 bytes 2788 * of the rom and let the rest be all 0xffs. (Can we say 2789 * ZNYX?) (well sometimes they put in a checksum so we'll 2790 * start at 8). 2791 */ 2792 for (idx = 8; idx < 32; idx++) { 2793 if (sc->tulip_rombuf[idx] != 0xFF) 2794 return -4; 2795 } 2796 /* 2797 * Make sure the address is not multicast or locally assigned 2798 * that the OUI is not 00-00-00. 2799 */ 2800 if ((sc->tulip_rombuf[0] & 3) != 0) 2801 return -4; 2802 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2803 && sc->tulip_rombuf[2] == 0) 2804 return -4; 2805 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2806 sc->tulip_features |= TULIP_HAVE_OKROM; 2807 goto check_oui; 2808 } else { 2809 /* 2810 * A number of makers of multiport boards (ZNYX and Cogent) 2811 * only put on one address ROM on their 21040 boards. So 2812 * if the ROM is all zeros (or all 0xFFs), look at the 2813 * previous configured boards (as long as they are on the same 2814 * PCI bus and the bus number is non-zero) until we find the 2815 * master board with address ROM. We then use its address ROM 2816 * as the base for this board. (we add our relative board 2817 * to the last byte of its address). 2818 */ 2819 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2820 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2821 break; 2822 } 2823 if (idx == sizeof(sc->tulip_rombuf)) { 2824 int root_unit; 2825 tulip_softc_t *root_sc = NULL; 2826 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2827 root_sc = tulips[root_unit]; 2828 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2829 break; 2830 root_sc = NULL; 2831 } 2832 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2833 && root_sc->tulip_chipid == sc->tulip_chipid 2834 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2835 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2836 sc->tulip_boardsw = root_sc->tulip_boardsw; 2837 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2838 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2839 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2840 sizeof(sc->tulip_rombuf)); 2841 if (!tulip_srom_decode(sc)) 2842 return -5; 2843 } else { 2844 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2845 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2846 } 2847 /* 2848 * Now for a truly disgusting kludge: all 4 21040s on 2849 * the ZX314 share the same INTA line so the mapping 2850 * setup by the BIOS on the PCI bridge is worthless. 2851 * Rather than reprogramming the value in the config 2852 * register, we will handle this internally. 2853 */ 2854 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2855 sc->tulip_slaves = root_sc->tulip_slaves; 2856 root_sc->tulip_slaves = sc; 2857 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2858 } 2859 return 0; 2860 } 2861 } 2862 } 2863 2864 /* 2865 * This is the standard DEC address ROM test. 2866 */ 2867 2868 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2869 return -3; 2870 2871 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2872 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2873 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2874 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2875 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2876 return -2; 2877 2878 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2879 2880 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2881 cksum *= 2; 2882 if (cksum > 65535) cksum -= 65535; 2883 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2884 if (cksum > 65535) cksum -= 65535; 2885 cksum *= 2; 2886 if (cksum > 65535) cksum -= 65535; 2887 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2888 if (cksum >= 65535) cksum -= 65535; 2889 2890 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2891 2892 if (cksum != rom_cksum) 2893 return -1; 2894 2895 check_oui: 2896 /* 2897 * Check for various boards based on OUI. Did I say braindead? 2898 */ 2899 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2900 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2901 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2902 break; 2903 } 2904 } 2905 2906 sc->tulip_features |= TULIP_HAVE_OKROM; 2907 return 0; 2908 } 2909 2910 static void 2911 tulip_ifmedia_add( 2912 tulip_softc_t * const sc) 2913 { 2914 tulip_media_t media; 2915 int medias = 0; 2916 2917 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2918 if (sc->tulip_mediums[media] != NULL) { 2919 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2920 0, 0); 2921 medias++; 2922 } 2923 } 2924 if (medias == 0) { 2925 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2926 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2927 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2928 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2929 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2930 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2931 } else { 2932 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2933 sc->tulip_flags |= TULIP_PRINTMEDIA; 2934 tulip_linkup(sc, sc->tulip_media); 2935 } 2936 } 2937 2938 static int 2939 tulip_ifmedia_change( 2940 struct ifnet * const ifp) 2941 { 2942 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2943 2944 sc->tulip_flags |= TULIP_NEEDRESET; 2945 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2946 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2947 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2948 tulip_media_t media; 2949 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2950 if (sc->tulip_mediums[media] != NULL 2951 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2952 sc->tulip_flags |= TULIP_PRINTMEDIA; 2953 sc->tulip_flags &= ~TULIP_DIDNWAY; 2954 tulip_linkup(sc, media); 2955 return 0; 2956 } 2957 } 2958 } 2959 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2960 tulip_reset(sc); 2961 tulip_init(sc); 2962 return 0; 2963 } 2964 2965 /* 2966 * Media status callback 2967 */ 2968 static void 2969 tulip_ifmedia_status( 2970 struct ifnet * const ifp, 2971 struct ifmediareq *req) 2972 { 2973 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2974 2975 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2976 return; 2977 2978 req->ifm_status = IFM_AVALID; 2979 if (sc->tulip_flags & TULIP_LINKUP) 2980 req->ifm_status |= IFM_ACTIVE; 2981 2982 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2983 } 2984 2985 static void 2986 tulip_addr_filter( 2987 tulip_softc_t * const sc) 2988 { 2989 struct ifmultiaddr *ifma; 2990 u_char *addrp; 2991 int multicnt; 2992 2993 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2994 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2995 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2996 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2997 #if defined(IFF_ALLMULTI) 2998 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 2999 sc->tulip_flags |= TULIP_ALLMULTI ; 3000 #endif 3001 3002 multicnt = 0; 3003 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3004 3005 if (ifma->ifma_addr->sa_family == AF_LINK) 3006 multicnt++; 3007 } 3008 3009 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3010 if (multicnt > 14) { 3011 u_int32_t *sp = sc->tulip_setupdata; 3012 unsigned hash; 3013 /* 3014 * Some early passes of the 21140 have broken implementations of 3015 * hash-perfect mode. When we get too many multicasts for perfect 3016 * filtering with these chips, we need to switch into hash-only 3017 * mode (this is better than all-multicast on network with lots 3018 * of multicast traffic). 3019 */ 3020 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3021 sc->tulip_flags |= TULIP_WANTHASHONLY; 3022 else 3023 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3024 /* 3025 * If we have more than 14 multicasts, we have 3026 * go into hash perfect mode (512 bit multicast 3027 * hash and one perfect hardware). 3028 */ 3029 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3030 3031 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3032 3033 if (ifma->ifma_addr->sa_family != AF_LINK) 3034 continue; 3035 3036 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3037 #if BYTE_ORDER == BIG_ENDIAN 3038 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3039 #else 3040 sp[hash >> 4] |= 1 << (hash & 0xF); 3041 #endif 3042 } 3043 /* 3044 * No reason to use a hash if we are going to be 3045 * receiving every multicast. 3046 */ 3047 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3048 hash = tulip_mchash(sc->tulip_if.if_broadcastaddr); 3049 #if BYTE_ORDER == BIG_ENDIAN 3050 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3051 #else 3052 sp[hash >> 4] |= 1 << (hash & 0xF); 3053 #endif 3054 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3055 hash = tulip_mchash(sc->tulip_enaddr); 3056 #if BYTE_ORDER == BIG_ENDIAN 3057 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3058 #else 3059 sp[hash >> 4] |= 1 << (hash & 0xF); 3060 #endif 3061 } else { 3062 #if BYTE_ORDER == BIG_ENDIAN 3063 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3064 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3065 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3066 #else 3067 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3068 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3069 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3070 #endif 3071 } 3072 } 3073 } 3074 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3075 u_int32_t *sp = sc->tulip_setupdata; 3076 int idx = 0; 3077 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3078 /* 3079 * Else can get perfect filtering for 16 addresses. 3080 */ 3081 TAILQ_FOREACH(ifma, &sc->tulip_if.if_multiaddrs, ifma_link) { 3082 if (ifma->ifma_addr->sa_family != AF_LINK) 3083 continue; 3084 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3085 #if BYTE_ORDER == BIG_ENDIAN 3086 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3087 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3088 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3089 #else 3090 *sp++ = ((u_int16_t *) addrp)[0]; 3091 *sp++ = ((u_int16_t *) addrp)[1]; 3092 *sp++ = ((u_int16_t *) addrp)[2]; 3093 #endif 3094 idx++; 3095 } 3096 /* 3097 * Add the broadcast address. 3098 */ 3099 idx++; 3100 #if BYTE_ORDER == BIG_ENDIAN 3101 *sp++ = 0xFFFF << 16; 3102 *sp++ = 0xFFFF << 16; 3103 *sp++ = 0xFFFF << 16; 3104 #else 3105 *sp++ = 0xFFFF; 3106 *sp++ = 0xFFFF; 3107 *sp++ = 0xFFFF; 3108 #endif 3109 } 3110 /* 3111 * Pad the rest with our hardware address 3112 */ 3113 for (; idx < 16; idx++) { 3114 #if BYTE_ORDER == BIG_ENDIAN 3115 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3116 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3117 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3118 #else 3119 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3120 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3121 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3122 #endif 3123 } 3124 } 3125 #if defined(IFF_ALLMULTI) 3126 if (sc->tulip_flags & TULIP_ALLMULTI) 3127 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3128 #endif 3129 } 3130 3131 static void 3132 tulip_reset( 3133 tulip_softc_t * const sc) 3134 { 3135 tulip_ringinfo_t *ri; 3136 tulip_desc_t *di; 3137 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3138 3139 /* 3140 * Brilliant. Simply brilliant. When switching modes/speeds 3141 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3142 * bits in CSR6 and then do a software reset to get the 21140 3143 * to properly reset its internal pathways to the right places. 3144 * Grrrr. 3145 */ 3146 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3147 && sc->tulip_boardsw->bd_media_preset != NULL) 3148 (*sc->tulip_boardsw->bd_media_preset)(sc); 3149 3150 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3151 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3152 33MHz that comes to two microseconds but wait a 3153 bit longer anyways) */ 3154 3155 if (!inreset) { 3156 sc->tulip_flags |= TULIP_INRESET; 3157 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3158 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3159 sc->tulip_if.if_start = tulip_ifstart; 3160 } 3161 3162 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3163 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3164 #else 3165 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3166 #endif 3167 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3168 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3169 #else 3170 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3171 #endif 3172 TULIP_CSR_WRITE(sc, csr_busmode, 3173 (1 << (3 /*pci_max_burst_len*/ + 8)) 3174 |TULIP_BUSMODE_CACHE_ALIGN8 3175 |TULIP_BUSMODE_READMULTIPLE 3176 |(BYTE_ORDER != LITTLE_ENDIAN ? 3177 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3178 3179 sc->tulip_txtimer = 0; 3180 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3181 /* 3182 * Free all the mbufs that were on the transmit ring. 3183 */ 3184 for (;;) { 3185 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3186 bus_dmamap_t map; 3187 #endif 3188 struct mbuf *m; 3189 _IF_DEQUEUE(&sc->tulip_txq, m); 3190 if (m == NULL) 3191 break; 3192 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3193 map = M_GETCTX(m, bus_dmamap_t); 3194 bus_dmamap_unload(sc->tulip_dmatag, map); 3195 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3196 #endif 3197 m_freem(m); 3198 } 3199 3200 ri = &sc->tulip_txinfo; 3201 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3202 ri->ri_free = ri->ri_max; 3203 for (di = ri->ri_first; di < ri->ri_last; di++) 3204 di->d_status = 0; 3205 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3206 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3207 0, sc->tulip_txdescmap->dm_mapsize, 3208 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3209 #endif 3210 3211 /* 3212 * We need to collect all the mbufs were on the 3213 * receive ring before we reinit it either to put 3214 * them back on or to know if we have to allocate 3215 * more. 3216 */ 3217 ri = &sc->tulip_rxinfo; 3218 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3219 ri->ri_free = ri->ri_max; 3220 for (di = ri->ri_first; di < ri->ri_last; di++) { 3221 di->d_status = 0; 3222 di->d_length1 = 0; di->d_addr1 = 0; 3223 di->d_length2 = 0; di->d_addr2 = 0; 3224 } 3225 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3226 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3227 0, sc->tulip_rxdescmap->dm_mapsize, 3228 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3229 #endif 3230 for (;;) { 3231 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3232 bus_dmamap_t map; 3233 #endif 3234 struct mbuf *m; 3235 _IF_DEQUEUE(&sc->tulip_rxq, m); 3236 if (m == NULL) 3237 break; 3238 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3239 map = M_GETCTX(m, bus_dmamap_t); 3240 bus_dmamap_unload(sc->tulip_dmatag, map); 3241 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3242 #endif 3243 m_freem(m); 3244 } 3245 3246 /* 3247 * If tulip_reset is being called recurisvely, exit quickly knowing 3248 * that when the outer tulip_reset returns all the right stuff will 3249 * have happened. 3250 */ 3251 if (inreset) 3252 return; 3253 3254 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3255 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3256 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3257 |TULIP_STS_RXSTOPPED; 3258 3259 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3260 (*sc->tulip_boardsw->bd_media_select)(sc); 3261 #if defined(TULIP_DEBUG) 3262 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3263 printf("%s: tulip_reset: additional reset needed?!?\n", 3264 sc->tulip_xname); 3265 #endif 3266 tulip_media_print(sc); 3267 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3268 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3269 3270 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3271 |TULIP_RXACT); 3272 tulip_addr_filter(sc); 3273 } 3274 3275 3276 static void 3277 tulip_ifinit( 3278 void * sc) 3279 { 3280 tulip_init((tulip_softc_t *)sc); 3281 } 3282 3283 static void 3284 tulip_init( 3285 tulip_softc_t * const sc) 3286 { 3287 if (sc->tulip_if.if_flags & IFF_UP) { 3288 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3289 /* initialize the media */ 3290 tulip_reset(sc); 3291 } 3292 sc->tulip_if.if_flags |= IFF_RUNNING; 3293 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3294 sc->tulip_flags |= TULIP_PROMISC; 3295 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3296 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3297 } else { 3298 sc->tulip_flags &= ~TULIP_PROMISC; 3299 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3300 if (sc->tulip_flags & TULIP_ALLMULTI) { 3301 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3302 } else { 3303 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3304 } 3305 } 3306 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3307 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3308 tulip_rx_intr(sc); 3309 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3310 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3311 } else { 3312 sc->tulip_if.if_flags |= IFF_OACTIVE; 3313 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3314 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3315 } 3316 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3317 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3318 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3319 tulip_txput_setup(sc); 3320 } else { 3321 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3322 tulip_reset(sc); 3323 } 3324 } 3325 3326 static void 3327 tulip_rx_intr( 3328 tulip_softc_t * const sc) 3329 { 3330 TULIP_PERFSTART(rxintr) 3331 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3332 struct ifnet * const ifp = &sc->tulip_if; 3333 int fillok = 1; 3334 #if defined(TULIP_DEBUG) 3335 int cnt = 0; 3336 #endif 3337 3338 for (;;) { 3339 TULIP_PERFSTART(rxget) 3340 tulip_desc_t *eop = ri->ri_nextin; 3341 int total_len = 0, last_offset = 0; 3342 struct mbuf *ms = NULL, *me = NULL; 3343 int accept = 0; 3344 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3345 bus_dmamap_t map; 3346 int error; 3347 #endif 3348 3349 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3350 goto queue_mbuf; 3351 3352 #if defined(TULIP_DEBUG) 3353 if (cnt == ri->ri_max) 3354 break; 3355 #endif 3356 /* 3357 * If the TULIP has no descriptors, there can't be any receive 3358 * descriptors to process. 3359 */ 3360 if (eop == ri->ri_nextout) 3361 break; 3362 3363 /* 3364 * 90% of the packets will fit in one descriptor. So we optimize 3365 * for that case. 3366 */ 3367 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3368 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3369 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3370 me = ms; 3371 } else { 3372 /* 3373 * If still owned by the TULIP, don't touch it. 3374 */ 3375 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3376 break; 3377 3378 /* 3379 * It is possible (though improbable unless the BIG_PACKET support 3380 * is enabled or MCLBYTES < 1518) for a received packet to cross 3381 * more than one receive descriptor. 3382 */ 3383 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3384 if (++eop == ri->ri_last) 3385 eop = ri->ri_first; 3386 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3387 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3388 #if defined(TULIP_DEBUG) 3389 sc->tulip_dbg.dbg_rxintrs++; 3390 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3391 #endif 3392 TULIP_PERFEND(rxget); 3393 TULIP_PERFEND(rxintr); 3394 return; 3395 } 3396 total_len++; 3397 } 3398 3399 /* 3400 * Dequeue the first buffer for the start of the packet. Hopefully 3401 * this will be the only one we need to dequeue. However, if the 3402 * packet consumed multiple descriptors, then we need to dequeue 3403 * those buffers and chain to the starting mbuf. All buffers but 3404 * the last buffer have the same length so we can set that now. 3405 * (we add to last_offset instead of multiplying since we normally 3406 * won't go into the loop and thereby saving ourselves from 3407 * doing a multiplication by 0 in the normal case). 3408 */ 3409 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3410 for (me = ms; total_len > 0; total_len--) { 3411 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3412 map = M_GETCTX(me, bus_dmamap_t); 3413 TULIP_RXMAP_POSTSYNC(sc, map); 3414 bus_dmamap_unload(sc->tulip_dmatag, map); 3415 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3416 #if defined(DIAGNOSTIC) 3417 M_SETCTX(me, NULL); 3418 #endif 3419 #endif /* TULIP_BUS_DMA */ 3420 me->m_len = TULIP_RX_BUFLEN; 3421 last_offset += TULIP_RX_BUFLEN; 3422 _IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3423 me = me->m_next; 3424 } 3425 } 3426 3427 /* 3428 * Now get the size of received packet (minus the CRC). 3429 */ 3430 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3431 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3432 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3433 #ifdef BIG_PACKET 3434 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3435 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3436 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3437 TULIP_DSTS_RxOVERFLOW)) == 0) 3438 #endif 3439 )) { 3440 me->m_len = total_len - last_offset; 3441 3442 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3443 map = M_GETCTX(me, bus_dmamap_t); 3444 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3445 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3446 bus_dmamap_unload(sc->tulip_dmatag, map); 3447 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3448 #if defined(DIAGNOSTIC) 3449 M_SETCTX(me, NULL); 3450 #endif 3451 #endif /* TULIP_BUS_DMA */ 3452 3453 #ifndef __FreeBSD__ 3454 if (sc->tulip_if.if_bpf != NULL) { 3455 if (me == ms) 3456 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3457 else 3458 bpf_mtap(&sc->tulip_if, ms); 3459 } 3460 #endif 3461 sc->tulip_flags |= TULIP_RXACT; 3462 accept = 1; 3463 } else { 3464 ifp->if_ierrors++; 3465 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3466 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3467 } else { 3468 #if defined(TULIP_VERBOSE) 3469 const char *error = NULL; 3470 #endif 3471 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3472 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3473 #if defined(TULIP_VERBOSE) 3474 error = "frame too long"; 3475 #endif 3476 } 3477 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3478 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3479 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3480 #if defined(TULIP_VERBOSE) 3481 error = "alignment error"; 3482 #endif 3483 } else { 3484 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3485 #if defined(TULIP_VERBOSE) 3486 error = "bad crc"; 3487 #endif 3488 } 3489 } 3490 #if defined(TULIP_VERBOSE) 3491 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3492 printf("%s: receive: %6D: %s\n", 3493 sc->tulip_xname, 3494 mtod(ms, u_char *) + 6, ":", 3495 error); 3496 sc->tulip_flags |= TULIP_NOMESSAGES; 3497 } 3498 #endif 3499 } 3500 3501 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3502 map = M_GETCTX(me, bus_dmamap_t); 3503 bus_dmamap_unload(sc->tulip_dmatag, map); 3504 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3505 #if defined(DIAGNOSTIC) 3506 M_SETCTX(me, NULL); 3507 #endif 3508 #endif /* TULIP_BUS_DMA */ 3509 } 3510 #if defined(TULIP_DEBUG) 3511 cnt++; 3512 #endif 3513 ifp->if_ipackets++; 3514 if (++eop == ri->ri_last) 3515 eop = ri->ri_first; 3516 ri->ri_nextin = eop; 3517 queue_mbuf: 3518 /* 3519 * Either we are priming the TULIP with mbufs (m == NULL) 3520 * or we are about to accept an mbuf for the upper layers 3521 * so we need to allocate an mbuf to replace it. If we 3522 * can't replace it, send up it anyways. This may cause 3523 * us to drop packets in the future but that's better than 3524 * being caught in livelock. 3525 * 3526 * Note that if this packet crossed multiple descriptors 3527 * we don't even try to reallocate all the mbufs here. 3528 * Instead we rely on the test of the beginning of 3529 * the loop to refill for the extra consumed mbufs. 3530 */ 3531 if (accept || ms == NULL) { 3532 struct mbuf *m0; 3533 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3534 if (m0 != NULL) { 3535 #if defined(TULIP_COPY_RXDATA) 3536 if (!accept || total_len >= (MHLEN - 2)) { 3537 #endif 3538 MCLGET(m0, M_DONTWAIT); 3539 if ((m0->m_flags & M_EXT) == 0) { 3540 m_freem(m0); 3541 m0 = NULL; 3542 } 3543 #if defined(TULIP_COPY_RXDATA) 3544 } 3545 #endif 3546 } 3547 if (accept 3548 #if defined(TULIP_COPY_RXDATA) 3549 && m0 != NULL 3550 #endif 3551 ) { 3552 #if !defined(TULIP_COPY_RXDATA) 3553 ms->m_pkthdr.len = total_len; 3554 ms->m_pkthdr.rcvif = ifp; 3555 (*ifp->if_input)(ifp, ms); 3556 #else 3557 #ifdef BIG_PACKET 3558 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3559 #endif 3560 m0->m_data += 2; /* align data after header */ 3561 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3562 m0->m_len = m0->m_pkthdr.len = total_len; 3563 m0->m_pkthdr.rcvif = ifp; 3564 (*ifp->if_input)(ifp, m0); 3565 m0 = ms; 3566 #endif /* ! TULIP_COPY_RXDATA */ 3567 } 3568 ms = m0; 3569 } 3570 if (ms == NULL) { 3571 /* 3572 * Couldn't allocate a new buffer. Don't bother 3573 * trying to replenish the receive queue. 3574 */ 3575 fillok = 0; 3576 sc->tulip_flags |= TULIP_RXBUFSLOW; 3577 #if defined(TULIP_DEBUG) 3578 sc->tulip_dbg.dbg_rxlowbufs++; 3579 #endif 3580 TULIP_PERFEND(rxget); 3581 continue; 3582 } 3583 /* 3584 * Now give the buffer(s) to the TULIP and save in our 3585 * receive queue. 3586 */ 3587 do { 3588 tulip_desc_t * const nextout = ri->ri_nextout; 3589 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3590 if (sc->tulip_rxmaps_free > 0) { 3591 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3592 } else { 3593 m_freem(ms); 3594 sc->tulip_flags |= TULIP_RXBUFSLOW; 3595 #if defined(TULIP_DEBUG) 3596 sc->tulip_dbg.dbg_rxlowbufs++; 3597 #endif 3598 break; 3599 } 3600 M_SETCTX(ms, map); 3601 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3602 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3603 if (error) { 3604 printf("%s: unable to load rx map, " 3605 "error = %d\n", sc->tulip_xname, error); 3606 panic("tulip_rx_intr"); /* XXX */ 3607 } 3608 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3609 nextout->d_length1 = map->dm_segs[0].ds_len; 3610 if (map->dm_nsegs == 2) { 3611 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3612 nextout->d_length2 = map->dm_segs[1].ds_len; 3613 } else { 3614 nextout->d_addr2 = 0; 3615 nextout->d_length2 = 0; 3616 } 3617 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3618 #else /* TULIP_BUS_DMA */ 3619 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3620 nextout->d_length1 = TULIP_RX_BUFLEN; 3621 #endif /* TULIP_BUS_DMA */ 3622 nextout->d_status = TULIP_DSTS_OWNER; 3623 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3624 if (++ri->ri_nextout == ri->ri_last) 3625 ri->ri_nextout = ri->ri_first; 3626 me = ms->m_next; 3627 ms->m_next = NULL; 3628 _IF_ENQUEUE(&sc->tulip_rxq, ms); 3629 } while ((ms = me) != NULL); 3630 3631 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3632 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3633 TULIP_PERFEND(rxget); 3634 } 3635 3636 #if defined(TULIP_DEBUG) 3637 sc->tulip_dbg.dbg_rxintrs++; 3638 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3639 #endif 3640 TULIP_PERFEND(rxintr); 3641 } 3642 3643 static int 3644 tulip_tx_intr( 3645 tulip_softc_t * const sc) 3646 { 3647 TULIP_PERFSTART(txintr) 3648 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3649 struct mbuf *m; 3650 int xmits = 0; 3651 int descs = 0; 3652 3653 while (ri->ri_free < ri->ri_max) { 3654 u_int32_t d_flag; 3655 3656 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3657 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3658 break; 3659 3660 ri->ri_free++; 3661 descs++; 3662 d_flag = ri->ri_nextin->d_flag; 3663 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3664 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3665 /* 3666 * We've just finished processing a setup packet. 3667 * Mark that we finished it. If there's not 3668 * another pending, startup the TULIP receiver. 3669 * Make sure we ack the RXSTOPPED so we won't get 3670 * an abormal interrupt indication. 3671 */ 3672 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3673 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3674 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3675 sc->tulip_flags |= TULIP_HASHONLY; 3676 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3677 tulip_rx_intr(sc); 3678 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3679 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3680 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3681 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3682 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3683 } 3684 } else { 3685 const u_int32_t d_status = ri->ri_nextin->d_status; 3686 _IF_DEQUEUE(&sc->tulip_txq, m); 3687 if (m != NULL) { 3688 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3689 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3690 TULIP_TXMAP_POSTSYNC(sc, map); 3691 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3692 #endif /* TULIP_BUS_DMA */ 3693 m_freem(m); 3694 #if defined(TULIP_DEBUG) 3695 } else { 3696 printf("%s: tx_intr: failed to dequeue mbuf?!?\n", 3697 sc->tulip_xname); 3698 #endif 3699 } 3700 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3701 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3702 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3703 #if defined(TULIP_DEBUG) 3704 if (d_status & TULIP_DSTS_TxNOCARR) 3705 sc->tulip_dbg.dbg_txprobe_nocarr++; 3706 if (d_status & TULIP_DSTS_TxEXCCOLL) 3707 sc->tulip_dbg.dbg_txprobe_exccoll++; 3708 #endif 3709 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3710 } 3711 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3712 /* 3713 * Escape from the loop before media poll has reset the TULIP! 3714 */ 3715 break; 3716 } else { 3717 xmits++; 3718 if (d_status & TULIP_DSTS_ERRSUM) { 3719 sc->tulip_if.if_oerrors++; 3720 if (d_status & TULIP_DSTS_TxEXCCOLL) 3721 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3722 if (d_status & TULIP_DSTS_TxLATECOLL) 3723 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3724 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3725 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3726 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3727 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3728 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3729 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3730 if (d_status & TULIP_DSTS_TxBABBLE) 3731 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3732 } else { 3733 u_int32_t collisions = 3734 (d_status & TULIP_DSTS_TxCOLLMASK) 3735 >> TULIP_DSTS_V_TxCOLLCNT; 3736 sc->tulip_if.if_collisions += collisions; 3737 if (collisions == 1) 3738 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3739 else if (collisions > 1) 3740 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3741 else if (d_status & TULIP_DSTS_TxDEFERRED) 3742 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3743 /* 3744 * SQE is only valid for 10baseT/BNC/AUI when not 3745 * running in full-duplex. In order to speed up the 3746 * test, the corresponding bit in tulip_flags needs to 3747 * set as well to get us to count SQE Test Errors. 3748 */ 3749 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3750 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3751 } 3752 } 3753 } 3754 } 3755 3756 if (++ri->ri_nextin == ri->ri_last) 3757 ri->ri_nextin = ri->ri_first; 3758 3759 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3760 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3761 } 3762 /* 3763 * If nothing left to transmit, disable the timer. 3764 * Else if progress, reset the timer back to 2 ticks. 3765 */ 3766 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3767 sc->tulip_txtimer = 0; 3768 else if (xmits > 0) 3769 sc->tulip_txtimer = TULIP_TXTIMER; 3770 sc->tulip_if.if_opackets += xmits; 3771 TULIP_PERFEND(txintr); 3772 return descs; 3773 } 3774 3775 static void 3776 tulip_print_abnormal_interrupt( 3777 tulip_softc_t * const sc, 3778 u_int32_t csr) 3779 { 3780 const char * const *msgp = tulip_status_bits; 3781 const char *sep; 3782 u_int32_t mask; 3783 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3784 3785 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3786 printf("%s: abnormal interrupt:", sc->tulip_xname); 3787 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3788 if ((csr & mask) && *msgp != NULL) { 3789 printf("%s%s", sep, *msgp); 3790 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3791 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3792 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3793 printf(" (switching to store-and-forward mode)"); 3794 } else { 3795 printf(" (raising TX threshold to %s)", 3796 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3797 } 3798 } 3799 sep = ", "; 3800 } 3801 } 3802 printf("\n"); 3803 } 3804 3805 static void 3806 tulip_intr_handler( 3807 tulip_softc_t * const sc, 3808 int *progress_p) 3809 { 3810 TULIP_PERFSTART(intr) 3811 u_int32_t csr; 3812 3813 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3814 *progress_p = 1; 3815 TULIP_CSR_WRITE(sc, csr_status, csr); 3816 3817 if (csr & TULIP_STS_SYSERROR) { 3818 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3819 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3820 sc->tulip_flags |= TULIP_SYSTEMERROR; 3821 } else { 3822 printf("%s: system error: %s\n", 3823 sc->tulip_xname, 3824 tulip_system_errors[sc->tulip_last_system_error]); 3825 } 3826 sc->tulip_flags |= TULIP_NEEDRESET; 3827 sc->tulip_system_errors++; 3828 break; 3829 } 3830 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3831 #if defined(TULIP_DEBUG) 3832 sc->tulip_dbg.dbg_link_intrs++; 3833 #endif 3834 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3835 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3836 ? TULIP_MEDIAPOLL_LINKFAIL 3837 : TULIP_MEDIAPOLL_LINKPASS); 3838 csr &= ~TULIP_STS_ABNRMLINTR; 3839 } 3840 tulip_media_print(sc); 3841 } 3842 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3843 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3844 if (csr & TULIP_STS_RXNOBUF) 3845 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3846 /* 3847 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3848 * on receive overflows. 3849 */ 3850 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3851 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3852 /* 3853 * Stop the receiver process and spin until it's stopped. 3854 * Tell rx_intr to drop the packets it dequeues. 3855 */ 3856 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3857 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3858 ; 3859 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3860 sc->tulip_flags |= TULIP_RXIGNORE; 3861 } 3862 tulip_rx_intr(sc); 3863 if (sc->tulip_flags & TULIP_RXIGNORE) { 3864 /* 3865 * Restart the receiver. 3866 */ 3867 sc->tulip_flags &= ~TULIP_RXIGNORE; 3868 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3869 } 3870 } 3871 if (csr & TULIP_STS_ABNRMLINTR) { 3872 u_int32_t tmp = csr & sc->tulip_intrmask 3873 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3874 if (csr & TULIP_STS_TXUNDERFLOW) { 3875 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3876 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3877 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3878 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3879 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3880 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3881 } 3882 } 3883 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3884 sc->tulip_statusbits |= tmp; 3885 } else { 3886 tulip_print_abnormal_interrupt(sc, tmp); 3887 sc->tulip_flags |= TULIP_NOMESSAGES; 3888 } 3889 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3890 } 3891 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3892 tulip_tx_intr(sc); 3893 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3894 tulip_ifstart(&sc->tulip_if); 3895 } 3896 } 3897 if (sc->tulip_flags & TULIP_NEEDRESET) { 3898 tulip_reset(sc); 3899 tulip_init(sc); 3900 } 3901 TULIP_PERFEND(intr); 3902 } 3903 3904 #if defined(TULIP_USE_SOFTINTR) 3905 /* 3906 * This is an experimental idea to alleviate problems due to interrupt 3907 * livelock. What is interrupt livelock? It's when you spend all your 3908 * time servicing device interrupts and never drop below device ipl 3909 * to do "useful" work. 3910 * 3911 * So what we do here is see if the device needs service and if so, 3912 * disable interrupts (dismiss the interrupt), place it in a list of devices 3913 * needing service, and issue a network software interrupt. 3914 * 3915 * When our network software interrupt routine gets called, we simply 3916 * walk done the list of devices that we have created and deal with them 3917 * at splnet/splsoftnet. 3918 * 3919 */ 3920 static void 3921 tulip_hardintr_handler( 3922 tulip_softc_t * const sc, 3923 int *progress_p) 3924 { 3925 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3926 return; 3927 *progress_p = 1; 3928 /* 3929 * disable interrupts 3930 */ 3931 TULIP_CSR_WRITE(sc, csr_intr, 0); 3932 /* 3933 * mark it as needing a software interrupt 3934 */ 3935 tulip_softintr_mask |= (1U << sc->tulip_unit); 3936 } 3937 3938 static void 3939 tulip_softintr( 3940 void) 3941 { 3942 u_int32_t softintr_mask, mask; 3943 int progress = 0; 3944 int unit; 3945 int s; 3946 3947 /* 3948 * Copy mask to local copy and reset global one to 0. 3949 */ 3950 s = splimp(); 3951 softintr_mask = tulip_softintr_mask; 3952 tulip_softintr_mask = 0; 3953 splx(s); 3954 3955 /* 3956 * Optimize for the single unit case. 3957 */ 3958 if (tulip_softintr_max_unit == 0) { 3959 if (softintr_mask & 1) { 3960 tulip_softc_t * const sc = tulips[0]; 3961 /* 3962 * Handle the "interrupt" and then reenable interrupts 3963 */ 3964 softintr_mask = 0; 3965 tulip_intr_handler(sc, &progress); 3966 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3967 } 3968 return; 3969 } 3970 3971 /* 3972 * Handle all "queued" interrupts in a round robin fashion. 3973 * This is done so as not to favor a particular interface. 3974 */ 3975 unit = tulip_softintr_last_unit; 3976 mask = (1U << unit); 3977 while (softintr_mask != 0) { 3978 if (tulip_softintr_max_unit == unit) { 3979 unit = 0; mask = 1; 3980 } else { 3981 unit += 1; mask <<= 1; 3982 } 3983 if (softintr_mask & mask) { 3984 tulip_softc_t * const sc = tulips[unit]; 3985 /* 3986 * Handle the "interrupt" and then reenable interrupts 3987 */ 3988 softintr_mask ^= mask; 3989 tulip_intr_handler(sc, &progress); 3990 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3991 } 3992 } 3993 3994 /* 3995 * Save where we ending up. 3996 */ 3997 tulip_softintr_last_unit = unit; 3998 } 3999 #endif /* TULIP_USE_SOFTINTR */ 4000 4001 static void 4002 tulip_intr_shared( 4003 void *arg) 4004 { 4005 tulip_softc_t * sc = arg; 4006 int progress = 0; 4007 4008 for (; sc != NULL; sc = sc->tulip_slaves) { 4009 #if defined(TULIP_DEBUG) 4010 sc->tulip_dbg.dbg_intrs++; 4011 #endif 4012 #if defined(TULIP_USE_SOFTINTR) 4013 tulip_hardintr_handler(sc, &progress); 4014 #else 4015 tulip_intr_handler(sc, &progress); 4016 #endif 4017 } 4018 #if defined(TULIP_USE_SOFTINTR) 4019 if (progress) 4020 schednetisr(NETISR_DE); 4021 #endif 4022 } 4023 4024 static void 4025 tulip_intr_normal( 4026 void *arg) 4027 { 4028 tulip_softc_t * sc = (tulip_softc_t *) arg; 4029 int progress = 0; 4030 4031 #if defined(TULIP_DEBUG) 4032 sc->tulip_dbg.dbg_intrs++; 4033 #endif 4034 #if defined(TULIP_USE_SOFTINTR) 4035 tulip_hardintr_handler(sc, &progress); 4036 if (progress) 4037 schednetisr(NETISR_DE); 4038 #else 4039 tulip_intr_handler(sc, &progress); 4040 #endif 4041 } 4042 4043 static struct mbuf * 4044 tulip_mbuf_compress( 4045 struct mbuf *m) 4046 { 4047 struct mbuf *m0; 4048 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4049 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4050 if (m0 != NULL) { 4051 if (m->m_pkthdr.len > MHLEN) { 4052 MCLGET(m0, M_DONTWAIT); 4053 if ((m0->m_flags & M_EXT) == 0) { 4054 m_freem(m); 4055 m_freem(m0); 4056 return NULL; 4057 } 4058 } 4059 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4060 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4061 } 4062 #else 4063 int mlen = MHLEN; 4064 int len = m->m_pkthdr.len; 4065 struct mbuf **mp = &m0; 4066 4067 while (len > 0) { 4068 if (mlen == MHLEN) { 4069 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4070 } else { 4071 MGET(*mp, M_DONTWAIT, MT_DATA); 4072 } 4073 if (*mp == NULL) { 4074 m_freem(m0); 4075 m0 = NULL; 4076 break; 4077 } 4078 if (len > MLEN) { 4079 MCLGET(*mp, M_DONTWAIT); 4080 if (((*mp)->m_flags & M_EXT) == 0) { 4081 m_freem(m0); 4082 m0 = NULL; 4083 break; 4084 } 4085 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4086 } else { 4087 (*mp)->m_len = len <= mlen ? len : mlen; 4088 } 4089 m_copydata(m, m->m_pkthdr.len - len, 4090 (*mp)->m_len, mtod((*mp), caddr_t)); 4091 len -= (*mp)->m_len; 4092 mp = &(*mp)->m_next; 4093 mlen = MLEN; 4094 } 4095 #endif 4096 m_freem(m); 4097 return m0; 4098 } 4099 4100 static struct mbuf * 4101 tulip_txput( 4102 tulip_softc_t * const sc, 4103 struct mbuf *m) 4104 { 4105 TULIP_PERFSTART(txput) 4106 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4107 tulip_desc_t *eop, *nextout; 4108 int segcnt, free; 4109 u_int32_t d_status; 4110 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4111 bus_dmamap_t map; 4112 int error; 4113 #else 4114 struct mbuf *m0; 4115 #endif 4116 4117 #if defined(TULIP_DEBUG) 4118 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4119 printf("%s: txput%s: tx not running\n", 4120 sc->tulip_xname, 4121 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4122 sc->tulip_flags |= TULIP_WANTTXSTART; 4123 sc->tulip_dbg.dbg_txput_finishes[0]++; 4124 goto finish; 4125 } 4126 #endif 4127 4128 /* 4129 * Now we try to fill in our transmit descriptors. This is 4130 * a bit reminiscent of going on the Ark two by two 4131 * since each descriptor for the TULIP can describe 4132 * two buffers. So we advance through packet filling 4133 * each of the two entries at a time to to fill each 4134 * descriptor. Clear the first and last segment bits 4135 * in each descriptor (actually just clear everything 4136 * but the end-of-ring or chain bits) to make sure 4137 * we don't get messed up by previously sent packets. 4138 * 4139 * We may fail to put the entire packet on the ring if 4140 * there is either not enough ring entries free or if the 4141 * packet has more than MAX_TXSEG segments. In the former 4142 * case we will just wait for the ring to empty. In the 4143 * latter case we have to recopy. 4144 */ 4145 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4146 again: 4147 m0 = m; 4148 #endif 4149 d_status = 0; 4150 eop = nextout = ri->ri_nextout; 4151 segcnt = 0; 4152 free = ri->ri_free; 4153 4154 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4155 /* 4156 * Reclaim some dma maps from if we are out. 4157 */ 4158 if (sc->tulip_txmaps_free == 0) { 4159 #if defined(TULIP_DEBUG) 4160 sc->tulip_dbg.dbg_no_txmaps++; 4161 #endif 4162 free += tulip_tx_intr(sc); 4163 } 4164 if (sc->tulip_txmaps_free > 0) { 4165 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4166 } else { 4167 sc->tulip_flags |= TULIP_WANTTXSTART; 4168 #if defined(TULIP_DEBUG) 4169 sc->tulip_dbg.dbg_txput_finishes[1]++; 4170 #endif 4171 goto finish; 4172 } 4173 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4174 if (error != 0) { 4175 if (error == EFBIG) { 4176 /* 4177 * The packet exceeds the number of transmit buffer 4178 * entries that we can use for one packet, so we have 4179 * to recopy it into one mbuf and then try again. 4180 */ 4181 m = tulip_mbuf_compress(m); 4182 if (m == NULL) { 4183 #if defined(TULIP_DEBUG) 4184 sc->tulip_dbg.dbg_txput_finishes[2]++; 4185 #endif 4186 goto finish; 4187 } 4188 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4189 } 4190 if (error != 0) { 4191 printf("%s: unable to load tx map, " 4192 "error = %d\n", sc->tulip_xname, error); 4193 #if defined(TULIP_DEBUG) 4194 sc->tulip_dbg.dbg_txput_finishes[3]++; 4195 #endif 4196 goto finish; 4197 } 4198 } 4199 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4200 /* 4201 * See if there's any unclaimed space in the transmit ring. 4202 */ 4203 && (free += tulip_tx_intr(sc)) <= 0) { 4204 /* 4205 * There's no more room but since nothing 4206 * has been committed at this point, just 4207 * show output is active, put back the 4208 * mbuf and return. 4209 */ 4210 sc->tulip_flags |= TULIP_WANTTXSTART; 4211 #if defined(TULIP_DEBUG) 4212 sc->tulip_dbg.dbg_txput_finishes[4]++; 4213 #endif 4214 bus_dmamap_unload(sc->tulip_dmatag, map); 4215 goto finish; 4216 } 4217 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4218 eop = nextout; 4219 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4220 eop->d_status = d_status; 4221 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4222 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4223 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4224 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4225 d_status = TULIP_DSTS_OWNER; 4226 if (++nextout == ri->ri_last) 4227 nextout = ri->ri_first; 4228 } 4229 if (segcnt < map->dm_nsegs) { 4230 eop = nextout; 4231 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4232 eop->d_status = d_status; 4233 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4234 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4235 eop->d_addr2 = 0; 4236 eop->d_length2 = 0; 4237 if (++nextout == ri->ri_last) 4238 nextout = ri->ri_first; 4239 } 4240 TULIP_TXMAP_PRESYNC(sc, map); 4241 M_SETCTX(m, map); 4242 map = NULL; 4243 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4244 4245 #else /* !TULIP_BUS_DMA */ 4246 4247 do { 4248 int len = m0->m_len; 4249 caddr_t addr = mtod(m0, caddr_t); 4250 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4251 4252 while (len > 0) { 4253 unsigned slen = min(len, clsize); 4254 #ifdef BIG_PACKET 4255 int partial = 0; 4256 if (slen >= 2048) 4257 slen = 2040, partial = 1; 4258 #endif 4259 segcnt++; 4260 if (segcnt > TULIP_MAX_TXSEG) { 4261 /* 4262 * The packet exceeds the number of transmit buffer 4263 * entries that we can use for one packet, so we have 4264 * recopy it into one mbuf and then try again. 4265 */ 4266 m = tulip_mbuf_compress(m); 4267 if (m == NULL) 4268 goto finish; 4269 goto again; 4270 } 4271 if (segcnt & 1) { 4272 if (--free == 0) { 4273 /* 4274 * See if there's any unclaimed space in the 4275 * transmit ring. 4276 */ 4277 if ((free += tulip_tx_intr(sc)) == 0) { 4278 /* 4279 * There's no more room but since nothing 4280 * has been committed at this point, just 4281 * show output is active, put back the 4282 * mbuf and return. 4283 */ 4284 sc->tulip_flags |= TULIP_WANTTXSTART; 4285 #if defined(TULIP_DEBUG) 4286 sc->tulip_dbg.dbg_txput_finishes[1]++; 4287 #endif 4288 goto finish; 4289 } 4290 } 4291 eop = nextout; 4292 if (++nextout == ri->ri_last) 4293 nextout = ri->ri_first; 4294 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4295 eop->d_status = d_status; 4296 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4297 eop->d_length1 = slen; 4298 } else { 4299 /* 4300 * Fill in second half of descriptor 4301 */ 4302 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4303 eop->d_length2 = slen; 4304 } 4305 d_status = TULIP_DSTS_OWNER; 4306 len -= slen; 4307 addr += slen; 4308 #ifdef BIG_PACKET 4309 if (partial) 4310 continue; 4311 #endif 4312 clsize = PAGE_SIZE; 4313 } 4314 } while ((m0 = m0->m_next) != NULL); 4315 #endif /* TULIP_BUS_DMA */ 4316 4317 /* 4318 * bounce a copy to the bpf listener, if any. 4319 */ 4320 BPF_MTAP(&sc->tulip_if, m); 4321 4322 /* 4323 * The descriptors have been filled in. Now get ready 4324 * to transmit. 4325 */ 4326 _IF_ENQUEUE(&sc->tulip_txq, m); 4327 m = NULL; 4328 4329 /* 4330 * Make sure the next descriptor after this packet is owned 4331 * by us since it may have been set up above if we ran out 4332 * of room in the ring. 4333 */ 4334 nextout->d_status = 0; 4335 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4336 4337 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4338 /* 4339 * If we only used the first segment of the last descriptor, 4340 * make sure the second segment will not be used. 4341 */ 4342 if (segcnt & 1) { 4343 eop->d_addr2 = 0; 4344 eop->d_length2 = 0; 4345 } 4346 #endif /* TULIP_BUS_DMA */ 4347 4348 /* 4349 * Mark the last and first segments, indicate we want a transmit 4350 * complete interrupt, and tell it to transmit! 4351 */ 4352 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4353 4354 /* 4355 * Note that ri->ri_nextout is still the start of the packet 4356 * and until we set the OWNER bit, we can still back out of 4357 * everything we have done. 4358 */ 4359 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4360 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4361 if (eop < ri->ri_nextout) { 4362 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4363 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4364 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4365 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4366 } else { 4367 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4368 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4369 } 4370 #endif 4371 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4372 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4373 4374 /* 4375 * This advances the ring for us. 4376 */ 4377 ri->ri_nextout = nextout; 4378 ri->ri_free = free; 4379 4380 TULIP_PERFEND(txput); 4381 4382 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4383 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4384 sc->tulip_if.if_flags |= IFF_OACTIVE; 4385 sc->tulip_if.if_start = tulip_ifstart; 4386 TULIP_PERFEND(txput); 4387 return NULL; 4388 } 4389 4390 /* 4391 * switch back to the single queueing ifstart. 4392 */ 4393 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4394 if (sc->tulip_txtimer == 0) 4395 sc->tulip_txtimer = TULIP_TXTIMER; 4396 #if defined(TULIP_DEBUG) 4397 sc->tulip_dbg.dbg_txput_finishes[5]++; 4398 #endif 4399 4400 /* 4401 * If we want a txstart, there must be not enough space in the 4402 * transmit ring. So we want to enable transmit done interrupts 4403 * so we can immediately reclaim some space. When the transmit 4404 * interrupt is posted, the interrupt handler will call tx_intr 4405 * to reclaim space and then txstart (since WANTTXSTART is set). 4406 * txstart will move the packet into the transmit ring and clear 4407 * WANTTXSTART thereby causing TXINTR to be cleared. 4408 */ 4409 finish: 4410 #if defined(TULIP_DEBUG) 4411 sc->tulip_dbg.dbg_txput_finishes[6]++; 4412 #endif 4413 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4414 sc->tulip_if.if_flags |= IFF_OACTIVE; 4415 sc->tulip_if.if_start = tulip_ifstart; 4416 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4417 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4418 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4419 } 4420 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4421 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4422 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4423 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4424 } 4425 } 4426 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4427 TULIP_PERFEND(txput); 4428 return m; 4429 } 4430 4431 static void 4432 tulip_txput_setup( 4433 tulip_softc_t * const sc) 4434 { 4435 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4436 tulip_desc_t *nextout; 4437 4438 /* 4439 * We will transmit, at most, one setup packet per call to ifstart. 4440 */ 4441 4442 #if defined(TULIP_DEBUG) 4443 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4444 printf("%s: txput_setup: tx not running\n", 4445 sc->tulip_xname); 4446 sc->tulip_flags |= TULIP_WANTTXSTART; 4447 sc->tulip_if.if_start = tulip_ifstart; 4448 return; 4449 } 4450 #endif 4451 /* 4452 * Try to reclaim some free descriptors.. 4453 */ 4454 if (ri->ri_free < 2) 4455 tulip_tx_intr(sc); 4456 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4457 sc->tulip_flags |= TULIP_WANTTXSTART; 4458 sc->tulip_if.if_start = tulip_ifstart; 4459 return; 4460 } 4461 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4462 sizeof(sc->tulip_setupbuf)); 4463 /* 4464 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4465 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4466 */ 4467 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4468 ri->ri_free--; 4469 nextout = ri->ri_nextout; 4470 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4471 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4472 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4473 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4474 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4475 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4476 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4477 4478 nextout->d_length2 = 0; 4479 nextout->d_addr2 = 0; 4480 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4481 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4482 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4483 if (sc->tulip_setupmap->dm_nsegs == 2) { 4484 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4485 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4486 } 4487 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4488 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4489 #else 4490 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4491 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4492 #endif 4493 4494 /* 4495 * Advance the ring for the next transmit packet. 4496 */ 4497 if (++ri->ri_nextout == ri->ri_last) 4498 ri->ri_nextout = ri->ri_first; 4499 4500 /* 4501 * Make sure the next descriptor is owned by us since it 4502 * may have been set up above if we ran out of room in the 4503 * ring. 4504 */ 4505 ri->ri_nextout->d_status = 0; 4506 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4507 nextout->d_status = TULIP_DSTS_OWNER; 4508 /* 4509 * Flush the ownwership of the current descriptor 4510 */ 4511 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4512 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4513 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4514 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4515 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4516 } 4517 } 4518 4519 4520 /* 4521 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4522 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4523 * defined or not. 4524 */ 4525 static int 4526 tulip_ifioctl( 4527 struct ifnet * ifp, 4528 u_long cmd, 4529 caddr_t data) 4530 { 4531 TULIP_PERFSTART(ifioctl) 4532 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4533 struct ifreq *ifr = (struct ifreq *) data; 4534 int s; 4535 int error = 0; 4536 4537 #if defined(TULIP_USE_SOFTINTR) 4538 s = splnet(); 4539 #else 4540 s = splimp(); 4541 #endif 4542 switch (cmd) { 4543 case SIOCSIFFLAGS: { 4544 tulip_addr_filter(sc); /* reinit multicast filter */ 4545 tulip_init(sc); 4546 break; 4547 } 4548 4549 case SIOCSIFMEDIA: 4550 case SIOCGIFMEDIA: { 4551 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4552 break; 4553 } 4554 4555 case SIOCADDMULTI: 4556 case SIOCDELMULTI: { 4557 /* 4558 * Update multicast listeners 4559 */ 4560 tulip_addr_filter(sc); /* reset multicast filtering */ 4561 tulip_init(sc); 4562 error = 0; 4563 break; 4564 } 4565 4566 case SIOCSIFMTU: 4567 /* 4568 * Set the interface MTU. 4569 */ 4570 if (ifr->ifr_mtu > ETHERMTU 4571 #ifdef BIG_PACKET 4572 && sc->tulip_chipid != TULIP_21140 4573 && sc->tulip_chipid != TULIP_21140A 4574 && sc->tulip_chipid != TULIP_21041 4575 #endif 4576 ) { 4577 error = EINVAL; 4578 break; 4579 } 4580 ifp->if_mtu = ifr->ifr_mtu; 4581 #ifdef BIG_PACKET 4582 tulip_reset(sc); 4583 tulip_init(sc); 4584 #endif 4585 break; 4586 4587 #ifdef SIOCGADDRROM 4588 case SIOCGADDRROM: { 4589 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4590 break; 4591 } 4592 #endif 4593 #ifdef SIOCGCHIPID 4594 case SIOCGCHIPID: { 4595 ifr->ifr_metric = (int) sc->tulip_chipid; 4596 break; 4597 } 4598 #endif 4599 default: { 4600 error = ether_ioctl(ifp, cmd, data); 4601 break; 4602 } 4603 } 4604 4605 splx(s); 4606 TULIP_PERFEND(ifioctl); 4607 return error; 4608 } 4609 4610 /* 4611 * These routines gets called at device spl (from ether_output). This might 4612 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4613 * device spl from another driver. 4614 */ 4615 4616 static void 4617 tulip_ifstart( 4618 struct ifnet * const ifp) 4619 { 4620 TULIP_PERFSTART(ifstart) 4621 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4622 4623 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4624 4625 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4626 tulip_txput_setup(sc); 4627 4628 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_if.if_snd)) { 4629 struct mbuf *m; 4630 IFQ_DRV_DEQUEUE(&sc->tulip_if.if_snd, m); 4631 if(m == NULL) 4632 break; 4633 if ((m = tulip_txput(sc, m)) != NULL) { 4634 IFQ_DRV_PREPEND(&sc->tulip_if.if_snd, m); 4635 break; 4636 } 4637 } 4638 if (IFQ_DRV_IS_EMPTY(&sc->tulip_if.if_snd)) 4639 sc->tulip_if.if_start = tulip_ifstart_one; 4640 } 4641 4642 TULIP_PERFEND(ifstart); 4643 } 4644 4645 static void 4646 tulip_ifstart_one( 4647 struct ifnet * const ifp) 4648 { 4649 TULIP_PERFSTART(ifstart_one) 4650 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4651 4652 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4653 && !IFQ_DRV_IS_EMPTY(&sc->tulip_if.if_snd)) { 4654 struct mbuf *m; 4655 IFQ_DRV_DEQUEUE(&sc->tulip_if.if_snd, m); 4656 if(m == NULL); 4657 else if((m = tulip_txput(sc, m)) != NULL) 4658 IFQ_DRV_PREPEND(&sc->tulip_if.if_snd, m); 4659 } 4660 TULIP_PERFEND(ifstart_one); 4661 } 4662 4663 /* 4664 * Even though this routine runs at device spl, it does not break 4665 * our use of splnet (splsoftnet under NetBSD) for the majority 4666 * of this driver (if TULIP_USE_SOFTINTR defined) since 4667 * if_watcbog is called from if_watchdog which is called from 4668 * splsoftclock which is below spl[soft]net. 4669 */ 4670 static void 4671 tulip_ifwatchdog( 4672 struct ifnet *ifp) 4673 { 4674 TULIP_PERFSTART(ifwatchdog) 4675 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4676 4677 #if defined(TULIP_DEBUG) 4678 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4679 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4680 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4681 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4682 #endif /* TULIP_DEBUG */ 4683 4684 sc->tulip_if.if_timer = 1; 4685 /* 4686 * These should be rare so do a bulk test up front so we can just skip 4687 * them if needed. 4688 */ 4689 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4690 /* 4691 * If the number of receive buffer is low, try to refill 4692 */ 4693 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4694 tulip_rx_intr(sc); 4695 4696 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4697 printf("%s: %d system errors: last was %s\n", 4698 sc->tulip_xname, sc->tulip_system_errors, 4699 tulip_system_errors[sc->tulip_last_system_error]); 4700 } 4701 if (sc->tulip_statusbits) { 4702 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4703 sc->tulip_statusbits = 0; 4704 } 4705 4706 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4707 } 4708 4709 if (sc->tulip_txtimer) 4710 tulip_tx_intr(sc); 4711 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4712 printf("%s: transmission timeout\n", sc->tulip_xname); 4713 if (TULIP_DO_AUTOSENSE(sc)) { 4714 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4715 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4716 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4717 } 4718 tulip_reset(sc); 4719 tulip_init(sc); 4720 } 4721 4722 TULIP_PERFEND(ifwatchdog); 4723 TULIP_PERFMERGE(sc, perf_intr_cycles); 4724 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4725 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4726 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4727 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4728 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4729 TULIP_PERFMERGE(sc, perf_txput_cycles); 4730 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4731 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4732 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4733 TULIP_PERFMERGE(sc, perf_intr); 4734 TULIP_PERFMERGE(sc, perf_ifstart); 4735 TULIP_PERFMERGE(sc, perf_ifioctl); 4736 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4737 TULIP_PERFMERGE(sc, perf_timeout); 4738 TULIP_PERFMERGE(sc, perf_ifstart_one); 4739 TULIP_PERFMERGE(sc, perf_txput); 4740 TULIP_PERFMERGE(sc, perf_txintr); 4741 TULIP_PERFMERGE(sc, perf_rxintr); 4742 TULIP_PERFMERGE(sc, perf_rxget); 4743 } 4744 4745 /* 4746 * All printf's are real as of now! 4747 */ 4748 #ifdef printf 4749 #undef printf 4750 #endif 4751 4752 static void 4753 tulip_attach( 4754 tulip_softc_t * const sc) 4755 { 4756 struct ifnet * const ifp = &sc->tulip_if; 4757 4758 /* XXX: driver name/unit should be set some other way */ 4759 ifp->if_dname = "de"; 4760 ifp->if_dunit = sc->tulip_unit; 4761 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4762 ifp->if_ioctl = tulip_ifioctl; 4763 ifp->if_start = tulip_ifstart; 4764 ifp->if_watchdog = tulip_ifwatchdog; 4765 ifp->if_timer = 1; 4766 ifp->if_init = tulip_ifinit; 4767 4768 printf("%s: %s%s pass %d.%d%s\n", 4769 sc->tulip_xname, 4770 sc->tulip_boardid, 4771 tulip_chipdescs[sc->tulip_chipid], 4772 (sc->tulip_revinfo & 0xF0) >> 4, 4773 sc->tulip_revinfo & 0x0F, 4774 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4775 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4776 #ifndef __FreeBSD__ 4777 printf("%s: address %6D\n", 4778 sc->tulip_xname, sc->tulip_enaddr, ":"); 4779 #endif 4780 4781 #if defined(__alpha__) 4782 /* 4783 * In case the SRM console told us about a bogus media, 4784 * we need to check to be safe. 4785 */ 4786 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4787 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4788 #endif 4789 4790 (*sc->tulip_boardsw->bd_media_probe)(sc); 4791 ifmedia_init(&sc->tulip_ifmedia, 0, 4792 tulip_ifmedia_change, 4793 tulip_ifmedia_status); 4794 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4795 tulip_ifmedia_add(sc); 4796 4797 tulip_reset(sc); 4798 4799 ether_ifattach(&(sc)->tulip_if, sc->tulip_enaddr); 4800 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4801 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4802 IFQ_SET_READY(&ifp->if_snd); 4803 } 4804 4805 #if defined(TULIP_BUS_DMA) 4806 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4807 static int 4808 tulip_busdma_allocmem( 4809 tulip_softc_t * const sc, 4810 size_t size, 4811 bus_dmamap_t *map_p, 4812 tulip_desc_t **desc_p) 4813 { 4814 bus_dma_segment_t segs[1]; 4815 int nsegs, error; 4816 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4817 segs, sizeof(segs)/sizeof(segs[0]), 4818 &nsegs, BUS_DMA_NOWAIT); 4819 if (error == 0) { 4820 void *desc; 4821 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4822 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4823 if (error == 0) { 4824 bus_dmamap_t map; 4825 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4826 BUS_DMA_NOWAIT, &map); 4827 if (error == 0) { 4828 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4829 size, NULL, BUS_DMA_NOWAIT); 4830 if (error) 4831 bus_dmamap_destroy(sc->tulip_dmatag, map); 4832 else 4833 *map_p = map; 4834 } 4835 if (error) 4836 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4837 } 4838 if (error) 4839 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4840 else 4841 *desc_p = desc; 4842 } 4843 return error; 4844 } 4845 #endif 4846 4847 static int 4848 tulip_busdma_init( 4849 tulip_softc_t * const sc) 4850 { 4851 int error = 0; 4852 4853 #if !defined(TULIP_BUS_DMA_NOTX) 4854 /* 4855 * Allocate dmamap for setup descriptor 4856 */ 4857 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4858 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4859 &sc->tulip_setupmap); 4860 if (error == 0) { 4861 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4862 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4863 NULL, BUS_DMA_NOWAIT); 4864 if (error) 4865 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4866 } 4867 /* 4868 * Allocate space and dmamap for transmit ring 4869 */ 4870 if (error == 0) { 4871 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4872 &sc->tulip_txdescmap, 4873 &sc->tulip_txdescs); 4874 } 4875 4876 /* 4877 * Allocate dmamaps for each transmit descriptors 4878 */ 4879 if (error == 0) { 4880 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4881 bus_dmamap_t map; 4882 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4883 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4884 } 4885 if (error) { 4886 while (sc->tulip_txmaps_free > 0) 4887 bus_dmamap_destroy(sc->tulip_dmatag, 4888 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4889 } 4890 } 4891 #else 4892 if (error == 0) { 4893 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4894 if (sc->tulip_txdescs == NULL) 4895 error = ENOMEM; 4896 } 4897 #endif 4898 #if !defined(TULIP_BUS_DMA_NORX) 4899 /* 4900 * Allocate space and dmamap for receive ring 4901 */ 4902 if (error == 0) { 4903 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4904 &sc->tulip_rxdescmap, 4905 &sc->tulip_rxdescs); 4906 } 4907 4908 /* 4909 * Allocate dmamaps for each receive descriptors 4910 */ 4911 if (error == 0) { 4912 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4913 bus_dmamap_t map; 4914 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4915 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4916 } 4917 if (error) { 4918 while (sc->tulip_rxmaps_free > 0) 4919 bus_dmamap_destroy(sc->tulip_dmatag, 4920 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4921 } 4922 } 4923 #else 4924 if (error == 0) { 4925 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4926 if (sc->tulip_rxdescs == NULL) 4927 error = ENOMEM; 4928 } 4929 #endif 4930 return error; 4931 } 4932 #endif /* TULIP_BUS_DMA */ 4933 4934 static void 4935 tulip_initcsrs( 4936 tulip_softc_t * const sc, 4937 tulip_csrptr_t csr_base, 4938 size_t csr_size) 4939 { 4940 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4941 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4942 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4943 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4944 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4945 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4946 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4947 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4948 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4949 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4950 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4951 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4952 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4953 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4954 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4955 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4956 } 4957 4958 static void 4959 tulip_initring( 4960 tulip_softc_t * const sc, 4961 tulip_ringinfo_t * const ri, 4962 tulip_desc_t *descs, 4963 int ndescs) 4964 { 4965 ri->ri_max = ndescs; 4966 ri->ri_first = descs; 4967 ri->ri_last = ri->ri_first + ri->ri_max; 4968 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4969 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4970 } 4971 4972 /* 4973 * This is the PCI configuration support. 4974 */ 4975 4976 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4977 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4978 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4979 4980 static int 4981 tulip_pci_probe(device_t dev) 4982 { 4983 const char *name = NULL; 4984 4985 if (pci_get_vendor(dev) != DEC_VENDORID) 4986 return ENXIO; 4987 4988 /* 4989 * Some LanMedia WAN cards use the Tulip chip, but they have 4990 * their own driver, and we should not recognize them 4991 */ 4992 if (pci_get_subvendor(dev) == 0x1376) 4993 return ENXIO; 4994 4995 switch (pci_get_device(dev)) { 4996 case CHIPID_21040: 4997 name = "Digital 21040 Ethernet"; 4998 break; 4999 case CHIPID_21041: 5000 name = "Digital 21041 Ethernet"; 5001 break; 5002 case CHIPID_21140: 5003 if (pci_get_revid(dev) >= 0x20) 5004 name = "Digital 21140A Fast Ethernet"; 5005 else 5006 name = "Digital 21140 Fast Ethernet"; 5007 break; 5008 case CHIPID_21142: 5009 if (pci_get_revid(dev) >= 0x20) 5010 name = "Digital 21143 Fast Ethernet"; 5011 else 5012 name = "Digital 21142 Fast Ethernet"; 5013 break; 5014 } 5015 if (name) { 5016 device_set_desc(dev, name); 5017 return -200; 5018 } 5019 return ENXIO; 5020 } 5021 5022 static int 5023 tulip_shutdown(device_t dev) 5024 { 5025 tulip_softc_t * const sc = device_get_softc(dev); 5026 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5027 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5028 33MHz that comes to two microseconds but wait a 5029 bit longer anyways) */ 5030 return 0; 5031 } 5032 5033 static int 5034 tulip_pci_attach(device_t dev) 5035 { 5036 tulip_softc_t *sc; 5037 #if defined(__alpha__) 5038 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5039 #endif 5040 int retval, idx; 5041 u_int32_t revinfo, cfdainfo, cfcsinfo; 5042 unsigned csroffset = TULIP_PCI_CSROFFSET; 5043 unsigned csrsize = TULIP_PCI_CSRSIZE; 5044 tulip_csrptr_t csr_base; 5045 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5046 struct resource *res; 5047 int rid, unit; 5048 5049 unit = device_get_unit(dev); 5050 5051 if (unit >= TULIP_MAX_DEVICES) { 5052 printf("de%d", unit); 5053 printf(": not configured; limit of %d reached or exceeded\n", 5054 TULIP_MAX_DEVICES); 5055 return ENXIO; 5056 } 5057 5058 revinfo = pci_get_revid(dev); 5059 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5060 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5061 5062 /* turn busmaster on in case BIOS doesn't set it */ 5063 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5064 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5065 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5066 } 5067 5068 if (pci_get_vendor(dev) == DEC_VENDORID) { 5069 if (pci_get_device(dev) == CHIPID_21040) 5070 chipid = TULIP_21040; 5071 else if (pci_get_device(dev) == CHIPID_21041) 5072 chipid = TULIP_21041; 5073 else if (pci_get_device(dev) == CHIPID_21140) 5074 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5075 else if (pci_get_device(dev) == CHIPID_21142) 5076 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5077 } 5078 if (chipid == TULIP_CHIPID_UNKNOWN) 5079 return ENXIO; 5080 5081 if (chipid == TULIP_21040 && revinfo < 0x20) { 5082 printf("de%d", unit); 5083 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5084 revinfo >> 4, revinfo & 0x0f); 5085 return ENXIO; 5086 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5087 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5088 unit, revinfo >> 4, revinfo & 0x0f); 5089 return ENXIO; 5090 } 5091 5092 sc = device_get_softc(dev); 5093 sc->tulip_pci_busno = pci_get_bus(dev); 5094 sc->tulip_pci_devno = pci_get_slot(dev); 5095 sc->tulip_chipid = chipid; 5096 sc->tulip_flags |= TULIP_DEVICEPROBE; 5097 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5098 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5099 if (chipid == TULIP_21140A && revinfo <= 0x22) 5100 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5101 if (chipid == TULIP_21140) 5102 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5103 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5104 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5105 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5106 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5107 if (chipid != TULIP_21041 || revinfo >= 0x20) 5108 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5109 if (chipid != TULIP_21041) 5110 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5111 if (chipid != TULIP_21041 && revinfo >= 0x20) 5112 sc->tulip_features |= TULIP_HAVE_SIA100; 5113 } 5114 5115 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5116 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5117 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5118 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5119 DELAY(11*1000); 5120 } 5121 #if defined(__alpha__) 5122 /* 5123 * The Alpha SRM console encodes a console set media in the driver 5124 * part of the CFDA register. Note that the Multia presents a 5125 * problem in that its BNC mode is really EXTSIA. So in that case 5126 * force a probe. 5127 */ 5128 switch ((cfdainfo >> 8) & 0xff) { 5129 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5130 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5131 case 3: media = TULIP_MEDIA_10BASET; break; 5132 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5133 case 5: media = TULIP_MEDIA_100BASETX; break; 5134 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5135 default: media = TULIP_MEDIA_UNKNOWN; break; 5136 } 5137 #endif 5138 5139 sc->tulip_unit = unit; 5140 snprintf(sc->tulip_xname, IFNAMSIZ, "de%d", sc->tulip_unit); 5141 sc->tulip_revinfo = revinfo; 5142 sc->tulip_if.if_softc = sc; 5143 #if defined(TULIP_IOMAPPED) 5144 rid = PCI_CBIO; 5145 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 5146 #else 5147 rid = PCI_CBMA; 5148 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 5149 #endif 5150 if (!res) 5151 return ENXIO; 5152 sc->tulip_csrs_bst = rman_get_bustag(res); 5153 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5154 csr_base = 0; 5155 5156 tulips[unit] = sc; 5157 5158 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5159 5160 #if defined(TULIP_BUS_DMA) 5161 if ((retval = tulip_busdma_init(sc)) != 0) { 5162 printf("error initing bus_dma: %d\n", retval); 5163 return ENXIO; 5164 } 5165 #else 5166 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5167 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5168 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5169 printf("malloc failed\n"); 5170 if (sc->tulip_rxdescs) 5171 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5172 if (sc->tulip_txdescs) 5173 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5174 return ENXIO; 5175 } 5176 #endif 5177 5178 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5179 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5180 5181 /* 5182 * Make sure there won't be any interrupts or such... 5183 */ 5184 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5185 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5186 33MHz that comes to two microseconds but wait a 5187 bit longer anyways) */ 5188 5189 if ((retval = tulip_read_macaddr(sc)) < 0) { 5190 printf("%s", sc->tulip_xname); 5191 printf(": can't read ENET ROM (why=%d) (", retval); 5192 for (idx = 0; idx < 32; idx++) 5193 printf("%02x", sc->tulip_rombuf[idx]); 5194 printf("\n"); 5195 printf("%s: %s%s pass %d.%d\n", 5196 sc->tulip_xname, 5197 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5198 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5199 printf("%s: address unknown\n", sc->tulip_xname); 5200 } else { 5201 int s; 5202 void (*intr_rtn)(void *) = tulip_intr_normal; 5203 5204 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5205 intr_rtn = tulip_intr_shared; 5206 5207 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5208 void *ih; 5209 5210 rid = 0; 5211 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 5212 RF_SHAREABLE | RF_ACTIVE); 5213 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5214 intr_rtn, sc, &ih)) { 5215 printf("%s: couldn't map interrupt\n", 5216 sc->tulip_xname); 5217 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5218 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5219 return ENXIO; 5220 } 5221 } 5222 #if defined(TULIP_USE_SOFTINTR) 5223 if (sc->tulip_unit > tulip_softintr_max_unit) 5224 tulip_softintr_max_unit = sc->tulip_unit; 5225 #endif 5226 5227 s = splimp(); 5228 #if defined(__alpha__) 5229 sc->tulip_media = media; 5230 #endif 5231 tulip_attach(sc); 5232 #if defined(__alpha__) 5233 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5234 tulip_linkup(sc, media); 5235 #endif 5236 splx(s); 5237 } 5238 return 0; 5239 } 5240 5241 static device_method_t tulip_pci_methods[] = { 5242 /* Device interface */ 5243 DEVMETHOD(device_probe, tulip_pci_probe), 5244 DEVMETHOD(device_attach, tulip_pci_attach), 5245 DEVMETHOD(device_shutdown, tulip_shutdown), 5246 { 0, 0 } 5247 }; 5248 static driver_t tulip_pci_driver = { 5249 "de", 5250 tulip_pci_methods, 5251 sizeof(tulip_softc_t), 5252 }; 5253 static devclass_t tulip_devclass; 5254 DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 5255