fxr.watson.org: FREEBSD-4-STABLE sys/pci/if

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sys/pci/if_de.c

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1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3 /* $FreeBSD$ */ 4 5 /*- 6 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 29 * 30 */ 31 32 /* 33 * DEC 21040 PCI Ethernet Controller 34 * 35 * Written by Matt Thomas 36 * BPF support code stolen directly from if_ec.c 37 * 38 * This driver supports the DEC DE435 or any other PCI 39 * board which support 21040, 21041, or 21140 (mostly). 40 */ 41 #define TULIP_HDR_DATA 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/mbuf.h> 46 #include <sys/socket.h> 47 #include <sys/sockio.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/eventhandler.h> 51 #include <machine/clock.h> 52 #include <machine/bus.h> 53 #include <machine/resource.h> 54 #include <sys/bus.h> 55 #include <sys/rman.h> 56 57 #include "opt_inet.h" 58 #include "opt_ipx.h" 59 60 #include <net/if.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 #ifdef IPX 75 #include <netipx/ipx.h> 76 #include <netipx/ipx_if.h> 77 #endif 78 79 #ifdef NS 80 #include <netns/ns.h> 81 #include <netns/ns_if.h> 82 #endif 83 84 #include <vm/vm.h> 85 86 #include <net/if_var.h> 87 #include <vm/pmap.h> 88 #include <pci/pcivar.h> 89 #include <pci/pcireg.h> 90 #include <pci/dc21040reg.h> 91 92 /* 93 * Intel CPUs should use I/O mapped access. 94 */ 95 #if defined(__i386__) 96 #define TULIP_IOMAPPED 97 #endif 98 99 #if 0 100 /* 101 * This turns on all sort of debugging stuff and make the 102 * driver much larger. 103 */ 104 #define TULIP_DEBUG 105 #endif 106 107 #if 0 108 #define TULIP_PERFSTATS 109 #endif 110 111 #if 0 112 #define TULIP_USE_SOFTINTR 113 #endif 114 115 #define TULIP_HZ 10 116 117 #include <pci/if_devar.h> 118 119 /* 120 * This module supports 121 * the DEC 21040 PCI Ethernet Controller. 122 * the DEC 21041 PCI Ethernet Controller. 123 * the DEC 21140 PCI Fast Ethernet Controller. 124 */ 125 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 126 static void tulip_intr_shared(void *arg); 127 static void tulip_intr_normal(void *arg); 128 static void tulip_init(tulip_softc_t * const sc); 129 static void tulip_reset(tulip_softc_t * const sc); 130 static void tulip_ifstart_one(struct ifnet *ifp); 131 static void tulip_ifstart(struct ifnet *ifp); 132 static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 133 static void tulip_txput_setup(tulip_softc_t * const sc); 134 static void tulip_rx_intr(tulip_softc_t * const sc); 135 static void tulip_addr_filter(tulip_softc_t * const sc); 136 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 137 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 138 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 139 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 140 static int tulip_srom_decode(tulip_softc_t * const sc); 141 static int tulip_ifmedia_change(struct ifnet * const ifp); 142 static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 143 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 144 145 static void 146 tulip_timeout_callback( 147 void *arg) 148 { 149 tulip_softc_t * const sc = arg; 150 int s = splimp(); 151 152 TULIP_PERFSTART(timeout) 153 154 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 155 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 156 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 157 158 TULIP_PERFEND(timeout); 159 splx(s); 160 } 161 162 static void 163 tulip_timeout( 164 tulip_softc_t * const sc) 165 { 166 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 167 return; 168 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 169 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 170 } 171 172 #if defined(TULIP_NEED_FASTTIMEOUT) 173 static void 174 tulip_fasttimeout_callback( 175 void *arg) 176 { 177 tulip_softc_t * const sc = arg; 178 int s = splimp(); 179 180 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 181 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 182 splx(s); 183 } 184 185 static void 186 tulip_fasttimeout( 187 tulip_softc_t * const sc) 188 { 189 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 190 return; 191 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 192 timeout(tulip_fasttimeout_callback, sc, 1); 193 } 194 #endif 195 196 static int 197 tulip_txprobe( 198 tulip_softc_t * const sc) 199 { 200 struct mbuf *m; 201 /* 202 * Before we are sure this is the right media we need 203 * to send a small packet to make sure there's carrier. 204 * Strangely, BNC and AUI will "see" receive data if 205 * either is connected so the transmit is the only way 206 * to verify the connectivity. 207 */ 208 MGETHDR(m, M_DONTWAIT, MT_DATA); 209 if (m == NULL) 210 return 0; 211 /* 212 * Construct a LLC TEST message which will point to ourselves. 213 */ 214 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 215 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 216 mtod(m, struct ether_header *)->ether_type = htons(3); 217 mtod(m, unsigned char *)[14] = 0; 218 mtod(m, unsigned char *)[15] = 0; 219 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 220 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 221 /* 222 * send it! 223 */ 224 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 225 sc->tulip_intrmask |= TULIP_STS_TXINTR; 226 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 227 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 228 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 229 if ((m = tulip_txput(sc, m)) != NULL) 230 m_freem(m); 231 sc->tulip_probe.probe_txprobes++; 232 return 1; 233 } 234 235 #ifdef BIG_PACKET 236 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 237 #else 238 #define TULIP_SIAGEN_WATCHDOG 0 239 #endif 240 241 static void 242 tulip_media_set( 243 tulip_softc_t * const sc, 244 tulip_media_t media) 245 { 246 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 247 248 if (mi == NULL) 249 return; 250 251 /* 252 * If we are switching media, make sure we don't think there's 253 * any stale RX activity 254 */ 255 sc->tulip_flags &= ~TULIP_RXACT; 256 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 257 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 258 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 259 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 260 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 261 DELAY(50); 262 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 263 } else { 264 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 265 } 266 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 267 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 268 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 269 /* 270 * If the cmdmode bits don't match the currently operating mode, 271 * set the cmdmode appropriately and reset the chip. 272 */ 273 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 274 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 275 sc->tulip_cmdmode |= mi->mi_cmdmode; 276 tulip_reset(sc); 277 } 278 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 279 DELAY(10); 280 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 281 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 282 /* 283 * If the cmdmode bits don't match the currently operating mode, 284 * set the cmdmode appropriately and reset the chip. 285 */ 286 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 287 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 288 sc->tulip_cmdmode |= mi->mi_cmdmode; 289 tulip_reset(sc); 290 } 291 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 292 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 293 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 294 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 295 int idx; 296 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 297 const u_int8_t *dp; 298 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 299 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 300 DELAY(10); 301 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 302 } 303 sc->tulip_phyaddr = mi->mi_phyaddr; 304 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 305 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 306 DELAY(10); 307 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 308 } 309 } else { 310 for (idx = 0; idx < mi->mi_reset_length; idx++) { 311 DELAY(10); 312 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 313 } 314 sc->tulip_phyaddr = mi->mi_phyaddr; 315 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 316 DELAY(10); 317 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 318 } 319 } 320 if (sc->tulip_flags & TULIP_TRYNWAY) { 321 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 322 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 323 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 324 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 325 sc->tulip_flags &= ~TULIP_DIDNWAY; 326 if (TULIP_IS_MEDIA_FD(media)) 327 data |= PHYCTL_FULL_DUPLEX; 328 if (TULIP_IS_MEDIA_100MB(media)) 329 data |= PHYCTL_SELECT_100MB; 330 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 331 } 332 } 333 } 334 335 static void 336 tulip_linkup( 337 tulip_softc_t * const sc, 338 tulip_media_t media) 339 { 340 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 341 sc->tulip_flags |= TULIP_PRINTLINKUP; 342 sc->tulip_flags |= TULIP_LINKUP; 343 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 344 #if 0 /* XXX how does with work with ifmedia? */ 345 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 346 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 347 if (TULIP_CAN_MEDIA_FD(media) 348 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 349 media = TULIP_FD_MEDIA_OF(media); 350 } else { 351 if (TULIP_IS_MEDIA_FD(media) 352 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 353 media = TULIP_HD_MEDIA_OF(media); 354 } 355 } 356 #endif 357 if (sc->tulip_media != media) { 358 #ifdef TULIP_DEBUG 359 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 360 #endif 361 sc->tulip_media = media; 362 sc->tulip_flags |= TULIP_PRINTMEDIA; 363 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 364 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 365 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 366 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 367 } 368 } 369 /* 370 * We could set probe_timeout to 0 but setting to 3000 puts this 371 * in one central place and the only matters is tulip_link is 372 * followed by a tulip_timeout. Therefore setting it should not 373 * result in aberrant behavour. 374 */ 375 sc->tulip_probe_timeout = 3000; 376 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 377 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 378 if (sc->tulip_flags & TULIP_INRESET) { 379 tulip_media_set(sc, sc->tulip_media); 380 } else if (sc->tulip_probe_media != sc->tulip_media) { 381 /* 382 * No reason to change media if we have the right media. 383 */ 384 tulip_reset(sc); 385 } 386 tulip_init(sc); 387 } 388 389 static void 390 tulip_media_print( 391 tulip_softc_t * const sc) 392 { 393 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 394 return; 395 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 396 printf("%s%d: enabling %s port\n", 397 sc->tulip_name, sc->tulip_unit, 398 tulip_mediums[sc->tulip_media]); 399 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 400 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 401 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 402 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 403 } 404 } 405 406 #if defined(TULIP_DO_GPR_SENSE) 407 static tulip_media_t 408 tulip_21140_gpr_media_sense( 409 tulip_softc_t * const sc) 410 { 411 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 412 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 413 tulip_media_t media; 414 415 /* 416 * If one of the media blocks contained a default media flag, 417 * use that. 418 */ 419 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 420 const tulip_media_info_t *mi; 421 /* 422 * Media is not supported (or is full-duplex). 423 */ 424 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 425 continue; 426 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 427 continue; 428 429 /* 430 * Remember the media is this is the "default" media. 431 */ 432 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 433 maybe_media = media; 434 435 /* 436 * No activity mask? Can't see if it is active if there's no mask. 437 */ 438 if (mi->mi_actmask == 0) 439 continue; 440 441 /* 442 * Does the activity data match? 443 */ 444 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 445 continue; 446 447 #if defined(TULIP_DEBUG) 448 printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 449 sc->tulip_name, sc->tulip_unit, tulip_mediums[media], 450 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 451 mi->mi_actmask, mi->mi_actdata); 452 #endif 453 /* 454 * It does! If this is the first media we detected, then 455 * remember this media. If isn't the first, then there were 456 * multiple matches which we equate to no match (since we don't 457 * which to select (if any). 458 */ 459 if (last_media == TULIP_MEDIA_UNKNOWN) { 460 last_media = media; 461 } else if (last_media != media) { 462 last_media = TULIP_MEDIA_UNKNOWN; 463 } 464 } 465 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 466 } 467 #endif /* TULIP_DO_GPR_SENSE */ 468 469 static tulip_link_status_t 470 tulip_media_link_monitor( 471 tulip_softc_t * const sc) 472 { 473 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 474 tulip_link_status_t linkup = TULIP_LINK_DOWN; 475 476 if (mi == NULL) { 477 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 478 panic("tulip_media_link_monitor: %s: botch at line %d\n", 479 tulip_mediums[sc->tulip_media],__LINE__); 480 #endif 481 return TULIP_LINK_UNKNOWN; 482 } 483 484 485 /* 486 * Have we seen some packets? If so, the link must be good. 487 */ 488 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 489 sc->tulip_flags &= ~TULIP_RXACT; 490 sc->tulip_probe_timeout = 3000; 491 return TULIP_LINK_UP; 492 } 493 494 sc->tulip_flags &= ~TULIP_RXACT; 495 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 496 u_int32_t status; 497 /* 498 * Read the PHY status register. 499 */ 500 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 501 if (status & PHYSTS_AUTONEG_DONE) { 502 /* 503 * If the PHY has completed autonegotiation, see the if the 504 * remote systems abilities have changed. If so, upgrade or 505 * downgrade as appropriate. 506 */ 507 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 508 abilities = (abilities << 6) & status; 509 if (abilities != sc->tulip_abilities) { 510 #if defined(TULIP_DEBUG) 511 loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 512 sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr, 513 sc->tulip_abilities, abilities); 514 #endif 515 if (tulip_mii_map_abilities(sc, abilities)) { 516 tulip_linkup(sc, sc->tulip_probe_media); 517 return TULIP_LINK_UP; 518 } 519 /* 520 * if we had selected media because of autonegotiation, 521 * we need to probe for the new media. 522 */ 523 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 524 if (sc->tulip_flags & TULIP_DIDNWAY) 525 return TULIP_LINK_DOWN; 526 } 527 } 528 /* 529 * The link is now up. If was down, say its back up. 530 */ 531 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 532 linkup = TULIP_LINK_UP; 533 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 534 /* 535 * No activity sensor? Assume all's well. 536 */ 537 if (mi->mi_actmask == 0) 538 return TULIP_LINK_UNKNOWN; 539 /* 540 * Does the activity data match? 541 */ 542 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 543 linkup = TULIP_LINK_UP; 544 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 545 /* 546 * Assume non TP ok for now. 547 */ 548 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 549 return TULIP_LINK_UNKNOWN; 550 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 551 linkup = TULIP_LINK_UP; 552 #if defined(TULIP_DEBUG) 553 if (sc->tulip_probe_timeout <= 0) 554 printf("%s%d: sia status = 0x%08x\n", sc->tulip_name, 555 sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status)); 556 #endif 557 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 558 return TULIP_LINK_UNKNOWN; 559 } 560 /* 561 * We will wait for 3 seconds until the link goes into suspect mode. 562 */ 563 if (sc->tulip_flags & TULIP_LINKUP) { 564 if (linkup == TULIP_LINK_UP) 565 sc->tulip_probe_timeout = 3000; 566 if (sc->tulip_probe_timeout > 0) 567 return TULIP_LINK_UP; 568 569 sc->tulip_flags &= ~TULIP_LINKUP; 570 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 571 } 572 #if defined(TULIP_DEBUG) 573 sc->tulip_dbg.dbg_link_downed++; 574 #endif 575 return TULIP_LINK_DOWN; 576 } 577 578 static void 579 tulip_media_poll( 580 tulip_softc_t * const sc, 581 tulip_mediapoll_event_t event) 582 { 583 #if defined(TULIP_DEBUG) 584 sc->tulip_dbg.dbg_events[event]++; 585 #endif 586 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 587 && event == TULIP_MEDIAPOLL_TIMER) { 588 switch (tulip_media_link_monitor(sc)) { 589 case TULIP_LINK_DOWN: { 590 /* 591 * Link Monitor failed. Probe for new media. 592 */ 593 event = TULIP_MEDIAPOLL_LINKFAIL; 594 break; 595 } 596 case TULIP_LINK_UP: { 597 /* 598 * Check again soon. 599 */ 600 tulip_timeout(sc); 601 return; 602 } 603 case TULIP_LINK_UNKNOWN: { 604 /* 605 * We can't tell so don't bother. 606 */ 607 return; 608 } 609 } 610 } 611 612 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 613 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 614 if (TULIP_DO_AUTOSENSE(sc)) { 615 #if defined(TULIP_DEBUG) 616 sc->tulip_dbg.dbg_link_failures++; 617 #endif 618 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 619 if (sc->tulip_if.if_flags & IFF_UP) 620 tulip_reset(sc); /* restart probe */ 621 } 622 return; 623 } 624 #if defined(TULIP_DEBUG) 625 sc->tulip_dbg.dbg_link_pollintrs++; 626 #endif 627 } 628 629 if (event == TULIP_MEDIAPOLL_START) { 630 sc->tulip_if.if_flags |= IFF_OACTIVE; 631 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 632 return; 633 sc->tulip_probe_mediamask = 0; 634 sc->tulip_probe_passes = 0; 635 #if defined(TULIP_DEBUG) 636 sc->tulip_dbg.dbg_media_probes++; 637 #endif 638 /* 639 * If the SROM contained an explicit media to use, use it. 640 */ 641 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 642 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 643 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 644 /* 645 * connidx is defaulted to a media_unknown type. 646 */ 647 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 648 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 649 tulip_linkup(sc, sc->tulip_probe_media); 650 tulip_timeout(sc); 651 return; 652 } 653 654 if (sc->tulip_features & TULIP_HAVE_GPR) { 655 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 656 sc->tulip_probe_timeout = 2000; 657 } else { 658 sc->tulip_probe_media = TULIP_MEDIA_MAX; 659 sc->tulip_probe_timeout = 0; 660 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 661 } 662 } 663 664 /* 665 * Ignore txprobe failures or spurious callbacks. 666 */ 667 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 668 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 669 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 670 return; 671 } 672 673 /* 674 * If we really transmitted a packet, then that's the media we'll use. 675 */ 676 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 677 if (event == TULIP_MEDIAPOLL_LINKPASS) { 678 /* XXX Check media status just to be sure */ 679 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 680 #if defined(TULIP_DEBUG) 681 } else { 682 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 683 #endif 684 } 685 tulip_linkup(sc, sc->tulip_probe_media); 686 tulip_timeout(sc); 687 return; 688 } 689 690 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 691 #if defined(TULIP_DO_GPR_SENSE) 692 /* 693 * Check for media via the general purpose register. 694 * 695 * Try to sense the media via the GPR. If the same value 696 * occurs 3 times in a row then just use that. 697 */ 698 if (sc->tulip_probe_timeout > 0) { 699 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 700 #if defined(TULIP_DEBUG) 701 printf("%s%d: media_poll: gpr sensing = %s\n", 702 sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]); 703 #endif 704 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 705 if (new_probe_media == sc->tulip_probe_media) { 706 if (--sc->tulip_probe_count == 0) 707 tulip_linkup(sc, sc->tulip_probe_media); 708 } else { 709 sc->tulip_probe_count = 10; 710 } 711 } 712 sc->tulip_probe_media = new_probe_media; 713 tulip_timeout(sc); 714 return; 715 } 716 #endif /* TULIP_DO_GPR_SENSE */ 717 /* 718 * Brute force. We cycle through each of the media types 719 * and try to transmit a packet. 720 */ 721 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 722 sc->tulip_probe_media = TULIP_MEDIA_MAX; 723 sc->tulip_probe_timeout = 0; 724 tulip_timeout(sc); 725 return; 726 } 727 728 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 729 && (sc->tulip_features & TULIP_HAVE_MII)) { 730 tulip_media_t old_media = sc->tulip_probe_media; 731 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 732 switch (sc->tulip_probe_state) { 733 case TULIP_PROBE_FAILED: 734 case TULIP_PROBE_MEDIATEST: { 735 /* 736 * Try the next media. 737 */ 738 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 739 sc->tulip_probe_timeout = 0; 740 #ifdef notyet 741 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 742 break; 743 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 744 break; 745 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 746 #endif 747 break; 748 } 749 case TULIP_PROBE_PHYAUTONEG: { 750 return; 751 } 752 case TULIP_PROBE_INACTIVE: { 753 /* 754 * Only probe if we autonegotiated a media that hasn't failed. 755 */ 756 sc->tulip_probe_timeout = 0; 757 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 758 sc->tulip_probe_media = old_media; 759 break; 760 } 761 tulip_linkup(sc, sc->tulip_probe_media); 762 tulip_timeout(sc); 763 return; 764 } 765 default: { 766 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 767 panic("tulip_media_poll: botch at line %d\n", __LINE__); 768 #endif 769 break; 770 } 771 } 772 } 773 774 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 775 #if defined(TULIP_DEBUG) 776 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 777 #endif 778 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 779 return; 780 } 781 782 /* 783 * switch to another media if we tried this one enough. 784 */ 785 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 786 #if defined(TULIP_DEBUG) 787 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 788 printf("%s%d: poll media unknown!\n", 789 sc->tulip_name, sc->tulip_unit); 790 sc->tulip_probe_media = TULIP_MEDIA_MAX; 791 } 792 #endif 793 /* 794 * Find the next media type to check for. Full Duplex 795 * types are not allowed. 796 */ 797 do { 798 sc->tulip_probe_media -= 1; 799 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 800 if (++sc->tulip_probe_passes == 3) { 801 printf("%s%d: autosense failed: cable problem?\n", 802 sc->tulip_name, sc->tulip_unit); 803 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 804 sc->tulip_if.if_flags &= ~IFF_RUNNING; 805 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 806 return; 807 } 808 } 809 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 810 sc->tulip_probe_mediamask = 0; 811 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 812 } 813 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 814 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 815 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 816 817 #if defined(TULIP_DEBUG) 818 printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit, 819 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 820 tulip_mediums[sc->tulip_probe_media]); 821 #endif 822 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 823 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 824 sc->tulip_probe.probe_txprobes = 0; 825 tulip_reset(sc); 826 tulip_media_set(sc, sc->tulip_probe_media); 827 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 828 } 829 tulip_timeout(sc); 830 831 /* 832 * If this is hanging off a phy, we know are doing NWAY and we have 833 * forced the phy to a specific speed. Wait for link up before 834 * before sending a packet. 835 */ 836 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 837 case TULIP_MEDIAINFO_MII: { 838 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 839 return; 840 break; 841 } 842 case TULIP_MEDIAINFO_SIA: { 843 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 844 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 845 return; 846 tulip_linkup(sc, sc->tulip_probe_media); 847 #ifdef notyet 848 if (sc->tulip_features & TULIP_HAVE_MII) 849 tulip_timeout(sc); 850 #endif 851 return; 852 } 853 break; 854 } 855 case TULIP_MEDIAINFO_RESET: 856 case TULIP_MEDIAINFO_SYM: 857 case TULIP_MEDIAINFO_NONE: 858 case TULIP_MEDIAINFO_GPR: { 859 break; 860 } 861 } 862 /* 863 * Try to send a packet. 864 */ 865 tulip_txprobe(sc); 866 } 867 868 static void 869 tulip_media_select( 870 tulip_softc_t * const sc) 871 { 872 if (sc->tulip_features & TULIP_HAVE_GPR) { 873 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 874 DELAY(10); 875 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 876 } 877 /* 878 * If this board has no media, just return 879 */ 880 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 881 return; 882 883 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 884 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 885 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 886 } else { 887 tulip_media_set(sc, sc->tulip_media); 888 } 889 } 890 891 static void 892 tulip_21040_mediainfo_init( 893 tulip_softc_t * const sc, 894 tulip_media_t media) 895 { 896 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 897 |TULIP_CMD_BACKOFFCTR; 898 sc->tulip_if.if_baudrate = 10000000; 899 900 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 901 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 902 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 903 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 904 } 905 906 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 907 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 908 } 909 910 if (media == TULIP_MEDIA_UNKNOWN) { 911 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 912 } 913 } 914 915 static void 916 tulip_21040_media_probe( 917 tulip_softc_t * const sc) 918 { 919 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 920 return; 921 } 922 923 static void 924 tulip_21040_10baset_only_media_probe( 925 tulip_softc_t * const sc) 926 { 927 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 928 tulip_media_set(sc, TULIP_MEDIA_10BASET); 929 sc->tulip_media = TULIP_MEDIA_10BASET; 930 } 931 932 static void 933 tulip_21040_10baset_only_media_select( 934 tulip_softc_t * const sc) 935 { 936 sc->tulip_flags |= TULIP_LINKUP; 937 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 938 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 939 sc->tulip_flags &= ~TULIP_SQETEST; 940 } else { 941 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 942 sc->tulip_flags |= TULIP_SQETEST; 943 } 944 tulip_media_set(sc, sc->tulip_media); 945 } 946 947 static void 948 tulip_21040_auibnc_only_media_probe( 949 tulip_softc_t * const sc) 950 { 951 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 952 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 953 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 954 sc->tulip_media = TULIP_MEDIA_AUIBNC; 955 } 956 957 static void 958 tulip_21040_auibnc_only_media_select( 959 tulip_softc_t * const sc) 960 { 961 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 962 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 963 } 964 965 static const tulip_boardsw_t tulip_21040_boardsw = { 966 TULIP_21040_GENERIC, 967 tulip_21040_media_probe, 968 tulip_media_select, 969 tulip_media_poll, 970 }; 971 972 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 973 TULIP_21040_GENERIC, 974 tulip_21040_10baset_only_media_probe, 975 tulip_21040_10baset_only_media_select, 976 NULL, 977 }; 978 979 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 980 TULIP_21040_GENERIC, 981 tulip_21040_auibnc_only_media_probe, 982 tulip_21040_auibnc_only_media_select, 983 NULL, 984 }; 985 986 static void 987 tulip_21041_mediainfo_init( 988 tulip_softc_t * const sc) 989 { 990 tulip_media_info_t * const mi = sc->tulip_mediainfo; 991 992 #ifdef notyet 993 if (sc->tulip_revinfo >= 0x20) { 994 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 995 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 996 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 997 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 998 return; 999 } 1000 #endif 1001 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1002 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1003 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1004 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1005 } 1006 1007 static void 1008 tulip_21041_media_probe( 1009 tulip_softc_t * const sc) 1010 { 1011 sc->tulip_if.if_baudrate = 10000000; 1012 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1013 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1014 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1015 tulip_21041_mediainfo_init(sc); 1016 } 1017 1018 static void 1019 tulip_21041_media_poll( 1020 tulip_softc_t * const sc, 1021 const tulip_mediapoll_event_t event) 1022 { 1023 u_int32_t sia_status; 1024 1025 #if defined(TULIP_DEBUG) 1026 sc->tulip_dbg.dbg_events[event]++; 1027 #endif 1028 1029 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1030 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1031 || !TULIP_DO_AUTOSENSE(sc)) 1032 return; 1033 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1034 tulip_reset(sc); /* start probe */ 1035 return; 1036 } 1037 1038 /* 1039 * If we've been been asked to start a poll or link change interrupt 1040 * restart the probe (and reset the tulip to a known state). 1041 */ 1042 if (event == TULIP_MEDIAPOLL_START) { 1043 sc->tulip_if.if_flags |= IFF_OACTIVE; 1044 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1045 #ifdef notyet 1046 if (sc->tulip_revinfo >= 0x20) { 1047 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1048 sc->tulip_flags |= TULIP_DIDNWAY; 1049 } 1050 #endif 1051 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1052 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1053 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1054 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1055 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1056 tulip_timeout(sc); 1057 return; 1058 } 1059 1060 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1061 return; 1062 1063 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1064 #if defined(TULIP_DEBUG) 1065 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1066 #endif 1067 tulip_linkup(sc, sc->tulip_probe_media); 1068 return; 1069 } 1070 1071 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1072 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1073 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1074 if (sc->tulip_revinfo >= 0x20) { 1075 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1076 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1077 } 1078 /* 1079 * If the link has passed LinkPass, 10baseT is the 1080 * proper media to use. 1081 */ 1082 tulip_linkup(sc, sc->tulip_probe_media); 1083 return; 1084 } 1085 1086 /* 1087 * wait for up to 2.4 seconds for the link to reach pass state. 1088 * Only then start scanning the other media for activity. 1089 * choose media with receive activity over those without. 1090 */ 1091 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1092 if (event != TULIP_MEDIAPOLL_TIMER) 1093 return; 1094 if (sc->tulip_probe_timeout > 0 1095 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1096 tulip_timeout(sc); 1097 return; 1098 } 1099 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1100 sc->tulip_flags |= TULIP_WANTRXACT; 1101 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1102 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1103 } else { 1104 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1105 } 1106 tulip_media_set(sc, sc->tulip_probe_media); 1107 tulip_timeout(sc); 1108 return; 1109 } 1110 1111 /* 1112 * If we failed, clear the txprobe active flag. 1113 */ 1114 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1115 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1116 1117 1118 if (event == TULIP_MEDIAPOLL_TIMER) { 1119 /* 1120 * If we've received something, then that's our link! 1121 */ 1122 if (sc->tulip_flags & TULIP_RXACT) { 1123 tulip_linkup(sc, sc->tulip_probe_media); 1124 return; 1125 } 1126 /* 1127 * if no txprobe active 1128 */ 1129 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1130 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1131 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1132 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1133 tulip_txprobe(sc); 1134 tulip_timeout(sc); 1135 return; 1136 } 1137 /* 1138 * Take 2 passes through before deciding to not 1139 * wait for receive activity. Then take another 1140 * two passes before spitting out a warning. 1141 */ 1142 if (sc->tulip_probe_timeout <= 0) { 1143 if (sc->tulip_flags & TULIP_WANTRXACT) { 1144 sc->tulip_flags &= ~TULIP_WANTRXACT; 1145 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1146 } else { 1147 printf("%s%d: autosense failed: cable problem?\n", 1148 sc->tulip_name, sc->tulip_unit); 1149 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1150 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1151 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1152 return; 1153 } 1154 } 1155 } 1156 } 1157 1158 /* 1159 * Since this media failed to probe, try the other one. 1160 */ 1161 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1162 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1163 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1164 } else { 1165 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1166 } 1167 tulip_media_set(sc, sc->tulip_probe_media); 1168 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1169 tulip_timeout(sc); 1170 } 1171 1172 static const tulip_boardsw_t tulip_21041_boardsw = { 1173 TULIP_21041_GENERIC, 1174 tulip_21041_media_probe, 1175 tulip_media_select, 1176 tulip_21041_media_poll 1177 }; 1178 1179 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1180 { 0x20005c00, 0, /* 08-00-17 */ 1181 { 1182 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1183 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1184 }, 1185 #if defined(TULIP_DEBUG) 1186 "NS DP83840", 1187 #endif 1188 }, 1189 { 0x0281F400, 0, /* 00-A0-7D */ 1190 { 1191 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1192 { }, /* 100TX */ 1193 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1194 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1195 }, 1196 #if defined(TULIP_DEBUG) 1197 "Seeq 80C240" 1198 #endif 1199 }, 1200 #if 0 1201 { 0x0015F420, 0, /* 00-A0-7D */ 1202 { 1203 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1204 { }, /* 100TX */ 1205 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1206 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1207 }, 1208 #if defined(TULIP_DEBUG) 1209 "Broadcom BCM5000" 1210 #endif 1211 }, 1212 #endif 1213 { 0x0281F400, 0, /* 00-A0-BE */ 1214 { 1215 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1216 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1217 { }, /* 100T4 */ 1218 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1219 }, 1220 #if defined(TULIP_DEBUG) 1221 "ICS 1890" 1222 #endif 1223 }, 1224 { 0 } 1225 }; 1226 1227 static tulip_media_t 1228 tulip_mii_phy_readspecific( 1229 tulip_softc_t * const sc) 1230 { 1231 const tulip_phy_attr_t *attr; 1232 u_int16_t data; 1233 u_int32_t id; 1234 unsigned idx = 0; 1235 static const tulip_media_t table[] = { 1236 TULIP_MEDIA_UNKNOWN, 1237 TULIP_MEDIA_10BASET, 1238 TULIP_MEDIA_100BASETX, 1239 TULIP_MEDIA_100BASET4, 1240 TULIP_MEDIA_UNKNOWN, 1241 TULIP_MEDIA_10BASET_FD, 1242 TULIP_MEDIA_100BASETX_FD, 1243 TULIP_MEDIA_UNKNOWN 1244 }; 1245 1246 /* 1247 * Don't read phy specific registers if link is not up. 1248 */ 1249 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1250 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1251 return TULIP_MEDIA_UNKNOWN; 1252 1253 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1254 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1255 for (attr = tulip_mii_phy_attrlist;; attr++) { 1256 if (attr->attr_id == 0) 1257 return TULIP_MEDIA_UNKNOWN; 1258 if ((id & ~0x0F) == attr->attr_id) 1259 break; 1260 } 1261 1262 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1263 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1264 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1265 if ((data & pm->pm_mask) == pm->pm_value) 1266 idx = 2; 1267 } 1268 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1269 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1270 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1271 if ((data & pm->pm_mask) == pm->pm_value) 1272 idx = 3; 1273 } 1274 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1275 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1276 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1277 if ((data & pm->pm_mask) == pm->pm_value) 1278 idx = 1; 1279 } 1280 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1281 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1282 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1283 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1284 } 1285 return table[idx]; 1286 } 1287 1288 static unsigned 1289 tulip_mii_get_phyaddr( 1290 tulip_softc_t * const sc, 1291 unsigned offset) 1292 { 1293 unsigned phyaddr; 1294 1295 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1296 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1297 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1298 continue; 1299 if (offset == 0) 1300 return phyaddr; 1301 offset--; 1302 } 1303 if (offset == 0) { 1304 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1305 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1306 return TULIP_MII_NOPHY; 1307 return 0; 1308 } 1309 return TULIP_MII_NOPHY; 1310 } 1311 1312 static int 1313 tulip_mii_map_abilities( 1314 tulip_softc_t * const sc, 1315 unsigned abilities) 1316 { 1317 sc->tulip_abilities = abilities; 1318 if (abilities & PHYSTS_100BASETX_FD) { 1319 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1320 } else if (abilities & PHYSTS_100BASET4) { 1321 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1322 } else if (abilities & PHYSTS_100BASETX) { 1323 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1324 } else if (abilities & PHYSTS_10BASET_FD) { 1325 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1326 } else if (abilities & PHYSTS_10BASET) { 1327 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1328 } else { 1329 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1330 return 0; 1331 } 1332 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1333 return 1; 1334 } 1335 1336 static void 1337 tulip_mii_autonegotiate( 1338 tulip_softc_t * const sc, 1339 const unsigned phyaddr) 1340 { 1341 switch (sc->tulip_probe_state) { 1342 case TULIP_PROBE_MEDIATEST: 1343 case TULIP_PROBE_INACTIVE: { 1344 sc->tulip_flags |= TULIP_DIDNWAY; 1345 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1346 sc->tulip_probe_timeout = 3000; 1347 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1348 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1349 /* FALL THROUGH */ 1350 } 1351 case TULIP_PROBE_PHYRESET: { 1352 u_int32_t status; 1353 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1354 if (data & PHYCTL_RESET) { 1355 if (sc->tulip_probe_timeout > 0) { 1356 tulip_timeout(sc); 1357 return; 1358 } 1359 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1360 sc->tulip_name, sc->tulip_unit, phyaddr); 1361 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1362 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1363 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1364 return; 1365 } 1366 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1367 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1368 #if defined(TULIP_DEBUG) 1369 loudprintf("%s%d(phy%d): autonegotiation disabled\n", 1370 sc->tulip_name, sc->tulip_unit, phyaddr); 1371 #endif 1372 sc->tulip_flags &= ~TULIP_DIDNWAY; 1373 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1374 return; 1375 } 1376 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1377 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1378 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1379 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1380 #if defined(TULIP_DEBUG) 1381 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1382 loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1383 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1384 else 1385 loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n", 1386 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1387 sc->tulip_dbg.dbg_nway_starts++; 1388 #endif 1389 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1390 sc->tulip_probe_timeout = 3000; 1391 /* FALL THROUGH */ 1392 } 1393 case TULIP_PROBE_PHYAUTONEG: { 1394 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1395 u_int32_t data; 1396 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1397 if (sc->tulip_probe_timeout > 0) { 1398 tulip_timeout(sc); 1399 return; 1400 } 1401 #if defined(TULIP_DEBUG) 1402 loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1403 sc->tulip_name, sc->tulip_unit, phyaddr, status, 1404 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1405 #endif 1406 sc->tulip_flags &= ~TULIP_DIDNWAY; 1407 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1408 return; 1409 } 1410 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1411 #if defined(TULIP_DEBUG) 1412 loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n", 1413 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1414 #endif 1415 data = (data << 6) & status; 1416 if (!tulip_mii_map_abilities(sc, data)) 1417 sc->tulip_flags &= ~TULIP_DIDNWAY; 1418 return; 1419 } 1420 default: { 1421 #if defined(DIAGNOSTIC) 1422 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1423 #endif 1424 break; 1425 } 1426 } 1427 #if defined(TULIP_DEBUG) 1428 loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n", 1429 sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state); 1430 sc->tulip_dbg.dbg_nway_failures++; 1431 #endif 1432 } 1433 1434 static void 1435 tulip_2114x_media_preset( 1436 tulip_softc_t * const sc) 1437 { 1438 const tulip_media_info_t *mi = NULL; 1439 tulip_media_t media = sc->tulip_media; 1440 1441 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1442 media = sc->tulip_media; 1443 else 1444 media = sc->tulip_probe_media; 1445 1446 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1447 sc->tulip_flags &= ~TULIP_SQETEST; 1448 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1449 #if defined(TULIP_DEBUG) 1450 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1451 #endif 1452 mi = sc->tulip_mediums[media]; 1453 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1454 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1455 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1456 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1457 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1458 sc->tulip_cmdmode |= mi->mi_cmdmode; 1459 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1460 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1461 } 1462 #if defined(TULIP_DEBUG) 1463 } else { 1464 printf("%s%d: preset: bad media %d!\n", 1465 sc->tulip_name, sc->tulip_unit, media); 1466 } 1467 #endif 1468 } 1469 switch (media) { 1470 case TULIP_MEDIA_BNC: 1471 case TULIP_MEDIA_AUI: 1472 case TULIP_MEDIA_10BASET: { 1473 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1474 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1475 sc->tulip_if.if_baudrate = 10000000; 1476 sc->tulip_flags |= TULIP_SQETEST; 1477 break; 1478 } 1479 case TULIP_MEDIA_10BASET_FD: { 1480 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1481 sc->tulip_if.if_baudrate = 10000000; 1482 break; 1483 } 1484 case TULIP_MEDIA_100BASEFX: 1485 case TULIP_MEDIA_100BASET4: 1486 case TULIP_MEDIA_100BASETX: { 1487 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1488 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1489 sc->tulip_if.if_baudrate = 100000000; 1490 break; 1491 } 1492 case TULIP_MEDIA_100BASEFX_FD: 1493 case TULIP_MEDIA_100BASETX_FD: { 1494 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1495 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1496 sc->tulip_if.if_baudrate = 100000000; 1497 break; 1498 } 1499 default: { 1500 break; 1501 } 1502 } 1503 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1504 } 1505 1506 /* 1507 ******************************************************************** 1508 * Start of 21140/21140A support which does not use the MII interface 1509 */ 1510 1511 static void 1512 tulip_null_media_poll( 1513 tulip_softc_t * const sc, 1514 tulip_mediapoll_event_t event) 1515 { 1516 #if defined(TULIP_DEBUG) 1517 sc->tulip_dbg.dbg_events[event]++; 1518 #endif 1519 #if defined(DIAGNOSTIC) 1520 printf("%s%d: botch(media_poll) at line %d\n", 1521 sc->tulip_name, sc->tulip_unit, __LINE__); 1522 #endif 1523 } 1524 1525 __inline__ static void 1526 tulip_21140_mediainit( 1527 tulip_softc_t * const sc, 1528 tulip_media_info_t * const mip, 1529 tulip_media_t const media, 1530 unsigned gpdata, 1531 unsigned cmdmode) 1532 { 1533 sc->tulip_mediums[media] = mip; 1534 mip->mi_type = TULIP_MEDIAINFO_GPR; 1535 mip->mi_cmdmode = cmdmode; 1536 mip->mi_gpdata = gpdata; 1537 } 1538 1539 static void 1540 tulip_21140_evalboard_media_probe( 1541 tulip_softc_t * const sc) 1542 { 1543 tulip_media_info_t *mip = sc->tulip_mediainfo; 1544 1545 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1546 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1547 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1548 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1549 TULIP_CSR_WRITE(sc, csr_command, 1550 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1551 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1552 TULIP_CSR_WRITE(sc, csr_command, 1553 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1554 DELAY(1000000); 1555 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1556 sc->tulip_media = TULIP_MEDIA_10BASET; 1557 } else { 1558 sc->tulip_media = TULIP_MEDIA_100BASETX; 1559 } 1560 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1561 TULIP_GP_EB_INIT, 1562 TULIP_CMD_TXTHRSHLDCTL); 1563 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1564 TULIP_GP_EB_INIT, 1565 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1566 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1567 TULIP_GP_EB_INIT, 1568 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1569 |TULIP_CMD_SCRAMBLER); 1570 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1571 TULIP_GP_EB_INIT, 1572 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1573 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1574 } 1575 1576 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1577 TULIP_21140_DEC_EB, 1578 tulip_21140_evalboard_media_probe, 1579 tulip_media_select, 1580 tulip_null_media_poll, 1581 tulip_2114x_media_preset, 1582 }; 1583 1584 static void 1585 tulip_21140_accton_media_probe( 1586 tulip_softc_t * const sc) 1587 { 1588 tulip_media_info_t *mip = sc->tulip_mediainfo; 1589 unsigned gpdata; 1590 1591 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1592 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1593 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1594 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1595 TULIP_CSR_WRITE(sc, csr_command, 1596 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1597 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1598 TULIP_CSR_WRITE(sc, csr_command, 1599 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1600 DELAY(1000000); 1601 gpdata = TULIP_CSR_READ(sc, csr_gp); 1602 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1603 sc->tulip_media = TULIP_MEDIA_10BASET; 1604 } else { 1605 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1606 sc->tulip_media = TULIP_MEDIA_BNC; 1607 } else { 1608 sc->tulip_media = TULIP_MEDIA_100BASETX; 1609 } 1610 } 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1612 TULIP_GP_EN1207_BNC_INIT, 1613 TULIP_CMD_TXTHRSHLDCTL); 1614 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1615 TULIP_GP_EN1207_UTP_INIT, 1616 TULIP_CMD_TXTHRSHLDCTL); 1617 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1618 TULIP_GP_EN1207_UTP_INIT, 1619 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1620 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1621 TULIP_GP_EN1207_100_INIT, 1622 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1623 |TULIP_CMD_SCRAMBLER); 1624 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1625 TULIP_GP_EN1207_100_INIT, 1626 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1627 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1628 } 1629 1630 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1631 TULIP_21140_EN1207, 1632 tulip_21140_accton_media_probe, 1633 tulip_media_select, 1634 tulip_null_media_poll, 1635 tulip_2114x_media_preset, 1636 }; 1637 1638 static void 1639 tulip_21140_smc9332_media_probe( 1640 tulip_softc_t * const sc) 1641 { 1642 tulip_media_info_t *mip = sc->tulip_mediainfo; 1643 int idx, cnt = 0; 1644 1645 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1646 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1647 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1648 33MHz that comes to two microseconds but wait a 1649 bit longer anyways) */ 1650 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1651 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1652 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1653 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1654 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1655 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1656 DELAY(200000); 1657 for (idx = 1000; idx > 0; idx--) { 1658 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1659 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1660 if (++cnt > 100) 1661 break; 1662 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1663 break; 1664 } else { 1665 cnt = 0; 1666 } 1667 DELAY(1000); 1668 } 1669 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1670 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1671 TULIP_GP_SMC_9332_INIT, 1672 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1673 |TULIP_CMD_SCRAMBLER); 1674 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1675 TULIP_GP_SMC_9332_INIT, 1676 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1677 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1678 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1679 TULIP_GP_SMC_9332_INIT, 1680 TULIP_CMD_TXTHRSHLDCTL); 1681 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1682 TULIP_GP_SMC_9332_INIT, 1683 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1684 } 1685 1686 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1687 TULIP_21140_SMC_9332, 1688 tulip_21140_smc9332_media_probe, 1689 tulip_media_select, 1690 tulip_null_media_poll, 1691 tulip_2114x_media_preset, 1692 }; 1693 1694 static void 1695 tulip_21140_cogent_em100_media_probe( 1696 tulip_softc_t * const sc) 1697 { 1698 tulip_media_info_t *mip = sc->tulip_mediainfo; 1699 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1700 1701 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1702 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1703 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1704 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1705 1706 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1707 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1708 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1709 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1710 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1711 1712 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1713 TULIP_GP_EM100_INIT, 1714 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1715 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1716 TULIP_GP_EM100_INIT, 1717 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1718 |TULIP_CMD_FULLDUPLEX); 1719 } else { 1720 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1721 sc->tulip_media = TULIP_MEDIA_100BASETX; 1722 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1723 TULIP_GP_EM100_INIT, 1724 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1725 |TULIP_CMD_SCRAMBLER); 1726 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1727 TULIP_GP_EM100_INIT, 1728 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1729 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1730 } 1731 } 1732 1733 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1734 TULIP_21140_COGENT_EM100, 1735 tulip_21140_cogent_em100_media_probe, 1736 tulip_media_select, 1737 tulip_null_media_poll, 1738 tulip_2114x_media_preset 1739 }; 1740 1741 static void 1742 tulip_21140_znyx_zx34x_media_probe( 1743 tulip_softc_t * const sc) 1744 { 1745 tulip_media_info_t *mip = sc->tulip_mediainfo; 1746 int cnt10 = 0, cnt100 = 0, idx; 1747 1748 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1749 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1750 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1751 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1752 TULIP_CSR_WRITE(sc, csr_command, 1753 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1754 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1755 TULIP_CSR_WRITE(sc, csr_command, 1756 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1757 1758 DELAY(200000); 1759 for (idx = 1000; idx > 0; idx--) { 1760 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1761 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)) { 1762 if (++cnt100 > 100) 1763 break; 1764 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1765 if (++cnt10 > 100) 1766 break; 1767 } else { 1768 cnt10 = 0; 1769 cnt100 = 0; 1770 } 1771 DELAY(1000); 1772 } 1773 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1774 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1775 TULIP_GP_ZX34X_INIT, 1776 TULIP_CMD_TXTHRSHLDCTL); 1777 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1778 TULIP_GP_ZX34X_INIT, 1779 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1780 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1781 TULIP_GP_ZX34X_INIT, 1782 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1783 |TULIP_CMD_SCRAMBLER); 1784 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1785 TULIP_GP_ZX34X_INIT, 1786 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1787 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1788 } 1789 1790 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1791 TULIP_21140_ZNYX_ZX34X, 1792 tulip_21140_znyx_zx34x_media_probe, 1793 tulip_media_select, 1794 tulip_null_media_poll, 1795 tulip_2114x_media_preset, 1796 }; 1797 1798 static void 1799 tulip_2114x_media_probe( 1800 tulip_softc_t * const sc) 1801 { 1802 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1803 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1804 } 1805 1806 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1807 TULIP_21140_ISV, 1808 tulip_2114x_media_probe, 1809 tulip_media_select, 1810 tulip_media_poll, 1811 tulip_2114x_media_preset, 1812 }; 1813 1814 /* 1815 * ******** END of chip-specific handlers. *********** 1816 */ 1817 1818 /* 1819 * Code the read the SROM and MII bit streams (I2C) 1820 */ 1821 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1822 1823 static void 1824 tulip_srom_idle( 1825 tulip_softc_t * const sc) 1826 { 1827 unsigned bit, csr; 1828 1829 csr = SROMSEL ; EMIT; 1830 csr = SROMSEL | SROMRD; EMIT; 1831 csr ^= SROMCS; EMIT; 1832 csr ^= SROMCLKON; EMIT; 1833 1834 /* 1835 * Write 25 cycles of 0 which will force the SROM to be idle. 1836 */ 1837 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1838 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1839 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1840 } 1841 csr ^= SROMCLKOFF; EMIT; 1842 csr ^= SROMCS; EMIT; 1843 csr = 0; EMIT; 1844 } 1845 1846 1847 static void 1848 tulip_srom_read( 1849 tulip_softc_t * const sc) 1850 { 1851 unsigned idx; 1852 const unsigned bitwidth = SROM_BITWIDTH; 1853 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1854 const unsigned msb = 1 << (bitwidth + 3 - 1); 1855 unsigned lastidx = (1 << bitwidth) - 1; 1856 1857 tulip_srom_idle(sc); 1858 1859 for (idx = 0; idx <= lastidx; idx++) { 1860 unsigned lastbit, data, bits, bit, csr; 1861 csr = SROMSEL ; EMIT; 1862 csr = SROMSEL | SROMRD; EMIT; 1863 csr ^= SROMCSON; EMIT; 1864 csr ^= SROMCLKON; EMIT; 1865 1866 lastbit = 0; 1867 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1868 const unsigned thisbit = bits & msb; 1869 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1870 if (thisbit != lastbit) { 1871 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1872 } else { 1873 EMIT; 1874 } 1875 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1876 lastbit = thisbit; 1877 } 1878 csr ^= SROMCLKOFF; EMIT; 1879 1880 for (data = 0, bits = 0; bits < 16; bits++) { 1881 data <<= 1; 1882 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1883 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1884 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1885 } 1886 sc->tulip_rombuf[idx*2] = data & 0xFF; 1887 sc->tulip_rombuf[idx*2+1] = data >> 8; 1888 csr = SROMSEL | SROMRD; EMIT; 1889 csr = 0; EMIT; 1890 } 1891 tulip_srom_idle(sc); 1892 } 1893 1894 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1895 1896 static void 1897 tulip_mii_writebits( 1898 tulip_softc_t * const sc, 1899 unsigned data, 1900 unsigned bits) 1901 { 1902 unsigned msb = 1 << (bits - 1); 1903 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1904 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1905 1906 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1907 1908 for (; bits > 0; bits--, data <<= 1) { 1909 const unsigned thisbit = data & msb; 1910 if (thisbit != lastbit) { 1911 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1912 } 1913 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1914 lastbit = thisbit; 1915 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1916 } 1917 } 1918 1919 static void 1920 tulip_mii_turnaround( 1921 tulip_softc_t * const sc, 1922 unsigned cmd) 1923 { 1924 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1925 1926 if (cmd == MII_WRCMD) { 1927 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1928 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1929 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1930 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1931 } else { 1932 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1933 } 1934 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1935 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1936 } 1937 1938 static unsigned 1939 tulip_mii_readbits( 1940 tulip_softc_t * const sc) 1941 { 1942 unsigned data; 1943 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1944 int idx; 1945 1946 for (idx = 0, data = 0; idx < 16; idx++) { 1947 data <<= 1; /* this is NOOP on the first pass through */ 1948 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1949 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1950 data |= 1; 1951 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1952 } 1953 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1954 1955 return data; 1956 } 1957 1958 static unsigned 1959 tulip_mii_readreg( 1960 tulip_softc_t * const sc, 1961 unsigned devaddr, 1962 unsigned regno) 1963 { 1964 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1965 unsigned data; 1966 1967 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1968 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1969 tulip_mii_writebits(sc, MII_RDCMD, 8); 1970 tulip_mii_writebits(sc, devaddr, 5); 1971 tulip_mii_writebits(sc, regno, 5); 1972 tulip_mii_turnaround(sc, MII_RDCMD); 1973 1974 data = tulip_mii_readbits(sc); 1975 #if defined(TULIP_DEBUG) 1976 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1977 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1978 #endif 1979 return data; 1980 } 1981 1982 static void 1983 tulip_mii_writereg( 1984 tulip_softc_t * const sc, 1985 unsigned devaddr, 1986 unsigned regno, 1987 unsigned data) 1988 { 1989 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1990 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1991 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1992 tulip_mii_writebits(sc, MII_WRCMD, 8); 1993 tulip_mii_writebits(sc, devaddr, 5); 1994 tulip_mii_writebits(sc, regno, 5); 1995 tulip_mii_turnaround(sc, MII_WRCMD); 1996 tulip_mii_writebits(sc, data, 16); 1997 #if defined(TULIP_DEBUG) 1998 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1999 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2000 #endif 2001 } 2002 2003 #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2004 #define tulip_srom_crcok(databuf) ( \ 2005 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2006 ((databuf)[126] | ((databuf)[127] << 8))) 2007 2008 static unsigned 2009 tulip_crc32( 2010 const unsigned char *databuf, 2011 size_t datalen) 2012 { 2013 u_int idx, crc = 0xFFFFFFFFUL; 2014 static const u_int crctab[] = { 2015 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2016 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2017 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2018 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2019 }; 2020 2021 for (idx = 0; idx < datalen; idx++) { 2022 crc ^= *databuf++; 2023 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2024 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2025 } 2026 return crc; 2027 } 2028 2029 static void 2030 tulip_identify_dec_nic( 2031 tulip_softc_t * const sc) 2032 { 2033 strcpy(sc->tulip_boardid, "DEC "); 2034 #define D0 4 2035 if (sc->tulip_chipid <= TULIP_21040) 2036 return; 2037 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2038 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2039 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2040 sc->tulip_boardid[D0+8] = ' '; 2041 } 2042 #undef D0 2043 } 2044 2045 static void 2046 tulip_identify_znyx_nic( 2047 tulip_softc_t * const sc) 2048 { 2049 unsigned id = 0; 2050 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2051 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2052 unsigned znyx_ptr; 2053 sc->tulip_boardid[8] = '4'; 2054 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2055 if (znyx_ptr < 26 || znyx_ptr > 116) { 2056 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2057 return; 2058 } 2059 /* ZX344 = 0010 .. 0013FF 2060 */ 2061 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2062 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2063 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2064 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2065 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2066 sc->tulip_boardid[9] = '2'; 2067 if (id == TULIP_ZNYX_ID_ZX342B) { 2068 sc->tulip_boardid[10] = 'B'; 2069 sc->tulip_boardid[11] = ' '; 2070 } 2071 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2072 } else if (id == TULIP_ZNYX_ID_ZX344) { 2073 sc->tulip_boardid[10] = '4'; 2074 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2075 } else if (id == TULIP_ZNYX_ID_ZX345) { 2076 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2077 } else if (id == TULIP_ZNYX_ID_ZX346) { 2078 sc->tulip_boardid[9] = '6'; 2079 } else if (id == TULIP_ZNYX_ID_ZX351) { 2080 sc->tulip_boardid[8] = '5'; 2081 sc->tulip_boardid[9] = '1'; 2082 } 2083 } 2084 if (id == 0) { 2085 /* 2086 * Assume it's a ZX342... 2087 */ 2088 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2089 } 2090 return; 2091 } 2092 sc->tulip_boardid[8] = '1'; 2093 if (sc->tulip_chipid == TULIP_21041) { 2094 sc->tulip_boardid[10] = '1'; 2095 return; 2096 } 2097 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2098 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2099 if (id == TULIP_ZNYX_ID_ZX312T) { 2100 sc->tulip_boardid[9] = '2'; 2101 sc->tulip_boardid[10] = 'T'; 2102 sc->tulip_boardid[11] = ' '; 2103 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2104 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2105 sc->tulip_boardid[9] = '4'; 2106 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2107 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2108 } else if (id == TULIP_ZNYX_ID_ZX314) { 2109 sc->tulip_boardid[9] = '4'; 2110 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2111 sc->tulip_features |= TULIP_HAVE_BASEROM; 2112 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2113 sc->tulip_boardid[9] = '5'; 2114 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2115 } else if (id == TULIP_ZNYX_ID_ZX315) { 2116 sc->tulip_boardid[9] = '5'; 2117 sc->tulip_features |= TULIP_HAVE_BASEROM; 2118 } else { 2119 id = 0; 2120 } 2121 } 2122 if (id == 0) { 2123 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2124 sc->tulip_boardid[9] = '4'; 2125 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2126 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2127 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2128 sc->tulip_boardid[9] = '5'; 2129 sc->tulip_boardsw = &tulip_21040_boardsw; 2130 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2131 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2132 sc->tulip_boardid[9] = '2'; 2133 sc->tulip_boardsw = &tulip_21040_boardsw; 2134 } 2135 } 2136 } 2137 2138 static void 2139 tulip_identify_smc_nic( 2140 tulip_softc_t * const sc) 2141 { 2142 u_int32_t id1, id2, ei; 2143 int auibnc = 0, utp = 0; 2144 char *cp; 2145 2146 strcpy(sc->tulip_boardid, "SMC "); 2147 if (sc->tulip_chipid == TULIP_21041) 2148 return; 2149 if (sc->tulip_chipid != TULIP_21040) { 2150 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2151 strcpy(&sc->tulip_boardid[4], "9332DST "); 2152 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2153 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2154 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2155 } else { 2156 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2157 } 2158 return; 2159 } 2160 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2161 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2162 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2163 2164 strcpy(&sc->tulip_boardid[4], "8432"); 2165 cp = &sc->tulip_boardid[8]; 2166 if ((id1 & 1) == 0) 2167 *cp++ = 'B', auibnc = 1; 2168 if ((id1 & 0xFF) > 0x32) 2169 *cp++ = 'T', utp = 1; 2170 if ((id1 & 0x4000) == 0) 2171 *cp++ = 'A', auibnc = 1; 2172 if (id2 == 0x15) { 2173 sc->tulip_boardid[7] = '4'; 2174 *cp++ = '-'; 2175 *cp++ = 'C'; 2176 *cp++ = 'H'; 2177 *cp++ = (ei ? '2' : '1'); 2178 } 2179 *cp++ = ' '; 2180 *cp = '\0'; 2181 if (utp && !auibnc) 2182 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2183 else if (!utp && auibnc) 2184 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2185 } 2186 2187 static void 2188 tulip_identify_cogent_nic( 2189 tulip_softc_t * const sc) 2190 { 2191 strcpy(sc->tulip_boardid, "Cogent "); 2192 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2193 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2194 strcat(sc->tulip_boardid, "EM100TX "); 2195 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2196 #if defined(TULIP_COGENT_EM110TX_ID) 2197 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2198 strcat(sc->tulip_boardid, "EM110TX "); 2199 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2200 #endif 2201 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2202 strcat(sc->tulip_boardid, "EM100FX "); 2203 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2204 } 2205 /* 2206 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2207 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2208 */ 2209 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2210 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2211 /* 2212 * Cogent (Adaptec) is still mapping all INTs to INTA of 2213 * first 21140. Dumb! Dumb! 2214 */ 2215 strcat(sc->tulip_boardid, "EM440TX "); 2216 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2217 } 2218 } else if (sc->tulip_chipid == TULIP_21040) { 2219 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2220 } 2221 } 2222 2223 static void 2224 tulip_identify_accton_nic( 2225 tulip_softc_t * const sc) 2226 { 2227 strcpy(sc->tulip_boardid, "ACCTON "); 2228 switch (sc->tulip_chipid) { 2229 case TULIP_21140A: 2230 strcat(sc->tulip_boardid, "EN1207 "); 2231 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2232 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2233 break; 2234 case TULIP_21140: 2235 strcat(sc->tulip_boardid, "EN1207TX "); 2236 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2237 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2238 break; 2239 case TULIP_21040: 2240 strcat(sc->tulip_boardid, "EN1203 "); 2241 sc->tulip_boardsw = &tulip_21040_boardsw; 2242 break; 2243 case TULIP_21041: 2244 strcat(sc->tulip_boardid, "EN1203 "); 2245 sc->tulip_boardsw = &tulip_21041_boardsw; 2246 break; 2247 default: 2248 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2249 break; 2250 } 2251 } 2252 2253 static void 2254 tulip_identify_asante_nic( 2255 tulip_softc_t * const sc) 2256 { 2257 strcpy(sc->tulip_boardid, "Asante "); 2258 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2259 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2260 tulip_media_info_t *mi = sc->tulip_mediainfo; 2261 int idx; 2262 /* 2263 * The Asante Fast Ethernet doesn't always ship with a valid 2264 * new format SROM. So if isn't in the new format, we cheat 2265 * set it up as if we had. 2266 */ 2267 2268 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2269 sc->tulip_gpdata = 0; 2270 2271 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2272 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2273 DELAY(100); 2274 TULIP_CSR_WRITE(sc, csr_gp, 0); 2275 2276 mi->mi_type = TULIP_MEDIAINFO_MII; 2277 mi->mi_gpr_length = 0; 2278 mi->mi_gpr_offset = 0; 2279 mi->mi_reset_length = 0; 2280 mi->mi_reset_offset = 0;; 2281 2282 mi->mi_phyaddr = TULIP_MII_NOPHY; 2283 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2284 DELAY(10000); 2285 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2286 } 2287 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2288 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2289 return; 2290 } 2291 2292 sc->tulip_features |= TULIP_HAVE_MII; 2293 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2294 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2295 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2296 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2297 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2298 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2299 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2300 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2301 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2302 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2303 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2304 2305 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2306 } 2307 } 2308 2309 static void 2310 tulip_identify_compex_nic( 2311 tulip_softc_t * const sc) 2312 { 2313 strcpy(sc->tulip_boardid, "COMPEX "); 2314 if (sc->tulip_chipid == TULIP_21140A) { 2315 int root_unit; 2316 tulip_softc_t *root_sc = NULL; 2317 2318 strcat(sc->tulip_boardid, "400TX/PCI "); 2319 /* 2320 * All 4 chips on these boards share an interrupt. This code 2321 * copied from tulip_read_macaddr. 2322 */ 2323 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2324 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2325 root_sc = tulips[root_unit]; 2326 if (root_sc == NULL 2327 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2328 break; 2329 root_sc = NULL; 2330 } 2331 if (root_sc != NULL 2332 && root_sc->tulip_chipid == sc->tulip_chipid 2333 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2334 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2335 sc->tulip_slaves = root_sc->tulip_slaves; 2336 root_sc->tulip_slaves = sc; 2337 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2338 printf("\nCannot find master device for de%d interrupts", 2339 sc->tulip_unit); 2340 } 2341 } else { 2342 strcat(sc->tulip_boardid, "unknown "); 2343 } 2344 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2345 return; 2346 } 2347 2348 static int 2349 tulip_srom_decode( 2350 tulip_softc_t * const sc) 2351 { 2352 unsigned idx1, idx2, idx3; 2353 2354 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2355 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2356 tulip_srom_media_t srom_media; 2357 tulip_media_info_t *mi = sc->tulip_mediainfo; 2358 const u_int8_t *dp; 2359 u_int32_t leaf_offset, blocks, data; 2360 2361 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2362 if (shp->sh_adapter_count == 1) 2363 break; 2364 if (saip->sai_device == sc->tulip_pci_devno) 2365 break; 2366 } 2367 /* 2368 * Didn't find the right media block for this card. 2369 */ 2370 if (idx1 == shp->sh_adapter_count) 2371 return 0; 2372 2373 /* 2374 * Save the hardware address. 2375 */ 2376 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2377 /* 2378 * If this is a multiple port card, add the adapter index to the last 2379 * byte of the hardware address. (if it isn't multiport, adding 0 2380 * won't hurt. 2381 */ 2382 sc->tulip_enaddr[5] += idx1; 2383 2384 leaf_offset = saip->sai_leaf_offset_lowbyte 2385 + saip->sai_leaf_offset_highbyte * 256; 2386 dp = sc->tulip_rombuf + leaf_offset; 2387 2388 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2389 2390 for (idx2 = 0;; idx2++) { 2391 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2392 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2393 break; 2394 } 2395 sc->tulip_connidx = idx2; 2396 2397 if (sc->tulip_chipid == TULIP_21041) { 2398 blocks = *dp++; 2399 for (idx2 = 0; idx2 < blocks; idx2++) { 2400 tulip_media_t media; 2401 data = *dp++; 2402 srom_media = (tulip_srom_media_t) (data & 0x3F); 2403 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2404 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2405 break; 2406 } 2407 media = tulip_srom_mediums[idx3].sm_type; 2408 if (media != TULIP_MEDIA_UNKNOWN) { 2409 if (data & TULIP_SROM_21041_EXTENDED) { 2410 mi->mi_type = TULIP_MEDIAINFO_SIA; 2411 sc->tulip_mediums[media] = mi; 2412 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2413 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2414 mi->mi_sia_general = dp[4] + dp[5] * 256; 2415 mi++; 2416 } else { 2417 switch (media) { 2418 case TULIP_MEDIA_BNC: { 2419 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2420 mi++; 2421 break; 2422 } 2423 case TULIP_MEDIA_AUI: { 2424 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2425 mi++; 2426 break; 2427 } 2428 case TULIP_MEDIA_10BASET: { 2429 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2430 mi++; 2431 break; 2432 } 2433 case TULIP_MEDIA_10BASET_FD: { 2434 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2435 mi++; 2436 break; 2437 } 2438 default: { 2439 break; 2440 } 2441 } 2442 } 2443 } 2444 if (data & TULIP_SROM_21041_EXTENDED) 2445 dp += 6; 2446 } 2447 #ifdef notdef 2448 if (blocks == 0) { 2449 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2450 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2451 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2453 } 2454 #endif 2455 } else { 2456 unsigned length, type; 2457 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2458 if (sc->tulip_features & TULIP_HAVE_GPR) 2459 sc->tulip_gpinit = *dp++; 2460 blocks = *dp++; 2461 for (idx2 = 0; idx2 < blocks; idx2++) { 2462 const u_int8_t *ep; 2463 if ((*dp & 0x80) == 0) { 2464 length = 4; 2465 type = 0; 2466 } else { 2467 length = (*dp++ & 0x7f) - 1; 2468 type = *dp++ & 0x3f; 2469 } 2470 ep = dp + length; 2471 switch (type & 0x3f) { 2472 case 0: { /* 21140[A] GPR block */ 2473 tulip_media_t media; 2474 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2475 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2476 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2477 break; 2478 } 2479 media = tulip_srom_mediums[idx3].sm_type; 2480 if (media == TULIP_MEDIA_UNKNOWN) 2481 break; 2482 mi->mi_type = TULIP_MEDIAINFO_GPR; 2483 sc->tulip_mediums[media] = mi; 2484 mi->mi_gpdata = dp[1]; 2485 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2486 sc->tulip_gpdata = mi->mi_gpdata; 2487 gp_media = media; 2488 } 2489 data = dp[2] + dp[3] * 256; 2490 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2491 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2492 mi->mi_actmask = 0; 2493 } else { 2494 #if 0 2495 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2496 #endif 2497 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2498 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2499 } 2500 mi++; 2501 break; 2502 } 2503 case 1: { /* 21140[A] MII block */ 2504 const unsigned phyno = *dp++; 2505 mi->mi_type = TULIP_MEDIAINFO_MII; 2506 mi->mi_gpr_length = *dp++; 2507 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2508 dp += mi->mi_gpr_length; 2509 mi->mi_reset_length = *dp++; 2510 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2511 dp += mi->mi_reset_length; 2512 2513 /* 2514 * Before we probe for a PHY, use the GPR information 2515 * to select it. If we don't, it may be inaccessible. 2516 */ 2517 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2518 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2519 DELAY(10); 2520 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2521 } 2522 sc->tulip_phyaddr = mi->mi_phyaddr; 2523 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2524 DELAY(10); 2525 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2526 } 2527 2528 /* 2529 * At least write something! 2530 */ 2531 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2532 TULIP_CSR_WRITE(sc, csr_gp, 0); 2533 2534 mi->mi_phyaddr = TULIP_MII_NOPHY; 2535 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2536 DELAY(10000); 2537 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2538 } 2539 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2540 #if defined(TULIP_DEBUG) 2541 printf("%s%d: can't find phy %d\n", 2542 sc->tulip_name, sc->tulip_unit, phyno); 2543 #endif 2544 break; 2545 } 2546 sc->tulip_features |= TULIP_HAVE_MII; 2547 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2548 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2549 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2550 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2551 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2552 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2553 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2554 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2555 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2556 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2557 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2558 mi++; 2559 break; 2560 } 2561 case 2: { /* 2114[23] SIA block */ 2562 tulip_media_t media; 2563 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2564 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2565 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2566 break; 2567 } 2568 media = tulip_srom_mediums[idx3].sm_type; 2569 if (media == TULIP_MEDIA_UNKNOWN) 2570 break; 2571 mi->mi_type = TULIP_MEDIAINFO_SIA; 2572 sc->tulip_mediums[media] = mi; 2573 if (dp[0] & 0x40) { 2574 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2575 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2576 mi->mi_sia_general = dp[5] + dp[6] * 256; 2577 dp += 6; 2578 } else { 2579 switch (media) { 2580 case TULIP_MEDIA_BNC: { 2581 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2582 break; 2583 } 2584 case TULIP_MEDIA_AUI: { 2585 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2586 break; 2587 } 2588 case TULIP_MEDIA_10BASET: { 2589 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2590 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2591 break; 2592 } 2593 case TULIP_MEDIA_10BASET_FD: { 2594 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2595 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2596 break; 2597 } 2598 default: { 2599 goto bad_media; 2600 } 2601 } 2602 } 2603 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2604 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2605 mi++; 2606 bad_media: 2607 break; 2608 } 2609 case 3: { /* 2114[23] MII PHY block */ 2610 const unsigned phyno = *dp++; 2611 const u_int8_t *dp0; 2612 mi->mi_type = TULIP_MEDIAINFO_MII; 2613 mi->mi_gpr_length = *dp++; 2614 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2615 dp += 2 * mi->mi_gpr_length; 2616 mi->mi_reset_length = *dp++; 2617 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2618 dp += 2 * mi->mi_reset_length; 2619 2620 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2621 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2622 DELAY(10); 2623 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2624 } 2625 sc->tulip_phyaddr = mi->mi_phyaddr; 2626 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2627 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2628 DELAY(10); 2629 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2630 } 2631 2632 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2633 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2634 2635 mi->mi_phyaddr = TULIP_MII_NOPHY; 2636 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2637 DELAY(10000); 2638 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2639 } 2640 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2641 #if defined(TULIP_DEBUG) 2642 printf("%s%d: can't find phy %d\n", 2643 sc->tulip_name, sc->tulip_unit, phyno); 2644 #endif 2645 break; 2646 } 2647 sc->tulip_features |= TULIP_HAVE_MII; 2648 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2649 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2650 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2651 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2652 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2653 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2654 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2655 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2656 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2657 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2658 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2659 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2660 mi++; 2661 break; 2662 } 2663 case 4: { /* 21143 SYM block */ 2664 tulip_media_t media; 2665 srom_media = (tulip_srom_media_t) dp[0]; 2666 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2667 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2668 break; 2669 } 2670 media = tulip_srom_mediums[idx3].sm_type; 2671 if (media == TULIP_MEDIA_UNKNOWN) 2672 break; 2673 mi->mi_type = TULIP_MEDIAINFO_SYM; 2674 sc->tulip_mediums[media] = mi; 2675 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2676 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2677 data = dp[5] + dp[6] * 256; 2678 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2679 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2680 mi->mi_actmask = 0; 2681 } else { 2682 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2683 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2684 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2685 } 2686 if (TULIP_IS_MEDIA_TP(media)) 2687 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2688 mi++; 2689 break; 2690 } 2691 #if 0 2692 case 5: { /* 21143 Reset block */ 2693 mi->mi_type = TULIP_MEDIAINFO_RESET; 2694 mi->mi_reset_length = *dp++; 2695 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2696 dp += 2 * mi->mi_reset_length; 2697 mi++; 2698 break; 2699 } 2700 #endif 2701 default: { 2702 } 2703 } 2704 dp = ep; 2705 } 2706 } 2707 return mi - sc->tulip_mediainfo; 2708 } 2709 2710 static const struct { 2711 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2712 unsigned char vendor_oui[3]; 2713 } tulip_vendors[] = { 2714 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2715 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2716 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2717 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2718 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2719 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2720 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2721 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2722 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2723 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2724 { NULL } 2725 }; 2726 2727 /* 2728 * This deals with the vagaries of the address roms and the 2729 * brain-deadness that various vendors commit in using them. 2730 */ 2731 static int 2732 tulip_read_macaddr( 2733 tulip_softc_t * const sc) 2734 { 2735 unsigned cksum, rom_cksum, idx; 2736 u_int32_t csr; 2737 unsigned char tmpbuf[8]; 2738 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2739 2740 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2741 2742 if (sc->tulip_chipid == TULIP_21040) { 2743 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2744 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2745 int cnt = 0; 2746 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2747 cnt++; 2748 sc->tulip_rombuf[idx] = csr & 0xFF; 2749 } 2750 sc->tulip_boardsw = &tulip_21040_boardsw; 2751 } else { 2752 if (sc->tulip_chipid == TULIP_21041) { 2753 /* 2754 * Thankfully all 21041's act the same. 2755 */ 2756 sc->tulip_boardsw = &tulip_21041_boardsw; 2757 } else { 2758 /* 2759 * Assume all 21140 board are compatible with the 2760 * DEC 10/100 evaluation board. Not really valid but 2761 * it's the best we can do until every one switches to 2762 * the new SROM format. 2763 */ 2764 2765 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2766 } 2767 tulip_srom_read(sc); 2768 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2769 /* 2770 * SROM CRC is valid therefore it must be in the 2771 * new format. 2772 */ 2773 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2774 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2775 /* 2776 * No checksum is present. See if the SROM id checks out; 2777 * the first 18 bytes should be 0 followed by a 1 followed 2778 * by the number of adapters (which we don't deal with yet). 2779 */ 2780 for (idx = 0; idx < 18; idx++) { 2781 if (sc->tulip_rombuf[idx] != 0) 2782 break; 2783 } 2784 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2785 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2786 } else if (sc->tulip_chipid >= TULIP_21142) { 2787 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2788 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2789 } 2790 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2791 if (sc->tulip_chipid != TULIP_21041) 2792 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2793 2794 /* 2795 * If the SROM specifies more than one adapter, tag this as a 2796 * BASE rom. 2797 */ 2798 if (sc->tulip_rombuf[19] > 1) 2799 sc->tulip_features |= TULIP_HAVE_BASEROM; 2800 if (sc->tulip_boardsw == NULL) 2801 return -6; 2802 goto check_oui; 2803 } 2804 } 2805 2806 2807 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2808 /* 2809 * Some folks don't use the standard ethernet rom format 2810 * but instead just put the address in the first 6 bytes 2811 * of the rom and let the rest be all 0xffs. (Can we say 2812 * ZNYX?) (well sometimes they put in a checksum so we'll 2813 * start at 8). 2814 */ 2815 for (idx = 8; idx < 32; idx++) { 2816 if (sc->tulip_rombuf[idx] != 0xFF) 2817 return -4; 2818 } 2819 /* 2820 * Make sure the address is not multicast or locally assigned 2821 * that the OUI is not 00-00-00. 2822 */ 2823 if ((sc->tulip_rombuf[0] & 3) != 0) 2824 return -4; 2825 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2826 && sc->tulip_rombuf[2] == 0) 2827 return -4; 2828 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2829 sc->tulip_features |= TULIP_HAVE_OKROM; 2830 goto check_oui; 2831 } else { 2832 /* 2833 * A number of makers of multiport boards (ZNYX and Cogent) 2834 * only put on one address ROM on their 21040 boards. So 2835 * if the ROM is all zeros (or all 0xFFs), look at the 2836 * previous configured boards (as long as they are on the same 2837 * PCI bus and the bus number is non-zero) until we find the 2838 * master board with address ROM. We then use its address ROM 2839 * as the base for this board. (we add our relative board 2840 * to the last byte of its address). 2841 */ 2842 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2843 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2844 break; 2845 } 2846 if (idx == sizeof(sc->tulip_rombuf)) { 2847 int root_unit; 2848 tulip_softc_t *root_sc = NULL; 2849 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2850 root_sc = tulips[root_unit]; 2851 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2852 break; 2853 root_sc = NULL; 2854 } 2855 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2856 && root_sc->tulip_chipid == sc->tulip_chipid 2857 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2858 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2859 sc->tulip_boardsw = root_sc->tulip_boardsw; 2860 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2861 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2862 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2863 sizeof(sc->tulip_rombuf)); 2864 if (!tulip_srom_decode(sc)) 2865 return -5; 2866 } else { 2867 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2868 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2869 } 2870 /* 2871 * Now for a truly disgusting kludge: all 4 21040s on 2872 * the ZX314 share the same INTA line so the mapping 2873 * setup by the BIOS on the PCI bridge is worthless. 2874 * Rather than reprogramming the value in the config 2875 * register, we will handle this internally. 2876 */ 2877 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2878 sc->tulip_slaves = root_sc->tulip_slaves; 2879 root_sc->tulip_slaves = sc; 2880 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2881 } 2882 return 0; 2883 } 2884 } 2885 } 2886 2887 /* 2888 * This is the standard DEC address ROM test. 2889 */ 2890 2891 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2892 return -3; 2893 2894 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2895 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2896 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2897 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2898 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2899 return -2; 2900 2901 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2902 2903 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2904 cksum *= 2; 2905 if (cksum > 65535) cksum -= 65535; 2906 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2907 if (cksum > 65535) cksum -= 65535; 2908 cksum *= 2; 2909 if (cksum > 65535) cksum -= 65535; 2910 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2911 if (cksum >= 65535) cksum -= 65535; 2912 2913 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2914 2915 if (cksum != rom_cksum) 2916 return -1; 2917 2918 check_oui: 2919 /* 2920 * Check for various boards based on OUI. Did I say braindead? 2921 */ 2922 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2923 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2924 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2925 break; 2926 } 2927 } 2928 2929 sc->tulip_features |= TULIP_HAVE_OKROM; 2930 return 0; 2931 } 2932 2933 static void 2934 tulip_ifmedia_add( 2935 tulip_softc_t * const sc) 2936 { 2937 tulip_media_t media; 2938 int medias = 0; 2939 2940 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2941 if (sc->tulip_mediums[media] != NULL) { 2942 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2943 0, 0); 2944 medias++; 2945 } 2946 } 2947 if (medias == 0) { 2948 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2949 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2950 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2951 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2952 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2953 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2954 } else { 2955 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2956 sc->tulip_flags |= TULIP_PRINTMEDIA; 2957 tulip_linkup(sc, sc->tulip_media); 2958 } 2959 } 2960 2961 static int 2962 tulip_ifmedia_change( 2963 struct ifnet * const ifp) 2964 { 2965 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2966 2967 sc->tulip_flags |= TULIP_NEEDRESET; 2968 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2969 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2970 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2971 tulip_media_t media; 2972 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2973 if (sc->tulip_mediums[media] != NULL 2974 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2975 sc->tulip_flags |= TULIP_PRINTMEDIA; 2976 sc->tulip_flags &= ~TULIP_DIDNWAY; 2977 tulip_linkup(sc, media); 2978 return 0; 2979 } 2980 } 2981 } 2982 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2983 tulip_reset(sc); 2984 tulip_init(sc); 2985 return 0; 2986 } 2987 2988 /* 2989 * Media status callback 2990 */ 2991 static void 2992 tulip_ifmedia_status( 2993 struct ifnet * const ifp, 2994 struct ifmediareq *req) 2995 { 2996 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2997 2998 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2999 return; 3000 3001 req->ifm_status = IFM_AVALID; 3002 if (sc->tulip_flags & TULIP_LINKUP) 3003 req->ifm_status |= IFM_ACTIVE; 3004 3005 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3006 } 3007 3008 static void 3009 tulip_addr_filter( 3010 tulip_softc_t * const sc) 3011 { 3012 struct ifmultiaddr *ifma; 3013 u_char *addrp; 3014 int multicnt; 3015 3016 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3017 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3018 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3019 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3020 #if defined(IFF_ALLMULTI) 3021 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3022 sc->tulip_flags |= TULIP_ALLMULTI ; 3023 #endif 3024 3025 multicnt = 0; 3026 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3027 ifma = ifma->ifma_link.le_next) { 3028 3029 if (ifma->ifma_addr->sa_family == AF_LINK) 3030 multicnt++; 3031 } 3032 3033 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3034 if (multicnt > 14) { 3035 u_int32_t *sp = sc->tulip_setupdata; 3036 unsigned hash; 3037 /* 3038 * Some early passes of the 21140 have broken implementations of 3039 * hash-perfect mode. When we get too many multicasts for perfect 3040 * filtering with these chips, we need to switch into hash-only 3041 * mode (this is better than all-multicast on network with lots 3042 * of multicast traffic). 3043 */ 3044 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3045 sc->tulip_flags |= TULIP_WANTHASHONLY; 3046 else 3047 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3048 /* 3049 * If we have more than 14 multicasts, we have 3050 * go into hash perfect mode (512 bit multicast 3051 * hash and one perfect hardware). 3052 */ 3053 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3054 3055 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3056 ifma = ifma->ifma_link.le_next) { 3057 3058 if (ifma->ifma_addr->sa_family != AF_LINK) 3059 continue; 3060 3061 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3062 #if BYTE_ORDER == BIG_ENDIAN 3063 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3064 #else 3065 sp[hash >> 4] |= 1 << (hash & 0xF); 3066 #endif 3067 } 3068 /* 3069 * No reason to use a hash if we are going to be 3070 * receiving every multicast. 3071 */ 3072 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3073 hash = tulip_mchash(etherbroadcastaddr); 3074 #if BYTE_ORDER == BIG_ENDIAN 3075 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3076 #else 3077 sp[hash >> 4] |= 1 << (hash & 0xF); 3078 #endif 3079 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3080 hash = tulip_mchash(sc->tulip_enaddr); 3081 #if BYTE_ORDER == BIG_ENDIAN 3082 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3083 #else 3084 sp[hash >> 4] |= 1 << (hash & 0xF); 3085 #endif 3086 } else { 3087 #if BYTE_ORDER == BIG_ENDIAN 3088 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3089 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3090 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3091 #else 3092 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3093 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3094 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3095 #endif 3096 } 3097 } 3098 } 3099 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3100 u_int32_t *sp = sc->tulip_setupdata; 3101 int idx = 0; 3102 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3103 /* 3104 * Else can get perfect filtering for 16 addresses. 3105 */ 3106 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3107 ifma = ifma->ifma_link.le_next) { 3108 if (ifma->ifma_addr->sa_family != AF_LINK) 3109 continue; 3110 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3111 #if BYTE_ORDER == BIG_ENDIAN 3112 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3113 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3114 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3115 #else 3116 *sp++ = ((u_int16_t *) addrp)[0]; 3117 *sp++ = ((u_int16_t *) addrp)[1]; 3118 *sp++ = ((u_int16_t *) addrp)[2]; 3119 #endif 3120 idx++; 3121 } 3122 /* 3123 * Add the broadcast address. 3124 */ 3125 idx++; 3126 #if BYTE_ORDER == BIG_ENDIAN 3127 *sp++ = 0xFFFF << 16; 3128 *sp++ = 0xFFFF << 16; 3129 *sp++ = 0xFFFF << 16; 3130 #else 3131 *sp++ = 0xFFFF; 3132 *sp++ = 0xFFFF; 3133 *sp++ = 0xFFFF; 3134 #endif 3135 } 3136 /* 3137 * Pad the rest with our hardware address 3138 */ 3139 for (; idx < 16; idx++) { 3140 #if BYTE_ORDER == BIG_ENDIAN 3141 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3142 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3143 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3144 #else 3145 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3146 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3147 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3148 #endif 3149 } 3150 } 3151 #if defined(IFF_ALLMULTI) 3152 if (sc->tulip_flags & TULIP_ALLMULTI) 3153 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3154 #endif 3155 } 3156 3157 static void 3158 tulip_reset( 3159 tulip_softc_t * const sc) 3160 { 3161 tulip_ringinfo_t *ri; 3162 tulip_desc_t *di; 3163 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3164 3165 /* 3166 * Brilliant. Simply brilliant. When switching modes/speeds 3167 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3168 * bits in CSR6 and then do a software reset to get the 21140 3169 * to properly reset its internal pathways to the right places. 3170 * Grrrr. 3171 */ 3172 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3173 && sc->tulip_boardsw->bd_media_preset != NULL) 3174 (*sc->tulip_boardsw->bd_media_preset)(sc); 3175 3176 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3177 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3178 33MHz that comes to two microseconds but wait a 3179 bit longer anyways) */ 3180 3181 if (!inreset) { 3182 sc->tulip_flags |= TULIP_INRESET; 3183 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3184 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3185 sc->tulip_if.if_start = tulip_ifstart; 3186 } 3187 3188 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3189 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3190 #else 3191 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3192 #endif 3193 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3194 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3195 #else 3196 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3197 #endif 3198 TULIP_CSR_WRITE(sc, csr_busmode, 3199 (1 << (3 /*pci_max_burst_len*/ + 8)) 3200 |TULIP_BUSMODE_CACHE_ALIGN8 3201 |TULIP_BUSMODE_READMULTIPLE 3202 |(BYTE_ORDER != LITTLE_ENDIAN ? 3203 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3204 3205 sc->tulip_txtimer = 0; 3206 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3207 /* 3208 * Free all the mbufs that were on the transmit ring. 3209 */ 3210 for (;;) { 3211 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3212 bus_dmamap_t map; 3213 #endif 3214 struct mbuf *m; 3215 IF_DEQUEUE(&sc->tulip_txq, m); 3216 if (m == NULL) 3217 break; 3218 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3219 map = M_GETCTX(m, bus_dmamap_t); 3220 bus_dmamap_unload(sc->tulip_dmatag, map); 3221 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3222 #endif 3223 m_freem(m); 3224 } 3225 3226 ri = &sc->tulip_txinfo; 3227 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3228 ri->ri_free = ri->ri_max; 3229 for (di = ri->ri_first; di < ri->ri_last; di++) 3230 di->d_status = 0; 3231 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3232 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3233 0, sc->tulip_txdescmap->dm_mapsize, 3234 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3235 #endif 3236 3237 /* 3238 * We need to collect all the mbufs were on the 3239 * receive ring before we reinit it either to put 3240 * them back on or to know if we have to allocate 3241 * more. 3242 */ 3243 ri = &sc->tulip_rxinfo; 3244 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3245 ri->ri_free = ri->ri_max; 3246 for (di = ri->ri_first; di < ri->ri_last; di++) { 3247 di->d_status = 0; 3248 di->d_length1 = 0; di->d_addr1 = 0; 3249 di->d_length2 = 0; di->d_addr2 = 0; 3250 } 3251 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3252 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3253 0, sc->tulip_rxdescmap->dm_mapsize, 3254 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3255 #endif 3256 for (;;) { 3257 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3258 bus_dmamap_t map; 3259 #endif 3260 struct mbuf *m; 3261 IF_DEQUEUE(&sc->tulip_rxq, m); 3262 if (m == NULL) 3263 break; 3264 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3265 map = M_GETCTX(m, bus_dmamap_t); 3266 bus_dmamap_unload(sc->tulip_dmatag, map); 3267 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3268 #endif 3269 m_freem(m); 3270 } 3271 3272 /* 3273 * If tulip_reset is being called recurisvely, exit quickly knowing 3274 * that when the outer tulip_reset returns all the right stuff will 3275 * have happened. 3276 */ 3277 if (inreset) 3278 return; 3279 3280 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3281 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3282 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3283 |TULIP_STS_RXSTOPPED; 3284 3285 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3286 (*sc->tulip_boardsw->bd_media_select)(sc); 3287 #if defined(TULIP_DEBUG) 3288 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3289 printf("%s%d: tulip_reset: additional reset needed?!?\n", 3290 sc->tulip_name, sc->tulip_unit); 3291 #endif 3292 tulip_media_print(sc); 3293 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3294 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3295 3296 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3297 |TULIP_RXACT); 3298 tulip_addr_filter(sc); 3299 } 3300 3301 static void 3302 tulip_init( 3303 tulip_softc_t * const sc) 3304 { 3305 if (sc->tulip_if.if_flags & IFF_UP) { 3306 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3307 /* initialize the media */ 3308 tulip_reset(sc); 3309 } 3310 sc->tulip_if.if_flags |= IFF_RUNNING; 3311 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3312 sc->tulip_flags |= TULIP_PROMISC; 3313 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3314 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3315 } else { 3316 sc->tulip_flags &= ~TULIP_PROMISC; 3317 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3318 if (sc->tulip_flags & TULIP_ALLMULTI) { 3319 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3320 } else { 3321 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3322 } 3323 } 3324 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3325 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3326 tulip_rx_intr(sc); 3327 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3328 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3329 } else { 3330 sc->tulip_if.if_flags |= IFF_OACTIVE; 3331 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3332 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3333 } 3334 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3335 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3336 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3337 tulip_txput_setup(sc); 3338 } else { 3339 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3340 tulip_reset(sc); 3341 } 3342 } 3343 3344 static void 3345 tulip_rx_intr( 3346 tulip_softc_t * const sc) 3347 { 3348 TULIP_PERFSTART(rxintr) 3349 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3350 struct ifnet * const ifp = &sc->tulip_if; 3351 int fillok = 1; 3352 #if defined(TULIP_DEBUG) 3353 int cnt = 0; 3354 #endif 3355 3356 for (;;) { 3357 TULIP_PERFSTART(rxget) 3358 struct ether_header eh; 3359 tulip_desc_t *eop = ri->ri_nextin; 3360 int total_len = 0, last_offset = 0; 3361 struct mbuf *ms = NULL, *me = NULL; 3362 int accept = 0; 3363 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3364 bus_dmamap_t map; 3365 int error; 3366 #endif 3367 3368 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3369 goto queue_mbuf; 3370 3371 #if defined(TULIP_DEBUG) 3372 if (cnt == ri->ri_max) 3373 break; 3374 #endif 3375 /* 3376 * If the TULIP has no descriptors, there can't be any receive 3377 * descriptors to process. 3378 */ 3379 if (eop == ri->ri_nextout) 3380 break; 3381 3382 /* 3383 * 90% of the packets will fit in one descriptor. So we optimize 3384 * for that case. 3385 */ 3386 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3387 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3388 IF_DEQUEUE(&sc->tulip_rxq, ms); 3389 me = ms; 3390 } else { 3391 /* 3392 * If still owned by the TULIP, don't touch it. 3393 */ 3394 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3395 break; 3396 3397 /* 3398 * It is possible (though improbable unless the BIG_PACKET support 3399 * is enabled or MCLBYTES < 1518) for a received packet to cross 3400 * more than one receive descriptor. 3401 */ 3402 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3403 if (++eop == ri->ri_last) 3404 eop = ri->ri_first; 3405 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3406 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3407 #if defined(TULIP_DEBUG) 3408 sc->tulip_dbg.dbg_rxintrs++; 3409 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3410 #endif 3411 TULIP_PERFEND(rxget); 3412 TULIP_PERFEND(rxintr); 3413 return; 3414 } 3415 total_len++; 3416 } 3417 3418 /* 3419 * Dequeue the first buffer for the start of the packet. Hopefully 3420 * this will be the only one we need to dequeue. However, if the 3421 * packet consumed multiple descriptors, then we need to dequeue 3422 * those buffers and chain to the starting mbuf. All buffers but 3423 * the last buffer have the same length so we can set that now. 3424 * (we add to last_offset instead of multiplying since we normally 3425 * won't go into the loop and thereby saving a ourselves from 3426 * doing a multiplication by 0 in the normal case). 3427 */ 3428 IF_DEQUEUE(&sc->tulip_rxq, ms); 3429 for (me = ms; total_len > 0; total_len--) { 3430 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3431 map = M_GETCTX(me, bus_dmamap_t); 3432 TULIP_RXMAP_POSTSYNC(sc, map); 3433 bus_dmamap_unload(sc->tulip_dmatag, map); 3434 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3435 #if defined(DIAGNOSTIC) 3436 M_SETCTX(me, NULL); 3437 #endif 3438 #endif /* TULIP_BUS_DMA */ 3439 me->m_len = TULIP_RX_BUFLEN; 3440 last_offset += TULIP_RX_BUFLEN; 3441 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3442 me = me->m_next; 3443 } 3444 } 3445 3446 /* 3447 * Now get the size of received packet (minus the CRC). 3448 */ 3449 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3450 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3451 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3452 #ifdef BIG_PACKET 3453 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3454 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3455 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3456 TULIP_DSTS_RxOVERFLOW)) == 0) 3457 #endif 3458 )) { 3459 me->m_len = total_len - last_offset; 3460 3461 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3462 map = M_GETCTX(me, bus_dmamap_t); 3463 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3464 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3465 bus_dmamap_unload(sc->tulip_dmatag, map); 3466 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3467 #if defined(DIAGNOSTIC) 3468 M_SETCTX(me, NULL); 3469 #endif 3470 #endif /* TULIP_BUS_DMA */ 3471 3472 eh = *mtod(ms, struct ether_header *); 3473 #ifndef __FreeBSD__ 3474 if (sc->tulip_if.if_bpf != NULL) { 3475 if (me == ms) 3476 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3477 else 3478 bpf_mtap(&sc->tulip_if, ms); 3479 } 3480 #endif 3481 sc->tulip_flags |= TULIP_RXACT; 3482 accept = 1; 3483 } else { 3484 ifp->if_ierrors++; 3485 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3486 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3487 } else { 3488 #if defined(TULIP_VERBOSE) 3489 const char *error = NULL; 3490 #endif 3491 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3492 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3493 #if defined(TULIP_VERBOSE) 3494 error = "frame too long"; 3495 #endif 3496 } 3497 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3498 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3499 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3500 #if defined(TULIP_VERBOSE) 3501 error = "alignment error"; 3502 #endif 3503 } else { 3504 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3505 #if defined(TULIP_VERBOSE) 3506 error = "bad crc"; 3507 #endif 3508 } 3509 } 3510 #if defined(TULIP_VERBOSE) 3511 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3512 printf("%s%d: receive: %6D: %s\n", 3513 sc->tulip_name, sc->tulip_unit, 3514 mtod(ms, u_char *) + 6, ":", 3515 error); 3516 sc->tulip_flags |= TULIP_NOMESSAGES; 3517 } 3518 #endif 3519 } 3520 3521 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3522 map = M_GETCTX(me, bus_dmamap_t); 3523 bus_dmamap_unload(sc->tulip_dmatag, map); 3524 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3525 #if defined(DIAGNOSTIC) 3526 M_SETCTX(me, NULL); 3527 #endif 3528 #endif /* TULIP_BUS_DMA */ 3529 } 3530 #if defined(TULIP_DEBUG) 3531 cnt++; 3532 #endif 3533 ifp->if_ipackets++; 3534 if (++eop == ri->ri_last) 3535 eop = ri->ri_first; 3536 ri->ri_nextin = eop; 3537 queue_mbuf: 3538 /* 3539 * Either we are priming the TULIP with mbufs (m == NULL) 3540 * or we are about to accept an mbuf for the upper layers 3541 * so we need to allocate an mbuf to replace it. If we 3542 * can't replace it, send up it anyways. This may cause 3543 * us to drop packets in the future but that's better than 3544 * being caught in livelock. 3545 * 3546 * Note that if this packet crossed multiple descriptors 3547 * we don't even try to reallocate all the mbufs here. 3548 * Instead we rely on the test of the beginning of 3549 * the loop to refill for the extra consumed mbufs. 3550 */ 3551 if (accept || ms == NULL) { 3552 struct mbuf *m0; 3553 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3554 if (m0 != NULL) { 3555 #if defined(TULIP_COPY_RXDATA) 3556 if (!accept || total_len >= (MHLEN - 2)) { 3557 #endif 3558 MCLGET(m0, M_DONTWAIT); 3559 if ((m0->m_flags & M_EXT) == 0) { 3560 m_freem(m0); 3561 m0 = NULL; 3562 } 3563 #if defined(TULIP_COPY_RXDATA) 3564 } 3565 #endif 3566 } 3567 if (accept 3568 #if defined(TULIP_COPY_RXDATA) 3569 && m0 != NULL 3570 #endif 3571 ) { 3572 #if !defined(TULIP_COPY_RXDATA) 3573 ms->m_pkthdr.len = total_len; 3574 ms->m_pkthdr.rcvif = ifp; 3575 m_adj(ms, sizeof(struct ether_header)); 3576 ether_input(ifp, &eh, ms); 3577 #else 3578 #ifdef BIG_PACKET 3579 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3580 #endif 3581 m0->m_data += 2; /* align data after header */ 3582 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3583 m0->m_len = m0->m_pkthdr.len = total_len; 3584 m0->m_pkthdr.rcvif = ifp; 3585 m_adj(m0, sizeof(struct ether_header)); 3586 ether_input(ifp, &eh, m0); 3587 m0 = ms; 3588 #endif /* ! TULIP_COPY_RXDATA */ 3589 } 3590 ms = m0; 3591 } 3592 if (ms == NULL) { 3593 /* 3594 * Couldn't allocate a new buffer. Don't bother 3595 * trying to replenish the receive queue. 3596 */ 3597 fillok = 0; 3598 sc->tulip_flags |= TULIP_RXBUFSLOW; 3599 #if defined(TULIP_DEBUG) 3600 sc->tulip_dbg.dbg_rxlowbufs++; 3601 #endif 3602 TULIP_PERFEND(rxget); 3603 continue; 3604 } 3605 /* 3606 * Now give the buffer(s) to the TULIP and save in our 3607 * receive queue. 3608 */ 3609 do { 3610 tulip_desc_t * const nextout = ri->ri_nextout; 3611 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3612 if (sc->tulip_rxmaps_free > 0) { 3613 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3614 } else { 3615 m_freem(ms); 3616 sc->tulip_flags |= TULIP_RXBUFSLOW; 3617 #if defined(TULIP_DEBUG) 3618 sc->tulip_dbg.dbg_rxlowbufs++; 3619 #endif 3620 break; 3621 } 3622 M_SETCTX(ms, map); 3623 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3624 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3625 if (error) { 3626 printf("%s%d: unable to load rx map, " 3627 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 3628 panic("tulip_rx_intr"); /* XXX */ 3629 } 3630 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3631 nextout->d_length1 = map->dm_segs[0].ds_len; 3632 if (map->dm_nsegs == 2) { 3633 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3634 nextout->d_length2 = map->dm_segs[1].ds_len; 3635 } else { 3636 nextout->d_addr2 = 0; 3637 nextout->d_length2 = 0; 3638 } 3639 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3640 #else /* TULIP_BUS_DMA */ 3641 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3642 nextout->d_length1 = TULIP_RX_BUFLEN; 3643 #endif /* TULIP_BUS_DMA */ 3644 nextout->d_status = TULIP_DSTS_OWNER; 3645 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3646 if (++ri->ri_nextout == ri->ri_last) 3647 ri->ri_nextout = ri->ri_first; 3648 me = ms->m_next; 3649 ms->m_next = NULL; 3650 IF_ENQUEUE(&sc->tulip_rxq, ms); 3651 } while ((ms = me) != NULL); 3652 3653 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3654 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3655 TULIP_PERFEND(rxget); 3656 } 3657 3658 #if defined(TULIP_DEBUG) 3659 sc->tulip_dbg.dbg_rxintrs++; 3660 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3661 #endif 3662 TULIP_PERFEND(rxintr); 3663 } 3664 3665 static int 3666 tulip_tx_intr( 3667 tulip_softc_t * const sc) 3668 { 3669 TULIP_PERFSTART(txintr) 3670 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3671 struct mbuf *m; 3672 int xmits = 0; 3673 int descs = 0; 3674 3675 while (ri->ri_free < ri->ri_max) { 3676 u_int32_t d_flag; 3677 3678 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3679 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3680 break; 3681 3682 ri->ri_free++; 3683 descs++; 3684 d_flag = ri->ri_nextin->d_flag; 3685 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3686 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3687 /* 3688 * We've just finished processing a setup packet. 3689 * Mark that we finished it. If there's not 3690 * another pending, startup the TULIP receiver. 3691 * Make sure we ack the RXSTOPPED so we won't get 3692 * an abormal interrupt indication. 3693 */ 3694 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3695 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3696 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3697 sc->tulip_flags |= TULIP_HASHONLY; 3698 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3699 tulip_rx_intr(sc); 3700 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3701 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3702 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3703 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3704 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3705 } 3706 } else { 3707 const u_int32_t d_status = ri->ri_nextin->d_status; 3708 IF_DEQUEUE(&sc->tulip_txq, m); 3709 if (m != NULL) { 3710 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3711 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3712 TULIP_TXMAP_POSTSYNC(sc, map); 3713 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3714 #endif /* TULIP_BUS_DMA */ 3715 m_freem(m); 3716 #if defined(TULIP_DEBUG) 3717 } else { 3718 printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n", 3719 sc->tulip_name, sc->tulip_unit); 3720 #endif 3721 } 3722 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3723 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3724 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3725 #if defined(TULIP_DEBUG) 3726 if (d_status & TULIP_DSTS_TxNOCARR) 3727 sc->tulip_dbg.dbg_txprobe_nocarr++; 3728 if (d_status & TULIP_DSTS_TxEXCCOLL) 3729 sc->tulip_dbg.dbg_txprobe_exccoll++; 3730 #endif 3731 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3732 } 3733 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3734 /* 3735 * Escape from the loop before media poll has reset the TULIP! 3736 */ 3737 break; 3738 } else { 3739 xmits++; 3740 if (d_status & TULIP_DSTS_ERRSUM) { 3741 sc->tulip_if.if_oerrors++; 3742 if (d_status & TULIP_DSTS_TxEXCCOLL) 3743 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3744 if (d_status & TULIP_DSTS_TxLATECOLL) 3745 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3746 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3747 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3748 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3749 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3750 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3751 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3752 if (d_status & TULIP_DSTS_TxBABBLE) 3753 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3754 } else { 3755 u_int32_t collisions = 3756 (d_status & TULIP_DSTS_TxCOLLMASK) 3757 >> TULIP_DSTS_V_TxCOLLCNT; 3758 sc->tulip_if.if_collisions += collisions; 3759 if (collisions == 1) 3760 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3761 else if (collisions > 1) 3762 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3763 else if (d_status & TULIP_DSTS_TxDEFERRED) 3764 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3765 /* 3766 * SQE is only valid for 10baseT/BNC/AUI when not 3767 * running in full-duplex. In order to speed up the 3768 * test, the corresponding bit in tulip_flags needs to 3769 * set as well to get us to count SQE Test Errors. 3770 */ 3771 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3772 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3773 } 3774 } 3775 } 3776 } 3777 3778 if (++ri->ri_nextin == ri->ri_last) 3779 ri->ri_nextin = ri->ri_first; 3780 3781 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3782 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3783 } 3784 /* 3785 * If nothing left to transmit, disable the timer. 3786 * Else if progress, reset the timer back to 2 ticks. 3787 */ 3788 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3789 sc->tulip_txtimer = 0; 3790 else if (xmits > 0) 3791 sc->tulip_txtimer = TULIP_TXTIMER; 3792 sc->tulip_if.if_opackets += xmits; 3793 TULIP_PERFEND(txintr); 3794 return descs; 3795 } 3796 3797 static void 3798 tulip_print_abnormal_interrupt( 3799 tulip_softc_t * const sc, 3800 u_int32_t csr) 3801 { 3802 const char * const *msgp = tulip_status_bits; 3803 const char *sep; 3804 u_int32_t mask; 3805 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3806 3807 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3808 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3809 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3810 if ((csr & mask) && *msgp != NULL) { 3811 printf("%s%s", sep, *msgp); 3812 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3813 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3814 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3815 printf(" (switching to store-and-forward mode)"); 3816 } else { 3817 printf(" (raising TX threshold to %s)", 3818 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3819 } 3820 } 3821 sep = ", "; 3822 } 3823 } 3824 printf("\n"); 3825 } 3826 3827 static void 3828 tulip_intr_handler( 3829 tulip_softc_t * const sc, 3830 int *progress_p) 3831 { 3832 TULIP_PERFSTART(intr) 3833 u_int32_t csr; 3834 3835 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3836 *progress_p = 1; 3837 TULIP_CSR_WRITE(sc, csr_status, csr); 3838 3839 if (csr & TULIP_STS_SYSERROR) { 3840 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3841 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3842 sc->tulip_flags |= TULIP_SYSTEMERROR; 3843 } else { 3844 printf("%s%d: system error: %s\n", 3845 sc->tulip_name, sc->tulip_unit, 3846 tulip_system_errors[sc->tulip_last_system_error]); 3847 } 3848 sc->tulip_flags |= TULIP_NEEDRESET; 3849 sc->tulip_system_errors++; 3850 break; 3851 } 3852 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3853 #if defined(TULIP_DEBUG) 3854 sc->tulip_dbg.dbg_link_intrs++; 3855 #endif 3856 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3857 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3858 ? TULIP_MEDIAPOLL_LINKFAIL 3859 : TULIP_MEDIAPOLL_LINKPASS); 3860 csr &= ~TULIP_STS_ABNRMLINTR; 3861 } 3862 tulip_media_print(sc); 3863 } 3864 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3865 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3866 if (csr & TULIP_STS_RXNOBUF) 3867 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3868 /* 3869 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3870 * on receive overflows. 3871 */ 3872 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3873 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3874 /* 3875 * Stop the receiver process and spin until it's stopped. 3876 * Tell rx_intr to drop the packets it dequeues. 3877 */ 3878 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3879 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3880 ; 3881 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3882 sc->tulip_flags |= TULIP_RXIGNORE; 3883 } 3884 tulip_rx_intr(sc); 3885 if (sc->tulip_flags & TULIP_RXIGNORE) { 3886 /* 3887 * Restart the receiver. 3888 */ 3889 sc->tulip_flags &= ~TULIP_RXIGNORE; 3890 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3891 } 3892 } 3893 if (csr & TULIP_STS_ABNRMLINTR) { 3894 u_int32_t tmp = csr & sc->tulip_intrmask 3895 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3896 if (csr & TULIP_STS_TXUNDERFLOW) { 3897 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3898 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3899 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3900 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3901 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3902 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3903 } 3904 } 3905 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3906 sc->tulip_statusbits |= tmp; 3907 } else { 3908 tulip_print_abnormal_interrupt(sc, tmp); 3909 sc->tulip_flags |= TULIP_NOMESSAGES; 3910 } 3911 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3912 } 3913 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3914 tulip_tx_intr(sc); 3915 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3916 tulip_ifstart(&sc->tulip_if); 3917 } 3918 } 3919 if (sc->tulip_flags & TULIP_NEEDRESET) { 3920 tulip_reset(sc); 3921 tulip_init(sc); 3922 } 3923 TULIP_PERFEND(intr); 3924 } 3925 3926 #if defined(TULIP_USE_SOFTINTR) 3927 /* 3928 * This is a experimental idea to alleviate problems due to interrupt 3929 * livelock. What is interrupt livelock? It's when you spend all your 3930 * time servicing device interrupts and never drop below device ipl 3931 * to do "useful" work. 3932 * 3933 * So what we do here is see if the device needs service and if so, 3934 * disable interrupts (dismiss the interrupt), place it in a list of devices 3935 * needing service, and issue a network software interrupt. 3936 * 3937 * When our network software interrupt routine gets called, we simply 3938 * walk done the list of devices that we have created and deal with them 3939 * at splnet/splsoftnet. 3940 * 3941 */ 3942 static void 3943 tulip_hardintr_handler( 3944 tulip_softc_t * const sc, 3945 int *progress_p) 3946 { 3947 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3948 return; 3949 *progress_p = 1; 3950 /* 3951 * disable interrupts 3952 */ 3953 TULIP_CSR_WRITE(sc, csr_intr, 0); 3954 /* 3955 * mark it as needing a software interrupt 3956 */ 3957 tulip_softintr_mask |= (1U << sc->tulip_unit); 3958 } 3959 3960 static void 3961 tulip_softintr( 3962 void) 3963 { 3964 u_int32_t softintr_mask, mask; 3965 int progress = 0; 3966 int unit; 3967 int s; 3968 3969 /* 3970 * Copy mask to local copy and reset global one to 0. 3971 */ 3972 s = splimp(); 3973 softintr_mask = tulip_softintr_mask; 3974 tulip_softintr_mask = 0; 3975 splx(s); 3976 3977 /* 3978 * Optimize for the single unit case. 3979 */ 3980 if (tulip_softintr_max_unit == 0) { 3981 if (softintr_mask & 1) { 3982 tulip_softc_t * const sc = tulips[0]; 3983 /* 3984 * Handle the "interrupt" and then reenable interrupts 3985 */ 3986 softintr_mask = 0; 3987 tulip_intr_handler(sc, &progress); 3988 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3989 } 3990 return; 3991 } 3992 3993 /* 3994 * Handle all "queued" interrupts in a round robin fashion. 3995 * This is done so as not to favor a particular interface. 3996 */ 3997 unit = tulip_softintr_last_unit; 3998 mask = (1U << unit); 3999 while (softintr_mask != 0) { 4000 if (tulip_softintr_max_unit == unit) { 4001 unit = 0; mask = 1; 4002 } else { 4003 unit += 1; mask <<= 1; 4004 } 4005 if (softintr_mask & mask) { 4006 tulip_softc_t * const sc = tulips[unit]; 4007 /* 4008 * Handle the "interrupt" and then reenable interrupts 4009 */ 4010 softintr_mask ^= mask; 4011 tulip_intr_handler(sc, &progress); 4012 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4013 } 4014 } 4015 4016 /* 4017 * Save where we ending up. 4018 */ 4019 tulip_softintr_last_unit = unit; 4020 } 4021 #endif /* TULIP_USE_SOFTINTR */ 4022 4023 static void 4024 tulip_intr_shared( 4025 void *arg) 4026 { 4027 tulip_softc_t * sc = arg; 4028 int progress = 0; 4029 4030 for (; sc != NULL; sc = sc->tulip_slaves) { 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 #else 4037 tulip_intr_handler(sc, &progress); 4038 #endif 4039 } 4040 #if defined(TULIP_USE_SOFTINTR) 4041 if (progress) 4042 schednetisr(NETISR_DE); 4043 #endif 4044 } 4045 4046 static void 4047 tulip_intr_normal( 4048 void *arg) 4049 { 4050 tulip_softc_t * sc = (tulip_softc_t *) arg; 4051 int progress = 0; 4052 4053 #if defined(TULIP_DEBUG) 4054 sc->tulip_dbg.dbg_intrs++; 4055 #endif 4056 #if defined(TULIP_USE_SOFTINTR) 4057 tulip_hardintr_handler(sc, &progress); 4058 if (progress) 4059 schednetisr(NETISR_DE); 4060 #else 4061 tulip_intr_handler(sc, &progress); 4062 #endif 4063 } 4064 4065 static struct mbuf * 4066 tulip_mbuf_compress( 4067 struct mbuf *m) 4068 { 4069 struct mbuf *m0; 4070 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4071 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4072 if (m0 != NULL) { 4073 if (m->m_pkthdr.len > MHLEN) { 4074 MCLGET(m0, M_DONTWAIT); 4075 if ((m0->m_flags & M_EXT) == 0) { 4076 m_freem(m); 4077 m_freem(m0); 4078 return NULL; 4079 } 4080 } 4081 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4082 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4083 } 4084 #else 4085 int mlen = MHLEN; 4086 int len = m->m_pkthdr.len; 4087 struct mbuf **mp = &m0; 4088 4089 while (len > 0) { 4090 if (mlen == MHLEN) { 4091 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4092 } else { 4093 MGET(*mp, M_DONTWAIT, MT_DATA); 4094 } 4095 if (*mp == NULL) { 4096 m_freem(m0); 4097 m0 = NULL; 4098 break; 4099 } 4100 if (len > MLEN) { 4101 MCLGET(*mp, M_DONTWAIT); 4102 if (((*mp)->m_flags & M_EXT) == 0) { 4103 m_freem(m0); 4104 m0 = NULL; 4105 break; 4106 } 4107 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4108 } else { 4109 (*mp)->m_len = len <= mlen ? len : mlen; 4110 } 4111 m_copydata(m, m->m_pkthdr.len - len, 4112 (*mp)->m_len, mtod((*mp), caddr_t)); 4113 len -= (*mp)->m_len; 4114 mp = &(*mp)->m_next; 4115 mlen = MLEN; 4116 } 4117 #endif 4118 m_freem(m); 4119 return m0; 4120 } 4121 4122 static struct mbuf * 4123 tulip_txput( 4124 tulip_softc_t * const sc, 4125 struct mbuf *m) 4126 { 4127 TULIP_PERFSTART(txput) 4128 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4129 tulip_desc_t *eop, *nextout; 4130 int segcnt, free; 4131 u_int32_t d_status; 4132 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4133 bus_dmamap_t map; 4134 int error; 4135 #else 4136 struct mbuf *m0; 4137 #endif 4138 4139 #if defined(TULIP_DEBUG) 4140 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4141 printf("%s%d: txput%s: tx not running\n", 4142 sc->tulip_name, sc->tulip_unit, 4143 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4144 sc->tulip_flags |= TULIP_WANTTXSTART; 4145 sc->tulip_dbg.dbg_txput_finishes[0]++; 4146 goto finish; 4147 } 4148 #endif 4149 4150 /* 4151 * Now we try to fill in our transmit descriptors. This is 4152 * a bit reminiscent of going on the Ark two by two 4153 * since each descriptor for the TULIP can describe 4154 * two buffers. So we advance through packet filling 4155 * each of the two entries at a time to to fill each 4156 * descriptor. Clear the first and last segment bits 4157 * in each descriptor (actually just clear everything 4158 * but the end-of-ring or chain bits) to make sure 4159 * we don't get messed up by previously sent packets. 4160 * 4161 * We may fail to put the entire packet on the ring if 4162 * there is either not enough ring entries free or if the 4163 * packet has more than MAX_TXSEG segments. In the former 4164 * case we will just wait for the ring to empty. In the 4165 * latter case we have to recopy. 4166 */ 4167 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4168 again: 4169 m0 = m; 4170 #endif 4171 d_status = 0; 4172 eop = nextout = ri->ri_nextout; 4173 segcnt = 0; 4174 free = ri->ri_free; 4175 4176 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4177 /* 4178 * Reclaim some dma maps from if we are out. 4179 */ 4180 if (sc->tulip_txmaps_free == 0) { 4181 #if defined(TULIP_DEBUG) 4182 sc->tulip_dbg.dbg_no_txmaps++; 4183 #endif 4184 free += tulip_tx_intr(sc); 4185 } 4186 if (sc->tulip_txmaps_free > 0) { 4187 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4188 } else { 4189 sc->tulip_flags |= TULIP_WANTTXSTART; 4190 #if defined(TULIP_DEBUG) 4191 sc->tulip_dbg.dbg_txput_finishes[1]++; 4192 #endif 4193 goto finish; 4194 } 4195 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4196 if (error != 0) { 4197 if (error == EFBIG) { 4198 /* 4199 * The packet exceeds the number of transmit buffer 4200 * entries that we can use for one packet, so we have 4201 * to recopy it into one mbuf and then try again. 4202 */ 4203 m = tulip_mbuf_compress(m); 4204 if (m == NULL) { 4205 #if defined(TULIP_DEBUG) 4206 sc->tulip_dbg.dbg_txput_finishes[2]++; 4207 #endif 4208 goto finish; 4209 } 4210 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4211 } 4212 if (error != 0) { 4213 printf("%s%d: unable to load tx map, " 4214 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 4215 #if defined(TULIP_DEBUG) 4216 sc->tulip_dbg.dbg_txput_finishes[3]++; 4217 #endif 4218 goto finish; 4219 } 4220 } 4221 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4222 /* 4223 * See if there's any unclaimed space in the transmit ring. 4224 */ 4225 && (free += tulip_tx_intr(sc)) <= 0) { 4226 /* 4227 * There's no more room but since nothing 4228 * has been committed at this point, just 4229 * show output is active, put back the 4230 * mbuf and return. 4231 */ 4232 sc->tulip_flags |= TULIP_WANTTXSTART; 4233 #if defined(TULIP_DEBUG) 4234 sc->tulip_dbg.dbg_txput_finishes[4]++; 4235 #endif 4236 bus_dmamap_unload(sc->tulip_dmatag, map); 4237 goto finish; 4238 } 4239 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4240 eop = nextout; 4241 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4242 eop->d_status = d_status; 4243 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4244 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4245 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4246 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4247 d_status = TULIP_DSTS_OWNER; 4248 if (++nextout == ri->ri_last) 4249 nextout = ri->ri_first; 4250 } 4251 if (segcnt < map->dm_nsegs) { 4252 eop = nextout; 4253 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4254 eop->d_status = d_status; 4255 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4256 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4257 eop->d_addr2 = 0; 4258 eop->d_length2 = 0; 4259 if (++nextout == ri->ri_last) 4260 nextout = ri->ri_first; 4261 } 4262 TULIP_TXMAP_PRESYNC(sc, map); 4263 M_SETCTX(m, map); 4264 map = NULL; 4265 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4266 4267 #else /* !TULIP_BUS_DMA */ 4268 4269 do { 4270 int len = m0->m_len; 4271 caddr_t addr = mtod(m0, caddr_t); 4272 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4273 4274 while (len > 0) { 4275 unsigned slen = min(len, clsize); 4276 #ifdef BIG_PACKET 4277 int partial = 0; 4278 if (slen >= 2048) 4279 slen = 2040, partial = 1; 4280 #endif 4281 segcnt++; 4282 if (segcnt > TULIP_MAX_TXSEG) { 4283 /* 4284 * The packet exceeds the number of transmit buffer 4285 * entries that we can use for one packet, so we have 4286 * recopy it into one mbuf and then try again. 4287 */ 4288 m = tulip_mbuf_compress(m); 4289 if (m == NULL) 4290 goto finish; 4291 goto again; 4292 } 4293 if (segcnt & 1) { 4294 if (--free == 0) { 4295 /* 4296 * See if there's any unclaimed space in the 4297 * transmit ring. 4298 */ 4299 if ((free += tulip_tx_intr(sc)) == 0) { 4300 /* 4301 * There's no more room but since nothing 4302 * has been committed at this point, just 4303 * show output is active, put back the 4304 * mbuf and return. 4305 */ 4306 sc->tulip_flags |= TULIP_WANTTXSTART; 4307 #if defined(TULIP_DEBUG) 4308 sc->tulip_dbg.dbg_txput_finishes[1]++; 4309 #endif 4310 goto finish; 4311 } 4312 } 4313 eop = nextout; 4314 if (++nextout == ri->ri_last) 4315 nextout = ri->ri_first; 4316 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4317 eop->d_status = d_status; 4318 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4319 eop->d_length1 = slen; 4320 } else { 4321 /* 4322 * Fill in second half of descriptor 4323 */ 4324 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4325 eop->d_length2 = slen; 4326 } 4327 d_status = TULIP_DSTS_OWNER; 4328 len -= slen; 4329 addr += slen; 4330 #ifdef BIG_PACKET 4331 if (partial) 4332 continue; 4333 #endif 4334 clsize = PAGE_SIZE; 4335 } 4336 } while ((m0 = m0->m_next) != NULL); 4337 #endif /* TULIP_BUS_DMA */ 4338 4339 /* 4340 * bounce a copy to the bpf listener, if any. 4341 */ 4342 if (sc->tulip_if.if_bpf != NULL) 4343 bpf_mtap(&sc->tulip_if, m); 4344 4345 /* 4346 * The descriptors have been filled in. Now get ready 4347 * to transmit. 4348 */ 4349 IF_ENQUEUE(&sc->tulip_txq, m); 4350 m = NULL; 4351 4352 /* 4353 * Make sure the next descriptor after this packet is owned 4354 * by us since it may have been set up above if we ran out 4355 * of room in the ring. 4356 */ 4357 nextout->d_status = 0; 4358 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4359 4360 #if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4361 /* 4362 * If we only used the first segment of the last descriptor, 4363 * make sure the second segment will not be used. 4364 */ 4365 if (segcnt & 1) { 4366 eop->d_addr2 = 0; 4367 eop->d_length2 = 0; 4368 } 4369 #endif /* TULIP_BUS_DMA */ 4370 4371 /* 4372 * Mark the last and first segments, indicate we want a transmit 4373 * complete interrupt, and tell it to transmit! 4374 */ 4375 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4376 4377 /* 4378 * Note that ri->ri_nextout is still the start of the packet 4379 * and until we set the OWNER bit, we can still back out of 4380 * everything we have done. 4381 */ 4382 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4383 #if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4384 if (eop < ri->ri_nextout) { 4385 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4386 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4387 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4388 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4389 } else { 4390 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4391 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4392 } 4393 #endif 4394 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4395 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4396 4397 /* 4398 * This advances the ring for us. 4399 */ 4400 ri->ri_nextout = nextout; 4401 ri->ri_free = free; 4402 4403 TULIP_PERFEND(txput); 4404 4405 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4406 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4407 sc->tulip_if.if_flags |= IFF_OACTIVE; 4408 sc->tulip_if.if_start = tulip_ifstart; 4409 TULIP_PERFEND(txput); 4410 return NULL; 4411 } 4412 4413 /* 4414 * switch back to the single queueing ifstart. 4415 */ 4416 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4417 if (sc->tulip_txtimer == 0) 4418 sc->tulip_txtimer = TULIP_TXTIMER; 4419 #if defined(TULIP_DEBUG) 4420 sc->tulip_dbg.dbg_txput_finishes[5]++; 4421 #endif 4422 4423 /* 4424 * If we want a txstart, there must be not enough space in the 4425 * transmit ring. So we want to enable transmit done interrupts 4426 * so we can immediately reclaim some space. When the transmit 4427 * interrupt is posted, the interrupt handler will call tx_intr 4428 * to reclaim space and then txstart (since WANTTXSTART is set). 4429 * txstart will move the packet into the transmit ring and clear 4430 * WANTTXSTART thereby causing TXINTR to be cleared. 4431 */ 4432 finish: 4433 #if defined(TULIP_DEBUG) 4434 sc->tulip_dbg.dbg_txput_finishes[6]++; 4435 #endif 4436 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4437 sc->tulip_if.if_flags |= IFF_OACTIVE; 4438 sc->tulip_if.if_start = tulip_ifstart; 4439 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4440 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4441 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4442 } 4443 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4444 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4445 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4446 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4447 } 4448 } 4449 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4450 TULIP_PERFEND(txput); 4451 return m; 4452 } 4453 4454 static void 4455 tulip_txput_setup( 4456 tulip_softc_t * const sc) 4457 { 4458 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4459 tulip_desc_t *nextout; 4460 4461 /* 4462 * We will transmit, at most, one setup packet per call to ifstart. 4463 */ 4464 4465 #if defined(TULIP_DEBUG) 4466 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4467 printf("%s%d: txput_setup: tx not running\n", 4468 sc->tulip_name, sc->tulip_unit); 4469 sc->tulip_flags |= TULIP_WANTTXSTART; 4470 sc->tulip_if.if_start = tulip_ifstart; 4471 return; 4472 } 4473 #endif 4474 /* 4475 * Try to reclaim some free descriptors.. 4476 */ 4477 if (ri->ri_free < 2) 4478 tulip_tx_intr(sc); 4479 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4480 sc->tulip_flags |= TULIP_WANTTXSTART; 4481 sc->tulip_if.if_start = tulip_ifstart; 4482 return; 4483 } 4484 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4485 sizeof(sc->tulip_setupbuf)); 4486 /* 4487 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4488 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4489 */ 4490 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4491 ri->ri_free--; 4492 nextout = ri->ri_nextout; 4493 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4494 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4495 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4496 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4497 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4498 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4499 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4500 4501 nextout->d_length2 = 0; 4502 nextout->d_addr2 = 0; 4503 #if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4504 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4505 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4506 if (sc->tulip_setupmap->dm_nsegs == 2) { 4507 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4508 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4509 } 4510 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4511 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4512 #else 4513 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4514 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4515 #endif 4516 4517 /* 4518 * Advance the ring for the next transmit packet. 4519 */ 4520 if (++ri->ri_nextout == ri->ri_last) 4521 ri->ri_nextout = ri->ri_first; 4522 4523 /* 4524 * Make sure the next descriptor is owned by us since it 4525 * may have been set up above if we ran out of room in the 4526 * ring. 4527 */ 4528 ri->ri_nextout->d_status = 0; 4529 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4530 nextout->d_status = TULIP_DSTS_OWNER; 4531 /* 4532 * Flush the ownwership of the current descriptor 4533 */ 4534 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4535 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4536 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4537 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4538 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4539 } 4540 } 4541 4542 4543 /* 4544 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4545 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4546 * defined or not. 4547 */ 4548 static int 4549 tulip_ifioctl( 4550 struct ifnet * ifp, 4551 u_long cmd, 4552 caddr_t data) 4553 { 4554 TULIP_PERFSTART(ifioctl) 4555 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4556 struct ifaddr *ifa = (struct ifaddr *)data; 4557 struct ifreq *ifr = (struct ifreq *) data; 4558 int s; 4559 int error = 0; 4560 4561 #if defined(TULIP_USE_SOFTINTR) 4562 s = splnet(); 4563 #else 4564 s = splimp(); 4565 #endif 4566 switch (cmd) { 4567 case SIOCSIFADDR: { 4568 ifp->if_flags |= IFF_UP; 4569 switch(ifa->ifa_addr->sa_family) { 4570 #ifdef INET 4571 case AF_INET: { 4572 tulip_init(sc); 4573 arp_ifinit(&(sc)->tulip_ac, ifa); 4574 break; 4575 } 4576 #endif /* INET */ 4577 4578 #ifdef IPX 4579 case AF_IPX: { 4580 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4581 if (ipx_nullhost(*ina)) { 4582 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4583 } else { 4584 ifp->if_flags &= ~IFF_RUNNING; 4585 bcopy((caddr_t)ina->x_host.c_host, 4586 (caddr_t)sc->tulip_enaddr, 4587 sizeof(sc->tulip_enaddr)); 4588 } 4589 tulip_init(sc); 4590 break; 4591 } 4592 #endif /* IPX */ 4593 4594 #ifdef NS 4595 /* 4596 * This magic copied from if_is.c; I don't use XNS, 4597 * so I have no way of telling if this actually 4598 * works or not. 4599 */ 4600 case AF_NS: { 4601 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4602 if (ns_nullhost(*ina)) { 4603 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4604 } else { 4605 ifp->if_flags &= ~IFF_RUNNING; 4606 bcopy((caddr_t)ina->x_host.c_host, 4607 (caddr_t)sc->tulip_enaddr, 4608 sizeof(sc->tulip_enaddr)); 4609 } 4610 tulip_init(sc); 4611 break; 4612 } 4613 #endif /* NS */ 4614 4615 default: { 4616 tulip_init(sc); 4617 break; 4618 } 4619 } 4620 break; 4621 } 4622 case SIOCGIFADDR: { 4623 bcopy((caddr_t) sc->tulip_enaddr, 4624 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4625 6); 4626 break; 4627 } 4628 4629 case SIOCSIFFLAGS: { 4630 tulip_addr_filter(sc); /* reinit multicast filter */ 4631 tulip_init(sc); 4632 break; 4633 } 4634 4635 case SIOCSIFMEDIA: 4636 case SIOCGIFMEDIA: { 4637 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4638 break; 4639 } 4640 4641 case SIOCADDMULTI: 4642 case SIOCDELMULTI: { 4643 /* 4644 * Update multicast listeners 4645 */ 4646 tulip_addr_filter(sc); /* reset multicast filtering */ 4647 tulip_init(sc); 4648 error = 0; 4649 break; 4650 } 4651 4652 case SIOCSIFMTU: 4653 /* 4654 * Set the interface MTU. 4655 */ 4656 if (ifr->ifr_mtu > ETHERMTU 4657 #ifdef BIG_PACKET 4658 && sc->tulip_chipid != TULIP_21140 4659 && sc->tulip_chipid != TULIP_21140A 4660 && sc->tulip_chipid != TULIP_21041 4661 #endif 4662 ) { 4663 error = EINVAL; 4664 break; 4665 } 4666 ifp->if_mtu = ifr->ifr_mtu; 4667 #ifdef BIG_PACKET 4668 tulip_reset(sc); 4669 tulip_init(sc); 4670 #endif 4671 break; 4672 4673 #ifdef SIOCGADDRROM 4674 case SIOCGADDRROM: { 4675 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4676 break; 4677 } 4678 #endif 4679 #ifdef SIOCGCHIPID 4680 case SIOCGCHIPID: { 4681 ifr->ifr_metric = (int) sc->tulip_chipid; 4682 break; 4683 } 4684 #endif 4685 default: { 4686 error = EINVAL; 4687 break; 4688 } 4689 } 4690 4691 splx(s); 4692 TULIP_PERFEND(ifioctl); 4693 return error; 4694 } 4695 4696 /* 4697 * These routines gets called at device spl (from ether_output). This might 4698 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4699 * device spl from another driver. 4700 */ 4701 4702 static void 4703 tulip_ifstart( 4704 struct ifnet * const ifp) 4705 { 4706 TULIP_PERFSTART(ifstart) 4707 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4708 4709 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4710 4711 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4712 tulip_txput_setup(sc); 4713 4714 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4715 struct mbuf *m; 4716 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4717 if ((m = tulip_txput(sc, m)) != NULL) { 4718 IF_PREPEND(&sc->tulip_if.if_snd, m); 4719 break; 4720 } 4721 } 4722 if (sc->tulip_if.if_snd.ifq_head == NULL) 4723 sc->tulip_if.if_start = tulip_ifstart_one; 4724 } 4725 4726 TULIP_PERFEND(ifstart); 4727 } 4728 4729 static void 4730 tulip_ifstart_one( 4731 struct ifnet * const ifp) 4732 { 4733 TULIP_PERFSTART(ifstart_one) 4734 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4735 4736 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4737 && sc->tulip_if.if_snd.ifq_head != NULL) { 4738 struct mbuf *m; 4739 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4740 if ((m = tulip_txput(sc, m)) != NULL) 4741 IF_PREPEND(&sc->tulip_if.if_snd, m); 4742 } 4743 TULIP_PERFEND(ifstart_one); 4744 } 4745 4746 /* 4747 * Even though this routine runs at device spl, it does not break 4748 * our use of splnet (splsoftnet under NetBSD) for the majority 4749 * of this driver (if TULIP_USE_SOFTINTR defined) since 4750 * if_watcbog is called from if_watchdog which is called from 4751 * splsoftclock which is below spl[soft]net. 4752 */ 4753 static void 4754 tulip_ifwatchdog( 4755 struct ifnet *ifp) 4756 { 4757 TULIP_PERFSTART(ifwatchdog) 4758 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4759 4760 #if defined(TULIP_DEBUG) 4761 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4762 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4763 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4764 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4765 #endif /* TULIP_DEBUG */ 4766 4767 sc->tulip_if.if_timer = 1; 4768 /* 4769 * These should be rare so do a bulk test up front so we can just skip 4770 * them if needed. 4771 */ 4772 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4773 /* 4774 * If the number of receive buffer is low, try to refill 4775 */ 4776 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4777 tulip_rx_intr(sc); 4778 4779 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4780 printf("%s%d: %d system errors: last was %s\n", 4781 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 4782 tulip_system_errors[sc->tulip_last_system_error]); 4783 } 4784 if (sc->tulip_statusbits) { 4785 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4786 sc->tulip_statusbits = 0; 4787 } 4788 4789 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4790 } 4791 4792 if (sc->tulip_txtimer) 4793 tulip_tx_intr(sc); 4794 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4795 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 4796 if (TULIP_DO_AUTOSENSE(sc)) { 4797 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4798 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4799 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4800 } 4801 tulip_reset(sc); 4802 tulip_init(sc); 4803 } 4804 4805 TULIP_PERFEND(ifwatchdog); 4806 TULIP_PERFMERGE(sc, perf_intr_cycles); 4807 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4808 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4809 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4810 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4811 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4812 TULIP_PERFMERGE(sc, perf_txput_cycles); 4813 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4814 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4815 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4816 TULIP_PERFMERGE(sc, perf_intr); 4817 TULIP_PERFMERGE(sc, perf_ifstart); 4818 TULIP_PERFMERGE(sc, perf_ifioctl); 4819 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4820 TULIP_PERFMERGE(sc, perf_timeout); 4821 TULIP_PERFMERGE(sc, perf_ifstart_one); 4822 TULIP_PERFMERGE(sc, perf_txput); 4823 TULIP_PERFMERGE(sc, perf_txintr); 4824 TULIP_PERFMERGE(sc, perf_rxintr); 4825 TULIP_PERFMERGE(sc, perf_rxget); 4826 } 4827 4828 /* 4829 * All printf's are real as of now! 4830 */ 4831 #ifdef printf 4832 #undef printf 4833 #endif 4834 4835 static void 4836 tulip_attach( 4837 tulip_softc_t * const sc) 4838 { 4839 struct ifnet * const ifp = &sc->tulip_if; 4840 4841 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4842 ifp->if_ioctl = tulip_ifioctl; 4843 ifp->if_start = tulip_ifstart; 4844 ifp->if_watchdog = tulip_ifwatchdog; 4845 ifp->if_timer = 1; 4846 ifp->if_output = ether_output; 4847 4848 printf("%s%d: %s%s pass %d.%d%s\n", 4849 sc->tulip_name, sc->tulip_unit, 4850 sc->tulip_boardid, 4851 tulip_chipdescs[sc->tulip_chipid], 4852 (sc->tulip_revinfo & 0xF0) >> 4, 4853 sc->tulip_revinfo & 0x0F, 4854 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4855 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4856 printf("%s%d: address %6D\n", 4857 sc->tulip_name, sc->tulip_unit, sc->tulip_enaddr, ":"); 4858 4859 #if defined(__alpha__) 4860 /* 4861 * In case the SRM console told us about a bogus media, 4862 * we need to check to be safe. 4863 */ 4864 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4865 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4866 #endif 4867 4868 (*sc->tulip_boardsw->bd_media_probe)(sc); 4869 ifmedia_init(&sc->tulip_ifmedia, 0, 4870 tulip_ifmedia_change, 4871 tulip_ifmedia_status); 4872 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4873 tulip_ifmedia_add(sc); 4874 4875 tulip_reset(sc); 4876 4877 ether_ifattach(&(sc)->tulip_if, ETHER_BPF_SUPPORTED); 4878 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4879 } 4880 4881 #if defined(TULIP_BUS_DMA) 4882 #if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4883 static int 4884 tulip_busdma_allocmem( 4885 tulip_softc_t * const sc, 4886 size_t size, 4887 bus_dmamap_t *map_p, 4888 tulip_desc_t **desc_p) 4889 { 4890 bus_dma_segment_t segs[1]; 4891 int nsegs, error; 4892 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4893 segs, sizeof(segs)/sizeof(segs[0]), 4894 &nsegs, BUS_DMA_NOWAIT); 4895 if (error == 0) { 4896 void *desc; 4897 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4898 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4899 if (error == 0) { 4900 bus_dmamap_t map; 4901 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4902 BUS_DMA_NOWAIT, &map); 4903 if (error == 0) { 4904 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4905 size, NULL, BUS_DMA_NOWAIT); 4906 if (error) 4907 bus_dmamap_destroy(sc->tulip_dmatag, map); 4908 else 4909 *map_p = map; 4910 } 4911 if (error) 4912 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4913 } 4914 if (error) 4915 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4916 else 4917 *desc_p = desc; 4918 } 4919 return error; 4920 } 4921 #endif 4922 4923 static int 4924 tulip_busdma_init( 4925 tulip_softc_t * const sc) 4926 { 4927 int error = 0; 4928 4929 #if !defined(TULIP_BUS_DMA_NOTX) 4930 /* 4931 * Allocate dmamap for setup descriptor 4932 */ 4933 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4934 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4935 &sc->tulip_setupmap); 4936 if (error == 0) { 4937 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4938 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4939 NULL, BUS_DMA_NOWAIT); 4940 if (error) 4941 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4942 } 4943 /* 4944 * Allocate space and dmamap for transmit ring 4945 */ 4946 if (error == 0) { 4947 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4948 &sc->tulip_txdescmap, 4949 &sc->tulip_txdescs); 4950 } 4951 4952 /* 4953 * Allocate dmamaps for each transmit descriptors 4954 */ 4955 if (error == 0) { 4956 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4957 bus_dmamap_t map; 4958 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4959 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4960 } 4961 if (error) { 4962 while (sc->tulip_txmaps_free > 0) 4963 bus_dmamap_destroy(sc->tulip_dmatag, 4964 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4965 } 4966 } 4967 #else 4968 if (error == 0) { 4969 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4970 if (sc->tulip_txdescs == NULL) 4971 error = ENOMEM; 4972 } 4973 #endif 4974 #if !defined(TULIP_BUS_DMA_NORX) 4975 /* 4976 * Allocate space and dmamap for receive ring 4977 */ 4978 if (error == 0) { 4979 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4980 &sc->tulip_rxdescmap, 4981 &sc->tulip_rxdescs); 4982 } 4983 4984 /* 4985 * Allocate dmamaps for each receive descriptors 4986 */ 4987 if (error == 0) { 4988 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4989 bus_dmamap_t map; 4990 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4991 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4992 } 4993 if (error) { 4994 while (sc->tulip_rxmaps_free > 0) 4995 bus_dmamap_destroy(sc->tulip_dmatag, 4996 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4997 } 4998 } 4999 #else 5000 if (error == 0) { 5001 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5002 if (sc->tulip_rxdescs == NULL) 5003 error = ENOMEM; 5004 } 5005 #endif 5006 return error; 5007 } 5008 #endif /* TULIP_BUS_DMA */ 5009 5010 static void 5011 tulip_initcsrs( 5012 tulip_softc_t * const sc, 5013 tulip_csrptr_t csr_base, 5014 size_t csr_size) 5015 { 5016 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5017 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5018 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5019 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5020 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5021 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5022 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5023 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5024 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5025 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5026 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5027 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5028 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5029 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5030 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5031 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5032 } 5033 5034 static void 5035 tulip_initring( 5036 tulip_softc_t * const sc, 5037 tulip_ringinfo_t * const ri, 5038 tulip_desc_t *descs, 5039 int ndescs) 5040 { 5041 ri->ri_max = ndescs; 5042 ri->ri_first = descs; 5043 ri->ri_last = ri->ri_first + ri->ri_max; 5044 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5045 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5046 } 5047 5048 /* 5049 * This is the PCI configuration support. 5050 */ 5051 5052 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5053 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5054 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 5055 5056 static int 5057 tulip_pci_probe(device_t dev) 5058 { 5059 const char *name = NULL; 5060 5061 if (pci_get_vendor(dev) != DEC_VENDORID) 5062 return ENXIO; 5063 5064 /* 5065 * Some LanMedia WAN cards use the Tulip chip, but they have 5066 * their own driver, and we should not recognize them 5067 */ 5068 if (pci_get_subvendor(dev) == 0x1376) 5069 return ENXIO; 5070 5071 switch (pci_get_device(dev)) { 5072 case CHIPID_21040: 5073 name = "Digital 21040 Ethernet"; 5074 break; 5075 case CHIPID_21041: 5076 name = "Digital 21041 Ethernet"; 5077 break; 5078 case CHIPID_21140: 5079 if (pci_get_revid(dev) >= 0x20) 5080 name = "Digital 21140A Fast Ethernet"; 5081 else 5082 name = "Digital 21140 Fast Ethernet"; 5083 break; 5084 case CHIPID_21142: 5085 if (pci_get_revid(dev) >= 0x20) 5086 name = "Digital 21143 Fast Ethernet"; 5087 else 5088 name = "Digital 21142 Fast Ethernet"; 5089 break; 5090 } 5091 if (name) { 5092 device_set_desc(dev, name); 5093 return -200; 5094 } 5095 return ENXIO; 5096 } 5097 5098 static int 5099 tulip_shutdown(device_t dev) 5100 { 5101 tulip_softc_t * const sc = device_get_softc(dev); 5102 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5103 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5104 33MHz that comes to two microseconds but wait a 5105 bit longer anyways) */ 5106 return 0; 5107 } 5108 5109 static int 5110 tulip_pci_attach(device_t dev) 5111 { 5112 tulip_softc_t *sc; 5113 #if defined(__alpha__) 5114 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5115 #endif 5116 int retval, idx; 5117 u_int32_t revinfo, cfdainfo, cfcsinfo; 5118 unsigned csroffset = TULIP_PCI_CSROFFSET; 5119 unsigned csrsize = TULIP_PCI_CSRSIZE; 5120 tulip_csrptr_t csr_base; 5121 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5122 struct resource *res; 5123 int rid, unit; 5124 5125 unit = device_get_unit(dev); 5126 5127 if (unit >= TULIP_MAX_DEVICES) { 5128 printf("de%d", unit); 5129 printf(": not configured; limit of %d reached or exceeded\n", 5130 TULIP_MAX_DEVICES); 5131 return ENXIO; 5132 } 5133 5134 revinfo = pci_get_revid(dev); 5135 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5136 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 5137 5138 /* turn busmaster on in case BIOS doesn't set it */ 5139 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5140 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5141 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 5142 } 5143 5144 if (pci_get_vendor(dev) == DEC_VENDORID) { 5145 if (pci_get_device(dev) == CHIPID_21040) 5146 chipid = TULIP_21040; 5147 else if (pci_get_device(dev) == CHIPID_21041) 5148 chipid = TULIP_21041; 5149 else if (pci_get_device(dev) == CHIPID_21140) 5150 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5151 else if (pci_get_device(dev) == CHIPID_21142) 5152 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5153 } 5154 if (chipid == TULIP_CHIPID_UNKNOWN) 5155 return ENXIO; 5156 5157 if (chipid == TULIP_21040 && revinfo < 0x20) { 5158 printf("de%d", unit); 5159 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5160 revinfo >> 4, revinfo & 0x0f); 5161 return ENXIO; 5162 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5163 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5164 unit, revinfo >> 4, revinfo & 0x0f); 5165 return ENXIO; 5166 } 5167 5168 sc = device_get_softc(dev); 5169 sc->tulip_pci_busno = pci_get_bus(dev); 5170 sc->tulip_pci_devno = pci_get_slot(dev); 5171 sc->tulip_chipid = chipid; 5172 sc->tulip_flags |= TULIP_DEVICEPROBE; 5173 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5174 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5175 if (chipid == TULIP_21140A && revinfo <= 0x22) 5176 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5177 if (chipid == TULIP_21140) 5178 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5179 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5180 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5181 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5182 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5183 if (chipid != TULIP_21041 || revinfo >= 0x20) 5184 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5185 if (chipid != TULIP_21041) 5186 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5187 if (chipid != TULIP_21041 && revinfo >= 0x20) 5188 sc->tulip_features |= TULIP_HAVE_SIA100; 5189 } 5190 5191 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5192 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5193 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5194 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5195 DELAY(11*1000); 5196 } 5197 #if defined(__alpha__) 5198 /* 5199 * The Alpha SRM console encodes a console set media in the driver 5200 * part of the CFDA register. Note that the Multia presents a 5201 * problem in that its BNC mode is really EXTSIA. So in that case 5202 * force a probe. 5203 */ 5204 switch ((cfdainfo >> 8) & 0xff) { 5205 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5206 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5207 case 3: media = TULIP_MEDIA_10BASET; break; 5208 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5209 case 5: media = TULIP_MEDIA_100BASETX; break; 5210 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5211 default: media = TULIP_MEDIA_UNKNOWN; break; 5212 } 5213 #endif 5214 5215 sc->tulip_unit = unit; 5216 sc->tulip_name = "de"; 5217 sc->tulip_revinfo = revinfo; 5218 sc->tulip_if.if_softc = sc; 5219 #if defined(TULIP_IOMAPPED) 5220 rid = PCI_CBIO; 5221 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 5222 0, ~0, 1, RF_ACTIVE); 5223 #else 5224 rid = PCI_CBMA; 5225 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 5226 0, ~0, 1, RF_ACTIVE); 5227 #endif 5228 if (!res) 5229 return ENXIO; 5230 sc->tulip_csrs_bst = rman_get_bustag(res); 5231 sc->tulip_csrs_bsh = rman_get_bushandle(res); 5232 csr_base = 0; 5233 5234 tulips[unit] = sc; 5235 5236 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5237 5238 #if defined(TULIP_BUS_DMA) 5239 if ((retval = tulip_busdma_init(sc)) != 0) { 5240 printf("error initing bus_dma: %d\n", retval); 5241 return ENXIO; 5242 } 5243 #else 5244 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5245 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5246 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5247 printf("malloc failed\n"); 5248 if (sc->tulip_rxdescs) 5249 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5250 if (sc->tulip_txdescs) 5251 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5252 return ENXIO; 5253 } 5254 #endif 5255 5256 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5257 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5258 5259 /* 5260 * Make sure there won't be any interrupts or such... 5261 */ 5262 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5263 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5264 33MHz that comes to two microseconds but wait a 5265 bit longer anyways) */ 5266 5267 if ((retval = tulip_read_macaddr(sc)) < 0) { 5268 printf("%s%d", sc->tulip_name, sc->tulip_unit); 5269 printf(": can't read ENET ROM (why=%d) (", retval); 5270 for (idx = 0; idx < 32; idx++) 5271 printf("%02x", sc->tulip_rombuf[idx]); 5272 printf("\n"); 5273 printf("%s%d: %s%s pass %d.%d\n", 5274 sc->tulip_name, sc->tulip_unit, 5275 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5276 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5277 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 5278 } else { 5279 int s; 5280 void (*intr_rtn)(void *) = tulip_intr_normal; 5281 5282 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5283 intr_rtn = tulip_intr_shared; 5284 5285 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5286 void *ih; 5287 5288 rid = 0; 5289 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 5290 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 5291 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5292 intr_rtn, sc, &ih)) { 5293 printf("%s%d: couldn't map interrupt\n", 5294 sc->tulip_name, sc->tulip_unit); 5295 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5296 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5297 return ENXIO; 5298 } 5299 } 5300 #if defined(TULIP_USE_SOFTINTR) 5301 if (sc->tulip_unit > tulip_softintr_max_unit) 5302 tulip_softintr_max_unit = sc->tulip_unit; 5303 #endif 5304 5305 s = splimp(); 5306 #if defined(__alpha__) 5307 sc->tulip_media = media; 5308 #endif 5309 tulip_attach(sc); 5310 #if defined(__alpha__) 5311 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5312 tulip_linkup(sc, media); 5313 #endif 5314 splx(s); 5315 } 5316 return 0; 5317 } 5318 5319 static device_method_t tulip_pci_methods[] = { 5320 /* Device interface */ 5321 DEVMETHOD(device_probe, tulip_pci_probe), 5322 DEVMETHOD(device_attach, tulip_pci_attach), 5323 DEVMETHOD(device_shutdown, tulip_shutdown), 5324 { 0, 0 } 5325 }; 5326 static driver_t tulip_pci_driver = { 5327 "de", 5328 tulip_pci_methods, 5329 sizeof(tulip_softc_t), 5330 }; 5331 static devclass_t tulip_devclass; 5332 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0);

Cache object: 0dc65c39abe912962341b06dac28d571

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

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