if_de.c revision 148252
1185377Ssam/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2185377Ssam/*- 3185377Ssam * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4185377Ssam * All rights reserved. 5185377Ssam * 6185377Ssam * Redistribution and use in source and binary forms, with or without 7185377Ssam * modification, are permitted provided that the following conditions 8185377Ssam * are met: 9185377Ssam * 1. Redistributions of source code must retain the above copyright 10185377Ssam * notice, this list of conditions and the following disclaimer. 11185377Ssam * 2. The name of the author may not be used to endorse or promote products 12185377Ssam * derived from this software without specific prior written permission 13185377Ssam * 14185377Ssam * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15185377Ssam * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16185377Ssam * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17204644Srpaulo * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18185377Ssam * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19185377Ssam * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20185377Ssam * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21185377Ssam * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22185377Ssam * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23185377Ssam * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24185377Ssam * 25185377Ssam * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26185377Ssam */ 27185377Ssam 28185377Ssam/* 29185377Ssam * DEC 21040 PCI Ethernet Controller 30185377Ssam * 31185377Ssam * Written by Matt Thomas 32185377Ssam * BPF support code stolen directly from if_ec.c 33185377Ssam * 34185377Ssam * This driver supports the DEC DE435 or any other PCI 35185377Ssam * board which support 21040, 21041, or 21140 (mostly). 36185377Ssam */ 37185377Ssam 38185377Ssam#include <sys/cdefs.h> 39185377Ssam__FBSDID("$FreeBSD: head/sys/dev/de/if_de.c 148252 2005-07-21 16:40:08Z jhb $"); 40185377Ssam 41185377Ssam#define TULIP_HDR_DATA 42185377Ssam 43185377Ssam#include <sys/param.h> 44185377Ssam#include <sys/systm.h> 45185377Ssam#include <sys/endian.h> 46185377Ssam#include <sys/mbuf.h> 47185377Ssam#include <sys/socket.h> 48185380Ssam#include <sys/sockio.h> 49185377Ssam#include <sys/malloc.h> 50185377Ssam#include <sys/kernel.h> 51#include <sys/module.h> 52#include <sys/eventhandler.h> 53#include <machine/bus.h> 54#include <machine/resource.h> 55#include <sys/bus.h> 56#include <sys/rman.h> 57 58#include <net/if.h> 59#include <net/if_arp.h> 60#include <net/ethernet.h> 61#include <net/if_media.h> 62#include <net/if_types.h> 63#include <net/if_dl.h> 64 65#include <net/bpf.h> 66 67#ifdef INET 68#include <netinet/in.h> 69#include <netinet/if_ether.h> 70#endif 71 72#include <vm/vm.h> 73 74#include <net/if_var.h> 75#include <vm/pmap.h> 76#include <dev/pci/pcivar.h> 77#include <dev/pci/pcireg.h> 78#include <pci/dc21040reg.h> 79 80/* 81 * Intel CPUs should use I/O mapped access. 82 */ 83#if defined(__i386__) 84#define TULIP_IOMAPPED 85#endif 86 87#if 0 88/* 89 * This turns on all sort of debugging stuff and make the 90 * driver much larger. 91 */ 92#define TULIP_DEBUG 93#endif 94 95#if 0 96#define TULIP_PERFSTATS 97#endif 98 99#define TULIP_HZ 10 100 101#include <pci/if_devar.h> 102 103/* 104 * This module supports 105 * the DEC 21040 PCI Ethernet Controller. 106 * the DEC 21041 PCI Ethernet Controller. 107 * the DEC 21140 PCI Fast Ethernet Controller. 108 */ 109static void tulip_addr_filter(tulip_softc_t * const sc); 110static void tulip_ifinit(void *); 111static int tulip_ifmedia_change(struct ifnet * const ifp); 112static void tulip_ifmedia_status(struct ifnet * const ifp, 113 struct ifmediareq *req); 114static void tulip_ifstart(struct ifnet *ifp); 115static void tulip_init(tulip_softc_t * const sc); 116static void tulip_intr_shared(void *arg); 117static void tulip_intr_normal(void *arg); 118static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 119 const unsigned phyaddr); 120static int tulip_mii_map_abilities(tulip_softc_t * const sc, 121 unsigned abilities); 122static tulip_media_t 123 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 124static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 125 unsigned regno); 126static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 127 unsigned regno, unsigned data); 128static void tulip_reset(tulip_softc_t * const sc); 129static void tulip_rx_intr(tulip_softc_t * const sc); 130static int tulip_srom_decode(tulip_softc_t * const sc); 131static struct mbuf * 132 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 133static void tulip_txput_setup(tulip_softc_t * const sc); 134 135static void 136tulip_timeout_callback( 137 void *arg) 138{ 139 tulip_softc_t * const sc = arg; 140 int s = splimp(); 141 142 TULIP_PERFSTART(timeout) 143 144 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 145 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 146 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 147 148 TULIP_PERFEND(timeout); 149 splx(s); 150} 151 152static void 153tulip_timeout( 154 tulip_softc_t * const sc) 155{ 156 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 157 return; 158 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 159 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 160} 161 162 163static int 164tulip_txprobe( 165 tulip_softc_t * const sc) 166{ 167 struct mbuf *m; 168 /* 169 * Before we are sure this is the right media we need 170 * to send a small packet to make sure there's carrier. 171 * Strangely, BNC and AUI will "see" receive data if 172 * either is connected so the transmit is the only way 173 * to verify the connectivity. 174 */ 175 MGETHDR(m, M_DONTWAIT, MT_DATA); 176 if (m == NULL) 177 return 0; 178 /* 179 * Construct a LLC TEST message which will point to ourselves. 180 */ 181 bcopy(IFP2ENADDR(sc->tulip_ifp), mtod(m, struct ether_header *)->ether_dhost, 6); 182 bcopy(IFP2ENADDR(sc->tulip_ifp), mtod(m, struct ether_header *)->ether_shost, 6); 183 mtod(m, struct ether_header *)->ether_type = htons(3); 184 mtod(m, unsigned char *)[14] = 0; 185 mtod(m, unsigned char *)[15] = 0; 186 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 187 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 188 /* 189 * send it! 190 */ 191 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 192 sc->tulip_intrmask |= TULIP_STS_TXINTR; 193 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 194 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 195 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 196 if ((m = tulip_txput(sc, m)) != NULL) 197 m_freem(m); 198 sc->tulip_probe.probe_txprobes++; 199 return 1; 200} 201 202 203static void 204tulip_media_set( 205 tulip_softc_t * const sc, 206 tulip_media_t media) 207{ 208 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 209 210 if (mi == NULL) 211 return; 212 213 /* 214 * If we are switching media, make sure we don't think there's 215 * any stale RX activity 216 */ 217 sc->tulip_flags &= ~TULIP_RXACT; 218 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 219 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 220 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 221 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 222 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 223 DELAY(50); 224 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 225 } else { 226 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 227 } 228 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 229 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 230#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 231 /* 232 * If the cmdmode bits don't match the currently operating mode, 233 * set the cmdmode appropriately and reset the chip. 234 */ 235 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 236 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 237 sc->tulip_cmdmode |= mi->mi_cmdmode; 238 tulip_reset(sc); 239 } 240 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 241 DELAY(10); 242 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 243 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 244 /* 245 * If the cmdmode bits don't match the currently operating mode, 246 * set the cmdmode appropriately and reset the chip. 247 */ 248 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 249 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 250 sc->tulip_cmdmode |= mi->mi_cmdmode; 251 tulip_reset(sc); 252 } 253 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 254 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 255 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 256 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 257 int idx; 258 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 259 const u_int8_t *dp; 260 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 261 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 262 DELAY(10); 263 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 264 } 265 sc->tulip_phyaddr = mi->mi_phyaddr; 266 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 267 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 268 DELAY(10); 269 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 270 } 271 } else { 272 for (idx = 0; idx < mi->mi_reset_length; idx++) { 273 DELAY(10); 274 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 275 } 276 sc->tulip_phyaddr = mi->mi_phyaddr; 277 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 278 DELAY(10); 279 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 280 } 281 } 282 if (sc->tulip_flags & TULIP_TRYNWAY) { 283 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 284 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 285 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 286 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 287 sc->tulip_flags &= ~TULIP_DIDNWAY; 288 if (TULIP_IS_MEDIA_FD(media)) 289 data |= PHYCTL_FULL_DUPLEX; 290 if (TULIP_IS_MEDIA_100MB(media)) 291 data |= PHYCTL_SELECT_100MB; 292 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 293 } 294 } 295} 296 297static void 298tulip_linkup( 299 tulip_softc_t * const sc, 300 tulip_media_t media) 301{ 302 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 303 sc->tulip_flags |= TULIP_PRINTLINKUP; 304 sc->tulip_flags |= TULIP_LINKUP; 305 sc->tulip_ifp->if_flags &= ~IFF_OACTIVE; 306#if 0 /* XXX how does with work with ifmedia? */ 307 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 308 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) { 309 if (TULIP_CAN_MEDIA_FD(media) 310 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 311 media = TULIP_FD_MEDIA_OF(media); 312 } else { 313 if (TULIP_IS_MEDIA_FD(media) 314 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 315 media = TULIP_HD_MEDIA_OF(media); 316 } 317 } 318#endif 319 if (sc->tulip_media != media) { 320#ifdef TULIP_DEBUG 321 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 322#endif 323 sc->tulip_media = media; 324 sc->tulip_flags |= TULIP_PRINTMEDIA; 325 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 326 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 327 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 328 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 329 } 330 } 331 /* 332 * We could set probe_timeout to 0 but setting to 3000 puts this 333 * in one central place and the only matters is tulip_link is 334 * followed by a tulip_timeout. Therefore setting it should not 335 * result in aberrant behavour. 336 */ 337 sc->tulip_probe_timeout = 3000; 338 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 339 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 340 if (sc->tulip_flags & TULIP_INRESET) { 341 tulip_media_set(sc, sc->tulip_media); 342 } else if (sc->tulip_probe_media != sc->tulip_media) { 343 /* 344 * No reason to change media if we have the right media. 345 */ 346 tulip_reset(sc); 347 } 348 tulip_init(sc); 349} 350 351static void 352tulip_media_print( 353 tulip_softc_t * const sc) 354{ 355 struct ifnet *ifp = sc->tulip_ifp; 356 357 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 358 return; 359 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 360 if_printf(ifp, "enabling %s port\n", 361 tulip_mediums[sc->tulip_media]); 362 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 363 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 364 if_printf(ifp, "link up\n"); 365 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 366 } 367} 368 369#if defined(TULIP_DO_GPR_SENSE) 370static tulip_media_t 371tulip_21140_gpr_media_sense( 372 tulip_softc_t * const sc) 373{ 374 struct ifnet *ifp sc->tulip_ifp; 375 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 376 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 377 tulip_media_t media; 378 379 /* 380 * If one of the media blocks contained a default media flag, 381 * use that. 382 */ 383 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 384 const tulip_media_info_t *mi; 385 /* 386 * Media is not supported (or is full-duplex). 387 */ 388 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 389 continue; 390 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 391 continue; 392 393 /* 394 * Remember the media is this is the "default" media. 395 */ 396 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 397 maybe_media = media; 398 399 /* 400 * No activity mask? Can't see if it is active if there's no mask. 401 */ 402 if (mi->mi_actmask == 0) 403 continue; 404 405 /* 406 * Does the activity data match? 407 */ 408 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 409 continue; 410 411#if defined(TULIP_DEBUG) 412 if_printf(ifp, "gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 413 tulip_mediums[media], 414 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 415 mi->mi_actmask, mi->mi_actdata); 416#endif 417 /* 418 * It does! If this is the first media we detected, then 419 * remember this media. If isn't the first, then there were 420 * multiple matches which we equate to no match (since we don't 421 * which to select (if any). 422 */ 423 if (last_media == TULIP_MEDIA_UNKNOWN) { 424 last_media = media; 425 } else if (last_media != media) { 426 last_media = TULIP_MEDIA_UNKNOWN; 427 } 428 } 429 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 430} 431#endif /* TULIP_DO_GPR_SENSE */ 432 433static tulip_link_status_t 434tulip_media_link_monitor( 435 tulip_softc_t * const sc) 436{ 437 struct ifnet *ifp = sc->tulip_ifp; 438 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 439 tulip_link_status_t linkup = TULIP_LINK_DOWN; 440 441 if (mi == NULL) { 442#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 443 panic("tulip_media_link_monitor: %s: botch at line %d\n", 444 tulip_mediums[sc->tulip_media],__LINE__); 445#else 446 return TULIP_LINK_UNKNOWN; 447#endif 448 } 449 450 451 /* 452 * Have we seen some packets? If so, the link must be good. 453 */ 454 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 455 sc->tulip_flags &= ~TULIP_RXACT; 456 sc->tulip_probe_timeout = 3000; 457 return TULIP_LINK_UP; 458 } 459 460 sc->tulip_flags &= ~TULIP_RXACT; 461 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 462 u_int32_t status; 463 /* 464 * Read the PHY status register. 465 */ 466 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 467 if (status & PHYSTS_AUTONEG_DONE) { 468 /* 469 * If the PHY has completed autonegotiation, see the if the 470 * remote systems abilities have changed. If so, upgrade or 471 * downgrade as appropriate. 472 */ 473 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 474 abilities = (abilities << 6) & status; 475 if (abilities != sc->tulip_abilities) { 476#if defined(TULIP_DEBUG) 477 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 478 ifp->if_xname, sc->tulip_phyaddr, 479 sc->tulip_abilities, abilities); 480#endif 481 if (tulip_mii_map_abilities(sc, abilities)) { 482 tulip_linkup(sc, sc->tulip_probe_media); 483 return TULIP_LINK_UP; 484 } 485 /* 486 * if we had selected media because of autonegotiation, 487 * we need to probe for the new media. 488 */ 489 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 490 if (sc->tulip_flags & TULIP_DIDNWAY) 491 return TULIP_LINK_DOWN; 492 } 493 } 494 /* 495 * The link is now up. If was down, say its back up. 496 */ 497 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 498 linkup = TULIP_LINK_UP; 499 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 500 /* 501 * No activity sensor? Assume all's well. 502 */ 503 if (mi->mi_actmask == 0) 504 return TULIP_LINK_UNKNOWN; 505 /* 506 * Does the activity data match? 507 */ 508 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 509 linkup = TULIP_LINK_UP; 510 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 511 /* 512 * Assume non TP ok for now. 513 */ 514 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 515 return TULIP_LINK_UNKNOWN; 516 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 517 linkup = TULIP_LINK_UP; 518#if defined(TULIP_DEBUG) 519 if (sc->tulip_probe_timeout <= 0) 520 if_printf(ifp, "sia status = 0x%08x\n", 521 TULIP_CSR_READ(sc, csr_sia_status)); 522#endif 523 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 524 return TULIP_LINK_UNKNOWN; 525 } 526 /* 527 * We will wait for 3 seconds until the link goes into suspect mode. 528 */ 529 if (sc->tulip_flags & TULIP_LINKUP) { 530 if (linkup == TULIP_LINK_UP) 531 sc->tulip_probe_timeout = 3000; 532 if (sc->tulip_probe_timeout > 0) 533 return TULIP_LINK_UP; 534 535 sc->tulip_flags &= ~TULIP_LINKUP; 536 if_printf(ifp, "link down: cable problem?\n"); 537 } 538#if defined(TULIP_DEBUG) 539 sc->tulip_dbg.dbg_link_downed++; 540#endif 541 return TULIP_LINK_DOWN; 542} 543 544static void 545tulip_media_poll( 546 tulip_softc_t * const sc, 547 tulip_mediapoll_event_t event) 548{ 549 struct ifnet *ifp = sc->tulip_ifp; 550 551#if defined(TULIP_DEBUG) 552 sc->tulip_dbg.dbg_events[event]++; 553#endif 554 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 555 && event == TULIP_MEDIAPOLL_TIMER) { 556 switch (tulip_media_link_monitor(sc)) { 557 case TULIP_LINK_DOWN: { 558 /* 559 * Link Monitor failed. Probe for new media. 560 */ 561 event = TULIP_MEDIAPOLL_LINKFAIL; 562 break; 563 } 564 case TULIP_LINK_UP: { 565 /* 566 * Check again soon. 567 */ 568 tulip_timeout(sc); 569 return; 570 } 571 case TULIP_LINK_UNKNOWN: { 572 /* 573 * We can't tell so don't bother. 574 */ 575 return; 576 } 577 } 578 } 579 580 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 581 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 582 if (TULIP_DO_AUTOSENSE(sc)) { 583#if defined(TULIP_DEBUG) 584 sc->tulip_dbg.dbg_link_failures++; 585#endif 586 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 587 if (sc->tulip_ifp->if_flags & IFF_UP) 588 tulip_reset(sc); /* restart probe */ 589 } 590 return; 591 } 592#if defined(TULIP_DEBUG) 593 sc->tulip_dbg.dbg_link_pollintrs++; 594#endif 595 } 596 597 if (event == TULIP_MEDIAPOLL_START) { 598 sc->tulip_ifp->if_flags |= IFF_OACTIVE; 599 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 600 return; 601 sc->tulip_probe_mediamask = 0; 602 sc->tulip_probe_passes = 0; 603#if defined(TULIP_DEBUG) 604 sc->tulip_dbg.dbg_media_probes++; 605#endif 606 /* 607 * If the SROM contained an explicit media to use, use it. 608 */ 609 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 610 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 611 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 612 /* 613 * connidx is defaulted to a media_unknown type. 614 */ 615 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 616 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 617 tulip_linkup(sc, sc->tulip_probe_media); 618 tulip_timeout(sc); 619 return; 620 } 621 622 if (sc->tulip_features & TULIP_HAVE_GPR) { 623 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 624 sc->tulip_probe_timeout = 2000; 625 } else { 626 sc->tulip_probe_media = TULIP_MEDIA_MAX; 627 sc->tulip_probe_timeout = 0; 628 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 629 } 630 } 631 632 /* 633 * Ignore txprobe failures or spurious callbacks. 634 */ 635 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 636 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 637 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 638 return; 639 } 640 641 /* 642 * If we really transmitted a packet, then that's the media we'll use. 643 */ 644 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 645 if (event == TULIP_MEDIAPOLL_LINKPASS) { 646 /* XXX Check media status just to be sure */ 647 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 648#if defined(TULIP_DEBUG) 649 } else { 650 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 651#endif 652 } 653 tulip_linkup(sc, sc->tulip_probe_media); 654 tulip_timeout(sc); 655 return; 656 } 657 658 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 659#if defined(TULIP_DO_GPR_SENSE) 660 /* 661 * Check for media via the general purpose register. 662 * 663 * Try to sense the media via the GPR. If the same value 664 * occurs 3 times in a row then just use that. 665 */ 666 if (sc->tulip_probe_timeout > 0) { 667 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 668#if defined(TULIP_DEBUG) 669 if_printf(ifp, "media_poll: gpr sensing = %s\n", 670 tulip_mediums[new_probe_media]); 671#endif 672 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 673 if (new_probe_media == sc->tulip_probe_media) { 674 if (--sc->tulip_probe_count == 0) 675 tulip_linkup(sc, sc->tulip_probe_media); 676 } else { 677 sc->tulip_probe_count = 10; 678 } 679 } 680 sc->tulip_probe_media = new_probe_media; 681 tulip_timeout(sc); 682 return; 683 } 684#endif /* TULIP_DO_GPR_SENSE */ 685 /* 686 * Brute force. We cycle through each of the media types 687 * and try to transmit a packet. 688 */ 689 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 690 sc->tulip_probe_media = TULIP_MEDIA_MAX; 691 sc->tulip_probe_timeout = 0; 692 tulip_timeout(sc); 693 return; 694 } 695 696 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 697 && (sc->tulip_features & TULIP_HAVE_MII)) { 698 tulip_media_t old_media = sc->tulip_probe_media; 699 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 700 switch (sc->tulip_probe_state) { 701 case TULIP_PROBE_FAILED: 702 case TULIP_PROBE_MEDIATEST: { 703 /* 704 * Try the next media. 705 */ 706 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 707 sc->tulip_probe_timeout = 0; 708#ifdef notyet 709 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 710 break; 711 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 712 break; 713 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 714#endif 715 break; 716 } 717 case TULIP_PROBE_PHYAUTONEG: { 718 return; 719 } 720 case TULIP_PROBE_INACTIVE: { 721 /* 722 * Only probe if we autonegotiated a media that hasn't failed. 723 */ 724 sc->tulip_probe_timeout = 0; 725 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 726 sc->tulip_probe_media = old_media; 727 break; 728 } 729 tulip_linkup(sc, sc->tulip_probe_media); 730 tulip_timeout(sc); 731 return; 732 } 733 default: { 734#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 735 panic("tulip_media_poll: botch at line %d\n", __LINE__); 736#endif 737 break; 738 } 739 } 740 } 741 742 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 743#if defined(TULIP_DEBUG) 744 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 745#endif 746 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 747 return; 748 } 749 750 /* 751 * switch to another media if we tried this one enough. 752 */ 753 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 754#if defined(TULIP_DEBUG) 755 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 756 if_printf(ifp, "poll media unknown!\n"); 757 sc->tulip_probe_media = TULIP_MEDIA_MAX; 758 } 759#endif 760 /* 761 * Find the next media type to check for. Full Duplex 762 * types are not allowed. 763 */ 764 do { 765 sc->tulip_probe_media -= 1; 766 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 767 if (++sc->tulip_probe_passes == 3) { 768 if_printf(ifp, "autosense failed: cable problem?\n"); 769 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 770 sc->tulip_ifp->if_flags &= ~IFF_RUNNING; 771 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 772 return; 773 } 774 } 775 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 776 sc->tulip_probe_mediamask = 0; 777 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 778 } 779 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 780 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 781 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 782 783#if defined(TULIP_DEBUG) 784 if_printf(ifp, "%s: probing %s\n", 785 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 786 tulip_mediums[sc->tulip_probe_media]); 787#endif 788 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 789 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 790 sc->tulip_probe.probe_txprobes = 0; 791 tulip_reset(sc); 792 tulip_media_set(sc, sc->tulip_probe_media); 793 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 794 } 795 tulip_timeout(sc); 796 797 /* 798 * If this is hanging off a phy, we know are doing NWAY and we have 799 * forced the phy to a specific speed. Wait for link up before 800 * before sending a packet. 801 */ 802 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 803 case TULIP_MEDIAINFO_MII: { 804 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 805 return; 806 break; 807 } 808 case TULIP_MEDIAINFO_SIA: { 809 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 810 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 811 return; 812 tulip_linkup(sc, sc->tulip_probe_media); 813#ifdef notyet 814 if (sc->tulip_features & TULIP_HAVE_MII) 815 tulip_timeout(sc); 816#endif 817 return; 818 } 819 break; 820 } 821 case TULIP_MEDIAINFO_RESET: 822 case TULIP_MEDIAINFO_SYM: 823 case TULIP_MEDIAINFO_NONE: 824 case TULIP_MEDIAINFO_GPR: { 825 break; 826 } 827 } 828 /* 829 * Try to send a packet. 830 */ 831 tulip_txprobe(sc); 832} 833 834static void 835tulip_media_select( 836 tulip_softc_t * const sc) 837{ 838 if (sc->tulip_features & TULIP_HAVE_GPR) { 839 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 840 DELAY(10); 841 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 842 } 843 /* 844 * If this board has no media, just return 845 */ 846 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 847 return; 848 849 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 850 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 851 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 852 } else { 853 tulip_media_set(sc, sc->tulip_media); 854 } 855} 856 857static void 858tulip_21040_mediainfo_init( 859 tulip_softc_t * const sc, 860 tulip_media_t media) 861{ 862 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 863 |TULIP_CMD_BACKOFFCTR; 864 sc->tulip_ifp->if_baudrate = 10000000; 865 866 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 867 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 868 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 869 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 870 } 871 872 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 873 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 874 } 875 876 if (media == TULIP_MEDIA_UNKNOWN) { 877 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 878 } 879} 880 881static void 882tulip_21040_media_probe( 883 tulip_softc_t * const sc) 884{ 885 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 886 return; 887} 888 889static void 890tulip_21040_10baset_only_media_probe( 891 tulip_softc_t * const sc) 892{ 893 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 894 tulip_media_set(sc, TULIP_MEDIA_10BASET); 895 sc->tulip_media = TULIP_MEDIA_10BASET; 896} 897 898static void 899tulip_21040_10baset_only_media_select( 900 tulip_softc_t * const sc) 901{ 902 sc->tulip_flags |= TULIP_LINKUP; 903 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 904 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 905 sc->tulip_flags &= ~TULIP_SQETEST; 906 } else { 907 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 908 sc->tulip_flags |= TULIP_SQETEST; 909 } 910 tulip_media_set(sc, sc->tulip_media); 911} 912 913static void 914tulip_21040_auibnc_only_media_probe( 915 tulip_softc_t * const sc) 916{ 917 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 918 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 919 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 920 sc->tulip_media = TULIP_MEDIA_AUIBNC; 921} 922 923static void 924tulip_21040_auibnc_only_media_select( 925 tulip_softc_t * const sc) 926{ 927 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 928 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 929} 930 931static const tulip_boardsw_t tulip_21040_boardsw = { 932 TULIP_21040_GENERIC, 933 tulip_21040_media_probe, 934 tulip_media_select, 935 tulip_media_poll, 936}; 937 938static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 939 TULIP_21040_GENERIC, 940 tulip_21040_10baset_only_media_probe, 941 tulip_21040_10baset_only_media_select, 942 NULL, 943}; 944 945static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 946 TULIP_21040_GENERIC, 947 tulip_21040_auibnc_only_media_probe, 948 tulip_21040_auibnc_only_media_select, 949 NULL, 950}; 951 952static void 953tulip_21041_mediainfo_init( 954 tulip_softc_t * const sc) 955{ 956 tulip_media_info_t * const mi = sc->tulip_mediainfo; 957 958#ifdef notyet 959 if (sc->tulip_revinfo >= 0x20) { 960 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 961 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 962 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 963 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 964 return; 965 } 966#endif 967 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 968 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 969 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 970 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 971} 972 973static void 974tulip_21041_media_probe( 975 tulip_softc_t * const sc) 976{ 977 sc->tulip_ifp->if_baudrate = 10000000; 978 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 979 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 980 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 981 tulip_21041_mediainfo_init(sc); 982} 983 984static void 985tulip_21041_media_poll( 986 tulip_softc_t * const sc, 987 const tulip_mediapoll_event_t event) 988{ 989 u_int32_t sia_status; 990 991#if defined(TULIP_DEBUG) 992 sc->tulip_dbg.dbg_events[event]++; 993#endif 994 995 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 996 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 997 || !TULIP_DO_AUTOSENSE(sc)) 998 return; 999 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1000 tulip_reset(sc); /* start probe */ 1001 return; 1002 } 1003 1004 /* 1005 * If we've been been asked to start a poll or link change interrupt 1006 * restart the probe (and reset the tulip to a known state). 1007 */ 1008 if (event == TULIP_MEDIAPOLL_START) { 1009 sc->tulip_ifp->if_flags |= IFF_OACTIVE; 1010 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1011#ifdef notyet 1012 if (sc->tulip_revinfo >= 0x20) { 1013 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1014 sc->tulip_flags |= TULIP_DIDNWAY; 1015 } 1016#endif 1017 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1018 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1019 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1020 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1021 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1022 tulip_timeout(sc); 1023 return; 1024 } 1025 1026 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1027 return; 1028 1029 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1030#if defined(TULIP_DEBUG) 1031 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1032#endif 1033 tulip_linkup(sc, sc->tulip_probe_media); 1034 return; 1035 } 1036 1037 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1038 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1039 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1040 if (sc->tulip_revinfo >= 0x20) { 1041 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1042 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1043 } 1044 /* 1045 * If the link has passed LinkPass, 10baseT is the 1046 * proper media to use. 1047 */ 1048 tulip_linkup(sc, sc->tulip_probe_media); 1049 return; 1050 } 1051 1052 /* 1053 * wait for up to 2.4 seconds for the link to reach pass state. 1054 * Only then start scanning the other media for activity. 1055 * choose media with receive activity over those without. 1056 */ 1057 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1058 if (event != TULIP_MEDIAPOLL_TIMER) 1059 return; 1060 if (sc->tulip_probe_timeout > 0 1061 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1062 tulip_timeout(sc); 1063 return; 1064 } 1065 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1066 sc->tulip_flags |= TULIP_WANTRXACT; 1067 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1068 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1069 } else { 1070 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1071 } 1072 tulip_media_set(sc, sc->tulip_probe_media); 1073 tulip_timeout(sc); 1074 return; 1075 } 1076 1077 /* 1078 * If we failed, clear the txprobe active flag. 1079 */ 1080 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1081 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1082 1083 1084 if (event == TULIP_MEDIAPOLL_TIMER) { 1085 /* 1086 * If we've received something, then that's our link! 1087 */ 1088 if (sc->tulip_flags & TULIP_RXACT) { 1089 tulip_linkup(sc, sc->tulip_probe_media); 1090 return; 1091 } 1092 /* 1093 * if no txprobe active 1094 */ 1095 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1096 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1097 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1098 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1099 tulip_txprobe(sc); 1100 tulip_timeout(sc); 1101 return; 1102 } 1103 /* 1104 * Take 2 passes through before deciding to not 1105 * wait for receive activity. Then take another 1106 * two passes before spitting out a warning. 1107 */ 1108 if (sc->tulip_probe_timeout <= 0) { 1109 if (sc->tulip_flags & TULIP_WANTRXACT) { 1110 sc->tulip_flags &= ~TULIP_WANTRXACT; 1111 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1112 } else { 1113 if_printf(sc->tulip_ifp, 1114 "autosense failed: cable problem?\n"); 1115 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 1116 sc->tulip_ifp->if_flags &= ~IFF_RUNNING; 1117 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1118 return; 1119 } 1120 } 1121 } 1122 } 1123 1124 /* 1125 * Since this media failed to probe, try the other one. 1126 */ 1127 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1128 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1129 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1130 } else { 1131 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1132 } 1133 tulip_media_set(sc, sc->tulip_probe_media); 1134 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1135 tulip_timeout(sc); 1136} 1137 1138static const tulip_boardsw_t tulip_21041_boardsw = { 1139 TULIP_21041_GENERIC, 1140 tulip_21041_media_probe, 1141 tulip_media_select, 1142 tulip_21041_media_poll 1143}; 1144 1145static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1146 { 0x20005c00, 0, /* 08-00-17 */ 1147 { 1148 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1149 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1150 }, 1151#if defined(TULIP_DEBUG) 1152 "NS DP83840", 1153#endif 1154 }, 1155 { 0x0281F400, 0, /* 00-A0-7D */ 1156 { 1157 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1158 { }, /* 100TX */ 1159 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1160 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1161 }, 1162#if defined(TULIP_DEBUG) 1163 "Seeq 80C240" 1164#endif 1165 }, 1166#if 0 1167 { 0x0015F420, 0, /* 00-A0-7D */ 1168 { 1169 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1170 { }, /* 100TX */ 1171 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1172 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1173 }, 1174#if defined(TULIP_DEBUG) 1175 "Broadcom BCM5000" 1176#endif 1177 }, 1178#endif 1179 { 0x0281F400, 0, /* 00-A0-BE */ 1180 { 1181 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1182 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1183 { }, /* 100T4 */ 1184 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1185 }, 1186#if defined(TULIP_DEBUG) 1187 "ICS 1890" 1188#endif 1189 }, 1190 { 0 } 1191}; 1192 1193static tulip_media_t 1194tulip_mii_phy_readspecific( 1195 tulip_softc_t * const sc) 1196{ 1197 const tulip_phy_attr_t *attr; 1198 u_int16_t data; 1199 u_int32_t id; 1200 unsigned idx = 0; 1201 static const tulip_media_t table[] = { 1202 TULIP_MEDIA_UNKNOWN, 1203 TULIP_MEDIA_10BASET, 1204 TULIP_MEDIA_100BASETX, 1205 TULIP_MEDIA_100BASET4, 1206 TULIP_MEDIA_UNKNOWN, 1207 TULIP_MEDIA_10BASET_FD, 1208 TULIP_MEDIA_100BASETX_FD, 1209 TULIP_MEDIA_UNKNOWN 1210 }; 1211 1212 /* 1213 * Don't read phy specific registers if link is not up. 1214 */ 1215 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1216 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1217 return TULIP_MEDIA_UNKNOWN; 1218 1219 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1220 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1221 for (attr = tulip_mii_phy_attrlist;; attr++) { 1222 if (attr->attr_id == 0) 1223 return TULIP_MEDIA_UNKNOWN; 1224 if ((id & ~0x0F) == attr->attr_id) 1225 break; 1226 } 1227 1228 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1229 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1230 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1231 if ((data & pm->pm_mask) == pm->pm_value) 1232 idx = 2; 1233 } 1234 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1235 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1236 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1237 if ((data & pm->pm_mask) == pm->pm_value) 1238 idx = 3; 1239 } 1240 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1241 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1242 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1243 if ((data & pm->pm_mask) == pm->pm_value) 1244 idx = 1; 1245 } 1246 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1247 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1248 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1249 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1250 } 1251 return table[idx]; 1252} 1253 1254static unsigned 1255tulip_mii_get_phyaddr( 1256 tulip_softc_t * const sc, 1257 unsigned offset) 1258{ 1259 unsigned phyaddr; 1260 1261 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1262 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1263 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1264 continue; 1265 if (offset == 0) 1266 return phyaddr; 1267 offset--; 1268 } 1269 if (offset == 0) { 1270 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1271 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1272 return TULIP_MII_NOPHY; 1273 return 0; 1274 } 1275 return TULIP_MII_NOPHY; 1276} 1277 1278static int 1279tulip_mii_map_abilities( 1280 tulip_softc_t * const sc, 1281 unsigned abilities) 1282{ 1283 sc->tulip_abilities = abilities; 1284 if (abilities & PHYSTS_100BASETX_FD) { 1285 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1286 } else if (abilities & PHYSTS_100BASET4) { 1287 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1288 } else if (abilities & PHYSTS_100BASETX) { 1289 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1290 } else if (abilities & PHYSTS_10BASET_FD) { 1291 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1292 } else if (abilities & PHYSTS_10BASET) { 1293 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1294 } else { 1295 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1296 return 0; 1297 } 1298 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1299 return 1; 1300} 1301 1302static void 1303tulip_mii_autonegotiate( 1304 tulip_softc_t * const sc, 1305 const unsigned phyaddr) 1306{ 1307 struct ifnet *ifp = sc->tulip_ifp; 1308 1309 switch (sc->tulip_probe_state) { 1310 case TULIP_PROBE_MEDIATEST: 1311 case TULIP_PROBE_INACTIVE: { 1312 sc->tulip_flags |= TULIP_DIDNWAY; 1313 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1314 sc->tulip_probe_timeout = 3000; 1315 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1316 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1317 } 1318 /* FALLTHROUGH */ 1319 case TULIP_PROBE_PHYRESET: { 1320 u_int32_t status; 1321 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1322 if (data & PHYCTL_RESET) { 1323 if (sc->tulip_probe_timeout > 0) { 1324 tulip_timeout(sc); 1325 return; 1326 } 1327 printf("%s(phy%d): error: reset of PHY never completed!\n", 1328 ifp->if_xname, phyaddr); 1329 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1330 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1331 sc->tulip_ifp->if_flags &= ~(IFF_UP|IFF_RUNNING); 1332 return; 1333 } 1334 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1335 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1336#if defined(TULIP_DEBUG) 1337 loudprintf("%s(phy%d): autonegotiation disabled\n", 1338 ifp->if_xname, phyaddr); 1339#endif 1340 sc->tulip_flags &= ~TULIP_DIDNWAY; 1341 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1342 return; 1343 } 1344 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1345 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1346 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1347 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1348#if defined(TULIP_DEBUG) 1349 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1350 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1351 ifp->if_xname, phyaddr, data); 1352 else 1353 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1354 ifp->if_xname, phyaddr, data); 1355 sc->tulip_dbg.dbg_nway_starts++; 1356#endif 1357 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1358 sc->tulip_probe_timeout = 3000; 1359 } 1360 /* FALLTHROUGH */ 1361 case TULIP_PROBE_PHYAUTONEG: { 1362 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1363 u_int32_t data; 1364 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1365 if (sc->tulip_probe_timeout > 0) { 1366 tulip_timeout(sc); 1367 return; 1368 } 1369#if defined(TULIP_DEBUG) 1370 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1371 ifp->if_xname, phyaddr, status, 1372 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1373#endif 1374 sc->tulip_flags &= ~TULIP_DIDNWAY; 1375 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1376 return; 1377 } 1378 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1379#if defined(TULIP_DEBUG) 1380 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1381 ifp->if_xname, phyaddr, data); 1382#endif 1383 data = (data << 6) & status; 1384 if (!tulip_mii_map_abilities(sc, data)) 1385 sc->tulip_flags &= ~TULIP_DIDNWAY; 1386 return; 1387 } 1388 default: { 1389#if defined(DIAGNOSTIC) 1390 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1391#endif 1392 break; 1393 } 1394 } 1395#if defined(TULIP_DEBUG) 1396 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1397 ifp->if_xname, phyaddr, sc->tulip_probe_state); 1398 sc->tulip_dbg.dbg_nway_failures++; 1399#endif 1400} 1401 1402static void 1403tulip_2114x_media_preset( 1404 tulip_softc_t * const sc) 1405{ 1406 const tulip_media_info_t *mi = NULL; 1407 tulip_media_t media = sc->tulip_media; 1408 1409 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1410 media = sc->tulip_media; 1411 else 1412 media = sc->tulip_probe_media; 1413 1414 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1415 sc->tulip_flags &= ~TULIP_SQETEST; 1416 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1417#if defined(TULIP_DEBUG) 1418 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1419#endif 1420 mi = sc->tulip_mediums[media]; 1421 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1422 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1423 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1424 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1425 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1426 sc->tulip_cmdmode |= mi->mi_cmdmode; 1427 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1428 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1429 } 1430#if defined(TULIP_DEBUG) 1431 } else { 1432 if_printf(sc->tulip_ifp, "preset: bad media %d!\n", media); 1433 } 1434#endif 1435 } 1436 switch (media) { 1437 case TULIP_MEDIA_BNC: 1438 case TULIP_MEDIA_AUI: 1439 case TULIP_MEDIA_10BASET: { 1440 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1441 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1442 sc->tulip_ifp->if_baudrate = 10000000; 1443 sc->tulip_flags |= TULIP_SQETEST; 1444 break; 1445 } 1446 case TULIP_MEDIA_10BASET_FD: { 1447 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1448 sc->tulip_ifp->if_baudrate = 10000000; 1449 break; 1450 } 1451 case TULIP_MEDIA_100BASEFX: 1452 case TULIP_MEDIA_100BASET4: 1453 case TULIP_MEDIA_100BASETX: { 1454 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1455 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1456 sc->tulip_ifp->if_baudrate = 100000000; 1457 break; 1458 } 1459 case TULIP_MEDIA_100BASEFX_FD: 1460 case TULIP_MEDIA_100BASETX_FD: { 1461 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1462 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1463 sc->tulip_ifp->if_baudrate = 100000000; 1464 break; 1465 } 1466 default: { 1467 break; 1468 } 1469 } 1470 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1471} 1472 1473/* 1474 ******************************************************************** 1475 * Start of 21140/21140A support which does not use the MII interface 1476 */ 1477 1478static void 1479tulip_null_media_poll( 1480 tulip_softc_t * const sc, 1481 tulip_mediapoll_event_t event) 1482{ 1483#if defined(TULIP_DEBUG) 1484 sc->tulip_dbg.dbg_events[event]++; 1485#endif 1486#if defined(DIAGNOSTIC) 1487 if_printf(sc->tulip_ifp, "botch(media_poll) at line %d\n", __LINE__); 1488#endif 1489} 1490 1491__inline static void 1492tulip_21140_mediainit( 1493 tulip_softc_t * const sc, 1494 tulip_media_info_t * const mip, 1495 tulip_media_t const media, 1496 unsigned gpdata, 1497 unsigned cmdmode) 1498{ 1499 sc->tulip_mediums[media] = mip; 1500 mip->mi_type = TULIP_MEDIAINFO_GPR; 1501 mip->mi_cmdmode = cmdmode; 1502 mip->mi_gpdata = gpdata; 1503} 1504 1505static void 1506tulip_21140_evalboard_media_probe( 1507 tulip_softc_t * const sc) 1508{ 1509 tulip_media_info_t *mip = sc->tulip_mediainfo; 1510 1511 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1512 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1513 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1514 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1515 TULIP_CSR_WRITE(sc, csr_command, 1516 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1517 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1518 TULIP_CSR_WRITE(sc, csr_command, 1519 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1520 DELAY(1000000); 1521 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1522 sc->tulip_media = TULIP_MEDIA_10BASET; 1523 } else { 1524 sc->tulip_media = TULIP_MEDIA_100BASETX; 1525 } 1526 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1527 TULIP_GP_EB_INIT, 1528 TULIP_CMD_TXTHRSHLDCTL); 1529 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1530 TULIP_GP_EB_INIT, 1531 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1532 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1533 TULIP_GP_EB_INIT, 1534 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1535 |TULIP_CMD_SCRAMBLER); 1536 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1537 TULIP_GP_EB_INIT, 1538 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1539 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1540} 1541 1542static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1543 TULIP_21140_DEC_EB, 1544 tulip_21140_evalboard_media_probe, 1545 tulip_media_select, 1546 tulip_null_media_poll, 1547 tulip_2114x_media_preset, 1548}; 1549 1550static void 1551tulip_21140_accton_media_probe( 1552 tulip_softc_t * const sc) 1553{ 1554 tulip_media_info_t *mip = sc->tulip_mediainfo; 1555 unsigned gpdata; 1556 1557 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1558 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1559 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1560 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1561 TULIP_CSR_WRITE(sc, csr_command, 1562 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1563 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1564 TULIP_CSR_WRITE(sc, csr_command, 1565 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1566 DELAY(1000000); 1567 gpdata = TULIP_CSR_READ(sc, csr_gp); 1568 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1569 sc->tulip_media = TULIP_MEDIA_10BASET; 1570 } else { 1571 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1572 sc->tulip_media = TULIP_MEDIA_BNC; 1573 } else { 1574 sc->tulip_media = TULIP_MEDIA_100BASETX; 1575 } 1576 } 1577 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1578 TULIP_GP_EN1207_BNC_INIT, 1579 TULIP_CMD_TXTHRSHLDCTL); 1580 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1581 TULIP_GP_EN1207_UTP_INIT, 1582 TULIP_CMD_TXTHRSHLDCTL); 1583 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1584 TULIP_GP_EN1207_UTP_INIT, 1585 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1586 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1587 TULIP_GP_EN1207_100_INIT, 1588 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1589 |TULIP_CMD_SCRAMBLER); 1590 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1591 TULIP_GP_EN1207_100_INIT, 1592 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1593 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1594} 1595 1596static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1597 TULIP_21140_EN1207, 1598 tulip_21140_accton_media_probe, 1599 tulip_media_select, 1600 tulip_null_media_poll, 1601 tulip_2114x_media_preset, 1602}; 1603 1604static void 1605tulip_21140_smc9332_media_probe( 1606 tulip_softc_t * const sc) 1607{ 1608 tulip_media_info_t *mip = sc->tulip_mediainfo; 1609 int idx, cnt = 0; 1610 1611 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1612 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1613 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1614 33MHz that comes to two microseconds but wait a 1615 bit longer anyways) */ 1616 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1617 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1618 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1619 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1620 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1621 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1622 DELAY(200000); 1623 for (idx = 1000; idx > 0; idx--) { 1624 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1625 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1626 if (++cnt > 100) 1627 break; 1628 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1629 break; 1630 } else { 1631 cnt = 0; 1632 } 1633 DELAY(1000); 1634 } 1635 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1636 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1637 TULIP_GP_SMC_9332_INIT, 1638 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1639 |TULIP_CMD_SCRAMBLER); 1640 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1641 TULIP_GP_SMC_9332_INIT, 1642 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1643 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1644 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1645 TULIP_GP_SMC_9332_INIT, 1646 TULIP_CMD_TXTHRSHLDCTL); 1647 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1648 TULIP_GP_SMC_9332_INIT, 1649 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1650} 1651 1652static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1653 TULIP_21140_SMC_9332, 1654 tulip_21140_smc9332_media_probe, 1655 tulip_media_select, 1656 tulip_null_media_poll, 1657 tulip_2114x_media_preset, 1658}; 1659 1660static void 1661tulip_21140_cogent_em100_media_probe( 1662 tulip_softc_t * const sc) 1663{ 1664 tulip_media_info_t *mip = sc->tulip_mediainfo; 1665 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1666 1667 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1668 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1669 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1670 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1671 1672 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1673 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1674 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1675 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1676 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1677 1678 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1679 TULIP_GP_EM100_INIT, 1680 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1681 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1682 TULIP_GP_EM100_INIT, 1683 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1684 |TULIP_CMD_FULLDUPLEX); 1685 } else { 1686 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1687 sc->tulip_media = TULIP_MEDIA_100BASETX; 1688 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1689 TULIP_GP_EM100_INIT, 1690 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1691 |TULIP_CMD_SCRAMBLER); 1692 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1693 TULIP_GP_EM100_INIT, 1694 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1695 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1696 } 1697} 1698 1699static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1700 TULIP_21140_COGENT_EM100, 1701 tulip_21140_cogent_em100_media_probe, 1702 tulip_media_select, 1703 tulip_null_media_poll, 1704 tulip_2114x_media_preset 1705}; 1706 1707static void 1708tulip_21140_znyx_zx34x_media_probe( 1709 tulip_softc_t * const sc) 1710{ 1711 tulip_media_info_t *mip = sc->tulip_mediainfo; 1712 int cnt10 = 0, cnt100 = 0, idx; 1713 1714 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1715 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1716 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1717 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1718 TULIP_CSR_WRITE(sc, csr_command, 1719 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1720 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1721 TULIP_CSR_WRITE(sc, csr_command, 1722 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1723 1724 DELAY(200000); 1725 for (idx = 1000; idx > 0; idx--) { 1726 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1727 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)) { 1728 if (++cnt100 > 100) 1729 break; 1730 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1731 if (++cnt10 > 100) 1732 break; 1733 } else { 1734 cnt10 = 0; 1735 cnt100 = 0; 1736 } 1737 DELAY(1000); 1738 } 1739 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1740 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1741 TULIP_GP_ZX34X_INIT, 1742 TULIP_CMD_TXTHRSHLDCTL); 1743 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1744 TULIP_GP_ZX34X_INIT, 1745 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1746 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1747 TULIP_GP_ZX34X_INIT, 1748 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1749 |TULIP_CMD_SCRAMBLER); 1750 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1751 TULIP_GP_ZX34X_INIT, 1752 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1753 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1754} 1755 1756static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1757 TULIP_21140_ZNYX_ZX34X, 1758 tulip_21140_znyx_zx34x_media_probe, 1759 tulip_media_select, 1760 tulip_null_media_poll, 1761 tulip_2114x_media_preset, 1762}; 1763 1764static void 1765tulip_2114x_media_probe( 1766 tulip_softc_t * const sc) 1767{ 1768 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1769 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1770} 1771 1772static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1773 TULIP_21140_ISV, 1774 tulip_2114x_media_probe, 1775 tulip_media_select, 1776 tulip_media_poll, 1777 tulip_2114x_media_preset, 1778}; 1779 1780/* 1781 * ******** END of chip-specific handlers. *********** 1782 */ 1783 1784/* 1785 * Code the read the SROM and MII bit streams (I2C) 1786 */ 1787#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1788 1789static void 1790tulip_srom_idle( 1791 tulip_softc_t * const sc) 1792{ 1793 unsigned bit, csr; 1794 1795 csr = SROMSEL ; EMIT; 1796 csr = SROMSEL | SROMRD; EMIT; 1797 csr ^= SROMCS; EMIT; 1798 csr ^= SROMCLKON; EMIT; 1799 1800 /* 1801 * Write 25 cycles of 0 which will force the SROM to be idle. 1802 */ 1803 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1804 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1805 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1806 } 1807 csr ^= SROMCLKOFF; EMIT; 1808 csr ^= SROMCS; EMIT; 1809 csr = 0; EMIT; 1810} 1811 1812 1813static void 1814tulip_srom_read( 1815 tulip_softc_t * const sc) 1816{ 1817 unsigned idx; 1818 const unsigned bitwidth = SROM_BITWIDTH; 1819 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1820 const unsigned msb = 1 << (bitwidth + 3 - 1); 1821 unsigned lastidx = (1 << bitwidth) - 1; 1822 1823 tulip_srom_idle(sc); 1824 1825 for (idx = 0; idx <= lastidx; idx++) { 1826 unsigned lastbit, data, bits, bit, csr; 1827 csr = SROMSEL ; EMIT; 1828 csr = SROMSEL | SROMRD; EMIT; 1829 csr ^= SROMCSON; EMIT; 1830 csr ^= SROMCLKON; EMIT; 1831 1832 lastbit = 0; 1833 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1834 const unsigned thisbit = bits & msb; 1835 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1836 if (thisbit != lastbit) { 1837 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1838 } else { 1839 EMIT; 1840 } 1841 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1842 lastbit = thisbit; 1843 } 1844 csr ^= SROMCLKOFF; EMIT; 1845 1846 for (data = 0, bits = 0; bits < 16; bits++) { 1847 data <<= 1; 1848 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1849 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1850 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1851 } 1852 sc->tulip_rombuf[idx*2] = data & 0xFF; 1853 sc->tulip_rombuf[idx*2+1] = data >> 8; 1854 csr = SROMSEL | SROMRD; EMIT; 1855 csr = 0; EMIT; 1856 } 1857 tulip_srom_idle(sc); 1858} 1859 1860#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1861 1862static void 1863tulip_mii_writebits( 1864 tulip_softc_t * const sc, 1865 unsigned data, 1866 unsigned bits) 1867{ 1868 unsigned msb = 1 << (bits - 1); 1869 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1870 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1871 1872 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1873 1874 for (; bits > 0; bits--, data <<= 1) { 1875 const unsigned thisbit = data & msb; 1876 if (thisbit != lastbit) { 1877 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1878 } 1879 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1880 lastbit = thisbit; 1881 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1882 } 1883} 1884 1885static void 1886tulip_mii_turnaround( 1887 tulip_softc_t * const sc, 1888 unsigned cmd) 1889{ 1890 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1891 1892 if (cmd == MII_WRCMD) { 1893 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1894 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1895 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1896 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1897 } else { 1898 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1899 } 1900 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1901 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1902} 1903 1904static unsigned 1905tulip_mii_readbits( 1906 tulip_softc_t * const sc) 1907{ 1908 unsigned data; 1909 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1910 int idx; 1911 1912 for (idx = 0, data = 0; idx < 16; idx++) { 1913 data <<= 1; /* this is NOOP on the first pass through */ 1914 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1915 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1916 data |= 1; 1917 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1918 } 1919 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1920 1921 return data; 1922} 1923 1924static unsigned 1925tulip_mii_readreg( 1926 tulip_softc_t * const sc, 1927 unsigned devaddr, 1928 unsigned regno) 1929{ 1930 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1931 unsigned data; 1932 1933 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1934 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1935 tulip_mii_writebits(sc, MII_RDCMD, 8); 1936 tulip_mii_writebits(sc, devaddr, 5); 1937 tulip_mii_writebits(sc, regno, 5); 1938 tulip_mii_turnaround(sc, MII_RDCMD); 1939 1940 data = tulip_mii_readbits(sc); 1941#if defined(TULIP_DEBUG) 1942 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1943 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1944#endif 1945 return data; 1946} 1947 1948static void 1949tulip_mii_writereg( 1950 tulip_softc_t * const sc, 1951 unsigned devaddr, 1952 unsigned regno, 1953 unsigned data) 1954{ 1955 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1956 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1957 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1958 tulip_mii_writebits(sc, MII_WRCMD, 8); 1959 tulip_mii_writebits(sc, devaddr, 5); 1960 tulip_mii_writebits(sc, regno, 5); 1961 tulip_mii_turnaround(sc, MII_WRCMD); 1962 tulip_mii_writebits(sc, data, 16); 1963#if defined(TULIP_DEBUG) 1964 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1965 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1966#endif 1967} 1968 1969#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 1970#define tulip_srom_crcok(databuf) ( \ 1971 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 1972 ((databuf)[126] | ((databuf)[127] << 8))) 1973 1974static void 1975tulip_identify_dec_nic( 1976 tulip_softc_t * const sc) 1977{ 1978 strcpy(sc->tulip_boardid, "DEC "); 1979#define D0 4 1980 if (sc->tulip_chipid <= TULIP_21040) 1981 return; 1982 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1983 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1984 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1985 sc->tulip_boardid[D0+8] = ' '; 1986 } 1987#undef D0 1988} 1989 1990static void 1991tulip_identify_znyx_nic( 1992 tulip_softc_t * const sc) 1993{ 1994 unsigned id = 0; 1995 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 1996 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1997 unsigned znyx_ptr; 1998 sc->tulip_boardid[8] = '4'; 1999 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2000 if (znyx_ptr < 26 || znyx_ptr > 116) { 2001 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2002 return; 2003 } 2004 /* ZX344 = 0010 .. 0013FF 2005 */ 2006 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2007 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2008 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2009 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2010 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2011 sc->tulip_boardid[9] = '2'; 2012 if (id == TULIP_ZNYX_ID_ZX342B) { 2013 sc->tulip_boardid[10] = 'B'; 2014 sc->tulip_boardid[11] = ' '; 2015 } 2016 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2017 } else if (id == TULIP_ZNYX_ID_ZX344) { 2018 sc->tulip_boardid[10] = '4'; 2019 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2020 } else if (id == TULIP_ZNYX_ID_ZX345) { 2021 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2022 } else if (id == TULIP_ZNYX_ID_ZX346) { 2023 sc->tulip_boardid[9] = '6'; 2024 } else if (id == TULIP_ZNYX_ID_ZX351) { 2025 sc->tulip_boardid[8] = '5'; 2026 sc->tulip_boardid[9] = '1'; 2027 } 2028 } 2029 if (id == 0) { 2030 /* 2031 * Assume it's a ZX342... 2032 */ 2033 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2034 } 2035 return; 2036 } 2037 sc->tulip_boardid[8] = '1'; 2038 if (sc->tulip_chipid == TULIP_21041) { 2039 sc->tulip_boardid[10] = '1'; 2040 return; 2041 } 2042 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2043 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2044 if (id == TULIP_ZNYX_ID_ZX312T) { 2045 sc->tulip_boardid[9] = '2'; 2046 sc->tulip_boardid[10] = 'T'; 2047 sc->tulip_boardid[11] = ' '; 2048 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2049 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2050 sc->tulip_boardid[9] = '4'; 2051 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2052 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2053 } else if (id == TULIP_ZNYX_ID_ZX314) { 2054 sc->tulip_boardid[9] = '4'; 2055 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2056 sc->tulip_features |= TULIP_HAVE_BASEROM; 2057 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2058 sc->tulip_boardid[9] = '5'; 2059 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2060 } else if (id == TULIP_ZNYX_ID_ZX315) { 2061 sc->tulip_boardid[9] = '5'; 2062 sc->tulip_features |= TULIP_HAVE_BASEROM; 2063 } else { 2064 id = 0; 2065 } 2066 } 2067 if (id == 0) { 2068 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2069 sc->tulip_boardid[9] = '4'; 2070 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2071 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2072 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2073 sc->tulip_boardid[9] = '5'; 2074 sc->tulip_boardsw = &tulip_21040_boardsw; 2075 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2076 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2077 sc->tulip_boardid[9] = '2'; 2078 sc->tulip_boardsw = &tulip_21040_boardsw; 2079 } 2080 } 2081} 2082 2083static void 2084tulip_identify_smc_nic( 2085 tulip_softc_t * const sc) 2086{ 2087 u_int32_t id1, id2, ei; 2088 int auibnc = 0, utp = 0; 2089 char *cp; 2090 2091 strcpy(sc->tulip_boardid, "SMC "); 2092 if (sc->tulip_chipid == TULIP_21041) 2093 return; 2094 if (sc->tulip_chipid != TULIP_21040) { 2095 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2096 strcpy(&sc->tulip_boardid[4], "9332DST "); 2097 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2098 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2099 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2100 } else { 2101 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2102 } 2103 return; 2104 } 2105 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2106 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2107 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2108 2109 strcpy(&sc->tulip_boardid[4], "8432"); 2110 cp = &sc->tulip_boardid[8]; 2111 if ((id1 & 1) == 0) 2112 *cp++ = 'B', auibnc = 1; 2113 if ((id1 & 0xFF) > 0x32) 2114 *cp++ = 'T', utp = 1; 2115 if ((id1 & 0x4000) == 0) 2116 *cp++ = 'A', auibnc = 1; 2117 if (id2 == 0x15) { 2118 sc->tulip_boardid[7] = '4'; 2119 *cp++ = '-'; 2120 *cp++ = 'C'; 2121 *cp++ = 'H'; 2122 *cp++ = (ei ? '2' : '1'); 2123 } 2124 *cp++ = ' '; 2125 *cp = '\0'; 2126 if (utp && !auibnc) 2127 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2128 else if (!utp && auibnc) 2129 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2130} 2131 2132static void 2133tulip_identify_cogent_nic( 2134 tulip_softc_t * const sc) 2135{ 2136 strcpy(sc->tulip_boardid, "Cogent "); 2137 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2138 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2139 strcat(sc->tulip_boardid, "EM100TX "); 2140 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2141#if defined(TULIP_COGENT_EM110TX_ID) 2142 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2143 strcat(sc->tulip_boardid, "EM110TX "); 2144 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2145#endif 2146 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2147 strcat(sc->tulip_boardid, "EM100FX "); 2148 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2149 } 2150 /* 2151 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2152 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2153 */ 2154 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2155 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2156 /* 2157 * Cogent (Adaptec) is still mapping all INTs to INTA of 2158 * first 21140. Dumb! Dumb! 2159 */ 2160 strcat(sc->tulip_boardid, "EM440TX "); 2161 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2162 } 2163 } else if (sc->tulip_chipid == TULIP_21040) { 2164 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2165 } 2166} 2167 2168static void 2169tulip_identify_accton_nic( 2170 tulip_softc_t * const sc) 2171{ 2172 strcpy(sc->tulip_boardid, "ACCTON "); 2173 switch (sc->tulip_chipid) { 2174 case TULIP_21140A: 2175 strcat(sc->tulip_boardid, "EN1207 "); 2176 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2177 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2178 break; 2179 case TULIP_21140: 2180 strcat(sc->tulip_boardid, "EN1207TX "); 2181 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2182 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2183 break; 2184 case TULIP_21040: 2185 strcat(sc->tulip_boardid, "EN1203 "); 2186 sc->tulip_boardsw = &tulip_21040_boardsw; 2187 break; 2188 case TULIP_21041: 2189 strcat(sc->tulip_boardid, "EN1203 "); 2190 sc->tulip_boardsw = &tulip_21041_boardsw; 2191 break; 2192 default: 2193 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2194 break; 2195 } 2196} 2197 2198static void 2199tulip_identify_asante_nic( 2200 tulip_softc_t * const sc) 2201{ 2202 strcpy(sc->tulip_boardid, "Asante "); 2203 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2204 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2205 tulip_media_info_t *mi = sc->tulip_mediainfo; 2206 int idx; 2207 /* 2208 * The Asante Fast Ethernet doesn't always ship with a valid 2209 * new format SROM. So if isn't in the new format, we cheat 2210 * set it up as if we had. 2211 */ 2212 2213 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2214 sc->tulip_gpdata = 0; 2215 2216 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2217 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2218 DELAY(100); 2219 TULIP_CSR_WRITE(sc, csr_gp, 0); 2220 2221 mi->mi_type = TULIP_MEDIAINFO_MII; 2222 mi->mi_gpr_length = 0; 2223 mi->mi_gpr_offset = 0; 2224 mi->mi_reset_length = 0; 2225 mi->mi_reset_offset = 0;; 2226 2227 mi->mi_phyaddr = TULIP_MII_NOPHY; 2228 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2229 DELAY(10000); 2230 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2231 } 2232 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2233 if_printf(sc->tulip_ifp, "can't find phy 0\n"); 2234 return; 2235 } 2236 2237 sc->tulip_features |= TULIP_HAVE_MII; 2238 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2239 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2240 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2241 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2242 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2243 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2244 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2245 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2246 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2247 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2248 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2249 2250 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2251 } 2252} 2253 2254static void 2255tulip_identify_compex_nic( 2256 tulip_softc_t * const sc) 2257{ 2258 strcpy(sc->tulip_boardid, "COMPEX "); 2259 if (sc->tulip_chipid == TULIP_21140A) { 2260 int root_unit; 2261 tulip_softc_t *root_sc = NULL; 2262 2263 strcat(sc->tulip_boardid, "400TX/PCI "); 2264 /* 2265 * All 4 chips on these boards share an interrupt. This code 2266 * copied from tulip_read_macaddr. 2267 */ 2268 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2269 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2270 root_sc = tulips[root_unit]; 2271 if (root_sc == NULL 2272 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2273 break; 2274 root_sc = NULL; 2275 } 2276 if (root_sc != NULL 2277 && root_sc->tulip_chipid == sc->tulip_chipid 2278 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2279 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2280 sc->tulip_slaves = root_sc->tulip_slaves; 2281 root_sc->tulip_slaves = sc; 2282 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2283 printf("\nCannot find master device for %s interrupts", 2284 sc->tulip_ifp->if_xname); 2285 } 2286 } else { 2287 strcat(sc->tulip_boardid, "unknown "); 2288 } 2289 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2290 return; 2291} 2292 2293static int 2294tulip_srom_decode( 2295 tulip_softc_t * const sc) 2296{ 2297 unsigned idx1, idx2, idx3; 2298 2299 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2300 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2301 tulip_srom_media_t srom_media; 2302 tulip_media_info_t *mi = sc->tulip_mediainfo; 2303 const u_int8_t *dp; 2304 u_int32_t leaf_offset, blocks, data; 2305 2306 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2307 if (shp->sh_adapter_count == 1) 2308 break; 2309 if (saip->sai_device == sc->tulip_pci_devno) 2310 break; 2311 } 2312 /* 2313 * Didn't find the right media block for this card. 2314 */ 2315 if (idx1 == shp->sh_adapter_count) 2316 return 0; 2317 2318 /* 2319 * Save the hardware address. 2320 */ 2321 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2322 /* 2323 * If this is a multiple port card, add the adapter index to the last 2324 * byte of the hardware address. (if it isn't multiport, adding 0 2325 * won't hurt. 2326 */ 2327 sc->tulip_enaddr[5] += idx1; 2328 2329 leaf_offset = saip->sai_leaf_offset_lowbyte 2330 + saip->sai_leaf_offset_highbyte * 256; 2331 dp = sc->tulip_rombuf + leaf_offset; 2332 2333 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2334 2335 for (idx2 = 0;; idx2++) { 2336 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2337 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2338 break; 2339 } 2340 sc->tulip_connidx = idx2; 2341 2342 if (sc->tulip_chipid == TULIP_21041) { 2343 blocks = *dp++; 2344 for (idx2 = 0; idx2 < blocks; idx2++) { 2345 tulip_media_t media; 2346 data = *dp++; 2347 srom_media = (tulip_srom_media_t) (data & 0x3F); 2348 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2349 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2350 break; 2351 } 2352 media = tulip_srom_mediums[idx3].sm_type; 2353 if (media != TULIP_MEDIA_UNKNOWN) { 2354 if (data & TULIP_SROM_21041_EXTENDED) { 2355 mi->mi_type = TULIP_MEDIAINFO_SIA; 2356 sc->tulip_mediums[media] = mi; 2357 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2358 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2359 mi->mi_sia_general = dp[4] + dp[5] * 256; 2360 mi++; 2361 } else { 2362 switch (media) { 2363 case TULIP_MEDIA_BNC: { 2364 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2365 mi++; 2366 break; 2367 } 2368 case TULIP_MEDIA_AUI: { 2369 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2370 mi++; 2371 break; 2372 } 2373 case TULIP_MEDIA_10BASET: { 2374 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2375 mi++; 2376 break; 2377 } 2378 case TULIP_MEDIA_10BASET_FD: { 2379 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2380 mi++; 2381 break; 2382 } 2383 default: { 2384 break; 2385 } 2386 } 2387 } 2388 } 2389 if (data & TULIP_SROM_21041_EXTENDED) 2390 dp += 6; 2391 } 2392#ifdef notdef 2393 if (blocks == 0) { 2394 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2395 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2396 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2397 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2398 } 2399#endif 2400 } else { 2401 unsigned length, type; 2402 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2403 if (sc->tulip_features & TULIP_HAVE_GPR) 2404 sc->tulip_gpinit = *dp++; 2405 blocks = *dp++; 2406 for (idx2 = 0; idx2 < blocks; idx2++) { 2407 const u_int8_t *ep; 2408 if ((*dp & 0x80) == 0) { 2409 length = 4; 2410 type = 0; 2411 } else { 2412 length = (*dp++ & 0x7f) - 1; 2413 type = *dp++ & 0x3f; 2414 } 2415 ep = dp + length; 2416 switch (type & 0x3f) { 2417 case 0: { /* 21140[A] GPR block */ 2418 tulip_media_t media; 2419 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2420 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2421 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2422 break; 2423 } 2424 media = tulip_srom_mediums[idx3].sm_type; 2425 if (media == TULIP_MEDIA_UNKNOWN) 2426 break; 2427 mi->mi_type = TULIP_MEDIAINFO_GPR; 2428 sc->tulip_mediums[media] = mi; 2429 mi->mi_gpdata = dp[1]; 2430 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2431 sc->tulip_gpdata = mi->mi_gpdata; 2432 gp_media = media; 2433 } 2434 data = dp[2] + dp[3] * 256; 2435 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2436 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2437 mi->mi_actmask = 0; 2438 } else { 2439#if 0 2440 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2441#endif 2442 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2443 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2444 } 2445 mi++; 2446 break; 2447 } 2448 case 1: { /* 21140[A] MII block */ 2449 const unsigned phyno = *dp++; 2450 mi->mi_type = TULIP_MEDIAINFO_MII; 2451 mi->mi_gpr_length = *dp++; 2452 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2453 dp += mi->mi_gpr_length; 2454 mi->mi_reset_length = *dp++; 2455 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2456 dp += mi->mi_reset_length; 2457 2458 /* 2459 * Before we probe for a PHY, use the GPR information 2460 * to select it. If we don't, it may be inaccessible. 2461 */ 2462 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2463 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2464 DELAY(10); 2465 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2466 } 2467 sc->tulip_phyaddr = mi->mi_phyaddr; 2468 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2469 DELAY(10); 2470 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2471 } 2472 2473 /* 2474 * At least write something! 2475 */ 2476 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2477 TULIP_CSR_WRITE(sc, csr_gp, 0); 2478 2479 mi->mi_phyaddr = TULIP_MII_NOPHY; 2480 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2481 DELAY(10000); 2482 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2483 } 2484 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2485#if defined(TULIP_DEBUG) 2486 if_printf(sc->tulip_ifp, "can't find phy %d\n", 2487 phyno); 2488#endif 2489 break; 2490 } 2491 sc->tulip_features |= TULIP_HAVE_MII; 2492 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2493 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2494 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2495 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2496 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2497 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2498 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2499 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2500 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2501 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2502 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2503 mi++; 2504 break; 2505 } 2506 case 2: { /* 2114[23] SIA block */ 2507 tulip_media_t media; 2508 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2509 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2510 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2511 break; 2512 } 2513 media = tulip_srom_mediums[idx3].sm_type; 2514 if (media == TULIP_MEDIA_UNKNOWN) 2515 break; 2516 mi->mi_type = TULIP_MEDIAINFO_SIA; 2517 sc->tulip_mediums[media] = mi; 2518 if (dp[0] & 0x40) { 2519 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2520 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2521 mi->mi_sia_general = dp[5] + dp[6] * 256; 2522 dp += 6; 2523 } else { 2524 switch (media) { 2525 case TULIP_MEDIA_BNC: { 2526 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2527 break; 2528 } 2529 case TULIP_MEDIA_AUI: { 2530 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2531 break; 2532 } 2533 case TULIP_MEDIA_10BASET: { 2534 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2535 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2536 break; 2537 } 2538 case TULIP_MEDIA_10BASET_FD: { 2539 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2540 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2541 break; 2542 } 2543 default: { 2544 goto bad_media; 2545 } 2546 } 2547 } 2548 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2549 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2550 mi++; 2551 bad_media: 2552 break; 2553 } 2554 case 3: { /* 2114[23] MII PHY block */ 2555 const unsigned phyno = *dp++; 2556 const u_int8_t *dp0; 2557 mi->mi_type = TULIP_MEDIAINFO_MII; 2558 mi->mi_gpr_length = *dp++; 2559 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2560 dp += 2 * mi->mi_gpr_length; 2561 mi->mi_reset_length = *dp++; 2562 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2563 dp += 2 * mi->mi_reset_length; 2564 2565 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2566 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2567 DELAY(10); 2568 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2569 } 2570 sc->tulip_phyaddr = mi->mi_phyaddr; 2571 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2572 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2573 DELAY(10); 2574 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2575 } 2576 2577 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2578 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2579 2580 mi->mi_phyaddr = TULIP_MII_NOPHY; 2581 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2582 DELAY(10000); 2583 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2584 } 2585 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2586#if defined(TULIP_DEBUG) 2587 if_printf(sc->tulip_ifp, "can't find phy %d\n", 2588 phyno); 2589#endif 2590 break; 2591 } 2592 sc->tulip_features |= TULIP_HAVE_MII; 2593 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2594 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2595 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2596 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2597 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2598 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2599 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2600 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2601 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2602 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2603 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2604 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2605 mi++; 2606 break; 2607 } 2608 case 4: { /* 21143 SYM block */ 2609 tulip_media_t media; 2610 srom_media = (tulip_srom_media_t) dp[0]; 2611 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2612 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2613 break; 2614 } 2615 media = tulip_srom_mediums[idx3].sm_type; 2616 if (media == TULIP_MEDIA_UNKNOWN) 2617 break; 2618 mi->mi_type = TULIP_MEDIAINFO_SYM; 2619 sc->tulip_mediums[media] = mi; 2620 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2621 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2622 data = dp[5] + dp[6] * 256; 2623 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2624 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2625 mi->mi_actmask = 0; 2626 } else { 2627 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2628 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2629 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2630 } 2631 if (TULIP_IS_MEDIA_TP(media)) 2632 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2633 mi++; 2634 break; 2635 } 2636#if 0 2637 case 5: { /* 21143 Reset block */ 2638 mi->mi_type = TULIP_MEDIAINFO_RESET; 2639 mi->mi_reset_length = *dp++; 2640 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2641 dp += 2 * mi->mi_reset_length; 2642 mi++; 2643 break; 2644 } 2645#endif 2646 default: { 2647 } 2648 } 2649 dp = ep; 2650 } 2651 } 2652 return mi - sc->tulip_mediainfo; 2653} 2654 2655static const struct { 2656 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2657 unsigned char vendor_oui[3]; 2658} tulip_vendors[] = { 2659 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2660 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2661 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2662 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2663 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2664 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2665 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2666 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2667 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2668 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2669 { NULL } 2670}; 2671 2672/* 2673 * This deals with the vagaries of the address roms and the 2674 * brain-deadness that various vendors commit in using them. 2675 */ 2676static int 2677tulip_read_macaddr( 2678 tulip_softc_t * const sc) 2679{ 2680 unsigned cksum, rom_cksum, idx; 2681 u_int32_t csr; 2682 unsigned char tmpbuf[8]; 2683 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2684 2685 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2686 2687 if (sc->tulip_chipid == TULIP_21040) { 2688 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2689 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2690 int cnt = 0; 2691 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2692 cnt++; 2693 sc->tulip_rombuf[idx] = csr & 0xFF; 2694 } 2695 sc->tulip_boardsw = &tulip_21040_boardsw; 2696 } else { 2697 if (sc->tulip_chipid == TULIP_21041) { 2698 /* 2699 * Thankfully all 21041's act the same. 2700 */ 2701 sc->tulip_boardsw = &tulip_21041_boardsw; 2702 } else { 2703 /* 2704 * Assume all 21140 board are compatible with the 2705 * DEC 10/100 evaluation board. Not really valid but 2706 * it's the best we can do until every one switches to 2707 * the new SROM format. 2708 */ 2709 2710 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2711 } 2712 tulip_srom_read(sc); 2713 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2714 /* 2715 * SROM CRC is valid therefore it must be in the 2716 * new format. 2717 */ 2718 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2719 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2720 /* 2721 * No checksum is present. See if the SROM id checks out; 2722 * the first 18 bytes should be 0 followed by a 1 followed 2723 * by the number of adapters (which we don't deal with yet). 2724 */ 2725 for (idx = 0; idx < 18; idx++) { 2726 if (sc->tulip_rombuf[idx] != 0) 2727 break; 2728 } 2729 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2730 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2731 } else if (sc->tulip_chipid >= TULIP_21142) { 2732 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2733 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2734 } 2735 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2736 if (sc->tulip_chipid != TULIP_21041) 2737 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2738 2739 /* 2740 * If the SROM specifies more than one adapter, tag this as a 2741 * BASE rom. 2742 */ 2743 if (sc->tulip_rombuf[19] > 1) 2744 sc->tulip_features |= TULIP_HAVE_BASEROM; 2745 if (sc->tulip_boardsw == NULL) 2746 return -6; 2747 goto check_oui; 2748 } 2749 } 2750 2751 2752 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2753 /* 2754 * Some folks don't use the standard ethernet rom format 2755 * but instead just put the address in the first 6 bytes 2756 * of the rom and let the rest be all 0xffs. (Can we say 2757 * ZNYX?) (well sometimes they put in a checksum so we'll 2758 * start at 8). 2759 */ 2760 for (idx = 8; idx < 32; idx++) { 2761 if (sc->tulip_rombuf[idx] != 0xFF) 2762 return -4; 2763 } 2764 /* 2765 * Make sure the address is not multicast or locally assigned 2766 * that the OUI is not 00-00-00. 2767 */ 2768 if ((sc->tulip_rombuf[0] & 3) != 0) 2769 return -4; 2770 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2771 && sc->tulip_rombuf[2] == 0) 2772 return -4; 2773 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2774 sc->tulip_features |= TULIP_HAVE_OKROM; 2775 goto check_oui; 2776 } else { 2777 /* 2778 * A number of makers of multiport boards (ZNYX and Cogent) 2779 * only put on one address ROM on their 21040 boards. So 2780 * if the ROM is all zeros (or all 0xFFs), look at the 2781 * previous configured boards (as long as they are on the same 2782 * PCI bus and the bus number is non-zero) until we find the 2783 * master board with address ROM. We then use its address ROM 2784 * as the base for this board. (we add our relative board 2785 * to the last byte of its address). 2786 */ 2787 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2788 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2789 break; 2790 } 2791 if (idx == sizeof(sc->tulip_rombuf)) { 2792 int root_unit; 2793 tulip_softc_t *root_sc = NULL; 2794 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2795 root_sc = tulips[root_unit]; 2796 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2797 break; 2798 root_sc = NULL; 2799 } 2800 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2801 && root_sc->tulip_chipid == sc->tulip_chipid 2802 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2803 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2804 sc->tulip_boardsw = root_sc->tulip_boardsw; 2805 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2806 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2807 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2808 sizeof(sc->tulip_rombuf)); 2809 if (!tulip_srom_decode(sc)) 2810 return -5; 2811 } else { 2812 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2813 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2814 } 2815 /* 2816 * Now for a truly disgusting kludge: all 4 21040s on 2817 * the ZX314 share the same INTA line so the mapping 2818 * setup by the BIOS on the PCI bridge is worthless. 2819 * Rather than reprogramming the value in the config 2820 * register, we will handle this internally. 2821 */ 2822 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2823 sc->tulip_slaves = root_sc->tulip_slaves; 2824 root_sc->tulip_slaves = sc; 2825 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2826 } 2827 return 0; 2828 } 2829 } 2830 } 2831 2832 /* 2833 * This is the standard DEC address ROM test. 2834 */ 2835 2836 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2837 return -3; 2838 2839 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2840 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2841 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2842 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2843 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2844 return -2; 2845 2846 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2847 2848 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2849 cksum *= 2; 2850 if (cksum > 65535) cksum -= 65535; 2851 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2852 if (cksum > 65535) cksum -= 65535; 2853 cksum *= 2; 2854 if (cksum > 65535) cksum -= 65535; 2855 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2856 if (cksum >= 65535) cksum -= 65535; 2857 2858 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2859 2860 if (cksum != rom_cksum) 2861 return -1; 2862 2863 check_oui: 2864 /* 2865 * Check for various boards based on OUI. Did I say braindead? 2866 */ 2867 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2868 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2869 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2870 break; 2871 } 2872 } 2873 2874 sc->tulip_features |= TULIP_HAVE_OKROM; 2875 return 0; 2876} 2877 2878static void 2879tulip_ifmedia_add( 2880 tulip_softc_t * const sc) 2881{ 2882 tulip_media_t media; 2883 int medias = 0; 2884 2885 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2886 if (sc->tulip_mediums[media] != NULL) { 2887 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2888 0, 0); 2889 medias++; 2890 } 2891 } 2892 if (medias == 0) { 2893 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2894 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2895 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2896 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2897 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2898 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2899 } else { 2900 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2901 sc->tulip_flags |= TULIP_PRINTMEDIA; 2902 tulip_linkup(sc, sc->tulip_media); 2903 } 2904} 2905 2906static int 2907tulip_ifmedia_change( 2908 struct ifnet * const ifp) 2909{ 2910 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2911 2912 sc->tulip_flags |= TULIP_NEEDRESET; 2913 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2914 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2915 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2916 tulip_media_t media; 2917 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2918 if (sc->tulip_mediums[media] != NULL 2919 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2920 sc->tulip_flags |= TULIP_PRINTMEDIA; 2921 sc->tulip_flags &= ~TULIP_DIDNWAY; 2922 tulip_linkup(sc, media); 2923 return 0; 2924 } 2925 } 2926 } 2927 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2928 tulip_reset(sc); 2929 tulip_init(sc); 2930 return 0; 2931} 2932 2933/* 2934 * Media status callback 2935 */ 2936static void 2937tulip_ifmedia_status( 2938 struct ifnet * const ifp, 2939 struct ifmediareq *req) 2940{ 2941 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 2942 2943 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2944 return; 2945 2946 req->ifm_status = IFM_AVALID; 2947 if (sc->tulip_flags & TULIP_LINKUP) 2948 req->ifm_status |= IFM_ACTIVE; 2949 2950 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2951} 2952 2953static void 2954tulip_addr_filter( 2955 tulip_softc_t * const sc) 2956{ 2957 struct ifmultiaddr *ifma; 2958 u_char *addrp; 2959 int multicnt; 2960 2961 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2962 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2963 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2964 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2965#if defined(IFF_ALLMULTI) 2966 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI) 2967 sc->tulip_flags |= TULIP_ALLMULTI ; 2968#endif 2969 2970 multicnt = 0; 2971 TAILQ_FOREACH(ifma, &sc->tulip_ifp->if_multiaddrs, ifma_link) { 2972 2973 if (ifma->ifma_addr->sa_family == AF_LINK) 2974 multicnt++; 2975 } 2976 2977 sc->tulip_ifp->if_start = tulip_ifstart; /* so the setup packet gets queued */ 2978 if (multicnt > 14) { 2979 u_int32_t *sp = sc->tulip_setupdata; 2980 unsigned hash; 2981 /* 2982 * Some early passes of the 21140 have broken implementations of 2983 * hash-perfect mode. When we get too many multicasts for perfect 2984 * filtering with these chips, we need to switch into hash-only 2985 * mode (this is better than all-multicast on network with lots 2986 * of multicast traffic). 2987 */ 2988 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2989 sc->tulip_flags |= TULIP_WANTHASHONLY; 2990 else 2991 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2992 /* 2993 * If we have more than 14 multicasts, we have 2994 * go into hash perfect mode (512 bit multicast 2995 * hash and one perfect hardware). 2996 */ 2997 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2998 2999 TAILQ_FOREACH(ifma, &sc->tulip_ifp->if_multiaddrs, ifma_link) { 3000 3001 if (ifma->ifma_addr->sa_family != AF_LINK) 3002 continue; 3003 3004 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3005#if BYTE_ORDER == BIG_ENDIAN 3006 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3007#else 3008 sp[hash >> 4] |= 1 << (hash & 0xF); 3009#endif 3010 } 3011 /* 3012 * No reason to use a hash if we are going to be 3013 * receiving every multicast. 3014 */ 3015 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3016 hash = tulip_mchash(sc->tulip_ifp->if_broadcastaddr); 3017#if BYTE_ORDER == BIG_ENDIAN 3018 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3019#else 3020 sp[hash >> 4] |= 1 << (hash & 0xF); 3021#endif 3022 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3023 hash = tulip_mchash(IFP2ENADDR(sc->tulip_ifp)); 3024#if BYTE_ORDER == BIG_ENDIAN 3025 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3026#else 3027 sp[hash >> 4] |= 1 << (hash & 0xF); 3028#endif 3029 } else { 3030#if BYTE_ORDER == BIG_ENDIAN 3031 sp[39] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[0] << 16; 3032 sp[40] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[1] << 16; 3033 sp[41] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[2] << 16; 3034#else 3035 sp[39] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[0]; 3036 sp[40] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[1]; 3037 sp[41] = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[2]; 3038#endif 3039 } 3040 } 3041 } 3042 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3043 u_int32_t *sp = sc->tulip_setupdata; 3044 int idx = 0; 3045 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3046 /* 3047 * Else can get perfect filtering for 16 addresses. 3048 */ 3049 TAILQ_FOREACH(ifma, &sc->tulip_ifp->if_multiaddrs, ifma_link) { 3050 if (ifma->ifma_addr->sa_family != AF_LINK) 3051 continue; 3052 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3053#if BYTE_ORDER == BIG_ENDIAN 3054 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3055 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3056 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3057#else 3058 *sp++ = ((u_int16_t *) addrp)[0]; 3059 *sp++ = ((u_int16_t *) addrp)[1]; 3060 *sp++ = ((u_int16_t *) addrp)[2]; 3061#endif 3062 idx++; 3063 } 3064 /* 3065 * Add the broadcast address. 3066 */ 3067 idx++; 3068#if BYTE_ORDER == BIG_ENDIAN 3069 *sp++ = 0xFFFF << 16; 3070 *sp++ = 0xFFFF << 16; 3071 *sp++ = 0xFFFF << 16; 3072#else 3073 *sp++ = 0xFFFF; 3074 *sp++ = 0xFFFF; 3075 *sp++ = 0xFFFF; 3076#endif 3077 } 3078 /* 3079 * Pad the rest with our hardware address 3080 */ 3081 for (; idx < 16; idx++) { 3082#if BYTE_ORDER == BIG_ENDIAN 3083 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[0] << 16; 3084 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[1] << 16; 3085 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[2] << 16; 3086#else 3087 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[0]; 3088 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[1]; 3089 *sp++ = ((u_int16_t *) IFP2ENADDR(sc->tulip_ifp))[2]; 3090#endif 3091 } 3092 } 3093#if defined(IFF_ALLMULTI) 3094 if (sc->tulip_flags & TULIP_ALLMULTI) 3095 sc->tulip_ifp->if_flags |= IFF_ALLMULTI; 3096#endif 3097} 3098 3099static void 3100tulip_reset( 3101 tulip_softc_t * const sc) 3102{ 3103 tulip_ringinfo_t *ri; 3104 tulip_desc_t *di; 3105 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3106 3107 /* 3108 * Brilliant. Simply brilliant. When switching modes/speeds 3109 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3110 * bits in CSR6 and then do a software reset to get the 21140 3111 * to properly reset its internal pathways to the right places. 3112 * Grrrr. 3113 */ 3114 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3115 && sc->tulip_boardsw->bd_media_preset != NULL) 3116 (*sc->tulip_boardsw->bd_media_preset)(sc); 3117 3118 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3119 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3120 33MHz that comes to two microseconds but wait a 3121 bit longer anyways) */ 3122 3123 if (!inreset) { 3124 sc->tulip_flags |= TULIP_INRESET; 3125 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3126 sc->tulip_ifp->if_flags &= ~IFF_OACTIVE; 3127 sc->tulip_ifp->if_start = tulip_ifstart; 3128 } 3129 3130#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3131 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3132#else 3133 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3134#endif 3135#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3136 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3137#else 3138 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3139#endif 3140 TULIP_CSR_WRITE(sc, csr_busmode, 3141 (1 << (3 /*pci_max_burst_len*/ + 8)) 3142 |TULIP_BUSMODE_CACHE_ALIGN8 3143 |TULIP_BUSMODE_READMULTIPLE 3144 |(BYTE_ORDER != LITTLE_ENDIAN ? 3145 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3146 3147 sc->tulip_txtimer = 0; 3148 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3149 /* 3150 * Free all the mbufs that were on the transmit ring. 3151 */ 3152 for (;;) { 3153#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3154 bus_dmamap_t map; 3155#endif 3156 struct mbuf *m; 3157 _IF_DEQUEUE(&sc->tulip_txq, m); 3158 if (m == NULL) 3159 break; 3160#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3161 map = M_GETCTX(m, bus_dmamap_t); 3162 bus_dmamap_unload(sc->tulip_dmatag, map); 3163 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3164#endif 3165 m_freem(m); 3166 } 3167 3168 ri = &sc->tulip_txinfo; 3169 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3170 ri->ri_free = ri->ri_max; 3171 for (di = ri->ri_first; di < ri->ri_last; di++) 3172 di->d_status = 0; 3173#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3174 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3175 0, sc->tulip_txdescmap->dm_mapsize, 3176 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3177#endif 3178 3179 /* 3180 * We need to collect all the mbufs were on the 3181 * receive ring before we reinit it either to put 3182 * them back on or to know if we have to allocate 3183 * more. 3184 */ 3185 ri = &sc->tulip_rxinfo; 3186 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3187 ri->ri_free = ri->ri_max; 3188 for (di = ri->ri_first; di < ri->ri_last; di++) { 3189 di->d_status = 0; 3190 di->d_length1 = 0; di->d_addr1 = 0; 3191 di->d_length2 = 0; di->d_addr2 = 0; 3192 } 3193#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3194 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3195 0, sc->tulip_rxdescmap->dm_mapsize, 3196 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3197#endif 3198 for (;;) { 3199#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3200 bus_dmamap_t map; 3201#endif 3202 struct mbuf *m; 3203 _IF_DEQUEUE(&sc->tulip_rxq, m); 3204 if (m == NULL) 3205 break; 3206#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3207 map = M_GETCTX(m, bus_dmamap_t); 3208 bus_dmamap_unload(sc->tulip_dmatag, map); 3209 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3210#endif 3211 m_freem(m); 3212 } 3213 3214 /* 3215 * If tulip_reset is being called recurisvely, exit quickly knowing 3216 * that when the outer tulip_reset returns all the right stuff will 3217 * have happened. 3218 */ 3219 if (inreset) 3220 return; 3221 3222 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3223 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3224 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3225 |TULIP_STS_RXSTOPPED; 3226 3227 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3228 (*sc->tulip_boardsw->bd_media_select)(sc); 3229#if defined(TULIP_DEBUG) 3230 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3231 if_printf(sc->tulip_ifp, 3232 "tulip_reset: additional reset needed?!?\n"); 3233#endif 3234 if (bootverbose) 3235 tulip_media_print(sc); 3236 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3237 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3238 3239 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3240 |TULIP_RXACT); 3241 tulip_addr_filter(sc); 3242} 3243 3244 3245static void 3246tulip_ifinit( 3247 void * sc) 3248{ 3249 tulip_init((tulip_softc_t *)sc); 3250} 3251 3252static void 3253tulip_init( 3254 tulip_softc_t * const sc) 3255{ 3256 if (sc->tulip_ifp->if_flags & IFF_UP) { 3257 if ((sc->tulip_ifp->if_flags & IFF_RUNNING) == 0) { 3258 /* initialize the media */ 3259 tulip_reset(sc); 3260 } 3261 sc->tulip_ifp->if_flags |= IFF_RUNNING; 3262 if (sc->tulip_ifp->if_flags & IFF_PROMISC) { 3263 sc->tulip_flags |= TULIP_PROMISC; 3264 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3265 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3266 } else { 3267 sc->tulip_flags &= ~TULIP_PROMISC; 3268 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3269 if (sc->tulip_flags & TULIP_ALLMULTI) { 3270 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3271 } else { 3272 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3273 } 3274 } 3275 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3276 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3277 tulip_rx_intr(sc); 3278 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3279 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3280 } else { 3281 sc->tulip_ifp->if_flags |= IFF_OACTIVE; 3282 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3283 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3284 } 3285 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3286 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3287 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3288 tulip_txput_setup(sc); 3289 } else { 3290 sc->tulip_ifp->if_flags &= ~IFF_RUNNING; 3291 tulip_reset(sc); 3292 } 3293} 3294 3295static void 3296tulip_rx_intr( 3297 tulip_softc_t * const sc) 3298{ 3299 TULIP_PERFSTART(rxintr) 3300 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3301 struct ifnet * const ifp = sc->tulip_ifp; 3302 int fillok = 1; 3303#if defined(TULIP_DEBUG) 3304 int cnt = 0; 3305#endif 3306 3307 for (;;) { 3308 TULIP_PERFSTART(rxget) 3309 tulip_desc_t *eop = ri->ri_nextin; 3310 int total_len = 0, last_offset = 0; 3311 struct mbuf *ms = NULL, *me = NULL; 3312 int accept = 0; 3313#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3314 bus_dmamap_t map; 3315 int error; 3316#endif 3317 3318 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3319 goto queue_mbuf; 3320 3321#if defined(TULIP_DEBUG) 3322 if (cnt == ri->ri_max) 3323 break; 3324#endif 3325 /* 3326 * If the TULIP has no descriptors, there can't be any receive 3327 * descriptors to process. 3328 */ 3329 if (eop == ri->ri_nextout) 3330 break; 3331 3332 /* 3333 * 90% of the packets will fit in one descriptor. So we optimize 3334 * for that case. 3335 */ 3336 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3337 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3338 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3339 me = ms; 3340 } else { 3341 /* 3342 * If still owned by the TULIP, don't touch it. 3343 */ 3344 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3345 break; 3346 3347 /* 3348 * It is possible (though improbable unless MCLBYTES < 1518) for 3349 * a received packet to cross more than one receive descriptor. 3350 */ 3351 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3352 if (++eop == ri->ri_last) 3353 eop = ri->ri_first; 3354 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3355 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3356#if defined(TULIP_DEBUG) 3357 sc->tulip_dbg.dbg_rxintrs++; 3358 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3359#endif 3360 TULIP_PERFEND(rxget); 3361 TULIP_PERFEND(rxintr); 3362 return; 3363 } 3364 total_len++; 3365 } 3366 3367 /* 3368 * Dequeue the first buffer for the start of the packet. Hopefully 3369 * this will be the only one we need to dequeue. However, if the 3370 * packet consumed multiple descriptors, then we need to dequeue 3371 * those buffers and chain to the starting mbuf. All buffers but 3372 * the last buffer have the same length so we can set that now. 3373 * (we add to last_offset instead of multiplying since we normally 3374 * won't go into the loop and thereby saving ourselves from 3375 * doing a multiplication by 0 in the normal case). 3376 */ 3377 _IF_DEQUEUE(&sc->tulip_rxq, ms); 3378 for (me = ms; total_len > 0; total_len--) { 3379#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3380 map = M_GETCTX(me, bus_dmamap_t); 3381 TULIP_RXMAP_POSTSYNC(sc, map); 3382 bus_dmamap_unload(sc->tulip_dmatag, map); 3383 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3384#if defined(DIAGNOSTIC) 3385 M_SETCTX(me, NULL); 3386#endif 3387#endif /* TULIP_BUS_DMA */ 3388 me->m_len = TULIP_RX_BUFLEN; 3389 last_offset += TULIP_RX_BUFLEN; 3390 _IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3391 me = me->m_next; 3392 } 3393 } 3394 3395 /* 3396 * Now get the size of received packet (minus the CRC). 3397 */ 3398 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3399 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3400 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3401 me->m_len = total_len - last_offset; 3402 3403#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3404 map = M_GETCTX(me, bus_dmamap_t); 3405 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3406 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3407 bus_dmamap_unload(sc->tulip_dmatag, map); 3408 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3409#if defined(DIAGNOSTIC) 3410 M_SETCTX(me, NULL); 3411#endif 3412#endif /* TULIP_BUS_DMA */ 3413 3414 sc->tulip_flags |= TULIP_RXACT; 3415 accept = 1; 3416 } else { 3417 ifp->if_ierrors++; 3418 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3419 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3420 } else { 3421#if defined(TULIP_VERBOSE) 3422 const char *error = NULL; 3423#endif 3424 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3425 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3426#if defined(TULIP_VERBOSE) 3427 error = "frame too long"; 3428#endif 3429 } 3430 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3431 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3432 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3433#if defined(TULIP_VERBOSE) 3434 error = "alignment error"; 3435#endif 3436 } else { 3437 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3438#if defined(TULIP_VERBOSE) 3439 error = "bad crc"; 3440#endif 3441 } 3442 } 3443#if defined(TULIP_VERBOSE) 3444 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3445 if_printf(sc->tulip_ifp, "receive: %6D: %s\n", 3446 mtod(ms, u_char *) + 6, ":", 3447 error); 3448 sc->tulip_flags |= TULIP_NOMESSAGES; 3449 } 3450#endif 3451 } 3452 3453#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3454 map = M_GETCTX(me, bus_dmamap_t); 3455 bus_dmamap_unload(sc->tulip_dmatag, map); 3456 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3457#if defined(DIAGNOSTIC) 3458 M_SETCTX(me, NULL); 3459#endif 3460#endif /* TULIP_BUS_DMA */ 3461 } 3462#if defined(TULIP_DEBUG) 3463 cnt++; 3464#endif 3465 ifp->if_ipackets++; 3466 if (++eop == ri->ri_last) 3467 eop = ri->ri_first; 3468 ri->ri_nextin = eop; 3469 queue_mbuf: 3470 /* 3471 * Either we are priming the TULIP with mbufs (m == NULL) 3472 * or we are about to accept an mbuf for the upper layers 3473 * so we need to allocate an mbuf to replace it. If we 3474 * can't replace it, send up it anyways. This may cause 3475 * us to drop packets in the future but that's better than 3476 * being caught in livelock. 3477 * 3478 * Note that if this packet crossed multiple descriptors 3479 * we don't even try to reallocate all the mbufs here. 3480 * Instead we rely on the test of the beginning of 3481 * the loop to refill for the extra consumed mbufs. 3482 */ 3483 if (accept || ms == NULL) { 3484 struct mbuf *m0; 3485 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3486 if (m0 != NULL) { 3487#if defined(TULIP_COPY_RXDATA) 3488 if (!accept || total_len >= (MHLEN - 2)) { 3489#endif 3490 MCLGET(m0, M_DONTWAIT); 3491 if ((m0->m_flags & M_EXT) == 0) { 3492 m_freem(m0); 3493 m0 = NULL; 3494 } 3495#if defined(TULIP_COPY_RXDATA) 3496 } 3497#endif 3498 } 3499 if (accept 3500#if defined(TULIP_COPY_RXDATA) 3501 && m0 != NULL 3502#endif 3503 ) { 3504#if !defined(TULIP_COPY_RXDATA) 3505 ms->m_pkthdr.len = total_len; 3506 ms->m_pkthdr.rcvif = ifp; 3507 (*ifp->if_input)(ifp, ms); 3508#else 3509 m0->m_data += 2; /* align data after header */ 3510 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3511 m0->m_len = m0->m_pkthdr.len = total_len; 3512 m0->m_pkthdr.rcvif = ifp; 3513 (*ifp->if_input)(ifp, m0); 3514 m0 = ms; 3515#endif /* ! TULIP_COPY_RXDATA */ 3516 } 3517 ms = m0; 3518 } 3519 if (ms == NULL) { 3520 /* 3521 * Couldn't allocate a new buffer. Don't bother 3522 * trying to replenish the receive queue. 3523 */ 3524 fillok = 0; 3525 sc->tulip_flags |= TULIP_RXBUFSLOW; 3526#if defined(TULIP_DEBUG) 3527 sc->tulip_dbg.dbg_rxlowbufs++; 3528#endif 3529 TULIP_PERFEND(rxget); 3530 continue; 3531 } 3532 /* 3533 * Now give the buffer(s) to the TULIP and save in our 3534 * receive queue. 3535 */ 3536 do { 3537 tulip_desc_t * const nextout = ri->ri_nextout; 3538#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3539 if (sc->tulip_rxmaps_free > 0) { 3540 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3541 } else { 3542 m_freem(ms); 3543 sc->tulip_flags |= TULIP_RXBUFSLOW; 3544#if defined(TULIP_DEBUG) 3545 sc->tulip_dbg.dbg_rxlowbufs++; 3546#endif 3547 break; 3548 } 3549 M_SETCTX(ms, map); 3550 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3551 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3552 if (error) { 3553 if_printf(sc->tulip_ifp, 3554 "unable to load rx map, error = %d\n", error); 3555 panic("tulip_rx_intr"); /* XXX */ 3556 } 3557 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3558 nextout->d_length1 = map->dm_segs[0].ds_len; 3559 if (map->dm_nsegs == 2) { 3560 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3561 nextout->d_length2 = map->dm_segs[1].ds_len; 3562 } else { 3563 nextout->d_addr2 = 0; 3564 nextout->d_length2 = 0; 3565 } 3566 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3567#else /* TULIP_BUS_DMA */ 3568 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3569 nextout->d_length1 = TULIP_RX_BUFLEN; 3570#endif /* TULIP_BUS_DMA */ 3571 nextout->d_status = TULIP_DSTS_OWNER; 3572 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3573 if (++ri->ri_nextout == ri->ri_last) 3574 ri->ri_nextout = ri->ri_first; 3575 me = ms->m_next; 3576 ms->m_next = NULL; 3577 _IF_ENQUEUE(&sc->tulip_rxq, ms); 3578 } while ((ms = me) != NULL); 3579 3580 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3581 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3582 TULIP_PERFEND(rxget); 3583 } 3584 3585#if defined(TULIP_DEBUG) 3586 sc->tulip_dbg.dbg_rxintrs++; 3587 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3588#endif 3589 TULIP_PERFEND(rxintr); 3590} 3591 3592static int 3593tulip_tx_intr( 3594 tulip_softc_t * const sc) 3595{ 3596 TULIP_PERFSTART(txintr) 3597 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3598 struct mbuf *m; 3599 int xmits = 0; 3600 int descs = 0; 3601 3602 while (ri->ri_free < ri->ri_max) { 3603 u_int32_t d_flag; 3604 3605 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3606 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3607 break; 3608 3609 ri->ri_free++; 3610 descs++; 3611 d_flag = ri->ri_nextin->d_flag; 3612 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3613 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3614 /* 3615 * We've just finished processing a setup packet. 3616 * Mark that we finished it. If there's not 3617 * another pending, startup the TULIP receiver. 3618 * Make sure we ack the RXSTOPPED so we won't get 3619 * an abormal interrupt indication. 3620 */ 3621 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3622 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3623 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3624 sc->tulip_flags |= TULIP_HASHONLY; 3625 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3626 tulip_rx_intr(sc); 3627 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3628 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3629 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3630 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3631 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3632 } 3633 } else { 3634 const u_int32_t d_status = ri->ri_nextin->d_status; 3635 _IF_DEQUEUE(&sc->tulip_txq, m); 3636 if (m != NULL) { 3637#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3638 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3639 TULIP_TXMAP_POSTSYNC(sc, map); 3640 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3641#endif /* TULIP_BUS_DMA */ 3642 m_freem(m); 3643#if defined(TULIP_DEBUG) 3644 } else { 3645 if_printf(sc->tulip_ifp, 3646 "tx_intr: failed to dequeue mbuf?!?\n"); 3647#endif 3648 } 3649 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3650 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3651 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3652#if defined(TULIP_DEBUG) 3653 if (d_status & TULIP_DSTS_TxNOCARR) 3654 sc->tulip_dbg.dbg_txprobe_nocarr++; 3655 if (d_status & TULIP_DSTS_TxEXCCOLL) 3656 sc->tulip_dbg.dbg_txprobe_exccoll++; 3657#endif 3658 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3659 } 3660 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3661 /* 3662 * Escape from the loop before media poll has reset the TULIP! 3663 */ 3664 break; 3665 } else { 3666 xmits++; 3667 if (d_status & TULIP_DSTS_ERRSUM) { 3668 sc->tulip_ifp->if_oerrors++; 3669 if (d_status & TULIP_DSTS_TxEXCCOLL) 3670 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3671 if (d_status & TULIP_DSTS_TxLATECOLL) 3672 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3673 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3674 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3675 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3676 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3677 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3678 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3679 if (d_status & TULIP_DSTS_TxBABBLE) 3680 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3681 } else { 3682 u_int32_t collisions = 3683 (d_status & TULIP_DSTS_TxCOLLMASK) 3684 >> TULIP_DSTS_V_TxCOLLCNT; 3685 sc->tulip_ifp->if_collisions += collisions; 3686 if (collisions == 1) 3687 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3688 else if (collisions > 1) 3689 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3690 else if (d_status & TULIP_DSTS_TxDEFERRED) 3691 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3692 /* 3693 * SQE is only valid for 10baseT/BNC/AUI when not 3694 * running in full-duplex. In order to speed up the 3695 * test, the corresponding bit in tulip_flags needs to 3696 * set as well to get us to count SQE Test Errors. 3697 */ 3698 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3699 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3700 } 3701 } 3702 } 3703 } 3704 3705 if (++ri->ri_nextin == ri->ri_last) 3706 ri->ri_nextin = ri->ri_first; 3707 3708 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3709 sc->tulip_ifp->if_flags &= ~IFF_OACTIVE; 3710 } 3711 /* 3712 * If nothing left to transmit, disable the timer. 3713 * Else if progress, reset the timer back to 2 ticks. 3714 */ 3715 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3716 sc->tulip_txtimer = 0; 3717 else if (xmits > 0) 3718 sc->tulip_txtimer = TULIP_TXTIMER; 3719 sc->tulip_ifp->if_opackets += xmits; 3720 TULIP_PERFEND(txintr); 3721 return descs; 3722} 3723 3724static void 3725tulip_print_abnormal_interrupt( 3726 tulip_softc_t * const sc, 3727 u_int32_t csr) 3728{ 3729 const char * const *msgp = tulip_status_bits; 3730 const char *sep; 3731 u_int32_t mask; 3732 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3733 3734 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3735 if_printf(sc->tulip_ifp, "abnormal interrupt:"); 3736 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3737 if ((csr & mask) && *msgp != NULL) { 3738 printf("%s%s", sep, *msgp); 3739 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3740 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3741 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3742 printf(" (switching to store-and-forward mode)"); 3743 } else { 3744 printf(" (raising TX threshold to %s)", 3745 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3746 } 3747 } 3748 sep = ", "; 3749 } 3750 } 3751 printf("\n"); 3752} 3753 3754static void 3755tulip_intr_handler( 3756 tulip_softc_t * const sc) 3757{ 3758 TULIP_PERFSTART(intr) 3759 u_int32_t csr; 3760 3761 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3762 TULIP_CSR_WRITE(sc, csr_status, csr); 3763 3764 if (csr & TULIP_STS_SYSERROR) { 3765 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3766 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3767 sc->tulip_flags |= TULIP_SYSTEMERROR; 3768 } else { 3769 if_printf(sc->tulip_ifp, "system error: %s\n", 3770 tulip_system_errors[sc->tulip_last_system_error]); 3771 } 3772 sc->tulip_flags |= TULIP_NEEDRESET; 3773 sc->tulip_system_errors++; 3774 break; 3775 } 3776 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3777#if defined(TULIP_DEBUG) 3778 sc->tulip_dbg.dbg_link_intrs++; 3779#endif 3780 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3781 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3782 ? TULIP_MEDIAPOLL_LINKFAIL 3783 : TULIP_MEDIAPOLL_LINKPASS); 3784 csr &= ~TULIP_STS_ABNRMLINTR; 3785 } 3786 tulip_media_print(sc); 3787 } 3788 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3789 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3790 if (csr & TULIP_STS_RXNOBUF) 3791 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3792 /* 3793 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3794 * on receive overflows. 3795 */ 3796 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3797 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3798 /* 3799 * Stop the receiver process and spin until it's stopped. 3800 * Tell rx_intr to drop the packets it dequeues. 3801 */ 3802 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3803 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3804 ; 3805 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3806 sc->tulip_flags |= TULIP_RXIGNORE; 3807 } 3808 tulip_rx_intr(sc); 3809 if (sc->tulip_flags & TULIP_RXIGNORE) { 3810 /* 3811 * Restart the receiver. 3812 */ 3813 sc->tulip_flags &= ~TULIP_RXIGNORE; 3814 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3815 } 3816 } 3817 if (csr & TULIP_STS_ABNRMLINTR) { 3818 u_int32_t tmp = csr & sc->tulip_intrmask 3819 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3820 if (csr & TULIP_STS_TXUNDERFLOW) { 3821 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3822 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3823 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3824 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3825 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3826 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3827 } 3828 } 3829 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3830 sc->tulip_statusbits |= tmp; 3831 } else { 3832 tulip_print_abnormal_interrupt(sc, tmp); 3833 sc->tulip_flags |= TULIP_NOMESSAGES; 3834 } 3835 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3836 } 3837 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3838 tulip_tx_intr(sc); 3839 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3840 tulip_ifstart(sc->tulip_ifp); 3841 } 3842 } 3843 if (sc->tulip_flags & TULIP_NEEDRESET) { 3844 tulip_reset(sc); 3845 tulip_init(sc); 3846 } 3847 TULIP_PERFEND(intr); 3848} 3849 3850static void 3851tulip_intr_shared( 3852 void *arg) 3853{ 3854 tulip_softc_t * sc = arg; 3855 3856 for (; sc != NULL; sc = sc->tulip_slaves) { 3857#if defined(TULIP_DEBUG) 3858 sc->tulip_dbg.dbg_intrs++; 3859#endif 3860 tulip_intr_handler(sc); 3861 } 3862} 3863 3864static void 3865tulip_intr_normal( 3866 void *arg) 3867{ 3868 tulip_softc_t * sc = (tulip_softc_t *) arg; 3869 3870#if defined(TULIP_DEBUG) 3871 sc->tulip_dbg.dbg_intrs++; 3872#endif 3873 tulip_intr_handler(sc); 3874} 3875 3876static struct mbuf * 3877tulip_mbuf_compress( 3878 struct mbuf *m) 3879{ 3880 struct mbuf *m0; 3881 3882#if MCLBYTES >= ETHERMTU + 18 3883 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3884 if (m0 != NULL) { 3885 if (m->m_pkthdr.len > MHLEN) { 3886 MCLGET(m0, M_DONTWAIT); 3887 if ((m0->m_flags & M_EXT) == 0) { 3888 m_freem(m); 3889 m_freem(m0); 3890 return NULL; 3891 } 3892 } 3893 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3894 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3895 } 3896#else 3897 int mlen = MHLEN; 3898 int len = m->m_pkthdr.len; 3899 struct mbuf **mp = &m0; 3900 3901 while (len > 0) { 3902 if (mlen == MHLEN) { 3903 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 3904 } else { 3905 MGET(*mp, M_DONTWAIT, MT_DATA); 3906 } 3907 if (*mp == NULL) { 3908 m_freem(m0); 3909 m0 = NULL; 3910 break; 3911 } 3912 if (len > MLEN) { 3913 MCLGET(*mp, M_DONTWAIT); 3914 if (((*mp)->m_flags & M_EXT) == 0) { 3915 m_freem(m0); 3916 m0 = NULL; 3917 break; 3918 } 3919 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3920 } else { 3921 (*mp)->m_len = len <= mlen ? len : mlen; 3922 } 3923 m_copydata(m, m->m_pkthdr.len - len, 3924 (*mp)->m_len, mtod((*mp), caddr_t)); 3925 len -= (*mp)->m_len; 3926 mp = &(*mp)->m_next; 3927 mlen = MLEN; 3928 } 3929#endif 3930 m_freem(m); 3931 return m0; 3932} 3933 3934static struct mbuf * 3935tulip_txput( 3936 tulip_softc_t * const sc, 3937 struct mbuf *m) 3938{ 3939 TULIP_PERFSTART(txput) 3940 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3941 tulip_desc_t *eop, *nextout; 3942 int segcnt, free; 3943 u_int32_t d_status; 3944#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3945 bus_dmamap_t map; 3946 int error; 3947#else 3948 struct mbuf *m0; 3949#endif 3950 3951#if defined(TULIP_DEBUG) 3952 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3953 if_printf(sc->tulip_ifp, "txput%s: tx not running\n", 3954 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3955 sc->tulip_flags |= TULIP_WANTTXSTART; 3956 sc->tulip_dbg.dbg_txput_finishes[0]++; 3957 goto finish; 3958 } 3959#endif 3960 3961 /* 3962 * Now we try to fill in our transmit descriptors. This is 3963 * a bit reminiscent of going on the Ark two by two 3964 * since each descriptor for the TULIP can describe 3965 * two buffers. So we advance through packet filling 3966 * each of the two entries at a time to to fill each 3967 * descriptor. Clear the first and last segment bits 3968 * in each descriptor (actually just clear everything 3969 * but the end-of-ring or chain bits) to make sure 3970 * we don't get messed up by previously sent packets. 3971 * 3972 * We may fail to put the entire packet on the ring if 3973 * there is either not enough ring entries free or if the 3974 * packet has more than MAX_TXSEG segments. In the former 3975 * case we will just wait for the ring to empty. In the 3976 * latter case we have to recopy. 3977 */ 3978#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 3979 again: 3980 m0 = m; 3981#endif 3982 d_status = 0; 3983 eop = nextout = ri->ri_nextout; 3984 segcnt = 0; 3985 free = ri->ri_free; 3986 3987#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3988 /* 3989 * Reclaim some dma maps from if we are out. 3990 */ 3991 if (sc->tulip_txmaps_free == 0) { 3992#if defined(TULIP_DEBUG) 3993 sc->tulip_dbg.dbg_no_txmaps++; 3994#endif 3995 free += tulip_tx_intr(sc); 3996 } 3997 if (sc->tulip_txmaps_free > 0) { 3998 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 3999 } else { 4000 sc->tulip_flags |= TULIP_WANTTXSTART; 4001#if defined(TULIP_DEBUG) 4002 sc->tulip_dbg.dbg_txput_finishes[1]++; 4003#endif 4004 goto finish; 4005 } 4006 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4007 if (error != 0) { 4008 if (error == EFBIG) { 4009 /* 4010 * The packet exceeds the number of transmit buffer 4011 * entries that we can use for one packet, so we have 4012 * to recopy it into one mbuf and then try again. 4013 */ 4014 m = tulip_mbuf_compress(m); 4015 if (m == NULL) { 4016#if defined(TULIP_DEBUG) 4017 sc->tulip_dbg.dbg_txput_finishes[2]++; 4018#endif 4019 goto finish; 4020 } 4021 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4022 } 4023 if (error != 0) { 4024 if_printf(sc->tulip_ifp, 4025 "unable to load tx map, error = %d\n", error); 4026#if defined(TULIP_DEBUG) 4027 sc->tulip_dbg.dbg_txput_finishes[3]++; 4028#endif 4029 goto finish; 4030 } 4031 } 4032 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4033 /* 4034 * See if there's any unclaimed space in the transmit ring. 4035 */ 4036 && (free += tulip_tx_intr(sc)) <= 0) { 4037 /* 4038 * There's no more room but since nothing 4039 * has been committed at this point, just 4040 * show output is active, put back the 4041 * mbuf and return. 4042 */ 4043 sc->tulip_flags |= TULIP_WANTTXSTART; 4044#if defined(TULIP_DEBUG) 4045 sc->tulip_dbg.dbg_txput_finishes[4]++; 4046#endif 4047 bus_dmamap_unload(sc->tulip_dmatag, map); 4048 goto finish; 4049 } 4050 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4051 eop = nextout; 4052 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4053 eop->d_status = d_status; 4054 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4055 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4056 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4057 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4058 d_status = TULIP_DSTS_OWNER; 4059 if (++nextout == ri->ri_last) 4060 nextout = ri->ri_first; 4061 } 4062 if (segcnt < map->dm_nsegs) { 4063 eop = nextout; 4064 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4065 eop->d_status = d_status; 4066 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4067 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4068 eop->d_addr2 = 0; 4069 eop->d_length2 = 0; 4070 if (++nextout == ri->ri_last) 4071 nextout = ri->ri_first; 4072 } 4073 TULIP_TXMAP_PRESYNC(sc, map); 4074 M_SETCTX(m, map); 4075 map = NULL; 4076 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4077 4078#else /* !TULIP_BUS_DMA */ 4079 4080 do { 4081 int len = m0->m_len; 4082 caddr_t addr = mtod(m0, caddr_t); 4083 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4084 4085 while (len > 0) { 4086 unsigned slen = min(len, clsize); 4087 segcnt++; 4088 if (segcnt > TULIP_MAX_TXSEG) { 4089 /* 4090 * The packet exceeds the number of transmit buffer 4091 * entries that we can use for one packet, so we have 4092 * recopy it into one mbuf and then try again. 4093 */ 4094 m = tulip_mbuf_compress(m); 4095 if (m == NULL) 4096 goto finish; 4097 goto again; 4098 } 4099 if (segcnt & 1) { 4100 if (--free == 0) { 4101 /* 4102 * See if there's any unclaimed space in the 4103 * transmit ring. 4104 */ 4105 if ((free += tulip_tx_intr(sc)) == 0) { 4106 /* 4107 * There's no more room but since nothing 4108 * has been committed at this point, just 4109 * show output is active, put back the 4110 * mbuf and return. 4111 */ 4112 sc->tulip_flags |= TULIP_WANTTXSTART; 4113#if defined(TULIP_DEBUG) 4114 sc->tulip_dbg.dbg_txput_finishes[1]++; 4115#endif 4116 goto finish; 4117 } 4118 } 4119 eop = nextout; 4120 if (++nextout == ri->ri_last) 4121 nextout = ri->ri_first; 4122 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4123 eop->d_status = d_status; 4124 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4125 eop->d_length1 = slen; 4126 } else { 4127 /* 4128 * Fill in second half of descriptor 4129 */ 4130 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4131 eop->d_length2 = slen; 4132 } 4133 d_status = TULIP_DSTS_OWNER; 4134 len -= slen; 4135 addr += slen; 4136 clsize = PAGE_SIZE; 4137 } 4138 } while ((m0 = m0->m_next) != NULL); 4139#endif /* TULIP_BUS_DMA */ 4140 4141 /* 4142 * bounce a copy to the bpf listener, if any. 4143 */ 4144 BPF_MTAP(sc->tulip_ifp, m); 4145 4146 /* 4147 * The descriptors have been filled in. Now get ready 4148 * to transmit. 4149 */ 4150 _IF_ENQUEUE(&sc->tulip_txq, m); 4151 m = NULL; 4152 4153 /* 4154 * Make sure the next descriptor after this packet is owned 4155 * by us since it may have been set up above if we ran out 4156 * of room in the ring. 4157 */ 4158 nextout->d_status = 0; 4159 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4160 4161#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4162 /* 4163 * If we only used the first segment of the last descriptor, 4164 * make sure the second segment will not be used. 4165 */ 4166 if (segcnt & 1) { 4167 eop->d_addr2 = 0; 4168 eop->d_length2 = 0; 4169 } 4170#endif /* TULIP_BUS_DMA */ 4171 4172 /* 4173 * Mark the last and first segments, indicate we want a transmit 4174 * complete interrupt, and tell it to transmit! 4175 */ 4176 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4177 4178 /* 4179 * Note that ri->ri_nextout is still the start of the packet 4180 * and until we set the OWNER bit, we can still back out of 4181 * everything we have done. 4182 */ 4183 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4184#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4185 if (eop < ri->ri_nextout) { 4186 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4187 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4188 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4189 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4190 } else { 4191 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4192 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4193 } 4194#endif 4195 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4196 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4197 4198 /* 4199 * This advances the ring for us. 4200 */ 4201 ri->ri_nextout = nextout; 4202 ri->ri_free = free; 4203 4204 TULIP_PERFEND(txput); 4205 4206 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4207 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4208 sc->tulip_ifp->if_flags |= IFF_OACTIVE; 4209 sc->tulip_ifp->if_start = tulip_ifstart; 4210 TULIP_PERFEND(txput); 4211 return NULL; 4212 } 4213 4214 /* 4215 * switch back to the single queueing ifstart. 4216 */ 4217 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4218 if (sc->tulip_txtimer == 0) 4219 sc->tulip_txtimer = TULIP_TXTIMER; 4220#if defined(TULIP_DEBUG) 4221 sc->tulip_dbg.dbg_txput_finishes[5]++; 4222#endif 4223 4224 /* 4225 * If we want a txstart, there must be not enough space in the 4226 * transmit ring. So we want to enable transmit done interrupts 4227 * so we can immediately reclaim some space. When the transmit 4228 * interrupt is posted, the interrupt handler will call tx_intr 4229 * to reclaim space and then txstart (since WANTTXSTART is set). 4230 * txstart will move the packet into the transmit ring and clear 4231 * WANTTXSTART thereby causing TXINTR to be cleared. 4232 */ 4233 finish: 4234#if defined(TULIP_DEBUG) 4235 sc->tulip_dbg.dbg_txput_finishes[6]++; 4236#endif 4237 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4238 sc->tulip_ifp->if_flags |= IFF_OACTIVE; 4239 sc->tulip_ifp->if_start = tulip_ifstart; 4240 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4241 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4242 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4243 } 4244 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4245 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4246 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4247 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4248 } 4249 } 4250 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4251 TULIP_PERFEND(txput); 4252 return m; 4253} 4254 4255static void 4256tulip_txput_setup( 4257 tulip_softc_t * const sc) 4258{ 4259 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4260 tulip_desc_t *nextout; 4261 4262 /* 4263 * We will transmit, at most, one setup packet per call to ifstart. 4264 */ 4265 4266#if defined(TULIP_DEBUG) 4267 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4268 if_printf(sc->tulip_ifp, "txput_setup: tx not running\n"); 4269 sc->tulip_flags |= TULIP_WANTTXSTART; 4270 sc->tulip_ifp->if_start = tulip_ifstart; 4271 return; 4272 } 4273#endif 4274 /* 4275 * Try to reclaim some free descriptors.. 4276 */ 4277 if (ri->ri_free < 2) 4278 tulip_tx_intr(sc); 4279 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4280 sc->tulip_flags |= TULIP_WANTTXSTART; 4281 sc->tulip_ifp->if_start = tulip_ifstart; 4282 return; 4283 } 4284 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4285 sizeof(sc->tulip_setupbuf)); 4286 /* 4287 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4288 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4289 */ 4290 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4291 ri->ri_free--; 4292 nextout = ri->ri_nextout; 4293 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4294 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4295 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4296 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4297 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4298 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4299 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4300 4301 nextout->d_length2 = 0; 4302 nextout->d_addr2 = 0; 4303#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4304 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4305 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4306 if (sc->tulip_setupmap->dm_nsegs == 2) { 4307 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4308 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4309 } 4310 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4311 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4312#else 4313 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4314 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4315#endif 4316 4317 /* 4318 * Advance the ring for the next transmit packet. 4319 */ 4320 if (++ri->ri_nextout == ri->ri_last) 4321 ri->ri_nextout = ri->ri_first; 4322 4323 /* 4324 * Make sure the next descriptor is owned by us since it 4325 * may have been set up above if we ran out of room in the 4326 * ring. 4327 */ 4328 ri->ri_nextout->d_status = 0; 4329 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4330 nextout->d_status = TULIP_DSTS_OWNER; 4331 /* 4332 * Flush the ownwership of the current descriptor 4333 */ 4334 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4335 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4336 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4337 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4338 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4339 } 4340} 4341 4342 4343static int 4344tulip_ifioctl( 4345 struct ifnet * ifp, 4346 u_long cmd, 4347 caddr_t data) 4348{ 4349 TULIP_PERFSTART(ifioctl) 4350 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4351 struct ifreq *ifr = (struct ifreq *) data; 4352 int s; 4353 int error = 0; 4354 4355 s = splimp(); 4356 switch (cmd) { 4357 case SIOCSIFFLAGS: { 4358 tulip_addr_filter(sc); /* reinit multicast filter */ 4359 tulip_init(sc); 4360 break; 4361 } 4362 4363 case SIOCSIFMEDIA: 4364 case SIOCGIFMEDIA: { 4365 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4366 break; 4367 } 4368 4369 case SIOCADDMULTI: 4370 case SIOCDELMULTI: { 4371 /* 4372 * Update multicast listeners 4373 */ 4374 tulip_addr_filter(sc); /* reset multicast filtering */ 4375 tulip_init(sc); 4376 error = 0; 4377 break; 4378 } 4379 4380 case SIOCSIFMTU: 4381 /* 4382 * Set the interface MTU. 4383 */ 4384 if (ifr->ifr_mtu > ETHERMTU) { 4385 error = EINVAL; 4386 break; 4387 } 4388 ifp->if_mtu = ifr->ifr_mtu; 4389 break; 4390 4391#ifdef SIOCGADDRROM 4392 case SIOCGADDRROM: { 4393 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4394 break; 4395 } 4396#endif 4397#ifdef SIOCGCHIPID 4398 case SIOCGCHIPID: { 4399 ifr->ifr_metric = (int) sc->tulip_chipid; 4400 break; 4401 } 4402#endif 4403 default: { 4404 error = ether_ioctl(ifp, cmd, data); 4405 break; 4406 } 4407 } 4408 4409 splx(s); 4410 TULIP_PERFEND(ifioctl); 4411 return error; 4412} 4413 4414static void 4415tulip_ifstart( 4416 struct ifnet * const ifp) 4417{ 4418 TULIP_PERFSTART(ifstart) 4419 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4420 4421 if (sc->tulip_ifp->if_flags & IFF_RUNNING) { 4422 4423 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4424 tulip_txput_setup(sc); 4425 4426 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) { 4427 struct mbuf *m; 4428 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m); 4429 if(m == NULL) 4430 break; 4431 if ((m = tulip_txput(sc, m)) != NULL) { 4432 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m); 4433 break; 4434 } 4435 } 4436 } 4437 4438 TULIP_PERFEND(ifstart); 4439} 4440 4441/* 4442 * Even though this routine runs at device spl, it does not break 4443 * our use of splnet (splsoftnet under NetBSD) for the majority 4444 * of this driver since 4445 * if_watcbog is called from if_watchdog which is called from 4446 * splsoftclock which is below spl[soft]net. 4447 */ 4448static void 4449tulip_ifwatchdog( 4450 struct ifnet *ifp) 4451{ 4452 TULIP_PERFSTART(ifwatchdog) 4453 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4454 4455#if defined(TULIP_DEBUG) 4456 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4457 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4458 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4459 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4460#endif /* TULIP_DEBUG */ 4461 4462 sc->tulip_ifp->if_timer = 1; 4463 /* 4464 * These should be rare so do a bulk test up front so we can just skip 4465 * them if needed. 4466 */ 4467 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4468 /* 4469 * If the number of receive buffer is low, try to refill 4470 */ 4471 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4472 tulip_rx_intr(sc); 4473 4474 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4475 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n", 4476 sc->tulip_system_errors, 4477 tulip_system_errors[sc->tulip_last_system_error]); 4478 } 4479 if (sc->tulip_statusbits) { 4480 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4481 sc->tulip_statusbits = 0; 4482 } 4483 4484 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4485 } 4486 4487 if (sc->tulip_txtimer) 4488 tulip_tx_intr(sc); 4489 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4490 if_printf(sc->tulip_ifp, "transmission timeout\n"); 4491 if (TULIP_DO_AUTOSENSE(sc)) { 4492 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4493 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4494 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4495 } 4496 tulip_reset(sc); 4497 tulip_init(sc); 4498 } 4499 4500 TULIP_PERFEND(ifwatchdog); 4501 TULIP_PERFMERGE(sc, perf_intr_cycles); 4502 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4503 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4504 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4505 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4506 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4507 TULIP_PERFMERGE(sc, perf_txput_cycles); 4508 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4509 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4510 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4511 TULIP_PERFMERGE(sc, perf_intr); 4512 TULIP_PERFMERGE(sc, perf_ifstart); 4513 TULIP_PERFMERGE(sc, perf_ifioctl); 4514 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4515 TULIP_PERFMERGE(sc, perf_timeout); 4516 TULIP_PERFMERGE(sc, perf_ifstart_one); 4517 TULIP_PERFMERGE(sc, perf_txput); 4518 TULIP_PERFMERGE(sc, perf_txintr); 4519 TULIP_PERFMERGE(sc, perf_rxintr); 4520 TULIP_PERFMERGE(sc, perf_rxget); 4521} 4522 4523/* 4524 * All printf's are real as of now! 4525 */ 4526#ifdef printf 4527#undef printf 4528#endif 4529 4530static void 4531tulip_attach( 4532 tulip_softc_t * const sc) 4533{ 4534 struct ifnet *ifp; 4535 4536 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER); 4537 4538 /* XXX: driver name/unit should be set some other way */ 4539 if_initname(ifp, "de", sc->tulip_unit); 4540 ifp->if_softc = sc; 4541 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST|IFF_NEEDSGIANT; 4542 ifp->if_ioctl = tulip_ifioctl; 4543 ifp->if_start = tulip_ifstart; 4544 ifp->if_watchdog = tulip_ifwatchdog; 4545 ifp->if_timer = 1; 4546 ifp->if_init = tulip_ifinit; 4547 4548 if_printf(ifp, "%s%s pass %d.%d%s\n", 4549 sc->tulip_boardid, 4550 tulip_chipdescs[sc->tulip_chipid], 4551 (sc->tulip_revinfo & 0xF0) >> 4, 4552 sc->tulip_revinfo & 0x0F, 4553 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4554 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4555 4556#if defined(__alpha__) 4557 /* 4558 * In case the SRM console told us about a bogus media, 4559 * we need to check to be safe. 4560 */ 4561 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4562 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4563#endif 4564 4565 (*sc->tulip_boardsw->bd_media_probe)(sc); 4566 ifmedia_init(&sc->tulip_ifmedia, 0, 4567 tulip_ifmedia_change, 4568 tulip_ifmedia_status); 4569 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4570 tulip_ifmedia_add(sc); 4571 4572 tulip_reset(sc); 4573 4574 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr); 4575 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4576 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4577 IFQ_SET_READY(&ifp->if_snd); 4578} 4579 4580#if defined(TULIP_BUS_DMA) 4581#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4582static int 4583tulip_busdma_allocmem( 4584 tulip_softc_t * const sc, 4585 size_t size, 4586 bus_dmamap_t *map_p, 4587 tulip_desc_t **desc_p) 4588{ 4589 bus_dma_segment_t segs[1]; 4590 int nsegs, error; 4591 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4592 segs, sizeof(segs)/sizeof(segs[0]), 4593 &nsegs, BUS_DMA_NOWAIT); 4594 if (error == 0) { 4595 void *desc; 4596 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4597 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4598 if (error == 0) { 4599 bus_dmamap_t map; 4600 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4601 BUS_DMA_NOWAIT, &map); 4602 if (error == 0) { 4603 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4604 size, NULL, BUS_DMA_NOWAIT); 4605 if (error) 4606 bus_dmamap_destroy(sc->tulip_dmatag, map); 4607 else 4608 *map_p = map; 4609 } 4610 if (error) 4611 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4612 } 4613 if (error) 4614 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4615 else 4616 *desc_p = desc; 4617 } 4618 return error; 4619} 4620#endif 4621 4622static int 4623tulip_busdma_init( 4624 tulip_softc_t * const sc) 4625{ 4626 int error = 0; 4627 4628#if !defined(TULIP_BUS_DMA_NOTX) 4629 /* 4630 * Allocate dmamap for setup descriptor 4631 */ 4632 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4633 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4634 &sc->tulip_setupmap); 4635 if (error == 0) { 4636 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4637 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4638 NULL, BUS_DMA_NOWAIT); 4639 if (error) 4640 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4641 } 4642 /* 4643 * Allocate space and dmamap for transmit ring 4644 */ 4645 if (error == 0) { 4646 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4647 &sc->tulip_txdescmap, 4648 &sc->tulip_txdescs); 4649 } 4650 4651 /* 4652 * Allocate dmamaps for each transmit descriptors 4653 */ 4654 if (error == 0) { 4655 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4656 bus_dmamap_t map; 4657 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4658 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4659 } 4660 if (error) { 4661 while (sc->tulip_txmaps_free > 0) 4662 bus_dmamap_destroy(sc->tulip_dmatag, 4663 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4664 } 4665 } 4666#else 4667 if (error == 0) { 4668 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4669 if (sc->tulip_txdescs == NULL) 4670 error = ENOMEM; 4671 } 4672#endif 4673#if !defined(TULIP_BUS_DMA_NORX) 4674 /* 4675 * Allocate space and dmamap for receive ring 4676 */ 4677 if (error == 0) { 4678 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4679 &sc->tulip_rxdescmap, 4680 &sc->tulip_rxdescs); 4681 } 4682 4683 /* 4684 * Allocate dmamaps for each receive descriptors 4685 */ 4686 if (error == 0) { 4687 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4688 bus_dmamap_t map; 4689 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4690 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4691 } 4692 if (error) { 4693 while (sc->tulip_rxmaps_free > 0) 4694 bus_dmamap_destroy(sc->tulip_dmatag, 4695 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4696 } 4697 } 4698#else 4699 if (error == 0) { 4700 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4701 if (sc->tulip_rxdescs == NULL) 4702 error = ENOMEM; 4703 } 4704#endif 4705 return error; 4706} 4707#endif /* TULIP_BUS_DMA */ 4708 4709static void 4710tulip_initcsrs( 4711 tulip_softc_t * const sc, 4712 tulip_csrptr_t csr_base, 4713 size_t csr_size) 4714{ 4715 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4716 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4717 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4718 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4719 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4720 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4721 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4722 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4723 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4724 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4725 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4726 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4727 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4728 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4729 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4730 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4731} 4732 4733static void 4734tulip_initring( 4735 tulip_softc_t * const sc, 4736 tulip_ringinfo_t * const ri, 4737 tulip_desc_t *descs, 4738 int ndescs) 4739{ 4740 ri->ri_max = ndescs; 4741 ri->ri_first = descs; 4742 ri->ri_last = ri->ri_first + ri->ri_max; 4743 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4744 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4745} 4746 4747/* 4748 * This is the PCI configuration support. 4749 */ 4750 4751#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4752#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4753#define PCI_CFDA 0x40 /* Configuration Driver Area */ 4754 4755static int 4756tulip_pci_probe(device_t dev) 4757{ 4758 const char *name = NULL; 4759 4760 if (pci_get_vendor(dev) != DEC_VENDORID) 4761 return ENXIO; 4762 4763 /* 4764 * Some LanMedia WAN cards use the Tulip chip, but they have 4765 * their own driver, and we should not recognize them 4766 */ 4767 if (pci_get_subvendor(dev) == 0x1376) 4768 return ENXIO; 4769 4770 switch (pci_get_device(dev)) { 4771 case CHIPID_21040: 4772 name = "Digital 21040 Ethernet"; 4773 break; 4774 case CHIPID_21041: 4775 name = "Digital 21041 Ethernet"; 4776 break; 4777 case CHIPID_21140: 4778 if (pci_get_revid(dev) >= 0x20) 4779 name = "Digital 21140A Fast Ethernet"; 4780 else 4781 name = "Digital 21140 Fast Ethernet"; 4782 break; 4783 case CHIPID_21142: 4784 if (pci_get_revid(dev) >= 0x20) 4785 name = "Digital 21143 Fast Ethernet"; 4786 else 4787 name = "Digital 21142 Fast Ethernet"; 4788 break; 4789 } 4790 if (name) { 4791 device_set_desc(dev, name); 4792 return BUS_PROBE_LOW_PRIORITY; 4793 } 4794 return ENXIO; 4795} 4796 4797static int 4798tulip_shutdown(device_t dev) 4799{ 4800 tulip_softc_t * const sc = device_get_softc(dev); 4801 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4802 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4803 33MHz that comes to two microseconds but wait a 4804 bit longer anyways) */ 4805 return 0; 4806} 4807 4808static int 4809tulip_pci_attach(device_t dev) 4810{ 4811 tulip_softc_t *sc; 4812#if defined(__alpha__) 4813 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 4814#endif 4815 int retval, idx; 4816 u_int32_t revinfo, cfdainfo, cfcsinfo; 4817 unsigned csroffset = TULIP_PCI_CSROFFSET; 4818 unsigned csrsize = TULIP_PCI_CSRSIZE; 4819 tulip_csrptr_t csr_base; 4820 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4821 struct resource *res; 4822 int rid, unit; 4823 4824 unit = device_get_unit(dev); 4825 4826 if (unit >= TULIP_MAX_DEVICES) { 4827 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4828 TULIP_MAX_DEVICES); 4829 return ENXIO; 4830 } 4831 4832 revinfo = pci_get_revid(dev); 4833 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4834 cfcsinfo = pci_read_config(dev, PCIR_COMMAND, 4); 4835 4836 /* turn busmaster on in case BIOS doesn't set it */ 4837 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 4838 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 4839 pci_write_config(dev, PCIR_COMMAND, cfcsinfo, 4); 4840 } 4841 4842 if (pci_get_vendor(dev) == DEC_VENDORID) { 4843 if (pci_get_device(dev) == CHIPID_21040) 4844 chipid = TULIP_21040; 4845 else if (pci_get_device(dev) == CHIPID_21041) 4846 chipid = TULIP_21041; 4847 else if (pci_get_device(dev) == CHIPID_21140) 4848 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4849 else if (pci_get_device(dev) == CHIPID_21142) 4850 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4851 } 4852 if (chipid == TULIP_CHIPID_UNKNOWN) 4853 return ENXIO; 4854 4855 if (chipid == TULIP_21040 && revinfo < 0x20) { 4856 device_printf(dev, 4857 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4858 revinfo >> 4, revinfo & 0x0f); 4859 return ENXIO; 4860 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4861 device_printf(dev, 4862 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4863 revinfo >> 4, revinfo & 0x0f); 4864 return ENXIO; 4865 } 4866 4867 sc = device_get_softc(dev); 4868 sc->tulip_pci_busno = pci_get_bus(dev); 4869 sc->tulip_pci_devno = pci_get_slot(dev); 4870 sc->tulip_chipid = chipid; 4871 sc->tulip_flags |= TULIP_DEVICEPROBE; 4872 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4873 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4874 if (chipid == TULIP_21140A && revinfo <= 0x22) 4875 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4876 if (chipid == TULIP_21140) 4877 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4878 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4879 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4880 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4881 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4882 if (chipid != TULIP_21041 || revinfo >= 0x20) 4883 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4884 if (chipid != TULIP_21041) 4885 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4886 if (chipid != TULIP_21041 && revinfo >= 0x20) 4887 sc->tulip_features |= TULIP_HAVE_SIA100; 4888 } 4889 4890 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4891 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4892 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4893 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4894 DELAY(11*1000); 4895 } 4896#if defined(__alpha__) 4897 /* 4898 * The Alpha SRM console encodes a console set media in the driver 4899 * part of the CFDA register. Note that the Multia presents a 4900 * problem in that its BNC mode is really EXTSIA. So in that case 4901 * force a probe. 4902 */ 4903 switch ((cfdainfo >> 8) & 0xff) { 4904 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 4905 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 4906 case 3: media = TULIP_MEDIA_10BASET; break; 4907 case 4: media = TULIP_MEDIA_10BASET_FD; break; 4908 case 5: media = TULIP_MEDIA_100BASETX; break; 4909 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 4910 default: media = TULIP_MEDIA_UNKNOWN; break; 4911 } 4912#endif 4913 4914 sc->tulip_unit = unit; 4915 sc->tulip_revinfo = revinfo; 4916#if defined(TULIP_IOMAPPED) 4917 rid = PCI_CBIO; 4918 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4919#else 4920 rid = PCI_CBMA; 4921 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4922#endif 4923 if (!res) 4924 return ENXIO; 4925 sc->tulip_csrs_bst = rman_get_bustag(res); 4926 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4927 csr_base = 0; 4928 4929 tulips[unit] = sc; 4930 4931 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4932 4933#if defined(TULIP_BUS_DMA) 4934 if ((retval = tulip_busdma_init(sc)) != 0) { 4935 printf("error initing bus_dma: %d\n", retval); 4936 return ENXIO; 4937 } 4938#else 4939 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 4940 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 4941 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 4942 device_printf(dev, "malloc failed\n"); 4943 if (sc->tulip_rxdescs) 4944 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4945 if (sc->tulip_txdescs) 4946 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4947 return ENXIO; 4948 } 4949#endif 4950 4951 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4952 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4953 4954 /* 4955 * Make sure there won't be any interrupts or such... 4956 */ 4957 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4958 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4959 33MHz that comes to two microseconds but wait a 4960 bit longer anyways) */ 4961 4962 if ((retval = tulip_read_macaddr(sc)) < 0) { 4963 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4964 for (idx = 0; idx < 32; idx++) 4965 printf("%02x", sc->tulip_rombuf[idx]); 4966 printf("\n"); 4967 device_printf(dev, "%s%s pass %d.%d\n", 4968 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4969 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4970 device_printf(dev, "address unknown\n"); 4971 } else { 4972 int s; 4973 void (*intr_rtn)(void *) = tulip_intr_normal; 4974 4975 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4976 intr_rtn = tulip_intr_shared; 4977 4978 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4979 void *ih; 4980 4981 rid = 0; 4982 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4983 RF_SHAREABLE | RF_ACTIVE); 4984 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 4985 intr_rtn, sc, &ih)) { 4986 device_printf(dev, "couldn't map interrupt\n"); 4987 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 4988 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 4989 return ENXIO; 4990 } 4991 } 4992 4993 s = splimp(); 4994#if defined(__alpha__) 4995 sc->tulip_media = media; 4996#endif 4997 tulip_attach(sc); 4998#if defined(__alpha__) 4999 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5000 tulip_linkup(sc, media); 5001#endif 5002 splx(s); 5003 } 5004 return 0; 5005} 5006 5007static device_method_t tulip_pci_methods[] = { 5008 /* Device interface */ 5009 DEVMETHOD(device_probe, tulip_pci_probe), 5010 DEVMETHOD(device_attach, tulip_pci_attach), 5011 DEVMETHOD(device_shutdown, tulip_shutdown), 5012 { 0, 0 } 5013}; 5014static driver_t tulip_pci_driver = { 5015 "de", 5016 tulip_pci_methods, 5017 sizeof(tulip_softc_t), 5018}; 5019static devclass_t tulip_devclass; 5020DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 5021