if_de.c revision 49561
1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2/* $Id: if_de.c,v 1.109 1999/08/09 12:29:29 peter Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software withough specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 28 * 29 */ 30 31/* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40#define TULIP_HDR_DATA 41 42#ifdef __NetBSD__ 43#include "opt_inet.h" 44#include "opt_ns.h" 45#endif 46 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/mbuf.h> 50#include <sys/socket.h> 51#include <sys/sockio.h> 52#include <sys/malloc.h> 53#include <sys/kernel.h> 54#if defined(__FreeBSD__) 55#include <machine/clock.h> 56#elif defined(__bsdi__) || defined(__NetBSD__) 57#include <sys/device.h> 58#endif 59 60#if defined(__FreeBSD__) 61#include "opt_inet.h" 62#include "opt_ipx.h" 63#endif 64 65#if defined(__NetBSD__) 66#include "rnd.h" 67#if NRND > 0 68#include <sys/rnd.h> 69#endif 70#endif 71 72#include <net/if.h> 73#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 74#include <net/if_media.h> 75#endif 76#include <net/if_dl.h> 77#ifdef TULIP_USE_SOFTINTR 78#include <net/netisr.h> 79#endif 80 81#if defined(__bsdi__) && _BSDI_VERSION >= 199701 82#include <dev/mii/mii.h> 83#include <dev/mii/miivar.h> 84#endif 85 86#include "bpf.h" 87#if NBPF > 0 88#include <net/bpf.h> 89#endif 90 91#ifdef INET 92#include <netinet/in.h> 93#include <netinet/if_ether.h> 94#endif 95 96#ifdef IPX 97#include <netipx/ipx.h> 98#include <netipx/ipx_if.h> 99#endif 100 101#ifdef NS 102#include <netns/ns.h> 103#include <netns/ns_if.h> 104#endif 105 106#include <vm/vm.h> 107 108#if defined(__FreeBSD__) 109#include <net/if_var.h> 110#include <vm/pmap.h> 111#include <pci/pcivar.h> 112#include <pci/dc21040reg.h> 113#define DEVAR_INCLUDE "pci/if_devar.h" 114#include "opt_bdg.h" 115#ifdef BRIDGE 116#include <net/bridge.h> 117#endif 118#endif /* __FreeBSD__ */ 119 120#if defined(__bsdi__) 121#include <netinet/if_ether.h> 122#include <i386/pci/ic/dc21040reg.h> 123#include <i386/isa/isa.h> 124#include <i386/isa/icu.h> 125#include <i386/isa/dma.h> 126#include <i386/isa/isavar.h> 127#include <i386/pci/pci.h> 128#if _BSDI_VERSION < 199510 129#include <eisa.h> 130#else 131#define NEISA 0 132#endif 133#if NEISA > 0 && _BSDI_VERSION >= 199401 134#include <i386/eisa/eisa.h> 135#define TULIP_EISA 136#endif 137#define DEVAR_INCLUDE "i386/pci/if_devar.h" 138#endif /* __bsdi__ */ 139 140#if defined(__NetBSD__) 141#include <net/if_ether.h> 142#if defined(INET) 143#include <netinet/if_inarp.h> 144#endif 145#include <machine/bus.h> 146#include <machine/intr.h> 147#include <dev/pci/pcireg.h> 148#include <dev/pci/pcivar.h> 149#include <dev/ic/dc21040reg.h> 150#define DEVAR_INCLUDE "dev/pci/if_devar.h" 151#endif /* __NetBSD__ */ 152 153/* 154 * Intel CPUs should use I/O mapped access. 155 */ 156#if defined(__i386__) || defined(TULIP_EISA) 157#define TULIP_IOMAPPED 158#endif 159 160#if 0 161/* 162 * This turns on all sort of debugging stuff and make the 163 * driver much larger. 164 */ 165#define TULIP_DEBUG 166#endif 167 168#if 0 169#define TULIP_PERFSTATS 170#endif 171 172#if 0 173#define TULIP_USE_SOFTINTR 174#endif 175 176#define TULIP_HZ 10 177 178#include DEVAR_INCLUDE 179/* 180 * This module supports 181 * the DEC 21040 PCI Ethernet Controller. 182 * the DEC 21041 PCI Ethernet Controller. 183 * the DEC 21140 PCI Fast Ethernet Controller. 184 */ 185static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 186static tulip_intrfunc_t tulip_intr_shared(void *arg); 187static tulip_intrfunc_t tulip_intr_normal(void *arg); 188static void tulip_init(tulip_softc_t * const sc); 189static void tulip_reset(tulip_softc_t * const sc); 190static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 191static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 192static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 193static void tulip_txput_setup(tulip_softc_t * const sc); 194static void tulip_rx_intr(tulip_softc_t * const sc); 195static void tulip_addr_filter(tulip_softc_t * const sc); 196static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 197static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 198static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 199static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 200static int tulip_srom_decode(tulip_softc_t * const sc); 201#if defined(IFM_ETHER) 202static int tulip_ifmedia_change(struct ifnet * const ifp); 203static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 204#endif 205/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 206 207static void 208tulip_timeout_callback( 209 void *arg) 210{ 211 tulip_softc_t * const sc = arg; 212 tulip_spl_t s = TULIP_RAISESPL(); 213 214 TULIP_PERFSTART(timeout) 215 216 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 217 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 218 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 219 220 TULIP_PERFEND(timeout); 221 TULIP_RESTORESPL(s); 222} 223 224static void 225tulip_timeout( 226 tulip_softc_t * const sc) 227{ 228 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 229 return; 230 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 231 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 232} 233 234#if defined(TULIP_NEED_FASTTIMEOUT) 235static void 236tulip_fasttimeout_callback( 237 void *arg) 238{ 239 tulip_softc_t * const sc = arg; 240 tulip_spl_t s = TULIP_RAISESPL(); 241 242 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 243 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 244 TULIP_RESTORESPL(s); 245} 246 247static void 248tulip_fasttimeout( 249 tulip_softc_t * const sc) 250{ 251 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 252 return; 253 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 254 timeout(tulip_fasttimeout_callback, sc, 1); 255} 256#endif 257 258static int 259tulip_txprobe( 260 tulip_softc_t * const sc) 261{ 262 struct mbuf *m; 263 /* 264 * Before we are sure this is the right media we need 265 * to send a small packet to make sure there's carrier. 266 * Strangely, BNC and AUI will "see" receive data if 267 * either is connected so the transmit is the only way 268 * to verify the connectivity. 269 */ 270 MGETHDR(m, M_DONTWAIT, MT_DATA); 271 if (m == NULL) 272 return 0; 273 /* 274 * Construct a LLC TEST message which will point to ourselves. 275 */ 276 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 277 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 278 mtod(m, struct ether_header *)->ether_type = htons(3); 279 mtod(m, unsigned char *)[14] = 0; 280 mtod(m, unsigned char *)[15] = 0; 281 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 282 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 283 /* 284 * send it! 285 */ 286 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 287 sc->tulip_intrmask |= TULIP_STS_TXINTR; 288 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 289 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 290 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 291 if ((m = tulip_txput(sc, m)) != NULL) 292 m_freem(m); 293 sc->tulip_probe.probe_txprobes++; 294 return 1; 295} 296 297#ifdef BIG_PACKET 298#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 299#else 300#define TULIP_SIAGEN_WATCHDOG 0 301#endif 302 303static void 304tulip_media_set( 305 tulip_softc_t * const sc, 306 tulip_media_t media) 307{ 308 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 309 310 if (mi == NULL) 311 return; 312 313 /* 314 * If we are switching media, make sure we don't think there's 315 * any stale RX activity 316 */ 317 sc->tulip_flags &= ~TULIP_RXACT; 318 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 319 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 320 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 321 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 322 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 323 DELAY(50); 324 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 325 } else { 326 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 327 } 328 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 329 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 330#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 331 /* 332 * If the cmdmode bits don't match the currently operating mode, 333 * set the cmdmode appropriately and reset the chip. 334 */ 335 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 336 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 337 sc->tulip_cmdmode |= mi->mi_cmdmode; 338 tulip_reset(sc); 339 } 340 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 341 DELAY(10); 342 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 343 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 344 /* 345 * If the cmdmode bits don't match the currently operating mode, 346 * set the cmdmode appropriately and reset the chip. 347 */ 348 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 349 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 350 sc->tulip_cmdmode |= mi->mi_cmdmode; 351 tulip_reset(sc); 352 } 353 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 354 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 355 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 356 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 357 int idx; 358 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 359 const u_int8_t *dp; 360 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 361 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 362 DELAY(10); 363 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 364 } 365 sc->tulip_phyaddr = mi->mi_phyaddr; 366 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 367 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 368 DELAY(10); 369 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 370 } 371 } else { 372 for (idx = 0; idx < mi->mi_reset_length; idx++) { 373 DELAY(10); 374 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 375 } 376 sc->tulip_phyaddr = mi->mi_phyaddr; 377 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 378 DELAY(10); 379 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 380 } 381 } 382 if (sc->tulip_flags & TULIP_TRYNWAY) { 383 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 384 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 385 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 386 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 387 sc->tulip_flags &= ~TULIP_DIDNWAY; 388 if (TULIP_IS_MEDIA_FD(media)) 389 data |= PHYCTL_FULL_DUPLEX; 390 if (TULIP_IS_MEDIA_100MB(media)) 391 data |= PHYCTL_SELECT_100MB; 392 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 393 } 394 } 395} 396 397static void 398tulip_linkup( 399 tulip_softc_t * const sc, 400 tulip_media_t media) 401{ 402 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 403 sc->tulip_flags |= TULIP_PRINTLINKUP; 404 sc->tulip_flags |= TULIP_LINKUP; 405 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 406#if 0 /* XXX how does with work with ifmedia? */ 407 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 408 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 409 if (TULIP_CAN_MEDIA_FD(media) 410 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 411 media = TULIP_FD_MEDIA_OF(media); 412 } else { 413 if (TULIP_IS_MEDIA_FD(media) 414 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 415 media = TULIP_HD_MEDIA_OF(media); 416 } 417 } 418#endif 419 if (sc->tulip_media != media) { 420#ifdef TULIP_DEBUG 421 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 422#endif 423 sc->tulip_media = media; 424 sc->tulip_flags |= TULIP_PRINTMEDIA; 425 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 426 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 427 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 428 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 429 } 430 } 431 /* 432 * We could set probe_timeout to 0 but setting to 3000 puts this 433 * in one central place and the only matters is tulip_link is 434 * followed by a tulip_timeout. Therefore setting it should not 435 * result in aberrant behavour. 436 */ 437 sc->tulip_probe_timeout = 3000; 438 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 439 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 440 if (sc->tulip_flags & TULIP_INRESET) { 441 tulip_media_set(sc, sc->tulip_media); 442 } else if (sc->tulip_probe_media != sc->tulip_media) { 443 /* 444 * No reason to change media if we have the right media. 445 */ 446 tulip_reset(sc); 447 } 448 tulip_init(sc); 449} 450 451static void 452tulip_media_print( 453 tulip_softc_t * const sc) 454{ 455 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 456 return; 457 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 458 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 459 TULIP_PRINTF_ARGS, 460 tulip_mediums[sc->tulip_media]); 461 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 462 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 463 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 464 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 465 } 466} 467 468#if defined(TULIP_DO_GPR_SENSE) 469static tulip_media_t 470tulip_21140_gpr_media_sense( 471 tulip_softc_t * const sc) 472{ 473 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 474 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 475 tulip_media_t media; 476 477 /* 478 * If one of the media blocks contained a default media flag, 479 * use that. 480 */ 481 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 482 const tulip_media_info_t *mi; 483 /* 484 * Media is not supported (or is full-duplex). 485 */ 486 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 487 continue; 488 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 489 continue; 490 491 /* 492 * Remember the media is this is the "default" media. 493 */ 494 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 495 maybe_media = media; 496 497 /* 498 * No activity mask? Can't see if it is active if there's no mask. 499 */ 500 if (mi->mi_actmask == 0) 501 continue; 502 503 /* 504 * Does the activity data match? 505 */ 506 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 507 continue; 508 509#if defined(TULIP_DEBUG) 510 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 511 TULIP_PRINTF_ARGS, tulip_mediums[media], 512 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 513 mi->mi_actmask, mi->mi_actdata); 514#endif 515 /* 516 * It does! If this is the first media we detected, then 517 * remember this media. If isn't the first, then there were 518 * multiple matches which we equate to no match (since we don't 519 * which to select (if any). 520 */ 521 if (last_media == TULIP_MEDIA_UNKNOWN) { 522 last_media = media; 523 } else if (last_media != media) { 524 last_media = TULIP_MEDIA_UNKNOWN; 525 } 526 } 527 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 528} 529#endif /* TULIP_DO_GPR_SENSE */ 530 531static tulip_link_status_t 532tulip_media_link_monitor( 533 tulip_softc_t * const sc) 534{ 535 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 536 tulip_link_status_t linkup = TULIP_LINK_DOWN; 537 538 if (mi == NULL) { 539#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 540 panic("tulip_media_link_monitor: %s: botch at line %d\n", 541 tulip_mediums[sc->tulip_media],__LINE__); 542#endif 543 return TULIP_LINK_UNKNOWN; 544 } 545 546 547 /* 548 * Have we seen some packets? If so, the link must be good. 549 */ 550 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 551 sc->tulip_flags &= ~TULIP_RXACT; 552 sc->tulip_probe_timeout = 3000; 553 return TULIP_LINK_UP; 554 } 555 556 sc->tulip_flags &= ~TULIP_RXACT; 557 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 558 u_int32_t status; 559 /* 560 * Read the PHY status register. 561 */ 562 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 563 if (status & PHYSTS_AUTONEG_DONE) { 564 /* 565 * If the PHY has completed autonegotiation, see the if the 566 * remote systems abilities have changed. If so, upgrade or 567 * downgrade as appropriate. 568 */ 569 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 570 abilities = (abilities << 6) & status; 571 if (abilities != sc->tulip_abilities) { 572#if defined(TULIP_DEBUG) 573 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 574 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 575 sc->tulip_abilities, abilities); 576#endif 577 if (tulip_mii_map_abilities(sc, abilities)) { 578 tulip_linkup(sc, sc->tulip_probe_media); 579 return TULIP_LINK_UP; 580 } 581 /* 582 * if we had selected media because of autonegotiation, 583 * we need to probe for the new media. 584 */ 585 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 586 if (sc->tulip_flags & TULIP_DIDNWAY) 587 return TULIP_LINK_DOWN; 588 } 589 } 590 /* 591 * The link is now up. If was down, say its back up. 592 */ 593 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 594 linkup = TULIP_LINK_UP; 595 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 596 /* 597 * No activity sensor? Assume all's well. 598 */ 599 if (mi->mi_actmask == 0) 600 return TULIP_LINK_UNKNOWN; 601 /* 602 * Does the activity data match? 603 */ 604 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 605 linkup = TULIP_LINK_UP; 606 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 607 /* 608 * Assume non TP ok for now. 609 */ 610 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 611 return TULIP_LINK_UNKNOWN; 612 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 613 linkup = TULIP_LINK_UP; 614#if defined(TULIP_DEBUG) 615 if (sc->tulip_probe_timeout <= 0) 616 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 617#endif 618 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 619 return TULIP_LINK_UNKNOWN; 620 } 621 /* 622 * We will wait for 3 seconds until the link goes into suspect mode. 623 */ 624 if (sc->tulip_flags & TULIP_LINKUP) { 625 if (linkup == TULIP_LINK_UP) 626 sc->tulip_probe_timeout = 3000; 627 if (sc->tulip_probe_timeout > 0) 628 return TULIP_LINK_UP; 629 630 sc->tulip_flags &= ~TULIP_LINKUP; 631 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 632 } 633#if defined(TULIP_DEBUG) 634 sc->tulip_dbg.dbg_link_downed++; 635#endif 636 return TULIP_LINK_DOWN; 637} 638 639static void 640tulip_media_poll( 641 tulip_softc_t * const sc, 642 tulip_mediapoll_event_t event) 643{ 644#if defined(TULIP_DEBUG) 645 sc->tulip_dbg.dbg_events[event]++; 646#endif 647 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 648 && event == TULIP_MEDIAPOLL_TIMER) { 649 switch (tulip_media_link_monitor(sc)) { 650 case TULIP_LINK_DOWN: { 651 /* 652 * Link Monitor failed. Probe for new media. 653 */ 654 event = TULIP_MEDIAPOLL_LINKFAIL; 655 break; 656 } 657 case TULIP_LINK_UP: { 658 /* 659 * Check again soon. 660 */ 661 tulip_timeout(sc); 662 return; 663 } 664 case TULIP_LINK_UNKNOWN: { 665 /* 666 * We can't tell so don't bother. 667 */ 668 return; 669 } 670 } 671 } 672 673 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 674 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 675 if (TULIP_DO_AUTOSENSE(sc)) { 676#if defined(TULIP_DEBUG) 677 sc->tulip_dbg.dbg_link_failures++; 678#endif 679 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 680 if (sc->tulip_if.if_flags & IFF_UP) 681 tulip_reset(sc); /* restart probe */ 682 } 683 return; 684 } 685#if defined(TULIP_DEBUG) 686 sc->tulip_dbg.dbg_link_pollintrs++; 687#endif 688 } 689 690 if (event == TULIP_MEDIAPOLL_START) { 691 sc->tulip_if.if_flags |= IFF_OACTIVE; 692 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 693 return; 694 sc->tulip_probe_mediamask = 0; 695 sc->tulip_probe_passes = 0; 696#if defined(TULIP_DEBUG) 697 sc->tulip_dbg.dbg_media_probes++; 698#endif 699 /* 700 * If the SROM contained an explicit media to use, use it. 701 */ 702 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 703 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 704 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 705 /* 706 * connidx is defaulted to a media_unknown type. 707 */ 708 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 709 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 710 tulip_linkup(sc, sc->tulip_probe_media); 711 tulip_timeout(sc); 712 return; 713 } 714 715 if (sc->tulip_features & TULIP_HAVE_GPR) { 716 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 717 sc->tulip_probe_timeout = 2000; 718 } else { 719 sc->tulip_probe_media = TULIP_MEDIA_MAX; 720 sc->tulip_probe_timeout = 0; 721 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 722 } 723 } 724 725 /* 726 * Ignore txprobe failures or spurious callbacks. 727 */ 728 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 729 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 730 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 731 return; 732 } 733 734 /* 735 * If we really transmitted a packet, then that's the media we'll use. 736 */ 737 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 738 if (event == TULIP_MEDIAPOLL_LINKPASS) { 739 /* XXX Check media status just to be sure */ 740 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 741#if defined(TULIP_DEBUG) 742 } else { 743 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 744#endif 745 } 746 tulip_linkup(sc, sc->tulip_probe_media); 747 tulip_timeout(sc); 748 return; 749 } 750 751 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 752#if defined(TULIP_DO_GPR_SENSE) 753 /* 754 * Check for media via the general purpose register. 755 * 756 * Try to sense the media via the GPR. If the same value 757 * occurs 3 times in a row then just use that. 758 */ 759 if (sc->tulip_probe_timeout > 0) { 760 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 761#if defined(TULIP_DEBUG) 762 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 763 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 764#endif 765 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 766 if (new_probe_media == sc->tulip_probe_media) { 767 if (--sc->tulip_probe_count == 0) 768 tulip_linkup(sc, sc->tulip_probe_media); 769 } else { 770 sc->tulip_probe_count = 10; 771 } 772 } 773 sc->tulip_probe_media = new_probe_media; 774 tulip_timeout(sc); 775 return; 776 } 777#endif /* TULIP_DO_GPR_SENSE */ 778 /* 779 * Brute force. We cycle through each of the media types 780 * and try to transmit a packet. 781 */ 782 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 783 sc->tulip_probe_media = TULIP_MEDIA_MAX; 784 sc->tulip_probe_timeout = 0; 785 tulip_timeout(sc); 786 return; 787 } 788 789 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 790 && (sc->tulip_features & TULIP_HAVE_MII)) { 791 tulip_media_t old_media = sc->tulip_probe_media; 792 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 793 switch (sc->tulip_probe_state) { 794 case TULIP_PROBE_FAILED: 795 case TULIP_PROBE_MEDIATEST: { 796 /* 797 * Try the next media. 798 */ 799 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 800 sc->tulip_probe_timeout = 0; 801#ifdef notyet 802 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 803 break; 804 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 805 break; 806 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 807#endif 808 break; 809 } 810 case TULIP_PROBE_PHYAUTONEG: { 811 return; 812 } 813 case TULIP_PROBE_INACTIVE: { 814 /* 815 * Only probe if we autonegotiated a media that hasn't failed. 816 */ 817 sc->tulip_probe_timeout = 0; 818 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 819 sc->tulip_probe_media = old_media; 820 break; 821 } 822 tulip_linkup(sc, sc->tulip_probe_media); 823 tulip_timeout(sc); 824 return; 825 } 826 default: { 827#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 828 panic("tulip_media_poll: botch at line %d\n", __LINE__); 829#endif 830 break; 831 } 832 } 833 } 834 835 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 836#if defined(TULIP_DEBUG) 837 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 838#endif 839 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 840 return; 841 } 842 843 /* 844 * switch to another media if we tried this one enough. 845 */ 846 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 847#if defined(TULIP_DEBUG) 848 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 849 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 850 TULIP_PRINTF_ARGS); 851 sc->tulip_probe_media = TULIP_MEDIA_MAX; 852 } 853#endif 854 /* 855 * Find the next media type to check for. Full Duplex 856 * types are not allowed. 857 */ 858 do { 859 sc->tulip_probe_media -= 1; 860 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 861 if (++sc->tulip_probe_passes == 3) { 862 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 863 TULIP_PRINTF_ARGS); 864 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 865 sc->tulip_if.if_flags &= ~IFF_RUNNING; 866 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 867 return; 868 } 869 } 870 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 871 sc->tulip_probe_mediamask = 0; 872 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 873 } 874 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 875 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 876 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 877 878#if defined(TULIP_DEBUG) 879 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 880 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 881 tulip_mediums[sc->tulip_probe_media]); 882#endif 883 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 884 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 885 sc->tulip_probe.probe_txprobes = 0; 886 tulip_reset(sc); 887 tulip_media_set(sc, sc->tulip_probe_media); 888 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 889 } 890 tulip_timeout(sc); 891 892 /* 893 * If this is hanging off a phy, we know are doing NWAY and we have 894 * forced the phy to a specific speed. Wait for link up before 895 * before sending a packet. 896 */ 897 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 898 case TULIP_MEDIAINFO_MII: { 899 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 900 return; 901 break; 902 } 903 case TULIP_MEDIAINFO_SIA: { 904 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 905 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 906 return; 907 tulip_linkup(sc, sc->tulip_probe_media); 908#ifdef notyet 909 if (sc->tulip_features & TULIP_HAVE_MII) 910 tulip_timeout(sc); 911#endif 912 return; 913 } 914 break; 915 } 916 case TULIP_MEDIAINFO_RESET: 917 case TULIP_MEDIAINFO_SYM: 918 case TULIP_MEDIAINFO_NONE: 919 case TULIP_MEDIAINFO_GPR: { 920 break; 921 } 922 } 923 /* 924 * Try to send a packet. 925 */ 926 tulip_txprobe(sc); 927} 928 929static void 930tulip_media_select( 931 tulip_softc_t * const sc) 932{ 933 if (sc->tulip_features & TULIP_HAVE_GPR) { 934 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 935 DELAY(10); 936 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 937 } 938 /* 939 * If this board has no media, just return 940 */ 941 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 942 return; 943 944 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 945 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 946 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 947 } else { 948 tulip_media_set(sc, sc->tulip_media); 949 } 950} 951 952static void 953tulip_21040_mediainfo_init( 954 tulip_softc_t * const sc, 955 tulip_media_t media) 956{ 957 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 958 |TULIP_CMD_BACKOFFCTR; 959 sc->tulip_if.if_baudrate = 10000000; 960 961 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 962 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 963 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 964 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 965 } 966 967 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 968 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 969 } 970 971 if (media == TULIP_MEDIA_UNKNOWN) { 972 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 973 } 974} 975 976static void 977tulip_21040_media_probe( 978 tulip_softc_t * const sc) 979{ 980 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 981 return; 982} 983 984static void 985tulip_21040_10baset_only_media_probe( 986 tulip_softc_t * const sc) 987{ 988 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 989 tulip_media_set(sc, TULIP_MEDIA_10BASET); 990 sc->tulip_media = TULIP_MEDIA_10BASET; 991} 992 993static void 994tulip_21040_10baset_only_media_select( 995 tulip_softc_t * const sc) 996{ 997 sc->tulip_flags |= TULIP_LINKUP; 998 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 999 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1000 sc->tulip_flags &= ~TULIP_SQETEST; 1001 } else { 1002 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1003 sc->tulip_flags |= TULIP_SQETEST; 1004 } 1005 tulip_media_set(sc, sc->tulip_media); 1006} 1007 1008static void 1009tulip_21040_auibnc_only_media_probe( 1010 tulip_softc_t * const sc) 1011{ 1012 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1013 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1014 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1015 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1016} 1017 1018static void 1019tulip_21040_auibnc_only_media_select( 1020 tulip_softc_t * const sc) 1021{ 1022 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1023 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1024} 1025 1026static const tulip_boardsw_t tulip_21040_boardsw = { 1027 TULIP_21040_GENERIC, 1028 tulip_21040_media_probe, 1029 tulip_media_select, 1030 tulip_media_poll, 1031}; 1032 1033static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1034 TULIP_21040_GENERIC, 1035 tulip_21040_10baset_only_media_probe, 1036 tulip_21040_10baset_only_media_select, 1037 NULL, 1038}; 1039 1040static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1041 TULIP_21040_GENERIC, 1042 tulip_21040_auibnc_only_media_probe, 1043 tulip_21040_auibnc_only_media_select, 1044 NULL, 1045}; 1046 1047static void 1048tulip_21041_mediainfo_init( 1049 tulip_softc_t * const sc) 1050{ 1051 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1052 1053#ifdef notyet 1054 if (sc->tulip_revinfo >= 0x20) { 1055 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1056 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1057 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1058 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1059 return; 1060 } 1061#endif 1062 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1063 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1064 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1065 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1066} 1067 1068static void 1069tulip_21041_media_probe( 1070 tulip_softc_t * const sc) 1071{ 1072 sc->tulip_if.if_baudrate = 10000000; 1073 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1074 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1075 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1076 tulip_21041_mediainfo_init(sc); 1077} 1078 1079static void 1080tulip_21041_media_poll( 1081 tulip_softc_t * const sc, 1082 const tulip_mediapoll_event_t event) 1083{ 1084 u_int32_t sia_status; 1085 1086#if defined(TULIP_DEBUG) 1087 sc->tulip_dbg.dbg_events[event]++; 1088#endif 1089 1090 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1091 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1092 || !TULIP_DO_AUTOSENSE(sc)) 1093 return; 1094 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1095 tulip_reset(sc); /* start probe */ 1096 return; 1097 } 1098 1099 /* 1100 * If we've been been asked to start a poll or link change interrupt 1101 * restart the probe (and reset the tulip to a known state). 1102 */ 1103 if (event == TULIP_MEDIAPOLL_START) { 1104 sc->tulip_if.if_flags |= IFF_OACTIVE; 1105 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1106#ifdef notyet 1107 if (sc->tulip_revinfo >= 0x20) { 1108 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1109 sc->tulip_flags |= TULIP_DIDNWAY; 1110 } 1111#endif 1112 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1113 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1114 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1115 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1116 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1117 tulip_timeout(sc); 1118 return; 1119 } 1120 1121 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1122 return; 1123 1124 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1125#if defined(TULIP_DEBUG) 1126 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1127#endif 1128 tulip_linkup(sc, sc->tulip_probe_media); 1129 return; 1130 } 1131 1132 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1133 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1134 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1135 if (sc->tulip_revinfo >= 0x20) { 1136 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1137 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1138 } 1139 /* 1140 * If the link has passed LinkPass, 10baseT is the 1141 * proper media to use. 1142 */ 1143 tulip_linkup(sc, sc->tulip_probe_media); 1144 return; 1145 } 1146 1147 /* 1148 * wait for up to 2.4 seconds for the link to reach pass state. 1149 * Only then start scanning the other media for activity. 1150 * choose media with receive activity over those without. 1151 */ 1152 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1153 if (event != TULIP_MEDIAPOLL_TIMER) 1154 return; 1155 if (sc->tulip_probe_timeout > 0 1156 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1157 tulip_timeout(sc); 1158 return; 1159 } 1160 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1161 sc->tulip_flags |= TULIP_WANTRXACT; 1162 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1163 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1164 } else { 1165 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1166 } 1167 tulip_media_set(sc, sc->tulip_probe_media); 1168 tulip_timeout(sc); 1169 return; 1170 } 1171 1172 /* 1173 * If we failed, clear the txprobe active flag. 1174 */ 1175 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1176 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1177 1178 1179 if (event == TULIP_MEDIAPOLL_TIMER) { 1180 /* 1181 * If we've received something, then that's our link! 1182 */ 1183 if (sc->tulip_flags & TULIP_RXACT) { 1184 tulip_linkup(sc, sc->tulip_probe_media); 1185 return; 1186 } 1187 /* 1188 * if no txprobe active 1189 */ 1190 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1191 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1192 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1193 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1194 tulip_txprobe(sc); 1195 tulip_timeout(sc); 1196 return; 1197 } 1198 /* 1199 * Take 2 passes through before deciding to not 1200 * wait for receive activity. Then take another 1201 * two passes before spitting out a warning. 1202 */ 1203 if (sc->tulip_probe_timeout <= 0) { 1204 if (sc->tulip_flags & TULIP_WANTRXACT) { 1205 sc->tulip_flags &= ~TULIP_WANTRXACT; 1206 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1207 } else { 1208 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1209 TULIP_PRINTF_ARGS); 1210 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1211 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1212 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1213 return; 1214 } 1215 } 1216 } 1217 } 1218 1219 /* 1220 * Since this media failed to probe, try the other one. 1221 */ 1222 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1223 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1224 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1225 } else { 1226 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1227 } 1228 tulip_media_set(sc, sc->tulip_probe_media); 1229 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1230 tulip_timeout(sc); 1231} 1232 1233static const tulip_boardsw_t tulip_21041_boardsw = { 1234 TULIP_21041_GENERIC, 1235 tulip_21041_media_probe, 1236 tulip_media_select, 1237 tulip_21041_media_poll 1238}; 1239 1240static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1241 { 0x20005c00, 0, /* 08-00-17 */ 1242 { 1243 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1244 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1245 }, 1246#if defined(TULIP_DEBUG) 1247 "NS DP83840", 1248#endif 1249 }, 1250 { 0x0281F400, 0, /* 00-A0-7D */ 1251 { 1252 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1253 { }, /* 100TX */ 1254 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1255 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1256 }, 1257#if defined(TULIP_DEBUG) 1258 "Seeq 80C240" 1259#endif 1260 }, 1261#if 0 1262 { 0x0015F420, 0, /* 00-A0-7D */ 1263 { 1264 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1265 { }, /* 100TX */ 1266 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1267 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1268 }, 1269#if defined(TULIP_DEBUG) 1270 "Broadcom BCM5000" 1271#endif 1272 }, 1273#endif 1274 { 0x0281F400, 0, /* 00-A0-BE */ 1275 { 1276 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1277 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1278 { }, /* 100T4 */ 1279 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1280 }, 1281#if defined(TULIP_DEBUG) 1282 "ICS 1890" 1283#endif 1284 }, 1285 { 0 } 1286}; 1287 1288static tulip_media_t 1289tulip_mii_phy_readspecific( 1290 tulip_softc_t * const sc) 1291{ 1292 const tulip_phy_attr_t *attr; 1293 u_int16_t data; 1294 u_int32_t id; 1295 unsigned idx = 0; 1296 static const tulip_media_t table[] = { 1297 TULIP_MEDIA_UNKNOWN, 1298 TULIP_MEDIA_10BASET, 1299 TULIP_MEDIA_100BASETX, 1300 TULIP_MEDIA_100BASET4, 1301 TULIP_MEDIA_UNKNOWN, 1302 TULIP_MEDIA_10BASET_FD, 1303 TULIP_MEDIA_100BASETX_FD, 1304 TULIP_MEDIA_UNKNOWN 1305 }; 1306 1307 /* 1308 * Don't read phy specific registers if link is not up. 1309 */ 1310 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1311 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1312 return TULIP_MEDIA_UNKNOWN; 1313 1314 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1315 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1316 for (attr = tulip_mii_phy_attrlist;; attr++) { 1317 if (attr->attr_id == 0) 1318 return TULIP_MEDIA_UNKNOWN; 1319 if ((id & ~0x0F) == attr->attr_id) 1320 break; 1321 } 1322 1323 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1324 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1325 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1326 if ((data & pm->pm_mask) == pm->pm_value) 1327 idx = 2; 1328 } 1329 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1330 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1331 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1332 if ((data & pm->pm_mask) == pm->pm_value) 1333 idx = 3; 1334 } 1335 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1336 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1337 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1338 if ((data & pm->pm_mask) == pm->pm_value) 1339 idx = 1; 1340 } 1341 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1342 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1343 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1344 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1345 } 1346 return table[idx]; 1347} 1348 1349static unsigned 1350tulip_mii_get_phyaddr( 1351 tulip_softc_t * const sc, 1352 unsigned offset) 1353{ 1354 unsigned phyaddr; 1355 1356 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1357 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1358 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1359 continue; 1360 if (offset == 0) 1361 return phyaddr; 1362 offset--; 1363 } 1364 if (offset == 0) { 1365 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1366 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1367 return TULIP_MII_NOPHY; 1368 return 0; 1369 } 1370 return TULIP_MII_NOPHY; 1371} 1372 1373static int 1374tulip_mii_map_abilities( 1375 tulip_softc_t * const sc, 1376 unsigned abilities) 1377{ 1378 sc->tulip_abilities = abilities; 1379 if (abilities & PHYSTS_100BASETX_FD) { 1380 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1381 } else if (abilities & PHYSTS_100BASET4) { 1382 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1383 } else if (abilities & PHYSTS_100BASETX) { 1384 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1385 } else if (abilities & PHYSTS_10BASET_FD) { 1386 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1387 } else if (abilities & PHYSTS_10BASET) { 1388 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1389 } else { 1390 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1391 return 0; 1392 } 1393 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1394 return 1; 1395} 1396 1397static void 1398tulip_mii_autonegotiate( 1399 tulip_softc_t * const sc, 1400 const unsigned phyaddr) 1401{ 1402 switch (sc->tulip_probe_state) { 1403 case TULIP_PROBE_MEDIATEST: 1404 case TULIP_PROBE_INACTIVE: { 1405 sc->tulip_flags |= TULIP_DIDNWAY; 1406 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1407 sc->tulip_probe_timeout = 3000; 1408 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1409 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1410 /* FALL THROUGH */ 1411 } 1412 case TULIP_PROBE_PHYRESET: { 1413 u_int32_t status; 1414 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1415 if (data & PHYCTL_RESET) { 1416 if (sc->tulip_probe_timeout > 0) { 1417 tulip_timeout(sc); 1418 return; 1419 } 1420 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1421 TULIP_PRINTF_ARGS, phyaddr); 1422 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1423 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1424 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1425 return; 1426 } 1427 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1428 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1429#if defined(TULIP_DEBUG) 1430 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1431 TULIP_PRINTF_ARGS, phyaddr); 1432#endif 1433 sc->tulip_flags &= ~TULIP_DIDNWAY; 1434 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1435 return; 1436 } 1437 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1438 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1439 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1440 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1441#if defined(TULIP_DEBUG) 1442 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1443 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1444 TULIP_PRINTF_ARGS, phyaddr, data); 1445 else 1446 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1447 TULIP_PRINTF_ARGS, phyaddr, data); 1448 sc->tulip_dbg.dbg_nway_starts++; 1449#endif 1450 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1451 sc->tulip_probe_timeout = 3000; 1452 /* FALL THROUGH */ 1453 } 1454 case TULIP_PROBE_PHYAUTONEG: { 1455 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1456 u_int32_t data; 1457 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1458 if (sc->tulip_probe_timeout > 0) { 1459 tulip_timeout(sc); 1460 return; 1461 } 1462#if defined(TULIP_DEBUG) 1463 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1464 TULIP_PRINTF_ARGS, phyaddr, status, 1465 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1466#endif 1467 sc->tulip_flags &= ~TULIP_DIDNWAY; 1468 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1469 return; 1470 } 1471 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1472#if defined(TULIP_DEBUG) 1473 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1474 TULIP_PRINTF_ARGS, phyaddr, data); 1475#endif 1476 data = (data << 6) & status; 1477 if (!tulip_mii_map_abilities(sc, data)) 1478 sc->tulip_flags &= ~TULIP_DIDNWAY; 1479 return; 1480 } 1481 default: { 1482#if defined(DIAGNOSTIC) 1483 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1484#endif 1485 break; 1486 } 1487 } 1488#if defined(TULIP_DEBUG) 1489 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1490 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1491 sc->tulip_dbg.dbg_nway_failures++; 1492#endif 1493} 1494 1495static void 1496tulip_2114x_media_preset( 1497 tulip_softc_t * const sc) 1498{ 1499 const tulip_media_info_t *mi = NULL; 1500 tulip_media_t media = sc->tulip_media; 1501 1502 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1503 media = sc->tulip_media; 1504 else 1505 media = sc->tulip_probe_media; 1506 1507 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1508 sc->tulip_flags &= ~TULIP_SQETEST; 1509 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1510#if defined(TULIP_DEBUG) 1511 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1512#endif 1513 mi = sc->tulip_mediums[media]; 1514 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1515 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1516 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1517 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1518 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1519 sc->tulip_cmdmode |= mi->mi_cmdmode; 1520 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1521 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1522 } 1523#if defined(TULIP_DEBUG) 1524 } else { 1525 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1526 TULIP_PRINTF_ARGS, media); 1527 } 1528#endif 1529 } 1530 switch (media) { 1531 case TULIP_MEDIA_BNC: 1532 case TULIP_MEDIA_AUI: 1533 case TULIP_MEDIA_10BASET: { 1534 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1535 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1536 sc->tulip_if.if_baudrate = 10000000; 1537 sc->tulip_flags |= TULIP_SQETEST; 1538 break; 1539 } 1540 case TULIP_MEDIA_10BASET_FD: { 1541 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1542 sc->tulip_if.if_baudrate = 10000000; 1543 break; 1544 } 1545 case TULIP_MEDIA_100BASEFX: 1546 case TULIP_MEDIA_100BASET4: 1547 case TULIP_MEDIA_100BASETX: { 1548 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1549 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1550 sc->tulip_if.if_baudrate = 100000000; 1551 break; 1552 } 1553 case TULIP_MEDIA_100BASEFX_FD: 1554 case TULIP_MEDIA_100BASETX_FD: { 1555 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1556 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1557 sc->tulip_if.if_baudrate = 100000000; 1558 break; 1559 } 1560 default: { 1561 break; 1562 } 1563 } 1564 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1565} 1566 1567/* 1568 ******************************************************************** 1569 * Start of 21140/21140A support which does not use the MII interface 1570 */ 1571 1572static void 1573tulip_null_media_poll( 1574 tulip_softc_t * const sc, 1575 tulip_mediapoll_event_t event) 1576{ 1577#if defined(TULIP_DEBUG) 1578 sc->tulip_dbg.dbg_events[event]++; 1579#endif 1580#if defined(DIAGNOSTIC) 1581 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1582 TULIP_PRINTF_ARGS, __LINE__); 1583#endif 1584} 1585 1586__inline__ static void 1587tulip_21140_mediainit( 1588 tulip_softc_t * const sc, 1589 tulip_media_info_t * const mip, 1590 tulip_media_t const media, 1591 unsigned gpdata, 1592 unsigned cmdmode) 1593{ 1594 sc->tulip_mediums[media] = mip; 1595 mip->mi_type = TULIP_MEDIAINFO_GPR; 1596 mip->mi_cmdmode = cmdmode; 1597 mip->mi_gpdata = gpdata; 1598} 1599 1600static void 1601tulip_21140_evalboard_media_probe( 1602 tulip_softc_t * const sc) 1603{ 1604 tulip_media_info_t *mip = sc->tulip_mediainfo; 1605 1606 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1607 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1608 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1609 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1610 TULIP_CSR_WRITE(sc, csr_command, 1611 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1612 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1613 TULIP_CSR_WRITE(sc, csr_command, 1614 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1615 DELAY(1000000); 1616 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1617 sc->tulip_media = TULIP_MEDIA_10BASET; 1618 } else { 1619 sc->tulip_media = TULIP_MEDIA_100BASETX; 1620 } 1621 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1622 TULIP_GP_EB_INIT, 1623 TULIP_CMD_TXTHRSHLDCTL); 1624 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1625 TULIP_GP_EB_INIT, 1626 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1627 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1628 TULIP_GP_EB_INIT, 1629 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1630 |TULIP_CMD_SCRAMBLER); 1631 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1632 TULIP_GP_EB_INIT, 1633 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1634 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1635} 1636 1637static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1638 TULIP_21140_DEC_EB, 1639 tulip_21140_evalboard_media_probe, 1640 tulip_media_select, 1641 tulip_null_media_poll, 1642 tulip_2114x_media_preset, 1643}; 1644 1645static void 1646tulip_21140_accton_media_probe( 1647 tulip_softc_t * const sc) 1648{ 1649 tulip_media_info_t *mip = sc->tulip_mediainfo; 1650 unsigned gpdata; 1651 1652 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1653 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1654 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1655 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1656 TULIP_CSR_WRITE(sc, csr_command, 1657 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1658 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1659 TULIP_CSR_WRITE(sc, csr_command, 1660 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1661 DELAY(1000000); 1662 gpdata = TULIP_CSR_READ(sc, csr_gp); 1663 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1664 sc->tulip_media = TULIP_MEDIA_10BASET; 1665 } else { 1666 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1667 sc->tulip_media = TULIP_MEDIA_BNC; 1668 } else { 1669 sc->tulip_media = TULIP_MEDIA_100BASETX; 1670 } 1671 } 1672 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1673 TULIP_GP_EN1207_BNC_INIT, 1674 TULIP_CMD_TXTHRSHLDCTL); 1675 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1676 TULIP_GP_EN1207_UTP_INIT, 1677 TULIP_CMD_TXTHRSHLDCTL); 1678 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1679 TULIP_GP_EN1207_UTP_INIT, 1680 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1681 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1682 TULIP_GP_EN1207_100_INIT, 1683 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1684 |TULIP_CMD_SCRAMBLER); 1685 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1686 TULIP_GP_EN1207_100_INIT, 1687 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1688 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1689} 1690 1691static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1692 TULIP_21140_EN1207, 1693 tulip_21140_accton_media_probe, 1694 tulip_media_select, 1695 tulip_null_media_poll, 1696 tulip_2114x_media_preset, 1697}; 1698 1699static void 1700tulip_21140_smc9332_media_probe( 1701 tulip_softc_t * const sc) 1702{ 1703 tulip_media_info_t *mip = sc->tulip_mediainfo; 1704 int idx, cnt = 0; 1705 1706 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1707 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1708 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1709 33MHz that comes to two microseconds but wait a 1710 bit longer anyways) */ 1711 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1712 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1713 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1714 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1715 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1716 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1717 DELAY(200000); 1718 for (idx = 1000; idx > 0; idx--) { 1719 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1720 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1721 if (++cnt > 100) 1722 break; 1723 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1724 break; 1725 } else { 1726 cnt = 0; 1727 } 1728 DELAY(1000); 1729 } 1730 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1731 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1732 TULIP_GP_SMC_9332_INIT, 1733 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1734 |TULIP_CMD_SCRAMBLER); 1735 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1736 TULIP_GP_SMC_9332_INIT, 1737 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1738 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1739 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1740 TULIP_GP_SMC_9332_INIT, 1741 TULIP_CMD_TXTHRSHLDCTL); 1742 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1743 TULIP_GP_SMC_9332_INIT, 1744 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1745} 1746 1747static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1748 TULIP_21140_SMC_9332, 1749 tulip_21140_smc9332_media_probe, 1750 tulip_media_select, 1751 tulip_null_media_poll, 1752 tulip_2114x_media_preset, 1753}; 1754 1755static void 1756tulip_21140_cogent_em100_media_probe( 1757 tulip_softc_t * const sc) 1758{ 1759 tulip_media_info_t *mip = sc->tulip_mediainfo; 1760 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1761 1762 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1763 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1764 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1765 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1766 1767 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1768 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1769 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1770 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1771 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1772 1773 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1774 TULIP_GP_EM100_INIT, 1775 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1776 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1777 TULIP_GP_EM100_INIT, 1778 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1779 |TULIP_CMD_FULLDUPLEX); 1780 } else { 1781 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1782 sc->tulip_media = TULIP_MEDIA_100BASETX; 1783 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1784 TULIP_GP_EM100_INIT, 1785 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1786 |TULIP_CMD_SCRAMBLER); 1787 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1788 TULIP_GP_EM100_INIT, 1789 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1790 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1791 } 1792} 1793 1794static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1795 TULIP_21140_COGENT_EM100, 1796 tulip_21140_cogent_em100_media_probe, 1797 tulip_media_select, 1798 tulip_null_media_poll, 1799 tulip_2114x_media_preset 1800}; 1801 1802static void 1803tulip_21140_znyx_zx34x_media_probe( 1804 tulip_softc_t * const sc) 1805{ 1806 tulip_media_info_t *mip = sc->tulip_mediainfo; 1807 int cnt10 = 0, cnt100 = 0, idx; 1808 1809 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1810 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1811 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1812 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1813 TULIP_CSR_WRITE(sc, csr_command, 1814 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1815 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1816 TULIP_CSR_WRITE(sc, csr_command, 1817 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1818 1819 DELAY(200000); 1820 for (idx = 1000; idx > 0; idx--) { 1821 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1822 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)) { 1823 if (++cnt100 > 100) 1824 break; 1825 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1826 if (++cnt10 > 100) 1827 break; 1828 } else { 1829 cnt10 = 0; 1830 cnt100 = 0; 1831 } 1832 DELAY(1000); 1833 } 1834 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1835 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1836 TULIP_GP_ZX34X_INIT, 1837 TULIP_CMD_TXTHRSHLDCTL); 1838 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1839 TULIP_GP_ZX34X_INIT, 1840 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1841 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1842 TULIP_GP_ZX34X_INIT, 1843 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1844 |TULIP_CMD_SCRAMBLER); 1845 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1846 TULIP_GP_ZX34X_INIT, 1847 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1848 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1849} 1850 1851static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1852 TULIP_21140_ZNYX_ZX34X, 1853 tulip_21140_znyx_zx34x_media_probe, 1854 tulip_media_select, 1855 tulip_null_media_poll, 1856 tulip_2114x_media_preset, 1857}; 1858 1859static void 1860tulip_2114x_media_probe( 1861 tulip_softc_t * const sc) 1862{ 1863 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1864 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1865} 1866 1867static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1868 TULIP_21140_ISV, 1869 tulip_2114x_media_probe, 1870 tulip_media_select, 1871 tulip_media_poll, 1872 tulip_2114x_media_preset, 1873}; 1874 1875/* 1876 * ******** END of chip-specific handlers. *********** 1877 */ 1878 1879/* 1880 * Code the read the SROM and MII bit streams (I2C) 1881 */ 1882static void 1883tulip_delay_300ns( 1884 tulip_softc_t * const sc) 1885{ 1886 int idx; 1887 for (idx = (300 / 33) + 1; idx > 0; idx--) 1888 (void) TULIP_CSR_READ(sc, csr_busmode); 1889} 1890 1891#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1892 1893static void 1894tulip_srom_idle( 1895 tulip_softc_t * const sc) 1896{ 1897 unsigned bit, csr; 1898 1899 csr = SROMSEL ; EMIT; 1900 csr = SROMSEL | SROMRD; EMIT; 1901 csr ^= SROMCS; EMIT; 1902 csr ^= SROMCLKON; EMIT; 1903 1904 /* 1905 * Write 25 cycles of 0 which will force the SROM to be idle. 1906 */ 1907 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1908 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1909 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1910 } 1911 csr ^= SROMCLKOFF; EMIT; 1912 csr ^= SROMCS; EMIT; 1913 csr = 0; EMIT; 1914} 1915 1916 1917static void 1918tulip_srom_read( 1919 tulip_softc_t * const sc) 1920{ 1921 unsigned idx; 1922 const unsigned bitwidth = SROM_BITWIDTH; 1923 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1924 const unsigned msb = 1 << (bitwidth + 3 - 1); 1925 unsigned lastidx = (1 << bitwidth) - 1; 1926 1927 tulip_srom_idle(sc); 1928 1929 for (idx = 0; idx <= lastidx; idx++) { 1930 unsigned lastbit, data, bits, bit, csr; 1931 csr = SROMSEL ; EMIT; 1932 csr = SROMSEL | SROMRD; EMIT; 1933 csr ^= SROMCSON; EMIT; 1934 csr ^= SROMCLKON; EMIT; 1935 1936 lastbit = 0; 1937 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1938 const unsigned thisbit = bits & msb; 1939 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1940 if (thisbit != lastbit) { 1941 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1942 } else { 1943 EMIT; 1944 } 1945 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1946 lastbit = thisbit; 1947 } 1948 csr ^= SROMCLKOFF; EMIT; 1949 1950 for (data = 0, bits = 0; bits < 16; bits++) { 1951 data <<= 1; 1952 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1953 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1954 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1955 } 1956 sc->tulip_rombuf[idx*2] = data & 0xFF; 1957 sc->tulip_rombuf[idx*2+1] = data >> 8; 1958 csr = SROMSEL | SROMRD; EMIT; 1959 csr = 0; EMIT; 1960 } 1961 tulip_srom_idle(sc); 1962} 1963 1964#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1965 1966static void 1967tulip_mii_writebits( 1968 tulip_softc_t * const sc, 1969 unsigned data, 1970 unsigned bits) 1971{ 1972 unsigned msb = 1 << (bits - 1); 1973 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1974 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1975 1976 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1977 1978 for (; bits > 0; bits--, data <<= 1) { 1979 const unsigned thisbit = data & msb; 1980 if (thisbit != lastbit) { 1981 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1982 } 1983 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1984 lastbit = thisbit; 1985 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1986 } 1987} 1988 1989static void 1990tulip_mii_turnaround( 1991 tulip_softc_t * const sc, 1992 unsigned cmd) 1993{ 1994 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1995 1996 if (cmd == MII_WRCMD) { 1997 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1998 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1999 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2000 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2001 } else { 2002 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2003 } 2004 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2005 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2006} 2007 2008static unsigned 2009tulip_mii_readbits( 2010 tulip_softc_t * const sc) 2011{ 2012 unsigned data; 2013 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2014 int idx; 2015 2016 for (idx = 0, data = 0; idx < 16; idx++) { 2017 data <<= 1; /* this is NOOP on the first pass through */ 2018 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2019 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2020 data |= 1; 2021 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2022 } 2023 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2024 2025 return data; 2026} 2027 2028static unsigned 2029tulip_mii_readreg( 2030 tulip_softc_t * const sc, 2031 unsigned devaddr, 2032 unsigned regno) 2033{ 2034 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2035 unsigned data; 2036 2037 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2038 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2039 tulip_mii_writebits(sc, MII_RDCMD, 8); 2040 tulip_mii_writebits(sc, devaddr, 5); 2041 tulip_mii_writebits(sc, regno, 5); 2042 tulip_mii_turnaround(sc, MII_RDCMD); 2043 2044 data = tulip_mii_readbits(sc); 2045#if defined(TULIP_DEBUG) 2046 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2047 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2048#endif 2049 return data; 2050} 2051 2052static void 2053tulip_mii_writereg( 2054 tulip_softc_t * const sc, 2055 unsigned devaddr, 2056 unsigned regno, 2057 unsigned data) 2058{ 2059 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2060 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2061 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2062 tulip_mii_writebits(sc, MII_WRCMD, 8); 2063 tulip_mii_writebits(sc, devaddr, 5); 2064 tulip_mii_writebits(sc, regno, 5); 2065 tulip_mii_turnaround(sc, MII_WRCMD); 2066 tulip_mii_writebits(sc, data, 16); 2067#if defined(TULIP_DEBUG) 2068 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2069 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2070#endif 2071} 2072 2073#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2074#define tulip_srom_crcok(databuf) ( \ 2075 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2076 ((databuf)[126] | ((databuf)[127] << 8))) 2077 2078static unsigned 2079tulip_crc32( 2080 const unsigned char *databuf, 2081 size_t datalen) 2082{ 2083 u_int idx, crc = 0xFFFFFFFFUL; 2084 static const u_int crctab[] = { 2085 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2086 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2087 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2088 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2089 }; 2090 2091 for (idx = 0; idx < datalen; idx++) { 2092 crc ^= *databuf++; 2093 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2094 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2095 } 2096 return crc; 2097} 2098 2099static void 2100tulip_identify_dec_nic( 2101 tulip_softc_t * const sc) 2102{ 2103 strcpy(sc->tulip_boardid, "DEC "); 2104#define D0 4 2105 if (sc->tulip_chipid <= TULIP_DE425) 2106 return; 2107 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2108 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2109 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2110 sc->tulip_boardid[D0+8] = ' '; 2111 } 2112#undef D0 2113} 2114 2115static void 2116tulip_identify_znyx_nic( 2117 tulip_softc_t * const sc) 2118{ 2119 unsigned id = 0; 2120 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2121 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2122 unsigned znyx_ptr; 2123 sc->tulip_boardid[8] = '4'; 2124 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2125 if (znyx_ptr < 26 || znyx_ptr > 116) { 2126 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2127 return; 2128 } 2129 /* ZX344 = 0010 .. 0013FF 2130 */ 2131 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2132 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2133 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2134 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2135 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2136 sc->tulip_boardid[9] = '2'; 2137 if (id == TULIP_ZNYX_ID_ZX342B) { 2138 sc->tulip_boardid[10] = 'B'; 2139 sc->tulip_boardid[11] = ' '; 2140 } 2141 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2142 } else if (id == TULIP_ZNYX_ID_ZX344) { 2143 sc->tulip_boardid[10] = '4'; 2144 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2145 } else if (id == TULIP_ZNYX_ID_ZX345) { 2146 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2147 } else if (id == TULIP_ZNYX_ID_ZX346) { 2148 sc->tulip_boardid[9] = '6'; 2149 } else if (id == TULIP_ZNYX_ID_ZX351) { 2150 sc->tulip_boardid[8] = '5'; 2151 sc->tulip_boardid[9] = '1'; 2152 } 2153 } 2154 if (id == 0) { 2155 /* 2156 * Assume it's a ZX342... 2157 */ 2158 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2159 } 2160 return; 2161 } 2162 sc->tulip_boardid[8] = '1'; 2163 if (sc->tulip_chipid == TULIP_21041) { 2164 sc->tulip_boardid[10] = '1'; 2165 return; 2166 } 2167 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2168 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2169 if (id == TULIP_ZNYX_ID_ZX312T) { 2170 sc->tulip_boardid[9] = '2'; 2171 sc->tulip_boardid[10] = 'T'; 2172 sc->tulip_boardid[11] = ' '; 2173 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2174 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2175 sc->tulip_boardid[9] = '4'; 2176 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2177 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2178 } else if (id == TULIP_ZNYX_ID_ZX314) { 2179 sc->tulip_boardid[9] = '4'; 2180 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2181 sc->tulip_features |= TULIP_HAVE_BASEROM; 2182 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2183 sc->tulip_boardid[9] = '5'; 2184 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2185 } else if (id == TULIP_ZNYX_ID_ZX315) { 2186 sc->tulip_boardid[9] = '5'; 2187 sc->tulip_features |= TULIP_HAVE_BASEROM; 2188 } else { 2189 id = 0; 2190 } 2191 } 2192 if (id == 0) { 2193 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2194 sc->tulip_boardid[9] = '4'; 2195 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2196 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2197 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2198 sc->tulip_boardid[9] = '5'; 2199 sc->tulip_boardsw = &tulip_21040_boardsw; 2200 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2201 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2202 sc->tulip_boardid[9] = '2'; 2203 sc->tulip_boardsw = &tulip_21040_boardsw; 2204 } 2205 } 2206} 2207 2208static void 2209tulip_identify_smc_nic( 2210 tulip_softc_t * const sc) 2211{ 2212 u_int32_t id1, id2, ei; 2213 int auibnc = 0, utp = 0; 2214 char *cp; 2215 2216 strcpy(sc->tulip_boardid, "SMC "); 2217 if (sc->tulip_chipid == TULIP_21041) 2218 return; 2219 if (sc->tulip_chipid != TULIP_21040) { 2220 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2221 strcpy(&sc->tulip_boardid[4], "9332DST "); 2222 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2223 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2224 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2225 } else { 2226 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2227 } 2228 return; 2229 } 2230 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2231 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2232 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2233 2234 strcpy(&sc->tulip_boardid[4], "8432"); 2235 cp = &sc->tulip_boardid[8]; 2236 if ((id1 & 1) == 0) 2237 *cp++ = 'B', auibnc = 1; 2238 if ((id1 & 0xFF) > 0x32) 2239 *cp++ = 'T', utp = 1; 2240 if ((id1 & 0x4000) == 0) 2241 *cp++ = 'A', auibnc = 1; 2242 if (id2 == 0x15) { 2243 sc->tulip_boardid[7] = '4'; 2244 *cp++ = '-'; 2245 *cp++ = 'C'; 2246 *cp++ = 'H'; 2247 *cp++ = (ei ? '2' : '1'); 2248 } 2249 *cp++ = ' '; 2250 *cp = '\0'; 2251 if (utp && !auibnc) 2252 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2253 else if (!utp && auibnc) 2254 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2255} 2256 2257static void 2258tulip_identify_cogent_nic( 2259 tulip_softc_t * const sc) 2260{ 2261 strcpy(sc->tulip_boardid, "Cogent "); 2262 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2263 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2264 strcat(sc->tulip_boardid, "EM100TX "); 2265 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2266#if defined(TULIP_COGENT_EM110TX_ID) 2267 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2268 strcat(sc->tulip_boardid, "EM110TX "); 2269 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2270#endif 2271 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2272 strcat(sc->tulip_boardid, "EM100FX "); 2273 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2274 } 2275 /* 2276 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2277 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2278 */ 2279 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2280 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2281 /* 2282 * Cogent (Adaptec) is still mapping all INTs to INTA of 2283 * first 21140. Dumb! Dumb! 2284 */ 2285 strcat(sc->tulip_boardid, "EM440TX "); 2286 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2287 } 2288 } else if (sc->tulip_chipid == TULIP_21040) { 2289 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2290 } 2291} 2292 2293static void 2294tulip_identify_accton_nic( 2295 tulip_softc_t * const sc) 2296{ 2297 strcpy(sc->tulip_boardid, "ACCTON "); 2298 switch (sc->tulip_chipid) { 2299 case TULIP_21140A: 2300 strcat(sc->tulip_boardid, "EN1207 "); 2301 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2302 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2303 break; 2304 case TULIP_21140: 2305 strcat(sc->tulip_boardid, "EN1207TX "); 2306 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2307 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2308 break; 2309 case TULIP_21040: 2310 strcat(sc->tulip_boardid, "EN1203 "); 2311 sc->tulip_boardsw = &tulip_21040_boardsw; 2312 break; 2313 case TULIP_21041: 2314 strcat(sc->tulip_boardid, "EN1203 "); 2315 sc->tulip_boardsw = &tulip_21041_boardsw; 2316 break; 2317 default: 2318 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2319 break; 2320 } 2321} 2322 2323static void 2324tulip_identify_asante_nic( 2325 tulip_softc_t * const sc) 2326{ 2327 strcpy(sc->tulip_boardid, "Asante "); 2328 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2329 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2330 tulip_media_info_t *mi = sc->tulip_mediainfo; 2331 int idx; 2332 /* 2333 * The Asante Fast Ethernet doesn't always ship with a valid 2334 * new format SROM. So if isn't in the new format, we cheat 2335 * set it up as if we had. 2336 */ 2337 2338 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2339 sc->tulip_gpdata = 0; 2340 2341 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2342 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2343 DELAY(100); 2344 TULIP_CSR_WRITE(sc, csr_gp, 0); 2345 2346 mi->mi_type = TULIP_MEDIAINFO_MII; 2347 mi->mi_gpr_length = 0; 2348 mi->mi_gpr_offset = 0; 2349 mi->mi_reset_length = 0; 2350 mi->mi_reset_offset = 0;; 2351 2352 mi->mi_phyaddr = TULIP_MII_NOPHY; 2353 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2354 DELAY(10000); 2355 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2356 } 2357 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2358 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2359 return; 2360 } 2361 2362 sc->tulip_features |= TULIP_HAVE_MII; 2363 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2364 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2365 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2366 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2367 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2368 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2369 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2370 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2371 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2372 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2373 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2374 2375 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2376 } 2377} 2378 2379static void 2380tulip_identify_compex_nic( 2381 tulip_softc_t * const sc) 2382{ 2383 strcpy(sc->tulip_boardid, "COMPEX "); 2384 if (sc->tulip_chipid == TULIP_21140A) { 2385 int root_unit; 2386 tulip_softc_t *root_sc = NULL; 2387 2388 strcat(sc->tulip_boardid, "400TX/PCI "); 2389 /* 2390 * All 4 chips on these boards share an interrupt. This code 2391 * copied from tulip_read_macaddr. 2392 */ 2393 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2394 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2395 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2396 if (root_sc == NULL 2397 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2398 break; 2399 root_sc = NULL; 2400 } 2401 if (root_sc != NULL 2402 && root_sc->tulip_chipid == sc->tulip_chipid 2403 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2404 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2405 sc->tulip_slaves = root_sc->tulip_slaves; 2406 root_sc->tulip_slaves = sc; 2407 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2408 printf("\nCannot find master device for de%d interrupts", 2409 sc->tulip_unit); 2410 } 2411 } else { 2412 strcat(sc->tulip_boardid, "unknown "); 2413 } 2414 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2415 return; 2416} 2417 2418static int 2419tulip_srom_decode( 2420 tulip_softc_t * const sc) 2421{ 2422 unsigned idx1, idx2, idx3; 2423 2424 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2425 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2426 tulip_srom_media_t srom_media; 2427 tulip_media_info_t *mi = sc->tulip_mediainfo; 2428 const u_int8_t *dp; 2429 u_int32_t leaf_offset, blocks, data; 2430 2431 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2432 if (shp->sh_adapter_count == 1) 2433 break; 2434 if (saip->sai_device == sc->tulip_pci_devno) 2435 break; 2436 } 2437 /* 2438 * Didn't find the right media block for this card. 2439 */ 2440 if (idx1 == shp->sh_adapter_count) 2441 return 0; 2442 2443 /* 2444 * Save the hardware address. 2445 */ 2446 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2447 /* 2448 * If this is a multiple port card, add the adapter index to the last 2449 * byte of the hardware address. (if it isn't multiport, adding 0 2450 * won't hurt. 2451 */ 2452 sc->tulip_enaddr[5] += idx1; 2453 2454 leaf_offset = saip->sai_leaf_offset_lowbyte 2455 + saip->sai_leaf_offset_highbyte * 256; 2456 dp = sc->tulip_rombuf + leaf_offset; 2457 2458 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2459 2460 for (idx2 = 0;; idx2++) { 2461 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2462 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2463 break; 2464 } 2465 sc->tulip_connidx = idx2; 2466 2467 if (sc->tulip_chipid == TULIP_21041) { 2468 blocks = *dp++; 2469 for (idx2 = 0; idx2 < blocks; idx2++) { 2470 tulip_media_t media; 2471 data = *dp++; 2472 srom_media = (tulip_srom_media_t) (data & 0x3F); 2473 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2474 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2475 break; 2476 } 2477 media = tulip_srom_mediums[idx3].sm_type; 2478 if (media != TULIP_MEDIA_UNKNOWN) { 2479 if (data & TULIP_SROM_21041_EXTENDED) { 2480 mi->mi_type = TULIP_MEDIAINFO_SIA; 2481 sc->tulip_mediums[media] = mi; 2482 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2483 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2484 mi->mi_sia_general = dp[4] + dp[5] * 256; 2485 mi++; 2486 } else { 2487 switch (media) { 2488 case TULIP_MEDIA_BNC: { 2489 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2490 mi++; 2491 break; 2492 } 2493 case TULIP_MEDIA_AUI: { 2494 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2495 mi++; 2496 break; 2497 } 2498 case TULIP_MEDIA_10BASET: { 2499 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2500 mi++; 2501 break; 2502 } 2503 case TULIP_MEDIA_10BASET_FD: { 2504 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2505 mi++; 2506 break; 2507 } 2508 default: { 2509 break; 2510 } 2511 } 2512 } 2513 } 2514 if (data & TULIP_SROM_21041_EXTENDED) 2515 dp += 6; 2516 } 2517#ifdef notdef 2518 if (blocks == 0) { 2519 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2520 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2521 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2522 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2523 } 2524#endif 2525 } else { 2526 unsigned length, type; 2527 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2528 if (sc->tulip_features & TULIP_HAVE_GPR) 2529 sc->tulip_gpinit = *dp++; 2530 blocks = *dp++; 2531 for (idx2 = 0; idx2 < blocks; idx2++) { 2532 const u_int8_t *ep; 2533 if ((*dp & 0x80) == 0) { 2534 length = 4; 2535 type = 0; 2536 } else { 2537 length = (*dp++ & 0x7f) - 1; 2538 type = *dp++ & 0x3f; 2539 } 2540 ep = dp + length; 2541 switch (type & 0x3f) { 2542 case 0: { /* 21140[A] GPR block */ 2543 tulip_media_t media; 2544 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2545 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2546 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2547 break; 2548 } 2549 media = tulip_srom_mediums[idx3].sm_type; 2550 if (media == TULIP_MEDIA_UNKNOWN) 2551 break; 2552 mi->mi_type = TULIP_MEDIAINFO_GPR; 2553 sc->tulip_mediums[media] = mi; 2554 mi->mi_gpdata = dp[1]; 2555 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2556 sc->tulip_gpdata = mi->mi_gpdata; 2557 gp_media = media; 2558 } 2559 data = dp[2] + dp[3] * 256; 2560 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2561 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2562 mi->mi_actmask = 0; 2563 } else { 2564#if 0 2565 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2566#endif 2567 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2568 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2569 } 2570 mi++; 2571 break; 2572 } 2573 case 1: { /* 21140[A] MII block */ 2574 const unsigned phyno = *dp++; 2575 mi->mi_type = TULIP_MEDIAINFO_MII; 2576 mi->mi_gpr_length = *dp++; 2577 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2578 dp += mi->mi_gpr_length; 2579 mi->mi_reset_length = *dp++; 2580 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2581 dp += mi->mi_reset_length; 2582 2583 /* 2584 * Before we probe for a PHY, use the GPR information 2585 * to select it. If we don't, it may be inaccessible. 2586 */ 2587 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2588 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2589 DELAY(10); 2590 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2591 } 2592 sc->tulip_phyaddr = mi->mi_phyaddr; 2593 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2594 DELAY(10); 2595 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2596 } 2597 2598 /* 2599 * At least write something! 2600 */ 2601 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2602 TULIP_CSR_WRITE(sc, csr_gp, 0); 2603 2604 mi->mi_phyaddr = TULIP_MII_NOPHY; 2605 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2606 DELAY(10000); 2607 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2608 } 2609 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2610#if defined(TULIP_DEBUG) 2611 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2612 TULIP_PRINTF_ARGS, phyno); 2613#endif 2614 break; 2615 } 2616 sc->tulip_features |= TULIP_HAVE_MII; 2617 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2618 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2619 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2620 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2621 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2622 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2623 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2624 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2625 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2626 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2627 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2628 mi++; 2629 break; 2630 } 2631 case 2: { /* 2114[23] SIA block */ 2632 tulip_media_t media; 2633 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2634 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2635 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2636 break; 2637 } 2638 media = tulip_srom_mediums[idx3].sm_type; 2639 if (media == TULIP_MEDIA_UNKNOWN) 2640 break; 2641 mi->mi_type = TULIP_MEDIAINFO_SIA; 2642 sc->tulip_mediums[media] = mi; 2643 if (dp[0] & 0x40) { 2644 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2645 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2646 mi->mi_sia_general = dp[5] + dp[6] * 256; 2647 dp += 6; 2648 } else { 2649 switch (media) { 2650 case TULIP_MEDIA_BNC: { 2651 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2652 break; 2653 } 2654 case TULIP_MEDIA_AUI: { 2655 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2656 break; 2657 } 2658 case TULIP_MEDIA_10BASET: { 2659 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2660 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2661 break; 2662 } 2663 case TULIP_MEDIA_10BASET_FD: { 2664 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2665 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2666 break; 2667 } 2668 default: { 2669 goto bad_media; 2670 } 2671 } 2672 } 2673 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2674 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2675 mi++; 2676 bad_media: 2677 break; 2678 } 2679 case 3: { /* 2114[23] MII PHY block */ 2680 const unsigned phyno = *dp++; 2681 const u_int8_t *dp0; 2682 mi->mi_type = TULIP_MEDIAINFO_MII; 2683 mi->mi_gpr_length = *dp++; 2684 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2685 dp += 2 * mi->mi_gpr_length; 2686 mi->mi_reset_length = *dp++; 2687 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2688 dp += 2 * mi->mi_reset_length; 2689 2690 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2691 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2692 DELAY(10); 2693 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2694 } 2695 sc->tulip_phyaddr = mi->mi_phyaddr; 2696 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2697 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2698 DELAY(10); 2699 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2700 } 2701 2702 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2703 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2704 2705 mi->mi_phyaddr = TULIP_MII_NOPHY; 2706 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2707 DELAY(10000); 2708 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2709 } 2710 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2711#if defined(TULIP_DEBUG) 2712 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2713 TULIP_PRINTF_ARGS, phyno); 2714#endif 2715 break; 2716 } 2717 sc->tulip_features |= TULIP_HAVE_MII; 2718 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2719 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2720 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2721 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2722 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2723 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2724 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2725 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2726 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2727 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2728 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2729 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2730 mi++; 2731 break; 2732 } 2733 case 4: { /* 21143 SYM block */ 2734 tulip_media_t media; 2735 srom_media = (tulip_srom_media_t) dp[0]; 2736 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2737 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2738 break; 2739 } 2740 media = tulip_srom_mediums[idx3].sm_type; 2741 if (media == TULIP_MEDIA_UNKNOWN) 2742 break; 2743 mi->mi_type = TULIP_MEDIAINFO_SYM; 2744 sc->tulip_mediums[media] = mi; 2745 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2746 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2747 data = dp[5] + dp[6] * 256; 2748 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2749 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2750 mi->mi_actmask = 0; 2751 } else { 2752 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2753 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2754 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2755 } 2756 if (TULIP_IS_MEDIA_TP(media)) 2757 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2758 mi++; 2759 break; 2760 } 2761#if 0 2762 case 5: { /* 21143 Reset block */ 2763 mi->mi_type = TULIP_MEDIAINFO_RESET; 2764 mi->mi_reset_length = *dp++; 2765 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2766 dp += 2 * mi->mi_reset_length; 2767 mi++; 2768 break; 2769 } 2770#endif 2771 default: { 2772 } 2773 } 2774 dp = ep; 2775 } 2776 } 2777 return mi - sc->tulip_mediainfo; 2778} 2779 2780static const struct { 2781 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2782 unsigned char vendor_oui[3]; 2783} tulip_vendors[] = { 2784 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2785 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2786 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2787 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2788 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2789 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2790 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2791 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2792 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2793 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2794 { NULL } 2795}; 2796 2797/* 2798 * This deals with the vagaries of the address roms and the 2799 * brain-deadness that various vendors commit in using them. 2800 */ 2801static int 2802tulip_read_macaddr( 2803 tulip_softc_t * const sc) 2804{ 2805 unsigned cksum, rom_cksum, idx; 2806 u_int32_t csr; 2807 unsigned char tmpbuf[8]; 2808 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2809 2810 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2811 2812 if (sc->tulip_chipid == TULIP_21040) { 2813 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2814 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2815 int cnt = 0; 2816 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2817 cnt++; 2818 sc->tulip_rombuf[idx] = csr & 0xFF; 2819 } 2820 sc->tulip_boardsw = &tulip_21040_boardsw; 2821#if defined(TULIP_EISA) 2822 } else if (sc->tulip_chipid == TULIP_DE425) { 2823 int cnt; 2824 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2825 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2826 if (tmpbuf[idx] == testpat[idx]) 2827 ++idx; 2828 else 2829 idx = 0; 2830 } 2831 for (idx = 0; idx < 32; idx++) 2832 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2833 sc->tulip_boardsw = &tulip_21040_boardsw; 2834#endif /* TULIP_EISA */ 2835 } else { 2836 if (sc->tulip_chipid == TULIP_21041) { 2837 /* 2838 * Thankfully all 21041's act the same. 2839 */ 2840 sc->tulip_boardsw = &tulip_21041_boardsw; 2841 } else { 2842 /* 2843 * Assume all 21140 board are compatible with the 2844 * DEC 10/100 evaluation board. Not really valid but 2845 * it's the best we can do until every one switches to 2846 * the new SROM format. 2847 */ 2848 2849 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2850 } 2851 tulip_srom_read(sc); 2852 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2853 /* 2854 * SROM CRC is valid therefore it must be in the 2855 * new format. 2856 */ 2857 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2858 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2859 /* 2860 * No checksum is present. See if the SROM id checks out; 2861 * the first 18 bytes should be 0 followed by a 1 followed 2862 * by the number of adapters (which we don't deal with yet). 2863 */ 2864 for (idx = 0; idx < 18; idx++) { 2865 if (sc->tulip_rombuf[idx] != 0) 2866 break; 2867 } 2868 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2869 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2870 } else if (sc->tulip_chipid >= TULIP_21142) { 2871 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2872 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2873 } 2874 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2875 if (sc->tulip_chipid != TULIP_21041) 2876 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2877 2878 /* 2879 * If the SROM specifies more than one adapter, tag this as a 2880 * BASE rom. 2881 */ 2882 if (sc->tulip_rombuf[19] > 1) 2883 sc->tulip_features |= TULIP_HAVE_BASEROM; 2884 if (sc->tulip_boardsw == NULL) 2885 return -6; 2886 goto check_oui; 2887 } 2888 } 2889 2890 2891 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2892 /* 2893 * Some folks don't use the standard ethernet rom format 2894 * but instead just put the address in the first 6 bytes 2895 * of the rom and let the rest be all 0xffs. (Can we say 2896 * ZNYX?) (well sometimes they put in a checksum so we'll 2897 * start at 8). 2898 */ 2899 for (idx = 8; idx < 32; idx++) { 2900 if (sc->tulip_rombuf[idx] != 0xFF) 2901 return -4; 2902 } 2903 /* 2904 * Make sure the address is not multicast or locally assigned 2905 * that the OUI is not 00-00-00. 2906 */ 2907 if ((sc->tulip_rombuf[0] & 3) != 0) 2908 return -4; 2909 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2910 && sc->tulip_rombuf[2] == 0) 2911 return -4; 2912 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2913 sc->tulip_features |= TULIP_HAVE_OKROM; 2914 goto check_oui; 2915 } else { 2916 /* 2917 * A number of makers of multiport boards (ZNYX and Cogent) 2918 * only put on one address ROM on their 21040 boards. So 2919 * if the ROM is all zeros (or all 0xFFs), look at the 2920 * previous configured boards (as long as they are on the same 2921 * PCI bus and the bus number is non-zero) until we find the 2922 * master board with address ROM. We then use its address ROM 2923 * as the base for this board. (we add our relative board 2924 * to the last byte of its address). 2925 */ 2926 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2927 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2928 break; 2929 } 2930 if (idx == sizeof(sc->tulip_rombuf)) { 2931 int root_unit; 2932 tulip_softc_t *root_sc = NULL; 2933 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2934 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2935 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2936 break; 2937 root_sc = NULL; 2938 } 2939 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2940 && root_sc->tulip_chipid == sc->tulip_chipid 2941 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2942 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2943 sc->tulip_boardsw = root_sc->tulip_boardsw; 2944 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2945 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2946 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2947 sizeof(sc->tulip_rombuf)); 2948 if (!tulip_srom_decode(sc)) 2949 return -5; 2950 } else { 2951 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2952 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2953 } 2954 /* 2955 * Now for a truly disgusting kludge: all 4 21040s on 2956 * the ZX314 share the same INTA line so the mapping 2957 * setup by the BIOS on the PCI bridge is worthless. 2958 * Rather than reprogramming the value in the config 2959 * register, we will handle this internally. 2960 */ 2961 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2962 sc->tulip_slaves = root_sc->tulip_slaves; 2963 root_sc->tulip_slaves = sc; 2964 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2965 } 2966 return 0; 2967 } 2968 } 2969 } 2970 2971 /* 2972 * This is the standard DEC address ROM test. 2973 */ 2974 2975 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2976 return -3; 2977 2978 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2979 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2980 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2981 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2982 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2983 return -2; 2984 2985 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2986 2987 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2988 cksum *= 2; 2989 if (cksum > 65535) cksum -= 65535; 2990 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2991 if (cksum > 65535) cksum -= 65535; 2992 cksum *= 2; 2993 if (cksum > 65535) cksum -= 65535; 2994 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2995 if (cksum >= 65535) cksum -= 65535; 2996 2997 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2998 2999 if (cksum != rom_cksum) 3000 return -1; 3001 3002 check_oui: 3003 /* 3004 * Check for various boards based on OUI. Did I say braindead? 3005 */ 3006 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 3007 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 3008 (*tulip_vendors[idx].vendor_identify_nic)(sc); 3009 break; 3010 } 3011 } 3012 3013 sc->tulip_features |= TULIP_HAVE_OKROM; 3014 return 0; 3015} 3016 3017#if defined(IFM_ETHER) 3018static void 3019tulip_ifmedia_add( 3020 tulip_softc_t * const sc) 3021{ 3022 tulip_media_t media; 3023 int medias = 0; 3024 3025 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3026 if (sc->tulip_mediums[media] != NULL) { 3027 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 3028 0, 0); 3029 medias++; 3030 } 3031 } 3032 if (medias == 0) { 3033 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3034 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3035 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3036 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3037 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3038 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3039 } else { 3040 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3041 sc->tulip_flags |= TULIP_PRINTMEDIA; 3042 tulip_linkup(sc, sc->tulip_media); 3043 } 3044} 3045 3046static int 3047tulip_ifmedia_change( 3048 struct ifnet * const ifp) 3049{ 3050 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3051 3052 sc->tulip_flags |= TULIP_NEEDRESET; 3053 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3054 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3055 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3056 tulip_media_t media; 3057 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3058 if (sc->tulip_mediums[media] != NULL 3059 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3060 sc->tulip_flags |= TULIP_PRINTMEDIA; 3061 sc->tulip_flags &= ~TULIP_DIDNWAY; 3062 tulip_linkup(sc, media); 3063 return 0; 3064 } 3065 } 3066 } 3067 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3068 tulip_reset(sc); 3069 tulip_init(sc); 3070 return 0; 3071} 3072 3073/* 3074 * Media status callback 3075 */ 3076static void 3077tulip_ifmedia_status( 3078 struct ifnet * const ifp, 3079 struct ifmediareq *req) 3080{ 3081 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3082 3083#if defined(__bsdi__) 3084 if (sc->tulip_mii.mii_instance != 0) { 3085 mii_pollstat(&sc->tulip_mii); 3086 req->ifm_active = sc->tulip_mii.mii_media_active; 3087 req->ifm_status = sc->tulip_mii.mii_media_status; 3088 return; 3089 } 3090#endif 3091 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3092 return; 3093 3094 req->ifm_status = IFM_AVALID; 3095 if (sc->tulip_flags & TULIP_LINKUP) 3096 req->ifm_status |= IFM_ACTIVE; 3097 3098 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3099} 3100#endif 3101 3102static void 3103tulip_addr_filter( 3104 tulip_softc_t * const sc) 3105{ 3106#if defined(__FreeBSD__) 3107 struct ifmultiaddr *ifma; 3108 u_char *addrp; 3109#else 3110 struct ether_multistep step; 3111 struct ether_multi *enm; 3112#endif 3113 int multicnt; 3114 3115 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3116 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3117 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3118 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3119#if defined(IFF_ALLMULTI) 3120 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3121 sc->tulip_flags |= TULIP_ALLMULTI ; 3122#endif 3123 3124#if defined(__FreeBSD__) 3125 multicnt = 0; 3126 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3127 ifma = ifma->ifma_link.le_next) { 3128 3129 if (ifma->ifma_addr->sa_family == AF_LINK) 3130 multicnt++; 3131 } 3132#else 3133 multicnt = sc->tulip_multicnt; 3134#endif 3135 3136 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3137 if (multicnt > 14) { 3138 u_int32_t *sp = sc->tulip_setupdata; 3139 unsigned hash; 3140 /* 3141 * Some early passes of the 21140 have broken implementations of 3142 * hash-perfect mode. When we get too many multicasts for perfect 3143 * filtering with these chips, we need to switch into hash-only 3144 * mode (this is better than all-multicast on network with lots 3145 * of multicast traffic). 3146 */ 3147 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3148 sc->tulip_flags |= TULIP_WANTHASHONLY; 3149 else 3150 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3151 /* 3152 * If we have more than 14 multicasts, we have 3153 * go into hash perfect mode (512 bit multicast 3154 * hash and one perfect hardware). 3155 */ 3156 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3157 3158#if defined(__FreeBSD__) 3159 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3160 ifma = ifma->ifma_link.le_next) { 3161 3162 if (ifma->ifma_addr->sa_family != AF_LINK) 3163 continue; 3164 3165 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3166 sp[hash >> 4] |= 1 << (hash & 0xF); 3167 } 3168#else 3169 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3170 while (enm != NULL) { 3171 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3172 hash = tulip_mchash(enm->enm_addrlo); 3173#if BYTE_ORDER == BIG_ENDIAN 3174 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3175#else 3176 sp[hash >> 4] |= 1 << (hash & 0xF); 3177#endif 3178 } else { 3179 sc->tulip_flags |= TULIP_ALLMULTI; 3180 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3181 break; 3182 } 3183 ETHER_NEXT_MULTI(step, enm); 3184 } 3185#endif 3186 /* 3187 * No reason to use a hash if we are going to be 3188 * receiving every multicast. 3189 */ 3190 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3191 hash = tulip_mchash(etherbroadcastaddr); 3192#if BYTE_ORDER == BIG_ENDIAN 3193 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3194#else 3195 sp[hash >> 4] |= 1 << (hash & 0xF); 3196#endif 3197 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3198 hash = tulip_mchash(sc->tulip_enaddr); 3199#if BYTE_ORDER == BIG_ENDIAN 3200 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3201#else 3202 sp[hash >> 4] |= 1 << (hash & 0xF); 3203#endif 3204 } else { 3205#if BYTE_ORDER == BIG_ENDIAN 3206 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3207 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3208 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3209#else 3210 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3211 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3212 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3213#endif 3214 } 3215 } 3216 } 3217 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3218 u_int32_t *sp = sc->tulip_setupdata; 3219 int idx = 0; 3220 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3221 /* 3222 * Else can get perfect filtering for 16 addresses. 3223 */ 3224#if defined(__FreeBSD__) 3225 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3226 ifma = ifma->ifma_link.le_next) { 3227 if (ifma->ifma_addr->sa_family != AF_LINK) 3228 continue; 3229 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3230 *sp++ = ((u_int16_t *) addrp)[0]; 3231 *sp++ = ((u_int16_t *) addrp)[1]; 3232 *sp++ = ((u_int16_t *) addrp)[2]; 3233 idx++; 3234 } 3235#else 3236 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3237 for (; enm != NULL; idx++) { 3238 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3239#if BYTE_ORDER == BIG_ENDIAN 3240 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 3241 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 3242 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 3243#else 3244 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 3245 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 3246 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 3247#endif 3248 } else { 3249 sc->tulip_flags |= TULIP_ALLMULTI; 3250 break; 3251 } 3252 ETHER_NEXT_MULTI(step, enm); 3253 } 3254#endif 3255 /* 3256 * Add the broadcast address. 3257 */ 3258 idx++; 3259#if BYTE_ORDER == BIG_ENDIAN 3260 *sp++ = 0xFFFF << 16; 3261 *sp++ = 0xFFFF << 16; 3262 *sp++ = 0xFFFF << 16; 3263#else 3264 *sp++ = 0xFFFF; 3265 *sp++ = 0xFFFF; 3266 *sp++ = 0xFFFF; 3267#endif 3268 } 3269 /* 3270 * Pad the rest with our hardware address 3271 */ 3272 for (; idx < 16; idx++) { 3273#if BYTE_ORDER == BIG_ENDIAN 3274 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3275 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3276 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3277#else 3278 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3279 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3280 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3281#endif 3282 } 3283 } 3284#if defined(IFF_ALLMULTI) 3285 if (sc->tulip_flags & TULIP_ALLMULTI) 3286 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3287#endif 3288} 3289 3290static void 3291tulip_reset( 3292 tulip_softc_t * const sc) 3293{ 3294 tulip_ringinfo_t *ri; 3295 tulip_desc_t *di; 3296 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3297 3298 /* 3299 * Brilliant. Simply brilliant. When switching modes/speeds 3300 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3301 * bits in CSR6 and then do a software reset to get the 21140 3302 * to properly reset its internal pathways to the right places. 3303 * Grrrr. 3304 */ 3305 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3306 && sc->tulip_boardsw->bd_media_preset != NULL) 3307 (*sc->tulip_boardsw->bd_media_preset)(sc); 3308 3309 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3310 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3311 33MHz that comes to two microseconds but wait a 3312 bit longer anyways) */ 3313 3314 if (!inreset) { 3315 sc->tulip_flags |= TULIP_INRESET; 3316 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3317 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3318 sc->tulip_if.if_start = tulip_ifstart; 3319 } 3320 3321#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3322 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3323#else 3324 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3325#endif 3326#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3327 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3328#else 3329 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3330#endif 3331 TULIP_CSR_WRITE(sc, csr_busmode, 3332 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3333 |TULIP_BUSMODE_CACHE_ALIGN8 3334 |TULIP_BUSMODE_READMULTIPLE 3335 |(BYTE_ORDER != LITTLE_ENDIAN ? 3336 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3337 3338 sc->tulip_txtimer = 0; 3339 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3340 /* 3341 * Free all the mbufs that were on the transmit ring. 3342 */ 3343 for (;;) { 3344#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3345 bus_dmamap_t map; 3346#endif 3347 struct mbuf *m; 3348 IF_DEQUEUE(&sc->tulip_txq, m); 3349 if (m == NULL) 3350 break; 3351#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3352 map = M_GETCTX(m, bus_dmamap_t); 3353 bus_dmamap_unload(sc->tulip_dmatag, map); 3354 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3355#endif 3356 m_freem(m); 3357 } 3358 3359 ri = &sc->tulip_txinfo; 3360 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3361 ri->ri_free = ri->ri_max; 3362 for (di = ri->ri_first; di < ri->ri_last; di++) 3363 di->d_status = 0; 3364#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3365 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3366 0, sc->tulip_txdescmap->dm_mapsize, 3367 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3368#endif 3369 3370 /* 3371 * We need to collect all the mbufs were on the 3372 * receive ring before we reinit it either to put 3373 * them back on or to know if we have to allocate 3374 * more. 3375 */ 3376 ri = &sc->tulip_rxinfo; 3377 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3378 ri->ri_free = ri->ri_max; 3379 for (di = ri->ri_first; di < ri->ri_last; di++) { 3380 di->d_status = 0; 3381 di->d_length1 = 0; di->d_addr1 = 0; 3382 di->d_length2 = 0; di->d_addr2 = 0; 3383 } 3384#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3385 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3386 0, sc->tulip_rxdescmap->dm_mapsize, 3387 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3388#endif 3389 for (;;) { 3390#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3391 bus_dmamap_t map; 3392#endif 3393 struct mbuf *m; 3394 IF_DEQUEUE(&sc->tulip_rxq, m); 3395 if (m == NULL) 3396 break; 3397#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3398 map = M_GETCTX(m, bus_dmamap_t); 3399 bus_dmamap_unload(sc->tulip_dmatag, map); 3400 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3401#endif 3402 m_freem(m); 3403 } 3404 3405 /* 3406 * If tulip_reset is being called recurisvely, exit quickly knowing 3407 * that when the outer tulip_reset returns all the right stuff will 3408 * have happened. 3409 */ 3410 if (inreset) 3411 return; 3412 3413 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3414 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3415 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3416 |TULIP_STS_RXSTOPPED; 3417 3418 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3419 (*sc->tulip_boardsw->bd_media_select)(sc); 3420#if defined(TULIP_DEBUG) 3421 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3422 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3423 TULIP_PRINTF_ARGS); 3424#endif 3425 tulip_media_print(sc); 3426 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3427 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3428 3429 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3430 |TULIP_RXACT); 3431 tulip_addr_filter(sc); 3432} 3433 3434static void 3435tulip_init( 3436 tulip_softc_t * const sc) 3437{ 3438 if (sc->tulip_if.if_flags & IFF_UP) { 3439 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3440 /* initialize the media */ 3441 tulip_reset(sc); 3442 } 3443 sc->tulip_if.if_flags |= IFF_RUNNING; 3444 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3445 sc->tulip_flags |= TULIP_PROMISC; 3446 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3447 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3448 } else { 3449 sc->tulip_flags &= ~TULIP_PROMISC; 3450 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3451 if (sc->tulip_flags & TULIP_ALLMULTI) { 3452 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3453 } else { 3454 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3455 } 3456 } 3457 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3458 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3459 tulip_rx_intr(sc); 3460 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3461 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3462 } else { 3463 sc->tulip_if.if_flags |= IFF_OACTIVE; 3464 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3465 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3466 } 3467 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3468 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3469 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3470 tulip_txput_setup(sc); 3471 } else { 3472 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3473 tulip_reset(sc); 3474 } 3475} 3476 3477static void 3478tulip_rx_intr( 3479 tulip_softc_t * const sc) 3480{ 3481 TULIP_PERFSTART(rxintr) 3482 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3483 struct ifnet * const ifp = &sc->tulip_if; 3484 int fillok = 1; 3485#if defined(TULIP_DEBUG) 3486 int cnt = 0; 3487#endif 3488 3489 for (;;) { 3490 TULIP_PERFSTART(rxget) 3491 struct ether_header eh; 3492 tulip_desc_t *eop = ri->ri_nextin; 3493 int total_len = 0, last_offset = 0; 3494 struct mbuf *ms = NULL, *me = NULL; 3495 int accept = 0; 3496#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3497 bus_dmamap_t map; 3498 int error; 3499#endif 3500 3501 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3502 goto queue_mbuf; 3503 3504#if defined(TULIP_DEBUG) 3505 if (cnt == ri->ri_max) 3506 break; 3507#endif 3508 /* 3509 * If the TULIP has no descriptors, there can't be any receive 3510 * descriptors to process. 3511 */ 3512 if (eop == ri->ri_nextout) 3513 break; 3514 3515 /* 3516 * 90% of the packets will fit in one descriptor. So we optimize 3517 * for that case. 3518 */ 3519 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3520 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3521 IF_DEQUEUE(&sc->tulip_rxq, ms); 3522 me = ms; 3523 } else { 3524 /* 3525 * If still owned by the TULIP, don't touch it. 3526 */ 3527 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3528 break; 3529 3530 /* 3531 * It is possible (though improbable unless the BIG_PACKET support 3532 * is enabled or MCLBYTES < 1518) for a received packet to cross 3533 * more than one receive descriptor. 3534 */ 3535 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3536 if (++eop == ri->ri_last) 3537 eop = ri->ri_first; 3538 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3539 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3540#if defined(TULIP_DEBUG) 3541 sc->tulip_dbg.dbg_rxintrs++; 3542 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3543#endif 3544 TULIP_PERFEND(rxget); 3545 TULIP_PERFEND(rxintr); 3546 return; 3547 } 3548 total_len++; 3549 } 3550 3551 /* 3552 * Dequeue the first buffer for the start of the packet. Hopefully 3553 * this will be the only one we need to dequeue. However, if the 3554 * packet consumed multiple descriptors, then we need to dequeue 3555 * those buffers and chain to the starting mbuf. All buffers but 3556 * the last buffer have the same length so we can set that now. 3557 * (we add to last_offset instead of multiplying since we normally 3558 * won't go into the loop and thereby saving a ourselves from 3559 * doing a multiplication by 0 in the normal case). 3560 */ 3561 IF_DEQUEUE(&sc->tulip_rxq, ms); 3562 for (me = ms; total_len > 0; total_len--) { 3563#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3564 map = M_GETCTX(me, bus_dmamap_t); 3565 TULIP_RXMAP_POSTSYNC(sc, map); 3566 bus_dmamap_unload(sc->tulip_dmatag, map); 3567 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3568#if defined(DIAGNOSTIC) 3569 M_SETCTX(me, NULL); 3570#endif 3571#endif /* TULIP_BUS_DMA */ 3572 me->m_len = TULIP_RX_BUFLEN; 3573 last_offset += TULIP_RX_BUFLEN; 3574 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3575 me = me->m_next; 3576 } 3577 } 3578 3579 /* 3580 * Now get the size of received packet (minus the CRC). 3581 */ 3582 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3583 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3584 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3585#ifdef BIG_PACKET 3586 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3587 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3588 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3589 TULIP_DSTS_RxOVERFLOW)) == 0) 3590#endif 3591 )) { 3592 me->m_len = total_len - last_offset; 3593 3594#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3595 map = M_GETCTX(me, bus_dmamap_t); 3596 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3597 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3598 bus_dmamap_unload(sc->tulip_dmatag, map); 3599 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3600#if defined(DIAGNOSTIC) 3601 M_SETCTX(me, NULL); 3602#endif 3603#endif /* TULIP_BUS_DMA */ 3604 3605 eh = *mtod(ms, struct ether_header *); 3606#if NBPF > 0 3607 if (sc->tulip_bpf != NULL) { 3608 if (me == ms) 3609 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3610 else 3611 TULIP_BPF_MTAP(sc, ms); 3612 } 3613#endif 3614 sc->tulip_flags |= TULIP_RXACT; 3615 3616#ifdef BRIDGE /* see code in if_ed.c */ 3617 ms->m_pkthdr.rcvif = ifp; /* XXX */ 3618 ms->m_pkthdr.len = total_len; /* XXX */ 3619 if (do_bridge) { 3620 struct ifnet *bdg_ifp ; 3621 bdg_ifp = bridge_in(ms); 3622 if (bdg_ifp == BDG_DROP) 3623 goto next ; /* and drop */ 3624 if (bdg_ifp != BDG_LOCAL) 3625 bdg_forward(&ms, bdg_ifp); 3626 if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && 3627 bdg_ifp != BDG_MCAST) 3628 goto next ; /* and drop */ 3629 /* all others accepted locally */ 3630 } else 3631#endif 3632 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3633 && (eh.ether_dhost[0] & 1) == 0 3634 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3635 goto next; 3636 accept = 1; 3637 } else { 3638 ifp->if_ierrors++; 3639 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3640 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3641 } else { 3642#if defined(TULIP_VERBOSE) 3643 const char *error = NULL; 3644#endif 3645 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3646 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3647#if defined(TULIP_VERBOSE) 3648 error = "frame too long"; 3649#endif 3650 } 3651 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3652 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3653 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3654#if defined(TULIP_VERBOSE) 3655 error = "alignment error"; 3656#endif 3657 } else { 3658 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3659#if defined(TULIP_VERBOSE) 3660 error = "bad crc"; 3661#endif 3662 } 3663 } 3664#if defined(TULIP_VERBOSE) 3665 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3666 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3667 TULIP_PRINTF_ARGS, 3668 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3669 error); 3670 sc->tulip_flags |= TULIP_NOMESSAGES; 3671 } 3672#endif 3673 } 3674 3675#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3676 map = M_GETCTX(me, bus_dmamap_t); 3677 bus_dmamap_unload(sc->tulip_dmatag, map); 3678 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3679#if defined(DIAGNOSTIC) 3680 M_SETCTX(me, NULL); 3681#endif 3682#endif /* TULIP_BUS_DMA */ 3683 } 3684 next: 3685#if defined(TULIP_DEBUG) 3686 cnt++; 3687#endif 3688 ifp->if_ipackets++; 3689 if (++eop == ri->ri_last) 3690 eop = ri->ri_first; 3691 ri->ri_nextin = eop; 3692 queue_mbuf: 3693 /* 3694 * Either we are priming the TULIP with mbufs (m == NULL) 3695 * or we are about to accept an mbuf for the upper layers 3696 * so we need to allocate an mbuf to replace it. If we 3697 * can't replace it, send up it anyways. This may cause 3698 * us to drop packets in the future but that's better than 3699 * being caught in livelock. 3700 * 3701 * Note that if this packet crossed multiple descriptors 3702 * we don't even try to reallocate all the mbufs here. 3703 * Instead we rely on the test of the beginning of 3704 * the loop to refill for the extra consumed mbufs. 3705 */ 3706 if (accept || ms == NULL) { 3707 struct mbuf *m0; 3708 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3709 if (m0 != NULL) { 3710#if defined(TULIP_COPY_RXDATA) 3711 if (!accept || total_len >= (MHLEN - 2)) { 3712#endif 3713 MCLGET(m0, M_DONTWAIT); 3714 if ((m0->m_flags & M_EXT) == 0) { 3715 m_freem(m0); 3716 m0 = NULL; 3717 } 3718#if defined(TULIP_COPY_RXDATA) 3719 } 3720#endif 3721 } 3722 if (accept 3723#if defined(TULIP_COPY_RXDATA) 3724 && m0 != NULL 3725#endif 3726 ) { 3727#if defined(__bsdi__) 3728 eh.ether_type = ntohs(eh.ether_type); 3729#endif 3730#if !defined(TULIP_COPY_RXDATA) 3731 ms->m_pkthdr.len = total_len; 3732 ms->m_pkthdr.rcvif = ifp; 3733#if defined(__NetBSD__) 3734 (*ifp->if_input)(ifp, ms); 3735#else 3736 m_adj(ms, sizeof(struct ether_header)); 3737 ether_input(ifp, &eh, ms); 3738#endif /* __NetBSD__ */ 3739#else 3740#ifdef BIG_PACKET 3741#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3742#endif 3743 m0->m_data += 2; /* align data after header */ 3744 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3745 m0->m_len = m0->m_pkthdr.len = total_len; 3746 m0->m_pkthdr.rcvif = ifp; 3747#if defined(__NetBSD__) 3748 (*ifp->if_input)(ifp, m0); 3749#else 3750 m_adj(m0, sizeof(struct ether_header); 3751 ether_input(ifp, &eh, m0); 3752#endif /* __NetBSD__ */ 3753 m0 = ms; 3754#endif /* ! TULIP_COPY_RXDATA */ 3755 } 3756 ms = m0; 3757 } 3758 if (ms == NULL) { 3759 /* 3760 * Couldn't allocate a new buffer. Don't bother 3761 * trying to replenish the receive queue. 3762 */ 3763 fillok = 0; 3764 sc->tulip_flags |= TULIP_RXBUFSLOW; 3765#if defined(TULIP_DEBUG) 3766 sc->tulip_dbg.dbg_rxlowbufs++; 3767#endif 3768 TULIP_PERFEND(rxget); 3769 continue; 3770 } 3771 /* 3772 * Now give the buffer(s) to the TULIP and save in our 3773 * receive queue. 3774 */ 3775 do { 3776 tulip_desc_t * const nextout = ri->ri_nextout; 3777#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3778 if (sc->tulip_rxmaps_free > 0) { 3779 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3780 } else { 3781 m_freem(ms); 3782 sc->tulip_flags |= TULIP_RXBUFSLOW; 3783#if defined(TULIP_DEBUG) 3784 sc->tulip_dbg.dbg_rxlowbufs++; 3785#endif 3786 break; 3787 } 3788 M_SETCTX(ms, map); 3789 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3790 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3791 if (error) { 3792 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3793 "error = %d\n", TULIP_PRINTF_ARGS, error); 3794 panic("tulip_rx_intr"); /* XXX */ 3795 } 3796 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3797 nextout->d_length1 = map->dm_segs[0].ds_len; 3798 if (map->dm_nsegs == 2) { 3799 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3800 nextout->d_length2 = map->dm_segs[1].ds_len; 3801 } else { 3802 nextout->d_addr2 = 0; 3803 nextout->d_length2 = 0; 3804 } 3805 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3806#else /* TULIP_BUS_DMA */ 3807 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3808 nextout->d_length1 = TULIP_RX_BUFLEN; 3809#endif /* TULIP_BUS_DMA */ 3810 nextout->d_status = TULIP_DSTS_OWNER; 3811 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3812 if (++ri->ri_nextout == ri->ri_last) 3813 ri->ri_nextout = ri->ri_first; 3814 me = ms->m_next; 3815 ms->m_next = NULL; 3816 IF_ENQUEUE(&sc->tulip_rxq, ms); 3817 } while ((ms = me) != NULL); 3818 3819 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3820 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3821 TULIP_PERFEND(rxget); 3822 } 3823 3824#if defined(TULIP_DEBUG) 3825 sc->tulip_dbg.dbg_rxintrs++; 3826 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3827#endif 3828 TULIP_PERFEND(rxintr); 3829} 3830 3831static int 3832tulip_tx_intr( 3833 tulip_softc_t * const sc) 3834{ 3835 TULIP_PERFSTART(txintr) 3836 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3837 struct mbuf *m; 3838 int xmits = 0; 3839 int descs = 0; 3840 3841 while (ri->ri_free < ri->ri_max) { 3842 u_int32_t d_flag; 3843 3844 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3845 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3846 break; 3847 3848 ri->ri_free++; 3849 descs++; 3850 d_flag = ri->ri_nextin->d_flag; 3851 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3852 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3853 /* 3854 * We've just finished processing a setup packet. 3855 * Mark that we finished it. If there's not 3856 * another pending, startup the TULIP receiver. 3857 * Make sure we ack the RXSTOPPED so we won't get 3858 * an abormal interrupt indication. 3859 */ 3860 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3861 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3862 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3863 sc->tulip_flags |= TULIP_HASHONLY; 3864 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3865 tulip_rx_intr(sc); 3866 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3867 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3868 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3869 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3870 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3871 } 3872 } else { 3873 const u_int32_t d_status = ri->ri_nextin->d_status; 3874 IF_DEQUEUE(&sc->tulip_txq, m); 3875 if (m != NULL) { 3876#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3877 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3878 TULIP_TXMAP_POSTSYNC(sc, map); 3879 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3880#endif /* TULIP_BUS_DMA */ 3881#if NBPF > 0 3882 if (sc->tulip_bpf != NULL) 3883 TULIP_BPF_MTAP(sc, m); 3884#endif 3885 m_freem(m); 3886#if defined(TULIP_DEBUG) 3887 } else { 3888 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3889#endif 3890 } 3891 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3892 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3893 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3894#if defined(TULIP_DEBUG) 3895 if (d_status & TULIP_DSTS_TxNOCARR) 3896 sc->tulip_dbg.dbg_txprobe_nocarr++; 3897 if (d_status & TULIP_DSTS_TxEXCCOLL) 3898 sc->tulip_dbg.dbg_txprobe_exccoll++; 3899#endif 3900 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3901 } 3902 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3903 /* 3904 * Escape from the loop before media poll has reset the TULIP! 3905 */ 3906 break; 3907 } else { 3908 xmits++; 3909 if (d_status & TULIP_DSTS_ERRSUM) { 3910 sc->tulip_if.if_oerrors++; 3911 if (d_status & TULIP_DSTS_TxEXCCOLL) 3912 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3913 if (d_status & TULIP_DSTS_TxLATECOLL) 3914 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3915 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3916 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3917 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3918 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3919 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3920 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3921 if (d_status & TULIP_DSTS_TxBABBLE) 3922 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3923 } else { 3924 u_int32_t collisions = 3925 (d_status & TULIP_DSTS_TxCOLLMASK) 3926 >> TULIP_DSTS_V_TxCOLLCNT; 3927 sc->tulip_if.if_collisions += collisions; 3928 if (collisions == 1) 3929 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3930 else if (collisions > 1) 3931 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3932 else if (d_status & TULIP_DSTS_TxDEFERRED) 3933 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3934 /* 3935 * SQE is only valid for 10baseT/BNC/AUI when not 3936 * running in full-duplex. In order to speed up the 3937 * test, the corresponding bit in tulip_flags needs to 3938 * set as well to get us to count SQE Test Errors. 3939 */ 3940 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3941 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3942 } 3943 } 3944 } 3945 } 3946 3947 if (++ri->ri_nextin == ri->ri_last) 3948 ri->ri_nextin = ri->ri_first; 3949 3950 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3951 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3952 } 3953 /* 3954 * If nothing left to transmit, disable the timer. 3955 * Else if progress, reset the timer back to 2 ticks. 3956 */ 3957 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3958 sc->tulip_txtimer = 0; 3959 else if (xmits > 0) 3960 sc->tulip_txtimer = TULIP_TXTIMER; 3961 sc->tulip_if.if_opackets += xmits; 3962 TULIP_PERFEND(txintr); 3963 return descs; 3964} 3965 3966static void 3967tulip_print_abnormal_interrupt( 3968 tulip_softc_t * const sc, 3969 u_int32_t csr) 3970{ 3971 const char * const *msgp = tulip_status_bits; 3972 const char *sep; 3973 u_int32_t mask; 3974 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3975 3976 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3977 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3978 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3979 if ((csr & mask) && *msgp != NULL) { 3980 printf("%s%s", sep, *msgp); 3981 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3982 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3983 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3984 printf(" (switching to store-and-forward mode)"); 3985 } else { 3986 printf(" (raising TX threshold to %s)", 3987 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3988 } 3989 } 3990 sep = ", "; 3991 } 3992 } 3993 printf("\n"); 3994} 3995 3996static void 3997tulip_intr_handler( 3998 tulip_softc_t * const sc, 3999 int *progress_p) 4000{ 4001 TULIP_PERFSTART(intr) 4002 u_int32_t csr; 4003#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 4004 int only_once; 4005 4006 only_once = 1; 4007#endif 4008 4009 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 4010#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 4011 if (only_once == 1) { 4012#if NRND > 0 4013 rnd_add_uint32(&sc->tulip_rndsource, csr); 4014#endif 4015 only_once = 0; 4016 } 4017#endif 4018 4019 *progress_p = 1; 4020 TULIP_CSR_WRITE(sc, csr_status, csr); 4021 4022 if (csr & TULIP_STS_SYSERROR) { 4023 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 4024 if (sc->tulip_flags & TULIP_NOMESSAGES) { 4025 sc->tulip_flags |= TULIP_SYSTEMERROR; 4026 } else { 4027 printf(TULIP_PRINTF_FMT ": system error: %s\n", 4028 TULIP_PRINTF_ARGS, 4029 tulip_system_errors[sc->tulip_last_system_error]); 4030 } 4031 sc->tulip_flags |= TULIP_NEEDRESET; 4032 sc->tulip_system_errors++; 4033 break; 4034 } 4035 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 4036#if defined(TULIP_DEBUG) 4037 sc->tulip_dbg.dbg_link_intrs++; 4038#endif 4039 if (sc->tulip_boardsw->bd_media_poll != NULL) { 4040 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 4041 ? TULIP_MEDIAPOLL_LINKFAIL 4042 : TULIP_MEDIAPOLL_LINKPASS); 4043 csr &= ~TULIP_STS_ABNRMLINTR; 4044 } 4045 tulip_media_print(sc); 4046 } 4047 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 4048 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 4049 if (csr & TULIP_STS_RXNOBUF) 4050 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 4051 /* 4052 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 4053 * on receive overflows. 4054 */ 4055 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 4056 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 4057 /* 4058 * Stop the receiver process and spin until it's stopped. 4059 * Tell rx_intr to drop the packets it dequeues. 4060 */ 4061 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 4062 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 4063 ; 4064 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 4065 sc->tulip_flags |= TULIP_RXIGNORE; 4066 } 4067 tulip_rx_intr(sc); 4068 if (sc->tulip_flags & TULIP_RXIGNORE) { 4069 /* 4070 * Restart the receiver. 4071 */ 4072 sc->tulip_flags &= ~TULIP_RXIGNORE; 4073 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4074 } 4075 } 4076 if (csr & TULIP_STS_ABNRMLINTR) { 4077 u_int32_t tmp = csr & sc->tulip_intrmask 4078 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 4079 if (csr & TULIP_STS_TXUNDERFLOW) { 4080 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 4081 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 4082 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4083 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 4084 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4085 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4086 } 4087 } 4088 if (sc->tulip_flags & TULIP_NOMESSAGES) { 4089 sc->tulip_statusbits |= tmp; 4090 } else { 4091 tulip_print_abnormal_interrupt(sc, tmp); 4092 sc->tulip_flags |= TULIP_NOMESSAGES; 4093 } 4094 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4095 } 4096 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 4097 tulip_tx_intr(sc); 4098 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 4099 tulip_ifstart(&sc->tulip_if); 4100 } 4101 } 4102 if (sc->tulip_flags & TULIP_NEEDRESET) { 4103 tulip_reset(sc); 4104 tulip_init(sc); 4105 } 4106 TULIP_PERFEND(intr); 4107} 4108 4109#if defined(TULIP_USE_SOFTINTR) 4110/* 4111 * This is a experimental idea to alleviate problems due to interrupt 4112 * livelock. What is interrupt livelock? It's when you spend all your 4113 * time servicing device interrupts and never drop below device ipl 4114 * to do "useful" work. 4115 * 4116 * So what we do here is see if the device needs service and if so, 4117 * disable interrupts (dismiss the interrupt), place it in a list of devices 4118 * needing service, and issue a network software interrupt. 4119 * 4120 * When our network software interrupt routine gets called, we simply 4121 * walk done the list of devices that we have created and deal with them 4122 * at splnet/splsoftnet. 4123 * 4124 */ 4125static void 4126tulip_hardintr_handler( 4127 tulip_softc_t * const sc, 4128 int *progress_p) 4129{ 4130 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 4131 return; 4132 *progress_p = 1; 4133 /* 4134 * disable interrupts 4135 */ 4136 TULIP_CSR_WRITE(sc, csr_intr, 0); 4137 /* 4138 * mark it as needing a software interrupt 4139 */ 4140 tulip_softintr_mask |= (1U << sc->tulip_unit); 4141 4142#if defined(__NetBSD__) && NRND > 0 4143 /* 4144 * This isn't all that random (the value we feed in) but it is 4145 * better than a constant probably. It isn't used in entropy 4146 * calculation anyway, just to add something to the pool. 4147 */ 4148 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 4149#endif 4150} 4151 4152static void 4153tulip_softintr( 4154 void) 4155{ 4156 u_int32_t softintr_mask, mask; 4157 int progress = 0; 4158 int unit; 4159 tulip_spl_t s; 4160 4161 /* 4162 * Copy mask to local copy and reset global one to 0. 4163 */ 4164 s = TULIP_RAISESPL(); 4165 softintr_mask = tulip_softintr_mask; 4166 tulip_softintr_mask = 0; 4167 TULIP_RESTORESPL(s); 4168 4169 /* 4170 * Optimize for the single unit case. 4171 */ 4172 if (tulip_softintr_max_unit == 0) { 4173 if (softintr_mask & 1) { 4174 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 4175 /* 4176 * Handle the "interrupt" and then reenable interrupts 4177 */ 4178 softintr_mask = 0; 4179 tulip_intr_handler(sc, &progress); 4180 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4181 } 4182 return; 4183 } 4184 4185 /* 4186 * Handle all "queued" interrupts in a round robin fashion. 4187 * This is done so as not to favor a particular interface. 4188 */ 4189 unit = tulip_softintr_last_unit; 4190 mask = (1U << unit); 4191 while (softintr_mask != 0) { 4192 if (tulip_softintr_max_unit == unit) { 4193 unit = 0; mask = 1; 4194 } else { 4195 unit += 1; mask <<= 1; 4196 } 4197 if (softintr_mask & mask) { 4198 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 4199 /* 4200 * Handle the "interrupt" and then reenable interrupts 4201 */ 4202 softintr_mask ^= mask; 4203 tulip_intr_handler(sc, &progress); 4204 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4205 } 4206 } 4207 4208 /* 4209 * Save where we ending up. 4210 */ 4211 tulip_softintr_last_unit = unit; 4212} 4213#endif /* TULIP_USE_SOFTINTR */ 4214 4215static tulip_intrfunc_t 4216tulip_intr_shared( 4217 void *arg) 4218{ 4219 tulip_softc_t * sc = arg; 4220 int progress = 0; 4221 4222 for (; sc != NULL; sc = sc->tulip_slaves) { 4223#if defined(TULIP_DEBUG) 4224 sc->tulip_dbg.dbg_intrs++; 4225#endif 4226#if defined(TULIP_USE_SOFTINTR) 4227 tulip_hardintr_handler(sc, &progress); 4228#else 4229 tulip_intr_handler(sc, &progress); 4230#endif 4231 } 4232#if defined(TULIP_USE_SOFTINTR) 4233 if (progress) 4234 schednetisr(NETISR_DE); 4235#endif 4236#if !defined(TULIP_VOID_INTRFUNC) 4237 return progress; 4238#endif 4239} 4240 4241static tulip_intrfunc_t 4242tulip_intr_normal( 4243 void *arg) 4244{ 4245 tulip_softc_t * sc = (tulip_softc_t *) arg; 4246 int progress = 0; 4247 4248#if defined(TULIP_DEBUG) 4249 sc->tulip_dbg.dbg_intrs++; 4250#endif 4251#if defined(TULIP_USE_SOFTINTR) 4252 tulip_hardintr_handler(sc, &progress); 4253 if (progress) 4254 schednetisr(NETISR_DE); 4255#else 4256 tulip_intr_handler(sc, &progress); 4257#endif 4258#if !defined(TULIP_VOID_INTRFUNC) 4259 return progress; 4260#endif 4261} 4262 4263static struct mbuf * 4264tulip_mbuf_compress( 4265 struct mbuf *m) 4266{ 4267 struct mbuf *m0; 4268#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4269 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4270 if (m0 != NULL) { 4271 if (m->m_pkthdr.len > MHLEN) { 4272 MCLGET(m0, M_DONTWAIT); 4273 if ((m0->m_flags & M_EXT) == 0) { 4274 m_freem(m); 4275 m_freem(m0); 4276 return NULL; 4277 } 4278 } 4279 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4280 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4281 } 4282#else 4283 int mlen = MHLEN; 4284 int len = m->m_pkthdr.len; 4285 struct mbuf **mp = &m0; 4286 4287 while (len > 0) { 4288 if (mlen == MHLEN) { 4289 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4290 } else { 4291 MGET(*mp, M_DONTWAIT, MT_DATA); 4292 } 4293 if (*mp == NULL) { 4294 m_freem(m0); 4295 m0 = NULL; 4296 break; 4297 } 4298 if (len > MLEN) { 4299 MCLGET(*mp, M_DONTWAIT); 4300 if (((*mp)->m_flags & M_EXT) == 0) { 4301 m_freem(m0); 4302 m0 = NULL; 4303 break; 4304 } 4305 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4306 } else { 4307 (*mp)->m_len = len <= mlen ? len : mlen; 4308 } 4309 m_copydata(m, m->m_pkthdr.len - len, 4310 (*mp)->m_len, mtod((*mp), caddr_t)); 4311 len -= (*mp)->m_len; 4312 mp = &(*mp)->m_next; 4313 mlen = MLEN; 4314 } 4315#endif 4316 m_freem(m); 4317 return m0; 4318} 4319 4320static struct mbuf * 4321tulip_txput( 4322 tulip_softc_t * const sc, 4323 struct mbuf *m) 4324{ 4325 TULIP_PERFSTART(txput) 4326 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4327 tulip_desc_t *eop, *nextout; 4328 int segcnt, free; 4329 u_int32_t d_status; 4330#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4331 bus_dmamap_t map; 4332 int error; 4333#else 4334 struct mbuf *m0; 4335#endif 4336 4337#if defined(TULIP_DEBUG) 4338 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4339 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4340 TULIP_PRINTF_ARGS, 4341 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4342 sc->tulip_flags |= TULIP_WANTTXSTART; 4343 sc->tulip_dbg.dbg_txput_finishes[0]++; 4344 goto finish; 4345 } 4346#endif 4347 4348 /* 4349 * Now we try to fill in our transmit descriptors. This is 4350 * a bit reminiscent of going on the Ark two by two 4351 * since each descriptor for the TULIP can describe 4352 * two buffers. So we advance through packet filling 4353 * each of the two entries at a time to to fill each 4354 * descriptor. Clear the first and last segment bits 4355 * in each descriptor (actually just clear everything 4356 * but the end-of-ring or chain bits) to make sure 4357 * we don't get messed up by previously sent packets. 4358 * 4359 * We may fail to put the entire packet on the ring if 4360 * there is either not enough ring entries free or if the 4361 * packet has more than MAX_TXSEG segments. In the former 4362 * case we will just wait for the ring to empty. In the 4363 * latter case we have to recopy. 4364 */ 4365#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4366 again: 4367 m0 = m; 4368#endif 4369 d_status = 0; 4370 eop = nextout = ri->ri_nextout; 4371 segcnt = 0; 4372 free = ri->ri_free; 4373 4374#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4375 /* 4376 * Reclaim some dma maps from if we are out. 4377 */ 4378 if (sc->tulip_txmaps_free == 0) { 4379#if defined(TULIP_DEBUG) 4380 sc->tulip_dbg.dbg_no_txmaps++; 4381#endif 4382 free += tulip_tx_intr(sc); 4383 } 4384 if (sc->tulip_txmaps_free > 0) { 4385 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4386 } else { 4387 sc->tulip_flags |= TULIP_WANTTXSTART; 4388#if defined(TULIP_DEBUG) 4389 sc->tulip_dbg.dbg_txput_finishes[1]++; 4390#endif 4391 goto finish; 4392 } 4393 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4394 if (error != 0) { 4395 if (error == EFBIG) { 4396 /* 4397 * The packet exceeds the number of transmit buffer 4398 * entries that we can use for one packet, so we have 4399 * to recopy it into one mbuf and then try again. 4400 */ 4401 m = tulip_mbuf_compress(m); 4402 if (m == NULL) { 4403#if defined(TULIP_DEBUG) 4404 sc->tulip_dbg.dbg_txput_finishes[2]++; 4405#endif 4406 goto finish; 4407 } 4408 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4409 } 4410 if (error != 0) { 4411 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 4412 "error = %d\n", TULIP_PRINTF_ARGS, error); 4413#if defined(TULIP_DEBUG) 4414 sc->tulip_dbg.dbg_txput_finishes[3]++; 4415#endif 4416 goto finish; 4417 } 4418 } 4419 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4420 /* 4421 * See if there's any unclaimed space in the transmit ring. 4422 */ 4423 && (free += tulip_tx_intr(sc)) <= 0) { 4424 /* 4425 * There's no more room but since nothing 4426 * has been committed at this point, just 4427 * show output is active, put back the 4428 * mbuf and return. 4429 */ 4430 sc->tulip_flags |= TULIP_WANTTXSTART; 4431#if defined(TULIP_DEBUG) 4432 sc->tulip_dbg.dbg_txput_finishes[4]++; 4433#endif 4434 bus_dmamap_unload(sc->tulip_dmatag, map); 4435 goto finish; 4436 } 4437 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4438 eop = nextout; 4439 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4440 eop->d_status = d_status; 4441 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4442 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4443 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4444 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4445 d_status = TULIP_DSTS_OWNER; 4446 if (++nextout == ri->ri_last) 4447 nextout = ri->ri_first; 4448 } 4449 if (segcnt < map->dm_nsegs) { 4450 eop = nextout; 4451 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4452 eop->d_status = d_status; 4453 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4454 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4455 eop->d_addr2 = 0; 4456 eop->d_length2 = 0; 4457 if (++nextout == ri->ri_last) 4458 nextout = ri->ri_first; 4459 } 4460 TULIP_TXMAP_PRESYNC(sc, map); 4461 M_SETCTX(m, map); 4462 map = NULL; 4463 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4464 4465#else /* !TULIP_BUS_DMA */ 4466 4467 do { 4468 int len = m0->m_len; 4469 caddr_t addr = mtod(m0, caddr_t); 4470 unsigned clsize = CLBYTES - (((uintptr_t) addr) & (CLBYTES-1)); 4471 4472 while (len > 0) { 4473 unsigned slen = min(len, clsize); 4474#ifdef BIG_PACKET 4475 int partial = 0; 4476 if (slen >= 2048) 4477 slen = 2040, partial = 1; 4478#endif 4479 segcnt++; 4480 if (segcnt > TULIP_MAX_TXSEG) { 4481 /* 4482 * The packet exceeds the number of transmit buffer 4483 * entries that we can use for one packet, so we have 4484 * recopy it into one mbuf and then try again. 4485 */ 4486 m = tulip_mbuf_compress(m); 4487 if (m == NULL) 4488 goto finish; 4489 goto again; 4490 } 4491 if (segcnt & 1) { 4492 if (--free == 0) { 4493 /* 4494 * See if there's any unclaimed space in the 4495 * transmit ring. 4496 */ 4497 if ((free += tulip_tx_intr(sc)) == 0) { 4498 /* 4499 * There's no more room but since nothing 4500 * has been committed at this point, just 4501 * show output is active, put back the 4502 * mbuf and return. 4503 */ 4504 sc->tulip_flags |= TULIP_WANTTXSTART; 4505#if defined(TULIP_DEBUG) 4506 sc->tulip_dbg.dbg_txput_finishes[1]++; 4507#endif 4508 goto finish; 4509 } 4510 } 4511 eop = nextout; 4512 if (++nextout == ri->ri_last) 4513 nextout = ri->ri_first; 4514 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4515 eop->d_status = d_status; 4516 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4517 eop->d_length1 = slen; 4518 } else { 4519 /* 4520 * Fill in second half of descriptor 4521 */ 4522 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4523 eop->d_length2 = slen; 4524 } 4525 d_status = TULIP_DSTS_OWNER; 4526 len -= slen; 4527 addr += slen; 4528#ifdef BIG_PACKET 4529 if (partial) 4530 continue; 4531#endif 4532 clsize = CLBYTES; 4533 } 4534 } while ((m0 = m0->m_next) != NULL); 4535#endif /* TULIP_BUS_DMA */ 4536 4537 /* 4538 * The descriptors have been filled in. Now get ready 4539 * to transmit. 4540 */ 4541 IF_ENQUEUE(&sc->tulip_txq, m); 4542 m = NULL; 4543 4544 /* 4545 * Make sure the next descriptor after this packet is owned 4546 * by us since it may have been set up above if we ran out 4547 * of room in the ring. 4548 */ 4549 nextout->d_status = 0; 4550 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4551 4552#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4553 /* 4554 * If we only used the first segment of the last descriptor, 4555 * make sure the second segment will not be used. 4556 */ 4557 if (segcnt & 1) { 4558 eop->d_addr2 = 0; 4559 eop->d_length2 = 0; 4560 } 4561#endif /* TULIP_BUS_DMA */ 4562 4563 /* 4564 * Mark the last and first segments, indicate we want a transmit 4565 * complete interrupt, and tell it to transmit! 4566 */ 4567 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4568 4569 /* 4570 * Note that ri->ri_nextout is still the start of the packet 4571 * and until we set the OWNER bit, we can still back out of 4572 * everything we have done. 4573 */ 4574 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4575#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4576 if (eop < ri->ri_nextout) { 4577 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4578 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4579 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4580 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4581 } else { 4582 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4583 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4584 } 4585#endif 4586 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4587 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4588 4589 /* 4590 * This advances the ring for us. 4591 */ 4592 ri->ri_nextout = nextout; 4593 ri->ri_free = free; 4594 4595 TULIP_PERFEND(txput); 4596 4597 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4598 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4599 sc->tulip_if.if_flags |= IFF_OACTIVE; 4600 sc->tulip_if.if_start = tulip_ifstart; 4601 TULIP_PERFEND(txput); 4602 return NULL; 4603 } 4604 4605 /* 4606 * switch back to the single queueing ifstart. 4607 */ 4608 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4609 if (sc->tulip_txtimer == 0) 4610 sc->tulip_txtimer = TULIP_TXTIMER; 4611#if defined(TULIP_DEBUG) 4612 sc->tulip_dbg.dbg_txput_finishes[5]++; 4613#endif 4614 4615 /* 4616 * If we want a txstart, there must be not enough space in the 4617 * transmit ring. So we want to enable transmit done interrupts 4618 * so we can immediately reclaim some space. When the transmit 4619 * interrupt is posted, the interrupt handler will call tx_intr 4620 * to reclaim space and then txstart (since WANTTXSTART is set). 4621 * txstart will move the packet into the transmit ring and clear 4622 * WANTTXSTART thereby causing TXINTR to be cleared. 4623 */ 4624 finish: 4625#if defined(TULIP_DEBUG) 4626 sc->tulip_dbg.dbg_txput_finishes[6]++; 4627#endif 4628 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4629 sc->tulip_if.if_flags |= IFF_OACTIVE; 4630 sc->tulip_if.if_start = tulip_ifstart; 4631 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4632 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4633 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4634 } 4635 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4636 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4637 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4638 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4639 } 4640 } 4641 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4642 TULIP_PERFEND(txput); 4643 return m; 4644} 4645 4646static void 4647tulip_txput_setup( 4648 tulip_softc_t * const sc) 4649{ 4650 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4651 tulip_desc_t *nextout; 4652 4653 /* 4654 * We will transmit, at most, one setup packet per call to ifstart. 4655 */ 4656 4657#if defined(TULIP_DEBUG) 4658 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4659 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4660 TULIP_PRINTF_ARGS); 4661 sc->tulip_flags |= TULIP_WANTTXSTART; 4662 sc->tulip_if.if_start = tulip_ifstart; 4663 return; 4664 } 4665#endif 4666 /* 4667 * Try to reclaim some free descriptors.. 4668 */ 4669 if (ri->ri_free < 2) 4670 tulip_tx_intr(sc); 4671 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4672 sc->tulip_flags |= TULIP_WANTTXSTART; 4673 sc->tulip_if.if_start = tulip_ifstart; 4674 return; 4675 } 4676 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4677 sizeof(sc->tulip_setupbuf)); 4678 /* 4679 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4680 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4681 */ 4682 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4683 ri->ri_free--; 4684 nextout = ri->ri_nextout; 4685 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4686 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4687 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4688 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4689 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4690 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4691 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4692 4693 nextout->d_length2 = 0; 4694 nextout->d_addr2 = 0; 4695#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4696 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4697 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4698 if (sc->tulip_setupmap->dm_nsegs == 2) { 4699 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4700 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4701 } 4702 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4703 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4704#else 4705 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4706 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4707#endif 4708 4709 /* 4710 * Advance the ring for the next transmit packet. 4711 */ 4712 if (++ri->ri_nextout == ri->ri_last) 4713 ri->ri_nextout = ri->ri_first; 4714 4715 /* 4716 * Make sure the next descriptor is owned by us since it 4717 * may have been set up above if we ran out of room in the 4718 * ring. 4719 */ 4720 ri->ri_nextout->d_status = 0; 4721 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4722 nextout->d_status = TULIP_DSTS_OWNER; 4723 /* 4724 * Flush the ownwership of the current descriptor 4725 */ 4726 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4727 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4728 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4729 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4730 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4731 } 4732} 4733 4734 4735/* 4736 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4737 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4738 * defined or not. 4739 */ 4740static int 4741tulip_ifioctl( 4742 struct ifnet * ifp, 4743 ioctl_cmd_t cmd, 4744 caddr_t data) 4745{ 4746 TULIP_PERFSTART(ifioctl) 4747 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4748 struct ifaddr *ifa = (struct ifaddr *)data; 4749 struct ifreq *ifr = (struct ifreq *) data; 4750 tulip_spl_t s; 4751 int error = 0; 4752 4753#if defined(TULIP_USE_SOFTINTR) 4754 s = TULIP_RAISESOFTSPL(); 4755#else 4756 s = TULIP_RAISESPL(); 4757#endif 4758 switch (cmd) { 4759 case SIOCSIFADDR: { 4760 ifp->if_flags |= IFF_UP; 4761 switch(ifa->ifa_addr->sa_family) { 4762#ifdef INET 4763 case AF_INET: { 4764 tulip_init(sc); 4765 TULIP_ARP_IFINIT(sc, ifa); 4766 break; 4767 } 4768#endif /* INET */ 4769 4770#ifdef IPX 4771 case AF_IPX: { 4772 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4773 if (ipx_nullhost(*ina)) { 4774 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4775 } else { 4776 ifp->if_flags &= ~IFF_RUNNING; 4777 bcopy((caddr_t)ina->x_host.c_host, 4778 (caddr_t)sc->tulip_enaddr, 4779 sizeof(sc->tulip_enaddr)); 4780 } 4781 tulip_init(sc); 4782 break; 4783 } 4784#endif /* IPX */ 4785 4786#ifdef NS 4787 /* 4788 * This magic copied from if_is.c; I don't use XNS, 4789 * so I have no way of telling if this actually 4790 * works or not. 4791 */ 4792 case AF_NS: { 4793 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4794 if (ns_nullhost(*ina)) { 4795 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4796 } else { 4797 ifp->if_flags &= ~IFF_RUNNING; 4798 bcopy((caddr_t)ina->x_host.c_host, 4799 (caddr_t)sc->tulip_enaddr, 4800 sizeof(sc->tulip_enaddr)); 4801 } 4802 tulip_init(sc); 4803 break; 4804 } 4805#endif /* NS */ 4806 4807 default: { 4808 tulip_init(sc); 4809 break; 4810 } 4811 } 4812 break; 4813 } 4814 case SIOCGIFADDR: { 4815 bcopy((caddr_t) sc->tulip_enaddr, 4816 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4817 6); 4818 break; 4819 } 4820 4821 case SIOCSIFFLAGS: { 4822#if !defined(IFM_ETHER) 4823 int flags = 0; 4824 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4825 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4826 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4827 if (flags == 7) { 4828 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4829 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4830 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4831 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4832 tulip_reset(sc); 4833 } else if (flags) { 4834 tulip_media_t media; 4835 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4836 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4837 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4838 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4839 sc->tulip_flags &= ~TULIP_DIDNWAY; 4840 tulip_linkup(sc, media); 4841 } 4842 break; 4843 } 4844 } 4845 if (flags) 4846 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4847 } 4848#endif 4849 tulip_addr_filter(sc); /* reinit multicast filter */ 4850 tulip_init(sc); 4851 break; 4852 } 4853 4854#if defined(SIOCSIFMEDIA) 4855 case SIOCSIFMEDIA: 4856 case SIOCGIFMEDIA: { 4857 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4858 break; 4859 } 4860#endif 4861 4862 case SIOCADDMULTI: 4863 case SIOCDELMULTI: { 4864 /* 4865 * Update multicast listeners 4866 */ 4867#if defined(__FreeBSD__) 4868 tulip_addr_filter(sc); /* reset multicast filtering */ 4869 tulip_init(sc); 4870 error = 0; 4871#else 4872 if (cmd == SIOCADDMULTI) 4873 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4874 else 4875 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4876 4877 if (error == ENETRESET) { 4878 tulip_addr_filter(sc); /* reset multicast filtering */ 4879 tulip_init(sc); 4880 error = 0; 4881 } 4882#endif 4883 break; 4884 } 4885#if defined(SIOCSIFMTU) 4886#if !defined(ifr_mtu) 4887#define ifr_mtu ifr_metric 4888#endif 4889 case SIOCSIFMTU: 4890 /* 4891 * Set the interface MTU. 4892 */ 4893 if (ifr->ifr_mtu > ETHERMTU 4894#ifdef BIG_PACKET 4895 && sc->tulip_chipid != TULIP_21140 4896 && sc->tulip_chipid != TULIP_21140A 4897 && sc->tulip_chipid != TULIP_21041 4898#endif 4899 ) { 4900 error = EINVAL; 4901 break; 4902 } 4903 ifp->if_mtu = ifr->ifr_mtu; 4904#ifdef BIG_PACKET 4905 tulip_reset(sc); 4906 tulip_init(sc); 4907#endif 4908 break; 4909#endif /* SIOCSIFMTU */ 4910 4911#ifdef SIOCGADDRROM 4912 case SIOCGADDRROM: { 4913 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4914 break; 4915 } 4916#endif 4917#ifdef SIOCGCHIPID 4918 case SIOCGCHIPID: { 4919 ifr->ifr_metric = (int) sc->tulip_chipid; 4920 break; 4921 } 4922#endif 4923 default: { 4924 error = EINVAL; 4925 break; 4926 } 4927 } 4928 4929 TULIP_RESTORESPL(s); 4930 TULIP_PERFEND(ifioctl); 4931 return error; 4932} 4933 4934/* 4935 * These routines gets called at device spl (from ether_output). This might 4936 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4937 * device spl from another driver. 4938 */ 4939 4940static ifnet_ret_t 4941tulip_ifstart( 4942 struct ifnet * const ifp) 4943{ 4944 TULIP_PERFSTART(ifstart) 4945 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4946 4947 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4948 4949 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4950 tulip_txput_setup(sc); 4951 4952 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4953 struct mbuf *m; 4954 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4955 if ((m = tulip_txput(sc, m)) != NULL) { 4956 IF_PREPEND(&sc->tulip_if.if_snd, m); 4957 break; 4958 } 4959 } 4960 if (sc->tulip_if.if_snd.ifq_head == NULL) 4961 sc->tulip_if.if_start = tulip_ifstart_one; 4962 } 4963 4964 TULIP_PERFEND(ifstart); 4965} 4966 4967static ifnet_ret_t 4968tulip_ifstart_one( 4969 struct ifnet * const ifp) 4970{ 4971 TULIP_PERFSTART(ifstart_one) 4972 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4973 4974 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4975 && sc->tulip_if.if_snd.ifq_head != NULL) { 4976 struct mbuf *m; 4977 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4978 if ((m = tulip_txput(sc, m)) != NULL) 4979 IF_PREPEND(&sc->tulip_if.if_snd, m); 4980 } 4981 TULIP_PERFEND(ifstart_one); 4982} 4983 4984/* 4985 * Even though this routine runs at device spl, it does not break 4986 * our use of splnet (splsoftnet under NetBSD) for the majority 4987 * of this driver (if TULIP_USE_SOFTINTR defined) since 4988 * if_watcbog is called from if_watchdog which is called from 4989 * splsoftclock which is below spl[soft]net. 4990 */ 4991static void 4992tulip_ifwatchdog( 4993 struct ifnet *ifp) 4994{ 4995 TULIP_PERFSTART(ifwatchdog) 4996 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4997 4998#if defined(TULIP_DEBUG) 4999 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 5000 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 5001 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 5002 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 5003#endif /* TULIP_DEBUG */ 5004 5005 sc->tulip_if.if_timer = 1; 5006 /* 5007 * These should be rare so do a bulk test up front so we can just skip 5008 * them if needed. 5009 */ 5010 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 5011 /* 5012 * If the number of receive buffer is low, try to refill 5013 */ 5014 if (sc->tulip_flags & TULIP_RXBUFSLOW) 5015 tulip_rx_intr(sc); 5016 5017 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 5018 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 5019 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 5020 tulip_system_errors[sc->tulip_last_system_error]); 5021 } 5022 if (sc->tulip_statusbits) { 5023 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 5024 sc->tulip_statusbits = 0; 5025 } 5026 5027 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 5028 } 5029 5030 if (sc->tulip_txtimer) 5031 tulip_tx_intr(sc); 5032 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 5033 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 5034 if (TULIP_DO_AUTOSENSE(sc)) { 5035 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 5036 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 5037 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 5038 } 5039 tulip_reset(sc); 5040 tulip_init(sc); 5041 } 5042 5043 TULIP_PERFEND(ifwatchdog); 5044 TULIP_PERFMERGE(sc, perf_intr_cycles); 5045 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 5046 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 5047 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 5048 TULIP_PERFMERGE(sc, perf_timeout_cycles); 5049 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 5050 TULIP_PERFMERGE(sc, perf_txput_cycles); 5051 TULIP_PERFMERGE(sc, perf_txintr_cycles); 5052 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 5053 TULIP_PERFMERGE(sc, perf_rxget_cycles); 5054 TULIP_PERFMERGE(sc, perf_intr); 5055 TULIP_PERFMERGE(sc, perf_ifstart); 5056 TULIP_PERFMERGE(sc, perf_ifioctl); 5057 TULIP_PERFMERGE(sc, perf_ifwatchdog); 5058 TULIP_PERFMERGE(sc, perf_timeout); 5059 TULIP_PERFMERGE(sc, perf_ifstart_one); 5060 TULIP_PERFMERGE(sc, perf_txput); 5061 TULIP_PERFMERGE(sc, perf_txintr); 5062 TULIP_PERFMERGE(sc, perf_rxintr); 5063 TULIP_PERFMERGE(sc, perf_rxget); 5064} 5065 5066#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 5067static ifnet_ret_t 5068tulip_ifwatchdog_wrapper( 5069 int unit) 5070{ 5071 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 5072} 5073#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 5074#endif 5075 5076/* 5077 * All printf's are real as of now! 5078 */ 5079#ifdef printf 5080#undef printf 5081#endif 5082#if !defined(IFF_NOTRAILERS) 5083#define IFF_NOTRAILERS 0 5084#endif 5085 5086static void 5087tulip_attach( 5088 tulip_softc_t * const sc) 5089{ 5090 struct ifnet * const ifp = &sc->tulip_if; 5091 5092 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 5093 ifp->if_ioctl = tulip_ifioctl; 5094 ifp->if_start = tulip_ifstart; 5095 ifp->if_watchdog = tulip_ifwatchdog; 5096 ifp->if_timer = 1; 5097#if (!defined(__bsdi__) || _BSDI_VERSION < 199401) && !defined(__NetBSD__) 5098 ifp->if_output = ether_output; 5099#endif 5100#if defined(__bsdi__) && _BSDI_VERSION < 199401 5101 ifp->if_mtu = ETHERMTU; 5102#endif 5103 5104#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5105 aprint_naive(": DEC Ethernet"); 5106 aprint_normal(": %s%s", sc->tulip_boardid, 5107 tulip_chipdescs[sc->tulip_chipid]); 5108 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 5109 sc->tulip_revinfo & 0x0F); 5110 printf("\n"); 5111 sc->tulip_pf = aprint_normal; 5112 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5113 TULIP_PRINTF_ARGS, 5114 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5115#else 5116 printf( 5117#if defined(__bsdi__) 5118 "\n" 5119#endif 5120 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", 5121 TULIP_PRINTF_ARGS, 5122 sc->tulip_boardid, 5123 tulip_chipdescs[sc->tulip_chipid], 5124 (sc->tulip_revinfo & 0xF0) >> 4, 5125 sc->tulip_revinfo & 0x0F, 5126 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 5127 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 5128 printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5129 TULIP_PRINTF_ARGS, 5130 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5131#endif 5132 5133#if defined(__alpha__) 5134 /* 5135 * In case the SRM console told us about a bogus media, 5136 * we need to check to be safe. 5137 */ 5138 if (sc->tulip_mediums[sc->tulip_media] == NULL) 5139 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 5140#endif 5141 5142 (*sc->tulip_boardsw->bd_media_probe)(sc); 5143#if defined(IFM_ETHER) 5144 ifmedia_init(&sc->tulip_ifmedia, 0, 5145 tulip_ifmedia_change, 5146 tulip_ifmedia_status); 5147#else 5148 { 5149 tulip_media_t media; 5150 int cnt; 5151 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 5152 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 5153 if (sc->tulip_mediums[media] != NULL) { 5154 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 5155 cnt++; 5156 } 5157 } 5158 if (cnt == 1) { 5159 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 5160 printf(" none\n"); 5161 } else { 5162 printf("\n"); 5163 } 5164 } 5165#endif 5166 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 5167#if defined(IFM_ETHER) 5168 tulip_ifmedia_add(sc); 5169#endif 5170 5171 tulip_reset(sc); 5172 5173#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5174 sc->tulip_pf = printf; 5175 TULIP_ETHER_IFATTACH(sc); 5176#else 5177 if_attach(ifp); 5178#if defined(__FreeBSD__) 5179 ifp->if_snd.ifq_maxlen = ifqmaxlen; 5180#endif 5181#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 5182 TULIP_ETHER_IFATTACH(sc); 5183#endif 5184#endif /* __bsdi__ */ 5185 5186#if NBPF > 0 5187 TULIP_BPF_ATTACH(sc); 5188#endif 5189 5190#if defined(__NetBSD__) && NRND > 0 5191 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 5192 RND_TYPE_NET, 0); 5193#endif 5194} 5195 5196#if defined(TULIP_BUS_DMA) 5197#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 5198static int 5199tulip_busdma_allocmem( 5200 tulip_softc_t * const sc, 5201 size_t size, 5202 bus_dmamap_t *map_p, 5203 tulip_desc_t **desc_p) 5204{ 5205 bus_dma_segment_t segs[1]; 5206 int nsegs, error; 5207 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, CLBYTES, 5208 segs, sizeof(segs)/sizeof(segs[0]), 5209 &nsegs, BUS_DMA_NOWAIT); 5210 if (error == 0) { 5211 void *desc; 5212 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 5213 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 5214 if (error == 0) { 5215 bus_dmamap_t map; 5216 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 5217 BUS_DMA_NOWAIT, &map); 5218 if (error == 0) { 5219 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 5220 size, NULL, BUS_DMA_NOWAIT); 5221 if (error) 5222 bus_dmamap_destroy(sc->tulip_dmatag, map); 5223 else 5224 *map_p = map; 5225 } 5226 if (error) 5227 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 5228 } 5229 if (error) 5230 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 5231 else 5232 *desc_p = desc; 5233 } 5234 return error; 5235} 5236#endif 5237 5238static int 5239tulip_busdma_init( 5240 tulip_softc_t * const sc) 5241{ 5242 int error = 0; 5243 5244#if !defined(TULIP_BUS_DMA_NOTX) 5245 /* 5246 * Allocate dmamap for setup descriptor 5247 */ 5248 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 5249 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 5250 &sc->tulip_setupmap); 5251 if (error == 0) { 5252 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 5253 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 5254 NULL, BUS_DMA_NOWAIT); 5255 if (error) 5256 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 5257 } 5258 /* 5259 * Allocate space and dmamap for transmit ring 5260 */ 5261 if (error == 0) { 5262 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 5263 &sc->tulip_txdescmap, 5264 &sc->tulip_txdescs); 5265 } 5266 5267 /* 5268 * Allocate dmamaps for each transmit descriptors 5269 */ 5270 if (error == 0) { 5271 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 5272 bus_dmamap_t map; 5273 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 5274 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 5275 } 5276 if (error) { 5277 while (sc->tulip_txmaps_free > 0) 5278 bus_dmamap_destroy(sc->tulip_dmatag, 5279 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 5280 } 5281 } 5282#else 5283 if (error == 0) { 5284 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5285 if (sc->tulip_txdescs == NULL) 5286 error = ENOMEM; 5287 } 5288#endif 5289#if !defined(TULIP_BUS_DMA_NORX) 5290 /* 5291 * Allocate space and dmamap for receive ring 5292 */ 5293 if (error == 0) { 5294 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5295 &sc->tulip_rxdescmap, 5296 &sc->tulip_rxdescs); 5297 } 5298 5299 /* 5300 * Allocate dmamaps for each receive descriptors 5301 */ 5302 if (error == 0) { 5303 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5304 bus_dmamap_t map; 5305 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5306 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5307 } 5308 if (error) { 5309 while (sc->tulip_rxmaps_free > 0) 5310 bus_dmamap_destroy(sc->tulip_dmatag, 5311 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5312 } 5313 } 5314#else 5315 if (error == 0) { 5316 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5317 if (sc->tulip_rxdescs == NULL) 5318 error = ENOMEM; 5319 } 5320#endif 5321 return error; 5322} 5323#endif /* TULIP_BUS_DMA */ 5324 5325static void 5326tulip_initcsrs( 5327 tulip_softc_t * const sc, 5328 tulip_csrptr_t csr_base, 5329 size_t csr_size) 5330{ 5331 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5332 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5333 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5334 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5335 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5336 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5337 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5338 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5339 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5340 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5341 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5342 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5343 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5344 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5345 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5346 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5347#if defined(TULIP_EISA) 5348 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 5349#endif 5350} 5351 5352static void 5353tulip_initring( 5354 tulip_softc_t * const sc, 5355 tulip_ringinfo_t * const ri, 5356 tulip_desc_t *descs, 5357 int ndescs) 5358{ 5359 ri->ri_max = ndescs; 5360 ri->ri_first = descs; 5361 ri->ri_last = ri->ri_first + ri->ri_max; 5362 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5363 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5364} 5365 5366/* 5367 * This is the PCI configuration support. Since the 21040 is available 5368 * on both EISA and PCI boards, one must be careful in how defines the 5369 * 21040 in the config file. 5370 */ 5371 5372#define PCI_CFID 0x00 /* Configuration ID */ 5373#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 5374#define PCI_CFRV 0x08 /* Configuration Revision */ 5375#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 5376#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5377#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5378#define PCI_CFIT 0x3c /* Configuration Interrupt */ 5379#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5380 5381#if defined(TULIP_EISA) 5382static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5383#endif 5384 5385#if defined(__FreeBSD__) 5386 5387#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5388#define TULIP_SHUTDOWN_ARGS int howto, void * arg 5389 5390#if defined(TULIP_DEVCONF) 5391static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5392 5393static int 5394tulip_pci_shutdown( 5395 struct kern_devconf * const kdc, 5396 int force) 5397{ 5398 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5399 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5400 if (sc != NULL) 5401 tulip_shutdown(0, sc); 5402 } 5403 (void) dev_detach(kdc); 5404 return 0; 5405} 5406#endif 5407 5408static const char* 5409tulip_pci_probe( 5410 pcici_t config_id, 5411 pcidi_t device_id) 5412{ 5413 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5414 return NULL; 5415 if (PCI_CHIPID(device_id) == CHIPID_21040) 5416 return "Digital 21040 Ethernet"; 5417 if (PCI_CHIPID(device_id) == CHIPID_21041) 5418 return "Digital 21041 Ethernet"; 5419 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5420 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5421 if (revinfo >= 0x20) 5422 return "Digital 21140A Fast Ethernet"; 5423 else 5424 return "Digital 21140 Fast Ethernet"; 5425 } 5426 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5427 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5428 if (revinfo >= 0x20) 5429 return "Digital 21143 Fast Ethernet"; 5430 else 5431 return "Digital 21142 Fast Ethernet"; 5432 } 5433 return NULL; 5434} 5435 5436static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5437static u_long tulip_pci_count; 5438 5439static struct pci_device dedevice = { 5440 "de", 5441 tulip_pci_probe, 5442 tulip_pci_attach, 5443 &tulip_pci_count, 5444#if defined(TULIP_DEVCONF) 5445 tulip_pci_shutdown, 5446#endif 5447}; 5448 5449COMPAT_PCI_DRIVER(de, dedevice); 5450#endif /* __FreeBSD__ */ 5451 5452#if defined(__bsdi__) 5453#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5454#define TULIP_SHUTDOWN_ARGS void *arg 5455 5456static int 5457tulip_pci_match( 5458 pci_devaddr_t *pa) 5459{ 5460 int irq; 5461 unsigned id; 5462 5463 id = pci_inl(pa, PCI_VENDOR_ID); 5464 if (PCI_VENDORID(id) != DEC_VENDORID) 5465 return 0; 5466 id = PCI_CHIPID(id); 5467 if (id != CHIPID_21040 && id != CHIPID_21041 5468 && id != CHIPID_21140 && id != CHIPID_21142) 5469 return 0; 5470 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5471 if (irq == 0 || irq >= 16) { 5472 printf("de?: invalid IRQ %d; skipping\n", irq); 5473 return 0; 5474 } 5475 return 1; 5476} 5477 5478static int 5479tulip_probe( 5480 struct device *parent, 5481 struct cfdata *cf, 5482 void *aux) 5483{ 5484 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5485 unsigned irq, slot; 5486 pci_devaddr_t *pa; 5487 5488#if _BSDI_VERSION >= 199401 5489 switch (ia->ia_bustype) { 5490 case BUS_PCI: 5491#endif 5492 pa = pci_scan(tulip_pci_match); 5493 if (pa == NULL) 5494 return 0; 5495 5496 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5497 5498 /* Get the base address; assume the BIOS set it up correctly */ 5499#if defined(TULIP_IOMAPPED) 5500 ia->ia_maddr = NULL; 5501 ia->ia_msize = 0; 5502 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5503 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5504 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5505 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5506 5507 /* Disable memory space access */ 5508 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5509#else 5510 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5511 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5512 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5513 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5514 ia->ia_iobase = 0; 5515 ia->ia_iosize = 0; 5516 5517 /* Disable I/O space access */ 5518 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5519#endif /* TULIP_IOMAPPED */ 5520 5521 ia->ia_aux = (void *) pa; 5522#if _BSDI_VERSION >= 199401 5523 break; 5524 5525#if defined(TULIP_EISA) 5526 case BUS_EISA: { 5527 unsigned tmp; 5528 5529 if ((slot = eisa_match(cf, ia)) == 0) 5530 return 0; 5531 ia->ia_iobase = slot << 12; 5532 ia->ia_iosize = EISA_NPORT; 5533 eisa_slotalloc(slot); 5534 tmp = inb(ia->ia_iobase + DE425_CFG0); 5535 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5536 /* 5537 * Until BSD/OS likes level interrupts, force 5538 * the DE425 into edge-triggered mode. 5539 */ 5540 if ((tmp & 1) == 0) 5541 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5542 /* 5543 * CBIO needs to map to the EISA slot 5544 * enable I/O access and Master 5545 */ 5546 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5547 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5548 ia->ia_aux = NULL; 5549 break; 5550 } 5551#endif /* TULIP_EISA */ 5552 default: 5553 return 0; 5554 } 5555#endif 5556 5557 /* PCI bus masters don't use host DMA channels */ 5558 ia->ia_drq = DRQNONE; 5559 5560 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5561 printf("de%d: error: desired IRQ of %d does not match device's " 5562 "actual IRQ of %d,\n", 5563 cf->cf_unit, 5564 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5565 return 0; 5566 } 5567 if (ia->ia_irq == IRQUNK) 5568 ia->ia_irq = irq; 5569#ifdef IRQSHARE 5570 ia->ia_irq |= IRQSHARE; 5571#endif 5572 return 1; 5573} 5574 5575static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5576 5577#if defined(TULIP_EISA) 5578static char *tulip_eisa_ids[] = { 5579 "DEC4250", 5580 NULL 5581}; 5582#endif 5583 5584struct cfdriver decd = { 5585 0, "de", tulip_probe, tulip_pci_attach, 5586#if _BSDI_VERSION >= 199401 5587 DV_IFNET, 5588#endif 5589 sizeof(tulip_softc_t), 5590#if defined(TULIP_EISA) 5591 tulip_eisa_ids 5592#endif 5593}; 5594 5595#endif /* __bsdi__ */ 5596 5597#if defined(__NetBSD__) 5598#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5599#define TULIP_SHUTDOWN_ARGS void *arg 5600static int 5601tulip_pci_probe( 5602 struct device *parent, 5603 struct cfdata *match, 5604 void *aux) 5605{ 5606 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5607 5608 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5609 return 0; 5610 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5611 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5612 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5613 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5614 return 1; 5615 5616 return 0; 5617} 5618 5619static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5620 5621struct cfattach de_ca = { 5622 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5623}; 5624 5625#endif /* __NetBSD__ */ 5626 5627static void 5628tulip_shutdown( 5629 TULIP_SHUTDOWN_ARGS) 5630{ 5631 tulip_softc_t * const sc = arg; 5632 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5633 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5634 33MHz that comes to two microseconds but wait a 5635 bit longer anyways) */ 5636} 5637 5638static void 5639tulip_pci_attach( 5640 TULIP_PCI_ATTACH_ARGS) 5641{ 5642#if defined(__FreeBSD__) 5643 tulip_softc_t *sc; 5644#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5645#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5646#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = (config_id->bus), /* XXX */ \ 5647 (sc)->tulip_pci_devno = (config_id->slot))) /* XXX */ 5648#endif 5649#if defined(__bsdi__) 5650 tulip_softc_t * const sc = (tulip_softc_t *) self; 5651 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5652 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5653 const int unit = sc->tulip_dev.dv_unit; 5654#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5655#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5656#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5657 (sc)->tulip_pci_devno = pa->d_agent)) 5658#endif 5659#if defined(__NetBSD__) 5660 tulip_softc_t * const sc = (tulip_softc_t *) self; 5661 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5662 const int unit = sc->tulip_dev.dv_unit; 5663#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5664#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5665#define PCI_GETBUSDEVINFO(sc) do { \ 5666 (sc)->tulip_pci_busno = parent; \ 5667 (sc)->tulip_pci_devno = pa->pa_device; \ 5668 } while (0) 5669#endif /* __NetBSD__ */ 5670#if defined(__alpha__) 5671 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5672#endif 5673 int retval, idx; 5674 u_int32_t revinfo, cfdainfo, id; 5675#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5676 vm_offset_t pa_csrs; 5677#endif 5678 unsigned csroffset = TULIP_PCI_CSROFFSET; 5679 unsigned csrsize = TULIP_PCI_CSRSIZE; 5680 tulip_csrptr_t csr_base; 5681 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5682 5683 if (unit >= TULIP_MAX_DEVICES) { 5684#ifdef __FreeBSD__ 5685 printf("de%d", unit); 5686#endif 5687 printf(": not configured; limit of %d reached or exceeded\n", 5688 TULIP_MAX_DEVICES); 5689 return; 5690 } 5691 5692#if defined(__bsdi__) 5693 if (pa != NULL) { 5694 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5695 id = pci_inl(pa, PCI_CFID); 5696 cfdainfo = pci_inl(pa, PCI_CFDA); 5697#if defined(TULIP_EISA) 5698 } else { 5699 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5700 csroffset = TULIP_EISA_CSROFFSET; 5701 csrsize = TULIP_EISA_CSRSIZE; 5702 chipid = TULIP_DE425; 5703 cfdainfo = 0; 5704#endif /* TULIP_EISA */ 5705 } 5706#else /* __bsdi__ */ 5707 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5708 id = PCI_CONF_READ(PCI_CFID); 5709 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5710#endif /* __bsdi__ */ 5711 5712 if (PCI_VENDORID(id) == DEC_VENDORID) { 5713 if (PCI_CHIPID(id) == CHIPID_21040) 5714 chipid = TULIP_21040; 5715 else if (PCI_CHIPID(id) == CHIPID_21041) 5716 chipid = TULIP_21041; 5717 else if (PCI_CHIPID(id) == CHIPID_21140) 5718 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5719 else if (PCI_CHIPID(id) == CHIPID_21142) 5720 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5721 } 5722 if (chipid == TULIP_CHIPID_UNKNOWN) 5723 return; 5724 5725 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5726#ifdef __FreeBSD__ 5727 printf("de%d", unit); 5728#endif 5729 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5730 revinfo >> 4, revinfo & 0x0f); 5731 return; 5732 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5733#ifndef __FreeBSD__ 5734 printf("\n"); 5735#endif 5736 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5737 unit, revinfo >> 4, revinfo & 0x0f); 5738 return; 5739 } 5740 5741#if defined(__FreeBSD__) 5742 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5743 if (sc == NULL) 5744 return; 5745 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5746#endif 5747 5748 PCI_GETBUSDEVINFO(sc); 5749 sc->tulip_chipid = chipid; 5750 sc->tulip_flags |= TULIP_DEVICEPROBE; 5751 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5752 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5753 if (chipid == TULIP_21140A && revinfo <= 0x22) 5754 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5755 if (chipid == TULIP_21140) 5756 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5757 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5758 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5759 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5760 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5761 if (chipid != TULIP_21041 || revinfo >= 0x20) 5762 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5763 if (chipid != TULIP_21041) 5764 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5765 if (chipid != TULIP_21041 && revinfo >= 0x20) 5766 sc->tulip_features |= TULIP_HAVE_SIA100; 5767 } 5768 5769 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5770 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5771 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5772 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5773 DELAY(11*1000); 5774 } 5775#if defined(__alpha__) 5776 /* 5777 * The Alpha SRM console encodes a console set media in the driver 5778 * part of the CFDA register. Note that the Multia presents a 5779 * problem in that its BNC mode is really EXTSIA. So in that case 5780 * force a probe. 5781 */ 5782 switch ((cfdainfo >> 8) & 0xff) { 5783 case 1: media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5784 case 2: media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5785 case 3: media = TULIP_MEDIA_10BASET; break; 5786 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5787 case 5: media = TULIP_MEDIA_100BASETX; break; 5788 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5789 default: media = TULIP_MEDIA_UNKNOWN; break; 5790 } 5791#endif 5792 5793#if defined(__NetBSD__) 5794 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5795 sc->tulip_if.if_softc = sc; 5796 sc->tulip_pc = pa->pa_pc; 5797#if defined(TULIP_BUS_DMA) 5798 sc->tulip_dmatag = pa->pa_dmat; 5799#endif 5800#else 5801 sc->tulip_unit = unit; 5802 sc->tulip_name = "de"; 5803#endif 5804 sc->tulip_revinfo = revinfo; 5805#if defined(__FreeBSD__) 5806#if BSD >= 199506 5807 sc->tulip_if.if_softc = sc; 5808#endif 5809#if defined(TULIP_IOMAPPED) 5810 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5811#else 5812 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5813#endif 5814 if (!retval) { 5815 free((caddr_t) sc, M_DEVBUF); 5816 return; 5817 } 5818 tulips[unit] = sc; 5819#endif /* __FreeBSD__ */ 5820 5821#if defined(__bsdi__) 5822 sc->tulip_pf = printf; 5823#if defined(TULIP_IOMAPPED) 5824 csr_base = ia->ia_iobase; 5825#else 5826 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5827#endif 5828#endif /* __bsdi__ */ 5829 5830#if defined(__NetBSD__) 5831 csr_base = 0; 5832 { 5833 bus_space_tag_t iot, memt; 5834 bus_space_handle_t ioh, memh; 5835 int ioh_valid, memh_valid; 5836 5837 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5838 &iot, &ioh, NULL, NULL) == 0); 5839 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5840 PCI_MAPREG_TYPE_MEM | 5841 PCI_MAPREG_MEM_TYPE_32BIT, 5842 0, &memt, &memh, NULL, NULL) == 0); 5843 if (memh_valid) { 5844 sc->tulip_bustag = memt; 5845 sc->tulip_bushandle = memh; 5846 } else if (ioh_valid) { 5847 sc->tulip_bustag = iot; 5848 sc->tulip_bushandle = ioh; 5849 } else { 5850 printf(": unable to map device registers\n"); 5851 return; 5852 } 5853 5854 /* Make sure bus mastering is enabled. */ 5855 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 5856 pci_conf_read(pa->pa_pc, pa->pa_tag, 5857 PCI_COMMAND_STATUS_REG) | 5858 PCI_COMMAND_MASTER_ENABLE); 5859 } 5860#endif /* __NetBSD__ */ 5861 5862 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5863 5864#if defined(TULIP_BUS_DMA) 5865 if ((retval = tulip_busdma_init(sc)) != 0) { 5866 printf("error initing bus_dma: %d\n", retval); 5867 return; 5868 } 5869#else 5870#if defined(__FreeBSD__) 5871 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5872 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5873 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5874 printf("malloc failed\n"); 5875 if (sc->tulip_rxdescs) 5876 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5877 if (sc->tulip_txdescs) 5878 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5879 free((caddr_t) sc, M_DEVBUF); 5880 return; 5881 } 5882#else 5883 sc->tulip_txdescs = (tulip_desc_t *) malloc((TULIP_TXDESCS+TULIP_RXDESCS)*sizeof(tulip_desc_t), M_DEVBUF, M_WAITOK); 5884 sc->tulip_rxdescs = sc->tulip_txdescs + TULIP_TXDESCS; 5885#endif 5886#endif 5887 5888 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5889 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5890 5891 /* 5892 * Make sure there won't be any interrupts or such... 5893 */ 5894 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5895 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5896 33MHz that comes to two microseconds but wait a 5897 bit longer anyways) */ 5898 5899 if ((retval = tulip_read_macaddr(sc)) < 0) { 5900#if defined(__FreeBSD__) 5901 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5902#endif 5903 printf(": can't read ENET ROM (why=%d) (", retval); 5904 for (idx = 0; idx < 32; idx++) 5905 printf("%02x", sc->tulip_rombuf[idx]); 5906 printf("\n"); 5907 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", 5908 TULIP_PRINTF_ARGS, 5909 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5910 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5911 printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); 5912 } else { 5913 tulip_spl_t s; 5914 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5915 5916 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5917 intr_rtn = tulip_intr_shared; 5918 5919#if defined(__NetBSD__) 5920 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5921 pci_intr_handle_t intrhandle; 5922 const char *intrstr; 5923 5924 printf("\n"); 5925 5926 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 5927 pa->pa_intrline, &intrhandle)) { 5928 printf("%s: couldn't map interrupt\n", sc->tulip_dev.dv_xname); 5929 return; 5930 } 5931 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5932 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5933 intr_rtn, sc); 5934 if (sc->tulip_ih == NULL) { 5935 printf("%s: couldn't establish interrupt", 5936 sc->tulip_dev.dv_xname); 5937 if (intrstr != NULL) 5938 printf(" at %s", intrstr); 5939 printf("\n"); 5940 return; 5941 } 5942 printf("%s: interrupting at %s\n", sc->tulip_dev.dv_xname, intrstr); 5943 } 5944 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5945 if (sc->tulip_ats == NULL) 5946 printf("%s: warning: couldn't establish shutdown hook\n", 5947 sc->tulip_xname); 5948#endif 5949#if defined(__FreeBSD__) 5950 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5951 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5952 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5953 TULIP_PRINTF_ARGS); 5954 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5955 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5956 free((caddr_t) sc, M_DEVBUF); 5957 return; 5958 } 5959 } 5960#if !defined(TULIP_DEVCONF) 5961 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5962#endif 5963#endif 5964#if defined(__bsdi__) 5965 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5966 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5967 5968 sc->tulip_ih.ih_fun = intr_rtn; 5969 sc->tulip_ih.ih_arg = (void *) sc; 5970 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5971 } 5972 5973 sc->tulip_ats.func = tulip_shutdown; 5974 sc->tulip_ats.arg = (void *) sc; 5975 atshutdown(&sc->tulip_ats, ATSH_ADD); 5976#endif 5977#if defined(TULIP_USE_SOFTINTR) 5978 if (sc->tulip_unit > tulip_softintr_max_unit) 5979 tulip_softintr_max_unit = sc->tulip_unit; 5980#endif 5981 5982 s = TULIP_RAISESPL(); 5983#if defined(__alpha__) 5984 sc->tulip_media = media; 5985#endif 5986 tulip_attach(sc); 5987#if defined(__alpha__) 5988 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5989 tulip_linkup(sc, media); 5990#endif 5991 TULIP_RESTORESPL(s); 5992 } 5993} 5994