if_de.c revision 48528
1/* $NetBSD: if_de.c,v 1.82 1999/02/28 17:08:51 explorer Exp $ */ 2/* $Id: if_de.c,v 1.106 1999/05/10 14:12:26 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/* In case somebody is trying to run this on an older 2.2 or 3.0 */ 62#ifndef __FreeBSD_version /* defined in sys/param.h on current code */ 63#if __FreeBSD__ >= 3 64#define __FreeBSD_version 300000 65#else 66#define __FreeBSD_version 200000 67#endif 68#endif 69#if __FreeBSD_version >= 300000 70#include "opt_inet.h" 71#include "opt_ipx.h" 72#endif 73#endif 74 75#if defined(__NetBSD__) 76#include "rnd.h" 77#if NRND > 0 78#include <sys/rnd.h> 79#endif 80#endif 81 82#include <net/if.h> 83#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 84#include <net/if_media.h> 85#endif 86#include <net/if_dl.h> 87#ifdef TULIP_USE_SOFTINTR 88#include <net/netisr.h> 89#endif 90 91#if defined(__bsdi__) && _BSDI_VERSION >= 199701 92#include <dev/mii/mii.h> 93#include <dev/mii/miivar.h> 94#endif 95 96#include "bpfilter.h" 97#if NBPFILTER > 0 98#include <net/bpf.h> 99#endif 100 101#ifdef INET 102#include <netinet/in.h> 103#include <netinet/if_ether.h> 104#endif 105 106#ifdef IPX 107#include <netipx/ipx.h> 108#include <netipx/ipx_if.h> 109#endif 110 111#ifdef NS 112#include <netns/ns.h> 113#include <netns/ns_if.h> 114#endif 115 116#include <vm/vm.h> 117 118#if defined(__FreeBSD__) 119#include <net/if_var.h> 120#include <vm/pmap.h> 121#include <pci/pcivar.h> 122#include <pci/dc21040reg.h> 123#define DEVAR_INCLUDE "pci/if_devar.h" 124#include "opt_bdg.h" 125#ifdef BRIDGE 126#include <net/bridge.h> 127#endif 128#endif /* __FreeBSD__ */ 129 130#if defined(__bsdi__) 131#include <netinet/if_ether.h> 132#include <i386/pci/ic/dc21040reg.h> 133#include <i386/isa/isa.h> 134#include <i386/isa/icu.h> 135#include <i386/isa/dma.h> 136#include <i386/isa/isavar.h> 137#include <i386/pci/pci.h> 138#if _BSDI_VERSION < 199510 139#include <eisa.h> 140#else 141#define NEISA 0 142#endif 143#if NEISA > 0 && _BSDI_VERSION >= 199401 144#include <i386/eisa/eisa.h> 145#define TULIP_EISA 146#endif 147#define DEVAR_INCLUDE "i386/pci/if_devar.h" 148#endif /* __bsdi__ */ 149 150#if defined(__NetBSD__) 151#include <net/if_ether.h> 152#if defined(INET) 153#include <netinet/if_inarp.h> 154#endif 155#include <machine/bus.h> 156#include <machine/intr.h> 157#include <dev/pci/pcireg.h> 158#include <dev/pci/pcivar.h> 159#include <dev/ic/dc21040reg.h> 160#define DEVAR_INCLUDE "dev/pci/if_devar.h" 161#endif /* __NetBSD__ */ 162 163/* 164 * Intel CPUs should use I/O mapped access. 165 */ 166#if defined(__i386__) || defined(TULIP_EISA) 167#define TULIP_IOMAPPED 168#endif 169 170#if 0 171/* 172 * This turns on all sort of debugging stuff and make the 173 * driver much larger. 174 */ 175#define TULIP_DEBUG 176#endif 177 178#if 0 179#define TULIP_PERFSTATS 180#endif 181 182#if 0 183#define TULIP_USE_SOFTINTR 184#endif 185 186#define TULIP_HZ 10 187 188#include DEVAR_INCLUDE 189/* 190 * This module supports 191 * the DEC 21040 PCI Ethernet Controller. 192 * the DEC 21041 PCI Ethernet Controller. 193 * the DEC 21140 PCI Fast Ethernet Controller. 194 */ 195static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 196static tulip_intrfunc_t tulip_intr_shared(void *arg); 197static tulip_intrfunc_t tulip_intr_normal(void *arg); 198static void tulip_init(tulip_softc_t * const sc); 199static void tulip_reset(tulip_softc_t * const sc); 200static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 201static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 202static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 203static void tulip_txput_setup(tulip_softc_t * const sc); 204static void tulip_rx_intr(tulip_softc_t * const sc); 205static void tulip_addr_filter(tulip_softc_t * const sc); 206static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 207static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 208static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 209static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 210static int tulip_srom_decode(tulip_softc_t * const sc); 211#if defined(IFM_ETHER) 212static int tulip_ifmedia_change(struct ifnet * const ifp); 213static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 214#endif 215/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 216 217static void 218tulip_timeout_callback( 219 void *arg) 220{ 221 tulip_softc_t * const sc = arg; 222 tulip_spl_t s = TULIP_RAISESPL(); 223 224 TULIP_PERFSTART(timeout) 225 226 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 227 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 228 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 229 230 TULIP_PERFEND(timeout); 231 TULIP_RESTORESPL(s); 232} 233 234static void 235tulip_timeout( 236 tulip_softc_t * const sc) 237{ 238 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 239 return; 240 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 241 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 242} 243 244#if defined(TULIP_NEED_FASTTIMEOUT) 245static void 246tulip_fasttimeout_callback( 247 void *arg) 248{ 249 tulip_softc_t * const sc = arg; 250 tulip_spl_t s = TULIP_RAISESPL(); 251 252 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 253 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 254 TULIP_RESTORESPL(s); 255} 256 257static void 258tulip_fasttimeout( 259 tulip_softc_t * const sc) 260{ 261 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 262 return; 263 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 264 timeout(tulip_fasttimeout_callback, sc, 1); 265} 266#endif 267 268static int 269tulip_txprobe( 270 tulip_softc_t * const sc) 271{ 272 struct mbuf *m; 273 /* 274 * Before we are sure this is the right media we need 275 * to send a small packet to make sure there's carrier. 276 * Strangely, BNC and AUI will "see" receive data if 277 * either is connected so the transmit is the only way 278 * to verify the connectivity. 279 */ 280 MGETHDR(m, M_DONTWAIT, MT_DATA); 281 if (m == NULL) 282 return 0; 283 /* 284 * Construct a LLC TEST message which will point to ourselves. 285 */ 286 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 287 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 288 mtod(m, struct ether_header *)->ether_type = htons(3); 289 mtod(m, unsigned char *)[14] = 0; 290 mtod(m, unsigned char *)[15] = 0; 291 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 292 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 293 /* 294 * send it! 295 */ 296 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 297 sc->tulip_intrmask |= TULIP_STS_TXINTR; 298 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 299 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 300 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 301 if ((m = tulip_txput(sc, m)) != NULL) 302 m_freem(m); 303 sc->tulip_probe.probe_txprobes++; 304 return 1; 305} 306 307#ifdef BIG_PACKET 308#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 309#else 310#define TULIP_SIAGEN_WATCHDOG 0 311#endif 312 313static void 314tulip_media_set( 315 tulip_softc_t * const sc, 316 tulip_media_t media) 317{ 318 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 319 320 if (mi == NULL) 321 return; 322 323 /* 324 * If we are switching media, make sure we don't think there's 325 * any stale RX activity 326 */ 327 sc->tulip_flags &= ~TULIP_RXACT; 328 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 329 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 330 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 331 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 332 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 333 DELAY(50); 334 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 335 } else { 336 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 337 } 338 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 339 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 340#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 341 /* 342 * If the cmdmode bits don't match the currently operating mode, 343 * set the cmdmode appropriately and reset the chip. 344 */ 345 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 346 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 347 sc->tulip_cmdmode |= mi->mi_cmdmode; 348 tulip_reset(sc); 349 } 350 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 351 DELAY(10); 352 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 353 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 354 /* 355 * If the cmdmode bits don't match the currently operating mode, 356 * set the cmdmode appropriately and reset the chip. 357 */ 358 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 359 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 360 sc->tulip_cmdmode |= mi->mi_cmdmode; 361 tulip_reset(sc); 362 } 363 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 364 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 365 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 366 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 367 int idx; 368 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 369 const u_int8_t *dp; 370 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 371 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 372 DELAY(10); 373 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 374 } 375 sc->tulip_phyaddr = mi->mi_phyaddr; 376 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 377 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 378 DELAY(10); 379 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 380 } 381 } else { 382 for (idx = 0; idx < mi->mi_reset_length; idx++) { 383 DELAY(10); 384 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 385 } 386 sc->tulip_phyaddr = mi->mi_phyaddr; 387 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 388 DELAY(10); 389 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 390 } 391 } 392 if (sc->tulip_flags & TULIP_TRYNWAY) { 393 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 394 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 395 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 396 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 397 sc->tulip_flags &= ~TULIP_DIDNWAY; 398 if (TULIP_IS_MEDIA_FD(media)) 399 data |= PHYCTL_FULL_DUPLEX; 400 if (TULIP_IS_MEDIA_100MB(media)) 401 data |= PHYCTL_SELECT_100MB; 402 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 403 } 404 } 405} 406 407static void 408tulip_linkup( 409 tulip_softc_t * const sc, 410 tulip_media_t media) 411{ 412 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 413 sc->tulip_flags |= TULIP_PRINTLINKUP; 414 sc->tulip_flags |= TULIP_LINKUP; 415 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 416#if 0 /* XXX how does with work with ifmedia? */ 417 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 418 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 419 if (TULIP_CAN_MEDIA_FD(media) 420 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 421 media = TULIP_FD_MEDIA_OF(media); 422 } else { 423 if (TULIP_IS_MEDIA_FD(media) 424 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 425 media = TULIP_HD_MEDIA_OF(media); 426 } 427 } 428#endif 429 if (sc->tulip_media != media) { 430#ifdef TULIP_DEBUG 431 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 432#endif 433 sc->tulip_media = media; 434 sc->tulip_flags |= TULIP_PRINTMEDIA; 435 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 436 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 437 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 438 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 439 } 440 } 441 /* 442 * We could set probe_timeout to 0 but setting to 3000 puts this 443 * in one central place and the only matters is tulip_link is 444 * followed by a tulip_timeout. Therefore setting it should not 445 * result in aberrant behavour. 446 */ 447 sc->tulip_probe_timeout = 3000; 448 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 449 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 450 if (sc->tulip_flags & TULIP_INRESET) { 451 tulip_media_set(sc, sc->tulip_media); 452 } else if (sc->tulip_probe_media != sc->tulip_media) { 453 /* 454 * No reason to change media if we have the right media. 455 */ 456 tulip_reset(sc); 457 } 458 tulip_init(sc); 459} 460 461static void 462tulip_media_print( 463 tulip_softc_t * const sc) 464{ 465 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 466 return; 467 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 468 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 469 TULIP_PRINTF_ARGS, 470 tulip_mediums[sc->tulip_media]); 471 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 472 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 473 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 474 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 475 } 476} 477 478#if defined(TULIP_DO_GPR_SENSE) 479static tulip_media_t 480tulip_21140_gpr_media_sense( 481 tulip_softc_t * const sc) 482{ 483 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 484 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 485 tulip_media_t media; 486 487 /* 488 * If one of the media blocks contained a default media flag, 489 * use that. 490 */ 491 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 492 const tulip_media_info_t *mi; 493 /* 494 * Media is not supported (or is full-duplex). 495 */ 496 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 497 continue; 498 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 499 continue; 500 501 /* 502 * Remember the media is this is the "default" media. 503 */ 504 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 505 maybe_media = media; 506 507 /* 508 * No activity mask? Can't see if it is active if there's no mask. 509 */ 510 if (mi->mi_actmask == 0) 511 continue; 512 513 /* 514 * Does the activity data match? 515 */ 516 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 517 continue; 518 519#if defined(TULIP_DEBUG) 520 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 521 TULIP_PRINTF_ARGS, tulip_mediums[media], 522 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 523 mi->mi_actmask, mi->mi_actdata); 524#endif 525 /* 526 * It does! If this is the first media we detected, then 527 * remember this media. If isn't the first, then there were 528 * multiple matches which we equate to no match (since we don't 529 * which to select (if any). 530 */ 531 if (last_media == TULIP_MEDIA_UNKNOWN) { 532 last_media = media; 533 } else if (last_media != media) { 534 last_media = TULIP_MEDIA_UNKNOWN; 535 } 536 } 537 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 538} 539#endif /* TULIP_DO_GPR_SENSE */ 540 541static tulip_link_status_t 542tulip_media_link_monitor( 543 tulip_softc_t * const sc) 544{ 545 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 546 tulip_link_status_t linkup = TULIP_LINK_DOWN; 547 548 if (mi == NULL) { 549#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 550 panic("tulip_media_link_monitor: %s: botch at line %d\n", 551 tulip_mediums[sc->tulip_media],__LINE__); 552#endif 553 return TULIP_LINK_UNKNOWN; 554 } 555 556 557 /* 558 * Have we seen some packets? If so, the link must be good. 559 */ 560 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 561 sc->tulip_flags &= ~TULIP_RXACT; 562 sc->tulip_probe_timeout = 3000; 563 return TULIP_LINK_UP; 564 } 565 566 sc->tulip_flags &= ~TULIP_RXACT; 567 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 568 u_int32_t status; 569 /* 570 * Read the PHY status register. 571 */ 572 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 573 if (status & PHYSTS_AUTONEG_DONE) { 574 /* 575 * If the PHY has completed autonegotiation, see the if the 576 * remote systems abilities have changed. If so, upgrade or 577 * downgrade as appropriate. 578 */ 579 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 580 abilities = (abilities << 6) & status; 581 if (abilities != sc->tulip_abilities) { 582#if defined(TULIP_DEBUG) 583 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 584 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 585 sc->tulip_abilities, abilities); 586#endif 587 if (tulip_mii_map_abilities(sc, abilities)) { 588 tulip_linkup(sc, sc->tulip_probe_media); 589 return TULIP_LINK_UP; 590 } 591 /* 592 * if we had selected media because of autonegotiation, 593 * we need to probe for the new media. 594 */ 595 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 596 if (sc->tulip_flags & TULIP_DIDNWAY) 597 return TULIP_LINK_DOWN; 598 } 599 } 600 /* 601 * The link is now up. If was down, say its back up. 602 */ 603 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 604 linkup = TULIP_LINK_UP; 605 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 606 /* 607 * No activity sensor? Assume all's well. 608 */ 609 if (mi->mi_actmask == 0) 610 return TULIP_LINK_UNKNOWN; 611 /* 612 * Does the activity data match? 613 */ 614 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 615 linkup = TULIP_LINK_UP; 616 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 617 /* 618 * Assume non TP ok for now. 619 */ 620 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 621 return TULIP_LINK_UNKNOWN; 622 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 623 linkup = TULIP_LINK_UP; 624#if defined(TULIP_DEBUG) 625 if (sc->tulip_probe_timeout <= 0) 626 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 627#endif 628 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 629 return TULIP_LINK_UNKNOWN; 630 } 631 /* 632 * We will wait for 3 seconds until the link goes into suspect mode. 633 */ 634 if (sc->tulip_flags & TULIP_LINKUP) { 635 if (linkup == TULIP_LINK_UP) 636 sc->tulip_probe_timeout = 3000; 637 if (sc->tulip_probe_timeout > 0) 638 return TULIP_LINK_UP; 639 640 sc->tulip_flags &= ~TULIP_LINKUP; 641 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 642 } 643#if defined(TULIP_DEBUG) 644 sc->tulip_dbg.dbg_link_downed++; 645#endif 646 return TULIP_LINK_DOWN; 647} 648 649static void 650tulip_media_poll( 651 tulip_softc_t * const sc, 652 tulip_mediapoll_event_t event) 653{ 654#if defined(TULIP_DEBUG) 655 sc->tulip_dbg.dbg_events[event]++; 656#endif 657 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 658 && event == TULIP_MEDIAPOLL_TIMER) { 659 switch (tulip_media_link_monitor(sc)) { 660 case TULIP_LINK_DOWN: { 661 /* 662 * Link Monitor failed. Probe for new media. 663 */ 664 event = TULIP_MEDIAPOLL_LINKFAIL; 665 break; 666 } 667 case TULIP_LINK_UP: { 668 /* 669 * Check again soon. 670 */ 671 tulip_timeout(sc); 672 return; 673 } 674 case TULIP_LINK_UNKNOWN: { 675 /* 676 * We can't tell so don't bother. 677 */ 678 return; 679 } 680 } 681 } 682 683 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 684 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 685 if (TULIP_DO_AUTOSENSE(sc)) { 686#if defined(TULIP_DEBUG) 687 sc->tulip_dbg.dbg_link_failures++; 688#endif 689 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 690 if (sc->tulip_if.if_flags & IFF_UP) 691 tulip_reset(sc); /* restart probe */ 692 } 693 return; 694 } 695#if defined(TULIP_DEBUG) 696 sc->tulip_dbg.dbg_link_pollintrs++; 697#endif 698 } 699 700 if (event == TULIP_MEDIAPOLL_START) { 701 sc->tulip_if.if_flags |= IFF_OACTIVE; 702 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 703 return; 704 sc->tulip_probe_mediamask = 0; 705 sc->tulip_probe_passes = 0; 706#if defined(TULIP_DEBUG) 707 sc->tulip_dbg.dbg_media_probes++; 708#endif 709 /* 710 * If the SROM contained an explicit media to use, use it. 711 */ 712 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 713 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 714 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 715 /* 716 * connidx is defaulted to a media_unknown type. 717 */ 718 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 719 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 720 tulip_linkup(sc, sc->tulip_probe_media); 721 tulip_timeout(sc); 722 return; 723 } 724 725 if (sc->tulip_features & TULIP_HAVE_GPR) { 726 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 727 sc->tulip_probe_timeout = 2000; 728 } else { 729 sc->tulip_probe_media = TULIP_MEDIA_MAX; 730 sc->tulip_probe_timeout = 0; 731 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 732 } 733 } 734 735 /* 736 * Ignore txprobe failures or spurious callbacks. 737 */ 738 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 739 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 740 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 741 return; 742 } 743 744 /* 745 * If we really transmitted a packet, then that's the media we'll use. 746 */ 747 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 748 if (event == TULIP_MEDIAPOLL_LINKPASS) { 749 /* XXX Check media status just to be sure */ 750 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 751#if defined(TULIP_DEBUG) 752 } else { 753 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 754#endif 755 } 756 tulip_linkup(sc, sc->tulip_probe_media); 757 tulip_timeout(sc); 758 return; 759 } 760 761 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 762#if defined(TULIP_DO_GPR_SENSE) 763 /* 764 * Check for media via the general purpose register. 765 * 766 * Try to sense the media via the GPR. If the same value 767 * occurs 3 times in a row then just use that. 768 */ 769 if (sc->tulip_probe_timeout > 0) { 770 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 771#if defined(TULIP_DEBUG) 772 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 773 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 774#endif 775 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 776 if (new_probe_media == sc->tulip_probe_media) { 777 if (--sc->tulip_probe_count == 0) 778 tulip_linkup(sc, sc->tulip_probe_media); 779 } else { 780 sc->tulip_probe_count = 10; 781 } 782 } 783 sc->tulip_probe_media = new_probe_media; 784 tulip_timeout(sc); 785 return; 786 } 787#endif /* TULIP_DO_GPR_SENSE */ 788 /* 789 * Brute force. We cycle through each of the media types 790 * and try to transmit a packet. 791 */ 792 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 793 sc->tulip_probe_media = TULIP_MEDIA_MAX; 794 sc->tulip_probe_timeout = 0; 795 tulip_timeout(sc); 796 return; 797 } 798 799 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 800 && (sc->tulip_features & TULIP_HAVE_MII)) { 801 tulip_media_t old_media = sc->tulip_probe_media; 802 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 803 switch (sc->tulip_probe_state) { 804 case TULIP_PROBE_FAILED: 805 case TULIP_PROBE_MEDIATEST: { 806 /* 807 * Try the next media. 808 */ 809 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 810 sc->tulip_probe_timeout = 0; 811#ifdef notyet 812 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 813 break; 814 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 815 break; 816 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 817#endif 818 break; 819 } 820 case TULIP_PROBE_PHYAUTONEG: { 821 return; 822 } 823 case TULIP_PROBE_INACTIVE: { 824 /* 825 * Only probe if we autonegotiated a media that hasn't failed. 826 */ 827 sc->tulip_probe_timeout = 0; 828 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 829 sc->tulip_probe_media = old_media; 830 break; 831 } 832 tulip_linkup(sc, sc->tulip_probe_media); 833 tulip_timeout(sc); 834 return; 835 } 836 default: { 837#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 838 panic("tulip_media_poll: botch at line %d\n", __LINE__); 839#endif 840 break; 841 } 842 } 843 } 844 845 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 846#if defined(TULIP_DEBUG) 847 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 848#endif 849 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 850 return; 851 } 852 853 /* 854 * switch to another media if we tried this one enough. 855 */ 856 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 857#if defined(TULIP_DEBUG) 858 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 859 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 860 TULIP_PRINTF_ARGS); 861 sc->tulip_probe_media = TULIP_MEDIA_MAX; 862 } 863#endif 864 /* 865 * Find the next media type to check for. Full Duplex 866 * types are not allowed. 867 */ 868 do { 869 sc->tulip_probe_media -= 1; 870 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 871 if (++sc->tulip_probe_passes == 3) { 872 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 873 TULIP_PRINTF_ARGS); 874 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 875 sc->tulip_if.if_flags &= ~IFF_RUNNING; 876 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 877 return; 878 } 879 } 880 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 881 sc->tulip_probe_mediamask = 0; 882 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 883 } 884 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 885 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 886 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 887 888#if defined(TULIP_DEBUG) 889 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 890 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 891 tulip_mediums[sc->tulip_probe_media]); 892#endif 893 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 894 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 895 sc->tulip_probe.probe_txprobes = 0; 896 tulip_reset(sc); 897 tulip_media_set(sc, sc->tulip_probe_media); 898 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 899 } 900 tulip_timeout(sc); 901 902 /* 903 * If this is hanging off a phy, we know are doing NWAY and we have 904 * forced the phy to a specific speed. Wait for link up before 905 * before sending a packet. 906 */ 907 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 908 case TULIP_MEDIAINFO_MII: { 909 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 910 return; 911 break; 912 } 913 case TULIP_MEDIAINFO_SIA: { 914 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 915 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 916 return; 917 tulip_linkup(sc, sc->tulip_probe_media); 918#ifdef notyet 919 if (sc->tulip_features & TULIP_HAVE_MII) 920 tulip_timeout(sc); 921#endif 922 return; 923 } 924 break; 925 } 926 case TULIP_MEDIAINFO_RESET: 927 case TULIP_MEDIAINFO_SYM: 928 case TULIP_MEDIAINFO_NONE: 929 case TULIP_MEDIAINFO_GPR: { 930 break; 931 } 932 } 933 /* 934 * Try to send a packet. 935 */ 936 tulip_txprobe(sc); 937} 938 939static void 940tulip_media_select( 941 tulip_softc_t * const sc) 942{ 943 if (sc->tulip_features & TULIP_HAVE_GPR) { 944 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 945 DELAY(10); 946 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 947 } 948 /* 949 * If this board has no media, just return 950 */ 951 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 952 return; 953 954 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 955 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 956 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 957 } else { 958 tulip_media_set(sc, sc->tulip_media); 959 } 960} 961 962static void 963tulip_21040_mediainfo_init( 964 tulip_softc_t * const sc, 965 tulip_media_t media) 966{ 967 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 968 |TULIP_CMD_BACKOFFCTR; 969 sc->tulip_if.if_baudrate = 10000000; 970 971 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 972 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 973 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 974 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 975 } 976 977 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 978 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 979 } 980 981 if (media == TULIP_MEDIA_UNKNOWN) { 982 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 983 } 984} 985 986static void 987tulip_21040_media_probe( 988 tulip_softc_t * const sc) 989{ 990 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 991 return; 992} 993 994static void 995tulip_21040_10baset_only_media_probe( 996 tulip_softc_t * const sc) 997{ 998 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 999 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1000 sc->tulip_media = TULIP_MEDIA_10BASET; 1001} 1002 1003static void 1004tulip_21040_10baset_only_media_select( 1005 tulip_softc_t * const sc) 1006{ 1007 sc->tulip_flags |= TULIP_LINKUP; 1008 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 1009 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1010 sc->tulip_flags &= ~TULIP_SQETEST; 1011 } else { 1012 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1013 sc->tulip_flags |= TULIP_SQETEST; 1014 } 1015 tulip_media_set(sc, sc->tulip_media); 1016} 1017 1018static void 1019tulip_21040_auibnc_only_media_probe( 1020 tulip_softc_t * const sc) 1021{ 1022 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1023 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1024 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1025 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1026} 1027 1028static void 1029tulip_21040_auibnc_only_media_select( 1030 tulip_softc_t * const sc) 1031{ 1032 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1033 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1034} 1035 1036static const tulip_boardsw_t tulip_21040_boardsw = { 1037 TULIP_21040_GENERIC, 1038 tulip_21040_media_probe, 1039 tulip_media_select, 1040 tulip_media_poll, 1041}; 1042 1043static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1044 TULIP_21040_GENERIC, 1045 tulip_21040_10baset_only_media_probe, 1046 tulip_21040_10baset_only_media_select, 1047 NULL, 1048}; 1049 1050static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1051 TULIP_21040_GENERIC, 1052 tulip_21040_auibnc_only_media_probe, 1053 tulip_21040_auibnc_only_media_select, 1054 NULL, 1055}; 1056 1057static void 1058tulip_21041_mediainfo_init( 1059 tulip_softc_t * const sc) 1060{ 1061 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1062 1063#ifdef notyet 1064 if (sc->tulip_revinfo >= 0x20) { 1065 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1066 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1067 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1068 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1069 return; 1070 } 1071#endif 1072 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1073 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1074 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1075 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1076} 1077 1078static void 1079tulip_21041_media_probe( 1080 tulip_softc_t * const sc) 1081{ 1082 sc->tulip_if.if_baudrate = 10000000; 1083 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1084 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1085 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1086 tulip_21041_mediainfo_init(sc); 1087} 1088 1089static void 1090tulip_21041_media_poll( 1091 tulip_softc_t * const sc, 1092 const tulip_mediapoll_event_t event) 1093{ 1094 u_int32_t sia_status; 1095 1096#if defined(TULIP_DEBUG) 1097 sc->tulip_dbg.dbg_events[event]++; 1098#endif 1099 1100 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1101 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1102 || !TULIP_DO_AUTOSENSE(sc)) 1103 return; 1104 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1105 tulip_reset(sc); /* start probe */ 1106 return; 1107 } 1108 1109 /* 1110 * If we've been been asked to start a poll or link change interrupt 1111 * restart the probe (and reset the tulip to a known state). 1112 */ 1113 if (event == TULIP_MEDIAPOLL_START) { 1114 sc->tulip_if.if_flags |= IFF_OACTIVE; 1115 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1116#ifdef notyet 1117 if (sc->tulip_revinfo >= 0x20) { 1118 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1119 sc->tulip_flags |= TULIP_DIDNWAY; 1120 } 1121#endif 1122 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1123 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1124 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1125 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1126 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1127 tulip_timeout(sc); 1128 return; 1129 } 1130 1131 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1132 return; 1133 1134 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1135#if defined(TULIP_DEBUG) 1136 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1137#endif 1138 tulip_linkup(sc, sc->tulip_probe_media); 1139 return; 1140 } 1141 1142 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1143 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1144 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1145 if (sc->tulip_revinfo >= 0x20) { 1146 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1147 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1148 } 1149 /* 1150 * If the link has passed LinkPass, 10baseT is the 1151 * proper media to use. 1152 */ 1153 tulip_linkup(sc, sc->tulip_probe_media); 1154 return; 1155 } 1156 1157 /* 1158 * wait for up to 2.4 seconds for the link to reach pass state. 1159 * Only then start scanning the other media for activity. 1160 * choose media with receive activity over those without. 1161 */ 1162 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1163 if (event != TULIP_MEDIAPOLL_TIMER) 1164 return; 1165 if (sc->tulip_probe_timeout > 0 1166 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1167 tulip_timeout(sc); 1168 return; 1169 } 1170 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1171 sc->tulip_flags |= TULIP_WANTRXACT; 1172 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1173 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1174 } else { 1175 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1176 } 1177 tulip_media_set(sc, sc->tulip_probe_media); 1178 tulip_timeout(sc); 1179 return; 1180 } 1181 1182 /* 1183 * If we failed, clear the txprobe active flag. 1184 */ 1185 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1186 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1187 1188 1189 if (event == TULIP_MEDIAPOLL_TIMER) { 1190 /* 1191 * If we've received something, then that's our link! 1192 */ 1193 if (sc->tulip_flags & TULIP_RXACT) { 1194 tulip_linkup(sc, sc->tulip_probe_media); 1195 return; 1196 } 1197 /* 1198 * if no txprobe active 1199 */ 1200 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1201 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1202 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1203 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1204 tulip_txprobe(sc); 1205 tulip_timeout(sc); 1206 return; 1207 } 1208 /* 1209 * Take 2 passes through before deciding to not 1210 * wait for receive activity. Then take another 1211 * two passes before spitting out a warning. 1212 */ 1213 if (sc->tulip_probe_timeout <= 0) { 1214 if (sc->tulip_flags & TULIP_WANTRXACT) { 1215 sc->tulip_flags &= ~TULIP_WANTRXACT; 1216 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1217 } else { 1218 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1219 TULIP_PRINTF_ARGS); 1220 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1221 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1222 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1223 return; 1224 } 1225 } 1226 } 1227 } 1228 1229 /* 1230 * Since this media failed to probe, try the other one. 1231 */ 1232 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1233 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1234 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1235 } else { 1236 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1237 } 1238 tulip_media_set(sc, sc->tulip_probe_media); 1239 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1240 tulip_timeout(sc); 1241} 1242 1243static const tulip_boardsw_t tulip_21041_boardsw = { 1244 TULIP_21041_GENERIC, 1245 tulip_21041_media_probe, 1246 tulip_media_select, 1247 tulip_21041_media_poll 1248}; 1249 1250static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1251 { 0x20005c00, 0, /* 08-00-17 */ 1252 { 1253 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1254 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1255 }, 1256#if defined(TULIP_DEBUG) 1257 "NS DP83840", 1258#endif 1259 }, 1260 { 0x0281F400, 0, /* 00-A0-7D */ 1261 { 1262 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1263 { }, /* 100TX */ 1264 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1265 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1266 }, 1267#if defined(TULIP_DEBUG) 1268 "Seeq 80C240" 1269#endif 1270 }, 1271#if 0 1272 { 0x0015F420, 0, /* 00-A0-7D */ 1273 { 1274 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1275 { }, /* 100TX */ 1276 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1277 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1278 }, 1279#if defined(TULIP_DEBUG) 1280 "Broadcom BCM5000" 1281#endif 1282 }, 1283#endif 1284 { 0x0281F400, 0, /* 00-A0-BE */ 1285 { 1286 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1287 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1288 { }, /* 100T4 */ 1289 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1290 }, 1291#if defined(TULIP_DEBUG) 1292 "ICS 1890" 1293#endif 1294 }, 1295 { 0 } 1296}; 1297 1298static tulip_media_t 1299tulip_mii_phy_readspecific( 1300 tulip_softc_t * const sc) 1301{ 1302 const tulip_phy_attr_t *attr; 1303 u_int16_t data; 1304 u_int32_t id; 1305 unsigned idx = 0; 1306 static const tulip_media_t table[] = { 1307 TULIP_MEDIA_UNKNOWN, 1308 TULIP_MEDIA_10BASET, 1309 TULIP_MEDIA_100BASETX, 1310 TULIP_MEDIA_100BASET4, 1311 TULIP_MEDIA_UNKNOWN, 1312 TULIP_MEDIA_10BASET_FD, 1313 TULIP_MEDIA_100BASETX_FD, 1314 TULIP_MEDIA_UNKNOWN 1315 }; 1316 1317 /* 1318 * Don't read phy specific registers if link is not up. 1319 */ 1320 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1321 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1322 return TULIP_MEDIA_UNKNOWN; 1323 1324 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1325 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1326 for (attr = tulip_mii_phy_attrlist;; attr++) { 1327 if (attr->attr_id == 0) 1328 return TULIP_MEDIA_UNKNOWN; 1329 if ((id & ~0x0F) == attr->attr_id) 1330 break; 1331 } 1332 1333 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1334 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1335 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1336 if ((data & pm->pm_mask) == pm->pm_value) 1337 idx = 2; 1338 } 1339 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1340 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1341 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1342 if ((data & pm->pm_mask) == pm->pm_value) 1343 idx = 3; 1344 } 1345 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1346 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1347 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1348 if ((data & pm->pm_mask) == pm->pm_value) 1349 idx = 1; 1350 } 1351 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1352 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1353 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1354 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1355 } 1356 return table[idx]; 1357} 1358 1359static unsigned 1360tulip_mii_get_phyaddr( 1361 tulip_softc_t * const sc, 1362 unsigned offset) 1363{ 1364 unsigned phyaddr; 1365 1366 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1367 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1368 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1369 continue; 1370 if (offset == 0) 1371 return phyaddr; 1372 offset--; 1373 } 1374 if (offset == 0) { 1375 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1376 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1377 return TULIP_MII_NOPHY; 1378 return 0; 1379 } 1380 return TULIP_MII_NOPHY; 1381} 1382 1383static int 1384tulip_mii_map_abilities( 1385 tulip_softc_t * const sc, 1386 unsigned abilities) 1387{ 1388 sc->tulip_abilities = abilities; 1389 if (abilities & PHYSTS_100BASETX_FD) { 1390 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1391 } else if (abilities & PHYSTS_100BASET4) { 1392 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1393 } else if (abilities & PHYSTS_100BASETX) { 1394 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1395 } else if (abilities & PHYSTS_10BASET_FD) { 1396 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1397 } else if (abilities & PHYSTS_10BASET) { 1398 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1399 } else { 1400 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1401 return 0; 1402 } 1403 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1404 return 1; 1405} 1406 1407static void 1408tulip_mii_autonegotiate( 1409 tulip_softc_t * const sc, 1410 const unsigned phyaddr) 1411{ 1412 switch (sc->tulip_probe_state) { 1413 case TULIP_PROBE_MEDIATEST: 1414 case TULIP_PROBE_INACTIVE: { 1415 sc->tulip_flags |= TULIP_DIDNWAY; 1416 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1417 sc->tulip_probe_timeout = 3000; 1418 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1419 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1420 /* FALL THROUGH */ 1421 } 1422 case TULIP_PROBE_PHYRESET: { 1423 u_int32_t status; 1424 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1425 if (data & PHYCTL_RESET) { 1426 if (sc->tulip_probe_timeout > 0) { 1427 tulip_timeout(sc); 1428 return; 1429 } 1430 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1431 TULIP_PRINTF_ARGS, phyaddr); 1432 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1433 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1434 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1435 return; 1436 } 1437 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1438 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1439#if defined(TULIP_DEBUG) 1440 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1441 TULIP_PRINTF_ARGS, phyaddr); 1442#endif 1443 sc->tulip_flags &= ~TULIP_DIDNWAY; 1444 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1445 return; 1446 } 1447 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1448 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1449 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1450 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1451#if defined(TULIP_DEBUG) 1452 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1453 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1454 TULIP_PRINTF_ARGS, phyaddr, data); 1455 else 1456 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1457 TULIP_PRINTF_ARGS, phyaddr, data); 1458 sc->tulip_dbg.dbg_nway_starts++; 1459#endif 1460 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1461 sc->tulip_probe_timeout = 3000; 1462 /* FALL THROUGH */ 1463 } 1464 case TULIP_PROBE_PHYAUTONEG: { 1465 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1466 u_int32_t data; 1467 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1468 if (sc->tulip_probe_timeout > 0) { 1469 tulip_timeout(sc); 1470 return; 1471 } 1472#if defined(TULIP_DEBUG) 1473 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1474 TULIP_PRINTF_ARGS, phyaddr, status, 1475 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1476#endif 1477 sc->tulip_flags &= ~TULIP_DIDNWAY; 1478 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1479 return; 1480 } 1481 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1482#if defined(TULIP_DEBUG) 1483 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1484 TULIP_PRINTF_ARGS, phyaddr, data); 1485#endif 1486 data = (data << 6) & status; 1487 if (!tulip_mii_map_abilities(sc, data)) 1488 sc->tulip_flags &= ~TULIP_DIDNWAY; 1489 return; 1490 } 1491 default: { 1492#if defined(DIAGNOSTIC) 1493 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1494#endif 1495 break; 1496 } 1497 } 1498#if defined(TULIP_DEBUG) 1499 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1500 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1501 sc->tulip_dbg.dbg_nway_failures++; 1502#endif 1503} 1504 1505static void 1506tulip_2114x_media_preset( 1507 tulip_softc_t * const sc) 1508{ 1509 const tulip_media_info_t *mi = NULL; 1510 tulip_media_t media = sc->tulip_media; 1511 1512 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1513 media = sc->tulip_media; 1514 else 1515 media = sc->tulip_probe_media; 1516 1517 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1518 sc->tulip_flags &= ~TULIP_SQETEST; 1519 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1520#if defined(TULIP_DEBUG) 1521 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1522#endif 1523 mi = sc->tulip_mediums[media]; 1524 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1525 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1526 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1527 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1528 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1529 sc->tulip_cmdmode |= mi->mi_cmdmode; 1530 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1531 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1532 } 1533#if defined(TULIP_DEBUG) 1534 } else { 1535 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1536 TULIP_PRINTF_ARGS, media); 1537 } 1538#endif 1539 } 1540 switch (media) { 1541 case TULIP_MEDIA_BNC: 1542 case TULIP_MEDIA_AUI: 1543 case TULIP_MEDIA_10BASET: { 1544 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1545 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1546 sc->tulip_if.if_baudrate = 10000000; 1547 sc->tulip_flags |= TULIP_SQETEST; 1548 break; 1549 } 1550 case TULIP_MEDIA_10BASET_FD: { 1551 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1552 sc->tulip_if.if_baudrate = 10000000; 1553 break; 1554 } 1555 case TULIP_MEDIA_100BASEFX: 1556 case TULIP_MEDIA_100BASET4: 1557 case TULIP_MEDIA_100BASETX: { 1558 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1559 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1560 sc->tulip_if.if_baudrate = 100000000; 1561 break; 1562 } 1563 case TULIP_MEDIA_100BASEFX_FD: 1564 case TULIP_MEDIA_100BASETX_FD: { 1565 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1566 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1567 sc->tulip_if.if_baudrate = 100000000; 1568 break; 1569 } 1570 default: { 1571 break; 1572 } 1573 } 1574 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1575} 1576 1577/* 1578 ******************************************************************** 1579 * Start of 21140/21140A support which does not use the MII interface 1580 */ 1581 1582static void 1583tulip_null_media_poll( 1584 tulip_softc_t * const sc, 1585 tulip_mediapoll_event_t event) 1586{ 1587#if defined(TULIP_DEBUG) 1588 sc->tulip_dbg.dbg_events[event]++; 1589#endif 1590#if defined(DIAGNOSTIC) 1591 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1592 TULIP_PRINTF_ARGS, __LINE__); 1593#endif 1594} 1595 1596__inline__ static void 1597tulip_21140_mediainit( 1598 tulip_softc_t * const sc, 1599 tulip_media_info_t * const mip, 1600 tulip_media_t const media, 1601 unsigned gpdata, 1602 unsigned cmdmode) 1603{ 1604 sc->tulip_mediums[media] = mip; 1605 mip->mi_type = TULIP_MEDIAINFO_GPR; 1606 mip->mi_cmdmode = cmdmode; 1607 mip->mi_gpdata = gpdata; 1608} 1609 1610static void 1611tulip_21140_evalboard_media_probe( 1612 tulip_softc_t * const sc) 1613{ 1614 tulip_media_info_t *mip = sc->tulip_mediainfo; 1615 1616 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1617 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1618 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1619 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1620 TULIP_CSR_WRITE(sc, csr_command, 1621 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1622 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1623 TULIP_CSR_WRITE(sc, csr_command, 1624 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1625 DELAY(1000000); 1626 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1627 sc->tulip_media = TULIP_MEDIA_10BASET; 1628 } else { 1629 sc->tulip_media = TULIP_MEDIA_100BASETX; 1630 } 1631 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1632 TULIP_GP_EB_INIT, 1633 TULIP_CMD_TXTHRSHLDCTL); 1634 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1635 TULIP_GP_EB_INIT, 1636 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1637 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1638 TULIP_GP_EB_INIT, 1639 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1640 |TULIP_CMD_SCRAMBLER); 1641 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1642 TULIP_GP_EB_INIT, 1643 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1644 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1645} 1646 1647static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1648 TULIP_21140_DEC_EB, 1649 tulip_21140_evalboard_media_probe, 1650 tulip_media_select, 1651 tulip_null_media_poll, 1652 tulip_2114x_media_preset, 1653}; 1654 1655static void 1656tulip_21140_accton_media_probe( 1657 tulip_softc_t * const sc) 1658{ 1659 tulip_media_info_t *mip = sc->tulip_mediainfo; 1660 unsigned gpdata; 1661 1662 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1663 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1664 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1665 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1666 TULIP_CSR_WRITE(sc, csr_command, 1667 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1668 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1669 TULIP_CSR_WRITE(sc, csr_command, 1670 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1671 DELAY(1000000); 1672 gpdata = TULIP_CSR_READ(sc, csr_gp); 1673 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1674 sc->tulip_media = TULIP_MEDIA_10BASET; 1675 } else { 1676 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1677 sc->tulip_media = TULIP_MEDIA_BNC; 1678 } else { 1679 sc->tulip_media = TULIP_MEDIA_100BASETX; 1680 } 1681 } 1682 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1683 TULIP_GP_EN1207_BNC_INIT, 1684 TULIP_CMD_TXTHRSHLDCTL); 1685 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1686 TULIP_GP_EN1207_UTP_INIT, 1687 TULIP_CMD_TXTHRSHLDCTL); 1688 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1689 TULIP_GP_EN1207_UTP_INIT, 1690 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1691 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1692 TULIP_GP_EN1207_100_INIT, 1693 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1694 |TULIP_CMD_SCRAMBLER); 1695 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1696 TULIP_GP_EN1207_100_INIT, 1697 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1698 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1699} 1700 1701static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1702 TULIP_21140_EN1207, 1703 tulip_21140_accton_media_probe, 1704 tulip_media_select, 1705 tulip_null_media_poll, 1706 tulip_2114x_media_preset, 1707}; 1708 1709static void 1710tulip_21140_smc9332_media_probe( 1711 tulip_softc_t * const sc) 1712{ 1713 tulip_media_info_t *mip = sc->tulip_mediainfo; 1714 int idx, cnt = 0; 1715 1716 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1717 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1718 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1719 33MHz that comes to two microseconds but wait a 1720 bit longer anyways) */ 1721 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1722 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1723 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1724 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1725 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1726 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1727 DELAY(200000); 1728 for (idx = 1000; idx > 0; idx--) { 1729 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1730 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1731 if (++cnt > 100) 1732 break; 1733 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1734 break; 1735 } else { 1736 cnt = 0; 1737 } 1738 DELAY(1000); 1739 } 1740 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1741 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1742 TULIP_GP_SMC_9332_INIT, 1743 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1744 |TULIP_CMD_SCRAMBLER); 1745 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1746 TULIP_GP_SMC_9332_INIT, 1747 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1748 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1749 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1750 TULIP_GP_SMC_9332_INIT, 1751 TULIP_CMD_TXTHRSHLDCTL); 1752 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1753 TULIP_GP_SMC_9332_INIT, 1754 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1755} 1756 1757static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1758 TULIP_21140_SMC_9332, 1759 tulip_21140_smc9332_media_probe, 1760 tulip_media_select, 1761 tulip_null_media_poll, 1762 tulip_2114x_media_preset, 1763}; 1764 1765static void 1766tulip_21140_cogent_em100_media_probe( 1767 tulip_softc_t * const sc) 1768{ 1769 tulip_media_info_t *mip = sc->tulip_mediainfo; 1770 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1771 1772 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1773 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1774 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1775 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1776 1777 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1778 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1779 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1780 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1781 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1782 1783 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1784 TULIP_GP_EM100_INIT, 1785 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1786 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1787 TULIP_GP_EM100_INIT, 1788 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1789 |TULIP_CMD_FULLDUPLEX); 1790 } else { 1791 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1792 sc->tulip_media = TULIP_MEDIA_100BASETX; 1793 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1794 TULIP_GP_EM100_INIT, 1795 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1796 |TULIP_CMD_SCRAMBLER); 1797 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1798 TULIP_GP_EM100_INIT, 1799 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1800 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1801 } 1802} 1803 1804static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1805 TULIP_21140_COGENT_EM100, 1806 tulip_21140_cogent_em100_media_probe, 1807 tulip_media_select, 1808 tulip_null_media_poll, 1809 tulip_2114x_media_preset 1810}; 1811 1812static void 1813tulip_21140_znyx_zx34x_media_probe( 1814 tulip_softc_t * const sc) 1815{ 1816 tulip_media_info_t *mip = sc->tulip_mediainfo; 1817 int cnt10 = 0, cnt100 = 0, idx; 1818 1819 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1820 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1821 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1822 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1823 TULIP_CSR_WRITE(sc, csr_command, 1824 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1825 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1826 TULIP_CSR_WRITE(sc, csr_command, 1827 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1828 1829 DELAY(200000); 1830 for (idx = 1000; idx > 0; idx--) { 1831 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1832 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)) { 1833 if (++cnt100 > 100) 1834 break; 1835 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1836 if (++cnt10 > 100) 1837 break; 1838 } else { 1839 cnt10 = 0; 1840 cnt100 = 0; 1841 } 1842 DELAY(1000); 1843 } 1844 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1845 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1846 TULIP_GP_ZX34X_INIT, 1847 TULIP_CMD_TXTHRSHLDCTL); 1848 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1849 TULIP_GP_ZX34X_INIT, 1850 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1851 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1852 TULIP_GP_ZX34X_INIT, 1853 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1854 |TULIP_CMD_SCRAMBLER); 1855 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1856 TULIP_GP_ZX34X_INIT, 1857 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1858 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1859} 1860 1861static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1862 TULIP_21140_ZNYX_ZX34X, 1863 tulip_21140_znyx_zx34x_media_probe, 1864 tulip_media_select, 1865 tulip_null_media_poll, 1866 tulip_2114x_media_preset, 1867}; 1868 1869static void 1870tulip_2114x_media_probe( 1871 tulip_softc_t * const sc) 1872{ 1873 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1874 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1875} 1876 1877static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1878 TULIP_21140_ISV, 1879 tulip_2114x_media_probe, 1880 tulip_media_select, 1881 tulip_media_poll, 1882 tulip_2114x_media_preset, 1883}; 1884 1885/* 1886 * ******** END of chip-specific handlers. *********** 1887 */ 1888 1889/* 1890 * Code the read the SROM and MII bit streams (I2C) 1891 */ 1892static void 1893tulip_delay_300ns( 1894 tulip_softc_t * const sc) 1895{ 1896 int idx; 1897 for (idx = (300 / 33) + 1; idx > 0; idx--) 1898 (void) TULIP_CSR_READ(sc, csr_busmode); 1899} 1900 1901#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1902 1903static void 1904tulip_srom_idle( 1905 tulip_softc_t * const sc) 1906{ 1907 unsigned bit, csr; 1908 1909 csr = SROMSEL ; EMIT; 1910 csr = SROMSEL | SROMRD; EMIT; 1911 csr ^= SROMCS; EMIT; 1912 csr ^= SROMCLKON; EMIT; 1913 1914 /* 1915 * Write 25 cycles of 0 which will force the SROM to be idle. 1916 */ 1917 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1918 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1919 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1920 } 1921 csr ^= SROMCLKOFF; EMIT; 1922 csr ^= SROMCS; EMIT; 1923 csr = 0; EMIT; 1924} 1925 1926 1927static void 1928tulip_srom_read( 1929 tulip_softc_t * const sc) 1930{ 1931 unsigned idx; 1932 const unsigned bitwidth = SROM_BITWIDTH; 1933 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1934 const unsigned msb = 1 << (bitwidth + 3 - 1); 1935 unsigned lastidx = (1 << bitwidth) - 1; 1936 1937 tulip_srom_idle(sc); 1938 1939 for (idx = 0; idx <= lastidx; idx++) { 1940 unsigned lastbit, data, bits, bit, csr; 1941 csr = SROMSEL ; EMIT; 1942 csr = SROMSEL | SROMRD; EMIT; 1943 csr ^= SROMCSON; EMIT; 1944 csr ^= SROMCLKON; EMIT; 1945 1946 lastbit = 0; 1947 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1948 const unsigned thisbit = bits & msb; 1949 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1950 if (thisbit != lastbit) { 1951 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1952 } else { 1953 EMIT; 1954 } 1955 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1956 lastbit = thisbit; 1957 } 1958 csr ^= SROMCLKOFF; EMIT; 1959 1960 for (data = 0, bits = 0; bits < 16; bits++) { 1961 data <<= 1; 1962 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1963 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1964 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1965 } 1966 sc->tulip_rombuf[idx*2] = data & 0xFF; 1967 sc->tulip_rombuf[idx*2+1] = data >> 8; 1968 csr = SROMSEL | SROMRD; EMIT; 1969 csr = 0; EMIT; 1970 } 1971 tulip_srom_idle(sc); 1972} 1973 1974#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1975 1976static void 1977tulip_mii_writebits( 1978 tulip_softc_t * const sc, 1979 unsigned data, 1980 unsigned bits) 1981{ 1982 unsigned msb = 1 << (bits - 1); 1983 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1984 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1985 1986 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1987 1988 for (; bits > 0; bits--, data <<= 1) { 1989 const unsigned thisbit = data & msb; 1990 if (thisbit != lastbit) { 1991 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1992 } 1993 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1994 lastbit = thisbit; 1995 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1996 } 1997} 1998 1999static void 2000tulip_mii_turnaround( 2001 tulip_softc_t * const sc, 2002 unsigned cmd) 2003{ 2004 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2005 2006 if (cmd == MII_WRCMD) { 2007 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 2008 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2009 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2010 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2011 } else { 2012 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2013 } 2014 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2015 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2016} 2017 2018static unsigned 2019tulip_mii_readbits( 2020 tulip_softc_t * const sc) 2021{ 2022 unsigned data; 2023 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2024 int idx; 2025 2026 for (idx = 0, data = 0; idx < 16; idx++) { 2027 data <<= 1; /* this is NOOP on the first pass through */ 2028 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2029 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2030 data |= 1; 2031 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2032 } 2033 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2034 2035 return data; 2036} 2037 2038static unsigned 2039tulip_mii_readreg( 2040 tulip_softc_t * const sc, 2041 unsigned devaddr, 2042 unsigned regno) 2043{ 2044 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2045 unsigned data; 2046 2047 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2048 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2049 tulip_mii_writebits(sc, MII_RDCMD, 8); 2050 tulip_mii_writebits(sc, devaddr, 5); 2051 tulip_mii_writebits(sc, regno, 5); 2052 tulip_mii_turnaround(sc, MII_RDCMD); 2053 2054 data = tulip_mii_readbits(sc); 2055#if defined(TULIP_DEBUG) 2056 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2057 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2058#endif 2059 return data; 2060} 2061 2062static void 2063tulip_mii_writereg( 2064 tulip_softc_t * const sc, 2065 unsigned devaddr, 2066 unsigned regno, 2067 unsigned data) 2068{ 2069 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2070 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2071 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2072 tulip_mii_writebits(sc, MII_WRCMD, 8); 2073 tulip_mii_writebits(sc, devaddr, 5); 2074 tulip_mii_writebits(sc, regno, 5); 2075 tulip_mii_turnaround(sc, MII_WRCMD); 2076 tulip_mii_writebits(sc, data, 16); 2077#if defined(TULIP_DEBUG) 2078 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2079 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2080#endif 2081} 2082 2083#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2084#define tulip_srom_crcok(databuf) ( \ 2085 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2086 ((databuf)[126] | ((databuf)[127] << 8))) 2087 2088static unsigned 2089tulip_crc32( 2090 const unsigned char *databuf, 2091 size_t datalen) 2092{ 2093 u_int idx, crc = 0xFFFFFFFFUL; 2094 static const u_int crctab[] = { 2095 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2096 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2097 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2098 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2099 }; 2100 2101 for (idx = 0; idx < datalen; idx++) { 2102 crc ^= *databuf++; 2103 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2104 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2105 } 2106 return crc; 2107} 2108 2109static void 2110tulip_identify_dec_nic( 2111 tulip_softc_t * const sc) 2112{ 2113 strcpy(sc->tulip_boardid, "DEC "); 2114#define D0 4 2115 if (sc->tulip_chipid <= TULIP_DE425) 2116 return; 2117 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2118 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2119 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2120 sc->tulip_boardid[D0+8] = ' '; 2121 } 2122#undef D0 2123} 2124 2125static void 2126tulip_identify_znyx_nic( 2127 tulip_softc_t * const sc) 2128{ 2129 unsigned id = 0; 2130 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2131 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2132 unsigned znyx_ptr; 2133 sc->tulip_boardid[8] = '4'; 2134 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2135 if (znyx_ptr < 26 || znyx_ptr > 116) { 2136 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2137 return; 2138 } 2139 /* ZX344 = 0010 .. 0013FF 2140 */ 2141 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2142 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2143 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2144 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2145 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2146 sc->tulip_boardid[9] = '2'; 2147 if (id == TULIP_ZNYX_ID_ZX342B) { 2148 sc->tulip_boardid[10] = 'B'; 2149 sc->tulip_boardid[11] = ' '; 2150 } 2151 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2152 } else if (id == TULIP_ZNYX_ID_ZX344) { 2153 sc->tulip_boardid[10] = '4'; 2154 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2155 } else if (id == TULIP_ZNYX_ID_ZX345) { 2156 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2157 } else if (id == TULIP_ZNYX_ID_ZX346) { 2158 sc->tulip_boardid[9] = '6'; 2159 } else if (id == TULIP_ZNYX_ID_ZX351) { 2160 sc->tulip_boardid[8] = '5'; 2161 sc->tulip_boardid[9] = '1'; 2162 } 2163 } 2164 if (id == 0) { 2165 /* 2166 * Assume it's a ZX342... 2167 */ 2168 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2169 } 2170 return; 2171 } 2172 sc->tulip_boardid[8] = '1'; 2173 if (sc->tulip_chipid == TULIP_21041) { 2174 sc->tulip_boardid[10] = '1'; 2175 return; 2176 } 2177 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2178 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2179 if (id == TULIP_ZNYX_ID_ZX312T) { 2180 sc->tulip_boardid[9] = '2'; 2181 sc->tulip_boardid[10] = 'T'; 2182 sc->tulip_boardid[11] = ' '; 2183 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2184 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2185 sc->tulip_boardid[9] = '4'; 2186 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2187 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2188 } else if (id == TULIP_ZNYX_ID_ZX314) { 2189 sc->tulip_boardid[9] = '4'; 2190 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2191 sc->tulip_features |= TULIP_HAVE_BASEROM; 2192 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2193 sc->tulip_boardid[9] = '5'; 2194 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2195 } else if (id == TULIP_ZNYX_ID_ZX315) { 2196 sc->tulip_boardid[9] = '5'; 2197 sc->tulip_features |= TULIP_HAVE_BASEROM; 2198 } else { 2199 id = 0; 2200 } 2201 } 2202 if (id == 0) { 2203 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2204 sc->tulip_boardid[9] = '4'; 2205 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2206 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2207 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2208 sc->tulip_boardid[9] = '5'; 2209 sc->tulip_boardsw = &tulip_21040_boardsw; 2210 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2211 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2212 sc->tulip_boardid[9] = '2'; 2213 sc->tulip_boardsw = &tulip_21040_boardsw; 2214 } 2215 } 2216} 2217 2218static void 2219tulip_identify_smc_nic( 2220 tulip_softc_t * const sc) 2221{ 2222 u_int32_t id1, id2, ei; 2223 int auibnc = 0, utp = 0; 2224 char *cp; 2225 2226 strcpy(sc->tulip_boardid, "SMC "); 2227 if (sc->tulip_chipid == TULIP_21041) 2228 return; 2229 if (sc->tulip_chipid != TULIP_21040) { 2230 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2231 strcpy(&sc->tulip_boardid[4], "9332DST "); 2232 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2233 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2234 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2235 } else { 2236 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2237 } 2238 return; 2239 } 2240 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2241 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2242 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2243 2244 strcpy(&sc->tulip_boardid[4], "8432"); 2245 cp = &sc->tulip_boardid[8]; 2246 if ((id1 & 1) == 0) 2247 *cp++ = 'B', auibnc = 1; 2248 if ((id1 & 0xFF) > 0x32) 2249 *cp++ = 'T', utp = 1; 2250 if ((id1 & 0x4000) == 0) 2251 *cp++ = 'A', auibnc = 1; 2252 if (id2 == 0x15) { 2253 sc->tulip_boardid[7] = '4'; 2254 *cp++ = '-'; 2255 *cp++ = 'C'; 2256 *cp++ = 'H'; 2257 *cp++ = (ei ? '2' : '1'); 2258 } 2259 *cp++ = ' '; 2260 *cp = '\0'; 2261 if (utp && !auibnc) 2262 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2263 else if (!utp && auibnc) 2264 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2265} 2266 2267static void 2268tulip_identify_cogent_nic( 2269 tulip_softc_t * const sc) 2270{ 2271 strcpy(sc->tulip_boardid, "Cogent "); 2272 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2273 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2274 strcat(sc->tulip_boardid, "EM100TX "); 2275 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2276#if defined(TULIP_COGENT_EM110TX_ID) 2277 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2278 strcat(sc->tulip_boardid, "EM110TX "); 2279 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2280#endif 2281 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2282 strcat(sc->tulip_boardid, "EM100FX "); 2283 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2284 } 2285 /* 2286 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2287 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2288 */ 2289 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2290 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2291 /* 2292 * Cogent (Adaptec) is still mapping all INTs to INTA of 2293 * first 21140. Dumb! Dumb! 2294 */ 2295 strcat(sc->tulip_boardid, "EM440TX "); 2296 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2297 } 2298 } else if (sc->tulip_chipid == TULIP_21040) { 2299 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2300 } 2301} 2302 2303static void 2304tulip_identify_accton_nic( 2305 tulip_softc_t * const sc) 2306{ 2307 strcpy(sc->tulip_boardid, "ACCTON "); 2308 switch (sc->tulip_chipid) { 2309 case TULIP_21140A: 2310 strcat(sc->tulip_boardid, "EN1207 "); 2311 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2312 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2313 break; 2314 case TULIP_21140: 2315 strcat(sc->tulip_boardid, "EN1207TX "); 2316 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2317 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2318 break; 2319 case TULIP_21040: 2320 strcat(sc->tulip_boardid, "EN1203 "); 2321 sc->tulip_boardsw = &tulip_21040_boardsw; 2322 break; 2323 case TULIP_21041: 2324 strcat(sc->tulip_boardid, "EN1203 "); 2325 sc->tulip_boardsw = &tulip_21041_boardsw; 2326 break; 2327 default: 2328 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2329 break; 2330 } 2331} 2332 2333static void 2334tulip_identify_asante_nic( 2335 tulip_softc_t * const sc) 2336{ 2337 strcpy(sc->tulip_boardid, "Asante "); 2338 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2339 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2340 tulip_media_info_t *mi = sc->tulip_mediainfo; 2341 int idx; 2342 /* 2343 * The Asante Fast Ethernet doesn't always ship with a valid 2344 * new format SROM. So if isn't in the new format, we cheat 2345 * set it up as if we had. 2346 */ 2347 2348 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2349 sc->tulip_gpdata = 0; 2350 2351 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2352 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2353 DELAY(100); 2354 TULIP_CSR_WRITE(sc, csr_gp, 0); 2355 2356 mi->mi_type = TULIP_MEDIAINFO_MII; 2357 mi->mi_gpr_length = 0; 2358 mi->mi_gpr_offset = 0; 2359 mi->mi_reset_length = 0; 2360 mi->mi_reset_offset = 0;; 2361 2362 mi->mi_phyaddr = TULIP_MII_NOPHY; 2363 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2364 DELAY(10000); 2365 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2366 } 2367 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2368 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2369 return; 2370 } 2371 2372 sc->tulip_features |= TULIP_HAVE_MII; 2373 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2374 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2375 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2376 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2377 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2378 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2379 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2380 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2381 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2382 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2383 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2384 2385 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2386 } 2387} 2388 2389static int 2390tulip_srom_decode( 2391 tulip_softc_t * const sc) 2392{ 2393 unsigned idx1, idx2, idx3; 2394 2395 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2396 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2397 tulip_srom_media_t srom_media; 2398 tulip_media_info_t *mi = sc->tulip_mediainfo; 2399 const u_int8_t *dp; 2400 u_int32_t leaf_offset, blocks, data; 2401 2402 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2403 if (shp->sh_adapter_count == 1) 2404 break; 2405 if (saip->sai_device == sc->tulip_pci_devno) 2406 break; 2407 } 2408 /* 2409 * Didn't find the right media block for this card. 2410 */ 2411 if (idx1 == shp->sh_adapter_count) 2412 return 0; 2413 2414 /* 2415 * Save the hardware address. 2416 */ 2417 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2418 /* 2419 * If this is a multiple port card, add the adapter index to the last 2420 * byte of the hardware address. (if it isn't multiport, adding 0 2421 * won't hurt. 2422 */ 2423 sc->tulip_enaddr[5] += idx1; 2424 2425 leaf_offset = saip->sai_leaf_offset_lowbyte 2426 + saip->sai_leaf_offset_highbyte * 256; 2427 dp = sc->tulip_rombuf + leaf_offset; 2428 2429 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2430 2431 for (idx2 = 0;; idx2++) { 2432 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2433 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2434 break; 2435 } 2436 sc->tulip_connidx = idx2; 2437 2438 if (sc->tulip_chipid == TULIP_21041) { 2439 blocks = *dp++; 2440 for (idx2 = 0; idx2 < blocks; idx2++) { 2441 tulip_media_t media; 2442 data = *dp++; 2443 srom_media = (tulip_srom_media_t) (data & 0x3F); 2444 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2445 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2446 break; 2447 } 2448 media = tulip_srom_mediums[idx3].sm_type; 2449 if (media != TULIP_MEDIA_UNKNOWN) { 2450 if (data & TULIP_SROM_21041_EXTENDED) { 2451 mi->mi_type = TULIP_MEDIAINFO_SIA; 2452 sc->tulip_mediums[media] = mi; 2453 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2454 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2455 mi->mi_sia_general = dp[4] + dp[5] * 256; 2456 mi++; 2457 } else { 2458 switch (media) { 2459 case TULIP_MEDIA_BNC: { 2460 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2461 mi++; 2462 break; 2463 } 2464 case TULIP_MEDIA_AUI: { 2465 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2466 mi++; 2467 break; 2468 } 2469 case TULIP_MEDIA_10BASET: { 2470 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2471 mi++; 2472 break; 2473 } 2474 case TULIP_MEDIA_10BASET_FD: { 2475 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2476 mi++; 2477 break; 2478 } 2479 default: { 2480 break; 2481 } 2482 } 2483 } 2484 } 2485 if (data & TULIP_SROM_21041_EXTENDED) 2486 dp += 6; 2487 } 2488#ifdef notdef 2489 if (blocks == 0) { 2490 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2491 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2492 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2493 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2494 } 2495#endif 2496 } else { 2497 unsigned length, type; 2498 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2499 if (sc->tulip_features & TULIP_HAVE_GPR) 2500 sc->tulip_gpinit = *dp++; 2501 blocks = *dp++; 2502 for (idx2 = 0; idx2 < blocks; idx2++) { 2503 const u_int8_t *ep; 2504 if ((*dp & 0x80) == 0) { 2505 length = 4; 2506 type = 0; 2507 } else { 2508 length = (*dp++ & 0x7f) - 1; 2509 type = *dp++ & 0x3f; 2510 } 2511 ep = dp + length; 2512 switch (type & 0x3f) { 2513 case 0: { /* 21140[A] GPR block */ 2514 tulip_media_t media; 2515 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2516 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2517 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2518 break; 2519 } 2520 media = tulip_srom_mediums[idx3].sm_type; 2521 if (media == TULIP_MEDIA_UNKNOWN) 2522 break; 2523 mi->mi_type = TULIP_MEDIAINFO_GPR; 2524 sc->tulip_mediums[media] = mi; 2525 mi->mi_gpdata = dp[1]; 2526 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2527 sc->tulip_gpdata = mi->mi_gpdata; 2528 gp_media = media; 2529 } 2530 data = dp[2] + dp[3] * 256; 2531 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2532 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2533 mi->mi_actmask = 0; 2534 } else { 2535#if 0 2536 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2537#endif 2538 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2539 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2540 } 2541 mi++; 2542 break; 2543 } 2544 case 1: { /* 21140[A] MII block */ 2545 const unsigned phyno = *dp++; 2546 mi->mi_type = TULIP_MEDIAINFO_MII; 2547 mi->mi_gpr_length = *dp++; 2548 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2549 dp += mi->mi_gpr_length; 2550 mi->mi_reset_length = *dp++; 2551 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2552 dp += mi->mi_reset_length; 2553 2554 /* 2555 * Before we probe for a PHY, use the GPR information 2556 * to select it. If we don't, it may be inaccessible. 2557 */ 2558 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2559 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2560 DELAY(10); 2561 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2562 } 2563 sc->tulip_phyaddr = mi->mi_phyaddr; 2564 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2565 DELAY(10); 2566 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2567 } 2568 2569 /* 2570 * At least write something! 2571 */ 2572 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2573 TULIP_CSR_WRITE(sc, csr_gp, 0); 2574 2575 mi->mi_phyaddr = TULIP_MII_NOPHY; 2576 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2577 DELAY(10000); 2578 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2579 } 2580 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2581#if defined(TULIP_DEBUG) 2582 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2583 TULIP_PRINTF_ARGS, phyno); 2584#endif 2585 break; 2586 } 2587 sc->tulip_features |= TULIP_HAVE_MII; 2588 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2589 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2590 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2591 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2592 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2593 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2594 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2595 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2596 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2597 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2598 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2599 mi++; 2600 break; 2601 } 2602 case 2: { /* 2114[23] SIA block */ 2603 tulip_media_t media; 2604 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2605 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2606 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2607 break; 2608 } 2609 media = tulip_srom_mediums[idx3].sm_type; 2610 if (media == TULIP_MEDIA_UNKNOWN) 2611 break; 2612 mi->mi_type = TULIP_MEDIAINFO_SIA; 2613 sc->tulip_mediums[media] = mi; 2614 if (dp[0] & 0x40) { 2615 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2616 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2617 mi->mi_sia_general = dp[5] + dp[6] * 256; 2618 dp += 6; 2619 } else { 2620 switch (media) { 2621 case TULIP_MEDIA_BNC: { 2622 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2623 break; 2624 } 2625 case TULIP_MEDIA_AUI: { 2626 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2627 break; 2628 } 2629 case TULIP_MEDIA_10BASET: { 2630 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2631 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2632 break; 2633 } 2634 case TULIP_MEDIA_10BASET_FD: { 2635 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2636 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2637 break; 2638 } 2639 default: { 2640 goto bad_media; 2641 } 2642 } 2643 } 2644 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2645 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2646 mi++; 2647 bad_media: 2648 break; 2649 } 2650 case 3: { /* 2114[23] MII PHY block */ 2651 const unsigned phyno = *dp++; 2652 const u_int8_t *dp0; 2653 mi->mi_type = TULIP_MEDIAINFO_MII; 2654 mi->mi_gpr_length = *dp++; 2655 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2656 dp += 2 * mi->mi_gpr_length; 2657 mi->mi_reset_length = *dp++; 2658 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2659 dp += 2 * mi->mi_reset_length; 2660 2661 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2662 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2663 DELAY(10); 2664 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2665 } 2666 sc->tulip_phyaddr = mi->mi_phyaddr; 2667 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2668 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2669 DELAY(10); 2670 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2671 } 2672 2673 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2674 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2675 2676 mi->mi_phyaddr = TULIP_MII_NOPHY; 2677 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2678 DELAY(10000); 2679 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2680 } 2681 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2682#if defined(TULIP_DEBUG) 2683 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2684 TULIP_PRINTF_ARGS, phyno); 2685#endif 2686 break; 2687 } 2688 sc->tulip_features |= TULIP_HAVE_MII; 2689 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2690 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2691 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2692 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2693 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2694 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2695 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2696 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2697 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2698 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2699 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2700 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2701 mi++; 2702 break; 2703 } 2704 case 4: { /* 21143 SYM block */ 2705 tulip_media_t media; 2706 srom_media = (tulip_srom_media_t) dp[0]; 2707 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2708 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2709 break; 2710 } 2711 media = tulip_srom_mediums[idx3].sm_type; 2712 if (media == TULIP_MEDIA_UNKNOWN) 2713 break; 2714 mi->mi_type = TULIP_MEDIAINFO_SYM; 2715 sc->tulip_mediums[media] = mi; 2716 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2717 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2718 data = dp[5] + dp[6] * 256; 2719 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2720 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2721 mi->mi_actmask = 0; 2722 } else { 2723 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2724 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2725 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2726 } 2727 if (TULIP_IS_MEDIA_TP(media)) 2728 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2729 mi++; 2730 break; 2731 } 2732#if 0 2733 case 5: { /* 21143 Reset block */ 2734 mi->mi_type = TULIP_MEDIAINFO_RESET; 2735 mi->mi_reset_length = *dp++; 2736 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2737 dp += 2 * mi->mi_reset_length; 2738 mi++; 2739 break; 2740 } 2741#endif 2742 default: { 2743 } 2744 } 2745 dp = ep; 2746 } 2747 } 2748 return mi - sc->tulip_mediainfo; 2749} 2750 2751static const struct { 2752 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2753 unsigned char vendor_oui[3]; 2754} tulip_vendors[] = { 2755 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2756 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2757 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2758 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2759 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2760 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2761 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2762 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2763 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2764 { NULL } 2765}; 2766 2767/* 2768 * This deals with the vagaries of the address roms and the 2769 * brain-deadness that various vendors commit in using them. 2770 */ 2771static int 2772tulip_read_macaddr( 2773 tulip_softc_t * const sc) 2774{ 2775 unsigned cksum, rom_cksum, idx; 2776 u_int32_t csr; 2777 unsigned char tmpbuf[8]; 2778 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2779 2780 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2781 2782 if (sc->tulip_chipid == TULIP_21040) { 2783 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2784 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2785 int cnt = 0; 2786 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2787 cnt++; 2788 sc->tulip_rombuf[idx] = csr & 0xFF; 2789 } 2790 sc->tulip_boardsw = &tulip_21040_boardsw; 2791#if defined(TULIP_EISA) 2792 } else if (sc->tulip_chipid == TULIP_DE425) { 2793 int cnt; 2794 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2795 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2796 if (tmpbuf[idx] == testpat[idx]) 2797 ++idx; 2798 else 2799 idx = 0; 2800 } 2801 for (idx = 0; idx < 32; idx++) 2802 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2803 sc->tulip_boardsw = &tulip_21040_boardsw; 2804#endif /* TULIP_EISA */ 2805 } else { 2806 if (sc->tulip_chipid == TULIP_21041) { 2807 /* 2808 * Thankfully all 21041's act the same. 2809 */ 2810 sc->tulip_boardsw = &tulip_21041_boardsw; 2811 } else { 2812 /* 2813 * Assume all 21140 board are compatible with the 2814 * DEC 10/100 evaluation board. Not really valid but 2815 * it's the best we can do until every one switches to 2816 * the new SROM format. 2817 */ 2818 2819 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2820 } 2821 tulip_srom_read(sc); 2822 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2823 /* 2824 * SROM CRC is valid therefore it must be in the 2825 * new format. 2826 */ 2827 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2828 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2829 /* 2830 * No checksum is present. See if the SROM id checks out; 2831 * the first 18 bytes should be 0 followed by a 1 followed 2832 * by the number of adapters (which we don't deal with yet). 2833 */ 2834 for (idx = 0; idx < 18; idx++) { 2835 if (sc->tulip_rombuf[idx] != 0) 2836 break; 2837 } 2838 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2839 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2840 } else if (sc->tulip_chipid >= TULIP_21142) { 2841 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2842 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2843 } 2844 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2845 if (sc->tulip_chipid != TULIP_21041) 2846 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2847 2848 /* 2849 * If the SROM specifies more than one adapter, tag this as a 2850 * BASE rom. 2851 */ 2852 if (sc->tulip_rombuf[19] > 1) 2853 sc->tulip_features |= TULIP_HAVE_BASEROM; 2854 if (sc->tulip_boardsw == NULL) 2855 return -6; 2856 goto check_oui; 2857 } 2858 } 2859 2860 2861 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2862 /* 2863 * Some folks don't use the standard ethernet rom format 2864 * but instead just put the address in the first 6 bytes 2865 * of the rom and let the rest be all 0xffs. (Can we say 2866 * ZNYX?) (well sometimes they put in a checksum so we'll 2867 * start at 8). 2868 */ 2869 for (idx = 8; idx < 32; idx++) { 2870 if (sc->tulip_rombuf[idx] != 0xFF) 2871 return -4; 2872 } 2873 /* 2874 * Make sure the address is not multicast or locally assigned 2875 * that the OUI is not 00-00-00. 2876 */ 2877 if ((sc->tulip_rombuf[0] & 3) != 0) 2878 return -4; 2879 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2880 && sc->tulip_rombuf[2] == 0) 2881 return -4; 2882 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2883 sc->tulip_features |= TULIP_HAVE_OKROM; 2884 goto check_oui; 2885 } else { 2886 /* 2887 * A number of makers of multiport boards (ZNYX and Cogent) 2888 * only put on one address ROM on their 21040 boards. So 2889 * if the ROM is all zeros (or all 0xFFs), look at the 2890 * previous configured boards (as long as they are on the same 2891 * PCI bus and the bus number is non-zero) until we find the 2892 * master board with address ROM. We then use its address ROM 2893 * as the base for this board. (we add our relative board 2894 * to the last byte of its address). 2895 */ 2896 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2897 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2898 break; 2899 } 2900 if (idx == sizeof(sc->tulip_rombuf)) { 2901 int root_unit; 2902 tulip_softc_t *root_sc = NULL; 2903 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2904 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2905 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2906 break; 2907 root_sc = NULL; 2908 } 2909 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2910 && root_sc->tulip_chipid == sc->tulip_chipid 2911 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2912 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2913 sc->tulip_boardsw = root_sc->tulip_boardsw; 2914 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2915 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2916 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2917 sizeof(sc->tulip_rombuf)); 2918 if (!tulip_srom_decode(sc)) 2919 return -5; 2920 } else { 2921 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2922 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2923 } 2924 /* 2925 * Now for a truly disgusting kludge: all 4 21040s on 2926 * the ZX314 share the same INTA line so the mapping 2927 * setup by the BIOS on the PCI bridge is worthless. 2928 * Rather than reprogramming the value in the config 2929 * register, we will handle this internally. 2930 */ 2931 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2932 sc->tulip_slaves = root_sc->tulip_slaves; 2933 root_sc->tulip_slaves = sc; 2934 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2935 } 2936 return 0; 2937 } 2938 } 2939 } 2940 2941 /* 2942 * This is the standard DEC address ROM test. 2943 */ 2944 2945 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2946 return -3; 2947 2948 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2949 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2950 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2951 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2952 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2953 return -2; 2954 2955 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2956 2957 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2958 cksum *= 2; 2959 if (cksum > 65535) cksum -= 65535; 2960 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2961 if (cksum > 65535) cksum -= 65535; 2962 cksum *= 2; 2963 if (cksum > 65535) cksum -= 65535; 2964 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2965 if (cksum >= 65535) cksum -= 65535; 2966 2967 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2968 2969 if (cksum != rom_cksum) 2970 return -1; 2971 2972 check_oui: 2973 /* 2974 * Check for various boards based on OUI. Did I say braindead? 2975 */ 2976 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2977 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2978 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2979 break; 2980 } 2981 } 2982 2983 sc->tulip_features |= TULIP_HAVE_OKROM; 2984 return 0; 2985} 2986 2987#if defined(IFM_ETHER) 2988static void 2989tulip_ifmedia_add( 2990 tulip_softc_t * const sc) 2991{ 2992 tulip_media_t media; 2993 int medias = 0; 2994 2995 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2996 if (sc->tulip_mediums[media] != NULL) { 2997 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2998 0, 0); 2999 medias++; 3000 } 3001 } 3002 if (medias == 0) { 3003 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3004 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3005 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3006 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3007 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3008 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3009 } else { 3010 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3011 sc->tulip_flags |= TULIP_PRINTMEDIA; 3012 tulip_linkup(sc, sc->tulip_media); 3013 } 3014} 3015 3016static int 3017tulip_ifmedia_change( 3018 struct ifnet * const ifp) 3019{ 3020 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3021 3022 sc->tulip_flags |= TULIP_NEEDRESET; 3023 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3024 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3025 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3026 tulip_media_t media; 3027 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3028 if (sc->tulip_mediums[media] != NULL 3029 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3030 sc->tulip_flags |= TULIP_PRINTMEDIA; 3031 sc->tulip_flags &= ~TULIP_DIDNWAY; 3032 tulip_linkup(sc, media); 3033 return 0; 3034 } 3035 } 3036 } 3037 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3038 tulip_reset(sc); 3039 tulip_init(sc); 3040 return 0; 3041} 3042 3043/* 3044 * Media status callback 3045 */ 3046static void 3047tulip_ifmedia_status( 3048 struct ifnet * const ifp, 3049 struct ifmediareq *req) 3050{ 3051 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3052 3053#if defined(__bsdi__) 3054 if (sc->tulip_mii.mii_instance != 0) { 3055 mii_pollstat(&sc->tulip_mii); 3056 req->ifm_active = sc->tulip_mii.mii_media_active; 3057 req->ifm_status = sc->tulip_mii.mii_media_status; 3058 return; 3059 } 3060#endif 3061 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3062 return; 3063 3064 req->ifm_status = IFM_AVALID; 3065 if (sc->tulip_flags & TULIP_LINKUP) 3066 req->ifm_status |= IFM_ACTIVE; 3067 3068 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3069} 3070#endif 3071 3072static void 3073tulip_addr_filter( 3074 tulip_softc_t * const sc) 3075{ 3076#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3077 struct ifmultiaddr *ifma; 3078 u_char *addrp; 3079#else 3080 struct ether_multistep step; 3081 struct ether_multi *enm; 3082#endif 3083 int multicnt; 3084 3085 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3086 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3087 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3088 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3089#if defined(IFF_ALLMULTI) 3090 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3091 sc->tulip_flags |= TULIP_ALLMULTI ; 3092#endif 3093 3094#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3095 multicnt = 0; 3096 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3097 ifma = ifma->ifma_link.le_next) { 3098 3099 if (ifma->ifma_addr->sa_family == AF_LINK) 3100 multicnt++; 3101 } 3102#else 3103 multicnt = sc->tulip_multicnt; 3104#endif 3105 3106 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3107 if (multicnt > 14) { 3108 u_int32_t *sp = sc->tulip_setupdata; 3109 unsigned hash; 3110 /* 3111 * Some early passes of the 21140 have broken implementations of 3112 * hash-perfect mode. When we get too many multicasts for perfect 3113 * filtering with these chips, we need to switch into hash-only 3114 * mode (this is better than all-multicast on network with lots 3115 * of multicast traffic). 3116 */ 3117 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3118 sc->tulip_flags |= TULIP_WANTHASHONLY; 3119 else 3120 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3121 /* 3122 * If we have more than 14 multicasts, we have 3123 * go into hash perfect mode (512 bit multicast 3124 * hash and one perfect hardware). 3125 */ 3126 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3127 3128#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3129 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3130 ifma = ifma->ifma_link.le_next) { 3131 3132 if (ifma->ifma_addr->sa_family != AF_LINK) 3133 continue; 3134 3135 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3136 sp[hash >> 4] |= 1 << (hash & 0xF); 3137 } 3138#else 3139 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3140 while (enm != NULL) { 3141 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3142 hash = tulip_mchash(enm->enm_addrlo); 3143 sp[hash >> 4] |= 1 << (hash & 0xF); 3144 } else { 3145 sc->tulip_flags |= TULIP_ALLMULTI; 3146 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3147 break; 3148 } 3149 ETHER_NEXT_MULTI(step, enm); 3150 } 3151#endif 3152 /* 3153 * No reason to use a hash if we are going to be 3154 * receiving every multicast. 3155 */ 3156 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3157 hash = tulip_mchash(etherbroadcastaddr); 3158 sp[hash >> 4] |= 1 << (hash & 0xF); 3159 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3160 hash = tulip_mchash(sc->tulip_enaddr); 3161 sp[hash >> 4] |= 1 << (hash & 0xF); 3162 } else { 3163 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3164 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3165 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3166 } 3167 } 3168 } 3169 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3170 u_int32_t *sp = sc->tulip_setupdata; 3171 int idx = 0; 3172 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3173 /* 3174 * Else can get perfect filtering for 16 addresses. 3175 */ 3176#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3177 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3178 ifma = ifma->ifma_link.le_next) { 3179 if (ifma->ifma_addr->sa_family != AF_LINK) 3180 continue; 3181 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3182 *sp++ = ((u_int16_t *) addrp)[0]; 3183 *sp++ = ((u_int16_t *) addrp)[1]; 3184 *sp++ = ((u_int16_t *) addrp)[2]; 3185 idx++; 3186 } 3187#else 3188 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3189 for (; enm != NULL; idx++) { 3190 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3191 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 3192 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 3193 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 3194 } else { 3195 sc->tulip_flags |= TULIP_ALLMULTI; 3196 break; 3197 } 3198 ETHER_NEXT_MULTI(step, enm); 3199 } 3200#endif 3201 /* 3202 * Add the broadcast address. 3203 */ 3204 idx++; 3205 *sp++ = 0xFFFF; 3206 *sp++ = 0xFFFF; 3207 *sp++ = 0xFFFF; 3208 } 3209 /* 3210 * Pad the rest with our hardware address 3211 */ 3212 for (; idx < 16; idx++) { 3213 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3214 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3215 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3216 } 3217 } 3218#if defined(IFF_ALLMULTI) 3219 if (sc->tulip_flags & TULIP_ALLMULTI) 3220 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3221#endif 3222} 3223 3224static void 3225tulip_reset( 3226 tulip_softc_t * const sc) 3227{ 3228 tulip_ringinfo_t *ri; 3229 tulip_desc_t *di; 3230 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3231 3232 /* 3233 * Brilliant. Simply brilliant. When switching modes/speeds 3234 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3235 * bits in CSR6 and then do a software reset to get the 21140 3236 * to properly reset its internal pathways to the right places. 3237 * Grrrr. 3238 */ 3239 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3240 && sc->tulip_boardsw->bd_media_preset != NULL) 3241 (*sc->tulip_boardsw->bd_media_preset)(sc); 3242 3243 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3244 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3245 33MHz that comes to two microseconds but wait a 3246 bit longer anyways) */ 3247 3248 if (!inreset) { 3249 sc->tulip_flags |= TULIP_INRESET; 3250 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3251 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3252 sc->tulip_if.if_start = tulip_ifstart; 3253 } 3254 3255#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3256 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3257#else 3258 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3259#endif 3260#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3261 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3262#else 3263 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3264#endif 3265 TULIP_CSR_WRITE(sc, csr_busmode, 3266 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3267 |TULIP_BUSMODE_CACHE_ALIGN8 3268 |TULIP_BUSMODE_READMULTIPLE 3269 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); 3270 3271 sc->tulip_txtimer = 0; 3272 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3273 /* 3274 * Free all the mbufs that were on the transmit ring. 3275 */ 3276 for (;;) { 3277#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3278 bus_dmamap_t map; 3279#endif 3280 struct mbuf *m; 3281 IF_DEQUEUE(&sc->tulip_txq, m); 3282 if (m == NULL) 3283 break; 3284#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3285 map = M_GETCTX(m, bus_dmamap_t); 3286 bus_dmamap_unload(sc->tulip_dmatag, map); 3287 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3288#endif 3289 m_freem(m); 3290 } 3291 3292 ri = &sc->tulip_txinfo; 3293 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3294 ri->ri_free = ri->ri_max; 3295 for (di = ri->ri_first; di < ri->ri_last; di++) 3296 di->d_status = 0; 3297#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3298 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3299 0, sc->tulip_txdescmap->dm_mapsize, 3300 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3301#endif 3302 3303 /* 3304 * We need to collect all the mbufs were on the 3305 * receive ring before we reinit it either to put 3306 * them back on or to know if we have to allocate 3307 * more. 3308 */ 3309 ri = &sc->tulip_rxinfo; 3310 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3311 ri->ri_free = ri->ri_max; 3312 for (di = ri->ri_first; di < ri->ri_last; di++) { 3313 di->d_status = 0; 3314 di->d_length1 = 0; di->d_addr1 = 0; 3315 di->d_length2 = 0; di->d_addr2 = 0; 3316 } 3317#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3318 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3319 0, sc->tulip_rxdescmap->dm_mapsize, 3320 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3321#endif 3322 for (;;) { 3323#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3324 bus_dmamap_t map; 3325#endif 3326 struct mbuf *m; 3327 IF_DEQUEUE(&sc->tulip_rxq, m); 3328 if (m == NULL) 3329 break; 3330#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3331 map = M_GETCTX(m, bus_dmamap_t); 3332 bus_dmamap_unload(sc->tulip_dmatag, map); 3333 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3334#endif 3335 m_freem(m); 3336 } 3337 3338 /* 3339 * If tulip_reset is being called recurisvely, exit quickly knowing 3340 * that when the outer tulip_reset returns all the right stuff will 3341 * have happened. 3342 */ 3343 if (inreset) 3344 return; 3345 3346 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3347 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3348 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3349 |TULIP_STS_RXSTOPPED; 3350 3351 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3352 (*sc->tulip_boardsw->bd_media_select)(sc); 3353#if defined(TULIP_DEBUG) 3354 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3355 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3356 TULIP_PRINTF_ARGS); 3357#endif 3358 tulip_media_print(sc); 3359 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3360 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3361 3362 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3363 |TULIP_RXACT); 3364 tulip_addr_filter(sc); 3365} 3366 3367static void 3368tulip_init( 3369 tulip_softc_t * const sc) 3370{ 3371 if (sc->tulip_if.if_flags & IFF_UP) { 3372 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3373 /* initialize the media */ 3374 tulip_reset(sc); 3375 } 3376 sc->tulip_if.if_flags |= IFF_RUNNING; 3377 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3378 sc->tulip_flags |= TULIP_PROMISC; 3379 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3380 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3381 } else { 3382 sc->tulip_flags &= ~TULIP_PROMISC; 3383 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3384 if (sc->tulip_flags & TULIP_ALLMULTI) { 3385 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3386 } else { 3387 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3388 } 3389 } 3390 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3391 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3392 tulip_rx_intr(sc); 3393 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3394 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3395 } else { 3396 sc->tulip_if.if_flags |= IFF_OACTIVE; 3397 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3398 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3399 } 3400 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3401 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3402 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3403 tulip_txput_setup(sc); 3404 } else { 3405 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3406 tulip_reset(sc); 3407 } 3408} 3409 3410static void 3411tulip_rx_intr( 3412 tulip_softc_t * const sc) 3413{ 3414 TULIP_PERFSTART(rxintr) 3415 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3416 struct ifnet * const ifp = &sc->tulip_if; 3417 int fillok = 1; 3418#if defined(TULIP_DEBUG) 3419 int cnt = 0; 3420#endif 3421 3422 for (;;) { 3423 TULIP_PERFSTART(rxget) 3424 struct ether_header eh; 3425 tulip_desc_t *eop = ri->ri_nextin; 3426 int total_len = 0, last_offset = 0; 3427 struct mbuf *ms = NULL, *me = NULL; 3428 int accept = 0; 3429#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3430 bus_dmamap_t map; 3431 int error; 3432#endif 3433 3434 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3435 goto queue_mbuf; 3436 3437#if defined(TULIP_DEBUG) 3438 if (cnt == ri->ri_max) 3439 break; 3440#endif 3441 /* 3442 * If the TULIP has no descriptors, there can't be any receive 3443 * descriptors to process. 3444 */ 3445 if (eop == ri->ri_nextout) 3446 break; 3447 3448 /* 3449 * 90% of the packets will fit in one descriptor. So we optimize 3450 * for that case. 3451 */ 3452 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3453 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3454 IF_DEQUEUE(&sc->tulip_rxq, ms); 3455 me = ms; 3456 } else { 3457 /* 3458 * If still owned by the TULIP, don't touch it. 3459 */ 3460 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3461 break; 3462 3463 /* 3464 * It is possible (though improbable unless the BIG_PACKET support 3465 * is enabled or MCLBYTES < 1518) for a received packet to cross 3466 * more than one receive descriptor. 3467 */ 3468 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3469 if (++eop == ri->ri_last) 3470 eop = ri->ri_first; 3471 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3472 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3473#if defined(TULIP_DEBUG) 3474 sc->tulip_dbg.dbg_rxintrs++; 3475 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3476#endif 3477 TULIP_PERFEND(rxget); 3478 TULIP_PERFEND(rxintr); 3479 return; 3480 } 3481 total_len++; 3482 } 3483 3484 /* 3485 * Dequeue the first buffer for the start of the packet. Hopefully 3486 * this will be the only one we need to dequeue. However, if the 3487 * packet consumed multiple descriptors, then we need to dequeue 3488 * those buffers and chain to the starting mbuf. All buffers but 3489 * the last buffer have the same length so we can set that now. 3490 * (we add to last_offset instead of multiplying since we normally 3491 * won't go into the loop and thereby saving a ourselves from 3492 * doing a multiplication by 0 in the normal case). 3493 */ 3494 IF_DEQUEUE(&sc->tulip_rxq, ms); 3495 for (me = ms; total_len > 0; total_len--) { 3496#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3497 map = M_GETCTX(me, bus_dmamap_t); 3498 TULIP_RXMAP_POSTSYNC(sc, map); 3499 bus_dmamap_unload(sc->tulip_dmatag, map); 3500 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3501#if defined(DIAGNOSTIC) 3502 M_SETCTX(me, NULL); 3503#endif 3504#endif /* TULIP_BUS_DMA */ 3505 me->m_len = TULIP_RX_BUFLEN; 3506 last_offset += TULIP_RX_BUFLEN; 3507 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3508 me = me->m_next; 3509 } 3510 } 3511 3512 /* 3513 * Now get the size of received packet (minus the CRC). 3514 */ 3515 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3516 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3517 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3518#ifdef BIG_PACKET 3519 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3520 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3521 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3522 TULIP_DSTS_RxOVERFLOW)) == 0) 3523#endif 3524 )) { 3525 me->m_len = total_len - last_offset; 3526 3527#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3528 map = M_GETCTX(me, bus_dmamap_t); 3529 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3530 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3531 bus_dmamap_unload(sc->tulip_dmatag, map); 3532 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3533#if defined(DIAGNOSTIC) 3534 M_SETCTX(me, NULL); 3535#endif 3536#endif /* TULIP_BUS_DMA */ 3537 3538 eh = *mtod(ms, struct ether_header *); 3539#if NBPFILTER > 0 3540 if (sc->tulip_bpf != NULL) { 3541 if (me == ms) 3542 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3543 else 3544 TULIP_BPF_MTAP(sc, ms); 3545 } 3546#endif 3547 sc->tulip_flags |= TULIP_RXACT; 3548 3549#ifdef BRIDGE /* see code in if_ed.c */ 3550 ms->m_pkthdr.rcvif = ifp; /* XXX */ 3551 ms->m_pkthdr.len = total_len; /* XXX */ 3552 if (do_bridge) { 3553 struct ifnet *bdg_ifp ; 3554 bdg_ifp = bridge_in(ms); 3555 if (bdg_ifp == BDG_DROP) 3556 goto next ; /* and drop */ 3557 if (bdg_ifp != BDG_LOCAL) 3558 bdg_forward(&ms, bdg_ifp); 3559 if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && 3560 bdg_ifp != BDG_MCAST) 3561 goto next ; /* and drop */ 3562 /* all others accepted locally */ 3563 } else 3564#endif 3565 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3566 && (eh.ether_dhost[0] & 1) == 0 3567 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3568 goto next; 3569 accept = 1; 3570 total_len -= sizeof(struct ether_header); 3571 } else { 3572 ifp->if_ierrors++; 3573 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3574 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3575 } else { 3576#if defined(TULIP_VERBOSE) 3577 const char *error = NULL; 3578#endif 3579 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3580 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3581#if defined(TULIP_VERBOSE) 3582 error = "frame too long"; 3583#endif 3584 } 3585 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3586 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3587 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3588#if defined(TULIP_VERBOSE) 3589 error = "alignment error"; 3590#endif 3591 } else { 3592 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3593#if defined(TULIP_VERBOSE) 3594 error = "bad crc"; 3595#endif 3596 } 3597 } 3598#if defined(TULIP_VERBOSE) 3599 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3600 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3601 TULIP_PRINTF_ARGS, 3602 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3603 error); 3604 sc->tulip_flags |= TULIP_NOMESSAGES; 3605 } 3606#endif 3607 } 3608 3609#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3610 map = M_GETCTX(me, bus_dmamap_t); 3611 bus_dmamap_unload(sc->tulip_dmatag, map); 3612 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3613#if defined(DIAGNOSTIC) 3614 M_SETCTX(me, NULL); 3615#endif 3616#endif /* TULIP_BUS_DMA */ 3617 } 3618 next: 3619#if defined(TULIP_DEBUG) 3620 cnt++; 3621#endif 3622 ifp->if_ipackets++; 3623 if (++eop == ri->ri_last) 3624 eop = ri->ri_first; 3625 ri->ri_nextin = eop; 3626 queue_mbuf: 3627 /* 3628 * Either we are priming the TULIP with mbufs (m == NULL) 3629 * or we are about to accept an mbuf for the upper layers 3630 * so we need to allocate an mbuf to replace it. If we 3631 * can't replace it, send up it anyways. This may cause 3632 * us to drop packets in the future but that's better than 3633 * being caught in livelock. 3634 * 3635 * Note that if this packet crossed multiple descriptors 3636 * we don't even try to reallocate all the mbufs here. 3637 * Instead we rely on the test of the beginning of 3638 * the loop to refill for the extra consumed mbufs. 3639 */ 3640 if (accept || ms == NULL) { 3641 struct mbuf *m0; 3642 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3643 if (m0 != NULL) { 3644#if defined(TULIP_COPY_RXDATA) 3645 if (!accept || total_len >= MHLEN) { 3646#endif 3647 MCLGET(m0, M_DONTWAIT); 3648 if ((m0->m_flags & M_EXT) == 0) { 3649 m_freem(m0); 3650 m0 = NULL; 3651 } 3652#if defined(TULIP_COPY_RXDATA) 3653 } 3654#endif 3655 } 3656 if (accept 3657#if defined(TULIP_COPY_RXDATA) 3658 && m0 != NULL 3659#endif 3660 ) { 3661#if defined(__bsdi__) 3662 eh.ether_type = ntohs(eh.ether_type); 3663#endif 3664#if !defined(TULIP_COPY_RXDATA) 3665 ms->m_data += sizeof(struct ether_header); 3666 ms->m_len -= sizeof(struct ether_header); 3667 ms->m_pkthdr.len = total_len; 3668 ms->m_pkthdr.rcvif = ifp; 3669 ether_input(ifp, &eh, ms); 3670#else 3671#ifdef BIG_PACKET 3672#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3673#endif 3674 if (ms == me) 3675 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3676 mtod(m0, caddr_t), total_len); 3677 else 3678 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3679 m0->m_len = m0->m_pkthdr.len = total_len; 3680 m0->m_pkthdr.rcvif = ifp; 3681 ether_input(ifp, &eh, m0); 3682 m0 = ms; 3683#endif 3684 } 3685 ms = m0; 3686 } 3687 if (ms == NULL) { 3688 /* 3689 * Couldn't allocate a new buffer. Don't bother 3690 * trying to replenish the receive queue. 3691 */ 3692 fillok = 0; 3693 sc->tulip_flags |= TULIP_RXBUFSLOW; 3694#if defined(TULIP_DEBUG) 3695 sc->tulip_dbg.dbg_rxlowbufs++; 3696#endif 3697 TULIP_PERFEND(rxget); 3698 continue; 3699 } 3700 /* 3701 * Now give the buffer(s) to the TULIP and save in our 3702 * receive queue. 3703 */ 3704 do { 3705 tulip_desc_t * const nextout = ri->ri_nextout; 3706#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3707 if (sc->tulip_rxmaps_free > 0) { 3708 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3709 } else { 3710 m_freem(ms); 3711 sc->tulip_flags |= TULIP_RXBUFSLOW; 3712#if defined(TULIP_DEBUG) 3713 sc->tulip_dbg.dbg_rxlowbufs++; 3714#endif 3715 break; 3716 } 3717 M_SETCTX(ms, map); 3718 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3719 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3720 if (error) { 3721 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3722 "error = %d\n", TULIP_PRINTF_ARGS, error); 3723 panic("tulip_rx_intr"); /* XXX */ 3724 } 3725 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3726 nextout->d_length1 = map->dm_segs[0].ds_len; 3727 if (map->dm_nsegs == 2) { 3728 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3729 nextout->d_length2 = map->dm_segs[1].ds_len; 3730 } else { 3731 nextout->d_addr2 = 0; 3732 nextout->d_length2 = 0; 3733 } 3734 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3735#else /* TULIP_BUS_DMA */ 3736 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3737 nextout->d_length1 = TULIP_RX_BUFLEN; 3738#endif /* TULIP_BUS_DMA */ 3739 nextout->d_status = TULIP_DSTS_OWNER; 3740 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3741 if (++ri->ri_nextout == ri->ri_last) 3742 ri->ri_nextout = ri->ri_first; 3743 me = ms->m_next; 3744 ms->m_next = NULL; 3745 IF_ENQUEUE(&sc->tulip_rxq, ms); 3746 } while ((ms = me) != NULL); 3747 3748 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3749 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3750 TULIP_PERFEND(rxget); 3751 } 3752 3753#if defined(TULIP_DEBUG) 3754 sc->tulip_dbg.dbg_rxintrs++; 3755 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3756#endif 3757 TULIP_PERFEND(rxintr); 3758} 3759 3760static int 3761tulip_tx_intr( 3762 tulip_softc_t * const sc) 3763{ 3764 TULIP_PERFSTART(txintr) 3765 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3766 struct mbuf *m; 3767 int xmits = 0; 3768 int descs = 0; 3769 3770 while (ri->ri_free < ri->ri_max) { 3771 u_int32_t d_flag; 3772 3773 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3774 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3775 break; 3776 3777 ri->ri_free++; 3778 descs++; 3779 d_flag = ri->ri_nextin->d_flag; 3780 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3781 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3782 /* 3783 * We've just finished processing a setup packet. 3784 * Mark that we finished it. If there's not 3785 * another pending, startup the TULIP receiver. 3786 * Make sure we ack the RXSTOPPED so we won't get 3787 * an abormal interrupt indication. 3788 */ 3789 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3790 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3791 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3792 sc->tulip_flags |= TULIP_HASHONLY; 3793 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3794 tulip_rx_intr(sc); 3795 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3796 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3797 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3798 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3799 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3800 } 3801 } else { 3802 const u_int32_t d_status = ri->ri_nextin->d_status; 3803 IF_DEQUEUE(&sc->tulip_txq, m); 3804 if (m != NULL) { 3805#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3806 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3807 TULIP_TXMAP_POSTSYNC(sc, map); 3808 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3809#endif /* TULIP_BUS_DMA */ 3810#if NBPFILTER > 0 3811 if (sc->tulip_bpf != NULL) 3812 TULIP_BPF_MTAP(sc, m); 3813#endif 3814 m_freem(m); 3815#if defined(TULIP_DEBUG) 3816 } else { 3817 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3818#endif 3819 } 3820 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3821 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3822 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3823#if defined(TULIP_DEBUG) 3824 if (d_status & TULIP_DSTS_TxNOCARR) 3825 sc->tulip_dbg.dbg_txprobe_nocarr++; 3826 if (d_status & TULIP_DSTS_TxEXCCOLL) 3827 sc->tulip_dbg.dbg_txprobe_exccoll++; 3828#endif 3829 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3830 } 3831 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3832 /* 3833 * Escape from the loop before media poll has reset the TULIP! 3834 */ 3835 break; 3836 } else { 3837 xmits++; 3838 if (d_status & TULIP_DSTS_ERRSUM) { 3839 sc->tulip_if.if_oerrors++; 3840 if (d_status & TULIP_DSTS_TxEXCCOLL) 3841 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3842 if (d_status & TULIP_DSTS_TxLATECOLL) 3843 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3844 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3845 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3846 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3847 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3848 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3849 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3850 if (d_status & TULIP_DSTS_TxBABBLE) 3851 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3852 } else { 3853 u_int32_t collisions = 3854 (d_status & TULIP_DSTS_TxCOLLMASK) 3855 >> TULIP_DSTS_V_TxCOLLCNT; 3856 sc->tulip_if.if_collisions += collisions; 3857 if (collisions == 1) 3858 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3859 else if (collisions > 1) 3860 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3861 else if (d_status & TULIP_DSTS_TxDEFERRED) 3862 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3863 /* 3864 * SQE is only valid for 10baseT/BNC/AUI when not 3865 * running in full-duplex. In order to speed up the 3866 * test, the corresponding bit in tulip_flags needs to 3867 * set as well to get us to count SQE Test Errors. 3868 */ 3869 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3870 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3871 } 3872 } 3873 } 3874 } 3875 3876 if (++ri->ri_nextin == ri->ri_last) 3877 ri->ri_nextin = ri->ri_first; 3878 3879 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3880 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3881 } 3882 /* 3883 * If nothing left to transmit, disable the timer. 3884 * Else if progress, reset the timer back to 2 ticks. 3885 */ 3886 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3887 sc->tulip_txtimer = 0; 3888 else if (xmits > 0) 3889 sc->tulip_txtimer = TULIP_TXTIMER; 3890 sc->tulip_if.if_opackets += xmits; 3891 TULIP_PERFEND(txintr); 3892 return descs; 3893} 3894 3895static void 3896tulip_print_abnormal_interrupt( 3897 tulip_softc_t * const sc, 3898 u_int32_t csr) 3899{ 3900 const char * const *msgp = tulip_status_bits; 3901 const char *sep; 3902 u_int32_t mask; 3903 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3904 3905 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3906 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3907 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3908 if ((csr & mask) && *msgp != NULL) { 3909 printf("%s%s", sep, *msgp); 3910 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3911 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3912 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3913 printf(" (switching to store-and-forward mode)"); 3914 } else { 3915 printf(" (raising TX threshold to %s)", 3916 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3917 } 3918 } 3919 sep = ", "; 3920 } 3921 } 3922 printf("\n"); 3923} 3924 3925static void 3926tulip_intr_handler( 3927 tulip_softc_t * const sc, 3928 int *progress_p) 3929{ 3930 TULIP_PERFSTART(intr) 3931 u_int32_t csr; 3932#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3933 int only_once; 3934 3935 only_once = 1; 3936#endif 3937 3938 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3939#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3940 if (only_once == 1) { 3941#if NRND > 0 3942 rnd_add_uint32(&sc->tulip_rndsource, csr); 3943#endif 3944 only_once = 0; 3945 } 3946#endif 3947 3948 *progress_p = 1; 3949 TULIP_CSR_WRITE(sc, csr_status, csr); 3950 3951 if (csr & TULIP_STS_SYSERROR) { 3952 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3953 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3954 sc->tulip_flags |= TULIP_SYSTEMERROR; 3955 } else { 3956 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3957 TULIP_PRINTF_ARGS, 3958 tulip_system_errors[sc->tulip_last_system_error]); 3959 } 3960 sc->tulip_flags |= TULIP_NEEDRESET; 3961 sc->tulip_system_errors++; 3962 break; 3963 } 3964 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3965#if defined(TULIP_DEBUG) 3966 sc->tulip_dbg.dbg_link_intrs++; 3967#endif 3968 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3969 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3970 ? TULIP_MEDIAPOLL_LINKFAIL 3971 : TULIP_MEDIAPOLL_LINKPASS); 3972 csr &= ~TULIP_STS_ABNRMLINTR; 3973 } 3974 tulip_media_print(sc); 3975 } 3976 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3977 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3978 if (csr & TULIP_STS_RXNOBUF) 3979 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3980 /* 3981 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3982 * on receive overflows. 3983 */ 3984 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3985 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3986 /* 3987 * Stop the receiver process and spin until it's stopped. 3988 * Tell rx_intr to drop the packets it dequeues. 3989 */ 3990 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3991 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3992 ; 3993 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3994 sc->tulip_flags |= TULIP_RXIGNORE; 3995 } 3996 tulip_rx_intr(sc); 3997 if (sc->tulip_flags & TULIP_RXIGNORE) { 3998 /* 3999 * Restart the receiver. 4000 */ 4001 sc->tulip_flags &= ~TULIP_RXIGNORE; 4002 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4003 } 4004 } 4005 if (csr & TULIP_STS_ABNRMLINTR) { 4006 u_int32_t tmp = csr & sc->tulip_intrmask 4007 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 4008 if (csr & TULIP_STS_TXUNDERFLOW) { 4009 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 4010 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 4011 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4012 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 4013 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4014 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4015 } 4016 } 4017 if (sc->tulip_flags & TULIP_NOMESSAGES) { 4018 sc->tulip_statusbits |= tmp; 4019 } else { 4020 tulip_print_abnormal_interrupt(sc, tmp); 4021 sc->tulip_flags |= TULIP_NOMESSAGES; 4022 } 4023 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4024 } 4025 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 4026 tulip_tx_intr(sc); 4027 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 4028 tulip_ifstart(&sc->tulip_if); 4029 } 4030 } 4031 if (sc->tulip_flags & TULIP_NEEDRESET) { 4032 tulip_reset(sc); 4033 tulip_init(sc); 4034 } 4035 TULIP_PERFEND(intr); 4036} 4037 4038#if defined(TULIP_USE_SOFTINTR) 4039/* 4040 * This is a experimental idea to alleviate problems due to interrupt 4041 * livelock. What is interrupt livelock? It's when you spend all your 4042 * time servicing device interrupts and never drop below device ipl 4043 * to do "useful" work. 4044 * 4045 * So what we do here is see if the device needs service and if so, 4046 * disable interrupts (dismiss the interrupt), place it in a list of devices 4047 * needing service, and issue a network software interrupt. 4048 * 4049 * When our network software interrupt routine gets called, we simply 4050 * walk done the list of devices that we have created and deal with them 4051 * at splnet/splsoftnet. 4052 * 4053 */ 4054static void 4055tulip_hardintr_handler( 4056 tulip_softc_t * const sc, 4057 int *progress_p) 4058{ 4059 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 4060 return; 4061 *progress_p = 1; 4062 /* 4063 * disable interrupts 4064 */ 4065 TULIP_CSR_WRITE(sc, csr_intr, 0); 4066 /* 4067 * mark it as needing a software interrupt 4068 */ 4069 tulip_softintr_mask |= (1U << sc->tulip_unit); 4070 4071#if defined(__NetBSD__) && NRND > 0 4072 /* 4073 * This isn't all that random (the value we feed in) but it is 4074 * better than a constant probably. It isn't used in entropy 4075 * calculation anyway, just to add something to the pool. 4076 */ 4077 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 4078#endif 4079} 4080 4081static void 4082tulip_softintr( 4083 void) 4084{ 4085 u_int32_t softintr_mask, mask; 4086 int progress = 0; 4087 int unit; 4088 tulip_spl_t s; 4089 4090 /* 4091 * Copy mask to local copy and reset global one to 0. 4092 */ 4093 s = TULIP_RAISESPL(); 4094 softintr_mask = tulip_softintr_mask; 4095 tulip_softintr_mask = 0; 4096 TULIP_RESTORESPL(s); 4097 4098 /* 4099 * Optimize for the single unit case. 4100 */ 4101 if (tulip_softintr_max_unit == 0) { 4102 if (softintr_mask & 1) { 4103 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 4104 /* 4105 * Handle the "interrupt" and then reenable interrupts 4106 */ 4107 softintr_mask = 0; 4108 tulip_intr_handler(sc, &progress); 4109 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4110 } 4111 return; 4112 } 4113 4114 /* 4115 * Handle all "queued" interrupts in a round robin fashion. 4116 * This is done so as not to favor a particular interface. 4117 */ 4118 unit = tulip_softintr_last_unit; 4119 mask = (1U << unit); 4120 while (softintr_mask != 0) { 4121 if (tulip_softintr_max_unit == unit) { 4122 unit = 0; mask = 1; 4123 } else { 4124 unit += 1; mask <<= 1; 4125 } 4126 if (softintr_mask & mask) { 4127 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 4128 /* 4129 * Handle the "interrupt" and then reenable interrupts 4130 */ 4131 softintr_mask ^= mask; 4132 tulip_intr_handler(sc, &progress); 4133 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4134 } 4135 } 4136 4137 /* 4138 * Save where we ending up. 4139 */ 4140 tulip_softintr_last_unit = unit; 4141} 4142#endif /* TULIP_USE_SOFTINTR */ 4143 4144static tulip_intrfunc_t 4145tulip_intr_shared( 4146 void *arg) 4147{ 4148 tulip_softc_t * sc = arg; 4149 int progress = 0; 4150 4151 for (; sc != NULL; sc = sc->tulip_slaves) { 4152#if defined(TULIP_DEBUG) 4153 sc->tulip_dbg.dbg_intrs++; 4154#endif 4155#if defined(TULIP_USE_SOFTINTR) 4156 tulip_hardintr_handler(sc, &progress); 4157#else 4158 tulip_intr_handler(sc, &progress); 4159#endif 4160 } 4161#if defined(TULIP_USE_SOFTINTR) 4162 if (progress) 4163 schednetisr(NETISR_DE); 4164#endif 4165#if !defined(TULIP_VOID_INTRFUNC) 4166 return progress; 4167#endif 4168} 4169 4170static tulip_intrfunc_t 4171tulip_intr_normal( 4172 void *arg) 4173{ 4174 tulip_softc_t * sc = (tulip_softc_t *) arg; 4175 int progress = 0; 4176 4177#if defined(TULIP_DEBUG) 4178 sc->tulip_dbg.dbg_intrs++; 4179#endif 4180#if defined(TULIP_USE_SOFTINTR) 4181 tulip_hardintr_handler(sc, &progress); 4182 if (progress) 4183 schednetisr(NETISR_DE); 4184#else 4185 tulip_intr_handler(sc, &progress); 4186#endif 4187#if !defined(TULIP_VOID_INTRFUNC) 4188 return progress; 4189#endif 4190} 4191 4192static struct mbuf * 4193tulip_mbuf_compress( 4194 struct mbuf *m) 4195{ 4196 struct mbuf *m0; 4197#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4198 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4199 if (m0 != NULL) { 4200 if (m->m_pkthdr.len > MHLEN) { 4201 MCLGET(m0, M_DONTWAIT); 4202 if ((m0->m_flags & M_EXT) == 0) { 4203 m_freem(m); 4204 m_freem(m0); 4205 return NULL; 4206 } 4207 } 4208 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4209 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4210 } 4211#else 4212 int mlen = MHLEN; 4213 int len = m->m_pkthdr.len; 4214 struct mbuf **mp = &m0; 4215 4216 while (len > 0) { 4217 if (mlen == MHLEN) { 4218 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4219 } else { 4220 MGET(*mp, M_DONTWAIT, MT_DATA); 4221 } 4222 if (*mp == NULL) { 4223 m_freem(m0); 4224 m0 = NULL; 4225 break; 4226 } 4227 if (len > MLEN) { 4228 MCLGET(*mp, M_DONTWAIT); 4229 if (((*mp)->m_flags & M_EXT) == 0) { 4230 m_freem(m0); 4231 m0 = NULL; 4232 break; 4233 } 4234 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4235 } else { 4236 (*mp)->m_len = len <= mlen ? len : mlen; 4237 } 4238 m_copydata(m, m->m_pkthdr.len - len, 4239 (*mp)->m_len, mtod((*mp), caddr_t)); 4240 len -= (*mp)->m_len; 4241 mp = &(*mp)->m_next; 4242 mlen = MLEN; 4243 } 4244#endif 4245 m_freem(m); 4246 return m0; 4247} 4248 4249static struct mbuf * 4250tulip_txput( 4251 tulip_softc_t * const sc, 4252 struct mbuf *m) 4253{ 4254 TULIP_PERFSTART(txput) 4255 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4256 tulip_desc_t *eop, *nextout; 4257 int segcnt, free; 4258 u_int32_t d_status; 4259#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4260 bus_dmamap_t map; 4261 int error; 4262#else 4263 struct mbuf *m0; 4264#endif 4265 4266#if defined(TULIP_DEBUG) 4267 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4268 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4269 TULIP_PRINTF_ARGS, 4270 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4271 sc->tulip_flags |= TULIP_WANTTXSTART; 4272 sc->tulip_dbg.dbg_txput_finishes[0]++; 4273 goto finish; 4274 } 4275#endif 4276 4277 /* 4278 * Now we try to fill in our transmit descriptors. This is 4279 * a bit reminiscent of going on the Ark two by two 4280 * since each descriptor for the TULIP can describe 4281 * two buffers. So we advance through packet filling 4282 * each of the two entries at a time to to fill each 4283 * descriptor. Clear the first and last segment bits 4284 * in each descriptor (actually just clear everything 4285 * but the end-of-ring or chain bits) to make sure 4286 * we don't get messed up by previously sent packets. 4287 * 4288 * We may fail to put the entire packet on the ring if 4289 * there is either not enough ring entries free or if the 4290 * packet has more than MAX_TXSEG segments. In the former 4291 * case we will just wait for the ring to empty. In the 4292 * latter case we have to recopy. 4293 */ 4294#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4295 again: 4296 m0 = m; 4297#endif 4298 d_status = 0; 4299 eop = nextout = ri->ri_nextout; 4300 segcnt = 0; 4301 free = ri->ri_free; 4302 4303#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4304 /* 4305 * Reclaim some dma maps from if we are out. 4306 */ 4307 if (sc->tulip_txmaps_free == 0) { 4308#if defined(TULIP_DEBUG) 4309 sc->tulip_dbg.dbg_no_txmaps++; 4310#endif 4311 free += tulip_tx_intr(sc); 4312 } 4313 if (sc->tulip_txmaps_free > 0) { 4314 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4315 } else { 4316 sc->tulip_flags |= TULIP_WANTTXSTART; 4317#if defined(TULIP_DEBUG) 4318 sc->tulip_dbg.dbg_txput_finishes[1]++; 4319#endif 4320 goto finish; 4321 } 4322 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4323 if (error != 0) { 4324 if (error == EFBIG) { 4325 /* 4326 * The packet exceeds the number of transmit buffer 4327 * entries that we can use for one packet, so we have 4328 * to recopy it into one mbuf and then try again. 4329 */ 4330 m = tulip_mbuf_compress(m); 4331 if (m == NULL) { 4332#if defined(TULIP_DEBUG) 4333 sc->tulip_dbg.dbg_txput_finishes[2]++; 4334#endif 4335 goto finish; 4336 } 4337 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4338 } 4339 if (error != 0) { 4340 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 4341 "error = %d\n", TULIP_PRINTF_ARGS, error); 4342#if defined(TULIP_DEBUG) 4343 sc->tulip_dbg.dbg_txput_finishes[3]++; 4344#endif 4345 goto finish; 4346 } 4347 } 4348 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4349 /* 4350 * See if there's any unclaimed space in the transmit ring. 4351 */ 4352 && (free += tulip_tx_intr(sc)) <= 0) { 4353 /* 4354 * There's no more room but since nothing 4355 * has been committed at this point, just 4356 * show output is active, put back the 4357 * mbuf and return. 4358 */ 4359 sc->tulip_flags |= TULIP_WANTTXSTART; 4360#if defined(TULIP_DEBUG) 4361 sc->tulip_dbg.dbg_txput_finishes[4]++; 4362#endif 4363 bus_dmamap_unload(sc->tulip_dmatag, map); 4364 goto finish; 4365 } 4366 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4367 eop = nextout; 4368 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4369 eop->d_status = d_status; 4370 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4371 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4372 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4373 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4374 d_status = TULIP_DSTS_OWNER; 4375 if (++nextout == ri->ri_last) 4376 nextout = ri->ri_first; 4377 } 4378 if (segcnt < map->dm_nsegs) { 4379 eop = nextout; 4380 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4381 eop->d_status = d_status; 4382 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4383 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4384 eop->d_addr2 = 0; 4385 eop->d_length2 = 0; 4386 if (++nextout == ri->ri_last) 4387 nextout = ri->ri_first; 4388 } 4389 TULIP_TXMAP_PRESYNC(sc, map); 4390 M_SETCTX(m, map); 4391 map = NULL; 4392 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4393 4394#else /* !TULIP_BUS_DMA */ 4395 4396 do { 4397 int len = m0->m_len; 4398 caddr_t addr = mtod(m0, caddr_t); 4399 unsigned clsize = CLBYTES - (((uintptr_t) addr) & (CLBYTES-1)); 4400 4401 while (len > 0) { 4402 unsigned slen = min(len, clsize); 4403#ifdef BIG_PACKET 4404 int partial = 0; 4405 if (slen >= 2048) 4406 slen = 2040, partial = 1; 4407#endif 4408 segcnt++; 4409 if (segcnt > TULIP_MAX_TXSEG) { 4410 /* 4411 * The packet exceeds the number of transmit buffer 4412 * entries that we can use for one packet, so we have 4413 * recopy it into one mbuf and then try again. 4414 */ 4415 m = tulip_mbuf_compress(m); 4416 if (m == NULL) 4417 goto finish; 4418 goto again; 4419 } 4420 if (segcnt & 1) { 4421 if (--free == 0) { 4422 /* 4423 * See if there's any unclaimed space in the 4424 * transmit ring. 4425 */ 4426 if ((free += tulip_tx_intr(sc)) == 0) { 4427 /* 4428 * There's no more room but since nothing 4429 * has been committed at this point, just 4430 * show output is active, put back the 4431 * mbuf and return. 4432 */ 4433 sc->tulip_flags |= TULIP_WANTTXSTART; 4434#if defined(TULIP_DEBUG) 4435 sc->tulip_dbg.dbg_txput_finishes[1]++; 4436#endif 4437 goto finish; 4438 } 4439 } 4440 eop = nextout; 4441 if (++nextout == ri->ri_last) 4442 nextout = ri->ri_first; 4443 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4444 eop->d_status = d_status; 4445 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4446 eop->d_length1 = slen; 4447 } else { 4448 /* 4449 * Fill in second half of descriptor 4450 */ 4451 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4452 eop->d_length2 = slen; 4453 } 4454 d_status = TULIP_DSTS_OWNER; 4455 len -= slen; 4456 addr += slen; 4457#ifdef BIG_PACKET 4458 if (partial) 4459 continue; 4460#endif 4461 clsize = CLBYTES; 4462 } 4463 } while ((m0 = m0->m_next) != NULL); 4464#endif /* TULIP_BUS_DMA */ 4465 4466 /* 4467 * The descriptors have been filled in. Now get ready 4468 * to transmit. 4469 */ 4470 IF_ENQUEUE(&sc->tulip_txq, m); 4471 m = NULL; 4472 4473 /* 4474 * Make sure the next descriptor after this packet is owned 4475 * by us since it may have been set up above if we ran out 4476 * of room in the ring. 4477 */ 4478 nextout->d_status = 0; 4479 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4480 4481#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4482 /* 4483 * If we only used the first segment of the last descriptor, 4484 * make sure the second segment will not be used. 4485 */ 4486 if (segcnt & 1) { 4487 eop->d_addr2 = 0; 4488 eop->d_length2 = 0; 4489 } 4490#endif /* TULIP_BUS_DMA */ 4491 4492 /* 4493 * Mark the last and first segments, indicate we want a transmit 4494 * complete interrupt, and tell it to transmit! 4495 */ 4496 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4497 4498 /* 4499 * Note that ri->ri_nextout is still the start of the packet 4500 * and until we set the OWNER bit, we can still back out of 4501 * everything we have done. 4502 */ 4503 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4504#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4505 if (eop < ri->ri_nextout) { 4506 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4507 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4508 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4509 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4510 } else { 4511 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4512 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4513 } 4514#endif 4515 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4516 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4517 4518 /* 4519 * This advances the ring for us. 4520 */ 4521 ri->ri_nextout = nextout; 4522 ri->ri_free = free; 4523 4524 TULIP_PERFEND(txput); 4525 4526 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4527 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4528 sc->tulip_if.if_flags |= IFF_OACTIVE; 4529 sc->tulip_if.if_start = tulip_ifstart; 4530 TULIP_PERFEND(txput); 4531 return NULL; 4532 } 4533 4534 /* 4535 * switch back to the single queueing ifstart. 4536 */ 4537 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4538 if (sc->tulip_txtimer == 0) 4539 sc->tulip_txtimer = TULIP_TXTIMER; 4540#if defined(TULIP_DEBUG) 4541 sc->tulip_dbg.dbg_txput_finishes[5]++; 4542#endif 4543 4544 /* 4545 * If we want a txstart, there must be not enough space in the 4546 * transmit ring. So we want to enable transmit done interrupts 4547 * so we can immediately reclaim some space. When the transmit 4548 * interrupt is posted, the interrupt handler will call tx_intr 4549 * to reclaim space and then txstart (since WANTTXSTART is set). 4550 * txstart will move the packet into the transmit ring and clear 4551 * WANTTXSTART thereby causing TXINTR to be cleared. 4552 */ 4553 finish: 4554#if defined(TULIP_DEBUG) 4555 sc->tulip_dbg.dbg_txput_finishes[6]++; 4556#endif 4557 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4558 sc->tulip_if.if_flags |= IFF_OACTIVE; 4559 sc->tulip_if.if_start = tulip_ifstart; 4560 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4561 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4562 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4563 } 4564 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4565 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4566 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4567 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4568 } 4569 } 4570 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4571 TULIP_PERFEND(txput); 4572 return m; 4573} 4574 4575static void 4576tulip_txput_setup( 4577 tulip_softc_t * const sc) 4578{ 4579 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4580 tulip_desc_t *nextout; 4581 4582 /* 4583 * We will transmit, at most, one setup packet per call to ifstart. 4584 */ 4585 4586#if defined(TULIP_DEBUG) 4587 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4588 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4589 TULIP_PRINTF_ARGS); 4590 sc->tulip_flags |= TULIP_WANTTXSTART; 4591 sc->tulip_if.if_start = tulip_ifstart; 4592 return; 4593 } 4594#endif 4595 /* 4596 * Try to reclaim some free descriptors.. 4597 */ 4598 if (ri->ri_free < 2) 4599 tulip_tx_intr(sc); 4600 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4601 sc->tulip_flags |= TULIP_WANTTXSTART; 4602 sc->tulip_if.if_start = tulip_ifstart; 4603 return; 4604 } 4605 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4606 sizeof(sc->tulip_setupbuf)); 4607 /* 4608 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4609 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4610 */ 4611 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4612 ri->ri_free--; 4613 nextout = ri->ri_nextout; 4614 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4615 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4616 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4617 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4618 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4619 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4620 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4621 4622 nextout->d_length2 = 0; 4623 nextout->d_addr2 = 0; 4624#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4625 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4626 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4627 if (sc->tulip_setupmap->dm_nsegs == 2) { 4628 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4629 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4630 } 4631 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4632 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4633#else 4634 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4635 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4636#endif 4637 4638 /* 4639 * Advance the ring for the next transmit packet. 4640 */ 4641 if (++ri->ri_nextout == ri->ri_last) 4642 ri->ri_nextout = ri->ri_first; 4643 4644 /* 4645 * Make sure the next descriptor is owned by us since it 4646 * may have been set up above if we ran out of room in the 4647 * ring. 4648 */ 4649 ri->ri_nextout->d_status = 0; 4650 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4651 nextout->d_status = TULIP_DSTS_OWNER; 4652 /* 4653 * Flush the ownwership of the current descriptor 4654 */ 4655 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4656 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4657 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4658 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4659 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4660 } 4661} 4662 4663 4664/* 4665 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4666 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4667 * defined or not. 4668 */ 4669static int 4670tulip_ifioctl( 4671 struct ifnet * ifp, 4672 ioctl_cmd_t cmd, 4673 caddr_t data) 4674{ 4675 TULIP_PERFSTART(ifioctl) 4676 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4677 struct ifaddr *ifa = (struct ifaddr *)data; 4678 struct ifreq *ifr = (struct ifreq *) data; 4679 tulip_spl_t s; 4680 int error = 0; 4681 4682#if defined(TULIP_USE_SOFTINTR) 4683 s = TULIP_RAISESOFTSPL(); 4684#else 4685 s = TULIP_RAISESPL(); 4686#endif 4687 switch (cmd) { 4688 case SIOCSIFADDR: { 4689 ifp->if_flags |= IFF_UP; 4690 switch(ifa->ifa_addr->sa_family) { 4691#ifdef INET 4692 case AF_INET: { 4693 tulip_init(sc); 4694 TULIP_ARP_IFINIT(sc, ifa); 4695 break; 4696 } 4697#endif /* INET */ 4698 4699#ifdef IPX 4700 case AF_IPX: { 4701 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4702 if (ipx_nullhost(*ina)) { 4703 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4704 } else { 4705 ifp->if_flags &= ~IFF_RUNNING; 4706 bcopy((caddr_t)ina->x_host.c_host, 4707 (caddr_t)sc->tulip_enaddr, 4708 sizeof(sc->tulip_enaddr)); 4709 } 4710 tulip_init(sc); 4711 break; 4712 } 4713#endif /* IPX */ 4714 4715#ifdef NS 4716 /* 4717 * This magic copied from if_is.c; I don't use XNS, 4718 * so I have no way of telling if this actually 4719 * works or not. 4720 */ 4721 case AF_NS: { 4722 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4723 if (ns_nullhost(*ina)) { 4724 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4725 } else { 4726 ifp->if_flags &= ~IFF_RUNNING; 4727 bcopy((caddr_t)ina->x_host.c_host, 4728 (caddr_t)sc->tulip_enaddr, 4729 sizeof(sc->tulip_enaddr)); 4730 } 4731 tulip_init(sc); 4732 break; 4733 } 4734#endif /* NS */ 4735 4736 default: { 4737 tulip_init(sc); 4738 break; 4739 } 4740 } 4741 break; 4742 } 4743 case SIOCGIFADDR: { 4744 bcopy((caddr_t) sc->tulip_enaddr, 4745 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4746 6); 4747 break; 4748 } 4749 4750 case SIOCSIFFLAGS: { 4751#if !defined(IFM_ETHER) 4752 int flags = 0; 4753 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4754 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4755 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4756 if (flags == 7) { 4757 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4758 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4759 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4760 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4761 tulip_reset(sc); 4762 } else if (flags) { 4763 tulip_media_t media; 4764 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4765 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4766 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4767 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4768 sc->tulip_flags &= ~TULIP_DIDNWAY; 4769 tulip_linkup(sc, media); 4770 } 4771 break; 4772 } 4773 } 4774 if (flags) 4775 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4776 } 4777#endif 4778 tulip_addr_filter(sc); /* reinit multicast filter */ 4779 tulip_init(sc); 4780 break; 4781 } 4782 4783#if defined(SIOCSIFMEDIA) 4784 case SIOCSIFMEDIA: 4785 case SIOCGIFMEDIA: { 4786 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4787 break; 4788 } 4789#endif 4790 4791 case SIOCADDMULTI: 4792 case SIOCDELMULTI: { 4793 /* 4794 * Update multicast listeners 4795 */ 4796#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 4797 tulip_addr_filter(sc); /* reset multicast filtering */ 4798 tulip_init(sc); 4799 error = 0; 4800#else 4801 if (cmd == SIOCADDMULTI) 4802 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4803 else 4804 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4805 4806 if (error == ENETRESET) { 4807 tulip_addr_filter(sc); /* reset multicast filtering */ 4808 tulip_init(sc); 4809 error = 0; 4810 } 4811#endif 4812 break; 4813 } 4814#if defined(SIOCSIFMTU) 4815#if !defined(ifr_mtu) 4816#define ifr_mtu ifr_metric 4817#endif 4818 case SIOCSIFMTU: 4819 /* 4820 * Set the interface MTU. 4821 */ 4822 if (ifr->ifr_mtu > ETHERMTU 4823#ifdef BIG_PACKET 4824 && sc->tulip_chipid != TULIP_21140 4825 && sc->tulip_chipid != TULIP_21140A 4826 && sc->tulip_chipid != TULIP_21041 4827#endif 4828 ) { 4829 error = EINVAL; 4830 break; 4831 } 4832 ifp->if_mtu = ifr->ifr_mtu; 4833#ifdef BIG_PACKET 4834 tulip_reset(sc); 4835 tulip_init(sc); 4836#endif 4837 break; 4838#endif /* SIOCSIFMTU */ 4839 4840#ifdef SIOCGADDRROM 4841 case SIOCGADDRROM: { 4842 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4843 break; 4844 } 4845#endif 4846#ifdef SIOCGCHIPID 4847 case SIOCGCHIPID: { 4848 ifr->ifr_metric = (int) sc->tulip_chipid; 4849 break; 4850 } 4851#endif 4852 default: { 4853 error = EINVAL; 4854 break; 4855 } 4856 } 4857 4858 TULIP_RESTORESPL(s); 4859 TULIP_PERFEND(ifioctl); 4860 return error; 4861} 4862 4863/* 4864 * These routines gets called at device spl (from ether_output). This might 4865 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4866 * device spl from another driver. 4867 */ 4868 4869static ifnet_ret_t 4870tulip_ifstart( 4871 struct ifnet * const ifp) 4872{ 4873 TULIP_PERFSTART(ifstart) 4874 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4875 4876 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4877 4878 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4879 tulip_txput_setup(sc); 4880 4881 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4882 struct mbuf *m; 4883 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4884 if ((m = tulip_txput(sc, m)) != NULL) { 4885 IF_PREPEND(&sc->tulip_if.if_snd, m); 4886 break; 4887 } 4888 } 4889 if (sc->tulip_if.if_snd.ifq_head == NULL) 4890 sc->tulip_if.if_start = tulip_ifstart_one; 4891 } 4892 4893 TULIP_PERFEND(ifstart); 4894} 4895 4896static ifnet_ret_t 4897tulip_ifstart_one( 4898 struct ifnet * const ifp) 4899{ 4900 TULIP_PERFSTART(ifstart_one) 4901 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4902 4903 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4904 && sc->tulip_if.if_snd.ifq_head != NULL) { 4905 struct mbuf *m; 4906 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4907 if ((m = tulip_txput(sc, m)) != NULL) 4908 IF_PREPEND(&sc->tulip_if.if_snd, m); 4909 } 4910 TULIP_PERFEND(ifstart_one); 4911} 4912 4913/* 4914 * Even though this routine runs at device spl, it does not break 4915 * our use of splnet (splsoftnet under NetBSD) for the majority 4916 * of this driver (if TULIP_USE_SOFTINTR defined) since 4917 * if_watcbog is called from if_watchdog which is called from 4918 * splsoftclock which is below spl[soft]net. 4919 */ 4920static void 4921tulip_ifwatchdog( 4922 struct ifnet *ifp) 4923{ 4924 TULIP_PERFSTART(ifwatchdog) 4925 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4926 4927#if defined(TULIP_DEBUG) 4928 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4929 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4930 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4931 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4932#endif /* TULIP_DEBUG */ 4933 4934 sc->tulip_if.if_timer = 1; 4935 /* 4936 * These should be rare so do a bulk test up front so we can just skip 4937 * them if needed. 4938 */ 4939 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4940 /* 4941 * If the number of receive buffer is low, try to refill 4942 */ 4943 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4944 tulip_rx_intr(sc); 4945 4946 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4947 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4948 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4949 tulip_system_errors[sc->tulip_last_system_error]); 4950 } 4951 if (sc->tulip_statusbits) { 4952 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4953 sc->tulip_statusbits = 0; 4954 } 4955 4956 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4957 } 4958 4959 if (sc->tulip_txtimer) 4960 tulip_tx_intr(sc); 4961 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4962 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4963 if (TULIP_DO_AUTOSENSE(sc)) { 4964 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4965 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4966 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4967 } 4968 tulip_reset(sc); 4969 tulip_init(sc); 4970 } 4971 4972 TULIP_PERFEND(ifwatchdog); 4973 TULIP_PERFMERGE(sc, perf_intr_cycles); 4974 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4975 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4976 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4977 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4978 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4979 TULIP_PERFMERGE(sc, perf_txput_cycles); 4980 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4981 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4982 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4983 TULIP_PERFMERGE(sc, perf_intr); 4984 TULIP_PERFMERGE(sc, perf_ifstart); 4985 TULIP_PERFMERGE(sc, perf_ifioctl); 4986 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4987 TULIP_PERFMERGE(sc, perf_timeout); 4988 TULIP_PERFMERGE(sc, perf_ifstart_one); 4989 TULIP_PERFMERGE(sc, perf_txput); 4990 TULIP_PERFMERGE(sc, perf_txintr); 4991 TULIP_PERFMERGE(sc, perf_rxintr); 4992 TULIP_PERFMERGE(sc, perf_rxget); 4993} 4994 4995#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4996static ifnet_ret_t 4997tulip_ifwatchdog_wrapper( 4998 int unit) 4999{ 5000 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 5001} 5002#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 5003#endif 5004 5005/* 5006 * All printf's are real as of now! 5007 */ 5008#ifdef printf 5009#undef printf 5010#endif 5011#if !defined(IFF_NOTRAILERS) 5012#define IFF_NOTRAILERS 0 5013#endif 5014 5015static void 5016tulip_attach( 5017 tulip_softc_t * const sc) 5018{ 5019 struct ifnet * const ifp = &sc->tulip_if; 5020 5021 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 5022 ifp->if_ioctl = tulip_ifioctl; 5023 ifp->if_start = tulip_ifstart; 5024 ifp->if_watchdog = tulip_ifwatchdog; 5025 ifp->if_timer = 1; 5026#if !defined(__bsdi__) || _BSDI_VERSION < 199401 5027 ifp->if_output = ether_output; 5028#endif 5029#if defined(__bsdi__) && _BSDI_VERSION < 199401 5030 ifp->if_mtu = ETHERMTU; 5031#endif 5032 5033#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5034 aprint_naive(": DEC Ethernet"); 5035 aprint_normal(": %s%s", sc->tulip_boardid, 5036 tulip_chipdescs[sc->tulip_chipid]); 5037 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 5038 sc->tulip_revinfo & 0x0F); 5039 printf("\n"); 5040 sc->tulip_pf = aprint_normal; 5041 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5042 TULIP_PRINTF_ARGS, 5043 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5044#else 5045 printf( 5046#if defined(__bsdi__) 5047 "\n" 5048#endif 5049 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", 5050 TULIP_PRINTF_ARGS, 5051 sc->tulip_boardid, 5052 tulip_chipdescs[sc->tulip_chipid], 5053 (sc->tulip_revinfo & 0xF0) >> 4, 5054 sc->tulip_revinfo & 0x0F, 5055 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 5056 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 5057 printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5058 TULIP_PRINTF_ARGS, 5059 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5060#endif 5061 5062#if defined(__alpha__) 5063 /* 5064 * In case the SRM console told us about a bogus media, 5065 * we need to check to be safe. 5066 */ 5067 if (sc->tulip_mediums[sc->tulip_media] == NULL) 5068 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 5069#endif 5070 5071 (*sc->tulip_boardsw->bd_media_probe)(sc); 5072#if defined(IFM_ETHER) 5073 ifmedia_init(&sc->tulip_ifmedia, 0, 5074 tulip_ifmedia_change, 5075 tulip_ifmedia_status); 5076#else 5077 { 5078 tulip_media_t media; 5079 int cnt; 5080 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 5081 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 5082 if (sc->tulip_mediums[media] != NULL) { 5083 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 5084 cnt++; 5085 } 5086 } 5087 if (cnt == 1) { 5088 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 5089 printf(" none\n"); 5090 } else { 5091 printf("\n"); 5092 } 5093 } 5094#endif 5095 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 5096#if defined(IFM_ETHER) 5097 tulip_ifmedia_add(sc); 5098#endif 5099 5100 tulip_reset(sc); 5101 5102#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5103 sc->tulip_pf = printf; 5104 TULIP_ETHER_IFATTACH(sc); 5105#else 5106 if_attach(ifp); 5107#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 5108 ifp->if_snd.ifq_maxlen = ifqmaxlen; 5109#endif 5110#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 5111 TULIP_ETHER_IFATTACH(sc); 5112#endif 5113#endif /* __bsdi__ */ 5114 5115#if NBPFILTER > 0 5116 TULIP_BPF_ATTACH(sc); 5117#endif 5118 5119#if defined(__NetBSD__) && NRND > 0 5120 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 5121 RND_TYPE_NET, 0); 5122#endif 5123} 5124 5125#if defined(TULIP_BUS_DMA) 5126#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 5127static int 5128tulip_busdma_allocmem( 5129 tulip_softc_t * const sc, 5130 size_t size, 5131 bus_dmamap_t *map_p, 5132 tulip_desc_t **desc_p) 5133{ 5134 bus_dma_segment_t segs[1]; 5135 int nsegs, error; 5136 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, CLBYTES, 5137 segs, sizeof(segs)/sizeof(segs[0]), 5138 &nsegs, BUS_DMA_NOWAIT); 5139 if (error == 0) { 5140 void *desc; 5141 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 5142 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 5143 if (error == 0) { 5144 bus_dmamap_t map; 5145 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 5146 BUS_DMA_NOWAIT, &map); 5147 if (error == 0) { 5148 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 5149 size, NULL, BUS_DMA_NOWAIT); 5150 if (error) 5151 bus_dmamap_destroy(sc->tulip_dmatag, map); 5152 else 5153 *map_p = map; 5154 } 5155 if (error) 5156 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 5157 } 5158 if (error) 5159 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 5160 else 5161 *desc_p = desc; 5162 } 5163 return error; 5164} 5165#endif 5166 5167static int 5168tulip_busdma_init( 5169 tulip_softc_t * const sc) 5170{ 5171 int error = 0; 5172 5173#if !defined(TULIP_BUS_DMA_NOTX) 5174 /* 5175 * Allocate dmamap for setup descriptor 5176 */ 5177 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 5178 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 5179 &sc->tulip_setupmap); 5180 if (error == 0) { 5181 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 5182 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 5183 NULL, BUS_DMA_NOWAIT); 5184 if (error) 5185 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 5186 } 5187 /* 5188 * Allocate space and dmamap for transmit ring 5189 */ 5190 if (error == 0) { 5191 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 5192 &sc->tulip_txdescmap, 5193 &sc->tulip_txdescs); 5194 } 5195 5196 /* 5197 * Allocate dmamaps for each transmit descriptors 5198 */ 5199 if (error == 0) { 5200 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 5201 bus_dmamap_t map; 5202 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 5203 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 5204 } 5205 if (error) { 5206 while (sc->tulip_txmaps_free > 0) 5207 bus_dmamap_destroy(sc->tulip_dmatag, 5208 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 5209 } 5210 } 5211#else 5212 if (error == 0) { 5213 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5214 if (sc->tulip_txdescs == NULL) 5215 error = ENOMEM; 5216 } 5217#endif 5218#if !defined(TULIP_BUS_DMA_NORX) 5219 /* 5220 * Allocate space and dmamap for receive ring 5221 */ 5222 if (error == 0) { 5223 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5224 &sc->tulip_rxdescmap, 5225 &sc->tulip_rxdescs); 5226 } 5227 5228 /* 5229 * Allocate dmamaps for each receive descriptors 5230 */ 5231 if (error == 0) { 5232 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5233 bus_dmamap_t map; 5234 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5235 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5236 } 5237 if (error) { 5238 while (sc->tulip_rxmaps_free > 0) 5239 bus_dmamap_destroy(sc->tulip_dmatag, 5240 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5241 } 5242 } 5243#else 5244 if (error == 0) { 5245 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5246 if (sc->tulip_rxdescs == NULL) 5247 error = ENOMEM; 5248 } 5249#endif 5250 return error; 5251} 5252#endif /* TULIP_BUS_DMA */ 5253 5254static void 5255tulip_initcsrs( 5256 tulip_softc_t * const sc, 5257 tulip_csrptr_t csr_base, 5258 size_t csr_size) 5259{ 5260 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5261 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5262 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5263 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5264 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5265 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5266 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5267 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5268 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5269 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5270 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5271 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5272 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5273 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5274 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5275 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5276#if defined(TULIP_EISA) 5277 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 5278#endif 5279} 5280 5281static void 5282tulip_initring( 5283 tulip_softc_t * const sc, 5284 tulip_ringinfo_t * const ri, 5285 tulip_desc_t *descs, 5286 int ndescs) 5287{ 5288 ri->ri_max = ndescs; 5289 ri->ri_first = descs; 5290 ri->ri_last = ri->ri_first + ri->ri_max; 5291 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5292 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5293} 5294 5295/* 5296 * This is the PCI configuration support. Since the 21040 is available 5297 * on both EISA and PCI boards, one must be careful in how defines the 5298 * 21040 in the config file. 5299 */ 5300 5301#define PCI_CFID 0x00 /* Configuration ID */ 5302#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 5303#define PCI_CFRV 0x08 /* Configuration Revision */ 5304#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 5305#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5306#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5307#define PCI_CFIT 0x3c /* Configuration Interrupt */ 5308#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5309 5310#if defined(TULIP_EISA) 5311static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5312#endif 5313 5314#if defined(__FreeBSD__) 5315 5316#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5317#define TULIP_SHUTDOWN_ARGS int howto, void * arg 5318 5319#if defined(TULIP_DEVCONF) 5320static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5321 5322static int 5323tulip_pci_shutdown( 5324 struct kern_devconf * const kdc, 5325 int force) 5326{ 5327 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5328 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5329 if (sc != NULL) 5330 tulip_shutdown(0, sc); 5331 } 5332 (void) dev_detach(kdc); 5333 return 0; 5334} 5335#endif 5336 5337static const char* 5338tulip_pci_probe( 5339 pcici_t config_id, 5340 pcidi_t device_id) 5341{ 5342 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5343 return NULL; 5344 if (PCI_CHIPID(device_id) == CHIPID_21040) 5345 return "Digital 21040 Ethernet"; 5346 if (PCI_CHIPID(device_id) == CHIPID_21041) 5347 return "Digital 21041 Ethernet"; 5348 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5349 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5350 if (revinfo >= 0x20) 5351 return "Digital 21140A Fast Ethernet"; 5352 else 5353 return "Digital 21140 Fast Ethernet"; 5354 } 5355 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5356 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5357 if (revinfo >= 0x20) 5358 return "Digital 21143 Fast Ethernet"; 5359 else 5360 return "Digital 21142 Fast Ethernet"; 5361 } 5362 return NULL; 5363} 5364 5365static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5366static u_long tulip_pci_count; 5367 5368static struct pci_device dedevice = { 5369 "de", 5370 tulip_pci_probe, 5371 tulip_pci_attach, 5372 &tulip_pci_count, 5373#if defined(TULIP_DEVCONF) 5374 tulip_pci_shutdown, 5375#endif 5376}; 5377 5378COMPAT_PCI_DRIVER(de, dedevice); 5379#endif /* __FreeBSD__ */ 5380 5381#if defined(__bsdi__) 5382#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5383#define TULIP_SHUTDOWN_ARGS void *arg 5384 5385static int 5386tulip_pci_match( 5387 pci_devaddr_t *pa) 5388{ 5389 int irq; 5390 unsigned id; 5391 5392 id = pci_inl(pa, PCI_VENDOR_ID); 5393 if (PCI_VENDORID(id) != DEC_VENDORID) 5394 return 0; 5395 id = PCI_CHIPID(id); 5396 if (id != CHIPID_21040 && id != CHIPID_21041 5397 && id != CHIPID_21140 && id != CHIPID_21142) 5398 return 0; 5399 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5400 if (irq == 0 || irq >= 16) { 5401 printf("de?: invalid IRQ %d; skipping\n", irq); 5402 return 0; 5403 } 5404 return 1; 5405} 5406 5407static int 5408tulip_probe( 5409 struct device *parent, 5410 struct cfdata *cf, 5411 void *aux) 5412{ 5413 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5414 unsigned irq, slot; 5415 pci_devaddr_t *pa; 5416 5417#if _BSDI_VERSION >= 199401 5418 switch (ia->ia_bustype) { 5419 case BUS_PCI: 5420#endif 5421 pa = pci_scan(tulip_pci_match); 5422 if (pa == NULL) 5423 return 0; 5424 5425 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5426 5427 /* Get the base address; assume the BIOS set it up correctly */ 5428#if defined(TULIP_IOMAPPED) 5429 ia->ia_maddr = NULL; 5430 ia->ia_msize = 0; 5431 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5432 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5433 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5434 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5435 5436 /* Disable memory space access */ 5437 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5438#else 5439 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5440 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5441 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5442 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5443 ia->ia_iobase = 0; 5444 ia->ia_iosize = 0; 5445 5446 /* Disable I/O space access */ 5447 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5448#endif /* TULIP_IOMAPPED */ 5449 5450 ia->ia_aux = (void *) pa; 5451#if _BSDI_VERSION >= 199401 5452 break; 5453 5454#if defined(TULIP_EISA) 5455 case BUS_EISA: { 5456 unsigned tmp; 5457 5458 if ((slot = eisa_match(cf, ia)) == 0) 5459 return 0; 5460 ia->ia_iobase = slot << 12; 5461 ia->ia_iosize = EISA_NPORT; 5462 eisa_slotalloc(slot); 5463 tmp = inb(ia->ia_iobase + DE425_CFG0); 5464 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5465 /* 5466 * Until BSD/OS likes level interrupts, force 5467 * the DE425 into edge-triggered mode. 5468 */ 5469 if ((tmp & 1) == 0) 5470 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5471 /* 5472 * CBIO needs to map to the EISA slot 5473 * enable I/O access and Master 5474 */ 5475 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5476 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5477 ia->ia_aux = NULL; 5478 break; 5479 } 5480#endif /* TULIP_EISA */ 5481 default: 5482 return 0; 5483 } 5484#endif 5485 5486 /* PCI bus masters don't use host DMA channels */ 5487 ia->ia_drq = DRQNONE; 5488 5489 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5490 printf("de%d: error: desired IRQ of %d does not match device's " 5491 "actual IRQ of %d,\n", 5492 cf->cf_unit, 5493 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5494 return 0; 5495 } 5496 if (ia->ia_irq == IRQUNK) 5497 ia->ia_irq = irq; 5498#ifdef IRQSHARE 5499 ia->ia_irq |= IRQSHARE; 5500#endif 5501 return 1; 5502} 5503 5504static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5505 5506#if defined(TULIP_EISA) 5507static char *tulip_eisa_ids[] = { 5508 "DEC4250", 5509 NULL 5510}; 5511#endif 5512 5513struct cfdriver decd = { 5514 0, "de", tulip_probe, tulip_pci_attach, 5515#if _BSDI_VERSION >= 199401 5516 DV_IFNET, 5517#endif 5518 sizeof(tulip_softc_t), 5519#if defined(TULIP_EISA) 5520 tulip_eisa_ids 5521#endif 5522}; 5523 5524#endif /* __bsdi__ */ 5525 5526#if defined(__NetBSD__) 5527#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5528#define TULIP_SHUTDOWN_ARGS void *arg 5529static int 5530tulip_pci_probe( 5531 struct device *parent, 5532 struct cfdata *match, 5533 void *aux) 5534{ 5535 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5536 5537 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5538 return 0; 5539 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5540 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5541 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5542 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5543 return 1; 5544 5545 return 0; 5546} 5547 5548static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5549 5550struct cfattach de_ca = { 5551 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5552}; 5553 5554#endif /* __NetBSD__ */ 5555 5556static void 5557tulip_shutdown( 5558 TULIP_SHUTDOWN_ARGS) 5559{ 5560 tulip_softc_t * const sc = arg; 5561 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5562 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5563 33MHz that comes to two microseconds but wait a 5564 bit longer anyways) */ 5565} 5566 5567static void 5568tulip_pci_attach( 5569 TULIP_PCI_ATTACH_ARGS) 5570{ 5571#if defined(__FreeBSD__) 5572 tulip_softc_t *sc; 5573#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5574#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5575#if __FreeBSD_version >= 300000 5576#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = (config_id->bus), /* XXX */ \ 5577 (sc)->tulip_pci_devno = (config_id->slot))) /* XXX */ 5578#else 5579#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5580 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5581#endif 5582#endif 5583#if defined(__bsdi__) 5584 tulip_softc_t * const sc = (tulip_softc_t *) self; 5585 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5586 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5587 const int unit = sc->tulip_dev.dv_unit; 5588#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5589#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5590#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5591 (sc)->tulip_pci_devno = pa->d_agent)) 5592#endif 5593#if defined(__NetBSD__) 5594 tulip_softc_t * const sc = (tulip_softc_t *) self; 5595 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5596 const int unit = sc->tulip_dev.dv_unit; 5597#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5598#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5599#define PCI_GETBUSDEVINFO(sc) do { \ 5600 (sc)->tulip_pci_busno = parent; \ 5601 (sc)->tulip_pci_devno = pa->pa_device; \ 5602 } while (0) 5603#endif /* __NetBSD__ */ 5604#if defined(__alpha__) 5605 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5606#endif 5607 int retval, idx; 5608 u_int32_t revinfo, cfdainfo, id; 5609#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5610 vm_offset_t pa_csrs; 5611#endif 5612 unsigned csroffset = TULIP_PCI_CSROFFSET; 5613 unsigned csrsize = TULIP_PCI_CSRSIZE; 5614 tulip_csrptr_t csr_base; 5615 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5616 5617 if (unit >= TULIP_MAX_DEVICES) { 5618#ifdef __FreeBSD__ 5619 printf("de%d", unit); 5620#endif 5621 printf(": not configured; limit of %d reached or exceeded\n", 5622 TULIP_MAX_DEVICES); 5623 return; 5624 } 5625 5626#if defined(__bsdi__) 5627 if (pa != NULL) { 5628 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5629 id = pci_inl(pa, PCI_CFID); 5630 cfdainfo = pci_inl(pa, PCI_CFDA); 5631#if defined(TULIP_EISA) 5632 } else { 5633 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5634 csroffset = TULIP_EISA_CSROFFSET; 5635 csrsize = TULIP_EISA_CSRSIZE; 5636 chipid = TULIP_DE425; 5637 cfdainfo = 0; 5638#endif /* TULIP_EISA */ 5639 } 5640#else /* __bsdi__ */ 5641 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5642 id = PCI_CONF_READ(PCI_CFID); 5643 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5644#endif /* __bsdi__ */ 5645 5646 if (PCI_VENDORID(id) == DEC_VENDORID) { 5647 if (PCI_CHIPID(id) == CHIPID_21040) 5648 chipid = TULIP_21040; 5649 else if (PCI_CHIPID(id) == CHIPID_21041) 5650 chipid = TULIP_21041; 5651 else if (PCI_CHIPID(id) == CHIPID_21140) 5652 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5653 else if (PCI_CHIPID(id) == CHIPID_21142) 5654 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5655 } 5656 if (chipid == TULIP_CHIPID_UNKNOWN) 5657 return; 5658 5659 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5660#ifdef __FreeBSD__ 5661 printf("de%d", unit); 5662#endif 5663 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5664 revinfo >> 4, revinfo & 0x0f); 5665 return; 5666 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5667#ifndef __FreeBSD__ 5668 printf("\n"); 5669#endif 5670 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5671 unit, revinfo >> 4, revinfo & 0x0f); 5672 return; 5673 } 5674 5675#if defined(__FreeBSD__) 5676 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5677 if (sc == NULL) 5678 return; 5679 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5680#endif 5681 5682 PCI_GETBUSDEVINFO(sc); 5683 sc->tulip_chipid = chipid; 5684 sc->tulip_flags |= TULIP_DEVICEPROBE; 5685 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5686 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5687 if (chipid == TULIP_21140A && revinfo <= 0x22) 5688 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5689 if (chipid == TULIP_21140) 5690 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5691 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5692 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5693 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5694 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5695 if (chipid != TULIP_21041 || revinfo >= 0x20) 5696 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5697 if (chipid != TULIP_21041) 5698 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5699 if (chipid != TULIP_21041 && revinfo >= 0x20) 5700 sc->tulip_features |= TULIP_HAVE_SIA100; 5701 } 5702 5703 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5704 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5705 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5706 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5707 DELAY(11*1000); 5708 } 5709#if defined(__alpha__) 5710 /* 5711 * The Alpha SRM console encodes a console set media in the driver 5712 * part of the CFDA register. Note that the Multia presents a 5713 * problem in that its BNC mode is really EXTSIA. So in that case 5714 * force a probe. 5715 */ 5716 switch ((cfdainfo >> 8) & 0xff) { 5717 case 1: media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5718 case 2: media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5719 case 3: media = TULIP_MEDIA_10BASET; break; 5720 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5721 case 5: media = TULIP_MEDIA_100BASETX; break; 5722 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5723 default: media = TULIP_MEDIA_UNKNOWN; break; 5724 } 5725#endif 5726 5727#if defined(__NetBSD__) 5728 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5729 sc->tulip_if.if_softc = sc; 5730 sc->tulip_pc = pa->pa_pc; 5731#if defined(TULIP_BUS_DMA) 5732 sc->tulip_dmatag = pa->pa_dmat; 5733#endif 5734#else 5735 sc->tulip_unit = unit; 5736 sc->tulip_name = "de"; 5737#endif 5738 sc->tulip_revinfo = revinfo; 5739#if defined(__FreeBSD__) 5740#if BSD >= 199506 5741 sc->tulip_if.if_softc = sc; 5742#endif 5743#if defined(TULIP_IOMAPPED) 5744 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5745#else 5746 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5747#endif 5748 if (!retval) { 5749 free((caddr_t) sc, M_DEVBUF); 5750 return; 5751 } 5752 tulips[unit] = sc; 5753#endif /* __FreeBSD__ */ 5754 5755#if defined(__bsdi__) 5756 sc->tulip_pf = printf; 5757#if defined(TULIP_IOMAPPED) 5758 csr_base = ia->ia_iobase; 5759#else 5760 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5761#endif 5762#endif /* __bsdi__ */ 5763 5764#if defined(__NetBSD__) 5765 csr_base = 0; 5766 { 5767 bus_space_tag_t iot, memt; 5768 bus_space_handle_t ioh, memh; 5769 int ioh_valid, memh_valid; 5770 5771 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5772 &iot, &ioh, NULL, NULL) == 0); 5773 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5774 PCI_MAPREG_TYPE_MEM | 5775 PCI_MAPREG_MEM_TYPE_32BIT, 5776 0, &memt, &memh, NULL, NULL) == 0); 5777 if (memh_valid) { 5778 sc->tulip_bustag = memt; 5779 sc->tulip_bushandle = memh; 5780 } else if (ioh_valid) { 5781 sc->tulip_bustag = iot; 5782 sc->tulip_bushandle = ioh; 5783 } else { 5784 printf(": unable to map device registers\n"); 5785 return; 5786 } 5787 } 5788#endif /* __NetBSD__ */ 5789 5790 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5791 5792#if defined(TULIP_BUS_DMA) 5793 if ((retval = tulip_busdma_init(sc)) != 0) { 5794 printf("error initing bus_dma: %d\n", retval); 5795 return; 5796 } 5797#else 5798#if defined(__FreeBSD__) 5799 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5800 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5801 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5802 printf("malloc failed\n"); 5803 if (sc->tulip_rxdescs) 5804 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5805 if (sc->tulip_txdescs) 5806 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5807 free((caddr_t) sc, M_DEVBUF); 5808 return; 5809 } 5810#else 5811 sc->tulip_txdescs = (tulip_desc_t *) malloc((TULIP_TXDESCS+TULIP_RXDESCS)*sizeof(tulip_desc_t), M_DEVBUF, M_WAITOK); 5812 sc->tulip_rxdescs = sc->tulip_txdescs + TULIP_TXDESCS; 5813#endif 5814#endif 5815 5816 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5817 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5818 5819 /* 5820 * Make sure there won't be any interrupts or such... 5821 */ 5822 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5823 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5824 33MHz that comes to two microseconds but wait a 5825 bit longer anyways) */ 5826 5827 if ((retval = tulip_read_macaddr(sc)) < 0) { 5828#if defined(__FreeBSD__) 5829 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5830#endif 5831 printf(": can't read ENET ROM (why=%d) (", retval); 5832 for (idx = 0; idx < 32; idx++) 5833 printf("%02x", sc->tulip_rombuf[idx]); 5834 printf("\n"); 5835 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", 5836 TULIP_PRINTF_ARGS, 5837 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5838 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5839 printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); 5840 } else { 5841 tulip_spl_t s; 5842 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5843 5844 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5845 intr_rtn = tulip_intr_shared; 5846 5847#if defined(__NetBSD__) 5848 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5849 pci_intr_handle_t intrhandle; 5850 const char *intrstr; 5851 5852 printf("\n"); 5853 5854 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 5855 pa->pa_intrline, &intrhandle)) { 5856 printf("%s: couldn't map interrupt\n", sc->tulip_dev.dv_xname); 5857 return; 5858 } 5859 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5860 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5861 intr_rtn, sc); 5862 if (sc->tulip_ih == NULL) { 5863 printf("%s: couldn't establish interrupt", 5864 sc->tulip_dev.dv_xname); 5865 if (intrstr != NULL) 5866 printf(" at %s", intrstr); 5867 printf("\n"); 5868 return; 5869 } 5870 printf("%s: interrupting at %s\n", sc->tulip_dev.dv_xname, intrstr); 5871 } 5872 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5873 if (sc->tulip_ats == NULL) 5874 printf("%s: warning: couldn't establish shutdown hook\n", 5875 sc->tulip_xname); 5876#endif 5877#if defined(__FreeBSD__) 5878 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5879 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5880 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5881 TULIP_PRINTF_ARGS); 5882 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5883 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5884 free((caddr_t) sc, M_DEVBUF); 5885 return; 5886 } 5887 } 5888#if !defined(TULIP_DEVCONF) 5889 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5890#endif 5891#endif 5892#if defined(__bsdi__) 5893 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5894 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5895 5896 sc->tulip_ih.ih_fun = intr_rtn; 5897 sc->tulip_ih.ih_arg = (void *) sc; 5898 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5899 } 5900 5901 sc->tulip_ats.func = tulip_shutdown; 5902 sc->tulip_ats.arg = (void *) sc; 5903 atshutdown(&sc->tulip_ats, ATSH_ADD); 5904#endif 5905#if defined(TULIP_USE_SOFTINTR) 5906 if (sc->tulip_unit > tulip_softintr_max_unit) 5907 tulip_softintr_max_unit = sc->tulip_unit; 5908#endif 5909 5910 s = TULIP_RAISESPL(); 5911#if defined(__alpha__) 5912 sc->tulip_media = media; 5913#endif 5914 tulip_attach(sc); 5915#if defined(__alpha__) 5916 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5917 tulip_linkup(sc, media); 5918#endif 5919 TULIP_RESTORESPL(s); 5920 } 5921} 5922