if_de.c revision 42155
1/* $NetBSD: if_de.c,v 1.80 1998/09/25 18:06:53 matt Exp $ */ 2/* $Id: if_de.c,v 1.92 1998/12/14 05:47:26 dillon 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 <vm/pmap.h> 120#include <pci.h> 121#if NPCI > 0 122#include <pci/pcivar.h> 123#include <pci/dc21040reg.h> 124#define DEVAR_INCLUDE "pci/if_devar.h" 125#endif 126#endif /* __FreeBSD__ */ 127 128#if defined(__bsdi__) 129#include <netinet/if_ether.h> 130#include <i386/pci/ic/dc21040reg.h> 131#include <i386/isa/isa.h> 132#include <i386/isa/icu.h> 133#include <i386/isa/dma.h> 134#include <i386/isa/isavar.h> 135#include <i386/pci/pci.h> 136#if _BSDI_VERSION < 199510 137#include <eisa.h> 138#else 139#define NEISA 0 140#endif 141#if NEISA > 0 && _BSDI_VERSION >= 199401 142#include <i386/eisa/eisa.h> 143#define TULIP_EISA 144#endif 145#define DEVAR_INCLUDE "i386/pci/if_devar.h" 146#endif /* __bsdi__ */ 147 148#if defined(__NetBSD__) 149#include <net/if_ether.h> 150#if defined(INET) 151#include <netinet/if_inarp.h> 152#endif 153#include <machine/bus.h> 154#include <machine/intr.h> 155#include <dev/pci/pcireg.h> 156#include <dev/pci/pcivar.h> 157#include <dev/ic/dc21040reg.h> 158#define DEVAR_INCLUDE "dev/pci/if_devar.h" 159#endif /* __NetBSD__ */ 160 161/* 162 * Intel CPUs should use I/O mapped access. 163 */ 164#if defined(__i386__) || defined(TULIP_EISA) 165#define TULIP_IOMAPPED 166#endif 167 168#if 0 169/* 170 * This turns on all sort of debugging stuff and make the 171 * driver much larger. 172 */ 173#define TULIP_DEBUG 174#endif 175 176#if 0 177#define TULIP_PERFSTATS 178#endif 179 180#if 0 181#define TULIP_USE_SOFTINTR 182#endif 183 184#define TULIP_HZ 10 185 186#include DEVAR_INCLUDE 187/* 188 * This module supports 189 * the DEC 21040 PCI Ethernet Controller. 190 * the DEC 21041 PCI Ethernet Controller. 191 * the DEC 21140 PCI Fast Ethernet Controller. 192 */ 193static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 194static tulip_intrfunc_t tulip_intr_shared(void *arg); 195static tulip_intrfunc_t tulip_intr_normal(void *arg); 196static void tulip_init(tulip_softc_t * const sc); 197static void tulip_reset(tulip_softc_t * const sc); 198static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 199static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 200static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 201static void tulip_txput_setup(tulip_softc_t * const sc); 202static void tulip_rx_intr(tulip_softc_t * const sc); 203static void tulip_addr_filter(tulip_softc_t * const sc); 204static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 205static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 206static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 207static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 208static int tulip_srom_decode(tulip_softc_t * const sc); 209#if defined(IFM_ETHER) 210static int tulip_ifmedia_change(struct ifnet * const ifp); 211static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 212#endif 213/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 214 215static void 216tulip_timeout_callback( 217 void *arg) 218{ 219 tulip_softc_t * const sc = arg; 220 tulip_spl_t s = TULIP_RAISESPL(); 221 222 TULIP_PERFSTART(timeout) 223 224 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 225 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 226 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 227 228 TULIP_PERFEND(timeout); 229 TULIP_RESTORESPL(s); 230} 231 232static void 233tulip_timeout( 234 tulip_softc_t * const sc) 235{ 236 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 237 return; 238 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 239 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 240} 241 242#if defined(TULIP_NEED_FASTTIMEOUT) 243static void 244tulip_fasttimeout_callback( 245 void *arg) 246{ 247 tulip_softc_t * const sc = arg; 248 tulip_spl_t s = TULIP_RAISESPL(); 249 250 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 251 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 252 TULIP_RESTORESPL(s); 253} 254 255static void 256tulip_fasttimeout( 257 tulip_softc_t * const sc) 258{ 259 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 260 return; 261 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 262 timeout(tulip_fasttimeout_callback, sc, 1); 263} 264#endif 265 266static int 267tulip_txprobe( 268 tulip_softc_t * const sc) 269{ 270 struct mbuf *m; 271 /* 272 * Before we are sure this is the right media we need 273 * to send a small packet to make sure there's carrier. 274 * Strangely, BNC and AUI will "see" receive data if 275 * either is connected so the transmit is the only way 276 * to verify the connectivity. 277 */ 278 MGETHDR(m, M_DONTWAIT, MT_DATA); 279 if (m == NULL) 280 return 0; 281 /* 282 * Construct a LLC TEST message which will point to ourselves. 283 */ 284 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 285 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 286 mtod(m, struct ether_header *)->ether_type = htons(3); 287 mtod(m, unsigned char *)[14] = 0; 288 mtod(m, unsigned char *)[15] = 0; 289 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 290 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 291 /* 292 * send it! 293 */ 294 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 295 sc->tulip_intrmask |= TULIP_STS_TXINTR; 296 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 297 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 298 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 299 if ((m = tulip_txput(sc, m)) != NULL) 300 m_freem(m); 301 sc->tulip_probe.probe_txprobes++; 302 return 1; 303} 304 305#ifdef BIG_PACKET 306#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 307#else 308#define TULIP_SIAGEN_WATCHDOG 0 309#endif 310 311static void 312tulip_media_set( 313 tulip_softc_t * const sc, 314 tulip_media_t media) 315{ 316 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 317 318 if (mi == NULL) 319 return; 320 321 /* 322 * If we are switching media, make sure we don't think there's 323 * any stale RX activity 324 */ 325 sc->tulip_flags &= ~TULIP_RXACT; 326 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 327 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 328 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 329 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 330 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 331 DELAY(50); 332 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 333 } else { 334 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 335 } 336 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 337 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 338#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 339 /* 340 * If the cmdmode bits don't match the currently operating mode, 341 * set the cmdmode appropriately and reset the chip. 342 */ 343 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 344 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 345 sc->tulip_cmdmode |= mi->mi_cmdmode; 346 tulip_reset(sc); 347 } 348 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 349 DELAY(10); 350 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 351 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 352 /* 353 * If the cmdmode bits don't match the currently operating mode, 354 * set the cmdmode appropriately and reset the chip. 355 */ 356 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 357 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 358 sc->tulip_cmdmode |= mi->mi_cmdmode; 359 tulip_reset(sc); 360 } 361 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 362 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 363 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 364 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 365 int idx; 366 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 367 const u_int8_t *dp; 368 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 369 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 370 DELAY(10); 371 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 372 } 373 sc->tulip_phyaddr = mi->mi_phyaddr; 374 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 375 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 376 DELAY(10); 377 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 378 } 379 } else { 380 for (idx = 0; idx < mi->mi_reset_length; idx++) { 381 DELAY(10); 382 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 383 } 384 sc->tulip_phyaddr = mi->mi_phyaddr; 385 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 386 DELAY(10); 387 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 388 } 389 } 390 if (sc->tulip_flags & TULIP_TRYNWAY) { 391 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 392 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 393 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 394 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 395 sc->tulip_flags &= ~TULIP_DIDNWAY; 396 if (TULIP_IS_MEDIA_FD(media)) 397 data |= PHYCTL_FULL_DUPLEX; 398 if (TULIP_IS_MEDIA_100MB(media)) 399 data |= PHYCTL_SELECT_100MB; 400 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 401 } 402 } 403} 404 405static void 406tulip_linkup( 407 tulip_softc_t * const sc, 408 tulip_media_t media) 409{ 410 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 411 sc->tulip_flags |= TULIP_PRINTLINKUP; 412 sc->tulip_flags |= TULIP_LINKUP; 413 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 414#if 0 /* XXX how does with work with ifmedia? */ 415 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 416 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 417 if (TULIP_CAN_MEDIA_FD(media) 418 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 419 media = TULIP_FD_MEDIA_OF(media); 420 } else { 421 if (TULIP_IS_MEDIA_FD(media) 422 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 423 media = TULIP_HD_MEDIA_OF(media); 424 } 425 } 426#endif 427 if (sc->tulip_media != media) { 428#ifdef TULIP_DEBUG 429 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 430#endif 431 sc->tulip_media = media; 432 sc->tulip_flags |= TULIP_PRINTMEDIA; 433 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 434 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 435 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 436 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 437 } 438 } 439 /* 440 * We could set probe_timeout to 0 but setting to 3000 puts this 441 * in one central place and the only matters is tulip_link is 442 * followed by a tulip_timeout. Therefore setting it should not 443 * result in aberrant behavour. 444 */ 445 sc->tulip_probe_timeout = 3000; 446 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 447 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 448 if (sc->tulip_flags & TULIP_INRESET) { 449 tulip_media_set(sc, sc->tulip_media); 450 } else if (sc->tulip_probe_media != sc->tulip_media) { 451 /* 452 * No reason to change media if we have the right media. 453 */ 454 tulip_reset(sc); 455 } 456 tulip_init(sc); 457} 458 459static void 460tulip_media_print( 461 tulip_softc_t * const sc) 462{ 463 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 464 return; 465 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 466 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 467 TULIP_PRINTF_ARGS, 468 tulip_mediums[sc->tulip_media]); 469 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 470 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 471 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 472 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 473 } 474} 475 476#if defined(TULIP_DO_GPR_SENSE) 477static tulip_media_t 478tulip_21140_gpr_media_sense( 479 tulip_softc_t * const sc) 480{ 481 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 482 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 483 tulip_media_t media; 484 485 /* 486 * If one of the media blocks contained a default media flag, 487 * use that. 488 */ 489 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 490 const tulip_media_info_t *mi; 491 /* 492 * Media is not supported (or is full-duplex). 493 */ 494 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 495 continue; 496 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 497 continue; 498 499 /* 500 * Remember the media is this is the "default" media. 501 */ 502 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 503 maybe_media = media; 504 505 /* 506 * No activity mask? Can't see if it is active if there's no mask. 507 */ 508 if (mi->mi_actmask == 0) 509 continue; 510 511 /* 512 * Does the activity data match? 513 */ 514 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 515 continue; 516 517#if defined(TULIP_DEBUG) 518 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 519 TULIP_PRINTF_ARGS, tulip_mediums[media], 520 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 521 mi->mi_actmask, mi->mi_actdata); 522#endif 523 /* 524 * It does! If this is the first media we detected, then 525 * remember this media. If isn't the first, then there were 526 * multiple matches which we equate to no match (since we don't 527 * which to select (if any). 528 */ 529 if (last_media == TULIP_MEDIA_UNKNOWN) { 530 last_media = media; 531 } else if (last_media != media) { 532 last_media = TULIP_MEDIA_UNKNOWN; 533 } 534 } 535 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 536} 537#endif /* TULIP_DO_GPR_SENSE */ 538 539static tulip_link_status_t 540tulip_media_link_monitor( 541 tulip_softc_t * const sc) 542{ 543 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 544 tulip_link_status_t linkup = TULIP_LINK_DOWN; 545 546 if (mi == NULL) { 547#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 548 panic("tulip_media_link_monitor: %s: botch at line %d\n", 549 tulip_mediums[sc->tulip_media],__LINE__); 550#endif 551 return TULIP_LINK_UNKNOWN; 552 } 553 554 555 /* 556 * Have we seen some packets? If so, the link must be good. 557 */ 558 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 559 sc->tulip_flags &= ~TULIP_RXACT; 560 sc->tulip_probe_timeout = 3000; 561 return TULIP_LINK_UP; 562 } 563 564 sc->tulip_flags &= ~TULIP_RXACT; 565 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 566 u_int32_t status; 567 /* 568 * Read the PHY status register. 569 */ 570 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 571 if (status & PHYSTS_AUTONEG_DONE) { 572 /* 573 * If the PHY has completed autonegotiation, see the if the 574 * remote systems abilities have changed. If so, upgrade or 575 * downgrade as appropriate. 576 */ 577 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 578 abilities = (abilities << 6) & status; 579 if (abilities != sc->tulip_abilities) { 580#if defined(TULIP_DEBUG) 581 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 582 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 583 sc->tulip_abilities, abilities); 584#endif 585 if (tulip_mii_map_abilities(sc, abilities)) { 586 tulip_linkup(sc, sc->tulip_probe_media); 587 return TULIP_LINK_UP; 588 } 589 /* 590 * if we had selected media because of autonegotiation, 591 * we need to probe for the new media. 592 */ 593 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 594 if (sc->tulip_flags & TULIP_DIDNWAY) 595 return TULIP_LINK_DOWN; 596 } 597 } 598 /* 599 * The link is now up. If was down, say its back up. 600 */ 601 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 602 linkup = TULIP_LINK_UP; 603 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 604 /* 605 * No activity sensor? Assume all's well. 606 */ 607 if (mi->mi_actmask == 0) 608 return TULIP_LINK_UNKNOWN; 609 /* 610 * Does the activity data match? 611 */ 612 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 613 linkup = TULIP_LINK_UP; 614 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 615 /* 616 * Assume non TP ok for now. 617 */ 618 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 619 return TULIP_LINK_UNKNOWN; 620 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 621 linkup = TULIP_LINK_UP; 622#if defined(TULIP_DEBUG) 623 if (sc->tulip_probe_timeout <= 0) 624 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 625#endif 626 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 627 return TULIP_LINK_UNKNOWN; 628 } 629 /* 630 * We will wait for 3 seconds until the link goes into suspect mode. 631 */ 632 if (sc->tulip_flags & TULIP_LINKUP) { 633 if (linkup == TULIP_LINK_UP) 634 sc->tulip_probe_timeout = 3000; 635 if (sc->tulip_probe_timeout > 0) 636 return TULIP_LINK_UP; 637 638 sc->tulip_flags &= ~TULIP_LINKUP; 639 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 640 } 641#if defined(TULIP_DEBUG) 642 sc->tulip_dbg.dbg_link_downed++; 643#endif 644 return TULIP_LINK_DOWN; 645} 646 647static void 648tulip_media_poll( 649 tulip_softc_t * const sc, 650 tulip_mediapoll_event_t event) 651{ 652#if defined(TULIP_DEBUG) 653 sc->tulip_dbg.dbg_events[event]++; 654#endif 655 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 656 && event == TULIP_MEDIAPOLL_TIMER) { 657 switch (tulip_media_link_monitor(sc)) { 658 case TULIP_LINK_DOWN: { 659 /* 660 * Link Monitor failed. Probe for new media. 661 */ 662 event = TULIP_MEDIAPOLL_LINKFAIL; 663 break; 664 } 665 case TULIP_LINK_UP: { 666 /* 667 * Check again soon. 668 */ 669 tulip_timeout(sc); 670 return; 671 } 672 case TULIP_LINK_UNKNOWN: { 673 /* 674 * We can't tell so don't bother. 675 */ 676 return; 677 } 678 } 679 } 680 681 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 682 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 683 if (TULIP_DO_AUTOSENSE(sc)) { 684#if defined(TULIP_DEBUG) 685 sc->tulip_dbg.dbg_link_failures++; 686#endif 687 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 688 if (sc->tulip_if.if_flags & IFF_UP) 689 tulip_reset(sc); /* restart probe */ 690 } 691 return; 692 } 693#if defined(TULIP_DEBUG) 694 sc->tulip_dbg.dbg_link_pollintrs++; 695#endif 696 } 697 698 if (event == TULIP_MEDIAPOLL_START) { 699 sc->tulip_if.if_flags |= IFF_OACTIVE; 700 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 701 return; 702 sc->tulip_probe_mediamask = 0; 703 sc->tulip_probe_passes = 0; 704#if defined(TULIP_DEBUG) 705 sc->tulip_dbg.dbg_media_probes++; 706#endif 707 /* 708 * If the SROM contained an explicit media to use, use it. 709 */ 710 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 711 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 712 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 713 /* 714 * connidx is defaulted to a media_unknown type. 715 */ 716 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 717 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 718 tulip_linkup(sc, sc->tulip_probe_media); 719 tulip_timeout(sc); 720 return; 721 } 722 723 if (sc->tulip_features & TULIP_HAVE_GPR) { 724 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 725 sc->tulip_probe_timeout = 2000; 726 } else { 727 sc->tulip_probe_media = TULIP_MEDIA_MAX; 728 sc->tulip_probe_timeout = 0; 729 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 730 } 731 } 732 733 /* 734 * Ignore txprobe failures or spurious callbacks. 735 */ 736 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 737 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 738 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 739 return; 740 } 741 742 /* 743 * If we really transmitted a packet, then that's the media we'll use. 744 */ 745 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 746 if (event == TULIP_MEDIAPOLL_LINKPASS) { 747 /* XXX Check media status just to be sure */ 748 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 749#if defined(TULIP_DEBUG) 750 } else { 751 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 752#endif 753 } 754 tulip_linkup(sc, sc->tulip_probe_media); 755 tulip_timeout(sc); 756 return; 757 } 758 759 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 760#if defined(TULIP_DO_GPR_SENSE) 761 /* 762 * Check for media via the general purpose register. 763 * 764 * Try to sense the media via the GPR. If the same value 765 * occurs 3 times in a row then just use that. 766 */ 767 if (sc->tulip_probe_timeout > 0) { 768 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 769#if defined(TULIP_DEBUG) 770 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 771 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 772#endif 773 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 774 if (new_probe_media == sc->tulip_probe_media) { 775 if (--sc->tulip_probe_count == 0) 776 tulip_linkup(sc, sc->tulip_probe_media); 777 } else { 778 sc->tulip_probe_count = 10; 779 } 780 } 781 sc->tulip_probe_media = new_probe_media; 782 tulip_timeout(sc); 783 return; 784 } 785#endif /* TULIP_DO_GPR_SENSE */ 786 /* 787 * Brute force. We cycle through each of the media types 788 * and try to transmit a packet. 789 */ 790 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 791 sc->tulip_probe_media = TULIP_MEDIA_MAX; 792 sc->tulip_probe_timeout = 0; 793 tulip_timeout(sc); 794 return; 795 } 796 797 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 798 && (sc->tulip_features & TULIP_HAVE_MII)) { 799 tulip_media_t old_media = sc->tulip_probe_media; 800 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 801 switch (sc->tulip_probe_state) { 802 case TULIP_PROBE_FAILED: 803 case TULIP_PROBE_MEDIATEST: { 804 /* 805 * Try the next media. 806 */ 807 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 808 sc->tulip_probe_timeout = 0; 809#ifdef notyet 810 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 811 break; 812 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 813 break; 814 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 815#endif 816 break; 817 } 818 case TULIP_PROBE_PHYAUTONEG: { 819 return; 820 } 821 case TULIP_PROBE_INACTIVE: { 822 /* 823 * Only probe if we autonegotiated a media that hasn't failed. 824 */ 825 sc->tulip_probe_timeout = 0; 826 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 827 sc->tulip_probe_media = old_media; 828 break; 829 } 830 tulip_linkup(sc, sc->tulip_probe_media); 831 tulip_timeout(sc); 832 return; 833 } 834 default: { 835#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 836 panic("tulip_media_poll: botch at line %d\n", __LINE__); 837#endif 838 break; 839 } 840 } 841 } 842 843 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 844#if defined(TULIP_DEBUG) 845 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 846#endif 847 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 848 return; 849 } 850 851 /* 852 * switch to another media if we tried this one enough. 853 */ 854 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 855#if defined(TULIP_DEBUG) 856 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 857 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 858 TULIP_PRINTF_ARGS); 859 sc->tulip_probe_media = TULIP_MEDIA_MAX; 860 } 861#endif 862 /* 863 * Find the next media type to check for. Full Duplex 864 * types are not allowed. 865 */ 866 do { 867 sc->tulip_probe_media -= 1; 868 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 869 if (++sc->tulip_probe_passes == 3) { 870 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 871 TULIP_PRINTF_ARGS); 872 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 873 sc->tulip_if.if_flags &= ~IFF_RUNNING; 874 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 875 return; 876 } 877 } 878 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 879 sc->tulip_probe_mediamask = 0; 880 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 881 } 882 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 883 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 884 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 885 886#if defined(TULIP_DEBUG) 887 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 888 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 889 tulip_mediums[sc->tulip_probe_media]); 890#endif 891 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 892 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 893 sc->tulip_probe.probe_txprobes = 0; 894 tulip_reset(sc); 895 tulip_media_set(sc, sc->tulip_probe_media); 896 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 897 } 898 tulip_timeout(sc); 899 900 /* 901 * If this is hanging off a phy, we know are doing NWAY and we have 902 * forced the phy to a specific speed. Wait for link up before 903 * before sending a packet. 904 */ 905 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 906 case TULIP_MEDIAINFO_MII: { 907 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 908 return; 909 break; 910 } 911 case TULIP_MEDIAINFO_SIA: { 912 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 913 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 914 return; 915 tulip_linkup(sc, sc->tulip_probe_media); 916#ifdef notyet 917 if (sc->tulip_features & TULIP_HAVE_MII) 918 tulip_timeout(sc); 919#endif 920 return; 921 } 922 break; 923 } 924 case TULIP_MEDIAINFO_RESET: 925 case TULIP_MEDIAINFO_SYM: 926 case TULIP_MEDIAINFO_NONE: 927 case TULIP_MEDIAINFO_GPR: { 928 break; 929 } 930 } 931 /* 932 * Try to send a packet. 933 */ 934 tulip_txprobe(sc); 935} 936 937static void 938tulip_media_select( 939 tulip_softc_t * const sc) 940{ 941 if (sc->tulip_features & TULIP_HAVE_GPR) { 942 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 943 DELAY(10); 944 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 945 } 946 /* 947 * If this board has no media, just return 948 */ 949 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 950 return; 951 952 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 953 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 954 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 955 } else { 956 tulip_media_set(sc, sc->tulip_media); 957 } 958} 959 960static void 961tulip_21040_mediainfo_init( 962 tulip_softc_t * const sc, 963 tulip_media_t media) 964{ 965 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 966 |TULIP_CMD_BACKOFFCTR; 967 sc->tulip_if.if_baudrate = 10000000; 968 969 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 970 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 971 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 972 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 973 } 974 975 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 976 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 977 } 978 979 if (media == TULIP_MEDIA_UNKNOWN) { 980 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 981 } 982} 983 984static void 985tulip_21040_media_probe( 986 tulip_softc_t * const sc) 987{ 988 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 989 return; 990} 991 992static void 993tulip_21040_10baset_only_media_probe( 994 tulip_softc_t * const sc) 995{ 996 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 997 tulip_media_set(sc, TULIP_MEDIA_10BASET); 998 sc->tulip_media = TULIP_MEDIA_10BASET; 999} 1000 1001static void 1002tulip_21040_10baset_only_media_select( 1003 tulip_softc_t * const sc) 1004{ 1005 sc->tulip_flags |= TULIP_LINKUP; 1006 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 1007 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1008 sc->tulip_flags &= ~TULIP_SQETEST; 1009 } else { 1010 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1011 sc->tulip_flags |= TULIP_SQETEST; 1012 } 1013 tulip_media_set(sc, sc->tulip_media); 1014} 1015 1016static void 1017tulip_21040_auibnc_only_media_probe( 1018 tulip_softc_t * const sc) 1019{ 1020 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1021 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1022 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1023 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1024} 1025 1026static void 1027tulip_21040_auibnc_only_media_select( 1028 tulip_softc_t * const sc) 1029{ 1030 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1031 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1032} 1033 1034static const tulip_boardsw_t tulip_21040_boardsw = { 1035 TULIP_21040_GENERIC, 1036 tulip_21040_media_probe, 1037 tulip_media_select, 1038 tulip_media_poll, 1039}; 1040 1041static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1042 TULIP_21040_GENERIC, 1043 tulip_21040_10baset_only_media_probe, 1044 tulip_21040_10baset_only_media_select, 1045 NULL, 1046}; 1047 1048static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1049 TULIP_21040_GENERIC, 1050 tulip_21040_auibnc_only_media_probe, 1051 tulip_21040_auibnc_only_media_select, 1052 NULL, 1053}; 1054 1055static void 1056tulip_21041_mediainfo_init( 1057 tulip_softc_t * const sc) 1058{ 1059 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1060 1061#ifdef notyet 1062 if (sc->tulip_revinfo >= 0x20) { 1063 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1064 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1065 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1066 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1067 return; 1068 } 1069#endif 1070 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1071 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1072 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1073 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1074} 1075 1076static void 1077tulip_21041_media_probe( 1078 tulip_softc_t * const sc) 1079{ 1080 sc->tulip_if.if_baudrate = 10000000; 1081 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1082 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1083 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1084 tulip_21041_mediainfo_init(sc); 1085} 1086 1087static void 1088tulip_21041_media_poll( 1089 tulip_softc_t * const sc, 1090 const tulip_mediapoll_event_t event) 1091{ 1092 u_int32_t sia_status; 1093 1094#if defined(TULIP_DEBUG) 1095 sc->tulip_dbg.dbg_events[event]++; 1096#endif 1097 1098 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1099 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1100 || !TULIP_DO_AUTOSENSE(sc)) 1101 return; 1102 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1103 tulip_reset(sc); /* start probe */ 1104 return; 1105 } 1106 1107 /* 1108 * If we've been been asked to start a poll or link change interrupt 1109 * restart the probe (and reset the tulip to a known state). 1110 */ 1111 if (event == TULIP_MEDIAPOLL_START) { 1112 sc->tulip_if.if_flags |= IFF_OACTIVE; 1113 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1114#ifdef notyet 1115 if (sc->tulip_revinfo >= 0x20) { 1116 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1117 sc->tulip_flags |= TULIP_DIDNWAY; 1118 } 1119#endif 1120 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1121 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1122 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1123 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1124 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1125 tulip_timeout(sc); 1126 return; 1127 } 1128 1129 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1130 return; 1131 1132 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1133#if defined(TULIP_DEBUG) 1134 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1135#endif 1136 tulip_linkup(sc, sc->tulip_probe_media); 1137 return; 1138 } 1139 1140 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1141 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1142 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1143 if (sc->tulip_revinfo >= 0x20) { 1144 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1145 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1146 } 1147 /* 1148 * If the link has passed LinkPass, 10baseT is the 1149 * proper media to use. 1150 */ 1151 tulip_linkup(sc, sc->tulip_probe_media); 1152 return; 1153 } 1154 1155 /* 1156 * wait for up to 2.4 seconds for the link to reach pass state. 1157 * Only then start scanning the other media for activity. 1158 * choose media with receive activity over those without. 1159 */ 1160 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1161 if (event != TULIP_MEDIAPOLL_TIMER) 1162 return; 1163 if (sc->tulip_probe_timeout > 0 1164 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1165 tulip_timeout(sc); 1166 return; 1167 } 1168 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1169 sc->tulip_flags |= TULIP_WANTRXACT; 1170 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1171 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1172 } else { 1173 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1174 } 1175 tulip_media_set(sc, sc->tulip_probe_media); 1176 tulip_timeout(sc); 1177 return; 1178 } 1179 1180 /* 1181 * If we failed, clear the txprobe active flag. 1182 */ 1183 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1184 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1185 1186 1187 if (event == TULIP_MEDIAPOLL_TIMER) { 1188 /* 1189 * If we've received something, then that's our link! 1190 */ 1191 if (sc->tulip_flags & TULIP_RXACT) { 1192 tulip_linkup(sc, sc->tulip_probe_media); 1193 return; 1194 } 1195 /* 1196 * if no txprobe active 1197 */ 1198 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1199 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1200 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1201 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1202 tulip_txprobe(sc); 1203 tulip_timeout(sc); 1204 return; 1205 } 1206 /* 1207 * Take 2 passes through before deciding to not 1208 * wait for receive activity. Then take another 1209 * two passes before spitting out a warning. 1210 */ 1211 if (sc->tulip_probe_timeout <= 0) { 1212 if (sc->tulip_flags & TULIP_WANTRXACT) { 1213 sc->tulip_flags &= ~TULIP_WANTRXACT; 1214 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1215 } else { 1216 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1217 TULIP_PRINTF_ARGS); 1218 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1219 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1220 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1221 return; 1222 } 1223 } 1224 } 1225 } 1226 1227 /* 1228 * Since this media failed to probe, try the other one. 1229 */ 1230 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1231 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1232 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1233 } else { 1234 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1235 } 1236 tulip_media_set(sc, sc->tulip_probe_media); 1237 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1238 tulip_timeout(sc); 1239} 1240 1241static const tulip_boardsw_t tulip_21041_boardsw = { 1242 TULIP_21041_GENERIC, 1243 tulip_21041_media_probe, 1244 tulip_media_select, 1245 tulip_21041_media_poll 1246}; 1247 1248static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1249 { 0x20005c00, 0, /* 08-00-17 */ 1250 { 1251 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1252 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1253 }, 1254#if defined(TULIP_DEBUG) 1255 "NS DP83840", 1256#endif 1257 }, 1258 { 0x0281F400, 0, /* 00-A0-7D */ 1259 { 1260 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1261 { }, /* 100TX */ 1262 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1263 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1264 }, 1265#if defined(TULIP_DEBUG) 1266 "Seeq 80C240" 1267#endif 1268 }, 1269#if 0 1270 { 0x0015F420, 0, /* 00-A0-7D */ 1271 { 1272 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1273 { }, /* 100TX */ 1274 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1275 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1276 }, 1277#if defined(TULIP_DEBUG) 1278 "Broadcom BCM5000" 1279#endif 1280 }, 1281#endif 1282 { 0x0281F400, 0, /* 00-A0-BE */ 1283 { 1284 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1285 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1286 { }, /* 100T4 */ 1287 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1288 }, 1289#if defined(TULIP_DEBUG) 1290 "ICS 1890" 1291#endif 1292 }, 1293 { 0 } 1294}; 1295 1296static tulip_media_t 1297tulip_mii_phy_readspecific( 1298 tulip_softc_t * const sc) 1299{ 1300 const tulip_phy_attr_t *attr; 1301 u_int16_t data; 1302 u_int32_t id; 1303 unsigned idx = 0; 1304 static const tulip_media_t table[] = { 1305 TULIP_MEDIA_UNKNOWN, 1306 TULIP_MEDIA_10BASET, 1307 TULIP_MEDIA_100BASETX, 1308 TULIP_MEDIA_100BASET4, 1309 TULIP_MEDIA_UNKNOWN, 1310 TULIP_MEDIA_10BASET_FD, 1311 TULIP_MEDIA_100BASETX_FD, 1312 TULIP_MEDIA_UNKNOWN 1313 }; 1314 1315 /* 1316 * Don't read phy specific registers if link is not up. 1317 */ 1318 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1319 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1320 return TULIP_MEDIA_UNKNOWN; 1321 1322 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1323 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1324 for (attr = tulip_mii_phy_attrlist;; attr++) { 1325 if (attr->attr_id == 0) 1326 return TULIP_MEDIA_UNKNOWN; 1327 if ((id & ~0x0F) == attr->attr_id) 1328 break; 1329 } 1330 1331 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1332 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1333 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1334 if ((data & pm->pm_mask) == pm->pm_value) 1335 idx = 2; 1336 } 1337 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1338 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1339 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1340 if ((data & pm->pm_mask) == pm->pm_value) 1341 idx = 3; 1342 } 1343 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1344 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1345 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1346 if ((data & pm->pm_mask) == pm->pm_value) 1347 idx = 1; 1348 } 1349 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1350 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1351 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1352 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1353 } 1354 return table[idx]; 1355} 1356 1357static unsigned 1358tulip_mii_get_phyaddr( 1359 tulip_softc_t * const sc, 1360 unsigned offset) 1361{ 1362 unsigned phyaddr; 1363 1364 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1365 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1366 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1367 continue; 1368 if (offset == 0) 1369 return phyaddr; 1370 offset--; 1371 } 1372 if (offset == 0) { 1373 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1374 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1375 return TULIP_MII_NOPHY; 1376 return 0; 1377 } 1378 return TULIP_MII_NOPHY; 1379} 1380 1381static int 1382tulip_mii_map_abilities( 1383 tulip_softc_t * const sc, 1384 unsigned abilities) 1385{ 1386 sc->tulip_abilities = abilities; 1387 if (abilities & PHYSTS_100BASETX_FD) { 1388 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1389 } else if (abilities & PHYSTS_100BASET4) { 1390 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1391 } else if (abilities & PHYSTS_100BASETX) { 1392 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1393 } else if (abilities & PHYSTS_10BASET_FD) { 1394 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1395 } else if (abilities & PHYSTS_10BASET) { 1396 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1397 } else { 1398 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1399 return 0; 1400 } 1401 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1402 return 1; 1403} 1404 1405static void 1406tulip_mii_autonegotiate( 1407 tulip_softc_t * const sc, 1408 const unsigned phyaddr) 1409{ 1410 switch (sc->tulip_probe_state) { 1411 case TULIP_PROBE_MEDIATEST: 1412 case TULIP_PROBE_INACTIVE: { 1413 sc->tulip_flags |= TULIP_DIDNWAY; 1414 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1415 sc->tulip_probe_timeout = 3000; 1416 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1417 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1418 /* FALL THROUGH */ 1419 } 1420 case TULIP_PROBE_PHYRESET: { 1421 u_int32_t status; 1422 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1423 if (data & PHYCTL_RESET) { 1424 if (sc->tulip_probe_timeout > 0) { 1425 tulip_timeout(sc); 1426 return; 1427 } 1428 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1429 TULIP_PRINTF_ARGS, phyaddr); 1430 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1431 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1432 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1433 return; 1434 } 1435 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1436 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1437#if defined(TULIP_DEBUG) 1438 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1439 TULIP_PRINTF_ARGS, phyaddr); 1440#endif 1441 sc->tulip_flags &= ~TULIP_DIDNWAY; 1442 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1443 return; 1444 } 1445 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1446 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1447 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1448 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1449#if defined(TULIP_DEBUG) 1450 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1451 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1452 TULIP_PRINTF_ARGS, phyaddr, data); 1453 else 1454 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1455 TULIP_PRINTF_ARGS, phyaddr, data); 1456 sc->tulip_dbg.dbg_nway_starts++; 1457#endif 1458 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1459 sc->tulip_probe_timeout = 3000; 1460 /* FALL THROUGH */ 1461 } 1462 case TULIP_PROBE_PHYAUTONEG: { 1463 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1464 u_int32_t data; 1465 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1466 if (sc->tulip_probe_timeout > 0) { 1467 tulip_timeout(sc); 1468 return; 1469 } 1470#if defined(TULIP_DEBUG) 1471 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1472 TULIP_PRINTF_ARGS, phyaddr, status, 1473 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1474#endif 1475 sc->tulip_flags &= ~TULIP_DIDNWAY; 1476 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1477 return; 1478 } 1479 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1480#if defined(TULIP_DEBUG) 1481 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1482 TULIP_PRINTF_ARGS, phyaddr, data); 1483#endif 1484 data = (data << 6) & status; 1485 if (!tulip_mii_map_abilities(sc, data)) 1486 sc->tulip_flags &= ~TULIP_DIDNWAY; 1487 return; 1488 } 1489 default: { 1490#if defined(DIAGNOSTIC) 1491 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1492#endif 1493 break; 1494 } 1495 } 1496#if defined(TULIP_DEBUG) 1497 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1498 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1499 sc->tulip_dbg.dbg_nway_failures++; 1500#endif 1501} 1502 1503static void 1504tulip_2114x_media_preset( 1505 tulip_softc_t * const sc) 1506{ 1507 const tulip_media_info_t *mi = NULL; 1508 tulip_media_t media = sc->tulip_media; 1509 1510 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1511 media = sc->tulip_media; 1512 else 1513 media = sc->tulip_probe_media; 1514 1515 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1516 sc->tulip_flags &= ~TULIP_SQETEST; 1517 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1518#if defined(TULIP_DEBUG) 1519 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1520#endif 1521 mi = sc->tulip_mediums[media]; 1522 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1523 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1524 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1525 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1526 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1527 sc->tulip_cmdmode |= mi->mi_cmdmode; 1528 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1529 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1530 } 1531#if defined(TULIP_DEBUG) 1532 } else { 1533 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1534 TULIP_PRINTF_ARGS, media); 1535 } 1536#endif 1537 } 1538 switch (media) { 1539 case TULIP_MEDIA_BNC: 1540 case TULIP_MEDIA_AUI: 1541 case TULIP_MEDIA_10BASET: { 1542 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1543 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1544 sc->tulip_if.if_baudrate = 10000000; 1545 sc->tulip_flags |= TULIP_SQETEST; 1546 break; 1547 } 1548 case TULIP_MEDIA_10BASET_FD: { 1549 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1550 sc->tulip_if.if_baudrate = 10000000; 1551 break; 1552 } 1553 case TULIP_MEDIA_100BASEFX: 1554 case TULIP_MEDIA_100BASET4: 1555 case TULIP_MEDIA_100BASETX: { 1556 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1557 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1558 sc->tulip_if.if_baudrate = 100000000; 1559 break; 1560 } 1561 case TULIP_MEDIA_100BASEFX_FD: 1562 case TULIP_MEDIA_100BASETX_FD: { 1563 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1564 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1565 sc->tulip_if.if_baudrate = 100000000; 1566 break; 1567 } 1568 default: { 1569 break; 1570 } 1571 } 1572 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1573} 1574 1575/* 1576 ******************************************************************** 1577 * Start of 21140/21140A support which does not use the MII interface 1578 */ 1579 1580static void 1581tulip_null_media_poll( 1582 tulip_softc_t * const sc, 1583 tulip_mediapoll_event_t event) 1584{ 1585#if defined(TULIP_DEBUG) 1586 sc->tulip_dbg.dbg_events[event]++; 1587#endif 1588#if defined(DIAGNOSTIC) 1589 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1590 TULIP_PRINTF_ARGS, __LINE__); 1591#endif 1592} 1593 1594__inline__ static void 1595tulip_21140_mediainit( 1596 tulip_softc_t * const sc, 1597 tulip_media_info_t * const mip, 1598 tulip_media_t const media, 1599 unsigned gpdata, 1600 unsigned cmdmode) 1601{ 1602 sc->tulip_mediums[media] = mip; 1603 mip->mi_type = TULIP_MEDIAINFO_GPR; 1604 mip->mi_cmdmode = cmdmode; 1605 mip->mi_gpdata = gpdata; 1606} 1607 1608static void 1609tulip_21140_evalboard_media_probe( 1610 tulip_softc_t * const sc) 1611{ 1612 tulip_media_info_t *mip = sc->tulip_mediainfo; 1613 1614 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1615 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1616 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1617 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1618 TULIP_CSR_WRITE(sc, csr_command, 1619 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1620 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1621 TULIP_CSR_WRITE(sc, csr_command, 1622 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1623 DELAY(1000000); 1624 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1625 sc->tulip_media = TULIP_MEDIA_10BASET; 1626 } else { 1627 sc->tulip_media = TULIP_MEDIA_100BASETX; 1628 } 1629 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1630 TULIP_GP_EB_INIT, 1631 TULIP_CMD_TXTHRSHLDCTL); 1632 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1633 TULIP_GP_EB_INIT, 1634 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1635 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1636 TULIP_GP_EB_INIT, 1637 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1638 |TULIP_CMD_SCRAMBLER); 1639 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1640 TULIP_GP_EB_INIT, 1641 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1642 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1643} 1644 1645static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1646 TULIP_21140_DEC_EB, 1647 tulip_21140_evalboard_media_probe, 1648 tulip_media_select, 1649 tulip_null_media_poll, 1650 tulip_2114x_media_preset, 1651}; 1652 1653static void 1654tulip_21140_accton_media_probe( 1655 tulip_softc_t * const sc) 1656{ 1657 tulip_media_info_t *mip = sc->tulip_mediainfo; 1658 unsigned gpdata; 1659 1660 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1661 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1662 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1663 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1664 TULIP_CSR_WRITE(sc, csr_command, 1665 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1666 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1667 TULIP_CSR_WRITE(sc, csr_command, 1668 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1669 DELAY(1000000); 1670 gpdata = TULIP_CSR_READ(sc, csr_gp); 1671 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1672 sc->tulip_media = TULIP_MEDIA_10BASET; 1673 } else { 1674 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1675 sc->tulip_media = TULIP_MEDIA_BNC; 1676 } else { 1677 sc->tulip_media = TULIP_MEDIA_100BASETX; 1678 } 1679 } 1680 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1681 TULIP_GP_EN1207_BNC_INIT, 1682 TULIP_CMD_TXTHRSHLDCTL); 1683 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1684 TULIP_GP_EN1207_UTP_INIT, 1685 TULIP_CMD_TXTHRSHLDCTL); 1686 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1687 TULIP_GP_EN1207_UTP_INIT, 1688 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1689 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1690 TULIP_GP_EN1207_100_INIT, 1691 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1692 |TULIP_CMD_SCRAMBLER); 1693 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1694 TULIP_GP_EN1207_100_INIT, 1695 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1696 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1697} 1698 1699static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1700 TULIP_21140_EN1207, 1701 tulip_21140_accton_media_probe, 1702 tulip_media_select, 1703 tulip_null_media_poll, 1704 tulip_2114x_media_preset, 1705}; 1706 1707static void 1708tulip_21140_smc9332_media_probe( 1709 tulip_softc_t * const sc) 1710{ 1711 tulip_media_info_t *mip = sc->tulip_mediainfo; 1712 int idx, cnt = 0; 1713 1714 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1715 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1716 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1717 33MHz that comes to two microseconds but wait a 1718 bit longer anyways) */ 1719 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1720 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1721 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1722 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1723 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1724 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1725 DELAY(200000); 1726 for (idx = 1000; idx > 0; idx--) { 1727 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1728 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1729 if (++cnt > 100) 1730 break; 1731 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1732 break; 1733 } else { 1734 cnt = 0; 1735 } 1736 DELAY(1000); 1737 } 1738 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1739 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1740 TULIP_GP_SMC_9332_INIT, 1741 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1742 |TULIP_CMD_SCRAMBLER); 1743 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1744 TULIP_GP_SMC_9332_INIT, 1745 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1746 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1747 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1748 TULIP_GP_SMC_9332_INIT, 1749 TULIP_CMD_TXTHRSHLDCTL); 1750 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1751 TULIP_GP_SMC_9332_INIT, 1752 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1753} 1754 1755static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1756 TULIP_21140_SMC_9332, 1757 tulip_21140_smc9332_media_probe, 1758 tulip_media_select, 1759 tulip_null_media_poll, 1760 tulip_2114x_media_preset, 1761}; 1762 1763static void 1764tulip_21140_cogent_em100_media_probe( 1765 tulip_softc_t * const sc) 1766{ 1767 tulip_media_info_t *mip = sc->tulip_mediainfo; 1768 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1769 1770 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1771 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1772 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1773 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1774 1775 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1776 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1777 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1778 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1779 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1780 1781 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1782 TULIP_GP_EM100_INIT, 1783 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1784 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1785 TULIP_GP_EM100_INIT, 1786 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1787 |TULIP_CMD_FULLDUPLEX); 1788 } else { 1789 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1790 sc->tulip_media = TULIP_MEDIA_100BASETX; 1791 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1792 TULIP_GP_EM100_INIT, 1793 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1794 |TULIP_CMD_SCRAMBLER); 1795 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1796 TULIP_GP_EM100_INIT, 1797 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1798 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1799 } 1800} 1801 1802static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1803 TULIP_21140_COGENT_EM100, 1804 tulip_21140_cogent_em100_media_probe, 1805 tulip_media_select, 1806 tulip_null_media_poll, 1807 tulip_2114x_media_preset 1808}; 1809 1810static void 1811tulip_21140_znyx_zx34x_media_probe( 1812 tulip_softc_t * const sc) 1813{ 1814 tulip_media_info_t *mip = sc->tulip_mediainfo; 1815 int cnt10 = 0, cnt100 = 0, idx; 1816 1817 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1818 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1819 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1820 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1821 TULIP_CSR_WRITE(sc, csr_command, 1822 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1823 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1824 TULIP_CSR_WRITE(sc, csr_command, 1825 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1826 1827 DELAY(200000); 1828 for (idx = 1000; idx > 0; idx--) { 1829 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1830 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)) { 1831 if (++cnt100 > 100) 1832 break; 1833 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1834 if (++cnt10 > 100) 1835 break; 1836 } else { 1837 cnt10 = 0; 1838 cnt100 = 0; 1839 } 1840 DELAY(1000); 1841 } 1842 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1843 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1844 TULIP_GP_ZX34X_INIT, 1845 TULIP_CMD_TXTHRSHLDCTL); 1846 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1847 TULIP_GP_ZX34X_INIT, 1848 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1849 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1850 TULIP_GP_ZX34X_INIT, 1851 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1852 |TULIP_CMD_SCRAMBLER); 1853 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1854 TULIP_GP_ZX34X_INIT, 1855 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1856 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1857} 1858 1859static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1860 TULIP_21140_ZNYX_ZX34X, 1861 tulip_21140_znyx_zx34x_media_probe, 1862 tulip_media_select, 1863 tulip_null_media_poll, 1864 tulip_2114x_media_preset, 1865}; 1866 1867static void 1868tulip_2114x_media_probe( 1869 tulip_softc_t * const sc) 1870{ 1871 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1872 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1873} 1874 1875static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1876 TULIP_21140_ISV, 1877 tulip_2114x_media_probe, 1878 tulip_media_select, 1879 tulip_media_poll, 1880 tulip_2114x_media_preset, 1881}; 1882 1883/* 1884 * ******** END of chip-specific handlers. *********** 1885 */ 1886 1887/* 1888 * Code the read the SROM and MII bit streams (I2C) 1889 */ 1890static void 1891tulip_delay_300ns( 1892 tulip_softc_t * const sc) 1893{ 1894 int idx; 1895 for (idx = (300 / 33) + 1; idx > 0; idx--) 1896 (void) TULIP_CSR_READ(sc, csr_busmode); 1897} 1898 1899#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1900 1901static void 1902tulip_srom_idle( 1903 tulip_softc_t * const sc) 1904{ 1905 unsigned bit, csr; 1906 1907 csr = SROMSEL ; EMIT; 1908 csr = SROMSEL | SROMRD; EMIT; 1909 csr ^= SROMCS; EMIT; 1910 csr ^= SROMCLKON; EMIT; 1911 1912 /* 1913 * Write 25 cycles of 0 which will force the SROM to be idle. 1914 */ 1915 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1916 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1917 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1918 } 1919 csr ^= SROMCLKOFF; EMIT; 1920 csr ^= SROMCS; EMIT; 1921 csr = 0; EMIT; 1922} 1923 1924 1925static void 1926tulip_srom_read( 1927 tulip_softc_t * const sc) 1928{ 1929 unsigned idx; 1930 const unsigned bitwidth = SROM_BITWIDTH; 1931 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1932 const unsigned msb = 1 << (bitwidth + 3 - 1); 1933 unsigned lastidx = (1 << bitwidth) - 1; 1934 1935 tulip_srom_idle(sc); 1936 1937 for (idx = 0; idx <= lastidx; idx++) { 1938 unsigned lastbit, data, bits, bit, csr; 1939 csr = SROMSEL ; EMIT; 1940 csr = SROMSEL | SROMRD; EMIT; 1941 csr ^= SROMCSON; EMIT; 1942 csr ^= SROMCLKON; EMIT; 1943 1944 lastbit = 0; 1945 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1946 const unsigned thisbit = bits & msb; 1947 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1948 if (thisbit != lastbit) { 1949 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1950 } else { 1951 EMIT; 1952 } 1953 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1954 lastbit = thisbit; 1955 } 1956 csr ^= SROMCLKOFF; EMIT; 1957 1958 for (data = 0, bits = 0; bits < 16; bits++) { 1959 data <<= 1; 1960 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1961 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1962 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1963 } 1964 sc->tulip_rombuf[idx*2] = data & 0xFF; 1965 sc->tulip_rombuf[idx*2+1] = data >> 8; 1966 csr = SROMSEL | SROMRD; EMIT; 1967 csr = 0; EMIT; 1968 } 1969 tulip_srom_idle(sc); 1970} 1971 1972#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1973 1974static void 1975tulip_mii_writebits( 1976 tulip_softc_t * const sc, 1977 unsigned data, 1978 unsigned bits) 1979{ 1980 unsigned msb = 1 << (bits - 1); 1981 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1982 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1983 1984 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1985 1986 for (; bits > 0; bits--, data <<= 1) { 1987 const unsigned thisbit = data & msb; 1988 if (thisbit != lastbit) { 1989 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1990 } 1991 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1992 lastbit = thisbit; 1993 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1994 } 1995} 1996 1997static void 1998tulip_mii_turnaround( 1999 tulip_softc_t * const sc, 2000 unsigned cmd) 2001{ 2002 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2003 2004 if (cmd == MII_WRCMD) { 2005 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 2006 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2007 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2008 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2009 } else { 2010 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2011 } 2012 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2013 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2014} 2015 2016static unsigned 2017tulip_mii_readbits( 2018 tulip_softc_t * const sc) 2019{ 2020 unsigned data; 2021 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2022 int idx; 2023 2024 for (idx = 0, data = 0; idx < 16; idx++) { 2025 data <<= 1; /* this is NOOP on the first pass through */ 2026 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2027 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2028 data |= 1; 2029 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2030 } 2031 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2032 2033 return data; 2034} 2035 2036static unsigned 2037tulip_mii_readreg( 2038 tulip_softc_t * const sc, 2039 unsigned devaddr, 2040 unsigned regno) 2041{ 2042 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2043 unsigned data; 2044 2045 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2046 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2047 tulip_mii_writebits(sc, MII_RDCMD, 8); 2048 tulip_mii_writebits(sc, devaddr, 5); 2049 tulip_mii_writebits(sc, regno, 5); 2050 tulip_mii_turnaround(sc, MII_RDCMD); 2051 2052 data = tulip_mii_readbits(sc); 2053#if defined(TULIP_DEBUG) 2054 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2055 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2056#endif 2057 return data; 2058} 2059 2060static void 2061tulip_mii_writereg( 2062 tulip_softc_t * const sc, 2063 unsigned devaddr, 2064 unsigned regno, 2065 unsigned data) 2066{ 2067 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2068 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2069 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2070 tulip_mii_writebits(sc, MII_WRCMD, 8); 2071 tulip_mii_writebits(sc, devaddr, 5); 2072 tulip_mii_writebits(sc, regno, 5); 2073 tulip_mii_turnaround(sc, MII_WRCMD); 2074 tulip_mii_writebits(sc, data, 16); 2075#if defined(TULIP_DEBUG) 2076 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2077 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2078#endif 2079} 2080 2081#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2082#define tulip_srom_crcok(databuf) ( \ 2083 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2084 ((databuf)[126] | ((databuf)[127] << 8))) 2085 2086static unsigned 2087tulip_crc32( 2088 const unsigned char *databuf, 2089 size_t datalen) 2090{ 2091 u_int idx, crc = 0xFFFFFFFFUL; 2092 static const u_int crctab[] = { 2093 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2094 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2095 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2096 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2097 }; 2098 2099 for (idx = 0; idx < datalen; idx++) { 2100 crc ^= *databuf++; 2101 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2102 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2103 } 2104 return crc; 2105} 2106 2107static void 2108tulip_identify_dec_nic( 2109 tulip_softc_t * const sc) 2110{ 2111 strcpy(sc->tulip_boardid, "DEC "); 2112#define D0 4 2113 if (sc->tulip_chipid <= TULIP_DE425) 2114 return; 2115 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2116 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2117 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2118 sc->tulip_boardid[D0+8] = ' '; 2119 } 2120#undef D0 2121} 2122 2123static void 2124tulip_identify_znyx_nic( 2125 tulip_softc_t * const sc) 2126{ 2127 unsigned id = 0; 2128 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2129 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2130 unsigned znyx_ptr; 2131 sc->tulip_boardid[8] = '4'; 2132 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2133 if (znyx_ptr < 26 || znyx_ptr > 116) { 2134 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2135 return; 2136 } 2137 /* ZX344 = 0010 .. 0013FF 2138 */ 2139 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2140 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2141 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2142 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2143 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2144 sc->tulip_boardid[9] = '2'; 2145 if (id == TULIP_ZNYX_ID_ZX342B) { 2146 sc->tulip_boardid[10] = 'B'; 2147 sc->tulip_boardid[11] = ' '; 2148 } 2149 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2150 } else if (id == TULIP_ZNYX_ID_ZX344) { 2151 sc->tulip_boardid[10] = '4'; 2152 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2153 } else if (id == TULIP_ZNYX_ID_ZX345) { 2154 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2155 } else if (id == TULIP_ZNYX_ID_ZX346) { 2156 sc->tulip_boardid[9] = '6'; 2157 } else if (id == TULIP_ZNYX_ID_ZX351) { 2158 sc->tulip_boardid[8] = '5'; 2159 sc->tulip_boardid[9] = '1'; 2160 } 2161 } 2162 if (id == 0) { 2163 /* 2164 * Assume it's a ZX342... 2165 */ 2166 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2167 } 2168 return; 2169 } 2170 sc->tulip_boardid[8] = '1'; 2171 if (sc->tulip_chipid == TULIP_21041) { 2172 sc->tulip_boardid[10] = '1'; 2173 return; 2174 } 2175 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2176 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2177 if (id == TULIP_ZNYX_ID_ZX312T) { 2178 sc->tulip_boardid[9] = '2'; 2179 sc->tulip_boardid[10] = 'T'; 2180 sc->tulip_boardid[11] = ' '; 2181 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2182 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2183 sc->tulip_boardid[9] = '4'; 2184 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2185 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2186 } else if (id == TULIP_ZNYX_ID_ZX314) { 2187 sc->tulip_boardid[9] = '4'; 2188 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2189 sc->tulip_features |= TULIP_HAVE_BASEROM; 2190 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2191 sc->tulip_boardid[9] = '5'; 2192 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2193 } else if (id == TULIP_ZNYX_ID_ZX315) { 2194 sc->tulip_boardid[9] = '5'; 2195 sc->tulip_features |= TULIP_HAVE_BASEROM; 2196 } else { 2197 id = 0; 2198 } 2199 } 2200 if (id == 0) { 2201 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2202 sc->tulip_boardid[9] = '4'; 2203 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2204 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2205 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2206 sc->tulip_boardid[9] = '5'; 2207 sc->tulip_boardsw = &tulip_21040_boardsw; 2208 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2209 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2210 sc->tulip_boardid[9] = '2'; 2211 sc->tulip_boardsw = &tulip_21040_boardsw; 2212 } 2213 } 2214} 2215 2216static void 2217tulip_identify_smc_nic( 2218 tulip_softc_t * const sc) 2219{ 2220 u_int32_t id1, id2, ei; 2221 int auibnc = 0, utp = 0; 2222 char *cp; 2223 2224 strcpy(sc->tulip_boardid, "SMC "); 2225 if (sc->tulip_chipid == TULIP_21041) 2226 return; 2227 if (sc->tulip_chipid != TULIP_21040) { 2228 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2229 strcpy(&sc->tulip_boardid[4], "9332DST "); 2230 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2231 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2232 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2233 } else { 2234 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2235 } 2236 return; 2237 } 2238 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2239 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2240 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2241 2242 strcpy(&sc->tulip_boardid[4], "8432"); 2243 cp = &sc->tulip_boardid[8]; 2244 if ((id1 & 1) == 0) 2245 *cp++ = 'B', auibnc = 1; 2246 if ((id1 & 0xFF) > 0x32) 2247 *cp++ = 'T', utp = 1; 2248 if ((id1 & 0x4000) == 0) 2249 *cp++ = 'A', auibnc = 1; 2250 if (id2 == 0x15) { 2251 sc->tulip_boardid[7] = '4'; 2252 *cp++ = '-'; 2253 *cp++ = 'C'; 2254 *cp++ = 'H'; 2255 *cp++ = (ei ? '2' : '1'); 2256 } 2257 *cp++ = ' '; 2258 *cp = '\0'; 2259 if (utp && !auibnc) 2260 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2261 else if (!utp && auibnc) 2262 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2263} 2264 2265static void 2266tulip_identify_cogent_nic( 2267 tulip_softc_t * const sc) 2268{ 2269 strcpy(sc->tulip_boardid, "Cogent "); 2270 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2271 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2272 strcat(sc->tulip_boardid, "EM100TX "); 2273 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2274#if defined(TULIP_COGENT_EM110TX_ID) 2275 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2276 strcat(sc->tulip_boardid, "EM110TX "); 2277 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2278#endif 2279 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2280 strcat(sc->tulip_boardid, "EM100FX "); 2281 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2282 } 2283 /* 2284 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2285 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2286 */ 2287 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2288 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2289 /* 2290 * Cogent (Adaptec) is still mapping all INTs to INTA of 2291 * first 21140. Dumb! Dumb! 2292 */ 2293 strcat(sc->tulip_boardid, "EM440TX "); 2294 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2295 } 2296 } else if (sc->tulip_chipid == TULIP_21040) { 2297 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2298 } 2299} 2300 2301static void 2302tulip_identify_accton_nic( 2303 tulip_softc_t * const sc) 2304{ 2305 strcpy(sc->tulip_boardid, "ACCTON "); 2306 switch (sc->tulip_chipid) { 2307 case TULIP_21140A: 2308 strcat(sc->tulip_boardid, "EN1207 "); 2309 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2310 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2311 break; 2312 case TULIP_21140: 2313 strcat(sc->tulip_boardid, "EN1207TX "); 2314 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2315 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2316 break; 2317 case TULIP_21040: 2318 strcat(sc->tulip_boardid, "EN1203 "); 2319 sc->tulip_boardsw = &tulip_21040_boardsw; 2320 break; 2321 case TULIP_21041: 2322 strcat(sc->tulip_boardid, "EN1203 "); 2323 sc->tulip_boardsw = &tulip_21041_boardsw; 2324 break; 2325 default: 2326 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2327 break; 2328 } 2329} 2330 2331static void 2332tulip_identify_asante_nic( 2333 tulip_softc_t * const sc) 2334{ 2335 strcpy(sc->tulip_boardid, "Asante "); 2336 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2337 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2338 tulip_media_info_t *mi = sc->tulip_mediainfo; 2339 int idx; 2340 /* 2341 * The Asante Fast Ethernet doesn't always ship with a valid 2342 * new format SROM. So if isn't in the new format, we cheat 2343 * set it up as if we had. 2344 */ 2345 2346 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2347 sc->tulip_gpdata = 0; 2348 2349 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2350 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2351 DELAY(100); 2352 TULIP_CSR_WRITE(sc, csr_gp, 0); 2353 2354 mi->mi_type = TULIP_MEDIAINFO_MII; 2355 mi->mi_gpr_length = 0; 2356 mi->mi_gpr_offset = 0; 2357 mi->mi_reset_length = 0; 2358 mi->mi_reset_offset = 0;; 2359 2360 mi->mi_phyaddr = TULIP_MII_NOPHY; 2361 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2362 DELAY(10000); 2363 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2364 } 2365 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2366 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2367 return; 2368 } 2369 2370 sc->tulip_features |= TULIP_HAVE_MII; 2371 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2372 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2373 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2374 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2375 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2376 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2377 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2378 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2379 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2380 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2381 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2382 2383 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2384 } 2385} 2386 2387static int 2388tulip_srom_decode( 2389 tulip_softc_t * const sc) 2390{ 2391 unsigned idx1, idx2, idx3; 2392 2393 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2394 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2395 tulip_srom_media_t srom_media; 2396 tulip_media_info_t *mi = sc->tulip_mediainfo; 2397 const u_int8_t *dp; 2398 u_int32_t leaf_offset, blocks, data; 2399 2400 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2401 if (shp->sh_adapter_count == 1) 2402 break; 2403 if (saip->sai_device == sc->tulip_pci_devno) 2404 break; 2405 } 2406 /* 2407 * Didn't find the right media block for this card. 2408 */ 2409 if (idx1 == shp->sh_adapter_count) 2410 return 0; 2411 2412 /* 2413 * Save the hardware address. 2414 */ 2415 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6); 2416 /* 2417 * If this is a multiple port card, add the adapter index to the last 2418 * byte of the hardware address. (if it isn't multiport, adding 0 2419 * won't hurt. 2420 */ 2421 sc->tulip_enaddr[5] += idx1; 2422 2423 leaf_offset = saip->sai_leaf_offset_lowbyte 2424 + saip->sai_leaf_offset_highbyte * 256; 2425 dp = sc->tulip_rombuf + leaf_offset; 2426 2427 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2428 2429 for (idx2 = 0;; idx2++) { 2430 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2431 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2432 break; 2433 } 2434 sc->tulip_connidx = idx2; 2435 2436 if (sc->tulip_chipid == TULIP_21041) { 2437 blocks = *dp++; 2438 for (idx2 = 0; idx2 < blocks; idx2++) { 2439 tulip_media_t media; 2440 data = *dp++; 2441 srom_media = (tulip_srom_media_t) (data & 0x3F); 2442 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2443 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2444 break; 2445 } 2446 media = tulip_srom_mediums[idx3].sm_type; 2447 if (media != TULIP_MEDIA_UNKNOWN) { 2448 if (data & TULIP_SROM_21041_EXTENDED) { 2449 mi->mi_type = TULIP_MEDIAINFO_SIA; 2450 sc->tulip_mediums[media] = mi; 2451 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2452 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2453 mi->mi_sia_general = dp[4] + dp[5] * 256; 2454 mi++; 2455 } else { 2456 switch (media) { 2457 case TULIP_MEDIA_BNC: { 2458 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2459 mi++; 2460 break; 2461 } 2462 case TULIP_MEDIA_AUI: { 2463 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2464 mi++; 2465 break; 2466 } 2467 case TULIP_MEDIA_10BASET: { 2468 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2469 mi++; 2470 break; 2471 } 2472 case TULIP_MEDIA_10BASET_FD: { 2473 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2474 mi++; 2475 break; 2476 } 2477 default: { 2478 break; 2479 } 2480 } 2481 } 2482 } 2483 if (data & TULIP_SROM_21041_EXTENDED) 2484 dp += 6; 2485 } 2486#ifdef notdef 2487 if (blocks == 0) { 2488 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2489 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2490 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2491 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2492 } 2493#endif 2494 } else { 2495 unsigned length, type; 2496 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2497 if (sc->tulip_features & TULIP_HAVE_GPR) 2498 sc->tulip_gpinit = *dp++; 2499 blocks = *dp++; 2500 for (idx2 = 0; idx2 < blocks; idx2++) { 2501 const u_int8_t *ep; 2502 if ((*dp & 0x80) == 0) { 2503 length = 4; 2504 type = 0; 2505 } else { 2506 length = (*dp++ & 0x7f) - 1; 2507 type = *dp++ & 0x3f; 2508 } 2509 ep = dp + length; 2510 switch (type & 0x3f) { 2511 case 0: { /* 21140[A] GPR block */ 2512 tulip_media_t media; 2513 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2514 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2515 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2516 break; 2517 } 2518 media = tulip_srom_mediums[idx3].sm_type; 2519 if (media == TULIP_MEDIA_UNKNOWN) 2520 break; 2521 mi->mi_type = TULIP_MEDIAINFO_GPR; 2522 sc->tulip_mediums[media] = mi; 2523 mi->mi_gpdata = dp[1]; 2524 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2525 sc->tulip_gpdata = mi->mi_gpdata; 2526 gp_media = media; 2527 } 2528 data = dp[2] + dp[3] * 256; 2529 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2530 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2531 mi->mi_actmask = 0; 2532 } else { 2533#if 0 2534 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2535#endif 2536 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2537 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2538 } 2539 mi++; 2540 break; 2541 } 2542 case 1: { /* 21140[A] MII block */ 2543 const unsigned phyno = *dp++; 2544 mi->mi_type = TULIP_MEDIAINFO_MII; 2545 mi->mi_gpr_length = *dp++; 2546 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2547 dp += mi->mi_gpr_length; 2548 mi->mi_reset_length = *dp++; 2549 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2550 dp += mi->mi_reset_length; 2551 2552 /* 2553 * Before we probe for a PHY, use the GPR information 2554 * to select it. If we don't, it may be inaccessible. 2555 */ 2556 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2557 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2558 DELAY(10); 2559 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2560 } 2561 sc->tulip_phyaddr = mi->mi_phyaddr; 2562 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2563 DELAY(10); 2564 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2565 } 2566 2567 /* 2568 * At least write something! 2569 */ 2570 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2571 TULIP_CSR_WRITE(sc, csr_gp, 0); 2572 2573 mi->mi_phyaddr = TULIP_MII_NOPHY; 2574 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2575 DELAY(10000); 2576 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2577 } 2578 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2579#if defined(TULIP_DEBUG) 2580 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2581 TULIP_PRINTF_ARGS, phyno); 2582#endif 2583 break; 2584 } 2585 sc->tulip_features |= TULIP_HAVE_MII; 2586 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2587 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2588 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2589 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2590 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2591 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2592 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2593 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2594 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2595 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2596 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2597 mi++; 2598 break; 2599 } 2600 case 2: { /* 2114[23] SIA block */ 2601 tulip_media_t media; 2602 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2603 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2604 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2605 break; 2606 } 2607 media = tulip_srom_mediums[idx3].sm_type; 2608 if (media == TULIP_MEDIA_UNKNOWN) 2609 break; 2610 mi->mi_type = TULIP_MEDIAINFO_SIA; 2611 sc->tulip_mediums[media] = mi; 2612 if (dp[0] & 0x40) { 2613 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2614 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2615 mi->mi_sia_general = dp[5] + dp[6] * 256; 2616 dp += 6; 2617 } else { 2618 switch (media) { 2619 case TULIP_MEDIA_BNC: { 2620 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2621 break; 2622 } 2623 case TULIP_MEDIA_AUI: { 2624 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2625 break; 2626 } 2627 case TULIP_MEDIA_10BASET: { 2628 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2629 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2630 break; 2631 } 2632 case TULIP_MEDIA_10BASET_FD: { 2633 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2634 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2635 break; 2636 } 2637 default: { 2638 goto bad_media; 2639 } 2640 } 2641 } 2642 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2643 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2644 mi++; 2645 bad_media: 2646 break; 2647 } 2648 case 3: { /* 2114[23] MII PHY block */ 2649 const unsigned phyno = *dp++; 2650 const u_int8_t *dp0; 2651 mi->mi_type = TULIP_MEDIAINFO_MII; 2652 mi->mi_gpr_length = *dp++; 2653 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2654 dp += 2 * mi->mi_gpr_length; 2655 mi->mi_reset_length = *dp++; 2656 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2657 dp += 2 * mi->mi_reset_length; 2658 2659 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2660 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2661 DELAY(10); 2662 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2663 } 2664 sc->tulip_phyaddr = mi->mi_phyaddr; 2665 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2666 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2667 DELAY(10); 2668 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2669 } 2670 2671 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2672 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2673 2674 mi->mi_phyaddr = TULIP_MII_NOPHY; 2675 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2676 DELAY(10000); 2677 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2678 } 2679 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2680#if defined(TULIP_DEBUG) 2681 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2682 TULIP_PRINTF_ARGS, phyno); 2683#endif 2684 break; 2685 } 2686 sc->tulip_features |= TULIP_HAVE_MII; 2687 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2688 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2689 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2690 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2691 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2692 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2693 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2694 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2695 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2696 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2697 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2698 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2699 mi++; 2700 break; 2701 } 2702 case 4: { /* 21143 SYM block */ 2703 tulip_media_t media; 2704 srom_media = (tulip_srom_media_t) dp[0]; 2705 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2706 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2707 break; 2708 } 2709 media = tulip_srom_mediums[idx3].sm_type; 2710 if (media == TULIP_MEDIA_UNKNOWN) 2711 break; 2712 mi->mi_type = TULIP_MEDIAINFO_SYM; 2713 sc->tulip_mediums[media] = mi; 2714 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2715 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2716 data = dp[5] + dp[6] * 256; 2717 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2718 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2719 mi->mi_actmask = 0; 2720 } else { 2721 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2722 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2723 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2724 } 2725 if (TULIP_IS_MEDIA_TP(media)) 2726 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2727 mi++; 2728 break; 2729 } 2730#if 0 2731 case 5: { /* 21143 Reset block */ 2732 mi->mi_type = TULIP_MEDIAINFO_RESET; 2733 mi->mi_reset_length = *dp++; 2734 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2735 dp += 2 * mi->mi_reset_length; 2736 mi++; 2737 break; 2738 } 2739#endif 2740 default: { 2741 } 2742 } 2743 dp = ep; 2744 } 2745 } 2746 return mi - sc->tulip_mediainfo; 2747} 2748 2749static const struct { 2750 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2751 unsigned char vendor_oui[3]; 2752} tulip_vendors[] = { 2753 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2754 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2755 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2756 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2757 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2758 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2759 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2760 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2761 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2762 { NULL } 2763}; 2764 2765/* 2766 * This deals with the vagaries of the address roms and the 2767 * brain-deadness that various vendors commit in using them. 2768 */ 2769static int 2770tulip_read_macaddr( 2771 tulip_softc_t * const sc) 2772{ 2773 unsigned cksum, rom_cksum, idx; 2774 u_int32_t csr; 2775 unsigned char tmpbuf[8]; 2776 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2777 2778 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2779 2780 if (sc->tulip_chipid == TULIP_21040) { 2781 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2782 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2783 int cnt = 0; 2784 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2785 cnt++; 2786 sc->tulip_rombuf[idx] = csr & 0xFF; 2787 } 2788 sc->tulip_boardsw = &tulip_21040_boardsw; 2789#if defined(TULIP_EISA) 2790 } else if (sc->tulip_chipid == TULIP_DE425) { 2791 int cnt; 2792 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2793 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2794 if (tmpbuf[idx] == testpat[idx]) 2795 ++idx; 2796 else 2797 idx = 0; 2798 } 2799 for (idx = 0; idx < 32; idx++) 2800 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2801 sc->tulip_boardsw = &tulip_21040_boardsw; 2802#endif /* TULIP_EISA */ 2803 } else { 2804 if (sc->tulip_chipid == TULIP_21041) { 2805 /* 2806 * Thankfully all 21041's act the same. 2807 */ 2808 sc->tulip_boardsw = &tulip_21041_boardsw; 2809 } else { 2810 /* 2811 * Assume all 21140 board are compatible with the 2812 * DEC 10/100 evaluation board. Not really valid but 2813 * it's the best we can do until every one switches to 2814 * the new SROM format. 2815 */ 2816 2817 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2818 } 2819 tulip_srom_read(sc); 2820 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2821 /* 2822 * SROM CRC is valid therefore it must be in the 2823 * new format. 2824 */ 2825 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2826 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2827 /* 2828 * No checksum is present. See if the SROM id checks out; 2829 * the first 18 bytes should be 0 followed by a 1 followed 2830 * by the number of adapters (which we don't deal with yet). 2831 */ 2832 for (idx = 0; idx < 18; idx++) { 2833 if (sc->tulip_rombuf[idx] != 0) 2834 break; 2835 } 2836 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2837 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2838 } else if (sc->tulip_chipid >= TULIP_21142) { 2839 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2840 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2841 } 2842 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2843 if (sc->tulip_chipid != TULIP_21041) 2844 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2845 2846 /* 2847 * If the SROM specifies more than one adapter, tag this as a 2848 * BASE rom. 2849 */ 2850 if (sc->tulip_rombuf[19] > 1) 2851 sc->tulip_features |= TULIP_HAVE_BASEROM; 2852 if (sc->tulip_boardsw == NULL) 2853 return -6; 2854 goto check_oui; 2855 } 2856 } 2857 2858 2859 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2860 /* 2861 * Some folks don't use the standard ethernet rom format 2862 * but instead just put the address in the first 6 bytes 2863 * of the rom and let the rest be all 0xffs. (Can we say 2864 * ZNYX?) (well sometimes they put in a checksum so we'll 2865 * start at 8). 2866 */ 2867 for (idx = 8; idx < 32; idx++) { 2868 if (sc->tulip_rombuf[idx] != 0xFF) 2869 return -4; 2870 } 2871 /* 2872 * Make sure the address is not multicast or locally assigned 2873 * that the OUI is not 00-00-00. 2874 */ 2875 if ((sc->tulip_rombuf[0] & 3) != 0) 2876 return -4; 2877 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2878 && sc->tulip_rombuf[2] == 0) 2879 return -4; 2880 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2881 sc->tulip_features |= TULIP_HAVE_OKROM; 2882 goto check_oui; 2883 } else { 2884 /* 2885 * A number of makers of multiport boards (ZNYX and Cogent) 2886 * only put on one address ROM on their 21040 boards. So 2887 * if the ROM is all zeros (or all 0xFFs), look at the 2888 * previous configured boards (as long as they are on the same 2889 * PCI bus and the bus number is non-zero) until we find the 2890 * master board with address ROM. We then use its address ROM 2891 * as the base for this board. (we add our relative board 2892 * to the last byte of its address). 2893 */ 2894 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2895 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2896 break; 2897 } 2898 if (idx == sizeof(sc->tulip_rombuf)) { 2899 int root_unit; 2900 tulip_softc_t *root_sc = NULL; 2901 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2902 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2903 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2904 break; 2905 root_sc = NULL; 2906 } 2907 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2908 && root_sc->tulip_chipid == sc->tulip_chipid 2909 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2910 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2911 sc->tulip_boardsw = root_sc->tulip_boardsw; 2912 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2913 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2914 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2915 sizeof(sc->tulip_rombuf)); 2916 if (!tulip_srom_decode(sc)) 2917 return -5; 2918 } else { 2919 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2920 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2921 } 2922 /* 2923 * Now for a truly disgusting kludge: all 4 21040s on 2924 * the ZX314 share the same INTA line so the mapping 2925 * setup by the BIOS on the PCI bridge is worthless. 2926 * Rather than reprogramming the value in the config 2927 * register, we will handle this internally. 2928 */ 2929 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2930 sc->tulip_slaves = root_sc->tulip_slaves; 2931 root_sc->tulip_slaves = sc; 2932 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2933 } 2934 return 0; 2935 } 2936 } 2937 } 2938 2939 /* 2940 * This is the standard DEC address ROM test. 2941 */ 2942 2943 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2944 return -3; 2945 2946 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2947 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2948 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2949 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2950 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2951 return -2; 2952 2953 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2954 2955 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2956 cksum *= 2; 2957 if (cksum > 65535) cksum -= 65535; 2958 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2959 if (cksum > 65535) cksum -= 65535; 2960 cksum *= 2; 2961 if (cksum > 65535) cksum -= 65535; 2962 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2963 if (cksum >= 65535) cksum -= 65535; 2964 2965 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2966 2967 if (cksum != rom_cksum) 2968 return -1; 2969 2970 check_oui: 2971 /* 2972 * Check for various boards based on OUI. Did I say braindead? 2973 */ 2974 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2975 if (bcmp((caddr_t) sc->tulip_enaddr, 2976 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2977 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2978 break; 2979 } 2980 } 2981 2982 sc->tulip_features |= TULIP_HAVE_OKROM; 2983 return 0; 2984} 2985 2986#if defined(IFM_ETHER) 2987static void 2988tulip_ifmedia_add( 2989 tulip_softc_t * const sc) 2990{ 2991 tulip_media_t media; 2992 int medias = 0; 2993 2994 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2995 if (sc->tulip_mediums[media] != NULL) { 2996 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2997 0, 0); 2998 medias++; 2999 } 3000 } 3001 if (medias == 0) { 3002 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3003 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3004 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3005 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3006 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3007 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3008 } else { 3009 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3010 sc->tulip_flags |= TULIP_PRINTMEDIA; 3011 tulip_linkup(sc, sc->tulip_media); 3012 } 3013} 3014 3015static int 3016tulip_ifmedia_change( 3017 struct ifnet * const ifp) 3018{ 3019 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3020 3021 sc->tulip_flags |= TULIP_NEEDRESET; 3022 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3023 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3024 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3025 tulip_media_t media; 3026 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3027 if (sc->tulip_mediums[media] != NULL 3028 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3029 sc->tulip_flags |= TULIP_PRINTMEDIA; 3030 sc->tulip_flags &= ~TULIP_DIDNWAY; 3031 tulip_linkup(sc, media); 3032 return 0; 3033 } 3034 } 3035 } 3036 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3037 tulip_reset(sc); 3038 tulip_init(sc); 3039 return 0; 3040} 3041 3042/* 3043 * Media status callback 3044 */ 3045static void 3046tulip_ifmedia_status( 3047 struct ifnet * const ifp, 3048 struct ifmediareq *req) 3049{ 3050 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3051 3052#if defined(__bsdi__) 3053 if (sc->tulip_mii.mii_instance != 0) { 3054 mii_pollstat(&sc->tulip_mii); 3055 req->ifm_active = sc->tulip_mii.mii_media_active; 3056 req->ifm_status = sc->tulip_mii.mii_media_status; 3057 return; 3058 } 3059#endif 3060 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3061 return; 3062 3063 req->ifm_status = IFM_AVALID; 3064 if (sc->tulip_flags & TULIP_LINKUP) 3065 req->ifm_status |= IFM_ACTIVE; 3066 3067 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3068} 3069#endif 3070 3071static void 3072tulip_addr_filter( 3073 tulip_softc_t * const sc) 3074{ 3075#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3076 struct ifmultiaddr *ifma; 3077 u_char *addrp; 3078#else 3079 struct ether_multistep step; 3080 struct ether_multi *enm; 3081#endif 3082 int multicnt; 3083 3084 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3085 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3086 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3087 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3088#if defined(IFF_ALLMULTI) 3089 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 3090#endif 3091 3092#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3093 multicnt = 0; 3094 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3095 ifma = ifma->ifma_link.le_next) { 3096 3097 if (ifma->ifma_addr->sa_family == AF_LINK) 3098 multicnt++; 3099 } 3100#else 3101 multicnt = sc->tulip_multicnt; 3102#endif 3103 3104 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3105 if (multicnt > 14) { 3106 u_int32_t *sp = sc->tulip_setupdata; 3107 unsigned hash; 3108 /* 3109 * Some early passes of the 21140 have broken implementations of 3110 * hash-perfect mode. When we get too many multicasts for perfect 3111 * filtering with these chips, we need to switch into hash-only 3112 * mode (this is better than all-multicast on network with lots 3113 * of multicast traffic). 3114 */ 3115 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3116 sc->tulip_flags |= TULIP_WANTHASHONLY; 3117 else 3118 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3119 /* 3120 * If we have more than 14 multicasts, we have 3121 * go into hash perfect mode (512 bit multicast 3122 * hash and one perfect hardware). 3123 */ 3124 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3125 3126#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3127 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3128 ifma = ifma->ifma_link.le_next) { 3129 3130 if (ifma->ifma_addr->sa_family != AF_LINK) 3131 continue; 3132 3133 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3134 sp[hash >> 4] |= 1 << (hash & 0xF); 3135 } 3136#else 3137 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3138 while (enm != NULL) { 3139 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3140 hash = tulip_mchash(enm->enm_addrlo); 3141 sp[hash >> 4] |= 1 << (hash & 0xF); 3142 } else { 3143 sc->tulip_flags |= TULIP_ALLMULTI; 3144 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3145 break; 3146 } 3147 ETHER_NEXT_MULTI(step, enm); 3148 } 3149#endif 3150 /* 3151 * No reason to use a hash if we are going to be 3152 * receiving every multicast. 3153 */ 3154 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3155 hash = tulip_mchash(etherbroadcastaddr); 3156 sp[hash >> 4] |= 1 << (hash & 0xF); 3157 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3158 hash = tulip_mchash(sc->tulip_enaddr); 3159 sp[hash >> 4] |= 1 << (hash & 0xF); 3160 } else { 3161 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3162 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3163 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3164 } 3165 } 3166 } 3167 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3168 u_int32_t *sp = sc->tulip_setupdata; 3169 int idx = 0; 3170 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3171 /* 3172 * Else can get perfect filtering for 16 addresses. 3173 */ 3174#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3175 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3176 ifma = ifma->ifma_link.le_next) { 3177 if (ifma->ifma_addr->sa_family != AF_LINK) 3178 continue; 3179 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3180 *sp++ = ((u_int16_t *) addrp)[0]; 3181 *sp++ = ((u_int16_t *) addrp)[1]; 3182 *sp++ = ((u_int16_t *) addrp)[2]; 3183 idx++; 3184 } 3185#else 3186 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3187 for (; enm != NULL; idx++) { 3188 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3189 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 3190 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 3191 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 3192 } else { 3193 sc->tulip_flags |= TULIP_ALLMULTI; 3194 break; 3195 } 3196 ETHER_NEXT_MULTI(step, enm); 3197 } 3198#endif 3199 /* 3200 * Add the broadcast address. 3201 */ 3202 idx++; 3203 *sp++ = 0xFFFF; 3204 *sp++ = 0xFFFF; 3205 *sp++ = 0xFFFF; 3206 } 3207 /* 3208 * Pad the rest with our hardware address 3209 */ 3210 for (; idx < 16; idx++) { 3211 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3212 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3213 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3214 } 3215 } 3216#if defined(IFF_ALLMULTI) 3217 if (sc->tulip_flags & TULIP_ALLMULTI) 3218 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3219#endif 3220} 3221 3222static void 3223tulip_reset( 3224 tulip_softc_t * const sc) 3225{ 3226 tulip_ringinfo_t *ri; 3227 tulip_desc_t *di; 3228 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3229 3230 /* 3231 * Brilliant. Simply brilliant. When switching modes/speeds 3232 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3233 * bits in CSR6 and then do a software reset to get the 21140 3234 * to properly reset its internal pathways to the right places. 3235 * Grrrr. 3236 */ 3237 if (sc->tulip_boardsw->bd_media_preset != NULL) 3238 (*sc->tulip_boardsw->bd_media_preset)(sc); 3239 3240 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3241 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3242 33MHz that comes to two microseconds but wait a 3243 bit longer anyways) */ 3244 3245 if (!inreset) { 3246 sc->tulip_flags |= TULIP_INRESET; 3247 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3248 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3249 sc->tulip_if.if_start = tulip_ifstart; 3250 } 3251 3252#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3253 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3254#else 3255 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3256#endif 3257#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3258 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3259#else 3260 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3261#endif 3262 TULIP_CSR_WRITE(sc, csr_busmode, 3263 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3264 |TULIP_BUSMODE_CACHE_ALIGN8 3265 |TULIP_BUSMODE_READMULTIPLE 3266 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); 3267 3268 sc->tulip_txtimer = 0; 3269 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3270 /* 3271 * Free all the mbufs that were on the transmit ring. 3272 */ 3273 for (;;) { 3274#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3275 bus_dmamap_t map; 3276#endif 3277 struct mbuf *m; 3278 IF_DEQUEUE(&sc->tulip_txq, m); 3279 if (m == NULL) 3280 break; 3281#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3282 map = M_GETCTX(m, bus_dmamap_t); 3283 bus_dmamap_unload(sc->tulip_dmatag, map); 3284 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3285#endif 3286 m_freem(m); 3287 } 3288 3289 ri = &sc->tulip_txinfo; 3290 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3291 ri->ri_free = ri->ri_max; 3292 for (di = ri->ri_first; di < ri->ri_last; di++) 3293 di->d_status = 0; 3294#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3295 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3296 0, sc->tulip_txdescmap->dm_mapsize, 3297 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3298#endif 3299 3300 /* 3301 * We need to collect all the mbufs were on the 3302 * receive ring before we reinit it either to put 3303 * them back on or to know if we have to allocate 3304 * more. 3305 */ 3306 ri = &sc->tulip_rxinfo; 3307 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3308 ri->ri_free = ri->ri_max; 3309 for (di = ri->ri_first; di < ri->ri_last; di++) { 3310 di->d_status = 0; 3311 di->d_length1 = 0; di->d_addr1 = 0; 3312 di->d_length2 = 0; di->d_addr2 = 0; 3313 } 3314#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3315 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3316 0, sc->tulip_rxdescmap->dm_mapsize, 3317 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3318#endif 3319 for (;;) { 3320#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3321 bus_dmamap_t map; 3322#endif 3323 struct mbuf *m; 3324 IF_DEQUEUE(&sc->tulip_rxq, m); 3325 if (m == NULL) 3326 break; 3327#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3328 map = M_GETCTX(m, bus_dmamap_t); 3329 bus_dmamap_unload(sc->tulip_dmatag, map); 3330 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3331#endif 3332 m_freem(m); 3333 } 3334 3335 /* 3336 * If tulip_reset is being called recurisvely, exit quickly knowing 3337 * that when the outer tulip_reset returns all the right stuff will 3338 * have happened. 3339 */ 3340 if (inreset) 3341 return; 3342 3343 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3344 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3345 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3346 |TULIP_STS_RXSTOPPED; 3347 3348 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3349 (*sc->tulip_boardsw->bd_media_select)(sc); 3350#if defined(TULIP_DEBUG) 3351 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3352 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3353 TULIP_PRINTF_ARGS); 3354#endif 3355 tulip_media_print(sc); 3356 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3357 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3358 3359 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3360 |TULIP_RXACT); 3361 tulip_addr_filter(sc); 3362} 3363 3364static void 3365tulip_init( 3366 tulip_softc_t * const sc) 3367{ 3368 if (sc->tulip_if.if_flags & IFF_UP) { 3369 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3370 /* initialize the media */ 3371 tulip_reset(sc); 3372 } 3373 sc->tulip_if.if_flags |= IFF_RUNNING; 3374 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3375 sc->tulip_flags |= TULIP_PROMISC; 3376 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3377 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3378 } else { 3379 sc->tulip_flags &= ~TULIP_PROMISC; 3380 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3381 if (sc->tulip_flags & TULIP_ALLMULTI) { 3382 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3383 } else { 3384 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3385 } 3386 } 3387 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3388 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3389 tulip_rx_intr(sc); 3390 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3391 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3392 } else { 3393 sc->tulip_if.if_flags |= IFF_OACTIVE; 3394 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3395 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3396 } 3397 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3398 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3399 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3400 tulip_txput_setup(sc); 3401 } else { 3402 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3403 tulip_reset(sc); 3404 } 3405} 3406 3407static void 3408tulip_rx_intr( 3409 tulip_softc_t * const sc) 3410{ 3411 TULIP_PERFSTART(rxintr) 3412 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3413 struct ifnet * const ifp = &sc->tulip_if; 3414 int fillok = 1; 3415#if defined(TULIP_DEBUG) 3416 int cnt = 0; 3417#endif 3418 3419 for (;;) { 3420 TULIP_PERFSTART(rxget) 3421 struct ether_header eh; 3422 tulip_desc_t *eop = ri->ri_nextin; 3423 int total_len = 0, last_offset = 0; 3424 struct mbuf *ms = NULL, *me = NULL; 3425 int accept = 0; 3426#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3427 bus_dmamap_t map; 3428 int error; 3429#endif 3430 3431 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3432 goto queue_mbuf; 3433 3434#if defined(TULIP_DEBUG) 3435 if (cnt == ri->ri_max) 3436 break; 3437#endif 3438 /* 3439 * If the TULIP has no descriptors, there can't be any receive 3440 * descriptors to process. 3441 */ 3442 if (eop == ri->ri_nextout) 3443 break; 3444 3445 /* 3446 * 90% of the packets will fit in one descriptor. So we optimize 3447 * for that case. 3448 */ 3449 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3450 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3451 IF_DEQUEUE(&sc->tulip_rxq, ms); 3452 me = ms; 3453 } else { 3454 /* 3455 * If still owned by the TULIP, don't touch it. 3456 */ 3457 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3458 break; 3459 3460 /* 3461 * It is possible (though improbable unless the BIG_PACKET support 3462 * is enabled or MCLBYTES < 1518) for a received packet to cross 3463 * more than one receive descriptor. 3464 */ 3465 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3466 if (++eop == ri->ri_last) 3467 eop = ri->ri_first; 3468 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3469 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3470#if defined(TULIP_DEBUG) 3471 sc->tulip_dbg.dbg_rxintrs++; 3472 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3473#endif 3474 TULIP_PERFEND(rxget); 3475 TULIP_PERFEND(rxintr); 3476 return; 3477 } 3478 total_len++; 3479 } 3480 3481 /* 3482 * Dequeue the first buffer for the start of the packet. Hopefully 3483 * this will be the only one we need to dequeue. However, if the 3484 * packet consumed multiple descriptors, then we need to dequeue 3485 * those buffers and chain to the starting mbuf. All buffers but 3486 * the last buffer have the same length so we can set that now. 3487 * (we add to last_offset instead of multiplying since we normally 3488 * won't go into the loop and thereby saving a ourselves from 3489 * doing a multiplication by 0 in the normal case). 3490 */ 3491 IF_DEQUEUE(&sc->tulip_rxq, ms); 3492 for (me = ms; total_len > 0; total_len--) { 3493#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3494 map = M_GETCTX(me, bus_dmamap_t); 3495 TULIP_RXMAP_POSTSYNC(sc, map); 3496 bus_dmamap_unload(sc->tulip_dmatag, map); 3497 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3498#if defined(DIAGNOSTIC) 3499 M_SETCTX(me, NULL); 3500#endif 3501#endif /* TULIP_BUS_DMA */ 3502 me->m_len = TULIP_RX_BUFLEN; 3503 last_offset += TULIP_RX_BUFLEN; 3504 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3505 me = me->m_next; 3506 } 3507 } 3508 3509 /* 3510 * Now get the size of received packet (minus the CRC). 3511 */ 3512 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3513 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3514 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3515#ifdef BIG_PACKET 3516 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3517 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3518 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3519 TULIP_DSTS_RxOVERFLOW)) == 0) 3520#endif 3521 )) { 3522 me->m_len = total_len - last_offset; 3523 3524#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3525 map = M_GETCTX(me, bus_dmamap_t); 3526 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3527 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3528 bus_dmamap_unload(sc->tulip_dmatag, map); 3529 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3530#if defined(DIAGNOSTIC) 3531 M_SETCTX(me, NULL); 3532#endif 3533#endif /* TULIP_BUS_DMA */ 3534 3535 eh = *mtod(ms, struct ether_header *); 3536#if NBPFILTER > 0 3537 if (sc->tulip_bpf != NULL) { 3538 if (me == ms) 3539 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3540 else 3541 TULIP_BPF_MTAP(sc, ms); 3542 } 3543#endif 3544 sc->tulip_flags |= TULIP_RXACT; 3545 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3546 && (eh.ether_dhost[0] & 1) == 0 3547 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3548 goto next; 3549 accept = 1; 3550 total_len -= sizeof(struct ether_header); 3551 } else { 3552 ifp->if_ierrors++; 3553 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3554 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3555 } else { 3556#if defined(TULIP_VERBOSE) 3557 const char *error = NULL; 3558#endif 3559 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3560 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3561#if defined(TULIP_VERBOSE) 3562 error = "frame too long"; 3563#endif 3564 } 3565 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3566 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3567 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3568#if defined(TULIP_VERBOSE) 3569 error = "alignment error"; 3570#endif 3571 } else { 3572 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3573#if defined(TULIP_VERBOSE) 3574 error = "bad crc"; 3575#endif 3576 } 3577 } 3578#if defined(TULIP_VERBOSE) 3579 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3580 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3581 TULIP_PRINTF_ARGS, 3582 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3583 error); 3584 sc->tulip_flags |= TULIP_NOMESSAGES; 3585 } 3586#endif 3587 } 3588 3589#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3590 map = M_GETCTX(me, bus_dmamap_t); 3591 bus_dmamap_unload(sc->tulip_dmatag, map); 3592 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3593#if defined(DIAGNOSTIC) 3594 M_SETCTX(me, NULL); 3595#endif 3596#endif /* TULIP_BUS_DMA */ 3597 } 3598 next: 3599#if defined(TULIP_DEBUG) 3600 cnt++; 3601#endif 3602 ifp->if_ipackets++; 3603 if (++eop == ri->ri_last) 3604 eop = ri->ri_first; 3605 ri->ri_nextin = eop; 3606 queue_mbuf: 3607 /* 3608 * Either we are priming the TULIP with mbufs (m == NULL) 3609 * or we are about to accept an mbuf for the upper layers 3610 * so we need to allocate an mbuf to replace it. If we 3611 * can't replace it, send up it anyways. This may cause 3612 * us to drop packets in the future but that's better than 3613 * being caught in livelock. 3614 * 3615 * Note that if this packet crossed multiple descriptors 3616 * we don't even try to reallocate all the mbufs here. 3617 * Instead we rely on the test of the beginning of 3618 * the loop to refill for the extra consumed mbufs. 3619 */ 3620 if (accept || ms == NULL) { 3621 struct mbuf *m0; 3622 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3623 if (m0 != NULL) { 3624#if defined(TULIP_COPY_RXDATA) 3625 if (!accept || total_len >= MHLEN) { 3626#endif 3627 MCLGET(m0, M_DONTWAIT); 3628 if ((m0->m_flags & M_EXT) == 0) { 3629 m_freem(m0); 3630 m0 = NULL; 3631 } 3632#if defined(TULIP_COPY_RXDATA) 3633 } 3634#endif 3635 } 3636 if (accept 3637#if defined(TULIP_COPY_RXDATA) 3638 && m0 != NULL 3639#endif 3640 ) { 3641#if defined(__bsdi__) 3642 eh.ether_type = ntohs(eh.ether_type); 3643#endif 3644#if !defined(TULIP_COPY_RXDATA) 3645 ms->m_data += sizeof(struct ether_header); 3646 ms->m_len -= sizeof(struct ether_header); 3647 ms->m_pkthdr.len = total_len; 3648 ms->m_pkthdr.rcvif = ifp; 3649 ether_input(ifp, &eh, ms); 3650#else 3651#ifdef BIG_PACKET 3652#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3653#endif 3654 if (ms == me) 3655 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3656 mtod(m0, caddr_t), total_len); 3657 else 3658 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3659 m0->m_len = m0->m_pkthdr.len = total_len; 3660 m0->m_pkthdr.rcvif = ifp; 3661 ether_input(ifp, &eh, m0); 3662 m0 = ms; 3663#endif 3664 } 3665 ms = m0; 3666 } 3667 if (ms == NULL) { 3668 /* 3669 * Couldn't allocate a new buffer. Don't bother 3670 * trying to replenish the receive queue. 3671 */ 3672 fillok = 0; 3673 sc->tulip_flags |= TULIP_RXBUFSLOW; 3674#if defined(TULIP_DEBUG) 3675 sc->tulip_dbg.dbg_rxlowbufs++; 3676#endif 3677 TULIP_PERFEND(rxget); 3678 continue; 3679 } 3680 /* 3681 * Now give the buffer(s) to the TULIP and save in our 3682 * receive queue. 3683 */ 3684 do { 3685 tulip_desc_t * const nextout = ri->ri_nextout; 3686#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3687 if (sc->tulip_rxmaps_free > 0) { 3688 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3689 } else { 3690 m_freem(ms); 3691 sc->tulip_flags |= TULIP_RXBUFSLOW; 3692#if defined(TULIP_DEBUG) 3693 sc->tulip_dbg.dbg_rxlowbufs++; 3694#endif 3695 break; 3696 } 3697 M_SETCTX(ms, map); 3698 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3699 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3700 if (error) { 3701 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3702 "error = %d\n", TULIP_PRINTF_ARGS, error); 3703 panic("tulip_rx_intr"); /* XXX */ 3704 } 3705 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3706 nextout->d_length1 = map->dm_segs[0].ds_len; 3707 if (map->dm_nsegs == 2) { 3708 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3709 nextout->d_length2 = map->dm_segs[1].ds_len; 3710 } else { 3711 nextout->d_addr2 = 0; 3712 nextout->d_length2 = 0; 3713 } 3714 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3715#else /* TULIP_BUS_DMA */ 3716 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3717 nextout->d_length1 = TULIP_RX_BUFLEN; 3718#endif /* TULIP_BUS_DMA */ 3719 nextout->d_status = TULIP_DSTS_OWNER; 3720 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3721 if (++ri->ri_nextout == ri->ri_last) 3722 ri->ri_nextout = ri->ri_first; 3723 me = ms->m_next; 3724 ms->m_next = NULL; 3725 IF_ENQUEUE(&sc->tulip_rxq, ms); 3726 } while ((ms = me) != NULL); 3727 3728 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3729 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3730 TULIP_PERFEND(rxget); 3731 } 3732 3733#if defined(TULIP_DEBUG) 3734 sc->tulip_dbg.dbg_rxintrs++; 3735 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3736#endif 3737 TULIP_PERFEND(rxintr); 3738} 3739 3740static int 3741tulip_tx_intr( 3742 tulip_softc_t * const sc) 3743{ 3744 TULIP_PERFSTART(txintr) 3745 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3746 struct mbuf *m; 3747 int xmits = 0; 3748 int descs = 0; 3749 3750 while (ri->ri_free < ri->ri_max) { 3751 u_int32_t d_flag; 3752 3753 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3754 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3755 break; 3756 3757 ri->ri_free++; 3758 descs++; 3759 d_flag = ri->ri_nextin->d_flag; 3760 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3761 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3762 /* 3763 * We've just finished processing a setup packet. 3764 * Mark that we finished it. If there's not 3765 * another pending, startup the TULIP receiver. 3766 * Make sure we ack the RXSTOPPED so we won't get 3767 * an abormal interrupt indication. 3768 */ 3769 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3770 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3771 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3772 sc->tulip_flags |= TULIP_HASHONLY; 3773 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3774 tulip_rx_intr(sc); 3775 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3776 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3777 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3778 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3779 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3780 } 3781 } else { 3782 const u_int32_t d_status = ri->ri_nextin->d_status; 3783 IF_DEQUEUE(&sc->tulip_txq, m); 3784 if (m != NULL) { 3785#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3786 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3787 TULIP_TXMAP_POSTSYNC(sc, map); 3788 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3789#endif /* TULIP_BUS_DMA */ 3790#if NBPFILTER > 0 3791 if (sc->tulip_bpf != NULL) 3792 TULIP_BPF_MTAP(sc, m); 3793#endif 3794 m_freem(m); 3795#if defined(TULIP_DEBUG) 3796 } else { 3797 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3798#endif 3799 } 3800 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3801 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3802 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3803#if defined(TULIP_DEBUG) 3804 if (d_status & TULIP_DSTS_TxNOCARR) 3805 sc->tulip_dbg.dbg_txprobe_nocarr++; 3806 if (d_status & TULIP_DSTS_TxEXCCOLL) 3807 sc->tulip_dbg.dbg_txprobe_exccoll++; 3808#endif 3809 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3810 } 3811 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3812 /* 3813 * Escape from the loop before media poll has reset the TULIP! 3814 */ 3815 break; 3816 } else { 3817 xmits++; 3818 if (d_status & TULIP_DSTS_ERRSUM) { 3819 sc->tulip_if.if_oerrors++; 3820 if (d_status & TULIP_DSTS_TxEXCCOLL) 3821 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3822 if (d_status & TULIP_DSTS_TxLATECOLL) 3823 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3824 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3825 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3826 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3827 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3828 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3829 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3830 if (d_status & TULIP_DSTS_TxBABBLE) 3831 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3832 } else { 3833 u_int32_t collisions = 3834 (d_status & TULIP_DSTS_TxCOLLMASK) 3835 >> TULIP_DSTS_V_TxCOLLCNT; 3836 sc->tulip_if.if_collisions += collisions; 3837 if (collisions == 1) 3838 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3839 else if (collisions > 1) 3840 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3841 else if (d_status & TULIP_DSTS_TxDEFERRED) 3842 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3843 /* 3844 * SQE is only valid for 10baseT/BNC/AUI when not 3845 * running in full-duplex. In order to speed up the 3846 * test, the corresponding bit in tulip_flags needs to 3847 * set as well to get us to count SQE Test Errors. 3848 */ 3849 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3850 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3851 } 3852 } 3853 } 3854 } 3855 3856 if (++ri->ri_nextin == ri->ri_last) 3857 ri->ri_nextin = ri->ri_first; 3858 3859 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3860 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3861 } 3862 /* 3863 * If nothing left to transmit, disable the timer. 3864 * Else if progress, reset the timer back to 2 ticks. 3865 */ 3866 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3867 sc->tulip_txtimer = 0; 3868 else if (xmits > 0) 3869 sc->tulip_txtimer = TULIP_TXTIMER; 3870 sc->tulip_if.if_opackets += xmits; 3871 TULIP_PERFEND(txintr); 3872 return descs; 3873} 3874 3875static void 3876tulip_print_abnormal_interrupt( 3877 tulip_softc_t * const sc, 3878 u_int32_t csr) 3879{ 3880 const char * const *msgp = tulip_status_bits; 3881 const char *sep; 3882 u_int32_t mask; 3883 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3884 3885 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3886 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3887 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3888 if ((csr & mask) && *msgp != NULL) { 3889 printf("%s%s", sep, *msgp); 3890 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3891 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3892 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3893 printf(" (switching to store-and-forward mode)"); 3894 } else { 3895 printf(" (raising TX threshold to %s)", 3896 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3897 } 3898 } 3899 sep = ", "; 3900 } 3901 } 3902 printf("\n"); 3903} 3904 3905static void 3906tulip_intr_handler( 3907 tulip_softc_t * const sc, 3908 int *progress_p) 3909{ 3910 TULIP_PERFSTART(intr) 3911 u_int32_t csr; 3912#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3913 int only_once; 3914 3915 only_once = 1; 3916#endif 3917 3918 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3919#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3920 if (only_once == 1) { 3921#if NRND > 0 3922 rnd_add_uint32(&sc->tulip_rndsource, csr); 3923#endif 3924 only_once = 0; 3925 } 3926#endif 3927 3928 *progress_p = 1; 3929 TULIP_CSR_WRITE(sc, csr_status, csr); 3930 3931 if (csr & TULIP_STS_SYSERROR) { 3932 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3933 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3934 sc->tulip_flags |= TULIP_SYSTEMERROR; 3935 } else { 3936 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3937 TULIP_PRINTF_ARGS, 3938 tulip_system_errors[sc->tulip_last_system_error]); 3939 } 3940 sc->tulip_flags |= TULIP_NEEDRESET; 3941 sc->tulip_system_errors++; 3942 break; 3943 } 3944 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3945#if defined(TULIP_DEBUG) 3946 sc->tulip_dbg.dbg_link_intrs++; 3947#endif 3948 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3949 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3950 ? TULIP_MEDIAPOLL_LINKFAIL 3951 : TULIP_MEDIAPOLL_LINKPASS); 3952 csr &= ~TULIP_STS_ABNRMLINTR; 3953 } 3954 tulip_media_print(sc); 3955 } 3956 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3957 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3958 if (csr & TULIP_STS_RXNOBUF) 3959 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3960 /* 3961 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3962 * on receive overflows. 3963 */ 3964 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3965 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3966 /* 3967 * Stop the receiver process and spin until it's stopped. 3968 * Tell rx_intr to drop the packets it dequeues. 3969 */ 3970 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3971 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3972 ; 3973 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3974 sc->tulip_flags |= TULIP_RXIGNORE; 3975 } 3976 tulip_rx_intr(sc); 3977 if (sc->tulip_flags & TULIP_RXIGNORE) { 3978 /* 3979 * Restart the receiver. 3980 */ 3981 sc->tulip_flags &= ~TULIP_RXIGNORE; 3982 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3983 } 3984 } 3985 if (csr & TULIP_STS_ABNRMLINTR) { 3986 u_int32_t tmp = csr & sc->tulip_intrmask 3987 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3988 if (csr & TULIP_STS_TXUNDERFLOW) { 3989 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3990 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3991 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3992 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3993 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3994 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3995 } 3996 } 3997 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3998 sc->tulip_statusbits |= tmp; 3999 } else { 4000 tulip_print_abnormal_interrupt(sc, tmp); 4001 sc->tulip_flags |= TULIP_NOMESSAGES; 4002 } 4003 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4004 } 4005 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 4006 tulip_tx_intr(sc); 4007 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 4008 tulip_ifstart(&sc->tulip_if); 4009 } 4010 } 4011 if (sc->tulip_flags & TULIP_NEEDRESET) { 4012 tulip_reset(sc); 4013 tulip_init(sc); 4014 } 4015 TULIP_PERFEND(intr); 4016} 4017 4018#if defined(TULIP_USE_SOFTINTR) 4019/* 4020 * This is a experimental idea to alleviate problems due to interrupt 4021 * livelock. What is interrupt livelock? It's when you spend all your 4022 * time servicing device interrupts and never drop below device ipl 4023 * to do "useful" work. 4024 * 4025 * So what we do here is see if the device needs service and if so, 4026 * disable interrupts (dismiss the interrupt), place it in a list of devices 4027 * needing service, and issue a network software interrupt. 4028 * 4029 * When our network software interrupt routine gets called, we simply 4030 * walk done the list of devices that we have created and deal with them 4031 * at splnet/splsoftnet. 4032 * 4033 */ 4034static void 4035tulip_hardintr_handler( 4036 tulip_softc_t * const sc, 4037 int *progress_p) 4038{ 4039 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 4040 return; 4041 *progress_p = 1; 4042 /* 4043 * disable interrupts 4044 */ 4045 TULIP_CSR_WRITE(sc, csr_intr, 0); 4046 /* 4047 * mark it as needing a software interrupt 4048 */ 4049 tulip_softintr_mask |= (1U << sc->tulip_unit); 4050 4051#if defined(__NetBSD__) && NRND > 0 4052 /* 4053 * This isn't all that random (the value we feed in) but it is 4054 * better than a constant probably. It isn't used in entropy 4055 * calculation anyway, just to add something to the pool. 4056 */ 4057 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 4058#endif 4059} 4060 4061static void 4062tulip_softintr( 4063 void) 4064{ 4065 u_int32_t softintr_mask, mask; 4066 int progress = 0; 4067 int unit; 4068 tulip_spl_t s; 4069 4070 /* 4071 * Copy mask to local copy and reset global one to 0. 4072 */ 4073 s = TULIP_RAISESPL(); 4074 softintr_mask = tulip_softintr_mask; 4075 tulip_softintr_mask = 0; 4076 TULIP_RESTORESPL(s); 4077 4078 /* 4079 * Optimize for the single unit case. 4080 */ 4081 if (tulip_softintr_max_unit == 0) { 4082 if (softintr_mask & 1) { 4083 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 4084 /* 4085 * Handle the "interrupt" and then reenable interrupts 4086 */ 4087 softintr_mask = 0; 4088 tulip_intr_handler(sc, &progress); 4089 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4090 } 4091 return; 4092 } 4093 4094 /* 4095 * Handle all "queued" interrupts in a round robin fashion. 4096 * This is done so as not to favor a particular interface. 4097 */ 4098 unit = tulip_softintr_last_unit; 4099 mask = (1U << unit); 4100 while (softintr_mask != 0) { 4101 if (tulip_softintr_max_unit == unit) { 4102 unit = 0; mask = 1; 4103 } else { 4104 unit += 1; mask <<= 1; 4105 } 4106 if (softintr_mask & mask) { 4107 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 4108 /* 4109 * Handle the "interrupt" and then reenable interrupts 4110 */ 4111 softintr_mask ^= mask; 4112 tulip_intr_handler(sc, &progress); 4113 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4114 } 4115 } 4116 4117 /* 4118 * Save where we ending up. 4119 */ 4120 tulip_softintr_last_unit = unit; 4121} 4122#endif /* TULIP_USE_SOFTINTR */ 4123 4124static tulip_intrfunc_t 4125tulip_intr_shared( 4126 void *arg) 4127{ 4128 tulip_softc_t * sc = arg; 4129 int progress = 0; 4130 4131 for (; sc != NULL; sc = sc->tulip_slaves) { 4132#if defined(TULIP_DEBUG) 4133 sc->tulip_dbg.dbg_intrs++; 4134#endif 4135#if defined(TULIP_USE_SOFTINTR) 4136 tulip_hardintr_handler(sc, &progress); 4137#else 4138 tulip_intr_handler(sc, &progress); 4139#endif 4140 } 4141#if defined(TULIP_USE_SOFTINTR) 4142 if (progress) 4143 schednetisr(NETISR_DE); 4144#endif 4145#if !defined(TULIP_VOID_INTRFUNC) 4146 return progress; 4147#endif 4148} 4149 4150static tulip_intrfunc_t 4151tulip_intr_normal( 4152 void *arg) 4153{ 4154 tulip_softc_t * sc = (tulip_softc_t *) arg; 4155 int progress = 0; 4156 4157#if defined(TULIP_DEBUG) 4158 sc->tulip_dbg.dbg_intrs++; 4159#endif 4160#if defined(TULIP_USE_SOFTINTR) 4161 tulip_hardintr_handler(sc, &progress); 4162 if (progress) 4163 schednetisr(NETISR_DE); 4164#else 4165 tulip_intr_handler(sc, &progress); 4166#endif 4167#if !defined(TULIP_VOID_INTRFUNC) 4168 return progress; 4169#endif 4170} 4171 4172static struct mbuf * 4173tulip_mbuf_compress( 4174 struct mbuf *m) 4175{ 4176 struct mbuf *m0; 4177#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4178 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4179 if (m0 != NULL) { 4180 if (m->m_pkthdr.len > MHLEN) { 4181 MCLGET(m0, M_DONTWAIT); 4182 if ((m0->m_flags & M_EXT) == 0) { 4183 m_freem(m); 4184 m_freem(m0); 4185 return NULL; 4186 } 4187 } 4188 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4189 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4190 } 4191#else 4192 int mlen = MHLEN; 4193 int len = m->m_pkthdr.len; 4194 struct mbuf **mp = &m0; 4195 4196 while (len > 0) { 4197 if (mlen == MHLEN) { 4198 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4199 } else { 4200 MGET(*mp, M_DONTWAIT, MT_DATA); 4201 } 4202 if (*mp == NULL) { 4203 m_freem(m0); 4204 m0 = NULL; 4205 break; 4206 } 4207 if (len > MLEN) { 4208 MCLGET(*mp, M_DONTWAIT); 4209 if (((*mp)->m_flags & M_EXT) == 0) { 4210 m_freem(m0); 4211 m0 = NULL; 4212 break; 4213 } 4214 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4215 } else { 4216 (*mp)->m_len = len <= mlen ? len : mlen; 4217 } 4218 m_copydata(m, m->m_pkthdr.len - len, 4219 (*mp)->m_len, mtod((*mp), caddr_t)); 4220 len -= (*mp)->m_len; 4221 mp = &(*mp)->m_next; 4222 mlen = MLEN; 4223 } 4224#endif 4225 m_freem(m); 4226 return m0; 4227} 4228 4229static struct mbuf * 4230tulip_txput( 4231 tulip_softc_t * const sc, 4232 struct mbuf *m) 4233{ 4234 TULIP_PERFSTART(txput) 4235 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4236 tulip_desc_t *eop, *nextout; 4237 int segcnt, free; 4238 u_int32_t d_status; 4239#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4240 bus_dmamap_t map; 4241 int error; 4242#else 4243 struct mbuf *m0; 4244#endif 4245 4246#if defined(TULIP_DEBUG) 4247 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4248 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4249 TULIP_PRINTF_ARGS, 4250 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4251 sc->tulip_flags |= TULIP_WANTTXSTART; 4252 sc->tulip_dbg.dbg_txput_finishes[0]++; 4253 goto finish; 4254 } 4255#endif 4256 4257 /* 4258 * Now we try to fill in our transmit descriptors. This is 4259 * a bit reminiscent of going on the Ark two by two 4260 * since each descriptor for the TULIP can describe 4261 * two buffers. So we advance through packet filling 4262 * each of the two entries at a time to to fill each 4263 * descriptor. Clear the first and last segment bits 4264 * in each descriptor (actually just clear everything 4265 * but the end-of-ring or chain bits) to make sure 4266 * we don't get messed up by previously sent packets. 4267 * 4268 * We may fail to put the entire packet on the ring if 4269 * there is either not enough ring entries free or if the 4270 * packet has more than MAX_TXSEG segments. In the former 4271 * case we will just wait for the ring to empty. In the 4272 * latter case we have to recopy. 4273 */ 4274#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4275 again: 4276 m0 = m; 4277#endif 4278 d_status = 0; 4279 eop = nextout = ri->ri_nextout; 4280 segcnt = 0; 4281 free = ri->ri_free; 4282 4283#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4284 /* 4285 * Reclaim some dma maps from if we are out. 4286 */ 4287 if (sc->tulip_txmaps_free == 0) { 4288#if defined(TULIP_DEBUG) 4289 sc->tulip_dbg.dbg_no_txmaps++; 4290#endif 4291 free += tulip_tx_intr(sc); 4292 } 4293 if (sc->tulip_txmaps_free > 0) { 4294 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4295 } else { 4296 sc->tulip_flags |= TULIP_WANTTXSTART; 4297#if defined(TULIP_DEBUG) 4298 sc->tulip_dbg.dbg_txput_finishes[1]++; 4299#endif 4300 goto finish; 4301 } 4302 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4303 if (error != 0) { 4304 if (error == EFBIG) { 4305 /* 4306 * The packet exceeds the number of transmit buffer 4307 * entries that we can use for one packet, so we have 4308 * to recopy it into one mbuf and then try again. 4309 */ 4310 m = tulip_mbuf_compress(m); 4311 if (m == NULL) { 4312#if defined(TULIP_DEBUG) 4313 sc->tulip_dbg.dbg_txput_finishes[2]++; 4314#endif 4315 goto finish; 4316 } 4317 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4318 } 4319 if (error != 0) { 4320 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 4321 "error = %d\n", TULIP_PRINTF_ARGS, error); 4322#if defined(TULIP_DEBUG) 4323 sc->tulip_dbg.dbg_txput_finishes[3]++; 4324#endif 4325 goto finish; 4326 } 4327 } 4328 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4329 /* 4330 * See if there's any unclaimed space in the transmit ring. 4331 */ 4332 && (free += tulip_tx_intr(sc)) <= 0) { 4333 /* 4334 * There's no more room but since nothing 4335 * has been committed at this point, just 4336 * show output is active, put back the 4337 * mbuf and return. 4338 */ 4339 sc->tulip_flags |= TULIP_WANTTXSTART; 4340#if defined(TULIP_DEBUG) 4341 sc->tulip_dbg.dbg_txput_finishes[4]++; 4342#endif 4343 bus_dmamap_unload(sc->tulip_dmatag, map); 4344 goto finish; 4345 } 4346 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4347 eop = nextout; 4348 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4349 eop->d_status = d_status; 4350 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4351 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4352 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4353 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4354 d_status = TULIP_DSTS_OWNER; 4355 if (++nextout == ri->ri_last) 4356 nextout = ri->ri_first; 4357 } 4358 if (segcnt < map->dm_nsegs) { 4359 eop = nextout; 4360 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4361 eop->d_status = d_status; 4362 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4363 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4364 eop->d_addr2 = 0; 4365 eop->d_length2 = 0; 4366 if (++nextout == ri->ri_last) 4367 nextout = ri->ri_first; 4368 } 4369 TULIP_TXMAP_PRESYNC(sc, map); 4370 M_SETCTX(m, map); 4371 map = NULL; 4372 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4373 4374#else /* !TULIP_BUS_DMA */ 4375 4376 do { 4377 int len = m0->m_len; 4378 caddr_t addr = mtod(m0, caddr_t); 4379 unsigned clsize = CLBYTES - (((uintptr_t) addr) & (CLBYTES-1)); 4380 4381 while (len > 0) { 4382 unsigned slen = min(len, clsize); 4383#ifdef BIG_PACKET 4384 int partial = 0; 4385 if (slen >= 2048) 4386 slen = 2040, partial = 1; 4387#endif 4388 segcnt++; 4389 if (segcnt > TULIP_MAX_TXSEG) { 4390 /* 4391 * The packet exceeds the number of transmit buffer 4392 * entries that we can use for one packet, so we have 4393 * recopy it into one mbuf and then try again. 4394 */ 4395 m = tulip_mbuf_compress(m); 4396 if (m == NULL) 4397 goto finish; 4398 goto again; 4399 } 4400 if (segcnt & 1) { 4401 if (--free == 0) { 4402 /* 4403 * See if there's any unclaimed space in the 4404 * transmit ring. 4405 */ 4406 if ((free += tulip_tx_intr(sc)) == 0) { 4407 /* 4408 * There's no more room but since nothing 4409 * has been committed at this point, just 4410 * show output is active, put back the 4411 * mbuf and return. 4412 */ 4413 sc->tulip_flags |= TULIP_WANTTXSTART; 4414#if defined(TULIP_DEBUG) 4415 sc->tulip_dbg.dbg_txput_finishes[1]++; 4416#endif 4417 goto finish; 4418 } 4419 } 4420 eop = nextout; 4421 if (++nextout == ri->ri_last) 4422 nextout = ri->ri_first; 4423 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4424 eop->d_status = d_status; 4425 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4426 eop->d_length1 = slen; 4427 } else { 4428 /* 4429 * Fill in second half of descriptor 4430 */ 4431 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4432 eop->d_length2 = slen; 4433 } 4434 d_status = TULIP_DSTS_OWNER; 4435 len -= slen; 4436 addr += slen; 4437#ifdef BIG_PACKET 4438 if (partial) 4439 continue; 4440#endif 4441 clsize = CLBYTES; 4442 } 4443 } while ((m0 = m0->m_next) != NULL); 4444#endif /* TULIP_BUS_DMA */ 4445 4446 /* 4447 * The descriptors have been filled in. Now get ready 4448 * to transmit. 4449 */ 4450 IF_ENQUEUE(&sc->tulip_txq, m); 4451 m = NULL; 4452 4453 /* 4454 * Make sure the next descriptor after this packet is owned 4455 * by us since it may have been set up above if we ran out 4456 * of room in the ring. 4457 */ 4458 nextout->d_status = 0; 4459 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4460 4461#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4462 /* 4463 * If we only used the first segment of the last descriptor, 4464 * make sure the second segment will not be used. 4465 */ 4466 if (segcnt & 1) { 4467 eop->d_addr2 = 0; 4468 eop->d_length2 = 0; 4469 } 4470#endif /* TULIP_BUS_DMA */ 4471 4472 /* 4473 * Mark the last and first segments, indicate we want a transmit 4474 * complete interrupt, and tell it to transmit! 4475 */ 4476 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4477 4478 /* 4479 * Note that ri->ri_nextout is still the start of the packet 4480 * and until we set the OWNER bit, we can still back out of 4481 * everything we have done. 4482 */ 4483 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4484#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4485 if (eop < ri->ri_nextout) { 4486 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4487 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4488 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4489 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4490 } else { 4491 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4492 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4493 } 4494#endif 4495 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4496 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4497 4498 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4499 4500 /* 4501 * This advances the ring for us. 4502 */ 4503 ri->ri_nextout = nextout; 4504 ri->ri_free = free; 4505 4506 TULIP_PERFEND(txput); 4507 4508 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4509 sc->tulip_if.if_flags |= IFF_OACTIVE; 4510 sc->tulip_if.if_start = tulip_ifstart; 4511 TULIP_PERFEND(txput); 4512 return NULL; 4513 } 4514 4515 /* 4516 * switch back to the single queueing ifstart. 4517 */ 4518 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4519 if (sc->tulip_txtimer == 0) 4520 sc->tulip_txtimer = TULIP_TXTIMER; 4521#if defined(TULIP_DEBUG) 4522 sc->tulip_dbg.dbg_txput_finishes[5]++; 4523#endif 4524 4525 /* 4526 * If we want a txstart, there must be not enough space in the 4527 * transmit ring. So we want to enable transmit done interrupts 4528 * so we can immediately reclaim some space. When the transmit 4529 * interrupt is posted, the interrupt handler will call tx_intr 4530 * to reclaim space and then txstart (since WANTTXSTART is set). 4531 * txstart will move the packet into the transmit ring and clear 4532 * WANTTXSTART thereby causing TXINTR to be cleared. 4533 */ 4534 finish: 4535#if defined(TULIP_DEBUG) 4536 sc->tulip_dbg.dbg_txput_finishes[6]++; 4537#endif 4538 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4539 sc->tulip_if.if_flags |= IFF_OACTIVE; 4540 sc->tulip_if.if_start = tulip_ifstart; 4541 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4542 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4543 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4544 } 4545 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4546 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4547 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4548 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4549 } 4550 } 4551 TULIP_PERFEND(txput); 4552 return m; 4553} 4554 4555static void 4556tulip_txput_setup( 4557 tulip_softc_t * const sc) 4558{ 4559 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4560 tulip_desc_t *nextout; 4561 4562 /* 4563 * We will transmit, at most, one setup packet per call to ifstart. 4564 */ 4565 4566#if defined(TULIP_DEBUG) 4567 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4568 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4569 TULIP_PRINTF_ARGS); 4570 sc->tulip_flags |= TULIP_WANTTXSTART; 4571 sc->tulip_if.if_start = tulip_ifstart; 4572 return; 4573 } 4574#endif 4575 /* 4576 * Try to reclaim some free descriptors.. 4577 */ 4578 if (ri->ri_free < 2) 4579 tulip_tx_intr(sc); 4580 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4581 sc->tulip_flags |= TULIP_WANTTXSTART; 4582 sc->tulip_if.if_start = tulip_ifstart; 4583 return; 4584 } 4585 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4586 sizeof(sc->tulip_setupbuf)); 4587 /* 4588 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4589 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4590 */ 4591 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4592 ri->ri_free--; 4593 nextout = ri->ri_nextout; 4594 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4595 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4596 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4597 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4598 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4599 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4600 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4601 4602 nextout->d_length2 = 0; 4603 nextout->d_addr2 = 0; 4604#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4605 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4606 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4607 if (sc->tulip_setupmap->dm_nsegs == 2) { 4608 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4609 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4610 } 4611 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4612 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4613#else 4614 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4615 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4616#endif 4617 4618 /* 4619 * Advance the ring for the next transmit packet. 4620 */ 4621 if (++ri->ri_nextout == ri->ri_last) 4622 ri->ri_nextout = ri->ri_first; 4623 4624 /* 4625 * Make sure the next descriptor is owned by us since it 4626 * may have been set up above if we ran out of room in the 4627 * ring. 4628 */ 4629 ri->ri_nextout->d_status = 0; 4630 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4631 nextout->d_status = TULIP_DSTS_OWNER; 4632 /* 4633 * Flush the ownwership of the current descriptor 4634 */ 4635 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4636 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4637 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4638 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4639 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4640 } 4641} 4642 4643 4644/* 4645 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4646 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4647 * defined or not. 4648 */ 4649static int 4650tulip_ifioctl( 4651 struct ifnet * ifp, 4652 ioctl_cmd_t cmd, 4653 caddr_t data) 4654{ 4655 TULIP_PERFSTART(ifioctl) 4656 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4657 struct ifaddr *ifa = (struct ifaddr *)data; 4658 struct ifreq *ifr = (struct ifreq *) data; 4659 tulip_spl_t s; 4660 int error = 0; 4661 4662#if defined(TULIP_USE_SOFTINTR) 4663 s = TULIP_RAISESOFTSPL(); 4664#else 4665 s = TULIP_RAISESPL(); 4666#endif 4667 switch (cmd) { 4668 case SIOCSIFADDR: { 4669 ifp->if_flags |= IFF_UP; 4670 switch(ifa->ifa_addr->sa_family) { 4671#ifdef INET 4672 case AF_INET: { 4673 tulip_init(sc); 4674 TULIP_ARP_IFINIT(sc, ifa); 4675 break; 4676 } 4677#endif /* INET */ 4678 4679#ifdef IPX 4680 case AF_IPX: { 4681 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4682 if (ipx_nullhost(*ina)) { 4683 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4684 } else { 4685 ifp->if_flags &= ~IFF_RUNNING; 4686 bcopy((caddr_t)ina->x_host.c_host, 4687 (caddr_t)sc->tulip_enaddr, 4688 sizeof(sc->tulip_enaddr)); 4689 } 4690 tulip_init(sc); 4691 break; 4692 } 4693#endif /* IPX */ 4694 4695#ifdef NS 4696 /* 4697 * This magic copied from if_is.c; I don't use XNS, 4698 * so I have no way of telling if this actually 4699 * works or not. 4700 */ 4701 case AF_NS: { 4702 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4703 if (ns_nullhost(*ina)) { 4704 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4705 } else { 4706 ifp->if_flags &= ~IFF_RUNNING; 4707 bcopy((caddr_t)ina->x_host.c_host, 4708 (caddr_t)sc->tulip_enaddr, 4709 sizeof(sc->tulip_enaddr)); 4710 } 4711 tulip_init(sc); 4712 break; 4713 } 4714#endif /* NS */ 4715 4716 default: { 4717 tulip_init(sc); 4718 break; 4719 } 4720 } 4721 break; 4722 } 4723 case SIOCGIFADDR: { 4724 bcopy((caddr_t) sc->tulip_enaddr, 4725 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4726 6); 4727 break; 4728 } 4729 4730 case SIOCSIFFLAGS: { 4731#if !defined(IFM_ETHER) 4732 int flags = 0; 4733 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4734 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4735 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4736 if (flags == 7) { 4737 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4738 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4739 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4740 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4741 tulip_reset(sc); 4742 } else if (flags) { 4743 tulip_media_t media; 4744 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4745 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4746 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4747 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4748 sc->tulip_flags &= ~TULIP_DIDNWAY; 4749 tulip_linkup(sc, media); 4750 } 4751 break; 4752 } 4753 } 4754 if (flags) 4755 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4756 } 4757#endif 4758 tulip_init(sc); 4759 break; 4760 } 4761 4762#if defined(SIOCSIFMEDIA) 4763 case SIOCSIFMEDIA: 4764 case SIOCGIFMEDIA: { 4765 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4766 break; 4767 } 4768#endif 4769 4770 case SIOCADDMULTI: 4771 case SIOCDELMULTI: { 4772 /* 4773 * Update multicast listeners 4774 */ 4775#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 4776 tulip_addr_filter(sc); /* reset multicast filtering */ 4777 tulip_init(sc); 4778 error = 0; 4779#else 4780 if (cmd == SIOCADDMULTI) 4781 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4782 else 4783 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4784 4785 if (error == ENETRESET) { 4786 tulip_addr_filter(sc); /* reset multicast filtering */ 4787 tulip_init(sc); 4788 error = 0; 4789 } 4790#endif 4791 break; 4792 } 4793#if defined(SIOCSIFMTU) 4794#if !defined(ifr_mtu) 4795#define ifr_mtu ifr_metric 4796#endif 4797 case SIOCSIFMTU: 4798 /* 4799 * Set the interface MTU. 4800 */ 4801 if (ifr->ifr_mtu > ETHERMTU 4802#ifdef BIG_PACKET 4803 && sc->tulip_chipid != TULIP_21140 4804 && sc->tulip_chipid != TULIP_21140A 4805 && sc->tulip_chipid != TULIP_21041 4806#endif 4807 ) { 4808 error = EINVAL; 4809 break; 4810 } 4811 ifp->if_mtu = ifr->ifr_mtu; 4812#ifdef BIG_PACKET 4813 tulip_reset(sc); 4814 tulip_init(sc); 4815#endif 4816 break; 4817#endif /* SIOCSIFMTU */ 4818 4819#ifdef SIOCGADDRROM 4820 case SIOCGADDRROM: { 4821 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4822 break; 4823 } 4824#endif 4825#ifdef SIOCGCHIPID 4826 case SIOCGCHIPID: { 4827 ifr->ifr_metric = (int) sc->tulip_chipid; 4828 break; 4829 } 4830#endif 4831 default: { 4832 error = EINVAL; 4833 break; 4834 } 4835 } 4836 4837 TULIP_RESTORESPL(s); 4838 TULIP_PERFEND(ifioctl); 4839 return error; 4840} 4841 4842/* 4843 * These routines gets called at device spl (from ether_output). This might 4844 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4845 * device spl from another driver. 4846 */ 4847 4848static ifnet_ret_t 4849tulip_ifstart( 4850 struct ifnet * const ifp) 4851{ 4852 TULIP_PERFSTART(ifstart) 4853 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4854 4855 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4856 4857 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4858 tulip_txput_setup(sc); 4859 4860 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4861 struct mbuf *m; 4862 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4863 if ((m = tulip_txput(sc, m)) != NULL) { 4864 IF_PREPEND(&sc->tulip_if.if_snd, m); 4865 break; 4866 } 4867 } 4868 if (sc->tulip_if.if_snd.ifq_head == NULL) 4869 sc->tulip_if.if_start = tulip_ifstart_one; 4870 } 4871 4872 TULIP_PERFEND(ifstart); 4873} 4874 4875static ifnet_ret_t 4876tulip_ifstart_one( 4877 struct ifnet * const ifp) 4878{ 4879 TULIP_PERFSTART(ifstart_one) 4880 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4881 4882 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4883 && sc->tulip_if.if_snd.ifq_head != NULL) { 4884 struct mbuf *m; 4885 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4886 if ((m = tulip_txput(sc, m)) != NULL) 4887 IF_PREPEND(&sc->tulip_if.if_snd, m); 4888 } 4889 TULIP_PERFEND(ifstart_one); 4890} 4891 4892/* 4893 * Even though this routine runs at device spl, it does not break 4894 * our use of splnet (splsoftnet under NetBSD) for the majority 4895 * of this driver (if TULIP_USE_SOFTINTR defined) since 4896 * if_watcbog is called from if_watchdog which is called from 4897 * splsoftclock which is below spl[soft]net. 4898 */ 4899static void 4900tulip_ifwatchdog( 4901 struct ifnet *ifp) 4902{ 4903 TULIP_PERFSTART(ifwatchdog) 4904 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4905 4906#if defined(TULIP_DEBUG) 4907 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4908 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4909 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4910 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4911#endif /* TULIP_DEBUG */ 4912 4913 sc->tulip_if.if_timer = 1; 4914 /* 4915 * These should be rare so do a bulk test up front so we can just skip 4916 * them if needed. 4917 */ 4918 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4919 /* 4920 * If the number of receive buffer is low, try to refill 4921 */ 4922 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4923 tulip_rx_intr(sc); 4924 4925 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4926 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4927 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4928 tulip_system_errors[sc->tulip_last_system_error]); 4929 } 4930 if (sc->tulip_statusbits) { 4931 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4932 sc->tulip_statusbits = 0; 4933 } 4934 4935 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4936 } 4937 4938 if (sc->tulip_txtimer) 4939 tulip_tx_intr(sc); 4940 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4941 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4942 if (TULIP_DO_AUTOSENSE(sc)) { 4943 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4944 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4945 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4946 } 4947 tulip_reset(sc); 4948 tulip_init(sc); 4949 } 4950 4951 TULIP_PERFEND(ifwatchdog); 4952 TULIP_PERFMERGE(sc, perf_intr_cycles); 4953 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4954 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4955 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4956 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4957 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4958 TULIP_PERFMERGE(sc, perf_txput_cycles); 4959 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4960 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4961 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4962 TULIP_PERFMERGE(sc, perf_intr); 4963 TULIP_PERFMERGE(sc, perf_ifstart); 4964 TULIP_PERFMERGE(sc, perf_ifioctl); 4965 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4966 TULIP_PERFMERGE(sc, perf_timeout); 4967 TULIP_PERFMERGE(sc, perf_ifstart_one); 4968 TULIP_PERFMERGE(sc, perf_txput); 4969 TULIP_PERFMERGE(sc, perf_txintr); 4970 TULIP_PERFMERGE(sc, perf_rxintr); 4971 TULIP_PERFMERGE(sc, perf_rxget); 4972} 4973 4974#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4975static ifnet_ret_t 4976tulip_ifwatchdog_wrapper( 4977 int unit) 4978{ 4979 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 4980} 4981#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 4982#endif 4983 4984/* 4985 * All printf's are real as of now! 4986 */ 4987#ifdef printf 4988#undef printf 4989#endif 4990#if !defined(IFF_NOTRAILERS) 4991#define IFF_NOTRAILERS 0 4992#endif 4993 4994static void 4995tulip_attach( 4996 tulip_softc_t * const sc) 4997{ 4998 struct ifnet * const ifp = &sc->tulip_if; 4999 5000 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 5001 ifp->if_ioctl = tulip_ifioctl; 5002 ifp->if_start = tulip_ifstart; 5003 ifp->if_watchdog = tulip_ifwatchdog; 5004 ifp->if_timer = 1; 5005#if !defined(__bsdi__) || _BSDI_VERSION < 199401 5006 ifp->if_output = ether_output; 5007#endif 5008#if defined(__bsdi__) && _BSDI_VERSION < 199401 5009 ifp->if_mtu = ETHERMTU; 5010#endif 5011 5012#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5013 aprint_naive(": DEC Ethernet"); 5014 aprint_normal(": %s%s", sc->tulip_boardid, 5015 tulip_chipdescs[sc->tulip_chipid]); 5016 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 5017 sc->tulip_revinfo & 0x0F); 5018 printf("\n"); 5019 sc->tulip_pf = aprint_normal; 5020 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5021 TULIP_PRINTF_ARGS, 5022 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5023#else 5024 printf( 5025#if defined(__bsdi__) 5026 "\n" 5027#endif 5028 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", 5029 TULIP_PRINTF_ARGS, 5030 sc->tulip_boardid, 5031 tulip_chipdescs[sc->tulip_chipid], 5032 (sc->tulip_revinfo & 0xF0) >> 4, 5033 sc->tulip_revinfo & 0x0F, 5034 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 5035 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 5036 printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5037 TULIP_PRINTF_ARGS, 5038 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5039#endif 5040 5041#if defined(__alpha__) 5042 /* 5043 * In case the SRM console told us about a bogus media, 5044 * we need to check to be safe. 5045 */ 5046 if (sc->tulip_mediums[sc->tulip_media] == NULL) 5047 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 5048#endif 5049 5050 (*sc->tulip_boardsw->bd_media_probe)(sc); 5051#if defined(IFM_ETHER) 5052 ifmedia_init(&sc->tulip_ifmedia, 0, 5053 tulip_ifmedia_change, 5054 tulip_ifmedia_status); 5055#else 5056 { 5057 tulip_media_t media; 5058 int cnt; 5059 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 5060 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 5061 if (sc->tulip_mediums[media] != NULL) { 5062 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 5063 cnt++; 5064 } 5065 } 5066 if (cnt == 1) { 5067 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 5068 printf(" none\n"); 5069 } else { 5070 printf("\n"); 5071 } 5072 } 5073#endif 5074 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 5075#if defined(IFM_ETHER) 5076 tulip_ifmedia_add(sc); 5077#endif 5078 5079 tulip_reset(sc); 5080 5081#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5082 sc->tulip_pf = printf; 5083 TULIP_ETHER_IFATTACH(sc); 5084#else 5085 if_attach(ifp); 5086#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 5087 TULIP_ETHER_IFATTACH(sc); 5088#endif 5089#endif /* __bsdi__ */ 5090 5091#if NBPFILTER > 0 5092 TULIP_BPF_ATTACH(sc); 5093#endif 5094 5095#if defined(__NetBSD__) && NRND > 0 5096 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 5097 RND_TYPE_NET); 5098#endif 5099} 5100 5101#if defined(TULIP_BUS_DMA) 5102#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 5103static int 5104tulip_busdma_allocmem( 5105 tulip_softc_t * const sc, 5106 size_t size, 5107 bus_dmamap_t *map_p, 5108 tulip_desc_t **desc_p) 5109{ 5110 bus_dma_segment_t segs[1]; 5111 int nsegs, error; 5112 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, CLBYTES, 5113 segs, sizeof(segs)/sizeof(segs[0]), 5114 &nsegs, BUS_DMA_NOWAIT); 5115 if (error == 0) { 5116 void *desc; 5117 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 5118 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 5119 if (error == 0) { 5120 bus_dmamap_t map; 5121 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 5122 BUS_DMA_NOWAIT, &map); 5123 if (error == 0) { 5124 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 5125 size, NULL, BUS_DMA_NOWAIT); 5126 if (error) 5127 bus_dmamap_destroy(sc->tulip_dmatag, map); 5128 else 5129 *map_p = map; 5130 } 5131 if (error) 5132 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 5133 } 5134 if (error) 5135 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 5136 else 5137 *desc_p = desc; 5138 } 5139 return error; 5140} 5141#endif 5142 5143static int 5144tulip_busdma_init( 5145 tulip_softc_t * const sc) 5146{ 5147 int error = 0; 5148 5149#if !defined(TULIP_BUS_DMA_NOTX) 5150 /* 5151 * Allocate dmamap for setup descriptor 5152 */ 5153 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 5154 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 5155 &sc->tulip_setupmap); 5156 if (error == 0) { 5157 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 5158 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 5159 NULL, BUS_DMA_NOWAIT); 5160 if (error) 5161 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 5162 } 5163 /* 5164 * Allocate space and dmamap for transmit ring 5165 */ 5166 if (error == 0) { 5167 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 5168 &sc->tulip_txdescmap, 5169 &sc->tulip_txdescs); 5170 } 5171 5172 /* 5173 * Allocate dmamaps for each transmit descriptors 5174 */ 5175 if (error == 0) { 5176 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 5177 bus_dmamap_t map; 5178 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 5179 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 5180 } 5181 if (error) { 5182 while (sc->tulip_txmaps_free > 0) 5183 bus_dmamap_destroy(sc->tulip_dmatag, 5184 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 5185 } 5186 } 5187#else 5188 if (error == 0) { 5189 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5190 if (sc->tulip_txdescs == NULL) 5191 error = ENOMEM; 5192 } 5193#endif 5194#if !defined(TULIP_BUS_DMA_NORX) 5195 /* 5196 * Allocate space and dmamap for receive ring 5197 */ 5198 if (error == 0) { 5199 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5200 &sc->tulip_rxdescmap, 5201 &sc->tulip_rxdescs); 5202 } 5203 5204 /* 5205 * Allocate dmamaps for each receive descriptors 5206 */ 5207 if (error == 0) { 5208 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5209 bus_dmamap_t map; 5210 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5211 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5212 } 5213 if (error) { 5214 while (sc->tulip_rxmaps_free > 0) 5215 bus_dmamap_destroy(sc->tulip_dmatag, 5216 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5217 } 5218 } 5219#else 5220 if (error == 0) { 5221 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5222 if (sc->tulip_rxdescs == NULL) 5223 error = ENOMEM; 5224 } 5225#endif 5226 return error; 5227} 5228#endif /* TULIP_BUS_DMA */ 5229 5230static void 5231tulip_initcsrs( 5232 tulip_softc_t * const sc, 5233 tulip_csrptr_t csr_base, 5234 size_t csr_size) 5235{ 5236 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5237 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5238 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5239 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5240 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5241 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5242 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5243 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5244 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5245 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5246 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5247 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5248 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5249 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5250 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5251 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5252#if defined(TULIP_EISA) 5253 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 5254#endif 5255} 5256 5257static void 5258tulip_initring( 5259 tulip_softc_t * const sc, 5260 tulip_ringinfo_t * const ri, 5261 tulip_desc_t *descs, 5262 int ndescs) 5263{ 5264 ri->ri_max = ndescs; 5265 ri->ri_first = descs; 5266 ri->ri_last = ri->ri_first + ri->ri_max; 5267 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5268 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5269} 5270 5271/* 5272 * This is the PCI configuration support. Since the 21040 is available 5273 * on both EISA and PCI boards, one must be careful in how defines the 5274 * 21040 in the config file. 5275 */ 5276 5277#define PCI_CFID 0x00 /* Configuration ID */ 5278#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 5279#define PCI_CFRV 0x08 /* Configuration Revision */ 5280#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 5281#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5282#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5283#define PCI_CFIT 0x3c /* Configuration Interrupt */ 5284#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5285 5286#if defined(TULIP_EISA) 5287static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5288#endif 5289 5290#if defined(__FreeBSD__) 5291 5292#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5293#define TULIP_SHUTDOWN_ARGS int howto, void * arg 5294 5295#if defined(TULIP_DEVCONF) 5296static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5297 5298static int 5299tulip_pci_shutdown( 5300 struct kern_devconf * const kdc, 5301 int force) 5302{ 5303 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5304 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5305 if (sc != NULL) 5306 tulip_shutdown(0, sc); 5307 } 5308 (void) dev_detach(kdc); 5309 return 0; 5310} 5311#endif 5312 5313static const char* 5314tulip_pci_probe( 5315 pcici_t config_id, 5316 pcidi_t device_id) 5317{ 5318 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5319 return NULL; 5320 if (PCI_CHIPID(device_id) == CHIPID_21040) 5321 return "Digital 21040 Ethernet"; 5322 if (PCI_CHIPID(device_id) == CHIPID_21041) 5323 return "Digital 21041 Ethernet"; 5324 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5325 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5326 if (revinfo >= 0x20) 5327 return "Digital 21140A Fast Ethernet"; 5328 else 5329 return "Digital 21140 Fast Ethernet"; 5330 } 5331 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5332 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5333 if (revinfo >= 0x20) 5334 return "Digital 21143 Fast Ethernet"; 5335 else 5336 return "Digital 21142 Fast Ethernet"; 5337 } 5338 return NULL; 5339} 5340 5341static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5342static u_long tulip_pci_count; 5343 5344static struct pci_device dedevice = { 5345 "de", 5346 tulip_pci_probe, 5347 tulip_pci_attach, 5348 &tulip_pci_count, 5349#if defined(TULIP_DEVCONF) 5350 tulip_pci_shutdown, 5351#endif 5352}; 5353 5354DATA_SET (pcidevice_set, dedevice); 5355#endif /* __FreeBSD__ */ 5356 5357#if defined(__bsdi__) 5358#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5359#define TULIP_SHUTDOWN_ARGS void *arg 5360 5361static int 5362tulip_pci_match( 5363 pci_devaddr_t *pa) 5364{ 5365 int irq; 5366 unsigned id; 5367 5368 id = pci_inl(pa, PCI_VENDOR_ID); 5369 if (PCI_VENDORID(id) != DEC_VENDORID) 5370 return 0; 5371 id = PCI_CHIPID(id); 5372 if (id != CHIPID_21040 && id != CHIPID_21041 5373 && id != CHIPID_21140 && id != CHIPID_21142) 5374 return 0; 5375 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5376 if (irq == 0 || irq >= 16) { 5377 printf("de?: invalid IRQ %d; skipping\n", irq); 5378 return 0; 5379 } 5380 return 1; 5381} 5382 5383static int 5384tulip_probe( 5385 struct device *parent, 5386 struct cfdata *cf, 5387 void *aux) 5388{ 5389 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5390 unsigned irq, slot; 5391 pci_devaddr_t *pa; 5392 5393#if _BSDI_VERSION >= 199401 5394 switch (ia->ia_bustype) { 5395 case BUS_PCI: 5396#endif 5397 pa = pci_scan(tulip_pci_match); 5398 if (pa == NULL) 5399 return 0; 5400 5401 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5402 5403 /* Get the base address; assume the BIOS set it up correctly */ 5404#if defined(TULIP_IOMAPPED) 5405 ia->ia_maddr = NULL; 5406 ia->ia_msize = 0; 5407 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5408 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5409 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5410 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5411 5412 /* Disable memory space access */ 5413 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5414#else 5415 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5416 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5417 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5418 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5419 ia->ia_iobase = 0; 5420 ia->ia_iosize = 0; 5421 5422 /* Disable I/O space access */ 5423 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5424#endif /* TULIP_IOMAPPED */ 5425 5426 ia->ia_aux = (void *) pa; 5427#if _BSDI_VERSION >= 199401 5428 break; 5429 5430#if defined(TULIP_EISA) 5431 case BUS_EISA: { 5432 unsigned tmp; 5433 5434 if ((slot = eisa_match(cf, ia)) == 0) 5435 return 0; 5436 ia->ia_iobase = slot << 12; 5437 ia->ia_iosize = EISA_NPORT; 5438 eisa_slotalloc(slot); 5439 tmp = inb(ia->ia_iobase + DE425_CFG0); 5440 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5441 /* 5442 * Until BSD/OS likes level interrupts, force 5443 * the DE425 into edge-triggered mode. 5444 */ 5445 if ((tmp & 1) == 0) 5446 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5447 /* 5448 * CBIO needs to map to the EISA slot 5449 * enable I/O access and Master 5450 */ 5451 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5452 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5453 ia->ia_aux = NULL; 5454 break; 5455 } 5456#endif /* TULIP_EISA */ 5457 default: 5458 return 0; 5459 } 5460#endif 5461 5462 /* PCI bus masters don't use host DMA channels */ 5463 ia->ia_drq = DRQNONE; 5464 5465 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5466 printf("de%d: error: desired IRQ of %d does not match device's " 5467 "actual IRQ of %d,\n", 5468 cf->cf_unit, 5469 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5470 return 0; 5471 } 5472 if (ia->ia_irq == IRQUNK) 5473 ia->ia_irq = irq; 5474#ifdef IRQSHARE 5475 ia->ia_irq |= IRQSHARE; 5476#endif 5477 return 1; 5478} 5479 5480static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5481 5482#if defined(TULIP_EISA) 5483static char *tulip_eisa_ids[] = { 5484 "DEC4250", 5485 NULL 5486}; 5487#endif 5488 5489struct cfdriver decd = { 5490 0, "de", tulip_probe, tulip_pci_attach, 5491#if _BSDI_VERSION >= 199401 5492 DV_IFNET, 5493#endif 5494 sizeof(tulip_softc_t), 5495#if defined(TULIP_EISA) 5496 tulip_eisa_ids 5497#endif 5498}; 5499 5500#endif /* __bsdi__ */ 5501 5502#if defined(__NetBSD__) 5503#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5504#define TULIP_SHUTDOWN_ARGS void *arg 5505static int 5506tulip_pci_probe( 5507 struct device *parent, 5508 struct cfdata *match, 5509 void *aux) 5510{ 5511 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5512 5513 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5514 return 0; 5515 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5516 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5517 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5518 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5519 return 1; 5520 5521 return 0; 5522} 5523 5524static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5525 5526struct cfattach de_ca = { 5527 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5528}; 5529 5530#endif /* __NetBSD__ */ 5531 5532static void 5533tulip_shutdown( 5534 TULIP_SHUTDOWN_ARGS) 5535{ 5536 tulip_softc_t * const sc = arg; 5537 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5538 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5539 33MHz that comes to two microseconds but wait a 5540 bit longer anyways) */ 5541} 5542 5543static void 5544tulip_pci_attach( 5545 TULIP_PCI_ATTACH_ARGS) 5546{ 5547#if defined(__FreeBSD__) 5548 tulip_softc_t *sc; 5549#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5550#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5551#if __FreeBSD_version >= 300000 5552#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = (config_id->bus), /* XXX */ \ 5553 (sc)->tulip_pci_devno = (config_id->slot))) /* XXX */ 5554#else 5555#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5556 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5557#endif 5558#endif 5559#if defined(__bsdi__) 5560 tulip_softc_t * const sc = (tulip_softc_t *) self; 5561 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5562 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5563 const int unit = sc->tulip_dev.dv_unit; 5564#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5565#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5566#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5567 (sc)->tulip_pci_devno = pa->d_agent)) 5568#endif 5569#if defined(__NetBSD__) 5570 tulip_softc_t * const sc = (tulip_softc_t *) self; 5571 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5572 const int unit = sc->tulip_dev.dv_unit; 5573#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5574#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5575#define PCI_GETBUSDEVINFO(sc) do { \ 5576 (sc)->tulip_pci_busno = parent; \ 5577 (sc)->tulip_pci_devno = pa->pa_device; \ 5578 } while (0) 5579#endif /* __NetBSD__ */ 5580#if defined(__alpha__) 5581 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5582#endif 5583 int retval, idx; 5584 u_int32_t revinfo, cfdainfo, id; 5585#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5586 vm_offset_t pa_csrs; 5587#endif 5588 unsigned csroffset = TULIP_PCI_CSROFFSET; 5589 unsigned csrsize = TULIP_PCI_CSRSIZE; 5590 tulip_csrptr_t csr_base; 5591 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5592 5593 if (unit >= TULIP_MAX_DEVICES) { 5594#ifdef __FreeBSD__ 5595 printf("de%d", unit); 5596#endif 5597 printf(": not configured; limit of %d reached or exceeded\n", 5598 TULIP_MAX_DEVICES); 5599 return; 5600 } 5601 5602#if defined(__bsdi__) 5603 if (pa != NULL) { 5604 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5605 id = pci_inl(pa, PCI_CFID); 5606 cfdainfo = pci_inl(pa, PCI_CFDA); 5607#if defined(TULIP_EISA) 5608 } else { 5609 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5610 csroffset = TULIP_EISA_CSROFFSET; 5611 csrsize = TULIP_EISA_CSRSIZE; 5612 chipid = TULIP_DE425; 5613 cfdainfo = 0; 5614#endif /* TULIP_EISA */ 5615 } 5616#else /* __bsdi__ */ 5617 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5618 id = PCI_CONF_READ(PCI_CFID); 5619 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5620#endif /* __bsdi__ */ 5621 5622 if (PCI_VENDORID(id) == DEC_VENDORID) { 5623 if (PCI_CHIPID(id) == CHIPID_21040) 5624 chipid = TULIP_21040; 5625 else if (PCI_CHIPID(id) == CHIPID_21041) 5626 chipid = TULIP_21041; 5627 else if (PCI_CHIPID(id) == CHIPID_21140) 5628 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5629 else if (PCI_CHIPID(id) == CHIPID_21142) 5630 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5631 } 5632 if (chipid == TULIP_CHIPID_UNKNOWN) 5633 return; 5634 5635 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5636#ifdef __FreeBSD__ 5637 printf("de%d", unit); 5638#endif 5639 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5640 revinfo >> 4, revinfo & 0x0f); 5641 return; 5642 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5643#ifndef __FreeBSD__ 5644 printf("\n"); 5645#endif 5646 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5647 unit, revinfo >> 4, revinfo & 0x0f); 5648 return; 5649 } 5650 5651#if defined(__FreeBSD__) 5652 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5653 if (sc == NULL) 5654 return; 5655 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5656#endif 5657 5658 PCI_GETBUSDEVINFO(sc); 5659 sc->tulip_chipid = chipid; 5660 sc->tulip_flags |= TULIP_DEVICEPROBE; 5661 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5662 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5663 if (chipid == TULIP_21140A && revinfo <= 0x22) 5664 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5665 if (chipid == TULIP_21140) 5666 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5667 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5668 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5669 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5670 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5671 if (chipid != TULIP_21041 || revinfo >= 0x20) 5672 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5673 if (chipid != TULIP_21041) 5674 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5675 if (chipid != TULIP_21041 && revinfo >= 0x20) 5676 sc->tulip_features |= TULIP_HAVE_SIA100; 5677 } 5678 5679 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5680 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5681 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5682 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5683 DELAY(11*1000); 5684 } 5685#if defined(__alpha__) && defined(__NetBSD__) 5686 /* 5687 * The Alpha SRM console encodes a console set media in the driver 5688 * part of the CFDA register. Note that the Multia presents a 5689 * problem in that its BNC mode is really EXTSIA. So in that case 5690 * force a probe. 5691 */ 5692 switch ((cfdainfo >> 8) & 0xff) { 5693 case 1: media = chipid > TULIP_DE425 ? 5694 TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5695 case 2: media = chipid > TULIP_DE425 ? 5696 TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5697 case 3: media = TULIP_MEDIA_10BASET; break; 5698 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5699 case 5: media = TULIP_MEDIA_100BASETX; break; 5700 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5701 } 5702#endif 5703 5704#if defined(__NetBSD__) 5705 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5706 sc->tulip_if.if_softc = sc; 5707 sc->tulip_pc = pa->pa_pc; 5708#if defined(TULIP_BUS_DMA) 5709 sc->tulip_dmatag = pa->pa_dmat; 5710#endif 5711#else 5712 sc->tulip_unit = unit; 5713 sc->tulip_name = "de"; 5714#endif 5715 sc->tulip_revinfo = revinfo; 5716#if defined(__FreeBSD__) 5717#if BSD >= 199506 5718 sc->tulip_if.if_softc = sc; 5719#endif 5720#if defined(TULIP_IOMAPPED) 5721 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5722#else 5723 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5724#endif 5725 if (!retval) { 5726 free((caddr_t) sc, M_DEVBUF); 5727 return; 5728 } 5729 tulips[unit] = sc; 5730#endif /* __FreeBSD__ */ 5731 5732#if defined(__bsdi__) 5733 sc->tulip_pf = printf; 5734#if defined(TULIP_IOMAPPED) 5735 csr_base = ia->ia_iobase; 5736#else 5737 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5738#endif 5739#endif /* __bsdi__ */ 5740 5741#if defined(__NetBSD__) 5742 csr_base = 0; 5743 { 5744 bus_space_tag_t iot, memt; 5745 bus_space_handle_t ioh, memh; 5746 int ioh_valid, memh_valid; 5747 5748 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5749 &iot, &ioh, NULL, NULL) == 0); 5750 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5751 PCI_MAPREG_TYPE_MEM | 5752 PCI_MAPREG_MEM_TYPE_32BIT, 5753 0, &memt, &memh, NULL, NULL) == 0); 5754 if (memh_valid) { 5755 sc->tulip_bustag = memt; 5756 sc->tulip_bushandle = memh; 5757 } else if (ioh_valid) { 5758 sc->tulip_bustag = iot; 5759 sc->tulip_bushandle = ioh; 5760 } else { 5761 printf(": unable to map device registers\n"); 5762 return; 5763 } 5764 } 5765#endif /* __NetBSD__ */ 5766 5767 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5768 5769#if defined(TULIP_BUS_DMA) 5770 if ((retval = tulip_busdma_init(sc)) != 0) { 5771 printf("error initing bus_dma: %d\n", retval); 5772 return; 5773 } 5774#else 5775#if defined(__FreeBSD__) 5776 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5777 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5778 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5779 printf("malloc failed\n"); 5780 if (sc->tulip_rxdescs) 5781 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5782 if (sc->tulip_txdescs) 5783 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5784 free((caddr_t) sc, M_DEVBUF); 5785 return; 5786 } 5787#else 5788 sc->tulip_txdescs = (tulip_desc_t *) malloc((TULIP_TXDESCS+TULIP_RXDESCS)*sizeof(tulip_desc_t), M_DEVBUF, M_WAITOK); 5789 sc->tulip_rxdescs = sc->tulip_txdescs + TULIP_TXDESCS; 5790#endif 5791#endif 5792 5793 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5794 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5795 5796 /* 5797 * Make sure there won't be any interrupts or such... 5798 */ 5799 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5800 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5801 33MHz that comes to two microseconds but wait a 5802 bit longer anyways) */ 5803 5804 if ((retval = tulip_read_macaddr(sc)) < 0) { 5805#if defined(__FreeBSD__) 5806 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5807#endif 5808 printf(": can't read ENET ROM (why=%d) (", retval); 5809 for (idx = 0; idx < 32; idx++) 5810 printf("%02x", sc->tulip_rombuf[idx]); 5811 printf("\n"); 5812 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", 5813 TULIP_PRINTF_ARGS, 5814 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5815 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5816 printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); 5817 } else { 5818 tulip_spl_t s; 5819 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5820 5821 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5822 intr_rtn = tulip_intr_shared; 5823 5824#if defined(__NetBSD__) 5825 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5826 pci_intr_handle_t intrhandle; 5827 const char *intrstr; 5828 5829 printf("\n"); 5830 5831 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 5832 pa->pa_intrline, &intrhandle)) { 5833 printf("%s: couldn't map interrupt\n", sc->tulip_dev.dv_xname); 5834 return; 5835 } 5836 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5837 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5838 intr_rtn, sc); 5839 if (sc->tulip_ih == NULL) { 5840 printf("%s: couldn't establish interrupt", 5841 sc->tulip_dev.dv_xname); 5842 if (intrstr != NULL) 5843 printf(" at %s", intrstr); 5844 printf("\n"); 5845 return; 5846 } 5847 printf("%s: interrupting at %s\n", sc->tulip_dev.dv_xname, intrstr); 5848 } 5849 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5850 if (sc->tulip_ats == NULL) 5851 printf("%s: warning: couldn't establish shutdown hook\n", 5852 sc->tulip_xname); 5853#endif 5854#if defined(__FreeBSD__) 5855 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5856 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5857 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5858 TULIP_PRINTF_ARGS); 5859 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5860 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5861 free((caddr_t) sc, M_DEVBUF); 5862 return; 5863 } 5864 } 5865#if !defined(TULIP_DEVCONF) 5866 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5867#endif 5868#endif 5869#if defined(__bsdi__) 5870 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5871 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5872 5873 sc->tulip_ih.ih_fun = intr_rtn; 5874 sc->tulip_ih.ih_arg = (void *) sc; 5875 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5876 } 5877 5878 sc->tulip_ats.func = tulip_shutdown; 5879 sc->tulip_ats.arg = (void *) sc; 5880 atshutdown(&sc->tulip_ats, ATSH_ADD); 5881#endif 5882#if defined(TULIP_USE_SOFTINTR) 5883 if (sc->tulip_unit > tulip_softintr_max_unit) 5884 tulip_softintr_max_unit = sc->tulip_unit; 5885#endif 5886 5887 s = TULIP_RAISESPL(); 5888 tulip_reset(sc); 5889 tulip_attach(sc); 5890#if defined(__alpha__) && defined(__NetBSD__) 5891 if (media != TULIP_MEDIA_UNKNOWN) 5892 tulip_linkup(sc, media); 5893#endif 5894 TULIP_RESTORESPL(s); 5895 } 5896} 5897