if_de.c revision 46024
1/* $NetBSD: if_de.c,v 1.82 1999/02/28 17:08:51 explorer Exp $ */ 2/* $Id: if_de.c,v 1.102 1999/03/17 16:44:52 luigi Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software withough specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 28 * 29 */ 30 31/* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40#define TULIP_HDR_DATA 41 42#ifdef __NetBSD__ 43#include "opt_inet.h" 44#include "opt_ns.h" 45#endif 46 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/mbuf.h> 50#include <sys/socket.h> 51#include <sys/sockio.h> 52#include <sys/malloc.h> 53#include <sys/kernel.h> 54#if defined(__FreeBSD__) 55#include <machine/clock.h> 56#elif defined(__bsdi__) || defined(__NetBSD__) 57#include <sys/device.h> 58#endif 59 60#if defined(__FreeBSD__) 61/* In case somebody is trying to run this on an older 2.2 or 3.0 */ 62#ifndef __FreeBSD_version /* defined in sys/param.h on current code */ 63#if __FreeBSD__ >= 3 64#define __FreeBSD_version 300000 65#else 66#define __FreeBSD_version 200000 67#endif 68#endif 69#if __FreeBSD_version >= 300000 70#include "opt_inet.h" 71#include "opt_ipx.h" 72#endif 73#endif 74 75#if defined(__NetBSD__) 76#include "rnd.h" 77#if NRND > 0 78#include <sys/rnd.h> 79#endif 80#endif 81 82#include <net/if.h> 83#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 84#include <net/if_media.h> 85#endif 86#include <net/if_dl.h> 87#ifdef TULIP_USE_SOFTINTR 88#include <net/netisr.h> 89#endif 90 91#if defined(__bsdi__) && _BSDI_VERSION >= 199701 92#include <dev/mii/mii.h> 93#include <dev/mii/miivar.h> 94#endif 95 96#include "bpfilter.h" 97#if NBPFILTER > 0 98#include <net/bpf.h> 99#endif 100 101#ifdef INET 102#include <netinet/in.h> 103#include <netinet/if_ether.h> 104#endif 105 106#ifdef IPX 107#include <netipx/ipx.h> 108#include <netipx/ipx_if.h> 109#endif 110 111#ifdef NS 112#include <netns/ns.h> 113#include <netns/ns_if.h> 114#endif 115 116#include <vm/vm.h> 117 118#if defined(__FreeBSD__) 119#include <net/if_var.h> 120#include <vm/pmap.h> 121#include <pci.h> 122#if NPCI > 0 123#include <pci/pcivar.h> 124#include <pci/dc21040reg.h> 125#define DEVAR_INCLUDE "pci/if_devar.h" 126#endif 127#include "opt_bdg.h" 128#ifdef BRIDGE 129#include <net/bridge.h> 130#endif 131#endif /* __FreeBSD__ */ 132 133#if defined(__bsdi__) 134#include <netinet/if_ether.h> 135#include <i386/pci/ic/dc21040reg.h> 136#include <i386/isa/isa.h> 137#include <i386/isa/icu.h> 138#include <i386/isa/dma.h> 139#include <i386/isa/isavar.h> 140#include <i386/pci/pci.h> 141#if _BSDI_VERSION < 199510 142#include <eisa.h> 143#else 144#define NEISA 0 145#endif 146#if NEISA > 0 && _BSDI_VERSION >= 199401 147#include <i386/eisa/eisa.h> 148#define TULIP_EISA 149#endif 150#define DEVAR_INCLUDE "i386/pci/if_devar.h" 151#endif /* __bsdi__ */ 152 153#if defined(__NetBSD__) 154#include <net/if_ether.h> 155#if defined(INET) 156#include <netinet/if_inarp.h> 157#endif 158#include <machine/bus.h> 159#include <machine/intr.h> 160#include <dev/pci/pcireg.h> 161#include <dev/pci/pcivar.h> 162#include <dev/ic/dc21040reg.h> 163#define DEVAR_INCLUDE "dev/pci/if_devar.h" 164#endif /* __NetBSD__ */ 165 166/* 167 * Intel CPUs should use I/O mapped access. 168 */ 169#if defined(__i386__) || defined(TULIP_EISA) 170#define TULIP_IOMAPPED 171#endif 172 173#if 0 174/* 175 * This turns on all sort of debugging stuff and make the 176 * driver much larger. 177 */ 178#define TULIP_DEBUG 179#endif 180 181#if 0 182#define TULIP_PERFSTATS 183#endif 184 185#if 0 186#define TULIP_USE_SOFTINTR 187#endif 188 189#define TULIP_HZ 10 190 191#include DEVAR_INCLUDE 192/* 193 * This module supports 194 * the DEC 21040 PCI Ethernet Controller. 195 * the DEC 21041 PCI Ethernet Controller. 196 * the DEC 21140 PCI Fast Ethernet Controller. 197 */ 198static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 199static tulip_intrfunc_t tulip_intr_shared(void *arg); 200static tulip_intrfunc_t tulip_intr_normal(void *arg); 201static void tulip_init(tulip_softc_t * const sc); 202static void tulip_reset(tulip_softc_t * const sc); 203static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 204static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 205static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 206static void tulip_txput_setup(tulip_softc_t * const sc); 207static void tulip_rx_intr(tulip_softc_t * const sc); 208static void tulip_addr_filter(tulip_softc_t * const sc); 209static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 210static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 211static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 212static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 213static int tulip_srom_decode(tulip_softc_t * const sc); 214#if defined(IFM_ETHER) 215static int tulip_ifmedia_change(struct ifnet * const ifp); 216static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 217#endif 218/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 219 220static void 221tulip_timeout_callback( 222 void *arg) 223{ 224 tulip_softc_t * const sc = arg; 225 tulip_spl_t s = TULIP_RAISESPL(); 226 227 TULIP_PERFSTART(timeout) 228 229 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 230 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 231 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 232 233 TULIP_PERFEND(timeout); 234 TULIP_RESTORESPL(s); 235} 236 237static void 238tulip_timeout( 239 tulip_softc_t * const sc) 240{ 241 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 242 return; 243 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 244 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 245} 246 247#if defined(TULIP_NEED_FASTTIMEOUT) 248static void 249tulip_fasttimeout_callback( 250 void *arg) 251{ 252 tulip_softc_t * const sc = arg; 253 tulip_spl_t s = TULIP_RAISESPL(); 254 255 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 256 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 257 TULIP_RESTORESPL(s); 258} 259 260static void 261tulip_fasttimeout( 262 tulip_softc_t * const sc) 263{ 264 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 265 return; 266 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 267 timeout(tulip_fasttimeout_callback, sc, 1); 268} 269#endif 270 271static int 272tulip_txprobe( 273 tulip_softc_t * const sc) 274{ 275 struct mbuf *m; 276 /* 277 * Before we are sure this is the right media we need 278 * to send a small packet to make sure there's carrier. 279 * Strangely, BNC and AUI will "see" receive data if 280 * either is connected so the transmit is the only way 281 * to verify the connectivity. 282 */ 283 MGETHDR(m, M_DONTWAIT, MT_DATA); 284 if (m == NULL) 285 return 0; 286 /* 287 * Construct a LLC TEST message which will point to ourselves. 288 */ 289 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 290 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 291 mtod(m, struct ether_header *)->ether_type = htons(3); 292 mtod(m, unsigned char *)[14] = 0; 293 mtod(m, unsigned char *)[15] = 0; 294 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 295 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 296 /* 297 * send it! 298 */ 299 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 300 sc->tulip_intrmask |= TULIP_STS_TXINTR; 301 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 302 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 303 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 304 if ((m = tulip_txput(sc, m)) != NULL) 305 m_freem(m); 306 sc->tulip_probe.probe_txprobes++; 307 return 1; 308} 309 310#ifdef BIG_PACKET 311#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 312#else 313#define TULIP_SIAGEN_WATCHDOG 0 314#endif 315 316static void 317tulip_media_set( 318 tulip_softc_t * const sc, 319 tulip_media_t media) 320{ 321 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 322 323 if (mi == NULL) 324 return; 325 326 /* 327 * If we are switching media, make sure we don't think there's 328 * any stale RX activity 329 */ 330 sc->tulip_flags &= ~TULIP_RXACT; 331 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 332 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 333 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 334 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 335 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 336 DELAY(50); 337 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 338 } else { 339 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 340 } 341 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 342 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 343#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 344 /* 345 * If the cmdmode bits don't match the currently operating mode, 346 * set the cmdmode appropriately and reset the chip. 347 */ 348 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 349 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 350 sc->tulip_cmdmode |= mi->mi_cmdmode; 351 tulip_reset(sc); 352 } 353 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 354 DELAY(10); 355 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 356 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 357 /* 358 * If the cmdmode bits don't match the currently operating mode, 359 * set the cmdmode appropriately and reset the chip. 360 */ 361 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 362 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 363 sc->tulip_cmdmode |= mi->mi_cmdmode; 364 tulip_reset(sc); 365 } 366 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 367 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 368 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 369 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 370 int idx; 371 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 372 const u_int8_t *dp; 373 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 374 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 375 DELAY(10); 376 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 377 } 378 sc->tulip_phyaddr = mi->mi_phyaddr; 379 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 380 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 381 DELAY(10); 382 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 383 } 384 } else { 385 for (idx = 0; idx < mi->mi_reset_length; idx++) { 386 DELAY(10); 387 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 388 } 389 sc->tulip_phyaddr = mi->mi_phyaddr; 390 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 391 DELAY(10); 392 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 393 } 394 } 395 if (sc->tulip_flags & TULIP_TRYNWAY) { 396 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 397 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 398 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 399 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 400 sc->tulip_flags &= ~TULIP_DIDNWAY; 401 if (TULIP_IS_MEDIA_FD(media)) 402 data |= PHYCTL_FULL_DUPLEX; 403 if (TULIP_IS_MEDIA_100MB(media)) 404 data |= PHYCTL_SELECT_100MB; 405 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 406 } 407 } 408} 409 410static void 411tulip_linkup( 412 tulip_softc_t * const sc, 413 tulip_media_t media) 414{ 415 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 416 sc->tulip_flags |= TULIP_PRINTLINKUP; 417 sc->tulip_flags |= TULIP_LINKUP; 418 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 419#if 0 /* XXX how does with work with ifmedia? */ 420 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 421 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 422 if (TULIP_CAN_MEDIA_FD(media) 423 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 424 media = TULIP_FD_MEDIA_OF(media); 425 } else { 426 if (TULIP_IS_MEDIA_FD(media) 427 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 428 media = TULIP_HD_MEDIA_OF(media); 429 } 430 } 431#endif 432 if (sc->tulip_media != media) { 433#ifdef TULIP_DEBUG 434 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 435#endif 436 sc->tulip_media = media; 437 sc->tulip_flags |= TULIP_PRINTMEDIA; 438 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 439 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 440 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 441 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 442 } 443 } 444 /* 445 * We could set probe_timeout to 0 but setting to 3000 puts this 446 * in one central place and the only matters is tulip_link is 447 * followed by a tulip_timeout. Therefore setting it should not 448 * result in aberrant behavour. 449 */ 450 sc->tulip_probe_timeout = 3000; 451 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 452 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 453 if (sc->tulip_flags & TULIP_INRESET) { 454 tulip_media_set(sc, sc->tulip_media); 455 } else if (sc->tulip_probe_media != sc->tulip_media) { 456 /* 457 * No reason to change media if we have the right media. 458 */ 459 tulip_reset(sc); 460 } 461 tulip_init(sc); 462} 463 464static void 465tulip_media_print( 466 tulip_softc_t * const sc) 467{ 468 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 469 return; 470 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 471 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 472 TULIP_PRINTF_ARGS, 473 tulip_mediums[sc->tulip_media]); 474 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 475 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 476 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 477 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 478 } 479} 480 481#if defined(TULIP_DO_GPR_SENSE) 482static tulip_media_t 483tulip_21140_gpr_media_sense( 484 tulip_softc_t * const sc) 485{ 486 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 487 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 488 tulip_media_t media; 489 490 /* 491 * If one of the media blocks contained a default media flag, 492 * use that. 493 */ 494 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 495 const tulip_media_info_t *mi; 496 /* 497 * Media is not supported (or is full-duplex). 498 */ 499 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 500 continue; 501 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 502 continue; 503 504 /* 505 * Remember the media is this is the "default" media. 506 */ 507 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 508 maybe_media = media; 509 510 /* 511 * No activity mask? Can't see if it is active if there's no mask. 512 */ 513 if (mi->mi_actmask == 0) 514 continue; 515 516 /* 517 * Does the activity data match? 518 */ 519 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 520 continue; 521 522#if defined(TULIP_DEBUG) 523 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 524 TULIP_PRINTF_ARGS, tulip_mediums[media], 525 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 526 mi->mi_actmask, mi->mi_actdata); 527#endif 528 /* 529 * It does! If this is the first media we detected, then 530 * remember this media. If isn't the first, then there were 531 * multiple matches which we equate to no match (since we don't 532 * which to select (if any). 533 */ 534 if (last_media == TULIP_MEDIA_UNKNOWN) { 535 last_media = media; 536 } else if (last_media != media) { 537 last_media = TULIP_MEDIA_UNKNOWN; 538 } 539 } 540 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 541} 542#endif /* TULIP_DO_GPR_SENSE */ 543 544static tulip_link_status_t 545tulip_media_link_monitor( 546 tulip_softc_t * const sc) 547{ 548 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 549 tulip_link_status_t linkup = TULIP_LINK_DOWN; 550 551 if (mi == NULL) { 552#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 553 panic("tulip_media_link_monitor: %s: botch at line %d\n", 554 tulip_mediums[sc->tulip_media],__LINE__); 555#endif 556 return TULIP_LINK_UNKNOWN; 557 } 558 559 560 /* 561 * Have we seen some packets? If so, the link must be good. 562 */ 563 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 564 sc->tulip_flags &= ~TULIP_RXACT; 565 sc->tulip_probe_timeout = 3000; 566 return TULIP_LINK_UP; 567 } 568 569 sc->tulip_flags &= ~TULIP_RXACT; 570 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 571 u_int32_t status; 572 /* 573 * Read the PHY status register. 574 */ 575 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 576 if (status & PHYSTS_AUTONEG_DONE) { 577 /* 578 * If the PHY has completed autonegotiation, see the if the 579 * remote systems abilities have changed. If so, upgrade or 580 * downgrade as appropriate. 581 */ 582 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 583 abilities = (abilities << 6) & status; 584 if (abilities != sc->tulip_abilities) { 585#if defined(TULIP_DEBUG) 586 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 587 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 588 sc->tulip_abilities, abilities); 589#endif 590 if (tulip_mii_map_abilities(sc, abilities)) { 591 tulip_linkup(sc, sc->tulip_probe_media); 592 return TULIP_LINK_UP; 593 } 594 /* 595 * if we had selected media because of autonegotiation, 596 * we need to probe for the new media. 597 */ 598 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 599 if (sc->tulip_flags & TULIP_DIDNWAY) 600 return TULIP_LINK_DOWN; 601 } 602 } 603 /* 604 * The link is now up. If was down, say its back up. 605 */ 606 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 607 linkup = TULIP_LINK_UP; 608 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 609 /* 610 * No activity sensor? Assume all's well. 611 */ 612 if (mi->mi_actmask == 0) 613 return TULIP_LINK_UNKNOWN; 614 /* 615 * Does the activity data match? 616 */ 617 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 618 linkup = TULIP_LINK_UP; 619 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 620 /* 621 * Assume non TP ok for now. 622 */ 623 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 624 return TULIP_LINK_UNKNOWN; 625 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 626 linkup = TULIP_LINK_UP; 627#if defined(TULIP_DEBUG) 628 if (sc->tulip_probe_timeout <= 0) 629 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 630#endif 631 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 632 return TULIP_LINK_UNKNOWN; 633 } 634 /* 635 * We will wait for 3 seconds until the link goes into suspect mode. 636 */ 637 if (sc->tulip_flags & TULIP_LINKUP) { 638 if (linkup == TULIP_LINK_UP) 639 sc->tulip_probe_timeout = 3000; 640 if (sc->tulip_probe_timeout > 0) 641 return TULIP_LINK_UP; 642 643 sc->tulip_flags &= ~TULIP_LINKUP; 644 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 645 } 646#if defined(TULIP_DEBUG) 647 sc->tulip_dbg.dbg_link_downed++; 648#endif 649 return TULIP_LINK_DOWN; 650} 651 652static void 653tulip_media_poll( 654 tulip_softc_t * const sc, 655 tulip_mediapoll_event_t event) 656{ 657#if defined(TULIP_DEBUG) 658 sc->tulip_dbg.dbg_events[event]++; 659#endif 660 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 661 && event == TULIP_MEDIAPOLL_TIMER) { 662 switch (tulip_media_link_monitor(sc)) { 663 case TULIP_LINK_DOWN: { 664 /* 665 * Link Monitor failed. Probe for new media. 666 */ 667 event = TULIP_MEDIAPOLL_LINKFAIL; 668 break; 669 } 670 case TULIP_LINK_UP: { 671 /* 672 * Check again soon. 673 */ 674 tulip_timeout(sc); 675 return; 676 } 677 case TULIP_LINK_UNKNOWN: { 678 /* 679 * We can't tell so don't bother. 680 */ 681 return; 682 } 683 } 684 } 685 686 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 687 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 688 if (TULIP_DO_AUTOSENSE(sc)) { 689#if defined(TULIP_DEBUG) 690 sc->tulip_dbg.dbg_link_failures++; 691#endif 692 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 693 if (sc->tulip_if.if_flags & IFF_UP) 694 tulip_reset(sc); /* restart probe */ 695 } 696 return; 697 } 698#if defined(TULIP_DEBUG) 699 sc->tulip_dbg.dbg_link_pollintrs++; 700#endif 701 } 702 703 if (event == TULIP_MEDIAPOLL_START) { 704 sc->tulip_if.if_flags |= IFF_OACTIVE; 705 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 706 return; 707 sc->tulip_probe_mediamask = 0; 708 sc->tulip_probe_passes = 0; 709#if defined(TULIP_DEBUG) 710 sc->tulip_dbg.dbg_media_probes++; 711#endif 712 /* 713 * If the SROM contained an explicit media to use, use it. 714 */ 715 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 716 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 717 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 718 /* 719 * connidx is defaulted to a media_unknown type. 720 */ 721 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 722 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 723 tulip_linkup(sc, sc->tulip_probe_media); 724 tulip_timeout(sc); 725 return; 726 } 727 728 if (sc->tulip_features & TULIP_HAVE_GPR) { 729 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 730 sc->tulip_probe_timeout = 2000; 731 } else { 732 sc->tulip_probe_media = TULIP_MEDIA_MAX; 733 sc->tulip_probe_timeout = 0; 734 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 735 } 736 } 737 738 /* 739 * Ignore txprobe failures or spurious callbacks. 740 */ 741 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 742 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 743 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 744 return; 745 } 746 747 /* 748 * If we really transmitted a packet, then that's the media we'll use. 749 */ 750 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 751 if (event == TULIP_MEDIAPOLL_LINKPASS) { 752 /* XXX Check media status just to be sure */ 753 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 754#if defined(TULIP_DEBUG) 755 } else { 756 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 757#endif 758 } 759 tulip_linkup(sc, sc->tulip_probe_media); 760 tulip_timeout(sc); 761 return; 762 } 763 764 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 765#if defined(TULIP_DO_GPR_SENSE) 766 /* 767 * Check for media via the general purpose register. 768 * 769 * Try to sense the media via the GPR. If the same value 770 * occurs 3 times in a row then just use that. 771 */ 772 if (sc->tulip_probe_timeout > 0) { 773 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 774#if defined(TULIP_DEBUG) 775 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 776 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 777#endif 778 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 779 if (new_probe_media == sc->tulip_probe_media) { 780 if (--sc->tulip_probe_count == 0) 781 tulip_linkup(sc, sc->tulip_probe_media); 782 } else { 783 sc->tulip_probe_count = 10; 784 } 785 } 786 sc->tulip_probe_media = new_probe_media; 787 tulip_timeout(sc); 788 return; 789 } 790#endif /* TULIP_DO_GPR_SENSE */ 791 /* 792 * Brute force. We cycle through each of the media types 793 * and try to transmit a packet. 794 */ 795 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 796 sc->tulip_probe_media = TULIP_MEDIA_MAX; 797 sc->tulip_probe_timeout = 0; 798 tulip_timeout(sc); 799 return; 800 } 801 802 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 803 && (sc->tulip_features & TULIP_HAVE_MII)) { 804 tulip_media_t old_media = sc->tulip_probe_media; 805 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 806 switch (sc->tulip_probe_state) { 807 case TULIP_PROBE_FAILED: 808 case TULIP_PROBE_MEDIATEST: { 809 /* 810 * Try the next media. 811 */ 812 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 813 sc->tulip_probe_timeout = 0; 814#ifdef notyet 815 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 816 break; 817 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 818 break; 819 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 820#endif 821 break; 822 } 823 case TULIP_PROBE_PHYAUTONEG: { 824 return; 825 } 826 case TULIP_PROBE_INACTIVE: { 827 /* 828 * Only probe if we autonegotiated a media that hasn't failed. 829 */ 830 sc->tulip_probe_timeout = 0; 831 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 832 sc->tulip_probe_media = old_media; 833 break; 834 } 835 tulip_linkup(sc, sc->tulip_probe_media); 836 tulip_timeout(sc); 837 return; 838 } 839 default: { 840#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 841 panic("tulip_media_poll: botch at line %d\n", __LINE__); 842#endif 843 break; 844 } 845 } 846 } 847 848 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 849#if defined(TULIP_DEBUG) 850 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 851#endif 852 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 853 return; 854 } 855 856 /* 857 * switch to another media if we tried this one enough. 858 */ 859 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 860#if defined(TULIP_DEBUG) 861 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 862 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 863 TULIP_PRINTF_ARGS); 864 sc->tulip_probe_media = TULIP_MEDIA_MAX; 865 } 866#endif 867 /* 868 * Find the next media type to check for. Full Duplex 869 * types are not allowed. 870 */ 871 do { 872 sc->tulip_probe_media -= 1; 873 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 874 if (++sc->tulip_probe_passes == 3) { 875 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 876 TULIP_PRINTF_ARGS); 877 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 878 sc->tulip_if.if_flags &= ~IFF_RUNNING; 879 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 880 return; 881 } 882 } 883 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 884 sc->tulip_probe_mediamask = 0; 885 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 886 } 887 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 888 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 889 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 890 891#if defined(TULIP_DEBUG) 892 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 893 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 894 tulip_mediums[sc->tulip_probe_media]); 895#endif 896 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 897 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 898 sc->tulip_probe.probe_txprobes = 0; 899 tulip_reset(sc); 900 tulip_media_set(sc, sc->tulip_probe_media); 901 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 902 } 903 tulip_timeout(sc); 904 905 /* 906 * If this is hanging off a phy, we know are doing NWAY and we have 907 * forced the phy to a specific speed. Wait for link up before 908 * before sending a packet. 909 */ 910 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 911 case TULIP_MEDIAINFO_MII: { 912 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 913 return; 914 break; 915 } 916 case TULIP_MEDIAINFO_SIA: { 917 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 918 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 919 return; 920 tulip_linkup(sc, sc->tulip_probe_media); 921#ifdef notyet 922 if (sc->tulip_features & TULIP_HAVE_MII) 923 tulip_timeout(sc); 924#endif 925 return; 926 } 927 break; 928 } 929 case TULIP_MEDIAINFO_RESET: 930 case TULIP_MEDIAINFO_SYM: 931 case TULIP_MEDIAINFO_NONE: 932 case TULIP_MEDIAINFO_GPR: { 933 break; 934 } 935 } 936 /* 937 * Try to send a packet. 938 */ 939 tulip_txprobe(sc); 940} 941 942static void 943tulip_media_select( 944 tulip_softc_t * const sc) 945{ 946 if (sc->tulip_features & TULIP_HAVE_GPR) { 947 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 948 DELAY(10); 949 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 950 } 951 /* 952 * If this board has no media, just return 953 */ 954 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 955 return; 956 957 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 958 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 959 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 960 } else { 961 tulip_media_set(sc, sc->tulip_media); 962 } 963} 964 965static void 966tulip_21040_mediainfo_init( 967 tulip_softc_t * const sc, 968 tulip_media_t media) 969{ 970 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 971 |TULIP_CMD_BACKOFFCTR; 972 sc->tulip_if.if_baudrate = 10000000; 973 974 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 975 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 976 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 977 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 978 } 979 980 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 981 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 982 } 983 984 if (media == TULIP_MEDIA_UNKNOWN) { 985 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 986 } 987} 988 989static void 990tulip_21040_media_probe( 991 tulip_softc_t * const sc) 992{ 993 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 994 return; 995} 996 997static void 998tulip_21040_10baset_only_media_probe( 999 tulip_softc_t * const sc) 1000{ 1001 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 1002 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1003 sc->tulip_media = TULIP_MEDIA_10BASET; 1004} 1005 1006static void 1007tulip_21040_10baset_only_media_select( 1008 tulip_softc_t * const sc) 1009{ 1010 sc->tulip_flags |= TULIP_LINKUP; 1011 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 1012 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1013 sc->tulip_flags &= ~TULIP_SQETEST; 1014 } else { 1015 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1016 sc->tulip_flags |= TULIP_SQETEST; 1017 } 1018 tulip_media_set(sc, sc->tulip_media); 1019} 1020 1021static void 1022tulip_21040_auibnc_only_media_probe( 1023 tulip_softc_t * const sc) 1024{ 1025 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1026 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1027 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1028 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1029} 1030 1031static void 1032tulip_21040_auibnc_only_media_select( 1033 tulip_softc_t * const sc) 1034{ 1035 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1036 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1037} 1038 1039static const tulip_boardsw_t tulip_21040_boardsw = { 1040 TULIP_21040_GENERIC, 1041 tulip_21040_media_probe, 1042 tulip_media_select, 1043 tulip_media_poll, 1044}; 1045 1046static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1047 TULIP_21040_GENERIC, 1048 tulip_21040_10baset_only_media_probe, 1049 tulip_21040_10baset_only_media_select, 1050 NULL, 1051}; 1052 1053static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1054 TULIP_21040_GENERIC, 1055 tulip_21040_auibnc_only_media_probe, 1056 tulip_21040_auibnc_only_media_select, 1057 NULL, 1058}; 1059 1060static void 1061tulip_21041_mediainfo_init( 1062 tulip_softc_t * const sc) 1063{ 1064 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1065 1066#ifdef notyet 1067 if (sc->tulip_revinfo >= 0x20) { 1068 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1069 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1070 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1071 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1072 return; 1073 } 1074#endif 1075 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1076 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1077 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1078 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1079} 1080 1081static void 1082tulip_21041_media_probe( 1083 tulip_softc_t * const sc) 1084{ 1085 sc->tulip_if.if_baudrate = 10000000; 1086 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1087 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1088 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1089 tulip_21041_mediainfo_init(sc); 1090} 1091 1092static void 1093tulip_21041_media_poll( 1094 tulip_softc_t * const sc, 1095 const tulip_mediapoll_event_t event) 1096{ 1097 u_int32_t sia_status; 1098 1099#if defined(TULIP_DEBUG) 1100 sc->tulip_dbg.dbg_events[event]++; 1101#endif 1102 1103 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1104 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1105 || !TULIP_DO_AUTOSENSE(sc)) 1106 return; 1107 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1108 tulip_reset(sc); /* start probe */ 1109 return; 1110 } 1111 1112 /* 1113 * If we've been been asked to start a poll or link change interrupt 1114 * restart the probe (and reset the tulip to a known state). 1115 */ 1116 if (event == TULIP_MEDIAPOLL_START) { 1117 sc->tulip_if.if_flags |= IFF_OACTIVE; 1118 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1119#ifdef notyet 1120 if (sc->tulip_revinfo >= 0x20) { 1121 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1122 sc->tulip_flags |= TULIP_DIDNWAY; 1123 } 1124#endif 1125 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1126 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1127 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1128 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1129 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1130 tulip_timeout(sc); 1131 return; 1132 } 1133 1134 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1135 return; 1136 1137 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1138#if defined(TULIP_DEBUG) 1139 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1140#endif 1141 tulip_linkup(sc, sc->tulip_probe_media); 1142 return; 1143 } 1144 1145 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1146 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1147 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1148 if (sc->tulip_revinfo >= 0x20) { 1149 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1150 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1151 } 1152 /* 1153 * If the link has passed LinkPass, 10baseT is the 1154 * proper media to use. 1155 */ 1156 tulip_linkup(sc, sc->tulip_probe_media); 1157 return; 1158 } 1159 1160 /* 1161 * wait for up to 2.4 seconds for the link to reach pass state. 1162 * Only then start scanning the other media for activity. 1163 * choose media with receive activity over those without. 1164 */ 1165 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1166 if (event != TULIP_MEDIAPOLL_TIMER) 1167 return; 1168 if (sc->tulip_probe_timeout > 0 1169 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1170 tulip_timeout(sc); 1171 return; 1172 } 1173 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1174 sc->tulip_flags |= TULIP_WANTRXACT; 1175 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1176 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1177 } else { 1178 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1179 } 1180 tulip_media_set(sc, sc->tulip_probe_media); 1181 tulip_timeout(sc); 1182 return; 1183 } 1184 1185 /* 1186 * If we failed, clear the txprobe active flag. 1187 */ 1188 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1189 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1190 1191 1192 if (event == TULIP_MEDIAPOLL_TIMER) { 1193 /* 1194 * If we've received something, then that's our link! 1195 */ 1196 if (sc->tulip_flags & TULIP_RXACT) { 1197 tulip_linkup(sc, sc->tulip_probe_media); 1198 return; 1199 } 1200 /* 1201 * if no txprobe active 1202 */ 1203 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1204 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1205 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1206 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1207 tulip_txprobe(sc); 1208 tulip_timeout(sc); 1209 return; 1210 } 1211 /* 1212 * Take 2 passes through before deciding to not 1213 * wait for receive activity. Then take another 1214 * two passes before spitting out a warning. 1215 */ 1216 if (sc->tulip_probe_timeout <= 0) { 1217 if (sc->tulip_flags & TULIP_WANTRXACT) { 1218 sc->tulip_flags &= ~TULIP_WANTRXACT; 1219 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1220 } else { 1221 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1222 TULIP_PRINTF_ARGS); 1223 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1224 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1225 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1226 return; 1227 } 1228 } 1229 } 1230 } 1231 1232 /* 1233 * Since this media failed to probe, try the other one. 1234 */ 1235 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1236 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1237 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1238 } else { 1239 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1240 } 1241 tulip_media_set(sc, sc->tulip_probe_media); 1242 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1243 tulip_timeout(sc); 1244} 1245 1246static const tulip_boardsw_t tulip_21041_boardsw = { 1247 TULIP_21041_GENERIC, 1248 tulip_21041_media_probe, 1249 tulip_media_select, 1250 tulip_21041_media_poll 1251}; 1252 1253static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1254 { 0x20005c00, 0, /* 08-00-17 */ 1255 { 1256 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1257 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1258 }, 1259#if defined(TULIP_DEBUG) 1260 "NS DP83840", 1261#endif 1262 }, 1263 { 0x0281F400, 0, /* 00-A0-7D */ 1264 { 1265 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1266 { }, /* 100TX */ 1267 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1268 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1269 }, 1270#if defined(TULIP_DEBUG) 1271 "Seeq 80C240" 1272#endif 1273 }, 1274#if 0 1275 { 0x0015F420, 0, /* 00-A0-7D */ 1276 { 1277 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1278 { }, /* 100TX */ 1279 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1280 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1281 }, 1282#if defined(TULIP_DEBUG) 1283 "Broadcom BCM5000" 1284#endif 1285 }, 1286#endif 1287 { 0x0281F400, 0, /* 00-A0-BE */ 1288 { 1289 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1290 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1291 { }, /* 100T4 */ 1292 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1293 }, 1294#if defined(TULIP_DEBUG) 1295 "ICS 1890" 1296#endif 1297 }, 1298 { 0 } 1299}; 1300 1301static tulip_media_t 1302tulip_mii_phy_readspecific( 1303 tulip_softc_t * const sc) 1304{ 1305 const tulip_phy_attr_t *attr; 1306 u_int16_t data; 1307 u_int32_t id; 1308 unsigned idx = 0; 1309 static const tulip_media_t table[] = { 1310 TULIP_MEDIA_UNKNOWN, 1311 TULIP_MEDIA_10BASET, 1312 TULIP_MEDIA_100BASETX, 1313 TULIP_MEDIA_100BASET4, 1314 TULIP_MEDIA_UNKNOWN, 1315 TULIP_MEDIA_10BASET_FD, 1316 TULIP_MEDIA_100BASETX_FD, 1317 TULIP_MEDIA_UNKNOWN 1318 }; 1319 1320 /* 1321 * Don't read phy specific registers if link is not up. 1322 */ 1323 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1324 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1325 return TULIP_MEDIA_UNKNOWN; 1326 1327 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1328 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1329 for (attr = tulip_mii_phy_attrlist;; attr++) { 1330 if (attr->attr_id == 0) 1331 return TULIP_MEDIA_UNKNOWN; 1332 if ((id & ~0x0F) == attr->attr_id) 1333 break; 1334 } 1335 1336 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1337 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1338 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1339 if ((data & pm->pm_mask) == pm->pm_value) 1340 idx = 2; 1341 } 1342 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1343 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1344 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1345 if ((data & pm->pm_mask) == pm->pm_value) 1346 idx = 3; 1347 } 1348 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1349 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1350 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1351 if ((data & pm->pm_mask) == pm->pm_value) 1352 idx = 1; 1353 } 1354 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1355 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1356 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1357 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1358 } 1359 return table[idx]; 1360} 1361 1362static unsigned 1363tulip_mii_get_phyaddr( 1364 tulip_softc_t * const sc, 1365 unsigned offset) 1366{ 1367 unsigned phyaddr; 1368 1369 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1370 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1371 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1372 continue; 1373 if (offset == 0) 1374 return phyaddr; 1375 offset--; 1376 } 1377 if (offset == 0) { 1378 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1379 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1380 return TULIP_MII_NOPHY; 1381 return 0; 1382 } 1383 return TULIP_MII_NOPHY; 1384} 1385 1386static int 1387tulip_mii_map_abilities( 1388 tulip_softc_t * const sc, 1389 unsigned abilities) 1390{ 1391 sc->tulip_abilities = abilities; 1392 if (abilities & PHYSTS_100BASETX_FD) { 1393 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1394 } else if (abilities & PHYSTS_100BASET4) { 1395 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1396 } else if (abilities & PHYSTS_100BASETX) { 1397 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1398 } else if (abilities & PHYSTS_10BASET_FD) { 1399 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1400 } else if (abilities & PHYSTS_10BASET) { 1401 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1402 } else { 1403 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1404 return 0; 1405 } 1406 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1407 return 1; 1408} 1409 1410static void 1411tulip_mii_autonegotiate( 1412 tulip_softc_t * const sc, 1413 const unsigned phyaddr) 1414{ 1415 switch (sc->tulip_probe_state) { 1416 case TULIP_PROBE_MEDIATEST: 1417 case TULIP_PROBE_INACTIVE: { 1418 sc->tulip_flags |= TULIP_DIDNWAY; 1419 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1420 sc->tulip_probe_timeout = 3000; 1421 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1422 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1423 /* FALL THROUGH */ 1424 } 1425 case TULIP_PROBE_PHYRESET: { 1426 u_int32_t status; 1427 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1428 if (data & PHYCTL_RESET) { 1429 if (sc->tulip_probe_timeout > 0) { 1430 tulip_timeout(sc); 1431 return; 1432 } 1433 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1434 TULIP_PRINTF_ARGS, phyaddr); 1435 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1436 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1437 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1438 return; 1439 } 1440 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1441 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1442#if defined(TULIP_DEBUG) 1443 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1444 TULIP_PRINTF_ARGS, phyaddr); 1445#endif 1446 sc->tulip_flags &= ~TULIP_DIDNWAY; 1447 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1448 return; 1449 } 1450 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1451 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1452 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1453 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1454#if defined(TULIP_DEBUG) 1455 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1456 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1457 TULIP_PRINTF_ARGS, phyaddr, data); 1458 else 1459 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1460 TULIP_PRINTF_ARGS, phyaddr, data); 1461 sc->tulip_dbg.dbg_nway_starts++; 1462#endif 1463 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1464 sc->tulip_probe_timeout = 3000; 1465 /* FALL THROUGH */ 1466 } 1467 case TULIP_PROBE_PHYAUTONEG: { 1468 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1469 u_int32_t data; 1470 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1471 if (sc->tulip_probe_timeout > 0) { 1472 tulip_timeout(sc); 1473 return; 1474 } 1475#if defined(TULIP_DEBUG) 1476 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1477 TULIP_PRINTF_ARGS, phyaddr, status, 1478 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1479#endif 1480 sc->tulip_flags &= ~TULIP_DIDNWAY; 1481 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1482 return; 1483 } 1484 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1485#if defined(TULIP_DEBUG) 1486 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1487 TULIP_PRINTF_ARGS, phyaddr, data); 1488#endif 1489 data = (data << 6) & status; 1490 if (!tulip_mii_map_abilities(sc, data)) 1491 sc->tulip_flags &= ~TULIP_DIDNWAY; 1492 return; 1493 } 1494 default: { 1495#if defined(DIAGNOSTIC) 1496 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1497#endif 1498 break; 1499 } 1500 } 1501#if defined(TULIP_DEBUG) 1502 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1503 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1504 sc->tulip_dbg.dbg_nway_failures++; 1505#endif 1506} 1507 1508static void 1509tulip_2114x_media_preset( 1510 tulip_softc_t * const sc) 1511{ 1512 const tulip_media_info_t *mi = NULL; 1513 tulip_media_t media = sc->tulip_media; 1514 1515 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1516 media = sc->tulip_media; 1517 else 1518 media = sc->tulip_probe_media; 1519 1520 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1521 sc->tulip_flags &= ~TULIP_SQETEST; 1522 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1523#if defined(TULIP_DEBUG) 1524 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1525#endif 1526 mi = sc->tulip_mediums[media]; 1527 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1528 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1529 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1530 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1531 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1532 sc->tulip_cmdmode |= mi->mi_cmdmode; 1533 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1534 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1535 } 1536#if defined(TULIP_DEBUG) 1537 } else { 1538 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1539 TULIP_PRINTF_ARGS, media); 1540 } 1541#endif 1542 } 1543 switch (media) { 1544 case TULIP_MEDIA_BNC: 1545 case TULIP_MEDIA_AUI: 1546 case TULIP_MEDIA_10BASET: { 1547 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1548 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1549 sc->tulip_if.if_baudrate = 10000000; 1550 sc->tulip_flags |= TULIP_SQETEST; 1551 break; 1552 } 1553 case TULIP_MEDIA_10BASET_FD: { 1554 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1555 sc->tulip_if.if_baudrate = 10000000; 1556 break; 1557 } 1558 case TULIP_MEDIA_100BASEFX: 1559 case TULIP_MEDIA_100BASET4: 1560 case TULIP_MEDIA_100BASETX: { 1561 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1562 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1563 sc->tulip_if.if_baudrate = 100000000; 1564 break; 1565 } 1566 case TULIP_MEDIA_100BASEFX_FD: 1567 case TULIP_MEDIA_100BASETX_FD: { 1568 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1569 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1570 sc->tulip_if.if_baudrate = 100000000; 1571 break; 1572 } 1573 default: { 1574 break; 1575 } 1576 } 1577 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1578} 1579 1580/* 1581 ******************************************************************** 1582 * Start of 21140/21140A support which does not use the MII interface 1583 */ 1584 1585static void 1586tulip_null_media_poll( 1587 tulip_softc_t * const sc, 1588 tulip_mediapoll_event_t event) 1589{ 1590#if defined(TULIP_DEBUG) 1591 sc->tulip_dbg.dbg_events[event]++; 1592#endif 1593#if defined(DIAGNOSTIC) 1594 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1595 TULIP_PRINTF_ARGS, __LINE__); 1596#endif 1597} 1598 1599__inline__ static void 1600tulip_21140_mediainit( 1601 tulip_softc_t * const sc, 1602 tulip_media_info_t * const mip, 1603 tulip_media_t const media, 1604 unsigned gpdata, 1605 unsigned cmdmode) 1606{ 1607 sc->tulip_mediums[media] = mip; 1608 mip->mi_type = TULIP_MEDIAINFO_GPR; 1609 mip->mi_cmdmode = cmdmode; 1610 mip->mi_gpdata = gpdata; 1611} 1612 1613static void 1614tulip_21140_evalboard_media_probe( 1615 tulip_softc_t * const sc) 1616{ 1617 tulip_media_info_t *mip = sc->tulip_mediainfo; 1618 1619 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1620 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1621 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1622 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1623 TULIP_CSR_WRITE(sc, csr_command, 1624 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1625 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1626 TULIP_CSR_WRITE(sc, csr_command, 1627 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1628 DELAY(1000000); 1629 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1630 sc->tulip_media = TULIP_MEDIA_10BASET; 1631 } else { 1632 sc->tulip_media = TULIP_MEDIA_100BASETX; 1633 } 1634 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1635 TULIP_GP_EB_INIT, 1636 TULIP_CMD_TXTHRSHLDCTL); 1637 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1638 TULIP_GP_EB_INIT, 1639 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1640 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1641 TULIP_GP_EB_INIT, 1642 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1643 |TULIP_CMD_SCRAMBLER); 1644 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1645 TULIP_GP_EB_INIT, 1646 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1647 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1648} 1649 1650static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1651 TULIP_21140_DEC_EB, 1652 tulip_21140_evalboard_media_probe, 1653 tulip_media_select, 1654 tulip_null_media_poll, 1655 tulip_2114x_media_preset, 1656}; 1657 1658static void 1659tulip_21140_accton_media_probe( 1660 tulip_softc_t * const sc) 1661{ 1662 tulip_media_info_t *mip = sc->tulip_mediainfo; 1663 unsigned gpdata; 1664 1665 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1666 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1667 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1668 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1669 TULIP_CSR_WRITE(sc, csr_command, 1670 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1671 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1672 TULIP_CSR_WRITE(sc, csr_command, 1673 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1674 DELAY(1000000); 1675 gpdata = TULIP_CSR_READ(sc, csr_gp); 1676 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1677 sc->tulip_media = TULIP_MEDIA_10BASET; 1678 } else { 1679 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1680 sc->tulip_media = TULIP_MEDIA_BNC; 1681 } else { 1682 sc->tulip_media = TULIP_MEDIA_100BASETX; 1683 } 1684 } 1685 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1686 TULIP_GP_EN1207_BNC_INIT, 1687 TULIP_CMD_TXTHRSHLDCTL); 1688 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1689 TULIP_GP_EN1207_UTP_INIT, 1690 TULIP_CMD_TXTHRSHLDCTL); 1691 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1692 TULIP_GP_EN1207_UTP_INIT, 1693 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1694 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1695 TULIP_GP_EN1207_100_INIT, 1696 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1697 |TULIP_CMD_SCRAMBLER); 1698 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1699 TULIP_GP_EN1207_100_INIT, 1700 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1701 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1702} 1703 1704static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1705 TULIP_21140_EN1207, 1706 tulip_21140_accton_media_probe, 1707 tulip_media_select, 1708 tulip_null_media_poll, 1709 tulip_2114x_media_preset, 1710}; 1711 1712static void 1713tulip_21140_smc9332_media_probe( 1714 tulip_softc_t * const sc) 1715{ 1716 tulip_media_info_t *mip = sc->tulip_mediainfo; 1717 int idx, cnt = 0; 1718 1719 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1720 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1721 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1722 33MHz that comes to two microseconds but wait a 1723 bit longer anyways) */ 1724 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1725 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1726 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1727 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1728 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1729 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1730 DELAY(200000); 1731 for (idx = 1000; idx > 0; idx--) { 1732 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1733 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1734 if (++cnt > 100) 1735 break; 1736 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1737 break; 1738 } else { 1739 cnt = 0; 1740 } 1741 DELAY(1000); 1742 } 1743 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1744 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1745 TULIP_GP_SMC_9332_INIT, 1746 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1747 |TULIP_CMD_SCRAMBLER); 1748 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1749 TULIP_GP_SMC_9332_INIT, 1750 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1751 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1752 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1753 TULIP_GP_SMC_9332_INIT, 1754 TULIP_CMD_TXTHRSHLDCTL); 1755 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1756 TULIP_GP_SMC_9332_INIT, 1757 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1758} 1759 1760static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1761 TULIP_21140_SMC_9332, 1762 tulip_21140_smc9332_media_probe, 1763 tulip_media_select, 1764 tulip_null_media_poll, 1765 tulip_2114x_media_preset, 1766}; 1767 1768static void 1769tulip_21140_cogent_em100_media_probe( 1770 tulip_softc_t * const sc) 1771{ 1772 tulip_media_info_t *mip = sc->tulip_mediainfo; 1773 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1774 1775 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1776 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1777 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1778 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1779 1780 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1781 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1782 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1783 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1784 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1785 1786 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1787 TULIP_GP_EM100_INIT, 1788 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1789 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1790 TULIP_GP_EM100_INIT, 1791 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1792 |TULIP_CMD_FULLDUPLEX); 1793 } else { 1794 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1795 sc->tulip_media = TULIP_MEDIA_100BASETX; 1796 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1797 TULIP_GP_EM100_INIT, 1798 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1799 |TULIP_CMD_SCRAMBLER); 1800 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1801 TULIP_GP_EM100_INIT, 1802 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1803 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1804 } 1805} 1806 1807static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1808 TULIP_21140_COGENT_EM100, 1809 tulip_21140_cogent_em100_media_probe, 1810 tulip_media_select, 1811 tulip_null_media_poll, 1812 tulip_2114x_media_preset 1813}; 1814 1815static void 1816tulip_21140_znyx_zx34x_media_probe( 1817 tulip_softc_t * const sc) 1818{ 1819 tulip_media_info_t *mip = sc->tulip_mediainfo; 1820 int cnt10 = 0, cnt100 = 0, idx; 1821 1822 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1823 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1824 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1825 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1826 TULIP_CSR_WRITE(sc, csr_command, 1827 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1828 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1829 TULIP_CSR_WRITE(sc, csr_command, 1830 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1831 1832 DELAY(200000); 1833 for (idx = 1000; idx > 0; idx--) { 1834 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1835 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)) { 1836 if (++cnt100 > 100) 1837 break; 1838 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1839 if (++cnt10 > 100) 1840 break; 1841 } else { 1842 cnt10 = 0; 1843 cnt100 = 0; 1844 } 1845 DELAY(1000); 1846 } 1847 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1848 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1849 TULIP_GP_ZX34X_INIT, 1850 TULIP_CMD_TXTHRSHLDCTL); 1851 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1852 TULIP_GP_ZX34X_INIT, 1853 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1854 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1855 TULIP_GP_ZX34X_INIT, 1856 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1857 |TULIP_CMD_SCRAMBLER); 1858 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1859 TULIP_GP_ZX34X_INIT, 1860 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1861 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1862} 1863 1864static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1865 TULIP_21140_ZNYX_ZX34X, 1866 tulip_21140_znyx_zx34x_media_probe, 1867 tulip_media_select, 1868 tulip_null_media_poll, 1869 tulip_2114x_media_preset, 1870}; 1871 1872static void 1873tulip_2114x_media_probe( 1874 tulip_softc_t * const sc) 1875{ 1876 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1877 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1878} 1879 1880static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1881 TULIP_21140_ISV, 1882 tulip_2114x_media_probe, 1883 tulip_media_select, 1884 tulip_media_poll, 1885 tulip_2114x_media_preset, 1886}; 1887 1888/* 1889 * ******** END of chip-specific handlers. *********** 1890 */ 1891 1892/* 1893 * Code the read the SROM and MII bit streams (I2C) 1894 */ 1895static void 1896tulip_delay_300ns( 1897 tulip_softc_t * const sc) 1898{ 1899 int idx; 1900 for (idx = (300 / 33) + 1; idx > 0; idx--) 1901 (void) TULIP_CSR_READ(sc, csr_busmode); 1902} 1903 1904#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1905 1906static void 1907tulip_srom_idle( 1908 tulip_softc_t * const sc) 1909{ 1910 unsigned bit, csr; 1911 1912 csr = SROMSEL ; EMIT; 1913 csr = SROMSEL | SROMRD; EMIT; 1914 csr ^= SROMCS; EMIT; 1915 csr ^= SROMCLKON; EMIT; 1916 1917 /* 1918 * Write 25 cycles of 0 which will force the SROM to be idle. 1919 */ 1920 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1921 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1922 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1923 } 1924 csr ^= SROMCLKOFF; EMIT; 1925 csr ^= SROMCS; EMIT; 1926 csr = 0; EMIT; 1927} 1928 1929 1930static void 1931tulip_srom_read( 1932 tulip_softc_t * const sc) 1933{ 1934 unsigned idx; 1935 const unsigned bitwidth = SROM_BITWIDTH; 1936 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1937 const unsigned msb = 1 << (bitwidth + 3 - 1); 1938 unsigned lastidx = (1 << bitwidth) - 1; 1939 1940 tulip_srom_idle(sc); 1941 1942 for (idx = 0; idx <= lastidx; idx++) { 1943 unsigned lastbit, data, bits, bit, csr; 1944 csr = SROMSEL ; EMIT; 1945 csr = SROMSEL | SROMRD; EMIT; 1946 csr ^= SROMCSON; EMIT; 1947 csr ^= SROMCLKON; EMIT; 1948 1949 lastbit = 0; 1950 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1951 const unsigned thisbit = bits & msb; 1952 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1953 if (thisbit != lastbit) { 1954 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1955 } else { 1956 EMIT; 1957 } 1958 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1959 lastbit = thisbit; 1960 } 1961 csr ^= SROMCLKOFF; EMIT; 1962 1963 for (data = 0, bits = 0; bits < 16; bits++) { 1964 data <<= 1; 1965 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1966 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1967 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1968 } 1969 sc->tulip_rombuf[idx*2] = data & 0xFF; 1970 sc->tulip_rombuf[idx*2+1] = data >> 8; 1971 csr = SROMSEL | SROMRD; EMIT; 1972 csr = 0; EMIT; 1973 } 1974 tulip_srom_idle(sc); 1975} 1976 1977#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1978 1979static void 1980tulip_mii_writebits( 1981 tulip_softc_t * const sc, 1982 unsigned data, 1983 unsigned bits) 1984{ 1985 unsigned msb = 1 << (bits - 1); 1986 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1987 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1988 1989 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1990 1991 for (; bits > 0; bits--, data <<= 1) { 1992 const unsigned thisbit = data & msb; 1993 if (thisbit != lastbit) { 1994 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1995 } 1996 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1997 lastbit = thisbit; 1998 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1999 } 2000} 2001 2002static void 2003tulip_mii_turnaround( 2004 tulip_softc_t * const sc, 2005 unsigned cmd) 2006{ 2007 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2008 2009 if (cmd == MII_WRCMD) { 2010 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 2011 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2012 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2013 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2014 } else { 2015 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2016 } 2017 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2018 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2019} 2020 2021static unsigned 2022tulip_mii_readbits( 2023 tulip_softc_t * const sc) 2024{ 2025 unsigned data; 2026 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2027 int idx; 2028 2029 for (idx = 0, data = 0; idx < 16; idx++) { 2030 data <<= 1; /* this is NOOP on the first pass through */ 2031 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2032 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2033 data |= 1; 2034 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2035 } 2036 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2037 2038 return data; 2039} 2040 2041static unsigned 2042tulip_mii_readreg( 2043 tulip_softc_t * const sc, 2044 unsigned devaddr, 2045 unsigned regno) 2046{ 2047 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2048 unsigned data; 2049 2050 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2051 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2052 tulip_mii_writebits(sc, MII_RDCMD, 8); 2053 tulip_mii_writebits(sc, devaddr, 5); 2054 tulip_mii_writebits(sc, regno, 5); 2055 tulip_mii_turnaround(sc, MII_RDCMD); 2056 2057 data = tulip_mii_readbits(sc); 2058#if defined(TULIP_DEBUG) 2059 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2060 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2061#endif 2062 return data; 2063} 2064 2065static void 2066tulip_mii_writereg( 2067 tulip_softc_t * const sc, 2068 unsigned devaddr, 2069 unsigned regno, 2070 unsigned data) 2071{ 2072 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2073 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2074 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2075 tulip_mii_writebits(sc, MII_WRCMD, 8); 2076 tulip_mii_writebits(sc, devaddr, 5); 2077 tulip_mii_writebits(sc, regno, 5); 2078 tulip_mii_turnaround(sc, MII_WRCMD); 2079 tulip_mii_writebits(sc, data, 16); 2080#if defined(TULIP_DEBUG) 2081 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2082 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2083#endif 2084} 2085 2086#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2087#define tulip_srom_crcok(databuf) ( \ 2088 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2089 ((databuf)[126] | ((databuf)[127] << 8))) 2090 2091static unsigned 2092tulip_crc32( 2093 const unsigned char *databuf, 2094 size_t datalen) 2095{ 2096 u_int idx, crc = 0xFFFFFFFFUL; 2097 static const u_int crctab[] = { 2098 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2099 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2100 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2101 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2102 }; 2103 2104 for (idx = 0; idx < datalen; idx++) { 2105 crc ^= *databuf++; 2106 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2107 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2108 } 2109 return crc; 2110} 2111 2112static void 2113tulip_identify_dec_nic( 2114 tulip_softc_t * const sc) 2115{ 2116 strcpy(sc->tulip_boardid, "DEC "); 2117#define D0 4 2118 if (sc->tulip_chipid <= TULIP_DE425) 2119 return; 2120 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2121 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2122 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2123 sc->tulip_boardid[D0+8] = ' '; 2124 } 2125#undef D0 2126} 2127 2128static void 2129tulip_identify_znyx_nic( 2130 tulip_softc_t * const sc) 2131{ 2132 unsigned id = 0; 2133 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2134 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2135 unsigned znyx_ptr; 2136 sc->tulip_boardid[8] = '4'; 2137 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2138 if (znyx_ptr < 26 || znyx_ptr > 116) { 2139 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2140 return; 2141 } 2142 /* ZX344 = 0010 .. 0013FF 2143 */ 2144 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2145 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2146 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2147 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2148 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2149 sc->tulip_boardid[9] = '2'; 2150 if (id == TULIP_ZNYX_ID_ZX342B) { 2151 sc->tulip_boardid[10] = 'B'; 2152 sc->tulip_boardid[11] = ' '; 2153 } 2154 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2155 } else if (id == TULIP_ZNYX_ID_ZX344) { 2156 sc->tulip_boardid[10] = '4'; 2157 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2158 } else if (id == TULIP_ZNYX_ID_ZX345) { 2159 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2160 } else if (id == TULIP_ZNYX_ID_ZX346) { 2161 sc->tulip_boardid[9] = '6'; 2162 } else if (id == TULIP_ZNYX_ID_ZX351) { 2163 sc->tulip_boardid[8] = '5'; 2164 sc->tulip_boardid[9] = '1'; 2165 } 2166 } 2167 if (id == 0) { 2168 /* 2169 * Assume it's a ZX342... 2170 */ 2171 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2172 } 2173 return; 2174 } 2175 sc->tulip_boardid[8] = '1'; 2176 if (sc->tulip_chipid == TULIP_21041) { 2177 sc->tulip_boardid[10] = '1'; 2178 return; 2179 } 2180 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2181 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2182 if (id == TULIP_ZNYX_ID_ZX312T) { 2183 sc->tulip_boardid[9] = '2'; 2184 sc->tulip_boardid[10] = 'T'; 2185 sc->tulip_boardid[11] = ' '; 2186 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2187 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2188 sc->tulip_boardid[9] = '4'; 2189 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2190 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2191 } else if (id == TULIP_ZNYX_ID_ZX314) { 2192 sc->tulip_boardid[9] = '4'; 2193 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2194 sc->tulip_features |= TULIP_HAVE_BASEROM; 2195 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2196 sc->tulip_boardid[9] = '5'; 2197 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2198 } else if (id == TULIP_ZNYX_ID_ZX315) { 2199 sc->tulip_boardid[9] = '5'; 2200 sc->tulip_features |= TULIP_HAVE_BASEROM; 2201 } else { 2202 id = 0; 2203 } 2204 } 2205 if (id == 0) { 2206 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2207 sc->tulip_boardid[9] = '4'; 2208 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2209 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2210 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2211 sc->tulip_boardid[9] = '5'; 2212 sc->tulip_boardsw = &tulip_21040_boardsw; 2213 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2214 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2215 sc->tulip_boardid[9] = '2'; 2216 sc->tulip_boardsw = &tulip_21040_boardsw; 2217 } 2218 } 2219} 2220 2221static void 2222tulip_identify_smc_nic( 2223 tulip_softc_t * const sc) 2224{ 2225 u_int32_t id1, id2, ei; 2226 int auibnc = 0, utp = 0; 2227 char *cp; 2228 2229 strcpy(sc->tulip_boardid, "SMC "); 2230 if (sc->tulip_chipid == TULIP_21041) 2231 return; 2232 if (sc->tulip_chipid != TULIP_21040) { 2233 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2234 strcpy(&sc->tulip_boardid[4], "9332DST "); 2235 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2236 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2237 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2238 } else { 2239 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2240 } 2241 return; 2242 } 2243 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2244 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2245 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2246 2247 strcpy(&sc->tulip_boardid[4], "8432"); 2248 cp = &sc->tulip_boardid[8]; 2249 if ((id1 & 1) == 0) 2250 *cp++ = 'B', auibnc = 1; 2251 if ((id1 & 0xFF) > 0x32) 2252 *cp++ = 'T', utp = 1; 2253 if ((id1 & 0x4000) == 0) 2254 *cp++ = 'A', auibnc = 1; 2255 if (id2 == 0x15) { 2256 sc->tulip_boardid[7] = '4'; 2257 *cp++ = '-'; 2258 *cp++ = 'C'; 2259 *cp++ = 'H'; 2260 *cp++ = (ei ? '2' : '1'); 2261 } 2262 *cp++ = ' '; 2263 *cp = '\0'; 2264 if (utp && !auibnc) 2265 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2266 else if (!utp && auibnc) 2267 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2268} 2269 2270static void 2271tulip_identify_cogent_nic( 2272 tulip_softc_t * const sc) 2273{ 2274 strcpy(sc->tulip_boardid, "Cogent "); 2275 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2276 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2277 strcat(sc->tulip_boardid, "EM100TX "); 2278 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2279#if defined(TULIP_COGENT_EM110TX_ID) 2280 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2281 strcat(sc->tulip_boardid, "EM110TX "); 2282 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2283#endif 2284 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2285 strcat(sc->tulip_boardid, "EM100FX "); 2286 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2287 } 2288 /* 2289 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2290 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2291 */ 2292 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2293 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2294 /* 2295 * Cogent (Adaptec) is still mapping all INTs to INTA of 2296 * first 21140. Dumb! Dumb! 2297 */ 2298 strcat(sc->tulip_boardid, "EM440TX "); 2299 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2300 } 2301 } else if (sc->tulip_chipid == TULIP_21040) { 2302 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2303 } 2304} 2305 2306static void 2307tulip_identify_accton_nic( 2308 tulip_softc_t * const sc) 2309{ 2310 strcpy(sc->tulip_boardid, "ACCTON "); 2311 switch (sc->tulip_chipid) { 2312 case TULIP_21140A: 2313 strcat(sc->tulip_boardid, "EN1207 "); 2314 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2315 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2316 break; 2317 case TULIP_21140: 2318 strcat(sc->tulip_boardid, "EN1207TX "); 2319 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2320 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2321 break; 2322 case TULIP_21040: 2323 strcat(sc->tulip_boardid, "EN1203 "); 2324 sc->tulip_boardsw = &tulip_21040_boardsw; 2325 break; 2326 case TULIP_21041: 2327 strcat(sc->tulip_boardid, "EN1203 "); 2328 sc->tulip_boardsw = &tulip_21041_boardsw; 2329 break; 2330 default: 2331 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2332 break; 2333 } 2334} 2335 2336static void 2337tulip_identify_asante_nic( 2338 tulip_softc_t * const sc) 2339{ 2340 strcpy(sc->tulip_boardid, "Asante "); 2341 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2342 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2343 tulip_media_info_t *mi = sc->tulip_mediainfo; 2344 int idx; 2345 /* 2346 * The Asante Fast Ethernet doesn't always ship with a valid 2347 * new format SROM. So if isn't in the new format, we cheat 2348 * set it up as if we had. 2349 */ 2350 2351 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2352 sc->tulip_gpdata = 0; 2353 2354 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2355 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2356 DELAY(100); 2357 TULIP_CSR_WRITE(sc, csr_gp, 0); 2358 2359 mi->mi_type = TULIP_MEDIAINFO_MII; 2360 mi->mi_gpr_length = 0; 2361 mi->mi_gpr_offset = 0; 2362 mi->mi_reset_length = 0; 2363 mi->mi_reset_offset = 0;; 2364 2365 mi->mi_phyaddr = TULIP_MII_NOPHY; 2366 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2367 DELAY(10000); 2368 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2369 } 2370 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2371 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2372 return; 2373 } 2374 2375 sc->tulip_features |= TULIP_HAVE_MII; 2376 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2377 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2378 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2379 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2380 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2381 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2382 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2383 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2384 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2385 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2386 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2387 2388 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2389 } 2390} 2391 2392static int 2393tulip_srom_decode( 2394 tulip_softc_t * const sc) 2395{ 2396 unsigned idx1, idx2, idx3; 2397 2398 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2399 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2400 tulip_srom_media_t srom_media; 2401 tulip_media_info_t *mi = sc->tulip_mediainfo; 2402 const u_int8_t *dp; 2403 u_int32_t leaf_offset, blocks, data; 2404 2405 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2406 if (shp->sh_adapter_count == 1) 2407 break; 2408 if (saip->sai_device == sc->tulip_pci_devno) 2409 break; 2410 } 2411 /* 2412 * Didn't find the right media block for this card. 2413 */ 2414 if (idx1 == shp->sh_adapter_count) 2415 return 0; 2416 2417 /* 2418 * Save the hardware address. 2419 */ 2420 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2421 /* 2422 * If this is a multiple port card, add the adapter index to the last 2423 * byte of the hardware address. (if it isn't multiport, adding 0 2424 * won't hurt. 2425 */ 2426 sc->tulip_enaddr[5] += idx1; 2427 2428 leaf_offset = saip->sai_leaf_offset_lowbyte 2429 + saip->sai_leaf_offset_highbyte * 256; 2430 dp = sc->tulip_rombuf + leaf_offset; 2431 2432 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2433 2434 for (idx2 = 0;; idx2++) { 2435 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2436 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2437 break; 2438 } 2439 sc->tulip_connidx = idx2; 2440 2441 if (sc->tulip_chipid == TULIP_21041) { 2442 blocks = *dp++; 2443 for (idx2 = 0; idx2 < blocks; idx2++) { 2444 tulip_media_t media; 2445 data = *dp++; 2446 srom_media = (tulip_srom_media_t) (data & 0x3F); 2447 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2448 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2449 break; 2450 } 2451 media = tulip_srom_mediums[idx3].sm_type; 2452 if (media != TULIP_MEDIA_UNKNOWN) { 2453 if (data & TULIP_SROM_21041_EXTENDED) { 2454 mi->mi_type = TULIP_MEDIAINFO_SIA; 2455 sc->tulip_mediums[media] = mi; 2456 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2457 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2458 mi->mi_sia_general = dp[4] + dp[5] * 256; 2459 mi++; 2460 } else { 2461 switch (media) { 2462 case TULIP_MEDIA_BNC: { 2463 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2464 mi++; 2465 break; 2466 } 2467 case TULIP_MEDIA_AUI: { 2468 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2469 mi++; 2470 break; 2471 } 2472 case TULIP_MEDIA_10BASET: { 2473 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2474 mi++; 2475 break; 2476 } 2477 case TULIP_MEDIA_10BASET_FD: { 2478 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2479 mi++; 2480 break; 2481 } 2482 default: { 2483 break; 2484 } 2485 } 2486 } 2487 } 2488 if (data & TULIP_SROM_21041_EXTENDED) 2489 dp += 6; 2490 } 2491#ifdef notdef 2492 if (blocks == 0) { 2493 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2494 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2495 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2496 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2497 } 2498#endif 2499 } else { 2500 unsigned length, type; 2501 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2502 if (sc->tulip_features & TULIP_HAVE_GPR) 2503 sc->tulip_gpinit = *dp++; 2504 blocks = *dp++; 2505 for (idx2 = 0; idx2 < blocks; idx2++) { 2506 const u_int8_t *ep; 2507 if ((*dp & 0x80) == 0) { 2508 length = 4; 2509 type = 0; 2510 } else { 2511 length = (*dp++ & 0x7f) - 1; 2512 type = *dp++ & 0x3f; 2513 } 2514 ep = dp + length; 2515 switch (type & 0x3f) { 2516 case 0: { /* 21140[A] GPR block */ 2517 tulip_media_t media; 2518 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2519 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2520 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2521 break; 2522 } 2523 media = tulip_srom_mediums[idx3].sm_type; 2524 if (media == TULIP_MEDIA_UNKNOWN) 2525 break; 2526 mi->mi_type = TULIP_MEDIAINFO_GPR; 2527 sc->tulip_mediums[media] = mi; 2528 mi->mi_gpdata = dp[1]; 2529 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2530 sc->tulip_gpdata = mi->mi_gpdata; 2531 gp_media = media; 2532 } 2533 data = dp[2] + dp[3] * 256; 2534 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2535 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2536 mi->mi_actmask = 0; 2537 } else { 2538#if 0 2539 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2540#endif 2541 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2542 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2543 } 2544 mi++; 2545 break; 2546 } 2547 case 1: { /* 21140[A] MII block */ 2548 const unsigned phyno = *dp++; 2549 mi->mi_type = TULIP_MEDIAINFO_MII; 2550 mi->mi_gpr_length = *dp++; 2551 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2552 dp += mi->mi_gpr_length; 2553 mi->mi_reset_length = *dp++; 2554 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2555 dp += mi->mi_reset_length; 2556 2557 /* 2558 * Before we probe for a PHY, use the GPR information 2559 * to select it. If we don't, it may be inaccessible. 2560 */ 2561 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2562 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2563 DELAY(10); 2564 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2565 } 2566 sc->tulip_phyaddr = mi->mi_phyaddr; 2567 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2568 DELAY(10); 2569 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2570 } 2571 2572 /* 2573 * At least write something! 2574 */ 2575 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2576 TULIP_CSR_WRITE(sc, csr_gp, 0); 2577 2578 mi->mi_phyaddr = TULIP_MII_NOPHY; 2579 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2580 DELAY(10000); 2581 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2582 } 2583 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2584#if defined(TULIP_DEBUG) 2585 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2586 TULIP_PRINTF_ARGS, phyno); 2587#endif 2588 break; 2589 } 2590 sc->tulip_features |= TULIP_HAVE_MII; 2591 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2592 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2593 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2594 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2595 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2596 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2597 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2598 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2599 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2600 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2601 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2602 mi++; 2603 break; 2604 } 2605 case 2: { /* 2114[23] SIA block */ 2606 tulip_media_t media; 2607 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2608 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2609 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2610 break; 2611 } 2612 media = tulip_srom_mediums[idx3].sm_type; 2613 if (media == TULIP_MEDIA_UNKNOWN) 2614 break; 2615 mi->mi_type = TULIP_MEDIAINFO_SIA; 2616 sc->tulip_mediums[media] = mi; 2617 if (dp[0] & 0x40) { 2618 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2619 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2620 mi->mi_sia_general = dp[5] + dp[6] * 256; 2621 dp += 6; 2622 } else { 2623 switch (media) { 2624 case TULIP_MEDIA_BNC: { 2625 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2626 break; 2627 } 2628 case TULIP_MEDIA_AUI: { 2629 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2630 break; 2631 } 2632 case TULIP_MEDIA_10BASET: { 2633 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2634 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2635 break; 2636 } 2637 case TULIP_MEDIA_10BASET_FD: { 2638 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2639 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2640 break; 2641 } 2642 default: { 2643 goto bad_media; 2644 } 2645 } 2646 } 2647 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2648 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2649 mi++; 2650 bad_media: 2651 break; 2652 } 2653 case 3: { /* 2114[23] MII PHY block */ 2654 const unsigned phyno = *dp++; 2655 const u_int8_t *dp0; 2656 mi->mi_type = TULIP_MEDIAINFO_MII; 2657 mi->mi_gpr_length = *dp++; 2658 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2659 dp += 2 * mi->mi_gpr_length; 2660 mi->mi_reset_length = *dp++; 2661 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2662 dp += 2 * mi->mi_reset_length; 2663 2664 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2665 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2666 DELAY(10); 2667 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2668 } 2669 sc->tulip_phyaddr = mi->mi_phyaddr; 2670 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2671 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2672 DELAY(10); 2673 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2674 } 2675 2676 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2677 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2678 2679 mi->mi_phyaddr = TULIP_MII_NOPHY; 2680 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2681 DELAY(10000); 2682 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2683 } 2684 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2685#if defined(TULIP_DEBUG) 2686 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2687 TULIP_PRINTF_ARGS, phyno); 2688#endif 2689 break; 2690 } 2691 sc->tulip_features |= TULIP_HAVE_MII; 2692 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2693 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2694 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2695 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2696 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2697 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2698 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2699 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2700 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2701 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2702 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2703 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2704 mi++; 2705 break; 2706 } 2707 case 4: { /* 21143 SYM block */ 2708 tulip_media_t media; 2709 srom_media = (tulip_srom_media_t) dp[0]; 2710 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2711 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2712 break; 2713 } 2714 media = tulip_srom_mediums[idx3].sm_type; 2715 if (media == TULIP_MEDIA_UNKNOWN) 2716 break; 2717 mi->mi_type = TULIP_MEDIAINFO_SYM; 2718 sc->tulip_mediums[media] = mi; 2719 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2720 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2721 data = dp[5] + dp[6] * 256; 2722 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2723 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2724 mi->mi_actmask = 0; 2725 } else { 2726 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2727 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2728 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2729 } 2730 if (TULIP_IS_MEDIA_TP(media)) 2731 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2732 mi++; 2733 break; 2734 } 2735#if 0 2736 case 5: { /* 21143 Reset block */ 2737 mi->mi_type = TULIP_MEDIAINFO_RESET; 2738 mi->mi_reset_length = *dp++; 2739 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2740 dp += 2 * mi->mi_reset_length; 2741 mi++; 2742 break; 2743 } 2744#endif 2745 default: { 2746 } 2747 } 2748 dp = ep; 2749 } 2750 } 2751 return mi - sc->tulip_mediainfo; 2752} 2753 2754static const struct { 2755 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2756 unsigned char vendor_oui[3]; 2757} tulip_vendors[] = { 2758 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2759 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2760 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2761 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2762 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2763 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2764 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2765 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2766 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2767 { NULL } 2768}; 2769 2770/* 2771 * This deals with the vagaries of the address roms and the 2772 * brain-deadness that various vendors commit in using them. 2773 */ 2774static int 2775tulip_read_macaddr( 2776 tulip_softc_t * const sc) 2777{ 2778 unsigned cksum, rom_cksum, idx; 2779 u_int32_t csr; 2780 unsigned char tmpbuf[8]; 2781 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2782 2783 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2784 2785 if (sc->tulip_chipid == TULIP_21040) { 2786 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2787 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2788 int cnt = 0; 2789 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2790 cnt++; 2791 sc->tulip_rombuf[idx] = csr & 0xFF; 2792 } 2793 sc->tulip_boardsw = &tulip_21040_boardsw; 2794#if defined(TULIP_EISA) 2795 } else if (sc->tulip_chipid == TULIP_DE425) { 2796 int cnt; 2797 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2798 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2799 if (tmpbuf[idx] == testpat[idx]) 2800 ++idx; 2801 else 2802 idx = 0; 2803 } 2804 for (idx = 0; idx < 32; idx++) 2805 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2806 sc->tulip_boardsw = &tulip_21040_boardsw; 2807#endif /* TULIP_EISA */ 2808 } else { 2809 if (sc->tulip_chipid == TULIP_21041) { 2810 /* 2811 * Thankfully all 21041's act the same. 2812 */ 2813 sc->tulip_boardsw = &tulip_21041_boardsw; 2814 } else { 2815 /* 2816 * Assume all 21140 board are compatible with the 2817 * DEC 10/100 evaluation board. Not really valid but 2818 * it's the best we can do until every one switches to 2819 * the new SROM format. 2820 */ 2821 2822 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2823 } 2824 tulip_srom_read(sc); 2825 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2826 /* 2827 * SROM CRC is valid therefore it must be in the 2828 * new format. 2829 */ 2830 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2831 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2832 /* 2833 * No checksum is present. See if the SROM id checks out; 2834 * the first 18 bytes should be 0 followed by a 1 followed 2835 * by the number of adapters (which we don't deal with yet). 2836 */ 2837 for (idx = 0; idx < 18; idx++) { 2838 if (sc->tulip_rombuf[idx] != 0) 2839 break; 2840 } 2841 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2842 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2843 } else if (sc->tulip_chipid >= TULIP_21142) { 2844 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2845 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2846 } 2847 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2848 if (sc->tulip_chipid != TULIP_21041) 2849 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2850 2851 /* 2852 * If the SROM specifies more than one adapter, tag this as a 2853 * BASE rom. 2854 */ 2855 if (sc->tulip_rombuf[19] > 1) 2856 sc->tulip_features |= TULIP_HAVE_BASEROM; 2857 if (sc->tulip_boardsw == NULL) 2858 return -6; 2859 goto check_oui; 2860 } 2861 } 2862 2863 2864 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2865 /* 2866 * Some folks don't use the standard ethernet rom format 2867 * but instead just put the address in the first 6 bytes 2868 * of the rom and let the rest be all 0xffs. (Can we say 2869 * ZNYX?) (well sometimes they put in a checksum so we'll 2870 * start at 8). 2871 */ 2872 for (idx = 8; idx < 32; idx++) { 2873 if (sc->tulip_rombuf[idx] != 0xFF) 2874 return -4; 2875 } 2876 /* 2877 * Make sure the address is not multicast or locally assigned 2878 * that the OUI is not 00-00-00. 2879 */ 2880 if ((sc->tulip_rombuf[0] & 3) != 0) 2881 return -4; 2882 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2883 && sc->tulip_rombuf[2] == 0) 2884 return -4; 2885 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2886 sc->tulip_features |= TULIP_HAVE_OKROM; 2887 goto check_oui; 2888 } else { 2889 /* 2890 * A number of makers of multiport boards (ZNYX and Cogent) 2891 * only put on one address ROM on their 21040 boards. So 2892 * if the ROM is all zeros (or all 0xFFs), look at the 2893 * previous configured boards (as long as they are on the same 2894 * PCI bus and the bus number is non-zero) until we find the 2895 * master board with address ROM. We then use its address ROM 2896 * as the base for this board. (we add our relative board 2897 * to the last byte of its address). 2898 */ 2899 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2900 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2901 break; 2902 } 2903 if (idx == sizeof(sc->tulip_rombuf)) { 2904 int root_unit; 2905 tulip_softc_t *root_sc = NULL; 2906 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2907 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2908 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2909 break; 2910 root_sc = NULL; 2911 } 2912 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2913 && root_sc->tulip_chipid == sc->tulip_chipid 2914 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2915 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2916 sc->tulip_boardsw = root_sc->tulip_boardsw; 2917 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2918 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2919 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2920 sizeof(sc->tulip_rombuf)); 2921 if (!tulip_srom_decode(sc)) 2922 return -5; 2923 } else { 2924 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2925 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2926 } 2927 /* 2928 * Now for a truly disgusting kludge: all 4 21040s on 2929 * the ZX314 share the same INTA line so the mapping 2930 * setup by the BIOS on the PCI bridge is worthless. 2931 * Rather than reprogramming the value in the config 2932 * register, we will handle this internally. 2933 */ 2934 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2935 sc->tulip_slaves = root_sc->tulip_slaves; 2936 root_sc->tulip_slaves = sc; 2937 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2938 } 2939 return 0; 2940 } 2941 } 2942 } 2943 2944 /* 2945 * This is the standard DEC address ROM test. 2946 */ 2947 2948 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2949 return -3; 2950 2951 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2952 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2953 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2954 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2955 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2956 return -2; 2957 2958 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2959 2960 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2961 cksum *= 2; 2962 if (cksum > 65535) cksum -= 65535; 2963 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2964 if (cksum > 65535) cksum -= 65535; 2965 cksum *= 2; 2966 if (cksum > 65535) cksum -= 65535; 2967 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2968 if (cksum >= 65535) cksum -= 65535; 2969 2970 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2971 2972 if (cksum != rom_cksum) 2973 return -1; 2974 2975 check_oui: 2976 /* 2977 * Check for various boards based on OUI. Did I say braindead? 2978 */ 2979 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2980 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2981 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2982 break; 2983 } 2984 } 2985 2986 sc->tulip_features |= TULIP_HAVE_OKROM; 2987 return 0; 2988} 2989 2990#if defined(IFM_ETHER) 2991static void 2992tulip_ifmedia_add( 2993 tulip_softc_t * const sc) 2994{ 2995 tulip_media_t media; 2996 int medias = 0; 2997 2998 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2999 if (sc->tulip_mediums[media] != NULL) { 3000 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 3001 0, 0); 3002 medias++; 3003 } 3004 } 3005 if (medias == 0) { 3006 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3007 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3008 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3009 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3010 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3011 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3012 } else { 3013 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3014 sc->tulip_flags |= TULIP_PRINTMEDIA; 3015 tulip_linkup(sc, sc->tulip_media); 3016 } 3017} 3018 3019static int 3020tulip_ifmedia_change( 3021 struct ifnet * const ifp) 3022{ 3023 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3024 3025 sc->tulip_flags |= TULIP_NEEDRESET; 3026 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3027 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3028 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3029 tulip_media_t media; 3030 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3031 if (sc->tulip_mediums[media] != NULL 3032 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3033 sc->tulip_flags |= TULIP_PRINTMEDIA; 3034 sc->tulip_flags &= ~TULIP_DIDNWAY; 3035 tulip_linkup(sc, media); 3036 return 0; 3037 } 3038 } 3039 } 3040 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3041 tulip_reset(sc); 3042 tulip_init(sc); 3043 return 0; 3044} 3045 3046/* 3047 * Media status callback 3048 */ 3049static void 3050tulip_ifmedia_status( 3051 struct ifnet * const ifp, 3052 struct ifmediareq *req) 3053{ 3054 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3055 3056#if defined(__bsdi__) 3057 if (sc->tulip_mii.mii_instance != 0) { 3058 mii_pollstat(&sc->tulip_mii); 3059 req->ifm_active = sc->tulip_mii.mii_media_active; 3060 req->ifm_status = sc->tulip_mii.mii_media_status; 3061 return; 3062 } 3063#endif 3064 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3065 return; 3066 3067 req->ifm_status = IFM_AVALID; 3068 if (sc->tulip_flags & TULIP_LINKUP) 3069 req->ifm_status |= IFM_ACTIVE; 3070 3071 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3072} 3073#endif 3074 3075static void 3076tulip_addr_filter( 3077 tulip_softc_t * const sc) 3078{ 3079#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3080 struct ifmultiaddr *ifma; 3081 u_char *addrp; 3082#else 3083 struct ether_multistep step; 3084 struct ether_multi *enm; 3085#endif 3086 int multicnt; 3087 3088 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3089 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3090 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3091 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3092#if defined(IFF_ALLMULTI) 3093 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3094 sc->tulip_flags |= TULIP_ALLMULTI ; 3095#endif 3096 3097#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3098 multicnt = 0; 3099 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3100 ifma = ifma->ifma_link.le_next) { 3101 3102 if (ifma->ifma_addr->sa_family == AF_LINK) 3103 multicnt++; 3104 } 3105#else 3106 multicnt = sc->tulip_multicnt; 3107#endif 3108 3109 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3110 if (multicnt > 14) { 3111 u_int32_t *sp = sc->tulip_setupdata; 3112 unsigned hash; 3113 /* 3114 * Some early passes of the 21140 have broken implementations of 3115 * hash-perfect mode. When we get too many multicasts for perfect 3116 * filtering with these chips, we need to switch into hash-only 3117 * mode (this is better than all-multicast on network with lots 3118 * of multicast traffic). 3119 */ 3120 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3121 sc->tulip_flags |= TULIP_WANTHASHONLY; 3122 else 3123 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3124 /* 3125 * If we have more than 14 multicasts, we have 3126 * go into hash perfect mode (512 bit multicast 3127 * hash and one perfect hardware). 3128 */ 3129 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3130 3131#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3132 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3133 ifma = ifma->ifma_link.le_next) { 3134 3135 if (ifma->ifma_addr->sa_family != AF_LINK) 3136 continue; 3137 3138 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3139 sp[hash >> 4] |= 1 << (hash & 0xF); 3140 } 3141#else 3142 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3143 while (enm != NULL) { 3144 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3145 hash = tulip_mchash(enm->enm_addrlo); 3146 sp[hash >> 4] |= 1 << (hash & 0xF); 3147 } else { 3148 sc->tulip_flags |= TULIP_ALLMULTI; 3149 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3150 break; 3151 } 3152 ETHER_NEXT_MULTI(step, enm); 3153 } 3154#endif 3155 /* 3156 * No reason to use a hash if we are going to be 3157 * receiving every multicast. 3158 */ 3159 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3160 hash = tulip_mchash(etherbroadcastaddr); 3161 sp[hash >> 4] |= 1 << (hash & 0xF); 3162 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3163 hash = tulip_mchash(sc->tulip_enaddr); 3164 sp[hash >> 4] |= 1 << (hash & 0xF); 3165 } else { 3166 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3167 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3168 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3169 } 3170 } 3171 } 3172 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3173 u_int32_t *sp = sc->tulip_setupdata; 3174 int idx = 0; 3175 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3176 /* 3177 * Else can get perfect filtering for 16 addresses. 3178 */ 3179#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 3180 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3181 ifma = ifma->ifma_link.le_next) { 3182 if (ifma->ifma_addr->sa_family != AF_LINK) 3183 continue; 3184 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3185 *sp++ = ((u_int16_t *) addrp)[0]; 3186 *sp++ = ((u_int16_t *) addrp)[1]; 3187 *sp++ = ((u_int16_t *) addrp)[2]; 3188 idx++; 3189 } 3190#else 3191 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3192 for (; enm != NULL; idx++) { 3193 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3194 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 3195 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 3196 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 3197 } else { 3198 sc->tulip_flags |= TULIP_ALLMULTI; 3199 break; 3200 } 3201 ETHER_NEXT_MULTI(step, enm); 3202 } 3203#endif 3204 /* 3205 * Add the broadcast address. 3206 */ 3207 idx++; 3208 *sp++ = 0xFFFF; 3209 *sp++ = 0xFFFF; 3210 *sp++ = 0xFFFF; 3211 } 3212 /* 3213 * Pad the rest with our hardware address 3214 */ 3215 for (; idx < 16; idx++) { 3216 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3217 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3218 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3219 } 3220 } 3221#if defined(IFF_ALLMULTI) 3222 if (sc->tulip_flags & TULIP_ALLMULTI) 3223 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3224#endif 3225} 3226 3227static void 3228tulip_reset( 3229 tulip_softc_t * const sc) 3230{ 3231 tulip_ringinfo_t *ri; 3232 tulip_desc_t *di; 3233 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3234 3235 /* 3236 * Brilliant. Simply brilliant. When switching modes/speeds 3237 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3238 * bits in CSR6 and then do a software reset to get the 21140 3239 * to properly reset its internal pathways to the right places. 3240 * Grrrr. 3241 */ 3242 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3243 && sc->tulip_boardsw->bd_media_preset != NULL) 3244 (*sc->tulip_boardsw->bd_media_preset)(sc); 3245 3246 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3247 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3248 33MHz that comes to two microseconds but wait a 3249 bit longer anyways) */ 3250 3251 if (!inreset) { 3252 sc->tulip_flags |= TULIP_INRESET; 3253 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3254 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3255 sc->tulip_if.if_start = tulip_ifstart; 3256 } 3257 3258#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3259 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3260#else 3261 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3262#endif 3263#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3264 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3265#else 3266 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3267#endif 3268 TULIP_CSR_WRITE(sc, csr_busmode, 3269 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3270 |TULIP_BUSMODE_CACHE_ALIGN8 3271 |TULIP_BUSMODE_READMULTIPLE 3272 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); 3273 3274 sc->tulip_txtimer = 0; 3275 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3276 /* 3277 * Free all the mbufs that were on the transmit ring. 3278 */ 3279 for (;;) { 3280#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3281 bus_dmamap_t map; 3282#endif 3283 struct mbuf *m; 3284 IF_DEQUEUE(&sc->tulip_txq, m); 3285 if (m == NULL) 3286 break; 3287#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3288 map = M_GETCTX(m, bus_dmamap_t); 3289 bus_dmamap_unload(sc->tulip_dmatag, map); 3290 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3291#endif 3292 m_freem(m); 3293 } 3294 3295 ri = &sc->tulip_txinfo; 3296 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3297 ri->ri_free = ri->ri_max; 3298 for (di = ri->ri_first; di < ri->ri_last; di++) 3299 di->d_status = 0; 3300#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3301 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3302 0, sc->tulip_txdescmap->dm_mapsize, 3303 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3304#endif 3305 3306 /* 3307 * We need to collect all the mbufs were on the 3308 * receive ring before we reinit it either to put 3309 * them back on or to know if we have to allocate 3310 * more. 3311 */ 3312 ri = &sc->tulip_rxinfo; 3313 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3314 ri->ri_free = ri->ri_max; 3315 for (di = ri->ri_first; di < ri->ri_last; di++) { 3316 di->d_status = 0; 3317 di->d_length1 = 0; di->d_addr1 = 0; 3318 di->d_length2 = 0; di->d_addr2 = 0; 3319 } 3320#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3321 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3322 0, sc->tulip_rxdescmap->dm_mapsize, 3323 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3324#endif 3325 for (;;) { 3326#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3327 bus_dmamap_t map; 3328#endif 3329 struct mbuf *m; 3330 IF_DEQUEUE(&sc->tulip_rxq, m); 3331 if (m == NULL) 3332 break; 3333#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3334 map = M_GETCTX(m, bus_dmamap_t); 3335 bus_dmamap_unload(sc->tulip_dmatag, map); 3336 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3337#endif 3338 m_freem(m); 3339 } 3340 3341 /* 3342 * If tulip_reset is being called recurisvely, exit quickly knowing 3343 * that when the outer tulip_reset returns all the right stuff will 3344 * have happened. 3345 */ 3346 if (inreset) 3347 return; 3348 3349 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3350 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3351 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3352 |TULIP_STS_RXSTOPPED; 3353 3354 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3355 (*sc->tulip_boardsw->bd_media_select)(sc); 3356#if defined(TULIP_DEBUG) 3357 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3358 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3359 TULIP_PRINTF_ARGS); 3360#endif 3361 tulip_media_print(sc); 3362 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3363 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3364 3365 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3366 |TULIP_RXACT); 3367 tulip_addr_filter(sc); 3368} 3369 3370static void 3371tulip_init( 3372 tulip_softc_t * const sc) 3373{ 3374 if (sc->tulip_if.if_flags & IFF_UP) { 3375 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3376 /* initialize the media */ 3377 tulip_reset(sc); 3378 } 3379 sc->tulip_if.if_flags |= IFF_RUNNING; 3380 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3381 sc->tulip_flags |= TULIP_PROMISC; 3382 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3383 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3384 } else { 3385 sc->tulip_flags &= ~TULIP_PROMISC; 3386 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3387 if (sc->tulip_flags & TULIP_ALLMULTI) { 3388 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3389 } else { 3390 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3391 } 3392 } 3393 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3394 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3395 tulip_rx_intr(sc); 3396 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3397 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3398 } else { 3399 sc->tulip_if.if_flags |= IFF_OACTIVE; 3400 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3401 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3402 } 3403 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3404 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3405 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3406 tulip_txput_setup(sc); 3407 } else { 3408 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3409 tulip_reset(sc); 3410 } 3411} 3412 3413static void 3414tulip_rx_intr( 3415 tulip_softc_t * const sc) 3416{ 3417 TULIP_PERFSTART(rxintr) 3418 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3419 struct ifnet * const ifp = &sc->tulip_if; 3420 int fillok = 1; 3421#if defined(TULIP_DEBUG) 3422 int cnt = 0; 3423#endif 3424 3425 for (;;) { 3426 TULIP_PERFSTART(rxget) 3427 struct ether_header eh; 3428 tulip_desc_t *eop = ri->ri_nextin; 3429 int total_len = 0, last_offset = 0; 3430 struct mbuf *ms = NULL, *me = NULL; 3431 int accept = 0; 3432#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3433 bus_dmamap_t map; 3434 int error; 3435#endif 3436 3437 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3438 goto queue_mbuf; 3439 3440#if defined(TULIP_DEBUG) 3441 if (cnt == ri->ri_max) 3442 break; 3443#endif 3444 /* 3445 * If the TULIP has no descriptors, there can't be any receive 3446 * descriptors to process. 3447 */ 3448 if (eop == ri->ri_nextout) 3449 break; 3450 3451 /* 3452 * 90% of the packets will fit in one descriptor. So we optimize 3453 * for that case. 3454 */ 3455 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3456 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3457 IF_DEQUEUE(&sc->tulip_rxq, ms); 3458 me = ms; 3459 } else { 3460 /* 3461 * If still owned by the TULIP, don't touch it. 3462 */ 3463 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3464 break; 3465 3466 /* 3467 * It is possible (though improbable unless the BIG_PACKET support 3468 * is enabled or MCLBYTES < 1518) for a received packet to cross 3469 * more than one receive descriptor. 3470 */ 3471 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3472 if (++eop == ri->ri_last) 3473 eop = ri->ri_first; 3474 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3475 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3476#if defined(TULIP_DEBUG) 3477 sc->tulip_dbg.dbg_rxintrs++; 3478 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3479#endif 3480 TULIP_PERFEND(rxget); 3481 TULIP_PERFEND(rxintr); 3482 return; 3483 } 3484 total_len++; 3485 } 3486 3487 /* 3488 * Dequeue the first buffer for the start of the packet. Hopefully 3489 * this will be the only one we need to dequeue. However, if the 3490 * packet consumed multiple descriptors, then we need to dequeue 3491 * those buffers and chain to the starting mbuf. All buffers but 3492 * the last buffer have the same length so we can set that now. 3493 * (we add to last_offset instead of multiplying since we normally 3494 * won't go into the loop and thereby saving a ourselves from 3495 * doing a multiplication by 0 in the normal case). 3496 */ 3497 IF_DEQUEUE(&sc->tulip_rxq, ms); 3498 for (me = ms; total_len > 0; total_len--) { 3499#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3500 map = M_GETCTX(me, bus_dmamap_t); 3501 TULIP_RXMAP_POSTSYNC(sc, map); 3502 bus_dmamap_unload(sc->tulip_dmatag, map); 3503 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3504#if defined(DIAGNOSTIC) 3505 M_SETCTX(me, NULL); 3506#endif 3507#endif /* TULIP_BUS_DMA */ 3508 me->m_len = TULIP_RX_BUFLEN; 3509 last_offset += TULIP_RX_BUFLEN; 3510 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3511 me = me->m_next; 3512 } 3513 } 3514 3515 /* 3516 * Now get the size of received packet (minus the CRC). 3517 */ 3518 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3519 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3520 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3521#ifdef BIG_PACKET 3522 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3523 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3524 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3525 TULIP_DSTS_RxOVERFLOW)) == 0) 3526#endif 3527 )) { 3528 me->m_len = total_len - last_offset; 3529 3530#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3531 map = M_GETCTX(me, bus_dmamap_t); 3532 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3533 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3534 bus_dmamap_unload(sc->tulip_dmatag, map); 3535 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3536#if defined(DIAGNOSTIC) 3537 M_SETCTX(me, NULL); 3538#endif 3539#endif /* TULIP_BUS_DMA */ 3540 3541 eh = *mtod(ms, struct ether_header *); 3542#if NBPFILTER > 0 3543 if (sc->tulip_bpf != NULL) { 3544 if (me == ms) 3545 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3546 else 3547 TULIP_BPF_MTAP(sc, ms); 3548 } 3549#endif 3550 sc->tulip_flags |= TULIP_RXACT; 3551 3552#ifdef BRIDGE /* see code in if_ed.c */ 3553 ms->m_pkthdr.rcvif = ifp; /* XXX */ 3554 ms->m_pkthdr.len = total_len; /* XXX */ 3555 if (do_bridge) { 3556 struct ifnet *bdg_ifp ; 3557 bdg_ifp = bridge_in(ms); 3558 if (bdg_ifp == BDG_DROP) 3559 goto next ; /* and drop */ 3560 if (bdg_ifp != BDG_LOCAL) 3561 bdg_forward(&ms, bdg_ifp); 3562 if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && 3563 bdg_ifp != BDG_MCAST) 3564 goto next ; /* and drop */ 3565 /* all others accepted locally */ 3566 } else 3567#endif 3568 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3569 && (eh.ether_dhost[0] & 1) == 0 3570 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3571 goto next; 3572 accept = 1; 3573 total_len -= sizeof(struct ether_header); 3574 } else { 3575 ifp->if_ierrors++; 3576 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3577 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3578 } else { 3579#if defined(TULIP_VERBOSE) 3580 const char *error = NULL; 3581#endif 3582 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3583 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3584#if defined(TULIP_VERBOSE) 3585 error = "frame too long"; 3586#endif 3587 } 3588 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3589 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3590 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3591#if defined(TULIP_VERBOSE) 3592 error = "alignment error"; 3593#endif 3594 } else { 3595 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3596#if defined(TULIP_VERBOSE) 3597 error = "bad crc"; 3598#endif 3599 } 3600 } 3601#if defined(TULIP_VERBOSE) 3602 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3603 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3604 TULIP_PRINTF_ARGS, 3605 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3606 error); 3607 sc->tulip_flags |= TULIP_NOMESSAGES; 3608 } 3609#endif 3610 } 3611 3612#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3613 map = M_GETCTX(me, bus_dmamap_t); 3614 bus_dmamap_unload(sc->tulip_dmatag, map); 3615 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3616#if defined(DIAGNOSTIC) 3617 M_SETCTX(me, NULL); 3618#endif 3619#endif /* TULIP_BUS_DMA */ 3620 } 3621 next: 3622#if defined(TULIP_DEBUG) 3623 cnt++; 3624#endif 3625 ifp->if_ipackets++; 3626 if (++eop == ri->ri_last) 3627 eop = ri->ri_first; 3628 ri->ri_nextin = eop; 3629 queue_mbuf: 3630 /* 3631 * Either we are priming the TULIP with mbufs (m == NULL) 3632 * or we are about to accept an mbuf for the upper layers 3633 * so we need to allocate an mbuf to replace it. If we 3634 * can't replace it, send up it anyways. This may cause 3635 * us to drop packets in the future but that's better than 3636 * being caught in livelock. 3637 * 3638 * Note that if this packet crossed multiple descriptors 3639 * we don't even try to reallocate all the mbufs here. 3640 * Instead we rely on the test of the beginning of 3641 * the loop to refill for the extra consumed mbufs. 3642 */ 3643 if (accept || ms == NULL) { 3644 struct mbuf *m0; 3645 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3646 if (m0 != NULL) { 3647#if defined(TULIP_COPY_RXDATA) 3648 if (!accept || total_len >= MHLEN) { 3649#endif 3650 MCLGET(m0, M_DONTWAIT); 3651 if ((m0->m_flags & M_EXT) == 0) { 3652 m_freem(m0); 3653 m0 = NULL; 3654 } 3655#if defined(TULIP_COPY_RXDATA) 3656 } 3657#endif 3658 } 3659 if (accept 3660#if defined(TULIP_COPY_RXDATA) 3661 && m0 != NULL 3662#endif 3663 ) { 3664#if defined(__bsdi__) 3665 eh.ether_type = ntohs(eh.ether_type); 3666#endif 3667#if !defined(TULIP_COPY_RXDATA) 3668 ms->m_data += sizeof(struct ether_header); 3669 ms->m_len -= sizeof(struct ether_header); 3670 ms->m_pkthdr.len = total_len; 3671 ms->m_pkthdr.rcvif = ifp; 3672 ether_input(ifp, &eh, ms); 3673#else 3674#ifdef BIG_PACKET 3675#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3676#endif 3677 if (ms == me) 3678 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3679 mtod(m0, caddr_t), total_len); 3680 else 3681 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3682 m0->m_len = m0->m_pkthdr.len = total_len; 3683 m0->m_pkthdr.rcvif = ifp; 3684 ether_input(ifp, &eh, m0); 3685 m0 = ms; 3686#endif 3687 } 3688 ms = m0; 3689 } 3690 if (ms == NULL) { 3691 /* 3692 * Couldn't allocate a new buffer. Don't bother 3693 * trying to replenish the receive queue. 3694 */ 3695 fillok = 0; 3696 sc->tulip_flags |= TULIP_RXBUFSLOW; 3697#if defined(TULIP_DEBUG) 3698 sc->tulip_dbg.dbg_rxlowbufs++; 3699#endif 3700 TULIP_PERFEND(rxget); 3701 continue; 3702 } 3703 /* 3704 * Now give the buffer(s) to the TULIP and save in our 3705 * receive queue. 3706 */ 3707 do { 3708 tulip_desc_t * const nextout = ri->ri_nextout; 3709#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3710 if (sc->tulip_rxmaps_free > 0) { 3711 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3712 } else { 3713 m_freem(ms); 3714 sc->tulip_flags |= TULIP_RXBUFSLOW; 3715#if defined(TULIP_DEBUG) 3716 sc->tulip_dbg.dbg_rxlowbufs++; 3717#endif 3718 break; 3719 } 3720 M_SETCTX(ms, map); 3721 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3722 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3723 if (error) { 3724 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3725 "error = %d\n", TULIP_PRINTF_ARGS, error); 3726 panic("tulip_rx_intr"); /* XXX */ 3727 } 3728 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3729 nextout->d_length1 = map->dm_segs[0].ds_len; 3730 if (map->dm_nsegs == 2) { 3731 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3732 nextout->d_length2 = map->dm_segs[1].ds_len; 3733 } else { 3734 nextout->d_addr2 = 0; 3735 nextout->d_length2 = 0; 3736 } 3737 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3738#else /* TULIP_BUS_DMA */ 3739 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3740 nextout->d_length1 = TULIP_RX_BUFLEN; 3741#endif /* TULIP_BUS_DMA */ 3742 nextout->d_status = TULIP_DSTS_OWNER; 3743 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3744 if (++ri->ri_nextout == ri->ri_last) 3745 ri->ri_nextout = ri->ri_first; 3746 me = ms->m_next; 3747 ms->m_next = NULL; 3748 IF_ENQUEUE(&sc->tulip_rxq, ms); 3749 } while ((ms = me) != NULL); 3750 3751 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3752 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3753 TULIP_PERFEND(rxget); 3754 } 3755 3756#if defined(TULIP_DEBUG) 3757 sc->tulip_dbg.dbg_rxintrs++; 3758 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3759#endif 3760 TULIP_PERFEND(rxintr); 3761} 3762 3763static int 3764tulip_tx_intr( 3765 tulip_softc_t * const sc) 3766{ 3767 TULIP_PERFSTART(txintr) 3768 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3769 struct mbuf *m; 3770 int xmits = 0; 3771 int descs = 0; 3772 3773 while (ri->ri_free < ri->ri_max) { 3774 u_int32_t d_flag; 3775 3776 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3777 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3778 break; 3779 3780 ri->ri_free++; 3781 descs++; 3782 d_flag = ri->ri_nextin->d_flag; 3783 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3784 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3785 /* 3786 * We've just finished processing a setup packet. 3787 * Mark that we finished it. If there's not 3788 * another pending, startup the TULIP receiver. 3789 * Make sure we ack the RXSTOPPED so we won't get 3790 * an abormal interrupt indication. 3791 */ 3792 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3793 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3794 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3795 sc->tulip_flags |= TULIP_HASHONLY; 3796 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3797 tulip_rx_intr(sc); 3798 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3799 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3800 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3801 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3802 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3803 } 3804 } else { 3805 const u_int32_t d_status = ri->ri_nextin->d_status; 3806 IF_DEQUEUE(&sc->tulip_txq, m); 3807 if (m != NULL) { 3808#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3809 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3810 TULIP_TXMAP_POSTSYNC(sc, map); 3811 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3812#endif /* TULIP_BUS_DMA */ 3813#if NBPFILTER > 0 3814 if (sc->tulip_bpf != NULL) 3815 TULIP_BPF_MTAP(sc, m); 3816#endif 3817 m_freem(m); 3818#if defined(TULIP_DEBUG) 3819 } else { 3820 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3821#endif 3822 } 3823 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3824 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3825 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3826#if defined(TULIP_DEBUG) 3827 if (d_status & TULIP_DSTS_TxNOCARR) 3828 sc->tulip_dbg.dbg_txprobe_nocarr++; 3829 if (d_status & TULIP_DSTS_TxEXCCOLL) 3830 sc->tulip_dbg.dbg_txprobe_exccoll++; 3831#endif 3832 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3833 } 3834 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3835 /* 3836 * Escape from the loop before media poll has reset the TULIP! 3837 */ 3838 break; 3839 } else { 3840 xmits++; 3841 if (d_status & TULIP_DSTS_ERRSUM) { 3842 sc->tulip_if.if_oerrors++; 3843 if (d_status & TULIP_DSTS_TxEXCCOLL) 3844 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3845 if (d_status & TULIP_DSTS_TxLATECOLL) 3846 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3847 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3848 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3849 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3850 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3851 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3852 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3853 if (d_status & TULIP_DSTS_TxBABBLE) 3854 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3855 } else { 3856 u_int32_t collisions = 3857 (d_status & TULIP_DSTS_TxCOLLMASK) 3858 >> TULIP_DSTS_V_TxCOLLCNT; 3859 sc->tulip_if.if_collisions += collisions; 3860 if (collisions == 1) 3861 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3862 else if (collisions > 1) 3863 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3864 else if (d_status & TULIP_DSTS_TxDEFERRED) 3865 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3866 /* 3867 * SQE is only valid for 10baseT/BNC/AUI when not 3868 * running in full-duplex. In order to speed up the 3869 * test, the corresponding bit in tulip_flags needs to 3870 * set as well to get us to count SQE Test Errors. 3871 */ 3872 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3873 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3874 } 3875 } 3876 } 3877 } 3878 3879 if (++ri->ri_nextin == ri->ri_last) 3880 ri->ri_nextin = ri->ri_first; 3881 3882 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3883 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3884 } 3885 /* 3886 * If nothing left to transmit, disable the timer. 3887 * Else if progress, reset the timer back to 2 ticks. 3888 */ 3889 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3890 sc->tulip_txtimer = 0; 3891 else if (xmits > 0) 3892 sc->tulip_txtimer = TULIP_TXTIMER; 3893 sc->tulip_if.if_opackets += xmits; 3894 TULIP_PERFEND(txintr); 3895 return descs; 3896} 3897 3898static void 3899tulip_print_abnormal_interrupt( 3900 tulip_softc_t * const sc, 3901 u_int32_t csr) 3902{ 3903 const char * const *msgp = tulip_status_bits; 3904 const char *sep; 3905 u_int32_t mask; 3906 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3907 3908 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3909 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3910 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3911 if ((csr & mask) && *msgp != NULL) { 3912 printf("%s%s", sep, *msgp); 3913 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3914 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3915 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3916 printf(" (switching to store-and-forward mode)"); 3917 } else { 3918 printf(" (raising TX threshold to %s)", 3919 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3920 } 3921 } 3922 sep = ", "; 3923 } 3924 } 3925 printf("\n"); 3926} 3927 3928static void 3929tulip_intr_handler( 3930 tulip_softc_t * const sc, 3931 int *progress_p) 3932{ 3933 TULIP_PERFSTART(intr) 3934 u_int32_t csr; 3935#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3936 int only_once; 3937 3938 only_once = 1; 3939#endif 3940 3941 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3942#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3943 if (only_once == 1) { 3944#if NRND > 0 3945 rnd_add_uint32(&sc->tulip_rndsource, csr); 3946#endif 3947 only_once = 0; 3948 } 3949#endif 3950 3951 *progress_p = 1; 3952 TULIP_CSR_WRITE(sc, csr_status, csr); 3953 3954 if (csr & TULIP_STS_SYSERROR) { 3955 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3956 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3957 sc->tulip_flags |= TULIP_SYSTEMERROR; 3958 } else { 3959 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3960 TULIP_PRINTF_ARGS, 3961 tulip_system_errors[sc->tulip_last_system_error]); 3962 } 3963 sc->tulip_flags |= TULIP_NEEDRESET; 3964 sc->tulip_system_errors++; 3965 break; 3966 } 3967 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3968#if defined(TULIP_DEBUG) 3969 sc->tulip_dbg.dbg_link_intrs++; 3970#endif 3971 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3972 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3973 ? TULIP_MEDIAPOLL_LINKFAIL 3974 : TULIP_MEDIAPOLL_LINKPASS); 3975 csr &= ~TULIP_STS_ABNRMLINTR; 3976 } 3977 tulip_media_print(sc); 3978 } 3979 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3980 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3981 if (csr & TULIP_STS_RXNOBUF) 3982 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3983 /* 3984 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3985 * on receive overflows. 3986 */ 3987 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3988 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3989 /* 3990 * Stop the receiver process and spin until it's stopped. 3991 * Tell rx_intr to drop the packets it dequeues. 3992 */ 3993 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3994 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3995 ; 3996 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3997 sc->tulip_flags |= TULIP_RXIGNORE; 3998 } 3999 tulip_rx_intr(sc); 4000 if (sc->tulip_flags & TULIP_RXIGNORE) { 4001 /* 4002 * Restart the receiver. 4003 */ 4004 sc->tulip_flags &= ~TULIP_RXIGNORE; 4005 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4006 } 4007 } 4008 if (csr & TULIP_STS_ABNRMLINTR) { 4009 u_int32_t tmp = csr & sc->tulip_intrmask 4010 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 4011 if (csr & TULIP_STS_TXUNDERFLOW) { 4012 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 4013 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 4014 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4015 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 4016 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4017 sc->tulip_flags |= TULIP_NEWTXTHRESH; 4018 } 4019 } 4020 if (sc->tulip_flags & TULIP_NOMESSAGES) { 4021 sc->tulip_statusbits |= tmp; 4022 } else { 4023 tulip_print_abnormal_interrupt(sc, tmp); 4024 sc->tulip_flags |= TULIP_NOMESSAGES; 4025 } 4026 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 4027 } 4028 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 4029 tulip_tx_intr(sc); 4030 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 4031 tulip_ifstart(&sc->tulip_if); 4032 } 4033 } 4034 if (sc->tulip_flags & TULIP_NEEDRESET) { 4035 tulip_reset(sc); 4036 tulip_init(sc); 4037 } 4038 TULIP_PERFEND(intr); 4039} 4040 4041#if defined(TULIP_USE_SOFTINTR) 4042/* 4043 * This is a experimental idea to alleviate problems due to interrupt 4044 * livelock. What is interrupt livelock? It's when you spend all your 4045 * time servicing device interrupts and never drop below device ipl 4046 * to do "useful" work. 4047 * 4048 * So what we do here is see if the device needs service and if so, 4049 * disable interrupts (dismiss the interrupt), place it in a list of devices 4050 * needing service, and issue a network software interrupt. 4051 * 4052 * When our network software interrupt routine gets called, we simply 4053 * walk done the list of devices that we have created and deal with them 4054 * at splnet/splsoftnet. 4055 * 4056 */ 4057static void 4058tulip_hardintr_handler( 4059 tulip_softc_t * const sc, 4060 int *progress_p) 4061{ 4062 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 4063 return; 4064 *progress_p = 1; 4065 /* 4066 * disable interrupts 4067 */ 4068 TULIP_CSR_WRITE(sc, csr_intr, 0); 4069 /* 4070 * mark it as needing a software interrupt 4071 */ 4072 tulip_softintr_mask |= (1U << sc->tulip_unit); 4073 4074#if defined(__NetBSD__) && NRND > 0 4075 /* 4076 * This isn't all that random (the value we feed in) but it is 4077 * better than a constant probably. It isn't used in entropy 4078 * calculation anyway, just to add something to the pool. 4079 */ 4080 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 4081#endif 4082} 4083 4084static void 4085tulip_softintr( 4086 void) 4087{ 4088 u_int32_t softintr_mask, mask; 4089 int progress = 0; 4090 int unit; 4091 tulip_spl_t s; 4092 4093 /* 4094 * Copy mask to local copy and reset global one to 0. 4095 */ 4096 s = TULIP_RAISESPL(); 4097 softintr_mask = tulip_softintr_mask; 4098 tulip_softintr_mask = 0; 4099 TULIP_RESTORESPL(s); 4100 4101 /* 4102 * Optimize for the single unit case. 4103 */ 4104 if (tulip_softintr_max_unit == 0) { 4105 if (softintr_mask & 1) { 4106 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 4107 /* 4108 * Handle the "interrupt" and then reenable interrupts 4109 */ 4110 softintr_mask = 0; 4111 tulip_intr_handler(sc, &progress); 4112 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4113 } 4114 return; 4115 } 4116 4117 /* 4118 * Handle all "queued" interrupts in a round robin fashion. 4119 * This is done so as not to favor a particular interface. 4120 */ 4121 unit = tulip_softintr_last_unit; 4122 mask = (1U << unit); 4123 while (softintr_mask != 0) { 4124 if (tulip_softintr_max_unit == unit) { 4125 unit = 0; mask = 1; 4126 } else { 4127 unit += 1; mask <<= 1; 4128 } 4129 if (softintr_mask & mask) { 4130 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 4131 /* 4132 * Handle the "interrupt" and then reenable interrupts 4133 */ 4134 softintr_mask ^= mask; 4135 tulip_intr_handler(sc, &progress); 4136 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4137 } 4138 } 4139 4140 /* 4141 * Save where we ending up. 4142 */ 4143 tulip_softintr_last_unit = unit; 4144} 4145#endif /* TULIP_USE_SOFTINTR */ 4146 4147static tulip_intrfunc_t 4148tulip_intr_shared( 4149 void *arg) 4150{ 4151 tulip_softc_t * sc = arg; 4152 int progress = 0; 4153 4154 for (; sc != NULL; sc = sc->tulip_slaves) { 4155#if defined(TULIP_DEBUG) 4156 sc->tulip_dbg.dbg_intrs++; 4157#endif 4158#if defined(TULIP_USE_SOFTINTR) 4159 tulip_hardintr_handler(sc, &progress); 4160#else 4161 tulip_intr_handler(sc, &progress); 4162#endif 4163 } 4164#if defined(TULIP_USE_SOFTINTR) 4165 if (progress) 4166 schednetisr(NETISR_DE); 4167#endif 4168#if !defined(TULIP_VOID_INTRFUNC) 4169 return progress; 4170#endif 4171} 4172 4173static tulip_intrfunc_t 4174tulip_intr_normal( 4175 void *arg) 4176{ 4177 tulip_softc_t * sc = (tulip_softc_t *) arg; 4178 int progress = 0; 4179 4180#if defined(TULIP_DEBUG) 4181 sc->tulip_dbg.dbg_intrs++; 4182#endif 4183#if defined(TULIP_USE_SOFTINTR) 4184 tulip_hardintr_handler(sc, &progress); 4185 if (progress) 4186 schednetisr(NETISR_DE); 4187#else 4188 tulip_intr_handler(sc, &progress); 4189#endif 4190#if !defined(TULIP_VOID_INTRFUNC) 4191 return progress; 4192#endif 4193} 4194 4195static struct mbuf * 4196tulip_mbuf_compress( 4197 struct mbuf *m) 4198{ 4199 struct mbuf *m0; 4200#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4201 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4202 if (m0 != NULL) { 4203 if (m->m_pkthdr.len > MHLEN) { 4204 MCLGET(m0, M_DONTWAIT); 4205 if ((m0->m_flags & M_EXT) == 0) { 4206 m_freem(m); 4207 m_freem(m0); 4208 return NULL; 4209 } 4210 } 4211 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4212 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4213 } 4214#else 4215 int mlen = MHLEN; 4216 int len = m->m_pkthdr.len; 4217 struct mbuf **mp = &m0; 4218 4219 while (len > 0) { 4220 if (mlen == MHLEN) { 4221 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4222 } else { 4223 MGET(*mp, M_DONTWAIT, MT_DATA); 4224 } 4225 if (*mp == NULL) { 4226 m_freem(m0); 4227 m0 = NULL; 4228 break; 4229 } 4230 if (len > MLEN) { 4231 MCLGET(*mp, M_DONTWAIT); 4232 if (((*mp)->m_flags & M_EXT) == 0) { 4233 m_freem(m0); 4234 m0 = NULL; 4235 break; 4236 } 4237 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4238 } else { 4239 (*mp)->m_len = len <= mlen ? len : mlen; 4240 } 4241 m_copydata(m, m->m_pkthdr.len - len, 4242 (*mp)->m_len, mtod((*mp), caddr_t)); 4243 len -= (*mp)->m_len; 4244 mp = &(*mp)->m_next; 4245 mlen = MLEN; 4246 } 4247#endif 4248 m_freem(m); 4249 return m0; 4250} 4251 4252static struct mbuf * 4253tulip_txput( 4254 tulip_softc_t * const sc, 4255 struct mbuf *m) 4256{ 4257 TULIP_PERFSTART(txput) 4258 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4259 tulip_desc_t *eop, *nextout; 4260 int segcnt, free; 4261 u_int32_t d_status; 4262#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4263 bus_dmamap_t map; 4264 int error; 4265#else 4266 struct mbuf *m0; 4267#endif 4268 4269#if defined(TULIP_DEBUG) 4270 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4271 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4272 TULIP_PRINTF_ARGS, 4273 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4274 sc->tulip_flags |= TULIP_WANTTXSTART; 4275 sc->tulip_dbg.dbg_txput_finishes[0]++; 4276 goto finish; 4277 } 4278#endif 4279 4280 /* 4281 * Now we try to fill in our transmit descriptors. This is 4282 * a bit reminiscent of going on the Ark two by two 4283 * since each descriptor for the TULIP can describe 4284 * two buffers. So we advance through packet filling 4285 * each of the two entries at a time to to fill each 4286 * descriptor. Clear the first and last segment bits 4287 * in each descriptor (actually just clear everything 4288 * but the end-of-ring or chain bits) to make sure 4289 * we don't get messed up by previously sent packets. 4290 * 4291 * We may fail to put the entire packet on the ring if 4292 * there is either not enough ring entries free or if the 4293 * packet has more than MAX_TXSEG segments. In the former 4294 * case we will just wait for the ring to empty. In the 4295 * latter case we have to recopy. 4296 */ 4297#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4298 again: 4299 m0 = m; 4300#endif 4301 d_status = 0; 4302 eop = nextout = ri->ri_nextout; 4303 segcnt = 0; 4304 free = ri->ri_free; 4305 4306#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4307 /* 4308 * Reclaim some dma maps from if we are out. 4309 */ 4310 if (sc->tulip_txmaps_free == 0) { 4311#if defined(TULIP_DEBUG) 4312 sc->tulip_dbg.dbg_no_txmaps++; 4313#endif 4314 free += tulip_tx_intr(sc); 4315 } 4316 if (sc->tulip_txmaps_free > 0) { 4317 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4318 } else { 4319 sc->tulip_flags |= TULIP_WANTTXSTART; 4320#if defined(TULIP_DEBUG) 4321 sc->tulip_dbg.dbg_txput_finishes[1]++; 4322#endif 4323 goto finish; 4324 } 4325 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4326 if (error != 0) { 4327 if (error == EFBIG) { 4328 /* 4329 * The packet exceeds the number of transmit buffer 4330 * entries that we can use for one packet, so we have 4331 * to recopy it into one mbuf and then try again. 4332 */ 4333 m = tulip_mbuf_compress(m); 4334 if (m == NULL) { 4335#if defined(TULIP_DEBUG) 4336 sc->tulip_dbg.dbg_txput_finishes[2]++; 4337#endif 4338 goto finish; 4339 } 4340 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4341 } 4342 if (error != 0) { 4343 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 4344 "error = %d\n", TULIP_PRINTF_ARGS, error); 4345#if defined(TULIP_DEBUG) 4346 sc->tulip_dbg.dbg_txput_finishes[3]++; 4347#endif 4348 goto finish; 4349 } 4350 } 4351 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4352 /* 4353 * See if there's any unclaimed space in the transmit ring. 4354 */ 4355 && (free += tulip_tx_intr(sc)) <= 0) { 4356 /* 4357 * There's no more room but since nothing 4358 * has been committed at this point, just 4359 * show output is active, put back the 4360 * mbuf and return. 4361 */ 4362 sc->tulip_flags |= TULIP_WANTTXSTART; 4363#if defined(TULIP_DEBUG) 4364 sc->tulip_dbg.dbg_txput_finishes[4]++; 4365#endif 4366 bus_dmamap_unload(sc->tulip_dmatag, map); 4367 goto finish; 4368 } 4369 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4370 eop = nextout; 4371 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4372 eop->d_status = d_status; 4373 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4374 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4375 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4376 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4377 d_status = TULIP_DSTS_OWNER; 4378 if (++nextout == ri->ri_last) 4379 nextout = ri->ri_first; 4380 } 4381 if (segcnt < map->dm_nsegs) { 4382 eop = nextout; 4383 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4384 eop->d_status = d_status; 4385 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4386 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4387 eop->d_addr2 = 0; 4388 eop->d_length2 = 0; 4389 if (++nextout == ri->ri_last) 4390 nextout = ri->ri_first; 4391 } 4392 TULIP_TXMAP_PRESYNC(sc, map); 4393 M_SETCTX(m, map); 4394 map = NULL; 4395 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4396 4397#else /* !TULIP_BUS_DMA */ 4398 4399 do { 4400 int len = m0->m_len; 4401 caddr_t addr = mtod(m0, caddr_t); 4402 unsigned clsize = CLBYTES - (((uintptr_t) addr) & (CLBYTES-1)); 4403 4404 while (len > 0) { 4405 unsigned slen = min(len, clsize); 4406#ifdef BIG_PACKET 4407 int partial = 0; 4408 if (slen >= 2048) 4409 slen = 2040, partial = 1; 4410#endif 4411 segcnt++; 4412 if (segcnt > TULIP_MAX_TXSEG) { 4413 /* 4414 * The packet exceeds the number of transmit buffer 4415 * entries that we can use for one packet, so we have 4416 * recopy it into one mbuf and then try again. 4417 */ 4418 m = tulip_mbuf_compress(m); 4419 if (m == NULL) 4420 goto finish; 4421 goto again; 4422 } 4423 if (segcnt & 1) { 4424 if (--free == 0) { 4425 /* 4426 * See if there's any unclaimed space in the 4427 * transmit ring. 4428 */ 4429 if ((free += tulip_tx_intr(sc)) == 0) { 4430 /* 4431 * There's no more room but since nothing 4432 * has been committed at this point, just 4433 * show output is active, put back the 4434 * mbuf and return. 4435 */ 4436 sc->tulip_flags |= TULIP_WANTTXSTART; 4437#if defined(TULIP_DEBUG) 4438 sc->tulip_dbg.dbg_txput_finishes[1]++; 4439#endif 4440 goto finish; 4441 } 4442 } 4443 eop = nextout; 4444 if (++nextout == ri->ri_last) 4445 nextout = ri->ri_first; 4446 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4447 eop->d_status = d_status; 4448 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4449 eop->d_length1 = slen; 4450 } else { 4451 /* 4452 * Fill in second half of descriptor 4453 */ 4454 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4455 eop->d_length2 = slen; 4456 } 4457 d_status = TULIP_DSTS_OWNER; 4458 len -= slen; 4459 addr += slen; 4460#ifdef BIG_PACKET 4461 if (partial) 4462 continue; 4463#endif 4464 clsize = CLBYTES; 4465 } 4466 } while ((m0 = m0->m_next) != NULL); 4467#endif /* TULIP_BUS_DMA */ 4468 4469 /* 4470 * The descriptors have been filled in. Now get ready 4471 * to transmit. 4472 */ 4473 IF_ENQUEUE(&sc->tulip_txq, m); 4474 m = NULL; 4475 4476 /* 4477 * Make sure the next descriptor after this packet is owned 4478 * by us since it may have been set up above if we ran out 4479 * of room in the ring. 4480 */ 4481 nextout->d_status = 0; 4482 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4483 4484#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4485 /* 4486 * If we only used the first segment of the last descriptor, 4487 * make sure the second segment will not be used. 4488 */ 4489 if (segcnt & 1) { 4490 eop->d_addr2 = 0; 4491 eop->d_length2 = 0; 4492 } 4493#endif /* TULIP_BUS_DMA */ 4494 4495 /* 4496 * Mark the last and first segments, indicate we want a transmit 4497 * complete interrupt, and tell it to transmit! 4498 */ 4499 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4500 4501 /* 4502 * Note that ri->ri_nextout is still the start of the packet 4503 * and until we set the OWNER bit, we can still back out of 4504 * everything we have done. 4505 */ 4506 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4507#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4508 if (eop < ri->ri_nextout) { 4509 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4510 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4511 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4512 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4513 } else { 4514 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4515 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4516 } 4517#endif 4518 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4519 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4520 4521 /* 4522 * This advances the ring for us. 4523 */ 4524 ri->ri_nextout = nextout; 4525 ri->ri_free = free; 4526 4527 TULIP_PERFEND(txput); 4528 4529 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4530 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4531 sc->tulip_if.if_flags |= IFF_OACTIVE; 4532 sc->tulip_if.if_start = tulip_ifstart; 4533 TULIP_PERFEND(txput); 4534 return NULL; 4535 } 4536 4537 /* 4538 * switch back to the single queueing ifstart. 4539 */ 4540 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4541 if (sc->tulip_txtimer == 0) 4542 sc->tulip_txtimer = TULIP_TXTIMER; 4543#if defined(TULIP_DEBUG) 4544 sc->tulip_dbg.dbg_txput_finishes[5]++; 4545#endif 4546 4547 /* 4548 * If we want a txstart, there must be not enough space in the 4549 * transmit ring. So we want to enable transmit done interrupts 4550 * so we can immediately reclaim some space. When the transmit 4551 * interrupt is posted, the interrupt handler will call tx_intr 4552 * to reclaim space and then txstart (since WANTTXSTART is set). 4553 * txstart will move the packet into the transmit ring and clear 4554 * WANTTXSTART thereby causing TXINTR to be cleared. 4555 */ 4556 finish: 4557#if defined(TULIP_DEBUG) 4558 sc->tulip_dbg.dbg_txput_finishes[6]++; 4559#endif 4560 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4561 sc->tulip_if.if_flags |= IFF_OACTIVE; 4562 sc->tulip_if.if_start = tulip_ifstart; 4563 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4564 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4565 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4566 } 4567 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4568 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4569 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4570 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4571 } 4572 } 4573 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4574 TULIP_PERFEND(txput); 4575 return m; 4576} 4577 4578static void 4579tulip_txput_setup( 4580 tulip_softc_t * const sc) 4581{ 4582 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4583 tulip_desc_t *nextout; 4584 4585 /* 4586 * We will transmit, at most, one setup packet per call to ifstart. 4587 */ 4588 4589#if defined(TULIP_DEBUG) 4590 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4591 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4592 TULIP_PRINTF_ARGS); 4593 sc->tulip_flags |= TULIP_WANTTXSTART; 4594 sc->tulip_if.if_start = tulip_ifstart; 4595 return; 4596 } 4597#endif 4598 /* 4599 * Try to reclaim some free descriptors.. 4600 */ 4601 if (ri->ri_free < 2) 4602 tulip_tx_intr(sc); 4603 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4604 sc->tulip_flags |= TULIP_WANTTXSTART; 4605 sc->tulip_if.if_start = tulip_ifstart; 4606 return; 4607 } 4608 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4609 sizeof(sc->tulip_setupbuf)); 4610 /* 4611 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4612 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4613 */ 4614 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4615 ri->ri_free--; 4616 nextout = ri->ri_nextout; 4617 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4618 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4619 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4620 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4621 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4622 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4623 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4624 4625 nextout->d_length2 = 0; 4626 nextout->d_addr2 = 0; 4627#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4628 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4629 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4630 if (sc->tulip_setupmap->dm_nsegs == 2) { 4631 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4632 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4633 } 4634 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4635 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4636#else 4637 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4638 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4639#endif 4640 4641 /* 4642 * Advance the ring for the next transmit packet. 4643 */ 4644 if (++ri->ri_nextout == ri->ri_last) 4645 ri->ri_nextout = ri->ri_first; 4646 4647 /* 4648 * Make sure the next descriptor is owned by us since it 4649 * may have been set up above if we ran out of room in the 4650 * ring. 4651 */ 4652 ri->ri_nextout->d_status = 0; 4653 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4654 nextout->d_status = TULIP_DSTS_OWNER; 4655 /* 4656 * Flush the ownwership of the current descriptor 4657 */ 4658 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4659 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4660 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4661 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4662 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4663 } 4664} 4665 4666 4667/* 4668 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4669 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4670 * defined or not. 4671 */ 4672static int 4673tulip_ifioctl( 4674 struct ifnet * ifp, 4675 ioctl_cmd_t cmd, 4676 caddr_t data) 4677{ 4678 TULIP_PERFSTART(ifioctl) 4679 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4680 struct ifaddr *ifa = (struct ifaddr *)data; 4681 struct ifreq *ifr = (struct ifreq *) data; 4682 tulip_spl_t s; 4683 int error = 0; 4684 4685#if defined(TULIP_USE_SOFTINTR) 4686 s = TULIP_RAISESOFTSPL(); 4687#else 4688 s = TULIP_RAISESPL(); 4689#endif 4690 switch (cmd) { 4691 case SIOCSIFADDR: { 4692 ifp->if_flags |= IFF_UP; 4693 switch(ifa->ifa_addr->sa_family) { 4694#ifdef INET 4695 case AF_INET: { 4696 tulip_init(sc); 4697 TULIP_ARP_IFINIT(sc, ifa); 4698 break; 4699 } 4700#endif /* INET */ 4701 4702#ifdef IPX 4703 case AF_IPX: { 4704 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4705 if (ipx_nullhost(*ina)) { 4706 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4707 } else { 4708 ifp->if_flags &= ~IFF_RUNNING; 4709 bcopy((caddr_t)ina->x_host.c_host, 4710 (caddr_t)sc->tulip_enaddr, 4711 sizeof(sc->tulip_enaddr)); 4712 } 4713 tulip_init(sc); 4714 break; 4715 } 4716#endif /* IPX */ 4717 4718#ifdef NS 4719 /* 4720 * This magic copied from if_is.c; I don't use XNS, 4721 * so I have no way of telling if this actually 4722 * works or not. 4723 */ 4724 case AF_NS: { 4725 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4726 if (ns_nullhost(*ina)) { 4727 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4728 } else { 4729 ifp->if_flags &= ~IFF_RUNNING; 4730 bcopy((caddr_t)ina->x_host.c_host, 4731 (caddr_t)sc->tulip_enaddr, 4732 sizeof(sc->tulip_enaddr)); 4733 } 4734 tulip_init(sc); 4735 break; 4736 } 4737#endif /* NS */ 4738 4739 default: { 4740 tulip_init(sc); 4741 break; 4742 } 4743 } 4744 break; 4745 } 4746 case SIOCGIFADDR: { 4747 bcopy((caddr_t) sc->tulip_enaddr, 4748 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4749 6); 4750 break; 4751 } 4752 4753 case SIOCSIFFLAGS: { 4754#if !defined(IFM_ETHER) 4755 int flags = 0; 4756 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4757 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4758 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4759 if (flags == 7) { 4760 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4761 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4762 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4763 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4764 tulip_reset(sc); 4765 } else if (flags) { 4766 tulip_media_t media; 4767 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4768 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4769 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4770 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4771 sc->tulip_flags &= ~TULIP_DIDNWAY; 4772 tulip_linkup(sc, media); 4773 } 4774 break; 4775 } 4776 } 4777 if (flags) 4778 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4779 } 4780#endif 4781 tulip_addr_filter(sc); /* reinit multicast filter */ 4782 tulip_init(sc); 4783 break; 4784 } 4785 4786#if defined(SIOCSIFMEDIA) 4787 case SIOCSIFMEDIA: 4788 case SIOCGIFMEDIA: { 4789 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4790 break; 4791 } 4792#endif 4793 4794 case SIOCADDMULTI: 4795 case SIOCDELMULTI: { 4796 /* 4797 * Update multicast listeners 4798 */ 4799#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 4800 tulip_addr_filter(sc); /* reset multicast filtering */ 4801 tulip_init(sc); 4802 error = 0; 4803#else 4804 if (cmd == SIOCADDMULTI) 4805 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4806 else 4807 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4808 4809 if (error == ENETRESET) { 4810 tulip_addr_filter(sc); /* reset multicast filtering */ 4811 tulip_init(sc); 4812 error = 0; 4813 } 4814#endif 4815 break; 4816 } 4817#if defined(SIOCSIFMTU) 4818#if !defined(ifr_mtu) 4819#define ifr_mtu ifr_metric 4820#endif 4821 case SIOCSIFMTU: 4822 /* 4823 * Set the interface MTU. 4824 */ 4825 if (ifr->ifr_mtu > ETHERMTU 4826#ifdef BIG_PACKET 4827 && sc->tulip_chipid != TULIP_21140 4828 && sc->tulip_chipid != TULIP_21140A 4829 && sc->tulip_chipid != TULIP_21041 4830#endif 4831 ) { 4832 error = EINVAL; 4833 break; 4834 } 4835 ifp->if_mtu = ifr->ifr_mtu; 4836#ifdef BIG_PACKET 4837 tulip_reset(sc); 4838 tulip_init(sc); 4839#endif 4840 break; 4841#endif /* SIOCSIFMTU */ 4842 4843#ifdef SIOCGADDRROM 4844 case SIOCGADDRROM: { 4845 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4846 break; 4847 } 4848#endif 4849#ifdef SIOCGCHIPID 4850 case SIOCGCHIPID: { 4851 ifr->ifr_metric = (int) sc->tulip_chipid; 4852 break; 4853 } 4854#endif 4855 default: { 4856 error = EINVAL; 4857 break; 4858 } 4859 } 4860 4861 TULIP_RESTORESPL(s); 4862 TULIP_PERFEND(ifioctl); 4863 return error; 4864} 4865 4866/* 4867 * These routines gets called at device spl (from ether_output). This might 4868 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4869 * device spl from another driver. 4870 */ 4871 4872static ifnet_ret_t 4873tulip_ifstart( 4874 struct ifnet * const ifp) 4875{ 4876 TULIP_PERFSTART(ifstart) 4877 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4878 4879 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4880 4881 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4882 tulip_txput_setup(sc); 4883 4884 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4885 struct mbuf *m; 4886 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4887 if ((m = tulip_txput(sc, m)) != NULL) { 4888 IF_PREPEND(&sc->tulip_if.if_snd, m); 4889 break; 4890 } 4891 } 4892 if (sc->tulip_if.if_snd.ifq_head == NULL) 4893 sc->tulip_if.if_start = tulip_ifstart_one; 4894 } 4895 4896 TULIP_PERFEND(ifstart); 4897} 4898 4899static ifnet_ret_t 4900tulip_ifstart_one( 4901 struct ifnet * const ifp) 4902{ 4903 TULIP_PERFSTART(ifstart_one) 4904 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4905 4906 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4907 && sc->tulip_if.if_snd.ifq_head != NULL) { 4908 struct mbuf *m; 4909 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4910 if ((m = tulip_txput(sc, m)) != NULL) 4911 IF_PREPEND(&sc->tulip_if.if_snd, m); 4912 } 4913 TULIP_PERFEND(ifstart_one); 4914} 4915 4916/* 4917 * Even though this routine runs at device spl, it does not break 4918 * our use of splnet (splsoftnet under NetBSD) for the majority 4919 * of this driver (if TULIP_USE_SOFTINTR defined) since 4920 * if_watcbog is called from if_watchdog which is called from 4921 * splsoftclock which is below spl[soft]net. 4922 */ 4923static void 4924tulip_ifwatchdog( 4925 struct ifnet *ifp) 4926{ 4927 TULIP_PERFSTART(ifwatchdog) 4928 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4929 4930#if defined(TULIP_DEBUG) 4931 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4932 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4933 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4934 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4935#endif /* TULIP_DEBUG */ 4936 4937 sc->tulip_if.if_timer = 1; 4938 /* 4939 * These should be rare so do a bulk test up front so we can just skip 4940 * them if needed. 4941 */ 4942 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4943 /* 4944 * If the number of receive buffer is low, try to refill 4945 */ 4946 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4947 tulip_rx_intr(sc); 4948 4949 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4950 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4951 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4952 tulip_system_errors[sc->tulip_last_system_error]); 4953 } 4954 if (sc->tulip_statusbits) { 4955 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4956 sc->tulip_statusbits = 0; 4957 } 4958 4959 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4960 } 4961 4962 if (sc->tulip_txtimer) 4963 tulip_tx_intr(sc); 4964 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4965 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4966 if (TULIP_DO_AUTOSENSE(sc)) { 4967 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4968 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4969 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4970 } 4971 tulip_reset(sc); 4972 tulip_init(sc); 4973 } 4974 4975 TULIP_PERFEND(ifwatchdog); 4976 TULIP_PERFMERGE(sc, perf_intr_cycles); 4977 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4978 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4979 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4980 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4981 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4982 TULIP_PERFMERGE(sc, perf_txput_cycles); 4983 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4984 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4985 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4986 TULIP_PERFMERGE(sc, perf_intr); 4987 TULIP_PERFMERGE(sc, perf_ifstart); 4988 TULIP_PERFMERGE(sc, perf_ifioctl); 4989 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4990 TULIP_PERFMERGE(sc, perf_timeout); 4991 TULIP_PERFMERGE(sc, perf_ifstart_one); 4992 TULIP_PERFMERGE(sc, perf_txput); 4993 TULIP_PERFMERGE(sc, perf_txintr); 4994 TULIP_PERFMERGE(sc, perf_rxintr); 4995 TULIP_PERFMERGE(sc, perf_rxget); 4996} 4997 4998#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4999static ifnet_ret_t 5000tulip_ifwatchdog_wrapper( 5001 int unit) 5002{ 5003 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 5004} 5005#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 5006#endif 5007 5008/* 5009 * All printf's are real as of now! 5010 */ 5011#ifdef printf 5012#undef printf 5013#endif 5014#if !defined(IFF_NOTRAILERS) 5015#define IFF_NOTRAILERS 0 5016#endif 5017 5018static void 5019tulip_attach( 5020 tulip_softc_t * const sc) 5021{ 5022 struct ifnet * const ifp = &sc->tulip_if; 5023 5024 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 5025 ifp->if_ioctl = tulip_ifioctl; 5026 ifp->if_start = tulip_ifstart; 5027 ifp->if_watchdog = tulip_ifwatchdog; 5028 ifp->if_timer = 1; 5029#if !defined(__bsdi__) || _BSDI_VERSION < 199401 5030 ifp->if_output = ether_output; 5031#endif 5032#if defined(__bsdi__) && _BSDI_VERSION < 199401 5033 ifp->if_mtu = ETHERMTU; 5034#endif 5035 5036#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5037 aprint_naive(": DEC Ethernet"); 5038 aprint_normal(": %s%s", sc->tulip_boardid, 5039 tulip_chipdescs[sc->tulip_chipid]); 5040 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 5041 sc->tulip_revinfo & 0x0F); 5042 printf("\n"); 5043 sc->tulip_pf = aprint_normal; 5044 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5045 TULIP_PRINTF_ARGS, 5046 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5047#else 5048 printf( 5049#if defined(__bsdi__) 5050 "\n" 5051#endif 5052 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", 5053 TULIP_PRINTF_ARGS, 5054 sc->tulip_boardid, 5055 tulip_chipdescs[sc->tulip_chipid], 5056 (sc->tulip_revinfo & 0xF0) >> 4, 5057 sc->tulip_revinfo & 0x0F, 5058 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 5059 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 5060 printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 5061 TULIP_PRINTF_ARGS, 5062 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 5063#endif 5064 5065#if defined(__alpha__) 5066 /* 5067 * In case the SRM console told us about a bogus media, 5068 * we need to check to be safe. 5069 */ 5070 if (sc->tulip_mediums[sc->tulip_media] == NULL) 5071 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 5072#endif 5073 5074 (*sc->tulip_boardsw->bd_media_probe)(sc); 5075#if defined(IFM_ETHER) 5076 ifmedia_init(&sc->tulip_ifmedia, 0, 5077 tulip_ifmedia_change, 5078 tulip_ifmedia_status); 5079#else 5080 { 5081 tulip_media_t media; 5082 int cnt; 5083 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 5084 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 5085 if (sc->tulip_mediums[media] != NULL) { 5086 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 5087 cnt++; 5088 } 5089 } 5090 if (cnt == 1) { 5091 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 5092 printf(" none\n"); 5093 } else { 5094 printf("\n"); 5095 } 5096 } 5097#endif 5098 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 5099#if defined(IFM_ETHER) 5100 tulip_ifmedia_add(sc); 5101#endif 5102 5103 tulip_reset(sc); 5104 5105#if defined(__bsdi__) && _BSDI_VERSION >= 199510 5106 sc->tulip_pf = printf; 5107 TULIP_ETHER_IFATTACH(sc); 5108#else 5109 if_attach(ifp); 5110#if defined(__FreeBSD__) && __FreeBSD_version >= 300000 5111 ifp->if_snd.ifq_maxlen = ifqmaxlen; 5112#endif 5113#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 5114 TULIP_ETHER_IFATTACH(sc); 5115#endif 5116#endif /* __bsdi__ */ 5117 5118#if NBPFILTER > 0 5119 TULIP_BPF_ATTACH(sc); 5120#endif 5121 5122#if defined(__NetBSD__) && NRND > 0 5123 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 5124 RND_TYPE_NET, 0); 5125#endif 5126} 5127 5128#if defined(TULIP_BUS_DMA) 5129#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 5130static int 5131tulip_busdma_allocmem( 5132 tulip_softc_t * const sc, 5133 size_t size, 5134 bus_dmamap_t *map_p, 5135 tulip_desc_t **desc_p) 5136{ 5137 bus_dma_segment_t segs[1]; 5138 int nsegs, error; 5139 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, CLBYTES, 5140 segs, sizeof(segs)/sizeof(segs[0]), 5141 &nsegs, BUS_DMA_NOWAIT); 5142 if (error == 0) { 5143 void *desc; 5144 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 5145 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 5146 if (error == 0) { 5147 bus_dmamap_t map; 5148 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 5149 BUS_DMA_NOWAIT, &map); 5150 if (error == 0) { 5151 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 5152 size, NULL, BUS_DMA_NOWAIT); 5153 if (error) 5154 bus_dmamap_destroy(sc->tulip_dmatag, map); 5155 else 5156 *map_p = map; 5157 } 5158 if (error) 5159 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 5160 } 5161 if (error) 5162 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 5163 else 5164 *desc_p = desc; 5165 } 5166 return error; 5167} 5168#endif 5169 5170static int 5171tulip_busdma_init( 5172 tulip_softc_t * const sc) 5173{ 5174 int error = 0; 5175 5176#if !defined(TULIP_BUS_DMA_NOTX) 5177 /* 5178 * Allocate dmamap for setup descriptor 5179 */ 5180 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 5181 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 5182 &sc->tulip_setupmap); 5183 if (error == 0) { 5184 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 5185 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 5186 NULL, BUS_DMA_NOWAIT); 5187 if (error) 5188 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 5189 } 5190 /* 5191 * Allocate space and dmamap for transmit ring 5192 */ 5193 if (error == 0) { 5194 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 5195 &sc->tulip_txdescmap, 5196 &sc->tulip_txdescs); 5197 } 5198 5199 /* 5200 * Allocate dmamaps for each transmit descriptors 5201 */ 5202 if (error == 0) { 5203 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 5204 bus_dmamap_t map; 5205 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 5206 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 5207 } 5208 if (error) { 5209 while (sc->tulip_txmaps_free > 0) 5210 bus_dmamap_destroy(sc->tulip_dmatag, 5211 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 5212 } 5213 } 5214#else 5215 if (error == 0) { 5216 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5217 if (sc->tulip_txdescs == NULL) 5218 error = ENOMEM; 5219 } 5220#endif 5221#if !defined(TULIP_BUS_DMA_NORX) 5222 /* 5223 * Allocate space and dmamap for receive ring 5224 */ 5225 if (error == 0) { 5226 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5227 &sc->tulip_rxdescmap, 5228 &sc->tulip_rxdescs); 5229 } 5230 5231 /* 5232 * Allocate dmamaps for each receive descriptors 5233 */ 5234 if (error == 0) { 5235 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5236 bus_dmamap_t map; 5237 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5238 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5239 } 5240 if (error) { 5241 while (sc->tulip_rxmaps_free > 0) 5242 bus_dmamap_destroy(sc->tulip_dmatag, 5243 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5244 } 5245 } 5246#else 5247 if (error == 0) { 5248 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5249 if (sc->tulip_rxdescs == NULL) 5250 error = ENOMEM; 5251 } 5252#endif 5253 return error; 5254} 5255#endif /* TULIP_BUS_DMA */ 5256 5257static void 5258tulip_initcsrs( 5259 tulip_softc_t * const sc, 5260 tulip_csrptr_t csr_base, 5261 size_t csr_size) 5262{ 5263 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5264 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5265 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5266 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5267 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5268 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5269 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5270 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5271 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5272 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5273 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5274 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5275 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5276 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5277 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5278 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5279#if defined(TULIP_EISA) 5280 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 5281#endif 5282} 5283 5284static void 5285tulip_initring( 5286 tulip_softc_t * const sc, 5287 tulip_ringinfo_t * const ri, 5288 tulip_desc_t *descs, 5289 int ndescs) 5290{ 5291 ri->ri_max = ndescs; 5292 ri->ri_first = descs; 5293 ri->ri_last = ri->ri_first + ri->ri_max; 5294 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5295 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5296} 5297 5298/* 5299 * This is the PCI configuration support. Since the 21040 is available 5300 * on both EISA and PCI boards, one must be careful in how defines the 5301 * 21040 in the config file. 5302 */ 5303 5304#define PCI_CFID 0x00 /* Configuration ID */ 5305#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 5306#define PCI_CFRV 0x08 /* Configuration Revision */ 5307#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 5308#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5309#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5310#define PCI_CFIT 0x3c /* Configuration Interrupt */ 5311#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5312 5313#if defined(TULIP_EISA) 5314static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5315#endif 5316 5317#if defined(__FreeBSD__) 5318 5319#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5320#define TULIP_SHUTDOWN_ARGS int howto, void * arg 5321 5322#if defined(TULIP_DEVCONF) 5323static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5324 5325static int 5326tulip_pci_shutdown( 5327 struct kern_devconf * const kdc, 5328 int force) 5329{ 5330 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5331 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5332 if (sc != NULL) 5333 tulip_shutdown(0, sc); 5334 } 5335 (void) dev_detach(kdc); 5336 return 0; 5337} 5338#endif 5339 5340static const char* 5341tulip_pci_probe( 5342 pcici_t config_id, 5343 pcidi_t device_id) 5344{ 5345 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5346 return NULL; 5347 if (PCI_CHIPID(device_id) == CHIPID_21040) 5348 return "Digital 21040 Ethernet"; 5349 if (PCI_CHIPID(device_id) == CHIPID_21041) 5350 return "Digital 21041 Ethernet"; 5351 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5352 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5353 if (revinfo >= 0x20) 5354 return "Digital 21140A Fast Ethernet"; 5355 else 5356 return "Digital 21140 Fast Ethernet"; 5357 } 5358 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5359 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5360 if (revinfo >= 0x20) 5361 return "Digital 21143 Fast Ethernet"; 5362 else 5363 return "Digital 21142 Fast Ethernet"; 5364 } 5365 return NULL; 5366} 5367 5368static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5369static u_long tulip_pci_count; 5370 5371static struct pci_device dedevice = { 5372 "de", 5373 tulip_pci_probe, 5374 tulip_pci_attach, 5375 &tulip_pci_count, 5376#if defined(TULIP_DEVCONF) 5377 tulip_pci_shutdown, 5378#endif 5379}; 5380 5381#ifdef COMPAT_PCI_DRIVER 5382COMPAT_PCI_DRIVER(de, dedevice); 5383#else 5384DATA_SET (pcidevice_set, dedevice); 5385#endif /* COMPAT_PCI_DRIVER */ 5386#endif /* __FreeBSD__ */ 5387 5388#if defined(__bsdi__) 5389#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5390#define TULIP_SHUTDOWN_ARGS void *arg 5391 5392static int 5393tulip_pci_match( 5394 pci_devaddr_t *pa) 5395{ 5396 int irq; 5397 unsigned id; 5398 5399 id = pci_inl(pa, PCI_VENDOR_ID); 5400 if (PCI_VENDORID(id) != DEC_VENDORID) 5401 return 0; 5402 id = PCI_CHIPID(id); 5403 if (id != CHIPID_21040 && id != CHIPID_21041 5404 && id != CHIPID_21140 && id != CHIPID_21142) 5405 return 0; 5406 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5407 if (irq == 0 || irq >= 16) { 5408 printf("de?: invalid IRQ %d; skipping\n", irq); 5409 return 0; 5410 } 5411 return 1; 5412} 5413 5414static int 5415tulip_probe( 5416 struct device *parent, 5417 struct cfdata *cf, 5418 void *aux) 5419{ 5420 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5421 unsigned irq, slot; 5422 pci_devaddr_t *pa; 5423 5424#if _BSDI_VERSION >= 199401 5425 switch (ia->ia_bustype) { 5426 case BUS_PCI: 5427#endif 5428 pa = pci_scan(tulip_pci_match); 5429 if (pa == NULL) 5430 return 0; 5431 5432 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5433 5434 /* Get the base address; assume the BIOS set it up correctly */ 5435#if defined(TULIP_IOMAPPED) 5436 ia->ia_maddr = NULL; 5437 ia->ia_msize = 0; 5438 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5439 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5440 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5441 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5442 5443 /* Disable memory space access */ 5444 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5445#else 5446 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5447 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5448 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5449 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5450 ia->ia_iobase = 0; 5451 ia->ia_iosize = 0; 5452 5453 /* Disable I/O space access */ 5454 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5455#endif /* TULIP_IOMAPPED */ 5456 5457 ia->ia_aux = (void *) pa; 5458#if _BSDI_VERSION >= 199401 5459 break; 5460 5461#if defined(TULIP_EISA) 5462 case BUS_EISA: { 5463 unsigned tmp; 5464 5465 if ((slot = eisa_match(cf, ia)) == 0) 5466 return 0; 5467 ia->ia_iobase = slot << 12; 5468 ia->ia_iosize = EISA_NPORT; 5469 eisa_slotalloc(slot); 5470 tmp = inb(ia->ia_iobase + DE425_CFG0); 5471 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5472 /* 5473 * Until BSD/OS likes level interrupts, force 5474 * the DE425 into edge-triggered mode. 5475 */ 5476 if ((tmp & 1) == 0) 5477 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5478 /* 5479 * CBIO needs to map to the EISA slot 5480 * enable I/O access and Master 5481 */ 5482 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5483 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5484 ia->ia_aux = NULL; 5485 break; 5486 } 5487#endif /* TULIP_EISA */ 5488 default: 5489 return 0; 5490 } 5491#endif 5492 5493 /* PCI bus masters don't use host DMA channels */ 5494 ia->ia_drq = DRQNONE; 5495 5496 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5497 printf("de%d: error: desired IRQ of %d does not match device's " 5498 "actual IRQ of %d,\n", 5499 cf->cf_unit, 5500 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5501 return 0; 5502 } 5503 if (ia->ia_irq == IRQUNK) 5504 ia->ia_irq = irq; 5505#ifdef IRQSHARE 5506 ia->ia_irq |= IRQSHARE; 5507#endif 5508 return 1; 5509} 5510 5511static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5512 5513#if defined(TULIP_EISA) 5514static char *tulip_eisa_ids[] = { 5515 "DEC4250", 5516 NULL 5517}; 5518#endif 5519 5520struct cfdriver decd = { 5521 0, "de", tulip_probe, tulip_pci_attach, 5522#if _BSDI_VERSION >= 199401 5523 DV_IFNET, 5524#endif 5525 sizeof(tulip_softc_t), 5526#if defined(TULIP_EISA) 5527 tulip_eisa_ids 5528#endif 5529}; 5530 5531#endif /* __bsdi__ */ 5532 5533#if defined(__NetBSD__) 5534#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5535#define TULIP_SHUTDOWN_ARGS void *arg 5536static int 5537tulip_pci_probe( 5538 struct device *parent, 5539 struct cfdata *match, 5540 void *aux) 5541{ 5542 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5543 5544 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5545 return 0; 5546 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5547 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5548 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5549 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5550 return 1; 5551 5552 return 0; 5553} 5554 5555static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5556 5557struct cfattach de_ca = { 5558 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5559}; 5560 5561#endif /* __NetBSD__ */ 5562 5563static void 5564tulip_shutdown( 5565 TULIP_SHUTDOWN_ARGS) 5566{ 5567 tulip_softc_t * const sc = arg; 5568 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5569 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5570 33MHz that comes to two microseconds but wait a 5571 bit longer anyways) */ 5572} 5573 5574static void 5575tulip_pci_attach( 5576 TULIP_PCI_ATTACH_ARGS) 5577{ 5578#if defined(__FreeBSD__) 5579 tulip_softc_t *sc; 5580#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5581#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5582#if __FreeBSD_version >= 300000 5583#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = (config_id->bus), /* XXX */ \ 5584 (sc)->tulip_pci_devno = (config_id->slot))) /* XXX */ 5585#else 5586#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5587 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5588#endif 5589#endif 5590#if defined(__bsdi__) 5591 tulip_softc_t * const sc = (tulip_softc_t *) self; 5592 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5593 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5594 const int unit = sc->tulip_dev.dv_unit; 5595#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5596#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5597#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5598 (sc)->tulip_pci_devno = pa->d_agent)) 5599#endif 5600#if defined(__NetBSD__) 5601 tulip_softc_t * const sc = (tulip_softc_t *) self; 5602 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5603 const int unit = sc->tulip_dev.dv_unit; 5604#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5605#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5606#define PCI_GETBUSDEVINFO(sc) do { \ 5607 (sc)->tulip_pci_busno = parent; \ 5608 (sc)->tulip_pci_devno = pa->pa_device; \ 5609 } while (0) 5610#if defined(__alpha__) 5611 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5612#endif 5613#endif /* __NetBSD__ */ 5614 int retval, idx; 5615 u_int32_t revinfo, cfdainfo, id; 5616#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5617 vm_offset_t pa_csrs; 5618#endif 5619 unsigned csroffset = TULIP_PCI_CSROFFSET; 5620 unsigned csrsize = TULIP_PCI_CSRSIZE; 5621 tulip_csrptr_t csr_base; 5622 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5623 5624 if (unit >= TULIP_MAX_DEVICES) { 5625#ifdef __FreeBSD__ 5626 printf("de%d", unit); 5627#endif 5628 printf(": not configured; limit of %d reached or exceeded\n", 5629 TULIP_MAX_DEVICES); 5630 return; 5631 } 5632 5633#if defined(__bsdi__) 5634 if (pa != NULL) { 5635 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5636 id = pci_inl(pa, PCI_CFID); 5637 cfdainfo = pci_inl(pa, PCI_CFDA); 5638#if defined(TULIP_EISA) 5639 } else { 5640 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5641 csroffset = TULIP_EISA_CSROFFSET; 5642 csrsize = TULIP_EISA_CSRSIZE; 5643 chipid = TULIP_DE425; 5644 cfdainfo = 0; 5645#endif /* TULIP_EISA */ 5646 } 5647#else /* __bsdi__ */ 5648 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5649 id = PCI_CONF_READ(PCI_CFID); 5650 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5651#endif /* __bsdi__ */ 5652 5653 if (PCI_VENDORID(id) == DEC_VENDORID) { 5654 if (PCI_CHIPID(id) == CHIPID_21040) 5655 chipid = TULIP_21040; 5656 else if (PCI_CHIPID(id) == CHIPID_21041) 5657 chipid = TULIP_21041; 5658 else if (PCI_CHIPID(id) == CHIPID_21140) 5659 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5660 else if (PCI_CHIPID(id) == CHIPID_21142) 5661 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5662 } 5663 if (chipid == TULIP_CHIPID_UNKNOWN) 5664 return; 5665 5666 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5667#ifdef __FreeBSD__ 5668 printf("de%d", unit); 5669#endif 5670 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5671 revinfo >> 4, revinfo & 0x0f); 5672 return; 5673 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5674#ifndef __FreeBSD__ 5675 printf("\n"); 5676#endif 5677 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5678 unit, revinfo >> 4, revinfo & 0x0f); 5679 return; 5680 } 5681 5682#if defined(__FreeBSD__) 5683 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5684 if (sc == NULL) 5685 return; 5686 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5687#endif 5688 5689 PCI_GETBUSDEVINFO(sc); 5690 sc->tulip_chipid = chipid; 5691 sc->tulip_flags |= TULIP_DEVICEPROBE; 5692 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5693 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5694 if (chipid == TULIP_21140A && revinfo <= 0x22) 5695 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5696 if (chipid == TULIP_21140) 5697 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5698 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5699 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5700 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5701 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5702 if (chipid != TULIP_21041 || revinfo >= 0x20) 5703 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5704 if (chipid != TULIP_21041) 5705 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5706 if (chipid != TULIP_21041 && revinfo >= 0x20) 5707 sc->tulip_features |= TULIP_HAVE_SIA100; 5708 } 5709 5710 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5711 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5712 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5713 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5714 DELAY(11*1000); 5715 } 5716#if defined(__alpha__) && defined(__NetBSD__) 5717 /* 5718 * The Alpha SRM console encodes a console set media in the driver 5719 * part of the CFDA register. Note that the Multia presents a 5720 * problem in that its BNC mode is really EXTSIA. So in that case 5721 * force a probe. 5722 */ 5723 switch ((cfdainfo >> 8) & 0xff) { 5724 case 1: media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5725 case 2: media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5726 case 3: media = TULIP_MEDIA_10BASET; break; 5727 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5728 case 5: media = TULIP_MEDIA_100BASETX; break; 5729 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5730 default: media = TULIP_MEDIA_UNKNOWN; break; 5731 } 5732#endif 5733 5734#if defined(__NetBSD__) 5735 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5736 sc->tulip_if.if_softc = sc; 5737 sc->tulip_pc = pa->pa_pc; 5738#if defined(TULIP_BUS_DMA) 5739 sc->tulip_dmatag = pa->pa_dmat; 5740#endif 5741#else 5742 sc->tulip_unit = unit; 5743 sc->tulip_name = "de"; 5744#endif 5745 sc->tulip_revinfo = revinfo; 5746#if defined(__FreeBSD__) 5747#if BSD >= 199506 5748 sc->tulip_if.if_softc = sc; 5749#endif 5750#if defined(TULIP_IOMAPPED) 5751 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5752#else 5753 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5754#endif 5755 if (!retval) { 5756 free((caddr_t) sc, M_DEVBUF); 5757 return; 5758 } 5759 tulips[unit] = sc; 5760#endif /* __FreeBSD__ */ 5761 5762#if defined(__bsdi__) 5763 sc->tulip_pf = printf; 5764#if defined(TULIP_IOMAPPED) 5765 csr_base = ia->ia_iobase; 5766#else 5767 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5768#endif 5769#endif /* __bsdi__ */ 5770 5771#if defined(__NetBSD__) 5772 csr_base = 0; 5773 { 5774 bus_space_tag_t iot, memt; 5775 bus_space_handle_t ioh, memh; 5776 int ioh_valid, memh_valid; 5777 5778 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5779 &iot, &ioh, NULL, NULL) == 0); 5780 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5781 PCI_MAPREG_TYPE_MEM | 5782 PCI_MAPREG_MEM_TYPE_32BIT, 5783 0, &memt, &memh, NULL, NULL) == 0); 5784 if (memh_valid) { 5785 sc->tulip_bustag = memt; 5786 sc->tulip_bushandle = memh; 5787 } else if (ioh_valid) { 5788 sc->tulip_bustag = iot; 5789 sc->tulip_bushandle = ioh; 5790 } else { 5791 printf(": unable to map device registers\n"); 5792 return; 5793 } 5794 } 5795#endif /* __NetBSD__ */ 5796 5797 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5798 5799#if defined(TULIP_BUS_DMA) 5800 if ((retval = tulip_busdma_init(sc)) != 0) { 5801 printf("error initing bus_dma: %d\n", retval); 5802 return; 5803 } 5804#else 5805#if defined(__FreeBSD__) 5806 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5807 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5808 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5809 printf("malloc failed\n"); 5810 if (sc->tulip_rxdescs) 5811 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5812 if (sc->tulip_txdescs) 5813 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5814 free((caddr_t) sc, M_DEVBUF); 5815 return; 5816 } 5817#else 5818 sc->tulip_txdescs = (tulip_desc_t *) malloc((TULIP_TXDESCS+TULIP_RXDESCS)*sizeof(tulip_desc_t), M_DEVBUF, M_WAITOK); 5819 sc->tulip_rxdescs = sc->tulip_txdescs + TULIP_TXDESCS; 5820#endif 5821#endif 5822 5823 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5824 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5825 5826 /* 5827 * Make sure there won't be any interrupts or such... 5828 */ 5829 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5830 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5831 33MHz that comes to two microseconds but wait a 5832 bit longer anyways) */ 5833 5834 if ((retval = tulip_read_macaddr(sc)) < 0) { 5835#if defined(__FreeBSD__) 5836 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5837#endif 5838 printf(": can't read ENET ROM (why=%d) (", retval); 5839 for (idx = 0; idx < 32; idx++) 5840 printf("%02x", sc->tulip_rombuf[idx]); 5841 printf("\n"); 5842 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", 5843 TULIP_PRINTF_ARGS, 5844 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5845 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5846 printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); 5847 } else { 5848 tulip_spl_t s; 5849 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5850 5851 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5852 intr_rtn = tulip_intr_shared; 5853 5854#if defined(__NetBSD__) 5855 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5856 pci_intr_handle_t intrhandle; 5857 const char *intrstr; 5858 5859 printf("\n"); 5860 5861 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 5862 pa->pa_intrline, &intrhandle)) { 5863 printf("%s: couldn't map interrupt\n", sc->tulip_dev.dv_xname); 5864 return; 5865 } 5866 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5867 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5868 intr_rtn, sc); 5869 if (sc->tulip_ih == NULL) { 5870 printf("%s: couldn't establish interrupt", 5871 sc->tulip_dev.dv_xname); 5872 if (intrstr != NULL) 5873 printf(" at %s", intrstr); 5874 printf("\n"); 5875 return; 5876 } 5877 printf("%s: interrupting at %s\n", sc->tulip_dev.dv_xname, intrstr); 5878 } 5879 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5880 if (sc->tulip_ats == NULL) 5881 printf("%s: warning: couldn't establish shutdown hook\n", 5882 sc->tulip_xname); 5883#endif 5884#if defined(__FreeBSD__) 5885 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5886 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5887 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5888 TULIP_PRINTF_ARGS); 5889 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5890 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5891 free((caddr_t) sc, M_DEVBUF); 5892 return; 5893 } 5894 } 5895#if !defined(TULIP_DEVCONF) 5896 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5897#endif 5898#endif 5899#if defined(__bsdi__) 5900 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5901 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5902 5903 sc->tulip_ih.ih_fun = intr_rtn; 5904 sc->tulip_ih.ih_arg = (void *) sc; 5905 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5906 } 5907 5908 sc->tulip_ats.func = tulip_shutdown; 5909 sc->tulip_ats.arg = (void *) sc; 5910 atshutdown(&sc->tulip_ats, ATSH_ADD); 5911#endif 5912#if defined(TULIP_USE_SOFTINTR) 5913 if (sc->tulip_unit > tulip_softintr_max_unit) 5914 tulip_softintr_max_unit = sc->tulip_unit; 5915#endif 5916 5917 s = TULIP_RAISESPL(); 5918#if defined(__alpha__) && defined(__NetBSD__) 5919 sc->tulip_media = media; 5920#endif 5921 tulip_attach(sc); 5922#if defined(__alpha__) && defined(__NetBSD__) 5923 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5924 tulip_linkup(sc, media); 5925#endif 5926 TULIP_RESTORESPL(s); 5927 } 5928} 5929