if_de.c revision 1.51
1/* $OpenBSD: if_de.c,v 1.51 2001/09/21 17:55:43 miod Exp $ */ 2/* $NetBSD: if_de.c,v 1.45 1997/06/09 00:34:18 thorpej 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 1.89 1997/06/03 19:19:55 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#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/mbuf.h> 45#include <sys/protosw.h> 46#include <sys/socket.h> 47#include <sys/ioctl.h> 48#include <sys/errno.h> 49#include <sys/malloc.h> 50#include <sys/kernel.h> 51#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */ 52#if defined(__FreeBSD__) 53#include <machine/clock.h> 54#elif defined(__bsdi__) || defined(__NetBSD__) || defined(__OpenBSD__) 55#include <sys/device.h> 56#endif 57#ifdef __OpenBSD__ 58#include <sys/timeout.h> 59#endif 60 61#include <net/if.h> 62#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 63#include <net/if_media.h> 64#endif 65#include <net/if_types.h> 66#include <net/if_dl.h> 67#include <net/route.h> 68#include <net/netisr.h> 69 70#if defined(__bsdi__) && _BSDI_VERSION >= 199701 71#include <dev/mii/mii.h> 72#include <dev/mii/miivar.h> 73#endif 74 75#include "bpfilter.h" 76#if NBPFILTER > 0 77#include <net/bpf.h> 78#include <net/bpfdesc.h> 79#endif 80 81#ifdef INET 82#include <netinet/in.h> 83#include <netinet/in_systm.h> 84#include <netinet/in_var.h> 85#include <netinet/ip.h> 86#endif 87 88#ifdef NS 89#include <netns/ns.h> 90#include <netns/ns_if.h> 91#endif 92 93#include <vm/vm.h> 94 95#if defined(__FreeBSD__) 96#include <vm/pmap.h> 97#include <pci.h> 98#include <netinet/if_ether.h> 99#if NPCI > 0 100#include <pci/pcivar.h> 101#include <pci/dc21040reg.h> 102#define DEVAR_INCLUDE "pci/if_devar.h" 103#endif 104#endif /* __FreeBSD__ */ 105 106#if defined(__bsdi__) 107#include <netinet/if_ether.h> 108#include <i386/pci/ic/dc21040reg.h> 109#include <i386/isa/isa.h> 110#include <i386/isa/icu.h> 111#include <i386/isa/dma.h> 112#include <i386/isa/isavar.h> 113#include <i386/pci/pci.h> 114#if _BSDI_VERSION < 199510 115#include <eisa.h> 116#else 117#define NEISA 0 118#endif 119#if NEISA > 0 && _BSDI_VERSION >= 199401 120#include <i386/eisa/eisa.h> 121#define TULIP_EISA 122#endif 123#define DEVAR_INCLUDE "i386/pci/if_devar.h" 124#endif /* __bsdi__ */ 125 126#if defined(__NetBSD__) 127#include <net/if_ether.h> 128#if defined(INET) 129#include <netinet/if_inarp.h> 130#endif 131#endif 132 133#if defined(__OpenBSD__) 134#include <netinet/if_ether.h> 135#endif 136 137#if defined(__NetBSD__) || defined(__OpenBSD__) 138#include <machine/bus.h> 139#if defined(__alpha__) 140#include <machine/intr.h> 141#endif 142#include <dev/pci/pcireg.h> 143#include <dev/pci/pcivar.h> 144#include <dev/pci/pcidevs.h> 145#include <dev/ic/dc21040reg.h> 146#define DEVAR_INCLUDE "dev/pci/if_devar.h" 147#endif /* __NetBSD__ */ 148 149/* 150 * Intel CPUs should use I/O mapped access. 151 */ 152#if defined(__i386__) || defined(TULIP_EISA) 153#define TULIP_IOMAPPED 154#endif 155 156/* 157 * This turns on all sort of debugging stuff and make the 158 * driver much larger. 159 */ 160#if 0 161#define TULIP_DEBUG 162#endif 163 164#if 0 165#define TULIP_USE_SOFTINTR 166#endif 167 168#define TULIP_HZ 10 169 170#include DEVAR_INCLUDE 171/* 172 * This module supports 173 * the DEC 21040 PCI Ethernet Controller. 174 * the DEC 21041 PCI Ethernet Controller. 175 * the DEC 21140 PCI Fast Ethernet Controller. 176 */ 177static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 178static tulip_intrfunc_t tulip_intr_shared(void *arg); 179static tulip_intrfunc_t tulip_intr_normal(void *arg); 180static void tulip_init(tulip_softc_t * const sc); 181static void tulip_reset(tulip_softc_t * const sc); 182static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 183static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 184static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 185static void tulip_txput_setup(tulip_softc_t * const sc); 186static void tulip_rx_intr(tulip_softc_t * const sc); 187static void tulip_addr_filter(tulip_softc_t * const sc); 188static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 189static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 190static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 191static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 192static int tulip_srom_decode(tulip_softc_t * const sc); 193#if defined(IFM_ETHER) 194static int tulip_ifmedia_change(struct ifnet * const ifp); 195static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 196#endif 197/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 198 199static void 200tulip_timeout_callback( 201 void *arg) 202{ 203 tulip_softc_t * const sc = arg; 204 tulip_spl_t s = TULIP_RAISESPL(); 205 206 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 207 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 208 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 209 TULIP_RESTORESPL(s); 210} 211 212static void 213tulip_timeout( 214 tulip_softc_t * const sc) 215{ 216 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 217 return; 218 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 219#ifdef __OpenBSD__ 220 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 221#else 222 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 223#endif 224} 225 226#if defined(TULIP_NEED_FASTTIMEOUT) 227static void 228tulip_fasttimeout_callback( 229 void *arg) 230{ 231 tulip_softc_t * const sc = arg; 232 tulip_spl_t s = TULIP_RAISESPL(); 233 234 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 235 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 236 TULIP_RESTORESPL(s); 237} 238 239static void 240tulip_fasttimeout( 241 tulip_softc_t * const sc) 242{ 243 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 244 return; 245 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 246#ifdef __OpenBSD__ 247 timeout_add(&sc->tulip_ftmo, 1); 248#else 249 timeout(tulip_fasttimeout_callback, sc, 1); 250#endif 251} 252#endif 253 254static int 255tulip_txprobe( 256 tulip_softc_t * const sc) 257{ 258 struct mbuf *m; 259 /* 260 * Before we are sure this is the right media we need 261 * to send a small packet to make sure there's carrier. 262 * Strangely, BNC and AUI will "see" receive data if 263 * either is connected so the transmit is the only way 264 * to verify the connectivity. 265 */ 266 MGETHDR(m, M_DONTWAIT, MT_DATA); 267 if (m == NULL) 268 return 0; 269 /* 270 * Construct a LLC TEST message which will point to ourselves. 271 */ 272 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 273 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 274 mtod(m, struct ether_header *)->ether_type = htons(3); 275 mtod(m, unsigned char *)[14] = 0; 276 mtod(m, unsigned char *)[15] = 0; 277 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 278 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 279 /* 280 * send it! 281 */ 282 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 283 sc->tulip_intrmask |= TULIP_STS_TXINTR; 284 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 285 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 286 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 287 if ((m = tulip_txput(sc, m)) != NULL) 288 m_freem(m); 289 sc->tulip_probe.probe_txprobes++; 290 return 1; 291} 292 293#ifdef BIG_PACKET 294#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 295#else 296#define TULIP_SIAGEN_WATCHDOG 0 297#endif 298 299static void 300tulip_media_set( 301 tulip_softc_t * const sc, 302 tulip_media_t media) 303{ 304 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 305 306 if (mi == NULL) 307 return; 308 309 /* 310 * If we are switching media, make sure we don't think there's 311 * any stale RX activity 312 */ 313 sc->tulip_flags &= ~TULIP_RXACT; 314 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 315 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 316 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 317 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 318 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 319 DELAY(50); 320 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 321 } else { 322 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 323 } 324 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 325 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 326#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 327 /* 328 * If the cmdmode bits don't match the currently operating mode, 329 * set the cmdmode appropriately and reset the chip. 330 */ 331 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 332 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 333 sc->tulip_cmdmode |= mi->mi_cmdmode; 334 tulip_reset(sc); 335 } 336 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 337 DELAY(10); 338 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 339 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 340 /* 341 * If the cmdmode bits don't match the currently operating mode, 342 * set the cmdmode appropriately and reset the chip. 343 */ 344 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 345 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 346 sc->tulip_cmdmode |= mi->mi_cmdmode; 347 tulip_reset(sc); 348 } 349 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 350 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 351 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 352 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 353 int idx; 354 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 355 const u_int8_t *dp; 356 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 357 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 358 DELAY(10); 359 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 360 } 361 sc->tulip_phyaddr = mi->mi_phyaddr; 362 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 363 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 364 DELAY(10); 365 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 366 } 367 } else { 368 for (idx = 0; idx < mi->mi_reset_length; idx++) { 369 DELAY(10); 370 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 371 } 372 sc->tulip_phyaddr = mi->mi_phyaddr; 373 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 374 DELAY(10); 375 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 376 } 377 } 378 if (sc->tulip_flags & TULIP_TRYNWAY) { 379 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 380 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 381 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 382 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 383 sc->tulip_flags &= ~TULIP_DIDNWAY; 384 if (TULIP_IS_MEDIA_FD(media)) 385 data |= PHYCTL_FULL_DUPLEX; 386 if (TULIP_IS_MEDIA_100MB(media)) 387 data |= PHYCTL_SELECT_100MB; 388 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 389 } 390 } 391} 392 393static void 394tulip_linkup( 395 tulip_softc_t * const sc, 396 tulip_media_t media) 397{ 398 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 399 sc->tulip_flags |= TULIP_PRINTLINKUP; 400 sc->tulip_flags |= TULIP_LINKUP; 401 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 402#if 0 /* XXX how does with work with ifmedia? */ 403 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 404 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 405 if (TULIP_CAN_MEDIA_FD(media) 406 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 407 media = TULIP_FD_MEDIA_OF(media); 408 } else { 409 if (TULIP_IS_MEDIA_FD(media) 410 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 411 media = TULIP_HD_MEDIA_OF(media); 412 } 413 } 414#endif 415 if (sc->tulip_media != media) { 416#ifdef TULIP_DEBUG 417 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 418#endif 419 sc->tulip_media = media; 420 sc->tulip_flags |= TULIP_PRINTMEDIA; 421 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 422 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 423 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 424 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 425 } 426 } 427 /* 428 * We could set probe_timeout to 0 but setting to 3000 puts this 429 * in one central place and the only matters is tulip_link is 430 * followed by a tulip_timeout. Therefore setting it should not 431 * result in aberrant behavour. 432 */ 433 sc->tulip_probe_timeout = 3000; 434 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 435 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 436 if (sc->tulip_flags & TULIP_INRESET) { 437 tulip_media_set(sc, sc->tulip_media); 438 } else if (sc->tulip_probe_media != sc->tulip_media) { 439 /* 440 * No reason to change media if we have the right media. 441 */ 442 tulip_reset(sc); 443 } 444 tulip_init(sc); 445} 446 447static void 448tulip_media_print( 449 tulip_softc_t * const sc) 450{ 451 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 452 return; 453 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 454 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 455 TULIP_PRINTF_ARGS, 456 tulip_mediums[sc->tulip_media]); 457 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 458 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 459 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 460 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 461 } 462} 463 464#if defined(TULIP_DO_GPR_SENSE) 465static tulip_media_t 466tulip_21140_gpr_media_sense( 467 tulip_softc_t * const sc) 468{ 469 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 470 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 471 tulip_media_t media; 472 473 /* 474 * If one of the media blocks contained a default media flag, 475 * use that. 476 */ 477 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 478 const tulip_media_info_t *mi; 479 /* 480 * Media is not supported (or is full-duplex). 481 */ 482 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 483 continue; 484 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 485 continue; 486 487 /* 488 * Remember the media is this is the "default" media. 489 */ 490 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 491 maybe_media = media; 492 493 /* 494 * No activity mask? Can't see if it is active if there's no mask. 495 */ 496 if (mi->mi_actmask == 0) 497 continue; 498 499 /* 500 * Does the activity data match? 501 */ 502 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 503 continue; 504 505#if defined(TULIP_DEBUG) 506 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 507 TULIP_PRINTF_ARGS, tulip_mediums[media], 508 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 509 mi->mi_actmask, mi->mi_actdata); 510#endif 511 /* 512 * It does! If this is the first media we detected, then 513 * remember this media. If isn't the first, then there were 514 * multiple matches which we equate to no match (since we don't 515 * which to select (if any). 516 */ 517 if (last_media == TULIP_MEDIA_UNKNOWN) { 518 last_media = media; 519 } else if (last_media != media) { 520 last_media = TULIP_MEDIA_UNKNOWN; 521 } 522 } 523 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 524} 525#endif /* TULIP_DO_GPR_SENSE */ 526 527static tulip_link_status_t 528tulip_media_link_monitor( 529 tulip_softc_t * const sc) 530{ 531 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 532 tulip_link_status_t linkup = TULIP_LINK_DOWN; 533 534 if (mi == NULL) { 535#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 536 printf("tulip_media_link_monitor: %s: botch at line %d\n", 537 tulip_mediums[sc->tulip_media],__LINE__); 538#endif 539 return TULIP_LINK_UNKNOWN; 540 } 541 542 543 /* 544 * Have we seen some packets? If so, the link must be good. 545 */ 546 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 547 sc->tulip_flags &= ~TULIP_RXACT; 548 sc->tulip_probe_timeout = 3000; 549 return TULIP_LINK_UP; 550 } 551 552 sc->tulip_flags &= ~TULIP_RXACT; 553 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 554 u_int32_t status; 555 /* 556 * Read the PHY status register. 557 */ 558 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 559 if (status & PHYSTS_AUTONEG_DONE) { 560 /* 561 * If the PHY has completed autonegotiation, see the if the 562 * remote systems abilities have changed. If so, upgrade or 563 * downgrade as appropriate. 564 */ 565 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 566 abilities = (abilities << 6) & status; 567 if (abilities != sc->tulip_abilities) { 568#if defined(TULIP_DEBUG) 569 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 570 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 571 sc->tulip_abilities, abilities); 572#endif 573 if (tulip_mii_map_abilities(sc, abilities)) { 574 tulip_linkup(sc, sc->tulip_probe_media); 575 return TULIP_LINK_UP; 576 } 577 /* 578 * if we had selected media because of autonegotiation, 579 * we need to probe for the new media. 580 */ 581 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 582 if (sc->tulip_flags & TULIP_DIDNWAY) 583 return TULIP_LINK_DOWN; 584 } 585 } 586 /* 587 * The link is now up. If was down, say its back up. 588 */ 589 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 590 linkup = TULIP_LINK_UP; 591 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 592 /* 593 * No activity sensor? Assume all's well. 594 */ 595 if (mi->mi_actmask == 0) 596 return TULIP_LINK_UNKNOWN; 597 /* 598 * Does the activity data match? 599 */ 600 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 601 linkup = TULIP_LINK_UP; 602 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 603 /* 604 * Assume non TP ok for now. 605 */ 606 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 607 return TULIP_LINK_UNKNOWN; 608 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 609 linkup = TULIP_LINK_UP; 610#if defined(TULIP_DEBUG) 611 if (sc->tulip_probe_timeout <= 0) 612 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 613#endif 614 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 615 return TULIP_LINK_UNKNOWN; 616 } 617 /* 618 * We will wait for 3 seconds until the link goes into suspect mode. 619 */ 620 if (sc->tulip_flags & TULIP_LINKUP) { 621 if (linkup == TULIP_LINK_UP) 622 sc->tulip_probe_timeout = 3000; 623 if (sc->tulip_probe_timeout > 0) 624 return TULIP_LINK_UP; 625 626 sc->tulip_flags &= ~TULIP_LINKUP; 627 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 628 } 629#if defined(TULIP_DEBUG) 630 sc->tulip_dbg.dbg_link_downed++; 631#endif 632 return TULIP_LINK_DOWN; 633} 634 635static void 636tulip_media_poll( 637 tulip_softc_t * const sc, 638 tulip_mediapoll_event_t event) 639{ 640#if defined(TULIP_DEBUG) 641 sc->tulip_dbg.dbg_events[event]++; 642#endif 643 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 644 && event == TULIP_MEDIAPOLL_TIMER) { 645 switch (tulip_media_link_monitor(sc)) { 646 case TULIP_LINK_DOWN: { 647 /* 648 * Link Monitor failed. Probe for new media. 649 */ 650 event = TULIP_MEDIAPOLL_LINKFAIL; 651 break; 652 } 653 case TULIP_LINK_UP: { 654 /* 655 * Check again soon. 656 */ 657 tulip_timeout(sc); 658 return; 659 } 660 case TULIP_LINK_UNKNOWN: { 661 /* 662 * We can't tell so don't bother. 663 */ 664 return; 665 } 666 } 667 } 668 669 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 670 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 671 if (TULIP_DO_AUTOSENSE(sc)) { 672#if defined(TULIP_DEBUG) 673 sc->tulip_dbg.dbg_link_failures++; 674#endif 675 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 676 if (sc->tulip_if.if_flags & IFF_UP) 677 tulip_reset(sc); /* restart probe */ 678 } 679 return; 680 } 681#if defined(TULIP_DEBUG) 682 sc->tulip_dbg.dbg_link_pollintrs++; 683#endif 684 } 685 686 if (event == TULIP_MEDIAPOLL_START) { 687 sc->tulip_if.if_flags |= IFF_OACTIVE; 688 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 689 return; 690 sc->tulip_probe_mediamask = 0; 691 sc->tulip_probe_passes = 0; 692#if defined(TULIP_DEBUG) 693 sc->tulip_dbg.dbg_media_probes++; 694#endif 695 /* 696 * If the SROM contained an explicit media to use, use it. 697 */ 698 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 699 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 700 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 701 /* 702 * connidx is defaulted to a media_unknown type. 703 */ 704 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 705 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 706 tulip_linkup(sc, sc->tulip_probe_media); 707 tulip_timeout(sc); 708 return; 709 } 710 711 if (sc->tulip_features & TULIP_HAVE_GPR) { 712 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 713 sc->tulip_probe_timeout = 2000; 714 } else { 715 sc->tulip_probe_media = TULIP_MEDIA_MAX; 716 sc->tulip_probe_timeout = 0; 717 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 718 } 719 } 720 721 /* 722 * Ignore txprobe failures or spurious callbacks. 723 */ 724 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 725 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 726 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 727 return; 728 } 729 730 /* 731 * If we really transmitted a packet, then that's the media we'll use. 732 */ 733 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 734 if (event == TULIP_MEDIAPOLL_LINKPASS) { 735 /* XXX check media status just to be sure */ 736 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 737#if defined(TULIP_DEBUG) 738 } else { 739 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 740#endif 741 } 742 tulip_linkup(sc, sc->tulip_probe_media); 743 tulip_timeout(sc); 744 return; 745 } 746 747 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 748#if defined(TULIP_DO_GPR_SENSE) 749 /* 750 * Check for media via the general purpose register. 751 * 752 * Try to sense the media via the GPR. If the same value 753 * occurs 3 times in a row then just use that. 754 */ 755 if (sc->tulip_probe_timeout > 0) { 756 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 757#if defined(TULIP_DEBUG) 758 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 759 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 760#endif 761 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 762 if (new_probe_media == sc->tulip_probe_media) { 763 if (--sc->tulip_probe_count == 0) 764 tulip_linkup(sc, sc->tulip_probe_media); 765 } else { 766 sc->tulip_probe_count = 10; 767 } 768 } 769 sc->tulip_probe_media = new_probe_media; 770 tulip_timeout(sc); 771 return; 772 } 773#endif /* TULIP_DO_GPR_SENSE */ 774 /* 775 * Brute force. We cycle through each of the media types 776 * and try to transmit a packet. 777 */ 778 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 779 sc->tulip_probe_media = TULIP_MEDIA_MAX; 780 sc->tulip_probe_timeout = 0; 781 tulip_timeout(sc); 782 return; 783 } 784 785 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 786 && (sc->tulip_features & TULIP_HAVE_MII)) { 787 tulip_media_t old_media = sc->tulip_probe_media; 788 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 789 switch (sc->tulip_probe_state) { 790 case TULIP_PROBE_FAILED: 791 case TULIP_PROBE_MEDIATEST: { 792 /* 793 * Try the next media. 794 */ 795 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 796 sc->tulip_probe_timeout = 0; 797#ifdef notyet 798 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 799 break; 800 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 801 break; 802 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 803#endif 804 break; 805 } 806 case TULIP_PROBE_PHYAUTONEG: { 807 return; 808 } 809 case TULIP_PROBE_INACTIVE: { 810 /* 811 * Only probe if we autonegotiated a media that hasn't failed. 812 */ 813 sc->tulip_probe_timeout = 0; 814 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 815 sc->tulip_probe_media = old_media; 816 break; 817 } 818 tulip_linkup(sc, sc->tulip_probe_media); 819 tulip_timeout(sc); 820 return; 821 } 822 default: { 823#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 824 printf("tulip_media_poll: botch at line %d\n", __LINE__); 825#endif 826 break; 827 } 828 } 829 } 830 831 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 832#if defined(TULIP_DEBUG) 833 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 834#endif 835 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 836 return; 837 } 838 839 /* 840 * switch to another media if we tried this one enough. 841 */ 842 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 843#if defined(TULIP_DEBUG) 844 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 845 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 846 TULIP_PRINTF_ARGS); 847 sc->tulip_probe_media = TULIP_MEDIA_MAX; 848 } 849#endif 850 /* 851 * Find the next media type to check for. Full Duplex 852 * types are not allowed. 853 */ 854 do { 855 sc->tulip_probe_media -= 1; 856 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 857 if (++sc->tulip_probe_passes == 3) { 858 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 859 TULIP_PRINTF_ARGS); 860 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 861 sc->tulip_if.if_flags &= ~IFF_RUNNING; 862 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 863 return; 864 } 865 } 866 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 867 sc->tulip_probe_mediamask = 0; 868 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 869 } 870 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 871 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 872 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 873 874#if defined(TULIP_DEBUG) 875 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 876 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 877 tulip_mediums[sc->tulip_probe_media]); 878#endif 879 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 880 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 881 sc->tulip_probe.probe_txprobes = 0; 882 tulip_reset(sc); 883 tulip_media_set(sc, sc->tulip_probe_media); 884 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 885 } 886 tulip_timeout(sc); 887 888 /* 889 * If this is hanging off a phy, we know are doing NWAY and we have 890 * forced the phy to a specific speed. Wait for link up before 891 * before sending a packet. 892 */ 893 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 894 case TULIP_MEDIAINFO_MII: { 895 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 896 return; 897 break; 898 } 899 case TULIP_MEDIAINFO_SIA: { 900 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 901 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 902 return; 903 tulip_linkup(sc, sc->tulip_probe_media); 904#ifdef notyet 905 if (sc->tulip_features & TULIP_HAVE_MII) 906 tulip_timeout(sc); 907#endif 908 return; 909 } 910 break; 911 } 912 case TULIP_MEDIAINFO_RESET: 913 case TULIP_MEDIAINFO_SYM: 914 case TULIP_MEDIAINFO_NONE: 915 case TULIP_MEDIAINFO_GPR: { 916 break; 917 } 918 } 919 /* 920 * Try to send a packet. 921 */ 922 tulip_txprobe(sc); 923} 924 925static void 926tulip_media_select( 927 tulip_softc_t * const sc) 928{ 929 if (sc->tulip_features & TULIP_HAVE_GPR) { 930 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 931 DELAY(10); 932 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 933 } 934 /* 935 * If this board has no media, just return 936 */ 937 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 938 return; 939 940 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 941 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 942 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 943 } else { 944 tulip_media_set(sc, sc->tulip_media); 945 } 946} 947 948static void 949tulip_21040_mediainfo_init( 950 tulip_softc_t * const sc, 951 tulip_media_t media) 952{ 953 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 954 |TULIP_CMD_BACKOFFCTR; 955 sc->tulip_if.if_baudrate = 10000000; 956 957 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 958 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 959 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 960 961 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 962 } 963 964 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 965 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 966 } 967 968 if (media == TULIP_MEDIA_UNKNOWN) { 969 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 970 } 971} 972 973static void 974tulip_21040_media_probe( 975 tulip_softc_t * const sc) 976{ 977 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 978 return; 979} 980 981static void 982tulip_21040_10baset_only_media_probe( 983 tulip_softc_t * const sc) 984{ 985 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 986 tulip_media_set(sc, TULIP_MEDIA_10BASET); 987 sc->tulip_media = TULIP_MEDIA_10BASET; 988} 989 990static void 991tulip_21040_10baset_only_media_select( 992 tulip_softc_t * const sc) 993{ 994 sc->tulip_flags |= TULIP_LINKUP; 995 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 996 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 997 sc->tulip_flags &= ~TULIP_SQETEST; 998 } else { 999 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1000 sc->tulip_flags |= TULIP_SQETEST; 1001 } 1002 tulip_media_set(sc, sc->tulip_media); 1003} 1004 1005static void 1006tulip_21040_auibnc_only_media_probe( 1007 tulip_softc_t * const sc) 1008{ 1009 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1010 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1011 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1012 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1013} 1014 1015static void 1016tulip_21040_auibnc_only_media_select( 1017 tulip_softc_t * const sc) 1018{ 1019 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1020 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1021} 1022 1023static const tulip_boardsw_t tulip_21040_boardsw = { 1024 TULIP_21040_GENERIC, 1025 tulip_21040_media_probe, 1026 tulip_media_select, 1027 tulip_media_poll, 1028}; 1029 1030static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1031 TULIP_21040_GENERIC, 1032 tulip_21040_10baset_only_media_probe, 1033 tulip_21040_10baset_only_media_select, 1034 NULL, 1035}; 1036 1037static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1038 TULIP_21040_GENERIC, 1039 tulip_21040_auibnc_only_media_probe, 1040 tulip_21040_auibnc_only_media_select, 1041 NULL, 1042}; 1043 1044static void 1045tulip_21041_mediainfo_init( 1046 tulip_softc_t * const sc) 1047{ 1048 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1049 1050#ifdef notyet 1051 if (sc->tulip_revinfo >= 0x20) { 1052 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1053 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1054 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1055 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1056 return; 1057 } 1058#endif 1059 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1060 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1061 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1062 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1063} 1064 1065static void 1066tulip_21041_media_noprobe( 1067 tulip_softc_t * const sc) 1068{ 1069 sc->tulip_if.if_baudrate = 10000000; 1070 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1071 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1072 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1073} 1074 1075static void 1076tulip_21041_media_probe( 1077 tulip_softc_t * const sc) 1078{ 1079 sc->tulip_if.if_baudrate = 10000000; 1080 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1081 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1082 sc->tulip_intrmask |= TULIP_STS_LINKPASS; 1083 tulip_21041_mediainfo_init(sc); 1084} 1085 1086static void 1087tulip_21041_media_poll( 1088 tulip_softc_t * const sc, 1089 const tulip_mediapoll_event_t event) 1090{ 1091 u_int32_t sia_status; 1092 1093#if defined(TULIP_DEBUG) 1094 sc->tulip_dbg.dbg_events[event]++; 1095#endif 1096 1097 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1098 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1099 || !TULIP_DO_AUTOSENSE(sc)) 1100 return; 1101 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1102 tulip_reset(sc); /* start probe */ 1103 return; 1104 } 1105 1106 /* 1107 * If we've been been asked to start a poll or link change interrupt 1108 * restart the probe (and reset the tulip to a known state). 1109 */ 1110 if (event == TULIP_MEDIAPOLL_START) { 1111 sc->tulip_if.if_flags |= IFF_OACTIVE; 1112 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1113#ifdef notyet 1114 if (sc->tulip_revinfo >= 0x20) { 1115 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1116 sc->tulip_flags |= TULIP_DIDNWAY; 1117 } 1118#endif 1119 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1120 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1121 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1122 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1123 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1124 tulip_timeout(sc); 1125 return; 1126 } 1127 1128 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1129 return; 1130 1131 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1132#if defined(TULIP_DEBUG) 1133 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1134#endif 1135 tulip_linkup(sc, sc->tulip_probe_media); 1136 return; 1137 } 1138 1139 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1140 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1141 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1142 if (sc->tulip_revinfo >= 0x20) { 1143 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1144 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1145 } 1146 /* 1147 * If the link has passed LinkPass, 10baseT is the 1148 * proper media to use. 1149 */ 1150 tulip_linkup(sc, sc->tulip_probe_media); 1151 return; 1152 } 1153 1154 /* 1155 * wait for up to 2.4 seconds for the link to reach pass state. 1156 * Only then start scanning the other media for activity. 1157 * choose media with receive activity over those without. 1158 */ 1159 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1160 if (event != TULIP_MEDIAPOLL_TIMER) 1161 return; 1162 if (sc->tulip_probe_timeout > 0 1163 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1164 tulip_timeout(sc); 1165 return; 1166 } 1167 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1168 sc->tulip_flags |= TULIP_WANTRXACT; 1169 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1170 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1171 } else { 1172 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1173 } 1174 tulip_media_set(sc, sc->tulip_probe_media); 1175 tulip_timeout(sc); 1176 return; 1177 } 1178 1179 /* 1180 * If we failed, clear the txprobe active flag. 1181 */ 1182 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1183 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1184 1185 1186 if (event == TULIP_MEDIAPOLL_TIMER) { 1187 /* 1188 * If we've received something, then that's our link! 1189 */ 1190 if (sc->tulip_flags & TULIP_RXACT) { 1191 tulip_linkup(sc, sc->tulip_probe_media); 1192 return; 1193 } 1194 /* 1195 * if no txprobe active 1196 */ 1197 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1198 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1199 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1200 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1201 tulip_txprobe(sc); 1202 tulip_timeout(sc); 1203 return; 1204 } 1205 /* 1206 * Take 2 passes through before deciding to not 1207 * wait for receive activity. Then take another 1208 * two passes before spitting out a warning. 1209 */ 1210 if (sc->tulip_probe_timeout <= 0) { 1211 if (sc->tulip_flags & TULIP_WANTRXACT) { 1212 sc->tulip_flags &= ~TULIP_WANTRXACT; 1213 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1214 } else { 1215 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1216 TULIP_PRINTF_ARGS); 1217 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1218 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1219 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1220 return; 1221 } 1222 } 1223 } 1224 } 1225 1226 /* 1227 * Since this media failed to probe, try the other one. 1228 */ 1229 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1230 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1231 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1232 } else { 1233 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1234 } 1235 tulip_media_set(sc, sc->tulip_probe_media); 1236 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1237 tulip_timeout(sc); 1238} 1239 1240static const tulip_boardsw_t tulip_21041_boardsw = { 1241 TULIP_21041_GENERIC, 1242 tulip_21041_media_probe, 1243 tulip_media_select, 1244 tulip_21041_media_poll 1245}; 1246 1247static const tulip_boardsw_t tulip_21041np_boardsw = { 1248 TULIP_21041_GENERIC, 1249 tulip_21041_media_noprobe, 1250 tulip_media_select, 1251 tulip_21041_media_poll 1252}; 1253 1254static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1255 { 0x20005c00, 0, /* 08-00-17 */ 1256 { 1257 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1258 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1259 }, 1260#if defined(TULIP_DEBUG) 1261 "NS DP83840", 1262#endif 1263 }, 1264 { 0x0281F400, 0, /* 00-A0-7D */ 1265 { 1266 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1267 { }, /* 100TX */ 1268 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1269 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1270 }, 1271#if defined(TULIP_DEBUG) 1272 "Seeq 80C240" 1273#endif 1274 }, 1275#if 0 1276 { 0x0015F420, 0, /* 00-A0-7D */ 1277 { 1278 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1279 { }, /* 100TX */ 1280 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1281 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1282 }, 1283#if defined(TULIP_DEBUG) 1284 "Broadcom BCM5000" 1285#endif 1286 }, 1287#endif 1288 { 0x0281F400, 0, /* 00-A0-BE */ 1289 { 1290 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1291 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1292 { }, /* 100T4 */ 1293 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1294 }, 1295#if defined(TULIP_DEBUG) 1296 "ICS 1890" 1297#endif 1298 }, 1299 { 0x78100000, 0, /* 00-A0-CC */ 1300 { 1301 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1302 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1303 { }, /* 100T4 */ 1304 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1305 }, 1306#if defined(TULIP_DEBUG) 1307 "LEVEL1 LXT970" 1308#endif 1309 }, 1310 { 0 } 1311}; 1312 1313static tulip_media_t 1314tulip_mii_phy_readspecific( 1315 tulip_softc_t * const sc) 1316{ 1317 const tulip_phy_attr_t *attr; 1318 u_int16_t data; 1319 u_int32_t id; 1320 unsigned idx = 0; 1321 static const tulip_media_t table[] = { 1322 TULIP_MEDIA_UNKNOWN, 1323 TULIP_MEDIA_10BASET, 1324 TULIP_MEDIA_100BASETX, 1325 TULIP_MEDIA_100BASET4, 1326 TULIP_MEDIA_UNKNOWN, 1327 TULIP_MEDIA_10BASET_FD, 1328 TULIP_MEDIA_100BASETX_FD, 1329 TULIP_MEDIA_UNKNOWN 1330 }; 1331 1332 /* 1333 * Don't read phy specific registers if link is not up. 1334 */ 1335 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1336 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1337 return TULIP_MEDIA_UNKNOWN; 1338 1339 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1340 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1341 for (attr = tulip_mii_phy_attrlist;; attr++) { 1342 if (attr->attr_id == 0) 1343 return TULIP_MEDIA_UNKNOWN; 1344 if ((id & ~0x0F) == attr->attr_id) 1345 break; 1346 } 1347 1348 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1349 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1350 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1351 if ((data & pm->pm_mask) == pm->pm_value) 1352 idx = 2; 1353 } 1354 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1355 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1356 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1357 if ((data & pm->pm_mask) == pm->pm_value) 1358 idx = 3; 1359 } 1360 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1361 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1362 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1363 if ((data & pm->pm_mask) == pm->pm_value) 1364 idx = 1; 1365 } 1366 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1367 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1368 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1369 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1370 } 1371 return table[idx]; 1372} 1373 1374static unsigned 1375tulip_mii_get_phyaddr( 1376 tulip_softc_t * const sc, 1377 unsigned offset) 1378{ 1379 unsigned phyaddr; 1380 1381 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1382 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1383 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1384 continue; 1385 if (offset == 0) 1386 return phyaddr; 1387 offset--; 1388 } 1389 if (offset == 0) { 1390 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1391 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1392 return TULIP_MII_NOPHY; 1393 return 0; 1394 } 1395 return TULIP_MII_NOPHY; 1396} 1397 1398static int 1399tulip_mii_map_abilities( 1400 tulip_softc_t * const sc, 1401 unsigned abilities) 1402{ 1403 sc->tulip_abilities = abilities; 1404 if (abilities & PHYSTS_100BASETX_FD) { 1405 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1406 } else if (abilities & PHYSTS_100BASET4) { 1407 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1408 } else if (abilities & PHYSTS_100BASETX) { 1409 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1410 } else if (abilities & PHYSTS_10BASET_FD) { 1411 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1412 } else if (abilities & PHYSTS_10BASET) { 1413 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1414 } else { 1415 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1416 return 0; 1417 } 1418 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1419 return 1; 1420} 1421 1422static void 1423tulip_mii_autonegotiate( 1424 tulip_softc_t * const sc, 1425 const unsigned phyaddr) 1426{ 1427 switch (sc->tulip_probe_state) { 1428 case TULIP_PROBE_MEDIATEST: 1429 case TULIP_PROBE_INACTIVE: { 1430 sc->tulip_flags |= TULIP_DIDNWAY; 1431 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1432 sc->tulip_probe_timeout = 3000; 1433 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1434 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1435 /* FALL THROUGH */ 1436 } 1437 case TULIP_PROBE_PHYRESET: { 1438 u_int32_t status; 1439 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1440 if (data & PHYCTL_RESET) { 1441 if (sc->tulip_probe_timeout > 0) { 1442 tulip_timeout(sc); 1443 return; 1444 } 1445 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1446 TULIP_PRINTF_ARGS, phyaddr); 1447 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1448 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1449 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1450 return; 1451 } 1452 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1453 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1454#if defined(TULIP_DEBUG) 1455 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1456 TULIP_PRINTF_ARGS, phyaddr); 1457#endif 1458 sc->tulip_flags &= ~TULIP_DIDNWAY; 1459 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1460 return; 1461 } 1462 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1463 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1464 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1465 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1466#if defined(TULIP_DEBUG) 1467 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1468 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1469 TULIP_PRINTF_ARGS, phyaddr, data); 1470 else 1471 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1472 TULIP_PRINTF_ARGS, phyaddr, data); 1473 sc->tulip_dbg.dbg_nway_starts++; 1474#endif 1475 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1476 sc->tulip_probe_timeout = 3000; 1477 /* FALL THROUGH */ 1478 } 1479 case TULIP_PROBE_PHYAUTONEG: { 1480 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1481 u_int32_t data; 1482 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1483 if (sc->tulip_probe_timeout > 0) { 1484 tulip_timeout(sc); 1485 return; 1486 } 1487#if defined(TULIP_DEBUG) 1488 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1489 TULIP_PRINTF_ARGS, phyaddr, status, 1490 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1491#endif 1492 sc->tulip_flags &= ~TULIP_DIDNWAY; 1493 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1494 return; 1495 } 1496 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1497#if defined(TULIP_DEBUG) 1498 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1499 TULIP_PRINTF_ARGS, phyaddr, data); 1500#endif 1501 data = (data << 6) & status; 1502 if (!tulip_mii_map_abilities(sc, data)) 1503 sc->tulip_flags &= ~TULIP_DIDNWAY; 1504 return; 1505 } 1506 default: { 1507#if defined(DIAGNOSTIC) 1508 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1509#endif 1510 break; 1511 } 1512 } 1513#if defined(TULIP_DEBUG) 1514 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1515 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1516 sc->tulip_dbg.dbg_nway_failures++; 1517#endif 1518} 1519 1520static void 1521tulip_2114x_media_preset( 1522 tulip_softc_t * const sc) 1523{ 1524 const tulip_media_info_t *mi = NULL; 1525 tulip_media_t media = sc->tulip_media; 1526 1527 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1528 media = sc->tulip_media; 1529 else 1530 media = sc->tulip_probe_media; 1531 1532 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1533 sc->tulip_flags &= ~TULIP_SQETEST; 1534 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1535#if defined(TULIP_DEBUG) 1536 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1537#endif 1538 mi = sc->tulip_mediums[media]; 1539 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1540 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1541 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1542 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1543 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1544 sc->tulip_cmdmode |= mi->mi_cmdmode; 1545 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1546 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1547 } 1548#if defined(TULIP_DEBUG) 1549 } else { 1550 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1551 TULIP_PRINTF_ARGS, media); 1552 } 1553#endif 1554 } 1555 switch (media) { 1556 case TULIP_MEDIA_BNC: 1557 case TULIP_MEDIA_AUI: 1558 case TULIP_MEDIA_10BASET: { 1559 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1560 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1561 sc->tulip_if.if_baudrate = 10000000; 1562 sc->tulip_flags |= TULIP_SQETEST; 1563 break; 1564 } 1565 case TULIP_MEDIA_10BASET_FD: { 1566 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1567 sc->tulip_if.if_baudrate = 10000000; 1568 break; 1569 } 1570 case TULIP_MEDIA_100BASEFX: 1571 case TULIP_MEDIA_100BASET4: 1572 case TULIP_MEDIA_100BASETX: { 1573 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1574 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1575 sc->tulip_if.if_baudrate = 100000000; 1576 break; 1577 } 1578 case TULIP_MEDIA_100BASEFX_FD: 1579 case TULIP_MEDIA_100BASETX_FD: { 1580 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1581 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1582 sc->tulip_if.if_baudrate = 100000000; 1583 break; 1584 } 1585 default: { 1586 break; 1587 } 1588 } 1589 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1590} 1591 1592/* 1593 ******************************************************************** 1594 * Start of 21140/21140A support which does not use the MII interface 1595 */ 1596 1597static void 1598tulip_null_media_poll( 1599 tulip_softc_t * const sc, 1600 tulip_mediapoll_event_t event) 1601{ 1602#if defined(TULIP_DEBUG) 1603 sc->tulip_dbg.dbg_events[event]++; 1604#endif 1605#if defined(DIAGNOSTIC) 1606 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1607 TULIP_PRINTF_ARGS, __LINE__); 1608#endif 1609} 1610 1611__inline__ static void 1612tulip_21140_mediainit( 1613 tulip_softc_t * const sc, 1614 tulip_media_info_t * const mip, 1615 tulip_media_t const media, 1616 unsigned gpdata, 1617 unsigned cmdmode) 1618{ 1619 sc->tulip_mediums[media] = mip; 1620 mip->mi_type = TULIP_MEDIAINFO_GPR; 1621 mip->mi_cmdmode = cmdmode; 1622 mip->mi_gpdata = gpdata; 1623} 1624 1625static void 1626tulip_21140_evalboard_media_probe( 1627 tulip_softc_t * const sc) 1628{ 1629 tulip_media_info_t *mip = sc->tulip_mediainfo; 1630 1631 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1632 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1633 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1634 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1635 TULIP_CSR_WRITE(sc, csr_command, 1636 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1637 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1638 TULIP_CSR_WRITE(sc, csr_command, 1639 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1640 DELAY(1000000); 1641 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1642 sc->tulip_media = TULIP_MEDIA_10BASET; 1643 } else { 1644 sc->tulip_media = TULIP_MEDIA_100BASETX; 1645 } 1646 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1647 TULIP_GP_EB_INIT, 1648 TULIP_CMD_TXTHRSHLDCTL); 1649 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1650 TULIP_GP_EB_INIT, 1651 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1652 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1653 TULIP_GP_EB_INIT, 1654 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1655 |TULIP_CMD_SCRAMBLER); 1656 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1657 TULIP_GP_EB_INIT, 1658 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1659 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1660} 1661 1662static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1663 TULIP_21140_DEC_EB, 1664 tulip_21140_evalboard_media_probe, 1665 tulip_media_select, 1666 tulip_null_media_poll, 1667 tulip_2114x_media_preset, 1668}; 1669 1670static void 1671tulip_21140_accton_media_probe( 1672 tulip_softc_t * const sc) 1673{ 1674 tulip_media_info_t *mip = sc->tulip_mediainfo; 1675 unsigned gpdata; 1676 1677 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1678 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1679 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1680 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1681 TULIP_CSR_WRITE(sc, csr_command, 1682 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1683 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1684 TULIP_CSR_WRITE(sc, csr_command, 1685 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1686 DELAY(1000000); 1687 gpdata = TULIP_CSR_READ(sc, csr_gp); 1688 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1689 sc->tulip_media = TULIP_MEDIA_10BASET; 1690 } else { 1691 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1692 sc->tulip_media = TULIP_MEDIA_BNC; 1693 } else { 1694 sc->tulip_media = TULIP_MEDIA_100BASETX; 1695 } 1696 } 1697 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1698 TULIP_GP_EN1207_BNC_INIT, 1699 TULIP_CMD_TXTHRSHLDCTL); 1700 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1701 TULIP_GP_EN1207_UTP_INIT, 1702 TULIP_CMD_TXTHRSHLDCTL); 1703 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1704 TULIP_GP_EN1207_UTP_INIT, 1705 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1706 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1707 TULIP_GP_EN1207_100_INIT, 1708 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1709 |TULIP_CMD_SCRAMBLER); 1710 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1711 TULIP_GP_EN1207_100_INIT, 1712 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1713 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1714} 1715 1716static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1717 TULIP_21140_EN1207, 1718 tulip_21140_accton_media_probe, 1719 tulip_media_select, 1720 tulip_null_media_poll, 1721 tulip_2114x_media_preset, 1722}; 1723 1724static void 1725tulip_21140_smc9332_media_probe( 1726 tulip_softc_t * const sc) 1727{ 1728 tulip_media_info_t *mip = sc->tulip_mediainfo; 1729 int idx, cnt = 0; 1730 1731 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1732 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1733 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1734 33MHz that comes to two microseconds but wait a 1735 bit longer anyways) */ 1736 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1737 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1738 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1739 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1740 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1741 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1742 DELAY(200000); 1743 for (idx = 1000; idx > 0; idx--) { 1744 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1745 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1746 if (++cnt > 100) 1747 break; 1748 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1749 break; 1750 } else { 1751 cnt = 0; 1752 } 1753 DELAY(1000); 1754 } 1755 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1756 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1757 TULIP_GP_SMC_9332_INIT, 1758 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1759 |TULIP_CMD_SCRAMBLER); 1760 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1761 TULIP_GP_SMC_9332_INIT, 1762 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1763 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1764 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1765 TULIP_GP_SMC_9332_INIT, 1766 TULIP_CMD_TXTHRSHLDCTL); 1767 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1768 TULIP_GP_SMC_9332_INIT, 1769 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1770} 1771 1772static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1773 TULIP_21140_SMC_9332, 1774 tulip_21140_smc9332_media_probe, 1775 tulip_media_select, 1776 tulip_null_media_poll, 1777 tulip_2114x_media_preset, 1778}; 1779 1780static void 1781tulip_21140_cogent_em100_media_probe( 1782 tulip_softc_t * const sc) 1783{ 1784 tulip_media_info_t *mip = sc->tulip_mediainfo; 1785 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1786 1787 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1788 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1789 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1790 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1791 1792 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1793 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1794 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1795 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1796 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1797 1798 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1799 TULIP_GP_EM100_INIT, 1800 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1801 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1802 TULIP_GP_EM100_INIT, 1803 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1804 |TULIP_CMD_FULLDUPLEX); 1805 } else { 1806 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1807 sc->tulip_media = TULIP_MEDIA_100BASETX; 1808 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1809 TULIP_GP_EM100_INIT, 1810 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1811 |TULIP_CMD_SCRAMBLER); 1812 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1813 TULIP_GP_EM100_INIT, 1814 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1815 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1816 } 1817} 1818 1819static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1820 TULIP_21140_COGENT_EM100, 1821 tulip_21140_cogent_em100_media_probe, 1822 tulip_media_select, 1823 tulip_null_media_poll, 1824 tulip_2114x_media_preset 1825}; 1826 1827static void 1828tulip_21140_znyx_zx34x_media_probe( 1829 tulip_softc_t * const sc) 1830{ 1831 tulip_media_info_t *mip = sc->tulip_mediainfo; 1832 int cnt10 = 0, cnt100 = 0, idx; 1833 1834 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1835 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1836 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1837 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1838 TULIP_CSR_WRITE(sc, csr_command, 1839 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1840 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1841 TULIP_CSR_WRITE(sc, csr_command, 1842 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1843 1844 DELAY(200000); 1845 for (idx = 1000; idx > 0; idx--) { 1846 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1847 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)) { 1848 if (++cnt100 > 100) 1849 break; 1850 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1851 if (++cnt10 > 100) 1852 break; 1853 } else { 1854 cnt10 = 0; 1855 cnt100 = 0; 1856 } 1857 DELAY(1000); 1858 } 1859 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1860 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1861 TULIP_GP_ZX34X_INIT, 1862 TULIP_CMD_TXTHRSHLDCTL); 1863 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1864 TULIP_GP_ZX34X_INIT, 1865 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1866 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1867 TULIP_GP_ZX34X_INIT, 1868 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1869 |TULIP_CMD_SCRAMBLER); 1870 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1871 TULIP_GP_ZX34X_INIT, 1872 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1873 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1874} 1875 1876static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1877 TULIP_21140_ZNYX_ZX34X, 1878 tulip_21140_znyx_zx34x_media_probe, 1879 tulip_media_select, 1880 tulip_null_media_poll, 1881 tulip_2114x_media_preset, 1882}; 1883 1884static void 1885tulip_2114x_media_probe( 1886 tulip_softc_t * const sc) 1887{ 1888 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1889 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1890} 1891 1892static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1893 TULIP_21140_ISV, 1894 tulip_2114x_media_probe, 1895 tulip_media_select, 1896 tulip_media_poll, 1897 tulip_2114x_media_preset, 1898}; 1899 1900/* 1901 * ******** END of chip-specific handlers. *********** 1902 */ 1903 1904/* 1905 * Code the read the SROM and MII bit streams (I2C) 1906 */ 1907static void 1908tulip_delay_300ns( 1909 tulip_softc_t * const sc) 1910{ 1911 int idx; 1912 for (idx = (300 / 33) + 1; idx > 0; idx--) 1913 (void) TULIP_CSR_READ(sc, csr_busmode); 1914} 1915 1916#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1917 1918static void 1919tulip_srom_idle( 1920 tulip_softc_t * const sc) 1921{ 1922 unsigned bit, csr; 1923 1924 csr = SROMSEL ; EMIT; 1925 csr = SROMSEL | SROMRD; EMIT; 1926 csr ^= SROMCS; EMIT; 1927 csr ^= SROMCLKON; EMIT; 1928 1929 /* 1930 * Write 25 cycles of 0 which will force the SROM to be idle. 1931 */ 1932 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1933 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1934 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1935 } 1936 csr ^= SROMCLKOFF; EMIT; 1937 csr ^= SROMCS; EMIT; 1938 csr = 0; EMIT; 1939} 1940 1941 1942static void 1943tulip_srom_read( 1944 tulip_softc_t * const sc) 1945{ 1946 unsigned idx; 1947 const unsigned bitwidth = SROM_BITWIDTH; 1948 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1949 const unsigned msb = 1 << (bitwidth + 3 - 1); 1950 unsigned lastidx = (1 << bitwidth) - 1; 1951 1952 tulip_srom_idle(sc); 1953 1954 for (idx = 0; idx <= lastidx; idx++) { 1955 unsigned lastbit, data, bits, bit, csr; 1956 csr = SROMSEL ; EMIT; 1957 csr = SROMSEL | SROMRD; EMIT; 1958 csr ^= SROMCSON; EMIT; 1959 csr ^= SROMCLKON; EMIT; 1960 1961 lastbit = 0; 1962 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1963 const unsigned thisbit = bits & msb; 1964 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1965 if (thisbit != lastbit) { 1966 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1967 } else { 1968 EMIT; 1969 } 1970 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1971 lastbit = thisbit; 1972 } 1973 csr ^= SROMCLKOFF; EMIT; 1974 1975 for (data = 0, bits = 0; bits < 16; bits++) { 1976 data <<= 1; 1977 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1978 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1979 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1980 } 1981 sc->tulip_rombuf[idx*2] = data & 0xFF; 1982 sc->tulip_rombuf[idx*2+1] = data >> 8; 1983 csr = SROMSEL | SROMRD; EMIT; 1984 csr = 0; EMIT; 1985 } 1986 tulip_srom_idle(sc); 1987} 1988 1989#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1990 1991static void 1992tulip_mii_writebits( 1993 tulip_softc_t * const sc, 1994 unsigned data, 1995 unsigned bits) 1996{ 1997 unsigned msb = 1 << (bits - 1); 1998 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1999 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 2000 2001 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 2002 2003 for (; bits > 0; bits--, data <<= 1) { 2004 const unsigned thisbit = data & msb; 2005 if (thisbit != lastbit) { 2006 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 2007 } 2008 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2009 lastbit = thisbit; 2010 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2011 } 2012} 2013 2014static void 2015tulip_mii_turnaround( 2016 tulip_softc_t * const sc, 2017 unsigned cmd) 2018{ 2019 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2020 2021 if (cmd == MII_WRCMD) { 2022 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 2023 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2024 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2025 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2026 } else { 2027 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2028 } 2029 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2030 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2031} 2032 2033static unsigned 2034tulip_mii_readbits( 2035 tulip_softc_t * const sc) 2036{ 2037 unsigned data; 2038 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2039 int idx; 2040 2041 for (idx = 0, data = 0; idx < 16; idx++) { 2042 data <<= 1; /* this is NOOP on the first pass through */ 2043 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2044 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2045 data |= 1; 2046 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2047 } 2048 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2049 2050 return data; 2051} 2052 2053static unsigned 2054tulip_mii_readreg( 2055 tulip_softc_t * const sc, 2056 unsigned devaddr, 2057 unsigned regno) 2058{ 2059 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2060 unsigned data; 2061 2062 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2063 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2064 tulip_mii_writebits(sc, MII_RDCMD, 8); 2065 tulip_mii_writebits(sc, devaddr, 5); 2066 tulip_mii_writebits(sc, regno, 5); 2067 tulip_mii_turnaround(sc, MII_RDCMD); 2068 2069 data = tulip_mii_readbits(sc); 2070#if defined(TULIP_DEBUG) 2071 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2072 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2073#endif 2074 return data; 2075} 2076 2077static void 2078tulip_mii_writereg( 2079 tulip_softc_t * const sc, 2080 unsigned devaddr, 2081 unsigned regno, 2082 unsigned data) 2083{ 2084 unsigned csr; 2085 2086 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2087 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2088 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2089 tulip_mii_writebits(sc, MII_WRCMD, 8); 2090 tulip_mii_writebits(sc, devaddr, 5); 2091 tulip_mii_writebits(sc, regno, 5); 2092 tulip_mii_turnaround(sc, MII_WRCMD); 2093 tulip_mii_writebits(sc, data, 16); 2094#if defined(TULIP_DEBUG) 2095 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2096 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2097#endif 2098} 2099 2100#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2101#define tulip_srom_crcok(databuf) ( \ 2102 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2103 ((databuf)[126] | ((databuf)[127] << 8))) 2104 2105static unsigned 2106tulip_crc32( 2107 const unsigned char *databuf, 2108 size_t datalen) 2109{ 2110 u_int idx, crc = 0xFFFFFFFFUL; 2111 static const u_int crctab[] = { 2112 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2113 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2114 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2115 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2116 }; 2117 2118 for (idx = 0; idx < datalen; idx++) { 2119 crc ^= *databuf++; 2120 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2121 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2122 } 2123 2124 return crc; 2125} 2126 2127static void 2128tulip_identify_dec_nic( 2129 tulip_softc_t * const sc) 2130{ 2131 strcpy(sc->tulip_boardid, "DEC "); 2132#define D0 4 2133 if (sc->tulip_chipid <= TULIP_DE425) 2134 return; 2135 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2136 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2137 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2138 sc->tulip_boardid[D0+8] = ' '; 2139 } 2140#undef D0 2141} 2142 2143static void 2144tulip_identify_znyx_nic( 2145 tulip_softc_t * const sc) 2146{ 2147 unsigned id = 0; 2148 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2149 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2150 unsigned znyx_ptr; 2151 sc->tulip_boardid[8] = '4'; 2152 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2153 if (znyx_ptr < 26 || znyx_ptr > 116) { 2154 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2155 return; 2156 } 2157 /* ZX344 = 0010 .. 0013FF 2158 */ 2159 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2160 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2161 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2162 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2163 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2164 sc->tulip_boardid[9] = '2'; 2165 if (id == TULIP_ZNYX_ID_ZX342B) { 2166 sc->tulip_boardid[10] = 'B'; 2167 sc->tulip_boardid[11] = ' '; 2168 } 2169 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2170 } else if (id == TULIP_ZNYX_ID_ZX344) { 2171 sc->tulip_boardid[10] = '4'; 2172 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2173 } else if (id == TULIP_ZNYX_ID_ZX345) { 2174 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2175 } else if (id == TULIP_ZNYX_ID_ZX346) { 2176 sc->tulip_boardid[9] = '6'; 2177 } else if (id == TULIP_ZNYX_ID_ZX351) { 2178 sc->tulip_boardid[8] = '5'; 2179 sc->tulip_boardid[9] = '1'; 2180 } 2181 } 2182 if (id == 0) { 2183 /* 2184 * Assume it's a ZX342... 2185 */ 2186 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2187 } 2188 return; 2189 } 2190 sc->tulip_boardid[8] = '1'; 2191 if (sc->tulip_chipid == TULIP_21041) { 2192 sc->tulip_boardid[10] = '1'; 2193 return; 2194 } 2195 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2196 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2197 if (id == TULIP_ZNYX_ID_ZX312T) { 2198 sc->tulip_boardid[9] = '2'; 2199 sc->tulip_boardid[10] = 'T'; 2200 sc->tulip_boardid[11] = ' '; 2201 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2202 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2203 sc->tulip_boardid[9] = '4'; 2204 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2205 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2206 } else if (id == TULIP_ZNYX_ID_ZX314) { 2207 sc->tulip_boardid[9] = '4'; 2208 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2209 sc->tulip_features |= TULIP_HAVE_BASEROM; 2210 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2211 sc->tulip_boardid[9] = '5'; 2212 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2213 } else if (id == TULIP_ZNYX_ID_ZX315) { 2214 sc->tulip_boardid[9] = '5'; 2215 sc->tulip_features |= TULIP_HAVE_BASEROM; 2216 } else { 2217 id = 0; 2218 } 2219 } 2220 if (id == 0) { 2221 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 2222 sc->tulip_boardid[9] = '4'; 2223 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2224 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2225 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2226 sc->tulip_boardid[9] = '5'; 2227 sc->tulip_boardsw = &tulip_21040_boardsw; 2228 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2229 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2230 sc->tulip_boardid[9] = '2'; 2231 sc->tulip_boardsw = &tulip_21040_boardsw; 2232 } 2233 } 2234} 2235 2236static void 2237tulip_identify_smc_nic( 2238 tulip_softc_t * const sc) 2239{ 2240 u_int32_t id1, id2, ei; 2241 int auibnc = 0, utp = 0; 2242 char *cp; 2243 2244 strcpy(sc->tulip_boardid, "SMC "); 2245 if (sc->tulip_chipid == TULIP_21041) 2246 return; 2247 if (sc->tulip_chipid != TULIP_21040) { 2248 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2249 strcpy(&sc->tulip_boardid[4], "9332DST "); 2250 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2251 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2252 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2253 } else { 2254 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2255 } 2256 return; 2257 } 2258 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2259 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2260 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2261 2262 strcpy(&sc->tulip_boardid[4], "8432"); 2263 cp = &sc->tulip_boardid[8]; 2264 if ((id1 & 1) == 0) 2265 *cp++ = 'B', auibnc = 1; 2266 if ((id1 & 0xFF) > 0x32) 2267 *cp++ = 'T', utp = 1; 2268 if ((id1 & 0x4000) == 0) 2269 *cp++ = 'A', auibnc = 1; 2270 if (id2 == 0x15) { 2271 sc->tulip_boardid[7] = '4'; 2272 *cp++ = '-'; 2273 *cp++ = 'C'; 2274 *cp++ = 'H'; 2275 *cp++ = (ei ? '2' : '1'); 2276 } 2277 *cp++ = ' '; 2278 *cp = '\0'; 2279 if (utp && !auibnc) 2280 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2281 else if (!utp && auibnc) 2282 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2283} 2284 2285static void 2286tulip_identify_cogent_nic( 2287 tulip_softc_t * const sc) 2288{ 2289 strcpy(sc->tulip_boardid, "Cogent "); 2290 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2291 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2292 strcat(sc->tulip_boardid, "EM100TX "); 2293 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2294#if defined(TULIP_COGENT_EM110TX_ID) 2295 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2296 strcat(sc->tulip_boardid, "EM110TX "); 2297 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2298#endif 2299 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2300 strcat(sc->tulip_boardid, "EM100FX "); 2301 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2302 } 2303 /* 2304 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2305 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2306 */ 2307 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2308 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2309 /* 2310 * Cogent (Adaptec) is still mapping all INTs to INTA of 2311 * first 21140. Dumb! Dumb! 2312 */ 2313 strcat(sc->tulip_boardid, "EM440TX "); 2314 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2315 } 2316 } else if (sc->tulip_chipid == TULIP_21040) { 2317 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2318 } 2319} 2320 2321static void 2322tulip_identify_accton_nic( 2323 tulip_softc_t * const sc) 2324{ 2325 strcpy(sc->tulip_boardid, "ACCTON "); 2326 switch (sc->tulip_chipid) { 2327 case TULIP_21140A: 2328 strcat(sc->tulip_boardid, "EN1207 "); 2329 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2330 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2331 break; 2332 case TULIP_21140: 2333 strcat(sc->tulip_boardid, "EN1207TX "); 2334 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2335 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2336 break; 2337 case TULIP_21040: 2338 strcat(sc->tulip_boardid, "EN1203 "); 2339 sc->tulip_boardsw = &tulip_21040_boardsw; 2340 break; 2341 case TULIP_21041: 2342 strcat(sc->tulip_boardid, "EN1203 "); 2343 sc->tulip_boardsw = &tulip_21041_boardsw; 2344 break; 2345 default: 2346 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2347 break; 2348 } 2349} 2350 2351static void 2352tulip_identify_asante_nic( 2353 tulip_softc_t * const sc) 2354{ 2355 strcpy(sc->tulip_boardid, "Asante "); 2356 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2357 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2358 tulip_media_info_t *mi = sc->tulip_mediainfo; 2359 int idx; 2360 /* 2361 * The Asante Fast Ethernet doesn't always ship with a valid 2362 * new format SROM. So if isn't in the new format, we cheat 2363 * set it up as if we had. 2364 */ 2365 2366 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2367 sc->tulip_gpdata = 0; 2368 2369 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2370 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2371 DELAY(100); 2372 TULIP_CSR_WRITE(sc, csr_gp, 0); 2373 2374 mi->mi_type = TULIP_MEDIAINFO_MII; 2375 mi->mi_gpr_length = 0; 2376 mi->mi_gpr_offset = 0; 2377 mi->mi_reset_length = 0; 2378 mi->mi_reset_offset = 0;; 2379 2380 mi->mi_phyaddr = TULIP_MII_NOPHY; 2381 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2382 DELAY(10000); 2383 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2384 } 2385 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2386 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2387 return; 2388 } 2389 2390 sc->tulip_features |= TULIP_HAVE_MII; 2391 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2392 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2393 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2394 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2395 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2396 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2397 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2398 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2399 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2400 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2401 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2402 2403 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2404 } 2405} 2406 2407static int 2408tulip_srom_decode( 2409 tulip_softc_t * const sc) 2410{ 2411 unsigned idx1, idx2, idx3; 2412 2413 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2414 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2415 tulip_srom_media_t srom_media; 2416 tulip_media_info_t *mi = sc->tulip_mediainfo; 2417 const u_int8_t *dp; 2418 u_int32_t leaf_offset, blocks, data; 2419 2420 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2421 if (shp->sh_adapter_count == 1) 2422 break; 2423 if (saip->sai_device == sc->tulip_pci_devno) 2424 break; 2425 } 2426 /* 2427 * Didn't find the right media block for this card. 2428 */ 2429 if (idx1 == shp->sh_adapter_count) 2430 return 0; 2431 2432 /* 2433 * Save the hardware address. 2434 */ 2435 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6); 2436 /* 2437 * If this is a multiple port card, add the adapter index to the last 2438 * byte of the hardware address. (if it isn't multiport, adding 0 2439 * won't hurt. 2440 */ 2441 sc->tulip_enaddr[5] += idx1; 2442 2443 leaf_offset = saip->sai_leaf_offset_lowbyte 2444 + saip->sai_leaf_offset_highbyte * 256; 2445 dp = sc->tulip_rombuf + leaf_offset; 2446 2447 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2448 2449 for (idx2 = 0;; idx2++) { 2450 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2451 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2452 break; 2453 } 2454 sc->tulip_connidx = idx2; 2455 2456 if (sc->tulip_chipid == TULIP_21041) { 2457 blocks = *dp++; 2458 for (idx2 = 0; idx2 < blocks; idx2++) { 2459 tulip_media_t media; 2460 data = *dp++; 2461 srom_media = (tulip_srom_media_t) (data & 0x3F); 2462 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2463 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2464 break; 2465 } 2466 media = tulip_srom_mediums[idx3].sm_type; 2467 if (media != TULIP_MEDIA_UNKNOWN) { 2468 if (data & TULIP_SROM_21041_EXTENDED) { 2469 mi->mi_type = TULIP_MEDIAINFO_SIA; 2470 sc->tulip_mediums[media] = mi; 2471 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2472 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2473 mi->mi_sia_general = dp[4] + dp[5] * 256; 2474 mi++; 2475 } else { 2476 switch (media) { 2477 case TULIP_MEDIA_BNC: { 2478 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2479 mi++; 2480 break; 2481 } 2482 case TULIP_MEDIA_AUI: { 2483 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2484 mi++; 2485 break; 2486 } 2487 case TULIP_MEDIA_10BASET: { 2488 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2489 mi++; 2490 break; 2491 } 2492 case TULIP_MEDIA_10BASET_FD: { 2493 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2494 mi++; 2495 break; 2496 } 2497 default: { 2498 break; 2499 } 2500 } 2501 } 2502 } 2503 if (data & TULIP_SROM_21041_EXTENDED) 2504 dp += 6; 2505 } 2506#ifdef notdef 2507 if (blocks == 0) { 2508 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2509 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2510 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2511 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2512 } 2513#endif 2514 } else { 2515 unsigned length, type; 2516 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2517 if (sc->tulip_features & TULIP_HAVE_GPR) 2518 sc->tulip_gpinit = *dp++; 2519 blocks = *dp++; 2520 for (idx2 = 0; idx2 < blocks; idx2++) { 2521 const u_int8_t *ep; 2522 if ((*dp & 0x80) == 0) { 2523 length = 4; 2524 type = 0; 2525 } else { 2526 length = (*dp++ & 0x7f) - 1; 2527 type = *dp++ & 0x3f; 2528 } 2529 ep = dp + length; 2530 switch (type & 0x3f) { 2531 case 0: { /* 21140[A] GPR block */ 2532 tulip_media_t media; 2533 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2534 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2535 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2536 break; 2537 } 2538 media = tulip_srom_mediums[idx3].sm_type; 2539 if (media == TULIP_MEDIA_UNKNOWN) 2540 break; 2541 mi->mi_type = TULIP_MEDIAINFO_GPR; 2542 sc->tulip_mediums[media] = mi; 2543 mi->mi_gpdata = dp[1]; 2544 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2545 sc->tulip_gpdata = mi->mi_gpdata; 2546 gp_media = media; 2547 } 2548 data = dp[2] + dp[3] * 256; 2549 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2550 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2551 mi->mi_actmask = 0; 2552 } else { 2553#if 0 2554 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2555#endif 2556 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2557 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2558 } 2559 mi++; 2560 break; 2561 } 2562 case 1: { /* 21140[A] MII block */ 2563 const unsigned phyno = *dp++; 2564 mi->mi_type = TULIP_MEDIAINFO_MII; 2565 mi->mi_gpr_length = *dp++; 2566 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2567 dp += mi->mi_gpr_length; 2568 mi->mi_reset_length = *dp++; 2569 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2570 dp += mi->mi_reset_length; 2571 2572 /* 2573 * Before we probe for a PHY, use the GPR information 2574 * to select it. If we don't, it may be inaccessible. 2575 */ 2576 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2577 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2578 DELAY(10); 2579 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2580 } 2581 sc->tulip_phyaddr = mi->mi_phyaddr; 2582 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2583 DELAY(10); 2584 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2585 } 2586 2587 /* 2588 * At least write something! 2589 */ 2590 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2591 TULIP_CSR_WRITE(sc, csr_gp, 0); 2592 2593 mi->mi_phyaddr = TULIP_MII_NOPHY; 2594 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2595 DELAY(10000); 2596 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2597 } 2598 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2599#if defined(TULIP_DEBUG) 2600 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2601 TULIP_PRINTF_ARGS, phyno); 2602#endif 2603 break; 2604 } 2605 sc->tulip_features |= TULIP_HAVE_MII; 2606 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2607 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2608 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2609 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2610 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2611 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2612 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2613 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2614 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2615 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2616 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2617 mi++; 2618 break; 2619 } 2620 case 2: { /* 2114[23] SIA block */ 2621 tulip_media_t media; 2622 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2623 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2624 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2625 break; 2626 } 2627 media = tulip_srom_mediums[idx3].sm_type; 2628 if (media == TULIP_MEDIA_UNKNOWN) 2629 break; 2630 mi->mi_type = TULIP_MEDIAINFO_SIA; 2631 sc->tulip_mediums[media] = mi; 2632 if (dp[0] & 0x40) { 2633 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2634 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2635 mi->mi_sia_general = dp[5] + dp[6] * 256; 2636 dp += 6; 2637 } else { 2638 switch (media) { 2639 case TULIP_MEDIA_BNC: { 2640 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2641 break; 2642 } 2643 case TULIP_MEDIA_AUI: { 2644 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2645 break; 2646 } 2647 case TULIP_MEDIA_10BASET: { 2648 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2649 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2650 break; 2651 } 2652 case TULIP_MEDIA_10BASET_FD: { 2653 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2654 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2655 break; 2656 } 2657 default: { 2658 goto bad_media; 2659 } 2660 } 2661 } 2662 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2663 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2664 mi++; 2665 bad_media: 2666 break; 2667 } 2668 case 3: { /* 2114[23] MII PHY block */ 2669 const unsigned phyno = *dp++; 2670 const u_int8_t *dp0; 2671 mi->mi_type = TULIP_MEDIAINFO_MII; 2672 mi->mi_gpr_length = *dp++; 2673 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2674 dp += 2 * mi->mi_gpr_length; 2675 mi->mi_reset_length = *dp++; 2676 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2677 dp += 2 * mi->mi_reset_length; 2678 2679 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2680 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2681 DELAY(10); 2682 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2683 } 2684 sc->tulip_phyaddr = mi->mi_phyaddr; 2685 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2686 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2687 DELAY(10); 2688 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2689 } 2690 2691 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2692 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2693 2694 mi->mi_phyaddr = TULIP_MII_NOPHY; 2695 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2696 DELAY(10000); 2697 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2698 } 2699 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2700#if defined(TULIP_DEBUG) 2701 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2702 TULIP_PRINTF_ARGS, phyno); 2703#endif 2704 break; 2705 } 2706 sc->tulip_features |= TULIP_HAVE_MII; 2707 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2708 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2709 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2710 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2711 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2712 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2713 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2714 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2715 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2716 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2717 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2718 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2719 mi++; 2720 break; 2721 } 2722 case 4: { /* 21143 SYM block */ 2723 tulip_media_t media; 2724 srom_media = (tulip_srom_media_t) dp[0]; 2725 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2726 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2727 break; 2728 } 2729 media = tulip_srom_mediums[idx3].sm_type; 2730 if (media == TULIP_MEDIA_UNKNOWN) 2731 break; 2732 mi->mi_type = TULIP_MEDIAINFO_SYM; 2733 sc->tulip_mediums[media] = mi; 2734 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2735 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2736 data = dp[5] + dp[6] * 256; 2737 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2738 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2739 mi->mi_actmask = 0; 2740 } else { 2741 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2742 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2743 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2744 } 2745 if (TULIP_IS_MEDIA_TP(media)) 2746 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2747 mi++; 2748 break; 2749 } 2750#if 0 2751 case 5: { /* 21143 Reset block */ 2752 mi->mi_type = TULIP_MEDIAINFO_RESET; 2753 mi->mi_reset_length = *dp++; 2754 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2755 dp += 2 * mi->mi_reset_length; 2756 mi++; 2757 break; 2758 } 2759#endif 2760 default: { 2761 } 2762 } 2763 dp = ep; 2764 } 2765 } 2766 return mi - sc->tulip_mediainfo; 2767} 2768 2769static const struct { 2770 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2771 unsigned char vendor_oui[3]; 2772} tulip_vendors[] = { 2773 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2774 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2775 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2776 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2777 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2778 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2779 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2780 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2781 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2782 { NULL } 2783}; 2784 2785/* 2786 * This deals with the vagaries of the address roms and the 2787 * brain-deadness that various vendors commit in using them. 2788 */ 2789static int 2790tulip_read_macaddr( 2791 tulip_softc_t * const sc) 2792{ 2793 unsigned cksum, rom_cksum, idx; 2794 u_int32_t csr; 2795 unsigned char tmpbuf[8]; 2796 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2797 2798 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2799 2800 if (sc->tulip_chipid == TULIP_21040) { 2801 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2802 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2803 int cnt = 0; 2804 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2805 cnt++; 2806 sc->tulip_rombuf[idx] = csr & 0xFF; 2807 } 2808 sc->tulip_boardsw = &tulip_21040_boardsw; 2809#if defined(TULIP_EISA) 2810 } else if (sc->tulip_chipid == TULIP_DE425) { 2811 int cnt; 2812 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2813 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2814 if (tmpbuf[idx] == testpat[idx]) 2815 ++idx; 2816 else 2817 idx = 0; 2818 } 2819 for (idx = 0; idx < 32; idx++) 2820 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2821 sc->tulip_boardsw = &tulip_21040_boardsw; 2822#endif /* TULIP_EISA */ 2823 } else { 2824 if (sc->tulip_chipid == TULIP_21041) { 2825 /* 2826 * Thankfully all 21041's act the same. 2827 */ 2828 sc->tulip_boardsw = &tulip_21041_boardsw; 2829 } else { 2830 /* 2831 * Assume all 21140 board are compatible with the 2832 * DEC 10/100 evaluation board. Not really valid but 2833 * it's the best we can do until every one switches to 2834 * the new SROM format. 2835 */ 2836 2837 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2838 } 2839#ifdef NEED_PCI_ETHER_HW_ADDR_FUNC 2840 if(pci_ether_hw_addr(sc->tulip_pc, (u_char *)(&sc->tulip_rombuf), 2841 sc->tulip_pci_busno, sc->tulip_pci_devno)) { 2842 if(sc->tulip_boardsw == &tulip_21041_boardsw) 2843 sc->tulip_boardsw = &tulip_21041np_boardsw; 2844 } 2845 else { 2846 tulip_srom_read(sc); 2847 } 2848#else 2849 tulip_srom_read(sc); 2850#endif 2851 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2852 /* 2853 * SROM CRC is valid therefore it must be in the 2854 * new format. 2855 */ 2856 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2857 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2858 /* 2859 * No checksum is present. See if the SROM id checks out; 2860 * the first 18 bytes should be 0 followed by a 1 followed 2861 * by the number of adapters (which we don't deal with yet). 2862 */ 2863 for (idx = 0; idx < 18; idx++) { 2864 if (sc->tulip_rombuf[idx] != 0) 2865 break; 2866 } 2867 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2868 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2869 } else if (sc->tulip_chipid >= TULIP_21142) { 2870 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2871 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2872 } 2873 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2874 if (sc->tulip_chipid != TULIP_21041) 2875 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2876 2877 /* 2878 * If the SROM specifies more than one adapter, tag this as a 2879 * BASE rom. 2880 */ 2881 if (sc->tulip_rombuf[19] > 1) 2882 sc->tulip_features |= TULIP_HAVE_BASEROM; 2883 if (sc->tulip_boardsw == NULL) 2884 return -6; 2885 goto check_oui; 2886 } 2887 } 2888 2889 2890 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2891 /* 2892 * Some folks don't use the standard ethernet rom format 2893 * but instead just put the address in the first 6 bytes 2894 * of the rom and let the rest be all 0xffs. (Can we say 2895 * ZNYX???) (well sometimes they put in a checksum so we'll 2896 * start at 8). 2897 */ 2898 for (idx = 8; idx < 32; idx++) { 2899 if (sc->tulip_rombuf[idx] != 0xFF) 2900 return -4; 2901 } 2902 /* 2903 * Make sure the address is not multicast or locally assigned 2904 * that the OUI is not 00-00-00. 2905 */ 2906 if ((sc->tulip_rombuf[0] & 3) != 0) 2907 return -4; 2908 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2909 && sc->tulip_rombuf[2] == 0) 2910 return -4; 2911 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2912 sc->tulip_features |= TULIP_HAVE_OKROM; 2913 goto check_oui; 2914 } else { 2915 /* 2916 * A number of makers of multiport boards (ZNYX and Cogent) 2917 * only put on one address ROM on their 21040 boards. So 2918 * if the ROM is all zeros (or all 0xFFs), look at the 2919 * previous configured boards (as long as they are on the same 2920 * PCI bus and the bus number is non-zero) until we find the 2921 * master board with address ROM. We then use its address ROM 2922 * as the base for this board. (we add our relative board 2923 * to the last byte of its address). 2924 */ 2925 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2926 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2927 break; 2928 } 2929 if (idx == sizeof(sc->tulip_rombuf)) { 2930 int root_unit; 2931 tulip_softc_t *root_sc = NULL; 2932 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2933 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2934 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2935 break; 2936 root_sc = NULL; 2937 } 2938 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2939 && root_sc->tulip_chipid == sc->tulip_chipid 2940 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2941 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2942 sc->tulip_boardsw = root_sc->tulip_boardsw; 2943 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2944 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2945 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2946 sizeof(sc->tulip_rombuf)); 2947 if (!tulip_srom_decode(sc)) 2948 return -5; 2949 } else { 2950 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2951 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2952 } 2953 /* 2954 * Now for a truly disgusting kludge: all 4 21040s on 2955 * the ZX314 share the same INTA line so the mapping 2956 * setup by the BIOS on the PCI bridge is worthless. 2957 * Rather than reprogramming the value in the config 2958 * register, we will handle this internally. 2959 */ 2960 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2961 sc->tulip_slaves = root_sc->tulip_slaves; 2962 root_sc->tulip_slaves = sc; 2963 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2964 } 2965 return 0; 2966 } 2967 } 2968 } 2969 2970 /* 2971 * This is the standard DEC address ROM test. 2972 */ 2973 2974 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2975 return -3; 2976 2977 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2978 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2979 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2980 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2981 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2982 return -2; 2983 2984 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2985 2986 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2987 cksum *= 2; 2988 if (cksum > 65535) cksum -= 65535; 2989 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2990 if (cksum > 65535) cksum -= 65535; 2991 cksum *= 2; 2992 if (cksum > 65535) cksum -= 65535; 2993 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2994 if (cksum >= 65535) cksum -= 65535; 2995 2996 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2997 2998 if (cksum != rom_cksum) 2999 return -1; 3000 3001 check_oui: 3002 /* 3003 * Check for various boards based on OUI. Did I say braindead? 3004 */ 3005 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 3006 if (bcmp((caddr_t) sc->tulip_enaddr, 3007 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 3008 (*tulip_vendors[idx].vendor_identify_nic)(sc); 3009 break; 3010 } 3011 } 3012 3013 sc->tulip_features |= TULIP_HAVE_OKROM; 3014 return 0; 3015} 3016 3017#if defined(IFM_ETHER) 3018static void 3019tulip_ifmedia_add( 3020 tulip_softc_t * const sc) 3021{ 3022 tulip_media_t media; 3023 int medias = 0; 3024 3025 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3026 if (sc->tulip_mediums[media] != NULL) { 3027 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 3028 0, 0); 3029 medias++; 3030 } 3031 } 3032 if (medias == 0) { 3033 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3034 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3035 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3036 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3037 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3038 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3039 } else { 3040 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3041 sc->tulip_flags |= TULIP_PRINTMEDIA; 3042 tulip_linkup(sc, sc->tulip_media); 3043 } 3044} 3045 3046static int 3047tulip_ifmedia_change( 3048 struct ifnet * const ifp) 3049{ 3050 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3051 3052 sc->tulip_flags |= TULIP_NEEDRESET; 3053 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3054 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3055 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3056 tulip_media_t media; 3057 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3058 if (sc->tulip_mediums[media] != NULL 3059 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3060 sc->tulip_flags |= TULIP_PRINTMEDIA; 3061 sc->tulip_flags &= ~TULIP_DIDNWAY; 3062 tulip_linkup(sc, media); 3063 return 0; 3064 } 3065 } 3066 } 3067 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3068 tulip_reset(sc); 3069 tulip_init(sc); 3070 return 0; 3071} 3072 3073/* 3074 * Media status callback 3075 */ 3076static void 3077tulip_ifmedia_status( 3078 struct ifnet * const ifp, 3079 struct ifmediareq *req) 3080{ 3081 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3082 3083#if defined(__bsdi__) 3084 if (sc->tulip_mii.mii_instance != 0) { 3085 mii_pollstat(&sc->tulip_mii); 3086 req->ifm_active = sc->tulip_mii.mii_media_active; 3087 req->ifm_status = sc->tulip_mii.mii_media_status; 3088 return; 3089 } 3090#endif 3091 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3092 return; 3093 3094 req->ifm_status = IFM_AVALID; 3095 if (sc->tulip_flags & TULIP_LINKUP) 3096 req->ifm_status |= IFM_ACTIVE; 3097 3098 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3099} 3100#endif 3101 3102static void 3103tulip_addr_filter( 3104 tulip_softc_t * const sc) 3105{ 3106 struct ether_multistep step; 3107 struct ether_multi *enm; 3108 3109 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3110 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3111 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3112 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3113#if defined(IFF_ALLMULTI) 3114 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 3115#endif 3116 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3117 if (sc->tulip_multicnt > 14) { 3118 u_int32_t *sp = sc->tulip_setupdata; 3119 unsigned hash; 3120 /* 3121 * Some early passes of the 21140 have broken implementations of 3122 * hash-perfect mode. When we get too many multicasts for perfect 3123 * filtering with these chips, we need to switch into hash-only 3124 * mode (this is better than all-multicast on network with lots 3125 * of multicast traffic). 3126 */ 3127 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3128 sc->tulip_flags |= TULIP_WANTHASHONLY; 3129 else 3130 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3131 /* 3132 * If we have more than 14 multicasts, we have 3133 * go into hash perfect mode (512 bit multicast 3134 * hash and one perfect hardware). 3135 */ 3136 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3137 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3138 while (enm != NULL) { 3139 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3140 hash = tulip_mchash(enm->enm_addrlo); 3141 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3142 } else { 3143 sc->tulip_flags |= TULIP_ALLMULTI; 3144 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3145 break; 3146 } 3147 ETHER_NEXT_MULTI(step, enm); 3148 } 3149 /* 3150 * No reason to use a hash if we are going to be 3151 * receiving every multicast. 3152 */ 3153 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3154 hash = tulip_mchash(etherbroadcastaddr); 3155 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3156 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3157 hash = tulip_mchash(sc->tulip_enaddr); 3158 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3159 } else { 3160 sp[39] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[0]); 3161 sp[40] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[1]); 3162 sp[41] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[2]); 3163 } 3164 } 3165 } 3166 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3167 u_int32_t *sp = sc->tulip_setupdata; 3168 int idx = 0; 3169 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3170 /* 3171 * Else can get perfect filtering for 16 addresses. 3172 */ 3173 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3174 for (; enm != NULL; idx++) { 3175 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3176 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[0]); 3177 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[1]); 3178 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[2]); 3179 } else { 3180 sc->tulip_flags |= TULIP_ALLMULTI; 3181 break; 3182 } 3183 ETHER_NEXT_MULTI(step, enm); 3184 } 3185 /* 3186 * Add the broadcast address. 3187 */ 3188 idx++; 3189 *sp++ = FILT_BO(0xFFFF); 3190 *sp++ = FILT_BO(0xFFFF); 3191 *sp++ = FILT_BO(0xFFFF); 3192 } 3193 /* 3194 * Pad the rest with our hardware address 3195 */ 3196 for (; idx < 16; idx++) { 3197 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[0]); 3198 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[1]); 3199 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[2]); 3200 } 3201 } 3202#if defined(IFF_ALLMULTI) 3203 if (sc->tulip_flags & TULIP_ALLMULTI) 3204 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3205#endif 3206} 3207 3208static void 3209tulip_reset( 3210 tulip_softc_t * const sc) 3211{ 3212 tulip_ringinfo_t *ri; 3213 tulip_desc_t *di; 3214 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3215 3216#if defined(TULIP_DEBUG) 3217 printf ("de0: resetting...\n"); 3218#endif 3219 3220 /* 3221 * Brilliant. Simply brilliant. When switching modes/speeds 3222 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3223 * bits in CSR6 and then do a software reset to get the 21140 3224 * to properly reset its internal pathways to the right places. 3225 * Grrrr. 3226 */ 3227 if (sc->tulip_boardsw->bd_media_preset != NULL) 3228 (*sc->tulip_boardsw->bd_media_preset)(sc); 3229 3230 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3231 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3232 33MHz that comes to two microseconds but wait a 3233 bit longer anyways) */ 3234 3235 if (!inreset) { 3236 sc->tulip_flags |= TULIP_INRESET; 3237 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3238 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3239 sc->tulip_if.if_start = tulip_ifstart; 3240 } 3241 3242 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3243 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3244#ifdef powerpc 3245 TULIP_CSR_WRITE(sc, csr_busmode, 3246 (4 << 2) /* Descriptor skip length */ 3247 |TULIP_BUSMODE_CACHE_ALIGN8 3248 |TULIP_BUSMODE_READMULTIPLE 3249 /* 3250 |(BYTE_ORDER != LITTLE_ENDIAN ? (TULIP_BUSMODE_DESC_BIGENDIAN) : 0) 3251 */ 3252 ); 3253#else 3254 TULIP_CSR_WRITE(sc, csr_busmode, 3255 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3256 |TULIP_BUSMODE_CACHE_ALIGN8 3257 |TULIP_BUSMODE_READMULTIPLE 3258 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3259#endif 3260 3261 sc->tulip_txtimer = 0; 3262 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3263 /* 3264 * Free all the mbufs that were on the transmit ring. 3265 */ 3266 for (;;) { 3267 struct mbuf *m; 3268 IF_DEQUEUE(&sc->tulip_txq, m); 3269 if (m == NULL) 3270 break; 3271 m_freem(m); 3272 } 3273 3274 ri = &sc->tulip_txinfo; 3275 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3276 ri->ri_free = ri->ri_max; 3277 for (di = ri->ri_first; di < ri->ri_last; di++) 3278 di->d_status = 0; /* no swabbing necessary -dsr */ 3279 3280 /* 3281 * We need to collect all the mbufs were on the 3282 * receive ring before we reinit it either to put 3283 * them back on or to know if we have to allocate 3284 * more. 3285 */ 3286 ri = &sc->tulip_rxinfo; 3287 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3288 ri->ri_free = ri->ri_max; 3289 for (di = ri->ri_first; di < ri->ri_last; di++) { 3290 di->d_status = 0; /* no swabbing necessary -dsr */ 3291 { 3292 tulip_desc_bitfield_t u; 3293 3294 u.f = DESC_BO(di->u.f); /* copy the bitfields */ 3295 u.bd_length1 = 0; 3296 u.bd_length2 = 0; 3297 di->u.f = DESC_BO(u.f); 3298 } 3299 di->d_addr1 = 0; /* no swabbing necessary -dsr */ 3300 di->d_addr2 = 0; /* no swabbing necessary -dsr */ 3301 } 3302 for (;;) { 3303 struct mbuf *m; 3304 IF_DEQUEUE(&sc->tulip_rxq, m); 3305 if (m == NULL) 3306 break; 3307 m_freem(m); 3308 } 3309 3310 /* 3311 * If tulip_reset is being called recurisvely, exit quickly knowing 3312 * that when the outer tulip_reset returns all the right stuff will 3313 * have happened. 3314 */ 3315 if (inreset) 3316 return; 3317 3318 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3319 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3320 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3321 |TULIP_STS_RXSTOPPED; 3322 3323 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3324 (*sc->tulip_boardsw->bd_media_select)(sc); 3325#if defined(TULIP_DEBUG) 3326 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3327 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3328 TULIP_PRINTF_ARGS); 3329#endif 3330 tulip_media_print(sc); 3331 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3332 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3333 3334 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3335 |TULIP_RXACT); 3336 tulip_addr_filter(sc); 3337} 3338 3339static void 3340tulip_init( 3341 tulip_softc_t * const sc) 3342{ 3343 if (sc->tulip_if.if_flags & IFF_UP) { 3344 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3345 /* initialize the media */ 3346 tulip_reset(sc); 3347 } 3348 sc->tulip_if.if_flags |= IFF_RUNNING; 3349 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3350 sc->tulip_flags |= TULIP_PROMISC; 3351 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3352 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3353 } else { 3354 sc->tulip_flags &= ~TULIP_PROMISC; 3355 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3356 if (sc->tulip_flags & TULIP_ALLMULTI) { 3357 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3358 } else { 3359 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3360 } 3361 } 3362 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3363 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3364 tulip_rx_intr(sc); 3365 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3366 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3367 } else { 3368 sc->tulip_if.if_flags |= IFF_OACTIVE; 3369 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3370 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3371 } 3372 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3373 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3374 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3375 tulip_txput_setup(sc); 3376 } else { 3377 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3378 tulip_reset(sc); 3379 } 3380} 3381 3382static void 3383tulip_rx_intr( 3384 tulip_softc_t * const sc) 3385{ 3386 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3387 struct ifnet * const ifp = &sc->tulip_if; 3388 int fillok = 1; 3389#if defined(TULIP_DEBUG) 3390 int cnt = 0; 3391#endif 3392 3393 for (;;) { 3394 struct ether_header eh; 3395 tulip_desc_t *eop = ri->ri_nextin; 3396 int total_len = 0, last_offset = 0; 3397 struct mbuf *ms = NULL, *me = NULL; 3398 int accept = 0; 3399 3400 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3401 goto queue_mbuf; 3402 3403#if defined(TULIP_DEBUG) 3404 if (cnt == ri->ri_max) 3405 break; 3406#endif 3407 /* 3408 * If the TULIP has no descriptors, there can't be any receive 3409 * descriptors to process. 3410 */ 3411 if (eop == ri->ri_nextout) 3412 break; 3413 3414 /* 3415 * 90% of the packets will fit in one descriptor. So we optimize 3416 * for that case. 3417 */ 3418 if ((DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3419 IF_DEQUEUE(&sc->tulip_rxq, ms); 3420 me = ms; 3421 } else { 3422 /* 3423 * If still owned by the TULIP, don't touch it. 3424 */ 3425 if (DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_OWNER) 3426 break; 3427 3428 /* 3429 * It is possible (though improbable unless the BIG_PACKET support 3430 * is enabled or MCLBYTES < 1518) for a received packet to cross 3431 * more than one receive descriptor. 3432 */ 3433 while ((DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_RxLASTDESC) == 0) { 3434 if (++eop == ri->ri_last) 3435 eop = ri->ri_first; 3436 if (eop == ri->ri_nextout || (DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_OWNER)) { 3437#if defined(TULIP_DEBUG) 3438 sc->tulip_dbg.dbg_rxintrs++; 3439 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3440#endif 3441 return; 3442 } 3443 total_len++; 3444 } 3445 3446 /* 3447 * Dequeue the first buffer for the start of the packet. Hopefully 3448 * this will be the only one we need to dequeue. However, if the 3449 * packet consumed multiple descriptors, then we need to dequeue 3450 * those buffers and chain to the starting mbuf. All buffers but 3451 * the last buffer have the same length so we can set that now. 3452 * (we add to last_offset instead of multiplying since we normally 3453 * won't go into the loop and thereby saving a ourselves from 3454 * doing a multiplication by 0 in the normal case). 3455 */ 3456 IF_DEQUEUE(&sc->tulip_rxq, ms); 3457 for (me = ms; total_len > 0; total_len--) { 3458 me->m_len = TULIP_RX_BUFLEN; 3459 last_offset += TULIP_RX_BUFLEN; 3460 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3461 me = me->m_next; 3462 } 3463 } 3464 3465 /* 3466 * Now get the size of received packet (minus the CRC). 3467 */ 3468 total_len = ((DESC_BO(eop->d_status) >> 16) & 0x7FFF) - 4; 3469 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3470 && ((DESC_BO(eop->d_status) & TULIP_DSTS_ERRSUM) == 0 3471#ifdef BIG_PACKET 3472 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3473 (DESC_BO(eop->d_status) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3474 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3475 TULIP_DSTS_RxOVERFLOW)) == 0) 3476#endif 3477 )) { 3478 me->m_len = total_len - last_offset; 3479 eh = *mtod(ms, struct ether_header *); 3480#if NBPFILTER > 0 3481 if (sc->tulip_bpf != NULL) { 3482 if (me == ms) 3483 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3484 else 3485 TULIP_BPF_MTAP(sc, ms); 3486 } 3487#endif 3488 sc->tulip_flags |= TULIP_RXACT; 3489 accept = 1; 3490 total_len -= sizeof(struct ether_header); 3491 } else { 3492 ifp->if_ierrors++; 3493 if (DESC_BO(eop->d_status) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3494 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3495 } else { 3496 const char *error = NULL; 3497 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxTOOLONG) { 3498 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3499 error = "frame too long"; 3500 } 3501 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxBADCRC) { 3502 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxDRBBLBIT) { 3503 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3504 error = "alignment error"; 3505 } else { 3506 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3507 error = "bad crc"; 3508 } 3509 } 3510 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3511 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3512 TULIP_PRINTF_ARGS, 3513 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3514 error); 3515 sc->tulip_flags |= TULIP_NOMESSAGES; 3516 } 3517 } 3518 } 3519#if defined(TULIP_DEBUG) 3520 cnt++; 3521#endif 3522 ifp->if_ipackets++; 3523 if (++eop == ri->ri_last) 3524 eop = ri->ri_first; 3525 ri->ri_nextin = eop; 3526 queue_mbuf: 3527 /* 3528 * Either we are priming the TULIP with mbufs (m == NULL) 3529 * or we are about to accept an mbuf for the upper layers 3530 * so we need to allocate an mbuf to replace it. If we 3531 * can't replace it, send up it anyways. This may cause 3532 * us to drop packets in the future but that's better than 3533 * being caught in livelock. 3534 * 3535 * Note that if this packet crossed multiple descriptors 3536 * we don't even try to reallocate all the mbufs here. 3537 * Instead we rely on the test of the beginning of 3538 * the loop to refill for the extra consumed mbufs. 3539 */ 3540 if (accept || ms == NULL) { 3541 struct mbuf *m0; 3542 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3543 if (m0 != NULL) { 3544#if defined(TULIP_COPY_RXDATA) 3545 if (!accept || total_len >= MHLEN) { 3546#endif 3547 MCLGET(m0, M_DONTWAIT); 3548 if ((m0->m_flags & M_EXT) == 0) { 3549 m_freem(m0); 3550 m0 = NULL; 3551 } 3552#if defined(TULIP_COPY_RXDATA) 3553 } 3554#endif 3555 } 3556 if (accept 3557#if defined(TULIP_COPY_RXDATA) 3558 && m0 != NULL 3559#endif 3560 ) { 3561#if defined(__bsdi__) 3562 eh.ether_type = ntohs(eh.ether_type); 3563#endif 3564#if !defined(TULIP_COPY_RXDATA) 3565 ms->m_data += sizeof(struct ether_header); 3566 ms->m_len -= sizeof(struct ether_header); 3567 ms->m_pkthdr.len = total_len; 3568 ms->m_pkthdr.rcvif = ifp; 3569 ether_input(ifp, &eh, ms); 3570#else 3571#ifdef BIG_PACKET 3572#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3573#endif 3574 if (ms == me) 3575 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3576 mtod(m0, caddr_t), total_len); 3577 else 3578 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3579 m0->m_len = m0->m_pkthdr.len = total_len; 3580 m0->m_pkthdr.rcvif = ifp; 3581 ether_input(ifp, &eh, m0); 3582 m0 = ms; 3583#endif 3584 } 3585 ms = m0; 3586 } 3587 if (ms == NULL) { 3588 /* 3589 * Couldn't allocate a new buffer. Don't bother 3590 * trying to replenish the receive queue. 3591 */ 3592 fillok = 0; 3593 sc->tulip_flags |= TULIP_RXBUFSLOW; 3594#if defined(TULIP_DEBUG) 3595 sc->tulip_dbg.dbg_rxlowbufs++; 3596#endif 3597 continue; 3598 } 3599 /* 3600 * Now give the buffer(s) to the TULIP and save in our 3601 * receive queue. 3602 */ 3603 do { 3604 tulip_desc_bitfield_t u; 3605 u.f = DESC_BO ( ri->ri_nextout->u.f ); 3606 u.bd_length1 = TULIP_RX_BUFLEN; 3607 ri->ri_nextout->u.f = DESC_BO ( u.f ); 3608 3609 ri->ri_nextout->d_addr1 = 3610 DESC_BO(TULIP_KVATOPHYS(sc, mtod(ms, caddr_t))); 3611 ri->ri_nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 3612#if defined(__mips__) 3613 pci_sync_cache(sc->tulip_pc, (vm_offset_t)mtod(ms, caddr_t),TULIP_RX_BUFLEN); 3614#endif 3615 if (++ri->ri_nextout == ri->ri_last) 3616 ri->ri_nextout = ri->ri_first; 3617 me = ms->m_next; 3618 ms->m_next = NULL; 3619 IF_ENQUEUE(&sc->tulip_rxq, ms); 3620 } while ((ms = me) != NULL); 3621 3622 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3623 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3624 } 3625 3626#if defined(TULIP_DEBUG) 3627 sc->tulip_dbg.dbg_rxintrs++; 3628 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3629#endif 3630} 3631 3632 3633static int 3634tulip_tx_intr( 3635 tulip_softc_t * const sc) 3636{ 3637 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3638 struct mbuf *m; 3639 int xmits = 0; 3640 int descs = 0; 3641 3642 while (ri->ri_free < ri->ri_max) { 3643 u_int32_t d_flag; 3644 if (DESC_BO(((volatile tulip_desc_t *) ri->ri_nextin)->d_status) & TULIP_DSTS_OWNER) 3645 break; 3646 3647 { 3648 tulip_desc_bitfield_t u; 3649 3650 u.f = DESC_BO(ri->ri_nextin->u.f); /* copy the bitfields */ 3651 d_flag = u.bd_flag; 3652 } 3653 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3654 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3655 /* 3656 * We've just finished processing a setup packet. 3657 * Mark that we finished it. If there's not 3658 * another pending, startup the TULIP receiver. 3659 * Make sure we ack the RXSTOPPED so we won't get 3660 * an abormal interrupt indication. 3661 */ 3662 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3663 if (d_flag & TULIP_DFLAG_TxINVRSFILT) 3664 sc->tulip_flags |= TULIP_HASHONLY; 3665 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3666 tulip_rx_intr(sc); 3667 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3668 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3669 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3670 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3671 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3672 } 3673 } else { 3674 const u_int32_t d_status = DESC_BO(ri->ri_nextin->d_status); 3675 IF_DEQUEUE(&sc->tulip_txq, m); 3676 if (m != NULL) { 3677#if NBPFILTER > 0 3678 if (sc->tulip_bpf != NULL) 3679 TULIP_BPF_MTAP(sc, m); 3680#endif 3681 m_freem(m); 3682#if defined(TULIP_DEBUG) 3683 } else { 3684 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3685#endif 3686 } 3687 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3688 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3689 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3690#if defined(TULIP_DEBUG) 3691 if (d_status & TULIP_DSTS_TxNOCARR) 3692 sc->tulip_dbg.dbg_txprobe_nocarr++; 3693 if (d_status & TULIP_DSTS_TxEXCCOLL) 3694 sc->tulip_dbg.dbg_txprobe_exccoll++; 3695#endif 3696 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3697 } 3698 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3699 /* 3700 * Escape from the loop before media poll has reset the TULIP! 3701 */ 3702 break; 3703 } else { 3704 xmits++; 3705 if (d_status & TULIP_DSTS_ERRSUM) { 3706 sc->tulip_if.if_oerrors++; 3707 if (d_status & TULIP_DSTS_TxEXCCOLL) 3708 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3709 if (d_status & TULIP_DSTS_TxLATECOLL) 3710 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3711 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3712 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3713 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3714 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3715 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3716 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3717 if (d_status & TULIP_DSTS_TxBABBLE) 3718 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3719 } else { 3720 u_int32_t collisions = 3721 (d_status & TULIP_DSTS_TxCOLLMASK) 3722 >> TULIP_DSTS_V_TxCOLLCNT; 3723 sc->tulip_if.if_collisions += collisions; 3724 if (collisions == 1) 3725 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3726 else if (collisions > 1) 3727 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3728 else if (d_status & TULIP_DSTS_TxDEFERRED) 3729 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3730 /* 3731 * SQE is only valid for 10baseT/BNC/AUI when not 3732 * running in full-duplex. In order to speed up the 3733 * test, the corresponding bit in tulip_flags needs to 3734 * set as well to get us to count SQE Test Errors. 3735 */ 3736 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3737 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3738 } 3739 } 3740 } 3741 } 3742 3743 if (++ri->ri_nextin == ri->ri_last) 3744 ri->ri_nextin = ri->ri_first; 3745 3746 ri->ri_free++; 3747 descs++; 3748 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3749 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3750 } 3751 /* 3752 * If nothing left to transmit, disable the timer. 3753 * Else if progress, reset the timer back to 2 ticks. 3754 */ 3755 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3756 sc->tulip_txtimer = 0; 3757 else if (xmits > 0) 3758 sc->tulip_txtimer = TULIP_TXTIMER; 3759 sc->tulip_if.if_opackets += xmits; 3760 return descs; 3761} 3762 3763static void 3764tulip_print_abnormal_interrupt( 3765 tulip_softc_t * const sc, 3766 u_int32_t csr) 3767{ 3768 const char * const *msgp = tulip_status_bits; 3769 const char *sep; 3770 u_int32_t mask; 3771 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3772 3773 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3774 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3775 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3776 if ((csr & mask) && *msgp != NULL) { 3777 printf("%s%s", sep, *msgp); 3778 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3779 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3780 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3781 printf(" (switching to store-and-forward mode)"); 3782 } else { 3783 printf(" (raising TX threshold to %s)", 3784 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3785 } 3786 } 3787 sep = ", "; 3788 } 3789 } 3790 printf("\n"); 3791} 3792 3793static void 3794tulip_intr_handler( 3795 tulip_softc_t * const sc, 3796 int *progress_p) 3797{ 3798 TULIP_PERFSTART(intr) 3799 u_int32_t csr; 3800 3801 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3802 *progress_p = 1; 3803 TULIP_CSR_WRITE(sc, csr_status, csr); 3804 3805 if (csr & TULIP_STS_SYSERROR) { 3806 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3807 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3808 sc->tulip_flags |= TULIP_SYSTEMERROR; 3809 } else { 3810 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3811 TULIP_PRINTF_ARGS, 3812 tulip_system_errors[sc->tulip_last_system_error]); 3813 } 3814 sc->tulip_flags |= TULIP_NEEDRESET; 3815 sc->tulip_system_errors++; 3816 break; 3817 } 3818 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3819#if defined(TULIP_DEBUG) 3820 sc->tulip_dbg.dbg_link_intrs++; 3821#endif 3822 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3823 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3824 ? TULIP_MEDIAPOLL_LINKFAIL 3825 : TULIP_MEDIAPOLL_LINKPASS); 3826 csr &= ~TULIP_STS_ABNRMLINTR; 3827 } 3828 tulip_media_print(sc); 3829 } 3830 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3831 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3832 if (csr & TULIP_STS_RXNOBUF) 3833 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3834 /* 3835 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3836 * on receive overflows. 3837 */ 3838 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3839 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3840 /* 3841 * Stop the receiver process and spin until it's stopped. 3842 * Tell rx_intr to drop the packets it dequeues. 3843 */ 3844 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3845 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3846 ; 3847 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3848 sc->tulip_flags |= TULIP_RXIGNORE; 3849 } 3850 tulip_rx_intr(sc); 3851 if (sc->tulip_flags & TULIP_RXIGNORE) { 3852 /* 3853 * Restart the receiver. 3854 */ 3855 sc->tulip_flags &= ~TULIP_RXIGNORE; 3856 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3857 } 3858 } 3859 if (csr & TULIP_STS_ABNRMLINTR) { 3860 u_int32_t tmp = csr & sc->tulip_intrmask 3861 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3862 if (csr & TULIP_STS_TXUNDERFLOW) { 3863#if defined(TULIP_DEBUG) 3864 printf ("Underflow interrupt\n"); 3865#endif 3866 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3867 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3868 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3869 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3870 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3871 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3872 } 3873 } 3874 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3875 sc->tulip_statusbits |= tmp; 3876 } else { 3877 tulip_print_abnormal_interrupt(sc, tmp); 3878 sc->tulip_flags |= TULIP_NOMESSAGES; 3879 } 3880 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3881 } 3882 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3883 tulip_tx_intr(sc); 3884 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3885 tulip_ifstart(&sc->tulip_if); 3886 } 3887 } 3888 if (sc->tulip_flags & TULIP_NEEDRESET) { 3889 tulip_reset(sc); 3890 tulip_init(sc); 3891 } 3892 TULIP_PERFEND(intr); 3893} 3894 3895#if defined(TULIP_USE_SOFTINTR) 3896/* 3897 * This is a experimental idea to alleviate problems due to interrupt 3898 * livelock. What is interrupt livelock? It's when you spend all your 3899 * time servicing device interrupts and never drop below device ipl 3900 * to do "useful" work. 3901 * 3902 * So what we do here is see if the device needs service and if so, 3903 * disable interrupts (dismiss the interrupt), place it in a list of devices 3904 * needing service, and issue a network software interrupt. 3905 * 3906 * When our network software interrupt routine gets called, we simply 3907 * walk done the list of devices that we have created and deal with them 3908 * at splnet/splsoftnet. 3909 * 3910 */ 3911static void 3912tulip_hardintr_handler( 3913 tulip_softc_t * const sc, 3914 int *progress_p) 3915{ 3916 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3917 return; 3918 *progress_p = 1; 3919 /* 3920 * disable interrupts 3921 */ 3922 TULIP_CSR_WRITE(sc, csr_intr, 0); 3923 /* 3924 * mark it as needing a software interrupt 3925 */ 3926 tulip_softintr_mask |= (1U << sc->tulip_unit); 3927 3928#if defined(__NetBSD__) && NRND > 0 3929 /* 3930 * This isn't all that random (the value we feed in) but it is 3931 * better than a constant probably. It isn't used in entropy 3932 * calculation anyway, just to add something to the pool. 3933 */ 3934 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 3935#endif 3936} 3937 3938static void 3939tulip_softintr( 3940 void) 3941{ 3942 u_int32_t softintr_mask, mask; 3943 int progress = 0; 3944 int unit; 3945 tulip_spl_t s; 3946 3947 /* 3948 * Copy mask to local copy and reset global one to 0. 3949 */ 3950 s = TULIP_RAISESPL(); 3951 softintr_mask = tulip_softintr_mask; 3952 tulip_softintr_mask = 0; 3953 TULIP_RESTORESPL(s); 3954 3955 /* 3956 * Optimize for the single unit case. 3957 */ 3958 if (tulip_softintr_max_unit == 0) { 3959 if (softintr_mask & 1) { 3960 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 3961 /* 3962 * Handle the "interrupt" and then reenable interrupts 3963 */ 3964 softintr_mask = 0; 3965 tulip_intr_handler(sc, &progress); 3966 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3967 } 3968 return; 3969 } 3970 3971 /* 3972 * Handle all "queued" interrupts in a round robin fashion. 3973 * This is done so as not to favor a particular interface. 3974 */ 3975 unit = tulip_softintr_last_unit; 3976 mask = (1U << unit); 3977 while (softintr_mask != 0) { 3978 if (tulip_softintr_max_unit == unit) { 3979 unit = 0; mask = 1; 3980 } else { 3981 unit += 1; mask <<= 1; 3982 } 3983 if (softintr_mask & mask) { 3984 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 3985 /* 3986 * Handle the "interrupt" and then reenable interrupts 3987 */ 3988 softintr_mask ^= mask; 3989 tulip_intr_handler(sc, &progress); 3990 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3991 } 3992 } 3993 3994 /* 3995 * Save where we ending up. 3996 */ 3997 tulip_softintr_last_unit = unit; 3998} 3999#endif /* TULIP_USE_SOFTINTR */ 4000 4001static tulip_intrfunc_t 4002tulip_intr_shared( 4003 void *arg) 4004{ 4005 tulip_softc_t * sc = arg; 4006 int progress = 0; 4007 4008 for (; sc != NULL; sc = sc->tulip_slaves) { 4009#if defined(TULIP_DEBUG) 4010 sc->tulip_dbg.dbg_intrs++; 4011#endif 4012#if defined(TULIP_USE_SOFTINTR) 4013 tulip_hardintr_handler(sc, &progress); 4014#else 4015 tulip_intr_handler(sc, &progress); 4016#endif 4017 } 4018#if defined(TULIP_USE_SOFTINTR) 4019 if (progress) 4020 schednetisr(NETISR_DE); 4021#endif 4022#if !defined(TULIP_VOID_INTRFUNC) 4023 return progress; 4024#endif 4025} 4026 4027static tulip_intrfunc_t 4028tulip_intr_normal( 4029 void *arg) 4030{ 4031 tulip_softc_t * sc = (tulip_softc_t *) arg; 4032 int progress = 0; 4033 4034#if defined(TULIP_DEBUG) 4035 sc->tulip_dbg.dbg_intrs++; 4036#endif 4037#if defined(TULIP_USE_SOFTINTR) 4038 tulip_hardintr_handler(sc, &progress); 4039 if (progress) 4040 schednetisr(NETISR_DE); 4041#else 4042 tulip_intr_handler(sc, &progress); 4043#endif 4044#if !defined(TULIP_VOID_INTRFUNC) 4045 return progress; 4046#endif 4047} 4048 4049static struct mbuf * 4050tulip_mbuf_compress( 4051 struct mbuf *m) 4052{ 4053 struct mbuf *m0; 4054#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4055 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4056 if (m0 != NULL) { 4057 if (m->m_pkthdr.len > MHLEN) { 4058 MCLGET(m0, M_DONTWAIT); 4059 if ((m0->m_flags & M_EXT) == 0) { 4060 m_freem(m); 4061 m_freem(m0); 4062 return NULL; 4063 } 4064 } 4065 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4066 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4067 } 4068#else 4069 int mlen = MHLEN; 4070 int len = m->m_pkthdr.len; 4071 struct mbuf **mp = &m0; 4072 4073 while (len > 0) { 4074 if (mlen == MHLEN) { 4075 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4076 } else { 4077 MGET(*mp, M_DONTWAIT, MT_DATA); 4078 } 4079 if (*mp == NULL) { 4080 m_freem(m0); 4081 m0 = NULL; 4082 break; 4083 } 4084 if (len > MLEN) { 4085 MCLGET(*mp, M_DONTWAIT); 4086 if (((*mp)->m_flags & M_EXT) == 0) { 4087 m_freem(m0); 4088 m0 = NULL; 4089 break; 4090 } 4091 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4092 } else { 4093 (*mp)->m_len = len <= mlen ? len : mlen; 4094 } 4095 m_copydata(m, m->m_pkthdr.len - len, 4096 (*mp)->m_len, mtod((*mp), caddr_t)); 4097 len -= (*mp)->m_len; 4098 mp = &(*mp)->m_next; 4099 mlen = MLEN; 4100 } 4101#endif 4102 m_freem(m); 4103 return m0; 4104} 4105 4106static struct mbuf * 4107tulip_txput( 4108 tulip_softc_t * const sc, 4109 struct mbuf *m) 4110{ 4111 TULIP_PERFSTART(txput) 4112 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4113 tulip_desc_t *eop, *nextout; 4114 int segcnt, free; 4115 u_int32_t d_status; 4116 struct mbuf *m0; 4117#if 1 /* ALTQ */ 4118 struct ifnet *ifp = &sc->tulip_if; 4119 struct mbuf *ombuf = m; 4120 int compressed = 0; 4121#endif 4122 4123#if defined(TULIP_DEBUG) 4124 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4125 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4126 TULIP_PRINTF_ARGS, 4127 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4128 sc->tulip_flags |= TULIP_WANTTXSTART; 4129 goto finish; 4130 } 4131#endif 4132 4133 /* 4134 * Now we try to fill in our transmit descriptors. This is 4135 * a bit reminiscent of going on the Ark two by two 4136 * since each descriptor for the TULIP can describe 4137 * two buffers. So we advance through packet filling 4138 * each of the two entries at a time to to fill each 4139 * descriptor. Clear the first and last segment bits 4140 * in each descriptor (actually just clear everything 4141 * but the end-of-ring or chain bits) to make sure 4142 * we don't get messed up by previously sent packets. 4143 * 4144 * We may fail to put the entire packet on the ring if 4145 * there is either not enough ring entries free or if the 4146 * packet has more than MAX_TXSEG segments. In the former 4147 * case we will just wait for the ring to empty. In the 4148 * latter case we have to recopy. 4149 */ 4150 again: 4151 d_status = 0; 4152 eop = nextout = ri->ri_nextout; 4153 m0 = m; 4154 segcnt = 0; 4155 free = ri->ri_free; 4156 do { 4157 int len = m0->m_len; 4158 caddr_t addr = mtod(m0, caddr_t); 4159 unsigned clsize = PAGE_SIZE - (((u_long) addr) & PAGE_MASK); 4160 4161 while (len > 0) { 4162 unsigned slen = min(len, clsize); 4163#ifdef BIG_PACKET 4164 int partial = 0; 4165 if (slen >= 2048) 4166 slen = 2040, partial = 1; 4167#endif 4168 segcnt++; 4169 if (segcnt > TULIP_MAX_TXSEG) { 4170 /* 4171 * The packet exceeds the number of transmit buffer 4172 * entries that we can use for one packet, so we have 4173 * recopy it into one mbuf and then try again. 4174 */ 4175#if 1 /* ALTQ */ 4176 struct mbuf *tmp; 4177 /* 4178 * tulip_mbuf_compress() frees the original mbuf. 4179 * thus, we have to remove the mbuf from the queue 4180 * before calling it. 4181 * we don't have to worry about space shortage 4182 * after compressing the mbuf since the compressed 4183 * mbuf will take only two segs. 4184 */ 4185 if (compressed) { 4186 /* should not happen */ 4187 printf("tulip_txput: compress called twice!\n"); 4188 goto finish; 4189 } 4190 IFQ_DEQUEUE(&ifp->if_snd, tmp); 4191 if (tmp != ombuf) 4192 panic("tulip_txput: different mbuf dequeued!"); 4193 compressed = 1; 4194#endif 4195 m = tulip_mbuf_compress(m); 4196 if (m == NULL) 4197 goto finish; 4198 goto again; 4199 } 4200 if (segcnt & 1) { 4201 if (--free == 0) { 4202 /* 4203 * See if there's any unclaimed space in the 4204 * transmit ring. 4205 */ 4206 if ((free += tulip_tx_intr(sc)) == 0) { 4207 /* 4208 * There's no more room but since nothing 4209 * has been committed at this point, just 4210 * show output is active, put back the 4211 * mbuf and return. 4212 */ 4213 sc->tulip_flags |= TULIP_WANTTXSTART; 4214 goto finish; 4215 } 4216 } 4217 eop = nextout; 4218 if (++nextout == ri->ri_last) 4219 nextout = ri->ri_first; 4220 { 4221 tulip_desc_bitfield_t u; 4222 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4223 u.bd_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4224 u.bd_length1 = slen; 4225 4226 eop->d_status = DESC_BO(d_status); 4227 eop->d_addr1 = DESC_BO( TULIP_KVATOPHYS(sc, addr) ); 4228 eop->u.f = DESC_BO(u.f); /* copy the bitfields */ 4229 } 4230 } else { 4231 /* 4232 * Fill in second half of descriptor 4233 */ 4234 eop->d_addr2 = DESC_BO(TULIP_KVATOPHYS(sc, addr)); 4235 { 4236 tulip_desc_bitfield_t u; 4237 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4238 u.bd_length2 = slen; 4239 eop->u.f = DESC_BO(u.f); /* copy the bitfields */ 4240 } 4241 } 4242#if defined(__mips__) 4243 pci_sync_cache(sc->tulip_pc, (vm_offset_t)addr, slen); 4244#endif 4245 d_status = TULIP_DSTS_OWNER; 4246 len -= slen; 4247 addr += slen; 4248#ifdef BIG_PACKET 4249 if (partial) 4250 continue; 4251#endif 4252 clsize = PAGE_SIZE; 4253 } 4254 } while ((m0 = m0->m_next) != NULL); 4255 4256 4257 /* 4258 * The descriptors have been filled in. Now get ready 4259 * to transmit. 4260 */ 4261#if 1 /* ALTQ */ 4262 if (!compressed && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { 4263 /* remove the mbuf from the queue */ 4264 struct mbuf *tmp; 4265 IFQ_DEQUEUE(&ifp->if_snd, tmp); 4266 if (tmp != ombuf) 4267 panic("tulip_txput: different mbuf dequeued!"); 4268 } 4269#endif 4270 4271 IF_ENQUEUE(&sc->tulip_txq, m); 4272 m = NULL; 4273 4274 /* 4275 * Make sure the next descriptor after this packet is owned 4276 * by us since it may have been set up above if we ran out 4277 * of room in the ring. 4278 */ 4279 nextout->d_status = 0; /* doesn't need swab - dsr */ 4280 4281 /* 4282 * If we only used the first segment of the last descriptor, 4283 * make sure the second segment will not be used. 4284 */ 4285 if (segcnt & 1) { 4286 tulip_desc_bitfield_t u; 4287 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4288 u.bd_length2 = 0; 4289 eop->d_addr2 = 0; /* no swab necessary - dsr */ 4290 eop->u.f = DESC_BO(u.f); 4291 } 4292 4293 /* 4294 * Mark the last and first segments, indicate we want a transmit 4295 * complete interrupt, and tell it to transmit! 4296 */ 4297 { 4298 tulip_desc_bitfield_t u; 4299 4300 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4301 u.bd_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4302 eop->u.f = DESC_BO(u.f); 4303 } 4304 4305 /* 4306 * Note that ri->ri_nextout is still the start of the packet 4307 * and until we set the OWNER bit, we can still back out of 4308 * everything we have done. 4309 */ 4310 { 4311 tulip_desc_bitfield_t u; 4312 4313 u.f = DESC_BO(ri->ri_nextout->u.f); /* copy the bitfields */ 4314 u.bd_flag |= TULIP_DFLAG_TxFIRSTSEG; 4315 ri->ri_nextout->u.f = DESC_BO(u.f); 4316 ri->ri_nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 4317 } 4318 4319 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4320 4321 /* 4322 * This advances the ring for us. 4323 */ 4324 ri->ri_nextout = nextout; 4325 ri->ri_free = free; 4326 4327 TULIP_PERFEND(txput); 4328 4329 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4330 sc->tulip_if.if_flags |= IFF_OACTIVE; 4331 sc->tulip_if.if_start = tulip_ifstart; 4332 TULIP_PERFEND(txput); 4333 return NULL; 4334 } 4335 4336 /* 4337 * switch back to the single queueing ifstart. 4338 */ 4339 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4340 if (sc->tulip_txtimer == 0) 4341 sc->tulip_txtimer = TULIP_TXTIMER; 4342 4343 /* 4344 * If we want a txstart, there must be not enough space in the 4345 * transmit ring. So we want to enable transmit done interrupts 4346 * so we can immediately reclaim some space. When the transmit 4347 * interrupt is posted, the interrupt handler will call tx_intr 4348 * to reclaim space and then txstart (since WANTTXSTART is set). 4349 * txstart will move the packet into the transmit ring and clear 4350 * WANTTXSTART thereby causing TXINTR to be cleared. 4351 */ 4352 finish: 4353 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4354 sc->tulip_if.if_flags |= IFF_OACTIVE; 4355 sc->tulip_if.if_start = tulip_ifstart; 4356 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4357 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4358 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4359 } 4360 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4361 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4362 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4363 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4364 } 4365 } 4366 TULIP_PERFEND(txput); 4367 return m; 4368} 4369 4370static void 4371tulip_txput_setup( 4372 tulip_softc_t * const sc) 4373{ 4374 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4375 tulip_desc_t *nextout; 4376 4377 /* 4378 * We will transmit, at most, one setup packet per call to ifstart. 4379 */ 4380 4381#if defined(TULIP_DEBUG) 4382 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4383 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4384 TULIP_PRINTF_ARGS); 4385 sc->tulip_flags |= TULIP_WANTTXSTART; 4386 sc->tulip_if.if_start = tulip_ifstart; 4387 return; 4388 } 4389#endif 4390 /* 4391 * Try to reclaim some free descriptors.. 4392 */ 4393 if (ri->ri_free < 2) 4394 tulip_tx_intr(sc); 4395 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4396 sc->tulip_flags |= TULIP_WANTTXSTART; 4397 sc->tulip_if.if_start = tulip_ifstart; 4398 return; 4399 } 4400 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4401 sizeof(sc->tulip_setupbuf)); 4402 /* 4403 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4404 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4405 */ 4406 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4407 ri->ri_free--; 4408#if defined(__mips__) 4409 pci_sync_cache(sc->tulip_pc, (vm_offset_t)sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf)); 4410#endif 4411 nextout = ri->ri_nextout; 4412 { 4413 u_int32_t d_flag; 4414 tulip_desc_bitfield_t u; 4415 4416 u.f = DESC_BO(nextout->u.f); /* copy the bitfields */ 4417 d_flag = u.bd_flag; 4418 4419 d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4420 d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4421 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4422 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4423 d_flag |= TULIP_DFLAG_TxHASHFILT; 4424 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4425 d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4426 4427 4428 u.bd_flag = d_flag; 4429 u.bd_length1 = sizeof(sc->tulip_setupbuf); 4430 u.bd_length2 = 0; 4431 4432 nextout->u.f = DESC_BO(u.f); 4433 nextout->d_addr1 = DESC_BO(TULIP_KVATOPHYS(sc, sc->tulip_setupbuf)); 4434 nextout->d_addr2 = 0; /* no need to swab */ 4435 } 4436 4437 /* 4438 * Advance the ring for the next transmit packet. 4439 */ 4440 if (++ri->ri_nextout == ri->ri_last) 4441 ri->ri_nextout = ri->ri_first; 4442 4443 /* 4444 * Make sure the next descriptor is owned by us since it 4445 * may have been set up above if we ran out of room in the 4446 * ring. 4447 */ 4448 ri->ri_nextout->d_status = 0; /* doesn't need swab - dsr */ 4449 nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 4450 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4451 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4452 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4453 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4454 } 4455} 4456 4457 4458/* 4459 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4460 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4461 * defined or not. 4462 */ 4463static int 4464tulip_ifioctl( 4465 struct ifnet * ifp, 4466 ioctl_cmd_t cmd, 4467 caddr_t data) 4468{ 4469 TULIP_PERFSTART(ifioctl) 4470 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4471 struct ifaddr *ifa = (struct ifaddr *)data; 4472 struct ifreq *ifr = (struct ifreq *) data; 4473 tulip_spl_t s; 4474 int error = 0; 4475 4476#if defined(TULIP_USE_SOFTINTR) 4477 s = TULIP_RAISESOFTSPL(); 4478#else 4479 s = TULIP_RAISESPL(); 4480#endif 4481 switch (cmd) { 4482 case SIOCSIFADDR: { 4483 ifp->if_flags |= IFF_UP; 4484 switch(ifa->ifa_addr->sa_family) { 4485#ifdef INET 4486 case AF_INET: { 4487 tulip_init(sc); 4488 TULIP_ARP_IFINIT(sc, ifa); 4489 break; 4490 } 4491#endif /* INET */ 4492 4493#ifdef NS 4494 /* 4495 * This magic copied from if_is.c; I don't use XNS, 4496 * so I have no way of telling if this actually 4497 * works or not. 4498 */ 4499 case AF_NS: { 4500 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4501 if (ns_nullhost(*ina)) { 4502 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4503 } else { 4504 ifp->if_flags &= ~IFF_RUNNING; 4505 bcopy((caddr_t)ina->x_host.c_host, 4506 (caddr_t)sc->tulip_enaddr, 4507 sizeof(sc->tulip_enaddr)); 4508 } 4509 tulip_init(sc); 4510 break; 4511 } 4512#endif /* NS */ 4513 4514 default: { 4515 tulip_init(sc); 4516 break; 4517 } 4518 } 4519 break; 4520 } 4521 case SIOCGIFADDR: { 4522 bcopy((caddr_t) sc->tulip_enaddr, 4523 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4524 6); 4525 break; 4526 } 4527 4528 case SIOCSIFFLAGS: { 4529#if !defined(IFM_ETHER) 4530 int flags = 0; 4531 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4532 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4533 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4534 if (flags == 7) { 4535 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4536 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4537 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4538 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4539 tulip_reset(sc); 4540 } else if (flags) { 4541 tulip_media_t media; 4542 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4543 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4544 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4545 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4546 sc->tulip_flags &= ~TULIP_DIDNWAY; 4547 tulip_linkup(sc, media); 4548 } 4549 break; 4550 } 4551 } 4552 if (flags) 4553 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4554 } 4555#endif 4556 tulip_init(sc); 4557 break; 4558 } 4559 4560#if defined(SIOCSIFMEDIA) 4561 case SIOCSIFMEDIA: 4562 case SIOCGIFMEDIA: { 4563 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4564 break; 4565 } 4566#endif 4567 4568 case SIOCADDMULTI: 4569 case SIOCDELMULTI: { 4570 /* 4571 * Update multicast listeners 4572 */ 4573 if (cmd == SIOCADDMULTI) 4574 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4575 else 4576 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4577 4578 if (error == ENETRESET) { 4579 tulip_addr_filter(sc); /* reset multicast filtering */ 4580 tulip_init(sc); 4581 error = 0; 4582 } 4583 break; 4584 } 4585 case SIOCSIFMTU: 4586 /* 4587 * Set the interface MTU. 4588 */ 4589 if (ifr->ifr_mtu > ETHERMTU 4590#ifdef BIG_PACKET 4591 && sc->tulip_chipid != TULIP_21140 4592 && sc->tulip_chipid != TULIP_21140A 4593 && sc->tulip_chipid != TULIP_21041 4594#endif 4595 ) { 4596 error = EINVAL; 4597 break; 4598 } 4599 ifp->if_mtu = ifr->ifr_mtu; 4600#ifdef BIG_PACKET 4601 tulip_reset(sc); 4602 tulip_init(sc); 4603#endif 4604 break; 4605 4606#ifdef SIOCGADDRROM 4607 case SIOCGADDRROM: { 4608 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4609 break; 4610 } 4611#endif 4612#ifdef SIOCGCHIPID 4613 case SIOCGCHIPID: { 4614 ifr->ifr_metric = (int) sc->tulip_chipid; 4615 break; 4616 } 4617#endif 4618 default: { 4619 error = EINVAL; 4620 break; 4621 } 4622 } 4623 4624 TULIP_RESTORESPL(s); 4625 TULIP_PERFEND(ifioctl); 4626 return error; 4627} 4628 4629#if 1 /* ALTQ */ 4630/* 4631 * the original dequeueing policy is dequeue-and-prepend if something 4632 * goes wrong. when altq is used, it is changed to peek-and-dequeue. 4633 * the modification becomes a bit complicated since tulip_txput() might 4634 * copy and modify the mbuf passed. 4635 */ 4636#endif 4637/* 4638 * These routines gets called at device spl (from ether_output). This might 4639 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4640 * device spl from another driver. 4641 */ 4642 4643static ifnet_ret_t 4644tulip_ifstart( 4645 struct ifnet * const ifp) 4646{ 4647 TULIP_PERFSTART(ifstart) 4648 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4649 4650 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4651 4652 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4653 tulip_txput_setup(sc); 4654 4655 while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4656 struct mbuf *m, *m0; 4657 IFQ_POLL(&sc->tulip_if.if_snd, m); 4658 if (m == NULL) 4659 break; 4660 if ((m0 = tulip_txput(sc, m)) != NULL) { 4661 if (m0 != m) 4662 /* should not happen */ 4663 printf("tulip_if_start: txput failed!\n"); 4664 break; 4665 } 4666 } 4667#ifdef ALTQ 4668 if (0) /* don't switch to the one packet mode */ 4669#else 4670 if (IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) 4671#endif 4672 sc->tulip_if.if_start = tulip_ifstart_one; 4673 } 4674 4675 TULIP_PERFEND(ifstart); 4676} 4677 4678static ifnet_ret_t 4679tulip_ifstart_one( 4680 struct ifnet * const ifp) 4681{ 4682 TULIP_PERFSTART(ifstart_one) 4683 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4684 4685 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4686 && !IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4687 struct mbuf *m, *m0; 4688 IFQ_POLL(&sc->tulip_if.if_snd, m); 4689 if (m != NULL && (m0 = tulip_txput(sc, m)) != NULL) 4690 if (m0 != m) 4691 /* should not happen */ 4692 printf("tulip_if_start_one: txput failed!\n"); 4693 } 4694 TULIP_PERFEND(ifstart_one); 4695} 4696 4697/* 4698 * Even though this routine runs at device spl, it does not break 4699 * our use of splnet (splsoftnet under NetBSD) for the majority 4700 * of this driver (if TULIP_USE_SOFTINTR defined) since 4701 * if_watcbog is called from if_watchdog which is called from 4702 * splsoftclock which is below spl[soft]net. 4703 */ 4704static void 4705tulip_ifwatchdog( 4706 struct ifnet *ifp) 4707{ 4708 TULIP_PERFSTART(ifwatchdog) 4709 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4710 4711#if defined(TULIP_DEBUG) 4712 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4713 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4714 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4715 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4716#endif /* TULIP_DEBUG */ 4717 4718 sc->tulip_if.if_timer = 1; 4719 /* 4720 * These should be rare so do a bulk test up front so we can just skip 4721 * them if needed. 4722 */ 4723 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4724 /* 4725 * If the number of receive buffer is low, try to refill 4726 */ 4727 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4728 tulip_rx_intr(sc); 4729 4730 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4731 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4732 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4733 tulip_system_errors[sc->tulip_last_system_error]); 4734 } 4735 if (sc->tulip_statusbits) { 4736 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4737 sc->tulip_statusbits = 0; 4738 } 4739 4740 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4741 } 4742 4743 if (sc->tulip_txtimer) 4744 tulip_tx_intr(sc); 4745 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4746 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4747 if (TULIP_DO_AUTOSENSE(sc)) { 4748 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4749 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4750 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4751 } 4752 tulip_reset(sc); 4753 tulip_init(sc); 4754 } 4755 4756 TULIP_PERFEND(ifwatchdog); 4757 TULIP_PERFMERGE(sc, perf_intr_cycles); 4758 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4759 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4760 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4761 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4762 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4763 TULIP_PERFMERGE(sc, perf_txput_cycles); 4764 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4765 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4766 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4767 TULIP_PERFMERGE(sc, perf_intr); 4768 TULIP_PERFMERGE(sc, perf_ifstart); 4769 TULIP_PERFMERGE(sc, perf_ifioctl); 4770 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4771 TULIP_PERFMERGE(sc, perf_timeout); 4772 TULIP_PERFMERGE(sc, perf_ifstart_one); 4773 TULIP_PERFMERGE(sc, perf_txput); 4774 TULIP_PERFMERGE(sc, perf_txintr); 4775 TULIP_PERFMERGE(sc, perf_rxintr); 4776 TULIP_PERFMERGE(sc, perf_rxget); 4777} 4778 4779#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4780static ifnet_ret_t 4781tulip_ifwatchdog_wrapper( 4782 int unit) 4783{ 4784 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 4785} 4786#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 4787#endif 4788 4789/* 4790 * All printf's are real as of now! 4791 */ 4792#ifdef printf 4793#undef printf 4794#endif 4795#if !defined(IFF_NOTRAILERS) 4796#define IFF_NOTRAILERS 0 4797#endif 4798 4799static void 4800tulip_attach( 4801 tulip_softc_t * const sc) 4802{ 4803 struct ifnet * const ifp = &sc->tulip_if; 4804 4805 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4806 ifp->if_ioctl = tulip_ifioctl; 4807 ifp->if_start = tulip_ifstart; 4808 ifp->if_watchdog = tulip_ifwatchdog; 4809 ifp->if_timer = 1; 4810#if !defined(__bsdi__) || _BSDI_VERSION < 199401 4811 ifp->if_output = ether_output; 4812#endif 4813#if defined(__bsdi__) && _BSDI_VERSION < 199401 4814 ifp->if_mtu = ETHERMTU; 4815#endif 4816 4817#ifdef __OpenBSD__ 4818 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4819#if defined(TULIP_NEED_FASTTIMEOUT) 4820 timeout_set(&sc->tulip_ftmo, tulip_fasttimeout_callback, sc); 4821#endif 4822#endif 4823 4824#if defined(__bsdi__) && _BSDI_VERSION >= 199510 4825 aprint_naive(": DEC Ethernet"); 4826 aprint_normal(": %s%s", sc->tulip_boardid, 4827 tulip_chipdescs[sc->tulip_chipid]); 4828 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 4829 sc->tulip_revinfo & 0x0F); 4830 printf("\n"); 4831 sc->tulip_pf = aprint_normal; 4832 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 4833 TULIP_PRINTF_ARGS, 4834 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4835#else 4836 printf( 4837#if defined(__bsdi__) 4838 "\n" 4839#endif 4840 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s address " TULIP_EADDR_FMT "\n", 4841 TULIP_PRINTF_ARGS, 4842 sc->tulip_boardid, 4843 tulip_chipdescs[sc->tulip_chipid], 4844 (sc->tulip_revinfo & 0xF0) >> 4, 4845 sc->tulip_revinfo & 0x0F, 4846 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4847 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4848 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4849#endif 4850 4851#if defined(__alpha__) 4852 /* 4853 * In case the SRM console told us about a bogus media, 4854 * we need to check to be safe. 4855 */ 4856 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4857 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4858#endif 4859 4860 (*sc->tulip_boardsw->bd_media_probe)(sc); 4861#if defined(IFM_ETHER) 4862 ifmedia_init(&sc->tulip_ifmedia, 0, 4863 tulip_ifmedia_change, 4864 tulip_ifmedia_status); 4865#else 4866 { 4867 tulip_media_t media; 4868 int cnt; 4869 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 4870 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 4871 if (sc->tulip_mediums[media] != NULL) { 4872 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 4873 cnt++; 4874 } 4875 } 4876 if (cnt == 1) { 4877 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 4878 printf(" none\n"); 4879 } else { 4880 printf("\n"); 4881 } 4882 } 4883#endif 4884 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4885#if defined(IFM_ETHER) 4886 tulip_ifmedia_add(sc); 4887#endif 4888 4889 tulip_reset(sc); 4890 4891 IFQ_SET_READY(&ifp->if_snd); 4892#if defined(__bsdi__) && _BSDI_VERSION >= 199510 4893 sc->tulip_pf = printf; 4894 TULIP_ETHER_IFATTACH(sc); 4895#else 4896 if_attach(ifp); 4897#if defined(__NetBSD__) || defined(__OpenBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 4898 TULIP_ETHER_IFATTACH(sc); 4899#endif 4900#endif /* __bsdi__ */ 4901 4902#if NBPFILTER > 0 4903 TULIP_BPF_ATTACH(sc); 4904#endif 4905 4906#if defined(__NetBSD__) && NRND > 0 4907 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 4908 RND_TYPE_NET); 4909#endif 4910} 4911 4912static void 4913tulip_initcsrs( 4914 tulip_softc_t * const sc, 4915 tulip_csrptr_t csr_base, 4916 size_t csr_size) 4917{ 4918 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4919 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4920 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4921 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4922 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4923 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4924 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4925 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4926 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4927 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4928 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4929 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4930 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4931 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4932 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4933 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4934#if defined(TULIP_EISA) 4935 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 4936#endif 4937} 4938 4939static void 4940tulip_initring( 4941 tulip_softc_t * const sc, 4942 tulip_ringinfo_t * const ri, 4943 tulip_desc_t *descs, 4944 int ndescs) 4945{ 4946#if defined(__mips__) 4947 tulip_desc_t *xdesc = descs; 4948 /* 4949 * Someone moved the descriptors into the softc struct. 4950 * Avoid cache line conflicts by aligning on cache line. 4951 */ 4952 descs = (tulip_desc_t *)(roundup((int)descs, 16)); 4953 if(xdesc != descs) { 4954 ndescs--; 4955 } 4956 pci_sync_cache(sc->tulip_pc, (vm_offset_t)descs, ndescs * sizeof(tulip_desc_t)); 4957 descs = (tulip_desc_t *)TULIP_KVATOPHYS(sc, descs); 4958 descs = (tulip_desc_t *)PHYS_TO_UNCACHED((int)descs & 0x3fffffff); 4959#endif 4960#ifdef PPC_MPC106_BUG 4961 /* 4962 * This is a workaround for the powerpc MPC106 chip not snooping 4963 * accesses to the descriptor area correctly. 4964 */ 4965 tulip_desc_t *xdesc = descs; 4966 xdesc = (tulip_desc_t *)(roundup((int)descs, 32) - 4); 4967 if(xdesc < descs) { 4968 ndescs--; 4969 xdesc++; 4970 } 4971 descs = xdesc; 4972#endif 4973 ri->ri_max = ndescs; 4974 ri->ri_first = descs; 4975 ri->ri_last = ri->ri_first + ri->ri_max; 4976 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4977 { 4978 tulip_desc_bitfield_t u; 4979 4980 u.f = DESC_BO( ri->ri_last[-1].u.f ); 4981 u.bd_flag = TULIP_DFLAG_ENDRING; 4982 ri->ri_last[-1].u.f = DESC_BO(u.f); 4983 } 4984} 4985 4986/* 4987 * This is the PCI configuration support. Since the 21040 is available 4988 * on both EISA and PCI boards, one must be careful in how defines the 4989 * 21040 in the config file. 4990 */ 4991 4992#define PCI_CFID 0x00 /* Configuration ID */ 4993#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 4994#define PCI_CFRV 0x08 /* Configuration Revision */ 4995#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 4996#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4997#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4998#define PCI_CFIT 0x3c /* Configuration Interrupt */ 4999#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5000 5001#if defined(TULIP_EISA) 5002static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5003#endif 5004 5005#if defined(__FreeBSD__) 5006 5007#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5008#define TULIP_SHUTDOWN_ARGS int howto, void * arg 5009 5010#if defined(TULIP_DEVCONF) 5011static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5012 5013static int 5014tulip_pci_shutdown( 5015 struct kern_devconf * const kdc, 5016 int force) 5017{ 5018 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5019 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5020 if (sc != NULL) 5021 tulip_shutdown(0, sc); 5022 } 5023 (void) dev_detach(kdc); 5024 return 0; 5025} 5026#endif 5027 5028static char* 5029tulip_pci_probe( 5030 pcici_t config_id, 5031 pcidi_t device_id) 5032{ 5033 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5034 return NULL; 5035 if (PCI_CHIPID(device_id) == CHIPID_21040) 5036 return "Digital 21040 Ethernet"; 5037 if (PCI_CHIPID(device_id) == CHIPID_21041) 5038 return "Digital 21041 Ethernet"; 5039 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5040 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5041 if (revinfo >= 0x20) 5042 return "Digital 21140A Fast Ethernet"; 5043 else 5044 return "Digital 21140 Fast Ethernet"; 5045 } 5046 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5047 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5048 if (revinfo >= 0x20) 5049 return "Digital 21143 Fast Ethernet"; 5050 else 5051 return "Digital 21142 Fast Ethernet"; 5052 } 5053 return NULL; 5054} 5055 5056static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5057static u_long tulip_pci_count; 5058 5059struct pci_device dedevice = { 5060 "de", 5061 tulip_pci_probe, 5062 tulip_pci_attach, 5063 &tulip_pci_count, 5064#if defined(TULIP_DEVCONF) 5065 tulip_pci_shutdown, 5066#endif 5067}; 5068 5069DATA_SET (pcidevice_set, dedevice); 5070#endif /* __FreeBSD__ */ 5071 5072#if defined(__bsdi__) 5073#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5074#define TULIP_SHUTDOWN_ARGS void *arg 5075 5076static int 5077tulip_pci_match( 5078 pci_devaddr_t *pa) 5079{ 5080 int irq; 5081 unsigned id; 5082 5083 id = pci_inl(pa, PCI_VENDOR_ID); 5084 if (PCI_VENDORID(id) != DEC_VENDORID) 5085 return 0; 5086 id = PCI_CHIPID(id); 5087 if (id != CHIPID_21040 && id != CHIPID_21041 5088 && id != CHIPID_21140 && id != CHIPID_21142) 5089 return 0; 5090 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5091 if (irq == 0 || irq >= 16) { 5092 printf("de?: invalid IRQ %d; skipping\n", irq); 5093 return 0; 5094 } 5095 return 1; 5096} 5097 5098static int 5099tulip_probe( 5100 struct device *parent, 5101 struct cfdata *cf, 5102 void *aux) 5103{ 5104 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5105 unsigned irq, slot; 5106 pci_devaddr_t *pa; 5107 5108#if _BSDI_VERSION >= 199401 5109 switch (ia->ia_bustype) { 5110 case BUS_PCI: 5111#endif 5112 pa = pci_scan(tulip_pci_match); 5113 if (pa == NULL) 5114 return 0; 5115 5116 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5117 5118 /* Get the base address; assume the BIOS set it up correctly */ 5119#if defined(TULIP_IOMAPPED) 5120 ia->ia_maddr = NULL; 5121 ia->ia_msize = 0; 5122 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5123 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5124 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5125 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5126 5127 /* Disable memory space access */ 5128 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5129#else 5130 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5131 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5132 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5133 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5134 ia->ia_iobase = 0; 5135 ia->ia_iosize = 0; 5136 5137 /* Disable I/O space access */ 5138 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5139#endif /* TULIP_IOMAPPED */ 5140 5141 ia->ia_aux = (void *) pa; 5142#if _BSDI_VERSION >= 199401 5143 break; 5144 5145#if defined(TULIP_EISA) 5146 case BUS_EISA: { 5147 unsigned tmp; 5148 5149 if ((slot = eisa_match(cf, ia)) == 0) 5150 return 0; 5151 ia->ia_iobase = slot << 12; 5152 ia->ia_iosize = EISA_NPORT; 5153 eisa_slotalloc(slot); 5154 tmp = inb(ia->ia_iobase + DE425_CFG0); 5155 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5156 /* 5157 * Until BSD/OS likes level interrupts, force 5158 * the DE425 into edge-triggered mode. 5159 */ 5160 if ((tmp & 1) == 0) 5161 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5162 /* 5163 * CBIO needs to map to the EISA slot 5164 * enable I/O access and Master 5165 */ 5166 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5167 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5168 ia->ia_aux = NULL; 5169 break; 5170 } 5171#endif /* TULIP_EISA */ 5172 default: 5173 return 0; 5174 } 5175#endif 5176 5177 /* PCI bus masters don't use host DMA channels */ 5178 ia->ia_drq = DRQNONE; 5179 5180 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5181 printf("de%d: error: desired IRQ of %d does not match device's " 5182 "actual IRQ of %d,\n", 5183 cf->cf_unit, 5184 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5185 return 0; 5186 } 5187 if (ia->ia_irq == IRQUNK) 5188 ia->ia_irq = irq; 5189#ifdef IRQSHARE 5190 ia->ia_irq |= IRQSHARE; 5191#endif 5192 return 1; 5193} 5194 5195static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5196 5197#if defined(TULIP_EISA) 5198static char *tulip_eisa_ids[] = { 5199 "DEC4250", 5200 NULL 5201}; 5202#endif 5203 5204struct cfdriver decd = { 5205 0, "de", tulip_probe, tulip_pci_attach, 5206#if _BSDI_VERSION >= 199401 5207 DV_IFNET, 5208#endif 5209 sizeof(tulip_softc_t), 5210#if defined(TULIP_EISA) 5211 tulip_eisa_ids 5212#endif 5213}; 5214 5215#endif /* __bsdi__ */ 5216 5217 5218#if defined(__NetBSD__) || defined(__OpenBSD__) 5219#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5220#define TULIP_SHUTDOWN_ARGS void *arg 5221static int 5222tulip_pci_probe( 5223 struct device *parent, 5224#ifdef __BROKEN_INDIRECT_CONFIG 5225 void *match, 5226#else 5227 struct cfdata *match, 5228#endif 5229 void *aux) 5230{ 5231 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5232 5233 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5234 return 0; 5235 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5236 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5237 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5238 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5239 return 1; 5240 5241 return 0; 5242} 5243 5244static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5245 5246struct cfattach de_ca = { 5247 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5248}; 5249 5250struct cfdriver de_cd = { 5251 0, "de", DV_IFNET 5252}; 5253 5254#endif /* __NetBSD__ */ 5255 5256static void 5257tulip_shutdown( 5258 TULIP_SHUTDOWN_ARGS) 5259{ 5260 tulip_softc_t * const sc = arg; 5261 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5262 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5263 33MHz that comes to two microseconds but wait a 5264 bit longer anyways) */ 5265} 5266 5267static void 5268tulip_pci_attach( 5269 TULIP_PCI_ATTACH_ARGS) 5270{ 5271#if defined(__FreeBSD__) 5272 tulip_softc_t *sc; 5273#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5274#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5275#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5276 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5277#endif 5278#if defined(__bsdi__) 5279 tulip_softc_t * const sc = (tulip_softc_t *) self; 5280 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5281 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5282 const int unit = sc->tulip_dev.dv_unit; 5283#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5284#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5285#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5286 (sc)->tulip_pci_devno = pa->d_agent)) 5287#endif 5288#if defined(__NetBSD__) || defined(__OpenBSD__) 5289 tulip_softc_t * const sc = (tulip_softc_t *) self; 5290 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5291 const int unit = sc->tulip_dev.dv_unit; 5292 bus_space_tag_t iot, memt; 5293 bus_space_handle_t ioh, memh; 5294 int ioh_valid, memh_valid; 5295#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5296#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5297#define PCI_GETBUSDEVINFO(sc) do { \ 5298 int busno, devno, funcno; \ 5299 pci_decompose_tag(pa->pa_pc, pa->pa_tag, &busno, &devno, &funcno); \ 5300 (sc)->tulip_pci_busno = busno; \ 5301 (sc)->tulip_pci_devno = devno; \ 5302 } while (0) 5303#endif /* __NetBSD__ */ 5304 5305 int retval, idx; 5306 u_int32_t revinfo, cfdainfo, id; 5307#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5308 vm_offset_t pa_csrs; 5309#endif 5310 unsigned csroffset = TULIP_PCI_CSROFFSET; 5311 unsigned csrsize = TULIP_PCI_CSRSIZE; 5312 tulip_csrptr_t csr_base; 5313 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5314 5315 if (unit >= TULIP_MAX_DEVICES) { 5316#ifdef __FreeBSD__ 5317 printf("de%d", unit); 5318#endif 5319 printf(": not configured; limit of %d reached or exceeded\n", 5320 TULIP_MAX_DEVICES); 5321 return; 5322 } 5323 5324#if defined(__bsdi__) 5325 if (pa != NULL) { 5326 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5327 id = pci_inl(pa, PCI_CFID); 5328 cfdainfo = pci_inl(pa, PCI_CFDA); 5329#if defined(TULIP_EISA) 5330 } else { 5331 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5332 csroffset = TULIP_EISA_CSROFFSET; 5333 csrsize = TULIP_EISA_CSRSIZE; 5334 chipid = TULIP_DE425; 5335 cfdainfo = 0; 5336#endif /* TULIP_EISA */ 5337 } 5338#else /* __bsdi__ */ 5339 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5340 id = PCI_CONF_READ(PCI_CFID); 5341 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5342#endif /* __bsdi__ */ 5343 5344 if (PCI_VENDORID(id) == DEC_VENDORID) { 5345 if (PCI_CHIPID(id) == CHIPID_21040) 5346 chipid = TULIP_21040; 5347 else if (PCI_CHIPID(id) == CHIPID_21041) 5348 chipid = TULIP_21041; 5349 else if (PCI_CHIPID(id) == CHIPID_21140) 5350 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5351 else if (PCI_CHIPID(id) == CHIPID_21142) 5352 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5353 } 5354 5355 if (chipid == TULIP_CHIPID_UNKNOWN) 5356 return; 5357 5358 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5359#ifdef __FreeBSD__ 5360 printf("de%d", unit); 5361#endif 5362 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5363 revinfo >> 4, revinfo & 0x0f); 5364 return; 5365 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5366#ifndef __FreeBSD__ 5367 printf("\n"); 5368#endif 5369 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5370 unit, revinfo >> 4, revinfo & 0x0f); 5371 return; 5372 } 5373 5374#if defined(__FreeBSD__) 5375 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5376 if (sc == NULL) 5377 return; 5378 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5379#endif 5380 5381 PCI_GETBUSDEVINFO(sc); 5382 sc->tulip_chipid = chipid; 5383 sc->tulip_flags |= TULIP_DEVICEPROBE; 5384 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5385 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5386 if (chipid == TULIP_21140A && revinfo <= 0x22) 5387 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5388 if (chipid == TULIP_21140) 5389 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5390 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5391 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5392 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5393 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5394 if (chipid != TULIP_21041 || revinfo >= 0x20) 5395 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5396 if (chipid != TULIP_21041) 5397 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5398 if (chipid != TULIP_21041 && revinfo >= 0x20) 5399 sc->tulip_features |= TULIP_HAVE_SIA100; 5400 } 5401 5402 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5403 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5404 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5405 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5406 DELAY(11*1000); 5407 } 5408 5409#if defined(__OpenBSD__) 5410 /* XXX - csapuntz@lcs.mit.edu 5411 OpenBSD + our PCI motherboard underflows consistently */ 5412 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 5413 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 5414#endif 5415 5416 5417#if defined(__alpha__) && defined(__NetBSD__) 5418 /* 5419 * The Alpha SRM console encodes a console set media in the driver 5420 * part of the CFDA register. Note that the Multia presents a 5421 * problem in that its BNC mode is really EXTSIA. So in that case 5422 * force a probe. 5423 */ 5424 switch ((cfdainfo >> 8) & 0xff) { 5425 case 1: media = chipid > TULIP_DE425 ? 5426 TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5427 case 2: media = chipid > TULIP_DE425 ? 5428 TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5429 case 3: media = TULIP_MEDIA_10BASET; break; 5430 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5431 case 5: media = TULIP_MEDIA_100BASETX; break; 5432 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5433 } 5434#endif 5435 5436#if defined(__NetBSD__) || defined(__OpenBSD__) 5437 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5438 sc->tulip_if.if_softc = sc; 5439 sc->tulip_pc = pa->pa_pc; 5440#else 5441 sc->tulip_unit = unit; 5442 sc->tulip_name = "de"; 5443#endif 5444 sc->tulip_revinfo = revinfo; 5445#if defined(__FreeBSD__) 5446#if BSD >= 199506 5447 sc->tulip_if.if_softc = sc; 5448#endif 5449#if defined(TULIP_IOMAPPED) 5450 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5451#else 5452 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5453#endif 5454 if (!retval) { 5455 free((caddr_t) sc, M_DEVBUF); 5456 return; 5457 } 5458 tulips[unit] = sc; 5459#endif /* __FreeBSD__ */ 5460 5461#if defined(__bsdi__) 5462 sc->tulip_pf = printf; 5463#if defined(TULIP_IOMAPPED) 5464 csr_base = ia->ia_iobase; 5465#else 5466 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5467#endif 5468#endif /* __bsdi__ */ 5469 5470#if defined(__NetBSD__) || defined(__OpenBSD__) 5471 csr_base = 0; 5472 5473 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5474 &iot, &ioh, NULL, NULL, 0) == 0); 5475 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5476 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 5477 &memt, &memh, NULL, NULL, 0) == 0); 5478#endif 5479 5480#if defined(__OpenBSD__) || defined(__NetBSD__) 5481#if defined(TULIP_IOMAPPED) 5482 if (ioh_valid) { 5483 sc->tulip_bustag = iot; 5484 sc->tulip_bushandle = ioh; 5485 } else if (memh_valid) { 5486 sc->tulip_bustag = memt; 5487 sc->tulip_bushandle = memh; 5488 } 5489#else /* defined(TULIP_IOMAPPED) */ 5490 if (memh_valid) { 5491 sc->tulip_bustag = memt; 5492 sc->tulip_bushandle = memh; 5493 } else if (ioh_valid) { 5494 sc->tulip_bustag = iot; 5495 sc->tulip_bushandle = ioh; 5496 } 5497#endif /* TULIP_IOMAPPED */ 5498 else { 5499 printf(": unable to map device registers\n"); 5500 return; 5501 } 5502#endif /* __NetBSD__ */ 5503 5504 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5505 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5506 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5507 5508 /* 5509 * Make sure there won't be any interrupts or such... 5510 */ 5511 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5512 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5513 33MHz that comes to two microseconds but wait a 5514 bit longer anyways) */ 5515 5516 if ((retval = tulip_read_macaddr(sc)) < 0) { 5517#if defined(__FreeBSD__) 5518 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5519#endif 5520 printf(": can't read ENET ROM (why=%d) (", retval); 5521 for (idx = 0; idx < 32; idx++) 5522 printf("%02x", sc->tulip_rombuf[idx]); 5523 printf("\n"); 5524 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d address unknown", 5525 TULIP_PRINTF_ARGS, 5526 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5527 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5528 } else { 5529 tulip_spl_t s; 5530 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5531 5532 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5533 intr_rtn = tulip_intr_shared; 5534 5535#if defined(__NetBSD__) || defined(__OpenBSD__) 5536 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5537 pci_intr_handle_t intrhandle; 5538 const char *intrstr; 5539 5540 if (pci_intr_map(pa, &intrhandle)) { 5541 printf(", couldn't map interrupt\n"); 5542 return; 5543 } 5544 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5545 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5546 intr_rtn, sc, self->dv_xname); 5547 if (sc->tulip_ih == NULL) { 5548 printf(", couldn't establish interrupt"); 5549 if (intrstr != NULL) 5550 printf(" at %s", intrstr); 5551 printf("\n"); 5552 return; 5553 } 5554 printf(": %s", intrstr); 5555 } 5556 printf("\n"); 5557 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5558 if (sc->tulip_ats == NULL) 5559 printf("%s: warning: couldn't establish shutdown hook\n", 5560 sc->tulip_xname); 5561#endif 5562#if defined(__FreeBSD__) 5563 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5564 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5565 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5566 TULIP_PRINTF_ARGS); 5567 return; 5568 } 5569 } 5570#if !defined(TULIP_DEVCONF) 5571 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5572#endif 5573#endif 5574#if defined(__bsdi__) 5575 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5576 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5577 5578 sc->tulip_ih.ih_fun = intr_rtn; 5579 sc->tulip_ih.ih_arg = (void *) sc; 5580 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5581 } 5582 5583 sc->tulip_ats.func = tulip_shutdown; 5584 sc->tulip_ats.arg = (void *) sc; 5585 atshutdown(&sc->tulip_ats, ATSH_ADD); 5586#endif 5587#if defined(TULIP_USE_SOFTINTR) 5588 if (sc->tulip_unit > tulip_softintr_max_unit) 5589 tulip_softintr_max_unit = sc->tulip_unit; 5590#endif 5591 5592 s = TULIP_RAISESPL(); 5593 tulip_reset(sc); 5594 tulip_attach(sc); 5595#if defined(__alpha__) && defined(__NetBSD__) 5596 if (media != TULIP_MEDIA_UNKNOWN) 5597 tulip_linkup(sc, media); 5598#endif 5599 TULIP_RESTORESPL(s); 5600 } 5601} 5602