if_de.c revision 31041
1/* $NetBSD: if_de.c,v 1.56 1997/10/20 14:32:46 matt Exp $ */ 2/* $Id: if_de.c,v 1.73 1997/10/25 14:32:15 phk Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software withough specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 28 * 29 */ 30 31/* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40#define TULIP_HDR_DATA 41 42#include <sys/param.h> 43#include <sys/systm.h> 44#include <sys/mbuf.h> 45#include <sys/socket.h> 46#include <sys/sockio.h> 47#include <sys/malloc.h> 48#include <sys/kernel.h> 49#if defined(__FreeBSD__) 50#include <machine/clock.h> 51#elif defined(__bsdi__) || defined(__NetBSD__) 52#include <sys/device.h> 53#endif 54 55#if defined(__NetBSD__) 56#include "rnd.h" 57#if NRND > 0 58#include <sys/rnd.h> 59#endif 60#endif 61 62#include <net/if.h> 63#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 64#include <net/if_media.h> 65#endif 66#include <net/if_dl.h> 67#include <net/netisr.h> 68 69#if defined(__bsdi__) && _BSDI_VERSION >= 199701 70#include <dev/mii/mii.h> 71#include <dev/mii/miivar.h> 72#endif 73 74#include "bpfilter.h" 75#if NBPFILTER > 0 76#include <net/bpf.h> 77#endif 78 79#ifdef INET 80#include <netinet/in.h> 81#endif 82 83#ifdef IPX 84#include <netipx/ipx.h> 85#include <netipx/ipx_if.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#include <machine/bus.h> 132#if defined(__alpha__) 133#include <machine/intr.h> 134#endif 135#include <dev/pci/pcireg.h> 136#include <dev/pci/pcivar.h> 137#include <dev/ic/dc21040reg.h> 138#define DEVAR_INCLUDE "dev/pci/if_devar.h" 139#endif /* __NetBSD__ */ 140 141/* 142 * Intel CPUs should use I/O mapped access. 143 */ 144#if defined(__i386__) || defined(TULIP_EISA) 145#define TULIP_IOMAPPED 146#endif 147 148#if 0 149/* 150 * This turns on all sort of debugging stuff and make the 151 * driver much larger. 152 */ 153#define TULIP_DEBUG 154#endif 155 156#if 0 157#define TULIP_PERFSTATS 158#endif 159 160#if 0 161#define TULIP_USE_SOFTINTR 162#endif 163 164#define TULIP_HZ 10 165 166#include DEVAR_INCLUDE 167/* 168 * This module supports 169 * the DEC 21040 PCI Ethernet Controller. 170 * the DEC 21041 PCI Ethernet Controller. 171 * the DEC 21140 PCI Fast Ethernet Controller. 172 */ 173static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 174static tulip_intrfunc_t tulip_intr_shared(void *arg); 175static tulip_intrfunc_t tulip_intr_normal(void *arg); 176static void tulip_init(tulip_softc_t * const sc); 177static void tulip_reset(tulip_softc_t * const sc); 178static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 179static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 180static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 181static void tulip_txput_setup(tulip_softc_t * const sc); 182static void tulip_rx_intr(tulip_softc_t * const sc); 183static void tulip_addr_filter(tulip_softc_t * const sc); 184static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 185static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 186static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 187static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 188static int tulip_srom_decode(tulip_softc_t * const sc); 189#if defined(IFM_ETHER) 190static int tulip_ifmedia_change(struct ifnet * const ifp); 191static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 192#endif 193/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 194 195static void 196tulip_timeout_callback( 197 void *arg) 198{ 199 tulip_softc_t * const sc = arg; 200 tulip_spl_t s = TULIP_RAISESPL(); 201 202 TULIP_PERFSTART(timeout) 203 204 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 205 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 206 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 207 208 TULIP_PERFEND(timeout); 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 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 220} 221 222#if defined(TULIP_NEED_FASTTIMEOUT) 223static void 224tulip_fasttimeout_callback( 225 void *arg) 226{ 227 tulip_softc_t * const sc = arg; 228 tulip_spl_t s = TULIP_RAISESPL(); 229 230 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 231 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 232 TULIP_RESTORESPL(s); 233} 234 235static void 236tulip_fasttimeout( 237 tulip_softc_t * const sc) 238{ 239 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 240 return; 241 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 242 timeout(tulip_fasttimeout_callback, sc, 1); 243} 244#endif 245 246static int 247tulip_txprobe( 248 tulip_softc_t * const sc) 249{ 250 struct mbuf *m; 251 /* 252 * Before we are sure this is the right media we need 253 * to send a small packet to make sure there's carrier. 254 * Strangely, BNC and AUI will "see" receive data if 255 * either is connected so the transmit is the only way 256 * to verify the connectivity. 257 */ 258 MGETHDR(m, M_DONTWAIT, MT_DATA); 259 if (m == NULL) 260 return 0; 261 /* 262 * Construct a LLC TEST message which will point to ourselves. 263 */ 264 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 265 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 266 mtod(m, struct ether_header *)->ether_type = htons(3); 267 mtod(m, unsigned char *)[14] = 0; 268 mtod(m, unsigned char *)[15] = 0; 269 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 270 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 271 /* 272 * send it! 273 */ 274 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 275 sc->tulip_intrmask |= TULIP_STS_TXINTR; 276 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 277 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 278 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 279 if ((m = tulip_txput(sc, m)) != NULL) 280 m_freem(m); 281 sc->tulip_probe.probe_txprobes++; 282 return 1; 283} 284 285#ifdef BIG_PACKET 286#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 287#else 288#define TULIP_SIAGEN_WATCHDOG 0 289#endif 290 291static void 292tulip_media_set( 293 tulip_softc_t * const sc, 294 tulip_media_t media) 295{ 296 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 297 298 if (mi == NULL) 299 return; 300 301 /* 302 * If we are switching media, make sure we don't think there's 303 * any stale RX activity 304 */ 305 sc->tulip_flags &= ~TULIP_RXACT; 306 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 307 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 308 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 309 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 310 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 311 DELAY(50); 312 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 313 } else { 314 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 315 } 316 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 317 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 318#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 319 /* 320 * If the cmdmode bits don't match the currently operating mode, 321 * set the cmdmode appropriately and reset the chip. 322 */ 323 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 324 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 325 sc->tulip_cmdmode |= mi->mi_cmdmode; 326 tulip_reset(sc); 327 } 328 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 329 DELAY(10); 330 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 331 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 332 /* 333 * If the cmdmode bits don't match the currently operating mode, 334 * set the cmdmode appropriately and reset the chip. 335 */ 336 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 337 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 338 sc->tulip_cmdmode |= mi->mi_cmdmode; 339 tulip_reset(sc); 340 } 341 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 342 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 343 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 344 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 345 int idx; 346 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 347 const u_int8_t *dp; 348 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 349 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 350 DELAY(10); 351 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 352 } 353 sc->tulip_phyaddr = mi->mi_phyaddr; 354 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 355 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 356 DELAY(10); 357 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 358 } 359 } else { 360 for (idx = 0; idx < mi->mi_reset_length; idx++) { 361 DELAY(10); 362 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 363 } 364 sc->tulip_phyaddr = mi->mi_phyaddr; 365 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 366 DELAY(10); 367 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 368 } 369 } 370 if (sc->tulip_flags & TULIP_TRYNWAY) { 371 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 372 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 373 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 374 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 375 sc->tulip_flags &= ~TULIP_DIDNWAY; 376 if (TULIP_IS_MEDIA_FD(media)) 377 data |= PHYCTL_FULL_DUPLEX; 378 if (TULIP_IS_MEDIA_100MB(media)) 379 data |= PHYCTL_SELECT_100MB; 380 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 381 } 382 } 383} 384 385static void 386tulip_linkup( 387 tulip_softc_t * const sc, 388 tulip_media_t media) 389{ 390 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 391 sc->tulip_flags |= TULIP_PRINTLINKUP; 392 sc->tulip_flags |= TULIP_LINKUP; 393 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 394#if 0 /* XXX how does with work with ifmedia? */ 395 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 396 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 397 if (TULIP_CAN_MEDIA_FD(media) 398 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 399 media = TULIP_FD_MEDIA_OF(media); 400 } else { 401 if (TULIP_IS_MEDIA_FD(media) 402 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 403 media = TULIP_HD_MEDIA_OF(media); 404 } 405 } 406#endif 407 if (sc->tulip_media != media) { 408#ifdef TULIP_DEBUG 409 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 410#endif 411 sc->tulip_media = media; 412 sc->tulip_flags |= TULIP_PRINTMEDIA; 413 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 414 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 415 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 416 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 417 } 418 } 419 /* 420 * We could set probe_timeout to 0 but setting to 3000 puts this 421 * in one central place and the only matters is tulip_link is 422 * followed by a tulip_timeout. Therefore setting it should not 423 * result in aberrant behavour. 424 */ 425 sc->tulip_probe_timeout = 3000; 426 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 427 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 428 if (sc->tulip_flags & TULIP_INRESET) { 429 tulip_media_set(sc, sc->tulip_media); 430 } else if (sc->tulip_probe_media != sc->tulip_media) { 431 /* 432 * No reason to change media if we have the right media. 433 */ 434 tulip_reset(sc); 435 tulip_init(sc); 436 } 437} 438 439static void 440tulip_media_print( 441 tulip_softc_t * const sc) 442{ 443 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 444 return; 445 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 446 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 447 TULIP_PRINTF_ARGS, 448 tulip_mediums[sc->tulip_media]); 449 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 450 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 451 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 452 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 453 } 454} 455 456#if defined(TULIP_DO_GPR_SENSE) 457static tulip_media_t 458tulip_21140_gpr_media_sense( 459 tulip_softc_t * const sc) 460{ 461 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 462 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 463 tulip_media_t media; 464 465 /* 466 * If one of the media blocks contained a default media flag, 467 * use that. 468 */ 469 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 470 const tulip_media_info_t *mi; 471 /* 472 * Media is not supported (or is full-duplex). 473 */ 474 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 475 continue; 476 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 477 continue; 478 479 /* 480 * Remember the media is this is the "default" media. 481 */ 482 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 483 maybe_media = media; 484 485 /* 486 * No activity mask? Can't see if it is active if there's no mask. 487 */ 488 if (mi->mi_actmask == 0) 489 continue; 490 491 /* 492 * Does the activity data match? 493 */ 494 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 495 continue; 496 497#if defined(TULIP_DEBUG) 498 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 499 TULIP_PRINTF_ARGS, tulip_mediums[media], 500 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 501 mi->mi_actmask, mi->mi_actdata); 502#endif 503 /* 504 * It does! If this is the first media we detected, then 505 * remember this media. If isn't the first, then there were 506 * multiple matches which we equate to no match (since we don't 507 * which to select (if any). 508 */ 509 if (last_media == TULIP_MEDIA_UNKNOWN) { 510 last_media = media; 511 } else if (last_media != media) { 512 last_media = TULIP_MEDIA_UNKNOWN; 513 } 514 } 515 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 516} 517#endif /* TULIP_DO_GPR_SENSE */ 518 519static tulip_link_status_t 520tulip_media_link_monitor( 521 tulip_softc_t * const sc) 522{ 523 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 524 tulip_link_status_t linkup = TULIP_LINK_DOWN; 525 526 if (mi == NULL) { 527#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 528 panic("tulip_media_link_monitor: %s: botch at line %d\n", 529 tulip_mediums[sc->tulip_media],__LINE__); 530#endif 531 return TULIP_LINK_UNKNOWN; 532 } 533 534 535 /* 536 * Have we seen some packets? If so, the link must be good. 537 */ 538 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 539 sc->tulip_flags &= ~TULIP_RXACT; 540 sc->tulip_probe_timeout = 3000; 541 return TULIP_LINK_UP; 542 } 543 544 sc->tulip_flags &= ~TULIP_RXACT; 545 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 546 u_int32_t status; 547 /* 548 * Read the PHY status register. 549 */ 550 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 551 if (status & PHYSTS_AUTONEG_DONE) { 552 /* 553 * If the PHY has completed autonegotiation, see the if the 554 * remote systems abilities have changed. If so, upgrade or 555 * downgrade as appropriate. 556 */ 557 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 558 abilities = (abilities << 6) & status; 559 if (abilities != sc->tulip_abilities) { 560#if defined(TULIP_DEBUG) 561 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 562 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 563 sc->tulip_abilities, abilities); 564#endif 565 if (tulip_mii_map_abilities(sc, abilities)) { 566 tulip_linkup(sc, sc->tulip_probe_media); 567 return TULIP_LINK_UP; 568 } 569 /* 570 * if we had selected media because of autonegotiation, 571 * we need to probe for the new media. 572 */ 573 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 574 if (sc->tulip_flags & TULIP_DIDNWAY) 575 return TULIP_LINK_DOWN; 576 } 577 } 578 /* 579 * The link is now up. If was down, say its back up. 580 */ 581 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 582 linkup = TULIP_LINK_UP; 583 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 584 /* 585 * No activity sensor? Assume all's well. 586 */ 587 if (mi->mi_actmask == 0) 588 return TULIP_LINK_UNKNOWN; 589 /* 590 * Does the activity data match? 591 */ 592 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 593 linkup = TULIP_LINK_UP; 594 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 595 /* 596 * Assume non TP ok for now. 597 */ 598 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 599 return TULIP_LINK_UNKNOWN; 600 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 601 linkup = TULIP_LINK_UP; 602#if defined(TULIP_DEBUG) 603 if (sc->tulip_probe_timeout <= 0) 604 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 605#endif 606 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 607 return TULIP_LINK_UNKNOWN; 608 } 609 /* 610 * We will wait for 3 seconds until the link goes into suspect mode. 611 */ 612 if (sc->tulip_flags & TULIP_LINKUP) { 613 if (linkup == TULIP_LINK_UP) 614 sc->tulip_probe_timeout = 3000; 615 if (sc->tulip_probe_timeout > 0) 616 return TULIP_LINK_UP; 617 618 sc->tulip_flags &= ~TULIP_LINKUP; 619 printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS); 620 } 621#if defined(TULIP_DEBUG) 622 sc->tulip_dbg.dbg_link_downed++; 623#endif 624 return TULIP_LINK_DOWN; 625} 626 627static void 628tulip_media_poll( 629 tulip_softc_t * const sc, 630 tulip_mediapoll_event_t event) 631{ 632#if defined(TULIP_DEBUG) 633 sc->tulip_dbg.dbg_events[event]++; 634#endif 635 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 636 && event == TULIP_MEDIAPOLL_TIMER) { 637 switch (tulip_media_link_monitor(sc)) { 638 case TULIP_LINK_DOWN: { 639 /* 640 * Link Monitor failed. Probe for new media. 641 */ 642 event = TULIP_MEDIAPOLL_LINKFAIL; 643 break; 644 } 645 case TULIP_LINK_UP: { 646 /* 647 * Check again soon. 648 */ 649 tulip_timeout(sc); 650 return; 651 } 652 case TULIP_LINK_UNKNOWN: { 653 /* 654 * We can't tell so don't bother. 655 */ 656 return; 657 } 658 } 659 } 660 661 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 662 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 663 if (TULIP_DO_AUTOSENSE(sc)) { 664#if defined(TULIP_DEBUG) 665 sc->tulip_dbg.dbg_link_failures++; 666#endif 667 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 668 tulip_reset(sc); /* restart probe */ 669 } 670 return; 671 } 672#if defined(TULIP_DEBUG) 673 sc->tulip_dbg.dbg_link_pollintrs++; 674#endif 675 } 676 677 if (event == TULIP_MEDIAPOLL_START) { 678 sc->tulip_if.if_flags |= IFF_OACTIVE; 679 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 680 return; 681 sc->tulip_probe_mediamask = 0; 682 sc->tulip_probe_passes = 0; 683#if defined(TULIP_DEBUG) 684 sc->tulip_dbg.dbg_media_probes++; 685#endif 686 /* 687 * If the SROM contained an explicit media to use, use it. 688 */ 689 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 690 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 691 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 692 /* 693 * connidx is defaulted to a media_unknown type. 694 */ 695 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 696 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 697 tulip_linkup(sc, sc->tulip_probe_media); 698 tulip_timeout(sc); 699 return; 700 } 701 702 if (sc->tulip_features & TULIP_HAVE_GPR) { 703 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 704 sc->tulip_probe_timeout = 2000; 705 } else { 706 sc->tulip_probe_media = TULIP_MEDIA_MAX; 707 sc->tulip_probe_timeout = 0; 708 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 709 } 710 } 711 712 /* 713 * Ignore txprobe failures or spurious callbacks. 714 */ 715 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 716 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 717 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 718 return; 719 } 720 721 /* 722 * If we really transmitted a packet, then that's the media we'll use. 723 */ 724 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 725 if (event == TULIP_MEDIAPOLL_LINKPASS) 726 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 727#if defined(TULIP_DEBUG) 728 else 729 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 730#endif 731 tulip_linkup(sc, sc->tulip_probe_media); 732 tulip_timeout(sc); 733 return; 734 } 735 736 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 737#if defined(TULIP_DO_GPR_SENSE) 738 /* 739 * Check for media via the general purpose register. 740 * 741 * Try to sense the media via the GPR. If the same value 742 * occurs 3 times in a row then just use that. 743 */ 744 if (sc->tulip_probe_timeout > 0) { 745 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 746#if defined(TULIP_DEBUG) 747 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 748 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 749#endif 750 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 751 if (new_probe_media == sc->tulip_probe_media) { 752 if (--sc->tulip_probe_count == 0) 753 tulip_linkup(sc, sc->tulip_probe_media); 754 } else { 755 sc->tulip_probe_count = 10; 756 } 757 } 758 sc->tulip_probe_media = new_probe_media; 759 tulip_timeout(sc); 760 return; 761 } 762#endif /* TULIP_DO_GPR_SENSE */ 763 /* 764 * Brute force. We cycle through each of the media types 765 * and try to transmit a packet. 766 */ 767 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 768 sc->tulip_probe_media = TULIP_MEDIA_MAX; 769 sc->tulip_probe_timeout = 0; 770 tulip_timeout(sc); 771 return; 772 } 773 774 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 775 && (sc->tulip_features & TULIP_HAVE_MII)) { 776 tulip_media_t old_media = sc->tulip_probe_media; 777 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 778 switch (sc->tulip_probe_state) { 779 case TULIP_PROBE_FAILED: 780 case TULIP_PROBE_MEDIATEST: { 781 /* 782 * Try the next media. 783 */ 784 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 785 sc->tulip_probe_timeout = 0; 786#ifdef notyet 787 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 788 break; 789 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 790 break; 791 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 792#endif 793 break; 794 } 795 case TULIP_PROBE_PHYAUTONEG: { 796 return; 797 } 798 case TULIP_PROBE_INACTIVE: { 799 /* 800 * Only probe if we autonegotiated a media that hasn't failed. 801 */ 802 sc->tulip_probe_timeout = 0; 803 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 804 sc->tulip_probe_media = old_media; 805 break; 806 } 807 tulip_linkup(sc, sc->tulip_probe_media); 808 tulip_timeout(sc); 809 return; 810 } 811 default: { 812#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 813 panic("tulip_media_poll: botch at line %d\n", __LINE__); 814#endif 815 break; 816 } 817 } 818 } 819 820 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 821#if defined(TULIP_DEBUG) 822 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 823#endif 824 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 825 return; 826 } 827 828 /* 829 * switch to another media if we tried this one enough. 830 */ 831 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 832#if defined(TULIP_DEBUG) 833 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 834 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 835 TULIP_PRINTF_ARGS); 836 sc->tulip_probe_media = TULIP_MEDIA_MAX; 837 } 838#endif 839 /* 840 * Find the next media type to check for. Full Duplex 841 * types are not allowed. 842 */ 843 do { 844 sc->tulip_probe_media -= 1; 845 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 846 if (++sc->tulip_probe_passes == 3) { 847 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 848 TULIP_PRINTF_ARGS); 849 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 850 sc->tulip_if.if_flags &= ~IFF_RUNNING; 851 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 852 return; 853 } 854 } 855 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 856 sc->tulip_probe_mediamask = 0; 857 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 858 } 859 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 860 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 861 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 862 863#if defined(TULIP_DEBUG) 864 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 865 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 866 tulip_mediums[sc->tulip_probe_media]); 867#endif 868 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 869 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 870 sc->tulip_probe.probe_txprobes = 0; 871 tulip_reset(sc); 872 tulip_media_set(sc, sc->tulip_probe_media); 873 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 874 } 875 tulip_timeout(sc); 876 877 /* 878 * If this is hanging off a phy, we know are doing NWAY and we have 879 * forced the phy to a specific speed. Wait for link up before 880 * before sending a packet. 881 */ 882 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 883 case TULIP_MEDIAINFO_MII: { 884 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 885 return; 886 break; 887 } 888 case TULIP_MEDIAINFO_SIA: { 889 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 890 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 891 return; 892 tulip_linkup(sc, sc->tulip_probe_media); 893#ifdef notyet 894 if (sc->tulip_features & TULIP_HAVE_MII) 895 tulip_timeout(sc); 896#endif 897 return; 898 } 899 break; 900 } 901 case TULIP_MEDIAINFO_RESET: 902 case TULIP_MEDIAINFO_SYM: 903 case TULIP_MEDIAINFO_NONE: 904 case TULIP_MEDIAINFO_GPR: { 905 break; 906 } 907 } 908 /* 909 * Try to send a packet. 910 */ 911 tulip_txprobe(sc); 912} 913 914static void 915tulip_media_select( 916 tulip_softc_t * const sc) 917{ 918 if (sc->tulip_features & TULIP_HAVE_GPR) { 919 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 920 DELAY(10); 921 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 922 } 923 /* 924 * If this board has no media, just return 925 */ 926 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 927 return; 928 929 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 930 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 931 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 932 } else { 933 tulip_media_set(sc, sc->tulip_media); 934 } 935} 936 937static void 938tulip_21040_mediainfo_init( 939 tulip_softc_t * const sc, 940 tulip_media_t media) 941{ 942 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 943 |TULIP_CMD_BACKOFFCTR; 944 sc->tulip_if.if_baudrate = 10000000; 945 946 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 947 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 948 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 949 } 950 951 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 952 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 953 } 954 955 if (media == TULIP_MEDIA_UNKNOWN) { 956 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 957 } 958} 959 960static void 961tulip_21040_media_probe( 962 tulip_softc_t * const sc) 963{ 964 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 965 return; 966} 967 968static void 969tulip_21040_10baset_only_media_probe( 970 tulip_softc_t * const sc) 971{ 972 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 973 tulip_media_set(sc, TULIP_MEDIA_10BASET); 974 sc->tulip_media = TULIP_MEDIA_10BASET; 975} 976 977static void 978tulip_21040_10baset_only_media_select( 979 tulip_softc_t * const sc) 980{ 981 sc->tulip_flags |= TULIP_LINKUP; 982 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 983 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 984 sc->tulip_flags &= ~TULIP_SQETEST; 985 } else { 986 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 987 sc->tulip_flags |= TULIP_SQETEST; 988 } 989 tulip_media_set(sc, sc->tulip_media); 990} 991 992static void 993tulip_21040_auibnc_only_media_probe( 994 tulip_softc_t * const sc) 995{ 996 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 997 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 998 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 999 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1000} 1001 1002static void 1003tulip_21040_auibnc_only_media_select( 1004 tulip_softc_t * const sc) 1005{ 1006 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1007 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1008} 1009 1010static const tulip_boardsw_t tulip_21040_boardsw = { 1011 TULIP_21040_GENERIC, 1012 tulip_21040_media_probe, 1013 tulip_media_select, 1014 tulip_media_poll, 1015}; 1016 1017static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1018 TULIP_21040_GENERIC, 1019 tulip_21040_10baset_only_media_probe, 1020 tulip_21040_10baset_only_media_select, 1021 NULL, 1022}; 1023 1024static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1025 TULIP_21040_GENERIC, 1026 tulip_21040_auibnc_only_media_probe, 1027 tulip_21040_auibnc_only_media_select, 1028 NULL, 1029}; 1030 1031static void 1032tulip_21041_mediainfo_init( 1033 tulip_softc_t * const sc) 1034{ 1035 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1036 1037#ifdef notyet 1038 if (sc->tulip_revinfo >= 0x20) { 1039 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1040 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1041 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1042 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1043 return; 1044 } 1045#endif 1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1047 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1048 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1049 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1050} 1051 1052static void 1053tulip_21041_media_probe( 1054 tulip_softc_t * const sc) 1055{ 1056 sc->tulip_if.if_baudrate = 10000000; 1057 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1058 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1059 sc->tulip_intrmask |= TULIP_STS_LINKPASS; 1060 tulip_21041_mediainfo_init(sc); 1061} 1062 1063static void 1064tulip_21041_media_poll( 1065 tulip_softc_t * const sc, 1066 const tulip_mediapoll_event_t event) 1067{ 1068 u_int32_t sia_status; 1069 1070#if defined(TULIP_DEBUG) 1071 sc->tulip_dbg.dbg_events[event]++; 1072#endif 1073 1074 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1075 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1076 || !TULIP_DO_AUTOSENSE(sc)) 1077 return; 1078 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1079 tulip_reset(sc); /* start probe */ 1080 return; 1081 } 1082 1083 /* 1084 * If we've been been asked to start a poll or link change interrupt 1085 * restart the probe (and reset the tulip to a known state). 1086 */ 1087 if (event == TULIP_MEDIAPOLL_START) { 1088 sc->tulip_if.if_flags |= IFF_OACTIVE; 1089 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1090#ifdef notyet 1091 if (sc->tulip_revinfo >= 0x20) { 1092 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1093 sc->tulip_flags |= TULIP_DIDNWAY; 1094 } 1095#endif 1096 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1097 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1098 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1099 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1100 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1101 tulip_timeout(sc); 1102 return; 1103 } 1104 1105 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1106 return; 1107 1108 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1109#if defined(TULIP_DEBUG) 1110 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1111#endif 1112 tulip_linkup(sc, sc->tulip_probe_media); 1113 return; 1114 } 1115 1116 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1117 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1118 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1119 if (sc->tulip_revinfo >= 0x20) { 1120 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1121 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1122 } 1123 /* 1124 * If the link has passed LinkPass, 10baseT is the 1125 * proper media to use. 1126 */ 1127 tulip_linkup(sc, sc->tulip_probe_media); 1128 return; 1129 } 1130 1131 /* 1132 * wait for up to 2.4 seconds for the link to reach pass state. 1133 * Only then start scanning the other media for activity. 1134 * choose media with receive activity over those without. 1135 */ 1136 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1137 if (event != TULIP_MEDIAPOLL_TIMER) 1138 return; 1139 if (sc->tulip_probe_timeout > 0 1140 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1141 tulip_timeout(sc); 1142 return; 1143 } 1144 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1145 sc->tulip_flags |= TULIP_WANTRXACT; 1146 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1147 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1148 } else { 1149 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1150 } 1151 tulip_media_set(sc, sc->tulip_probe_media); 1152 tulip_timeout(sc); 1153 return; 1154 } 1155 1156 /* 1157 * If we failed, clear the txprobe active flag. 1158 */ 1159 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1160 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1161 1162 1163 if (event == TULIP_MEDIAPOLL_TIMER) { 1164 /* 1165 * If we've received something, then that's our link! 1166 */ 1167 if (sc->tulip_flags & TULIP_RXACT) { 1168 tulip_linkup(sc, sc->tulip_probe_media); 1169 return; 1170 } 1171 /* 1172 * if no txprobe active 1173 */ 1174 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1175 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1176 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1177 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1178 tulip_txprobe(sc); 1179 tulip_timeout(sc); 1180 return; 1181 } 1182 /* 1183 * Take 2 passes through before deciding to not 1184 * wait for receive activity. Then take another 1185 * two passes before spitting out a warning. 1186 */ 1187 if (sc->tulip_probe_timeout <= 0) { 1188 if (sc->tulip_flags & TULIP_WANTRXACT) { 1189 sc->tulip_flags &= ~TULIP_WANTRXACT; 1190 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1191 } else { 1192 printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n", 1193 TULIP_PRINTF_ARGS); 1194 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1195 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1196 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1197 return; 1198 } 1199 } 1200 } 1201 } 1202 1203 /* 1204 * Since this media failed to probe, try the other one. 1205 */ 1206 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1207 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1208 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1209 } else { 1210 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1211 } 1212 tulip_media_set(sc, sc->tulip_probe_media); 1213 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1214 tulip_timeout(sc); 1215} 1216 1217static const tulip_boardsw_t tulip_21041_boardsw = { 1218 TULIP_21041_GENERIC, 1219 tulip_21041_media_probe, 1220 tulip_media_select, 1221 tulip_21041_media_poll 1222}; 1223 1224static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1225 { 0x20005c00, 0, /* 08-00-17 */ 1226 { 1227 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1228 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1229 }, 1230#if defined(TULIP_DEBUG) 1231 "NS DP83840", 1232#endif 1233 }, 1234 { 0x0281F400, 0, /* 00-A0-7D */ 1235 { 1236 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1237 { }, /* 100TX */ 1238 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1239 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1240 }, 1241#if defined(TULIP_DEBUG) 1242 "Seeq 80C240" 1243#endif 1244 }, 1245#if 0 1246 { 0x0015F420, 0, /* 00-A0-7D */ 1247 { 1248 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1249 { }, /* 100TX */ 1250 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1251 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1252 }, 1253#if defined(TULIP_DEBUG) 1254 "Broadcom BCM5000" 1255#endif 1256 }, 1257#endif 1258 { 0x0281F400, 0, /* 00-A0-BE */ 1259 { 1260 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1261 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1262 { }, /* 100T4 */ 1263 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1264 }, 1265#if defined(TULIP_DEBUG) 1266 "ICS 1890" 1267#endif 1268 }, 1269 { 0 } 1270}; 1271 1272static tulip_media_t 1273tulip_mii_phy_readspecific( 1274 tulip_softc_t * const sc) 1275{ 1276 const tulip_phy_attr_t *attr; 1277 u_int16_t data; 1278 u_int32_t id; 1279 unsigned idx = 0; 1280 static const tulip_media_t table[] = { 1281 TULIP_MEDIA_UNKNOWN, 1282 TULIP_MEDIA_10BASET, 1283 TULIP_MEDIA_100BASETX, 1284 TULIP_MEDIA_100BASET4, 1285 TULIP_MEDIA_UNKNOWN, 1286 TULIP_MEDIA_10BASET_FD, 1287 TULIP_MEDIA_100BASETX_FD, 1288 TULIP_MEDIA_UNKNOWN 1289 }; 1290 1291 /* 1292 * Don't read phy specific registers if link is not up. 1293 */ 1294 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1295 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1296 return TULIP_MEDIA_UNKNOWN; 1297 1298 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1299 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1300 for (attr = tulip_mii_phy_attrlist;; attr++) { 1301 if (attr->attr_id == 0) 1302 return TULIP_MEDIA_UNKNOWN; 1303 if ((id & ~0x0F) == attr->attr_id) 1304 break; 1305 } 1306 1307 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1308 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1309 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1310 if ((data & pm->pm_mask) == pm->pm_value) 1311 idx = 2; 1312 } 1313 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1314 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1315 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1316 if ((data & pm->pm_mask) == pm->pm_value) 1317 idx = 3; 1318 } 1319 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1320 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1321 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1322 if ((data & pm->pm_mask) == pm->pm_value) 1323 idx = 1; 1324 } 1325 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1326 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1327 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1328 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1329 } 1330 return table[idx]; 1331} 1332 1333static unsigned 1334tulip_mii_get_phyaddr( 1335 tulip_softc_t * const sc, 1336 unsigned offset) 1337{ 1338 unsigned phyaddr; 1339 1340 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1341 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1342 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1343 continue; 1344 if (offset == 0) 1345 return phyaddr; 1346 offset--; 1347 } 1348 if (offset == 0) { 1349 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1350 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1351 return TULIP_MII_NOPHY; 1352 return 0; 1353 } 1354 return TULIP_MII_NOPHY; 1355} 1356 1357static int 1358tulip_mii_map_abilities( 1359 tulip_softc_t * const sc, 1360 unsigned abilities) 1361{ 1362 sc->tulip_abilities = abilities; 1363 if (abilities & PHYSTS_100BASETX_FD) { 1364 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1365 } else if (abilities & PHYSTS_100BASET4) { 1366 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1367 } else if (abilities & PHYSTS_100BASETX) { 1368 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1369 } else if (abilities & PHYSTS_10BASET_FD) { 1370 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1371 } else if (abilities & PHYSTS_10BASET) { 1372 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1373 } else { 1374 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1375 return 0; 1376 } 1377 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1378 return 1; 1379} 1380 1381static void 1382tulip_mii_autonegotiate( 1383 tulip_softc_t * const sc, 1384 const unsigned phyaddr) 1385{ 1386 switch (sc->tulip_probe_state) { 1387 case TULIP_PROBE_MEDIATEST: 1388 case TULIP_PROBE_INACTIVE: { 1389 sc->tulip_flags |= TULIP_DIDNWAY; 1390 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1391 sc->tulip_probe_timeout = 3000; 1392 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1393 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1394 /* FALL THROUGH */ 1395 } 1396 case TULIP_PROBE_PHYRESET: { 1397 u_int32_t status; 1398 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1399 if (data & PHYCTL_RESET) { 1400 if (sc->tulip_probe_timeout > 0) { 1401 tulip_timeout(sc); 1402 return; 1403 } 1404 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1405 TULIP_PRINTF_ARGS, phyaddr); 1406 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1407 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1408 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1409 return; 1410 } 1411 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1412 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1413#if defined(TULIP_DEBUG) 1414 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1415 TULIP_PRINTF_ARGS, phyaddr); 1416#endif 1417 sc->tulip_flags &= ~TULIP_DIDNWAY; 1418 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1419 return; 1420 } 1421 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1422 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1423 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1424 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1425#if defined(TULIP_DEBUG) 1426 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1427 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1428 TULIP_PRINTF_ARGS, phyaddr, data); 1429 else 1430 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1431 TULIP_PRINTF_ARGS, phyaddr, data); 1432 sc->tulip_dbg.dbg_nway_starts++; 1433#endif 1434 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1435 sc->tulip_probe_timeout = 3000; 1436 /* FALL THROUGH */ 1437 } 1438 case TULIP_PROBE_PHYAUTONEG: { 1439 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1440 u_int32_t data; 1441 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1442 if (sc->tulip_probe_timeout > 0) { 1443 tulip_timeout(sc); 1444 return; 1445 } 1446#if defined(TULIP_DEBUG) 1447 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1448 TULIP_PRINTF_ARGS, phyaddr, status, 1449 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1450#endif 1451 sc->tulip_flags &= ~TULIP_DIDNWAY; 1452 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1453 return; 1454 } 1455 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1456#if defined(TULIP_DEBUG) 1457 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1458 TULIP_PRINTF_ARGS, phyaddr, data); 1459#endif 1460 data = (data << 6) & status; 1461 if (!tulip_mii_map_abilities(sc, data)) 1462 sc->tulip_flags &= ~TULIP_DIDNWAY; 1463 return; 1464 } 1465 default: { 1466#if defined(DIAGNOSTIC) 1467 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1468#endif 1469 break; 1470 } 1471 } 1472#if defined(TULIP_DEBUG) 1473 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1474 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1475 sc->tulip_dbg.dbg_nway_failures++; 1476#endif 1477} 1478 1479static void 1480tulip_2114x_media_preset( 1481 tulip_softc_t * const sc) 1482{ 1483 const tulip_media_info_t *mi = NULL; 1484 tulip_media_t media = sc->tulip_media; 1485 1486 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1487 media = sc->tulip_media; 1488 else 1489 media = sc->tulip_probe_media; 1490 1491 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1492 sc->tulip_flags &= ~TULIP_SQETEST; 1493 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1494#if defined(TULIP_DEBUG) 1495 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1496#endif 1497 mi = sc->tulip_mediums[media]; 1498 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1499 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1500 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1501 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1502 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1503 sc->tulip_cmdmode |= mi->mi_cmdmode; 1504 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1505 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1506 } 1507#if defined(TULIP_DEBUG) 1508 } else { 1509 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1510 TULIP_PRINTF_ARGS, media); 1511 } 1512#endif 1513 } 1514 switch (media) { 1515 case TULIP_MEDIA_BNC: 1516 case TULIP_MEDIA_AUI: 1517 case TULIP_MEDIA_10BASET: { 1518 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1519 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1520 sc->tulip_if.if_baudrate = 10000000; 1521 sc->tulip_flags |= TULIP_SQETEST; 1522 break; 1523 } 1524 case TULIP_MEDIA_10BASET_FD: { 1525 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1526 sc->tulip_if.if_baudrate = 10000000; 1527 break; 1528 } 1529 case TULIP_MEDIA_100BASEFX: 1530 case TULIP_MEDIA_100BASET4: 1531 case TULIP_MEDIA_100BASETX: { 1532 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1533 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1534 sc->tulip_if.if_baudrate = 100000000; 1535 break; 1536 } 1537 case TULIP_MEDIA_100BASEFX_FD: 1538 case TULIP_MEDIA_100BASETX_FD: { 1539 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1540 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1541 sc->tulip_if.if_baudrate = 100000000; 1542 break; 1543 } 1544 default: { 1545 break; 1546 } 1547 } 1548 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1549} 1550 1551/* 1552 ******************************************************************** 1553 * Start of 21140/21140A support which does not use the MII interface 1554 */ 1555 1556static void 1557tulip_null_media_poll( 1558 tulip_softc_t * const sc, 1559 tulip_mediapoll_event_t event) 1560{ 1561#if defined(TULIP_DEBUG) 1562 sc->tulip_dbg.dbg_events[event]++; 1563#endif 1564#if defined(DIAGNOSTIC) 1565 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1566 TULIP_PRINTF_ARGS, __LINE__); 1567#endif 1568} 1569 1570__inline__ static void 1571tulip_21140_mediainit( 1572 tulip_softc_t * const sc, 1573 tulip_media_info_t * const mip, 1574 tulip_media_t const media, 1575 unsigned gpdata, 1576 unsigned cmdmode) 1577{ 1578 sc->tulip_mediums[media] = mip; 1579 mip->mi_type = TULIP_MEDIAINFO_GPR; 1580 mip->mi_cmdmode = cmdmode; 1581 mip->mi_gpdata = gpdata; 1582} 1583 1584static void 1585tulip_21140_evalboard_media_probe( 1586 tulip_softc_t * const sc) 1587{ 1588 tulip_media_info_t *mip = sc->tulip_mediainfo; 1589 1590 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1591 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1592 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1593 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1594 TULIP_CSR_WRITE(sc, csr_command, 1595 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1596 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1597 TULIP_CSR_WRITE(sc, csr_command, 1598 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1599 DELAY(1000000); 1600 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1601 sc->tulip_media = TULIP_MEDIA_10BASET; 1602 } else { 1603 sc->tulip_media = TULIP_MEDIA_100BASETX; 1604 } 1605 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1606 TULIP_GP_EB_INIT, 1607 TULIP_CMD_TXTHRSHLDCTL); 1608 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1609 TULIP_GP_EB_INIT, 1610 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1612 TULIP_GP_EB_INIT, 1613 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1614 |TULIP_CMD_SCRAMBLER); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1616 TULIP_GP_EB_INIT, 1617 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1618 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1619} 1620 1621static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1622 TULIP_21140_DEC_EB, 1623 tulip_21140_evalboard_media_probe, 1624 tulip_media_select, 1625 tulip_null_media_poll, 1626 tulip_2114x_media_preset, 1627}; 1628 1629static void 1630tulip_21140_accton_media_probe( 1631 tulip_softc_t * const sc) 1632{ 1633 tulip_media_info_t *mip = sc->tulip_mediainfo; 1634 unsigned gpdata; 1635 1636 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1637 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1638 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1639 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1640 TULIP_CSR_WRITE(sc, csr_command, 1641 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1642 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1643 TULIP_CSR_WRITE(sc, csr_command, 1644 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1645 DELAY(1000000); 1646 gpdata = TULIP_CSR_READ(sc, csr_gp); 1647 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1648 sc->tulip_media = TULIP_MEDIA_10BASET; 1649 } else { 1650 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1651 sc->tulip_media = TULIP_MEDIA_BNC; 1652 } else { 1653 sc->tulip_media = TULIP_MEDIA_100BASETX; 1654 } 1655 } 1656 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1657 TULIP_GP_EN1207_BNC_INIT, 1658 TULIP_CMD_TXTHRSHLDCTL); 1659 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1660 TULIP_GP_EN1207_UTP_INIT, 1661 TULIP_CMD_TXTHRSHLDCTL); 1662 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1663 TULIP_GP_EN1207_UTP_INIT, 1664 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1665 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1666 TULIP_GP_EN1207_100_INIT, 1667 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1668 |TULIP_CMD_SCRAMBLER); 1669 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1670 TULIP_GP_EN1207_100_INIT, 1671 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1672 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1673} 1674 1675static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1676 TULIP_21140_EN1207, 1677 tulip_21140_accton_media_probe, 1678 tulip_media_select, 1679 tulip_null_media_poll, 1680 tulip_2114x_media_preset, 1681}; 1682 1683static void 1684tulip_21140_smc9332_media_probe( 1685 tulip_softc_t * const sc) 1686{ 1687 tulip_media_info_t *mip = sc->tulip_mediainfo; 1688 int idx, cnt = 0; 1689 1690 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1691 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1692 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1693 33MHz that comes to two microseconds but wait a 1694 bit longer anyways) */ 1695 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1696 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1697 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1698 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1699 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1700 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1701 DELAY(200000); 1702 for (idx = 1000; idx > 0; idx--) { 1703 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1704 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1705 if (++cnt > 100) 1706 break; 1707 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1708 break; 1709 } else { 1710 cnt = 0; 1711 } 1712 DELAY(1000); 1713 } 1714 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1715 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1716 TULIP_GP_SMC_9332_INIT, 1717 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1718 |TULIP_CMD_SCRAMBLER); 1719 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1720 TULIP_GP_SMC_9332_INIT, 1721 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1722 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1723 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1724 TULIP_GP_SMC_9332_INIT, 1725 TULIP_CMD_TXTHRSHLDCTL); 1726 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1727 TULIP_GP_SMC_9332_INIT, 1728 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1729} 1730 1731static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1732 TULIP_21140_SMC_9332, 1733 tulip_21140_smc9332_media_probe, 1734 tulip_media_select, 1735 tulip_null_media_poll, 1736 tulip_2114x_media_preset, 1737}; 1738 1739static void 1740tulip_21140_cogent_em100_media_probe( 1741 tulip_softc_t * const sc) 1742{ 1743 tulip_media_info_t *mip = sc->tulip_mediainfo; 1744 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1745 1746 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1747 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1748 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1749 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1750 1751 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1752 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1753 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1754 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1755 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1756 1757 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1758 TULIP_GP_EM100_INIT, 1759 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1760 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1761 TULIP_GP_EM100_INIT, 1762 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1763 |TULIP_CMD_FULLDUPLEX); 1764 } else { 1765 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1766 sc->tulip_media = TULIP_MEDIA_100BASETX; 1767 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1768 TULIP_GP_EM100_INIT, 1769 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1770 |TULIP_CMD_SCRAMBLER); 1771 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1772 TULIP_GP_EM100_INIT, 1773 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1774 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1775 } 1776} 1777 1778static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1779 TULIP_21140_COGENT_EM100, 1780 tulip_21140_cogent_em100_media_probe, 1781 tulip_media_select, 1782 tulip_null_media_poll, 1783 tulip_2114x_media_preset 1784}; 1785 1786static void 1787tulip_21140_znyx_zx34x_media_probe( 1788 tulip_softc_t * const sc) 1789{ 1790 tulip_media_info_t *mip = sc->tulip_mediainfo; 1791 int cnt10 = 0, cnt100 = 0, idx; 1792 1793 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1794 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1795 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1796 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1797 TULIP_CSR_WRITE(sc, csr_command, 1798 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1799 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1800 TULIP_CSR_WRITE(sc, csr_command, 1801 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1802 1803 DELAY(200000); 1804 for (idx = 1000; idx > 0; idx--) { 1805 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1806 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)) { 1807 if (++cnt100 > 100) 1808 break; 1809 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1810 if (++cnt10 > 100) 1811 break; 1812 } else { 1813 cnt10 = 0; 1814 cnt100 = 0; 1815 } 1816 DELAY(1000); 1817 } 1818 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1819 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1820 TULIP_GP_ZX34X_INIT, 1821 TULIP_CMD_TXTHRSHLDCTL); 1822 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1823 TULIP_GP_ZX34X_INIT, 1824 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1825 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1826 TULIP_GP_ZX34X_INIT, 1827 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1828 |TULIP_CMD_SCRAMBLER); 1829 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1830 TULIP_GP_ZX34X_INIT, 1831 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1832 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1833} 1834 1835static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1836 TULIP_21140_ZNYX_ZX34X, 1837 tulip_21140_znyx_zx34x_media_probe, 1838 tulip_media_select, 1839 tulip_null_media_poll, 1840 tulip_2114x_media_preset, 1841}; 1842 1843static void 1844tulip_2114x_media_probe( 1845 tulip_softc_t * const sc) 1846{ 1847 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1848 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1849} 1850 1851static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1852 TULIP_21140_ISV, 1853 tulip_2114x_media_probe, 1854 tulip_media_select, 1855 tulip_media_poll, 1856 tulip_2114x_media_preset, 1857}; 1858 1859/* 1860 * ******** END of chip-specific handlers. *********** 1861 */ 1862 1863/* 1864 * Code the read the SROM and MII bit streams (I2C) 1865 */ 1866static void 1867tulip_delay_300ns( 1868 tulip_softc_t * const sc) 1869{ 1870 int idx; 1871 for (idx = (300 / 33) + 1; idx > 0; idx--) 1872 (void) TULIP_CSR_READ(sc, csr_busmode); 1873} 1874 1875#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1876 1877static void 1878tulip_srom_idle( 1879 tulip_softc_t * const sc) 1880{ 1881 unsigned bit, csr; 1882 1883 csr = SROMSEL ; EMIT; 1884 csr = SROMSEL | SROMRD; EMIT; 1885 csr ^= SROMCS; EMIT; 1886 csr ^= SROMCLKON; EMIT; 1887 1888 /* 1889 * Write 25 cycles of 0 which will force the SROM to be idle. 1890 */ 1891 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1892 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1893 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1894 } 1895 csr ^= SROMCLKOFF; EMIT; 1896 csr ^= SROMCS; EMIT; 1897 csr = 0; EMIT; 1898} 1899 1900 1901static void 1902tulip_srom_read( 1903 tulip_softc_t * const sc) 1904{ 1905 unsigned idx; 1906 const unsigned bitwidth = SROM_BITWIDTH; 1907 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1908 const unsigned msb = 1 << (bitwidth + 3 - 1); 1909 unsigned lastidx = (1 << bitwidth) - 1; 1910 1911 tulip_srom_idle(sc); 1912 1913 for (idx = 0; idx <= lastidx; idx++) { 1914 unsigned lastbit, data, bits, bit, csr; 1915 csr = SROMSEL ; EMIT; 1916 csr = SROMSEL | SROMRD; EMIT; 1917 csr ^= SROMCSON; EMIT; 1918 csr ^= SROMCLKON; EMIT; 1919 1920 lastbit = 0; 1921 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1922 const unsigned thisbit = bits & msb; 1923 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1924 if (thisbit != lastbit) { 1925 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1926 } else { 1927 EMIT; 1928 } 1929 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1930 lastbit = thisbit; 1931 } 1932 csr ^= SROMCLKOFF; EMIT; 1933 1934 for (data = 0, bits = 0; bits < 16; bits++) { 1935 data <<= 1; 1936 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1937 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1938 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1939 } 1940 sc->tulip_rombuf[idx*2] = data & 0xFF; 1941 sc->tulip_rombuf[idx*2+1] = data >> 8; 1942 csr = SROMSEL | SROMRD; EMIT; 1943 csr = 0; EMIT; 1944 } 1945 tulip_srom_idle(sc); 1946} 1947 1948#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1949 1950static void 1951tulip_mii_writebits( 1952 tulip_softc_t * const sc, 1953 unsigned data, 1954 unsigned bits) 1955{ 1956 unsigned msb = 1 << (bits - 1); 1957 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1958 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1959 1960 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1961 1962 for (; bits > 0; bits--, data <<= 1) { 1963 const unsigned thisbit = data & msb; 1964 if (thisbit != lastbit) { 1965 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1966 } 1967 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1968 lastbit = thisbit; 1969 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1970 } 1971} 1972 1973static void 1974tulip_mii_turnaround( 1975 tulip_softc_t * const sc, 1976 unsigned cmd) 1977{ 1978 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1979 1980 if (cmd == MII_WRCMD) { 1981 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1982 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1983 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1984 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1985 } else { 1986 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1987 } 1988 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1989 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1990} 1991 1992static unsigned 1993tulip_mii_readbits( 1994 tulip_softc_t * const sc) 1995{ 1996 unsigned data; 1997 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1998 int idx; 1999 2000 for (idx = 0, data = 0; idx < 16; idx++) { 2001 data <<= 1; /* this is NOOP on the first pass through */ 2002 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2003 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2004 data |= 1; 2005 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2006 } 2007 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2008 2009 return data; 2010} 2011 2012static unsigned 2013tulip_mii_readreg( 2014 tulip_softc_t * const sc, 2015 unsigned devaddr, 2016 unsigned regno) 2017{ 2018 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2019 unsigned data; 2020 2021 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2022 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2023 tulip_mii_writebits(sc, MII_RDCMD, 8); 2024 tulip_mii_writebits(sc, devaddr, 5); 2025 tulip_mii_writebits(sc, regno, 5); 2026 tulip_mii_turnaround(sc, MII_RDCMD); 2027 2028 data = tulip_mii_readbits(sc); 2029#if defined(TULIP_DEBUG) 2030 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2031 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2032#endif 2033 return data; 2034} 2035 2036static void 2037tulip_mii_writereg( 2038 tulip_softc_t * const sc, 2039 unsigned devaddr, 2040 unsigned regno, 2041 unsigned data) 2042{ 2043 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2044 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2045 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2046 tulip_mii_writebits(sc, MII_WRCMD, 8); 2047 tulip_mii_writebits(sc, devaddr, 5); 2048 tulip_mii_writebits(sc, regno, 5); 2049 tulip_mii_turnaround(sc, MII_WRCMD); 2050 tulip_mii_writebits(sc, data, 16); 2051#if defined(TULIP_DEBUG) 2052 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2053 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2054#endif 2055} 2056 2057#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2058#define tulip_srom_crcok(databuf) ( \ 2059 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2060 ((databuf)[126] | ((databuf)[127] << 8))) 2061 2062static unsigned 2063tulip_crc32( 2064 const unsigned char *databuf, 2065 size_t datalen) 2066{ 2067 u_int idx, bit, data, crc = 0xFFFFFFFFUL; 2068 2069 for (idx = 0; idx < datalen; idx++) 2070 for (data = *databuf++, bit = 0; bit < 8; bit++, data >>= 1) 2071 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? TULIP_CRC32_POLY : 0); 2072 return crc; 2073} 2074 2075static void 2076tulip_identify_dec_nic( 2077 tulip_softc_t * const sc) 2078{ 2079 strcpy(sc->tulip_boardid, "DEC "); 2080#define D0 4 2081 if (sc->tulip_chipid <= TULIP_DE425) 2082 return; 2083 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2084 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2085 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2086 sc->tulip_boardid[D0+8] = ' '; 2087 } 2088#undef D0 2089} 2090 2091static void 2092tulip_identify_znyx_nic( 2093 tulip_softc_t * const sc) 2094{ 2095 unsigned id = 0; 2096 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2097 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2098 unsigned znyx_ptr; 2099 sc->tulip_boardid[8] = '4'; 2100 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2101 if (znyx_ptr < 26 || znyx_ptr > 116) { 2102 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2103 return; 2104 } 2105 /* ZX344 = 0010 .. 0013FF 2106 */ 2107 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2108 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2109 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2110 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2111 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2112 sc->tulip_boardid[9] = '2'; 2113 if (id == TULIP_ZNYX_ID_ZX342B) { 2114 sc->tulip_boardid[10] = 'B'; 2115 sc->tulip_boardid[11] = ' '; 2116 } 2117 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2118 } else if (id == TULIP_ZNYX_ID_ZX344) { 2119 sc->tulip_boardid[10] = '4'; 2120 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2121 } else if (id == TULIP_ZNYX_ID_ZX345) { 2122 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2123 } else if (id == TULIP_ZNYX_ID_ZX346) { 2124 sc->tulip_boardid[9] = '6'; 2125 } else if (id == TULIP_ZNYX_ID_ZX351) { 2126 sc->tulip_boardid[8] = '5'; 2127 sc->tulip_boardid[9] = '1'; 2128 } 2129 } 2130 if (id == 0) { 2131 /* 2132 * Assume it's a ZX342... 2133 */ 2134 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2135 } 2136 return; 2137 } 2138 sc->tulip_boardid[8] = '1'; 2139 if (sc->tulip_chipid == TULIP_21041) { 2140 sc->tulip_boardid[10] = '1'; 2141 return; 2142 } 2143 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2144 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2145 if (id == TULIP_ZNYX_ID_ZX312T) { 2146 sc->tulip_boardid[9] = '2'; 2147 sc->tulip_boardid[10] = 'T'; 2148 sc->tulip_boardid[11] = ' '; 2149 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2150 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2151 sc->tulip_boardid[9] = '4'; 2152 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2153 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2154 } else if (id == TULIP_ZNYX_ID_ZX314) { 2155 sc->tulip_boardid[9] = '4'; 2156 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2157 sc->tulip_features |= TULIP_HAVE_BASEROM; 2158 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2159 sc->tulip_boardid[9] = '5'; 2160 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2161 } else if (id == TULIP_ZNYX_ID_ZX315) { 2162 sc->tulip_boardid[9] = '5'; 2163 sc->tulip_features |= TULIP_HAVE_BASEROM; 2164 } else { 2165 id = 0; 2166 } 2167 } 2168 if (id == 0) { 2169 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2170 sc->tulip_boardid[9] = '4'; 2171 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2172 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2173 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2174 sc->tulip_boardid[9] = '5'; 2175 sc->tulip_boardsw = &tulip_21040_boardsw; 2176 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2177 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2178 sc->tulip_boardid[9] = '2'; 2179 sc->tulip_boardsw = &tulip_21040_boardsw; 2180 } 2181 } 2182} 2183 2184static void 2185tulip_identify_smc_nic( 2186 tulip_softc_t * const sc) 2187{ 2188 u_int32_t id1, id2, ei; 2189 int auibnc = 0, utp = 0; 2190 char *cp; 2191 2192 strcpy(sc->tulip_boardid, "SMC "); 2193 if (sc->tulip_chipid == TULIP_21041) 2194 return; 2195 if (sc->tulip_chipid != TULIP_21040) { 2196 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2197 strcpy(&sc->tulip_boardid[4], "9332DST "); 2198 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2199 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2200 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2201 } else { 2202 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2203 } 2204 return; 2205 } 2206 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2207 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2208 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2209 2210 strcpy(&sc->tulip_boardid[4], "8432"); 2211 cp = &sc->tulip_boardid[8]; 2212 if ((id1 & 1) == 0) 2213 *cp++ = 'B', auibnc = 1; 2214 if ((id1 & 0xFF) > 0x32) 2215 *cp++ = 'T', utp = 1; 2216 if ((id1 & 0x4000) == 0) 2217 *cp++ = 'A', auibnc = 1; 2218 if (id2 == 0x15) { 2219 sc->tulip_boardid[7] = '4'; 2220 *cp++ = '-'; 2221 *cp++ = 'C'; 2222 *cp++ = 'H'; 2223 *cp++ = (ei ? '2' : '1'); 2224 } 2225 *cp++ = ' '; 2226 *cp = '\0'; 2227 if (utp && !auibnc) 2228 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2229 else if (!utp && auibnc) 2230 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2231} 2232 2233static void 2234tulip_identify_cogent_nic( 2235 tulip_softc_t * const sc) 2236{ 2237 strcpy(sc->tulip_boardid, "Cogent "); 2238 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2239 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2240 strcat(sc->tulip_boardid, "EM100FX "); 2241 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2242 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2243 strcat(sc->tulip_boardid, "EM100FX "); 2244 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2245 } 2246 /* 2247 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2248 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2249 */ 2250 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2251 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2252 /* 2253 * Cogent (Adaptec) is still mapping all INTs to INTA of 2254 * first 21140. Dumb! Dumb! 2255 */ 2256 strcat(sc->tulip_boardid, "EM440TX "); 2257 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2258 } 2259 } else if (sc->tulip_chipid == TULIP_21040) { 2260 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2261 } 2262} 2263 2264static void 2265tulip_identify_accton_nic( 2266 tulip_softc_t * const sc) 2267{ 2268 strcpy(sc->tulip_boardid, "ACCTON "); 2269 switch (sc->tulip_chipid) { 2270 case TULIP_21140A: 2271 strcat(sc->tulip_boardid, "EN1207 "); 2272 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2273 break; 2274 case TULIP_21140: 2275 strcat(sc->tulip_boardid, "EN1207TX "); 2276 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2277 break; 2278 case TULIP_21040: 2279 strcat(sc->tulip_boardid, "EN1203 "); 2280 sc->tulip_boardsw = &tulip_21040_boardsw; 2281 break; 2282 case TULIP_21041: 2283 strcat(sc->tulip_boardid, "EN1203 "); 2284 sc->tulip_boardsw = &tulip_21041_boardsw; 2285 break; 2286 default: 2287 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2288 break; 2289 } 2290} 2291 2292static void 2293tulip_identify_asante_nic( 2294 tulip_softc_t * const sc) 2295{ 2296 strcpy(sc->tulip_boardid, "Asante "); 2297 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2298 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2299 tulip_media_info_t *mi = sc->tulip_mediainfo; 2300 int idx; 2301 /* 2302 * The Asante Fast Ethernet doesn't always ship with a valid 2303 * new format SROM. So if isn't in the new format, we cheat 2304 * set it up as if we had. 2305 */ 2306 2307 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2308 sc->tulip_gpdata = 0; 2309 2310 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2311 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2312 DELAY(100); 2313 TULIP_CSR_WRITE(sc, csr_gp, 0); 2314 2315 mi->mi_type = TULIP_MEDIAINFO_MII; 2316 mi->mi_gpr_length = 0; 2317 mi->mi_gpr_offset = 0; 2318 mi->mi_reset_length = 0; 2319 mi->mi_reset_offset = 0;; 2320 2321 mi->mi_phyaddr = TULIP_MII_NOPHY; 2322 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2323 DELAY(10000); 2324 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2325 } 2326 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2327 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2328 return; 2329 } 2330 2331 sc->tulip_features |= TULIP_HAVE_MII; 2332 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2333 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2334 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2335 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2336 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2337 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2338 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2339 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2340 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2341 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2342 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2343 2344 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2345 } 2346} 2347 2348static int 2349tulip_srom_decode( 2350 tulip_softc_t * const sc) 2351{ 2352 unsigned idx1, idx2, idx3; 2353 2354 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2355 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2356 tulip_srom_media_t srom_media; 2357 tulip_media_info_t *mi = sc->tulip_mediainfo; 2358 const u_int8_t *dp; 2359 u_int32_t leaf_offset, blocks, data; 2360 2361 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2362 if (shp->sh_adapter_count == 1) 2363 break; 2364 if (saip->sai_device == sc->tulip_pci_devno) 2365 break; 2366 } 2367 /* 2368 * Didn't find the right media block for this card. 2369 */ 2370 if (idx1 == shp->sh_adapter_count) 2371 return 0; 2372 2373 /* 2374 * Save the hardware address. 2375 */ 2376 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6); 2377 /* 2378 * If this is a multiple port card, add the adapter index to the last 2379 * byte of the hardware address. (if it isn't multiport, adding 0 2380 * won't hurt. 2381 */ 2382 sc->tulip_enaddr[5] += idx1; 2383 2384 leaf_offset = saip->sai_leaf_offset_lowbyte 2385 + saip->sai_leaf_offset_highbyte * 256; 2386 dp = sc->tulip_rombuf + leaf_offset; 2387 2388 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2389 2390 for (idx2 = 0;; idx2++) { 2391 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2392 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2393 break; 2394 } 2395 sc->tulip_connidx = idx2; 2396 2397 if (sc->tulip_chipid == TULIP_21041) { 2398 blocks = *dp++; 2399 for (idx2 = 0; idx2 < blocks; idx2++) { 2400 tulip_media_t media; 2401 data = *dp++; 2402 srom_media = (tulip_srom_media_t) (data & 0x3F); 2403 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2404 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2405 break; 2406 } 2407 media = tulip_srom_mediums[idx3].sm_type; 2408 if (media != TULIP_MEDIA_UNKNOWN) { 2409 if (data & TULIP_SROM_21041_EXTENDED) { 2410 mi->mi_type = TULIP_MEDIAINFO_SIA; 2411 sc->tulip_mediums[media] = mi; 2412 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2413 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2414 mi->mi_sia_general = dp[4] + dp[5] * 256; 2415 mi++; 2416 } else { 2417 switch (media) { 2418 case TULIP_MEDIA_BNC: { 2419 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2420 mi++; 2421 break; 2422 } 2423 case TULIP_MEDIA_AUI: { 2424 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2425 mi++; 2426 break; 2427 } 2428 case TULIP_MEDIA_10BASET: { 2429 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2430 mi++; 2431 break; 2432 } 2433 case TULIP_MEDIA_10BASET_FD: { 2434 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2435 mi++; 2436 break; 2437 } 2438 default: { 2439 break; 2440 } 2441 } 2442 } 2443 } 2444 if (data & TULIP_SROM_21041_EXTENDED) 2445 dp += 6; 2446 } 2447#ifdef notdef 2448 if (blocks == 0) { 2449 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2450 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2451 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2453 } 2454#endif 2455 } else { 2456 unsigned length, type; 2457 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2458 if (sc->tulip_features & TULIP_HAVE_GPR) 2459 sc->tulip_gpinit = *dp++; 2460 blocks = *dp++; 2461 for (idx2 = 0; idx2 < blocks; idx2++) { 2462 const u_int8_t *ep; 2463 if ((*dp & 0x80) == 0) { 2464 length = 4; 2465 type = 0; 2466 } else { 2467 length = (*dp++ & 0x7f) - 1; 2468 type = *dp++ & 0x3f; 2469 } 2470 ep = dp + length; 2471 switch (type & 0x3f) { 2472 case 0: { /* 21140[A] GPR block */ 2473 tulip_media_t media; 2474 srom_media = (tulip_srom_media_t) dp[0]; 2475 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2476 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2477 break; 2478 } 2479 media = tulip_srom_mediums[idx3].sm_type; 2480 if (media == TULIP_MEDIA_UNKNOWN) 2481 break; 2482 mi->mi_type = TULIP_MEDIAINFO_GPR; 2483 sc->tulip_mediums[media] = mi; 2484 mi->mi_gpdata = dp[1]; 2485 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2486 sc->tulip_gpdata = mi->mi_gpdata; 2487 gp_media = media; 2488 } 2489 data = dp[2] + dp[3] * 256; 2490 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2491 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2492 mi->mi_actmask = 0; 2493 } else { 2494#if 0 2495 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2496#endif 2497 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2498 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2499 } 2500 mi++; 2501 break; 2502 } 2503 case 1: { /* 21140[A] MII block */ 2504 const unsigned phyno = *dp++; 2505 mi->mi_type = TULIP_MEDIAINFO_MII; 2506 mi->mi_gpr_length = *dp++; 2507 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2508 dp += mi->mi_gpr_length; 2509 mi->mi_reset_length = *dp++; 2510 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2511 dp += mi->mi_reset_length; 2512 2513 /* 2514 * Before we probe for a PHY, use the GPR information 2515 * to select it. If we don't, it may be inaccessible. 2516 */ 2517 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2518 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2519 DELAY(10); 2520 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2521 } 2522 sc->tulip_phyaddr = mi->mi_phyaddr; 2523 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2524 DELAY(10); 2525 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2526 } 2527 2528 /* 2529 * At least write something! 2530 */ 2531 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2532 TULIP_CSR_WRITE(sc, csr_gp, 0); 2533 2534 mi->mi_phyaddr = TULIP_MII_NOPHY; 2535 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2536 DELAY(10000); 2537 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2538 } 2539 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2540 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2541 TULIP_PRINTF_ARGS, phyno); 2542 break; 2543 } 2544 sc->tulip_features |= TULIP_HAVE_MII; 2545 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2546 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2547 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2548 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2549 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2550 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2551 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2552 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2553 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2554 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2555 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2556 mi++; 2557 break; 2558 } 2559 case 2: { /* 2114[23] SIA block */ 2560 tulip_media_t media; 2561 srom_media = (tulip_srom_media_t) dp[0]; 2562 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2563 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2564 break; 2565 } 2566 media = tulip_srom_mediums[idx3].sm_type; 2567 if (media == TULIP_MEDIA_UNKNOWN) 2568 break; 2569 mi->mi_type = TULIP_MEDIAINFO_SIA; 2570 sc->tulip_mediums[media] = mi; 2571 if (type & 0x40) { 2572 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2573 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2574 mi->mi_sia_general = dp[4] + dp[5] * 256; 2575 dp += 6; 2576 } else { 2577 switch (media) { 2578 case TULIP_MEDIA_BNC: { 2579 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2580 break; 2581 } 2582 case TULIP_MEDIA_AUI: { 2583 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2584 break; 2585 } 2586 case TULIP_MEDIA_10BASET: { 2587 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2588 break; 2589 } 2590 case TULIP_MEDIA_10BASET_FD: { 2591 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2592 break; 2593 } 2594 default: { 2595 goto bad_media; 2596 } 2597 } 2598 } 2599 mi->mi_sia_gp_control = (dp[0] + dp[1] * 256) << 16; 2600 mi->mi_sia_gp_data = (dp[2] + dp[3] * 256) << 16; 2601 mi++; 2602 bad_media: 2603 break; 2604 } 2605 case 3: { /* 2114[23] MII PHY block */ 2606 const unsigned phyno = *dp++; 2607 const u_int8_t *dp0; 2608 mi->mi_type = TULIP_MEDIAINFO_MII; 2609 mi->mi_gpr_length = *dp++; 2610 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2611 dp += 2 * mi->mi_gpr_length; 2612 mi->mi_reset_length = *dp++; 2613 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2614 dp += 2 * mi->mi_reset_length; 2615 2616 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2617 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2618 DELAY(10); 2619 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2620 } 2621 sc->tulip_phyaddr = mi->mi_phyaddr; 2622 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2623 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2624 DELAY(10); 2625 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2626 } 2627 2628 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2629 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2630 2631 mi->mi_phyaddr = TULIP_MII_NOPHY; 2632 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2633 DELAY(10000); 2634 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2635 } 2636 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2637 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2638 TULIP_PRINTF_ARGS, phyno); 2639 break; 2640 } 2641 sc->tulip_features |= TULIP_HAVE_MII; 2642 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2643 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2644 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2645 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2646 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2647 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2648 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2649 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2650 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2651 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2652 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2653 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2654 mi++; 2655 break; 2656 } 2657 case 4: { /* 21143 SYM block */ 2658 tulip_media_t media; 2659 srom_media = (tulip_srom_media_t) dp[0]; 2660 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2661 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2662 break; 2663 } 2664 media = tulip_srom_mediums[idx3].sm_type; 2665 if (media == TULIP_MEDIA_UNKNOWN) 2666 break; 2667 mi->mi_type = TULIP_MEDIAINFO_SYM; 2668 sc->tulip_mediums[media] = mi; 2669 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2670 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2671 data = dp[5] + dp[6] * 256; 2672 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2673 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2674 mi->mi_actmask = 0; 2675 } else { 2676 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2677 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2678 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2679 } 2680 mi++; 2681 break; 2682 } 2683#if 0 2684 case 5: { /* 21143 Reset block */ 2685 mi->mi_type = TULIP_MEDIAINFO_RESET; 2686 mi->mi_reset_length = *dp++; 2687 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2688 dp += 2 * mi->mi_reset_length; 2689 mi++; 2690 break; 2691 } 2692#endif 2693 default: { 2694 } 2695 } 2696 dp = ep; 2697 } 2698 } 2699 return mi - sc->tulip_mediainfo; 2700} 2701 2702static const struct { 2703 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2704 unsigned char vendor_oui[3]; 2705} tulip_vendors[] = { 2706 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2707 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2708 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2709 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2710 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2711 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2712 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2713 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2714 { NULL } 2715}; 2716 2717/* 2718 * This deals with the vagaries of the address roms and the 2719 * brain-deadness that various vendors commit in using them. 2720 */ 2721static int 2722tulip_read_macaddr( 2723 tulip_softc_t * const sc) 2724{ 2725 unsigned cksum, rom_cksum, idx; 2726 u_int32_t csr; 2727 unsigned char tmpbuf[8]; 2728 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2729 2730 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2731 2732 if (sc->tulip_chipid == TULIP_21040) { 2733 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2734 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2735 int cnt = 0; 2736 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2737 cnt++; 2738 sc->tulip_rombuf[idx] = csr & 0xFF; 2739 } 2740 sc->tulip_boardsw = &tulip_21040_boardsw; 2741#if defined(TULIP_EISA) 2742 } else if (sc->tulip_chipid == TULIP_DE425) { 2743 int cnt; 2744 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2745 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2746 if (tmpbuf[idx] == testpat[idx]) 2747 ++idx; 2748 else 2749 idx = 0; 2750 } 2751 for (idx = 0; idx < 32; idx++) 2752 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2753 sc->tulip_boardsw = &tulip_21040_boardsw; 2754#endif /* TULIP_EISA */ 2755 } else { 2756 if (sc->tulip_chipid == TULIP_21041) { 2757 /* 2758 * Thankfully all 21041's act the same. 2759 */ 2760 sc->tulip_boardsw = &tulip_21041_boardsw; 2761 } else { 2762 /* 2763 * Assume all 21140 board are compatible with the 2764 * DEC 10/100 evaluation board. Not really valid but 2765 * it's the best we can do until every one switches to 2766 * the new SROM format. 2767 */ 2768 2769 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2770 } 2771 tulip_srom_read(sc); 2772 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2773 /* 2774 * SROM CRC is valid therefore it must be in the 2775 * new format. 2776 */ 2777 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2778 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2779 /* 2780 * No checksum is present. See if the SROM id checks out; 2781 * the first 18 bytes should be 0 followed by a 1 followed 2782 * by the number of adapters (which we don't deal with yet). 2783 */ 2784 for (idx = 0; idx < 18; idx++) { 2785 if (sc->tulip_rombuf[idx] != 0) 2786 break; 2787 } 2788 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2789 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2790 } else if (sc->tulip_chipid >= TULIP_21142) { 2791 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2792 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2793 } 2794 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2795 if (sc->tulip_chipid != TULIP_21041) 2796 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2797 2798 /* 2799 * If the SROM specifies more than one adapter, tag this as a 2800 * BASE rom. 2801 */ 2802 if (sc->tulip_rombuf[19] > 1) 2803 sc->tulip_features |= TULIP_HAVE_BASEROM; 2804 if (sc->tulip_boardsw == NULL) 2805 return -6; 2806 goto check_oui; 2807 } 2808 } 2809 2810 2811 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2812 /* 2813 * Some folks don't use the standard ethernet rom format 2814 * but instead just put the address in the first 6 bytes 2815 * of the rom and let the rest be all 0xffs. (Can we say 2816 * ZNYX???) (well sometimes they put in a checksum so we'll 2817 * start at 8). 2818 */ 2819 for (idx = 8; idx < 32; idx++) { 2820 if (sc->tulip_rombuf[idx] != 0xFF) 2821 return -4; 2822 } 2823 /* 2824 * Make sure the address is not multicast or locally assigned 2825 * that the OUI is not 00-00-00. 2826 */ 2827 if ((sc->tulip_rombuf[0] & 3) != 0) 2828 return -4; 2829 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2830 && sc->tulip_rombuf[2] == 0) 2831 return -4; 2832 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2833 sc->tulip_features |= TULIP_HAVE_OKROM; 2834 goto check_oui; 2835 } else { 2836 /* 2837 * A number of makers of multiport boards (ZNYX and Cogent) 2838 * only put on one address ROM on their 21040 boards. So 2839 * if the ROM is all zeros (or all 0xFFs), look at the 2840 * previous configured boards (as long as they are on the same 2841 * PCI bus and the bus number is non-zero) until we find the 2842 * master board with address ROM. We then use its address ROM 2843 * as the base for this board. (we add our relative board 2844 * to the last byte of its address). 2845 */ 2846 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2847 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2848 break; 2849 } 2850 if (idx == sizeof(sc->tulip_rombuf)) { 2851 int root_unit; 2852 tulip_softc_t *root_sc = NULL; 2853 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2854 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2855 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2856 break; 2857 root_sc = NULL; 2858 } 2859 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2860 && root_sc->tulip_chipid == sc->tulip_chipid 2861 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2862 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2863 sc->tulip_boardsw = root_sc->tulip_boardsw; 2864 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2865 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2866 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2867 sizeof(sc->tulip_rombuf)); 2868 if (!tulip_srom_decode(sc)) 2869 return -5; 2870 } else { 2871 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2872 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2873 } 2874 /* 2875 * Now for a truly disgusting kludge: all 4 21040s on 2876 * the ZX314 share the same INTA line so the mapping 2877 * setup by the BIOS on the PCI bridge is worthless. 2878 * Rather than reprogramming the value in the config 2879 * register, we will handle this internally. 2880 */ 2881 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2882 sc->tulip_slaves = root_sc->tulip_slaves; 2883 root_sc->tulip_slaves = sc; 2884 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2885 } 2886 return 0; 2887 } 2888 } 2889 } 2890 2891 /* 2892 * This is the standard DEC address ROM test. 2893 */ 2894 2895 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2896 return -3; 2897 2898 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2899 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2900 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2901 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2902 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2903 return -2; 2904 2905 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2906 2907 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2908 cksum *= 2; 2909 if (cksum > 65535) cksum -= 65535; 2910 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2911 if (cksum > 65535) cksum -= 65535; 2912 cksum *= 2; 2913 if (cksum > 65535) cksum -= 65535; 2914 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2915 if (cksum >= 65535) cksum -= 65535; 2916 2917 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2918 2919 if (cksum != rom_cksum) 2920 return -1; 2921 2922 check_oui: 2923 /* 2924 * Check for various boards based on OUI. Did I say braindead? 2925 */ 2926 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2927 if (bcmp((caddr_t) sc->tulip_enaddr, 2928 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2929 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2930 break; 2931 } 2932 } 2933 2934 sc->tulip_features |= TULIP_HAVE_OKROM; 2935 return 0; 2936} 2937 2938#if defined(IFM_ETHER) 2939static void 2940tulip_ifmedia_add( 2941 tulip_softc_t * const sc) 2942{ 2943 tulip_media_t media; 2944 int medias = 0; 2945 2946 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2947 if (sc->tulip_mediums[media] != NULL) { 2948 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2949 0, 0); 2950 medias++; 2951 } 2952 } 2953 if (medias == 0) { 2954 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2955 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2956 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2957 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2958 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2959 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2960 } else { 2961 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2962 sc->tulip_flags |= TULIP_PRINTMEDIA; 2963 tulip_linkup(sc, sc->tulip_media); 2964 } 2965} 2966 2967static int 2968tulip_ifmedia_change( 2969 struct ifnet * const ifp) 2970{ 2971 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2972 2973 sc->tulip_flags |= TULIP_NEEDRESET; 2974 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2975 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2976 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2977 tulip_media_t media; 2978 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2979 if (sc->tulip_mediums[media] != NULL 2980 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2981 sc->tulip_flags |= TULIP_PRINTMEDIA; 2982 sc->tulip_flags &= ~TULIP_DIDNWAY; 2983 tulip_linkup(sc, media); 2984 return 0; 2985 } 2986 } 2987 } 2988 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2989 tulip_reset(sc); 2990 tulip_init(sc); 2991 return 0; 2992} 2993 2994/* 2995 * Media status callback 2996 */ 2997static void 2998tulip_ifmedia_status( 2999 struct ifnet * const ifp, 3000 struct ifmediareq *req) 3001{ 3002 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3003 3004#if defined(__bsdi__) 3005 if (sc->tulip_mii.mii_instance != 0) { 3006 mii_pollstat(&sc->tulip_mii); 3007 req->ifm_active = sc->tulip_mii.mii_media_active; 3008 req->ifm_status = sc->tulip_mii.mii_media_status; 3009 return; 3010 } 3011#endif 3012 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3013 return; 3014 3015 req->ifm_status = IFM_AVALID; 3016 if (sc->tulip_flags & TULIP_LINKUP) 3017 req->ifm_status |= IFM_ACTIVE; 3018 3019 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3020} 3021#endif 3022 3023static void 3024tulip_addr_filter( 3025 tulip_softc_t * const sc) 3026{ 3027#if defined(__FreeBSD__) && __FreeBSD__ >= 3 3028 struct ifmultiaddr *ifma; 3029 u_char *addrp; 3030#else 3031 struct ether_multistep step; 3032 struct ether_multi *enm; 3033#endif 3034 int multicnt; 3035 3036 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3037 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3038 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3039 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3040#if defined(IFF_ALLMULTI) 3041 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 3042#endif 3043 3044#if defined(__FreeBSD__) && __FreeBSD__ >= 3 3045 multicnt = 0; 3046 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3047 ifma = ifma->ifma_link.le_next) { 3048 3049 if (ifma->ifma_addr->sa_family == AF_LINK) 3050 multicnt++; 3051 } 3052#else 3053 multicnt = sc->tulip_multicnt; 3054#endif 3055 3056 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3057 if (multicnt > 14) { 3058 u_int32_t *sp = sc->tulip_setupdata; 3059 unsigned hash; 3060 /* 3061 * Some early passes of the 21140 have broken implementations of 3062 * hash-perfect mode. When we get too many multicasts for perfect 3063 * filtering with these chips, we need to switch into hash-only 3064 * mode (this is better than all-multicast on network with lots 3065 * of multicast traffic). 3066 */ 3067 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3068 sc->tulip_flags |= TULIP_WANTHASHONLY; 3069 else 3070 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3071 /* 3072 * If we have more than 14 multicasts, we have 3073 * go into hash perfect mode (512 bit multicast 3074 * hash and one perfect hardware). 3075 */ 3076 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3077 3078#if defined(__FreeBSD__) && __FreeBSD__ >= 3 3079 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3080 ifma = ifma->ifma_link.le_next) { 3081 3082 if (ifma->ifma_addr->sa_family != AF_LINK) 3083 continue; 3084 3085 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3086 sp[hash >> 4] |= 1 << (hash & 0xF); 3087 } 3088#else 3089 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3090 while (enm != NULL) { 3091 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3092 hash = tulip_mchash(enm->enm_addrlo); 3093 sp[hash >> 4] |= 1 << (hash & 0xF); 3094 } else { 3095 sc->tulip_flags |= TULIP_ALLMULTI; 3096 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3097 break; 3098 } 3099 ETHER_NEXT_MULTI(step, enm); 3100 } 3101#endif 3102 /* 3103 * No reason to use a hash if we are going to be 3104 * receiving every multicast. 3105 */ 3106 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3107 hash = tulip_mchash(etherbroadcastaddr); 3108 sp[hash >> 4] |= 1 << (hash & 0xF); 3109 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3110 hash = tulip_mchash(sc->tulip_enaddr); 3111 sp[hash >> 4] |= 1 << (hash & 0xF); 3112 } else { 3113 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3114 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3115 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3116 } 3117 } 3118 } 3119 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3120 u_int32_t *sp = sc->tulip_setupdata; 3121 int idx = 0; 3122 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3123 /* 3124 * Else can get perfect filtering for 16 addresses. 3125 */ 3126#if defined(__FreeBSD__) && __FreeBSD__ >= 3 3127 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3128 ifma = ifma->ifma_link.le_next) { 3129 if (ifma->ifma_addr->sa_family != AF_LINK) 3130 continue; 3131 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3132 *sp++ = ((u_int16_t *) addrp)[0]; 3133 *sp++ = ((u_int16_t *) addrp)[1]; 3134 *sp++ = ((u_int16_t *) addrp)[2]; 3135 idx++; 3136 } 3137#else 3138 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3139 for (; enm != NULL; idx++) { 3140 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3141 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 3142 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 3143 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 3144 } else { 3145 sc->tulip_flags |= TULIP_ALLMULTI; 3146 break; 3147 } 3148 ETHER_NEXT_MULTI(step, enm); 3149 } 3150#endif 3151 /* 3152 * Add the broadcast address. 3153 */ 3154 idx++; 3155 *sp++ = 0xFFFF; 3156 *sp++ = 0xFFFF; 3157 *sp++ = 0xFFFF; 3158 } 3159 /* 3160 * Pad the rest with our hardware address 3161 */ 3162 for (; idx < 16; idx++) { 3163 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3164 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3165 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3166 } 3167 } 3168#if defined(IFF_ALLMULTI) 3169 if (sc->tulip_flags & TULIP_ALLMULTI) 3170 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3171#endif 3172} 3173 3174static void 3175tulip_reset( 3176 tulip_softc_t * const sc) 3177{ 3178 tulip_ringinfo_t *ri; 3179 tulip_desc_t *di; 3180 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3181 3182 /* 3183 * Brilliant. Simply brilliant. When switching modes/speeds 3184 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3185 * bits in CSR6 and then do a software reset to get the 21140 3186 * to properly reset its internal pathways to the right places. 3187 * Grrrr. 3188 */ 3189 if (sc->tulip_boardsw->bd_media_preset != NULL) 3190 (*sc->tulip_boardsw->bd_media_preset)(sc); 3191 3192 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3193 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3194 33MHz that comes to two microseconds but wait a 3195 bit longer anyways) */ 3196 3197 if (!inreset) { 3198 sc->tulip_flags |= TULIP_INRESET; 3199 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3200 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3201 } 3202 3203 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3204 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3205 TULIP_CSR_WRITE(sc, csr_busmode, 3206 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3207 |TULIP_BUSMODE_CACHE_ALIGN8 3208 |TULIP_BUSMODE_READMULTIPLE 3209 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0)); 3210 3211 sc->tulip_txtimer = 0; 3212 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3213 /* 3214 * Free all the mbufs that were on the transmit ring. 3215 */ 3216 for (;;) { 3217 struct mbuf *m; 3218 IF_DEQUEUE(&sc->tulip_txq, m); 3219 if (m == NULL) 3220 break; 3221 m_freem(m); 3222 } 3223 3224 ri = &sc->tulip_txinfo; 3225 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3226 ri->ri_free = ri->ri_max; 3227 for (di = ri->ri_first; di < ri->ri_last; di++) 3228 di->d_status = 0; 3229 3230 /* 3231 * We need to collect all the mbufs were on the 3232 * receive ring before we reinit it either to put 3233 * them back on or to know if we have to allocate 3234 * more. 3235 */ 3236 ri = &sc->tulip_rxinfo; 3237 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3238 ri->ri_free = ri->ri_max; 3239 for (di = ri->ri_first; di < ri->ri_last; di++) { 3240 di->d_status = 0; 3241 di->d_length1 = 0; di->d_addr1 = 0; 3242 di->d_length2 = 0; di->d_addr2 = 0; 3243 } 3244 for (;;) { 3245 struct mbuf *m; 3246 IF_DEQUEUE(&sc->tulip_rxq, m); 3247 if (m == NULL) 3248 break; 3249 m_freem(m); 3250 } 3251 3252 /* 3253 * If tulip_reset is being called recurisvely, exit quickly knowing 3254 * that when the outer tulip_reset returns all the right stuff will 3255 * have happened. 3256 */ 3257 if (inreset) 3258 return; 3259 3260 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3261 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3262 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE|TULIP_STS_LINKFAIL 3263 |TULIP_STS_RXSTOPPED; 3264 3265 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3266 (*sc->tulip_boardsw->bd_media_select)(sc); 3267#if defined(TULIP_DEBUG) 3268 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3269 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3270 TULIP_PRINTF_ARGS); 3271#endif 3272 tulip_media_print(sc); 3273 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3274 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3275 3276 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3277 |TULIP_RXACT); 3278 tulip_addr_filter(sc); 3279} 3280 3281static void 3282tulip_init( 3283 tulip_softc_t * const sc) 3284{ 3285 if (sc->tulip_if.if_flags & IFF_UP) { 3286 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3287 /* initialize the media */ 3288 tulip_reset(sc); 3289 } 3290 sc->tulip_if.if_flags |= IFF_RUNNING; 3291 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3292 sc->tulip_flags |= TULIP_PROMISC; 3293 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3294 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3295 } else { 3296 sc->tulip_flags &= ~TULIP_PROMISC; 3297 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3298 if (sc->tulip_flags & TULIP_ALLMULTI) { 3299 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3300 } else { 3301 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3302 } 3303 } 3304 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3305 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3306 tulip_rx_intr(sc); 3307 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3308 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3309 } else { 3310 sc->tulip_if.if_flags |= IFF_OACTIVE; 3311 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3312 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3313 } 3314 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3315 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3316 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3317 tulip_txput_setup(sc); 3318 } else { 3319 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3320 tulip_reset(sc); 3321 } 3322} 3323 3324static void 3325tulip_rx_intr( 3326 tulip_softc_t * const sc) 3327{ 3328 TULIP_PERFSTART(rxintr) 3329 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3330 struct ifnet * const ifp = &sc->tulip_if; 3331 int fillok = 1; 3332#if defined(TULIP_DEBUG) 3333 int cnt = 0; 3334#endif 3335 3336 for (;;) { 3337 TULIP_PERFSTART(rxget) 3338 struct ether_header eh; 3339 tulip_desc_t *eop = ri->ri_nextin; 3340 int total_len = 0, last_offset = 0; 3341 struct mbuf *ms = NULL, *me = NULL; 3342 int accept = 0; 3343 3344 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3345 goto queue_mbuf; 3346 3347#if defined(TULIP_DEBUG) 3348 if (cnt == ri->ri_max) 3349 break; 3350#endif 3351 /* 3352 * If the TULIP has no descriptors, there can't be any receive 3353 * descriptors to process. 3354 */ 3355 if (eop == ri->ri_nextout) 3356 break; 3357 3358 /* 3359 * 90% of the packets will fit in one descriptor. So we optimize 3360 * for that case. 3361 */ 3362 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3363 IF_DEQUEUE(&sc->tulip_rxq, ms); 3364 me = ms; 3365 } else { 3366 /* 3367 * If still owned by the TULIP, don't touch it. 3368 */ 3369 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3370 break; 3371 3372 /* 3373 * It is possible (though improbable unless the BIG_PACKET support 3374 * is enabled or MCLBYTES < 1518) for a received packet to cross 3375 * more than one receive descriptor. 3376 */ 3377 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3378 if (++eop == ri->ri_last) 3379 eop = ri->ri_first; 3380 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3381#if defined(TULIP_DEBUG) 3382 sc->tulip_dbg.dbg_rxintrs++; 3383 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3384#endif 3385 TULIP_PERFEND(rxget); 3386 TULIP_PERFEND(rxintr); 3387 return; 3388 } 3389 total_len++; 3390 } 3391 3392 /* 3393 * Dequeue the first buffer for the start of the packet. Hopefully 3394 * this will be the only one we need to dequeue. However, if the 3395 * packet consumed multiple descriptors, then we need to dequeue 3396 * those buffers and chain to the starting mbuf. All buffers but 3397 * the last buffer have the same length so we can set that now. 3398 * (we add to last_offset instead of multiplying since we normally 3399 * won't go into the loop and thereby saving a ourselves from 3400 * doing a multiplication by 0 in the normal case). 3401 */ 3402 IF_DEQUEUE(&sc->tulip_rxq, ms); 3403 for (me = ms; total_len > 0; total_len--) { 3404 me->m_len = TULIP_RX_BUFLEN; 3405 last_offset += TULIP_RX_BUFLEN; 3406 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3407 me = me->m_next; 3408 } 3409 } 3410 3411 /* 3412 * Now get the size of received packet (minus the CRC). 3413 */ 3414 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3415 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3416 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3417#ifdef BIG_PACKET 3418 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3419 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3420 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3421 TULIP_DSTS_RxOVERFLOW)) == 0) 3422#endif 3423 )) { 3424 me->m_len = total_len - last_offset; 3425 eh = *mtod(ms, struct ether_header *); 3426#if NBPFILTER > 0 3427 if (sc->tulip_bpf != NULL) 3428 if (me == ms) 3429 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3430 else 3431 TULIP_BPF_MTAP(sc, ms); 3432#endif 3433 sc->tulip_flags |= TULIP_RXACT; 3434 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3435 && (eh.ether_dhost[0] & 1) == 0 3436 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3437 goto next; 3438 accept = 1; 3439 total_len -= sizeof(struct ether_header); 3440 } else { 3441 ifp->if_ierrors++; 3442 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3443 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3444 } else { 3445 const char *error = NULL; 3446 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3447 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3448 error = "frame too long"; 3449 } 3450 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3451 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3452 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3453 error = "alignment error"; 3454 } else { 3455 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3456 error = "bad crc"; 3457 } 3458 } 3459 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3460 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3461 TULIP_PRINTF_ARGS, 3462 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3463 error); 3464 sc->tulip_flags |= TULIP_NOMESSAGES; 3465 } 3466 } 3467 } 3468 next: 3469#if defined(TULIP_DEBUG) 3470 cnt++; 3471#endif 3472 ifp->if_ipackets++; 3473 if (++eop == ri->ri_last) 3474 eop = ri->ri_first; 3475 ri->ri_nextin = eop; 3476 queue_mbuf: 3477 /* 3478 * Either we are priming the TULIP with mbufs (m == NULL) 3479 * or we are about to accept an mbuf for the upper layers 3480 * so we need to allocate an mbuf to replace it. If we 3481 * can't replace it, send up it anyways. This may cause 3482 * us to drop packets in the future but that's better than 3483 * being caught in livelock. 3484 * 3485 * Note that if this packet crossed multiple descriptors 3486 * we don't even try to reallocate all the mbufs here. 3487 * Instead we rely on the test of the beginning of 3488 * the loop to refill for the extra consumed mbufs. 3489 */ 3490 if (accept || ms == NULL) { 3491 struct mbuf *m0; 3492 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3493 if (m0 != NULL) { 3494#if defined(TULIP_COPY_RXDATA) 3495 if (!accept || total_len >= MHLEN) { 3496#endif 3497 MCLGET(m0, M_DONTWAIT); 3498 if ((m0->m_flags & M_EXT) == 0) { 3499 m_freem(m0); 3500 m0 = NULL; 3501 } 3502#if defined(TULIP_COPY_RXDATA) 3503 } 3504#endif 3505 } 3506 if (accept 3507#if defined(TULIP_COPY_RXDATA) 3508 && m0 != NULL 3509#endif 3510 ) { 3511#if defined(__bsdi__) 3512 eh.ether_type = ntohs(eh.ether_type); 3513#endif 3514#if !defined(TULIP_COPY_RXDATA) 3515 ms->m_data += sizeof(struct ether_header); 3516 ms->m_len -= sizeof(struct ether_header); 3517 ms->m_pkthdr.len = total_len; 3518 ms->m_pkthdr.rcvif = ifp; 3519 ether_input(ifp, &eh, ms); 3520#else 3521#ifdef BIG_PACKET 3522#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3523#endif 3524 if (ms == me) 3525 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3526 mtod(m0, caddr_t), total_len); 3527 else 3528 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3529 m0->m_len = m0->m_pkthdr.len = total_len; 3530 m0->m_pkthdr.rcvif = ifp; 3531 ether_input(ifp, &eh, m0); 3532 m0 = ms; 3533#endif 3534 } 3535 ms = m0; 3536 } 3537 if (ms == NULL) { 3538 /* 3539 * Couldn't allocate a new buffer. Don't bother 3540 * trying to replenish the receive queue. 3541 */ 3542 fillok = 0; 3543 sc->tulip_flags |= TULIP_RXBUFSLOW; 3544#if defined(TULIP_DEBUG) 3545 sc->tulip_dbg.dbg_rxlowbufs++; 3546#endif 3547 TULIP_PERFEND(rxget); 3548 continue; 3549 } 3550 /* 3551 * Now give the buffer(s) to the TULIP and save in our 3552 * receive queue. 3553 */ 3554 do { 3555 ri->ri_nextout->d_length1 = TULIP_RX_BUFLEN; 3556 ri->ri_nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3557 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3558 if (++ri->ri_nextout == ri->ri_last) 3559 ri->ri_nextout = ri->ri_first; 3560 me = ms->m_next; 3561 ms->m_next = NULL; 3562 IF_ENQUEUE(&sc->tulip_rxq, ms); 3563 } while ((ms = me) != NULL); 3564 3565 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3566 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3567 TULIP_PERFEND(rxget); 3568 } 3569 3570#if defined(TULIP_DEBUG) 3571 sc->tulip_dbg.dbg_rxintrs++; 3572 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3573#endif 3574 TULIP_PERFEND(rxintr); 3575} 3576 3577static int 3578tulip_tx_intr( 3579 tulip_softc_t * const sc) 3580{ 3581 TULIP_PERFSTART(txintr) 3582 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3583 struct mbuf *m; 3584 int xmits = 0; 3585 int descs = 0; 3586 3587 while (ri->ri_free < ri->ri_max) { 3588 u_int32_t d_flag; 3589 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3590 break; 3591 3592 d_flag = ri->ri_nextin->d_flag; 3593 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3594 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3595 /* 3596 * We've just finished processing a setup packet. 3597 * Mark that we finished it. If there's not 3598 * another pending, startup the TULIP receiver. 3599 * Make sure we ack the RXSTOPPED so we won't get 3600 * an abormal interrupt indication. 3601 */ 3602 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3603 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3604 sc->tulip_flags |= TULIP_HASHONLY; 3605 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3606 tulip_rx_intr(sc); 3607 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3608 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3609 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3610 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3611 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3612 } 3613 } else { 3614 const u_int32_t d_status = ri->ri_nextin->d_status; 3615 IF_DEQUEUE(&sc->tulip_txq, m); 3616 if (m != NULL) { 3617#if NBPFILTER > 0 3618 if (sc->tulip_bpf != NULL) 3619 TULIP_BPF_MTAP(sc, m); 3620#endif 3621 m_freem(m); 3622#if defined(TULIP_DEBUG) 3623 } else { 3624 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3625#endif 3626 } 3627 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3628 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3629 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3630#if defined(TULIP_DEBUG) 3631 if (d_status & TULIP_DSTS_TxNOCARR) 3632 sc->tulip_dbg.dbg_txprobe_nocarr++; 3633 if (d_status & TULIP_DSTS_TxEXCCOLL) 3634 sc->tulip_dbg.dbg_txprobe_exccoll++; 3635#endif 3636 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3637 } 3638 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3639 /* 3640 * Escape from the loop before media poll has reset the TULIP! 3641 */ 3642 break; 3643 } else { 3644 xmits++; 3645 if (d_status & TULIP_DSTS_ERRSUM) { 3646 sc->tulip_if.if_oerrors++; 3647 if (d_status & TULIP_DSTS_TxEXCCOLL) 3648 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3649 if (d_status & TULIP_DSTS_TxLATECOLL) 3650 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3651 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3652 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3653 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3654 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3655 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3656 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3657 if (d_status & TULIP_DSTS_TxBABBLE) 3658 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3659 } else { 3660 u_int32_t collisions = 3661 (d_status & TULIP_DSTS_TxCOLLMASK) 3662 >> TULIP_DSTS_V_TxCOLLCNT; 3663 sc->tulip_if.if_collisions += collisions; 3664 if (collisions == 1) 3665 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3666 else if (collisions > 1) 3667 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3668 else if (d_status & TULIP_DSTS_TxDEFERRED) 3669 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3670 /* 3671 * SQE is only valid for 10baseT/BNC/AUI when not 3672 * running in full-duplex. In order to speed up the 3673 * test, the corresponding bit in tulip_flags needs to 3674 * set as well to get us to count SQE Test Errors. 3675 */ 3676 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3677 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3678 } 3679 } 3680 } 3681 } 3682 3683 if (++ri->ri_nextin == ri->ri_last) 3684 ri->ri_nextin = ri->ri_first; 3685 3686 ri->ri_free++; 3687 descs++; 3688 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3689 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3690 } 3691 /* 3692 * If nothing left to transmit, disable the timer. 3693 * Else if progress, reset the timer back to 2 ticks. 3694 */ 3695 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3696 sc->tulip_txtimer = 0; 3697 else if (xmits > 0) 3698 sc->tulip_txtimer = TULIP_TXTIMER; 3699 sc->tulip_if.if_opackets += xmits; 3700 TULIP_PERFEND(txintr); 3701 return descs; 3702} 3703 3704static void 3705tulip_print_abnormal_interrupt( 3706 tulip_softc_t * const sc, 3707 u_int32_t csr) 3708{ 3709 const char * const *msgp = tulip_status_bits; 3710 const char *sep; 3711 u_int32_t mask; 3712 const char thrsh[] = "72|128\0\0\096|256\0\0\0128|512\0\0160|1024\0"; 3713 3714 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3715 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3716 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3717 if ((csr & mask) && *msgp != NULL) { 3718 printf("%s%s", sep, *msgp); 3719 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3720 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3721 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3722 printf(" (switching to store-and-forward mode)"); 3723 } else { 3724 printf(" (raising TX threshold to %s)", 3725 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3726 } 3727 } 3728 sep = ", "; 3729 } 3730 } 3731 printf("\n"); 3732} 3733 3734static void 3735tulip_intr_handler( 3736 tulip_softc_t * const sc, 3737 int *progress_p) 3738{ 3739 TULIP_PERFSTART(intr) 3740 u_int32_t csr; 3741#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3742 int only_once; 3743 3744 only_once = 1; 3745#endif 3746 3747 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3748#if defined(__NetBSD__) && !defined(TULIP_USE_SOFTINTR) 3749 if (only_once == 1) { 3750#if NRND > 0 3751 rnd_add_uint32(&sc->tulip_rndsource, csr); 3752#endif 3753 only_once = 0; 3754 } 3755#endif 3756 3757 *progress_p = 1; 3758 TULIP_CSR_WRITE(sc, csr_status, csr); 3759 3760 if (csr & TULIP_STS_SYSERROR) { 3761 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3762 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3763 sc->tulip_flags |= TULIP_SYSTEMERROR; 3764 } else { 3765 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3766 TULIP_PRINTF_ARGS, 3767 tulip_system_errors[sc->tulip_last_system_error]); 3768 } 3769 sc->tulip_flags |= TULIP_NEEDRESET; 3770 sc->tulip_system_errors++; 3771 break; 3772 } 3773 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) { 3774#if defined(TULIP_DEBUG) 3775 sc->tulip_dbg.dbg_link_intrs++; 3776#endif 3777 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3778 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3779 ? TULIP_MEDIAPOLL_LINKFAIL 3780 : TULIP_MEDIAPOLL_LINKPASS); 3781 csr &= ~TULIP_STS_ABNRMLINTR; 3782 } 3783 tulip_media_print(sc); 3784 } 3785 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3786 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3787 if (csr & TULIP_STS_RXNOBUF) 3788 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3789 /* 3790 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3791 * on receive overflows. 3792 */ 3793 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3794 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3795 /* 3796 * Stop the receiver process and spin until it's stopped. 3797 * Tell rx_intr to drop the packets it dequeues. 3798 */ 3799 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3800 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3801 ; 3802 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3803 sc->tulip_flags |= TULIP_RXIGNORE; 3804 } 3805 tulip_rx_intr(sc); 3806 if (sc->tulip_flags & TULIP_RXIGNORE) { 3807 /* 3808 * Restart the receiver. 3809 */ 3810 sc->tulip_flags &= ~TULIP_RXIGNORE; 3811 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3812 } 3813 } 3814 if (csr & TULIP_STS_ABNRMLINTR) { 3815 u_int32_t tmp = csr & sc->tulip_intrmask 3816 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3817 if (csr & TULIP_STS_TXUNDERFLOW) { 3818 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3819 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3820 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3821 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3822 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3823 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3824 } 3825 } 3826 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3827 sc->tulip_statusbits |= tmp; 3828 } else { 3829 tulip_print_abnormal_interrupt(sc, tmp); 3830 sc->tulip_flags |= TULIP_NOMESSAGES; 3831 } 3832 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3833 } 3834 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3835 tulip_tx_intr(sc); 3836 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3837 tulip_ifstart(&sc->tulip_if); 3838 } 3839 } 3840 if (sc->tulip_flags & TULIP_NEEDRESET) { 3841 tulip_reset(sc); 3842 tulip_init(sc); 3843 } 3844 TULIP_PERFEND(intr); 3845} 3846 3847#if defined(TULIP_USE_SOFTINTR) 3848/* 3849 * This is a experimental idea to alleviate problems due to interrupt 3850 * livelock. What is interrupt livelock? It's when you spend all your 3851 * time servicing device interrupts and never drop below device ipl 3852 * to do "useful" work. 3853 * 3854 * So what we do here is see if the device needs service and if so, 3855 * disable interrupts (dismiss the interrupt), place it in a list of devices 3856 * needing service, and issue a network software interrupt. 3857 * 3858 * When our network software interrupt routine gets called, we simply 3859 * walk done the list of devices that we have created and deal with them 3860 * at splnet/splsoftnet. 3861 * 3862 */ 3863static void 3864tulip_hardintr_handler( 3865 tulip_softc_t * const sc, 3866 int *progress_p) 3867{ 3868 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3869 return; 3870 *progress_p = 1; 3871 /* 3872 * disable interrupts 3873 */ 3874 TULIP_CSR_WRITE(sc, csr_intr, 0); 3875 /* 3876 * mark it as needing a software interrupt 3877 */ 3878 tulip_softintr_mask |= (1U << sc->tulip_unit); 3879 3880#if defined(__NetBSD__) && NRND > 0 3881 /* 3882 * This isn't all that random (the value we feed in) but it is 3883 * better than a constant probably. It isn't used in entropy 3884 * calculation anyway, just to add something to the pool. 3885 */ 3886 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 3887#endif 3888} 3889 3890static void 3891tulip_softintr( 3892 void) 3893{ 3894 u_int32_t softintr_mask, mask; 3895 int progress = 0; 3896 int unit; 3897 tulip_spl_t s; 3898 3899 /* 3900 * Copy mask to local copy and reset global one to 0. 3901 */ 3902 s = TULIP_RAISESPL(); 3903 softintr_mask = tulip_softintr_mask; 3904 tulip_softintr_mask = 0; 3905 TULIP_RESTORESPL(s); 3906 3907 /* 3908 * Optimize for the single unit case. 3909 */ 3910 if (tulip_softintr_max_unit == 0) { 3911 if (softintr_mask & 1) { 3912 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 3913 /* 3914 * Handle the "interrupt" and then reenable interrupts 3915 */ 3916 softintr_mask = 0; 3917 tulip_intr_handler(sc, &progress); 3918 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3919 } 3920 return; 3921 } 3922 3923 /* 3924 * Handle all "queued" interrupts in a round robin fashion. 3925 * This is done so as not to favor a particular interface. 3926 */ 3927 unit = tulip_softintr_last_unit; 3928 mask = (1U << unit); 3929 while (softintr_mask != 0) { 3930 if (tulip_softintr_max_unit == unit) { 3931 unit = 0; mask = 1; 3932 } else { 3933 unit += 1; mask <<= 1; 3934 } 3935 if (softintr_mask & mask) { 3936 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 3937 /* 3938 * Handle the "interrupt" and then reenable interrupts 3939 */ 3940 softintr_mask ^= mask; 3941 tulip_intr_handler(sc, &progress); 3942 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3943 } 3944 } 3945 3946 /* 3947 * Save where we ending up. 3948 */ 3949 tulip_softintr_last_unit = unit; 3950} 3951#endif /* TULIP_USE_SOFTINTR */ 3952 3953static tulip_intrfunc_t 3954tulip_intr_shared( 3955 void *arg) 3956{ 3957 tulip_softc_t * sc = arg; 3958 int progress = 0; 3959 3960 for (; sc != NULL; sc = sc->tulip_slaves) { 3961#if defined(TULIP_DEBUG) 3962 sc->tulip_dbg.dbg_intrs++; 3963#endif 3964#if defined(TULIP_USE_SOFTINTR) 3965 tulip_hardintr_handler(sc, &progress); 3966#else 3967 tulip_intr_handler(sc, &progress); 3968#endif 3969 } 3970#if defined(TULIP_USE_SOFTINTR) 3971 if (progress) 3972 schednetisr(NETISR_DE); 3973#endif 3974#if !defined(TULIP_VOID_INTRFUNC) 3975 return progress; 3976#endif 3977} 3978 3979static tulip_intrfunc_t 3980tulip_intr_normal( 3981 void *arg) 3982{ 3983 tulip_softc_t * sc = (tulip_softc_t *) arg; 3984 int progress = 0; 3985 3986#if defined(TULIP_DEBUG) 3987 sc->tulip_dbg.dbg_intrs++; 3988#endif 3989#if defined(TULIP_USE_SOFTINTR) 3990 tulip_hardintr_handler(sc, &progress); 3991 if (progress) 3992 schednetisr(NETISR_DE); 3993#else 3994 tulip_intr_handler(sc, &progress); 3995#endif 3996#if !defined(TULIP_VOID_INTRFUNC) 3997 return progress; 3998#endif 3999} 4000 4001static struct mbuf * 4002tulip_mbuf_compress( 4003 struct mbuf *m) 4004{ 4005 struct mbuf *m0; 4006#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4007 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4008 if (m0 != NULL) { 4009 if (m->m_pkthdr.len > MHLEN) { 4010 MCLGET(m0, M_DONTWAIT); 4011 if ((m0->m_flags & M_EXT) == 0) { 4012 m_freem(m); 4013 m_freem(m0); 4014 return NULL; 4015 } 4016 } 4017 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4018 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4019 } 4020#else 4021 int mlen = MHLEN; 4022 int len = m->m_pkthdr.len; 4023 struct mbuf **mp = &m0; 4024 4025 while (len > 0) { 4026 if (mlen == MHLEN) { 4027 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4028 } else { 4029 MGET(*mp, M_DONTWAIT, MT_DATA); 4030 } 4031 if (*mp == NULL) { 4032 m_freem(m0); 4033 m0 = NULL; 4034 break; 4035 } 4036 if (len > MLEN) { 4037 MCLGET(*mp, M_DONTWAIT); 4038 if (((*mp)->m_flags & M_EXT) == 0) { 4039 m_freem(m0); 4040 m0 = NULL; 4041 break; 4042 } 4043 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4044 } else { 4045 (*mp)->m_len = len <= mlen ? len : mlen; 4046 } 4047 m_copydata(m, m->m_pkthdr.len - len, 4048 (*mp)->m_len, mtod((*mp), caddr_t)); 4049 len -= (*mp)->m_len; 4050 mp = &(*mp)->m_next; 4051 mlen = MLEN; 4052 } 4053#endif 4054 m_freem(m); 4055 return m0; 4056} 4057 4058static struct mbuf * 4059tulip_txput( 4060 tulip_softc_t * const sc, 4061 struct mbuf *m) 4062{ 4063 TULIP_PERFSTART(txput) 4064 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4065 tulip_desc_t *eop, *nextout; 4066 int segcnt, free; 4067 u_int32_t d_status; 4068 struct mbuf *m0; 4069 4070#if defined(TULIP_DEBUG) 4071 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4072 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4073 TULIP_PRINTF_ARGS, 4074 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4075 sc->tulip_flags |= TULIP_WANTTXSTART; 4076 goto finish; 4077 } 4078#endif 4079 4080 /* 4081 * Now we try to fill in our transmit descriptors. This is 4082 * a bit reminiscent of going on the Ark two by two 4083 * since each descriptor for the TULIP can describe 4084 * two buffers. So we advance through packet filling 4085 * each of the two entries at a time to to fill each 4086 * descriptor. Clear the first and last segment bits 4087 * in each descriptor (actually just clear everything 4088 * but the end-of-ring or chain bits) to make sure 4089 * we don't get messed up by previously sent packets. 4090 * 4091 * We may fail to put the entire packet on the ring if 4092 * there is either not enough ring entries free or if the 4093 * packet has more than MAX_TXSEG segments. In the former 4094 * case we will just wait for the ring to empty. In the 4095 * latter case we have to recopy. 4096 */ 4097 again: 4098 d_status = 0; 4099 eop = nextout = ri->ri_nextout; 4100 m0 = m; 4101 segcnt = 0; 4102 free = ri->ri_free; 4103 do { 4104 int len = m0->m_len; 4105 caddr_t addr = mtod(m0, caddr_t); 4106 unsigned clsize = CLBYTES - (((u_long) addr) & (CLBYTES-1)); 4107 4108 while (len > 0) { 4109 unsigned slen = min(len, clsize); 4110#ifdef BIG_PACKET 4111 int partial = 0; 4112 if (slen >= 2048) 4113 slen = 2040, partial = 1; 4114#endif 4115 segcnt++; 4116 if (segcnt > TULIP_MAX_TXSEG) { 4117 /* 4118 * The packet exceeds the number of transmit buffer 4119 * entries that we can use for one packet, so we have 4120 * recopy it into one mbuf and then try again. 4121 */ 4122 m = tulip_mbuf_compress(m); 4123 if (m == NULL) 4124 goto finish; 4125 goto again; 4126 } 4127 if (segcnt & 1) { 4128 if (--free == 0) { 4129 /* 4130 * See if there's any unclaimed space in the 4131 * transmit ring. 4132 */ 4133 if ((free += tulip_tx_intr(sc)) == 0) { 4134 /* 4135 * There's no more room but since nothing 4136 * has been committed at this point, just 4137 * show output is active, put back the 4138 * mbuf and return. 4139 */ 4140 sc->tulip_flags |= TULIP_WANTTXSTART; 4141 goto finish; 4142 } 4143 } 4144 eop = nextout; 4145 if (++nextout == ri->ri_last) 4146 nextout = ri->ri_first; 4147 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4148 eop->d_status = d_status; 4149 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4150 eop->d_length1 = slen; 4151 } else { 4152 /* 4153 * Fill in second half of descriptor 4154 */ 4155 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4156 eop->d_length2 = slen; 4157 } 4158 d_status = TULIP_DSTS_OWNER; 4159 len -= slen; 4160 addr += slen; 4161#ifdef BIG_PACKET 4162 if (partial) 4163 continue; 4164#endif 4165 clsize = CLBYTES; 4166 } 4167 } while ((m0 = m0->m_next) != NULL); 4168 4169 4170 /* 4171 * The descriptors have been filled in. Now get ready 4172 * to transmit. 4173 */ 4174 IF_ENQUEUE(&sc->tulip_txq, m); 4175 m = NULL; 4176 4177 /* 4178 * Make sure the next descriptor after this packet is owned 4179 * by us since it may have been set up above if we ran out 4180 * of room in the ring. 4181 */ 4182 nextout->d_status = 0; 4183 4184 /* 4185 * If we only used the first segment of the last descriptor, 4186 * make sure the second segment will not be used. 4187 */ 4188 if (segcnt & 1) { 4189 eop->d_addr2 = 0; 4190 eop->d_length2 = 0; 4191 } 4192 4193 /* 4194 * Mark the last and first segments, indicate we want a transmit 4195 * complete interrupt, and tell it to transmit! 4196 */ 4197 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4198 4199 /* 4200 * Note that ri->ri_nextout is still the start of the packet 4201 * and until we set the OWNER bit, we can still back out of 4202 * everything we have done. 4203 */ 4204 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4205 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4206 4207 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4208 4209 /* 4210 * This advances the ring for us. 4211 */ 4212 ri->ri_nextout = nextout; 4213 ri->ri_free = free; 4214 4215 TULIP_PERFEND(txput); 4216 4217 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4218 sc->tulip_if.if_flags |= IFF_OACTIVE; 4219 TULIP_PERFEND(txput); 4220 return NULL; 4221 } 4222 4223 /* 4224 * switch back to the single queueing ifstart. 4225 */ 4226 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4227 sc->tulip_if.if_start = tulip_ifstart_one; 4228 if (sc->tulip_txtimer == 0) 4229 sc->tulip_txtimer = TULIP_TXTIMER; 4230 4231 /* 4232 * If we want a txstart, there must be not enough space in the 4233 * transmit ring. So we want to enable transmit done interrupts 4234 * so we can immediately reclaim some space. When the transmit 4235 * interrupt is posted, the interrupt handler will call tx_intr 4236 * to reclaim space and then txstart (since WANTTXSTART is set). 4237 * txstart will move the packet into the transmit ring and clear 4238 * WANTTXSTART thereby causing TXINTR to be cleared. 4239 */ 4240 finish: 4241 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4242 sc->tulip_if.if_flags |= IFF_OACTIVE; 4243 sc->tulip_if.if_start = tulip_ifstart; 4244 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4245 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4246 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4247 } 4248 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4249 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4250 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4251 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4252 } 4253 } 4254 TULIP_PERFEND(txput); 4255 return m; 4256} 4257 4258static void 4259tulip_txput_setup( 4260 tulip_softc_t * const sc) 4261{ 4262 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4263 tulip_desc_t *nextout; 4264 4265 /* 4266 * We will transmit, at most, one setup packet per call to ifstart. 4267 */ 4268 4269#if defined(TULIP_DEBUG) 4270 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4271 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4272 TULIP_PRINTF_ARGS); 4273 sc->tulip_flags |= TULIP_WANTTXSTART; 4274 sc->tulip_if.if_start = tulip_ifstart; 4275 return; 4276 } 4277#endif 4278 /* 4279 * Try to reclaim some free descriptors.. 4280 */ 4281 if (ri->ri_free < 2) 4282 tulip_tx_intr(sc); 4283 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4284 sc->tulip_flags |= TULIP_WANTTXSTART; 4285 sc->tulip_if.if_start = tulip_ifstart; 4286 return; 4287 } 4288 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4289 sizeof(sc->tulip_setupbuf)); 4290 /* 4291 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4292 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4293 */ 4294 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4295 ri->ri_free--; 4296 nextout = ri->ri_nextout; 4297 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4298 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4299 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4300 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4301 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4302 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4303 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4304 4305 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4306 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4307 nextout->d_length2 = 0; 4308 nextout->d_addr2 = 0; 4309 4310 /* 4311 * Advance the ring for the next transmit packet. 4312 */ 4313 if (++ri->ri_nextout == ri->ri_last) 4314 ri->ri_nextout = ri->ri_first; 4315 4316 /* 4317 * Make sure the next descriptor is owned by us since it 4318 * may have been set up above if we ran out of room in the 4319 * ring. 4320 */ 4321 ri->ri_nextout->d_status = 0; 4322 nextout->d_status = TULIP_DSTS_OWNER; 4323 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4324 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4325 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4326 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4327 } 4328} 4329 4330 4331/* 4332 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4333 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4334 * defined or not. 4335 */ 4336static int 4337tulip_ifioctl( 4338 struct ifnet * ifp, 4339 ioctl_cmd_t cmd, 4340 caddr_t data) 4341{ 4342 TULIP_PERFSTART(ifioctl) 4343 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4344 struct ifaddr *ifa = (struct ifaddr *)data; 4345 struct ifreq *ifr = (struct ifreq *) data; 4346 tulip_spl_t s; 4347 int error = 0; 4348 4349#if defined(TULIP_USE_SOFTINTR) 4350 s = TULIP_RAISESOFTSPL(); 4351#else 4352 s = TULIP_RAISESPL(); 4353#endif 4354 switch (cmd) { 4355 case SIOCSIFADDR: { 4356 ifp->if_flags |= IFF_UP; 4357 switch(ifa->ifa_addr->sa_family) { 4358#ifdef INET 4359 case AF_INET: { 4360 tulip_init(sc); 4361 TULIP_ARP_IFINIT(sc, ifa); 4362 break; 4363 } 4364#endif /* INET */ 4365 4366#ifdef IPX 4367 case AF_IPX: { 4368 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4369 if (ipx_nullhost(*ina)) { 4370 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4371 } else { 4372 ifp->if_flags &= ~IFF_RUNNING; 4373 bcopy((caddr_t)ina->x_host.c_host, 4374 (caddr_t)sc->tulip_enaddr, 4375 sizeof(sc->tulip_enaddr)); 4376 } 4377 tulip_init(sc); 4378 break; 4379 } 4380#endif /* IPX */ 4381 4382#ifdef NS 4383 /* 4384 * This magic copied from if_is.c; I don't use XNS, 4385 * so I have no way of telling if this actually 4386 * works or not. 4387 */ 4388 case AF_NS: { 4389 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4390 if (ns_nullhost(*ina)) { 4391 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4392 } else { 4393 ifp->if_flags &= ~IFF_RUNNING; 4394 bcopy((caddr_t)ina->x_host.c_host, 4395 (caddr_t)sc->tulip_enaddr, 4396 sizeof(sc->tulip_enaddr)); 4397 } 4398 tulip_init(sc); 4399 break; 4400 } 4401#endif /* NS */ 4402 4403 default: { 4404 tulip_init(sc); 4405 break; 4406 } 4407 } 4408 break; 4409 } 4410 case SIOCGIFADDR: { 4411 bcopy((caddr_t) sc->tulip_enaddr, 4412 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4413 6); 4414 break; 4415 } 4416 4417 case SIOCSIFFLAGS: { 4418#if !defined(IFM_ETHER) 4419 int flags = 0; 4420 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4421 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4422 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4423 if (flags == 7) { 4424 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4425 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4426 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4427 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4428 tulip_reset(sc); 4429 } else if (flags) { 4430 tulip_media_t media; 4431 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4432 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4433 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4434 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4435 sc->tulip_flags &= ~TULIP_DIDNWAY; 4436 tulip_linkup(sc, media); 4437 } 4438 break; 4439 } 4440 } 4441 if (flags) 4442 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4443 } 4444#endif 4445 tulip_init(sc); 4446 break; 4447 } 4448 4449#if defined(SIOCSIFMEDIA) 4450 case SIOCSIFMEDIA: 4451 case SIOCGIFMEDIA: { 4452 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4453 break; 4454 } 4455#endif 4456 4457 case SIOCADDMULTI: 4458 case SIOCDELMULTI: { 4459 /* 4460 * Update multicast listeners 4461 */ 4462#if defined(__FreeBSD__) && __FreeBSD__ >= 3 4463 tulip_addr_filter(sc); /* reset multicast filtering */ 4464 tulip_init(sc); 4465 error = 0; 4466#else 4467 if (cmd == SIOCADDMULTI) 4468 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4469 else 4470 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4471 4472 if (error == ENETRESET) { 4473 tulip_addr_filter(sc); /* reset multicast filtering */ 4474 tulip_init(sc); 4475 error = 0; 4476 } 4477#endif 4478 break; 4479 } 4480#if defined(SIOCSIFMTU) 4481#if !defined(ifr_mtu) 4482#define ifr_mtu ifr_metric 4483#endif 4484 case SIOCSIFMTU: 4485 /* 4486 * Set the interface MTU. 4487 */ 4488 if (ifr->ifr_mtu > ETHERMTU 4489#ifdef BIG_PACKET 4490 && sc->tulip_chipid != TULIP_21140 4491 && sc->tulip_chipid != TULIP_21140A 4492 && sc->tulip_chipid != TULIP_21041 4493#endif 4494 ) { 4495 error = EINVAL; 4496 break; 4497 } 4498 ifp->if_mtu = ifr->ifr_mtu; 4499#ifdef BIG_PACKET 4500 tulip_reset(sc); 4501 tulip_init(sc); 4502#endif 4503 break; 4504#endif /* SIOCSIFMTU */ 4505 4506#ifdef SIOCGADDRROM 4507 case SIOCGADDRROM: { 4508 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4509 break; 4510 } 4511#endif 4512#ifdef SIOCGCHIPID 4513 case SIOCGCHIPID: { 4514 ifr->ifr_metric = (int) sc->tulip_chipid; 4515 break; 4516 } 4517#endif 4518 default: { 4519 error = EINVAL; 4520 break; 4521 } 4522 } 4523 4524 TULIP_RESTORESPL(s); 4525 TULIP_PERFEND(ifioctl); 4526 return error; 4527} 4528 4529/* 4530 * These routines gets called at device spl (from ether_output). This might 4531 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4532 * device spl from another driver. 4533 */ 4534 4535static ifnet_ret_t 4536tulip_ifstart( 4537 struct ifnet * const ifp) 4538{ 4539 TULIP_PERFSTART(ifstart) 4540 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4541 4542 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4543 4544 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4545 tulip_txput_setup(sc); 4546 4547 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4548 struct mbuf *m; 4549 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4550 if ((m = tulip_txput(sc, m)) != NULL) { 4551 IF_PREPEND(&sc->tulip_if.if_snd, m); 4552 break; 4553 } 4554 } 4555 } 4556 4557 TULIP_PERFEND(ifstart); 4558} 4559 4560static ifnet_ret_t 4561tulip_ifstart_one( 4562 struct ifnet * const ifp) 4563{ 4564 TULIP_PERFSTART(ifstart_one) 4565 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4566 4567 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4568 && sc->tulip_if.if_snd.ifq_head != NULL) { 4569 struct mbuf *m; 4570 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4571 if ((m = tulip_txput(sc, m)) != NULL) 4572 IF_PREPEND(&sc->tulip_if.if_snd, m); 4573 } 4574 TULIP_PERFEND(ifstart_one); 4575} 4576 4577/* 4578 * Even though this routine runs at device spl, it does not break 4579 * our use of splnet (splsoftnet under NetBSD) for the majority 4580 * of this driver (if TULIP_USE_SOFTINTR defined) since 4581 * if_watcbog is called from if_watchdog which is called from 4582 * splsoftclock which is below spl[soft]net. 4583 */ 4584static void 4585tulip_ifwatchdog( 4586 struct ifnet *ifp) 4587{ 4588 TULIP_PERFSTART(ifwatchdog) 4589 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4590 4591#if defined(TULIP_DEBUG) 4592 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4593 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4594 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4595 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4596#endif /* TULIP_DEBUG */ 4597 4598 sc->tulip_if.if_timer = 1; 4599 /* 4600 * These should be rare so do a bulk test up front so we can just skip 4601 * them if needed. 4602 */ 4603 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4604 /* 4605 * If the number of receive buffer is low, try to refill 4606 */ 4607 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4608 tulip_rx_intr(sc); 4609 4610 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4611 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4612 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4613 tulip_system_errors[sc->tulip_last_system_error]); 4614 } 4615 if (sc->tulip_statusbits) { 4616 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4617 sc->tulip_statusbits = 0; 4618 } 4619 4620 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4621 } 4622 4623 if (sc->tulip_txtimer) 4624 tulip_tx_intr(sc); 4625 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4626 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4627 if (TULIP_DO_AUTOSENSE(sc)) { 4628 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4629 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4630 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4631 } 4632 tulip_reset(sc); 4633 tulip_init(sc); 4634 } 4635 4636 TULIP_PERFEND(ifwatchdog); 4637 TULIP_PERFMERGE(sc, perf_intr_cycles); 4638 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4639 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4640 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4641 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4642 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4643 TULIP_PERFMERGE(sc, perf_txput_cycles); 4644 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4645 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4646 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4647 TULIP_PERFMERGE(sc, perf_intr); 4648 TULIP_PERFMERGE(sc, perf_ifstart); 4649 TULIP_PERFMERGE(sc, perf_ifioctl); 4650 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4651 TULIP_PERFMERGE(sc, perf_timeout); 4652 TULIP_PERFMERGE(sc, perf_ifstart_one); 4653 TULIP_PERFMERGE(sc, perf_txput); 4654 TULIP_PERFMERGE(sc, perf_txintr); 4655 TULIP_PERFMERGE(sc, perf_rxintr); 4656 TULIP_PERFMERGE(sc, perf_rxget); 4657} 4658 4659#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4660static ifnet_ret_t 4661tulip_ifwatchdog_wrapper( 4662 int unit) 4663{ 4664 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 4665} 4666#define tulip_ifwatchdog tulip_ifwatchdog_wrapper 4667#endif 4668 4669/* 4670 * All printf's are real as of now! 4671 */ 4672#ifdef printf 4673#undef printf 4674#endif 4675#if !defined(IFF_NOTRAILERS) 4676#define IFF_NOTRAILERS 0 4677#endif 4678 4679static void 4680tulip_attach( 4681 tulip_softc_t * const sc) 4682{ 4683 struct ifnet * const ifp = &sc->tulip_if; 4684 4685 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4686 ifp->if_ioctl = tulip_ifioctl; 4687 ifp->if_start = tulip_ifstart; 4688 ifp->if_watchdog = tulip_ifwatchdog; 4689 ifp->if_timer = 1; 4690#if !defined(__bsdi__) || _BSDI_VERSION < 199401 4691 ifp->if_output = ether_output; 4692#endif 4693#if defined(__bsdi__) && _BSDI_VERSION < 199401 4694 ifp->if_mtu = ETHERMTU; 4695#endif 4696 4697#if defined(__bsdi__) && _BSDI_VERSION >= 199510 4698 aprint_naive(": DEC Ethernet"); 4699 aprint_normal(": %s%s", sc->tulip_boardid, 4700 tulip_chipdescs[sc->tulip_chipid]); 4701 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 4702 sc->tulip_revinfo & 0x0F); 4703 printf("\n"); 4704 sc->tulip_pf = aprint_normal; 4705 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 4706 TULIP_PRINTF_ARGS, 4707 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4708#else 4709 printf( 4710#if defined(__bsdi__) 4711 "\n" 4712#endif 4713 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s\n", 4714 TULIP_PRINTF_ARGS, 4715 sc->tulip_boardid, 4716 tulip_chipdescs[sc->tulip_chipid], 4717 (sc->tulip_revinfo & 0xF0) >> 4, 4718 sc->tulip_revinfo & 0x0F, 4719 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4720 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4721 printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 4722 TULIP_PRINTF_ARGS, 4723 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4724#endif 4725 4726#if defined(__alpha__) 4727 /* 4728 * In case the SRM console told us about a bogus media, 4729 * we need to check to be safe. 4730 */ 4731 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4732 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4733#endif 4734 4735 (*sc->tulip_boardsw->bd_media_probe)(sc); 4736#if defined(IFM_ETHER) 4737 ifmedia_init(&sc->tulip_ifmedia, 0, 4738 tulip_ifmedia_change, 4739 tulip_ifmedia_status); 4740#else 4741 { 4742 tulip_media_t media; 4743 int cnt; 4744 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 4745 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 4746 if (sc->tulip_mediums[media] != NULL) { 4747 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 4748 cnt++; 4749 } 4750 } 4751 if (cnt == 1) { 4752 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 4753 printf(" none\n"); 4754 } else { 4755 printf("\n"); 4756 } 4757 } 4758#endif 4759 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4760#if defined(IFM_ETHER) 4761 tulip_ifmedia_add(sc); 4762#endif 4763 4764 tulip_reset(sc); 4765 4766#if defined(__bsdi__) && _BSDI_VERSION >= 199510 4767 sc->tulip_pf = printf; 4768 TULIP_ETHER_IFATTACH(sc); 4769#else 4770 if_attach(ifp); 4771#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 4772 TULIP_ETHER_IFATTACH(sc); 4773#endif 4774#endif /* __bsdi__ */ 4775 4776#if NBPFILTER > 0 4777 TULIP_BPF_ATTACH(sc); 4778#endif 4779 4780#if defined(__NetBSD__) && NRND > 0 4781 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 4782 RND_TYPE_NET); 4783#endif 4784} 4785 4786static void 4787tulip_initcsrs( 4788 tulip_softc_t * const sc, 4789 tulip_csrptr_t csr_base, 4790 size_t csr_size) 4791{ 4792 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4793 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4794 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4795 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4796 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4797 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4798 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4799 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4800 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4801 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4802 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4803 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4804 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4805 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4806 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4807 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4808#if defined(TULIP_EISA) 4809 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 4810#endif 4811} 4812 4813static void 4814tulip_initring( 4815 tulip_softc_t * const sc, 4816 tulip_ringinfo_t * const ri, 4817 tulip_desc_t *descs, 4818 int ndescs) 4819{ 4820 ri->ri_max = ndescs; 4821 ri->ri_first = descs; 4822 ri->ri_last = ri->ri_first + ri->ri_max; 4823 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4824 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4825} 4826 4827/* 4828 * This is the PCI configuration support. Since the 21040 is available 4829 * on both EISA and PCI boards, one must be careful in how defines the 4830 * 21040 in the config file. 4831 */ 4832 4833#define PCI_CFID 0x00 /* Configuration ID */ 4834#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 4835#define PCI_CFRV 0x08 /* Configuration Revision */ 4836#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 4837#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4838#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4839#define PCI_CFIT 0x3c /* Configuration Interrupt */ 4840#define PCI_CFDA 0x40 /* Configuration Driver Area */ 4841 4842#if defined(TULIP_EISA) 4843static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 4844#endif 4845 4846#if defined(__FreeBSD__) 4847 4848#define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 4849#define TULIP_SHUTDOWN_ARGS int howto, void * arg 4850 4851#if defined(TULIP_DEVCONF) 4852static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 4853 4854static int 4855tulip_pci_shutdown( 4856 struct kern_devconf * const kdc, 4857 int force) 4858{ 4859 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 4860 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 4861 if (sc != NULL) 4862 tulip_shutdown(0, sc); 4863 } 4864 (void) dev_detach(kdc); 4865 return 0; 4866} 4867#endif 4868 4869static char* 4870tulip_pci_probe( 4871 pcici_t config_id, 4872 pcidi_t device_id) 4873{ 4874 if (PCI_VENDORID(device_id) != DEC_VENDORID) 4875 return NULL; 4876 if (PCI_CHIPID(device_id) == CHIPID_21040) 4877 return "Digital 21040 Ethernet"; 4878 if (PCI_CHIPID(device_id) == CHIPID_21041) 4879 return "Digital 21041 Ethernet"; 4880 if (PCI_CHIPID(device_id) == CHIPID_21140) { 4881 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 4882 if (revinfo >= 0x20) 4883 return "Digital 21140A Fast Ethernet"; 4884 else 4885 return "Digital 21140 Fast Ethernet"; 4886 } 4887 if (PCI_CHIPID(device_id) == CHIPID_21142) { 4888 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 4889 if (revinfo >= 0x20) 4890 return "Digital 21143 Fast Ethernet"; 4891 else 4892 return "Digital 21142 Fast Ethernet"; 4893 } 4894 return NULL; 4895} 4896 4897static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 4898static u_long tulip_pci_count; 4899 4900struct pci_device dedevice = { 4901 "de", 4902 tulip_pci_probe, 4903 tulip_pci_attach, 4904 &tulip_pci_count, 4905#if defined(TULIP_DEVCONF) 4906 tulip_pci_shutdown, 4907#endif 4908}; 4909 4910DATA_SET (pcidevice_set, dedevice); 4911#endif /* __FreeBSD__ */ 4912 4913#if defined(__bsdi__) 4914#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 4915#define TULIP_SHUTDOWN_ARGS void *arg 4916 4917static int 4918tulip_pci_match( 4919 pci_devaddr_t *pa) 4920{ 4921 int irq; 4922 unsigned id; 4923 4924 id = pci_inl(pa, PCI_VENDOR_ID); 4925 if (PCI_VENDORID(id) != DEC_VENDORID) 4926 return 0; 4927 id = PCI_CHIPID(id); 4928 if (id != CHIPID_21040 && id != CHIPID_21041 4929 && id != CHIPID_21140 && id != CHIPID_21142) 4930 return 0; 4931 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 4932 if (irq == 0 || irq >= 16) { 4933 printf("de?: invalid IRQ %d; skipping\n", irq); 4934 return 0; 4935 } 4936 return 1; 4937} 4938 4939static int 4940tulip_probe( 4941 struct device *parent, 4942 struct cfdata *cf, 4943 void *aux) 4944{ 4945 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 4946 unsigned irq, slot; 4947 pci_devaddr_t *pa; 4948 4949#if _BSDI_VERSION >= 199401 4950 switch (ia->ia_bustype) { 4951 case BUS_PCI: 4952#endif 4953 pa = pci_scan(tulip_pci_match); 4954 if (pa == NULL) 4955 return 0; 4956 4957 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 4958 4959 /* Get the base address; assume the BIOS set it up correctly */ 4960#if defined(TULIP_IOMAPPED) 4961 ia->ia_maddr = NULL; 4962 ia->ia_msize = 0; 4963 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 4964 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 4965 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 4966 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 4967 4968 /* Disable memory space access */ 4969 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 4970#else 4971 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 4972 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 4973 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 4974 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 4975 ia->ia_iobase = 0; 4976 ia->ia_iosize = 0; 4977 4978 /* Disable I/O space access */ 4979 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 4980#endif /* TULIP_IOMAPPED */ 4981 4982 ia->ia_aux = (void *) pa; 4983#if _BSDI_VERSION >= 199401 4984 break; 4985 4986#if defined(TULIP_EISA) 4987 case BUS_EISA: { 4988 unsigned tmp; 4989 4990 if ((slot = eisa_match(cf, ia)) == 0) 4991 return 0; 4992 ia->ia_iobase = slot << 12; 4993 ia->ia_iosize = EISA_NPORT; 4994 eisa_slotalloc(slot); 4995 tmp = inb(ia->ia_iobase + DE425_CFG0); 4996 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 4997 /* 4998 * Until BSD/OS likes level interrupts, force 4999 * the DE425 into edge-triggered mode. 5000 */ 5001 if ((tmp & 1) == 0) 5002 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5003 /* 5004 * CBIO needs to map to the EISA slot 5005 * enable I/O access and Master 5006 */ 5007 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5008 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5009 ia->ia_aux = NULL; 5010 break; 5011 } 5012#endif /* TULIP_EISA */ 5013 default: 5014 return 0; 5015 } 5016#endif 5017 5018 /* PCI bus masters don't use host DMA channels */ 5019 ia->ia_drq = DRQNONE; 5020 5021 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5022 printf("de%d: error: desired IRQ of %d does not match device's " 5023 "actual IRQ of %d,\n", 5024 cf->cf_unit, 5025 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5026 return 0; 5027 } 5028 if (ia->ia_irq == IRQUNK) 5029 ia->ia_irq = irq; 5030#ifdef IRQSHARE 5031 ia->ia_irq |= IRQSHARE; 5032#endif 5033 return 1; 5034} 5035 5036static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5037 5038#if defined(TULIP_EISA) 5039static char *tulip_eisa_ids[] = { 5040 "DEC4250", 5041 NULL 5042}; 5043#endif 5044 5045struct cfdriver decd = { 5046 0, "de", tulip_probe, tulip_pci_attach, 5047#if _BSDI_VERSION >= 199401 5048 DV_IFNET, 5049#endif 5050 sizeof(tulip_softc_t), 5051#if defined(TULIP_EISA) 5052 tulip_eisa_ids 5053#endif 5054}; 5055 5056#endif /* __bsdi__ */ 5057 5058#if defined(__NetBSD__) 5059#define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5060#define TULIP_SHUTDOWN_ARGS void *arg 5061static int 5062tulip_pci_probe( 5063 struct device *parent, 5064#ifdef __BROKEN_INDIRECT_CONFIG 5065 void *match, 5066#else 5067 struct cfdata *match, 5068#endif 5069 void *aux) 5070{ 5071 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5072 5073 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5074 return 0; 5075 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5076 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5077 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5078 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5079 return 1; 5080 5081 return 0; 5082} 5083 5084static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5085 5086struct cfattach de_ca = { 5087 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5088}; 5089 5090struct cfdriver de_cd = { 5091 0, "de", DV_IFNET 5092}; 5093 5094#endif /* __NetBSD__ */ 5095 5096static void 5097tulip_shutdown( 5098 TULIP_SHUTDOWN_ARGS) 5099{ 5100 tulip_softc_t * const sc = arg; 5101 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5102 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5103 33MHz that comes to two microseconds but wait a 5104 bit longer anyways) */ 5105} 5106 5107static void 5108tulip_pci_attach( 5109 TULIP_PCI_ATTACH_ARGS) 5110{ 5111#if defined(__FreeBSD__) 5112 tulip_softc_t *sc; 5113#define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5114#define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5115#if __FreeBSD__ >= 3 5116#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = (config_id->bus), /* XXX */ \ 5117 (sc)->tulip_pci_devno = (config_id->slot))) /* XXX */ 5118#else 5119#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5120 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5121#endif 5122#endif 5123#if defined(__bsdi__) 5124 tulip_softc_t * const sc = (tulip_softc_t *) self; 5125 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5126 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5127 const int unit = sc->tulip_dev.dv_unit; 5128#define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5129#define PCI_CONF_READ(r) pci_inl(pa, (r)) 5130#define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5131 (sc)->tulip_pci_devno = pa->d_agent)) 5132#endif 5133#if defined(__NetBSD__) 5134 tulip_softc_t * const sc = (tulip_softc_t *) self; 5135 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5136 const int unit = sc->tulip_dev.dv_unit; 5137#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5138#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5139#define PCI_GETBUSDEVINFO(sc) do { \ 5140 (sc)->tulip_pci_busno = parent; \ 5141 (sc)->tulip_pci_devno = pa->pa_device; \ 5142 } while (0) 5143#endif /* __NetBSD__ */ 5144#if defined(__alpha__) 5145 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5146#endif 5147 int retval, idx; 5148 u_int32_t revinfo, cfdainfo, id; 5149#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5150 vm_offset_t pa_csrs; 5151#endif 5152 unsigned csroffset = TULIP_PCI_CSROFFSET; 5153 unsigned csrsize = TULIP_PCI_CSRSIZE; 5154 tulip_csrptr_t csr_base; 5155 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5156 5157 if (unit >= TULIP_MAX_DEVICES) { 5158#ifdef __FreeBSD__ 5159 printf("de%d", unit); 5160#endif 5161 printf(": not configured; limit of %d reached or exceeded\n", 5162 TULIP_MAX_DEVICES); 5163 return; 5164 } 5165 5166#if defined(__bsdi__) 5167 if (pa != NULL) { 5168 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5169 id = pci_inl(pa, PCI_CFID); 5170 cfdainfo = pci_inl(pa, PCI_CFDA); 5171#if defined(TULIP_EISA) 5172 } else { 5173 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5174 csroffset = TULIP_EISA_CSROFFSET; 5175 csrsize = TULIP_EISA_CSRSIZE; 5176 chipid = TULIP_DE425; 5177 cfdainfo = 0; 5178#endif /* TULIP_EISA */ 5179 } 5180#else /* __bsdi__ */ 5181 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5182 id = PCI_CONF_READ(PCI_CFID); 5183 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5184#endif /* __bsdi__ */ 5185 5186 if (PCI_VENDORID(id) == DEC_VENDORID) { 5187 if (PCI_CHIPID(id) == CHIPID_21040) chipid = TULIP_21040; 5188 else if (PCI_CHIPID(id) == CHIPID_21140) { 5189 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5190 } else if (PCI_CHIPID(id) == CHIPID_21142) { 5191 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5192 } 5193 else if (PCI_CHIPID(id) == CHIPID_21041) chipid = TULIP_21041; 5194 else if (PCI_CHIPID(id) == CHIPID_21142) chipid = TULIP_21142; 5195 } 5196 if (chipid == TULIP_CHIPID_UNKNOWN) 5197 return; 5198 5199 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5200#ifdef __FreeBSD__ 5201 printf("de%d", unit); 5202#endif 5203 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5204 revinfo >> 4, revinfo & 0x0f); 5205 return; 5206 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5207#ifndef __FreeBSD__ 5208 printf("\n"); 5209#endif 5210 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5211 unit, revinfo >> 4, revinfo & 0x0f); 5212 return; 5213 } 5214 5215#if defined(__FreeBSD__) 5216 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5217 if (sc == NULL) 5218 return; 5219 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5220 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5221 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5222 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5223 if (sc->tulip_rxdescs) 5224 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5225 if (sc->tulip_txdescs) 5226 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5227 free((caddr_t) sc, M_DEVBUF); 5228 return; 5229 } 5230#endif 5231 5232 PCI_GETBUSDEVINFO(sc); 5233 sc->tulip_chipid = chipid; 5234 sc->tulip_flags |= TULIP_DEVICEPROBE; 5235 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5236 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5237 if (chipid == TULIP_21140A && revinfo <= 0x22) 5238 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5239 if (chipid == TULIP_21140) 5240 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5241 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5242 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5243 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5244 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5245 if (chipid != TULIP_21041 || sc->tulip_revinfo >= 0x20) 5246 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5247 if (chipid != TULIP_21041) 5248 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5249 if (chipid != TULIP_21041 && sc->tulip_revinfo >= 0x20) 5250 sc->tulip_features |= TULIP_HAVE_SIA100; 5251 } 5252 5253 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5254 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5255 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5256 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5257 DELAY(11*1000); 5258 } 5259#if defined(__alpha__) && defined(__NetBSD__) 5260 /* 5261 * The Alpha SRM console encodes a console set media in the driver 5262 * part of the CFDA register. Note that the Multia presents a 5263 * problem in that its BNC mode is really EXTSIA. So in that case 5264 * force a probe. 5265 */ 5266 switch ((cfdainfo >> 8) & 0xff) { 5267 case 1: media = chipid > TULIP_DE425 ? 5268 TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5269 case 2: media = chipid > TULIP_DE425 ? 5270 TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5271 case 3: media = TULIP_MEDIA_10BASET; break; 5272 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5273 case 5: media = TULIP_MEDIA_100BASETX; break; 5274 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5275 } 5276#endif 5277 5278#if defined(__NetBSD__) 5279 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5280 sc->tulip_if.if_softc = sc; 5281 sc->tulip_pc = pa->pa_pc; 5282#else 5283 sc->tulip_unit = unit; 5284 sc->tulip_name = "de"; 5285#endif 5286 sc->tulip_revinfo = revinfo; 5287#if defined(__FreeBSD__) 5288#if BSD >= 199506 5289 sc->tulip_if.if_softc = sc; 5290#endif 5291#if defined(TULIP_IOMAPPED) 5292 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5293#else 5294 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5295#endif 5296 if (!retval) { 5297 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5298 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5299 free((caddr_t) sc, M_DEVBUF); 5300 return; 5301 } 5302 tulips[unit] = sc; 5303#endif /* __FreeBSD__ */ 5304 5305#if defined(__bsdi__) 5306 sc->tulip_pf = printf; 5307#if defined(TULIP_IOMAPPED) 5308 csr_base = ia->ia_iobase; 5309#else 5310 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5311#endif 5312#endif /* __bsdi__ */ 5313 5314#if defined(__NetBSD__) 5315 csr_base = 0; 5316 { 5317 bus_space_tag_t iot, memt; 5318 bus_space_handle_t ioh, memh; 5319 int ioh_valid, memh_valid; 5320 5321 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5322 &iot, &ioh, NULL, NULL) == 0); 5323 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5324 PCI_MAPREG_TYPE_MEM | 5325 PCI_MAPREG_MEM_TYPE_32BIT, 5326 0, &memt, &memh, NULL, NULL) == 0); 5327 if (memh_valid) { 5328 sc->tulip_bustag = memt; 5329 sc->tulip_bushandle = memh; 5330 } else if (ioh_valid) { 5331 sc->tulip_bustag = iot; 5332 sc->tulip_bushandle = ioh; 5333 } else { 5334 printf(": unable to map device registers\n"); 5335 return; 5336 } 5337 } 5338#endif /* __NetBSD__ */ 5339 5340 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5341 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5342 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5343 5344 /* 5345 * Make sure there won't be any interrupts or such... 5346 */ 5347 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5348 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5349 33MHz that comes to two microseconds but wait a 5350 bit longer anyways) */ 5351 5352 if ((retval = tulip_read_macaddr(sc)) < 0) { 5353#if defined(__FreeBSD__) 5354 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5355#endif 5356 printf(": can't read ENET ROM (why=%d) (", retval); 5357 for (idx = 0; idx < 32; idx++) 5358 printf("%02x", sc->tulip_rombuf[idx]); 5359 printf("\n"); 5360 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n", 5361 TULIP_PRINTF_ARGS, 5362 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5363 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5364 printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS); 5365 } else { 5366 tulip_spl_t s; 5367 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5368 5369 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5370 intr_rtn = tulip_intr_shared; 5371 5372#if defined(__NetBSD__) 5373 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5374 pci_intr_handle_t intrhandle; 5375 const char *intrstr; 5376 5377 if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin, 5378 pa->pa_intrline, &intrhandle)) { 5379 printf(": couldn't map interrupt\n"); 5380 return; 5381 } 5382 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5383 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5384 intr_rtn, sc); 5385 if (sc->tulip_ih == NULL) 5386 printf(": couldn't establish interrupt"); 5387 if (intrstr != NULL) 5388 printf(" at %s", intrstr); 5389 printf("\n"); 5390 if (sc->tulip_ih == NULL) 5391 return; 5392 } 5393 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5394 if (sc->tulip_ats == NULL) 5395 printf("\n%s: warning: couldn't establish shutdown hook\n", 5396 sc->tulip_xname); 5397#endif 5398#if defined(__FreeBSD__) 5399 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5400 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5401 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5402 TULIP_PRINTF_ARGS); 5403 return; 5404 } 5405 } 5406#if !defined(TULIP_DEVCONF) 5407 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5408#endif 5409#endif 5410#if defined(__bsdi__) 5411 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5412 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5413 5414 sc->tulip_ih.ih_fun = intr_rtn; 5415 sc->tulip_ih.ih_arg = (void *) sc; 5416 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5417 } 5418 5419 sc->tulip_ats.func = tulip_shutdown; 5420 sc->tulip_ats.arg = (void *) sc; 5421 atshutdown(&sc->tulip_ats, ATSH_ADD); 5422#endif 5423#if defined(TULIP_USE_SOFTINTR) 5424 if (sc->tulip_unit > tulip_softintr_max_unit) 5425 tulip_softintr_max_unit = sc->tulip_unit; 5426#endif 5427 5428 s = TULIP_RAISESPL(); 5429 tulip_reset(sc); 5430 tulip_attach(sc); 5431#if defined(__alpha__) && defined(__NetBSD__) 5432 if (media != TULIP_MEDIA_UNKNOWN) 5433 tulip_linkup(sc, media); 5434#endif 5435 TULIP_RESTORESPL(s); 5436 } 5437} 5438