if_de.c revision 60102
1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 3/* $FreeBSD: head/sys/dev/de/if_de.c 60102 2000-05-06 15:53:59Z jlemon $ */ 4 5/*- 6 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. The name of the author may not be used to endorse or promote products 15 * derived from this software withough specific prior written permission 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 29 * 30 */ 31 32/* 33 * DEC 21040 PCI Ethernet Controller 34 * 35 * Written by Matt Thomas 36 * BPF support code stolen directly from if_ec.c 37 * 38 * This driver supports the DEC DE435 or any other PCI 39 * board which support 21040, 21041, or 21140 (mostly). 40 */ 41#define TULIP_HDR_DATA 42 43#include <sys/param.h> 44#include <sys/systm.h> 45#include <sys/mbuf.h> 46#include <sys/socket.h> 47#include <sys/sockio.h> 48#include <sys/malloc.h> 49#include <sys/kernel.h> 50#include <sys/eventhandler.h> 51#include <machine/clock.h> 52#include <machine/bus.h> 53#include <machine/resource.h> 54#include <sys/bus.h> 55#include <sys/rman.h> 56 57#include "opt_inet.h" 58#include "opt_ipx.h" 59 60#include <net/if.h> 61#include <net/if_media.h> 62#include <net/if_dl.h> 63#ifdef TULIP_USE_SOFTINTR 64#include <net/netisr.h> 65#endif 66 67#include <net/bpf.h> 68 69#ifdef INET 70#include <netinet/in.h> 71#include <netinet/if_ether.h> 72#endif 73 74#ifdef IPX 75#include <netipx/ipx.h> 76#include <netipx/ipx_if.h> 77#endif 78 79#ifdef NS 80#include <netns/ns.h> 81#include <netns/ns_if.h> 82#endif 83 84#include <vm/vm.h> 85 86#include <net/if_var.h> 87#include <vm/pmap.h> 88#include <pci/pcivar.h> 89#include <pci/pcireg.h> 90#include <pci/dc21040reg.h> 91 92#include "opt_bdg.h" 93#ifdef BRIDGE 94#include <net/bridge.h> 95#endif 96 97/* 98 * Intel CPUs should use I/O mapped access. 99 */ 100#if defined(__i386__) 101#define TULIP_IOMAPPED 102#endif 103 104#if 0 105/* 106 * This turns on all sort of debugging stuff and make the 107 * driver much larger. 108 */ 109#define TULIP_DEBUG 110#endif 111 112#if 0 113#define TULIP_PERFSTATS 114#endif 115 116#if 0 117#define TULIP_USE_SOFTINTR 118#endif 119 120#define TULIP_HZ 10 121 122#include <pci/if_devar.h> 123 124/* 125 * This module supports 126 * the DEC 21040 PCI Ethernet Controller. 127 * the DEC 21041 PCI Ethernet Controller. 128 * the DEC 21140 PCI Fast Ethernet Controller. 129 */ 130static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 131static void tulip_intr_shared(void *arg); 132static void tulip_intr_normal(void *arg); 133static void tulip_init(tulip_softc_t * const sc); 134static void tulip_reset(tulip_softc_t * const sc); 135static void tulip_ifstart_one(struct ifnet *ifp); 136static void tulip_ifstart(struct ifnet *ifp); 137static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 138static void tulip_txput_setup(tulip_softc_t * const sc); 139static void tulip_rx_intr(tulip_softc_t * const sc); 140static void tulip_addr_filter(tulip_softc_t * const sc); 141static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 142static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 143static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 144static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 145static int tulip_srom_decode(tulip_softc_t * const sc); 146static int tulip_ifmedia_change(struct ifnet * const ifp); 147static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 148/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 149 150static void 151tulip_timeout_callback( 152 void *arg) 153{ 154 tulip_softc_t * const sc = arg; 155 int s = splimp(); 156 157 TULIP_PERFSTART(timeout) 158 159 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 160 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 161 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 162 163 TULIP_PERFEND(timeout); 164 splx(s); 165} 166 167static void 168tulip_timeout( 169 tulip_softc_t * const sc) 170{ 171 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 172 return; 173 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 174 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 175} 176 177#if defined(TULIP_NEED_FASTTIMEOUT) 178static void 179tulip_fasttimeout_callback( 180 void *arg) 181{ 182 tulip_softc_t * const sc = arg; 183 int s = splimp(); 184 185 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 186 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 187 splx(s); 188} 189 190static void 191tulip_fasttimeout( 192 tulip_softc_t * const sc) 193{ 194 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 195 return; 196 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 197 timeout(tulip_fasttimeout_callback, sc, 1); 198} 199#endif 200 201static int 202tulip_txprobe( 203 tulip_softc_t * const sc) 204{ 205 struct mbuf *m; 206 /* 207 * Before we are sure this is the right media we need 208 * to send a small packet to make sure there's carrier. 209 * Strangely, BNC and AUI will "see" receive data if 210 * either is connected so the transmit is the only way 211 * to verify the connectivity. 212 */ 213 MGETHDR(m, M_DONTWAIT, MT_DATA); 214 if (m == NULL) 215 return 0; 216 /* 217 * Construct a LLC TEST message which will point to ourselves. 218 */ 219 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 220 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 221 mtod(m, struct ether_header *)->ether_type = htons(3); 222 mtod(m, unsigned char *)[14] = 0; 223 mtod(m, unsigned char *)[15] = 0; 224 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 225 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 226 /* 227 * send it! 228 */ 229 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 230 sc->tulip_intrmask |= TULIP_STS_TXINTR; 231 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 232 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 233 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 234 if ((m = tulip_txput(sc, m)) != NULL) 235 m_freem(m); 236 sc->tulip_probe.probe_txprobes++; 237 return 1; 238} 239 240#ifdef BIG_PACKET 241#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 242#else 243#define TULIP_SIAGEN_WATCHDOG 0 244#endif 245 246static void 247tulip_media_set( 248 tulip_softc_t * const sc, 249 tulip_media_t media) 250{ 251 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 252 253 if (mi == NULL) 254 return; 255 256 /* 257 * If we are switching media, make sure we don't think there's 258 * any stale RX activity 259 */ 260 sc->tulip_flags &= ~TULIP_RXACT; 261 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 262 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 263 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 264 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 265 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 266 DELAY(50); 267 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 268 } else { 269 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 270 } 271 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 272 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 273#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 274 /* 275 * If the cmdmode bits don't match the currently operating mode, 276 * set the cmdmode appropriately and reset the chip. 277 */ 278 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 279 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 280 sc->tulip_cmdmode |= mi->mi_cmdmode; 281 tulip_reset(sc); 282 } 283 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 284 DELAY(10); 285 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 286 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 287 /* 288 * If the cmdmode bits don't match the currently operating mode, 289 * set the cmdmode appropriately and reset the chip. 290 */ 291 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 292 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 293 sc->tulip_cmdmode |= mi->mi_cmdmode; 294 tulip_reset(sc); 295 } 296 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 297 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 298 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 299 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 300 int idx; 301 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 302 const u_int8_t *dp; 303 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 304 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 305 DELAY(10); 306 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 307 } 308 sc->tulip_phyaddr = mi->mi_phyaddr; 309 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 310 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 311 DELAY(10); 312 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 313 } 314 } else { 315 for (idx = 0; idx < mi->mi_reset_length; idx++) { 316 DELAY(10); 317 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 318 } 319 sc->tulip_phyaddr = mi->mi_phyaddr; 320 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 321 DELAY(10); 322 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 323 } 324 } 325 if (sc->tulip_flags & TULIP_TRYNWAY) { 326 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 327 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 328 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 329 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 330 sc->tulip_flags &= ~TULIP_DIDNWAY; 331 if (TULIP_IS_MEDIA_FD(media)) 332 data |= PHYCTL_FULL_DUPLEX; 333 if (TULIP_IS_MEDIA_100MB(media)) 334 data |= PHYCTL_SELECT_100MB; 335 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 336 } 337 } 338} 339 340static void 341tulip_linkup( 342 tulip_softc_t * const sc, 343 tulip_media_t media) 344{ 345 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 346 sc->tulip_flags |= TULIP_PRINTLINKUP; 347 sc->tulip_flags |= TULIP_LINKUP; 348 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 349#if 0 /* XXX how does with work with ifmedia? */ 350 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 351 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 352 if (TULIP_CAN_MEDIA_FD(media) 353 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 354 media = TULIP_FD_MEDIA_OF(media); 355 } else { 356 if (TULIP_IS_MEDIA_FD(media) 357 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 358 media = TULIP_HD_MEDIA_OF(media); 359 } 360 } 361#endif 362 if (sc->tulip_media != media) { 363#ifdef TULIP_DEBUG 364 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 365#endif 366 sc->tulip_media = media; 367 sc->tulip_flags |= TULIP_PRINTMEDIA; 368 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 369 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 370 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 371 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 372 } 373 } 374 /* 375 * We could set probe_timeout to 0 but setting to 3000 puts this 376 * in one central place and the only matters is tulip_link is 377 * followed by a tulip_timeout. Therefore setting it should not 378 * result in aberrant behavour. 379 */ 380 sc->tulip_probe_timeout = 3000; 381 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 382 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 383 if (sc->tulip_flags & TULIP_INRESET) { 384 tulip_media_set(sc, sc->tulip_media); 385 } else if (sc->tulip_probe_media != sc->tulip_media) { 386 /* 387 * No reason to change media if we have the right media. 388 */ 389 tulip_reset(sc); 390 } 391 tulip_init(sc); 392} 393 394static void 395tulip_media_print( 396 tulip_softc_t * const sc) 397{ 398 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 399 return; 400 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 401 printf("%s%d: enabling %s port\n", 402 sc->tulip_name, sc->tulip_unit, 403 tulip_mediums[sc->tulip_media]); 404 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 405 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 406 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 407 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 408 } 409} 410 411#if defined(TULIP_DO_GPR_SENSE) 412static tulip_media_t 413tulip_21140_gpr_media_sense( 414 tulip_softc_t * const sc) 415{ 416 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 417 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 418 tulip_media_t media; 419 420 /* 421 * If one of the media blocks contained a default media flag, 422 * use that. 423 */ 424 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 425 const tulip_media_info_t *mi; 426 /* 427 * Media is not supported (or is full-duplex). 428 */ 429 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 430 continue; 431 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 432 continue; 433 434 /* 435 * Remember the media is this is the "default" media. 436 */ 437 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 438 maybe_media = media; 439 440 /* 441 * No activity mask? Can't see if it is active if there's no mask. 442 */ 443 if (mi->mi_actmask == 0) 444 continue; 445 446 /* 447 * Does the activity data match? 448 */ 449 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 450 continue; 451 452#if defined(TULIP_DEBUG) 453 printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 454 sc->tulip_name, sc->tulip_unit, tulip_mediums[media], 455 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 456 mi->mi_actmask, mi->mi_actdata); 457#endif 458 /* 459 * It does! If this is the first media we detected, then 460 * remember this media. If isn't the first, then there were 461 * multiple matches which we equate to no match (since we don't 462 * which to select (if any). 463 */ 464 if (last_media == TULIP_MEDIA_UNKNOWN) { 465 last_media = media; 466 } else if (last_media != media) { 467 last_media = TULIP_MEDIA_UNKNOWN; 468 } 469 } 470 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 471} 472#endif /* TULIP_DO_GPR_SENSE */ 473 474static tulip_link_status_t 475tulip_media_link_monitor( 476 tulip_softc_t * const sc) 477{ 478 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 479 tulip_link_status_t linkup = TULIP_LINK_DOWN; 480 481 if (mi == NULL) { 482#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 483 panic("tulip_media_link_monitor: %s: botch at line %d\n", 484 tulip_mediums[sc->tulip_media],__LINE__); 485#endif 486 return TULIP_LINK_UNKNOWN; 487 } 488 489 490 /* 491 * Have we seen some packets? If so, the link must be good. 492 */ 493 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 494 sc->tulip_flags &= ~TULIP_RXACT; 495 sc->tulip_probe_timeout = 3000; 496 return TULIP_LINK_UP; 497 } 498 499 sc->tulip_flags &= ~TULIP_RXACT; 500 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 501 u_int32_t status; 502 /* 503 * Read the PHY status register. 504 */ 505 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 506 if (status & PHYSTS_AUTONEG_DONE) { 507 /* 508 * If the PHY has completed autonegotiation, see the if the 509 * remote systems abilities have changed. If so, upgrade or 510 * downgrade as appropriate. 511 */ 512 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 513 abilities = (abilities << 6) & status; 514 if (abilities != sc->tulip_abilities) { 515#if defined(TULIP_DEBUG) 516 loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 517 sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr, 518 sc->tulip_abilities, abilities); 519#endif 520 if (tulip_mii_map_abilities(sc, abilities)) { 521 tulip_linkup(sc, sc->tulip_probe_media); 522 return TULIP_LINK_UP; 523 } 524 /* 525 * if we had selected media because of autonegotiation, 526 * we need to probe for the new media. 527 */ 528 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 529 if (sc->tulip_flags & TULIP_DIDNWAY) 530 return TULIP_LINK_DOWN; 531 } 532 } 533 /* 534 * The link is now up. If was down, say its back up. 535 */ 536 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 537 linkup = TULIP_LINK_UP; 538 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 539 /* 540 * No activity sensor? Assume all's well. 541 */ 542 if (mi->mi_actmask == 0) 543 return TULIP_LINK_UNKNOWN; 544 /* 545 * Does the activity data match? 546 */ 547 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 548 linkup = TULIP_LINK_UP; 549 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 550 /* 551 * Assume non TP ok for now. 552 */ 553 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 554 return TULIP_LINK_UNKNOWN; 555 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 556 linkup = TULIP_LINK_UP; 557#if defined(TULIP_DEBUG) 558 if (sc->tulip_probe_timeout <= 0) 559 printf("%s%d: sia status = 0x%08x\n", sc->tulip_name, 560 sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status)); 561#endif 562 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 563 return TULIP_LINK_UNKNOWN; 564 } 565 /* 566 * We will wait for 3 seconds until the link goes into suspect mode. 567 */ 568 if (sc->tulip_flags & TULIP_LINKUP) { 569 if (linkup == TULIP_LINK_UP) 570 sc->tulip_probe_timeout = 3000; 571 if (sc->tulip_probe_timeout > 0) 572 return TULIP_LINK_UP; 573 574 sc->tulip_flags &= ~TULIP_LINKUP; 575 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 576 } 577#if defined(TULIP_DEBUG) 578 sc->tulip_dbg.dbg_link_downed++; 579#endif 580 return TULIP_LINK_DOWN; 581} 582 583static void 584tulip_media_poll( 585 tulip_softc_t * const sc, 586 tulip_mediapoll_event_t event) 587{ 588#if defined(TULIP_DEBUG) 589 sc->tulip_dbg.dbg_events[event]++; 590#endif 591 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 592 && event == TULIP_MEDIAPOLL_TIMER) { 593 switch (tulip_media_link_monitor(sc)) { 594 case TULIP_LINK_DOWN: { 595 /* 596 * Link Monitor failed. Probe for new media. 597 */ 598 event = TULIP_MEDIAPOLL_LINKFAIL; 599 break; 600 } 601 case TULIP_LINK_UP: { 602 /* 603 * Check again soon. 604 */ 605 tulip_timeout(sc); 606 return; 607 } 608 case TULIP_LINK_UNKNOWN: { 609 /* 610 * We can't tell so don't bother. 611 */ 612 return; 613 } 614 } 615 } 616 617 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 618 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 619 if (TULIP_DO_AUTOSENSE(sc)) { 620#if defined(TULIP_DEBUG) 621 sc->tulip_dbg.dbg_link_failures++; 622#endif 623 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 624 if (sc->tulip_if.if_flags & IFF_UP) 625 tulip_reset(sc); /* restart probe */ 626 } 627 return; 628 } 629#if defined(TULIP_DEBUG) 630 sc->tulip_dbg.dbg_link_pollintrs++; 631#endif 632 } 633 634 if (event == TULIP_MEDIAPOLL_START) { 635 sc->tulip_if.if_flags |= IFF_OACTIVE; 636 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 637 return; 638 sc->tulip_probe_mediamask = 0; 639 sc->tulip_probe_passes = 0; 640#if defined(TULIP_DEBUG) 641 sc->tulip_dbg.dbg_media_probes++; 642#endif 643 /* 644 * If the SROM contained an explicit media to use, use it. 645 */ 646 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 647 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 648 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 649 /* 650 * connidx is defaulted to a media_unknown type. 651 */ 652 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 653 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 654 tulip_linkup(sc, sc->tulip_probe_media); 655 tulip_timeout(sc); 656 return; 657 } 658 659 if (sc->tulip_features & TULIP_HAVE_GPR) { 660 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 661 sc->tulip_probe_timeout = 2000; 662 } else { 663 sc->tulip_probe_media = TULIP_MEDIA_MAX; 664 sc->tulip_probe_timeout = 0; 665 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 666 } 667 } 668 669 /* 670 * Ignore txprobe failures or spurious callbacks. 671 */ 672 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 673 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 674 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 675 return; 676 } 677 678 /* 679 * If we really transmitted a packet, then that's the media we'll use. 680 */ 681 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 682 if (event == TULIP_MEDIAPOLL_LINKPASS) { 683 /* XXX Check media status just to be sure */ 684 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 685#if defined(TULIP_DEBUG) 686 } else { 687 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 688#endif 689 } 690 tulip_linkup(sc, sc->tulip_probe_media); 691 tulip_timeout(sc); 692 return; 693 } 694 695 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 696#if defined(TULIP_DO_GPR_SENSE) 697 /* 698 * Check for media via the general purpose register. 699 * 700 * Try to sense the media via the GPR. If the same value 701 * occurs 3 times in a row then just use that. 702 */ 703 if (sc->tulip_probe_timeout > 0) { 704 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 705#if defined(TULIP_DEBUG) 706 printf("%s%d: media_poll: gpr sensing = %s\n", 707 sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]); 708#endif 709 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 710 if (new_probe_media == sc->tulip_probe_media) { 711 if (--sc->tulip_probe_count == 0) 712 tulip_linkup(sc, sc->tulip_probe_media); 713 } else { 714 sc->tulip_probe_count = 10; 715 } 716 } 717 sc->tulip_probe_media = new_probe_media; 718 tulip_timeout(sc); 719 return; 720 } 721#endif /* TULIP_DO_GPR_SENSE */ 722 /* 723 * Brute force. We cycle through each of the media types 724 * and try to transmit a packet. 725 */ 726 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 727 sc->tulip_probe_media = TULIP_MEDIA_MAX; 728 sc->tulip_probe_timeout = 0; 729 tulip_timeout(sc); 730 return; 731 } 732 733 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 734 && (sc->tulip_features & TULIP_HAVE_MII)) { 735 tulip_media_t old_media = sc->tulip_probe_media; 736 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 737 switch (sc->tulip_probe_state) { 738 case TULIP_PROBE_FAILED: 739 case TULIP_PROBE_MEDIATEST: { 740 /* 741 * Try the next media. 742 */ 743 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 744 sc->tulip_probe_timeout = 0; 745#ifdef notyet 746 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 747 break; 748 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 749 break; 750 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 751#endif 752 break; 753 } 754 case TULIP_PROBE_PHYAUTONEG: { 755 return; 756 } 757 case TULIP_PROBE_INACTIVE: { 758 /* 759 * Only probe if we autonegotiated a media that hasn't failed. 760 */ 761 sc->tulip_probe_timeout = 0; 762 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 763 sc->tulip_probe_media = old_media; 764 break; 765 } 766 tulip_linkup(sc, sc->tulip_probe_media); 767 tulip_timeout(sc); 768 return; 769 } 770 default: { 771#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 772 panic("tulip_media_poll: botch at line %d\n", __LINE__); 773#endif 774 break; 775 } 776 } 777 } 778 779 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 780#if defined(TULIP_DEBUG) 781 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 782#endif 783 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 784 return; 785 } 786 787 /* 788 * switch to another media if we tried this one enough. 789 */ 790 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 791#if defined(TULIP_DEBUG) 792 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 793 printf("%s%d: poll media unknown!\n", 794 sc->tulip_name, sc->tulip_unit); 795 sc->tulip_probe_media = TULIP_MEDIA_MAX; 796 } 797#endif 798 /* 799 * Find the next media type to check for. Full Duplex 800 * types are not allowed. 801 */ 802 do { 803 sc->tulip_probe_media -= 1; 804 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 805 if (++sc->tulip_probe_passes == 3) { 806 printf("%s%d: autosense failed: cable problem?\n", 807 sc->tulip_name, sc->tulip_unit); 808 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 809 sc->tulip_if.if_flags &= ~IFF_RUNNING; 810 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 811 return; 812 } 813 } 814 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 815 sc->tulip_probe_mediamask = 0; 816 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 817 } 818 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 819 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 820 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 821 822#if defined(TULIP_DEBUG) 823 printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit, 824 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 825 tulip_mediums[sc->tulip_probe_media]); 826#endif 827 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 828 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 829 sc->tulip_probe.probe_txprobes = 0; 830 tulip_reset(sc); 831 tulip_media_set(sc, sc->tulip_probe_media); 832 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 833 } 834 tulip_timeout(sc); 835 836 /* 837 * If this is hanging off a phy, we know are doing NWAY and we have 838 * forced the phy to a specific speed. Wait for link up before 839 * before sending a packet. 840 */ 841 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 842 case TULIP_MEDIAINFO_MII: { 843 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 844 return; 845 break; 846 } 847 case TULIP_MEDIAINFO_SIA: { 848 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 849 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 850 return; 851 tulip_linkup(sc, sc->tulip_probe_media); 852#ifdef notyet 853 if (sc->tulip_features & TULIP_HAVE_MII) 854 tulip_timeout(sc); 855#endif 856 return; 857 } 858 break; 859 } 860 case TULIP_MEDIAINFO_RESET: 861 case TULIP_MEDIAINFO_SYM: 862 case TULIP_MEDIAINFO_NONE: 863 case TULIP_MEDIAINFO_GPR: { 864 break; 865 } 866 } 867 /* 868 * Try to send a packet. 869 */ 870 tulip_txprobe(sc); 871} 872 873static void 874tulip_media_select( 875 tulip_softc_t * const sc) 876{ 877 if (sc->tulip_features & TULIP_HAVE_GPR) { 878 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 879 DELAY(10); 880 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 881 } 882 /* 883 * If this board has no media, just return 884 */ 885 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 886 return; 887 888 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 889 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 890 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 891 } else { 892 tulip_media_set(sc, sc->tulip_media); 893 } 894} 895 896static void 897tulip_21040_mediainfo_init( 898 tulip_softc_t * const sc, 899 tulip_media_t media) 900{ 901 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 902 |TULIP_CMD_BACKOFFCTR; 903 sc->tulip_if.if_baudrate = 10000000; 904 905 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 906 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 907 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 908 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 909 } 910 911 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 912 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 913 } 914 915 if (media == TULIP_MEDIA_UNKNOWN) { 916 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 917 } 918} 919 920static void 921tulip_21040_media_probe( 922 tulip_softc_t * const sc) 923{ 924 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 925 return; 926} 927 928static void 929tulip_21040_10baset_only_media_probe( 930 tulip_softc_t * const sc) 931{ 932 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 933 tulip_media_set(sc, TULIP_MEDIA_10BASET); 934 sc->tulip_media = TULIP_MEDIA_10BASET; 935} 936 937static void 938tulip_21040_10baset_only_media_select( 939 tulip_softc_t * const sc) 940{ 941 sc->tulip_flags |= TULIP_LINKUP; 942 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 943 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 944 sc->tulip_flags &= ~TULIP_SQETEST; 945 } else { 946 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 947 sc->tulip_flags |= TULIP_SQETEST; 948 } 949 tulip_media_set(sc, sc->tulip_media); 950} 951 952static void 953tulip_21040_auibnc_only_media_probe( 954 tulip_softc_t * const sc) 955{ 956 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 957 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 958 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 959 sc->tulip_media = TULIP_MEDIA_AUIBNC; 960} 961 962static void 963tulip_21040_auibnc_only_media_select( 964 tulip_softc_t * const sc) 965{ 966 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 967 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 968} 969 970static const tulip_boardsw_t tulip_21040_boardsw = { 971 TULIP_21040_GENERIC, 972 tulip_21040_media_probe, 973 tulip_media_select, 974 tulip_media_poll, 975}; 976 977static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 978 TULIP_21040_GENERIC, 979 tulip_21040_10baset_only_media_probe, 980 tulip_21040_10baset_only_media_select, 981 NULL, 982}; 983 984static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 985 TULIP_21040_GENERIC, 986 tulip_21040_auibnc_only_media_probe, 987 tulip_21040_auibnc_only_media_select, 988 NULL, 989}; 990 991static void 992tulip_21041_mediainfo_init( 993 tulip_softc_t * const sc) 994{ 995 tulip_media_info_t * const mi = sc->tulip_mediainfo; 996 997#ifdef notyet 998 if (sc->tulip_revinfo >= 0x20) { 999 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1000 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1001 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1002 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1003 return; 1004 } 1005#endif 1006 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1007 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1008 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1009 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1010} 1011 1012static void 1013tulip_21041_media_probe( 1014 tulip_softc_t * const sc) 1015{ 1016 sc->tulip_if.if_baudrate = 10000000; 1017 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1018 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1019 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1020 tulip_21041_mediainfo_init(sc); 1021} 1022 1023static void 1024tulip_21041_media_poll( 1025 tulip_softc_t * const sc, 1026 const tulip_mediapoll_event_t event) 1027{ 1028 u_int32_t sia_status; 1029 1030#if defined(TULIP_DEBUG) 1031 sc->tulip_dbg.dbg_events[event]++; 1032#endif 1033 1034 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1035 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1036 || !TULIP_DO_AUTOSENSE(sc)) 1037 return; 1038 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1039 tulip_reset(sc); /* start probe */ 1040 return; 1041 } 1042 1043 /* 1044 * If we've been been asked to start a poll or link change interrupt 1045 * restart the probe (and reset the tulip to a known state). 1046 */ 1047 if (event == TULIP_MEDIAPOLL_START) { 1048 sc->tulip_if.if_flags |= IFF_OACTIVE; 1049 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1050#ifdef notyet 1051 if (sc->tulip_revinfo >= 0x20) { 1052 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1053 sc->tulip_flags |= TULIP_DIDNWAY; 1054 } 1055#endif 1056 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1057 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1058 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1059 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1060 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1061 tulip_timeout(sc); 1062 return; 1063 } 1064 1065 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1066 return; 1067 1068 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1069#if defined(TULIP_DEBUG) 1070 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1071#endif 1072 tulip_linkup(sc, sc->tulip_probe_media); 1073 return; 1074 } 1075 1076 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1077 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1078 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1079 if (sc->tulip_revinfo >= 0x20) { 1080 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1081 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1082 } 1083 /* 1084 * If the link has passed LinkPass, 10baseT is the 1085 * proper media to use. 1086 */ 1087 tulip_linkup(sc, sc->tulip_probe_media); 1088 return; 1089 } 1090 1091 /* 1092 * wait for up to 2.4 seconds for the link to reach pass state. 1093 * Only then start scanning the other media for activity. 1094 * choose media with receive activity over those without. 1095 */ 1096 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1097 if (event != TULIP_MEDIAPOLL_TIMER) 1098 return; 1099 if (sc->tulip_probe_timeout > 0 1100 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1101 tulip_timeout(sc); 1102 return; 1103 } 1104 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1105 sc->tulip_flags |= TULIP_WANTRXACT; 1106 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1107 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1108 } else { 1109 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1110 } 1111 tulip_media_set(sc, sc->tulip_probe_media); 1112 tulip_timeout(sc); 1113 return; 1114 } 1115 1116 /* 1117 * If we failed, clear the txprobe active flag. 1118 */ 1119 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1120 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1121 1122 1123 if (event == TULIP_MEDIAPOLL_TIMER) { 1124 /* 1125 * If we've received something, then that's our link! 1126 */ 1127 if (sc->tulip_flags & TULIP_RXACT) { 1128 tulip_linkup(sc, sc->tulip_probe_media); 1129 return; 1130 } 1131 /* 1132 * if no txprobe active 1133 */ 1134 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1135 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1136 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1137 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1138 tulip_txprobe(sc); 1139 tulip_timeout(sc); 1140 return; 1141 } 1142 /* 1143 * Take 2 passes through before deciding to not 1144 * wait for receive activity. Then take another 1145 * two passes before spitting out a warning. 1146 */ 1147 if (sc->tulip_probe_timeout <= 0) { 1148 if (sc->tulip_flags & TULIP_WANTRXACT) { 1149 sc->tulip_flags &= ~TULIP_WANTRXACT; 1150 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1151 } else { 1152 printf("%s%d: autosense failed: cable problem?\n", 1153 sc->tulip_name, sc->tulip_unit); 1154 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1155 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1156 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1157 return; 1158 } 1159 } 1160 } 1161 } 1162 1163 /* 1164 * Since this media failed to probe, try the other one. 1165 */ 1166 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1167 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1168 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1169 } else { 1170 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1171 } 1172 tulip_media_set(sc, sc->tulip_probe_media); 1173 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1174 tulip_timeout(sc); 1175} 1176 1177static const tulip_boardsw_t tulip_21041_boardsw = { 1178 TULIP_21041_GENERIC, 1179 tulip_21041_media_probe, 1180 tulip_media_select, 1181 tulip_21041_media_poll 1182}; 1183 1184static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1185 { 0x20005c00, 0, /* 08-00-17 */ 1186 { 1187 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1188 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1189 }, 1190#if defined(TULIP_DEBUG) 1191 "NS DP83840", 1192#endif 1193 }, 1194 { 0x0281F400, 0, /* 00-A0-7D */ 1195 { 1196 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1197 { }, /* 100TX */ 1198 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1199 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1200 }, 1201#if defined(TULIP_DEBUG) 1202 "Seeq 80C240" 1203#endif 1204 }, 1205#if 0 1206 { 0x0015F420, 0, /* 00-A0-7D */ 1207 { 1208 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1209 { }, /* 100TX */ 1210 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1211 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1212 }, 1213#if defined(TULIP_DEBUG) 1214 "Broadcom BCM5000" 1215#endif 1216 }, 1217#endif 1218 { 0x0281F400, 0, /* 00-A0-BE */ 1219 { 1220 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1221 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1222 { }, /* 100T4 */ 1223 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1224 }, 1225#if defined(TULIP_DEBUG) 1226 "ICS 1890" 1227#endif 1228 }, 1229 { 0 } 1230}; 1231 1232static tulip_media_t 1233tulip_mii_phy_readspecific( 1234 tulip_softc_t * const sc) 1235{ 1236 const tulip_phy_attr_t *attr; 1237 u_int16_t data; 1238 u_int32_t id; 1239 unsigned idx = 0; 1240 static const tulip_media_t table[] = { 1241 TULIP_MEDIA_UNKNOWN, 1242 TULIP_MEDIA_10BASET, 1243 TULIP_MEDIA_100BASETX, 1244 TULIP_MEDIA_100BASET4, 1245 TULIP_MEDIA_UNKNOWN, 1246 TULIP_MEDIA_10BASET_FD, 1247 TULIP_MEDIA_100BASETX_FD, 1248 TULIP_MEDIA_UNKNOWN 1249 }; 1250 1251 /* 1252 * Don't read phy specific registers if link is not up. 1253 */ 1254 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1255 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1256 return TULIP_MEDIA_UNKNOWN; 1257 1258 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1259 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1260 for (attr = tulip_mii_phy_attrlist;; attr++) { 1261 if (attr->attr_id == 0) 1262 return TULIP_MEDIA_UNKNOWN; 1263 if ((id & ~0x0F) == attr->attr_id) 1264 break; 1265 } 1266 1267 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1268 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1269 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1270 if ((data & pm->pm_mask) == pm->pm_value) 1271 idx = 2; 1272 } 1273 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1274 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1275 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1276 if ((data & pm->pm_mask) == pm->pm_value) 1277 idx = 3; 1278 } 1279 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1280 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1281 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1282 if ((data & pm->pm_mask) == pm->pm_value) 1283 idx = 1; 1284 } 1285 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1286 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1287 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1288 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1289 } 1290 return table[idx]; 1291} 1292 1293static unsigned 1294tulip_mii_get_phyaddr( 1295 tulip_softc_t * const sc, 1296 unsigned offset) 1297{ 1298 unsigned phyaddr; 1299 1300 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1301 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1302 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1303 continue; 1304 if (offset == 0) 1305 return phyaddr; 1306 offset--; 1307 } 1308 if (offset == 0) { 1309 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1310 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1311 return TULIP_MII_NOPHY; 1312 return 0; 1313 } 1314 return TULIP_MII_NOPHY; 1315} 1316 1317static int 1318tulip_mii_map_abilities( 1319 tulip_softc_t * const sc, 1320 unsigned abilities) 1321{ 1322 sc->tulip_abilities = abilities; 1323 if (abilities & PHYSTS_100BASETX_FD) { 1324 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1325 } else if (abilities & PHYSTS_100BASET4) { 1326 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1327 } else if (abilities & PHYSTS_100BASETX) { 1328 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1329 } else if (abilities & PHYSTS_10BASET_FD) { 1330 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1331 } else if (abilities & PHYSTS_10BASET) { 1332 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1333 } else { 1334 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1335 return 0; 1336 } 1337 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1338 return 1; 1339} 1340 1341static void 1342tulip_mii_autonegotiate( 1343 tulip_softc_t * const sc, 1344 const unsigned phyaddr) 1345{ 1346 switch (sc->tulip_probe_state) { 1347 case TULIP_PROBE_MEDIATEST: 1348 case TULIP_PROBE_INACTIVE: { 1349 sc->tulip_flags |= TULIP_DIDNWAY; 1350 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1351 sc->tulip_probe_timeout = 3000; 1352 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1353 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1354 /* FALL THROUGH */ 1355 } 1356 case TULIP_PROBE_PHYRESET: { 1357 u_int32_t status; 1358 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1359 if (data & PHYCTL_RESET) { 1360 if (sc->tulip_probe_timeout > 0) { 1361 tulip_timeout(sc); 1362 return; 1363 } 1364 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1365 sc->tulip_name, sc->tulip_unit, phyaddr); 1366 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1367 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1368 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1369 return; 1370 } 1371 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1372 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1373#if defined(TULIP_DEBUG) 1374 loudprintf("%s%d(phy%d): autonegotiation disabled\n", 1375 sc->tulip_name, sc->tulip_unit, phyaddr); 1376#endif 1377 sc->tulip_flags &= ~TULIP_DIDNWAY; 1378 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1379 return; 1380 } 1381 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1382 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1383 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1384 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1385#if defined(TULIP_DEBUG) 1386 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1387 loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1388 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1389 else 1390 loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n", 1391 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1392 sc->tulip_dbg.dbg_nway_starts++; 1393#endif 1394 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1395 sc->tulip_probe_timeout = 3000; 1396 /* FALL THROUGH */ 1397 } 1398 case TULIP_PROBE_PHYAUTONEG: { 1399 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1400 u_int32_t data; 1401 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1402 if (sc->tulip_probe_timeout > 0) { 1403 tulip_timeout(sc); 1404 return; 1405 } 1406#if defined(TULIP_DEBUG) 1407 loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1408 sc->tulip_name, sc->tulip_unit, phyaddr, status, 1409 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1410#endif 1411 sc->tulip_flags &= ~TULIP_DIDNWAY; 1412 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1413 return; 1414 } 1415 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1416#if defined(TULIP_DEBUG) 1417 loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n", 1418 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1419#endif 1420 data = (data << 6) & status; 1421 if (!tulip_mii_map_abilities(sc, data)) 1422 sc->tulip_flags &= ~TULIP_DIDNWAY; 1423 return; 1424 } 1425 default: { 1426#if defined(DIAGNOSTIC) 1427 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1428#endif 1429 break; 1430 } 1431 } 1432#if defined(TULIP_DEBUG) 1433 loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n", 1434 sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state); 1435 sc->tulip_dbg.dbg_nway_failures++; 1436#endif 1437} 1438 1439static void 1440tulip_2114x_media_preset( 1441 tulip_softc_t * const sc) 1442{ 1443 const tulip_media_info_t *mi = NULL; 1444 tulip_media_t media = sc->tulip_media; 1445 1446 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1447 media = sc->tulip_media; 1448 else 1449 media = sc->tulip_probe_media; 1450 1451 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1452 sc->tulip_flags &= ~TULIP_SQETEST; 1453 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1454#if defined(TULIP_DEBUG) 1455 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1456#endif 1457 mi = sc->tulip_mediums[media]; 1458 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1459 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1460 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1461 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1462 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1463 sc->tulip_cmdmode |= mi->mi_cmdmode; 1464 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1465 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1466 } 1467#if defined(TULIP_DEBUG) 1468 } else { 1469 printf("%s%d: preset: bad media %d!\n", 1470 sc->tulip_name, sc->tulip_unit, media); 1471 } 1472#endif 1473 } 1474 switch (media) { 1475 case TULIP_MEDIA_BNC: 1476 case TULIP_MEDIA_AUI: 1477 case TULIP_MEDIA_10BASET: { 1478 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1479 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1480 sc->tulip_if.if_baudrate = 10000000; 1481 sc->tulip_flags |= TULIP_SQETEST; 1482 break; 1483 } 1484 case TULIP_MEDIA_10BASET_FD: { 1485 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1486 sc->tulip_if.if_baudrate = 10000000; 1487 break; 1488 } 1489 case TULIP_MEDIA_100BASEFX: 1490 case TULIP_MEDIA_100BASET4: 1491 case TULIP_MEDIA_100BASETX: { 1492 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1493 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1494 sc->tulip_if.if_baudrate = 100000000; 1495 break; 1496 } 1497 case TULIP_MEDIA_100BASEFX_FD: 1498 case TULIP_MEDIA_100BASETX_FD: { 1499 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1500 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1501 sc->tulip_if.if_baudrate = 100000000; 1502 break; 1503 } 1504 default: { 1505 break; 1506 } 1507 } 1508 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1509} 1510 1511/* 1512 ******************************************************************** 1513 * Start of 21140/21140A support which does not use the MII interface 1514 */ 1515 1516static void 1517tulip_null_media_poll( 1518 tulip_softc_t * const sc, 1519 tulip_mediapoll_event_t event) 1520{ 1521#if defined(TULIP_DEBUG) 1522 sc->tulip_dbg.dbg_events[event]++; 1523#endif 1524#if defined(DIAGNOSTIC) 1525 printf("%s%d: botch(media_poll) at line %d\n", 1526 sc->tulip_name, sc->tulip_unit, __LINE__); 1527#endif 1528} 1529 1530__inline__ static void 1531tulip_21140_mediainit( 1532 tulip_softc_t * const sc, 1533 tulip_media_info_t * const mip, 1534 tulip_media_t const media, 1535 unsigned gpdata, 1536 unsigned cmdmode) 1537{ 1538 sc->tulip_mediums[media] = mip; 1539 mip->mi_type = TULIP_MEDIAINFO_GPR; 1540 mip->mi_cmdmode = cmdmode; 1541 mip->mi_gpdata = gpdata; 1542} 1543 1544static void 1545tulip_21140_evalboard_media_probe( 1546 tulip_softc_t * const sc) 1547{ 1548 tulip_media_info_t *mip = sc->tulip_mediainfo; 1549 1550 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1551 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1552 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1553 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1554 TULIP_CSR_WRITE(sc, csr_command, 1555 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1556 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1557 TULIP_CSR_WRITE(sc, csr_command, 1558 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1559 DELAY(1000000); 1560 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1561 sc->tulip_media = TULIP_MEDIA_10BASET; 1562 } else { 1563 sc->tulip_media = TULIP_MEDIA_100BASETX; 1564 } 1565 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1566 TULIP_GP_EB_INIT, 1567 TULIP_CMD_TXTHRSHLDCTL); 1568 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1569 TULIP_GP_EB_INIT, 1570 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1572 TULIP_GP_EB_INIT, 1573 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1574 |TULIP_CMD_SCRAMBLER); 1575 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1576 TULIP_GP_EB_INIT, 1577 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1578 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1579} 1580 1581static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1582 TULIP_21140_DEC_EB, 1583 tulip_21140_evalboard_media_probe, 1584 tulip_media_select, 1585 tulip_null_media_poll, 1586 tulip_2114x_media_preset, 1587}; 1588 1589static void 1590tulip_21140_accton_media_probe( 1591 tulip_softc_t * const sc) 1592{ 1593 tulip_media_info_t *mip = sc->tulip_mediainfo; 1594 unsigned gpdata; 1595 1596 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1597 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1598 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1599 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1600 TULIP_CSR_WRITE(sc, csr_command, 1601 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1602 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1603 TULIP_CSR_WRITE(sc, csr_command, 1604 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1605 DELAY(1000000); 1606 gpdata = TULIP_CSR_READ(sc, csr_gp); 1607 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1608 sc->tulip_media = TULIP_MEDIA_10BASET; 1609 } else { 1610 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1611 sc->tulip_media = TULIP_MEDIA_BNC; 1612 } else { 1613 sc->tulip_media = TULIP_MEDIA_100BASETX; 1614 } 1615 } 1616 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1617 TULIP_GP_EN1207_BNC_INIT, 1618 TULIP_CMD_TXTHRSHLDCTL); 1619 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1620 TULIP_GP_EN1207_UTP_INIT, 1621 TULIP_CMD_TXTHRSHLDCTL); 1622 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1623 TULIP_GP_EN1207_UTP_INIT, 1624 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1625 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1626 TULIP_GP_EN1207_100_INIT, 1627 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1628 |TULIP_CMD_SCRAMBLER); 1629 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1630 TULIP_GP_EN1207_100_INIT, 1631 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1632 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1633} 1634 1635static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1636 TULIP_21140_EN1207, 1637 tulip_21140_accton_media_probe, 1638 tulip_media_select, 1639 tulip_null_media_poll, 1640 tulip_2114x_media_preset, 1641}; 1642 1643static void 1644tulip_21140_smc9332_media_probe( 1645 tulip_softc_t * const sc) 1646{ 1647 tulip_media_info_t *mip = sc->tulip_mediainfo; 1648 int idx, cnt = 0; 1649 1650 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1651 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1652 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1653 33MHz that comes to two microseconds but wait a 1654 bit longer anyways) */ 1655 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1656 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1657 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1658 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1659 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1660 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1661 DELAY(200000); 1662 for (idx = 1000; idx > 0; idx--) { 1663 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1664 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1665 if (++cnt > 100) 1666 break; 1667 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1668 break; 1669 } else { 1670 cnt = 0; 1671 } 1672 DELAY(1000); 1673 } 1674 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1675 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1676 TULIP_GP_SMC_9332_INIT, 1677 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1678 |TULIP_CMD_SCRAMBLER); 1679 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1680 TULIP_GP_SMC_9332_INIT, 1681 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1682 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1683 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1684 TULIP_GP_SMC_9332_INIT, 1685 TULIP_CMD_TXTHRSHLDCTL); 1686 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1687 TULIP_GP_SMC_9332_INIT, 1688 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1689} 1690 1691static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1692 TULIP_21140_SMC_9332, 1693 tulip_21140_smc9332_media_probe, 1694 tulip_media_select, 1695 tulip_null_media_poll, 1696 tulip_2114x_media_preset, 1697}; 1698 1699static void 1700tulip_21140_cogent_em100_media_probe( 1701 tulip_softc_t * const sc) 1702{ 1703 tulip_media_info_t *mip = sc->tulip_mediainfo; 1704 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1705 1706 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1707 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1708 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1709 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1710 1711 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1712 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1713 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1714 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1715 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1716 1717 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1718 TULIP_GP_EM100_INIT, 1719 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1720 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1721 TULIP_GP_EM100_INIT, 1722 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1723 |TULIP_CMD_FULLDUPLEX); 1724 } else { 1725 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1726 sc->tulip_media = TULIP_MEDIA_100BASETX; 1727 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1728 TULIP_GP_EM100_INIT, 1729 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1730 |TULIP_CMD_SCRAMBLER); 1731 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1732 TULIP_GP_EM100_INIT, 1733 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1734 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1735 } 1736} 1737 1738static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1739 TULIP_21140_COGENT_EM100, 1740 tulip_21140_cogent_em100_media_probe, 1741 tulip_media_select, 1742 tulip_null_media_poll, 1743 tulip_2114x_media_preset 1744}; 1745 1746static void 1747tulip_21140_znyx_zx34x_media_probe( 1748 tulip_softc_t * const sc) 1749{ 1750 tulip_media_info_t *mip = sc->tulip_mediainfo; 1751 int cnt10 = 0, cnt100 = 0, idx; 1752 1753 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1754 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1755 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1756 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1757 TULIP_CSR_WRITE(sc, csr_command, 1758 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1759 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1760 TULIP_CSR_WRITE(sc, csr_command, 1761 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1762 1763 DELAY(200000); 1764 for (idx = 1000; idx > 0; idx--) { 1765 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1766 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)) { 1767 if (++cnt100 > 100) 1768 break; 1769 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1770 if (++cnt10 > 100) 1771 break; 1772 } else { 1773 cnt10 = 0; 1774 cnt100 = 0; 1775 } 1776 DELAY(1000); 1777 } 1778 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1779 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1780 TULIP_GP_ZX34X_INIT, 1781 TULIP_CMD_TXTHRSHLDCTL); 1782 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1783 TULIP_GP_ZX34X_INIT, 1784 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1785 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1786 TULIP_GP_ZX34X_INIT, 1787 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1788 |TULIP_CMD_SCRAMBLER); 1789 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1790 TULIP_GP_ZX34X_INIT, 1791 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1792 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1793} 1794 1795static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1796 TULIP_21140_ZNYX_ZX34X, 1797 tulip_21140_znyx_zx34x_media_probe, 1798 tulip_media_select, 1799 tulip_null_media_poll, 1800 tulip_2114x_media_preset, 1801}; 1802 1803static void 1804tulip_2114x_media_probe( 1805 tulip_softc_t * const sc) 1806{ 1807 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1808 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1809} 1810 1811static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1812 TULIP_21140_ISV, 1813 tulip_2114x_media_probe, 1814 tulip_media_select, 1815 tulip_media_poll, 1816 tulip_2114x_media_preset, 1817}; 1818 1819/* 1820 * ******** END of chip-specific handlers. *********** 1821 */ 1822 1823/* 1824 * Code the read the SROM and MII bit streams (I2C) 1825 */ 1826#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1827 1828static void 1829tulip_srom_idle( 1830 tulip_softc_t * const sc) 1831{ 1832 unsigned bit, csr; 1833 1834 csr = SROMSEL ; EMIT; 1835 csr = SROMSEL | SROMRD; EMIT; 1836 csr ^= SROMCS; EMIT; 1837 csr ^= SROMCLKON; EMIT; 1838 1839 /* 1840 * Write 25 cycles of 0 which will force the SROM to be idle. 1841 */ 1842 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1843 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1844 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1845 } 1846 csr ^= SROMCLKOFF; EMIT; 1847 csr ^= SROMCS; EMIT; 1848 csr = 0; EMIT; 1849} 1850 1851 1852static void 1853tulip_srom_read( 1854 tulip_softc_t * const sc) 1855{ 1856 unsigned idx; 1857 const unsigned bitwidth = SROM_BITWIDTH; 1858 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1859 const unsigned msb = 1 << (bitwidth + 3 - 1); 1860 unsigned lastidx = (1 << bitwidth) - 1; 1861 1862 tulip_srom_idle(sc); 1863 1864 for (idx = 0; idx <= lastidx; idx++) { 1865 unsigned lastbit, data, bits, bit, csr; 1866 csr = SROMSEL ; EMIT; 1867 csr = SROMSEL | SROMRD; EMIT; 1868 csr ^= SROMCSON; EMIT; 1869 csr ^= SROMCLKON; EMIT; 1870 1871 lastbit = 0; 1872 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1873 const unsigned thisbit = bits & msb; 1874 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1875 if (thisbit != lastbit) { 1876 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1877 } else { 1878 EMIT; 1879 } 1880 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1881 lastbit = thisbit; 1882 } 1883 csr ^= SROMCLKOFF; EMIT; 1884 1885 for (data = 0, bits = 0; bits < 16; bits++) { 1886 data <<= 1; 1887 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1888 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1889 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1890 } 1891 sc->tulip_rombuf[idx*2] = data & 0xFF; 1892 sc->tulip_rombuf[idx*2+1] = data >> 8; 1893 csr = SROMSEL | SROMRD; EMIT; 1894 csr = 0; EMIT; 1895 } 1896 tulip_srom_idle(sc); 1897} 1898 1899#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1900 1901static void 1902tulip_mii_writebits( 1903 tulip_softc_t * const sc, 1904 unsigned data, 1905 unsigned bits) 1906{ 1907 unsigned msb = 1 << (bits - 1); 1908 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1909 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1910 1911 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1912 1913 for (; bits > 0; bits--, data <<= 1) { 1914 const unsigned thisbit = data & msb; 1915 if (thisbit != lastbit) { 1916 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1917 } 1918 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1919 lastbit = thisbit; 1920 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1921 } 1922} 1923 1924static void 1925tulip_mii_turnaround( 1926 tulip_softc_t * const sc, 1927 unsigned cmd) 1928{ 1929 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1930 1931 if (cmd == MII_WRCMD) { 1932 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1933 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1934 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1935 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1936 } else { 1937 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1938 } 1939 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1940 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1941} 1942 1943static unsigned 1944tulip_mii_readbits( 1945 tulip_softc_t * const sc) 1946{ 1947 unsigned data; 1948 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1949 int idx; 1950 1951 for (idx = 0, data = 0; idx < 16; idx++) { 1952 data <<= 1; /* this is NOOP on the first pass through */ 1953 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1954 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1955 data |= 1; 1956 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1957 } 1958 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1959 1960 return data; 1961} 1962 1963static unsigned 1964tulip_mii_readreg( 1965 tulip_softc_t * const sc, 1966 unsigned devaddr, 1967 unsigned regno) 1968{ 1969 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1970 unsigned data; 1971 1972 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1973 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1974 tulip_mii_writebits(sc, MII_RDCMD, 8); 1975 tulip_mii_writebits(sc, devaddr, 5); 1976 tulip_mii_writebits(sc, regno, 5); 1977 tulip_mii_turnaround(sc, MII_RDCMD); 1978 1979 data = tulip_mii_readbits(sc); 1980#if defined(TULIP_DEBUG) 1981 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1982 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1983#endif 1984 return data; 1985} 1986 1987static void 1988tulip_mii_writereg( 1989 tulip_softc_t * const sc, 1990 unsigned devaddr, 1991 unsigned regno, 1992 unsigned data) 1993{ 1994 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1995 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1996 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1997 tulip_mii_writebits(sc, MII_WRCMD, 8); 1998 tulip_mii_writebits(sc, devaddr, 5); 1999 tulip_mii_writebits(sc, regno, 5); 2000 tulip_mii_turnaround(sc, MII_WRCMD); 2001 tulip_mii_writebits(sc, data, 16); 2002#if defined(TULIP_DEBUG) 2003 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2004 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2005#endif 2006} 2007 2008#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2009#define tulip_srom_crcok(databuf) ( \ 2010 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2011 ((databuf)[126] | ((databuf)[127] << 8))) 2012 2013static unsigned 2014tulip_crc32( 2015 const unsigned char *databuf, 2016 size_t datalen) 2017{ 2018 u_int idx, crc = 0xFFFFFFFFUL; 2019 static const u_int crctab[] = { 2020 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2021 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2022 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2023 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2024 }; 2025 2026 for (idx = 0; idx < datalen; idx++) { 2027 crc ^= *databuf++; 2028 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2029 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2030 } 2031 return crc; 2032} 2033 2034static void 2035tulip_identify_dec_nic( 2036 tulip_softc_t * const sc) 2037{ 2038 strcpy(sc->tulip_boardid, "DEC "); 2039#define D0 4 2040 if (sc->tulip_chipid <= TULIP_21040) 2041 return; 2042 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2043 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2044 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2045 sc->tulip_boardid[D0+8] = ' '; 2046 } 2047#undef D0 2048} 2049 2050static void 2051tulip_identify_znyx_nic( 2052 tulip_softc_t * const sc) 2053{ 2054 unsigned id = 0; 2055 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2056 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2057 unsigned znyx_ptr; 2058 sc->tulip_boardid[8] = '4'; 2059 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2060 if (znyx_ptr < 26 || znyx_ptr > 116) { 2061 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2062 return; 2063 } 2064 /* ZX344 = 0010 .. 0013FF 2065 */ 2066 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2067 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2068 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2069 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2070 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2071 sc->tulip_boardid[9] = '2'; 2072 if (id == TULIP_ZNYX_ID_ZX342B) { 2073 sc->tulip_boardid[10] = 'B'; 2074 sc->tulip_boardid[11] = ' '; 2075 } 2076 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2077 } else if (id == TULIP_ZNYX_ID_ZX344) { 2078 sc->tulip_boardid[10] = '4'; 2079 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2080 } else if (id == TULIP_ZNYX_ID_ZX345) { 2081 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2082 } else if (id == TULIP_ZNYX_ID_ZX346) { 2083 sc->tulip_boardid[9] = '6'; 2084 } else if (id == TULIP_ZNYX_ID_ZX351) { 2085 sc->tulip_boardid[8] = '5'; 2086 sc->tulip_boardid[9] = '1'; 2087 } 2088 } 2089 if (id == 0) { 2090 /* 2091 * Assume it's a ZX342... 2092 */ 2093 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2094 } 2095 return; 2096 } 2097 sc->tulip_boardid[8] = '1'; 2098 if (sc->tulip_chipid == TULIP_21041) { 2099 sc->tulip_boardid[10] = '1'; 2100 return; 2101 } 2102 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2103 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2104 if (id == TULIP_ZNYX_ID_ZX312T) { 2105 sc->tulip_boardid[9] = '2'; 2106 sc->tulip_boardid[10] = 'T'; 2107 sc->tulip_boardid[11] = ' '; 2108 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2109 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2110 sc->tulip_boardid[9] = '4'; 2111 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2112 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2113 } else if (id == TULIP_ZNYX_ID_ZX314) { 2114 sc->tulip_boardid[9] = '4'; 2115 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2116 sc->tulip_features |= TULIP_HAVE_BASEROM; 2117 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2118 sc->tulip_boardid[9] = '5'; 2119 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2120 } else if (id == TULIP_ZNYX_ID_ZX315) { 2121 sc->tulip_boardid[9] = '5'; 2122 sc->tulip_features |= TULIP_HAVE_BASEROM; 2123 } else { 2124 id = 0; 2125 } 2126 } 2127 if (id == 0) { 2128 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2129 sc->tulip_boardid[9] = '4'; 2130 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2131 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2132 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2133 sc->tulip_boardid[9] = '5'; 2134 sc->tulip_boardsw = &tulip_21040_boardsw; 2135 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2136 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2137 sc->tulip_boardid[9] = '2'; 2138 sc->tulip_boardsw = &tulip_21040_boardsw; 2139 } 2140 } 2141} 2142 2143static void 2144tulip_identify_smc_nic( 2145 tulip_softc_t * const sc) 2146{ 2147 u_int32_t id1, id2, ei; 2148 int auibnc = 0, utp = 0; 2149 char *cp; 2150 2151 strcpy(sc->tulip_boardid, "SMC "); 2152 if (sc->tulip_chipid == TULIP_21041) 2153 return; 2154 if (sc->tulip_chipid != TULIP_21040) { 2155 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2156 strcpy(&sc->tulip_boardid[4], "9332DST "); 2157 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2158 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2159 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2160 } else { 2161 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2162 } 2163 return; 2164 } 2165 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2166 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2167 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2168 2169 strcpy(&sc->tulip_boardid[4], "8432"); 2170 cp = &sc->tulip_boardid[8]; 2171 if ((id1 & 1) == 0) 2172 *cp++ = 'B', auibnc = 1; 2173 if ((id1 & 0xFF) > 0x32) 2174 *cp++ = 'T', utp = 1; 2175 if ((id1 & 0x4000) == 0) 2176 *cp++ = 'A', auibnc = 1; 2177 if (id2 == 0x15) { 2178 sc->tulip_boardid[7] = '4'; 2179 *cp++ = '-'; 2180 *cp++ = 'C'; 2181 *cp++ = 'H'; 2182 *cp++ = (ei ? '2' : '1'); 2183 } 2184 *cp++ = ' '; 2185 *cp = '\0'; 2186 if (utp && !auibnc) 2187 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2188 else if (!utp && auibnc) 2189 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2190} 2191 2192static void 2193tulip_identify_cogent_nic( 2194 tulip_softc_t * const sc) 2195{ 2196 strcpy(sc->tulip_boardid, "Cogent "); 2197 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2198 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2199 strcat(sc->tulip_boardid, "EM100TX "); 2200 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2201#if defined(TULIP_COGENT_EM110TX_ID) 2202 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2203 strcat(sc->tulip_boardid, "EM110TX "); 2204 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2205#endif 2206 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2207 strcat(sc->tulip_boardid, "EM100FX "); 2208 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2209 } 2210 /* 2211 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2212 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2213 */ 2214 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2215 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2216 /* 2217 * Cogent (Adaptec) is still mapping all INTs to INTA of 2218 * first 21140. Dumb! Dumb! 2219 */ 2220 strcat(sc->tulip_boardid, "EM440TX "); 2221 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2222 } 2223 } else if (sc->tulip_chipid == TULIP_21040) { 2224 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2225 } 2226} 2227 2228static void 2229tulip_identify_accton_nic( 2230 tulip_softc_t * const sc) 2231{ 2232 strcpy(sc->tulip_boardid, "ACCTON "); 2233 switch (sc->tulip_chipid) { 2234 case TULIP_21140A: 2235 strcat(sc->tulip_boardid, "EN1207 "); 2236 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2237 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2238 break; 2239 case TULIP_21140: 2240 strcat(sc->tulip_boardid, "EN1207TX "); 2241 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2242 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2243 break; 2244 case TULIP_21040: 2245 strcat(sc->tulip_boardid, "EN1203 "); 2246 sc->tulip_boardsw = &tulip_21040_boardsw; 2247 break; 2248 case TULIP_21041: 2249 strcat(sc->tulip_boardid, "EN1203 "); 2250 sc->tulip_boardsw = &tulip_21041_boardsw; 2251 break; 2252 default: 2253 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2254 break; 2255 } 2256} 2257 2258static void 2259tulip_identify_asante_nic( 2260 tulip_softc_t * const sc) 2261{ 2262 strcpy(sc->tulip_boardid, "Asante "); 2263 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2264 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2265 tulip_media_info_t *mi = sc->tulip_mediainfo; 2266 int idx; 2267 /* 2268 * The Asante Fast Ethernet doesn't always ship with a valid 2269 * new format SROM. So if isn't in the new format, we cheat 2270 * set it up as if we had. 2271 */ 2272 2273 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2274 sc->tulip_gpdata = 0; 2275 2276 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2277 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2278 DELAY(100); 2279 TULIP_CSR_WRITE(sc, csr_gp, 0); 2280 2281 mi->mi_type = TULIP_MEDIAINFO_MII; 2282 mi->mi_gpr_length = 0; 2283 mi->mi_gpr_offset = 0; 2284 mi->mi_reset_length = 0; 2285 mi->mi_reset_offset = 0;; 2286 2287 mi->mi_phyaddr = TULIP_MII_NOPHY; 2288 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2289 DELAY(10000); 2290 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2291 } 2292 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2293 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2294 return; 2295 } 2296 2297 sc->tulip_features |= TULIP_HAVE_MII; 2298 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2299 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2300 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2301 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2302 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2303 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2304 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2305 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2306 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2307 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2308 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2309 2310 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2311 } 2312} 2313 2314static void 2315tulip_identify_compex_nic( 2316 tulip_softc_t * const sc) 2317{ 2318 strcpy(sc->tulip_boardid, "COMPEX "); 2319 if (sc->tulip_chipid == TULIP_21140A) { 2320 int root_unit; 2321 tulip_softc_t *root_sc = NULL; 2322 2323 strcat(sc->tulip_boardid, "400TX/PCI "); 2324 /* 2325 * All 4 chips on these boards share an interrupt. This code 2326 * copied from tulip_read_macaddr. 2327 */ 2328 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2329 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2330 root_sc = tulips[root_unit]; 2331 if (root_sc == NULL 2332 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2333 break; 2334 root_sc = NULL; 2335 } 2336 if (root_sc != NULL 2337 && root_sc->tulip_chipid == sc->tulip_chipid 2338 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2339 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2340 sc->tulip_slaves = root_sc->tulip_slaves; 2341 root_sc->tulip_slaves = sc; 2342 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2343 printf("\nCannot find master device for de%d interrupts", 2344 sc->tulip_unit); 2345 } 2346 } else { 2347 strcat(sc->tulip_boardid, "unknown "); 2348 } 2349 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2350 return; 2351} 2352 2353static int 2354tulip_srom_decode( 2355 tulip_softc_t * const sc) 2356{ 2357 unsigned idx1, idx2, idx3; 2358 2359 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2360 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2361 tulip_srom_media_t srom_media; 2362 tulip_media_info_t *mi = sc->tulip_mediainfo; 2363 const u_int8_t *dp; 2364 u_int32_t leaf_offset, blocks, data; 2365 2366 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2367 if (shp->sh_adapter_count == 1) 2368 break; 2369 if (saip->sai_device == sc->tulip_pci_devno) 2370 break; 2371 } 2372 /* 2373 * Didn't find the right media block for this card. 2374 */ 2375 if (idx1 == shp->sh_adapter_count) 2376 return 0; 2377 2378 /* 2379 * Save the hardware address. 2380 */ 2381 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2382 /* 2383 * If this is a multiple port card, add the adapter index to the last 2384 * byte of the hardware address. (if it isn't multiport, adding 0 2385 * won't hurt. 2386 */ 2387 sc->tulip_enaddr[5] += idx1; 2388 2389 leaf_offset = saip->sai_leaf_offset_lowbyte 2390 + saip->sai_leaf_offset_highbyte * 256; 2391 dp = sc->tulip_rombuf + leaf_offset; 2392 2393 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2394 2395 for (idx2 = 0;; idx2++) { 2396 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2397 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2398 break; 2399 } 2400 sc->tulip_connidx = idx2; 2401 2402 if (sc->tulip_chipid == TULIP_21041) { 2403 blocks = *dp++; 2404 for (idx2 = 0; idx2 < blocks; idx2++) { 2405 tulip_media_t media; 2406 data = *dp++; 2407 srom_media = (tulip_srom_media_t) (data & 0x3F); 2408 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2409 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2410 break; 2411 } 2412 media = tulip_srom_mediums[idx3].sm_type; 2413 if (media != TULIP_MEDIA_UNKNOWN) { 2414 if (data & TULIP_SROM_21041_EXTENDED) { 2415 mi->mi_type = TULIP_MEDIAINFO_SIA; 2416 sc->tulip_mediums[media] = mi; 2417 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2418 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2419 mi->mi_sia_general = dp[4] + dp[5] * 256; 2420 mi++; 2421 } else { 2422 switch (media) { 2423 case TULIP_MEDIA_BNC: { 2424 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2425 mi++; 2426 break; 2427 } 2428 case TULIP_MEDIA_AUI: { 2429 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2430 mi++; 2431 break; 2432 } 2433 case TULIP_MEDIA_10BASET: { 2434 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2435 mi++; 2436 break; 2437 } 2438 case TULIP_MEDIA_10BASET_FD: { 2439 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2440 mi++; 2441 break; 2442 } 2443 default: { 2444 break; 2445 } 2446 } 2447 } 2448 } 2449 if (data & TULIP_SROM_21041_EXTENDED) 2450 dp += 6; 2451 } 2452#ifdef notdef 2453 if (blocks == 0) { 2454 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2455 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2456 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2457 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2458 } 2459#endif 2460 } else { 2461 unsigned length, type; 2462 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2463 if (sc->tulip_features & TULIP_HAVE_GPR) 2464 sc->tulip_gpinit = *dp++; 2465 blocks = *dp++; 2466 for (idx2 = 0; idx2 < blocks; idx2++) { 2467 const u_int8_t *ep; 2468 if ((*dp & 0x80) == 0) { 2469 length = 4; 2470 type = 0; 2471 } else { 2472 length = (*dp++ & 0x7f) - 1; 2473 type = *dp++ & 0x3f; 2474 } 2475 ep = dp + length; 2476 switch (type & 0x3f) { 2477 case 0: { /* 21140[A] GPR block */ 2478 tulip_media_t media; 2479 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2480 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2481 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2482 break; 2483 } 2484 media = tulip_srom_mediums[idx3].sm_type; 2485 if (media == TULIP_MEDIA_UNKNOWN) 2486 break; 2487 mi->mi_type = TULIP_MEDIAINFO_GPR; 2488 sc->tulip_mediums[media] = mi; 2489 mi->mi_gpdata = dp[1]; 2490 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2491 sc->tulip_gpdata = mi->mi_gpdata; 2492 gp_media = media; 2493 } 2494 data = dp[2] + dp[3] * 256; 2495 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2496 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2497 mi->mi_actmask = 0; 2498 } else { 2499#if 0 2500 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2501#endif 2502 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2503 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2504 } 2505 mi++; 2506 break; 2507 } 2508 case 1: { /* 21140[A] MII block */ 2509 const unsigned phyno = *dp++; 2510 mi->mi_type = TULIP_MEDIAINFO_MII; 2511 mi->mi_gpr_length = *dp++; 2512 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2513 dp += mi->mi_gpr_length; 2514 mi->mi_reset_length = *dp++; 2515 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2516 dp += mi->mi_reset_length; 2517 2518 /* 2519 * Before we probe for a PHY, use the GPR information 2520 * to select it. If we don't, it may be inaccessible. 2521 */ 2522 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2523 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2524 DELAY(10); 2525 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2526 } 2527 sc->tulip_phyaddr = mi->mi_phyaddr; 2528 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2529 DELAY(10); 2530 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2531 } 2532 2533 /* 2534 * At least write something! 2535 */ 2536 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2537 TULIP_CSR_WRITE(sc, csr_gp, 0); 2538 2539 mi->mi_phyaddr = TULIP_MII_NOPHY; 2540 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2541 DELAY(10000); 2542 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2543 } 2544 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2545#if defined(TULIP_DEBUG) 2546 printf("%s%d: can't find phy %d\n", 2547 sc->tulip_name, sc->tulip_unit, phyno); 2548#endif 2549 break; 2550 } 2551 sc->tulip_features |= TULIP_HAVE_MII; 2552 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2553 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2554 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2555 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2556 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2557 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2558 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2559 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2560 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2561 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2562 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2563 mi++; 2564 break; 2565 } 2566 case 2: { /* 2114[23] SIA block */ 2567 tulip_media_t media; 2568 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2569 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2570 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2571 break; 2572 } 2573 media = tulip_srom_mediums[idx3].sm_type; 2574 if (media == TULIP_MEDIA_UNKNOWN) 2575 break; 2576 mi->mi_type = TULIP_MEDIAINFO_SIA; 2577 sc->tulip_mediums[media] = mi; 2578 if (dp[0] & 0x40) { 2579 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2580 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2581 mi->mi_sia_general = dp[5] + dp[6] * 256; 2582 dp += 6; 2583 } else { 2584 switch (media) { 2585 case TULIP_MEDIA_BNC: { 2586 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2587 break; 2588 } 2589 case TULIP_MEDIA_AUI: { 2590 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2591 break; 2592 } 2593 case TULIP_MEDIA_10BASET: { 2594 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2595 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2596 break; 2597 } 2598 case TULIP_MEDIA_10BASET_FD: { 2599 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2600 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2601 break; 2602 } 2603 default: { 2604 goto bad_media; 2605 } 2606 } 2607 } 2608 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2609 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2610 mi++; 2611 bad_media: 2612 break; 2613 } 2614 case 3: { /* 2114[23] MII PHY block */ 2615 const unsigned phyno = *dp++; 2616 const u_int8_t *dp0; 2617 mi->mi_type = TULIP_MEDIAINFO_MII; 2618 mi->mi_gpr_length = *dp++; 2619 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2620 dp += 2 * mi->mi_gpr_length; 2621 mi->mi_reset_length = *dp++; 2622 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2623 dp += 2 * mi->mi_reset_length; 2624 2625 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2626 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2627 DELAY(10); 2628 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2629 } 2630 sc->tulip_phyaddr = mi->mi_phyaddr; 2631 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2632 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2633 DELAY(10); 2634 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2635 } 2636 2637 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2638 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2639 2640 mi->mi_phyaddr = TULIP_MII_NOPHY; 2641 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2642 DELAY(10000); 2643 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2644 } 2645 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2646#if defined(TULIP_DEBUG) 2647 printf("%s%d: can't find phy %d\n", 2648 sc->tulip_name, sc->tulip_unit, phyno); 2649#endif 2650 break; 2651 } 2652 sc->tulip_features |= TULIP_HAVE_MII; 2653 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2654 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2655 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2656 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2657 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2658 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2659 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2660 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2661 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2662 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2663 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2664 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2665 mi++; 2666 break; 2667 } 2668 case 4: { /* 21143 SYM block */ 2669 tulip_media_t media; 2670 srom_media = (tulip_srom_media_t) dp[0]; 2671 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2672 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2673 break; 2674 } 2675 media = tulip_srom_mediums[idx3].sm_type; 2676 if (media == TULIP_MEDIA_UNKNOWN) 2677 break; 2678 mi->mi_type = TULIP_MEDIAINFO_SYM; 2679 sc->tulip_mediums[media] = mi; 2680 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2681 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2682 data = dp[5] + dp[6] * 256; 2683 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2684 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2685 mi->mi_actmask = 0; 2686 } else { 2687 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2688 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2689 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2690 } 2691 if (TULIP_IS_MEDIA_TP(media)) 2692 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2693 mi++; 2694 break; 2695 } 2696#if 0 2697 case 5: { /* 21143 Reset block */ 2698 mi->mi_type = TULIP_MEDIAINFO_RESET; 2699 mi->mi_reset_length = *dp++; 2700 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2701 dp += 2 * mi->mi_reset_length; 2702 mi++; 2703 break; 2704 } 2705#endif 2706 default: { 2707 } 2708 } 2709 dp = ep; 2710 } 2711 } 2712 return mi - sc->tulip_mediainfo; 2713} 2714 2715static const struct { 2716 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2717 unsigned char vendor_oui[3]; 2718} tulip_vendors[] = { 2719 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2720 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2721 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2722 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2723 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2724 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2725 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2726 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2727 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2728 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2729 { NULL } 2730}; 2731 2732/* 2733 * This deals with the vagaries of the address roms and the 2734 * brain-deadness that various vendors commit in using them. 2735 */ 2736static int 2737tulip_read_macaddr( 2738 tulip_softc_t * const sc) 2739{ 2740 unsigned cksum, rom_cksum, idx; 2741 u_int32_t csr; 2742 unsigned char tmpbuf[8]; 2743 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2744 2745 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2746 2747 if (sc->tulip_chipid == TULIP_21040) { 2748 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2749 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2750 int cnt = 0; 2751 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2752 cnt++; 2753 sc->tulip_rombuf[idx] = csr & 0xFF; 2754 } 2755 sc->tulip_boardsw = &tulip_21040_boardsw; 2756 } else { 2757 if (sc->tulip_chipid == TULIP_21041) { 2758 /* 2759 * Thankfully all 21041's act the same. 2760 */ 2761 sc->tulip_boardsw = &tulip_21041_boardsw; 2762 } else { 2763 /* 2764 * Assume all 21140 board are compatible with the 2765 * DEC 10/100 evaluation board. Not really valid but 2766 * it's the best we can do until every one switches to 2767 * the new SROM format. 2768 */ 2769 2770 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2771 } 2772 tulip_srom_read(sc); 2773 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2774 /* 2775 * SROM CRC is valid therefore it must be in the 2776 * new format. 2777 */ 2778 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2779 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2780 /* 2781 * No checksum is present. See if the SROM id checks out; 2782 * the first 18 bytes should be 0 followed by a 1 followed 2783 * by the number of adapters (which we don't deal with yet). 2784 */ 2785 for (idx = 0; idx < 18; idx++) { 2786 if (sc->tulip_rombuf[idx] != 0) 2787 break; 2788 } 2789 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2790 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2791 } else if (sc->tulip_chipid >= TULIP_21142) { 2792 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2793 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2794 } 2795 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2796 if (sc->tulip_chipid != TULIP_21041) 2797 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2798 2799 /* 2800 * If the SROM specifies more than one adapter, tag this as a 2801 * BASE rom. 2802 */ 2803 if (sc->tulip_rombuf[19] > 1) 2804 sc->tulip_features |= TULIP_HAVE_BASEROM; 2805 if (sc->tulip_boardsw == NULL) 2806 return -6; 2807 goto check_oui; 2808 } 2809 } 2810 2811 2812 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2813 /* 2814 * Some folks don't use the standard ethernet rom format 2815 * but instead just put the address in the first 6 bytes 2816 * of the rom and let the rest be all 0xffs. (Can we say 2817 * ZNYX?) (well sometimes they put in a checksum so we'll 2818 * start at 8). 2819 */ 2820 for (idx = 8; idx < 32; idx++) { 2821 if (sc->tulip_rombuf[idx] != 0xFF) 2822 return -4; 2823 } 2824 /* 2825 * Make sure the address is not multicast or locally assigned 2826 * that the OUI is not 00-00-00. 2827 */ 2828 if ((sc->tulip_rombuf[0] & 3) != 0) 2829 return -4; 2830 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2831 && sc->tulip_rombuf[2] == 0) 2832 return -4; 2833 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2834 sc->tulip_features |= TULIP_HAVE_OKROM; 2835 goto check_oui; 2836 } else { 2837 /* 2838 * A number of makers of multiport boards (ZNYX and Cogent) 2839 * only put on one address ROM on their 21040 boards. So 2840 * if the ROM is all zeros (or all 0xFFs), look at the 2841 * previous configured boards (as long as they are on the same 2842 * PCI bus and the bus number is non-zero) until we find the 2843 * master board with address ROM. We then use its address ROM 2844 * as the base for this board. (we add our relative board 2845 * to the last byte of its address). 2846 */ 2847 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2848 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2849 break; 2850 } 2851 if (idx == sizeof(sc->tulip_rombuf)) { 2852 int root_unit; 2853 tulip_softc_t *root_sc = NULL; 2854 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2855 root_sc = tulips[root_unit]; 2856 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2857 break; 2858 root_sc = NULL; 2859 } 2860 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2861 && root_sc->tulip_chipid == sc->tulip_chipid 2862 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2863 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2864 sc->tulip_boardsw = root_sc->tulip_boardsw; 2865 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2866 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2867 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2868 sizeof(sc->tulip_rombuf)); 2869 if (!tulip_srom_decode(sc)) 2870 return -5; 2871 } else { 2872 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2873 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2874 } 2875 /* 2876 * Now for a truly disgusting kludge: all 4 21040s on 2877 * the ZX314 share the same INTA line so the mapping 2878 * setup by the BIOS on the PCI bridge is worthless. 2879 * Rather than reprogramming the value in the config 2880 * register, we will handle this internally. 2881 */ 2882 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2883 sc->tulip_slaves = root_sc->tulip_slaves; 2884 root_sc->tulip_slaves = sc; 2885 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2886 } 2887 return 0; 2888 } 2889 } 2890 } 2891 2892 /* 2893 * This is the standard DEC address ROM test. 2894 */ 2895 2896 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2897 return -3; 2898 2899 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2900 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2901 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2902 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2903 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2904 return -2; 2905 2906 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2907 2908 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2909 cksum *= 2; 2910 if (cksum > 65535) cksum -= 65535; 2911 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2912 if (cksum > 65535) cksum -= 65535; 2913 cksum *= 2; 2914 if (cksum > 65535) cksum -= 65535; 2915 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2916 if (cksum >= 65535) cksum -= 65535; 2917 2918 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2919 2920 if (cksum != rom_cksum) 2921 return -1; 2922 2923 check_oui: 2924 /* 2925 * Check for various boards based on OUI. Did I say braindead? 2926 */ 2927 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2928 if (bcmp(sc->tulip_enaddr, 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 2938static void 2939tulip_ifmedia_add( 2940 tulip_softc_t * const sc) 2941{ 2942 tulip_media_t media; 2943 int medias = 0; 2944 2945 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2946 if (sc->tulip_mediums[media] != NULL) { 2947 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2948 0, 0); 2949 medias++; 2950 } 2951 } 2952 if (medias == 0) { 2953 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2954 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2955 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2956 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2957 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2958 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2959 } else { 2960 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2961 sc->tulip_flags |= TULIP_PRINTMEDIA; 2962 tulip_linkup(sc, sc->tulip_media); 2963 } 2964} 2965 2966static int 2967tulip_ifmedia_change( 2968 struct ifnet * const ifp) 2969{ 2970 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2971 2972 sc->tulip_flags |= TULIP_NEEDRESET; 2973 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2974 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2975 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2976 tulip_media_t media; 2977 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2978 if (sc->tulip_mediums[media] != NULL 2979 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2980 sc->tulip_flags |= TULIP_PRINTMEDIA; 2981 sc->tulip_flags &= ~TULIP_DIDNWAY; 2982 tulip_linkup(sc, media); 2983 return 0; 2984 } 2985 } 2986 } 2987 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2988 tulip_reset(sc); 2989 tulip_init(sc); 2990 return 0; 2991} 2992 2993/* 2994 * Media status callback 2995 */ 2996static void 2997tulip_ifmedia_status( 2998 struct ifnet * const ifp, 2999 struct ifmediareq *req) 3000{ 3001 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3002 3003 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3004 return; 3005 3006 req->ifm_status = IFM_AVALID; 3007 if (sc->tulip_flags & TULIP_LINKUP) 3008 req->ifm_status |= IFM_ACTIVE; 3009 3010 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3011} 3012 3013static void 3014tulip_addr_filter( 3015 tulip_softc_t * const sc) 3016{ 3017 struct ifmultiaddr *ifma; 3018 u_char *addrp; 3019 int multicnt; 3020 3021 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3022 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3023 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3024 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3025#if defined(IFF_ALLMULTI) 3026 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3027 sc->tulip_flags |= TULIP_ALLMULTI ; 3028#endif 3029 3030 multicnt = 0; 3031 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3032 ifma = ifma->ifma_link.le_next) { 3033 3034 if (ifma->ifma_addr->sa_family == AF_LINK) 3035 multicnt++; 3036 } 3037 3038 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3039 if (multicnt > 14) { 3040 u_int32_t *sp = sc->tulip_setupdata; 3041 unsigned hash; 3042 /* 3043 * Some early passes of the 21140 have broken implementations of 3044 * hash-perfect mode. When we get too many multicasts for perfect 3045 * filtering with these chips, we need to switch into hash-only 3046 * mode (this is better than all-multicast on network with lots 3047 * of multicast traffic). 3048 */ 3049 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3050 sc->tulip_flags |= TULIP_WANTHASHONLY; 3051 else 3052 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3053 /* 3054 * If we have more than 14 multicasts, we have 3055 * go into hash perfect mode (512 bit multicast 3056 * hash and one perfect hardware). 3057 */ 3058 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3059 3060 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3061 ifma = ifma->ifma_link.le_next) { 3062 3063 if (ifma->ifma_addr->sa_family != AF_LINK) 3064 continue; 3065 3066 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3067#if BYTE_ORDER == BIG_ENDIAN 3068 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3069#else 3070 sp[hash >> 4] |= 1 << (hash & 0xF); 3071#endif 3072 } 3073 /* 3074 * No reason to use a hash if we are going to be 3075 * receiving every multicast. 3076 */ 3077 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3078 hash = tulip_mchash(etherbroadcastaddr); 3079#if BYTE_ORDER == BIG_ENDIAN 3080 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3081#else 3082 sp[hash >> 4] |= 1 << (hash & 0xF); 3083#endif 3084 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3085 hash = tulip_mchash(sc->tulip_enaddr); 3086#if BYTE_ORDER == BIG_ENDIAN 3087 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3088#else 3089 sp[hash >> 4] |= 1 << (hash & 0xF); 3090#endif 3091 } else { 3092#if BYTE_ORDER == BIG_ENDIAN 3093 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3094 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3095 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3096#else 3097 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3098 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3099 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3100#endif 3101 } 3102 } 3103 } 3104 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3105 u_int32_t *sp = sc->tulip_setupdata; 3106 int idx = 0; 3107 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3108 /* 3109 * Else can get perfect filtering for 16 addresses. 3110 */ 3111 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3112 ifma = ifma->ifma_link.le_next) { 3113 if (ifma->ifma_addr->sa_family != AF_LINK) 3114 continue; 3115 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3116#if BYTE_ORDER == BIG_ENDIAN 3117 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3118 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3119 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3120#else 3121 *sp++ = ((u_int16_t *) addrp)[0]; 3122 *sp++ = ((u_int16_t *) addrp)[1]; 3123 *sp++ = ((u_int16_t *) addrp)[2]; 3124#endif 3125 idx++; 3126 } 3127 /* 3128 * Add the broadcast address. 3129 */ 3130 idx++; 3131#if BYTE_ORDER == BIG_ENDIAN 3132 *sp++ = 0xFFFF << 16; 3133 *sp++ = 0xFFFF << 16; 3134 *sp++ = 0xFFFF << 16; 3135#else 3136 *sp++ = 0xFFFF; 3137 *sp++ = 0xFFFF; 3138 *sp++ = 0xFFFF; 3139#endif 3140 } 3141 /* 3142 * Pad the rest with our hardware address 3143 */ 3144 for (; idx < 16; idx++) { 3145#if BYTE_ORDER == BIG_ENDIAN 3146 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3147 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3148 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3149#else 3150 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3151 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3152 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3153#endif 3154 } 3155 } 3156#if defined(IFF_ALLMULTI) 3157 if (sc->tulip_flags & TULIP_ALLMULTI) 3158 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3159#endif 3160} 3161 3162static void 3163tulip_reset( 3164 tulip_softc_t * const sc) 3165{ 3166 tulip_ringinfo_t *ri; 3167 tulip_desc_t *di; 3168 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3169 3170 /* 3171 * Brilliant. Simply brilliant. When switching modes/speeds 3172 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3173 * bits in CSR6 and then do a software reset to get the 21140 3174 * to properly reset its internal pathways to the right places. 3175 * Grrrr. 3176 */ 3177 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3178 && sc->tulip_boardsw->bd_media_preset != NULL) 3179 (*sc->tulip_boardsw->bd_media_preset)(sc); 3180 3181 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3182 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3183 33MHz that comes to two microseconds but wait a 3184 bit longer anyways) */ 3185 3186 if (!inreset) { 3187 sc->tulip_flags |= TULIP_INRESET; 3188 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3189 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3190 sc->tulip_if.if_start = tulip_ifstart; 3191 } 3192 3193#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3194 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3195#else 3196 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3197#endif 3198#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3199 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3200#else 3201 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3202#endif 3203 TULIP_CSR_WRITE(sc, csr_busmode, 3204 (1 << (pci_max_burst_len + 8)) 3205 |TULIP_BUSMODE_CACHE_ALIGN8 3206 |TULIP_BUSMODE_READMULTIPLE 3207 |(BYTE_ORDER != LITTLE_ENDIAN ? 3208 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3209 3210 sc->tulip_txtimer = 0; 3211 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3212 /* 3213 * Free all the mbufs that were on the transmit ring. 3214 */ 3215 for (;;) { 3216#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3217 bus_dmamap_t map; 3218#endif 3219 struct mbuf *m; 3220 IF_DEQUEUE(&sc->tulip_txq, m); 3221 if (m == NULL) 3222 break; 3223#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3224 map = M_GETCTX(m, bus_dmamap_t); 3225 bus_dmamap_unload(sc->tulip_dmatag, map); 3226 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3227#endif 3228 m_freem(m); 3229 } 3230 3231 ri = &sc->tulip_txinfo; 3232 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3233 ri->ri_free = ri->ri_max; 3234 for (di = ri->ri_first; di < ri->ri_last; di++) 3235 di->d_status = 0; 3236#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3237 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3238 0, sc->tulip_txdescmap->dm_mapsize, 3239 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3240#endif 3241 3242 /* 3243 * We need to collect all the mbufs were on the 3244 * receive ring before we reinit it either to put 3245 * them back on or to know if we have to allocate 3246 * more. 3247 */ 3248 ri = &sc->tulip_rxinfo; 3249 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3250 ri->ri_free = ri->ri_max; 3251 for (di = ri->ri_first; di < ri->ri_last; di++) { 3252 di->d_status = 0; 3253 di->d_length1 = 0; di->d_addr1 = 0; 3254 di->d_length2 = 0; di->d_addr2 = 0; 3255 } 3256#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3257 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3258 0, sc->tulip_rxdescmap->dm_mapsize, 3259 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3260#endif 3261 for (;;) { 3262#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3263 bus_dmamap_t map; 3264#endif 3265 struct mbuf *m; 3266 IF_DEQUEUE(&sc->tulip_rxq, m); 3267 if (m == NULL) 3268 break; 3269#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3270 map = M_GETCTX(m, bus_dmamap_t); 3271 bus_dmamap_unload(sc->tulip_dmatag, map); 3272 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3273#endif 3274 m_freem(m); 3275 } 3276 3277 /* 3278 * If tulip_reset is being called recurisvely, exit quickly knowing 3279 * that when the outer tulip_reset returns all the right stuff will 3280 * have happened. 3281 */ 3282 if (inreset) 3283 return; 3284 3285 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3286 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3287 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3288 |TULIP_STS_RXSTOPPED; 3289 3290 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3291 (*sc->tulip_boardsw->bd_media_select)(sc); 3292#if defined(TULIP_DEBUG) 3293 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3294 printf("%s%d: tulip_reset: additional reset needed?!?\n", 3295 sc->tulip_name, sc->tulip_unit); 3296#endif 3297 tulip_media_print(sc); 3298 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3299 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3300 3301 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3302 |TULIP_RXACT); 3303 tulip_addr_filter(sc); 3304} 3305 3306static void 3307tulip_init( 3308 tulip_softc_t * const sc) 3309{ 3310 if (sc->tulip_if.if_flags & IFF_UP) { 3311 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3312 /* initialize the media */ 3313 tulip_reset(sc); 3314 } 3315 sc->tulip_if.if_flags |= IFF_RUNNING; 3316 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3317 sc->tulip_flags |= TULIP_PROMISC; 3318 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3319 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3320 } else { 3321 sc->tulip_flags &= ~TULIP_PROMISC; 3322 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3323 if (sc->tulip_flags & TULIP_ALLMULTI) { 3324 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3325 } else { 3326 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3327 } 3328 } 3329 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3330 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3331 tulip_rx_intr(sc); 3332 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3333 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3334 } else { 3335 sc->tulip_if.if_flags |= IFF_OACTIVE; 3336 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3337 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3338 } 3339 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3340 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3341 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3342 tulip_txput_setup(sc); 3343 } else { 3344 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3345 tulip_reset(sc); 3346 } 3347} 3348 3349static void 3350tulip_rx_intr( 3351 tulip_softc_t * const sc) 3352{ 3353 TULIP_PERFSTART(rxintr) 3354 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3355 struct ifnet * const ifp = &sc->tulip_if; 3356 int fillok = 1; 3357#if defined(TULIP_DEBUG) 3358 int cnt = 0; 3359#endif 3360 3361 for (;;) { 3362 TULIP_PERFSTART(rxget) 3363 struct ether_header eh; 3364 tulip_desc_t *eop = ri->ri_nextin; 3365 int total_len = 0, last_offset = 0; 3366 struct mbuf *ms = NULL, *me = NULL; 3367 int accept = 0; 3368#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3369 bus_dmamap_t map; 3370 int error; 3371#endif 3372 3373 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3374 goto queue_mbuf; 3375 3376#if defined(TULIP_DEBUG) 3377 if (cnt == ri->ri_max) 3378 break; 3379#endif 3380 /* 3381 * If the TULIP has no descriptors, there can't be any receive 3382 * descriptors to process. 3383 */ 3384 if (eop == ri->ri_nextout) 3385 break; 3386 3387 /* 3388 * 90% of the packets will fit in one descriptor. So we optimize 3389 * for that case. 3390 */ 3391 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3392 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3393 IF_DEQUEUE(&sc->tulip_rxq, ms); 3394 me = ms; 3395 } else { 3396 /* 3397 * If still owned by the TULIP, don't touch it. 3398 */ 3399 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3400 break; 3401 3402 /* 3403 * It is possible (though improbable unless the BIG_PACKET support 3404 * is enabled or MCLBYTES < 1518) for a received packet to cross 3405 * more than one receive descriptor. 3406 */ 3407 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3408 if (++eop == ri->ri_last) 3409 eop = ri->ri_first; 3410 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3411 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3412#if defined(TULIP_DEBUG) 3413 sc->tulip_dbg.dbg_rxintrs++; 3414 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3415#endif 3416 TULIP_PERFEND(rxget); 3417 TULIP_PERFEND(rxintr); 3418 return; 3419 } 3420 total_len++; 3421 } 3422 3423 /* 3424 * Dequeue the first buffer for the start of the packet. Hopefully 3425 * this will be the only one we need to dequeue. However, if the 3426 * packet consumed multiple descriptors, then we need to dequeue 3427 * those buffers and chain to the starting mbuf. All buffers but 3428 * the last buffer have the same length so we can set that now. 3429 * (we add to last_offset instead of multiplying since we normally 3430 * won't go into the loop and thereby saving a ourselves from 3431 * doing a multiplication by 0 in the normal case). 3432 */ 3433 IF_DEQUEUE(&sc->tulip_rxq, ms); 3434 for (me = ms; total_len > 0; total_len--) { 3435#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3436 map = M_GETCTX(me, bus_dmamap_t); 3437 TULIP_RXMAP_POSTSYNC(sc, map); 3438 bus_dmamap_unload(sc->tulip_dmatag, map); 3439 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3440#if defined(DIAGNOSTIC) 3441 M_SETCTX(me, NULL); 3442#endif 3443#endif /* TULIP_BUS_DMA */ 3444 me->m_len = TULIP_RX_BUFLEN; 3445 last_offset += TULIP_RX_BUFLEN; 3446 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3447 me = me->m_next; 3448 } 3449 } 3450 3451 /* 3452 * Now get the size of received packet (minus the CRC). 3453 */ 3454 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3455 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3456 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3457#ifdef BIG_PACKET 3458 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3459 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3460 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3461 TULIP_DSTS_RxOVERFLOW)) == 0) 3462#endif 3463 )) { 3464 me->m_len = total_len - last_offset; 3465 3466#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3467 map = M_GETCTX(me, bus_dmamap_t); 3468 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3469 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3470 bus_dmamap_unload(sc->tulip_dmatag, map); 3471 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3472#if defined(DIAGNOSTIC) 3473 M_SETCTX(me, NULL); 3474#endif 3475#endif /* TULIP_BUS_DMA */ 3476 3477 eh = *mtod(ms, struct ether_header *); 3478 if (sc->tulip_if.if_bpf != NULL) { 3479 if (me == ms) 3480 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3481 else 3482 bpf_mtap(&sc->tulip_if, ms); 3483 } 3484 sc->tulip_flags |= TULIP_RXACT; 3485 3486#ifdef BRIDGE /* see code in if_ed.c */ 3487 ms->m_pkthdr.rcvif = ifp; /* XXX */ 3488 ms->m_pkthdr.len = total_len; /* XXX */ 3489 if (do_bridge) { 3490 struct ifnet *bdg_ifp ; 3491 bdg_ifp = bridge_in(ms); 3492 if (bdg_ifp == BDG_DROP) 3493 goto next ; /* and drop */ 3494 if (bdg_ifp != BDG_LOCAL) 3495 bdg_forward(&ms, bdg_ifp); 3496 if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && 3497 bdg_ifp != BDG_MCAST) 3498 goto next ; /* and drop */ 3499 /* all others accepted locally */ 3500 } else 3501#endif 3502 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3503 && (eh.ether_dhost[0] & 1) == 0 3504 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3505 goto next; 3506 accept = 1; 3507 } else { 3508 ifp->if_ierrors++; 3509 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3510 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3511 } else { 3512#if defined(TULIP_VERBOSE) 3513 const char *error = NULL; 3514#endif 3515 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3516 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3517#if defined(TULIP_VERBOSE) 3518 error = "frame too long"; 3519#endif 3520 } 3521 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3522 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3523 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3524#if defined(TULIP_VERBOSE) 3525 error = "alignment error"; 3526#endif 3527 } else { 3528 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3529#if defined(TULIP_VERBOSE) 3530 error = "bad crc"; 3531#endif 3532 } 3533 } 3534#if defined(TULIP_VERBOSE) 3535 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3536 printf("%s%d: receive: %6D: %s\n", 3537 sc->tulip_name, sc->tulip_unit, 3538 mtod(ms, u_char *) + 6, ":", 3539 error); 3540 sc->tulip_flags |= TULIP_NOMESSAGES; 3541 } 3542#endif 3543 } 3544 3545#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3546 map = M_GETCTX(me, bus_dmamap_t); 3547 bus_dmamap_unload(sc->tulip_dmatag, map); 3548 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3549#if defined(DIAGNOSTIC) 3550 M_SETCTX(me, NULL); 3551#endif 3552#endif /* TULIP_BUS_DMA */ 3553 } 3554 next: 3555#if defined(TULIP_DEBUG) 3556 cnt++; 3557#endif 3558 ifp->if_ipackets++; 3559 if (++eop == ri->ri_last) 3560 eop = ri->ri_first; 3561 ri->ri_nextin = eop; 3562 queue_mbuf: 3563 /* 3564 * Either we are priming the TULIP with mbufs (m == NULL) 3565 * or we are about to accept an mbuf for the upper layers 3566 * so we need to allocate an mbuf to replace it. If we 3567 * can't replace it, send up it anyways. This may cause 3568 * us to drop packets in the future but that's better than 3569 * being caught in livelock. 3570 * 3571 * Note that if this packet crossed multiple descriptors 3572 * we don't even try to reallocate all the mbufs here. 3573 * Instead we rely on the test of the beginning of 3574 * the loop to refill for the extra consumed mbufs. 3575 */ 3576 if (accept || ms == NULL) { 3577 struct mbuf *m0; 3578 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3579 if (m0 != NULL) { 3580#if defined(TULIP_COPY_RXDATA) 3581 if (!accept || total_len >= (MHLEN - 2)) { 3582#endif 3583 MCLGET(m0, M_DONTWAIT); 3584 if ((m0->m_flags & M_EXT) == 0) { 3585 m_freem(m0); 3586 m0 = NULL; 3587 } 3588#if defined(TULIP_COPY_RXDATA) 3589 } 3590#endif 3591 } 3592 if (accept 3593#if defined(TULIP_COPY_RXDATA) 3594 && m0 != NULL 3595#endif 3596 ) { 3597#if !defined(TULIP_COPY_RXDATA) 3598 ms->m_pkthdr.len = total_len; 3599 ms->m_pkthdr.rcvif = ifp; 3600 m_adj(ms, sizeof(struct ether_header)); 3601 ether_input(ifp, &eh, ms); 3602#else 3603#ifdef BIG_PACKET 3604#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3605#endif 3606 m0->m_data += 2; /* align data after header */ 3607 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3608 m0->m_len = m0->m_pkthdr.len = total_len; 3609 m0->m_pkthdr.rcvif = ifp; 3610 m_adj(m0, sizeof(struct ether_header)); 3611 ether_input(ifp, &eh, m0); 3612 m0 = ms; 3613#endif /* ! TULIP_COPY_RXDATA */ 3614 } 3615 ms = m0; 3616 } 3617 if (ms == NULL) { 3618 /* 3619 * Couldn't allocate a new buffer. Don't bother 3620 * trying to replenish the receive queue. 3621 */ 3622 fillok = 0; 3623 sc->tulip_flags |= TULIP_RXBUFSLOW; 3624#if defined(TULIP_DEBUG) 3625 sc->tulip_dbg.dbg_rxlowbufs++; 3626#endif 3627 TULIP_PERFEND(rxget); 3628 continue; 3629 } 3630 /* 3631 * Now give the buffer(s) to the TULIP and save in our 3632 * receive queue. 3633 */ 3634 do { 3635 tulip_desc_t * const nextout = ri->ri_nextout; 3636#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3637 if (sc->tulip_rxmaps_free > 0) { 3638 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3639 } else { 3640 m_freem(ms); 3641 sc->tulip_flags |= TULIP_RXBUFSLOW; 3642#if defined(TULIP_DEBUG) 3643 sc->tulip_dbg.dbg_rxlowbufs++; 3644#endif 3645 break; 3646 } 3647 M_SETCTX(ms, map); 3648 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3649 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3650 if (error) { 3651 printf("%s%d: unable to load rx map, " 3652 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 3653 panic("tulip_rx_intr"); /* XXX */ 3654 } 3655 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3656 nextout->d_length1 = map->dm_segs[0].ds_len; 3657 if (map->dm_nsegs == 2) { 3658 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3659 nextout->d_length2 = map->dm_segs[1].ds_len; 3660 } else { 3661 nextout->d_addr2 = 0; 3662 nextout->d_length2 = 0; 3663 } 3664 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3665#else /* TULIP_BUS_DMA */ 3666 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3667 nextout->d_length1 = TULIP_RX_BUFLEN; 3668#endif /* TULIP_BUS_DMA */ 3669 nextout->d_status = TULIP_DSTS_OWNER; 3670 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3671 if (++ri->ri_nextout == ri->ri_last) 3672 ri->ri_nextout = ri->ri_first; 3673 me = ms->m_next; 3674 ms->m_next = NULL; 3675 IF_ENQUEUE(&sc->tulip_rxq, ms); 3676 } while ((ms = me) != NULL); 3677 3678 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3679 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3680 TULIP_PERFEND(rxget); 3681 } 3682 3683#if defined(TULIP_DEBUG) 3684 sc->tulip_dbg.dbg_rxintrs++; 3685 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3686#endif 3687 TULIP_PERFEND(rxintr); 3688} 3689 3690static int 3691tulip_tx_intr( 3692 tulip_softc_t * const sc) 3693{ 3694 TULIP_PERFSTART(txintr) 3695 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3696 struct mbuf *m; 3697 int xmits = 0; 3698 int descs = 0; 3699 3700 while (ri->ri_free < ri->ri_max) { 3701 u_int32_t d_flag; 3702 3703 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3704 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3705 break; 3706 3707 ri->ri_free++; 3708 descs++; 3709 d_flag = ri->ri_nextin->d_flag; 3710 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3711 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3712 /* 3713 * We've just finished processing a setup packet. 3714 * Mark that we finished it. If there's not 3715 * another pending, startup the TULIP receiver. 3716 * Make sure we ack the RXSTOPPED so we won't get 3717 * an abormal interrupt indication. 3718 */ 3719 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3720 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3721 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3722 sc->tulip_flags |= TULIP_HASHONLY; 3723 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3724 tulip_rx_intr(sc); 3725 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3726 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3727 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3728 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3729 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3730 } 3731 } else { 3732 const u_int32_t d_status = ri->ri_nextin->d_status; 3733 IF_DEQUEUE(&sc->tulip_txq, m); 3734 if (m != NULL) { 3735#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3736 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3737 TULIP_TXMAP_POSTSYNC(sc, map); 3738 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3739#endif /* TULIP_BUS_DMA */ 3740 m_freem(m); 3741#if defined(TULIP_DEBUG) 3742 } else { 3743 printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n", 3744 sc->tulip_name, sc->tulip_unit); 3745#endif 3746 } 3747 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3748 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3749 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3750#if defined(TULIP_DEBUG) 3751 if (d_status & TULIP_DSTS_TxNOCARR) 3752 sc->tulip_dbg.dbg_txprobe_nocarr++; 3753 if (d_status & TULIP_DSTS_TxEXCCOLL) 3754 sc->tulip_dbg.dbg_txprobe_exccoll++; 3755#endif 3756 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3757 } 3758 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3759 /* 3760 * Escape from the loop before media poll has reset the TULIP! 3761 */ 3762 break; 3763 } else { 3764 xmits++; 3765 if (d_status & TULIP_DSTS_ERRSUM) { 3766 sc->tulip_if.if_oerrors++; 3767 if (d_status & TULIP_DSTS_TxEXCCOLL) 3768 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3769 if (d_status & TULIP_DSTS_TxLATECOLL) 3770 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3771 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3772 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3773 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3774 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3775 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3776 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3777 if (d_status & TULIP_DSTS_TxBABBLE) 3778 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3779 } else { 3780 u_int32_t collisions = 3781 (d_status & TULIP_DSTS_TxCOLLMASK) 3782 >> TULIP_DSTS_V_TxCOLLCNT; 3783 sc->tulip_if.if_collisions += collisions; 3784 if (collisions == 1) 3785 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3786 else if (collisions > 1) 3787 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3788 else if (d_status & TULIP_DSTS_TxDEFERRED) 3789 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3790 /* 3791 * SQE is only valid for 10baseT/BNC/AUI when not 3792 * running in full-duplex. In order to speed up the 3793 * test, the corresponding bit in tulip_flags needs to 3794 * set as well to get us to count SQE Test Errors. 3795 */ 3796 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3797 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3798 } 3799 } 3800 } 3801 } 3802 3803 if (++ri->ri_nextin == ri->ri_last) 3804 ri->ri_nextin = ri->ri_first; 3805 3806 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3807 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3808 } 3809 /* 3810 * If nothing left to transmit, disable the timer. 3811 * Else if progress, reset the timer back to 2 ticks. 3812 */ 3813 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3814 sc->tulip_txtimer = 0; 3815 else if (xmits > 0) 3816 sc->tulip_txtimer = TULIP_TXTIMER; 3817 sc->tulip_if.if_opackets += xmits; 3818 TULIP_PERFEND(txintr); 3819 return descs; 3820} 3821 3822static void 3823tulip_print_abnormal_interrupt( 3824 tulip_softc_t * const sc, 3825 u_int32_t csr) 3826{ 3827 const char * const *msgp = tulip_status_bits; 3828 const char *sep; 3829 u_int32_t mask; 3830 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3831 3832 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3833 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3834 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3835 if ((csr & mask) && *msgp != NULL) { 3836 printf("%s%s", sep, *msgp); 3837 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3838 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3839 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3840 printf(" (switching to store-and-forward mode)"); 3841 } else { 3842 printf(" (raising TX threshold to %s)", 3843 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3844 } 3845 } 3846 sep = ", "; 3847 } 3848 } 3849 printf("\n"); 3850} 3851 3852static void 3853tulip_intr_handler( 3854 tulip_softc_t * const sc, 3855 int *progress_p) 3856{ 3857 TULIP_PERFSTART(intr) 3858 u_int32_t csr; 3859 3860 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3861 *progress_p = 1; 3862 TULIP_CSR_WRITE(sc, csr_status, csr); 3863 3864 if (csr & TULIP_STS_SYSERROR) { 3865 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3866 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3867 sc->tulip_flags |= TULIP_SYSTEMERROR; 3868 } else { 3869 printf("%s%d: system error: %s\n", 3870 sc->tulip_name, sc->tulip_unit, 3871 tulip_system_errors[sc->tulip_last_system_error]); 3872 } 3873 sc->tulip_flags |= TULIP_NEEDRESET; 3874 sc->tulip_system_errors++; 3875 break; 3876 } 3877 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3878#if defined(TULIP_DEBUG) 3879 sc->tulip_dbg.dbg_link_intrs++; 3880#endif 3881 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3882 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3883 ? TULIP_MEDIAPOLL_LINKFAIL 3884 : TULIP_MEDIAPOLL_LINKPASS); 3885 csr &= ~TULIP_STS_ABNRMLINTR; 3886 } 3887 tulip_media_print(sc); 3888 } 3889 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3890 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3891 if (csr & TULIP_STS_RXNOBUF) 3892 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3893 /* 3894 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3895 * on receive overflows. 3896 */ 3897 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3898 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3899 /* 3900 * Stop the receiver process and spin until it's stopped. 3901 * Tell rx_intr to drop the packets it dequeues. 3902 */ 3903 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3904 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3905 ; 3906 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3907 sc->tulip_flags |= TULIP_RXIGNORE; 3908 } 3909 tulip_rx_intr(sc); 3910 if (sc->tulip_flags & TULIP_RXIGNORE) { 3911 /* 3912 * Restart the receiver. 3913 */ 3914 sc->tulip_flags &= ~TULIP_RXIGNORE; 3915 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3916 } 3917 } 3918 if (csr & TULIP_STS_ABNRMLINTR) { 3919 u_int32_t tmp = csr & sc->tulip_intrmask 3920 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3921 if (csr & TULIP_STS_TXUNDERFLOW) { 3922 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3923 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3924 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3925 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3926 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3927 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3928 } 3929 } 3930 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3931 sc->tulip_statusbits |= tmp; 3932 } else { 3933 tulip_print_abnormal_interrupt(sc, tmp); 3934 sc->tulip_flags |= TULIP_NOMESSAGES; 3935 } 3936 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3937 } 3938 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3939 tulip_tx_intr(sc); 3940 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3941 tulip_ifstart(&sc->tulip_if); 3942 } 3943 } 3944 if (sc->tulip_flags & TULIP_NEEDRESET) { 3945 tulip_reset(sc); 3946 tulip_init(sc); 3947 } 3948 TULIP_PERFEND(intr); 3949} 3950 3951#if defined(TULIP_USE_SOFTINTR) 3952/* 3953 * This is a experimental idea to alleviate problems due to interrupt 3954 * livelock. What is interrupt livelock? It's when you spend all your 3955 * time servicing device interrupts and never drop below device ipl 3956 * to do "useful" work. 3957 * 3958 * So what we do here is see if the device needs service and if so, 3959 * disable interrupts (dismiss the interrupt), place it in a list of devices 3960 * needing service, and issue a network software interrupt. 3961 * 3962 * When our network software interrupt routine gets called, we simply 3963 * walk done the list of devices that we have created and deal with them 3964 * at splnet/splsoftnet. 3965 * 3966 */ 3967static void 3968tulip_hardintr_handler( 3969 tulip_softc_t * const sc, 3970 int *progress_p) 3971{ 3972 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3973 return; 3974 *progress_p = 1; 3975 /* 3976 * disable interrupts 3977 */ 3978 TULIP_CSR_WRITE(sc, csr_intr, 0); 3979 /* 3980 * mark it as needing a software interrupt 3981 */ 3982 tulip_softintr_mask |= (1U << sc->tulip_unit); 3983} 3984 3985static void 3986tulip_softintr( 3987 void) 3988{ 3989 u_int32_t softintr_mask, mask; 3990 int progress = 0; 3991 int unit; 3992 int s; 3993 3994 /* 3995 * Copy mask to local copy and reset global one to 0. 3996 */ 3997 s = splimp(); 3998 softintr_mask = tulip_softintr_mask; 3999 tulip_softintr_mask = 0; 4000 splx(s); 4001 4002 /* 4003 * Optimize for the single unit case. 4004 */ 4005 if (tulip_softintr_max_unit == 0) { 4006 if (softintr_mask & 1) { 4007 tulip_softc_t * const sc = tulips[0]; 4008 /* 4009 * Handle the "interrupt" and then reenable interrupts 4010 */ 4011 softintr_mask = 0; 4012 tulip_intr_handler(sc, &progress); 4013 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4014 } 4015 return; 4016 } 4017 4018 /* 4019 * Handle all "queued" interrupts in a round robin fashion. 4020 * This is done so as not to favor a particular interface. 4021 */ 4022 unit = tulip_softintr_last_unit; 4023 mask = (1U << unit); 4024 while (softintr_mask != 0) { 4025 if (tulip_softintr_max_unit == unit) { 4026 unit = 0; mask = 1; 4027 } else { 4028 unit += 1; mask <<= 1; 4029 } 4030 if (softintr_mask & mask) { 4031 tulip_softc_t * const sc = tulips[unit]; 4032 /* 4033 * Handle the "interrupt" and then reenable interrupts 4034 */ 4035 softintr_mask ^= mask; 4036 tulip_intr_handler(sc, &progress); 4037 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4038 } 4039 } 4040 4041 /* 4042 * Save where we ending up. 4043 */ 4044 tulip_softintr_last_unit = unit; 4045} 4046#endif /* TULIP_USE_SOFTINTR */ 4047 4048static void 4049tulip_intr_shared( 4050 void *arg) 4051{ 4052 tulip_softc_t * sc = arg; 4053 int progress = 0; 4054 4055 for (; sc != NULL; sc = sc->tulip_slaves) { 4056#if defined(TULIP_DEBUG) 4057 sc->tulip_dbg.dbg_intrs++; 4058#endif 4059#if defined(TULIP_USE_SOFTINTR) 4060 tulip_hardintr_handler(sc, &progress); 4061#else 4062 tulip_intr_handler(sc, &progress); 4063#endif 4064 } 4065#if defined(TULIP_USE_SOFTINTR) 4066 if (progress) 4067 schednetisr(NETISR_DE); 4068#endif 4069} 4070 4071static void 4072tulip_intr_normal( 4073 void *arg) 4074{ 4075 tulip_softc_t * sc = (tulip_softc_t *) arg; 4076 int progress = 0; 4077 4078#if defined(TULIP_DEBUG) 4079 sc->tulip_dbg.dbg_intrs++; 4080#endif 4081#if defined(TULIP_USE_SOFTINTR) 4082 tulip_hardintr_handler(sc, &progress); 4083 if (progress) 4084 schednetisr(NETISR_DE); 4085#else 4086 tulip_intr_handler(sc, &progress); 4087#endif 4088} 4089 4090static struct mbuf * 4091tulip_mbuf_compress( 4092 struct mbuf *m) 4093{ 4094 struct mbuf *m0; 4095#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4096 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4097 if (m0 != NULL) { 4098 if (m->m_pkthdr.len > MHLEN) { 4099 MCLGET(m0, M_DONTWAIT); 4100 if ((m0->m_flags & M_EXT) == 0) { 4101 m_freem(m); 4102 m_freem(m0); 4103 return NULL; 4104 } 4105 } 4106 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4107 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4108 } 4109#else 4110 int mlen = MHLEN; 4111 int len = m->m_pkthdr.len; 4112 struct mbuf **mp = &m0; 4113 4114 while (len > 0) { 4115 if (mlen == MHLEN) { 4116 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4117 } else { 4118 MGET(*mp, M_DONTWAIT, MT_DATA); 4119 } 4120 if (*mp == NULL) { 4121 m_freem(m0); 4122 m0 = NULL; 4123 break; 4124 } 4125 if (len > MLEN) { 4126 MCLGET(*mp, M_DONTWAIT); 4127 if (((*mp)->m_flags & M_EXT) == 0) { 4128 m_freem(m0); 4129 m0 = NULL; 4130 break; 4131 } 4132 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4133 } else { 4134 (*mp)->m_len = len <= mlen ? len : mlen; 4135 } 4136 m_copydata(m, m->m_pkthdr.len - len, 4137 (*mp)->m_len, mtod((*mp), caddr_t)); 4138 len -= (*mp)->m_len; 4139 mp = &(*mp)->m_next; 4140 mlen = MLEN; 4141 } 4142#endif 4143 m_freem(m); 4144 return m0; 4145} 4146 4147static struct mbuf * 4148tulip_txput( 4149 tulip_softc_t * const sc, 4150 struct mbuf *m) 4151{ 4152 TULIP_PERFSTART(txput) 4153 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4154 tulip_desc_t *eop, *nextout; 4155 int segcnt, free; 4156 u_int32_t d_status; 4157#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4158 bus_dmamap_t map; 4159 int error; 4160#else 4161 struct mbuf *m0; 4162#endif 4163 4164#if defined(TULIP_DEBUG) 4165 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4166 printf("%s%d: txput%s: tx not running\n", 4167 sc->tulip_name, sc->tulip_unit, 4168 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4169 sc->tulip_flags |= TULIP_WANTTXSTART; 4170 sc->tulip_dbg.dbg_txput_finishes[0]++; 4171 goto finish; 4172 } 4173#endif 4174 4175 /* 4176 * Now we try to fill in our transmit descriptors. This is 4177 * a bit reminiscent of going on the Ark two by two 4178 * since each descriptor for the TULIP can describe 4179 * two buffers. So we advance through packet filling 4180 * each of the two entries at a time to to fill each 4181 * descriptor. Clear the first and last segment bits 4182 * in each descriptor (actually just clear everything 4183 * but the end-of-ring or chain bits) to make sure 4184 * we don't get messed up by previously sent packets. 4185 * 4186 * We may fail to put the entire packet on the ring if 4187 * there is either not enough ring entries free or if the 4188 * packet has more than MAX_TXSEG segments. In the former 4189 * case we will just wait for the ring to empty. In the 4190 * latter case we have to recopy. 4191 */ 4192#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4193 again: 4194 m0 = m; 4195#endif 4196 d_status = 0; 4197 eop = nextout = ri->ri_nextout; 4198 segcnt = 0; 4199 free = ri->ri_free; 4200 4201#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4202 /* 4203 * Reclaim some dma maps from if we are out. 4204 */ 4205 if (sc->tulip_txmaps_free == 0) { 4206#if defined(TULIP_DEBUG) 4207 sc->tulip_dbg.dbg_no_txmaps++; 4208#endif 4209 free += tulip_tx_intr(sc); 4210 } 4211 if (sc->tulip_txmaps_free > 0) { 4212 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4213 } else { 4214 sc->tulip_flags |= TULIP_WANTTXSTART; 4215#if defined(TULIP_DEBUG) 4216 sc->tulip_dbg.dbg_txput_finishes[1]++; 4217#endif 4218 goto finish; 4219 } 4220 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4221 if (error != 0) { 4222 if (error == EFBIG) { 4223 /* 4224 * The packet exceeds the number of transmit buffer 4225 * entries that we can use for one packet, so we have 4226 * to recopy it into one mbuf and then try again. 4227 */ 4228 m = tulip_mbuf_compress(m); 4229 if (m == NULL) { 4230#if defined(TULIP_DEBUG) 4231 sc->tulip_dbg.dbg_txput_finishes[2]++; 4232#endif 4233 goto finish; 4234 } 4235 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4236 } 4237 if (error != 0) { 4238 printf("%s%d: unable to load tx map, " 4239 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 4240#if defined(TULIP_DEBUG) 4241 sc->tulip_dbg.dbg_txput_finishes[3]++; 4242#endif 4243 goto finish; 4244 } 4245 } 4246 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4247 /* 4248 * See if there's any unclaimed space in the transmit ring. 4249 */ 4250 && (free += tulip_tx_intr(sc)) <= 0) { 4251 /* 4252 * There's no more room but since nothing 4253 * has been committed at this point, just 4254 * show output is active, put back the 4255 * mbuf and return. 4256 */ 4257 sc->tulip_flags |= TULIP_WANTTXSTART; 4258#if defined(TULIP_DEBUG) 4259 sc->tulip_dbg.dbg_txput_finishes[4]++; 4260#endif 4261 bus_dmamap_unload(sc->tulip_dmatag, map); 4262 goto finish; 4263 } 4264 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4265 eop = nextout; 4266 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4267 eop->d_status = d_status; 4268 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4269 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4270 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4271 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4272 d_status = TULIP_DSTS_OWNER; 4273 if (++nextout == ri->ri_last) 4274 nextout = ri->ri_first; 4275 } 4276 if (segcnt < map->dm_nsegs) { 4277 eop = nextout; 4278 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4279 eop->d_status = d_status; 4280 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4281 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4282 eop->d_addr2 = 0; 4283 eop->d_length2 = 0; 4284 if (++nextout == ri->ri_last) 4285 nextout = ri->ri_first; 4286 } 4287 TULIP_TXMAP_PRESYNC(sc, map); 4288 M_SETCTX(m, map); 4289 map = NULL; 4290 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4291 4292#else /* !TULIP_BUS_DMA */ 4293 4294 do { 4295 int len = m0->m_len; 4296 caddr_t addr = mtod(m0, caddr_t); 4297 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4298 4299 while (len > 0) { 4300 unsigned slen = min(len, clsize); 4301#ifdef BIG_PACKET 4302 int partial = 0; 4303 if (slen >= 2048) 4304 slen = 2040, partial = 1; 4305#endif 4306 segcnt++; 4307 if (segcnt > TULIP_MAX_TXSEG) { 4308 /* 4309 * The packet exceeds the number of transmit buffer 4310 * entries that we can use for one packet, so we have 4311 * recopy it into one mbuf and then try again. 4312 */ 4313 m = tulip_mbuf_compress(m); 4314 if (m == NULL) 4315 goto finish; 4316 goto again; 4317 } 4318 if (segcnt & 1) { 4319 if (--free == 0) { 4320 /* 4321 * See if there's any unclaimed space in the 4322 * transmit ring. 4323 */ 4324 if ((free += tulip_tx_intr(sc)) == 0) { 4325 /* 4326 * There's no more room but since nothing 4327 * has been committed at this point, just 4328 * show output is active, put back the 4329 * mbuf and return. 4330 */ 4331 sc->tulip_flags |= TULIP_WANTTXSTART; 4332#if defined(TULIP_DEBUG) 4333 sc->tulip_dbg.dbg_txput_finishes[1]++; 4334#endif 4335 goto finish; 4336 } 4337 } 4338 eop = nextout; 4339 if (++nextout == ri->ri_last) 4340 nextout = ri->ri_first; 4341 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4342 eop->d_status = d_status; 4343 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4344 eop->d_length1 = slen; 4345 } else { 4346 /* 4347 * Fill in second half of descriptor 4348 */ 4349 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4350 eop->d_length2 = slen; 4351 } 4352 d_status = TULIP_DSTS_OWNER; 4353 len -= slen; 4354 addr += slen; 4355#ifdef BIG_PACKET 4356 if (partial) 4357 continue; 4358#endif 4359 clsize = PAGE_SIZE; 4360 } 4361 } while ((m0 = m0->m_next) != NULL); 4362#endif /* TULIP_BUS_DMA */ 4363 4364 /* 4365 * bounce a copy to the bpf listener, if any. 4366 */ 4367 if (sc->tulip_if.if_bpf != NULL) 4368 bpf_mtap(&sc->tulip_if, m); 4369 4370 /* 4371 * The descriptors have been filled in. Now get ready 4372 * to transmit. 4373 */ 4374 IF_ENQUEUE(&sc->tulip_txq, m); 4375 m = NULL; 4376 4377 /* 4378 * Make sure the next descriptor after this packet is owned 4379 * by us since it may have been set up above if we ran out 4380 * of room in the ring. 4381 */ 4382 nextout->d_status = 0; 4383 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4384 4385#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4386 /* 4387 * If we only used the first segment of the last descriptor, 4388 * make sure the second segment will not be used. 4389 */ 4390 if (segcnt & 1) { 4391 eop->d_addr2 = 0; 4392 eop->d_length2 = 0; 4393 } 4394#endif /* TULIP_BUS_DMA */ 4395 4396 /* 4397 * Mark the last and first segments, indicate we want a transmit 4398 * complete interrupt, and tell it to transmit! 4399 */ 4400 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4401 4402 /* 4403 * Note that ri->ri_nextout is still the start of the packet 4404 * and until we set the OWNER bit, we can still back out of 4405 * everything we have done. 4406 */ 4407 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4408#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4409 if (eop < ri->ri_nextout) { 4410 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4411 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4412 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4413 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4414 } else { 4415 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4416 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4417 } 4418#endif 4419 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4420 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4421 4422 /* 4423 * This advances the ring for us. 4424 */ 4425 ri->ri_nextout = nextout; 4426 ri->ri_free = free; 4427 4428 TULIP_PERFEND(txput); 4429 4430 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4431 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4432 sc->tulip_if.if_flags |= IFF_OACTIVE; 4433 sc->tulip_if.if_start = tulip_ifstart; 4434 TULIP_PERFEND(txput); 4435 return NULL; 4436 } 4437 4438 /* 4439 * switch back to the single queueing ifstart. 4440 */ 4441 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4442 if (sc->tulip_txtimer == 0) 4443 sc->tulip_txtimer = TULIP_TXTIMER; 4444#if defined(TULIP_DEBUG) 4445 sc->tulip_dbg.dbg_txput_finishes[5]++; 4446#endif 4447 4448 /* 4449 * If we want a txstart, there must be not enough space in the 4450 * transmit ring. So we want to enable transmit done interrupts 4451 * so we can immediately reclaim some space. When the transmit 4452 * interrupt is posted, the interrupt handler will call tx_intr 4453 * to reclaim space and then txstart (since WANTTXSTART is set). 4454 * txstart will move the packet into the transmit ring and clear 4455 * WANTTXSTART thereby causing TXINTR to be cleared. 4456 */ 4457 finish: 4458#if defined(TULIP_DEBUG) 4459 sc->tulip_dbg.dbg_txput_finishes[6]++; 4460#endif 4461 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4462 sc->tulip_if.if_flags |= IFF_OACTIVE; 4463 sc->tulip_if.if_start = tulip_ifstart; 4464 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4465 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4466 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4467 } 4468 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4469 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4470 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4471 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4472 } 4473 } 4474 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4475 TULIP_PERFEND(txput); 4476 return m; 4477} 4478 4479static void 4480tulip_txput_setup( 4481 tulip_softc_t * const sc) 4482{ 4483 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4484 tulip_desc_t *nextout; 4485 4486 /* 4487 * We will transmit, at most, one setup packet per call to ifstart. 4488 */ 4489 4490#if defined(TULIP_DEBUG) 4491 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4492 printf("%s%d: txput_setup: tx not running\n", 4493 sc->tulip_name, sc->tulip_unit); 4494 sc->tulip_flags |= TULIP_WANTTXSTART; 4495 sc->tulip_if.if_start = tulip_ifstart; 4496 return; 4497 } 4498#endif 4499 /* 4500 * Try to reclaim some free descriptors.. 4501 */ 4502 if (ri->ri_free < 2) 4503 tulip_tx_intr(sc); 4504 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4505 sc->tulip_flags |= TULIP_WANTTXSTART; 4506 sc->tulip_if.if_start = tulip_ifstart; 4507 return; 4508 } 4509 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4510 sizeof(sc->tulip_setupbuf)); 4511 /* 4512 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4513 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4514 */ 4515 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4516 ri->ri_free--; 4517 nextout = ri->ri_nextout; 4518 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4519 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4520 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4521 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4522 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4523 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4524 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4525 4526 nextout->d_length2 = 0; 4527 nextout->d_addr2 = 0; 4528#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4529 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4530 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4531 if (sc->tulip_setupmap->dm_nsegs == 2) { 4532 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4533 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4534 } 4535 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4536 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4537#else 4538 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4539 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4540#endif 4541 4542 /* 4543 * Advance the ring for the next transmit packet. 4544 */ 4545 if (++ri->ri_nextout == ri->ri_last) 4546 ri->ri_nextout = ri->ri_first; 4547 4548 /* 4549 * Make sure the next descriptor is owned by us since it 4550 * may have been set up above if we ran out of room in the 4551 * ring. 4552 */ 4553 ri->ri_nextout->d_status = 0; 4554 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4555 nextout->d_status = TULIP_DSTS_OWNER; 4556 /* 4557 * Flush the ownwership of the current descriptor 4558 */ 4559 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4560 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4561 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4562 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4563 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4564 } 4565} 4566 4567 4568/* 4569 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4570 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4571 * defined or not. 4572 */ 4573static int 4574tulip_ifioctl( 4575 struct ifnet * ifp, 4576 u_long cmd, 4577 caddr_t data) 4578{ 4579 TULIP_PERFSTART(ifioctl) 4580 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4581 struct ifaddr *ifa = (struct ifaddr *)data; 4582 struct ifreq *ifr = (struct ifreq *) data; 4583 int s; 4584 int error = 0; 4585 4586#if defined(TULIP_USE_SOFTINTR) 4587 s = splnet(); 4588#else 4589 s = splimp(); 4590#endif 4591 switch (cmd) { 4592 case SIOCSIFADDR: { 4593 ifp->if_flags |= IFF_UP; 4594 switch(ifa->ifa_addr->sa_family) { 4595#ifdef INET 4596 case AF_INET: { 4597 tulip_init(sc); 4598 arp_ifinit(&(sc)->tulip_ac, ifa); 4599 break; 4600 } 4601#endif /* INET */ 4602 4603#ifdef IPX 4604 case AF_IPX: { 4605 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4606 if (ipx_nullhost(*ina)) { 4607 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4608 } else { 4609 ifp->if_flags &= ~IFF_RUNNING; 4610 bcopy((caddr_t)ina->x_host.c_host, 4611 (caddr_t)sc->tulip_enaddr, 4612 sizeof(sc->tulip_enaddr)); 4613 } 4614 tulip_init(sc); 4615 break; 4616 } 4617#endif /* IPX */ 4618 4619#ifdef NS 4620 /* 4621 * This magic copied from if_is.c; I don't use XNS, 4622 * so I have no way of telling if this actually 4623 * works or not. 4624 */ 4625 case AF_NS: { 4626 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4627 if (ns_nullhost(*ina)) { 4628 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4629 } else { 4630 ifp->if_flags &= ~IFF_RUNNING; 4631 bcopy((caddr_t)ina->x_host.c_host, 4632 (caddr_t)sc->tulip_enaddr, 4633 sizeof(sc->tulip_enaddr)); 4634 } 4635 tulip_init(sc); 4636 break; 4637 } 4638#endif /* NS */ 4639 4640 default: { 4641 tulip_init(sc); 4642 break; 4643 } 4644 } 4645 break; 4646 } 4647 case SIOCGIFADDR: { 4648 bcopy((caddr_t) sc->tulip_enaddr, 4649 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4650 6); 4651 break; 4652 } 4653 4654 case SIOCSIFFLAGS: { 4655 tulip_addr_filter(sc); /* reinit multicast filter */ 4656 tulip_init(sc); 4657 break; 4658 } 4659 4660 case SIOCSIFMEDIA: 4661 case SIOCGIFMEDIA: { 4662 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4663 break; 4664 } 4665 4666 case SIOCADDMULTI: 4667 case SIOCDELMULTI: { 4668 /* 4669 * Update multicast listeners 4670 */ 4671 tulip_addr_filter(sc); /* reset multicast filtering */ 4672 tulip_init(sc); 4673 error = 0; 4674 break; 4675 } 4676 4677 case SIOCSIFMTU: 4678 /* 4679 * Set the interface MTU. 4680 */ 4681 if (ifr->ifr_mtu > ETHERMTU 4682#ifdef BIG_PACKET 4683 && sc->tulip_chipid != TULIP_21140 4684 && sc->tulip_chipid != TULIP_21140A 4685 && sc->tulip_chipid != TULIP_21041 4686#endif 4687 ) { 4688 error = EINVAL; 4689 break; 4690 } 4691 ifp->if_mtu = ifr->ifr_mtu; 4692#ifdef BIG_PACKET 4693 tulip_reset(sc); 4694 tulip_init(sc); 4695#endif 4696 break; 4697 4698#ifdef SIOCGADDRROM 4699 case SIOCGADDRROM: { 4700 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4701 break; 4702 } 4703#endif 4704#ifdef SIOCGCHIPID 4705 case SIOCGCHIPID: { 4706 ifr->ifr_metric = (int) sc->tulip_chipid; 4707 break; 4708 } 4709#endif 4710 default: { 4711 error = EINVAL; 4712 break; 4713 } 4714 } 4715 4716 splx(s); 4717 TULIP_PERFEND(ifioctl); 4718 return error; 4719} 4720 4721/* 4722 * These routines gets called at device spl (from ether_output). This might 4723 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4724 * device spl from another driver. 4725 */ 4726 4727static void 4728tulip_ifstart( 4729 struct ifnet * const ifp) 4730{ 4731 TULIP_PERFSTART(ifstart) 4732 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4733 4734 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4735 4736 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4737 tulip_txput_setup(sc); 4738 4739 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4740 struct mbuf *m; 4741 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4742 if ((m = tulip_txput(sc, m)) != NULL) { 4743 IF_PREPEND(&sc->tulip_if.if_snd, m); 4744 break; 4745 } 4746 } 4747 if (sc->tulip_if.if_snd.ifq_head == NULL) 4748 sc->tulip_if.if_start = tulip_ifstart_one; 4749 } 4750 4751 TULIP_PERFEND(ifstart); 4752} 4753 4754static void 4755tulip_ifstart_one( 4756 struct ifnet * const ifp) 4757{ 4758 TULIP_PERFSTART(ifstart_one) 4759 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4760 4761 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4762 && sc->tulip_if.if_snd.ifq_head != NULL) { 4763 struct mbuf *m; 4764 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4765 if ((m = tulip_txput(sc, m)) != NULL) 4766 IF_PREPEND(&sc->tulip_if.if_snd, m); 4767 } 4768 TULIP_PERFEND(ifstart_one); 4769} 4770 4771/* 4772 * Even though this routine runs at device spl, it does not break 4773 * our use of splnet (splsoftnet under NetBSD) for the majority 4774 * of this driver (if TULIP_USE_SOFTINTR defined) since 4775 * if_watcbog is called from if_watchdog which is called from 4776 * splsoftclock which is below spl[soft]net. 4777 */ 4778static void 4779tulip_ifwatchdog( 4780 struct ifnet *ifp) 4781{ 4782 TULIP_PERFSTART(ifwatchdog) 4783 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4784 4785#if defined(TULIP_DEBUG) 4786 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4787 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4788 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4789 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4790#endif /* TULIP_DEBUG */ 4791 4792 sc->tulip_if.if_timer = 1; 4793 /* 4794 * These should be rare so do a bulk test up front so we can just skip 4795 * them if needed. 4796 */ 4797 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4798 /* 4799 * If the number of receive buffer is low, try to refill 4800 */ 4801 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4802 tulip_rx_intr(sc); 4803 4804 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4805 printf("%s%d: %d system errors: last was %s\n", 4806 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 4807 tulip_system_errors[sc->tulip_last_system_error]); 4808 } 4809 if (sc->tulip_statusbits) { 4810 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4811 sc->tulip_statusbits = 0; 4812 } 4813 4814 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4815 } 4816 4817 if (sc->tulip_txtimer) 4818 tulip_tx_intr(sc); 4819 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4820 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 4821 if (TULIP_DO_AUTOSENSE(sc)) { 4822 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4823 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4824 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4825 } 4826 tulip_reset(sc); 4827 tulip_init(sc); 4828 } 4829 4830 TULIP_PERFEND(ifwatchdog); 4831 TULIP_PERFMERGE(sc, perf_intr_cycles); 4832 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4833 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4834 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4835 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4836 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4837 TULIP_PERFMERGE(sc, perf_txput_cycles); 4838 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4839 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4840 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4841 TULIP_PERFMERGE(sc, perf_intr); 4842 TULIP_PERFMERGE(sc, perf_ifstart); 4843 TULIP_PERFMERGE(sc, perf_ifioctl); 4844 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4845 TULIP_PERFMERGE(sc, perf_timeout); 4846 TULIP_PERFMERGE(sc, perf_ifstart_one); 4847 TULIP_PERFMERGE(sc, perf_txput); 4848 TULIP_PERFMERGE(sc, perf_txintr); 4849 TULIP_PERFMERGE(sc, perf_rxintr); 4850 TULIP_PERFMERGE(sc, perf_rxget); 4851} 4852 4853/* 4854 * All printf's are real as of now! 4855 */ 4856#ifdef printf 4857#undef printf 4858#endif 4859 4860static void 4861tulip_attach( 4862 tulip_softc_t * const sc) 4863{ 4864 struct ifnet * const ifp = &sc->tulip_if; 4865 4866 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4867 ifp->if_ioctl = tulip_ifioctl; 4868 ifp->if_start = tulip_ifstart; 4869 ifp->if_watchdog = tulip_ifwatchdog; 4870 ifp->if_timer = 1; 4871 ifp->if_output = ether_output; 4872 4873 printf("%s%d: %s%s pass %d.%d%s\n", 4874 sc->tulip_name, sc->tulip_unit, 4875 sc->tulip_boardid, 4876 tulip_chipdescs[sc->tulip_chipid], 4877 (sc->tulip_revinfo & 0xF0) >> 4, 4878 sc->tulip_revinfo & 0x0F, 4879 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4880 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4881 printf("%s%d: address %6D\n", 4882 sc->tulip_name, sc->tulip_unit, sc->tulip_enaddr, ":"); 4883 4884#if defined(__alpha__) 4885 /* 4886 * In case the SRM console told us about a bogus media, 4887 * we need to check to be safe. 4888 */ 4889 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4890 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4891#endif 4892 4893 (*sc->tulip_boardsw->bd_media_probe)(sc); 4894 ifmedia_init(&sc->tulip_ifmedia, 0, 4895 tulip_ifmedia_change, 4896 tulip_ifmedia_status); 4897 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4898 tulip_ifmedia_add(sc); 4899 4900 tulip_reset(sc); 4901 4902 if_attach(ifp); 4903 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4904 ether_ifattach(&(sc)->tulip_if); 4905 4906 bpfattach(&sc->tulip_if, DLT_EN10MB, sizeof(struct ether_header)); 4907} 4908 4909#if defined(TULIP_BUS_DMA) 4910#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4911static int 4912tulip_busdma_allocmem( 4913 tulip_softc_t * const sc, 4914 size_t size, 4915 bus_dmamap_t *map_p, 4916 tulip_desc_t **desc_p) 4917{ 4918 bus_dma_segment_t segs[1]; 4919 int nsegs, error; 4920 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4921 segs, sizeof(segs)/sizeof(segs[0]), 4922 &nsegs, BUS_DMA_NOWAIT); 4923 if (error == 0) { 4924 void *desc; 4925 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4926 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4927 if (error == 0) { 4928 bus_dmamap_t map; 4929 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4930 BUS_DMA_NOWAIT, &map); 4931 if (error == 0) { 4932 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4933 size, NULL, BUS_DMA_NOWAIT); 4934 if (error) 4935 bus_dmamap_destroy(sc->tulip_dmatag, map); 4936 else 4937 *map_p = map; 4938 } 4939 if (error) 4940 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4941 } 4942 if (error) 4943 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4944 else 4945 *desc_p = desc; 4946 } 4947 return error; 4948} 4949#endif 4950 4951static int 4952tulip_busdma_init( 4953 tulip_softc_t * const sc) 4954{ 4955 int error = 0; 4956 4957#if !defined(TULIP_BUS_DMA_NOTX) 4958 /* 4959 * Allocate dmamap for setup descriptor 4960 */ 4961 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4962 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4963 &sc->tulip_setupmap); 4964 if (error == 0) { 4965 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4966 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4967 NULL, BUS_DMA_NOWAIT); 4968 if (error) 4969 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4970 } 4971 /* 4972 * Allocate space and dmamap for transmit ring 4973 */ 4974 if (error == 0) { 4975 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4976 &sc->tulip_txdescmap, 4977 &sc->tulip_txdescs); 4978 } 4979 4980 /* 4981 * Allocate dmamaps for each transmit descriptors 4982 */ 4983 if (error == 0) { 4984 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4985 bus_dmamap_t map; 4986 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4987 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4988 } 4989 if (error) { 4990 while (sc->tulip_txmaps_free > 0) 4991 bus_dmamap_destroy(sc->tulip_dmatag, 4992 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4993 } 4994 } 4995#else 4996 if (error == 0) { 4997 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 4998 if (sc->tulip_txdescs == NULL) 4999 error = ENOMEM; 5000 } 5001#endif 5002#if !defined(TULIP_BUS_DMA_NORX) 5003 /* 5004 * Allocate space and dmamap for receive ring 5005 */ 5006 if (error == 0) { 5007 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5008 &sc->tulip_rxdescmap, 5009 &sc->tulip_rxdescs); 5010 } 5011 5012 /* 5013 * Allocate dmamaps for each receive descriptors 5014 */ 5015 if (error == 0) { 5016 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5017 bus_dmamap_t map; 5018 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5019 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5020 } 5021 if (error) { 5022 while (sc->tulip_rxmaps_free > 0) 5023 bus_dmamap_destroy(sc->tulip_dmatag, 5024 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5025 } 5026 } 5027#else 5028 if (error == 0) { 5029 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5030 if (sc->tulip_rxdescs == NULL) 5031 error = ENOMEM; 5032 } 5033#endif 5034 return error; 5035} 5036#endif /* TULIP_BUS_DMA */ 5037 5038static void 5039tulip_initcsrs( 5040 tulip_softc_t * const sc, 5041 tulip_csrptr_t csr_base, 5042 size_t csr_size) 5043{ 5044 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5045 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5046 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5047 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5048 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5049 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5050 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5051 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5052 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5053 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5054 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5055 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5056 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5057 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5058 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5059 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5060} 5061 5062static void 5063tulip_initring( 5064 tulip_softc_t * const sc, 5065 tulip_ringinfo_t * const ri, 5066 tulip_desc_t *descs, 5067 int ndescs) 5068{ 5069 ri->ri_max = ndescs; 5070 ri->ri_first = descs; 5071 ri->ri_last = ri->ri_first + ri->ri_max; 5072 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5073 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5074} 5075 5076/* 5077 * This is the PCI configuration support. 5078 */ 5079 5080#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5081#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5082#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5083 5084static int 5085tulip_pci_probe(device_t dev) 5086{ 5087 const char *name = NULL; 5088 5089 if (pci_get_vendor(dev) != DEC_VENDORID) 5090 return ENXIO; 5091 5092 /* 5093 * Some LanMedia WAN cards use the Tulip chip, but they have 5094 * their own driver, and we should not recognize them 5095 */ 5096 if (pci_get_subvendor(dev) == 0x1376) 5097 return ENXIO; 5098 5099 switch (pci_get_device(dev)) { 5100 case CHIPID_21040: 5101 name = "Digital 21040 Ethernet"; 5102 break; 5103 case CHIPID_21041: 5104 name = "Digital 21041 Ethernet"; 5105 break; 5106 case CHIPID_21140: 5107 if (pci_get_revid(dev) >= 0x20) 5108 name = "Digital 21140A Fast Ethernet"; 5109 else 5110 name = "Digital 21140 Fast Ethernet"; 5111 break; 5112 case CHIPID_21142: 5113 if (pci_get_revid(dev) >= 0x20) 5114 name = "Digital 21143 Fast Ethernet"; 5115 else 5116 name = "Digital 21142 Fast Ethernet"; 5117 break; 5118 } 5119 if (name) { 5120 device_set_desc(dev, name); 5121 return -200; 5122 } 5123 return ENXIO; 5124} 5125 5126static int 5127tulip_shutdown(device_t dev) 5128{ 5129 tulip_softc_t * const sc = device_get_softc(dev); 5130 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5131 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5132 33MHz that comes to two microseconds but wait a 5133 bit longer anyways) */ 5134 return 0; 5135} 5136 5137static int 5138tulip_pci_attach(device_t dev) 5139{ 5140 tulip_softc_t *sc; 5141#if defined(__alpha__) 5142 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5143#endif 5144 int retval, idx; 5145 u_int32_t revinfo, cfdainfo, cfcsinfo; 5146 unsigned csroffset = TULIP_PCI_CSROFFSET; 5147 unsigned csrsize = TULIP_PCI_CSRSIZE; 5148 tulip_csrptr_t csr_base; 5149 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5150 struct resource *res; 5151 int rid, unit; 5152 5153 unit = device_get_unit(dev); 5154 5155 if (unit >= TULIP_MAX_DEVICES) { 5156 printf("de%d", unit); 5157 printf(": not configured; limit of %d reached or exceeded\n", 5158 TULIP_MAX_DEVICES); 5159 return ENXIO; 5160 } 5161 5162 revinfo = pci_get_revid(dev); 5163 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 5164 cfcsinfo = pci_read_config(dev, PCI_COMMAND_STATUS_REG, 4); 5165 5166 /* turn busmaster on in case BIOS doesn't set it */ 5167 if(!(cfcsinfo & PCIM_CMD_BUSMASTEREN)) { 5168 cfcsinfo |= PCIM_CMD_BUSMASTEREN; 5169 pci_write_config(dev, PCI_COMMAND_STATUS_REG, cfcsinfo, 4); 5170 } 5171 5172 if (pci_get_vendor(dev) == DEC_VENDORID) { 5173 if (pci_get_device(dev) == CHIPID_21040) 5174 chipid = TULIP_21040; 5175 else if (pci_get_device(dev) == CHIPID_21041) 5176 chipid = TULIP_21041; 5177 else if (pci_get_device(dev) == CHIPID_21140) 5178 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5179 else if (pci_get_device(dev) == CHIPID_21142) 5180 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5181 } 5182 if (chipid == TULIP_CHIPID_UNKNOWN) 5183 return ENXIO; 5184 5185 if (chipid == TULIP_21040 && revinfo < 0x20) { 5186 printf("de%d", unit); 5187 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5188 revinfo >> 4, revinfo & 0x0f); 5189 return ENXIO; 5190 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5191 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5192 unit, revinfo >> 4, revinfo & 0x0f); 5193 return ENXIO; 5194 } 5195 5196 sc = device_get_softc(dev); 5197 sc->tulip_pci_busno = pci_get_bus(dev); 5198 sc->tulip_pci_devno = pci_get_slot(dev); 5199 sc->tulip_chipid = chipid; 5200 sc->tulip_flags |= TULIP_DEVICEPROBE; 5201 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5202 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5203 if (chipid == TULIP_21140A && revinfo <= 0x22) 5204 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5205 if (chipid == TULIP_21140) 5206 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5207 if (chipid != TULIP_21040 && chipid != TULIP_21140) 5208 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5209 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5210 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5211 if (chipid != TULIP_21041 || revinfo >= 0x20) 5212 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5213 if (chipid != TULIP_21041) 5214 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5215 if (chipid != TULIP_21041 && revinfo >= 0x20) 5216 sc->tulip_features |= TULIP_HAVE_SIA100; 5217 } 5218 5219 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5220 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5221 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5222 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 5223 DELAY(11*1000); 5224 } 5225#if defined(__alpha__) 5226 /* 5227 * The Alpha SRM console encodes a console set media in the driver 5228 * part of the CFDA register. Note that the Multia presents a 5229 * problem in that its BNC mode is really EXTSIA. So in that case 5230 * force a probe. 5231 */ 5232 switch ((cfdainfo >> 8) & 0xff) { 5233 case 1: media = chipid > TULIP_21040 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5234 case 2: media = chipid > TULIP_21040 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5235 case 3: media = TULIP_MEDIA_10BASET; break; 5236 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5237 case 5: media = TULIP_MEDIA_100BASETX; break; 5238 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5239 default: media = TULIP_MEDIA_UNKNOWN; break; 5240 } 5241#endif 5242 5243 sc->tulip_unit = unit; 5244 sc->tulip_name = "de"; 5245 sc->tulip_revinfo = revinfo; 5246 sc->tulip_if.if_softc = sc; 5247#if defined(TULIP_IOMAPPED) 5248 rid = PCI_CBIO; 5249 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 5250 0, ~0, 1, RF_ACTIVE); 5251 if (!res) 5252 return ENXIO; 5253 csr_base = rman_get_start(res); 5254#else 5255 rid = PCI_CBMA; 5256 res = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid, 5257 0, ~0, 1, RF_ACTIVE); 5258 if (!res) 5259 return ENXIO; 5260 csr_base = (vm_offset_t) rman_get_virtual(res); 5261#endif 5262 tulips[unit] = sc; 5263 5264 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5265 5266#if defined(TULIP_BUS_DMA) 5267 if ((retval = tulip_busdma_init(sc)) != 0) { 5268 printf("error initing bus_dma: %d\n", retval); 5269 return ENXIO; 5270 } 5271#else 5272 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5273 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5274 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5275 printf("malloc failed\n"); 5276 if (sc->tulip_rxdescs) 5277 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5278 if (sc->tulip_txdescs) 5279 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5280 return ENXIO; 5281 } 5282#endif 5283 5284 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5285 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5286 5287 /* 5288 * Make sure there won't be any interrupts or such... 5289 */ 5290 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5291 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5292 33MHz that comes to two microseconds but wait a 5293 bit longer anyways) */ 5294 5295 if ((retval = tulip_read_macaddr(sc)) < 0) { 5296 printf("%s%d", sc->tulip_name, sc->tulip_unit); 5297 printf(": can't read ENET ROM (why=%d) (", retval); 5298 for (idx = 0; idx < 32; idx++) 5299 printf("%02x", sc->tulip_rombuf[idx]); 5300 printf("\n"); 5301 printf("%s%d: %s%s pass %d.%d\n", 5302 sc->tulip_name, sc->tulip_unit, 5303 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5304 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5305 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 5306 } else { 5307 int s; 5308 void (*intr_rtn)(void *) = tulip_intr_normal; 5309 5310 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5311 intr_rtn = tulip_intr_shared; 5312 5313 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5314 void *ih; 5315 5316 rid = 0; 5317 res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 5318 0, ~0, 1, RF_SHAREABLE | RF_ACTIVE); 5319 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET, 5320 intr_rtn, sc, &ih)) { 5321 printf("%s%d: couldn't map interrupt\n", 5322 sc->tulip_name, sc->tulip_unit); 5323 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5324 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5325 return ENXIO; 5326 } 5327 } 5328#if defined(TULIP_USE_SOFTINTR) 5329 if (sc->tulip_unit > tulip_softintr_max_unit) 5330 tulip_softintr_max_unit = sc->tulip_unit; 5331#endif 5332 5333 s = splimp(); 5334#if defined(__alpha__) 5335 sc->tulip_media = media; 5336#endif 5337 tulip_attach(sc); 5338#if defined(__alpha__) 5339 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5340 tulip_linkup(sc, media); 5341#endif 5342 splx(s); 5343 } 5344 return 0; 5345} 5346 5347static device_method_t tulip_pci_methods[] = { 5348 /* Device interface */ 5349 DEVMETHOD(device_probe, tulip_pci_probe), 5350 DEVMETHOD(device_attach, tulip_pci_attach), 5351 DEVMETHOD(device_shutdown, tulip_shutdown), 5352 { 0, 0 } 5353}; 5354static driver_t tulip_pci_driver = { 5355 "de", 5356 tulip_pci_methods, 5357 sizeof(tulip_softc_t), 5358}; 5359static devclass_t tulip_devclass; 5360DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 5361