if_de.c revision 49572
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 49572 1999-08-09 14:15:46Z peter $ */ 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 <machine/clock.h> 51 52#include "opt_inet.h" 53#include "opt_ipx.h" 54 55#include <net/if.h> 56#include <net/if_media.h> 57#include <net/if_dl.h> 58#ifdef TULIP_USE_SOFTINTR 59#include <net/netisr.h> 60#endif 61 62#include "bpf.h" 63#if NBPF > 0 64#include <net/bpf.h> 65#endif 66 67#ifdef INET 68#include <netinet/in.h> 69#include <netinet/if_ether.h> 70#endif 71 72#ifdef IPX 73#include <netipx/ipx.h> 74#include <netipx/ipx_if.h> 75#endif 76 77#ifdef NS 78#include <netns/ns.h> 79#include <netns/ns_if.h> 80#endif 81 82#include <vm/vm.h> 83 84#include <net/if_var.h> 85#include <vm/pmap.h> 86#include <pci/pcivar.h> 87#include <pci/dc21040reg.h> 88#include "opt_bdg.h" 89#ifdef BRIDGE 90#include <net/bridge.h> 91#endif 92 93/* 94 * Intel CPUs should use I/O mapped access. 95 */ 96#if defined(__i386__) || defined(TULIP_EISA) 97#define TULIP_IOMAPPED 98#endif 99 100#if 0 101/* 102 * This turns on all sort of debugging stuff and make the 103 * driver much larger. 104 */ 105#define TULIP_DEBUG 106#endif 107 108#if 0 109#define TULIP_PERFSTATS 110#endif 111 112#if 0 113#define TULIP_USE_SOFTINTR 114#endif 115 116#define TULIP_HZ 10 117 118#include <pci/if_devar.h> 119 120/* 121 * This module supports 122 * the DEC 21040 PCI Ethernet Controller. 123 * the DEC 21041 PCI Ethernet Controller. 124 * the DEC 21140 PCI Fast Ethernet Controller. 125 */ 126static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 127static void tulip_intr_shared(void *arg); 128static void tulip_intr_normal(void *arg); 129static void tulip_init(tulip_softc_t * const sc); 130static void tulip_reset(tulip_softc_t * const sc); 131static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 132static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 133static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 134static void tulip_txput_setup(tulip_softc_t * const sc); 135static void tulip_rx_intr(tulip_softc_t * const sc); 136static void tulip_addr_filter(tulip_softc_t * const sc); 137static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 138static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 139static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 140static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 141static int tulip_srom_decode(tulip_softc_t * const sc); 142static int tulip_ifmedia_change(struct ifnet * const ifp); 143static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 144/* static void tulip_21140_map_media(tulip_softc_t *sc); */ 145 146static void 147tulip_timeout_callback( 148 void *arg) 149{ 150 tulip_softc_t * const sc = arg; 151 int s = splimp(); 152 153 TULIP_PERFSTART(timeout) 154 155 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 156 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 157 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 158 159 TULIP_PERFEND(timeout); 160 splx(s); 161} 162 163static void 164tulip_timeout( 165 tulip_softc_t * const sc) 166{ 167 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 168 return; 169 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 170 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 171} 172 173#if defined(TULIP_NEED_FASTTIMEOUT) 174static void 175tulip_fasttimeout_callback( 176 void *arg) 177{ 178 tulip_softc_t * const sc = arg; 179 int s = splimp(); 180 181 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 182 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 183 splx(s); 184} 185 186static void 187tulip_fasttimeout( 188 tulip_softc_t * const sc) 189{ 190 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 191 return; 192 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 193 timeout(tulip_fasttimeout_callback, sc, 1); 194} 195#endif 196 197static int 198tulip_txprobe( 199 tulip_softc_t * const sc) 200{ 201 struct mbuf *m; 202 /* 203 * Before we are sure this is the right media we need 204 * to send a small packet to make sure there's carrier. 205 * Strangely, BNC and AUI will "see" receive data if 206 * either is connected so the transmit is the only way 207 * to verify the connectivity. 208 */ 209 MGETHDR(m, M_DONTWAIT, MT_DATA); 210 if (m == NULL) 211 return 0; 212 /* 213 * Construct a LLC TEST message which will point to ourselves. 214 */ 215 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 216 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 217 mtod(m, struct ether_header *)->ether_type = htons(3); 218 mtod(m, unsigned char *)[14] = 0; 219 mtod(m, unsigned char *)[15] = 0; 220 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 221 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 222 /* 223 * send it! 224 */ 225 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 226 sc->tulip_intrmask |= TULIP_STS_TXINTR; 227 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 228 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 229 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 230 if ((m = tulip_txput(sc, m)) != NULL) 231 m_freem(m); 232 sc->tulip_probe.probe_txprobes++; 233 return 1; 234} 235 236#ifdef BIG_PACKET 237#define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 238#else 239#define TULIP_SIAGEN_WATCHDOG 0 240#endif 241 242static void 243tulip_media_set( 244 tulip_softc_t * const sc, 245 tulip_media_t media) 246{ 247 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 248 249 if (mi == NULL) 250 return; 251 252 /* 253 * If we are switching media, make sure we don't think there's 254 * any stale RX activity 255 */ 256 sc->tulip_flags &= ~TULIP_RXACT; 257 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 258 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 259 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 260 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 261 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 262 DELAY(50); 263 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 264 } else { 265 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 266 } 267 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 268 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 269#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 270 /* 271 * If the cmdmode bits don't match the currently operating mode, 272 * set the cmdmode appropriately and reset the chip. 273 */ 274 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 275 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 276 sc->tulip_cmdmode |= mi->mi_cmdmode; 277 tulip_reset(sc); 278 } 279 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 280 DELAY(10); 281 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 282 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 283 /* 284 * If the cmdmode bits don't match the currently operating mode, 285 * set the cmdmode appropriately and reset the chip. 286 */ 287 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 288 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 289 sc->tulip_cmdmode |= mi->mi_cmdmode; 290 tulip_reset(sc); 291 } 292 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 294 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 295 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 296 int idx; 297 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 298 const u_int8_t *dp; 299 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 300 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 301 DELAY(10); 302 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 303 } 304 sc->tulip_phyaddr = mi->mi_phyaddr; 305 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 306 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 307 DELAY(10); 308 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 309 } 310 } else { 311 for (idx = 0; idx < mi->mi_reset_length; idx++) { 312 DELAY(10); 313 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 314 } 315 sc->tulip_phyaddr = mi->mi_phyaddr; 316 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 317 DELAY(10); 318 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 319 } 320 } 321 if (sc->tulip_flags & TULIP_TRYNWAY) { 322 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 323 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 324 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 325 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 326 sc->tulip_flags &= ~TULIP_DIDNWAY; 327 if (TULIP_IS_MEDIA_FD(media)) 328 data |= PHYCTL_FULL_DUPLEX; 329 if (TULIP_IS_MEDIA_100MB(media)) 330 data |= PHYCTL_SELECT_100MB; 331 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 332 } 333 } 334} 335 336static void 337tulip_linkup( 338 tulip_softc_t * const sc, 339 tulip_media_t media) 340{ 341 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 342 sc->tulip_flags |= TULIP_PRINTLINKUP; 343 sc->tulip_flags |= TULIP_LINKUP; 344 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 345#if 0 /* XXX how does with work with ifmedia? */ 346 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 347 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 348 if (TULIP_CAN_MEDIA_FD(media) 349 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 350 media = TULIP_FD_MEDIA_OF(media); 351 } else { 352 if (TULIP_IS_MEDIA_FD(media) 353 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 354 media = TULIP_HD_MEDIA_OF(media); 355 } 356 } 357#endif 358 if (sc->tulip_media != media) { 359#ifdef TULIP_DEBUG 360 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 361#endif 362 sc->tulip_media = media; 363 sc->tulip_flags |= TULIP_PRINTMEDIA; 364 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 365 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 366 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 367 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 368 } 369 } 370 /* 371 * We could set probe_timeout to 0 but setting to 3000 puts this 372 * in one central place and the only matters is tulip_link is 373 * followed by a tulip_timeout. Therefore setting it should not 374 * result in aberrant behavour. 375 */ 376 sc->tulip_probe_timeout = 3000; 377 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 378 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 379 if (sc->tulip_flags & TULIP_INRESET) { 380 tulip_media_set(sc, sc->tulip_media); 381 } else if (sc->tulip_probe_media != sc->tulip_media) { 382 /* 383 * No reason to change media if we have the right media. 384 */ 385 tulip_reset(sc); 386 } 387 tulip_init(sc); 388} 389 390static void 391tulip_media_print( 392 tulip_softc_t * const sc) 393{ 394 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 395 return; 396 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 397 printf("%s%d: enabling %s port\n", 398 sc->tulip_name, sc->tulip_unit, 399 tulip_mediums[sc->tulip_media]); 400 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 401 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 402 printf("%s%d: link up\n", sc->tulip_name, sc->tulip_unit); 403 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 404 } 405} 406 407#if defined(TULIP_DO_GPR_SENSE) 408static tulip_media_t 409tulip_21140_gpr_media_sense( 410 tulip_softc_t * const sc) 411{ 412 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 413 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 414 tulip_media_t media; 415 416 /* 417 * If one of the media blocks contained a default media flag, 418 * use that. 419 */ 420 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 421 const tulip_media_info_t *mi; 422 /* 423 * Media is not supported (or is full-duplex). 424 */ 425 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 426 continue; 427 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 428 continue; 429 430 /* 431 * Remember the media is this is the "default" media. 432 */ 433 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 434 maybe_media = media; 435 436 /* 437 * No activity mask? Can't see if it is active if there's no mask. 438 */ 439 if (mi->mi_actmask == 0) 440 continue; 441 442 /* 443 * Does the activity data match? 444 */ 445 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 446 continue; 447 448#if defined(TULIP_DEBUG) 449 printf("%s%d: gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 450 sc->tulip_name, sc->tulip_unit, tulip_mediums[media], 451 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 452 mi->mi_actmask, mi->mi_actdata); 453#endif 454 /* 455 * It does! If this is the first media we detected, then 456 * remember this media. If isn't the first, then there were 457 * multiple matches which we equate to no match (since we don't 458 * which to select (if any). 459 */ 460 if (last_media == TULIP_MEDIA_UNKNOWN) { 461 last_media = media; 462 } else if (last_media != media) { 463 last_media = TULIP_MEDIA_UNKNOWN; 464 } 465 } 466 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 467} 468#endif /* TULIP_DO_GPR_SENSE */ 469 470static tulip_link_status_t 471tulip_media_link_monitor( 472 tulip_softc_t * const sc) 473{ 474 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 475 tulip_link_status_t linkup = TULIP_LINK_DOWN; 476 477 if (mi == NULL) { 478#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 479 panic("tulip_media_link_monitor: %s: botch at line %d\n", 480 tulip_mediums[sc->tulip_media],__LINE__); 481#endif 482 return TULIP_LINK_UNKNOWN; 483 } 484 485 486 /* 487 * Have we seen some packets? If so, the link must be good. 488 */ 489 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 490 sc->tulip_flags &= ~TULIP_RXACT; 491 sc->tulip_probe_timeout = 3000; 492 return TULIP_LINK_UP; 493 } 494 495 sc->tulip_flags &= ~TULIP_RXACT; 496 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 497 u_int32_t status; 498 /* 499 * Read the PHY status register. 500 */ 501 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 502 if (status & PHYSTS_AUTONEG_DONE) { 503 /* 504 * If the PHY has completed autonegotiation, see the if the 505 * remote systems abilities have changed. If so, upgrade or 506 * downgrade as appropriate. 507 */ 508 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 509 abilities = (abilities << 6) & status; 510 if (abilities != sc->tulip_abilities) { 511#if defined(TULIP_DEBUG) 512 loudprintf("%s%d(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 513 sc->tulip_name, sc->tulip_unit, sc->tulip_phyaddr, 514 sc->tulip_abilities, abilities); 515#endif 516 if (tulip_mii_map_abilities(sc, abilities)) { 517 tulip_linkup(sc, sc->tulip_probe_media); 518 return TULIP_LINK_UP; 519 } 520 /* 521 * if we had selected media because of autonegotiation, 522 * we need to probe for the new media. 523 */ 524 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 525 if (sc->tulip_flags & TULIP_DIDNWAY) 526 return TULIP_LINK_DOWN; 527 } 528 } 529 /* 530 * The link is now up. If was down, say its back up. 531 */ 532 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 533 linkup = TULIP_LINK_UP; 534 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 535 /* 536 * No activity sensor? Assume all's well. 537 */ 538 if (mi->mi_actmask == 0) 539 return TULIP_LINK_UNKNOWN; 540 /* 541 * Does the activity data match? 542 */ 543 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 544 linkup = TULIP_LINK_UP; 545 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 546 /* 547 * Assume non TP ok for now. 548 */ 549 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 550 return TULIP_LINK_UNKNOWN; 551 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 552 linkup = TULIP_LINK_UP; 553#if defined(TULIP_DEBUG) 554 if (sc->tulip_probe_timeout <= 0) 555 printf("%s%d: sia status = 0x%08x\n", sc->tulip_name, 556 sc->tulip_unit, TULIP_CSR_READ(sc, csr_sia_status)); 557#endif 558 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 559 return TULIP_LINK_UNKNOWN; 560 } 561 /* 562 * We will wait for 3 seconds until the link goes into suspect mode. 563 */ 564 if (sc->tulip_flags & TULIP_LINKUP) { 565 if (linkup == TULIP_LINK_UP) 566 sc->tulip_probe_timeout = 3000; 567 if (sc->tulip_probe_timeout > 0) 568 return TULIP_LINK_UP; 569 570 sc->tulip_flags &= ~TULIP_LINKUP; 571 printf("%s%d: link down: cable problem?\n", sc->tulip_name, sc->tulip_unit); 572 } 573#if defined(TULIP_DEBUG) 574 sc->tulip_dbg.dbg_link_downed++; 575#endif 576 return TULIP_LINK_DOWN; 577} 578 579static void 580tulip_media_poll( 581 tulip_softc_t * const sc, 582 tulip_mediapoll_event_t event) 583{ 584#if defined(TULIP_DEBUG) 585 sc->tulip_dbg.dbg_events[event]++; 586#endif 587 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 588 && event == TULIP_MEDIAPOLL_TIMER) { 589 switch (tulip_media_link_monitor(sc)) { 590 case TULIP_LINK_DOWN: { 591 /* 592 * Link Monitor failed. Probe for new media. 593 */ 594 event = TULIP_MEDIAPOLL_LINKFAIL; 595 break; 596 } 597 case TULIP_LINK_UP: { 598 /* 599 * Check again soon. 600 */ 601 tulip_timeout(sc); 602 return; 603 } 604 case TULIP_LINK_UNKNOWN: { 605 /* 606 * We can't tell so don't bother. 607 */ 608 return; 609 } 610 } 611 } 612 613 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 614 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 615 if (TULIP_DO_AUTOSENSE(sc)) { 616#if defined(TULIP_DEBUG) 617 sc->tulip_dbg.dbg_link_failures++; 618#endif 619 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 620 if (sc->tulip_if.if_flags & IFF_UP) 621 tulip_reset(sc); /* restart probe */ 622 } 623 return; 624 } 625#if defined(TULIP_DEBUG) 626 sc->tulip_dbg.dbg_link_pollintrs++; 627#endif 628 } 629 630 if (event == TULIP_MEDIAPOLL_START) { 631 sc->tulip_if.if_flags |= IFF_OACTIVE; 632 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 633 return; 634 sc->tulip_probe_mediamask = 0; 635 sc->tulip_probe_passes = 0; 636#if defined(TULIP_DEBUG) 637 sc->tulip_dbg.dbg_media_probes++; 638#endif 639 /* 640 * If the SROM contained an explicit media to use, use it. 641 */ 642 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 643 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 644 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 645 /* 646 * connidx is defaulted to a media_unknown type. 647 */ 648 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 649 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 650 tulip_linkup(sc, sc->tulip_probe_media); 651 tulip_timeout(sc); 652 return; 653 } 654 655 if (sc->tulip_features & TULIP_HAVE_GPR) { 656 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 657 sc->tulip_probe_timeout = 2000; 658 } else { 659 sc->tulip_probe_media = TULIP_MEDIA_MAX; 660 sc->tulip_probe_timeout = 0; 661 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 662 } 663 } 664 665 /* 666 * Ignore txprobe failures or spurious callbacks. 667 */ 668 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 669 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 670 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 671 return; 672 } 673 674 /* 675 * If we really transmitted a packet, then that's the media we'll use. 676 */ 677 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 678 if (event == TULIP_MEDIAPOLL_LINKPASS) { 679 /* XXX Check media status just to be sure */ 680 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 681#if defined(TULIP_DEBUG) 682 } else { 683 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 684#endif 685 } 686 tulip_linkup(sc, sc->tulip_probe_media); 687 tulip_timeout(sc); 688 return; 689 } 690 691 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 692#if defined(TULIP_DO_GPR_SENSE) 693 /* 694 * Check for media via the general purpose register. 695 * 696 * Try to sense the media via the GPR. If the same value 697 * occurs 3 times in a row then just use that. 698 */ 699 if (sc->tulip_probe_timeout > 0) { 700 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 701#if defined(TULIP_DEBUG) 702 printf("%s%d: media_poll: gpr sensing = %s\n", 703 sc->tulip_name, sc->tulip_unit, tulip_mediums[new_probe_media]); 704#endif 705 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 706 if (new_probe_media == sc->tulip_probe_media) { 707 if (--sc->tulip_probe_count == 0) 708 tulip_linkup(sc, sc->tulip_probe_media); 709 } else { 710 sc->tulip_probe_count = 10; 711 } 712 } 713 sc->tulip_probe_media = new_probe_media; 714 tulip_timeout(sc); 715 return; 716 } 717#endif /* TULIP_DO_GPR_SENSE */ 718 /* 719 * Brute force. We cycle through each of the media types 720 * and try to transmit a packet. 721 */ 722 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 723 sc->tulip_probe_media = TULIP_MEDIA_MAX; 724 sc->tulip_probe_timeout = 0; 725 tulip_timeout(sc); 726 return; 727 } 728 729 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 730 && (sc->tulip_features & TULIP_HAVE_MII)) { 731 tulip_media_t old_media = sc->tulip_probe_media; 732 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 733 switch (sc->tulip_probe_state) { 734 case TULIP_PROBE_FAILED: 735 case TULIP_PROBE_MEDIATEST: { 736 /* 737 * Try the next media. 738 */ 739 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 740 sc->tulip_probe_timeout = 0; 741#ifdef notyet 742 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 743 break; 744 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 745 break; 746 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 747#endif 748 break; 749 } 750 case TULIP_PROBE_PHYAUTONEG: { 751 return; 752 } 753 case TULIP_PROBE_INACTIVE: { 754 /* 755 * Only probe if we autonegotiated a media that hasn't failed. 756 */ 757 sc->tulip_probe_timeout = 0; 758 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 759 sc->tulip_probe_media = old_media; 760 break; 761 } 762 tulip_linkup(sc, sc->tulip_probe_media); 763 tulip_timeout(sc); 764 return; 765 } 766 default: { 767#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 768 panic("tulip_media_poll: botch at line %d\n", __LINE__); 769#endif 770 break; 771 } 772 } 773 } 774 775 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 776#if defined(TULIP_DEBUG) 777 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 778#endif 779 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 780 return; 781 } 782 783 /* 784 * switch to another media if we tried this one enough. 785 */ 786 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 787#if defined(TULIP_DEBUG) 788 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 789 printf("%s%d: poll media unknown!\n", 790 sc->tulip_name, sc->tulip_unit); 791 sc->tulip_probe_media = TULIP_MEDIA_MAX; 792 } 793#endif 794 /* 795 * Find the next media type to check for. Full Duplex 796 * types are not allowed. 797 */ 798 do { 799 sc->tulip_probe_media -= 1; 800 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 801 if (++sc->tulip_probe_passes == 3) { 802 printf("%s%d: autosense failed: cable problem?\n", 803 sc->tulip_name, sc->tulip_unit); 804 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 805 sc->tulip_if.if_flags &= ~IFF_RUNNING; 806 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 807 return; 808 } 809 } 810 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 811 sc->tulip_probe_mediamask = 0; 812 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 813 } 814 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 815 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 816 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 817 818#if defined(TULIP_DEBUG) 819 printf("%s%d: %s: probing %s\n", sc->tulip_name, sc->tulip_unit, 820 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 821 tulip_mediums[sc->tulip_probe_media]); 822#endif 823 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 824 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 825 sc->tulip_probe.probe_txprobes = 0; 826 tulip_reset(sc); 827 tulip_media_set(sc, sc->tulip_probe_media); 828 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 829 } 830 tulip_timeout(sc); 831 832 /* 833 * If this is hanging off a phy, we know are doing NWAY and we have 834 * forced the phy to a specific speed. Wait for link up before 835 * before sending a packet. 836 */ 837 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 838 case TULIP_MEDIAINFO_MII: { 839 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 840 return; 841 break; 842 } 843 case TULIP_MEDIAINFO_SIA: { 844 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 845 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 846 return; 847 tulip_linkup(sc, sc->tulip_probe_media); 848#ifdef notyet 849 if (sc->tulip_features & TULIP_HAVE_MII) 850 tulip_timeout(sc); 851#endif 852 return; 853 } 854 break; 855 } 856 case TULIP_MEDIAINFO_RESET: 857 case TULIP_MEDIAINFO_SYM: 858 case TULIP_MEDIAINFO_NONE: 859 case TULIP_MEDIAINFO_GPR: { 860 break; 861 } 862 } 863 /* 864 * Try to send a packet. 865 */ 866 tulip_txprobe(sc); 867} 868 869static void 870tulip_media_select( 871 tulip_softc_t * const sc) 872{ 873 if (sc->tulip_features & TULIP_HAVE_GPR) { 874 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 875 DELAY(10); 876 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 877 } 878 /* 879 * If this board has no media, just return 880 */ 881 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 882 return; 883 884 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 885 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 886 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 887 } else { 888 tulip_media_set(sc, sc->tulip_media); 889 } 890} 891 892static void 893tulip_21040_mediainfo_init( 894 tulip_softc_t * const sc, 895 tulip_media_t media) 896{ 897 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 898 |TULIP_CMD_BACKOFFCTR; 899 sc->tulip_if.if_baudrate = 10000000; 900 901 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 902 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 903 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 904 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 905 } 906 907 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 908 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 909 } 910 911 if (media == TULIP_MEDIA_UNKNOWN) { 912 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 913 } 914} 915 916static void 917tulip_21040_media_probe( 918 tulip_softc_t * const sc) 919{ 920 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 921 return; 922} 923 924static void 925tulip_21040_10baset_only_media_probe( 926 tulip_softc_t * const sc) 927{ 928 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 929 tulip_media_set(sc, TULIP_MEDIA_10BASET); 930 sc->tulip_media = TULIP_MEDIA_10BASET; 931} 932 933static void 934tulip_21040_10baset_only_media_select( 935 tulip_softc_t * const sc) 936{ 937 sc->tulip_flags |= TULIP_LINKUP; 938 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 939 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 940 sc->tulip_flags &= ~TULIP_SQETEST; 941 } else { 942 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 943 sc->tulip_flags |= TULIP_SQETEST; 944 } 945 tulip_media_set(sc, sc->tulip_media); 946} 947 948static void 949tulip_21040_auibnc_only_media_probe( 950 tulip_softc_t * const sc) 951{ 952 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 953 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 954 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 955 sc->tulip_media = TULIP_MEDIA_AUIBNC; 956} 957 958static void 959tulip_21040_auibnc_only_media_select( 960 tulip_softc_t * const sc) 961{ 962 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 963 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 964} 965 966static const tulip_boardsw_t tulip_21040_boardsw = { 967 TULIP_21040_GENERIC, 968 tulip_21040_media_probe, 969 tulip_media_select, 970 tulip_media_poll, 971}; 972 973static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 974 TULIP_21040_GENERIC, 975 tulip_21040_10baset_only_media_probe, 976 tulip_21040_10baset_only_media_select, 977 NULL, 978}; 979 980static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 981 TULIP_21040_GENERIC, 982 tulip_21040_auibnc_only_media_probe, 983 tulip_21040_auibnc_only_media_select, 984 NULL, 985}; 986 987static void 988tulip_21041_mediainfo_init( 989 tulip_softc_t * const sc) 990{ 991 tulip_media_info_t * const mi = sc->tulip_mediainfo; 992 993#ifdef notyet 994 if (sc->tulip_revinfo >= 0x20) { 995 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 996 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 997 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 998 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 999 return; 1000 } 1001#endif 1002 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1003 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1004 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1005 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1006} 1007 1008static void 1009tulip_21041_media_probe( 1010 tulip_softc_t * const sc) 1011{ 1012 sc->tulip_if.if_baudrate = 10000000; 1013 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1014 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1015 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1016 tulip_21041_mediainfo_init(sc); 1017} 1018 1019static void 1020tulip_21041_media_poll( 1021 tulip_softc_t * const sc, 1022 const tulip_mediapoll_event_t event) 1023{ 1024 u_int32_t sia_status; 1025 1026#if defined(TULIP_DEBUG) 1027 sc->tulip_dbg.dbg_events[event]++; 1028#endif 1029 1030 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1031 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1032 || !TULIP_DO_AUTOSENSE(sc)) 1033 return; 1034 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1035 tulip_reset(sc); /* start probe */ 1036 return; 1037 } 1038 1039 /* 1040 * If we've been been asked to start a poll or link change interrupt 1041 * restart the probe (and reset the tulip to a known state). 1042 */ 1043 if (event == TULIP_MEDIAPOLL_START) { 1044 sc->tulip_if.if_flags |= IFF_OACTIVE; 1045 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1046#ifdef notyet 1047 if (sc->tulip_revinfo >= 0x20) { 1048 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1049 sc->tulip_flags |= TULIP_DIDNWAY; 1050 } 1051#endif 1052 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1053 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1054 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1055 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1056 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1057 tulip_timeout(sc); 1058 return; 1059 } 1060 1061 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1062 return; 1063 1064 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1065#if defined(TULIP_DEBUG) 1066 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1067#endif 1068 tulip_linkup(sc, sc->tulip_probe_media); 1069 return; 1070 } 1071 1072 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1073 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1074 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1075 if (sc->tulip_revinfo >= 0x20) { 1076 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1077 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1078 } 1079 /* 1080 * If the link has passed LinkPass, 10baseT is the 1081 * proper media to use. 1082 */ 1083 tulip_linkup(sc, sc->tulip_probe_media); 1084 return; 1085 } 1086 1087 /* 1088 * wait for up to 2.4 seconds for the link to reach pass state. 1089 * Only then start scanning the other media for activity. 1090 * choose media with receive activity over those without. 1091 */ 1092 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1093 if (event != TULIP_MEDIAPOLL_TIMER) 1094 return; 1095 if (sc->tulip_probe_timeout > 0 1096 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1097 tulip_timeout(sc); 1098 return; 1099 } 1100 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1101 sc->tulip_flags |= TULIP_WANTRXACT; 1102 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1103 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1104 } else { 1105 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1106 } 1107 tulip_media_set(sc, sc->tulip_probe_media); 1108 tulip_timeout(sc); 1109 return; 1110 } 1111 1112 /* 1113 * If we failed, clear the txprobe active flag. 1114 */ 1115 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1116 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1117 1118 1119 if (event == TULIP_MEDIAPOLL_TIMER) { 1120 /* 1121 * If we've received something, then that's our link! 1122 */ 1123 if (sc->tulip_flags & TULIP_RXACT) { 1124 tulip_linkup(sc, sc->tulip_probe_media); 1125 return; 1126 } 1127 /* 1128 * if no txprobe active 1129 */ 1130 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1131 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1132 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1133 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1134 tulip_txprobe(sc); 1135 tulip_timeout(sc); 1136 return; 1137 } 1138 /* 1139 * Take 2 passes through before deciding to not 1140 * wait for receive activity. Then take another 1141 * two passes before spitting out a warning. 1142 */ 1143 if (sc->tulip_probe_timeout <= 0) { 1144 if (sc->tulip_flags & TULIP_WANTRXACT) { 1145 sc->tulip_flags &= ~TULIP_WANTRXACT; 1146 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1147 } else { 1148 printf("%s%d: autosense failed: cable problem?\n", 1149 sc->tulip_name, sc->tulip_unit); 1150 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1151 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1152 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1153 return; 1154 } 1155 } 1156 } 1157 } 1158 1159 /* 1160 * Since this media failed to probe, try the other one. 1161 */ 1162 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1163 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1164 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1165 } else { 1166 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1167 } 1168 tulip_media_set(sc, sc->tulip_probe_media); 1169 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1170 tulip_timeout(sc); 1171} 1172 1173static const tulip_boardsw_t tulip_21041_boardsw = { 1174 TULIP_21041_GENERIC, 1175 tulip_21041_media_probe, 1176 tulip_media_select, 1177 tulip_21041_media_poll 1178}; 1179 1180static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1181 { 0x20005c00, 0, /* 08-00-17 */ 1182 { 1183 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1184 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1185 }, 1186#if defined(TULIP_DEBUG) 1187 "NS DP83840", 1188#endif 1189 }, 1190 { 0x0281F400, 0, /* 00-A0-7D */ 1191 { 1192 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1193 { }, /* 100TX */ 1194 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1195 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1196 }, 1197#if defined(TULIP_DEBUG) 1198 "Seeq 80C240" 1199#endif 1200 }, 1201#if 0 1202 { 0x0015F420, 0, /* 00-A0-7D */ 1203 { 1204 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1205 { }, /* 100TX */ 1206 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1207 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1208 }, 1209#if defined(TULIP_DEBUG) 1210 "Broadcom BCM5000" 1211#endif 1212 }, 1213#endif 1214 { 0x0281F400, 0, /* 00-A0-BE */ 1215 { 1216 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1217 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1218 { }, /* 100T4 */ 1219 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1220 }, 1221#if defined(TULIP_DEBUG) 1222 "ICS 1890" 1223#endif 1224 }, 1225 { 0 } 1226}; 1227 1228static tulip_media_t 1229tulip_mii_phy_readspecific( 1230 tulip_softc_t * const sc) 1231{ 1232 const tulip_phy_attr_t *attr; 1233 u_int16_t data; 1234 u_int32_t id; 1235 unsigned idx = 0; 1236 static const tulip_media_t table[] = { 1237 TULIP_MEDIA_UNKNOWN, 1238 TULIP_MEDIA_10BASET, 1239 TULIP_MEDIA_100BASETX, 1240 TULIP_MEDIA_100BASET4, 1241 TULIP_MEDIA_UNKNOWN, 1242 TULIP_MEDIA_10BASET_FD, 1243 TULIP_MEDIA_100BASETX_FD, 1244 TULIP_MEDIA_UNKNOWN 1245 }; 1246 1247 /* 1248 * Don't read phy specific registers if link is not up. 1249 */ 1250 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1251 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1252 return TULIP_MEDIA_UNKNOWN; 1253 1254 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1255 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1256 for (attr = tulip_mii_phy_attrlist;; attr++) { 1257 if (attr->attr_id == 0) 1258 return TULIP_MEDIA_UNKNOWN; 1259 if ((id & ~0x0F) == attr->attr_id) 1260 break; 1261 } 1262 1263 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1264 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1265 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1266 if ((data & pm->pm_mask) == pm->pm_value) 1267 idx = 2; 1268 } 1269 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1270 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1271 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1272 if ((data & pm->pm_mask) == pm->pm_value) 1273 idx = 3; 1274 } 1275 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1276 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1277 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1278 if ((data & pm->pm_mask) == pm->pm_value) 1279 idx = 1; 1280 } 1281 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1282 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1283 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1284 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1285 } 1286 return table[idx]; 1287} 1288 1289static unsigned 1290tulip_mii_get_phyaddr( 1291 tulip_softc_t * const sc, 1292 unsigned offset) 1293{ 1294 unsigned phyaddr; 1295 1296 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1297 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1298 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1299 continue; 1300 if (offset == 0) 1301 return phyaddr; 1302 offset--; 1303 } 1304 if (offset == 0) { 1305 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1306 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1307 return TULIP_MII_NOPHY; 1308 return 0; 1309 } 1310 return TULIP_MII_NOPHY; 1311} 1312 1313static int 1314tulip_mii_map_abilities( 1315 tulip_softc_t * const sc, 1316 unsigned abilities) 1317{ 1318 sc->tulip_abilities = abilities; 1319 if (abilities & PHYSTS_100BASETX_FD) { 1320 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1321 } else if (abilities & PHYSTS_100BASET4) { 1322 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1323 } else if (abilities & PHYSTS_100BASETX) { 1324 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1325 } else if (abilities & PHYSTS_10BASET_FD) { 1326 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1327 } else if (abilities & PHYSTS_10BASET) { 1328 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1329 } else { 1330 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1331 return 0; 1332 } 1333 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1334 return 1; 1335} 1336 1337static void 1338tulip_mii_autonegotiate( 1339 tulip_softc_t * const sc, 1340 const unsigned phyaddr) 1341{ 1342 switch (sc->tulip_probe_state) { 1343 case TULIP_PROBE_MEDIATEST: 1344 case TULIP_PROBE_INACTIVE: { 1345 sc->tulip_flags |= TULIP_DIDNWAY; 1346 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1347 sc->tulip_probe_timeout = 3000; 1348 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1349 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1350 /* FALL THROUGH */ 1351 } 1352 case TULIP_PROBE_PHYRESET: { 1353 u_int32_t status; 1354 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1355 if (data & PHYCTL_RESET) { 1356 if (sc->tulip_probe_timeout > 0) { 1357 tulip_timeout(sc); 1358 return; 1359 } 1360 printf("%s%d(phy%d): error: reset of PHY never completed!\n", 1361 sc->tulip_name, sc->tulip_unit, phyaddr); 1362 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1363 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1364 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1365 return; 1366 } 1367 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1368 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1369#if defined(TULIP_DEBUG) 1370 loudprintf("%s%d(phy%d): autonegotiation disabled\n", 1371 sc->tulip_name, sc->tulip_unit, phyaddr); 1372#endif 1373 sc->tulip_flags &= ~TULIP_DIDNWAY; 1374 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1375 return; 1376 } 1377 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1378 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1379 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1380 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1381#if defined(TULIP_DEBUG) 1382 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1383 loudprintf("%s%d(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1384 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1385 else 1386 loudprintf("%s%d(phy%d): autonegotiation restarted: 0x%04x\n", 1387 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1388 sc->tulip_dbg.dbg_nway_starts++; 1389#endif 1390 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1391 sc->tulip_probe_timeout = 3000; 1392 /* FALL THROUGH */ 1393 } 1394 case TULIP_PROBE_PHYAUTONEG: { 1395 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1396 u_int32_t data; 1397 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1398 if (sc->tulip_probe_timeout > 0) { 1399 tulip_timeout(sc); 1400 return; 1401 } 1402#if defined(TULIP_DEBUG) 1403 loudprintf("%s%d(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1404 sc->tulip_name, sc->tulip_unit, phyaddr, status, 1405 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1406#endif 1407 sc->tulip_flags &= ~TULIP_DIDNWAY; 1408 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1409 return; 1410 } 1411 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1412#if defined(TULIP_DEBUG) 1413 loudprintf("%s%d(phy%d): autonegotiation complete: 0x%04x\n", 1414 sc->tulip_name, sc->tulip_unit, phyaddr, data); 1415#endif 1416 data = (data << 6) & status; 1417 if (!tulip_mii_map_abilities(sc, data)) 1418 sc->tulip_flags &= ~TULIP_DIDNWAY; 1419 return; 1420 } 1421 default: { 1422#if defined(DIAGNOSTIC) 1423 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1424#endif 1425 break; 1426 } 1427 } 1428#if defined(TULIP_DEBUG) 1429 loudprintf("%s%d(phy%d): autonegotiation failure: state = %d\n", 1430 sc->tulip_name, sc->tulip_unit, phyaddr, sc->tulip_probe_state); 1431 sc->tulip_dbg.dbg_nway_failures++; 1432#endif 1433} 1434 1435static void 1436tulip_2114x_media_preset( 1437 tulip_softc_t * const sc) 1438{ 1439 const tulip_media_info_t *mi = NULL; 1440 tulip_media_t media = sc->tulip_media; 1441 1442 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1443 media = sc->tulip_media; 1444 else 1445 media = sc->tulip_probe_media; 1446 1447 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1448 sc->tulip_flags &= ~TULIP_SQETEST; 1449 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1450#if defined(TULIP_DEBUG) 1451 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1452#endif 1453 mi = sc->tulip_mediums[media]; 1454 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1455 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1456 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1457 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1458 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1459 sc->tulip_cmdmode |= mi->mi_cmdmode; 1460 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1461 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1462 } 1463#if defined(TULIP_DEBUG) 1464 } else { 1465 printf("%s%d: preset: bad media %d!\n", 1466 sc->tulip_name, sc->tulip_unit, media); 1467 } 1468#endif 1469 } 1470 switch (media) { 1471 case TULIP_MEDIA_BNC: 1472 case TULIP_MEDIA_AUI: 1473 case TULIP_MEDIA_10BASET: { 1474 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1475 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1476 sc->tulip_if.if_baudrate = 10000000; 1477 sc->tulip_flags |= TULIP_SQETEST; 1478 break; 1479 } 1480 case TULIP_MEDIA_10BASET_FD: { 1481 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1482 sc->tulip_if.if_baudrate = 10000000; 1483 break; 1484 } 1485 case TULIP_MEDIA_100BASEFX: 1486 case TULIP_MEDIA_100BASET4: 1487 case TULIP_MEDIA_100BASETX: { 1488 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1489 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1490 sc->tulip_if.if_baudrate = 100000000; 1491 break; 1492 } 1493 case TULIP_MEDIA_100BASEFX_FD: 1494 case TULIP_MEDIA_100BASETX_FD: { 1495 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1496 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1497 sc->tulip_if.if_baudrate = 100000000; 1498 break; 1499 } 1500 default: { 1501 break; 1502 } 1503 } 1504 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1505} 1506 1507/* 1508 ******************************************************************** 1509 * Start of 21140/21140A support which does not use the MII interface 1510 */ 1511 1512static void 1513tulip_null_media_poll( 1514 tulip_softc_t * const sc, 1515 tulip_mediapoll_event_t event) 1516{ 1517#if defined(TULIP_DEBUG) 1518 sc->tulip_dbg.dbg_events[event]++; 1519#endif 1520#if defined(DIAGNOSTIC) 1521 printf("%s%d: botch(media_poll) at line %d\n", 1522 sc->tulip_name, sc->tulip_unit, __LINE__); 1523#endif 1524} 1525 1526__inline__ static void 1527tulip_21140_mediainit( 1528 tulip_softc_t * const sc, 1529 tulip_media_info_t * const mip, 1530 tulip_media_t const media, 1531 unsigned gpdata, 1532 unsigned cmdmode) 1533{ 1534 sc->tulip_mediums[media] = mip; 1535 mip->mi_type = TULIP_MEDIAINFO_GPR; 1536 mip->mi_cmdmode = cmdmode; 1537 mip->mi_gpdata = gpdata; 1538} 1539 1540static void 1541tulip_21140_evalboard_media_probe( 1542 tulip_softc_t * const sc) 1543{ 1544 tulip_media_info_t *mip = sc->tulip_mediainfo; 1545 1546 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1547 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1548 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1549 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1550 TULIP_CSR_WRITE(sc, csr_command, 1551 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1552 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1553 TULIP_CSR_WRITE(sc, csr_command, 1554 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1555 DELAY(1000000); 1556 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1557 sc->tulip_media = TULIP_MEDIA_10BASET; 1558 } else { 1559 sc->tulip_media = TULIP_MEDIA_100BASETX; 1560 } 1561 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1562 TULIP_GP_EB_INIT, 1563 TULIP_CMD_TXTHRSHLDCTL); 1564 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1565 TULIP_GP_EB_INIT, 1566 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1567 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1568 TULIP_GP_EB_INIT, 1569 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1570 |TULIP_CMD_SCRAMBLER); 1571 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1572 TULIP_GP_EB_INIT, 1573 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1574 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1575} 1576 1577static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1578 TULIP_21140_DEC_EB, 1579 tulip_21140_evalboard_media_probe, 1580 tulip_media_select, 1581 tulip_null_media_poll, 1582 tulip_2114x_media_preset, 1583}; 1584 1585static void 1586tulip_21140_accton_media_probe( 1587 tulip_softc_t * const sc) 1588{ 1589 tulip_media_info_t *mip = sc->tulip_mediainfo; 1590 unsigned gpdata; 1591 1592 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1593 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1594 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1595 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1596 TULIP_CSR_WRITE(sc, csr_command, 1597 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1598 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1599 TULIP_CSR_WRITE(sc, csr_command, 1600 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1601 DELAY(1000000); 1602 gpdata = TULIP_CSR_READ(sc, csr_gp); 1603 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1604 sc->tulip_media = TULIP_MEDIA_10BASET; 1605 } else { 1606 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1607 sc->tulip_media = TULIP_MEDIA_BNC; 1608 } else { 1609 sc->tulip_media = TULIP_MEDIA_100BASETX; 1610 } 1611 } 1612 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1613 TULIP_GP_EN1207_BNC_INIT, 1614 TULIP_CMD_TXTHRSHLDCTL); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1616 TULIP_GP_EN1207_UTP_INIT, 1617 TULIP_CMD_TXTHRSHLDCTL); 1618 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1619 TULIP_GP_EN1207_UTP_INIT, 1620 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1621 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1622 TULIP_GP_EN1207_100_INIT, 1623 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1624 |TULIP_CMD_SCRAMBLER); 1625 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1626 TULIP_GP_EN1207_100_INIT, 1627 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1628 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1629} 1630 1631static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1632 TULIP_21140_EN1207, 1633 tulip_21140_accton_media_probe, 1634 tulip_media_select, 1635 tulip_null_media_poll, 1636 tulip_2114x_media_preset, 1637}; 1638 1639static void 1640tulip_21140_smc9332_media_probe( 1641 tulip_softc_t * const sc) 1642{ 1643 tulip_media_info_t *mip = sc->tulip_mediainfo; 1644 int idx, cnt = 0; 1645 1646 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1647 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1648 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1649 33MHz that comes to two microseconds but wait a 1650 bit longer anyways) */ 1651 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1652 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1653 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1654 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1655 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1656 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1657 DELAY(200000); 1658 for (idx = 1000; idx > 0; idx--) { 1659 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1660 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1661 if (++cnt > 100) 1662 break; 1663 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1664 break; 1665 } else { 1666 cnt = 0; 1667 } 1668 DELAY(1000); 1669 } 1670 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1671 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1672 TULIP_GP_SMC_9332_INIT, 1673 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1674 |TULIP_CMD_SCRAMBLER); 1675 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1676 TULIP_GP_SMC_9332_INIT, 1677 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1678 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1679 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1680 TULIP_GP_SMC_9332_INIT, 1681 TULIP_CMD_TXTHRSHLDCTL); 1682 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1683 TULIP_GP_SMC_9332_INIT, 1684 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1685} 1686 1687static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1688 TULIP_21140_SMC_9332, 1689 tulip_21140_smc9332_media_probe, 1690 tulip_media_select, 1691 tulip_null_media_poll, 1692 tulip_2114x_media_preset, 1693}; 1694 1695static void 1696tulip_21140_cogent_em100_media_probe( 1697 tulip_softc_t * const sc) 1698{ 1699 tulip_media_info_t *mip = sc->tulip_mediainfo; 1700 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1701 1702 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1703 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1704 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1705 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1706 1707 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1708 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1709 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1710 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1711 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1712 1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1714 TULIP_GP_EM100_INIT, 1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1716 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1717 TULIP_GP_EM100_INIT, 1718 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1719 |TULIP_CMD_FULLDUPLEX); 1720 } else { 1721 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1722 sc->tulip_media = TULIP_MEDIA_100BASETX; 1723 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1724 TULIP_GP_EM100_INIT, 1725 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1726 |TULIP_CMD_SCRAMBLER); 1727 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1728 TULIP_GP_EM100_INIT, 1729 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1730 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1731 } 1732} 1733 1734static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1735 TULIP_21140_COGENT_EM100, 1736 tulip_21140_cogent_em100_media_probe, 1737 tulip_media_select, 1738 tulip_null_media_poll, 1739 tulip_2114x_media_preset 1740}; 1741 1742static void 1743tulip_21140_znyx_zx34x_media_probe( 1744 tulip_softc_t * const sc) 1745{ 1746 tulip_media_info_t *mip = sc->tulip_mediainfo; 1747 int cnt10 = 0, cnt100 = 0, idx; 1748 1749 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1750 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1751 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1752 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1753 TULIP_CSR_WRITE(sc, csr_command, 1754 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1755 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1756 TULIP_CSR_WRITE(sc, csr_command, 1757 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1758 1759 DELAY(200000); 1760 for (idx = 1000; idx > 0; idx--) { 1761 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1762 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)) { 1763 if (++cnt100 > 100) 1764 break; 1765 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1766 if (++cnt10 > 100) 1767 break; 1768 } else { 1769 cnt10 = 0; 1770 cnt100 = 0; 1771 } 1772 DELAY(1000); 1773 } 1774 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1775 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1776 TULIP_GP_ZX34X_INIT, 1777 TULIP_CMD_TXTHRSHLDCTL); 1778 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1779 TULIP_GP_ZX34X_INIT, 1780 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1781 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1782 TULIP_GP_ZX34X_INIT, 1783 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1784 |TULIP_CMD_SCRAMBLER); 1785 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1786 TULIP_GP_ZX34X_INIT, 1787 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1788 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1789} 1790 1791static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1792 TULIP_21140_ZNYX_ZX34X, 1793 tulip_21140_znyx_zx34x_media_probe, 1794 tulip_media_select, 1795 tulip_null_media_poll, 1796 tulip_2114x_media_preset, 1797}; 1798 1799static void 1800tulip_2114x_media_probe( 1801 tulip_softc_t * const sc) 1802{ 1803 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1804 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1805} 1806 1807static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1808 TULIP_21140_ISV, 1809 tulip_2114x_media_probe, 1810 tulip_media_select, 1811 tulip_media_poll, 1812 tulip_2114x_media_preset, 1813}; 1814 1815/* 1816 * ******** END of chip-specific handlers. *********** 1817 */ 1818 1819/* 1820 * Code the read the SROM and MII bit streams (I2C) 1821 */ 1822static void 1823tulip_delay_300ns( 1824 tulip_softc_t * const sc) 1825{ 1826 int idx; 1827 for (idx = (300 / 33) + 1; idx > 0; idx--) 1828 (void) TULIP_CSR_READ(sc, csr_busmode); 1829} 1830 1831#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1832 1833static void 1834tulip_srom_idle( 1835 tulip_softc_t * const sc) 1836{ 1837 unsigned bit, csr; 1838 1839 csr = SROMSEL ; EMIT; 1840 csr = SROMSEL | SROMRD; EMIT; 1841 csr ^= SROMCS; EMIT; 1842 csr ^= SROMCLKON; EMIT; 1843 1844 /* 1845 * Write 25 cycles of 0 which will force the SROM to be idle. 1846 */ 1847 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1848 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1849 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1850 } 1851 csr ^= SROMCLKOFF; EMIT; 1852 csr ^= SROMCS; EMIT; 1853 csr = 0; EMIT; 1854} 1855 1856 1857static void 1858tulip_srom_read( 1859 tulip_softc_t * const sc) 1860{ 1861 unsigned idx; 1862 const unsigned bitwidth = SROM_BITWIDTH; 1863 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1864 const unsigned msb = 1 << (bitwidth + 3 - 1); 1865 unsigned lastidx = (1 << bitwidth) - 1; 1866 1867 tulip_srom_idle(sc); 1868 1869 for (idx = 0; idx <= lastidx; idx++) { 1870 unsigned lastbit, data, bits, bit, csr; 1871 csr = SROMSEL ; EMIT; 1872 csr = SROMSEL | SROMRD; EMIT; 1873 csr ^= SROMCSON; EMIT; 1874 csr ^= SROMCLKON; EMIT; 1875 1876 lastbit = 0; 1877 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1878 const unsigned thisbit = bits & msb; 1879 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1880 if (thisbit != lastbit) { 1881 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1882 } else { 1883 EMIT; 1884 } 1885 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1886 lastbit = thisbit; 1887 } 1888 csr ^= SROMCLKOFF; EMIT; 1889 1890 for (data = 0, bits = 0; bits < 16; bits++) { 1891 data <<= 1; 1892 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1893 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1894 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1895 } 1896 sc->tulip_rombuf[idx*2] = data & 0xFF; 1897 sc->tulip_rombuf[idx*2+1] = data >> 8; 1898 csr = SROMSEL | SROMRD; EMIT; 1899 csr = 0; EMIT; 1900 } 1901 tulip_srom_idle(sc); 1902} 1903 1904#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1905 1906static void 1907tulip_mii_writebits( 1908 tulip_softc_t * const sc, 1909 unsigned data, 1910 unsigned bits) 1911{ 1912 unsigned msb = 1 << (bits - 1); 1913 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1914 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1915 1916 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1917 1918 for (; bits > 0; bits--, data <<= 1) { 1919 const unsigned thisbit = data & msb; 1920 if (thisbit != lastbit) { 1921 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1922 } 1923 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1924 lastbit = thisbit; 1925 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1926 } 1927} 1928 1929static void 1930tulip_mii_turnaround( 1931 tulip_softc_t * const sc, 1932 unsigned cmd) 1933{ 1934 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1935 1936 if (cmd == MII_WRCMD) { 1937 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1938 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1939 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1940 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1941 } else { 1942 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1943 } 1944 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1945 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1946} 1947 1948static unsigned 1949tulip_mii_readbits( 1950 tulip_softc_t * const sc) 1951{ 1952 unsigned data; 1953 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1954 int idx; 1955 1956 for (idx = 0, data = 0; idx < 16; idx++) { 1957 data <<= 1; /* this is NOOP on the first pass through */ 1958 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1959 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1960 data |= 1; 1961 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1962 } 1963 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1964 1965 return data; 1966} 1967 1968static unsigned 1969tulip_mii_readreg( 1970 tulip_softc_t * const sc, 1971 unsigned devaddr, 1972 unsigned regno) 1973{ 1974 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1975 unsigned data; 1976 1977 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1978 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1979 tulip_mii_writebits(sc, MII_RDCMD, 8); 1980 tulip_mii_writebits(sc, devaddr, 5); 1981 tulip_mii_writebits(sc, regno, 5); 1982 tulip_mii_turnaround(sc, MII_RDCMD); 1983 1984 data = tulip_mii_readbits(sc); 1985#if defined(TULIP_DEBUG) 1986 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1987 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1988#endif 1989 return data; 1990} 1991 1992static void 1993tulip_mii_writereg( 1994 tulip_softc_t * const sc, 1995 unsigned devaddr, 1996 unsigned regno, 1997 unsigned data) 1998{ 1999 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2000 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2001 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2002 tulip_mii_writebits(sc, MII_WRCMD, 8); 2003 tulip_mii_writebits(sc, devaddr, 5); 2004 tulip_mii_writebits(sc, regno, 5); 2005 tulip_mii_turnaround(sc, MII_WRCMD); 2006 tulip_mii_writebits(sc, data, 16); 2007#if defined(TULIP_DEBUG) 2008 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2009 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2010#endif 2011} 2012 2013#define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2014#define tulip_srom_crcok(databuf) ( \ 2015 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2016 ((databuf)[126] | ((databuf)[127] << 8))) 2017 2018static unsigned 2019tulip_crc32( 2020 const unsigned char *databuf, 2021 size_t datalen) 2022{ 2023 u_int idx, crc = 0xFFFFFFFFUL; 2024 static const u_int crctab[] = { 2025 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2026 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2027 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2028 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2029 }; 2030 2031 for (idx = 0; idx < datalen; idx++) { 2032 crc ^= *databuf++; 2033 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2034 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2035 } 2036 return crc; 2037} 2038 2039static void 2040tulip_identify_dec_nic( 2041 tulip_softc_t * const sc) 2042{ 2043 strcpy(sc->tulip_boardid, "DEC "); 2044#define D0 4 2045 if (sc->tulip_chipid <= TULIP_DE425) 2046 return; 2047 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2048 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2049 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2050 sc->tulip_boardid[D0+8] = ' '; 2051 } 2052#undef D0 2053} 2054 2055static void 2056tulip_identify_znyx_nic( 2057 tulip_softc_t * const sc) 2058{ 2059 unsigned id = 0; 2060 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2061 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2062 unsigned znyx_ptr; 2063 sc->tulip_boardid[8] = '4'; 2064 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2065 if (znyx_ptr < 26 || znyx_ptr > 116) { 2066 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2067 return; 2068 } 2069 /* ZX344 = 0010 .. 0013FF 2070 */ 2071 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2072 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2073 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2074 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2075 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2076 sc->tulip_boardid[9] = '2'; 2077 if (id == TULIP_ZNYX_ID_ZX342B) { 2078 sc->tulip_boardid[10] = 'B'; 2079 sc->tulip_boardid[11] = ' '; 2080 } 2081 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2082 } else if (id == TULIP_ZNYX_ID_ZX344) { 2083 sc->tulip_boardid[10] = '4'; 2084 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2085 } else if (id == TULIP_ZNYX_ID_ZX345) { 2086 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2087 } else if (id == TULIP_ZNYX_ID_ZX346) { 2088 sc->tulip_boardid[9] = '6'; 2089 } else if (id == TULIP_ZNYX_ID_ZX351) { 2090 sc->tulip_boardid[8] = '5'; 2091 sc->tulip_boardid[9] = '1'; 2092 } 2093 } 2094 if (id == 0) { 2095 /* 2096 * Assume it's a ZX342... 2097 */ 2098 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2099 } 2100 return; 2101 } 2102 sc->tulip_boardid[8] = '1'; 2103 if (sc->tulip_chipid == TULIP_21041) { 2104 sc->tulip_boardid[10] = '1'; 2105 return; 2106 } 2107 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2108 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2109 if (id == TULIP_ZNYX_ID_ZX312T) { 2110 sc->tulip_boardid[9] = '2'; 2111 sc->tulip_boardid[10] = 'T'; 2112 sc->tulip_boardid[11] = ' '; 2113 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2114 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2115 sc->tulip_boardid[9] = '4'; 2116 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2117 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2118 } else if (id == TULIP_ZNYX_ID_ZX314) { 2119 sc->tulip_boardid[9] = '4'; 2120 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2121 sc->tulip_features |= TULIP_HAVE_BASEROM; 2122 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2123 sc->tulip_boardid[9] = '5'; 2124 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2125 } else if (id == TULIP_ZNYX_ID_ZX315) { 2126 sc->tulip_boardid[9] = '5'; 2127 sc->tulip_features |= TULIP_HAVE_BASEROM; 2128 } else { 2129 id = 0; 2130 } 2131 } 2132 if (id == 0) { 2133 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2134 sc->tulip_boardid[9] = '4'; 2135 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2136 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2137 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2138 sc->tulip_boardid[9] = '5'; 2139 sc->tulip_boardsw = &tulip_21040_boardsw; 2140 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2141 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2142 sc->tulip_boardid[9] = '2'; 2143 sc->tulip_boardsw = &tulip_21040_boardsw; 2144 } 2145 } 2146} 2147 2148static void 2149tulip_identify_smc_nic( 2150 tulip_softc_t * const sc) 2151{ 2152 u_int32_t id1, id2, ei; 2153 int auibnc = 0, utp = 0; 2154 char *cp; 2155 2156 strcpy(sc->tulip_boardid, "SMC "); 2157 if (sc->tulip_chipid == TULIP_21041) 2158 return; 2159 if (sc->tulip_chipid != TULIP_21040) { 2160 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2161 strcpy(&sc->tulip_boardid[4], "9332DST "); 2162 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2163 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2164 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2165 } else { 2166 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2167 } 2168 return; 2169 } 2170 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2171 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2172 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2173 2174 strcpy(&sc->tulip_boardid[4], "8432"); 2175 cp = &sc->tulip_boardid[8]; 2176 if ((id1 & 1) == 0) 2177 *cp++ = 'B', auibnc = 1; 2178 if ((id1 & 0xFF) > 0x32) 2179 *cp++ = 'T', utp = 1; 2180 if ((id1 & 0x4000) == 0) 2181 *cp++ = 'A', auibnc = 1; 2182 if (id2 == 0x15) { 2183 sc->tulip_boardid[7] = '4'; 2184 *cp++ = '-'; 2185 *cp++ = 'C'; 2186 *cp++ = 'H'; 2187 *cp++ = (ei ? '2' : '1'); 2188 } 2189 *cp++ = ' '; 2190 *cp = '\0'; 2191 if (utp && !auibnc) 2192 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2193 else if (!utp && auibnc) 2194 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2195} 2196 2197static void 2198tulip_identify_cogent_nic( 2199 tulip_softc_t * const sc) 2200{ 2201 strcpy(sc->tulip_boardid, "Cogent "); 2202 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2203 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2204 strcat(sc->tulip_boardid, "EM100TX "); 2205 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2206#if defined(TULIP_COGENT_EM110TX_ID) 2207 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2208 strcat(sc->tulip_boardid, "EM110TX "); 2209 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2210#endif 2211 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2212 strcat(sc->tulip_boardid, "EM100FX "); 2213 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2214 } 2215 /* 2216 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2217 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2218 */ 2219 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2220 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2221 /* 2222 * Cogent (Adaptec) is still mapping all INTs to INTA of 2223 * first 21140. Dumb! Dumb! 2224 */ 2225 strcat(sc->tulip_boardid, "EM440TX "); 2226 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2227 } 2228 } else if (sc->tulip_chipid == TULIP_21040) { 2229 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2230 } 2231} 2232 2233static void 2234tulip_identify_accton_nic( 2235 tulip_softc_t * const sc) 2236{ 2237 strcpy(sc->tulip_boardid, "ACCTON "); 2238 switch (sc->tulip_chipid) { 2239 case TULIP_21140A: 2240 strcat(sc->tulip_boardid, "EN1207 "); 2241 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2242 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2243 break; 2244 case TULIP_21140: 2245 strcat(sc->tulip_boardid, "EN1207TX "); 2246 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2247 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2248 break; 2249 case TULIP_21040: 2250 strcat(sc->tulip_boardid, "EN1203 "); 2251 sc->tulip_boardsw = &tulip_21040_boardsw; 2252 break; 2253 case TULIP_21041: 2254 strcat(sc->tulip_boardid, "EN1203 "); 2255 sc->tulip_boardsw = &tulip_21041_boardsw; 2256 break; 2257 default: 2258 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2259 break; 2260 } 2261} 2262 2263static void 2264tulip_identify_asante_nic( 2265 tulip_softc_t * const sc) 2266{ 2267 strcpy(sc->tulip_boardid, "Asante "); 2268 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2269 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2270 tulip_media_info_t *mi = sc->tulip_mediainfo; 2271 int idx; 2272 /* 2273 * The Asante Fast Ethernet doesn't always ship with a valid 2274 * new format SROM. So if isn't in the new format, we cheat 2275 * set it up as if we had. 2276 */ 2277 2278 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2279 sc->tulip_gpdata = 0; 2280 2281 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2282 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2283 DELAY(100); 2284 TULIP_CSR_WRITE(sc, csr_gp, 0); 2285 2286 mi->mi_type = TULIP_MEDIAINFO_MII; 2287 mi->mi_gpr_length = 0; 2288 mi->mi_gpr_offset = 0; 2289 mi->mi_reset_length = 0; 2290 mi->mi_reset_offset = 0;; 2291 2292 mi->mi_phyaddr = TULIP_MII_NOPHY; 2293 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2294 DELAY(10000); 2295 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2296 } 2297 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2298 printf("%s%d: can't find phy 0\n", sc->tulip_name, sc->tulip_unit); 2299 return; 2300 } 2301 2302 sc->tulip_features |= TULIP_HAVE_MII; 2303 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2304 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2305 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2306 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2307 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2308 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2309 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2310 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2311 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2312 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2313 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2314 2315 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2316 } 2317} 2318 2319static void 2320tulip_identify_compex_nic( 2321 tulip_softc_t * const sc) 2322{ 2323 strcpy(sc->tulip_boardid, "COMPEX "); 2324 if (sc->tulip_chipid == TULIP_21140A) { 2325 int root_unit; 2326 tulip_softc_t *root_sc = NULL; 2327 2328 strcat(sc->tulip_boardid, "400TX/PCI "); 2329 /* 2330 * All 4 chips on these boards share an interrupt. This code 2331 * copied from tulip_read_macaddr. 2332 */ 2333 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2334 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2335 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2336 if (root_sc == NULL 2337 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2338 break; 2339 root_sc = NULL; 2340 } 2341 if (root_sc != NULL 2342 && root_sc->tulip_chipid == sc->tulip_chipid 2343 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2344 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2345 sc->tulip_slaves = root_sc->tulip_slaves; 2346 root_sc->tulip_slaves = sc; 2347 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2348 printf("\nCannot find master device for de%d interrupts", 2349 sc->tulip_unit); 2350 } 2351 } else { 2352 strcat(sc->tulip_boardid, "unknown "); 2353 } 2354 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2355 return; 2356} 2357 2358static int 2359tulip_srom_decode( 2360 tulip_softc_t * const sc) 2361{ 2362 unsigned idx1, idx2, idx3; 2363 2364 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2365 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2366 tulip_srom_media_t srom_media; 2367 tulip_media_info_t *mi = sc->tulip_mediainfo; 2368 const u_int8_t *dp; 2369 u_int32_t leaf_offset, blocks, data; 2370 2371 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2372 if (shp->sh_adapter_count == 1) 2373 break; 2374 if (saip->sai_device == sc->tulip_pci_devno) 2375 break; 2376 } 2377 /* 2378 * Didn't find the right media block for this card. 2379 */ 2380 if (idx1 == shp->sh_adapter_count) 2381 return 0; 2382 2383 /* 2384 * Save the hardware address. 2385 */ 2386 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2387 /* 2388 * If this is a multiple port card, add the adapter index to the last 2389 * byte of the hardware address. (if it isn't multiport, adding 0 2390 * won't hurt. 2391 */ 2392 sc->tulip_enaddr[5] += idx1; 2393 2394 leaf_offset = saip->sai_leaf_offset_lowbyte 2395 + saip->sai_leaf_offset_highbyte * 256; 2396 dp = sc->tulip_rombuf + leaf_offset; 2397 2398 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2399 2400 for (idx2 = 0;; idx2++) { 2401 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2402 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2403 break; 2404 } 2405 sc->tulip_connidx = idx2; 2406 2407 if (sc->tulip_chipid == TULIP_21041) { 2408 blocks = *dp++; 2409 for (idx2 = 0; idx2 < blocks; idx2++) { 2410 tulip_media_t media; 2411 data = *dp++; 2412 srom_media = (tulip_srom_media_t) (data & 0x3F); 2413 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2414 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2415 break; 2416 } 2417 media = tulip_srom_mediums[idx3].sm_type; 2418 if (media != TULIP_MEDIA_UNKNOWN) { 2419 if (data & TULIP_SROM_21041_EXTENDED) { 2420 mi->mi_type = TULIP_MEDIAINFO_SIA; 2421 sc->tulip_mediums[media] = mi; 2422 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2423 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2424 mi->mi_sia_general = dp[4] + dp[5] * 256; 2425 mi++; 2426 } else { 2427 switch (media) { 2428 case TULIP_MEDIA_BNC: { 2429 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2430 mi++; 2431 break; 2432 } 2433 case TULIP_MEDIA_AUI: { 2434 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2435 mi++; 2436 break; 2437 } 2438 case TULIP_MEDIA_10BASET: { 2439 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2440 mi++; 2441 break; 2442 } 2443 case TULIP_MEDIA_10BASET_FD: { 2444 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2445 mi++; 2446 break; 2447 } 2448 default: { 2449 break; 2450 } 2451 } 2452 } 2453 } 2454 if (data & TULIP_SROM_21041_EXTENDED) 2455 dp += 6; 2456 } 2457#ifdef notdef 2458 if (blocks == 0) { 2459 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2460 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2461 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2462 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2463 } 2464#endif 2465 } else { 2466 unsigned length, type; 2467 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2468 if (sc->tulip_features & TULIP_HAVE_GPR) 2469 sc->tulip_gpinit = *dp++; 2470 blocks = *dp++; 2471 for (idx2 = 0; idx2 < blocks; idx2++) { 2472 const u_int8_t *ep; 2473 if ((*dp & 0x80) == 0) { 2474 length = 4; 2475 type = 0; 2476 } else { 2477 length = (*dp++ & 0x7f) - 1; 2478 type = *dp++ & 0x3f; 2479 } 2480 ep = dp + length; 2481 switch (type & 0x3f) { 2482 case 0: { /* 21140[A] GPR block */ 2483 tulip_media_t media; 2484 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2485 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2486 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2487 break; 2488 } 2489 media = tulip_srom_mediums[idx3].sm_type; 2490 if (media == TULIP_MEDIA_UNKNOWN) 2491 break; 2492 mi->mi_type = TULIP_MEDIAINFO_GPR; 2493 sc->tulip_mediums[media] = mi; 2494 mi->mi_gpdata = dp[1]; 2495 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2496 sc->tulip_gpdata = mi->mi_gpdata; 2497 gp_media = media; 2498 } 2499 data = dp[2] + dp[3] * 256; 2500 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2501 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2502 mi->mi_actmask = 0; 2503 } else { 2504#if 0 2505 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2506#endif 2507 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2508 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2509 } 2510 mi++; 2511 break; 2512 } 2513 case 1: { /* 21140[A] MII block */ 2514 const unsigned phyno = *dp++; 2515 mi->mi_type = TULIP_MEDIAINFO_MII; 2516 mi->mi_gpr_length = *dp++; 2517 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2518 dp += mi->mi_gpr_length; 2519 mi->mi_reset_length = *dp++; 2520 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2521 dp += mi->mi_reset_length; 2522 2523 /* 2524 * Before we probe for a PHY, use the GPR information 2525 * to select it. If we don't, it may be inaccessible. 2526 */ 2527 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2528 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2529 DELAY(10); 2530 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2531 } 2532 sc->tulip_phyaddr = mi->mi_phyaddr; 2533 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2534 DELAY(10); 2535 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2536 } 2537 2538 /* 2539 * At least write something! 2540 */ 2541 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2542 TULIP_CSR_WRITE(sc, csr_gp, 0); 2543 2544 mi->mi_phyaddr = TULIP_MII_NOPHY; 2545 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2546 DELAY(10000); 2547 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2548 } 2549 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2550#if defined(TULIP_DEBUG) 2551 printf("%s%d: can't find phy %d\n", 2552 sc->tulip_name, sc->tulip_unit, phyno); 2553#endif 2554 break; 2555 } 2556 sc->tulip_features |= TULIP_HAVE_MII; 2557 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2558 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2559 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2560 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2561 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2562 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2563 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2564 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2565 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2566 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2567 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2568 mi++; 2569 break; 2570 } 2571 case 2: { /* 2114[23] SIA block */ 2572 tulip_media_t media; 2573 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2574 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2575 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2576 break; 2577 } 2578 media = tulip_srom_mediums[idx3].sm_type; 2579 if (media == TULIP_MEDIA_UNKNOWN) 2580 break; 2581 mi->mi_type = TULIP_MEDIAINFO_SIA; 2582 sc->tulip_mediums[media] = mi; 2583 if (dp[0] & 0x40) { 2584 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2585 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2586 mi->mi_sia_general = dp[5] + dp[6] * 256; 2587 dp += 6; 2588 } else { 2589 switch (media) { 2590 case TULIP_MEDIA_BNC: { 2591 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2592 break; 2593 } 2594 case TULIP_MEDIA_AUI: { 2595 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2596 break; 2597 } 2598 case TULIP_MEDIA_10BASET: { 2599 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2600 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2601 break; 2602 } 2603 case TULIP_MEDIA_10BASET_FD: { 2604 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2605 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2606 break; 2607 } 2608 default: { 2609 goto bad_media; 2610 } 2611 } 2612 } 2613 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2614 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2615 mi++; 2616 bad_media: 2617 break; 2618 } 2619 case 3: { /* 2114[23] MII PHY block */ 2620 const unsigned phyno = *dp++; 2621 const u_int8_t *dp0; 2622 mi->mi_type = TULIP_MEDIAINFO_MII; 2623 mi->mi_gpr_length = *dp++; 2624 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2625 dp += 2 * mi->mi_gpr_length; 2626 mi->mi_reset_length = *dp++; 2627 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2628 dp += 2 * mi->mi_reset_length; 2629 2630 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2631 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2632 DELAY(10); 2633 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2634 } 2635 sc->tulip_phyaddr = mi->mi_phyaddr; 2636 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2637 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2638 DELAY(10); 2639 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2640 } 2641 2642 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2643 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2644 2645 mi->mi_phyaddr = TULIP_MII_NOPHY; 2646 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2647 DELAY(10000); 2648 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2649 } 2650 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2651#if defined(TULIP_DEBUG) 2652 printf("%s%d: can't find phy %d\n", 2653 sc->tulip_name, sc->tulip_unit, phyno); 2654#endif 2655 break; 2656 } 2657 sc->tulip_features |= TULIP_HAVE_MII; 2658 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2659 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2660 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2661 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2662 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2663 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2664 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2665 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2666 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2667 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2668 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2669 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2670 mi++; 2671 break; 2672 } 2673 case 4: { /* 21143 SYM block */ 2674 tulip_media_t media; 2675 srom_media = (tulip_srom_media_t) dp[0]; 2676 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2677 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2678 break; 2679 } 2680 media = tulip_srom_mediums[idx3].sm_type; 2681 if (media == TULIP_MEDIA_UNKNOWN) 2682 break; 2683 mi->mi_type = TULIP_MEDIAINFO_SYM; 2684 sc->tulip_mediums[media] = mi; 2685 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2686 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2687 data = dp[5] + dp[6] * 256; 2688 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2689 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2690 mi->mi_actmask = 0; 2691 } else { 2692 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2693 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2694 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2695 } 2696 if (TULIP_IS_MEDIA_TP(media)) 2697 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2698 mi++; 2699 break; 2700 } 2701#if 0 2702 case 5: { /* 21143 Reset block */ 2703 mi->mi_type = TULIP_MEDIAINFO_RESET; 2704 mi->mi_reset_length = *dp++; 2705 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2706 dp += 2 * mi->mi_reset_length; 2707 mi++; 2708 break; 2709 } 2710#endif 2711 default: { 2712 } 2713 } 2714 dp = ep; 2715 } 2716 } 2717 return mi - sc->tulip_mediainfo; 2718} 2719 2720static const struct { 2721 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2722 unsigned char vendor_oui[3]; 2723} tulip_vendors[] = { 2724 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2725 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2726 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2727 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2728 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2729 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2730 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2731 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2732 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2733 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2734 { NULL } 2735}; 2736 2737/* 2738 * This deals with the vagaries of the address roms and the 2739 * brain-deadness that various vendors commit in using them. 2740 */ 2741static int 2742tulip_read_macaddr( 2743 tulip_softc_t * const sc) 2744{ 2745 unsigned cksum, rom_cksum, idx; 2746 u_int32_t csr; 2747 unsigned char tmpbuf[8]; 2748 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2749 2750 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2751 2752 if (sc->tulip_chipid == TULIP_21040) { 2753 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2754 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2755 int cnt = 0; 2756 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2757 cnt++; 2758 sc->tulip_rombuf[idx] = csr & 0xFF; 2759 } 2760 sc->tulip_boardsw = &tulip_21040_boardsw; 2761#if defined(TULIP_EISA) 2762 } else if (sc->tulip_chipid == TULIP_DE425) { 2763 int cnt; 2764 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2765 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2766 if (tmpbuf[idx] == testpat[idx]) 2767 ++idx; 2768 else 2769 idx = 0; 2770 } 2771 for (idx = 0; idx < 32; idx++) 2772 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2773 sc->tulip_boardsw = &tulip_21040_boardsw; 2774#endif /* TULIP_EISA */ 2775 } else { 2776 if (sc->tulip_chipid == TULIP_21041) { 2777 /* 2778 * Thankfully all 21041's act the same. 2779 */ 2780 sc->tulip_boardsw = &tulip_21041_boardsw; 2781 } else { 2782 /* 2783 * Assume all 21140 board are compatible with the 2784 * DEC 10/100 evaluation board. Not really valid but 2785 * it's the best we can do until every one switches to 2786 * the new SROM format. 2787 */ 2788 2789 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2790 } 2791 tulip_srom_read(sc); 2792 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2793 /* 2794 * SROM CRC is valid therefore it must be in the 2795 * new format. 2796 */ 2797 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2798 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2799 /* 2800 * No checksum is present. See if the SROM id checks out; 2801 * the first 18 bytes should be 0 followed by a 1 followed 2802 * by the number of adapters (which we don't deal with yet). 2803 */ 2804 for (idx = 0; idx < 18; idx++) { 2805 if (sc->tulip_rombuf[idx] != 0) 2806 break; 2807 } 2808 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2809 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2810 } else if (sc->tulip_chipid >= TULIP_21142) { 2811 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2812 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2813 } 2814 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2815 if (sc->tulip_chipid != TULIP_21041) 2816 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2817 2818 /* 2819 * If the SROM specifies more than one adapter, tag this as a 2820 * BASE rom. 2821 */ 2822 if (sc->tulip_rombuf[19] > 1) 2823 sc->tulip_features |= TULIP_HAVE_BASEROM; 2824 if (sc->tulip_boardsw == NULL) 2825 return -6; 2826 goto check_oui; 2827 } 2828 } 2829 2830 2831 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2832 /* 2833 * Some folks don't use the standard ethernet rom format 2834 * but instead just put the address in the first 6 bytes 2835 * of the rom and let the rest be all 0xffs. (Can we say 2836 * ZNYX?) (well sometimes they put in a checksum so we'll 2837 * start at 8). 2838 */ 2839 for (idx = 8; idx < 32; idx++) { 2840 if (sc->tulip_rombuf[idx] != 0xFF) 2841 return -4; 2842 } 2843 /* 2844 * Make sure the address is not multicast or locally assigned 2845 * that the OUI is not 00-00-00. 2846 */ 2847 if ((sc->tulip_rombuf[0] & 3) != 0) 2848 return -4; 2849 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2850 && sc->tulip_rombuf[2] == 0) 2851 return -4; 2852 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2853 sc->tulip_features |= TULIP_HAVE_OKROM; 2854 goto check_oui; 2855 } else { 2856 /* 2857 * A number of makers of multiport boards (ZNYX and Cogent) 2858 * only put on one address ROM on their 21040 boards. So 2859 * if the ROM is all zeros (or all 0xFFs), look at the 2860 * previous configured boards (as long as they are on the same 2861 * PCI bus and the bus number is non-zero) until we find the 2862 * master board with address ROM. We then use its address ROM 2863 * as the base for this board. (we add our relative board 2864 * to the last byte of its address). 2865 */ 2866 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2867 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2868 break; 2869 } 2870 if (idx == sizeof(sc->tulip_rombuf)) { 2871 int root_unit; 2872 tulip_softc_t *root_sc = NULL; 2873 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2874 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2875 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2876 break; 2877 root_sc = NULL; 2878 } 2879 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2880 && root_sc->tulip_chipid == sc->tulip_chipid 2881 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2882 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2883 sc->tulip_boardsw = root_sc->tulip_boardsw; 2884 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2885 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2886 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2887 sizeof(sc->tulip_rombuf)); 2888 if (!tulip_srom_decode(sc)) 2889 return -5; 2890 } else { 2891 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2892 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2893 } 2894 /* 2895 * Now for a truly disgusting kludge: all 4 21040s on 2896 * the ZX314 share the same INTA line so the mapping 2897 * setup by the BIOS on the PCI bridge is worthless. 2898 * Rather than reprogramming the value in the config 2899 * register, we will handle this internally. 2900 */ 2901 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2902 sc->tulip_slaves = root_sc->tulip_slaves; 2903 root_sc->tulip_slaves = sc; 2904 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2905 } 2906 return 0; 2907 } 2908 } 2909 } 2910 2911 /* 2912 * This is the standard DEC address ROM test. 2913 */ 2914 2915 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2916 return -3; 2917 2918 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2919 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2920 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2921 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2922 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2923 return -2; 2924 2925 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2926 2927 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2928 cksum *= 2; 2929 if (cksum > 65535) cksum -= 65535; 2930 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2931 if (cksum > 65535) cksum -= 65535; 2932 cksum *= 2; 2933 if (cksum > 65535) cksum -= 65535; 2934 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2935 if (cksum >= 65535) cksum -= 65535; 2936 2937 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2938 2939 if (cksum != rom_cksum) 2940 return -1; 2941 2942 check_oui: 2943 /* 2944 * Check for various boards based on OUI. Did I say braindead? 2945 */ 2946 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2947 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2948 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2949 break; 2950 } 2951 } 2952 2953 sc->tulip_features |= TULIP_HAVE_OKROM; 2954 return 0; 2955} 2956 2957static void 2958tulip_ifmedia_add( 2959 tulip_softc_t * const sc) 2960{ 2961 tulip_media_t media; 2962 int medias = 0; 2963 2964 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2965 if (sc->tulip_mediums[media] != NULL) { 2966 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2967 0, 0); 2968 medias++; 2969 } 2970 } 2971 if (medias == 0) { 2972 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2973 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2974 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2975 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2976 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2977 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2978 } else { 2979 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2980 sc->tulip_flags |= TULIP_PRINTMEDIA; 2981 tulip_linkup(sc, sc->tulip_media); 2982 } 2983} 2984 2985static int 2986tulip_ifmedia_change( 2987 struct ifnet * const ifp) 2988{ 2989 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2990 2991 sc->tulip_flags |= TULIP_NEEDRESET; 2992 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2993 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2994 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2995 tulip_media_t media; 2996 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2997 if (sc->tulip_mediums[media] != NULL 2998 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2999 sc->tulip_flags |= TULIP_PRINTMEDIA; 3000 sc->tulip_flags &= ~TULIP_DIDNWAY; 3001 tulip_linkup(sc, media); 3002 return 0; 3003 } 3004 } 3005 } 3006 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3007 tulip_reset(sc); 3008 tulip_init(sc); 3009 return 0; 3010} 3011 3012/* 3013 * Media status callback 3014 */ 3015static void 3016tulip_ifmedia_status( 3017 struct ifnet * const ifp, 3018 struct ifmediareq *req) 3019{ 3020 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3021 3022 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3023 return; 3024 3025 req->ifm_status = IFM_AVALID; 3026 if (sc->tulip_flags & TULIP_LINKUP) 3027 req->ifm_status |= IFM_ACTIVE; 3028 3029 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3030} 3031 3032static void 3033tulip_addr_filter( 3034 tulip_softc_t * const sc) 3035{ 3036 struct ifmultiaddr *ifma; 3037 u_char *addrp; 3038 int multicnt; 3039 3040 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3041 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3042 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3043 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3044#if defined(IFF_ALLMULTI) 3045 if (sc->tulip_if.if_flags & IFF_ALLMULTI) 3046 sc->tulip_flags |= TULIP_ALLMULTI ; 3047#endif 3048 3049 multicnt = 0; 3050 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3051 ifma = ifma->ifma_link.le_next) { 3052 3053 if (ifma->ifma_addr->sa_family == AF_LINK) 3054 multicnt++; 3055 } 3056 3057 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3058 if (multicnt > 14) { 3059 u_int32_t *sp = sc->tulip_setupdata; 3060 unsigned hash; 3061 /* 3062 * Some early passes of the 21140 have broken implementations of 3063 * hash-perfect mode. When we get too many multicasts for perfect 3064 * filtering with these chips, we need to switch into hash-only 3065 * mode (this is better than all-multicast on network with lots 3066 * of multicast traffic). 3067 */ 3068 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3069 sc->tulip_flags |= TULIP_WANTHASHONLY; 3070 else 3071 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3072 /* 3073 * If we have more than 14 multicasts, we have 3074 * go into hash perfect mode (512 bit multicast 3075 * hash and one perfect hardware). 3076 */ 3077 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3078 3079 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3080 ifma = ifma->ifma_link.le_next) { 3081 3082 if (ifma->ifma_addr->sa_family != AF_LINK) 3083 continue; 3084 3085 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3086#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 } 3092 /* 3093 * No reason to use a hash if we are going to be 3094 * receiving every multicast. 3095 */ 3096 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3097 hash = tulip_mchash(etherbroadcastaddr); 3098#if BYTE_ORDER == BIG_ENDIAN 3099 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3100#else 3101 sp[hash >> 4] |= 1 << (hash & 0xF); 3102#endif 3103 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3104 hash = tulip_mchash(sc->tulip_enaddr); 3105#if BYTE_ORDER == BIG_ENDIAN 3106 sp[hash >> 4] |= bswap32(1 << (hash & 0xF)); 3107#else 3108 sp[hash >> 4] |= 1 << (hash & 0xF); 3109#endif 3110 } else { 3111#if BYTE_ORDER == BIG_ENDIAN 3112 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3113 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3114 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3115#else 3116 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 3117 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 3118 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 3119#endif 3120 } 3121 } 3122 } 3123 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3124 u_int32_t *sp = sc->tulip_setupdata; 3125 int idx = 0; 3126 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3127 /* 3128 * Else can get perfect filtering for 16 addresses. 3129 */ 3130 for (ifma = sc->tulip_if.if_multiaddrs.lh_first; ifma != NULL; 3131 ifma = ifma->ifma_link.le_next) { 3132 if (ifma->ifma_addr->sa_family != AF_LINK) 3133 continue; 3134 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3135#if BYTE_ORDER == BIG_ENDIAN 3136 *sp++ = ((u_int16_t *) addrp)[0] << 16; 3137 *sp++ = ((u_int16_t *) addrp)[1] << 16; 3138 *sp++ = ((u_int16_t *) addrp)[2] << 16; 3139#else 3140 *sp++ = ((u_int16_t *) addrp)[0]; 3141 *sp++ = ((u_int16_t *) addrp)[1]; 3142 *sp++ = ((u_int16_t *) addrp)[2]; 3143#endif 3144 idx++; 3145 } 3146 /* 3147 * Add the broadcast address. 3148 */ 3149 idx++; 3150#if BYTE_ORDER == BIG_ENDIAN 3151 *sp++ = 0xFFFF << 16; 3152 *sp++ = 0xFFFF << 16; 3153 *sp++ = 0xFFFF << 16; 3154#else 3155 *sp++ = 0xFFFF; 3156 *sp++ = 0xFFFF; 3157 *sp++ = 0xFFFF; 3158#endif 3159 } 3160 /* 3161 * Pad the rest with our hardware address 3162 */ 3163 for (; idx < 16; idx++) { 3164#if BYTE_ORDER == BIG_ENDIAN 3165 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3166 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3167 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3168#else 3169 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3170 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3171 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3172#endif 3173 } 3174 } 3175#if defined(IFF_ALLMULTI) 3176 if (sc->tulip_flags & TULIP_ALLMULTI) 3177 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3178#endif 3179} 3180 3181static void 3182tulip_reset( 3183 tulip_softc_t * const sc) 3184{ 3185 tulip_ringinfo_t *ri; 3186 tulip_desc_t *di; 3187 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3188 3189 /* 3190 * Brilliant. Simply brilliant. When switching modes/speeds 3191 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3192 * bits in CSR6 and then do a software reset to get the 21140 3193 * to properly reset its internal pathways to the right places. 3194 * Grrrr. 3195 */ 3196 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3197 && sc->tulip_boardsw->bd_media_preset != NULL) 3198 (*sc->tulip_boardsw->bd_media_preset)(sc); 3199 3200 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3201 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3202 33MHz that comes to two microseconds but wait a 3203 bit longer anyways) */ 3204 3205 if (!inreset) { 3206 sc->tulip_flags |= TULIP_INRESET; 3207 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3208 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3209 sc->tulip_if.if_start = tulip_ifstart; 3210 } 3211 3212#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3213 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3214#else 3215 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3216#endif 3217#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3218 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3219#else 3220 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3221#endif 3222 TULIP_CSR_WRITE(sc, csr_busmode, 3223 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3224 |TULIP_BUSMODE_CACHE_ALIGN8 3225 |TULIP_BUSMODE_READMULTIPLE 3226 |(BYTE_ORDER != LITTLE_ENDIAN ? 3227 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3228 3229 sc->tulip_txtimer = 0; 3230 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3231 /* 3232 * Free all the mbufs that were on the transmit ring. 3233 */ 3234 for (;;) { 3235#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3236 bus_dmamap_t map; 3237#endif 3238 struct mbuf *m; 3239 IF_DEQUEUE(&sc->tulip_txq, m); 3240 if (m == NULL) 3241 break; 3242#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3243 map = M_GETCTX(m, bus_dmamap_t); 3244 bus_dmamap_unload(sc->tulip_dmatag, map); 3245 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3246#endif 3247 m_freem(m); 3248 } 3249 3250 ri = &sc->tulip_txinfo; 3251 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3252 ri->ri_free = ri->ri_max; 3253 for (di = ri->ri_first; di < ri->ri_last; di++) 3254 di->d_status = 0; 3255#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3256 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3257 0, sc->tulip_txdescmap->dm_mapsize, 3258 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3259#endif 3260 3261 /* 3262 * We need to collect all the mbufs were on the 3263 * receive ring before we reinit it either to put 3264 * them back on or to know if we have to allocate 3265 * more. 3266 */ 3267 ri = &sc->tulip_rxinfo; 3268 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3269 ri->ri_free = ri->ri_max; 3270 for (di = ri->ri_first; di < ri->ri_last; di++) { 3271 di->d_status = 0; 3272 di->d_length1 = 0; di->d_addr1 = 0; 3273 di->d_length2 = 0; di->d_addr2 = 0; 3274 } 3275#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3276 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3277 0, sc->tulip_rxdescmap->dm_mapsize, 3278 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3279#endif 3280 for (;;) { 3281#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3282 bus_dmamap_t map; 3283#endif 3284 struct mbuf *m; 3285 IF_DEQUEUE(&sc->tulip_rxq, m); 3286 if (m == NULL) 3287 break; 3288#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3289 map = M_GETCTX(m, bus_dmamap_t); 3290 bus_dmamap_unload(sc->tulip_dmatag, map); 3291 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3292#endif 3293 m_freem(m); 3294 } 3295 3296 /* 3297 * If tulip_reset is being called recurisvely, exit quickly knowing 3298 * that when the outer tulip_reset returns all the right stuff will 3299 * have happened. 3300 */ 3301 if (inreset) 3302 return; 3303 3304 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3305 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3306 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3307 |TULIP_STS_RXSTOPPED; 3308 3309 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3310 (*sc->tulip_boardsw->bd_media_select)(sc); 3311#if defined(TULIP_DEBUG) 3312 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3313 printf("%s%d: tulip_reset: additional reset needed?!?\n", 3314 sc->tulip_name, sc->tulip_unit); 3315#endif 3316 tulip_media_print(sc); 3317 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3318 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3319 3320 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3321 |TULIP_RXACT); 3322 tulip_addr_filter(sc); 3323} 3324 3325static void 3326tulip_init( 3327 tulip_softc_t * const sc) 3328{ 3329 if (sc->tulip_if.if_flags & IFF_UP) { 3330 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3331 /* initialize the media */ 3332 tulip_reset(sc); 3333 } 3334 sc->tulip_if.if_flags |= IFF_RUNNING; 3335 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3336 sc->tulip_flags |= TULIP_PROMISC; 3337 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3338 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3339 } else { 3340 sc->tulip_flags &= ~TULIP_PROMISC; 3341 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3342 if (sc->tulip_flags & TULIP_ALLMULTI) { 3343 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3344 } else { 3345 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3346 } 3347 } 3348 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3349 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3350 tulip_rx_intr(sc); 3351 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3352 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3353 } else { 3354 sc->tulip_if.if_flags |= IFF_OACTIVE; 3355 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3356 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3357 } 3358 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3359 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3360 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3361 tulip_txput_setup(sc); 3362 } else { 3363 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3364 tulip_reset(sc); 3365 } 3366} 3367 3368static void 3369tulip_rx_intr( 3370 tulip_softc_t * const sc) 3371{ 3372 TULIP_PERFSTART(rxintr) 3373 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3374 struct ifnet * const ifp = &sc->tulip_if; 3375 int fillok = 1; 3376#if defined(TULIP_DEBUG) 3377 int cnt = 0; 3378#endif 3379 3380 for (;;) { 3381 TULIP_PERFSTART(rxget) 3382 struct ether_header eh; 3383 tulip_desc_t *eop = ri->ri_nextin; 3384 int total_len = 0, last_offset = 0; 3385 struct mbuf *ms = NULL, *me = NULL; 3386 int accept = 0; 3387#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3388 bus_dmamap_t map; 3389 int error; 3390#endif 3391 3392 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3393 goto queue_mbuf; 3394 3395#if defined(TULIP_DEBUG) 3396 if (cnt == ri->ri_max) 3397 break; 3398#endif 3399 /* 3400 * If the TULIP has no descriptors, there can't be any receive 3401 * descriptors to process. 3402 */ 3403 if (eop == ri->ri_nextout) 3404 break; 3405 3406 /* 3407 * 90% of the packets will fit in one descriptor. So we optimize 3408 * for that case. 3409 */ 3410 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3411 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3412 IF_DEQUEUE(&sc->tulip_rxq, ms); 3413 me = ms; 3414 } else { 3415 /* 3416 * If still owned by the TULIP, don't touch it. 3417 */ 3418 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3419 break; 3420 3421 /* 3422 * It is possible (though improbable unless the BIG_PACKET support 3423 * is enabled or MCLBYTES < 1518) for a received packet to cross 3424 * more than one receive descriptor. 3425 */ 3426 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3427 if (++eop == ri->ri_last) 3428 eop = ri->ri_first; 3429 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3430 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3431#if defined(TULIP_DEBUG) 3432 sc->tulip_dbg.dbg_rxintrs++; 3433 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3434#endif 3435 TULIP_PERFEND(rxget); 3436 TULIP_PERFEND(rxintr); 3437 return; 3438 } 3439 total_len++; 3440 } 3441 3442 /* 3443 * Dequeue the first buffer for the start of the packet. Hopefully 3444 * this will be the only one we need to dequeue. However, if the 3445 * packet consumed multiple descriptors, then we need to dequeue 3446 * those buffers and chain to the starting mbuf. All buffers but 3447 * the last buffer have the same length so we can set that now. 3448 * (we add to last_offset instead of multiplying since we normally 3449 * won't go into the loop and thereby saving a ourselves from 3450 * doing a multiplication by 0 in the normal case). 3451 */ 3452 IF_DEQUEUE(&sc->tulip_rxq, ms); 3453 for (me = ms; total_len > 0; total_len--) { 3454#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3455 map = M_GETCTX(me, bus_dmamap_t); 3456 TULIP_RXMAP_POSTSYNC(sc, map); 3457 bus_dmamap_unload(sc->tulip_dmatag, map); 3458 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3459#if defined(DIAGNOSTIC) 3460 M_SETCTX(me, NULL); 3461#endif 3462#endif /* TULIP_BUS_DMA */ 3463 me->m_len = TULIP_RX_BUFLEN; 3464 last_offset += TULIP_RX_BUFLEN; 3465 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3466 me = me->m_next; 3467 } 3468 } 3469 3470 /* 3471 * Now get the size of received packet (minus the CRC). 3472 */ 3473 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3474 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3475 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0 3476#ifdef BIG_PACKET 3477 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3478 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3479 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3480 TULIP_DSTS_RxOVERFLOW)) == 0) 3481#endif 3482 )) { 3483 me->m_len = total_len - last_offset; 3484 3485#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3486 map = M_GETCTX(me, bus_dmamap_t); 3487 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3488 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3489 bus_dmamap_unload(sc->tulip_dmatag, map); 3490 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3491#if defined(DIAGNOSTIC) 3492 M_SETCTX(me, NULL); 3493#endif 3494#endif /* TULIP_BUS_DMA */ 3495 3496 eh = *mtod(ms, struct ether_header *); 3497#if NBPF > 0 3498 if (sc->tulip_if.if_bpf != NULL) { 3499 if (me == ms) 3500 bpf_tap(&sc->tulip_if, mtod(ms, caddr_t), total_len); 3501 else 3502 bpf_mtap(&sc->tulip_if, ms); 3503 } 3504#endif 3505 sc->tulip_flags |= TULIP_RXACT; 3506 3507#ifdef BRIDGE /* see code in if_ed.c */ 3508 ms->m_pkthdr.rcvif = ifp; /* XXX */ 3509 ms->m_pkthdr.len = total_len; /* XXX */ 3510 if (do_bridge) { 3511 struct ifnet *bdg_ifp ; 3512 bdg_ifp = bridge_in(ms); 3513 if (bdg_ifp == BDG_DROP) 3514 goto next ; /* and drop */ 3515 if (bdg_ifp != BDG_LOCAL) 3516 bdg_forward(&ms, bdg_ifp); 3517 if (bdg_ifp != BDG_LOCAL && bdg_ifp != BDG_BCAST && 3518 bdg_ifp != BDG_MCAST) 3519 goto next ; /* and drop */ 3520 /* all others accepted locally */ 3521 } else 3522#endif 3523 if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY)) 3524 && (eh.ether_dhost[0] & 1) == 0 3525 && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr)) 3526 goto next; 3527 accept = 1; 3528 } else { 3529 ifp->if_ierrors++; 3530 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3531 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3532 } else { 3533#if defined(TULIP_VERBOSE) 3534 const char *error = NULL; 3535#endif 3536 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3537 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3538#if defined(TULIP_VERBOSE) 3539 error = "frame too long"; 3540#endif 3541 } 3542 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3543 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3544 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3545#if defined(TULIP_VERBOSE) 3546 error = "alignment error"; 3547#endif 3548 } else { 3549 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3550#if defined(TULIP_VERBOSE) 3551 error = "bad crc"; 3552#endif 3553 } 3554 } 3555#if defined(TULIP_VERBOSE) 3556 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3557 printf("%s%d: receive: %6D: %s\n", 3558 sc->tulip_name, sc->tulip_unit, 3559 mtod(ms, u_char *) + 6, ":", 3560 error); 3561 sc->tulip_flags |= TULIP_NOMESSAGES; 3562 } 3563#endif 3564 } 3565 3566#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3567 map = M_GETCTX(me, bus_dmamap_t); 3568 bus_dmamap_unload(sc->tulip_dmatag, map); 3569 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3570#if defined(DIAGNOSTIC) 3571 M_SETCTX(me, NULL); 3572#endif 3573#endif /* TULIP_BUS_DMA */ 3574 } 3575 next: 3576#if defined(TULIP_DEBUG) 3577 cnt++; 3578#endif 3579 ifp->if_ipackets++; 3580 if (++eop == ri->ri_last) 3581 eop = ri->ri_first; 3582 ri->ri_nextin = eop; 3583 queue_mbuf: 3584 /* 3585 * Either we are priming the TULIP with mbufs (m == NULL) 3586 * or we are about to accept an mbuf for the upper layers 3587 * so we need to allocate an mbuf to replace it. If we 3588 * can't replace it, send up it anyways. This may cause 3589 * us to drop packets in the future but that's better than 3590 * being caught in livelock. 3591 * 3592 * Note that if this packet crossed multiple descriptors 3593 * we don't even try to reallocate all the mbufs here. 3594 * Instead we rely on the test of the beginning of 3595 * the loop to refill for the extra consumed mbufs. 3596 */ 3597 if (accept || ms == NULL) { 3598 struct mbuf *m0; 3599 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3600 if (m0 != NULL) { 3601#if defined(TULIP_COPY_RXDATA) 3602 if (!accept || total_len >= (MHLEN - 2)) { 3603#endif 3604 MCLGET(m0, M_DONTWAIT); 3605 if ((m0->m_flags & M_EXT) == 0) { 3606 m_freem(m0); 3607 m0 = NULL; 3608 } 3609#if defined(TULIP_COPY_RXDATA) 3610 } 3611#endif 3612 } 3613 if (accept 3614#if defined(TULIP_COPY_RXDATA) 3615 && m0 != NULL 3616#endif 3617 ) { 3618#if !defined(TULIP_COPY_RXDATA) 3619 ms->m_pkthdr.len = total_len; 3620 ms->m_pkthdr.rcvif = ifp; 3621 m_adj(ms, sizeof(struct ether_header)); 3622 ether_input(ifp, &eh, ms); 3623#else 3624#ifdef BIG_PACKET 3625#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3626#endif 3627 m0->m_data += 2; /* align data after header */ 3628 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3629 m0->m_len = m0->m_pkthdr.len = total_len; 3630 m0->m_pkthdr.rcvif = ifp; 3631 m_adj(m0, sizeof(struct ether_header)); 3632 ether_input(ifp, &eh, m0); 3633 m0 = ms; 3634#endif /* ! TULIP_COPY_RXDATA */ 3635 } 3636 ms = m0; 3637 } 3638 if (ms == NULL) { 3639 /* 3640 * Couldn't allocate a new buffer. Don't bother 3641 * trying to replenish the receive queue. 3642 */ 3643 fillok = 0; 3644 sc->tulip_flags |= TULIP_RXBUFSLOW; 3645#if defined(TULIP_DEBUG) 3646 sc->tulip_dbg.dbg_rxlowbufs++; 3647#endif 3648 TULIP_PERFEND(rxget); 3649 continue; 3650 } 3651 /* 3652 * Now give the buffer(s) to the TULIP and save in our 3653 * receive queue. 3654 */ 3655 do { 3656 tulip_desc_t * const nextout = ri->ri_nextout; 3657#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NORX) 3658 if (sc->tulip_rxmaps_free > 0) { 3659 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3660 } else { 3661 m_freem(ms); 3662 sc->tulip_flags |= TULIP_RXBUFSLOW; 3663#if defined(TULIP_DEBUG) 3664 sc->tulip_dbg.dbg_rxlowbufs++; 3665#endif 3666 break; 3667 } 3668 M_SETCTX(ms, map); 3669 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3670 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3671 if (error) { 3672 printf("%s%d: unable to load rx map, " 3673 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 3674 panic("tulip_rx_intr"); /* XXX */ 3675 } 3676 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3677 nextout->d_length1 = map->dm_segs[0].ds_len; 3678 if (map->dm_nsegs == 2) { 3679 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3680 nextout->d_length2 = map->dm_segs[1].ds_len; 3681 } else { 3682 nextout->d_addr2 = 0; 3683 nextout->d_length2 = 0; 3684 } 3685 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3686#else /* TULIP_BUS_DMA */ 3687 nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t)); 3688 nextout->d_length1 = TULIP_RX_BUFLEN; 3689#endif /* TULIP_BUS_DMA */ 3690 nextout->d_status = TULIP_DSTS_OWNER; 3691 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3692 if (++ri->ri_nextout == ri->ri_last) 3693 ri->ri_nextout = ri->ri_first; 3694 me = ms->m_next; 3695 ms->m_next = NULL; 3696 IF_ENQUEUE(&sc->tulip_rxq, ms); 3697 } while ((ms = me) != NULL); 3698 3699 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3700 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3701 TULIP_PERFEND(rxget); 3702 } 3703 3704#if defined(TULIP_DEBUG) 3705 sc->tulip_dbg.dbg_rxintrs++; 3706 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3707#endif 3708 TULIP_PERFEND(rxintr); 3709} 3710 3711static int 3712tulip_tx_intr( 3713 tulip_softc_t * const sc) 3714{ 3715 TULIP_PERFSTART(txintr) 3716 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3717 struct mbuf *m; 3718 int xmits = 0; 3719 int descs = 0; 3720 3721 while (ri->ri_free < ri->ri_max) { 3722 u_int32_t d_flag; 3723 3724 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3725 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3726 break; 3727 3728 ri->ri_free++; 3729 descs++; 3730 d_flag = ri->ri_nextin->d_flag; 3731 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3732 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3733 /* 3734 * We've just finished processing a setup packet. 3735 * Mark that we finished it. If there's not 3736 * another pending, startup the TULIP receiver. 3737 * Make sure we ack the RXSTOPPED so we won't get 3738 * an abormal interrupt indication. 3739 */ 3740 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3741 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3742 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3743 sc->tulip_flags |= TULIP_HASHONLY; 3744 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3745 tulip_rx_intr(sc); 3746 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3747 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3748 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3749 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3750 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3751 } 3752 } else { 3753 const u_int32_t d_status = ri->ri_nextin->d_status; 3754 IF_DEQUEUE(&sc->tulip_txq, m); 3755 if (m != NULL) { 3756#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 3757 bus_dmamap_t map = M_GETCTX(m, bus_dmamap_t); 3758 TULIP_TXMAP_POSTSYNC(sc, map); 3759 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3760#endif /* TULIP_BUS_DMA */ 3761#if NBPF > 0 3762 if (sc->tulip_if.if_bpf != NULL) 3763 bpf_mtap(&sc->tulip_if, m); 3764#endif 3765 m_freem(m); 3766#if defined(TULIP_DEBUG) 3767 } else { 3768 printf("%s%d: tx_intr: failed to dequeue mbuf?!?\n", 3769 sc->tulip_name, sc->tulip_unit); 3770#endif 3771 } 3772 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3773 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3774 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3775#if defined(TULIP_DEBUG) 3776 if (d_status & TULIP_DSTS_TxNOCARR) 3777 sc->tulip_dbg.dbg_txprobe_nocarr++; 3778 if (d_status & TULIP_DSTS_TxEXCCOLL) 3779 sc->tulip_dbg.dbg_txprobe_exccoll++; 3780#endif 3781 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3782 } 3783 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3784 /* 3785 * Escape from the loop before media poll has reset the TULIP! 3786 */ 3787 break; 3788 } else { 3789 xmits++; 3790 if (d_status & TULIP_DSTS_ERRSUM) { 3791 sc->tulip_if.if_oerrors++; 3792 if (d_status & TULIP_DSTS_TxEXCCOLL) 3793 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3794 if (d_status & TULIP_DSTS_TxLATECOLL) 3795 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3796 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3797 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3798 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3799 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3800 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3801 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3802 if (d_status & TULIP_DSTS_TxBABBLE) 3803 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3804 } else { 3805 u_int32_t collisions = 3806 (d_status & TULIP_DSTS_TxCOLLMASK) 3807 >> TULIP_DSTS_V_TxCOLLCNT; 3808 sc->tulip_if.if_collisions += collisions; 3809 if (collisions == 1) 3810 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3811 else if (collisions > 1) 3812 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3813 else if (d_status & TULIP_DSTS_TxDEFERRED) 3814 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3815 /* 3816 * SQE is only valid for 10baseT/BNC/AUI when not 3817 * running in full-duplex. In order to speed up the 3818 * test, the corresponding bit in tulip_flags needs to 3819 * set as well to get us to count SQE Test Errors. 3820 */ 3821 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3822 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3823 } 3824 } 3825 } 3826 } 3827 3828 if (++ri->ri_nextin == ri->ri_last) 3829 ri->ri_nextin = ri->ri_first; 3830 3831 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3832 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3833 } 3834 /* 3835 * If nothing left to transmit, disable the timer. 3836 * Else if progress, reset the timer back to 2 ticks. 3837 */ 3838 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3839 sc->tulip_txtimer = 0; 3840 else if (xmits > 0) 3841 sc->tulip_txtimer = TULIP_TXTIMER; 3842 sc->tulip_if.if_opackets += xmits; 3843 TULIP_PERFEND(txintr); 3844 return descs; 3845} 3846 3847static void 3848tulip_print_abnormal_interrupt( 3849 tulip_softc_t * const sc, 3850 u_int32_t csr) 3851{ 3852 const char * const *msgp = tulip_status_bits; 3853 const char *sep; 3854 u_int32_t mask; 3855 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3856 3857 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3858 printf("%s%d: abnormal interrupt:", sc->tulip_name, sc->tulip_unit); 3859 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3860 if ((csr & mask) && *msgp != NULL) { 3861 printf("%s%s", sep, *msgp); 3862 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3863 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3864 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3865 printf(" (switching to store-and-forward mode)"); 3866 } else { 3867 printf(" (raising TX threshold to %s)", 3868 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3869 } 3870 } 3871 sep = ", "; 3872 } 3873 } 3874 printf("\n"); 3875} 3876 3877static void 3878tulip_intr_handler( 3879 tulip_softc_t * const sc, 3880 int *progress_p) 3881{ 3882 TULIP_PERFSTART(intr) 3883 u_int32_t csr; 3884 3885 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3886 *progress_p = 1; 3887 TULIP_CSR_WRITE(sc, csr_status, csr); 3888 3889 if (csr & TULIP_STS_SYSERROR) { 3890 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3891 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3892 sc->tulip_flags |= TULIP_SYSTEMERROR; 3893 } else { 3894 printf("%s%d: system error: %s\n", 3895 sc->tulip_name, sc->tulip_unit, 3896 tulip_system_errors[sc->tulip_last_system_error]); 3897 } 3898 sc->tulip_flags |= TULIP_NEEDRESET; 3899 sc->tulip_system_errors++; 3900 break; 3901 } 3902 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3903#if defined(TULIP_DEBUG) 3904 sc->tulip_dbg.dbg_link_intrs++; 3905#endif 3906 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3907 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3908 ? TULIP_MEDIAPOLL_LINKFAIL 3909 : TULIP_MEDIAPOLL_LINKPASS); 3910 csr &= ~TULIP_STS_ABNRMLINTR; 3911 } 3912 tulip_media_print(sc); 3913 } 3914 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3915 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3916 if (csr & TULIP_STS_RXNOBUF) 3917 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3918 /* 3919 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3920 * on receive overflows. 3921 */ 3922 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3923 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3924 /* 3925 * Stop the receiver process and spin until it's stopped. 3926 * Tell rx_intr to drop the packets it dequeues. 3927 */ 3928 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3929 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3930 ; 3931 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3932 sc->tulip_flags |= TULIP_RXIGNORE; 3933 } 3934 tulip_rx_intr(sc); 3935 if (sc->tulip_flags & TULIP_RXIGNORE) { 3936 /* 3937 * Restart the receiver. 3938 */ 3939 sc->tulip_flags &= ~TULIP_RXIGNORE; 3940 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3941 } 3942 } 3943 if (csr & TULIP_STS_ABNRMLINTR) { 3944 u_int32_t tmp = csr & sc->tulip_intrmask 3945 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3946 if (csr & TULIP_STS_TXUNDERFLOW) { 3947 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3948 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3949 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3950 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3951 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3952 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3953 } 3954 } 3955 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3956 sc->tulip_statusbits |= tmp; 3957 } else { 3958 tulip_print_abnormal_interrupt(sc, tmp); 3959 sc->tulip_flags |= TULIP_NOMESSAGES; 3960 } 3961 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3962 } 3963 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3964 tulip_tx_intr(sc); 3965 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3966 tulip_ifstart(&sc->tulip_if); 3967 } 3968 } 3969 if (sc->tulip_flags & TULIP_NEEDRESET) { 3970 tulip_reset(sc); 3971 tulip_init(sc); 3972 } 3973 TULIP_PERFEND(intr); 3974} 3975 3976#if defined(TULIP_USE_SOFTINTR) 3977/* 3978 * This is a experimental idea to alleviate problems due to interrupt 3979 * livelock. What is interrupt livelock? It's when you spend all your 3980 * time servicing device interrupts and never drop below device ipl 3981 * to do "useful" work. 3982 * 3983 * So what we do here is see if the device needs service and if so, 3984 * disable interrupts (dismiss the interrupt), place it in a list of devices 3985 * needing service, and issue a network software interrupt. 3986 * 3987 * When our network software interrupt routine gets called, we simply 3988 * walk done the list of devices that we have created and deal with them 3989 * at splnet/splsoftnet. 3990 * 3991 */ 3992static void 3993tulip_hardintr_handler( 3994 tulip_softc_t * const sc, 3995 int *progress_p) 3996{ 3997 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3998 return; 3999 *progress_p = 1; 4000 /* 4001 * disable interrupts 4002 */ 4003 TULIP_CSR_WRITE(sc, csr_intr, 0); 4004 /* 4005 * mark it as needing a software interrupt 4006 */ 4007 tulip_softintr_mask |= (1U << sc->tulip_unit); 4008} 4009 4010static void 4011tulip_softintr( 4012 void) 4013{ 4014 u_int32_t softintr_mask, mask; 4015 int progress = 0; 4016 int unit; 4017 int s; 4018 4019 /* 4020 * Copy mask to local copy and reset global one to 0. 4021 */ 4022 s = splimp(); 4023 softintr_mask = tulip_softintr_mask; 4024 tulip_softintr_mask = 0; 4025 splx(s); 4026 4027 /* 4028 * Optimize for the single unit case. 4029 */ 4030 if (tulip_softintr_max_unit == 0) { 4031 if (softintr_mask & 1) { 4032 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 4033 /* 4034 * Handle the "interrupt" and then reenable interrupts 4035 */ 4036 softintr_mask = 0; 4037 tulip_intr_handler(sc, &progress); 4038 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4039 } 4040 return; 4041 } 4042 4043 /* 4044 * Handle all "queued" interrupts in a round robin fashion. 4045 * This is done so as not to favor a particular interface. 4046 */ 4047 unit = tulip_softintr_last_unit; 4048 mask = (1U << unit); 4049 while (softintr_mask != 0) { 4050 if (tulip_softintr_max_unit == unit) { 4051 unit = 0; mask = 1; 4052 } else { 4053 unit += 1; mask <<= 1; 4054 } 4055 if (softintr_mask & mask) { 4056 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 4057 /* 4058 * Handle the "interrupt" and then reenable interrupts 4059 */ 4060 softintr_mask ^= mask; 4061 tulip_intr_handler(sc, &progress); 4062 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4063 } 4064 } 4065 4066 /* 4067 * Save where we ending up. 4068 */ 4069 tulip_softintr_last_unit = unit; 4070} 4071#endif /* TULIP_USE_SOFTINTR */ 4072 4073static void 4074tulip_intr_shared( 4075 void *arg) 4076{ 4077 tulip_softc_t * sc = arg; 4078 int progress = 0; 4079 4080 for (; sc != NULL; sc = sc->tulip_slaves) { 4081#if defined(TULIP_DEBUG) 4082 sc->tulip_dbg.dbg_intrs++; 4083#endif 4084#if defined(TULIP_USE_SOFTINTR) 4085 tulip_hardintr_handler(sc, &progress); 4086#else 4087 tulip_intr_handler(sc, &progress); 4088#endif 4089 } 4090#if defined(TULIP_USE_SOFTINTR) 4091 if (progress) 4092 schednetisr(NETISR_DE); 4093#endif 4094} 4095 4096static void 4097tulip_intr_normal( 4098 void *arg) 4099{ 4100 tulip_softc_t * sc = (tulip_softc_t *) arg; 4101 int progress = 0; 4102 4103#if defined(TULIP_DEBUG) 4104 sc->tulip_dbg.dbg_intrs++; 4105#endif 4106#if defined(TULIP_USE_SOFTINTR) 4107 tulip_hardintr_handler(sc, &progress); 4108 if (progress) 4109 schednetisr(NETISR_DE); 4110#else 4111 tulip_intr_handler(sc, &progress); 4112#endif 4113} 4114 4115static struct mbuf * 4116tulip_mbuf_compress( 4117 struct mbuf *m) 4118{ 4119 struct mbuf *m0; 4120#if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4121 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4122 if (m0 != NULL) { 4123 if (m->m_pkthdr.len > MHLEN) { 4124 MCLGET(m0, M_DONTWAIT); 4125 if ((m0->m_flags & M_EXT) == 0) { 4126 m_freem(m); 4127 m_freem(m0); 4128 return NULL; 4129 } 4130 } 4131 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4132 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4133 } 4134#else 4135 int mlen = MHLEN; 4136 int len = m->m_pkthdr.len; 4137 struct mbuf **mp = &m0; 4138 4139 while (len > 0) { 4140 if (mlen == MHLEN) { 4141 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4142 } else { 4143 MGET(*mp, M_DONTWAIT, MT_DATA); 4144 } 4145 if (*mp == NULL) { 4146 m_freem(m0); 4147 m0 = NULL; 4148 break; 4149 } 4150 if (len > MLEN) { 4151 MCLGET(*mp, M_DONTWAIT); 4152 if (((*mp)->m_flags & M_EXT) == 0) { 4153 m_freem(m0); 4154 m0 = NULL; 4155 break; 4156 } 4157 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4158 } else { 4159 (*mp)->m_len = len <= mlen ? len : mlen; 4160 } 4161 m_copydata(m, m->m_pkthdr.len - len, 4162 (*mp)->m_len, mtod((*mp), caddr_t)); 4163 len -= (*mp)->m_len; 4164 mp = &(*mp)->m_next; 4165 mlen = MLEN; 4166 } 4167#endif 4168 m_freem(m); 4169 return m0; 4170} 4171 4172static struct mbuf * 4173tulip_txput( 4174 tulip_softc_t * const sc, 4175 struct mbuf *m) 4176{ 4177 TULIP_PERFSTART(txput) 4178 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4179 tulip_desc_t *eop, *nextout; 4180 int segcnt, free; 4181 u_int32_t d_status; 4182#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4183 bus_dmamap_t map; 4184 int error; 4185#else 4186 struct mbuf *m0; 4187#endif 4188 4189#if defined(TULIP_DEBUG) 4190 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4191 printf("%s%d: txput%s: tx not running\n", 4192 sc->tulip_name, sc->tulip_unit, 4193 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4194 sc->tulip_flags |= TULIP_WANTTXSTART; 4195 sc->tulip_dbg.dbg_txput_finishes[0]++; 4196 goto finish; 4197 } 4198#endif 4199 4200 /* 4201 * Now we try to fill in our transmit descriptors. This is 4202 * a bit reminiscent of going on the Ark two by two 4203 * since each descriptor for the TULIP can describe 4204 * two buffers. So we advance through packet filling 4205 * each of the two entries at a time to to fill each 4206 * descriptor. Clear the first and last segment bits 4207 * in each descriptor (actually just clear everything 4208 * but the end-of-ring or chain bits) to make sure 4209 * we don't get messed up by previously sent packets. 4210 * 4211 * We may fail to put the entire packet on the ring if 4212 * there is either not enough ring entries free or if the 4213 * packet has more than MAX_TXSEG segments. In the former 4214 * case we will just wait for the ring to empty. In the 4215 * latter case we have to recopy. 4216 */ 4217#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4218 again: 4219 m0 = m; 4220#endif 4221 d_status = 0; 4222 eop = nextout = ri->ri_nextout; 4223 segcnt = 0; 4224 free = ri->ri_free; 4225 4226#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4227 /* 4228 * Reclaim some dma maps from if we are out. 4229 */ 4230 if (sc->tulip_txmaps_free == 0) { 4231#if defined(TULIP_DEBUG) 4232 sc->tulip_dbg.dbg_no_txmaps++; 4233#endif 4234 free += tulip_tx_intr(sc); 4235 } 4236 if (sc->tulip_txmaps_free > 0) { 4237 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 4238 } else { 4239 sc->tulip_flags |= TULIP_WANTTXSTART; 4240#if defined(TULIP_DEBUG) 4241 sc->tulip_dbg.dbg_txput_finishes[1]++; 4242#endif 4243 goto finish; 4244 } 4245 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4246 if (error != 0) { 4247 if (error == EFBIG) { 4248 /* 4249 * The packet exceeds the number of transmit buffer 4250 * entries that we can use for one packet, so we have 4251 * to recopy it into one mbuf and then try again. 4252 */ 4253 m = tulip_mbuf_compress(m); 4254 if (m == NULL) { 4255#if defined(TULIP_DEBUG) 4256 sc->tulip_dbg.dbg_txput_finishes[2]++; 4257#endif 4258 goto finish; 4259 } 4260 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 4261 } 4262 if (error != 0) { 4263 printf("%s%d: unable to load tx map, " 4264 "error = %d\n", sc->tulip_name, sc->tulip_unit, error); 4265#if defined(TULIP_DEBUG) 4266 sc->tulip_dbg.dbg_txput_finishes[3]++; 4267#endif 4268 goto finish; 4269 } 4270 } 4271 if ((free -= (map->dm_nsegs + 1) / 2) <= 0 4272 /* 4273 * See if there's any unclaimed space in the transmit ring. 4274 */ 4275 && (free += tulip_tx_intr(sc)) <= 0) { 4276 /* 4277 * There's no more room but since nothing 4278 * has been committed at this point, just 4279 * show output is active, put back the 4280 * mbuf and return. 4281 */ 4282 sc->tulip_flags |= TULIP_WANTTXSTART; 4283#if defined(TULIP_DEBUG) 4284 sc->tulip_dbg.dbg_txput_finishes[4]++; 4285#endif 4286 bus_dmamap_unload(sc->tulip_dmatag, map); 4287 goto finish; 4288 } 4289 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 4290 eop = nextout; 4291 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4292 eop->d_status = d_status; 4293 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4294 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4295 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 4296 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 4297 d_status = TULIP_DSTS_OWNER; 4298 if (++nextout == ri->ri_last) 4299 nextout = ri->ri_first; 4300 } 4301 if (segcnt < map->dm_nsegs) { 4302 eop = nextout; 4303 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4304 eop->d_status = d_status; 4305 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 4306 eop->d_length1 = map->dm_segs[segcnt].ds_len; 4307 eop->d_addr2 = 0; 4308 eop->d_length2 = 0; 4309 if (++nextout == ri->ri_last) 4310 nextout = ri->ri_first; 4311 } 4312 TULIP_TXMAP_PRESYNC(sc, map); 4313 M_SETCTX(m, map); 4314 map = NULL; 4315 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 4316 4317#else /* !TULIP_BUS_DMA */ 4318 4319 do { 4320 int len = m0->m_len; 4321 caddr_t addr = mtod(m0, caddr_t); 4322 unsigned clsize = PAGE_SIZE - (((uintptr_t) addr) & (PAGE_SIZE-1)); 4323 4324 while (len > 0) { 4325 unsigned slen = min(len, clsize); 4326#ifdef BIG_PACKET 4327 int partial = 0; 4328 if (slen >= 2048) 4329 slen = 2040, partial = 1; 4330#endif 4331 segcnt++; 4332 if (segcnt > TULIP_MAX_TXSEG) { 4333 /* 4334 * The packet exceeds the number of transmit buffer 4335 * entries that we can use for one packet, so we have 4336 * recopy it into one mbuf and then try again. 4337 */ 4338 m = tulip_mbuf_compress(m); 4339 if (m == NULL) 4340 goto finish; 4341 goto again; 4342 } 4343 if (segcnt & 1) { 4344 if (--free == 0) { 4345 /* 4346 * See if there's any unclaimed space in the 4347 * transmit ring. 4348 */ 4349 if ((free += tulip_tx_intr(sc)) == 0) { 4350 /* 4351 * There's no more room but since nothing 4352 * has been committed at this point, just 4353 * show output is active, put back the 4354 * mbuf and return. 4355 */ 4356 sc->tulip_flags |= TULIP_WANTTXSTART; 4357#if defined(TULIP_DEBUG) 4358 sc->tulip_dbg.dbg_txput_finishes[1]++; 4359#endif 4360 goto finish; 4361 } 4362 } 4363 eop = nextout; 4364 if (++nextout == ri->ri_last) 4365 nextout = ri->ri_first; 4366 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4367 eop->d_status = d_status; 4368 eop->d_addr1 = TULIP_KVATOPHYS(sc, addr); 4369 eop->d_length1 = slen; 4370 } else { 4371 /* 4372 * Fill in second half of descriptor 4373 */ 4374 eop->d_addr2 = TULIP_KVATOPHYS(sc, addr); 4375 eop->d_length2 = slen; 4376 } 4377 d_status = TULIP_DSTS_OWNER; 4378 len -= slen; 4379 addr += slen; 4380#ifdef BIG_PACKET 4381 if (partial) 4382 continue; 4383#endif 4384 clsize = PAGE_SIZE; 4385 } 4386 } while ((m0 = m0->m_next) != NULL); 4387#endif /* TULIP_BUS_DMA */ 4388 4389 /* 4390 * The descriptors have been filled in. Now get ready 4391 * to transmit. 4392 */ 4393 IF_ENQUEUE(&sc->tulip_txq, m); 4394 m = NULL; 4395 4396 /* 4397 * Make sure the next descriptor after this packet is owned 4398 * by us since it may have been set up above if we ran out 4399 * of room in the ring. 4400 */ 4401 nextout->d_status = 0; 4402 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4403 4404#if !defined(TULIP_BUS_DMA) || defined(TULIP_BUS_DMA_NOTX) 4405 /* 4406 * If we only used the first segment of the last descriptor, 4407 * make sure the second segment will not be used. 4408 */ 4409 if (segcnt & 1) { 4410 eop->d_addr2 = 0; 4411 eop->d_length2 = 0; 4412 } 4413#endif /* TULIP_BUS_DMA */ 4414 4415 /* 4416 * Mark the last and first segments, indicate we want a transmit 4417 * complete interrupt, and tell it to transmit! 4418 */ 4419 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4420 4421 /* 4422 * Note that ri->ri_nextout is still the start of the packet 4423 * and until we set the OWNER bit, we can still back out of 4424 * everything we have done. 4425 */ 4426 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4427#if defined(TULIP_BUS_MAP) && !defined(TULIP_BUS_DMA_NOTX) 4428 if (eop < ri->ri_nextout) { 4429 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4430 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4431 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4432 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4433 } else { 4434 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4435 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4436 } 4437#endif 4438 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4439 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4440 4441 /* 4442 * This advances the ring for us. 4443 */ 4444 ri->ri_nextout = nextout; 4445 ri->ri_free = free; 4446 4447 TULIP_PERFEND(txput); 4448 4449 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4450 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4451 sc->tulip_if.if_flags |= IFF_OACTIVE; 4452 sc->tulip_if.if_start = tulip_ifstart; 4453 TULIP_PERFEND(txput); 4454 return NULL; 4455 } 4456 4457 /* 4458 * switch back to the single queueing ifstart. 4459 */ 4460 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4461 if (sc->tulip_txtimer == 0) 4462 sc->tulip_txtimer = TULIP_TXTIMER; 4463#if defined(TULIP_DEBUG) 4464 sc->tulip_dbg.dbg_txput_finishes[5]++; 4465#endif 4466 4467 /* 4468 * If we want a txstart, there must be not enough space in the 4469 * transmit ring. So we want to enable transmit done interrupts 4470 * so we can immediately reclaim some space. When the transmit 4471 * interrupt is posted, the interrupt handler will call tx_intr 4472 * to reclaim space and then txstart (since WANTTXSTART is set). 4473 * txstart will move the packet into the transmit ring and clear 4474 * WANTTXSTART thereby causing TXINTR to be cleared. 4475 */ 4476 finish: 4477#if defined(TULIP_DEBUG) 4478 sc->tulip_dbg.dbg_txput_finishes[6]++; 4479#endif 4480 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4481 sc->tulip_if.if_flags |= IFF_OACTIVE; 4482 sc->tulip_if.if_start = tulip_ifstart; 4483 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4484 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4485 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4486 } 4487 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4488 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4489 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4490 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4491 } 4492 } 4493 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4494 TULIP_PERFEND(txput); 4495 return m; 4496} 4497 4498static void 4499tulip_txput_setup( 4500 tulip_softc_t * const sc) 4501{ 4502 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4503 tulip_desc_t *nextout; 4504 4505 /* 4506 * We will transmit, at most, one setup packet per call to ifstart. 4507 */ 4508 4509#if defined(TULIP_DEBUG) 4510 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4511 printf("%s%d: txput_setup: tx not running\n", 4512 sc->tulip_name, sc->tulip_unit); 4513 sc->tulip_flags |= TULIP_WANTTXSTART; 4514 sc->tulip_if.if_start = tulip_ifstart; 4515 return; 4516 } 4517#endif 4518 /* 4519 * Try to reclaim some free descriptors.. 4520 */ 4521 if (ri->ri_free < 2) 4522 tulip_tx_intr(sc); 4523 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4524 sc->tulip_flags |= TULIP_WANTTXSTART; 4525 sc->tulip_if.if_start = tulip_ifstart; 4526 return; 4527 } 4528 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4529 sizeof(sc->tulip_setupbuf)); 4530 /* 4531 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4532 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4533 */ 4534 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4535 ri->ri_free--; 4536 nextout = ri->ri_nextout; 4537 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4538 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4539 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4540 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4541 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4542 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4543 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4544 4545 nextout->d_length2 = 0; 4546 nextout->d_addr2 = 0; 4547#if defined(TULIP_BUS_DMA) && !defined(TULIP_BUS_DMA_NOTX) 4548 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4549 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4550 if (sc->tulip_setupmap->dm_nsegs == 2) { 4551 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4552 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4553 } 4554 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4555 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4556#else 4557 nextout->d_length1 = sizeof(sc->tulip_setupbuf); 4558 nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf); 4559#endif 4560 4561 /* 4562 * Advance the ring for the next transmit packet. 4563 */ 4564 if (++ri->ri_nextout == ri->ri_last) 4565 ri->ri_nextout = ri->ri_first; 4566 4567 /* 4568 * Make sure the next descriptor is owned by us since it 4569 * may have been set up above if we ran out of room in the 4570 * ring. 4571 */ 4572 ri->ri_nextout->d_status = 0; 4573 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4574 nextout->d_status = TULIP_DSTS_OWNER; 4575 /* 4576 * Flush the ownwership of the current descriptor 4577 */ 4578 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4579 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4580 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4581 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4582 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4583 } 4584} 4585 4586 4587/* 4588 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4589 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4590 * defined or not. 4591 */ 4592static int 4593tulip_ifioctl( 4594 struct ifnet * ifp, 4595 ioctl_cmd_t cmd, 4596 caddr_t data) 4597{ 4598 TULIP_PERFSTART(ifioctl) 4599 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4600 struct ifaddr *ifa = (struct ifaddr *)data; 4601 struct ifreq *ifr = (struct ifreq *) data; 4602 int s; 4603 int error = 0; 4604 4605#if defined(TULIP_USE_SOFTINTR) 4606 s = splnet(); 4607#else 4608 s = splimp(); 4609#endif 4610 switch (cmd) { 4611 case SIOCSIFADDR: { 4612 ifp->if_flags |= IFF_UP; 4613 switch(ifa->ifa_addr->sa_family) { 4614#ifdef INET 4615 case AF_INET: { 4616 tulip_init(sc); 4617 arp_ifinit(&(sc)->tulip_ac, ifa); 4618 break; 4619 } 4620#endif /* INET */ 4621 4622#ifdef IPX 4623 case AF_IPX: { 4624 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 4625 if (ipx_nullhost(*ina)) { 4626 ina->x_host = *(union ipx_host *)(sc->tulip_enaddr); 4627 } else { 4628 ifp->if_flags &= ~IFF_RUNNING; 4629 bcopy((caddr_t)ina->x_host.c_host, 4630 (caddr_t)sc->tulip_enaddr, 4631 sizeof(sc->tulip_enaddr)); 4632 } 4633 tulip_init(sc); 4634 break; 4635 } 4636#endif /* IPX */ 4637 4638#ifdef NS 4639 /* 4640 * This magic copied from if_is.c; I don't use XNS, 4641 * so I have no way of telling if this actually 4642 * works or not. 4643 */ 4644 case AF_NS: { 4645 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4646 if (ns_nullhost(*ina)) { 4647 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4648 } else { 4649 ifp->if_flags &= ~IFF_RUNNING; 4650 bcopy((caddr_t)ina->x_host.c_host, 4651 (caddr_t)sc->tulip_enaddr, 4652 sizeof(sc->tulip_enaddr)); 4653 } 4654 tulip_init(sc); 4655 break; 4656 } 4657#endif /* NS */ 4658 4659 default: { 4660 tulip_init(sc); 4661 break; 4662 } 4663 } 4664 break; 4665 } 4666 case SIOCGIFADDR: { 4667 bcopy((caddr_t) sc->tulip_enaddr, 4668 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4669 6); 4670 break; 4671 } 4672 4673 case SIOCSIFFLAGS: { 4674 tulip_addr_filter(sc); /* reinit multicast filter */ 4675 tulip_init(sc); 4676 break; 4677 } 4678 4679 case SIOCSIFMEDIA: 4680 case SIOCGIFMEDIA: { 4681 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4682 break; 4683 } 4684 4685 case SIOCADDMULTI: 4686 case SIOCDELMULTI: { 4687 /* 4688 * Update multicast listeners 4689 */ 4690 tulip_addr_filter(sc); /* reset multicast filtering */ 4691 tulip_init(sc); 4692 error = 0; 4693 break; 4694 } 4695 4696 case SIOCSIFMTU: 4697 /* 4698 * Set the interface MTU. 4699 */ 4700 if (ifr->ifr_mtu > ETHERMTU 4701#ifdef BIG_PACKET 4702 && sc->tulip_chipid != TULIP_21140 4703 && sc->tulip_chipid != TULIP_21140A 4704 && sc->tulip_chipid != TULIP_21041 4705#endif 4706 ) { 4707 error = EINVAL; 4708 break; 4709 } 4710 ifp->if_mtu = ifr->ifr_mtu; 4711#ifdef BIG_PACKET 4712 tulip_reset(sc); 4713 tulip_init(sc); 4714#endif 4715 break; 4716 4717#ifdef SIOCGADDRROM 4718 case SIOCGADDRROM: { 4719 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4720 break; 4721 } 4722#endif 4723#ifdef SIOCGCHIPID 4724 case SIOCGCHIPID: { 4725 ifr->ifr_metric = (int) sc->tulip_chipid; 4726 break; 4727 } 4728#endif 4729 default: { 4730 error = EINVAL; 4731 break; 4732 } 4733 } 4734 4735 splx(s); 4736 TULIP_PERFEND(ifioctl); 4737 return error; 4738} 4739 4740/* 4741 * These routines gets called at device spl (from ether_output). This might 4742 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4743 * device spl from another driver. 4744 */ 4745 4746static ifnet_ret_t 4747tulip_ifstart( 4748 struct ifnet * const ifp) 4749{ 4750 TULIP_PERFSTART(ifstart) 4751 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4752 4753 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4754 4755 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4756 tulip_txput_setup(sc); 4757 4758 while (sc->tulip_if.if_snd.ifq_head != NULL) { 4759 struct mbuf *m; 4760 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4761 if ((m = tulip_txput(sc, m)) != NULL) { 4762 IF_PREPEND(&sc->tulip_if.if_snd, m); 4763 break; 4764 } 4765 } 4766 if (sc->tulip_if.if_snd.ifq_head == NULL) 4767 sc->tulip_if.if_start = tulip_ifstart_one; 4768 } 4769 4770 TULIP_PERFEND(ifstart); 4771} 4772 4773static ifnet_ret_t 4774tulip_ifstart_one( 4775 struct ifnet * const ifp) 4776{ 4777 TULIP_PERFSTART(ifstart_one) 4778 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4779 4780 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4781 && sc->tulip_if.if_snd.ifq_head != NULL) { 4782 struct mbuf *m; 4783 IF_DEQUEUE(&sc->tulip_if.if_snd, m); 4784 if ((m = tulip_txput(sc, m)) != NULL) 4785 IF_PREPEND(&sc->tulip_if.if_snd, m); 4786 } 4787 TULIP_PERFEND(ifstart_one); 4788} 4789 4790/* 4791 * Even though this routine runs at device spl, it does not break 4792 * our use of splnet (splsoftnet under NetBSD) for the majority 4793 * of this driver (if TULIP_USE_SOFTINTR defined) since 4794 * if_watcbog is called from if_watchdog which is called from 4795 * splsoftclock which is below spl[soft]net. 4796 */ 4797static void 4798tulip_ifwatchdog( 4799 struct ifnet *ifp) 4800{ 4801 TULIP_PERFSTART(ifwatchdog) 4802 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4803 4804#if defined(TULIP_DEBUG) 4805 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4806 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4807 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4808 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4809#endif /* TULIP_DEBUG */ 4810 4811 sc->tulip_if.if_timer = 1; 4812 /* 4813 * These should be rare so do a bulk test up front so we can just skip 4814 * them if needed. 4815 */ 4816 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4817 /* 4818 * If the number of receive buffer is low, try to refill 4819 */ 4820 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4821 tulip_rx_intr(sc); 4822 4823 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4824 printf("%s%d: %d system errors: last was %s\n", 4825 sc->tulip_name, sc->tulip_unit, sc->tulip_system_errors, 4826 tulip_system_errors[sc->tulip_last_system_error]); 4827 } 4828 if (sc->tulip_statusbits) { 4829 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4830 sc->tulip_statusbits = 0; 4831 } 4832 4833 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4834 } 4835 4836 if (sc->tulip_txtimer) 4837 tulip_tx_intr(sc); 4838 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4839 printf("%s%d: transmission timeout\n", sc->tulip_name, sc->tulip_unit); 4840 if (TULIP_DO_AUTOSENSE(sc)) { 4841 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4842 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4843 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4844 } 4845 tulip_reset(sc); 4846 tulip_init(sc); 4847 } 4848 4849 TULIP_PERFEND(ifwatchdog); 4850 TULIP_PERFMERGE(sc, perf_intr_cycles); 4851 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4852 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4853 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4854 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4855 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4856 TULIP_PERFMERGE(sc, perf_txput_cycles); 4857 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4858 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4859 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4860 TULIP_PERFMERGE(sc, perf_intr); 4861 TULIP_PERFMERGE(sc, perf_ifstart); 4862 TULIP_PERFMERGE(sc, perf_ifioctl); 4863 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4864 TULIP_PERFMERGE(sc, perf_timeout); 4865 TULIP_PERFMERGE(sc, perf_ifstart_one); 4866 TULIP_PERFMERGE(sc, perf_txput); 4867 TULIP_PERFMERGE(sc, perf_txintr); 4868 TULIP_PERFMERGE(sc, perf_rxintr); 4869 TULIP_PERFMERGE(sc, perf_rxget); 4870} 4871 4872/* 4873 * All printf's are real as of now! 4874 */ 4875#ifdef printf 4876#undef printf 4877#endif 4878 4879static void 4880tulip_attach( 4881 tulip_softc_t * const sc) 4882{ 4883 struct ifnet * const ifp = &sc->tulip_if; 4884 4885 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4886 ifp->if_ioctl = tulip_ifioctl; 4887 ifp->if_start = tulip_ifstart; 4888 ifp->if_watchdog = tulip_ifwatchdog; 4889 ifp->if_timer = 1; 4890 ifp->if_output = ether_output; 4891 4892 printf("%s%d: %s%s pass %d.%d%s\n", 4893 sc->tulip_name, sc->tulip_unit, 4894 sc->tulip_boardid, 4895 tulip_chipdescs[sc->tulip_chipid], 4896 (sc->tulip_revinfo & 0xF0) >> 4, 4897 sc->tulip_revinfo & 0x0F, 4898 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4899 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4900 printf("%s%d: address %6D\n", 4901 sc->tulip_name, sc->tulip_unit, sc->tulip_enaddr, ":"); 4902 4903#if defined(__alpha__) 4904 /* 4905 * In case the SRM console told us about a bogus media, 4906 * we need to check to be safe. 4907 */ 4908 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4909 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4910#endif 4911 4912 (*sc->tulip_boardsw->bd_media_probe)(sc); 4913 ifmedia_init(&sc->tulip_ifmedia, 0, 4914 tulip_ifmedia_change, 4915 tulip_ifmedia_status); 4916 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4917 tulip_ifmedia_add(sc); 4918 4919 tulip_reset(sc); 4920 4921 if_attach(ifp); 4922 ifp->if_snd.ifq_maxlen = ifqmaxlen; 4923 ether_ifattach(&(sc)->tulip_if); 4924 4925#if NBPF > 0 4926 bpfattach(&sc->tulip_if, DLT_EN10MB, sizeof(struct ether_header)); 4927#endif 4928} 4929 4930#if defined(TULIP_BUS_DMA) 4931#if !defined(TULIP_BUS_DMA_NOTX) || !defined(TULIP_BUS_DMA_NORX) 4932static int 4933tulip_busdma_allocmem( 4934 tulip_softc_t * const sc, 4935 size_t size, 4936 bus_dmamap_t *map_p, 4937 tulip_desc_t **desc_p) 4938{ 4939 bus_dma_segment_t segs[1]; 4940 int nsegs, error; 4941 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4942 segs, sizeof(segs)/sizeof(segs[0]), 4943 &nsegs, BUS_DMA_NOWAIT); 4944 if (error == 0) { 4945 void *desc; 4946 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4947 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4948 if (error == 0) { 4949 bus_dmamap_t map; 4950 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4951 BUS_DMA_NOWAIT, &map); 4952 if (error == 0) { 4953 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4954 size, NULL, BUS_DMA_NOWAIT); 4955 if (error) 4956 bus_dmamap_destroy(sc->tulip_dmatag, map); 4957 else 4958 *map_p = map; 4959 } 4960 if (error) 4961 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4962 } 4963 if (error) 4964 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4965 else 4966 *desc_p = desc; 4967 } 4968 return error; 4969} 4970#endif 4971 4972static int 4973tulip_busdma_init( 4974 tulip_softc_t * const sc) 4975{ 4976 int error = 0; 4977 4978#if !defined(TULIP_BUS_DMA_NOTX) 4979 /* 4980 * Allocate dmamap for setup descriptor 4981 */ 4982 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4983 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4984 &sc->tulip_setupmap); 4985 if (error == 0) { 4986 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4987 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4988 NULL, BUS_DMA_NOWAIT); 4989 if (error) 4990 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4991 } 4992 /* 4993 * Allocate space and dmamap for transmit ring 4994 */ 4995 if (error == 0) { 4996 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4997 &sc->tulip_txdescmap, 4998 &sc->tulip_txdescs); 4999 } 5000 5001 /* 5002 * Allocate dmamaps for each transmit descriptors 5003 */ 5004 if (error == 0) { 5005 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 5006 bus_dmamap_t map; 5007 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 5008 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 5009 } 5010 if (error) { 5011 while (sc->tulip_txmaps_free > 0) 5012 bus_dmamap_destroy(sc->tulip_dmatag, 5013 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 5014 } 5015 } 5016#else 5017 if (error == 0) { 5018 sc->tulip_txdescs = (tulip_desc_t *) malloc(TULIP_TXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5019 if (sc->tulip_txdescs == NULL) 5020 error = ENOMEM; 5021 } 5022#endif 5023#if !defined(TULIP_BUS_DMA_NORX) 5024 /* 5025 * Allocate space and dmamap for receive ring 5026 */ 5027 if (error == 0) { 5028 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 5029 &sc->tulip_rxdescmap, 5030 &sc->tulip_rxdescs); 5031 } 5032 5033 /* 5034 * Allocate dmamaps for each receive descriptors 5035 */ 5036 if (error == 0) { 5037 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 5038 bus_dmamap_t map; 5039 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 5040 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 5041 } 5042 if (error) { 5043 while (sc->tulip_rxmaps_free > 0) 5044 bus_dmamap_destroy(sc->tulip_dmatag, 5045 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 5046 } 5047 } 5048#else 5049 if (error == 0) { 5050 sc->tulip_rxdescs = (tulip_desc_t *) malloc(TULIP_RXDESCS * sizeof(tulip_desc_t), M_DEVBUF, M_NOWAIT); 5051 if (sc->tulip_rxdescs == NULL) 5052 error = ENOMEM; 5053 } 5054#endif 5055 return error; 5056} 5057#endif /* TULIP_BUS_DMA */ 5058 5059static void 5060tulip_initcsrs( 5061 tulip_softc_t * const sc, 5062 tulip_csrptr_t csr_base, 5063 size_t csr_size) 5064{ 5065 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 5066 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 5067 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 5068 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 5069 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 5070 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 5071 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 5072 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 5073 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 5074 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 5075 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 5076 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 5077 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 5078 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 5079 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 5080 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 5081#if defined(TULIP_EISA) 5082 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 5083#endif 5084} 5085 5086static void 5087tulip_initring( 5088 tulip_softc_t * const sc, 5089 tulip_ringinfo_t * const ri, 5090 tulip_desc_t *descs, 5091 int ndescs) 5092{ 5093 ri->ri_max = ndescs; 5094 ri->ri_first = descs; 5095 ri->ri_last = ri->ri_first + ri->ri_max; 5096 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 5097 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 5098} 5099 5100/* 5101 * This is the PCI configuration support. Since the 21040 is available 5102 * on both EISA and PCI boards, one must be careful in how defines the 5103 * 21040 in the config file. 5104 */ 5105 5106#define PCI_CFID 0x00 /* Configuration ID */ 5107#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 5108#define PCI_CFRV 0x08 /* Configuration Revision */ 5109#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 5110#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 5111#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 5112#define PCI_CFIT 0x3c /* Configuration Interrupt */ 5113#define PCI_CFDA 0x40 /* Configuration Driver Area */ 5114 5115#if defined(TULIP_EISA) 5116static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 5117#endif 5118 5119static const char* 5120tulip_pci_probe( 5121 pcici_t config_id, 5122 pcidi_t device_id) 5123{ 5124 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5125 return NULL; 5126 if (PCI_CHIPID(device_id) == CHIPID_21040) 5127 return "Digital 21040 Ethernet"; 5128 if (PCI_CHIPID(device_id) == CHIPID_21041) 5129 return "Digital 21041 Ethernet"; 5130 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5131 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5132 if (revinfo >= 0x20) 5133 return "Digital 21140A Fast Ethernet"; 5134 else 5135 return "Digital 21140 Fast Ethernet"; 5136 } 5137 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5138 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5139 if (revinfo >= 0x20) 5140 return "Digital 21143 Fast Ethernet"; 5141 else 5142 return "Digital 21142 Fast Ethernet"; 5143 } 5144 return NULL; 5145} 5146 5147static void tulip_pci_attach(pcici_t config_id, int unit); 5148static u_long tulip_pci_count; 5149 5150static struct pci_device dedevice = { 5151 "de", 5152 tulip_pci_probe, 5153 tulip_pci_attach, 5154 &tulip_pci_count, 5155}; 5156 5157COMPAT_PCI_DRIVER(de, dedevice); 5158 5159static void 5160tulip_shutdown(int howto, void *arg) 5161{ 5162 tulip_softc_t * const sc = arg; 5163 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5164 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5165 33MHz that comes to two microseconds but wait a 5166 bit longer anyways) */ 5167} 5168 5169static void 5170tulip_pci_attach(pcici_t config_id, int unit) 5171{ 5172 tulip_softc_t *sc; 5173#if defined(__alpha__) 5174 tulip_media_t media = TULIP_MEDIA_UNKNOWN; 5175#endif 5176 int retval, idx; 5177 u_int32_t revinfo, cfdainfo, id; 5178#if !defined(TULIP_IOMAPPED) 5179 vm_offset_t pa_csrs; 5180#endif 5181 unsigned csroffset = TULIP_PCI_CSROFFSET; 5182 unsigned csrsize = TULIP_PCI_CSRSIZE; 5183 tulip_csrptr_t csr_base; 5184 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5185 5186 if (unit >= TULIP_MAX_DEVICES) { 5187 printf("de%d", unit); 5188 printf(": not configured; limit of %d reached or exceeded\n", 5189 TULIP_MAX_DEVICES); 5190 return; 5191 } 5192 5193 revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5194 id = pci_conf_read(config_id, PCI_CFID); 5195 cfdainfo = pci_conf_read(config_id, PCI_CFDA); 5196 5197 if (PCI_VENDORID(id) == DEC_VENDORID) { 5198 if (PCI_CHIPID(id) == CHIPID_21040) 5199 chipid = TULIP_21040; 5200 else if (PCI_CHIPID(id) == CHIPID_21041) 5201 chipid = TULIP_21041; 5202 else if (PCI_CHIPID(id) == CHIPID_21140) 5203 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5204 else if (PCI_CHIPID(id) == CHIPID_21142) 5205 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5206 } 5207 if (chipid == TULIP_CHIPID_UNKNOWN) 5208 return; 5209 5210 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5211 printf("de%d", unit); 5212 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5213 revinfo >> 4, revinfo & 0x0f); 5214 return; 5215 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5216 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5217 unit, revinfo >> 4, revinfo & 0x0f); 5218 return; 5219 } 5220 5221 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5222 if (sc == NULL) 5223 return; 5224 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5225 5226 sc->tulip_pci_busno = config_id->bus; 5227 sc->tulip_pci_devno = config_id->slot; 5228 sc->tulip_chipid = chipid; 5229 sc->tulip_flags |= TULIP_DEVICEPROBE; 5230 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5231 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5232 if (chipid == TULIP_21140A && revinfo <= 0x22) 5233 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5234 if (chipid == TULIP_21140) 5235 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5236 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5237 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5238 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5239 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5240 if (chipid != TULIP_21041 || revinfo >= 0x20) 5241 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5242 if (chipid != TULIP_21041) 5243 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5244 if (chipid != TULIP_21041 && revinfo >= 0x20) 5245 sc->tulip_features |= TULIP_HAVE_SIA100; 5246 } 5247 5248 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5249 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5250 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5251 pci_conf_write(config_id, PCI_CFDA, cfdainfo); 5252 DELAY(11*1000); 5253 } 5254#if defined(__alpha__) 5255 /* 5256 * The Alpha SRM console encodes a console set media in the driver 5257 * part of the CFDA register. Note that the Multia presents a 5258 * problem in that its BNC mode is really EXTSIA. So in that case 5259 * force a probe. 5260 */ 5261 switch ((cfdainfo >> 8) & 0xff) { 5262 case 1: media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5263 case 2: media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5264 case 3: media = TULIP_MEDIA_10BASET; break; 5265 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5266 case 5: media = TULIP_MEDIA_100BASETX; break; 5267 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5268 default: media = TULIP_MEDIA_UNKNOWN; break; 5269 } 5270#endif 5271 5272 sc->tulip_unit = unit; 5273 sc->tulip_name = "de"; 5274 sc->tulip_revinfo = revinfo; 5275 sc->tulip_if.if_softc = sc; 5276#if defined(TULIP_IOMAPPED) 5277 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5278#else 5279 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5280#endif 5281 if (!retval) { 5282 free((caddr_t) sc, M_DEVBUF); 5283 return; 5284 } 5285 tulips[unit] = sc; 5286 5287 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5288 5289#if defined(TULIP_BUS_DMA) 5290 if ((retval = tulip_busdma_init(sc)) != 0) { 5291 printf("error initing bus_dma: %d\n", retval); 5292 return; 5293 } 5294#else 5295 sc->tulip_rxdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_RXDESCS, M_DEVBUF, M_NOWAIT); 5296 sc->tulip_txdescs = (tulip_desc_t *) malloc(sizeof(tulip_desc_t) * TULIP_TXDESCS, M_DEVBUF, M_NOWAIT); 5297 if (sc->tulip_rxdescs == NULL || sc->tulip_txdescs == NULL) { 5298 printf("malloc failed\n"); 5299 if (sc->tulip_rxdescs) 5300 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5301 if (sc->tulip_txdescs) 5302 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5303 free((caddr_t) sc, M_DEVBUF); 5304 return; 5305 } 5306#endif 5307 5308 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5309 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5310 5311 /* 5312 * Make sure there won't be any interrupts or such... 5313 */ 5314 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5315 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5316 33MHz that comes to two microseconds but wait a 5317 bit longer anyways) */ 5318 5319 if ((retval = tulip_read_macaddr(sc)) < 0) { 5320 printf("%s%d", sc->tulip_name, sc->tulip_unit); 5321 printf(": can't read ENET ROM (why=%d) (", retval); 5322 for (idx = 0; idx < 32; idx++) 5323 printf("%02x", sc->tulip_rombuf[idx]); 5324 printf("\n"); 5325 printf("%s%d: %s%s pass %d.%d\n", 5326 sc->tulip_name, sc->tulip_unit, 5327 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5328 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5329 printf("%s%d: address unknown\n", sc->tulip_name, sc->tulip_unit); 5330 } else { 5331 int s; 5332 void (*intr_rtn)(void *) = tulip_intr_normal; 5333 5334 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5335 intr_rtn = tulip_intr_shared; 5336 5337 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5338 if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) { 5339 printf("%s%d: couldn't map interrupt\n", 5340 sc->tulip_name, sc->tulip_unit); 5341 free((caddr_t) sc->tulip_rxdescs, M_DEVBUF); 5342 free((caddr_t) sc->tulip_txdescs, M_DEVBUF); 5343 free((caddr_t) sc, M_DEVBUF); 5344 return; 5345 } 5346 } 5347 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5348#if defined(TULIP_USE_SOFTINTR) 5349 if (sc->tulip_unit > tulip_softintr_max_unit) 5350 tulip_softintr_max_unit = sc->tulip_unit; 5351#endif 5352 5353 s = splimp(); 5354#if defined(__alpha__) 5355 sc->tulip_media = media; 5356#endif 5357 tulip_attach(sc); 5358#if defined(__alpha__) 5359 if (sc->tulip_media != TULIP_MEDIA_UNKNOWN) 5360 tulip_linkup(sc, media); 5361#endif 5362 splx(s); 5363 } 5364} 5365