1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2/*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28/* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38#include <sys/cdefs.h> 39__FBSDID("$FreeBSD$"); 40 41#define TULIP_HDR_DATA 42 43#ifndef __HAIKU__ 44/* We have no such header in Haiku's compat layer 45 but nothing of it is required anyway here. */ 46#include "opt_ddb.h" 47#endif 48 49#include <sys/param.h> 50#include <sys/systm.h> 51#include <sys/endian.h> 52#include <sys/ktr.h> 53#include <sys/mbuf.h> 54#include <sys/socket.h> 55#include <sys/sockio.h> 56#include <sys/malloc.h> 57#include <sys/kernel.h> 58#include <sys/module.h> 59#include <sys/eventhandler.h> 60#include <machine/bus.h> 61#include <machine/bus_dma.h> 62#include <machine/resource.h> 63#include <sys/bus.h> 64#include <sys/rman.h> 65 66#include <net/if.h> 67#include <net/if_arp.h> 68#include <net/ethernet.h> 69#include <net/if_media.h> 70#include <net/if_types.h> 71#include <net/if_dl.h> 72 73#include <net/bpf.h> 74 75#ifdef INET 76#include <netinet/in.h> 77#include <netinet/if_ether.h> 78#endif 79 80#include <vm/vm.h> 81 82#include <net/if_var.h> 83#include <vm/pmap.h> 84#include <dev/pci/pcivar.h> 85#include <dev/pci/pcireg.h> 86#include <dev/de/dc21040reg.h> 87 88#ifdef DDB 89#include <ddb/ddb.h> 90#endif 91 92/* 93 * Intel CPUs should use I/O mapped access. 94 */ 95#if defined(__i386__) 96#define TULIP_IOMAPPED 97#endif 98 99#if 0 100/* This enables KTR traces at KTR_DEV. */ 101#define KTR_TULIP KTR_DEV 102#else 103#define KTR_TULIP 0 104#endif 105 106#if 0 107/* 108 * This turns on all sort of debugging stuff and make the 109 * driver much larger. 110 */ 111#define TULIP_DEBUG 112#endif 113 114#if 0 115#define TULIP_PERFSTATS 116#endif 117 118#define TULIP_HZ 10 119 120#include <dev/de/if_devar.h> 121 122#define SYNC_NONE 0 123#define SYNC_RX 1 124#define SYNC_TX 2 125 126/* 127 * This module supports 128 * the DEC 21040 PCI Ethernet Controller. 129 * the DEC 21041 PCI Ethernet Controller. 130 * the DEC 21140 PCI Fast Ethernet Controller. 131 */ 132static void tulip_addr_filter(tulip_softc_t * const sc); 133static int tulip_ifmedia_change(struct ifnet * const ifp); 134static void tulip_ifmedia_status(struct ifnet * const ifp, 135 struct ifmediareq *req); 136static void tulip_init(void *); 137static void tulip_init_locked(tulip_softc_t * const sc); 138static void tulip_intr_shared(void *arg); 139static void tulip_intr_normal(void *arg); 140static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 141 const unsigned phyaddr); 142static int tulip_mii_map_abilities(tulip_softc_t * const sc, 143 unsigned abilities); 144static tulip_media_t 145 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 146static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 147 unsigned regno); 148static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 149 unsigned regno, unsigned data); 150static void tulip_reset(tulip_softc_t * const sc); 151static void tulip_rx_intr(tulip_softc_t * const sc); 152static int tulip_srom_decode(tulip_softc_t * const sc); 153static void tulip_start(struct ifnet *ifp); 154static void tulip_start_locked(tulip_softc_t * const sc); 155static struct mbuf * 156 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 157static void tulip_txput_setup(tulip_softc_t * const sc); 158static void tulip_watchdog(void *arg); 159struct mbuf * tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 160 int sync); 161static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 162static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 163 bus_size_t, int); 164 165static void 166tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 167{ 168 bus_addr_t *paddr; 169 170 if (error) 171 return; 172 173 paddr = arg; 174 *paddr = segs->ds_addr; 175} 176 177static void 178tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 179 bus_size_t mapsize, int error) 180{ 181 tulip_desc_t *desc; 182 183 if (error) 184 return; 185 186 desc = arg; 187 KASSERT(nseg == 1, ("too many DMA segments")); 188 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 189 190 desc->d_addr1 = segs[0].ds_addr & 0xffffffff; 191 desc->d_length1 = TULIP_RX_BUFLEN; 192#ifdef not_needed 193 /* These should already always be zero. */ 194 desc->d_addr2 = 0; 195 desc->d_length2 = 0; 196#endif 197} 198 199struct mbuf * 200tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 201{ 202 struct mbuf *m; 203 204 m = di->di_mbuf; 205 if (m != NULL) { 206 switch (sync) { 207 case SYNC_NONE: 208 break; 209 case SYNC_RX: 210 TULIP_RXMAP_POSTSYNC(ri, di); 211 break; 212 case SYNC_TX: 213 TULIP_TXMAP_POSTSYNC(ri, di); 214 break; 215 default: 216 panic("bad sync flag: %d", sync); 217 } 218 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 219 di->di_mbuf = NULL; 220 } 221 return (m); 222} 223 224static void 225tulip_timeout_callback(void *arg) 226{ 227 tulip_softc_t * const sc = arg; 228 229 TULIP_PERFSTART(timeout) 230 TULIP_LOCK_ASSERT(sc); 231 232 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 233 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 234 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 235 236 TULIP_PERFEND(timeout); 237} 238 239static void 240tulip_timeout(tulip_softc_t * const sc) 241{ 242 TULIP_LOCK_ASSERT(sc); 243 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 244 return; 245 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 246 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 247 tulip_timeout_callback, sc); 248} 249 250static int 251tulip_txprobe(tulip_softc_t * const sc) 252{ 253 struct mbuf *m; 254 u_char *enaddr; 255 256 /* 257 * Before we are sure this is the right media we need 258 * to send a small packet to make sure there's carrier. 259 * Strangely, BNC and AUI will "see" receive data if 260 * either is connected so the transmit is the only way 261 * to verify the connectivity. 262 */ 263 TULIP_LOCK_ASSERT(sc); 264 MGETHDR(m, M_DONTWAIT, MT_DATA); 265 if (m == NULL) 266 return 0; 267 /* 268 * Construct a LLC TEST message which will point to ourselves. 269 */ 270 if (sc->tulip_ifp->if_input != NULL) 271 enaddr = IF_LLADDR(sc->tulip_ifp); 272 else 273 enaddr = sc->tulip_enaddr; 274 bcopy(enaddr, mtod(m, struct ether_header *)->ether_dhost, ETHER_ADDR_LEN); 275 bcopy(enaddr, mtod(m, struct ether_header *)->ether_shost, ETHER_ADDR_LEN); 276 mtod(m, struct ether_header *)->ether_type = htons(3); 277 mtod(m, unsigned char *)[14] = 0; 278 mtod(m, unsigned char *)[15] = 0; 279 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 280 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 281 /* 282 * send it! 283 */ 284 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 285 sc->tulip_intrmask |= TULIP_STS_TXINTR; 286 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 287 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 288 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 289 if ((m = tulip_txput(sc, m)) != NULL) 290 m_freem(m); 291 sc->tulip_probe.probe_txprobes++; 292 return 1; 293} 294 295static void 296tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 297{ 298 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 299 300 TULIP_LOCK_ASSERT(sc); 301 if (mi == NULL) 302 return; 303 304 /* 305 * If we are switching media, make sure we don't think there's 306 * any stale RX activity 307 */ 308 sc->tulip_flags &= ~TULIP_RXACT; 309 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 310 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 311 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 312 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 313 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 314 DELAY(50); 315 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 316 } else { 317 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 318 } 319 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 320 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 321#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 322 /* 323 * If the cmdmode bits don't match the currently operating mode, 324 * set the cmdmode appropriately and reset the chip. 325 */ 326 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 327 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 328 sc->tulip_cmdmode |= mi->mi_cmdmode; 329 tulip_reset(sc); 330 } 331 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 332 DELAY(10); 333 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 334 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 335 /* 336 * If the cmdmode bits don't match the currently operating mode, 337 * set the cmdmode appropriately and reset the chip. 338 */ 339 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 340 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 341 sc->tulip_cmdmode |= mi->mi_cmdmode; 342 tulip_reset(sc); 343 } 344 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 345 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 346 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 347 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 348 int idx; 349 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 350 const u_int8_t *dp; 351 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 352 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 353 DELAY(10); 354 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 355 } 356 sc->tulip_phyaddr = mi->mi_phyaddr; 357 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 358 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 359 DELAY(10); 360 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 361 } 362 } else { 363 for (idx = 0; idx < mi->mi_reset_length; idx++) { 364 DELAY(10); 365 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 366 } 367 sc->tulip_phyaddr = mi->mi_phyaddr; 368 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 369 DELAY(10); 370 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 371 } 372 } 373 if (sc->tulip_flags & TULIP_TRYNWAY) { 374 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 375 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 376 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 377 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 378 sc->tulip_flags &= ~TULIP_DIDNWAY; 379 if (TULIP_IS_MEDIA_FD(media)) 380 data |= PHYCTL_FULL_DUPLEX; 381 if (TULIP_IS_MEDIA_100MB(media)) 382 data |= PHYCTL_SELECT_100MB; 383 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 384 } 385 } 386} 387 388static void 389tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 390{ 391 TULIP_LOCK_ASSERT(sc); 392 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 393 sc->tulip_flags |= TULIP_PRINTLINKUP; 394 sc->tulip_flags |= TULIP_LINKUP; 395 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 396#if 0 /* XXX how does with work with ifmedia? */ 397 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 398 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) { 399 if (TULIP_CAN_MEDIA_FD(media) 400 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 401 media = TULIP_FD_MEDIA_OF(media); 402 } else { 403 if (TULIP_IS_MEDIA_FD(media) 404 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 405 media = TULIP_HD_MEDIA_OF(media); 406 } 407 } 408#endif 409 if (sc->tulip_media != media) { 410#ifdef TULIP_DEBUG 411 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 412#endif 413 sc->tulip_media = media; 414 sc->tulip_flags |= TULIP_PRINTMEDIA; 415 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 416 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 417 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 418 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 419 } 420 } 421 /* 422 * We could set probe_timeout to 0 but setting to 3000 puts this 423 * in one central place and the only matters is tulip_link is 424 * followed by a tulip_timeout. Therefore setting it should not 425 * result in aberrant behavour. 426 */ 427 sc->tulip_probe_timeout = 3000; 428 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 429 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 430 if (sc->tulip_flags & TULIP_INRESET) { 431 tulip_media_set(sc, sc->tulip_media); 432 } else if (sc->tulip_probe_media != sc->tulip_media) { 433 /* 434 * No reason to change media if we have the right media. 435 */ 436 tulip_reset(sc); 437 } 438 tulip_init_locked(sc); 439} 440 441static void 442tulip_media_print(tulip_softc_t * const sc) 443{ 444 445 TULIP_LOCK_ASSERT(sc); 446 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 447 return; 448 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 449 device_printf(sc->tulip_dev, "enabling %s port\n", 450 tulip_mediums[sc->tulip_media]); 451 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 452 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 453 device_printf(sc->tulip_dev, "link up\n"); 454 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 455 } 456} 457 458#if defined(TULIP_DO_GPR_SENSE) 459static tulip_media_t 460tulip_21140_gpr_media_sense(tulip_softc_t * const sc) 461{ 462 struct ifnet *ifp sc->tulip_ifp; 463 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 464 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 465 tulip_media_t media; 466 467 TULIP_LOCK_ASSERT(sc); 468 469 /* 470 * If one of the media blocks contained a default media flag, 471 * use that. 472 */ 473 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 474 const tulip_media_info_t *mi; 475 /* 476 * Media is not supported (or is full-duplex). 477 */ 478 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 479 continue; 480 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 481 continue; 482 483 /* 484 * Remember the media is this is the "default" media. 485 */ 486 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 487 maybe_media = media; 488 489 /* 490 * No activity mask? Can't see if it is active if there's no mask. 491 */ 492 if (mi->mi_actmask == 0) 493 continue; 494 495 /* 496 * Does the activity data match? 497 */ 498 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 499 continue; 500 501#if defined(TULIP_DEBUG) 502 device_printf(sc->tulip_dev, "%s: %s: 0x%02x & 0x%02x == 0x%02x\n", 503 __func__, tulip_mediums[media], TULIP_CSR_READ(sc, csr_gp) & 0xFF, 504 mi->mi_actmask, mi->mi_actdata); 505#endif 506 /* 507 * It does! If this is the first media we detected, then 508 * remember this media. If isn't the first, then there were 509 * multiple matches which we equate to no match (since we don't 510 * which to select (if any). 511 */ 512 if (last_media == TULIP_MEDIA_UNKNOWN) { 513 last_media = media; 514 } else if (last_media != media) { 515 last_media = TULIP_MEDIA_UNKNOWN; 516 } 517 } 518 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 519} 520#endif /* TULIP_DO_GPR_SENSE */ 521 522static tulip_link_status_t 523tulip_media_link_monitor(tulip_softc_t * const sc) 524{ 525 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 526 tulip_link_status_t linkup = TULIP_LINK_DOWN; 527 528 TULIP_LOCK_ASSERT(sc); 529 if (mi == NULL) { 530#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 531 panic("tulip_media_link_monitor: %s: botch at line %d\n", 532 tulip_mediums[sc->tulip_media],__LINE__); 533#else 534 return TULIP_LINK_UNKNOWN; 535#endif 536 } 537 538 539 /* 540 * Have we seen some packets? If so, the link must be good. 541 */ 542 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 543 sc->tulip_flags &= ~TULIP_RXACT; 544 sc->tulip_probe_timeout = 3000; 545 return TULIP_LINK_UP; 546 } 547 548 sc->tulip_flags &= ~TULIP_RXACT; 549 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 550 u_int32_t status; 551 /* 552 * Read the PHY status register. 553 */ 554 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 555 if (status & PHYSTS_AUTONEG_DONE) { 556 /* 557 * If the PHY has completed autonegotiation, see the if the 558 * remote systems abilities have changed. If so, upgrade or 559 * downgrade as appropriate. 560 */ 561 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 562 abilities = (abilities << 6) & status; 563 if (abilities != sc->tulip_abilities) { 564#if defined(TULIP_DEBUG) 565 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 566 ifp->if_xname, sc->tulip_phyaddr, 567 sc->tulip_abilities, abilities); 568#endif 569 if (tulip_mii_map_abilities(sc, abilities)) { 570 tulip_linkup(sc, sc->tulip_probe_media); 571 return TULIP_LINK_UP; 572 } 573 /* 574 * if we had selected media because of autonegotiation, 575 * we need to probe for the new media. 576 */ 577 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 578 if (sc->tulip_flags & TULIP_DIDNWAY) 579 return TULIP_LINK_DOWN; 580 } 581 } 582 /* 583 * The link is now up. If was down, say its back up. 584 */ 585 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 586 linkup = TULIP_LINK_UP; 587 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 588 /* 589 * No activity sensor? Assume all's well. 590 */ 591 if (mi->mi_actmask == 0) 592 return TULIP_LINK_UNKNOWN; 593 /* 594 * Does the activity data match? 595 */ 596 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 597 linkup = TULIP_LINK_UP; 598 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 599 /* 600 * Assume non TP ok for now. 601 */ 602 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 603 return TULIP_LINK_UNKNOWN; 604 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 605 linkup = TULIP_LINK_UP; 606#if defined(TULIP_DEBUG) 607 if (sc->tulip_probe_timeout <= 0) 608 device_printf(sc->tulip_dev, "sia status = 0x%08x\n", 609 TULIP_CSR_READ(sc, csr_sia_status)); 610#endif 611 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 612 return TULIP_LINK_UNKNOWN; 613 } 614 /* 615 * We will wait for 3 seconds until the link goes into suspect mode. 616 */ 617 if (sc->tulip_flags & TULIP_LINKUP) { 618 if (linkup == TULIP_LINK_UP) 619 sc->tulip_probe_timeout = 3000; 620 if (sc->tulip_probe_timeout > 0) 621 return TULIP_LINK_UP; 622 623 sc->tulip_flags &= ~TULIP_LINKUP; 624 device_printf(sc->tulip_dev, "link down: cable problem?\n"); 625 } 626#if defined(TULIP_DEBUG) 627 sc->tulip_dbg.dbg_link_downed++; 628#endif 629 return TULIP_LINK_DOWN; 630} 631 632static void 633tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 634{ 635 636 TULIP_LOCK_ASSERT(sc); 637#if defined(TULIP_DEBUG) 638 sc->tulip_dbg.dbg_events[event]++; 639#endif 640 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 641 && event == TULIP_MEDIAPOLL_TIMER) { 642 switch (tulip_media_link_monitor(sc)) { 643 case TULIP_LINK_DOWN: { 644 /* 645 * Link Monitor failed. Probe for new media. 646 */ 647 event = TULIP_MEDIAPOLL_LINKFAIL; 648 break; 649 } 650 case TULIP_LINK_UP: { 651 /* 652 * Check again soon. 653 */ 654 tulip_timeout(sc); 655 return; 656 } 657 case TULIP_LINK_UNKNOWN: { 658 /* 659 * We can't tell so don't bother. 660 */ 661 return; 662 } 663 } 664 } 665 666 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 667 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 668 if (TULIP_DO_AUTOSENSE(sc)) { 669#if defined(TULIP_DEBUG) 670 sc->tulip_dbg.dbg_link_failures++; 671#endif 672 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 673 if (sc->tulip_ifp->if_flags & IFF_UP) 674 tulip_reset(sc); /* restart probe */ 675 } 676 return; 677 } 678#if defined(TULIP_DEBUG) 679 sc->tulip_dbg.dbg_link_pollintrs++; 680#endif 681 } 682 683 if (event == TULIP_MEDIAPOLL_START) { 684 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 685 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 686 return; 687 sc->tulip_probe_mediamask = 0; 688 sc->tulip_probe_passes = 0; 689#if defined(TULIP_DEBUG) 690 sc->tulip_dbg.dbg_media_probes++; 691#endif 692 /* 693 * If the SROM contained an explicit media to use, use it. 694 */ 695 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 696 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 697 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 698 /* 699 * connidx is defaulted to a media_unknown type. 700 */ 701 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 702 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 703 tulip_linkup(sc, sc->tulip_probe_media); 704 tulip_timeout(sc); 705 return; 706 } 707 708 if (sc->tulip_features & TULIP_HAVE_GPR) { 709 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 710 sc->tulip_probe_timeout = 2000; 711 } else { 712 sc->tulip_probe_media = TULIP_MEDIA_MAX; 713 sc->tulip_probe_timeout = 0; 714 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 715 } 716 } 717 718 /* 719 * Ignore txprobe failures or spurious callbacks. 720 */ 721 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 722 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 723 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 724 return; 725 } 726 727 /* 728 * If we really transmitted a packet, then that's the media we'll use. 729 */ 730 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 731 if (event == TULIP_MEDIAPOLL_LINKPASS) { 732 /* XXX Check media status just to be sure */ 733 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 734#if defined(TULIP_DEBUG) 735 } else { 736 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 737#endif 738 } 739 tulip_linkup(sc, sc->tulip_probe_media); 740 tulip_timeout(sc); 741 return; 742 } 743 744 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 745#if defined(TULIP_DO_GPR_SENSE) 746 /* 747 * Check for media via the general purpose register. 748 * 749 * Try to sense the media via the GPR. If the same value 750 * occurs 3 times in a row then just use that. 751 */ 752 if (sc->tulip_probe_timeout > 0) { 753 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 754#if defined(TULIP_DEBUG) 755 device_printf(sc->tulip_dev, "%s: gpr sensing = %s\n", __func__, 756 tulip_mediums[new_probe_media]); 757#endif 758 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 759 if (new_probe_media == sc->tulip_probe_media) { 760 if (--sc->tulip_probe_count == 0) 761 tulip_linkup(sc, sc->tulip_probe_media); 762 } else { 763 sc->tulip_probe_count = 10; 764 } 765 } 766 sc->tulip_probe_media = new_probe_media; 767 tulip_timeout(sc); 768 return; 769 } 770#endif /* TULIP_DO_GPR_SENSE */ 771 /* 772 * Brute force. We cycle through each of the media types 773 * and try to transmit a packet. 774 */ 775 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 776 sc->tulip_probe_media = TULIP_MEDIA_MAX; 777 sc->tulip_probe_timeout = 0; 778 tulip_timeout(sc); 779 return; 780 } 781 782 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 783 && (sc->tulip_features & TULIP_HAVE_MII)) { 784 tulip_media_t old_media = sc->tulip_probe_media; 785 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 786 switch (sc->tulip_probe_state) { 787 case TULIP_PROBE_FAILED: 788 case TULIP_PROBE_MEDIATEST: { 789 /* 790 * Try the next media. 791 */ 792 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 793 sc->tulip_probe_timeout = 0; 794#ifdef notyet 795 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 796 break; 797 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 798 break; 799 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 800#endif 801 break; 802 } 803 case TULIP_PROBE_PHYAUTONEG: { 804 return; 805 } 806 case TULIP_PROBE_INACTIVE: { 807 /* 808 * Only probe if we autonegotiated a media that hasn't failed. 809 */ 810 sc->tulip_probe_timeout = 0; 811 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 812 sc->tulip_probe_media = old_media; 813 break; 814 } 815 tulip_linkup(sc, sc->tulip_probe_media); 816 tulip_timeout(sc); 817 return; 818 } 819 default: { 820#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 821 panic("tulip_media_poll: botch at line %d\n", __LINE__); 822#endif 823 break; 824 } 825 } 826 } 827 828 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 829#if defined(TULIP_DEBUG) 830 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 831#endif 832 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 833 return; 834 } 835 836 /* 837 * switch to another media if we tried this one enough. 838 */ 839 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 840#if defined(TULIP_DEBUG) 841 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 842 device_printf(sc->tulip_dev, "poll media unknown!\n"); 843 sc->tulip_probe_media = TULIP_MEDIA_MAX; 844 } 845#endif 846 /* 847 * Find the next media type to check for. Full Duplex 848 * types are not allowed. 849 */ 850 do { 851 sc->tulip_probe_media -= 1; 852 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 853 if (++sc->tulip_probe_passes == 3) { 854 device_printf(sc->tulip_dev, 855 "autosense failed: cable problem?\n"); 856 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 857 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 858 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 859 return; 860 } 861 } 862 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 863 sc->tulip_probe_mediamask = 0; 864 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 865 } 866 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 867 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 868 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 869 870#if defined(TULIP_DEBUG) 871 device_printf(sc->tulip_dev, "%s: probing %s\n", 872 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 873 tulip_mediums[sc->tulip_probe_media]); 874#endif 875 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 876 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 877 sc->tulip_probe.probe_txprobes = 0; 878 tulip_reset(sc); 879 tulip_media_set(sc, sc->tulip_probe_media); 880 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 881 } 882 tulip_timeout(sc); 883 884 /* 885 * If this is hanging off a phy, we know are doing NWAY and we have 886 * forced the phy to a specific speed. Wait for link up before 887 * before sending a packet. 888 */ 889 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 890 case TULIP_MEDIAINFO_MII: { 891 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 892 return; 893 break; 894 } 895 case TULIP_MEDIAINFO_SIA: { 896 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 897 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 898 return; 899 tulip_linkup(sc, sc->tulip_probe_media); 900#ifdef notyet 901 if (sc->tulip_features & TULIP_HAVE_MII) 902 tulip_timeout(sc); 903#endif 904 return; 905 } 906 break; 907 } 908 case TULIP_MEDIAINFO_RESET: 909 case TULIP_MEDIAINFO_SYM: 910 case TULIP_MEDIAINFO_NONE: 911 case TULIP_MEDIAINFO_GPR: { 912 break; 913 } 914 } 915 /* 916 * Try to send a packet. 917 */ 918 tulip_txprobe(sc); 919} 920 921static void 922tulip_media_select(tulip_softc_t * const sc) 923{ 924 TULIP_LOCK_ASSERT(sc); 925 if (sc->tulip_features & TULIP_HAVE_GPR) { 926 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 927 DELAY(10); 928 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 929 } 930 /* 931 * If this board has no media, just return 932 */ 933 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 934 return; 935 936 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 937 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 938 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 939 } else { 940 tulip_media_set(sc, sc->tulip_media); 941 } 942} 943 944static void 945tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 946{ 947 TULIP_LOCK_ASSERT(sc); 948 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 949 |TULIP_CMD_BACKOFFCTR; 950 sc->tulip_ifp->if_baudrate = 10000000; 951 952 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 953 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 954 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 955 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 956 } 957 958 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 959 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 960 } 961 962 if (media == TULIP_MEDIA_UNKNOWN) { 963 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 964 } 965} 966 967static void 968tulip_21040_media_probe(tulip_softc_t * const sc) 969{ 970 TULIP_LOCK_ASSERT(sc); 971 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 972 return; 973} 974 975static void 976tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 977{ 978 TULIP_LOCK_ASSERT(sc); 979 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 980 tulip_media_set(sc, TULIP_MEDIA_10BASET); 981 sc->tulip_media = TULIP_MEDIA_10BASET; 982} 983 984static void 985tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 986{ 987 TULIP_LOCK_ASSERT(sc); 988 sc->tulip_flags |= TULIP_LINKUP; 989 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 990 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 991 sc->tulip_flags &= ~TULIP_SQETEST; 992 } else { 993 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 994 sc->tulip_flags |= TULIP_SQETEST; 995 } 996 tulip_media_set(sc, sc->tulip_media); 997} 998 999static void 1000tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 1001{ 1002 TULIP_LOCK_ASSERT(sc); 1003 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1004 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1005 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1006 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1007} 1008 1009static void 1010tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 1011{ 1012 TULIP_LOCK_ASSERT(sc); 1013 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1014 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1015} 1016 1017static const tulip_boardsw_t tulip_21040_boardsw = { 1018 TULIP_21040_GENERIC, 1019 tulip_21040_media_probe, 1020 tulip_media_select, 1021 tulip_media_poll, 1022}; 1023 1024static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1025 TULIP_21040_GENERIC, 1026 tulip_21040_10baset_only_media_probe, 1027 tulip_21040_10baset_only_media_select, 1028 NULL, 1029}; 1030 1031static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1032 TULIP_21040_GENERIC, 1033 tulip_21040_auibnc_only_media_probe, 1034 tulip_21040_auibnc_only_media_select, 1035 NULL, 1036}; 1037 1038static void 1039tulip_21041_mediainfo_init(tulip_softc_t * const sc) 1040{ 1041 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1042 1043 TULIP_LOCK_ASSERT(sc); 1044#ifdef notyet 1045 if (sc->tulip_revinfo >= 0x20) { 1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1047 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1048 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1049 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1050 return; 1051 } 1052#endif 1053 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1054 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1055 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1056 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1057} 1058 1059static void 1060tulip_21041_media_probe(tulip_softc_t * const sc) 1061{ 1062 TULIP_LOCK_ASSERT(sc); 1063 sc->tulip_ifp->if_baudrate = 10000000; 1064 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1065 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1066 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1067 tulip_21041_mediainfo_init(sc); 1068} 1069 1070static void 1071tulip_21041_media_poll(tulip_softc_t * const sc, 1072 const tulip_mediapoll_event_t event) 1073{ 1074 u_int32_t sia_status; 1075 1076 TULIP_LOCK_ASSERT(sc); 1077#if defined(TULIP_DEBUG) 1078 sc->tulip_dbg.dbg_events[event]++; 1079#endif 1080 1081 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1082 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1083 || !TULIP_DO_AUTOSENSE(sc)) 1084 return; 1085 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1086 tulip_reset(sc); /* start probe */ 1087 return; 1088 } 1089 1090 /* 1091 * If we've been been asked to start a poll or link change interrupt 1092 * restart the probe (and reset the tulip to a known state). 1093 */ 1094 if (event == TULIP_MEDIAPOLL_START) { 1095 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1096 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1097#ifdef notyet 1098 if (sc->tulip_revinfo >= 0x20) { 1099 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1100 sc->tulip_flags |= TULIP_DIDNWAY; 1101 } 1102#endif 1103 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1104 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1105 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1106 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1107 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1108 tulip_timeout(sc); 1109 return; 1110 } 1111 1112 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1113 return; 1114 1115 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1116#if defined(TULIP_DEBUG) 1117 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1118#endif 1119 tulip_linkup(sc, sc->tulip_probe_media); 1120 return; 1121 } 1122 1123 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1124 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1125 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1126 if (sc->tulip_revinfo >= 0x20) { 1127 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1128 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1129 } 1130 /* 1131 * If the link has passed LinkPass, 10baseT is the 1132 * proper media to use. 1133 */ 1134 tulip_linkup(sc, sc->tulip_probe_media); 1135 return; 1136 } 1137 1138 /* 1139 * wait for up to 2.4 seconds for the link to reach pass state. 1140 * Only then start scanning the other media for activity. 1141 * choose media with receive activity over those without. 1142 */ 1143 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1144 if (event != TULIP_MEDIAPOLL_TIMER) 1145 return; 1146 if (sc->tulip_probe_timeout > 0 1147 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1148 tulip_timeout(sc); 1149 return; 1150 } 1151 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1152 sc->tulip_flags |= TULIP_WANTRXACT; 1153 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1154 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1155 } else { 1156 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1157 } 1158 tulip_media_set(sc, sc->tulip_probe_media); 1159 tulip_timeout(sc); 1160 return; 1161 } 1162 1163 /* 1164 * If we failed, clear the txprobe active flag. 1165 */ 1166 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1167 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1168 1169 1170 if (event == TULIP_MEDIAPOLL_TIMER) { 1171 /* 1172 * If we've received something, then that's our link! 1173 */ 1174 if (sc->tulip_flags & TULIP_RXACT) { 1175 tulip_linkup(sc, sc->tulip_probe_media); 1176 return; 1177 } 1178 /* 1179 * if no txprobe active 1180 */ 1181 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1182 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1183 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1184 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1185 tulip_txprobe(sc); 1186 tulip_timeout(sc); 1187 return; 1188 } 1189 /* 1190 * Take 2 passes through before deciding to not 1191 * wait for receive activity. Then take another 1192 * two passes before spitting out a warning. 1193 */ 1194 if (sc->tulip_probe_timeout <= 0) { 1195 if (sc->tulip_flags & TULIP_WANTRXACT) { 1196 sc->tulip_flags &= ~TULIP_WANTRXACT; 1197 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1198 } else { 1199 device_printf(sc->tulip_dev, 1200 "autosense failed: cable problem?\n"); 1201 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 1202 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1203 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1204 return; 1205 } 1206 } 1207 } 1208 } 1209 1210 /* 1211 * Since this media failed to probe, try the other one. 1212 */ 1213 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1214 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1215 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1216 } else { 1217 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1218 } 1219 tulip_media_set(sc, sc->tulip_probe_media); 1220 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1221 tulip_timeout(sc); 1222} 1223 1224static const tulip_boardsw_t tulip_21041_boardsw = { 1225 TULIP_21041_GENERIC, 1226 tulip_21041_media_probe, 1227 tulip_media_select, 1228 tulip_21041_media_poll 1229}; 1230 1231static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1232 { 0x20005c00, 0, /* 08-00-17 */ 1233 { 1234 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1235 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1236 }, 1237#if defined(TULIP_DEBUG) 1238 "NS DP83840", 1239#endif 1240 }, 1241 { 0x0281F400, 0, /* 00-A0-7D */ 1242 { 1243 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1244 { }, /* 100TX */ 1245 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1246 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1247 }, 1248#if defined(TULIP_DEBUG) 1249 "Seeq 80C240" 1250#endif 1251 }, 1252#if 0 1253 { 0x0015F420, 0, /* 00-A0-7D */ 1254 { 1255 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1256 { }, /* 100TX */ 1257 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1258 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1259 }, 1260#if defined(TULIP_DEBUG) 1261 "Broadcom BCM5000" 1262#endif 1263 }, 1264#endif 1265 { 0x0281F400, 0, /* 00-A0-BE */ 1266 { 1267 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1268 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1269 { }, /* 100T4 */ 1270 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1271 }, 1272#if defined(TULIP_DEBUG) 1273 "ICS 1890" 1274#endif 1275 }, 1276 { 0 } 1277}; 1278 1279static tulip_media_t 1280tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1281{ 1282 const tulip_phy_attr_t *attr; 1283 u_int16_t data; 1284 u_int32_t id; 1285 unsigned idx = 0; 1286 static const tulip_media_t table[] = { 1287 TULIP_MEDIA_UNKNOWN, 1288 TULIP_MEDIA_10BASET, 1289 TULIP_MEDIA_100BASETX, 1290 TULIP_MEDIA_100BASET4, 1291 TULIP_MEDIA_UNKNOWN, 1292 TULIP_MEDIA_10BASET_FD, 1293 TULIP_MEDIA_100BASETX_FD, 1294 TULIP_MEDIA_UNKNOWN 1295 }; 1296 1297 TULIP_LOCK_ASSERT(sc); 1298 1299 /* 1300 * Don't read phy specific registers if link is not up. 1301 */ 1302 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1303 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1304 return TULIP_MEDIA_UNKNOWN; 1305 1306 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1307 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1308 for (attr = tulip_mii_phy_attrlist;; attr++) { 1309 if (attr->attr_id == 0) 1310 return TULIP_MEDIA_UNKNOWN; 1311 if ((id & ~0x0F) == attr->attr_id) 1312 break; 1313 } 1314 1315 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1316 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1317 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1318 if ((data & pm->pm_mask) == pm->pm_value) 1319 idx = 2; 1320 } 1321 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1322 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1323 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1324 if ((data & pm->pm_mask) == pm->pm_value) 1325 idx = 3; 1326 } 1327 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1328 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1329 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1330 if ((data & pm->pm_mask) == pm->pm_value) 1331 idx = 1; 1332 } 1333 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1334 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1335 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1336 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1337 } 1338 return table[idx]; 1339} 1340 1341static unsigned 1342tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1343{ 1344 unsigned phyaddr; 1345 1346 TULIP_LOCK_ASSERT(sc); 1347 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1348 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1349 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1350 continue; 1351 if (offset == 0) 1352 return phyaddr; 1353 offset--; 1354 } 1355 if (offset == 0) { 1356 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1357 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1358 return TULIP_MII_NOPHY; 1359 return 0; 1360 } 1361 return TULIP_MII_NOPHY; 1362} 1363 1364static int 1365tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1366{ 1367 TULIP_LOCK_ASSERT(sc); 1368 sc->tulip_abilities = abilities; 1369 if (abilities & PHYSTS_100BASETX_FD) { 1370 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1371 } else if (abilities & PHYSTS_100BASET4) { 1372 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1373 } else if (abilities & PHYSTS_100BASETX) { 1374 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1375 } else if (abilities & PHYSTS_10BASET_FD) { 1376 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1377 } else if (abilities & PHYSTS_10BASET) { 1378 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1379 } else { 1380 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1381 return 0; 1382 } 1383 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1384 return 1; 1385} 1386 1387static void 1388tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1389{ 1390 struct ifnet *ifp = sc->tulip_ifp; 1391 1392 TULIP_LOCK_ASSERT(sc); 1393 switch (sc->tulip_probe_state) { 1394 case TULIP_PROBE_MEDIATEST: 1395 case TULIP_PROBE_INACTIVE: { 1396 sc->tulip_flags |= TULIP_DIDNWAY; 1397 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1398 sc->tulip_probe_timeout = 3000; 1399 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1400 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1401 } 1402 /* FALLTHROUGH */ 1403 case TULIP_PROBE_PHYRESET: { 1404 u_int32_t status; 1405 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1406 if (data & PHYCTL_RESET) { 1407 if (sc->tulip_probe_timeout > 0) { 1408 tulip_timeout(sc); 1409 return; 1410 } 1411 printf("%s(phy%d): error: reset of PHY never completed!\n", 1412 ifp->if_xname, phyaddr); 1413 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1414 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1415 sc->tulip_ifp->if_flags &= ~IFF_UP; 1416 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1417 return; 1418 } 1419 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1420 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1421#if defined(TULIP_DEBUG) 1422 loudprintf("%s(phy%d): autonegotiation disabled\n", 1423 ifp->if_xname, phyaddr); 1424#endif 1425 sc->tulip_flags &= ~TULIP_DIDNWAY; 1426 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1427 return; 1428 } 1429 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1430 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1431 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1432 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1433#if defined(TULIP_DEBUG) 1434 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1435 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1436 ifp->if_xname, phyaddr, data); 1437 else 1438 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1439 ifp->if_xname, phyaddr, data); 1440 sc->tulip_dbg.dbg_nway_starts++; 1441#endif 1442 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1443 sc->tulip_probe_timeout = 3000; 1444 } 1445 /* FALLTHROUGH */ 1446 case TULIP_PROBE_PHYAUTONEG: { 1447 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1448 u_int32_t data; 1449 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1450 if (sc->tulip_probe_timeout > 0) { 1451 tulip_timeout(sc); 1452 return; 1453 } 1454#if defined(TULIP_DEBUG) 1455 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1456 ifp->if_xname, phyaddr, status, 1457 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1458#endif 1459 sc->tulip_flags &= ~TULIP_DIDNWAY; 1460 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1461 return; 1462 } 1463 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1464#if defined(TULIP_DEBUG) 1465 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1466 ifp->if_xname, phyaddr, data); 1467#endif 1468 data = (data << 6) & status; 1469 if (!tulip_mii_map_abilities(sc, data)) 1470 sc->tulip_flags &= ~TULIP_DIDNWAY; 1471 return; 1472 } 1473 default: { 1474#if defined(DIAGNOSTIC) 1475 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1476#endif 1477 break; 1478 } 1479 } 1480#if defined(TULIP_DEBUG) 1481 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1482 ifp->if_xname, phyaddr, sc->tulip_probe_state); 1483 sc->tulip_dbg.dbg_nway_failures++; 1484#endif 1485} 1486 1487static void 1488tulip_2114x_media_preset(tulip_softc_t * const sc) 1489{ 1490 const tulip_media_info_t *mi = NULL; 1491 tulip_media_t media = sc->tulip_media; 1492 1493 TULIP_LOCK_ASSERT(sc); 1494 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1495 media = sc->tulip_media; 1496 else 1497 media = sc->tulip_probe_media; 1498 1499 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1500 sc->tulip_flags &= ~TULIP_SQETEST; 1501 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1502#if defined(TULIP_DEBUG) 1503 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1504#endif 1505 mi = sc->tulip_mediums[media]; 1506 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1507 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1508 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1509 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1510 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1511 sc->tulip_cmdmode |= mi->mi_cmdmode; 1512 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1513 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1514 } 1515#if defined(TULIP_DEBUG) 1516 } else { 1517 device_printf(sc->tulip_dev, "preset: bad media %d!\n", media); 1518 } 1519#endif 1520 } 1521 switch (media) { 1522 case TULIP_MEDIA_BNC: 1523 case TULIP_MEDIA_AUI: 1524 case TULIP_MEDIA_10BASET: { 1525 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1526 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1527 sc->tulip_ifp->if_baudrate = 10000000; 1528 sc->tulip_flags |= TULIP_SQETEST; 1529 break; 1530 } 1531 case TULIP_MEDIA_10BASET_FD: { 1532 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1533 sc->tulip_ifp->if_baudrate = 10000000; 1534 break; 1535 } 1536 case TULIP_MEDIA_100BASEFX: 1537 case TULIP_MEDIA_100BASET4: 1538 case TULIP_MEDIA_100BASETX: { 1539 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1540 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1541 sc->tulip_ifp->if_baudrate = 100000000; 1542 break; 1543 } 1544 case TULIP_MEDIA_100BASEFX_FD: 1545 case TULIP_MEDIA_100BASETX_FD: { 1546 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1547 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1548 sc->tulip_ifp->if_baudrate = 100000000; 1549 break; 1550 } 1551 default: { 1552 break; 1553 } 1554 } 1555 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1556} 1557 1558/* 1559 ******************************************************************** 1560 * Start of 21140/21140A support which does not use the MII interface 1561 */ 1562 1563static void 1564tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1565{ 1566#if defined(TULIP_DEBUG) 1567 sc->tulip_dbg.dbg_events[event]++; 1568#endif 1569#if defined(DIAGNOSTIC) 1570 device_printf(sc->tulip_dev, "botch(media_poll) at line %d\n", __LINE__); 1571#endif 1572} 1573 1574__inline static void 1575tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1576 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1577{ 1578 TULIP_LOCK_ASSERT(sc); 1579 sc->tulip_mediums[media] = mip; 1580 mip->mi_type = TULIP_MEDIAINFO_GPR; 1581 mip->mi_cmdmode = cmdmode; 1582 mip->mi_gpdata = gpdata; 1583} 1584 1585static void 1586tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1587{ 1588 tulip_media_info_t *mip = sc->tulip_mediainfo; 1589 1590 TULIP_LOCK_ASSERT(sc); 1591 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1592 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1593 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1594 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1595 TULIP_CSR_WRITE(sc, csr_command, 1596 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1597 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1598 TULIP_CSR_WRITE(sc, csr_command, 1599 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1600 DELAY(1000000); 1601 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1602 sc->tulip_media = TULIP_MEDIA_10BASET; 1603 } else { 1604 sc->tulip_media = TULIP_MEDIA_100BASETX; 1605 } 1606 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1607 TULIP_GP_EB_INIT, 1608 TULIP_CMD_TXTHRSHLDCTL); 1609 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1610 TULIP_GP_EB_INIT, 1611 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1612 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1613 TULIP_GP_EB_INIT, 1614 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1615 |TULIP_CMD_SCRAMBLER); 1616 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1617 TULIP_GP_EB_INIT, 1618 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1619 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1620} 1621 1622static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1623 TULIP_21140_DEC_EB, 1624 tulip_21140_evalboard_media_probe, 1625 tulip_media_select, 1626 tulip_null_media_poll, 1627 tulip_2114x_media_preset, 1628}; 1629 1630static void 1631tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1632{ 1633 tulip_media_info_t *mip = sc->tulip_mediainfo; 1634 unsigned gpdata; 1635 1636 TULIP_LOCK_ASSERT(sc); 1637 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1638 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1639 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1640 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1641 TULIP_CSR_WRITE(sc, csr_command, 1642 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1643 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1644 TULIP_CSR_WRITE(sc, csr_command, 1645 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1646 DELAY(1000000); 1647 gpdata = TULIP_CSR_READ(sc, csr_gp); 1648 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1649 sc->tulip_media = TULIP_MEDIA_10BASET; 1650 } else { 1651 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1652 sc->tulip_media = TULIP_MEDIA_BNC; 1653 } else { 1654 sc->tulip_media = TULIP_MEDIA_100BASETX; 1655 } 1656 } 1657 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1658 TULIP_GP_EN1207_BNC_INIT, 1659 TULIP_CMD_TXTHRSHLDCTL); 1660 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1661 TULIP_GP_EN1207_UTP_INIT, 1662 TULIP_CMD_TXTHRSHLDCTL); 1663 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1664 TULIP_GP_EN1207_UTP_INIT, 1665 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1666 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1667 TULIP_GP_EN1207_100_INIT, 1668 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1669 |TULIP_CMD_SCRAMBLER); 1670 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1671 TULIP_GP_EN1207_100_INIT, 1672 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1673 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1674} 1675 1676static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1677 TULIP_21140_EN1207, 1678 tulip_21140_accton_media_probe, 1679 tulip_media_select, 1680 tulip_null_media_poll, 1681 tulip_2114x_media_preset, 1682}; 1683 1684static void 1685tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1686{ 1687 tulip_media_info_t *mip = sc->tulip_mediainfo; 1688 int idx, cnt = 0; 1689 1690 TULIP_LOCK_ASSERT(sc); 1691 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1692 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1693 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1694 33MHz that comes to two microseconds but wait a 1695 bit longer anyways) */ 1696 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1697 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1698 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1699 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1700 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1701 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1702 DELAY(200000); 1703 for (idx = 1000; idx > 0; idx--) { 1704 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1705 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1706 if (++cnt > 100) 1707 break; 1708 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1709 break; 1710 } else { 1711 cnt = 0; 1712 } 1713 DELAY(1000); 1714 } 1715 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1716 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1717 TULIP_GP_SMC_9332_INIT, 1718 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1719 |TULIP_CMD_SCRAMBLER); 1720 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1721 TULIP_GP_SMC_9332_INIT, 1722 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1723 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1724 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1725 TULIP_GP_SMC_9332_INIT, 1726 TULIP_CMD_TXTHRSHLDCTL); 1727 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1728 TULIP_GP_SMC_9332_INIT, 1729 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1730} 1731 1732static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1733 TULIP_21140_SMC_9332, 1734 tulip_21140_smc9332_media_probe, 1735 tulip_media_select, 1736 tulip_null_media_poll, 1737 tulip_2114x_media_preset, 1738}; 1739 1740static void 1741tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1742{ 1743 tulip_media_info_t *mip = sc->tulip_mediainfo; 1744 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1745 1746 TULIP_LOCK_ASSERT(sc); 1747 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1748 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1749 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1750 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1751 1752 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1753 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1754 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1755 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1756 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1757 1758 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1759 TULIP_GP_EM100_INIT, 1760 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1761 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1762 TULIP_GP_EM100_INIT, 1763 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1764 |TULIP_CMD_FULLDUPLEX); 1765 } else { 1766 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1767 sc->tulip_media = TULIP_MEDIA_100BASETX; 1768 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1769 TULIP_GP_EM100_INIT, 1770 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1771 |TULIP_CMD_SCRAMBLER); 1772 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1773 TULIP_GP_EM100_INIT, 1774 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1775 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1776 } 1777} 1778 1779static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1780 TULIP_21140_COGENT_EM100, 1781 tulip_21140_cogent_em100_media_probe, 1782 tulip_media_select, 1783 tulip_null_media_poll, 1784 tulip_2114x_media_preset 1785}; 1786 1787static void 1788tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1789{ 1790 tulip_media_info_t *mip = sc->tulip_mediainfo; 1791 int cnt10 = 0, cnt100 = 0, idx; 1792 1793 TULIP_LOCK_ASSERT(sc); 1794 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1795 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1796 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1797 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1798 TULIP_CSR_WRITE(sc, csr_command, 1799 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1800 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1801 TULIP_CSR_WRITE(sc, csr_command, 1802 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1803 1804 DELAY(200000); 1805 for (idx = 1000; idx > 0; idx--) { 1806 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1807 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)) { 1808 if (++cnt100 > 100) 1809 break; 1810 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1811 if (++cnt10 > 100) 1812 break; 1813 } else { 1814 cnt10 = 0; 1815 cnt100 = 0; 1816 } 1817 DELAY(1000); 1818 } 1819 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1820 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1821 TULIP_GP_ZX34X_INIT, 1822 TULIP_CMD_TXTHRSHLDCTL); 1823 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1824 TULIP_GP_ZX34X_INIT, 1825 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1826 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1827 TULIP_GP_ZX34X_INIT, 1828 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1829 |TULIP_CMD_SCRAMBLER); 1830 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1831 TULIP_GP_ZX34X_INIT, 1832 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1833 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1834} 1835 1836static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1837 TULIP_21140_ZNYX_ZX34X, 1838 tulip_21140_znyx_zx34x_media_probe, 1839 tulip_media_select, 1840 tulip_null_media_poll, 1841 tulip_2114x_media_preset, 1842}; 1843 1844static void 1845tulip_2114x_media_probe(tulip_softc_t * const sc) 1846{ 1847 TULIP_LOCK_ASSERT(sc); 1848 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1849 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1850} 1851 1852static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1853 TULIP_21140_ISV, 1854 tulip_2114x_media_probe, 1855 tulip_media_select, 1856 tulip_media_poll, 1857 tulip_2114x_media_preset, 1858}; 1859 1860/* 1861 * ******** END of chip-specific handlers. *********** 1862 */ 1863 1864/* 1865 * Code the read the SROM and MII bit streams (I2C) 1866 */ 1867#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1868 1869static void 1870tulip_srom_idle(tulip_softc_t * const sc) 1871{ 1872 unsigned bit, csr; 1873 1874 csr = SROMSEL ; EMIT; 1875 csr = SROMSEL | SROMRD; EMIT; 1876 csr ^= SROMCS; EMIT; 1877 csr ^= SROMCLKON; EMIT; 1878 1879 /* 1880 * Write 25 cycles of 0 which will force the SROM to be idle. 1881 */ 1882 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1883 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1884 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1885 } 1886 csr ^= SROMCLKOFF; EMIT; 1887 csr ^= SROMCS; EMIT; 1888 csr = 0; EMIT; 1889} 1890 1891static void 1892tulip_srom_read(tulip_softc_t * const sc) 1893{ 1894 unsigned idx; 1895 const unsigned bitwidth = SROM_BITWIDTH; 1896 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1897 const unsigned msb = 1 << (bitwidth + 3 - 1); 1898 unsigned lastidx = (1 << bitwidth) - 1; 1899 1900 tulip_srom_idle(sc); 1901 1902 for (idx = 0; idx <= lastidx; idx++) { 1903 unsigned lastbit, data, bits, bit, csr; 1904 csr = SROMSEL ; EMIT; 1905 csr = SROMSEL | SROMRD; EMIT; 1906 csr ^= SROMCSON; EMIT; 1907 csr ^= SROMCLKON; EMIT; 1908 1909 lastbit = 0; 1910 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1911 const unsigned thisbit = bits & msb; 1912 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1913 if (thisbit != lastbit) { 1914 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1915 } else { 1916 EMIT; 1917 } 1918 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1919 lastbit = thisbit; 1920 } 1921 csr ^= SROMCLKOFF; EMIT; 1922 1923 for (data = 0, bits = 0; bits < 16; bits++) { 1924 data <<= 1; 1925 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1926 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1927 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1928 } 1929 sc->tulip_rombuf[idx*2] = data & 0xFF; 1930 sc->tulip_rombuf[idx*2+1] = data >> 8; 1931 csr = SROMSEL | SROMRD; EMIT; 1932 csr = 0; EMIT; 1933 } 1934 tulip_srom_idle(sc); 1935} 1936 1937#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1938 1939static void 1940tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1941{ 1942 unsigned msb = 1 << (bits - 1); 1943 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1944 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1945 1946 TULIP_LOCK_ASSERT(sc); 1947 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1948 1949 for (; bits > 0; bits--, data <<= 1) { 1950 const unsigned thisbit = data & msb; 1951 if (thisbit != lastbit) { 1952 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1953 } 1954 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1955 lastbit = thisbit; 1956 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1957 } 1958} 1959 1960static void 1961tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1962{ 1963 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1964 1965 TULIP_LOCK_ASSERT(sc); 1966 if (cmd == MII_WRCMD) { 1967 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1968 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1969 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1970 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1971 } else { 1972 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1973 } 1974 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1975 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1976} 1977 1978static unsigned 1979tulip_mii_readbits(tulip_softc_t * const sc) 1980{ 1981 unsigned data; 1982 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1983 int idx; 1984 1985 TULIP_LOCK_ASSERT(sc); 1986 for (idx = 0, data = 0; idx < 16; idx++) { 1987 data <<= 1; /* this is NOOP on the first pass through */ 1988 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1989 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1990 data |= 1; 1991 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1992 } 1993 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1994 1995 return data; 1996} 1997 1998static unsigned 1999tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 2000{ 2001 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2002 unsigned data; 2003 2004 TULIP_LOCK_ASSERT(sc); 2005 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2006 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2007 tulip_mii_writebits(sc, MII_RDCMD, 8); 2008 tulip_mii_writebits(sc, devaddr, 5); 2009 tulip_mii_writebits(sc, regno, 5); 2010 tulip_mii_turnaround(sc, MII_RDCMD); 2011 2012 data = tulip_mii_readbits(sc); 2013#if defined(TULIP_DEBUG) 2014 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2015 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2016#endif 2017 return data; 2018} 2019 2020static void 2021tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 2022 unsigned data) 2023{ 2024 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2025 2026 TULIP_LOCK_ASSERT(sc); 2027 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2028 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2029 tulip_mii_writebits(sc, MII_WRCMD, 8); 2030 tulip_mii_writebits(sc, devaddr, 5); 2031 tulip_mii_writebits(sc, regno, 5); 2032 tulip_mii_turnaround(sc, MII_WRCMD); 2033 tulip_mii_writebits(sc, data, 16); 2034#if defined(TULIP_DEBUG) 2035 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2036 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2037#endif 2038} 2039 2040#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2041#define tulip_srom_crcok(databuf) ( \ 2042 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2043 ((databuf)[126] | ((databuf)[127] << 8))) 2044 2045static void 2046tulip_identify_dec_nic(tulip_softc_t * const sc) 2047{ 2048 TULIP_LOCK_ASSERT(sc); 2049 strcpy(sc->tulip_boardid, "DEC "); 2050#define D0 4 2051 if (sc->tulip_chipid <= TULIP_21040) 2052 return; 2053 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2054 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2055 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2056 sc->tulip_boardid[D0+8] = ' '; 2057 } 2058#undef D0 2059} 2060 2061static void 2062tulip_identify_znyx_nic(tulip_softc_t * const sc) 2063{ 2064 unsigned id = 0; 2065 2066 TULIP_LOCK_ASSERT(sc); 2067 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2068 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2069 unsigned znyx_ptr; 2070 sc->tulip_boardid[8] = '4'; 2071 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2072 if (znyx_ptr < 26 || znyx_ptr > 116) { 2073 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2074 return; 2075 } 2076 /* ZX344 = 0010 .. 0013FF 2077 */ 2078 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2079 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2080 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2081 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2082 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2083 sc->tulip_boardid[9] = '2'; 2084 if (id == TULIP_ZNYX_ID_ZX342B) { 2085 sc->tulip_boardid[10] = 'B'; 2086 sc->tulip_boardid[11] = ' '; 2087 } 2088 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2089 } else if (id == TULIP_ZNYX_ID_ZX344) { 2090 sc->tulip_boardid[10] = '4'; 2091 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2092 } else if (id == TULIP_ZNYX_ID_ZX345) { 2093 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2094 } else if (id == TULIP_ZNYX_ID_ZX346) { 2095 sc->tulip_boardid[9] = '6'; 2096 } else if (id == TULIP_ZNYX_ID_ZX351) { 2097 sc->tulip_boardid[8] = '5'; 2098 sc->tulip_boardid[9] = '1'; 2099 } 2100 } 2101 if (id == 0) { 2102 /* 2103 * Assume it's a ZX342... 2104 */ 2105 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2106 } 2107 return; 2108 } 2109 sc->tulip_boardid[8] = '1'; 2110 if (sc->tulip_chipid == TULIP_21041) { 2111 sc->tulip_boardid[10] = '1'; 2112 return; 2113 } 2114 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2115 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2116 if (id == TULIP_ZNYX_ID_ZX312T) { 2117 sc->tulip_boardid[9] = '2'; 2118 sc->tulip_boardid[10] = 'T'; 2119 sc->tulip_boardid[11] = ' '; 2120 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2121 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2122 sc->tulip_boardid[9] = '4'; 2123 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2124 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2125 } else if (id == TULIP_ZNYX_ID_ZX314) { 2126 sc->tulip_boardid[9] = '4'; 2127 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2128 sc->tulip_features |= TULIP_HAVE_BASEROM; 2129 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2130 sc->tulip_boardid[9] = '5'; 2131 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2132 } else if (id == TULIP_ZNYX_ID_ZX315) { 2133 sc->tulip_boardid[9] = '5'; 2134 sc->tulip_features |= TULIP_HAVE_BASEROM; 2135 } else { 2136 id = 0; 2137 } 2138 } 2139 if (id == 0) { 2140 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2141 sc->tulip_boardid[9] = '4'; 2142 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2143 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2144 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2145 sc->tulip_boardid[9] = '5'; 2146 sc->tulip_boardsw = &tulip_21040_boardsw; 2147 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2148 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2149 sc->tulip_boardid[9] = '2'; 2150 sc->tulip_boardsw = &tulip_21040_boardsw; 2151 } 2152 } 2153} 2154 2155static void 2156tulip_identify_smc_nic(tulip_softc_t * const sc) 2157{ 2158 u_int32_t id1, id2, ei; 2159 int auibnc = 0, utp = 0; 2160 char *cp; 2161 2162 TULIP_LOCK_ASSERT(sc); 2163 strcpy(sc->tulip_boardid, "SMC "); 2164 if (sc->tulip_chipid == TULIP_21041) 2165 return; 2166 if (sc->tulip_chipid != TULIP_21040) { 2167 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2168 strcpy(&sc->tulip_boardid[4], "9332DST "); 2169 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2170 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2171 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2172 } else { 2173 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2174 } 2175 return; 2176 } 2177 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2178 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2179 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2180 2181 strcpy(&sc->tulip_boardid[4], "8432"); 2182 cp = &sc->tulip_boardid[8]; 2183 if ((id1 & 1) == 0) 2184 *cp++ = 'B', auibnc = 1; 2185 if ((id1 & 0xFF) > 0x32) 2186 *cp++ = 'T', utp = 1; 2187 if ((id1 & 0x4000) == 0) 2188 *cp++ = 'A', auibnc = 1; 2189 if (id2 == 0x15) { 2190 sc->tulip_boardid[7] = '4'; 2191 *cp++ = '-'; 2192 *cp++ = 'C'; 2193 *cp++ = 'H'; 2194 *cp++ = (ei ? '2' : '1'); 2195 } 2196 *cp++ = ' '; 2197 *cp = '\0'; 2198 if (utp && !auibnc) 2199 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2200 else if (!utp && auibnc) 2201 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2202} 2203 2204static void 2205tulip_identify_cogent_nic(tulip_softc_t * const sc) 2206{ 2207 TULIP_LOCK_ASSERT(sc); 2208 strcpy(sc->tulip_boardid, "Cogent "); 2209 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2210 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2211 strcat(sc->tulip_boardid, "EM100TX "); 2212 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2213#if defined(TULIP_COGENT_EM110TX_ID) 2214 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2215 strcat(sc->tulip_boardid, "EM110TX "); 2216 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2217#endif 2218 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2219 strcat(sc->tulip_boardid, "EM100FX "); 2220 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2221 } 2222 /* 2223 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2224 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2225 */ 2226 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2227 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2228 /* 2229 * Cogent (Adaptec) is still mapping all INTs to INTA of 2230 * first 21140. Dumb! Dumb! 2231 */ 2232 strcat(sc->tulip_boardid, "EM440TX "); 2233 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2234 } 2235 } else if (sc->tulip_chipid == TULIP_21040) { 2236 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2237 } 2238} 2239 2240static void 2241tulip_identify_accton_nic(tulip_softc_t * const sc) 2242{ 2243 TULIP_LOCK_ASSERT(sc); 2244 strcpy(sc->tulip_boardid, "ACCTON "); 2245 switch (sc->tulip_chipid) { 2246 case TULIP_21140A: 2247 strcat(sc->tulip_boardid, "EN1207 "); 2248 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2249 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2250 break; 2251 case TULIP_21140: 2252 strcat(sc->tulip_boardid, "EN1207TX "); 2253 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2254 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2255 break; 2256 case TULIP_21040: 2257 strcat(sc->tulip_boardid, "EN1203 "); 2258 sc->tulip_boardsw = &tulip_21040_boardsw; 2259 break; 2260 case TULIP_21041: 2261 strcat(sc->tulip_boardid, "EN1203 "); 2262 sc->tulip_boardsw = &tulip_21041_boardsw; 2263 break; 2264 default: 2265 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2266 break; 2267 } 2268} 2269 2270static void 2271tulip_identify_asante_nic(tulip_softc_t * const sc) 2272{ 2273 TULIP_LOCK_ASSERT(sc); 2274 strcpy(sc->tulip_boardid, "Asante "); 2275 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2276 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2277 tulip_media_info_t *mi = sc->tulip_mediainfo; 2278 int idx; 2279 /* 2280 * The Asante Fast Ethernet doesn't always ship with a valid 2281 * new format SROM. So if isn't in the new format, we cheat 2282 * set it up as if we had. 2283 */ 2284 2285 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2286 sc->tulip_gpdata = 0; 2287 2288 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2289 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2290 DELAY(100); 2291 TULIP_CSR_WRITE(sc, csr_gp, 0); 2292 2293 mi->mi_type = TULIP_MEDIAINFO_MII; 2294 mi->mi_gpr_length = 0; 2295 mi->mi_gpr_offset = 0; 2296 mi->mi_reset_length = 0; 2297 mi->mi_reset_offset = 0; 2298 2299 mi->mi_phyaddr = TULIP_MII_NOPHY; 2300 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2301 DELAY(10000); 2302 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2303 } 2304 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2305 device_printf(sc->tulip_dev, "can't find phy 0\n"); 2306 return; 2307 } 2308 2309 sc->tulip_features |= TULIP_HAVE_MII; 2310 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2311 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2312 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2313 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2314 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2315 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2316 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2317 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2318 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2319 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2320 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2321 2322 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2323 } 2324} 2325 2326static void 2327tulip_identify_compex_nic(tulip_softc_t * const sc) 2328{ 2329 TULIP_LOCK_ASSERT(sc); 2330 strcpy(sc->tulip_boardid, "COMPEX "); 2331 if (sc->tulip_chipid == TULIP_21140A) { 2332 int root_unit; 2333 tulip_softc_t *root_sc = NULL; 2334 2335 strcat(sc->tulip_boardid, "400TX/PCI "); 2336 /* 2337 * All 4 chips on these boards share an interrupt. This code 2338 * copied from tulip_read_macaddr. 2339 */ 2340 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2341 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2342 root_sc = tulips[root_unit]; 2343 if (root_sc == NULL 2344 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2345 break; 2346 root_sc = NULL; 2347 } 2348 if (root_sc != NULL 2349 && root_sc->tulip_chipid == sc->tulip_chipid 2350 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2351 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2352 sc->tulip_slaves = root_sc->tulip_slaves; 2353 root_sc->tulip_slaves = sc; 2354 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2355 printf("\nCannot find master device for %s interrupts", 2356 sc->tulip_ifp->if_xname); 2357 } 2358 } else { 2359 strcat(sc->tulip_boardid, "unknown "); 2360 } 2361 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2362 return; 2363} 2364 2365static int 2366tulip_srom_decode(tulip_softc_t * const sc) 2367{ 2368 unsigned idx1, idx2, idx3; 2369 2370 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2371 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2372 tulip_srom_media_t srom_media; 2373 tulip_media_info_t *mi = sc->tulip_mediainfo; 2374 const u_int8_t *dp; 2375 u_int32_t leaf_offset, blocks, data; 2376 2377 TULIP_LOCK_ASSERT(sc); 2378 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2379 if (shp->sh_adapter_count == 1) 2380 break; 2381 if (saip->sai_device == sc->tulip_pci_devno) 2382 break; 2383 } 2384 /* 2385 * Didn't find the right media block for this card. 2386 */ 2387 if (idx1 == shp->sh_adapter_count) 2388 return 0; 2389 2390 /* 2391 * Save the hardware address. 2392 */ 2393 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2394 /* 2395 * If this is a multiple port card, add the adapter index to the last 2396 * byte of the hardware address. (if it isn't multiport, adding 0 2397 * won't hurt. 2398 */ 2399 sc->tulip_enaddr[5] += idx1; 2400 2401 leaf_offset = saip->sai_leaf_offset_lowbyte 2402 + saip->sai_leaf_offset_highbyte * 256; 2403 dp = sc->tulip_rombuf + leaf_offset; 2404 2405 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2406 2407 for (idx2 = 0;; idx2++) { 2408 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2409 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2410 break; 2411 } 2412 sc->tulip_connidx = idx2; 2413 2414 if (sc->tulip_chipid == TULIP_21041) { 2415 blocks = *dp++; 2416 for (idx2 = 0; idx2 < blocks; idx2++) { 2417 tulip_media_t media; 2418 data = *dp++; 2419 srom_media = (tulip_srom_media_t) (data & 0x3F); 2420 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2421 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2422 break; 2423 } 2424 media = tulip_srom_mediums[idx3].sm_type; 2425 if (media != TULIP_MEDIA_UNKNOWN) { 2426 if (data & TULIP_SROM_21041_EXTENDED) { 2427 mi->mi_type = TULIP_MEDIAINFO_SIA; 2428 sc->tulip_mediums[media] = mi; 2429 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2430 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2431 mi->mi_sia_general = dp[4] + dp[5] * 256; 2432 mi++; 2433 } else { 2434 switch (media) { 2435 case TULIP_MEDIA_BNC: { 2436 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2437 mi++; 2438 break; 2439 } 2440 case TULIP_MEDIA_AUI: { 2441 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2442 mi++; 2443 break; 2444 } 2445 case TULIP_MEDIA_10BASET: { 2446 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2447 mi++; 2448 break; 2449 } 2450 case TULIP_MEDIA_10BASET_FD: { 2451 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2452 mi++; 2453 break; 2454 } 2455 default: { 2456 break; 2457 } 2458 } 2459 } 2460 } 2461 if (data & TULIP_SROM_21041_EXTENDED) 2462 dp += 6; 2463 } 2464#ifdef notdef 2465 if (blocks == 0) { 2466 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2467 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2468 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2469 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2470 } 2471#endif 2472 } else { 2473 unsigned length, type; 2474 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2475 if (sc->tulip_features & TULIP_HAVE_GPR) 2476 sc->tulip_gpinit = *dp++; 2477 blocks = *dp++; 2478 for (idx2 = 0; idx2 < blocks; idx2++) { 2479 const u_int8_t *ep; 2480 if ((*dp & 0x80) == 0) { 2481 length = 4; 2482 type = 0; 2483 } else { 2484 length = (*dp++ & 0x7f) - 1; 2485 type = *dp++ & 0x3f; 2486 } 2487 ep = dp + length; 2488 switch (type & 0x3f) { 2489 case 0: { /* 21140[A] GPR block */ 2490 tulip_media_t media; 2491 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2492 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2493 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2494 break; 2495 } 2496 media = tulip_srom_mediums[idx3].sm_type; 2497 if (media == TULIP_MEDIA_UNKNOWN) 2498 break; 2499 mi->mi_type = TULIP_MEDIAINFO_GPR; 2500 sc->tulip_mediums[media] = mi; 2501 mi->mi_gpdata = dp[1]; 2502 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2503 sc->tulip_gpdata = mi->mi_gpdata; 2504 gp_media = media; 2505 } 2506 data = dp[2] + dp[3] * 256; 2507 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2508 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2509 mi->mi_actmask = 0; 2510 } else { 2511#if 0 2512 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2513#endif 2514 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2515 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2516 } 2517 mi++; 2518 break; 2519 } 2520 case 1: { /* 21140[A] MII block */ 2521 const unsigned phyno = *dp++; 2522 mi->mi_type = TULIP_MEDIAINFO_MII; 2523 mi->mi_gpr_length = *dp++; 2524 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2525 dp += mi->mi_gpr_length; 2526 mi->mi_reset_length = *dp++; 2527 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2528 dp += mi->mi_reset_length; 2529 2530 /* 2531 * Before we probe for a PHY, use the GPR information 2532 * to select it. If we don't, it may be inaccessible. 2533 */ 2534 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2535 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2536 DELAY(10); 2537 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2538 } 2539 sc->tulip_phyaddr = mi->mi_phyaddr; 2540 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2541 DELAY(10); 2542 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2543 } 2544 2545 /* 2546 * At least write something! 2547 */ 2548 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2549 TULIP_CSR_WRITE(sc, csr_gp, 0); 2550 2551 mi->mi_phyaddr = TULIP_MII_NOPHY; 2552 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2553 DELAY(10000); 2554 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2555 } 2556 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2557#if defined(TULIP_DEBUG) 2558 device_printf(sc->tulip_dev, "can't find phy %d\n", 2559 phyno); 2560#endif 2561 break; 2562 } 2563 sc->tulip_features |= TULIP_HAVE_MII; 2564 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2565 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2566 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2567 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2568 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2569 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2570 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2571 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2572 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2573 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2574 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2575 mi++; 2576 break; 2577 } 2578 case 2: { /* 2114[23] SIA block */ 2579 tulip_media_t media; 2580 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2581 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2582 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2583 break; 2584 } 2585 media = tulip_srom_mediums[idx3].sm_type; 2586 if (media == TULIP_MEDIA_UNKNOWN) 2587 break; 2588 mi->mi_type = TULIP_MEDIAINFO_SIA; 2589 sc->tulip_mediums[media] = mi; 2590 if (dp[0] & 0x40) { 2591 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2592 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2593 mi->mi_sia_general = dp[5] + dp[6] * 256; 2594 dp += 6; 2595 } else { 2596 switch (media) { 2597 case TULIP_MEDIA_BNC: { 2598 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2599 break; 2600 } 2601 case TULIP_MEDIA_AUI: { 2602 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2603 break; 2604 } 2605 case TULIP_MEDIA_10BASET: { 2606 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2607 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2608 break; 2609 } 2610 case TULIP_MEDIA_10BASET_FD: { 2611 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2612 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2613 break; 2614 } 2615 default: { 2616 goto bad_media; 2617 } 2618 } 2619 } 2620 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2621 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2622 mi++; 2623 bad_media: 2624 break; 2625 } 2626 case 3: { /* 2114[23] MII PHY block */ 2627 const unsigned phyno = *dp++; 2628 const u_int8_t *dp0; 2629 mi->mi_type = TULIP_MEDIAINFO_MII; 2630 mi->mi_gpr_length = *dp++; 2631 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2632 dp += 2 * mi->mi_gpr_length; 2633 mi->mi_reset_length = *dp++; 2634 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2635 dp += 2 * mi->mi_reset_length; 2636 2637 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2638 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2639 DELAY(10); 2640 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2641 } 2642 sc->tulip_phyaddr = mi->mi_phyaddr; 2643 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2644 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2645 DELAY(10); 2646 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2647 } 2648 2649 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2650 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2651 2652 mi->mi_phyaddr = TULIP_MII_NOPHY; 2653 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2654 DELAY(10000); 2655 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2656 } 2657 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2658#if defined(TULIP_DEBUG) 2659 device_printf(sc->tulip_dev, "can't find phy %d\n", 2660 phyno); 2661#endif 2662 break; 2663 } 2664 sc->tulip_features |= TULIP_HAVE_MII; 2665 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2666 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2667 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2668 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2669 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2670 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2671 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2672 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2673 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2674 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2675 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2676 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2677 mi++; 2678 break; 2679 } 2680 case 4: { /* 21143 SYM block */ 2681 tulip_media_t media; 2682 srom_media = (tulip_srom_media_t) dp[0]; 2683 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2684 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2685 break; 2686 } 2687 media = tulip_srom_mediums[idx3].sm_type; 2688 if (media == TULIP_MEDIA_UNKNOWN) 2689 break; 2690 mi->mi_type = TULIP_MEDIAINFO_SYM; 2691 sc->tulip_mediums[media] = mi; 2692 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2693 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2694 data = dp[5] + dp[6] * 256; 2695 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2696 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2697 mi->mi_actmask = 0; 2698 } else { 2699 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2700 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2701 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2702 } 2703 if (TULIP_IS_MEDIA_TP(media)) 2704 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2705 mi++; 2706 break; 2707 } 2708#if 0 2709 case 5: { /* 21143 Reset block */ 2710 mi->mi_type = TULIP_MEDIAINFO_RESET; 2711 mi->mi_reset_length = *dp++; 2712 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2713 dp += 2 * mi->mi_reset_length; 2714 mi++; 2715 break; 2716 } 2717#endif 2718 default: { 2719 } 2720 } 2721 dp = ep; 2722 } 2723 } 2724 return mi - sc->tulip_mediainfo; 2725} 2726 2727static const struct { 2728 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2729 unsigned char vendor_oui[3]; 2730} tulip_vendors[] = { 2731 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2732 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2733 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2734 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2735 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2736 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2737 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2738 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2739 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2740 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2741 { NULL } 2742}; 2743 2744/* 2745 * This deals with the vagaries of the address roms and the 2746 * brain-deadness that various vendors commit in using them. 2747 */ 2748static int 2749tulip_read_macaddr(tulip_softc_t * const sc) 2750{ 2751 unsigned cksum, rom_cksum, idx; 2752 u_int32_t csr; 2753 unsigned char tmpbuf[8]; 2754 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2755 2756 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2757 2758 if (sc->tulip_chipid == TULIP_21040) { 2759 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2760 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2761 int cnt = 0; 2762 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2763 cnt++; 2764 sc->tulip_rombuf[idx] = csr & 0xFF; 2765 } 2766 sc->tulip_boardsw = &tulip_21040_boardsw; 2767 } else { 2768 if (sc->tulip_chipid == TULIP_21041) { 2769 /* 2770 * Thankfully all 21041's act the same. 2771 */ 2772 sc->tulip_boardsw = &tulip_21041_boardsw; 2773 } else { 2774 /* 2775 * Assume all 21140 board are compatible with the 2776 * DEC 10/100 evaluation board. Not really valid but 2777 * it's the best we can do until every one switches to 2778 * the new SROM format. 2779 */ 2780 2781 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2782 } 2783 tulip_srom_read(sc); 2784 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2785 /* 2786 * SROM CRC is valid therefore it must be in the 2787 * new format. 2788 */ 2789 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2790 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2791 /* 2792 * No checksum is present. See if the SROM id checks out; 2793 * the first 18 bytes should be 0 followed by a 1 followed 2794 * by the number of adapters (which we don't deal with yet). 2795 */ 2796 for (idx = 0; idx < 18; idx++) { 2797 if (sc->tulip_rombuf[idx] != 0) 2798 break; 2799 } 2800 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2801 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2802 } else if (sc->tulip_chipid >= TULIP_21142) { 2803 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2804 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2805 } 2806 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2807 if (sc->tulip_chipid != TULIP_21041) 2808 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2809 2810 /* 2811 * If the SROM specifies more than one adapter, tag this as a 2812 * BASE rom. 2813 */ 2814 if (sc->tulip_rombuf[19] > 1) 2815 sc->tulip_features |= TULIP_HAVE_BASEROM; 2816 if (sc->tulip_boardsw == NULL) 2817 return -6; 2818 goto check_oui; 2819 } 2820 } 2821 2822 2823 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2824 /* 2825 * Some folks don't use the standard ethernet rom format 2826 * but instead just put the address in the first 6 bytes 2827 * of the rom and let the rest be all 0xffs. (Can we say 2828 * ZNYX?) (well sometimes they put in a checksum so we'll 2829 * start at 8). 2830 */ 2831 for (idx = 8; idx < 32; idx++) { 2832 if (sc->tulip_rombuf[idx] != 0xFF) 2833 return -4; 2834 } 2835 /* 2836 * Make sure the address is not multicast or locally assigned 2837 * that the OUI is not 00-00-00. 2838 */ 2839 if ((sc->tulip_rombuf[0] & 3) != 0) 2840 return -4; 2841 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2842 && sc->tulip_rombuf[2] == 0) 2843 return -4; 2844 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2845 sc->tulip_features |= TULIP_HAVE_OKROM; 2846 goto check_oui; 2847 } else { 2848 /* 2849 * A number of makers of multiport boards (ZNYX and Cogent) 2850 * only put on one address ROM on their 21040 boards. So 2851 * if the ROM is all zeros (or all 0xFFs), look at the 2852 * previous configured boards (as long as they are on the same 2853 * PCI bus and the bus number is non-zero) until we find the 2854 * master board with address ROM. We then use its address ROM 2855 * as the base for this board. (we add our relative board 2856 * to the last byte of its address). 2857 */ 2858 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2859 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2860 break; 2861 } 2862 if (idx == sizeof(sc->tulip_rombuf)) { 2863 int root_unit; 2864 tulip_softc_t *root_sc = NULL; 2865 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2866 root_sc = tulips[root_unit]; 2867 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2868 break; 2869 root_sc = NULL; 2870 } 2871 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2872 && root_sc->tulip_chipid == sc->tulip_chipid 2873 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2874 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2875 sc->tulip_boardsw = root_sc->tulip_boardsw; 2876 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2877 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2878 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2879 sizeof(sc->tulip_rombuf)); 2880 if (!tulip_srom_decode(sc)) 2881 return -5; 2882 } else { 2883 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2884 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2885 } 2886 /* 2887 * Now for a truly disgusting kludge: all 4 21040s on 2888 * the ZX314 share the same INTA line so the mapping 2889 * setup by the BIOS on the PCI bridge is worthless. 2890 * Rather than reprogramming the value in the config 2891 * register, we will handle this internally. 2892 */ 2893 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2894 sc->tulip_slaves = root_sc->tulip_slaves; 2895 root_sc->tulip_slaves = sc; 2896 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2897 } 2898 return 0; 2899 } 2900 } 2901 } 2902 2903 /* 2904 * This is the standard DEC address ROM test. 2905 */ 2906 2907 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2908 return -3; 2909 2910 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2911 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2912 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2913 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2914 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2915 return -2; 2916 2917 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2918 2919 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2920 cksum *= 2; 2921 if (cksum > 65535) cksum -= 65535; 2922 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2923 if (cksum > 65535) cksum -= 65535; 2924 cksum *= 2; 2925 if (cksum > 65535) cksum -= 65535; 2926 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2927 if (cksum >= 65535) cksum -= 65535; 2928 2929 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2930 2931 if (cksum != rom_cksum) 2932 return -1; 2933 2934 check_oui: 2935 /* 2936 * Check for various boards based on OUI. Did I say braindead? 2937 */ 2938 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2939 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2940 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2941 break; 2942 } 2943 } 2944 2945 sc->tulip_features |= TULIP_HAVE_OKROM; 2946 return 0; 2947} 2948 2949static void 2950tulip_ifmedia_add(tulip_softc_t * const sc) 2951{ 2952 tulip_media_t media; 2953 int medias = 0; 2954 2955 TULIP_LOCK_ASSERT(sc); 2956 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2957 if (sc->tulip_mediums[media] != NULL) { 2958 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2959 0, 0); 2960 medias++; 2961 } 2962 } 2963 if (medias == 0) { 2964 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2965 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2966 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2967 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2968 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2969 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2970 } else { 2971 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2972 sc->tulip_flags |= TULIP_PRINTMEDIA; 2973 tulip_linkup(sc, sc->tulip_media); 2974 } 2975} 2976 2977static int 2978tulip_ifmedia_change(struct ifnet * const ifp) 2979{ 2980 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2981 2982 TULIP_LOCK(sc); 2983 sc->tulip_flags |= TULIP_NEEDRESET; 2984 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2985 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2986 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2987 tulip_media_t media; 2988 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2989 if (sc->tulip_mediums[media] != NULL 2990 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2991 sc->tulip_flags |= TULIP_PRINTMEDIA; 2992 sc->tulip_flags &= ~TULIP_DIDNWAY; 2993 tulip_linkup(sc, media); 2994 TULIP_UNLOCK(sc); 2995 return 0; 2996 } 2997 } 2998 } 2999 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3000 tulip_reset(sc); 3001 tulip_init_locked(sc); 3002 TULIP_UNLOCK(sc); 3003 return 0; 3004} 3005 3006/* 3007 * Media status callback 3008 */ 3009static void 3010tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 3011{ 3012 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3013 3014 TULIP_LOCK(sc); 3015 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3016 TULIP_UNLOCK(sc); 3017 return; 3018 } 3019 3020 req->ifm_status = IFM_AVALID; 3021 if (sc->tulip_flags & TULIP_LINKUP) 3022 req->ifm_status |= IFM_ACTIVE; 3023 3024 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3025 TULIP_UNLOCK(sc); 3026} 3027 3028static void 3029tulip_addr_filter(tulip_softc_t * const sc) 3030{ 3031 struct ifmultiaddr *ifma; 3032 struct ifnet *ifp; 3033 u_char *addrp; 3034 u_int16_t eaddr[ETHER_ADDR_LEN/2]; 3035 int multicnt; 3036 3037 TULIP_LOCK_ASSERT(sc); 3038 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3039 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3040 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3041 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3042#if defined(IFF_ALLMULTI) 3043 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI) 3044 sc->tulip_flags |= TULIP_ALLMULTI ; 3045#endif 3046 3047 multicnt = 0; 3048 ifp = sc->tulip_ifp; 3049 if_maddr_rlock(ifp); 3050 3051 /* Copy MAC address on stack to align. */ 3052 if (ifp->if_input != NULL) 3053 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); 3054 else 3055 bcopy(sc->tulip_enaddr, eaddr, ETHER_ADDR_LEN); 3056 3057 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3058 3059 if (ifma->ifma_addr->sa_family == AF_LINK) 3060 multicnt++; 3061 } 3062 3063 if (multicnt > 14) { 3064 u_int32_t *sp = sc->tulip_setupdata; 3065 unsigned hash; 3066 /* 3067 * Some early passes of the 21140 have broken implementations of 3068 * hash-perfect mode. When we get too many multicasts for perfect 3069 * filtering with these chips, we need to switch into hash-only 3070 * mode (this is better than all-multicast on network with lots 3071 * of multicast traffic). 3072 */ 3073 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3074 sc->tulip_flags |= TULIP_WANTHASHONLY; 3075 else 3076 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3077 /* 3078 * If we have more than 14 multicasts, we have 3079 * go into hash perfect mode (512 bit multicast 3080 * hash and one perfect hardware). 3081 */ 3082 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3083 3084 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3085 3086 if (ifma->ifma_addr->sa_family != AF_LINK) 3087 continue; 3088 3089 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3090 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 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(ifp->if_broadcastaddr); 3098 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3099 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3100 hash = tulip_mchash((caddr_t)eaddr); 3101 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3102 } else { 3103 sp[39] = TULIP_SP_MAC(eaddr[0]); 3104 sp[40] = TULIP_SP_MAC(eaddr[1]); 3105 sp[41] = TULIP_SP_MAC(eaddr[2]); 3106 } 3107 } 3108 } 3109 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3110 u_int32_t *sp = sc->tulip_setupdata; 3111 int idx = 0; 3112 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3113 /* 3114 * Else can get perfect filtering for 16 addresses. 3115 */ 3116 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3117 if (ifma->ifma_addr->sa_family != AF_LINK) 3118 continue; 3119 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3120 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 3121 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 3122 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 3123 idx++; 3124 } 3125 /* 3126 * Add the broadcast address. 3127 */ 3128 idx++; 3129 *sp++ = TULIP_SP_MAC(0xFFFF); 3130 *sp++ = TULIP_SP_MAC(0xFFFF); 3131 *sp++ = TULIP_SP_MAC(0xFFFF); 3132 } 3133 /* 3134 * Pad the rest with our hardware address 3135 */ 3136 for (; idx < 16; idx++) { 3137 *sp++ = TULIP_SP_MAC(eaddr[0]); 3138 *sp++ = TULIP_SP_MAC(eaddr[1]); 3139 *sp++ = TULIP_SP_MAC(eaddr[2]); 3140 } 3141 } 3142 if_maddr_runlock(ifp); 3143} 3144 3145static void 3146tulip_reset(tulip_softc_t * const sc) 3147{ 3148 tulip_ringinfo_t *ri; 3149 tulip_descinfo_t *di; 3150 struct mbuf *m; 3151 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3152 3153 TULIP_LOCK_ASSERT(sc); 3154 3155 CTR1(KTR_TULIP, "tulip_reset: inreset %d", inreset); 3156 3157 /* 3158 * Brilliant. Simply brilliant. When switching modes/speeds 3159 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3160 * bits in CSR6 and then do a software reset to get the 21140 3161 * to properly reset its internal pathways to the right places. 3162 * Grrrr. 3163 */ 3164 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3165 && sc->tulip_boardsw->bd_media_preset != NULL) 3166 (*sc->tulip_boardsw->bd_media_preset)(sc); 3167 3168 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3169 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3170 33MHz that comes to two microseconds but wait a 3171 bit longer anyways) */ 3172 3173 if (!inreset) { 3174 sc->tulip_flags |= TULIP_INRESET; 3175 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3176 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3177 } 3178 3179 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff); 3180 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff); 3181 TULIP_CSR_WRITE(sc, csr_busmode, 3182 (1 << (3 /*pci_max_burst_len*/ + 8)) 3183 |TULIP_BUSMODE_CACHE_ALIGN8 3184 |TULIP_BUSMODE_READMULTIPLE 3185 |(BYTE_ORDER != LITTLE_ENDIAN ? 3186 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3187 3188 sc->tulip_txtimer = 0; 3189 /* 3190 * Free all the mbufs that were on the transmit ring. 3191 */ 3192 CTR0(KTR_TULIP, "tulip_reset: drain transmit ring"); 3193 ri = &sc->tulip_txinfo; 3194 for (di = ri->ri_first; di < ri->ri_last; di++) { 3195 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3196 if (m != NULL) 3197 m_freem(m); 3198 di->di_desc->d_status = 0; 3199 } 3200 3201 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3202 ri->ri_free = ri->ri_max; 3203 TULIP_TXDESC_PRESYNC(ri); 3204 3205 /* 3206 * We need to collect all the mbufs that were on the 3207 * receive ring before we reinit it either to put 3208 * them back on or to know if we have to allocate 3209 * more. 3210 */ 3211 CTR0(KTR_TULIP, "tulip_reset: drain receive ring"); 3212 ri = &sc->tulip_rxinfo; 3213 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3214 ri->ri_free = ri->ri_max; 3215 for (di = ri->ri_first; di < ri->ri_last; di++) { 3216 di->di_desc->d_status = 0; 3217 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 3218 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 3219 } 3220 TULIP_RXDESC_PRESYNC(ri); 3221 for (di = ri->ri_first; di < ri->ri_last; di++) { 3222 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3223 if (m != NULL) 3224 m_freem(m); 3225 } 3226 3227 /* 3228 * If tulip_reset is being called recursively, exit quickly knowing 3229 * that when the outer tulip_reset returns all the right stuff will 3230 * have happened. 3231 */ 3232 if (inreset) 3233 return; 3234 3235 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3236 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3237 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3238 |TULIP_STS_RXSTOPPED; 3239 3240 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3241 (*sc->tulip_boardsw->bd_media_select)(sc); 3242#if defined(TULIP_DEBUG) 3243 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3244 device_printf(sc->tulip_dev, 3245 "tulip_reset: additional reset needed?!?\n"); 3246#endif 3247 if (bootverbose) 3248 tulip_media_print(sc); 3249 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3250 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3251 3252 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3253 |TULIP_RXACT); 3254} 3255 3256 3257static void 3258tulip_init(void *arg) 3259{ 3260 tulip_softc_t *sc = (tulip_softc_t *)arg; 3261 3262 TULIP_LOCK(sc); 3263 tulip_init_locked(sc); 3264 TULIP_UNLOCK(sc); 3265} 3266 3267static void 3268tulip_init_locked(tulip_softc_t * const sc) 3269{ 3270 CTR0(KTR_TULIP, "tulip_init_locked"); 3271 if (sc->tulip_ifp->if_flags & IFF_UP) { 3272 if ((sc->tulip_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3273 /* initialize the media */ 3274 CTR0(KTR_TULIP, "tulip_init_locked: up but not running, reset chip"); 3275 tulip_reset(sc); 3276 } 3277 tulip_addr_filter(sc); 3278 sc->tulip_ifp->if_drv_flags |= IFF_DRV_RUNNING; 3279 if (sc->tulip_ifp->if_flags & IFF_PROMISC) { 3280 sc->tulip_flags |= TULIP_PROMISC; 3281 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3282 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3283 } else { 3284 sc->tulip_flags &= ~TULIP_PROMISC; 3285 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3286 if (sc->tulip_flags & TULIP_ALLMULTI) { 3287 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3288 } else { 3289 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3290 } 3291 } 3292 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3293 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3294 tulip_rx_intr(sc); 3295 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3296 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3297 } else { 3298 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3299 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3300 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3301 } 3302 CTR2(KTR_TULIP, "tulip_init_locked: intr mask %08x cmdmode %08x", 3303 sc->tulip_intrmask, sc->tulip_cmdmode); 3304 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3305 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3306 CTR1(KTR_TULIP, "tulip_init_locked: status %08x\n", 3307 TULIP_CSR_READ(sc, csr_status)); 3308 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3309 tulip_txput_setup(sc); 3310 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 3311 } else { 3312 CTR0(KTR_TULIP, "tulip_init_locked: not up, reset chip"); 3313 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3314 tulip_reset(sc); 3315 tulip_addr_filter(sc); 3316 callout_stop(&sc->tulip_stat_timer); 3317 } 3318} 3319 3320#define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 3321#define DESC_FLAG(di) ((di)->di_desc->d_flag) 3322 3323static void 3324tulip_rx_intr(tulip_softc_t * const sc) 3325{ 3326 TULIP_PERFSTART(rxintr) 3327 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3328 struct ifnet * const ifp = sc->tulip_ifp; 3329 int fillok = 1; 3330#if defined(TULIP_DEBUG) 3331 int cnt = 0; 3332#endif 3333 3334 TULIP_LOCK_ASSERT(sc); 3335 CTR0(KTR_TULIP, "tulip_rx_intr: start"); 3336 for (;;) { 3337 TULIP_PERFSTART(rxget) 3338 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 3339 int total_len = 0, last_offset = 0; 3340 struct mbuf *ms = NULL, *me = NULL; 3341 int accept = 0; 3342 int error; 3343 3344 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 3345 goto queue_mbuf; 3346 3347#if defined(TULIP_DEBUG) 3348 if (cnt == ri->ri_max) 3349 break; 3350#endif 3351 /* 3352 * If the TULIP has no descriptors, there can't be any receive 3353 * descriptors to process. 3354 */ 3355 if (eop == ri->ri_nextout) 3356 break; 3357 3358 /* 3359 * 90% of the packets will fit in one descriptor. So we optimize 3360 * for that case. 3361 */ 3362 TULIP_RXDESC_POSTSYNC(ri); 3363 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3364 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3365 CTR2(KTR_TULIP, 3366 "tulip_rx_intr: single packet mbuf %p from descriptor %td", ms, 3367 eop - ri->ri_first); 3368 me = ms; 3369 ri->ri_free++; 3370 } else { 3371 /* 3372 * If still owned by the TULIP, don't touch it. 3373 */ 3374 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3375 break; 3376 3377 /* 3378 * It is possible (though improbable unless MCLBYTES < 1518) for 3379 * a received packet to cross more than one receive descriptor. 3380 * We first loop through the descriptor ring making sure we have 3381 * received a complete packet. If not, we bail until the next 3382 * interrupt. 3383 */ 3384 dip = eop; 3385 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3386 if (++eop == ri->ri_last) 3387 eop = ri->ri_first; 3388 TULIP_RXDESC_POSTSYNC(ri); 3389 if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) { 3390#if defined(TULIP_DEBUG) 3391 sc->tulip_dbg.dbg_rxintrs++; 3392 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3393#endif 3394 TULIP_PERFEND(rxget); 3395 TULIP_PERFEND(rxintr); 3396 return; 3397 } 3398 total_len++; 3399 } 3400 3401 /* 3402 * Dequeue the first buffer for the start of the packet. Hopefully 3403 * this will be the only one we need to dequeue. However, if the 3404 * packet consumed multiple descriptors, then we need to dequeue 3405 * those buffers and chain to the starting mbuf. All buffers but 3406 * the last buffer have the same length so we can set that now. 3407 * (we add to last_offset instead of multiplying since we normally 3408 * won't go into the loop and thereby saving ourselves from 3409 * doing a multiplication by 0 in the normal case). 3410 */ 3411 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3412 CTR2(KTR_TULIP, 3413 "tulip_rx_intr: start packet mbuf %p from descriptor %td", ms, 3414 dip - ri->ri_first); 3415 ri->ri_free++; 3416 for (me = ms; total_len > 0; total_len--) { 3417 me->m_len = TULIP_RX_BUFLEN; 3418 last_offset += TULIP_RX_BUFLEN; 3419 if (++dip == ri->ri_last) 3420 dip = ri->ri_first; 3421 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3422 ri->ri_free++; 3423 me = me->m_next; 3424 CTR2(KTR_TULIP, 3425 "tulip_rx_intr: cont packet mbuf %p from descriptor %td", 3426 me, dip - ri->ri_first); 3427 } 3428 KASSERT(dip == eop, ("mismatched descinfo structs")); 3429 } 3430 3431 /* 3432 * Now get the size of received packet (minus the CRC). 3433 */ 3434 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3435 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3436 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3437 me->m_len = total_len - last_offset; 3438 sc->tulip_flags |= TULIP_RXACT; 3439 accept = 1; 3440 CTR1(KTR_TULIP, "tulip_rx_intr: good packet; length %d", 3441 total_len); 3442 } else { 3443 CTR1(KTR_TULIP, "tulip_rx_intr: bad packet; status %08x", 3444 DESC_STATUS(eop)); 3445 ifp->if_ierrors++; 3446 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3447 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3448 } else { 3449#if defined(TULIP_VERBOSE) 3450 const char *error = NULL; 3451#endif 3452 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3453 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3454#if defined(TULIP_VERBOSE) 3455 error = "frame too long"; 3456#endif 3457 } 3458 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3459 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3460 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3461#if defined(TULIP_VERBOSE) 3462 error = "alignment error"; 3463#endif 3464 } else { 3465 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3466#if defined(TULIP_VERBOSE) 3467 error = "bad crc"; 3468#endif 3469 } 3470 } 3471#if defined(TULIP_VERBOSE) 3472 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3473 device_printf(sc->tulip_dev, "receive: %6D: %s\n", 3474 mtod(ms, u_char *) + 6, ":", 3475 error); 3476 sc->tulip_flags |= TULIP_NOMESSAGES; 3477 } 3478#endif 3479 } 3480 3481 } 3482#if defined(TULIP_DEBUG) 3483 cnt++; 3484#endif 3485 ifp->if_ipackets++; 3486 if (++eop == ri->ri_last) 3487 eop = ri->ri_first; 3488 ri->ri_nextin = eop; 3489 queue_mbuf: 3490 /* 3491 * We have received a good packet that needs to be passed up the 3492 * stack. 3493 */ 3494 if (accept) { 3495 struct mbuf *m0; 3496 3497 KASSERT(ms != NULL, ("no packet to accept")); 3498#ifndef __NO_STRICT_ALIGNMENT 3499 /* 3500 * Copy the data into a new mbuf that is properly aligned. If 3501 * we fail to allocate a new mbuf, then drop the packet. We will 3502 * reuse the same rx buffer ('ms') below for another packet 3503 * regardless. 3504 */ 3505 m0 = m_devget(mtod(ms, caddr_t), total_len, ETHER_ALIGN, ifp, NULL); 3506 if (m0 == NULL) { 3507 ifp->if_ierrors++; 3508 goto skip_input; 3509 } 3510#else 3511 /* 3512 * Update the header for the mbuf referencing this receive 3513 * buffer and pass it up the stack. Allocate a new mbuf cluster 3514 * to replace the one we just passed up the stack. 3515 * 3516 * Note that if this packet crossed multiple descriptors 3517 * we don't even try to reallocate all the mbufs here. 3518 * Instead we rely on the test at the beginning of 3519 * the loop to refill for the extra consumed mbufs. 3520 */ 3521 ms->m_pkthdr.len = total_len; 3522 ms->m_pkthdr.rcvif = ifp; 3523 m0 = ms; 3524 ms = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 3525#endif 3526 TULIP_UNLOCK(sc); 3527 CTR1(KTR_TULIP, "tulip_rx_intr: passing %p to upper layer", m0); 3528 (*ifp->if_input)(ifp, m0); 3529 TULIP_LOCK(sc); 3530 } else if (ms == NULL) 3531 /* 3532 * If we are priming the TULIP with mbufs, then allocate 3533 * a new cluster for the next descriptor. 3534 */ 3535 ms = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 3536 3537#ifndef __NO_STRICT_ALIGNMENT 3538 skip_input: 3539#endif 3540 if (ms == NULL) { 3541 /* 3542 * Couldn't allocate a new buffer. Don't bother 3543 * trying to replenish the receive queue. 3544 */ 3545 fillok = 0; 3546 sc->tulip_flags |= TULIP_RXBUFSLOW; 3547#if defined(TULIP_DEBUG) 3548 sc->tulip_dbg.dbg_rxlowbufs++; 3549#endif 3550 TULIP_PERFEND(rxget); 3551 continue; 3552 } 3553 /* 3554 * Now give the buffer(s) to the TULIP and save in our 3555 * receive queue. 3556 */ 3557 do { 3558 tulip_descinfo_t * const nextout = ri->ri_nextout; 3559 3560 M_ASSERTPKTHDR(ms); 3561 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3562 ("rx mbuf data doesn't point to cluster")); 3563 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN; 3564 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3565 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3566 if (error) { 3567 device_printf(sc->tulip_dev, 3568 "unable to load rx map, error = %d\n", error); 3569 panic("tulip_rx_intr"); /* XXX */ 3570 } 3571 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3572 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3573 nextout->di_mbuf = ms; 3574 CTR2(KTR_TULIP, "tulip_rx_intr: enqueued mbuf %p to descriptor %td", 3575 ms, nextout - ri->ri_first); 3576 TULIP_RXDESC_POSTSYNC(ri); 3577 if (++ri->ri_nextout == ri->ri_last) 3578 ri->ri_nextout = ri->ri_first; 3579 ri->ri_free--; 3580 me = ms->m_next; 3581 ms->m_next = NULL; 3582 } while ((ms = me) != NULL); 3583 3584 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3585 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3586 TULIP_PERFEND(rxget); 3587 } 3588 3589#if defined(TULIP_DEBUG) 3590 sc->tulip_dbg.dbg_rxintrs++; 3591 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3592#endif 3593 TULIP_PERFEND(rxintr); 3594} 3595 3596static int 3597tulip_tx_intr(tulip_softc_t * const sc) 3598{ 3599 TULIP_PERFSTART(txintr) 3600 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3601 struct mbuf *m; 3602 int xmits = 0; 3603 int descs = 0; 3604 3605 CTR0(KTR_TULIP, "tulip_tx_intr: start"); 3606 TULIP_LOCK_ASSERT(sc); 3607 while (ri->ri_free < ri->ri_max) { 3608 u_int32_t d_flag; 3609 3610 TULIP_TXDESC_POSTSYNC(ri); 3611 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3612 break; 3613 3614 ri->ri_free++; 3615 descs++; 3616 d_flag = DESC_FLAG(ri->ri_nextin); 3617 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3618 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3619 CTR2(KTR_TULIP, 3620 "tulip_tx_intr: setup packet from descriptor %td: %08x", 3621 ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin)); 3622 /* 3623 * We've just finished processing a setup packet. 3624 * Mark that we finished it. If there's not 3625 * another pending, startup the TULIP receiver. 3626 * Make sure we ack the RXSTOPPED so we won't get 3627 * an abormal interrupt indication. 3628 */ 3629 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3630 BUS_DMASYNC_POSTWRITE); 3631 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3632 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3633 sc->tulip_flags |= TULIP_HASHONLY; 3634 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3635 tulip_rx_intr(sc); 3636 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3637 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3638 CTR2(KTR_TULIP, 3639 "tulip_tx_intr: intr mask %08x cmdmode %08x", 3640 sc->tulip_intrmask, sc->tulip_cmdmode); 3641 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3642 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3643 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3644 } 3645 } else { 3646 const u_int32_t d_status = DESC_STATUS(ri->ri_nextin); 3647 3648 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3649 CTR2(KTR_TULIP, 3650 "tulip_tx_intr: data packet %p from descriptor %td", m, 3651 ri->ri_nextin - ri->ri_first); 3652 if (m != NULL) { 3653 m_freem(m); 3654#if defined(TULIP_DEBUG) 3655 } else { 3656 device_printf(sc->tulip_dev, 3657 "tx_intr: failed to dequeue mbuf?!?\n"); 3658#endif 3659 } 3660 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3661 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3662 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3663#if defined(TULIP_DEBUG) 3664 if (d_status & TULIP_DSTS_TxNOCARR) 3665 sc->tulip_dbg.dbg_txprobe_nocarr++; 3666 if (d_status & TULIP_DSTS_TxEXCCOLL) 3667 sc->tulip_dbg.dbg_txprobe_exccoll++; 3668#endif 3669 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3670 } 3671 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3672 /* 3673 * Escape from the loop before media poll has reset the TULIP! 3674 */ 3675 break; 3676 } else { 3677 xmits++; 3678 if (d_status & TULIP_DSTS_ERRSUM) { 3679 CTR1(KTR_TULIP, "tulip_tx_intr: output error: %08x", 3680 d_status); 3681 sc->tulip_ifp->if_oerrors++; 3682 if (d_status & TULIP_DSTS_TxEXCCOLL) 3683 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3684 if (d_status & TULIP_DSTS_TxLATECOLL) 3685 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3686 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3687 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3688 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3689 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3690 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3691 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3692 if (d_status & TULIP_DSTS_TxBABBLE) 3693 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3694 } else { 3695 u_int32_t collisions = 3696 (d_status & TULIP_DSTS_TxCOLLMASK) 3697 >> TULIP_DSTS_V_TxCOLLCNT; 3698 3699 CTR2(KTR_TULIP, 3700 "tulip_tx_intr: output ok, collisions %d, status %08x", 3701 collisions, d_status); 3702 sc->tulip_ifp->if_collisions += collisions; 3703 if (collisions == 1) 3704 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3705 else if (collisions > 1) 3706 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3707 else if (d_status & TULIP_DSTS_TxDEFERRED) 3708 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3709 /* 3710 * SQE is only valid for 10baseT/BNC/AUI when not 3711 * running in full-duplex. In order to speed up the 3712 * test, the corresponding bit in tulip_flags needs to 3713 * set as well to get us to count SQE Test Errors. 3714 */ 3715 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3716 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3717 } 3718 } 3719 } 3720 } 3721 3722 if (++ri->ri_nextin == ri->ri_last) 3723 ri->ri_nextin = ri->ri_first; 3724 3725 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3726 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3727 } 3728 /* 3729 * If nothing left to transmit, disable the timer. 3730 * Else if progress, reset the timer back to 2 ticks. 3731 */ 3732 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3733 sc->tulip_txtimer = 0; 3734 else if (xmits > 0) 3735 sc->tulip_txtimer = TULIP_TXTIMER; 3736 sc->tulip_ifp->if_opackets += xmits; 3737 TULIP_PERFEND(txintr); 3738 return descs; 3739} 3740 3741static void 3742tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3743{ 3744 const char * const *msgp = tulip_status_bits; 3745 const char *sep; 3746 u_int32_t mask; 3747 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3748 3749 TULIP_LOCK_ASSERT(sc); 3750 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3751 device_printf(sc->tulip_dev, "abnormal interrupt:"); 3752 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3753 if ((csr & mask) && *msgp != NULL) { 3754 printf("%s%s", sep, *msgp); 3755 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3756 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3757 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3758 printf(" (switching to store-and-forward mode)"); 3759 } else { 3760 printf(" (raising TX threshold to %s)", 3761 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3762 } 3763 } 3764 sep = ", "; 3765 } 3766 } 3767 printf("\n"); 3768} 3769 3770static void 3771tulip_intr_handler(tulip_softc_t * const sc) 3772{ 3773 TULIP_PERFSTART(intr) 3774 u_int32_t csr; 3775 3776 CTR0(KTR_TULIP, "tulip_intr_handler invoked"); 3777 TULIP_LOCK_ASSERT(sc); 3778 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3779 TULIP_CSR_WRITE(sc, csr_status, csr); 3780 3781 if (csr & TULIP_STS_SYSERROR) { 3782 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3783 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3784 sc->tulip_flags |= TULIP_SYSTEMERROR; 3785 } else { 3786 device_printf(sc->tulip_dev, "system error: %s\n", 3787 tulip_system_errors[sc->tulip_last_system_error]); 3788 } 3789 sc->tulip_flags |= TULIP_NEEDRESET; 3790 sc->tulip_system_errors++; 3791 break; 3792 } 3793 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3794#if defined(TULIP_DEBUG) 3795 sc->tulip_dbg.dbg_link_intrs++; 3796#endif 3797 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3798 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3799 ? TULIP_MEDIAPOLL_LINKFAIL 3800 : TULIP_MEDIAPOLL_LINKPASS); 3801 csr &= ~TULIP_STS_ABNRMLINTR; 3802 } 3803 tulip_media_print(sc); 3804 } 3805 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3806 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3807 if (csr & TULIP_STS_RXNOBUF) 3808 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3809 /* 3810 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3811 * on receive overflows. 3812 */ 3813 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3814 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3815 /* 3816 * Stop the receiver process and spin until it's stopped. 3817 * Tell rx_intr to drop the packets it dequeues. 3818 */ 3819 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3820 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3821 ; 3822 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3823 sc->tulip_flags |= TULIP_RXIGNORE; 3824 } 3825 tulip_rx_intr(sc); 3826 if (sc->tulip_flags & TULIP_RXIGNORE) { 3827 /* 3828 * Restart the receiver. 3829 */ 3830 sc->tulip_flags &= ~TULIP_RXIGNORE; 3831 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3832 } 3833 } 3834 if (csr & TULIP_STS_ABNRMLINTR) { 3835 u_int32_t tmp = csr & sc->tulip_intrmask 3836 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3837 if (csr & TULIP_STS_TXUNDERFLOW) { 3838 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3839 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3840 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3841 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3842 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3843 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3844 } 3845 } 3846 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3847 sc->tulip_statusbits |= tmp; 3848 } else { 3849 tulip_print_abnormal_interrupt(sc, tmp); 3850 sc->tulip_flags |= TULIP_NOMESSAGES; 3851 } 3852 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3853 } 3854 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3855 tulip_tx_intr(sc); 3856 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3857 tulip_start_locked(sc); 3858 } 3859 } 3860 if (sc->tulip_flags & TULIP_NEEDRESET) { 3861 tulip_reset(sc); 3862 tulip_init_locked(sc); 3863 } 3864 TULIP_PERFEND(intr); 3865} 3866 3867static void 3868tulip_intr_shared(void *arg) 3869{ 3870 tulip_softc_t * sc = arg; 3871 3872 for (; sc != NULL; sc = sc->tulip_slaves) { 3873 TULIP_LOCK(sc); 3874#if defined(TULIP_DEBUG) 3875 sc->tulip_dbg.dbg_intrs++; 3876#endif 3877 tulip_intr_handler(sc); 3878 TULIP_UNLOCK(sc); 3879 } 3880} 3881 3882static void 3883tulip_intr_normal(void *arg) 3884{ 3885 tulip_softc_t * sc = (tulip_softc_t *) arg; 3886 3887 TULIP_LOCK(sc); 3888#if defined(TULIP_DEBUG) 3889 sc->tulip_dbg.dbg_intrs++; 3890#endif 3891 tulip_intr_handler(sc); 3892 TULIP_UNLOCK(sc); 3893} 3894 3895static struct mbuf * 3896tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3897{ 3898 TULIP_PERFSTART(txput) 3899 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3900 tulip_descinfo_t *eop, *nextout; 3901 int segcnt, free; 3902 u_int32_t d_status; 3903 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3904 bus_dmamap_t *map; 3905 int error, nsegs; 3906 struct mbuf *m0; 3907 3908 TULIP_LOCK_ASSERT(sc); 3909#if defined(TULIP_DEBUG) 3910 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3911 device_printf(sc->tulip_dev, "txput%s: tx not running\n", 3912 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3913 sc->tulip_flags |= TULIP_WANTTXSTART; 3914 sc->tulip_dbg.dbg_txput_finishes[0]++; 3915 goto finish; 3916 } 3917#endif 3918 3919 /* 3920 * Now we try to fill in our transmit descriptors. This is 3921 * a bit reminiscent of going on the Ark two by two 3922 * since each descriptor for the TULIP can describe 3923 * two buffers. So we advance through packet filling 3924 * each of the two entries at a time to to fill each 3925 * descriptor. Clear the first and last segment bits 3926 * in each descriptor (actually just clear everything 3927 * but the end-of-ring or chain bits) to make sure 3928 * we don't get messed up by previously sent packets. 3929 * 3930 * We may fail to put the entire packet on the ring if 3931 * there is either not enough ring entries free or if the 3932 * packet has more than MAX_TXSEG segments. In the former 3933 * case we will just wait for the ring to empty. In the 3934 * latter case we have to recopy. 3935 */ 3936#if defined(KTR) && KTR_TULIP 3937 segcnt = 1; 3938 m0 = m; 3939 while (m0->m_next != NULL) { 3940 segcnt++; 3941 m0 = m0->m_next; 3942 } 3943#endif 3944 CTR2(KTR_TULIP, "tulip_txput: sending packet %p (%d chunks)", m, segcnt); 3945 d_status = 0; 3946 eop = nextout = ri->ri_nextout; 3947 segcnt = 0; 3948 free = ri->ri_free; 3949 3950 /* 3951 * Reclaim some tx descriptors if we are out since we need at least one 3952 * free descriptor so that we have a dma_map to load the mbuf. 3953 */ 3954 if (free == 0) { 3955#if defined(TULIP_DEBUG) 3956 sc->tulip_dbg.dbg_no_txmaps++; 3957#endif 3958 free += tulip_tx_intr(sc); 3959 } 3960 if (free == 0) { 3961 sc->tulip_flags |= TULIP_WANTTXSTART; 3962#if defined(TULIP_DEBUG) 3963 sc->tulip_dbg.dbg_txput_finishes[1]++; 3964#endif 3965 goto finish; 3966 } 3967 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs, 3968 &nsegs, BUS_DMA_NOWAIT); 3969 if (error != 0) { 3970 if (error == EFBIG) { 3971 /* 3972 * The packet exceeds the number of transmit buffer 3973 * entries that we can use for one packet, so we have 3974 * to recopy it into one mbuf and then try again. If 3975 * we can't recopy it, try again later. 3976 */ 3977 m0 = m_defrag(m, M_DONTWAIT); 3978 if (m0 == NULL) { 3979 sc->tulip_flags |= TULIP_WANTTXSTART; 3980#if defined(TULIP_DEBUG) 3981 sc->tulip_dbg.dbg_txput_finishes[2]++; 3982#endif 3983 goto finish; 3984 } 3985 m = m0; 3986 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, 3987 segs, &nsegs, BUS_DMA_NOWAIT); 3988 } 3989 if (error != 0) { 3990 device_printf(sc->tulip_dev, 3991 "unable to load tx map, error = %d\n", error); 3992#if defined(TULIP_DEBUG) 3993 sc->tulip_dbg.dbg_txput_finishes[3]++; 3994#endif 3995 goto finish; 3996 } 3997 } 3998 CTR1(KTR_TULIP, "tulip_txput: nsegs %d", nsegs); 3999 4000 /* 4001 * Each descriptor allows for up to 2 fragments since we don't use 4002 * the descriptor chaining mode in this driver. 4003 */ 4004 if ((free -= (nsegs + 1) / 2) <= 0 4005 /* 4006 * See if there's any unclaimed space in the transmit ring. 4007 */ 4008 && (free += tulip_tx_intr(sc)) <= 0) { 4009 /* 4010 * There's no more room but since nothing 4011 * has been committed at this point, just 4012 * show output is active, put back the 4013 * mbuf and return. 4014 */ 4015 sc->tulip_flags |= TULIP_WANTTXSTART; 4016#if defined(TULIP_DEBUG) 4017 sc->tulip_dbg.dbg_txput_finishes[4]++; 4018#endif 4019 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 4020 goto finish; 4021 } 4022 for (; nsegs - segcnt > 1; segcnt += 2) { 4023 eop = nextout; 4024 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4025 eop->di_desc->d_status = d_status; 4026 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4027 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4028 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff; 4029 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 4030 d_status = TULIP_DSTS_OWNER; 4031 if (++nextout == ri->ri_last) 4032 nextout = ri->ri_first; 4033 } 4034 if (segcnt < nsegs) { 4035 eop = nextout; 4036 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4037 eop->di_desc->d_status = d_status; 4038 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4039 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4040 eop->di_desc->d_addr2 = 0; 4041 eop->di_desc->d_length2 = 0; 4042 if (++nextout == ri->ri_last) 4043 nextout = ri->ri_first; 4044 } 4045 4046 /* 4047 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 4048 * frame. We just used the dmamap in the first descriptor for the 4049 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 4050 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 4051 * pointers in the two descriptors if this is a multiple-descriptor 4052 * packet. 4053 */ 4054 if (eop != ri->ri_nextout) { 4055 map = eop->di_map; 4056 eop->di_map = ri->ri_nextout->di_map; 4057 ri->ri_nextout->di_map = map; 4058 } 4059 4060 /* 4061 * bounce a copy to the bpf listener, if any. 4062 */ 4063 if (!(sc->tulip_flags & TULIP_DEVICEPROBE)) 4064 BPF_MTAP(sc->tulip_ifp, m); 4065 4066 /* 4067 * The descriptors have been filled in. Now get ready 4068 * to transmit. 4069 */ 4070 CTR3(KTR_TULIP, "tulip_txput: enqueued mbuf %p to descriptors %td - %td", 4071 m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first); 4072 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 4073 eop->di_mbuf = m; 4074 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 4075 m = NULL; 4076 4077 /* 4078 * Make sure the next descriptor after this packet is owned 4079 * by us since it may have been set up above if we ran out 4080 * of room in the ring. 4081 */ 4082 nextout->di_desc->d_status = 0; 4083 TULIP_TXDESC_PRESYNC(ri); 4084 4085 /* 4086 * Mark the last and first segments, indicate we want a transmit 4087 * complete interrupt, and tell it to transmit! 4088 */ 4089 eop->di_desc->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4090 4091 /* 4092 * Note that ri->ri_nextout is still the start of the packet 4093 * and until we set the OWNER bit, we can still back out of 4094 * everything we have done. 4095 */ 4096 ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4097 TULIP_TXDESC_PRESYNC(ri); 4098 ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER; 4099 TULIP_TXDESC_PRESYNC(ri); 4100 4101 /* 4102 * This advances the ring for us. 4103 */ 4104 ri->ri_nextout = nextout; 4105 ri->ri_free = free; 4106 4107 TULIP_PERFEND(txput); 4108 4109 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4110 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4111 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4112 TULIP_PERFEND(txput); 4113 return NULL; 4114 } 4115 4116 /* 4117 * switch back to the single queueing ifstart. 4118 */ 4119 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4120 if (sc->tulip_txtimer == 0) 4121 sc->tulip_txtimer = TULIP_TXTIMER; 4122#if defined(TULIP_DEBUG) 4123 sc->tulip_dbg.dbg_txput_finishes[5]++; 4124#endif 4125 4126 /* 4127 * If we want a txstart, there must be not enough space in the 4128 * transmit ring. So we want to enable transmit done interrupts 4129 * so we can immediately reclaim some space. When the transmit 4130 * interrupt is posted, the interrupt handler will call tx_intr 4131 * to reclaim space and then txstart (since WANTTXSTART is set). 4132 * txstart will move the packet into the transmit ring and clear 4133 * WANTTXSTART thereby causing TXINTR to be cleared. 4134 */ 4135 finish: 4136#if defined(TULIP_DEBUG) 4137 sc->tulip_dbg.dbg_txput_finishes[6]++; 4138#endif 4139 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4140 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4141 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4142 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4143 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4144 } 4145 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4146 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4147 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4148 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4149 } 4150 } 4151 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4152 TULIP_PERFEND(txput); 4153 return m; 4154} 4155 4156static void 4157tulip_txput_setup(tulip_softc_t * const sc) 4158{ 4159 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4160 tulip_desc_t *nextout; 4161 4162 TULIP_LOCK_ASSERT(sc); 4163 4164 /* 4165 * We will transmit, at most, one setup packet per call to ifstart. 4166 */ 4167 4168#if defined(TULIP_DEBUG) 4169 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4170 device_printf(sc->tulip_dev, "txput_setup: tx not running\n"); 4171 sc->tulip_flags |= TULIP_WANTTXSTART; 4172 return; 4173 } 4174#endif 4175 /* 4176 * Try to reclaim some free descriptors.. 4177 */ 4178 if (ri->ri_free < 2) 4179 tulip_tx_intr(sc); 4180 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4181 sc->tulip_flags |= TULIP_WANTTXSTART; 4182 return; 4183 } 4184 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4185 sizeof(sc->tulip_setupdata)); 4186 /* 4187 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 4188 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4189 */ 4190 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4191 ri->ri_free--; 4192 nextout = ri->ri_nextout->di_desc; 4193 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4194 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4195 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4196 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4197 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4198 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4199 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4200 4201 nextout->d_length2 = 0; 4202 nextout->d_addr2 = 0; 4203 nextout->d_length1 = sizeof(sc->tulip_setupdata); 4204 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff; 4205 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 4206 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 4207 TULIP_TXDESC_PRESYNC(ri); 4208 CTR1(KTR_TULIP, "tulip_txput_setup: using descriptor %td", 4209 ri->ri_nextout - ri->ri_first); 4210 4211 /* 4212 * Advance the ring for the next transmit packet. 4213 */ 4214 if (++ri->ri_nextout == ri->ri_last) 4215 ri->ri_nextout = ri->ri_first; 4216 4217 /* 4218 * Make sure the next descriptor is owned by us since it 4219 * may have been set up above if we ran out of room in the 4220 * ring. 4221 */ 4222 ri->ri_nextout->di_desc->d_status = 0; 4223 TULIP_TXDESC_PRESYNC(ri); 4224 nextout->d_status = TULIP_DSTS_OWNER; 4225 /* 4226 * Flush the ownwership of the current descriptor 4227 */ 4228 TULIP_TXDESC_PRESYNC(ri); 4229 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4230 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4231 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4232 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4233 } 4234} 4235 4236static int 4237tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4238{ 4239 TULIP_PERFSTART(ifioctl) 4240 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4241 struct ifreq *ifr = (struct ifreq *) data; 4242 int error = 0; 4243 4244 switch (cmd) { 4245 case SIOCSIFFLAGS: { 4246 TULIP_LOCK(sc); 4247 tulip_init_locked(sc); 4248 TULIP_UNLOCK(sc); 4249 break; 4250 } 4251 4252 case SIOCSIFMEDIA: 4253 case SIOCGIFMEDIA: { 4254 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4255 break; 4256 } 4257 4258 case SIOCADDMULTI: 4259 case SIOCDELMULTI: { 4260 /* 4261 * Update multicast listeners 4262 */ 4263 TULIP_LOCK(sc); 4264 tulip_init_locked(sc); 4265 TULIP_UNLOCK(sc); 4266 error = 0; 4267 break; 4268 } 4269 4270#ifdef SIOCGADDRROM 4271 case SIOCGADDRROM: { 4272 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4273 break; 4274 } 4275#endif 4276#ifdef SIOCGCHIPID 4277 case SIOCGCHIPID: { 4278 ifr->ifr_metric = (int) sc->tulip_chipid; 4279 break; 4280 } 4281#endif 4282 default: { 4283 error = ether_ioctl(ifp, cmd, data); 4284 break; 4285 } 4286 } 4287 4288 TULIP_PERFEND(ifioctl); 4289 return error; 4290} 4291 4292static void 4293tulip_start(struct ifnet * const ifp) 4294{ 4295 TULIP_PERFSTART(ifstart) 4296 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4297 4298 TULIP_LOCK(sc); 4299 tulip_start_locked(sc); 4300 TULIP_UNLOCK(sc); 4301 4302 TULIP_PERFEND(ifstart); 4303} 4304 4305static void 4306tulip_start_locked(tulip_softc_t * const sc) 4307{ 4308 struct mbuf *m; 4309 4310 TULIP_LOCK_ASSERT(sc); 4311 4312 CTR0(KTR_TULIP, "tulip_start_locked invoked"); 4313 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4314 tulip_txput_setup(sc); 4315 4316 CTR1(KTR_TULIP, "tulip_start_locked: %d tx packets pending", 4317 sc->tulip_ifp->if_snd.ifq_len); 4318 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) { 4319 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m); 4320 if(m == NULL) 4321 break; 4322 if ((m = tulip_txput(sc, m)) != NULL) { 4323 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m); 4324 break; 4325 } 4326 } 4327} 4328 4329static void 4330tulip_watchdog(void *arg) 4331{ 4332 TULIP_PERFSTART(stat) 4333 tulip_softc_t *sc = arg; 4334#if defined(TULIP_DEBUG) 4335 u_int32_t rxintrs; 4336#endif 4337 4338 TULIP_LOCK_ASSERT(sc); 4339 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 4340#if defined(TULIP_DEBUG) 4341 rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4342 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4343 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4344 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4345#endif /* TULIP_DEBUG */ 4346 4347 /* 4348 * These should be rare so do a bulk test up front so we can just skip 4349 * them if needed. 4350 */ 4351 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4352 /* 4353 * If the number of receive buffer is low, try to refill 4354 */ 4355 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4356 tulip_rx_intr(sc); 4357 4358 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4359 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n", 4360 sc->tulip_system_errors, 4361 tulip_system_errors[sc->tulip_last_system_error]); 4362 } 4363 if (sc->tulip_statusbits) { 4364 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4365 sc->tulip_statusbits = 0; 4366 } 4367 4368 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4369 } 4370 4371 if (sc->tulip_txtimer) 4372 tulip_tx_intr(sc); 4373 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4374 if_printf(sc->tulip_ifp, "transmission timeout\n"); 4375 if (TULIP_DO_AUTOSENSE(sc)) { 4376 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4377 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4378 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4379 } 4380 tulip_reset(sc); 4381 tulip_init_locked(sc); 4382 } 4383 4384 TULIP_PERFEND(stat); 4385 TULIP_PERFMERGE(sc, perf_intr_cycles); 4386 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4387 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4388 TULIP_PERFMERGE(sc, perf_stat_cycles); 4389 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4390 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4391 TULIP_PERFMERGE(sc, perf_txput_cycles); 4392 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4393 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4394 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4395 TULIP_PERFMERGE(sc, perf_intr); 4396 TULIP_PERFMERGE(sc, perf_ifstart); 4397 TULIP_PERFMERGE(sc, perf_ifioctl); 4398 TULIP_PERFMERGE(sc, perf_stat); 4399 TULIP_PERFMERGE(sc, perf_timeout); 4400 TULIP_PERFMERGE(sc, perf_ifstart_one); 4401 TULIP_PERFMERGE(sc, perf_txput); 4402 TULIP_PERFMERGE(sc, perf_txintr); 4403 TULIP_PERFMERGE(sc, perf_rxintr); 4404 TULIP_PERFMERGE(sc, perf_rxget); 4405} 4406 4407static void 4408tulip_attach(tulip_softc_t * const sc) 4409{ 4410 struct ifnet *ifp; 4411 4412 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER); 4413 4414 /* XXX: driver name/unit should be set some other way */ 4415 if_initname(ifp, "de", sc->tulip_unit); 4416 ifp->if_softc = sc; 4417 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4418 ifp->if_ioctl = tulip_ifioctl; 4419 ifp->if_start = tulip_start; 4420 ifp->if_init = tulip_init; 4421 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4422 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4423 IFQ_SET_READY(&ifp->if_snd); 4424 4425 device_printf(sc->tulip_dev, "%s%s pass %d.%d%s\n", 4426 sc->tulip_boardid, 4427 tulip_chipdescs[sc->tulip_chipid], 4428 (sc->tulip_revinfo & 0xF0) >> 4, 4429 sc->tulip_revinfo & 0x0F, 4430 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4431 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4432 4433 TULIP_LOCK(sc); 4434 (*sc->tulip_boardsw->bd_media_probe)(sc); 4435 ifmedia_init(&sc->tulip_ifmedia, 0, 4436 tulip_ifmedia_change, 4437 tulip_ifmedia_status); 4438 tulip_ifmedia_add(sc); 4439 4440 tulip_reset(sc); 4441 TULIP_UNLOCK(sc); 4442 4443 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr); 4444 4445 TULIP_LOCK(sc); 4446 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4447 TULIP_UNLOCK(sc); 4448} 4449 4450/* Release memory for a single descriptor ring. */ 4451static void 4452tulip_busdma_freering(tulip_ringinfo_t *ri) 4453{ 4454 int i; 4455 4456 /* Release the DMA maps and tag for data buffers. */ 4457 if (ri->ri_data_maps != NULL) { 4458 for (i = 0; i < ri->ri_max; i++) { 4459 if (ri->ri_data_maps[i] != NULL) { 4460 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 4461 ri->ri_data_maps[i] = NULL; 4462 } 4463 } 4464 free(ri->ri_data_maps, M_DEVBUF); 4465 ri->ri_data_maps = NULL; 4466 } 4467 if (ri->ri_data_tag != NULL) { 4468 bus_dma_tag_destroy(ri->ri_data_tag); 4469 ri->ri_data_tag = NULL; 4470 } 4471 4472 /* Release the DMA memory and tag for the ring descriptors. */ 4473 if (ri->ri_dma_addr != 0) { 4474 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 4475 ri->ri_dma_addr = 0; 4476 } 4477 if (ri->ri_descs != NULL) { 4478 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 4479 ri->ri_ring_map = NULL; 4480 ri->ri_descs = NULL; 4481 } 4482 if (ri->ri_ring_tag != NULL) { 4483 bus_dma_tag_destroy(ri->ri_ring_tag); 4484 ri->ri_ring_tag = NULL; 4485 } 4486} 4487 4488/* Allocate memory for a single descriptor ring. */ 4489static int 4490tulip_busdma_allocring(device_t dev, tulip_softc_t * const sc, size_t count, 4491 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name) 4492{ 4493 size_t size; 4494 int error, i; 4495 4496 /* First, setup a tag. */ 4497 ri->ri_max = count; 4498 size = count * sizeof(tulip_desc_t); 4499 error = bus_dma_tag_create(bus_get_dma_tag(dev), 4500 32, 0, BUS_SPACE_MAXADDR_32BIT, 4501 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL, 4502 &ri->ri_ring_tag); 4503 if (error) { 4504 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 4505 name); 4506 return (error); 4507 } 4508 4509 /* Next, allocate memory for the descriptors. */ 4510 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 4511 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 4512 if (error) { 4513 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 4514 name); 4515 return (error); 4516 } 4517 4518 /* Map the descriptors. */ 4519 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 4520 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 4521 if (error) { 4522 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 4523 name); 4524 return (error); 4525 } 4526 4527 /* Allocate a tag for the data buffers. */ 4528 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0, 4529 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4530 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, NULL, NULL, &ri->ri_data_tag); 4531 if (error) { 4532 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 4533 return (error); 4534 } 4535 4536 /* Allocate maps for the data buffers. */ 4537 ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 4538 M_WAITOK | M_ZERO); 4539 for (i = 0; i < count; i++) { 4540 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 4541 if (error) { 4542 device_printf(dev, "failed to create map for %s buffer %d\n", 4543 name, i); 4544 return (error); 4545 } 4546 } 4547 4548 return (0); 4549} 4550 4551/* Release busdma maps, tags, and memory. */ 4552static void 4553tulip_busdma_cleanup(tulip_softc_t * const sc) 4554{ 4555 4556 /* Release resources for the setup descriptor. */ 4557 if (sc->tulip_setup_dma_addr != 0) { 4558 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 4559 sc->tulip_setup_dma_addr = 0; 4560 } 4561 if (sc->tulip_setupbuf != NULL) { 4562 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf, 4563 sc->tulip_setup_map); 4564 bus_dmamap_destroy(sc->tulip_setup_tag, sc->tulip_setup_map); 4565 sc->tulip_setup_map = NULL; 4566 sc->tulip_setupbuf = NULL; 4567 } 4568 if (sc->tulip_setup_tag != NULL) { 4569 bus_dma_tag_destroy(sc->tulip_setup_tag); 4570 sc->tulip_setup_tag = NULL; 4571 } 4572 4573 /* Release the transmit ring. */ 4574 tulip_busdma_freering(&sc->tulip_txinfo); 4575 4576 /* Release the receive ring. */ 4577 tulip_busdma_freering(&sc->tulip_rxinfo); 4578} 4579 4580static int 4581tulip_busdma_init(device_t dev, tulip_softc_t * const sc) 4582{ 4583 int error; 4584 4585 /* 4586 * Allocate space and dmamap for transmit ring. 4587 */ 4588 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG, 4589 &sc->tulip_txinfo, "transmit"); 4590 if (error) 4591 return (error); 4592 4593 /* 4594 * Allocate space and dmamap for receive ring. We tell bus_dma that 4595 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4596 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4597 * a waste in practice though as an ethernet frame can easily fit 4598 * in TULIP_RX_BUFLEN bytes. 4599 */ 4600 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1, 4601 &sc->tulip_rxinfo, "receive"); 4602 if (error) 4603 return (error); 4604 4605 /* 4606 * Allocate a DMA tag, memory, and map for setup descriptor 4607 */ 4608 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0, 4609 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4610 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4611 NULL, NULL, &sc->tulip_setup_tag); 4612 if (error) { 4613 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4614 return (error); 4615 } 4616 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4617 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4618 if (error) { 4619 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4620 return (error); 4621 } 4622 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4623 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4624 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4625 if (error) { 4626 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4627 return (error); 4628 } 4629 4630 return error; 4631} 4632 4633static void 4634tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base, 4635 size_t csr_size) 4636{ 4637 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4638 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4639 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4640 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4641 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4642 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4643 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4644 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4645 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4646 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4647 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4648 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4649 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4650 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4651 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4652 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4653} 4654 4655static int 4656tulip_initring( 4657 device_t dev, 4658 tulip_softc_t * const sc, 4659 tulip_ringinfo_t * const ri, 4660 int ndescs) 4661{ 4662 int i; 4663 4664 ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4665 M_WAITOK | M_ZERO); 4666 for (i = 0; i < ndescs; i++) { 4667 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4668 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4669 } 4670 ri->ri_first = ri->ri_descinfo; 4671 ri->ri_max = ndescs; 4672 ri->ri_last = ri->ri_first + ri->ri_max; 4673 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4674 ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING; 4675 return (0); 4676} 4677 4678/* 4679 * This is the PCI configuration support. 4680 */ 4681 4682#define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4683#define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4684#define PCI_CFDA 0x40 /* Configuration Driver Area */ 4685 4686static int 4687tulip_pci_probe(device_t dev) 4688{ 4689 const char *name = NULL; 4690 4691 if (pci_get_vendor(dev) != DEC_VENDORID) 4692 return ENXIO; 4693 4694 /* 4695 * Some LanMedia WAN cards use the Tulip chip, but they have 4696 * their own driver, and we should not recognize them 4697 */ 4698 if (pci_get_subvendor(dev) == 0x1376) 4699 return ENXIO; 4700 4701 switch (pci_get_device(dev)) { 4702 case CHIPID_21040: 4703 name = "Digital 21040 Ethernet"; 4704 break; 4705 case CHIPID_21041: 4706 name = "Digital 21041 Ethernet"; 4707 break; 4708 case CHIPID_21140: 4709 if (pci_get_revid(dev) >= 0x20) 4710 name = "Digital 21140A Fast Ethernet"; 4711 else 4712 name = "Digital 21140 Fast Ethernet"; 4713 break; 4714#ifndef __HAIKU__ 4715 /* 4716 * The card with the same id is supported by if_dc - screen it to 4717 * prevent duplicated dev entries. 4718 */ 4719 case CHIPID_21142: 4720 if (pci_get_revid(dev) >= 0x20) 4721 name = "Digital 21143 Fast Ethernet"; 4722 else 4723 name = "Digital 21142 Fast Ethernet"; 4724 break; 4725#endif 4726 } 4727 if (name) { 4728 device_set_desc(dev, name); 4729 return BUS_PROBE_LOW_PRIORITY; 4730 } 4731 return ENXIO; 4732} 4733 4734static int 4735tulip_shutdown(device_t dev) 4736{ 4737 tulip_softc_t * const sc = device_get_softc(dev); 4738 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4739 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4740 33MHz that comes to two microseconds but wait a 4741 bit longer anyways) */ 4742 return 0; 4743} 4744 4745static int 4746tulip_pci_attach(device_t dev) 4747{ 4748 tulip_softc_t *sc; 4749 int retval, idx; 4750 u_int32_t revinfo, cfdainfo; 4751 unsigned csroffset = TULIP_PCI_CSROFFSET; 4752 unsigned csrsize = TULIP_PCI_CSRSIZE; 4753 tulip_csrptr_t csr_base; 4754 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4755 struct resource *res; 4756 int rid, unit; 4757 4758 unit = device_get_unit(dev); 4759 4760 if (unit >= TULIP_MAX_DEVICES) { 4761 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4762 TULIP_MAX_DEVICES); 4763 return ENXIO; 4764 } 4765 4766 revinfo = pci_get_revid(dev); 4767 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4768 4769 /* turn busmaster on in case BIOS doesn't set it */ 4770 pci_enable_busmaster(dev); 4771 4772 if (pci_get_vendor(dev) == DEC_VENDORID) { 4773 if (pci_get_device(dev) == CHIPID_21040) 4774 chipid = TULIP_21040; 4775 else if (pci_get_device(dev) == CHIPID_21041) 4776 chipid = TULIP_21041; 4777 else if (pci_get_device(dev) == CHIPID_21140) 4778 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4779 else if (pci_get_device(dev) == CHIPID_21142) 4780 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4781 } 4782 if (chipid == TULIP_CHIPID_UNKNOWN) 4783 return ENXIO; 4784 4785 if (chipid == TULIP_21040 && revinfo < 0x20) { 4786 device_printf(dev, 4787 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4788 revinfo >> 4, revinfo & 0x0f); 4789 return ENXIO; 4790 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4791 device_printf(dev, 4792 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4793 revinfo >> 4, revinfo & 0x0f); 4794 return ENXIO; 4795 } 4796 4797 sc = device_get_softc(dev); 4798 sc->tulip_dev = dev; 4799 sc->tulip_pci_busno = pci_get_bus(dev); 4800 sc->tulip_pci_devno = pci_get_slot(dev); 4801 sc->tulip_chipid = chipid; 4802 sc->tulip_flags |= TULIP_DEVICEPROBE; 4803 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4804 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4805 if (chipid == TULIP_21140A && revinfo <= 0x22) 4806 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4807 if (chipid == TULIP_21140) 4808 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4809 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4810 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4811 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4812 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4813 if (chipid != TULIP_21041 || revinfo >= 0x20) 4814 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4815 if (chipid != TULIP_21041) 4816 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4817 if (chipid != TULIP_21041 && revinfo >= 0x20) 4818 sc->tulip_features |= TULIP_HAVE_SIA100; 4819 } 4820 4821 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4822 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4823 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4824 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4825 DELAY(11*1000); 4826 } 4827 4828 sc->tulip_unit = unit; 4829 sc->tulip_revinfo = revinfo; 4830#if defined(TULIP_IOMAPPED) 4831 rid = PCI_CBIO; 4832 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4833#else 4834 rid = PCI_CBMA; 4835 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4836#endif 4837 if (!res) 4838 return ENXIO; 4839 sc->tulip_csrs_bst = rman_get_bustag(res); 4840 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4841 csr_base = 0; 4842 4843 mtx_init(TULIP_MUTEX(sc), MTX_NETWORK_LOCK, device_get_nameunit(dev), 4844 MTX_DEF); 4845 callout_init_mtx(&sc->tulip_callout, TULIP_MUTEX(sc), 0); 4846 callout_init_mtx(&sc->tulip_stat_timer, TULIP_MUTEX(sc), 0); 4847 tulips[unit] = sc; 4848 4849 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4850 4851 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4852 device_printf(dev, "error initing bus_dma: %d\n", retval); 4853 tulip_busdma_cleanup(sc); 4854 mtx_destroy(TULIP_MUTEX(sc)); 4855 return ENXIO; 4856 } 4857 4858 retval = tulip_initring(dev, sc, &sc->tulip_rxinfo, TULIP_RXDESCS); 4859 if (retval == 0) 4860 retval = tulip_initring(dev, sc, &sc->tulip_txinfo, TULIP_TXDESCS); 4861 if (retval) { 4862 tulip_busdma_cleanup(sc); 4863 mtx_destroy(TULIP_MUTEX(sc)); 4864 return retval; 4865 } 4866 4867 /* 4868 * Make sure there won't be any interrupts or such... 4869 */ 4870 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4871 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4872 33MHz that comes to two microseconds but wait a 4873 bit longer anyways) */ 4874 4875 TULIP_LOCK(sc); 4876 retval = tulip_read_macaddr(sc); 4877 TULIP_UNLOCK(sc); 4878 if (retval < 0) { 4879 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4880 for (idx = 0; idx < 32; idx++) 4881 printf("%02x", sc->tulip_rombuf[idx]); 4882 printf("\n"); 4883 device_printf(dev, "%s%s pass %d.%d\n", 4884 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4885 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4886 device_printf(dev, "address unknown\n"); 4887 } else { 4888 void (*intr_rtn)(void *) = tulip_intr_normal; 4889 4890 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4891 intr_rtn = tulip_intr_shared; 4892 4893 tulip_attach(sc); 4894 4895 /* Setup interrupt last. */ 4896 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4897 void *ih; 4898 4899 rid = 0; 4900 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4901 RF_SHAREABLE | RF_ACTIVE); 4902 if (res == 0 || bus_setup_intr(dev, res, INTR_TYPE_NET | 4903 INTR_MPSAFE, NULL, intr_rtn, sc, &ih)) { 4904 device_printf(dev, "couldn't map interrupt\n"); 4905 tulip_busdma_cleanup(sc); 4906 ether_ifdetach(sc->tulip_ifp); 4907 if_free(sc->tulip_ifp); 4908 mtx_destroy(TULIP_MUTEX(sc)); 4909 return ENXIO; 4910 } 4911 } 4912 } 4913 return 0; 4914} 4915 4916static device_method_t tulip_pci_methods[] = { 4917 /* Device interface */ 4918 DEVMETHOD(device_probe, tulip_pci_probe), 4919 DEVMETHOD(device_attach, tulip_pci_attach), 4920 DEVMETHOD(device_shutdown, tulip_shutdown), 4921 { 0, 0 } 4922}; 4923 4924static driver_t tulip_pci_driver = { 4925 "de", 4926 tulip_pci_methods, 4927 sizeof(tulip_softc_t), 4928}; 4929 4930static devclass_t tulip_devclass; 4931 4932DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4933 4934#ifdef DDB 4935void tulip_dumpring(int unit, int ring); 4936void tulip_dumpdesc(int unit, int ring, int desc); 4937void tulip_status(int unit); 4938 4939void 4940tulip_dumpring(int unit, int ring) 4941{ 4942 tulip_softc_t *sc; 4943 tulip_ringinfo_t *ri; 4944 tulip_descinfo_t *di; 4945 4946 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4947 db_printf("invalid unit %d\n", unit); 4948 return; 4949 } 4950 sc = tulips[unit]; 4951 if (sc == NULL) { 4952 db_printf("unit %d not present\n", unit); 4953 return; 4954 } 4955 4956 switch (ring) { 4957 case 0: 4958 db_printf("receive ring:\n"); 4959 ri = &sc->tulip_rxinfo; 4960 break; 4961 case 1: 4962 db_printf("transmit ring:\n"); 4963 ri = &sc->tulip_txinfo; 4964 break; 4965 default: 4966 db_printf("invalid ring %d\n", ring); 4967 return; 4968 } 4969 4970 db_printf(" nextin: %td, nextout: %td, max: %d, free: %d\n", 4971 ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first, 4972 ri->ri_max, ri->ri_free); 4973 for (di = ri->ri_first; di != ri->ri_last; di++) { 4974 if (di->di_mbuf != NULL) 4975 db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first, 4976 di->di_mbuf); 4977 else if (di->di_desc->d_flag & TULIP_DFLAG_TxSETUPPKT) 4978 db_printf(" descriptor %td: setup packet\n", di - ri->ri_first); 4979 } 4980} 4981 4982void 4983tulip_dumpdesc(int unit, int ring, int desc) 4984{ 4985 tulip_softc_t *sc; 4986 tulip_ringinfo_t *ri; 4987 tulip_descinfo_t *di; 4988 char *s; 4989 4990 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4991 db_printf("invalid unit %d\n", unit); 4992 return; 4993 } 4994 sc = tulips[unit]; 4995 if (sc == NULL) { 4996 db_printf("unit %d not present\n", unit); 4997 return; 4998 } 4999 5000 switch (ring) { 5001 case 0: 5002 s = "receive"; 5003 ri = &sc->tulip_rxinfo; 5004 break; 5005 case 1: 5006 s = "transmit"; 5007 ri = &sc->tulip_txinfo; 5008 break; 5009 default: 5010 db_printf("invalid ring %d\n", ring); 5011 return; 5012 } 5013 5014 if (desc < 0 || desc >= ri->ri_max) { 5015 db_printf("invalid descriptor %d\n", desc); 5016 return; 5017 } 5018 5019 db_printf("%s descriptor %d:\n", s, desc); 5020 di = &ri->ri_first[desc]; 5021 db_printf(" mbuf: %p\n", di->di_mbuf); 5022 db_printf(" status: %08x flag: %03x\n", di->di_desc->d_status, 5023 di->di_desc->d_flag); 5024 db_printf(" addr1: %08x len1: %03x\n", di->di_desc->d_addr1, 5025 di->di_desc->d_length1); 5026 db_printf(" addr2: %08x len2: %03x\n", di->di_desc->d_addr2, 5027 di->di_desc->d_length2); 5028} 5029#endif 5030