if_de.c revision 330897
1/* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2/*- 3 * SPDX-License-Identifier: BSD-2-Clause-NetBSD 4 * 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 28 */ 29 30/* 31 * DEC 21040 PCI Ethernet Controller 32 * 33 * Written by Matt Thomas 34 * BPF support code stolen directly from if_ec.c 35 * 36 * This driver supports the DEC DE435 or any other PCI 37 * board which support 21040, 21041, or 21140 (mostly). 38 */ 39 40#include <sys/cdefs.h> 41__FBSDID("$FreeBSD: stable/11/sys/dev/de/if_de.c 330897 2018-03-14 03:19:51Z eadler $"); 42 43#define TULIP_HDR_DATA 44 45#include "opt_ddb.h" 46 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/endian.h> 50#include <sys/ktr.h> 51#include <sys/mbuf.h> 52#include <sys/socket.h> 53#include <sys/sockio.h> 54#include <sys/malloc.h> 55#include <sys/kernel.h> 56#include <sys/module.h> 57#include <sys/eventhandler.h> 58#include <machine/bus.h> 59#include <machine/bus_dma.h> 60#include <machine/resource.h> 61#include <sys/bus.h> 62#include <sys/rman.h> 63 64#include <net/if.h> 65#include <net/if_var.h> 66#include <net/if_arp.h> 67#include <net/ethernet.h> 68#include <net/if_media.h> 69#include <net/if_types.h> 70#include <net/if_dl.h> 71 72#include <net/bpf.h> 73 74#ifdef INET 75#include <netinet/in.h> 76#include <netinet/if_ether.h> 77#endif 78 79#include <vm/vm.h> 80 81#include <net/if_var.h> 82#include <vm/pmap.h> 83#include <dev/pci/pcivar.h> 84#include <dev/pci/pcireg.h> 85#include <dev/de/dc21040reg.h> 86 87#ifdef DDB 88#include <ddb/ddb.h> 89#endif 90 91/* 92 * Intel CPUs should use I/O mapped access. 93 */ 94#if defined(__i386__) 95#define TULIP_IOMAPPED 96#endif 97 98#if 0 99/* This enables KTR traces at KTR_DEV. */ 100#define KTR_TULIP KTR_DEV 101#else 102#define KTR_TULIP 0 103#endif 104 105#if 0 106/* 107 * This turns on all sort of debugging stuff and make the 108 * driver much larger. 109 */ 110#define TULIP_DEBUG 111#endif 112 113#if 0 114#define TULIP_PERFSTATS 115#endif 116 117#define TULIP_HZ 10 118 119#include <dev/de/if_devar.h> 120 121#define SYNC_NONE 0 122#define SYNC_RX 1 123#define SYNC_TX 2 124 125/* 126 * This module supports 127 * the DEC 21040 PCI Ethernet Controller. 128 * the DEC 21041 PCI Ethernet Controller. 129 * the DEC 21140 PCI Fast Ethernet Controller. 130 */ 131static void tulip_addr_filter(tulip_softc_t * const sc); 132static int tulip_ifmedia_change(struct ifnet * const ifp); 133static void tulip_ifmedia_status(struct ifnet * const ifp, 134 struct ifmediareq *req); 135static void tulip_init(void *); 136static void tulip_init_locked(tulip_softc_t * const sc); 137static void tulip_intr_shared(void *arg); 138static void tulip_intr_normal(void *arg); 139static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 140 const unsigned phyaddr); 141static int tulip_mii_map_abilities(tulip_softc_t * const sc, 142 unsigned abilities); 143static tulip_media_t 144 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 145static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 146 unsigned regno); 147static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 148 unsigned regno, unsigned data); 149static void tulip_reset(tulip_softc_t * const sc); 150static void tulip_rx_intr(tulip_softc_t * const sc); 151static int tulip_srom_decode(tulip_softc_t * const sc); 152static void tulip_start(struct ifnet *ifp); 153static void tulip_start_locked(tulip_softc_t * const sc); 154static struct mbuf * 155 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 156static void tulip_txput_setup(tulip_softc_t * const sc); 157static void tulip_watchdog(void *arg); 158struct mbuf * tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 159 int sync); 160static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 161static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 162 bus_size_t, int); 163 164static void 165tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 166{ 167 bus_addr_t *paddr; 168 169 if (error) 170 return; 171 172 paddr = arg; 173 *paddr = segs->ds_addr; 174} 175 176static void 177tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 178 bus_size_t mapsize, int error) 179{ 180 tulip_desc_t *desc; 181 182 if (error) 183 return; 184 185 desc = arg; 186 KASSERT(nseg == 1, ("too many DMA segments")); 187 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 188 189 desc->d_addr1 = segs[0].ds_addr & 0xffffffff; 190 desc->d_length1 = TULIP_RX_BUFLEN; 191#ifdef not_needed 192 /* These should already always be zero. */ 193 desc->d_addr2 = 0; 194 desc->d_length2 = 0; 195#endif 196} 197 198struct mbuf * 199tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 200{ 201 struct mbuf *m; 202 203 m = di->di_mbuf; 204 if (m != NULL) { 205 switch (sync) { 206 case SYNC_NONE: 207 break; 208 case SYNC_RX: 209 TULIP_RXMAP_POSTSYNC(ri, di); 210 break; 211 case SYNC_TX: 212 TULIP_TXMAP_POSTSYNC(ri, di); 213 break; 214 default: 215 panic("bad sync flag: %d", sync); 216 } 217 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 218 di->di_mbuf = NULL; 219 } 220 return (m); 221} 222 223static void 224tulip_timeout_callback(void *arg) 225{ 226 tulip_softc_t * const sc = arg; 227 228 TULIP_PERFSTART(timeout) 229 TULIP_LOCK_ASSERT(sc); 230 231 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 232 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 233 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 234 235 TULIP_PERFEND(timeout); 236} 237 238static void 239tulip_timeout(tulip_softc_t * const sc) 240{ 241 TULIP_LOCK_ASSERT(sc); 242 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 243 return; 244 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 245 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 246 tulip_timeout_callback, sc); 247} 248 249static int 250tulip_txprobe(tulip_softc_t * const sc) 251{ 252 struct mbuf *m; 253 u_char *enaddr; 254 255 /* 256 * Before we are sure this is the right media we need 257 * to send a small packet to make sure there's carrier. 258 * Strangely, BNC and AUI will "see" receive data if 259 * either is connected so the transmit is the only way 260 * to verify the connectivity. 261 */ 262 TULIP_LOCK_ASSERT(sc); 263 MGETHDR(m, M_NOWAIT, MT_DATA); 264 if (m == NULL) 265 return 0; 266 /* 267 * Construct a LLC TEST message which will point to ourselves. 268 */ 269 if (sc->tulip_ifp->if_input != NULL) 270 enaddr = IF_LLADDR(sc->tulip_ifp); 271 else 272 enaddr = sc->tulip_enaddr; 273 bcopy(enaddr, mtod(m, struct ether_header *)->ether_dhost, ETHER_ADDR_LEN); 274 bcopy(enaddr, mtod(m, struct ether_header *)->ether_shost, ETHER_ADDR_LEN); 275 mtod(m, struct ether_header *)->ether_type = htons(3); 276 mtod(m, unsigned char *)[14] = 0; 277 mtod(m, unsigned char *)[15] = 0; 278 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 279 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 280 /* 281 * send it! 282 */ 283 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 284 sc->tulip_intrmask |= TULIP_STS_TXINTR; 285 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 286 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 287 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 288 if ((m = tulip_txput(sc, m)) != NULL) 289 m_freem(m); 290 sc->tulip_probe.probe_txprobes++; 291 return 1; 292} 293 294static void 295tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 296{ 297 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 298 299 TULIP_LOCK_ASSERT(sc); 300 if (mi == NULL) 301 return; 302 303 /* 304 * If we are switching media, make sure we don't think there's 305 * any stale RX activity 306 */ 307 sc->tulip_flags &= ~TULIP_RXACT; 308 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 309 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 310 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 311 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 312 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 313 DELAY(50); 314 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 315 } else { 316 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 317 } 318 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 319 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 320#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 321 /* 322 * If the cmdmode bits don't match the currently operating mode, 323 * set the cmdmode appropriately and reset the chip. 324 */ 325 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 326 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 327 sc->tulip_cmdmode |= mi->mi_cmdmode; 328 tulip_reset(sc); 329 } 330 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 331 DELAY(10); 332 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 333 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 334 /* 335 * If the cmdmode bits don't match the currently operating mode, 336 * set the cmdmode appropriately and reset the chip. 337 */ 338 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 339 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 340 sc->tulip_cmdmode |= mi->mi_cmdmode; 341 tulip_reset(sc); 342 } 343 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 344 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 345 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 346 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 347 int idx; 348 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 349 const u_int8_t *dp; 350 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 351 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 352 DELAY(10); 353 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 354 } 355 sc->tulip_phyaddr = mi->mi_phyaddr; 356 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 357 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 358 DELAY(10); 359 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 360 } 361 } else { 362 for (idx = 0; idx < mi->mi_reset_length; idx++) { 363 DELAY(10); 364 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 365 } 366 sc->tulip_phyaddr = mi->mi_phyaddr; 367 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 368 DELAY(10); 369 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 370 } 371 } 372 if (sc->tulip_flags & TULIP_TRYNWAY) { 373 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 374 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 375 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 376 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 377 sc->tulip_flags &= ~TULIP_DIDNWAY; 378 if (TULIP_IS_MEDIA_FD(media)) 379 data |= PHYCTL_FULL_DUPLEX; 380 if (TULIP_IS_MEDIA_100MB(media)) 381 data |= PHYCTL_SELECT_100MB; 382 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 383 } 384 } 385} 386 387static void 388tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 389{ 390 TULIP_LOCK_ASSERT(sc); 391 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 392 sc->tulip_flags |= TULIP_PRINTLINKUP; 393 sc->tulip_flags |= TULIP_LINKUP; 394 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 395#if 0 /* XXX how does with work with ifmedia? */ 396 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 397 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) { 398 if (TULIP_CAN_MEDIA_FD(media) 399 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 400 media = TULIP_FD_MEDIA_OF(media); 401 } else { 402 if (TULIP_IS_MEDIA_FD(media) 403 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 404 media = TULIP_HD_MEDIA_OF(media); 405 } 406 } 407#endif 408 if (sc->tulip_media != media) { 409#ifdef TULIP_DEBUG 410 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 411#endif 412 sc->tulip_media = media; 413 sc->tulip_flags |= TULIP_PRINTMEDIA; 414 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 415 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 416 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 417 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 418 } 419 } 420 /* 421 * We could set probe_timeout to 0 but setting to 3000 puts this 422 * in one central place and the only matters is tulip_link is 423 * followed by a tulip_timeout. Therefore setting it should not 424 * result in aberrant behaviour. 425 */ 426 sc->tulip_probe_timeout = 3000; 427 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 428 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 429 if (sc->tulip_flags & TULIP_INRESET) { 430 tulip_media_set(sc, sc->tulip_media); 431 } else if (sc->tulip_probe_media != sc->tulip_media) { 432 /* 433 * No reason to change media if we have the right media. 434 */ 435 tulip_reset(sc); 436 } 437 tulip_init_locked(sc); 438} 439 440static void 441tulip_media_print(tulip_softc_t * const sc) 442{ 443 444 TULIP_LOCK_ASSERT(sc); 445 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 446 return; 447 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 448 device_printf(sc->tulip_dev, "enabling %s port\n", 449 tulip_mediums[sc->tulip_media]); 450 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 451 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 452 device_printf(sc->tulip_dev, "link up\n"); 453 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 454 } 455} 456 457#if defined(TULIP_DO_GPR_SENSE) 458static tulip_media_t 459tulip_21140_gpr_media_sense(tulip_softc_t * const sc) 460{ 461 struct ifnet *ifp sc->tulip_ifp; 462 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 463 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 464 tulip_media_t media; 465 466 TULIP_LOCK_ASSERT(sc); 467 468 /* 469 * If one of the media blocks contained a default media flag, 470 * use that. 471 */ 472 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 473 const tulip_media_info_t *mi; 474 /* 475 * Media is not supported (or is full-duplex). 476 */ 477 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 478 continue; 479 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 480 continue; 481 482 /* 483 * Remember the media is this is the "default" media. 484 */ 485 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 486 maybe_media = media; 487 488 /* 489 * No activity mask? Can't see if it is active if there's no mask. 490 */ 491 if (mi->mi_actmask == 0) 492 continue; 493 494 /* 495 * Does the activity data match? 496 */ 497 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 498 continue; 499 500#if defined(TULIP_DEBUG) 501 device_printf(sc->tulip_dev, "%s: %s: 0x%02x & 0x%02x == 0x%02x\n", 502 __func__, tulip_mediums[media], TULIP_CSR_READ(sc, csr_gp) & 0xFF, 503 mi->mi_actmask, mi->mi_actdata); 504#endif 505 /* 506 * It does! If this is the first media we detected, then 507 * remember this media. If isn't the first, then there were 508 * multiple matches which we equate to no match (since we don't 509 * which to select (if any). 510 */ 511 if (last_media == TULIP_MEDIA_UNKNOWN) { 512 last_media = media; 513 } else if (last_media != media) { 514 last_media = TULIP_MEDIA_UNKNOWN; 515 } 516 } 517 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 518} 519#endif /* TULIP_DO_GPR_SENSE */ 520 521static tulip_link_status_t 522tulip_media_link_monitor(tulip_softc_t * const sc) 523{ 524 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 525 tulip_link_status_t linkup = TULIP_LINK_DOWN; 526 527 TULIP_LOCK_ASSERT(sc); 528 if (mi == NULL) { 529#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 530 panic("tulip_media_link_monitor: %s: botch at line %d\n", 531 tulip_mediums[sc->tulip_media],__LINE__); 532#else 533 return TULIP_LINK_UNKNOWN; 534#endif 535 } 536 537 538 /* 539 * Have we seen some packets? If so, the link must be good. 540 */ 541 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 542 sc->tulip_flags &= ~TULIP_RXACT; 543 sc->tulip_probe_timeout = 3000; 544 return TULIP_LINK_UP; 545 } 546 547 sc->tulip_flags &= ~TULIP_RXACT; 548 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 549 u_int32_t status; 550 /* 551 * Read the PHY status register. 552 */ 553 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 554 if (status & PHYSTS_AUTONEG_DONE) { 555 /* 556 * If the PHY has completed autonegotiation, see the if the 557 * remote systems abilities have changed. If so, upgrade or 558 * downgrade as appropriate. 559 */ 560 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 561 abilities = (abilities << 6) & status; 562 if (abilities != sc->tulip_abilities) { 563#if defined(TULIP_DEBUG) 564 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 565 ifp->if_xname, sc->tulip_phyaddr, 566 sc->tulip_abilities, abilities); 567#endif 568 if (tulip_mii_map_abilities(sc, abilities)) { 569 tulip_linkup(sc, sc->tulip_probe_media); 570 return TULIP_LINK_UP; 571 } 572 /* 573 * if we had selected media because of autonegotiation, 574 * we need to probe for the new media. 575 */ 576 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 577 if (sc->tulip_flags & TULIP_DIDNWAY) 578 return TULIP_LINK_DOWN; 579 } 580 } 581 /* 582 * The link is now up. If was down, say its back up. 583 */ 584 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 585 linkup = TULIP_LINK_UP; 586 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 587 /* 588 * No activity sensor? Assume all's well. 589 */ 590 if (mi->mi_actmask == 0) 591 return TULIP_LINK_UNKNOWN; 592 /* 593 * Does the activity data match? 594 */ 595 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 596 linkup = TULIP_LINK_UP; 597 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 598 /* 599 * Assume non TP ok for now. 600 */ 601 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 602 return TULIP_LINK_UNKNOWN; 603 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 604 linkup = TULIP_LINK_UP; 605#if defined(TULIP_DEBUG) 606 if (sc->tulip_probe_timeout <= 0) 607 device_printf(sc->tulip_dev, "sia status = 0x%08x\n", 608 TULIP_CSR_READ(sc, csr_sia_status)); 609#endif 610 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 611 return TULIP_LINK_UNKNOWN; 612 } 613 /* 614 * We will wait for 3 seconds until the link goes into suspect mode. 615 */ 616 if (sc->tulip_flags & TULIP_LINKUP) { 617 if (linkup == TULIP_LINK_UP) 618 sc->tulip_probe_timeout = 3000; 619 if (sc->tulip_probe_timeout > 0) 620 return TULIP_LINK_UP; 621 622 sc->tulip_flags &= ~TULIP_LINKUP; 623 device_printf(sc->tulip_dev, "link down: cable problem?\n"); 624 } 625#if defined(TULIP_DEBUG) 626 sc->tulip_dbg.dbg_link_downed++; 627#endif 628 return TULIP_LINK_DOWN; 629} 630 631static void 632tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 633{ 634 635 TULIP_LOCK_ASSERT(sc); 636#if defined(TULIP_DEBUG) 637 sc->tulip_dbg.dbg_events[event]++; 638#endif 639 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 640 && event == TULIP_MEDIAPOLL_TIMER) { 641 switch (tulip_media_link_monitor(sc)) { 642 case TULIP_LINK_DOWN: { 643 /* 644 * Link Monitor failed. Probe for new media. 645 */ 646 event = TULIP_MEDIAPOLL_LINKFAIL; 647 break; 648 } 649 case TULIP_LINK_UP: { 650 /* 651 * Check again soon. 652 */ 653 tulip_timeout(sc); 654 return; 655 } 656 case TULIP_LINK_UNKNOWN: { 657 /* 658 * We can't tell so don't bother. 659 */ 660 return; 661 } 662 } 663 } 664 665 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 666 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 667 if (TULIP_DO_AUTOSENSE(sc)) { 668#if defined(TULIP_DEBUG) 669 sc->tulip_dbg.dbg_link_failures++; 670#endif 671 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 672 if (sc->tulip_ifp->if_flags & IFF_UP) 673 tulip_reset(sc); /* restart probe */ 674 } 675 return; 676 } 677#if defined(TULIP_DEBUG) 678 sc->tulip_dbg.dbg_link_pollintrs++; 679#endif 680 } 681 682 if (event == TULIP_MEDIAPOLL_START) { 683 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 684 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 685 return; 686 sc->tulip_probe_mediamask = 0; 687 sc->tulip_probe_passes = 0; 688#if defined(TULIP_DEBUG) 689 sc->tulip_dbg.dbg_media_probes++; 690#endif 691 /* 692 * If the SROM contained an explicit media to use, use it. 693 */ 694 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 695 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 696 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 697 /* 698 * connidx is defaulted to a media_unknown type. 699 */ 700 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 701 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 702 tulip_linkup(sc, sc->tulip_probe_media); 703 tulip_timeout(sc); 704 return; 705 } 706 707 if (sc->tulip_features & TULIP_HAVE_GPR) { 708 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 709 sc->tulip_probe_timeout = 2000; 710 } else { 711 sc->tulip_probe_media = TULIP_MEDIA_MAX; 712 sc->tulip_probe_timeout = 0; 713 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 714 } 715 } 716 717 /* 718 * Ignore txprobe failures or spurious callbacks. 719 */ 720 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 721 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 722 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 723 return; 724 } 725 726 /* 727 * If we really transmitted a packet, then that's the media we'll use. 728 */ 729 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 730 if (event == TULIP_MEDIAPOLL_LINKPASS) { 731 /* XXX Check media status just to be sure */ 732 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 733#if defined(TULIP_DEBUG) 734 } else { 735 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 736#endif 737 } 738 tulip_linkup(sc, sc->tulip_probe_media); 739 tulip_timeout(sc); 740 return; 741 } 742 743 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 744#if defined(TULIP_DO_GPR_SENSE) 745 /* 746 * Check for media via the general purpose register. 747 * 748 * Try to sense the media via the GPR. If the same value 749 * occurs 3 times in a row then just use that. 750 */ 751 if (sc->tulip_probe_timeout > 0) { 752 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 753#if defined(TULIP_DEBUG) 754 device_printf(sc->tulip_dev, "%s: gpr sensing = %s\n", __func__, 755 tulip_mediums[new_probe_media]); 756#endif 757 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 758 if (new_probe_media == sc->tulip_probe_media) { 759 if (--sc->tulip_probe_count == 0) 760 tulip_linkup(sc, sc->tulip_probe_media); 761 } else { 762 sc->tulip_probe_count = 10; 763 } 764 } 765 sc->tulip_probe_media = new_probe_media; 766 tulip_timeout(sc); 767 return; 768 } 769#endif /* TULIP_DO_GPR_SENSE */ 770 /* 771 * Brute force. We cycle through each of the media types 772 * and try to transmit a packet. 773 */ 774 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 775 sc->tulip_probe_media = TULIP_MEDIA_MAX; 776 sc->tulip_probe_timeout = 0; 777 tulip_timeout(sc); 778 return; 779 } 780 781 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 782 && (sc->tulip_features & TULIP_HAVE_MII)) { 783 tulip_media_t old_media = sc->tulip_probe_media; 784 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 785 switch (sc->tulip_probe_state) { 786 case TULIP_PROBE_FAILED: 787 case TULIP_PROBE_MEDIATEST: { 788 /* 789 * Try the next media. 790 */ 791 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 792 sc->tulip_probe_timeout = 0; 793#ifdef notyet 794 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 795 break; 796 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 797 break; 798 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 799#endif 800 break; 801 } 802 case TULIP_PROBE_PHYAUTONEG: { 803 return; 804 } 805 case TULIP_PROBE_INACTIVE: { 806 /* 807 * Only probe if we autonegotiated a media that hasn't failed. 808 */ 809 sc->tulip_probe_timeout = 0; 810 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 811 sc->tulip_probe_media = old_media; 812 break; 813 } 814 tulip_linkup(sc, sc->tulip_probe_media); 815 tulip_timeout(sc); 816 return; 817 } 818 default: { 819#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 820 panic("tulip_media_poll: botch at line %d\n", __LINE__); 821#endif 822 break; 823 } 824 } 825 } 826 827 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 828#if defined(TULIP_DEBUG) 829 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 830#endif 831 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 832 return; 833 } 834 835 /* 836 * switch to another media if we tried this one enough. 837 */ 838 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 839#if defined(TULIP_DEBUG) 840 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 841 device_printf(sc->tulip_dev, "poll media unknown!\n"); 842 sc->tulip_probe_media = TULIP_MEDIA_MAX; 843 } 844#endif 845 /* 846 * Find the next media type to check for. Full Duplex 847 * types are not allowed. 848 */ 849 do { 850 sc->tulip_probe_media -= 1; 851 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 852 if (++sc->tulip_probe_passes == 3) { 853 device_printf(sc->tulip_dev, 854 "autosense failed: cable problem?\n"); 855 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 856 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 857 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 858 return; 859 } 860 } 861 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 862 sc->tulip_probe_mediamask = 0; 863 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 864 } 865 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 866 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 867 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 868 869#if defined(TULIP_DEBUG) 870 device_printf(sc->tulip_dev, "%s: probing %s\n", 871 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 872 tulip_mediums[sc->tulip_probe_media]); 873#endif 874 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 875 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 876 sc->tulip_probe.probe_txprobes = 0; 877 tulip_reset(sc); 878 tulip_media_set(sc, sc->tulip_probe_media); 879 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 880 } 881 tulip_timeout(sc); 882 883 /* 884 * If this is hanging off a phy, we know are doing NWAY and we have 885 * forced the phy to a specific speed. Wait for link up before 886 * before sending a packet. 887 */ 888 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 889 case TULIP_MEDIAINFO_MII: { 890 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 891 return; 892 break; 893 } 894 case TULIP_MEDIAINFO_SIA: { 895 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 896 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 897 return; 898 tulip_linkup(sc, sc->tulip_probe_media); 899#ifdef notyet 900 if (sc->tulip_features & TULIP_HAVE_MII) 901 tulip_timeout(sc); 902#endif 903 return; 904 } 905 break; 906 } 907 case TULIP_MEDIAINFO_RESET: 908 case TULIP_MEDIAINFO_SYM: 909 case TULIP_MEDIAINFO_NONE: 910 case TULIP_MEDIAINFO_GPR: { 911 break; 912 } 913 } 914 /* 915 * Try to send a packet. 916 */ 917 tulip_txprobe(sc); 918} 919 920static void 921tulip_media_select(tulip_softc_t * const sc) 922{ 923 TULIP_LOCK_ASSERT(sc); 924 if (sc->tulip_features & TULIP_HAVE_GPR) { 925 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 926 DELAY(10); 927 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 928 } 929 /* 930 * If this board has no media, just return 931 */ 932 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 933 return; 934 935 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 936 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 937 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 938 } else { 939 tulip_media_set(sc, sc->tulip_media); 940 } 941} 942 943static void 944tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 945{ 946 TULIP_LOCK_ASSERT(sc); 947 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 948 |TULIP_CMD_BACKOFFCTR; 949 sc->tulip_ifp->if_baudrate = 10000000; 950 951 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 952 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 953 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 954 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 955 } 956 957 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 958 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 959 } 960 961 if (media == TULIP_MEDIA_UNKNOWN) { 962 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 963 } 964} 965 966static void 967tulip_21040_media_probe(tulip_softc_t * const sc) 968{ 969 TULIP_LOCK_ASSERT(sc); 970 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 971 return; 972} 973 974static void 975tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 976{ 977 TULIP_LOCK_ASSERT(sc); 978 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 979 tulip_media_set(sc, TULIP_MEDIA_10BASET); 980 sc->tulip_media = TULIP_MEDIA_10BASET; 981} 982 983static void 984tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 985{ 986 TULIP_LOCK_ASSERT(sc); 987 sc->tulip_flags |= TULIP_LINKUP; 988 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 989 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 990 sc->tulip_flags &= ~TULIP_SQETEST; 991 } else { 992 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 993 sc->tulip_flags |= TULIP_SQETEST; 994 } 995 tulip_media_set(sc, sc->tulip_media); 996} 997 998static void 999tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 1000{ 1001 TULIP_LOCK_ASSERT(sc); 1002 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1003 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1004 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1005 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1006} 1007 1008static void 1009tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 1010{ 1011 TULIP_LOCK_ASSERT(sc); 1012 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1013 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1014} 1015 1016static const tulip_boardsw_t tulip_21040_boardsw = { 1017 TULIP_21040_GENERIC, 1018 tulip_21040_media_probe, 1019 tulip_media_select, 1020 tulip_media_poll, 1021}; 1022 1023static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1024 TULIP_21040_GENERIC, 1025 tulip_21040_10baset_only_media_probe, 1026 tulip_21040_10baset_only_media_select, 1027 NULL, 1028}; 1029 1030static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1031 TULIP_21040_GENERIC, 1032 tulip_21040_auibnc_only_media_probe, 1033 tulip_21040_auibnc_only_media_select, 1034 NULL, 1035}; 1036 1037static void 1038tulip_21041_mediainfo_init(tulip_softc_t * const sc) 1039{ 1040 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1041 1042 TULIP_LOCK_ASSERT(sc); 1043#ifdef notyet 1044 if (sc->tulip_revinfo >= 0x20) { 1045 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1047 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1048 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1049 return; 1050 } 1051#endif 1052 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1053 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1054 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1055 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1056} 1057 1058static void 1059tulip_21041_media_probe(tulip_softc_t * const sc) 1060{ 1061 TULIP_LOCK_ASSERT(sc); 1062 sc->tulip_ifp->if_baudrate = 10000000; 1063 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1064 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1065 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1066 tulip_21041_mediainfo_init(sc); 1067} 1068 1069static void 1070tulip_21041_media_poll(tulip_softc_t * const sc, 1071 const tulip_mediapoll_event_t event) 1072{ 1073 u_int32_t sia_status; 1074 1075 TULIP_LOCK_ASSERT(sc); 1076#if defined(TULIP_DEBUG) 1077 sc->tulip_dbg.dbg_events[event]++; 1078#endif 1079 1080 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1081 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1082 || !TULIP_DO_AUTOSENSE(sc)) 1083 return; 1084 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1085 tulip_reset(sc); /* start probe */ 1086 return; 1087 } 1088 1089 /* 1090 * If we've been been asked to start a poll or link change interrupt 1091 * restart the probe (and reset the tulip to a known state). 1092 */ 1093 if (event == TULIP_MEDIAPOLL_START) { 1094 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1095 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1096#ifdef notyet 1097 if (sc->tulip_revinfo >= 0x20) { 1098 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1099 sc->tulip_flags |= TULIP_DIDNWAY; 1100 } 1101#endif 1102 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1103 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1104 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1105 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1106 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1107 tulip_timeout(sc); 1108 return; 1109 } 1110 1111 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1112 return; 1113 1114 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1115#if defined(TULIP_DEBUG) 1116 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1117#endif 1118 tulip_linkup(sc, sc->tulip_probe_media); 1119 return; 1120 } 1121 1122 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1123 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1124 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1125 if (sc->tulip_revinfo >= 0x20) { 1126 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1127 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1128 } 1129 /* 1130 * If the link has passed LinkPass, 10baseT is the 1131 * proper media to use. 1132 */ 1133 tulip_linkup(sc, sc->tulip_probe_media); 1134 return; 1135 } 1136 1137 /* 1138 * wait for up to 2.4 seconds for the link to reach pass state. 1139 * Only then start scanning the other media for activity. 1140 * choose media with receive activity over those without. 1141 */ 1142 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1143 if (event != TULIP_MEDIAPOLL_TIMER) 1144 return; 1145 if (sc->tulip_probe_timeout > 0 1146 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1147 tulip_timeout(sc); 1148 return; 1149 } 1150 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1151 sc->tulip_flags |= TULIP_WANTRXACT; 1152 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1153 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1154 } else { 1155 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1156 } 1157 tulip_media_set(sc, sc->tulip_probe_media); 1158 tulip_timeout(sc); 1159 return; 1160 } 1161 1162 /* 1163 * If we failed, clear the txprobe active flag. 1164 */ 1165 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1166 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1167 1168 1169 if (event == TULIP_MEDIAPOLL_TIMER) { 1170 /* 1171 * If we've received something, then that's our link! 1172 */ 1173 if (sc->tulip_flags & TULIP_RXACT) { 1174 tulip_linkup(sc, sc->tulip_probe_media); 1175 return; 1176 } 1177 /* 1178 * if no txprobe active 1179 */ 1180 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1181 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1182 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1183 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1184 tulip_txprobe(sc); 1185 tulip_timeout(sc); 1186 return; 1187 } 1188 /* 1189 * Take 2 passes through before deciding to not 1190 * wait for receive activity. Then take another 1191 * two passes before spitting out a warning. 1192 */ 1193 if (sc->tulip_probe_timeout <= 0) { 1194 if (sc->tulip_flags & TULIP_WANTRXACT) { 1195 sc->tulip_flags &= ~TULIP_WANTRXACT; 1196 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1197 } else { 1198 device_printf(sc->tulip_dev, 1199 "autosense failed: cable problem?\n"); 1200 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 1201 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1202 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1203 return; 1204 } 1205 } 1206 } 1207 } 1208 1209 /* 1210 * Since this media failed to probe, try the other one. 1211 */ 1212 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1213 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1214 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1215 } else { 1216 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1217 } 1218 tulip_media_set(sc, sc->tulip_probe_media); 1219 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1220 tulip_timeout(sc); 1221} 1222 1223static const tulip_boardsw_t tulip_21041_boardsw = { 1224 TULIP_21041_GENERIC, 1225 tulip_21041_media_probe, 1226 tulip_media_select, 1227 tulip_21041_media_poll 1228}; 1229 1230static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1231 { 0x20005c00, 0, /* 08-00-17 */ 1232 { 1233 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1234 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1235 }, 1236#if defined(TULIP_DEBUG) 1237 "NS DP83840", 1238#endif 1239 }, 1240 { 0x0281F400, 0, /* 00-A0-7D */ 1241 { 1242 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1243 { }, /* 100TX */ 1244 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1245 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1246 }, 1247#if defined(TULIP_DEBUG) 1248 "Seeq 80C240" 1249#endif 1250 }, 1251#if 0 1252 { 0x0015F420, 0, /* 00-A0-7D */ 1253 { 1254 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1255 { }, /* 100TX */ 1256 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1257 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1258 }, 1259#if defined(TULIP_DEBUG) 1260 "Broadcom BCM5000" 1261#endif 1262 }, 1263#endif 1264 { 0x0281F400, 0, /* 00-A0-BE */ 1265 { 1266 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1267 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1268 { }, /* 100T4 */ 1269 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1270 }, 1271#if defined(TULIP_DEBUG) 1272 "ICS 1890" 1273#endif 1274 }, 1275 { 0 } 1276}; 1277 1278static tulip_media_t 1279tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1280{ 1281 const tulip_phy_attr_t *attr; 1282 u_int16_t data; 1283 u_int32_t id; 1284 unsigned idx = 0; 1285 static const tulip_media_t table[] = { 1286 TULIP_MEDIA_UNKNOWN, 1287 TULIP_MEDIA_10BASET, 1288 TULIP_MEDIA_100BASETX, 1289 TULIP_MEDIA_100BASET4, 1290 TULIP_MEDIA_UNKNOWN, 1291 TULIP_MEDIA_10BASET_FD, 1292 TULIP_MEDIA_100BASETX_FD, 1293 TULIP_MEDIA_UNKNOWN 1294 }; 1295 1296 TULIP_LOCK_ASSERT(sc); 1297 1298 /* 1299 * Don't read phy specific registers if link is not up. 1300 */ 1301 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1302 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1303 return TULIP_MEDIA_UNKNOWN; 1304 1305 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1306 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1307 for (attr = tulip_mii_phy_attrlist;; attr++) { 1308 if (attr->attr_id == 0) 1309 return TULIP_MEDIA_UNKNOWN; 1310 if ((id & ~0x0F) == attr->attr_id) 1311 break; 1312 } 1313 1314 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1315 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1316 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1317 if ((data & pm->pm_mask) == pm->pm_value) 1318 idx = 2; 1319 } 1320 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1321 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1322 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1323 if ((data & pm->pm_mask) == pm->pm_value) 1324 idx = 3; 1325 } 1326 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1327 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1328 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1329 if ((data & pm->pm_mask) == pm->pm_value) 1330 idx = 1; 1331 } 1332 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1333 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1334 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1335 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1336 } 1337 return table[idx]; 1338} 1339 1340static unsigned 1341tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1342{ 1343 unsigned phyaddr; 1344 1345 TULIP_LOCK_ASSERT(sc); 1346 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1347 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1348 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1349 continue; 1350 if (offset == 0) 1351 return phyaddr; 1352 offset--; 1353 } 1354 if (offset == 0) { 1355 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1356 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1357 return TULIP_MII_NOPHY; 1358 return 0; 1359 } 1360 return TULIP_MII_NOPHY; 1361} 1362 1363static int 1364tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1365{ 1366 TULIP_LOCK_ASSERT(sc); 1367 sc->tulip_abilities = abilities; 1368 if (abilities & PHYSTS_100BASETX_FD) { 1369 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1370 } else if (abilities & PHYSTS_100BASET4) { 1371 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1372 } else if (abilities & PHYSTS_100BASETX) { 1373 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1374 } else if (abilities & PHYSTS_10BASET_FD) { 1375 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1376 } else if (abilities & PHYSTS_10BASET) { 1377 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1378 } else { 1379 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1380 return 0; 1381 } 1382 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1383 return 1; 1384} 1385 1386static void 1387tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1388{ 1389 struct ifnet *ifp = sc->tulip_ifp; 1390 1391 TULIP_LOCK_ASSERT(sc); 1392 switch (sc->tulip_probe_state) { 1393 case TULIP_PROBE_MEDIATEST: 1394 case TULIP_PROBE_INACTIVE: { 1395 sc->tulip_flags |= TULIP_DIDNWAY; 1396 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1397 sc->tulip_probe_timeout = 3000; 1398 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1399 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1400 } 1401 /* FALLTHROUGH */ 1402 case TULIP_PROBE_PHYRESET: { 1403 u_int32_t status; 1404 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1405 if (data & PHYCTL_RESET) { 1406 if (sc->tulip_probe_timeout > 0) { 1407 tulip_timeout(sc); 1408 return; 1409 } 1410 printf("%s(phy%d): error: reset of PHY never completed!\n", 1411 ifp->if_xname, phyaddr); 1412 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1413 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1414 sc->tulip_ifp->if_flags &= ~IFF_UP; 1415 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1416 return; 1417 } 1418 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1419 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1420#if defined(TULIP_DEBUG) 1421 loudprintf("%s(phy%d): autonegotiation disabled\n", 1422 ifp->if_xname, phyaddr); 1423#endif 1424 sc->tulip_flags &= ~TULIP_DIDNWAY; 1425 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1426 return; 1427 } 1428 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1429 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1430 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1431 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1432#if defined(TULIP_DEBUG) 1433 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1434 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1435 ifp->if_xname, phyaddr, data); 1436 else 1437 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1438 ifp->if_xname, phyaddr, data); 1439 sc->tulip_dbg.dbg_nway_starts++; 1440#endif 1441 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1442 sc->tulip_probe_timeout = 3000; 1443 } 1444 /* FALLTHROUGH */ 1445 case TULIP_PROBE_PHYAUTONEG: { 1446 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1447 u_int32_t data; 1448 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1449 if (sc->tulip_probe_timeout > 0) { 1450 tulip_timeout(sc); 1451 return; 1452 } 1453#if defined(TULIP_DEBUG) 1454 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1455 ifp->if_xname, phyaddr, status, 1456 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1457#endif 1458 sc->tulip_flags &= ~TULIP_DIDNWAY; 1459 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1460 return; 1461 } 1462 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1463#if defined(TULIP_DEBUG) 1464 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1465 ifp->if_xname, phyaddr, data); 1466#endif 1467 data = (data << 6) & status; 1468 if (!tulip_mii_map_abilities(sc, data)) 1469 sc->tulip_flags &= ~TULIP_DIDNWAY; 1470 return; 1471 } 1472 default: { 1473#if defined(DIAGNOSTIC) 1474 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1475#endif 1476 break; 1477 } 1478 } 1479#if defined(TULIP_DEBUG) 1480 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1481 ifp->if_xname, phyaddr, sc->tulip_probe_state); 1482 sc->tulip_dbg.dbg_nway_failures++; 1483#endif 1484} 1485 1486static void 1487tulip_2114x_media_preset(tulip_softc_t * const sc) 1488{ 1489 const tulip_media_info_t *mi = NULL; 1490 tulip_media_t media = sc->tulip_media; 1491 1492 TULIP_LOCK_ASSERT(sc); 1493 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1494 media = sc->tulip_media; 1495 else 1496 media = sc->tulip_probe_media; 1497 1498 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1499 sc->tulip_flags &= ~TULIP_SQETEST; 1500 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1501#if defined(TULIP_DEBUG) 1502 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1503#endif 1504 mi = sc->tulip_mediums[media]; 1505 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1506 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1507 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1508 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1509 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1510 sc->tulip_cmdmode |= mi->mi_cmdmode; 1511 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1512 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1513 } 1514#if defined(TULIP_DEBUG) 1515 } else { 1516 device_printf(sc->tulip_dev, "preset: bad media %d!\n", media); 1517 } 1518#endif 1519 } 1520 switch (media) { 1521 case TULIP_MEDIA_BNC: 1522 case TULIP_MEDIA_AUI: 1523 case TULIP_MEDIA_10BASET: { 1524 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1525 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1526 sc->tulip_ifp->if_baudrate = 10000000; 1527 sc->tulip_flags |= TULIP_SQETEST; 1528 break; 1529 } 1530 case TULIP_MEDIA_10BASET_FD: { 1531 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1532 sc->tulip_ifp->if_baudrate = 10000000; 1533 break; 1534 } 1535 case TULIP_MEDIA_100BASEFX: 1536 case TULIP_MEDIA_100BASET4: 1537 case TULIP_MEDIA_100BASETX: { 1538 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1539 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1540 sc->tulip_ifp->if_baudrate = 100000000; 1541 break; 1542 } 1543 case TULIP_MEDIA_100BASEFX_FD: 1544 case TULIP_MEDIA_100BASETX_FD: { 1545 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1546 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1547 sc->tulip_ifp->if_baudrate = 100000000; 1548 break; 1549 } 1550 default: { 1551 break; 1552 } 1553 } 1554 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1555} 1556 1557/* 1558 ******************************************************************** 1559 * Start of 21140/21140A support which does not use the MII interface 1560 */ 1561 1562static void 1563tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1564{ 1565#if defined(TULIP_DEBUG) 1566 sc->tulip_dbg.dbg_events[event]++; 1567#endif 1568#if defined(DIAGNOSTIC) 1569 device_printf(sc->tulip_dev, "botch(media_poll) at line %d\n", __LINE__); 1570#endif 1571} 1572 1573static inline void 1574tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1575 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1576{ 1577 TULIP_LOCK_ASSERT(sc); 1578 sc->tulip_mediums[media] = mip; 1579 mip->mi_type = TULIP_MEDIAINFO_GPR; 1580 mip->mi_cmdmode = cmdmode; 1581 mip->mi_gpdata = gpdata; 1582} 1583 1584static void 1585tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1586{ 1587 tulip_media_info_t *mip = sc->tulip_mediainfo; 1588 1589 TULIP_LOCK_ASSERT(sc); 1590 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1591 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1592 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1593 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1594 TULIP_CSR_WRITE(sc, csr_command, 1595 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1596 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1597 TULIP_CSR_WRITE(sc, csr_command, 1598 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1599 DELAY(1000000); 1600 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1601 sc->tulip_media = TULIP_MEDIA_10BASET; 1602 } else { 1603 sc->tulip_media = TULIP_MEDIA_100BASETX; 1604 } 1605 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1606 TULIP_GP_EB_INIT, 1607 TULIP_CMD_TXTHRSHLDCTL); 1608 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1609 TULIP_GP_EB_INIT, 1610 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1612 TULIP_GP_EB_INIT, 1613 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1614 |TULIP_CMD_SCRAMBLER); 1615 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1616 TULIP_GP_EB_INIT, 1617 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1618 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1619} 1620 1621static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1622 TULIP_21140_DEC_EB, 1623 tulip_21140_evalboard_media_probe, 1624 tulip_media_select, 1625 tulip_null_media_poll, 1626 tulip_2114x_media_preset, 1627}; 1628 1629static void 1630tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1631{ 1632 tulip_media_info_t *mip = sc->tulip_mediainfo; 1633 unsigned gpdata; 1634 1635 TULIP_LOCK_ASSERT(sc); 1636 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1637 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1638 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1639 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1640 TULIP_CSR_WRITE(sc, csr_command, 1641 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1642 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1643 TULIP_CSR_WRITE(sc, csr_command, 1644 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1645 DELAY(1000000); 1646 gpdata = TULIP_CSR_READ(sc, csr_gp); 1647 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1648 sc->tulip_media = TULIP_MEDIA_10BASET; 1649 } else { 1650 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1651 sc->tulip_media = TULIP_MEDIA_BNC; 1652 } else { 1653 sc->tulip_media = TULIP_MEDIA_100BASETX; 1654 } 1655 } 1656 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1657 TULIP_GP_EN1207_BNC_INIT, 1658 TULIP_CMD_TXTHRSHLDCTL); 1659 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1660 TULIP_GP_EN1207_UTP_INIT, 1661 TULIP_CMD_TXTHRSHLDCTL); 1662 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1663 TULIP_GP_EN1207_UTP_INIT, 1664 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1665 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1666 TULIP_GP_EN1207_100_INIT, 1667 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1668 |TULIP_CMD_SCRAMBLER); 1669 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1670 TULIP_GP_EN1207_100_INIT, 1671 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1672 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1673} 1674 1675static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1676 TULIP_21140_EN1207, 1677 tulip_21140_accton_media_probe, 1678 tulip_media_select, 1679 tulip_null_media_poll, 1680 tulip_2114x_media_preset, 1681}; 1682 1683static void 1684tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1685{ 1686 tulip_media_info_t *mip = sc->tulip_mediainfo; 1687 int idx, cnt = 0; 1688 1689 TULIP_LOCK_ASSERT(sc); 1690 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1691 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1692 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1693 33MHz that comes to two microseconds but wait a 1694 bit longer anyways) */ 1695 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1696 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1697 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1698 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1699 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1700 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1701 DELAY(200000); 1702 for (idx = 1000; idx > 0; idx--) { 1703 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1704 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1705 if (++cnt > 100) 1706 break; 1707 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1708 break; 1709 } else { 1710 cnt = 0; 1711 } 1712 DELAY(1000); 1713 } 1714 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1715 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1716 TULIP_GP_SMC_9332_INIT, 1717 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1718 |TULIP_CMD_SCRAMBLER); 1719 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1720 TULIP_GP_SMC_9332_INIT, 1721 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1722 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1723 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1724 TULIP_GP_SMC_9332_INIT, 1725 TULIP_CMD_TXTHRSHLDCTL); 1726 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1727 TULIP_GP_SMC_9332_INIT, 1728 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1729} 1730 1731static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1732 TULIP_21140_SMC_9332, 1733 tulip_21140_smc9332_media_probe, 1734 tulip_media_select, 1735 tulip_null_media_poll, 1736 tulip_2114x_media_preset, 1737}; 1738 1739static void 1740tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1741{ 1742 tulip_media_info_t *mip = sc->tulip_mediainfo; 1743 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1744 1745 TULIP_LOCK_ASSERT(sc); 1746 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1747 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1748 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1749 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1750 1751 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1752 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1753 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1754 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1755 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1756 1757 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1758 TULIP_GP_EM100_INIT, 1759 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1760 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1761 TULIP_GP_EM100_INIT, 1762 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1763 |TULIP_CMD_FULLDUPLEX); 1764 } else { 1765 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1766 sc->tulip_media = TULIP_MEDIA_100BASETX; 1767 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1768 TULIP_GP_EM100_INIT, 1769 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1770 |TULIP_CMD_SCRAMBLER); 1771 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1772 TULIP_GP_EM100_INIT, 1773 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1774 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1775 } 1776} 1777 1778static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1779 TULIP_21140_COGENT_EM100, 1780 tulip_21140_cogent_em100_media_probe, 1781 tulip_media_select, 1782 tulip_null_media_poll, 1783 tulip_2114x_media_preset 1784}; 1785 1786static void 1787tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1788{ 1789 tulip_media_info_t *mip = sc->tulip_mediainfo; 1790 int cnt10 = 0, cnt100 = 0, idx; 1791 1792 TULIP_LOCK_ASSERT(sc); 1793 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1794 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1795 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1796 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1797 TULIP_CSR_WRITE(sc, csr_command, 1798 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1799 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1800 TULIP_CSR_WRITE(sc, csr_command, 1801 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1802 1803 DELAY(200000); 1804 for (idx = 1000; idx > 0; idx--) { 1805 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1806 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) { 1807 if (++cnt100 > 100) 1808 break; 1809 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1810 if (++cnt10 > 100) 1811 break; 1812 } else { 1813 cnt10 = 0; 1814 cnt100 = 0; 1815 } 1816 DELAY(1000); 1817 } 1818 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1819 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1820 TULIP_GP_ZX34X_INIT, 1821 TULIP_CMD_TXTHRSHLDCTL); 1822 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1823 TULIP_GP_ZX34X_INIT, 1824 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1825 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1826 TULIP_GP_ZX34X_INIT, 1827 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1828 |TULIP_CMD_SCRAMBLER); 1829 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1830 TULIP_GP_ZX34X_INIT, 1831 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1832 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1833} 1834 1835static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1836 TULIP_21140_ZNYX_ZX34X, 1837 tulip_21140_znyx_zx34x_media_probe, 1838 tulip_media_select, 1839 tulip_null_media_poll, 1840 tulip_2114x_media_preset, 1841}; 1842 1843static void 1844tulip_2114x_media_probe(tulip_softc_t * const sc) 1845{ 1846 TULIP_LOCK_ASSERT(sc); 1847 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1848 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1849} 1850 1851static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1852 TULIP_21140_ISV, 1853 tulip_2114x_media_probe, 1854 tulip_media_select, 1855 tulip_media_poll, 1856 tulip_2114x_media_preset, 1857}; 1858 1859/* 1860 * ******** END of chip-specific handlers. *********** 1861 */ 1862 1863/* 1864 * Code the read the SROM and MII bit streams (I2C) 1865 */ 1866#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1867 1868static void 1869tulip_srom_idle(tulip_softc_t * const sc) 1870{ 1871 unsigned bit, csr; 1872 1873 csr = SROMSEL ; EMIT; 1874 csr = SROMSEL | SROMRD; EMIT; 1875 csr ^= SROMCS; EMIT; 1876 csr ^= SROMCLKON; EMIT; 1877 1878 /* 1879 * Write 25 cycles of 0 which will force the SROM to be idle. 1880 */ 1881 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1882 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1883 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1884 } 1885 csr ^= SROMCLKOFF; EMIT; 1886 csr ^= SROMCS; EMIT; 1887 csr = 0; EMIT; 1888} 1889 1890static void 1891tulip_srom_read(tulip_softc_t * const sc) 1892{ 1893 unsigned idx; 1894 const unsigned bitwidth = SROM_BITWIDTH; 1895 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1896 const unsigned msb = 1 << (bitwidth + 3 - 1); 1897 unsigned lastidx = (1 << bitwidth) - 1; 1898 1899 tulip_srom_idle(sc); 1900 1901 for (idx = 0; idx <= lastidx; idx++) { 1902 unsigned lastbit, data, bits, bit, csr; 1903 csr = SROMSEL ; EMIT; 1904 csr = SROMSEL | SROMRD; EMIT; 1905 csr ^= SROMCSON; EMIT; 1906 csr ^= SROMCLKON; EMIT; 1907 1908 lastbit = 0; 1909 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1910 const unsigned thisbit = bits & msb; 1911 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1912 if (thisbit != lastbit) { 1913 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1914 } else { 1915 EMIT; 1916 } 1917 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1918 lastbit = thisbit; 1919 } 1920 csr ^= SROMCLKOFF; EMIT; 1921 1922 for (data = 0, bits = 0; bits < 16; bits++) { 1923 data <<= 1; 1924 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1925 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1926 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1927 } 1928 sc->tulip_rombuf[idx*2] = data & 0xFF; 1929 sc->tulip_rombuf[idx*2+1] = data >> 8; 1930 csr = SROMSEL | SROMRD; EMIT; 1931 csr = 0; EMIT; 1932 } 1933 tulip_srom_idle(sc); 1934} 1935 1936#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1937 1938static void 1939tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1940{ 1941 unsigned msb = 1 << (bits - 1); 1942 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1943 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1944 1945 TULIP_LOCK_ASSERT(sc); 1946 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1947 1948 for (; bits > 0; bits--, data <<= 1) { 1949 const unsigned thisbit = data & msb; 1950 if (thisbit != lastbit) { 1951 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1952 } 1953 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1954 lastbit = thisbit; 1955 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1956 } 1957} 1958 1959static void 1960tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1961{ 1962 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1963 1964 TULIP_LOCK_ASSERT(sc); 1965 if (cmd == MII_WRCMD) { 1966 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1967 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1968 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1969 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1970 } else { 1971 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1972 } 1973 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1974 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1975} 1976 1977static unsigned 1978tulip_mii_readbits(tulip_softc_t * const sc) 1979{ 1980 unsigned data; 1981 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1982 int idx; 1983 1984 TULIP_LOCK_ASSERT(sc); 1985 for (idx = 0, data = 0; idx < 16; idx++) { 1986 data <<= 1; /* this is NOOP on the first pass through */ 1987 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1988 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1989 data |= 1; 1990 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1991 } 1992 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1993 1994 return data; 1995} 1996 1997static unsigned 1998tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1999{ 2000 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2001 unsigned data; 2002 2003 TULIP_LOCK_ASSERT(sc); 2004 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2005 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2006 tulip_mii_writebits(sc, MII_RDCMD, 8); 2007 tulip_mii_writebits(sc, devaddr, 5); 2008 tulip_mii_writebits(sc, regno, 5); 2009 tulip_mii_turnaround(sc, MII_RDCMD); 2010 2011 data = tulip_mii_readbits(sc); 2012#if defined(TULIP_DEBUG) 2013 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2014 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2015#endif 2016 return data; 2017} 2018 2019static void 2020tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 2021 unsigned data) 2022{ 2023 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2024 2025 TULIP_LOCK_ASSERT(sc); 2026 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2027 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2028 tulip_mii_writebits(sc, MII_WRCMD, 8); 2029 tulip_mii_writebits(sc, devaddr, 5); 2030 tulip_mii_writebits(sc, regno, 5); 2031 tulip_mii_turnaround(sc, MII_WRCMD); 2032 tulip_mii_writebits(sc, data, 16); 2033#if defined(TULIP_DEBUG) 2034 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2035 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2036#endif 2037} 2038 2039#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2040#define tulip_srom_crcok(databuf) ( \ 2041 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2042 ((databuf)[126] | ((databuf)[127] << 8))) 2043 2044static void 2045tulip_identify_dec_nic(tulip_softc_t * const sc) 2046{ 2047 TULIP_LOCK_ASSERT(sc); 2048 strcpy(sc->tulip_boardid, "DEC "); 2049#define D0 4 2050 if (sc->tulip_chipid <= TULIP_21040) 2051 return; 2052 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2053 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2054 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2055 sc->tulip_boardid[D0+8] = ' '; 2056 } 2057#undef D0 2058} 2059 2060static void 2061tulip_identify_znyx_nic(tulip_softc_t * const sc) 2062{ 2063 unsigned id = 0; 2064 2065 TULIP_LOCK_ASSERT(sc); 2066 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2067 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2068 unsigned znyx_ptr; 2069 sc->tulip_boardid[8] = '4'; 2070 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2071 if (znyx_ptr < 26 || znyx_ptr > 116) { 2072 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2073 return; 2074 } 2075 /* ZX344 = 0010 .. 0013FF 2076 */ 2077 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2078 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2079 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2080 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2081 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2082 sc->tulip_boardid[9] = '2'; 2083 if (id == TULIP_ZNYX_ID_ZX342B) { 2084 sc->tulip_boardid[10] = 'B'; 2085 sc->tulip_boardid[11] = ' '; 2086 } 2087 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2088 } else if (id == TULIP_ZNYX_ID_ZX344) { 2089 sc->tulip_boardid[10] = '4'; 2090 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2091 } else if (id == TULIP_ZNYX_ID_ZX345) { 2092 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2093 } else if (id == TULIP_ZNYX_ID_ZX346) { 2094 sc->tulip_boardid[9] = '6'; 2095 } else if (id == TULIP_ZNYX_ID_ZX351) { 2096 sc->tulip_boardid[8] = '5'; 2097 sc->tulip_boardid[9] = '1'; 2098 } 2099 } 2100 if (id == 0) { 2101 /* 2102 * Assume it's a ZX342... 2103 */ 2104 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2105 } 2106 return; 2107 } 2108 sc->tulip_boardid[8] = '1'; 2109 if (sc->tulip_chipid == TULIP_21041) { 2110 sc->tulip_boardid[10] = '1'; 2111 return; 2112 } 2113 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2114 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2115 if (id == TULIP_ZNYX_ID_ZX312T) { 2116 sc->tulip_boardid[9] = '2'; 2117 sc->tulip_boardid[10] = 'T'; 2118 sc->tulip_boardid[11] = ' '; 2119 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2120 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2121 sc->tulip_boardid[9] = '4'; 2122 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2123 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2124 } else if (id == TULIP_ZNYX_ID_ZX314) { 2125 sc->tulip_boardid[9] = '4'; 2126 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2127 sc->tulip_features |= TULIP_HAVE_BASEROM; 2128 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2129 sc->tulip_boardid[9] = '5'; 2130 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2131 } else if (id == TULIP_ZNYX_ID_ZX315) { 2132 sc->tulip_boardid[9] = '5'; 2133 sc->tulip_features |= TULIP_HAVE_BASEROM; 2134 } else { 2135 id = 0; 2136 } 2137 } 2138 if (id == 0) { 2139 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2140 sc->tulip_boardid[9] = '4'; 2141 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2142 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2143 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2144 sc->tulip_boardid[9] = '5'; 2145 sc->tulip_boardsw = &tulip_21040_boardsw; 2146 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2147 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2148 sc->tulip_boardid[9] = '2'; 2149 sc->tulip_boardsw = &tulip_21040_boardsw; 2150 } 2151 } 2152} 2153 2154static void 2155tulip_identify_smc_nic(tulip_softc_t * const sc) 2156{ 2157 u_int32_t id1, id2, ei; 2158 int auibnc = 0, utp = 0; 2159 char *cp; 2160 2161 TULIP_LOCK_ASSERT(sc); 2162 strcpy(sc->tulip_boardid, "SMC "); 2163 if (sc->tulip_chipid == TULIP_21041) 2164 return; 2165 if (sc->tulip_chipid != TULIP_21040) { 2166 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2167 strcpy(&sc->tulip_boardid[4], "9332DST "); 2168 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2169 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2170 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2171 } else { 2172 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2173 } 2174 return; 2175 } 2176 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2177 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2178 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2179 2180 strcpy(&sc->tulip_boardid[4], "8432"); 2181 cp = &sc->tulip_boardid[8]; 2182 if ((id1 & 1) == 0) 2183 *cp++ = 'B', auibnc = 1; 2184 if ((id1 & 0xFF) > 0x32) 2185 *cp++ = 'T', utp = 1; 2186 if ((id1 & 0x4000) == 0) 2187 *cp++ = 'A', auibnc = 1; 2188 if (id2 == 0x15) { 2189 sc->tulip_boardid[7] = '4'; 2190 *cp++ = '-'; 2191 *cp++ = 'C'; 2192 *cp++ = 'H'; 2193 *cp++ = (ei ? '2' : '1'); 2194 } 2195 *cp++ = ' '; 2196 *cp = '\0'; 2197 if (utp && !auibnc) 2198 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2199 else if (!utp && auibnc) 2200 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2201} 2202 2203static void 2204tulip_identify_cogent_nic(tulip_softc_t * const sc) 2205{ 2206 TULIP_LOCK_ASSERT(sc); 2207 strcpy(sc->tulip_boardid, "Cogent "); 2208 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2209 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2210 strcat(sc->tulip_boardid, "EM100TX "); 2211 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2212#if defined(TULIP_COGENT_EM110TX_ID) 2213 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2214 strcat(sc->tulip_boardid, "EM110TX "); 2215 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2216#endif 2217 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2218 strcat(sc->tulip_boardid, "EM100FX "); 2219 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2220 } 2221 /* 2222 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2223 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2224 */ 2225 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2226 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2227 /* 2228 * Cogent (Adaptec) is still mapping all INTs to INTA of 2229 * first 21140. Dumb! Dumb! 2230 */ 2231 strcat(sc->tulip_boardid, "EM440TX "); 2232 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2233 } 2234 } else if (sc->tulip_chipid == TULIP_21040) { 2235 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2236 } 2237} 2238 2239static void 2240tulip_identify_accton_nic(tulip_softc_t * const sc) 2241{ 2242 TULIP_LOCK_ASSERT(sc); 2243 strcpy(sc->tulip_boardid, "ACCTON "); 2244 switch (sc->tulip_chipid) { 2245 case TULIP_21140A: 2246 strcat(sc->tulip_boardid, "EN1207 "); 2247 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2248 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2249 break; 2250 case TULIP_21140: 2251 strcat(sc->tulip_boardid, "EN1207TX "); 2252 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2253 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2254 break; 2255 case TULIP_21040: 2256 strcat(sc->tulip_boardid, "EN1203 "); 2257 sc->tulip_boardsw = &tulip_21040_boardsw; 2258 break; 2259 case TULIP_21041: 2260 strcat(sc->tulip_boardid, "EN1203 "); 2261 sc->tulip_boardsw = &tulip_21041_boardsw; 2262 break; 2263 default: 2264 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2265 break; 2266 } 2267} 2268 2269static void 2270tulip_identify_asante_nic(tulip_softc_t * const sc) 2271{ 2272 TULIP_LOCK_ASSERT(sc); 2273 strcpy(sc->tulip_boardid, "Asante "); 2274 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2275 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2276 tulip_media_info_t *mi = sc->tulip_mediainfo; 2277 int idx; 2278 /* 2279 * The Asante Fast Ethernet doesn't always ship with a valid 2280 * new format SROM. So if isn't in the new format, we cheat 2281 * set it up as if we had. 2282 */ 2283 2284 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2285 sc->tulip_gpdata = 0; 2286 2287 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2288 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2289 DELAY(100); 2290 TULIP_CSR_WRITE(sc, csr_gp, 0); 2291 2292 mi->mi_type = TULIP_MEDIAINFO_MII; 2293 mi->mi_gpr_length = 0; 2294 mi->mi_gpr_offset = 0; 2295 mi->mi_reset_length = 0; 2296 mi->mi_reset_offset = 0; 2297 2298 mi->mi_phyaddr = TULIP_MII_NOPHY; 2299 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2300 DELAY(10000); 2301 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2302 } 2303 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2304 device_printf(sc->tulip_dev, "can't find phy 0\n"); 2305 return; 2306 } 2307 2308 sc->tulip_features |= TULIP_HAVE_MII; 2309 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2310 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2311 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2312 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2313 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2314 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2315 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2316 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2317 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2318 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2319 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2320 2321 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2322 } 2323} 2324 2325static void 2326tulip_identify_compex_nic(tulip_softc_t * const sc) 2327{ 2328 TULIP_LOCK_ASSERT(sc); 2329 strcpy(sc->tulip_boardid, "COMPEX "); 2330 if (sc->tulip_chipid == TULIP_21140A) { 2331 int root_unit; 2332 tulip_softc_t *root_sc = NULL; 2333 2334 strcat(sc->tulip_boardid, "400TX/PCI "); 2335 /* 2336 * All 4 chips on these boards share an interrupt. This code 2337 * copied from tulip_read_macaddr. 2338 */ 2339 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2340 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2341 root_sc = tulips[root_unit]; 2342 if (root_sc == NULL 2343 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2344 break; 2345 root_sc = NULL; 2346 } 2347 if (root_sc != NULL 2348 && root_sc->tulip_chipid == sc->tulip_chipid 2349 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2350 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2351 sc->tulip_slaves = root_sc->tulip_slaves; 2352 root_sc->tulip_slaves = sc; 2353 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2354 printf("\nCannot find master device for %s interrupts", 2355 sc->tulip_ifp->if_xname); 2356 } 2357 } else { 2358 strcat(sc->tulip_boardid, "unknown "); 2359 } 2360 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2361 return; 2362} 2363 2364static int 2365tulip_srom_decode(tulip_softc_t * const sc) 2366{ 2367 unsigned idx1, idx2, idx3; 2368 2369 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2370 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2371 tulip_srom_media_t srom_media; 2372 tulip_media_info_t *mi = sc->tulip_mediainfo; 2373 const u_int8_t *dp; 2374 u_int32_t leaf_offset, blocks, data; 2375 2376 TULIP_LOCK_ASSERT(sc); 2377 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2378 if (shp->sh_adapter_count == 1) 2379 break; 2380 if (saip->sai_device == sc->tulip_pci_devno) 2381 break; 2382 } 2383 /* 2384 * Didn't find the right media block for this card. 2385 */ 2386 if (idx1 == shp->sh_adapter_count) 2387 return 0; 2388 2389 /* 2390 * Save the hardware address. 2391 */ 2392 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2393 /* 2394 * If this is a multiple port card, add the adapter index to the last 2395 * byte of the hardware address. (if it isn't multiport, adding 0 2396 * won't hurt. 2397 */ 2398 sc->tulip_enaddr[5] += idx1; 2399 2400 leaf_offset = saip->sai_leaf_offset_lowbyte 2401 + saip->sai_leaf_offset_highbyte * 256; 2402 dp = sc->tulip_rombuf + leaf_offset; 2403 2404 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2405 2406 for (idx2 = 0;; idx2++) { 2407 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2408 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2409 break; 2410 } 2411 sc->tulip_connidx = idx2; 2412 2413 if (sc->tulip_chipid == TULIP_21041) { 2414 blocks = *dp++; 2415 for (idx2 = 0; idx2 < blocks; idx2++) { 2416 tulip_media_t media; 2417 data = *dp++; 2418 srom_media = (tulip_srom_media_t) (data & 0x3F); 2419 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2420 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2421 break; 2422 } 2423 media = tulip_srom_mediums[idx3].sm_type; 2424 if (media != TULIP_MEDIA_UNKNOWN) { 2425 if (data & TULIP_SROM_21041_EXTENDED) { 2426 mi->mi_type = TULIP_MEDIAINFO_SIA; 2427 sc->tulip_mediums[media] = mi; 2428 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2429 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2430 mi->mi_sia_general = dp[4] + dp[5] * 256; 2431 mi++; 2432 } else { 2433 switch (media) { 2434 case TULIP_MEDIA_BNC: { 2435 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2436 mi++; 2437 break; 2438 } 2439 case TULIP_MEDIA_AUI: { 2440 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2441 mi++; 2442 break; 2443 } 2444 case TULIP_MEDIA_10BASET: { 2445 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2446 mi++; 2447 break; 2448 } 2449 case TULIP_MEDIA_10BASET_FD: { 2450 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2451 mi++; 2452 break; 2453 } 2454 default: { 2455 break; 2456 } 2457 } 2458 } 2459 } 2460 if (data & TULIP_SROM_21041_EXTENDED) 2461 dp += 6; 2462 } 2463#ifdef notdef 2464 if (blocks == 0) { 2465 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2466 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2467 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2468 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2469 } 2470#endif 2471 } else { 2472 unsigned length, type; 2473 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2474 if (sc->tulip_features & TULIP_HAVE_GPR) 2475 sc->tulip_gpinit = *dp++; 2476 blocks = *dp++; 2477 for (idx2 = 0; idx2 < blocks; idx2++) { 2478 const u_int8_t *ep; 2479 if ((*dp & 0x80) == 0) { 2480 length = 4; 2481 type = 0; 2482 } else { 2483 length = (*dp++ & 0x7f) - 1; 2484 type = *dp++ & 0x3f; 2485 } 2486 ep = dp + length; 2487 switch (type & 0x3f) { 2488 case 0: { /* 21140[A] GPR block */ 2489 tulip_media_t media; 2490 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2491 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2492 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2493 break; 2494 } 2495 media = tulip_srom_mediums[idx3].sm_type; 2496 if (media == TULIP_MEDIA_UNKNOWN) 2497 break; 2498 mi->mi_type = TULIP_MEDIAINFO_GPR; 2499 sc->tulip_mediums[media] = mi; 2500 mi->mi_gpdata = dp[1]; 2501 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2502 sc->tulip_gpdata = mi->mi_gpdata; 2503 gp_media = media; 2504 } 2505 data = dp[2] + dp[3] * 256; 2506 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2507 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2508 mi->mi_actmask = 0; 2509 } else { 2510#if 0 2511 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2512#endif 2513 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2514 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2515 } 2516 mi++; 2517 break; 2518 } 2519 case 1: { /* 21140[A] MII block */ 2520 const unsigned phyno = *dp++; 2521 mi->mi_type = TULIP_MEDIAINFO_MII; 2522 mi->mi_gpr_length = *dp++; 2523 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2524 dp += mi->mi_gpr_length; 2525 mi->mi_reset_length = *dp++; 2526 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2527 dp += mi->mi_reset_length; 2528 2529 /* 2530 * Before we probe for a PHY, use the GPR information 2531 * to select it. If we don't, it may be inaccessible. 2532 */ 2533 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2534 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2535 DELAY(10); 2536 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2537 } 2538 sc->tulip_phyaddr = mi->mi_phyaddr; 2539 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2540 DELAY(10); 2541 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2542 } 2543 2544 /* 2545 * At least write something! 2546 */ 2547 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2548 TULIP_CSR_WRITE(sc, csr_gp, 0); 2549 2550 mi->mi_phyaddr = TULIP_MII_NOPHY; 2551 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2552 DELAY(10000); 2553 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2554 } 2555 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2556#if defined(TULIP_DEBUG) 2557 device_printf(sc->tulip_dev, "can't find phy %d\n", 2558 phyno); 2559#endif 2560 break; 2561 } 2562 sc->tulip_features |= TULIP_HAVE_MII; 2563 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2564 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2565 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2566 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2567 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2568 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2569 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2570 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2571 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2572 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2573 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2574 mi++; 2575 break; 2576 } 2577 case 2: { /* 2114[23] SIA block */ 2578 tulip_media_t media; 2579 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2580 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2581 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2582 break; 2583 } 2584 media = tulip_srom_mediums[idx3].sm_type; 2585 if (media == TULIP_MEDIA_UNKNOWN) 2586 break; 2587 mi->mi_type = TULIP_MEDIAINFO_SIA; 2588 sc->tulip_mediums[media] = mi; 2589 if (dp[0] & 0x40) { 2590 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2591 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2592 mi->mi_sia_general = dp[5] + dp[6] * 256; 2593 dp += 6; 2594 } else { 2595 switch (media) { 2596 case TULIP_MEDIA_BNC: { 2597 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2598 break; 2599 } 2600 case TULIP_MEDIA_AUI: { 2601 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2602 break; 2603 } 2604 case TULIP_MEDIA_10BASET: { 2605 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2606 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2607 break; 2608 } 2609 case TULIP_MEDIA_10BASET_FD: { 2610 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2611 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2612 break; 2613 } 2614 default: { 2615 goto bad_media; 2616 } 2617 } 2618 } 2619 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2620 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2621 mi++; 2622 bad_media: 2623 break; 2624 } 2625 case 3: { /* 2114[23] MII PHY block */ 2626 const unsigned phyno = *dp++; 2627 const u_int8_t *dp0; 2628 mi->mi_type = TULIP_MEDIAINFO_MII; 2629 mi->mi_gpr_length = *dp++; 2630 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2631 dp += 2 * mi->mi_gpr_length; 2632 mi->mi_reset_length = *dp++; 2633 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2634 dp += 2 * mi->mi_reset_length; 2635 2636 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2637 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2638 DELAY(10); 2639 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2640 } 2641 sc->tulip_phyaddr = mi->mi_phyaddr; 2642 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2643 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2644 DELAY(10); 2645 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2646 } 2647 2648 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2649 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2650 2651 mi->mi_phyaddr = TULIP_MII_NOPHY; 2652 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2653 DELAY(10000); 2654 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2655 } 2656 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2657#if defined(TULIP_DEBUG) 2658 device_printf(sc->tulip_dev, "can't find phy %d\n", 2659 phyno); 2660#endif 2661 break; 2662 } 2663 sc->tulip_features |= TULIP_HAVE_MII; 2664 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2665 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2666 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2667 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2668 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2669 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2670 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2671 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2672 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2673 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2674 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2675 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2676 mi++; 2677 break; 2678 } 2679 case 4: { /* 21143 SYM block */ 2680 tulip_media_t media; 2681 srom_media = (tulip_srom_media_t) dp[0]; 2682 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2683 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2684 break; 2685 } 2686 media = tulip_srom_mediums[idx3].sm_type; 2687 if (media == TULIP_MEDIA_UNKNOWN) 2688 break; 2689 mi->mi_type = TULIP_MEDIAINFO_SYM; 2690 sc->tulip_mediums[media] = mi; 2691 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2692 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2693 data = dp[5] + dp[6] * 256; 2694 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2695 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2696 mi->mi_actmask = 0; 2697 } else { 2698 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2699 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2700 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2701 } 2702 if (TULIP_IS_MEDIA_TP(media)) 2703 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2704 mi++; 2705 break; 2706 } 2707#if 0 2708 case 5: { /* 21143 Reset block */ 2709 mi->mi_type = TULIP_MEDIAINFO_RESET; 2710 mi->mi_reset_length = *dp++; 2711 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2712 dp += 2 * mi->mi_reset_length; 2713 mi++; 2714 break; 2715 } 2716#endif 2717 default: { 2718 } 2719 } 2720 dp = ep; 2721 } 2722 } 2723 return mi - sc->tulip_mediainfo; 2724} 2725 2726static const struct { 2727 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2728 unsigned char vendor_oui[3]; 2729} tulip_vendors[] = { 2730 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2731 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2732 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2733 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2734 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2735 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2736 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2737 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2738 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2739 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2740 { NULL } 2741}; 2742 2743/* 2744 * This deals with the vagaries of the address roms and the 2745 * brain-deadness that various vendors commit in using them. 2746 */ 2747static int 2748tulip_read_macaddr(tulip_softc_t * const sc) 2749{ 2750 unsigned cksum, rom_cksum, idx; 2751 u_int32_t csr; 2752 unsigned char tmpbuf[8]; 2753 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2754 2755 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2756 2757 if (sc->tulip_chipid == TULIP_21040) { 2758 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2759 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2760 int cnt = 0; 2761 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2762 cnt++; 2763 sc->tulip_rombuf[idx] = csr & 0xFF; 2764 } 2765 sc->tulip_boardsw = &tulip_21040_boardsw; 2766 } else { 2767 if (sc->tulip_chipid == TULIP_21041) { 2768 /* 2769 * Thankfully all 21041's act the same. 2770 */ 2771 sc->tulip_boardsw = &tulip_21041_boardsw; 2772 } else { 2773 /* 2774 * Assume all 21140 board are compatible with the 2775 * DEC 10/100 evaluation board. Not really valid but 2776 * it's the best we can do until every one switches to 2777 * the new SROM format. 2778 */ 2779 2780 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2781 } 2782 tulip_srom_read(sc); 2783 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2784 /* 2785 * SROM CRC is valid therefore it must be in the 2786 * new format. 2787 */ 2788 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2789 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2790 /* 2791 * No checksum is present. See if the SROM id checks out; 2792 * the first 18 bytes should be 0 followed by a 1 followed 2793 * by the number of adapters (which we don't deal with yet). 2794 */ 2795 for (idx = 0; idx < 18; idx++) { 2796 if (sc->tulip_rombuf[idx] != 0) 2797 break; 2798 } 2799 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2800 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2801 } else if (sc->tulip_chipid >= TULIP_21142) { 2802 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2803 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2804 } 2805 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2806 if (sc->tulip_chipid != TULIP_21041) 2807 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2808 2809 /* 2810 * If the SROM specifies more than one adapter, tag this as a 2811 * BASE rom. 2812 */ 2813 if (sc->tulip_rombuf[19] > 1) 2814 sc->tulip_features |= TULIP_HAVE_BASEROM; 2815 if (sc->tulip_boardsw == NULL) 2816 return -6; 2817 goto check_oui; 2818 } 2819 } 2820 2821 2822 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2823 /* 2824 * Some folks don't use the standard ethernet rom format 2825 * but instead just put the address in the first 6 bytes 2826 * of the rom and let the rest be all 0xffs. (Can we say 2827 * ZNYX?) (well sometimes they put in a checksum so we'll 2828 * start at 8). 2829 */ 2830 for (idx = 8; idx < 32; idx++) { 2831 if (sc->tulip_rombuf[idx] != 0xFF) 2832 return -4; 2833 } 2834 /* 2835 * Make sure the address is not multicast or locally assigned 2836 * that the OUI is not 00-00-00. 2837 */ 2838 if ((sc->tulip_rombuf[0] & 3) != 0) 2839 return -4; 2840 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2841 && sc->tulip_rombuf[2] == 0) 2842 return -4; 2843 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2844 sc->tulip_features |= TULIP_HAVE_OKROM; 2845 goto check_oui; 2846 } else { 2847 /* 2848 * A number of makers of multiport boards (ZNYX and Cogent) 2849 * only put on one address ROM on their 21040 boards. So 2850 * if the ROM is all zeros (or all 0xFFs), look at the 2851 * previous configured boards (as long as they are on the same 2852 * PCI bus and the bus number is non-zero) until we find the 2853 * master board with address ROM. We then use its address ROM 2854 * as the base for this board. (we add our relative board 2855 * to the last byte of its address). 2856 */ 2857 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2858 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2859 break; 2860 } 2861 if (idx == sizeof(sc->tulip_rombuf)) { 2862 int root_unit; 2863 tulip_softc_t *root_sc = NULL; 2864 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2865 root_sc = tulips[root_unit]; 2866 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2867 break; 2868 root_sc = NULL; 2869 } 2870 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2871 && root_sc->tulip_chipid == sc->tulip_chipid 2872 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2873 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2874 sc->tulip_boardsw = root_sc->tulip_boardsw; 2875 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2876 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2877 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2878 sizeof(sc->tulip_rombuf)); 2879 if (!tulip_srom_decode(sc)) 2880 return -5; 2881 } else { 2882 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2883 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2884 } 2885 /* 2886 * Now for a truly disgusting kludge: all 4 21040s on 2887 * the ZX314 share the same INTA line so the mapping 2888 * setup by the BIOS on the PCI bridge is worthless. 2889 * Rather than reprogramming the value in the config 2890 * register, we will handle this internally. 2891 */ 2892 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2893 sc->tulip_slaves = root_sc->tulip_slaves; 2894 root_sc->tulip_slaves = sc; 2895 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2896 } 2897 return 0; 2898 } 2899 } 2900 } 2901 2902 /* 2903 * This is the standard DEC address ROM test. 2904 */ 2905 2906 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2907 return -3; 2908 2909 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2910 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2911 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2912 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2913 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2914 return -2; 2915 2916 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2917 2918 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2919 cksum *= 2; 2920 if (cksum > 65535) cksum -= 65535; 2921 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2922 if (cksum > 65535) cksum -= 65535; 2923 cksum *= 2; 2924 if (cksum > 65535) cksum -= 65535; 2925 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2926 if (cksum >= 65535) cksum -= 65535; 2927 2928 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2929 2930 if (cksum != rom_cksum) 2931 return -1; 2932 2933 check_oui: 2934 /* 2935 * Check for various boards based on OUI. Did I say braindead? 2936 */ 2937 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2938 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2939 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2940 break; 2941 } 2942 } 2943 2944 sc->tulip_features |= TULIP_HAVE_OKROM; 2945 return 0; 2946} 2947 2948static void 2949tulip_ifmedia_add(tulip_softc_t * const sc) 2950{ 2951 tulip_media_t media; 2952 int medias = 0; 2953 2954 TULIP_LOCK_ASSERT(sc); 2955 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2956 if (sc->tulip_mediums[media] != NULL) { 2957 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2958 0, 0); 2959 medias++; 2960 } 2961 } 2962 if (medias == 0) { 2963 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2964 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2965 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2966 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2967 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2968 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2969 } else { 2970 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2971 sc->tulip_flags |= TULIP_PRINTMEDIA; 2972 tulip_linkup(sc, sc->tulip_media); 2973 } 2974} 2975 2976static int 2977tulip_ifmedia_change(struct ifnet * const ifp) 2978{ 2979 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2980 2981 TULIP_LOCK(sc); 2982 sc->tulip_flags |= TULIP_NEEDRESET; 2983 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2984 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2985 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2986 tulip_media_t media; 2987 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2988 if (sc->tulip_mediums[media] != NULL 2989 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2990 sc->tulip_flags |= TULIP_PRINTMEDIA; 2991 sc->tulip_flags &= ~TULIP_DIDNWAY; 2992 tulip_linkup(sc, media); 2993 TULIP_UNLOCK(sc); 2994 return 0; 2995 } 2996 } 2997 } 2998 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2999 tulip_reset(sc); 3000 tulip_init_locked(sc); 3001 TULIP_UNLOCK(sc); 3002 return 0; 3003} 3004 3005/* 3006 * Media status callback 3007 */ 3008static void 3009tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 3010{ 3011 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3012 3013 TULIP_LOCK(sc); 3014 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3015 TULIP_UNLOCK(sc); 3016 return; 3017 } 3018 3019 req->ifm_status = IFM_AVALID; 3020 if (sc->tulip_flags & TULIP_LINKUP) 3021 req->ifm_status |= IFM_ACTIVE; 3022 3023 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3024 TULIP_UNLOCK(sc); 3025} 3026 3027static void 3028tulip_addr_filter(tulip_softc_t * const sc) 3029{ 3030 struct ifmultiaddr *ifma; 3031 struct ifnet *ifp; 3032 u_char *addrp; 3033 u_int16_t eaddr[ETHER_ADDR_LEN/2]; 3034 int multicnt; 3035 3036 TULIP_LOCK_ASSERT(sc); 3037 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3038 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3039 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3040 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3041#if defined(IFF_ALLMULTI) 3042 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI) 3043 sc->tulip_flags |= TULIP_ALLMULTI ; 3044#endif 3045 3046 multicnt = 0; 3047 ifp = sc->tulip_ifp; 3048 if_maddr_rlock(ifp); 3049 3050 /* Copy MAC address on stack to align. */ 3051 if (ifp->if_input != NULL) 3052 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); 3053 else 3054 bcopy(sc->tulip_enaddr, eaddr, ETHER_ADDR_LEN); 3055 3056 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3057 3058 if (ifma->ifma_addr->sa_family == AF_LINK) 3059 multicnt++; 3060 } 3061 3062 if (multicnt > 14) { 3063 u_int32_t *sp = sc->tulip_setupdata; 3064 unsigned hash; 3065 /* 3066 * Some early passes of the 21140 have broken implementations of 3067 * hash-perfect mode. When we get too many multicasts for perfect 3068 * filtering with these chips, we need to switch into hash-only 3069 * mode (this is better than all-multicast on network with lots 3070 * of multicast traffic). 3071 */ 3072 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3073 sc->tulip_flags |= TULIP_WANTHASHONLY; 3074 else 3075 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3076 /* 3077 * If we have more than 14 multicasts, we have 3078 * go into hash perfect mode (512 bit multicast 3079 * hash and one perfect hardware). 3080 */ 3081 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3082 3083 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3084 3085 if (ifma->ifma_addr->sa_family != AF_LINK) 3086 continue; 3087 3088 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3089 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3090 } 3091 /* 3092 * No reason to use a hash if we are going to be 3093 * receiving every multicast. 3094 */ 3095 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3096 hash = tulip_mchash(ifp->if_broadcastaddr); 3097 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3098 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3099 hash = tulip_mchash((caddr_t)eaddr); 3100 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3101 } else { 3102 sp[39] = TULIP_SP_MAC(eaddr[0]); 3103 sp[40] = TULIP_SP_MAC(eaddr[1]); 3104 sp[41] = TULIP_SP_MAC(eaddr[2]); 3105 } 3106 } 3107 } 3108 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3109 u_int32_t *sp = sc->tulip_setupdata; 3110 int idx = 0; 3111 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3112 /* 3113 * Else can get perfect filtering for 16 addresses. 3114 */ 3115 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3116 if (ifma->ifma_addr->sa_family != AF_LINK) 3117 continue; 3118 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3119 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 3120 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 3121 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 3122 idx++; 3123 } 3124 /* 3125 * Add the broadcast address. 3126 */ 3127 idx++; 3128 *sp++ = TULIP_SP_MAC(0xFFFF); 3129 *sp++ = TULIP_SP_MAC(0xFFFF); 3130 *sp++ = TULIP_SP_MAC(0xFFFF); 3131 } 3132 /* 3133 * Pad the rest with our hardware address 3134 */ 3135 for (; idx < 16; idx++) { 3136 *sp++ = TULIP_SP_MAC(eaddr[0]); 3137 *sp++ = TULIP_SP_MAC(eaddr[1]); 3138 *sp++ = TULIP_SP_MAC(eaddr[2]); 3139 } 3140 } 3141 if_maddr_runlock(ifp); 3142} 3143 3144static void 3145tulip_reset(tulip_softc_t * const sc) 3146{ 3147 tulip_ringinfo_t *ri; 3148 tulip_descinfo_t *di; 3149 struct mbuf *m; 3150 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3151 3152 TULIP_LOCK_ASSERT(sc); 3153 3154 CTR1(KTR_TULIP, "tulip_reset: inreset %d", inreset); 3155 3156 /* 3157 * Brilliant. Simply brilliant. When switching modes/speeds 3158 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3159 * bits in CSR6 and then do a software reset to get the 21140 3160 * to properly reset its internal pathways to the right places. 3161 * Grrrr. 3162 */ 3163 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3164 && sc->tulip_boardsw->bd_media_preset != NULL) 3165 (*sc->tulip_boardsw->bd_media_preset)(sc); 3166 3167 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3168 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3169 33MHz that comes to two microseconds but wait a 3170 bit longer anyways) */ 3171 3172 if (!inreset) { 3173 sc->tulip_flags |= TULIP_INRESET; 3174 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3175 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3176 } 3177 3178 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff); 3179 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff); 3180 TULIP_CSR_WRITE(sc, csr_busmode, 3181 (1 << (3 /*pci_max_burst_len*/ + 8)) 3182 |TULIP_BUSMODE_CACHE_ALIGN8 3183 |TULIP_BUSMODE_READMULTIPLE 3184 |(BYTE_ORDER != LITTLE_ENDIAN ? 3185 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3186 3187 sc->tulip_txtimer = 0; 3188 /* 3189 * Free all the mbufs that were on the transmit ring. 3190 */ 3191 CTR0(KTR_TULIP, "tulip_reset: drain transmit ring"); 3192 ri = &sc->tulip_txinfo; 3193 for (di = ri->ri_first; di < ri->ri_last; di++) { 3194 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3195 if (m != NULL) 3196 m_freem(m); 3197 di->di_desc->d_status = 0; 3198 } 3199 3200 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3201 ri->ri_free = ri->ri_max; 3202 TULIP_TXDESC_PRESYNC(ri); 3203 3204 /* 3205 * We need to collect all the mbufs that were on the 3206 * receive ring before we reinit it either to put 3207 * them back on or to know if we have to allocate 3208 * more. 3209 */ 3210 CTR0(KTR_TULIP, "tulip_reset: drain receive ring"); 3211 ri = &sc->tulip_rxinfo; 3212 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3213 ri->ri_free = ri->ri_max; 3214 for (di = ri->ri_first; di < ri->ri_last; di++) { 3215 di->di_desc->d_status = 0; 3216 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 3217 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 3218 } 3219 TULIP_RXDESC_PRESYNC(ri); 3220 for (di = ri->ri_first; di < ri->ri_last; di++) { 3221 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3222 if (m != NULL) 3223 m_freem(m); 3224 } 3225 3226 /* 3227 * If tulip_reset is being called recursively, exit quickly knowing 3228 * that when the outer tulip_reset returns all the right stuff will 3229 * have happened. 3230 */ 3231 if (inreset) 3232 return; 3233 3234 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3235 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3236 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3237 |TULIP_STS_RXSTOPPED; 3238 3239 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3240 (*sc->tulip_boardsw->bd_media_select)(sc); 3241#if defined(TULIP_DEBUG) 3242 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3243 device_printf(sc->tulip_dev, 3244 "tulip_reset: additional reset needed?!?\n"); 3245#endif 3246 if (bootverbose) 3247 tulip_media_print(sc); 3248 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3249 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3250 3251 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3252 |TULIP_RXACT); 3253} 3254 3255 3256static void 3257tulip_init(void *arg) 3258{ 3259 tulip_softc_t *sc = (tulip_softc_t *)arg; 3260 3261 TULIP_LOCK(sc); 3262 tulip_init_locked(sc); 3263 TULIP_UNLOCK(sc); 3264} 3265 3266static void 3267tulip_init_locked(tulip_softc_t * const sc) 3268{ 3269 CTR0(KTR_TULIP, "tulip_init_locked"); 3270 if (sc->tulip_ifp->if_flags & IFF_UP) { 3271 if ((sc->tulip_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3272 /* initialize the media */ 3273 CTR0(KTR_TULIP, "tulip_init_locked: up but not running, reset chip"); 3274 tulip_reset(sc); 3275 } 3276 tulip_addr_filter(sc); 3277 sc->tulip_ifp->if_drv_flags |= IFF_DRV_RUNNING; 3278 if (sc->tulip_ifp->if_flags & IFF_PROMISC) { 3279 sc->tulip_flags |= TULIP_PROMISC; 3280 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3281 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3282 } else { 3283 sc->tulip_flags &= ~TULIP_PROMISC; 3284 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3285 if (sc->tulip_flags & TULIP_ALLMULTI) { 3286 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3287 } else { 3288 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3289 } 3290 } 3291 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3292 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3293 tulip_rx_intr(sc); 3294 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3295 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3296 } else { 3297 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3298 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3299 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3300 } 3301 CTR2(KTR_TULIP, "tulip_init_locked: intr mask %08x cmdmode %08x", 3302 sc->tulip_intrmask, sc->tulip_cmdmode); 3303 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3304 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3305 CTR1(KTR_TULIP, "tulip_init_locked: status %08x\n", 3306 TULIP_CSR_READ(sc, csr_status)); 3307 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3308 tulip_txput_setup(sc); 3309 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 3310 } else { 3311 CTR0(KTR_TULIP, "tulip_init_locked: not up, reset chip"); 3312 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3313 tulip_reset(sc); 3314 tulip_addr_filter(sc); 3315 callout_stop(&sc->tulip_stat_timer); 3316 } 3317} 3318 3319#define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 3320#define DESC_FLAG(di) ((di)->di_desc->d_flag) 3321 3322static void 3323tulip_rx_intr(tulip_softc_t * const sc) 3324{ 3325 TULIP_PERFSTART(rxintr) 3326 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3327 struct ifnet * const ifp = sc->tulip_ifp; 3328 int fillok = 1; 3329#if defined(TULIP_DEBUG) 3330 int cnt = 0; 3331#endif 3332 3333 TULIP_LOCK_ASSERT(sc); 3334 CTR0(KTR_TULIP, "tulip_rx_intr: start"); 3335 for (;;) { 3336 TULIP_PERFSTART(rxget) 3337 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 3338 int total_len = 0, last_offset = 0; 3339 struct mbuf *ms = NULL, *me = NULL; 3340 int accept = 0; 3341 int error; 3342 3343 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 3344 goto queue_mbuf; 3345 3346#if defined(TULIP_DEBUG) 3347 if (cnt == ri->ri_max) 3348 break; 3349#endif 3350 /* 3351 * If the TULIP has no descriptors, there can't be any receive 3352 * descriptors to process. 3353 */ 3354 if (eop == ri->ri_nextout) 3355 break; 3356 3357 /* 3358 * 90% of the packets will fit in one descriptor. So we optimize 3359 * for that case. 3360 */ 3361 TULIP_RXDESC_POSTSYNC(ri); 3362 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3363 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3364 CTR2(KTR_TULIP, 3365 "tulip_rx_intr: single packet mbuf %p from descriptor %td", ms, 3366 eop - ri->ri_first); 3367 me = ms; 3368 ri->ri_free++; 3369 } else { 3370 /* 3371 * If still owned by the TULIP, don't touch it. 3372 */ 3373 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3374 break; 3375 3376 /* 3377 * It is possible (though improbable unless MCLBYTES < 1518) for 3378 * a received packet to cross more than one receive descriptor. 3379 * We first loop through the descriptor ring making sure we have 3380 * received a complete packet. If not, we bail until the next 3381 * interrupt. 3382 */ 3383 dip = eop; 3384 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3385 if (++eop == ri->ri_last) 3386 eop = ri->ri_first; 3387 TULIP_RXDESC_POSTSYNC(ri); 3388 if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) { 3389#if defined(TULIP_DEBUG) 3390 sc->tulip_dbg.dbg_rxintrs++; 3391 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3392#endif 3393 TULIP_PERFEND(rxget); 3394 TULIP_PERFEND(rxintr); 3395 return; 3396 } 3397 total_len++; 3398 } 3399 3400 /* 3401 * Dequeue the first buffer for the start of the packet. Hopefully 3402 * this will be the only one we need to dequeue. However, if the 3403 * packet consumed multiple descriptors, then we need to dequeue 3404 * those buffers and chain to the starting mbuf. All buffers but 3405 * the last buffer have the same length so we can set that now. 3406 * (we add to last_offset instead of multiplying since we normally 3407 * won't go into the loop and thereby saving ourselves from 3408 * doing a multiplication by 0 in the normal case). 3409 */ 3410 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3411 CTR2(KTR_TULIP, 3412 "tulip_rx_intr: start packet mbuf %p from descriptor %td", ms, 3413 dip - ri->ri_first); 3414 ri->ri_free++; 3415 for (me = ms; total_len > 0; total_len--) { 3416 me->m_len = TULIP_RX_BUFLEN; 3417 last_offset += TULIP_RX_BUFLEN; 3418 if (++dip == ri->ri_last) 3419 dip = ri->ri_first; 3420 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3421 ri->ri_free++; 3422 me = me->m_next; 3423 CTR2(KTR_TULIP, 3424 "tulip_rx_intr: cont packet mbuf %p from descriptor %td", 3425 me, dip - ri->ri_first); 3426 } 3427 KASSERT(dip == eop, ("mismatched descinfo structs")); 3428 } 3429 3430 /* 3431 * Now get the size of received packet (minus the CRC). 3432 */ 3433 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3434 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3435 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3436 me->m_len = total_len - last_offset; 3437 sc->tulip_flags |= TULIP_RXACT; 3438 accept = 1; 3439 CTR1(KTR_TULIP, "tulip_rx_intr: good packet; length %d", 3440 total_len); 3441 } else { 3442 CTR1(KTR_TULIP, "tulip_rx_intr: bad packet; status %08x", 3443 DESC_STATUS(eop)); 3444 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 3445 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3446 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3447 } else { 3448#if defined(TULIP_VERBOSE) 3449 const char *error = NULL; 3450#endif 3451 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3452 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3453#if defined(TULIP_VERBOSE) 3454 error = "frame too long"; 3455#endif 3456 } 3457 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3458 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3459 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3460#if defined(TULIP_VERBOSE) 3461 error = "alignment error"; 3462#endif 3463 } else { 3464 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3465#if defined(TULIP_VERBOSE) 3466 error = "bad crc"; 3467#endif 3468 } 3469 } 3470#if defined(TULIP_VERBOSE) 3471 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3472 device_printf(sc->tulip_dev, "receive: %6D: %s\n", 3473 mtod(ms, u_char *) + 6, ":", 3474 error); 3475 sc->tulip_flags |= TULIP_NOMESSAGES; 3476 } 3477#endif 3478 } 3479 3480 } 3481#if defined(TULIP_DEBUG) 3482 cnt++; 3483#endif 3484 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 3485 if (++eop == ri->ri_last) 3486 eop = ri->ri_first; 3487 ri->ri_nextin = eop; 3488 queue_mbuf: 3489 /* 3490 * We have received a good packet that needs to be passed up the 3491 * stack. 3492 */ 3493 if (accept) { 3494 struct mbuf *m0; 3495 3496 KASSERT(ms != NULL, ("no packet to accept")); 3497#ifndef __NO_STRICT_ALIGNMENT 3498 /* 3499 * Copy the data into a new mbuf that is properly aligned. If 3500 * we fail to allocate a new mbuf, then drop the packet. We will 3501 * reuse the same rx buffer ('ms') below for another packet 3502 * regardless. 3503 */ 3504 m0 = m_devget(mtod(ms, caddr_t), total_len, ETHER_ALIGN, ifp, NULL); 3505 if (m0 == NULL) { 3506 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 3507 goto skip_input; 3508 } 3509#else 3510 /* 3511 * Update the header for the mbuf referencing this receive 3512 * buffer and pass it up the stack. Allocate a new mbuf cluster 3513 * to replace the one we just passed up the stack. 3514 * 3515 * Note that if this packet crossed multiple descriptors 3516 * we don't even try to reallocate all the mbufs here. 3517 * Instead we rely on the test at the beginning of 3518 * the loop to refill for the extra consumed mbufs. 3519 */ 3520 ms->m_pkthdr.len = total_len; 3521 ms->m_pkthdr.rcvif = ifp; 3522 m0 = ms; 3523 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3524#endif 3525 TULIP_UNLOCK(sc); 3526 CTR1(KTR_TULIP, "tulip_rx_intr: passing %p to upper layer", m0); 3527 (*ifp->if_input)(ifp, m0); 3528 TULIP_LOCK(sc); 3529 } else if (ms == NULL) 3530 /* 3531 * If we are priming the TULIP with mbufs, then allocate 3532 * a new cluster for the next descriptor. 3533 */ 3534 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3535 3536#ifndef __NO_STRICT_ALIGNMENT 3537 skip_input: 3538#endif 3539 if (ms == NULL) { 3540 /* 3541 * Couldn't allocate a new buffer. Don't bother 3542 * trying to replenish the receive queue. 3543 */ 3544 fillok = 0; 3545 sc->tulip_flags |= TULIP_RXBUFSLOW; 3546#if defined(TULIP_DEBUG) 3547 sc->tulip_dbg.dbg_rxlowbufs++; 3548#endif 3549 TULIP_PERFEND(rxget); 3550 continue; 3551 } 3552 /* 3553 * Now give the buffer(s) to the TULIP and save in our 3554 * receive queue. 3555 */ 3556 do { 3557 tulip_descinfo_t * const nextout = ri->ri_nextout; 3558 3559 M_ASSERTPKTHDR(ms); 3560 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3561 ("rx mbuf data doesn't point to cluster")); 3562 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN; 3563 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3564 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3565 if (error) { 3566 device_printf(sc->tulip_dev, 3567 "unable to load rx map, error = %d\n", error); 3568 panic("tulip_rx_intr"); /* XXX */ 3569 } 3570 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3571 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3572 nextout->di_mbuf = ms; 3573 CTR2(KTR_TULIP, "tulip_rx_intr: enqueued mbuf %p to descriptor %td", 3574 ms, nextout - ri->ri_first); 3575 TULIP_RXDESC_POSTSYNC(ri); 3576 if (++ri->ri_nextout == ri->ri_last) 3577 ri->ri_nextout = ri->ri_first; 3578 ri->ri_free--; 3579 me = ms->m_next; 3580 ms->m_next = NULL; 3581 } while ((ms = me) != NULL); 3582 3583 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3584 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3585 TULIP_PERFEND(rxget); 3586 } 3587 3588#if defined(TULIP_DEBUG) 3589 sc->tulip_dbg.dbg_rxintrs++; 3590 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3591#endif 3592 TULIP_PERFEND(rxintr); 3593} 3594 3595static int 3596tulip_tx_intr(tulip_softc_t * const sc) 3597{ 3598 TULIP_PERFSTART(txintr) 3599 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3600 struct mbuf *m; 3601 int xmits = 0; 3602 int descs = 0; 3603 3604 CTR0(KTR_TULIP, "tulip_tx_intr: start"); 3605 TULIP_LOCK_ASSERT(sc); 3606 while (ri->ri_free < ri->ri_max) { 3607 u_int32_t d_flag; 3608 3609 TULIP_TXDESC_POSTSYNC(ri); 3610 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3611 break; 3612 3613 ri->ri_free++; 3614 descs++; 3615 d_flag = DESC_FLAG(ri->ri_nextin); 3616 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3617 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3618 CTR2(KTR_TULIP, 3619 "tulip_tx_intr: setup packet from descriptor %td: %08x", 3620 ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin)); 3621 /* 3622 * We've just finished processing a setup packet. 3623 * Mark that we finished it. If there's not 3624 * another pending, startup the TULIP receiver. 3625 * Make sure we ack the RXSTOPPED so we won't get 3626 * an abormal interrupt indication. 3627 */ 3628 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3629 BUS_DMASYNC_POSTWRITE); 3630 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3631 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3632 sc->tulip_flags |= TULIP_HASHONLY; 3633 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3634 tulip_rx_intr(sc); 3635 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3636 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3637 CTR2(KTR_TULIP, 3638 "tulip_tx_intr: intr mask %08x cmdmode %08x", 3639 sc->tulip_intrmask, sc->tulip_cmdmode); 3640 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3641 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3642 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3643 } 3644 } else { 3645 const u_int32_t d_status = DESC_STATUS(ri->ri_nextin); 3646 3647 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3648 CTR2(KTR_TULIP, 3649 "tulip_tx_intr: data packet %p from descriptor %td", m, 3650 ri->ri_nextin - ri->ri_first); 3651 if (m != NULL) { 3652 m_freem(m); 3653#if defined(TULIP_DEBUG) 3654 } else { 3655 device_printf(sc->tulip_dev, 3656 "tx_intr: failed to dequeue mbuf?!?\n"); 3657#endif 3658 } 3659 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3660 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3661 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3662#if defined(TULIP_DEBUG) 3663 if (d_status & TULIP_DSTS_TxNOCARR) 3664 sc->tulip_dbg.dbg_txprobe_nocarr++; 3665 if (d_status & TULIP_DSTS_TxEXCCOLL) 3666 sc->tulip_dbg.dbg_txprobe_exccoll++; 3667#endif 3668 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3669 } 3670 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3671 /* 3672 * Escape from the loop before media poll has reset the TULIP! 3673 */ 3674 break; 3675 } else { 3676 xmits++; 3677 if (d_status & TULIP_DSTS_ERRSUM) { 3678 CTR1(KTR_TULIP, "tulip_tx_intr: output error: %08x", 3679 d_status); 3680 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OERRORS, 1); 3681 if (d_status & TULIP_DSTS_TxEXCCOLL) 3682 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3683 if (d_status & TULIP_DSTS_TxLATECOLL) 3684 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3685 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3686 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3687 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3688 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3689 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3690 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3691 if (d_status & TULIP_DSTS_TxBABBLE) 3692 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3693 } else { 3694 u_int32_t collisions = 3695 (d_status & TULIP_DSTS_TxCOLLMASK) 3696 >> TULIP_DSTS_V_TxCOLLCNT; 3697 3698 CTR2(KTR_TULIP, 3699 "tulip_tx_intr: output ok, collisions %d, status %08x", 3700 collisions, d_status); 3701 if_inc_counter(sc->tulip_ifp, IFCOUNTER_COLLISIONS, collisions); 3702 if (collisions == 1) 3703 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3704 else if (collisions > 1) 3705 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3706 else if (d_status & TULIP_DSTS_TxDEFERRED) 3707 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3708 /* 3709 * SQE is only valid for 10baseT/BNC/AUI when not 3710 * running in full-duplex. In order to speed up the 3711 * test, the corresponding bit in tulip_flags needs to 3712 * set as well to get us to count SQE Test Errors. 3713 */ 3714 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3715 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3716 } 3717 } 3718 } 3719 } 3720 3721 if (++ri->ri_nextin == ri->ri_last) 3722 ri->ri_nextin = ri->ri_first; 3723 3724 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3725 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3726 } 3727 /* 3728 * If nothing left to transmit, disable the timer. 3729 * Else if progress, reset the timer back to 2 ticks. 3730 */ 3731 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3732 sc->tulip_txtimer = 0; 3733 else if (xmits > 0) 3734 sc->tulip_txtimer = TULIP_TXTIMER; 3735 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OPACKETS, xmits); 3736 TULIP_PERFEND(txintr); 3737 return descs; 3738} 3739 3740static void 3741tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3742{ 3743 const char * const *msgp = tulip_status_bits; 3744 const char *sep; 3745 u_int32_t mask; 3746 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3747 3748 TULIP_LOCK_ASSERT(sc); 3749 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3750 device_printf(sc->tulip_dev, "abnormal interrupt:"); 3751 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3752 if ((csr & mask) && *msgp != NULL) { 3753 printf("%s%s", sep, *msgp); 3754 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3755 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3756 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3757 printf(" (switching to store-and-forward mode)"); 3758 } else { 3759 printf(" (raising TX threshold to %s)", 3760 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3761 } 3762 } 3763 sep = ", "; 3764 } 3765 } 3766 printf("\n"); 3767} 3768 3769static void 3770tulip_intr_handler(tulip_softc_t * const sc) 3771{ 3772 TULIP_PERFSTART(intr) 3773 u_int32_t csr; 3774 3775 CTR0(KTR_TULIP, "tulip_intr_handler invoked"); 3776 TULIP_LOCK_ASSERT(sc); 3777 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3778 TULIP_CSR_WRITE(sc, csr_status, csr); 3779 3780 if (csr & TULIP_STS_SYSERROR) { 3781 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3782 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3783 sc->tulip_flags |= TULIP_SYSTEMERROR; 3784 } else { 3785 device_printf(sc->tulip_dev, "system error: %s\n", 3786 tulip_system_errors[sc->tulip_last_system_error]); 3787 } 3788 sc->tulip_flags |= TULIP_NEEDRESET; 3789 sc->tulip_system_errors++; 3790 break; 3791 } 3792 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3793#if defined(TULIP_DEBUG) 3794 sc->tulip_dbg.dbg_link_intrs++; 3795#endif 3796 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3797 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3798 ? TULIP_MEDIAPOLL_LINKFAIL 3799 : TULIP_MEDIAPOLL_LINKPASS); 3800 csr &= ~TULIP_STS_ABNRMLINTR; 3801 } 3802 tulip_media_print(sc); 3803 } 3804 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3805 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3806 if (csr & TULIP_STS_RXNOBUF) 3807 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3808 /* 3809 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3810 * on receive overflows. 3811 */ 3812 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3813 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3814 /* 3815 * Stop the receiver process and spin until it's stopped. 3816 * Tell rx_intr to drop the packets it dequeues. 3817 */ 3818 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3819 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3820 ; 3821 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3822 sc->tulip_flags |= TULIP_RXIGNORE; 3823 } 3824 tulip_rx_intr(sc); 3825 if (sc->tulip_flags & TULIP_RXIGNORE) { 3826 /* 3827 * Restart the receiver. 3828 */ 3829 sc->tulip_flags &= ~TULIP_RXIGNORE; 3830 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3831 } 3832 } 3833 if (csr & TULIP_STS_ABNRMLINTR) { 3834 u_int32_t tmp = csr & sc->tulip_intrmask 3835 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3836 if (csr & TULIP_STS_TXUNDERFLOW) { 3837 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3838 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3839 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3840 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3841 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3842 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3843 } 3844 } 3845 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3846 sc->tulip_statusbits |= tmp; 3847 } else { 3848 tulip_print_abnormal_interrupt(sc, tmp); 3849 sc->tulip_flags |= TULIP_NOMESSAGES; 3850 } 3851 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3852 } 3853 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3854 tulip_tx_intr(sc); 3855 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3856 tulip_start_locked(sc); 3857 } 3858 } 3859 if (sc->tulip_flags & TULIP_NEEDRESET) { 3860 tulip_reset(sc); 3861 tulip_init_locked(sc); 3862 } 3863 TULIP_PERFEND(intr); 3864} 3865 3866static void 3867tulip_intr_shared(void *arg) 3868{ 3869 tulip_softc_t * sc = arg; 3870 3871 for (; sc != NULL; sc = sc->tulip_slaves) { 3872 TULIP_LOCK(sc); 3873#if defined(TULIP_DEBUG) 3874 sc->tulip_dbg.dbg_intrs++; 3875#endif 3876 tulip_intr_handler(sc); 3877 TULIP_UNLOCK(sc); 3878 } 3879} 3880 3881static void 3882tulip_intr_normal(void *arg) 3883{ 3884 tulip_softc_t * sc = (tulip_softc_t *) arg; 3885 3886 TULIP_LOCK(sc); 3887#if defined(TULIP_DEBUG) 3888 sc->tulip_dbg.dbg_intrs++; 3889#endif 3890 tulip_intr_handler(sc); 3891 TULIP_UNLOCK(sc); 3892} 3893 3894static struct mbuf * 3895tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3896{ 3897 TULIP_PERFSTART(txput) 3898 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3899 tulip_descinfo_t *eop, *nextout; 3900 int segcnt, free; 3901 u_int32_t d_status; 3902 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3903 bus_dmamap_t *map; 3904 int error, nsegs; 3905 struct mbuf *m0; 3906 3907 TULIP_LOCK_ASSERT(sc); 3908#if defined(TULIP_DEBUG) 3909 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3910 device_printf(sc->tulip_dev, "txput%s: tx not running\n", 3911 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3912 sc->tulip_flags |= TULIP_WANTTXSTART; 3913 sc->tulip_dbg.dbg_txput_finishes[0]++; 3914 goto finish; 3915 } 3916#endif 3917 3918 /* 3919 * Now we try to fill in our transmit descriptors. This is 3920 * a bit reminiscent of going on the Ark two by two 3921 * since each descriptor for the TULIP can describe 3922 * two buffers. So we advance through packet filling 3923 * each of the two entries at a time to fill each 3924 * descriptor. Clear the first and last segment bits 3925 * in each descriptor (actually just clear everything 3926 * but the end-of-ring or chain bits) to make sure 3927 * we don't get messed up by previously sent packets. 3928 * 3929 * We may fail to put the entire packet on the ring if 3930 * there is either not enough ring entries free or if the 3931 * packet has more than MAX_TXSEG segments. In the former 3932 * case we will just wait for the ring to empty. In the 3933 * latter case we have to recopy. 3934 */ 3935#if defined(KTR) && KTR_TULIP 3936 segcnt = 1; 3937 m0 = m; 3938 while (m0->m_next != NULL) { 3939 segcnt++; 3940 m0 = m0->m_next; 3941 } 3942 CTR2(KTR_TULIP, "tulip_txput: sending packet %p (%d chunks)", m, segcnt); 3943#endif 3944 d_status = 0; 3945 eop = nextout = ri->ri_nextout; 3946 segcnt = 0; 3947 free = ri->ri_free; 3948 3949 /* 3950 * Reclaim some tx descriptors if we are out since we need at least one 3951 * free descriptor so that we have a dma_map to load the mbuf. 3952 */ 3953 if (free == 0) { 3954#if defined(TULIP_DEBUG) 3955 sc->tulip_dbg.dbg_no_txmaps++; 3956#endif 3957 free += tulip_tx_intr(sc); 3958 } 3959 if (free == 0) { 3960 sc->tulip_flags |= TULIP_WANTTXSTART; 3961#if defined(TULIP_DEBUG) 3962 sc->tulip_dbg.dbg_txput_finishes[1]++; 3963#endif 3964 goto finish; 3965 } 3966 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs, 3967 &nsegs, BUS_DMA_NOWAIT); 3968 if (error != 0) { 3969 if (error == EFBIG) { 3970 /* 3971 * The packet exceeds the number of transmit buffer 3972 * entries that we can use for one packet, so we have 3973 * to recopy it into one mbuf and then try again. If 3974 * we can't recopy it, try again later. 3975 */ 3976 m0 = m_defrag(m, M_NOWAIT); 3977 if (m0 == NULL) { 3978 sc->tulip_flags |= TULIP_WANTTXSTART; 3979#if defined(TULIP_DEBUG) 3980 sc->tulip_dbg.dbg_txput_finishes[2]++; 3981#endif 3982 goto finish; 3983 } 3984 m = m0; 3985 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, 3986 segs, &nsegs, BUS_DMA_NOWAIT); 3987 } 3988 if (error != 0) { 3989 device_printf(sc->tulip_dev, 3990 "unable to load tx map, error = %d\n", error); 3991#if defined(TULIP_DEBUG) 3992 sc->tulip_dbg.dbg_txput_finishes[3]++; 3993#endif 3994 goto finish; 3995 } 3996 } 3997 CTR1(KTR_TULIP, "tulip_txput: nsegs %d", nsegs); 3998 3999 /* 4000 * Each descriptor allows for up to 2 fragments since we don't use 4001 * the descriptor chaining mode in this driver. 4002 */ 4003 if ((free -= (nsegs + 1) / 2) <= 0 4004 /* 4005 * See if there's any unclaimed space in the transmit ring. 4006 */ 4007 && (free += tulip_tx_intr(sc)) <= 0) { 4008 /* 4009 * There's no more room but since nothing 4010 * has been committed at this point, just 4011 * show output is active, put back the 4012 * mbuf and return. 4013 */ 4014 sc->tulip_flags |= TULIP_WANTTXSTART; 4015#if defined(TULIP_DEBUG) 4016 sc->tulip_dbg.dbg_txput_finishes[4]++; 4017#endif 4018 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 4019 goto finish; 4020 } 4021 for (; nsegs - segcnt > 1; segcnt += 2) { 4022 eop = nextout; 4023 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4024 eop->di_desc->d_status = d_status; 4025 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4026 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4027 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff; 4028 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 4029 d_status = TULIP_DSTS_OWNER; 4030 if (++nextout == ri->ri_last) 4031 nextout = ri->ri_first; 4032 } 4033 if (segcnt < nsegs) { 4034 eop = nextout; 4035 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4036 eop->di_desc->d_status = d_status; 4037 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4038 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4039 eop->di_desc->d_addr2 = 0; 4040 eop->di_desc->d_length2 = 0; 4041 if (++nextout == ri->ri_last) 4042 nextout = ri->ri_first; 4043 } 4044 4045 /* 4046 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 4047 * frame. We just used the dmamap in the first descriptor for the 4048 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 4049 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 4050 * pointers in the two descriptors if this is a multiple-descriptor 4051 * packet. 4052 */ 4053 if (eop != ri->ri_nextout) { 4054 map = eop->di_map; 4055 eop->di_map = ri->ri_nextout->di_map; 4056 ri->ri_nextout->di_map = map; 4057 } 4058 4059 /* 4060 * bounce a copy to the bpf listener, if any. 4061 */ 4062 if (!(sc->tulip_flags & TULIP_DEVICEPROBE)) 4063 BPF_MTAP(sc->tulip_ifp, m); 4064 4065 /* 4066 * The descriptors have been filled in. Now get ready 4067 * to transmit. 4068 */ 4069 CTR3(KTR_TULIP, "tulip_txput: enqueued mbuf %p to descriptors %td - %td", 4070 m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first); 4071 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 4072 eop->di_mbuf = m; 4073 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 4074 m = NULL; 4075 4076 /* 4077 * Make sure the next descriptor after this packet is owned 4078 * by us since it may have been set up above if we ran out 4079 * of room in the ring. 4080 */ 4081 nextout->di_desc->d_status = 0; 4082 TULIP_TXDESC_PRESYNC(ri); 4083 4084 /* 4085 * Mark the last and first segments, indicate we want a transmit 4086 * complete interrupt, and tell it to transmit! 4087 */ 4088 eop->di_desc->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4089 4090 /* 4091 * Note that ri->ri_nextout is still the start of the packet 4092 * and until we set the OWNER bit, we can still back out of 4093 * everything we have done. 4094 */ 4095 ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4096 TULIP_TXDESC_PRESYNC(ri); 4097 ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER; 4098 TULIP_TXDESC_PRESYNC(ri); 4099 4100 /* 4101 * This advances the ring for us. 4102 */ 4103 ri->ri_nextout = nextout; 4104 ri->ri_free = free; 4105 4106 TULIP_PERFEND(txput); 4107 4108 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4109 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4110 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4111 TULIP_PERFEND(txput); 4112 return NULL; 4113 } 4114 4115 /* 4116 * switch back to the single queueing ifstart. 4117 */ 4118 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4119 if (sc->tulip_txtimer == 0) 4120 sc->tulip_txtimer = TULIP_TXTIMER; 4121#if defined(TULIP_DEBUG) 4122 sc->tulip_dbg.dbg_txput_finishes[5]++; 4123#endif 4124 4125 /* 4126 * If we want a txstart, there must be not enough space in the 4127 * transmit ring. So we want to enable transmit done interrupts 4128 * so we can immediately reclaim some space. When the transmit 4129 * interrupt is posted, the interrupt handler will call tx_intr 4130 * to reclaim space and then txstart (since WANTTXSTART is set). 4131 * txstart will move the packet into the transmit ring and clear 4132 * WANTTXSTART thereby causing TXINTR to be cleared. 4133 */ 4134 finish: 4135#if defined(TULIP_DEBUG) 4136 sc->tulip_dbg.dbg_txput_finishes[6]++; 4137#endif 4138 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4139 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4140 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4141 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4142 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4143 } 4144 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4145 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4146 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4147 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4148 } 4149 } 4150 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4151 TULIP_PERFEND(txput); 4152 return m; 4153} 4154 4155static void 4156tulip_txput_setup(tulip_softc_t * const sc) 4157{ 4158 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4159 tulip_desc_t *nextout; 4160 4161 TULIP_LOCK_ASSERT(sc); 4162 4163 /* 4164 * We will transmit, at most, one setup packet per call to ifstart. 4165 */ 4166 4167#if defined(TULIP_DEBUG) 4168 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4169 device_printf(sc->tulip_dev, "txput_setup: tx not running\n"); 4170 sc->tulip_flags |= TULIP_WANTTXSTART; 4171 return; 4172 } 4173#endif 4174 /* 4175 * Try to reclaim some free descriptors.. 4176 */ 4177 if (ri->ri_free < 2) 4178 tulip_tx_intr(sc); 4179 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4180 sc->tulip_flags |= TULIP_WANTTXSTART; 4181 return; 4182 } 4183 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4184 sizeof(sc->tulip_setupdata)); 4185 /* 4186 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 4187 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4188 */ 4189 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4190 ri->ri_free--; 4191 nextout = ri->ri_nextout->di_desc; 4192 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4193 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4194 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4195 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4196 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4197 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4198 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4199 4200 nextout->d_length2 = 0; 4201 nextout->d_addr2 = 0; 4202 nextout->d_length1 = sizeof(sc->tulip_setupdata); 4203 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff; 4204 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 4205 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 4206 TULIP_TXDESC_PRESYNC(ri); 4207 CTR1(KTR_TULIP, "tulip_txput_setup: using descriptor %td", 4208 ri->ri_nextout - ri->ri_first); 4209 4210 /* 4211 * Advance the ring for the next transmit packet. 4212 */ 4213 if (++ri->ri_nextout == ri->ri_last) 4214 ri->ri_nextout = ri->ri_first; 4215 4216 /* 4217 * Make sure the next descriptor is owned by us since it 4218 * may have been set up above if we ran out of room in the 4219 * ring. 4220 */ 4221 ri->ri_nextout->di_desc->d_status = 0; 4222 TULIP_TXDESC_PRESYNC(ri); 4223 nextout->d_status = TULIP_DSTS_OWNER; 4224 /* 4225 * Flush the ownwership of the current descriptor 4226 */ 4227 TULIP_TXDESC_PRESYNC(ri); 4228 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4229 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4230 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4231 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4232 } 4233} 4234 4235static int 4236tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4237{ 4238 TULIP_PERFSTART(ifioctl) 4239 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4240 struct ifreq *ifr = (struct ifreq *) data; 4241 int error = 0; 4242 4243 switch (cmd) { 4244 case SIOCSIFFLAGS: { 4245 TULIP_LOCK(sc); 4246 tulip_init_locked(sc); 4247 TULIP_UNLOCK(sc); 4248 break; 4249 } 4250 4251 case SIOCSIFMEDIA: 4252 case SIOCGIFMEDIA: { 4253 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4254 break; 4255 } 4256 4257 case SIOCADDMULTI: 4258 case SIOCDELMULTI: { 4259 /* 4260 * Update multicast listeners 4261 */ 4262 TULIP_LOCK(sc); 4263 tulip_init_locked(sc); 4264 TULIP_UNLOCK(sc); 4265 error = 0; 4266 break; 4267 } 4268 4269#ifdef SIOCGADDRROM 4270 case SIOCGADDRROM: { 4271 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4272 break; 4273 } 4274#endif 4275#ifdef SIOCGCHIPID 4276 case SIOCGCHIPID: { 4277 ifr->ifr_metric = (int) sc->tulip_chipid; 4278 break; 4279 } 4280#endif 4281 default: { 4282 error = ether_ioctl(ifp, cmd, data); 4283 break; 4284 } 4285 } 4286 4287 TULIP_PERFEND(ifioctl); 4288 return error; 4289} 4290 4291static void 4292tulip_start(struct ifnet * const ifp) 4293{ 4294 TULIP_PERFSTART(ifstart) 4295 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4296 4297 TULIP_LOCK(sc); 4298 tulip_start_locked(sc); 4299 TULIP_UNLOCK(sc); 4300 4301 TULIP_PERFEND(ifstart); 4302} 4303 4304static void 4305tulip_start_locked(tulip_softc_t * const sc) 4306{ 4307 struct mbuf *m; 4308 4309 TULIP_LOCK_ASSERT(sc); 4310 4311 CTR0(KTR_TULIP, "tulip_start_locked invoked"); 4312 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4313 tulip_txput_setup(sc); 4314 4315 CTR1(KTR_TULIP, "tulip_start_locked: %d tx packets pending", 4316 sc->tulip_ifp->if_snd.ifq_len); 4317 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) { 4318 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m); 4319 if(m == NULL) 4320 break; 4321 if ((m = tulip_txput(sc, m)) != NULL) { 4322 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m); 4323 break; 4324 } 4325 } 4326} 4327 4328static void 4329tulip_watchdog(void *arg) 4330{ 4331 TULIP_PERFSTART(stat) 4332 tulip_softc_t *sc = arg; 4333#if defined(TULIP_DEBUG) 4334 u_int32_t rxintrs; 4335#endif 4336 4337 TULIP_LOCK_ASSERT(sc); 4338 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 4339#if defined(TULIP_DEBUG) 4340 rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4341 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4342 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4343 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4344#endif /* TULIP_DEBUG */ 4345 4346 /* 4347 * These should be rare so do a bulk test up front so we can just skip 4348 * them if needed. 4349 */ 4350 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4351 /* 4352 * If the number of receive buffer is low, try to refill 4353 */ 4354 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4355 tulip_rx_intr(sc); 4356 4357 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4358 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n", 4359 sc->tulip_system_errors, 4360 tulip_system_errors[sc->tulip_last_system_error]); 4361 } 4362 if (sc->tulip_statusbits) { 4363 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4364 sc->tulip_statusbits = 0; 4365 } 4366 4367 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4368 } 4369 4370 if (sc->tulip_txtimer) 4371 tulip_tx_intr(sc); 4372 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4373 if_printf(sc->tulip_ifp, "transmission timeout\n"); 4374 if (TULIP_DO_AUTOSENSE(sc)) { 4375 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4376 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4377 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4378 } 4379 tulip_reset(sc); 4380 tulip_init_locked(sc); 4381 } 4382 4383 TULIP_PERFEND(stat); 4384 TULIP_PERFMERGE(sc, perf_intr_cycles); 4385 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4386 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4387 TULIP_PERFMERGE(sc, perf_stat_cycles); 4388 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4389 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4390 TULIP_PERFMERGE(sc, perf_txput_cycles); 4391 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4392 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4393 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4394 TULIP_PERFMERGE(sc, perf_intr); 4395 TULIP_PERFMERGE(sc, perf_ifstart); 4396 TULIP_PERFMERGE(sc, perf_ifioctl); 4397 TULIP_PERFMERGE(sc, perf_stat); 4398 TULIP_PERFMERGE(sc, perf_timeout); 4399 TULIP_PERFMERGE(sc, perf_ifstart_one); 4400 TULIP_PERFMERGE(sc, perf_txput); 4401 TULIP_PERFMERGE(sc, perf_txintr); 4402 TULIP_PERFMERGE(sc, perf_rxintr); 4403 TULIP_PERFMERGE(sc, perf_rxget); 4404} 4405 4406static void 4407tulip_attach(tulip_softc_t * const sc) 4408{ 4409 struct ifnet *ifp; 4410 4411 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER); 4412 4413 /* XXX: driver name/unit should be set some other way */ 4414 if_initname(ifp, "de", sc->tulip_unit); 4415 ifp->if_softc = sc; 4416 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4417 ifp->if_ioctl = tulip_ifioctl; 4418 ifp->if_start = tulip_start; 4419 ifp->if_init = tulip_init; 4420 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4421 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4422 IFQ_SET_READY(&ifp->if_snd); 4423 4424 device_printf(sc->tulip_dev, "%s%s pass %d.%d%s\n", 4425 sc->tulip_boardid, 4426 tulip_chipdescs[sc->tulip_chipid], 4427 (sc->tulip_revinfo & 0xF0) >> 4, 4428 sc->tulip_revinfo & 0x0F, 4429 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4430 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4431 4432 TULIP_LOCK(sc); 4433 (*sc->tulip_boardsw->bd_media_probe)(sc); 4434 ifmedia_init(&sc->tulip_ifmedia, 0, 4435 tulip_ifmedia_change, 4436 tulip_ifmedia_status); 4437 tulip_ifmedia_add(sc); 4438 4439 tulip_reset(sc); 4440 TULIP_UNLOCK(sc); 4441 4442 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr); 4443 4444 TULIP_LOCK(sc); 4445 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4446 TULIP_UNLOCK(sc); 4447} 4448 4449/* Release memory for a single descriptor ring. */ 4450static void 4451tulip_busdma_freering(tulip_ringinfo_t *ri) 4452{ 4453 int i; 4454 4455 /* Release the DMA maps and tag for data buffers. */ 4456 if (ri->ri_data_maps != NULL) { 4457 for (i = 0; i < ri->ri_max; i++) { 4458 if (ri->ri_data_maps[i] != NULL) { 4459 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 4460 ri->ri_data_maps[i] = NULL; 4461 } 4462 } 4463 free(ri->ri_data_maps, M_DEVBUF); 4464 ri->ri_data_maps = NULL; 4465 } 4466 if (ri->ri_data_tag != NULL) { 4467 bus_dma_tag_destroy(ri->ri_data_tag); 4468 ri->ri_data_tag = NULL; 4469 } 4470 4471 /* Release the DMA memory and tag for the ring descriptors. */ 4472 if (ri->ri_dma_addr != 0) { 4473 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 4474 ri->ri_dma_addr = 0; 4475 } 4476 if (ri->ri_descs != NULL) { 4477 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 4478 ri->ri_descs = NULL; 4479 } 4480 if (ri->ri_ring_tag != NULL) { 4481 bus_dma_tag_destroy(ri->ri_ring_tag); 4482 ri->ri_ring_tag = NULL; 4483 } 4484} 4485 4486/* Allocate memory for a single descriptor ring. */ 4487static int 4488tulip_busdma_allocring(device_t dev, tulip_softc_t * const sc, size_t count, 4489 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name) 4490{ 4491 size_t size; 4492 int error, i; 4493 4494 /* First, setup a tag. */ 4495 ri->ri_max = count; 4496 size = count * sizeof(tulip_desc_t); 4497 error = bus_dma_tag_create(bus_get_dma_tag(dev), 4498 32, 0, BUS_SPACE_MAXADDR_32BIT, 4499 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL, 4500 &ri->ri_ring_tag); 4501 if (error) { 4502 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 4503 name); 4504 return (error); 4505 } 4506 4507 /* Next, allocate memory for the descriptors. */ 4508 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 4509 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 4510 if (error) { 4511 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 4512 name); 4513 return (error); 4514 } 4515 4516 /* Map the descriptors. */ 4517 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 4518 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 4519 if (error) { 4520 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 4521 name); 4522 return (error); 4523 } 4524 4525 /* Allocate a tag for the data buffers. */ 4526 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0, 4527 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4528 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, NULL, NULL, &ri->ri_data_tag); 4529 if (error) { 4530 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 4531 return (error); 4532 } 4533 4534 /* Allocate maps for the data buffers. */ 4535 ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 4536 M_WAITOK | M_ZERO); 4537 for (i = 0; i < count; i++) { 4538 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 4539 if (error) { 4540 device_printf(dev, "failed to create map for %s buffer %d\n", 4541 name, i); 4542 return (error); 4543 } 4544 } 4545 4546 return (0); 4547} 4548 4549/* Release busdma maps, tags, and memory. */ 4550static void 4551tulip_busdma_cleanup(tulip_softc_t * const sc) 4552{ 4553 4554 /* Release resources for the setup descriptor. */ 4555 if (sc->tulip_setup_dma_addr != 0) { 4556 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 4557 sc->tulip_setup_dma_addr = 0; 4558 } 4559 if (sc->tulip_setupbuf != NULL) { 4560 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf, 4561 sc->tulip_setup_map); 4562 sc->tulip_setupbuf = NULL; 4563 } 4564 if (sc->tulip_setup_tag != NULL) { 4565 bus_dma_tag_destroy(sc->tulip_setup_tag); 4566 sc->tulip_setup_tag = NULL; 4567 } 4568 4569 /* Release the transmit ring. */ 4570 tulip_busdma_freering(&sc->tulip_txinfo); 4571 4572 /* Release the receive ring. */ 4573 tulip_busdma_freering(&sc->tulip_rxinfo); 4574} 4575 4576static int 4577tulip_busdma_init(device_t dev, tulip_softc_t * const sc) 4578{ 4579 int error; 4580 4581 /* 4582 * Allocate space and dmamap for transmit ring. 4583 */ 4584 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG, 4585 &sc->tulip_txinfo, "transmit"); 4586 if (error) 4587 return (error); 4588 4589 /* 4590 * Allocate space and dmamap for receive ring. We tell bus_dma that 4591 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4592 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4593 * a waste in practice though as an ethernet frame can easily fit 4594 * in TULIP_RX_BUFLEN bytes. 4595 */ 4596 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1, 4597 &sc->tulip_rxinfo, "receive"); 4598 if (error) 4599 return (error); 4600 4601 /* 4602 * Allocate a DMA tag, memory, and map for setup descriptor 4603 */ 4604 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0, 4605 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4606 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4607 NULL, NULL, &sc->tulip_setup_tag); 4608 if (error) { 4609 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4610 return (error); 4611 } 4612 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4613 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4614 if (error) { 4615 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4616 return (error); 4617 } 4618 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4619 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4620 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4621 if (error) { 4622 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4623 return (error); 4624 } 4625 4626 return error; 4627} 4628 4629static void 4630tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base, 4631 size_t csr_size) 4632{ 4633 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4634 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4635 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4636 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4637 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4638 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4639 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4640 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4641 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4642 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4643 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4644 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4645 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4646 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4647 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4648 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4649} 4650 4651static int 4652tulip_initring( 4653 device_t dev, 4654 tulip_softc_t * const sc, 4655 tulip_ringinfo_t * const ri, 4656 int ndescs) 4657{ 4658 int i; 4659 4660 ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4661 M_WAITOK | M_ZERO); 4662 for (i = 0; i < ndescs; i++) { 4663 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4664 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4665 } 4666 ri->ri_first = ri->ri_descinfo; 4667 ri->ri_max = ndescs; 4668 ri->ri_last = ri->ri_first + ri->ri_max; 4669 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4670 ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING; 4671 return (0); 4672} 4673 4674/* 4675 * This is the PCI configuration support. 4676 */ 4677 4678#define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4679#define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4680#define PCI_CFDA 0x40 /* Configuration Driver Area */ 4681 4682static int 4683tulip_pci_probe(device_t dev) 4684{ 4685 const char *name = NULL; 4686 4687 if (pci_get_vendor(dev) != DEC_VENDORID) 4688 return ENXIO; 4689 4690 /* 4691 * Some LanMedia WAN cards use the Tulip chip, but they have 4692 * their own driver, and we should not recognize them 4693 */ 4694 if (pci_get_subvendor(dev) == 0x1376) 4695 return ENXIO; 4696 4697 switch (pci_get_device(dev)) { 4698 case CHIPID_21040: 4699 name = "Digital 21040 Ethernet"; 4700 break; 4701 case CHIPID_21041: 4702 name = "Digital 21041 Ethernet"; 4703 break; 4704 case CHIPID_21140: 4705 if (pci_get_revid(dev) >= 0x20) 4706 name = "Digital 21140A Fast Ethernet"; 4707 else 4708 name = "Digital 21140 Fast Ethernet"; 4709 break; 4710 case CHIPID_21142: 4711 if (pci_get_revid(dev) >= 0x20) 4712 name = "Digital 21143 Fast Ethernet"; 4713 else 4714 name = "Digital 21142 Fast Ethernet"; 4715 break; 4716 } 4717 if (name) { 4718 device_set_desc(dev, name); 4719 return BUS_PROBE_LOW_PRIORITY; 4720 } 4721 return ENXIO; 4722} 4723 4724static int 4725tulip_shutdown(device_t dev) 4726{ 4727 tulip_softc_t * const sc = device_get_softc(dev); 4728 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4729 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4730 33MHz that comes to two microseconds but wait a 4731 bit longer anyways) */ 4732 return 0; 4733} 4734 4735static int 4736tulip_pci_attach(device_t dev) 4737{ 4738 tulip_softc_t *sc; 4739 int retval, idx; 4740 u_int32_t revinfo, cfdainfo; 4741 unsigned csroffset = TULIP_PCI_CSROFFSET; 4742 unsigned csrsize = TULIP_PCI_CSRSIZE; 4743 tulip_csrptr_t csr_base; 4744 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4745 struct resource *res; 4746 int rid, unit; 4747 4748 unit = device_get_unit(dev); 4749 4750 if (unit >= TULIP_MAX_DEVICES) { 4751 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4752 TULIP_MAX_DEVICES); 4753 return ENXIO; 4754 } 4755 4756 revinfo = pci_get_revid(dev); 4757 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4758 4759 /* turn busmaster on in case BIOS doesn't set it */ 4760 pci_enable_busmaster(dev); 4761 4762 if (pci_get_vendor(dev) == DEC_VENDORID) { 4763 if (pci_get_device(dev) == CHIPID_21040) 4764 chipid = TULIP_21040; 4765 else if (pci_get_device(dev) == CHIPID_21041) 4766 chipid = TULIP_21041; 4767 else if (pci_get_device(dev) == CHIPID_21140) 4768 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4769 else if (pci_get_device(dev) == CHIPID_21142) 4770 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4771 } 4772 if (chipid == TULIP_CHIPID_UNKNOWN) 4773 return ENXIO; 4774 4775 if (chipid == TULIP_21040 && revinfo < 0x20) { 4776 device_printf(dev, 4777 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4778 revinfo >> 4, revinfo & 0x0f); 4779 return ENXIO; 4780 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4781 device_printf(dev, 4782 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4783 revinfo >> 4, revinfo & 0x0f); 4784 return ENXIO; 4785 } 4786 4787 sc = device_get_softc(dev); 4788 sc->tulip_dev = dev; 4789 sc->tulip_pci_busno = pci_get_bus(dev); 4790 sc->tulip_pci_devno = pci_get_slot(dev); 4791 sc->tulip_chipid = chipid; 4792 sc->tulip_flags |= TULIP_DEVICEPROBE; 4793 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4794 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4795 if (chipid == TULIP_21140A && revinfo <= 0x22) 4796 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4797 if (chipid == TULIP_21140) 4798 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4799 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4800 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4801 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4802 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4803 if (chipid != TULIP_21041 || revinfo >= 0x20) 4804 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4805 if (chipid != TULIP_21041) 4806 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4807 if (chipid != TULIP_21041 && revinfo >= 0x20) 4808 sc->tulip_features |= TULIP_HAVE_SIA100; 4809 } 4810 4811 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4812 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4813 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4814 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4815 DELAY(11*1000); 4816 } 4817 4818 sc->tulip_unit = unit; 4819 sc->tulip_revinfo = revinfo; 4820#if defined(TULIP_IOMAPPED) 4821 rid = PCI_CBIO; 4822 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4823#else 4824 rid = PCI_CBMA; 4825 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4826#endif 4827 if (!res) 4828 return ENXIO; 4829 sc->tulip_csrs_bst = rman_get_bustag(res); 4830 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4831 csr_base = 0; 4832 4833 mtx_init(TULIP_MUTEX(sc), MTX_NETWORK_LOCK, device_get_nameunit(dev), 4834 MTX_DEF); 4835 callout_init_mtx(&sc->tulip_callout, TULIP_MUTEX(sc), 0); 4836 callout_init_mtx(&sc->tulip_stat_timer, TULIP_MUTEX(sc), 0); 4837 tulips[unit] = sc; 4838 4839 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4840 4841 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4842 device_printf(dev, "error initing bus_dma: %d\n", retval); 4843 tulip_busdma_cleanup(sc); 4844 mtx_destroy(TULIP_MUTEX(sc)); 4845 return ENXIO; 4846 } 4847 4848 retval = tulip_initring(dev, sc, &sc->tulip_rxinfo, TULIP_RXDESCS); 4849 if (retval == 0) 4850 retval = tulip_initring(dev, sc, &sc->tulip_txinfo, TULIP_TXDESCS); 4851 if (retval) { 4852 tulip_busdma_cleanup(sc); 4853 mtx_destroy(TULIP_MUTEX(sc)); 4854 return retval; 4855 } 4856 4857 /* 4858 * Make sure there won't be any interrupts or such... 4859 */ 4860 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4861 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4862 33MHz that comes to two microseconds but wait a 4863 bit longer anyways) */ 4864 4865 TULIP_LOCK(sc); 4866 retval = tulip_read_macaddr(sc); 4867 TULIP_UNLOCK(sc); 4868 if (retval < 0) { 4869 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4870 for (idx = 0; idx < 32; idx++) 4871 printf("%02x", sc->tulip_rombuf[idx]); 4872 printf("\n"); 4873 device_printf(dev, "%s%s pass %d.%d\n", 4874 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4875 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4876 device_printf(dev, "address unknown\n"); 4877 } else { 4878 void (*intr_rtn)(void *) = tulip_intr_normal; 4879 4880 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4881 intr_rtn = tulip_intr_shared; 4882 4883 tulip_attach(sc); 4884 4885 /* Setup interrupt last. */ 4886 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4887 void *ih; 4888 4889 rid = 0; 4890 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4891 RF_SHAREABLE | RF_ACTIVE); 4892 if (res == NULL || bus_setup_intr(dev, res, INTR_TYPE_NET | 4893 INTR_MPSAFE, NULL, intr_rtn, sc, &ih)) { 4894 device_printf(dev, "couldn't map interrupt\n"); 4895 tulip_busdma_cleanup(sc); 4896 ether_ifdetach(sc->tulip_ifp); 4897 if_free(sc->tulip_ifp); 4898 mtx_destroy(TULIP_MUTEX(sc)); 4899 return ENXIO; 4900 } 4901 } 4902 } 4903 return 0; 4904} 4905 4906static device_method_t tulip_pci_methods[] = { 4907 /* Device interface */ 4908 DEVMETHOD(device_probe, tulip_pci_probe), 4909 DEVMETHOD(device_attach, tulip_pci_attach), 4910 DEVMETHOD(device_shutdown, tulip_shutdown), 4911 { 0, 0 } 4912}; 4913 4914static driver_t tulip_pci_driver = { 4915 "de", 4916 tulip_pci_methods, 4917 sizeof(tulip_softc_t), 4918}; 4919 4920static devclass_t tulip_devclass; 4921 4922DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4923 4924#ifdef DDB 4925void tulip_dumpring(int unit, int ring); 4926void tulip_dumpdesc(int unit, int ring, int desc); 4927void tulip_status(int unit); 4928 4929void 4930tulip_dumpring(int unit, int ring) 4931{ 4932 tulip_softc_t *sc; 4933 tulip_ringinfo_t *ri; 4934 tulip_descinfo_t *di; 4935 4936 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4937 db_printf("invalid unit %d\n", unit); 4938 return; 4939 } 4940 sc = tulips[unit]; 4941 if (sc == NULL) { 4942 db_printf("unit %d not present\n", unit); 4943 return; 4944 } 4945 4946 switch (ring) { 4947 case 0: 4948 db_printf("receive ring:\n"); 4949 ri = &sc->tulip_rxinfo; 4950 break; 4951 case 1: 4952 db_printf("transmit ring:\n"); 4953 ri = &sc->tulip_txinfo; 4954 break; 4955 default: 4956 db_printf("invalid ring %d\n", ring); 4957 return; 4958 } 4959 4960 db_printf(" nextin: %td, nextout: %td, max: %d, free: %d\n", 4961 ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first, 4962 ri->ri_max, ri->ri_free); 4963 for (di = ri->ri_first; di != ri->ri_last; di++) { 4964 if (di->di_mbuf != NULL) 4965 db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first, 4966 di->di_mbuf); 4967 else if (di->di_desc->d_flag & TULIP_DFLAG_TxSETUPPKT) 4968 db_printf(" descriptor %td: setup packet\n", di - ri->ri_first); 4969 } 4970} 4971 4972void 4973tulip_dumpdesc(int unit, int ring, int desc) 4974{ 4975 tulip_softc_t *sc; 4976 tulip_ringinfo_t *ri; 4977 tulip_descinfo_t *di; 4978 char *s; 4979 4980 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4981 db_printf("invalid unit %d\n", unit); 4982 return; 4983 } 4984 sc = tulips[unit]; 4985 if (sc == NULL) { 4986 db_printf("unit %d not present\n", unit); 4987 return; 4988 } 4989 4990 switch (ring) { 4991 case 0: 4992 s = "receive"; 4993 ri = &sc->tulip_rxinfo; 4994 break; 4995 case 1: 4996 s = "transmit"; 4997 ri = &sc->tulip_txinfo; 4998 break; 4999 default: 5000 db_printf("invalid ring %d\n", ring); 5001 return; 5002 } 5003 5004 if (desc < 0 || desc >= ri->ri_max) { 5005 db_printf("invalid descriptor %d\n", desc); 5006 return; 5007 } 5008 5009 db_printf("%s descriptor %d:\n", s, desc); 5010 di = &ri->ri_first[desc]; 5011 db_printf(" mbuf: %p\n", di->di_mbuf); 5012 db_printf(" status: %08x flag: %03x\n", di->di_desc->d_status, 5013 di->di_desc->d_flag); 5014 db_printf(" addr1: %08x len1: %03x\n", di->di_desc->d_addr1, 5015 di->di_desc->d_length1); 5016 db_printf(" addr2: %08x len2: %03x\n", di->di_desc->d_addr2, 5017 di->di_desc->d_length2); 5018} 5019#endif 5020