fxr.watson.org: FREEBSD-11-2 sys/dev/de/if

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sys/dev/de/if_de.c

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1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */ 2 /*- 3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. The name of the author may not be used to endorse or promote products 12 * derived from this software without specific prior written permission 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp 26 */ 27 28 /* 29 * DEC 21040 PCI Ethernet Controller 30 * 31 * Written by Matt Thomas 32 * BPF support code stolen directly from if_ec.c 33 * 34 * This driver supports the DEC DE435 or any other PCI 35 * board which support 21040, 21041, or 21140 (mostly). 36 */ 37 38 #include <sys/cdefs.h> 39 __FBSDID("$FreeBSD: releng/11.2/sys/dev/de/if_de.c 332290 2018-04-08 16:59:39Z brooks $"); 40 41 #define TULIP_HDR_DATA 42 43 #include "opt_ddb.h" 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/endian.h> 48 #include <sys/ktr.h> 49 #include <sys/mbuf.h> 50 #include <sys/socket.h> 51 #include <sys/sockio.h> 52 #include <sys/malloc.h> 53 #include <sys/kernel.h> 54 #include <sys/module.h> 55 #include <sys/eventhandler.h> 56 #include <machine/bus.h> 57 #include <machine/bus_dma.h> 58 #include <machine/resource.h> 59 #include <sys/bus.h> 60 #include <sys/rman.h> 61 62 #include <net/if.h> 63 #include <net/if_var.h> 64 #include <net/if_arp.h> 65 #include <net/ethernet.h> 66 #include <net/if_media.h> 67 #include <net/if_types.h> 68 #include <net/if_dl.h> 69 70 #include <net/bpf.h> 71 72 #ifdef INET 73 #include <netinet/in.h> 74 #include <netinet/if_ether.h> 75 #endif 76 77 #include <vm/vm.h> 78 79 #include <net/if_var.h> 80 #include <vm/pmap.h> 81 #include <dev/pci/pcivar.h> 82 #include <dev/pci/pcireg.h> 83 #include <dev/de/dc21040reg.h> 84 85 #ifdef DDB 86 #include <ddb/ddb.h> 87 #endif 88 89 /* 90 * Intel CPUs should use I/O mapped access. 91 */ 92 #if defined(__i386__) 93 #define TULIP_IOMAPPED 94 #endif 95 96 #if 0 97 /* This enables KTR traces at KTR_DEV. */ 98 #define KTR_TULIP KTR_DEV 99 #else 100 #define KTR_TULIP 0 101 #endif 102 103 #if 0 104 /* 105 * This turns on all sort of debugging stuff and make the 106 * driver much larger. 107 */ 108 #define TULIP_DEBUG 109 #endif 110 111 #if 0 112 #define TULIP_PERFSTATS 113 #endif 114 115 #define TULIP_HZ 10 116 117 #include <dev/de/if_devar.h> 118 119 #define SYNC_NONE 0 120 #define SYNC_RX 1 121 #define SYNC_TX 2 122 123 /* 124 * This module supports 125 * the DEC 21040 PCI Ethernet Controller. 126 * the DEC 21041 PCI Ethernet Controller. 127 * the DEC 21140 PCI Fast Ethernet Controller. 128 */ 129 static void tulip_addr_filter(tulip_softc_t * const sc); 130 static int tulip_ifmedia_change(struct ifnet * const ifp); 131 static void tulip_ifmedia_status(struct ifnet * const ifp, 132 struct ifmediareq *req); 133 static void tulip_init(void *); 134 static void tulip_init_locked(tulip_softc_t * const sc); 135 static void tulip_intr_shared(void *arg); 136 static void tulip_intr_normal(void *arg); 137 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, 138 const unsigned phyaddr); 139 static int tulip_mii_map_abilities(tulip_softc_t * const sc, 140 unsigned abilities); 141 static tulip_media_t 142 tulip_mii_phy_readspecific(tulip_softc_t * const sc); 143 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, 144 unsigned regno); 145 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 146 unsigned regno, unsigned data); 147 static void tulip_reset(tulip_softc_t * const sc); 148 static void tulip_rx_intr(tulip_softc_t * const sc); 149 static int tulip_srom_decode(tulip_softc_t * const sc); 150 static void tulip_start(struct ifnet *ifp); 151 static void tulip_start_locked(tulip_softc_t * const sc); 152 static struct mbuf * 153 tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 154 static void tulip_txput_setup(tulip_softc_t * const sc); 155 static void tulip_watchdog(void *arg); 156 struct mbuf * tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, 157 int sync); 158 static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int); 159 static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int, 160 bus_size_t, int); 161 162 static void 163 tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error) 164 { 165 bus_addr_t *paddr; 166 167 if (error) 168 return; 169 170 paddr = arg; 171 *paddr = segs->ds_addr; 172 } 173 174 static void 175 tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg, 176 bus_size_t mapsize, int error) 177 { 178 tulip_desc_t *desc; 179 180 if (error) 181 return; 182 183 desc = arg; 184 KASSERT(nseg == 1, ("too many DMA segments")); 185 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small")); 186 187 desc->d_addr1 = segs[0].ds_addr & 0xffffffff; 188 desc->d_length1 = TULIP_RX_BUFLEN; 189 #ifdef not_needed 190 /* These should already always be zero. */ 191 desc->d_addr2 = 0; 192 desc->d_length2 = 0; 193 #endif 194 } 195 196 struct mbuf * 197 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync) 198 { 199 struct mbuf *m; 200 201 m = di->di_mbuf; 202 if (m != NULL) { 203 switch (sync) { 204 case SYNC_NONE: 205 break; 206 case SYNC_RX: 207 TULIP_RXMAP_POSTSYNC(ri, di); 208 break; 209 case SYNC_TX: 210 TULIP_TXMAP_POSTSYNC(ri, di); 211 break; 212 default: 213 panic("bad sync flag: %d", sync); 214 } 215 bus_dmamap_unload(ri->ri_data_tag, *di->di_map); 216 di->di_mbuf = NULL; 217 } 218 return (m); 219 } 220 221 static void 222 tulip_timeout_callback(void *arg) 223 { 224 tulip_softc_t * const sc = arg; 225 226 TULIP_PERFSTART(timeout) 227 TULIP_LOCK_ASSERT(sc); 228 229 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 230 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 231 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 232 233 TULIP_PERFEND(timeout); 234 } 235 236 static void 237 tulip_timeout(tulip_softc_t * const sc) 238 { 239 TULIP_LOCK_ASSERT(sc); 240 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 241 return; 242 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 243 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ, 244 tulip_timeout_callback, sc); 245 } 246 247 static int 248 tulip_txprobe(tulip_softc_t * const sc) 249 { 250 struct mbuf *m; 251 u_char *enaddr; 252 253 /* 254 * Before we are sure this is the right media we need 255 * to send a small packet to make sure there's carrier. 256 * Strangely, BNC and AUI will "see" receive data if 257 * either is connected so the transmit is the only way 258 * to verify the connectivity. 259 */ 260 TULIP_LOCK_ASSERT(sc); 261 MGETHDR(m, M_NOWAIT, MT_DATA); 262 if (m == NULL) 263 return 0; 264 /* 265 * Construct a LLC TEST message which will point to ourselves. 266 */ 267 if (sc->tulip_ifp->if_input != NULL) 268 enaddr = IF_LLADDR(sc->tulip_ifp); 269 else 270 enaddr = sc->tulip_enaddr; 271 bcopy(enaddr, mtod(m, struct ether_header *)->ether_dhost, ETHER_ADDR_LEN); 272 bcopy(enaddr, mtod(m, struct ether_header *)->ether_shost, ETHER_ADDR_LEN); 273 mtod(m, struct ether_header *)->ether_type = htons(3); 274 mtod(m, unsigned char *)[14] = 0; 275 mtod(m, unsigned char *)[15] = 0; 276 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 277 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 278 /* 279 * send it! 280 */ 281 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 282 sc->tulip_intrmask |= TULIP_STS_TXINTR; 283 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 284 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 285 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 286 if ((m = tulip_txput(sc, m)) != NULL) 287 m_freem(m); 288 sc->tulip_probe.probe_txprobes++; 289 return 1; 290 } 291 292 static void 293 tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 294 { 295 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 296 297 TULIP_LOCK_ASSERT(sc); 298 if (mi == NULL) 299 return; 300 301 /* 302 * If we are switching media, make sure we don't think there's 303 * any stale RX activity 304 */ 305 sc->tulip_flags &= ~TULIP_RXACT; 306 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 307 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 308 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 309 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 310 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general); 311 DELAY(50); 312 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general); 313 } else { 314 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general); 315 } 316 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 317 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 318 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 319 /* 320 * If the cmdmode bits don't match the currently operating mode, 321 * set the cmdmode appropriately and reset the chip. 322 */ 323 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 324 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 325 sc->tulip_cmdmode |= mi->mi_cmdmode; 326 tulip_reset(sc); 327 } 328 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 329 DELAY(10); 330 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 331 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 332 /* 333 * If the cmdmode bits don't match the currently operating mode, 334 * set the cmdmode appropriately and reset the chip. 335 */ 336 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 337 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 338 sc->tulip_cmdmode |= mi->mi_cmdmode; 339 tulip_reset(sc); 340 } 341 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 342 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 343 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 344 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 345 int idx; 346 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 347 const u_int8_t *dp; 348 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 349 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 350 DELAY(10); 351 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 352 } 353 sc->tulip_phyaddr = mi->mi_phyaddr; 354 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 355 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 356 DELAY(10); 357 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 358 } 359 } else { 360 for (idx = 0; idx < mi->mi_reset_length; idx++) { 361 DELAY(10); 362 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 363 } 364 sc->tulip_phyaddr = mi->mi_phyaddr; 365 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 366 DELAY(10); 367 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 368 } 369 } 370 if (sc->tulip_flags & TULIP_TRYNWAY) { 371 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 372 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 373 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 374 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 375 sc->tulip_flags &= ~TULIP_DIDNWAY; 376 if (TULIP_IS_MEDIA_FD(media)) 377 data |= PHYCTL_FULL_DUPLEX; 378 if (TULIP_IS_MEDIA_100MB(media)) 379 data |= PHYCTL_SELECT_100MB; 380 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 381 } 382 } 383 } 384 385 static void 386 tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 387 { 388 TULIP_LOCK_ASSERT(sc); 389 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 390 sc->tulip_flags |= TULIP_PRINTLINKUP; 391 sc->tulip_flags |= TULIP_LINKUP; 392 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 393 #if 0 /* XXX how does with work with ifmedia? */ 394 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 395 if (sc->tulip_ifp->if_flags & IFF_FULLDUPLEX) { 396 if (TULIP_CAN_MEDIA_FD(media) 397 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 398 media = TULIP_FD_MEDIA_OF(media); 399 } else { 400 if (TULIP_IS_MEDIA_FD(media) 401 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 402 media = TULIP_HD_MEDIA_OF(media); 403 } 404 } 405 #endif 406 if (sc->tulip_media != media) { 407 #ifdef TULIP_DEBUG 408 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 409 #endif 410 sc->tulip_media = media; 411 sc->tulip_flags |= TULIP_PRINTMEDIA; 412 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 413 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 414 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 415 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 416 } 417 } 418 /* 419 * We could set probe_timeout to 0 but setting to 3000 puts this 420 * in one central place and the only matters is tulip_link is 421 * followed by a tulip_timeout. Therefore setting it should not 422 * result in aberrant behaviour. 423 */ 424 sc->tulip_probe_timeout = 3000; 425 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 426 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 427 if (sc->tulip_flags & TULIP_INRESET) { 428 tulip_media_set(sc, sc->tulip_media); 429 } else if (sc->tulip_probe_media != sc->tulip_media) { 430 /* 431 * No reason to change media if we have the right media. 432 */ 433 tulip_reset(sc); 434 } 435 tulip_init_locked(sc); 436 } 437 438 static void 439 tulip_media_print(tulip_softc_t * const sc) 440 { 441 442 TULIP_LOCK_ASSERT(sc); 443 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 444 return; 445 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 446 device_printf(sc->tulip_dev, "enabling %s port\n", 447 tulip_mediums[sc->tulip_media]); 448 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 449 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 450 device_printf(sc->tulip_dev, "link up\n"); 451 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 452 } 453 } 454 455 #if defined(TULIP_DO_GPR_SENSE) 456 static tulip_media_t 457 tulip_21140_gpr_media_sense(tulip_softc_t * const sc) 458 { 459 struct ifnet *ifp sc->tulip_ifp; 460 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 461 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 462 tulip_media_t media; 463 464 TULIP_LOCK_ASSERT(sc); 465 466 /* 467 * If one of the media blocks contained a default media flag, 468 * use that. 469 */ 470 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 471 const tulip_media_info_t *mi; 472 /* 473 * Media is not supported (or is full-duplex). 474 */ 475 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 476 continue; 477 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 478 continue; 479 480 /* 481 * Remember the media is this is the "default" media. 482 */ 483 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 484 maybe_media = media; 485 486 /* 487 * No activity mask? Can't see if it is active if there's no mask. 488 */ 489 if (mi->mi_actmask == 0) 490 continue; 491 492 /* 493 * Does the activity data match? 494 */ 495 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 496 continue; 497 498 #if defined(TULIP_DEBUG) 499 device_printf(sc->tulip_dev, "%s: %s: 0x%02x & 0x%02x == 0x%02x\n", 500 __func__, tulip_mediums[media], TULIP_CSR_READ(sc, csr_gp) & 0xFF, 501 mi->mi_actmask, mi->mi_actdata); 502 #endif 503 /* 504 * It does! If this is the first media we detected, then 505 * remember this media. If isn't the first, then there were 506 * multiple matches which we equate to no match (since we don't 507 * which to select (if any). 508 */ 509 if (last_media == TULIP_MEDIA_UNKNOWN) { 510 last_media = media; 511 } else if (last_media != media) { 512 last_media = TULIP_MEDIA_UNKNOWN; 513 } 514 } 515 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 516 } 517 #endif /* TULIP_DO_GPR_SENSE */ 518 519 static tulip_link_status_t 520 tulip_media_link_monitor(tulip_softc_t * const sc) 521 { 522 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 523 tulip_link_status_t linkup = TULIP_LINK_DOWN; 524 525 TULIP_LOCK_ASSERT(sc); 526 if (mi == NULL) { 527 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 528 panic("tulip_media_link_monitor: %s: botch at line %d\n", 529 tulip_mediums[sc->tulip_media],__LINE__); 530 #else 531 return TULIP_LINK_UNKNOWN; 532 #endif 533 } 534 535 536 /* 537 * Have we seen some packets? If so, the link must be good. 538 */ 539 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 540 sc->tulip_flags &= ~TULIP_RXACT; 541 sc->tulip_probe_timeout = 3000; 542 return TULIP_LINK_UP; 543 } 544 545 sc->tulip_flags &= ~TULIP_RXACT; 546 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 547 u_int32_t status; 548 /* 549 * Read the PHY status register. 550 */ 551 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 552 if (status & PHYSTS_AUTONEG_DONE) { 553 /* 554 * If the PHY has completed autonegotiation, see the if the 555 * remote systems abilities have changed. If so, upgrade or 556 * downgrade as appropriate. 557 */ 558 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 559 abilities = (abilities << 6) & status; 560 if (abilities != sc->tulip_abilities) { 561 #if defined(TULIP_DEBUG) 562 loudprintf("%s(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 563 ifp->if_xname, sc->tulip_phyaddr, 564 sc->tulip_abilities, abilities); 565 #endif 566 if (tulip_mii_map_abilities(sc, abilities)) { 567 tulip_linkup(sc, sc->tulip_probe_media); 568 return TULIP_LINK_UP; 569 } 570 /* 571 * if we had selected media because of autonegotiation, 572 * we need to probe for the new media. 573 */ 574 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 575 if (sc->tulip_flags & TULIP_DIDNWAY) 576 return TULIP_LINK_DOWN; 577 } 578 } 579 /* 580 * The link is now up. If was down, say its back up. 581 */ 582 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 583 linkup = TULIP_LINK_UP; 584 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 585 /* 586 * No activity sensor? Assume all's well. 587 */ 588 if (mi->mi_actmask == 0) 589 return TULIP_LINK_UNKNOWN; 590 /* 591 * Does the activity data match? 592 */ 593 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 594 linkup = TULIP_LINK_UP; 595 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 596 /* 597 * Assume non TP ok for now. 598 */ 599 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 600 return TULIP_LINK_UNKNOWN; 601 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 602 linkup = TULIP_LINK_UP; 603 #if defined(TULIP_DEBUG) 604 if (sc->tulip_probe_timeout <= 0) 605 device_printf(sc->tulip_dev, "sia status = 0x%08x\n", 606 TULIP_CSR_READ(sc, csr_sia_status)); 607 #endif 608 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 609 return TULIP_LINK_UNKNOWN; 610 } 611 /* 612 * We will wait for 3 seconds until the link goes into suspect mode. 613 */ 614 if (sc->tulip_flags & TULIP_LINKUP) { 615 if (linkup == TULIP_LINK_UP) 616 sc->tulip_probe_timeout = 3000; 617 if (sc->tulip_probe_timeout > 0) 618 return TULIP_LINK_UP; 619 620 sc->tulip_flags &= ~TULIP_LINKUP; 621 device_printf(sc->tulip_dev, "link down: cable problem?\n"); 622 } 623 #if defined(TULIP_DEBUG) 624 sc->tulip_dbg.dbg_link_downed++; 625 #endif 626 return TULIP_LINK_DOWN; 627 } 628 629 static void 630 tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 631 { 632 633 TULIP_LOCK_ASSERT(sc); 634 #if defined(TULIP_DEBUG) 635 sc->tulip_dbg.dbg_events[event]++; 636 #endif 637 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 638 && event == TULIP_MEDIAPOLL_TIMER) { 639 switch (tulip_media_link_monitor(sc)) { 640 case TULIP_LINK_DOWN: { 641 /* 642 * Link Monitor failed. Probe for new media. 643 */ 644 event = TULIP_MEDIAPOLL_LINKFAIL; 645 break; 646 } 647 case TULIP_LINK_UP: { 648 /* 649 * Check again soon. 650 */ 651 tulip_timeout(sc); 652 return; 653 } 654 case TULIP_LINK_UNKNOWN: { 655 /* 656 * We can't tell so don't bother. 657 */ 658 return; 659 } 660 } 661 } 662 663 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 664 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 665 if (TULIP_DO_AUTOSENSE(sc)) { 666 #if defined(TULIP_DEBUG) 667 sc->tulip_dbg.dbg_link_failures++; 668 #endif 669 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 670 if (sc->tulip_ifp->if_flags & IFF_UP) 671 tulip_reset(sc); /* restart probe */ 672 } 673 return; 674 } 675 #if defined(TULIP_DEBUG) 676 sc->tulip_dbg.dbg_link_pollintrs++; 677 #endif 678 } 679 680 if (event == TULIP_MEDIAPOLL_START) { 681 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 682 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 683 return; 684 sc->tulip_probe_mediamask = 0; 685 sc->tulip_probe_passes = 0; 686 #if defined(TULIP_DEBUG) 687 sc->tulip_dbg.dbg_media_probes++; 688 #endif 689 /* 690 * If the SROM contained an explicit media to use, use it. 691 */ 692 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 693 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 694 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 695 /* 696 * connidx is defaulted to a media_unknown type. 697 */ 698 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 699 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 700 tulip_linkup(sc, sc->tulip_probe_media); 701 tulip_timeout(sc); 702 return; 703 } 704 705 if (sc->tulip_features & TULIP_HAVE_GPR) { 706 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 707 sc->tulip_probe_timeout = 2000; 708 } else { 709 sc->tulip_probe_media = TULIP_MEDIA_MAX; 710 sc->tulip_probe_timeout = 0; 711 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 712 } 713 } 714 715 /* 716 * Ignore txprobe failures or spurious callbacks. 717 */ 718 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 719 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 720 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 721 return; 722 } 723 724 /* 725 * If we really transmitted a packet, then that's the media we'll use. 726 */ 727 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 728 if (event == TULIP_MEDIAPOLL_LINKPASS) { 729 /* XXX Check media status just to be sure */ 730 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 731 #if defined(TULIP_DEBUG) 732 } else { 733 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 734 #endif 735 } 736 tulip_linkup(sc, sc->tulip_probe_media); 737 tulip_timeout(sc); 738 return; 739 } 740 741 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 742 #if defined(TULIP_DO_GPR_SENSE) 743 /* 744 * Check for media via the general purpose register. 745 * 746 * Try to sense the media via the GPR. If the same value 747 * occurs 3 times in a row then just use that. 748 */ 749 if (sc->tulip_probe_timeout > 0) { 750 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 751 #if defined(TULIP_DEBUG) 752 device_printf(sc->tulip_dev, "%s: gpr sensing = %s\n", __func__, 753 tulip_mediums[new_probe_media]); 754 #endif 755 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 756 if (new_probe_media == sc->tulip_probe_media) { 757 if (--sc->tulip_probe_count == 0) 758 tulip_linkup(sc, sc->tulip_probe_media); 759 } else { 760 sc->tulip_probe_count = 10; 761 } 762 } 763 sc->tulip_probe_media = new_probe_media; 764 tulip_timeout(sc); 765 return; 766 } 767 #endif /* TULIP_DO_GPR_SENSE */ 768 /* 769 * Brute force. We cycle through each of the media types 770 * and try to transmit a packet. 771 */ 772 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 773 sc->tulip_probe_media = TULIP_MEDIA_MAX; 774 sc->tulip_probe_timeout = 0; 775 tulip_timeout(sc); 776 return; 777 } 778 779 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 780 && (sc->tulip_features & TULIP_HAVE_MII)) { 781 tulip_media_t old_media = sc->tulip_probe_media; 782 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 783 switch (sc->tulip_probe_state) { 784 case TULIP_PROBE_FAILED: 785 case TULIP_PROBE_MEDIATEST: { 786 /* 787 * Try the next media. 788 */ 789 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 790 sc->tulip_probe_timeout = 0; 791 #ifdef notyet 792 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 793 break; 794 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 795 break; 796 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 797 #endif 798 break; 799 } 800 case TULIP_PROBE_PHYAUTONEG: { 801 return; 802 } 803 case TULIP_PROBE_INACTIVE: { 804 /* 805 * Only probe if we autonegotiated a media that hasn't failed. 806 */ 807 sc->tulip_probe_timeout = 0; 808 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 809 sc->tulip_probe_media = old_media; 810 break; 811 } 812 tulip_linkup(sc, sc->tulip_probe_media); 813 tulip_timeout(sc); 814 return; 815 } 816 default: { 817 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 818 panic("tulip_media_poll: botch at line %d\n", __LINE__); 819 #endif 820 break; 821 } 822 } 823 } 824 825 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 826 #if defined(TULIP_DEBUG) 827 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 828 #endif 829 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 830 return; 831 } 832 833 /* 834 * switch to another media if we tried this one enough. 835 */ 836 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 837 #if defined(TULIP_DEBUG) 838 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 839 device_printf(sc->tulip_dev, "poll media unknown!\n"); 840 sc->tulip_probe_media = TULIP_MEDIA_MAX; 841 } 842 #endif 843 /* 844 * Find the next media type to check for. Full Duplex 845 * types are not allowed. 846 */ 847 do { 848 sc->tulip_probe_media -= 1; 849 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 850 if (++sc->tulip_probe_passes == 3) { 851 device_printf(sc->tulip_dev, 852 "autosense failed: cable problem?\n"); 853 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 854 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 855 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 856 return; 857 } 858 } 859 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 860 sc->tulip_probe_mediamask = 0; 861 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 862 } 863 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 864 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 865 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 866 867 #if defined(TULIP_DEBUG) 868 device_printf(sc->tulip_dev, "%s: probing %s\n", 869 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 870 tulip_mediums[sc->tulip_probe_media]); 871 #endif 872 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 873 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 874 sc->tulip_probe.probe_txprobes = 0; 875 tulip_reset(sc); 876 tulip_media_set(sc, sc->tulip_probe_media); 877 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 878 } 879 tulip_timeout(sc); 880 881 /* 882 * If this is hanging off a phy, we know are doing NWAY and we have 883 * forced the phy to a specific speed. Wait for link up before 884 * before sending a packet. 885 */ 886 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 887 case TULIP_MEDIAINFO_MII: { 888 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 889 return; 890 break; 891 } 892 case TULIP_MEDIAINFO_SIA: { 893 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 894 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 895 return; 896 tulip_linkup(sc, sc->tulip_probe_media); 897 #ifdef notyet 898 if (sc->tulip_features & TULIP_HAVE_MII) 899 tulip_timeout(sc); 900 #endif 901 return; 902 } 903 break; 904 } 905 case TULIP_MEDIAINFO_RESET: 906 case TULIP_MEDIAINFO_SYM: 907 case TULIP_MEDIAINFO_NONE: 908 case TULIP_MEDIAINFO_GPR: { 909 break; 910 } 911 } 912 /* 913 * Try to send a packet. 914 */ 915 tulip_txprobe(sc); 916 } 917 918 static void 919 tulip_media_select(tulip_softc_t * const sc) 920 { 921 TULIP_LOCK_ASSERT(sc); 922 if (sc->tulip_features & TULIP_HAVE_GPR) { 923 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 924 DELAY(10); 925 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 926 } 927 /* 928 * If this board has no media, just return 929 */ 930 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 931 return; 932 933 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 934 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 935 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 936 } else { 937 tulip_media_set(sc, sc->tulip_media); 938 } 939 } 940 941 static void 942 tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 943 { 944 TULIP_LOCK_ASSERT(sc); 945 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 946 |TULIP_CMD_BACKOFFCTR; 947 sc->tulip_ifp->if_baudrate = 10000000; 948 949 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 950 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 951 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 952 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 953 } 954 955 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 956 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 957 } 958 959 if (media == TULIP_MEDIA_UNKNOWN) { 960 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 961 } 962 } 963 964 static void 965 tulip_21040_media_probe(tulip_softc_t * const sc) 966 { 967 TULIP_LOCK_ASSERT(sc); 968 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 969 return; 970 } 971 972 static void 973 tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 974 { 975 TULIP_LOCK_ASSERT(sc); 976 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 977 tulip_media_set(sc, TULIP_MEDIA_10BASET); 978 sc->tulip_media = TULIP_MEDIA_10BASET; 979 } 980 981 static void 982 tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 983 { 984 TULIP_LOCK_ASSERT(sc); 985 sc->tulip_flags |= TULIP_LINKUP; 986 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 987 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 988 sc->tulip_flags &= ~TULIP_SQETEST; 989 } else { 990 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 991 sc->tulip_flags |= TULIP_SQETEST; 992 } 993 tulip_media_set(sc, sc->tulip_media); 994 } 995 996 static void 997 tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 998 { 999 TULIP_LOCK_ASSERT(sc); 1000 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1001 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1002 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1003 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1004 } 1005 1006 static void 1007 tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 1008 { 1009 TULIP_LOCK_ASSERT(sc); 1010 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1011 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1012 } 1013 1014 static const tulip_boardsw_t tulip_21040_boardsw = { 1015 TULIP_21040_GENERIC, 1016 tulip_21040_media_probe, 1017 tulip_media_select, 1018 tulip_media_poll, 1019 }; 1020 1021 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1022 TULIP_21040_GENERIC, 1023 tulip_21040_10baset_only_media_probe, 1024 tulip_21040_10baset_only_media_select, 1025 NULL, 1026 }; 1027 1028 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1029 TULIP_21040_GENERIC, 1030 tulip_21040_auibnc_only_media_probe, 1031 tulip_21040_auibnc_only_media_select, 1032 NULL, 1033 }; 1034 1035 static void 1036 tulip_21041_mediainfo_init(tulip_softc_t * const sc) 1037 { 1038 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1039 1040 TULIP_LOCK_ASSERT(sc); 1041 #ifdef notyet 1042 if (sc->tulip_revinfo >= 0x20) { 1043 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1044 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1045 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1046 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1047 return; 1048 } 1049 #endif 1050 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1051 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1052 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1053 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1054 } 1055 1056 static void 1057 tulip_21041_media_probe(tulip_softc_t * const sc) 1058 { 1059 TULIP_LOCK_ASSERT(sc); 1060 sc->tulip_ifp->if_baudrate = 10000000; 1061 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1062 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1063 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1064 tulip_21041_mediainfo_init(sc); 1065 } 1066 1067 static void 1068 tulip_21041_media_poll(tulip_softc_t * const sc, 1069 const tulip_mediapoll_event_t event) 1070 { 1071 u_int32_t sia_status; 1072 1073 TULIP_LOCK_ASSERT(sc); 1074 #if defined(TULIP_DEBUG) 1075 sc->tulip_dbg.dbg_events[event]++; 1076 #endif 1077 1078 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1079 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1080 || !TULIP_DO_AUTOSENSE(sc)) 1081 return; 1082 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1083 tulip_reset(sc); /* start probe */ 1084 return; 1085 } 1086 1087 /* 1088 * If we've been been asked to start a poll or link change interrupt 1089 * restart the probe (and reset the tulip to a known state). 1090 */ 1091 if (event == TULIP_MEDIAPOLL_START) { 1092 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1093 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1094 #ifdef notyet 1095 if (sc->tulip_revinfo >= 0x20) { 1096 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1097 sc->tulip_flags |= TULIP_DIDNWAY; 1098 } 1099 #endif 1100 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1101 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1102 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1103 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1104 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1105 tulip_timeout(sc); 1106 return; 1107 } 1108 1109 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1110 return; 1111 1112 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1113 #if defined(TULIP_DEBUG) 1114 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1115 #endif 1116 tulip_linkup(sc, sc->tulip_probe_media); 1117 return; 1118 } 1119 1120 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1121 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1122 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1123 if (sc->tulip_revinfo >= 0x20) { 1124 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1125 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1126 } 1127 /* 1128 * If the link has passed LinkPass, 10baseT is the 1129 * proper media to use. 1130 */ 1131 tulip_linkup(sc, sc->tulip_probe_media); 1132 return; 1133 } 1134 1135 /* 1136 * wait for up to 2.4 seconds for the link to reach pass state. 1137 * Only then start scanning the other media for activity. 1138 * choose media with receive activity over those without. 1139 */ 1140 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1141 if (event != TULIP_MEDIAPOLL_TIMER) 1142 return; 1143 if (sc->tulip_probe_timeout > 0 1144 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1145 tulip_timeout(sc); 1146 return; 1147 } 1148 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1149 sc->tulip_flags |= TULIP_WANTRXACT; 1150 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1151 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1152 } else { 1153 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1154 } 1155 tulip_media_set(sc, sc->tulip_probe_media); 1156 tulip_timeout(sc); 1157 return; 1158 } 1159 1160 /* 1161 * If we failed, clear the txprobe active flag. 1162 */ 1163 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1164 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1165 1166 1167 if (event == TULIP_MEDIAPOLL_TIMER) { 1168 /* 1169 * If we've received something, then that's our link! 1170 */ 1171 if (sc->tulip_flags & TULIP_RXACT) { 1172 tulip_linkup(sc, sc->tulip_probe_media); 1173 return; 1174 } 1175 /* 1176 * if no txprobe active 1177 */ 1178 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1179 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1180 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1181 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1182 tulip_txprobe(sc); 1183 tulip_timeout(sc); 1184 return; 1185 } 1186 /* 1187 * Take 2 passes through before deciding to not 1188 * wait for receive activity. Then take another 1189 * two passes before spitting out a warning. 1190 */ 1191 if (sc->tulip_probe_timeout <= 0) { 1192 if (sc->tulip_flags & TULIP_WANTRXACT) { 1193 sc->tulip_flags &= ~TULIP_WANTRXACT; 1194 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1195 } else { 1196 device_printf(sc->tulip_dev, 1197 "autosense failed: cable problem?\n"); 1198 if ((sc->tulip_ifp->if_flags & IFF_UP) == 0) { 1199 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1200 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1201 return; 1202 } 1203 } 1204 } 1205 } 1206 1207 /* 1208 * Since this media failed to probe, try the other one. 1209 */ 1210 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1211 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1212 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1213 } else { 1214 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1215 } 1216 tulip_media_set(sc, sc->tulip_probe_media); 1217 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1218 tulip_timeout(sc); 1219 } 1220 1221 static const tulip_boardsw_t tulip_21041_boardsw = { 1222 TULIP_21041_GENERIC, 1223 tulip_21041_media_probe, 1224 tulip_media_select, 1225 tulip_21041_media_poll 1226 }; 1227 1228 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1229 { 0x20005c00, 0, /* 08-00-17 */ 1230 { 1231 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1232 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1233 }, 1234 #if defined(TULIP_DEBUG) 1235 "NS DP83840", 1236 #endif 1237 }, 1238 { 0x0281F400, 0, /* 00-A0-7D */ 1239 { 1240 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1241 { }, /* 100TX */ 1242 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1243 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1244 }, 1245 #if defined(TULIP_DEBUG) 1246 "Seeq 80C240" 1247 #endif 1248 }, 1249 #if 0 1250 { 0x0015F420, 0, /* 00-A0-7D */ 1251 { 1252 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1253 { }, /* 100TX */ 1254 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1255 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1256 }, 1257 #if defined(TULIP_DEBUG) 1258 "Broadcom BCM5000" 1259 #endif 1260 }, 1261 #endif 1262 { 0x0281F400, 0, /* 00-A0-BE */ 1263 { 1264 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1265 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1266 { }, /* 100T4 */ 1267 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1268 }, 1269 #if defined(TULIP_DEBUG) 1270 "ICS 1890" 1271 #endif 1272 }, 1273 { 0 } 1274 }; 1275 1276 static tulip_media_t 1277 tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1278 { 1279 const tulip_phy_attr_t *attr; 1280 u_int16_t data; 1281 u_int32_t id; 1282 unsigned idx = 0; 1283 static const tulip_media_t table[] = { 1284 TULIP_MEDIA_UNKNOWN, 1285 TULIP_MEDIA_10BASET, 1286 TULIP_MEDIA_100BASETX, 1287 TULIP_MEDIA_100BASET4, 1288 TULIP_MEDIA_UNKNOWN, 1289 TULIP_MEDIA_10BASET_FD, 1290 TULIP_MEDIA_100BASETX_FD, 1291 TULIP_MEDIA_UNKNOWN 1292 }; 1293 1294 TULIP_LOCK_ASSERT(sc); 1295 1296 /* 1297 * Don't read phy specific registers if link is not up. 1298 */ 1299 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1300 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1301 return TULIP_MEDIA_UNKNOWN; 1302 1303 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1304 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1305 for (attr = tulip_mii_phy_attrlist;; attr++) { 1306 if (attr->attr_id == 0) 1307 return TULIP_MEDIA_UNKNOWN; 1308 if ((id & ~0x0F) == attr->attr_id) 1309 break; 1310 } 1311 1312 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1313 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1314 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1315 if ((data & pm->pm_mask) == pm->pm_value) 1316 idx = 2; 1317 } 1318 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1319 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1320 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1321 if ((data & pm->pm_mask) == pm->pm_value) 1322 idx = 3; 1323 } 1324 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1325 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1326 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1327 if ((data & pm->pm_mask) == pm->pm_value) 1328 idx = 1; 1329 } 1330 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1331 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1332 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1333 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1334 } 1335 return table[idx]; 1336 } 1337 1338 static unsigned 1339 tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1340 { 1341 unsigned phyaddr; 1342 1343 TULIP_LOCK_ASSERT(sc); 1344 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1345 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1346 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1347 continue; 1348 if (offset == 0) 1349 return phyaddr; 1350 offset--; 1351 } 1352 if (offset == 0) { 1353 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1354 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1355 return TULIP_MII_NOPHY; 1356 return 0; 1357 } 1358 return TULIP_MII_NOPHY; 1359 } 1360 1361 static int 1362 tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1363 { 1364 TULIP_LOCK_ASSERT(sc); 1365 sc->tulip_abilities = abilities; 1366 if (abilities & PHYSTS_100BASETX_FD) { 1367 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1368 } else if (abilities & PHYSTS_100BASET4) { 1369 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1370 } else if (abilities & PHYSTS_100BASETX) { 1371 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1372 } else if (abilities & PHYSTS_10BASET_FD) { 1373 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1374 } else if (abilities & PHYSTS_10BASET) { 1375 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1376 } else { 1377 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1378 return 0; 1379 } 1380 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1381 return 1; 1382 } 1383 1384 static void 1385 tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1386 { 1387 struct ifnet *ifp = sc->tulip_ifp; 1388 1389 TULIP_LOCK_ASSERT(sc); 1390 switch (sc->tulip_probe_state) { 1391 case TULIP_PROBE_MEDIATEST: 1392 case TULIP_PROBE_INACTIVE: { 1393 sc->tulip_flags |= TULIP_DIDNWAY; 1394 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1395 sc->tulip_probe_timeout = 3000; 1396 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1397 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1398 } 1399 /* FALLTHROUGH */ 1400 case TULIP_PROBE_PHYRESET: { 1401 u_int32_t status; 1402 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1403 if (data & PHYCTL_RESET) { 1404 if (sc->tulip_probe_timeout > 0) { 1405 tulip_timeout(sc); 1406 return; 1407 } 1408 printf("%s(phy%d): error: reset of PHY never completed!\n", 1409 ifp->if_xname, phyaddr); 1410 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1411 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1412 sc->tulip_ifp->if_flags &= ~IFF_UP; 1413 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1414 return; 1415 } 1416 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1417 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1418 #if defined(TULIP_DEBUG) 1419 loudprintf("%s(phy%d): autonegotiation disabled\n", 1420 ifp->if_xname, phyaddr); 1421 #endif 1422 sc->tulip_flags &= ~TULIP_DIDNWAY; 1423 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1424 return; 1425 } 1426 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1427 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1428 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1429 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1430 #if defined(TULIP_DEBUG) 1431 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1432 loudprintf("%s(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1433 ifp->if_xname, phyaddr, data); 1434 else 1435 loudprintf("%s(phy%d): autonegotiation restarted: 0x%04x\n", 1436 ifp->if_xname, phyaddr, data); 1437 sc->tulip_dbg.dbg_nway_starts++; 1438 #endif 1439 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1440 sc->tulip_probe_timeout = 3000; 1441 } 1442 /* FALLTHROUGH */ 1443 case TULIP_PROBE_PHYAUTONEG: { 1444 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1445 u_int32_t data; 1446 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1447 if (sc->tulip_probe_timeout > 0) { 1448 tulip_timeout(sc); 1449 return; 1450 } 1451 #if defined(TULIP_DEBUG) 1452 loudprintf("%s(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1453 ifp->if_xname, phyaddr, status, 1454 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1455 #endif 1456 sc->tulip_flags &= ~TULIP_DIDNWAY; 1457 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1458 return; 1459 } 1460 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1461 #if defined(TULIP_DEBUG) 1462 loudprintf("%s(phy%d): autonegotiation complete: 0x%04x\n", 1463 ifp->if_xname, phyaddr, data); 1464 #endif 1465 data = (data << 6) & status; 1466 if (!tulip_mii_map_abilities(sc, data)) 1467 sc->tulip_flags &= ~TULIP_DIDNWAY; 1468 return; 1469 } 1470 default: { 1471 #if defined(DIAGNOSTIC) 1472 panic("tulip_media_poll: botch at line %d\n", __LINE__); 1473 #endif 1474 break; 1475 } 1476 } 1477 #if defined(TULIP_DEBUG) 1478 loudprintf("%s(phy%d): autonegotiation failure: state = %d\n", 1479 ifp->if_xname, phyaddr, sc->tulip_probe_state); 1480 sc->tulip_dbg.dbg_nway_failures++; 1481 #endif 1482 } 1483 1484 static void 1485 tulip_2114x_media_preset(tulip_softc_t * const sc) 1486 { 1487 const tulip_media_info_t *mi = NULL; 1488 tulip_media_t media = sc->tulip_media; 1489 1490 TULIP_LOCK_ASSERT(sc); 1491 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1492 media = sc->tulip_media; 1493 else 1494 media = sc->tulip_probe_media; 1495 1496 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1497 sc->tulip_flags &= ~TULIP_SQETEST; 1498 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1499 #if defined(TULIP_DEBUG) 1500 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1501 #endif 1502 mi = sc->tulip_mediums[media]; 1503 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1504 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1505 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1506 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1507 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1508 sc->tulip_cmdmode |= mi->mi_cmdmode; 1509 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1510 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1511 } 1512 #if defined(TULIP_DEBUG) 1513 } else { 1514 device_printf(sc->tulip_dev, "preset: bad media %d!\n", media); 1515 } 1516 #endif 1517 } 1518 switch (media) { 1519 case TULIP_MEDIA_BNC: 1520 case TULIP_MEDIA_AUI: 1521 case TULIP_MEDIA_10BASET: { 1522 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1523 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1524 sc->tulip_ifp->if_baudrate = 10000000; 1525 sc->tulip_flags |= TULIP_SQETEST; 1526 break; 1527 } 1528 case TULIP_MEDIA_10BASET_FD: { 1529 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1530 sc->tulip_ifp->if_baudrate = 10000000; 1531 break; 1532 } 1533 case TULIP_MEDIA_100BASEFX: 1534 case TULIP_MEDIA_100BASET4: 1535 case TULIP_MEDIA_100BASETX: { 1536 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1537 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1538 sc->tulip_ifp->if_baudrate = 100000000; 1539 break; 1540 } 1541 case TULIP_MEDIA_100BASEFX_FD: 1542 case TULIP_MEDIA_100BASETX_FD: { 1543 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1544 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1545 sc->tulip_ifp->if_baudrate = 100000000; 1546 break; 1547 } 1548 default: { 1549 break; 1550 } 1551 } 1552 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1553 } 1554 1555 /* 1556 ******************************************************************** 1557 * Start of 21140/21140A support which does not use the MII interface 1558 */ 1559 1560 static void 1561 tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1562 { 1563 #if defined(TULIP_DEBUG) 1564 sc->tulip_dbg.dbg_events[event]++; 1565 #endif 1566 #if defined(DIAGNOSTIC) 1567 device_printf(sc->tulip_dev, "botch(media_poll) at line %d\n", __LINE__); 1568 #endif 1569 } 1570 1571 static inline void 1572 tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1573 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1574 { 1575 TULIP_LOCK_ASSERT(sc); 1576 sc->tulip_mediums[media] = mip; 1577 mip->mi_type = TULIP_MEDIAINFO_GPR; 1578 mip->mi_cmdmode = cmdmode; 1579 mip->mi_gpdata = gpdata; 1580 } 1581 1582 static void 1583 tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1584 { 1585 tulip_media_info_t *mip = sc->tulip_mediainfo; 1586 1587 TULIP_LOCK_ASSERT(sc); 1588 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1589 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1590 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1591 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1592 TULIP_CSR_WRITE(sc, csr_command, 1593 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1594 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1595 TULIP_CSR_WRITE(sc, csr_command, 1596 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1597 DELAY(1000000); 1598 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1599 sc->tulip_media = TULIP_MEDIA_10BASET; 1600 } else { 1601 sc->tulip_media = TULIP_MEDIA_100BASETX; 1602 } 1603 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1604 TULIP_GP_EB_INIT, 1605 TULIP_CMD_TXTHRSHLDCTL); 1606 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1607 TULIP_GP_EB_INIT, 1608 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1609 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1610 TULIP_GP_EB_INIT, 1611 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1612 |TULIP_CMD_SCRAMBLER); 1613 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1614 TULIP_GP_EB_INIT, 1615 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1616 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1617 } 1618 1619 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1620 TULIP_21140_DEC_EB, 1621 tulip_21140_evalboard_media_probe, 1622 tulip_media_select, 1623 tulip_null_media_poll, 1624 tulip_2114x_media_preset, 1625 }; 1626 1627 static void 1628 tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1629 { 1630 tulip_media_info_t *mip = sc->tulip_mediainfo; 1631 unsigned gpdata; 1632 1633 TULIP_LOCK_ASSERT(sc); 1634 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1635 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1636 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1637 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1638 TULIP_CSR_WRITE(sc, csr_command, 1639 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1640 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1641 TULIP_CSR_WRITE(sc, csr_command, 1642 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1643 DELAY(1000000); 1644 gpdata = TULIP_CSR_READ(sc, csr_gp); 1645 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1646 sc->tulip_media = TULIP_MEDIA_10BASET; 1647 } else { 1648 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1649 sc->tulip_media = TULIP_MEDIA_BNC; 1650 } else { 1651 sc->tulip_media = TULIP_MEDIA_100BASETX; 1652 } 1653 } 1654 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1655 TULIP_GP_EN1207_BNC_INIT, 1656 TULIP_CMD_TXTHRSHLDCTL); 1657 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1658 TULIP_GP_EN1207_UTP_INIT, 1659 TULIP_CMD_TXTHRSHLDCTL); 1660 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1661 TULIP_GP_EN1207_UTP_INIT, 1662 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1663 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1664 TULIP_GP_EN1207_100_INIT, 1665 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1666 |TULIP_CMD_SCRAMBLER); 1667 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1668 TULIP_GP_EN1207_100_INIT, 1669 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1670 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1671 } 1672 1673 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1674 TULIP_21140_EN1207, 1675 tulip_21140_accton_media_probe, 1676 tulip_media_select, 1677 tulip_null_media_poll, 1678 tulip_2114x_media_preset, 1679 }; 1680 1681 static void 1682 tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1683 { 1684 tulip_media_info_t *mip = sc->tulip_mediainfo; 1685 int idx, cnt = 0; 1686 1687 TULIP_LOCK_ASSERT(sc); 1688 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1689 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1690 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1691 33MHz that comes to two microseconds but wait a 1692 bit longer anyways) */ 1693 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1694 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1695 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1696 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1697 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1698 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1699 DELAY(200000); 1700 for (idx = 1000; idx > 0; idx--) { 1701 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1702 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1703 if (++cnt > 100) 1704 break; 1705 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1706 break; 1707 } else { 1708 cnt = 0; 1709 } 1710 DELAY(1000); 1711 } 1712 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1713 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1714 TULIP_GP_SMC_9332_INIT, 1715 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1716 |TULIP_CMD_SCRAMBLER); 1717 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1718 TULIP_GP_SMC_9332_INIT, 1719 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1720 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1721 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1722 TULIP_GP_SMC_9332_INIT, 1723 TULIP_CMD_TXTHRSHLDCTL); 1724 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1725 TULIP_GP_SMC_9332_INIT, 1726 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1727 } 1728 1729 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1730 TULIP_21140_SMC_9332, 1731 tulip_21140_smc9332_media_probe, 1732 tulip_media_select, 1733 tulip_null_media_poll, 1734 tulip_2114x_media_preset, 1735 }; 1736 1737 static void 1738 tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1739 { 1740 tulip_media_info_t *mip = sc->tulip_mediainfo; 1741 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1742 1743 TULIP_LOCK_ASSERT(sc); 1744 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1745 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1746 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1747 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1748 1749 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1750 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1751 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1752 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1753 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1754 1755 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1756 TULIP_GP_EM100_INIT, 1757 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1758 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1759 TULIP_GP_EM100_INIT, 1760 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1761 |TULIP_CMD_FULLDUPLEX); 1762 } else { 1763 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1764 sc->tulip_media = TULIP_MEDIA_100BASETX; 1765 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1766 TULIP_GP_EM100_INIT, 1767 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1768 |TULIP_CMD_SCRAMBLER); 1769 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1770 TULIP_GP_EM100_INIT, 1771 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1772 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1773 } 1774 } 1775 1776 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1777 TULIP_21140_COGENT_EM100, 1778 tulip_21140_cogent_em100_media_probe, 1779 tulip_media_select, 1780 tulip_null_media_poll, 1781 tulip_2114x_media_preset 1782 }; 1783 1784 static void 1785 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1786 { 1787 tulip_media_info_t *mip = sc->tulip_mediainfo; 1788 int cnt10 = 0, cnt100 = 0, idx; 1789 1790 TULIP_LOCK_ASSERT(sc); 1791 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1792 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1793 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1794 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1795 TULIP_CSR_WRITE(sc, csr_command, 1796 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1797 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1798 TULIP_CSR_WRITE(sc, csr_command, 1799 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1800 1801 DELAY(200000); 1802 for (idx = 1000; idx > 0; idx--) { 1803 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1804 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)) { 1805 if (++cnt100 > 100) 1806 break; 1807 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1808 if (++cnt10 > 100) 1809 break; 1810 } else { 1811 cnt10 = 0; 1812 cnt100 = 0; 1813 } 1814 DELAY(1000); 1815 } 1816 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1817 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1818 TULIP_GP_ZX34X_INIT, 1819 TULIP_CMD_TXTHRSHLDCTL); 1820 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1821 TULIP_GP_ZX34X_INIT, 1822 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1823 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1824 TULIP_GP_ZX34X_INIT, 1825 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1826 |TULIP_CMD_SCRAMBLER); 1827 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1828 TULIP_GP_ZX34X_INIT, 1829 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1830 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1831 } 1832 1833 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1834 TULIP_21140_ZNYX_ZX34X, 1835 tulip_21140_znyx_zx34x_media_probe, 1836 tulip_media_select, 1837 tulip_null_media_poll, 1838 tulip_2114x_media_preset, 1839 }; 1840 1841 static void 1842 tulip_2114x_media_probe(tulip_softc_t * const sc) 1843 { 1844 TULIP_LOCK_ASSERT(sc); 1845 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1846 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1847 } 1848 1849 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1850 TULIP_21140_ISV, 1851 tulip_2114x_media_probe, 1852 tulip_media_select, 1853 tulip_media_poll, 1854 tulip_2114x_media_preset, 1855 }; 1856 1857 /* 1858 * ******** END of chip-specific handlers. *********** 1859 */ 1860 1861 /* 1862 * Code the read the SROM and MII bit streams (I2C) 1863 */ 1864 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1865 1866 static void 1867 tulip_srom_idle(tulip_softc_t * const sc) 1868 { 1869 unsigned bit, csr; 1870 1871 csr = SROMSEL ; EMIT; 1872 csr = SROMSEL | SROMRD; EMIT; 1873 csr ^= SROMCS; EMIT; 1874 csr ^= SROMCLKON; EMIT; 1875 1876 /* 1877 * Write 25 cycles of 0 which will force the SROM to be idle. 1878 */ 1879 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1880 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1881 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1882 } 1883 csr ^= SROMCLKOFF; EMIT; 1884 csr ^= SROMCS; EMIT; 1885 csr = 0; EMIT; 1886 } 1887 1888 static void 1889 tulip_srom_read(tulip_softc_t * const sc) 1890 { 1891 unsigned idx; 1892 const unsigned bitwidth = SROM_BITWIDTH; 1893 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1894 const unsigned msb = 1 << (bitwidth + 3 - 1); 1895 unsigned lastidx = (1 << bitwidth) - 1; 1896 1897 tulip_srom_idle(sc); 1898 1899 for (idx = 0; idx <= lastidx; idx++) { 1900 unsigned lastbit, data, bits, bit, csr; 1901 csr = SROMSEL ; EMIT; 1902 csr = SROMSEL | SROMRD; EMIT; 1903 csr ^= SROMCSON; EMIT; 1904 csr ^= SROMCLKON; EMIT; 1905 1906 lastbit = 0; 1907 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1908 const unsigned thisbit = bits & msb; 1909 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1910 if (thisbit != lastbit) { 1911 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1912 } else { 1913 EMIT; 1914 } 1915 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1916 lastbit = thisbit; 1917 } 1918 csr ^= SROMCLKOFF; EMIT; 1919 1920 for (data = 0, bits = 0; bits < 16; bits++) { 1921 data <<= 1; 1922 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1923 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1924 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1925 } 1926 sc->tulip_rombuf[idx*2] = data & 0xFF; 1927 sc->tulip_rombuf[idx*2+1] = data >> 8; 1928 csr = SROMSEL | SROMRD; EMIT; 1929 csr = 0; EMIT; 1930 } 1931 tulip_srom_idle(sc); 1932 } 1933 1934 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); DELAY(1); } while (0) 1935 1936 static void 1937 tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1938 { 1939 unsigned msb = 1 << (bits - 1); 1940 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1941 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1942 1943 TULIP_LOCK_ASSERT(sc); 1944 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1945 1946 for (; bits > 0; bits--, data <<= 1) { 1947 const unsigned thisbit = data & msb; 1948 if (thisbit != lastbit) { 1949 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1950 } 1951 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1952 lastbit = thisbit; 1953 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1954 } 1955 } 1956 1957 static void 1958 tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1959 { 1960 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1961 1962 TULIP_LOCK_ASSERT(sc); 1963 if (cmd == MII_WRCMD) { 1964 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1965 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1966 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1967 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1968 } else { 1969 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1970 } 1971 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1972 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1973 } 1974 1975 static unsigned 1976 tulip_mii_readbits(tulip_softc_t * const sc) 1977 { 1978 unsigned data; 1979 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1980 int idx; 1981 1982 TULIP_LOCK_ASSERT(sc); 1983 for (idx = 0, data = 0; idx < 16; idx++) { 1984 data <<= 1; /* this is NOOP on the first pass through */ 1985 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1986 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1987 data |= 1; 1988 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1989 } 1990 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1991 1992 return data; 1993 } 1994 1995 static unsigned 1996 tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1997 { 1998 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1999 unsigned data; 2000 2001 TULIP_LOCK_ASSERT(sc); 2002 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2003 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2004 tulip_mii_writebits(sc, MII_RDCMD, 8); 2005 tulip_mii_writebits(sc, devaddr, 5); 2006 tulip_mii_writebits(sc, regno, 5); 2007 tulip_mii_turnaround(sc, MII_RDCMD); 2008 2009 data = tulip_mii_readbits(sc); 2010 #if defined(TULIP_DEBUG) 2011 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2012 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2013 #endif 2014 return data; 2015 } 2016 2017 static void 2018 tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 2019 unsigned data) 2020 { 2021 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2022 2023 TULIP_LOCK_ASSERT(sc); 2024 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2025 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2026 tulip_mii_writebits(sc, MII_WRCMD, 8); 2027 tulip_mii_writebits(sc, devaddr, 5); 2028 tulip_mii_writebits(sc, regno, 5); 2029 tulip_mii_turnaround(sc, MII_WRCMD); 2030 tulip_mii_writebits(sc, data, 16); 2031 #if defined(TULIP_DEBUG) 2032 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2033 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2034 #endif 2035 } 2036 2037 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 2038 #define tulip_srom_crcok(databuf) ( \ 2039 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2040 ((databuf)[126] | ((databuf)[127] << 8))) 2041 2042 static void 2043 tulip_identify_dec_nic(tulip_softc_t * const sc) 2044 { 2045 TULIP_LOCK_ASSERT(sc); 2046 strcpy(sc->tulip_boardid, "DEC "); 2047 #define D0 4 2048 if (sc->tulip_chipid <= TULIP_21040) 2049 return; 2050 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2051 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2052 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2053 sc->tulip_boardid[D0+8] = ' '; 2054 } 2055 #undef D0 2056 } 2057 2058 static void 2059 tulip_identify_znyx_nic(tulip_softc_t * const sc) 2060 { 2061 unsigned id = 0; 2062 2063 TULIP_LOCK_ASSERT(sc); 2064 strcpy(sc->tulip_boardid, "ZNYX ZX3XX "); 2065 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2066 unsigned znyx_ptr; 2067 sc->tulip_boardid[8] = '4'; 2068 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2069 if (znyx_ptr < 26 || znyx_ptr > 116) { 2070 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2071 return; 2072 } 2073 /* ZX344 = 0010 .. 0013FF 2074 */ 2075 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2076 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2077 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2078 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2079 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2080 sc->tulip_boardid[9] = '2'; 2081 if (id == TULIP_ZNYX_ID_ZX342B) { 2082 sc->tulip_boardid[10] = 'B'; 2083 sc->tulip_boardid[11] = ' '; 2084 } 2085 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2086 } else if (id == TULIP_ZNYX_ID_ZX344) { 2087 sc->tulip_boardid[10] = '4'; 2088 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2089 } else if (id == TULIP_ZNYX_ID_ZX345) { 2090 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2091 } else if (id == TULIP_ZNYX_ID_ZX346) { 2092 sc->tulip_boardid[9] = '6'; 2093 } else if (id == TULIP_ZNYX_ID_ZX351) { 2094 sc->tulip_boardid[8] = '5'; 2095 sc->tulip_boardid[9] = '1'; 2096 } 2097 } 2098 if (id == 0) { 2099 /* 2100 * Assume it's a ZX342... 2101 */ 2102 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2103 } 2104 return; 2105 } 2106 sc->tulip_boardid[8] = '1'; 2107 if (sc->tulip_chipid == TULIP_21041) { 2108 sc->tulip_boardid[10] = '1'; 2109 return; 2110 } 2111 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2112 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2113 if (id == TULIP_ZNYX_ID_ZX312T) { 2114 sc->tulip_boardid[9] = '2'; 2115 sc->tulip_boardid[10] = 'T'; 2116 sc->tulip_boardid[11] = ' '; 2117 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2118 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2119 sc->tulip_boardid[9] = '4'; 2120 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2121 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2122 } else if (id == TULIP_ZNYX_ID_ZX314) { 2123 sc->tulip_boardid[9] = '4'; 2124 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2125 sc->tulip_features |= TULIP_HAVE_BASEROM; 2126 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2127 sc->tulip_boardid[9] = '5'; 2128 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2129 } else if (id == TULIP_ZNYX_ID_ZX315) { 2130 sc->tulip_boardid[9] = '5'; 2131 sc->tulip_features |= TULIP_HAVE_BASEROM; 2132 } else { 2133 id = 0; 2134 } 2135 } 2136 if (id == 0) { 2137 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 2) == 0) { 2138 sc->tulip_boardid[9] = '4'; 2139 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2140 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2141 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2142 sc->tulip_boardid[9] = '5'; 2143 sc->tulip_boardsw = &tulip_21040_boardsw; 2144 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2145 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2146 sc->tulip_boardid[9] = '2'; 2147 sc->tulip_boardsw = &tulip_21040_boardsw; 2148 } 2149 } 2150 } 2151 2152 static void 2153 tulip_identify_smc_nic(tulip_softc_t * const sc) 2154 { 2155 u_int32_t id1, id2, ei; 2156 int auibnc = 0, utp = 0; 2157 char *cp; 2158 2159 TULIP_LOCK_ASSERT(sc); 2160 strcpy(sc->tulip_boardid, "SMC "); 2161 if (sc->tulip_chipid == TULIP_21041) 2162 return; 2163 if (sc->tulip_chipid != TULIP_21040) { 2164 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2165 strcpy(&sc->tulip_boardid[4], "9332DST "); 2166 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2167 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2168 strcpy(&sc->tulip_boardid[4], "9334BDT "); 2169 } else { 2170 strcpy(&sc->tulip_boardid[4], "9332BDT "); 2171 } 2172 return; 2173 } 2174 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2175 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2176 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2177 2178 strcpy(&sc->tulip_boardid[4], "8432"); 2179 cp = &sc->tulip_boardid[8]; 2180 if ((id1 & 1) == 0) 2181 *cp++ = 'B', auibnc = 1; 2182 if ((id1 & 0xFF) > 0x32) 2183 *cp++ = 'T', utp = 1; 2184 if ((id1 & 0x4000) == 0) 2185 *cp++ = 'A', auibnc = 1; 2186 if (id2 == 0x15) { 2187 sc->tulip_boardid[7] = '4'; 2188 *cp++ = '-'; 2189 *cp++ = 'C'; 2190 *cp++ = 'H'; 2191 *cp++ = (ei ? '2' : '1'); 2192 } 2193 *cp++ = ' '; 2194 *cp = '\0'; 2195 if (utp && !auibnc) 2196 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2197 else if (!utp && auibnc) 2198 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2199 } 2200 2201 static void 2202 tulip_identify_cogent_nic(tulip_softc_t * const sc) 2203 { 2204 TULIP_LOCK_ASSERT(sc); 2205 strcpy(sc->tulip_boardid, "Cogent "); 2206 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2207 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2208 strcat(sc->tulip_boardid, "EM100TX "); 2209 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2210 #if defined(TULIP_COGENT_EM110TX_ID) 2211 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2212 strcat(sc->tulip_boardid, "EM110TX "); 2213 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2214 #endif 2215 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2216 strcat(sc->tulip_boardid, "EM100FX "); 2217 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2218 } 2219 /* 2220 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2221 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2222 */ 2223 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2224 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2225 /* 2226 * Cogent (Adaptec) is still mapping all INTs to INTA of 2227 * first 21140. Dumb! Dumb! 2228 */ 2229 strcat(sc->tulip_boardid, "EM440TX "); 2230 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2231 } 2232 } else if (sc->tulip_chipid == TULIP_21040) { 2233 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2234 } 2235 } 2236 2237 static void 2238 tulip_identify_accton_nic(tulip_softc_t * const sc) 2239 { 2240 TULIP_LOCK_ASSERT(sc); 2241 strcpy(sc->tulip_boardid, "ACCTON "); 2242 switch (sc->tulip_chipid) { 2243 case TULIP_21140A: 2244 strcat(sc->tulip_boardid, "EN1207 "); 2245 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2246 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2247 break; 2248 case TULIP_21140: 2249 strcat(sc->tulip_boardid, "EN1207TX "); 2250 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2251 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2252 break; 2253 case TULIP_21040: 2254 strcat(sc->tulip_boardid, "EN1203 "); 2255 sc->tulip_boardsw = &tulip_21040_boardsw; 2256 break; 2257 case TULIP_21041: 2258 strcat(sc->tulip_boardid, "EN1203 "); 2259 sc->tulip_boardsw = &tulip_21041_boardsw; 2260 break; 2261 default: 2262 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2263 break; 2264 } 2265 } 2266 2267 static void 2268 tulip_identify_asante_nic(tulip_softc_t * const sc) 2269 { 2270 TULIP_LOCK_ASSERT(sc); 2271 strcpy(sc->tulip_boardid, "Asante "); 2272 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2273 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2274 tulip_media_info_t *mi = sc->tulip_mediainfo; 2275 int idx; 2276 /* 2277 * The Asante Fast Ethernet doesn't always ship with a valid 2278 * new format SROM. So if isn't in the new format, we cheat 2279 * set it up as if we had. 2280 */ 2281 2282 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2283 sc->tulip_gpdata = 0; 2284 2285 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2286 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2287 DELAY(100); 2288 TULIP_CSR_WRITE(sc, csr_gp, 0); 2289 2290 mi->mi_type = TULIP_MEDIAINFO_MII; 2291 mi->mi_gpr_length = 0; 2292 mi->mi_gpr_offset = 0; 2293 mi->mi_reset_length = 0; 2294 mi->mi_reset_offset = 0; 2295 2296 mi->mi_phyaddr = TULIP_MII_NOPHY; 2297 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2298 DELAY(10000); 2299 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2300 } 2301 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2302 device_printf(sc->tulip_dev, "can't find phy 0\n"); 2303 return; 2304 } 2305 2306 sc->tulip_features |= TULIP_HAVE_MII; 2307 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2308 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2309 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2310 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2311 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2312 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2313 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2314 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2315 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2316 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2317 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2318 2319 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2320 } 2321 } 2322 2323 static void 2324 tulip_identify_compex_nic(tulip_softc_t * const sc) 2325 { 2326 TULIP_LOCK_ASSERT(sc); 2327 strcpy(sc->tulip_boardid, "COMPEX "); 2328 if (sc->tulip_chipid == TULIP_21140A) { 2329 int root_unit; 2330 tulip_softc_t *root_sc = NULL; 2331 2332 strcat(sc->tulip_boardid, "400TX/PCI "); 2333 /* 2334 * All 4 chips on these boards share an interrupt. This code 2335 * copied from tulip_read_macaddr. 2336 */ 2337 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2338 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2339 root_sc = tulips[root_unit]; 2340 if (root_sc == NULL 2341 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2342 break; 2343 root_sc = NULL; 2344 } 2345 if (root_sc != NULL 2346 && root_sc->tulip_chipid == sc->tulip_chipid 2347 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2348 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2349 sc->tulip_slaves = root_sc->tulip_slaves; 2350 root_sc->tulip_slaves = sc; 2351 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) { 2352 printf("\nCannot find master device for %s interrupts", 2353 sc->tulip_ifp->if_xname); 2354 } 2355 } else { 2356 strcat(sc->tulip_boardid, "unknown "); 2357 } 2358 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2359 return; 2360 } 2361 2362 static int 2363 tulip_srom_decode(tulip_softc_t * const sc) 2364 { 2365 unsigned idx1, idx2, idx3; 2366 2367 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2368 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1); 2369 tulip_srom_media_t srom_media; 2370 tulip_media_info_t *mi = sc->tulip_mediainfo; 2371 const u_int8_t *dp; 2372 u_int32_t leaf_offset, blocks, data; 2373 2374 TULIP_LOCK_ASSERT(sc); 2375 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2376 if (shp->sh_adapter_count == 1) 2377 break; 2378 if (saip->sai_device == sc->tulip_pci_devno) 2379 break; 2380 } 2381 /* 2382 * Didn't find the right media block for this card. 2383 */ 2384 if (idx1 == shp->sh_adapter_count) 2385 return 0; 2386 2387 /* 2388 * Save the hardware address. 2389 */ 2390 bcopy(shp->sh_ieee802_address, sc->tulip_enaddr, 6); 2391 /* 2392 * If this is a multiple port card, add the adapter index to the last 2393 * byte of the hardware address. (if it isn't multiport, adding 0 2394 * won't hurt. 2395 */ 2396 sc->tulip_enaddr[5] += idx1; 2397 2398 leaf_offset = saip->sai_leaf_offset_lowbyte 2399 + saip->sai_leaf_offset_highbyte * 256; 2400 dp = sc->tulip_rombuf + leaf_offset; 2401 2402 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2403 2404 for (idx2 = 0;; idx2++) { 2405 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2406 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2407 break; 2408 } 2409 sc->tulip_connidx = idx2; 2410 2411 if (sc->tulip_chipid == TULIP_21041) { 2412 blocks = *dp++; 2413 for (idx2 = 0; idx2 < blocks; idx2++) { 2414 tulip_media_t media; 2415 data = *dp++; 2416 srom_media = (tulip_srom_media_t) (data & 0x3F); 2417 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2418 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2419 break; 2420 } 2421 media = tulip_srom_mediums[idx3].sm_type; 2422 if (media != TULIP_MEDIA_UNKNOWN) { 2423 if (data & TULIP_SROM_21041_EXTENDED) { 2424 mi->mi_type = TULIP_MEDIAINFO_SIA; 2425 sc->tulip_mediums[media] = mi; 2426 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2427 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2428 mi->mi_sia_general = dp[4] + dp[5] * 256; 2429 mi++; 2430 } else { 2431 switch (media) { 2432 case TULIP_MEDIA_BNC: { 2433 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2434 mi++; 2435 break; 2436 } 2437 case TULIP_MEDIA_AUI: { 2438 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2439 mi++; 2440 break; 2441 } 2442 case TULIP_MEDIA_10BASET: { 2443 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2444 mi++; 2445 break; 2446 } 2447 case TULIP_MEDIA_10BASET_FD: { 2448 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2449 mi++; 2450 break; 2451 } 2452 default: { 2453 break; 2454 } 2455 } 2456 } 2457 } 2458 if (data & TULIP_SROM_21041_EXTENDED) 2459 dp += 6; 2460 } 2461 #ifdef notdef 2462 if (blocks == 0) { 2463 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2464 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2465 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2466 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2467 } 2468 #endif 2469 } else { 2470 unsigned length, type; 2471 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2472 if (sc->tulip_features & TULIP_HAVE_GPR) 2473 sc->tulip_gpinit = *dp++; 2474 blocks = *dp++; 2475 for (idx2 = 0; idx2 < blocks; idx2++) { 2476 const u_int8_t *ep; 2477 if ((*dp & 0x80) == 0) { 2478 length = 4; 2479 type = 0; 2480 } else { 2481 length = (*dp++ & 0x7f) - 1; 2482 type = *dp++ & 0x3f; 2483 } 2484 ep = dp + length; 2485 switch (type & 0x3f) { 2486 case 0: { /* 21140[A] GPR block */ 2487 tulip_media_t media; 2488 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2489 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2490 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2491 break; 2492 } 2493 media = tulip_srom_mediums[idx3].sm_type; 2494 if (media == TULIP_MEDIA_UNKNOWN) 2495 break; 2496 mi->mi_type = TULIP_MEDIAINFO_GPR; 2497 sc->tulip_mediums[media] = mi; 2498 mi->mi_gpdata = dp[1]; 2499 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2500 sc->tulip_gpdata = mi->mi_gpdata; 2501 gp_media = media; 2502 } 2503 data = dp[2] + dp[3] * 256; 2504 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2505 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2506 mi->mi_actmask = 0; 2507 } else { 2508 #if 0 2509 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2510 #endif 2511 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2512 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2513 } 2514 mi++; 2515 break; 2516 } 2517 case 1: { /* 21140[A] MII block */ 2518 const unsigned phyno = *dp++; 2519 mi->mi_type = TULIP_MEDIAINFO_MII; 2520 mi->mi_gpr_length = *dp++; 2521 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2522 dp += mi->mi_gpr_length; 2523 mi->mi_reset_length = *dp++; 2524 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2525 dp += mi->mi_reset_length; 2526 2527 /* 2528 * Before we probe for a PHY, use the GPR information 2529 * to select it. If we don't, it may be inaccessible. 2530 */ 2531 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2532 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2533 DELAY(10); 2534 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2535 } 2536 sc->tulip_phyaddr = mi->mi_phyaddr; 2537 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2538 DELAY(10); 2539 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2540 } 2541 2542 /* 2543 * At least write something! 2544 */ 2545 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2546 TULIP_CSR_WRITE(sc, csr_gp, 0); 2547 2548 mi->mi_phyaddr = TULIP_MII_NOPHY; 2549 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2550 DELAY(10000); 2551 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2552 } 2553 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2554 #if defined(TULIP_DEBUG) 2555 device_printf(sc->tulip_dev, "can't find phy %d\n", 2556 phyno); 2557 #endif 2558 break; 2559 } 2560 sc->tulip_features |= TULIP_HAVE_MII; 2561 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2562 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2563 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2564 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2565 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2566 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2567 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2568 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2569 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2570 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2571 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2572 mi++; 2573 break; 2574 } 2575 case 2: { /* 2114[23] SIA block */ 2576 tulip_media_t media; 2577 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2578 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2579 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2580 break; 2581 } 2582 media = tulip_srom_mediums[idx3].sm_type; 2583 if (media == TULIP_MEDIA_UNKNOWN) 2584 break; 2585 mi->mi_type = TULIP_MEDIAINFO_SIA; 2586 sc->tulip_mediums[media] = mi; 2587 if (dp[0] & 0x40) { 2588 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2589 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2590 mi->mi_sia_general = dp[5] + dp[6] * 256; 2591 dp += 6; 2592 } else { 2593 switch (media) { 2594 case TULIP_MEDIA_BNC: { 2595 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2596 break; 2597 } 2598 case TULIP_MEDIA_AUI: { 2599 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2600 break; 2601 } 2602 case TULIP_MEDIA_10BASET: { 2603 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2604 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2605 break; 2606 } 2607 case TULIP_MEDIA_10BASET_FD: { 2608 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2609 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2610 break; 2611 } 2612 default: { 2613 goto bad_media; 2614 } 2615 } 2616 } 2617 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2618 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2619 mi++; 2620 bad_media: 2621 break; 2622 } 2623 case 3: { /* 2114[23] MII PHY block */ 2624 const unsigned phyno = *dp++; 2625 const u_int8_t *dp0; 2626 mi->mi_type = TULIP_MEDIAINFO_MII; 2627 mi->mi_gpr_length = *dp++; 2628 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2629 dp += 2 * mi->mi_gpr_length; 2630 mi->mi_reset_length = *dp++; 2631 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2632 dp += 2 * mi->mi_reset_length; 2633 2634 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2635 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2636 DELAY(10); 2637 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2638 } 2639 sc->tulip_phyaddr = mi->mi_phyaddr; 2640 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2641 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2642 DELAY(10); 2643 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2644 } 2645 2646 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2647 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2648 2649 mi->mi_phyaddr = TULIP_MII_NOPHY; 2650 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2651 DELAY(10000); 2652 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2653 } 2654 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2655 #if defined(TULIP_DEBUG) 2656 device_printf(sc->tulip_dev, "can't find phy %d\n", 2657 phyno); 2658 #endif 2659 break; 2660 } 2661 sc->tulip_features |= TULIP_HAVE_MII; 2662 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2663 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2664 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2665 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2666 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2667 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2668 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2669 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2670 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2671 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2672 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2673 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2674 mi++; 2675 break; 2676 } 2677 case 4: { /* 21143 SYM block */ 2678 tulip_media_t media; 2679 srom_media = (tulip_srom_media_t) dp[0]; 2680 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2681 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2682 break; 2683 } 2684 media = tulip_srom_mediums[idx3].sm_type; 2685 if (media == TULIP_MEDIA_UNKNOWN) 2686 break; 2687 mi->mi_type = TULIP_MEDIAINFO_SYM; 2688 sc->tulip_mediums[media] = mi; 2689 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2690 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2691 data = dp[5] + dp[6] * 256; 2692 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2693 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2694 mi->mi_actmask = 0; 2695 } else { 2696 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2697 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2698 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2699 } 2700 if (TULIP_IS_MEDIA_TP(media)) 2701 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2702 mi++; 2703 break; 2704 } 2705 #if 0 2706 case 5: { /* 21143 Reset block */ 2707 mi->mi_type = TULIP_MEDIAINFO_RESET; 2708 mi->mi_reset_length = *dp++; 2709 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2710 dp += 2 * mi->mi_reset_length; 2711 mi++; 2712 break; 2713 } 2714 #endif 2715 default: { 2716 } 2717 } 2718 dp = ep; 2719 } 2720 } 2721 return mi - sc->tulip_mediainfo; 2722 } 2723 2724 static const struct { 2725 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2726 unsigned char vendor_oui[3]; 2727 } tulip_vendors[] = { 2728 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2729 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2730 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2731 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2732 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2733 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2734 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2735 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2736 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2737 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2738 { NULL } 2739 }; 2740 2741 /* 2742 * This deals with the vagaries of the address roms and the 2743 * brain-deadness that various vendors commit in using them. 2744 */ 2745 static int 2746 tulip_read_macaddr(tulip_softc_t * const sc) 2747 { 2748 unsigned cksum, rom_cksum, idx; 2749 u_int32_t csr; 2750 unsigned char tmpbuf[8]; 2751 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2752 2753 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2754 2755 if (sc->tulip_chipid == TULIP_21040) { 2756 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2757 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2758 int cnt = 0; 2759 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2760 cnt++; 2761 sc->tulip_rombuf[idx] = csr & 0xFF; 2762 } 2763 sc->tulip_boardsw = &tulip_21040_boardsw; 2764 } else { 2765 if (sc->tulip_chipid == TULIP_21041) { 2766 /* 2767 * Thankfully all 21041's act the same. 2768 */ 2769 sc->tulip_boardsw = &tulip_21041_boardsw; 2770 } else { 2771 /* 2772 * Assume all 21140 board are compatible with the 2773 * DEC 10/100 evaluation board. Not really valid but 2774 * it's the best we can do until every one switches to 2775 * the new SROM format. 2776 */ 2777 2778 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2779 } 2780 tulip_srom_read(sc); 2781 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2782 /* 2783 * SROM CRC is valid therefore it must be in the 2784 * new format. 2785 */ 2786 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2787 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2788 /* 2789 * No checksum is present. See if the SROM id checks out; 2790 * the first 18 bytes should be 0 followed by a 1 followed 2791 * by the number of adapters (which we don't deal with yet). 2792 */ 2793 for (idx = 0; idx < 18; idx++) { 2794 if (sc->tulip_rombuf[idx] != 0) 2795 break; 2796 } 2797 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2798 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2799 } else if (sc->tulip_chipid >= TULIP_21142) { 2800 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2801 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2802 } 2803 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2804 if (sc->tulip_chipid != TULIP_21041) 2805 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2806 2807 /* 2808 * If the SROM specifies more than one adapter, tag this as a 2809 * BASE rom. 2810 */ 2811 if (sc->tulip_rombuf[19] > 1) 2812 sc->tulip_features |= TULIP_HAVE_BASEROM; 2813 if (sc->tulip_boardsw == NULL) 2814 return -6; 2815 goto check_oui; 2816 } 2817 } 2818 2819 2820 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2821 /* 2822 * Some folks don't use the standard ethernet rom format 2823 * but instead just put the address in the first 6 bytes 2824 * of the rom and let the rest be all 0xffs. (Can we say 2825 * ZNYX?) (well sometimes they put in a checksum so we'll 2826 * start at 8). 2827 */ 2828 for (idx = 8; idx < 32; idx++) { 2829 if (sc->tulip_rombuf[idx] != 0xFF) 2830 return -4; 2831 } 2832 /* 2833 * Make sure the address is not multicast or locally assigned 2834 * that the OUI is not 00-00-00. 2835 */ 2836 if ((sc->tulip_rombuf[0] & 3) != 0) 2837 return -4; 2838 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2839 && sc->tulip_rombuf[2] == 0) 2840 return -4; 2841 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2842 sc->tulip_features |= TULIP_HAVE_OKROM; 2843 goto check_oui; 2844 } else { 2845 /* 2846 * A number of makers of multiport boards (ZNYX and Cogent) 2847 * only put on one address ROM on their 21040 boards. So 2848 * if the ROM is all zeros (or all 0xFFs), look at the 2849 * previous configured boards (as long as they are on the same 2850 * PCI bus and the bus number is non-zero) until we find the 2851 * master board with address ROM. We then use its address ROM 2852 * as the base for this board. (we add our relative board 2853 * to the last byte of its address). 2854 */ 2855 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2856 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2857 break; 2858 } 2859 if (idx == sizeof(sc->tulip_rombuf)) { 2860 int root_unit; 2861 tulip_softc_t *root_sc = NULL; 2862 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2863 root_sc = tulips[root_unit]; 2864 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2865 break; 2866 root_sc = NULL; 2867 } 2868 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2869 && root_sc->tulip_chipid == sc->tulip_chipid 2870 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2871 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2872 sc->tulip_boardsw = root_sc->tulip_boardsw; 2873 strcpy(sc->tulip_boardid, root_sc->tulip_boardid); 2874 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2875 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2876 sizeof(sc->tulip_rombuf)); 2877 if (!tulip_srom_decode(sc)) 2878 return -5; 2879 } else { 2880 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2881 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2882 } 2883 /* 2884 * Now for a truly disgusting kludge: all 4 21040s on 2885 * the ZX314 share the same INTA line so the mapping 2886 * setup by the BIOS on the PCI bridge is worthless. 2887 * Rather than reprogramming the value in the config 2888 * register, we will handle this internally. 2889 */ 2890 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2891 sc->tulip_slaves = root_sc->tulip_slaves; 2892 root_sc->tulip_slaves = sc; 2893 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2894 } 2895 return 0; 2896 } 2897 } 2898 } 2899 2900 /* 2901 * This is the standard DEC address ROM test. 2902 */ 2903 2904 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2905 return -3; 2906 2907 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2908 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2909 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2910 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2911 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2912 return -2; 2913 2914 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2915 2916 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2917 cksum *= 2; 2918 if (cksum > 65535) cksum -= 65535; 2919 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2920 if (cksum > 65535) cksum -= 65535; 2921 cksum *= 2; 2922 if (cksum > 65535) cksum -= 65535; 2923 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2924 if (cksum >= 65535) cksum -= 65535; 2925 2926 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2927 2928 if (cksum != rom_cksum) 2929 return -1; 2930 2931 check_oui: 2932 /* 2933 * Check for various boards based on OUI. Did I say braindead? 2934 */ 2935 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2936 if (bcmp(sc->tulip_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) { 2937 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2938 break; 2939 } 2940 } 2941 2942 sc->tulip_features |= TULIP_HAVE_OKROM; 2943 return 0; 2944 } 2945 2946 static void 2947 tulip_ifmedia_add(tulip_softc_t * const sc) 2948 { 2949 tulip_media_t media; 2950 int medias = 0; 2951 2952 TULIP_LOCK_ASSERT(sc); 2953 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2954 if (sc->tulip_mediums[media] != NULL) { 2955 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2956 0, 0); 2957 medias++; 2958 } 2959 } 2960 if (medias == 0) { 2961 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2962 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2963 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2964 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2965 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2966 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2967 } else { 2968 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2969 sc->tulip_flags |= TULIP_PRINTMEDIA; 2970 tulip_linkup(sc, sc->tulip_media); 2971 } 2972 } 2973 2974 static int 2975 tulip_ifmedia_change(struct ifnet * const ifp) 2976 { 2977 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 2978 2979 TULIP_LOCK(sc); 2980 sc->tulip_flags |= TULIP_NEEDRESET; 2981 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2982 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2983 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2984 tulip_media_t media; 2985 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2986 if (sc->tulip_mediums[media] != NULL 2987 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2988 sc->tulip_flags |= TULIP_PRINTMEDIA; 2989 sc->tulip_flags &= ~TULIP_DIDNWAY; 2990 tulip_linkup(sc, media); 2991 TULIP_UNLOCK(sc); 2992 return 0; 2993 } 2994 } 2995 } 2996 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2997 tulip_reset(sc); 2998 tulip_init_locked(sc); 2999 TULIP_UNLOCK(sc); 3000 return 0; 3001 } 3002 3003 /* 3004 * Media status callback 3005 */ 3006 static void 3007 tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 3008 { 3009 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc; 3010 3011 TULIP_LOCK(sc); 3012 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3013 TULIP_UNLOCK(sc); 3014 return; 3015 } 3016 3017 req->ifm_status = IFM_AVALID; 3018 if (sc->tulip_flags & TULIP_LINKUP) 3019 req->ifm_status |= IFM_ACTIVE; 3020 3021 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3022 TULIP_UNLOCK(sc); 3023 } 3024 3025 static void 3026 tulip_addr_filter(tulip_softc_t * const sc) 3027 { 3028 struct ifmultiaddr *ifma; 3029 struct ifnet *ifp; 3030 u_char *addrp; 3031 u_int16_t eaddr[ETHER_ADDR_LEN/2]; 3032 int multicnt; 3033 3034 TULIP_LOCK_ASSERT(sc); 3035 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3036 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3037 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3038 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3039 #if defined(IFF_ALLMULTI) 3040 if (sc->tulip_ifp->if_flags & IFF_ALLMULTI) 3041 sc->tulip_flags |= TULIP_ALLMULTI ; 3042 #endif 3043 3044 multicnt = 0; 3045 ifp = sc->tulip_ifp; 3046 if_maddr_rlock(ifp); 3047 3048 /* Copy MAC address on stack to align. */ 3049 if (ifp->if_input != NULL) 3050 bcopy(IF_LLADDR(ifp), eaddr, ETHER_ADDR_LEN); 3051 else 3052 bcopy(sc->tulip_enaddr, eaddr, ETHER_ADDR_LEN); 3053 3054 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3055 3056 if (ifma->ifma_addr->sa_family == AF_LINK) 3057 multicnt++; 3058 } 3059 3060 if (multicnt > 14) { 3061 u_int32_t *sp = sc->tulip_setupdata; 3062 unsigned hash; 3063 /* 3064 * Some early passes of the 21140 have broken implementations of 3065 * hash-perfect mode. When we get too many multicasts for perfect 3066 * filtering with these chips, we need to switch into hash-only 3067 * mode (this is better than all-multicast on network with lots 3068 * of multicast traffic). 3069 */ 3070 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3071 sc->tulip_flags |= TULIP_WANTHASHONLY; 3072 else 3073 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3074 /* 3075 * If we have more than 14 multicasts, we have 3076 * go into hash perfect mode (512 bit multicast 3077 * hash and one perfect hardware). 3078 */ 3079 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3080 3081 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3082 3083 if (ifma->ifma_addr->sa_family != AF_LINK) 3084 continue; 3085 3086 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 3087 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3088 } 3089 /* 3090 * No reason to use a hash if we are going to be 3091 * receiving every multicast. 3092 */ 3093 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3094 hash = tulip_mchash(ifp->if_broadcastaddr); 3095 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3096 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3097 hash = tulip_mchash((caddr_t)eaddr); 3098 sp[hash >> 4] |= htole32(1 << (hash & 0xF)); 3099 } else { 3100 sp[39] = TULIP_SP_MAC(eaddr[0]); 3101 sp[40] = TULIP_SP_MAC(eaddr[1]); 3102 sp[41] = TULIP_SP_MAC(eaddr[2]); 3103 } 3104 } 3105 } 3106 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3107 u_int32_t *sp = sc->tulip_setupdata; 3108 int idx = 0; 3109 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3110 /* 3111 * Else can get perfect filtering for 16 addresses. 3112 */ 3113 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3114 if (ifma->ifma_addr->sa_family != AF_LINK) 3115 continue; 3116 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr); 3117 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]); 3118 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]); 3119 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]); 3120 idx++; 3121 } 3122 /* 3123 * Add the broadcast address. 3124 */ 3125 idx++; 3126 *sp++ = TULIP_SP_MAC(0xFFFF); 3127 *sp++ = TULIP_SP_MAC(0xFFFF); 3128 *sp++ = TULIP_SP_MAC(0xFFFF); 3129 } 3130 /* 3131 * Pad the rest with our hardware address 3132 */ 3133 for (; idx < 16; idx++) { 3134 *sp++ = TULIP_SP_MAC(eaddr[0]); 3135 *sp++ = TULIP_SP_MAC(eaddr[1]); 3136 *sp++ = TULIP_SP_MAC(eaddr[2]); 3137 } 3138 } 3139 if_maddr_runlock(ifp); 3140 } 3141 3142 static void 3143 tulip_reset(tulip_softc_t * const sc) 3144 { 3145 tulip_ringinfo_t *ri; 3146 tulip_descinfo_t *di; 3147 struct mbuf *m; 3148 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3149 3150 TULIP_LOCK_ASSERT(sc); 3151 3152 CTR1(KTR_TULIP, "tulip_reset: inreset %d", inreset); 3153 3154 /* 3155 * Brilliant. Simply brilliant. When switching modes/speeds 3156 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3157 * bits in CSR6 and then do a software reset to get the 21140 3158 * to properly reset its internal pathways to the right places. 3159 * Grrrr. 3160 */ 3161 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3162 && sc->tulip_boardsw->bd_media_preset != NULL) 3163 (*sc->tulip_boardsw->bd_media_preset)(sc); 3164 3165 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3166 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3167 33MHz that comes to two microseconds but wait a 3168 bit longer anyways) */ 3169 3170 if (!inreset) { 3171 sc->tulip_flags |= TULIP_INRESET; 3172 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3173 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3174 } 3175 3176 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff); 3177 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff); 3178 TULIP_CSR_WRITE(sc, csr_busmode, 3179 (1 << (3 /*pci_max_burst_len*/ + 8)) 3180 |TULIP_BUSMODE_CACHE_ALIGN8 3181 |TULIP_BUSMODE_READMULTIPLE 3182 |(BYTE_ORDER != LITTLE_ENDIAN ? 3183 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3184 3185 sc->tulip_txtimer = 0; 3186 /* 3187 * Free all the mbufs that were on the transmit ring. 3188 */ 3189 CTR0(KTR_TULIP, "tulip_reset: drain transmit ring"); 3190 ri = &sc->tulip_txinfo; 3191 for (di = ri->ri_first; di < ri->ri_last; di++) { 3192 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3193 if (m != NULL) 3194 m_freem(m); 3195 di->di_desc->d_status = 0; 3196 } 3197 3198 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3199 ri->ri_free = ri->ri_max; 3200 TULIP_TXDESC_PRESYNC(ri); 3201 3202 /* 3203 * We need to collect all the mbufs that were on the 3204 * receive ring before we reinit it either to put 3205 * them back on or to know if we have to allocate 3206 * more. 3207 */ 3208 CTR0(KTR_TULIP, "tulip_reset: drain receive ring"); 3209 ri = &sc->tulip_rxinfo; 3210 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3211 ri->ri_free = ri->ri_max; 3212 for (di = ri->ri_first; di < ri->ri_last; di++) { 3213 di->di_desc->d_status = 0; 3214 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0; 3215 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0; 3216 } 3217 TULIP_RXDESC_PRESYNC(ri); 3218 for (di = ri->ri_first; di < ri->ri_last; di++) { 3219 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE); 3220 if (m != NULL) 3221 m_freem(m); 3222 } 3223 3224 /* 3225 * If tulip_reset is being called recursively, exit quickly knowing 3226 * that when the outer tulip_reset returns all the right stuff will 3227 * have happened. 3228 */ 3229 if (inreset) 3230 return; 3231 3232 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3233 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3234 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3235 |TULIP_STS_RXSTOPPED; 3236 3237 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3238 (*sc->tulip_boardsw->bd_media_select)(sc); 3239 #if defined(TULIP_DEBUG) 3240 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3241 device_printf(sc->tulip_dev, 3242 "tulip_reset: additional reset needed?!?\n"); 3243 #endif 3244 if (bootverbose) 3245 tulip_media_print(sc); 3246 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3247 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3248 3249 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3250 |TULIP_RXACT); 3251 } 3252 3253 3254 static void 3255 tulip_init(void *arg) 3256 { 3257 tulip_softc_t *sc = (tulip_softc_t *)arg; 3258 3259 TULIP_LOCK(sc); 3260 tulip_init_locked(sc); 3261 TULIP_UNLOCK(sc); 3262 } 3263 3264 static void 3265 tulip_init_locked(tulip_softc_t * const sc) 3266 { 3267 CTR0(KTR_TULIP, "tulip_init_locked"); 3268 if (sc->tulip_ifp->if_flags & IFF_UP) { 3269 if ((sc->tulip_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 3270 /* initialize the media */ 3271 CTR0(KTR_TULIP, "tulip_init_locked: up but not running, reset chip"); 3272 tulip_reset(sc); 3273 } 3274 tulip_addr_filter(sc); 3275 sc->tulip_ifp->if_drv_flags |= IFF_DRV_RUNNING; 3276 if (sc->tulip_ifp->if_flags & IFF_PROMISC) { 3277 sc->tulip_flags |= TULIP_PROMISC; 3278 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3279 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3280 } else { 3281 sc->tulip_flags &= ~TULIP_PROMISC; 3282 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3283 if (sc->tulip_flags & TULIP_ALLMULTI) { 3284 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3285 } else { 3286 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3287 } 3288 } 3289 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3290 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3291 tulip_rx_intr(sc); 3292 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3293 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3294 } else { 3295 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 3296 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3297 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3298 } 3299 CTR2(KTR_TULIP, "tulip_init_locked: intr mask %08x cmdmode %08x", 3300 sc->tulip_intrmask, sc->tulip_cmdmode); 3301 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3302 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3303 CTR1(KTR_TULIP, "tulip_init_locked: status %08x\n", 3304 TULIP_CSR_READ(sc, csr_status)); 3305 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3306 tulip_txput_setup(sc); 3307 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 3308 } else { 3309 CTR0(KTR_TULIP, "tulip_init_locked: not up, reset chip"); 3310 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 3311 tulip_reset(sc); 3312 tulip_addr_filter(sc); 3313 callout_stop(&sc->tulip_stat_timer); 3314 } 3315 } 3316 3317 #define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status) 3318 #define DESC_FLAG(di) ((di)->di_desc->d_flag) 3319 3320 static void 3321 tulip_rx_intr(tulip_softc_t * const sc) 3322 { 3323 TULIP_PERFSTART(rxintr) 3324 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3325 struct ifnet * const ifp = sc->tulip_ifp; 3326 int fillok = 1; 3327 #if defined(TULIP_DEBUG) 3328 int cnt = 0; 3329 #endif 3330 3331 TULIP_LOCK_ASSERT(sc); 3332 CTR0(KTR_TULIP, "tulip_rx_intr: start"); 3333 for (;;) { 3334 TULIP_PERFSTART(rxget) 3335 tulip_descinfo_t *eop = ri->ri_nextin, *dip; 3336 int total_len = 0, last_offset = 0; 3337 struct mbuf *ms = NULL, *me = NULL; 3338 int accept = 0; 3339 int error; 3340 3341 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET) 3342 goto queue_mbuf; 3343 3344 #if defined(TULIP_DEBUG) 3345 if (cnt == ri->ri_max) 3346 break; 3347 #endif 3348 /* 3349 * If the TULIP has no descriptors, there can't be any receive 3350 * descriptors to process. 3351 */ 3352 if (eop == ri->ri_nextout) 3353 break; 3354 3355 /* 3356 * 90% of the packets will fit in one descriptor. So we optimize 3357 * for that case. 3358 */ 3359 TULIP_RXDESC_POSTSYNC(ri); 3360 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3361 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX); 3362 CTR2(KTR_TULIP, 3363 "tulip_rx_intr: single packet mbuf %p from descriptor %td", ms, 3364 eop - ri->ri_first); 3365 me = ms; 3366 ri->ri_free++; 3367 } else { 3368 /* 3369 * If still owned by the TULIP, don't touch it. 3370 */ 3371 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER) 3372 break; 3373 3374 /* 3375 * It is possible (though improbable unless MCLBYTES < 1518) for 3376 * a received packet to cross more than one receive descriptor. 3377 * We first loop through the descriptor ring making sure we have 3378 * received a complete packet. If not, we bail until the next 3379 * interrupt. 3380 */ 3381 dip = eop; 3382 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) { 3383 if (++eop == ri->ri_last) 3384 eop = ri->ri_first; 3385 TULIP_RXDESC_POSTSYNC(ri); 3386 if (eop == ri->ri_nextout || DESC_STATUS(eop) & TULIP_DSTS_OWNER) { 3387 #if defined(TULIP_DEBUG) 3388 sc->tulip_dbg.dbg_rxintrs++; 3389 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3390 #endif 3391 TULIP_PERFEND(rxget); 3392 TULIP_PERFEND(rxintr); 3393 return; 3394 } 3395 total_len++; 3396 } 3397 3398 /* 3399 * Dequeue the first buffer for the start of the packet. Hopefully 3400 * this will be the only one we need to dequeue. However, if the 3401 * packet consumed multiple descriptors, then we need to dequeue 3402 * those buffers and chain to the starting mbuf. All buffers but 3403 * the last buffer have the same length so we can set that now. 3404 * (we add to last_offset instead of multiplying since we normally 3405 * won't go into the loop and thereby saving ourselves from 3406 * doing a multiplication by 0 in the normal case). 3407 */ 3408 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3409 CTR2(KTR_TULIP, 3410 "tulip_rx_intr: start packet mbuf %p from descriptor %td", ms, 3411 dip - ri->ri_first); 3412 ri->ri_free++; 3413 for (me = ms; total_len > 0; total_len--) { 3414 me->m_len = TULIP_RX_BUFLEN; 3415 last_offset += TULIP_RX_BUFLEN; 3416 if (++dip == ri->ri_last) 3417 dip = ri->ri_first; 3418 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX); 3419 ri->ri_free++; 3420 me = me->m_next; 3421 CTR2(KTR_TULIP, 3422 "tulip_rx_intr: cont packet mbuf %p from descriptor %td", 3423 me, dip - ri->ri_first); 3424 } 3425 KASSERT(dip == eop, ("mismatched descinfo structs")); 3426 } 3427 3428 /* 3429 * Now get the size of received packet (minus the CRC). 3430 */ 3431 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN; 3432 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3433 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) { 3434 me->m_len = total_len - last_offset; 3435 sc->tulip_flags |= TULIP_RXACT; 3436 accept = 1; 3437 CTR1(KTR_TULIP, "tulip_rx_intr: good packet; length %d", 3438 total_len); 3439 } else { 3440 CTR1(KTR_TULIP, "tulip_rx_intr: bad packet; status %08x", 3441 DESC_STATUS(eop)); 3442 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 3443 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3444 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3445 } else { 3446 #if defined(TULIP_VERBOSE) 3447 const char *error = NULL; 3448 #endif 3449 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) { 3450 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3451 #if defined(TULIP_VERBOSE) 3452 error = "frame too long"; 3453 #endif 3454 } 3455 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) { 3456 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) { 3457 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3458 #if defined(TULIP_VERBOSE) 3459 error = "alignment error"; 3460 #endif 3461 } else { 3462 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3463 #if defined(TULIP_VERBOSE) 3464 error = "bad crc"; 3465 #endif 3466 } 3467 } 3468 #if defined(TULIP_VERBOSE) 3469 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3470 device_printf(sc->tulip_dev, "receive: %6D: %s\n", 3471 mtod(ms, u_char *) + 6, ":", 3472 error); 3473 sc->tulip_flags |= TULIP_NOMESSAGES; 3474 } 3475 #endif 3476 } 3477 3478 } 3479 #if defined(TULIP_DEBUG) 3480 cnt++; 3481 #endif 3482 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 3483 if (++eop == ri->ri_last) 3484 eop = ri->ri_first; 3485 ri->ri_nextin = eop; 3486 queue_mbuf: 3487 /* 3488 * We have received a good packet that needs to be passed up the 3489 * stack. 3490 */ 3491 if (accept) { 3492 struct mbuf *m0; 3493 3494 KASSERT(ms != NULL, ("no packet to accept")); 3495 #ifndef __NO_STRICT_ALIGNMENT 3496 /* 3497 * Copy the data into a new mbuf that is properly aligned. If 3498 * we fail to allocate a new mbuf, then drop the packet. We will 3499 * reuse the same rx buffer ('ms') below for another packet 3500 * regardless. 3501 */ 3502 m0 = m_devget(mtod(ms, caddr_t), total_len, ETHER_ALIGN, ifp, NULL); 3503 if (m0 == NULL) { 3504 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 3505 goto skip_input; 3506 } 3507 #else 3508 /* 3509 * Update the header for the mbuf referencing this receive 3510 * buffer and pass it up the stack. Allocate a new mbuf cluster 3511 * to replace the one we just passed up the stack. 3512 * 3513 * Note that if this packet crossed multiple descriptors 3514 * we don't even try to reallocate all the mbufs here. 3515 * Instead we rely on the test at the beginning of 3516 * the loop to refill for the extra consumed mbufs. 3517 */ 3518 ms->m_pkthdr.len = total_len; 3519 ms->m_pkthdr.rcvif = ifp; 3520 m0 = ms; 3521 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3522 #endif 3523 TULIP_UNLOCK(sc); 3524 CTR1(KTR_TULIP, "tulip_rx_intr: passing %p to upper layer", m0); 3525 (*ifp->if_input)(ifp, m0); 3526 TULIP_LOCK(sc); 3527 } else if (ms == NULL) 3528 /* 3529 * If we are priming the TULIP with mbufs, then allocate 3530 * a new cluster for the next descriptor. 3531 */ 3532 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 3533 3534 #ifndef __NO_STRICT_ALIGNMENT 3535 skip_input: 3536 #endif 3537 if (ms == NULL) { 3538 /* 3539 * Couldn't allocate a new buffer. Don't bother 3540 * trying to replenish the receive queue. 3541 */ 3542 fillok = 0; 3543 sc->tulip_flags |= TULIP_RXBUFSLOW; 3544 #if defined(TULIP_DEBUG) 3545 sc->tulip_dbg.dbg_rxlowbufs++; 3546 #endif 3547 TULIP_PERFEND(rxget); 3548 continue; 3549 } 3550 /* 3551 * Now give the buffer(s) to the TULIP and save in our 3552 * receive queue. 3553 */ 3554 do { 3555 tulip_descinfo_t * const nextout = ri->ri_nextout; 3556 3557 M_ASSERTPKTHDR(ms); 3558 KASSERT(ms->m_data == ms->m_ext.ext_buf, 3559 ("rx mbuf data doesn't point to cluster")); 3560 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN; 3561 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms, 3562 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT); 3563 if (error) { 3564 device_printf(sc->tulip_dev, 3565 "unable to load rx map, error = %d\n", error); 3566 panic("tulip_rx_intr"); /* XXX */ 3567 } 3568 nextout->di_desc->d_status = TULIP_DSTS_OWNER; 3569 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf")); 3570 nextout->di_mbuf = ms; 3571 CTR2(KTR_TULIP, "tulip_rx_intr: enqueued mbuf %p to descriptor %td", 3572 ms, nextout - ri->ri_first); 3573 TULIP_RXDESC_POSTSYNC(ri); 3574 if (++ri->ri_nextout == ri->ri_last) 3575 ri->ri_nextout = ri->ri_first; 3576 ri->ri_free--; 3577 me = ms->m_next; 3578 ms->m_next = NULL; 3579 } while ((ms = me) != NULL); 3580 3581 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET) 3582 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3583 TULIP_PERFEND(rxget); 3584 } 3585 3586 #if defined(TULIP_DEBUG) 3587 sc->tulip_dbg.dbg_rxintrs++; 3588 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3589 #endif 3590 TULIP_PERFEND(rxintr); 3591 } 3592 3593 static int 3594 tulip_tx_intr(tulip_softc_t * const sc) 3595 { 3596 TULIP_PERFSTART(txintr) 3597 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3598 struct mbuf *m; 3599 int xmits = 0; 3600 int descs = 0; 3601 3602 CTR0(KTR_TULIP, "tulip_tx_intr: start"); 3603 TULIP_LOCK_ASSERT(sc); 3604 while (ri->ri_free < ri->ri_max) { 3605 u_int32_t d_flag; 3606 3607 TULIP_TXDESC_POSTSYNC(ri); 3608 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER) 3609 break; 3610 3611 ri->ri_free++; 3612 descs++; 3613 d_flag = DESC_FLAG(ri->ri_nextin); 3614 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3615 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3616 CTR2(KTR_TULIP, 3617 "tulip_tx_intr: setup packet from descriptor %td: %08x", 3618 ri->ri_nextin - ri->ri_first, DESC_STATUS(ri->ri_nextin)); 3619 /* 3620 * We've just finished processing a setup packet. 3621 * Mark that we finished it. If there's not 3622 * another pending, startup the TULIP receiver. 3623 * Make sure we ack the RXSTOPPED so we won't get 3624 * an abormal interrupt indication. 3625 */ 3626 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 3627 BUS_DMASYNC_POSTWRITE); 3628 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3629 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT) 3630 sc->tulip_flags |= TULIP_HASHONLY; 3631 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3632 tulip_rx_intr(sc); 3633 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3634 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3635 CTR2(KTR_TULIP, 3636 "tulip_tx_intr: intr mask %08x cmdmode %08x", 3637 sc->tulip_intrmask, sc->tulip_cmdmode); 3638 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3639 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3640 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3641 } 3642 } else { 3643 const u_int32_t d_status = DESC_STATUS(ri->ri_nextin); 3644 3645 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX); 3646 CTR2(KTR_TULIP, 3647 "tulip_tx_intr: data packet %p from descriptor %td", m, 3648 ri->ri_nextin - ri->ri_first); 3649 if (m != NULL) { 3650 m_freem(m); 3651 #if defined(TULIP_DEBUG) 3652 } else { 3653 device_printf(sc->tulip_dev, 3654 "tx_intr: failed to dequeue mbuf?!?\n"); 3655 #endif 3656 } 3657 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3658 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3659 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3660 #if defined(TULIP_DEBUG) 3661 if (d_status & TULIP_DSTS_TxNOCARR) 3662 sc->tulip_dbg.dbg_txprobe_nocarr++; 3663 if (d_status & TULIP_DSTS_TxEXCCOLL) 3664 sc->tulip_dbg.dbg_txprobe_exccoll++; 3665 #endif 3666 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3667 } 3668 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3669 /* 3670 * Escape from the loop before media poll has reset the TULIP! 3671 */ 3672 break; 3673 } else { 3674 xmits++; 3675 if (d_status & TULIP_DSTS_ERRSUM) { 3676 CTR1(KTR_TULIP, "tulip_tx_intr: output error: %08x", 3677 d_status); 3678 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OERRORS, 1); 3679 if (d_status & TULIP_DSTS_TxEXCCOLL) 3680 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3681 if (d_status & TULIP_DSTS_TxLATECOLL) 3682 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3683 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3684 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3685 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3686 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3687 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3688 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3689 if (d_status & TULIP_DSTS_TxBABBLE) 3690 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3691 } else { 3692 u_int32_t collisions = 3693 (d_status & TULIP_DSTS_TxCOLLMASK) 3694 >> TULIP_DSTS_V_TxCOLLCNT; 3695 3696 CTR2(KTR_TULIP, 3697 "tulip_tx_intr: output ok, collisions %d, status %08x", 3698 collisions, d_status); 3699 if_inc_counter(sc->tulip_ifp, IFCOUNTER_COLLISIONS, collisions); 3700 if (collisions == 1) 3701 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3702 else if (collisions > 1) 3703 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3704 else if (d_status & TULIP_DSTS_TxDEFERRED) 3705 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3706 /* 3707 * SQE is only valid for 10baseT/BNC/AUI when not 3708 * running in full-duplex. In order to speed up the 3709 * test, the corresponding bit in tulip_flags needs to 3710 * set as well to get us to count SQE Test Errors. 3711 */ 3712 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3713 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3714 } 3715 } 3716 } 3717 } 3718 3719 if (++ri->ri_nextin == ri->ri_last) 3720 ri->ri_nextin = ri->ri_first; 3721 3722 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3723 sc->tulip_ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 3724 } 3725 /* 3726 * If nothing left to transmit, disable the timer. 3727 * Else if progress, reset the timer back to 2 ticks. 3728 */ 3729 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3730 sc->tulip_txtimer = 0; 3731 else if (xmits > 0) 3732 sc->tulip_txtimer = TULIP_TXTIMER; 3733 if_inc_counter(sc->tulip_ifp, IFCOUNTER_OPACKETS, xmits); 3734 TULIP_PERFEND(txintr); 3735 return descs; 3736 } 3737 3738 static void 3739 tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3740 { 3741 const char * const *msgp = tulip_status_bits; 3742 const char *sep; 3743 u_int32_t mask; 3744 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024"; 3745 3746 TULIP_LOCK_ASSERT(sc); 3747 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3748 device_printf(sc->tulip_dev, "abnormal interrupt:"); 3749 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3750 if ((csr & mask) && *msgp != NULL) { 3751 printf("%s%s", sep, *msgp); 3752 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3753 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3754 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3755 printf(" (switching to store-and-forward mode)"); 3756 } else { 3757 printf(" (raising TX threshold to %s)", 3758 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3759 } 3760 } 3761 sep = ", "; 3762 } 3763 } 3764 printf("\n"); 3765 } 3766 3767 static void 3768 tulip_intr_handler(tulip_softc_t * const sc) 3769 { 3770 TULIP_PERFSTART(intr) 3771 u_int32_t csr; 3772 3773 CTR0(KTR_TULIP, "tulip_intr_handler invoked"); 3774 TULIP_LOCK_ASSERT(sc); 3775 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3776 TULIP_CSR_WRITE(sc, csr_status, csr); 3777 3778 if (csr & TULIP_STS_SYSERROR) { 3779 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3780 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3781 sc->tulip_flags |= TULIP_SYSTEMERROR; 3782 } else { 3783 device_printf(sc->tulip_dev, "system error: %s\n", 3784 tulip_system_errors[sc->tulip_last_system_error]); 3785 } 3786 sc->tulip_flags |= TULIP_NEEDRESET; 3787 sc->tulip_system_errors++; 3788 break; 3789 } 3790 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3791 #if defined(TULIP_DEBUG) 3792 sc->tulip_dbg.dbg_link_intrs++; 3793 #endif 3794 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3795 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3796 ? TULIP_MEDIAPOLL_LINKFAIL 3797 : TULIP_MEDIAPOLL_LINKPASS); 3798 csr &= ~TULIP_STS_ABNRMLINTR; 3799 } 3800 tulip_media_print(sc); 3801 } 3802 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3803 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3804 if (csr & TULIP_STS_RXNOBUF) 3805 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3806 /* 3807 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3808 * on receive overflows. 3809 */ 3810 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3811 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3812 /* 3813 * Stop the receiver process and spin until it's stopped. 3814 * Tell rx_intr to drop the packets it dequeues. 3815 */ 3816 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3817 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3818 ; 3819 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3820 sc->tulip_flags |= TULIP_RXIGNORE; 3821 } 3822 tulip_rx_intr(sc); 3823 if (sc->tulip_flags & TULIP_RXIGNORE) { 3824 /* 3825 * Restart the receiver. 3826 */ 3827 sc->tulip_flags &= ~TULIP_RXIGNORE; 3828 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3829 } 3830 } 3831 if (csr & TULIP_STS_ABNRMLINTR) { 3832 u_int32_t tmp = csr & sc->tulip_intrmask 3833 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3834 if (csr & TULIP_STS_TXUNDERFLOW) { 3835 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3836 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3837 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3838 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3839 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3840 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3841 } 3842 } 3843 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3844 sc->tulip_statusbits |= tmp; 3845 } else { 3846 tulip_print_abnormal_interrupt(sc, tmp); 3847 sc->tulip_flags |= TULIP_NOMESSAGES; 3848 } 3849 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3850 } 3851 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3852 tulip_tx_intr(sc); 3853 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3854 tulip_start_locked(sc); 3855 } 3856 } 3857 if (sc->tulip_flags & TULIP_NEEDRESET) { 3858 tulip_reset(sc); 3859 tulip_init_locked(sc); 3860 } 3861 TULIP_PERFEND(intr); 3862 } 3863 3864 static void 3865 tulip_intr_shared(void *arg) 3866 { 3867 tulip_softc_t * sc = arg; 3868 3869 for (; sc != NULL; sc = sc->tulip_slaves) { 3870 TULIP_LOCK(sc); 3871 #if defined(TULIP_DEBUG) 3872 sc->tulip_dbg.dbg_intrs++; 3873 #endif 3874 tulip_intr_handler(sc); 3875 TULIP_UNLOCK(sc); 3876 } 3877 } 3878 3879 static void 3880 tulip_intr_normal(void *arg) 3881 { 3882 tulip_softc_t * sc = (tulip_softc_t *) arg; 3883 3884 TULIP_LOCK(sc); 3885 #if defined(TULIP_DEBUG) 3886 sc->tulip_dbg.dbg_intrs++; 3887 #endif 3888 tulip_intr_handler(sc); 3889 TULIP_UNLOCK(sc); 3890 } 3891 3892 static struct mbuf * 3893 tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3894 { 3895 TULIP_PERFSTART(txput) 3896 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3897 tulip_descinfo_t *eop, *nextout; 3898 int segcnt, free; 3899 u_int32_t d_status; 3900 bus_dma_segment_t segs[TULIP_MAX_TXSEG]; 3901 bus_dmamap_t *map; 3902 int error, nsegs; 3903 struct mbuf *m0; 3904 3905 TULIP_LOCK_ASSERT(sc); 3906 #if defined(TULIP_DEBUG) 3907 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3908 device_printf(sc->tulip_dev, "txput%s: tx not running\n", 3909 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3910 sc->tulip_flags |= TULIP_WANTTXSTART; 3911 sc->tulip_dbg.dbg_txput_finishes[0]++; 3912 goto finish; 3913 } 3914 #endif 3915 3916 /* 3917 * Now we try to fill in our transmit descriptors. This is 3918 * a bit reminiscent of going on the Ark two by two 3919 * since each descriptor for the TULIP can describe 3920 * two buffers. So we advance through packet filling 3921 * each of the two entries at a time to fill each 3922 * descriptor. Clear the first and last segment bits 3923 * in each descriptor (actually just clear everything 3924 * but the end-of-ring or chain bits) to make sure 3925 * we don't get messed up by previously sent packets. 3926 * 3927 * We may fail to put the entire packet on the ring if 3928 * there is either not enough ring entries free or if the 3929 * packet has more than MAX_TXSEG segments. In the former 3930 * case we will just wait for the ring to empty. In the 3931 * latter case we have to recopy. 3932 */ 3933 #if defined(KTR) && KTR_TULIP 3934 segcnt = 1; 3935 m0 = m; 3936 while (m0->m_next != NULL) { 3937 segcnt++; 3938 m0 = m0->m_next; 3939 } 3940 CTR2(KTR_TULIP, "tulip_txput: sending packet %p (%d chunks)", m, segcnt); 3941 #endif 3942 d_status = 0; 3943 eop = nextout = ri->ri_nextout; 3944 segcnt = 0; 3945 free = ri->ri_free; 3946 3947 /* 3948 * Reclaim some tx descriptors if we are out since we need at least one 3949 * free descriptor so that we have a dma_map to load the mbuf. 3950 */ 3951 if (free == 0) { 3952 #if defined(TULIP_DEBUG) 3953 sc->tulip_dbg.dbg_no_txmaps++; 3954 #endif 3955 free += tulip_tx_intr(sc); 3956 } 3957 if (free == 0) { 3958 sc->tulip_flags |= TULIP_WANTTXSTART; 3959 #if defined(TULIP_DEBUG) 3960 sc->tulip_dbg.dbg_txput_finishes[1]++; 3961 #endif 3962 goto finish; 3963 } 3964 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, segs, 3965 &nsegs, BUS_DMA_NOWAIT); 3966 if (error != 0) { 3967 if (error == EFBIG) { 3968 /* 3969 * The packet exceeds the number of transmit buffer 3970 * entries that we can use for one packet, so we have 3971 * to recopy it into one mbuf and then try again. If 3972 * we can't recopy it, try again later. 3973 */ 3974 m0 = m_defrag(m, M_NOWAIT); 3975 if (m0 == NULL) { 3976 sc->tulip_flags |= TULIP_WANTTXSTART; 3977 #if defined(TULIP_DEBUG) 3978 sc->tulip_dbg.dbg_txput_finishes[2]++; 3979 #endif 3980 goto finish; 3981 } 3982 m = m0; 3983 error = bus_dmamap_load_mbuf_sg(ri->ri_data_tag, *eop->di_map, m, 3984 segs, &nsegs, BUS_DMA_NOWAIT); 3985 } 3986 if (error != 0) { 3987 device_printf(sc->tulip_dev, 3988 "unable to load tx map, error = %d\n", error); 3989 #if defined(TULIP_DEBUG) 3990 sc->tulip_dbg.dbg_txput_finishes[3]++; 3991 #endif 3992 goto finish; 3993 } 3994 } 3995 CTR1(KTR_TULIP, "tulip_txput: nsegs %d", nsegs); 3996 3997 /* 3998 * Each descriptor allows for up to 2 fragments since we don't use 3999 * the descriptor chaining mode in this driver. 4000 */ 4001 if ((free -= (nsegs + 1) / 2) <= 0 4002 /* 4003 * See if there's any unclaimed space in the transmit ring. 4004 */ 4005 && (free += tulip_tx_intr(sc)) <= 0) { 4006 /* 4007 * There's no more room but since nothing 4008 * has been committed at this point, just 4009 * show output is active, put back the 4010 * mbuf and return. 4011 */ 4012 sc->tulip_flags |= TULIP_WANTTXSTART; 4013 #if defined(TULIP_DEBUG) 4014 sc->tulip_dbg.dbg_txput_finishes[4]++; 4015 #endif 4016 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map); 4017 goto finish; 4018 } 4019 for (; nsegs - segcnt > 1; segcnt += 2) { 4020 eop = nextout; 4021 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4022 eop->di_desc->d_status = d_status; 4023 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4024 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4025 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff; 4026 eop->di_desc->d_length2 = segs[segcnt+1].ds_len; 4027 d_status = TULIP_DSTS_OWNER; 4028 if (++nextout == ri->ri_last) 4029 nextout = ri->ri_first; 4030 } 4031 if (segcnt < nsegs) { 4032 eop = nextout; 4033 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4034 eop->di_desc->d_status = d_status; 4035 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff; 4036 eop->di_desc->d_length1 = segs[segcnt].ds_len; 4037 eop->di_desc->d_addr2 = 0; 4038 eop->di_desc->d_length2 = 0; 4039 if (++nextout == ri->ri_last) 4040 nextout = ri->ri_first; 4041 } 4042 4043 /* 4044 * tulip_tx_intr() harvests the mbuf from the last descriptor in the 4045 * frame. We just used the dmamap in the first descriptor for the 4046 * load operation however. Thus, to let the tulip_dequeue_mbuf() call 4047 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap 4048 * pointers in the two descriptors if this is a multiple-descriptor 4049 * packet. 4050 */ 4051 if (eop != ri->ri_nextout) { 4052 map = eop->di_map; 4053 eop->di_map = ri->ri_nextout->di_map; 4054 ri->ri_nextout->di_map = map; 4055 } 4056 4057 /* 4058 * bounce a copy to the bpf listener, if any. 4059 */ 4060 if (!(sc->tulip_flags & TULIP_DEVICEPROBE)) 4061 BPF_MTAP(sc->tulip_ifp, m); 4062 4063 /* 4064 * The descriptors have been filled in. Now get ready 4065 * to transmit. 4066 */ 4067 CTR3(KTR_TULIP, "tulip_txput: enqueued mbuf %p to descriptors %td - %td", 4068 m, ri->ri_nextout - ri->ri_first, eop - ri->ri_first); 4069 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf")); 4070 eop->di_mbuf = m; 4071 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout); 4072 m = NULL; 4073 4074 /* 4075 * Make sure the next descriptor after this packet is owned 4076 * by us since it may have been set up above if we ran out 4077 * of room in the ring. 4078 */ 4079 nextout->di_desc->d_status = 0; 4080 TULIP_TXDESC_PRESYNC(ri); 4081 4082 /* 4083 * Mark the last and first segments, indicate we want a transmit 4084 * complete interrupt, and tell it to transmit! 4085 */ 4086 eop->di_desc->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4087 4088 /* 4089 * Note that ri->ri_nextout is still the start of the packet 4090 * and until we set the OWNER bit, we can still back out of 4091 * everything we have done. 4092 */ 4093 ri->ri_nextout->di_desc->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4094 TULIP_TXDESC_PRESYNC(ri); 4095 ri->ri_nextout->di_desc->d_status = TULIP_DSTS_OWNER; 4096 TULIP_TXDESC_PRESYNC(ri); 4097 4098 /* 4099 * This advances the ring for us. 4100 */ 4101 ri->ri_nextout = nextout; 4102 ri->ri_free = free; 4103 4104 TULIP_PERFEND(txput); 4105 4106 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4107 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4108 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4109 TULIP_PERFEND(txput); 4110 return NULL; 4111 } 4112 4113 /* 4114 * switch back to the single queueing ifstart. 4115 */ 4116 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4117 if (sc->tulip_txtimer == 0) 4118 sc->tulip_txtimer = TULIP_TXTIMER; 4119 #if defined(TULIP_DEBUG) 4120 sc->tulip_dbg.dbg_txput_finishes[5]++; 4121 #endif 4122 4123 /* 4124 * If we want a txstart, there must be not enough space in the 4125 * transmit ring. So we want to enable transmit done interrupts 4126 * so we can immediately reclaim some space. When the transmit 4127 * interrupt is posted, the interrupt handler will call tx_intr 4128 * to reclaim space and then txstart (since WANTTXSTART is set). 4129 * txstart will move the packet into the transmit ring and clear 4130 * WANTTXSTART thereby causing TXINTR to be cleared. 4131 */ 4132 finish: 4133 #if defined(TULIP_DEBUG) 4134 sc->tulip_dbg.dbg_txput_finishes[6]++; 4135 #endif 4136 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4137 sc->tulip_ifp->if_drv_flags |= IFF_DRV_OACTIVE; 4138 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4139 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4140 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4141 } 4142 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4143 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4144 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4145 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4146 } 4147 } 4148 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4149 TULIP_PERFEND(txput); 4150 return m; 4151 } 4152 4153 static void 4154 tulip_txput_setup(tulip_softc_t * const sc) 4155 { 4156 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4157 tulip_desc_t *nextout; 4158 4159 TULIP_LOCK_ASSERT(sc); 4160 4161 /* 4162 * We will transmit, at most, one setup packet per call to ifstart. 4163 */ 4164 4165 #if defined(TULIP_DEBUG) 4166 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4167 device_printf(sc->tulip_dev, "txput_setup: tx not running\n"); 4168 sc->tulip_flags |= TULIP_WANTTXSTART; 4169 return; 4170 } 4171 #endif 4172 /* 4173 * Try to reclaim some free descriptors.. 4174 */ 4175 if (ri->ri_free < 2) 4176 tulip_tx_intr(sc); 4177 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4178 sc->tulip_flags |= TULIP_WANTTXSTART; 4179 return; 4180 } 4181 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4182 sizeof(sc->tulip_setupdata)); 4183 /* 4184 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is 4185 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4186 */ 4187 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4188 ri->ri_free--; 4189 nextout = ri->ri_nextout->di_desc; 4190 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4191 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4192 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4193 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4194 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4195 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4196 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4197 4198 nextout->d_length2 = 0; 4199 nextout->d_addr2 = 0; 4200 nextout->d_length1 = sizeof(sc->tulip_setupdata); 4201 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff; 4202 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map, 4203 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 4204 TULIP_TXDESC_PRESYNC(ri); 4205 CTR1(KTR_TULIP, "tulip_txput_setup: using descriptor %td", 4206 ri->ri_nextout - ri->ri_first); 4207 4208 /* 4209 * Advance the ring for the next transmit packet. 4210 */ 4211 if (++ri->ri_nextout == ri->ri_last) 4212 ri->ri_nextout = ri->ri_first; 4213 4214 /* 4215 * Make sure the next descriptor is owned by us since it 4216 * may have been set up above if we ran out of room in the 4217 * ring. 4218 */ 4219 ri->ri_nextout->di_desc->d_status = 0; 4220 TULIP_TXDESC_PRESYNC(ri); 4221 nextout->d_status = TULIP_DSTS_OWNER; 4222 /* 4223 * Flush the ownwership of the current descriptor 4224 */ 4225 TULIP_TXDESC_PRESYNC(ri); 4226 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4227 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4228 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4229 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4230 } 4231 } 4232 4233 static int 4234 tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4235 { 4236 TULIP_PERFSTART(ifioctl) 4237 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4238 struct ifreq *ifr = (struct ifreq *) data; 4239 int error = 0; 4240 4241 switch (cmd) { 4242 case SIOCSIFFLAGS: { 4243 TULIP_LOCK(sc); 4244 tulip_init_locked(sc); 4245 TULIP_UNLOCK(sc); 4246 break; 4247 } 4248 4249 case SIOCSIFMEDIA: 4250 case SIOCGIFMEDIA: { 4251 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4252 break; 4253 } 4254 4255 case SIOCADDMULTI: 4256 case SIOCDELMULTI: { 4257 /* 4258 * Update multicast listeners 4259 */ 4260 TULIP_LOCK(sc); 4261 tulip_init_locked(sc); 4262 TULIP_UNLOCK(sc); 4263 error = 0; 4264 break; 4265 } 4266 4267 default: { 4268 error = ether_ioctl(ifp, cmd, data); 4269 break; 4270 } 4271 } 4272 4273 TULIP_PERFEND(ifioctl); 4274 return error; 4275 } 4276 4277 static void 4278 tulip_start(struct ifnet * const ifp) 4279 { 4280 TULIP_PERFSTART(ifstart) 4281 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc; 4282 4283 TULIP_LOCK(sc); 4284 tulip_start_locked(sc); 4285 TULIP_UNLOCK(sc); 4286 4287 TULIP_PERFEND(ifstart); 4288 } 4289 4290 static void 4291 tulip_start_locked(tulip_softc_t * const sc) 4292 { 4293 struct mbuf *m; 4294 4295 TULIP_LOCK_ASSERT(sc); 4296 4297 CTR0(KTR_TULIP, "tulip_start_locked invoked"); 4298 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4299 tulip_txput_setup(sc); 4300 4301 CTR1(KTR_TULIP, "tulip_start_locked: %d tx packets pending", 4302 sc->tulip_ifp->if_snd.ifq_len); 4303 while (!IFQ_DRV_IS_EMPTY(&sc->tulip_ifp->if_snd)) { 4304 IFQ_DRV_DEQUEUE(&sc->tulip_ifp->if_snd, m); 4305 if(m == NULL) 4306 break; 4307 if ((m = tulip_txput(sc, m)) != NULL) { 4308 IFQ_DRV_PREPEND(&sc->tulip_ifp->if_snd, m); 4309 break; 4310 } 4311 } 4312 } 4313 4314 static void 4315 tulip_watchdog(void *arg) 4316 { 4317 TULIP_PERFSTART(stat) 4318 tulip_softc_t *sc = arg; 4319 #if defined(TULIP_DEBUG) 4320 u_int32_t rxintrs; 4321 #endif 4322 4323 TULIP_LOCK_ASSERT(sc); 4324 callout_reset(&sc->tulip_stat_timer, hz, tulip_watchdog, sc); 4325 #if defined(TULIP_DEBUG) 4326 rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4327 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4328 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4329 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4330 #endif /* TULIP_DEBUG */ 4331 4332 /* 4333 * These should be rare so do a bulk test up front so we can just skip 4334 * them if needed. 4335 */ 4336 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4337 /* 4338 * If the number of receive buffer is low, try to refill 4339 */ 4340 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4341 tulip_rx_intr(sc); 4342 4343 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4344 if_printf(sc->tulip_ifp, "%d system errors: last was %s\n", 4345 sc->tulip_system_errors, 4346 tulip_system_errors[sc->tulip_last_system_error]); 4347 } 4348 if (sc->tulip_statusbits) { 4349 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4350 sc->tulip_statusbits = 0; 4351 } 4352 4353 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4354 } 4355 4356 if (sc->tulip_txtimer) 4357 tulip_tx_intr(sc); 4358 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4359 if_printf(sc->tulip_ifp, "transmission timeout\n"); 4360 if (TULIP_DO_AUTOSENSE(sc)) { 4361 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4362 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4363 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4364 } 4365 tulip_reset(sc); 4366 tulip_init_locked(sc); 4367 } 4368 4369 TULIP_PERFEND(stat); 4370 TULIP_PERFMERGE(sc, perf_intr_cycles); 4371 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4372 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4373 TULIP_PERFMERGE(sc, perf_stat_cycles); 4374 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4375 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4376 TULIP_PERFMERGE(sc, perf_txput_cycles); 4377 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4378 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4379 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4380 TULIP_PERFMERGE(sc, perf_intr); 4381 TULIP_PERFMERGE(sc, perf_ifstart); 4382 TULIP_PERFMERGE(sc, perf_ifioctl); 4383 TULIP_PERFMERGE(sc, perf_stat); 4384 TULIP_PERFMERGE(sc, perf_timeout); 4385 TULIP_PERFMERGE(sc, perf_ifstart_one); 4386 TULIP_PERFMERGE(sc, perf_txput); 4387 TULIP_PERFMERGE(sc, perf_txintr); 4388 TULIP_PERFMERGE(sc, perf_rxintr); 4389 TULIP_PERFMERGE(sc, perf_rxget); 4390 } 4391 4392 static void 4393 tulip_attach(tulip_softc_t * const sc) 4394 { 4395 struct ifnet *ifp; 4396 4397 ifp = sc->tulip_ifp = if_alloc(IFT_ETHER); 4398 4399 /* XXX: driver name/unit should be set some other way */ 4400 if_initname(ifp, "de", sc->tulip_unit); 4401 ifp->if_softc = sc; 4402 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST; 4403 ifp->if_ioctl = tulip_ifioctl; 4404 ifp->if_start = tulip_start; 4405 ifp->if_init = tulip_init; 4406 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 4407 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 4408 IFQ_SET_READY(&ifp->if_snd); 4409 4410 device_printf(sc->tulip_dev, "%s%s pass %d.%d%s\n", 4411 sc->tulip_boardid, 4412 tulip_chipdescs[sc->tulip_chipid], 4413 (sc->tulip_revinfo & 0xF0) >> 4, 4414 sc->tulip_revinfo & 0x0F, 4415 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4416 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : ""); 4417 4418 TULIP_LOCK(sc); 4419 (*sc->tulip_boardsw->bd_media_probe)(sc); 4420 ifmedia_init(&sc->tulip_ifmedia, 0, 4421 tulip_ifmedia_change, 4422 tulip_ifmedia_status); 4423 tulip_ifmedia_add(sc); 4424 4425 tulip_reset(sc); 4426 TULIP_UNLOCK(sc); 4427 4428 ether_ifattach(sc->tulip_ifp, sc->tulip_enaddr); 4429 4430 TULIP_LOCK(sc); 4431 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4432 TULIP_UNLOCK(sc); 4433 } 4434 4435 /* Release memory for a single descriptor ring. */ 4436 static void 4437 tulip_busdma_freering(tulip_ringinfo_t *ri) 4438 { 4439 int i; 4440 4441 /* Release the DMA maps and tag for data buffers. */ 4442 if (ri->ri_data_maps != NULL) { 4443 for (i = 0; i < ri->ri_max; i++) { 4444 if (ri->ri_data_maps[i] != NULL) { 4445 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]); 4446 ri->ri_data_maps[i] = NULL; 4447 } 4448 } 4449 free(ri->ri_data_maps, M_DEVBUF); 4450 ri->ri_data_maps = NULL; 4451 } 4452 if (ri->ri_data_tag != NULL) { 4453 bus_dma_tag_destroy(ri->ri_data_tag); 4454 ri->ri_data_tag = NULL; 4455 } 4456 4457 /* Release the DMA memory and tag for the ring descriptors. */ 4458 if (ri->ri_dma_addr != 0) { 4459 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map); 4460 ri->ri_dma_addr = 0; 4461 } 4462 if (ri->ri_descs != NULL) { 4463 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map); 4464 ri->ri_descs = NULL; 4465 } 4466 if (ri->ri_ring_tag != NULL) { 4467 bus_dma_tag_destroy(ri->ri_ring_tag); 4468 ri->ri_ring_tag = NULL; 4469 } 4470 } 4471 4472 /* Allocate memory for a single descriptor ring. */ 4473 static int 4474 tulip_busdma_allocring(device_t dev, tulip_softc_t * const sc, size_t count, 4475 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name) 4476 { 4477 size_t size; 4478 int error, i; 4479 4480 /* First, setup a tag. */ 4481 ri->ri_max = count; 4482 size = count * sizeof(tulip_desc_t); 4483 error = bus_dma_tag_create(bus_get_dma_tag(dev), 4484 32, 0, BUS_SPACE_MAXADDR_32BIT, 4485 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, NULL, NULL, 4486 &ri->ri_ring_tag); 4487 if (error) { 4488 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n", 4489 name); 4490 return (error); 4491 } 4492 4493 /* Next, allocate memory for the descriptors. */ 4494 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs, 4495 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map); 4496 if (error) { 4497 device_printf(dev, "failed to allocate memory for %s descriptor ring\n", 4498 name); 4499 return (error); 4500 } 4501 4502 /* Map the descriptors. */ 4503 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs, 4504 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT); 4505 if (error) { 4506 device_printf(dev, "failed to get dma address for %s descriptor ring\n", 4507 name); 4508 return (error); 4509 } 4510 4511 /* Allocate a tag for the data buffers. */ 4512 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0, 4513 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4514 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, NULL, NULL, &ri->ri_data_tag); 4515 if (error) { 4516 device_printf(dev, "failed to allocate %s buffer dma tag\n", name); 4517 return (error); 4518 } 4519 4520 /* Allocate maps for the data buffers. */ 4521 ri->ri_data_maps = malloc(sizeof(bus_dmamap_t) * count, M_DEVBUF, 4522 M_WAITOK | M_ZERO); 4523 for (i = 0; i < count; i++) { 4524 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]); 4525 if (error) { 4526 device_printf(dev, "failed to create map for %s buffer %d\n", 4527 name, i); 4528 return (error); 4529 } 4530 } 4531 4532 return (0); 4533 } 4534 4535 /* Release busdma maps, tags, and memory. */ 4536 static void 4537 tulip_busdma_cleanup(tulip_softc_t * const sc) 4538 { 4539 4540 /* Release resources for the setup descriptor. */ 4541 if (sc->tulip_setup_dma_addr != 0) { 4542 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map); 4543 sc->tulip_setup_dma_addr = 0; 4544 } 4545 if (sc->tulip_setupbuf != NULL) { 4546 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf, 4547 sc->tulip_setup_map); 4548 sc->tulip_setupbuf = NULL; 4549 } 4550 if (sc->tulip_setup_tag != NULL) { 4551 bus_dma_tag_destroy(sc->tulip_setup_tag); 4552 sc->tulip_setup_tag = NULL; 4553 } 4554 4555 /* Release the transmit ring. */ 4556 tulip_busdma_freering(&sc->tulip_txinfo); 4557 4558 /* Release the receive ring. */ 4559 tulip_busdma_freering(&sc->tulip_rxinfo); 4560 } 4561 4562 static int 4563 tulip_busdma_init(device_t dev, tulip_softc_t * const sc) 4564 { 4565 int error; 4566 4567 /* 4568 * Allocate space and dmamap for transmit ring. 4569 */ 4570 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG, 4571 &sc->tulip_txinfo, "transmit"); 4572 if (error) 4573 return (error); 4574 4575 /* 4576 * Allocate space and dmamap for receive ring. We tell bus_dma that 4577 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster, 4578 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not 4579 * a waste in practice though as an ethernet frame can easily fit 4580 * in TULIP_RX_BUFLEN bytes. 4581 */ 4582 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1, 4583 &sc->tulip_rxinfo, "receive"); 4584 if (error) 4585 return (error); 4586 4587 /* 4588 * Allocate a DMA tag, memory, and map for setup descriptor 4589 */ 4590 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0, 4591 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, 4592 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0, 4593 NULL, NULL, &sc->tulip_setup_tag); 4594 if (error) { 4595 device_printf(dev, "failed to allocate setup descriptor dma tag\n"); 4596 return (error); 4597 } 4598 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf, 4599 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map); 4600 if (error) { 4601 device_printf(dev, "failed to allocate memory for setup descriptor\n"); 4602 return (error); 4603 } 4604 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map, 4605 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata), 4606 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT); 4607 if (error) { 4608 device_printf(dev, "failed to get dma address for setup descriptor\n"); 4609 return (error); 4610 } 4611 4612 return error; 4613 } 4614 4615 static void 4616 tulip_initcsrs(tulip_softc_t * const sc, tulip_csrptr_t csr_base, 4617 size_t csr_size) 4618 { 4619 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4620 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4621 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4622 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4623 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4624 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4625 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4626 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4627 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4628 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4629 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4630 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4631 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4632 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4633 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4634 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4635 } 4636 4637 static int 4638 tulip_initring( 4639 device_t dev, 4640 tulip_softc_t * const sc, 4641 tulip_ringinfo_t * const ri, 4642 int ndescs) 4643 { 4644 int i; 4645 4646 ri->ri_descinfo = malloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF, 4647 M_WAITOK | M_ZERO); 4648 for (i = 0; i < ndescs; i++) { 4649 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i]; 4650 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i]; 4651 } 4652 ri->ri_first = ri->ri_descinfo; 4653 ri->ri_max = ndescs; 4654 ri->ri_last = ri->ri_first + ri->ri_max; 4655 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max); 4656 ri->ri_last[-1].di_desc->d_flag = TULIP_DFLAG_ENDRING; 4657 return (0); 4658 } 4659 4660 /* 4661 * This is the PCI configuration support. 4662 */ 4663 4664 #define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */ 4665 #define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */ 4666 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4667 4668 static int 4669 tulip_pci_probe(device_t dev) 4670 { 4671 const char *name = NULL; 4672 4673 if (pci_get_vendor(dev) != DEC_VENDORID) 4674 return ENXIO; 4675 4676 /* 4677 * Some LanMedia WAN cards use the Tulip chip, but they have 4678 * their own driver, and we should not recognize them 4679 */ 4680 if (pci_get_subvendor(dev) == 0x1376) 4681 return ENXIO; 4682 4683 switch (pci_get_device(dev)) { 4684 case CHIPID_21040: 4685 name = "Digital 21040 Ethernet"; 4686 break; 4687 case CHIPID_21041: 4688 name = "Digital 21041 Ethernet"; 4689 break; 4690 case CHIPID_21140: 4691 if (pci_get_revid(dev) >= 0x20) 4692 name = "Digital 21140A Fast Ethernet"; 4693 else 4694 name = "Digital 21140 Fast Ethernet"; 4695 break; 4696 case CHIPID_21142: 4697 if (pci_get_revid(dev) >= 0x20) 4698 name = "Digital 21143 Fast Ethernet"; 4699 else 4700 name = "Digital 21142 Fast Ethernet"; 4701 break; 4702 } 4703 if (name) { 4704 device_set_desc(dev, name); 4705 return BUS_PROBE_LOW_PRIORITY; 4706 } 4707 return ENXIO; 4708 } 4709 4710 static int 4711 tulip_shutdown(device_t dev) 4712 { 4713 tulip_softc_t * const sc = device_get_softc(dev); 4714 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4715 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4716 33MHz that comes to two microseconds but wait a 4717 bit longer anyways) */ 4718 return 0; 4719 } 4720 4721 static int 4722 tulip_pci_attach(device_t dev) 4723 { 4724 tulip_softc_t *sc; 4725 int retval, idx; 4726 u_int32_t revinfo, cfdainfo; 4727 unsigned csroffset = TULIP_PCI_CSROFFSET; 4728 unsigned csrsize = TULIP_PCI_CSRSIZE; 4729 tulip_csrptr_t csr_base; 4730 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4731 struct resource *res; 4732 int rid, unit; 4733 4734 unit = device_get_unit(dev); 4735 4736 if (unit >= TULIP_MAX_DEVICES) { 4737 device_printf(dev, "not configured; limit of %d reached or exceeded\n", 4738 TULIP_MAX_DEVICES); 4739 return ENXIO; 4740 } 4741 4742 revinfo = pci_get_revid(dev); 4743 cfdainfo = pci_read_config(dev, PCI_CFDA, 4); 4744 4745 /* turn busmaster on in case BIOS doesn't set it */ 4746 pci_enable_busmaster(dev); 4747 4748 if (pci_get_vendor(dev) == DEC_VENDORID) { 4749 if (pci_get_device(dev) == CHIPID_21040) 4750 chipid = TULIP_21040; 4751 else if (pci_get_device(dev) == CHIPID_21041) 4752 chipid = TULIP_21041; 4753 else if (pci_get_device(dev) == CHIPID_21140) 4754 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4755 else if (pci_get_device(dev) == CHIPID_21142) 4756 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4757 } 4758 if (chipid == TULIP_CHIPID_UNKNOWN) 4759 return ENXIO; 4760 4761 if (chipid == TULIP_21040 && revinfo < 0x20) { 4762 device_printf(dev, 4763 "not configured; 21040 pass 2.0 required (%d.%d found)\n", 4764 revinfo >> 4, revinfo & 0x0f); 4765 return ENXIO; 4766 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4767 device_printf(dev, 4768 "not configured; 21140 pass 1.1 required (%d.%d found)\n", 4769 revinfo >> 4, revinfo & 0x0f); 4770 return ENXIO; 4771 } 4772 4773 sc = device_get_softc(dev); 4774 sc->tulip_dev = dev; 4775 sc->tulip_pci_busno = pci_get_bus(dev); 4776 sc->tulip_pci_devno = pci_get_slot(dev); 4777 sc->tulip_chipid = chipid; 4778 sc->tulip_flags |= TULIP_DEVICEPROBE; 4779 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4780 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4781 if (chipid == TULIP_21140A && revinfo <= 0x22) 4782 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4783 if (chipid == TULIP_21140) 4784 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4785 if (chipid != TULIP_21040 && chipid != TULIP_21140) 4786 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4787 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4788 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4789 if (chipid != TULIP_21041 || revinfo >= 0x20) 4790 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4791 if (chipid != TULIP_21041) 4792 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4793 if (chipid != TULIP_21041 && revinfo >= 0x20) 4794 sc->tulip_features |= TULIP_HAVE_SIA100; 4795 } 4796 4797 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4798 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4799 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4800 pci_write_config(dev, PCI_CFDA, cfdainfo, 4); 4801 DELAY(11*1000); 4802 } 4803 4804 sc->tulip_unit = unit; 4805 sc->tulip_revinfo = revinfo; 4806 #if defined(TULIP_IOMAPPED) 4807 rid = PCI_CBIO; 4808 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE); 4809 #else 4810 rid = PCI_CBMA; 4811 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); 4812 #endif 4813 if (!res) 4814 return ENXIO; 4815 sc->tulip_csrs_bst = rman_get_bustag(res); 4816 sc->tulip_csrs_bsh = rman_get_bushandle(res); 4817 csr_base = 0; 4818 4819 mtx_init(TULIP_MUTEX(sc), MTX_NETWORK_LOCK, device_get_nameunit(dev), 4820 MTX_DEF); 4821 callout_init_mtx(&sc->tulip_callout, TULIP_MUTEX(sc), 0); 4822 callout_init_mtx(&sc->tulip_stat_timer, TULIP_MUTEX(sc), 0); 4823 tulips[unit] = sc; 4824 4825 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4826 4827 if ((retval = tulip_busdma_init(dev, sc)) != 0) { 4828 device_printf(dev, "error initing bus_dma: %d\n", retval); 4829 tulip_busdma_cleanup(sc); 4830 mtx_destroy(TULIP_MUTEX(sc)); 4831 return ENXIO; 4832 } 4833 4834 retval = tulip_initring(dev, sc, &sc->tulip_rxinfo, TULIP_RXDESCS); 4835 if (retval == 0) 4836 retval = tulip_initring(dev, sc, &sc->tulip_txinfo, TULIP_TXDESCS); 4837 if (retval) { 4838 tulip_busdma_cleanup(sc); 4839 mtx_destroy(TULIP_MUTEX(sc)); 4840 return retval; 4841 } 4842 4843 /* 4844 * Make sure there won't be any interrupts or such... 4845 */ 4846 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4847 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4848 33MHz that comes to two microseconds but wait a 4849 bit longer anyways) */ 4850 4851 TULIP_LOCK(sc); 4852 retval = tulip_read_macaddr(sc); 4853 TULIP_UNLOCK(sc); 4854 if (retval < 0) { 4855 device_printf(dev, "can't read ENET ROM (why=%d) (", retval); 4856 for (idx = 0; idx < 32; idx++) 4857 printf("%02x", sc->tulip_rombuf[idx]); 4858 printf("\n"); 4859 device_printf(dev, "%s%s pass %d.%d\n", 4860 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 4861 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4862 device_printf(dev, "address unknown\n"); 4863 } else { 4864 void (*intr_rtn)(void *) = tulip_intr_normal; 4865 4866 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4867 intr_rtn = tulip_intr_shared; 4868 4869 tulip_attach(sc); 4870 4871 /* Setup interrupt last. */ 4872 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4873 void *ih; 4874 4875 rid = 0; 4876 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, 4877 RF_SHAREABLE | RF_ACTIVE); 4878 if (res == NULL || bus_setup_intr(dev, res, INTR_TYPE_NET | 4879 INTR_MPSAFE, NULL, intr_rtn, sc, &ih)) { 4880 device_printf(dev, "couldn't map interrupt\n"); 4881 tulip_busdma_cleanup(sc); 4882 ether_ifdetach(sc->tulip_ifp); 4883 if_free(sc->tulip_ifp); 4884 mtx_destroy(TULIP_MUTEX(sc)); 4885 return ENXIO; 4886 } 4887 } 4888 } 4889 return 0; 4890 } 4891 4892 static device_method_t tulip_pci_methods[] = { 4893 /* Device interface */ 4894 DEVMETHOD(device_probe, tulip_pci_probe), 4895 DEVMETHOD(device_attach, tulip_pci_attach), 4896 DEVMETHOD(device_shutdown, tulip_shutdown), 4897 { 0, 0 } 4898 }; 4899 4900 static driver_t tulip_pci_driver = { 4901 "de", 4902 tulip_pci_methods, 4903 sizeof(tulip_softc_t), 4904 }; 4905 4906 static devclass_t tulip_devclass; 4907 4908 DRIVER_MODULE(de, pci, tulip_pci_driver, tulip_devclass, 0, 0); 4909 4910 #ifdef DDB 4911 void tulip_dumpring(int unit, int ring); 4912 void tulip_dumpdesc(int unit, int ring, int desc); 4913 void tulip_status(int unit); 4914 4915 void 4916 tulip_dumpring(int unit, int ring) 4917 { 4918 tulip_softc_t *sc; 4919 tulip_ringinfo_t *ri; 4920 tulip_descinfo_t *di; 4921 4922 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4923 db_printf("invalid unit %d\n", unit); 4924 return; 4925 } 4926 sc = tulips[unit]; 4927 if (sc == NULL) { 4928 db_printf("unit %d not present\n", unit); 4929 return; 4930 } 4931 4932 switch (ring) { 4933 case 0: 4934 db_printf("receive ring:\n"); 4935 ri = &sc->tulip_rxinfo; 4936 break; 4937 case 1: 4938 db_printf("transmit ring:\n"); 4939 ri = &sc->tulip_txinfo; 4940 break; 4941 default: 4942 db_printf("invalid ring %d\n", ring); 4943 return; 4944 } 4945 4946 db_printf(" nextin: %td, nextout: %td, max: %d, free: %d\n", 4947 ri->ri_nextin - ri->ri_first, ri->ri_nextout - ri->ri_first, 4948 ri->ri_max, ri->ri_free); 4949 for (di = ri->ri_first; di != ri->ri_last; di++) { 4950 if (di->di_mbuf != NULL) 4951 db_printf(" descriptor %td: mbuf %p\n", di - ri->ri_first, 4952 di->di_mbuf); 4953 else if (di->di_desc->d_flag & TULIP_DFLAG_TxSETUPPKT) 4954 db_printf(" descriptor %td: setup packet\n", di - ri->ri_first); 4955 } 4956 } 4957 4958 void 4959 tulip_dumpdesc(int unit, int ring, int desc) 4960 { 4961 tulip_softc_t *sc; 4962 tulip_ringinfo_t *ri; 4963 tulip_descinfo_t *di; 4964 char *s; 4965 4966 if (unit < 0 || unit >= TULIP_MAX_DEVICES) { 4967 db_printf("invalid unit %d\n", unit); 4968 return; 4969 } 4970 sc = tulips[unit]; 4971 if (sc == NULL) { 4972 db_printf("unit %d not present\n", unit); 4973 return; 4974 } 4975 4976 switch (ring) { 4977 case 0: 4978 s = "receive"; 4979 ri = &sc->tulip_rxinfo; 4980 break; 4981 case 1: 4982 s = "transmit"; 4983 ri = &sc->tulip_txinfo; 4984 break; 4985 default: 4986 db_printf("invalid ring %d\n", ring); 4987 return; 4988 } 4989 4990 if (desc < 0 || desc >= ri->ri_max) { 4991 db_printf("invalid descriptor %d\n", desc); 4992 return; 4993 } 4994 4995 db_printf("%s descriptor %d:\n", s, desc); 4996 di = &ri->ri_first[desc]; 4997 db_printf(" mbuf: %p\n", di->di_mbuf); 4998 db_printf(" status: %08x flag: %03x\n", di->di_desc->d_status, 4999 di->di_desc->d_flag); 5000 db_printf(" addr1: %08x len1: %03x\n", di->di_desc->d_addr1, 5001 di->di_desc->d_length1); 5002 db_printf(" addr2: %08x len2: %03x\n", di->di_desc->d_addr2, 5003 di->di_desc->d_length2); 5004 } 5005 #endif

Cache object: 4705b481a0bc98e2b60c0c2f36ab9bd2

FreeBSD/Linux Kernel Cross Reference sys/dev/de/if_de.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/de/if_de.c