1 /* $OpenBSD: if_de.c,v 1.57 2003/04/06 18:54:20 ho Exp $ */ 2 /* $NetBSD: if_de.c,v 1.45 1997/06/09 00:34:18 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.89 1997/06/03 19:19:55 thomas Exp 28 * 29 */ 30 31 /* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40 #define TULIP_HDR_DATA 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/protosw.h> 46 #include <sys/socket.h> 47 #include <sys/ioctl.h> 48 #include <sys/errno.h> 49 #include <sys/malloc.h> 50 #include <sys/kernel.h> 51 #include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */ 52 #if defined(__FreeBSD__) 53 #include <machine/clock.h> 54 #elif defined(__bsdi__) || defined(__NetBSD__) || defined(__OpenBSD__) 55 #include <sys/device.h> 56 #endif 57 #ifdef __OpenBSD__ 58 #include <sys/timeout.h> 59 #endif 60 61 #include <net/if.h> 62 #if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA) 63 #include <net/if_media.h> 64 #endif 65 #include <net/if_types.h> 66 #include <net/if_dl.h> 67 #include <net/route.h> 68 #include <net/netisr.h> 69 70 #if defined(__bsdi__) && _BSDI_VERSION >= 199701 71 #include <dev/mii/mii.h> 72 #include <dev/mii/miivar.h> 73 #endif 74 75 #include "bpfilter.h" 76 #if NBPFILTER > 0 77 #include <net/bpf.h> 78 #include <net/bpfdesc.h> 79 #endif 80 81 #ifdef INET 82 #include <netinet/in.h> 83 #include <netinet/in_systm.h> 84 #include <netinet/in_var.h> 85 #include <netinet/ip.h> 86 #endif 87 88 #ifdef NS 89 #include <netns/ns.h> 90 #include <netns/ns_if.h> 91 #endif 92 93 #include <uvm/uvm_extern.h> 94 95 #if defined(__FreeBSD__) 96 #include <vm/pmap.h> 97 #include <pci.h> 98 #include <netinet/if_ether.h> 99 #if NPCI > 0 100 #include <pci/pcivar.h> 101 #include <pci/dc21040reg.h> 102 #define DEVAR_INCLUDE "pci/if_devar.h" 103 #endif 104 #endif /* __FreeBSD__ */ 105 106 #if defined(__bsdi__) 107 #include <netinet/if_ether.h> 108 #include <i386/pci/ic/dc21040reg.h> 109 #include <i386/isa/isa.h> 110 #include <i386/isa/icu.h> 111 #include <i386/isa/dma.h> 112 #include <i386/isa/isavar.h> 113 #include <i386/pci/pci.h> 114 #if _BSDI_VERSION < 199510 115 #include <eisa.h> 116 #else 117 #define NEISA 0 118 #endif 119 #if NEISA > 0 && _BSDI_VERSION >= 199401 120 #include <i386/eisa/eisa.h> 121 #define TULIP_EISA 122 #endif 123 #define DEVAR_INCLUDE "i386/pci/if_devar.h" 124 #endif /* __bsdi__ */ 125 126 #if defined(__NetBSD__) 127 #include <net/if_ether.h> 128 #if defined(INET) 129 #include <netinet/if_inarp.h> 130 #endif 131 #endif 132 133 #if defined(__OpenBSD__) 134 #include <netinet/if_ether.h> 135 #endif 136 137 #if defined(__NetBSD__) || defined(__OpenBSD__) 138 #include <machine/bus.h> 139 #if defined(__alpha__) 140 #include <machine/intr.h> 141 #endif 142 #include <dev/pci/pcireg.h> 143 #include <dev/pci/pcivar.h> 144 #include <dev/pci/pcidevs.h> 145 #include <dev/ic/dc21040reg.h> 146 #define DEVAR_INCLUDE "dev/pci/if_devar.h" 147 #endif /* __NetBSD__ */ 148 149 /* 150 * Intel CPUs should use I/O mapped access. 151 */ 152 #if defined(__i386__) || defined(TULIP_EISA) 153 #define TULIP_IOMAPPED 154 #endif 155 156 /* 157 * This turns on all sort of debugging stuff and make the 158 * driver much larger. 159 */ 160 #if 0 161 #define TULIP_DEBUG 162 #endif 163 164 #if 0 165 #define TULIP_USE_SOFTINTR 166 #endif 167 168 #define TULIP_HZ 10 169 170 #include DEVAR_INCLUDE 171 /* 172 * This module supports 173 * the DEC 21040 PCI Ethernet Controller. 174 * the DEC 21041 PCI Ethernet Controller. 175 * the DEC 21140 PCI Fast Ethernet Controller. 176 */ 177 static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 178 static tulip_intrfunc_t tulip_intr_shared(void *arg); 179 static tulip_intrfunc_t tulip_intr_normal(void *arg); 180 static void tulip_init(tulip_softc_t * const sc); 181 static void tulip_reset(tulip_softc_t * const sc); 182 static ifnet_ret_t tulip_ifstart_one(struct ifnet *ifp); 183 static ifnet_ret_t tulip_ifstart(struct ifnet *ifp); 184 static struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 185 static void tulip_txput_setup(tulip_softc_t * const sc); 186 static void tulip_rx_intr(tulip_softc_t * const sc); 187 static void tulip_addr_filter(tulip_softc_t * const sc); 188 static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 189 static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data); 190 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 191 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 192 static int tulip_srom_decode(tulip_softc_t * const sc); 193 #if defined(IFM_ETHER) 194 static int tulip_ifmedia_change(struct ifnet * const ifp); 195 static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 196 #endif 197 /* static void tulip_21140_map_media(tulip_softc_t *sc); */ 198 199 static void 200 tulip_timeout_callback( 201 void *arg) 202 { 203 tulip_softc_t * const sc = arg; 204 tulip_spl_t s = TULIP_RAISESPL(); 205 206 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 207 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 208 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 209 TULIP_RESTORESPL(s); 210 } 211 212 static void 213 tulip_timeout( 214 tulip_softc_t * const sc) 215 { 216 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 217 return; 218 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 219 #ifdef __OpenBSD__ 220 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 221 #else 222 timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ); 223 #endif 224 } 225 226 #if defined(TULIP_NEED_FASTTIMEOUT) 227 static void 228 tulip_fasttimeout_callback( 229 void *arg) 230 { 231 tulip_softc_t * const sc = arg; 232 tulip_spl_t s = TULIP_RAISESPL(); 233 234 sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING; 235 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER); 236 TULIP_RESTORESPL(s); 237 } 238 239 static void 240 tulip_fasttimeout( 241 tulip_softc_t * const sc) 242 { 243 if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING) 244 return; 245 sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING; 246 #ifdef __OpenBSD__ 247 timeout_add(&sc->tulip_ftmo, 1); 248 #else 249 timeout(tulip_fasttimeout_callback, sc, 1); 250 #endif 251 } 252 #endif 253 254 static int 255 tulip_txprobe( 256 tulip_softc_t * const sc) 257 { 258 struct mbuf *m; 259 /* 260 * Before we are sure this is the right media we need 261 * to send a small packet to make sure there's carrier. 262 * Strangely, BNC and AUI will "see" receive data if 263 * either is connected so the transmit is the only way 264 * to verify the connectivity. 265 */ 266 MGETHDR(m, M_DONTWAIT, MT_DATA); 267 if (m == NULL) 268 return 0; 269 /* 270 * Construct a LLC TEST message which will point to ourselves. 271 */ 272 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6); 273 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6); 274 mtod(m, struct ether_header *)->ether_type = htons(3); 275 mtod(m, unsigned char *)[14] = 0; 276 mtod(m, unsigned char *)[15] = 0; 277 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 278 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 279 /* 280 * send it! 281 */ 282 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 283 sc->tulip_intrmask |= TULIP_STS_TXINTR; 284 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 285 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 286 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 287 if ((m = tulip_txput(sc, m)) != NULL) 288 m_freem(m); 289 sc->tulip_probe.probe_txprobes++; 290 return 1; 291 } 292 293 #ifdef BIG_PACKET 294 #define TULIP_SIAGEN_WATCHDOG (sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0) 295 #else 296 #define TULIP_SIAGEN_WATCHDOG 0 297 #endif 298 299 static void 300 tulip_media_set( 301 tulip_softc_t * const sc, 302 tulip_media_t media) 303 { 304 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 305 306 if (mi == NULL) 307 return; 308 309 /* 310 * If we are switching media, make sure we don't think there's 311 * any stale RX activity 312 */ 313 sc->tulip_flags &= ~TULIP_RXACT; 314 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 315 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 316 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 317 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 318 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 319 DELAY(50); 320 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 321 } else { 322 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 323 } 324 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 325 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 326 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 327 /* 328 * If the cmdmode bits don't match the currently operating mode, 329 * set the cmdmode appropriately and reset the chip. 330 */ 331 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 332 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 333 sc->tulip_cmdmode |= mi->mi_cmdmode; 334 tulip_reset(sc); 335 } 336 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 337 DELAY(10); 338 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 339 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 340 /* 341 * If the cmdmode bits don't match the currently operating mode, 342 * set the cmdmode appropriately and reset the chip. 343 */ 344 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 345 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 346 sc->tulip_cmdmode |= mi->mi_cmdmode; 347 tulip_reset(sc); 348 } 349 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 350 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 351 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 352 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 353 int idx; 354 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 355 const u_int8_t *dp; 356 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 357 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 358 DELAY(10); 359 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 360 } 361 sc->tulip_phyaddr = mi->mi_phyaddr; 362 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 363 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 364 DELAY(10); 365 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 366 } 367 } else { 368 for (idx = 0; idx < mi->mi_reset_length; idx++) { 369 DELAY(10); 370 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 371 } 372 sc->tulip_phyaddr = mi->mi_phyaddr; 373 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 374 DELAY(10); 375 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 376 } 377 } 378 if (sc->tulip_flags & TULIP_TRYNWAY) { 379 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 380 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 381 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 382 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 383 sc->tulip_flags &= ~TULIP_DIDNWAY; 384 if (TULIP_IS_MEDIA_FD(media)) 385 data |= PHYCTL_FULL_DUPLEX; 386 if (TULIP_IS_MEDIA_100MB(media)) 387 data |= PHYCTL_SELECT_100MB; 388 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 389 } 390 } 391 } 392 393 static void 394 tulip_linkup( 395 tulip_softc_t * const sc, 396 tulip_media_t media) 397 { 398 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 399 sc->tulip_flags |= TULIP_PRINTLINKUP; 400 sc->tulip_flags |= TULIP_LINKUP; 401 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 402 #if 0 /* XXX how does with work with ifmedia? */ 403 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 404 if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) { 405 if (TULIP_CAN_MEDIA_FD(media) 406 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL) 407 media = TULIP_FD_MEDIA_OF(media); 408 } else { 409 if (TULIP_IS_MEDIA_FD(media) 410 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL) 411 media = TULIP_HD_MEDIA_OF(media); 412 } 413 } 414 #endif 415 if (sc->tulip_media != media) { 416 #ifdef TULIP_DEBUG 417 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 418 #endif 419 sc->tulip_media = media; 420 sc->tulip_flags |= TULIP_PRINTMEDIA; 421 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) { 422 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 423 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) { 424 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 425 } 426 } 427 /* 428 * We could set probe_timeout to 0 but setting to 3000 puts this 429 * in one central place and the only matters is tulip_link is 430 * followed by a tulip_timeout. Therefore setting it should not 431 * result in aberrant behavour. 432 */ 433 sc->tulip_probe_timeout = 3000; 434 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 435 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 436 if (sc->tulip_flags & TULIP_INRESET) { 437 tulip_media_set(sc, sc->tulip_media); 438 } else if (sc->tulip_probe_media != sc->tulip_media) { 439 /* 440 * No reason to change media if we have the right media. 441 */ 442 tulip_reset(sc); 443 } 444 tulip_init(sc); 445 } 446 447 static void 448 tulip_media_print( 449 tulip_softc_t * const sc) 450 { 451 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 452 return; 453 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 454 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 455 TULIP_PRINTF_ARGS, 456 tulip_mediums[sc->tulip_media]); 457 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 458 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 459 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 460 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 461 } 462 } 463 464 #if defined(TULIP_DO_GPR_SENSE) 465 static tulip_media_t 466 tulip_21140_gpr_media_sense( 467 tulip_softc_t * const sc) 468 { 469 tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN; 470 tulip_media_t last_media = TULIP_MEDIA_UNKNOWN; 471 tulip_media_t media; 472 473 /* 474 * If one of the media blocks contained a default media flag, 475 * use that. 476 */ 477 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 478 const tulip_media_info_t *mi; 479 /* 480 * Media is not supported (or is full-duplex). 481 */ 482 if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media)) 483 continue; 484 if (mi->mi_type != TULIP_MEDIAINFO_GPR) 485 continue; 486 487 /* 488 * Remember the media is this is the "default" media. 489 */ 490 if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN) 491 maybe_media = media; 492 493 /* 494 * No activity mask? Can't see if it is active if there's no mask. 495 */ 496 if (mi->mi_actmask == 0) 497 continue; 498 499 /* 500 * Does the activity data match? 501 */ 502 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata) 503 continue; 504 505 #if defined(TULIP_DEBUG) 506 printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n", 507 TULIP_PRINTF_ARGS, tulip_mediums[media], 508 TULIP_CSR_READ(sc, csr_gp) & 0xFF, 509 mi->mi_actmask, mi->mi_actdata); 510 #endif 511 /* 512 * It does! If this is the first media we detected, then 513 * remember this media. If isn't the first, then there were 514 * multiple matches which we equate to no match (since we don't 515 * which to select (if any). 516 */ 517 if (last_media == TULIP_MEDIA_UNKNOWN) { 518 last_media = media; 519 } else if (last_media != media) { 520 last_media = TULIP_MEDIA_UNKNOWN; 521 } 522 } 523 return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media; 524 } 525 #endif /* TULIP_DO_GPR_SENSE */ 526 527 static tulip_link_status_t 528 tulip_media_link_monitor( 529 tulip_softc_t * const sc) 530 { 531 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 532 tulip_link_status_t linkup = TULIP_LINK_DOWN; 533 534 if (mi == NULL) { 535 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 536 printf("tulip_media_link_monitor: %s: botch at line %d\n", 537 tulip_mediums[sc->tulip_media],__LINE__); 538 #endif 539 return TULIP_LINK_UNKNOWN; 540 } 541 542 543 /* 544 * Have we seen some packets? If so, the link must be good. 545 */ 546 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 547 sc->tulip_flags &= ~TULIP_RXACT; 548 sc->tulip_probe_timeout = 3000; 549 return TULIP_LINK_UP; 550 } 551 552 sc->tulip_flags &= ~TULIP_RXACT; 553 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 554 u_int32_t status; 555 /* 556 * Read the PHY status register. 557 */ 558 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 559 if (status & PHYSTS_AUTONEG_DONE) { 560 /* 561 * If the PHY has completed autonegotiation, see the if the 562 * remote systems abilities have changed. If so, upgrade or 563 * downgrade as appropriate. 564 */ 565 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 566 abilities = (abilities << 6) & status; 567 if (abilities != sc->tulip_abilities) { 568 #if defined(TULIP_DEBUG) 569 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 570 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 571 sc->tulip_abilities, abilities); 572 #endif 573 if (tulip_mii_map_abilities(sc, abilities)) { 574 tulip_linkup(sc, sc->tulip_probe_media); 575 return TULIP_LINK_UP; 576 } 577 /* 578 * if we had selected media because of autonegotiation, 579 * we need to probe for the new media. 580 */ 581 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 582 if (sc->tulip_flags & TULIP_DIDNWAY) 583 return TULIP_LINK_DOWN; 584 } 585 } 586 /* 587 * The link is now up. If was down, say its back up. 588 */ 589 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 590 linkup = TULIP_LINK_UP; 591 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 592 /* 593 * No activity sensor? Assume all's well. 594 */ 595 if (mi->mi_actmask == 0) 596 return TULIP_LINK_UNKNOWN; 597 /* 598 * Does the activity data match? 599 */ 600 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 601 linkup = TULIP_LINK_UP; 602 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 603 /* 604 * Assume non TP ok for now. 605 */ 606 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 607 return TULIP_LINK_UNKNOWN; 608 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 609 linkup = TULIP_LINK_UP; 610 #if defined(TULIP_DEBUG) 611 if (sc->tulip_probe_timeout <= 0) 612 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 613 #endif 614 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 615 return TULIP_LINK_UNKNOWN; 616 } 617 /* 618 * We will wait for 3 seconds until the link goes into suspect mode. 619 */ 620 if (sc->tulip_flags & TULIP_LINKUP) { 621 if (linkup == TULIP_LINK_UP) 622 sc->tulip_probe_timeout = 3000; 623 if (sc->tulip_probe_timeout > 0) 624 return TULIP_LINK_UP; 625 626 sc->tulip_flags &= ~TULIP_LINKUP; 627 } 628 #if defined(TULIP_DEBUG) 629 sc->tulip_dbg.dbg_link_downed++; 630 #endif 631 return TULIP_LINK_DOWN; 632 } 633 634 static void 635 tulip_media_poll( 636 tulip_softc_t * const sc, 637 tulip_mediapoll_event_t event) 638 { 639 #if defined(TULIP_DEBUG) 640 sc->tulip_dbg.dbg_events[event]++; 641 #endif 642 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 643 && event == TULIP_MEDIAPOLL_TIMER) { 644 switch (tulip_media_link_monitor(sc)) { 645 case TULIP_LINK_DOWN: { 646 /* 647 * Link Monitor failed. Probe for new media. 648 */ 649 event = TULIP_MEDIAPOLL_LINKFAIL; 650 break; 651 } 652 case TULIP_LINK_UP: { 653 /* 654 * Check again soon. 655 */ 656 tulip_timeout(sc); 657 return; 658 } 659 case TULIP_LINK_UNKNOWN: { 660 /* 661 * We can't tell so don't bother. 662 */ 663 return; 664 } 665 } 666 } 667 668 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 669 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 670 if (TULIP_DO_AUTOSENSE(sc)) { 671 #if defined(TULIP_DEBUG) 672 sc->tulip_dbg.dbg_link_failures++; 673 #endif 674 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 675 if (sc->tulip_if.if_flags & IFF_UP) 676 tulip_reset(sc); /* restart probe */ 677 } 678 return; 679 } 680 #if defined(TULIP_DEBUG) 681 sc->tulip_dbg.dbg_link_pollintrs++; 682 #endif 683 } 684 685 if (event == TULIP_MEDIAPOLL_START) { 686 sc->tulip_if.if_flags |= IFF_OACTIVE; 687 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 688 return; 689 sc->tulip_probe_mediamask = 0; 690 sc->tulip_probe_passes = 0; 691 #if defined(TULIP_DEBUG) 692 sc->tulip_dbg.dbg_media_probes++; 693 #endif 694 /* 695 * If the SROM contained an explicit media to use, use it. 696 */ 697 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 698 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 699 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 700 /* 701 * connidx is defaulted to a media_unknown type. 702 */ 703 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 704 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 705 tulip_linkup(sc, sc->tulip_probe_media); 706 tulip_timeout(sc); 707 return; 708 } 709 710 if (sc->tulip_features & TULIP_HAVE_GPR) { 711 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 712 sc->tulip_probe_timeout = 2000; 713 } else { 714 sc->tulip_probe_media = TULIP_MEDIA_MAX; 715 sc->tulip_probe_timeout = 0; 716 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 717 } 718 } 719 720 /* 721 * Ignore txprobe failures or spurious callbacks. 722 */ 723 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 724 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 725 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 726 return; 727 } 728 729 /* 730 * If we really transmitted a packet, then that's the media we'll use. 731 */ 732 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 733 if (event == TULIP_MEDIAPOLL_LINKPASS) { 734 /* XXX check media status just to be sure */ 735 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 736 #if defined(TULIP_DEBUG) 737 } else { 738 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 739 #endif 740 } 741 tulip_linkup(sc, sc->tulip_probe_media); 742 tulip_timeout(sc); 743 return; 744 } 745 746 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 747 #if defined(TULIP_DO_GPR_SENSE) 748 /* 749 * Check for media via the general purpose register. 750 * 751 * Try to sense the media via the GPR. If the same value 752 * occurs 3 times in a row then just use that. 753 */ 754 if (sc->tulip_probe_timeout > 0) { 755 tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc); 756 #if defined(TULIP_DEBUG) 757 printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n", 758 TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]); 759 #endif 760 if (new_probe_media != TULIP_MEDIA_UNKNOWN) { 761 if (new_probe_media == sc->tulip_probe_media) { 762 if (--sc->tulip_probe_count == 0) 763 tulip_linkup(sc, sc->tulip_probe_media); 764 } else { 765 sc->tulip_probe_count = 10; 766 } 767 } 768 sc->tulip_probe_media = new_probe_media; 769 tulip_timeout(sc); 770 return; 771 } 772 #endif /* TULIP_DO_GPR_SENSE */ 773 /* 774 * Brute force. We cycle through each of the media types 775 * and try to transmit a packet. 776 */ 777 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 778 sc->tulip_probe_media = TULIP_MEDIA_MAX; 779 sc->tulip_probe_timeout = 0; 780 tulip_timeout(sc); 781 return; 782 } 783 784 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 785 && (sc->tulip_features & TULIP_HAVE_MII)) { 786 tulip_media_t old_media = sc->tulip_probe_media; 787 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 788 switch (sc->tulip_probe_state) { 789 case TULIP_PROBE_FAILED: 790 case TULIP_PROBE_MEDIATEST: { 791 /* 792 * Try the next media. 793 */ 794 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 795 sc->tulip_probe_timeout = 0; 796 #ifdef notyet 797 if (sc->tulip_probe_state == TULIP_PROBE_FAILED) 798 break; 799 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 800 break; 801 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300; 802 #endif 803 break; 804 } 805 case TULIP_PROBE_PHYAUTONEG: { 806 return; 807 } 808 case TULIP_PROBE_INACTIVE: { 809 /* 810 * Only probe if we autonegotiated a media that hasn't failed. 811 */ 812 sc->tulip_probe_timeout = 0; 813 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 814 sc->tulip_probe_media = old_media; 815 break; 816 } 817 tulip_linkup(sc, sc->tulip_probe_media); 818 tulip_timeout(sc); 819 return; 820 } 821 default: { 822 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 823 printf("tulip_media_poll: botch at line %d\n", __LINE__); 824 #endif 825 break; 826 } 827 } 828 } 829 830 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 831 #if defined(TULIP_DEBUG) 832 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 833 #endif 834 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 835 return; 836 } 837 838 /* 839 * switch to another media if we tried this one enough. 840 */ 841 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 842 #if defined(TULIP_DEBUG) 843 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 844 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 845 TULIP_PRINTF_ARGS); 846 sc->tulip_probe_media = TULIP_MEDIA_MAX; 847 } 848 #endif 849 /* 850 * Find the next media type to check for. Full Duplex 851 * types are not allowed. 852 */ 853 do { 854 sc->tulip_probe_media -= 1; 855 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 856 if (++sc->tulip_probe_passes == 3) { 857 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 858 sc->tulip_if.if_flags &= ~IFF_RUNNING; 859 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 860 return; 861 } 862 } 863 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 864 sc->tulip_probe_mediamask = 0; 865 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 866 } 867 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 868 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 869 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 870 871 #if defined(TULIP_DEBUG) 872 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 873 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 874 tulip_mediums[sc->tulip_probe_media]); 875 #endif 876 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 877 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 878 sc->tulip_probe.probe_txprobes = 0; 879 tulip_reset(sc); 880 tulip_media_set(sc, sc->tulip_probe_media); 881 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 882 } 883 tulip_timeout(sc); 884 885 /* 886 * If this is hanging off a phy, we know are doing NWAY and we have 887 * forced the phy to a specific speed. Wait for link up before 888 * before sending a packet. 889 */ 890 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 891 case TULIP_MEDIAINFO_MII: { 892 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 893 return; 894 break; 895 } 896 case TULIP_MEDIAINFO_SIA: { 897 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 898 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 899 return; 900 tulip_linkup(sc, sc->tulip_probe_media); 901 #ifdef notyet 902 if (sc->tulip_features & TULIP_HAVE_MII) 903 tulip_timeout(sc); 904 #endif 905 return; 906 } 907 break; 908 } 909 case TULIP_MEDIAINFO_RESET: 910 case TULIP_MEDIAINFO_SYM: 911 case TULIP_MEDIAINFO_NONE: 912 case TULIP_MEDIAINFO_GPR: { 913 break; 914 } 915 } 916 /* 917 * Try to send a packet. 918 */ 919 tulip_txprobe(sc); 920 } 921 922 static void 923 tulip_media_select( 924 tulip_softc_t * const sc) 925 { 926 if (sc->tulip_features & TULIP_HAVE_GPR) { 927 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 928 DELAY(10); 929 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 930 } 931 /* 932 * If this board has no media, just return 933 */ 934 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 935 return; 936 937 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 938 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 939 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 940 } else { 941 tulip_media_set(sc, sc->tulip_media); 942 } 943 } 944 945 static void 946 tulip_21040_mediainfo_init( 947 tulip_softc_t * const sc, 948 tulip_media_t media) 949 { 950 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 951 |TULIP_CMD_BACKOFFCTR; 952 sc->tulip_if.if_baudrate = 10000000; 953 954 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 955 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 956 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 957 958 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 959 } 960 961 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) { 962 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 963 } 964 965 if (media == TULIP_MEDIA_UNKNOWN) { 966 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 967 } 968 } 969 970 static void 971 tulip_21040_media_probe( 972 tulip_softc_t * const sc) 973 { 974 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 975 return; 976 } 977 978 static void 979 tulip_21040_10baset_only_media_probe( 980 tulip_softc_t * const sc) 981 { 982 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 983 tulip_media_set(sc, TULIP_MEDIA_10BASET); 984 sc->tulip_media = TULIP_MEDIA_10BASET; 985 } 986 987 static void 988 tulip_21040_10baset_only_media_select( 989 tulip_softc_t * const sc) 990 { 991 sc->tulip_flags |= TULIP_LINKUP; 992 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 993 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 994 sc->tulip_flags &= ~TULIP_SQETEST; 995 } else { 996 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 997 sc->tulip_flags |= TULIP_SQETEST; 998 } 999 tulip_media_set(sc, sc->tulip_media); 1000 } 1001 1002 static void 1003 tulip_21040_auibnc_only_media_probe( 1004 tulip_softc_t * const sc) 1005 { 1006 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 1007 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 1008 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1009 sc->tulip_media = TULIP_MEDIA_AUIBNC; 1010 } 1011 1012 static void 1013 tulip_21040_auibnc_only_media_select( 1014 tulip_softc_t * const sc) 1015 { 1016 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 1017 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1018 } 1019 1020 static const tulip_boardsw_t tulip_21040_boardsw = { 1021 TULIP_21040_GENERIC, 1022 tulip_21040_media_probe, 1023 tulip_media_select, 1024 tulip_media_poll, 1025 }; 1026 1027 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 1028 TULIP_21040_GENERIC, 1029 tulip_21040_10baset_only_media_probe, 1030 tulip_21040_10baset_only_media_select, 1031 NULL, 1032 }; 1033 1034 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 1035 TULIP_21040_GENERIC, 1036 tulip_21040_auibnc_only_media_probe, 1037 tulip_21040_auibnc_only_media_select, 1038 NULL, 1039 }; 1040 1041 static void 1042 tulip_21041_mediainfo_init( 1043 tulip_softc_t * const sc) 1044 { 1045 tulip_media_info_t * const mi = sc->tulip_mediainfo; 1046 1047 #ifdef notyet 1048 if (sc->tulip_revinfo >= 0x20) { 1049 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET); 1050 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD); 1051 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI); 1052 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC); 1053 return; 1054 } 1055 #endif 1056 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 1057 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 1058 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 1059 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 1060 } 1061 1062 static void 1063 tulip_21041_media_noprobe( 1064 tulip_softc_t * const sc) 1065 { 1066 sc->tulip_if.if_baudrate = 10000000; 1067 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1068 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1069 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 1070 } 1071 1072 static void 1073 tulip_21041_media_probe( 1074 tulip_softc_t * const sc) 1075 { 1076 sc->tulip_if.if_baudrate = 10000000; 1077 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 1078 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 1079 sc->tulip_intrmask |= TULIP_STS_LINKPASS; 1080 tulip_21041_mediainfo_init(sc); 1081 } 1082 1083 static void 1084 tulip_21041_media_poll( 1085 tulip_softc_t * const sc, 1086 const tulip_mediapoll_event_t event) 1087 { 1088 u_int32_t sia_status; 1089 1090 #if defined(TULIP_DEBUG) 1091 sc->tulip_dbg.dbg_events[event]++; 1092 #endif 1093 1094 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 1095 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 1096 || !TULIP_DO_AUTOSENSE(sc)) 1097 return; 1098 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 1099 tulip_reset(sc); /* start probe */ 1100 return; 1101 } 1102 1103 /* 1104 * If we've been been asked to start a poll or link change interrupt 1105 * restart the probe (and reset the tulip to a known state). 1106 */ 1107 if (event == TULIP_MEDIAPOLL_START) { 1108 sc->tulip_if.if_flags |= IFF_OACTIVE; 1109 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 1110 #ifdef notyet 1111 if (sc->tulip_revinfo >= 0x20) { 1112 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 1113 sc->tulip_flags |= TULIP_DIDNWAY; 1114 } 1115 #endif 1116 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1117 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1118 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1119 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 1120 tulip_media_set(sc, TULIP_MEDIA_10BASET); 1121 tulip_timeout(sc); 1122 return; 1123 } 1124 1125 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1126 return; 1127 1128 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 1129 #if defined(TULIP_DEBUG) 1130 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1131 #endif 1132 tulip_linkup(sc, sc->tulip_probe_media); 1133 return; 1134 } 1135 1136 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1137 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1138 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1139 if (sc->tulip_revinfo >= 0x20) { 1140 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1141 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1142 } 1143 /* 1144 * If the link has passed LinkPass, 10baseT is the 1145 * proper media to use. 1146 */ 1147 tulip_linkup(sc, sc->tulip_probe_media); 1148 return; 1149 } 1150 1151 /* 1152 * wait for up to 2.4 seconds for the link to reach pass state. 1153 * Only then start scanning the other media for activity. 1154 * choose media with receive activity over those without. 1155 */ 1156 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1157 if (event != TULIP_MEDIAPOLL_TIMER) 1158 return; 1159 if (sc->tulip_probe_timeout > 0 1160 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1161 tulip_timeout(sc); 1162 return; 1163 } 1164 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1165 sc->tulip_flags |= TULIP_WANTRXACT; 1166 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) { 1167 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1168 } else { 1169 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1170 } 1171 tulip_media_set(sc, sc->tulip_probe_media); 1172 tulip_timeout(sc); 1173 return; 1174 } 1175 1176 /* 1177 * If we failed, clear the txprobe active flag. 1178 */ 1179 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1180 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1181 1182 1183 if (event == TULIP_MEDIAPOLL_TIMER) { 1184 /* 1185 * If we've received something, then that's our link! 1186 */ 1187 if (sc->tulip_flags & TULIP_RXACT) { 1188 tulip_linkup(sc, sc->tulip_probe_media); 1189 return; 1190 } 1191 /* 1192 * if no txprobe active 1193 */ 1194 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1195 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1196 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1197 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1198 tulip_txprobe(sc); 1199 tulip_timeout(sc); 1200 return; 1201 } 1202 /* 1203 * Take 2 passes through before deciding to not 1204 * wait for receive activity. Then take another 1205 * two passes before spitting out a warning. 1206 */ 1207 if (sc->tulip_probe_timeout <= 0) { 1208 if (sc->tulip_flags & TULIP_WANTRXACT) { 1209 sc->tulip_flags &= ~TULIP_WANTRXACT; 1210 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1211 } else { 1212 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1213 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1214 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1215 return; 1216 } 1217 } 1218 } 1219 } 1220 1221 /* 1222 * Since this media failed to probe, try the other one. 1223 */ 1224 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1225 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) { 1226 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1227 } else { 1228 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1229 } 1230 tulip_media_set(sc, sc->tulip_probe_media); 1231 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1232 tulip_timeout(sc); 1233 } 1234 1235 static const tulip_boardsw_t tulip_21041_boardsw = { 1236 TULIP_21041_GENERIC, 1237 tulip_21041_media_probe, 1238 tulip_media_select, 1239 tulip_21041_media_poll 1240 }; 1241 1242 static const tulip_boardsw_t tulip_21041np_boardsw = { 1243 TULIP_21041_GENERIC, 1244 tulip_21041_media_noprobe, 1245 tulip_media_select, 1246 tulip_21041_media_poll 1247 }; 1248 1249 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1250 { 0x20005c00, 0, /* 08-00-17 */ 1251 { 1252 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1253 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1254 }, 1255 #if defined(TULIP_DEBUG) 1256 "NS DP83840", 1257 #endif 1258 }, 1259 { 0x0281F400, 0, /* 00-A0-7D */ 1260 { 1261 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1262 { }, /* 100TX */ 1263 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1264 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1265 }, 1266 #if defined(TULIP_DEBUG) 1267 "Seeq 80C240" 1268 #endif 1269 }, 1270 #if 0 1271 { 0x0015F420, 0, /* 00-A0-7D */ 1272 { 1273 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1274 { }, /* 100TX */ 1275 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1276 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1277 }, 1278 #if defined(TULIP_DEBUG) 1279 "Broadcom BCM5000" 1280 #endif 1281 }, 1282 #endif 1283 { 0x0281F400, 0, /* 00-A0-BE */ 1284 { 1285 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1286 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1287 { }, /* 100T4 */ 1288 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1289 }, 1290 #if defined(TULIP_DEBUG) 1291 "ICS 1890" 1292 #endif 1293 }, 1294 { 0x78100000, 0, /* 00-A0-CC */ 1295 { 1296 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1297 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1298 { }, /* 100T4 */ 1299 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1300 }, 1301 #if defined(TULIP_DEBUG) 1302 "LEVEL1 LXT970" 1303 #endif 1304 }, 1305 { 0 } 1306 }; 1307 1308 static tulip_media_t 1309 tulip_mii_phy_readspecific( 1310 tulip_softc_t * const sc) 1311 { 1312 const tulip_phy_attr_t *attr; 1313 u_int16_t data; 1314 u_int32_t id; 1315 unsigned idx = 0; 1316 static const tulip_media_t table[] = { 1317 TULIP_MEDIA_UNKNOWN, 1318 TULIP_MEDIA_10BASET, 1319 TULIP_MEDIA_100BASETX, 1320 TULIP_MEDIA_100BASET4, 1321 TULIP_MEDIA_UNKNOWN, 1322 TULIP_MEDIA_10BASET_FD, 1323 TULIP_MEDIA_100BASETX_FD, 1324 TULIP_MEDIA_UNKNOWN 1325 }; 1326 1327 /* 1328 * Don't read phy specific registers if link is not up. 1329 */ 1330 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1331 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1332 return TULIP_MEDIA_UNKNOWN; 1333 1334 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1335 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1336 for (attr = tulip_mii_phy_attrlist;; attr++) { 1337 if (attr->attr_id == 0) 1338 return TULIP_MEDIA_UNKNOWN; 1339 if ((id & ~0x0F) == attr->attr_id) 1340 break; 1341 } 1342 1343 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1344 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1345 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1346 if ((data & pm->pm_mask) == pm->pm_value) 1347 idx = 2; 1348 } 1349 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1350 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1351 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1352 if ((data & pm->pm_mask) == pm->pm_value) 1353 idx = 3; 1354 } 1355 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1356 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1357 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1358 if ((data & pm->pm_mask) == pm->pm_value) 1359 idx = 1; 1360 } 1361 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1362 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1363 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1364 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1365 } 1366 return table[idx]; 1367 } 1368 1369 static unsigned 1370 tulip_mii_get_phyaddr( 1371 tulip_softc_t * const sc, 1372 unsigned offset) 1373 { 1374 unsigned phyaddr; 1375 1376 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1377 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1378 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1379 continue; 1380 if (offset == 0) 1381 return phyaddr; 1382 offset--; 1383 } 1384 if (offset == 0) { 1385 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1386 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1387 return TULIP_MII_NOPHY; 1388 return 0; 1389 } 1390 return TULIP_MII_NOPHY; 1391 } 1392 1393 static int 1394 tulip_mii_map_abilities( 1395 tulip_softc_t * const sc, 1396 unsigned abilities) 1397 { 1398 sc->tulip_abilities = abilities; 1399 if (abilities & PHYSTS_100BASETX_FD) { 1400 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1401 } else if (abilities & PHYSTS_100BASET4) { 1402 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1403 } else if (abilities & PHYSTS_100BASETX) { 1404 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1405 } else if (abilities & PHYSTS_10BASET_FD) { 1406 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1407 } else if (abilities & PHYSTS_10BASET) { 1408 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1409 } else { 1410 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1411 return 0; 1412 } 1413 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1414 return 1; 1415 } 1416 1417 static void 1418 tulip_mii_autonegotiate( 1419 tulip_softc_t * const sc, 1420 const unsigned phyaddr) 1421 { 1422 switch (sc->tulip_probe_state) { 1423 case TULIP_PROBE_MEDIATEST: 1424 case TULIP_PROBE_INACTIVE: { 1425 sc->tulip_flags |= TULIP_DIDNWAY; 1426 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1427 sc->tulip_probe_timeout = 3000; 1428 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1429 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1430 /* FALL THROUGH */ 1431 } 1432 case TULIP_PROBE_PHYRESET: { 1433 u_int32_t status; 1434 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1435 if (data & PHYCTL_RESET) { 1436 if (sc->tulip_probe_timeout > 0) { 1437 tulip_timeout(sc); 1438 return; 1439 } 1440 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1441 TULIP_PRINTF_ARGS, phyaddr); 1442 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1443 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1444 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1445 return; 1446 } 1447 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1448 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1449 #if defined(TULIP_DEBUG) 1450 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1451 TULIP_PRINTF_ARGS, phyaddr); 1452 #endif 1453 sc->tulip_flags &= ~TULIP_DIDNWAY; 1454 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1455 return; 1456 } 1457 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1458 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1459 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1460 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1461 #if defined(TULIP_DEBUG) 1462 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1463 loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1464 TULIP_PRINTF_ARGS, phyaddr, data); 1465 else 1466 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n", 1467 TULIP_PRINTF_ARGS, phyaddr, data); 1468 sc->tulip_dbg.dbg_nway_starts++; 1469 #endif 1470 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1471 sc->tulip_probe_timeout = 3000; 1472 /* FALL THROUGH */ 1473 } 1474 case TULIP_PROBE_PHYAUTONEG: { 1475 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1476 u_int32_t data; 1477 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1478 if (sc->tulip_probe_timeout > 0) { 1479 tulip_timeout(sc); 1480 return; 1481 } 1482 #if defined(TULIP_DEBUG) 1483 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1484 TULIP_PRINTF_ARGS, phyaddr, status, 1485 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1486 #endif 1487 sc->tulip_flags &= ~TULIP_DIDNWAY; 1488 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1489 return; 1490 } 1491 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1492 #if defined(TULIP_DEBUG) 1493 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n", 1494 TULIP_PRINTF_ARGS, phyaddr, data); 1495 #endif 1496 data = (data << 6) & status; 1497 if (!tulip_mii_map_abilities(sc, data)) 1498 sc->tulip_flags &= ~TULIP_DIDNWAY; 1499 return; 1500 } 1501 default: { 1502 #if defined(DIAGNOSTIC) 1503 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1504 #endif 1505 break; 1506 } 1507 } 1508 #if defined(TULIP_DEBUG) 1509 loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1510 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1511 sc->tulip_dbg.dbg_nway_failures++; 1512 #endif 1513 } 1514 1515 static void 1516 tulip_2114x_media_preset( 1517 tulip_softc_t * const sc) 1518 { 1519 const tulip_media_info_t *mi = NULL; 1520 tulip_media_t media = sc->tulip_media; 1521 1522 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1523 media = sc->tulip_media; 1524 else 1525 media = sc->tulip_probe_media; 1526 1527 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT; 1528 sc->tulip_flags &= ~TULIP_SQETEST; 1529 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1530 #if defined(TULIP_DEBUG) 1531 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1532 #endif 1533 mi = sc->tulip_mediums[media]; 1534 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 1535 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1536 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1537 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1538 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1539 sc->tulip_cmdmode |= mi->mi_cmdmode; 1540 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 1541 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1542 } 1543 #if defined(TULIP_DEBUG) 1544 } else { 1545 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1546 TULIP_PRINTF_ARGS, media); 1547 } 1548 #endif 1549 } 1550 switch (media) { 1551 case TULIP_MEDIA_BNC: 1552 case TULIP_MEDIA_AUI: 1553 case TULIP_MEDIA_10BASET: { 1554 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 1555 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1556 sc->tulip_if.if_baudrate = 10000000; 1557 sc->tulip_flags |= TULIP_SQETEST; 1558 break; 1559 } 1560 case TULIP_MEDIA_10BASET_FD: { 1561 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL; 1562 sc->tulip_if.if_baudrate = 10000000; 1563 break; 1564 } 1565 case TULIP_MEDIA_100BASEFX: 1566 case TULIP_MEDIA_100BASET4: 1567 case TULIP_MEDIA_100BASETX: { 1568 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1569 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1570 sc->tulip_if.if_baudrate = 100000000; 1571 break; 1572 } 1573 case TULIP_MEDIA_100BASEFX_FD: 1574 case TULIP_MEDIA_100BASETX_FD: { 1575 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT; 1576 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL; 1577 sc->tulip_if.if_baudrate = 100000000; 1578 break; 1579 } 1580 default: { 1581 break; 1582 } 1583 } 1584 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1585 } 1586 1587 /* 1588 ******************************************************************** 1589 * Start of 21140/21140A support which does not use the MII interface 1590 */ 1591 1592 static void 1593 tulip_null_media_poll( 1594 tulip_softc_t * const sc, 1595 tulip_mediapoll_event_t event) 1596 { 1597 #if defined(TULIP_DEBUG) 1598 sc->tulip_dbg.dbg_events[event]++; 1599 #endif 1600 #if defined(DIAGNOSTIC) 1601 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1602 TULIP_PRINTF_ARGS, __LINE__); 1603 #endif 1604 } 1605 1606 __inline__ static void 1607 tulip_21140_mediainit( 1608 tulip_softc_t * const sc, 1609 tulip_media_info_t * const mip, 1610 tulip_media_t const media, 1611 unsigned gpdata, 1612 unsigned cmdmode) 1613 { 1614 sc->tulip_mediums[media] = mip; 1615 mip->mi_type = TULIP_MEDIAINFO_GPR; 1616 mip->mi_cmdmode = cmdmode; 1617 mip->mi_gpdata = gpdata; 1618 } 1619 1620 static void 1621 tulip_21140_evalboard_media_probe( 1622 tulip_softc_t * const sc) 1623 { 1624 tulip_media_info_t *mip = sc->tulip_mediainfo; 1625 1626 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1627 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1628 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1629 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1630 TULIP_CSR_WRITE(sc, csr_command, 1631 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1632 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1633 TULIP_CSR_WRITE(sc, csr_command, 1634 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1635 DELAY(1000000); 1636 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) { 1637 sc->tulip_media = TULIP_MEDIA_10BASET; 1638 } else { 1639 sc->tulip_media = TULIP_MEDIA_100BASETX; 1640 } 1641 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1642 TULIP_GP_EB_INIT, 1643 TULIP_CMD_TXTHRSHLDCTL); 1644 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1645 TULIP_GP_EB_INIT, 1646 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1647 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1648 TULIP_GP_EB_INIT, 1649 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1650 |TULIP_CMD_SCRAMBLER); 1651 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1652 TULIP_GP_EB_INIT, 1653 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1654 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1655 } 1656 1657 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1658 TULIP_21140_DEC_EB, 1659 tulip_21140_evalboard_media_probe, 1660 tulip_media_select, 1661 tulip_null_media_poll, 1662 tulip_2114x_media_preset, 1663 }; 1664 1665 static void 1666 tulip_21140_accton_media_probe( 1667 tulip_softc_t * const sc) 1668 { 1669 tulip_media_info_t *mip = sc->tulip_mediainfo; 1670 unsigned gpdata; 1671 1672 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1673 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1674 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1675 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1676 TULIP_CSR_WRITE(sc, csr_command, 1677 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1678 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1679 TULIP_CSR_WRITE(sc, csr_command, 1680 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1681 DELAY(1000000); 1682 gpdata = TULIP_CSR_READ(sc, csr_gp); 1683 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) { 1684 sc->tulip_media = TULIP_MEDIA_10BASET; 1685 } else { 1686 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) { 1687 sc->tulip_media = TULIP_MEDIA_BNC; 1688 } else { 1689 sc->tulip_media = TULIP_MEDIA_100BASETX; 1690 } 1691 } 1692 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1693 TULIP_GP_EN1207_BNC_INIT, 1694 TULIP_CMD_TXTHRSHLDCTL); 1695 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1696 TULIP_GP_EN1207_UTP_INIT, 1697 TULIP_CMD_TXTHRSHLDCTL); 1698 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1699 TULIP_GP_EN1207_UTP_INIT, 1700 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1701 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1702 TULIP_GP_EN1207_100_INIT, 1703 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1704 |TULIP_CMD_SCRAMBLER); 1705 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1706 TULIP_GP_EN1207_100_INIT, 1707 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1708 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1709 } 1710 1711 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1712 TULIP_21140_EN1207, 1713 tulip_21140_accton_media_probe, 1714 tulip_media_select, 1715 tulip_null_media_poll, 1716 tulip_2114x_media_preset, 1717 }; 1718 1719 static void 1720 tulip_21140_smc9332_media_probe( 1721 tulip_softc_t * const sc) 1722 { 1723 tulip_media_info_t *mip = sc->tulip_mediainfo; 1724 int idx, cnt = 0; 1725 1726 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1727 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1728 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1729 33MHz that comes to two microseconds but wait a 1730 bit longer anyways) */ 1731 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1732 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1733 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1734 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1735 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1736 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1737 DELAY(200000); 1738 for (idx = 1000; idx > 0; idx--) { 1739 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1740 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1741 if (++cnt > 100) 1742 break; 1743 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) { 1744 break; 1745 } else { 1746 cnt = 0; 1747 } 1748 DELAY(1000); 1749 } 1750 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1751 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1752 TULIP_GP_SMC_9332_INIT, 1753 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1754 |TULIP_CMD_SCRAMBLER); 1755 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1756 TULIP_GP_SMC_9332_INIT, 1757 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1758 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1759 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1760 TULIP_GP_SMC_9332_INIT, 1761 TULIP_CMD_TXTHRSHLDCTL); 1762 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1763 TULIP_GP_SMC_9332_INIT, 1764 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1765 } 1766 1767 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1768 TULIP_21140_SMC_9332, 1769 tulip_21140_smc9332_media_probe, 1770 tulip_media_select, 1771 tulip_null_media_poll, 1772 tulip_2114x_media_preset, 1773 }; 1774 1775 static void 1776 tulip_21140_cogent_em100_media_probe( 1777 tulip_softc_t * const sc) 1778 { 1779 tulip_media_info_t *mip = sc->tulip_mediainfo; 1780 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1781 1782 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1783 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1784 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1785 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1786 1787 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1788 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1789 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1790 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1791 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1792 1793 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1794 TULIP_GP_EM100_INIT, 1795 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1796 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1797 TULIP_GP_EM100_INIT, 1798 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1799 |TULIP_CMD_FULLDUPLEX); 1800 } else { 1801 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1802 sc->tulip_media = TULIP_MEDIA_100BASETX; 1803 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1804 TULIP_GP_EM100_INIT, 1805 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1806 |TULIP_CMD_SCRAMBLER); 1807 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1808 TULIP_GP_EM100_INIT, 1809 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1810 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1811 } 1812 } 1813 1814 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1815 TULIP_21140_COGENT_EM100, 1816 tulip_21140_cogent_em100_media_probe, 1817 tulip_media_select, 1818 tulip_null_media_poll, 1819 tulip_2114x_media_preset 1820 }; 1821 1822 static void 1823 tulip_21140_znyx_zx34x_media_probe( 1824 tulip_softc_t * const sc) 1825 { 1826 tulip_media_info_t *mip = sc->tulip_mediainfo; 1827 int cnt10 = 0, cnt100 = 0, idx; 1828 1829 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1830 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1831 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1832 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1833 TULIP_CSR_WRITE(sc, csr_command, 1834 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1835 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1836 TULIP_CSR_WRITE(sc, csr_command, 1837 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1838 1839 DELAY(200000); 1840 for (idx = 1000; idx > 0; idx--) { 1841 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1842 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)) { 1843 if (++cnt100 > 100) 1844 break; 1845 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1846 if (++cnt10 > 100) 1847 break; 1848 } else { 1849 cnt10 = 0; 1850 cnt100 = 0; 1851 } 1852 DELAY(1000); 1853 } 1854 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1855 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1856 TULIP_GP_ZX34X_INIT, 1857 TULIP_CMD_TXTHRSHLDCTL); 1858 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1859 TULIP_GP_ZX34X_INIT, 1860 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1861 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1862 TULIP_GP_ZX34X_INIT, 1863 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1864 |TULIP_CMD_SCRAMBLER); 1865 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1866 TULIP_GP_ZX34X_INIT, 1867 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1868 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1869 } 1870 1871 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1872 TULIP_21140_ZNYX_ZX34X, 1873 tulip_21140_znyx_zx34x_media_probe, 1874 tulip_media_select, 1875 tulip_null_media_poll, 1876 tulip_2114x_media_preset, 1877 }; 1878 1879 static void 1880 tulip_2114x_media_probe( 1881 tulip_softc_t * const sc) 1882 { 1883 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1884 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1885 } 1886 1887 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1888 TULIP_21140_ISV, 1889 tulip_2114x_media_probe, 1890 tulip_media_select, 1891 tulip_media_poll, 1892 tulip_2114x_media_preset, 1893 }; 1894 1895 /* 1896 * ******** END of chip-specific handlers. *********** 1897 */ 1898 1899 /* 1900 * Code the read the SROM and MII bit streams (I2C) 1901 */ 1902 static void 1903 tulip_delay_300ns( 1904 tulip_softc_t * const sc) 1905 { 1906 int idx; 1907 for (idx = (300 / 33) + 1; idx > 0; idx--) 1908 (void) TULIP_CSR_READ(sc, csr_busmode); 1909 } 1910 1911 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1912 1913 static void 1914 tulip_srom_idle( 1915 tulip_softc_t * const sc) 1916 { 1917 unsigned bit, csr; 1918 1919 csr = SROMSEL ; EMIT; 1920 csr = SROMSEL | SROMRD; EMIT; 1921 csr ^= SROMCS; EMIT; 1922 csr ^= SROMCLKON; EMIT; 1923 1924 /* 1925 * Write 25 cycles of 0 which will force the SROM to be idle. 1926 */ 1927 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1928 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1929 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1930 } 1931 csr ^= SROMCLKOFF; EMIT; 1932 csr ^= SROMCS; EMIT; 1933 csr = 0; EMIT; 1934 } 1935 1936 1937 static void 1938 tulip_srom_read( 1939 tulip_softc_t * const sc) 1940 { 1941 unsigned idx; 1942 const unsigned bitwidth = SROM_BITWIDTH; 1943 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1944 const unsigned msb = 1 << (bitwidth + 3 - 1); 1945 unsigned lastidx = (1 << bitwidth) - 1; 1946 1947 tulip_srom_idle(sc); 1948 1949 for (idx = 0; idx <= lastidx; idx++) { 1950 unsigned lastbit, data, bits, bit, csr; 1951 csr = SROMSEL ; EMIT; 1952 csr = SROMSEL | SROMRD; EMIT; 1953 csr ^= SROMCSON; EMIT; 1954 csr ^= SROMCLKON; EMIT; 1955 1956 lastbit = 0; 1957 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1958 const unsigned thisbit = bits & msb; 1959 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1960 if (thisbit != lastbit) { 1961 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1962 } else { 1963 EMIT; 1964 } 1965 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1966 lastbit = thisbit; 1967 } 1968 csr ^= SROMCLKOFF; EMIT; 1969 1970 for (data = 0, bits = 0; bits < 16; bits++) { 1971 data <<= 1; 1972 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1973 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1974 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1975 } 1976 sc->tulip_rombuf[idx*2] = data & 0xFF; 1977 sc->tulip_rombuf[idx*2+1] = data >> 8; 1978 csr = SROMSEL | SROMRD; EMIT; 1979 csr = 0; EMIT; 1980 } 1981 tulip_srom_idle(sc); 1982 } 1983 1984 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 1985 1986 static void 1987 tulip_mii_writebits( 1988 tulip_softc_t * const sc, 1989 unsigned data, 1990 unsigned bits) 1991 { 1992 unsigned msb = 1 << (bits - 1); 1993 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1994 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1995 1996 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1997 1998 for (; bits > 0; bits--, data <<= 1) { 1999 const unsigned thisbit = data & msb; 2000 if (thisbit != lastbit) { 2001 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 2002 } 2003 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2004 lastbit = thisbit; 2005 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2006 } 2007 } 2008 2009 static void 2010 tulip_mii_turnaround( 2011 tulip_softc_t * const sc, 2012 unsigned cmd) 2013 { 2014 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2015 2016 if (cmd == MII_WRCMD) { 2017 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 2018 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2019 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2020 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 2021 } else { 2022 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 2023 } 2024 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2025 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2026 } 2027 2028 static unsigned 2029 tulip_mii_readbits( 2030 tulip_softc_t * const sc) 2031 { 2032 unsigned data; 2033 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2034 int idx; 2035 2036 for (idx = 0, data = 0; idx < 16; idx++) { 2037 data <<= 1; /* this is NOOP on the first pass through */ 2038 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 2039 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 2040 data |= 1; 2041 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 2042 } 2043 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 2044 2045 return data; 2046 } 2047 2048 static unsigned 2049 tulip_mii_readreg( 2050 tulip_softc_t * const sc, 2051 unsigned devaddr, 2052 unsigned regno) 2053 { 2054 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2055 unsigned data; 2056 2057 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2058 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2059 tulip_mii_writebits(sc, MII_RDCMD, 8); 2060 tulip_mii_writebits(sc, devaddr, 5); 2061 tulip_mii_writebits(sc, regno, 5); 2062 tulip_mii_turnaround(sc, MII_RDCMD); 2063 2064 data = tulip_mii_readbits(sc); 2065 #if defined(TULIP_DEBUG) 2066 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 2067 sc->tulip_dbg.dbg_phyregs[regno][1]++; 2068 #endif 2069 return data; 2070 } 2071 2072 static void 2073 tulip_mii_writereg( 2074 tulip_softc_t * const sc, 2075 unsigned devaddr, 2076 unsigned regno, 2077 unsigned data) 2078 { 2079 unsigned csr; 2080 2081 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 2082 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 2083 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 2084 tulip_mii_writebits(sc, MII_WRCMD, 8); 2085 tulip_mii_writebits(sc, devaddr, 5); 2086 tulip_mii_writebits(sc, regno, 5); 2087 tulip_mii_turnaround(sc, MII_WRCMD); 2088 tulip_mii_writebits(sc, data, 16); 2089 #if defined(TULIP_DEBUG) 2090 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 2091 sc->tulip_dbg.dbg_phyregs[regno][3]++; 2092 #endif 2093 } 2094 2095 #define tulip_mchash(mca) (tulip_crc32(mca, 6) & 0x1FF) 2096 #define tulip_srom_crcok(databuf) ( \ 2097 ((tulip_crc32(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 2098 ((databuf)[126] | ((databuf)[127] << 8))) 2099 2100 static unsigned 2101 tulip_crc32( 2102 const unsigned char *databuf, 2103 size_t datalen) 2104 { 2105 u_int idx, crc = 0xFFFFFFFFUL; 2106 static const u_int crctab[] = { 2107 0x00000000, 0x1db71064, 0x3b6e20c8, 0x26d930ac, 2108 0x76dc4190, 0x6b6b51f4, 0x4db26158, 0x5005713c, 2109 0xedb88320, 0xf00f9344, 0xd6d6a3e8, 0xcb61b38c, 2110 0x9b64c2b0, 0x86d3d2d4, 0xa00ae278, 0xbdbdf21c 2111 }; 2112 2113 for (idx = 0; idx < datalen; idx++) { 2114 crc ^= *databuf++; 2115 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2116 crc = (crc >> 4) ^ crctab[crc & 0xf]; 2117 } 2118 2119 return crc; 2120 } 2121 2122 static void 2123 tulip_identify_dec_nic( 2124 tulip_softc_t * const sc) 2125 { 2126 strlcpy(sc->tulip_boardid, "DEC ", sizeof sc->tulip_boardid); 2127 #define D0 4 2128 if (sc->tulip_chipid <= TULIP_DE425) 2129 return; 2130 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 2131 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 2132 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 2133 sc->tulip_boardid[D0+8] = ' '; 2134 } 2135 #undef D0 2136 } 2137 2138 static void 2139 tulip_identify_znyx_nic( 2140 tulip_softc_t * const sc) 2141 { 2142 unsigned id = 0; 2143 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof sc->tulip_boardid); 2144 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2145 unsigned znyx_ptr; 2146 sc->tulip_boardid[8] = '4'; 2147 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 2148 if (znyx_ptr < 26 || znyx_ptr > 116) { 2149 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2150 return; 2151 } 2152 /* ZX344 = 0010 .. 0013FF 2153 */ 2154 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 2155 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 2156 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 2157 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 2158 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 2159 sc->tulip_boardid[9] = '2'; 2160 if (id == TULIP_ZNYX_ID_ZX342B) { 2161 sc->tulip_boardid[10] = 'B'; 2162 sc->tulip_boardid[11] = ' '; 2163 } 2164 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2165 } else if (id == TULIP_ZNYX_ID_ZX344) { 2166 sc->tulip_boardid[10] = '4'; 2167 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2168 } else if (id == TULIP_ZNYX_ID_ZX345) { 2169 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 2170 } else if (id == TULIP_ZNYX_ID_ZX346) { 2171 sc->tulip_boardid[9] = '6'; 2172 } else if (id == TULIP_ZNYX_ID_ZX351) { 2173 sc->tulip_boardid[8] = '5'; 2174 sc->tulip_boardid[9] = '1'; 2175 } 2176 } 2177 if (id == 0) { 2178 /* 2179 * Assume it's a ZX342... 2180 */ 2181 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 2182 } 2183 return; 2184 } 2185 sc->tulip_boardid[8] = '1'; 2186 if (sc->tulip_chipid == TULIP_21041) { 2187 sc->tulip_boardid[10] = '1'; 2188 return; 2189 } 2190 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 2191 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 2192 if (id == TULIP_ZNYX_ID_ZX312T) { 2193 sc->tulip_boardid[9] = '2'; 2194 sc->tulip_boardid[10] = 'T'; 2195 sc->tulip_boardid[11] = ' '; 2196 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2197 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 2198 sc->tulip_boardid[9] = '4'; 2199 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2200 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2201 } else if (id == TULIP_ZNYX_ID_ZX314) { 2202 sc->tulip_boardid[9] = '4'; 2203 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2204 sc->tulip_features |= TULIP_HAVE_BASEROM; 2205 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2206 sc->tulip_boardid[9] = '5'; 2207 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2208 } else if (id == TULIP_ZNYX_ID_ZX315) { 2209 sc->tulip_boardid[9] = '5'; 2210 sc->tulip_features |= TULIP_HAVE_BASEROM; 2211 } else { 2212 id = 0; 2213 } 2214 } 2215 if (id == 0) { 2216 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 2217 sc->tulip_boardid[9] = '4'; 2218 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2219 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2220 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2221 sc->tulip_boardid[9] = '5'; 2222 sc->tulip_boardsw = &tulip_21040_boardsw; 2223 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2224 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2225 sc->tulip_boardid[9] = '2'; 2226 sc->tulip_boardsw = &tulip_21040_boardsw; 2227 } 2228 } 2229 } 2230 2231 static void 2232 tulip_identify_smc_nic( 2233 tulip_softc_t * const sc) 2234 { 2235 u_int32_t id1, id2, ei; 2236 int auibnc = 0, utp = 0; 2237 char *cp; 2238 2239 strlcpy(sc->tulip_boardid, "SMC ", sizeof sc->tulip_boardid); 2240 if (sc->tulip_chipid == TULIP_21041) 2241 return; 2242 if (sc->tulip_chipid != TULIP_21040) { 2243 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2244 strlcat(sc->tulip_boardid, "9332DST ", sizeof sc->tulip_boardid); 2245 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2246 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) { 2247 strlcat(sc->tulip_boardid, "9334BDT ", sizeof sc->tulip_boardid); 2248 } else { 2249 strlcat(sc->tulip_boardid, "9332BDT ", sizeof sc->tulip_boardid); 2250 } 2251 return; 2252 } 2253 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2254 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2255 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2256 2257 strlcat(sc->tulip_boardid, "8432", sizeof sc->tulip_boardid); 2258 cp = &sc->tulip_boardid[8]; 2259 if ((id1 & 1) == 0) 2260 *cp++ = 'B', auibnc = 1; 2261 if ((id1 & 0xFF) > 0x32) 2262 *cp++ = 'T', utp = 1; 2263 if ((id1 & 0x4000) == 0) 2264 *cp++ = 'A', auibnc = 1; 2265 if (id2 == 0x15) { 2266 sc->tulip_boardid[7] = '4'; 2267 *cp++ = '-'; 2268 *cp++ = 'C'; 2269 *cp++ = 'H'; 2270 *cp++ = (ei ? '2' : '1'); 2271 } 2272 *cp++ = ' '; 2273 *cp = '\0'; 2274 if (utp && !auibnc) 2275 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2276 else if (!utp && auibnc) 2277 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2278 } 2279 2280 static void 2281 tulip_identify_cogent_nic( 2282 tulip_softc_t * const sc) 2283 { 2284 strlcpy(sc->tulip_boardid, "Cogent ", sizeof sc->tulip_boardid); 2285 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2286 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2287 strlcat(sc->tulip_boardid, "EM100TX ", sizeof sc->tulip_boardid); 2288 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2289 #if defined(TULIP_COGENT_EM110TX_ID) 2290 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2291 strlcat(sc->tulip_boardid, "EM110TX ", sizeof sc->tulip_boardid); 2292 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2293 #endif 2294 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2295 strlcat(sc->tulip_boardid, "EM100FX ", sizeof sc->tulip_boardid); 2296 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2297 } 2298 /* 2299 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2300 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2301 */ 2302 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2303 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2304 /* 2305 * Cogent (Adaptec) is still mapping all INTs to INTA of 2306 * first 21140. Dumb! Dumb! 2307 */ 2308 strlcat(sc->tulip_boardid, "EM440TX ", sizeof sc->tulip_boardid); 2309 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2310 } 2311 } else if (sc->tulip_chipid == TULIP_21040) { 2312 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2313 } 2314 } 2315 2316 static void 2317 tulip_identify_accton_nic( 2318 tulip_softc_t * const sc) 2319 { 2320 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof sc->tulip_boardid); 2321 switch (sc->tulip_chipid) { 2322 case TULIP_21140A: 2323 strlcat(sc->tulip_boardid, "EN1207 ", sizeof sc->tulip_boardid); 2324 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2325 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2326 break; 2327 case TULIP_21140: 2328 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof sc->tulip_boardid); 2329 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2330 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2331 break; 2332 case TULIP_21040: 2333 strlcat(sc->tulip_boardid, "EN1203 ", sizeof sc->tulip_boardid); 2334 sc->tulip_boardsw = &tulip_21040_boardsw; 2335 break; 2336 case TULIP_21041: 2337 strlcat(sc->tulip_boardid, "EN1203 ", sizeof sc->tulip_boardid); 2338 sc->tulip_boardsw = &tulip_21041_boardsw; 2339 break; 2340 default: 2341 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2342 break; 2343 } 2344 } 2345 2346 static void 2347 tulip_identify_asante_nic( 2348 tulip_softc_t * const sc) 2349 { 2350 strlcpy(sc->tulip_boardid, "Asante ", sizeof sc->tulip_boardid); 2351 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2352 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2353 tulip_media_info_t *mi = sc->tulip_mediainfo; 2354 int idx; 2355 /* 2356 * The Asante Fast Ethernet doesn't always ship with a valid 2357 * new format SROM. So if isn't in the new format, we cheat 2358 * set it up as if we had. 2359 */ 2360 2361 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2362 sc->tulip_gpdata = 0; 2363 2364 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2365 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2366 DELAY(100); 2367 TULIP_CSR_WRITE(sc, csr_gp, 0); 2368 2369 mi->mi_type = TULIP_MEDIAINFO_MII; 2370 mi->mi_gpr_length = 0; 2371 mi->mi_gpr_offset = 0; 2372 mi->mi_reset_length = 0; 2373 mi->mi_reset_offset = 0;; 2374 2375 mi->mi_phyaddr = TULIP_MII_NOPHY; 2376 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2377 DELAY(10000); 2378 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2379 } 2380 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2381 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2382 return; 2383 } 2384 2385 sc->tulip_features |= TULIP_HAVE_MII; 2386 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2387 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2388 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2389 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2390 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2391 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2392 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2393 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2394 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2395 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2396 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2397 2398 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2399 } 2400 } 2401 2402 static int 2403 tulip_srom_decode( 2404 tulip_softc_t * const sc) 2405 { 2406 unsigned idx1, idx2, idx3; 2407 2408 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2409 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2410 tulip_srom_media_t srom_media; 2411 tulip_media_info_t *mi = sc->tulip_mediainfo; 2412 const u_int8_t *dp; 2413 u_int32_t leaf_offset, blocks, data; 2414 2415 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2416 if (shp->sh_adapter_count == 1) 2417 break; 2418 if (saip->sai_device == sc->tulip_pci_devno) 2419 break; 2420 } 2421 /* 2422 * Didn't find the right media block for this card. 2423 */ 2424 if (idx1 == shp->sh_adapter_count) 2425 return 0; 2426 2427 /* 2428 * Save the hardware address. 2429 */ 2430 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6); 2431 /* 2432 * If this is a multiple port card, add the adapter index to the last 2433 * byte of the hardware address. (if it isn't multiport, adding 0 2434 * won't hurt. 2435 */ 2436 sc->tulip_enaddr[5] += idx1; 2437 2438 leaf_offset = saip->sai_leaf_offset_lowbyte 2439 + saip->sai_leaf_offset_highbyte * 256; 2440 dp = sc->tulip_rombuf + leaf_offset; 2441 2442 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2443 2444 for (idx2 = 0;; idx2++) { 2445 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2446 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2447 break; 2448 } 2449 sc->tulip_connidx = idx2; 2450 2451 if (sc->tulip_chipid == TULIP_21041) { 2452 blocks = *dp++; 2453 for (idx2 = 0; idx2 < blocks; idx2++) { 2454 tulip_media_t media; 2455 data = *dp++; 2456 srom_media = (tulip_srom_media_t) (data & 0x3F); 2457 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2458 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2459 break; 2460 } 2461 media = tulip_srom_mediums[idx3].sm_type; 2462 if (media != TULIP_MEDIA_UNKNOWN) { 2463 if (data & TULIP_SROM_21041_EXTENDED) { 2464 mi->mi_type = TULIP_MEDIAINFO_SIA; 2465 sc->tulip_mediums[media] = mi; 2466 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2467 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2468 mi->mi_sia_general = dp[4] + dp[5] * 256; 2469 mi++; 2470 } else { 2471 switch (media) { 2472 case TULIP_MEDIA_BNC: { 2473 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2474 mi++; 2475 break; 2476 } 2477 case TULIP_MEDIA_AUI: { 2478 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2479 mi++; 2480 break; 2481 } 2482 case TULIP_MEDIA_10BASET: { 2483 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2484 mi++; 2485 break; 2486 } 2487 case TULIP_MEDIA_10BASET_FD: { 2488 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2489 mi++; 2490 break; 2491 } 2492 default: { 2493 break; 2494 } 2495 } 2496 } 2497 } 2498 if (data & TULIP_SROM_21041_EXTENDED) 2499 dp += 6; 2500 } 2501 #ifdef notdef 2502 if (blocks == 0) { 2503 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++; 2504 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++; 2505 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++; 2506 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++; 2507 } 2508 #endif 2509 } else { 2510 unsigned length, type; 2511 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2512 if (sc->tulip_features & TULIP_HAVE_GPR) 2513 sc->tulip_gpinit = *dp++; 2514 blocks = *dp++; 2515 for (idx2 = 0; idx2 < blocks; idx2++) { 2516 const u_int8_t *ep; 2517 if ((*dp & 0x80) == 0) { 2518 length = 4; 2519 type = 0; 2520 } else { 2521 length = (*dp++ & 0x7f) - 1; 2522 type = *dp++ & 0x3f; 2523 } 2524 ep = dp + length; 2525 switch (type & 0x3f) { 2526 case 0: { /* 21140[A] GPR block */ 2527 tulip_media_t media; 2528 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2529 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2530 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2531 break; 2532 } 2533 media = tulip_srom_mediums[idx3].sm_type; 2534 if (media == TULIP_MEDIA_UNKNOWN) 2535 break; 2536 mi->mi_type = TULIP_MEDIAINFO_GPR; 2537 sc->tulip_mediums[media] = mi; 2538 mi->mi_gpdata = dp[1]; 2539 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2540 sc->tulip_gpdata = mi->mi_gpdata; 2541 gp_media = media; 2542 } 2543 data = dp[2] + dp[3] * 256; 2544 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2545 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2546 mi->mi_actmask = 0; 2547 } else { 2548 #if 0 2549 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2550 #endif 2551 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2552 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2553 } 2554 mi++; 2555 break; 2556 } 2557 case 1: { /* 21140[A] MII block */ 2558 const unsigned phyno = *dp++; 2559 mi->mi_type = TULIP_MEDIAINFO_MII; 2560 mi->mi_gpr_length = *dp++; 2561 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2562 dp += mi->mi_gpr_length; 2563 mi->mi_reset_length = *dp++; 2564 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2565 dp += mi->mi_reset_length; 2566 2567 /* 2568 * Before we probe for a PHY, use the GPR information 2569 * to select it. If we don't, it may be inaccessible. 2570 */ 2571 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2572 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2573 DELAY(10); 2574 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2575 } 2576 sc->tulip_phyaddr = mi->mi_phyaddr; 2577 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2578 DELAY(10); 2579 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2580 } 2581 2582 /* 2583 * At least write something! 2584 */ 2585 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2586 TULIP_CSR_WRITE(sc, csr_gp, 0); 2587 2588 mi->mi_phyaddr = TULIP_MII_NOPHY; 2589 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2590 DELAY(10000); 2591 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2592 } 2593 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2594 #if defined(TULIP_DEBUG) 2595 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2596 TULIP_PRINTF_ARGS, phyno); 2597 #endif 2598 break; 2599 } 2600 sc->tulip_features |= TULIP_HAVE_MII; 2601 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2602 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2603 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2604 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2605 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2606 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2607 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2608 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2609 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2610 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2611 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2612 mi++; 2613 break; 2614 } 2615 case 2: { /* 2114[23] SIA block */ 2616 tulip_media_t media; 2617 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2618 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2619 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2620 break; 2621 } 2622 media = tulip_srom_mediums[idx3].sm_type; 2623 if (media == TULIP_MEDIA_UNKNOWN) 2624 break; 2625 mi->mi_type = TULIP_MEDIAINFO_SIA; 2626 sc->tulip_mediums[media] = mi; 2627 if (dp[0] & 0x40) { 2628 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2629 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2630 mi->mi_sia_general = dp[5] + dp[6] * 256; 2631 dp += 6; 2632 } else { 2633 switch (media) { 2634 case TULIP_MEDIA_BNC: { 2635 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2636 break; 2637 } 2638 case TULIP_MEDIA_AUI: { 2639 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2640 break; 2641 } 2642 case TULIP_MEDIA_10BASET: { 2643 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2644 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2645 break; 2646 } 2647 case TULIP_MEDIA_10BASET_FD: { 2648 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2649 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2650 break; 2651 } 2652 default: { 2653 goto bad_media; 2654 } 2655 } 2656 } 2657 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2658 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2659 mi++; 2660 bad_media: 2661 break; 2662 } 2663 case 3: { /* 2114[23] MII PHY block */ 2664 const unsigned phyno = *dp++; 2665 const u_int8_t *dp0; 2666 mi->mi_type = TULIP_MEDIAINFO_MII; 2667 mi->mi_gpr_length = *dp++; 2668 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2669 dp += 2 * mi->mi_gpr_length; 2670 mi->mi_reset_length = *dp++; 2671 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2672 dp += 2 * mi->mi_reset_length; 2673 2674 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2675 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2676 DELAY(10); 2677 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2678 } 2679 sc->tulip_phyaddr = mi->mi_phyaddr; 2680 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2681 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2682 DELAY(10); 2683 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2684 } 2685 2686 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2687 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2688 2689 mi->mi_phyaddr = TULIP_MII_NOPHY; 2690 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2691 DELAY(10000); 2692 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2693 } 2694 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2695 #if defined(TULIP_DEBUG) 2696 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2697 TULIP_PRINTF_ARGS, phyno); 2698 #endif 2699 break; 2700 } 2701 sc->tulip_features |= TULIP_HAVE_MII; 2702 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2703 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2704 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2705 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2706 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2707 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2708 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2709 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2710 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2711 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2712 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2713 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2714 mi++; 2715 break; 2716 } 2717 case 4: { /* 21143 SYM block */ 2718 tulip_media_t media; 2719 srom_media = (tulip_srom_media_t) dp[0]; 2720 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2721 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2722 break; 2723 } 2724 media = tulip_srom_mediums[idx3].sm_type; 2725 if (media == TULIP_MEDIA_UNKNOWN) 2726 break; 2727 mi->mi_type = TULIP_MEDIAINFO_SYM; 2728 sc->tulip_mediums[media] = mi; 2729 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2730 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2731 data = dp[5] + dp[6] * 256; 2732 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2733 if (data & TULIP_SROM_2114X_NOINDICATOR) { 2734 mi->mi_actmask = 0; 2735 } else { 2736 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2737 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2738 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2739 } 2740 if (TULIP_IS_MEDIA_TP(media)) 2741 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2742 mi++; 2743 break; 2744 } 2745 #if 0 2746 case 5: { /* 21143 Reset block */ 2747 mi->mi_type = TULIP_MEDIAINFO_RESET; 2748 mi->mi_reset_length = *dp++; 2749 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2750 dp += 2 * mi->mi_reset_length; 2751 mi++; 2752 break; 2753 } 2754 #endif 2755 default: { 2756 } 2757 } 2758 dp = ep; 2759 } 2760 } 2761 return mi - sc->tulip_mediainfo; 2762 } 2763 2764 static const struct { 2765 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2766 unsigned char vendor_oui[3]; 2767 } tulip_vendors[] = { 2768 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2769 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2770 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2771 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2772 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2773 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2774 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2775 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2776 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2777 { NULL } 2778 }; 2779 2780 /* 2781 * This deals with the vagaries of the address roms and the 2782 * brain-deadness that various vendors commit in using them. 2783 */ 2784 static int 2785 tulip_read_macaddr( 2786 tulip_softc_t * const sc) 2787 { 2788 unsigned cksum, rom_cksum, idx; 2789 u_int32_t csr; 2790 unsigned char tmpbuf[8]; 2791 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2792 2793 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2794 2795 if (sc->tulip_chipid == TULIP_21040) { 2796 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2797 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2798 int cnt = 0; 2799 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2800 cnt++; 2801 sc->tulip_rombuf[idx] = csr & 0xFF; 2802 } 2803 sc->tulip_boardsw = &tulip_21040_boardsw; 2804 #if defined(TULIP_EISA) 2805 } else if (sc->tulip_chipid == TULIP_DE425) { 2806 int cnt; 2807 for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) { 2808 tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2809 if (tmpbuf[idx] == testpat[idx]) 2810 ++idx; 2811 else 2812 idx = 0; 2813 } 2814 for (idx = 0; idx < 32; idx++) 2815 sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom); 2816 sc->tulip_boardsw = &tulip_21040_boardsw; 2817 #endif /* TULIP_EISA */ 2818 } else { 2819 if (sc->tulip_chipid == TULIP_21041) { 2820 /* 2821 * Thankfully all 21041's act the same. 2822 */ 2823 sc->tulip_boardsw = &tulip_21041_boardsw; 2824 } else { 2825 /* 2826 * Assume all 21140 board are compatible with the 2827 * DEC 10/100 evaluation board. Not really valid but 2828 * it's the best we can do until every one switches to 2829 * the new SROM format. 2830 */ 2831 2832 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2833 } 2834 #ifdef NEED_PCI_ETHER_HW_ADDR_FUNC 2835 if(pci_ether_hw_addr(sc->tulip_pc, (u_char *)(&sc->tulip_rombuf), 2836 sc->tulip_pci_busno, sc->tulip_pci_devno)) { 2837 if(sc->tulip_boardsw == &tulip_21041_boardsw) 2838 sc->tulip_boardsw = &tulip_21041np_boardsw; 2839 } 2840 else { 2841 tulip_srom_read(sc); 2842 } 2843 #else 2844 tulip_srom_read(sc); 2845 #endif 2846 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2847 /* 2848 * SROM CRC is valid therefore it must be in the 2849 * new format. 2850 */ 2851 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2852 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2853 /* 2854 * No checksum is present. See if the SROM id checks out; 2855 * the first 18 bytes should be 0 followed by a 1 followed 2856 * by the number of adapters (which we don't deal with yet). 2857 */ 2858 for (idx = 0; idx < 18; idx++) { 2859 if (sc->tulip_rombuf[idx] != 0) 2860 break; 2861 } 2862 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2863 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2864 } else if (sc->tulip_chipid >= TULIP_21142) { 2865 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2866 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2867 } 2868 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2869 if (sc->tulip_chipid != TULIP_21041) 2870 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2871 2872 /* 2873 * If the SROM specifies more than one adapter, tag this as a 2874 * BASE rom. 2875 */ 2876 if (sc->tulip_rombuf[19] > 1) 2877 sc->tulip_features |= TULIP_HAVE_BASEROM; 2878 if (sc->tulip_boardsw == NULL) 2879 return -6; 2880 goto check_oui; 2881 } 2882 } 2883 2884 2885 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2886 /* 2887 * Some folks don't use the standard ethernet rom format 2888 * but instead just put the address in the first 6 bytes 2889 * of the rom and let the rest be all 0xffs. (Can we say 2890 * ZNYX???) (well sometimes they put in a checksum so we'll 2891 * start at 8). 2892 */ 2893 for (idx = 8; idx < 32; idx++) { 2894 if (sc->tulip_rombuf[idx] != 0xFF) 2895 return -4; 2896 } 2897 /* 2898 * Make sure the address is not multicast or locally assigned 2899 * that the OUI is not 00-00-00. 2900 */ 2901 if ((sc->tulip_rombuf[0] & 3) != 0) 2902 return -4; 2903 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2904 && sc->tulip_rombuf[2] == 0) 2905 return -4; 2906 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2907 sc->tulip_features |= TULIP_HAVE_OKROM; 2908 goto check_oui; 2909 } else { 2910 /* 2911 * A number of makers of multiport boards (ZNYX and Cogent) 2912 * only put on one address ROM on their 21040 boards. So 2913 * if the ROM is all zeros (or all 0xFFs), look at the 2914 * previous configured boards (as long as they are on the same 2915 * PCI bus and the bus number is non-zero) until we find the 2916 * master board with address ROM. We then use its address ROM 2917 * as the base for this board. (we add our relative board 2918 * to the last byte of its address). 2919 */ 2920 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2921 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2922 break; 2923 } 2924 if (idx == sizeof(sc->tulip_rombuf)) { 2925 int root_unit; 2926 tulip_softc_t *root_sc = NULL; 2927 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2928 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2929 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2930 break; 2931 root_sc = NULL; 2932 } 2933 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2934 && root_sc->tulip_chipid == sc->tulip_chipid 2935 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2936 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2937 sc->tulip_boardsw = root_sc->tulip_boardsw; 2938 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2939 sizeof sc->tulip_boardid); 2940 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2941 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2942 sizeof(sc->tulip_rombuf)); 2943 if (!tulip_srom_decode(sc)) 2944 return -5; 2945 } else { 2946 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6); 2947 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2948 } 2949 /* 2950 * Now for a truly disgusting kludge: all 4 21040s on 2951 * the ZX314 share the same INTA line so the mapping 2952 * setup by the BIOS on the PCI bridge is worthless. 2953 * Rather than reprogramming the value in the config 2954 * register, we will handle this internally. 2955 */ 2956 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2957 sc->tulip_slaves = root_sc->tulip_slaves; 2958 root_sc->tulip_slaves = sc; 2959 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2960 } 2961 return 0; 2962 } 2963 } 2964 } 2965 2966 /* 2967 * This is the standard DEC address ROM test. 2968 */ 2969 2970 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2971 return -3; 2972 2973 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2974 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2975 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2976 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2977 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2978 return -2; 2979 2980 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6); 2981 2982 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2983 cksum *= 2; 2984 if (cksum > 65535) cksum -= 65535; 2985 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2986 if (cksum > 65535) cksum -= 65535; 2987 cksum *= 2; 2988 if (cksum > 65535) cksum -= 65535; 2989 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2990 if (cksum >= 65535) cksum -= 65535; 2991 2992 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2993 2994 if (cksum != rom_cksum) 2995 return -1; 2996 2997 check_oui: 2998 /* 2999 * Check for various boards based on OUI. Did I say braindead? 3000 */ 3001 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 3002 if (bcmp((caddr_t) sc->tulip_enaddr, 3003 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 3004 (*tulip_vendors[idx].vendor_identify_nic)(sc); 3005 break; 3006 } 3007 } 3008 3009 sc->tulip_features |= TULIP_HAVE_OKROM; 3010 return 0; 3011 } 3012 3013 #if defined(IFM_ETHER) 3014 static void 3015 tulip_ifmedia_add( 3016 tulip_softc_t * const sc) 3017 { 3018 tulip_media_t media; 3019 int medias = 0; 3020 3021 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3022 if (sc->tulip_mediums[media] != NULL) { 3023 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 3024 0, 0); 3025 medias++; 3026 } 3027 } 3028 if (medias == 0) { 3029 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 3030 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 3031 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 3032 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 3033 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 3034 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 3035 } else { 3036 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 3037 sc->tulip_flags |= TULIP_PRINTMEDIA; 3038 tulip_linkup(sc, sc->tulip_media); 3039 } 3040 } 3041 3042 static int 3043 tulip_ifmedia_change( 3044 struct ifnet * const ifp) 3045 { 3046 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 3047 3048 sc->tulip_flags |= TULIP_NEEDRESET; 3049 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 3050 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 3051 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 3052 tulip_media_t media; 3053 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 3054 if (sc->tulip_mediums[media] != NULL 3055 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 3056 sc->tulip_flags |= TULIP_PRINTMEDIA; 3057 sc->tulip_flags &= ~TULIP_DIDNWAY; 3058 tulip_linkup(sc, media); 3059 return 0; 3060 } 3061 } 3062 } 3063 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 3064 tulip_reset(sc); 3065 tulip_init(sc); 3066 return 0; 3067 } 3068 3069 /* 3070 * Media status callback 3071 */ 3072 static void 3073 tulip_ifmedia_status( 3074 struct ifnet * const ifp, 3075 struct ifmediareq *req) 3076 { 3077 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 3078 3079 #if defined(__bsdi__) 3080 if (sc->tulip_mii.mii_instance != 0) { 3081 mii_pollstat(&sc->tulip_mii); 3082 req->ifm_active = sc->tulip_mii.mii_media_active; 3083 req->ifm_status = sc->tulip_mii.mii_media_status; 3084 return; 3085 } 3086 #endif 3087 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 3088 return; 3089 3090 req->ifm_status = IFM_AVALID; 3091 if (sc->tulip_flags & TULIP_LINKUP) 3092 req->ifm_status |= IFM_ACTIVE; 3093 3094 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 3095 } 3096 #endif 3097 3098 static void 3099 tulip_addr_filter( 3100 tulip_softc_t * const sc) 3101 { 3102 struct ether_multistep step; 3103 struct ether_multi *enm; 3104 3105 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 3106 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 3107 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3108 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3109 #if defined(IFF_ALLMULTI) 3110 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 3111 #endif 3112 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 3113 if (sc->tulip_multicnt > 14) { 3114 u_int32_t *sp = sc->tulip_setupdata; 3115 unsigned hash; 3116 /* 3117 * Some early passes of the 21140 have broken implementations of 3118 * hash-perfect mode. When we get too many multicasts for perfect 3119 * filtering with these chips, we need to switch into hash-only 3120 * mode (this is better than all-multicast on network with lots 3121 * of multicast traffic). 3122 */ 3123 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 3124 sc->tulip_flags |= TULIP_WANTHASHONLY; 3125 else 3126 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 3127 /* 3128 * If we have more than 14 multicasts, we have 3129 * go into hash perfect mode (512 bit multicast 3130 * hash and one perfect hardware). 3131 */ 3132 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 3133 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3134 while (enm != NULL) { 3135 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3136 hash = tulip_mchash(enm->enm_addrlo); 3137 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3138 } else { 3139 sc->tulip_flags |= TULIP_ALLMULTI; 3140 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 3141 break; 3142 } 3143 ETHER_NEXT_MULTI(step, enm); 3144 } 3145 /* 3146 * No reason to use a hash if we are going to be 3147 * receiving every multicast. 3148 */ 3149 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3150 hash = tulip_mchash(etherbroadcastaddr); 3151 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3152 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 3153 hash = tulip_mchash(sc->tulip_enaddr); 3154 sp[hash >> 4] |= FILT_BO(1 << (hash & 0xF)); 3155 } else { 3156 sp[39] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[0]); 3157 sp[40] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[1]); 3158 sp[41] = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[2]); 3159 } 3160 } 3161 } 3162 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 3163 u_int32_t *sp = sc->tulip_setupdata; 3164 int idx = 0; 3165 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 3166 /* 3167 * Else can get perfect filtering for 16 addresses. 3168 */ 3169 ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm); 3170 for (; enm != NULL; idx++) { 3171 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 3172 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[0]); 3173 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[1]); 3174 *sp++ = FILT_BO(((u_int16_t *) enm->enm_addrlo)[2]); 3175 } else { 3176 sc->tulip_flags |= TULIP_ALLMULTI; 3177 break; 3178 } 3179 ETHER_NEXT_MULTI(step, enm); 3180 } 3181 /* 3182 * Add the broadcast address. 3183 */ 3184 idx++; 3185 *sp++ = FILT_BO(0xFFFF); 3186 *sp++ = FILT_BO(0xFFFF); 3187 *sp++ = FILT_BO(0xFFFF); 3188 } 3189 /* 3190 * Pad the rest with our hardware address 3191 */ 3192 for (; idx < 16; idx++) { 3193 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[0]); 3194 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[1]); 3195 *sp++ = FILT_BO(((u_int16_t *) sc->tulip_enaddr)[2]); 3196 } 3197 } 3198 #if defined(IFF_ALLMULTI) 3199 if (sc->tulip_flags & TULIP_ALLMULTI) 3200 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3201 #endif 3202 } 3203 3204 static void 3205 tulip_reset( 3206 tulip_softc_t * const sc) 3207 { 3208 tulip_ringinfo_t *ri; 3209 tulip_desc_t *di; 3210 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3211 3212 #if defined(TULIP_DEBUG) 3213 printf ("de0: resetting...\n"); 3214 #endif 3215 3216 /* 3217 * Brilliant. Simply brilliant. When switching modes/speeds 3218 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3219 * bits in CSR6 and then do a software reset to get the 21140 3220 * to properly reset its internal pathways to the right places. 3221 * Grrrr. 3222 */ 3223 if (sc->tulip_boardsw->bd_media_preset != NULL) 3224 (*sc->tulip_boardsw->bd_media_preset)(sc); 3225 3226 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3227 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3228 33MHz that comes to two microseconds but wait a 3229 bit longer anyways) */ 3230 3231 if (!inreset) { 3232 sc->tulip_flags |= TULIP_INRESET; 3233 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3234 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3235 sc->tulip_if.if_start = tulip_ifstart; 3236 } 3237 3238 TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0])); 3239 TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0])); 3240 #ifdef powerpc 3241 TULIP_CSR_WRITE(sc, csr_busmode, 3242 (4 << 2) /* Descriptor skip length */ 3243 |TULIP_BUSMODE_CACHE_ALIGN8 3244 |TULIP_BUSMODE_READMULTIPLE 3245 /* 3246 |(BYTE_ORDER != LITTLE_ENDIAN ? (TULIP_BUSMODE_DESC_BIGENDIAN) : 0) 3247 */ 3248 ); 3249 #else 3250 TULIP_CSR_WRITE(sc, csr_busmode, 3251 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3252 |TULIP_BUSMODE_CACHE_ALIGN8 3253 |TULIP_BUSMODE_READMULTIPLE 3254 |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3255 #endif 3256 3257 sc->tulip_txtimer = 0; 3258 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3259 /* 3260 * Free all the mbufs that were on the transmit ring. 3261 */ 3262 for (;;) { 3263 struct mbuf *m; 3264 IF_DEQUEUE(&sc->tulip_txq, m); 3265 if (m == NULL) 3266 break; 3267 m_freem(m); 3268 } 3269 3270 ri = &sc->tulip_txinfo; 3271 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3272 ri->ri_free = ri->ri_max; 3273 for (di = ri->ri_first; di < ri->ri_last; di++) 3274 di->d_status = 0; /* no swabbing necessary -dsr */ 3275 3276 /* 3277 * We need to collect all the mbufs were on the 3278 * receive ring before we reinit it either to put 3279 * them back on or to know if we have to allocate 3280 * more. 3281 */ 3282 ri = &sc->tulip_rxinfo; 3283 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3284 ri->ri_free = ri->ri_max; 3285 for (di = ri->ri_first; di < ri->ri_last; di++) { 3286 di->d_status = 0; /* no swabbing necessary -dsr */ 3287 { 3288 tulip_desc_bitfield_t u; 3289 3290 u.f = DESC_BO(di->u.f); /* copy the bitfields */ 3291 u.bd_length1 = 0; 3292 u.bd_length2 = 0; 3293 di->u.f = DESC_BO(u.f); 3294 } 3295 di->d_addr1 = 0; /* no swabbing necessary -dsr */ 3296 di->d_addr2 = 0; /* no swabbing necessary -dsr */ 3297 } 3298 for (;;) { 3299 struct mbuf *m; 3300 IF_DEQUEUE(&sc->tulip_rxq, m); 3301 if (m == NULL) 3302 break; 3303 m_freem(m); 3304 } 3305 3306 /* 3307 * If tulip_reset is being called recurisvely, exit quickly knowing 3308 * that when the outer tulip_reset returns all the right stuff will 3309 * have happened. 3310 */ 3311 if (inreset) 3312 return; 3313 3314 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3315 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3316 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3317 |TULIP_STS_RXSTOPPED; 3318 3319 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3320 (*sc->tulip_boardsw->bd_media_select)(sc); 3321 #if defined(TULIP_DEBUG) 3322 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3323 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3324 TULIP_PRINTF_ARGS); 3325 #endif 3326 tulip_media_print(sc); 3327 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3328 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3329 3330 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3331 |TULIP_RXACT); 3332 tulip_addr_filter(sc); 3333 } 3334 3335 static void 3336 tulip_init( 3337 tulip_softc_t * const sc) 3338 { 3339 if (sc->tulip_if.if_flags & IFF_UP) { 3340 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3341 /* initialize the media */ 3342 tulip_reset(sc); 3343 } 3344 sc->tulip_if.if_flags |= IFF_RUNNING; 3345 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3346 sc->tulip_flags |= TULIP_PROMISC; 3347 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3348 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3349 } else { 3350 sc->tulip_flags &= ~TULIP_PROMISC; 3351 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3352 if (sc->tulip_flags & TULIP_ALLMULTI) { 3353 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3354 } else { 3355 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3356 } 3357 } 3358 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3359 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3360 tulip_rx_intr(sc); 3361 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3362 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3363 } else { 3364 sc->tulip_if.if_flags |= IFF_OACTIVE; 3365 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3366 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3367 } 3368 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3369 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3370 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3371 tulip_txput_setup(sc); 3372 } else { 3373 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3374 tulip_reset(sc); 3375 } 3376 } 3377 3378 static void 3379 tulip_rx_intr( 3380 tulip_softc_t * const sc) 3381 { 3382 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3383 struct ifnet * const ifp = &sc->tulip_if; 3384 int fillok = 1; 3385 #if defined(TULIP_DEBUG) 3386 int cnt = 0; 3387 #endif 3388 3389 for (;;) { 3390 struct ether_header eh; 3391 tulip_desc_t *eop = ri->ri_nextin; 3392 int total_len = 0, last_offset = 0; 3393 struct mbuf *ms = NULL, *me = NULL; 3394 int accept = 0; 3395 3396 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3397 goto queue_mbuf; 3398 3399 #if defined(TULIP_DEBUG) 3400 if (cnt == ri->ri_max) 3401 break; 3402 #endif 3403 /* 3404 * If the TULIP has no descriptors, there can't be any receive 3405 * descriptors to process. 3406 */ 3407 if (eop == ri->ri_nextout) 3408 break; 3409 3410 /* 3411 * 90% of the packets will fit in one descriptor. So we optimize 3412 * for that case. 3413 */ 3414 if ((DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3415 IF_DEQUEUE(&sc->tulip_rxq, ms); 3416 me = ms; 3417 } else { 3418 /* 3419 * If still owned by the TULIP, don't touch it. 3420 */ 3421 if (DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_OWNER) 3422 break; 3423 3424 /* 3425 * It is possible (though improbable unless the BIG_PACKET support 3426 * is enabled or MCLBYTES < 1518) for a received packet to cross 3427 * more than one receive descriptor. 3428 */ 3429 while ((DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_RxLASTDESC) == 0) { 3430 if (++eop == ri->ri_last) 3431 eop = ri->ri_first; 3432 if (eop == ri->ri_nextout || (DESC_BO(((volatile tulip_desc_t *) eop)->d_status) & TULIP_DSTS_OWNER)) { 3433 #if defined(TULIP_DEBUG) 3434 sc->tulip_dbg.dbg_rxintrs++; 3435 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3436 #endif 3437 return; 3438 } 3439 total_len++; 3440 } 3441 3442 /* 3443 * Dequeue the first buffer for the start of the packet. Hopefully 3444 * this will be the only one we need to dequeue. However, if the 3445 * packet consumed multiple descriptors, then we need to dequeue 3446 * those buffers and chain to the starting mbuf. All buffers but 3447 * the last buffer have the same length so we can set that now. 3448 * (we add to last_offset instead of multiplying since we normally 3449 * won't go into the loop and thereby saving a ourselves from 3450 * doing a multiplication by 0 in the normal case). 3451 */ 3452 IF_DEQUEUE(&sc->tulip_rxq, ms); 3453 for (me = ms; total_len > 0; total_len--) { 3454 me->m_len = TULIP_RX_BUFLEN; 3455 last_offset += TULIP_RX_BUFLEN; 3456 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3457 me = me->m_next; 3458 } 3459 } 3460 3461 /* 3462 * Now get the size of received packet (minus the CRC). 3463 */ 3464 total_len = ((DESC_BO(eop->d_status) >> 16) & 0x7FFF) - 4; 3465 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3466 && ((DESC_BO(eop->d_status) & TULIP_DSTS_ERRSUM) == 0 3467 #ifdef BIG_PACKET 3468 || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 3469 (DESC_BO(eop->d_status) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT| 3470 TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC| 3471 TULIP_DSTS_RxOVERFLOW)) == 0) 3472 #endif 3473 )) { 3474 me->m_len = total_len - last_offset; 3475 eh = *mtod(ms, struct ether_header *); 3476 #if NBPFILTER > 0 3477 if (sc->tulip_bpf != NULL) { 3478 if (me == ms) 3479 TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len); 3480 else 3481 TULIP_BPF_MTAP(sc, ms); 3482 } 3483 #endif 3484 sc->tulip_flags |= TULIP_RXACT; 3485 accept = 1; 3486 total_len -= sizeof(struct ether_header); 3487 } else { 3488 ifp->if_ierrors++; 3489 if (DESC_BO(eop->d_status) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) { 3490 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3491 } else { 3492 const char *error = NULL; 3493 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxTOOLONG) { 3494 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3495 error = "frame too long"; 3496 } 3497 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxBADCRC) { 3498 if (DESC_BO(eop->d_status) & TULIP_DSTS_RxDRBBLBIT) { 3499 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3500 error = "alignment error"; 3501 } else { 3502 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3503 error = "bad crc"; 3504 } 3505 } 3506 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3507 printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n", 3508 TULIP_PRINTF_ARGS, 3509 TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6), 3510 error); 3511 sc->tulip_flags |= TULIP_NOMESSAGES; 3512 } 3513 } 3514 } 3515 #if defined(TULIP_DEBUG) 3516 cnt++; 3517 #endif 3518 ifp->if_ipackets++; 3519 if (++eop == ri->ri_last) 3520 eop = ri->ri_first; 3521 ri->ri_nextin = eop; 3522 queue_mbuf: 3523 /* 3524 * Either we are priming the TULIP with mbufs (m == NULL) 3525 * or we are about to accept an mbuf for the upper layers 3526 * so we need to allocate an mbuf to replace it. If we 3527 * can't replace it, send up it anyways. This may cause 3528 * us to drop packets in the future but that's better than 3529 * being caught in livelock. 3530 * 3531 * Note that if this packet crossed multiple descriptors 3532 * we don't even try to reallocate all the mbufs here. 3533 * Instead we rely on the test of the beginning of 3534 * the loop to refill for the extra consumed mbufs. 3535 */ 3536 if (accept || ms == NULL) { 3537 struct mbuf *m0; 3538 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3539 if (m0 != NULL) { 3540 #if defined(TULIP_COPY_RXDATA) 3541 if (!accept || total_len >= MHLEN) { 3542 #endif 3543 MCLGET(m0, M_DONTWAIT); 3544 if ((m0->m_flags & M_EXT) == 0) { 3545 m_freem(m0); 3546 m0 = NULL; 3547 } 3548 #if defined(TULIP_COPY_RXDATA) 3549 } 3550 #endif 3551 } 3552 if (accept 3553 #if defined(TULIP_COPY_RXDATA) 3554 && m0 != NULL 3555 #endif 3556 ) { 3557 #if defined(__bsdi__) 3558 eh.ether_type = ntohs(eh.ether_type); 3559 #endif 3560 #if !defined(TULIP_COPY_RXDATA) 3561 ms->m_data += sizeof(struct ether_header); 3562 ms->m_len -= sizeof(struct ether_header); 3563 ms->m_pkthdr.len = total_len; 3564 ms->m_pkthdr.rcvif = ifp; 3565 ether_input(ifp, &eh, ms); 3566 #else 3567 #ifdef BIG_PACKET 3568 #error BIG_PACKET is incompatible with TULIP_COPY_RXDATA 3569 #endif 3570 if (ms == me) 3571 bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header), 3572 mtod(m0, caddr_t), total_len); 3573 else 3574 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3575 m0->m_len = m0->m_pkthdr.len = total_len; 3576 m0->m_pkthdr.rcvif = ifp; 3577 ether_input(ifp, &eh, m0); 3578 m0 = ms; 3579 #endif 3580 } 3581 ms = m0; 3582 } 3583 if (ms == NULL) { 3584 /* 3585 * Couldn't allocate a new buffer. Don't bother 3586 * trying to replenish the receive queue. 3587 */ 3588 fillok = 0; 3589 sc->tulip_flags |= TULIP_RXBUFSLOW; 3590 #if defined(TULIP_DEBUG) 3591 sc->tulip_dbg.dbg_rxlowbufs++; 3592 #endif 3593 continue; 3594 } 3595 /* 3596 * Now give the buffer(s) to the TULIP and save in our 3597 * receive queue. 3598 */ 3599 do { 3600 tulip_desc_bitfield_t u; 3601 u.f = DESC_BO ( ri->ri_nextout->u.f ); 3602 u.bd_length1 = TULIP_RX_BUFLEN; 3603 ri->ri_nextout->u.f = DESC_BO ( u.f ); 3604 3605 ri->ri_nextout->d_addr1 = 3606 DESC_BO(TULIP_KVATOPHYS(sc, mtod(ms, caddr_t))); 3607 ri->ri_nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 3608 #if defined(__mips__) 3609 pci_sync_cache(sc->tulip_pc, (vm_offset_t)mtod(ms, caddr_t),TULIP_RX_BUFLEN); 3610 #endif 3611 if (++ri->ri_nextout == ri->ri_last) 3612 ri->ri_nextout = ri->ri_first; 3613 me = ms->m_next; 3614 ms->m_next = NULL; 3615 IF_ENQUEUE(&sc->tulip_rxq, ms); 3616 } while ((ms = me) != NULL); 3617 3618 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3619 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3620 } 3621 3622 #if defined(TULIP_DEBUG) 3623 sc->tulip_dbg.dbg_rxintrs++; 3624 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3625 #endif 3626 } 3627 3628 3629 static int 3630 tulip_tx_intr( 3631 tulip_softc_t * const sc) 3632 { 3633 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3634 struct mbuf *m; 3635 int xmits = 0; 3636 int descs = 0; 3637 3638 while (ri->ri_free < ri->ri_max) { 3639 u_int32_t d_flag; 3640 if (DESC_BO(((volatile tulip_desc_t *) ri->ri_nextin)->d_status) & TULIP_DSTS_OWNER) 3641 break; 3642 3643 { 3644 tulip_desc_bitfield_t u; 3645 3646 u.f = DESC_BO(ri->ri_nextin->u.f); /* copy the bitfields */ 3647 d_flag = u.bd_flag; 3648 } 3649 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3650 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3651 /* 3652 * We've just finished processing a setup packet. 3653 * Mark that we finished it. If there's not 3654 * another pending, startup the TULIP receiver. 3655 * Make sure we ack the RXSTOPPED so we won't get 3656 * an abormal interrupt indication. 3657 */ 3658 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3659 if (d_flag & TULIP_DFLAG_TxINVRSFILT) 3660 sc->tulip_flags |= TULIP_HASHONLY; 3661 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3662 tulip_rx_intr(sc); 3663 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3664 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3665 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3666 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3667 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3668 } 3669 } else { 3670 const u_int32_t d_status = DESC_BO(ri->ri_nextin->d_status); 3671 IF_DEQUEUE(&sc->tulip_txq, m); 3672 if (m != NULL) { 3673 #if NBPFILTER > 0 3674 if (sc->tulip_bpf != NULL) 3675 TULIP_BPF_MTAP(sc, m); 3676 #endif 3677 m_freem(m); 3678 #if defined(TULIP_DEBUG) 3679 } else { 3680 printf(TULIP_PRINTF_FMT ": tx_intr: failed to dequeue mbuf?!?\n", TULIP_PRINTF_ARGS); 3681 #endif 3682 } 3683 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3684 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3685 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3686 #if defined(TULIP_DEBUG) 3687 if (d_status & TULIP_DSTS_TxNOCARR) 3688 sc->tulip_dbg.dbg_txprobe_nocarr++; 3689 if (d_status & TULIP_DSTS_TxEXCCOLL) 3690 sc->tulip_dbg.dbg_txprobe_exccoll++; 3691 #endif 3692 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3693 } 3694 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3695 /* 3696 * Escape from the loop before media poll has reset the TULIP! 3697 */ 3698 break; 3699 } else { 3700 xmits++; 3701 if (d_status & TULIP_DSTS_ERRSUM) { 3702 sc->tulip_if.if_oerrors++; 3703 if (d_status & TULIP_DSTS_TxEXCCOLL) 3704 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3705 if (d_status & TULIP_DSTS_TxLATECOLL) 3706 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3707 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3708 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3709 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3710 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3711 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3712 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3713 if (d_status & TULIP_DSTS_TxBABBLE) 3714 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3715 } else { 3716 u_int32_t collisions = 3717 (d_status & TULIP_DSTS_TxCOLLMASK) 3718 >> TULIP_DSTS_V_TxCOLLCNT; 3719 sc->tulip_if.if_collisions += collisions; 3720 if (collisions == 1) 3721 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3722 else if (collisions > 1) 3723 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3724 else if (d_status & TULIP_DSTS_TxDEFERRED) 3725 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3726 /* 3727 * SQE is only valid for 10baseT/BNC/AUI when not 3728 * running in full-duplex. In order to speed up the 3729 * test, the corresponding bit in tulip_flags needs to 3730 * set as well to get us to count SQE Test Errors. 3731 */ 3732 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3733 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3734 } 3735 } 3736 } 3737 } 3738 3739 if (++ri->ri_nextin == ri->ri_last) 3740 ri->ri_nextin = ri->ri_first; 3741 3742 ri->ri_free++; 3743 descs++; 3744 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3745 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3746 } 3747 /* 3748 * If nothing left to transmit, disable the timer. 3749 * Else if progress, reset the timer back to 2 ticks. 3750 */ 3751 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3752 sc->tulip_txtimer = 0; 3753 else if (xmits > 0) 3754 sc->tulip_txtimer = TULIP_TXTIMER; 3755 sc->tulip_if.if_opackets += xmits; 3756 return descs; 3757 } 3758 3759 static void 3760 tulip_print_abnormal_interrupt( 3761 tulip_softc_t * const sc, 3762 u_int32_t csr) 3763 { 3764 const char * const *msgp = tulip_status_bits; 3765 const char *sep; 3766 u_int32_t mask; 3767 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3768 3769 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3770 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3771 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3772 if ((csr & mask) && *msgp != NULL) { 3773 printf("%s%s", sep, *msgp); 3774 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3775 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3776 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) { 3777 printf(" (switching to store-and-forward mode)"); 3778 } else { 3779 printf(" (raising TX threshold to %s)", 3780 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3781 } 3782 } 3783 sep = ", "; 3784 } 3785 } 3786 printf("\n"); 3787 } 3788 3789 static void 3790 tulip_intr_handler( 3791 tulip_softc_t * const sc, 3792 int *progress_p) 3793 { 3794 TULIP_PERFSTART(intr) 3795 u_int32_t csr; 3796 3797 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3798 *progress_p = 1; 3799 TULIP_CSR_WRITE(sc, csr_status, csr); 3800 3801 if (csr & TULIP_STS_SYSERROR) { 3802 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3803 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3804 sc->tulip_flags |= TULIP_SYSTEMERROR; 3805 } else { 3806 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3807 TULIP_PRINTF_ARGS, 3808 tulip_system_errors[sc->tulip_last_system_error]); 3809 } 3810 sc->tulip_flags |= TULIP_NEEDRESET; 3811 sc->tulip_system_errors++; 3812 break; 3813 } 3814 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3815 #if defined(TULIP_DEBUG) 3816 sc->tulip_dbg.dbg_link_intrs++; 3817 #endif 3818 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3819 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3820 ? TULIP_MEDIAPOLL_LINKFAIL 3821 : TULIP_MEDIAPOLL_LINKPASS); 3822 csr &= ~TULIP_STS_ABNRMLINTR; 3823 } 3824 tulip_media_print(sc); 3825 } 3826 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3827 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3828 if (csr & TULIP_STS_RXNOBUF) 3829 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3830 /* 3831 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3832 * on receive overflows. 3833 */ 3834 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3835 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3836 /* 3837 * Stop the receiver process and spin until it's stopped. 3838 * Tell rx_intr to drop the packets it dequeues. 3839 */ 3840 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3841 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3842 ; 3843 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3844 sc->tulip_flags |= TULIP_RXIGNORE; 3845 } 3846 tulip_rx_intr(sc); 3847 if (sc->tulip_flags & TULIP_RXIGNORE) { 3848 /* 3849 * Restart the receiver. 3850 */ 3851 sc->tulip_flags &= ~TULIP_RXIGNORE; 3852 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3853 } 3854 } 3855 if (csr & TULIP_STS_ABNRMLINTR) { 3856 u_int32_t tmp = csr & sc->tulip_intrmask 3857 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3858 if (csr & TULIP_STS_TXUNDERFLOW) { 3859 #if defined(TULIP_DEBUG) 3860 printf ("Underflow interrupt\n"); 3861 #endif 3862 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3863 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3864 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3865 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3866 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3867 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3868 } 3869 } 3870 if (sc->tulip_flags & TULIP_NOMESSAGES) { 3871 sc->tulip_statusbits |= tmp; 3872 } else { 3873 tulip_print_abnormal_interrupt(sc, tmp); 3874 sc->tulip_flags |= TULIP_NOMESSAGES; 3875 } 3876 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3877 } 3878 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3879 tulip_tx_intr(sc); 3880 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3881 tulip_ifstart(&sc->tulip_if); 3882 } 3883 } 3884 if (sc->tulip_flags & TULIP_NEEDRESET) { 3885 tulip_reset(sc); 3886 tulip_init(sc); 3887 } 3888 TULIP_PERFEND(intr); 3889 } 3890 3891 #if defined(TULIP_USE_SOFTINTR) 3892 /* 3893 * This is a experimental idea to alleviate problems due to interrupt 3894 * livelock. What is interrupt livelock? It's when you spend all your 3895 * time servicing device interrupts and never drop below device ipl 3896 * to do "useful" work. 3897 * 3898 * So what we do here is see if the device needs service and if so, 3899 * disable interrupts (dismiss the interrupt), place it in a list of devices 3900 * needing service, and issue a network software interrupt. 3901 * 3902 * When our network software interrupt routine gets called, we simply 3903 * walk done the list of devices that we have created and deal with them 3904 * at splnet/splsoftnet. 3905 * 3906 */ 3907 static void 3908 tulip_hardintr_handler( 3909 tulip_softc_t * const sc, 3910 int *progress_p) 3911 { 3912 if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0) 3913 return; 3914 *progress_p = 1; 3915 /* 3916 * disable interrupts 3917 */ 3918 TULIP_CSR_WRITE(sc, csr_intr, 0); 3919 /* 3920 * mark it as needing a software interrupt 3921 */ 3922 tulip_softintr_mask |= (1U << sc->tulip_unit); 3923 3924 #if defined(__NetBSD__) && NRND > 0 3925 /* 3926 * This isn't all that random (the value we feed in) but it is 3927 * better than a constant probably. It isn't used in entropy 3928 * calculation anyway, just to add something to the pool. 3929 */ 3930 rnd_add_uint32(&sc->tulip_rndsource, sc->tulip_flags); 3931 #endif 3932 } 3933 3934 static void 3935 tulip_softintr( 3936 void) 3937 { 3938 u_int32_t softintr_mask, mask; 3939 int progress = 0; 3940 int unit; 3941 tulip_spl_t s; 3942 3943 /* 3944 * Copy mask to local copy and reset global one to 0. 3945 */ 3946 s = TULIP_RAISESPL(); 3947 softintr_mask = tulip_softintr_mask; 3948 tulip_softintr_mask = 0; 3949 TULIP_RESTORESPL(s); 3950 3951 /* 3952 * Optimize for the single unit case. 3953 */ 3954 if (tulip_softintr_max_unit == 0) { 3955 if (softintr_mask & 1) { 3956 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0); 3957 /* 3958 * Handle the "interrupt" and then reenable interrupts 3959 */ 3960 softintr_mask = 0; 3961 tulip_intr_handler(sc, &progress); 3962 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3963 } 3964 return; 3965 } 3966 3967 /* 3968 * Handle all "queued" interrupts in a round robin fashion. 3969 * This is done so as not to favor a particular interface. 3970 */ 3971 unit = tulip_softintr_last_unit; 3972 mask = (1U << unit); 3973 while (softintr_mask != 0) { 3974 if (tulip_softintr_max_unit == unit) { 3975 unit = 0; mask = 1; 3976 } else { 3977 unit += 1; mask <<= 1; 3978 } 3979 if (softintr_mask & mask) { 3980 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit); 3981 /* 3982 * Handle the "interrupt" and then reenable interrupts 3983 */ 3984 softintr_mask ^= mask; 3985 tulip_intr_handler(sc, &progress); 3986 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3987 } 3988 } 3989 3990 /* 3991 * Save where we ending up. 3992 */ 3993 tulip_softintr_last_unit = unit; 3994 } 3995 #endif /* TULIP_USE_SOFTINTR */ 3996 3997 static tulip_intrfunc_t 3998 tulip_intr_shared( 3999 void *arg) 4000 { 4001 tulip_softc_t * sc = arg; 4002 int progress = 0; 4003 4004 for (; sc != NULL; sc = sc->tulip_slaves) { 4005 #if defined(TULIP_DEBUG) 4006 sc->tulip_dbg.dbg_intrs++; 4007 #endif 4008 #if defined(TULIP_USE_SOFTINTR) 4009 tulip_hardintr_handler(sc, &progress); 4010 #else 4011 tulip_intr_handler(sc, &progress); 4012 #endif 4013 } 4014 #if defined(TULIP_USE_SOFTINTR) 4015 if (progress) 4016 schednetisr(NETISR_DE); 4017 #endif 4018 #if !defined(TULIP_VOID_INTRFUNC) 4019 return progress; 4020 #endif 4021 } 4022 4023 static tulip_intrfunc_t 4024 tulip_intr_normal( 4025 void *arg) 4026 { 4027 tulip_softc_t * sc = (tulip_softc_t *) arg; 4028 int progress = 0; 4029 4030 #if defined(TULIP_DEBUG) 4031 sc->tulip_dbg.dbg_intrs++; 4032 #endif 4033 #if defined(TULIP_USE_SOFTINTR) 4034 tulip_hardintr_handler(sc, &progress); 4035 if (progress) 4036 schednetisr(NETISR_DE); 4037 #else 4038 tulip_intr_handler(sc, &progress); 4039 #endif 4040 #if !defined(TULIP_VOID_INTRFUNC) 4041 return progress; 4042 #endif 4043 } 4044 4045 static struct mbuf * 4046 tulip_mbuf_compress( 4047 struct mbuf *m) 4048 { 4049 struct mbuf *m0; 4050 #if MCLBYTES >= ETHERMTU + 18 && !defined(BIG_PACKET) 4051 MGETHDR(m0, M_DONTWAIT, MT_DATA); 4052 if (m0 != NULL) { 4053 if (m->m_pkthdr.len > MHLEN) { 4054 MCLGET(m0, M_DONTWAIT); 4055 if ((m0->m_flags & M_EXT) == 0) { 4056 m_freem(m); 4057 m_freem(m0); 4058 return NULL; 4059 } 4060 } 4061 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 4062 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 4063 } 4064 #else 4065 int mlen = MHLEN; 4066 int len = m->m_pkthdr.len; 4067 struct mbuf **mp = &m0; 4068 4069 while (len > 0) { 4070 if (mlen == MHLEN) { 4071 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 4072 } else { 4073 MGET(*mp, M_DONTWAIT, MT_DATA); 4074 } 4075 if (*mp == NULL) { 4076 m_freem(m0); 4077 m0 = NULL; 4078 break; 4079 } 4080 if (len > MLEN) { 4081 MCLGET(*mp, M_DONTWAIT); 4082 if (((*mp)->m_flags & M_EXT) == 0) { 4083 m_freem(m0); 4084 m0 = NULL; 4085 break; 4086 } 4087 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 4088 } else { 4089 (*mp)->m_len = len <= mlen ? len : mlen; 4090 } 4091 m_copydata(m, m->m_pkthdr.len - len, 4092 (*mp)->m_len, mtod((*mp), caddr_t)); 4093 len -= (*mp)->m_len; 4094 mp = &(*mp)->m_next; 4095 mlen = MLEN; 4096 } 4097 #endif 4098 m_freem(m); 4099 return m0; 4100 } 4101 4102 static struct mbuf * 4103 tulip_txput( 4104 tulip_softc_t * const sc, 4105 struct mbuf *m) 4106 { 4107 TULIP_PERFSTART(txput) 4108 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4109 tulip_desc_t *eop, *nextout; 4110 int segcnt, free; 4111 u_int32_t d_status; 4112 struct mbuf *m0; 4113 #if 1 /* ALTQ */ 4114 struct ifnet *ifp = &sc->tulip_if; 4115 struct mbuf *ombuf = m; 4116 int compressed = 0; 4117 #endif 4118 4119 #if defined(TULIP_DEBUG) 4120 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4121 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 4122 TULIP_PRINTF_ARGS, 4123 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 4124 sc->tulip_flags |= TULIP_WANTTXSTART; 4125 goto finish; 4126 } 4127 #endif 4128 4129 /* 4130 * Now we try to fill in our transmit descriptors. This is 4131 * a bit reminiscent of going on the Ark two by two 4132 * since each descriptor for the TULIP can describe 4133 * two buffers. So we advance through packet filling 4134 * each of the two entries at a time to to fill each 4135 * descriptor. Clear the first and last segment bits 4136 * in each descriptor (actually just clear everything 4137 * but the end-of-ring or chain bits) to make sure 4138 * we don't get messed up by previously sent packets. 4139 * 4140 * We may fail to put the entire packet on the ring if 4141 * there is either not enough ring entries free or if the 4142 * packet has more than MAX_TXSEG segments. In the former 4143 * case we will just wait for the ring to empty. In the 4144 * latter case we have to recopy. 4145 */ 4146 again: 4147 d_status = 0; 4148 eop = nextout = ri->ri_nextout; 4149 m0 = m; 4150 segcnt = 0; 4151 free = ri->ri_free; 4152 do { 4153 int len = m0->m_len; 4154 caddr_t addr = mtod(m0, caddr_t); 4155 unsigned clsize = PAGE_SIZE - (((u_long) addr) & PAGE_MASK); 4156 4157 while (len > 0) { 4158 unsigned slen = min(len, clsize); 4159 #ifdef BIG_PACKET 4160 int partial = 0; 4161 if (slen >= 2048) 4162 slen = 2040, partial = 1; 4163 #endif 4164 segcnt++; 4165 if (segcnt > TULIP_MAX_TXSEG) { 4166 /* 4167 * The packet exceeds the number of transmit buffer 4168 * entries that we can use for one packet, so we have 4169 * recopy it into one mbuf and then try again. 4170 */ 4171 #if 1 /* ALTQ */ 4172 struct mbuf *tmp; 4173 /* 4174 * tulip_mbuf_compress() frees the original mbuf. 4175 * thus, we have to remove the mbuf from the queue 4176 * before calling it. 4177 * we don't have to worry about space shortage 4178 * after compressing the mbuf since the compressed 4179 * mbuf will take only two segs. 4180 */ 4181 if (compressed) { 4182 /* should not happen */ 4183 printf("tulip_txput: compress called twice!\n"); 4184 goto finish; 4185 } 4186 IFQ_DEQUEUE(&ifp->if_snd, tmp); 4187 if (tmp != ombuf) 4188 panic("tulip_txput: different mbuf dequeued!"); 4189 compressed = 1; 4190 #endif 4191 m = tulip_mbuf_compress(m); 4192 if (m == NULL) 4193 goto finish; 4194 goto again; 4195 } 4196 if (segcnt & 1) { 4197 if (--free == 0) { 4198 /* 4199 * See if there's any unclaimed space in the 4200 * transmit ring. 4201 */ 4202 if ((free += tulip_tx_intr(sc)) == 0) { 4203 /* 4204 * There's no more room but since nothing 4205 * has been committed at this point, just 4206 * show output is active, put back the 4207 * mbuf and return. 4208 */ 4209 sc->tulip_flags |= TULIP_WANTTXSTART; 4210 goto finish; 4211 } 4212 } 4213 eop = nextout; 4214 if (++nextout == ri->ri_last) 4215 nextout = ri->ri_first; 4216 { 4217 tulip_desc_bitfield_t u; 4218 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4219 u.bd_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4220 u.bd_length1 = slen; 4221 4222 eop->d_status = DESC_BO(d_status); 4223 eop->d_addr1 = DESC_BO( TULIP_KVATOPHYS(sc, addr) ); 4224 eop->u.f = DESC_BO(u.f); /* copy the bitfields */ 4225 } 4226 } else { 4227 /* 4228 * Fill in second half of descriptor 4229 */ 4230 eop->d_addr2 = DESC_BO(TULIP_KVATOPHYS(sc, addr)); 4231 { 4232 tulip_desc_bitfield_t u; 4233 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4234 u.bd_length2 = slen; 4235 eop->u.f = DESC_BO(u.f); /* copy the bitfields */ 4236 } 4237 } 4238 #if defined(__mips__) 4239 pci_sync_cache(sc->tulip_pc, (vm_offset_t)addr, slen); 4240 #endif 4241 d_status = TULIP_DSTS_OWNER; 4242 len -= slen; 4243 addr += slen; 4244 #ifdef BIG_PACKET 4245 if (partial) 4246 continue; 4247 #endif 4248 clsize = PAGE_SIZE; 4249 } 4250 } while ((m0 = m0->m_next) != NULL); 4251 4252 4253 /* 4254 * The descriptors have been filled in. Now get ready 4255 * to transmit. 4256 */ 4257 #if 1 /* ALTQ */ 4258 if (!compressed && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { 4259 /* remove the mbuf from the queue */ 4260 struct mbuf *tmp; 4261 IFQ_DEQUEUE(&ifp->if_snd, tmp); 4262 if (tmp != ombuf) 4263 panic("tulip_txput: different mbuf dequeued!"); 4264 } 4265 #endif 4266 4267 IF_ENQUEUE(&sc->tulip_txq, m); 4268 m = NULL; 4269 4270 /* 4271 * Make sure the next descriptor after this packet is owned 4272 * by us since it may have been set up above if we ran out 4273 * of room in the ring. 4274 */ 4275 nextout->d_status = 0; /* doesn't need swab - dsr */ 4276 4277 /* 4278 * If we only used the first segment of the last descriptor, 4279 * make sure the second segment will not be used. 4280 */ 4281 if (segcnt & 1) { 4282 tulip_desc_bitfield_t u; 4283 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4284 u.bd_length2 = 0; 4285 eop->d_addr2 = 0; /* no swab necessary - dsr */ 4286 eop->u.f = DESC_BO(u.f); 4287 } 4288 4289 /* 4290 * Mark the last and first segments, indicate we want a transmit 4291 * complete interrupt, and tell it to transmit! 4292 */ 4293 { 4294 tulip_desc_bitfield_t u; 4295 4296 u.f = DESC_BO(eop->u.f); /* copy the bitfields */ 4297 u.bd_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4298 eop->u.f = DESC_BO(u.f); 4299 } 4300 4301 /* 4302 * Note that ri->ri_nextout is still the start of the packet 4303 * and until we set the OWNER bit, we can still back out of 4304 * everything we have done. 4305 */ 4306 { 4307 tulip_desc_bitfield_t u; 4308 4309 u.f = DESC_BO(ri->ri_nextout->u.f); /* copy the bitfields */ 4310 u.bd_flag |= TULIP_DFLAG_TxFIRSTSEG; 4311 ri->ri_nextout->u.f = DESC_BO(u.f); 4312 ri->ri_nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 4313 } 4314 4315 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4316 4317 /* 4318 * This advances the ring for us. 4319 */ 4320 ri->ri_nextout = nextout; 4321 ri->ri_free = free; 4322 4323 TULIP_PERFEND(txput); 4324 4325 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4326 sc->tulip_if.if_flags |= IFF_OACTIVE; 4327 sc->tulip_if.if_start = tulip_ifstart; 4328 TULIP_PERFEND(txput); 4329 return NULL; 4330 } 4331 4332 /* 4333 * switch back to the single queueing ifstart. 4334 */ 4335 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4336 if (sc->tulip_txtimer == 0) 4337 sc->tulip_txtimer = TULIP_TXTIMER; 4338 4339 /* 4340 * If we want a txstart, there must be not enough space in the 4341 * transmit ring. So we want to enable transmit done interrupts 4342 * so we can immediately reclaim some space. When the transmit 4343 * interrupt is posted, the interrupt handler will call tx_intr 4344 * to reclaim space and then txstart (since WANTTXSTART is set). 4345 * txstart will move the packet into the transmit ring and clear 4346 * WANTTXSTART thereby causing TXINTR to be cleared. 4347 */ 4348 finish: 4349 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4350 sc->tulip_if.if_flags |= IFF_OACTIVE; 4351 sc->tulip_if.if_start = tulip_ifstart; 4352 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4353 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4354 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4355 } 4356 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4357 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4358 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4359 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4360 } 4361 } 4362 TULIP_PERFEND(txput); 4363 return m; 4364 } 4365 4366 static void 4367 tulip_txput_setup( 4368 tulip_softc_t * const sc) 4369 { 4370 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4371 tulip_desc_t *nextout; 4372 4373 /* 4374 * We will transmit, at most, one setup packet per call to ifstart. 4375 */ 4376 4377 #if defined(TULIP_DEBUG) 4378 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4379 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4380 TULIP_PRINTF_ARGS); 4381 sc->tulip_flags |= TULIP_WANTTXSTART; 4382 sc->tulip_if.if_start = tulip_ifstart; 4383 return; 4384 } 4385 #endif 4386 /* 4387 * Try to reclaim some free descriptors.. 4388 */ 4389 if (ri->ri_free < 2) 4390 tulip_tx_intr(sc); 4391 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4392 sc->tulip_flags |= TULIP_WANTTXSTART; 4393 sc->tulip_if.if_start = tulip_ifstart; 4394 return; 4395 } 4396 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4397 sizeof(sc->tulip_setupbuf)); 4398 /* 4399 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4400 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4401 */ 4402 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4403 ri->ri_free--; 4404 #if defined(__mips__) 4405 pci_sync_cache(sc->tulip_pc, (vm_offset_t)sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf)); 4406 #endif 4407 nextout = ri->ri_nextout; 4408 { 4409 u_int32_t d_flag; 4410 tulip_desc_bitfield_t u; 4411 4412 u.f = DESC_BO(nextout->u.f); /* copy the bitfields */ 4413 d_flag = u.bd_flag; 4414 4415 d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4416 d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4417 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4418 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4419 d_flag |= TULIP_DFLAG_TxHASHFILT; 4420 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4421 d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4422 4423 4424 u.bd_flag = d_flag; 4425 u.bd_length1 = sizeof(sc->tulip_setupbuf); 4426 u.bd_length2 = 0; 4427 4428 nextout->u.f = DESC_BO(u.f); 4429 nextout->d_addr1 = DESC_BO(TULIP_KVATOPHYS(sc, sc->tulip_setupbuf)); 4430 nextout->d_addr2 = 0; /* no need to swab */ 4431 } 4432 4433 /* 4434 * Advance the ring for the next transmit packet. 4435 */ 4436 if (++ri->ri_nextout == ri->ri_last) 4437 ri->ri_nextout = ri->ri_first; 4438 4439 /* 4440 * Make sure the next descriptor is owned by us since it 4441 * may have been set up above if we ran out of room in the 4442 * ring. 4443 */ 4444 ri->ri_nextout->d_status = 0; /* doesn't need swab - dsr */ 4445 nextout->d_status = DESC_BO(TULIP_DSTS_OWNER); 4446 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4447 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4448 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4449 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4450 } 4451 } 4452 4453 4454 /* 4455 * This routine is entered at splnet() (splsoftnet() on NetBSD) 4456 * and thereby imposes no problems when TULIP_USE_SOFTINTR is 4457 * defined or not. 4458 */ 4459 static int 4460 tulip_ifioctl( 4461 struct ifnet * ifp, 4462 ioctl_cmd_t cmd, 4463 caddr_t data) 4464 { 4465 TULIP_PERFSTART(ifioctl) 4466 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4467 struct ifaddr *ifa = (struct ifaddr *)data; 4468 struct ifreq *ifr = (struct ifreq *) data; 4469 tulip_spl_t s; 4470 int error = 0; 4471 4472 #if defined(TULIP_USE_SOFTINTR) 4473 s = TULIP_RAISESOFTSPL(); 4474 #else 4475 s = TULIP_RAISESPL(); 4476 #endif 4477 switch (cmd) { 4478 case SIOCSIFADDR: { 4479 ifp->if_flags |= IFF_UP; 4480 switch(ifa->ifa_addr->sa_family) { 4481 #ifdef INET 4482 case AF_INET: { 4483 tulip_init(sc); 4484 TULIP_ARP_IFINIT(sc, ifa); 4485 break; 4486 } 4487 #endif /* INET */ 4488 4489 #ifdef NS 4490 /* 4491 * This magic copied from if_is.c; I don't use XNS, 4492 * so I have no way of telling if this actually 4493 * works or not. 4494 */ 4495 case AF_NS: { 4496 struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr); 4497 if (ns_nullhost(*ina)) { 4498 ina->x_host = *(union ns_host *)(sc->tulip_enaddr); 4499 } else { 4500 ifp->if_flags &= ~IFF_RUNNING; 4501 bcopy((caddr_t)ina->x_host.c_host, 4502 (caddr_t)sc->tulip_enaddr, 4503 sizeof(sc->tulip_enaddr)); 4504 } 4505 tulip_init(sc); 4506 break; 4507 } 4508 #endif /* NS */ 4509 4510 default: { 4511 tulip_init(sc); 4512 break; 4513 } 4514 } 4515 break; 4516 } 4517 case SIOCGIFADDR: { 4518 bcopy((caddr_t) sc->tulip_enaddr, 4519 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data, 4520 6); 4521 break; 4522 } 4523 4524 case SIOCSIFFLAGS: { 4525 #if !defined(IFM_ETHER) 4526 int flags = 0; 4527 if (ifp->if_flags & IFF_LINK0) flags |= 1; 4528 if (ifp->if_flags & IFF_LINK1) flags |= 2; 4529 if (ifp->if_flags & IFF_LINK2) flags |= 4; 4530 if (flags == 7) { 4531 ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2); 4532 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4533 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4534 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE); 4535 tulip_reset(sc); 4536 } else if (flags) { 4537 tulip_media_t media; 4538 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 4539 if (sc->tulip_mediums[media] != NULL && --flags == 0) { 4540 sc->tulip_flags |= TULIP_NOAUTOSENSE; 4541 if (sc->tulip_media != media || (sc->tulip_flags & TULIP_DIDNWAY)) { 4542 sc->tulip_flags &= ~TULIP_DIDNWAY; 4543 tulip_linkup(sc, media); 4544 } 4545 break; 4546 } 4547 } 4548 if (flags) 4549 printf(TULIP_PRINTF_FMT ": ignored invalid media request\n", TULIP_PRINTF_ARGS); 4550 } 4551 #endif 4552 tulip_init(sc); 4553 break; 4554 } 4555 4556 #if defined(SIOCSIFMEDIA) 4557 case SIOCSIFMEDIA: 4558 case SIOCGIFMEDIA: { 4559 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4560 break; 4561 } 4562 #endif 4563 4564 case SIOCADDMULTI: 4565 case SIOCDELMULTI: { 4566 /* 4567 * Update multicast listeners 4568 */ 4569 if (cmd == SIOCADDMULTI) 4570 error = ether_addmulti(ifr, TULIP_ETHERCOM(sc)); 4571 else 4572 error = ether_delmulti(ifr, TULIP_ETHERCOM(sc)); 4573 4574 if (error == ENETRESET) { 4575 tulip_addr_filter(sc); /* reset multicast filtering */ 4576 tulip_init(sc); 4577 error = 0; 4578 } 4579 break; 4580 } 4581 case SIOCSIFMTU: 4582 /* 4583 * Set the interface MTU. 4584 */ 4585 if (ifr->ifr_mtu > ETHERMTU 4586 #ifdef BIG_PACKET 4587 && sc->tulip_chipid != TULIP_21140 4588 && sc->tulip_chipid != TULIP_21140A 4589 && sc->tulip_chipid != TULIP_21041 4590 #endif 4591 ) { 4592 error = EINVAL; 4593 break; 4594 } 4595 ifp->if_mtu = ifr->ifr_mtu; 4596 #ifdef BIG_PACKET 4597 tulip_reset(sc); 4598 tulip_init(sc); 4599 #endif 4600 break; 4601 4602 #ifdef SIOCGADDRROM 4603 case SIOCGADDRROM: { 4604 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf)); 4605 break; 4606 } 4607 #endif 4608 #ifdef SIOCGCHIPID 4609 case SIOCGCHIPID: { 4610 ifr->ifr_metric = (int) sc->tulip_chipid; 4611 break; 4612 } 4613 #endif 4614 default: { 4615 error = EINVAL; 4616 break; 4617 } 4618 } 4619 4620 TULIP_RESTORESPL(s); 4621 TULIP_PERFEND(ifioctl); 4622 return error; 4623 } 4624 4625 #if 1 /* ALTQ */ 4626 /* 4627 * the original dequeueing policy is dequeue-and-prepend if something 4628 * goes wrong. when altq is used, it is changed to peek-and-dequeue. 4629 * the modification becomes a bit complicated since tulip_txput() might 4630 * copy and modify the mbuf passed. 4631 */ 4632 #endif 4633 /* 4634 * These routines gets called at device spl (from ether_output). This might 4635 * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at 4636 * device spl from another driver. 4637 */ 4638 4639 static ifnet_ret_t 4640 tulip_ifstart( 4641 struct ifnet * const ifp) 4642 { 4643 TULIP_PERFSTART(ifstart) 4644 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4645 4646 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4647 4648 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4649 tulip_txput_setup(sc); 4650 4651 while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4652 struct mbuf *m, *m0; 4653 IFQ_POLL(&sc->tulip_if.if_snd, m); 4654 if (m == NULL) 4655 break; 4656 if ((m0 = tulip_txput(sc, m)) != NULL) { 4657 if (m0 != m) 4658 /* should not happen */ 4659 printf("tulip_if_start: txput failed!\n"); 4660 break; 4661 } 4662 } 4663 #ifdef ALTQ 4664 if (0) /* don't switch to the one packet mode */ 4665 #else 4666 if (IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) 4667 #endif 4668 sc->tulip_if.if_start = tulip_ifstart_one; 4669 } 4670 4671 TULIP_PERFEND(ifstart); 4672 } 4673 4674 static ifnet_ret_t 4675 tulip_ifstart_one( 4676 struct ifnet * const ifp) 4677 { 4678 TULIP_PERFSTART(ifstart_one) 4679 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4680 4681 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4682 && !IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4683 struct mbuf *m, *m0; 4684 IFQ_POLL(&sc->tulip_if.if_snd, m); 4685 if (m != NULL && (m0 = tulip_txput(sc, m)) != NULL) 4686 if (m0 != m) 4687 /* should not happen */ 4688 printf("tulip_if_start_one: txput failed!\n"); 4689 } 4690 TULIP_PERFEND(ifstart_one); 4691 } 4692 4693 /* 4694 * Even though this routine runs at device spl, it does not break 4695 * our use of splnet (splsoftnet under NetBSD) for the majority 4696 * of this driver (if TULIP_USE_SOFTINTR defined) since 4697 * if_watcbog is called from if_watchdog which is called from 4698 * splsoftclock which is below spl[soft]net. 4699 */ 4700 static void 4701 tulip_ifwatchdog( 4702 struct ifnet *ifp) 4703 { 4704 TULIP_PERFSTART(ifwatchdog) 4705 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4706 4707 #if defined(TULIP_DEBUG) 4708 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4709 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4710 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4711 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4712 #endif /* TULIP_DEBUG */ 4713 4714 sc->tulip_if.if_timer = 1; 4715 /* 4716 * These should be rare so do a bulk test up front so we can just skip 4717 * them if needed. 4718 */ 4719 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4720 /* 4721 * If the number of receive buffer is low, try to refill 4722 */ 4723 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4724 tulip_rx_intr(sc); 4725 4726 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4727 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4728 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4729 tulip_system_errors[sc->tulip_last_system_error]); 4730 } 4731 if (sc->tulip_statusbits) { 4732 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4733 sc->tulip_statusbits = 0; 4734 } 4735 4736 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4737 } 4738 4739 if (sc->tulip_txtimer) 4740 tulip_tx_intr(sc); 4741 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4742 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4743 if (TULIP_DO_AUTOSENSE(sc)) { 4744 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4745 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4746 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4747 } 4748 tulip_reset(sc); 4749 tulip_init(sc); 4750 } 4751 4752 TULIP_PERFEND(ifwatchdog); 4753 TULIP_PERFMERGE(sc, perf_intr_cycles); 4754 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4755 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4756 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4757 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4758 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4759 TULIP_PERFMERGE(sc, perf_txput_cycles); 4760 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4761 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4762 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4763 TULIP_PERFMERGE(sc, perf_intr); 4764 TULIP_PERFMERGE(sc, perf_ifstart); 4765 TULIP_PERFMERGE(sc, perf_ifioctl); 4766 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4767 TULIP_PERFMERGE(sc, perf_timeout); 4768 TULIP_PERFMERGE(sc, perf_ifstart_one); 4769 TULIP_PERFMERGE(sc, perf_txput); 4770 TULIP_PERFMERGE(sc, perf_txintr); 4771 TULIP_PERFMERGE(sc, perf_rxintr); 4772 TULIP_PERFMERGE(sc, perf_rxget); 4773 } 4774 4775 #if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506) 4776 static ifnet_ret_t 4777 tulip_ifwatchdog_wrapper( 4778 int unit) 4779 { 4780 tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if); 4781 } 4782 #define tulip_ifwatchdog tulip_ifwatchdog_wrapper 4783 #endif 4784 4785 /* 4786 * All printf's are real as of now! 4787 */ 4788 #ifdef printf 4789 #undef printf 4790 #endif 4791 #if !defined(IFF_NOTRAILERS) 4792 #define IFF_NOTRAILERS 0 4793 #endif 4794 4795 static void 4796 tulip_attach( 4797 tulip_softc_t * const sc) 4798 { 4799 struct ifnet * const ifp = &sc->tulip_if; 4800 4801 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4802 ifp->if_ioctl = tulip_ifioctl; 4803 ifp->if_start = tulip_ifstart; 4804 ifp->if_watchdog = tulip_ifwatchdog; 4805 ifp->if_timer = 1; 4806 #if !defined(__bsdi__) || _BSDI_VERSION < 199401 4807 ifp->if_output = ether_output; 4808 #endif 4809 #if defined(__bsdi__) && _BSDI_VERSION < 199401 4810 ifp->if_mtu = ETHERMTU; 4811 #endif 4812 4813 #ifdef __OpenBSD__ 4814 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4815 #if defined(TULIP_NEED_FASTTIMEOUT) 4816 timeout_set(&sc->tulip_ftmo, tulip_fasttimeout_callback, sc); 4817 #endif 4818 #endif 4819 4820 #if defined(__bsdi__) && _BSDI_VERSION >= 199510 4821 aprint_naive(": DEC Ethernet"); 4822 aprint_normal(": %s%s", sc->tulip_boardid, 4823 tulip_chipdescs[sc->tulip_chipid]); 4824 aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4, 4825 sc->tulip_revinfo & 0x0F); 4826 printf("\n"); 4827 sc->tulip_pf = aprint_normal; 4828 aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n", 4829 TULIP_PRINTF_ARGS, 4830 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4831 #else 4832 printf( 4833 #if defined(__bsdi__) 4834 "\n" 4835 #endif 4836 TULIP_PRINTF_FMT ": %s%s pass %d.%d%s address " TULIP_EADDR_FMT "\n", 4837 TULIP_PRINTF_ARGS, 4838 sc->tulip_boardid, 4839 tulip_chipdescs[sc->tulip_chipid], 4840 (sc->tulip_revinfo & 0xF0) >> 4, 4841 sc->tulip_revinfo & 0x0F, 4842 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4843 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4844 TULIP_EADDR_ARGS(sc->tulip_enaddr)); 4845 #endif 4846 4847 #if defined(__alpha__) 4848 /* 4849 * In case the SRM console told us about a bogus media, 4850 * we need to check to be safe. 4851 */ 4852 if (sc->tulip_mediums[sc->tulip_media] == NULL) 4853 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4854 #endif 4855 4856 (*sc->tulip_boardsw->bd_media_probe)(sc); 4857 #if defined(IFM_ETHER) 4858 ifmedia_init(&sc->tulip_ifmedia, 0, 4859 tulip_ifmedia_change, 4860 tulip_ifmedia_status); 4861 #else 4862 { 4863 tulip_media_t media; 4864 int cnt; 4865 printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS); 4866 for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) { 4867 if (sc->tulip_mediums[media] != NULL) { 4868 printf(" %d=\"%s\"", cnt, tulip_mediums[media]); 4869 cnt++; 4870 } 4871 } 4872 if (cnt == 1) { 4873 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 4874 printf(" none\n"); 4875 } else { 4876 printf("\n"); 4877 } 4878 } 4879 #endif 4880 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4881 #if defined(IFM_ETHER) 4882 tulip_ifmedia_add(sc); 4883 #endif 4884 4885 tulip_reset(sc); 4886 4887 IFQ_SET_READY(&ifp->if_snd); 4888 #if defined(__bsdi__) && _BSDI_VERSION >= 199510 4889 sc->tulip_pf = printf; 4890 TULIP_ETHER_IFATTACH(sc); 4891 #else 4892 if_attach(ifp); 4893 #if defined(__NetBSD__) || defined(__OpenBSD__) || (defined(__FreeBSD__) && BSD >= 199506) 4894 TULIP_ETHER_IFATTACH(sc); 4895 #endif 4896 #endif /* __bsdi__ */ 4897 4898 #if NBPFILTER > 0 4899 TULIP_BPF_ATTACH(sc); 4900 #endif 4901 4902 #if defined(__NetBSD__) && NRND > 0 4903 rnd_attach_source(&sc->tulip_rndsource, sc->tulip_dev.dv_xname, 4904 RND_TYPE_NET); 4905 #endif 4906 } 4907 4908 static void 4909 tulip_initcsrs( 4910 tulip_softc_t * const sc, 4911 tulip_csrptr_t csr_base, 4912 size_t csr_size) 4913 { 4914 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4915 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4916 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4917 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4918 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4919 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4920 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4921 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4922 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4923 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4924 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4925 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4926 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4927 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4928 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4929 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4930 #if defined(TULIP_EISA) 4931 sc->tulip_csrs.csr_enetrom = csr_base + DE425_ENETROM_OFFSET; 4932 #endif 4933 } 4934 4935 static void 4936 tulip_initring( 4937 tulip_softc_t * const sc, 4938 tulip_ringinfo_t * const ri, 4939 tulip_desc_t *descs, 4940 int ndescs) 4941 { 4942 #if defined(__mips__) 4943 tulip_desc_t *xdesc = descs; 4944 /* 4945 * Someone moved the descriptors into the softc struct. 4946 * Avoid cache line conflicts by aligning on cache line. 4947 */ 4948 descs = (tulip_desc_t *)(roundup((int)descs, 16)); 4949 if(xdesc != descs) { 4950 ndescs--; 4951 } 4952 pci_sync_cache(sc->tulip_pc, (vm_offset_t)descs, ndescs * sizeof(tulip_desc_t)); 4953 descs = (tulip_desc_t *)TULIP_KVATOPHYS(sc, descs); 4954 descs = (tulip_desc_t *)PHYS_TO_UNCACHED((int)descs & 0x3fffffff); 4955 #endif 4956 #ifdef PPC_MPC106_BUG 4957 /* 4958 * This is a workaround for the powerpc MPC106 chip not snooping 4959 * accesses to the descriptor area correctly. 4960 */ 4961 tulip_desc_t *xdesc = descs; 4962 xdesc = (tulip_desc_t *)(roundup((int)descs, 32) - 4); 4963 if(xdesc < descs) { 4964 ndescs--; 4965 xdesc++; 4966 } 4967 descs = xdesc; 4968 #endif 4969 ri->ri_max = ndescs; 4970 ri->ri_first = descs; 4971 ri->ri_last = ri->ri_first + ri->ri_max; 4972 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4973 { 4974 tulip_desc_bitfield_t u; 4975 4976 u.f = DESC_BO( ri->ri_last[-1].u.f ); 4977 u.bd_flag = TULIP_DFLAG_ENDRING; 4978 ri->ri_last[-1].u.f = DESC_BO(u.f); 4979 } 4980 } 4981 4982 /* 4983 * This is the PCI configuration support. Since the 21040 is available 4984 * on both EISA and PCI boards, one must be careful in how defines the 4985 * 21040 in the config file. 4986 */ 4987 4988 #define PCI_CFID 0x00 /* Configuration ID */ 4989 #define PCI_CFCS 0x04 /* Configurtion Command/Status */ 4990 #define PCI_CFRV 0x08 /* Configuration Revision */ 4991 #define PCI_CFLT 0x0c /* Configuration Latency Timer */ 4992 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 4993 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 4994 #define PCI_CFIT 0x3c /* Configuration Interrupt */ 4995 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 4996 4997 #if defined(TULIP_EISA) 4998 static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 }; 4999 #endif 5000 5001 #if defined(__FreeBSD__) 5002 5003 #define TULIP_PCI_ATTACH_ARGS pcici_t config_id, int unit 5004 #define TULIP_SHUTDOWN_ARGS int howto, void * arg 5005 5006 #if defined(TULIP_DEVCONF) 5007 static void tulip_shutdown(TULIP_SHUTDOWN_ARGS); 5008 5009 static int 5010 tulip_pci_shutdown( 5011 struct kern_devconf * const kdc, 5012 int force) 5013 { 5014 if (kdc->kdc_unit < TULIP_MAX_DEVICES) { 5015 tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit); 5016 if (sc != NULL) 5017 tulip_shutdown(0, sc); 5018 } 5019 (void) dev_detach(kdc); 5020 return 0; 5021 } 5022 #endif 5023 5024 static char * 5025 tulip_pci_probe( 5026 pcici_t config_id, 5027 pcidi_t device_id) 5028 { 5029 if (PCI_VENDORID(device_id) != DEC_VENDORID) 5030 return NULL; 5031 if (PCI_CHIPID(device_id) == CHIPID_21040) 5032 return "Digital 21040 Ethernet"; 5033 if (PCI_CHIPID(device_id) == CHIPID_21041) 5034 return "Digital 21041 Ethernet"; 5035 if (PCI_CHIPID(device_id) == CHIPID_21140) { 5036 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5037 if (revinfo >= 0x20) 5038 return "Digital 21140A Fast Ethernet"; 5039 else 5040 return "Digital 21140 Fast Ethernet"; 5041 } 5042 if (PCI_CHIPID(device_id) == CHIPID_21142) { 5043 u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF; 5044 if (revinfo >= 0x20) 5045 return "Digital 21143 Fast Ethernet"; 5046 else 5047 return "Digital 21142 Fast Ethernet"; 5048 } 5049 return NULL; 5050 } 5051 5052 static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5053 static u_long tulip_pci_count; 5054 5055 struct pci_device dedevice = { 5056 "de", 5057 tulip_pci_probe, 5058 tulip_pci_attach, 5059 &tulip_pci_count, 5060 #if defined(TULIP_DEVCONF) 5061 tulip_pci_shutdown, 5062 #endif 5063 }; 5064 5065 DATA_SET (pcidevice_set, dedevice); 5066 #endif /* __FreeBSD__ */ 5067 5068 #if defined(__bsdi__) 5069 #define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5070 #define TULIP_SHUTDOWN_ARGS void *arg 5071 5072 static int 5073 tulip_pci_match( 5074 pci_devaddr_t *pa) 5075 { 5076 int irq; 5077 unsigned id; 5078 5079 id = pci_inl(pa, PCI_VENDOR_ID); 5080 if (PCI_VENDORID(id) != DEC_VENDORID) 5081 return 0; 5082 id = PCI_CHIPID(id); 5083 if (id != CHIPID_21040 && id != CHIPID_21041 5084 && id != CHIPID_21140 && id != CHIPID_21142) 5085 return 0; 5086 irq = pci_inl(pa, PCI_I_LINE) & 0xFF; 5087 if (irq == 0 || irq >= 16) { 5088 printf("de?: invalid IRQ %d; skipping\n", irq); 5089 return 0; 5090 } 5091 return 1; 5092 } 5093 5094 static int 5095 tulip_probe( 5096 struct device *parent, 5097 struct cfdata *cf, 5098 void *aux) 5099 { 5100 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5101 unsigned irq, slot; 5102 pci_devaddr_t *pa; 5103 5104 #if _BSDI_VERSION >= 199401 5105 switch (ia->ia_bustype) { 5106 case BUS_PCI: 5107 #endif 5108 pa = pci_scan(tulip_pci_match); 5109 if (pa == NULL) 5110 return 0; 5111 5112 irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF)); 5113 5114 /* Get the base address; assume the BIOS set it up correctly */ 5115 #if defined(TULIP_IOMAPPED) 5116 ia->ia_maddr = NULL; 5117 ia->ia_msize = 0; 5118 ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7; 5119 pci_outl(pa, PCI_CBIO, 0xFFFFFFFF); 5120 ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1; 5121 pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase); 5122 5123 /* Disable memory space access */ 5124 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2); 5125 #else 5126 ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7); 5127 pci_outl(pa, PCI_CBMA, 0xFFFFFFFF); 5128 ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1; 5129 pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr); 5130 ia->ia_iobase = 0; 5131 ia->ia_iosize = 0; 5132 5133 /* Disable I/O space access */ 5134 pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1); 5135 #endif /* TULIP_IOMAPPED */ 5136 5137 ia->ia_aux = (void *) pa; 5138 #if _BSDI_VERSION >= 199401 5139 break; 5140 5141 #if defined(TULIP_EISA) 5142 case BUS_EISA: { 5143 unsigned tmp; 5144 5145 if ((slot = eisa_match(cf, ia)) == 0) 5146 return 0; 5147 ia->ia_iobase = slot << 12; 5148 ia->ia_iosize = EISA_NPORT; 5149 eisa_slotalloc(slot); 5150 tmp = inb(ia->ia_iobase + DE425_CFG0); 5151 irq = tulip_eisa_irqs[(tmp >> 1) & 0x03]; 5152 /* 5153 * Until BSD/OS likes level interrupts, force 5154 * the DE425 into edge-triggered mode. 5155 */ 5156 if ((tmp & 1) == 0) 5157 outb(ia->ia_iobase + DE425_CFG0, tmp | 1); 5158 /* 5159 * CBIO needs to map to the EISA slot 5160 * enable I/O access and Master 5161 */ 5162 outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase); 5163 outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS)); 5164 ia->ia_aux = NULL; 5165 break; 5166 } 5167 #endif /* TULIP_EISA */ 5168 default: 5169 return 0; 5170 } 5171 #endif 5172 5173 /* PCI bus masters don't use host DMA channels */ 5174 ia->ia_drq = DRQNONE; 5175 5176 if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) { 5177 printf("de%d: error: desired IRQ of %d does not match device's " 5178 "actual IRQ of %d,\n", 5179 cf->cf_unit, 5180 ffs(ia->ia_irq) - 1, ffs(irq) - 1); 5181 return 0; 5182 } 5183 if (ia->ia_irq == IRQUNK) 5184 ia->ia_irq = irq; 5185 #ifdef IRQSHARE 5186 ia->ia_irq |= IRQSHARE; 5187 #endif 5188 return 1; 5189 } 5190 5191 static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5192 5193 #if defined(TULIP_EISA) 5194 static char *tulip_eisa_ids[] = { 5195 "DEC4250", 5196 NULL 5197 }; 5198 #endif 5199 5200 struct cfdriver decd = { 5201 0, "de", tulip_probe, tulip_pci_attach, 5202 #if _BSDI_VERSION >= 199401 5203 DV_IFNET, 5204 #endif 5205 sizeof(tulip_softc_t), 5206 #if defined(TULIP_EISA) 5207 tulip_eisa_ids 5208 #endif 5209 }; 5210 5211 #endif /* __bsdi__ */ 5212 5213 5214 #if defined(__NetBSD__) || defined(__OpenBSD__) 5215 #define TULIP_PCI_ATTACH_ARGS struct device * const parent, struct device * const self, void * const aux 5216 #define TULIP_SHUTDOWN_ARGS void *arg 5217 static int 5218 tulip_pci_probe( 5219 struct device *parent, 5220 #ifdef __BROKEN_INDIRECT_CONFIG 5221 void *match, 5222 #else 5223 struct cfdata *match, 5224 #endif 5225 void *aux) 5226 { 5227 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 5228 5229 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 5230 return 0; 5231 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 5232 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 5233 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 5234 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 5235 return 2; 5236 5237 return 0; 5238 } 5239 5240 static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS); 5241 5242 struct cfattach de_ca = { 5243 sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach 5244 }; 5245 5246 struct cfdriver de_cd = { 5247 0, "de", DV_IFNET 5248 }; 5249 5250 #endif /* __NetBSD__ */ 5251 5252 static void 5253 tulip_shutdown( 5254 TULIP_SHUTDOWN_ARGS) 5255 { 5256 tulip_softc_t * const sc = arg; 5257 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5258 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 5259 33MHz that comes to two microseconds but wait a 5260 bit longer anyways) */ 5261 } 5262 5263 static void 5264 tulip_pci_attach( 5265 TULIP_PCI_ATTACH_ARGS) 5266 { 5267 #if defined(__FreeBSD__) 5268 tulip_softc_t *sc; 5269 #define PCI_CONF_WRITE(r, v) pci_conf_write(config_id, (r), (v)) 5270 #define PCI_CONF_READ(r) pci_conf_read(config_id, (r)) 5271 #define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \ 5272 (sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */ 5273 #endif 5274 #if defined(__bsdi__) 5275 tulip_softc_t * const sc = (tulip_softc_t *) self; 5276 struct isa_attach_args * const ia = (struct isa_attach_args *) aux; 5277 pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux; 5278 const int unit = sc->tulip_dev.dv_unit; 5279 #define PCI_CONF_WRITE(r, v) pci_outl(pa, (r), (v)) 5280 #define PCI_CONF_READ(r) pci_inl(pa, (r)) 5281 #define PCI_GETBUSDEVINFO(sc) ((void)((sc)->tulip_pci_busno = pa->d_bus, \ 5282 (sc)->tulip_pci_devno = pa->d_agent)) 5283 #endif 5284 #if defined(__NetBSD__) || defined(__OpenBSD__) 5285 tulip_softc_t * const sc = (tulip_softc_t *) self; 5286 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 5287 const int unit = sc->tulip_dev.dv_unit; 5288 bus_space_tag_t iot, memt; 5289 bus_space_handle_t ioh, memh; 5290 int ioh_valid, memh_valid; 5291 #define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 5292 #define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 5293 #define PCI_GETBUSDEVINFO(sc) do { \ 5294 int busno, devno, funcno; \ 5295 pci_decompose_tag(pa->pa_pc, pa->pa_tag, &busno, &devno, &funcno); \ 5296 (sc)->tulip_pci_busno = busno; \ 5297 (sc)->tulip_pci_devno = devno; \ 5298 } while (0) 5299 #endif /* __NetBSD__ */ 5300 5301 int retval, idx; 5302 u_int32_t revinfo, cfdainfo, id; 5303 #if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__) 5304 vm_offset_t pa_csrs; 5305 #endif 5306 unsigned csroffset = TULIP_PCI_CSROFFSET; 5307 unsigned csrsize = TULIP_PCI_CSRSIZE; 5308 tulip_csrptr_t csr_base; 5309 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 5310 5311 if (unit >= TULIP_MAX_DEVICES) { 5312 #ifdef __FreeBSD__ 5313 printf("de%d", unit); 5314 #endif 5315 printf(": not configured; limit of %d reached or exceeded\n", 5316 TULIP_MAX_DEVICES); 5317 return; 5318 } 5319 5320 #if defined(__bsdi__) 5321 if (pa != NULL) { 5322 revinfo = pci_inl(pa, PCI_CFRV) & 0xFF; 5323 id = pci_inl(pa, PCI_CFID); 5324 cfdainfo = pci_inl(pa, PCI_CFDA); 5325 #if defined(TULIP_EISA) 5326 } else { 5327 revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF; 5328 csroffset = TULIP_EISA_CSROFFSET; 5329 csrsize = TULIP_EISA_CSRSIZE; 5330 chipid = TULIP_DE425; 5331 cfdainfo = 0; 5332 #endif /* TULIP_EISA */ 5333 } 5334 #else /* __bsdi__ */ 5335 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 5336 id = PCI_CONF_READ(PCI_CFID); 5337 cfdainfo = PCI_CONF_READ(PCI_CFDA); 5338 #endif /* __bsdi__ */ 5339 5340 if (PCI_VENDORID(id) == DEC_VENDORID) { 5341 if (PCI_CHIPID(id) == CHIPID_21040) 5342 chipid = TULIP_21040; 5343 else if (PCI_CHIPID(id) == CHIPID_21041) 5344 chipid = TULIP_21041; 5345 else if (PCI_CHIPID(id) == CHIPID_21140) 5346 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 5347 else if (PCI_CHIPID(id) == CHIPID_21142) 5348 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 5349 } 5350 5351 if (chipid == TULIP_CHIPID_UNKNOWN) 5352 return; 5353 5354 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 5355 #ifdef __FreeBSD__ 5356 printf("de%d", unit); 5357 #endif 5358 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 5359 revinfo >> 4, revinfo & 0x0f); 5360 return; 5361 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 5362 #ifndef __FreeBSD__ 5363 printf("\n"); 5364 #endif 5365 printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n", 5366 unit, revinfo >> 4, revinfo & 0x0f); 5367 return; 5368 } 5369 5370 #if defined(__FreeBSD__) 5371 sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT); 5372 if (sc == NULL) 5373 return; 5374 bzero(sc, sizeof(*sc)); /* Zero out the softc*/ 5375 #endif 5376 5377 PCI_GETBUSDEVINFO(sc); 5378 sc->tulip_chipid = chipid; 5379 sc->tulip_flags |= TULIP_DEVICEPROBE; 5380 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 5381 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 5382 if (chipid == TULIP_21140A && revinfo <= 0x22) 5383 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 5384 if (chipid == TULIP_21140) 5385 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 5386 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 5387 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 5388 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 5389 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 5390 if (chipid != TULIP_21041 || revinfo >= 0x20) 5391 sc->tulip_features |= TULIP_HAVE_SIANWAY; 5392 if (chipid != TULIP_21041) 5393 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 5394 if (chipid != TULIP_21041 && revinfo >= 0x20) 5395 sc->tulip_features |= TULIP_HAVE_SIA100; 5396 } 5397 5398 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 5399 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 5400 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 5401 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 5402 DELAY(11*1000); 5403 } 5404 5405 #if defined(__OpenBSD__) 5406 /* XXX - csapuntz@lcs.mit.edu 5407 OpenBSD + our PCI motherboard underflows consistently */ 5408 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 5409 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 5410 #endif 5411 5412 5413 #if defined(__alpha__) && defined(__NetBSD__) 5414 /* 5415 * The Alpha SRM console encodes a console set media in the driver 5416 * part of the CFDA register. Note that the Multia presents a 5417 * problem in that its BNC mode is really EXTSIA. So in that case 5418 * force a probe. 5419 */ 5420 switch ((cfdainfo >> 8) & 0xff) { 5421 case 1: media = chipid > TULIP_DE425 ? 5422 TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC; break; 5423 case 2: media = chipid > TULIP_DE425 ? 5424 TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN; break; 5425 case 3: media = TULIP_MEDIA_10BASET; break; 5426 case 4: media = TULIP_MEDIA_10BASET_FD; break; 5427 case 5: media = TULIP_MEDIA_100BASETX; break; 5428 case 6: media = TULIP_MEDIA_100BASETX_FD; break; 5429 } 5430 #endif 5431 5432 #if defined(__NetBSD__) || defined(__OpenBSD__) 5433 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 5434 sc->tulip_if.if_softc = sc; 5435 sc->tulip_pc = pa->pa_pc; 5436 #else 5437 sc->tulip_unit = unit; 5438 sc->tulip_name = "de"; 5439 #endif 5440 sc->tulip_revinfo = revinfo; 5441 #if defined(__FreeBSD__) 5442 #if BSD >= 199506 5443 sc->tulip_if.if_softc = sc; 5444 #endif 5445 #if defined(TULIP_IOMAPPED) 5446 retval = pci_map_port(config_id, PCI_CBIO, &csr_base); 5447 #else 5448 retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs); 5449 #endif 5450 if (!retval) { 5451 free((caddr_t) sc, M_DEVBUF); 5452 return; 5453 } 5454 tulips[unit] = sc; 5455 #endif /* __FreeBSD__ */ 5456 5457 #if defined(__bsdi__) 5458 sc->tulip_pf = printf; 5459 #if defined(TULIP_IOMAPPED) 5460 csr_base = ia->ia_iobase; 5461 #else 5462 csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize); 5463 #endif 5464 #endif /* __bsdi__ */ 5465 5466 #if defined(__NetBSD__) || defined(__OpenBSD__) 5467 csr_base = 0; 5468 5469 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 5470 &iot, &ioh, NULL, NULL, 0) == 0); 5471 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 5472 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 5473 &memt, &memh, NULL, NULL, 0) == 0); 5474 #endif 5475 5476 #if defined(__OpenBSD__) || defined(__NetBSD__) 5477 #if defined(TULIP_IOMAPPED) 5478 if (ioh_valid) { 5479 sc->tulip_bustag = iot; 5480 sc->tulip_bushandle = ioh; 5481 } else if (memh_valid) { 5482 sc->tulip_bustag = memt; 5483 sc->tulip_bushandle = memh; 5484 } 5485 #else /* defined(TULIP_IOMAPPED) */ 5486 if (memh_valid) { 5487 sc->tulip_bustag = memt; 5488 sc->tulip_bushandle = memh; 5489 } else if (ioh_valid) { 5490 sc->tulip_bustag = iot; 5491 sc->tulip_bushandle = ioh; 5492 } 5493 #endif /* TULIP_IOMAPPED */ 5494 else { 5495 printf(": unable to map device registers\n"); 5496 return; 5497 } 5498 #endif /* __NetBSD__ */ 5499 5500 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 5501 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 5502 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 5503 5504 /* 5505 * Make sure there won't be any interrupts or such... 5506 */ 5507 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 5508 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 5509 33MHz that comes to two microseconds but wait a 5510 bit longer anyways) */ 5511 5512 if ((retval = tulip_read_macaddr(sc)) < 0) { 5513 #if defined(__FreeBSD__) 5514 printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS); 5515 #endif 5516 printf(": can't read ENET ROM (why=%d) (", retval); 5517 for (idx = 0; idx < 32; idx++) 5518 printf("%02x", sc->tulip_rombuf[idx]); 5519 printf("\n"); 5520 printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d address unknown", 5521 TULIP_PRINTF_ARGS, 5522 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid], 5523 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 5524 } else { 5525 tulip_spl_t s; 5526 tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal; 5527 5528 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 5529 intr_rtn = tulip_intr_shared; 5530 5531 #if defined(__NetBSD__) || defined(__OpenBSD__) 5532 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5533 pci_intr_handle_t intrhandle; 5534 const char *intrstr; 5535 5536 if (pci_intr_map(pa, &intrhandle)) { 5537 printf(", couldn't map interrupt\n"); 5538 return; 5539 } 5540 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 5541 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 5542 intr_rtn, sc, self->dv_xname); 5543 if (sc->tulip_ih == NULL) { 5544 printf(", couldn't establish interrupt"); 5545 if (intrstr != NULL) 5546 printf(" at %s", intrstr); 5547 printf("\n"); 5548 return; 5549 } 5550 printf(": %s", intrstr); 5551 } 5552 printf("\n"); 5553 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 5554 if (sc->tulip_ats == NULL) 5555 printf("%s: warning: couldn't establish shutdown hook\n", 5556 sc->tulip_xname); 5557 #endif 5558 #if defined(__FreeBSD__) 5559 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5560 if (!pci_map_int (config_id, intr_rtn, (void *) sc, &net_imask)) { 5561 printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n", 5562 TULIP_PRINTF_ARGS); 5563 return; 5564 } 5565 } 5566 #if !defined(TULIP_DEVCONF) 5567 at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC); 5568 #endif 5569 #endif 5570 #if defined(__bsdi__) 5571 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 5572 isa_establish(&sc->tulip_id, &sc->tulip_dev); 5573 5574 sc->tulip_ih.ih_fun = intr_rtn; 5575 sc->tulip_ih.ih_arg = (void *) sc; 5576 intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET); 5577 } 5578 5579 sc->tulip_ats.func = tulip_shutdown; 5580 sc->tulip_ats.arg = (void *) sc; 5581 atshutdown(&sc->tulip_ats, ATSH_ADD); 5582 #endif 5583 #if defined(TULIP_USE_SOFTINTR) 5584 if (sc->tulip_unit > tulip_softintr_max_unit) 5585 tulip_softintr_max_unit = sc->tulip_unit; 5586 #endif 5587 5588 s = TULIP_RAISESPL(); 5589 tulip_reset(sc); 5590 tulip_attach(sc); 5591 #if defined(__alpha__) && defined(__NetBSD__) 5592 if (media != TULIP_MEDIA_UNKNOWN) 5593 tulip_linkup(sc, media); 5594 #endif 5595 TULIP_RESTORESPL(s); 5596 } 5597 } 5598