1 /* $OpenBSD: if_de.c,v 1.101 2008/11/28 02:44:17 brad Exp $ */ 2 /* $NetBSD: if_de.c,v 1.58 1998/01/12 09:39:58 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 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/protosw.h> 45 #include <sys/socket.h> 46 #include <sys/ioctl.h> 47 #include <sys/errno.h> 48 #include <sys/malloc.h> 49 #include <sys/kernel.h> 50 #include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */ 51 #include <sys/device.h> 52 #include <sys/timeout.h> 53 54 #include <net/if.h> 55 #include <net/if_media.h> 56 #include <net/if_types.h> 57 #include <net/if_dl.h> 58 #include <net/route.h> 59 #include <net/netisr.h> 60 61 #include "bpfilter.h" 62 #if NBPFILTER > 0 63 #include <net/bpf.h> 64 #endif 65 66 #ifdef INET 67 #include <netinet/in.h> 68 #include <netinet/in_systm.h> 69 #include <netinet/in_var.h> 70 #include <netinet/ip.h> 71 #endif 72 73 #include <netinet/if_ether.h> 74 75 #include <machine/bus.h> 76 #include <machine/intr.h> 77 #include <dev/pci/pcireg.h> 78 #include <dev/pci/pcivar.h> 79 #include <dev/pci/pcidevs.h> 80 #include <dev/ic/dc21040reg.h> 81 82 /* 83 * Intel CPUs should use I/O mapped access. 84 */ 85 #if defined(__i386__) 86 #define TULIP_IOMAPPED 87 #endif 88 89 #define TULIP_HZ 10 90 91 #define TULIP_SIAGEN_WATCHDOG 0 92 93 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 94 95 #define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 96 #define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 97 98 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 99 #define tulip_srom_crcok(databuf) ( \ 100 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 101 ((databuf)[126] | ((databuf)[127] << 8))) 102 103 /* 104 * This is the PCI configuration support. Since the 21040 is available 105 * on both EISA and PCI boards, one must be careful in how defines the 106 * 21040 in the config file. 107 */ 108 109 #define PCI_CFID 0x00 /* Configuration ID */ 110 #define PCI_CFCS 0x04 /* Configurtion Command/Status */ 111 #define PCI_CFRV 0x08 /* Configuration Revision */ 112 #define PCI_CFLT 0x0c /* Configuration Latency Timer */ 113 #define PCI_CBIO 0x10 /* Configuration Base IO Address */ 114 #define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 115 #define PCI_CFIT 0x3c /* Configuration Interrupt */ 116 #define PCI_CFDA 0x40 /* Configuration Driver Area */ 117 118 #define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 119 #define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 120 #define PCI_GETBUSDEVINFO(sc) do { \ 121 (sc)->tulip_pci_busno = parent; \ 122 (sc)->tulip_pci_devno = pa->pa_device; \ 123 } while (0) 124 125 #include <dev/pci/if_devar.h> 126 /* 127 * This module supports 128 * the DEC 21040 PCI Ethernet Controller. 129 * the DEC 21041 PCI Ethernet Controller. 130 * the DEC 21140 PCI Fast Ethernet Controller. 131 */ 132 int tulip_probe(struct device *parent, void *match, void *aux); 133 void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 134 135 struct cfattach de_ca = { 136 sizeof(tulip_softc_t), tulip_probe, tulip_attach 137 }; 138 139 struct cfdriver de_cd = { 140 0, "de", DV_IFNET 141 }; 142 143 void tulip_timeout_callback(void *arg); 144 void tulip_timeout(tulip_softc_t * const sc); 145 int tulip_txprobe(tulip_softc_t * const sc); 146 void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 147 void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 148 void tulip_media_print(tulip_softc_t * const sc); 149 tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 150 void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 151 void tulip_media_select(tulip_softc_t * const sc); 152 153 void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 154 void tulip_21040_media_probe(tulip_softc_t * const sc); 155 void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 156 void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 157 void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 158 void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 159 160 void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 161 void tulip_21041_media_probe(tulip_softc_t * const sc); 162 void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 163 164 tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 165 unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 166 int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 167 void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 168 169 void tulip_2114x_media_preset(tulip_softc_t * const sc); 170 171 void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 172 173 void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 174 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 175 void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 176 void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 177 void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 178 void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 179 void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 180 181 void tulip_2114x_media_probe(tulip_softc_t * const sc); 182 183 void tulip_delay_300ns(tulip_softc_t * const sc); 184 void tulip_srom_idle(tulip_softc_t * const sc); 185 void tulip_srom_read(tulip_softc_t * const sc); 186 void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 187 void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 188 unsigned tulip_mii_readbits(tulip_softc_t * const sc); 189 unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 190 void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 191 unsigned data); 192 193 void tulip_identify_dec_nic(tulip_softc_t * const sc); 194 void tulip_identify_znyx_nic(tulip_softc_t * const sc); 195 void tulip_identify_smc_nic(tulip_softc_t * const sc); 196 void tulip_identify_cogent_nic(tulip_softc_t * const sc); 197 void tulip_identify_accton_nic(tulip_softc_t * const sc); 198 void tulip_identify_asante_nic(tulip_softc_t * const sc); 199 void tulip_identify_compex_nic(tulip_softc_t * const sc); 200 201 int tulip_srom_decode(tulip_softc_t * const sc); 202 int tulip_read_macaddr(tulip_softc_t * const sc); 203 void tulip_ifmedia_add(tulip_softc_t * const sc); 204 int tulip_ifmedia_change(struct ifnet * const ifp); 205 void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 206 void tulip_addr_filter(tulip_softc_t * const sc); 207 void tulip_reset(tulip_softc_t * const sc); 208 void tulip_init(tulip_softc_t * const sc); 209 void tulip_rx_intr(tulip_softc_t * const sc); 210 int tulip_tx_intr(tulip_softc_t * const sc); 211 void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 212 void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 213 int tulip_intr_shared(void *arg); 214 int tulip_intr_normal(void *arg); 215 struct mbuf *tulip_mbuf_compress(struct mbuf *m); 216 struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 217 void tulip_txput_setup(tulip_softc_t * const sc); 218 int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 219 void tulip_ifstart(struct ifnet *ifp); 220 void tulip_ifstart_one(struct ifnet *ifp); 221 void tulip_ifwatchdog(struct ifnet *ifp); 222 int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 223 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 224 int tulip_busdma_init(tulip_softc_t * const sc); 225 void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 226 void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 227 tulip_desc_t *descs, int ndescs); 228 void tulip_shutdown(void *arg); 229 230 231 void 232 tulip_timeout_callback(void *arg) 233 { 234 tulip_softc_t * const sc = arg; 235 int s; 236 237 s = splnet(); 238 239 TULIP_PERFSTART(timeout) 240 241 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 242 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 243 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 244 245 TULIP_PERFEND(timeout); 246 splx(s); 247 } 248 249 void 250 tulip_timeout(tulip_softc_t * const sc) 251 { 252 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 253 return; 254 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 255 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 256 } 257 258 int 259 tulip_txprobe(tulip_softc_t * const sc) 260 { 261 struct mbuf *m; 262 263 /* 264 * Before we are sure this is the right media we need 265 * to send a small packet to make sure there's carrier. 266 * Strangely, BNC and AUI will "see" receive data if 267 * either is connected so the transmit is the only way 268 * to verify the connectivity. 269 */ 270 MGETHDR(m, M_DONTWAIT, MT_DATA); 271 if (m == NULL) 272 return (0); 273 /* 274 * Construct a LLC TEST message which will point to ourselves. 275 */ 276 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 277 ETHER_ADDR_LEN); 278 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 279 ETHER_ADDR_LEN); 280 mtod(m, struct ether_header *)->ether_type = htons(3); 281 mtod(m, unsigned char *)[14] = 0; 282 mtod(m, unsigned char *)[15] = 0; 283 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 284 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 285 /* 286 * send it! 287 */ 288 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 289 sc->tulip_intrmask |= TULIP_STS_TXINTR; 290 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 291 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 292 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 293 if ((m = tulip_txput(sc, m)) != NULL) 294 m_freem(m); 295 sc->tulip_probe.probe_txprobes++; 296 return (1); 297 } 298 299 void 300 tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 301 { 302 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 303 304 if (mi == NULL) 305 return; 306 307 /* Reset the SIA first 308 */ 309 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 310 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 311 312 /* Next, set full duplex if needed. 313 */ 314 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 315 #ifdef TULIP_DEBUG 316 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 317 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 318 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 319 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 320 TULIP_PRINTF_ARGS); 321 #endif 322 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 323 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 324 } 325 326 /* Now setup the media. 327 * 328 * If we are switching media, make sure we don't think there's 329 * any stale RX activity 330 */ 331 sc->tulip_flags &= ~TULIP_RXACT; 332 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 333 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 334 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 335 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 336 DELAY(50); 337 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 338 } else 339 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 340 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 341 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 342 /* 343 * If the cmdmode bits don't match the currently operating mode, 344 * set the cmdmode appropriately and reset the chip. 345 */ 346 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 347 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 348 sc->tulip_cmdmode |= mi->mi_cmdmode; 349 tulip_reset(sc); 350 } 351 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 352 DELAY(10); 353 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 354 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 355 /* 356 * If the cmdmode bits don't match the currently operating mode, 357 * set the cmdmode appropriately and reset the chip. 358 */ 359 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 360 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 361 sc->tulip_cmdmode |= mi->mi_cmdmode; 362 tulip_reset(sc); 363 } 364 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 365 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 366 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 367 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 368 int idx; 369 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 370 const u_int8_t *dp; 371 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 372 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 373 DELAY(10); 374 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 375 } 376 sc->tulip_phyaddr = mi->mi_phyaddr; 377 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 378 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 379 DELAY(10); 380 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 381 } 382 } else { 383 for (idx = 0; idx < mi->mi_reset_length; idx++) { 384 DELAY(10); 385 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 386 } 387 sc->tulip_phyaddr = mi->mi_phyaddr; 388 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 389 DELAY(10); 390 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 391 } 392 } 393 394 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 395 /* Set the SIA port into MII mode */ 396 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 397 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 398 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 399 } 400 401 if (sc->tulip_flags & TULIP_TRYNWAY) 402 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 403 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 404 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 405 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 406 sc->tulip_flags &= ~TULIP_DIDNWAY; 407 if (TULIP_IS_MEDIA_FD(media)) 408 data |= PHYCTL_FULL_DUPLEX; 409 if (TULIP_IS_MEDIA_100MB(media)) 410 data |= PHYCTL_SELECT_100MB; 411 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 412 } 413 } 414 } 415 416 void 417 tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 418 { 419 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 420 sc->tulip_flags |= TULIP_PRINTLINKUP; 421 sc->tulip_flags |= TULIP_LINKUP; 422 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 423 if (sc->tulip_media != media) { 424 #ifdef TULIP_DEBUG 425 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 426 #endif 427 sc->tulip_media = media; 428 sc->tulip_flags |= TULIP_PRINTMEDIA; 429 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 430 sc->tulip_flags |= TULIP_FULLDUPLEX; 431 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 432 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 433 } 434 /* 435 * We could set probe_timeout to 0 but setting to 3000 puts this 436 * in one central place and the only matters is tulip_link is 437 * followed by a tulip_timeout. Therefore setting it should not 438 * result in aberrant behavour. 439 */ 440 sc->tulip_probe_timeout = 3000; 441 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 442 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 443 if (sc->tulip_flags & TULIP_INRESET) 444 tulip_media_set(sc, sc->tulip_media); 445 else if (sc->tulip_probe_media != sc->tulip_media) { 446 /* 447 * No reason to change media if we have the right media. 448 */ 449 tulip_reset(sc); 450 } 451 tulip_init(sc); 452 } 453 454 void 455 tulip_media_print(tulip_softc_t * const sc) 456 { 457 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 458 return; 459 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 460 #ifdef TULIP_DEBUG 461 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 462 TULIP_PRINTF_ARGS, 463 tulip_mediums[sc->tulip_media]); 464 #endif 465 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 466 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 467 #ifdef TULIP_DEBUG 468 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 469 #endif 470 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 471 } 472 } 473 474 tulip_link_status_t 475 tulip_media_link_monitor(tulip_softc_t * const sc) 476 { 477 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 478 tulip_link_status_t linkup = TULIP_LINK_DOWN; 479 480 if (mi == NULL) { 481 #if defined(TULIP_DEBUG) 482 printf("tulip_media_link_monitor: %s: botch at line %d\n", 483 tulip_mediums[sc->tulip_media],__LINE__); 484 #endif 485 return (TULIP_LINK_UNKNOWN); 486 } 487 488 489 /* 490 * Have we seen some packets? If so, the link must be good. 491 */ 492 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 493 sc->tulip_flags &= ~TULIP_RXACT; 494 sc->tulip_probe_timeout = 3000; 495 return (TULIP_LINK_UP); 496 } 497 498 sc->tulip_flags &= ~TULIP_RXACT; 499 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 500 u_int32_t status; 501 /* 502 * Read the PHY status register. 503 */ 504 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 505 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 506 if (status & PHYSTS_AUTONEG_DONE) { 507 /* 508 * If the PHY has completed autonegotiation, see the if the 509 * remote systems abilities have changed. If so, upgrade or 510 * downgrade as appropriate. 511 */ 512 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 513 abilities = (abilities << 6) & status; 514 if (abilities != sc->tulip_abilities) { 515 #if defined(TULIP_DEBUG) 516 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 517 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 518 sc->tulip_abilities, abilities); 519 #endif 520 if (tulip_mii_map_abilities(sc, abilities)) { 521 tulip_linkup(sc, sc->tulip_probe_media); 522 return (TULIP_LINK_UP); 523 } 524 /* 525 * if we had selected media because of autonegotiation, 526 * we need to probe for the new media. 527 */ 528 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 529 if (sc->tulip_flags & TULIP_DIDNWAY) 530 return (TULIP_LINK_DOWN); 531 } 532 } 533 /* 534 * The link is now up. If was down, say its back up. 535 */ 536 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 537 linkup = TULIP_LINK_UP; 538 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 539 /* 540 * No activity sensor? Assume all's well. 541 */ 542 if (mi->mi_actmask == 0) 543 return (TULIP_LINK_UNKNOWN); 544 /* 545 * Does the activity data match? 546 */ 547 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 548 linkup = TULIP_LINK_UP; 549 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 550 /* 551 * Assume non TP ok for now. 552 */ 553 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 554 return (TULIP_LINK_UNKNOWN); 555 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 556 linkup = TULIP_LINK_UP; 557 #if defined(TULIP_DEBUG) 558 if (sc->tulip_probe_timeout <= 0) 559 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 560 #endif 561 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 562 return (TULIP_LINK_UNKNOWN); 563 /* 564 * We will wait for 3 seconds until the link goes into suspect mode. 565 */ 566 if (sc->tulip_flags & TULIP_LINKUP) { 567 if (linkup == TULIP_LINK_UP) 568 sc->tulip_probe_timeout = 3000; 569 if (sc->tulip_probe_timeout > 0) 570 return (TULIP_LINK_UP); 571 572 sc->tulip_flags &= ~TULIP_LINKUP; 573 } 574 #if defined(TULIP_DEBUG) 575 sc->tulip_dbg.dbg_link_downed++; 576 #endif 577 return (TULIP_LINK_DOWN); 578 } 579 580 void 581 tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 582 { 583 #if defined(TULIP_DEBUG) 584 sc->tulip_dbg.dbg_events[event]++; 585 #endif 586 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 587 && event == TULIP_MEDIAPOLL_TIMER) { 588 switch (tulip_media_link_monitor(sc)) { 589 case TULIP_LINK_DOWN: { 590 /* 591 * Link Monitor failed. Probe for new media. 592 */ 593 event = TULIP_MEDIAPOLL_LINKFAIL; 594 break; 595 } 596 case TULIP_LINK_UP: { 597 /* 598 * Check again soon. 599 */ 600 tulip_timeout(sc); 601 return; 602 } 603 case TULIP_LINK_UNKNOWN: { 604 /* 605 * We can't tell so don't bother. 606 */ 607 return; 608 } 609 } 610 } 611 612 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 613 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 614 if (TULIP_DO_AUTOSENSE(sc)) { 615 #if defined(TULIP_DEBUG) 616 sc->tulip_dbg.dbg_link_failures++; 617 #endif 618 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 619 if (sc->tulip_if.if_flags & IFF_UP) 620 tulip_reset(sc); /* restart probe */ 621 } 622 return; 623 } 624 #if defined(TULIP_DEBUG) 625 sc->tulip_dbg.dbg_link_pollintrs++; 626 #endif 627 } 628 629 if (event == TULIP_MEDIAPOLL_START) { 630 sc->tulip_if.if_flags |= IFF_OACTIVE; 631 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 632 return; 633 sc->tulip_probe_mediamask = 0; 634 sc->tulip_probe_passes = 0; 635 #if defined(TULIP_DEBUG) 636 sc->tulip_dbg.dbg_media_probes++; 637 #endif 638 /* 639 * If the SROM contained an explicit media to use, use it. 640 */ 641 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 642 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 643 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 644 /* 645 * connidx is defaulted to a media_unknown type. 646 */ 647 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 648 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 649 tulip_linkup(sc, sc->tulip_probe_media); 650 tulip_timeout(sc); 651 return; 652 } 653 654 if (sc->tulip_features & TULIP_HAVE_GPR) { 655 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 656 sc->tulip_probe_timeout = 2000; 657 } else { 658 sc->tulip_probe_media = TULIP_MEDIA_MAX; 659 sc->tulip_probe_timeout = 0; 660 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 661 } 662 } 663 664 /* 665 * Ignore txprobe failures or spurious callbacks. 666 */ 667 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 668 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 669 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 670 return; 671 } 672 673 /* 674 * If we really transmitted a packet, then that's the media we'll use. 675 */ 676 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 677 if (event == TULIP_MEDIAPOLL_LINKPASS) { 678 /* XXX Check media status just to be sure */ 679 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 680 #if defined(TULIP_DEBUG) 681 } else { 682 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 683 #endif 684 } 685 tulip_linkup(sc, sc->tulip_probe_media); 686 tulip_timeout(sc); 687 return; 688 } 689 690 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 691 /* 692 * Brute force. We cycle through each of the media types 693 * and try to transmit a packet. 694 */ 695 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 696 sc->tulip_probe_media = TULIP_MEDIA_MAX; 697 sc->tulip_probe_timeout = 0; 698 tulip_timeout(sc); 699 return; 700 } 701 702 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 703 && (sc->tulip_features & TULIP_HAVE_MII)) { 704 tulip_media_t old_media = sc->tulip_probe_media; 705 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 706 switch (sc->tulip_probe_state) { 707 case TULIP_PROBE_FAILED: 708 case TULIP_PROBE_MEDIATEST: { 709 /* 710 * Try the next media. 711 */ 712 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 713 sc->tulip_probe_timeout = 0; 714 break; 715 } 716 case TULIP_PROBE_PHYAUTONEG: { 717 return; 718 } 719 case TULIP_PROBE_INACTIVE: { 720 /* 721 * Only probe if we autonegotiated a media that hasn't failed. 722 */ 723 sc->tulip_probe_timeout = 0; 724 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 725 sc->tulip_probe_media = old_media; 726 break; 727 } 728 tulip_linkup(sc, sc->tulip_probe_media); 729 tulip_timeout(sc); 730 return; 731 } 732 default: { 733 #if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 734 printf("tulip_media_poll: botch at line %d\n", __LINE__); 735 #endif 736 break; 737 } 738 } 739 } 740 741 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 742 #if defined(TULIP_DEBUG) 743 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 744 #endif 745 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 746 return; 747 } 748 749 /* 750 * Switch to another media if we tried this one enough. 751 */ 752 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 753 #if defined(TULIP_DEBUG) 754 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 755 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 756 TULIP_PRINTF_ARGS); 757 sc->tulip_probe_media = TULIP_MEDIA_MAX; 758 } 759 #endif 760 /* 761 * Find the next media type to check for. Full Duplex 762 * types are not allowed. 763 */ 764 do { 765 sc->tulip_probe_media -= 1; 766 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 767 if (++sc->tulip_probe_passes == 3) { 768 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 769 sc->tulip_if.if_flags &= ~IFF_RUNNING; 770 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 771 return; 772 } 773 } 774 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 775 sc->tulip_probe_mediamask = 0; 776 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 777 } 778 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 779 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 780 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 781 782 #if defined(TULIP_DEBUG) 783 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 784 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 785 tulip_mediums[sc->tulip_probe_media]); 786 #endif 787 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 788 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 789 sc->tulip_probe.probe_txprobes = 0; 790 tulip_reset(sc); 791 tulip_media_set(sc, sc->tulip_probe_media); 792 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 793 } 794 tulip_timeout(sc); 795 796 /* 797 * If this is hanging off a phy, we know are doing NWAY and we have 798 * forced the phy to a specific speed. Wait for link up before 799 * before sending a packet. 800 */ 801 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 802 case TULIP_MEDIAINFO_MII: { 803 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 804 return; 805 break; 806 } 807 case TULIP_MEDIAINFO_SIA: { 808 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 809 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 810 return; 811 tulip_linkup(sc, sc->tulip_probe_media); 812 return; 813 } 814 break; 815 } 816 case TULIP_MEDIAINFO_RESET: 817 case TULIP_MEDIAINFO_SYM: 818 case TULIP_MEDIAINFO_NONE: 819 case TULIP_MEDIAINFO_GPR: { 820 break; 821 } 822 } 823 /* 824 * Try to send a packet. 825 */ 826 tulip_txprobe(sc); 827 } 828 829 void 830 tulip_media_select(tulip_softc_t * const sc) 831 { 832 if (sc->tulip_features & TULIP_HAVE_GPR) { 833 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 834 DELAY(10); 835 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 836 } 837 /* 838 * If this board has no media, just return 839 */ 840 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 841 return; 842 843 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 844 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 845 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 846 } else 847 tulip_media_set(sc, sc->tulip_media); 848 } 849 850 void 851 tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 852 { 853 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 854 |TULIP_CMD_BACKOFFCTR; 855 sc->tulip_if.if_baudrate = 10000000; 856 857 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 858 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 859 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 860 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 861 } 862 863 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 864 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 865 866 if (media == TULIP_MEDIA_UNKNOWN) 867 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 868 } 869 870 void 871 tulip_21040_media_probe(tulip_softc_t * const sc) 872 { 873 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 874 } 875 876 void 877 tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 878 { 879 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 880 tulip_media_set(sc, TULIP_MEDIA_10BASET); 881 sc->tulip_media = TULIP_MEDIA_10BASET; 882 } 883 884 void 885 tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 886 { 887 sc->tulip_flags |= TULIP_LINKUP; 888 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 889 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 890 sc->tulip_flags &= ~TULIP_SQETEST; 891 } else { 892 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 893 sc->tulip_flags |= TULIP_SQETEST; 894 } 895 tulip_media_set(sc, sc->tulip_media); 896 } 897 898 void 899 tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 900 { 901 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 902 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 903 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 904 sc->tulip_media = TULIP_MEDIA_AUIBNC; 905 } 906 907 void 908 tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 909 { 910 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 911 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 912 } 913 914 static const tulip_boardsw_t tulip_21040_boardsw = { 915 TULIP_21040_GENERIC, 916 tulip_21040_media_probe, 917 tulip_media_select, 918 tulip_media_poll, 919 }; 920 921 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 922 TULIP_21040_GENERIC, 923 tulip_21040_10baset_only_media_probe, 924 tulip_21040_10baset_only_media_select, 925 NULL, 926 }; 927 928 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 929 TULIP_21040_GENERIC, 930 tulip_21040_auibnc_only_media_probe, 931 tulip_21040_auibnc_only_media_select, 932 NULL, 933 }; 934 935 void 936 tulip_21041_mediainfo_init(tulip_softc_t * const sc) 937 { 938 tulip_media_info_t * const mi = sc->tulip_mediainfo; 939 940 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 941 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 942 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 943 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 944 } 945 946 void 947 tulip_21041_media_probe(tulip_softc_t * const sc) 948 { 949 sc->tulip_if.if_baudrate = 10000000; 950 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 951 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 952 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 953 tulip_21041_mediainfo_init(sc); 954 } 955 956 void 957 tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 958 { 959 u_int32_t sia_status; 960 961 #if defined(TULIP_DEBUG) 962 sc->tulip_dbg.dbg_events[event]++; 963 #endif 964 965 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 966 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 967 || !TULIP_DO_AUTOSENSE(sc)) 968 return; 969 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 970 tulip_reset(sc); /* start probe */ 971 return; 972 } 973 974 /* 975 * If we've been been asked to start a poll or link change interrupt 976 * restart the probe (and reset the tulip to a known state). 977 */ 978 if (event == TULIP_MEDIAPOLL_START) { 979 sc->tulip_if.if_flags |= IFF_OACTIVE; 980 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 981 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 982 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 983 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 984 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 985 tulip_media_set(sc, TULIP_MEDIA_10BASET); 986 tulip_timeout(sc); 987 return; 988 } 989 990 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 991 return; 992 993 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 994 #if defined(TULIP_DEBUG) 995 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 996 #endif 997 tulip_linkup(sc, sc->tulip_probe_media); 998 return; 999 } 1000 1001 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1002 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1003 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1004 if (sc->tulip_revinfo >= 0x20) { 1005 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1006 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1007 } 1008 /* 1009 * If the link has passed LinkPass, 10baseT is the 1010 * proper media to use. 1011 */ 1012 tulip_linkup(sc, sc->tulip_probe_media); 1013 return; 1014 } 1015 1016 /* 1017 * wait for up to 2.4 seconds for the link to reach pass state. 1018 * Only then start scanning the other media for activity. 1019 * choose media with receive activity over those without. 1020 */ 1021 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1022 if (event != TULIP_MEDIAPOLL_TIMER) 1023 return; 1024 if (sc->tulip_probe_timeout > 0 1025 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1026 tulip_timeout(sc); 1027 return; 1028 } 1029 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1030 sc->tulip_flags |= TULIP_WANTRXACT; 1031 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1032 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1033 else 1034 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1035 tulip_media_set(sc, sc->tulip_probe_media); 1036 tulip_timeout(sc); 1037 return; 1038 } 1039 1040 /* 1041 * If we failed, clear the txprobe active flag. 1042 */ 1043 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1044 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1045 1046 1047 if (event == TULIP_MEDIAPOLL_TIMER) { 1048 /* 1049 * If we've received something, then that's our link! 1050 */ 1051 if (sc->tulip_flags & TULIP_RXACT) { 1052 tulip_linkup(sc, sc->tulip_probe_media); 1053 return; 1054 } 1055 /* 1056 * if no txprobe active 1057 */ 1058 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1059 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1060 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1061 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1062 tulip_txprobe(sc); 1063 tulip_timeout(sc); 1064 return; 1065 } 1066 /* 1067 * Take 2 passes through before deciding to not 1068 * wait for receive activity. Then take another 1069 * two passes before spitting out a warning. 1070 */ 1071 if (sc->tulip_probe_timeout <= 0) { 1072 if (sc->tulip_flags & TULIP_WANTRXACT) { 1073 sc->tulip_flags &= ~TULIP_WANTRXACT; 1074 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1075 } else { 1076 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1077 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1078 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1079 return; 1080 } 1081 } 1082 } 1083 } 1084 1085 /* 1086 * Since this media failed to probe, try the other one. 1087 */ 1088 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1089 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1090 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1091 else 1092 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1093 tulip_media_set(sc, sc->tulip_probe_media); 1094 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1095 tulip_timeout(sc); 1096 } 1097 1098 static const tulip_boardsw_t tulip_21041_boardsw = { 1099 TULIP_21041_GENERIC, 1100 tulip_21041_media_probe, 1101 tulip_media_select, 1102 tulip_21041_media_poll 1103 }; 1104 1105 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1106 { 0x20005c00, 0, /* 08-00-17 */ 1107 { 1108 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1109 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1110 }, 1111 #if defined(TULIP_DEBUG) 1112 "NS DP83840", 1113 #endif 1114 }, 1115 { 0x0281F400, 0, /* 00-A0-7D */ 1116 { 1117 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1118 { 0 }, /* 100TX */ 1119 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1120 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1121 }, 1122 #if defined(TULIP_DEBUG) 1123 "Seeq 80C240" 1124 #endif 1125 }, 1126 { 0x0281F400, 3, /* 00-A0-7D */ 1127 { 1128 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1129 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1130 { 0 }, /* 100T4 */ 1131 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1132 }, 1133 #if defined(TULIP_DEBUG) 1134 "Seeq 80225" 1135 #endif 1136 }, 1137 { 0x0281F400, 0, /* 00-A0-BE */ 1138 { 1139 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1140 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1141 { 0 }, /* 100T4 */ 1142 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1143 }, 1144 #if defined(TULIP_DEBUG) 1145 "ICS 1890" 1146 #endif 1147 }, 1148 { 0x78100000, 0, /* 00-A0-CC */ 1149 { 1150 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1151 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1152 { 0 }, /* 100T4 */ 1153 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1154 }, 1155 #if defined(TULIP_DEBUG) 1156 "LEVEL1 LXT970" 1157 #endif 1158 }, 1159 { 0 } 1160 }; 1161 1162 tulip_media_t 1163 tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1164 { 1165 const tulip_phy_attr_t *attr; 1166 u_int16_t data; 1167 u_int32_t id; 1168 unsigned idx = 0; 1169 static const tulip_media_t table[] = { 1170 TULIP_MEDIA_UNKNOWN, 1171 TULIP_MEDIA_10BASET, 1172 TULIP_MEDIA_100BASETX, 1173 TULIP_MEDIA_100BASET4, 1174 TULIP_MEDIA_UNKNOWN, 1175 TULIP_MEDIA_10BASET_FD, 1176 TULIP_MEDIA_100BASETX_FD, 1177 TULIP_MEDIA_UNKNOWN 1178 }; 1179 1180 /* 1181 * Don't read phy specific registers if link is not up. 1182 */ 1183 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1184 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1185 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1186 return (TULIP_MEDIA_UNKNOWN); 1187 1188 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1189 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1190 for (attr = tulip_mii_phy_attrlist;; attr++) { 1191 if (attr->attr_id == 0) 1192 return (TULIP_MEDIA_UNKNOWN); 1193 if ((id & ~0x0F) == attr->attr_id) 1194 break; 1195 } 1196 1197 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1198 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1199 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1200 if ((data & pm->pm_mask) == pm->pm_value) 1201 idx = 2; 1202 } 1203 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1204 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1205 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1206 if ((data & pm->pm_mask) == pm->pm_value) 1207 idx = 3; 1208 } 1209 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1210 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1211 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1212 if ((data & pm->pm_mask) == pm->pm_value) 1213 idx = 1; 1214 } 1215 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1216 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1217 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1218 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1219 } 1220 return (table[idx]); 1221 } 1222 1223 unsigned 1224 tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1225 { 1226 unsigned phyaddr; 1227 1228 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1229 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1230 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1231 continue; 1232 if (offset == 0) 1233 return (phyaddr); 1234 offset--; 1235 } 1236 if (offset == 0) { 1237 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1238 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1239 return (TULIP_MII_NOPHY); 1240 return (0); 1241 } 1242 return (TULIP_MII_NOPHY); 1243 } 1244 1245 int 1246 tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1247 { 1248 sc->tulip_abilities = abilities; 1249 if (abilities & PHYSTS_100BASETX_FD) 1250 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1251 else if (abilities & PHYSTS_100BASET4) 1252 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1253 else if (abilities & PHYSTS_100BASETX) 1254 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1255 else if (abilities & PHYSTS_10BASET_FD) 1256 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1257 else if (abilities & PHYSTS_10BASET) 1258 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1259 else { 1260 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1261 return (0); 1262 } 1263 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1264 return (1); 1265 } 1266 1267 void 1268 tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1269 { 1270 switch (sc->tulip_probe_state) { 1271 case TULIP_PROBE_MEDIATEST: 1272 case TULIP_PROBE_INACTIVE: { 1273 sc->tulip_flags |= TULIP_DIDNWAY; 1274 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1275 sc->tulip_probe_timeout = 3000; 1276 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1277 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1278 /* FALLTHROUGH */ 1279 } 1280 case TULIP_PROBE_PHYRESET: { 1281 u_int32_t status; 1282 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1283 if (data & PHYCTL_RESET) { 1284 if (sc->tulip_probe_timeout > 0) { 1285 tulip_timeout(sc); 1286 return; 1287 } 1288 #ifdef TULIP_DEBUG 1289 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1290 TULIP_PRINTF_ARGS, phyaddr); 1291 #endif 1292 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1293 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1294 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1295 return; 1296 } 1297 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1298 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1299 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1300 #if defined(TULIP_DEBUG) 1301 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1302 TULIP_PRINTF_ARGS, phyaddr); 1303 #endif 1304 sc->tulip_flags &= ~TULIP_DIDNWAY; 1305 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1306 return; 1307 } 1308 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1309 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1310 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1311 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1312 #if defined(TULIP_DEBUG) 1313 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1314 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1315 TULIP_PRINTF_ARGS, phyaddr, data); 1316 else 1317 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1318 TULIP_PRINTF_ARGS, phyaddr, data, 1319 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1320 sc->tulip_dbg.dbg_nway_starts++; 1321 #endif 1322 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1323 sc->tulip_probe_timeout = 3000; 1324 /* FALLTHROUGH */ 1325 } 1326 case TULIP_PROBE_PHYAUTONEG: { 1327 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1328 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1329 u_int32_t data; 1330 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1331 if (sc->tulip_probe_timeout > 0) { 1332 tulip_timeout(sc); 1333 return; 1334 } 1335 #if defined(TULIP_DEBUG) 1336 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1337 TULIP_PRINTF_ARGS, phyaddr, status, 1338 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1339 #endif 1340 sc->tulip_flags &= ~TULIP_DIDNWAY; 1341 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1342 return; 1343 } 1344 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1345 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1346 #if defined(TULIP_DEBUG) 1347 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1348 TULIP_PRINTF_ARGS, phyaddr, data, status); 1349 #endif 1350 data = (data << 6) & status; 1351 if (!tulip_mii_map_abilities(sc, data)) 1352 sc->tulip_flags &= ~TULIP_DIDNWAY; 1353 return; 1354 } 1355 default: { 1356 #if defined(DIAGNOSTIC) 1357 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1358 #endif 1359 break; 1360 } 1361 } 1362 #if defined(TULIP_DEBUG) 1363 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1364 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1365 sc->tulip_dbg.dbg_nway_failures++; 1366 #endif 1367 } 1368 1369 void 1370 tulip_2114x_media_preset(tulip_softc_t * const sc) 1371 { 1372 const tulip_media_info_t *mi = NULL; 1373 tulip_media_t media = sc->tulip_media; 1374 1375 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1376 media = sc->tulip_media; 1377 else 1378 media = sc->tulip_probe_media; 1379 1380 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1381 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1382 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1383 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1384 #if defined(TULIP_DEBUG) 1385 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1386 #endif 1387 mi = sc->tulip_mediums[media]; 1388 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1389 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1390 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1391 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1392 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1393 sc->tulip_cmdmode |= mi->mi_cmdmode; 1394 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1395 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1396 #if defined(TULIP_DEBUG) 1397 } else { 1398 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1399 TULIP_PRINTF_ARGS, media); 1400 } 1401 #endif 1402 } 1403 switch (media) { 1404 case TULIP_MEDIA_BNC: 1405 case TULIP_MEDIA_AUI: 1406 case TULIP_MEDIA_10BASET: { 1407 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1408 sc->tulip_if.if_baudrate = 10000000; 1409 sc->tulip_flags |= TULIP_SQETEST; 1410 break; 1411 } 1412 case TULIP_MEDIA_10BASET_FD: { 1413 sc->tulip_flags |= TULIP_FULLDUPLEX; 1414 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1415 sc->tulip_if.if_baudrate = 10000000; 1416 break; 1417 } 1418 case TULIP_MEDIA_100BASEFX: 1419 case TULIP_MEDIA_100BASET4: 1420 case TULIP_MEDIA_100BASETX: { 1421 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1422 sc->tulip_if.if_baudrate = 100000000; 1423 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1424 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1425 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1426 } 1427 break; 1428 } 1429 case TULIP_MEDIA_100BASEFX_FD: 1430 case TULIP_MEDIA_100BASETX_FD: { 1431 sc->tulip_flags |= TULIP_FULLDUPLEX; 1432 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1433 sc->tulip_if.if_baudrate = 100000000; 1434 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1435 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1436 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1437 } 1438 break; 1439 } 1440 default: { 1441 break; 1442 } 1443 } 1444 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1445 } 1446 1447 /* 1448 ******************************************************************** 1449 * Start of 21140/21140A support which does not use the MII interface 1450 */ 1451 1452 void 1453 tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1454 { 1455 #if defined(TULIP_DEBUG) 1456 sc->tulip_dbg.dbg_events[event]++; 1457 #endif 1458 #if defined(DIAGNOSTIC) 1459 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1460 TULIP_PRINTF_ARGS, __LINE__); 1461 #endif 1462 } 1463 1464 void 1465 tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1466 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1467 { 1468 sc->tulip_mediums[media] = mip; 1469 mip->mi_type = TULIP_MEDIAINFO_GPR; 1470 mip->mi_cmdmode = cmdmode; 1471 mip->mi_gpdata = gpdata; 1472 } 1473 1474 void 1475 tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1476 { 1477 tulip_media_info_t *mip = sc->tulip_mediainfo; 1478 1479 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1480 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1481 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1482 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1483 TULIP_CSR_WRITE(sc, csr_command, 1484 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1485 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1486 TULIP_CSR_WRITE(sc, csr_command, 1487 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1488 DELAY(1000000); 1489 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1490 sc->tulip_media = TULIP_MEDIA_10BASET; 1491 else 1492 sc->tulip_media = TULIP_MEDIA_100BASETX; 1493 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1494 TULIP_GP_EB_INIT, 1495 TULIP_CMD_TXTHRSHLDCTL); 1496 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1497 TULIP_GP_EB_INIT, 1498 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1499 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1500 TULIP_GP_EB_INIT, 1501 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1502 |TULIP_CMD_SCRAMBLER); 1503 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1504 TULIP_GP_EB_INIT, 1505 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1506 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1507 } 1508 1509 static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1510 TULIP_21140_DEC_EB, 1511 tulip_21140_evalboard_media_probe, 1512 tulip_media_select, 1513 tulip_null_media_poll, 1514 tulip_2114x_media_preset, 1515 }; 1516 1517 void 1518 tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1519 { 1520 tulip_media_info_t *mip = sc->tulip_mediainfo; 1521 unsigned gpdata; 1522 1523 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1524 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1525 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1526 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1527 TULIP_CSR_WRITE(sc, csr_command, 1528 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1529 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1530 TULIP_CSR_WRITE(sc, csr_command, 1531 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1532 DELAY(1000000); 1533 gpdata = TULIP_CSR_READ(sc, csr_gp); 1534 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1535 sc->tulip_media = TULIP_MEDIA_10BASET; 1536 else { 1537 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1538 sc->tulip_media = TULIP_MEDIA_BNC; 1539 else 1540 sc->tulip_media = TULIP_MEDIA_100BASETX; 1541 } 1542 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1543 TULIP_GP_EN1207_BNC_INIT, 1544 TULIP_CMD_TXTHRSHLDCTL); 1545 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1546 TULIP_GP_EN1207_UTP_INIT, 1547 TULIP_CMD_TXTHRSHLDCTL); 1548 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1549 TULIP_GP_EN1207_UTP_INIT, 1550 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1551 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1552 TULIP_GP_EN1207_100_INIT, 1553 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1554 |TULIP_CMD_SCRAMBLER); 1555 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1556 TULIP_GP_EN1207_100_INIT, 1557 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1558 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1559 } 1560 1561 static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1562 TULIP_21140_EN1207, 1563 tulip_21140_accton_media_probe, 1564 tulip_media_select, 1565 tulip_null_media_poll, 1566 tulip_2114x_media_preset, 1567 }; 1568 1569 void 1570 tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1571 { 1572 tulip_media_info_t *mip = sc->tulip_mediainfo; 1573 int idx, cnt = 0; 1574 1575 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1576 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1577 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1578 33MHz that comes to two microseconds but wait a 1579 bit longer anyways) */ 1580 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1581 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1582 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1583 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1584 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1585 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1586 DELAY(200000); 1587 for (idx = 1000; idx > 0; idx--) { 1588 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1589 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1590 if (++cnt > 100) 1591 break; 1592 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1593 break; 1594 else 1595 cnt = 0; 1596 DELAY(1000); 1597 } 1598 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1599 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1600 TULIP_GP_SMC_9332_INIT, 1601 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1602 |TULIP_CMD_SCRAMBLER); 1603 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1604 TULIP_GP_SMC_9332_INIT, 1605 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1606 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1607 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1608 TULIP_GP_SMC_9332_INIT, 1609 TULIP_CMD_TXTHRSHLDCTL); 1610 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1611 TULIP_GP_SMC_9332_INIT, 1612 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1613 } 1614 1615 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1616 TULIP_21140_SMC_9332, 1617 tulip_21140_smc9332_media_probe, 1618 tulip_media_select, 1619 tulip_null_media_poll, 1620 tulip_2114x_media_preset, 1621 }; 1622 1623 void 1624 tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1625 { 1626 tulip_media_info_t *mip = sc->tulip_mediainfo; 1627 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1628 1629 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1630 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1631 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1632 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1633 1634 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1635 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1636 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1637 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1638 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1639 1640 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1641 TULIP_GP_EM100_INIT, 1642 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1643 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1644 TULIP_GP_EM100_INIT, 1645 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1646 |TULIP_CMD_FULLDUPLEX); 1647 } else { 1648 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1649 sc->tulip_media = TULIP_MEDIA_100BASETX; 1650 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1651 TULIP_GP_EM100_INIT, 1652 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1653 |TULIP_CMD_SCRAMBLER); 1654 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1655 TULIP_GP_EM100_INIT, 1656 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1657 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1658 } 1659 } 1660 1661 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1662 TULIP_21140_COGENT_EM100, 1663 tulip_21140_cogent_em100_media_probe, 1664 tulip_media_select, 1665 tulip_null_media_poll, 1666 tulip_2114x_media_preset 1667 }; 1668 1669 void 1670 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1671 { 1672 tulip_media_info_t *mip = sc->tulip_mediainfo; 1673 int cnt10 = 0, cnt100 = 0, idx; 1674 1675 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1676 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1677 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1678 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1679 TULIP_CSR_WRITE(sc, csr_command, 1680 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1681 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1682 TULIP_CSR_WRITE(sc, csr_command, 1683 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1684 1685 DELAY(200000); 1686 for (idx = 1000; idx > 0; idx--) { 1687 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1688 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)) { 1689 if (++cnt100 > 100) 1690 break; 1691 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1692 if (++cnt10 > 100) 1693 break; 1694 } else { 1695 cnt10 = 0; 1696 cnt100 = 0; 1697 } 1698 DELAY(1000); 1699 } 1700 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1701 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1702 TULIP_GP_ZX34X_INIT, 1703 TULIP_CMD_TXTHRSHLDCTL); 1704 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1705 TULIP_GP_ZX34X_INIT, 1706 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1707 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1708 TULIP_GP_ZX34X_INIT, 1709 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1710 |TULIP_CMD_SCRAMBLER); 1711 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1712 TULIP_GP_ZX34X_INIT, 1713 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1714 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1715 } 1716 1717 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1718 TULIP_21140_ZNYX_ZX34X, 1719 tulip_21140_znyx_zx34x_media_probe, 1720 tulip_media_select, 1721 tulip_null_media_poll, 1722 tulip_2114x_media_preset, 1723 }; 1724 1725 void 1726 tulip_2114x_media_probe(tulip_softc_t * const sc) 1727 { 1728 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1729 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1730 } 1731 1732 static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1733 TULIP_21140_ISV, 1734 tulip_2114x_media_probe, 1735 tulip_media_select, 1736 tulip_media_poll, 1737 tulip_2114x_media_preset, 1738 }; 1739 1740 /* 1741 * ******** END of chip-specific handlers. *********** 1742 */ 1743 1744 /* 1745 * Code the read the SROM and MII bit streams (I2C) 1746 */ 1747 void 1748 tulip_delay_300ns(tulip_softc_t * const sc) 1749 { 1750 int idx; 1751 for (idx = (300 / 33) + 1; idx > 0; idx--) 1752 (void) TULIP_CSR_READ(sc, csr_busmode); 1753 } 1754 1755 void 1756 tulip_srom_idle(tulip_softc_t * const sc) 1757 { 1758 unsigned bit, csr; 1759 1760 csr = SROMSEL ; EMIT; 1761 csr = SROMSEL | SROMRD; EMIT; 1762 csr ^= SROMCS; EMIT; 1763 csr ^= SROMCLKON; EMIT; 1764 1765 /* 1766 * Write 25 cycles of 0 which will force the SROM to be idle. 1767 */ 1768 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1769 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1770 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1771 } 1772 csr ^= SROMCLKOFF; EMIT; 1773 csr ^= SROMCS; EMIT; 1774 csr = 0; EMIT; 1775 } 1776 1777 void 1778 tulip_srom_read(tulip_softc_t * const sc) 1779 { 1780 unsigned idx; 1781 const unsigned bitwidth = SROM_BITWIDTH; 1782 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1783 const unsigned msb = 1 << (bitwidth + 3 - 1); 1784 unsigned lastidx = (1 << bitwidth) - 1; 1785 1786 tulip_srom_idle(sc); 1787 1788 for (idx = 0; idx <= lastidx; idx++) { 1789 unsigned lastbit, data, bits, bit, csr; 1790 csr = SROMSEL ; EMIT; 1791 csr = SROMSEL | SROMRD; EMIT; 1792 csr ^= SROMCSON; EMIT; 1793 csr ^= SROMCLKON; EMIT; 1794 1795 lastbit = 0; 1796 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1797 const unsigned thisbit = bits & msb; 1798 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1799 if (thisbit != lastbit) { 1800 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1801 } else { 1802 EMIT; 1803 } 1804 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1805 lastbit = thisbit; 1806 } 1807 csr ^= SROMCLKOFF; EMIT; 1808 1809 for (data = 0, bits = 0; bits < 16; bits++) { 1810 data <<= 1; 1811 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1812 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1813 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1814 } 1815 sc->tulip_rombuf[idx*2] = data & 0xFF; 1816 sc->tulip_rombuf[idx*2+1] = data >> 8; 1817 csr = SROMSEL | SROMRD; EMIT; 1818 csr = 0; EMIT; 1819 } 1820 tulip_srom_idle(sc); 1821 } 1822 1823 void 1824 tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1825 { 1826 unsigned msb = 1 << (bits - 1); 1827 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1828 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1829 1830 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1831 1832 for (; bits > 0; bits--, data <<= 1) { 1833 const unsigned thisbit = data & msb; 1834 if (thisbit != lastbit) 1835 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1836 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1837 lastbit = thisbit; 1838 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1839 } 1840 } 1841 1842 void 1843 tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1844 { 1845 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1846 1847 if (cmd == MII_WRCMD) { 1848 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1849 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1850 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1851 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1852 } else 1853 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1854 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1855 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1856 } 1857 1858 unsigned 1859 tulip_mii_readbits(tulip_softc_t * const sc) 1860 { 1861 unsigned data; 1862 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1863 int idx; 1864 1865 for (idx = 0, data = 0; idx < 16; idx++) { 1866 data <<= 1; /* this is NOOP on the first pass through */ 1867 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1868 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1869 data |= 1; 1870 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1871 } 1872 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1873 1874 return (data); 1875 } 1876 1877 unsigned 1878 tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1879 { 1880 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1881 unsigned data; 1882 1883 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1884 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1885 tulip_mii_writebits(sc, MII_RDCMD, 8); 1886 tulip_mii_writebits(sc, devaddr, 5); 1887 tulip_mii_writebits(sc, regno, 5); 1888 tulip_mii_turnaround(sc, MII_RDCMD); 1889 1890 data = tulip_mii_readbits(sc); 1891 #if defined(TULIP_DEBUG) 1892 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1893 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1894 #endif 1895 return (data); 1896 } 1897 1898 void 1899 tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1900 unsigned regno, unsigned data) 1901 { 1902 unsigned csr; 1903 1904 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1905 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1906 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1907 tulip_mii_writebits(sc, MII_WRCMD, 8); 1908 tulip_mii_writebits(sc, devaddr, 5); 1909 tulip_mii_writebits(sc, regno, 5); 1910 tulip_mii_turnaround(sc, MII_WRCMD); 1911 tulip_mii_writebits(sc, data, 16); 1912 #if defined(TULIP_DEBUG) 1913 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1914 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1915 #endif 1916 } 1917 1918 void 1919 tulip_identify_dec_nic(tulip_softc_t * const sc) 1920 { 1921 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1922 #define D0 4 1923 if (sc->tulip_chipid <= TULIP_DE425) 1924 return; 1925 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1926 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1927 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1928 sc->tulip_boardid[D0+8] = ' '; 1929 } 1930 #undef D0 1931 } 1932 1933 void 1934 tulip_identify_znyx_nic(tulip_softc_t * const sc) 1935 { 1936 unsigned id = 0; 1937 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1938 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1939 unsigned znyx_ptr; 1940 sc->tulip_boardid[8] = '4'; 1941 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1942 if (znyx_ptr < 26 || znyx_ptr > 116) { 1943 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1944 return; 1945 } 1946 /* ZX344 = 0010 .. 0013FF 1947 */ 1948 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1949 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1950 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1951 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1952 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1953 sc->tulip_boardid[9] = '2'; 1954 if (id == TULIP_ZNYX_ID_ZX342B) { 1955 sc->tulip_boardid[10] = 'B'; 1956 sc->tulip_boardid[11] = ' '; 1957 } 1958 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1959 } else if (id == TULIP_ZNYX_ID_ZX344) { 1960 sc->tulip_boardid[10] = '4'; 1961 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1962 } else if (id == TULIP_ZNYX_ID_ZX345) { 1963 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1964 } else if (id == TULIP_ZNYX_ID_ZX346) { 1965 sc->tulip_boardid[9] = '6'; 1966 } else if (id == TULIP_ZNYX_ID_ZX351) { 1967 sc->tulip_boardid[8] = '5'; 1968 sc->tulip_boardid[9] = '1'; 1969 } 1970 } 1971 if (id == 0) { 1972 /* 1973 * Assume it's a ZX342... 1974 */ 1975 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1976 } 1977 return; 1978 } 1979 sc->tulip_boardid[8] = '1'; 1980 if (sc->tulip_chipid == TULIP_21041) { 1981 sc->tulip_boardid[10] = '1'; 1982 return; 1983 } 1984 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1985 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1986 if (id == TULIP_ZNYX_ID_ZX312T) { 1987 sc->tulip_boardid[9] = '2'; 1988 sc->tulip_boardid[10] = 'T'; 1989 sc->tulip_boardid[11] = ' '; 1990 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1991 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1992 sc->tulip_boardid[9] = '4'; 1993 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1994 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1995 } else if (id == TULIP_ZNYX_ID_ZX314) { 1996 sc->tulip_boardid[9] = '4'; 1997 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1998 sc->tulip_features |= TULIP_HAVE_BASEROM; 1999 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2000 sc->tulip_boardid[9] = '5'; 2001 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2002 } else if (id == TULIP_ZNYX_ID_ZX315) { 2003 sc->tulip_boardid[9] = '5'; 2004 sc->tulip_features |= TULIP_HAVE_BASEROM; 2005 } else 2006 id = 0; 2007 } 2008 if (id == 0) { 2009 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 2010 sc->tulip_boardid[9] = '4'; 2011 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2012 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2013 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2014 sc->tulip_boardid[9] = '5'; 2015 sc->tulip_boardsw = &tulip_21040_boardsw; 2016 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2017 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2018 sc->tulip_boardid[9] = '2'; 2019 sc->tulip_boardsw = &tulip_21040_boardsw; 2020 } 2021 } 2022 } 2023 2024 void 2025 tulip_identify_smc_nic(tulip_softc_t * const sc) 2026 { 2027 u_int32_t id1, id2, ei; 2028 int auibnc = 0, utp = 0; 2029 char *cp; 2030 2031 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2032 if (sc->tulip_chipid == TULIP_21041) 2033 return; 2034 if (sc->tulip_chipid != TULIP_21040) { 2035 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2036 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2037 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2038 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2039 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2040 else 2041 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2042 return; 2043 } 2044 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2045 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2046 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2047 2048 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2049 cp = &sc->tulip_boardid[8]; 2050 if ((id1 & 1) == 0) 2051 *cp++ = 'B', auibnc = 1; 2052 if ((id1 & 0xFF) > 0x32) 2053 *cp++ = 'T', utp = 1; 2054 if ((id1 & 0x4000) == 0) 2055 *cp++ = 'A', auibnc = 1; 2056 if (id2 == 0x15) { 2057 sc->tulip_boardid[7] = '4'; 2058 *cp++ = '-'; 2059 *cp++ = 'C'; 2060 *cp++ = 'H'; 2061 *cp++ = (ei ? '2' : '1'); 2062 } 2063 *cp++ = ' '; 2064 *cp = '\0'; 2065 if (utp && !auibnc) 2066 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2067 else if (!utp && auibnc) 2068 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2069 } 2070 2071 void 2072 tulip_identify_cogent_nic(tulip_softc_t * const sc) 2073 { 2074 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2075 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2076 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2077 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2078 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2079 #if defined(TULIP_COGENT_EM110TX_ID) 2080 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2081 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2082 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2083 #endif 2084 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2085 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2086 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2087 } 2088 /* 2089 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2090 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2091 */ 2092 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2093 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2094 /* 2095 * Cogent (Adaptec) is still mapping all INTs to INTA of 2096 * first 21140. Dumb! Dumb! 2097 */ 2098 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2099 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2100 } 2101 } else if (sc->tulip_chipid == TULIP_21040) 2102 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2103 } 2104 2105 void 2106 tulip_identify_accton_nic(tulip_softc_t * const sc) 2107 { 2108 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2109 switch (sc->tulip_chipid) { 2110 case TULIP_21140A: 2111 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2112 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2113 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2114 break; 2115 case TULIP_21140: 2116 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2117 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2118 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2119 break; 2120 case TULIP_21040: 2121 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2122 sc->tulip_boardsw = &tulip_21040_boardsw; 2123 break; 2124 case TULIP_21041: 2125 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2126 sc->tulip_boardsw = &tulip_21041_boardsw; 2127 break; 2128 default: 2129 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2130 break; 2131 } 2132 } 2133 2134 void 2135 tulip_identify_asante_nic(tulip_softc_t * const sc) 2136 { 2137 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2138 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2139 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2140 tulip_media_info_t *mi = sc->tulip_mediainfo; 2141 int idx; 2142 /* 2143 * The Asante Fast Ethernet doesn't always ship with a valid 2144 * new format SROM. So if isn't in the new format, we cheat 2145 * set it up as if we had. 2146 */ 2147 2148 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2149 sc->tulip_gpdata = 0; 2150 2151 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2152 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2153 DELAY(100); 2154 TULIP_CSR_WRITE(sc, csr_gp, 0); 2155 2156 mi->mi_type = TULIP_MEDIAINFO_MII; 2157 mi->mi_gpr_length = 0; 2158 mi->mi_gpr_offset = 0; 2159 mi->mi_reset_length = 0; 2160 mi->mi_reset_offset = 0; 2161 2162 mi->mi_phyaddr = TULIP_MII_NOPHY; 2163 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2164 DELAY(10000); 2165 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2166 } 2167 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2168 #ifdef TULIP_DEBUG 2169 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2170 #endif 2171 return; 2172 } 2173 2174 sc->tulip_features |= TULIP_HAVE_MII; 2175 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2176 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2177 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2178 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2179 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2180 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2181 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2182 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2183 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2184 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2185 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2186 2187 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2188 } 2189 } 2190 2191 void 2192 tulip_identify_compex_nic(tulip_softc_t * const sc) 2193 { 2194 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2195 if (sc->tulip_chipid == TULIP_21140A) { 2196 int root_unit; 2197 tulip_softc_t *root_sc = NULL; 2198 2199 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2200 /* 2201 * All 4 chips on these boards share an interrupt. This code 2202 * copied from tulip_read_macaddr. 2203 */ 2204 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2205 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2206 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2207 if (root_sc == NULL 2208 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2209 break; 2210 root_sc = NULL; 2211 } 2212 if (root_sc != NULL 2213 && root_sc->tulip_chipid == sc->tulip_chipid 2214 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2215 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2216 sc->tulip_slaves = root_sc->tulip_slaves; 2217 root_sc->tulip_slaves = sc; 2218 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2219 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2220 } else 2221 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2222 2223 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2224 } 2225 2226 int 2227 tulip_srom_decode(tulip_softc_t * const sc) 2228 { 2229 unsigned idx1, idx2, idx3; 2230 2231 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2232 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2233 tulip_srom_media_t srom_media; 2234 tulip_media_info_t *mi = sc->tulip_mediainfo; 2235 const u_int8_t *dp; 2236 u_int32_t leaf_offset, blocks, data; 2237 2238 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2239 if (shp->sh_adapter_count == 1) 2240 break; 2241 if (saip->sai_device == sc->tulip_pci_devno) 2242 break; 2243 } 2244 /* 2245 * Didn't find the right media block for this card. 2246 */ 2247 if (idx1 == shp->sh_adapter_count) 2248 return (0); 2249 2250 /* 2251 * Save the hardware address. 2252 */ 2253 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2254 ETHER_ADDR_LEN); 2255 /* 2256 * If this is a multiple port card, add the adapter index to the last 2257 * byte of the hardware address. (if it isn't multiport, adding 0 2258 * won't hurt. 2259 */ 2260 sc->tulip_enaddr[5] += idx1; 2261 2262 leaf_offset = saip->sai_leaf_offset_lowbyte 2263 + saip->sai_leaf_offset_highbyte * 256; 2264 dp = sc->tulip_rombuf + leaf_offset; 2265 2266 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2267 2268 for (idx2 = 0;; idx2++) { 2269 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2270 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2271 break; 2272 } 2273 sc->tulip_connidx = idx2; 2274 2275 if (sc->tulip_chipid == TULIP_21041) { 2276 blocks = *dp++; 2277 for (idx2 = 0; idx2 < blocks; idx2++) { 2278 tulip_media_t media; 2279 data = *dp++; 2280 srom_media = (tulip_srom_media_t) (data & 0x3F); 2281 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2282 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2283 break; 2284 } 2285 media = tulip_srom_mediums[idx3].sm_type; 2286 if (media != TULIP_MEDIA_UNKNOWN) { 2287 if (data & TULIP_SROM_21041_EXTENDED) { 2288 mi->mi_type = TULIP_MEDIAINFO_SIA; 2289 sc->tulip_mediums[media] = mi; 2290 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2291 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2292 mi->mi_sia_general = dp[4] + dp[5] * 256; 2293 mi++; 2294 } else { 2295 switch (media) { 2296 case TULIP_MEDIA_BNC: { 2297 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2298 mi++; 2299 break; 2300 } 2301 case TULIP_MEDIA_AUI: { 2302 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2303 mi++; 2304 break; 2305 } 2306 case TULIP_MEDIA_10BASET: { 2307 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2308 mi++; 2309 break; 2310 } 2311 case TULIP_MEDIA_10BASET_FD: { 2312 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2313 mi++; 2314 break; 2315 } 2316 default: { 2317 break; 2318 } 2319 } 2320 } 2321 } 2322 if (data & TULIP_SROM_21041_EXTENDED) 2323 dp += 6; 2324 } 2325 } else { 2326 unsigned length, type; 2327 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2328 if (sc->tulip_features & TULIP_HAVE_GPR) 2329 sc->tulip_gpinit = *dp++; 2330 blocks = *dp++; 2331 for (idx2 = 0; idx2 < blocks; idx2++) { 2332 const u_int8_t *ep; 2333 if ((*dp & 0x80) == 0) { 2334 length = 4; 2335 type = 0; 2336 } else { 2337 length = (*dp++ & 0x7f) - 1; 2338 type = *dp++ & 0x3f; 2339 } 2340 ep = dp + length; 2341 switch (type & 0x3f) { 2342 case 0: { /* 21140[A] GPR block */ 2343 tulip_media_t media; 2344 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2345 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2346 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2347 break; 2348 } 2349 media = tulip_srom_mediums[idx3].sm_type; 2350 if (media == TULIP_MEDIA_UNKNOWN) 2351 break; 2352 mi->mi_type = TULIP_MEDIAINFO_GPR; 2353 sc->tulip_mediums[media] = mi; 2354 mi->mi_gpdata = dp[1]; 2355 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2356 sc->tulip_gpdata = mi->mi_gpdata; 2357 gp_media = media; 2358 } 2359 data = dp[2] + dp[3] * 256; 2360 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2361 if (data & TULIP_SROM_2114X_NOINDICATOR) 2362 mi->mi_actmask = 0; 2363 else { 2364 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2365 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2366 } 2367 mi++; 2368 break; 2369 } 2370 case 1: { /* 21140[A] MII block */ 2371 const unsigned phyno = *dp++; 2372 mi->mi_type = TULIP_MEDIAINFO_MII; 2373 mi->mi_gpr_length = *dp++; 2374 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2375 dp += mi->mi_gpr_length; 2376 mi->mi_reset_length = *dp++; 2377 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2378 dp += mi->mi_reset_length; 2379 2380 /* 2381 * Before we probe for a PHY, use the GPR information 2382 * to select it. If we don't, it may be inaccessible. 2383 */ 2384 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2385 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2386 DELAY(10); 2387 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2388 } 2389 sc->tulip_phyaddr = mi->mi_phyaddr; 2390 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2391 DELAY(10); 2392 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2393 } 2394 2395 /* 2396 * At least write something! 2397 */ 2398 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2399 TULIP_CSR_WRITE(sc, csr_gp, 0); 2400 2401 mi->mi_phyaddr = TULIP_MII_NOPHY; 2402 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2403 DELAY(10000); 2404 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2405 } 2406 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2407 #if defined(TULIP_DEBUG) 2408 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2409 TULIP_PRINTF_ARGS, phyno); 2410 #endif 2411 break; 2412 } 2413 sc->tulip_features |= TULIP_HAVE_MII; 2414 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2415 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2416 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2417 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2418 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2419 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2420 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2421 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2422 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2423 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2424 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2425 mi++; 2426 break; 2427 } 2428 case 2: { /* 2114[23] SIA block */ 2429 tulip_media_t media; 2430 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2431 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2432 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2433 break; 2434 } 2435 media = tulip_srom_mediums[idx3].sm_type; 2436 if (media == TULIP_MEDIA_UNKNOWN) 2437 break; 2438 mi->mi_type = TULIP_MEDIAINFO_SIA; 2439 sc->tulip_mediums[media] = mi; 2440 if (dp[0] & 0x40) { 2441 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2442 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2443 mi->mi_sia_general = dp[5] + dp[6] * 256; 2444 dp += 6; 2445 } else { 2446 switch (media) { 2447 case TULIP_MEDIA_BNC: { 2448 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2449 break; 2450 } 2451 case TULIP_MEDIA_AUI: { 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2453 break; 2454 } 2455 case TULIP_MEDIA_10BASET: { 2456 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2457 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2458 break; 2459 } 2460 case TULIP_MEDIA_10BASET_FD: { 2461 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2462 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2463 break; 2464 } 2465 default: { 2466 goto bad_media; 2467 } 2468 } 2469 } 2470 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2471 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2472 mi++; 2473 bad_media: 2474 break; 2475 } 2476 case 3: { /* 2114[23] MII PHY block */ 2477 const unsigned phyno = *dp++; 2478 const u_int8_t *dp0; 2479 mi->mi_type = TULIP_MEDIAINFO_MII; 2480 mi->mi_gpr_length = *dp++; 2481 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2482 dp += 2 * mi->mi_gpr_length; 2483 mi->mi_reset_length = *dp++; 2484 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2485 dp += 2 * mi->mi_reset_length; 2486 2487 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2488 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2489 DELAY(10); 2490 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2491 } 2492 sc->tulip_phyaddr = mi->mi_phyaddr; 2493 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2494 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2495 DELAY(10); 2496 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2497 } 2498 2499 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2500 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2501 2502 mi->mi_phyaddr = TULIP_MII_NOPHY; 2503 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2504 DELAY(10000); 2505 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2506 } 2507 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2508 #if defined(TULIP_DEBUG) 2509 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2510 TULIP_PRINTF_ARGS, phyno); 2511 #endif 2512 break; 2513 } 2514 sc->tulip_features |= TULIP_HAVE_MII; 2515 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2516 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2517 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2518 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2519 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2520 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2521 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2522 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2523 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2524 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2525 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2526 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2527 mi++; 2528 break; 2529 } 2530 case 4: { /* 21143 SYM block */ 2531 tulip_media_t media; 2532 srom_media = (tulip_srom_media_t) dp[0]; 2533 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2534 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2535 break; 2536 } 2537 media = tulip_srom_mediums[idx3].sm_type; 2538 if (media == TULIP_MEDIA_UNKNOWN) 2539 break; 2540 mi->mi_type = TULIP_MEDIAINFO_SYM; 2541 sc->tulip_mediums[media] = mi; 2542 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2543 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2544 data = dp[5] + dp[6] * 256; 2545 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2546 if (data & TULIP_SROM_2114X_NOINDICATOR) 2547 mi->mi_actmask = 0; 2548 else { 2549 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2550 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2551 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2552 } 2553 if (TULIP_IS_MEDIA_TP(media)) 2554 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2555 mi++; 2556 break; 2557 } 2558 default: { 2559 } 2560 } 2561 dp = ep; 2562 } 2563 } 2564 return (mi - sc->tulip_mediainfo); 2565 } 2566 2567 static const struct { 2568 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2569 unsigned char vendor_oui[3]; 2570 } tulip_vendors[] = { 2571 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2572 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2573 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2574 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2575 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2576 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2577 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2578 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2579 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2580 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2581 { NULL } 2582 }; 2583 2584 /* 2585 * This deals with the vagaries of the address roms and the 2586 * brain-deadness that various vendors commit in using them. 2587 */ 2588 int 2589 tulip_read_macaddr(tulip_softc_t * const sc) 2590 { 2591 unsigned cksum, rom_cksum, idx; 2592 u_int32_t csr; 2593 unsigned char tmpbuf[8]; 2594 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2595 2596 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2597 2598 if (sc->tulip_chipid == TULIP_21040) { 2599 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2600 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2601 int cnt = 0; 2602 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2603 cnt++; 2604 sc->tulip_rombuf[idx] = csr & 0xFF; 2605 } 2606 sc->tulip_boardsw = &tulip_21040_boardsw; 2607 } else { 2608 if (sc->tulip_chipid == TULIP_21041) { 2609 /* 2610 * Thankfully all 21041's act the same. 2611 */ 2612 sc->tulip_boardsw = &tulip_21041_boardsw; 2613 } else { 2614 /* 2615 * Assume all 21140 board are compatible with the 2616 * DEC 10/100 evaluation board. Not really valid but 2617 * it's the best we can do until every one switches to 2618 * the new SROM format. 2619 */ 2620 2621 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2622 } 2623 tulip_srom_read(sc); 2624 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2625 /* 2626 * SROM CRC is valid therefore it must be in the 2627 * new format. 2628 */ 2629 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2630 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2631 /* 2632 * No checksum is present. See if the SROM id checks out; 2633 * the first 18 bytes should be 0 followed by a 1 followed 2634 * by the number of adapters (which we don't deal with yet). 2635 */ 2636 for (idx = 0; idx < 18; idx++) { 2637 if (sc->tulip_rombuf[idx] != 0) 2638 break; 2639 } 2640 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2641 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2642 } else if (sc->tulip_chipid >= TULIP_21142) { 2643 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2644 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2645 } 2646 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2647 if (sc->tulip_chipid != TULIP_21041) 2648 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2649 2650 /* 2651 * If the SROM specifies more than one adapter, tag this as a 2652 * BASE rom. 2653 */ 2654 if (sc->tulip_rombuf[19] > 1) 2655 sc->tulip_features |= TULIP_HAVE_BASEROM; 2656 if (sc->tulip_boardsw == NULL) 2657 return (-6); 2658 goto check_oui; 2659 } 2660 } 2661 2662 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2663 /* 2664 * Some folks don't use the standard ethernet rom format 2665 * but instead just put the address in the first 6 bytes 2666 * of the rom and let the rest be all 0xffs. (Can we say 2667 * ZNYX???) (well sometimes they put in a checksum so we'll 2668 * start at 8). 2669 */ 2670 for (idx = 8; idx < 32; idx++) { 2671 if (sc->tulip_rombuf[idx] != 0xFF) 2672 return (-4); 2673 } 2674 /* 2675 * Make sure the address is not multicast or locally assigned 2676 * that the OUI is not 00-00-00. 2677 */ 2678 if ((sc->tulip_rombuf[0] & 3) != 0) 2679 return (-4); 2680 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2681 && sc->tulip_rombuf[2] == 0) 2682 return (-4); 2683 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2684 sc->tulip_features |= TULIP_HAVE_OKROM; 2685 goto check_oui; 2686 } else { 2687 /* 2688 * A number of makers of multiport boards (ZNYX and Cogent) 2689 * only put on one address ROM on their 21040 boards. So 2690 * if the ROM is all zeros (or all 0xFFs), look at the 2691 * previous configured boards (as long as they are on the same 2692 * PCI bus and the bus number is non-zero) until we find the 2693 * master board with address ROM. We then use its address ROM 2694 * as the base for this board. (we add our relative board 2695 * to the last byte of its address). 2696 */ 2697 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2698 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2699 break; 2700 } 2701 if (idx == sizeof(sc->tulip_rombuf)) { 2702 int root_unit; 2703 tulip_softc_t *root_sc = NULL; 2704 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2705 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2706 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2707 break; 2708 root_sc = NULL; 2709 } 2710 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2711 && root_sc->tulip_chipid == sc->tulip_chipid 2712 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2713 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2714 sc->tulip_boardsw = root_sc->tulip_boardsw; 2715 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2716 sizeof(sc->tulip_boardid)); 2717 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2718 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2719 sizeof(sc->tulip_rombuf)); 2720 if (!tulip_srom_decode(sc)) 2721 return (-5); 2722 } else { 2723 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2724 ETHER_ADDR_LEN); 2725 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2726 } 2727 /* 2728 * Now for a truly disgusting kludge: all 4 21040s on 2729 * the ZX314 share the same INTA line so the mapping 2730 * setup by the BIOS on the PCI bridge is worthless. 2731 * Rather than reprogramming the value in the config 2732 * register, we will handle this internally. 2733 */ 2734 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2735 sc->tulip_slaves = root_sc->tulip_slaves; 2736 root_sc->tulip_slaves = sc; 2737 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2738 } 2739 return (0); 2740 } 2741 } 2742 } 2743 2744 /* 2745 * This is the standard DEC address ROM test. 2746 */ 2747 2748 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2749 return (-3); 2750 2751 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2752 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2753 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2754 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2755 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2756 return (-2); 2757 2758 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2759 2760 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2761 cksum *= 2; 2762 if (cksum > 65535) cksum -= 65535; 2763 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2764 if (cksum > 65535) cksum -= 65535; 2765 cksum *= 2; 2766 if (cksum > 65535) cksum -= 65535; 2767 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2768 if (cksum >= 65535) cksum -= 65535; 2769 2770 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2771 2772 if (cksum != rom_cksum) 2773 return (-1); 2774 2775 check_oui: 2776 /* 2777 * Check for various boards based on OUI. Did I say braindead? 2778 */ 2779 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2780 if (bcmp((caddr_t) sc->tulip_enaddr, 2781 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2782 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2783 break; 2784 } 2785 } 2786 2787 sc->tulip_features |= TULIP_HAVE_OKROM; 2788 return (0); 2789 } 2790 2791 void 2792 tulip_ifmedia_add(tulip_softc_t * const sc) 2793 { 2794 tulip_media_t media; 2795 int medias = 0; 2796 2797 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2798 if (sc->tulip_mediums[media] != NULL) { 2799 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2800 0, 0); 2801 medias++; 2802 } 2803 } 2804 if (medias == 0) { 2805 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2806 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2807 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2808 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2809 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2810 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2811 } else { 2812 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2813 sc->tulip_flags |= TULIP_PRINTMEDIA; 2814 tulip_linkup(sc, sc->tulip_media); 2815 } 2816 } 2817 2818 int 2819 tulip_ifmedia_change(struct ifnet * const ifp) 2820 { 2821 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2822 2823 sc->tulip_flags |= TULIP_NEEDRESET; 2824 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2825 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2826 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2827 tulip_media_t media; 2828 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2829 if (sc->tulip_mediums[media] != NULL 2830 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2831 sc->tulip_flags |= TULIP_PRINTMEDIA; 2832 sc->tulip_flags &= ~TULIP_DIDNWAY; 2833 tulip_linkup(sc, media); 2834 return (0); 2835 } 2836 } 2837 } 2838 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2839 tulip_reset(sc); 2840 tulip_init(sc); 2841 return (0); 2842 } 2843 2844 /* 2845 * Media status callback 2846 */ 2847 void 2848 tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2849 { 2850 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2851 2852 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2853 return; 2854 2855 req->ifm_status = IFM_AVALID; 2856 if (sc->tulip_flags & TULIP_LINKUP) 2857 req->ifm_status |= IFM_ACTIVE; 2858 2859 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2860 } 2861 2862 void 2863 tulip_addr_filter(tulip_softc_t * const sc) 2864 { 2865 struct ether_multistep step; 2866 struct ether_multi *enm; 2867 2868 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2869 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2870 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2871 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2872 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2873 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2874 if (sc->tulip_multicnt > 14) { 2875 u_int32_t *sp = sc->tulip_setupdata; 2876 unsigned hash; 2877 /* 2878 * Some early passes of the 21140 have broken implementations of 2879 * hash-perfect mode. When we get too many multicasts for perfect 2880 * filtering with these chips, we need to switch into hash-only 2881 * mode (this is better than all-multicast on network with lots 2882 * of multicast traffic). 2883 */ 2884 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2885 sc->tulip_flags |= TULIP_WANTHASHONLY; 2886 else 2887 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2888 /* 2889 * If we have more than 14 multicasts, we have 2890 * go into hash perfect mode (512 bit multicast 2891 * hash and one perfect hardware). 2892 */ 2893 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2894 ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); 2895 while (enm != NULL) { 2896 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 2897 hash = tulip_mchash(enm->enm_addrlo); 2898 #if BYTE_ORDER == BIG_ENDIAN 2899 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2900 #else 2901 sp[hash >> 4] |= 1 << (hash & 0xF); 2902 #endif 2903 } else { 2904 sc->tulip_flags |= TULIP_ALLMULTI; 2905 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2906 break; 2907 } 2908 ETHER_NEXT_MULTI(step, enm); 2909 } 2910 /* 2911 * No reason to use a hash if we are going to be 2912 * receiving every multicast. 2913 */ 2914 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2915 hash = tulip_mchash(etherbroadcastaddr); 2916 #if BYTE_ORDER == BIG_ENDIAN 2917 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2918 #else 2919 sp[hash >> 4] |= 1 << (hash & 0xF); 2920 #endif 2921 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2922 hash = tulip_mchash(sc->tulip_enaddr); 2923 #if BYTE_ORDER == BIG_ENDIAN 2924 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2925 #else 2926 sp[hash >> 4] |= 1 << (hash & 0xF); 2927 #endif 2928 } else { 2929 #if BYTE_ORDER == BIG_ENDIAN 2930 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2931 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2932 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2933 #else 2934 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2935 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2936 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2937 #endif 2938 } 2939 } 2940 } 2941 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2942 u_int32_t *sp = sc->tulip_setupdata; 2943 int idx = 0; 2944 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2945 /* 2946 * Else can get perfect filtering for 16 addresses. 2947 */ 2948 ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); 2949 for (; enm != NULL; idx++) { 2950 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 2951 #if BYTE_ORDER == BIG_ENDIAN 2952 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2953 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2954 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2955 #else 2956 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2957 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2958 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2959 #endif 2960 } else { 2961 sc->tulip_flags |= TULIP_ALLMULTI; 2962 break; 2963 } 2964 ETHER_NEXT_MULTI(step, enm); 2965 } 2966 /* 2967 * Add the broadcast address. 2968 */ 2969 idx++; 2970 #if BYTE_ORDER == BIG_ENDIAN 2971 *sp++ = 0xFFFF << 16; 2972 *sp++ = 0xFFFF << 16; 2973 *sp++ = 0xFFFF << 16; 2974 #else 2975 *sp++ = 0xFFFF; 2976 *sp++ = 0xFFFF; 2977 *sp++ = 0xFFFF; 2978 #endif 2979 } 2980 /* 2981 * Pad the rest with our hardware address 2982 */ 2983 for (; idx < 16; idx++) { 2984 #if BYTE_ORDER == BIG_ENDIAN 2985 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2986 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2987 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2988 #else 2989 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 2990 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 2991 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 2992 #endif 2993 } 2994 } 2995 if (sc->tulip_flags & TULIP_ALLMULTI) 2996 sc->tulip_if.if_flags |= IFF_ALLMULTI; 2997 } 2998 2999 void 3000 tulip_reset(tulip_softc_t * const sc) 3001 { 3002 tulip_ringinfo_t *ri; 3003 tulip_desc_t *di; 3004 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3005 3006 /* 3007 * Brilliant. Simply brilliant. When switching modes/speeds 3008 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3009 * bits in CSR6 and then do a software reset to get the 21140 3010 * to properly reset its internal pathways to the right places. 3011 * Grrrr. 3012 */ 3013 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3014 && sc->tulip_boardsw->bd_media_preset != NULL) 3015 (*sc->tulip_boardsw->bd_media_preset)(sc); 3016 3017 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3018 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3019 33MHz that comes to two microseconds but wait a 3020 bit longer anyways) */ 3021 3022 if (!inreset) { 3023 sc->tulip_flags |= TULIP_INRESET; 3024 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3025 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3026 sc->tulip_if.if_start = tulip_ifstart; 3027 } 3028 3029 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3030 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3031 TULIP_CSR_WRITE(sc, csr_busmode, 3032 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3033 |TULIP_BUSMODE_CACHE_ALIGN8 3034 |TULIP_BUSMODE_READMULTIPLE 3035 |(BYTE_ORDER != LITTLE_ENDIAN ? 3036 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3037 3038 sc->tulip_txtimer = 0; 3039 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3040 /* 3041 * Free all the mbufs that were on the transmit ring. 3042 */ 3043 for (;;) { 3044 bus_dmamap_t map; 3045 struct mbuf *m; 3046 IF_DEQUEUE(&sc->tulip_txq, m); 3047 if (m == NULL) 3048 break; 3049 map = TULIP_GETCTX(m, bus_dmamap_t); 3050 bus_dmamap_unload(sc->tulip_dmatag, map); 3051 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3052 m_freem(m); 3053 } 3054 3055 ri = &sc->tulip_txinfo; 3056 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3057 ri->ri_free = ri->ri_max; 3058 for (di = ri->ri_first; di < ri->ri_last; di++) 3059 di->d_status = 0; 3060 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3061 0, sc->tulip_txdescmap->dm_mapsize, 3062 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3063 3064 /* 3065 * We need to collect all the mbufs were on the 3066 * receive ring before we reinit it either to put 3067 * them back on or to know if we have to allocate 3068 * more. 3069 */ 3070 ri = &sc->tulip_rxinfo; 3071 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3072 ri->ri_free = ri->ri_max; 3073 for (di = ri->ri_first; di < ri->ri_last; di++) { 3074 di->d_status = 0; 3075 di->d_length1 = 0; di->d_addr1 = 0; 3076 di->d_length2 = 0; di->d_addr2 = 0; 3077 } 3078 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3079 0, sc->tulip_rxdescmap->dm_mapsize, 3080 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3081 for (;;) { 3082 bus_dmamap_t map; 3083 struct mbuf *m; 3084 IF_DEQUEUE(&sc->tulip_rxq, m); 3085 if (m == NULL) 3086 break; 3087 map = TULIP_GETCTX(m, bus_dmamap_t); 3088 bus_dmamap_unload(sc->tulip_dmatag, map); 3089 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3090 m_freem(m); 3091 } 3092 3093 /* 3094 * If tulip_reset is being called recurisvely, exit quickly knowing 3095 * that when the outer tulip_reset returns all the right stuff will 3096 * have happened. 3097 */ 3098 if (inreset) 3099 return; 3100 3101 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3102 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3103 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3104 |TULIP_STS_RXSTOPPED; 3105 3106 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3107 (*sc->tulip_boardsw->bd_media_select)(sc); 3108 #if defined(TULIP_DEBUG) 3109 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3110 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3111 TULIP_PRINTF_ARGS); 3112 #endif 3113 tulip_media_print(sc); 3114 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3115 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3116 3117 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3118 |TULIP_RXACT); 3119 tulip_addr_filter(sc); 3120 } 3121 3122 void 3123 tulip_init(tulip_softc_t * const sc) 3124 { 3125 if (sc->tulip_if.if_flags & IFF_UP) { 3126 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3127 /* initialize the media */ 3128 tulip_reset(sc); 3129 } 3130 sc->tulip_if.if_flags |= IFF_RUNNING; 3131 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3132 sc->tulip_flags |= TULIP_PROMISC; 3133 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3134 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3135 } else { 3136 sc->tulip_flags &= ~TULIP_PROMISC; 3137 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3138 if (sc->tulip_flags & TULIP_ALLMULTI) 3139 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3140 else 3141 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3142 } 3143 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3144 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3145 tulip_rx_intr(sc); 3146 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3147 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3148 } else { 3149 sc->tulip_if.if_flags |= IFF_OACTIVE; 3150 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3151 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3152 } 3153 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3154 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3155 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3156 tulip_txput_setup(sc); 3157 } else { 3158 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3159 tulip_reset(sc); 3160 } 3161 } 3162 3163 void 3164 tulip_rx_intr(tulip_softc_t * const sc) 3165 { 3166 TULIP_PERFSTART(rxintr) 3167 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3168 struct ifnet * const ifp = &sc->tulip_if; 3169 int fillok = 1; 3170 #if defined(TULIP_DEBUG) 3171 int cnt = 0; 3172 #endif 3173 3174 for (;;) { 3175 TULIP_PERFSTART(rxget) 3176 tulip_desc_t *eop = ri->ri_nextin; 3177 int total_len = 0, last_offset = 0; 3178 struct mbuf *ms = NULL, *me = NULL; 3179 int accept = 0; 3180 bus_dmamap_t map; 3181 int error; 3182 3183 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3184 goto queue_mbuf; 3185 3186 #if defined(TULIP_DEBUG) 3187 if (cnt == ri->ri_max) 3188 break; 3189 #endif 3190 /* 3191 * If the TULIP has no descriptors, there can't be any receive 3192 * descriptors to process. 3193 */ 3194 if (eop == ri->ri_nextout) 3195 break; 3196 3197 /* 3198 * 90% of the packets will fit in one descriptor. So we optimize 3199 * for that case. 3200 */ 3201 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3202 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3203 IF_DEQUEUE(&sc->tulip_rxq, ms); 3204 me = ms; 3205 } else { 3206 /* 3207 * If still owned by the TULIP, don't touch it. 3208 */ 3209 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3210 break; 3211 3212 /* 3213 * It is possible (though improbable unless MCLBYTES < 1518) for 3214 * a received packet to cross more than one receive descriptor. 3215 */ 3216 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3217 if (++eop == ri->ri_last) 3218 eop = ri->ri_first; 3219 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3220 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3221 #if defined(TULIP_DEBUG) 3222 sc->tulip_dbg.dbg_rxintrs++; 3223 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3224 #endif 3225 TULIP_PERFEND(rxget); 3226 TULIP_PERFEND(rxintr); 3227 return; 3228 } 3229 total_len++; 3230 } 3231 3232 /* 3233 * Dequeue the first buffer for the start of the packet. Hopefully 3234 * this will be the only one we need to dequeue. However, if the 3235 * packet consumed multiple descriptors, then we need to dequeue 3236 * those buffers and chain to the starting mbuf. All buffers but 3237 * the last buffer have the same length so we can set that now. 3238 * (we add to last_offset instead of multiplying since we normally 3239 * won't go into the loop and thereby saving a ourselves from 3240 * doing a multiplication by 0 in the normal case). 3241 */ 3242 IF_DEQUEUE(&sc->tulip_rxq, ms); 3243 for (me = ms; total_len > 0; total_len--) { 3244 map = TULIP_GETCTX(me, bus_dmamap_t); 3245 #ifdef __alpha__ 3246 if (map->_dm_window != NULL) 3247 #endif 3248 TULIP_RXMAP_POSTSYNC(sc, map); 3249 bus_dmamap_unload(sc->tulip_dmatag, map); 3250 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3251 #if defined(DIAGNOSTIC) 3252 TULIP_SETCTX(me, NULL); 3253 #endif 3254 me->m_len = TULIP_RX_BUFLEN; 3255 last_offset += TULIP_RX_BUFLEN; 3256 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3257 me = me->m_next; 3258 } 3259 } 3260 3261 /* 3262 * Now get the size of received packet (minus the CRC). 3263 */ 3264 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3265 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3266 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3267 me->m_len = total_len - last_offset; 3268 3269 map = TULIP_GETCTX(me, bus_dmamap_t); 3270 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3271 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3272 bus_dmamap_unload(sc->tulip_dmatag, map); 3273 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3274 #if defined(DIAGNOSTIC) 3275 TULIP_SETCTX(me, NULL); 3276 #endif 3277 3278 #if NBPFILTER > 0 3279 if (sc->tulip_bpf != NULL) { 3280 if (me == ms) { 3281 bpf_tap(sc->tulip_if.if_bpf, mtod(ms, caddr_t), 3282 total_len, BPF_DIRECTION_IN); 3283 } else 3284 bpf_mtap(sc->tulip_if.if_bpf, ms, BPF_DIRECTION_IN); 3285 } 3286 #endif 3287 sc->tulip_flags |= TULIP_RXACT; 3288 accept = 1; 3289 } else { 3290 ifp->if_ierrors++; 3291 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3292 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3293 else { 3294 #ifdef TULIP_DEBUG 3295 const char *error = NULL; 3296 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3297 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3298 error = "frame too long"; 3299 } 3300 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3301 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3302 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3303 error = "alignment error"; 3304 } else { 3305 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3306 error = "bad crc"; 3307 } 3308 } 3309 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3310 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3311 TULIP_PRINTF_ARGS, 3312 ether_sprintf(mtod(ms, u_char *) + 6), 3313 error); 3314 sc->tulip_flags |= TULIP_NOMESSAGES; 3315 } 3316 #endif 3317 } 3318 3319 map = TULIP_GETCTX(me, bus_dmamap_t); 3320 bus_dmamap_unload(sc->tulip_dmatag, map); 3321 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 3322 #if defined(DIAGNOSTIC) 3323 TULIP_SETCTX(me, NULL); 3324 #endif 3325 } 3326 #if defined(TULIP_DEBUG) 3327 cnt++; 3328 #endif 3329 ifp->if_ipackets++; 3330 if (++eop == ri->ri_last) 3331 eop = ri->ri_first; 3332 ri->ri_nextin = eop; 3333 queue_mbuf: 3334 /* 3335 * Either we are priming the TULIP with mbufs (m == NULL) 3336 * or we are about to accept an mbuf for the upper layers 3337 * so we need to allocate an mbuf to replace it. If we 3338 * can't replace it, send up it anyways. This may cause 3339 * us to drop packets in the future but that's better than 3340 * being caught in livelock. 3341 * 3342 * Note that if this packet crossed multiple descriptors 3343 * we don't even try to reallocate all the mbufs here. 3344 * Instead we rely on the test of the beginning of 3345 * the loop to refill for the extra consumed mbufs. 3346 */ 3347 if (accept || ms == NULL) { 3348 struct mbuf *m0; 3349 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3350 if (m0 != NULL) { 3351 #if defined(TULIP_COPY_RXDATA) 3352 if (!accept || total_len >= (MHLEN - 2)) { 3353 #endif 3354 MCLGET(m0, M_DONTWAIT); 3355 if ((m0->m_flags & M_EXT) == 0) { 3356 m_freem(m0); 3357 m0 = NULL; 3358 } 3359 #if defined(TULIP_COPY_RXDATA) 3360 } 3361 #endif 3362 } 3363 if (accept 3364 #if defined(TULIP_COPY_RXDATA) 3365 && m0 != NULL 3366 #endif 3367 ) { 3368 #if !defined(TULIP_COPY_RXDATA) 3369 ms->m_pkthdr.len = total_len; 3370 ms->m_pkthdr.rcvif = ifp; 3371 ether_input_mbuf(ifp, ms); 3372 #else 3373 m0->m_data += 2; /* align data after header */ 3374 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3375 m0->m_len = m0->m_pkthdr.len = total_len; 3376 m0->m_pkthdr.rcvif = ifp; 3377 ether_input_mbuf(ifp, m0); 3378 m0 = ms; 3379 #endif 3380 } 3381 ms = m0; 3382 } 3383 if (ms == NULL) { 3384 /* 3385 * Couldn't allocate a new buffer. Don't bother 3386 * trying to replenish the receive queue. 3387 */ 3388 fillok = 0; 3389 sc->tulip_flags |= TULIP_RXBUFSLOW; 3390 #if defined(TULIP_DEBUG) 3391 sc->tulip_dbg.dbg_rxlowbufs++; 3392 #endif 3393 TULIP_PERFEND(rxget); 3394 continue; 3395 } 3396 /* 3397 * Now give the buffer(s) to the TULIP and save in our 3398 * receive queue. 3399 */ 3400 do { 3401 tulip_desc_t * const nextout = ri->ri_nextout; 3402 if (sc->tulip_rxmaps_free > 0) 3403 map = sc->tulip_rxmaps[--sc->tulip_rxmaps_free]; 3404 else { 3405 m_freem(ms); 3406 sc->tulip_flags |= TULIP_RXBUFSLOW; 3407 #if defined(TULIP_DEBUG) 3408 sc->tulip_dbg.dbg_rxlowbufs++; 3409 #endif 3410 break; 3411 } 3412 TULIP_SETCTX(ms, map); 3413 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3414 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3415 if (error) { 3416 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3417 "error = %d\n", TULIP_PRINTF_ARGS, error); 3418 panic("tulip_rx_intr"); /* XXX */ 3419 } 3420 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3421 nextout->d_length1 = map->dm_segs[0].ds_len; 3422 if (map->dm_nsegs == 2) { 3423 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3424 nextout->d_length2 = map->dm_segs[1].ds_len; 3425 } else { 3426 nextout->d_addr2 = 0; 3427 nextout->d_length2 = 0; 3428 } 3429 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3430 nextout->d_status = TULIP_DSTS_OWNER; 3431 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3432 if (++ri->ri_nextout == ri->ri_last) 3433 ri->ri_nextout = ri->ri_first; 3434 me = ms->m_next; 3435 ms->m_next = NULL; 3436 IF_ENQUEUE(&sc->tulip_rxq, ms); 3437 } while ((ms = me) != NULL); 3438 3439 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3440 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3441 TULIP_PERFEND(rxget); 3442 } 3443 3444 #if defined(TULIP_DEBUG) 3445 sc->tulip_dbg.dbg_rxintrs++; 3446 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3447 #endif 3448 TULIP_PERFEND(rxintr); 3449 } 3450 3451 int 3452 tulip_tx_intr(tulip_softc_t * const sc) 3453 { 3454 TULIP_PERFSTART(txintr) 3455 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3456 struct mbuf *m; 3457 int xmits = 0; 3458 int descs = 0; 3459 3460 while (ri->ri_free < ri->ri_max) { 3461 u_int32_t d_flag; 3462 3463 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3464 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3465 break; 3466 3467 ri->ri_free++; 3468 descs++; 3469 d_flag = ri->ri_nextin->d_flag; 3470 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3471 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3472 /* 3473 * We've just finished processing a setup packet. 3474 * Mark that we finished it. If there's not 3475 * another pending, startup the TULIP receiver. 3476 * Make sure we ack the RXSTOPPED so we won't get 3477 * an abormal interrupt indication. 3478 */ 3479 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3480 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3481 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3482 sc->tulip_flags |= TULIP_HASHONLY; 3483 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3484 tulip_rx_intr(sc); 3485 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3486 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3487 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3488 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3489 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3490 } 3491 } else { 3492 const u_int32_t d_status = ri->ri_nextin->d_status; 3493 IF_DEQUEUE(&sc->tulip_txq, m); 3494 if (m != NULL) { 3495 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3496 #ifdef __alpha__ 3497 if (map->_dm_window != NULL) 3498 #endif 3499 TULIP_TXMAP_POSTSYNC(sc, map); 3500 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 3501 #if NBPFILTER > 0 3502 if (sc->tulip_bpf != NULL) 3503 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3504 #endif 3505 m_freem(m); 3506 } 3507 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3508 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3509 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3510 #if defined(TULIP_DEBUG) 3511 if (d_status & TULIP_DSTS_TxNOCARR) 3512 sc->tulip_dbg.dbg_txprobe_nocarr++; 3513 if (d_status & TULIP_DSTS_TxEXCCOLL) 3514 sc->tulip_dbg.dbg_txprobe_exccoll++; 3515 #endif 3516 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3517 } 3518 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3519 /* 3520 * Escape from the loop before media poll has reset the TULIP! 3521 */ 3522 break; 3523 } else { 3524 xmits++; 3525 if (d_status & TULIP_DSTS_ERRSUM) { 3526 sc->tulip_if.if_oerrors++; 3527 if (d_status & TULIP_DSTS_TxEXCCOLL) 3528 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3529 if (d_status & TULIP_DSTS_TxLATECOLL) 3530 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3531 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3532 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3533 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3534 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3535 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3536 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3537 if (d_status & TULIP_DSTS_TxBABBLE) 3538 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3539 } else { 3540 u_int32_t collisions = 3541 (d_status & TULIP_DSTS_TxCOLLMASK) 3542 >> TULIP_DSTS_V_TxCOLLCNT; 3543 sc->tulip_if.if_collisions += collisions; 3544 if (collisions == 1) 3545 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3546 else if (collisions > 1) 3547 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3548 else if (d_status & TULIP_DSTS_TxDEFERRED) 3549 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3550 /* 3551 * SQE is only valid for 10baseT/BNC/AUI when not 3552 * running in full-duplex. In order to speed up the 3553 * test, the corresponding bit in tulip_flags needs to 3554 * set as well to get us to count SQE Test Errors. 3555 */ 3556 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3557 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3558 } 3559 } 3560 } 3561 } 3562 3563 if (++ri->ri_nextin == ri->ri_last) 3564 ri->ri_nextin = ri->ri_first; 3565 3566 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3567 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3568 } 3569 /* 3570 * If nothing left to transmit, disable the timer. 3571 * Else if progress, reset the timer back to 2 ticks. 3572 */ 3573 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3574 sc->tulip_txtimer = 0; 3575 else if (xmits > 0) 3576 sc->tulip_txtimer = TULIP_TXTIMER; 3577 sc->tulip_if.if_opackets += xmits; 3578 TULIP_PERFEND(txintr); 3579 return (descs); 3580 } 3581 3582 void 3583 tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3584 { 3585 #ifdef TULIP_DEBUG 3586 const char * const *msgp = tulip_status_bits; 3587 const char *sep; 3588 u_int32_t mask; 3589 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3590 3591 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3592 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3593 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3594 if ((csr & mask) && *msgp != NULL) { 3595 printf("%s%s", sep, *msgp); 3596 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3597 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3598 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3599 printf(" (switching to store-and-forward mode)"); 3600 else { 3601 printf(" (raising TX threshold to %s)", 3602 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3603 } 3604 } 3605 sep = ", "; 3606 } 3607 } 3608 printf("\n"); 3609 #endif 3610 } 3611 3612 void 3613 tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3614 { 3615 TULIP_PERFSTART(intr) 3616 u_int32_t csr; 3617 3618 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3619 *progress_p = 1; 3620 TULIP_CSR_WRITE(sc, csr_status, csr); 3621 3622 if (csr & TULIP_STS_SYSERROR) { 3623 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3624 if (sc->tulip_flags & TULIP_NOMESSAGES) 3625 sc->tulip_flags |= TULIP_SYSTEMERROR; 3626 else { 3627 #if defined(TULIP_DEBUG) 3628 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3629 TULIP_PRINTF_ARGS, 3630 tulip_system_errors[sc->tulip_last_system_error]); 3631 #endif 3632 } 3633 sc->tulip_flags |= TULIP_NEEDRESET; 3634 sc->tulip_system_errors++; 3635 break; 3636 } 3637 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3638 #if defined(TULIP_DEBUG) 3639 sc->tulip_dbg.dbg_link_intrs++; 3640 #endif 3641 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3642 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3643 ? TULIP_MEDIAPOLL_LINKFAIL 3644 : TULIP_MEDIAPOLL_LINKPASS); 3645 csr &= ~TULIP_STS_ABNRMLINTR; 3646 } 3647 tulip_media_print(sc); 3648 } 3649 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3650 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3651 if (csr & TULIP_STS_RXNOBUF) 3652 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3653 /* 3654 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3655 * on receive overflows. 3656 */ 3657 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3658 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3659 /* 3660 * Stop the receiver process and spin until it's stopped. 3661 * Tell rx_intr to drop the packets it dequeues. 3662 */ 3663 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3664 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3665 ; 3666 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3667 sc->tulip_flags |= TULIP_RXIGNORE; 3668 } 3669 tulip_rx_intr(sc); 3670 if (sc->tulip_flags & TULIP_RXIGNORE) { 3671 /* 3672 * Restart the receiver. 3673 */ 3674 sc->tulip_flags &= ~TULIP_RXIGNORE; 3675 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3676 } 3677 } 3678 if (csr & TULIP_STS_ABNRMLINTR) { 3679 u_int32_t tmp = csr & sc->tulip_intrmask 3680 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3681 if (csr & TULIP_STS_TXUNDERFLOW) { 3682 #if defined(TULIP_DEBUG) 3683 printf ("Underflow interrupt\n"); 3684 #endif 3685 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3686 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3687 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3688 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3689 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3690 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3691 } 3692 } 3693 if (sc->tulip_flags & TULIP_NOMESSAGES) 3694 sc->tulip_statusbits |= tmp; 3695 else { 3696 tulip_print_abnormal_interrupt(sc, tmp); 3697 sc->tulip_flags |= TULIP_NOMESSAGES; 3698 } 3699 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3700 } 3701 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3702 tulip_tx_intr(sc); 3703 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3704 tulip_ifstart(&sc->tulip_if); 3705 } 3706 } 3707 if (sc->tulip_flags & TULIP_NEEDRESET) { 3708 tulip_reset(sc); 3709 tulip_init(sc); 3710 } 3711 TULIP_PERFEND(intr); 3712 } 3713 3714 int 3715 tulip_intr_shared(void *arg) 3716 { 3717 tulip_softc_t * sc = arg; 3718 int progress = 0; 3719 3720 for (; sc != NULL; sc = sc->tulip_slaves) { 3721 #if defined(TULIP_DEBUG) 3722 sc->tulip_dbg.dbg_intrs++; 3723 #endif 3724 tulip_intr_handler(sc, &progress); 3725 } 3726 return (progress); 3727 } 3728 3729 int 3730 tulip_intr_normal(void *arg) 3731 { 3732 tulip_softc_t * sc = (tulip_softc_t *) arg; 3733 int progress = 0; 3734 3735 #if defined(TULIP_DEBUG) 3736 sc->tulip_dbg.dbg_intrs++; 3737 #endif 3738 tulip_intr_handler(sc, &progress); 3739 3740 return (progress); 3741 } 3742 3743 struct mbuf * 3744 tulip_mbuf_compress(struct mbuf *m) 3745 { 3746 struct mbuf *m0; 3747 #if MCLBYTES >= ETHERMTU + 18 3748 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3749 if (m0 != NULL) { 3750 if (m->m_pkthdr.len > MHLEN) { 3751 MCLGET(m0, M_DONTWAIT); 3752 if ((m0->m_flags & M_EXT) == 0) { 3753 m_freem(m); 3754 m_freem(m0); 3755 return (NULL); 3756 } 3757 } 3758 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3759 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3760 } 3761 #else 3762 int mlen = MHLEN; 3763 int len = m->m_pkthdr.len; 3764 struct mbuf **mp = &m0; 3765 3766 while (len > 0) { 3767 if (mlen == MHLEN) 3768 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 3769 else 3770 MGET(*mp, M_DONTWAIT, MT_DATA); 3771 if (*mp == NULL) { 3772 m_freem(m0); 3773 m0 = NULL; 3774 break; 3775 } 3776 if (len > MLEN) { 3777 MCLGET(*mp, M_DONTWAIT); 3778 if (((*mp)->m_flags & M_EXT) == 0) { 3779 m_freem(m0); 3780 m0 = NULL; 3781 break; 3782 } 3783 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3784 else 3785 (*mp)->m_len = len <= mlen ? len : mlen; 3786 m_copydata(m, m->m_pkthdr.len - len, 3787 (*mp)->m_len, mtod((*mp), caddr_t)); 3788 len -= (*mp)->m_len; 3789 mp = &(*mp)->m_next; 3790 mlen = MLEN; 3791 } 3792 #endif 3793 m_freem(m); 3794 return (m0); 3795 } 3796 3797 struct mbuf * 3798 tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3799 { 3800 TULIP_PERFSTART(txput) 3801 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3802 tulip_desc_t *eop, *nextout; 3803 int segcnt, freedescs; 3804 u_int32_t d_status; 3805 bus_dmamap_t map; 3806 int error; 3807 struct ifnet *ifp = &sc->tulip_if; 3808 struct mbuf *ombuf = m; 3809 int compressed = 0; 3810 3811 #if defined(TULIP_DEBUG) 3812 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3813 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 3814 TULIP_PRINTF_ARGS, 3815 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3816 sc->tulip_flags |= TULIP_WANTTXSTART; 3817 sc->tulip_dbg.dbg_txput_finishes[0]++; 3818 goto finish; 3819 } 3820 #endif 3821 3822 /* 3823 * Now we try to fill in our transmit descriptors. This is 3824 * a bit reminiscent of going on the Ark two by two 3825 * since each descriptor for the TULIP can describe 3826 * two buffers. So we advance through packet filling 3827 * each of the two entries at a time to to fill each 3828 * descriptor. Clear the first and last segment bits 3829 * in each descriptor (actually just clear everything 3830 * but the end-of-ring or chain bits) to make sure 3831 * we don't get messed up by previously sent packets. 3832 * 3833 * We may fail to put the entire packet on the ring if 3834 * there is either not enough ring entries free or if the 3835 * packet has more than MAX_TXSEG segments. In the former 3836 * case we will just wait for the ring to empty. In the 3837 * latter case we have to recopy. 3838 */ 3839 d_status = 0; 3840 eop = nextout = ri->ri_nextout; 3841 segcnt = 0; 3842 freedescs = ri->ri_free; 3843 3844 /* 3845 * Reclaim some DMA maps from if we are out. 3846 */ 3847 if (sc->tulip_txmaps_free == 0) { 3848 #if defined(TULIP_DEBUG) 3849 sc->tulip_dbg.dbg_no_txmaps++; 3850 #endif 3851 freedescs += tulip_tx_intr(sc); 3852 } 3853 if (sc->tulip_txmaps_free > 0) 3854 map = sc->tulip_txmaps[sc->tulip_txmaps_free-1]; 3855 else { 3856 sc->tulip_flags |= TULIP_WANTTXSTART; 3857 #if defined(TULIP_DEBUG) 3858 sc->tulip_dbg.dbg_txput_finishes[1]++; 3859 #endif 3860 goto finish; 3861 } 3862 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 3863 if (error != 0) { 3864 if (error == EFBIG) { 3865 /* 3866 * The packet exceeds the number of transmit buffer 3867 * entries that we can use for one packet, so we have 3868 * to recopy it into one mbuf and then try again. 3869 */ 3870 struct mbuf *tmp; 3871 /* 3872 * tulip_mbuf_compress() frees the original mbuf. 3873 * thus, we have to remove the mbuf from the queue 3874 * before calling it. 3875 * we don't have to worry about space shortage 3876 * after compressing the mbuf since the compressed 3877 * mbuf will take only two segs. 3878 */ 3879 if (compressed) { 3880 /* should not happen */ 3881 #ifdef TULIP_DEBUG 3882 printf("tulip_txput: compress called twice!\n"); 3883 #endif 3884 goto finish; 3885 } 3886 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3887 if (tmp != ombuf) 3888 panic("tulip_txput: different mbuf dequeued!"); 3889 compressed = 1; 3890 m = tulip_mbuf_compress(m); 3891 if (m == NULL) { 3892 #if defined(TULIP_DEBUG) 3893 sc->tulip_dbg.dbg_txput_finishes[2]++; 3894 #endif 3895 goto finish; 3896 } 3897 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 3898 } 3899 if (error != 0) { 3900 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 3901 "error = %d\n", TULIP_PRINTF_ARGS, error); 3902 #if defined(TULIP_DEBUG) 3903 sc->tulip_dbg.dbg_txput_finishes[3]++; 3904 #endif 3905 goto finish; 3906 } 3907 } 3908 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3909 /* 3910 * See if there's any unclaimed space in the transmit ring. 3911 */ 3912 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3913 /* 3914 * There's no more room but since nothing 3915 * has been committed at this point, just 3916 * show output is active, put back the 3917 * mbuf and return. 3918 */ 3919 sc->tulip_flags |= TULIP_WANTTXSTART; 3920 #if defined(TULIP_DEBUG) 3921 sc->tulip_dbg.dbg_txput_finishes[4]++; 3922 #endif 3923 bus_dmamap_unload(sc->tulip_dmatag, map); 3924 goto finish; 3925 } 3926 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3927 eop = nextout; 3928 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3929 eop->d_status = d_status; 3930 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3931 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3932 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3933 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3934 d_status = TULIP_DSTS_OWNER; 3935 if (++nextout == ri->ri_last) 3936 nextout = ri->ri_first; 3937 } 3938 if (segcnt < map->dm_nsegs) { 3939 eop = nextout; 3940 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3941 eop->d_status = d_status; 3942 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3943 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3944 eop->d_addr2 = 0; 3945 eop->d_length2 = 0; 3946 if (++nextout == ri->ri_last) 3947 nextout = ri->ri_first; 3948 } 3949 TULIP_TXMAP_PRESYNC(sc, map); 3950 TULIP_SETCTX(m, map); 3951 map = NULL; 3952 --sc->tulip_txmaps_free; /* commit to using the dmamap */ 3953 3954 /* 3955 * The descriptors have been filled in. Now get ready 3956 * to transmit. 3957 */ 3958 if (!compressed && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { 3959 /* remove the mbuf from the queue */ 3960 struct mbuf *tmp; 3961 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3962 if (tmp != ombuf) 3963 panic("tulip_txput: different mbuf dequeued!"); 3964 } 3965 3966 IF_ENQUEUE(&sc->tulip_txq, m); 3967 m = NULL; 3968 3969 /* 3970 * Make sure the next descriptor after this packet is owned 3971 * by us since it may have been set up above if we ran out 3972 * of room in the ring. 3973 */ 3974 nextout->d_status = 0; 3975 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3976 3977 /* 3978 * Mark the last and first segments, indicate we want a transmit 3979 * complete interrupt, and tell it to transmit! 3980 */ 3981 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3982 3983 /* 3984 * Note that ri->ri_nextout is still the start of the packet 3985 * and until we set the OWNER bit, we can still back out of 3986 * everything we have done. 3987 */ 3988 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3989 if (eop < ri->ri_nextout) { 3990 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3991 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 3992 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 3993 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 3994 } else { 3995 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3996 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 3997 } 3998 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 3999 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4000 4001 /* 4002 * This advances the ring for us. 4003 */ 4004 ri->ri_nextout = nextout; 4005 ri->ri_free = freedescs; 4006 4007 TULIP_PERFEND(txput); 4008 4009 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4010 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4011 sc->tulip_if.if_flags |= IFF_OACTIVE; 4012 sc->tulip_if.if_start = tulip_ifstart; 4013 TULIP_PERFEND(txput); 4014 return (NULL); 4015 } 4016 4017 /* 4018 * switch back to the single queueing ifstart. 4019 */ 4020 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4021 if (sc->tulip_txtimer == 0) 4022 sc->tulip_txtimer = TULIP_TXTIMER; 4023 #if defined(TULIP_DEBUG) 4024 sc->tulip_dbg.dbg_txput_finishes[5]++; 4025 #endif 4026 4027 /* 4028 * If we want a txstart, there must be not enough space in the 4029 * transmit ring. So we want to enable transmit done interrupts 4030 * so we can immediately reclaim some space. When the transmit 4031 * interrupt is posted, the interrupt handler will call tx_intr 4032 * to reclaim space and then txstart (since WANTTXSTART is set). 4033 * txstart will move the packet into the transmit ring and clear 4034 * WANTTXSTART thereby causing TXINTR to be cleared. 4035 */ 4036 finish: 4037 #if defined(TULIP_DEBUG) 4038 sc->tulip_dbg.dbg_txput_finishes[6]++; 4039 #endif 4040 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4041 sc->tulip_if.if_flags |= IFF_OACTIVE; 4042 sc->tulip_if.if_start = tulip_ifstart; 4043 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4044 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4045 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4046 } 4047 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4048 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4049 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4050 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4051 } 4052 } 4053 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4054 TULIP_PERFEND(txput); 4055 return (m); 4056 } 4057 4058 void 4059 tulip_txput_setup(tulip_softc_t * const sc) 4060 { 4061 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4062 tulip_desc_t *nextout; 4063 4064 /* 4065 * We will transmit, at most, one setup packet per call to ifstart. 4066 */ 4067 4068 #if defined(TULIP_DEBUG) 4069 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4070 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4071 TULIP_PRINTF_ARGS); 4072 sc->tulip_flags |= TULIP_WANTTXSTART; 4073 sc->tulip_if.if_start = tulip_ifstart; 4074 return; 4075 } 4076 #endif 4077 /* 4078 * Try to reclaim some free descriptors.. 4079 */ 4080 if (ri->ri_free < 2) 4081 tulip_tx_intr(sc); 4082 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4083 sc->tulip_flags |= TULIP_WANTTXSTART; 4084 sc->tulip_if.if_start = tulip_ifstart; 4085 return; 4086 } 4087 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4088 sizeof(sc->tulip_setupbuf)); 4089 /* 4090 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4091 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4092 */ 4093 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4094 ri->ri_free--; 4095 nextout = ri->ri_nextout; 4096 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4097 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4098 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4099 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4100 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4101 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4102 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4103 4104 nextout->d_length2 = 0; 4105 nextout->d_addr2 = 0; 4106 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4107 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4108 if (sc->tulip_setupmap->dm_nsegs == 2) { 4109 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4110 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4111 } 4112 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4113 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4114 4115 /* 4116 * Advance the ring for the next transmit packet. 4117 */ 4118 if (++ri->ri_nextout == ri->ri_last) 4119 ri->ri_nextout = ri->ri_first; 4120 4121 /* 4122 * Make sure the next descriptor is owned by us since it 4123 * may have been set up above if we ran out of room in the 4124 * ring. 4125 */ 4126 ri->ri_nextout->d_status = 0; 4127 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4128 nextout->d_status = TULIP_DSTS_OWNER; 4129 /* 4130 * Flush the ownwership of the current descriptor 4131 */ 4132 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4133 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4134 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4135 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4136 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4137 } 4138 } 4139 4140 /* 4141 * This routine is entered at splnet(). 4142 */ 4143 int 4144 tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4145 { 4146 TULIP_PERFSTART(ifioctl) 4147 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4148 struct ifaddr *ifa = (struct ifaddr *)data; 4149 struct ifreq *ifr = (struct ifreq *) data; 4150 int s; 4151 int error = 0; 4152 4153 s = splnet(); 4154 4155 switch (cmd) { 4156 case SIOCSIFADDR: { 4157 ifp->if_flags |= IFF_UP; 4158 tulip_init(sc); 4159 switch(ifa->ifa_addr->sa_family) { 4160 #ifdef INET 4161 case AF_INET: { 4162 arp_ifinit(&sc->tulip_ac, ifa); 4163 break; 4164 } 4165 #endif /* INET */ 4166 4167 default: { 4168 break; 4169 } 4170 } 4171 break; 4172 } 4173 4174 case SIOCSIFFLAGS: { 4175 tulip_init(sc); 4176 break; 4177 } 4178 4179 case SIOCSIFMEDIA: 4180 case SIOCGIFMEDIA: { 4181 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4182 break; 4183 } 4184 4185 default: 4186 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4187 } 4188 4189 if (error == ENETRESET) { 4190 if (ifp->if_flags & IFF_RUNNING) { 4191 tulip_addr_filter(sc); /* reset multicast filtering */ 4192 tulip_init(sc); 4193 } 4194 error = 0; 4195 } 4196 4197 splx(s); 4198 TULIP_PERFEND(ifioctl); 4199 return (error); 4200 } 4201 4202 /* 4203 * the original dequeueing policy is dequeue-and-prepend if something 4204 * goes wrong. when altq is used, it is changed to peek-and-dequeue. 4205 * the modification becomes a bit complicated since tulip_txput() might 4206 * copy and modify the mbuf passed. 4207 */ 4208 /* 4209 * These routines gets called at device spl (from ether_output). 4210 */ 4211 4212 void 4213 tulip_ifstart(struct ifnet * const ifp) 4214 { 4215 TULIP_PERFSTART(ifstart) 4216 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4217 4218 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4219 4220 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4221 tulip_txput_setup(sc); 4222 4223 while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4224 struct mbuf *m, *m0; 4225 IFQ_POLL(&sc->tulip_if.if_snd, m); 4226 if (m == NULL) 4227 break; 4228 if ((m0 = tulip_txput(sc, m)) != NULL) { 4229 if (m0 != m) 4230 /* should not happen */ 4231 printf("tulip_if_start: txput failed!\n"); 4232 break; 4233 } 4234 } 4235 #ifdef ALTQ 4236 if (0) /* don't switch to the one packet mode */ 4237 #else 4238 if (IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) 4239 #endif 4240 sc->tulip_if.if_start = tulip_ifstart_one; 4241 } 4242 4243 TULIP_PERFEND(ifstart); 4244 } 4245 4246 void 4247 tulip_ifstart_one(struct ifnet * const ifp) 4248 { 4249 TULIP_PERFSTART(ifstart_one) 4250 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4251 4252 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4253 && !IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4254 struct mbuf *m, *m0; 4255 IFQ_POLL(&sc->tulip_if.if_snd, m); 4256 if (m != NULL && (m0 = tulip_txput(sc, m)) != NULL) 4257 if (m0 != m) 4258 /* should not happen */ 4259 printf("tulip_if_start_one: txput failed!\n"); 4260 } 4261 TULIP_PERFEND(ifstart_one); 4262 } 4263 4264 void 4265 tulip_ifwatchdog(struct ifnet *ifp) 4266 { 4267 TULIP_PERFSTART(ifwatchdog) 4268 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4269 4270 #if defined(TULIP_DEBUG) 4271 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4272 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4273 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4274 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4275 #endif /* TULIP_DEBUG */ 4276 4277 sc->tulip_if.if_timer = 1; 4278 /* 4279 * These should be rare so do a bulk test up front so we can just skip 4280 * them if needed. 4281 */ 4282 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4283 /* 4284 * If the number of receive buffer is low, try to refill 4285 */ 4286 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4287 tulip_rx_intr(sc); 4288 4289 #if defined(TULIP_DEBUG) 4290 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4291 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4292 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4293 tulip_system_errors[sc->tulip_last_system_error]); 4294 } 4295 #endif 4296 if (sc->tulip_statusbits) { 4297 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4298 sc->tulip_statusbits = 0; 4299 } 4300 4301 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4302 } 4303 4304 if (sc->tulip_txtimer) 4305 tulip_tx_intr(sc); 4306 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4307 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4308 if (TULIP_DO_AUTOSENSE(sc)) { 4309 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4310 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4311 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4312 } 4313 tulip_reset(sc); 4314 tulip_init(sc); 4315 } 4316 4317 TULIP_PERFEND(ifwatchdog); 4318 TULIP_PERFMERGE(sc, perf_intr_cycles); 4319 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4320 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4321 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4322 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4323 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4324 TULIP_PERFMERGE(sc, perf_txput_cycles); 4325 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4326 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4327 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4328 TULIP_PERFMERGE(sc, perf_intr); 4329 TULIP_PERFMERGE(sc, perf_ifstart); 4330 TULIP_PERFMERGE(sc, perf_ifioctl); 4331 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4332 TULIP_PERFMERGE(sc, perf_timeout); 4333 TULIP_PERFMERGE(sc, perf_ifstart_one); 4334 TULIP_PERFMERGE(sc, perf_txput); 4335 TULIP_PERFMERGE(sc, perf_txintr); 4336 TULIP_PERFMERGE(sc, perf_rxintr); 4337 TULIP_PERFMERGE(sc, perf_rxget); 4338 } 4339 4340 /* 4341 * All printf's are real as of now! 4342 */ 4343 #ifdef printf 4344 #undef printf 4345 #endif 4346 4347 int 4348 tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4349 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4350 { 4351 bus_dma_segment_t segs[1]; 4352 int nsegs, error; 4353 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4354 segs, sizeof(segs)/sizeof(segs[0]), 4355 &nsegs, BUS_DMA_NOWAIT); 4356 if (error == 0) { 4357 void *desc; 4358 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4359 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4360 if (error == 0) { 4361 bus_dmamap_t map; 4362 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4363 BUS_DMA_NOWAIT, &map); 4364 if (error == 0) { 4365 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4366 size, NULL, BUS_DMA_NOWAIT); 4367 if (error) 4368 bus_dmamap_destroy(sc->tulip_dmatag, map); 4369 else 4370 *map_p = map; 4371 } 4372 if (error) 4373 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4374 } 4375 if (error) 4376 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4377 else 4378 *desc_p = desc; 4379 } 4380 return (error); 4381 } 4382 4383 int 4384 tulip_busdma_init(tulip_softc_t * const sc) 4385 { 4386 int error = 0; 4387 4388 /* 4389 * Allocate dmamap for setup descriptor 4390 */ 4391 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4392 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4393 &sc->tulip_setupmap); 4394 if (error == 0) { 4395 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4396 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4397 NULL, BUS_DMA_NOWAIT); 4398 if (error) 4399 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4400 } 4401 /* 4402 * Allocate space and dmamap for transmit ring 4403 */ 4404 if (error == 0) { 4405 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4406 &sc->tulip_txdescmap, 4407 &sc->tulip_txdescs); 4408 } 4409 4410 /* 4411 * Allocate dmamaps for each transmit descriptors 4412 */ 4413 if (error == 0) { 4414 while (error == 0 && sc->tulip_txmaps_free < TULIP_TXDESCS) { 4415 bus_dmamap_t map; 4416 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4417 sc->tulip_txmaps[sc->tulip_txmaps_free++] = map; 4418 } 4419 if (error) { 4420 while (sc->tulip_txmaps_free > 0) 4421 bus_dmamap_destroy(sc->tulip_dmatag, 4422 sc->tulip_txmaps[--sc->tulip_txmaps_free]); 4423 } 4424 } 4425 4426 /* 4427 * Allocate space and dmamap for receive ring 4428 */ 4429 if (error == 0) { 4430 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4431 &sc->tulip_rxdescmap, 4432 &sc->tulip_rxdescs); 4433 } 4434 4435 /* 4436 * Allocate dmamaps for each receive descriptors 4437 */ 4438 if (error == 0) { 4439 while (error == 0 && sc->tulip_rxmaps_free < TULIP_RXDESCS) { 4440 bus_dmamap_t map; 4441 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4442 sc->tulip_rxmaps[sc->tulip_rxmaps_free++] = map; 4443 } 4444 if (error) { 4445 while (sc->tulip_rxmaps_free > 0) 4446 bus_dmamap_destroy(sc->tulip_dmatag, 4447 sc->tulip_rxmaps[--sc->tulip_rxmaps_free]); 4448 } 4449 } 4450 return (error); 4451 } 4452 4453 void 4454 tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4455 { 4456 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4457 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4458 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4459 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4460 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4461 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4462 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4463 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4464 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4465 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4466 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4467 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4468 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4469 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4470 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4471 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4472 } 4473 4474 void 4475 tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4476 tulip_desc_t *descs, int ndescs) 4477 { 4478 ri->ri_max = ndescs; 4479 ri->ri_first = descs; 4480 ri->ri_last = ri->ri_first + ri->ri_max; 4481 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4482 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4483 } 4484 4485 int 4486 tulip_probe(struct device *parent, void *match, void *aux) 4487 { 4488 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4489 4490 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4491 return (0); 4492 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4493 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4494 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4495 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4496 return (2); 4497 4498 return (0); 4499 } 4500 4501 void 4502 tulip_shutdown(void *arg) 4503 { 4504 tulip_softc_t * const sc = arg; 4505 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4506 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4507 33MHz that comes to two microseconds but wait a 4508 bit longer anyways) */ 4509 } 4510 4511 void 4512 tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4513 { 4514 tulip_softc_t * const sc = (tulip_softc_t *) self; 4515 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4516 struct ifnet * const ifp = &sc->tulip_if; 4517 const int unit = sc->tulip_dev.dv_unit; 4518 int retval, idx; 4519 u_int32_t revinfo, cfdainfo, id; 4520 unsigned csroffset = TULIP_PCI_CSROFFSET; 4521 unsigned csrsize = TULIP_PCI_CSRSIZE; 4522 bus_addr_t csr_base; 4523 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4524 4525 if (unit >= TULIP_MAX_DEVICES) { 4526 printf(": not configured; limit of %d reached or exceeded\n", 4527 TULIP_MAX_DEVICES); 4528 return; 4529 } 4530 4531 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4532 id = PCI_CONF_READ(PCI_CFID); 4533 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4534 4535 if (PCI_VENDORID(id) == DEC_VENDORID) { 4536 if (PCI_CHIPID(id) == CHIPID_21040) 4537 chipid = TULIP_21040; 4538 else if (PCI_CHIPID(id) == CHIPID_21041) 4539 chipid = TULIP_21041; 4540 else if (PCI_CHIPID(id) == CHIPID_21140) 4541 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4542 else if (PCI_CHIPID(id) == CHIPID_21142) 4543 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4544 } 4545 4546 if (chipid == TULIP_CHIPID_UNKNOWN) 4547 return; 4548 4549 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4550 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4551 revinfo >> 4, revinfo & 0x0f); 4552 return; 4553 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4554 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4555 revinfo >> 4, revinfo & 0x0f); 4556 return; 4557 } 4558 4559 PCI_GETBUSDEVINFO(sc); 4560 sc->tulip_chipid = chipid; 4561 sc->tulip_flags |= TULIP_DEVICEPROBE; 4562 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4563 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4564 if (chipid == TULIP_21140A && revinfo <= 0x22) 4565 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4566 if (chipid == TULIP_21140) 4567 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4568 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4569 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4570 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4571 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4572 if (chipid != TULIP_21041 || revinfo >= 0x20) 4573 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4574 if (chipid != TULIP_21041) 4575 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4576 if (chipid != TULIP_21041 && revinfo >= 0x20) 4577 sc->tulip_features |= TULIP_HAVE_SIA100; 4578 } 4579 4580 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4581 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4582 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4583 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4584 DELAY(11*1000); 4585 } 4586 4587 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4588 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4589 4590 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4591 sc->tulip_if.if_softc = sc; 4592 sc->tulip_pc = pa->pa_pc; 4593 sc->tulip_dmatag = pa->pa_dmat; 4594 sc->tulip_revinfo = revinfo; 4595 4596 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4597 4598 csr_base = 0; 4599 { 4600 bus_space_tag_t iot, memt; 4601 bus_space_handle_t ioh, memh; 4602 int ioh_valid, memh_valid; 4603 4604 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4605 &iot, &ioh, NULL, NULL, 0) == 0); 4606 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4607 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4608 &memt, &memh, NULL, NULL, 0) == 0); 4609 4610 if (memh_valid) { 4611 sc->tulip_bustag = memt; 4612 sc->tulip_bushandle = memh; 4613 } else if (ioh_valid) { 4614 sc->tulip_bustag = iot; 4615 sc->tulip_bushandle = ioh; 4616 } else { 4617 printf(": unable to map device registers\n"); 4618 return; 4619 } 4620 } 4621 4622 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4623 4624 if ((retval = tulip_busdma_init(sc)) != 0) { 4625 printf(": error initing bus_dma: %d\n", retval); 4626 return; 4627 } 4628 4629 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4630 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4631 4632 /* 4633 * Make sure there won't be any interrupts or such... 4634 */ 4635 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4636 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4637 33MHz that comes to two microseconds but wait a 4638 bit longer anyways) */ 4639 4640 if ((retval = tulip_read_macaddr(sc)) < 0) { 4641 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4642 tulip_chipdescs[sc->tulip_chipid], 4643 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4644 printf(": can't read ENET ROM (why=%d) (", retval); 4645 for (idx = 0; idx < 32; idx++) 4646 printf("%02x", sc->tulip_rombuf[idx]); 4647 printf(", address unknown\n"); 4648 } else { 4649 int (*intr_rtn)(void *) = tulip_intr_normal; 4650 4651 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4652 intr_rtn = tulip_intr_shared; 4653 4654 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4655 pci_intr_handle_t intrhandle; 4656 const char *intrstr; 4657 4658 if (pci_intr_map(pa, &intrhandle)) { 4659 printf(": couldn't map interrupt\n"); 4660 return; 4661 } 4662 4663 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4664 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4665 intr_rtn, sc, self->dv_xname); 4666 if (sc->tulip_ih == NULL) { 4667 printf(": couldn't establish interrupt"); 4668 if (intrstr != NULL) 4669 printf(" at %s", intrstr); 4670 printf("\n"); 4671 return; 4672 } 4673 4674 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4675 sc->tulip_boardid, 4676 tulip_chipdescs[sc->tulip_chipid], 4677 (sc->tulip_revinfo & 0xF0) >> 4, 4678 sc->tulip_revinfo & 0x0F, 4679 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4680 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4681 intrstr, ether_sprintf(sc->tulip_enaddr)); 4682 } 4683 4684 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 4685 if (sc->tulip_ats == NULL) 4686 printf("%s: warning: couldn't establish shutdown hook\n", 4687 sc->tulip_xname); 4688 4689 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4690 ifp->if_ioctl = tulip_ifioctl; 4691 ifp->if_start = tulip_ifstart; 4692 ifp->if_watchdog = tulip_ifwatchdog; 4693 ifp->if_timer = 1; 4694 4695 (*sc->tulip_boardsw->bd_media_probe)(sc); 4696 ifmedia_init(&sc->tulip_ifmedia, 0, 4697 tulip_ifmedia_change, tulip_ifmedia_status); 4698 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4699 tulip_ifmedia_add(sc); 4700 4701 tulip_reset(sc); 4702 4703 IFQ_SET_READY(&ifp->if_snd); 4704 if_attach(ifp); 4705 ether_ifattach(ifp); 4706 } 4707 } 4708