if_de.c revision 1.120
1/* $OpenBSD: if_de.c,v 1.120 2015/05/15 11:36:30 mpi 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/device.h> 51#include <sys/timeout.h> 52 53#include <net/if.h> 54#include <net/if_media.h> 55#include <net/if_types.h> 56#include <net/if_dl.h> 57#include <net/netisr.h> 58 59#include "bpfilter.h" 60#if NBPFILTER > 0 61#include <net/bpf.h> 62#endif 63 64#include <netinet/in.h> 65#include <netinet/if_ether.h> 66 67#include <machine/bus.h> 68#include <machine/intr.h> 69#include <dev/pci/pcireg.h> 70#include <dev/pci/pcivar.h> 71#include <dev/ic/dc21040reg.h> 72 73/* 74 * Intel CPUs should use I/O mapped access. 75 */ 76#if defined(__i386__) 77#define TULIP_IOMAPPED 78#endif 79 80#define TULIP_HZ 10 81 82#define TULIP_SIAGEN_WATCHDOG 0 83 84#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 85 86#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 87#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 88 89#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 90#define tulip_srom_crcok(databuf) ( \ 91 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 92 ((databuf)[126] | ((databuf)[127] << 8))) 93 94/* 95 * This is the PCI configuration support. Since the 21040 is available 96 * on both EISA and PCI boards, one must be careful in how defines the 97 * 21040 in the config file. 98 */ 99 100#define PCI_CFID 0x00 /* Configuration ID */ 101#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 102#define PCI_CFRV 0x08 /* Configuration Revision */ 103#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 104#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 105#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 106#define PCI_CFIT 0x3c /* Configuration Interrupt */ 107#define PCI_CFDA 0x40 /* Configuration Driver Area */ 108 109#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 110#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 111#define PCI_GETBUSDEVINFO(sc) do { \ 112 (sc)->tulip_pci_busno = parent; \ 113 (sc)->tulip_pci_devno = pa->pa_device; \ 114 } while (0) 115 116#include <dev/pci/if_devar.h> 117/* 118 * This module supports 119 * the DEC 21040 PCI Ethernet Controller. 120 * the DEC 21041 PCI Ethernet Controller. 121 * the DEC 21140 PCI Fast Ethernet Controller. 122 */ 123int tulip_probe(struct device *parent, void *match, void *aux); 124void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 125 126struct cfattach de_ca = { 127 sizeof(tulip_softc_t), tulip_probe, tulip_attach 128}; 129 130struct cfdriver de_cd = { 131 NULL, "de", DV_IFNET 132}; 133 134void tulip_timeout_callback(void *arg); 135void tulip_timeout(tulip_softc_t * const sc); 136int tulip_txprobe(tulip_softc_t * const sc); 137void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 138void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 139void tulip_media_print(tulip_softc_t * const sc); 140tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 141void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 142void tulip_media_select(tulip_softc_t * const sc); 143 144void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 145void tulip_21040_media_probe(tulip_softc_t * const sc); 146void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 147void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 148void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 149void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 150 151void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 152void tulip_21041_media_probe(tulip_softc_t * const sc); 153void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 154 155tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 156unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 157int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 158void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 159 160void tulip_2114x_media_preset(tulip_softc_t * const sc); 161 162void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 163 164void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 165 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 166void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 167void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 168void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 169void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 170void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 171 172void tulip_2114x_media_probe(tulip_softc_t * const sc); 173 174void tulip_delay_300ns(tulip_softc_t * const sc); 175void tulip_srom_idle(tulip_softc_t * const sc); 176void tulip_srom_read(tulip_softc_t * const sc); 177void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 178void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 179unsigned tulip_mii_readbits(tulip_softc_t * const sc); 180unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 181void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 182 unsigned data); 183 184void tulip_identify_dec_nic(tulip_softc_t * const sc); 185void tulip_identify_znyx_nic(tulip_softc_t * const sc); 186void tulip_identify_smc_nic(tulip_softc_t * const sc); 187void tulip_identify_cogent_nic(tulip_softc_t * const sc); 188void tulip_identify_accton_nic(tulip_softc_t * const sc); 189void tulip_identify_asante_nic(tulip_softc_t * const sc); 190void tulip_identify_compex_nic(tulip_softc_t * const sc); 191 192int tulip_srom_decode(tulip_softc_t * const sc); 193int tulip_read_macaddr(tulip_softc_t * const sc); 194void tulip_ifmedia_add(tulip_softc_t * const sc); 195int tulip_ifmedia_change(struct ifnet * const ifp); 196void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 197void tulip_addr_filter(tulip_softc_t * const sc); 198void tulip_reset(tulip_softc_t * const sc); 199void tulip_init(tulip_softc_t * const sc); 200void tulip_rx_intr(tulip_softc_t * const sc); 201int tulip_tx_intr(tulip_softc_t * const sc); 202void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 203void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 204int tulip_intr_shared(void *arg); 205int tulip_intr_normal(void *arg); 206struct mbuf *tulip_mbuf_compress(struct mbuf *m); 207struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int); 208void tulip_txput_setup(tulip_softc_t * const sc); 209int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 210void tulip_ifstart(struct ifnet *ifp); 211void tulip_ifwatchdog(struct ifnet *ifp); 212int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 213 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 214int tulip_busdma_init(tulip_softc_t * const sc); 215void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 216void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 217 tulip_desc_t *descs, int ndescs); 218 219bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *); 220void tulip_free_rxmap(tulip_softc_t *, bus_dmamap_t); 221bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *); 222void tulip_free_txmap(tulip_softc_t *, bus_dmamap_t); 223 224void 225tulip_timeout_callback(void *arg) 226{ 227 tulip_softc_t * const sc = arg; 228 int s; 229 230 s = splnet(); 231 232 TULIP_PERFSTART(timeout) 233 234 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 235 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 236 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 237 238 TULIP_PERFEND(timeout); 239 splx(s); 240} 241 242void 243tulip_timeout(tulip_softc_t * const sc) 244{ 245 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 246 return; 247 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 248 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 249} 250 251int 252tulip_txprobe(tulip_softc_t * const sc) 253{ 254 struct mbuf *m; 255 256 /* 257 * Before we are sure this is the right media we need 258 * to send a small packet to make sure there's carrier. 259 * Strangely, BNC and AUI will "see" receive data if 260 * either is connected so the transmit is the only way 261 * to verify the connectivity. 262 */ 263 MGETHDR(m, M_DONTWAIT, MT_DATA); 264 if (m == NULL) 265 return (0); 266 /* 267 * Construct a LLC TEST message which will point to ourselves. 268 */ 269 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 270 ETHER_ADDR_LEN); 271 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 272 ETHER_ADDR_LEN); 273 mtod(m, struct ether_header *)->ether_type = htons(3); 274 mtod(m, unsigned char *)[14] = 0; 275 mtod(m, unsigned char *)[15] = 0; 276 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 277 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 278 /* 279 * send it! 280 */ 281 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 282 sc->tulip_intrmask |= TULIP_STS_TXINTR; 283 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 284 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 285 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 286 if ((m = tulip_txput(sc, m, 1)) != NULL) 287 m_freem(m); 288 sc->tulip_probe.probe_txprobes++; 289 return (1); 290} 291 292void 293tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 294{ 295 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 296 297 if (mi == NULL) 298 return; 299 300 /* Reset the SIA first 301 */ 302 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 303 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 304 305 /* Next, set full duplex if needed. 306 */ 307 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 308#ifdef TULIP_DEBUG 309 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 310 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 311 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 312 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 313#endif 314 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 315 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 316 } 317 318 /* Now setup the media. 319 * 320 * If we are switching media, make sure we don't think there's 321 * any stale RX activity 322 */ 323 sc->tulip_flags &= ~TULIP_RXACT; 324 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 325 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 326 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 327 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 328 DELAY(50); 329 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 330 } else 331 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 332 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 333 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 334 /* 335 * If the cmdmode bits don't match the currently operating mode, 336 * set the cmdmode appropriately and reset the chip. 337 */ 338 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 339 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 340 sc->tulip_cmdmode |= mi->mi_cmdmode; 341 tulip_reset(sc); 342 } 343 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 344 DELAY(10); 345 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 346 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 347 /* 348 * If the cmdmode bits don't match the currently operating mode, 349 * set the cmdmode appropriately and reset the chip. 350 */ 351 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 352 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 353 sc->tulip_cmdmode |= mi->mi_cmdmode; 354 tulip_reset(sc); 355 } 356 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 357 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 358 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 359 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 360 int idx; 361 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 362 const u_int8_t *dp; 363 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 364 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 365 DELAY(10); 366 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 367 } 368 sc->tulip_phyaddr = mi->mi_phyaddr; 369 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 370 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 371 DELAY(10); 372 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 373 } 374 } else { 375 for (idx = 0; idx < mi->mi_reset_length; idx++) { 376 DELAY(10); 377 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 378 } 379 sc->tulip_phyaddr = mi->mi_phyaddr; 380 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 381 DELAY(10); 382 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 383 } 384 } 385 386 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 387 /* Set the SIA port into MII mode */ 388 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 389 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 390 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 391 } 392 393 if (sc->tulip_flags & TULIP_TRYNWAY) 394 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 395 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 396 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 397 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 398 sc->tulip_flags &= ~TULIP_DIDNWAY; 399 if (TULIP_IS_MEDIA_FD(media)) 400 data |= PHYCTL_FULL_DUPLEX; 401 if (TULIP_IS_MEDIA_100MB(media)) 402 data |= PHYCTL_SELECT_100MB; 403 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 404 } 405 } 406} 407 408void 409tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 410{ 411 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 412 sc->tulip_flags |= TULIP_PRINTLINKUP; 413 sc->tulip_flags |= TULIP_LINKUP; 414 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 415 if (sc->tulip_media != media) { 416#ifdef TULIP_DEBUG 417 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 418#endif 419 sc->tulip_media = media; 420 sc->tulip_flags |= TULIP_PRINTMEDIA; 421 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 422 sc->tulip_flags |= TULIP_FULLDUPLEX; 423 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 424 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 425 } 426 /* 427 * We could set probe_timeout to 0 but setting to 3000 puts this 428 * in one central place and the only matters is tulip_link is 429 * followed by a tulip_timeout. Therefore setting it should not 430 * result in aberrant behavour. 431 */ 432 sc->tulip_probe_timeout = 3000; 433 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 434 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 435 if (sc->tulip_flags & TULIP_INRESET) 436 tulip_media_set(sc, sc->tulip_media); 437 else if (sc->tulip_probe_media != sc->tulip_media) { 438 /* 439 * No reason to change media if we have the right media. 440 */ 441 tulip_reset(sc); 442 } 443 tulip_init(sc); 444} 445 446void 447tulip_media_print(tulip_softc_t * const sc) 448{ 449 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 450 return; 451 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 452#ifdef TULIP_DEBUG 453 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 454 TULIP_PRINTF_ARGS, 455 tulip_mediums[sc->tulip_media]); 456#endif 457 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 458 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 459#ifdef TULIP_DEBUG 460 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 461#endif 462 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 463 } 464} 465 466tulip_link_status_t 467tulip_media_link_monitor(tulip_softc_t * const sc) 468{ 469 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 470 tulip_link_status_t linkup = TULIP_LINK_DOWN; 471 472 if (mi == NULL) { 473#if defined(TULIP_DEBUG) 474 printf("tulip_media_link_monitor: %s: botch at line %d\n", 475 tulip_mediums[sc->tulip_media],__LINE__); 476#endif 477 return (TULIP_LINK_UNKNOWN); 478 } 479 480 481 /* 482 * Have we seen some packets? If so, the link must be good. 483 */ 484 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 485 sc->tulip_flags &= ~TULIP_RXACT; 486 sc->tulip_probe_timeout = 3000; 487 return (TULIP_LINK_UP); 488 } 489 490 sc->tulip_flags &= ~TULIP_RXACT; 491 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 492 u_int32_t status; 493 /* 494 * Read the PHY status register. 495 */ 496 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 497 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 498 if (status & PHYSTS_AUTONEG_DONE) { 499 /* 500 * If the PHY has completed autonegotiation, see the if the 501 * remote systems abilities have changed. If so, upgrade or 502 * downgrade as appropriate. 503 */ 504 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 505 abilities = (abilities << 6) & status; 506 if (abilities != sc->tulip_abilities) { 507#if defined(TULIP_DEBUG) 508 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 509 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 510 sc->tulip_abilities, abilities); 511#endif 512 if (tulip_mii_map_abilities(sc, abilities)) { 513 tulip_linkup(sc, sc->tulip_probe_media); 514 return (TULIP_LINK_UP); 515 } 516 /* 517 * if we had selected media because of autonegotiation, 518 * we need to probe for the new media. 519 */ 520 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 521 if (sc->tulip_flags & TULIP_DIDNWAY) 522 return (TULIP_LINK_DOWN); 523 } 524 } 525 /* 526 * The link is now up. If was down, say its back up. 527 */ 528 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 529 linkup = TULIP_LINK_UP; 530 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 531 /* 532 * No activity sensor? Assume all's well. 533 */ 534 if (mi->mi_actmask == 0) 535 return (TULIP_LINK_UNKNOWN); 536 /* 537 * Does the activity data match? 538 */ 539 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 540 linkup = TULIP_LINK_UP; 541 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 542 /* 543 * Assume non TP ok for now. 544 */ 545 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 546 return (TULIP_LINK_UNKNOWN); 547 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 548 linkup = TULIP_LINK_UP; 549#if defined(TULIP_DEBUG) 550 if (sc->tulip_probe_timeout <= 0) 551 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 552#endif 553 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 554 return (TULIP_LINK_UNKNOWN); 555 /* 556 * We will wait for 3 seconds until the link goes into suspect mode. 557 */ 558 if (sc->tulip_flags & TULIP_LINKUP) { 559 if (linkup == TULIP_LINK_UP) 560 sc->tulip_probe_timeout = 3000; 561 if (sc->tulip_probe_timeout > 0) 562 return (TULIP_LINK_UP); 563 564 sc->tulip_flags &= ~TULIP_LINKUP; 565 } 566#if defined(TULIP_DEBUG) 567 sc->tulip_dbg.dbg_link_downed++; 568#endif 569 return (TULIP_LINK_DOWN); 570} 571 572void 573tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 574{ 575#if defined(TULIP_DEBUG) 576 sc->tulip_dbg.dbg_events[event]++; 577#endif 578 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 579 && event == TULIP_MEDIAPOLL_TIMER) { 580 switch (tulip_media_link_monitor(sc)) { 581 case TULIP_LINK_DOWN: { 582 /* 583 * Link Monitor failed. Probe for new media. 584 */ 585 event = TULIP_MEDIAPOLL_LINKFAIL; 586 break; 587 } 588 case TULIP_LINK_UP: { 589 /* 590 * Check again soon. 591 */ 592 tulip_timeout(sc); 593 return; 594 } 595 case TULIP_LINK_UNKNOWN: { 596 /* 597 * We can't tell so don't bother. 598 */ 599 return; 600 } 601 } 602 } 603 604 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 605 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 606 if (TULIP_DO_AUTOSENSE(sc)) { 607#if defined(TULIP_DEBUG) 608 sc->tulip_dbg.dbg_link_failures++; 609#endif 610 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 611 if (sc->tulip_if.if_flags & IFF_UP) 612 tulip_reset(sc); /* restart probe */ 613 } 614 return; 615 } 616#if defined(TULIP_DEBUG) 617 sc->tulip_dbg.dbg_link_pollintrs++; 618#endif 619 } 620 621 if (event == TULIP_MEDIAPOLL_START) { 622 sc->tulip_if.if_flags |= IFF_OACTIVE; 623 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 624 return; 625 sc->tulip_probe_mediamask = 0; 626 sc->tulip_probe_passes = 0; 627#if defined(TULIP_DEBUG) 628 sc->tulip_dbg.dbg_media_probes++; 629#endif 630 /* 631 * If the SROM contained an explicit media to use, use it. 632 */ 633 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 634 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 635 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 636 /* 637 * connidx is defaulted to a media_unknown type. 638 */ 639 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 640 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 641 tulip_linkup(sc, sc->tulip_probe_media); 642 tulip_timeout(sc); 643 return; 644 } 645 646 if (sc->tulip_features & TULIP_HAVE_GPR) { 647 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 648 sc->tulip_probe_timeout = 2000; 649 } else { 650 sc->tulip_probe_media = TULIP_MEDIA_MAX; 651 sc->tulip_probe_timeout = 0; 652 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 653 } 654 } 655 656 /* 657 * Ignore txprobe failures or spurious callbacks. 658 */ 659 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 660 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 661 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 662 return; 663 } 664 665 /* 666 * If we really transmitted a packet, then that's the media we'll use. 667 */ 668 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 669 if (event == TULIP_MEDIAPOLL_LINKPASS) { 670 /* XXX Check media status just to be sure */ 671 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 672#if defined(TULIP_DEBUG) 673 } else { 674 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 675#endif 676 } 677 tulip_linkup(sc, sc->tulip_probe_media); 678 tulip_timeout(sc); 679 return; 680 } 681 682 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 683 /* 684 * Brute force. We cycle through each of the media types 685 * and try to transmit a packet. 686 */ 687 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 688 sc->tulip_probe_media = TULIP_MEDIA_MAX; 689 sc->tulip_probe_timeout = 0; 690 tulip_timeout(sc); 691 return; 692 } 693 694 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 695 && (sc->tulip_features & TULIP_HAVE_MII)) { 696 tulip_media_t old_media = sc->tulip_probe_media; 697 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 698 switch (sc->tulip_probe_state) { 699 case TULIP_PROBE_FAILED: 700 case TULIP_PROBE_MEDIATEST: { 701 /* 702 * Try the next media. 703 */ 704 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 705 sc->tulip_probe_timeout = 0; 706 break; 707 } 708 case TULIP_PROBE_PHYAUTONEG: { 709 return; 710 } 711 case TULIP_PROBE_INACTIVE: { 712 /* 713 * Only probe if we autonegotiated a media that hasn't failed. 714 */ 715 sc->tulip_probe_timeout = 0; 716 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 717 sc->tulip_probe_media = old_media; 718 break; 719 } 720 tulip_linkup(sc, sc->tulip_probe_media); 721 tulip_timeout(sc); 722 return; 723 } 724 default: { 725#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 726 printf("tulip_media_poll: botch at line %d\n", __LINE__); 727#endif 728 break; 729 } 730 } 731 } 732 733 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 734#if defined(TULIP_DEBUG) 735 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 736#endif 737 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 738 return; 739 } 740 741 /* 742 * Switch to another media if we tried this one enough. 743 */ 744 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 745#if defined(TULIP_DEBUG) 746 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 747 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 748 TULIP_PRINTF_ARGS); 749 sc->tulip_probe_media = TULIP_MEDIA_MAX; 750 } 751#endif 752 /* 753 * Find the next media type to check for. Full Duplex 754 * types are not allowed. 755 */ 756 do { 757 sc->tulip_probe_media -= 1; 758 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 759 if (++sc->tulip_probe_passes == 3) { 760 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 761 sc->tulip_if.if_flags &= ~IFF_RUNNING; 762 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 763 return; 764 } 765 } 766 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 767 sc->tulip_probe_mediamask = 0; 768 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 769 } 770 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 771 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 772 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 773 774#if defined(TULIP_DEBUG) 775 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 776 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 777 tulip_mediums[sc->tulip_probe_media]); 778#endif 779 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 780 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 781 sc->tulip_probe.probe_txprobes = 0; 782 tulip_reset(sc); 783 tulip_media_set(sc, sc->tulip_probe_media); 784 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 785 } 786 tulip_timeout(sc); 787 788 /* 789 * If this is hanging off a phy, we know are doing NWAY and we have 790 * forced the phy to a specific speed. Wait for link up before 791 * before sending a packet. 792 */ 793 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 794 case TULIP_MEDIAINFO_MII: { 795 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 796 return; 797 break; 798 } 799 case TULIP_MEDIAINFO_SIA: { 800 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 801 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 802 return; 803 tulip_linkup(sc, sc->tulip_probe_media); 804 return; 805 } 806 break; 807 } 808 case TULIP_MEDIAINFO_RESET: 809 case TULIP_MEDIAINFO_SYM: 810 case TULIP_MEDIAINFO_NONE: 811 case TULIP_MEDIAINFO_GPR: { 812 break; 813 } 814 } 815 /* 816 * Try to send a packet. 817 */ 818 tulip_txprobe(sc); 819} 820 821void 822tulip_media_select(tulip_softc_t * const sc) 823{ 824 if (sc->tulip_features & TULIP_HAVE_GPR) { 825 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 826 DELAY(10); 827 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 828 } 829 /* 830 * If this board has no media, just return 831 */ 832 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 833 return; 834 835 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 836 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 837 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 838 } else 839 tulip_media_set(sc, sc->tulip_media); 840} 841 842void 843tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 844{ 845 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 846 |TULIP_CMD_BACKOFFCTR; 847 sc->tulip_if.if_baudrate = 10000000; 848 849 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 850 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 851 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 852 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 853 } 854 855 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 856 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 857 858 if (media == TULIP_MEDIA_UNKNOWN) 859 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 860} 861 862void 863tulip_21040_media_probe(tulip_softc_t * const sc) 864{ 865 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 866} 867 868void 869tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 870{ 871 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 872 tulip_media_set(sc, TULIP_MEDIA_10BASET); 873 sc->tulip_media = TULIP_MEDIA_10BASET; 874} 875 876void 877tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 878{ 879 sc->tulip_flags |= TULIP_LINKUP; 880 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 881 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 882 sc->tulip_flags &= ~TULIP_SQETEST; 883 } else { 884 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 885 sc->tulip_flags |= TULIP_SQETEST; 886 } 887 tulip_media_set(sc, sc->tulip_media); 888} 889 890void 891tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 892{ 893 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 894 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 895 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 896 sc->tulip_media = TULIP_MEDIA_AUIBNC; 897} 898 899void 900tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 901{ 902 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 903 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 904} 905 906static const tulip_boardsw_t tulip_21040_boardsw = { 907 TULIP_21040_GENERIC, 908 tulip_21040_media_probe, 909 tulip_media_select, 910 tulip_media_poll, 911}; 912 913static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 914 TULIP_21040_GENERIC, 915 tulip_21040_10baset_only_media_probe, 916 tulip_21040_10baset_only_media_select, 917 NULL, 918}; 919 920static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 921 TULIP_21040_GENERIC, 922 tulip_21040_auibnc_only_media_probe, 923 tulip_21040_auibnc_only_media_select, 924 NULL, 925}; 926 927void 928tulip_21041_mediainfo_init(tulip_softc_t * const sc) 929{ 930 tulip_media_info_t * const mi = sc->tulip_mediainfo; 931 932 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 933 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 934 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 935 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 936} 937 938void 939tulip_21041_media_probe(tulip_softc_t * const sc) 940{ 941 sc->tulip_if.if_baudrate = 10000000; 942 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 943 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 944 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 945 tulip_21041_mediainfo_init(sc); 946} 947 948void 949tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 950{ 951 u_int32_t sia_status; 952 953#if defined(TULIP_DEBUG) 954 sc->tulip_dbg.dbg_events[event]++; 955#endif 956 957 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 958 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 959 || !TULIP_DO_AUTOSENSE(sc)) 960 return; 961 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 962 tulip_reset(sc); /* start probe */ 963 return; 964 } 965 966 /* 967 * If we've been been asked to start a poll or link change interrupt 968 * restart the probe (and reset the tulip to a known state). 969 */ 970 if (event == TULIP_MEDIAPOLL_START) { 971 sc->tulip_if.if_flags |= IFF_OACTIVE; 972 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 973 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 974 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 975 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 976 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 977 tulip_media_set(sc, TULIP_MEDIA_10BASET); 978 tulip_timeout(sc); 979 return; 980 } 981 982 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 983 return; 984 985 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 986#if defined(TULIP_DEBUG) 987 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 988#endif 989 tulip_linkup(sc, sc->tulip_probe_media); 990 return; 991 } 992 993 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 994 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 995 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 996 if (sc->tulip_revinfo >= 0x20) { 997 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 998 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 999 } 1000 /* 1001 * If the link has passed LinkPass, 10baseT is the 1002 * proper media to use. 1003 */ 1004 tulip_linkup(sc, sc->tulip_probe_media); 1005 return; 1006 } 1007 1008 /* 1009 * wait for up to 2.4 seconds for the link to reach pass state. 1010 * Only then start scanning the other media for activity. 1011 * choose media with receive activity over those without. 1012 */ 1013 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1014 if (event != TULIP_MEDIAPOLL_TIMER) 1015 return; 1016 if (sc->tulip_probe_timeout > 0 1017 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1018 tulip_timeout(sc); 1019 return; 1020 } 1021 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1022 sc->tulip_flags |= TULIP_WANTRXACT; 1023 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1024 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1025 else 1026 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1027 tulip_media_set(sc, sc->tulip_probe_media); 1028 tulip_timeout(sc); 1029 return; 1030 } 1031 1032 /* 1033 * If we failed, clear the txprobe active flag. 1034 */ 1035 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1036 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1037 1038 1039 if (event == TULIP_MEDIAPOLL_TIMER) { 1040 /* 1041 * If we've received something, then that's our link! 1042 */ 1043 if (sc->tulip_flags & TULIP_RXACT) { 1044 tulip_linkup(sc, sc->tulip_probe_media); 1045 return; 1046 } 1047 /* 1048 * if no txprobe active 1049 */ 1050 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1051 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1052 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1053 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1054 tulip_txprobe(sc); 1055 tulip_timeout(sc); 1056 return; 1057 } 1058 /* 1059 * Take 2 passes through before deciding to not 1060 * wait for receive activity. Then take another 1061 * two passes before spitting out a warning. 1062 */ 1063 if (sc->tulip_probe_timeout <= 0) { 1064 if (sc->tulip_flags & TULIP_WANTRXACT) { 1065 sc->tulip_flags &= ~TULIP_WANTRXACT; 1066 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1067 } else { 1068 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1069 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1070 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1071 return; 1072 } 1073 } 1074 } 1075 } 1076 1077 /* 1078 * Since this media failed to probe, try the other one. 1079 */ 1080 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1081 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1082 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1083 else 1084 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1085 tulip_media_set(sc, sc->tulip_probe_media); 1086 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1087 tulip_timeout(sc); 1088} 1089 1090static const tulip_boardsw_t tulip_21041_boardsw = { 1091 TULIP_21041_GENERIC, 1092 tulip_21041_media_probe, 1093 tulip_media_select, 1094 tulip_21041_media_poll 1095}; 1096 1097static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1098 { 0x20005c00, 0, /* 08-00-17 */ 1099 { 1100 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1101 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1102 }, 1103#if defined(TULIP_DEBUG) 1104 "NS DP83840", 1105#endif 1106 }, 1107 { 0x0281F400, 0, /* 00-A0-7D */ 1108 { 1109 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1110 { 0 }, /* 100TX */ 1111 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1112 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1113 }, 1114#if defined(TULIP_DEBUG) 1115 "Seeq 80C240" 1116#endif 1117 }, 1118 { 0x0281F400, 3, /* 00-A0-7D */ 1119 { 1120 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1121 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1122 { 0 }, /* 100T4 */ 1123 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1124 }, 1125#if defined(TULIP_DEBUG) 1126 "Seeq 80225" 1127#endif 1128 }, 1129 { 0x0281F400, 0, /* 00-A0-BE */ 1130 { 1131 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1132 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1133 { 0 }, /* 100T4 */ 1134 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1135 }, 1136#if defined(TULIP_DEBUG) 1137 "ICS 1890" 1138#endif 1139 }, 1140 { 0x78100000, 0, /* 00-A0-CC */ 1141 { 1142 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1143 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1144 { 0 }, /* 100T4 */ 1145 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1146 }, 1147#if defined(TULIP_DEBUG) 1148 "LEVEL1 LXT970" 1149#endif 1150 }, 1151 { 0 } 1152}; 1153 1154tulip_media_t 1155tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1156{ 1157 const tulip_phy_attr_t *attr; 1158 u_int16_t data; 1159 u_int32_t id; 1160 unsigned idx = 0; 1161 static const tulip_media_t table[] = { 1162 TULIP_MEDIA_UNKNOWN, 1163 TULIP_MEDIA_10BASET, 1164 TULIP_MEDIA_100BASETX, 1165 TULIP_MEDIA_100BASET4, 1166 TULIP_MEDIA_UNKNOWN, 1167 TULIP_MEDIA_10BASET_FD, 1168 TULIP_MEDIA_100BASETX_FD, 1169 TULIP_MEDIA_UNKNOWN 1170 }; 1171 1172 /* 1173 * Don't read phy specific registers if link is not up. 1174 */ 1175 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1176 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1177 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1178 return (TULIP_MEDIA_UNKNOWN); 1179 1180 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1181 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1182 for (attr = tulip_mii_phy_attrlist;; attr++) { 1183 if (attr->attr_id == 0) 1184 return (TULIP_MEDIA_UNKNOWN); 1185 if ((id & ~0x0F) == attr->attr_id) 1186 break; 1187 } 1188 1189 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1190 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1191 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1192 if ((data & pm->pm_mask) == pm->pm_value) 1193 idx = 2; 1194 } 1195 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1196 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1197 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1198 if ((data & pm->pm_mask) == pm->pm_value) 1199 idx = 3; 1200 } 1201 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1202 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1203 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1204 if ((data & pm->pm_mask) == pm->pm_value) 1205 idx = 1; 1206 } 1207 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1208 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1209 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1210 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1211 } 1212 return (table[idx]); 1213} 1214 1215unsigned 1216tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1217{ 1218 unsigned phyaddr; 1219 1220 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1221 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1222 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1223 continue; 1224 if (offset == 0) 1225 return (phyaddr); 1226 offset--; 1227 } 1228 if (offset == 0) { 1229 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1230 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1231 return (TULIP_MII_NOPHY); 1232 return (0); 1233 } 1234 return (TULIP_MII_NOPHY); 1235} 1236 1237int 1238tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1239{ 1240 sc->tulip_abilities = abilities; 1241 if (abilities & PHYSTS_100BASETX_FD) 1242 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1243 else if (abilities & PHYSTS_100BASET4) 1244 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1245 else if (abilities & PHYSTS_100BASETX) 1246 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1247 else if (abilities & PHYSTS_10BASET_FD) 1248 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1249 else if (abilities & PHYSTS_10BASET) 1250 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1251 else { 1252 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1253 return (0); 1254 } 1255 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1256 return (1); 1257} 1258 1259void 1260tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1261{ 1262 switch (sc->tulip_probe_state) { 1263 case TULIP_PROBE_MEDIATEST: 1264 case TULIP_PROBE_INACTIVE: { 1265 sc->tulip_flags |= TULIP_DIDNWAY; 1266 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1267 sc->tulip_probe_timeout = 3000; 1268 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1269 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1270 /* FALLTHROUGH */ 1271 } 1272 case TULIP_PROBE_PHYRESET: { 1273 u_int32_t status; 1274 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1275 if (data & PHYCTL_RESET) { 1276 if (sc->tulip_probe_timeout > 0) { 1277 tulip_timeout(sc); 1278 return; 1279 } 1280#ifdef TULIP_DEBUG 1281 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1282 TULIP_PRINTF_ARGS, phyaddr); 1283#endif 1284 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1285 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1286 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1287 return; 1288 } 1289 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1290 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1291 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1292#if defined(TULIP_DEBUG) 1293 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1294 TULIP_PRINTF_ARGS, phyaddr); 1295#endif 1296 sc->tulip_flags &= ~TULIP_DIDNWAY; 1297 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1298 return; 1299 } 1300 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1301 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1302 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1303 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1304#if defined(TULIP_DEBUG) 1305 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1306 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1307 TULIP_PRINTF_ARGS, phyaddr, data); 1308 else 1309 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1310 TULIP_PRINTF_ARGS, phyaddr, data, 1311 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1312 sc->tulip_dbg.dbg_nway_starts++; 1313#endif 1314 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1315 sc->tulip_probe_timeout = 3000; 1316 /* FALLTHROUGH */ 1317 } 1318 case TULIP_PROBE_PHYAUTONEG: { 1319 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1320 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1321 u_int32_t data; 1322 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1323 if (sc->tulip_probe_timeout > 0) { 1324 tulip_timeout(sc); 1325 return; 1326 } 1327#if defined(TULIP_DEBUG) 1328 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1329 TULIP_PRINTF_ARGS, phyaddr, status, 1330 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1331#endif 1332 sc->tulip_flags &= ~TULIP_DIDNWAY; 1333 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1334 return; 1335 } 1336 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1337 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1338#if defined(TULIP_DEBUG) 1339 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1340 TULIP_PRINTF_ARGS, phyaddr, data, status); 1341#endif 1342 data = (data << 6) & status; 1343 if (!tulip_mii_map_abilities(sc, data)) 1344 sc->tulip_flags &= ~TULIP_DIDNWAY; 1345 return; 1346 } 1347 default: { 1348#if defined(DIAGNOSTIC) 1349 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1350#endif 1351 break; 1352 } 1353 } 1354#if defined(TULIP_DEBUG) 1355 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1356 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1357 sc->tulip_dbg.dbg_nway_failures++; 1358#endif 1359} 1360 1361void 1362tulip_2114x_media_preset(tulip_softc_t * const sc) 1363{ 1364 const tulip_media_info_t *mi = NULL; 1365 tulip_media_t media = sc->tulip_media; 1366 1367 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1368 media = sc->tulip_media; 1369 else 1370 media = sc->tulip_probe_media; 1371 1372 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1373 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1374 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1375 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1376#if defined(TULIP_DEBUG) 1377 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1378#endif 1379 mi = sc->tulip_mediums[media]; 1380 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1381 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1382 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1383 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1384 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1385 sc->tulip_cmdmode |= mi->mi_cmdmode; 1386 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1387 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1388#if defined(TULIP_DEBUG) 1389 } else { 1390 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1391 TULIP_PRINTF_ARGS, media); 1392 } 1393#endif 1394 } 1395 switch (media) { 1396 case TULIP_MEDIA_BNC: 1397 case TULIP_MEDIA_AUI: 1398 case TULIP_MEDIA_10BASET: { 1399 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1400 sc->tulip_if.if_baudrate = 10000000; 1401 sc->tulip_flags |= TULIP_SQETEST; 1402 break; 1403 } 1404 case TULIP_MEDIA_10BASET_FD: { 1405 sc->tulip_flags |= TULIP_FULLDUPLEX; 1406 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1407 sc->tulip_if.if_baudrate = 10000000; 1408 break; 1409 } 1410 case TULIP_MEDIA_100BASEFX: 1411 case TULIP_MEDIA_100BASET4: 1412 case TULIP_MEDIA_100BASETX: { 1413 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1414 sc->tulip_if.if_baudrate = 100000000; 1415 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1416 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1417 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1418 } 1419 break; 1420 } 1421 case TULIP_MEDIA_100BASEFX_FD: 1422 case TULIP_MEDIA_100BASETX_FD: { 1423 sc->tulip_flags |= TULIP_FULLDUPLEX; 1424 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1425 sc->tulip_if.if_baudrate = 100000000; 1426 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1427 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1428 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1429 } 1430 break; 1431 } 1432 default: { 1433 break; 1434 } 1435 } 1436 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1437} 1438 1439/* 1440 ******************************************************************** 1441 * Start of 21140/21140A support which does not use the MII interface 1442 */ 1443 1444void 1445tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1446{ 1447#if defined(TULIP_DEBUG) 1448 sc->tulip_dbg.dbg_events[event]++; 1449#endif 1450#if defined(DIAGNOSTIC) 1451 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1452 TULIP_PRINTF_ARGS, __LINE__); 1453#endif 1454} 1455 1456void 1457tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1458 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1459{ 1460 sc->tulip_mediums[media] = mip; 1461 mip->mi_type = TULIP_MEDIAINFO_GPR; 1462 mip->mi_cmdmode = cmdmode; 1463 mip->mi_gpdata = gpdata; 1464} 1465 1466void 1467tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1468{ 1469 tulip_media_info_t *mip = sc->tulip_mediainfo; 1470 1471 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1472 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1473 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1474 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1475 TULIP_CSR_WRITE(sc, csr_command, 1476 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1477 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1478 TULIP_CSR_WRITE(sc, csr_command, 1479 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1480 DELAY(1000000); 1481 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1482 sc->tulip_media = TULIP_MEDIA_10BASET; 1483 else 1484 sc->tulip_media = TULIP_MEDIA_100BASETX; 1485 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1486 TULIP_GP_EB_INIT, 1487 TULIP_CMD_TXTHRSHLDCTL); 1488 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1489 TULIP_GP_EB_INIT, 1490 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1491 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1492 TULIP_GP_EB_INIT, 1493 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1494 |TULIP_CMD_SCRAMBLER); 1495 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1496 TULIP_GP_EB_INIT, 1497 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1498 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1499} 1500 1501static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1502 TULIP_21140_DEC_EB, 1503 tulip_21140_evalboard_media_probe, 1504 tulip_media_select, 1505 tulip_null_media_poll, 1506 tulip_2114x_media_preset, 1507}; 1508 1509void 1510tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1511{ 1512 tulip_media_info_t *mip = sc->tulip_mediainfo; 1513 unsigned gpdata; 1514 1515 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1516 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1517 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1518 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1519 TULIP_CSR_WRITE(sc, csr_command, 1520 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1521 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1522 TULIP_CSR_WRITE(sc, csr_command, 1523 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1524 DELAY(1000000); 1525 gpdata = TULIP_CSR_READ(sc, csr_gp); 1526 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1527 sc->tulip_media = TULIP_MEDIA_10BASET; 1528 else { 1529 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1530 sc->tulip_media = TULIP_MEDIA_BNC; 1531 else 1532 sc->tulip_media = TULIP_MEDIA_100BASETX; 1533 } 1534 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1535 TULIP_GP_EN1207_BNC_INIT, 1536 TULIP_CMD_TXTHRSHLDCTL); 1537 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1538 TULIP_GP_EN1207_UTP_INIT, 1539 TULIP_CMD_TXTHRSHLDCTL); 1540 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1541 TULIP_GP_EN1207_UTP_INIT, 1542 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1543 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1544 TULIP_GP_EN1207_100_INIT, 1545 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1546 |TULIP_CMD_SCRAMBLER); 1547 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1548 TULIP_GP_EN1207_100_INIT, 1549 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1550 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1551} 1552 1553static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1554 TULIP_21140_EN1207, 1555 tulip_21140_accton_media_probe, 1556 tulip_media_select, 1557 tulip_null_media_poll, 1558 tulip_2114x_media_preset, 1559}; 1560 1561void 1562tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1563{ 1564 tulip_media_info_t *mip = sc->tulip_mediainfo; 1565 int idx, cnt = 0; 1566 1567 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1568 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1569 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1570 33MHz that comes to two microseconds but wait a 1571 bit longer anyways) */ 1572 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1573 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1574 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1575 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1576 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1577 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1578 DELAY(200000); 1579 for (idx = 1000; idx > 0; idx--) { 1580 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1581 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1582 if (++cnt > 100) 1583 break; 1584 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1585 break; 1586 else 1587 cnt = 0; 1588 DELAY(1000); 1589 } 1590 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1591 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1592 TULIP_GP_SMC_9332_INIT, 1593 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1594 |TULIP_CMD_SCRAMBLER); 1595 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1596 TULIP_GP_SMC_9332_INIT, 1597 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1598 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1599 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1600 TULIP_GP_SMC_9332_INIT, 1601 TULIP_CMD_TXTHRSHLDCTL); 1602 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1603 TULIP_GP_SMC_9332_INIT, 1604 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1605} 1606 1607static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1608 TULIP_21140_SMC_9332, 1609 tulip_21140_smc9332_media_probe, 1610 tulip_media_select, 1611 tulip_null_media_poll, 1612 tulip_2114x_media_preset, 1613}; 1614 1615void 1616tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1617{ 1618 tulip_media_info_t *mip = sc->tulip_mediainfo; 1619 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1620 1621 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1622 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1623 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1624 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1625 1626 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1627 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1628 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1629 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1630 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1631 1632 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1633 TULIP_GP_EM100_INIT, 1634 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1635 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1636 TULIP_GP_EM100_INIT, 1637 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1638 |TULIP_CMD_FULLDUPLEX); 1639 } else { 1640 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1641 sc->tulip_media = TULIP_MEDIA_100BASETX; 1642 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1643 TULIP_GP_EM100_INIT, 1644 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1645 |TULIP_CMD_SCRAMBLER); 1646 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1647 TULIP_GP_EM100_INIT, 1648 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1649 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1650 } 1651} 1652 1653static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1654 TULIP_21140_COGENT_EM100, 1655 tulip_21140_cogent_em100_media_probe, 1656 tulip_media_select, 1657 tulip_null_media_poll, 1658 tulip_2114x_media_preset 1659}; 1660 1661void 1662tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1663{ 1664 tulip_media_info_t *mip = sc->tulip_mediainfo; 1665 int cnt10 = 0, cnt100 = 0, idx; 1666 1667 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1668 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1669 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1670 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1671 TULIP_CSR_WRITE(sc, csr_command, 1672 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1673 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1674 TULIP_CSR_WRITE(sc, csr_command, 1675 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1676 1677 DELAY(200000); 1678 for (idx = 1000; idx > 0; idx--) { 1679 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1680 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)) { 1681 if (++cnt100 > 100) 1682 break; 1683 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1684 if (++cnt10 > 100) 1685 break; 1686 } else { 1687 cnt10 = 0; 1688 cnt100 = 0; 1689 } 1690 DELAY(1000); 1691 } 1692 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1693 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1694 TULIP_GP_ZX34X_INIT, 1695 TULIP_CMD_TXTHRSHLDCTL); 1696 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1697 TULIP_GP_ZX34X_INIT, 1698 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1699 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1700 TULIP_GP_ZX34X_INIT, 1701 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1702 |TULIP_CMD_SCRAMBLER); 1703 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1704 TULIP_GP_ZX34X_INIT, 1705 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1706 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1707} 1708 1709static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1710 TULIP_21140_ZNYX_ZX34X, 1711 tulip_21140_znyx_zx34x_media_probe, 1712 tulip_media_select, 1713 tulip_null_media_poll, 1714 tulip_2114x_media_preset, 1715}; 1716 1717void 1718tulip_2114x_media_probe(tulip_softc_t * const sc) 1719{ 1720 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1721 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1722} 1723 1724static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1725 TULIP_21140_ISV, 1726 tulip_2114x_media_probe, 1727 tulip_media_select, 1728 tulip_media_poll, 1729 tulip_2114x_media_preset, 1730}; 1731 1732/* 1733 * ******** END of chip-specific handlers. *********** 1734 */ 1735 1736/* 1737 * Code the read the SROM and MII bit streams (I2C) 1738 */ 1739void 1740tulip_delay_300ns(tulip_softc_t * const sc) 1741{ 1742 int idx; 1743 for (idx = (300 / 33) + 1; idx > 0; idx--) 1744 (void) TULIP_CSR_READ(sc, csr_busmode); 1745} 1746 1747void 1748tulip_srom_idle(tulip_softc_t * const sc) 1749{ 1750 unsigned bit, csr; 1751 1752 csr = SROMSEL ; EMIT; 1753 csr = SROMSEL | SROMRD; EMIT; 1754 csr ^= SROMCS; EMIT; 1755 csr ^= SROMCLKON; EMIT; 1756 1757 /* 1758 * Write 25 cycles of 0 which will force the SROM to be idle. 1759 */ 1760 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1761 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1762 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1763 } 1764 csr ^= SROMCLKOFF; EMIT; 1765 csr ^= SROMCS; EMIT; 1766 csr = 0; EMIT; 1767} 1768 1769void 1770tulip_srom_read(tulip_softc_t * const sc) 1771{ 1772 unsigned idx; 1773 const unsigned bitwidth = SROM_BITWIDTH; 1774 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1775 const unsigned msb = 1 << (bitwidth + 3 - 1); 1776 unsigned lastidx = (1 << bitwidth) - 1; 1777 1778 tulip_srom_idle(sc); 1779 1780 for (idx = 0; idx <= lastidx; idx++) { 1781 unsigned lastbit, data, bits, bit, csr; 1782 csr = SROMSEL ; EMIT; 1783 csr = SROMSEL | SROMRD; EMIT; 1784 csr ^= SROMCSON; EMIT; 1785 csr ^= SROMCLKON; EMIT; 1786 1787 lastbit = 0; 1788 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1789 const unsigned thisbit = bits & msb; 1790 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1791 if (thisbit != lastbit) { 1792 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1793 } else { 1794 EMIT; 1795 } 1796 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1797 lastbit = thisbit; 1798 } 1799 csr ^= SROMCLKOFF; EMIT; 1800 1801 for (data = 0, bits = 0; bits < 16; bits++) { 1802 data <<= 1; 1803 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1804 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1805 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1806 } 1807 sc->tulip_rombuf[idx*2] = data & 0xFF; 1808 sc->tulip_rombuf[idx*2+1] = data >> 8; 1809 csr = SROMSEL | SROMRD; EMIT; 1810 csr = 0; EMIT; 1811 } 1812 tulip_srom_idle(sc); 1813} 1814 1815void 1816tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1817{ 1818 unsigned msb = 1 << (bits - 1); 1819 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1820 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1821 1822 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1823 1824 for (; bits > 0; bits--, data <<= 1) { 1825 const unsigned thisbit = data & msb; 1826 if (thisbit != lastbit) 1827 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1828 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1829 lastbit = thisbit; 1830 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1831 } 1832} 1833 1834void 1835tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1836{ 1837 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1838 1839 if (cmd == MII_WRCMD) { 1840 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1841 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1842 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1843 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1844 } else 1845 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1846 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1847 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1848} 1849 1850unsigned 1851tulip_mii_readbits(tulip_softc_t * const sc) 1852{ 1853 unsigned data; 1854 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1855 int idx; 1856 1857 for (idx = 0, data = 0; idx < 16; idx++) { 1858 data <<= 1; /* this is NOOP on the first pass through */ 1859 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1860 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1861 data |= 1; 1862 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1863 } 1864 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1865 1866 return (data); 1867} 1868 1869unsigned 1870tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1871{ 1872 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1873 unsigned data; 1874 1875 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1876 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1877 tulip_mii_writebits(sc, MII_RDCMD, 8); 1878 tulip_mii_writebits(sc, devaddr, 5); 1879 tulip_mii_writebits(sc, regno, 5); 1880 tulip_mii_turnaround(sc, MII_RDCMD); 1881 1882 data = tulip_mii_readbits(sc); 1883#if defined(TULIP_DEBUG) 1884 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1885 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1886#endif 1887 return (data); 1888} 1889 1890void 1891tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1892 unsigned regno, unsigned data) 1893{ 1894 unsigned csr; 1895 1896 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1897 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1898 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1899 tulip_mii_writebits(sc, MII_WRCMD, 8); 1900 tulip_mii_writebits(sc, devaddr, 5); 1901 tulip_mii_writebits(sc, regno, 5); 1902 tulip_mii_turnaround(sc, MII_WRCMD); 1903 tulip_mii_writebits(sc, data, 16); 1904#if defined(TULIP_DEBUG) 1905 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1906 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1907#endif 1908} 1909 1910void 1911tulip_identify_dec_nic(tulip_softc_t * const sc) 1912{ 1913 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1914#define D0 4 1915 if (sc->tulip_chipid <= TULIP_DE425) 1916 return; 1917 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1918 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1919 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1920 sc->tulip_boardid[D0+8] = ' '; 1921 } 1922#undef D0 1923} 1924 1925void 1926tulip_identify_znyx_nic(tulip_softc_t * const sc) 1927{ 1928 unsigned id = 0; 1929 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1930 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1931 unsigned znyx_ptr; 1932 sc->tulip_boardid[8] = '4'; 1933 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1934 if (znyx_ptr < 26 || znyx_ptr > 116) { 1935 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1936 return; 1937 } 1938 /* ZX344 = 0010 .. 0013FF 1939 */ 1940 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1941 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1942 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1943 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1944 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1945 sc->tulip_boardid[9] = '2'; 1946 if (id == TULIP_ZNYX_ID_ZX342B) { 1947 sc->tulip_boardid[10] = 'B'; 1948 sc->tulip_boardid[11] = ' '; 1949 } 1950 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1951 } else if (id == TULIP_ZNYX_ID_ZX344) { 1952 sc->tulip_boardid[10] = '4'; 1953 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1954 } else if (id == TULIP_ZNYX_ID_ZX345) { 1955 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1956 } else if (id == TULIP_ZNYX_ID_ZX346) { 1957 sc->tulip_boardid[9] = '6'; 1958 } else if (id == TULIP_ZNYX_ID_ZX351) { 1959 sc->tulip_boardid[8] = '5'; 1960 sc->tulip_boardid[9] = '1'; 1961 } 1962 } 1963 if (id == 0) { 1964 /* 1965 * Assume it's a ZX342... 1966 */ 1967 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1968 } 1969 return; 1970 } 1971 sc->tulip_boardid[8] = '1'; 1972 if (sc->tulip_chipid == TULIP_21041) { 1973 sc->tulip_boardid[10] = '1'; 1974 return; 1975 } 1976 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1977 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1978 if (id == TULIP_ZNYX_ID_ZX312T) { 1979 sc->tulip_boardid[9] = '2'; 1980 sc->tulip_boardid[10] = 'T'; 1981 sc->tulip_boardid[11] = ' '; 1982 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1983 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1984 sc->tulip_boardid[9] = '4'; 1985 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1986 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1987 } else if (id == TULIP_ZNYX_ID_ZX314) { 1988 sc->tulip_boardid[9] = '4'; 1989 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1990 sc->tulip_features |= TULIP_HAVE_BASEROM; 1991 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 1992 sc->tulip_boardid[9] = '5'; 1993 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1994 } else if (id == TULIP_ZNYX_ID_ZX315) { 1995 sc->tulip_boardid[9] = '5'; 1996 sc->tulip_features |= TULIP_HAVE_BASEROM; 1997 } else 1998 id = 0; 1999 } 2000 if (id == 0) { 2001 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 2002 sc->tulip_boardid[9] = '4'; 2003 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2004 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2005 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2006 sc->tulip_boardid[9] = '5'; 2007 sc->tulip_boardsw = &tulip_21040_boardsw; 2008 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2009 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2010 sc->tulip_boardid[9] = '2'; 2011 sc->tulip_boardsw = &tulip_21040_boardsw; 2012 } 2013 } 2014} 2015 2016void 2017tulip_identify_smc_nic(tulip_softc_t * const sc) 2018{ 2019 u_int32_t id1, id2, ei; 2020 int auibnc = 0, utp = 0; 2021 char *cp; 2022 2023 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2024 if (sc->tulip_chipid == TULIP_21041) 2025 return; 2026 if (sc->tulip_chipid != TULIP_21040) { 2027 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2028 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2029 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2030 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2031 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2032 else 2033 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2034 return; 2035 } 2036 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2037 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2038 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2039 2040 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2041 cp = &sc->tulip_boardid[8]; 2042 if ((id1 & 1) == 0) 2043 *cp++ = 'B', auibnc = 1; 2044 if ((id1 & 0xFF) > 0x32) 2045 *cp++ = 'T', utp = 1; 2046 if ((id1 & 0x4000) == 0) 2047 *cp++ = 'A', auibnc = 1; 2048 if (id2 == 0x15) { 2049 sc->tulip_boardid[7] = '4'; 2050 *cp++ = '-'; 2051 *cp++ = 'C'; 2052 *cp++ = 'H'; 2053 *cp++ = (ei ? '2' : '1'); 2054 } 2055 *cp++ = ' '; 2056 *cp = '\0'; 2057 if (utp && !auibnc) 2058 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2059 else if (!utp && auibnc) 2060 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2061} 2062 2063void 2064tulip_identify_cogent_nic(tulip_softc_t * const sc) 2065{ 2066 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2067 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2068 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2069 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2070 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2071#if defined(TULIP_COGENT_EM110TX_ID) 2072 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2073 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2074 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2075#endif 2076 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2077 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2078 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2079 } 2080 /* 2081 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2082 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2083 */ 2084 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2085 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2086 /* 2087 * Cogent (Adaptec) is still mapping all INTs to INTA of 2088 * first 21140. Dumb! Dumb! 2089 */ 2090 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2091 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2092 } 2093 } else if (sc->tulip_chipid == TULIP_21040) 2094 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2095} 2096 2097void 2098tulip_identify_accton_nic(tulip_softc_t * const sc) 2099{ 2100 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2101 switch (sc->tulip_chipid) { 2102 case TULIP_21140A: 2103 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2104 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2105 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2106 break; 2107 case TULIP_21140: 2108 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2109 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2110 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2111 break; 2112 case TULIP_21040: 2113 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2114 sc->tulip_boardsw = &tulip_21040_boardsw; 2115 break; 2116 case TULIP_21041: 2117 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2118 sc->tulip_boardsw = &tulip_21041_boardsw; 2119 break; 2120 default: 2121 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2122 break; 2123 } 2124} 2125 2126void 2127tulip_identify_asante_nic(tulip_softc_t * const sc) 2128{ 2129 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2130 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2131 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2132 tulip_media_info_t *mi = sc->tulip_mediainfo; 2133 int idx; 2134 /* 2135 * The Asante Fast Ethernet doesn't always ship with a valid 2136 * new format SROM. So if isn't in the new format, we cheat 2137 * set it up as if we had. 2138 */ 2139 2140 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2141 sc->tulip_gpdata = 0; 2142 2143 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2144 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2145 DELAY(100); 2146 TULIP_CSR_WRITE(sc, csr_gp, 0); 2147 2148 mi->mi_type = TULIP_MEDIAINFO_MII; 2149 mi->mi_gpr_length = 0; 2150 mi->mi_gpr_offset = 0; 2151 mi->mi_reset_length = 0; 2152 mi->mi_reset_offset = 0; 2153 2154 mi->mi_phyaddr = TULIP_MII_NOPHY; 2155 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2156 DELAY(10000); 2157 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2158 } 2159 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2160#ifdef TULIP_DEBUG 2161 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2162#endif 2163 return; 2164 } 2165 2166 sc->tulip_features |= TULIP_HAVE_MII; 2167 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2168 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2169 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2170 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2171 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2172 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2173 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2174 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2175 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2176 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2177 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2178 2179 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2180 } 2181} 2182 2183void 2184tulip_identify_compex_nic(tulip_softc_t * const sc) 2185{ 2186 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2187 if (sc->tulip_chipid == TULIP_21140A) { 2188 int root_unit; 2189 tulip_softc_t *root_sc = NULL; 2190 2191 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2192 /* 2193 * All 4 chips on these boards share an interrupt. This code 2194 * copied from tulip_read_macaddr. 2195 */ 2196 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2197 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2198 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2199 if (root_sc == NULL 2200 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2201 break; 2202 root_sc = NULL; 2203 } 2204 if (root_sc != NULL 2205 && root_sc->tulip_chipid == sc->tulip_chipid 2206 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2207 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2208 sc->tulip_slaves = root_sc->tulip_slaves; 2209 root_sc->tulip_slaves = sc; 2210 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2211 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2212 } else 2213 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2214 2215 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2216} 2217 2218int 2219tulip_srom_decode(tulip_softc_t * const sc) 2220{ 2221 unsigned idx1, idx2, idx3; 2222 2223 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2224 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2225 tulip_srom_media_t srom_media; 2226 tulip_media_info_t *mi = sc->tulip_mediainfo; 2227 const u_int8_t *dp; 2228 u_int32_t leaf_offset, blocks, data; 2229 2230 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2231 if (shp->sh_adapter_count == 1) 2232 break; 2233 if (saip->sai_device == sc->tulip_pci_devno) 2234 break; 2235 } 2236 /* 2237 * Didn't find the right media block for this card. 2238 */ 2239 if (idx1 == shp->sh_adapter_count) 2240 return (0); 2241 2242 /* 2243 * Save the hardware address. 2244 */ 2245 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2246 ETHER_ADDR_LEN); 2247 /* 2248 * If this is a multiple port card, add the adapter index to the last 2249 * byte of the hardware address. (if it isn't multiport, adding 0 2250 * won't hurt. 2251 */ 2252 sc->tulip_enaddr[5] += idx1; 2253 2254 leaf_offset = saip->sai_leaf_offset_lowbyte 2255 + saip->sai_leaf_offset_highbyte * 256; 2256 dp = sc->tulip_rombuf + leaf_offset; 2257 2258 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2259 2260 for (idx2 = 0;; idx2++) { 2261 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2262 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2263 break; 2264 } 2265 sc->tulip_connidx = idx2; 2266 2267 if (sc->tulip_chipid == TULIP_21041) { 2268 blocks = *dp++; 2269 for (idx2 = 0; idx2 < blocks; idx2++) { 2270 tulip_media_t media; 2271 data = *dp++; 2272 srom_media = (tulip_srom_media_t) (data & 0x3F); 2273 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2274 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2275 break; 2276 } 2277 media = tulip_srom_mediums[idx3].sm_type; 2278 if (media != TULIP_MEDIA_UNKNOWN) { 2279 if (data & TULIP_SROM_21041_EXTENDED) { 2280 mi->mi_type = TULIP_MEDIAINFO_SIA; 2281 sc->tulip_mediums[media] = mi; 2282 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2283 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2284 mi->mi_sia_general = dp[4] + dp[5] * 256; 2285 mi++; 2286 } else { 2287 switch (media) { 2288 case TULIP_MEDIA_BNC: { 2289 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2290 mi++; 2291 break; 2292 } 2293 case TULIP_MEDIA_AUI: { 2294 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2295 mi++; 2296 break; 2297 } 2298 case TULIP_MEDIA_10BASET: { 2299 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2300 mi++; 2301 break; 2302 } 2303 case TULIP_MEDIA_10BASET_FD: { 2304 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2305 mi++; 2306 break; 2307 } 2308 default: { 2309 break; 2310 } 2311 } 2312 } 2313 } 2314 if (data & TULIP_SROM_21041_EXTENDED) 2315 dp += 6; 2316 } 2317 } else { 2318 unsigned length, type; 2319 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2320 if (sc->tulip_features & TULIP_HAVE_GPR) 2321 sc->tulip_gpinit = *dp++; 2322 blocks = *dp++; 2323 for (idx2 = 0; idx2 < blocks; idx2++) { 2324 const u_int8_t *ep; 2325 if ((*dp & 0x80) == 0) { 2326 length = 4; 2327 type = 0; 2328 } else { 2329 length = (*dp++ & 0x7f) - 1; 2330 type = *dp++ & 0x3f; 2331 } 2332 ep = dp + length; 2333 switch (type & 0x3f) { 2334 case 0: { /* 21140[A] GPR block */ 2335 tulip_media_t media; 2336 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2337 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2338 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2339 break; 2340 } 2341 media = tulip_srom_mediums[idx3].sm_type; 2342 if (media == TULIP_MEDIA_UNKNOWN) 2343 break; 2344 mi->mi_type = TULIP_MEDIAINFO_GPR; 2345 sc->tulip_mediums[media] = mi; 2346 mi->mi_gpdata = dp[1]; 2347 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2348 sc->tulip_gpdata = mi->mi_gpdata; 2349 gp_media = media; 2350 } 2351 data = dp[2] + dp[3] * 256; 2352 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2353 if (data & TULIP_SROM_2114X_NOINDICATOR) 2354 mi->mi_actmask = 0; 2355 else { 2356 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2357 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2358 } 2359 mi++; 2360 break; 2361 } 2362 case 1: { /* 21140[A] MII block */ 2363 const unsigned phyno = *dp++; 2364 mi->mi_type = TULIP_MEDIAINFO_MII; 2365 mi->mi_gpr_length = *dp++; 2366 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2367 dp += mi->mi_gpr_length; 2368 mi->mi_reset_length = *dp++; 2369 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2370 dp += mi->mi_reset_length; 2371 2372 /* 2373 * Before we probe for a PHY, use the GPR information 2374 * to select it. If we don't, it may be inaccessible. 2375 */ 2376 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2377 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2378 DELAY(10); 2379 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2380 } 2381 sc->tulip_phyaddr = mi->mi_phyaddr; 2382 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2383 DELAY(10); 2384 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2385 } 2386 2387 /* 2388 * At least write something! 2389 */ 2390 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2391 TULIP_CSR_WRITE(sc, csr_gp, 0); 2392 2393 mi->mi_phyaddr = TULIP_MII_NOPHY; 2394 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2395 DELAY(10000); 2396 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2397 } 2398 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2399#if defined(TULIP_DEBUG) 2400 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2401 TULIP_PRINTF_ARGS, phyno); 2402#endif 2403 break; 2404 } 2405 sc->tulip_features |= TULIP_HAVE_MII; 2406 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2407 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2408 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2409 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2410 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2411 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2412 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2413 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2414 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2415 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2416 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2417 mi++; 2418 break; 2419 } 2420 case 2: { /* 2114[23] SIA block */ 2421 tulip_media_t media; 2422 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2423 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2424 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2425 break; 2426 } 2427 media = tulip_srom_mediums[idx3].sm_type; 2428 if (media == TULIP_MEDIA_UNKNOWN) 2429 break; 2430 mi->mi_type = TULIP_MEDIAINFO_SIA; 2431 sc->tulip_mediums[media] = mi; 2432 if (dp[0] & 0x40) { 2433 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2434 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2435 mi->mi_sia_general = dp[5] + dp[6] * 256; 2436 dp += 6; 2437 } else { 2438 switch (media) { 2439 case TULIP_MEDIA_BNC: { 2440 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2441 break; 2442 } 2443 case TULIP_MEDIA_AUI: { 2444 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2445 break; 2446 } 2447 case TULIP_MEDIA_10BASET: { 2448 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2449 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2450 break; 2451 } 2452 case TULIP_MEDIA_10BASET_FD: { 2453 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2454 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2455 break; 2456 } 2457 default: { 2458 goto bad_media; 2459 } 2460 } 2461 } 2462 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2463 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2464 mi++; 2465 bad_media: 2466 break; 2467 } 2468 case 3: { /* 2114[23] MII PHY block */ 2469 const unsigned phyno = *dp++; 2470 const u_int8_t *dp0; 2471 mi->mi_type = TULIP_MEDIAINFO_MII; 2472 mi->mi_gpr_length = *dp++; 2473 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2474 dp += 2 * mi->mi_gpr_length; 2475 mi->mi_reset_length = *dp++; 2476 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2477 dp += 2 * mi->mi_reset_length; 2478 2479 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2480 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2481 DELAY(10); 2482 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2483 } 2484 sc->tulip_phyaddr = mi->mi_phyaddr; 2485 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2486 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2487 DELAY(10); 2488 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2489 } 2490 2491 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2492 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2493 2494 mi->mi_phyaddr = TULIP_MII_NOPHY; 2495 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2496 DELAY(10000); 2497 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2498 } 2499 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2500#if defined(TULIP_DEBUG) 2501 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2502 TULIP_PRINTF_ARGS, phyno); 2503#endif 2504 break; 2505 } 2506 sc->tulip_features |= TULIP_HAVE_MII; 2507 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2508 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2509 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2510 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2511 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2512 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2513 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2514 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2515 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2516 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2517 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2518 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2519 mi++; 2520 break; 2521 } 2522 case 4: { /* 21143 SYM block */ 2523 tulip_media_t media; 2524 srom_media = (tulip_srom_media_t) dp[0]; 2525 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2526 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2527 break; 2528 } 2529 media = tulip_srom_mediums[idx3].sm_type; 2530 if (media == TULIP_MEDIA_UNKNOWN) 2531 break; 2532 mi->mi_type = TULIP_MEDIAINFO_SYM; 2533 sc->tulip_mediums[media] = mi; 2534 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2535 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2536 data = dp[5] + dp[6] * 256; 2537 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2538 if (data & TULIP_SROM_2114X_NOINDICATOR) 2539 mi->mi_actmask = 0; 2540 else { 2541 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2542 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2543 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2544 } 2545 if (TULIP_IS_MEDIA_TP(media)) 2546 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2547 mi++; 2548 break; 2549 } 2550 default: { 2551 } 2552 } 2553 dp = ep; 2554 } 2555 } 2556 return (mi - sc->tulip_mediainfo); 2557} 2558 2559static const struct { 2560 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2561 unsigned char vendor_oui[3]; 2562} tulip_vendors[] = { 2563 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2564 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2565 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2566 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2567 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2568 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2569 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2570 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2571 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2572 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2573 { NULL } 2574}; 2575 2576/* 2577 * This deals with the vagaries of the address roms and the 2578 * brain-deadness that various vendors commit in using them. 2579 */ 2580int 2581tulip_read_macaddr(tulip_softc_t * const sc) 2582{ 2583 unsigned cksum, rom_cksum, idx; 2584 u_int32_t csr; 2585 unsigned char tmpbuf[8]; 2586 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2587 2588 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2589 2590 if (sc->tulip_chipid == TULIP_21040) { 2591 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2592 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2593 int cnt = 0; 2594 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2595 cnt++; 2596 sc->tulip_rombuf[idx] = csr & 0xFF; 2597 } 2598 sc->tulip_boardsw = &tulip_21040_boardsw; 2599 } else { 2600 if (sc->tulip_chipid == TULIP_21041) { 2601 /* 2602 * Thankfully all 21041's act the same. 2603 */ 2604 sc->tulip_boardsw = &tulip_21041_boardsw; 2605 } else { 2606 /* 2607 * Assume all 21140 board are compatible with the 2608 * DEC 10/100 evaluation board. Not really valid but 2609 * it's the best we can do until every one switches to 2610 * the new SROM format. 2611 */ 2612 2613 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2614 } 2615 tulip_srom_read(sc); 2616 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2617 /* 2618 * SROM CRC is valid therefore it must be in the 2619 * new format. 2620 */ 2621 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2622 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2623 /* 2624 * No checksum is present. See if the SROM id checks out; 2625 * the first 18 bytes should be 0 followed by a 1 followed 2626 * by the number of adapters (which we don't deal with yet). 2627 */ 2628 for (idx = 0; idx < 18; idx++) { 2629 if (sc->tulip_rombuf[idx] != 0) 2630 break; 2631 } 2632 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2633 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2634 } else if (sc->tulip_chipid >= TULIP_21142) { 2635 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2636 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2637 } 2638 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2639 if (sc->tulip_chipid != TULIP_21041) 2640 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2641 2642 /* 2643 * If the SROM specifies more than one adapter, tag this as a 2644 * BASE rom. 2645 */ 2646 if (sc->tulip_rombuf[19] > 1) 2647 sc->tulip_features |= TULIP_HAVE_BASEROM; 2648 if (sc->tulip_boardsw == NULL) 2649 return (-6); 2650 goto check_oui; 2651 } 2652 } 2653 2654 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2655 /* 2656 * Some folks don't use the standard ethernet rom format 2657 * but instead just put the address in the first 6 bytes 2658 * of the rom and let the rest be all 0xffs. (Can we say 2659 * ZNYX???) (well sometimes they put in a checksum so we'll 2660 * start at 8). 2661 */ 2662 for (idx = 8; idx < 32; idx++) { 2663 if (sc->tulip_rombuf[idx] != 0xFF) 2664 return (-4); 2665 } 2666 /* 2667 * Make sure the address is not multicast or locally assigned 2668 * that the OUI is not 00-00-00. 2669 */ 2670 if ((sc->tulip_rombuf[0] & 3) != 0) 2671 return (-4); 2672 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2673 && sc->tulip_rombuf[2] == 0) 2674 return (-4); 2675 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2676 sc->tulip_features |= TULIP_HAVE_OKROM; 2677 goto check_oui; 2678 } else { 2679 /* 2680 * A number of makers of multiport boards (ZNYX and Cogent) 2681 * only put on one address ROM on their 21040 boards. So 2682 * if the ROM is all zeros (or all 0xFFs), look at the 2683 * previous configured boards (as long as they are on the same 2684 * PCI bus and the bus number is non-zero) until we find the 2685 * master board with address ROM. We then use its address ROM 2686 * as the base for this board. (we add our relative board 2687 * to the last byte of its address). 2688 */ 2689 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2690 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2691 break; 2692 } 2693 if (idx == sizeof(sc->tulip_rombuf)) { 2694 int root_unit; 2695 tulip_softc_t *root_sc = NULL; 2696 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2697 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2698 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2699 break; 2700 root_sc = NULL; 2701 } 2702 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2703 && root_sc->tulip_chipid == sc->tulip_chipid 2704 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2705 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2706 sc->tulip_boardsw = root_sc->tulip_boardsw; 2707 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2708 sizeof(sc->tulip_boardid)); 2709 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2710 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2711 sizeof(sc->tulip_rombuf)); 2712 if (!tulip_srom_decode(sc)) 2713 return (-5); 2714 } else { 2715 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2716 ETHER_ADDR_LEN); 2717 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2718 } 2719 /* 2720 * Now for a truly disgusting kludge: all 4 21040s on 2721 * the ZX314 share the same INTA line so the mapping 2722 * setup by the BIOS on the PCI bridge is worthless. 2723 * Rather than reprogramming the value in the config 2724 * register, we will handle this internally. 2725 */ 2726 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2727 sc->tulip_slaves = root_sc->tulip_slaves; 2728 root_sc->tulip_slaves = sc; 2729 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2730 } 2731 return (0); 2732 } 2733 } 2734 } 2735 2736 /* 2737 * This is the standard DEC address ROM test. 2738 */ 2739 2740 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2741 return (-3); 2742 2743 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2744 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2745 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2746 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2747 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2748 return (-2); 2749 2750 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2751 2752 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2753 cksum *= 2; 2754 if (cksum > 65535) cksum -= 65535; 2755 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2756 if (cksum > 65535) cksum -= 65535; 2757 cksum *= 2; 2758 if (cksum > 65535) cksum -= 65535; 2759 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2760 if (cksum >= 65535) cksum -= 65535; 2761 2762 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2763 2764 if (cksum != rom_cksum) 2765 return (-1); 2766 2767 check_oui: 2768 /* 2769 * Check for various boards based on OUI. Did I say braindead? 2770 */ 2771 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2772 if (bcmp((caddr_t) sc->tulip_enaddr, 2773 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2774 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2775 break; 2776 } 2777 } 2778 2779 sc->tulip_features |= TULIP_HAVE_OKROM; 2780 return (0); 2781} 2782 2783void 2784tulip_ifmedia_add(tulip_softc_t * const sc) 2785{ 2786 tulip_media_t media; 2787 int medias = 0; 2788 2789 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2790 if (sc->tulip_mediums[media] != NULL) { 2791 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2792 0, 0); 2793 medias++; 2794 } 2795 } 2796 if (medias == 0) { 2797 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2798 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2799 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2800 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2801 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2802 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2803 } else { 2804 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2805 sc->tulip_flags |= TULIP_PRINTMEDIA; 2806 tulip_linkup(sc, sc->tulip_media); 2807 } 2808} 2809 2810int 2811tulip_ifmedia_change(struct ifnet * const ifp) 2812{ 2813 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2814 2815 sc->tulip_flags |= TULIP_NEEDRESET; 2816 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2817 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2818 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2819 tulip_media_t media; 2820 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2821 if (sc->tulip_mediums[media] != NULL 2822 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2823 sc->tulip_flags |= TULIP_PRINTMEDIA; 2824 sc->tulip_flags &= ~TULIP_DIDNWAY; 2825 tulip_linkup(sc, media); 2826 return (0); 2827 } 2828 } 2829 } 2830 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2831 tulip_reset(sc); 2832 tulip_init(sc); 2833 return (0); 2834} 2835 2836/* 2837 * Media status callback 2838 */ 2839void 2840tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2841{ 2842 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2843 2844 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2845 return; 2846 2847 req->ifm_status = IFM_AVALID; 2848 if (sc->tulip_flags & TULIP_LINKUP) 2849 req->ifm_status |= IFM_ACTIVE; 2850 2851 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2852} 2853 2854bus_dmamap_t 2855tulip_alloc_rxmap(tulip_softc_t *sc) 2856{ 2857 return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); 2858} 2859 2860void 2861tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) 2862{ 2863 sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; 2864} 2865 2866bus_dmamap_t 2867tulip_alloc_txmap(tulip_softc_t *sc) 2868{ 2869 return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); 2870} 2871 2872void 2873tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) 2874{ 2875 sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; 2876} 2877 2878void 2879tulip_addr_filter(tulip_softc_t * const sc) 2880{ 2881 struct arpcom *ac = &sc->tulip_ac; 2882 struct ether_multistep step; 2883 struct ether_multi *enm; 2884 2885 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2886 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2887 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2888 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2889 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2890 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2891 if (sc->tulip_multicnt > 14) { 2892 u_int32_t *sp = sc->tulip_setupdata; 2893 unsigned hash; 2894 /* 2895 * Some early passes of the 21140 have broken implementations of 2896 * hash-perfect mode. When we get too many multicasts for perfect 2897 * filtering with these chips, we need to switch into hash-only 2898 * mode (this is better than all-multicast on network with lots 2899 * of multicast traffic). 2900 */ 2901 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2902 sc->tulip_flags |= TULIP_WANTHASHONLY; 2903 else 2904 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2905 /* 2906 * If we have more than 14 multicasts, we have 2907 * go into hash perfect mode (512 bit multicast 2908 * hash and one perfect hardware). 2909 */ 2910 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2911 if (ac->ac_multirangecnt > 0) { 2912 sc->tulip_flags |= TULIP_ALLMULTI; 2913 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2914 } else { 2915 ETHER_FIRST_MULTI(step, ac, enm); 2916 while (enm != NULL) { 2917 hash = tulip_mchash(enm->enm_addrlo); 2918#if BYTE_ORDER == BIG_ENDIAN 2919 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2920#else 2921 sp[hash >> 4] |= 1 << (hash & 0xF); 2922#endif 2923 ETHER_NEXT_MULTI(step, enm); 2924 } 2925 } 2926 /* 2927 * No reason to use a hash if we are going to be 2928 * receiving every multicast. 2929 */ 2930 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2931 hash = tulip_mchash(etherbroadcastaddr); 2932#if BYTE_ORDER == BIG_ENDIAN 2933 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2934#else 2935 sp[hash >> 4] |= 1 << (hash & 0xF); 2936#endif 2937 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2938 hash = tulip_mchash(sc->tulip_enaddr); 2939#if BYTE_ORDER == BIG_ENDIAN 2940 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2941#else 2942 sp[hash >> 4] |= 1 << (hash & 0xF); 2943#endif 2944 } else { 2945#if BYTE_ORDER == BIG_ENDIAN 2946 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2947 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2948 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2949#else 2950 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2951 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2952 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2953#endif 2954 } 2955 } 2956 } 2957 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2958 u_int32_t *sp = sc->tulip_setupdata; 2959 int idx = 0; 2960 if (ac->ac_multirangecnt > 0) 2961 sc->tulip_flags |= TULIP_ALLMULTI; 2962 2963 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2964 /* 2965 * Else can get perfect filtering for 16 addresses. 2966 */ 2967 ETHER_FIRST_MULTI(step, ac, enm); 2968 for (; enm != NULL; idx++) { 2969#if BYTE_ORDER == BIG_ENDIAN 2970 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2971 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2972 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2973#else 2974 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2975 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2976 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2977#endif 2978 ETHER_NEXT_MULTI(step, enm); 2979 } 2980 /* 2981 * Add the broadcast address. 2982 */ 2983 idx++; 2984#if BYTE_ORDER == BIG_ENDIAN 2985 *sp++ = 0xFFFF << 16; 2986 *sp++ = 0xFFFF << 16; 2987 *sp++ = 0xFFFF << 16; 2988#else 2989 *sp++ = 0xFFFF; 2990 *sp++ = 0xFFFF; 2991 *sp++ = 0xFFFF; 2992#endif 2993 } 2994 /* 2995 * Pad the rest with our hardware address 2996 */ 2997 for (; idx < 16; idx++) { 2998#if BYTE_ORDER == BIG_ENDIAN 2999 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3000 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3001 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3002#else 3003 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3004 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3005 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3006#endif 3007 } 3008 } 3009 if (sc->tulip_flags & TULIP_ALLMULTI) 3010 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3011} 3012 3013void 3014tulip_reset(tulip_softc_t * const sc) 3015{ 3016 tulip_ringinfo_t *ri; 3017 tulip_desc_t *di; 3018 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3019 3020 /* 3021 * Brilliant. Simply brilliant. When switching modes/speeds 3022 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3023 * bits in CSR6 and then do a software reset to get the 21140 3024 * to properly reset its internal pathways to the right places. 3025 * Grrrr. 3026 */ 3027 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3028 && sc->tulip_boardsw->bd_media_preset != NULL) 3029 (*sc->tulip_boardsw->bd_media_preset)(sc); 3030 3031 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3032 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3033 33MHz that comes to two microseconds but wait a 3034 bit longer anyways) */ 3035 3036 if (!inreset) { 3037 sc->tulip_flags |= TULIP_INRESET; 3038 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3039 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3040 sc->tulip_if.if_start = tulip_ifstart; 3041 } 3042 3043 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3044 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3045 TULIP_CSR_WRITE(sc, csr_busmode, 3046 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3047 |TULIP_BUSMODE_CACHE_ALIGN8 3048 |TULIP_BUSMODE_READMULTIPLE 3049 |(BYTE_ORDER != LITTLE_ENDIAN ? 3050 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3051 3052 sc->tulip_txtimer = 0; 3053 IFQ_SET_MAXLEN(&sc->tulip_txq, TULIP_TXDESCS); 3054 /* 3055 * Free all the mbufs that were on the transmit ring. 3056 */ 3057 for (;;) { 3058 bus_dmamap_t map; 3059 struct mbuf *m; 3060 IF_DEQUEUE(&sc->tulip_txq, m); 3061 if (m == NULL) 3062 break; 3063 map = TULIP_GETCTX(m, bus_dmamap_t); 3064 bus_dmamap_unload(sc->tulip_dmatag, map); 3065 tulip_free_txmap(sc, map); 3066 m_freem(m); 3067 } 3068 3069 ri = &sc->tulip_txinfo; 3070 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3071 ri->ri_free = ri->ri_max; 3072 for (di = ri->ri_first; di < ri->ri_last; di++) 3073 di->d_status = 0; 3074 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3075 0, sc->tulip_txdescmap->dm_mapsize, 3076 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3077 3078 /* 3079 * We need to collect all the mbufs were on the 3080 * receive ring before we reinit it either to put 3081 * them back on or to know if we have to allocate 3082 * more. 3083 */ 3084 ri = &sc->tulip_rxinfo; 3085 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3086 ri->ri_free = ri->ri_max; 3087 for (di = ri->ri_first; di < ri->ri_last; di++) { 3088 di->d_status = 0; 3089 di->d_length1 = 0; di->d_addr1 = 0; 3090 di->d_length2 = 0; di->d_addr2 = 0; 3091 } 3092 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3093 0, sc->tulip_rxdescmap->dm_mapsize, 3094 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3095 for (;;) { 3096 bus_dmamap_t map; 3097 struct mbuf *m; 3098 IF_DEQUEUE(&sc->tulip_rxq, m); 3099 if (m == NULL) 3100 break; 3101 map = TULIP_GETCTX(m, bus_dmamap_t); 3102 bus_dmamap_unload(sc->tulip_dmatag, map); 3103 tulip_free_rxmap(sc, map); 3104 m_freem(m); 3105 } 3106 3107 /* 3108 * If tulip_reset is being called recurisvely, exit quickly knowing 3109 * that when the outer tulip_reset returns all the right stuff will 3110 * have happened. 3111 */ 3112 if (inreset) 3113 return; 3114 3115 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3116 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3117 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3118 |TULIP_STS_RXSTOPPED; 3119 3120 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3121 (*sc->tulip_boardsw->bd_media_select)(sc); 3122#if defined(TULIP_DEBUG) 3123 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3124 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3125 TULIP_PRINTF_ARGS); 3126#endif 3127 tulip_media_print(sc); 3128 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3129 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3130 3131 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3132 |TULIP_RXACT); 3133 tulip_addr_filter(sc); 3134} 3135 3136void 3137tulip_init(tulip_softc_t * const sc) 3138{ 3139 if (sc->tulip_if.if_flags & IFF_UP) { 3140 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3141 /* initialize the media */ 3142 tulip_reset(sc); 3143 } 3144 sc->tulip_if.if_flags |= IFF_RUNNING; 3145 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3146 sc->tulip_flags |= TULIP_PROMISC; 3147 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3148 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3149 } else { 3150 sc->tulip_flags &= ~TULIP_PROMISC; 3151 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3152 if (sc->tulip_flags & TULIP_ALLMULTI) 3153 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3154 else 3155 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3156 } 3157 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3158 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3159 tulip_rx_intr(sc); 3160 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3161 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3162 } else { 3163 sc->tulip_if.if_flags |= IFF_OACTIVE; 3164 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3165 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3166 } 3167 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3168 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3169 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3170 tulip_txput_setup(sc); 3171 } else { 3172 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3173 tulip_reset(sc); 3174 } 3175} 3176 3177void 3178tulip_rx_intr(tulip_softc_t * const sc) 3179{ 3180 TULIP_PERFSTART(rxintr) 3181 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3182 struct ifnet * const ifp = &sc->tulip_if; 3183 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 3184 int fillok = 1; 3185#if defined(TULIP_DEBUG) 3186 int cnt = 0; 3187#endif 3188 3189 for (;;) { 3190 TULIP_PERFSTART(rxget) 3191 tulip_desc_t *eop = ri->ri_nextin; 3192 int total_len = 0, last_offset = 0; 3193 struct mbuf *ms = NULL, *me = NULL; 3194 int accept = 0; 3195 bus_dmamap_t map; 3196 int error; 3197 3198 if (fillok && IF_LEN(&sc->tulip_rxq) < TULIP_RXQ_TARGET) 3199 goto queue_mbuf; 3200 3201#if defined(TULIP_DEBUG) 3202 if (cnt == ri->ri_max) 3203 break; 3204#endif 3205 /* 3206 * If the TULIP has no descriptors, there can't be any receive 3207 * descriptors to process. 3208 */ 3209 if (eop == ri->ri_nextout) 3210 break; 3211 3212 /* 3213 * 90% of the packets will fit in one descriptor. So we optimize 3214 * for that case. 3215 */ 3216 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3217 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3218#ifdef DIAGNOSTIC 3219 if (IF_IS_EMPTY(&sc->tulip_rxq)) 3220 panic("%s: tulip_rxq empty", sc->tulip_if.if_xname); 3221#endif 3222 IF_DEQUEUE(&sc->tulip_rxq, ms); 3223 me = ms; 3224 } else { 3225 /* 3226 * If still owned by the TULIP, don't touch it. 3227 */ 3228 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3229 break; 3230 3231 /* 3232 * It is possible (though improbable unless MCLBYTES < 1518) for 3233 * a received packet to cross more than one receive descriptor. 3234 */ 3235 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3236 if (++eop == ri->ri_last) 3237 eop = ri->ri_first; 3238 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3239 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3240 TULIP_PERFEND(rxget); 3241 goto out; 3242 } 3243 total_len++; 3244 } 3245 3246 /* 3247 * Dequeue the first buffer for the start of the packet. Hopefully 3248 * this will be the only one we need to dequeue. However, if the 3249 * packet consumed multiple descriptors, then we need to dequeue 3250 * those buffers and chain to the starting mbuf. All buffers but 3251 * the last buffer have the same length so we can set that now. 3252 * (we add to last_offset instead of multiplying since we normally 3253 * won't go into the loop and thereby saving a ourselves from 3254 * doing a multiplication by 0 in the normal case). 3255 */ 3256 IF_DEQUEUE(&sc->tulip_rxq, ms); 3257 for (me = ms; total_len > 0; total_len--) { 3258 map = TULIP_GETCTX(me, bus_dmamap_t); 3259 TULIP_RXMAP_POSTSYNC(sc, map); 3260 bus_dmamap_unload(sc->tulip_dmatag, map); 3261 tulip_free_rxmap(sc, map); 3262#if defined(DIAGNOSTIC) 3263 TULIP_SETCTX(me, NULL); 3264#endif 3265 me->m_len = TULIP_RX_BUFLEN; 3266 last_offset += TULIP_RX_BUFLEN; 3267 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3268 me = me->m_next; 3269 } 3270 } 3271 3272 /* 3273 * Now get the size of received packet (minus the CRC). 3274 */ 3275 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3276 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3277 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3278 me->m_len = total_len - last_offset; 3279 3280 map = TULIP_GETCTX(me, bus_dmamap_t); 3281 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3282 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3283 bus_dmamap_unload(sc->tulip_dmatag, map); 3284 tulip_free_rxmap(sc, map); 3285#if defined(DIAGNOSTIC) 3286 TULIP_SETCTX(me, NULL); 3287#endif 3288 sc->tulip_flags |= TULIP_RXACT; 3289 accept = 1; 3290 } else { 3291 ifp->if_ierrors++; 3292 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3293 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3294 else { 3295#ifdef TULIP_DEBUG 3296 const char *error = NULL; 3297 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3298 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3299 error = "frame too long"; 3300 } 3301 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3302 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3303 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3304 error = "alignment error"; 3305 } else { 3306 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3307 error = "bad crc"; 3308 } 3309 } 3310 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3311 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3312 TULIP_PRINTF_ARGS, 3313 ether_sprintf(mtod(ms, u_char *) + 6), 3314 error); 3315 sc->tulip_flags |= TULIP_NOMESSAGES; 3316 } 3317#endif 3318 } 3319 3320 map = TULIP_GETCTX(me, bus_dmamap_t); 3321 bus_dmamap_unload(sc->tulip_dmatag, map); 3322 tulip_free_rxmap(sc, map); 3323#if defined(DIAGNOSTIC) 3324 TULIP_SETCTX(me, NULL); 3325#endif 3326 } 3327#if defined(TULIP_DEBUG) 3328 cnt++; 3329#endif 3330 ifp->if_ipackets++; 3331 if (++eop == ri->ri_last) 3332 eop = ri->ri_first; 3333 ri->ri_nextin = eop; 3334 queue_mbuf: 3335 /* 3336 * Either we are priming the TULIP with mbufs (m == NULL) 3337 * or we are about to accept an mbuf for the upper layers 3338 * so we need to allocate an mbuf to replace it. If we 3339 * can't replace it, send up it anyways. This may cause 3340 * us to drop packets in the future but that's better than 3341 * being caught in livelock. 3342 * 3343 * Note that if this packet crossed multiple descriptors 3344 * we don't even try to reallocate all the mbufs here. 3345 * Instead we rely on the test of the beginning of 3346 * the loop to refill for the extra consumed mbufs. 3347 */ 3348 if (accept || ms == NULL) { 3349 struct mbuf *m0; 3350 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3351 if (m0 != NULL) { 3352#if defined(TULIP_COPY_RXDATA) 3353 if (!accept || total_len >= (MHLEN - 2)) { 3354#endif 3355 MCLGET(m0, M_DONTWAIT); 3356 if ((m0->m_flags & M_EXT) == 0) { 3357 m_freem(m0); 3358 m0 = NULL; 3359 } 3360#if defined(TULIP_COPY_RXDATA) 3361 } 3362#endif 3363 } 3364 if (accept 3365#if defined(TULIP_COPY_RXDATA) 3366 && m0 != NULL 3367#endif 3368 ) { 3369#if !defined(TULIP_COPY_RXDATA) 3370 ms->m_pkthdr.len = total_len; 3371 ml_enqueue(&ml, 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 ml_enqueue(&ml, m0); 3377 m0 = ms; 3378#endif 3379 } 3380 ms = m0; 3381 } 3382 if (ms == NULL) { 3383 /* 3384 * Couldn't allocate a new buffer. Don't bother 3385 * trying to replenish the receive queue. 3386 */ 3387 fillok = 0; 3388 sc->tulip_flags |= TULIP_RXBUFSLOW; 3389#if defined(TULIP_DEBUG) 3390 sc->tulip_dbg.dbg_rxlowbufs++; 3391#endif 3392 TULIP_PERFEND(rxget); 3393 continue; 3394 } 3395 /* 3396 * Now give the buffer(s) to the TULIP and save in our 3397 * receive queue. 3398 */ 3399 do { 3400 tulip_desc_t * const nextout = ri->ri_nextout; 3401 if (sc->tulip_num_free_rxmaps > 0) { 3402 map = tulip_alloc_rxmap(sc); 3403 } else { 3404 m_freem(ms); 3405 sc->tulip_flags |= TULIP_RXBUFSLOW; 3406#if defined(TULIP_DEBUG) 3407 sc->tulip_dbg.dbg_rxlowbufs++; 3408#endif 3409 break; 3410 } 3411 TULIP_SETCTX(ms, map); 3412 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3413 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3414 if (error) { 3415 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3416 "error = %d\n", TULIP_PRINTF_ARGS, error); 3417 panic("tulip_rx_intr"); /* XXX */ 3418 } 3419 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3420 nextout->d_length1 = map->dm_segs[0].ds_len; 3421 if (map->dm_nsegs == 2) { 3422 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3423 nextout->d_length2 = map->dm_segs[1].ds_len; 3424 } else { 3425 nextout->d_addr2 = 0; 3426 nextout->d_length2 = 0; 3427 } 3428 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3429 nextout->d_status = TULIP_DSTS_OWNER; 3430 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3431 if (++ri->ri_nextout == ri->ri_last) 3432 ri->ri_nextout = ri->ri_first; 3433 me = ms->m_next; 3434 ms->m_next = NULL; 3435 IF_ENQUEUE(&sc->tulip_rxq, ms); 3436 } while ((ms = me) != NULL); 3437 3438 if (IF_LEN(&sc->tulip_rxq) >= TULIP_RXQ_TARGET) 3439 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3440 TULIP_PERFEND(rxget); 3441 } 3442out: 3443 if_input(ifp, &ml); 3444 3445#if defined(TULIP_DEBUG) 3446 sc->tulip_dbg.dbg_rxintrs++; 3447 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3448#endif 3449 TULIP_PERFEND(rxintr); 3450} 3451 3452int 3453tulip_tx_intr(tulip_softc_t * const sc) 3454{ 3455 TULIP_PERFSTART(txintr) 3456 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3457 struct mbuf *m; 3458 int xmits = 0; 3459 int descs = 0; 3460 3461 while (ri->ri_free < ri->ri_max) { 3462 u_int32_t d_flag; 3463 3464 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3465 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3466 break; 3467 3468 ri->ri_free++; 3469 descs++; 3470 d_flag = ri->ri_nextin->d_flag; 3471 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3472 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3473 /* 3474 * We've just finished processing a setup packet. 3475 * Mark that we finished it. If there's not 3476 * another pending, startup the TULIP receiver. 3477 * Make sure we ack the RXSTOPPED so we won't get 3478 * an abormal interrupt indication. 3479 */ 3480 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3481 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3482 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3483 sc->tulip_flags |= TULIP_HASHONLY; 3484 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3485 tulip_rx_intr(sc); 3486 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3487 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3488 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3489 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3490 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3491 } 3492 } else { 3493 const u_int32_t d_status = ri->ri_nextin->d_status; 3494 IF_DEQUEUE(&sc->tulip_txq, m); 3495 if (m != NULL) { 3496 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3497 TULIP_TXMAP_POSTSYNC(sc, map); 3498 tulip_free_txmap(sc, map); 3499#if NBPFILTER > 0 3500 if (sc->tulip_bpf != NULL) 3501 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3502#endif 3503 m_freem(m); 3504 } 3505 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3506 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3507 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3508#if defined(TULIP_DEBUG) 3509 if (d_status & TULIP_DSTS_TxNOCARR) 3510 sc->tulip_dbg.dbg_txprobe_nocarr++; 3511 if (d_status & TULIP_DSTS_TxEXCCOLL) 3512 sc->tulip_dbg.dbg_txprobe_exccoll++; 3513#endif 3514 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3515 } 3516 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3517 /* 3518 * Escape from the loop before media poll has reset the TULIP! 3519 */ 3520 break; 3521 } else { 3522 xmits++; 3523 if (d_status & TULIP_DSTS_ERRSUM) { 3524 sc->tulip_if.if_oerrors++; 3525 if (d_status & TULIP_DSTS_TxEXCCOLL) 3526 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3527 if (d_status & TULIP_DSTS_TxLATECOLL) 3528 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3529 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3530 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3531 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3532 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3533 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3534 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3535 if (d_status & TULIP_DSTS_TxBABBLE) 3536 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3537 } else { 3538 u_int32_t collisions = 3539 (d_status & TULIP_DSTS_TxCOLLMASK) 3540 >> TULIP_DSTS_V_TxCOLLCNT; 3541 sc->tulip_if.if_collisions += collisions; 3542 if (collisions == 1) 3543 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3544 else if (collisions > 1) 3545 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3546 else if (d_status & TULIP_DSTS_TxDEFERRED) 3547 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3548 /* 3549 * SQE is only valid for 10baseT/BNC/AUI when not 3550 * running in full-duplex. In order to speed up the 3551 * test, the corresponding bit in tulip_flags needs to 3552 * set as well to get us to count SQE Test Errors. 3553 */ 3554 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3555 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3556 } 3557 } 3558 } 3559 } 3560 3561 if (++ri->ri_nextin == ri->ri_last) 3562 ri->ri_nextin = ri->ri_first; 3563 3564 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3565 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3566 } 3567 /* 3568 * If nothing left to transmit, disable the timer. 3569 * Else if progress, reset the timer back to 2 ticks. 3570 */ 3571 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3572 sc->tulip_txtimer = 0; 3573 else if (xmits > 0) 3574 sc->tulip_txtimer = TULIP_TXTIMER; 3575 sc->tulip_if.if_opackets += xmits; 3576 TULIP_PERFEND(txintr); 3577 return (descs); 3578} 3579 3580void 3581tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3582{ 3583#ifdef TULIP_DEBUG 3584 const char * const *msgp = tulip_status_bits; 3585 const char *sep; 3586 u_int32_t mask; 3587 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3588 3589 csr &= (1 << (nitems(tulip_status_bits))) - 1; 3590 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3591 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3592 if ((csr & mask) && *msgp != NULL) { 3593 printf("%s%s", sep, *msgp); 3594 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3595 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3596 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3597 printf(" (switching to store-and-forward mode)"); 3598 else { 3599 printf(" (raising TX threshold to %s)", 3600 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3601 } 3602 } 3603 sep = ", "; 3604 } 3605 } 3606 printf("\n"); 3607#endif 3608} 3609 3610void 3611tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3612{ 3613 TULIP_PERFSTART(intr) 3614 u_int32_t csr; 3615 3616 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3617 *progress_p = 1; 3618 TULIP_CSR_WRITE(sc, csr_status, csr); 3619 3620 if (csr & TULIP_STS_SYSERROR) { 3621 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3622 if (sc->tulip_flags & TULIP_NOMESSAGES) 3623 sc->tulip_flags |= TULIP_SYSTEMERROR; 3624 else { 3625#if defined(TULIP_DEBUG) 3626 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3627 TULIP_PRINTF_ARGS, 3628 tulip_system_errors[sc->tulip_last_system_error]); 3629#endif 3630 } 3631 sc->tulip_flags |= TULIP_NEEDRESET; 3632 sc->tulip_system_errors++; 3633 break; 3634 } 3635 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3636#if defined(TULIP_DEBUG) 3637 sc->tulip_dbg.dbg_link_intrs++; 3638#endif 3639 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3640 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3641 ? TULIP_MEDIAPOLL_LINKFAIL 3642 : TULIP_MEDIAPOLL_LINKPASS); 3643 csr &= ~TULIP_STS_ABNRMLINTR; 3644 } 3645 tulip_media_print(sc); 3646 } 3647 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3648 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3649 if (csr & TULIP_STS_RXNOBUF) 3650 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3651 /* 3652 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3653 * on receive overflows. 3654 */ 3655 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3656 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3657 /* 3658 * Stop the receiver process and spin until it's stopped. 3659 * Tell rx_intr to drop the packets it dequeues. 3660 */ 3661 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3662 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3663 ; 3664 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3665 sc->tulip_flags |= TULIP_RXIGNORE; 3666 } 3667 tulip_rx_intr(sc); 3668 if (sc->tulip_flags & TULIP_RXIGNORE) { 3669 /* 3670 * Restart the receiver. 3671 */ 3672 sc->tulip_flags &= ~TULIP_RXIGNORE; 3673 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3674 } 3675 } 3676 if (csr & TULIP_STS_ABNRMLINTR) { 3677 u_int32_t tmp = csr & sc->tulip_intrmask 3678 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3679 if (csr & TULIP_STS_TXUNDERFLOW) { 3680#if defined(TULIP_DEBUG) 3681 printf ("Underflow interrupt\n"); 3682#endif 3683 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3684 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3685 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3686 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3687 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3688 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3689 } 3690 } 3691 if (sc->tulip_flags & TULIP_NOMESSAGES) 3692 sc->tulip_statusbits |= tmp; 3693 else { 3694 tulip_print_abnormal_interrupt(sc, tmp); 3695 sc->tulip_flags |= TULIP_NOMESSAGES; 3696 } 3697 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3698 } 3699 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3700 tulip_tx_intr(sc); 3701 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3702 tulip_ifstart(&sc->tulip_if); 3703 } 3704 } 3705 if (sc->tulip_flags & TULIP_NEEDRESET) { 3706 tulip_reset(sc); 3707 tulip_init(sc); 3708 } 3709 TULIP_PERFEND(intr); 3710} 3711 3712int 3713tulip_intr_shared(void *arg) 3714{ 3715 tulip_softc_t * sc = arg; 3716 int progress = 0; 3717 3718 for (; sc != NULL; sc = sc->tulip_slaves) { 3719#if defined(TULIP_DEBUG) 3720 sc->tulip_dbg.dbg_intrs++; 3721#endif 3722 tulip_intr_handler(sc, &progress); 3723 } 3724 return (progress); 3725} 3726 3727int 3728tulip_intr_normal(void *arg) 3729{ 3730 tulip_softc_t * sc = (tulip_softc_t *) arg; 3731 int progress = 0; 3732 3733#if defined(TULIP_DEBUG) 3734 sc->tulip_dbg.dbg_intrs++; 3735#endif 3736 tulip_intr_handler(sc, &progress); 3737 3738 return (progress); 3739} 3740 3741struct mbuf * 3742tulip_mbuf_compress(struct mbuf *m) 3743{ 3744 struct mbuf *m0; 3745#if MCLBYTES >= ETHERMTU + 18 3746 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3747 if (m0 != NULL) { 3748 if (m->m_pkthdr.len > MHLEN) { 3749 MCLGET(m0, M_DONTWAIT); 3750 if ((m0->m_flags & M_EXT) == 0) { 3751 m_freem(m); 3752 m_freem(m0); 3753 return (NULL); 3754 } 3755 } 3756 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3757 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3758 } 3759#else 3760 int mlen = MHLEN; 3761 int len = m->m_pkthdr.len; 3762 struct mbuf **mp = &m0; 3763 3764 while (len > 0) { 3765 if (mlen == MHLEN) 3766 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 3767 else 3768 MGET(*mp, M_DONTWAIT, MT_DATA); 3769 if (*mp == NULL) { 3770 m_freem(m0); 3771 m0 = NULL; 3772 break; 3773 } 3774 if (len > MLEN) { 3775 MCLGET(*mp, M_DONTWAIT); 3776 if (((*mp)->m_flags & M_EXT) == 0) { 3777 m_freem(m0); 3778 m0 = NULL; 3779 break; 3780 } 3781 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3782 else 3783 (*mp)->m_len = len <= mlen ? len : mlen; 3784 m_copydata(m, m->m_pkthdr.len - len, 3785 (*mp)->m_len, mtod((*mp), caddr_t)); 3786 len -= (*mp)->m_len; 3787 mp = &(*mp)->m_next; 3788 mlen = MLEN; 3789 } 3790#endif 3791 m_freem(m); 3792 return (m0); 3793} 3794 3795struct mbuf * 3796tulip_txput(tulip_softc_t * const sc, struct mbuf *m, int notonqueue) 3797{ 3798 TULIP_PERFSTART(txput) 3799 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3800 tulip_desc_t *eop, *nextout; 3801 int segcnt, freedescs; 3802 u_int32_t d_status; 3803 bus_dmamap_t map; 3804 int error; 3805 struct ifnet *ifp = &sc->tulip_if; 3806#ifdef DIAGNOSTIC 3807 struct mbuf *ombuf = m; 3808#endif 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_num_free_txmaps == 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_num_free_txmaps > 0) 3854 map = tulip_alloc_txmap(sc); 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 if (!notonqueue) { 3872#ifdef DIAGNOSTIC 3873 if (IF_IS_EMPTY(&ifp->if_snd)) 3874 panic("%s: if_snd queue empty", ifp->if_xname); 3875#endif 3876 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3877#ifdef DIAGNOSTIC 3878 if (tmp != ombuf) 3879 panic("tulip_txput: different mbuf dequeued!"); 3880#endif 3881 } 3882 compressed = 1; 3883 m = tulip_mbuf_compress(m); 3884 if (m == NULL) { 3885#if defined(TULIP_DEBUG) 3886 sc->tulip_dbg.dbg_txput_finishes[2]++; 3887#endif 3888 tulip_free_txmap(sc, map); 3889 goto finish; 3890 } 3891 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 3892 } 3893 if (error != 0) { 3894 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 3895 "error = %d\n", TULIP_PRINTF_ARGS, error); 3896#if defined(TULIP_DEBUG) 3897 sc->tulip_dbg.dbg_txput_finishes[3]++; 3898#endif 3899 tulip_free_txmap(sc, map); 3900 goto finish; 3901 } 3902 } 3903 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3904 /* 3905 * See if there's any unclaimed space in the transmit ring. 3906 */ 3907 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3908 /* 3909 * There's no more room but since nothing 3910 * has been committed at this point, just 3911 * show output is active, put back the 3912 * mbuf and return. 3913 */ 3914 sc->tulip_flags |= TULIP_WANTTXSTART; 3915#if defined(TULIP_DEBUG) 3916 sc->tulip_dbg.dbg_txput_finishes[4]++; 3917#endif 3918 bus_dmamap_unload(sc->tulip_dmatag, map); 3919 tulip_free_txmap(sc, map); 3920 goto finish; 3921 } 3922 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3923 eop = nextout; 3924 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3925 eop->d_status = d_status; 3926 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3927 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3928 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3929 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3930 d_status = TULIP_DSTS_OWNER; 3931 if (++nextout == ri->ri_last) 3932 nextout = ri->ri_first; 3933 } 3934 if (segcnt < map->dm_nsegs) { 3935 eop = nextout; 3936 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3937 eop->d_status = d_status; 3938 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3939 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3940 eop->d_addr2 = 0; 3941 eop->d_length2 = 0; 3942 if (++nextout == ri->ri_last) 3943 nextout = ri->ri_first; 3944 } 3945 TULIP_TXMAP_PRESYNC(sc, map); 3946 TULIP_SETCTX(m, map); 3947 map = NULL; 3948 3949 /* 3950 * The descriptors have been filled in. Now get ready 3951 * to transmit. 3952 */ 3953 if (!compressed && !notonqueue) { 3954 /* remove the mbuf from the queue */ 3955 struct mbuf *tmp; 3956#ifdef DIAGNOSTIC 3957 if (IF_IS_EMPTY(&ifp->if_snd)) 3958 panic("%s: if_snd queue empty", ifp->if_xname); 3959#endif 3960 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3961#ifdef DIAGNOSTIC 3962 if (tmp != ombuf) 3963 panic("tulip_txput: different mbuf dequeued!"); 3964#endif 3965 } 3966 3967 IF_ENQUEUE(&sc->tulip_txq, m); 3968 m = NULL; 3969 3970 /* 3971 * Make sure the next descriptor after this packet is owned 3972 * by us since it may have been set up above if we ran out 3973 * of room in the ring. 3974 */ 3975 nextout->d_status = 0; 3976 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 3977 3978 /* 3979 * Mark the last and first segments, indicate we want a transmit 3980 * complete interrupt, and tell it to transmit! 3981 */ 3982 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 3983 3984 /* 3985 * Note that ri->ri_nextout is still the start of the packet 3986 * and until we set the OWNER bit, we can still back out of 3987 * everything we have done. 3988 */ 3989 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 3990 if (eop < ri->ri_nextout) { 3991 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3992 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 3993 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 3994 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 3995 } else { 3996 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 3997 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 3998 } 3999 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4000 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4001 4002 /* 4003 * This advances the ring for us. 4004 */ 4005 ri->ri_nextout = nextout; 4006 ri->ri_free = freedescs; 4007 4008 TULIP_PERFEND(txput); 4009 4010 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4011 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4012 sc->tulip_if.if_flags |= IFF_OACTIVE; 4013 sc->tulip_if.if_start = tulip_ifstart; 4014 TULIP_PERFEND(txput); 4015 return (NULL); 4016 } 4017 4018 /* 4019 * switch back to the single queueing ifstart. 4020 */ 4021 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4022 if (sc->tulip_txtimer == 0) 4023 sc->tulip_txtimer = TULIP_TXTIMER; 4024#if defined(TULIP_DEBUG) 4025 sc->tulip_dbg.dbg_txput_finishes[5]++; 4026#endif 4027 4028 /* 4029 * If we want a txstart, there must be not enough space in the 4030 * transmit ring. So we want to enable transmit done interrupts 4031 * so we can immediately reclaim some space. When the transmit 4032 * interrupt is posted, the interrupt handler will call tx_intr 4033 * to reclaim space and then txstart (since WANTTXSTART is set). 4034 * txstart will move the packet into the transmit ring and clear 4035 * WANTTXSTART thereby causing TXINTR to be cleared. 4036 */ 4037 finish: 4038#if defined(TULIP_DEBUG) 4039 sc->tulip_dbg.dbg_txput_finishes[6]++; 4040#endif 4041 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4042 sc->tulip_if.if_flags |= IFF_OACTIVE; 4043 sc->tulip_if.if_start = tulip_ifstart; 4044 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4045 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4046 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4047 } 4048 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4049 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4050 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4051 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4052 } 4053 } 4054 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4055 TULIP_PERFEND(txput); 4056 return (m); 4057} 4058 4059void 4060tulip_txput_setup(tulip_softc_t * const sc) 4061{ 4062 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4063 tulip_desc_t *nextout; 4064 4065 /* 4066 * We will transmit, at most, one setup packet per call to ifstart. 4067 */ 4068 4069#if defined(TULIP_DEBUG) 4070 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4071 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4072 TULIP_PRINTF_ARGS); 4073 sc->tulip_flags |= TULIP_WANTTXSTART; 4074 sc->tulip_if.if_start = tulip_ifstart; 4075 return; 4076 } 4077#endif 4078 /* 4079 * Try to reclaim some free descriptors.. 4080 */ 4081 if (ri->ri_free < 2) 4082 tulip_tx_intr(sc); 4083 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4084 sc->tulip_flags |= TULIP_WANTTXSTART; 4085 sc->tulip_if.if_start = tulip_ifstart; 4086 return; 4087 } 4088 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4089 sizeof(sc->tulip_setupbuf)); 4090 /* 4091 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4092 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4093 */ 4094 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4095 ri->ri_free--; 4096 nextout = ri->ri_nextout; 4097 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4098 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4099 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4100 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4101 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4102 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4103 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4104 4105 nextout->d_length2 = 0; 4106 nextout->d_addr2 = 0; 4107 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4108 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4109 if (sc->tulip_setupmap->dm_nsegs == 2) { 4110 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4111 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4112 } 4113 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4114 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4115 4116 /* 4117 * Advance the ring for the next transmit packet. 4118 */ 4119 if (++ri->ri_nextout == ri->ri_last) 4120 ri->ri_nextout = ri->ri_first; 4121 4122 /* 4123 * Make sure the next descriptor is owned by us since it 4124 * may have been set up above if we ran out of room in the 4125 * ring. 4126 */ 4127 ri->ri_nextout->d_status = 0; 4128 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4129 nextout->d_status = TULIP_DSTS_OWNER; 4130 /* 4131 * Flush the ownwership of the current descriptor 4132 */ 4133 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4134 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4135 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4136 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4137 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4138 } 4139} 4140 4141/* 4142 * This routine is entered at splnet(). 4143 */ 4144int 4145tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4146{ 4147 TULIP_PERFSTART(ifioctl) 4148 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4149 struct ifaddr *ifa = (struct ifaddr *)data; 4150 struct ifreq *ifr = (struct ifreq *) data; 4151 int s; 4152 int error = 0; 4153 4154 s = splnet(); 4155 4156 switch (cmd) { 4157 case SIOCSIFADDR: { 4158 ifp->if_flags |= IFF_UP; 4159 tulip_init(sc); 4160 switch(ifa->ifa_addr->sa_family) { 4161 case AF_INET: { 4162 arp_ifinit(&sc->tulip_ac, ifa); 4163 break; 4164 } 4165 4166 default: { 4167 break; 4168 } 4169 } 4170 break; 4171 } 4172 4173 case SIOCSIFFLAGS: { 4174 tulip_init(sc); 4175 break; 4176 } 4177 4178 case SIOCSIFMEDIA: 4179 case SIOCGIFMEDIA: { 4180 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4181 break; 4182 } 4183 4184 default: 4185 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4186 } 4187 4188 if (error == ENETRESET) { 4189 if (ifp->if_flags & IFF_RUNNING) { 4190 tulip_addr_filter(sc); /* reset multicast filtering */ 4191 tulip_init(sc); 4192 } 4193 error = 0; 4194 } 4195 4196 splx(s); 4197 TULIP_PERFEND(ifioctl); 4198 return (error); 4199} 4200 4201/* 4202 * the original dequeueing policy is dequeue-and-prepend if something 4203 * goes wrong. 4204 * the modification becomes a bit complicated since tulip_txput() might 4205 * copy and modify the mbuf passed. 4206 */ 4207 4208void 4209tulip_ifstart(struct ifnet * const ifp) 4210{ 4211 TULIP_PERFSTART(ifstart) 4212 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4213 4214 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4215 4216 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4217 tulip_txput_setup(sc); 4218 4219 while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4220 struct mbuf *m, *m0; 4221 IFQ_POLL(&sc->tulip_if.if_snd, m); 4222 if (m == NULL) 4223 break; 4224 if ((m0 = tulip_txput(sc, m, 0)) != NULL) { 4225 if (m0 != m) 4226 /* should not happen */ 4227 printf("tulip_if_start: txput failed!\n"); 4228 break; 4229 } 4230 } 4231 } 4232 4233 TULIP_PERFEND(ifstart); 4234} 4235 4236void 4237tulip_ifwatchdog(struct ifnet *ifp) 4238{ 4239 TULIP_PERFSTART(ifwatchdog) 4240 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4241 4242#if defined(TULIP_DEBUG) 4243 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4244 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4245 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4246 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4247#endif /* TULIP_DEBUG */ 4248 4249 sc->tulip_if.if_timer = 1; 4250 /* 4251 * These should be rare so do a bulk test up front so we can just skip 4252 * them if needed. 4253 */ 4254 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4255 /* 4256 * If the number of receive buffer is low, try to refill 4257 */ 4258 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4259 tulip_rx_intr(sc); 4260 4261#if defined(TULIP_DEBUG) 4262 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4263 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4264 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4265 tulip_system_errors[sc->tulip_last_system_error]); 4266 } 4267#endif 4268 if (sc->tulip_statusbits) { 4269 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4270 sc->tulip_statusbits = 0; 4271 } 4272 4273 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4274 } 4275 4276 if (sc->tulip_txtimer) 4277 tulip_tx_intr(sc); 4278 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4279 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4280 if (TULIP_DO_AUTOSENSE(sc)) { 4281 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4282 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4283 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4284 } 4285 tulip_reset(sc); 4286 tulip_init(sc); 4287 } 4288 4289 TULIP_PERFEND(ifwatchdog); 4290 TULIP_PERFMERGE(sc, perf_intr_cycles); 4291 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4292 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4293 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4294 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4295 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4296 TULIP_PERFMERGE(sc, perf_txput_cycles); 4297 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4298 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4299 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4300 TULIP_PERFMERGE(sc, perf_intr); 4301 TULIP_PERFMERGE(sc, perf_ifstart); 4302 TULIP_PERFMERGE(sc, perf_ifioctl); 4303 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4304 TULIP_PERFMERGE(sc, perf_timeout); 4305 TULIP_PERFMERGE(sc, perf_ifstart_one); 4306 TULIP_PERFMERGE(sc, perf_txput); 4307 TULIP_PERFMERGE(sc, perf_txintr); 4308 TULIP_PERFMERGE(sc, perf_rxintr); 4309 TULIP_PERFMERGE(sc, perf_rxget); 4310} 4311 4312/* 4313 * All printf's are real as of now! 4314 */ 4315#ifdef printf 4316#undef printf 4317#endif 4318 4319int 4320tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4321 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4322{ 4323 bus_dma_segment_t segs[1]; 4324 int nsegs, error; 4325 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4326 segs, sizeof(segs)/sizeof(segs[0]), 4327 &nsegs, BUS_DMA_NOWAIT); 4328 if (error == 0) { 4329 void *desc; 4330 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4331 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4332 if (error == 0) { 4333 bus_dmamap_t map; 4334 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4335 BUS_DMA_NOWAIT, &map); 4336 if (error == 0) { 4337 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4338 size, NULL, BUS_DMA_NOWAIT); 4339 if (error) 4340 bus_dmamap_destroy(sc->tulip_dmatag, map); 4341 else 4342 *map_p = map; 4343 } 4344 if (error) 4345 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4346 } 4347 if (error) 4348 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4349 else 4350 *desc_p = desc; 4351 } 4352 return (error); 4353} 4354 4355int 4356tulip_busdma_init(tulip_softc_t * const sc) 4357{ 4358 int error = 0; 4359 4360 /* 4361 * Allocate dmamap for setup descriptor 4362 */ 4363 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4364 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4365 &sc->tulip_setupmap); 4366 if (error == 0) { 4367 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4368 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4369 NULL, BUS_DMA_NOWAIT); 4370 if (error) 4371 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4372 } 4373 /* 4374 * Allocate space and dmamap for transmit ring 4375 */ 4376 if (error == 0) { 4377 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4378 &sc->tulip_txdescmap, 4379 &sc->tulip_txdescs); 4380 } 4381 4382 /* 4383 * Allocate dmamaps for each transmit descriptor, and place on the 4384 * free list. 4385 */ 4386 if (error == 0) { 4387 while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { 4388 bus_dmamap_t map; 4389 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4390 tulip_free_txmap(sc, map); 4391 } 4392 if (error) { 4393 while (sc->tulip_num_free_txmaps > 0) 4394 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); 4395 } 4396 } 4397 4398 /* 4399 * Allocate space and dmamap for receive ring 4400 */ 4401 if (error == 0) { 4402 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4403 &sc->tulip_rxdescmap, 4404 &sc->tulip_rxdescs); 4405 } 4406 4407 /* 4408 * Allocate dmamaps for each receive descriptor, and place on the 4409 * free list. 4410 */ 4411 if (error == 0) { 4412 while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { 4413 bus_dmamap_t map; 4414 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4415 tulip_free_rxmap(sc, map); 4416 } 4417 if (error) { 4418 while (sc->tulip_num_free_rxmaps > 0) 4419 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); 4420 } 4421 } 4422 return (error); 4423} 4424 4425void 4426tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4427{ 4428 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4429 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4430 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4431 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4432 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4433 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4434 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4435 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4436 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4437 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4438 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4439 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4440 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4441 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4442 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4443 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4444} 4445 4446void 4447tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4448 tulip_desc_t *descs, int ndescs) 4449{ 4450 ri->ri_max = ndescs; 4451 ri->ri_first = descs; 4452 ri->ri_last = ri->ri_first + ri->ri_max; 4453 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4454 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4455} 4456 4457int 4458tulip_probe(struct device *parent, void *match, void *aux) 4459{ 4460 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4461 4462 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4463 return (0); 4464 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4465 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4466 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4467 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4468 return (2); 4469 4470 return (0); 4471} 4472 4473void 4474tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4475{ 4476 tulip_softc_t * const sc = (tulip_softc_t *) self; 4477 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4478 struct ifnet * const ifp = &sc->tulip_if; 4479 const int unit = sc->tulip_dev.dv_unit; 4480 int retval, idx; 4481 u_int32_t revinfo, cfdainfo, id; 4482 unsigned csroffset = TULIP_PCI_CSROFFSET; 4483 unsigned csrsize = TULIP_PCI_CSRSIZE; 4484 bus_addr_t csr_base; 4485 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4486 4487 if (unit >= TULIP_MAX_DEVICES) { 4488 printf(": not configured; limit of %d reached or exceeded\n", 4489 TULIP_MAX_DEVICES); 4490 return; 4491 } 4492 4493 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4494 id = PCI_CONF_READ(PCI_CFID); 4495 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4496 4497 if (PCI_VENDORID(id) == DEC_VENDORID) { 4498 if (PCI_CHIPID(id) == CHIPID_21040) 4499 chipid = TULIP_21040; 4500 else if (PCI_CHIPID(id) == CHIPID_21041) 4501 chipid = TULIP_21041; 4502 else if (PCI_CHIPID(id) == CHIPID_21140) 4503 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4504 else if (PCI_CHIPID(id) == CHIPID_21142) 4505 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4506 } 4507 4508 if (chipid == TULIP_CHIPID_UNKNOWN) 4509 return; 4510 4511 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4512 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4513 revinfo >> 4, revinfo & 0x0f); 4514 return; 4515 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4516 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4517 revinfo >> 4, revinfo & 0x0f); 4518 return; 4519 } 4520 4521 PCI_GETBUSDEVINFO(sc); 4522 sc->tulip_chipid = chipid; 4523 sc->tulip_flags |= TULIP_DEVICEPROBE; 4524 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4525 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4526 if (chipid == TULIP_21140A && revinfo <= 0x22) 4527 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4528 if (chipid == TULIP_21140) 4529 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4530 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4531 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4532 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4533 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4534 if (chipid != TULIP_21041 || revinfo >= 0x20) 4535 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4536 if (chipid != TULIP_21041) 4537 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4538 if (chipid != TULIP_21041 && revinfo >= 0x20) 4539 sc->tulip_features |= TULIP_HAVE_SIA100; 4540 } 4541 4542 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4543 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4544 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4545 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4546 DELAY(11*1000); 4547 } 4548 4549 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4550 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4551 4552 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4553 sc->tulip_if.if_softc = sc; 4554 sc->tulip_pc = pa->pa_pc; 4555 sc->tulip_dmatag = pa->pa_dmat; 4556 sc->tulip_revinfo = revinfo; 4557 4558 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4559 4560 csr_base = 0; 4561 { 4562 bus_space_tag_t iot, memt; 4563 bus_space_handle_t ioh, memh; 4564 int ioh_valid, memh_valid; 4565 4566 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4567 &iot, &ioh, NULL, NULL, 0) == 0); 4568 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4569 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4570 &memt, &memh, NULL, NULL, 0) == 0); 4571 4572 if (memh_valid) { 4573 sc->tulip_bustag = memt; 4574 sc->tulip_bushandle = memh; 4575 } else if (ioh_valid) { 4576 sc->tulip_bustag = iot; 4577 sc->tulip_bushandle = ioh; 4578 } else { 4579 printf(": unable to map device registers\n"); 4580 return; 4581 } 4582 } 4583 4584 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4585 4586 if ((retval = tulip_busdma_init(sc)) != 0) { 4587 printf(": error initing bus_dma: %d\n", retval); 4588 return; 4589 } 4590 4591 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4592 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4593 4594 /* 4595 * Make sure there won't be any interrupts or such... 4596 */ 4597 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4598 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4599 33MHz that comes to two microseconds but wait a 4600 bit longer anyways) */ 4601 4602 if ((retval = tulip_read_macaddr(sc)) < 0) { 4603 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4604 tulip_chipdescs[sc->tulip_chipid], 4605 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4606 printf(": can't read ENET ROM (why=%d) (", retval); 4607 for (idx = 0; idx < 32; idx++) 4608 printf("%02x", sc->tulip_rombuf[idx]); 4609 printf(", address unknown\n"); 4610 } else { 4611 int (*intr_rtn)(void *) = tulip_intr_normal; 4612 4613 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4614 intr_rtn = tulip_intr_shared; 4615 4616 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4617 pci_intr_handle_t intrhandle; 4618 const char *intrstr; 4619 4620 if (pci_intr_map(pa, &intrhandle)) { 4621 printf(": couldn't map interrupt\n"); 4622 return; 4623 } 4624 4625 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4626 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4627 intr_rtn, sc, self->dv_xname); 4628 if (sc->tulip_ih == NULL) { 4629 printf(": couldn't establish interrupt"); 4630 if (intrstr != NULL) 4631 printf(" at %s", intrstr); 4632 printf("\n"); 4633 return; 4634 } 4635 4636 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4637 sc->tulip_boardid, 4638 tulip_chipdescs[sc->tulip_chipid], 4639 (sc->tulip_revinfo & 0xF0) >> 4, 4640 sc->tulip_revinfo & 0x0F, 4641 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4642 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4643 intrstr, ether_sprintf(sc->tulip_enaddr)); 4644 } 4645 4646 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4647 ifp->if_ioctl = tulip_ifioctl; 4648 ifp->if_start = tulip_ifstart; 4649 ifp->if_watchdog = tulip_ifwatchdog; 4650 ifp->if_timer = 1; 4651 4652 (*sc->tulip_boardsw->bd_media_probe)(sc); 4653 ifmedia_init(&sc->tulip_ifmedia, 0, 4654 tulip_ifmedia_change, tulip_ifmedia_status); 4655 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4656 tulip_ifmedia_add(sc); 4657 4658 tulip_reset(sc); 4659 4660 IFQ_SET_READY(&ifp->if_snd); 4661 if_attach(ifp); 4662 ether_ifattach(ifp); 4663 } 4664} 4665