if_de.c revision 1.102
1/* $OpenBSD: if_de.c,v 1.102 2009/06/19 14:13:41 naddy Exp $ */ 2/* $NetBSD: if_de.c,v 1.58 1998/01/12 09:39:58 thorpej Exp $ */ 3 4/*- 5 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com) 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 * Id: if_de.c,v 1.89 1997/06/03 19:19:55 thomas Exp 28 * 29 */ 30 31/* 32 * DEC 21040 PCI Ethernet Controller 33 * 34 * Written by Matt Thomas 35 * BPF support code stolen directly from if_ec.c 36 * 37 * This driver supports the DEC DE435 or any other PCI 38 * board which support 21040, 21041, or 21140 (mostly). 39 */ 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/mbuf.h> 44#include <sys/protosw.h> 45#include <sys/socket.h> 46#include <sys/ioctl.h> 47#include <sys/errno.h> 48#include <sys/malloc.h> 49#include <sys/kernel.h> 50#include <sys/proc.h> /* only for declaration of wakeup() used by vm.h */ 51#include <sys/device.h> 52#include <sys/timeout.h> 53 54#include <net/if.h> 55#include <net/if_media.h> 56#include <net/if_types.h> 57#include <net/if_dl.h> 58#include <net/route.h> 59#include <net/netisr.h> 60 61#include "bpfilter.h" 62#if NBPFILTER > 0 63#include <net/bpf.h> 64#endif 65 66#ifdef INET 67#include <netinet/in.h> 68#include <netinet/in_systm.h> 69#include <netinet/in_var.h> 70#include <netinet/ip.h> 71#endif 72 73#include <netinet/if_ether.h> 74 75#include <machine/bus.h> 76#include <machine/intr.h> 77#include <dev/pci/pcireg.h> 78#include <dev/pci/pcivar.h> 79#include <dev/pci/pcidevs.h> 80#include <dev/ic/dc21040reg.h> 81 82/* 83 * Intel CPUs should use I/O mapped access. 84 */ 85#if defined(__i386__) 86#define TULIP_IOMAPPED 87#endif 88 89#define TULIP_HZ 10 90 91#define TULIP_SIAGEN_WATCHDOG 0 92 93#define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL) 94 95#define EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 96#define MII_EMIT do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0) 97 98#define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF) 99#define tulip_srom_crcok(databuf) ( \ 100 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \ 101 ((databuf)[126] | ((databuf)[127] << 8))) 102 103/* 104 * This is the PCI configuration support. Since the 21040 is available 105 * on both EISA and PCI boards, one must be careful in how defines the 106 * 21040 in the config file. 107 */ 108 109#define PCI_CFID 0x00 /* Configuration ID */ 110#define PCI_CFCS 0x04 /* Configurtion Command/Status */ 111#define PCI_CFRV 0x08 /* Configuration Revision */ 112#define PCI_CFLT 0x0c /* Configuration Latency Timer */ 113#define PCI_CBIO 0x10 /* Configuration Base IO Address */ 114#define PCI_CBMA 0x14 /* Configuration Base Memory Address */ 115#define PCI_CFIT 0x3c /* Configuration Interrupt */ 116#define PCI_CFDA 0x40 /* Configuration Driver Area */ 117 118#define PCI_CONF_WRITE(r, v) pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v)) 119#define PCI_CONF_READ(r) pci_conf_read(pa->pa_pc, pa->pa_tag, (r)) 120#define PCI_GETBUSDEVINFO(sc) do { \ 121 (sc)->tulip_pci_busno = parent; \ 122 (sc)->tulip_pci_devno = pa->pa_device; \ 123 } while (0) 124 125#include <dev/pci/if_devar.h> 126/* 127 * This module supports 128 * the DEC 21040 PCI Ethernet Controller. 129 * the DEC 21041 PCI Ethernet Controller. 130 * the DEC 21140 PCI Fast Ethernet Controller. 131 */ 132int tulip_probe(struct device *parent, void *match, void *aux); 133void tulip_attach(struct device * const parent, struct device * const self, void * const aux); 134 135struct cfattach de_ca = { 136 sizeof(tulip_softc_t), tulip_probe, tulip_attach 137}; 138 139struct cfdriver de_cd = { 140 0, "de", DV_IFNET 141}; 142 143void tulip_timeout_callback(void *arg); 144void tulip_timeout(tulip_softc_t * const sc); 145int tulip_txprobe(tulip_softc_t * const sc); 146void tulip_media_set(tulip_softc_t * const sc, tulip_media_t media); 147void tulip_linkup(tulip_softc_t * const sc, tulip_media_t media); 148void tulip_media_print(tulip_softc_t * const sc); 149tulip_link_status_t tulip_media_link_monitor(tulip_softc_t * const sc); 150void tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 151void tulip_media_select(tulip_softc_t * const sc); 152 153void tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media); 154void tulip_21040_media_probe(tulip_softc_t * const sc); 155void tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc); 156void tulip_21040_10baset_only_media_select(tulip_softc_t * const sc); 157void tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc); 158void tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc); 159 160void tulip_21041_mediainfo_init(tulip_softc_t * const sc); 161void tulip_21041_media_probe(tulip_softc_t * const sc); 162void tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event); 163 164tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc); 165unsigned tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset); 166int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities); 167void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr); 168 169void tulip_2114x_media_preset(tulip_softc_t * const sc); 170 171void tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event); 172 173void tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 174 tulip_media_t const media, unsigned gpdata, unsigned cmdmode); 175void tulip_21140_evalboard_media_probe(tulip_softc_t * const sc); 176void tulip_21140_accton_media_probe(tulip_softc_t * const sc); 177void tulip_21140_smc9332_media_probe(tulip_softc_t * const sc); 178void tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc); 179void tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc); 180 181void tulip_2114x_media_probe(tulip_softc_t * const sc); 182 183void tulip_delay_300ns(tulip_softc_t * const sc); 184void tulip_srom_idle(tulip_softc_t * const sc); 185void tulip_srom_read(tulip_softc_t * const sc); 186void tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits); 187void tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd); 188unsigned tulip_mii_readbits(tulip_softc_t * const sc); 189unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno); 190void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, 191 unsigned data); 192 193void tulip_identify_dec_nic(tulip_softc_t * const sc); 194void tulip_identify_znyx_nic(tulip_softc_t * const sc); 195void tulip_identify_smc_nic(tulip_softc_t * const sc); 196void tulip_identify_cogent_nic(tulip_softc_t * const sc); 197void tulip_identify_accton_nic(tulip_softc_t * const sc); 198void tulip_identify_asante_nic(tulip_softc_t * const sc); 199void tulip_identify_compex_nic(tulip_softc_t * const sc); 200 201int tulip_srom_decode(tulip_softc_t * const sc); 202int tulip_read_macaddr(tulip_softc_t * const sc); 203void tulip_ifmedia_add(tulip_softc_t * const sc); 204int tulip_ifmedia_change(struct ifnet * const ifp); 205void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req); 206void tulip_addr_filter(tulip_softc_t * const sc); 207void tulip_reset(tulip_softc_t * const sc); 208void tulip_init(tulip_softc_t * const sc); 209void tulip_rx_intr(tulip_softc_t * const sc); 210int tulip_tx_intr(tulip_softc_t * const sc); 211void tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr); 212void tulip_intr_handler(tulip_softc_t * const sc, int *progress_p); 213int tulip_intr_shared(void *arg); 214int tulip_intr_normal(void *arg); 215struct mbuf *tulip_mbuf_compress(struct mbuf *m); 216struct mbuf *tulip_txput(tulip_softc_t * const sc, struct mbuf *m); 217void tulip_txput_setup(tulip_softc_t * const sc); 218int tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data); 219void tulip_ifstart(struct ifnet *ifp); 220void tulip_ifstart_one(struct ifnet *ifp); 221void tulip_ifwatchdog(struct ifnet *ifp); 222int tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 223 bus_dmamap_t *map_p, tulip_desc_t **desc_p); 224int tulip_busdma_init(tulip_softc_t * const sc); 225void tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size); 226void tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 227 tulip_desc_t *descs, int ndescs); 228void tulip_shutdown(void *arg); 229 230bus_dmamap_t tulip_alloc_rxmap(tulip_softc_t *); 231void tulip_free_rxmap(tulip_softc_t *, bus_dmamap_t); 232bus_dmamap_t tulip_alloc_txmap(tulip_softc_t *); 233void tulip_free_txmap(tulip_softc_t *, bus_dmamap_t); 234 235void 236tulip_timeout_callback(void *arg) 237{ 238 tulip_softc_t * const sc = arg; 239 int s; 240 241 s = splnet(); 242 243 TULIP_PERFSTART(timeout) 244 245 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING; 246 sc->tulip_probe_timeout -= 1000 / TULIP_HZ; 247 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER); 248 249 TULIP_PERFEND(timeout); 250 splx(s); 251} 252 253void 254tulip_timeout(tulip_softc_t * const sc) 255{ 256 if (sc->tulip_flags & TULIP_TIMEOUTPENDING) 257 return; 258 sc->tulip_flags |= TULIP_TIMEOUTPENDING; 259 timeout_add(&sc->tulip_stmo, (hz + TULIP_HZ / 2) / TULIP_HZ); 260} 261 262int 263tulip_txprobe(tulip_softc_t * const sc) 264{ 265 struct mbuf *m; 266 267 /* 268 * Before we are sure this is the right media we need 269 * to send a small packet to make sure there's carrier. 270 * Strangely, BNC and AUI will "see" receive data if 271 * either is connected so the transmit is the only way 272 * to verify the connectivity. 273 */ 274 MGETHDR(m, M_DONTWAIT, MT_DATA); 275 if (m == NULL) 276 return (0); 277 /* 278 * Construct a LLC TEST message which will point to ourselves. 279 */ 280 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 281 ETHER_ADDR_LEN); 282 bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 283 ETHER_ADDR_LEN); 284 mtod(m, struct ether_header *)->ether_type = htons(3); 285 mtod(m, unsigned char *)[14] = 0; 286 mtod(m, unsigned char *)[15] = 0; 287 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */ 288 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3; 289 /* 290 * send it! 291 */ 292 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 293 sc->tulip_intrmask |= TULIP_STS_TXINTR; 294 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE; 295 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 296 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 297 if ((m = tulip_txput(sc, m)) != NULL) 298 m_freem(m); 299 sc->tulip_probe.probe_txprobes++; 300 return (1); 301} 302 303void 304tulip_media_set(tulip_softc_t * const sc, tulip_media_t media) 305{ 306 const tulip_media_info_t *mi = sc->tulip_mediums[media]; 307 308 if (mi == NULL) 309 return; 310 311 /* Reset the SIA first 312 */ 313 if (mi->mi_type == TULIP_MEDIAINFO_SIA || (sc->tulip_features & TULIP_HAVE_SIANWAY)) 314 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 315 316 /* Next, set full duplex if needed. 317 */ 318 if (sc->tulip_flags & TULIP_FULLDUPLEX) { 319#ifdef TULIP_DEBUG 320 if (TULIP_CSR_READ(sc, csr_command) & (TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)) 321 printf(TULIP_PRINTF_FMT ": warning: board is running (FD).\n", TULIP_PRINTF_ARGS); 322 if ((TULIP_CSR_READ(sc, csr_command) & TULIP_CMD_FULLDUPLEX) == 0) 323 printf(TULIP_PRINTF_FMT ": setting full duplex.\n", TULIP_PRINTF_ARGS); 324 TULIP_PRINTF_ARGS); 325#endif 326 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 327 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~(TULIP_CMD_RXRUN|TULIP_CMD_TXRUN)); 328 } 329 330 /* Now setup the media. 331 * 332 * If we are switching media, make sure we don't think there's 333 * any stale RX activity 334 */ 335 sc->tulip_flags &= ~TULIP_RXACT; 336 if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 337 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx); 338 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 339 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 340 DELAY(50); 341 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 342 } else 343 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG); 344 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity); 345 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 346 /* 347 * If the cmdmode bits don't match the currently operating mode, 348 * set the cmdmode appropriately and reset the chip. 349 */ 350 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 351 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 352 sc->tulip_cmdmode |= mi->mi_cmdmode; 353 tulip_reset(sc); 354 } 355 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 356 DELAY(10); 357 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata); 358 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) { 359 /* 360 * If the cmdmode bits don't match the currently operating mode, 361 * set the cmdmode appropriately and reset the chip. 362 */ 363 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) { 364 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 365 sc->tulip_cmdmode |= mi->mi_cmdmode; 366 tulip_reset(sc); 367 } 368 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol); 369 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata); 370 } else if (mi->mi_type == TULIP_MEDIAINFO_MII 371 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) { 372 int idx; 373 if (sc->tulip_features & TULIP_HAVE_SIAGP) { 374 const u_int8_t *dp; 375 dp = &sc->tulip_rombuf[mi->mi_reset_offset]; 376 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) { 377 DELAY(10); 378 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 379 } 380 sc->tulip_phyaddr = mi->mi_phyaddr; 381 dp = &sc->tulip_rombuf[mi->mi_gpr_offset]; 382 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) { 383 DELAY(10); 384 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16); 385 } 386 } else { 387 for (idx = 0; idx < mi->mi_reset_length; idx++) { 388 DELAY(10); 389 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]); 390 } 391 sc->tulip_phyaddr = mi->mi_phyaddr; 392 for (idx = 0; idx < mi->mi_gpr_length; idx++) { 393 DELAY(10); 394 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]); 395 } 396 } 397 398 if (sc->tulip_features & TULIP_HAVE_SIANWAY) { 399 /* Set the SIA port into MII mode */ 400 TULIP_CSR_WRITE(sc, csr_sia_general, 1); 401 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, 0); 402 TULIP_CSR_WRITE(sc, csr_sia_status, 0); 403 } 404 405 if (sc->tulip_flags & TULIP_TRYNWAY) 406 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 407 else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) { 408 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL); 409 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE); 410 sc->tulip_flags &= ~TULIP_DIDNWAY; 411 if (TULIP_IS_MEDIA_FD(media)) 412 data |= PHYCTL_FULL_DUPLEX; 413 if (TULIP_IS_MEDIA_100MB(media)) 414 data |= PHYCTL_SELECT_100MB; 415 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data); 416 } 417 } 418} 419 420void 421tulip_linkup(tulip_softc_t * const sc, tulip_media_t media) 422{ 423 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 424 sc->tulip_flags |= TULIP_PRINTLINKUP; 425 sc->tulip_flags |= TULIP_LINKUP; 426 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 427 if (sc->tulip_media != media) { 428#ifdef TULIP_DEBUG 429 sc->tulip_dbg.dbg_last_media = sc->tulip_media; 430#endif 431 sc->tulip_media = media; 432 sc->tulip_flags |= TULIP_PRINTMEDIA; 433 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) 434 sc->tulip_flags |= TULIP_FULLDUPLEX; 435 else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) 436 sc->tulip_flags &= ~TULIP_FULLDUPLEX; 437 } 438 /* 439 * We could set probe_timeout to 0 but setting to 3000 puts this 440 * in one central place and the only matters is tulip_link is 441 * followed by a tulip_timeout. Therefore setting it should not 442 * result in aberrant behavour. 443 */ 444 sc->tulip_probe_timeout = 3000; 445 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 446 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY); 447 if (sc->tulip_flags & TULIP_INRESET) 448 tulip_media_set(sc, sc->tulip_media); 449 else if (sc->tulip_probe_media != sc->tulip_media) { 450 /* 451 * No reason to change media if we have the right media. 452 */ 453 tulip_reset(sc); 454 } 455 tulip_init(sc); 456} 457 458void 459tulip_media_print(tulip_softc_t * const sc) 460{ 461 if ((sc->tulip_flags & TULIP_LINKUP) == 0) 462 return; 463 if (sc->tulip_flags & TULIP_PRINTMEDIA) { 464#ifdef TULIP_DEBUG 465 printf(TULIP_PRINTF_FMT ": enabling %s port\n", 466 TULIP_PRINTF_ARGS, 467 tulip_mediums[sc->tulip_media]); 468#endif 469 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 470 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) { 471#ifdef TULIP_DEBUG 472 printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS); 473#endif 474 sc->tulip_flags &= ~TULIP_PRINTLINKUP; 475 } 476} 477 478tulip_link_status_t 479tulip_media_link_monitor(tulip_softc_t * const sc) 480{ 481 const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media]; 482 tulip_link_status_t linkup = TULIP_LINK_DOWN; 483 484 if (mi == NULL) { 485#if defined(TULIP_DEBUG) 486 printf("tulip_media_link_monitor: %s: botch at line %d\n", 487 tulip_mediums[sc->tulip_media],__LINE__); 488#endif 489 return (TULIP_LINK_UNKNOWN); 490 } 491 492 493 /* 494 * Have we seen some packets? If so, the link must be good. 495 */ 496 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) { 497 sc->tulip_flags &= ~TULIP_RXACT; 498 sc->tulip_probe_timeout = 3000; 499 return (TULIP_LINK_UP); 500 } 501 502 sc->tulip_flags &= ~TULIP_RXACT; 503 if (mi->mi_type == TULIP_MEDIAINFO_MII) { 504 u_int32_t status; 505 /* 506 * Read the PHY status register. 507 */ 508 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 509 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 510 if (status & PHYSTS_AUTONEG_DONE) { 511 /* 512 * If the PHY has completed autonegotiation, see the if the 513 * remote systems abilities have changed. If so, upgrade or 514 * downgrade as appropriate. 515 */ 516 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES); 517 abilities = (abilities << 6) & status; 518 if (abilities != sc->tulip_abilities) { 519#if defined(TULIP_DEBUG) 520 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n", 521 TULIP_PRINTF_ARGS, sc->tulip_phyaddr, 522 sc->tulip_abilities, abilities); 523#endif 524 if (tulip_mii_map_abilities(sc, abilities)) { 525 tulip_linkup(sc, sc->tulip_probe_media); 526 return (TULIP_LINK_UP); 527 } 528 /* 529 * if we had selected media because of autonegotiation, 530 * we need to probe for the new media. 531 */ 532 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 533 if (sc->tulip_flags & TULIP_DIDNWAY) 534 return (TULIP_LINK_DOWN); 535 } 536 } 537 /* 538 * The link is now up. If was down, say its back up. 539 */ 540 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP) 541 linkup = TULIP_LINK_UP; 542 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) { 543 /* 544 * No activity sensor? Assume all's well. 545 */ 546 if (mi->mi_actmask == 0) 547 return (TULIP_LINK_UNKNOWN); 548 /* 549 * Does the activity data match? 550 */ 551 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata) 552 linkup = TULIP_LINK_UP; 553 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) { 554 /* 555 * Assume non TP ok for now. 556 */ 557 if (!TULIP_IS_MEDIA_TP(sc->tulip_media)) 558 return (TULIP_LINK_UNKNOWN); 559 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0) 560 linkup = TULIP_LINK_UP; 561#if defined(TULIP_DEBUG) 562 if (sc->tulip_probe_timeout <= 0) 563 printf(TULIP_PRINTF_FMT ": sia status = 0x%08x\n", TULIP_PRINTF_ARGS, TULIP_CSR_READ(sc, csr_sia_status)); 564#endif 565 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) 566 return (TULIP_LINK_UNKNOWN); 567 /* 568 * We will wait for 3 seconds until the link goes into suspect mode. 569 */ 570 if (sc->tulip_flags & TULIP_LINKUP) { 571 if (linkup == TULIP_LINK_UP) 572 sc->tulip_probe_timeout = 3000; 573 if (sc->tulip_probe_timeout > 0) 574 return (TULIP_LINK_UP); 575 576 sc->tulip_flags &= ~TULIP_LINKUP; 577 } 578#if defined(TULIP_DEBUG) 579 sc->tulip_dbg.dbg_link_downed++; 580#endif 581 return (TULIP_LINK_DOWN); 582} 583 584void 585tulip_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 586{ 587#if defined(TULIP_DEBUG) 588 sc->tulip_dbg.dbg_events[event]++; 589#endif 590 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE 591 && event == TULIP_MEDIAPOLL_TIMER) { 592 switch (tulip_media_link_monitor(sc)) { 593 case TULIP_LINK_DOWN: { 594 /* 595 * Link Monitor failed. Probe for new media. 596 */ 597 event = TULIP_MEDIAPOLL_LINKFAIL; 598 break; 599 } 600 case TULIP_LINK_UP: { 601 /* 602 * Check again soon. 603 */ 604 tulip_timeout(sc); 605 return; 606 } 607 case TULIP_LINK_UNKNOWN: { 608 /* 609 * We can't tell so don't bother. 610 */ 611 return; 612 } 613 } 614 } 615 616 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 617 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) { 618 if (TULIP_DO_AUTOSENSE(sc)) { 619#if defined(TULIP_DEBUG) 620 sc->tulip_dbg.dbg_link_failures++; 621#endif 622 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 623 if (sc->tulip_if.if_flags & IFF_UP) 624 tulip_reset(sc); /* restart probe */ 625 } 626 return; 627 } 628#if defined(TULIP_DEBUG) 629 sc->tulip_dbg.dbg_link_pollintrs++; 630#endif 631 } 632 633 if (event == TULIP_MEDIAPOLL_START) { 634 sc->tulip_if.if_flags |= IFF_OACTIVE; 635 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE) 636 return; 637 sc->tulip_probe_mediamask = 0; 638 sc->tulip_probe_passes = 0; 639#if defined(TULIP_DEBUG) 640 sc->tulip_dbg.dbg_media_probes++; 641#endif 642 /* 643 * If the SROM contained an explicit media to use, use it. 644 */ 645 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX); 646 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS; 647 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP); 648 /* 649 * connidx is defaulted to a media_unknown type. 650 */ 651 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media; 652 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) { 653 tulip_linkup(sc, sc->tulip_probe_media); 654 tulip_timeout(sc); 655 return; 656 } 657 658 if (sc->tulip_features & TULIP_HAVE_GPR) { 659 sc->tulip_probe_state = TULIP_PROBE_GPRTEST; 660 sc->tulip_probe_timeout = 2000; 661 } else { 662 sc->tulip_probe_media = TULIP_MEDIA_MAX; 663 sc->tulip_probe_timeout = 0; 664 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 665 } 666 } 667 668 /* 669 * Ignore txprobe failures or spurious callbacks. 670 */ 671 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED 672 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) { 673 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 674 return; 675 } 676 677 /* 678 * If we really transmitted a packet, then that's the media we'll use. 679 */ 680 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) { 681 if (event == TULIP_MEDIAPOLL_LINKPASS) { 682 /* XXX Check media status just to be sure */ 683 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 684#if defined(TULIP_DEBUG) 685 } else { 686 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 687#endif 688 } 689 tulip_linkup(sc, sc->tulip_probe_media); 690 tulip_timeout(sc); 691 return; 692 } 693 694 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) { 695 /* 696 * Brute force. We cycle through each of the media types 697 * and try to transmit a packet. 698 */ 699 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 700 sc->tulip_probe_media = TULIP_MEDIA_MAX; 701 sc->tulip_probe_timeout = 0; 702 tulip_timeout(sc); 703 return; 704 } 705 706 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST 707 && (sc->tulip_features & TULIP_HAVE_MII)) { 708 tulip_media_t old_media = sc->tulip_probe_media; 709 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr); 710 switch (sc->tulip_probe_state) { 711 case TULIP_PROBE_FAILED: 712 case TULIP_PROBE_MEDIATEST: { 713 /* 714 * Try the next media. 715 */ 716 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask; 717 sc->tulip_probe_timeout = 0; 718 break; 719 } 720 case TULIP_PROBE_PHYAUTONEG: { 721 return; 722 } 723 case TULIP_PROBE_INACTIVE: { 724 /* 725 * Only probe if we autonegotiated a media that hasn't failed. 726 */ 727 sc->tulip_probe_timeout = 0; 728 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) { 729 sc->tulip_probe_media = old_media; 730 break; 731 } 732 tulip_linkup(sc, sc->tulip_probe_media); 733 tulip_timeout(sc); 734 return; 735 } 736 default: { 737#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG) 738 printf("tulip_media_poll: botch at line %d\n", __LINE__); 739#endif 740 break; 741 } 742 } 743 } 744 745 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) { 746#if defined(TULIP_DEBUG) 747 sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++; 748#endif 749 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 750 return; 751 } 752 753 /* 754 * Switch to another media if we tried this one enough. 755 */ 756 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) { 757#if defined(TULIP_DEBUG) 758 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 759 printf(TULIP_PRINTF_FMT ": poll media unknown!\n", 760 TULIP_PRINTF_ARGS); 761 sc->tulip_probe_media = TULIP_MEDIA_MAX; 762 } 763#endif 764 /* 765 * Find the next media type to check for. Full Duplex 766 * types are not allowed. 767 */ 768 do { 769 sc->tulip_probe_media -= 1; 770 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) { 771 if (++sc->tulip_probe_passes == 3) { 772 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 773 sc->tulip_if.if_flags &= ~IFF_RUNNING; 774 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 775 return; 776 } 777 } 778 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */ 779 sc->tulip_probe_mediamask = 0; 780 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1; 781 } 782 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL 783 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) 784 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media)); 785 786#if defined(TULIP_DEBUG) 787 printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS, 788 event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout", 789 tulip_mediums[sc->tulip_probe_media]); 790#endif 791 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000; 792 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 793 sc->tulip_probe.probe_txprobes = 0; 794 tulip_reset(sc); 795 tulip_media_set(sc, sc->tulip_probe_media); 796 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 797 } 798 tulip_timeout(sc); 799 800 /* 801 * If this is hanging off a phy, we know are doing NWAY and we have 802 * forced the phy to a specific speed. Wait for link up before 803 * before sending a packet. 804 */ 805 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) { 806 case TULIP_MEDIAINFO_MII: { 807 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc)) 808 return; 809 break; 810 } 811 case TULIP_MEDIAINFO_SIA: { 812 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) { 813 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) 814 return; 815 tulip_linkup(sc, sc->tulip_probe_media); 816 return; 817 } 818 break; 819 } 820 case TULIP_MEDIAINFO_RESET: 821 case TULIP_MEDIAINFO_SYM: 822 case TULIP_MEDIAINFO_NONE: 823 case TULIP_MEDIAINFO_GPR: { 824 break; 825 } 826 } 827 /* 828 * Try to send a packet. 829 */ 830 tulip_txprobe(sc); 831} 832 833void 834tulip_media_select(tulip_softc_t * const sc) 835{ 836 if (sc->tulip_features & TULIP_HAVE_GPR) { 837 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit); 838 DELAY(10); 839 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata); 840 } 841 /* 842 * If this board has no media, just return 843 */ 844 if (sc->tulip_features & TULIP_HAVE_NOMEDIA) 845 return; 846 847 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 848 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 849 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START); 850 } else 851 tulip_media_set(sc, sc->tulip_media); 852} 853 854void 855tulip_21040_mediainfo_init(tulip_softc_t * const sc, tulip_media_t media) 856{ 857 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160 858 |TULIP_CMD_BACKOFFCTR; 859 sc->tulip_if.if_baudrate = 10000000; 860 861 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) { 862 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET); 863 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD); 864 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 865 } 866 867 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) 868 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC); 869 870 if (media == TULIP_MEDIA_UNKNOWN) 871 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA); 872} 873 874void 875tulip_21040_media_probe(tulip_softc_t * const sc) 876{ 877 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN); 878} 879 880void 881tulip_21040_10baset_only_media_probe(tulip_softc_t * const sc) 882{ 883 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET); 884 tulip_media_set(sc, TULIP_MEDIA_10BASET); 885 sc->tulip_media = TULIP_MEDIA_10BASET; 886} 887 888void 889tulip_21040_10baset_only_media_select(tulip_softc_t * const sc) 890{ 891 sc->tulip_flags |= TULIP_LINKUP; 892 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) { 893 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX; 894 sc->tulip_flags &= ~TULIP_SQETEST; 895 } else { 896 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 897 sc->tulip_flags |= TULIP_SQETEST; 898 } 899 tulip_media_set(sc, sc->tulip_media); 900} 901 902void 903tulip_21040_auibnc_only_media_probe(tulip_softc_t * const sc) 904{ 905 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC); 906 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP; 907 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 908 sc->tulip_media = TULIP_MEDIA_AUIBNC; 909} 910 911void 912tulip_21040_auibnc_only_media_select(tulip_softc_t * const sc) 913{ 914 tulip_media_set(sc, TULIP_MEDIA_AUIBNC); 915 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX; 916} 917 918static const tulip_boardsw_t tulip_21040_boardsw = { 919 TULIP_21040_GENERIC, 920 tulip_21040_media_probe, 921 tulip_media_select, 922 tulip_media_poll, 923}; 924 925static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = { 926 TULIP_21040_GENERIC, 927 tulip_21040_10baset_only_media_probe, 928 tulip_21040_10baset_only_media_select, 929 NULL, 930}; 931 932static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = { 933 TULIP_21040_GENERIC, 934 tulip_21040_auibnc_only_media_probe, 935 tulip_21040_auibnc_only_media_select, 936 NULL, 937}; 938 939void 940tulip_21041_mediainfo_init(tulip_softc_t * const sc) 941{ 942 tulip_media_info_t * const mi = sc->tulip_mediainfo; 943 944 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET); 945 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD); 946 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI); 947 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC); 948} 949 950void 951tulip_21041_media_probe(tulip_softc_t * const sc) 952{ 953 sc->tulip_if.if_baudrate = 10000000; 954 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT 955 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR; 956 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 957 tulip_21041_mediainfo_init(sc); 958} 959 960void 961tulip_21041_media_poll(tulip_softc_t * const sc, const tulip_mediapoll_event_t event) 962{ 963 u_int32_t sia_status; 964 965#if defined(TULIP_DEBUG) 966 sc->tulip_dbg.dbg_events[event]++; 967#endif 968 969 if (event == TULIP_MEDIAPOLL_LINKFAIL) { 970 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE 971 || !TULIP_DO_AUTOSENSE(sc)) 972 return; 973 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 974 tulip_reset(sc); /* start probe */ 975 return; 976 } 977 978 /* 979 * If we've been been asked to start a poll or link change interrupt 980 * restart the probe (and reset the tulip to a known state). 981 */ 982 if (event == TULIP_MEDIAPOLL_START) { 983 sc->tulip_if.if_flags |= IFF_OACTIVE; 984 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN); 985 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 986 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 987 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 988 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT; 989 tulip_media_set(sc, TULIP_MEDIA_10BASET); 990 tulip_timeout(sc); 991 return; 992 } 993 994 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 995 return; 996 997 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) { 998#if defined(TULIP_DEBUG) 999 sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++; 1000#endif 1001 tulip_linkup(sc, sc->tulip_probe_media); 1002 return; 1003 } 1004 1005 sia_status = TULIP_CSR_READ(sc, csr_sia_status); 1006 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status); 1007 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) { 1008 if (sc->tulip_revinfo >= 0x20) { 1009 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6))) 1010 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1011 } 1012 /* 1013 * If the link has passed LinkPass, 10baseT is the 1014 * proper media to use. 1015 */ 1016 tulip_linkup(sc, sc->tulip_probe_media); 1017 return; 1018 } 1019 1020 /* 1021 * wait for up to 2.4 seconds for the link to reach pass state. 1022 * Only then start scanning the other media for activity. 1023 * choose media with receive activity over those without. 1024 */ 1025 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) { 1026 if (event != TULIP_MEDIAPOLL_TIMER) 1027 return; 1028 if (sc->tulip_probe_timeout > 0 1029 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) { 1030 tulip_timeout(sc); 1031 return; 1032 } 1033 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1034 sc->tulip_flags |= TULIP_WANTRXACT; 1035 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) 1036 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1037 else 1038 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1039 tulip_media_set(sc, sc->tulip_probe_media); 1040 tulip_timeout(sc); 1041 return; 1042 } 1043 1044 /* 1045 * If we failed, clear the txprobe active flag. 1046 */ 1047 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) 1048 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1049 1050 1051 if (event == TULIP_MEDIAPOLL_TIMER) { 1052 /* 1053 * If we've received something, then that's our link! 1054 */ 1055 if (sc->tulip_flags & TULIP_RXACT) { 1056 tulip_linkup(sc, sc->tulip_probe_media); 1057 return; 1058 } 1059 /* 1060 * if no txprobe active 1061 */ 1062 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0 1063 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0 1064 || (sia_status & TULIP_SIASTS_RXACTIVITY))) { 1065 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1066 tulip_txprobe(sc); 1067 tulip_timeout(sc); 1068 return; 1069 } 1070 /* 1071 * Take 2 passes through before deciding to not 1072 * wait for receive activity. Then take another 1073 * two passes before spitting out a warning. 1074 */ 1075 if (sc->tulip_probe_timeout <= 0) { 1076 if (sc->tulip_flags & TULIP_WANTRXACT) { 1077 sc->tulip_flags &= ~TULIP_WANTRXACT; 1078 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1079 } else { 1080 if ((sc->tulip_if.if_flags & IFF_UP) == 0) { 1081 sc->tulip_if.if_flags &= ~IFF_RUNNING; 1082 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1083 return; 1084 } 1085 } 1086 } 1087 } 1088 1089 /* 1090 * Since this media failed to probe, try the other one. 1091 */ 1092 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT; 1093 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) 1094 sc->tulip_probe_media = TULIP_MEDIA_BNC; 1095 else 1096 sc->tulip_probe_media = TULIP_MEDIA_AUI; 1097 tulip_media_set(sc, sc->tulip_probe_media); 1098 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1099 tulip_timeout(sc); 1100} 1101 1102static const tulip_boardsw_t tulip_21041_boardsw = { 1103 TULIP_21041_GENERIC, 1104 tulip_21041_media_probe, 1105 tulip_media_select, 1106 tulip_21041_media_poll 1107}; 1108 1109static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = { 1110 { 0x20005c00, 0, /* 08-00-17 */ 1111 { 1112 { 0x19, 0x0040, 0x0040 }, /* 10TX */ 1113 { 0x19, 0x0040, 0x0000 }, /* 100TX */ 1114 }, 1115#if defined(TULIP_DEBUG) 1116 "NS DP83840", 1117#endif 1118 }, 1119 { 0x0281F400, 0, /* 00-A0-7D */ 1120 { 1121 { 0x12, 0x0010, 0x0000 }, /* 10T */ 1122 { 0 }, /* 100TX */ 1123 { 0x12, 0x0010, 0x0010 }, /* 100T4 */ 1124 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */ 1125 }, 1126#if defined(TULIP_DEBUG) 1127 "Seeq 80C240" 1128#endif 1129 }, 1130 { 0x0281F400, 3, /* 00-A0-7D */ 1131 { 1132 { 0x12, 0x0080, 0x0000 }, /* 10T */ 1133 { 0x12, 0x0080, 0x0080 }, /* 100TX */ 1134 { 0 }, /* 100T4 */ 1135 { 0x12, 0x0040, 0x0040 }, /* FULL_DUPLEX */ 1136 }, 1137#if defined(TULIP_DEBUG) 1138 "Seeq 80225" 1139#endif 1140 }, 1141 { 0x0281F400, 0, /* 00-A0-BE */ 1142 { 1143 { 0x11, 0x8000, 0x0000 }, /* 10T */ 1144 { 0x11, 0x8000, 0x8000 }, /* 100TX */ 1145 { 0 }, /* 100T4 */ 1146 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */ 1147 }, 1148#if defined(TULIP_DEBUG) 1149 "ICS 1890" 1150#endif 1151 }, 1152 { 0x78100000, 0, /* 00-A0-CC */ 1153 { 1154 { 0x14, 0x0800, 0x0000 }, /* 10TX */ 1155 { 0x14, 0x0800, 0x0800 }, /* 100TX */ 1156 { 0 }, /* 100T4 */ 1157 { 0x14, 0x1000, 0x1000 }, /* FULL_DUPLEX */ 1158 }, 1159#if defined(TULIP_DEBUG) 1160 "LEVEL1 LXT970" 1161#endif 1162 }, 1163 { 0 } 1164}; 1165 1166tulip_media_t 1167tulip_mii_phy_readspecific(tulip_softc_t * const sc) 1168{ 1169 const tulip_phy_attr_t *attr; 1170 u_int16_t data; 1171 u_int32_t id; 1172 unsigned idx = 0; 1173 static const tulip_media_t table[] = { 1174 TULIP_MEDIA_UNKNOWN, 1175 TULIP_MEDIA_10BASET, 1176 TULIP_MEDIA_100BASETX, 1177 TULIP_MEDIA_100BASET4, 1178 TULIP_MEDIA_UNKNOWN, 1179 TULIP_MEDIA_10BASET_FD, 1180 TULIP_MEDIA_100BASETX_FD, 1181 TULIP_MEDIA_UNKNOWN 1182 }; 1183 1184 /* 1185 * Don't read phy specific registers if link is not up. 1186 */ 1187 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS) 1188 | tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS); 1189 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) 1190 return (TULIP_MEDIA_UNKNOWN); 1191 1192 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) | 1193 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH); 1194 for (attr = tulip_mii_phy_attrlist;; attr++) { 1195 if (attr->attr_id == 0) 1196 return (TULIP_MEDIA_UNKNOWN); 1197 if ((id & ~0x0F) == attr->attr_id) 1198 break; 1199 } 1200 1201 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) { 1202 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX]; 1203 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1204 if ((data & pm->pm_mask) == pm->pm_value) 1205 idx = 2; 1206 } 1207 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) { 1208 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4]; 1209 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1210 if ((data & pm->pm_mask) == pm->pm_value) 1211 idx = 3; 1212 } 1213 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) { 1214 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T]; 1215 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1216 if ((data & pm->pm_mask) == pm->pm_value) 1217 idx = 1; 1218 } 1219 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) { 1220 const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX]; 1221 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno); 1222 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0); 1223 } 1224 return (table[idx]); 1225} 1226 1227unsigned 1228tulip_mii_get_phyaddr(tulip_softc_t * const sc, unsigned offset) 1229{ 1230 unsigned phyaddr; 1231 1232 for (phyaddr = 1; phyaddr < 32; phyaddr++) { 1233 unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1234 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1235 continue; 1236 if (offset == 0) 1237 return (phyaddr); 1238 offset--; 1239 } 1240 if (offset == 0) { 1241 unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS); 1242 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET) 1243 return (TULIP_MII_NOPHY); 1244 return (0); 1245 } 1246 return (TULIP_MII_NOPHY); 1247} 1248 1249int 1250tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities) 1251{ 1252 sc->tulip_abilities = abilities; 1253 if (abilities & PHYSTS_100BASETX_FD) 1254 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD; 1255 else if (abilities & PHYSTS_100BASET4) 1256 sc->tulip_probe_media = TULIP_MEDIA_100BASET4; 1257 else if (abilities & PHYSTS_100BASETX) 1258 sc->tulip_probe_media = TULIP_MEDIA_100BASETX; 1259 else if (abilities & PHYSTS_10BASET_FD) 1260 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD; 1261 else if (abilities & PHYSTS_10BASET) 1262 sc->tulip_probe_media = TULIP_MEDIA_10BASET; 1263 else { 1264 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1265 return (0); 1266 } 1267 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 1268 return (1); 1269} 1270 1271void 1272tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr) 1273{ 1274 switch (sc->tulip_probe_state) { 1275 case TULIP_PROBE_MEDIATEST: 1276 case TULIP_PROBE_INACTIVE: { 1277 sc->tulip_flags |= TULIP_DIDNWAY; 1278 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET); 1279 sc->tulip_probe_timeout = 3000; 1280 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR; 1281 sc->tulip_probe_state = TULIP_PROBE_PHYRESET; 1282 /* FALLTHROUGH */ 1283 } 1284 case TULIP_PROBE_PHYRESET: { 1285 u_int32_t status; 1286 u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1287 if (data & PHYCTL_RESET) { 1288 if (sc->tulip_probe_timeout > 0) { 1289 tulip_timeout(sc); 1290 return; 1291 } 1292#ifdef TULIP_DEBUG 1293 printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n", 1294 TULIP_PRINTF_ARGS, phyaddr); 1295#endif 1296 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE; 1297 sc->tulip_probe_state = TULIP_PROBE_FAILED; 1298 sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING); 1299 return; 1300 } 1301 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1302 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1303 if ((status & PHYSTS_CAN_AUTONEG) == 0) { 1304#if defined(TULIP_DEBUG) 1305 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n", 1306 TULIP_PRINTF_ARGS, phyaddr); 1307#endif 1308 sc->tulip_flags &= ~TULIP_DIDNWAY; 1309 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1310 return; 1311 } 1312 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01)) 1313 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01); 1314 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE); 1315 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL); 1316#if defined(TULIP_DEBUG) 1317 if ((data & PHYCTL_AUTONEG_ENABLE) == 0) 1318 printf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n", 1319 TULIP_PRINTF_ARGS, phyaddr, data); 1320 else 1321 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x (ad=0x%04x)\n", 1322 TULIP_PRINTF_ARGS, phyaddr, data, 1323 tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT)); 1324 sc->tulip_dbg.dbg_nway_starts++; 1325#endif 1326 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG; 1327 sc->tulip_probe_timeout = 3000; 1328 /* FALLTHROUGH */ 1329 } 1330 case TULIP_PROBE_PHYAUTONEG: { 1331 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS) 1332 | tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS); 1333 u_int32_t data; 1334 if ((status & PHYSTS_AUTONEG_DONE) == 0) { 1335 if (sc->tulip_probe_timeout > 0) { 1336 tulip_timeout(sc); 1337 return; 1338 } 1339#if defined(TULIP_DEBUG) 1340 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n", 1341 TULIP_PRINTF_ARGS, phyaddr, status, 1342 tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL)); 1343#endif 1344 sc->tulip_flags &= ~TULIP_DIDNWAY; 1345 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST; 1346 return; 1347 } 1348 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES) 1349 | tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES); 1350#if defined(TULIP_DEBUG) 1351 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x (sts=0x%04x)\n", 1352 TULIP_PRINTF_ARGS, phyaddr, data, status); 1353#endif 1354 data = (data << 6) & status; 1355 if (!tulip_mii_map_abilities(sc, data)) 1356 sc->tulip_flags &= ~TULIP_DIDNWAY; 1357 return; 1358 } 1359 default: { 1360#if defined(DIAGNOSTIC) 1361 printf("tulip_media_poll: botch at line %d\n", __LINE__); 1362#endif 1363 break; 1364 } 1365 } 1366#if defined(TULIP_DEBUG) 1367 printf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n", 1368 TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state); 1369 sc->tulip_dbg.dbg_nway_failures++; 1370#endif 1371} 1372 1373void 1374tulip_2114x_media_preset(tulip_softc_t * const sc) 1375{ 1376 const tulip_media_info_t *mi = NULL; 1377 tulip_media_t media = sc->tulip_media; 1378 1379 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) 1380 media = sc->tulip_media; 1381 else 1382 media = sc->tulip_probe_media; 1383 1384 sc->tulip_cmdmode &= ~(TULIP_CMD_PORTSELECT|TULIP_CMD_NOHEARTBEAT 1385 |TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL); 1386 sc->tulip_flags &= ~(TULIP_SQETEST|TULIP_FULLDUPLEX); 1387 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) { 1388#if defined(TULIP_DEBUG) 1389 if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) { 1390#endif 1391 mi = sc->tulip_mediums[media]; 1392 if (mi->mi_type == TULIP_MEDIAINFO_MII) 1393 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1394 else if (mi->mi_type == TULIP_MEDIAINFO_GPR 1395 || mi->mi_type == TULIP_MEDIAINFO_SYM) { 1396 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS; 1397 sc->tulip_cmdmode |= mi->mi_cmdmode; 1398 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) 1399 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET); 1400#if defined(TULIP_DEBUG) 1401 } else { 1402 printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n", 1403 TULIP_PRINTF_ARGS, media); 1404 } 1405#endif 1406 } 1407 switch (media) { 1408 case TULIP_MEDIA_BNC: 1409 case TULIP_MEDIA_AUI: 1410 case TULIP_MEDIA_10BASET: { 1411 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL; 1412 sc->tulip_if.if_baudrate = 10000000; 1413 sc->tulip_flags |= TULIP_SQETEST; 1414 break; 1415 } 1416 case TULIP_MEDIA_10BASET_FD: { 1417 sc->tulip_flags |= TULIP_FULLDUPLEX; 1418 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX; 1419 sc->tulip_if.if_baudrate = 10000000; 1420 break; 1421 } 1422 case TULIP_MEDIA_100BASEFX: 1423 case TULIP_MEDIA_100BASET4: 1424 case TULIP_MEDIA_100BASETX: { 1425 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT; 1426 sc->tulip_if.if_baudrate = 100000000; 1427 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1428 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1429 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1430 } 1431 break; 1432 } 1433 case TULIP_MEDIA_100BASEFX_FD: 1434 case TULIP_MEDIA_100BASETX_FD: { 1435 sc->tulip_flags |= TULIP_FULLDUPLEX; 1436 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT|TULIP_CMD_FULLDUPLEX; 1437 sc->tulip_if.if_baudrate = 100000000; 1438 if (mi->mi_type == TULIP_MEDIAINFO_SYM 1439 || mi->mi_type == TULIP_MEDIAINFO_MII) { 1440 sc->tulip_cmdmode |= TULIP_CMD_NOHEARTBEAT; 1441 } 1442 break; 1443 } 1444 default: { 1445 break; 1446 } 1447 } 1448 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 1449} 1450 1451/* 1452 ******************************************************************** 1453 * Start of 21140/21140A support which does not use the MII interface 1454 */ 1455 1456void 1457tulip_null_media_poll(tulip_softc_t * const sc, tulip_mediapoll_event_t event) 1458{ 1459#if defined(TULIP_DEBUG) 1460 sc->tulip_dbg.dbg_events[event]++; 1461#endif 1462#if defined(DIAGNOSTIC) 1463 printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n", 1464 TULIP_PRINTF_ARGS, __LINE__); 1465#endif 1466} 1467 1468void 1469tulip_21140_mediainit(tulip_softc_t * const sc, tulip_media_info_t * const mip, 1470 tulip_media_t const media, unsigned gpdata, unsigned cmdmode) 1471{ 1472 sc->tulip_mediums[media] = mip; 1473 mip->mi_type = TULIP_MEDIAINFO_GPR; 1474 mip->mi_cmdmode = cmdmode; 1475 mip->mi_gpdata = gpdata; 1476} 1477 1478void 1479tulip_21140_evalboard_media_probe(tulip_softc_t * const sc) 1480{ 1481 tulip_media_info_t *mip = sc->tulip_mediainfo; 1482 1483 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1484 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1485 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1486 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1487 TULIP_CSR_WRITE(sc, csr_command, 1488 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1489 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1490 TULIP_CSR_WRITE(sc, csr_command, 1491 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1492 DELAY(1000000); 1493 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) 1494 sc->tulip_media = TULIP_MEDIA_10BASET; 1495 else 1496 sc->tulip_media = TULIP_MEDIA_100BASETX; 1497 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1498 TULIP_GP_EB_INIT, 1499 TULIP_CMD_TXTHRSHLDCTL); 1500 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1501 TULIP_GP_EB_INIT, 1502 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1503 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1504 TULIP_GP_EB_INIT, 1505 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1506 |TULIP_CMD_SCRAMBLER); 1507 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1508 TULIP_GP_EB_INIT, 1509 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1510 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1511} 1512 1513static const tulip_boardsw_t tulip_21140_eb_boardsw = { 1514 TULIP_21140_DEC_EB, 1515 tulip_21140_evalboard_media_probe, 1516 tulip_media_select, 1517 tulip_null_media_poll, 1518 tulip_2114x_media_preset, 1519}; 1520 1521void 1522tulip_21140_accton_media_probe(tulip_softc_t * const sc) 1523{ 1524 tulip_media_info_t *mip = sc->tulip_mediainfo; 1525 unsigned gpdata; 1526 1527 sc->tulip_gpinit = TULIP_GP_EB_PINS; 1528 sc->tulip_gpdata = TULIP_GP_EB_INIT; 1529 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS); 1530 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT); 1531 TULIP_CSR_WRITE(sc, csr_command, 1532 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1533 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1534 TULIP_CSR_WRITE(sc, csr_command, 1535 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1536 DELAY(1000000); 1537 gpdata = TULIP_CSR_READ(sc, csr_gp); 1538 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) 1539 sc->tulip_media = TULIP_MEDIA_10BASET; 1540 else { 1541 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) 1542 sc->tulip_media = TULIP_MEDIA_BNC; 1543 else 1544 sc->tulip_media = TULIP_MEDIA_100BASETX; 1545 } 1546 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC, 1547 TULIP_GP_EN1207_BNC_INIT, 1548 TULIP_CMD_TXTHRSHLDCTL); 1549 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1550 TULIP_GP_EN1207_UTP_INIT, 1551 TULIP_CMD_TXTHRSHLDCTL); 1552 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1553 TULIP_GP_EN1207_UTP_INIT, 1554 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1555 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1556 TULIP_GP_EN1207_100_INIT, 1557 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1558 |TULIP_CMD_SCRAMBLER); 1559 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1560 TULIP_GP_EN1207_100_INIT, 1561 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1562 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1563} 1564 1565static const tulip_boardsw_t tulip_21140_accton_boardsw = { 1566 TULIP_21140_EN1207, 1567 tulip_21140_accton_media_probe, 1568 tulip_media_select, 1569 tulip_null_media_poll, 1570 tulip_2114x_media_preset, 1571}; 1572 1573void 1574tulip_21140_smc9332_media_probe(tulip_softc_t * const sc) 1575{ 1576 tulip_media_info_t *mip = sc->tulip_mediainfo; 1577 int idx, cnt = 0; 1578 1579 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE); 1580 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 1581 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 1582 33MHz that comes to two microseconds but wait a 1583 bit longer anyways) */ 1584 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT | 1585 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1586 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS; 1587 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT; 1588 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET); 1589 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT); 1590 DELAY(200000); 1591 for (idx = 1000; idx > 0; idx--) { 1592 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1593 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) { 1594 if (++cnt > 100) 1595 break; 1596 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) 1597 break; 1598 else 1599 cnt = 0; 1600 DELAY(1000); 1601 } 1602 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1603 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1604 TULIP_GP_SMC_9332_INIT, 1605 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1606 |TULIP_CMD_SCRAMBLER); 1607 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1608 TULIP_GP_SMC_9332_INIT, 1609 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1610 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1611 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1612 TULIP_GP_SMC_9332_INIT, 1613 TULIP_CMD_TXTHRSHLDCTL); 1614 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1615 TULIP_GP_SMC_9332_INIT, 1616 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1617} 1618 1619static const tulip_boardsw_t tulip_21140_smc9332_boardsw = { 1620 TULIP_21140_SMC_9332, 1621 tulip_21140_smc9332_media_probe, 1622 tulip_media_select, 1623 tulip_null_media_poll, 1624 tulip_2114x_media_preset, 1625}; 1626 1627void 1628tulip_21140_cogent_em100_media_probe(tulip_softc_t * const sc) 1629{ 1630 tulip_media_info_t *mip = sc->tulip_mediainfo; 1631 u_int32_t cmdmode = TULIP_CSR_READ(sc, csr_command); 1632 1633 sc->tulip_gpinit = TULIP_GP_EM100_PINS; 1634 sc->tulip_gpdata = TULIP_GP_EM100_INIT; 1635 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS); 1636 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT); 1637 1638 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE; 1639 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER); 1640 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 1641 TULIP_CSR_WRITE(sc, csr_command, cmdmode); 1642 sc->tulip_media = TULIP_MEDIA_100BASEFX; 1643 1644 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX, 1645 TULIP_GP_EM100_INIT, 1646 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION); 1647 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD, 1648 TULIP_GP_EM100_INIT, 1649 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1650 |TULIP_CMD_FULLDUPLEX); 1651 } else { 1652 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER); 1653 sc->tulip_media = TULIP_MEDIA_100BASETX; 1654 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1655 TULIP_GP_EM100_INIT, 1656 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1657 |TULIP_CMD_SCRAMBLER); 1658 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1659 TULIP_GP_EM100_INIT, 1660 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1661 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1662 } 1663} 1664 1665static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = { 1666 TULIP_21140_COGENT_EM100, 1667 tulip_21140_cogent_em100_media_probe, 1668 tulip_media_select, 1669 tulip_null_media_poll, 1670 tulip_2114x_media_preset 1671}; 1672 1673void 1674tulip_21140_znyx_zx34x_media_probe(tulip_softc_t * const sc) 1675{ 1676 tulip_media_info_t *mip = sc->tulip_mediainfo; 1677 int cnt10 = 0, cnt100 = 0, idx; 1678 1679 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS; 1680 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT; 1681 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS); 1682 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT); 1683 TULIP_CSR_WRITE(sc, csr_command, 1684 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT | 1685 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE); 1686 TULIP_CSR_WRITE(sc, csr_command, 1687 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL); 1688 1689 DELAY(200000); 1690 for (idx = 1000; idx > 0; idx--) { 1691 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp); 1692 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)) { 1693 if (++cnt100 > 100) 1694 break; 1695 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) { 1696 if (++cnt10 > 100) 1697 break; 1698 } else { 1699 cnt10 = 0; 1700 cnt100 = 0; 1701 } 1702 DELAY(1000); 1703 } 1704 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET; 1705 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET, 1706 TULIP_GP_ZX34X_INIT, 1707 TULIP_CMD_TXTHRSHLDCTL); 1708 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD, 1709 TULIP_GP_ZX34X_INIT, 1710 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX); 1711 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX, 1712 TULIP_GP_ZX34X_INIT, 1713 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1714 |TULIP_CMD_SCRAMBLER); 1715 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD, 1716 TULIP_GP_ZX34X_INIT, 1717 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION 1718 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX); 1719} 1720 1721static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = { 1722 TULIP_21140_ZNYX_ZX34X, 1723 tulip_21140_znyx_zx34x_media_probe, 1724 tulip_media_select, 1725 tulip_null_media_poll, 1726 tulip_2114x_media_preset, 1727}; 1728 1729void 1730tulip_2114x_media_probe(tulip_softc_t * const sc) 1731{ 1732 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE 1733 |TULIP_CMD_BACKOFFCTR|TULIP_CMD_THRSHLD72; 1734} 1735 1736static const tulip_boardsw_t tulip_2114x_isv_boardsw = { 1737 TULIP_21140_ISV, 1738 tulip_2114x_media_probe, 1739 tulip_media_select, 1740 tulip_media_poll, 1741 tulip_2114x_media_preset, 1742}; 1743 1744/* 1745 * ******** END of chip-specific handlers. *********** 1746 */ 1747 1748/* 1749 * Code the read the SROM and MII bit streams (I2C) 1750 */ 1751void 1752tulip_delay_300ns(tulip_softc_t * const sc) 1753{ 1754 int idx; 1755 for (idx = (300 / 33) + 1; idx > 0; idx--) 1756 (void) TULIP_CSR_READ(sc, csr_busmode); 1757} 1758 1759void 1760tulip_srom_idle(tulip_softc_t * const sc) 1761{ 1762 unsigned bit, csr; 1763 1764 csr = SROMSEL ; EMIT; 1765 csr = SROMSEL | SROMRD; EMIT; 1766 csr ^= SROMCS; EMIT; 1767 csr ^= SROMCLKON; EMIT; 1768 1769 /* 1770 * Write 25 cycles of 0 which will force the SROM to be idle. 1771 */ 1772 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) { 1773 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1774 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1775 } 1776 csr ^= SROMCLKOFF; EMIT; 1777 csr ^= SROMCS; EMIT; 1778 csr = 0; EMIT; 1779} 1780 1781void 1782tulip_srom_read(tulip_softc_t * const sc) 1783{ 1784 unsigned idx; 1785 const unsigned bitwidth = SROM_BITWIDTH; 1786 const unsigned cmdmask = (SROMCMD_RD << bitwidth); 1787 const unsigned msb = 1 << (bitwidth + 3 - 1); 1788 unsigned lastidx = (1 << bitwidth) - 1; 1789 1790 tulip_srom_idle(sc); 1791 1792 for (idx = 0; idx <= lastidx; idx++) { 1793 unsigned lastbit, data, bits, bit, csr; 1794 csr = SROMSEL ; EMIT; 1795 csr = SROMSEL | SROMRD; EMIT; 1796 csr ^= SROMCSON; EMIT; 1797 csr ^= SROMCLKON; EMIT; 1798 1799 lastbit = 0; 1800 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) { 1801 const unsigned thisbit = bits & msb; 1802 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1803 if (thisbit != lastbit) { 1804 csr ^= SROMDOUT; EMIT; /* clock low; invert data */ 1805 } else { 1806 EMIT; 1807 } 1808 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1809 lastbit = thisbit; 1810 } 1811 csr ^= SROMCLKOFF; EMIT; 1812 1813 for (data = 0, bits = 0; bits < 16; bits++) { 1814 data <<= 1; 1815 csr ^= SROMCLKON; EMIT; /* clock high; data valid */ 1816 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0; 1817 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */ 1818 } 1819 sc->tulip_rombuf[idx*2] = data & 0xFF; 1820 sc->tulip_rombuf[idx*2+1] = data >> 8; 1821 csr = SROMSEL | SROMRD; EMIT; 1822 csr = 0; EMIT; 1823 } 1824 tulip_srom_idle(sc); 1825} 1826 1827void 1828tulip_mii_writebits(tulip_softc_t * const sc, unsigned data, unsigned bits) 1829{ 1830 unsigned msb = 1 << (bits - 1); 1831 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1832 unsigned lastbit = (csr & MII_DOUT) ? msb : 0; 1833 1834 csr |= MII_WR; MII_EMIT; /* clock low; assert write */ 1835 1836 for (; bits > 0; bits--, data <<= 1) { 1837 const unsigned thisbit = data & msb; 1838 if (thisbit != lastbit) 1839 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */ 1840 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1841 lastbit = thisbit; 1842 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1843 } 1844} 1845 1846void 1847tulip_mii_turnaround(tulip_softc_t * const sc, unsigned cmd) 1848{ 1849 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1850 1851 if (cmd == MII_WRCMD) { 1852 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */ 1853 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1854 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1855 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */ 1856 } else 1857 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */ 1858 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1859 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1860} 1861 1862unsigned 1863tulip_mii_readbits(tulip_softc_t * const sc) 1864{ 1865 unsigned data; 1866 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1867 int idx; 1868 1869 for (idx = 0, data = 0; idx < 16; idx++) { 1870 data <<= 1; /* this is NOOP on the first pass through */ 1871 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */ 1872 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN) 1873 data |= 1; 1874 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */ 1875 } 1876 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */ 1877 1878 return (data); 1879} 1880 1881unsigned 1882tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno) 1883{ 1884 unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1885 unsigned data; 1886 1887 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1888 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1889 tulip_mii_writebits(sc, MII_RDCMD, 8); 1890 tulip_mii_writebits(sc, devaddr, 5); 1891 tulip_mii_writebits(sc, regno, 5); 1892 tulip_mii_turnaround(sc, MII_RDCMD); 1893 1894 data = tulip_mii_readbits(sc); 1895#if defined(TULIP_DEBUG) 1896 sc->tulip_dbg.dbg_phyregs[regno][0] = data; 1897 sc->tulip_dbg.dbg_phyregs[regno][1]++; 1898#endif 1899 return (data); 1900} 1901 1902void 1903tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, 1904 unsigned regno, unsigned data) 1905{ 1906 unsigned csr; 1907 1908 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK); 1909 csr &= ~(MII_RD|MII_CLK); MII_EMIT; 1910 tulip_mii_writebits(sc, MII_PREAMBLE, 32); 1911 tulip_mii_writebits(sc, MII_WRCMD, 8); 1912 tulip_mii_writebits(sc, devaddr, 5); 1913 tulip_mii_writebits(sc, regno, 5); 1914 tulip_mii_turnaround(sc, MII_WRCMD); 1915 tulip_mii_writebits(sc, data, 16); 1916#if defined(TULIP_DEBUG) 1917 sc->tulip_dbg.dbg_phyregs[regno][2] = data; 1918 sc->tulip_dbg.dbg_phyregs[regno][3]++; 1919#endif 1920} 1921 1922void 1923tulip_identify_dec_nic(tulip_softc_t * const sc) 1924{ 1925 strlcpy(sc->tulip_boardid, "DEC ", sizeof(sc->tulip_boardid)); 1926#define D0 4 1927 if (sc->tulip_chipid <= TULIP_DE425) 1928 return; 1929 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0 1930 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) { 1931 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8); 1932 sc->tulip_boardid[D0+8] = ' '; 1933 } 1934#undef D0 1935} 1936 1937void 1938tulip_identify_znyx_nic(tulip_softc_t * const sc) 1939{ 1940 unsigned id = 0; 1941 strlcpy(sc->tulip_boardid, "ZNYX ZX3XX ", sizeof(sc->tulip_boardid)); 1942 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 1943 unsigned znyx_ptr; 1944 sc->tulip_boardid[8] = '4'; 1945 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125]; 1946 if (znyx_ptr < 26 || znyx_ptr > 116) { 1947 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1948 return; 1949 } 1950 /* ZX344 = 0010 .. 0013FF 1951 */ 1952 if (sc->tulip_rombuf[znyx_ptr] == 0x4A 1953 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52 1954 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) { 1955 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4]; 1956 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) { 1957 sc->tulip_boardid[9] = '2'; 1958 if (id == TULIP_ZNYX_ID_ZX342B) { 1959 sc->tulip_boardid[10] = 'B'; 1960 sc->tulip_boardid[11] = ' '; 1961 } 1962 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1963 } else if (id == TULIP_ZNYX_ID_ZX344) { 1964 sc->tulip_boardid[10] = '4'; 1965 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1966 } else if (id == TULIP_ZNYX_ID_ZX345) { 1967 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5'; 1968 } else if (id == TULIP_ZNYX_ID_ZX346) { 1969 sc->tulip_boardid[9] = '6'; 1970 } else if (id == TULIP_ZNYX_ID_ZX351) { 1971 sc->tulip_boardid[8] = '5'; 1972 sc->tulip_boardid[9] = '1'; 1973 } 1974 } 1975 if (id == 0) { 1976 /* 1977 * Assume it's a ZX342... 1978 */ 1979 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw; 1980 } 1981 return; 1982 } 1983 sc->tulip_boardid[8] = '1'; 1984 if (sc->tulip_chipid == TULIP_21041) { 1985 sc->tulip_boardid[10] = '1'; 1986 return; 1987 } 1988 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) { 1989 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36]; 1990 if (id == TULIP_ZNYX_ID_ZX312T) { 1991 sc->tulip_boardid[9] = '2'; 1992 sc->tulip_boardid[10] = 'T'; 1993 sc->tulip_boardid[11] = ' '; 1994 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1995 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) { 1996 sc->tulip_boardid[9] = '4'; 1997 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 1998 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 1999 } else if (id == TULIP_ZNYX_ID_ZX314) { 2000 sc->tulip_boardid[9] = '4'; 2001 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2002 sc->tulip_features |= TULIP_HAVE_BASEROM; 2003 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) { 2004 sc->tulip_boardid[9] = '5'; 2005 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2006 } else if (id == TULIP_ZNYX_ID_ZX315) { 2007 sc->tulip_boardid[9] = '5'; 2008 sc->tulip_features |= TULIP_HAVE_BASEROM; 2009 } else 2010 id = 0; 2011 } 2012 if (id == 0) { 2013 if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) { 2014 sc->tulip_boardid[9] = '4'; 2015 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2016 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2017 } else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) { 2018 sc->tulip_boardid[9] = '5'; 2019 sc->tulip_boardsw = &tulip_21040_boardsw; 2020 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2021 } else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) { 2022 sc->tulip_boardid[9] = '2'; 2023 sc->tulip_boardsw = &tulip_21040_boardsw; 2024 } 2025 } 2026} 2027 2028void 2029tulip_identify_smc_nic(tulip_softc_t * const sc) 2030{ 2031 u_int32_t id1, id2, ei; 2032 int auibnc = 0, utp = 0; 2033 char *cp; 2034 2035 strlcpy(sc->tulip_boardid, "SMC ", sizeof(sc->tulip_boardid)); 2036 if (sc->tulip_chipid == TULIP_21041) 2037 return; 2038 if (sc->tulip_chipid != TULIP_21040) { 2039 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2040 strlcat(sc->tulip_boardid, "9332DST ", sizeof(sc->tulip_boardid)); 2041 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw; 2042 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) 2043 strlcat(sc->tulip_boardid, "9334BDT ", sizeof(sc->tulip_boardid)); 2044 else 2045 strlcat(sc->tulip_boardid, "9332BDT ", sizeof(sc->tulip_boardid)); 2046 return; 2047 } 2048 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8); 2049 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8); 2050 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8); 2051 2052 strlcat(sc->tulip_boardid, "8432", sizeof(sc->tulip_boardid)); 2053 cp = &sc->tulip_boardid[8]; 2054 if ((id1 & 1) == 0) 2055 *cp++ = 'B', auibnc = 1; 2056 if ((id1 & 0xFF) > 0x32) 2057 *cp++ = 'T', utp = 1; 2058 if ((id1 & 0x4000) == 0) 2059 *cp++ = 'A', auibnc = 1; 2060 if (id2 == 0x15) { 2061 sc->tulip_boardid[7] = '4'; 2062 *cp++ = '-'; 2063 *cp++ = 'C'; 2064 *cp++ = 'H'; 2065 *cp++ = (ei ? '2' : '1'); 2066 } 2067 *cp++ = ' '; 2068 *cp = '\0'; 2069 if (utp && !auibnc) 2070 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw; 2071 else if (!utp && auibnc) 2072 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw; 2073} 2074 2075void 2076tulip_identify_cogent_nic(tulip_softc_t * const sc) 2077{ 2078 strlcpy(sc->tulip_boardid, "Cogent ", sizeof(sc->tulip_boardid)); 2079 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) { 2080 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) { 2081 strlcat(sc->tulip_boardid, "EM100TX ", sizeof(sc->tulip_boardid)); 2082 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2083#if defined(TULIP_COGENT_EM110TX_ID) 2084 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) { 2085 strlcat(sc->tulip_boardid, "EM110TX ", sizeof(sc->tulip_boardid)); 2086 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2087#endif 2088 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) { 2089 strlcat(sc->tulip_boardid, "EM100FX ", sizeof(sc->tulip_boardid)); 2090 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw; 2091 } 2092 /* 2093 * Magic number (0x24001109U) is the SubVendor (0x2400) and 2094 * SubDevId (0x1109) for the ANA6944TX (EM440TX). 2095 */ 2096 if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U 2097 && (sc->tulip_features & TULIP_HAVE_BASEROM)) { 2098 /* 2099 * Cogent (Adaptec) is still mapping all INTs to INTA of 2100 * first 21140. Dumb! Dumb! 2101 */ 2102 strlcat(sc->tulip_boardid, "EM440TX ", sizeof(sc->tulip_boardid)); 2103 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2104 } 2105 } else if (sc->tulip_chipid == TULIP_21040) 2106 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM; 2107} 2108 2109void 2110tulip_identify_accton_nic(tulip_softc_t * const sc) 2111{ 2112 strlcpy(sc->tulip_boardid, "ACCTON ", sizeof(sc->tulip_boardid)); 2113 switch (sc->tulip_chipid) { 2114 case TULIP_21140A: 2115 strlcat(sc->tulip_boardid, "EN1207 ", sizeof(sc->tulip_boardid)); 2116 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2117 sc->tulip_boardsw = &tulip_21140_accton_boardsw; 2118 break; 2119 case TULIP_21140: 2120 strlcat(sc->tulip_boardid, "EN1207TX ", sizeof(sc->tulip_boardid)); 2121 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) 2122 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2123 break; 2124 case TULIP_21040: 2125 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2126 sc->tulip_boardsw = &tulip_21040_boardsw; 2127 break; 2128 case TULIP_21041: 2129 strlcat(sc->tulip_boardid, "EN1203 ", sizeof(sc->tulip_boardid)); 2130 sc->tulip_boardsw = &tulip_21041_boardsw; 2131 break; 2132 default: 2133 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2134 break; 2135 } 2136} 2137 2138void 2139tulip_identify_asante_nic(tulip_softc_t * const sc) 2140{ 2141 strlcpy(sc->tulip_boardid, "Asante ", sizeof(sc->tulip_boardid)); 2142 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) 2143 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) { 2144 tulip_media_info_t *mi = sc->tulip_mediainfo; 2145 int idx; 2146 /* 2147 * The Asante Fast Ethernet doesn't always ship with a valid 2148 * new format SROM. So if isn't in the new format, we cheat 2149 * set it up as if we had. 2150 */ 2151 2152 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS; 2153 sc->tulip_gpdata = 0; 2154 2155 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET); 2156 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET); 2157 DELAY(100); 2158 TULIP_CSR_WRITE(sc, csr_gp, 0); 2159 2160 mi->mi_type = TULIP_MEDIAINFO_MII; 2161 mi->mi_gpr_length = 0; 2162 mi->mi_gpr_offset = 0; 2163 mi->mi_reset_length = 0; 2164 mi->mi_reset_offset = 0; 2165 2166 mi->mi_phyaddr = TULIP_MII_NOPHY; 2167 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) { 2168 DELAY(10000); 2169 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0); 2170 } 2171 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2172#ifdef TULIP_DEBUG 2173 printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS); 2174#endif 2175 return; 2176 } 2177 2178 sc->tulip_features |= TULIP_HAVE_MII; 2179 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2180 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD; 2181 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD; 2182 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD; 2183 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2184 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2185 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2186 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2187 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2188 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2189 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2190 2191 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2192 } 2193} 2194 2195void 2196tulip_identify_compex_nic(tulip_softc_t * const sc) 2197{ 2198 strlcpy(sc->tulip_boardid, "COMPEX ", sizeof(sc->tulip_boardid)); 2199 if (sc->tulip_chipid == TULIP_21140A) { 2200 int root_unit; 2201 tulip_softc_t *root_sc = NULL; 2202 2203 strlcat(sc->tulip_boardid, "400TX/PCI ", sizeof(sc->tulip_boardid)); 2204 /* 2205 * All 4 chips on these boards share an interrupt. This code 2206 * copied from tulip_read_macaddr. 2207 */ 2208 sc->tulip_features |= TULIP_HAVE_SHAREDINTR; 2209 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2210 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2211 if (root_sc == NULL 2212 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR)) 2213 break; 2214 root_sc = NULL; 2215 } 2216 if (root_sc != NULL 2217 && root_sc->tulip_chipid == sc->tulip_chipid 2218 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2219 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2220 sc->tulip_slaves = root_sc->tulip_slaves; 2221 root_sc->tulip_slaves = sc; 2222 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) 2223 printf("\nCannot find master device for de%d interrupts", sc->tulip_unit); 2224 } else 2225 strlcat(sc->tulip_boardid, "unknown ", sizeof(sc->tulip_boardid)); 2226 2227 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */ 2228} 2229 2230int 2231tulip_srom_decode(tulip_softc_t * const sc) 2232{ 2233 unsigned idx1, idx2, idx3; 2234 2235 const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0]; 2236 const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1); 2237 tulip_srom_media_t srom_media; 2238 tulip_media_info_t *mi = sc->tulip_mediainfo; 2239 const u_int8_t *dp; 2240 u_int32_t leaf_offset, blocks, data; 2241 2242 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) { 2243 if (shp->sh_adapter_count == 1) 2244 break; 2245 if (saip->sai_device == sc->tulip_pci_devno) 2246 break; 2247 } 2248 /* 2249 * Didn't find the right media block for this card. 2250 */ 2251 if (idx1 == shp->sh_adapter_count) 2252 return (0); 2253 2254 /* 2255 * Save the hardware address. 2256 */ 2257 bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 2258 ETHER_ADDR_LEN); 2259 /* 2260 * If this is a multiple port card, add the adapter index to the last 2261 * byte of the hardware address. (if it isn't multiport, adding 0 2262 * won't hurt. 2263 */ 2264 sc->tulip_enaddr[5] += idx1; 2265 2266 leaf_offset = saip->sai_leaf_offset_lowbyte 2267 + saip->sai_leaf_offset_highbyte * 256; 2268 dp = sc->tulip_rombuf + leaf_offset; 2269 2270 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2; 2271 2272 for (idx2 = 0;; idx2++) { 2273 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype 2274 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED) 2275 break; 2276 } 2277 sc->tulip_connidx = idx2; 2278 2279 if (sc->tulip_chipid == TULIP_21041) { 2280 blocks = *dp++; 2281 for (idx2 = 0; idx2 < blocks; idx2++) { 2282 tulip_media_t media; 2283 data = *dp++; 2284 srom_media = (tulip_srom_media_t) (data & 0x3F); 2285 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2286 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2287 break; 2288 } 2289 media = tulip_srom_mediums[idx3].sm_type; 2290 if (media != TULIP_MEDIA_UNKNOWN) { 2291 if (data & TULIP_SROM_21041_EXTENDED) { 2292 mi->mi_type = TULIP_MEDIAINFO_SIA; 2293 sc->tulip_mediums[media] = mi; 2294 mi->mi_sia_connectivity = dp[0] + dp[1] * 256; 2295 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256; 2296 mi->mi_sia_general = dp[4] + dp[5] * 256; 2297 mi++; 2298 } else { 2299 switch (media) { 2300 case TULIP_MEDIA_BNC: { 2301 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); 2302 mi++; 2303 break; 2304 } 2305 case TULIP_MEDIA_AUI: { 2306 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); 2307 mi++; 2308 break; 2309 } 2310 case TULIP_MEDIA_10BASET: { 2311 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); 2312 mi++; 2313 break; 2314 } 2315 case TULIP_MEDIA_10BASET_FD: { 2316 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); 2317 mi++; 2318 break; 2319 } 2320 default: { 2321 break; 2322 } 2323 } 2324 } 2325 } 2326 if (data & TULIP_SROM_21041_EXTENDED) 2327 dp += 6; 2328 } 2329 } else { 2330 unsigned length, type; 2331 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN; 2332 if (sc->tulip_features & TULIP_HAVE_GPR) 2333 sc->tulip_gpinit = *dp++; 2334 blocks = *dp++; 2335 for (idx2 = 0; idx2 < blocks; idx2++) { 2336 const u_int8_t *ep; 2337 if ((*dp & 0x80) == 0) { 2338 length = 4; 2339 type = 0; 2340 } else { 2341 length = (*dp++ & 0x7f) - 1; 2342 type = *dp++ & 0x3f; 2343 } 2344 ep = dp + length; 2345 switch (type & 0x3f) { 2346 case 0: { /* 21140[A] GPR block */ 2347 tulip_media_t media; 2348 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2349 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2350 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2351 break; 2352 } 2353 media = tulip_srom_mediums[idx3].sm_type; 2354 if (media == TULIP_MEDIA_UNKNOWN) 2355 break; 2356 mi->mi_type = TULIP_MEDIAINFO_GPR; 2357 sc->tulip_mediums[media] = mi; 2358 mi->mi_gpdata = dp[1]; 2359 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) { 2360 sc->tulip_gpdata = mi->mi_gpdata; 2361 gp_media = media; 2362 } 2363 data = dp[2] + dp[3] * 256; 2364 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2365 if (data & TULIP_SROM_2114X_NOINDICATOR) 2366 mi->mi_actmask = 0; 2367 else { 2368 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2369 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2370 } 2371 mi++; 2372 break; 2373 } 2374 case 1: { /* 21140[A] MII block */ 2375 const unsigned phyno = *dp++; 2376 mi->mi_type = TULIP_MEDIAINFO_MII; 2377 mi->mi_gpr_length = *dp++; 2378 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2379 dp += mi->mi_gpr_length; 2380 mi->mi_reset_length = *dp++; 2381 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2382 dp += mi->mi_reset_length; 2383 2384 /* 2385 * Before we probe for a PHY, use the GPR information 2386 * to select it. If we don't, it may be inaccessible. 2387 */ 2388 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET); 2389 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) { 2390 DELAY(10); 2391 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]); 2392 } 2393 sc->tulip_phyaddr = mi->mi_phyaddr; 2394 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) { 2395 DELAY(10); 2396 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]); 2397 } 2398 2399 /* 2400 * At least write something! 2401 */ 2402 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2403 TULIP_CSR_WRITE(sc, csr_gp, 0); 2404 2405 mi->mi_phyaddr = TULIP_MII_NOPHY; 2406 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2407 DELAY(10000); 2408 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2409 } 2410 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2411#if defined(TULIP_DEBUG) 2412 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2413 TULIP_PRINTF_ARGS, phyno); 2414#endif 2415 break; 2416 } 2417 sc->tulip_features |= TULIP_HAVE_MII; 2418 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2419 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2420 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2421 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2422 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2423 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2424 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2425 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2426 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2427 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2428 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2429 mi++; 2430 break; 2431 } 2432 case 2: { /* 2114[23] SIA block */ 2433 tulip_media_t media; 2434 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f); 2435 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2436 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2437 break; 2438 } 2439 media = tulip_srom_mediums[idx3].sm_type; 2440 if (media == TULIP_MEDIA_UNKNOWN) 2441 break; 2442 mi->mi_type = TULIP_MEDIAINFO_SIA; 2443 sc->tulip_mediums[media] = mi; 2444 if (dp[0] & 0x40) { 2445 mi->mi_sia_connectivity = dp[1] + dp[2] * 256; 2446 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256; 2447 mi->mi_sia_general = dp[5] + dp[6] * 256; 2448 dp += 6; 2449 } else { 2450 switch (media) { 2451 case TULIP_MEDIA_BNC: { 2452 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC); 2453 break; 2454 } 2455 case TULIP_MEDIA_AUI: { 2456 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI); 2457 break; 2458 } 2459 case TULIP_MEDIA_10BASET: { 2460 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET); 2461 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2462 break; 2463 } 2464 case TULIP_MEDIA_10BASET_FD: { 2465 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD); 2466 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2467 break; 2468 } 2469 default: { 2470 goto bad_media; 2471 } 2472 } 2473 } 2474 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16; 2475 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16; 2476 mi++; 2477 bad_media: 2478 break; 2479 } 2480 case 3: { /* 2114[23] MII PHY block */ 2481 const unsigned phyno = *dp++; 2482 const u_int8_t *dp0; 2483 mi->mi_type = TULIP_MEDIAINFO_MII; 2484 mi->mi_gpr_length = *dp++; 2485 mi->mi_gpr_offset = dp - sc->tulip_rombuf; 2486 dp += 2 * mi->mi_gpr_length; 2487 mi->mi_reset_length = *dp++; 2488 mi->mi_reset_offset = dp - sc->tulip_rombuf; 2489 dp += 2 * mi->mi_reset_length; 2490 2491 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset]; 2492 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) { 2493 DELAY(10); 2494 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2495 } 2496 sc->tulip_phyaddr = mi->mi_phyaddr; 2497 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset]; 2498 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) { 2499 DELAY(10); 2500 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16); 2501 } 2502 2503 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0) 2504 TULIP_CSR_WRITE(sc, csr_sia_general, 0); 2505 2506 mi->mi_phyaddr = TULIP_MII_NOPHY; 2507 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) { 2508 DELAY(10000); 2509 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno); 2510 } 2511 if (mi->mi_phyaddr == TULIP_MII_NOPHY) { 2512#if defined(TULIP_DEBUG) 2513 printf(TULIP_PRINTF_FMT ": can't find phy %d\n", 2514 TULIP_PRINTF_ARGS, phyno); 2515#endif 2516 break; 2517 } 2518 sc->tulip_features |= TULIP_HAVE_MII; 2519 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2; 2520 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2; 2521 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2; 2522 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2; 2523 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2; 2524 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD); 2525 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX); 2526 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4); 2527 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD); 2528 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET); 2529 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) | 2530 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH); 2531 mi++; 2532 break; 2533 } 2534 case 4: { /* 21143 SYM block */ 2535 tulip_media_t media; 2536 srom_media = (tulip_srom_media_t) dp[0]; 2537 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) { 2538 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media) 2539 break; 2540 } 2541 media = tulip_srom_mediums[idx3].sm_type; 2542 if (media == TULIP_MEDIA_UNKNOWN) 2543 break; 2544 mi->mi_type = TULIP_MEDIAINFO_SYM; 2545 sc->tulip_mediums[media] = mi; 2546 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16; 2547 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16; 2548 data = dp[5] + dp[6] * 256; 2549 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data); 2550 if (data & TULIP_SROM_2114X_NOINDICATOR) 2551 mi->mi_actmask = 0; 2552 else { 2553 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0; 2554 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data); 2555 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask; 2556 } 2557 if (TULIP_IS_MEDIA_TP(media)) 2558 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL; 2559 mi++; 2560 break; 2561 } 2562 default: { 2563 } 2564 } 2565 dp = ep; 2566 } 2567 } 2568 return (mi - sc->tulip_mediainfo); 2569} 2570 2571static const struct { 2572 void (*vendor_identify_nic)(tulip_softc_t * const sc); 2573 unsigned char vendor_oui[3]; 2574} tulip_vendors[] = { 2575 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } }, 2576 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } }, 2577 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } }, 2578 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } }, 2579 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } }, 2580 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } }, 2581 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } }, 2582 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } }, 2583 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } }, 2584 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } }, 2585 { NULL } 2586}; 2587 2588/* 2589 * This deals with the vagaries of the address roms and the 2590 * brain-deadness that various vendors commit in using them. 2591 */ 2592int 2593tulip_read_macaddr(tulip_softc_t * const sc) 2594{ 2595 unsigned cksum, rom_cksum, idx; 2596 u_int32_t csr; 2597 unsigned char tmpbuf[8]; 2598 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA }; 2599 2600 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX; 2601 2602 if (sc->tulip_chipid == TULIP_21040) { 2603 TULIP_CSR_WRITE(sc, csr_enetrom, 1); 2604 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2605 int cnt = 0; 2606 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000) 2607 cnt++; 2608 sc->tulip_rombuf[idx] = csr & 0xFF; 2609 } 2610 sc->tulip_boardsw = &tulip_21040_boardsw; 2611 } else { 2612 if (sc->tulip_chipid == TULIP_21041) { 2613 /* 2614 * Thankfully all 21041's act the same. 2615 */ 2616 sc->tulip_boardsw = &tulip_21041_boardsw; 2617 } else { 2618 /* 2619 * Assume all 21140 board are compatible with the 2620 * DEC 10/100 evaluation board. Not really valid but 2621 * it's the best we can do until every one switches to 2622 * the new SROM format. 2623 */ 2624 2625 sc->tulip_boardsw = &tulip_21140_eb_boardsw; 2626 } 2627 tulip_srom_read(sc); 2628 if (tulip_srom_crcok(sc->tulip_rombuf)) { 2629 /* 2630 * SROM CRC is valid therefore it must be in the 2631 * new format. 2632 */ 2633 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM; 2634 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) { 2635 /* 2636 * No checksum is present. See if the SROM id checks out; 2637 * the first 18 bytes should be 0 followed by a 1 followed 2638 * by the number of adapters (which we don't deal with yet). 2639 */ 2640 for (idx = 0; idx < 18; idx++) { 2641 if (sc->tulip_rombuf[idx] != 0) 2642 break; 2643 } 2644 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0) 2645 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2646 } else if (sc->tulip_chipid >= TULIP_21142) { 2647 sc->tulip_features |= TULIP_HAVE_ISVSROM; 2648 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2649 } 2650 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) { 2651 if (sc->tulip_chipid != TULIP_21041) 2652 sc->tulip_boardsw = &tulip_2114x_isv_boardsw; 2653 2654 /* 2655 * If the SROM specifies more than one adapter, tag this as a 2656 * BASE rom. 2657 */ 2658 if (sc->tulip_rombuf[19] > 1) 2659 sc->tulip_features |= TULIP_HAVE_BASEROM; 2660 if (sc->tulip_boardsw == NULL) 2661 return (-6); 2662 goto check_oui; 2663 } 2664 } 2665 2666 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) { 2667 /* 2668 * Some folks don't use the standard ethernet rom format 2669 * but instead just put the address in the first 6 bytes 2670 * of the rom and let the rest be all 0xffs. (Can we say 2671 * ZNYX???) (well sometimes they put in a checksum so we'll 2672 * start at 8). 2673 */ 2674 for (idx = 8; idx < 32; idx++) { 2675 if (sc->tulip_rombuf[idx] != 0xFF) 2676 return (-4); 2677 } 2678 /* 2679 * Make sure the address is not multicast or locally assigned 2680 * that the OUI is not 00-00-00. 2681 */ 2682 if ((sc->tulip_rombuf[0] & 3) != 0) 2683 return (-4); 2684 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0 2685 && sc->tulip_rombuf[2] == 0) 2686 return (-4); 2687 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2688 sc->tulip_features |= TULIP_HAVE_OKROM; 2689 goto check_oui; 2690 } else { 2691 /* 2692 * A number of makers of multiport boards (ZNYX and Cogent) 2693 * only put on one address ROM on their 21040 boards. So 2694 * if the ROM is all zeros (or all 0xFFs), look at the 2695 * previous configured boards (as long as they are on the same 2696 * PCI bus and the bus number is non-zero) until we find the 2697 * master board with address ROM. We then use its address ROM 2698 * as the base for this board. (we add our relative board 2699 * to the last byte of its address). 2700 */ 2701 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) { 2702 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF) 2703 break; 2704 } 2705 if (idx == sizeof(sc->tulip_rombuf)) { 2706 int root_unit; 2707 tulip_softc_t *root_sc = NULL; 2708 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) { 2709 root_sc = TULIP_UNIT_TO_SOFTC(root_unit); 2710 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM) 2711 break; 2712 root_sc = NULL; 2713 } 2714 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM) 2715 && root_sc->tulip_chipid == sc->tulip_chipid 2716 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) { 2717 sc->tulip_features |= TULIP_HAVE_SLAVEDROM; 2718 sc->tulip_boardsw = root_sc->tulip_boardsw; 2719 strlcpy(sc->tulip_boardid, root_sc->tulip_boardid, 2720 sizeof(sc->tulip_boardid)); 2721 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) { 2722 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf, 2723 sizeof(sc->tulip_rombuf)); 2724 if (!tulip_srom_decode(sc)) 2725 return (-5); 2726 } else { 2727 bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 2728 ETHER_ADDR_LEN); 2729 sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit; 2730 } 2731 /* 2732 * Now for a truly disgusting kludge: all 4 21040s on 2733 * the ZX314 share the same INTA line so the mapping 2734 * setup by the BIOS on the PCI bridge is worthless. 2735 * Rather than reprogramming the value in the config 2736 * register, we will handle this internally. 2737 */ 2738 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) { 2739 sc->tulip_slaves = root_sc->tulip_slaves; 2740 root_sc->tulip_slaves = sc; 2741 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR; 2742 } 2743 return (0); 2744 } 2745 } 2746 } 2747 2748 /* 2749 * This is the standard DEC address ROM test. 2750 */ 2751 2752 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0) 2753 return (-3); 2754 2755 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14]; 2756 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12]; 2757 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10]; 2758 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8]; 2759 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0) 2760 return (-2); 2761 2762 bcopy(sc->tulip_rombuf, sc->tulip_enaddr, ETHER_ADDR_LEN); 2763 2764 cksum = *(u_int16_t *) &sc->tulip_enaddr[0]; 2765 cksum *= 2; 2766 if (cksum > 65535) cksum -= 65535; 2767 cksum += *(u_int16_t *) &sc->tulip_enaddr[2]; 2768 if (cksum > 65535) cksum -= 65535; 2769 cksum *= 2; 2770 if (cksum > 65535) cksum -= 65535; 2771 cksum += *(u_int16_t *) &sc->tulip_enaddr[4]; 2772 if (cksum >= 65535) cksum -= 65535; 2773 2774 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6]; 2775 2776 if (cksum != rom_cksum) 2777 return (-1); 2778 2779 check_oui: 2780 /* 2781 * Check for various boards based on OUI. Did I say braindead? 2782 */ 2783 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) { 2784 if (bcmp((caddr_t) sc->tulip_enaddr, 2785 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) { 2786 (*tulip_vendors[idx].vendor_identify_nic)(sc); 2787 break; 2788 } 2789 } 2790 2791 sc->tulip_features |= TULIP_HAVE_OKROM; 2792 return (0); 2793} 2794 2795void 2796tulip_ifmedia_add(tulip_softc_t * const sc) 2797{ 2798 tulip_media_t media; 2799 int medias = 0; 2800 2801 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2802 if (sc->tulip_mediums[media] != NULL) { 2803 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media], 2804 0, 0); 2805 medias++; 2806 } 2807 } 2808 if (medias == 0) { 2809 sc->tulip_features |= TULIP_HAVE_NOMEDIA; 2810 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0); 2811 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE); 2812 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) { 2813 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0); 2814 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO); 2815 } else { 2816 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]); 2817 sc->tulip_flags |= TULIP_PRINTMEDIA; 2818 tulip_linkup(sc, sc->tulip_media); 2819 } 2820} 2821 2822int 2823tulip_ifmedia_change(struct ifnet * const ifp) 2824{ 2825 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 2826 2827 sc->tulip_flags |= TULIP_NEEDRESET; 2828 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 2829 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 2830 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) { 2831 tulip_media_t media; 2832 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) { 2833 if (sc->tulip_mediums[media] != NULL 2834 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) { 2835 sc->tulip_flags |= TULIP_PRINTMEDIA; 2836 sc->tulip_flags &= ~TULIP_DIDNWAY; 2837 tulip_linkup(sc, media); 2838 return (0); 2839 } 2840 } 2841 } 2842 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT); 2843 tulip_reset(sc); 2844 tulip_init(sc); 2845 return (0); 2846} 2847 2848/* 2849 * Media status callback 2850 */ 2851void 2852tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req) 2853{ 2854 tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp); 2855 2856 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) 2857 return; 2858 2859 req->ifm_status = IFM_AVALID; 2860 if (sc->tulip_flags & TULIP_LINKUP) 2861 req->ifm_status |= IFM_ACTIVE; 2862 2863 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media]; 2864} 2865 2866bus_dmamap_t 2867tulip_alloc_rxmap(tulip_softc_t *sc) 2868{ 2869 return (sc->tulip_free_rxmaps[--sc->tulip_num_free_rxmaps]); 2870} 2871 2872void 2873tulip_free_rxmap(tulip_softc_t *sc, bus_dmamap_t map) 2874{ 2875 sc->tulip_free_rxmaps[sc->tulip_num_free_rxmaps++] = map; 2876} 2877 2878bus_dmamap_t 2879tulip_alloc_txmap(tulip_softc_t *sc) 2880{ 2881 return (sc->tulip_free_txmaps[--sc->tulip_num_free_txmaps]); 2882} 2883 2884void 2885tulip_free_txmap(tulip_softc_t *sc, bus_dmamap_t map) 2886{ 2887 sc->tulip_free_txmaps[sc->tulip_num_free_txmaps++] = map; 2888} 2889 2890void 2891tulip_addr_filter(tulip_softc_t * const sc) 2892{ 2893 struct ether_multistep step; 2894 struct ether_multi *enm; 2895 2896 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI); 2897 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART; 2898 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 2899 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 2900 sc->tulip_if.if_flags &= ~IFF_ALLMULTI; 2901 sc->tulip_if.if_start = tulip_ifstart; /* so the setup packet gets queued */ 2902 if (sc->tulip_multicnt > 14) { 2903 u_int32_t *sp = sc->tulip_setupdata; 2904 unsigned hash; 2905 /* 2906 * Some early passes of the 21140 have broken implementations of 2907 * hash-perfect mode. When we get too many multicasts for perfect 2908 * filtering with these chips, we need to switch into hash-only 2909 * mode (this is better than all-multicast on network with lots 2910 * of multicast traffic). 2911 */ 2912 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH) 2913 sc->tulip_flags |= TULIP_WANTHASHONLY; 2914 else 2915 sc->tulip_flags |= TULIP_WANTHASHPERFECT; 2916 /* 2917 * If we have more than 14 multicasts, we have 2918 * go into hash perfect mode (512 bit multicast 2919 * hash and one perfect hardware). 2920 */ 2921 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata)); 2922 ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); 2923 while (enm != NULL) { 2924 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 2925 hash = tulip_mchash(enm->enm_addrlo); 2926#if BYTE_ORDER == BIG_ENDIAN 2927 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2928#else 2929 sp[hash >> 4] |= 1 << (hash & 0xF); 2930#endif 2931 } else { 2932 sc->tulip_flags |= TULIP_ALLMULTI; 2933 sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT); 2934 break; 2935 } 2936 ETHER_NEXT_MULTI(step, enm); 2937 } 2938 /* 2939 * No reason to use a hash if we are going to be 2940 * receiving every multicast. 2941 */ 2942 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2943 hash = tulip_mchash(etherbroadcastaddr); 2944#if BYTE_ORDER == BIG_ENDIAN 2945 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2946#else 2947 sp[hash >> 4] |= 1 << (hash & 0xF); 2948#endif 2949 if (sc->tulip_flags & TULIP_WANTHASHONLY) { 2950 hash = tulip_mchash(sc->tulip_enaddr); 2951#if BYTE_ORDER == BIG_ENDIAN 2952 sp[hash >> 4] |= swap32(1 << (hash & 0xF)); 2953#else 2954 sp[hash >> 4] |= 1 << (hash & 0xF); 2955#endif 2956 } else { 2957#if BYTE_ORDER == BIG_ENDIAN 2958 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 2959 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 2960 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 2961#else 2962 sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 2963 sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 2964 sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2]; 2965#endif 2966 } 2967 } 2968 } 2969 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) { 2970 u_int32_t *sp = sc->tulip_setupdata; 2971 int idx = 0; 2972 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) { 2973 /* 2974 * Else can get perfect filtering for 16 addresses. 2975 */ 2976 ETHER_FIRST_MULTI(step, &sc->tulip_ac, enm); 2977 for (; enm != NULL; idx++) { 2978 if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) { 2979#if BYTE_ORDER == BIG_ENDIAN 2980 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0] << 16; 2981 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1] << 16; 2982 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2] << 16; 2983#else 2984 *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 2985 *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 2986 *sp++ = ((u_int16_t *) enm->enm_addrlo)[2]; 2987#endif 2988 } else { 2989 sc->tulip_flags |= TULIP_ALLMULTI; 2990 break; 2991 } 2992 ETHER_NEXT_MULTI(step, enm); 2993 } 2994 /* 2995 * Add the broadcast address. 2996 */ 2997 idx++; 2998#if BYTE_ORDER == BIG_ENDIAN 2999 *sp++ = 0xFFFF << 16; 3000 *sp++ = 0xFFFF << 16; 3001 *sp++ = 0xFFFF << 16; 3002#else 3003 *sp++ = 0xFFFF; 3004 *sp++ = 0xFFFF; 3005 *sp++ = 0xFFFF; 3006#endif 3007 } 3008 /* 3009 * Pad the rest with our hardware address 3010 */ 3011 for (; idx < 16; idx++) { 3012#if BYTE_ORDER == BIG_ENDIAN 3013 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0] << 16; 3014 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1] << 16; 3015 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2] << 16; 3016#else 3017 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 3018 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 3019 *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2]; 3020#endif 3021 } 3022 } 3023 if (sc->tulip_flags & TULIP_ALLMULTI) 3024 sc->tulip_if.if_flags |= IFF_ALLMULTI; 3025} 3026 3027void 3028tulip_reset(tulip_softc_t * const sc) 3029{ 3030 tulip_ringinfo_t *ri; 3031 tulip_desc_t *di; 3032 u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET); 3033 3034 /* 3035 * Brilliant. Simply brilliant. When switching modes/speeds 3036 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS 3037 * bits in CSR6 and then do a software reset to get the 21140 3038 * to properly reset its internal pathways to the right places. 3039 * Grrrr. 3040 */ 3041 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0 3042 && sc->tulip_boardsw->bd_media_preset != NULL) 3043 (*sc->tulip_boardsw->bd_media_preset)(sc); 3044 3045 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 3046 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 3047 33MHz that comes to two microseconds but wait a 3048 bit longer anyways) */ 3049 3050 if (!inreset) { 3051 sc->tulip_flags |= TULIP_INRESET; 3052 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW); 3053 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3054 sc->tulip_if.if_start = tulip_ifstart; 3055 } 3056 3057 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txdescmap->dm_segs[0].ds_addr); 3058 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxdescmap->dm_segs[0].ds_addr); 3059 TULIP_CSR_WRITE(sc, csr_busmode, 3060 (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8)) 3061 |TULIP_BUSMODE_CACHE_ALIGN8 3062 |TULIP_BUSMODE_READMULTIPLE 3063 |(BYTE_ORDER != LITTLE_ENDIAN ? 3064 TULIP_BUSMODE_DESC_BIGENDIAN : 0)); 3065 3066 sc->tulip_txtimer = 0; 3067 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS; 3068 /* 3069 * Free all the mbufs that were on the transmit ring. 3070 */ 3071 for (;;) { 3072 bus_dmamap_t map; 3073 struct mbuf *m; 3074 IF_DEQUEUE(&sc->tulip_txq, m); 3075 if (m == NULL) 3076 break; 3077 map = TULIP_GETCTX(m, bus_dmamap_t); 3078 bus_dmamap_unload(sc->tulip_dmatag, map); 3079 tulip_free_txmap(sc, map); 3080 m_freem(m); 3081 } 3082 3083 ri = &sc->tulip_txinfo; 3084 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3085 ri->ri_free = ri->ri_max; 3086 for (di = ri->ri_first; di < ri->ri_last; di++) 3087 di->d_status = 0; 3088 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_txdescmap, 3089 0, sc->tulip_txdescmap->dm_mapsize, 3090 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3091 3092 /* 3093 * We need to collect all the mbufs were on the 3094 * receive ring before we reinit it either to put 3095 * them back on or to know if we have to allocate 3096 * more. 3097 */ 3098 ri = &sc->tulip_rxinfo; 3099 ri->ri_nextin = ri->ri_nextout = ri->ri_first; 3100 ri->ri_free = ri->ri_max; 3101 for (di = ri->ri_first; di < ri->ri_last; di++) { 3102 di->d_status = 0; 3103 di->d_length1 = 0; di->d_addr1 = 0; 3104 di->d_length2 = 0; di->d_addr2 = 0; 3105 } 3106 bus_dmamap_sync(sc->tulip_dmatag, sc->tulip_rxdescmap, 3107 0, sc->tulip_rxdescmap->dm_mapsize, 3108 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); 3109 for (;;) { 3110 bus_dmamap_t map; 3111 struct mbuf *m; 3112 IF_DEQUEUE(&sc->tulip_rxq, m); 3113 if (m == NULL) 3114 break; 3115 map = TULIP_GETCTX(m, bus_dmamap_t); 3116 bus_dmamap_unload(sc->tulip_dmatag, map); 3117 tulip_free_rxmap(sc, map); 3118 m_freem(m); 3119 } 3120 3121 /* 3122 * If tulip_reset is being called recurisvely, exit quickly knowing 3123 * that when the outer tulip_reset returns all the right stuff will 3124 * have happened. 3125 */ 3126 if (inreset) 3127 return; 3128 3129 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR 3130 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED 3131 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE 3132 |TULIP_STS_RXSTOPPED; 3133 3134 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0) 3135 (*sc->tulip_boardsw->bd_media_select)(sc); 3136#if defined(TULIP_DEBUG) 3137 if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET) 3138 printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n", 3139 TULIP_PRINTF_ARGS); 3140#endif 3141 tulip_media_print(sc); 3142 if (sc->tulip_features & TULIP_HAVE_DUALSENSE) 3143 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status)); 3144 3145 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET 3146 |TULIP_RXACT); 3147 tulip_addr_filter(sc); 3148} 3149 3150void 3151tulip_init(tulip_softc_t * const sc) 3152{ 3153 if (sc->tulip_if.if_flags & IFF_UP) { 3154 if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) { 3155 /* initialize the media */ 3156 tulip_reset(sc); 3157 } 3158 sc->tulip_if.if_flags |= IFF_RUNNING; 3159 if (sc->tulip_if.if_flags & IFF_PROMISC) { 3160 sc->tulip_flags |= TULIP_PROMISC; 3161 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS; 3162 sc->tulip_intrmask |= TULIP_STS_TXINTR; 3163 } else { 3164 sc->tulip_flags &= ~TULIP_PROMISC; 3165 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS; 3166 if (sc->tulip_flags & TULIP_ALLMULTI) 3167 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI; 3168 else 3169 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI; 3170 } 3171 sc->tulip_cmdmode |= TULIP_CMD_TXRUN; 3172 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) { 3173 tulip_rx_intr(sc); 3174 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3175 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3176 } else { 3177 sc->tulip_if.if_flags |= IFF_OACTIVE; 3178 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN; 3179 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED; 3180 } 3181 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3182 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3183 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 3184 tulip_txput_setup(sc); 3185 } else { 3186 sc->tulip_if.if_flags &= ~IFF_RUNNING; 3187 tulip_reset(sc); 3188 } 3189} 3190 3191void 3192tulip_rx_intr(tulip_softc_t * const sc) 3193{ 3194 TULIP_PERFSTART(rxintr) 3195 tulip_ringinfo_t * const ri = &sc->tulip_rxinfo; 3196 struct ifnet * const ifp = &sc->tulip_if; 3197 int fillok = 1; 3198#if defined(TULIP_DEBUG) 3199 int cnt = 0; 3200#endif 3201 3202 for (;;) { 3203 TULIP_PERFSTART(rxget) 3204 tulip_desc_t *eop = ri->ri_nextin; 3205 int total_len = 0, last_offset = 0; 3206 struct mbuf *ms = NULL, *me = NULL; 3207 int accept = 0; 3208 bus_dmamap_t map; 3209 int error; 3210 3211 if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET) 3212 goto queue_mbuf; 3213 3214#if defined(TULIP_DEBUG) 3215 if (cnt == ri->ri_max) 3216 break; 3217#endif 3218 /* 3219 * If the TULIP has no descriptors, there can't be any receive 3220 * descriptors to process. 3221 */ 3222 if (eop == ri->ri_nextout) 3223 break; 3224 3225 /* 3226 * 90% of the packets will fit in one descriptor. So we optimize 3227 * for that case. 3228 */ 3229 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3230 if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) { 3231 IF_DEQUEUE(&sc->tulip_rxq, ms); 3232 me = ms; 3233 } else { 3234 /* 3235 * If still owned by the TULIP, don't touch it. 3236 */ 3237 if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER) 3238 break; 3239 3240 /* 3241 * It is possible (though improbable unless MCLBYTES < 1518) for 3242 * a received packet to cross more than one receive descriptor. 3243 */ 3244 while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) { 3245 if (++eop == ri->ri_last) 3246 eop = ri->ri_first; 3247 TULIP_RXDESC_POSTSYNC(sc, eop, sizeof(*eop)); 3248 if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) { 3249#if defined(TULIP_DEBUG) 3250 sc->tulip_dbg.dbg_rxintrs++; 3251 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3252#endif 3253 TULIP_PERFEND(rxget); 3254 TULIP_PERFEND(rxintr); 3255 return; 3256 } 3257 total_len++; 3258 } 3259 3260 /* 3261 * Dequeue the first buffer for the start of the packet. Hopefully 3262 * this will be the only one we need to dequeue. However, if the 3263 * packet consumed multiple descriptors, then we need to dequeue 3264 * those buffers and chain to the starting mbuf. All buffers but 3265 * the last buffer have the same length so we can set that now. 3266 * (we add to last_offset instead of multiplying since we normally 3267 * won't go into the loop and thereby saving a ourselves from 3268 * doing a multiplication by 0 in the normal case). 3269 */ 3270 IF_DEQUEUE(&sc->tulip_rxq, ms); 3271 for (me = ms; total_len > 0; total_len--) { 3272 map = TULIP_GETCTX(me, bus_dmamap_t); 3273 TULIP_RXMAP_POSTSYNC(sc, map); 3274 bus_dmamap_unload(sc->tulip_dmatag, map); 3275 tulip_free_rxmap(sc, map); 3276#if defined(DIAGNOSTIC) 3277 TULIP_SETCTX(me, NULL); 3278#endif 3279 me->m_len = TULIP_RX_BUFLEN; 3280 last_offset += TULIP_RX_BUFLEN; 3281 IF_DEQUEUE(&sc->tulip_rxq, me->m_next); 3282 me = me->m_next; 3283 } 3284 } 3285 3286 /* 3287 * Now get the size of received packet (minus the CRC). 3288 */ 3289 total_len = ((eop->d_status >> 16) & 0x7FFF) - 4; 3290 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0 3291 && ((eop->d_status & TULIP_DSTS_ERRSUM) == 0)) { 3292 me->m_len = total_len - last_offset; 3293 3294 map = TULIP_GETCTX(me, bus_dmamap_t); 3295 bus_dmamap_sync(sc->tulip_dmatag, map, 0, me->m_len, 3296 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE); 3297 bus_dmamap_unload(sc->tulip_dmatag, map); 3298 tulip_free_rxmap(sc, map); 3299#if defined(DIAGNOSTIC) 3300 TULIP_SETCTX(me, NULL); 3301#endif 3302 3303#if NBPFILTER > 0 3304 if (sc->tulip_bpf != NULL) { 3305 if (me == ms) { 3306 bpf_tap(sc->tulip_if.if_bpf, mtod(ms, caddr_t), 3307 total_len, BPF_DIRECTION_IN); 3308 } else 3309 bpf_mtap(sc->tulip_if.if_bpf, ms, BPF_DIRECTION_IN); 3310 } 3311#endif 3312 sc->tulip_flags |= TULIP_RXACT; 3313 accept = 1; 3314 } else { 3315 ifp->if_ierrors++; 3316 if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) 3317 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3318 else { 3319#ifdef TULIP_DEBUG 3320 const char *error = NULL; 3321 if (eop->d_status & TULIP_DSTS_RxTOOLONG) { 3322 sc->tulip_dot3stats.dot3StatsFrameTooLongs++; 3323 error = "frame too long"; 3324 } 3325 if (eop->d_status & TULIP_DSTS_RxBADCRC) { 3326 if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) { 3327 sc->tulip_dot3stats.dot3StatsAlignmentErrors++; 3328 error = "alignment error"; 3329 } else { 3330 sc->tulip_dot3stats.dot3StatsFCSErrors++; 3331 error = "bad crc"; 3332 } 3333 } 3334 if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) { 3335 printf(TULIP_PRINTF_FMT ": receive: %s: %s\n", 3336 TULIP_PRINTF_ARGS, 3337 ether_sprintf(mtod(ms, u_char *) + 6), 3338 error); 3339 sc->tulip_flags |= TULIP_NOMESSAGES; 3340 } 3341#endif 3342 } 3343 3344 map = TULIP_GETCTX(me, bus_dmamap_t); 3345 bus_dmamap_unload(sc->tulip_dmatag, map); 3346 tulip_free_rxmap(sc, map); 3347#if defined(DIAGNOSTIC) 3348 TULIP_SETCTX(me, NULL); 3349#endif 3350 } 3351#if defined(TULIP_DEBUG) 3352 cnt++; 3353#endif 3354 ifp->if_ipackets++; 3355 if (++eop == ri->ri_last) 3356 eop = ri->ri_first; 3357 ri->ri_nextin = eop; 3358 queue_mbuf: 3359 /* 3360 * Either we are priming the TULIP with mbufs (m == NULL) 3361 * or we are about to accept an mbuf for the upper layers 3362 * so we need to allocate an mbuf to replace it. If we 3363 * can't replace it, send up it anyways. This may cause 3364 * us to drop packets in the future but that's better than 3365 * being caught in livelock. 3366 * 3367 * Note that if this packet crossed multiple descriptors 3368 * we don't even try to reallocate all the mbufs here. 3369 * Instead we rely on the test of the beginning of 3370 * the loop to refill for the extra consumed mbufs. 3371 */ 3372 if (accept || ms == NULL) { 3373 struct mbuf *m0; 3374 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3375 if (m0 != NULL) { 3376#if defined(TULIP_COPY_RXDATA) 3377 if (!accept || total_len >= (MHLEN - 2)) { 3378#endif 3379 MCLGET(m0, M_DONTWAIT); 3380 if ((m0->m_flags & M_EXT) == 0) { 3381 m_freem(m0); 3382 m0 = NULL; 3383 } 3384#if defined(TULIP_COPY_RXDATA) 3385 } 3386#endif 3387 } 3388 if (accept 3389#if defined(TULIP_COPY_RXDATA) 3390 && m0 != NULL 3391#endif 3392 ) { 3393#if !defined(TULIP_COPY_RXDATA) 3394 ms->m_pkthdr.len = total_len; 3395 ms->m_pkthdr.rcvif = ifp; 3396 ether_input_mbuf(ifp, ms); 3397#else 3398 m0->m_data += 2; /* align data after header */ 3399 m_copydata(ms, 0, total_len, mtod(m0, caddr_t)); 3400 m0->m_len = m0->m_pkthdr.len = total_len; 3401 m0->m_pkthdr.rcvif = ifp; 3402 ether_input_mbuf(ifp, m0); 3403 m0 = ms; 3404#endif 3405 } 3406 ms = m0; 3407 } 3408 if (ms == NULL) { 3409 /* 3410 * Couldn't allocate a new buffer. Don't bother 3411 * trying to replenish the receive queue. 3412 */ 3413 fillok = 0; 3414 sc->tulip_flags |= TULIP_RXBUFSLOW; 3415#if defined(TULIP_DEBUG) 3416 sc->tulip_dbg.dbg_rxlowbufs++; 3417#endif 3418 TULIP_PERFEND(rxget); 3419 continue; 3420 } 3421 /* 3422 * Now give the buffer(s) to the TULIP and save in our 3423 * receive queue. 3424 */ 3425 do { 3426 tulip_desc_t * const nextout = ri->ri_nextout; 3427 if (sc->tulip_num_free_rxmaps > 0) { 3428 map = tulip_alloc_rxmap(sc); 3429 } else { 3430 m_freem(ms); 3431 sc->tulip_flags |= TULIP_RXBUFSLOW; 3432#if defined(TULIP_DEBUG) 3433 sc->tulip_dbg.dbg_rxlowbufs++; 3434#endif 3435 break; 3436 } 3437 TULIP_SETCTX(ms, map); 3438 error = bus_dmamap_load(sc->tulip_dmatag, map, mtod(ms, void *), 3439 TULIP_RX_BUFLEN, NULL, BUS_DMA_NOWAIT); 3440 if (error) { 3441 printf(TULIP_PRINTF_FMT ": unable to load rx map, " 3442 "error = %d\n", TULIP_PRINTF_ARGS, error); 3443 panic("tulip_rx_intr"); /* XXX */ 3444 } 3445 nextout->d_addr1 = map->dm_segs[0].ds_addr; 3446 nextout->d_length1 = map->dm_segs[0].ds_len; 3447 if (map->dm_nsegs == 2) { 3448 nextout->d_addr2 = map->dm_segs[1].ds_addr; 3449 nextout->d_length2 = map->dm_segs[1].ds_len; 3450 } else { 3451 nextout->d_addr2 = 0; 3452 nextout->d_length2 = 0; 3453 } 3454 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(*nextout)); 3455 nextout->d_status = TULIP_DSTS_OWNER; 3456 TULIP_RXDESC_POSTSYNC(sc, nextout, sizeof(u_int32_t)); 3457 if (++ri->ri_nextout == ri->ri_last) 3458 ri->ri_nextout = ri->ri_first; 3459 me = ms->m_next; 3460 ms->m_next = NULL; 3461 IF_ENQUEUE(&sc->tulip_rxq, ms); 3462 } while ((ms = me) != NULL); 3463 3464 if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET) 3465 sc->tulip_flags &= ~TULIP_RXBUFSLOW; 3466 TULIP_PERFEND(rxget); 3467 } 3468 3469#if defined(TULIP_DEBUG) 3470 sc->tulip_dbg.dbg_rxintrs++; 3471 sc->tulip_dbg.dbg_rxpktsperintr[cnt]++; 3472#endif 3473 TULIP_PERFEND(rxintr); 3474} 3475 3476int 3477tulip_tx_intr(tulip_softc_t * const sc) 3478{ 3479 TULIP_PERFSTART(txintr) 3480 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3481 struct mbuf *m; 3482 int xmits = 0; 3483 int descs = 0; 3484 3485 while (ri->ri_free < ri->ri_max) { 3486 u_int32_t d_flag; 3487 3488 TULIP_TXDESC_POSTSYNC(sc, ri->ri_nextin, sizeof(*ri->ri_nextin)); 3489 if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER) 3490 break; 3491 3492 ri->ri_free++; 3493 descs++; 3494 d_flag = ri->ri_nextin->d_flag; 3495 if (d_flag & TULIP_DFLAG_TxLASTSEG) { 3496 if (d_flag & TULIP_DFLAG_TxSETUPPKT) { 3497 /* 3498 * We've just finished processing a setup packet. 3499 * Mark that we finished it. If there's not 3500 * another pending, startup the TULIP receiver. 3501 * Make sure we ack the RXSTOPPED so we won't get 3502 * an abormal interrupt indication. 3503 */ 3504 TULIP_TXMAP_POSTSYNC(sc, sc->tulip_setupmap); 3505 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY); 3506 if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT) 3507 sc->tulip_flags |= TULIP_HASHONLY; 3508 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) { 3509 tulip_rx_intr(sc); 3510 sc->tulip_cmdmode |= TULIP_CMD_RXRUN; 3511 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED; 3512 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3513 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 3514 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3515 } 3516 } else { 3517 const u_int32_t d_status = ri->ri_nextin->d_status; 3518 IF_DEQUEUE(&sc->tulip_txq, m); 3519 if (m != NULL) { 3520 bus_dmamap_t map = TULIP_GETCTX(m, bus_dmamap_t); 3521 TULIP_TXMAP_POSTSYNC(sc, map); 3522 tulip_free_txmap(sc, map); 3523#if NBPFILTER > 0 3524 if (sc->tulip_bpf != NULL) 3525 bpf_mtap(sc->tulip_if.if_bpf, m, BPF_DIRECTION_OUT); 3526#endif 3527 m_freem(m); 3528 } 3529 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 3530 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK; 3531 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) { 3532#if defined(TULIP_DEBUG) 3533 if (d_status & TULIP_DSTS_TxNOCARR) 3534 sc->tulip_dbg.dbg_txprobe_nocarr++; 3535 if (d_status & TULIP_DSTS_TxEXCCOLL) 3536 sc->tulip_dbg.dbg_txprobe_exccoll++; 3537#endif 3538 event = TULIP_MEDIAPOLL_TXPROBE_FAILED; 3539 } 3540 (*sc->tulip_boardsw->bd_media_poll)(sc, event); 3541 /* 3542 * Escape from the loop before media poll has reset the TULIP! 3543 */ 3544 break; 3545 } else { 3546 xmits++; 3547 if (d_status & TULIP_DSTS_ERRSUM) { 3548 sc->tulip_if.if_oerrors++; 3549 if (d_status & TULIP_DSTS_TxEXCCOLL) 3550 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++; 3551 if (d_status & TULIP_DSTS_TxLATECOLL) 3552 sc->tulip_dot3stats.dot3StatsLateCollisions++; 3553 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS)) 3554 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++; 3555 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE)) 3556 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++; 3557 if (d_status & TULIP_DSTS_TxUNDERFLOW) 3558 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++; 3559 if (d_status & TULIP_DSTS_TxBABBLE) 3560 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++; 3561 } else { 3562 u_int32_t collisions = 3563 (d_status & TULIP_DSTS_TxCOLLMASK) 3564 >> TULIP_DSTS_V_TxCOLLCNT; 3565 sc->tulip_if.if_collisions += collisions; 3566 if (collisions == 1) 3567 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++; 3568 else if (collisions > 1) 3569 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++; 3570 else if (d_status & TULIP_DSTS_TxDEFERRED) 3571 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++; 3572 /* 3573 * SQE is only valid for 10baseT/BNC/AUI when not 3574 * running in full-duplex. In order to speed up the 3575 * test, the corresponding bit in tulip_flags needs to 3576 * set as well to get us to count SQE Test Errors. 3577 */ 3578 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags) 3579 sc->tulip_dot3stats.dot3StatsSQETestErrors++; 3580 } 3581 } 3582 } 3583 } 3584 3585 if (++ri->ri_nextin == ri->ri_last) 3586 ri->ri_nextin = ri->ri_first; 3587 3588 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3589 sc->tulip_if.if_flags &= ~IFF_OACTIVE; 3590 } 3591 /* 3592 * If nothing left to transmit, disable the timer. 3593 * Else if progress, reset the timer back to 2 ticks. 3594 */ 3595 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE)) 3596 sc->tulip_txtimer = 0; 3597 else if (xmits > 0) 3598 sc->tulip_txtimer = TULIP_TXTIMER; 3599 sc->tulip_if.if_opackets += xmits; 3600 TULIP_PERFEND(txintr); 3601 return (descs); 3602} 3603 3604void 3605tulip_print_abnormal_interrupt(tulip_softc_t * const sc, u_int32_t csr) 3606{ 3607#ifdef TULIP_DEBUG 3608 const char * const *msgp = tulip_status_bits; 3609 const char *sep; 3610 u_int32_t mask; 3611 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024\0"; 3612 3613 csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1; 3614 printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS); 3615 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) { 3616 if ((csr & mask) && *msgp != NULL) { 3617 printf("%s%s", sep, *msgp); 3618 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) { 3619 sc->tulip_flags &= ~TULIP_NEWTXTHRESH; 3620 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) 3621 printf(" (switching to store-and-forward mode)"); 3622 else { 3623 printf(" (raising TX threshold to %s)", 3624 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]); 3625 } 3626 } 3627 sep = ", "; 3628 } 3629 } 3630 printf("\n"); 3631#endif 3632} 3633 3634void 3635tulip_intr_handler(tulip_softc_t * const sc, int *progress_p) 3636{ 3637 TULIP_PERFSTART(intr) 3638 u_int32_t csr; 3639 3640 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) { 3641 *progress_p = 1; 3642 TULIP_CSR_WRITE(sc, csr_status, csr); 3643 3644 if (csr & TULIP_STS_SYSERROR) { 3645 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT; 3646 if (sc->tulip_flags & TULIP_NOMESSAGES) 3647 sc->tulip_flags |= TULIP_SYSTEMERROR; 3648 else { 3649#if defined(TULIP_DEBUG) 3650 printf(TULIP_PRINTF_FMT ": system error: %s\n", 3651 TULIP_PRINTF_ARGS, 3652 tulip_system_errors[sc->tulip_last_system_error]); 3653#endif 3654 } 3655 sc->tulip_flags |= TULIP_NEEDRESET; 3656 sc->tulip_system_errors++; 3657 break; 3658 } 3659 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) { 3660#if defined(TULIP_DEBUG) 3661 sc->tulip_dbg.dbg_link_intrs++; 3662#endif 3663 if (sc->tulip_boardsw->bd_media_poll != NULL) { 3664 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL 3665 ? TULIP_MEDIAPOLL_LINKFAIL 3666 : TULIP_MEDIAPOLL_LINKPASS); 3667 csr &= ~TULIP_STS_ABNRMLINTR; 3668 } 3669 tulip_media_print(sc); 3670 } 3671 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) { 3672 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames); 3673 if (csr & TULIP_STS_RXNOBUF) 3674 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF; 3675 /* 3676 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data 3677 * on receive overflows. 3678 */ 3679 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) { 3680 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++; 3681 /* 3682 * Stop the receiver process and spin until it's stopped. 3683 * Tell rx_intr to drop the packets it dequeues. 3684 */ 3685 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN); 3686 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0) 3687 ; 3688 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED); 3689 sc->tulip_flags |= TULIP_RXIGNORE; 3690 } 3691 tulip_rx_intr(sc); 3692 if (sc->tulip_flags & TULIP_RXIGNORE) { 3693 /* 3694 * Restart the receiver. 3695 */ 3696 sc->tulip_flags &= ~TULIP_RXIGNORE; 3697 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3698 } 3699 } 3700 if (csr & TULIP_STS_ABNRMLINTR) { 3701 u_int32_t tmp = csr & sc->tulip_intrmask 3702 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR); 3703 if (csr & TULIP_STS_TXUNDERFLOW) { 3704#if defined(TULIP_DEBUG) 3705 printf ("Underflow interrupt\n"); 3706#endif 3707 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) { 3708 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96; 3709 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3710 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) { 3711 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 3712 sc->tulip_flags |= TULIP_NEWTXTHRESH; 3713 } 3714 } 3715 if (sc->tulip_flags & TULIP_NOMESSAGES) 3716 sc->tulip_statusbits |= tmp; 3717 else { 3718 tulip_print_abnormal_interrupt(sc, tmp); 3719 sc->tulip_flags |= TULIP_NOMESSAGES; 3720 } 3721 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode); 3722 } 3723 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) { 3724 tulip_tx_intr(sc); 3725 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) 3726 tulip_ifstart(&sc->tulip_if); 3727 } 3728 } 3729 if (sc->tulip_flags & TULIP_NEEDRESET) { 3730 tulip_reset(sc); 3731 tulip_init(sc); 3732 } 3733 TULIP_PERFEND(intr); 3734} 3735 3736int 3737tulip_intr_shared(void *arg) 3738{ 3739 tulip_softc_t * sc = arg; 3740 int progress = 0; 3741 3742 for (; sc != NULL; sc = sc->tulip_slaves) { 3743#if defined(TULIP_DEBUG) 3744 sc->tulip_dbg.dbg_intrs++; 3745#endif 3746 tulip_intr_handler(sc, &progress); 3747 } 3748 return (progress); 3749} 3750 3751int 3752tulip_intr_normal(void *arg) 3753{ 3754 tulip_softc_t * sc = (tulip_softc_t *) arg; 3755 int progress = 0; 3756 3757#if defined(TULIP_DEBUG) 3758 sc->tulip_dbg.dbg_intrs++; 3759#endif 3760 tulip_intr_handler(sc, &progress); 3761 3762 return (progress); 3763} 3764 3765struct mbuf * 3766tulip_mbuf_compress(struct mbuf *m) 3767{ 3768 struct mbuf *m0; 3769#if MCLBYTES >= ETHERMTU + 18 3770 MGETHDR(m0, M_DONTWAIT, MT_DATA); 3771 if (m0 != NULL) { 3772 if (m->m_pkthdr.len > MHLEN) { 3773 MCLGET(m0, M_DONTWAIT); 3774 if ((m0->m_flags & M_EXT) == 0) { 3775 m_freem(m); 3776 m_freem(m0); 3777 return (NULL); 3778 } 3779 } 3780 m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t)); 3781 m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len; 3782 } 3783#else 3784 int mlen = MHLEN; 3785 int len = m->m_pkthdr.len; 3786 struct mbuf **mp = &m0; 3787 3788 while (len > 0) { 3789 if (mlen == MHLEN) 3790 MGETHDR(*mp, M_DONTWAIT, MT_DATA); 3791 else 3792 MGET(*mp, M_DONTWAIT, MT_DATA); 3793 if (*mp == NULL) { 3794 m_freem(m0); 3795 m0 = NULL; 3796 break; 3797 } 3798 if (len > MLEN) { 3799 MCLGET(*mp, M_DONTWAIT); 3800 if (((*mp)->m_flags & M_EXT) == 0) { 3801 m_freem(m0); 3802 m0 = NULL; 3803 break; 3804 } 3805 (*mp)->m_len = len <= MCLBYTES ? len : MCLBYTES; 3806 else 3807 (*mp)->m_len = len <= mlen ? len : mlen; 3808 m_copydata(m, m->m_pkthdr.len - len, 3809 (*mp)->m_len, mtod((*mp), caddr_t)); 3810 len -= (*mp)->m_len; 3811 mp = &(*mp)->m_next; 3812 mlen = MLEN; 3813 } 3814#endif 3815 m_freem(m); 3816 return (m0); 3817} 3818 3819struct mbuf * 3820tulip_txput(tulip_softc_t * const sc, struct mbuf *m) 3821{ 3822 TULIP_PERFSTART(txput) 3823 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 3824 tulip_desc_t *eop, *nextout; 3825 int segcnt, freedescs; 3826 u_int32_t d_status; 3827 bus_dmamap_t map; 3828 int error; 3829 struct ifnet *ifp = &sc->tulip_if; 3830 struct mbuf *ombuf = m; 3831 int compressed = 0; 3832 3833#if defined(TULIP_DEBUG) 3834 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 3835 printf(TULIP_PRINTF_FMT ": txput%s: tx not running\n", 3836 TULIP_PRINTF_ARGS, 3837 (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : ""); 3838 sc->tulip_flags |= TULIP_WANTTXSTART; 3839 sc->tulip_dbg.dbg_txput_finishes[0]++; 3840 goto finish; 3841 } 3842#endif 3843 3844 /* 3845 * Now we try to fill in our transmit descriptors. This is 3846 * a bit reminiscent of going on the Ark two by two 3847 * since each descriptor for the TULIP can describe 3848 * two buffers. So we advance through packet filling 3849 * each of the two entries at a time to to fill each 3850 * descriptor. Clear the first and last segment bits 3851 * in each descriptor (actually just clear everything 3852 * but the end-of-ring or chain bits) to make sure 3853 * we don't get messed up by previously sent packets. 3854 * 3855 * We may fail to put the entire packet on the ring if 3856 * there is either not enough ring entries free or if the 3857 * packet has more than MAX_TXSEG segments. In the former 3858 * case we will just wait for the ring to empty. In the 3859 * latter case we have to recopy. 3860 */ 3861 d_status = 0; 3862 eop = nextout = ri->ri_nextout; 3863 segcnt = 0; 3864 freedescs = ri->ri_free; 3865 3866 /* 3867 * Reclaim some DMA maps from if we are out. 3868 */ 3869 if (sc->tulip_num_free_txmaps == 0) { 3870#if defined(TULIP_DEBUG) 3871 sc->tulip_dbg.dbg_no_txmaps++; 3872#endif 3873 freedescs += tulip_tx_intr(sc); 3874 } 3875 if (sc->tulip_num_free_txmaps > 0) 3876 map = tulip_alloc_txmap(sc); 3877 else { 3878 sc->tulip_flags |= TULIP_WANTTXSTART; 3879#if defined(TULIP_DEBUG) 3880 sc->tulip_dbg.dbg_txput_finishes[1]++; 3881#endif 3882 goto finish; 3883 } 3884 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 3885 if (error != 0) { 3886 if (error == EFBIG) { 3887 /* 3888 * The packet exceeds the number of transmit buffer 3889 * entries that we can use for one packet, so we have 3890 * to recopy it into one mbuf and then try again. 3891 */ 3892 struct mbuf *tmp; 3893 /* 3894 * tulip_mbuf_compress() frees the original mbuf. 3895 * thus, we have to remove the mbuf from the queue 3896 * before calling it. 3897 * we don't have to worry about space shortage 3898 * after compressing the mbuf since the compressed 3899 * mbuf will take only two segs. 3900 */ 3901 if (compressed) { 3902 /* should not happen */ 3903#ifdef TULIP_DEBUG 3904 printf("tulip_txput: compress called twice!\n"); 3905#endif 3906 goto finish; 3907 } 3908 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3909 if (tmp != ombuf) 3910 panic("tulip_txput: different mbuf dequeued!"); 3911 compressed = 1; 3912 m = tulip_mbuf_compress(m); 3913 if (m == NULL) { 3914#if defined(TULIP_DEBUG) 3915 sc->tulip_dbg.dbg_txput_finishes[2]++; 3916#endif 3917 tulip_free_txmap(sc, map); 3918 goto finish; 3919 } 3920 error = bus_dmamap_load_mbuf(sc->tulip_dmatag, map, m, BUS_DMA_NOWAIT); 3921 } 3922 if (error != 0) { 3923 printf(TULIP_PRINTF_FMT ": unable to load tx map, " 3924 "error = %d\n", TULIP_PRINTF_ARGS, error); 3925#if defined(TULIP_DEBUG) 3926 sc->tulip_dbg.dbg_txput_finishes[3]++; 3927#endif 3928 tulip_free_txmap(sc, map); 3929 goto finish; 3930 } 3931 } 3932 if ((freedescs -= (map->dm_nsegs + 1) / 2) <= 0 3933 /* 3934 * See if there's any unclaimed space in the transmit ring. 3935 */ 3936 && (freedescs += tulip_tx_intr(sc)) <= 0) { 3937 /* 3938 * There's no more room but since nothing 3939 * has been committed at this point, just 3940 * show output is active, put back the 3941 * mbuf and return. 3942 */ 3943 sc->tulip_flags |= TULIP_WANTTXSTART; 3944#if defined(TULIP_DEBUG) 3945 sc->tulip_dbg.dbg_txput_finishes[4]++; 3946#endif 3947 bus_dmamap_unload(sc->tulip_dmatag, map); 3948 tulip_free_txmap(sc, map); 3949 goto finish; 3950 } 3951 for (; map->dm_nsegs - segcnt > 1; segcnt += 2) { 3952 eop = nextout; 3953 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3954 eop->d_status = d_status; 3955 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3956 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3957 eop->d_addr2 = map->dm_segs[segcnt+1].ds_addr; 3958 eop->d_length2 = map->dm_segs[segcnt+1].ds_len; 3959 d_status = TULIP_DSTS_OWNER; 3960 if (++nextout == ri->ri_last) 3961 nextout = ri->ri_first; 3962 } 3963 if (segcnt < map->dm_nsegs) { 3964 eop = nextout; 3965 eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 3966 eop->d_status = d_status; 3967 eop->d_addr1 = map->dm_segs[segcnt].ds_addr; 3968 eop->d_length1 = map->dm_segs[segcnt].ds_len; 3969 eop->d_addr2 = 0; 3970 eop->d_length2 = 0; 3971 if (++nextout == ri->ri_last) 3972 nextout = ri->ri_first; 3973 } 3974 TULIP_TXMAP_PRESYNC(sc, map); 3975 TULIP_SETCTX(m, map); 3976 map = NULL; 3977 3978 /* 3979 * The descriptors have been filled in. Now get ready 3980 * to transmit. 3981 */ 3982 if (!compressed && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0) { 3983 /* remove the mbuf from the queue */ 3984 struct mbuf *tmp; 3985 IFQ_DEQUEUE(&ifp->if_snd, tmp); 3986 if (tmp != ombuf) 3987 panic("tulip_txput: different mbuf dequeued!"); 3988 } 3989 3990 IF_ENQUEUE(&sc->tulip_txq, m); 3991 m = NULL; 3992 3993 /* 3994 * Make sure the next descriptor after this packet is owned 3995 * by us since it may have been set up above if we ran out 3996 * of room in the ring. 3997 */ 3998 nextout->d_status = 0; 3999 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4000 4001 /* 4002 * Mark the last and first segments, indicate we want a transmit 4003 * complete interrupt, and tell it to transmit! 4004 */ 4005 eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR; 4006 4007 /* 4008 * Note that ri->ri_nextout is still the start of the packet 4009 * and until we set the OWNER bit, we can still back out of 4010 * everything we have done. 4011 */ 4012 ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG; 4013 if (eop < ri->ri_nextout) { 4014 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4015 (caddr_t) ri->ri_last - (caddr_t) ri->ri_nextout); 4016 TULIP_TXDESC_PRESYNC(sc, ri->ri_first, 4017 (caddr_t) (eop + 1) - (caddr_t) ri->ri_first); 4018 } else { 4019 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, 4020 (caddr_t) (eop + 1) - (caddr_t) ri->ri_nextout); 4021 } 4022 ri->ri_nextout->d_status = TULIP_DSTS_OWNER; 4023 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4024 4025 /* 4026 * This advances the ring for us. 4027 */ 4028 ri->ri_nextout = nextout; 4029 ri->ri_free = freedescs; 4030 4031 TULIP_PERFEND(txput); 4032 4033 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) { 4034 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4035 sc->tulip_if.if_flags |= IFF_OACTIVE; 4036 sc->tulip_if.if_start = tulip_ifstart; 4037 TULIP_PERFEND(txput); 4038 return (NULL); 4039 } 4040 4041 /* 4042 * switch back to the single queueing ifstart. 4043 */ 4044 sc->tulip_flags &= ~TULIP_WANTTXSTART; 4045 if (sc->tulip_txtimer == 0) 4046 sc->tulip_txtimer = TULIP_TXTIMER; 4047#if defined(TULIP_DEBUG) 4048 sc->tulip_dbg.dbg_txput_finishes[5]++; 4049#endif 4050 4051 /* 4052 * If we want a txstart, there must be not enough space in the 4053 * transmit ring. So we want to enable transmit done interrupts 4054 * so we can immediately reclaim some space. When the transmit 4055 * interrupt is posted, the interrupt handler will call tx_intr 4056 * to reclaim space and then txstart (since WANTTXSTART is set). 4057 * txstart will move the packet into the transmit ring and clear 4058 * WANTTXSTART thereby causing TXINTR to be cleared. 4059 */ 4060 finish: 4061#if defined(TULIP_DEBUG) 4062 sc->tulip_dbg.dbg_txput_finishes[6]++; 4063#endif 4064 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) { 4065 sc->tulip_if.if_flags |= IFF_OACTIVE; 4066 sc->tulip_if.if_start = tulip_ifstart; 4067 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4068 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4069 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4070 } 4071 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) { 4072 if (sc->tulip_intrmask & TULIP_STS_TXINTR) { 4073 sc->tulip_intrmask &= ~TULIP_STS_TXINTR; 4074 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4075 } 4076 } 4077 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4078 TULIP_PERFEND(txput); 4079 return (m); 4080} 4081 4082void 4083tulip_txput_setup(tulip_softc_t * const sc) 4084{ 4085 tulip_ringinfo_t * const ri = &sc->tulip_txinfo; 4086 tulip_desc_t *nextout; 4087 4088 /* 4089 * We will transmit, at most, one setup packet per call to ifstart. 4090 */ 4091 4092#if defined(TULIP_DEBUG) 4093 if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) { 4094 printf(TULIP_PRINTF_FMT ": txput_setup: tx not running\n", 4095 TULIP_PRINTF_ARGS); 4096 sc->tulip_flags |= TULIP_WANTTXSTART; 4097 sc->tulip_if.if_start = tulip_ifstart; 4098 return; 4099 } 4100#endif 4101 /* 4102 * Try to reclaim some free descriptors.. 4103 */ 4104 if (ri->ri_free < 2) 4105 tulip_tx_intr(sc); 4106 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) { 4107 sc->tulip_flags |= TULIP_WANTTXSTART; 4108 sc->tulip_if.if_start = tulip_ifstart; 4109 return; 4110 } 4111 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf, 4112 sizeof(sc->tulip_setupbuf)); 4113 /* 4114 * Clear WANTSETUP and set DOINGSETUP. Set know that WANTSETUP is 4115 * set and DOINGSETUP is clear doing an XOR of the two will DTRT. 4116 */ 4117 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP; 4118 ri->ri_free--; 4119 nextout = ri->ri_nextout; 4120 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN; 4121 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG 4122 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR; 4123 if (sc->tulip_flags & TULIP_WANTHASHPERFECT) 4124 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT; 4125 else if (sc->tulip_flags & TULIP_WANTHASHONLY) 4126 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT; 4127 4128 nextout->d_length2 = 0; 4129 nextout->d_addr2 = 0; 4130 nextout->d_length1 = sc->tulip_setupmap->dm_segs[0].ds_len; 4131 nextout->d_addr1 = sc->tulip_setupmap->dm_segs[0].ds_addr; 4132 if (sc->tulip_setupmap->dm_nsegs == 2) { 4133 nextout->d_length2 = sc->tulip_setupmap->dm_segs[1].ds_len; 4134 nextout->d_addr2 = sc->tulip_setupmap->dm_segs[1].ds_addr; 4135 } 4136 TULIP_TXMAP_PRESYNC(sc, sc->tulip_setupmap); 4137 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(*nextout)); 4138 4139 /* 4140 * Advance the ring for the next transmit packet. 4141 */ 4142 if (++ri->ri_nextout == ri->ri_last) 4143 ri->ri_nextout = ri->ri_first; 4144 4145 /* 4146 * Make sure the next descriptor is owned by us since it 4147 * may have been set up above if we ran out of room in the 4148 * ring. 4149 */ 4150 ri->ri_nextout->d_status = 0; 4151 TULIP_TXDESC_PRESYNC(sc, ri->ri_nextout, sizeof(u_int32_t)); 4152 nextout->d_status = TULIP_DSTS_OWNER; 4153 /* 4154 * Flush the ownwership of the current descriptor 4155 */ 4156 TULIP_TXDESC_PRESYNC(sc, nextout, sizeof(u_int32_t)); 4157 TULIP_CSR_WRITE(sc, csr_txpoll, 1); 4158 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) { 4159 sc->tulip_intrmask |= TULIP_STS_TXINTR; 4160 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask); 4161 } 4162} 4163 4164/* 4165 * This routine is entered at splnet(). 4166 */ 4167int 4168tulip_ifioctl(struct ifnet * ifp, u_long cmd, caddr_t data) 4169{ 4170 TULIP_PERFSTART(ifioctl) 4171 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4172 struct ifaddr *ifa = (struct ifaddr *)data; 4173 struct ifreq *ifr = (struct ifreq *) data; 4174 int s; 4175 int error = 0; 4176 4177 s = splnet(); 4178 4179 switch (cmd) { 4180 case SIOCSIFADDR: { 4181 ifp->if_flags |= IFF_UP; 4182 tulip_init(sc); 4183 switch(ifa->ifa_addr->sa_family) { 4184#ifdef INET 4185 case AF_INET: { 4186 arp_ifinit(&sc->tulip_ac, ifa); 4187 break; 4188 } 4189#endif /* INET */ 4190 4191 default: { 4192 break; 4193 } 4194 } 4195 break; 4196 } 4197 4198 case SIOCSIFFLAGS: { 4199 tulip_init(sc); 4200 break; 4201 } 4202 4203 case SIOCSIFMEDIA: 4204 case SIOCGIFMEDIA: { 4205 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd); 4206 break; 4207 } 4208 4209 default: 4210 error = ether_ioctl(ifp, &sc->tulip_ac, cmd, data); 4211 } 4212 4213 if (error == ENETRESET) { 4214 if (ifp->if_flags & IFF_RUNNING) { 4215 tulip_addr_filter(sc); /* reset multicast filtering */ 4216 tulip_init(sc); 4217 } 4218 error = 0; 4219 } 4220 4221 splx(s); 4222 TULIP_PERFEND(ifioctl); 4223 return (error); 4224} 4225 4226/* 4227 * the original dequeueing policy is dequeue-and-prepend if something 4228 * goes wrong. when altq is used, it is changed to peek-and-dequeue. 4229 * the modification becomes a bit complicated since tulip_txput() might 4230 * copy and modify the mbuf passed. 4231 */ 4232/* 4233 * These routines gets called at device spl (from ether_output). 4234 */ 4235 4236void 4237tulip_ifstart(struct ifnet * const ifp) 4238{ 4239 TULIP_PERFSTART(ifstart) 4240 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4241 4242 if (sc->tulip_if.if_flags & IFF_RUNNING) { 4243 4244 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) 4245 tulip_txput_setup(sc); 4246 4247 while (!IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4248 struct mbuf *m, *m0; 4249 IFQ_POLL(&sc->tulip_if.if_snd, m); 4250 if (m == NULL) 4251 break; 4252 if ((m0 = tulip_txput(sc, m)) != NULL) { 4253 if (m0 != m) 4254 /* should not happen */ 4255 printf("tulip_if_start: txput failed!\n"); 4256 break; 4257 } 4258 } 4259#ifdef ALTQ 4260 if (0) /* don't switch to the one packet mode */ 4261#else 4262 if (IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) 4263#endif 4264 sc->tulip_if.if_start = tulip_ifstart_one; 4265 } 4266 4267 TULIP_PERFEND(ifstart); 4268} 4269 4270void 4271tulip_ifstart_one(struct ifnet * const ifp) 4272{ 4273 TULIP_PERFSTART(ifstart_one) 4274 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4275 4276 if ((sc->tulip_if.if_flags & IFF_RUNNING) 4277 && !IFQ_IS_EMPTY(&sc->tulip_if.if_snd)) { 4278 struct mbuf *m, *m0; 4279 IFQ_POLL(&sc->tulip_if.if_snd, m); 4280 if (m != NULL && (m0 = tulip_txput(sc, m)) != NULL) 4281 if (m0 != m) 4282 /* should not happen */ 4283 printf("tulip_if_start_one: txput failed!\n"); 4284 } 4285 TULIP_PERFEND(ifstart_one); 4286} 4287 4288void 4289tulip_ifwatchdog(struct ifnet *ifp) 4290{ 4291 TULIP_PERFSTART(ifwatchdog) 4292 tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp); 4293 4294#if defined(TULIP_DEBUG) 4295 u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs; 4296 if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz) 4297 sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs; 4298 sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs; 4299#endif /* TULIP_DEBUG */ 4300 4301 sc->tulip_if.if_timer = 1; 4302 /* 4303 * These should be rare so do a bulk test up front so we can just skip 4304 * them if needed. 4305 */ 4306 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) { 4307 /* 4308 * If the number of receive buffer is low, try to refill 4309 */ 4310 if (sc->tulip_flags & TULIP_RXBUFSLOW) 4311 tulip_rx_intr(sc); 4312 4313#if defined(TULIP_DEBUG) 4314 if (sc->tulip_flags & TULIP_SYSTEMERROR) { 4315 printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n", 4316 TULIP_PRINTF_ARGS, sc->tulip_system_errors, 4317 tulip_system_errors[sc->tulip_last_system_error]); 4318 } 4319#endif 4320 if (sc->tulip_statusbits) { 4321 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits); 4322 sc->tulip_statusbits = 0; 4323 } 4324 4325 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR); 4326 } 4327 4328 if (sc->tulip_txtimer) 4329 tulip_tx_intr(sc); 4330 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) { 4331 printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS); 4332 if (TULIP_DO_AUTOSENSE(sc)) { 4333 sc->tulip_media = TULIP_MEDIA_UNKNOWN; 4334 sc->tulip_probe_state = TULIP_PROBE_INACTIVE; 4335 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP); 4336 } 4337 tulip_reset(sc); 4338 tulip_init(sc); 4339 } 4340 4341 TULIP_PERFEND(ifwatchdog); 4342 TULIP_PERFMERGE(sc, perf_intr_cycles); 4343 TULIP_PERFMERGE(sc, perf_ifstart_cycles); 4344 TULIP_PERFMERGE(sc, perf_ifioctl_cycles); 4345 TULIP_PERFMERGE(sc, perf_ifwatchdog_cycles); 4346 TULIP_PERFMERGE(sc, perf_timeout_cycles); 4347 TULIP_PERFMERGE(sc, perf_ifstart_one_cycles); 4348 TULIP_PERFMERGE(sc, perf_txput_cycles); 4349 TULIP_PERFMERGE(sc, perf_txintr_cycles); 4350 TULIP_PERFMERGE(sc, perf_rxintr_cycles); 4351 TULIP_PERFMERGE(sc, perf_rxget_cycles); 4352 TULIP_PERFMERGE(sc, perf_intr); 4353 TULIP_PERFMERGE(sc, perf_ifstart); 4354 TULIP_PERFMERGE(sc, perf_ifioctl); 4355 TULIP_PERFMERGE(sc, perf_ifwatchdog); 4356 TULIP_PERFMERGE(sc, perf_timeout); 4357 TULIP_PERFMERGE(sc, perf_ifstart_one); 4358 TULIP_PERFMERGE(sc, perf_txput); 4359 TULIP_PERFMERGE(sc, perf_txintr); 4360 TULIP_PERFMERGE(sc, perf_rxintr); 4361 TULIP_PERFMERGE(sc, perf_rxget); 4362} 4363 4364/* 4365 * All printf's are real as of now! 4366 */ 4367#ifdef printf 4368#undef printf 4369#endif 4370 4371int 4372tulip_busdma_allocmem(tulip_softc_t * const sc, size_t size, 4373 bus_dmamap_t *map_p, tulip_desc_t **desc_p) 4374{ 4375 bus_dma_segment_t segs[1]; 4376 int nsegs, error; 4377 error = bus_dmamem_alloc(sc->tulip_dmatag, size, 1, PAGE_SIZE, 4378 segs, sizeof(segs)/sizeof(segs[0]), 4379 &nsegs, BUS_DMA_NOWAIT); 4380 if (error == 0) { 4381 void *desc; 4382 error = bus_dmamem_map(sc->tulip_dmatag, segs, nsegs, size, 4383 (void *) &desc, BUS_DMA_NOWAIT|BUS_DMA_COHERENT); 4384 if (error == 0) { 4385 bus_dmamap_t map; 4386 error = bus_dmamap_create(sc->tulip_dmatag, size, 1, size, 0, 4387 BUS_DMA_NOWAIT, &map); 4388 if (error == 0) { 4389 error = bus_dmamap_load(sc->tulip_dmatag, map, desc, 4390 size, NULL, BUS_DMA_NOWAIT); 4391 if (error) 4392 bus_dmamap_destroy(sc->tulip_dmatag, map); 4393 else 4394 *map_p = map; 4395 } 4396 if (error) 4397 bus_dmamem_unmap(sc->tulip_dmatag, desc, size); 4398 } 4399 if (error) 4400 bus_dmamem_free(sc->tulip_dmatag, segs, nsegs); 4401 else 4402 *desc_p = desc; 4403 } 4404 return (error); 4405} 4406 4407int 4408tulip_busdma_init(tulip_softc_t * const sc) 4409{ 4410 int error = 0; 4411 4412 /* 4413 * Allocate dmamap for setup descriptor 4414 */ 4415 error = bus_dmamap_create(sc->tulip_dmatag, sizeof(sc->tulip_setupbuf), 2, 4416 sizeof(sc->tulip_setupbuf), 0, BUS_DMA_NOWAIT, 4417 &sc->tulip_setupmap); 4418 if (error == 0) { 4419 error = bus_dmamap_load(sc->tulip_dmatag, sc->tulip_setupmap, 4420 sc->tulip_setupbuf, sizeof(sc->tulip_setupbuf), 4421 NULL, BUS_DMA_NOWAIT); 4422 if (error) 4423 bus_dmamap_destroy(sc->tulip_dmatag, sc->tulip_setupmap); 4424 } 4425 /* 4426 * Allocate space and dmamap for transmit ring 4427 */ 4428 if (error == 0) { 4429 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_TXDESCS, 4430 &sc->tulip_txdescmap, 4431 &sc->tulip_txdescs); 4432 } 4433 4434 /* 4435 * Allocate dmamaps for each transmit descriptor, and place on the 4436 * free list. 4437 */ 4438 if (error == 0) { 4439 while (error == 0 && sc->tulip_num_free_txmaps < TULIP_TXDESCS) { 4440 bus_dmamap_t map; 4441 if ((error = TULIP_TXMAP_CREATE(sc, &map)) == 0) 4442 tulip_free_txmap(sc, map); 4443 } 4444 if (error) { 4445 while (sc->tulip_num_free_txmaps > 0) 4446 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_txmap(sc)); 4447 } 4448 } 4449 4450 /* 4451 * Allocate space and dmamap for receive ring 4452 */ 4453 if (error == 0) { 4454 error = tulip_busdma_allocmem(sc, sizeof(tulip_desc_t) * TULIP_RXDESCS, 4455 &sc->tulip_rxdescmap, 4456 &sc->tulip_rxdescs); 4457 } 4458 4459 /* 4460 * Allocate dmamaps for each receive descriptor, and place on the 4461 * free list. 4462 */ 4463 if (error == 0) { 4464 while (error == 0 && sc->tulip_num_free_rxmaps < TULIP_RXDESCS) { 4465 bus_dmamap_t map; 4466 if ((error = TULIP_RXMAP_CREATE(sc, &map)) == 0) 4467 tulip_free_rxmap(sc, map); 4468 } 4469 if (error) { 4470 while (sc->tulip_num_free_rxmaps > 0) 4471 bus_dmamap_destroy(sc->tulip_dmatag, tulip_alloc_rxmap(sc)); 4472 } 4473 } 4474 return (error); 4475} 4476 4477void 4478tulip_initcsrs(tulip_softc_t * const sc, bus_addr_t csr_base, size_t csr_size) 4479{ 4480 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size; 4481 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size; 4482 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size; 4483 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size; 4484 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size; 4485 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size; 4486 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size; 4487 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size; 4488 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size; 4489 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size; 4490 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size; 4491 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size; 4492 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size; 4493 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size; 4494 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size; 4495 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size; 4496} 4497 4498void 4499tulip_initring(tulip_softc_t * const sc, tulip_ringinfo_t * const ri, 4500 tulip_desc_t *descs, int ndescs) 4501{ 4502 ri->ri_max = ndescs; 4503 ri->ri_first = descs; 4504 ri->ri_last = ri->ri_first + ri->ri_max; 4505 bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max); 4506 ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING; 4507} 4508 4509int 4510tulip_probe(struct device *parent, void *match, void *aux) 4511{ 4512 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 4513 4514 if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID) 4515 return (0); 4516 if (PCI_CHIPID(pa->pa_id) == CHIPID_21040 4517 || PCI_CHIPID(pa->pa_id) == CHIPID_21041 4518 || PCI_CHIPID(pa->pa_id) == CHIPID_21140 4519 || PCI_CHIPID(pa->pa_id) == CHIPID_21142) 4520 return (2); 4521 4522 return (0); 4523} 4524 4525void 4526tulip_shutdown(void *arg) 4527{ 4528 tulip_softc_t * const sc = arg; 4529 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4530 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at 4531 33MHz that comes to two microseconds but wait a 4532 bit longer anyways) */ 4533} 4534 4535void 4536tulip_attach(struct device * const parent, struct device * const self, void * const aux) 4537{ 4538 tulip_softc_t * const sc = (tulip_softc_t *) self; 4539 struct pci_attach_args * const pa = (struct pci_attach_args *) aux; 4540 struct ifnet * const ifp = &sc->tulip_if; 4541 const int unit = sc->tulip_dev.dv_unit; 4542 int retval, idx; 4543 u_int32_t revinfo, cfdainfo, id; 4544 unsigned csroffset = TULIP_PCI_CSROFFSET; 4545 unsigned csrsize = TULIP_PCI_CSRSIZE; 4546 bus_addr_t csr_base; 4547 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN; 4548 4549 if (unit >= TULIP_MAX_DEVICES) { 4550 printf(": not configured; limit of %d reached or exceeded\n", 4551 TULIP_MAX_DEVICES); 4552 return; 4553 } 4554 4555 revinfo = PCI_CONF_READ(PCI_CFRV) & 0xFF; 4556 id = PCI_CONF_READ(PCI_CFID); 4557 cfdainfo = PCI_CONF_READ(PCI_CFDA); 4558 4559 if (PCI_VENDORID(id) == DEC_VENDORID) { 4560 if (PCI_CHIPID(id) == CHIPID_21040) 4561 chipid = TULIP_21040; 4562 else if (PCI_CHIPID(id) == CHIPID_21041) 4563 chipid = TULIP_21041; 4564 else if (PCI_CHIPID(id) == CHIPID_21140) 4565 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140; 4566 else if (PCI_CHIPID(id) == CHIPID_21142) 4567 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142; 4568 } 4569 4570 if (chipid == TULIP_CHIPID_UNKNOWN) 4571 return; 4572 4573 if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) { 4574 printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n", 4575 revinfo >> 4, revinfo & 0x0f); 4576 return; 4577 } else if (chipid == TULIP_21140 && revinfo < 0x11) { 4578 printf(": not configured; 21140 pass 1.1 required (%d.%d found)\n", 4579 revinfo >> 4, revinfo & 0x0f); 4580 return; 4581 } 4582 4583 PCI_GETBUSDEVINFO(sc); 4584 sc->tulip_chipid = chipid; 4585 sc->tulip_flags |= TULIP_DEVICEPROBE; 4586 if (chipid == TULIP_21140 || chipid == TULIP_21140A) 4587 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD; 4588 if (chipid == TULIP_21140A && revinfo <= 0x22) 4589 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW; 4590 if (chipid == TULIP_21140) 4591 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH; 4592 if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140) 4593 sc->tulip_features |= TULIP_HAVE_POWERMGMT; 4594 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) { 4595 sc->tulip_features |= TULIP_HAVE_DUALSENSE; 4596 if (chipid != TULIP_21041 || revinfo >= 0x20) 4597 sc->tulip_features |= TULIP_HAVE_SIANWAY; 4598 if (chipid != TULIP_21041) 4599 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD; 4600 if (chipid != TULIP_21041 && revinfo >= 0x20) 4601 sc->tulip_features |= TULIP_HAVE_SIA100; 4602 } 4603 4604 if (sc->tulip_features & TULIP_HAVE_POWERMGMT 4605 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) { 4606 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE); 4607 PCI_CONF_WRITE(PCI_CFDA, cfdainfo); 4608 DELAY(11*1000); 4609 } 4610 4611 if (sc->tulip_features & TULIP_HAVE_STOREFWD) 4612 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD; 4613 4614 bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ); 4615 sc->tulip_if.if_softc = sc; 4616 sc->tulip_pc = pa->pa_pc; 4617 sc->tulip_dmatag = pa->pa_dmat; 4618 sc->tulip_revinfo = revinfo; 4619 4620 timeout_set(&sc->tulip_stmo, tulip_timeout_callback, sc); 4621 4622 csr_base = 0; 4623 { 4624 bus_space_tag_t iot, memt; 4625 bus_space_handle_t ioh, memh; 4626 int ioh_valid, memh_valid; 4627 4628 ioh_valid = (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0, 4629 &iot, &ioh, NULL, NULL, 0) == 0); 4630 memh_valid = (pci_mapreg_map(pa, PCI_CBMA, 4631 PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 4632 &memt, &memh, NULL, NULL, 0) == 0); 4633 4634 if (memh_valid) { 4635 sc->tulip_bustag = memt; 4636 sc->tulip_bushandle = memh; 4637 } else if (ioh_valid) { 4638 sc->tulip_bustag = iot; 4639 sc->tulip_bushandle = ioh; 4640 } else { 4641 printf(": unable to map device registers\n"); 4642 return; 4643 } 4644 } 4645 4646 tulip_initcsrs(sc, csr_base + csroffset, csrsize); 4647 4648 if ((retval = tulip_busdma_init(sc)) != 0) { 4649 printf(": error initing bus_dma: %d\n", retval); 4650 return; 4651 } 4652 4653 tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS); 4654 tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS); 4655 4656 /* 4657 * Make sure there won't be any interrupts or such... 4658 */ 4659 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET); 4660 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at 4661 33MHz that comes to two microseconds but wait a 4662 bit longer anyways) */ 4663 4664 if ((retval = tulip_read_macaddr(sc)) < 0) { 4665 printf(", %s%s pass %d.%d", sc->tulip_boardid, 4666 tulip_chipdescs[sc->tulip_chipid], 4667 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F); 4668 printf(": can't read ENET ROM (why=%d) (", retval); 4669 for (idx = 0; idx < 32; idx++) 4670 printf("%02x", sc->tulip_rombuf[idx]); 4671 printf(", address unknown\n"); 4672 } else { 4673 int (*intr_rtn)(void *) = tulip_intr_normal; 4674 4675 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR) 4676 intr_rtn = tulip_intr_shared; 4677 4678 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) { 4679 pci_intr_handle_t intrhandle; 4680 const char *intrstr; 4681 4682 if (pci_intr_map(pa, &intrhandle)) { 4683 printf(": couldn't map interrupt\n"); 4684 return; 4685 } 4686 4687 intrstr = pci_intr_string(pa->pa_pc, intrhandle); 4688 sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET, 4689 intr_rtn, sc, self->dv_xname); 4690 if (sc->tulip_ih == NULL) { 4691 printf(": couldn't establish interrupt"); 4692 if (intrstr != NULL) 4693 printf(" at %s", intrstr); 4694 printf("\n"); 4695 return; 4696 } 4697 4698 printf(", %s%s pass %d.%d%s: %s, address %s\n", 4699 sc->tulip_boardid, 4700 tulip_chipdescs[sc->tulip_chipid], 4701 (sc->tulip_revinfo & 0xF0) >> 4, 4702 sc->tulip_revinfo & 0x0F, 4703 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM)) 4704 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "", 4705 intrstr, ether_sprintf(sc->tulip_enaddr)); 4706 } 4707 4708 sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc); 4709 if (sc->tulip_ats == NULL) 4710 printf("%s: warning: couldn't establish shutdown hook\n", 4711 sc->tulip_xname); 4712 4713 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST; 4714 ifp->if_ioctl = tulip_ifioctl; 4715 ifp->if_start = tulip_ifstart; 4716 ifp->if_watchdog = tulip_ifwatchdog; 4717 ifp->if_timer = 1; 4718 4719 (*sc->tulip_boardsw->bd_media_probe)(sc); 4720 ifmedia_init(&sc->tulip_ifmedia, 0, 4721 tulip_ifmedia_change, tulip_ifmedia_status); 4722 sc->tulip_flags &= ~TULIP_DEVICEPROBE; 4723 tulip_ifmedia_add(sc); 4724 4725 tulip_reset(sc); 4726 4727 IFQ_SET_READY(&ifp->if_snd); 4728 if_attach(ifp); 4729 ether_ifattach(ifp); 4730 } 4731} 4732