1 /* $NetBSD: if_il.c,v 1.25 2010/02/02 14:58:46 wiz Exp $ */ 2 /* 3 * Copyright (c) 1982, 1986 Regents of the University of California. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the University nor the names of its contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * @(#)if_il.c 7.8 (Berkeley) 12/16/90 31 */ 32 33 /* 34 * Interlan Ethernet Communications Controller interface 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: if_il.c,v 1.25 2010/02/02 14:58:46 wiz Exp $"); 39 40 #include "opt_inet.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/buf.h> 46 #include <sys/protosw.h> 47 #include <sys/socket.h> 48 #include <sys/ioctl.h> 49 #include <sys/errno.h> 50 #include <sys/syslog.h> 51 #include <sys/device.h> 52 53 #include <net/if.h> 54 #include <net/if_ether.h> 55 #include <net/if_dl.h> 56 57 #ifdef INET 58 #include <netinet/in.h> 59 #endif 60 61 62 #include <sys/bus.h> 63 64 #include <dev/qbus/ubareg.h> 65 #include <dev/qbus/ubavar.h> 66 #include <dev/qbus/if_uba.h> 67 68 #include <dev/qbus/if_il.h> 69 #include <dev/qbus/if_ilreg.h> 70 71 /* 72 * Ethernet software status per interface. 73 * 74 * Each interface is referenced by a network interface structure, 75 * is_if, which the routing code uses to locate the interface. 76 * This structure contains the output queue for the interface, its address, ... 77 * We also have, for each interface, a UBA interface structure, which 78 * contains information about the UNIBUS resources held by the interface: 79 * map registers, buffered data paths, etc. Information is cached in this 80 * structure for use by the if_uba.c routines in running the interface 81 * efficiently. 82 */ 83 84 struct il_softc { 85 struct device sc_dev; /* Configuration common part */ 86 struct ethercom sc_ec; /* Ethernet common part */ 87 #define sc_if sc_ec.ec_if /* network-visible interface */ 88 struct evcnt sc_cintrcnt; /* Command interrupts */ 89 struct evcnt sc_rintrcnt; /* Receive interrupts */ 90 bus_space_tag_t sc_iot; 91 bus_addr_t sc_ioh; 92 bus_dma_tag_t sc_dmat; 93 struct ubinfo sc_ui; 94 95 struct ifuba sc_ifuba; /* UNIBUS resources */ 96 int sc_flags; 97 #define ILF_RCVPENDING 0x2 /* start rcv in ilcint */ 98 #define ILF_STATPENDING 0x4 /* stat cmd pending */ 99 #define ILF_RUNNING 0x8 /* board is running */ 100 #define ILF_SETADDR 0x10 /* physical address is changed */ 101 short sc_lastcmd; /* can't read csr, so must save it */ 102 short sc_scaninterval; /* interval of stat collection */ 103 #define ILWATCHINTERVAL 60 /* once every 60 seconds */ 104 union { 105 struct il_stats isu_stats; /* holds on-board statistics */ 106 struct ether_addr isu_maddrs[63]; /* multicast addrs */ 107 } sc_isu; 108 #define sc_stats sc_isu.isu_stats 109 #define sc_maddrs sc_isu.isu_maddrs 110 struct il_stats sc_sum; /* summation over time */ 111 int sc_ubaddr; /* mapping registers of is_stats */ 112 }; 113 114 static int ilmatch(device_t, cfdata_t, void *); 115 static void ilattach(device_t, device_t, void *); 116 static void ilcint(void *); 117 static void ilrint(void *); 118 static void ilreset(device_t); 119 static int ilwait(struct il_softc *, char *); 120 static int ilinit(struct ifnet *); 121 static void ilstart(struct ifnet *); 122 static void ilwatch(struct ifnet *); 123 static void iltotal(struct il_softc *); 124 static void ilstop(struct ifnet *, int); 125 126 CFATTACH_DECL(il, sizeof(struct il_softc), 127 ilmatch, ilattach, NULL, NULL); 128 129 #define IL_WCSR(csr, val) \ 130 bus_space_write_2(sc->sc_iot, sc->sc_ioh, csr, val) 131 #define IL_RCSR(csr) \ 132 bus_space_read_2(sc->sc_iot, sc->sc_ioh, csr) 133 #define LOWORD(x) ((int)(x) & 0xffff) 134 #define HIWORD(x) (((int)(x) >> 16) & 0x3) 135 136 int 137 ilmatch(device_t parent, cfdata_t cf, void *aux) 138 { 139 struct uba_attach_args *ua = aux; 140 volatile int i; 141 142 bus_space_write_2(ua->ua_iot, ua->ua_ioh, IL_CSR, ILC_OFFLINE|IL_CIE); 143 DELAY(100000); 144 i = bus_space_read_2(ua->ua_iot, ua->ua_ioh, IL_CSR); /* clear CDONE */ 145 146 return 1; 147 } 148 149 /* 150 * Interface exists: make available by filling in network interface 151 * record. System will initialize the interface when it is ready 152 * to accept packets. A STATUS command is done to get the ethernet 153 * address and other interesting data. 154 */ 155 void 156 ilattach(device_t parent, device_t self, void *aux) 157 { 158 struct uba_attach_args *ua = aux; 159 struct il_softc *sc = device_private(self); 160 struct ifnet *ifp = &sc->sc_if; 161 int error; 162 163 sc->sc_iot = ua->ua_iot; 164 sc->sc_ioh = ua->ua_ioh; 165 sc->sc_dmat = ua->ua_dmat; 166 167 /* 168 * Map interrupt vectors and reset function. 169 */ 170 uba_intr_establish(ua->ua_icookie, ua->ua_cvec, ilcint, 171 sc, &sc->sc_cintrcnt); 172 evcnt_attach_dynamic(&sc->sc_cintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt, 173 device_xname(&sc->sc_dev), "intr"); 174 uba_intr_establish(ua->ua_icookie, ua->ua_cvec-4, ilrint, 175 sc, &sc->sc_rintrcnt); 176 evcnt_attach_dynamic(&sc->sc_rintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt, 177 device_xname(&sc->sc_dev), "intr"); 178 uba_reset_establish(ilreset, &sc->sc_dev); 179 180 /* 181 * Reset the board and map the statistics 182 * buffer onto the Unibus. 183 */ 184 IL_WCSR(IL_CSR, ILC_RESET); 185 (void)ilwait(sc, "reset"); 186 sc->sc_ui.ui_size = sizeof(struct il_stats); 187 sc->sc_ui.ui_vaddr = (void *)&sc->sc_stats; 188 if ((error = uballoc((struct uba_softc *)parent, &sc->sc_ui, 0))) 189 return printf(": failed uballoc, error = %d\n", error); 190 191 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 192 IL_WCSR(IL_BCR, sizeof(struct il_stats)); 193 IL_WCSR(IL_CSR, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_STAT); 194 (void)ilwait(sc, "status"); 195 ubfree((struct uba_softc *)parent, &sc->sc_ui); 196 printf("%s: module=%s firmware=%s\n", device_xname(&sc->sc_dev), 197 sc->sc_stats.ils_module, sc->sc_stats.ils_firmware); 198 printf("%s: hardware address %s\n", device_xname(&sc->sc_dev), 199 ether_sprintf(sc->sc_stats.ils_addr)); 200 201 strlcpy(ifp->if_xname, device_xname(&sc->sc_dev), IFNAMSIZ); 202 ifp->if_softc = sc; 203 ifp->if_flags = IFF_BROADCAST; 204 ifp->if_init = ilinit; 205 ifp->if_stop = ilstop; 206 ifp->if_ioctl = ether_ioctl; 207 ifp->if_start = ilstart; 208 ifp->if_watchdog = ilwatch; 209 IFQ_SET_READY(&ifp->if_snd); 210 211 if_attach(ifp); 212 ether_ifattach(ifp, sc->sc_stats.ils_addr); 213 } 214 215 void 216 ilstop(struct ifnet *ifp, int a) 217 { 218 struct il_softc *sc = ifp->if_softc; 219 220 IL_WCSR(IL_CSR, ILC_RESET); 221 } 222 223 224 int 225 ilwait(struct il_softc *sc, char *op) 226 { 227 228 while ((IL_RCSR(IL_CSR)&IL_CDONE) == 0) 229 ; 230 if (IL_RCSR(IL_CSR)&IL_STATUS) { 231 char bits[64]; 232 233 snprintb(bits, sizeof(bits), IL_BITS, IL_RCSR(IL_CSR)); 234 aprint_error_dev(&sc->sc_dev, "%s failed, csr=%s\n", op, bits); 235 return (-1); 236 } 237 return (0); 238 } 239 240 /* 241 * Reset of interface after UNIBUS reset. 242 * If interface is on specified uba, reset its state. 243 */ 244 void 245 ilreset(device_t dev) 246 { 247 struct il_softc *sc = (void *)dev; 248 249 printf(" %s", device_xname(&sc->sc_dev)); 250 sc->sc_if.if_flags &= ~IFF_RUNNING; 251 sc->sc_flags &= ~ILF_RUNNING; 252 ilinit(&sc->sc_if); 253 } 254 255 /* 256 * Initialization of interface; clear recorded pending 257 * operations, and reinitialize UNIBUS usage. 258 */ 259 int 260 ilinit(struct ifnet *ifp) 261 { 262 struct il_softc *sc = ifp->if_softc; 263 int s; 264 265 if (sc->sc_flags & ILF_RUNNING) 266 return 0; 267 268 if ((ifp->if_flags & IFF_RUNNING) == 0) { 269 if (if_ubainit(&sc->sc_ifuba, 270 (void *)device_parent(&sc->sc_dev), 271 ETHER_MAX_LEN)) { 272 aprint_error_dev(&sc->sc_dev, "can't initialize\n"); 273 sc->sc_if.if_flags &= ~IFF_UP; 274 return 0; 275 } 276 sc->sc_ui.ui_size = sizeof(sc->sc_isu); 277 sc->sc_ui.ui_vaddr = (void *)&sc->sc_isu; 278 uballoc((void *)device_parent(&sc->sc_dev), &sc->sc_ui, 0); 279 } 280 sc->sc_scaninterval = ILWATCHINTERVAL; 281 ifp->if_timer = sc->sc_scaninterval; 282 283 /* 284 * Turn off source address insertion (it's faster this way), 285 * and set board online. Former doesn't work if board is 286 * already online (happens on ubareset), so we put it offline 287 * first. 288 */ 289 s = splnet(); 290 IL_WCSR(IL_CSR, ILC_RESET); 291 if (ilwait(sc, "hardware diag")) { 292 sc->sc_if.if_flags &= ~IFF_UP; 293 splx(s); 294 return 0; 295 } 296 IL_WCSR(IL_CSR, ILC_CISA); 297 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 298 ; 299 /* 300 * If we must reprogram this board's physical ethernet 301 * address (as for secondary XNS interfaces), we do so 302 * before putting it on line, and starting receive requests. 303 * If you try this on an older 1010 board, it will total 304 * wedge the board. 305 */ 306 if (sc->sc_flags & ILF_SETADDR) { 307 memcpy(&sc->sc_isu, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 308 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 309 IL_WCSR(IL_BCR, ETHER_ADDR_LEN); 310 IL_WCSR(IL_CSR, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_LDPA); 311 if (ilwait(sc, "setaddr")) 312 return 0; 313 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 314 IL_WCSR(IL_BCR, sizeof (struct il_stats)); 315 IL_WCSR(IL_CSR, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_STAT); 316 if (ilwait(sc, "verifying setaddr")) 317 return 0; 318 if (memcmp(sc->sc_stats.ils_addr, 319 CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN) != 0) { 320 aprint_error_dev(&sc->sc_dev, "setaddr didn't work\n"); 321 return 0; 322 } 323 } 324 #ifdef MULTICAST 325 if (is->is_if.if_flags & IFF_PROMISC) { 326 addr->il_csr = ILC_PRMSC; 327 if (ilwait(ui, "all multi")) 328 return 0; 329 } else if (is->is_if.if_flags & IFF_ALLMULTI) { 330 too_many_multis: 331 addr->il_csr = ILC_ALLMC; 332 if (ilwait(ui, "all multi")) 333 return 0; 334 else { 335 int i; 336 register struct ether_addr *ep = is->is_maddrs; 337 struct ether_multi *enm; 338 struct ether_multistep step; 339 /* 340 * Step through our list of multicast addresses. If we have 341 * too many multicast addresses, or if we have to listen to 342 * a range of multicast addresses, turn on reception of all 343 * multicasts. 344 */ 345 i = 0; 346 ETHER_FIRST_MULTI(step, &is->is_ac, enm); 347 while (enm != NULL) { 348 if (++i > 63 && k != 0) { 349 break; 350 } 351 *ep++ = *(struct ether_addr *)enm->enm_addrlo; 352 ETHER_NEXT_MULTI(step, enm); 353 } 354 if (i = 0) { 355 /* no multicasts! */ 356 } else if (i <= 63) { 357 addr->il_bar = is->is_ubaddr & 0xffff; 358 addr->il_bcr = i * sizeof (struct ether_addr); 359 addr->il_csr = ((is->is_ubaddr >> 2) & IL_EUA)| 360 LC_LDGRPS; 361 if (ilwait(ui, "load multi")) 362 return; 363 } else { 364 is->is_if.if_flags |= IFF_ALLMULTI; 365 goto too_many_multis; 366 } 367 } 368 #endif /* MULTICAST */ 369 /* 370 * Set board online. 371 * Hang receive buffer and start any pending 372 * writes by faking a transmit complete. 373 * Receive bcr is not a multiple of 8 so buffer 374 * chaining can't happen. 375 */ 376 IL_WCSR(IL_CSR, ILC_ONLINE); 377 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 378 ; 379 380 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 381 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 382 IL_WCSR(IL_CSR, 383 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA)|ILC_RCV|IL_RIE); 384 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 385 ; 386 ifp->if_flags |= IFF_RUNNING | IFF_OACTIVE; 387 sc->sc_flags |= ILF_RUNNING; 388 sc->sc_lastcmd = 0; 389 ilcint(sc); 390 splx(s); 391 return 0; 392 } 393 394 /* 395 * Start output on interface. 396 * Get another datagram to send off of the interface queue, 397 * and map it to the interface before starting the output. 398 */ 399 void 400 ilstart(struct ifnet *ifp) 401 { 402 struct il_softc *sc = ifp->if_softc; 403 int len; 404 struct mbuf *m; 405 short csr; 406 407 IFQ_DEQUEUE(&ifp->if_snd, m); 408 if (m == 0) { 409 if ((sc->sc_flags & ILF_STATPENDING) == 0) 410 return; 411 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 412 IL_WCSR(IL_BCR, sizeof (struct il_stats)); 413 csr = ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_STAT|IL_RIE|IL_CIE; 414 sc->sc_flags &= ~ILF_STATPENDING; 415 goto startcmd; 416 } 417 len = if_wubaput(&sc->sc_ifuba, m); 418 #ifdef notdef 419 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 420 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_w.ifrw_bdp); 421 #endif 422 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_w.ifrw_info)); 423 IL_WCSR(IL_BCR, len); 424 csr = 425 ((sc->sc_ifuba.ifu_w.ifrw_info >> 2) & IL_EUA)|ILC_XMIT|IL_CIE|IL_RIE; 426 427 startcmd: 428 sc->sc_lastcmd = csr & IL_CMD; 429 IL_WCSR(IL_CSR, csr); 430 ifp->if_flags |= IFF_OACTIVE; 431 return; 432 } 433 434 /* 435 * Command done interrupt. 436 */ 437 void 438 ilcint(void *arg) 439 { 440 struct il_softc *sc = arg; 441 short csr; 442 443 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) { 444 char bits[64]; 445 446 snprintb(bits, sizeof(bits), IL_BITS, IL_RCSR(IL_CSR)); 447 aprint_error_dev(&sc->sc_dev, 448 "stray xmit interrupt, csr=%s\n", bits); 449 return; 450 } 451 452 csr = IL_RCSR(IL_CSR); 453 /* 454 * Hang receive buffer if it couldn't 455 * be done earlier (in ilrint). 456 */ 457 if (sc->sc_flags & ILF_RCVPENDING) { 458 int s; 459 460 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 461 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 462 IL_WCSR(IL_CSR, 463 ((sc->sc_ifuba.ifu_r.ifrw_info>>2) & IL_EUA)|ILC_RCV|IL_RIE); 464 s = splhigh(); 465 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 466 ; 467 splx(s); 468 sc->sc_flags &= ~ILF_RCVPENDING; 469 } 470 sc->sc_if.if_flags &= ~IFF_OACTIVE; 471 csr &= IL_STATUS; 472 switch (sc->sc_lastcmd) { 473 474 case ILC_XMIT: 475 sc->sc_if.if_opackets++; 476 if (csr > ILERR_RETRIES) 477 sc->sc_if.if_oerrors++; 478 break; 479 480 case ILC_STAT: 481 if (csr == ILERR_SUCCESS) 482 iltotal(sc); 483 break; 484 } 485 if_wubaend(&sc->sc_ifuba); 486 ilstart(&sc->sc_if); 487 } 488 489 /* 490 * Ethernet interface receiver interrupt. 491 * If input error just drop packet. 492 * Otherwise purge input buffered data path and examine 493 * packet to determine type. If can't determine length 494 * from type, then have to drop packet. Othewise decapsulate 495 * packet based on type and pass to type specific higher-level 496 * input routine. 497 */ 498 void 499 ilrint(void *arg) 500 { 501 struct il_softc *sc = arg; 502 struct il_rheader *il; 503 struct mbuf *m; 504 int len, s; 505 506 sc->sc_if.if_ipackets++; 507 #ifdef notyet 508 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 509 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_r.ifrw_bdp); 510 #endif 511 il = (struct il_rheader *)(sc->sc_ifuba.ifu_r.ifrw_addr); 512 len = il->ilr_length - sizeof(struct il_rheader); 513 if ((il->ilr_status&(ILFSTAT_A|ILFSTAT_C)) || len < 46 || 514 len > ETHERMTU) { 515 sc->sc_if.if_ierrors++; 516 #ifdef notdef 517 if (sc->sc_if.if_ierrors % 100 == 0) 518 printf("il%d: += 100 input errors\n", unit); 519 #endif 520 goto setup; 521 } 522 523 if (len == 0) 524 goto setup; 525 526 /* 527 * Pull packet off interface. 528 */ 529 m = if_rubaget(&sc->sc_ifuba, &sc->sc_if, len); 530 if (m == NULL) 531 goto setup; 532 533 /* Shave off status hdr */ 534 m_adj(m, 4); 535 (*sc->sc_if.if_input)(&sc->sc_if, m); 536 setup: 537 /* 538 * Reset for next packet if possible. 539 * If waiting for transmit command completion, set flag 540 * and wait until command completes. 541 */ 542 if (sc->sc_if.if_flags & IFF_OACTIVE) { 543 sc->sc_flags |= ILF_RCVPENDING; 544 return; 545 } 546 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 547 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 548 IL_WCSR(IL_CSR, 549 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA)|ILC_RCV|IL_RIE); 550 s = splhigh(); 551 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 552 ; 553 splx(s); 554 } 555 /* 556 * Watchdog routine, request statistics from board. 557 */ 558 void 559 ilwatch(struct ifnet *ifp) 560 { 561 struct il_softc *sc = ifp->if_softc; 562 int s; 563 564 if (sc->sc_flags & ILF_STATPENDING) { 565 ifp->if_timer = sc->sc_scaninterval; 566 return; 567 } 568 s = splnet(); 569 sc->sc_flags |= ILF_STATPENDING; 570 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) 571 ilstart(ifp); 572 splx(s); 573 ifp->if_timer = sc->sc_scaninterval; 574 } 575 576 /* 577 * Total up the on-board statistics. 578 */ 579 void 580 iltotal(struct il_softc *sc) 581 { 582 struct ifnet *ifp = &sc->sc_if; 583 u_short *interval, *sum, *end; 584 585 interval = &sc->sc_stats.ils_frames; 586 sum = &sc->sc_sum.ils_frames; 587 end = sc->sc_sum.ils_fill2; 588 while (sum < end) 589 *sum++ += *interval++; 590 sc->sc_if.if_collisions = sc->sc_sum.ils_collis; 591 if ((sc->sc_flags & ILF_SETADDR) && 592 (memcmp(sc->sc_stats.ils_addr, CLLADDR(ifp->if_sadl), 593 ETHER_ADDR_LEN) != 0)) { 594 log(LOG_ERR, "%s: physaddr reverted\n", device_xname(&sc->sc_dev)); 595 sc->sc_flags &= ~ILF_RUNNING; 596 ilinit(&sc->sc_if); 597 } 598 } 599 600 #ifdef notyet 601 /* 602 * set ethernet address for unit 603 */ 604 void 605 il_setaddr(u_char *physaddr, struct il_softc *sc) 606 { 607 if (! (sc->sc_flags & ILF_RUNNING)) 608 return; 609 610 memcpy((void *)is->is_addr, (void *)physaddr, sizeof is->is_addr); 611 sc->sc_flags &= ~ILF_RUNNING; 612 sc->sc_flags |= ILF_SETADDR; 613 ilinit(&sc->sc_if); 614 } 615 #endif 616