1 /* $NetBSD: if_il.c,v 1.37 2021/08/01 15:29:30 andvar 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 1.37 2021/08/01 15:29:30 andvar 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 device_t 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 *, const 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_NEW(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; 140 141 bus_space_write_2(ua->ua_iot, ua->ua_ioh, IL_CSR, 142 ILC_OFFLINE | IL_CIE); 143 DELAY(100000); 144 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_dev = self; 164 sc->sc_iot = ua->ua_iot; 165 sc->sc_ioh = ua->ua_ioh; 166 sc->sc_dmat = ua->ua_dmat; 167 168 /* 169 * Map interrupt vectors and reset function. 170 */ 171 uba_intr_establish(ua->ua_icookie, ua->ua_cvec, ilcint, 172 sc, &sc->sc_cintrcnt); 173 evcnt_attach_dynamic(&sc->sc_cintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt, 174 device_xname(sc->sc_dev), "intr"); 175 uba_intr_establish(ua->ua_icookie, ua->ua_cvec-4, ilrint, 176 sc, &sc->sc_rintrcnt); 177 evcnt_attach_dynamic(&sc->sc_rintrcnt, EVCNT_TYPE_INTR, ua->ua_evcnt, 178 device_xname(sc->sc_dev), "intr"); 179 uba_reset_establish(ilreset, sc->sc_dev); 180 181 /* 182 * Reset the board and map the statistics 183 * buffer onto the Unibus. 184 */ 185 IL_WCSR(IL_CSR, ILC_RESET); 186 (void)ilwait(sc, "reset"); 187 sc->sc_ui.ui_size = sizeof(struct il_stats); 188 sc->sc_ui.ui_vaddr = (void *)&sc->sc_stats; 189 if ((error = uballoc(device_private(parent), &sc->sc_ui, 0))) 190 return printf(": failed uballoc, error = %d\n", error); 191 192 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 193 IL_WCSR(IL_BCR, sizeof(struct il_stats)); 194 IL_WCSR(IL_CSR, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA) | ILC_STAT); 195 (void)ilwait(sc, "status"); 196 ubfree(device_private(parent), &sc->sc_ui); 197 printf("%s: module=%s firmware=%s\n", device_xname(sc->sc_dev), 198 sc->sc_stats.ils_module, sc->sc_stats.ils_firmware); 199 printf("%s: hardware address %s\n", device_xname(sc->sc_dev), 200 ether_sprintf(sc->sc_stats.ils_addr)); 201 202 strlcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 203 ifp->if_softc = sc; 204 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 205 ifp->if_init = ilinit; 206 ifp->if_stop = ilstop; 207 ifp->if_ioctl = ether_ioctl; 208 ifp->if_start = ilstart; 209 ifp->if_watchdog = ilwatch; 210 IFQ_SET_READY(&ifp->if_snd); 211 212 if_attach(ifp); 213 ether_ifattach(ifp, sc->sc_stats.ils_addr); 214 } 215 216 void 217 ilstop(struct ifnet *ifp, int a) 218 { 219 struct il_softc *sc = ifp->if_softc; 220 221 IL_WCSR(IL_CSR, ILC_RESET); 222 } 223 224 225 int 226 ilwait(struct il_softc *sc, const char *op) 227 { 228 229 while ((IL_RCSR(IL_CSR)&IL_CDONE) == 0) 230 ; 231 if (IL_RCSR(IL_CSR)&IL_STATUS) { 232 char bits[64]; 233 234 snprintb(bits, sizeof(bits), IL_BITS, IL_RCSR(IL_CSR)); 235 aprint_error_dev(sc->sc_dev, "%s failed, csr=%s\n", op, bits); 236 return -1; 237 } 238 return 0; 239 } 240 241 /* 242 * Reset of interface after UNIBUS reset. 243 * If interface is on specified uba, reset its state. 244 */ 245 void 246 ilreset(device_t dev) 247 { 248 struct il_softc *sc = (void *)dev; 249 250 printf(" %s", device_xname(sc->sc_dev)); 251 sc->sc_if.if_flags &= ~IFF_RUNNING; 252 sc->sc_flags &= ~ILF_RUNNING; 253 ilinit(&sc->sc_if); 254 } 255 256 /* 257 * Initialization of interface; clear recorded pending 258 * operations, and reinitialize UNIBUS usage. 259 */ 260 int 261 ilinit(struct ifnet *ifp) 262 { 263 struct il_softc *sc = ifp->if_softc; 264 int s; 265 266 if (sc->sc_flags & ILF_RUNNING) 267 return 0; 268 269 if ((ifp->if_flags & IFF_RUNNING) == 0) { 270 if (if_ubainit(&sc->sc_ifuba, 271 device_private(device_parent(sc->sc_dev)), 272 ETHER_MAX_LEN)) { 273 aprint_error_dev(sc->sc_dev, "can't initialize\n"); 274 sc->sc_if.if_flags &= ~IFF_UP; 275 return 0; 276 } 277 sc->sc_ui.ui_size = sizeof(sc->sc_isu); 278 sc->sc_ui.ui_vaddr = (void *)&sc->sc_isu; 279 uballoc(device_private(device_parent(sc->sc_dev)), 280 &sc->sc_ui, 0); 281 } 282 sc->sc_scaninterval = ILWATCHINTERVAL; 283 ifp->if_timer = sc->sc_scaninterval; 284 285 /* 286 * Turn off source address insertion (it's faster this way), 287 * and set board online. Former doesn't work if board is 288 * already online (happens on ubareset), so we put it offline 289 * first. 290 */ 291 s = splnet(); 292 IL_WCSR(IL_CSR, ILC_RESET); 293 if (ilwait(sc, "hardware diag")) { 294 sc->sc_if.if_flags &= ~IFF_UP; 295 goto out; 296 } 297 IL_WCSR(IL_CSR, ILC_CISA); 298 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 299 ; 300 /* 301 * If we must reprogram this board's physical ethernet 302 * address (as for secondary XNS interfaces), we do so 303 * before putting it on line, and starting receive requests. 304 * If you try this on an older 1010 board, it will total 305 * wedge the board. 306 */ 307 if (sc->sc_flags & ILF_SETADDR) { 308 memcpy(&sc->sc_isu, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 309 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 310 IL_WCSR(IL_BCR, ETHER_ADDR_LEN); 311 IL_WCSR(IL_CSR, 312 ((sc->sc_ui.ui_baddr >> 2) & IL_EUA) | ILC_LDPA); 313 if (ilwait(sc, "setaddr")) 314 goto out; 315 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 316 IL_WCSR(IL_BCR, sizeof (struct il_stats)); 317 IL_WCSR(IL_CSR, 318 ((sc->sc_ui.ui_baddr >> 2) & IL_EUA) | ILC_STAT); 319 if (ilwait(sc, "verifying setaddr")) 320 goto out; 321 if (memcmp(sc->sc_stats.ils_addr, 322 CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN) != 0) { 323 aprint_error_dev(sc->sc_dev, "setaddr didn't work\n"); 324 goto out; 325 } 326 } 327 if (sc->sc_if.if_flags & IFF_PROMISC) { 328 IL_WCSR(IL_CSR, ILC_PRMSC); 329 if (ilwait(sc, "all multi")) 330 goto out; 331 } else if (sc->sc_if.if_flags & IFF_ALLMULTI) { 332 too_many_multis: 333 IL_WCSR(IL_CSR, ILC_ALLMC); 334 if (ilwait(sc, "all multi")) 335 goto out; 336 } else { 337 int i; 338 struct ethercom *ec = &sc->sc_ec; 339 register struct ether_addr *ep = sc->sc_maddrs; 340 struct ether_multi *enm; 341 struct ether_multistep step; 342 /* 343 * Step through our list of multicast addresses. If we have 344 * too many multicast addresses, or if we have to listen to 345 * a range of multicast addresses, turn on reception of all 346 * multicasts. 347 */ 348 i = 0; 349 ETHER_LOCK(ec); 350 ETHER_FIRST_MULTI(step, ec, enm); 351 while (enm != NULL) { 352 if (++i > 63 /* && k != 0 */) { 353 break; 354 } 355 *ep++ = *(struct ether_addr *)enm->enm_addrlo; 356 ETHER_NEXT_MULTI(step, enm); 357 } 358 ETHER_UNLOCK(ec); 359 if (i == 0) { 360 /* no multicasts! */ 361 } else if (i <= 63) { 362 IL_WCSR(IL_BAR, sc->sc_ubaddr & 0xffff); 363 IL_WCSR(IL_BCR, i * sizeof(struct ether_addr)); 364 IL_WCSR(IL_CSR, 365 ((sc->sc_ubaddr >> 2) & IL_EUA) | ILC_LDGRPS); 366 if (ilwait(sc, "load multi")) 367 goto out; 368 } else { 369 sc->sc_if.if_flags |= IFF_ALLMULTI; 370 goto too_many_multis; 371 } 372 } 373 /* 374 * Set board online. 375 * Hang receive buffer and start any pending 376 * writes by faking a transmit complete. 377 * Receive bcr is not a multiple of 8 so buffer 378 * chaining can't happen. 379 */ 380 IL_WCSR(IL_CSR, ILC_ONLINE); 381 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 382 ; 383 384 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 385 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 386 IL_WCSR(IL_CSR, 387 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA) | ILC_RCV | IL_RIE); 388 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 389 ; 390 ifp->if_flags |= IFF_RUNNING | IFF_OACTIVE; 391 sc->sc_flags |= ILF_RUNNING; 392 sc->sc_lastcmd = 0; 393 ilcint(sc); 394 out: 395 splx(s); 396 return 0; 397 } 398 399 /* 400 * Start output on interface. 401 * Get another datagram to send off of the interface queue, 402 * and map it to the interface before starting the output. 403 */ 404 void 405 ilstart(struct ifnet *ifp) 406 { 407 struct il_softc *sc = ifp->if_softc; 408 int len; 409 struct mbuf *m; 410 short csr; 411 412 IFQ_DEQUEUE(&ifp->if_snd, m); 413 if (m == 0) { 414 if ((sc->sc_flags & ILF_STATPENDING) == 0) 415 return; 416 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 417 IL_WCSR(IL_BCR, sizeof (struct il_stats)); 418 csr = ((sc->sc_ui.ui_baddr >> 2) & IL_EUA) 419 | ILC_STAT | IL_RIE | IL_CIE; 420 sc->sc_flags &= ~ILF_STATPENDING; 421 goto startcmd; 422 } 423 len = if_wubaput(&sc->sc_ifuba, m); 424 #ifdef notdef 425 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 426 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_w.ifrw_bdp); 427 #endif 428 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_w.ifrw_info)); 429 IL_WCSR(IL_BCR, len); 430 csr = ((sc->sc_ifuba.ifu_w.ifrw_info >> 2) & IL_EUA) 431 | ILC_XMIT | IL_CIE | IL_RIE; 432 433 startcmd: 434 sc->sc_lastcmd = csr & IL_CMD; 435 IL_WCSR(IL_CSR, csr); 436 ifp->if_flags |= IFF_OACTIVE; 437 return; 438 } 439 440 /* 441 * Command done interrupt. 442 */ 443 void 444 ilcint(void *arg) 445 { 446 struct il_softc *sc = arg; 447 short csr; 448 449 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) { 450 char bits[64]; 451 452 snprintb(bits, sizeof(bits), IL_BITS, IL_RCSR(IL_CSR)); 453 aprint_error_dev(sc->sc_dev, 454 "stray xmit interrupt, csr=%s\n", bits); 455 return; 456 } 457 458 csr = IL_RCSR(IL_CSR); 459 /* 460 * Hang receive buffer if it couldn't 461 * be done earlier (in ilrint). 462 */ 463 if (sc->sc_flags & ILF_RCVPENDING) { 464 int s; 465 466 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 467 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 468 IL_WCSR(IL_CSR, ((sc->sc_ifuba.ifu_r.ifrw_info>>2) & IL_EUA) 469 | ILC_RCV | IL_RIE); 470 s = splhigh(); 471 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 472 ; 473 splx(s); 474 sc->sc_flags &= ~ILF_RCVPENDING; 475 } 476 sc->sc_if.if_flags &= ~IFF_OACTIVE; 477 csr &= IL_STATUS; 478 switch (sc->sc_lastcmd) { 479 480 case ILC_XMIT: 481 sc->sc_if.if_opackets++; 482 if (csr > ILERR_RETRIES) 483 sc->sc_if.if_oerrors++; 484 break; 485 486 case ILC_STAT: 487 if (csr == ILERR_SUCCESS) 488 iltotal(sc); 489 break; 490 } 491 if_wubaend(&sc->sc_ifuba); 492 ilstart(&sc->sc_if); 493 } 494 495 /* 496 * Ethernet interface receiver interrupt. 497 * If input error just drop packet. 498 * Otherwise purge input buffered data path and examine 499 * packet to determine type. If can't determine length 500 * from type, then have to drop packet. Otherwise decapsulate 501 * packet based on type and pass to type specific higher-level 502 * input routine. 503 */ 504 void 505 ilrint(void *arg) 506 { 507 struct il_softc *sc = arg; 508 struct il_rheader *il; 509 struct mbuf *m; 510 int len, s; 511 512 #ifdef notyet 513 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 514 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_r.ifrw_bdp); 515 #endif 516 il = (struct il_rheader *)(sc->sc_ifuba.ifu_r.ifrw_addr); 517 len = il->ilr_length - sizeof(struct il_rheader); 518 if ((il->ilr_status&(ILFSTAT_A | ILFSTAT_C)) || len < 46 || 519 len > ETHERMTU) { 520 sc->sc_if.if_ierrors++; 521 #ifdef notdef 522 if (sc->sc_if.if_ierrors % 100 == 0) 523 printf("il%d: += 100 input errors\n", unit); 524 #endif 525 goto setup; 526 } 527 528 if (len == 0) 529 goto setup; 530 531 /* 532 * Pull packet off interface. 533 */ 534 m = if_rubaget(&sc->sc_ifuba, &sc->sc_if, len); 535 if (m == NULL) 536 goto setup; 537 538 /* Shave off status hdr */ 539 m_adj(m, 4); 540 if_percpuq_enqueue((&sc->sc_if)->if_percpuq, m); 541 setup: 542 /* 543 * Reset for next packet if possible. 544 * If waiting for transmit command completion, set flag 545 * and wait until command completes. 546 */ 547 if (sc->sc_if.if_flags & IFF_OACTIVE) { 548 sc->sc_flags |= ILF_RCVPENDING; 549 return; 550 } 551 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 552 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 553 IL_WCSR(IL_CSR, 554 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA) | ILC_RCV | IL_RIE); 555 s = splhigh(); 556 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 557 ; 558 splx(s); 559 } 560 /* 561 * Watchdog routine, request statistics from board. 562 */ 563 void 564 ilwatch(struct ifnet *ifp) 565 { 566 struct il_softc *sc = ifp->if_softc; 567 int s; 568 569 if (sc->sc_flags & ILF_STATPENDING) { 570 ifp->if_timer = sc->sc_scaninterval; 571 return; 572 } 573 s = splnet(); 574 sc->sc_flags |= ILF_STATPENDING; 575 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) 576 ilstart(ifp); 577 splx(s); 578 ifp->if_timer = sc->sc_scaninterval; 579 } 580 581 /* 582 * Total up the on-board statistics. 583 */ 584 void 585 iltotal(struct il_softc *sc) 586 { 587 struct ifnet *ifp = &sc->sc_if; 588 u_short *interval, *sum, *end; 589 590 interval = &sc->sc_stats.ils_frames; 591 sum = &sc->sc_sum.ils_frames; 592 end = sc->sc_sum.ils_fill2; 593 while (sum < end) 594 *sum++ += *interval++; 595 sc->sc_if.if_collisions = sc->sc_sum.ils_collis; 596 if ((sc->sc_flags & ILF_SETADDR) && 597 (memcmp(sc->sc_stats.ils_addr, CLLADDR(ifp->if_sadl), 598 ETHER_ADDR_LEN) != 0)) { 599 log(LOG_ERR, "%s: physaddr reverted\n", 600 device_xname(sc->sc_dev)); 601 sc->sc_flags &= ~ILF_RUNNING; 602 ilinit(&sc->sc_if); 603 } 604 } 605 606 #ifdef notyet 607 /* 608 * set ethernet address for unit 609 */ 610 void 611 il_setaddr(u_char *physaddr, struct il_softc *sc) 612 { 613 if (! (sc->sc_flags & ILF_RUNNING)) 614 return; 615 616 memcpy((void *)is->is_addr, (void *)physaddr, sizeof is->is_addr); 617 sc->sc_flags &= ~ILF_RUNNING; 618 sc->sc_flags |= ILF_SETADDR; 619 ilinit(&sc->sc_if); 620 } 621 #endif 622
Indexes created Fri Sep 26 08:10:20 GMT 2025