1 /* $NetBSD: if_il.c,v 1.15 2006/09/07 02:40:33 dogcow 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 1.15 2006/09/07 02:40:33 dogcow 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 <machine/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(struct device *, struct cfdata *, void *); 115 static void ilattach(struct device *, struct device *, void *); 116 static void ilcint(void *); 117 static void ilrint(void *); 118 static void ilreset(struct device *); 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(struct device *parent, struct cfdata *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(struct device *parent, struct device *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 sc->sc_dev.dv_xname, "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 sc->sc_dev.dv_xname, "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 = (caddr_t)&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", sc->sc_dev.dv_xname, 197 sc->sc_stats.ils_module, sc->sc_stats.ils_firmware); 198 printf("%s: hardware address %s\n", sc->sc_dev.dv_xname, 199 ether_sprintf(sc->sc_stats.ils_addr)); 200 201 strcpy(ifp->if_xname, sc->sc_dev.dv_xname); 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 printf("%s: %s failed, csr=%s\n", sc->sc_dev.dv_xname, op, 234 bitmask_snprintf(IL_RCSR(IL_CSR), IL_BITS, bits, 235 sizeof(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(struct device *dev) 247 { 248 struct il_softc *sc = (void *)dev; 249 250 printf(" %s", sc->sc_dev.dv_xname); 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 (void *)device_parent(&sc->sc_dev), 272 ETHER_MAX_LEN)) { 273 printf("%s: can't initialize\n", sc->sc_dev.dv_xname); 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 = (caddr_t)&sc->sc_isu; 279 uballoc((void *)device_parent(&sc->sc_dev), &sc->sc_ui, 0); 280 } 281 sc->sc_scaninterval = ILWATCHINTERVAL; 282 ifp->if_timer = sc->sc_scaninterval; 283 284 /* 285 * Turn off source address insertion (it's faster this way), 286 * and set board online. Former doesn't work if board is 287 * already online (happens on ubareset), so we put it offline 288 * first. 289 */ 290 s = splnet(); 291 IL_WCSR(IL_CSR, ILC_RESET); 292 if (ilwait(sc, "hardware diag")) { 293 sc->sc_if.if_flags &= ~IFF_UP; 294 splx(s); 295 return 0; 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 bcopy((caddr_t)LLADDR(ifp->if_sadl), 309 (caddr_t)&sc->sc_isu, ETHER_ADDR_LEN); 310 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 311 IL_WCSR(IL_BCR, ETHER_ADDR_LEN); 312 IL_WCSR(IL_CSR, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_LDPA); 313 if (ilwait(sc, "setaddr")) 314 return 0; 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, ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_STAT); 318 if (ilwait(sc, "verifying setaddr")) 319 return 0; 320 if (memcmp((caddr_t)sc->sc_stats.ils_addr, 321 (caddr_t)LLADDR(ifp->if_sadl), ETHER_ADDR_LEN) != 0) { 322 printf("%s: setaddr didn't work\n", 323 sc->sc_dev.dv_xname); 324 return 0; 325 } 326 } 327 #ifdef MULTICAST 328 if (is->is_if.if_flags & IFF_PROMISC) { 329 addr->il_csr = ILC_PRMSC; 330 if (ilwait(ui, "all multi")) 331 return 0; 332 } else if (is->is_if.if_flags & IFF_ALLMULTI) { 333 too_many_multis: 334 addr->il_csr = ILC_ALLMC; 335 if (ilwait(ui, "all multi")) 336 return 0; 337 else { 338 int i; 339 register struct ether_addr *ep = is->is_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_FIRST_MULTI(step, &is->is_ac, enm); 350 while (enm != NULL) { 351 if (++i > 63 && k != 0) { 352 break; 353 } 354 *ep++ = *(struct ether_addr *)enm->enm_addrlo; 355 ETHER_NEXT_MULTI(step, enm); 356 } 357 if (i = 0) { 358 /* no multicasts! */ 359 } else if (i <= 63) { 360 addr->il_bar = is->is_ubaddr & 0xffff; 361 addr->il_bcr = i * sizeof (struct ether_addr); 362 addr->il_csr = ((is->is_ubaddr >> 2) & IL_EUA)| 363 LC_LDGRPS; 364 if (ilwait(ui, "load multi")) 365 return; 366 } else { 367 is->is_if.if_flags |= IFF_ALLMULTI; 368 goto too_many_multis; 369 } 370 } 371 #endif /* MULTICAST */ 372 /* 373 * Set board online. 374 * Hang receive buffer and start any pending 375 * writes by faking a transmit complete. 376 * Receive bcr is not a multiple of 8 so buffer 377 * chaining can't happen. 378 */ 379 IL_WCSR(IL_CSR, ILC_ONLINE); 380 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 381 ; 382 383 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 384 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 385 IL_WCSR(IL_CSR, 386 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA)|ILC_RCV|IL_RIE); 387 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 388 ; 389 ifp->if_flags |= IFF_RUNNING | IFF_OACTIVE; 390 sc->sc_flags |= ILF_RUNNING; 391 sc->sc_lastcmd = 0; 392 ilcint(sc); 393 splx(s); 394 return 0; 395 } 396 397 /* 398 * Start output on interface. 399 * Get another datagram to send off of the interface queue, 400 * and map it to the interface before starting the output. 401 */ 402 void 403 ilstart(struct ifnet *ifp) 404 { 405 struct il_softc *sc = ifp->if_softc; 406 int len; 407 struct mbuf *m; 408 short csr; 409 410 IFQ_DEQUEUE(&ifp->if_snd, m); 411 if (m == 0) { 412 if ((sc->sc_flags & ILF_STATPENDING) == 0) 413 return; 414 IL_WCSR(IL_BAR, LOWORD(sc->sc_ui.ui_baddr)); 415 IL_WCSR(IL_BCR, sizeof (struct il_stats)); 416 csr = ((sc->sc_ui.ui_baddr >> 2) & IL_EUA)|ILC_STAT|IL_RIE|IL_CIE; 417 sc->sc_flags &= ~ILF_STATPENDING; 418 goto startcmd; 419 } 420 len = if_wubaput(&sc->sc_ifuba, m); 421 #ifdef notdef 422 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 423 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_w.ifrw_bdp); 424 #endif 425 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_w.ifrw_info)); 426 IL_WCSR(IL_BCR, len); 427 csr = 428 ((sc->sc_ifuba.ifu_w.ifrw_info >> 2) & IL_EUA)|ILC_XMIT|IL_CIE|IL_RIE; 429 430 startcmd: 431 sc->sc_lastcmd = csr & IL_CMD; 432 IL_WCSR(IL_CSR, csr); 433 ifp->if_flags |= IFF_OACTIVE; 434 return; 435 } 436 437 /* 438 * Command done interrupt. 439 */ 440 void 441 ilcint(void *arg) 442 { 443 struct il_softc *sc = arg; 444 short csr; 445 446 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) { 447 char bits[64]; 448 449 printf("%s: stray xmit interrupt, csr=%s\n", 450 sc->sc_dev.dv_xname, 451 bitmask_snprintf(IL_RCSR(IL_CSR), IL_BITS, bits, 452 sizeof(bits))); 453 return; 454 } 455 456 csr = IL_RCSR(IL_CSR); 457 /* 458 * Hang receive buffer if it couldn't 459 * be done earlier (in ilrint). 460 */ 461 if (sc->sc_flags & ILF_RCVPENDING) { 462 int s; 463 464 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 465 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 466 IL_WCSR(IL_CSR, 467 ((sc->sc_ifuba.ifu_r.ifrw_info>>2) & IL_EUA)|ILC_RCV|IL_RIE); 468 s = splhigh(); 469 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 470 ; 471 splx(s); 472 sc->sc_flags &= ~ILF_RCVPENDING; 473 } 474 sc->sc_if.if_flags &= ~IFF_OACTIVE; 475 csr &= IL_STATUS; 476 switch (sc->sc_lastcmd) { 477 478 case ILC_XMIT: 479 sc->sc_if.if_opackets++; 480 if (csr > ILERR_RETRIES) 481 sc->sc_if.if_oerrors++; 482 break; 483 484 case ILC_STAT: 485 if (csr == ILERR_SUCCESS) 486 iltotal(sc); 487 break; 488 } 489 if_wubaend(&sc->sc_ifuba); 490 ilstart(&sc->sc_if); 491 } 492 493 /* 494 * Ethernet interface receiver interrupt. 495 * If input error just drop packet. 496 * Otherwise purge input buffered data path and examine 497 * packet to determine type. If can't determine length 498 * from type, then have to drop packet. Othewise decapsulate 499 * packet based on type and pass to type specific higher-level 500 * input routine. 501 */ 502 void 503 ilrint(void *arg) 504 { 505 struct il_softc *sc = arg; 506 struct il_rheader *il; 507 struct mbuf *m; 508 int len, s; 509 510 sc->sc_if.if_ipackets++; 511 #ifdef notyet 512 if (sc->sc_ifuba.ifu_flags & UBA_NEEDBDP) 513 UBAPURGE(is->is_ifuba.ifu_uba, is->is_ifuba.ifu_r.ifrw_bdp); 514 #endif 515 il = (struct il_rheader *)(sc->sc_ifuba.ifu_r.ifrw_addr); 516 len = il->ilr_length - sizeof(struct il_rheader); 517 if ((il->ilr_status&(ILFSTAT_A|ILFSTAT_C)) || len < 46 || 518 len > ETHERMTU) { 519 sc->sc_if.if_ierrors++; 520 #ifdef notdef 521 if (sc->sc_if.if_ierrors % 100 == 0) 522 printf("il%d: += 100 input errors\n", unit); 523 #endif 524 goto setup; 525 } 526 527 if (len == 0) 528 goto setup; 529 530 /* 531 * Pull packet off interface. 532 */ 533 m = if_rubaget(&sc->sc_ifuba, &sc->sc_if, len); 534 if (m == NULL) 535 goto setup; 536 537 /* Shave off status hdr */ 538 m_adj(m, 4); 539 (*sc->sc_if.if_input)(&sc->sc_if, m); 540 setup: 541 /* 542 * Reset for next packet if possible. 543 * If waiting for transmit command completion, set flag 544 * and wait until command completes. 545 */ 546 if (sc->sc_if.if_flags & IFF_OACTIVE) { 547 sc->sc_flags |= ILF_RCVPENDING; 548 return; 549 } 550 IL_WCSR(IL_BAR, LOWORD(sc->sc_ifuba.ifu_r.ifrw_info)); 551 IL_WCSR(IL_BCR, sizeof(struct il_rheader) + ETHERMTU + 6); 552 IL_WCSR(IL_CSR, 553 ((sc->sc_ifuba.ifu_r.ifrw_info >> 2) & IL_EUA)|ILC_RCV|IL_RIE); 554 s = splhigh(); 555 while ((IL_RCSR(IL_CSR) & IL_CDONE) == 0) 556 ; 557 splx(s); 558 } 559 /* 560 * Watchdog routine, request statistics from board. 561 */ 562 void 563 ilwatch(struct ifnet *ifp) 564 { 565 struct il_softc *sc = ifp->if_softc; 566 int s; 567 568 if (sc->sc_flags & ILF_STATPENDING) { 569 ifp->if_timer = sc->sc_scaninterval; 570 return; 571 } 572 s = splnet(); 573 sc->sc_flags |= ILF_STATPENDING; 574 if ((sc->sc_if.if_flags & IFF_OACTIVE) == 0) 575 ilstart(ifp); 576 splx(s); 577 ifp->if_timer = sc->sc_scaninterval; 578 } 579 580 /* 581 * Total up the on-board statistics. 582 */ 583 void 584 iltotal(struct il_softc *sc) 585 { 586 struct ifnet *ifp = &sc->sc_if; 587 u_short *interval, *sum, *end; 588 589 interval = &sc->sc_stats.ils_frames; 590 sum = &sc->sc_sum.ils_frames; 591 end = sc->sc_sum.ils_fill2; 592 while (sum < end) 593 *sum++ += *interval++; 594 sc->sc_if.if_collisions = sc->sc_sum.ils_collis; 595 if ((sc->sc_flags & ILF_SETADDR) && 596 (memcmp((caddr_t)sc->sc_stats.ils_addr, LLADDR(ifp->if_sadl), 597 ETHER_ADDR_LEN) != 0)) { 598 log(LOG_ERR, "%s: physaddr reverted\n", sc->sc_dev.dv_xname); 599 sc->sc_flags &= ~ILF_RUNNING; 600 ilinit(&sc->sc_if); 601 } 602 } 603 604 #ifdef notyet 605 /* 606 * set ethernet address for unit 607 */ 608 void 609 il_setaddr(u_char *physaddr, struct il_softc *sc) 610 { 611 if (! (sc->sc_flags & ILF_RUNNING)) 612 return; 613 614 bcopy((caddr_t)physaddr, (caddr_t)is->is_addr, sizeof is->is_addr); 615 sc->sc_flags &= ~ILF_RUNNING; 616 sc->sc_flags |= ILF_SETADDR; 617 ilinit(&sc->sc_if); 618 } 619 #endif 620