Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/am79900.c
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /* $NetBSD: am79900.c,v 1.13 2004/03/24 18:22:47 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1992, 1993 41 * The Regents of the University of California. All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * Ralph Campbell and Rick Macklem. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 71 */ 72 73 /*- 74 * Copyright (c) 1998 75 * Matthias Drochner. All rights reserved. 76 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 77 * 78 * This code is derived from software contributed to Berkeley by 79 * Ralph Campbell and Rick Macklem. 80 * 81 * Redistribution and use in source and binary forms, with or without 82 * modification, are permitted provided that the following conditions 83 * are met: 84 * 1. Redistributions of source code must retain the above copyright 85 * notice, this list of conditions and the following disclaimer. 86 * 2. Redistributions in binary form must reproduce the above copyright 87 * notice, this list of conditions and the following disclaimer in the 88 * documentation and/or other materials provided with the distribution. 89 * 3. All advertising materials mentioning features or use of this software 90 * must display the following acknowledgement: 91 * This product includes software developed by the University of 92 * California, Berkeley and its contributors. 93 * 4. Neither the name of the University nor the names of its contributors 94 * may be used to endorse or promote products derived from this software 95 * without specific prior written permission. 96 * 97 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 98 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 99 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 100 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 101 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 102 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 103 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 104 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 105 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 106 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 107 * SUCH DAMAGE. 108 * 109 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 110 */ 111 112 #include <sys/cdefs.h> 113 __KERNEL_RCSID(0, "$NetBSD: am79900.c,v 1.13 2004/03/24 18:22:47 thorpej Exp $"); 114 115 #include "bpfilter.h" 116 #include "rnd.h" 117 118 #include <sys/param.h> 119 #include <sys/systm.h> 120 #include <sys/mbuf.h> 121 #include <sys/syslog.h> 122 #include <sys/socket.h> 123 #include <sys/device.h> 124 #include <sys/malloc.h> 125 #include <sys/ioctl.h> 126 #include <sys/errno.h> 127 #if NRND > 0 128 #include <sys/rnd.h> 129 #endif 130 131 #include <net/if.h> 132 #include <net/if_dl.h> 133 #include <net/if_ether.h> 134 #include <net/if_media.h> 135 136 #if NBPFILTER > 0 137 #include <net/bpf.h> 138 #include <net/bpfdesc.h> 139 #endif 140 141 #include <dev/ic/lancereg.h> 142 #include <dev/ic/lancevar.h> 143 #include <dev/ic/am79900reg.h> 144 #include <dev/ic/am79900var.h> 145 146 void am79900_meminit __P((struct lance_softc *)); 147 void am79900_start __P((struct ifnet *)); 148 149 #if defined(_KERNEL_OPT) 150 #include "opt_ddb.h" 151 #endif 152 153 #ifdef DDB 154 #define integrate 155 #define hide 156 #else 157 #define integrate static __inline 158 #define hide static 159 #endif 160 161 integrate void am79900_rint __P((struct lance_softc *)); 162 integrate void am79900_tint __P((struct lance_softc *)); 163 164 #ifdef LEDEBUG 165 void am79900_recv_print __P((struct lance_softc *, int)); 166 void am79900_xmit_print __P((struct lance_softc *, int)); 167 #endif 168 169 #define ifp (&sc->sc_ethercom.ec_if) 170 171 void 172 am79900_config(sc) 173 struct am79900_softc *sc; 174 { 175 int mem, i; 176 177 sc->lsc.sc_meminit = am79900_meminit; 178 sc->lsc.sc_start = am79900_start; 179 180 lance_config(&sc->lsc); 181 182 mem = 0; 183 sc->lsc.sc_initaddr = mem; 184 mem += sizeof(struct leinit); 185 sc->lsc.sc_rmdaddr = mem; 186 mem += sizeof(struct lermd) * sc->lsc.sc_nrbuf; 187 sc->lsc.sc_tmdaddr = mem; 188 mem += sizeof(struct letmd) * sc->lsc.sc_ntbuf; 189 for (i = 0; i < sc->lsc.sc_nrbuf; i++, mem += LEBLEN) 190 sc->lsc.sc_rbufaddr[i] = mem; 191 for (i = 0; i < sc->lsc.sc_ntbuf; i++, mem += LEBLEN) 192 sc->lsc.sc_tbufaddr[i] = mem; 193 194 if (mem > sc->lsc.sc_memsize) 195 panic("%s: memsize", sc->lsc.sc_dev.dv_xname); 196 } 197 198 /* 199 * Set up the initialization block and the descriptor rings. 200 */ 201 void 202 am79900_meminit(sc) 203 struct lance_softc *sc; 204 { 205 u_long a; 206 int bix; 207 struct leinit init; 208 struct lermd rmd; 209 struct letmd tmd; 210 u_int8_t *myaddr; 211 212 #if NBPFILTER > 0 213 if (ifp->if_flags & IFF_PROMISC) 214 init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM; 215 else 216 #endif 217 init.init_mode = LE_MODE_NORMAL; 218 if (sc->sc_initmodemedia == 1) 219 init.init_mode |= LE_MODE_PSEL0; 220 221 init.init_mode |= ((ffs(sc->sc_ntbuf) - 1) << 28) 222 | ((ffs(sc->sc_nrbuf) - 1) << 20); 223 224 /* 225 * Update our private copy of the Ethernet address. 226 * We NEED the copy so we can ensure its alignment! 227 */ 228 memcpy(sc->sc_enaddr, LLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 229 myaddr = sc->sc_enaddr; 230 231 init.init_padr[0] = myaddr[0] | (myaddr[1] << 8) 232 | (myaddr[2] << 16) | (myaddr[3] << 24); 233 init.init_padr[1] = myaddr[4] | (myaddr[5] << 8); 234 lance_setladrf(&sc->sc_ethercom, init.init_ladrf); 235 236 sc->sc_last_rd = 0; 237 sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0; 238 239 a = sc->sc_addr + LE_RMDADDR(sc, 0); 240 init.init_rdra = a; 241 242 a = sc->sc_addr + LE_TMDADDR(sc, 0); 243 init.init_tdra = a; 244 245 (*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init)); 246 247 /* 248 * Set up receive ring descriptors. 249 */ 250 for (bix = 0; bix < sc->sc_nrbuf; bix++) { 251 a = sc->sc_addr + LE_RBUFADDR(sc, bix); 252 rmd.rmd0 = a; 253 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff); 254 rmd.rmd2 = 0; 255 rmd.rmd3 = 0; 256 (*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix), 257 sizeof(rmd)); 258 } 259 260 /* 261 * Set up transmit ring descriptors. 262 */ 263 for (bix = 0; bix < sc->sc_ntbuf; bix++) { 264 a = sc->sc_addr + LE_TBUFADDR(sc, bix); 265 tmd.tmd0 = a; 266 tmd.tmd1 = LE_T1_ONES; 267 tmd.tmd2 = 0; 268 tmd.tmd3 = 0; 269 (*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix), 270 sizeof(tmd)); 271 } 272 } 273 274 integrate void 275 am79900_rint(sc) 276 struct lance_softc *sc; 277 { 278 int bix; 279 int rp; 280 struct lermd rmd; 281 282 bix = sc->sc_last_rd; 283 284 /* Process all buffers with valid data. */ 285 for (;;) { 286 rp = LE_RMDADDR(sc, bix); 287 (*sc->sc_copyfromdesc)(sc, &rmd, rp, sizeof(rmd)); 288 289 if (rmd.rmd1 & LE_R1_OWN) 290 break; 291 292 if (rmd.rmd1 & LE_R1_ERR) { 293 if (rmd.rmd1 & LE_R1_ENP) { 294 #ifdef LEDEBUG 295 if ((rmd.rmd1 & LE_R1_OFLO) == 0) { 296 if (rmd.rmd1 & LE_R1_FRAM) 297 printf("%s: framing error\n", 298 sc->sc_dev.dv_xname); 299 if (rmd.rmd1 & LE_R1_CRC) 300 printf("%s: crc mismatch\n", 301 sc->sc_dev.dv_xname); 302 } 303 #endif 304 } else { 305 if (rmd.rmd1 & LE_R1_OFLO) 306 printf("%s: overflow\n", 307 sc->sc_dev.dv_xname); 308 } 309 if (rmd.rmd1 & LE_R1_BUFF) 310 printf("%s: receive buffer error\n", 311 sc->sc_dev.dv_xname); 312 ifp->if_ierrors++; 313 } else if ((rmd.rmd1 & (LE_R1_STP | LE_R1_ENP)) != 314 (LE_R1_STP | LE_R1_ENP)) { 315 printf("%s: dropping chained buffer\n", 316 sc->sc_dev.dv_xname); 317 ifp->if_ierrors++; 318 } else { 319 #ifdef LEDEBUG 320 if (sc->sc_debug) 321 am79900_recv_print(sc, sc->sc_last_rd); 322 #endif 323 lance_read(sc, LE_RBUFADDR(sc, bix), 324 (rmd.rmd2 & 0xfff) - 4); 325 } 326 327 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff); 328 rmd.rmd2 = 0; 329 rmd.rmd3 = 0; 330 (*sc->sc_copytodesc)(sc, &rmd, rp, sizeof(rmd)); 331 332 #ifdef LEDEBUG 333 if (sc->sc_debug) 334 printf("sc->sc_last_rd = %x, rmd: " 335 "adr %08x, flags/blen %08x\n", 336 sc->sc_last_rd, 337 rmd.rmd0, rmd.rmd1); 338 #endif 339 340 if (++bix == sc->sc_nrbuf) 341 bix = 0; 342 } 343 344 sc->sc_last_rd = bix; 345 } 346 347 integrate void 348 am79900_tint(sc) 349 struct lance_softc *sc; 350 { 351 int bix; 352 struct letmd tmd; 353 354 bix = sc->sc_first_td; 355 356 for (;;) { 357 if (sc->sc_no_td <= 0) 358 break; 359 360 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, bix), 361 sizeof(tmd)); 362 363 #ifdef LEDEBUG 364 if (sc->sc_debug) 365 printf("trans tmd: " 366 "adr %08x, flags/blen %08x\n", 367 tmd.tmd0, tmd.tmd1); 368 #endif 369 370 if (tmd.tmd1 & LE_T1_OWN) 371 break; 372 373 ifp->if_flags &= ~IFF_OACTIVE; 374 375 if (tmd.tmd1 & LE_T1_ERR) { 376 if (tmd.tmd2 & LE_T2_BUFF) 377 printf("%s: transmit buffer error\n", 378 sc->sc_dev.dv_xname); 379 else if (tmd.tmd2 & LE_T2_UFLO) 380 printf("%s: underflow\n", sc->sc_dev.dv_xname); 381 if (tmd.tmd2 & (LE_T2_BUFF | LE_T2_UFLO)) { 382 lance_reset(sc); 383 return; 384 } 385 if (tmd.tmd2 & LE_T2_LCAR) { 386 sc->sc_havecarrier = 0; 387 if (sc->sc_nocarrier) 388 (*sc->sc_nocarrier)(sc); 389 else 390 printf("%s: lost carrier\n", 391 sc->sc_dev.dv_xname); 392 } 393 if (tmd.tmd2 & LE_T2_LCOL) 394 ifp->if_collisions++; 395 if (tmd.tmd2 & LE_T2_RTRY) { 396 #ifdef LEDEBUG 397 printf("%s: excessive collisions\n", 398 sc->sc_dev.dv_xname); 399 #endif 400 ifp->if_collisions += 16; 401 } 402 ifp->if_oerrors++; 403 } else { 404 if (tmd.tmd1 & LE_T1_ONE) 405 ifp->if_collisions++; 406 else if (tmd.tmd1 & LE_T1_MORE) 407 /* Real number is unknown. */ 408 ifp->if_collisions += 2; 409 ifp->if_opackets++; 410 } 411 412 if (++bix == sc->sc_ntbuf) 413 bix = 0; 414 415 --sc->sc_no_td; 416 } 417 418 sc->sc_first_td = bix; 419 420 am79900_start(ifp); 421 422 if (sc->sc_no_td == 0) 423 ifp->if_timer = 0; 424 } 425 426 /* 427 * Controller interrupt. 428 */ 429 int 430 am79900_intr(arg) 431 void *arg; 432 { 433 struct lance_softc *sc = arg; 434 u_int16_t isr; 435 436 isr = (*sc->sc_rdcsr)(sc, LE_CSR0) | sc->sc_saved_csr0; 437 sc->sc_saved_csr0 = 0; 438 #if defined(LEDEBUG) && LEDEBUG > 1 439 if (sc->sc_debug) 440 printf("%s: am79900_intr entering with isr=%04x\n", 441 sc->sc_dev.dv_xname, isr); 442 #endif 443 if ((isr & LE_C0_INTR) == 0) 444 return (0); 445 446 (*sc->sc_wrcsr)(sc, LE_CSR0, 447 isr & (LE_C0_INEA | LE_C0_BABL | LE_C0_MISS | LE_C0_MERR | 448 LE_C0_RINT | LE_C0_TINT | LE_C0_IDON)); 449 if (isr & LE_C0_ERR) { 450 if (isr & LE_C0_BABL) { 451 #ifdef LEDEBUG 452 printf("%s: babble\n", sc->sc_dev.dv_xname); 453 #endif 454 ifp->if_oerrors++; 455 } 456 #if 0 457 if (isr & LE_C0_CERR) { 458 printf("%s: collision error\n", sc->sc_dev.dv_xname); 459 ifp->if_collisions++; 460 } 461 #endif 462 if (isr & LE_C0_MISS) { 463 #ifdef LEDEBUG 464 printf("%s: missed packet\n", sc->sc_dev.dv_xname); 465 #endif 466 ifp->if_ierrors++; 467 } 468 if (isr & LE_C0_MERR) { 469 printf("%s: memory error\n", sc->sc_dev.dv_xname); 470 lance_reset(sc); 471 return (1); 472 } 473 } 474 475 if ((isr & LE_C0_RXON) == 0) { 476 printf("%s: receiver disabled\n", sc->sc_dev.dv_xname); 477 ifp->if_ierrors++; 478 lance_reset(sc); 479 return (1); 480 } 481 if ((isr & LE_C0_TXON) == 0) { 482 printf("%s: transmitter disabled\n", sc->sc_dev.dv_xname); 483 ifp->if_oerrors++; 484 lance_reset(sc); 485 return (1); 486 } 487 488 /* 489 * Pretend we have carrier; if we don't this will be cleared 490 * shortly. 491 */ 492 sc->sc_havecarrier = 1; 493 494 if (isr & LE_C0_RINT) 495 am79900_rint(sc); 496 if (isr & LE_C0_TINT) 497 am79900_tint(sc); 498 499 #if NRND > 0 500 rnd_add_uint32(&sc->rnd_source, isr); 501 #endif 502 503 return (1); 504 } 505 506 #undef ifp 507 508 /* 509 * Setup output on interface. 510 * Get another datagram to send off of the interface queue, and map it to the 511 * interface before starting the output. 512 * Called only at splnet or interrupt level. 513 */ 514 void 515 am79900_start(ifp) 516 struct ifnet *ifp; 517 { 518 struct lance_softc *sc = ifp->if_softc; 519 int bix; 520 struct mbuf *m; 521 struct letmd tmd; 522 int rp; 523 int len; 524 525 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 526 return; 527 528 bix = sc->sc_last_td; 529 530 for (;;) { 531 rp = LE_TMDADDR(sc, bix); 532 (*sc->sc_copyfromdesc)(sc, &tmd, rp, sizeof(tmd)); 533 534 if (tmd.tmd1 & LE_T1_OWN) { 535 ifp->if_flags |= IFF_OACTIVE; 536 printf("missing buffer, no_td = %d, last_td = %d\n", 537 sc->sc_no_td, sc->sc_last_td); 538 } 539 540 IFQ_DEQUEUE(&ifp->if_snd, m); 541 if (m == 0) 542 break; 543 544 #if NBPFILTER > 0 545 /* 546 * If BPF is listening on this interface, let it see the packet 547 * before we commit it to the wire. 548 */ 549 if (ifp->if_bpf) 550 bpf_mtap(ifp->if_bpf, m); 551 #endif 552 553 /* 554 * Copy the mbuf chain into the transmit buffer. 555 */ 556 len = lance_put(sc, LE_TBUFADDR(sc, bix), m); 557 558 #ifdef LEDEBUG 559 if (len > ETHERMTU + sizeof(struct ether_header)) 560 printf("packet length %d\n", len); 561 #endif 562 563 ifp->if_timer = 5; 564 565 /* 566 * Init transmit registers, and set transmit start flag. 567 */ 568 tmd.tmd1 = LE_T1_OWN | LE_T1_STP | LE_T1_ENP | LE_T1_ONES | (-len & 0xfff); 569 tmd.tmd2 = 0; 570 tmd.tmd3 = 0; 571 572 (*sc->sc_copytodesc)(sc, &tmd, rp, sizeof(tmd)); 573 574 #ifdef LEDEBUG 575 if (sc->sc_debug) 576 am79900_xmit_print(sc, sc->sc_last_td); 577 #endif 578 579 (*sc->sc_wrcsr)(sc, LE_CSR0, LE_C0_INEA | LE_C0_TDMD); 580 581 if (++bix == sc->sc_ntbuf) 582 bix = 0; 583 584 if (++sc->sc_no_td == sc->sc_ntbuf) { 585 ifp->if_flags |= IFF_OACTIVE; 586 break; 587 } 588 589 } 590 591 sc->sc_last_td = bix; 592 } 593 594 #ifdef LEDEBUG 595 void 596 am79900_recv_print(sc, no) 597 struct lance_softc *sc; 598 int no; 599 { 600 struct lermd rmd; 601 u_int16_t len; 602 struct ether_header eh; 603 604 (*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd)); 605 len = (rmd.rmd2 & 0xfff) - 4; 606 printf("%s: receive buffer %d, len = %d\n", sc->sc_dev.dv_xname, no, 607 len); 608 printf("%s: status %04x\n", sc->sc_dev.dv_xname, 609 (*sc->sc_rdcsr)(sc, LE_CSR0)); 610 printf("%s: adr %08x, flags/blen %08x\n", 611 sc->sc_dev.dv_xname, rmd.rmd0, rmd.rmd1); 612 if (len >= sizeof(eh)) { 613 (*sc->sc_copyfrombuf)(sc, &eh, LE_RBUFADDR(sc, no), sizeof(eh)); 614 printf("%s: dst %s", sc->sc_dev.dv_xname, 615 ether_sprintf(eh.ether_dhost)); 616 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost), 617 ntohs(eh.ether_type)); 618 } 619 } 620 621 void 622 am79900_xmit_print(sc, no) 623 struct lance_softc *sc; 624 int no; 625 { 626 struct letmd tmd; 627 u_int16_t len; 628 struct ether_header eh; 629 630 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, no), sizeof(tmd)); 631 len = -(tmd.tmd1 & 0xfff); 632 printf("%s: transmit buffer %d, len = %d\n", sc->sc_dev.dv_xname, no, 633 len); 634 printf("%s: status %04x\n", sc->sc_dev.dv_xname, 635 (*sc->sc_rdcsr)(sc, LE_CSR0)); 636 printf("%s: adr %08x, flags/blen %08x\n", 637 sc->sc_dev.dv_xname, tmd.tmd0, tmd.tmd1); 638 if (len >= sizeof(eh)) { 639 (*sc->sc_copyfrombuf)(sc, &eh, LE_TBUFADDR(sc, no), sizeof(eh)); 640 printf("%s: dst %s", sc->sc_dev.dv_xname, 641 ether_sprintf(eh.ether_dhost)); 642 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost), 643 ntohs(eh.ether_type)); 644 } 645 } 646 #endif /* LEDEBUG */
Cache object: 7284d4e26faf7f11dc7476870960e5b0
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]