Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/ic/am79900.c
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1 /* $NetBSD: am79900.c,v 1.20 2008/04/28 20:23:49 martin 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 1992, 1993 34 * The Regents of the University of California. All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * Ralph Campbell and Rick Macklem. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. Neither the name of the University nor the names of its contributors 48 * may be used to endorse or promote products derived from this software 49 * without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 * 63 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 64 */ 65 66 /*- 67 * Copyright (c) 1998 68 * Matthias Drochner. All rights reserved. 69 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 70 * 71 * This code is derived from software contributed to Berkeley by 72 * Ralph Campbell and Rick Macklem. 73 * 74 * Redistribution and use in source and binary forms, with or without 75 * modification, are permitted provided that the following conditions 76 * are met: 77 * 1. Redistributions of source code must retain the above copyright 78 * notice, this list of conditions and the following disclaimer. 79 * 2. Redistributions in binary form must reproduce the above copyright 80 * notice, this list of conditions and the following disclaimer in the 81 * documentation and/or other materials provided with the distribution. 82 * 3. All advertising materials mentioning features or use of this software 83 * must display the following acknowledgement: 84 * This product includes software developed by the University of 85 * California, Berkeley and its contributors. 86 * 4. Neither the name of the University nor the names of its contributors 87 * may be used to endorse or promote products derived from this software 88 * without specific prior written permission. 89 * 90 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 91 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 92 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 93 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 94 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 95 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 96 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 97 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 98 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 99 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 100 * SUCH DAMAGE. 101 * 102 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 103 */ 104 105 #include <sys/cdefs.h> 106 __KERNEL_RCSID(0, "$NetBSD: am79900.c,v 1.20 2008/04/28 20:23:49 martin Exp $"); 107 108 #include "bpfilter.h" 109 #include "rnd.h" 110 111 #include <sys/param.h> 112 #include <sys/systm.h> 113 #include <sys/mbuf.h> 114 #include <sys/syslog.h> 115 #include <sys/socket.h> 116 #include <sys/device.h> 117 #include <sys/malloc.h> 118 #include <sys/ioctl.h> 119 #include <sys/errno.h> 120 #if NRND > 0 121 #include <sys/rnd.h> 122 #endif 123 124 #include <net/if.h> 125 #include <net/if_dl.h> 126 #include <net/if_ether.h> 127 #include <net/if_media.h> 128 129 #if NBPFILTER > 0 130 #include <net/bpf.h> 131 #include <net/bpfdesc.h> 132 #endif 133 134 #include <dev/ic/lancereg.h> 135 #include <dev/ic/lancevar.h> 136 #include <dev/ic/am79900reg.h> 137 #include <dev/ic/am79900var.h> 138 139 static void am79900_meminit(struct lance_softc *); 140 static void am79900_start(struct ifnet *); 141 142 #if defined(_KERNEL_OPT) 143 #include "opt_ddb.h" 144 #endif 145 146 #ifdef LEDEBUG 147 static void am79900_recv_print(struct lance_softc *, int); 148 static void am79900_xmit_print(struct lance_softc *, int); 149 #endif 150 151 #define ifp (&sc->sc_ethercom.ec_if) 152 153 void 154 am79900_config(struct am79900_softc *sc) 155 { 156 int mem, i; 157 158 sc->lsc.sc_meminit = am79900_meminit; 159 sc->lsc.sc_start = am79900_start; 160 161 lance_config(&sc->lsc); 162 163 mem = 0; 164 sc->lsc.sc_initaddr = mem; 165 mem += sizeof(struct leinit); 166 sc->lsc.sc_rmdaddr = mem; 167 mem += sizeof(struct lermd) * sc->lsc.sc_nrbuf; 168 sc->lsc.sc_tmdaddr = mem; 169 mem += sizeof(struct letmd) * sc->lsc.sc_ntbuf; 170 for (i = 0; i < sc->lsc.sc_nrbuf; i++, mem += LEBLEN) 171 sc->lsc.sc_rbufaddr[i] = mem; 172 for (i = 0; i < sc->lsc.sc_ntbuf; i++, mem += LEBLEN) 173 sc->lsc.sc_tbufaddr[i] = mem; 174 175 if (mem > sc->lsc.sc_memsize) 176 panic("%s: memsize", device_xname(sc->lsc.sc_dev)); 177 } 178 179 /* 180 * Set up the initialization block and the descriptor rings. 181 */ 182 static void 183 am79900_meminit(struct lance_softc *sc) 184 { 185 u_long a; 186 int bix; 187 struct leinit init; 188 struct lermd rmd; 189 struct letmd tmd; 190 uint8_t *myaddr; 191 192 #if NBPFILTER > 0 193 if (ifp->if_flags & IFF_PROMISC) 194 init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM; 195 else 196 #endif 197 init.init_mode = LE_MODE_NORMAL; 198 if (sc->sc_initmodemedia == 1) 199 init.init_mode |= LE_MODE_PSEL0; 200 201 init.init_mode |= ((ffs(sc->sc_ntbuf) - 1) << 28) 202 | ((ffs(sc->sc_nrbuf) - 1) << 20); 203 204 /* 205 * Update our private copy of the Ethernet address. 206 * We NEED the copy so we can ensure its alignment! 207 */ 208 memcpy(sc->sc_enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN); 209 myaddr = sc->sc_enaddr; 210 211 init.init_padr[0] = myaddr[0] | (myaddr[1] << 8) 212 | (myaddr[2] << 16) | (myaddr[3] << 24); 213 init.init_padr[1] = myaddr[4] | (myaddr[5] << 8); 214 lance_setladrf(&sc->sc_ethercom, init.init_ladrf); 215 216 sc->sc_last_rd = 0; 217 sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0; 218 219 a = sc->sc_addr + LE_RMDADDR(sc, 0); 220 init.init_rdra = a; 221 222 a = sc->sc_addr + LE_TMDADDR(sc, 0); 223 init.init_tdra = a; 224 225 (*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init)); 226 227 /* 228 * Set up receive ring descriptors. 229 */ 230 for (bix = 0; bix < sc->sc_nrbuf; bix++) { 231 a = sc->sc_addr + LE_RBUFADDR(sc, bix); 232 rmd.rmd0 = a; 233 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff); 234 rmd.rmd2 = 0; 235 rmd.rmd3 = 0; 236 (*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix), 237 sizeof(rmd)); 238 } 239 240 /* 241 * Set up transmit ring descriptors. 242 */ 243 for (bix = 0; bix < sc->sc_ntbuf; bix++) { 244 a = sc->sc_addr + LE_TBUFADDR(sc, bix); 245 tmd.tmd0 = a; 246 tmd.tmd1 = LE_T1_ONES; 247 tmd.tmd2 = 0; 248 tmd.tmd3 = 0; 249 (*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix), 250 sizeof(tmd)); 251 } 252 } 253 254 static inline void 255 am79900_rint(struct lance_softc *sc) 256 { 257 int bix; 258 int rp; 259 struct lermd rmd; 260 261 bix = sc->sc_last_rd; 262 263 /* Process all buffers with valid data. */ 264 for (;;) { 265 rp = LE_RMDADDR(sc, bix); 266 (*sc->sc_copyfromdesc)(sc, &rmd, rp, sizeof(rmd)); 267 268 if (rmd.rmd1 & LE_R1_OWN) 269 break; 270 271 if (rmd.rmd1 & LE_R1_ERR) { 272 if (rmd.rmd1 & LE_R1_ENP) { 273 #ifdef LEDEBUG 274 if ((rmd.rmd1 & LE_R1_OFLO) == 0) { 275 if (rmd.rmd1 & LE_R1_FRAM) 276 printf("%s: framing error\n", 277 device_xname(sc->sc_dev)); 278 if (rmd.rmd1 & LE_R1_CRC) 279 printf("%s: crc mismatch\n", 280 device_xname(sc->sc_dev)); 281 } 282 #endif 283 } else { 284 if (rmd.rmd1 & LE_R1_OFLO) 285 printf("%s: overflow\n", 286 device_xname(sc->sc_dev)); 287 } 288 if (rmd.rmd1 & LE_R1_BUFF) 289 printf("%s: receive buffer error\n", 290 device_xname(sc->sc_dev)); 291 ifp->if_ierrors++; 292 } else if ((rmd.rmd1 & (LE_R1_STP | LE_R1_ENP)) != 293 (LE_R1_STP | LE_R1_ENP)) { 294 printf("%s: dropping chained buffer\n", 295 device_xname(sc->sc_dev)); 296 ifp->if_ierrors++; 297 } else { 298 #ifdef LEDEBUG 299 if (sc->sc_debug) 300 am79900_recv_print(sc, sc->sc_last_rd); 301 #endif 302 lance_read(sc, LE_RBUFADDR(sc, bix), 303 (rmd.rmd2 & 0xfff) - 4); 304 } 305 306 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff); 307 rmd.rmd2 = 0; 308 rmd.rmd3 = 0; 309 (*sc->sc_copytodesc)(sc, &rmd, rp, sizeof(rmd)); 310 311 #ifdef LEDEBUG 312 if (sc->sc_debug) 313 printf("sc->sc_last_rd = %x, rmd: " 314 "adr %08x, flags/blen %08x\n", 315 sc->sc_last_rd, 316 rmd.rmd0, rmd.rmd1); 317 #endif 318 319 if (++bix == sc->sc_nrbuf) 320 bix = 0; 321 } 322 323 sc->sc_last_rd = bix; 324 } 325 326 static inline void 327 am79900_tint(struct lance_softc *sc) 328 { 329 int bix; 330 struct letmd tmd; 331 332 bix = sc->sc_first_td; 333 334 for (;;) { 335 if (sc->sc_no_td <= 0) 336 break; 337 338 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, bix), 339 sizeof(tmd)); 340 341 #ifdef LEDEBUG 342 if (sc->sc_debug) 343 printf("trans tmd: " 344 "adr %08x, flags/blen %08x\n", 345 tmd.tmd0, tmd.tmd1); 346 #endif 347 348 if (tmd.tmd1 & LE_T1_OWN) 349 break; 350 351 ifp->if_flags &= ~IFF_OACTIVE; 352 353 if (tmd.tmd1 & LE_T1_ERR) { 354 if (tmd.tmd2 & LE_T2_BUFF) 355 printf("%s: transmit buffer error\n", 356 device_xname(sc->sc_dev)); 357 else if (tmd.tmd2 & LE_T2_UFLO) 358 printf("%s: underflow\n", 359 device_xname(sc->sc_dev)); 360 if (tmd.tmd2 & (LE_T2_BUFF | LE_T2_UFLO)) { 361 lance_reset(sc); 362 return; 363 } 364 if (tmd.tmd2 & LE_T2_LCAR) { 365 sc->sc_havecarrier = 0; 366 if (sc->sc_nocarrier) 367 (*sc->sc_nocarrier)(sc); 368 else 369 printf("%s: lost carrier\n", 370 device_xname(sc->sc_dev)); 371 } 372 if (tmd.tmd2 & LE_T2_LCOL) 373 ifp->if_collisions++; 374 if (tmd.tmd2 & LE_T2_RTRY) { 375 #ifdef LEDEBUG 376 printf("%s: excessive collisions\n", 377 device_xname(sc->sc_dev)); 378 #endif 379 ifp->if_collisions += 16; 380 } 381 ifp->if_oerrors++; 382 } else { 383 if (tmd.tmd1 & LE_T1_ONE) 384 ifp->if_collisions++; 385 else if (tmd.tmd1 & LE_T1_MORE) 386 /* Real number is unknown. */ 387 ifp->if_collisions += 2; 388 ifp->if_opackets++; 389 } 390 391 if (++bix == sc->sc_ntbuf) 392 bix = 0; 393 394 --sc->sc_no_td; 395 } 396 397 sc->sc_first_td = bix; 398 399 am79900_start(ifp); 400 401 if (sc->sc_no_td == 0) 402 ifp->if_timer = 0; 403 } 404 405 /* 406 * Controller interrupt. 407 */ 408 int 409 am79900_intr(void *arg) 410 { 411 struct lance_softc *sc = arg; 412 uint16_t isr; 413 414 isr = (*sc->sc_rdcsr)(sc, LE_CSR0) | sc->sc_saved_csr0; 415 sc->sc_saved_csr0 = 0; 416 #if defined(LEDEBUG) && LEDEBUG > 1 417 if (sc->sc_debug) 418 printf("%s: am79900_intr entering with isr=%04x\n", 419 device_xname(sc->sc_dev), isr); 420 #endif 421 if ((isr & LE_C0_INTR) == 0) 422 return (0); 423 424 (*sc->sc_wrcsr)(sc, LE_CSR0, 425 isr & (LE_C0_INEA | LE_C0_BABL | LE_C0_MISS | LE_C0_MERR | 426 LE_C0_RINT | LE_C0_TINT | LE_C0_IDON)); 427 if (isr & LE_C0_ERR) { 428 if (isr & LE_C0_BABL) { 429 #ifdef LEDEBUG 430 printf("%s: babble\n", device_xname(sc->sc_dev)); 431 #endif 432 ifp->if_oerrors++; 433 } 434 #if 0 435 if (isr & LE_C0_CERR) { 436 printf("%s: collision error\n", 437 device_xname(sc->sc_dev)); 438 ifp->if_collisions++; 439 } 440 #endif 441 if (isr & LE_C0_MISS) { 442 #ifdef LEDEBUG 443 printf("%s: missed packet\n", device_xname(sc->sc_dev)); 444 #endif 445 ifp->if_ierrors++; 446 } 447 if (isr & LE_C0_MERR) { 448 printf("%s: memory error\n", device_xname(sc->sc_dev)); 449 lance_reset(sc); 450 return (1); 451 } 452 } 453 454 if ((isr & LE_C0_RXON) == 0) { 455 printf("%s: receiver disabled\n", device_xname(sc->sc_dev)); 456 ifp->if_ierrors++; 457 lance_reset(sc); 458 return (1); 459 } 460 if ((isr & LE_C0_TXON) == 0) { 461 printf("%s: transmitter disabled\n", device_xname(sc->sc_dev)); 462 ifp->if_oerrors++; 463 lance_reset(sc); 464 return (1); 465 } 466 467 /* 468 * Pretend we have carrier; if we don't this will be cleared 469 * shortly. 470 */ 471 sc->sc_havecarrier = 1; 472 473 if (isr & LE_C0_RINT) 474 am79900_rint(sc); 475 if (isr & LE_C0_TINT) 476 am79900_tint(sc); 477 478 #if NRND > 0 479 rnd_add_uint32(&sc->rnd_source, isr); 480 #endif 481 482 return (1); 483 } 484 485 #undef ifp 486 487 /* 488 * Setup output on interface. 489 * Get another datagram to send off of the interface queue, and map it to the 490 * interface before starting the output. 491 * Called only at splnet or interrupt level. 492 */ 493 static void 494 am79900_start(struct ifnet *ifp) 495 { 496 struct lance_softc *sc = ifp->if_softc; 497 int bix; 498 struct mbuf *m; 499 struct letmd tmd; 500 int rp; 501 int len; 502 503 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 504 return; 505 506 bix = sc->sc_last_td; 507 508 for (;;) { 509 rp = LE_TMDADDR(sc, bix); 510 (*sc->sc_copyfromdesc)(sc, &tmd, rp, sizeof(tmd)); 511 512 if (tmd.tmd1 & LE_T1_OWN) { 513 ifp->if_flags |= IFF_OACTIVE; 514 printf("missing buffer, no_td = %d, last_td = %d\n", 515 sc->sc_no_td, sc->sc_last_td); 516 } 517 518 IFQ_DEQUEUE(&ifp->if_snd, m); 519 if (m == 0) 520 break; 521 522 #if NBPFILTER > 0 523 /* 524 * If BPF is listening on this interface, let it see the packet 525 * before we commit it to the wire. 526 */ 527 if (ifp->if_bpf) 528 bpf_mtap(ifp->if_bpf, m); 529 #endif 530 531 /* 532 * Copy the mbuf chain into the transmit buffer. 533 */ 534 len = lance_put(sc, LE_TBUFADDR(sc, bix), m); 535 536 #ifdef LEDEBUG 537 if (len > ETHERMTU + sizeof(struct ether_header)) 538 printf("packet length %d\n", len); 539 #endif 540 541 ifp->if_timer = 5; 542 543 /* 544 * Init transmit registers, and set transmit start flag. 545 */ 546 tmd.tmd1 = LE_T1_OWN | LE_T1_STP | LE_T1_ENP | LE_T1_ONES | (-len & 0xfff); 547 tmd.tmd2 = 0; 548 tmd.tmd3 = 0; 549 550 (*sc->sc_copytodesc)(sc, &tmd, rp, sizeof(tmd)); 551 552 #ifdef LEDEBUG 553 if (sc->sc_debug) 554 am79900_xmit_print(sc, sc->sc_last_td); 555 #endif 556 557 (*sc->sc_wrcsr)(sc, LE_CSR0, LE_C0_INEA | LE_C0_TDMD); 558 559 if (++bix == sc->sc_ntbuf) 560 bix = 0; 561 562 if (++sc->sc_no_td == sc->sc_ntbuf) { 563 ifp->if_flags |= IFF_OACTIVE; 564 break; 565 } 566 567 } 568 569 sc->sc_last_td = bix; 570 } 571 572 #ifdef LEDEBUG 573 static void 574 am79900_recv_print(struct lance_softc *sc, int no) 575 { 576 struct lermd rmd; 577 uint16_t len; 578 struct ether_header eh; 579 580 (*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd)); 581 len = (rmd.rmd2 & 0xfff) - 4; 582 printf("%s: receive buffer %d, len = %d\n", 583 device_xname(sc->sc_dev), no, len); 584 printf("%s: status %04x\n", device_xname(sc->sc_dev), 585 (*sc->sc_rdcsr)(sc, LE_CSR0)); 586 printf("%s: adr %08x, flags/blen %08x\n", 587 device_xname(sc->sc_dev), rmd.rmd0, rmd.rmd1); 588 if (len >= sizeof(eh)) { 589 (*sc->sc_copyfrombuf)(sc, &eh, LE_RBUFADDR(sc, no), sizeof(eh)); 590 printf("%s: dst %s", device_xname(sc->sc_dev), 591 ether_sprintf(eh.ether_dhost)); 592 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost), 593 ntohs(eh.ether_type)); 594 } 595 } 596 597 static void 598 am79900_xmit_print(struct lance_softc *sc, int no) 599 { 600 struct letmd tmd; 601 uint16_t len; 602 struct ether_header eh; 603 604 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, no), sizeof(tmd)); 605 len = -(tmd.tmd1 & 0xfff); 606 printf("%s: transmit buffer %d, len = %d\n", 607 device_xname(sc->sc_dev), no, len); 608 printf("%s: status %04x\n", device_xname(sc->sc_dev), 609 (*sc->sc_rdcsr)(sc, LE_CSR0)); 610 printf("%s: adr %08x, flags/blen %08x\n", 611 device_xname(sc->sc_dev), tmd.tmd0, tmd.tmd1); 612 if (len >= sizeof(eh)) { 613 (*sc->sc_copyfrombuf)(sc, &eh, LE_TBUFADDR(sc, no), sizeof(eh)); 614 printf("%s: dst %s", device_xname(sc->sc_dev), 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 #endif /* LEDEBUG */
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