1 /* $NetBSD: am7990.c,v 1.68 2005/12/11 12:21:25 christos Exp $ */ 2 /* $FreeBSD: src/sys/dev/le/am7990.c,v 1.3 2006/05/16 21:04:01 marius Exp $ */ 3 /* $DragonFly: src/sys/dev/netif/lnc/am7990.c,v 1.1 2006/07/07 14:16:29 sephe Exp $ */ 4 5 /*- 6 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 11 * Simulation Facility, NASA Ames Research Center. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 /*- 43 * Copyright (c) 1992, 1993 44 * The Regents of the University of California. All rights reserved. 45 * 46 * This code is derived from software contributed to Berkeley by 47 * Ralph Campbell and Rick Macklem. 48 * 49 * Redistribution and use in source and binary forms, with or without 50 * modification, are permitted provided that the following conditions 51 * are met: 52 * 1. Redistributions of source code must retain the above copyright 53 * notice, this list of conditions and the following disclaimer. 54 * 2. Redistributions in binary form must reproduce the above copyright 55 * notice, this list of conditions and the following disclaimer in the 56 * documentation and/or other materials provided with the distribution. 57 * 3. Neither the name of the University nor the names of its contributors 58 * may be used to endorse or promote products derived from this software 59 * without specific prior written permission. 60 * 61 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 62 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 63 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 64 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 65 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 66 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 67 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 68 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 69 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 70 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 71 * SUCH DAMAGE. 72 * 73 * @(#)if_le.c 8.2 (Berkeley) 11/16/93 74 */ 75 76 #include <sys/param.h> 77 #include <sys/bus.h> 78 #include <sys/endian.h> 79 #include <sys/lock.h> 80 #include <sys/mbuf.h> 81 #include <sys/socket.h> 82 83 #include <net/bpf.h> 84 #include <net/ethernet.h> 85 #include <net/if.h> 86 #include <net/if_arp.h> 87 #include <net/if_dl.h> 88 #include <net/if_media.h> 89 #include <net/if_var.h> 90 #include <net/ifq_var.h> 91 92 #include <machine/bus.h> 93 94 #include <dev/netif/lnc/lancereg.h> 95 #include <dev/netif/lnc/lancevar.h> 96 #include <dev/netif/lnc/am7990reg.h> 97 #include <dev/netif/lnc/am7990var.h> 98 99 static void am7990_meminit(struct lance_softc *); 100 static void am7990_rint(struct lance_softc *); 101 static void am7990_tint(struct lance_softc *); 102 static void am7990_start_locked(struct lance_softc *sc); 103 104 #ifdef LEDEBUG 105 static void am7990_recv_print(struct lance_softc *, int); 106 static void am7990_xmit_print(struct lance_softc *, int); 107 #endif 108 109 int 110 am7990_config(struct am7990_softc *sc, const char* name, int unit) 111 { 112 int error, mem; 113 114 sc->lsc.sc_meminit = am7990_meminit; 115 sc->lsc.sc_start_locked = am7990_start_locked; 116 117 error = lance_config(&sc->lsc, name, unit); 118 if (error != 0) 119 return (error); 120 121 mem = 0; 122 sc->lsc.sc_initaddr = mem; 123 mem += sizeof(struct leinit); 124 sc->lsc.sc_rmdaddr = mem; 125 mem += sizeof(struct lermd) * sc->lsc.sc_nrbuf; 126 sc->lsc.sc_tmdaddr = mem; 127 mem += sizeof(struct letmd) * sc->lsc.sc_ntbuf; 128 sc->lsc.sc_rbufaddr = mem; 129 mem += LEBLEN * sc->lsc.sc_nrbuf; 130 sc->lsc.sc_tbufaddr = mem; 131 mem += LEBLEN * sc->lsc.sc_ntbuf; 132 133 if (mem > sc->lsc.sc_memsize) 134 panic("%s: memsize", __func__); 135 136 lance_attach(&sc->lsc); 137 138 return (0); 139 } 140 141 void 142 am7990_detach(struct am7990_softc *sc) 143 { 144 145 ether_ifdetach(sc->lsc.ifp); 146 } 147 148 /* 149 * Set up the initialization block and the descriptor rings. 150 */ 151 static void 152 am7990_meminit(struct lance_softc *sc) 153 { 154 struct ifnet *ifp = sc->ifp; 155 struct leinit init; 156 struct lermd rmd; 157 struct letmd tmd; 158 u_long a; 159 int bix; 160 161 if (ifp->if_flags & IFF_PROMISC) 162 init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM; 163 else 164 init.init_mode = LE_MODE_NORMAL; 165 166 init.init_padr[0] = (sc->sc_enaddr[1] << 8) | sc->sc_enaddr[0]; 167 init.init_padr[1] = (sc->sc_enaddr[3] << 8) | sc->sc_enaddr[2]; 168 init.init_padr[2] = (sc->sc_enaddr[5] << 8) | sc->sc_enaddr[4]; 169 lance_setladrf(sc, init.init_ladrf); 170 171 sc->sc_last_rd = 0; 172 sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0; 173 174 a = sc->sc_addr + LE_RMDADDR(sc, 0); 175 init.init_rdra = a; 176 init.init_rlen = (a >> 16) | ((ffs(sc->sc_nrbuf) - 1) << 13); 177 178 a = sc->sc_addr + LE_TMDADDR(sc, 0); 179 init.init_tdra = a; 180 init.init_tlen = (a >> 16) | ((ffs(sc->sc_ntbuf) - 1) << 13); 181 182 (*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init)); 183 184 /* 185 * Set up receive ring descriptors. 186 */ 187 for (bix = 0; bix < sc->sc_nrbuf; bix++) { 188 a = sc->sc_addr + LE_RBUFADDR(sc, bix); 189 rmd.rmd0 = a; 190 rmd.rmd1_hadr = a >> 16; 191 rmd.rmd1_bits = LE_R1_OWN; 192 rmd.rmd2 = -LEBLEN | LE_XMD2_ONES; 193 rmd.rmd3 = 0; 194 (*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix), 195 sizeof(rmd)); 196 } 197 198 /* 199 * Set up transmit ring descriptors. 200 */ 201 for (bix = 0; bix < sc->sc_ntbuf; bix++) { 202 a = sc->sc_addr + LE_TBUFADDR(sc, bix); 203 tmd.tmd0 = a; 204 tmd.tmd1_hadr = a >> 16; 205 tmd.tmd1_bits = 0; 206 tmd.tmd2 = LE_XMD2_ONES; 207 tmd.tmd3 = 0; 208 (*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix), 209 sizeof(tmd)); 210 } 211 } 212 213 static void 214 am7990_rint(struct lance_softc *sc) 215 { 216 struct ifnet *ifp = sc->ifp; 217 struct mbuf *m; 218 struct lermd rmd; 219 int bix, rp; 220 #if defined(LANCE_REVC_BUG) 221 struct ether_header *eh; 222 /* Make sure this is short-aligned, for ether_cmp(). */ 223 static uint16_t bcast_enaddr[3] = { ~0, ~0, ~0 }; 224 #endif 225 226 bix = sc->sc_last_rd; 227 228 /* Process all buffers with valid data. */ 229 for (;;) { 230 rp = LE_RMDADDR(sc, bix); 231 (*sc->sc_copyfromdesc)(sc, &rmd, rp, sizeof(rmd)); 232 233 if (rmd.rmd1_bits & LE_R1_OWN) 234 break; 235 236 m = NULL; 237 if ((rmd.rmd1_bits & (LE_R1_ERR | LE_R1_STP | LE_R1_ENP)) != 238 (LE_R1_STP | LE_R1_ENP)) { 239 if (rmd.rmd1_bits & LE_R1_ERR) { 240 #ifdef LEDEBUG 241 if (rmd.rmd1_bits & LE_R1_ENP) { 242 if ((rmd.rmd1_bits & LE_R1_OFLO) == 0) { 243 if (rmd.rmd1_bits & LE_R1_FRAM) 244 if_printf(ifp, 245 "framing error\n"); 246 if (rmd.rmd1_bits & LE_R1_CRC) 247 if_printf(ifp, 248 "crc mismatch\n"); 249 } 250 } else 251 if (rmd.rmd1_bits & LE_R1_OFLO) 252 if_printf(ifp, "overflow\n"); 253 #endif 254 if (rmd.rmd1_bits & LE_R1_BUFF) 255 if_printf(ifp, 256 "receive buffer error\n"); 257 } else if ((rmd.rmd1_bits & (LE_R1_STP | LE_R1_ENP)) != 258 (LE_R1_STP | LE_R1_ENP)) 259 if_printf(ifp, "dropping chained buffer\n"); 260 } else { 261 #ifdef LEDEBUG 262 if (sc->sc_flags & LE_DEBUG) 263 am7990_recv_print(sc, bix); 264 #endif 265 /* Pull the packet off the interface. */ 266 m = lance_get(sc, LE_RBUFADDR(sc, bix), 267 (int)rmd.rmd3 - ETHER_CRC_LEN); 268 } 269 270 rmd.rmd1_bits = LE_R1_OWN; 271 rmd.rmd2 = -LEBLEN | LE_XMD2_ONES; 272 rmd.rmd3 = 0; 273 (*sc->sc_copytodesc)(sc, &rmd, rp, sizeof(rmd)); 274 275 if (++bix == sc->sc_nrbuf) 276 bix = 0; 277 278 if (m != NULL) { 279 ifp->if_ipackets++; 280 281 #ifdef LANCE_REVC_BUG 282 /* 283 * The old LANCE (Rev. C) chips have a bug which 284 * causes garbage to be inserted in front of the 285 * received packet. The workaround is to ignore 286 * packets with an invalid destination address 287 * (garbage will usually not match). 288 * Of course, this precludes multicast support... 289 */ 290 eh = mtod(m, struct ether_header *); 291 if (memcmp(eh->ether_dhost, sc->sc_enaddr, 292 ETHER_ADDR_LEN) && 293 memcmp(eh->ether_dhost, etherbroadcastaddr, 294 ETHER_ADDR_LEN)) { 295 m_freem(m); 296 continue; 297 } 298 #endif 299 300 /* Pass the packet up. */ 301 (*ifp->if_input)(ifp, m); 302 } else 303 ifp->if_ierrors++; 304 } 305 306 sc->sc_last_rd = bix; 307 } 308 309 static void 310 am7990_tint(struct lance_softc *sc) 311 { 312 struct ifnet *ifp = sc->ifp; 313 struct letmd tmd; 314 int bix; 315 316 bix = sc->sc_first_td; 317 318 for (;;) { 319 if (sc->sc_no_td <= 0) 320 break; 321 322 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, bix), 323 sizeof(tmd)); 324 325 #ifdef LEDEBUG 326 if (sc->sc_flags & LE_DEBUG) 327 if_printf(ifp, "trans tmd: " 328 "ladr %04x, hadr %02x, flags %02x, " 329 "bcnt %04x, mcnt %04x\n", 330 tmd.tmd0, tmd.tmd1_hadr, tmd.tmd1_bits, 331 tmd.tmd2, tmd.tmd3); 332 #endif 333 334 if (tmd.tmd1_bits & LE_T1_OWN) 335 break; 336 337 ifp->if_flags &= ~IFF_OACTIVE; 338 339 if (tmd.tmd1_bits & LE_T1_ERR) { 340 if (tmd.tmd3 & LE_T3_BUFF) 341 if_printf(ifp, "transmit buffer error\n"); 342 else if (tmd.tmd3 & LE_T3_UFLO) 343 if_printf(ifp, "underflow\n"); 344 if (tmd.tmd3 & (LE_T3_BUFF | LE_T3_UFLO)) { 345 lance_init_locked(sc); 346 return; 347 } 348 if (tmd.tmd3 & LE_T3_LCAR) { 349 #if 0 350 if (sc->sc_flags & LE_CARRIER) 351 if_link_state_change(ifp, 352 LINK_STATE_DOWN); 353 #endif 354 sc->sc_flags &= ~LE_CARRIER; 355 if (sc->sc_nocarrier) 356 (*sc->sc_nocarrier)(sc); 357 else 358 if_printf(ifp, "lost carrier\n"); 359 } 360 if (tmd.tmd3 & LE_T3_LCOL) 361 ifp->if_collisions++; 362 if (tmd.tmd3 & LE_T3_RTRY) { 363 #ifdef LEDEBUG 364 if_printf(ifp, "excessive collisions, tdr %d\n", 365 tmd.tmd3 & LE_T3_TDR_MASK); 366 #endif 367 ifp->if_collisions += 16; 368 } 369 ifp->if_oerrors++; 370 } else { 371 if (tmd.tmd1_bits & LE_T1_ONE) 372 ifp->if_collisions++; 373 else if (tmd.tmd1_bits & LE_T1_MORE) 374 /* Real number is unknown. */ 375 ifp->if_collisions += 2; 376 ifp->if_opackets++; 377 } 378 379 if (++bix == sc->sc_ntbuf) 380 bix = 0; 381 382 --sc->sc_no_td; 383 } 384 385 sc->sc_first_td = bix; 386 387 ifp->if_timer = sc->sc_no_td > 0 ? 5 : 0; 388 } 389 390 /* 391 * Controller interrupt 392 */ 393 void 394 am7990_intr(void *arg) 395 { 396 struct lance_softc *sc = arg; 397 struct ifnet *ifp = sc->ifp; 398 uint16_t isr; 399 400 if (sc->sc_hwintr && (*sc->sc_hwintr)(sc) == -1) { 401 ifp->if_ierrors++; 402 lance_init_locked(sc); 403 return; 404 } 405 406 isr = (*sc->sc_rdcsr)(sc, LE_CSR0); 407 #if defined(LEDEBUG) && LEDEBUG > 1 408 if (sc->sc_flags & LE_DEBUG) 409 if_printf(ifp, "%s: entering with isr=%04x\n", __func__, isr); 410 #endif 411 if ((isr & LE_C0_INTR) == 0) { 412 return; 413 } 414 415 /* 416 * Clear interrupt source flags and turn off interrupts. If we 417 * don't clear these flags before processing their sources we 418 * could completely miss some interrupt events as the NIC can 419 * change these flags while we're in this handler. We turn off 420 * interrupts so we don't get another RX interrupt while still 421 * processing the previous one in ifp->if_input() with the 422 * driver lock dropped. 423 */ 424 (*sc->sc_wrcsr)(sc, LE_CSR0, isr & ~(LE_C0_INEA | LE_C0_TDMD | 425 LE_C0_STOP | LE_C0_STRT | LE_C0_INIT)); 426 427 if (isr & LE_C0_ERR) { 428 if (isr & LE_C0_BABL) { 429 #ifdef LEDEBUG 430 if_printf(ifp, "babble\n"); 431 #endif 432 ifp->if_oerrors++; 433 } 434 #if 0 435 if (isr & LE_C0_CERR) { 436 if_printf(ifp, "collision error\n"); 437 ifp->if_collisions++; 438 } 439 #endif 440 if (isr & LE_C0_MISS) { 441 #ifdef LEDEBUG 442 if_printf(ifp, "missed packet\n"); 443 #endif 444 ifp->if_ierrors++; 445 } 446 if (isr & LE_C0_MERR) { 447 if_printf(ifp, "memory error\n"); 448 lance_init_locked(sc); 449 return; 450 } 451 } 452 453 if ((isr & LE_C0_RXON) == 0) { 454 if_printf(ifp, "receiver disabled\n"); 455 ifp->if_ierrors++; 456 lance_init_locked(sc); 457 return; 458 } 459 if ((isr & LE_C0_TXON) == 0) { 460 if_printf(ifp, "transmitter disabled\n"); 461 ifp->if_oerrors++; 462 lance_init_locked(sc); 463 return; 464 } 465 466 /* 467 * Pretend we have carrier; if we don't this will be cleared shortly. 468 */ 469 #if 0 470 if (!(sc->sc_flags & LE_CARRIER)) 471 if_link_state_change(ifp, LINK_STATE_UP); 472 #endif 473 sc->sc_flags |= LE_CARRIER; 474 475 if (isr & LE_C0_RINT) 476 am7990_rint(sc); 477 if (isr & LE_C0_TINT) 478 am7990_tint(sc); 479 480 /* Enable interrupts again. */ 481 (*sc->sc_wrcsr)(sc, LE_CSR0, LE_C0_INEA); 482 483 if (!ifq_is_empty(&ifp->if_snd)) 484 am7990_start_locked(sc); 485 486 } 487 488 /* 489 * Set up output on interface. 490 * Get another datagram to send off of the interface queue, and map it to the 491 * interface before starting the output. 492 */ 493 static void 494 am7990_start_locked(struct lance_softc *sc) 495 { 496 struct ifnet *ifp = sc->ifp; 497 struct letmd tmd; 498 struct mbuf *m; 499 int bix, enq, len, rp; 500 501 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != 502 IFF_RUNNING) 503 return; 504 505 bix = sc->sc_last_td; 506 enq = 0; 507 508 for (; sc->sc_no_td < sc->sc_ntbuf && 509 !ifq_is_empty(&ifp->if_snd);) { 510 m = ifq_poll(&ifp->if_snd); 511 rp = LE_TMDADDR(sc, bix); 512 (*sc->sc_copyfromdesc)(sc, &tmd, rp, sizeof(tmd)); 513 514 if (tmd.tmd1_bits & LE_T1_OWN) { 515 ifp->if_flags |= IFF_OACTIVE; 516 if_printf(ifp, 517 "missing buffer, no_td = %d, last_td = %d\n", 518 sc->sc_no_td, sc->sc_last_td); 519 } 520 521 ifq_dequeue(&ifp->if_snd, m); 522 if (m == 0) 523 break; 524 525 /* 526 * If BPF is listening on this interface, let it see the 527 * packet before we commit it to the wire. 528 */ 529 BPF_MTAP(ifp, m); 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 + ETHER_HDR_LEN) 538 if_printf(ifp, "packet length %d\n", len); 539 #endif 540 541 /* 542 * Init transmit registers, and set transmit start flag. 543 */ 544 tmd.tmd1_bits = LE_T1_OWN | LE_T1_STP | LE_T1_ENP; 545 tmd.tmd2 = -len | LE_XMD2_ONES; 546 tmd.tmd3 = 0; 547 548 (*sc->sc_copytodesc)(sc, &tmd, rp, sizeof(tmd)); 549 550 #ifdef LEDEBUG 551 if (sc->sc_flags & LE_DEBUG) 552 am7990_xmit_print(sc, bix); 553 #endif 554 555 (*sc->sc_wrcsr)(sc, LE_CSR0, LE_C0_INEA | LE_C0_TDMD); 556 enq++; 557 558 if (++bix == sc->sc_ntbuf) 559 bix = 0; 560 561 if (++sc->sc_no_td == sc->sc_ntbuf) { 562 ifp->if_flags |= IFF_OACTIVE; 563 break; 564 } 565 } 566 567 sc->sc_last_td = bix; 568 569 if (enq > 0) 570 ifp->if_timer = 5; 571 } 572 573 #ifdef LEDEBUG 574 static void 575 am7990_recv_print(struct lance_softc *sc, int no) 576 { 577 struct ifnet *ifp = sc->ifp; 578 struct ether_header eh; 579 struct lermd rmd; 580 uint16_t len; 581 582 (*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd)); 583 len = rmd.rmd3; 584 if_printf(ifp, "receive buffer %d, len = %d\n", no, len); 585 if_printf(ifp, "status %04x\n", (*sc->sc_rdcsr)(sc, LE_CSR0)); 586 if_printf(ifp, 587 "ladr %04x, hadr %02x, flags %02x, bcnt %04x, mcnt %04x\n", 588 rmd.rmd0, rmd.rmd1_hadr, rmd.rmd1_bits, rmd.rmd2, rmd.rmd3); 589 if (len - ETHER_CRC_LEN >= sizeof(eh)) { 590 (*sc->sc_copyfrombuf)(sc, &eh, LE_RBUFADDR(sc, no), sizeof(eh)); 591 if_printf(ifp, "dst %s", 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 am7990_xmit_print(struct lance_softc *sc, int no) 599 { 600 struct ifnet *ifp = sc->ifp; 601 struct ether_header eh; 602 struct letmd tmd; 603 uint16_t len; 604 605 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, no), sizeof(tmd)); 606 len = -tmd.tmd2; 607 if_printf(ifp, "transmit buffer %d, len = %d\n", no, len); 608 if_printf(ifp, "status %04x\n", (*sc->sc_rdcsr)(sc, LE_CSR0)); 609 if_printf(ifp, 610 "ladr %04x, hadr %02x, flags %02x, bcnt %04x, mcnt %04x\n", 611 tmd.tmd0, tmd.tmd1_hadr, tmd.tmd1_bits, tmd.tmd2, tmd.tmd3); 612 if (len >= sizeof(eh)) { 613 (*sc->sc_copyfrombuf)(sc, &eh, LE_TBUFADDR(sc, no), sizeof(eh)); 614 if_printf(ifp, "dst %s", ether_sprintf(eh.ether_dhost)); 615 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost), 616 ntohs(eh.ether_type)); 617 } 618 } 619 #endif /* LEDEBUG */ 620