am79900.c revision 1.26 1 /* $NetBSD: am79900.c,v 1.26 2017/05/23 04:51:31 ozaki-r 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 1.26 2017/05/23 04:51:31 ozaki-r Exp $");
107
108 #include <sys/param.h>
109 #include <sys/systm.h>
110 #include <sys/mbuf.h>
111 #include <sys/syslog.h>
112 #include <sys/socket.h>
113 #include <sys/device.h>
114 #include <sys/malloc.h>
115 #include <sys/ioctl.h>
116 #include <sys/errno.h>
117 #include <sys/rndsource.h>
118
119 #include <net/if.h>
120 #include <net/if_dl.h>
121 #include <net/if_ether.h>
122 #include <net/if_media.h>
123
124 #include <net/bpf.h>
125 #include <net/bpfdesc.h>
126
127 #include <dev/ic/lancereg.h>
128 #include <dev/ic/lancevar.h>
129 #include <dev/ic/am79900reg.h>
130 #include <dev/ic/am79900var.h>
131
132 static void am79900_meminit(struct lance_softc *);
133 static void am79900_start(struct ifnet *);
134
135 #if defined(_KERNEL_OPT)
136 #include "opt_ddb.h"
137 #endif
138
139 #ifdef LEDEBUG
140 static void am79900_recv_print(struct lance_softc *, int);
141 static void am79900_xmit_print(struct lance_softc *, int);
142 #endif
143
144 #define ifp (&sc->sc_ethercom.ec_if)
145
146 void
147 am79900_config(struct am79900_softc *sc)
148 {
149 int mem, i;
150
151 sc->lsc.sc_meminit = am79900_meminit;
152 sc->lsc.sc_start = am79900_start;
153
154 lance_config(&sc->lsc);
155 if_deferred_start_init(&sc->lsc.sc_ethercom.ec_if, NULL);
156
157 mem = 0;
158 sc->lsc.sc_initaddr = mem;
159 mem += sizeof(struct leinit);
160 sc->lsc.sc_rmdaddr = mem;
161 mem += sizeof(struct lermd) * sc->lsc.sc_nrbuf;
162 sc->lsc.sc_tmdaddr = mem;
163 mem += sizeof(struct letmd) * sc->lsc.sc_ntbuf;
164 for (i = 0; i < sc->lsc.sc_nrbuf; i++, mem += LEBLEN)
165 sc->lsc.sc_rbufaddr[i] = mem;
166 for (i = 0; i < sc->lsc.sc_ntbuf; i++, mem += LEBLEN)
167 sc->lsc.sc_tbufaddr[i] = mem;
168
169 if (mem > sc->lsc.sc_memsize)
170 panic("%s: memsize", device_xname(sc->lsc.sc_dev));
171 }
172
173 /*
174 * Set up the initialization block and the descriptor rings.
175 */
176 static void
177 am79900_meminit(struct lance_softc *sc)
178 {
179 u_long a;
180 int bix;
181 struct leinit init;
182 struct lermd rmd;
183 struct letmd tmd;
184 uint8_t *myaddr;
185
186 if (ifp->if_flags & IFF_PROMISC)
187 init.init_mode = LE_MODE_NORMAL | LE_MODE_PROM;
188 else
189 init.init_mode = LE_MODE_NORMAL;
190 if (sc->sc_initmodemedia == 1)
191 init.init_mode |= LE_MODE_PSEL0;
192
193 init.init_mode |= ((ffs(sc->sc_ntbuf) - 1) << 28)
194 | ((ffs(sc->sc_nrbuf) - 1) << 20);
195
196 /*
197 * Update our private copy of the Ethernet address.
198 * We NEED the copy so we can ensure its alignment!
199 */
200 memcpy(sc->sc_enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN);
201 myaddr = sc->sc_enaddr;
202
203 init.init_padr[0] = myaddr[0] | (myaddr[1] << 8)
204 | (myaddr[2] << 16) | (myaddr[3] << 24);
205 init.init_padr[1] = myaddr[4] | (myaddr[5] << 8);
206 lance_setladrf(&sc->sc_ethercom, init.init_ladrf);
207
208 sc->sc_last_rd = 0;
209 sc->sc_first_td = sc->sc_last_td = sc->sc_no_td = 0;
210
211 a = sc->sc_addr + LE_RMDADDR(sc, 0);
212 init.init_rdra = a;
213
214 a = sc->sc_addr + LE_TMDADDR(sc, 0);
215 init.init_tdra = a;
216
217 (*sc->sc_copytodesc)(sc, &init, LE_INITADDR(sc), sizeof(init));
218
219 /*
220 * Set up receive ring descriptors.
221 */
222 for (bix = 0; bix < sc->sc_nrbuf; bix++) {
223 a = sc->sc_addr + LE_RBUFADDR(sc, bix);
224 rmd.rmd0 = a;
225 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff);
226 rmd.rmd2 = 0;
227 rmd.rmd3 = 0;
228 (*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
229 sizeof(rmd));
230 }
231
232 /*
233 * Set up transmit ring descriptors.
234 */
235 for (bix = 0; bix < sc->sc_ntbuf; bix++) {
236 a = sc->sc_addr + LE_TBUFADDR(sc, bix);
237 tmd.tmd0 = a;
238 tmd.tmd1 = LE_T1_ONES;
239 tmd.tmd2 = 0;
240 tmd.tmd3 = 0;
241 (*sc->sc_copytodesc)(sc, &tmd, LE_TMDADDR(sc, bix),
242 sizeof(tmd));
243 }
244 }
245
246 static inline void
247 am79900_rint(struct lance_softc *sc)
248 {
249 int bix;
250 int rp;
251 struct lermd rmd;
252
253 bix = sc->sc_last_rd;
254
255 /* Process all buffers with valid data. */
256 for (;;) {
257 rp = LE_RMDADDR(sc, bix);
258 (*sc->sc_copyfromdesc)(sc, &rmd, rp, sizeof(rmd));
259
260 if (rmd.rmd1 & LE_R1_OWN)
261 break;
262
263 if (rmd.rmd1 & LE_R1_ERR) {
264 if (rmd.rmd1 & LE_R1_ENP) {
265 #ifdef LEDEBUG
266 if ((rmd.rmd1 & LE_R1_OFLO) == 0) {
267 if (rmd.rmd1 & LE_R1_FRAM)
268 printf("%s: framing error\n",
269 device_xname(sc->sc_dev));
270 if (rmd.rmd1 & LE_R1_CRC)
271 printf("%s: crc mismatch\n",
272 device_xname(sc->sc_dev));
273 }
274 #endif
275 } else {
276 if (rmd.rmd1 & LE_R1_OFLO)
277 printf("%s: overflow\n",
278 device_xname(sc->sc_dev));
279 }
280 if (rmd.rmd1 & LE_R1_BUFF)
281 printf("%s: receive buffer error\n",
282 device_xname(sc->sc_dev));
283 ifp->if_ierrors++;
284 } else if ((rmd.rmd1 & (LE_R1_STP | LE_R1_ENP)) !=
285 (LE_R1_STP | LE_R1_ENP)) {
286 printf("%s: dropping chained buffer\n",
287 device_xname(sc->sc_dev));
288 ifp->if_ierrors++;
289 } else {
290 #ifdef LEDEBUG
291 if (sc->sc_debug)
292 am79900_recv_print(sc, sc->sc_last_rd);
293 #endif
294 lance_read(sc, LE_RBUFADDR(sc, bix),
295 (rmd.rmd2 & 0xfff) - 4);
296 }
297
298 rmd.rmd1 = LE_R1_OWN | LE_R1_ONES | (-LEBLEN & 0xfff);
299 rmd.rmd2 = 0;
300 rmd.rmd3 = 0;
301 (*sc->sc_copytodesc)(sc, &rmd, rp, sizeof(rmd));
302
303 #ifdef LEDEBUG
304 if (sc->sc_debug)
305 printf("sc->sc_last_rd = %x, rmd: "
306 "adr %08x, flags/blen %08x\n",
307 sc->sc_last_rd,
308 rmd.rmd0, rmd.rmd1);
309 #endif
310
311 if (++bix == sc->sc_nrbuf)
312 bix = 0;
313 }
314
315 sc->sc_last_rd = bix;
316 }
317
318 static inline void
319 am79900_tint(struct lance_softc *sc)
320 {
321 int bix;
322 struct letmd tmd;
323
324 bix = sc->sc_first_td;
325
326 for (;;) {
327 if (sc->sc_no_td <= 0)
328 break;
329
330 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, bix),
331 sizeof(tmd));
332
333 #ifdef LEDEBUG
334 if (sc->sc_debug)
335 printf("trans tmd: "
336 "adr %08x, flags/blen %08x\n",
337 tmd.tmd0, tmd.tmd1);
338 #endif
339
340 if (tmd.tmd1 & LE_T1_OWN)
341 break;
342
343 ifp->if_flags &= ~IFF_OACTIVE;
344
345 if (tmd.tmd1 & LE_T1_ERR) {
346 if (tmd.tmd2 & LE_T2_BUFF)
347 printf("%s: transmit buffer error\n",
348 device_xname(sc->sc_dev));
349 else if (tmd.tmd2 & LE_T2_UFLO)
350 printf("%s: underflow\n",
351 device_xname(sc->sc_dev));
352 if (tmd.tmd2 & (LE_T2_BUFF | LE_T2_UFLO)) {
353 lance_reset(sc);
354 return;
355 }
356 if (tmd.tmd2 & LE_T2_LCAR) {
357 sc->sc_havecarrier = 0;
358 if (sc->sc_nocarrier)
359 (*sc->sc_nocarrier)(sc);
360 else
361 printf("%s: lost carrier\n",
362 device_xname(sc->sc_dev));
363 }
364 if (tmd.tmd2 & LE_T2_LCOL)
365 ifp->if_collisions++;
366 if (tmd.tmd2 & LE_T2_RTRY) {
367 #ifdef LEDEBUG
368 printf("%s: excessive collisions\n",
369 device_xname(sc->sc_dev));
370 #endif
371 ifp->if_collisions += 16;
372 }
373 ifp->if_oerrors++;
374 } else {
375 if (tmd.tmd1 & LE_T1_ONE)
376 ifp->if_collisions++;
377 else if (tmd.tmd1 & LE_T1_MORE)
378 /* Real number is unknown. */
379 ifp->if_collisions += 2;
380 ifp->if_opackets++;
381 }
382
383 if (++bix == sc->sc_ntbuf)
384 bix = 0;
385
386 --sc->sc_no_td;
387 }
388
389 sc->sc_first_td = bix;
390
391 if_schedule_deferred_start(ifp);
392
393 if (sc->sc_no_td == 0)
394 ifp->if_timer = 0;
395 }
396
397 /*
398 * Controller interrupt.
399 */
400 int
401 am79900_intr(void *arg)
402 {
403 struct lance_softc *sc = arg;
404 uint16_t isr;
405
406 isr = (*sc->sc_rdcsr)(sc, LE_CSR0) | sc->sc_saved_csr0;
407 sc->sc_saved_csr0 = 0;
408 #if defined(LEDEBUG) && LEDEBUG > 1
409 if (sc->sc_debug)
410 printf("%s: am79900_intr entering with isr=%04x\n",
411 device_xname(sc->sc_dev), isr);
412 #endif
413 if ((isr & LE_C0_INTR) == 0)
414 return (0);
415
416 (*sc->sc_wrcsr)(sc, LE_CSR0,
417 isr & (LE_C0_INEA | LE_C0_BABL | LE_C0_MISS | LE_C0_MERR |
418 LE_C0_RINT | LE_C0_TINT | LE_C0_IDON));
419 if (isr & LE_C0_ERR) {
420 if (isr & LE_C0_BABL) {
421 #ifdef LEDEBUG
422 printf("%s: babble\n", device_xname(sc->sc_dev));
423 #endif
424 ifp->if_oerrors++;
425 }
426 #if 0
427 if (isr & LE_C0_CERR) {
428 printf("%s: collision error\n",
429 device_xname(sc->sc_dev));
430 ifp->if_collisions++;
431 }
432 #endif
433 if (isr & LE_C0_MISS) {
434 #ifdef LEDEBUG
435 printf("%s: missed packet\n", device_xname(sc->sc_dev));
436 #endif
437 ifp->if_ierrors++;
438 }
439 if (isr & LE_C0_MERR) {
440 printf("%s: memory error\n", device_xname(sc->sc_dev));
441 lance_reset(sc);
442 return (1);
443 }
444 }
445
446 if ((isr & LE_C0_RXON) == 0) {
447 printf("%s: receiver disabled\n", device_xname(sc->sc_dev));
448 ifp->if_ierrors++;
449 lance_reset(sc);
450 return (1);
451 }
452 if ((isr & LE_C0_TXON) == 0) {
453 printf("%s: transmitter disabled\n", device_xname(sc->sc_dev));
454 ifp->if_oerrors++;
455 lance_reset(sc);
456 return (1);
457 }
458
459 /*
460 * Pretend we have carrier; if we don't this will be cleared
461 * shortly.
462 */
463 sc->sc_havecarrier = 1;
464
465 if (isr & LE_C0_RINT)
466 am79900_rint(sc);
467 if (isr & LE_C0_TINT)
468 am79900_tint(sc);
469
470 rnd_add_uint32(&sc->rnd_source, isr);
471
472 return (1);
473 }
474
475 #undef ifp
476
477 /*
478 * Setup output on interface.
479 * Get another datagram to send off of the interface queue, and map it to the
480 * interface before starting the output.
481 * Called only at splnet or interrupt level.
482 */
483 static void
484 am79900_start(struct ifnet *ifp)
485 {
486 struct lance_softc *sc = ifp->if_softc;
487 int bix;
488 struct mbuf *m;
489 struct letmd tmd;
490 int rp;
491 int len;
492
493 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING)
494 return;
495
496 bix = sc->sc_last_td;
497
498 for (;;) {
499 rp = LE_TMDADDR(sc, bix);
500 (*sc->sc_copyfromdesc)(sc, &tmd, rp, sizeof(tmd));
501
502 if (tmd.tmd1 & LE_T1_OWN) {
503 ifp->if_flags |= IFF_OACTIVE;
504 printf("missing buffer, no_td = %d, last_td = %d\n",
505 sc->sc_no_td, sc->sc_last_td);
506 }
507
508 IFQ_DEQUEUE(&ifp->if_snd, m);
509 if (m == 0)
510 break;
511
512 /*
513 * If BPF is listening on this interface, let it see the packet
514 * before we commit it to the wire.
515 */
516 bpf_mtap(ifp, m);
517
518 /*
519 * Copy the mbuf chain into the transmit buffer.
520 */
521 len = lance_put(sc, LE_TBUFADDR(sc, bix), m);
522
523 #ifdef LEDEBUG
524 if (len > ETHERMTU + sizeof(struct ether_header))
525 printf("packet length %d\n", len);
526 #endif
527
528 ifp->if_timer = 5;
529
530 /*
531 * Init transmit registers, and set transmit start flag.
532 */
533 tmd.tmd1 = LE_T1_OWN | LE_T1_STP | LE_T1_ENP | LE_T1_ONES | (-len & 0xfff);
534 tmd.tmd2 = 0;
535 tmd.tmd3 = 0;
536
537 (*sc->sc_copytodesc)(sc, &tmd, rp, sizeof(tmd));
538
539 #ifdef LEDEBUG
540 if (sc->sc_debug)
541 am79900_xmit_print(sc, sc->sc_last_td);
542 #endif
543
544 (*sc->sc_wrcsr)(sc, LE_CSR0, LE_C0_INEA | LE_C0_TDMD);
545
546 if (++bix == sc->sc_ntbuf)
547 bix = 0;
548
549 if (++sc->sc_no_td == sc->sc_ntbuf) {
550 ifp->if_flags |= IFF_OACTIVE;
551 break;
552 }
553
554 }
555
556 sc->sc_last_td = bix;
557 }
558
559 #ifdef LEDEBUG
560 static void
561 am79900_recv_print(struct lance_softc *sc, int no)
562 {
563 struct lermd rmd;
564 uint16_t len;
565 struct ether_header eh;
566
567 (*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd));
568 len = (rmd.rmd2 & 0xfff) - 4;
569 printf("%s: receive buffer %d, len = %d\n",
570 device_xname(sc->sc_dev), no, len);
571 printf("%s: status %04x\n", device_xname(sc->sc_dev),
572 (*sc->sc_rdcsr)(sc, LE_CSR0));
573 printf("%s: adr %08x, flags/blen %08x\n",
574 device_xname(sc->sc_dev), rmd.rmd0, rmd.rmd1);
575 if (len >= sizeof(eh)) {
576 (*sc->sc_copyfrombuf)(sc, &eh, LE_RBUFADDR(sc, no), sizeof(eh));
577 printf("%s: dst %s", device_xname(sc->sc_dev),
578 ether_sprintf(eh.ether_dhost));
579 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost),
580 ntohs(eh.ether_type));
581 }
582 }
583
584 static void
585 am79900_xmit_print(struct lance_softc *sc, int no)
586 {
587 struct letmd tmd;
588 uint16_t len;
589 struct ether_header eh;
590
591 (*sc->sc_copyfromdesc)(sc, &tmd, LE_TMDADDR(sc, no), sizeof(tmd));
592 len = -(tmd.tmd1 & 0xfff);
593 printf("%s: transmit buffer %d, len = %d\n",
594 device_xname(sc->sc_dev), no, len);
595 printf("%s: status %04x\n", device_xname(sc->sc_dev),
596 (*sc->sc_rdcsr)(sc, LE_CSR0));
597 printf("%s: adr %08x, flags/blen %08x\n",
598 device_xname(sc->sc_dev), tmd.tmd0, tmd.tmd1);
599 if (len >= sizeof(eh)) {
600 (*sc->sc_copyfrombuf)(sc, &eh, LE_TBUFADDR(sc, no), sizeof(eh));
601 printf("%s: dst %s", device_xname(sc->sc_dev),
602 ether_sprintf(eh.ether_dhost));
603 printf(" src %s type %04x\n", ether_sprintf(eh.ether_shost),
604 ntohs(eh.ether_type));
605 }
606 }
607 #endif /* LEDEBUG */
608