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kqueue: Use wakeup_one based on # of threads sleep on kqueue
[dragonfly.git] / sys / dev / netif / de / if_de.c
blobd66576087173b7fb5575ca3410e255493c28dcad
1 /* $NetBSD: if_de.c,v 1.86 1999/06/01 19:17:59 thorpej Exp $ */
2 /*-
3 * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
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. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * Id: if_de.c,v 1.94 1997/07/03 16:55:07 thomas Exp
26 */
27
28 /*
29 * DEC 21040 PCI Ethernet Controller
30 *
31 * Written by Matt Thomas
32 * BPF support code stolen directly from if_ec.c
33 *
34 * This driver supports the DEC DE435 or any other PCI
35 * board which support 21040, 21041, or 21140 (mostly).
36 */
37
38 #include <sys/cdefs.h>
39 __FBSDID("$FreeBSD: head/sys/dev/de/if_de.c 271849 2014-09-19 03:51:26Z glebius $");
40
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/endian.h>
44 #include <sys/mbuf.h>
45 #include <sys/socket.h>
46 #include <sys/sockio.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
49 #include <sys/eventhandler.h>
50 #include <sys/bus.h>
51 #include <sys/rman.h>
52 #include <sys/thread2.h>
53 #include <sys/interrupt.h>
54
55 #include "opt_inet.h"
56
57 #include <net/if.h>
58 #include <net/if_media.h>
59 #include <net/if_dl.h>
60 #include <net/ifq_var.h>
61 #include <net/bpf.h>
62
63 #ifdef INET
64 #include <netinet/in.h>
65 #include <netinet/if_ether.h>
66 #endif
67
68 #include <vm/vm.h>
69
70 #include <net/if_var.h>
71 #include <vm/pmap.h>
72 #include <bus/pci/pcivar.h>
73 #include <bus/pci/pcireg.h>
74 #include <dev/netif/de/dc21040reg.h>
75
76 /*
77 * Intel CPUs should use I/O mapped access.
78 */
79 #if defined(__i386__)
80 #define TULIP_IOMAPPED
81 #endif
82
83 #define TULIP_HZ 10
84
85 #include "if_devar.h"
86
87 #define SYNC_NONE 0
88 #define SYNC_RX 1
89 #define SYNC_TX 2
90
91 static tulip_softc_t *tulips[TULIP_MAX_DEVICES];
92
93 /*
94 * This module supports
95 * the DEC 21040 PCI Ethernet Controller.
96 * the DEC 21041 PCI Ethernet Controller.
97 * the DEC 21140 PCI Fast Ethernet Controller.
98 */
99 static void tulip_mii_autonegotiate(tulip_softc_t *, u_int);
100 static void tulip_intr_shared(void *);
101 static void tulip_intr_normal(void *);
102 static void tulip_init(tulip_softc_t *);
103 static void tulip_reset(tulip_softc_t *);
104 static void tulip_ifstart(struct ifnet *, struct ifaltq_subque *);
105 static struct mbuf *tulip_txput(tulip_softc_t *, struct mbuf *);
106 static void tulip_txput_setup(tulip_softc_t *);
107 static void tulip_rx_intr(tulip_softc_t *);
108 static void tulip_addr_filter(tulip_softc_t *);
109 static u_int tulip_mii_readreg(tulip_softc_t *, u_int, u_int);
110 static void tulip_mii_writereg(tulip_softc_t *, u_int, u_int, u_int);
111 static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
112 static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t *);
113 static int tulip_srom_decode(tulip_softc_t *);
114 static int tulip_ifmedia_change(struct ifnet *);
115 static void tulip_ifmedia_status(struct ifnet *, struct ifmediareq *);
116 static struct mbuf *tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di,
117 int sync);
118 static void tulip_dma_map_addr(void *, bus_dma_segment_t *, int, int);
119 static void tulip_dma_map_rxbuf(void *, bus_dma_segment_t *, int,
120 bus_size_t, int);
121
122 static void
123 tulip_dma_map_addr(void *arg, bus_dma_segment_t *segs, int nseg, int error)
124 {
125 bus_addr_t *paddr;
126
127 if (error)
128 return;
129
130 paddr = arg;
131 *paddr = segs->ds_addr;
132 }
133
134 static void
135 tulip_dma_map_rxbuf(void *arg, bus_dma_segment_t *segs, int nseg,
136 bus_size_t mapsize, int error)
137 {
138 tulip_desc_t *desc;
139
140 if (error)
141 return;
142
143 desc = arg;
144 KASSERT(nseg == 1, ("too many DMA segments"));
145 KASSERT(segs[0].ds_len >= TULIP_RX_BUFLEN, ("receive buffer too small"));
146
147 desc->d_addr1 = segs[0].ds_addr & 0xffffffff;
148 desc->d_length1 = TULIP_RX_BUFLEN;
149 #ifdef not_needed
150 /* These should already always be zero. */
151 desc->d_addr2 = 0;
152 desc->d_length2 = 0;
153 #endif
154 }
155
156 static struct mbuf *
157 tulip_dequeue_mbuf(tulip_ringinfo_t *ri, tulip_descinfo_t *di, int sync)
158 {
159 struct mbuf *m;
160
161 m = di->di_mbuf;
162 if (m != NULL) {
163 switch (sync) {
164 case SYNC_NONE:
165 break;
166 case SYNC_RX:
167 TULIP_RXMAP_POSTSYNC(ri, di);
168 break;
169 case SYNC_TX:
170 TULIP_TXMAP_POSTSYNC(ri, di);
171 break;
172 default:
173 panic("bad sync flag: %d", sync);
174 }
175 bus_dmamap_unload(ri->ri_data_tag, *di->di_map);
176 di->di_mbuf = NULL;
177 }
178 return (m);
179 }
180
181 static void
182 tulip_timeout_callback(void *arg)
183 {
184 tulip_softc_t *sc = arg;
185
186 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer);
187 sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
188 sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
189 (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
190 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer);
191 }
192
193 static void
194 tulip_timeout(tulip_softc_t *sc)
195 {
196 if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
197 return;
198 sc->tulip_flags |= TULIP_TIMEOUTPENDING;
199 callout_reset(&sc->tulip_callout, (hz + TULIP_HZ / 2) / TULIP_HZ,
200 tulip_timeout_callback, sc);
201 }
202
203 static int
204 tulip_txprobe(tulip_softc_t *sc)
205 {
206 struct mbuf *m;
207
208 /*
209 * Before we are sure this is the right media we need
210 * to send a small packet to make sure there's carrier.
211 * Strangely, BNC and AUI will "see" receive data if
212 * either is connected so the transmit is the only way
213 * to verify the connectivity.
214 */
215 MGETHDR(m, M_NOWAIT, MT_DATA);
216 if (m == NULL)
217 return 0;
218 /*
219 * Construct a LLC TEST message which will point to ourselves.
220 */
221 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_dhost,
222 ETHER_ADDR_LEN);
223 bcopy(sc->arpcom.ac_enaddr, mtod(m, struct ether_header *)->ether_shost,
224 ETHER_ADDR_LEN);
225 mtod(m, struct ether_header *)->ether_type = htons(3);
226 mtod(m, unsigned char *)[14] = 0;
227 mtod(m, unsigned char *)[15] = 0;
228 mtod(m, unsigned char *)[16] = 0xE3; /* LLC Class1 TEST (no poll) */
229 m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
230 /*
231 * send it!
232 */
233 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
234 sc->tulip_intrmask |= TULIP_STS_TXINTR;
235 sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
236 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
237 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
238 if ((m = tulip_txput(sc, m)) != NULL)
239 m_freem(m);
240 sc->tulip_probe.probe_txprobes++;
241 return 1;
242 }
243
244 static void
245 tulip_media_set(tulip_softc_t *sc, tulip_media_t media)
246 {
247 const tulip_media_info_t *mi = sc->tulip_mediums[media];
248
249 if (mi == NULL)
250 return;
251
252 /*
253 * If we are switching media, make sure we don't think there's
254 * any stale RX activity
255 */
256 sc->tulip_flags &= ~TULIP_RXACT;
257 if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
258 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
259 TULIP_CSR_WRITE(sc, csr_sia_tx_rx, mi->mi_sia_tx_rx);
260 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
261 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_control|mi->mi_sia_general);
262 DELAY(50);
263 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_gp_data|mi->mi_sia_general);
264 } else {
265 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_sia_general);
266 }
267 TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
268 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
269 #define TULIP_GPR_CMDBITS (TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
270 /*
271 * If the cmdmode bits don't match the currently operating mode,
272 * set the cmdmode appropriately and reset the chip.
273 */
274 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
275 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
276 sc->tulip_cmdmode |= mi->mi_cmdmode;
277 tulip_reset(sc);
278 }
279 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
280 DELAY(10);
281 TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
282 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
283 /*
284 * If the cmdmode bits don't match the currently operating mode,
285 * set the cmdmode appropriately and reset the chip.
286 */
287 if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
288 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
289 sc->tulip_cmdmode |= mi->mi_cmdmode;
290 tulip_reset(sc);
291 }
292 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
293 TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
294 } else if (mi->mi_type == TULIP_MEDIAINFO_MII
295 && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
296 int idx;
297 if (sc->tulip_features & TULIP_HAVE_SIAGP) {
298 const u_int8_t *dp;
299 dp = &sc->tulip_rombuf[mi->mi_reset_offset];
300 for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
301 DELAY(10);
302 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
303 }
304 sc->tulip_phyaddr = mi->mi_phyaddr;
305 dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
306 for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
307 DELAY(10);
308 TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
309 }
310 } else {
311 for (idx = 0; idx < mi->mi_reset_length; idx++) {
312 DELAY(10);
313 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
314 }
315 sc->tulip_phyaddr = mi->mi_phyaddr;
316 for (idx = 0; idx < mi->mi_gpr_length; idx++) {
317 DELAY(10);
318 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
319 }
320 }
321 if (sc->tulip_flags & TULIP_TRYNWAY) {
322 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
323 } else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
324 u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
325 data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
326 sc->tulip_flags &= ~TULIP_DIDNWAY;
327 if (TULIP_IS_MEDIA_FD(media))
328 data |= PHYCTL_FULL_DUPLEX;
329 if (TULIP_IS_MEDIA_100MB(media))
330 data |= PHYCTL_SELECT_100MB;
331 tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
332 }
333 }
334 }
335
336 static void
337 tulip_linkup(tulip_softc_t *sc, tulip_media_t media)
338 {
339 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
340 sc->tulip_flags |= TULIP_PRINTLINKUP;
341 sc->tulip_flags |= TULIP_LINKUP;
342 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd);
343 #if 0 /* XXX how does with work with ifmedia? */
344 if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
345 if (sc->arpcom.ac_if.if_flags & IFF_FULLDUPLEX) {
346 if (TULIP_CAN_MEDIA_FD(media)
347 && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
348 media = TULIP_FD_MEDIA_OF(media);
349 } else {
350 if (TULIP_IS_MEDIA_FD(media)
351 && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
352 media = TULIP_HD_MEDIA_OF(media);
353 }
354 }
355 #endif
356 if (sc->tulip_media != media) {
357 sc->tulip_media = media;
358 sc->tulip_flags |= TULIP_PRINTMEDIA;
359 if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
360 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
361 } else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
362 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
363 }
364 }
365 /*
366 * We could set probe_timeout to 0 but setting to 3000 puts this
367 * in one central place and the only matters is tulip_link is
368 * followed by a tulip_timeout. Therefore setting it should not
369 * result in aberrant behavour.
370 */
371 sc->tulip_probe_timeout = 3000;
372 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
373 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
374 if (sc->tulip_flags & TULIP_INRESET) {
375 tulip_media_set(sc, sc->tulip_media);
376 } else if (sc->tulip_probe_media != sc->tulip_media) {
377 /*
378 * No reason to change media if we have the right media.
379 */
380 tulip_reset(sc);
381 }
382 tulip_init(sc);
383 }
384
385 static void
386 tulip_media_print(tulip_softc_t *sc)
387 {
388 if ((sc->tulip_flags & TULIP_LINKUP) == 0)
389 return;
390 if (sc->tulip_flags & TULIP_PRINTMEDIA) {
391 if_printf(&sc->arpcom.ac_if, "enabling %s port\n",
392 tulip_mediums[sc->tulip_media]);
393 sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
394 } else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
395 if_printf(&sc->arpcom.ac_if, "link up\n");
396 sc->tulip_flags &= ~TULIP_PRINTLINKUP;
397 }
398 }
399
400 static tulip_link_status_t
401 tulip_media_link_monitor(tulip_softc_t *sc)
402 {
403 const tulip_media_info_t *mi = sc->tulip_mediums[sc->tulip_media];
404 tulip_link_status_t linkup = TULIP_LINK_DOWN;
405
406 if (mi == NULL) {
407 #if defined(DIAGNOSTIC)
408 panic("tulip_media_link_monitor: %s: botch at line %d\n",
409 tulip_mediums[sc->tulip_media],__LINE__);
410 #endif
411 return TULIP_LINK_UNKNOWN;
412 }
413
414
415 /*
416 * Have we seen some packets? If so, the link must be good.
417 */
418 if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
419 sc->tulip_flags &= ~TULIP_RXACT;
420 sc->tulip_probe_timeout = 3000;
421 return TULIP_LINK_UP;
422 }
423
424 sc->tulip_flags &= ~TULIP_RXACT;
425 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
426 u_int32_t status;
427 /*
428 * Read the PHY status register.
429 */
430 status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
431 if (status & PHYSTS_AUTONEG_DONE) {
432 /*
433 * If the PHY has completed autonegotiation, see the if the
434 * remote systems abilities have changed. If so, upgrade or
435 * downgrade as appropriate.
436 */
437 u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
438 abilities = (abilities << 6) & status;
439 if (abilities != sc->tulip_abilities) {
440 if (tulip_mii_map_abilities(sc, abilities)) {
441 tulip_linkup(sc, sc->tulip_probe_media);
442 return TULIP_LINK_UP;
443 }
444 /*
445 * if we had selected media because of autonegotiation,
446 * we need to probe for the new media.
447 */
448 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
449 if (sc->tulip_flags & TULIP_DIDNWAY)
450 return TULIP_LINK_DOWN;
451 }
452 }
453 /*
454 * The link is now up. If was down, say its back up.
455 */
456 if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
457 linkup = TULIP_LINK_UP;
458 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
459 /*
460 * No activity sensor? Assume all's well.
461 */
462 if (mi->mi_actmask == 0)
463 return TULIP_LINK_UNKNOWN;
464 /*
465 * Does the activity data match?
466 */
467 if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
468 linkup = TULIP_LINK_UP;
469 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
470 /*
471 * Assume non TP ok for now.
472 */
473 if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
474 return TULIP_LINK_UNKNOWN;
475 if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
476 linkup = TULIP_LINK_UP;
477 } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
478 return TULIP_LINK_UNKNOWN;
479 }
480 /*
481 * We will wait for 3 seconds until the link goes into suspect mode.
482 */
483 if (sc->tulip_flags & TULIP_LINKUP) {
484 if (linkup == TULIP_LINK_UP)
485 sc->tulip_probe_timeout = 3000;
486 if (sc->tulip_probe_timeout > 0)
487 return TULIP_LINK_UP;
488
489 sc->tulip_flags &= ~TULIP_LINKUP;
490 if_printf(&sc->arpcom.ac_if, "link down: cable problem?\n");
491 }
492 return TULIP_LINK_DOWN;
493 }
494
495 static void
496 tulip_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
497 {
498 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
499 && event == TULIP_MEDIAPOLL_TIMER) {
500 switch (tulip_media_link_monitor(sc)) {
501 case TULIP_LINK_DOWN: {
502 /*
503 * Link Monitor failed. Probe for new media.
504 */
505 event = TULIP_MEDIAPOLL_LINKFAIL;
506 break;
507 }
508 case TULIP_LINK_UP: {
509 /*
510 * Check again soon.
511 */
512 tulip_timeout(sc);
513 return;
514 }
515 case TULIP_LINK_UNKNOWN: {
516 /*
517 * We can't tell so don't bother.
518 */
519 return;
520 }
521 }
522 }
523
524 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
525 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
526 if (TULIP_DO_AUTOSENSE(sc)) {
527 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
528 if (sc->arpcom.ac_if.if_flags & IFF_UP)
529 tulip_reset(sc); /* restart probe */
530 }
531 return;
532 }
533 }
534
535 if (event == TULIP_MEDIAPOLL_START) {
536 ifq_set_oactive(&sc->arpcom.ac_if.if_snd);
537 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
538 return;
539 sc->tulip_probe_mediamask = 0;
540 sc->tulip_probe_passes = 0;
541 /*
542 * If the SROM contained an explicit media to use, use it.
543 */
544 sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
545 sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
546 sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
547 /*
548 * connidx is defaulted to a media_unknown type.
549 */
550 sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
551 if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
552 tulip_linkup(sc, sc->tulip_probe_media);
553 tulip_timeout(sc);
554 return;
555 }
556
557 if (sc->tulip_features & TULIP_HAVE_GPR) {
558 sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
559 sc->tulip_probe_timeout = 2000;
560 } else {
561 sc->tulip_probe_media = TULIP_MEDIA_MAX;
562 sc->tulip_probe_timeout = 0;
563 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
564 }
565 }
566
567 /*
568 * Ignore txprobe failures or spurious callbacks.
569 */
570 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
571 && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
572 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
573 return;
574 }
575
576 /*
577 * If we really transmitted a packet, then that's the media we'll use.
578 */
579 if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
580 if (event == TULIP_MEDIAPOLL_LINKPASS) {
581 /* XXX Check media status just to be sure */
582 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
583 }
584 tulip_linkup(sc, sc->tulip_probe_media);
585 tulip_timeout(sc);
586 return;
587 }
588
589 if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
590 /*
591 * Brute force. We cycle through each of the media types
592 * and try to transmit a packet.
593 */
594 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
595 sc->tulip_probe_media = TULIP_MEDIA_MAX;
596 sc->tulip_probe_timeout = 0;
597 tulip_timeout(sc);
598 return;
599 }
600
601 if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
602 && (sc->tulip_features & TULIP_HAVE_MII)) {
603 tulip_media_t old_media = sc->tulip_probe_media;
604 tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
605 switch (sc->tulip_probe_state) {
606 case TULIP_PROBE_FAILED:
607 case TULIP_PROBE_MEDIATEST: {
608 /*
609 * Try the next media.
610 */
611 sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
612 sc->tulip_probe_timeout = 0;
613 #ifdef notyet
614 if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
615 break;
616 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
617 break;
618 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
619 #endif
620 break;
621 }
622 case TULIP_PROBE_PHYAUTONEG: {
623 return;
624 }
625 case TULIP_PROBE_INACTIVE: {
626 /*
627 * Only probe if we autonegotiated a media that hasn't failed.
628 */
629 sc->tulip_probe_timeout = 0;
630 if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
631 sc->tulip_probe_media = old_media;
632 break;
633 }
634 tulip_linkup(sc, sc->tulip_probe_media);
635 tulip_timeout(sc);
636 return;
637 }
638 default: {
639 #if defined(DIAGNOSTIC)
640 panic("tulip_media_poll: botch at line %d", __LINE__);
641 #endif
642 break;
643 }
644 }
645 }
646
647 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
648 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
649 return;
650 }
651
652 /*
653 * switch to another media if we tried this one enough.
654 */
655 if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
656 /*
657 * Find the next media type to check for. Full Duplex
658 * types are not allowed.
659 */
660 do {
661 sc->tulip_probe_media -= 1;
662 if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
663 if (++sc->tulip_probe_passes == 3) {
664 if_printf(&sc->arpcom.ac_if,
665 "autosense failed: cable problem?\n");
666 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) {
667 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
668 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
669 return;
670 }
671 }
672 sc->tulip_flags ^= TULIP_TRYNWAY; /* XXX */
673 sc->tulip_probe_mediamask = 0;
674 sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
675 }
676 } while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
677 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
678 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
679
680 sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
681 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
682 sc->tulip_probe.probe_txprobes = 0;
683 tulip_reset(sc);
684 tulip_media_set(sc, sc->tulip_probe_media);
685 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
686 }
687 tulip_timeout(sc);
688
689 /*
690 * If this is hanging off a phy, we know are doing NWAY and we have
691 * forced the phy to a specific speed. Wait for link up before
692 * before sending a packet.
693 */
694 switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
695 case TULIP_MEDIAINFO_MII: {
696 if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
697 return;
698 break;
699 }
700 case TULIP_MEDIAINFO_SIA: {
701 if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
702 if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
703 return;
704 tulip_linkup(sc, sc->tulip_probe_media);
705 #ifdef notyet
706 if (sc->tulip_features & TULIP_HAVE_MII)
707 tulip_timeout(sc);
708 #endif
709 return;
710 }
711 break;
712 }
713 case TULIP_MEDIAINFO_RESET:
714 case TULIP_MEDIAINFO_SYM:
715 case TULIP_MEDIAINFO_NONE:
716 case TULIP_MEDIAINFO_GPR: {
717 break;
718 }
719 }
720 /*
721 * Try to send a packet.
722 */
723 tulip_txprobe(sc);
724 }
725
726 static void
727 tulip_media_select(tulip_softc_t *sc)
728 {
729 if (sc->tulip_features & TULIP_HAVE_GPR) {
730 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
731 DELAY(10);
732 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
733 }
734 /*
735 * If this board has no media, just return
736 */
737 if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
738 return;
739
740 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
741 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
742 (*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
743 } else {
744 tulip_media_set(sc, sc->tulip_media);
745 }
746 }
747
748 static void
749 tulip_21040_mediainfo_init(tulip_softc_t *sc, tulip_media_t media)
750 {
751 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
752 |TULIP_CMD_BACKOFFCTR;
753 sc->arpcom.ac_if.if_baudrate = 10000000;
754
755 if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
756 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
757 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
758 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
759 }
760
761 if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
762 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
763 }
764
765 if (media == TULIP_MEDIA_UNKNOWN) {
766 TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
767 }
768 }
769
770 static void
771 tulip_21040_media_probe(tulip_softc_t *sc)
772 {
773 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
774 }
775
776 static void
777 tulip_21040_10baset_only_media_probe(tulip_softc_t *sc)
778 {
779 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
780 tulip_media_set(sc, TULIP_MEDIA_10BASET);
781 sc->tulip_media = TULIP_MEDIA_10BASET;
782 }
783
784 static void
785 tulip_21040_10baset_only_media_select(tulip_softc_t *sc)
786 {
787 sc->tulip_flags |= TULIP_LINKUP;
788 if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
789 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
790 sc->tulip_flags &= ~TULIP_SQETEST;
791 } else {
792 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
793 sc->tulip_flags |= TULIP_SQETEST;
794 }
795 tulip_media_set(sc, sc->tulip_media);
796 }
797
798 static void
799 tulip_21040_auibnc_only_media_probe(tulip_softc_t *sc)
800 {
801 tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
802 sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
803 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
804 sc->tulip_media = TULIP_MEDIA_AUIBNC;
805 }
806
807 static void
808 tulip_21040_auibnc_only_media_select(tulip_softc_t *sc)
809 {
810 tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
811 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
812 }
813
814 static const tulip_boardsw_t tulip_21040_boardsw = {
815 TULIP_21040_GENERIC,
816 tulip_21040_media_probe,
817 tulip_media_select,
818 tulip_media_poll,
819 };
820
821 static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
822 TULIP_21040_GENERIC,
823 tulip_21040_10baset_only_media_probe,
824 tulip_21040_10baset_only_media_select,
825 NULL,
826 };
827
828 static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
829 TULIP_21040_GENERIC,
830 tulip_21040_auibnc_only_media_probe,
831 tulip_21040_auibnc_only_media_select,
832 NULL,
833 };
834
835 static void
836 tulip_21041_mediainfo_init(tulip_softc_t *sc)
837 {
838 tulip_media_info_t *mi = sc->tulip_mediainfo;
839
840 #ifdef notyet
841 if (sc->tulip_revinfo >= 0x20) {
842 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
843 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
844 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
845 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
846 return;
847 }
848 #endif
849 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
850 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
851 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
852 TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
853 }
854
855 static void
856 tulip_21041_media_probe(tulip_softc_t *sc)
857 {
858 sc->arpcom.ac_if.if_baudrate = 10000000;
859 sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
860 |TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
861 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
862 tulip_21041_mediainfo_init(sc);
863 }
864
865 static void
866 tulip_21041_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
867 {
868 uint32_t sia_status;
869
870 if (event == TULIP_MEDIAPOLL_LINKFAIL) {
871 if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
872 || !TULIP_DO_AUTOSENSE(sc))
873 return;
874 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
875 tulip_reset(sc); /* start probe */
876 return;
877 }
878
879 /*
880 * If we've been been asked to start a poll or link change interrupt
881 * restart the probe (and reset the tulip to a known state).
882 */
883 if (event == TULIP_MEDIAPOLL_START) {
884 ifq_set_oactive(&sc->arpcom.ac_if.if_snd);
885 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
886 #ifdef notyet
887 if (sc->tulip_revinfo >= 0x20) {
888 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
889 sc->tulip_flags |= TULIP_DIDNWAY;
890 }
891 #endif
892 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
893 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
894 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
895 sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
896 tulip_media_set(sc, TULIP_MEDIA_10BASET);
897 tulip_timeout(sc);
898 return;
899 }
900
901 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
902 return;
903
904 if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
905 tulip_linkup(sc, sc->tulip_probe_media);
906 return;
907 }
908
909 sia_status = TULIP_CSR_READ(sc, csr_sia_status);
910 TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
911 if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
912 if (sc->tulip_revinfo >= 0x20) {
913 if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
914 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
915 }
916 /*
917 * If the link has passed LinkPass, 10baseT is the
918 * proper media to use.
919 */
920 tulip_linkup(sc, sc->tulip_probe_media);
921 return;
922 }
923
924 /*
925 * wait for up to 2.4 seconds for the link to reach pass state.
926 * Only then start scanning the other media for activity.
927 * choose media with receive activity over those without.
928 */
929 if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
930 if (event != TULIP_MEDIAPOLL_TIMER)
931 return;
932 if (sc->tulip_probe_timeout > 0
933 && (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
934 tulip_timeout(sc);
935 return;
936 }
937 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
938 sc->tulip_flags |= TULIP_WANTRXACT;
939 if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
940 sc->tulip_probe_media = TULIP_MEDIA_BNC;
941 } else {
942 sc->tulip_probe_media = TULIP_MEDIA_AUI;
943 }
944 tulip_media_set(sc, sc->tulip_probe_media);
945 tulip_timeout(sc);
946 return;
947 }
948
949 /*
950 * If we failed, clear the txprobe active flag.
951 */
952 if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
953 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
954
955
956 if (event == TULIP_MEDIAPOLL_TIMER) {
957 /*
958 * If we've received something, then that's our link!
959 */
960 if (sc->tulip_flags & TULIP_RXACT) {
961 tulip_linkup(sc, sc->tulip_probe_media);
962 return;
963 }
964 /*
965 * if no txprobe active
966 */
967 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
968 && ((sc->tulip_flags & TULIP_WANTRXACT) == 0
969 || (sia_status & TULIP_SIASTS_RXACTIVITY))) {
970 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
971 tulip_txprobe(sc);
972 tulip_timeout(sc);
973 return;
974 }
975 /*
976 * Take 2 passes through before deciding to not
977 * wait for receive activity. Then take another
978 * two passes before spitting out a warning.
979 */
980 if (sc->tulip_probe_timeout <= 0) {
981 if (sc->tulip_flags & TULIP_WANTRXACT) {
982 sc->tulip_flags &= ~TULIP_WANTRXACT;
983 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
984 } else {
985 if_printf(&sc->arpcom.ac_if,
986 "autosense failed: cable problem?\n");
987 if ((sc->arpcom.ac_if.if_flags & IFF_UP) == 0) {
988 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
989 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
990 return;
991 }
992 }
993 }
994 }
995
996 /*
997 * Since this media failed to probe, try the other one.
998 */
999 sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
1000 if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
1001 sc->tulip_probe_media = TULIP_MEDIA_BNC;
1002 } else {
1003 sc->tulip_probe_media = TULIP_MEDIA_AUI;
1004 }
1005 tulip_media_set(sc, sc->tulip_probe_media);
1006 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1007 tulip_timeout(sc);
1008 }
1009
1010 static const tulip_boardsw_t tulip_21041_boardsw = {
1011 TULIP_21041_GENERIC,
1012 tulip_21041_media_probe,
1013 tulip_media_select,
1014 tulip_21041_media_poll
1015 };
1016
1017 static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
1018 { 0x20005c00, 0, /* 08-00-17 */
1019 {
1020 { 0x19, 0x0040, 0x0040 }, /* 10TX */
1021 { 0x19, 0x0040, 0x0000 }, /* 100TX */
1022 },
1023 },
1024 { 0x0281F400, 0, /* 00-A0-7D */
1025 {
1026 { 0x12, 0x0010, 0x0000 }, /* 10T */
1027 { }, /* 100TX */
1028 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1029 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1030 },
1031 },
1032 #if 0
1033 { 0x0015F420, 0, /* 00-A0-7D */
1034 {
1035 { 0x12, 0x0010, 0x0000 }, /* 10T */
1036 { }, /* 100TX */
1037 { 0x12, 0x0010, 0x0010 }, /* 100T4 */
1038 { 0x12, 0x0008, 0x0008 }, /* FULL_DUPLEX */
1039 },
1040 },
1041 #endif
1042 { 0x0281F400, 0, /* 00-A0-BE */
1043 {
1044 { 0x11, 0x8000, 0x0000 }, /* 10T */
1045 { 0x11, 0x8000, 0x8000 }, /* 100TX */
1046 { }, /* 100T4 */
1047 { 0x11, 0x4000, 0x4000 }, /* FULL_DUPLEX */
1048 },
1049 },
1050 { 0 }
1051 };
1052
1053 static tulip_media_t
1054 tulip_mii_phy_readspecific(tulip_softc_t *sc)
1055 {
1056 const tulip_phy_attr_t *attr;
1057 u_int16_t data;
1058 u_int32_t id;
1059 unsigned idx = 0;
1060 static const tulip_media_t table[] = {
1061 TULIP_MEDIA_UNKNOWN,
1062 TULIP_MEDIA_10BASET,
1063 TULIP_MEDIA_100BASETX,
1064 TULIP_MEDIA_100BASET4,
1065 TULIP_MEDIA_UNKNOWN,
1066 TULIP_MEDIA_10BASET_FD,
1067 TULIP_MEDIA_100BASETX_FD,
1068 TULIP_MEDIA_UNKNOWN
1069 };
1070
1071 /*
1072 * Don't read phy specific registers if link is not up.
1073 */
1074 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
1075 if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
1076 return TULIP_MEDIA_UNKNOWN;
1077
1078 id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
1079 tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
1080 for (attr = tulip_mii_phy_attrlist;; attr++) {
1081 if (attr->attr_id == 0)
1082 return TULIP_MEDIA_UNKNOWN;
1083 if ((id & ~0x0F) == attr->attr_id)
1084 break;
1085 }
1086
1087 if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
1088 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100TX];
1089 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1090 if ((data & pm->pm_mask) == pm->pm_value)
1091 idx = 2;
1092 }
1093 if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
1094 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_100T4];
1095 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1096 if ((data & pm->pm_mask) == pm->pm_value)
1097 idx = 3;
1098 }
1099 if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
1100 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_10T];
1101 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1102 if ((data & pm->pm_mask) == pm->pm_value)
1103 idx = 1;
1104 }
1105 if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
1106 const tulip_phy_modedata_t *pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
1107 data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
1108 idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
1109 }
1110 return table[idx];
1111 }
1112
1113 static u_int
1114 tulip_mii_get_phyaddr(tulip_softc_t *sc, u_int offset)
1115 {
1116 u_int phyaddr;
1117
1118 for (phyaddr = 1; phyaddr < 32; phyaddr++) {
1119 u_int status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1120 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1121 continue;
1122 if (offset == 0)
1123 return phyaddr;
1124 offset--;
1125 }
1126 if (offset == 0) {
1127 u_int status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
1128 if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
1129 return TULIP_MII_NOPHY;
1130 return 0;
1131 }
1132 return TULIP_MII_NOPHY;
1133 }
1134
1135 static int
1136 tulip_mii_map_abilities(tulip_softc_t *sc, u_int abilities)
1137 {
1138 sc->tulip_abilities = abilities;
1139 if (abilities & PHYSTS_100BASETX_FD) {
1140 sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
1141 } else if (abilities & PHYSTS_100BASET4) {
1142 sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
1143 } else if (abilities & PHYSTS_100BASETX) {
1144 sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
1145 } else if (abilities & PHYSTS_10BASET_FD) {
1146 sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
1147 } else if (abilities & PHYSTS_10BASET) {
1148 sc->tulip_probe_media = TULIP_MEDIA_10BASET;
1149 } else {
1150 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1151 return 0;
1152 }
1153 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
1154 return 1;
1155 }
1156
1157 static void
1158 tulip_mii_autonegotiate(tulip_softc_t *sc, u_int phyaddr)
1159 {
1160 switch (sc->tulip_probe_state) {
1161 case TULIP_PROBE_MEDIATEST:
1162 case TULIP_PROBE_INACTIVE: {
1163 sc->tulip_flags |= TULIP_DIDNWAY;
1164 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
1165 sc->tulip_probe_timeout = 3000;
1166 sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
1167 sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
1168 /* FALL THROUGH */
1169 }
1170 case TULIP_PROBE_PHYRESET: {
1171 uint32_t status;
1172 uint32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
1173 if (data & PHYCTL_RESET) {
1174 if (sc->tulip_probe_timeout > 0) {
1175 tulip_timeout(sc);
1176 return;
1177 }
1178 if_printf(&sc->arpcom.ac_if,
1179 "(phy%d): error: reset of PHY never completed!\n", phyaddr);
1180 sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
1181 sc->tulip_probe_state = TULIP_PROBE_FAILED;
1182 sc->arpcom.ac_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
1183 return;
1184 }
1185 status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1186 if ((status & PHYSTS_CAN_AUTONEG) == 0) {
1187 sc->tulip_flags &= ~TULIP_DIDNWAY;
1188 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1189 return;
1190 }
1191 if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
1192 tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
1193 tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
1194 data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
1195 sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
1196 sc->tulip_probe_timeout = 3000;
1197 /* FALL THROUGH */
1198 }
1199 case TULIP_PROBE_PHYAUTONEG: {
1200 u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
1201 u_int32_t data;
1202 if ((status & PHYSTS_AUTONEG_DONE) == 0) {
1203 if (sc->tulip_probe_timeout > 0) {
1204 tulip_timeout(sc);
1205 return;
1206 }
1207 sc->tulip_flags &= ~TULIP_DIDNWAY;
1208 sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
1209 return;
1210 }
1211 data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
1212 data = (data << 6) & status;
1213 if (!tulip_mii_map_abilities(sc, data))
1214 sc->tulip_flags &= ~TULIP_DIDNWAY;
1215 return;
1216 }
1217 default: {
1218 #if defined(DIAGNOSTIC)
1219 panic("tulip_media_poll: botch at line %d", __LINE__);
1220 #endif
1221 break;
1222 }
1223 }
1224 }
1225
1226 static void
1227 tulip_2114x_media_preset(tulip_softc_t *sc)
1228 {
1229 const tulip_media_info_t *mi = NULL;
1230 tulip_media_t media;
1231
1232 if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
1233 media = sc->tulip_media;
1234 else
1235 media = sc->tulip_probe_media;
1236
1237 sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
1238 sc->tulip_flags &= ~TULIP_SQETEST;
1239 if (media != TULIP_MEDIA_UNKNOWN && media != TULIP_MEDIA_MAX) {
1240 mi = sc->tulip_mediums[media];
1241 if (mi->mi_type == TULIP_MEDIAINFO_MII) {
1242 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1243 } else if (mi->mi_type == TULIP_MEDIAINFO_GPR
1244 || mi->mi_type == TULIP_MEDIAINFO_SYM) {
1245 sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
1246 sc->tulip_cmdmode |= mi->mi_cmdmode;
1247 } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
1248 TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
1249 }
1250 }
1251 switch (media) {
1252 case TULIP_MEDIA_BNC:
1253 case TULIP_MEDIA_AUI:
1254 case TULIP_MEDIA_10BASET: {
1255 sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
1256 sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
1257 sc->arpcom.ac_if.if_baudrate = 10000000;
1258 sc->tulip_flags |= TULIP_SQETEST;
1259 break;
1260 }
1261 case TULIP_MEDIA_10BASET_FD: {
1262 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
1263 sc->arpcom.ac_if.if_baudrate = 10000000;
1264 break;
1265 }
1266 case TULIP_MEDIA_100BASEFX:
1267 case TULIP_MEDIA_100BASET4:
1268 case TULIP_MEDIA_100BASETX: {
1269 sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
1270 sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
1271 sc->arpcom.ac_if.if_baudrate = 100000000;
1272 break;
1273 }
1274 case TULIP_MEDIA_100BASEFX_FD:
1275 case TULIP_MEDIA_100BASETX_FD: {
1276 sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
1277 sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
1278 sc->arpcom.ac_if.if_baudrate = 100000000;
1279 break;
1280 }
1281 default: {
1282 break;
1283 }
1284 }
1285 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
1286 }
1287
1288 /*
1289 ********************************************************************
1290 * Start of 21140/21140A support which does not use the MII interface
1291 */
1292
1293 static void
1294 tulip_null_media_poll(tulip_softc_t *sc, tulip_mediapoll_event_t event)
1295 {
1296 #if defined(DIAGNOSTIC)
1297 if_printf(&sc->arpcom.ac_if, "botch(media_poll) at line %d\n", __LINE__);
1298 #endif
1299 }
1300
1301 static void
1302 tulip_21140_mediainit(tulip_softc_t *sc, tulip_media_info_t *mip,
1303 tulip_media_t media, u_int gpdata, u_int cmdmode)
1304 {
1305 sc->tulip_mediums[media] = mip;
1306 mip->mi_type = TULIP_MEDIAINFO_GPR;
1307 mip->mi_cmdmode = cmdmode;
1308 mip->mi_gpdata = gpdata;
1309 }
1310
1311 static void
1312 tulip_21140_evalboard_media_probe(tulip_softc_t *sc)
1313 {
1314 tulip_media_info_t *mip = sc->tulip_mediainfo;
1315
1316 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1317 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1318 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1319 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1320 TULIP_CSR_WRITE(sc, csr_command,
1321 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1322 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1323 TULIP_CSR_WRITE(sc, csr_command,
1324 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1325 DELAY(1000000);
1326 if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
1327 sc->tulip_media = TULIP_MEDIA_10BASET;
1328 } else {
1329 sc->tulip_media = TULIP_MEDIA_100BASETX;
1330 }
1331 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1332 TULIP_GP_EB_INIT,
1333 TULIP_CMD_TXTHRSHLDCTL);
1334 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1335 TULIP_GP_EB_INIT,
1336 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1337 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1338 TULIP_GP_EB_INIT,
1339 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1340 |TULIP_CMD_SCRAMBLER);
1341 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1342 TULIP_GP_EB_INIT,
1343 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1344 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1345 }
1346
1347 static const tulip_boardsw_t tulip_21140_eb_boardsw = {
1348 TULIP_21140_DEC_EB,
1349 tulip_21140_evalboard_media_probe,
1350 tulip_media_select,
1351 tulip_null_media_poll,
1352 tulip_2114x_media_preset,
1353 };
1354
1355 static void
1356 tulip_21140_accton_media_probe(tulip_softc_t *sc)
1357 {
1358 tulip_media_info_t *mip = sc->tulip_mediainfo;
1359 u_int gpdata;
1360
1361 sc->tulip_gpinit = TULIP_GP_EB_PINS;
1362 sc->tulip_gpdata = TULIP_GP_EB_INIT;
1363 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
1364 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
1365 TULIP_CSR_WRITE(sc, csr_command,
1366 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1367 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1368 TULIP_CSR_WRITE(sc, csr_command,
1369 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1370 DELAY(1000000);
1371 gpdata = TULIP_CSR_READ(sc, csr_gp);
1372 if ((gpdata & TULIP_GP_EN1207_UTP_INIT) == 0) {
1373 sc->tulip_media = TULIP_MEDIA_10BASET;
1374 } else {
1375 if ((gpdata & TULIP_GP_EN1207_BNC_INIT) == 0) {
1376 sc->tulip_media = TULIP_MEDIA_BNC;
1377 } else {
1378 sc->tulip_media = TULIP_MEDIA_100BASETX;
1379 }
1380 }
1381 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_BNC,
1382 TULIP_GP_EN1207_BNC_INIT,
1383 TULIP_CMD_TXTHRSHLDCTL);
1384 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1385 TULIP_GP_EN1207_UTP_INIT,
1386 TULIP_CMD_TXTHRSHLDCTL);
1387 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1388 TULIP_GP_EN1207_UTP_INIT,
1389 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1390 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1391 TULIP_GP_EN1207_100_INIT,
1392 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1393 |TULIP_CMD_SCRAMBLER);
1394 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1395 TULIP_GP_EN1207_100_INIT,
1396 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1397 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1398 }
1399
1400 static const tulip_boardsw_t tulip_21140_accton_boardsw = {
1401 TULIP_21140_EN1207,
1402 tulip_21140_accton_media_probe,
1403 tulip_media_select,
1404 tulip_null_media_poll,
1405 tulip_2114x_media_preset,
1406 };
1407
1408 static void
1409 tulip_21140_smc9332_media_probe(tulip_softc_t *sc)
1410 {
1411 tulip_media_info_t *mip = sc->tulip_mediainfo;
1412 int idx, cnt = 0;
1413
1414 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
1415 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
1416 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
1417 33MHz that comes to two microseconds but wait a
1418 bit longer anyways) */
1419 TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
1420 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1421 sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
1422 sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
1423 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
1424 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
1425 DELAY(200000);
1426 for (idx = 1000; idx > 0; idx--) {
1427 u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
1428 if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
1429 if (++cnt > 100)
1430 break;
1431 } else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
1432 break;
1433 } else {
1434 cnt = 0;
1435 }
1436 DELAY(1000);
1437 }
1438 sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1439 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1440 TULIP_GP_SMC_9332_INIT,
1441 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1442 |TULIP_CMD_SCRAMBLER);
1443 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1444 TULIP_GP_SMC_9332_INIT,
1445 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1446 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1447 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1448 TULIP_GP_SMC_9332_INIT,
1449 TULIP_CMD_TXTHRSHLDCTL);
1450 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1451 TULIP_GP_SMC_9332_INIT,
1452 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1453 }
1454
1455 static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
1456 TULIP_21140_SMC_9332,
1457 tulip_21140_smc9332_media_probe,
1458 tulip_media_select,
1459 tulip_null_media_poll,
1460 tulip_2114x_media_preset,
1461 };
1462
1463 static void
1464 tulip_21140_cogent_em100_media_probe(tulip_softc_t *sc)
1465 {
1466 tulip_media_info_t *mip = sc->tulip_mediainfo;
1467 uint32_t cmdmode;
1468
1469 sc->tulip_gpinit = TULIP_GP_EM100_PINS;
1470 sc->tulip_gpdata = TULIP_GP_EM100_INIT;
1471 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
1472 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
1473
1474 cmdmode = TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_MUSTBEONE;
1475 cmdmode &= ~(TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_SCRAMBLER);
1476 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
1477 TULIP_CSR_WRITE(sc, csr_command, cmdmode);
1478 sc->tulip_media = TULIP_MEDIA_100BASEFX;
1479
1480 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX,
1481 TULIP_GP_EM100_INIT,
1482 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION);
1483 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASEFX_FD,
1484 TULIP_GP_EM100_INIT,
1485 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1486 |TULIP_CMD_FULLDUPLEX);
1487 } else {
1488 TULIP_CSR_WRITE(sc, csr_command, cmdmode|TULIP_CMD_SCRAMBLER);
1489 sc->tulip_media = TULIP_MEDIA_100BASETX;
1490 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1491 TULIP_GP_EM100_INIT,
1492 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1493 |TULIP_CMD_SCRAMBLER);
1494 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1495 TULIP_GP_EM100_INIT,
1496 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1497 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1498 }
1499 }
1500
1501 static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
1502 TULIP_21140_COGENT_EM100,
1503 tulip_21140_cogent_em100_media_probe,
1504 tulip_media_select,
1505 tulip_null_media_poll,
1506 tulip_2114x_media_preset
1507 };
1508
1509 static void
1510 tulip_21140_znyx_zx34x_media_probe(tulip_softc_t *sc)
1511 {
1512 tulip_media_info_t *mip = sc->tulip_mediainfo;
1513 int cnt10 = 0, cnt100 = 0, idx;
1514
1515 sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
1516 sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
1517 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
1518 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
1519 TULIP_CSR_WRITE(sc, csr_command,
1520 TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
1521 TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
1522 TULIP_CSR_WRITE(sc, csr_command,
1523 TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
1524
1525 DELAY(200000);
1526 for (idx = 1000; idx > 0; idx--) {
1527 uint32_t csr = TULIP_CSR_READ(sc, csr_gp);
1528 if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) {
1529 if (++cnt100 > 100)
1530 break;
1531 } else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
1532 if (++cnt10 > 100)
1533 break;
1534 } else {
1535 cnt10 = 0;
1536 cnt100 = 0;
1537 }
1538 DELAY(1000);
1539 }
1540 sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
1541 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
1542 TULIP_GP_ZX34X_INIT,
1543 TULIP_CMD_TXTHRSHLDCTL);
1544 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
1545 TULIP_GP_ZX34X_INIT,
1546 TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
1547 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
1548 TULIP_GP_ZX34X_INIT,
1549 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1550 |TULIP_CMD_SCRAMBLER);
1551 tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
1552 TULIP_GP_ZX34X_INIT,
1553 TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
1554 |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
1555 }
1556
1557 static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
1558 TULIP_21140_ZNYX_ZX34X,
1559 tulip_21140_znyx_zx34x_media_probe,
1560 tulip_media_select,
1561 tulip_null_media_poll,
1562 tulip_2114x_media_preset,
1563 };
1564
1565 static void
1566 tulip_2114x_media_probe(tulip_softc_t *sc)
1567 {
1568 sc->tulip_cmdmode |= TULIP_CMD_MUSTBEONE | TULIP_CMD_BACKOFFCTR |
1569 TULIP_CMD_THRSHLD72;
1570 }
1571
1572 static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
1573 TULIP_21140_ISV,
1574 tulip_2114x_media_probe,
1575 tulip_media_select,
1576 tulip_media_poll,
1577 tulip_2114x_media_preset,
1578 };
1579
1580 /*
1581 * ******** END of chip-specific handlers. ***********
1582 */
1583
1584 /*
1585 * Code the read the SROM and MII bit streams (I2C)
1586 */
1587 #define EMIT do { \
1588 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \
1589 DELAY(1); \
1590 } while (0)
1591
1592 static void
1593 tulip_srom_idle(tulip_softc_t *sc)
1594 {
1595 u_int bit, csr;
1596
1597 csr = SROMSEL ; EMIT;
1598 csr = SROMSEL | SROMRD; EMIT;
1599 csr ^= SROMCS; EMIT;
1600 csr ^= SROMCLKON; EMIT;
1601
1602 /*
1603 * Write 25 cycles of 0 which will force the SROM to be idle.
1604 */
1605 for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
1606 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1607 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1608 }
1609 csr ^= SROMCLKOFF; EMIT;
1610 csr ^= SROMCS; EMIT;
1611 csr = 0; EMIT;
1612 }
1613
1614 static void
1615 tulip_srom_read(tulip_softc_t *sc)
1616 {
1617 const u_int bitwidth = SROM_BITWIDTH;
1618 const u_int cmdmask = (SROMCMD_RD << bitwidth);
1619 const u_int msb = 1 << (bitwidth + 3 - 1);
1620 u_int idx, lastidx = (1 << bitwidth) - 1;
1621
1622 tulip_srom_idle(sc);
1623
1624 for (idx = 0; idx <= lastidx; idx++) {
1625 u_int lastbit, data, bits, bit, csr;
1626 csr = SROMSEL ; EMIT;
1627 csr = SROMSEL | SROMRD; EMIT;
1628 csr ^= SROMCSON; EMIT;
1629 csr ^= SROMCLKON; EMIT;
1630
1631 lastbit = 0;
1632 for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
1633 u_int thisbit = bits & msb;
1634 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1635 if (thisbit != lastbit) {
1636 csr ^= SROMDOUT; EMIT; /* clock low; invert data */
1637 } else {
1638 EMIT;
1639 }
1640 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1641 lastbit = thisbit;
1642 }
1643 csr ^= SROMCLKOFF; EMIT;
1644
1645 for (data = 0, bits = 0; bits < 16; bits++) {
1646 data <<= 1;
1647 csr ^= SROMCLKON; EMIT; /* clock high; data valid */
1648 data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
1649 csr ^= SROMCLKOFF; EMIT; /* clock low; data not valid */
1650 }
1651 sc->tulip_rombuf[idx*2] = data & 0xFF;
1652 sc->tulip_rombuf[idx*2+1] = data >> 8;
1653 csr = SROMSEL | SROMRD; EMIT;
1654 csr = 0; EMIT;
1655 }
1656 tulip_srom_idle(sc);
1657 }
1658
1659 #define MII_EMIT do { \
1660 TULIP_CSR_WRITE(sc, csr_srom_mii, csr); \
1661 DELAY(1); \
1662 } while (0)
1663
1664 static void
1665 tulip_mii_writebits(tulip_softc_t *sc, u_int data, u_int bits)
1666 {
1667 u_int csr, msb, lastbit;
1668
1669 msb = 1 << (bits - 1);
1670 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1671 lastbit = (csr & MII_DOUT) ? msb : 0;
1672 csr |= MII_WR; MII_EMIT; /* clock low; assert write */
1673
1674 for (; bits > 0; bits--, data <<= 1) {
1675 const unsigned thisbit = data & msb;
1676 if (thisbit != lastbit) {
1677 csr ^= MII_DOUT; MII_EMIT; /* clock low; invert data */
1678 }
1679 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1680 lastbit = thisbit;
1681 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1682 }
1683 }
1684
1685 static void
1686 tulip_mii_turnaround(tulip_softc_t *sc, u_int cmd)
1687 {
1688 u_int csr;
1689
1690 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1691
1692 if (cmd == MII_WRCMD) {
1693 csr |= MII_DOUT; MII_EMIT; /* clock low; change data */
1694 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1695 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1696 csr ^= MII_DOUT; MII_EMIT; /* clock low; change data */
1697 } else {
1698 csr |= MII_RD; MII_EMIT; /* clock low; switch to read */
1699 }
1700 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1701 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1702 }
1703
1704 static u_int
1705 tulip_mii_readbits(tulip_softc_t *sc)
1706 {
1707 u_int csr, data, idx;
1708
1709 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1710
1711 for (idx = 0, data = 0; idx < 16; idx++) {
1712 data <<= 1; /* this is NOOP on the first pass through */
1713 csr ^= MII_CLKON; MII_EMIT; /* clock high; data valid */
1714 if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
1715 data |= 1;
1716 csr ^= MII_CLKOFF; MII_EMIT; /* clock low; data not valid */
1717 }
1718 csr ^= MII_RD; MII_EMIT; /* clock low; turn off read */
1719
1720 return data;
1721 }
1722
1723 static u_int
1724 tulip_mii_readreg(tulip_softc_t *sc, u_int devaddr, u_int regno)
1725 {
1726 u_int csr;
1727 u_int data;
1728
1729 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1730 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
1731 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
1732 tulip_mii_writebits(sc, MII_RDCMD, 8);
1733 tulip_mii_writebits(sc, devaddr, 5);
1734 tulip_mii_writebits(sc, regno, 5);
1735 tulip_mii_turnaround(sc, MII_RDCMD);
1736
1737 data = tulip_mii_readbits(sc);
1738 return data;
1739 }
1740
1741 static void
1742 tulip_mii_writereg(tulip_softc_t *sc, u_int devaddr, u_int regno, u_int data)
1743 {
1744 u_int csr;
1745
1746 csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
1747 csr &= ~(MII_RD|MII_CLK); MII_EMIT;
1748 tulip_mii_writebits(sc, MII_PREAMBLE, 32);
1749 tulip_mii_writebits(sc, MII_WRCMD, 8);
1750 tulip_mii_writebits(sc, devaddr, 5);
1751 tulip_mii_writebits(sc, regno, 5);
1752 tulip_mii_turnaround(sc, MII_WRCMD);
1753 tulip_mii_writebits(sc, data, 16);
1754 }
1755
1756 #define tulip_mchash(mca) (ether_crc32_le(mca, 6) & 0x1FF)
1757 #define tulip_srom_crcok(databuf) ( \
1758 ((ether_crc32_le(databuf, 126) & 0xFFFFU) ^ 0xFFFFU) == \
1759 ((databuf)[126] | ((databuf)[127] << 8)))
1760
1761 static void
1762 tulip_identify_dec_nic(tulip_softc_t *sc)
1763 {
1764 strcpy(sc->tulip_boardid, "DEC ");
1765 #define D0 4
1766 if (sc->tulip_chipid <= TULIP_21040)
1767 return;
1768 if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
1769 || bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
1770 bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
1771 sc->tulip_boardid[D0+8] = ' ';
1772 }
1773 #undef D0
1774 }
1775
1776 static void
1777 tulip_identify_znyx_nic(tulip_softc_t * const sc)
1778 {
1779 u_int id = 0;
1780 strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
1781 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
1782 u_int znyx_ptr;
1783 sc->tulip_boardid[8] = '4';
1784 znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
1785 if (znyx_ptr < 26 || znyx_ptr > 116) {
1786 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1787 return;
1788 }
1789 /* ZX344 = 0010 .. 0013FF
1790 */
1791 if (sc->tulip_rombuf[znyx_ptr] == 0x4A
1792 && sc->tulip_rombuf[znyx_ptr + 1] == 0x52
1793 && sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
1794 id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
1795 if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
1796 sc->tulip_boardid[9] = '2';
1797 if (id == TULIP_ZNYX_ID_ZX342B) {
1798 sc->tulip_boardid[10] = 'B';
1799 sc->tulip_boardid[11] = ' ';
1800 }
1801 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1802 } else if (id == TULIP_ZNYX_ID_ZX344) {
1803 sc->tulip_boardid[10] = '4';
1804 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1805 } else if (id == TULIP_ZNYX_ID_ZX345) {
1806 sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
1807 } else if (id == TULIP_ZNYX_ID_ZX346) {
1808 sc->tulip_boardid[9] = '6';
1809 } else if (id == TULIP_ZNYX_ID_ZX351) {
1810 sc->tulip_boardid[8] = '5';
1811 sc->tulip_boardid[9] = '1';
1812 }
1813 }
1814 if (id == 0) {
1815 /*
1816 * Assume it's a ZX342...
1817 */
1818 sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
1819 }
1820 return;
1821 }
1822 sc->tulip_boardid[8] = '1';
1823 if (sc->tulip_chipid == TULIP_21041) {
1824 sc->tulip_boardid[10] = '1';
1825 return;
1826 }
1827 if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
1828 id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
1829 if (id == TULIP_ZNYX_ID_ZX312T) {
1830 sc->tulip_boardid[9] = '2';
1831 sc->tulip_boardid[10] = 'T';
1832 sc->tulip_boardid[11] = ' ';
1833 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1834 } else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
1835 sc->tulip_boardid[9] = '4';
1836 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1837 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1838 } else if (id == TULIP_ZNYX_ID_ZX314) {
1839 sc->tulip_boardid[9] = '4';
1840 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1841 sc->tulip_features |= TULIP_HAVE_BASEROM;
1842 } else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
1843 sc->tulip_boardid[9] = '5';
1844 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1845 } else if (id == TULIP_ZNYX_ID_ZX315) {
1846 sc->tulip_boardid[9] = '5';
1847 sc->tulip_features |= TULIP_HAVE_BASEROM;
1848 } else {
1849 id = 0;
1850 }
1851 }
1852 if (id == 0) {
1853 if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF0 && (sc->arpcom.ac_enaddr[5] & 2) == 0) {
1854 sc->tulip_boardid[9] = '4';
1855 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1856 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1857 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xF4 && (sc->arpcom.ac_enaddr[5] & 1) == 0) {
1858 sc->tulip_boardid[9] = '5';
1859 sc->tulip_boardsw = &tulip_21040_boardsw;
1860 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1861 } else if ((sc->arpcom.ac_enaddr[3] & ~3) == 0xEC) {
1862 sc->tulip_boardid[9] = '2';
1863 sc->tulip_boardsw = &tulip_21040_boardsw;
1864 }
1865 }
1866 }
1867
1868 static void
1869 tulip_identify_smc_nic(tulip_softc_t * const sc)
1870 {
1871 uint32_t id1, id2, ei;
1872 int auibnc = 0, utp = 0;
1873 char *cp;
1874
1875 strcpy(sc->tulip_boardid, "SMC ");
1876 if (sc->tulip_chipid == TULIP_21041)
1877 return;
1878 if (sc->tulip_chipid != TULIP_21040) {
1879 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
1880 strcpy(&sc->tulip_boardid[4], "9332DST ");
1881 sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
1882 } else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) {
1883 strcpy(&sc->tulip_boardid[4], "9334BDT ");
1884 } else {
1885 strcpy(&sc->tulip_boardid[4], "9332BDT ");
1886 }
1887 return;
1888 }
1889 id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
1890 id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
1891 ei = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
1892
1893 strcpy(&sc->tulip_boardid[4], "8432");
1894 cp = &sc->tulip_boardid[8];
1895 if ((id1 & 1) == 0)
1896 *cp++ = 'B', auibnc = 1;
1897 if ((id1 & 0xFF) > 0x32)
1898 *cp++ = 'T', utp = 1;
1899 if ((id1 & 0x4000) == 0)
1900 *cp++ = 'A', auibnc = 1;
1901 if (id2 == 0x15) {
1902 sc->tulip_boardid[7] = '4';
1903 *cp++ = '-';
1904 *cp++ = 'C';
1905 *cp++ = 'H';
1906 *cp++ = (ei ? '2' : '1');
1907 }
1908 *cp++ = ' ';
1909 *cp = '\0';
1910 if (utp && !auibnc)
1911 sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
1912 else if (!utp && auibnc)
1913 sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
1914 }
1915
1916 static void
1917 tulip_identify_cogent_nic(tulip_softc_t * const sc)
1918 {
1919 strcpy(sc->tulip_boardid, "Cogent ");
1920 if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
1921 if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100TX_ID) {
1922 strcat(sc->tulip_boardid, "EM100TX ");
1923 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1924 #if defined(TULIP_COGENT_EM110TX_ID)
1925 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM110TX_ID) {
1926 strcat(sc->tulip_boardid, "EM110TX ");
1927 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1928 #endif
1929 } else if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100FX_ID) {
1930 strcat(sc->tulip_boardid, "EM100FX ");
1931 sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
1932 }
1933 /*
1934 * Magic number (0x24001109U) is the SubVendor (0x2400) and
1935 * SubDevId (0x1109) for the ANA6944TX (EM440TX).
1936 */
1937 if (*(uint32_t *) sc->tulip_rombuf == 0x24001109U
1938 && (sc->tulip_features & TULIP_HAVE_BASEROM)) {
1939 /*
1940 * Cogent (Adaptec) is still mapping all INTs to INTA of
1941 * first 21140. Dumb! Dumb!
1942 */
1943 strcat(sc->tulip_boardid, "EM440TX ");
1944 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
1945 }
1946 } else if (sc->tulip_chipid == TULIP_21040) {
1947 sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
1948 }
1949 }
1950
1951 static void
1952 tulip_identify_accton_nic(tulip_softc_t * const sc)
1953 {
1954 strcpy(sc->tulip_boardid, "ACCTON ");
1955 switch (sc->tulip_chipid) {
1956 case TULIP_21140A:
1957 strcat(sc->tulip_boardid, "EN1207 ");
1958 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
1959 sc->tulip_boardsw = &tulip_21140_accton_boardsw;
1960 break;
1961 case TULIP_21140:
1962 strcat(sc->tulip_boardid, "EN1207TX ");
1963 if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw)
1964 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
1965 break;
1966 case TULIP_21040:
1967 strcat(sc->tulip_boardid, "EN1203 ");
1968 sc->tulip_boardsw = &tulip_21040_boardsw;
1969 break;
1970 case TULIP_21041:
1971 strcat(sc->tulip_boardid, "EN1203 ");
1972 sc->tulip_boardsw = &tulip_21041_boardsw;
1973 break;
1974 default:
1975 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
1976 break;
1977 }
1978 }
1979
1980 static void
1981 tulip_identify_asante_nic(tulip_softc_t * const sc)
1982 {
1983 strcpy(sc->tulip_boardid, "Asante ");
1984 if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
1985 && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
1986 tulip_media_info_t *mi = sc->tulip_mediainfo;
1987 int idx;
1988 /*
1989 * The Asante Fast Ethernet doesn't always ship with a valid
1990 * new format SROM. So if isn't in the new format, we cheat
1991 * set it up as if we had.
1992 */
1993
1994 sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
1995 sc->tulip_gpdata = 0;
1996
1997 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
1998 TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
1999 DELAY(100);
2000 TULIP_CSR_WRITE(sc, csr_gp, 0);
2001
2002 mi->mi_type = TULIP_MEDIAINFO_MII;
2003 mi->mi_gpr_length = 0;
2004 mi->mi_gpr_offset = 0;
2005 mi->mi_reset_length = 0;
2006 mi->mi_reset_offset = 0;
2007
2008 mi->mi_phyaddr = TULIP_MII_NOPHY;
2009 for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
2010 DELAY(10000);
2011 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
2012 }
2013 if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
2014 if_printf(&sc->arpcom.ac_if, "can't find phy 0\n");
2015 return;
2016 }
2017
2018 sc->tulip_features |= TULIP_HAVE_MII;
2019 mi->mi_capabilities = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2020 mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
2021 mi->mi_full_duplex = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
2022 mi->mi_tx_threshold = PHYSTS_10BASET|PHYSTS_10BASET_FD;
2023 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2024 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2025 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2026 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2027 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2028 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2029 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2030
2031 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2032 }
2033 }
2034
2035 static void
2036 tulip_identify_compex_nic(tulip_softc_t *sc)
2037 {
2038 strcpy(sc->tulip_boardid, "COMPEX ");
2039 if (sc->tulip_chipid == TULIP_21140A) {
2040 int root_unit;
2041 tulip_softc_t *root_sc = NULL;
2042
2043 strcat(sc->tulip_boardid, "400TX/PCI ");
2044 /*
2045 * All 4 chips on these boards share an interrupt. This code
2046 * copied from tulip_read_macaddr.
2047 */
2048 sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
2049 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
2050 root_sc = tulips[root_unit];
2051 if (root_sc == NULL
2052 || !(root_sc->tulip_features & TULIP_HAVE_SLAVEDINTR))
2053 break;
2054 root_sc = NULL;
2055 }
2056 if (root_sc != NULL
2057 && root_sc->tulip_chipid == sc->tulip_chipid
2058 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2059 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2060 sc->tulip_slaves = root_sc->tulip_slaves;
2061 root_sc->tulip_slaves = sc;
2062 } else if(sc->tulip_features & TULIP_HAVE_SLAVEDINTR) {
2063 if_printf(&sc->arpcom.ac_if, "can't find master device for interrupts");
2064 }
2065 } else {
2066 strcat(sc->tulip_boardid, "unknown ");
2067 }
2068 /* sc->tulip_boardsw = &tulip_21140_eb_boardsw; */
2069 return;
2070 }
2071
2072 static int
2073 tulip_srom_decode(tulip_softc_t *sc)
2074 {
2075 u_int idx1, idx2, idx3;
2076
2077 const tulip_srom_header_t *shp = (const tulip_srom_header_t *) &sc->tulip_rombuf[0];
2078 const tulip_srom_adapter_info_t *saip = (const tulip_srom_adapter_info_t *) (shp + 1);
2079 tulip_srom_media_t srom_media;
2080 tulip_media_info_t *mi = sc->tulip_mediainfo;
2081 const uint8_t *dp;
2082 uint32_t leaf_offset, blocks, data;
2083
2084 for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
2085 if (shp->sh_adapter_count == 1)
2086 break;
2087 if (saip->sai_device == sc->tulip_pci_devno)
2088 break;
2089 }
2090 /*
2091 * Didn't find the right media block for this card.
2092 */
2093 if (idx1 == shp->sh_adapter_count)
2094 return 0;
2095
2096 /*
2097 * Save the hardware address.
2098 */
2099 bcopy(shp->sh_ieee802_address, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
2100 /*
2101 * If this is a multiple port card, add the adapter index to the last
2102 * byte of the hardware address. (if it isn't multiport, adding 0
2103 * won't hurt.
2104 */
2105 sc->arpcom.ac_enaddr[5] += idx1;
2106
2107 leaf_offset = saip->sai_leaf_offset_lowbyte
2108 + saip->sai_leaf_offset_highbyte * 256;
2109 dp = sc->tulip_rombuf + leaf_offset;
2110
2111 sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
2112
2113 for (idx2 = 0;; idx2++) {
2114 if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
2115 || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
2116 break;
2117 }
2118 sc->tulip_connidx = idx2;
2119
2120 if (sc->tulip_chipid == TULIP_21041) {
2121 blocks = *dp++;
2122 for (idx2 = 0; idx2 < blocks; idx2++) {
2123 tulip_media_t media;
2124 data = *dp++;
2125 srom_media = (tulip_srom_media_t) (data & 0x3F);
2126 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2127 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2128 break;
2129 }
2130 media = tulip_srom_mediums[idx3].sm_type;
2131 if (media != TULIP_MEDIA_UNKNOWN) {
2132 if (data & TULIP_SROM_21041_EXTENDED) {
2133 mi->mi_type = TULIP_MEDIAINFO_SIA;
2134 sc->tulip_mediums[media] = mi;
2135 mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
2136 mi->mi_sia_tx_rx = dp[2] + dp[3] * 256;
2137 mi->mi_sia_general = dp[4] + dp[5] * 256;
2138 mi++;
2139 } else {
2140 switch (media) {
2141 case TULIP_MEDIA_BNC: {
2142 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
2143 mi++;
2144 break;
2145 }
2146 case TULIP_MEDIA_AUI: {
2147 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
2148 mi++;
2149 break;
2150 }
2151 case TULIP_MEDIA_10BASET: {
2152 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
2153 mi++;
2154 break;
2155 }
2156 case TULIP_MEDIA_10BASET_FD: {
2157 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
2158 mi++;
2159 break;
2160 }
2161 default: {
2162 break;
2163 }
2164 }
2165 }
2166 }
2167 if (data & TULIP_SROM_21041_EXTENDED)
2168 dp += 6;
2169 }
2170 #ifdef notdef
2171 if (blocks == 0) {
2172 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
2173 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
2174 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
2175 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
2176 }
2177 #endif
2178 } else {
2179 unsigned length, type;
2180 tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
2181 if (sc->tulip_features & TULIP_HAVE_GPR)
2182 sc->tulip_gpinit = *dp++;
2183 blocks = *dp++;
2184 for (idx2 = 0; idx2 < blocks; idx2++) {
2185 const uint8_t *ep;
2186 if ((*dp & 0x80) == 0) {
2187 length = 4;
2188 type = 0;
2189 } else {
2190 length = (*dp++ & 0x7f) - 1;
2191 type = *dp++ & 0x3f;
2192 }
2193 ep = dp + length;
2194 switch (type & 0x3f) {
2195 case 0: { /* 21140[A] GPR block */
2196 tulip_media_t media;
2197 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2198 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2199 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2200 break;
2201 }
2202 media = tulip_srom_mediums[idx3].sm_type;
2203 if (media == TULIP_MEDIA_UNKNOWN)
2204 break;
2205 mi->mi_type = TULIP_MEDIAINFO_GPR;
2206 sc->tulip_mediums[media] = mi;
2207 mi->mi_gpdata = dp[1];
2208 if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
2209 sc->tulip_gpdata = mi->mi_gpdata;
2210 gp_media = media;
2211 }
2212 data = dp[2] + dp[3] * 256;
2213 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2214 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2215 mi->mi_actmask = 0;
2216 } else {
2217 #if 0
2218 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2219 #endif
2220 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2221 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2222 }
2223 mi++;
2224 break;
2225 }
2226 case 1: { /* 21140[A] MII block */
2227 const u_int phyno = *dp++;
2228 mi->mi_type = TULIP_MEDIAINFO_MII;
2229 mi->mi_gpr_length = *dp++;
2230 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2231 dp += mi->mi_gpr_length;
2232 mi->mi_reset_length = *dp++;
2233 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2234 dp += mi->mi_reset_length;
2235
2236 /*
2237 * Before we probe for a PHY, use the GPR information
2238 * to select it. If we don't, it may be inaccessible.
2239 */
2240 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
2241 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
2242 DELAY(10);
2243 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
2244 }
2245 sc->tulip_phyaddr = mi->mi_phyaddr;
2246 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
2247 DELAY(10);
2248 TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
2249 }
2250
2251 /*
2252 * At least write something!
2253 */
2254 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2255 TULIP_CSR_WRITE(sc, csr_gp, 0);
2256
2257 mi->mi_phyaddr = TULIP_MII_NOPHY;
2258 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2259 DELAY(10000);
2260 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2261 }
2262 if (mi->mi_phyaddr == TULIP_MII_NOPHY)
2263 break;
2264 sc->tulip_features |= TULIP_HAVE_MII;
2265 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2266 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2267 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2268 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2269 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2270 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2271 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2272 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2273 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2274 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2275 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2276 mi++;
2277 break;
2278 }
2279 case 2: { /* 2114[23] SIA block */
2280 tulip_media_t media;
2281 srom_media = (tulip_srom_media_t)(dp[0] & 0x3f);
2282 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2283 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2284 break;
2285 }
2286 media = tulip_srom_mediums[idx3].sm_type;
2287 if (media == TULIP_MEDIA_UNKNOWN)
2288 break;
2289 mi->mi_type = TULIP_MEDIAINFO_SIA;
2290 sc->tulip_mediums[media] = mi;
2291 if (dp[0] & 0x40) {
2292 mi->mi_sia_connectivity = dp[1] + dp[2] * 256;
2293 mi->mi_sia_tx_rx = dp[3] + dp[4] * 256;
2294 mi->mi_sia_general = dp[5] + dp[6] * 256;
2295 dp += 6;
2296 } else {
2297 switch (media) {
2298 case TULIP_MEDIA_BNC: {
2299 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
2300 break;
2301 }
2302 case TULIP_MEDIA_AUI: {
2303 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
2304 break;
2305 }
2306 case TULIP_MEDIA_10BASET: {
2307 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
2308 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2309 break;
2310 }
2311 case TULIP_MEDIA_10BASET_FD: {
2312 TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
2313 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2314 break;
2315 }
2316 default: {
2317 goto bad_media;
2318 }
2319 }
2320 }
2321 mi->mi_sia_gp_control = (dp[1] + dp[2] * 256) << 16;
2322 mi->mi_sia_gp_data = (dp[3] + dp[4] * 256) << 16;
2323 mi++;
2324 bad_media:
2325 break;
2326 }
2327 case 3: { /* 2114[23] MII PHY block */
2328 const u_int phyno = *dp++;
2329 const uint8_t *dp0;
2330 mi->mi_type = TULIP_MEDIAINFO_MII;
2331 mi->mi_gpr_length = *dp++;
2332 mi->mi_gpr_offset = dp - sc->tulip_rombuf;
2333 dp += 2 * mi->mi_gpr_length;
2334 mi->mi_reset_length = *dp++;
2335 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2336 dp += 2 * mi->mi_reset_length;
2337
2338 dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
2339 for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
2340 DELAY(10);
2341 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2342 }
2343 sc->tulip_phyaddr = mi->mi_phyaddr;
2344 dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
2345 for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
2346 DELAY(10);
2347 TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
2348 }
2349
2350 if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
2351 TULIP_CSR_WRITE(sc, csr_sia_general, 0);
2352
2353 mi->mi_phyaddr = TULIP_MII_NOPHY;
2354 for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
2355 DELAY(10000);
2356 mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
2357 }
2358 if (mi->mi_phyaddr == TULIP_MII_NOPHY)
2359 break;
2360 sc->tulip_features |= TULIP_HAVE_MII;
2361 mi->mi_capabilities = dp[0] + dp[1] * 256; dp += 2;
2362 mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
2363 mi->mi_full_duplex = dp[0] + dp[1] * 256; dp += 2;
2364 mi->mi_tx_threshold = dp[0] + dp[1] * 256; dp += 2;
2365 mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
2366 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
2367 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
2368 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
2369 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
2370 TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
2371 mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
2372 tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
2373 mi++;
2374 break;
2375 }
2376 case 4: { /* 21143 SYM block */
2377 tulip_media_t media;
2378 srom_media = (tulip_srom_media_t) dp[0];
2379 for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
2380 if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
2381 break;
2382 }
2383 media = tulip_srom_mediums[idx3].sm_type;
2384 if (media == TULIP_MEDIA_UNKNOWN)
2385 break;
2386 mi->mi_type = TULIP_MEDIAINFO_SYM;
2387 sc->tulip_mediums[media] = mi;
2388 mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
2389 mi->mi_gpdata = (dp[3] + dp[4] * 256) << 16;
2390 data = dp[5] + dp[6] * 256;
2391 mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
2392 if (data & TULIP_SROM_2114X_NOINDICATOR) {
2393 mi->mi_actmask = 0;
2394 } else {
2395 mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
2396 mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
2397 mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
2398 }
2399 if (TULIP_IS_MEDIA_TP(media))
2400 sc->tulip_intrmask |= TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL;
2401 mi++;
2402 break;
2403 }
2404 #if 0
2405 case 5: { /* 21143 Reset block */
2406 mi->mi_type = TULIP_MEDIAINFO_RESET;
2407 mi->mi_reset_length = *dp++;
2408 mi->mi_reset_offset = dp - sc->tulip_rombuf;
2409 dp += 2 * mi->mi_reset_length;
2410 mi++;
2411 break;
2412 }
2413 #endif
2414 default: {
2415 }
2416 }
2417 dp = ep;
2418 }
2419 }
2420 return mi - sc->tulip_mediainfo;
2421 }
2422
2423 static const struct {
2424 void (*vendor_identify_nic)(tulip_softc_t * const sc);
2425 unsigned char vendor_oui[3];
2426 } tulip_vendors[] = {
2427 { tulip_identify_dec_nic, { 0x08, 0x00, 0x2B } },
2428 { tulip_identify_dec_nic, { 0x00, 0x00, 0xF8 } },
2429 { tulip_identify_smc_nic, { 0x00, 0x00, 0xC0 } },
2430 { tulip_identify_smc_nic, { 0x00, 0xE0, 0x29 } },
2431 { tulip_identify_znyx_nic, { 0x00, 0xC0, 0x95 } },
2432 { tulip_identify_cogent_nic, { 0x00, 0x00, 0x92 } },
2433 { tulip_identify_asante_nic, { 0x00, 0x00, 0x94 } },
2434 { tulip_identify_cogent_nic, { 0x00, 0x00, 0xD1 } },
2435 { tulip_identify_accton_nic, { 0x00, 0x00, 0xE8 } },
2436 { tulip_identify_compex_nic, { 0x00, 0x80, 0x48 } },
2437 { NULL }
2438 };
2439
2440 /*
2441 * This deals with the vagaries of the address roms and the
2442 * brain-deadness that various vendors commit in using them.
2443 */
2444 static int
2445 tulip_read_macaddr(tulip_softc_t *sc)
2446 {
2447 u_int cksum, rom_cksum, idx;
2448 uint32_t csr;
2449 unsigned char tmpbuf[8];
2450 static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
2451
2452 sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
2453
2454 if (sc->tulip_chipid == TULIP_21040) {
2455 TULIP_CSR_WRITE(sc, csr_enetrom, 1);
2456 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2457 int cnt = 0;
2458 while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
2459 cnt++;
2460 sc->tulip_rombuf[idx] = csr & 0xFF;
2461 }
2462 sc->tulip_boardsw = &tulip_21040_boardsw;
2463 } else {
2464 if (sc->tulip_chipid == TULIP_21041) {
2465 /*
2466 * Thankfully all 21041's act the same.
2467 */
2468 sc->tulip_boardsw = &tulip_21041_boardsw;
2469 } else {
2470 /*
2471 * Assume all 21140 board are compatible with the
2472 * DEC 10/100 evaluation board. Not really valid but
2473 * it's the best we can do until every one switches to
2474 * the new SROM format.
2475 */
2476
2477 sc->tulip_boardsw = &tulip_21140_eb_boardsw;
2478 }
2479 tulip_srom_read(sc);
2480 if (tulip_srom_crcok(sc->tulip_rombuf)) {
2481 /*
2482 * SROM CRC is valid therefore it must be in the
2483 * new format.
2484 */
2485 sc->tulip_features |= TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM;
2486 } else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
2487 /*
2488 * No checksum is present. See if the SROM id checks out;
2489 * the first 18 bytes should be 0 followed by a 1 followed
2490 * by the number of adapters (which we don't deal with yet).
2491 */
2492 for (idx = 0; idx < 18; idx++) {
2493 if (sc->tulip_rombuf[idx] != 0)
2494 break;
2495 }
2496 if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
2497 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2498 } else if (sc->tulip_chipid >= TULIP_21142) {
2499 sc->tulip_features |= TULIP_HAVE_ISVSROM;
2500 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2501 }
2502 if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
2503 if (sc->tulip_chipid != TULIP_21041)
2504 sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
2505
2506 /*
2507 * If the SROM specifies more than one adapter, tag this as a
2508 * BASE rom.
2509 */
2510 if (sc->tulip_rombuf[19] > 1)
2511 sc->tulip_features |= TULIP_HAVE_BASEROM;
2512 if (sc->tulip_boardsw == NULL)
2513 return -6;
2514 goto check_oui;
2515 }
2516 }
2517
2518
2519 if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
2520 /*
2521 * Some folks don't use the standard ethernet rom format
2522 * but instead just put the address in the first 6 bytes
2523 * of the rom and let the rest be all 0xffs. (Can we say
2524 * ZNYX?) (well sometimes they put in a checksum so we'll
2525 * start at 8).
2526 */
2527 for (idx = 8; idx < 32; idx++) {
2528 if (sc->tulip_rombuf[idx] != 0xFF)
2529 return -4;
2530 }
2531 /*
2532 * Make sure the address is not multicast or locally assigned
2533 * that the OUI is not 00-00-00.
2534 */
2535 if ((sc->tulip_rombuf[0] & 3) != 0)
2536 return -4;
2537 if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
2538 && sc->tulip_rombuf[2] == 0)
2539 return -4;
2540 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
2541 sc->tulip_features |= TULIP_HAVE_OKROM;
2542 goto check_oui;
2543 } else {
2544 /*
2545 * A number of makers of multiport boards (ZNYX and Cogent)
2546 * only put on one address ROM on their 21040 boards. So
2547 * if the ROM is all zeros (or all 0xFFs), look at the
2548 * previous configured boards (as long as they are on the same
2549 * PCI bus and the bus number is non-zero) until we find the
2550 * master board with address ROM. We then use its address ROM
2551 * as the base for this board. (we add our relative board
2552 * to the last byte of its address).
2553 */
2554 for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
2555 if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
2556 break;
2557 }
2558 if (idx == sizeof(sc->tulip_rombuf)) {
2559 int root_unit;
2560 tulip_softc_t *root_sc = NULL;
2561 for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
2562 root_sc = tulips[root_unit];
2563 if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
2564 break;
2565 root_sc = NULL;
2566 }
2567 if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
2568 && root_sc->tulip_chipid == sc->tulip_chipid
2569 && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
2570 sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
2571 sc->tulip_boardsw = root_sc->tulip_boardsw;
2572 strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
2573 if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
2574 bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
2575 sizeof(sc->tulip_rombuf));
2576 if (!tulip_srom_decode(sc))
2577 return -5;
2578 } else {
2579 bcopy(root_sc->arpcom.ac_enaddr, sc->arpcom.ac_enaddr,
2580 ETHER_ADDR_LEN);
2581 sc->arpcom.ac_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
2582 }
2583 /*
2584 * Now for a truly disgusting kludge: all 4 21040s on
2585 * the ZX314 share the same INTA line so the mapping
2586 * setup by the BIOS on the PCI bridge is worthless.
2587 * Rather than reprogramming the value in the config
2588 * register, we will handle this internally.
2589 */
2590 if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
2591 sc->tulip_slaves = root_sc->tulip_slaves;
2592 root_sc->tulip_slaves = sc;
2593 sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
2594 }
2595 return 0;
2596 }
2597 }
2598 }
2599
2600 /*
2601 * This is the standard DEC address ROM test.
2602 */
2603
2604 if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
2605 return -3;
2606
2607 tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
2608 tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
2609 tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
2610 tmpbuf[6] = sc->tulip_rombuf[9]; tmpbuf[7] = sc->tulip_rombuf[8];
2611 if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
2612 return -2;
2613
2614 bcopy(sc->tulip_rombuf, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
2615
2616 cksum = *(u_int16_t *) &sc->arpcom.ac_enaddr[0];
2617 cksum *= 2;
2618 if (cksum > 65535) cksum -= 65535;
2619 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[2];
2620 if (cksum > 65535) cksum -= 65535;
2621 cksum *= 2;
2622 if (cksum > 65535) cksum -= 65535;
2623 cksum += *(u_int16_t *) &sc->arpcom.ac_enaddr[4];
2624 if (cksum >= 65535) cksum -= 65535;
2625
2626 rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
2627
2628 if (cksum != rom_cksum)
2629 return -1;
2630
2631 check_oui:
2632 /*
2633 * Check for various boards based on OUI. Did I say braindead?
2634 */
2635 for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
2636 if (bcmp(sc->arpcom.ac_enaddr, tulip_vendors[idx].vendor_oui, 3) == 0) {
2637 (*tulip_vendors[idx].vendor_identify_nic)(sc);
2638 break;
2639 }
2640 }
2641
2642 sc->tulip_features |= TULIP_HAVE_OKROM;
2643 return 0;
2644 }
2645
2646 static void
2647 tulip_ifmedia_add(tulip_softc_t * const sc)
2648 {
2649 tulip_media_t media;
2650 int medias = 0;
2651
2652 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2653 if (sc->tulip_mediums[media] != NULL) {
2654 ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
2655 0, 0);
2656 medias++;
2657 }
2658 }
2659 if (medias == 0) {
2660 sc->tulip_features |= TULIP_HAVE_NOMEDIA;
2661 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
2662 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
2663 } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
2664 ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
2665 ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
2666 } else {
2667 ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
2668 sc->tulip_flags |= TULIP_PRINTMEDIA;
2669 tulip_linkup(sc, sc->tulip_media);
2670 }
2671 }
2672
2673 static int
2674 tulip_ifmedia_change(struct ifnet *ifp)
2675 {
2676 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
2677
2678 sc->tulip_flags |= TULIP_NEEDRESET;
2679 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
2680 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
2681 if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
2682 tulip_media_t media;
2683 for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
2684 if (sc->tulip_mediums[media] != NULL
2685 && sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
2686 sc->tulip_flags |= TULIP_PRINTMEDIA;
2687 sc->tulip_flags &= ~TULIP_DIDNWAY;
2688 tulip_linkup(sc, media);
2689 return 0;
2690 }
2691 }
2692 }
2693 sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
2694 tulip_reset(sc);
2695 tulip_init(sc);
2696 return 0;
2697 }
2698
2699 /*
2700 * Media status callback
2701 */
2702 static void
2703 tulip_ifmedia_status(struct ifnet *ifp, struct ifmediareq *req)
2704 {
2705 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
2706
2707 if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
2708 return;
2709
2710 req->ifm_status = IFM_AVALID;
2711 if (sc->tulip_flags & TULIP_LINKUP)
2712 req->ifm_status |= IFM_ACTIVE;
2713
2714 req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
2715 }
2716
2717 static void
2718 tulip_addr_filter(tulip_softc_t *sc)
2719 {
2720 struct ifmultiaddr *ifma;
2721 struct ifnet *ifp;
2722 u_char *addrp;
2723 int multicnt;
2724
2725 sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
2726 sc->tulip_flags |= TULIP_WANTSETUP|TULIP_WANTTXSTART;
2727 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
2728 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
2729 #if defined(IFF_ALLMULTI)
2730 if (sc->arpcom.ac_if.if_flags & IFF_ALLMULTI)
2731 sc->tulip_flags |= TULIP_ALLMULTI ;
2732 #endif
2733
2734 multicnt = 0;
2735 ifp = &sc->arpcom.ac_if;
2736 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
2737 if (ifma->ifma_addr->sa_family == AF_LINK)
2738 multicnt++;
2739 }
2740
2741 if (multicnt > 14) {
2742 uint32_t *sp = sc->tulip_setupdata;
2743 u_int hash;
2744 /*
2745 * Some early passes of the 21140 have broken implementations of
2746 * hash-perfect mode. When we get too many multicasts for perfect
2747 * filtering with these chips, we need to switch into hash-only
2748 * mode (this is better than all-multicast on network with lots
2749 * of multicast traffic).
2750 */
2751 if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
2752 sc->tulip_flags |= TULIP_WANTHASHONLY;
2753 else
2754 sc->tulip_flags |= TULIP_WANTHASHPERFECT;
2755 /*
2756 * If we have more than 14 multicasts, we have
2757 * go into hash perfect mode (512 bit multicast
2758 * hash and one perfect hardware).
2759 */
2760 bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
2761
2762 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
2763 if (ifma->ifma_addr->sa_family != AF_LINK)
2764 continue;
2765
2766 hash = tulip_mchash(LLADDR((struct sockaddr_dl *)ifma->ifma_addr));
2767 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
2768 }
2769 /*
2770 * No reason to use a hash if we are going to be
2771 * receiving every multicast.
2772 */
2773 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
2774 hash = tulip_mchash(ifp->if_broadcastaddr);
2775 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
2776 if (sc->tulip_flags & TULIP_WANTHASHONLY) {
2777 hash = tulip_mchash(sc->arpcom.ac_enaddr);
2778 sp[hash >> 4] |= htole32(1 << (hash & 0xF));
2779 } else {
2780 sp[39] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]);
2781 sp[40] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]);
2782 sp[41] = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]);
2783 }
2784 }
2785 }
2786 if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
2787 uint32_t *sp = sc->tulip_setupdata;
2788 int idx = 0;
2789 if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
2790 /*
2791 * Else can get perfect filtering for 16 addresses.
2792 */
2793 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
2794 if (ifma->ifma_addr->sa_family != AF_LINK)
2795 continue;
2796 addrp = LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
2797 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[0]);
2798 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[1]);
2799 *sp++ = TULIP_SP_MAC(((u_int16_t *)addrp)[2]);
2800 idx++;
2801 }
2802 /*
2803 * Add the broadcast address.
2804 */
2805 idx++;
2806 *sp++ = TULIP_SP_MAC(0xFFFF);
2807 *sp++ = TULIP_SP_MAC(0xFFFF);
2808 *sp++ = TULIP_SP_MAC(0xFFFF);
2809 }
2810 /*
2811 * Pad the rest with our hardware address
2812 */
2813 for (; idx < 16; idx++) {
2814 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[0]);
2815 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[1]);
2816 *sp++ = TULIP_SP_MAC(((u_int16_t *)sc->arpcom.ac_enaddr)[2]);
2817 }
2818 }
2819 #if defined(IFF_ALLMULTI)
2820 if (sc->tulip_flags & TULIP_ALLMULTI)
2821 sc->arpcom.ac_if.if_flags |= IFF_ALLMULTI;
2822 #endif
2823 }
2824
2825 static void
2826 tulip_reset(tulip_softc_t *sc)
2827 {
2828 tulip_ringinfo_t *ri;
2829 tulip_descinfo_t *di;
2830 struct mbuf *m;
2831 uint32_t inreset = (sc->tulip_flags & TULIP_INRESET);
2832
2833 /*
2834 * Brilliant. Simply brilliant. When switching modes/speeds
2835 * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
2836 * bits in CSR6 and then do a software reset to get the 21140
2837 * to properly reset its internal pathways to the right places.
2838 * Grrrr.
2839 */
2840 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0
2841 && sc->tulip_boardsw->bd_media_preset != NULL)
2842 (*sc->tulip_boardsw->bd_media_preset)(sc);
2843
2844 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
2845 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
2846 33MHz that comes to two microseconds but wait a
2847 bit longer anyways) */
2848
2849 if (!inreset) {
2850 sc->tulip_flags |= TULIP_INRESET;
2851 sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
2852 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd);
2853 }
2854
2855 TULIP_CSR_WRITE(sc, csr_txlist, sc->tulip_txinfo.ri_dma_addr & 0xffffffff);
2856 TULIP_CSR_WRITE(sc, csr_rxlist, sc->tulip_rxinfo.ri_dma_addr & 0xffffffff);
2857 TULIP_CSR_WRITE(sc, csr_busmode,
2858 (1 << (3 /*pci_max_burst_len*/ + 8))
2859 |TULIP_BUSMODE_CACHE_ALIGN8
2860 |TULIP_BUSMODE_READMULTIPLE
2861 |(BYTE_ORDER != LITTLE_ENDIAN ?
2862 TULIP_BUSMODE_DESC_BIGENDIAN : 0));
2863
2864 sc->tulip_txtimer = 0;
2865 sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
2866 /*
2867 * Free all the mbufs that were on the transmit ring.
2868 */
2869 ri = &sc->tulip_txinfo;
2870 for (di = ri->ri_first; di < ri->ri_last; di++) {
2871 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);
2872 if (m != NULL)
2873 m_freem(m);
2874 di->di_desc->d_status = 0;
2875 }
2876
2877 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
2878 ri->ri_free = ri->ri_max;
2879 TULIP_TXDESC_PRESYNC(ri);
2880
2881 /*
2882 * We need to collect all the mbufs that were on the
2883 * receive ring before we reinit it either to put
2884 * them back on or to know if we have to allocate
2885 * more.
2886 */
2887 ri = &sc->tulip_rxinfo;
2888 ri->ri_nextin = ri->ri_nextout = ri->ri_first;
2889 ri->ri_free = ri->ri_max;
2890 for (di = ri->ri_first; di < ri->ri_last; di++) {
2891 di->di_desc->d_status = 0;
2892 di->di_desc->d_length1 = 0; di->di_desc->d_addr1 = 0;
2893 di->di_desc->d_length2 = 0; di->di_desc->d_addr2 = 0;
2894 }
2895 TULIP_RXDESC_PRESYNC(ri);
2896 for (di = ri->ri_first; di < ri->ri_last; di++) {
2897 m = tulip_dequeue_mbuf(ri, di, SYNC_NONE);
2898 if (m != NULL)
2899 m_freem(m);
2900 }
2901
2902 /*
2903 * If tulip_reset is being called recursively, exit quickly knowing
2904 * that when the outer tulip_reset returns all the right stuff will
2905 * have happened.
2906 */
2907 if (inreset)
2908 return;
2909
2910 sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
2911 |TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
2912 |TULIP_STS_TXUNDERFLOW|TULIP_STS_TXBABBLE
2913 |TULIP_STS_RXSTOPPED;
2914
2915 if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
2916 (*sc->tulip_boardsw->bd_media_select)(sc);
2917 tulip_media_print(sc);
2918 if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
2919 TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
2920
2921 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
2922 |TULIP_RXACT);
2923 tulip_addr_filter(sc);
2924 }
2925
2926 static void
2927 tulip_init(tulip_softc_t * const sc)
2928 {
2929 if (sc->arpcom.ac_if.if_flags & IFF_UP) {
2930 if ((sc->arpcom.ac_if.if_flags & IFF_RUNNING) == 0) {
2931 /* initialize the media */
2932 tulip_reset(sc);
2933 }
2934 sc->arpcom.ac_if.if_flags |= IFF_RUNNING;
2935 if (sc->arpcom.ac_if.if_flags & IFF_PROMISC) {
2936 sc->tulip_flags |= TULIP_PROMISC;
2937 sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
2938 sc->tulip_intrmask |= TULIP_STS_TXINTR;
2939 } else {
2940 sc->tulip_flags &= ~TULIP_PROMISC;
2941 sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
2942 if (sc->tulip_flags & TULIP_ALLMULTI) {
2943 sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
2944 } else {
2945 sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
2946 }
2947 }
2948 sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
2949 if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
2950 tulip_rx_intr(sc);
2951 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
2952 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
2953 } else {
2954 ifq_set_oactive(&sc->arpcom.ac_if.if_snd);
2955 sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
2956 sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
2957 }
2958 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
2959 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
2960 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
2961 tulip_txput_setup(sc);
2962 } else {
2963 sc->arpcom.ac_if.if_flags &= ~IFF_RUNNING;
2964 tulip_reset(sc);
2965 }
2966 }
2967
2968 #define DESC_STATUS(di) (((volatile tulip_desc_t *)((di)->di_desc))->d_status)
2969 #define DESC_FLAG(di) ((di)->di_desc->d_flag)
2970
2971 static void
2972 tulip_rx_intr(tulip_softc_t *sc)
2973 {
2974 tulip_ringinfo_t *ri = &sc->tulip_rxinfo;
2975 struct ifnet *ifp = &sc->arpcom.ac_if;
2976 int fillok = 1;
2977
2978 for (;;) {
2979 tulip_descinfo_t *eop = ri->ri_nextin, *dip;
2980 int total_len = 0, last_offset = 0;
2981 struct mbuf *ms = NULL, *me = NULL;
2982 int accept = 0;
2983 int error;
2984
2985 if (fillok && (ri->ri_max - ri->ri_free) < TULIP_RXQ_TARGET)
2986 goto queue_mbuf;
2987
2988 /*
2989 * If the TULIP has no descriptors, there can't be any receive
2990 * descriptors to process.
2991 */
2992 if (eop == ri->ri_nextout)
2993 break;
2994
2995 /*
2996 * 90% of the packets will fit in one descriptor. So we optimize
2997 * for that case.
2998 */
2999 TULIP_RXDESC_POSTSYNC(ri);
3000 if ((DESC_STATUS(eop) & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
3001 ms = tulip_dequeue_mbuf(ri, eop, SYNC_RX);
3002 me = ms;
3003 ri->ri_free++;
3004 } else {
3005 /*
3006 * If still owned by the TULIP, don't touch it.
3007 */
3008 if (DESC_STATUS(eop) & TULIP_DSTS_OWNER)
3009 break;
3010
3011 /*
3012 * It is possible (though improbable unless MCLBYTES < 1518) for
3013 * a received packet to cross more than one receive descriptor.
3014 * We first loop through the descriptor ring making sure we have
3015 * received a complete packet. If not, we bail until the next
3016 * interrupt.
3017 */
3018 dip = eop;
3019 while ((DESC_STATUS(eop) & TULIP_DSTS_RxLASTDESC) == 0) {
3020 if (++eop == ri->ri_last)
3021 eop = ri->ri_first;
3022 TULIP_RXDESC_POSTSYNC(ri);
3023 if (eop == ri->ri_nextout || (DESC_STATUS(eop) & TULIP_DSTS_OWNER)) {
3024 return;
3025 }
3026 total_len++;
3027 }
3028
3029 /*
3030 * Dequeue the first buffer for the start of the packet. Hopefully
3031 * this will be the only one we need to dequeue. However, if the
3032 * packet consumed multiple descriptors, then we need to dequeue
3033 * those buffers and chain to the starting mbuf. All buffers but
3034 * the last buffer have the same length so we can set that now.
3035 * (we add to last_offset instead of multiplying since we normally
3036 * won't go into the loop and thereby saving ourselves from
3037 * doing a multiplication by 0 in the normal case).
3038 */
3039 ms = tulip_dequeue_mbuf(ri, dip, SYNC_RX);
3040 ri->ri_free++;
3041 for (me = ms; total_len > 0; total_len--) {
3042 me->m_len = TULIP_RX_BUFLEN;
3043 last_offset += TULIP_RX_BUFLEN;
3044 if (++dip == ri->ri_last)
3045 dip = ri->ri_first;
3046 me->m_next = tulip_dequeue_mbuf(ri, dip, SYNC_RX);
3047 ri->ri_free++;
3048 me = me->m_next;
3049 }
3050 KASSERT(dip == eop, ("mismatched descinfo structs"));
3051 }
3052
3053 /*
3054 * Now get the size of received packet (minus the CRC).
3055 */
3056 total_len = ((DESC_STATUS(eop) >> 16) & 0x7FFF) - ETHER_CRC_LEN;
3057 if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
3058 && ((DESC_STATUS(eop) & TULIP_DSTS_ERRSUM) == 0)) {
3059 me->m_len = total_len - last_offset;
3060 sc->tulip_flags |= TULIP_RXACT;
3061 accept = 1;
3062 } else {
3063 IFNET_STAT_INC(ifp, ierrors, 1);
3064 if (DESC_STATUS(eop) & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
3065 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3066 } else {
3067 if (DESC_STATUS(eop) & TULIP_DSTS_RxTOOLONG) {
3068 sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
3069 }
3070 if (DESC_STATUS(eop) & TULIP_DSTS_RxBADCRC) {
3071 if (DESC_STATUS(eop) & TULIP_DSTS_RxDRBBLBIT) {
3072 sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
3073 } else {
3074 sc->tulip_dot3stats.dot3StatsFCSErrors++;
3075 }
3076 }
3077 }
3078 }
3079 IFNET_STAT_INC(ifp, ipackets, 1);
3080 if (++eop == ri->ri_last)
3081 eop = ri->ri_first;
3082 ri->ri_nextin = eop;
3083 queue_mbuf:
3084 /*
3085 * We have received a good packet that needs to be passed up the
3086 * stack.
3087 */
3088 if (accept) {
3089 struct mbuf *m0;
3090
3091 KASSERT(ms != NULL, ("no packet to accept"));
3092 /*
3093 * Update the header for the mbuf referencing this receive
3094 * buffer and pass it up the stack. Allocate a new mbuf cluster
3095 * to replace the one we just passed up the stack.
3096 *
3097 * Note that if this packet crossed multiple descriptors
3098 * we don't even try to reallocate all the mbufs here.
3099 * Instead we rely on the test at the beginning of
3100 * the loop to refill for the extra consumed mbufs.
3101 */
3102 ms->m_pkthdr.len = total_len;
3103 ms->m_pkthdr.rcvif = ifp;
3104 m0 = ms;
3105 ifp->if_input(ifp, m0, NULL, -1);
3106 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
3107 } else if (ms == NULL) {
3108 /*
3109 * If we are priming the TULIP with mbufs, then allocate
3110 * a new cluster for the next descriptor.
3111 */
3112 ms = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR);
3113 }
3114 if (ms == NULL) {
3115 /*
3116 * Couldn't allocate a new buffer. Don't bother
3117 * trying to replenish the receive queue.
3118 */
3119 fillok = 0;
3120 sc->tulip_flags |= TULIP_RXBUFSLOW;
3121 continue;
3122 }
3123 /*
3124 * Now give the buffer(s) to the TULIP and save in our
3125 * receive queue.
3126 */
3127 do {
3128 tulip_descinfo_t * const nextout = ri->ri_nextout;
3129
3130 M_ASSERTPKTHDR(ms);
3131 KASSERT(ms->m_data == ms->m_ext.ext_buf,
3132 ("rx mbuf data doesn't point to cluster"));
3133 ms->m_len = ms->m_pkthdr.len = TULIP_RX_BUFLEN;
3134 error = bus_dmamap_load_mbuf(ri->ri_data_tag, *nextout->di_map, ms,
3135 tulip_dma_map_rxbuf, nextout->di_desc, BUS_DMA_NOWAIT);
3136 if (error) {
3137 device_printf(sc->tulip_dev,
3138 "unable to load rx map, error = %d\n", error);
3139 panic("tulip_rx_intr"); /* XXX */
3140 }
3141 nextout->di_desc->d_status = TULIP_DSTS_OWNER;
3142 KASSERT(nextout->di_mbuf == NULL, ("clobbering earlier rx mbuf"));
3143 nextout->di_mbuf = ms;
3144 TULIP_RXDESC_POSTSYNC(ri);
3145 if (++ri->ri_nextout == ri->ri_last)
3146 ri->ri_nextout = ri->ri_first;
3147 ri->ri_free--;
3148 me = ms->m_next;
3149 ms->m_next = NULL;
3150 } while ((ms = me) != NULL);
3151
3152 if ((ri->ri_max - ri->ri_free) >= TULIP_RXQ_TARGET)
3153 sc->tulip_flags &= ~TULIP_RXBUFSLOW;
3154 }
3155 }
3156
3157 static int
3158 tulip_tx_intr(tulip_softc_t *sc)
3159 {
3160 tulip_ringinfo_t *ri = &sc->tulip_txinfo;
3161 struct mbuf *m;
3162 int xmits = 0;
3163 int descs = 0;
3164
3165 while (ri->ri_free < ri->ri_max) {
3166 uint32_t d_flag;
3167
3168 TULIP_TXDESC_POSTSYNC(ri);
3169 if (DESC_STATUS(ri->ri_nextin) & TULIP_DSTS_OWNER)
3170 break;
3171
3172 ri->ri_free++;
3173 descs++;
3174 d_flag = DESC_FLAG(ri->ri_nextin);
3175 if (d_flag & TULIP_DFLAG_TxLASTSEG) {
3176 if (d_flag & TULIP_DFLAG_TxSETUPPKT) {
3177 /*
3178 * We've just finished processing a setup packet.
3179 * Mark that we finished it. If there's not
3180 * another pending, startup the TULIP receiver.
3181 * Make sure we ack the RXSTOPPED so we won't get
3182 * an abormal interrupt indication.
3183 */
3184 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map,
3185 BUS_DMASYNC_POSTWRITE);
3186 sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
3187 if (DESC_FLAG(ri->ri_nextin) & TULIP_DFLAG_TxINVRSFILT)
3188 sc->tulip_flags |= TULIP_HASHONLY;
3189 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
3190 tulip_rx_intr(sc);
3191 sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
3192 sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
3193 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3194 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3195 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3196 }
3197 } else {
3198 const uint32_t d_status = DESC_STATUS(ri->ri_nextin);
3199 m = tulip_dequeue_mbuf(ri, ri->ri_nextin, SYNC_TX);
3200 if (m != NULL) {
3201 m_freem(m);
3202 }
3203 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
3204 tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
3205 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
3206 event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
3207 }
3208 (*sc->tulip_boardsw->bd_media_poll)(sc, event);
3209 /*
3210 * Escape from the loop before media poll has reset the TULIP!
3211 */
3212 break;
3213 } else {
3214 xmits++;
3215 if (d_status & TULIP_DSTS_ERRSUM) {
3216 IFNET_STAT_INC(&sc->arpcom.ac_if, oerrors, 1);
3217 if (d_status & TULIP_DSTS_TxEXCCOLL)
3218 sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
3219 if (d_status & TULIP_DSTS_TxLATECOLL)
3220 sc->tulip_dot3stats.dot3StatsLateCollisions++;
3221 if (d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
3222 sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
3223 if (d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
3224 sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
3225 if (d_status & TULIP_DSTS_TxUNDERFLOW)
3226 sc->tulip_dot3stats.dot3StatsInternalTransmitUnderflows++;
3227 if (d_status & TULIP_DSTS_TxBABBLE)
3228 sc->tulip_dot3stats.dot3StatsInternalTransmitBabbles++;
3229 } else {
3230 u_int32_t collisions =
3231 (d_status & TULIP_DSTS_TxCOLLMASK)
3232 >> TULIP_DSTS_V_TxCOLLCNT;
3233 IFNET_STAT_INC(&sc->arpcom.ac_if, collisions, collisions);
3234 if (collisions == 1)
3235 sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
3236 else if (collisions > 1)
3237 sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
3238 else if (d_status & TULIP_DSTS_TxDEFERRED)
3239 sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
3240 /*
3241 * SQE is only valid for 10baseT/BNC/AUI when not
3242 * running in full-duplex. In order to speed up the
3243 * test, the corresponding bit in tulip_flags needs to
3244 * set as well to get us to count SQE Test Errors.
3245 */
3246 if (d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
3247 sc->tulip_dot3stats.dot3StatsSQETestErrors++;
3248 }
3249 }
3250 }
3251 }
3252
3253 if (++ri->ri_nextin == ri->ri_last)
3254 ri->ri_nextin = ri->ri_first;
3255
3256 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3257 ifq_clr_oactive(&sc->arpcom.ac_if.if_snd);
3258 }
3259 /*
3260 * If nothing left to transmit, disable the timer.
3261 * Else if progress, reset the timer back to 2 ticks.
3262 */
3263 if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
3264 sc->tulip_txtimer = 0;
3265 else if (xmits > 0)
3266 sc->tulip_txtimer = TULIP_TXTIMER;
3267 IFNET_STAT_INC(&sc->arpcom.ac_if, opackets, xmits);
3268 return descs;
3269 }
3270
3271 static void
3272 tulip_print_abnormal_interrupt(tulip_softc_t *sc, uint32_t csr)
3273 {
3274 const char * const *msgp = tulip_status_bits;
3275 const char *sep;
3276 uint32_t mask;
3277 const char thrsh[] = "72|128\0\0\0" "96|256\0\0\0" "128|512\0\0" "160|1024";
3278
3279 csr &= (1 << (NELEM(tulip_status_bits))) - 1;
3280 if_printf(&sc->arpcom.ac_if, "abnormal interrupt:");
3281 for (sep = " ", mask = 1; mask <= csr; mask <<= 1, msgp++) {
3282 if ((csr & mask) && *msgp != NULL) {
3283 kprintf("%s%s", sep, *msgp);
3284 if (mask == TULIP_STS_TXUNDERFLOW && (sc->tulip_flags & TULIP_NEWTXTHRESH)) {
3285 sc->tulip_flags &= ~TULIP_NEWTXTHRESH;
3286 if (sc->tulip_cmdmode & TULIP_CMD_STOREFWD) {
3287 kprintf(" (switching to store-and-forward mode)");
3288 } else {
3289 kprintf(" (raising TX threshold to %s)",
3290 &thrsh[9 * ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) >> 14)]);
3291 }
3292 }
3293 sep = ", ";
3294 }
3295 }
3296 kprintf("\n");
3297 }
3298
3299 static void
3300 tulip_intr_handler(tulip_softc_t *sc)
3301 {
3302 uint32_t csr;
3303
3304 while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
3305 TULIP_CSR_WRITE(sc, csr_status, csr);
3306
3307 if (csr & TULIP_STS_SYSERROR) {
3308 sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
3309 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3310 sc->tulip_flags |= TULIP_SYSTEMERROR;
3311 } else {
3312 if_printf(&sc->arpcom.ac_if, "system error: %s\n",
3313 tulip_system_errors[sc->tulip_last_system_error]);
3314 }
3315 sc->tulip_flags |= TULIP_NEEDRESET;
3316 sc->tulip_system_errors++;
3317 break;
3318 }
3319 if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL) & sc->tulip_intrmask) {
3320 if (sc->tulip_boardsw->bd_media_poll != NULL) {
3321 (*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
3322 ? TULIP_MEDIAPOLL_LINKFAIL
3323 : TULIP_MEDIAPOLL_LINKPASS);
3324 csr &= ~TULIP_STS_ABNRMLINTR;
3325 }
3326 tulip_media_print(sc);
3327 }
3328 if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
3329 u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
3330 if (csr & TULIP_STS_RXNOBUF)
3331 sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
3332 /*
3333 * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
3334 * on receive overflows.
3335 */
3336 if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
3337 sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
3338 /*
3339 * Stop the receiver process and spin until it's stopped.
3340 * Tell rx_intr to drop the packets it dequeues.
3341 */
3342 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
3343 while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
3344 ;
3345 TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
3346 sc->tulip_flags |= TULIP_RXIGNORE;
3347 }
3348 tulip_rx_intr(sc);
3349 if (sc->tulip_flags & TULIP_RXIGNORE) {
3350 /*
3351 * Restart the receiver.
3352 */
3353 sc->tulip_flags &= ~TULIP_RXIGNORE;
3354 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3355 }
3356 }
3357 if (csr & TULIP_STS_ABNRMLINTR) {
3358 u_int32_t tmp = csr & sc->tulip_intrmask
3359 & ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
3360 if (csr & TULIP_STS_TXUNDERFLOW) {
3361 if ((sc->tulip_cmdmode & TULIP_CMD_THRESHOLDCTL) != TULIP_CMD_THRSHLD160) {
3362 sc->tulip_cmdmode += TULIP_CMD_THRSHLD96;
3363 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3364 } else if (sc->tulip_features & TULIP_HAVE_STOREFWD) {
3365 sc->tulip_cmdmode |= TULIP_CMD_STOREFWD;
3366 sc->tulip_flags |= TULIP_NEWTXTHRESH;
3367 }
3368 }
3369 if (sc->tulip_flags & TULIP_NOMESSAGES) {
3370 sc->tulip_statusbits |= tmp;
3371 } else {
3372 tulip_print_abnormal_interrupt(sc, tmp);
3373 sc->tulip_flags |= TULIP_NOMESSAGES;
3374 }
3375 TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
3376 }
3377 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_TXPROBE_ACTIVE|TULIP_DOINGSETUP|TULIP_PROMISC)) {
3378 tulip_tx_intr(sc);
3379 if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
3380 if_devstart(&sc->arpcom.ac_if);
3381 }
3382 }
3383 if (sc->tulip_flags & TULIP_NEEDRESET) {
3384 tulip_reset(sc);
3385 tulip_init(sc);
3386 }
3387 }
3388
3389 static void
3390 tulip_intr_shared(void *arg)
3391 {
3392 tulip_softc_t *sc;
3393
3394 for (sc = arg; sc != NULL; sc = sc->tulip_slaves)
3395 tulip_intr_handler(sc);
3396 }
3397
3398 static void
3399 tulip_intr_normal(void *arg)
3400 {
3401 tulip_softc_t *sc = (tulip_softc_t *)arg;
3402
3403 tulip_intr_handler(sc);
3404 }
3405
3406 static struct mbuf *
3407 tulip_txput(tulip_softc_t *sc, struct mbuf *m)
3408 {
3409 tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
3410 tulip_descinfo_t *eop, *nextout;
3411 int segcnt, free;
3412 uint32_t d_status;
3413 bus_dma_segment_t segs[TULIP_MAX_TXSEG];
3414 bus_dmamap_t *map;
3415 int error, nsegs;
3416 struct mbuf *m0;
3417
3418 /*
3419 * Now we try to fill in our transmit descriptors. This is
3420 * a bit reminiscent of going on the Ark two by two
3421 * since each descriptor for the TULIP can describe
3422 * two buffers. So we advance through packet filling
3423 * each of the two entries at a time to to fill each
3424 * descriptor. Clear the first and last segment bits
3425 * in each descriptor (actually just clear everything
3426 * but the end-of-ring or chain bits) to make sure
3427 * we don't get messed up by previously sent packets.
3428 *
3429 * We may fail to put the entire packet on the ring if
3430 * there is either not enough ring entries free or if the
3431 * packet has more than MAX_TXSEG segments. In the former
3432 * case we will just wait for the ring to empty. In the
3433 * latter case we have to recopy.
3434 */
3435 m0 = m;
3436 d_status = 0;
3437 eop = nextout = ri->ri_nextout;
3438 segcnt = 0;
3439 free = ri->ri_free;
3440
3441 /*
3442 * Reclaim some tx descriptors if we are out since we need at least one
3443 * free descriptor so that we have a dma_map to load the mbuf.
3444 */
3445 if (free == 0) {
3446 free += tulip_tx_intr(sc);
3447 }
3448 if (free == 0) {
3449 sc->tulip_flags |= TULIP_WANTTXSTART;
3450 goto finish;
3451 }
3452 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map, m, segs,
3453 1, &nsegs, BUS_DMA_NOWAIT);
3454 if (error != 0) {
3455 if (error == EFBIG) {
3456 /*
3457 * The packet exceeds the number of transmit buffer
3458 * entries that we can use for one packet, so we have
3459 * to recopy it into one mbuf and then try again. If
3460 * we can't recopy it, try again later.
3461 */
3462 m0 = m_defrag(m, M_NOWAIT);
3463 if (m0 == NULL) {
3464 sc->tulip_flags |= TULIP_WANTTXSTART;
3465 goto finish;
3466 }
3467 m = m0;
3468 error = bus_dmamap_load_mbuf_segment(ri->ri_data_tag, *eop->di_map,
3469 m, segs, 1, &nsegs, BUS_DMA_NOWAIT);
3470 }
3471 if (error != 0) {
3472 device_printf(sc->tulip_dev,
3473 "unable to load tx map, error = %d\n", error);
3474 goto finish;
3475 }
3476 }
3477 /*
3478 * Each descriptor allows for up to 2 fragments since we don't use
3479 * the descriptor chaining mode in this driver.
3480 */
3481 if ((free -= (nsegs + 1) / 2) <= 0
3482 /*
3483 * See if there's any unclaimed space in the transmit ring.
3484 */
3485 && (free += tulip_tx_intr(sc)) <= 0) {
3486 /*
3487 * There's no more room but since nothing
3488 * has been committed at this point, just
3489 * show output is active, put back the
3490 * mbuf and return.
3491 */
3492 sc->tulip_flags |= TULIP_WANTTXSTART;
3493 bus_dmamap_unload(ri->ri_data_tag, *eop->di_map);
3494 goto finish;
3495 }
3496 for (; nsegs - segcnt > 1; segcnt += 2) {
3497 eop = nextout;
3498 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
3499 eop->di_desc->d_status = d_status;
3500 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff;
3501 eop->di_desc->d_length1 = segs[segcnt].ds_len;
3502 eop->di_desc->d_addr2 = segs[segcnt+1].ds_addr & 0xffffffff;
3503 eop->di_desc->d_length2 = segs[segcnt+1].ds_len;
3504 d_status = TULIP_DSTS_OWNER;
3505 if (++nextout == ri->ri_last)
3506 nextout = ri->ri_first;
3507 }
3508 if (segcnt < nsegs) {
3509 eop = nextout;
3510 eop->di_desc->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
3511 eop->di_desc->d_status = d_status;
3512 eop->di_desc->d_addr1 = segs[segcnt].ds_addr & 0xffffffff;
3513 eop->di_desc->d_length1 = segs[segcnt].ds_len;
3514 eop->di_desc->d_addr2 = 0;
3515 eop->di_desc->d_length2 = 0;
3516 if (++nextout == ri->ri_last)
3517 nextout = ri->ri_first;
3518 }
3519
3520 /*
3521 * tulip_tx_intr() harvests the mbuf from the last descriptor in the
3522 * frame. We just used the dmamap in the first descriptor for the
3523 * load operation however. Thus, to let the tulip_dequeue_mbuf() call
3524 * in tulip_tx_intr() unload the correct dmamap, we swap the dmamap
3525 * pointers in the two descriptors if this is a multiple-descriptor
3526 * packet.
3527 */
3528 if (eop != ri->ri_nextout) {
3529 map = eop->di_map;
3530 eop->di_map = ri->ri_nextout->di_map;
3531 ri->ri_nextout->di_map = map;
3532 }
3533
3534 /*
3535 * bounce a copy to the bpf listener, if any.
3536 */
3537 if (!(sc->tulip_flags & TULIP_DEVICEPROBE))
3538 BPF_MTAP(&sc->arpcom.ac_if, m);
3539
3540 /*
3541 * The descriptors have been filled in. Now get ready
3542 * to transmit.
3543 */
3544 KASSERT(eop->di_mbuf == NULL, ("clobbering earlier tx mbuf"));
3545 eop->di_mbuf = m;
3546 TULIP_TXMAP_PRESYNC(ri, ri->ri_nextout);
3547 m = NULL;
3548
3549 /*
3550 * Make sure the next descriptor after this packet is owned
3551 * by us since it may have been set up above if we ran out
3552 * of room in the ring.
3553 */
3554 DESC_STATUS(nextout) = 0;
3555 TULIP_TXDESC_PRESYNC(ri);
3556
3557 /*
3558 * Mark the last and first segments, indicate we want a transmit
3559 * complete interrupt, and tell it to transmit!
3560 */
3561 DESC_FLAG(eop) |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
3562
3563 /*
3564 * Note that ri->ri_nextout is still the start of the packet
3565 * and until we set the OWNER bit, we can still back out of
3566 * everything we have done.
3567 */
3568 DESC_FLAG(ri->ri_nextout) |= TULIP_DFLAG_TxFIRSTSEG;
3569 TULIP_TXDESC_PRESYNC(ri);
3570 DESC_STATUS(ri->ri_nextout) = TULIP_DSTS_OWNER;
3571 TULIP_TXDESC_PRESYNC(ri);
3572
3573 /*
3574 * This advances the ring for us.
3575 */
3576 ri->ri_nextout = nextout;
3577 ri->ri_free = free;
3578
3579 if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
3580 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
3581 ifq_set_oactive(&sc->arpcom.ac_if.if_snd);
3582 return NULL;
3583 }
3584
3585 /*
3586 * switch back to the single queueing ifstart.
3587 */
3588 sc->tulip_flags &= ~TULIP_WANTTXSTART;
3589 if (sc->tulip_txtimer == 0)
3590 sc->tulip_txtimer = TULIP_TXTIMER;
3591
3592 /*
3593 * If we want a txstart, there must be not enough space in the
3594 * transmit ring. So we want to enable transmit done interrupts
3595 * so we can immediately reclaim some space. When the transmit
3596 * interrupt is posted, the interrupt handler will call tx_intr
3597 * to reclaim space and then txstart (since WANTTXSTART is set).
3598 * txstart will move the packet into the transmit ring and clear
3599 * WANTTXSTART thereby causing TXINTR to be cleared.
3600 */
3601 finish:
3602 if (sc->tulip_flags & (TULIP_WANTTXSTART|TULIP_DOINGSETUP)) {
3603 ifq_set_oactive(&sc->arpcom.ac_if.if_snd);
3604 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
3605 sc->tulip_intrmask |= TULIP_STS_TXINTR;
3606 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3607 }
3608 } else if ((sc->tulip_flags & TULIP_PROMISC) == 0) {
3609 if (sc->tulip_intrmask & TULIP_STS_TXINTR) {
3610 sc->tulip_intrmask &= ~TULIP_STS_TXINTR;
3611 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3612 }
3613 }
3614 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
3615 return m;
3616 }
3617
3618 static void
3619 tulip_txput_setup(tulip_softc_t *sc)
3620 {
3621 tulip_ringinfo_t *ri = &sc->tulip_txinfo;
3622 tulip_desc_t *nextout;
3623
3624 /*
3625 * We will transmit, at most, one setup packet per call to ifstart.
3626 */
3627
3628 /*
3629 * Try to reclaim some free descriptors..
3630 */
3631 if (ri->ri_free < 2)
3632 tulip_tx_intr(sc);
3633 if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
3634 sc->tulip_flags |= TULIP_WANTTXSTART;
3635 return;
3636 }
3637 bcopy(sc->tulip_setupdata, sc->tulip_setupbuf,
3638 sizeof(sc->tulip_setupdata));
3639 /*
3640 * Clear WANTSETUP and set DOINGSETUP. Since we know that WANTSETUP is
3641 * set and DOINGSETUP is clear doing an XOR of the two will DTRT.
3642 */
3643 sc->tulip_flags ^= TULIP_WANTSETUP|TULIP_DOINGSETUP;
3644 ri->ri_free--;
3645 nextout = ri->ri_nextout->di_desc;
3646 nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
3647 nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
3648 |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
3649 if (sc->tulip_flags & TULIP_WANTHASHPERFECT)
3650 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT;
3651 else if (sc->tulip_flags & TULIP_WANTHASHONLY)
3652 nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT;
3653
3654 nextout->d_length2 = 0;
3655 nextout->d_addr2 = 0;
3656 nextout->d_length1 = sizeof(sc->tulip_setupdata);
3657 nextout->d_addr1 = sc->tulip_setup_dma_addr & 0xffffffff;
3658 bus_dmamap_sync(sc->tulip_setup_tag, sc->tulip_setup_map,
3659 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
3660 TULIP_TXDESC_PRESYNC(ri);
3661
3662 /*
3663 * Advance the ring for the next transmit packet.
3664 */
3665 if (++ri->ri_nextout == ri->ri_last)
3666 ri->ri_nextout = ri->ri_first;
3667
3668 /*
3669 * Make sure the next descriptor is owned by us since it
3670 * may have been set up above if we ran out of room in the
3671 * ring.
3672 */
3673 DESC_STATUS(ri->ri_nextout) = 0;
3674 TULIP_TXDESC_PRESYNC(ri);
3675 nextout->d_status = TULIP_DSTS_OWNER;
3676 /*
3677 * Flush the ownwership of the current descriptor
3678 */
3679 TULIP_TXDESC_PRESYNC(ri);
3680 TULIP_CSR_WRITE(sc, csr_txpoll, 1);
3681 if ((sc->tulip_intrmask & TULIP_STS_TXINTR) == 0) {
3682 sc->tulip_intrmask |= TULIP_STS_TXINTR;
3683 TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
3684 }
3685 }
3686
3687 static int
3688 tulip_ifioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred * cr)
3689 {
3690 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
3691 struct ifreq *ifr = (struct ifreq *)data;
3692 int error = 0;
3693
3694 switch (cmd) {
3695 case SIOCGIFADDR: {
3696 bcopy((caddr_t) sc->arpcom.ac_enaddr,
3697 (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
3698 ETHER_ADDR_LEN);
3699 break;
3700 }
3701
3702 case SIOCSIFFLAGS: {
3703 tulip_addr_filter(sc); /* reinit multicast filter */
3704 tulip_init(sc);
3705 break;
3706 }
3707
3708 case SIOCSIFMEDIA:
3709 case SIOCGIFMEDIA: {
3710 error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
3711 break;
3712 }
3713
3714 case SIOCADDMULTI:
3715 case SIOCDELMULTI: {
3716 /*
3717 * Update multicast listeners
3718 */
3719 tulip_addr_filter(sc); /* reset multicast filtering */
3720 tulip_init(sc);
3721 error = 0;
3722 break;
3723 }
3724
3725 case SIOCSIFMTU:
3726 /*
3727 * Set the interface MTU.
3728 */
3729 if (ifr->ifr_mtu > ETHERMTU
3730 ) {
3731 error = EINVAL;
3732 break;
3733 }
3734 ifp->if_mtu = ifr->ifr_mtu;
3735 break;
3736
3737 #ifdef SIOCGADDRROM
3738 case SIOCGADDRROM: {
3739 error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf));
3740 break;
3741 }
3742 #endif
3743 #ifdef SIOCGCHIPID
3744 case SIOCGCHIPID: {
3745 ifr->ifr_metric = (int) sc->tulip_chipid;
3746 break;
3747 }
3748 #endif
3749 default: {
3750 error = ether_ioctl(ifp, cmd, data);
3751 break;
3752 }
3753 }
3754 return error;
3755 }
3756
3757 static void
3758 tulip_ifstart(struct ifnet *ifp, struct ifaltq_subque *ifsq)
3759 {
3760 tulip_softc_t *sc = (tulip_softc_t *)ifp->if_softc;
3761
3762 ASSERT_ALTQ_SQ_DEFAULT(ifp, ifsq);
3763 if (sc->arpcom.ac_if.if_flags & IFF_RUNNING) {
3764
3765 if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP)
3766 tulip_txput_setup(sc);
3767
3768 while (!ifq_is_empty(&sc->arpcom.ac_if.if_snd)) {
3769 struct mbuf *m;
3770
3771 m = ifq_dequeue(&sc->arpcom.ac_if.if_snd);
3772 if (m == NULL)
3773 break;
3774
3775 if ((m = tulip_txput(sc, m)) != NULL) {
3776 ifq_prepend(&sc->arpcom.ac_if.if_snd, m);
3777 break;
3778 }
3779 }
3780 }
3781 }
3782
3783 static void
3784 tulip_ifwatchdog(struct ifnet *ifp)
3785 {
3786 tulip_softc_t * const sc = (tulip_softc_t *)ifp->if_softc;
3787
3788 sc->arpcom.ac_if.if_timer = 1;
3789 /*
3790 * These should be rare so do a bulk test up front so we can just skip
3791 * them if needed.
3792 */
3793 if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
3794 /*
3795 * If the number of receive buffer is low, try to refill
3796 */
3797 if (sc->tulip_flags & TULIP_RXBUFSLOW)
3798 tulip_rx_intr(sc);
3799
3800 if (sc->tulip_flags & TULIP_SYSTEMERROR) {
3801 if_printf(ifp, "%d system errors: last was %s\n",
3802 sc->tulip_system_errors,
3803 tulip_system_errors[sc->tulip_last_system_error]);
3804 }
3805 if (sc->tulip_statusbits) {
3806 tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
3807 sc->tulip_statusbits = 0;
3808 }
3809
3810 sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
3811 }
3812
3813 if (sc->tulip_txtimer)
3814 tulip_tx_intr(sc);
3815 if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
3816 if_printf(ifp, "transmission timeout\n");
3817 if (TULIP_DO_AUTOSENSE(sc)) {
3818 sc->tulip_media = TULIP_MEDIA_UNKNOWN;
3819 sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
3820 sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
3821 }
3822 tulip_reset(sc);
3823 tulip_init(sc);
3824 }
3825 }
3826
3827 static void
3828 tulip_attach(tulip_softc_t *sc)
3829 {
3830 struct ifnet *ifp = &sc->arpcom.ac_if;
3831
3832 ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_MULTICAST;
3833 ifp->if_ioctl = tulip_ifioctl;
3834 ifp->if_start = tulip_ifstart;
3835 ifp->if_watchdog = tulip_ifwatchdog;
3836 ifp->if_timer = 1;
3837
3838 if_printf(ifp, "%s%s pass %d.%d%s\n",
3839 sc->tulip_boardid,
3840 tulip_chipdescs[sc->tulip_chipid],
3841 (sc->tulip_revinfo & 0xF0) >> 4,
3842 sc->tulip_revinfo & 0x0F,
3843 (sc->tulip_features & (TULIP_HAVE_ISVSROM|TULIP_HAVE_OKSROM))
3844 == TULIP_HAVE_ISVSROM ? " (invalid EESPROM checksum)" : "");
3845
3846 (*sc->tulip_boardsw->bd_media_probe)(sc);
3847 ifmedia_init(&sc->tulip_ifmedia, 0,
3848 tulip_ifmedia_change,
3849 tulip_ifmedia_status);
3850 sc->tulip_flags &= ~TULIP_DEVICEPROBE;
3851 tulip_ifmedia_add(sc);
3852
3853 ifq_set_maxlen(&ifp->if_snd, ifqmaxlen);
3854 ether_ifattach(&sc->arpcom.ac_if, sc->arpcom.ac_enaddr, NULL);
3855
3856 tulip_reset(sc);
3857 }
3858
3859 /* Release memory for a single descriptor ring. */
3860 static void
3861 tulip_busdma_freering(tulip_ringinfo_t *ri)
3862 {
3863 int i;
3864
3865 /* Release the DMA maps and tag for data buffers. */
3866 if (ri->ri_data_maps != NULL) {
3867 for (i = 0; i < ri->ri_max; i++) {
3868 if (ri->ri_data_maps[i] != NULL) {
3869 bus_dmamap_destroy(ri->ri_data_tag, ri->ri_data_maps[i]);
3870 ri->ri_data_maps[i] = NULL;
3871 }
3872 }
3873 kfree(ri->ri_data_maps, M_DEVBUF);
3874 ri->ri_data_maps = NULL;
3875 }
3876 if (ri->ri_data_tag != NULL) {
3877 bus_dma_tag_destroy(ri->ri_data_tag);
3878 ri->ri_data_tag = NULL;
3879 }
3880
3881 /* Release the DMA memory and tag for the ring descriptors. */
3882 if (ri->ri_dma_addr != 0) {
3883 bus_dmamap_unload(ri->ri_ring_tag, ri->ri_ring_map);
3884 ri->ri_dma_addr = 0;
3885 }
3886 if (ri->ri_descs != NULL) {
3887 bus_dmamem_free(ri->ri_ring_tag, ri->ri_descs, ri->ri_ring_map);
3888 ri->ri_descs = NULL;
3889 }
3890 if (ri->ri_ring_tag != NULL) {
3891 bus_dma_tag_destroy(ri->ri_ring_tag);
3892 ri->ri_ring_tag = NULL;
3893 }
3894 }
3895
3896 /* Allocate memory for a single descriptor ring. */
3897 static int
3898 tulip_busdma_allocring(device_t dev, tulip_softc_t *sc, size_t count,
3899 bus_size_t align, int nsegs, tulip_ringinfo_t *ri, const char *name)
3900 {
3901 size_t size;
3902 int error, i;
3903
3904 /* First, setup a tag. */
3905 ri->ri_max = count;
3906 size = count * sizeof(tulip_desc_t);
3907 error = bus_dma_tag_create(bus_get_dma_tag(dev),
3908 32, 0, BUS_SPACE_MAXADDR_32BIT,
3909 BUS_SPACE_MAXADDR, NULL, NULL, size, 1, size, 0, &ri->ri_ring_tag);
3910 if (error) {
3911 device_printf(dev, "failed to allocate %s descriptor ring dma tag\n",
3912 name);
3913 return (error);
3914 }
3915
3916 /* Next, allocate memory for the descriptors. */
3917 error = bus_dmamem_alloc(ri->ri_ring_tag, (void **)&ri->ri_descs,
3918 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &ri->ri_ring_map);
3919 if (error) {
3920 device_printf(dev, "failed to allocate memory for %s descriptor ring\n",
3921 name);
3922 return (error);
3923 }
3924
3925 /* Map the descriptors. */
3926 error = bus_dmamap_load(ri->ri_ring_tag, ri->ri_ring_map, ri->ri_descs,
3927 size, tulip_dma_map_addr, &ri->ri_dma_addr, BUS_DMA_NOWAIT);
3928 if (error) {
3929 device_printf(dev, "failed to get dma address for %s descriptor ring\n",
3930 name);
3931 return (error);
3932 }
3933
3934 /* Allocate a tag for the data buffers. */
3935 error = bus_dma_tag_create(bus_get_dma_tag(dev), align, 0,
3936 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
3937 MCLBYTES * nsegs, nsegs, MCLBYTES, 0, &ri->ri_data_tag);
3938 if (error) {
3939 device_printf(dev, "failed to allocate %s buffer dma tag\n", name);
3940 return (error);
3941 }
3942
3943 /* Allocate maps for the data buffers. */
3944 ri->ri_data_maps = kmalloc(sizeof(bus_dmamap_t) * count, M_DEVBUF,
3945 M_WAITOK | M_ZERO);
3946 for (i = 0; i < count; i++) {
3947 error = bus_dmamap_create(ri->ri_data_tag, 0, &ri->ri_data_maps[i]);
3948 if (error) {
3949 device_printf(dev, "failed to create map for %s buffer %d\n",
3950 name, i);
3951 return (error);
3952 }
3953 }
3954
3955 return (0);
3956 }
3957
3958 /* Release busdma maps, tags, and memory. */
3959 static void
3960 tulip_busdma_cleanup(tulip_softc_t *sc)
3961 {
3962
3963 /* Release resources for the setup descriptor. */
3964 if (sc->tulip_setup_dma_addr != 0) {
3965 bus_dmamap_unload(sc->tulip_setup_tag, sc->tulip_setup_map);
3966 sc->tulip_setup_dma_addr = 0;
3967 }
3968 if (sc->tulip_setupbuf != NULL) {
3969 bus_dmamem_free(sc->tulip_setup_tag, sc->tulip_setupbuf,
3970 sc->tulip_setup_map);
3971 sc->tulip_setupbuf = NULL;
3972 }
3973 if (sc->tulip_setup_tag != NULL) {
3974 bus_dma_tag_destroy(sc->tulip_setup_tag);
3975 sc->tulip_setup_tag = NULL;
3976 }
3977
3978 /* Release the transmit ring. */
3979 tulip_busdma_freering(&sc->tulip_txinfo);
3980
3981 /* Release the receive ring. */
3982 tulip_busdma_freering(&sc->tulip_rxinfo);
3983 }
3984
3985 static int
3986 tulip_busdma_init(device_t dev, tulip_softc_t *sc)
3987 {
3988 int error;
3989
3990 /*
3991 * Allocate space and dmamap for transmit ring.
3992 */
3993 error = tulip_busdma_allocring(dev, sc, TULIP_TXDESCS, 1, TULIP_MAX_TXSEG,
3994 &sc->tulip_txinfo, "transmit");
3995 if (error)
3996 return (error);
3997
3998 /*
3999 * Allocate space and dmamap for receive ring. We tell bus_dma that
4000 * we can map MCLBYTES so that it will accept a full MCLBYTES cluster,
4001 * but we will only map the first TULIP_RX_BUFLEN bytes. This is not
4002 * a waste in practice though as an ethernet frame can easily fit
4003 * in TULIP_RX_BUFLEN bytes.
4004 */
4005 error = tulip_busdma_allocring(dev, sc, TULIP_RXDESCS, 4, 1,
4006 &sc->tulip_rxinfo, "receive");
4007 if (error)
4008 return (error);
4009
4010 /*
4011 * Allocate a DMA tag, memory, and map for setup descriptor
4012 */
4013 error = bus_dma_tag_create(bus_get_dma_tag(dev), 32, 0,
4014 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL,
4015 sizeof(sc->tulip_setupdata), 1, sizeof(sc->tulip_setupdata), 0,
4016 &sc->tulip_setup_tag);
4017 if (error) {
4018 device_printf(dev, "failed to allocate setup descriptor dma tag\n");
4019 return (error);
4020 }
4021 error = bus_dmamem_alloc(sc->tulip_setup_tag, (void **)&sc->tulip_setupbuf,
4022 BUS_DMA_NOWAIT | BUS_DMA_ZERO, &sc->tulip_setup_map);
4023 if (error) {
4024 device_printf(dev, "failed to allocate memory for setup descriptor\n");
4025 return (error);
4026 }
4027 error = bus_dmamap_load(sc->tulip_setup_tag, sc->tulip_setup_map,
4028 sc->tulip_setupbuf, sizeof(sc->tulip_setupdata),
4029 tulip_dma_map_addr, &sc->tulip_setup_dma_addr, BUS_DMA_NOWAIT);
4030 if (error) {
4031 device_printf(dev, "failed to get dma address for setup descriptor\n");
4032 return (error);
4033 }
4034
4035 return error;
4036 }
4037
4038 static void
4039 tulip_initcsrs(tulip_softc_t *sc, tulip_csrptr_t csr_base, size_t csr_size)
4040 {
4041 sc->tulip_csrs.csr_busmode = csr_base + 0 * csr_size;
4042 sc->tulip_csrs.csr_txpoll = csr_base + 1 * csr_size;
4043 sc->tulip_csrs.csr_rxpoll = csr_base + 2 * csr_size;
4044 sc->tulip_csrs.csr_rxlist = csr_base + 3 * csr_size;
4045 sc->tulip_csrs.csr_txlist = csr_base + 4 * csr_size;
4046 sc->tulip_csrs.csr_status = csr_base + 5 * csr_size;
4047 sc->tulip_csrs.csr_command = csr_base + 6 * csr_size;
4048 sc->tulip_csrs.csr_intr = csr_base + 7 * csr_size;
4049 sc->tulip_csrs.csr_missed_frames = csr_base + 8 * csr_size;
4050 sc->tulip_csrs.csr_9 = csr_base + 9 * csr_size;
4051 sc->tulip_csrs.csr_10 = csr_base + 10 * csr_size;
4052 sc->tulip_csrs.csr_11 = csr_base + 11 * csr_size;
4053 sc->tulip_csrs.csr_12 = csr_base + 12 * csr_size;
4054 sc->tulip_csrs.csr_13 = csr_base + 13 * csr_size;
4055 sc->tulip_csrs.csr_14 = csr_base + 14 * csr_size;
4056 sc->tulip_csrs.csr_15 = csr_base + 15 * csr_size;
4057 }
4058
4059 static int
4060 tulip_initring(tulip_ringinfo_t *ri, int ndescs)
4061 {
4062 int i;
4063
4064 ri->ri_descinfo = kmalloc(sizeof(tulip_descinfo_t) * ndescs, M_DEVBUF,
4065 M_WAITOK | M_ZERO);
4066 for (i = 0; i < ndescs; i++) {
4067 ri->ri_descinfo[i].di_desc = &ri->ri_descs[i];
4068 ri->ri_descinfo[i].di_map = &ri->ri_data_maps[i];
4069 }
4070 ri->ri_first = ri->ri_descinfo;
4071 ri->ri_max = ndescs;
4072 ri->ri_last = ri->ri_first + ri->ri_max;
4073 bzero(ri->ri_descs, sizeof(tulip_desc_t) * ri->ri_max);
4074 DESC_FLAG(&ri->ri_last[-1]) = TULIP_DFLAG_ENDRING;
4075 return (0);
4076 }
4077
4078 /*
4079 * This is the PCI configuration support.
4080 */
4081
4082 #define PCI_CBIO PCIR_BAR(0) /* Configuration Base IO Address */
4083 #define PCI_CBMA PCIR_BAR(1) /* Configuration Base Memory Address */
4084 #define PCI_CFDA 0x40 /* Configuration Driver Area */
4085
4086 static int
4087 tulip_pci_probe(device_t dev)
4088 {
4089 const char *name = NULL;
4090
4091 if (pci_get_vendor(dev) != DEC_VENDORID)
4092 return ENXIO;
4093
4094 /*
4095 * Some LanMedia WAN cards use the Tulip chip, but they have
4096 * their own driver, and we should not recognize them
4097 */
4098 if (pci_get_subvendor(dev) == 0x1376)
4099 return ENXIO;
4100
4101 switch (pci_get_device(dev)) {
4102 case CHIPID_21040:
4103 name = "Digital 21040 Ethernet";
4104 break;
4105 case CHIPID_21041:
4106 name = "Digital 21041 Ethernet";
4107 break;
4108 case CHIPID_21140:
4109 if (pci_get_revid(dev) >= 0x20)
4110 name = "Digital 21140A Fast Ethernet";
4111 else
4112 name = "Digital 21140 Fast Ethernet";
4113 break;
4114 case CHIPID_21142:
4115 if (pci_get_revid(dev) >= 0x20)
4116 name = "Digital 21143 Fast Ethernet";
4117 else
4118 name = "Digital 21142 Fast Ethernet";
4119 break;
4120 }
4121 if (name) {
4122 device_set_desc(dev, name);
4123 return -200;
4124 }
4125 return ENXIO;
4126 }
4127
4128 static int
4129 tulip_shutdown(device_t dev)
4130 {
4131 tulip_softc_t *sc = device_get_softc(dev);
4132
4133 lwkt_serialize_enter(sc->arpcom.ac_if.if_serializer);
4134 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
4135 DELAY(10); /* Wait 10 microseconds (actually 50 PCI cycles but at
4136 33MHz that comes to two microseconds but wait a
4137 bit longer anyways) */
4138 lwkt_serialize_exit(sc->arpcom.ac_if.if_serializer);
4139 return 0;
4140 }
4141
4142 static int
4143 tulip_pci_attach(device_t dev)
4144 {
4145 tulip_softc_t *sc;
4146 int retval, idx;
4147 uint32_t revinfo, cfdainfo;
4148 u_int csroffset = TULIP_PCI_CSROFFSET;
4149 u_int csrsize = TULIP_PCI_CSRSIZE;
4150 tulip_csrptr_t csr_base;
4151 tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
4152 struct resource *res;
4153 int rid, unit;
4154
4155 unit = device_get_unit(dev);
4156
4157 if (unit >= TULIP_MAX_DEVICES) {
4158 device_printf(dev, "not configured; limit of %d reached or exceeded\n",
4159 TULIP_MAX_DEVICES);
4160 return ENXIO;
4161 }
4162
4163 revinfo = pci_get_revid(dev);
4164 cfdainfo = pci_read_config(dev, PCI_CFDA, 4);
4165
4166 /* turn busmaster on in case BIOS doesn't set it */
4167 pci_enable_busmaster(dev);
4168
4169 if (pci_get_vendor(dev) == DEC_VENDORID) {
4170 if (pci_get_device(dev) == CHIPID_21040)
4171 chipid = TULIP_21040;
4172 else if (pci_get_device(dev) == CHIPID_21041)
4173 chipid = TULIP_21041;
4174 else if (pci_get_device(dev) == CHIPID_21140)
4175 chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
4176 else if (pci_get_device(dev) == CHIPID_21142)
4177 chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
4178 }
4179 if (chipid == TULIP_CHIPID_UNKNOWN)
4180 return ENXIO;
4181
4182 if (chipid == TULIP_21040 && revinfo < 0x20) {
4183 device_printf(dev,
4184 "not configured; 21040 pass 2.0 required (%d.%d found)\n",
4185 revinfo >> 4, revinfo & 0x0f);
4186 return ENXIO;
4187 } else if (chipid == TULIP_21140 && revinfo < 0x11) {
4188 device_printf(dev,
4189 "not configured; 21140 pass 1.1 required (%d.%d found)\n",
4190 revinfo >> 4, revinfo & 0x0f);
4191 return ENXIO;
4192 }
4193
4194 sc = device_get_softc(dev);
4195 sc->tulip_dev = dev;
4196 sc->tulip_pci_busno = pci_get_bus(dev);
4197 sc->tulip_pci_devno = pci_get_slot(dev);
4198 sc->tulip_chipid = chipid;
4199 sc->tulip_flags |= TULIP_DEVICEPROBE;
4200 if (chipid == TULIP_21140 || chipid == TULIP_21140A)
4201 sc->tulip_features |= TULIP_HAVE_GPR|TULIP_HAVE_STOREFWD;
4202 if (chipid == TULIP_21140A && revinfo <= 0x22)
4203 sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW;
4204 if (chipid == TULIP_21140)
4205 sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
4206 if (chipid != TULIP_21040 && chipid != TULIP_21140)
4207 sc->tulip_features |= TULIP_HAVE_POWERMGMT;
4208 if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
4209 sc->tulip_features |= TULIP_HAVE_DUALSENSE;
4210 if (chipid != TULIP_21041 || revinfo >= 0x20)
4211 sc->tulip_features |= TULIP_HAVE_SIANWAY;
4212 if (chipid != TULIP_21041)
4213 sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW|TULIP_HAVE_STOREFWD;
4214 if (chipid != TULIP_21041 && revinfo >= 0x20)
4215 sc->tulip_features |= TULIP_HAVE_SIA100;
4216 }
4217
4218 if (sc->tulip_features & TULIP_HAVE_POWERMGMT
4219 && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
4220 cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
4221 pci_write_config(dev, PCI_CFDA, cfdainfo, 4);
4222 DELAY(11*1000);
4223 }
4224 if_initname(&sc->arpcom.ac_if, device_get_name(dev), unit);
4225 sc->tulip_unit = unit;
4226 sc->tulip_revinfo = revinfo;
4227 sc->arpcom.ac_if.if_softc = sc;
4228 #if defined(TULIP_IOMAPPED)
4229 rid = PCI_CBIO;
4230 res = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
4231 #else
4232 rid = PCI_CBMA;
4233 res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
4234 #endif
4235 if (!res)
4236 return ENXIO;
4237 sc->tulip_csrs_bst = rman_get_bustag(res);
4238 sc->tulip_csrs_bsh = rman_get_bushandle(res);
4239 csr_base = 0;
4240
4241 callout_init(&sc->tulip_callout);
4242 tulips[unit] = sc;
4243
4244 tulip_initcsrs(sc, csr_base + csroffset, csrsize);
4245
4246 if ((retval = tulip_busdma_init(dev, sc)) != 0) {
4247 device_printf(dev, "error initing bus_dma: %d\n", retval);
4248 tulip_busdma_cleanup(sc);
4249 return ENXIO;
4250 }
4251
4252 retval = tulip_initring(&sc->tulip_rxinfo, TULIP_RXDESCS);
4253 if (retval == 0)
4254 retval = tulip_initring(&sc->tulip_txinfo, TULIP_TXDESCS);
4255 if (retval) {
4256 tulip_busdma_cleanup(sc);
4257 return retval;
4258 }
4259
4260 /*
4261 * Make sure there won't be any interrupts or such...
4262 */
4263 TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
4264 DELAY(100); /* Wait 10 microseconds (actually 50 PCI cycles but at
4265 33MHz that comes to two microseconds but wait a
4266 bit longer anyways) */
4267
4268 if ((retval = tulip_read_macaddr(sc)) < 0) {
4269 device_printf(dev, "can't read ENET ROM (why=%d) (", retval);
4270 for (idx = 0; idx < 32; idx++)
4271 kprintf("%02x", sc->tulip_rombuf[idx]);
4272 kprintf("\n");
4273 device_printf(dev, "%s%s pass %d.%d\n",
4274 sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid],
4275 (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
4276 device_printf(dev, "address unknown\n");
4277 } else {
4278 void (*intr_rtn)(void *) = tulip_intr_normal;
4279
4280 if (sc->tulip_features & TULIP_HAVE_SHAREDINTR)
4281 intr_rtn = tulip_intr_shared;
4282
4283 tulip_attach(sc);
4284
4285 /* Setup interrupt last. */
4286 if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
4287 void *ih;
4288
4289 rid = 0;
4290 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
4291 RF_SHAREABLE | RF_ACTIVE);
4292 if (res == NULL || bus_setup_intr(dev, res, INTR_MPSAFE,
4293 intr_rtn, sc, &ih,
4294 sc->arpcom.ac_if.if_serializer)) {
4295 device_printf(dev, "couldn't map interrupt\n");
4296 ifmedia_removeall(&sc->tulip_ifmedia);
4297 ether_ifdetach(&sc->arpcom.ac_if);
4298 tulip_busdma_cleanup(sc);
4299 return ENXIO;
4300 }
4301
4302 ifq_set_cpuid(&sc->arpcom.ac_if.if_snd, rman_get_cpuid(res));
4303 }
4304 }
4305 return 0;
4306 }
4307
4308 static device_method_t tulip_pci_methods[] = {
4309 /* Device interface */
4310 DEVMETHOD(device_probe, tulip_pci_probe),
4311 DEVMETHOD(device_attach, tulip_pci_attach),
4312 DEVMETHOD(device_shutdown, tulip_shutdown),
4313 DEVMETHOD_END
4314 };
4315 static driver_t tulip_pci_driver = {
4316 "de",
4317 tulip_pci_methods,
4318 sizeof(tulip_softc_t),
4319 };
4320 static devclass_t tulip_devclass;
4321
4322 DECLARE_DUMMY_MODULE(if_de);
4323 DRIVER_MODULE(if_de, pci, tulip_pci_driver, tulip_devclass, NULL, NULL);
4324
DragonFly BSD