1/*-
2 * Copyright 2007-2009 Solarflare Communications Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: head/sys/dev/sfxge/common/efx_mac.c 228078 2011-11-28 17:19:05Z philip $");
28
29#include "efsys.h"
30#include "efx.h"
31#include "efx_types.h"
32#include "efx_impl.h"
33
34#if EFSYS_OPT_MAC_FALCON_GMAC
35#include "falcon_gmac.h"
36#endif
37
38#if EFSYS_OPT_MAC_FALCON_XMAC
39#include "falcon_xmac.h"
40#endif
41
42#if EFSYS_OPT_MAC_FALCON_GMAC
43static efx_mac_ops_t __cs __efx_falcon_gmac_ops = {
44 falcon_gmac_reset, /* emo_reset */
45 falcon_mac_poll, /* emo_poll */
46 falcon_mac_up, /* emo_up */
47 falcon_gmac_reconfigure, /* emo_reconfigure */
48#if EFSYS_OPT_LOOPBACK
49 falcon_mac_loopback_set, /* emo_loopback_set */
50#endif /* EFSYS_OPT_LOOPBACK */
51#if EFSYS_OPT_MAC_STATS
52 falcon_mac_stats_upload, /* emo_stats_upload */
53 NULL, /* emo_stats_periodic */
54 falcon_gmac_stats_update /* emo_stats_update */
55#endif /* EFSYS_OPT_MAC_STATS */
56};
57#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
58
59#if EFSYS_OPT_MAC_FALCON_XMAC
60static efx_mac_ops_t __cs __efx_falcon_xmac_ops = {
61 falcon_xmac_reset, /* emo_reset */
62 falcon_mac_poll, /* emo_poll */
63 falcon_mac_up, /* emo_up */
64 falcon_xmac_reconfigure, /* emo_reconfigure */
65#if EFSYS_OPT_LOOPBACK
66 falcon_mac_loopback_set, /* emo_loopback_set */
67#endif /* EFSYS_OPT_LOOPBACK */
68#if EFSYS_OPT_MAC_STATS
69 falcon_mac_stats_upload, /* emo_stats_upload */
70 NULL, /* emo_stats_periodic */
71 falcon_xmac_stats_update /* emo_stats_update */
72#endif /* EFSYS_OPT_MAC_STATS */
73};
74#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
75
76#if EFSYS_OPT_SIENA
77static efx_mac_ops_t __cs __efx_siena_mac_ops = {
78 NULL, /* emo_reset */
79 siena_mac_poll, /* emo_poll */
80 siena_mac_up, /* emo_up */
81 siena_mac_reconfigure, /* emo_reconfigure */
82#if EFSYS_OPT_LOOPBACK
83 siena_mac_loopback_set, /* emo_loopback_set */
84#endif /* EFSYS_OPT_LOOPBACK */
85#if EFSYS_OPT_MAC_STATS
86 siena_mac_stats_upload, /* emo_stats_upload */
87 siena_mac_stats_periodic, /* emo_stats_periodic */
88 siena_mac_stats_update /* emo_stats_update */
89#endif /* EFSYS_OPT_MAC_STATS */
90};
91#endif /* EFSYS_OPT_SIENA */
92
93static efx_mac_ops_t __cs * __cs __efx_mac_ops[] = {
94 NULL,
95#if EFSYS_OPT_MAC_FALCON_GMAC
96 &__efx_falcon_gmac_ops,
97#else
98 NULL,
99#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
100#if EFSYS_OPT_MAC_FALCON_XMAC
101 &__efx_falcon_xmac_ops,
102#else
103 NULL,
104#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
105#if EFSYS_OPT_SIENA
106 &__efx_siena_mac_ops,
107#else
108 NULL,
109#endif /* EFSYS_OPT_SIENA */
110};
111
112 __checkReturn int
113efx_mac_pdu_set(
114 __in efx_nic_t *enp,
115 __in size_t pdu)
116{
117 efx_port_t *epp = &(enp->en_port);
118 efx_mac_ops_t *emop = epp->ep_emop;
119 uint32_t old_pdu;
120 int rc;
121
122 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
123 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
124 EFSYS_ASSERT(emop != NULL);
125
126 if (pdu < EFX_MAC_PDU_MIN) {
127 rc = EINVAL;
128 goto fail1;
129 }
130
131 if (pdu > EFX_MAC_PDU_MAX) {
132 rc = EINVAL;
133 goto fail2;
134 }
135
136 old_pdu = epp->ep_mac_pdu;
137 epp->ep_mac_pdu = (uint32_t)pdu;
138 if ((rc = emop->emo_reconfigure(enp)) != 0)
139 goto fail3;
140
141 return (0);
142
143fail3:
144 EFSYS_PROBE(fail3);
145
146 epp->ep_mac_pdu = old_pdu;
147
148fail2:
149 EFSYS_PROBE(fail2);
150fail1:
151 EFSYS_PROBE1(fail1, int, rc);
152
153 return (rc);
154}
155
156 __checkReturn int
157efx_mac_addr_set(
158 __in efx_nic_t *enp,
159 __in uint8_t *addr)
160{
161 efx_port_t *epp = &(enp->en_port);
162 efx_mac_ops_t *emop = epp->ep_emop;
163 uint8_t old_addr[6];
164 uint32_t oui;
165 int rc;
166
167 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
168 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
169
170 if (addr[0] & 0x01) {
171 rc = EINVAL;
172 goto fail1;
173 }
174
175 oui = addr[0] << 16 | addr[1] << 8 | addr[2];
176 if (oui == 0x000000) {
177 rc = EINVAL;
178 goto fail2;
179 }
180
181 EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
182 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
183 if ((rc = emop->emo_reconfigure(enp)) != 0)
184 goto fail3;
185
186 return (0);
187
188fail3:
189 EFSYS_PROBE(fail3);
190
191 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
192
193fail2:
194 EFSYS_PROBE(fail2);
195fail1:
196 EFSYS_PROBE1(fail1, int, rc);
197
198 return (rc);
199}
200
201 __checkReturn int
202efx_mac_filter_set(
203 __in efx_nic_t *enp,
204 __in boolean_t unicst,
205 __in boolean_t brdcst)
206{
207 efx_port_t *epp = &(enp->en_port);
208 efx_mac_ops_t *emop = epp->ep_emop;
209 boolean_t old_unicst;
210 boolean_t old_brdcst;
211 int rc;
212
213 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
214 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
215
216 old_unicst = unicst;
217 old_brdcst = brdcst;
218
219 epp->ep_unicst = unicst;
220 epp->ep_brdcst = brdcst;
221
222 if ((rc = emop->emo_reconfigure(enp)) != 0)
223 goto fail1;
224
225 return (0);
226
227fail1:
228 EFSYS_PROBE1(fail1, int, rc);
229
230 epp->ep_unicst = old_unicst;
231 epp->ep_brdcst = old_brdcst;
232
233 return (rc);
234}
235
236 __checkReturn int
237efx_mac_drain(
238 __in efx_nic_t *enp,
239 __in boolean_t enabled)
240{
241 efx_port_t *epp = &(enp->en_port);
242 efx_mac_ops_t *emop = epp->ep_emop;
243 int rc;
244
245 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
246 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
247 EFSYS_ASSERT(emop != NULL);
248
249 if (epp->ep_mac_drain == enabled)
250 return (0);
251
252 epp->ep_mac_drain = enabled;
253
254 if (enabled && emop->emo_reset != NULL) {
255 if ((rc = emop->emo_reset(enp)) != 0)
256 goto fail1;
257
258 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
259 enp->en_reset_flags &= ~EFX_RESET_PHY;
260 }
261
262 if ((rc = emop->emo_reconfigure(enp)) != 0)
263 goto fail2;
264
265 return (0);
266
267fail2:
268 EFSYS_PROBE(fail2);
269fail1:
270 EFSYS_PROBE1(fail1, int, rc);
271
272 return (rc);
273}
274
275 __checkReturn int
276efx_mac_up(
277 __in efx_nic_t *enp,
278 __out boolean_t *mac_upp)
279{
280 efx_port_t *epp = &(enp->en_port);
281 efx_mac_ops_t *emop = epp->ep_emop;
282 int rc;
283
284 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
285 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
286
287 if ((rc = emop->emo_up(enp, mac_upp)) != 0)
288 goto fail1;
289
290 return (0);
291
292fail1:
293 EFSYS_PROBE1(fail1, int, rc);
294
295 return (rc);
296}
297
298 __checkReturn int
299efx_mac_fcntl_set(
300 __in efx_nic_t *enp,
301 __in unsigned int fcntl,
302 __in boolean_t autoneg)
303{
304 efx_port_t *epp = &(enp->en_port);
305 efx_mac_ops_t *emop = epp->ep_emop;
306 efx_phy_ops_t *epop = epp->ep_epop;
307 unsigned int old_fcntl;
308 boolean_t old_autoneg;
309 unsigned int old_adv_cap;
310 int rc;
311
312 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
313 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
314
315 if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
316 rc = EINVAL;
317 goto fail1;
318 }
319
320 /*
321 * Ignore a request to set flow control autonegotiation
322 * if the PHY doesn't support it.
323 */
324 if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
325 autoneg = B_FALSE;
326
327 old_fcntl = epp->ep_fcntl;
328 old_autoneg = autoneg;
329 old_adv_cap = epp->ep_adv_cap_mask;
330
331 epp->ep_fcntl = fcntl;
332 epp->ep_fcntl_autoneg = autoneg;
333
334 /*
335 * If the PHY supports autonegotiation, then encode the flow control
336 * settings in the advertised capabilities, and restart AN. Otherwise,
337 * just push the new settings directly to the MAC.
338 */
339 if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
340 if (fcntl & EFX_FCNTL_RESPOND)
341 epp->ep_adv_cap_mask |= (1 << EFX_PHY_CAP_PAUSE |
342 1 << EFX_PHY_CAP_ASYM);
343 else
344 epp->ep_adv_cap_mask &= ~(1 << EFX_PHY_CAP_PAUSE |
345 1 << EFX_PHY_CAP_ASYM);
346
347 if (fcntl & EFX_FCNTL_GENERATE)
348 epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
349
350 if ((rc = epop->epo_reconfigure(enp)) != 0)
351 goto fail2;
352
353 } else {
354 if ((rc = emop->emo_reconfigure(enp)) != 0)
355 goto fail2;
356 }
357
358 return (0);
359
360fail2:
361 EFSYS_PROBE(fail2);
362
363 epp->ep_fcntl = old_fcntl;
364 epp->ep_fcntl_autoneg = old_autoneg;
365 epp->ep_adv_cap_mask = old_adv_cap;
366
367fail1:
368 EFSYS_PROBE1(fail1, int, rc);
369
370 return (rc);
371}
372
373 void
374efx_mac_fcntl_get(
375 __in efx_nic_t *enp,
376 __out unsigned int *fcntl_wantedp,
377 __out unsigned int *fcntl_linkp)
378{
379 efx_port_t *epp = &(enp->en_port);
380 unsigned int wanted;
381
382 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
383 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
384
385 /*
386 * If the PHY supports auto negotiation, then the requested flow
387 * control settings are encoded in the advertised capabilities.
388 */
389 if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
390 wanted = 0;
391
392 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
393 wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
394 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
395 wanted ^= EFX_FCNTL_GENERATE;
396 } else
397 wanted = epp->ep_fcntl;
398
399 *fcntl_linkp = epp->ep_fcntl;
400 *fcntl_wantedp = wanted;
401}
402
403 __checkReturn int
404efx_mac_hash_set(
405 __in efx_nic_t *enp,
406 __in_ecount(EFX_MAC_HASH_BITS) unsigned int const *bucket)
407{
408 efx_port_t *epp = &(enp->en_port);
409 efx_mac_ops_t *emop = epp->ep_emop;
410 efx_oword_t old_hash[2];
411 unsigned int index;
412 int rc;
413
414 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
415 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
416
417 memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
418
419 /* Set the lower 128 bits of the hash */
420 EFX_ZERO_OWORD(epp->ep_multicst_hash[0]);
421 for (index = 0; index < 128; index++) {
422 if (bucket[index] != 0)
423 EFX_SET_OWORD_BIT(epp->ep_multicst_hash[0], index);
424 }
425
426 /* Set the upper 128 bits of the hash */
427 EFX_ZERO_OWORD(epp->ep_multicst_hash[1]);
428 for (index = 0; index < 128; index++) {
429 if (bucket[index + 128] != 0)
430 EFX_SET_OWORD_BIT(epp->ep_multicst_hash[1], index);
431 }
432
433 if ((rc = emop->emo_reconfigure(enp)) != 0)
434 goto fail1;
435
436 return (0);
437
438fail1:
439 EFSYS_PROBE1(fail1, int, rc);
440
441 memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
442
443 return (rc);
444}
445
446#if EFSYS_OPT_MAC_STATS
447
448#if EFSYS_OPT_NAMES
449
450/* START MKCONFIG GENERATED EfxMacStatNamesBlock adf707adba80813e */
451static const char __cs * __cs __efx_mac_stat_name[] = {
452 "rx_octets",
453 "rx_pkts",
454 "rx_unicst_pkts",
455 "rx_multicst_pkts",
456 "rx_brdcst_pkts",
457 "rx_pause_pkts",
458 "rx_le_64_pkts",
459 "rx_65_to_127_pkts",
460 "rx_128_to_255_pkts",
461 "rx_256_to_511_pkts",
462 "rx_512_to_1023_pkts",
463 "rx_1024_to_15xx_pkts",
464 "rx_ge_15xx_pkts",
465 "rx_errors",
466 "rx_fcs_errors",
467 "rx_drop_events",
468 "rx_false_carrier_errors",
469 "rx_symbol_errors",
470 "rx_align_errors",
471 "rx_internal_errors",
472 "rx_jabber_pkts",
473 "rx_lane0_char_err",
474 "rx_lane1_char_err",
475 "rx_lane2_char_err",
476 "rx_lane3_char_err",
477 "rx_lane0_disp_err",
478 "rx_lane1_disp_err",
479 "rx_lane2_disp_err",
480 "rx_lane3_disp_err",
481 "rx_match_fault",
482 "rx_nodesc_drop_cnt",
483 "tx_octets",
484 "tx_pkts",
485 "tx_unicst_pkts",
486 "tx_multicst_pkts",
487 "tx_brdcst_pkts",
488 "tx_pause_pkts",
489 "tx_le_64_pkts",
490 "tx_65_to_127_pkts",
491 "tx_128_to_255_pkts",
492 "tx_256_to_511_pkts",
493 "tx_512_to_1023_pkts",
494 "tx_1024_to_15xx_pkts",
495 "tx_ge_15xx_pkts",
496 "tx_errors",
497 "tx_sgl_col_pkts",
498 "tx_mult_col_pkts",
499 "tx_ex_col_pkts",
500 "tx_late_col_pkts",
501 "tx_def_pkts",
502 "tx_ex_def_pkts",
503};
504/* END MKCONFIG GENERATED EfxMacStatNamesBlock */
505
506 __checkReturn const char __cs *
507efx_mac_stat_name(
508 __in efx_nic_t *enp,
509 __in unsigned int id)
510{
511 _NOTE(ARGUNUSED(enp))
512 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
513
514 EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
515 return (__efx_mac_stat_name[id]);
516}
517
518#endif /* EFSYS_OPT_STAT_NAME */
519
520 __checkReturn int
521efx_mac_stats_upload(
522 __in efx_nic_t *enp,
523 __in efsys_mem_t *esmp)
524{
525 efx_port_t *epp = &(enp->en_port);
526 efx_mac_ops_t *emop = epp->ep_emop;
527 int rc;
528
529 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
530 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
531 EFSYS_ASSERT(emop != NULL);
532
533 /*
534 * Don't assert !ep_mac_stats_pending, because the client might
535 * have failed to finalise statistics when previously stopping
536 * the port.
537 */
538 if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
539 goto fail1;
540
541 epp->ep_mac_stats_pending = B_TRUE;
542
543 return (0);
544
545fail1:
546 EFSYS_PROBE1(fail1, int, rc);
547
548 return (rc);
549}
550
551 __checkReturn int
552efx_mac_stats_periodic(
553 __in efx_nic_t *enp,
554 __in efsys_mem_t *esmp,
555 __in uint16_t period_ms,
556 __in boolean_t events)
557{
558 efx_port_t *epp = &(enp->en_port);
559 efx_mac_ops_t *emop = epp->ep_emop;
560 int rc;
561
562 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
563 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
564
565 EFSYS_ASSERT(emop != NULL);
566
567 if (emop->emo_stats_periodic == NULL) {
568 rc = EINVAL;
569 goto fail1;
570 }
571
572 if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
573 goto fail2;
574
575 return (0);
576
577fail2:
578 EFSYS_PROBE(fail2);
579fail1:
580 EFSYS_PROBE1(fail1, int, rc);
581
582 return (rc);
583}
584
585
586 __checkReturn int
587efx_mac_stats_update(
588 __in efx_nic_t *enp,
589 __in efsys_mem_t *esmp,
590 __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *essp,
591 __in uint32_t *generationp)
592{
593 efx_port_t *epp = &(enp->en_port);
594 efx_mac_ops_t *emop = epp->ep_emop;
595 int rc;
596
597 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
598 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
599 EFSYS_ASSERT(emop != NULL);
600
601 rc = emop->emo_stats_update(enp, esmp, essp, generationp);
602 if (rc == 0)
603 epp->ep_mac_stats_pending = B_FALSE;
604
605 return (rc);
606}
607
608#endif /* EFSYS_OPT_MAC_STATS */
609
610 __checkReturn int
611efx_mac_select(
612 __in efx_nic_t *enp)
613{
614 efx_port_t *epp = &(enp->en_port);
615 efx_mac_type_t type = EFX_MAC_INVALID;
616 efx_mac_ops_t *emop;
617 int rc = EINVAL;
618
619#if EFSYS_OPT_SIENA
620 if (enp->en_family == EFX_FAMILY_SIENA) {
621 type = EFX_MAC_SIENA;
622 goto chosen;
623 }
624#endif
625
626#if EFSYS_OPT_FALCON
627 switch (epp->ep_link_mode) {
628#if EFSYS_OPT_MAC_FALCON_GMAC
629 case EFX_LINK_100HDX:
630 case EFX_LINK_100FDX:
631 case EFX_LINK_1000HDX:
632 case EFX_LINK_1000FDX:
633 type = EFX_MAC_FALCON_GMAC;
634 goto chosen;
635#endif /* EFSYS_OPT_FALCON_GMAC */
636
637#if EFSYS_OPT_MAC_FALCON_XMAC
638 case EFX_LINK_10000FDX:
639 type = EFX_MAC_FALCON_XMAC;
640 goto chosen;
641#endif /* EFSYS_OPT_FALCON_XMAC */
642
643 default:
644#if EFSYS_OPT_MAC_FALCON_GMAC && EFSYS_OPT_MAC_FALCON_XMAC
645 /* Only initialise a MAC supported by the PHY */
646 if (epp->ep_phy_cap_mask &
647 ((1 << EFX_PHY_CAP_1000FDX) |
648 (1 << EFX_PHY_CAP_1000HDX) |
649 (1 << EFX_PHY_CAP_100FDX) |
650 (1 << EFX_PHY_CAP_100HDX) |
651 (1 << EFX_PHY_CAP_10FDX) |
652 (1 << EFX_PHY_CAP_10FDX)))
653 type = EFX_MAC_FALCON_GMAC;
654 else
655 type = EFX_MAC_FALCON_XMAC;
656#elif EFSYS_OPT_MAC_FALCON_GMAC
657 type = EFX_MAC_FALCON_GMAC;
658#else
659 type = EFX_MAC_FALCON_XMAC;
660#endif
661 goto chosen;
662 }
663#endif /* EFSYS_OPT_FALCON */
664
665chosen:
666 EFSYS_ASSERT(type != EFX_MAC_INVALID);
667 EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
668 emop = epp->ep_emop = (efx_mac_ops_t *)__efx_mac_ops[type];
669 EFSYS_ASSERT(emop != NULL);
670
671 epp->ep_mac_type = type;
672
673 if (emop->emo_reset != NULL) {
674 if ((rc = emop->emo_reset(enp)) != 0)
675 goto fail1;
676
677 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
678 enp->en_reset_flags &= ~EFX_RESET_MAC;
679 }
680
681 return (0);
682
683fail1:
684 EFSYS_PROBE1(fail1, int, rc);
685
686 return (rc);
687}
2 * Copyright 2007-2009 Solarflare Communications Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD: head/sys/dev/sfxge/common/efx_mac.c 228078 2011-11-28 17:19:05Z philip $");
28
29#include "efsys.h"
30#include "efx.h"
31#include "efx_types.h"
32#include "efx_impl.h"
33
34#if EFSYS_OPT_MAC_FALCON_GMAC
35#include "falcon_gmac.h"
36#endif
37
38#if EFSYS_OPT_MAC_FALCON_XMAC
39#include "falcon_xmac.h"
40#endif
41
42#if EFSYS_OPT_MAC_FALCON_GMAC
43static efx_mac_ops_t __cs __efx_falcon_gmac_ops = {
44 falcon_gmac_reset, /* emo_reset */
45 falcon_mac_poll, /* emo_poll */
46 falcon_mac_up, /* emo_up */
47 falcon_gmac_reconfigure, /* emo_reconfigure */
48#if EFSYS_OPT_LOOPBACK
49 falcon_mac_loopback_set, /* emo_loopback_set */
50#endif /* EFSYS_OPT_LOOPBACK */
51#if EFSYS_OPT_MAC_STATS
52 falcon_mac_stats_upload, /* emo_stats_upload */
53 NULL, /* emo_stats_periodic */
54 falcon_gmac_stats_update /* emo_stats_update */
55#endif /* EFSYS_OPT_MAC_STATS */
56};
57#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
58
59#if EFSYS_OPT_MAC_FALCON_XMAC
60static efx_mac_ops_t __cs __efx_falcon_xmac_ops = {
61 falcon_xmac_reset, /* emo_reset */
62 falcon_mac_poll, /* emo_poll */
63 falcon_mac_up, /* emo_up */
64 falcon_xmac_reconfigure, /* emo_reconfigure */
65#if EFSYS_OPT_LOOPBACK
66 falcon_mac_loopback_set, /* emo_loopback_set */
67#endif /* EFSYS_OPT_LOOPBACK */
68#if EFSYS_OPT_MAC_STATS
69 falcon_mac_stats_upload, /* emo_stats_upload */
70 NULL, /* emo_stats_periodic */
71 falcon_xmac_stats_update /* emo_stats_update */
72#endif /* EFSYS_OPT_MAC_STATS */
73};
74#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
75
76#if EFSYS_OPT_SIENA
77static efx_mac_ops_t __cs __efx_siena_mac_ops = {
78 NULL, /* emo_reset */
79 siena_mac_poll, /* emo_poll */
80 siena_mac_up, /* emo_up */
81 siena_mac_reconfigure, /* emo_reconfigure */
82#if EFSYS_OPT_LOOPBACK
83 siena_mac_loopback_set, /* emo_loopback_set */
84#endif /* EFSYS_OPT_LOOPBACK */
85#if EFSYS_OPT_MAC_STATS
86 siena_mac_stats_upload, /* emo_stats_upload */
87 siena_mac_stats_periodic, /* emo_stats_periodic */
88 siena_mac_stats_update /* emo_stats_update */
89#endif /* EFSYS_OPT_MAC_STATS */
90};
91#endif /* EFSYS_OPT_SIENA */
92
93static efx_mac_ops_t __cs * __cs __efx_mac_ops[] = {
94 NULL,
95#if EFSYS_OPT_MAC_FALCON_GMAC
96 &__efx_falcon_gmac_ops,
97#else
98 NULL,
99#endif /* EFSYS_OPT_MAC_FALCON_GMAC */
100#if EFSYS_OPT_MAC_FALCON_XMAC
101 &__efx_falcon_xmac_ops,
102#else
103 NULL,
104#endif /* EFSYS_OPT_MAC_FALCON_XMAC */
105#if EFSYS_OPT_SIENA
106 &__efx_siena_mac_ops,
107#else
108 NULL,
109#endif /* EFSYS_OPT_SIENA */
110};
111
112 __checkReturn int
113efx_mac_pdu_set(
114 __in efx_nic_t *enp,
115 __in size_t pdu)
116{
117 efx_port_t *epp = &(enp->en_port);
118 efx_mac_ops_t *emop = epp->ep_emop;
119 uint32_t old_pdu;
120 int rc;
121
122 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
123 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
124 EFSYS_ASSERT(emop != NULL);
125
126 if (pdu < EFX_MAC_PDU_MIN) {
127 rc = EINVAL;
128 goto fail1;
129 }
130
131 if (pdu > EFX_MAC_PDU_MAX) {
132 rc = EINVAL;
133 goto fail2;
134 }
135
136 old_pdu = epp->ep_mac_pdu;
137 epp->ep_mac_pdu = (uint32_t)pdu;
138 if ((rc = emop->emo_reconfigure(enp)) != 0)
139 goto fail3;
140
141 return (0);
142
143fail3:
144 EFSYS_PROBE(fail3);
145
146 epp->ep_mac_pdu = old_pdu;
147
148fail2:
149 EFSYS_PROBE(fail2);
150fail1:
151 EFSYS_PROBE1(fail1, int, rc);
152
153 return (rc);
154}
155
156 __checkReturn int
157efx_mac_addr_set(
158 __in efx_nic_t *enp,
159 __in uint8_t *addr)
160{
161 efx_port_t *epp = &(enp->en_port);
162 efx_mac_ops_t *emop = epp->ep_emop;
163 uint8_t old_addr[6];
164 uint32_t oui;
165 int rc;
166
167 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
168 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
169
170 if (addr[0] & 0x01) {
171 rc = EINVAL;
172 goto fail1;
173 }
174
175 oui = addr[0] << 16 | addr[1] << 8 | addr[2];
176 if (oui == 0x000000) {
177 rc = EINVAL;
178 goto fail2;
179 }
180
181 EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
182 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
183 if ((rc = emop->emo_reconfigure(enp)) != 0)
184 goto fail3;
185
186 return (0);
187
188fail3:
189 EFSYS_PROBE(fail3);
190
191 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
192
193fail2:
194 EFSYS_PROBE(fail2);
195fail1:
196 EFSYS_PROBE1(fail1, int, rc);
197
198 return (rc);
199}
200
201 __checkReturn int
202efx_mac_filter_set(
203 __in efx_nic_t *enp,
204 __in boolean_t unicst,
205 __in boolean_t brdcst)
206{
207 efx_port_t *epp = &(enp->en_port);
208 efx_mac_ops_t *emop = epp->ep_emop;
209 boolean_t old_unicst;
210 boolean_t old_brdcst;
211 int rc;
212
213 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
214 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
215
216 old_unicst = unicst;
217 old_brdcst = brdcst;
218
219 epp->ep_unicst = unicst;
220 epp->ep_brdcst = brdcst;
221
222 if ((rc = emop->emo_reconfigure(enp)) != 0)
223 goto fail1;
224
225 return (0);
226
227fail1:
228 EFSYS_PROBE1(fail1, int, rc);
229
230 epp->ep_unicst = old_unicst;
231 epp->ep_brdcst = old_brdcst;
232
233 return (rc);
234}
235
236 __checkReturn int
237efx_mac_drain(
238 __in efx_nic_t *enp,
239 __in boolean_t enabled)
240{
241 efx_port_t *epp = &(enp->en_port);
242 efx_mac_ops_t *emop = epp->ep_emop;
243 int rc;
244
245 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
246 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
247 EFSYS_ASSERT(emop != NULL);
248
249 if (epp->ep_mac_drain == enabled)
250 return (0);
251
252 epp->ep_mac_drain = enabled;
253
254 if (enabled && emop->emo_reset != NULL) {
255 if ((rc = emop->emo_reset(enp)) != 0)
256 goto fail1;
257
258 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
259 enp->en_reset_flags &= ~EFX_RESET_PHY;
260 }
261
262 if ((rc = emop->emo_reconfigure(enp)) != 0)
263 goto fail2;
264
265 return (0);
266
267fail2:
268 EFSYS_PROBE(fail2);
269fail1:
270 EFSYS_PROBE1(fail1, int, rc);
271
272 return (rc);
273}
274
275 __checkReturn int
276efx_mac_up(
277 __in efx_nic_t *enp,
278 __out boolean_t *mac_upp)
279{
280 efx_port_t *epp = &(enp->en_port);
281 efx_mac_ops_t *emop = epp->ep_emop;
282 int rc;
283
284 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
285 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
286
287 if ((rc = emop->emo_up(enp, mac_upp)) != 0)
288 goto fail1;
289
290 return (0);
291
292fail1:
293 EFSYS_PROBE1(fail1, int, rc);
294
295 return (rc);
296}
297
298 __checkReturn int
299efx_mac_fcntl_set(
300 __in efx_nic_t *enp,
301 __in unsigned int fcntl,
302 __in boolean_t autoneg)
303{
304 efx_port_t *epp = &(enp->en_port);
305 efx_mac_ops_t *emop = epp->ep_emop;
306 efx_phy_ops_t *epop = epp->ep_epop;
307 unsigned int old_fcntl;
308 boolean_t old_autoneg;
309 unsigned int old_adv_cap;
310 int rc;
311
312 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
313 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
314
315 if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
316 rc = EINVAL;
317 goto fail1;
318 }
319
320 /*
321 * Ignore a request to set flow control autonegotiation
322 * if the PHY doesn't support it.
323 */
324 if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
325 autoneg = B_FALSE;
326
327 old_fcntl = epp->ep_fcntl;
328 old_autoneg = autoneg;
329 old_adv_cap = epp->ep_adv_cap_mask;
330
331 epp->ep_fcntl = fcntl;
332 epp->ep_fcntl_autoneg = autoneg;
333
334 /*
335 * If the PHY supports autonegotiation, then encode the flow control
336 * settings in the advertised capabilities, and restart AN. Otherwise,
337 * just push the new settings directly to the MAC.
338 */
339 if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
340 if (fcntl & EFX_FCNTL_RESPOND)
341 epp->ep_adv_cap_mask |= (1 << EFX_PHY_CAP_PAUSE |
342 1 << EFX_PHY_CAP_ASYM);
343 else
344 epp->ep_adv_cap_mask &= ~(1 << EFX_PHY_CAP_PAUSE |
345 1 << EFX_PHY_CAP_ASYM);
346
347 if (fcntl & EFX_FCNTL_GENERATE)
348 epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
349
350 if ((rc = epop->epo_reconfigure(enp)) != 0)
351 goto fail2;
352
353 } else {
354 if ((rc = emop->emo_reconfigure(enp)) != 0)
355 goto fail2;
356 }
357
358 return (0);
359
360fail2:
361 EFSYS_PROBE(fail2);
362
363 epp->ep_fcntl = old_fcntl;
364 epp->ep_fcntl_autoneg = old_autoneg;
365 epp->ep_adv_cap_mask = old_adv_cap;
366
367fail1:
368 EFSYS_PROBE1(fail1, int, rc);
369
370 return (rc);
371}
372
373 void
374efx_mac_fcntl_get(
375 __in efx_nic_t *enp,
376 __out unsigned int *fcntl_wantedp,
377 __out unsigned int *fcntl_linkp)
378{
379 efx_port_t *epp = &(enp->en_port);
380 unsigned int wanted;
381
382 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
383 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
384
385 /*
386 * If the PHY supports auto negotiation, then the requested flow
387 * control settings are encoded in the advertised capabilities.
388 */
389 if (epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN)) {
390 wanted = 0;
391
392 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
393 wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
394 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
395 wanted ^= EFX_FCNTL_GENERATE;
396 } else
397 wanted = epp->ep_fcntl;
398
399 *fcntl_linkp = epp->ep_fcntl;
400 *fcntl_wantedp = wanted;
401}
402
403 __checkReturn int
404efx_mac_hash_set(
405 __in efx_nic_t *enp,
406 __in_ecount(EFX_MAC_HASH_BITS) unsigned int const *bucket)
407{
408 efx_port_t *epp = &(enp->en_port);
409 efx_mac_ops_t *emop = epp->ep_emop;
410 efx_oword_t old_hash[2];
411 unsigned int index;
412 int rc;
413
414 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
415 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
416
417 memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
418
419 /* Set the lower 128 bits of the hash */
420 EFX_ZERO_OWORD(epp->ep_multicst_hash[0]);
421 for (index = 0; index < 128; index++) {
422 if (bucket[index] != 0)
423 EFX_SET_OWORD_BIT(epp->ep_multicst_hash[0], index);
424 }
425
426 /* Set the upper 128 bits of the hash */
427 EFX_ZERO_OWORD(epp->ep_multicst_hash[1]);
428 for (index = 0; index < 128; index++) {
429 if (bucket[index + 128] != 0)
430 EFX_SET_OWORD_BIT(epp->ep_multicst_hash[1], index);
431 }
432
433 if ((rc = emop->emo_reconfigure(enp)) != 0)
434 goto fail1;
435
436 return (0);
437
438fail1:
439 EFSYS_PROBE1(fail1, int, rc);
440
441 memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
442
443 return (rc);
444}
445
446#if EFSYS_OPT_MAC_STATS
447
448#if EFSYS_OPT_NAMES
449
450/* START MKCONFIG GENERATED EfxMacStatNamesBlock adf707adba80813e */
451static const char __cs * __cs __efx_mac_stat_name[] = {
452 "rx_octets",
453 "rx_pkts",
454 "rx_unicst_pkts",
455 "rx_multicst_pkts",
456 "rx_brdcst_pkts",
457 "rx_pause_pkts",
458 "rx_le_64_pkts",
459 "rx_65_to_127_pkts",
460 "rx_128_to_255_pkts",
461 "rx_256_to_511_pkts",
462 "rx_512_to_1023_pkts",
463 "rx_1024_to_15xx_pkts",
464 "rx_ge_15xx_pkts",
465 "rx_errors",
466 "rx_fcs_errors",
467 "rx_drop_events",
468 "rx_false_carrier_errors",
469 "rx_symbol_errors",
470 "rx_align_errors",
471 "rx_internal_errors",
472 "rx_jabber_pkts",
473 "rx_lane0_char_err",
474 "rx_lane1_char_err",
475 "rx_lane2_char_err",
476 "rx_lane3_char_err",
477 "rx_lane0_disp_err",
478 "rx_lane1_disp_err",
479 "rx_lane2_disp_err",
480 "rx_lane3_disp_err",
481 "rx_match_fault",
482 "rx_nodesc_drop_cnt",
483 "tx_octets",
484 "tx_pkts",
485 "tx_unicst_pkts",
486 "tx_multicst_pkts",
487 "tx_brdcst_pkts",
488 "tx_pause_pkts",
489 "tx_le_64_pkts",
490 "tx_65_to_127_pkts",
491 "tx_128_to_255_pkts",
492 "tx_256_to_511_pkts",
493 "tx_512_to_1023_pkts",
494 "tx_1024_to_15xx_pkts",
495 "tx_ge_15xx_pkts",
496 "tx_errors",
497 "tx_sgl_col_pkts",
498 "tx_mult_col_pkts",
499 "tx_ex_col_pkts",
500 "tx_late_col_pkts",
501 "tx_def_pkts",
502 "tx_ex_def_pkts",
503};
504/* END MKCONFIG GENERATED EfxMacStatNamesBlock */
505
506 __checkReturn const char __cs *
507efx_mac_stat_name(
508 __in efx_nic_t *enp,
509 __in unsigned int id)
510{
511 _NOTE(ARGUNUSED(enp))
512 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
513
514 EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
515 return (__efx_mac_stat_name[id]);
516}
517
518#endif /* EFSYS_OPT_STAT_NAME */
519
520 __checkReturn int
521efx_mac_stats_upload(
522 __in efx_nic_t *enp,
523 __in efsys_mem_t *esmp)
524{
525 efx_port_t *epp = &(enp->en_port);
526 efx_mac_ops_t *emop = epp->ep_emop;
527 int rc;
528
529 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
530 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
531 EFSYS_ASSERT(emop != NULL);
532
533 /*
534 * Don't assert !ep_mac_stats_pending, because the client might
535 * have failed to finalise statistics when previously stopping
536 * the port.
537 */
538 if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
539 goto fail1;
540
541 epp->ep_mac_stats_pending = B_TRUE;
542
543 return (0);
544
545fail1:
546 EFSYS_PROBE1(fail1, int, rc);
547
548 return (rc);
549}
550
551 __checkReturn int
552efx_mac_stats_periodic(
553 __in efx_nic_t *enp,
554 __in efsys_mem_t *esmp,
555 __in uint16_t period_ms,
556 __in boolean_t events)
557{
558 efx_port_t *epp = &(enp->en_port);
559 efx_mac_ops_t *emop = epp->ep_emop;
560 int rc;
561
562 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
563 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
564
565 EFSYS_ASSERT(emop != NULL);
566
567 if (emop->emo_stats_periodic == NULL) {
568 rc = EINVAL;
569 goto fail1;
570 }
571
572 if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
573 goto fail2;
574
575 return (0);
576
577fail2:
578 EFSYS_PROBE(fail2);
579fail1:
580 EFSYS_PROBE1(fail1, int, rc);
581
582 return (rc);
583}
584
585
586 __checkReturn int
587efx_mac_stats_update(
588 __in efx_nic_t *enp,
589 __in efsys_mem_t *esmp,
590 __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *essp,
591 __in uint32_t *generationp)
592{
593 efx_port_t *epp = &(enp->en_port);
594 efx_mac_ops_t *emop = epp->ep_emop;
595 int rc;
596
597 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
598 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
599 EFSYS_ASSERT(emop != NULL);
600
601 rc = emop->emo_stats_update(enp, esmp, essp, generationp);
602 if (rc == 0)
603 epp->ep_mac_stats_pending = B_FALSE;
604
605 return (rc);
606}
607
608#endif /* EFSYS_OPT_MAC_STATS */
609
610 __checkReturn int
611efx_mac_select(
612 __in efx_nic_t *enp)
613{
614 efx_port_t *epp = &(enp->en_port);
615 efx_mac_type_t type = EFX_MAC_INVALID;
616 efx_mac_ops_t *emop;
617 int rc = EINVAL;
618
619#if EFSYS_OPT_SIENA
620 if (enp->en_family == EFX_FAMILY_SIENA) {
621 type = EFX_MAC_SIENA;
622 goto chosen;
623 }
624#endif
625
626#if EFSYS_OPT_FALCON
627 switch (epp->ep_link_mode) {
628#if EFSYS_OPT_MAC_FALCON_GMAC
629 case EFX_LINK_100HDX:
630 case EFX_LINK_100FDX:
631 case EFX_LINK_1000HDX:
632 case EFX_LINK_1000FDX:
633 type = EFX_MAC_FALCON_GMAC;
634 goto chosen;
635#endif /* EFSYS_OPT_FALCON_GMAC */
636
637#if EFSYS_OPT_MAC_FALCON_XMAC
638 case EFX_LINK_10000FDX:
639 type = EFX_MAC_FALCON_XMAC;
640 goto chosen;
641#endif /* EFSYS_OPT_FALCON_XMAC */
642
643 default:
644#if EFSYS_OPT_MAC_FALCON_GMAC && EFSYS_OPT_MAC_FALCON_XMAC
645 /* Only initialise a MAC supported by the PHY */
646 if (epp->ep_phy_cap_mask &
647 ((1 << EFX_PHY_CAP_1000FDX) |
648 (1 << EFX_PHY_CAP_1000HDX) |
649 (1 << EFX_PHY_CAP_100FDX) |
650 (1 << EFX_PHY_CAP_100HDX) |
651 (1 << EFX_PHY_CAP_10FDX) |
652 (1 << EFX_PHY_CAP_10FDX)))
653 type = EFX_MAC_FALCON_GMAC;
654 else
655 type = EFX_MAC_FALCON_XMAC;
656#elif EFSYS_OPT_MAC_FALCON_GMAC
657 type = EFX_MAC_FALCON_GMAC;
658#else
659 type = EFX_MAC_FALCON_XMAC;
660#endif
661 goto chosen;
662 }
663#endif /* EFSYS_OPT_FALCON */
664
665chosen:
666 EFSYS_ASSERT(type != EFX_MAC_INVALID);
667 EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
668 emop = epp->ep_emop = (efx_mac_ops_t *)__efx_mac_ops[type];
669 EFSYS_ASSERT(emop != NULL);
670
671 epp->ep_mac_type = type;
672
673 if (emop->emo_reset != NULL) {
674 if ((rc = emop->emo_reset(enp)) != 0)
675 goto fail1;
676
677 EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
678 enp->en_reset_flags &= ~EFX_RESET_MAC;
679 }
680
681 return (0);
682
683fail1:
684 EFSYS_PROBE1(fail1, int, rc);
685
686 return (rc);
687}