xref: /freebsd/sys/dev/sfxge/common/efx_mac.c (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*-
2  * Copyright (c) 2007-2015 Solarflare Communications Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright notice,
11  *    this list of conditions and the following disclaimer in the documentation
12  *    and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * The views and conclusions contained in the software and documentation are
27  * those of the authors and should not be interpreted as representing official
28  * policies, either expressed or implied, of the FreeBSD Project.
29  */
30 
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33 
34 #include "efx.h"
35 #include "efx_impl.h"
36 
37 #if EFSYS_OPT_MAC_FALCON_GMAC
38 #include "falcon_gmac.h"
39 #endif
40 
41 #if EFSYS_OPT_MAC_FALCON_XMAC
42 #include "falcon_xmac.h"
43 #endif
44 
45 #if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA
46 
47 static	__checkReturn	efx_rc_t
48 falconsiena_mac_multicast_list_set(
49 	__in		efx_nic_t *enp);
50 
51 #endif /* EFSYS_OPT_FALCON || EFSYS_OPT_SIENA */
52 
53 #if EFSYS_OPT_MAC_FALCON_GMAC
54 static efx_mac_ops_t	__efx_falcon_gmac_ops = {
55 	falcon_gmac_reset,			/* emo_reset */
56 	falcon_mac_poll,			/* emo_poll */
57 	falcon_mac_up,				/* emo_up */
58 	falcon_gmac_reconfigure,		/* emo_addr_set */
59 	falcon_gmac_reconfigure,		/* emo_pdu_set */
60 	falcon_gmac_reconfigure,		/* emo_reconfigure */
61 	falconsiena_mac_multicast_list_set,	/* emo_multicast_list_set */
62 	NULL,					/* emo_filter_set_default_rxq */
63 	NULL,				/* emo_filter_default_rxq_clear */
64 #if EFSYS_OPT_LOOPBACK
65 	falcon_mac_loopback_set,		/* emo_loopback_set */
66 #endif	/* EFSYS_OPT_LOOPBACK */
67 #if EFSYS_OPT_MAC_STATS
68 	falcon_mac_stats_upload,		/* emo_stats_upload */
69 	NULL,					/* emo_stats_periodic */
70 	falcon_gmac_stats_update		/* emo_stats_update */
71 #endif	/* EFSYS_OPT_MAC_STATS */
72 };
73 #endif	/* EFSYS_OPT_MAC_FALCON_GMAC */
74 
75 #if EFSYS_OPT_MAC_FALCON_XMAC
76 static efx_mac_ops_t	__efx_falcon_xmac_ops = {
77 	falcon_xmac_reset,			/* emo_reset */
78 	falcon_mac_poll,			/* emo_poll */
79 	falcon_mac_up,				/* emo_up */
80 	falcon_xmac_reconfigure,		/* emo_addr_set */
81 	falcon_xmac_reconfigure,		/* emo_pdu_set */
82 	falcon_xmac_reconfigure,		/* emo_reconfigure */
83 	falconsiena_mac_multicast_list_set,	/* emo_multicast_list_set */
84 	NULL,					/* emo_filter_set_default_rxq */
85 	NULL,				/* emo_filter_default_rxq_clear */
86 #if EFSYS_OPT_LOOPBACK
87 	falcon_mac_loopback_set,		/* emo_loopback_set */
88 #endif	/* EFSYS_OPT_LOOPBACK */
89 #if EFSYS_OPT_MAC_STATS
90 	falcon_mac_stats_upload,		/* emo_stats_upload */
91 	NULL,					/* emo_stats_periodic */
92 	falcon_xmac_stats_update		/* emo_stats_update */
93 #endif	/* EFSYS_OPT_MAC_STATS */
94 };
95 #endif	/* EFSYS_OPT_MAC_FALCON_XMAC */
96 
97 #if EFSYS_OPT_SIENA
98 static efx_mac_ops_t	__efx_siena_mac_ops = {
99 	NULL,					/* emo_reset */
100 	siena_mac_poll,				/* emo_poll */
101 	siena_mac_up,				/* emo_up */
102 	siena_mac_reconfigure,			/* emo_addr_set */
103 	siena_mac_reconfigure,			/* emo_pdu_set */
104 	siena_mac_reconfigure,			/* emo_reconfigure */
105 	falconsiena_mac_multicast_list_set,	/* emo_multicast_list_set */
106 	NULL,					/* emo_filter_set_default_rxq */
107 	NULL,				/* emo_filter_default_rxq_clear */
108 #if EFSYS_OPT_LOOPBACK
109 	siena_mac_loopback_set,			/* emo_loopback_set */
110 #endif	/* EFSYS_OPT_LOOPBACK */
111 #if EFSYS_OPT_MAC_STATS
112 	efx_mcdi_mac_stats_upload,		/* emo_stats_upload */
113 	efx_mcdi_mac_stats_periodic,		/* emo_stats_periodic */
114 	siena_mac_stats_update			/* emo_stats_update */
115 #endif	/* EFSYS_OPT_MAC_STATS */
116 };
117 #endif	/* EFSYS_OPT_SIENA */
118 
119 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
120 static efx_mac_ops_t	__efx_ef10_mac_ops = {
121 	NULL,					/* emo_reset */
122 	ef10_mac_poll,				/* emo_poll */
123 	ef10_mac_up,				/* emo_up */
124 	ef10_mac_addr_set,			/* emo_addr_set */
125 	ef10_mac_pdu_set,			/* emo_pdu_set */
126 	ef10_mac_reconfigure,			/* emo_reconfigure */
127 	ef10_mac_multicast_list_set,		/* emo_multicast_list_set */
128 	ef10_mac_filter_default_rxq_set,	/* emo_filter_default_rxq_set */
129 	ef10_mac_filter_default_rxq_clear,
130 					/* emo_filter_default_rxq_clear */
131 #if EFSYS_OPT_LOOPBACK
132 	ef10_mac_loopback_set,			/* emo_loopback_set */
133 #endif	/* EFSYS_OPT_LOOPBACK */
134 #if EFSYS_OPT_MAC_STATS
135 	efx_mcdi_mac_stats_upload,		/* emo_stats_upload */
136 	efx_mcdi_mac_stats_periodic,		/* emo_stats_periodic */
137 	ef10_mac_stats_update			/* emo_stats_update */
138 #endif	/* EFSYS_OPT_MAC_STATS */
139 };
140 #endif	/* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */
141 
142 static efx_mac_ops_t	*__efx_mac_ops[] = {
143 	/* [EFX_MAC_INVALID] */
144 	NULL,
145 	/* [EFX_MAC_FALCON_GMAC] */
146 #if EFSYS_OPT_MAC_FALCON_GMAC
147 	&__efx_falcon_gmac_ops,
148 #else
149 	NULL,
150 #endif
151 	/* [EFX_MAC_FALCON_XMAC] */
152 #if EFSYS_OPT_MAC_FALCON_XMAC
153 	&__efx_falcon_xmac_ops,
154 #else
155 	NULL,
156 #endif
157 	/* [EFX_MAC_SIENA] */
158 #if EFSYS_OPT_SIENA
159 	&__efx_siena_mac_ops,
160 #else
161 	NULL,
162 #endif
163 	/* [EFX_MAC_HUNTINGTON] */
164 #if EFSYS_OPT_HUNTINGTON
165 	&__efx_ef10_mac_ops,
166 #else
167 	NULL,
168 #endif
169 	/* [EFX_MAC_MEDFORD] */
170 #if EFSYS_OPT_MEDFORD
171 	&__efx_ef10_mac_ops,
172 #else
173 	NULL,
174 #endif
175 };
176 
177 	__checkReturn			efx_rc_t
178 efx_mac_pdu_set(
179 	__in				efx_nic_t *enp,
180 	__in				size_t pdu)
181 {
182 	efx_port_t *epp = &(enp->en_port);
183 	efx_mac_ops_t *emop = epp->ep_emop;
184 	uint32_t old_pdu;
185 	efx_rc_t rc;
186 
187 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
188 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
189 	EFSYS_ASSERT(emop != NULL);
190 
191 	if (pdu < EFX_MAC_PDU_MIN) {
192 		rc = EINVAL;
193 		goto fail1;
194 	}
195 
196 	if (pdu > EFX_MAC_PDU_MAX) {
197 		rc = EINVAL;
198 		goto fail2;
199 	}
200 
201 	old_pdu = epp->ep_mac_pdu;
202 	epp->ep_mac_pdu = (uint32_t)pdu;
203 	if ((rc = emop->emo_pdu_set(enp)) != 0)
204 		goto fail3;
205 
206 	return (0);
207 
208 fail3:
209 	EFSYS_PROBE(fail3);
210 
211 	epp->ep_mac_pdu = old_pdu;
212 
213 fail2:
214 	EFSYS_PROBE(fail2);
215 fail1:
216 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
217 
218 	return (rc);
219 }
220 
221 	__checkReturn			efx_rc_t
222 efx_mac_addr_set(
223 	__in				efx_nic_t *enp,
224 	__in				uint8_t *addr)
225 {
226 	efx_port_t *epp = &(enp->en_port);
227 	efx_mac_ops_t *emop = epp->ep_emop;
228 	uint8_t old_addr[6];
229 	uint32_t oui;
230 	efx_rc_t rc;
231 
232 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
233 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
234 
235 	if (EFX_MAC_ADDR_IS_MULTICAST(addr)) {
236 		rc = EINVAL;
237 		goto fail1;
238 	}
239 
240 	oui = addr[0] << 16 | addr[1] << 8 | addr[2];
241 	if (oui == 0x000000) {
242 		rc = EINVAL;
243 		goto fail2;
244 	}
245 
246 	EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
247 	EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
248 	if ((rc = emop->emo_addr_set(enp)) != 0)
249 		goto fail3;
250 
251 	return (0);
252 
253 fail3:
254 	EFSYS_PROBE(fail3);
255 
256 	EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
257 
258 fail2:
259 	EFSYS_PROBE(fail2);
260 fail1:
261 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
262 
263 	return (rc);
264 }
265 
266 	__checkReturn			efx_rc_t
267 efx_mac_filter_set(
268 	__in				efx_nic_t *enp,
269 	__in				boolean_t all_unicst,
270 	__in				boolean_t mulcst,
271 	__in				boolean_t all_mulcst,
272 	__in				boolean_t brdcst)
273 {
274 	efx_port_t *epp = &(enp->en_port);
275 	efx_mac_ops_t *emop = epp->ep_emop;
276 	boolean_t old_all_unicst;
277 	boolean_t old_mulcst;
278 	boolean_t old_all_mulcst;
279 	boolean_t old_brdcst;
280 	efx_rc_t rc;
281 
282 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
283 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
284 
285 	old_all_unicst = epp->ep_all_unicst;
286 	old_mulcst = epp->ep_mulcst;
287 	old_all_mulcst = epp->ep_all_mulcst;
288 	old_brdcst = epp->ep_brdcst;
289 
290 	epp->ep_all_unicst = all_unicst;
291 	epp->ep_mulcst = mulcst;
292 	epp->ep_all_mulcst = all_mulcst;
293 	epp->ep_brdcst = brdcst;
294 
295 	if ((rc = emop->emo_reconfigure(enp)) != 0)
296 		goto fail1;
297 
298 	return (0);
299 
300 fail1:
301 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
302 
303 	epp->ep_all_unicst = old_all_unicst;
304 	epp->ep_mulcst = old_mulcst;
305 	epp->ep_all_mulcst = old_all_mulcst;
306 	epp->ep_brdcst = old_brdcst;
307 
308 	return (rc);
309 }
310 
311 	__checkReturn			efx_rc_t
312 efx_mac_drain(
313 	__in				efx_nic_t *enp,
314 	__in				boolean_t enabled)
315 {
316 	efx_port_t *epp = &(enp->en_port);
317 	efx_mac_ops_t *emop = epp->ep_emop;
318 	efx_rc_t rc;
319 
320 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
321 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
322 	EFSYS_ASSERT(emop != NULL);
323 
324 	if (epp->ep_mac_drain == enabled)
325 		return (0);
326 
327 	epp->ep_mac_drain = enabled;
328 
329 	if (enabled && emop->emo_reset != NULL) {
330 		if ((rc = emop->emo_reset(enp)) != 0)
331 			goto fail1;
332 
333 		EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
334 		enp->en_reset_flags &= ~EFX_RESET_PHY;
335 	}
336 
337 	if ((rc = emop->emo_reconfigure(enp)) != 0)
338 		goto fail2;
339 
340 	return (0);
341 
342 fail2:
343 	EFSYS_PROBE(fail2);
344 fail1:
345 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
346 
347 	return (rc);
348 }
349 
350 	__checkReturn	efx_rc_t
351 efx_mac_up(
352 	__in		efx_nic_t *enp,
353 	__out		boolean_t *mac_upp)
354 {
355 	efx_port_t *epp = &(enp->en_port);
356 	efx_mac_ops_t *emop = epp->ep_emop;
357 	efx_rc_t rc;
358 
359 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
360 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
361 
362 	if ((rc = emop->emo_up(enp, mac_upp)) != 0)
363 		goto fail1;
364 
365 	return (0);
366 
367 fail1:
368 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
369 
370 	return (rc);
371 }
372 
373 	__checkReturn			efx_rc_t
374 efx_mac_fcntl_set(
375 	__in				efx_nic_t *enp,
376 	__in				unsigned int fcntl,
377 	__in				boolean_t autoneg)
378 {
379 	efx_port_t *epp = &(enp->en_port);
380 	efx_mac_ops_t *emop = epp->ep_emop;
381 	efx_phy_ops_t *epop = epp->ep_epop;
382 	unsigned int old_fcntl;
383 	boolean_t old_autoneg;
384 	unsigned int old_adv_cap;
385 	efx_rc_t rc;
386 
387 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
388 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
389 
390 	if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
391 		rc = EINVAL;
392 		goto fail1;
393 	}
394 
395 	/*
396 	 * Ignore a request to set flow control auto-negotiation
397 	 * if the PHY doesn't support it.
398 	 */
399 	if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
400 		autoneg = B_FALSE;
401 
402 	old_fcntl = epp->ep_fcntl;
403 	old_autoneg = epp->ep_fcntl_autoneg;
404 	old_adv_cap = epp->ep_adv_cap_mask;
405 
406 	epp->ep_fcntl = fcntl;
407 	epp->ep_fcntl_autoneg = autoneg;
408 
409 	/*
410 	 * Always encode the flow control settings in the advertised
411 	 * capabilities even if we are not trying to auto-negotiate
412 	 * them and reconfigure both the PHY and the MAC.
413 	 */
414 	if (fcntl & EFX_FCNTL_RESPOND)
415 		epp->ep_adv_cap_mask |=    (1 << EFX_PHY_CAP_PAUSE |
416 					    1 << EFX_PHY_CAP_ASYM);
417 	else
418 		epp->ep_adv_cap_mask &=   ~(1 << EFX_PHY_CAP_PAUSE |
419 					    1 << EFX_PHY_CAP_ASYM);
420 
421 	if (fcntl & EFX_FCNTL_GENERATE)
422 		epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
423 
424 	if ((rc = epop->epo_reconfigure(enp)) != 0)
425 		goto fail2;
426 
427 	if ((rc = emop->emo_reconfigure(enp)) != 0)
428 		goto fail3;
429 
430 	return (0);
431 
432 fail3:
433 	EFSYS_PROBE(fail3);
434 
435 fail2:
436 	EFSYS_PROBE(fail2);
437 
438 	epp->ep_fcntl = old_fcntl;
439 	epp->ep_fcntl_autoneg = old_autoneg;
440 	epp->ep_adv_cap_mask = old_adv_cap;
441 
442 fail1:
443 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
444 
445 	return (rc);
446 }
447 
448 			void
449 efx_mac_fcntl_get(
450 	__in		efx_nic_t *enp,
451 	__out		unsigned int *fcntl_wantedp,
452 	__out		unsigned int *fcntl_linkp)
453 {
454 	efx_port_t *epp = &(enp->en_port);
455 	unsigned int wanted = 0;
456 
457 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
458 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
459 
460 	/*
461 	 * Decode the requested flow control settings from the PHY
462 	 * advertised capabilities.
463 	 */
464 	if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
465 		wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
466 	if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
467 		wanted ^= EFX_FCNTL_GENERATE;
468 
469 	*fcntl_linkp = epp->ep_fcntl;
470 	*fcntl_wantedp = wanted;
471 }
472 
473 	__checkReturn	efx_rc_t
474 efx_mac_multicast_list_set(
475 	__in				efx_nic_t *enp,
476 	__in_ecount(6*count)		uint8_t const *addrs,
477 	__in				int count)
478 {
479 	efx_port_t *epp = &(enp->en_port);
480 	efx_mac_ops_t *emop = epp->ep_emop;
481 	uint8_t	*old_mulcst_addr_list = NULL;
482 	uint32_t old_mulcst_addr_count;
483 	efx_rc_t rc;
484 
485 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
486 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
487 
488 	if (count > EFX_MAC_MULTICAST_LIST_MAX) {
489 		rc = EINVAL;
490 		goto fail1;
491 	}
492 
493 	old_mulcst_addr_count = epp->ep_mulcst_addr_count;
494 	if (old_mulcst_addr_count > 0) {
495 		/* Allocate memory to store old list (instead of using stack) */
496 		EFSYS_KMEM_ALLOC(enp->en_esip,
497 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
498 				old_mulcst_addr_list);
499 		if (old_mulcst_addr_list == NULL) {
500 			rc = ENOMEM;
501 			goto fail2;
502 		}
503 
504 		/* Save the old list in case we need to rollback */
505 		memcpy(old_mulcst_addr_list, epp->ep_mulcst_addr_list,
506 			old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
507 	}
508 
509 	/* Store the new list */
510 	memcpy(epp->ep_mulcst_addr_list, addrs,
511 		count * EFX_MAC_ADDR_LEN);
512 	epp->ep_mulcst_addr_count = count;
513 
514 	if ((rc = emop->emo_multicast_list_set(enp)) != 0)
515 		goto fail3;
516 
517 	if (old_mulcst_addr_count > 0) {
518 		EFSYS_KMEM_FREE(enp->en_esip,
519 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
520 				old_mulcst_addr_list);
521 	}
522 
523 	return (0);
524 
525 fail3:
526 	EFSYS_PROBE(fail3);
527 
528 	/* Restore original list on failure */
529 	epp->ep_mulcst_addr_count = old_mulcst_addr_count;
530 	if (old_mulcst_addr_count > 0) {
531 		memcpy(epp->ep_mulcst_addr_list, old_mulcst_addr_list,
532 			old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
533 
534 		EFSYS_KMEM_FREE(enp->en_esip,
535 				old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
536 				old_mulcst_addr_list);
537 	}
538 
539 fail2:
540 	EFSYS_PROBE(fail2);
541 
542 fail1:
543 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
544 
545 	return (rc);
546 
547 }
548 
549 	__checkReturn	efx_rc_t
550 efx_mac_filter_default_rxq_set(
551 	__in		efx_nic_t *enp,
552 	__in		efx_rxq_t *erp,
553 	__in		boolean_t using_rss)
554 {
555 	efx_port_t *epp = &(enp->en_port);
556 	efx_mac_ops_t *emop = epp->ep_emop;
557 	efx_rc_t rc;
558 
559 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
560 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
561 
562 	if (emop->emo_filter_default_rxq_set != NULL) {
563 		rc = emop->emo_filter_default_rxq_set(enp, erp, using_rss);
564 		if (rc != 0)
565 			goto fail1;
566 	}
567 
568 	return (0);
569 
570 fail1:
571 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
572 
573 	return (rc);
574 }
575 
576 			void
577 efx_mac_filter_default_rxq_clear(
578 	__in		efx_nic_t *enp)
579 {
580 	efx_port_t *epp = &(enp->en_port);
581 	efx_mac_ops_t *emop = epp->ep_emop;
582 
583 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
584 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
585 
586 	if (emop->emo_filter_default_rxq_clear != NULL)
587 		emop->emo_filter_default_rxq_clear(enp);
588 }
589 
590 
591 #if EFSYS_OPT_MAC_STATS
592 
593 #if EFSYS_OPT_NAMES
594 
595 /* START MKCONFIG GENERATED EfxMacStatNamesBlock 054d43a31d2d7a45 */
596 static const char 	*__efx_mac_stat_name[] = {
597 	"rx_octets",
598 	"rx_pkts",
599 	"rx_unicst_pkts",
600 	"rx_multicst_pkts",
601 	"rx_brdcst_pkts",
602 	"rx_pause_pkts",
603 	"rx_le_64_pkts",
604 	"rx_65_to_127_pkts",
605 	"rx_128_to_255_pkts",
606 	"rx_256_to_511_pkts",
607 	"rx_512_to_1023_pkts",
608 	"rx_1024_to_15xx_pkts",
609 	"rx_ge_15xx_pkts",
610 	"rx_errors",
611 	"rx_fcs_errors",
612 	"rx_drop_events",
613 	"rx_false_carrier_errors",
614 	"rx_symbol_errors",
615 	"rx_align_errors",
616 	"rx_internal_errors",
617 	"rx_jabber_pkts",
618 	"rx_lane0_char_err",
619 	"rx_lane1_char_err",
620 	"rx_lane2_char_err",
621 	"rx_lane3_char_err",
622 	"rx_lane0_disp_err",
623 	"rx_lane1_disp_err",
624 	"rx_lane2_disp_err",
625 	"rx_lane3_disp_err",
626 	"rx_match_fault",
627 	"rx_nodesc_drop_cnt",
628 	"tx_octets",
629 	"tx_pkts",
630 	"tx_unicst_pkts",
631 	"tx_multicst_pkts",
632 	"tx_brdcst_pkts",
633 	"tx_pause_pkts",
634 	"tx_le_64_pkts",
635 	"tx_65_to_127_pkts",
636 	"tx_128_to_255_pkts",
637 	"tx_256_to_511_pkts",
638 	"tx_512_to_1023_pkts",
639 	"tx_1024_to_15xx_pkts",
640 	"tx_ge_15xx_pkts",
641 	"tx_errors",
642 	"tx_sgl_col_pkts",
643 	"tx_mult_col_pkts",
644 	"tx_ex_col_pkts",
645 	"tx_late_col_pkts",
646 	"tx_def_pkts",
647 	"tx_ex_def_pkts",
648 	"pm_trunc_bb_overflow",
649 	"pm_discard_bb_overflow",
650 	"pm_trunc_vfifo_full",
651 	"pm_discard_vfifo_full",
652 	"pm_trunc_qbb",
653 	"pm_discard_qbb",
654 	"pm_discard_mapping",
655 	"rxdp_q_disabled_pkts",
656 	"rxdp_di_dropped_pkts",
657 	"rxdp_streaming_pkts",
658 	"rxdp_hlb_fetch",
659 	"rxdp_hlb_wait",
660 	"vadapter_rx_unicast_packets",
661 	"vadapter_rx_unicast_bytes",
662 	"vadapter_rx_multicast_packets",
663 	"vadapter_rx_multicast_bytes",
664 	"vadapter_rx_broadcast_packets",
665 	"vadapter_rx_broadcast_bytes",
666 	"vadapter_rx_bad_packets",
667 	"vadapter_rx_bad_bytes",
668 	"vadapter_rx_overflow",
669 	"vadapter_tx_unicast_packets",
670 	"vadapter_tx_unicast_bytes",
671 	"vadapter_tx_multicast_packets",
672 	"vadapter_tx_multicast_bytes",
673 	"vadapter_tx_broadcast_packets",
674 	"vadapter_tx_broadcast_bytes",
675 	"vadapter_tx_bad_packets",
676 	"vadapter_tx_bad_bytes",
677 	"vadapter_tx_overflow",
678 };
679 /* END MKCONFIG GENERATED EfxMacStatNamesBlock */
680 
681 	__checkReturn			const char *
682 efx_mac_stat_name(
683 	__in				efx_nic_t *enp,
684 	__in				unsigned int id)
685 {
686 	_NOTE(ARGUNUSED(enp))
687 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
688 
689 	EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
690 	return (__efx_mac_stat_name[id]);
691 }
692 
693 #endif	/* EFSYS_OPT_NAMES */
694 
695 	__checkReturn			efx_rc_t
696 efx_mac_stats_upload(
697 	__in				efx_nic_t *enp,
698 	__in				efsys_mem_t *esmp)
699 {
700 	efx_port_t *epp = &(enp->en_port);
701 	efx_mac_ops_t *emop = epp->ep_emop;
702 	efx_rc_t rc;
703 
704 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
705 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
706 	EFSYS_ASSERT(emop != NULL);
707 
708 	/*
709 	 * Don't assert !ep_mac_stats_pending, because the client might
710 	 * have failed to finalise statistics when previously stopping
711 	 * the port.
712 	 */
713 	if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
714 		goto fail1;
715 
716 	epp->ep_mac_stats_pending = B_TRUE;
717 
718 	return (0);
719 
720 fail1:
721 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
722 
723 	return (rc);
724 }
725 
726 	__checkReturn			efx_rc_t
727 efx_mac_stats_periodic(
728 	__in				efx_nic_t *enp,
729 	__in				efsys_mem_t *esmp,
730 	__in				uint16_t period_ms,
731 	__in				boolean_t events)
732 {
733 	efx_port_t *epp = &(enp->en_port);
734 	efx_mac_ops_t *emop = epp->ep_emop;
735 	efx_rc_t rc;
736 
737 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
738 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
739 
740 	EFSYS_ASSERT(emop != NULL);
741 
742 	if (emop->emo_stats_periodic == NULL) {
743 		rc = EINVAL;
744 		goto fail1;
745 	}
746 
747 	if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
748 		goto fail2;
749 
750 	return (0);
751 
752 fail2:
753 	EFSYS_PROBE(fail2);
754 fail1:
755 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
756 
757 	return (rc);
758 }
759 
760 
761 	__checkReturn			efx_rc_t
762 efx_mac_stats_update(
763 	__in				efx_nic_t *enp,
764 	__in				efsys_mem_t *esmp,
765 	__inout_ecount(EFX_MAC_NSTATS)	efsys_stat_t *essp,
766 	__inout_opt			uint32_t *generationp)
767 {
768 	efx_port_t *epp = &(enp->en_port);
769 	efx_mac_ops_t *emop = epp->ep_emop;
770 	efx_rc_t rc;
771 
772 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
773 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
774 	EFSYS_ASSERT(emop != NULL);
775 
776 	rc = emop->emo_stats_update(enp, esmp, essp, generationp);
777 	if (rc == 0)
778 		epp->ep_mac_stats_pending = B_FALSE;
779 
780 	return (rc);
781 }
782 
783 #endif	/* EFSYS_OPT_MAC_STATS */
784 
785 	__checkReturn			efx_rc_t
786 efx_mac_select(
787 	__in				efx_nic_t *enp)
788 {
789 	efx_port_t *epp = &(enp->en_port);
790 	efx_mac_type_t type = EFX_MAC_INVALID;
791 	efx_mac_ops_t *emop;
792 	int rc = EINVAL;
793 
794 #if EFSYS_OPT_SIENA
795 	if (enp->en_family == EFX_FAMILY_SIENA) {
796 		type = EFX_MAC_SIENA;
797 		goto chosen;
798 	}
799 #endif
800 
801 #if EFSYS_OPT_HUNTINGTON
802 	if (enp->en_family == EFX_FAMILY_HUNTINGTON) {
803 		type = EFX_MAC_HUNTINGTON;
804 		goto chosen;
805 	}
806 #endif
807 
808 #if EFSYS_OPT_MEDFORD
809 	if (enp->en_family == EFX_FAMILY_MEDFORD) {
810 		type = EFX_MAC_MEDFORD;
811 		goto chosen;
812 	}
813 #endif
814 
815 #if EFSYS_OPT_FALCON
816 	switch (epp->ep_link_mode) {
817 #if EFSYS_OPT_MAC_FALCON_GMAC
818 	case EFX_LINK_100HDX:
819 	case EFX_LINK_100FDX:
820 	case EFX_LINK_1000HDX:
821 	case EFX_LINK_1000FDX:
822 		type = EFX_MAC_FALCON_GMAC;
823 		goto chosen;
824 #endif	/* EFSYS_OPT_FALCON_GMAC */
825 
826 #if EFSYS_OPT_MAC_FALCON_XMAC
827 	case EFX_LINK_10000FDX:
828 		type = EFX_MAC_FALCON_XMAC;
829 		goto chosen;
830 #endif	/* EFSYS_OPT_FALCON_XMAC */
831 
832 	default:
833 #if EFSYS_OPT_MAC_FALCON_GMAC && EFSYS_OPT_MAC_FALCON_XMAC
834 		/* Only initialise a MAC supported by the PHY */
835 		if (epp->ep_phy_cap_mask &
836 		    ((1 << EFX_PHY_CAP_1000FDX) |
837 		    (1 << EFX_PHY_CAP_1000HDX) |
838 		    (1 << EFX_PHY_CAP_100FDX) |
839 		    (1 << EFX_PHY_CAP_100HDX) |
840 		    (1 << EFX_PHY_CAP_10FDX) |
841 		    (1 << EFX_PHY_CAP_10FDX)))
842 			type = EFX_MAC_FALCON_GMAC;
843 		else
844 			type = EFX_MAC_FALCON_XMAC;
845 #elif EFSYS_OPT_MAC_FALCON_GMAC
846 		type = EFX_MAC_FALCON_GMAC;
847 #else
848 		type = EFX_MAC_FALCON_XMAC;
849 #endif
850 		goto chosen;
851 	}
852 #endif	/* EFSYS_OPT_FALCON */
853 
854 chosen:
855 	EFSYS_ASSERT(type != EFX_MAC_INVALID);
856 	EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
857 	emop = epp->ep_emop = (efx_mac_ops_t *)__efx_mac_ops[type];
858 	EFSYS_ASSERT(emop != NULL);
859 
860 	epp->ep_mac_type = type;
861 
862 	if (emop->emo_reset != NULL) {
863 		if ((rc = emop->emo_reset(enp)) != 0)
864 			goto fail1;
865 
866 		EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
867 		enp->en_reset_flags &= ~EFX_RESET_MAC;
868 	}
869 
870 	return (0);
871 
872 fail1:
873 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
874 
875 	return (rc);
876 }
877 
878 
879 #if EFSYS_OPT_FALCON || EFSYS_OPT_SIENA
880 
881 #define	EFX_MAC_HASH_BITS	(1 << 8)
882 
883 /* Compute the multicast hash as used on Falcon and Siena. */
884 static	void
885 falconsiena_mac_multicast_hash_compute(
886 	__in_ecount(6*count)		uint8_t const *addrs,
887 	__in				int count,
888 	__out				efx_oword_t *hash_low,
889 	__out				efx_oword_t *hash_high)
890 {
891 	uint32_t crc, index;
892 	int i;
893 
894 	EFSYS_ASSERT(hash_low != NULL);
895 	EFSYS_ASSERT(hash_high != NULL);
896 
897 	EFX_ZERO_OWORD(*hash_low);
898 	EFX_ZERO_OWORD(*hash_high);
899 
900 	for (i = 0; i < count; i++) {
901 		/* Calculate hash bucket (IEEE 802.3 CRC32 of the MAC addr) */
902 		crc = efx_crc32_calculate(0xffffffff, addrs, EFX_MAC_ADDR_LEN);
903 		index = crc % EFX_MAC_HASH_BITS;
904 		if (index < 128) {
905 			EFX_SET_OWORD_BIT(*hash_low, index);
906 		} else {
907 			EFX_SET_OWORD_BIT(*hash_high, index - 128);
908 		}
909 
910 		addrs += EFX_MAC_ADDR_LEN;
911 	}
912 }
913 
914 static	__checkReturn	efx_rc_t
915 falconsiena_mac_multicast_list_set(
916 	__in		efx_nic_t *enp)
917 {
918 	efx_port_t *epp = &(enp->en_port);
919 	efx_mac_ops_t *emop = epp->ep_emop;
920 	efx_oword_t old_hash[2];
921 	efx_rc_t rc;
922 
923 	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
924 	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
925 
926 	memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
927 
928 	falconsiena_mac_multicast_hash_compute(epp->ep_mulcst_addr_list,
929 				epp->ep_mulcst_addr_count,
930 				&epp->ep_multicst_hash[0],
931 				&epp->ep_multicst_hash[1]);
932 
933 	if ((rc = emop->emo_reconfigure(enp)) != 0)
934 		goto fail1;
935 
936 	return (0);
937 
938 fail1:
939 	EFSYS_PROBE1(fail1, efx_rc_t, rc);
940 
941 	memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
942 
943 	return (rc);
944 }
945 
946 #endif /* EFSYS_OPT_FALCON || EFSYS_OPT_SIENA */
947