efx_mac.c revision 299320
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: head/sys/dev/sfxge/common/efx_mac.c 299320 2016-05-10 07:01:06Z arybchik $");
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_SIENA
46
47static	__checkReturn	efx_rc_t
48falconsiena_mac_multicast_list_set(
49	__in		efx_nic_t *enp);
50
51#endif /* EFSYS_OPT_SIENA */
52
53#if EFSYS_OPT_MAC_FALCON_GMAC
54static 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
76static 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
98static 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
120static 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
142static 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
178efx_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
208fail3:
209	EFSYS_PROBE(fail3);
210
211	epp->ep_mac_pdu = old_pdu;
212
213fail2:
214	EFSYS_PROBE(fail2);
215fail1:
216	EFSYS_PROBE1(fail1, efx_rc_t, rc);
217
218	return (rc);
219}
220
221	__checkReturn			efx_rc_t
222efx_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
253fail3:
254	EFSYS_PROBE(fail3);
255
256	EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
257
258fail2:
259	EFSYS_PROBE(fail2);
260fail1:
261	EFSYS_PROBE1(fail1, efx_rc_t, rc);
262
263	return (rc);
264}
265
266	__checkReturn			efx_rc_t
267efx_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
300fail1:
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
312efx_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
342fail2:
343	EFSYS_PROBE(fail2);
344fail1:
345	EFSYS_PROBE1(fail1, efx_rc_t, rc);
346
347	return (rc);
348}
349
350	__checkReturn	efx_rc_t
351efx_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
367fail1:
368	EFSYS_PROBE1(fail1, efx_rc_t, rc);
369
370	return (rc);
371}
372
373	__checkReturn			efx_rc_t
374efx_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
432fail3:
433	EFSYS_PROBE(fail3);
434
435fail2:
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
442fail1:
443	EFSYS_PROBE1(fail1, efx_rc_t, rc);
444
445	return (rc);
446}
447
448			void
449efx_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
474efx_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
525fail3:
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
539fail2:
540	EFSYS_PROBE(fail2);
541
542fail1:
543	EFSYS_PROBE1(fail1, efx_rc_t, rc);
544
545	return (rc);
546
547}
548
549	__checkReturn	efx_rc_t
550efx_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
570fail1:
571	EFSYS_PROBE1(fail1, efx_rc_t, rc);
572
573	return (rc);
574}
575
576			void
577efx_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 */
596static 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 *
682efx_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
696efx_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
720fail1:
721	EFSYS_PROBE1(fail1, efx_rc_t, rc);
722
723	return (rc);
724}
725
726	__checkReturn			efx_rc_t
727efx_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
752fail2:
753	EFSYS_PROBE(fail2);
754fail1:
755	EFSYS_PROBE1(fail1, efx_rc_t, rc);
756
757	return (rc);
758}
759
760
761	__checkReturn			efx_rc_t
762efx_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
786efx_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
815chosen:
816	EFSYS_ASSERT(type != EFX_MAC_INVALID);
817	EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
818	emop = epp->ep_emop = (efx_mac_ops_t *)__efx_mac_ops[type];
819	EFSYS_ASSERT(emop != NULL);
820
821	epp->ep_mac_type = type;
822
823	if (emop->emo_reset != NULL) {
824		if ((rc = emop->emo_reset(enp)) != 0)
825			goto fail1;
826
827		EFSYS_ASSERT(enp->en_reset_flags & EFX_RESET_MAC);
828		enp->en_reset_flags &= ~EFX_RESET_MAC;
829	}
830
831	return (0);
832
833fail1:
834	EFSYS_PROBE1(fail1, efx_rc_t, rc);
835
836	return (rc);
837}
838
839
840#if EFSYS_OPT_SIENA
841
842#define	EFX_MAC_HASH_BITS	(1 << 8)
843
844/* Compute the multicast hash as used on Falcon and Siena. */
845static	void
846falconsiena_mac_multicast_hash_compute(
847	__in_ecount(6*count)		uint8_t const *addrs,
848	__in				int count,
849	__out				efx_oword_t *hash_low,
850	__out				efx_oword_t *hash_high)
851{
852	uint32_t crc, index;
853	int i;
854
855	EFSYS_ASSERT(hash_low != NULL);
856	EFSYS_ASSERT(hash_high != NULL);
857
858	EFX_ZERO_OWORD(*hash_low);
859	EFX_ZERO_OWORD(*hash_high);
860
861	for (i = 0; i < count; i++) {
862		/* Calculate hash bucket (IEEE 802.3 CRC32 of the MAC addr) */
863		crc = efx_crc32_calculate(0xffffffff, addrs, EFX_MAC_ADDR_LEN);
864		index = crc % EFX_MAC_HASH_BITS;
865		if (index < 128) {
866			EFX_SET_OWORD_BIT(*hash_low, index);
867		} else {
868			EFX_SET_OWORD_BIT(*hash_high, index - 128);
869		}
870
871		addrs += EFX_MAC_ADDR_LEN;
872	}
873}
874
875static	__checkReturn	efx_rc_t
876falconsiena_mac_multicast_list_set(
877	__in		efx_nic_t *enp)
878{
879	efx_port_t *epp = &(enp->en_port);
880	efx_mac_ops_t *emop = epp->ep_emop;
881	efx_oword_t old_hash[2];
882	efx_rc_t rc;
883
884	EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
885	EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
886
887	memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
888
889	falconsiena_mac_multicast_hash_compute(epp->ep_mulcst_addr_list,
890				epp->ep_mulcst_addr_count,
891				&epp->ep_multicst_hash[0],
892				&epp->ep_multicst_hash[1]);
893
894	if ((rc = emop->emo_reconfigure(enp)) != 0)
895		goto fail1;
896
897	return (0);
898
899fail1:
900	EFSYS_PROBE1(fail1, efx_rc_t, rc);
901
902	memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
903
904	return (rc);
905}
906
907#endif /* EFSYS_OPT_SIENA */
908