1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2007-2018 Solarflare Communications Inc.
12 static __checkReturn efx_rc_t
13 siena_mac_multicast_list_set(
16 #endif /* EFSYS_OPT_SIENA */
19 static const efx_mac_ops_t __efx_mac_siena_ops = {
20 siena_mac_poll, /* emo_poll */
21 siena_mac_up, /* emo_up */
22 siena_mac_reconfigure, /* emo_addr_set */
23 siena_mac_reconfigure, /* emo_pdu_set */
24 siena_mac_pdu_get, /* emo_pdu_get */
25 siena_mac_reconfigure, /* emo_reconfigure */
26 siena_mac_multicast_list_set, /* emo_multicast_list_set */
27 NULL, /* emo_filter_set_default_rxq */
28 NULL, /* emo_filter_default_rxq_clear */
29 #if EFSYS_OPT_LOOPBACK
30 siena_mac_loopback_set, /* emo_loopback_set */
31 #endif /* EFSYS_OPT_LOOPBACK */
32 #if EFSYS_OPT_MAC_STATS
33 siena_mac_stats_get_mask, /* emo_stats_get_mask */
34 efx_mcdi_mac_stats_clear, /* emo_stats_clear */
35 efx_mcdi_mac_stats_upload, /* emo_stats_upload */
36 efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */
37 siena_mac_stats_update /* emo_stats_update */
38 #endif /* EFSYS_OPT_MAC_STATS */
40 #endif /* EFSYS_OPT_SIENA */
43 static const efx_mac_ops_t __efx_mac_ef10_ops = {
44 ef10_mac_poll, /* emo_poll */
45 ef10_mac_up, /* emo_up */
46 ef10_mac_addr_set, /* emo_addr_set */
47 ef10_mac_pdu_set, /* emo_pdu_set */
48 ef10_mac_pdu_get, /* emo_pdu_get */
49 ef10_mac_reconfigure, /* emo_reconfigure */
50 ef10_mac_multicast_list_set, /* emo_multicast_list_set */
51 ef10_mac_filter_default_rxq_set, /* emo_filter_default_rxq_set */
52 ef10_mac_filter_default_rxq_clear,
53 /* emo_filter_default_rxq_clear */
54 #if EFSYS_OPT_LOOPBACK
55 ef10_mac_loopback_set, /* emo_loopback_set */
56 #endif /* EFSYS_OPT_LOOPBACK */
57 #if EFSYS_OPT_MAC_STATS
58 ef10_mac_stats_get_mask, /* emo_stats_get_mask */
59 efx_mcdi_mac_stats_clear, /* emo_stats_clear */
60 efx_mcdi_mac_stats_upload, /* emo_stats_upload */
61 efx_mcdi_mac_stats_periodic, /* emo_stats_periodic */
62 ef10_mac_stats_update /* emo_stats_update */
63 #endif /* EFSYS_OPT_MAC_STATS */
65 #endif /* EFX_OPTS_EF10() */
67 __checkReturn efx_rc_t
72 efx_port_t *epp = &(enp->en_port);
73 const efx_mac_ops_t *emop = epp->ep_emop;
77 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
78 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
79 EFSYS_ASSERT(emop != NULL);
81 if (pdu < EFX_MAC_PDU_MIN) {
86 if (pdu > EFX_MAC_PDU_MAX) {
91 old_pdu = epp->ep_mac_pdu;
92 epp->ep_mac_pdu = (uint32_t)pdu;
93 if ((rc = emop->emo_pdu_set(enp)) != 0)
101 epp->ep_mac_pdu = old_pdu;
106 EFSYS_PROBE1(fail1, efx_rc_t, rc);
111 __checkReturn efx_rc_t
116 efx_port_t *epp = &(enp->en_port);
117 const efx_mac_ops_t *emop = epp->ep_emop;
120 if ((rc = emop->emo_pdu_get(enp, pdu)) != 0)
126 EFSYS_PROBE1(fail1, efx_rc_t, rc);
131 __checkReturn efx_rc_t
136 efx_port_t *epp = &(enp->en_port);
137 const efx_mac_ops_t *emop = epp->ep_emop;
142 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
143 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
145 if (EFX_MAC_ADDR_IS_MULTICAST(addr)) {
150 oui = addr[0] << 16 | addr[1] << 8 | addr[2];
151 if (oui == 0x000000) {
156 EFX_MAC_ADDR_COPY(old_addr, epp->ep_mac_addr);
157 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, addr);
158 if ((rc = emop->emo_addr_set(enp)) != 0)
166 EFX_MAC_ADDR_COPY(epp->ep_mac_addr, old_addr);
171 EFSYS_PROBE1(fail1, efx_rc_t, rc);
176 __checkReturn efx_rc_t
179 __in boolean_t all_unicst,
180 __in boolean_t mulcst,
181 __in boolean_t all_mulcst,
182 __in boolean_t brdcst)
184 efx_port_t *epp = &(enp->en_port);
185 const efx_mac_ops_t *emop = epp->ep_emop;
186 boolean_t old_all_unicst;
187 boolean_t old_mulcst;
188 boolean_t old_all_mulcst;
189 boolean_t old_brdcst;
192 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
193 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
195 old_all_unicst = epp->ep_all_unicst;
196 old_mulcst = epp->ep_mulcst;
197 old_all_mulcst = epp->ep_all_mulcst;
198 old_brdcst = epp->ep_brdcst;
200 epp->ep_all_unicst = all_unicst;
201 epp->ep_mulcst = mulcst;
202 epp->ep_all_mulcst = all_mulcst;
203 epp->ep_brdcst = brdcst;
205 if ((rc = emop->emo_reconfigure(enp)) != 0)
211 EFSYS_PROBE1(fail1, efx_rc_t, rc);
213 epp->ep_all_unicst = old_all_unicst;
214 epp->ep_mulcst = old_mulcst;
215 epp->ep_all_mulcst = old_all_mulcst;
216 epp->ep_brdcst = old_brdcst;
221 __checkReturn efx_rc_t
224 __in boolean_t enabled)
226 efx_port_t *epp = &(enp->en_port);
227 const efx_mac_ops_t *emop = epp->ep_emop;
230 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
231 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
232 EFSYS_ASSERT(emop != NULL);
234 if (epp->ep_mac_drain == enabled)
237 epp->ep_mac_drain = enabled;
239 if ((rc = emop->emo_reconfigure(enp)) != 0)
245 EFSYS_PROBE1(fail1, efx_rc_t, rc);
250 __checkReturn efx_rc_t
253 __out boolean_t *mac_upp)
255 efx_port_t *epp = &(enp->en_port);
256 const efx_mac_ops_t *emop = epp->ep_emop;
259 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
260 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
262 if ((rc = emop->emo_up(enp, mac_upp)) != 0)
268 EFSYS_PROBE1(fail1, efx_rc_t, rc);
273 __checkReturn efx_rc_t
276 __in unsigned int fcntl,
277 __in boolean_t autoneg)
279 efx_port_t *epp = &(enp->en_port);
280 const efx_mac_ops_t *emop = epp->ep_emop;
281 const efx_phy_ops_t *epop = epp->ep_epop;
282 unsigned int old_fcntl;
283 boolean_t old_autoneg;
284 unsigned int old_adv_cap;
287 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
288 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
290 if ((fcntl & ~(EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE)) != 0) {
296 * Ignore a request to set flow control auto-negotiation
297 * if the PHY doesn't support it.
299 if (~epp->ep_phy_cap_mask & (1 << EFX_PHY_CAP_AN))
302 old_fcntl = epp->ep_fcntl;
303 old_autoneg = epp->ep_fcntl_autoneg;
304 old_adv_cap = epp->ep_adv_cap_mask;
306 epp->ep_fcntl = fcntl;
307 epp->ep_fcntl_autoneg = autoneg;
310 * Always encode the flow control settings in the advertised
311 * capabilities even if we are not trying to auto-negotiate
312 * them and reconfigure both the PHY and the MAC.
314 if (fcntl & EFX_FCNTL_RESPOND)
315 epp->ep_adv_cap_mask |= (1 << EFX_PHY_CAP_PAUSE |
316 1 << EFX_PHY_CAP_ASYM);
318 epp->ep_adv_cap_mask &= ~(1 << EFX_PHY_CAP_PAUSE |
319 1 << EFX_PHY_CAP_ASYM);
321 if (fcntl & EFX_FCNTL_GENERATE)
322 epp->ep_adv_cap_mask ^= (1 << EFX_PHY_CAP_ASYM);
324 if ((rc = epop->epo_reconfigure(enp)) != 0)
327 if ((rc = emop->emo_reconfigure(enp)) != 0)
338 epp->ep_fcntl = old_fcntl;
339 epp->ep_fcntl_autoneg = old_autoneg;
340 epp->ep_adv_cap_mask = old_adv_cap;
343 EFSYS_PROBE1(fail1, efx_rc_t, rc);
351 __out unsigned int *fcntl_wantedp,
352 __out unsigned int *fcntl_linkp)
354 efx_port_t *epp = &(enp->en_port);
355 unsigned int wanted = 0;
357 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
358 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
361 * Decode the requested flow control settings from the PHY
362 * advertised capabilities.
364 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_PAUSE))
365 wanted = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
366 if (epp->ep_adv_cap_mask & (1 << EFX_PHY_CAP_ASYM))
367 wanted ^= EFX_FCNTL_GENERATE;
369 *fcntl_linkp = epp->ep_fcntl;
370 *fcntl_wantedp = wanted;
373 __checkReturn efx_rc_t
374 efx_mac_multicast_list_set(
376 __in_ecount(6*count) uint8_t const *addrs,
379 efx_port_t *epp = &(enp->en_port);
380 const efx_mac_ops_t *emop = epp->ep_emop;
381 uint8_t *old_mulcst_addr_list = NULL;
382 uint32_t old_mulcst_addr_count;
385 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
386 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
388 if (count > EFX_MAC_MULTICAST_LIST_MAX) {
393 old_mulcst_addr_count = epp->ep_mulcst_addr_count;
394 if (old_mulcst_addr_count > 0) {
395 /* Allocate memory to store old list (instead of using stack) */
396 EFSYS_KMEM_ALLOC(enp->en_esip,
397 old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
398 old_mulcst_addr_list);
399 if (old_mulcst_addr_list == NULL) {
404 /* Save the old list in case we need to rollback */
405 memcpy(old_mulcst_addr_list, epp->ep_mulcst_addr_list,
406 old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
409 /* Store the new list */
410 memcpy(epp->ep_mulcst_addr_list, addrs,
411 count * EFX_MAC_ADDR_LEN);
412 epp->ep_mulcst_addr_count = count;
414 if ((rc = emop->emo_multicast_list_set(enp)) != 0)
417 if (old_mulcst_addr_count > 0) {
418 EFSYS_KMEM_FREE(enp->en_esip,
419 old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
420 old_mulcst_addr_list);
428 /* Restore original list on failure */
429 epp->ep_mulcst_addr_count = old_mulcst_addr_count;
430 if (old_mulcst_addr_count > 0) {
431 memcpy(epp->ep_mulcst_addr_list, old_mulcst_addr_list,
432 old_mulcst_addr_count * EFX_MAC_ADDR_LEN);
434 EFSYS_KMEM_FREE(enp->en_esip,
435 old_mulcst_addr_count * EFX_MAC_ADDR_LEN,
436 old_mulcst_addr_list);
443 EFSYS_PROBE1(fail1, efx_rc_t, rc);
449 __checkReturn efx_rc_t
450 efx_mac_filter_default_rxq_set(
453 __in boolean_t using_rss)
455 efx_port_t *epp = &(enp->en_port);
456 const efx_mac_ops_t *emop = epp->ep_emop;
459 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
460 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
462 if (emop->emo_filter_default_rxq_set != NULL) {
463 rc = emop->emo_filter_default_rxq_set(enp, erp, using_rss);
471 EFSYS_PROBE1(fail1, efx_rc_t, rc);
477 efx_mac_filter_default_rxq_clear(
480 efx_port_t *epp = &(enp->en_port);
481 const efx_mac_ops_t *emop = epp->ep_emop;
483 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
484 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
486 if (emop->emo_filter_default_rxq_clear != NULL)
487 emop->emo_filter_default_rxq_clear(enp);
491 #if EFSYS_OPT_MAC_STATS
495 /* START MKCONFIG GENERATED EfxMacStatNamesBlock 1a45a82fcfb30c1b */
496 static const char * const __efx_mac_stat_name[] = {
505 "rx_128_to_255_pkts",
506 "rx_256_to_511_pkts",
507 "rx_512_to_1023_pkts",
508 "rx_1024_to_15xx_pkts",
513 "rx_false_carrier_errors",
516 "rx_internal_errors",
527 "rx_nodesc_drop_cnt",
536 "tx_128_to_255_pkts",
537 "tx_256_to_511_pkts",
538 "tx_512_to_1023_pkts",
539 "tx_1024_to_15xx_pkts",
548 "pm_trunc_bb_overflow",
549 "pm_discard_bb_overflow",
550 "pm_trunc_vfifo_full",
551 "pm_discard_vfifo_full",
554 "pm_discard_mapping",
555 "rxdp_q_disabled_pkts",
556 "rxdp_di_dropped_pkts",
557 "rxdp_streaming_pkts",
560 "vadapter_rx_unicast_packets",
561 "vadapter_rx_unicast_bytes",
562 "vadapter_rx_multicast_packets",
563 "vadapter_rx_multicast_bytes",
564 "vadapter_rx_broadcast_packets",
565 "vadapter_rx_broadcast_bytes",
566 "vadapter_rx_bad_packets",
567 "vadapter_rx_bad_bytes",
568 "vadapter_rx_overflow",
569 "vadapter_tx_unicast_packets",
570 "vadapter_tx_unicast_bytes",
571 "vadapter_tx_multicast_packets",
572 "vadapter_tx_multicast_bytes",
573 "vadapter_tx_broadcast_packets",
574 "vadapter_tx_broadcast_bytes",
575 "vadapter_tx_bad_packets",
576 "vadapter_tx_bad_bytes",
577 "vadapter_tx_overflow",
578 "fec_uncorrected_errors",
579 "fec_corrected_errors",
580 "fec_corrected_symbols_lane0",
581 "fec_corrected_symbols_lane1",
582 "fec_corrected_symbols_lane2",
583 "fec_corrected_symbols_lane3",
584 "ctpio_vi_busy_fallback",
585 "ctpio_long_write_success",
586 "ctpio_missing_dbell_fail",
587 "ctpio_overflow_fail",
588 "ctpio_underflow_fail",
589 "ctpio_timeout_fail",
590 "ctpio_noncontig_wr_fail",
591 "ctpio_frm_clobber_fail",
592 "ctpio_invalid_wr_fail",
593 "ctpio_vi_clobber_fallback",
594 "ctpio_unqualified_fallback",
595 "ctpio_runt_fallback",
600 "rxdp_scatter_disabled_trunc",
604 /* END MKCONFIG GENERATED EfxMacStatNamesBlock */
606 __checkReturn const char *
609 __in unsigned int id)
611 _NOTE(ARGUNUSED(enp))
612 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
614 EFSYS_ASSERT3U(id, <, EFX_MAC_NSTATS);
615 return (__efx_mac_stat_name[id]);
618 #endif /* EFSYS_OPT_NAMES */
621 efx_mac_stats_mask_add_range(
622 __inout_bcount(mask_size) uint32_t *maskp,
623 __in size_t mask_size,
624 __in const struct efx_mac_stats_range *rngp)
626 unsigned int mask_npages = mask_size / sizeof (*maskp);
635 if ((mask_npages * EFX_MAC_STATS_MASK_BITS_PER_PAGE) <=
636 (unsigned int)rngp->last) {
641 EFSYS_ASSERT3U(rngp->first, <=, rngp->last);
642 EFSYS_ASSERT3U(rngp->last, <, EFX_MAC_NSTATS);
644 for (el = 0; el < mask_npages; ++el) {
645 el_min = el * EFX_MAC_STATS_MASK_BITS_PER_PAGE;
647 el_min + (EFX_MAC_STATS_MASK_BITS_PER_PAGE - 1);
648 if ((unsigned int)rngp->first > el_max ||
649 (unsigned int)rngp->last < el_min)
651 low = MAX((unsigned int)rngp->first, el_min);
652 high = MIN((unsigned int)rngp->last, el_max);
653 width = high - low + 1;
655 (width == EFX_MAC_STATS_MASK_BITS_PER_PAGE) ?
656 (~0ULL) : (((1ULL << width) - 1) << (low - el_min));
662 EFSYS_PROBE1(fail1, efx_rc_t, rc);
668 efx_mac_stats_mask_add_ranges(
669 __inout_bcount(mask_size) uint32_t *maskp,
670 __in size_t mask_size,
671 __in_ecount(rng_count) const struct efx_mac_stats_range *rngp,
672 __in unsigned int rng_count)
677 for (i = 0; i < rng_count; ++i) {
678 if ((rc = efx_mac_stats_mask_add_range(maskp, mask_size,
686 EFSYS_PROBE1(fail1, efx_rc_t, rc);
691 __checkReturn efx_rc_t
692 efx_mac_stats_get_mask(
694 __out_bcount(mask_size) uint32_t *maskp,
695 __in size_t mask_size)
697 efx_port_t *epp = &(enp->en_port);
698 const efx_mac_ops_t *emop = epp->ep_emop;
701 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
702 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PROBE);
703 EFSYS_ASSERT(maskp != NULL);
704 EFSYS_ASSERT(mask_size % sizeof (maskp[0]) == 0);
706 (void) memset(maskp, 0, mask_size);
708 if ((rc = emop->emo_stats_get_mask(enp, maskp, mask_size)) != 0)
714 EFSYS_PROBE1(fail1, efx_rc_t, rc);
719 __checkReturn efx_rc_t
723 efx_port_t *epp = &(enp->en_port);
724 const efx_mac_ops_t *emop = epp->ep_emop;
727 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
728 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
729 EFSYS_ASSERT(emop != NULL);
731 if ((rc = emop->emo_stats_clear(enp)) != 0)
737 EFSYS_PROBE1(fail1, efx_rc_t, rc);
742 __checkReturn efx_rc_t
743 efx_mac_stats_upload(
745 __in efsys_mem_t *esmp)
747 efx_port_t *epp = &(enp->en_port);
748 const efx_mac_ops_t *emop = epp->ep_emop;
751 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
752 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
753 EFSYS_ASSERT(emop != NULL);
755 if ((rc = emop->emo_stats_upload(enp, esmp)) != 0)
761 EFSYS_PROBE1(fail1, efx_rc_t, rc);
766 __checkReturn efx_rc_t
767 efx_mac_stats_periodic(
769 __in efsys_mem_t *esmp,
770 __in uint16_t period_ms,
771 __in boolean_t events)
773 efx_port_t *epp = &(enp->en_port);
774 const efx_mac_ops_t *emop = epp->ep_emop;
777 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
778 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
780 EFSYS_ASSERT(emop != NULL);
782 if (emop->emo_stats_periodic == NULL) {
787 if ((rc = emop->emo_stats_periodic(enp, esmp, period_ms, events)) != 0)
795 EFSYS_PROBE1(fail1, efx_rc_t, rc);
801 __checkReturn efx_rc_t
802 efx_mac_stats_update(
804 __in efsys_mem_t *esmp,
805 __inout_ecount(EFX_MAC_NSTATS) efsys_stat_t *essp,
806 __inout_opt uint32_t *generationp)
808 efx_port_t *epp = &(enp->en_port);
809 const efx_mac_ops_t *emop = epp->ep_emop;
812 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
813 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
814 EFSYS_ASSERT(emop != NULL);
816 rc = emop->emo_stats_update(enp, esmp, essp, generationp);
821 #endif /* EFSYS_OPT_MAC_STATS */
823 __checkReturn efx_rc_t
827 efx_port_t *epp = &(enp->en_port);
828 efx_mac_type_t type = EFX_MAC_INVALID;
829 const efx_mac_ops_t *emop;
832 switch (enp->en_family) {
834 case EFX_FAMILY_SIENA:
835 emop = &__efx_mac_siena_ops;
836 type = EFX_MAC_SIENA;
838 #endif /* EFSYS_OPT_SIENA */
840 #if EFSYS_OPT_HUNTINGTON
841 case EFX_FAMILY_HUNTINGTON:
842 emop = &__efx_mac_ef10_ops;
843 type = EFX_MAC_HUNTINGTON;
845 #endif /* EFSYS_OPT_HUNTINGTON */
847 #if EFSYS_OPT_MEDFORD
848 case EFX_FAMILY_MEDFORD:
849 emop = &__efx_mac_ef10_ops;
850 type = EFX_MAC_MEDFORD;
852 #endif /* EFSYS_OPT_MEDFORD */
854 #if EFSYS_OPT_MEDFORD2
855 case EFX_FAMILY_MEDFORD2:
856 emop = &__efx_mac_ef10_ops;
857 type = EFX_MAC_MEDFORD2;
859 #endif /* EFSYS_OPT_MEDFORD2 */
866 EFSYS_ASSERT(type != EFX_MAC_INVALID);
867 EFSYS_ASSERT3U(type, <, EFX_MAC_NTYPES);
868 EFSYS_ASSERT(emop != NULL);
871 epp->ep_mac_type = type;
876 EFSYS_PROBE1(fail1, efx_rc_t, rc);
884 #define EFX_MAC_HASH_BITS (1 << 8)
886 /* Compute the multicast hash as used on Falcon and Siena. */
888 siena_mac_multicast_hash_compute(
889 __in_ecount(6*count) uint8_t const *addrs,
891 __out efx_oword_t *hash_low,
892 __out efx_oword_t *hash_high)
897 EFSYS_ASSERT(hash_low != NULL);
898 EFSYS_ASSERT(hash_high != NULL);
900 EFX_ZERO_OWORD(*hash_low);
901 EFX_ZERO_OWORD(*hash_high);
903 for (i = 0; i < count; i++) {
904 /* Calculate hash bucket (IEEE 802.3 CRC32 of the MAC addr) */
905 crc = efx_crc32_calculate(0xffffffff, addrs, EFX_MAC_ADDR_LEN);
906 index = crc % EFX_MAC_HASH_BITS;
908 EFX_SET_OWORD_BIT(*hash_low, index);
910 EFX_SET_OWORD_BIT(*hash_high, index - 128);
913 addrs += EFX_MAC_ADDR_LEN;
917 static __checkReturn efx_rc_t
918 siena_mac_multicast_list_set(
921 efx_port_t *epp = &(enp->en_port);
922 const efx_mac_ops_t *emop = epp->ep_emop;
923 efx_oword_t old_hash[2];
926 EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
927 EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_PORT);
929 memcpy(old_hash, epp->ep_multicst_hash, sizeof (old_hash));
931 siena_mac_multicast_hash_compute(
932 epp->ep_mulcst_addr_list,
933 epp->ep_mulcst_addr_count,
934 &epp->ep_multicst_hash[0],
935 &epp->ep_multicst_hash[1]);
937 if ((rc = emop->emo_reconfigure(enp)) != 0)
943 EFSYS_PROBE1(fail1, efx_rc_t, rc);
945 memcpy(epp->ep_multicst_hash, old_hash, sizeof (old_hash));
950 #endif /* EFSYS_OPT_SIENA */