2 * Copyright (c) 2012-2016 Solarflare Communications Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
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.
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
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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,
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23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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35 #if EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD
38 static __checkReturn efx_rc_t
42 __in uint32_t target_evq,
44 __in uint32_t instance,
45 __in efsys_mem_t *esmp,
46 __in boolean_t disable_scatter,
47 __in uint32_t ps_bufsize)
49 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
51 uint8_t payload[MAX(MC_CMD_INIT_RXQ_EXT_IN_LEN,
52 MC_CMD_INIT_RXQ_EXT_OUT_LEN)];
53 int npages = EFX_RXQ_NBUFS(ndescs);
55 efx_qword_t *dma_addr;
59 boolean_t want_outer_classes;
61 EFSYS_ASSERT3U(ndescs, <=, EFX_RXQ_MAXNDESCS);
64 dma_mode = MC_CMD_INIT_RXQ_EXT_IN_PACKED_STREAM;
66 dma_mode = MC_CMD_INIT_RXQ_EXT_IN_SINGLE_PACKET;
68 if (encp->enc_tunnel_encapsulations_supported != 0) {
70 * WANT_OUTER_CLASSES can only be specified on hardware which
71 * supports tunnel encapsulation offloads, even though it is
72 * effectively the behaviour the hardware gives.
74 * Also, on hardware which does support such offloads, older
75 * firmware rejects the flag if the offloads are not supported
76 * by the current firmware variant, which means this may fail if
77 * the capabilities are not updated when the firmware variant
78 * changes. This is not an issue on newer firmware, as it was
79 * changed in bug 69842 (v6.4.2.1007) to permit this flag to be
80 * specified on all firmware variants.
82 want_outer_classes = B_TRUE;
84 want_outer_classes = B_FALSE;
87 (void) memset(payload, 0, sizeof (payload));
88 req.emr_cmd = MC_CMD_INIT_RXQ;
89 req.emr_in_buf = payload;
90 req.emr_in_length = MC_CMD_INIT_RXQ_EXT_IN_LEN;
91 req.emr_out_buf = payload;
92 req.emr_out_length = MC_CMD_INIT_RXQ_EXT_OUT_LEN;
94 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_SIZE, ndescs);
95 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_TARGET_EVQ, target_evq);
96 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_LABEL, label);
97 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_INSTANCE, instance);
98 MCDI_IN_POPULATE_DWORD_9(req, INIT_RXQ_EXT_IN_FLAGS,
99 INIT_RXQ_EXT_IN_FLAG_BUFF_MODE, 0,
100 INIT_RXQ_EXT_IN_FLAG_HDR_SPLIT, 0,
101 INIT_RXQ_EXT_IN_FLAG_TIMESTAMP, 0,
102 INIT_RXQ_EXT_IN_CRC_MODE, 0,
103 INIT_RXQ_EXT_IN_FLAG_PREFIX, 1,
104 INIT_RXQ_EXT_IN_FLAG_DISABLE_SCATTER, disable_scatter,
105 INIT_RXQ_EXT_IN_DMA_MODE,
107 INIT_RXQ_EXT_IN_PACKED_STREAM_BUFF_SIZE, ps_bufsize,
108 INIT_RXQ_EXT_IN_FLAG_WANT_OUTER_CLASSES, want_outer_classes);
109 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_OWNER_ID, 0);
110 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_PORT_ID, EVB_PORT_ID_ASSIGNED);
112 dma_addr = MCDI_IN2(req, efx_qword_t, INIT_RXQ_IN_DMA_ADDR);
113 addr = EFSYS_MEM_ADDR(esmp);
115 for (i = 0; i < npages; i++) {
116 EFX_POPULATE_QWORD_2(*dma_addr,
117 EFX_DWORD_1, (uint32_t)(addr >> 32),
118 EFX_DWORD_0, (uint32_t)(addr & 0xffffffff));
121 addr += EFX_BUF_SIZE;
124 efx_mcdi_execute(enp, &req);
126 if (req.emr_rc != 0) {
134 EFSYS_PROBE1(fail1, efx_rc_t, rc);
139 static __checkReturn efx_rc_t
142 __in uint32_t instance)
145 uint8_t payload[MAX(MC_CMD_FINI_RXQ_IN_LEN,
146 MC_CMD_FINI_RXQ_OUT_LEN)];
149 (void) memset(payload, 0, sizeof (payload));
150 req.emr_cmd = MC_CMD_FINI_RXQ;
151 req.emr_in_buf = payload;
152 req.emr_in_length = MC_CMD_FINI_RXQ_IN_LEN;
153 req.emr_out_buf = payload;
154 req.emr_out_length = MC_CMD_FINI_RXQ_OUT_LEN;
156 MCDI_IN_SET_DWORD(req, FINI_RXQ_IN_INSTANCE, instance);
158 efx_mcdi_execute_quiet(enp, &req);
160 if (req.emr_rc != 0) {
169 * EALREADY is not an error, but indicates that the MC has rebooted and
170 * that the RXQ has already been destroyed.
173 EFSYS_PROBE1(fail1, efx_rc_t, rc);
178 #if EFSYS_OPT_RX_SCALE
179 static __checkReturn efx_rc_t
180 efx_mcdi_rss_context_alloc(
182 __in efx_rx_scale_context_type_t type,
183 __in uint32_t num_queues,
184 __out uint32_t *rss_contextp)
187 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN,
188 MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN)];
189 uint32_t rss_context;
190 uint32_t context_type;
193 if (num_queues > EFX_MAXRSS) {
199 case EFX_RX_SCALE_EXCLUSIVE:
200 context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE;
202 case EFX_RX_SCALE_SHARED:
203 context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_SHARED;
210 (void) memset(payload, 0, sizeof (payload));
211 req.emr_cmd = MC_CMD_RSS_CONTEXT_ALLOC;
212 req.emr_in_buf = payload;
213 req.emr_in_length = MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN;
214 req.emr_out_buf = payload;
215 req.emr_out_length = MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN;
217 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
218 EVB_PORT_ID_ASSIGNED);
219 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE, context_type);
222 * For exclusive contexts, NUM_QUEUES is only used to validate
223 * indirection table offsets.
224 * For shared contexts, the provided context will spread traffic over
225 * NUM_QUEUES many queues.
227 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
229 efx_mcdi_execute(enp, &req);
231 if (req.emr_rc != 0) {
236 if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
241 rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
242 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
247 *rss_contextp = rss_context;
260 EFSYS_PROBE1(fail1, efx_rc_t, rc);
264 #endif /* EFSYS_OPT_RX_SCALE */
266 #if EFSYS_OPT_RX_SCALE
268 efx_mcdi_rss_context_free(
270 __in uint32_t rss_context)
273 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
274 MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
277 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
282 (void) memset(payload, 0, sizeof (payload));
283 req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
284 req.emr_in_buf = payload;
285 req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
286 req.emr_out_buf = payload;
287 req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
289 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
291 efx_mcdi_execute_quiet(enp, &req);
293 if (req.emr_rc != 0) {
303 EFSYS_PROBE1(fail1, efx_rc_t, rc);
307 #endif /* EFSYS_OPT_RX_SCALE */
309 #if EFSYS_OPT_RX_SCALE
311 efx_mcdi_rss_context_set_flags(
313 __in uint32_t rss_context,
314 __in efx_rx_hash_type_t type)
317 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
318 MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
321 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
326 (void) memset(payload, 0, sizeof (payload));
327 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
328 req.emr_in_buf = payload;
329 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
330 req.emr_out_buf = payload;
331 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
333 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
336 MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
337 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
338 (type & EFX_RX_HASH_IPV4) ? 1 : 0,
339 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
340 (type & EFX_RX_HASH_TCPIPV4) ? 1 : 0,
341 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
342 (type & EFX_RX_HASH_IPV6) ? 1 : 0,
343 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
344 (type & EFX_RX_HASH_TCPIPV6) ? 1 : 0);
346 efx_mcdi_execute(enp, &req);
348 if (req.emr_rc != 0) {
358 EFSYS_PROBE1(fail1, efx_rc_t, rc);
362 #endif /* EFSYS_OPT_RX_SCALE */
364 #if EFSYS_OPT_RX_SCALE
366 efx_mcdi_rss_context_set_key(
368 __in uint32_t rss_context,
369 __in_ecount(n) uint8_t *key,
373 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
374 MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
377 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
382 (void) memset(payload, 0, sizeof (payload));
383 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
384 req.emr_in_buf = payload;
385 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
386 req.emr_out_buf = payload;
387 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
389 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
392 EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
393 if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
398 memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
401 efx_mcdi_execute(enp, &req);
403 if (req.emr_rc != 0) {
415 EFSYS_PROBE1(fail1, efx_rc_t, rc);
419 #endif /* EFSYS_OPT_RX_SCALE */
421 #if EFSYS_OPT_RX_SCALE
423 efx_mcdi_rss_context_set_table(
425 __in uint32_t rss_context,
426 __in_ecount(n) unsigned int *table,
430 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
431 MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
435 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
440 (void) memset(payload, 0, sizeof (payload));
441 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_TABLE;
442 req.emr_in_buf = payload;
443 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN;
444 req.emr_out_buf = payload;
445 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN;
447 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID,
451 MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE);
454 i < MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN;
456 req_table[i] = (n > 0) ? (uint8_t)table[i % n] : 0;
459 efx_mcdi_execute(enp, &req);
461 if (req.emr_rc != 0) {
471 EFSYS_PROBE1(fail1, efx_rc_t, rc);
475 #endif /* EFSYS_OPT_RX_SCALE */
478 __checkReturn efx_rc_t
482 #if EFSYS_OPT_RX_SCALE
484 if (efx_mcdi_rss_context_alloc(enp, EFX_RX_SCALE_EXCLUSIVE, EFX_MAXRSS,
485 &enp->en_rss_context) == 0) {
487 * Allocated an exclusive RSS context, which allows both the
488 * indirection table and key to be modified.
490 enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE;
491 enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
494 * Failed to allocate an exclusive RSS context. Continue
495 * operation without support for RSS. The pseudo-header in
496 * received packets will not contain a Toeplitz hash value.
498 enp->en_rss_context_type = EFX_RX_SCALE_UNAVAILABLE;
499 enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
502 #endif /* EFSYS_OPT_RX_SCALE */
507 #if EFSYS_OPT_RX_SCATTER
508 __checkReturn efx_rc_t
509 ef10_rx_scatter_enable(
511 __in unsigned int buf_size)
513 _NOTE(ARGUNUSED(enp, buf_size))
516 #endif /* EFSYS_OPT_RX_SCATTER */
518 #if EFSYS_OPT_RX_SCALE
519 __checkReturn efx_rc_t
520 ef10_rx_scale_context_alloc(
522 __in efx_rx_scale_context_type_t type,
523 __in uint32_t num_queues,
524 __out uint32_t *rss_contextp)
528 rc = efx_mcdi_rss_context_alloc(enp, type, num_queues, rss_contextp);
535 EFSYS_PROBE1(fail1, efx_rc_t, rc);
538 #endif /* EFSYS_OPT_RX_SCALE */
540 #if EFSYS_OPT_RX_SCALE
541 __checkReturn efx_rc_t
542 ef10_rx_scale_context_free(
544 __in uint32_t rss_context)
548 rc = efx_mcdi_rss_context_free(enp, rss_context);
555 EFSYS_PROBE1(fail1, efx_rc_t, rc);
558 #endif /* EFSYS_OPT_RX_SCALE */
560 #if EFSYS_OPT_RX_SCALE
561 __checkReturn efx_rc_t
562 ef10_rx_scale_mode_set(
564 __in uint32_t rss_context,
565 __in efx_rx_hash_alg_t alg,
566 __in efx_rx_hash_type_t type,
567 __in boolean_t insert)
571 EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
572 EFSYS_ASSERT3U(insert, ==, B_TRUE);
574 if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
579 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
580 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
584 rss_context = enp->en_rss_context;
587 if ((rc = efx_mcdi_rss_context_set_flags(enp,
588 rss_context, type)) != 0)
598 EFSYS_PROBE1(fail1, efx_rc_t, rc);
602 #endif /* EFSYS_OPT_RX_SCALE */
604 #if EFSYS_OPT_RX_SCALE
605 __checkReturn efx_rc_t
606 ef10_rx_scale_key_set(
608 __in uint32_t rss_context,
609 __in_ecount(n) uint8_t *key,
614 EFX_STATIC_ASSERT(EFX_RSS_KEY_SIZE ==
615 MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
617 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
618 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
622 rss_context = enp->en_rss_context;
625 if ((rc = efx_mcdi_rss_context_set_key(enp, rss_context, key, n)) != 0)
633 EFSYS_PROBE1(fail1, efx_rc_t, rc);
637 #endif /* EFSYS_OPT_RX_SCALE */
639 #if EFSYS_OPT_RX_SCALE
640 __checkReturn efx_rc_t
641 ef10_rx_scale_tbl_set(
643 __in uint32_t rss_context,
644 __in_ecount(n) unsigned int *table,
650 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
651 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
655 rss_context = enp->en_rss_context;
658 if ((rc = efx_mcdi_rss_context_set_table(enp,
659 rss_context, table, n)) != 0)
667 EFSYS_PROBE1(fail1, efx_rc_t, rc);
671 #endif /* EFSYS_OPT_RX_SCALE */
675 * EF10 RX pseudo-header
676 * ---------------------
678 * Receive packets are prefixed by an (optional) 14 byte pseudo-header:
680 * +00: Toeplitz hash value.
681 * (32bit little-endian)
682 * +04: Outer VLAN tag. Zero if the packet did not have an outer VLAN tag.
684 * +06: Inner VLAN tag. Zero if the packet did not have an inner VLAN tag.
686 * +08: Packet Length. Zero if the RX datapath was in cut-through mode.
687 * (16bit little-endian)
688 * +10: MAC timestamp. Zero if timestamping is not enabled.
689 * (32bit little-endian)
691 * See "The RX Pseudo-header" in SF-109306-TC.
694 __checkReturn efx_rc_t
695 ef10_rx_prefix_pktlen(
697 __in uint8_t *buffer,
698 __out uint16_t *lengthp)
700 _NOTE(ARGUNUSED(enp))
703 * The RX pseudo-header contains the packet length, excluding the
704 * pseudo-header. If the hardware receive datapath was operating in
705 * cut-through mode then the length in the RX pseudo-header will be
706 * zero, and the packet length must be obtained from the DMA length
707 * reported in the RX event.
709 *lengthp = buffer[8] | (buffer[9] << 8);
713 #if EFSYS_OPT_RX_SCALE
714 __checkReturn uint32_t
717 __in efx_rx_hash_alg_t func,
718 __in uint8_t *buffer)
720 _NOTE(ARGUNUSED(enp))
723 case EFX_RX_HASHALG_TOEPLITZ:
734 #endif /* EFSYS_OPT_RX_SCALE */
736 #if EFSYS_OPT_RX_PACKED_STREAM
738 * Fake length for RXQ descriptors in packed stream mode
739 * to make hardware happy
741 #define EFX_RXQ_PACKED_STREAM_FAKE_BUF_SIZE 32
747 __in_ecount(ndescs) efsys_dma_addr_t *addrp,
749 __in unsigned int ndescs,
750 __in unsigned int completed,
751 __in unsigned int added)
758 _NOTE(ARGUNUSED(completed))
760 #if EFSYS_OPT_RX_PACKED_STREAM
762 * Real size of the buffer does not fit into ESF_DZ_RX_KER_BYTE_CNT
763 * and equal to 0 after applying mask. Hardware does not like it.
765 if (erp->er_ev_qstate->eers_rx_packed_stream)
766 size = EFX_RXQ_PACKED_STREAM_FAKE_BUF_SIZE;
769 /* The client driver must not overfill the queue */
770 EFSYS_ASSERT3U(added - completed + ndescs, <=,
771 EFX_RXQ_LIMIT(erp->er_mask + 1));
773 id = added & (erp->er_mask);
774 for (i = 0; i < ndescs; i++) {
775 EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
776 unsigned int, id, efsys_dma_addr_t, addrp[i],
779 EFX_POPULATE_QWORD_3(qword,
780 ESF_DZ_RX_KER_BYTE_CNT, (uint32_t)(size),
781 ESF_DZ_RX_KER_BUF_ADDR_DW0,
782 (uint32_t)(addrp[i] & 0xffffffff),
783 ESF_DZ_RX_KER_BUF_ADDR_DW1,
784 (uint32_t)(addrp[i] >> 32));
786 offset = id * sizeof (efx_qword_t);
787 EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
789 id = (id + 1) & (erp->er_mask);
796 __in unsigned int added,
797 __inout unsigned int *pushedp)
799 efx_nic_t *enp = erp->er_enp;
800 unsigned int pushed = *pushedp;
804 /* Hardware has alignment restriction for WPTR */
805 wptr = P2ALIGN(added, EF10_RX_WPTR_ALIGN);
811 /* Push the populated descriptors out */
812 wptr &= erp->er_mask;
814 EFX_POPULATE_DWORD_1(dword, ERF_DZ_RX_DESC_WPTR, wptr);
816 /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
817 EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
818 wptr, pushed & erp->er_mask);
819 EFSYS_PIO_WRITE_BARRIER();
820 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
821 erp->er_index, &dword, B_FALSE);
824 #if EFSYS_OPT_RX_PACKED_STREAM
827 ef10_rx_qpush_ps_credits(
830 efx_nic_t *enp = erp->er_enp;
832 efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
835 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
837 if (rxq_state->eers_rx_packed_stream_credits == 0)
841 * It is a bug if we think that FW has utilized more
842 * credits than it is allowed to have (maximum). However,
843 * make sure that we do not credit more than maximum anyway.
845 credits = MIN(rxq_state->eers_rx_packed_stream_credits,
846 EFX_RX_PACKED_STREAM_MAX_CREDITS);
847 EFX_POPULATE_DWORD_3(dword,
848 ERF_DZ_RX_DESC_MAGIC_DOORBELL, 1,
849 ERF_DZ_RX_DESC_MAGIC_CMD,
850 ERE_DZ_RX_DESC_MAGIC_CMD_PS_CREDITS,
851 ERF_DZ_RX_DESC_MAGIC_DATA, credits);
852 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
853 erp->er_index, &dword, B_FALSE);
855 rxq_state->eers_rx_packed_stream_credits = 0;
859 * In accordance with SF-112241-TC the received data has the following layout:
860 * - 8 byte pseudo-header which consist of:
861 * - 4 byte little-endian timestamp
862 * - 2 byte little-endian captured length in bytes
863 * - 2 byte little-endian original packet length in bytes
864 * - captured packet bytes
865 * - optional padding to align to 64 bytes boundary
866 * - 64 bytes scratch space for the host software
868 __checkReturn uint8_t *
869 ef10_rx_qps_packet_info(
871 __in uint8_t *buffer,
872 __in uint32_t buffer_length,
873 __in uint32_t current_offset,
874 __out uint16_t *lengthp,
875 __out uint32_t *next_offsetp,
876 __out uint32_t *timestamp)
881 efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
883 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
885 buffer += current_offset;
886 pkt_start = buffer + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE;
888 qwordp = (efx_qword_t *)buffer;
889 *timestamp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_TSTAMP);
890 *lengthp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_ORIG_LEN);
891 buf_len = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_CAP_LEN);
893 buf_len = P2ROUNDUP(buf_len + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE,
894 EFX_RX_PACKED_STREAM_ALIGNMENT);
896 current_offset + buf_len + EFX_RX_PACKED_STREAM_ALIGNMENT;
898 EFSYS_ASSERT3U(*next_offsetp, <=, buffer_length);
899 EFSYS_ASSERT3U(current_offset + *lengthp, <, *next_offsetp);
901 if ((*next_offsetp ^ current_offset) &
902 EFX_RX_PACKED_STREAM_MEM_PER_CREDIT)
903 rxq_state->eers_rx_packed_stream_credits++;
911 __checkReturn efx_rc_t
915 efx_nic_t *enp = erp->er_enp;
918 if ((rc = efx_mcdi_fini_rxq(enp, erp->er_index)) != 0)
925 * EALREADY is not an error, but indicates that the MC has rebooted and
926 * that the RXQ has already been destroyed. Callers need to know that
927 * the RXQ flush has completed to avoid waiting until timeout for a
928 * flush done event that will not be delivered.
931 EFSYS_PROBE1(fail1, efx_rc_t, rc);
941 _NOTE(ARGUNUSED(erp))
945 __checkReturn efx_rc_t
948 __in unsigned int index,
949 __in unsigned int label,
950 __in efx_rxq_type_t type,
951 __in uint32_t type_data,
952 __in efsys_mem_t *esmp,
955 __in unsigned int flags,
959 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
961 boolean_t disable_scatter;
962 unsigned int ps_buf_size;
964 _NOTE(ARGUNUSED(id, erp))
966 EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << ESF_DZ_RX_QLABEL_WIDTH));
967 EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
968 EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
970 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
971 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
974 (ndescs < EFX_RXQ_MINNDESCS) || (ndescs > EFX_RXQ_MAXNDESCS)) {
978 if (index >= encp->enc_rxq_limit) {
984 case EFX_RXQ_TYPE_DEFAULT:
987 #if EFSYS_OPT_RX_PACKED_STREAM
988 case EFX_RXQ_TYPE_PACKED_STREAM:
990 case EFX_RXQ_PACKED_STREAM_BUF_SIZE_1M:
991 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M;
993 case EFX_RXQ_PACKED_STREAM_BUF_SIZE_512K:
994 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_512K;
996 case EFX_RXQ_PACKED_STREAM_BUF_SIZE_256K:
997 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_256K;
999 case EFX_RXQ_PACKED_STREAM_BUF_SIZE_128K:
1000 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_128K;
1002 case EFX_RXQ_PACKED_STREAM_BUF_SIZE_64K:
1003 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_64K;
1010 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1016 #if EFSYS_OPT_RX_PACKED_STREAM
1017 if (ps_buf_size != 0) {
1018 /* Check if datapath firmware supports packed stream mode */
1019 if (encp->enc_rx_packed_stream_supported == B_FALSE) {
1023 /* Check if packed stream allows configurable buffer sizes */
1024 if ((ps_buf_size != MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M) &&
1025 (encp->enc_rx_var_packed_stream_supported == B_FALSE)) {
1030 #else /* EFSYS_OPT_RX_PACKED_STREAM */
1031 EFSYS_ASSERT(ps_buf_size == 0);
1032 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1034 /* Scatter can only be disabled if the firmware supports doing so */
1035 if (flags & EFX_RXQ_FLAG_SCATTER)
1036 disable_scatter = B_FALSE;
1038 disable_scatter = encp->enc_rx_disable_scatter_supported;
1040 if ((rc = efx_mcdi_init_rxq(enp, ndescs, eep->ee_index, label, index,
1041 esmp, disable_scatter, ps_buf_size)) != 0)
1045 erp->er_label = label;
1047 ef10_ev_rxlabel_init(eep, erp, label, type);
1049 erp->er_ev_qstate = &erp->er_eep->ee_rxq_state[label];
1055 #if EFSYS_OPT_RX_PACKED_STREAM
1060 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1063 #if EFSYS_OPT_RX_PACKED_STREAM
1066 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1070 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1077 __in efx_rxq_t *erp)
1079 efx_nic_t *enp = erp->er_enp;
1080 efx_evq_t *eep = erp->er_eep;
1081 unsigned int label = erp->er_label;
1083 ef10_ev_rxlabel_fini(eep, label);
1085 EFSYS_ASSERT(enp->en_rx_qcount != 0);
1086 --enp->en_rx_qcount;
1088 EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
1093 __in efx_nic_t *enp)
1095 #if EFSYS_OPT_RX_SCALE
1096 if (enp->en_rss_context_type != EFX_RX_SCALE_UNAVAILABLE)
1097 (void) efx_mcdi_rss_context_free(enp, enp->en_rss_context);
1098 enp->en_rss_context = 0;
1099 enp->en_rss_context_type = EFX_RX_SCALE_UNAVAILABLE;
1101 _NOTE(ARGUNUSED(enp))
1102 #endif /* EFSYS_OPT_RX_SCALE */
1105 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */