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;
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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);
220 /* NUM_QUEUES is only used to validate indirection table offsets */
221 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
223 efx_mcdi_execute(enp, &req);
225 if (req.emr_rc != 0) {
230 if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
235 rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
236 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
241 *rss_contextp = rss_context;
254 EFSYS_PROBE1(fail1, efx_rc_t, rc);
258 #endif /* EFSYS_OPT_RX_SCALE */
260 #if EFSYS_OPT_RX_SCALE
262 efx_mcdi_rss_context_free(
264 __in uint32_t rss_context)
267 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
268 MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
271 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
276 (void) memset(payload, 0, sizeof (payload));
277 req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
278 req.emr_in_buf = payload;
279 req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
280 req.emr_out_buf = payload;
281 req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
283 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
285 efx_mcdi_execute_quiet(enp, &req);
287 if (req.emr_rc != 0) {
297 EFSYS_PROBE1(fail1, efx_rc_t, rc);
301 #endif /* EFSYS_OPT_RX_SCALE */
303 #if EFSYS_OPT_RX_SCALE
305 efx_mcdi_rss_context_set_flags(
307 __in uint32_t rss_context,
308 __in efx_rx_hash_type_t type)
311 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
312 MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
315 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
320 (void) memset(payload, 0, sizeof (payload));
321 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
322 req.emr_in_buf = payload;
323 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
324 req.emr_out_buf = payload;
325 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
327 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
330 MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
331 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
332 (type & EFX_RX_HASH_IPV4) ? 1 : 0,
333 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
334 (type & EFX_RX_HASH_TCPIPV4) ? 1 : 0,
335 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
336 (type & EFX_RX_HASH_IPV6) ? 1 : 0,
337 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
338 (type & EFX_RX_HASH_TCPIPV6) ? 1 : 0);
340 efx_mcdi_execute(enp, &req);
342 if (req.emr_rc != 0) {
352 EFSYS_PROBE1(fail1, efx_rc_t, rc);
356 #endif /* EFSYS_OPT_RX_SCALE */
358 #if EFSYS_OPT_RX_SCALE
360 efx_mcdi_rss_context_set_key(
362 __in uint32_t rss_context,
363 __in_ecount(n) uint8_t *key,
367 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
368 MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
371 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
376 (void) memset(payload, 0, sizeof (payload));
377 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
378 req.emr_in_buf = payload;
379 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
380 req.emr_out_buf = payload;
381 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
383 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
386 EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
387 if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
392 memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
395 efx_mcdi_execute(enp, &req);
397 if (req.emr_rc != 0) {
409 EFSYS_PROBE1(fail1, efx_rc_t, rc);
413 #endif /* EFSYS_OPT_RX_SCALE */
415 #if EFSYS_OPT_RX_SCALE
417 efx_mcdi_rss_context_set_table(
419 __in uint32_t rss_context,
420 __in_ecount(n) unsigned int *table,
424 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
425 MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
429 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
434 (void) memset(payload, 0, sizeof (payload));
435 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_TABLE;
436 req.emr_in_buf = payload;
437 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN;
438 req.emr_out_buf = payload;
439 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN;
441 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID,
445 MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE);
448 i < MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN;
450 req_table[i] = (n > 0) ? (uint8_t)table[i % n] : 0;
453 efx_mcdi_execute(enp, &req);
455 if (req.emr_rc != 0) {
465 EFSYS_PROBE1(fail1, efx_rc_t, rc);
469 #endif /* EFSYS_OPT_RX_SCALE */
472 __checkReturn efx_rc_t
476 #if EFSYS_OPT_RX_SCALE
478 if (efx_mcdi_rss_context_alloc(enp, EFX_RX_SCALE_EXCLUSIVE, EFX_MAXRSS,
479 &enp->en_rss_context) == 0) {
481 * Allocated an exclusive RSS context, which allows both the
482 * indirection table and key to be modified.
484 enp->en_rss_context_type = EFX_RX_SCALE_EXCLUSIVE;
485 enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
488 * Failed to allocate an exclusive RSS context. Continue
489 * operation without support for RSS. The pseudo-header in
490 * received packets will not contain a Toeplitz hash value.
492 enp->en_rss_context_type = EFX_RX_SCALE_UNAVAILABLE;
493 enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
496 #endif /* EFSYS_OPT_RX_SCALE */
501 #if EFSYS_OPT_RX_SCATTER
502 __checkReturn efx_rc_t
503 ef10_rx_scatter_enable(
505 __in unsigned int buf_size)
507 _NOTE(ARGUNUSED(enp, buf_size))
510 #endif /* EFSYS_OPT_RX_SCATTER */
512 #if EFSYS_OPT_RX_SCALE
513 __checkReturn efx_rc_t
514 ef10_rx_scale_context_alloc(
516 __in efx_rx_scale_context_type_t type,
517 __in uint32_t num_queues,
518 __out uint32_t *rss_contextp)
522 rc = efx_mcdi_rss_context_alloc(enp, type, num_queues, rss_contextp);
529 EFSYS_PROBE1(fail1, efx_rc_t, rc);
532 #endif /* EFSYS_OPT_RX_SCALE */
534 #if EFSYS_OPT_RX_SCALE
535 __checkReturn efx_rc_t
536 ef10_rx_scale_context_free(
538 __in uint32_t rss_context)
542 rc = efx_mcdi_rss_context_free(enp, rss_context);
549 EFSYS_PROBE1(fail1, efx_rc_t, rc);
552 #endif /* EFSYS_OPT_RX_SCALE */
554 #if EFSYS_OPT_RX_SCALE
555 __checkReturn efx_rc_t
556 ef10_rx_scale_mode_set(
558 __in uint32_t rss_context,
559 __in efx_rx_hash_alg_t alg,
560 __in efx_rx_hash_type_t type,
561 __in boolean_t insert)
565 EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
566 EFSYS_ASSERT3U(insert, ==, B_TRUE);
568 if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
573 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
574 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
578 rss_context = enp->en_rss_context;
581 if ((rc = efx_mcdi_rss_context_set_flags(enp,
582 rss_context, type)) != 0)
592 EFSYS_PROBE1(fail1, efx_rc_t, rc);
596 #endif /* EFSYS_OPT_RX_SCALE */
598 #if EFSYS_OPT_RX_SCALE
599 __checkReturn efx_rc_t
600 ef10_rx_scale_key_set(
602 __in uint32_t rss_context,
603 __in_ecount(n) uint8_t *key,
608 EFX_STATIC_ASSERT(EFX_RSS_KEY_SIZE ==
609 MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
611 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
612 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
616 rss_context = enp->en_rss_context;
619 if ((rc = efx_mcdi_rss_context_set_key(enp, rss_context, key, n)) != 0)
627 EFSYS_PROBE1(fail1, efx_rc_t, rc);
631 #endif /* EFSYS_OPT_RX_SCALE */
633 #if EFSYS_OPT_RX_SCALE
634 __checkReturn efx_rc_t
635 ef10_rx_scale_tbl_set(
637 __in uint32_t rss_context,
638 __in_ecount(n) unsigned int *table,
644 if (rss_context == EFX_RSS_CONTEXT_DEFAULT) {
645 if (enp->en_rss_context_type == EFX_RX_SCALE_UNAVAILABLE) {
649 rss_context = enp->en_rss_context;
652 if ((rc = efx_mcdi_rss_context_set_table(enp,
653 rss_context, table, n)) != 0)
661 EFSYS_PROBE1(fail1, efx_rc_t, rc);
665 #endif /* EFSYS_OPT_RX_SCALE */
669 * EF10 RX pseudo-header
670 * ---------------------
672 * Receive packets are prefixed by an (optional) 14 byte pseudo-header:
674 * +00: Toeplitz hash value.
675 * (32bit little-endian)
676 * +04: Outer VLAN tag. Zero if the packet did not have an outer VLAN tag.
678 * +06: Inner VLAN tag. Zero if the packet did not have an inner VLAN tag.
680 * +08: Packet Length. Zero if the RX datapath was in cut-through mode.
681 * (16bit little-endian)
682 * +10: MAC timestamp. Zero if timestamping is not enabled.
683 * (32bit little-endian)
685 * See "The RX Pseudo-header" in SF-109306-TC.
688 __checkReturn efx_rc_t
689 ef10_rx_prefix_pktlen(
691 __in uint8_t *buffer,
692 __out uint16_t *lengthp)
694 _NOTE(ARGUNUSED(enp))
697 * The RX pseudo-header contains the packet length, excluding the
698 * pseudo-header. If the hardware receive datapath was operating in
699 * cut-through mode then the length in the RX pseudo-header will be
700 * zero, and the packet length must be obtained from the DMA length
701 * reported in the RX event.
703 *lengthp = buffer[8] | (buffer[9] << 8);
707 #if EFSYS_OPT_RX_SCALE
708 __checkReturn uint32_t
711 __in efx_rx_hash_alg_t func,
712 __in uint8_t *buffer)
714 _NOTE(ARGUNUSED(enp))
717 case EFX_RX_HASHALG_TOEPLITZ:
728 #endif /* EFSYS_OPT_RX_SCALE */
730 #if EFSYS_OPT_RX_PACKED_STREAM
732 * Fake length for RXQ descriptors in packed stream mode
733 * to make hardware happy
735 #define EFX_RXQ_PACKED_STREAM_FAKE_BUF_SIZE 32
741 __in_ecount(ndescs) efsys_dma_addr_t *addrp,
743 __in unsigned int ndescs,
744 __in unsigned int completed,
745 __in unsigned int added)
752 _NOTE(ARGUNUSED(completed))
754 #if EFSYS_OPT_RX_PACKED_STREAM
756 * Real size of the buffer does not fit into ESF_DZ_RX_KER_BYTE_CNT
757 * and equal to 0 after applying mask. Hardware does not like it.
759 if (erp->er_ev_qstate->eers_rx_packed_stream)
760 size = EFX_RXQ_PACKED_STREAM_FAKE_BUF_SIZE;
763 /* The client driver must not overfill the queue */
764 EFSYS_ASSERT3U(added - completed + ndescs, <=,
765 EFX_RXQ_LIMIT(erp->er_mask + 1));
767 id = added & (erp->er_mask);
768 for (i = 0; i < ndescs; i++) {
769 EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
770 unsigned int, id, efsys_dma_addr_t, addrp[i],
773 EFX_POPULATE_QWORD_3(qword,
774 ESF_DZ_RX_KER_BYTE_CNT, (uint32_t)(size),
775 ESF_DZ_RX_KER_BUF_ADDR_DW0,
776 (uint32_t)(addrp[i] & 0xffffffff),
777 ESF_DZ_RX_KER_BUF_ADDR_DW1,
778 (uint32_t)(addrp[i] >> 32));
780 offset = id * sizeof (efx_qword_t);
781 EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
783 id = (id + 1) & (erp->er_mask);
790 __in unsigned int added,
791 __inout unsigned int *pushedp)
793 efx_nic_t *enp = erp->er_enp;
794 unsigned int pushed = *pushedp;
798 /* Hardware has alignment restriction for WPTR */
799 wptr = P2ALIGN(added, EF10_RX_WPTR_ALIGN);
805 /* Push the populated descriptors out */
806 wptr &= erp->er_mask;
808 EFX_POPULATE_DWORD_1(dword, ERF_DZ_RX_DESC_WPTR, wptr);
810 /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
811 EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
812 wptr, pushed & erp->er_mask);
813 EFSYS_PIO_WRITE_BARRIER();
814 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
815 erp->er_index, &dword, B_FALSE);
818 #if EFSYS_OPT_RX_PACKED_STREAM
821 ef10_rx_qpush_ps_credits(
824 efx_nic_t *enp = erp->er_enp;
826 efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
829 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
831 if (rxq_state->eers_rx_packed_stream_credits == 0)
835 * It is a bug if we think that FW has utilized more
836 * credits than it is allowed to have (maximum). However,
837 * make sure that we do not credit more than maximum anyway.
839 credits = MIN(rxq_state->eers_rx_packed_stream_credits,
840 EFX_RX_PACKED_STREAM_MAX_CREDITS);
841 EFX_POPULATE_DWORD_3(dword,
842 ERF_DZ_RX_DESC_MAGIC_DOORBELL, 1,
843 ERF_DZ_RX_DESC_MAGIC_CMD,
844 ERE_DZ_RX_DESC_MAGIC_CMD_PS_CREDITS,
845 ERF_DZ_RX_DESC_MAGIC_DATA, credits);
846 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
847 erp->er_index, &dword, B_FALSE);
849 rxq_state->eers_rx_packed_stream_credits = 0;
853 * In accordance with SF-112241-TC the received data has the following layout:
854 * - 8 byte pseudo-header which consist of:
855 * - 4 byte little-endian timestamp
856 * - 2 byte little-endian captured length in bytes
857 * - 2 byte little-endian original packet length in bytes
858 * - captured packet bytes
859 * - optional padding to align to 64 bytes boundary
860 * - 64 bytes scratch space for the host software
862 __checkReturn uint8_t *
863 ef10_rx_qps_packet_info(
865 __in uint8_t *buffer,
866 __in uint32_t buffer_length,
867 __in uint32_t current_offset,
868 __out uint16_t *lengthp,
869 __out uint32_t *next_offsetp,
870 __out uint32_t *timestamp)
875 efx_evq_rxq_state_t *rxq_state = erp->er_ev_qstate;
877 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
879 buffer += current_offset;
880 pkt_start = buffer + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE;
882 qwordp = (efx_qword_t *)buffer;
883 *timestamp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_TSTAMP);
884 *lengthp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_ORIG_LEN);
885 buf_len = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_CAP_LEN);
887 buf_len = P2ROUNDUP(buf_len + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE,
888 EFX_RX_PACKED_STREAM_ALIGNMENT);
890 current_offset + buf_len + EFX_RX_PACKED_STREAM_ALIGNMENT;
892 EFSYS_ASSERT3U(*next_offsetp, <=, buffer_length);
893 EFSYS_ASSERT3U(current_offset + *lengthp, <, *next_offsetp);
895 if ((*next_offsetp ^ current_offset) &
896 EFX_RX_PACKED_STREAM_MEM_PER_CREDIT)
897 rxq_state->eers_rx_packed_stream_credits++;
905 __checkReturn efx_rc_t
909 efx_nic_t *enp = erp->er_enp;
912 if ((rc = efx_mcdi_fini_rxq(enp, erp->er_index)) != 0)
919 * EALREADY is not an error, but indicates that the MC has rebooted and
920 * that the RXQ has already been destroyed. Callers need to know that
921 * the RXQ flush has completed to avoid waiting until timeout for a
922 * flush done event that will not be delivered.
925 EFSYS_PROBE1(fail1, efx_rc_t, rc);
935 _NOTE(ARGUNUSED(erp))
939 __checkReturn efx_rc_t
942 __in unsigned int index,
943 __in unsigned int label,
944 __in efx_rxq_type_t type,
945 __in efsys_mem_t *esmp,
951 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
953 boolean_t disable_scatter;
954 unsigned int ps_buf_size;
956 _NOTE(ARGUNUSED(id, erp))
958 EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << ESF_DZ_RX_QLABEL_WIDTH));
959 EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
960 EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
962 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
963 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
966 (ndescs < EFX_RXQ_MINNDESCS) || (ndescs > EFX_RXQ_MAXNDESCS)) {
970 if (index >= encp->enc_rxq_limit) {
976 case EFX_RXQ_TYPE_DEFAULT:
977 case EFX_RXQ_TYPE_SCATTER:
980 #if EFSYS_OPT_RX_PACKED_STREAM
981 case EFX_RXQ_TYPE_PACKED_STREAM_1M:
982 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M;
984 case EFX_RXQ_TYPE_PACKED_STREAM_512K:
985 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_512K;
987 case EFX_RXQ_TYPE_PACKED_STREAM_256K:
988 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_256K;
990 case EFX_RXQ_TYPE_PACKED_STREAM_128K:
991 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_128K;
993 case EFX_RXQ_TYPE_PACKED_STREAM_64K:
994 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_64K;
996 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1002 #if EFSYS_OPT_RX_PACKED_STREAM
1003 if (ps_buf_size != 0) {
1004 /* Check if datapath firmware supports packed stream mode */
1005 if (encp->enc_rx_packed_stream_supported == B_FALSE) {
1009 /* Check if packed stream allows configurable buffer sizes */
1010 if ((type != EFX_RXQ_TYPE_PACKED_STREAM_1M) &&
1011 (encp->enc_rx_var_packed_stream_supported == B_FALSE)) {
1016 #else /* EFSYS_OPT_RX_PACKED_STREAM */
1017 EFSYS_ASSERT(ps_buf_size == 0);
1018 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1020 /* Scatter can only be disabled if the firmware supports doing so */
1021 if (type == EFX_RXQ_TYPE_SCATTER)
1022 disable_scatter = B_FALSE;
1024 disable_scatter = encp->enc_rx_disable_scatter_supported;
1026 if ((rc = efx_mcdi_init_rxq(enp, ndescs, eep->ee_index, label, index,
1027 esmp, disable_scatter, ps_buf_size)) != 0)
1031 erp->er_label = label;
1033 ef10_ev_rxlabel_init(eep, erp, label, type);
1035 erp->er_ev_qstate = &erp->er_eep->ee_rxq_state[label];
1041 #if EFSYS_OPT_RX_PACKED_STREAM
1046 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
1052 EFSYS_PROBE1(fail1, efx_rc_t, rc);
1059 __in efx_rxq_t *erp)
1061 efx_nic_t *enp = erp->er_enp;
1062 efx_evq_t *eep = erp->er_eep;
1063 unsigned int label = erp->er_label;
1065 ef10_ev_rxlabel_fini(eep, label);
1067 EFSYS_ASSERT(enp->en_rx_qcount != 0);
1068 --enp->en_rx_qcount;
1070 EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
1075 __in efx_nic_t *enp)
1077 #if EFSYS_OPT_RX_SCALE
1078 if (enp->en_rss_context_type != EFX_RX_SCALE_UNAVAILABLE)
1079 (void) efx_mcdi_rss_context_free(enp, enp->en_rss_context);
1080 enp->en_rss_context = 0;
1081 enp->en_rss_context_type = EFX_RX_SCALE_UNAVAILABLE;
1083 _NOTE(ARGUNUSED(enp))
1084 #endif /* EFSYS_OPT_RX_SCALE */
1087 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */