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
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.
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.
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)
50 uint8_t payload[MAX(MC_CMD_INIT_RXQ_EXT_IN_LEN,
51 MC_CMD_INIT_RXQ_EXT_OUT_LEN)];
52 int npages = EFX_RXQ_NBUFS(size);
54 efx_qword_t *dma_addr;
59 /* If this changes, then the payload size might need to change. */
60 EFSYS_ASSERT3U(MC_CMD_INIT_RXQ_OUT_LEN, ==, 0);
61 EFSYS_ASSERT3U(size, <=, 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 (void) memset(payload, 0, sizeof (payload));
69 req.emr_cmd = MC_CMD_INIT_RXQ;
70 req.emr_in_buf = payload;
71 req.emr_in_length = MC_CMD_INIT_RXQ_EXT_IN_LEN;
72 req.emr_out_buf = payload;
73 req.emr_out_length = MC_CMD_INIT_RXQ_EXT_OUT_LEN;
75 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_SIZE, size);
76 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_TARGET_EVQ, target_evq);
77 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_LABEL, label);
78 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_INSTANCE, instance);
79 MCDI_IN_POPULATE_DWORD_8(req, INIT_RXQ_EXT_IN_FLAGS,
80 INIT_RXQ_EXT_IN_FLAG_BUFF_MODE, 0,
81 INIT_RXQ_EXT_IN_FLAG_HDR_SPLIT, 0,
82 INIT_RXQ_EXT_IN_FLAG_TIMESTAMP, 0,
83 INIT_RXQ_EXT_IN_CRC_MODE, 0,
84 INIT_RXQ_EXT_IN_FLAG_PREFIX, 1,
85 INIT_RXQ_EXT_IN_FLAG_DISABLE_SCATTER, disable_scatter,
86 INIT_RXQ_EXT_IN_DMA_MODE,
88 INIT_RXQ_EXT_IN_PACKED_STREAM_BUFF_SIZE, ps_bufsize);
89 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_OWNER_ID, 0);
90 MCDI_IN_SET_DWORD(req, INIT_RXQ_EXT_IN_PORT_ID, EVB_PORT_ID_ASSIGNED);
92 dma_addr = MCDI_IN2(req, efx_qword_t, INIT_RXQ_IN_DMA_ADDR);
93 addr = EFSYS_MEM_ADDR(esmp);
95 for (i = 0; i < npages; i++) {
96 EFX_POPULATE_QWORD_2(*dma_addr,
97 EFX_DWORD_1, (uint32_t)(addr >> 32),
98 EFX_DWORD_0, (uint32_t)(addr & 0xffffffff));
101 addr += EFX_BUF_SIZE;
104 efx_mcdi_execute(enp, &req);
106 if (req.emr_rc != 0) {
114 EFSYS_PROBE1(fail1, efx_rc_t, rc);
119 static __checkReturn efx_rc_t
122 __in uint32_t instance)
125 uint8_t payload[MAX(MC_CMD_FINI_RXQ_IN_LEN,
126 MC_CMD_FINI_RXQ_OUT_LEN)];
129 (void) memset(payload, 0, sizeof (payload));
130 req.emr_cmd = MC_CMD_FINI_RXQ;
131 req.emr_in_buf = payload;
132 req.emr_in_length = MC_CMD_FINI_RXQ_IN_LEN;
133 req.emr_out_buf = payload;
134 req.emr_out_length = MC_CMD_FINI_RXQ_OUT_LEN;
136 MCDI_IN_SET_DWORD(req, FINI_RXQ_IN_INSTANCE, instance);
138 efx_mcdi_execute_quiet(enp, &req);
140 if (req.emr_rc != 0) {
149 * EALREADY is not an error, but indicates that the MC has rebooted and
150 * that the RXQ has already been destroyed.
153 EFSYS_PROBE1(fail1, efx_rc_t, rc);
158 #if EFSYS_OPT_RX_SCALE
159 static __checkReturn efx_rc_t
160 efx_mcdi_rss_context_alloc(
162 __in efx_rx_scale_support_t scale_support,
163 __in uint32_t num_queues,
164 __out uint32_t *rss_contextp)
167 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN,
168 MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN)];
169 uint32_t rss_context;
170 uint32_t context_type;
173 if (num_queues > EFX_MAXRSS) {
178 switch (scale_support) {
179 case EFX_RX_SCALE_EXCLUSIVE:
180 context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE;
182 case EFX_RX_SCALE_SHARED:
183 context_type = MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_SHARED;
190 (void) memset(payload, 0, sizeof (payload));
191 req.emr_cmd = MC_CMD_RSS_CONTEXT_ALLOC;
192 req.emr_in_buf = payload;
193 req.emr_in_length = MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN;
194 req.emr_out_buf = payload;
195 req.emr_out_length = MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN;
197 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
198 EVB_PORT_ID_ASSIGNED);
199 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE, context_type);
200 /* NUM_QUEUES is only used to validate indirection table offsets */
201 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, num_queues);
203 efx_mcdi_execute(enp, &req);
205 if (req.emr_rc != 0) {
210 if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
215 rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
216 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
221 *rss_contextp = rss_context;
234 EFSYS_PROBE1(fail1, efx_rc_t, rc);
238 #endif /* EFSYS_OPT_RX_SCALE */
240 #if EFSYS_OPT_RX_SCALE
242 efx_mcdi_rss_context_free(
244 __in uint32_t rss_context)
247 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
248 MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
251 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
256 (void) memset(payload, 0, sizeof (payload));
257 req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
258 req.emr_in_buf = payload;
259 req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
260 req.emr_out_buf = payload;
261 req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
263 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
265 efx_mcdi_execute_quiet(enp, &req);
267 if (req.emr_rc != 0) {
277 EFSYS_PROBE1(fail1, efx_rc_t, rc);
281 #endif /* EFSYS_OPT_RX_SCALE */
283 #if EFSYS_OPT_RX_SCALE
285 efx_mcdi_rss_context_set_flags(
287 __in uint32_t rss_context,
288 __in efx_rx_hash_type_t type)
291 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
292 MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
295 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
300 (void) memset(payload, 0, sizeof (payload));
301 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
302 req.emr_in_buf = payload;
303 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
304 req.emr_out_buf = payload;
305 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
307 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
310 MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
311 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
312 (type & EFX_RX_HASH_IPV4) ? 1 : 0,
313 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
314 (type & EFX_RX_HASH_TCPIPV4) ? 1 : 0,
315 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
316 (type & EFX_RX_HASH_IPV6) ? 1 : 0,
317 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
318 (type & EFX_RX_HASH_TCPIPV6) ? 1 : 0);
320 efx_mcdi_execute(enp, &req);
322 if (req.emr_rc != 0) {
332 EFSYS_PROBE1(fail1, efx_rc_t, rc);
336 #endif /* EFSYS_OPT_RX_SCALE */
338 #if EFSYS_OPT_RX_SCALE
340 efx_mcdi_rss_context_set_key(
342 __in uint32_t rss_context,
343 __in_ecount(n) uint8_t *key,
347 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
348 MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
351 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
356 (void) memset(payload, 0, sizeof (payload));
357 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
358 req.emr_in_buf = payload;
359 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
360 req.emr_out_buf = payload;
361 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
363 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
366 EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
367 if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
372 memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
375 efx_mcdi_execute(enp, &req);
377 if (req.emr_rc != 0) {
389 EFSYS_PROBE1(fail1, efx_rc_t, rc);
393 #endif /* EFSYS_OPT_RX_SCALE */
395 #if EFSYS_OPT_RX_SCALE
397 efx_mcdi_rss_context_set_table(
399 __in uint32_t rss_context,
400 __in_ecount(n) unsigned int *table,
404 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
405 MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
409 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
414 (void) memset(payload, 0, sizeof (payload));
415 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_TABLE;
416 req.emr_in_buf = payload;
417 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN;
418 req.emr_out_buf = payload;
419 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN;
421 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID,
425 MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE);
428 i < MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN;
430 req_table[i] = (n > 0) ? (uint8_t)table[i % n] : 0;
433 efx_mcdi_execute(enp, &req);
435 if (req.emr_rc != 0) {
445 EFSYS_PROBE1(fail1, efx_rc_t, rc);
449 #endif /* EFSYS_OPT_RX_SCALE */
452 __checkReturn efx_rc_t
456 #if EFSYS_OPT_RX_SCALE
458 if (efx_mcdi_rss_context_alloc(enp, EFX_RX_SCALE_EXCLUSIVE, EFX_MAXRSS,
459 &enp->en_rss_context) == 0) {
461 * Allocated an exclusive RSS context, which allows both the
462 * indirection table and key to be modified.
464 enp->en_rss_support = EFX_RX_SCALE_EXCLUSIVE;
465 enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
468 * Failed to allocate an exclusive RSS context. Continue
469 * operation without support for RSS. The pseudo-header in
470 * received packets will not contain a Toeplitz hash value.
472 enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
473 enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
476 #endif /* EFSYS_OPT_RX_SCALE */
481 #if EFSYS_OPT_RX_SCATTER
482 __checkReturn efx_rc_t
483 ef10_rx_scatter_enable(
485 __in unsigned int buf_size)
487 _NOTE(ARGUNUSED(enp, buf_size))
490 #endif /* EFSYS_OPT_RX_SCATTER */
492 #if EFSYS_OPT_RX_SCALE
493 __checkReturn efx_rc_t
494 ef10_rx_scale_mode_set(
496 __in efx_rx_hash_alg_t alg,
497 __in efx_rx_hash_type_t type,
498 __in boolean_t insert)
502 EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
503 EFSYS_ASSERT3U(insert, ==, B_TRUE);
505 if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
510 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
515 if ((rc = efx_mcdi_rss_context_set_flags(enp,
516 enp->en_rss_context, type)) != 0)
526 EFSYS_PROBE1(fail1, efx_rc_t, rc);
530 #endif /* EFSYS_OPT_RX_SCALE */
532 #if EFSYS_OPT_RX_SCALE
533 __checkReturn efx_rc_t
534 ef10_rx_scale_key_set(
536 __in_ecount(n) uint8_t *key,
541 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
546 if ((rc = efx_mcdi_rss_context_set_key(enp,
547 enp->en_rss_context, key, n)) != 0)
555 EFSYS_PROBE1(fail1, efx_rc_t, rc);
559 #endif /* EFSYS_OPT_RX_SCALE */
561 #if EFSYS_OPT_RX_SCALE
562 __checkReturn efx_rc_t
563 ef10_rx_scale_tbl_set(
565 __in_ecount(n) unsigned int *table,
570 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
575 if ((rc = efx_mcdi_rss_context_set_table(enp,
576 enp->en_rss_context, table, n)) != 0)
584 EFSYS_PROBE1(fail1, efx_rc_t, rc);
588 #endif /* EFSYS_OPT_RX_SCALE */
592 * EF10 RX pseudo-header
593 * ---------------------
595 * Receive packets are prefixed by an (optional) 14 byte pseudo-header:
597 * +00: Toeplitz hash value.
598 * (32bit little-endian)
599 * +04: Outer VLAN tag. Zero if the packet did not have an outer VLAN tag.
601 * +06: Inner VLAN tag. Zero if the packet did not have an inner VLAN tag.
603 * +08: Packet Length. Zero if the RX datapath was in cut-through mode.
604 * (16bit little-endian)
605 * +10: MAC timestamp. Zero if timestamping is not enabled.
606 * (32bit little-endian)
608 * See "The RX Pseudo-header" in SF-109306-TC.
611 __checkReturn efx_rc_t
612 ef10_rx_prefix_pktlen(
614 __in uint8_t *buffer,
615 __out uint16_t *lengthp)
617 _NOTE(ARGUNUSED(enp))
620 * The RX pseudo-header contains the packet length, excluding the
621 * pseudo-header. If the hardware receive datapath was operating in
622 * cut-through mode then the length in the RX pseudo-header will be
623 * zero, and the packet length must be obtained from the DMA length
624 * reported in the RX event.
626 *lengthp = buffer[8] | (buffer[9] << 8);
630 #if EFSYS_OPT_RX_SCALE
631 __checkReturn uint32_t
634 __in efx_rx_hash_alg_t func,
635 __in uint8_t *buffer)
637 _NOTE(ARGUNUSED(enp))
640 case EFX_RX_HASHALG_TOEPLITZ:
651 #endif /* EFSYS_OPT_RX_SCALE */
656 __in_ecount(n) efsys_dma_addr_t *addrp,
659 __in unsigned int completed,
660 __in unsigned int added)
667 /* The client driver must not overfill the queue */
668 EFSYS_ASSERT3U(added - completed + n, <=,
669 EFX_RXQ_LIMIT(erp->er_mask + 1));
671 id = added & (erp->er_mask);
672 for (i = 0; i < n; i++) {
673 EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
674 unsigned int, id, efsys_dma_addr_t, addrp[i],
677 EFX_POPULATE_QWORD_3(qword,
678 ESF_DZ_RX_KER_BYTE_CNT, (uint32_t)(size),
679 ESF_DZ_RX_KER_BUF_ADDR_DW0,
680 (uint32_t)(addrp[i] & 0xffffffff),
681 ESF_DZ_RX_KER_BUF_ADDR_DW1,
682 (uint32_t)(addrp[i] >> 32));
684 offset = id * sizeof (efx_qword_t);
685 EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
687 id = (id + 1) & (erp->er_mask);
694 __in unsigned int added,
695 __inout unsigned int *pushedp)
697 efx_nic_t *enp = erp->er_enp;
698 unsigned int pushed = *pushedp;
702 /* Hardware has alignment restriction for WPTR */
703 wptr = P2ALIGN(added, EF10_RX_WPTR_ALIGN);
709 /* Push the populated descriptors out */
710 wptr &= erp->er_mask;
712 EFX_POPULATE_DWORD_1(dword, ERF_DZ_RX_DESC_WPTR, wptr);
714 /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
715 EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
716 wptr, pushed & erp->er_mask);
717 EFSYS_PIO_WRITE_BARRIER();
718 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
719 erp->er_index, &dword, B_FALSE);
722 #if EFSYS_OPT_RX_PACKED_STREAM
725 ef10_rx_qps_update_credits(
728 efx_nic_t *enp = erp->er_enp;
730 efx_evq_rxq_state_t *rxq_state =
731 &erp->er_eep->ee_rxq_state[erp->er_label];
733 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
735 if (rxq_state->eers_rx_packed_stream_credits == 0)
738 EFX_POPULATE_DWORD_3(dword,
739 ERF_DZ_RX_DESC_MAGIC_DOORBELL, 1,
740 ERF_DZ_RX_DESC_MAGIC_CMD,
741 ERE_DZ_RX_DESC_MAGIC_CMD_PS_CREDITS,
742 ERF_DZ_RX_DESC_MAGIC_DATA,
743 rxq_state->eers_rx_packed_stream_credits);
744 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
745 erp->er_index, &dword, B_FALSE);
747 rxq_state->eers_rx_packed_stream_credits = 0;
750 __checkReturn uint8_t *
751 ef10_rx_qps_packet_info(
753 __in uint8_t *buffer,
754 __in uint32_t buffer_length,
755 __in uint32_t current_offset,
756 __out uint16_t *lengthp,
757 __out uint32_t *next_offsetp,
758 __out uint32_t *timestamp)
763 efx_evq_rxq_state_t *rxq_state =
764 &erp->er_eep->ee_rxq_state[erp->er_label];
766 EFSYS_ASSERT(rxq_state->eers_rx_packed_stream);
768 buffer += current_offset;
769 pkt_start = buffer + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE;
771 qwordp = (efx_qword_t *)buffer;
772 *timestamp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_TSTAMP);
773 *lengthp = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_ORIG_LEN);
774 buf_len = EFX_QWORD_FIELD(*qwordp, ES_DZ_PS_RX_PREFIX_CAP_LEN);
776 buf_len = P2ROUNDUP(buf_len + EFX_RX_PACKED_STREAM_RX_PREFIX_SIZE,
777 EFX_RX_PACKED_STREAM_ALIGNMENT);
779 current_offset + buf_len + EFX_RX_PACKED_STREAM_ALIGNMENT;
781 EFSYS_ASSERT3U(*next_offsetp, <=, buffer_length);
782 EFSYS_ASSERT3U(current_offset + *lengthp, <, *next_offsetp);
784 if ((*next_offsetp ^ current_offset) &
785 EFX_RX_PACKED_STREAM_MEM_PER_CREDIT) {
786 if (rxq_state->eers_rx_packed_stream_credits <
787 EFX_RX_PACKED_STREAM_MAX_CREDITS)
788 rxq_state->eers_rx_packed_stream_credits++;
797 __checkReturn efx_rc_t
801 efx_nic_t *enp = erp->er_enp;
804 if ((rc = efx_mcdi_fini_rxq(enp, erp->er_index)) != 0)
811 * EALREADY is not an error, but indicates that the MC has rebooted and
812 * that the RXQ has already been destroyed. Callers need to know that
813 * the RXQ flush has completed to avoid waiting until timeout for a
814 * flush done event that will not be delivered.
817 EFSYS_PROBE1(fail1, efx_rc_t, rc);
827 _NOTE(ARGUNUSED(erp))
831 __checkReturn efx_rc_t
834 __in unsigned int index,
835 __in unsigned int label,
836 __in efx_rxq_type_t type,
837 __in efsys_mem_t *esmp,
843 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
845 boolean_t disable_scatter;
846 unsigned int ps_buf_size;
848 _NOTE(ARGUNUSED(id, erp))
850 EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << ESF_DZ_RX_QLABEL_WIDTH));
851 EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
852 EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
854 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
855 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
857 if (!ISP2(n) || (n < EFX_RXQ_MINNDESCS) || (n > EFX_RXQ_MAXNDESCS)) {
861 if (index >= encp->enc_rxq_limit) {
867 case EFX_RXQ_TYPE_DEFAULT:
868 case EFX_RXQ_TYPE_SCATTER:
871 #if EFSYS_OPT_RX_PACKED_STREAM
872 case EFX_RXQ_TYPE_PACKED_STREAM_1M:
873 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_1M;
875 case EFX_RXQ_TYPE_PACKED_STREAM_512K:
876 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_512K;
878 case EFX_RXQ_TYPE_PACKED_STREAM_256K:
879 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_256K;
881 case EFX_RXQ_TYPE_PACKED_STREAM_128K:
882 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_128K;
884 case EFX_RXQ_TYPE_PACKED_STREAM_64K:
885 ps_buf_size = MC_CMD_INIT_RXQ_EXT_IN_PS_BUFF_64K;
887 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
893 #if EFSYS_OPT_RX_PACKED_STREAM
894 if (ps_buf_size != 0) {
895 /* Check if datapath firmware supports packed stream mode */
896 if (encp->enc_rx_packed_stream_supported == B_FALSE) {
900 /* Check if packed stream allows configurable buffer sizes */
901 if ((type != EFX_RXQ_TYPE_PACKED_STREAM_1M) &&
902 (encp->enc_rx_var_packed_stream_supported == B_FALSE)) {
907 #else /* EFSYS_OPT_RX_PACKED_STREAM */
908 EFSYS_ASSERT(ps_buf_size == 0);
909 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
911 /* Scatter can only be disabled if the firmware supports doing so */
912 if (type == EFX_RXQ_TYPE_SCATTER)
913 disable_scatter = B_FALSE;
915 disable_scatter = encp->enc_rx_disable_scatter_supported;
917 if ((rc = efx_mcdi_init_rxq(enp, n, eep->ee_index, label, index,
918 esmp, disable_scatter, ps_buf_size)) != 0)
922 erp->er_label = label;
924 ef10_ev_rxlabel_init(eep, erp, label, ps_buf_size != 0);
930 #if EFSYS_OPT_RX_PACKED_STREAM
935 #endif /* EFSYS_OPT_RX_PACKED_STREAM */
941 EFSYS_PROBE1(fail1, efx_rc_t, rc);
950 efx_nic_t *enp = erp->er_enp;
951 efx_evq_t *eep = erp->er_eep;
952 unsigned int label = erp->er_label;
954 ef10_ev_rxlabel_fini(eep, label);
956 EFSYS_ASSERT(enp->en_rx_qcount != 0);
959 EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
966 #if EFSYS_OPT_RX_SCALE
967 if (enp->en_rss_support != EFX_RX_SCALE_UNAVAILABLE) {
968 (void) efx_mcdi_rss_context_free(enp, enp->en_rss_context);
970 enp->en_rss_context = 0;
971 enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
973 _NOTE(ARGUNUSED(enp))
974 #endif /* EFSYS_OPT_RX_SCALE */
977 #endif /* EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD */