2 * Copyright (c) 2012-2015 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.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
39 #if EFSYS_OPT_HUNTINGTON
42 static __checkReturn efx_rc_t
46 __in uint32_t target_evq,
48 __in uint32_t instance,
49 __in efsys_mem_t *esmp,
50 __in boolean_t disable_scatter)
54 MAX(MC_CMD_INIT_RXQ_IN_LEN(EFX_RXQ_NBUFS(EFX_RXQ_MAXNDESCS)),
55 MC_CMD_INIT_RXQ_OUT_LEN)];
56 int npages = EFX_RXQ_NBUFS(size);
58 efx_qword_t *dma_addr;
62 EFSYS_ASSERT3U(size, <=, EFX_RXQ_MAXNDESCS);
64 (void) memset(payload, 0, sizeof (payload));
65 req.emr_cmd = MC_CMD_INIT_RXQ;
66 req.emr_in_buf = payload;
67 req.emr_in_length = MC_CMD_INIT_RXQ_IN_LEN(npages);
68 req.emr_out_buf = payload;
69 req.emr_out_length = MC_CMD_INIT_RXQ_OUT_LEN;
71 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_SIZE, size);
72 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_TARGET_EVQ, target_evq);
73 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_LABEL, label);
74 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_INSTANCE, instance);
75 MCDI_IN_POPULATE_DWORD_6(req, INIT_RXQ_IN_FLAGS,
76 INIT_RXQ_IN_FLAG_BUFF_MODE, 0,
77 INIT_RXQ_IN_FLAG_HDR_SPLIT, 0,
78 INIT_RXQ_IN_FLAG_TIMESTAMP, 0,
79 INIT_RXQ_IN_CRC_MODE, 0,
80 INIT_RXQ_IN_FLAG_PREFIX, 1,
81 INIT_RXQ_IN_FLAG_DISABLE_SCATTER, disable_scatter);
82 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_OWNER_ID, 0);
83 MCDI_IN_SET_DWORD(req, INIT_RXQ_IN_PORT_ID, EVB_PORT_ID_ASSIGNED);
85 dma_addr = MCDI_IN2(req, efx_qword_t, INIT_RXQ_IN_DMA_ADDR);
86 addr = EFSYS_MEM_ADDR(esmp);
88 for (i = 0; i < npages; i++) {
89 EFX_POPULATE_QWORD_2(*dma_addr,
90 EFX_DWORD_1, (uint32_t)(addr >> 32),
91 EFX_DWORD_0, (uint32_t)(addr & 0xffffffff));
97 efx_mcdi_execute(enp, &req);
99 if (req.emr_rc != 0) {
107 EFSYS_PROBE1(fail1, efx_rc_t, rc);
112 static __checkReturn efx_rc_t
115 __in uint32_t instance)
118 uint8_t payload[MAX(MC_CMD_FINI_RXQ_IN_LEN,
119 MC_CMD_FINI_RXQ_OUT_LEN)];
122 (void) memset(payload, 0, sizeof (payload));
123 req.emr_cmd = MC_CMD_FINI_RXQ;
124 req.emr_in_buf = payload;
125 req.emr_in_length = MC_CMD_FINI_RXQ_IN_LEN;
126 req.emr_out_buf = payload;
127 req.emr_out_length = MC_CMD_FINI_RXQ_OUT_LEN;
129 MCDI_IN_SET_DWORD(req, FINI_RXQ_IN_INSTANCE, instance);
131 efx_mcdi_execute(enp, &req);
133 if ((req.emr_rc != 0) && (req.emr_rc != MC_CMD_ERR_EALREADY)) {
141 EFSYS_PROBE1(fail1, efx_rc_t, rc);
146 #if EFSYS_OPT_RX_SCALE
147 static __checkReturn efx_rc_t
148 efx_mcdi_rss_context_alloc(
150 __out uint32_t *rss_contextp)
153 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN,
154 MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN)];
155 uint32_t rss_context;
158 (void) memset(payload, 0, sizeof (payload));
159 req.emr_cmd = MC_CMD_RSS_CONTEXT_ALLOC;
160 req.emr_in_buf = payload;
161 req.emr_in_length = MC_CMD_RSS_CONTEXT_ALLOC_IN_LEN;
162 req.emr_out_buf = payload;
163 req.emr_out_length = MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN;
165 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_UPSTREAM_PORT_ID,
166 EVB_PORT_ID_ASSIGNED);
167 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_TYPE,
168 MC_CMD_RSS_CONTEXT_ALLOC_IN_TYPE_EXCLUSIVE);
169 /* NUM_QUEUES is only used to validate indirection table offsets */
170 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_ALLOC_IN_NUM_QUEUES, 64);
172 efx_mcdi_execute(enp, &req);
174 if (req.emr_rc != 0) {
179 if (req.emr_out_length_used < MC_CMD_RSS_CONTEXT_ALLOC_OUT_LEN) {
184 rss_context = MCDI_OUT_DWORD(req, RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID);
185 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
190 *rss_contextp = rss_context;
199 EFSYS_PROBE1(fail1, efx_rc_t, rc);
203 #endif /* EFSYS_OPT_RX_SCALE */
205 #if EFSYS_OPT_RX_SCALE
207 efx_mcdi_rss_context_free(
209 __in uint32_t rss_context)
212 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_FREE_IN_LEN,
213 MC_CMD_RSS_CONTEXT_FREE_OUT_LEN)];
216 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
221 (void) memset(payload, 0, sizeof (payload));
222 req.emr_cmd = MC_CMD_RSS_CONTEXT_FREE;
223 req.emr_in_buf = payload;
224 req.emr_in_length = MC_CMD_RSS_CONTEXT_FREE_IN_LEN;
225 req.emr_out_buf = payload;
226 req.emr_out_length = MC_CMD_RSS_CONTEXT_FREE_OUT_LEN;
228 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_FREE_IN_RSS_CONTEXT_ID, rss_context);
230 efx_mcdi_execute(enp, &req);
232 if (req.emr_rc != 0) {
242 EFSYS_PROBE1(fail1, efx_rc_t, rc);
246 #endif /* EFSYS_OPT_RX_SCALE */
248 #if EFSYS_OPT_RX_SCALE
250 efx_mcdi_rss_context_set_flags(
252 __in uint32_t rss_context,
253 __in efx_rx_hash_type_t type)
256 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN,
257 MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN)];
260 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
265 (void) memset(payload, 0, sizeof (payload));
266 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_FLAGS;
267 req.emr_in_buf = payload;
268 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_IN_LEN;
269 req.emr_out_buf = payload;
270 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_FLAGS_OUT_LEN;
272 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_FLAGS_IN_RSS_CONTEXT_ID,
275 MCDI_IN_POPULATE_DWORD_4(req, RSS_CONTEXT_SET_FLAGS_IN_FLAGS,
276 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV4_EN,
277 (type & (1U << EFX_RX_HASH_IPV4)) ? 1 : 0,
278 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV4_EN,
279 (type & (1U << EFX_RX_HASH_TCPIPV4)) ? 1 : 0,
280 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_IPV6_EN,
281 (type & (1U << EFX_RX_HASH_IPV6)) ? 1 : 0,
282 RSS_CONTEXT_SET_FLAGS_IN_TOEPLITZ_TCPV6_EN,
283 (type & (1U << EFX_RX_HASH_TCPIPV6)) ? 1 : 0);
285 efx_mcdi_execute(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_key(
307 __in uint32_t rss_context,
308 __in_ecount(n) uint8_t *key,
312 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN,
313 MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN)];
316 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
321 (void) memset(payload, 0, sizeof (payload));
322 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_KEY;
323 req.emr_in_buf = payload;
324 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_KEY_IN_LEN;
325 req.emr_out_buf = payload;
326 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_KEY_OUT_LEN;
328 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_KEY_IN_RSS_CONTEXT_ID,
331 EFSYS_ASSERT3U(n, ==, MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN);
332 if (n != MC_CMD_RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY_LEN) {
337 memcpy(MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_KEY_IN_TOEPLITZ_KEY),
340 efx_mcdi_execute(enp, &req);
342 if (req.emr_rc != 0) {
354 EFSYS_PROBE1(fail1, efx_rc_t, rc);
358 #endif /* EFSYS_OPT_RX_SCALE */
360 #if EFSYS_OPT_RX_SCALE
362 efx_mcdi_rss_context_set_table(
364 __in uint32_t rss_context,
365 __in_ecount(n) unsigned int *table,
369 uint8_t payload[MAX(MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN,
370 MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN)];
374 if (rss_context == EF10_RSS_CONTEXT_INVALID) {
379 (void) memset(payload, 0, sizeof (payload));
380 req.emr_cmd = MC_CMD_RSS_CONTEXT_SET_TABLE;
381 req.emr_in_buf = payload;
382 req.emr_in_length = MC_CMD_RSS_CONTEXT_SET_TABLE_IN_LEN;
383 req.emr_out_buf = payload;
384 req.emr_out_length = MC_CMD_RSS_CONTEXT_SET_TABLE_OUT_LEN;
386 MCDI_IN_SET_DWORD(req, RSS_CONTEXT_SET_TABLE_IN_RSS_CONTEXT_ID,
390 MCDI_IN2(req, uint8_t, RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE);
393 i < MC_CMD_RSS_CONTEXT_SET_TABLE_IN_INDIRECTION_TABLE_LEN;
395 req_table[i] = (n > 0) ? (uint8_t)table[i % n] : 0;
398 efx_mcdi_execute(enp, &req);
400 if (req.emr_rc != 0) {
410 EFSYS_PROBE1(fail1, efx_rc_t, rc);
414 #endif /* EFSYS_OPT_RX_SCALE */
417 __checkReturn efx_rc_t
421 #if EFSYS_OPT_RX_SCALE
423 if (efx_mcdi_rss_context_alloc(enp, &enp->en_rss_context) == 0) {
425 * Allocated an exclusive RSS context, which allows both the
426 * indirection table and key to be modified.
428 enp->en_rss_support = EFX_RX_SCALE_EXCLUSIVE;
429 enp->en_hash_support = EFX_RX_HASH_AVAILABLE;
432 * Failed to allocate an exclusive RSS context. Continue
433 * operation without support for RSS. The pseudo-header in
434 * received packets will not contain a Toeplitz hash value.
436 enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
437 enp->en_hash_support = EFX_RX_HASH_UNAVAILABLE;
440 #endif /* EFSYS_OPT_RX_SCALE */
445 #if EFSYS_OPT_RX_HDR_SPLIT
446 __checkReturn efx_rc_t
447 ef10_rx_hdr_split_enable(
449 __in unsigned int hdr_buf_size,
450 __in unsigned int pld_buf_size)
455 _NOTE(ARGUNUSED(enp, hdr_buf_size, pld_buf_size))
465 EFSYS_PROBE1(fail1, efx_rc_t, rc);
469 #endif /* EFSYS_OPT_RX_HDR_SPLIT */
471 #if EFSYS_OPT_RX_SCATTER
472 __checkReturn efx_rc_t
473 ef10_rx_scatter_enable(
475 __in unsigned int buf_size)
477 _NOTE(ARGUNUSED(enp, buf_size))
480 #endif /* EFSYS_OPT_RX_SCATTER */
482 #if EFSYS_OPT_RX_SCALE
483 __checkReturn efx_rc_t
484 ef10_rx_scale_mode_set(
486 __in efx_rx_hash_alg_t alg,
487 __in efx_rx_hash_type_t type,
488 __in boolean_t insert)
492 EFSYS_ASSERT3U(alg, ==, EFX_RX_HASHALG_TOEPLITZ);
493 EFSYS_ASSERT3U(insert, ==, B_TRUE);
495 if ((alg != EFX_RX_HASHALG_TOEPLITZ) || (insert == B_FALSE)) {
500 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
505 if ((rc = efx_mcdi_rss_context_set_flags(enp,
506 enp->en_rss_context, type)) != 0)
516 EFSYS_PROBE1(fail1, efx_rc_t, rc);
520 #endif /* EFSYS_OPT_RX_SCALE */
522 #if EFSYS_OPT_RX_SCALE
523 __checkReturn efx_rc_t
524 ef10_rx_scale_key_set(
526 __in_ecount(n) uint8_t *key,
531 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
536 if ((rc = efx_mcdi_rss_context_set_key(enp,
537 enp->en_rss_context, key, n)) != 0)
545 EFSYS_PROBE1(fail1, efx_rc_t, rc);
549 #endif /* EFSYS_OPT_RX_SCALE */
551 #if EFSYS_OPT_RX_SCALE
552 __checkReturn efx_rc_t
553 ef10_rx_scale_tbl_set(
555 __in_ecount(n) unsigned int *table,
560 if (enp->en_rss_support == EFX_RX_SCALE_UNAVAILABLE) {
565 if ((rc = efx_mcdi_rss_context_set_table(enp,
566 enp->en_rss_context, table, n)) != 0)
574 EFSYS_PROBE1(fail1, efx_rc_t, rc);
578 #endif /* EFSYS_OPT_RX_SCALE */
583 __in_ecount(n) efsys_dma_addr_t *addrp,
586 __in unsigned int completed,
587 __in unsigned int added)
594 /* The client driver must not overfill the queue */
595 EFSYS_ASSERT3U(added - completed + n, <=,
596 EFX_RXQ_LIMIT(erp->er_mask + 1));
598 id = added & (erp->er_mask);
599 for (i = 0; i < n; i++) {
600 EFSYS_PROBE4(rx_post, unsigned int, erp->er_index,
601 unsigned int, id, efsys_dma_addr_t, addrp[i],
604 EFX_POPULATE_QWORD_3(qword,
605 ESF_DZ_RX_KER_BYTE_CNT, (uint32_t)(size),
606 ESF_DZ_RX_KER_BUF_ADDR_DW0,
607 (uint32_t)(addrp[i] & 0xffffffff),
608 ESF_DZ_RX_KER_BUF_ADDR_DW1,
609 (uint32_t)(addrp[i] >> 32));
611 offset = id * sizeof (efx_qword_t);
612 EFSYS_MEM_WRITEQ(erp->er_esmp, offset, &qword);
614 id = (id + 1) & (erp->er_mask);
621 __in unsigned int added,
622 __inout unsigned int *pushedp)
624 efx_nic_t *enp = erp->er_enp;
625 unsigned int pushed = *pushedp;
629 /* Hardware has alignment restriction for WPTR */
630 wptr = P2ALIGN(added, HUNTINGTON_RX_WPTR_ALIGN);
636 /* Push the populated descriptors out */
637 wptr &= erp->er_mask;
639 EFX_POPULATE_DWORD_1(dword, ERF_DZ_RX_DESC_WPTR, wptr);
641 /* Guarantee ordering of memory (descriptors) and PIO (doorbell) */
642 EFX_DMA_SYNC_QUEUE_FOR_DEVICE(erp->er_esmp, erp->er_mask + 1,
643 wptr, pushed & erp->er_mask);
644 EFSYS_PIO_WRITE_BARRIER();
645 EFX_BAR_TBL_WRITED(enp, ER_DZ_RX_DESC_UPD_REG,
646 erp->er_index, &dword, B_FALSE);
649 __checkReturn efx_rc_t
653 efx_nic_t *enp = erp->er_enp;
656 if ((rc = efx_mcdi_fini_rxq(enp, erp->er_index)) != 0)
662 EFSYS_PROBE1(fail1, efx_rc_t, rc);
672 _NOTE(ARGUNUSED(erp))
676 __checkReturn efx_rc_t
679 __in unsigned int index,
680 __in unsigned int label,
681 __in efx_rxq_type_t type,
682 __in efsys_mem_t *esmp,
688 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
690 boolean_t disable_scatter;
692 _NOTE(ARGUNUSED(erp))
694 EFX_STATIC_ASSERT(EFX_EV_RX_NLABELS == (1 << ESF_DZ_RX_QLABEL_WIDTH));
695 EFSYS_ASSERT3U(label, <, EFX_EV_RX_NLABELS);
696 EFSYS_ASSERT3U(enp->en_rx_qcount + 1, <, encp->enc_rxq_limit);
698 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MAXNDESCS));
699 EFX_STATIC_ASSERT(ISP2(EFX_RXQ_MINNDESCS));
701 if (!ISP2(n) || (n < EFX_RXQ_MINNDESCS) || (n > EFX_RXQ_MAXNDESCS)) {
705 if (index >= encp->enc_rxq_limit) {
710 /* Scatter can only be disabled if the firmware supports doing so */
711 if ((type != EFX_RXQ_TYPE_SCATTER) &&
712 enp->en_nic_cfg.enc_rx_disable_scatter_supported) {
713 disable_scatter = B_TRUE;
715 disable_scatter = B_FALSE;
719 * Note: EFX_RXQ_TYPE_SPLIT_HEADER and EFX_RXQ_TYPE_SPLIT_PAYLOAD are
720 * not supported here.
723 if ((rc = efx_mcdi_init_rxq(enp, n, eep->ee_index, label, index,
724 esmp, disable_scatter)) != 0)
728 erp->er_label = label;
730 ef10_ev_rxlabel_init(eep, erp, label);
739 EFSYS_PROBE1(fail1, efx_rc_t, rc);
748 efx_nic_t *enp = erp->er_enp;
749 efx_evq_t *eep = erp->er_eep;
750 unsigned int label = erp->er_label;
752 ef10_ev_rxlabel_fini(eep, label);
754 EFSYS_ASSERT(enp->en_rx_qcount != 0);
757 EFSYS_KMEM_FREE(enp->en_esip, sizeof (efx_rxq_t), erp);
764 #if EFSYS_OPT_RX_SCALE
765 if (enp->en_rss_support != EFX_RX_SCALE_UNAVAILABLE) {
766 (void) efx_mcdi_rss_context_free(enp, enp->en_rss_context);
768 enp->en_rss_context = 0;
769 enp->en_rss_support = EFX_RX_SCALE_UNAVAILABLE;
771 _NOTE(ARGUNUSED(enp))
772 #endif /* EFSYS_OPT_RX_SCALE */
775 #endif /* EFSYS_OPT_HUNTINGTON */