1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2015 Mellanox Technologies, Ltd
13 #include <rte_malloc.h>
14 #include <rte_ethdev_driver.h>
15 #include <rte_ethdev_pci.h>
17 #include <rte_bus_pci.h>
18 #include <rte_common.h>
19 #include <rte_kvargs.h>
20 #include <rte_rwlock.h>
21 #include <rte_spinlock.h>
22 #include <rte_string_fns.h>
23 #include <rte_alarm.h>
24 #include <rte_cycles.h>
26 #include <mlx5_glue.h>
27 #include <mlx5_devx_cmds.h>
28 #include <mlx5_common.h>
29 #include <mlx5_common_os.h>
30 #include <mlx5_common_mp.h>
31 #include <mlx5_common_pci.h>
32 #include <mlx5_malloc.h>
34 #include "mlx5_defs.h"
36 #include "mlx5_utils.h"
37 #include "mlx5_rxtx.h"
38 #include "mlx5_autoconf.h"
40 #include "mlx5_flow.h"
41 #include "mlx5_flow_os.h"
42 #include "rte_pmd_mlx5.h"
44 /* Device parameter to enable RX completion queue compression. */
45 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
47 /* Device parameter to enable RX completion entry padding to 128B. */
48 #define MLX5_RXQ_CQE_PAD_EN "rxq_cqe_pad_en"
50 /* Device parameter to enable padding Rx packet to cacheline size. */
51 #define MLX5_RXQ_PKT_PAD_EN "rxq_pkt_pad_en"
53 /* Device parameter to enable Multi-Packet Rx queue. */
54 #define MLX5_RX_MPRQ_EN "mprq_en"
56 /* Device parameter to configure log 2 of the number of strides for MPRQ. */
57 #define MLX5_RX_MPRQ_LOG_STRIDE_NUM "mprq_log_stride_num"
59 /* Device parameter to configure log 2 of the stride size for MPRQ. */
60 #define MLX5_RX_MPRQ_LOG_STRIDE_SIZE "mprq_log_stride_size"
62 /* Device parameter to limit the size of memcpy'd packet for MPRQ. */
63 #define MLX5_RX_MPRQ_MAX_MEMCPY_LEN "mprq_max_memcpy_len"
65 /* Device parameter to set the minimum number of Rx queues to enable MPRQ. */
66 #define MLX5_RXQS_MIN_MPRQ "rxqs_min_mprq"
68 /* Device parameter to configure inline send. Deprecated, ignored.*/
69 #define MLX5_TXQ_INLINE "txq_inline"
71 /* Device parameter to limit packet size to inline with ordinary SEND. */
72 #define MLX5_TXQ_INLINE_MAX "txq_inline_max"
74 /* Device parameter to configure minimal data size to inline. */
75 #define MLX5_TXQ_INLINE_MIN "txq_inline_min"
77 /* Device parameter to limit packet size to inline with Enhanced MPW. */
78 #define MLX5_TXQ_INLINE_MPW "txq_inline_mpw"
81 * Device parameter to configure the number of TX queues threshold for
82 * enabling inline send.
84 #define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
87 * Device parameter to configure the number of TX queues threshold for
88 * enabling vectorized Tx, deprecated, ignored (no vectorized Tx routines).
90 #define MLX5_TXQS_MAX_VEC "txqs_max_vec"
92 /* Device parameter to enable multi-packet send WQEs. */
93 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
96 * Device parameter to force doorbell register mapping
97 * to non-cahed region eliminating the extra write memory barrier.
99 #define MLX5_TX_DB_NC "tx_db_nc"
102 * Device parameter to include 2 dsegs in the title WQEBB.
103 * Deprecated, ignored.
105 #define MLX5_TXQ_MPW_HDR_DSEG_EN "txq_mpw_hdr_dseg_en"
108 * Device parameter to limit the size of inlining packet.
109 * Deprecated, ignored.
111 #define MLX5_TXQ_MAX_INLINE_LEN "txq_max_inline_len"
114 * Device parameter to enable Tx scheduling on timestamps
115 * and specify the packet pacing granularity in nanoseconds.
117 #define MLX5_TX_PP "tx_pp"
120 * Device parameter to specify skew in nanoseconds on Tx datapath,
121 * it represents the time between SQ start WQE processing and
122 * appearing actual packet data on the wire.
124 #define MLX5_TX_SKEW "tx_skew"
127 * Device parameter to enable hardware Tx vector.
128 * Deprecated, ignored (no vectorized Tx routines anymore).
130 #define MLX5_TX_VEC_EN "tx_vec_en"
132 /* Device parameter to enable hardware Rx vector. */
133 #define MLX5_RX_VEC_EN "rx_vec_en"
135 /* Allow L3 VXLAN flow creation. */
136 #define MLX5_L3_VXLAN_EN "l3_vxlan_en"
138 /* Activate DV E-Switch flow steering. */
139 #define MLX5_DV_ESW_EN "dv_esw_en"
141 /* Activate DV flow steering. */
142 #define MLX5_DV_FLOW_EN "dv_flow_en"
144 /* Enable extensive flow metadata support. */
145 #define MLX5_DV_XMETA_EN "dv_xmeta_en"
147 /* Device parameter to let the user manage the lacp traffic of bonded device */
148 #define MLX5_LACP_BY_USER "lacp_by_user"
150 /* Activate Netlink support in VF mode. */
151 #define MLX5_VF_NL_EN "vf_nl_en"
153 /* Enable extending memsegs when creating a MR. */
154 #define MLX5_MR_EXT_MEMSEG_EN "mr_ext_memseg_en"
156 /* Select port representors to instantiate. */
157 #define MLX5_REPRESENTOR "representor"
159 /* Device parameter to configure the maximum number of dump files per queue. */
160 #define MLX5_MAX_DUMP_FILES_NUM "max_dump_files_num"
162 /* Configure timeout of LRO session (in microseconds). */
163 #define MLX5_LRO_TIMEOUT_USEC "lro_timeout_usec"
166 * Device parameter to configure the total data buffer size for a single
167 * hairpin queue (logarithm value).
169 #define MLX5_HP_BUF_SIZE "hp_buf_log_sz"
171 /* Flow memory reclaim mode. */
172 #define MLX5_RECLAIM_MEM "reclaim_mem_mode"
174 /* The default memory allocator used in PMD. */
175 #define MLX5_SYS_MEM_EN "sys_mem_en"
176 /* Decap will be used or not. */
177 #define MLX5_DECAP_EN "decap_en"
179 /* Shared memory between primary and secondary processes. */
180 struct mlx5_shared_data *mlx5_shared_data;
182 /** Driver-specific log messages type. */
185 static LIST_HEAD(, mlx5_dev_ctx_shared) mlx5_dev_ctx_list =
186 LIST_HEAD_INITIALIZER();
187 static pthread_mutex_t mlx5_dev_ctx_list_mutex = PTHREAD_MUTEX_INITIALIZER;
189 static const struct mlx5_indexed_pool_config mlx5_ipool_cfg[] = {
190 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
191 [MLX5_IPOOL_DECAP_ENCAP] = {
192 .size = sizeof(struct mlx5_flow_dv_encap_decap_resource),
198 .malloc = mlx5_malloc,
200 .type = "mlx5_encap_decap_ipool",
202 [MLX5_IPOOL_PUSH_VLAN] = {
203 .size = sizeof(struct mlx5_flow_dv_push_vlan_action_resource),
209 .malloc = mlx5_malloc,
211 .type = "mlx5_push_vlan_ipool",
214 .size = sizeof(struct mlx5_flow_dv_tag_resource),
220 .malloc = mlx5_malloc,
222 .type = "mlx5_tag_ipool",
224 [MLX5_IPOOL_PORT_ID] = {
225 .size = sizeof(struct mlx5_flow_dv_port_id_action_resource),
231 .malloc = mlx5_malloc,
233 .type = "mlx5_port_id_ipool",
235 [MLX5_IPOOL_JUMP] = {
236 .size = sizeof(struct mlx5_flow_tbl_data_entry),
242 .malloc = mlx5_malloc,
244 .type = "mlx5_jump_ipool",
246 [MLX5_IPOOL_SAMPLE] = {
247 .size = sizeof(struct mlx5_flow_dv_sample_resource),
253 .malloc = mlx5_malloc,
255 .type = "mlx5_sample_ipool",
257 [MLX5_IPOOL_DEST_ARRAY] = {
258 .size = sizeof(struct mlx5_flow_dv_dest_array_resource),
264 .malloc = mlx5_malloc,
266 .type = "mlx5_dest_array_ipool",
268 [MLX5_IPOOL_TUNNEL_ID] = {
269 .size = sizeof(struct mlx5_flow_tunnel),
270 .trunk_size = MLX5_MAX_TUNNELS,
273 .type = "mlx5_tunnel_offload",
275 [MLX5_IPOOL_TNL_TBL_ID] = {
278 .type = "mlx5_flow_tnl_tbl_ipool",
282 .size = sizeof(struct mlx5_flow_meter),
288 .malloc = mlx5_malloc,
290 .type = "mlx5_meter_ipool",
293 .size = sizeof(struct mlx5_flow_mreg_copy_resource),
299 .malloc = mlx5_malloc,
301 .type = "mlx5_mcp_ipool",
303 [MLX5_IPOOL_HRXQ] = {
304 .size = (sizeof(struct mlx5_hrxq) + MLX5_RSS_HASH_KEY_LEN),
310 .malloc = mlx5_malloc,
312 .type = "mlx5_hrxq_ipool",
314 [MLX5_IPOOL_MLX5_FLOW] = {
316 * MLX5_IPOOL_MLX5_FLOW size varies for DV and VERBS flows.
317 * It set in run time according to PCI function configuration.
325 .malloc = mlx5_malloc,
327 .type = "mlx5_flow_handle_ipool",
329 [MLX5_IPOOL_RTE_FLOW] = {
330 .size = sizeof(struct rte_flow),
334 .malloc = mlx5_malloc,
336 .type = "rte_flow_ipool",
338 [MLX5_IPOOL_RSS_EXPANTION_FLOW_ID] = {
341 .type = "mlx5_flow_rss_id_ipool",
343 [MLX5_IPOOL_RSS_SHARED_ACTIONS] = {
344 .size = sizeof(struct mlx5_shared_action_rss),
350 .malloc = mlx5_malloc,
352 .type = "mlx5_shared_action_rss",
357 #define MLX5_FLOW_MIN_ID_POOL_SIZE 512
358 #define MLX5_ID_GENERATION_ARRAY_FACTOR 16
360 #define MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE 4096
363 * Initialize the ASO aging management structure.
366 * Pointer to mlx5_dev_ctx_shared object to free
369 * 0 on success, a negative errno value otherwise and rte_errno is set.
372 mlx5_flow_aso_age_mng_init(struct mlx5_dev_ctx_shared *sh)
378 sh->aso_age_mng = mlx5_malloc(MLX5_MEM_ZERO, sizeof(*sh->aso_age_mng),
379 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
380 if (!sh->aso_age_mng) {
381 DRV_LOG(ERR, "aso_age_mng allocation was failed.");
385 err = mlx5_aso_queue_init(sh);
387 mlx5_free(sh->aso_age_mng);
390 rte_spinlock_init(&sh->aso_age_mng->resize_sl);
391 rte_spinlock_init(&sh->aso_age_mng->free_sl);
392 LIST_INIT(&sh->aso_age_mng->free);
397 * Close and release all the resources of the ASO aging management structure.
400 * Pointer to mlx5_dev_ctx_shared object to free.
403 mlx5_flow_aso_age_mng_close(struct mlx5_dev_ctx_shared *sh)
407 mlx5_aso_queue_stop(sh);
408 mlx5_aso_queue_uninit(sh);
409 if (sh->aso_age_mng->pools) {
410 struct mlx5_aso_age_pool *pool;
412 for (i = 0; i < sh->aso_age_mng->next; ++i) {
413 pool = sh->aso_age_mng->pools[i];
414 claim_zero(mlx5_devx_cmd_destroy
415 (pool->flow_hit_aso_obj));
416 for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j)
417 if (pool->actions[j].dr_action)
419 (mlx5_flow_os_destroy_flow_action
420 (pool->actions[j].dr_action));
423 mlx5_free(sh->aso_age_mng->pools);
425 mlx5_free(sh->aso_age_mng);
429 * Initialize the shared aging list information per port.
432 * Pointer to mlx5_dev_ctx_shared object.
435 mlx5_flow_aging_init(struct mlx5_dev_ctx_shared *sh)
438 struct mlx5_age_info *age_info;
440 for (i = 0; i < sh->max_port; i++) {
441 age_info = &sh->port[i].age_info;
443 TAILQ_INIT(&age_info->aged_counters);
444 LIST_INIT(&age_info->aged_aso);
445 rte_spinlock_init(&age_info->aged_sl);
446 MLX5_AGE_SET(age_info, MLX5_AGE_TRIGGER);
451 * Initialize the counters management structure.
454 * Pointer to mlx5_dev_ctx_shared object to free
457 mlx5_flow_counters_mng_init(struct mlx5_dev_ctx_shared *sh)
461 memset(&sh->cmng, 0, sizeof(sh->cmng));
462 TAILQ_INIT(&sh->cmng.flow_counters);
463 sh->cmng.min_id = MLX5_CNT_BATCH_OFFSET;
464 sh->cmng.max_id = -1;
465 sh->cmng.last_pool_idx = POOL_IDX_INVALID;
466 rte_spinlock_init(&sh->cmng.pool_update_sl);
467 for (i = 0; i < MLX5_COUNTER_TYPE_MAX; i++) {
468 TAILQ_INIT(&sh->cmng.counters[i]);
469 rte_spinlock_init(&sh->cmng.csl[i]);
474 * Destroy all the resources allocated for a counter memory management.
477 * Pointer to the memory management structure.
480 mlx5_flow_destroy_counter_stat_mem_mng(struct mlx5_counter_stats_mem_mng *mng)
482 uint8_t *mem = (uint8_t *)(uintptr_t)mng->raws[0].data;
484 LIST_REMOVE(mng, next);
485 claim_zero(mlx5_devx_cmd_destroy(mng->dm));
486 claim_zero(mlx5_os_umem_dereg(mng->umem));
491 * Close and release all the resources of the counters management.
494 * Pointer to mlx5_dev_ctx_shared object to free.
497 mlx5_flow_counters_mng_close(struct mlx5_dev_ctx_shared *sh)
499 struct mlx5_counter_stats_mem_mng *mng;
505 rte_eal_alarm_cancel(mlx5_flow_query_alarm, sh);
506 if (rte_errno != EINPROGRESS)
511 if (sh->cmng.pools) {
512 struct mlx5_flow_counter_pool *pool;
513 uint16_t n_valid = sh->cmng.n_valid;
514 bool fallback = sh->cmng.counter_fallback;
516 for (i = 0; i < n_valid; ++i) {
517 pool = sh->cmng.pools[i];
518 if (!fallback && pool->min_dcs)
519 claim_zero(mlx5_devx_cmd_destroy
521 for (j = 0; j < MLX5_COUNTERS_PER_POOL; ++j) {
522 struct mlx5_flow_counter *cnt =
523 MLX5_POOL_GET_CNT(pool, j);
527 (mlx5_flow_os_destroy_flow_action
529 if (fallback && MLX5_POOL_GET_CNT
530 (pool, j)->dcs_when_free)
531 claim_zero(mlx5_devx_cmd_destroy
532 (cnt->dcs_when_free));
536 mlx5_free(sh->cmng.pools);
538 mng = LIST_FIRST(&sh->cmng.mem_mngs);
540 mlx5_flow_destroy_counter_stat_mem_mng(mng);
541 mng = LIST_FIRST(&sh->cmng.mem_mngs);
543 memset(&sh->cmng, 0, sizeof(sh->cmng));
546 /* Send FLOW_AGED event if needed. */
548 mlx5_age_event_prepare(struct mlx5_dev_ctx_shared *sh)
550 struct mlx5_age_info *age_info;
553 for (i = 0; i < sh->max_port; i++) {
554 age_info = &sh->port[i].age_info;
555 if (!MLX5_AGE_GET(age_info, MLX5_AGE_EVENT_NEW))
557 if (MLX5_AGE_GET(age_info, MLX5_AGE_TRIGGER))
558 rte_eth_dev_callback_process
559 (&rte_eth_devices[sh->port[i].devx_ih_port_id],
560 RTE_ETH_EVENT_FLOW_AGED, NULL);
566 * Initialize the flow resources' indexed mempool.
569 * Pointer to mlx5_dev_ctx_shared object.
571 * Pointer to user dev config.
574 mlx5_flow_ipool_create(struct mlx5_dev_ctx_shared *sh,
575 const struct mlx5_dev_config *config)
578 struct mlx5_indexed_pool_config cfg;
580 for (i = 0; i < MLX5_IPOOL_MAX; ++i) {
581 cfg = mlx5_ipool_cfg[i];
586 * Set MLX5_IPOOL_MLX5_FLOW ipool size
587 * according to PCI function flow configuration.
589 case MLX5_IPOOL_MLX5_FLOW:
590 cfg.size = config->dv_flow_en ?
591 sizeof(struct mlx5_flow_handle) :
592 MLX5_FLOW_HANDLE_VERBS_SIZE;
595 if (config->reclaim_mode)
596 cfg.release_mem_en = 1;
597 sh->ipool[i] = mlx5_ipool_create(&cfg);
602 * Release the flow resources' indexed mempool.
605 * Pointer to mlx5_dev_ctx_shared object.
608 mlx5_flow_ipool_destroy(struct mlx5_dev_ctx_shared *sh)
612 for (i = 0; i < MLX5_IPOOL_MAX; ++i)
613 mlx5_ipool_destroy(sh->ipool[i]);
617 * Check if dynamic flex parser for eCPRI already exists.
620 * Pointer to Ethernet device structure.
623 * true on exists, false on not.
626 mlx5_flex_parser_ecpri_exist(struct rte_eth_dev *dev)
628 struct mlx5_priv *priv = dev->data->dev_private;
629 struct mlx5_flex_parser_profiles *prf =
630 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
636 * Allocation of a flex parser for eCPRI. Once created, this parser related
637 * resources will be held until the device is closed.
640 * Pointer to Ethernet device structure.
643 * 0 on success, a negative errno value otherwise and rte_errno is set.
646 mlx5_flex_parser_ecpri_alloc(struct rte_eth_dev *dev)
648 struct mlx5_priv *priv = dev->data->dev_private;
649 struct mlx5_flex_parser_profiles *prf =
650 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
651 struct mlx5_devx_graph_node_attr node = {
652 .modify_field_select = 0,
657 if (!priv->config.hca_attr.parse_graph_flex_node) {
658 DRV_LOG(ERR, "Dynamic flex parser is not supported "
659 "for device %s.", priv->dev_data->name);
662 node.header_length_mode = MLX5_GRAPH_NODE_LEN_FIXED;
663 /* 8 bytes now: 4B common header + 4B message body header. */
664 node.header_length_base_value = 0x8;
665 /* After MAC layer: Ether / VLAN. */
666 node.in[0].arc_parse_graph_node = MLX5_GRAPH_ARC_NODE_MAC;
667 /* Type of compared condition should be 0xAEFE in the L2 layer. */
668 node.in[0].compare_condition_value = RTE_ETHER_TYPE_ECPRI;
669 /* Sample #0: type in common header. */
670 node.sample[0].flow_match_sample_en = 1;
672 node.sample[0].flow_match_sample_offset_mode = 0x0;
673 /* Only the 2nd byte will be used. */
674 node.sample[0].flow_match_sample_field_base_offset = 0x0;
675 /* Sample #1: message payload. */
676 node.sample[1].flow_match_sample_en = 1;
678 node.sample[1].flow_match_sample_offset_mode = 0x0;
680 * Only the first two bytes will be used right now, and its offset will
681 * start after the common header that with the length of a DW(u32).
683 node.sample[1].flow_match_sample_field_base_offset = sizeof(uint32_t);
684 prf->obj = mlx5_devx_cmd_create_flex_parser(priv->sh->ctx, &node);
686 DRV_LOG(ERR, "Failed to create flex parser node object.");
687 return (rte_errno == 0) ? -ENODEV : -rte_errno;
690 ret = mlx5_devx_cmd_query_parse_samples(prf->obj, ids, prf->num);
692 DRV_LOG(ERR, "Failed to query sample IDs.");
693 return (rte_errno == 0) ? -ENODEV : -rte_errno;
695 prf->offset[0] = 0x0;
696 prf->offset[1] = sizeof(uint32_t);
697 prf->ids[0] = ids[0];
698 prf->ids[1] = ids[1];
703 * Destroy the flex parser node, including the parser itself, input / output
704 * arcs and DW samples. Resources could be reused then.
707 * Pointer to Ethernet device structure.
710 mlx5_flex_parser_ecpri_release(struct rte_eth_dev *dev)
712 struct mlx5_priv *priv = dev->data->dev_private;
713 struct mlx5_flex_parser_profiles *prf =
714 &priv->sh->fp[MLX5_FLEX_PARSER_ECPRI_0];
717 mlx5_devx_cmd_destroy(prf->obj);
722 * Allocate Rx and Tx UARs in robust fashion.
723 * This routine handles the following UAR allocation issues:
725 * - tries to allocate the UAR with the most appropriate memory
726 * mapping type from the ones supported by the host
728 * - tries to allocate the UAR with non-NULL base address
729 * OFED 5.0.x and Upstream rdma_core before v29 returned the NULL as
730 * UAR base address if UAR was not the first object in the UAR page.
731 * It caused the PMD failure and we should try to get another UAR
732 * till we get the first one with non-NULL base address returned.
735 mlx5_alloc_rxtx_uars(struct mlx5_dev_ctx_shared *sh,
736 const struct mlx5_dev_config *config)
738 uint32_t uar_mapping, retry;
742 for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
743 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
744 /* Control the mapping type according to the settings. */
745 uar_mapping = (config->dbnc == MLX5_TXDB_NCACHED) ?
746 MLX5DV_UAR_ALLOC_TYPE_NC :
747 MLX5DV_UAR_ALLOC_TYPE_BF;
749 RTE_SET_USED(config);
751 * It seems we have no way to control the memory mapping type
752 * for the UAR, the default "Write-Combining" type is supposed.
753 * The UAR initialization on queue creation queries the
754 * actual mapping type done by Verbs/kernel and setups the
755 * PMD datapath accordingly.
759 sh->tx_uar = mlx5_glue->devx_alloc_uar(sh->ctx, uar_mapping);
760 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
762 uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
763 if (config->dbnc == MLX5_TXDB_CACHED ||
764 config->dbnc == MLX5_TXDB_HEURISTIC)
765 DRV_LOG(WARNING, "Devarg tx_db_nc setting "
766 "is not supported by DevX");
768 * In some environments like virtual machine
769 * the Write Combining mapped might be not supported
770 * and UAR allocation fails. We try "Non-Cached"
771 * mapping for the case. The tx_burst routines take
772 * the UAR mapping type into account on UAR setup
775 DRV_LOG(WARNING, "Failed to allocate Tx DevX UAR (BF)");
776 uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
777 sh->tx_uar = mlx5_glue->devx_alloc_uar
778 (sh->ctx, uar_mapping);
779 } else if (!sh->tx_uar &&
780 uar_mapping == MLX5DV_UAR_ALLOC_TYPE_NC) {
781 if (config->dbnc == MLX5_TXDB_NCACHED)
782 DRV_LOG(WARNING, "Devarg tx_db_nc settings "
783 "is not supported by DevX");
785 * If Verbs/kernel does not support "Non-Cached"
786 * try the "Write-Combining".
788 DRV_LOG(WARNING, "Failed to allocate Tx DevX UAR (NC)");
789 uar_mapping = MLX5DV_UAR_ALLOC_TYPE_BF;
790 sh->tx_uar = mlx5_glue->devx_alloc_uar
791 (sh->ctx, uar_mapping);
795 DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (BF/NC)");
799 base_addr = mlx5_os_get_devx_uar_base_addr(sh->tx_uar);
803 * The UARs are allocated by rdma_core within the
804 * IB device context, on context closure all UARs
805 * will be freed, should be no memory/object leakage.
807 DRV_LOG(WARNING, "Retrying to allocate Tx DevX UAR");
810 /* Check whether we finally succeeded with valid UAR allocation. */
812 DRV_LOG(ERR, "Failed to allocate Tx DevX UAR (NULL base)");
816 for (retry = 0; retry < MLX5_ALLOC_UAR_RETRY; ++retry) {
818 sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
819 (sh->ctx, uar_mapping);
820 #ifdef MLX5DV_UAR_ALLOC_TYPE_NC
821 if (!sh->devx_rx_uar &&
822 uar_mapping == MLX5DV_UAR_ALLOC_TYPE_BF) {
824 * Rx UAR is used to control interrupts only,
825 * should be no datapath noticeable impact,
826 * can try "Non-Cached" mapping safely.
828 DRV_LOG(WARNING, "Failed to allocate Rx DevX UAR (BF)");
829 uar_mapping = MLX5DV_UAR_ALLOC_TYPE_NC;
830 sh->devx_rx_uar = mlx5_glue->devx_alloc_uar
831 (sh->ctx, uar_mapping);
834 if (!sh->devx_rx_uar) {
835 DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (BF/NC)");
839 base_addr = mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar);
843 * The UARs are allocated by rdma_core within the
844 * IB device context, on context closure all UARs
845 * will be freed, should be no memory/object leakage.
847 DRV_LOG(WARNING, "Retrying to allocate Rx DevX UAR");
848 sh->devx_rx_uar = NULL;
850 /* Check whether we finally succeeded with valid UAR allocation. */
851 if (!sh->devx_rx_uar) {
852 DRV_LOG(ERR, "Failed to allocate Rx DevX UAR (NULL base)");
860 * Allocate shared device context. If there is multiport device the
861 * master and representors will share this context, if there is single
862 * port dedicated device, the context will be used by only given
863 * port due to unification.
865 * Routine first searches the context for the specified device name,
866 * if found the shared context assumed and reference counter is incremented.
867 * If no context found the new one is created and initialized with specified
868 * device context and parameters.
871 * Pointer to the device attributes (name, port, etc).
873 * Pointer to device configuration structure.
876 * Pointer to mlx5_dev_ctx_shared object on success,
877 * otherwise NULL and rte_errno is set.
879 struct mlx5_dev_ctx_shared *
880 mlx5_alloc_shared_dev_ctx(const struct mlx5_dev_spawn_data *spawn,
881 const struct mlx5_dev_config *config)
883 struct mlx5_dev_ctx_shared *sh;
886 struct mlx5_devx_tis_attr tis_attr = { 0 };
889 /* Secondary process should not create the shared context. */
890 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
891 pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
892 /* Search for IB context by device name. */
893 LIST_FOREACH(sh, &mlx5_dev_ctx_list, next) {
894 if (!strcmp(sh->ibdev_name,
895 mlx5_os_get_dev_device_name(spawn->phys_dev))) {
900 /* No device found, we have to create new shared context. */
901 MLX5_ASSERT(spawn->max_port);
902 sh = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
903 sizeof(struct mlx5_dev_ctx_shared) +
905 sizeof(struct mlx5_dev_shared_port),
906 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
908 DRV_LOG(ERR, "shared context allocation failure");
912 err = mlx5_os_open_device(spawn, config, sh);
915 err = mlx5_os_get_dev_attr(sh->ctx, &sh->device_attr);
917 DRV_LOG(DEBUG, "mlx5_os_get_dev_attr() failed");
921 sh->bond_dev = UINT16_MAX;
922 sh->max_port = spawn->max_port;
923 strncpy(sh->ibdev_name, mlx5_os_get_ctx_device_name(sh->ctx),
924 sizeof(sh->ibdev_name) - 1);
925 strncpy(sh->ibdev_path, mlx5_os_get_ctx_device_path(sh->ctx),
926 sizeof(sh->ibdev_path) - 1);
928 * Setting port_id to max unallowed value means
929 * there is no interrupt subhandler installed for
930 * the given port index i.
932 for (i = 0; i < sh->max_port; i++) {
933 sh->port[i].ih_port_id = RTE_MAX_ETHPORTS;
934 sh->port[i].devx_ih_port_id = RTE_MAX_ETHPORTS;
936 sh->pd = mlx5_os_alloc_pd(sh->ctx);
937 if (sh->pd == NULL) {
938 DRV_LOG(ERR, "PD allocation failure");
943 /* Query the EQN for this core. */
944 err = mlx5_glue->devx_query_eqn(sh->ctx, 0, &sh->eqn);
947 DRV_LOG(ERR, "Failed to query event queue number %d.",
951 err = mlx5_os_get_pdn(sh->pd, &sh->pdn);
953 DRV_LOG(ERR, "Fail to extract pdn from PD");
956 sh->td = mlx5_devx_cmd_create_td(sh->ctx);
958 DRV_LOG(ERR, "TD allocation failure");
962 tis_attr.transport_domain = sh->td->id;
963 sh->tis = mlx5_devx_cmd_create_tis(sh->ctx, &tis_attr);
965 DRV_LOG(ERR, "TIS allocation failure");
969 err = mlx5_alloc_rxtx_uars(sh, config);
972 MLX5_ASSERT(sh->tx_uar);
973 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->tx_uar));
975 MLX5_ASSERT(sh->devx_rx_uar);
976 MLX5_ASSERT(mlx5_os_get_devx_uar_base_addr(sh->devx_rx_uar));
979 /* Initialize UAR access locks for 32bit implementations. */
980 rte_spinlock_init(&sh->uar_lock_cq);
981 for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
982 rte_spinlock_init(&sh->uar_lock[i]);
985 * Once the device is added to the list of memory event
986 * callback, its global MR cache table cannot be expanded
987 * on the fly because of deadlock. If it overflows, lookup
988 * should be done by searching MR list linearly, which is slow.
990 * At this point the device is not added to the memory
991 * event list yet, context is just being created.
993 err = mlx5_mr_btree_init(&sh->share_cache.cache,
994 MLX5_MR_BTREE_CACHE_N * 2,
995 spawn->pci_dev->device.numa_node);
1000 mlx5_os_set_reg_mr_cb(&sh->share_cache.reg_mr_cb,
1001 &sh->share_cache.dereg_mr_cb);
1002 mlx5_os_dev_shared_handler_install(sh);
1003 sh->cnt_id_tbl = mlx5_l3t_create(MLX5_L3T_TYPE_DWORD);
1004 if (!sh->cnt_id_tbl) {
1008 mlx5_flow_aging_init(sh);
1009 mlx5_flow_counters_mng_init(sh);
1010 mlx5_flow_ipool_create(sh, config);
1011 /* Add device to memory callback list. */
1012 rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1013 LIST_INSERT_HEAD(&mlx5_shared_data->mem_event_cb_list,
1015 rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1016 /* Add context to the global device list. */
1017 LIST_INSERT_HEAD(&mlx5_dev_ctx_list, sh, next);
1019 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1022 pthread_mutex_destroy(&sh->txpp.mutex);
1023 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1026 mlx5_l3t_destroy(sh->cnt_id_tbl);
1028 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1030 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1031 if (sh->devx_rx_uar)
1032 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1034 mlx5_glue->devx_free_uar(sh->tx_uar);
1036 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1038 claim_zero(mlx5_glue->close_device(sh->ctx));
1040 MLX5_ASSERT(err > 0);
1046 * Free shared IB device context. Decrement counter and if zero free
1047 * all allocated resources and close handles.
1050 * Pointer to mlx5_dev_ctx_shared object to free
1053 mlx5_free_shared_dev_ctx(struct mlx5_dev_ctx_shared *sh)
1055 pthread_mutex_lock(&mlx5_dev_ctx_list_mutex);
1056 #ifdef RTE_LIBRTE_MLX5_DEBUG
1057 /* Check the object presence in the list. */
1058 struct mlx5_dev_ctx_shared *lctx;
1060 LIST_FOREACH(lctx, &mlx5_dev_ctx_list, next)
1065 DRV_LOG(ERR, "Freeing non-existing shared IB context");
1070 MLX5_ASSERT(sh->refcnt);
1071 /* Secondary process should not free the shared context. */
1072 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1075 /* Remove from memory callback device list. */
1076 rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
1077 LIST_REMOVE(sh, mem_event_cb);
1078 rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
1079 /* Release created Memory Regions. */
1080 mlx5_mr_release_cache(&sh->share_cache);
1081 /* Remove context from the global device list. */
1082 LIST_REMOVE(sh, next);
1083 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1085 * Ensure there is no async event handler installed.
1086 * Only primary process handles async device events.
1088 mlx5_flow_counters_mng_close(sh);
1089 if (sh->aso_age_mng) {
1090 mlx5_flow_aso_age_mng_close(sh);
1091 sh->aso_age_mng = NULL;
1093 mlx5_flow_ipool_destroy(sh);
1094 mlx5_os_dev_shared_handler_uninstall(sh);
1095 if (sh->cnt_id_tbl) {
1096 mlx5_l3t_destroy(sh->cnt_id_tbl);
1097 sh->cnt_id_tbl = NULL;
1100 mlx5_glue->devx_free_uar(sh->tx_uar);
1104 claim_zero(mlx5_os_dealloc_pd(sh->pd));
1106 claim_zero(mlx5_devx_cmd_destroy(sh->tis));
1108 claim_zero(mlx5_devx_cmd_destroy(sh->td));
1109 if (sh->devx_rx_uar)
1110 mlx5_glue->devx_free_uar(sh->devx_rx_uar);
1112 claim_zero(mlx5_glue->close_device(sh->ctx));
1113 pthread_mutex_destroy(&sh->txpp.mutex);
1117 pthread_mutex_unlock(&mlx5_dev_ctx_list_mutex);
1121 * Destroy table hash list.
1124 * Pointer to the private device data structure.
1127 mlx5_free_table_hash_list(struct mlx5_priv *priv)
1129 struct mlx5_dev_ctx_shared *sh = priv->sh;
1133 mlx5_hlist_destroy(sh->flow_tbls);
1137 * Initialize flow table hash list and create the root tables entry
1141 * Pointer to the private device data structure.
1144 * Zero on success, positive error code otherwise.
1147 mlx5_alloc_table_hash_list(struct mlx5_priv *priv __rte_unused)
1150 /* Tables are only used in DV and DR modes. */
1151 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1152 struct mlx5_dev_ctx_shared *sh = priv->sh;
1153 char s[MLX5_HLIST_NAMESIZE];
1156 snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
1157 sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE,
1158 0, 0, flow_dv_tbl_create_cb,
1159 flow_dv_tbl_match_cb,
1160 flow_dv_tbl_remove_cb);
1161 if (!sh->flow_tbls) {
1162 DRV_LOG(ERR, "flow tables with hash creation failed.");
1166 sh->flow_tbls->ctx = sh;
1167 #ifndef HAVE_MLX5DV_DR
1168 struct rte_flow_error error;
1169 struct rte_eth_dev *dev = &rte_eth_devices[priv->dev_data->port_id];
1172 * In case we have not DR support, the zero tables should be created
1173 * because DV expect to see them even if they cannot be created by
1176 if (!flow_dv_tbl_resource_get(dev, 0, 0, 0, 0, NULL, 0, 1, &error) ||
1177 !flow_dv_tbl_resource_get(dev, 0, 1, 0, 0, NULL, 0, 1, &error) ||
1178 !flow_dv_tbl_resource_get(dev, 0, 0, 1, 0, NULL, 0, 1, &error)) {
1184 mlx5_free_table_hash_list(priv);
1185 #endif /* HAVE_MLX5DV_DR */
1191 * Retrieve integer value from environment variable.
1194 * Environment variable name.
1197 * Integer value, 0 if the variable is not set.
1200 mlx5_getenv_int(const char *name)
1202 const char *val = getenv(name);
1210 * DPDK callback to add udp tunnel port
1213 * A pointer to eth_dev
1214 * @param[in] udp_tunnel
1215 * A pointer to udp tunnel
1218 * 0 on valid udp ports and tunnels, -ENOTSUP otherwise.
1221 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
1222 struct rte_eth_udp_tunnel *udp_tunnel)
1224 MLX5_ASSERT(udp_tunnel != NULL);
1225 if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
1226 udp_tunnel->udp_port == 4789)
1228 if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN_GPE &&
1229 udp_tunnel->udp_port == 4790)
1235 * Initialize process private data structure.
1238 * Pointer to Ethernet device structure.
1241 * 0 on success, a negative errno value otherwise and rte_errno is set.
1244 mlx5_proc_priv_init(struct rte_eth_dev *dev)
1246 struct mlx5_priv *priv = dev->data->dev_private;
1247 struct mlx5_proc_priv *ppriv;
1251 * UAR register table follows the process private structure. BlueFlame
1252 * registers for Tx queues are stored in the table.
1255 sizeof(struct mlx5_proc_priv) + priv->txqs_n * sizeof(void *);
1256 ppriv = mlx5_malloc(MLX5_MEM_RTE, ppriv_size, RTE_CACHE_LINE_SIZE,
1257 dev->device->numa_node);
1262 ppriv->uar_table_sz = ppriv_size;
1263 dev->process_private = ppriv;
1268 * Un-initialize process private data structure.
1271 * Pointer to Ethernet device structure.
1274 mlx5_proc_priv_uninit(struct rte_eth_dev *dev)
1276 if (!dev->process_private)
1278 mlx5_free(dev->process_private);
1279 dev->process_private = NULL;
1283 * DPDK callback to close the device.
1285 * Destroy all queues and objects, free memory.
1288 * Pointer to Ethernet device structure.
1291 mlx5_dev_close(struct rte_eth_dev *dev)
1293 struct mlx5_priv *priv = dev->data->dev_private;
1297 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
1298 /* Check if process_private released. */
1299 if (!dev->process_private)
1301 mlx5_tx_uar_uninit_secondary(dev);
1302 mlx5_proc_priv_uninit(dev);
1303 rte_eth_dev_release_port(dev);
1308 DRV_LOG(DEBUG, "port %u closing device \"%s\"",
1310 ((priv->sh->ctx != NULL) ?
1311 mlx5_os_get_ctx_device_name(priv->sh->ctx) : ""));
1313 * If default mreg copy action is removed at the stop stage,
1314 * the search will return none and nothing will be done anymore.
1316 mlx5_flow_stop_default(dev);
1317 mlx5_traffic_disable(dev);
1319 * If all the flows are already flushed in the device stop stage,
1320 * then this will return directly without any action.
1322 mlx5_flow_list_flush(dev, &priv->flows, true);
1323 mlx5_shared_action_flush(dev);
1324 mlx5_flow_meter_flush(dev, NULL);
1325 /* Prevent crashes when queues are still in use. */
1326 dev->rx_pkt_burst = removed_rx_burst;
1327 dev->tx_pkt_burst = removed_tx_burst;
1329 /* Disable datapath on secondary process. */
1330 mlx5_mp_os_req_stop_rxtx(dev);
1331 /* Free the eCPRI flex parser resource. */
1332 mlx5_flex_parser_ecpri_release(dev);
1333 if (priv->rxqs != NULL) {
1334 /* XXX race condition if mlx5_rx_burst() is still running. */
1335 rte_delay_us_sleep(1000);
1336 for (i = 0; (i != priv->rxqs_n); ++i)
1337 mlx5_rxq_release(dev, i);
1341 if (priv->txqs != NULL) {
1342 /* XXX race condition if mlx5_tx_burst() is still running. */
1343 rte_delay_us_sleep(1000);
1344 for (i = 0; (i != priv->txqs_n); ++i)
1345 mlx5_txq_release(dev, i);
1349 mlx5_proc_priv_uninit(dev);
1350 if (priv->drop_queue.hrxq)
1351 mlx5_drop_action_destroy(dev);
1352 if (priv->mreg_cp_tbl)
1353 mlx5_hlist_destroy(priv->mreg_cp_tbl);
1354 mlx5_mprq_free_mp(dev);
1355 mlx5_os_free_shared_dr(priv);
1356 if (priv->rss_conf.rss_key != NULL)
1357 mlx5_free(priv->rss_conf.rss_key);
1358 if (priv->reta_idx != NULL)
1359 mlx5_free(priv->reta_idx);
1360 if (priv->config.vf)
1361 mlx5_os_mac_addr_flush(dev);
1362 if (priv->nl_socket_route >= 0)
1363 close(priv->nl_socket_route);
1364 if (priv->nl_socket_rdma >= 0)
1365 close(priv->nl_socket_rdma);
1366 if (priv->vmwa_context)
1367 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1368 ret = mlx5_hrxq_verify(dev);
1370 DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
1371 dev->data->port_id);
1372 ret = mlx5_ind_table_obj_verify(dev);
1374 DRV_LOG(WARNING, "port %u some indirection table still remain",
1375 dev->data->port_id);
1376 ret = mlx5_rxq_obj_verify(dev);
1378 DRV_LOG(WARNING, "port %u some Rx queue objects still remain",
1379 dev->data->port_id);
1380 ret = mlx5_rxq_verify(dev);
1382 DRV_LOG(WARNING, "port %u some Rx queues still remain",
1383 dev->data->port_id);
1384 ret = mlx5_txq_obj_verify(dev);
1386 DRV_LOG(WARNING, "port %u some Verbs Tx queue still remain",
1387 dev->data->port_id);
1388 ret = mlx5_txq_verify(dev);
1390 DRV_LOG(WARNING, "port %u some Tx queues still remain",
1391 dev->data->port_id);
1392 ret = mlx5_flow_verify(dev);
1394 DRV_LOG(WARNING, "port %u some flows still remain",
1395 dev->data->port_id);
1396 mlx5_cache_list_destroy(&priv->hrxqs);
1398 * Free the shared context in last turn, because the cleanup
1399 * routines above may use some shared fields, like
1400 * mlx5_os_mac_addr_flush() uses ibdev_path for retrieveing
1401 * ifindex if Netlink fails.
1403 mlx5_free_shared_dev_ctx(priv->sh);
1404 if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
1408 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
1409 struct mlx5_priv *opriv =
1410 rte_eth_devices[port_id].data->dev_private;
1413 opriv->domain_id != priv->domain_id ||
1414 &rte_eth_devices[port_id] == dev)
1420 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1422 memset(priv, 0, sizeof(*priv));
1423 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
1425 * Reset mac_addrs to NULL such that it is not freed as part of
1426 * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
1427 * it is freed when dev_private is freed.
1429 dev->data->mac_addrs = NULL;
1434 * Verify and store value for device argument.
1437 * Key argument to verify.
1439 * Value associated with key.
1444 * 0 on success, a negative errno value otherwise and rte_errno is set.
1447 mlx5_args_check(const char *key, const char *val, void *opaque)
1449 struct mlx5_dev_config *config = opaque;
1453 /* No-op, port representors are processed in mlx5_dev_spawn(). */
1454 if (!strcmp(MLX5_REPRESENTOR, key))
1457 tmp = strtol(val, NULL, 0);
1460 DRV_LOG(WARNING, "%s: \"%s\" is not a valid integer", key, val);
1463 if (tmp < 0 && strcmp(MLX5_TX_PP, key) && strcmp(MLX5_TX_SKEW, key)) {
1464 /* Negative values are acceptable for some keys only. */
1466 DRV_LOG(WARNING, "%s: invalid negative value \"%s\"", key, val);
1469 mod = tmp >= 0 ? tmp : -tmp;
1470 if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
1471 if (tmp > MLX5_CQE_RESP_FORMAT_L34H_STRIDX) {
1472 DRV_LOG(ERR, "invalid CQE compression "
1473 "format parameter");
1477 config->cqe_comp = !!tmp;
1478 config->cqe_comp_fmt = tmp;
1479 } else if (strcmp(MLX5_RXQ_CQE_PAD_EN, key) == 0) {
1480 config->cqe_pad = !!tmp;
1481 } else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) {
1482 config->hw_padding = !!tmp;
1483 } else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
1484 config->mprq.enabled = !!tmp;
1485 } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
1486 config->mprq.stride_num_n = tmp;
1487 } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_SIZE, key) == 0) {
1488 config->mprq.stride_size_n = tmp;
1489 } else if (strcmp(MLX5_RX_MPRQ_MAX_MEMCPY_LEN, key) == 0) {
1490 config->mprq.max_memcpy_len = tmp;
1491 } else if (strcmp(MLX5_RXQS_MIN_MPRQ, key) == 0) {
1492 config->mprq.min_rxqs_num = tmp;
1493 } else if (strcmp(MLX5_TXQ_INLINE, key) == 0) {
1494 DRV_LOG(WARNING, "%s: deprecated parameter,"
1495 " converted to txq_inline_max", key);
1496 config->txq_inline_max = tmp;
1497 } else if (strcmp(MLX5_TXQ_INLINE_MAX, key) == 0) {
1498 config->txq_inline_max = tmp;
1499 } else if (strcmp(MLX5_TXQ_INLINE_MIN, key) == 0) {
1500 config->txq_inline_min = tmp;
1501 } else if (strcmp(MLX5_TXQ_INLINE_MPW, key) == 0) {
1502 config->txq_inline_mpw = tmp;
1503 } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
1504 config->txqs_inline = tmp;
1505 } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
1506 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1507 } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
1508 config->mps = !!tmp;
1509 } else if (strcmp(MLX5_TX_DB_NC, key) == 0) {
1510 if (tmp != MLX5_TXDB_CACHED &&
1511 tmp != MLX5_TXDB_NCACHED &&
1512 tmp != MLX5_TXDB_HEURISTIC) {
1513 DRV_LOG(ERR, "invalid Tx doorbell "
1514 "mapping parameter");
1519 } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
1520 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1521 } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
1522 DRV_LOG(WARNING, "%s: deprecated parameter,"
1523 " converted to txq_inline_mpw", key);
1524 config->txq_inline_mpw = tmp;
1525 } else if (strcmp(MLX5_TX_VEC_EN, key) == 0) {
1526 DRV_LOG(WARNING, "%s: deprecated parameter, ignored", key);
1527 } else if (strcmp(MLX5_TX_PP, key) == 0) {
1529 DRV_LOG(ERR, "Zero Tx packet pacing parameter");
1533 config->tx_pp = tmp;
1534 } else if (strcmp(MLX5_TX_SKEW, key) == 0) {
1535 config->tx_skew = tmp;
1536 } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
1537 config->rx_vec_en = !!tmp;
1538 } else if (strcmp(MLX5_L3_VXLAN_EN, key) == 0) {
1539 config->l3_vxlan_en = !!tmp;
1540 } else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
1541 config->vf_nl_en = !!tmp;
1542 } else if (strcmp(MLX5_DV_ESW_EN, key) == 0) {
1543 config->dv_esw_en = !!tmp;
1544 } else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) {
1545 config->dv_flow_en = !!tmp;
1546 } else if (strcmp(MLX5_DV_XMETA_EN, key) == 0) {
1547 if (tmp != MLX5_XMETA_MODE_LEGACY &&
1548 tmp != MLX5_XMETA_MODE_META16 &&
1549 tmp != MLX5_XMETA_MODE_META32 &&
1550 tmp != MLX5_XMETA_MODE_MISS_INFO) {
1551 DRV_LOG(ERR, "invalid extensive "
1552 "metadata parameter");
1556 if (tmp != MLX5_XMETA_MODE_MISS_INFO)
1557 config->dv_xmeta_en = tmp;
1559 config->dv_miss_info = 1;
1560 } else if (strcmp(MLX5_LACP_BY_USER, key) == 0) {
1561 config->lacp_by_user = !!tmp;
1562 } else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
1563 config->mr_ext_memseg_en = !!tmp;
1564 } else if (strcmp(MLX5_MAX_DUMP_FILES_NUM, key) == 0) {
1565 config->max_dump_files_num = tmp;
1566 } else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
1567 config->lro.timeout = tmp;
1568 } else if (strcmp(MLX5_CLASS_ARG_NAME, key) == 0) {
1569 DRV_LOG(DEBUG, "class argument is %s.", val);
1570 } else if (strcmp(MLX5_HP_BUF_SIZE, key) == 0) {
1571 config->log_hp_size = tmp;
1572 } else if (strcmp(MLX5_RECLAIM_MEM, key) == 0) {
1573 if (tmp != MLX5_RCM_NONE &&
1574 tmp != MLX5_RCM_LIGHT &&
1575 tmp != MLX5_RCM_AGGR) {
1576 DRV_LOG(ERR, "Unrecognize %s: \"%s\"", key, val);
1580 config->reclaim_mode = tmp;
1581 } else if (strcmp(MLX5_SYS_MEM_EN, key) == 0) {
1582 config->sys_mem_en = !!tmp;
1583 } else if (strcmp(MLX5_DECAP_EN, key) == 0) {
1584 config->decap_en = !!tmp;
1586 DRV_LOG(WARNING, "%s: unknown parameter", key);
1594 * Parse device parameters.
1597 * Pointer to device configuration structure.
1599 * Device arguments structure.
1602 * 0 on success, a negative errno value otherwise and rte_errno is set.
1605 mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
1607 const char **params = (const char *[]){
1608 MLX5_RXQ_CQE_COMP_EN,
1609 MLX5_RXQ_CQE_PAD_EN,
1610 MLX5_RXQ_PKT_PAD_EN,
1612 MLX5_RX_MPRQ_LOG_STRIDE_NUM,
1613 MLX5_RX_MPRQ_LOG_STRIDE_SIZE,
1614 MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
1617 MLX5_TXQ_INLINE_MIN,
1618 MLX5_TXQ_INLINE_MAX,
1619 MLX5_TXQ_INLINE_MPW,
1620 MLX5_TXQS_MIN_INLINE,
1623 MLX5_TXQ_MPW_HDR_DSEG_EN,
1624 MLX5_TXQ_MAX_INLINE_LEN,
1636 MLX5_MR_EXT_MEMSEG_EN,
1638 MLX5_MAX_DUMP_FILES_NUM,
1639 MLX5_LRO_TIMEOUT_USEC,
1640 MLX5_CLASS_ARG_NAME,
1647 struct rte_kvargs *kvlist;
1651 if (devargs == NULL)
1653 /* Following UGLY cast is done to pass checkpatch. */
1654 kvlist = rte_kvargs_parse(devargs->args, params);
1655 if (kvlist == NULL) {
1659 /* Process parameters. */
1660 for (i = 0; (params[i] != NULL); ++i) {
1661 if (rte_kvargs_count(kvlist, params[i])) {
1662 ret = rte_kvargs_process(kvlist, params[i],
1663 mlx5_args_check, config);
1666 rte_kvargs_free(kvlist);
1671 rte_kvargs_free(kvlist);
1676 * Configures the minimal amount of data to inline into WQE
1677 * while sending packets.
1679 * - the txq_inline_min has the maximal priority, if this
1680 * key is specified in devargs
1681 * - if DevX is enabled the inline mode is queried from the
1682 * device (HCA attributes and NIC vport context if needed).
1683 * - otherwise L2 mode (18 bytes) is assumed for ConnectX-4/4 Lx
1684 * and none (0 bytes) for other NICs
1687 * Verbs device parameters (name, port, switch_info) to spawn.
1689 * Device configuration parameters.
1692 mlx5_set_min_inline(struct mlx5_dev_spawn_data *spawn,
1693 struct mlx5_dev_config *config)
1695 if (config->txq_inline_min != MLX5_ARG_UNSET) {
1696 /* Application defines size of inlined data explicitly. */
1697 switch (spawn->pci_dev->id.device_id) {
1698 case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
1699 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1700 if (config->txq_inline_min <
1701 (int)MLX5_INLINE_HSIZE_L2) {
1703 "txq_inline_mix aligned to minimal"
1704 " ConnectX-4 required value %d",
1705 (int)MLX5_INLINE_HSIZE_L2);
1706 config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
1712 if (config->hca_attr.eth_net_offloads) {
1713 /* We have DevX enabled, inline mode queried successfully. */
1714 switch (config->hca_attr.wqe_inline_mode) {
1715 case MLX5_CAP_INLINE_MODE_L2:
1716 /* outer L2 header must be inlined. */
1717 config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
1719 case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
1720 /* No inline data are required by NIC. */
1721 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
1722 config->hw_vlan_insert =
1723 config->hca_attr.wqe_vlan_insert;
1724 DRV_LOG(DEBUG, "Tx VLAN insertion is supported");
1726 case MLX5_CAP_INLINE_MODE_VPORT_CONTEXT:
1727 /* inline mode is defined by NIC vport context. */
1728 if (!config->hca_attr.eth_virt)
1730 switch (config->hca_attr.vport_inline_mode) {
1731 case MLX5_INLINE_MODE_NONE:
1732 config->txq_inline_min =
1733 MLX5_INLINE_HSIZE_NONE;
1735 case MLX5_INLINE_MODE_L2:
1736 config->txq_inline_min =
1737 MLX5_INLINE_HSIZE_L2;
1739 case MLX5_INLINE_MODE_IP:
1740 config->txq_inline_min =
1741 MLX5_INLINE_HSIZE_L3;
1743 case MLX5_INLINE_MODE_TCP_UDP:
1744 config->txq_inline_min =
1745 MLX5_INLINE_HSIZE_L4;
1747 case MLX5_INLINE_MODE_INNER_L2:
1748 config->txq_inline_min =
1749 MLX5_INLINE_HSIZE_INNER_L2;
1751 case MLX5_INLINE_MODE_INNER_IP:
1752 config->txq_inline_min =
1753 MLX5_INLINE_HSIZE_INNER_L3;
1755 case MLX5_INLINE_MODE_INNER_TCP_UDP:
1756 config->txq_inline_min =
1757 MLX5_INLINE_HSIZE_INNER_L4;
1763 * We get here if we are unable to deduce
1764 * inline data size with DevX. Try PCI ID
1765 * to determine old NICs.
1767 switch (spawn->pci_dev->id.device_id) {
1768 case PCI_DEVICE_ID_MELLANOX_CONNECTX4:
1769 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1770 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LX:
1771 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1772 config->txq_inline_min = MLX5_INLINE_HSIZE_L2;
1773 config->hw_vlan_insert = 0;
1775 case PCI_DEVICE_ID_MELLANOX_CONNECTX5:
1776 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1777 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EX:
1778 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1780 * These NICs support VLAN insertion from WQE and
1781 * report the wqe_vlan_insert flag. But there is the bug
1782 * and PFC control may be broken, so disable feature.
1784 config->hw_vlan_insert = 0;
1785 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
1788 config->txq_inline_min = MLX5_INLINE_HSIZE_NONE;
1792 DRV_LOG(DEBUG, "min tx inline configured: %d", config->txq_inline_min);
1796 * Configures the metadata mask fields in the shared context.
1799 * Pointer to Ethernet device.
1802 mlx5_set_metadata_mask(struct rte_eth_dev *dev)
1804 struct mlx5_priv *priv = dev->data->dev_private;
1805 struct mlx5_dev_ctx_shared *sh = priv->sh;
1806 uint32_t meta, mark, reg_c0;
1808 reg_c0 = ~priv->vport_meta_mask;
1809 switch (priv->config.dv_xmeta_en) {
1810 case MLX5_XMETA_MODE_LEGACY:
1812 mark = MLX5_FLOW_MARK_MASK;
1814 case MLX5_XMETA_MODE_META16:
1815 meta = reg_c0 >> rte_bsf32(reg_c0);
1816 mark = MLX5_FLOW_MARK_MASK;
1818 case MLX5_XMETA_MODE_META32:
1820 mark = (reg_c0 >> rte_bsf32(reg_c0)) & MLX5_FLOW_MARK_MASK;
1828 if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
1829 DRV_LOG(WARNING, "metadata MARK mask mismatche %08X:%08X",
1830 sh->dv_mark_mask, mark);
1832 sh->dv_mark_mask = mark;
1833 if (sh->dv_meta_mask && sh->dv_meta_mask != meta)
1834 DRV_LOG(WARNING, "metadata META mask mismatche %08X:%08X",
1835 sh->dv_meta_mask, meta);
1837 sh->dv_meta_mask = meta;
1838 if (sh->dv_regc0_mask && sh->dv_regc0_mask != reg_c0)
1839 DRV_LOG(WARNING, "metadata reg_c0 mask mismatche %08X:%08X",
1840 sh->dv_meta_mask, reg_c0);
1842 sh->dv_regc0_mask = reg_c0;
1843 DRV_LOG(DEBUG, "metadata mode %u", priv->config.dv_xmeta_en);
1844 DRV_LOG(DEBUG, "metadata MARK mask %08X", sh->dv_mark_mask);
1845 DRV_LOG(DEBUG, "metadata META mask %08X", sh->dv_meta_mask);
1846 DRV_LOG(DEBUG, "metadata reg_c0 mask %08X", sh->dv_regc0_mask);
1850 rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
1852 static const char *const dynf_names[] = {
1853 RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
1854 RTE_MBUF_DYNFLAG_METADATA_NAME,
1855 RTE_MBUF_DYNFLAG_TX_TIMESTAMP_NAME
1859 if (n < RTE_DIM(dynf_names))
1861 for (i = 0; i < RTE_DIM(dynf_names); i++) {
1862 if (names[i] == NULL)
1864 strcpy(names[i], dynf_names[i]);
1866 return RTE_DIM(dynf_names);
1870 * Comparison callback to sort device data.
1872 * This is meant to be used with qsort().
1875 * Pointer to pointer to first data object.
1877 * Pointer to pointer to second data object.
1880 * 0 if both objects are equal, less than 0 if the first argument is less
1881 * than the second, greater than 0 otherwise.
1884 mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
1885 struct mlx5_dev_config *config)
1887 struct mlx5_dev_ctx_shared *sh = priv->sh;
1888 struct mlx5_dev_config *sh_conf = NULL;
1892 /* Nothing to compare for the single/first device. */
1893 if (sh->refcnt == 1)
1895 /* Find the device with shared context. */
1896 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
1897 struct mlx5_priv *opriv =
1898 rte_eth_devices[port_id].data->dev_private;
1900 if (opriv && opriv != priv && opriv->sh == sh) {
1901 sh_conf = &opriv->config;
1907 if (sh_conf->dv_flow_en ^ config->dv_flow_en) {
1908 DRV_LOG(ERR, "\"dv_flow_en\" configuration mismatch"
1909 " for shared %s context", sh->ibdev_name);
1913 if (sh_conf->dv_xmeta_en ^ config->dv_xmeta_en) {
1914 DRV_LOG(ERR, "\"dv_xmeta_en\" configuration mismatch"
1915 " for shared %s context", sh->ibdev_name);
1923 * Look for the ethernet device belonging to mlx5 driver.
1925 * @param[in] port_id
1926 * port_id to start looking for device.
1927 * @param[in] pci_dev
1928 * Pointer to the hint PCI device. When device is being probed
1929 * the its siblings (master and preceding representors might
1930 * not have assigned driver yet (because the mlx5_os_pci_probe()
1931 * is not completed yet, for this case match on hint PCI
1932 * device may be used to detect sibling device.
1935 * port_id of found device, RTE_MAX_ETHPORT if not found.
1938 mlx5_eth_find_next(uint16_t port_id, struct rte_pci_device *pci_dev)
1940 while (port_id < RTE_MAX_ETHPORTS) {
1941 struct rte_eth_dev *dev = &rte_eth_devices[port_id];
1943 if (dev->state != RTE_ETH_DEV_UNUSED &&
1945 (dev->device == &pci_dev->device ||
1946 (dev->device->driver &&
1947 dev->device->driver->name &&
1948 !strcmp(dev->device->driver->name, MLX5_DRIVER_NAME))))
1952 if (port_id >= RTE_MAX_ETHPORTS)
1953 return RTE_MAX_ETHPORTS;
1958 * DPDK callback to remove a PCI device.
1960 * This function removes all Ethernet devices belong to a given PCI device.
1962 * @param[in] pci_dev
1963 * Pointer to the PCI device.
1966 * 0 on success, the function cannot fail.
1969 mlx5_pci_remove(struct rte_pci_device *pci_dev)
1974 RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) {
1976 * mlx5_dev_close() is not registered to secondary process,
1977 * call the close function explicitly for secondary process.
1979 if (rte_eal_process_type() == RTE_PROC_SECONDARY)
1980 ret |= mlx5_dev_close(&rte_eth_devices[port_id]);
1982 ret |= rte_eth_dev_close(port_id);
1984 return ret == 0 ? 0 : -EIO;
1987 static const struct rte_pci_id mlx5_pci_id_map[] = {
1989 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
1990 PCI_DEVICE_ID_MELLANOX_CONNECTX4)
1993 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
1994 PCI_DEVICE_ID_MELLANOX_CONNECTX4VF)
1997 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
1998 PCI_DEVICE_ID_MELLANOX_CONNECTX4LX)
2001 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2002 PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF)
2005 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2006 PCI_DEVICE_ID_MELLANOX_CONNECTX5)
2009 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2010 PCI_DEVICE_ID_MELLANOX_CONNECTX5VF)
2013 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2014 PCI_DEVICE_ID_MELLANOX_CONNECTX5EX)
2017 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2018 PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF)
2021 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2022 PCI_DEVICE_ID_MELLANOX_CONNECTX5BF)
2025 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2026 PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
2029 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2030 PCI_DEVICE_ID_MELLANOX_CONNECTX6)
2033 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2034 PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
2037 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2038 PCI_DEVICE_ID_MELLANOX_CONNECTX6DX)
2041 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2042 PCI_DEVICE_ID_MELLANOX_CONNECTXVF)
2045 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2046 PCI_DEVICE_ID_MELLANOX_CONNECTX6DXBF)
2049 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2050 PCI_DEVICE_ID_MELLANOX_CONNECTX6LX)
2053 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2054 PCI_DEVICE_ID_MELLANOX_CONNECTX7)
2057 RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
2058 PCI_DEVICE_ID_MELLANOX_CONNECTX7BF)
2065 static struct mlx5_pci_driver mlx5_driver = {
2066 .driver_class = MLX5_CLASS_NET,
2069 .name = MLX5_DRIVER_NAME,
2071 .id_table = mlx5_pci_id_map,
2072 .probe = mlx5_os_pci_probe,
2073 .remove = mlx5_pci_remove,
2074 .dma_map = mlx5_dma_map,
2075 .dma_unmap = mlx5_dma_unmap,
2076 .drv_flags = PCI_DRV_FLAGS,
2080 /* Initialize driver log type. */
2081 RTE_LOG_REGISTER(mlx5_logtype, pmd.net.mlx5, NOTICE)
2084 * Driver initialization routine.
2086 RTE_INIT(rte_mlx5_pmd_init)
2089 /* Build the static tables for Verbs conversion. */
2090 mlx5_set_ptype_table();
2091 mlx5_set_cksum_table();
2092 mlx5_set_swp_types_table();
2094 mlx5_pci_driver_register(&mlx5_driver);
2097 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);
2098 RTE_PMD_REGISTER_PCI_TABLE(net_mlx5, mlx5_pci_id_map);
2099 RTE_PMD_REGISTER_KMOD_DEP(net_mlx5, "* ib_uverbs & mlx5_core & mlx5_ib");