1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2020 Mellanox Technologies, Ltd
13 #include <linux/rtnetlink.h>
14 #include <linux/sockios.h>
15 #include <linux/ethtool.h>
18 #include <rte_malloc.h>
19 #include <rte_ethdev_driver.h>
20 #include <rte_ethdev_pci.h>
22 #include <rte_bus_pci.h>
23 #include <rte_common.h>
24 #include <rte_kvargs.h>
25 #include <rte_rwlock.h>
26 #include <rte_spinlock.h>
27 #include <rte_string_fns.h>
28 #include <rte_alarm.h>
29 #include <rte_eal_paging.h>
31 #include <mlx5_glue.h>
32 #include <mlx5_devx_cmds.h>
33 #include <mlx5_common.h>
34 #include <mlx5_common_mp.h>
35 #include <mlx5_common_mr.h>
36 #include <mlx5_malloc.h>
38 #include "mlx5_defs.h"
40 #include "mlx5_common_os.h"
41 #include "mlx5_utils.h"
42 #include "mlx5_rxtx.h"
43 #include "mlx5_autoconf.h"
45 #include "mlx5_flow.h"
46 #include "rte_pmd_mlx5.h"
47 #include "mlx5_verbs.h"
49 #include "mlx5_devx.h"
51 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
53 #ifndef HAVE_IBV_MLX5_MOD_MPW
54 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
55 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
58 #ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
59 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
62 static const char *MZ_MLX5_PMD_SHARED_DATA = "mlx5_pmd_shared_data";
64 /* Spinlock for mlx5_shared_data allocation. */
65 static rte_spinlock_t mlx5_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
67 /* Process local data for secondary processes. */
68 static struct mlx5_local_data mlx5_local_data;
71 * Set the completion channel file descriptor interrupt as non-blocking.
74 * Pointer to RQ channel object, which includes the channel fd
77 * The file descriptor (representing the intetrrupt) used in this channel.
80 * 0 on successfully setting the fd to non-blocking, non-zero otherwise.
83 mlx5_os_set_nonblock_channel_fd(int fd)
87 flags = fcntl(fd, F_GETFL);
88 return fcntl(fd, F_SETFL, flags | O_NONBLOCK);
92 * Get mlx5 device attributes. The glue function query_device_ex() is called
93 * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
94 * device attributes from the glue out parameter.
97 * Pointer to ibv context.
100 * Pointer to mlx5 device attributes.
103 * 0 on success, non zero error number otherwise
106 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
109 struct ibv_device_attr_ex attr_ex;
110 memset(device_attr, 0, sizeof(*device_attr));
111 err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
115 device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
116 device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
117 device_attr->max_sge = attr_ex.orig_attr.max_sge;
118 device_attr->max_cq = attr_ex.orig_attr.max_cq;
119 device_attr->max_qp = attr_ex.orig_attr.max_qp;
120 device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
121 device_attr->max_rwq_indirection_table_size =
122 attr_ex.rss_caps.max_rwq_indirection_table_size;
123 device_attr->max_tso = attr_ex.tso_caps.max_tso;
124 device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
126 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
127 err = mlx5_glue->dv_query_device(ctx, &dv_attr);
131 device_attr->flags = dv_attr.flags;
132 device_attr->comp_mask = dv_attr.comp_mask;
133 #ifdef HAVE_IBV_MLX5_MOD_SWP
134 device_attr->sw_parsing_offloads =
135 dv_attr.sw_parsing_caps.sw_parsing_offloads;
137 device_attr->min_single_stride_log_num_of_bytes =
138 dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
139 device_attr->max_single_stride_log_num_of_bytes =
140 dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
141 device_attr->min_single_wqe_log_num_of_strides =
142 dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
143 device_attr->max_single_wqe_log_num_of_strides =
144 dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
145 device_attr->stride_supported_qpts =
146 dv_attr.striding_rq_caps.supported_qpts;
147 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
148 device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
155 * Verbs callback to allocate a memory. This function should allocate the space
156 * according to the size provided residing inside a huge page.
157 * Please note that all allocation must respect the alignment from libmlx5
158 * (i.e. currently rte_mem_page_size()).
161 * The size in bytes of the memory to allocate.
163 * A pointer to the callback data.
166 * Allocated buffer, NULL otherwise and rte_errno is set.
169 mlx5_alloc_verbs_buf(size_t size, void *data)
171 struct mlx5_priv *priv = data;
173 unsigned int socket = SOCKET_ID_ANY;
174 size_t alignment = rte_mem_page_size();
175 if (alignment == (size_t)-1) {
176 DRV_LOG(ERR, "Failed to get mem page size");
181 if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
182 const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
184 socket = ctrl->socket;
185 } else if (priv->verbs_alloc_ctx.type ==
186 MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
187 const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
189 socket = ctrl->socket;
191 MLX5_ASSERT(data != NULL);
192 ret = mlx5_malloc(0, size, alignment, socket);
199 * Verbs callback to free a memory.
202 * A pointer to the memory to free.
204 * A pointer to the callback data.
207 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
209 MLX5_ASSERT(data != NULL);
214 * Initialize DR related data within private structure.
215 * Routine checks the reference counter and does actual
216 * resources creation/initialization only if counter is zero.
219 * Pointer to the private device data structure.
222 * Zero on success, positive error code otherwise.
225 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
227 struct mlx5_dev_ctx_shared *sh = priv->sh;
228 char s[MLX5_HLIST_NAMESIZE] __rte_unused;
231 MLX5_ASSERT(sh && sh->refcnt);
234 err = mlx5_alloc_table_hash_list(priv);
237 /* The resources below are only valid with DV support. */
238 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
239 /* Init port id action cache list. */
240 snprintf(s, sizeof(s), "%s_port_id_action_cache", sh->ibdev_name);
241 mlx5_cache_list_init(&sh->port_id_action_list, s, 0, sh,
242 flow_dv_port_id_create_cb,
243 flow_dv_port_id_match_cb,
244 flow_dv_port_id_remove_cb);
245 /* Init push vlan action cache list. */
246 snprintf(s, sizeof(s), "%s_push_vlan_action_cache", sh->ibdev_name);
247 mlx5_cache_list_init(&sh->push_vlan_action_list, s, 0, sh,
248 flow_dv_push_vlan_create_cb,
249 flow_dv_push_vlan_match_cb,
250 flow_dv_push_vlan_remove_cb);
251 /* Init sample action cache list. */
252 snprintf(s, sizeof(s), "%s_sample_action_cache", sh->ibdev_name);
253 mlx5_cache_list_init(&sh->sample_action_list, s, 0,
254 &rte_eth_devices[priv->dev_data->port_id],
255 flow_dv_sample_create_cb,
256 flow_dv_sample_match_cb,
257 flow_dv_sample_remove_cb);
258 /* Init dest array action cache list. */
259 snprintf(s, sizeof(s), "%s_dest_array_cache", sh->ibdev_name);
260 mlx5_cache_list_init(&sh->dest_array_list, s, 0,
261 &rte_eth_devices[priv->dev_data->port_id],
262 flow_dv_dest_array_create_cb,
263 flow_dv_dest_array_match_cb,
264 flow_dv_dest_array_remove_cb);
265 /* Create tags hash list table. */
266 snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
267 sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE, 0,
268 MLX5_HLIST_WRITE_MOST,
269 flow_dv_tag_create_cb, NULL,
270 flow_dv_tag_remove_cb);
271 if (!sh->tag_table) {
272 DRV_LOG(ERR, "tags with hash creation failed.");
276 sh->tag_table->ctx = sh;
277 snprintf(s, sizeof(s), "%s_hdr_modify", sh->ibdev_name);
278 sh->modify_cmds = mlx5_hlist_create(s, MLX5_FLOW_HDR_MODIFY_HTABLE_SZ,
279 0, MLX5_HLIST_WRITE_MOST |
280 MLX5_HLIST_DIRECT_KEY,
281 flow_dv_modify_create_cb,
282 flow_dv_modify_match_cb,
283 flow_dv_modify_remove_cb);
284 if (!sh->modify_cmds) {
285 DRV_LOG(ERR, "hdr modify hash creation failed");
289 sh->modify_cmds->ctx = sh;
290 snprintf(s, sizeof(s), "%s_encaps_decaps", sh->ibdev_name);
291 sh->encaps_decaps = mlx5_hlist_create(s,
292 MLX5_FLOW_ENCAP_DECAP_HTABLE_SZ,
293 0, MLX5_HLIST_DIRECT_KEY |
294 MLX5_HLIST_WRITE_MOST,
295 flow_dv_encap_decap_create_cb,
296 flow_dv_encap_decap_match_cb,
297 flow_dv_encap_decap_remove_cb);
298 if (!sh->encaps_decaps) {
299 DRV_LOG(ERR, "encap decap hash creation failed");
303 sh->encaps_decaps->ctx = sh;
305 #ifdef HAVE_MLX5DV_DR
308 /* Reference counter is zero, we should initialize structures. */
309 domain = mlx5_glue->dr_create_domain(sh->ctx,
310 MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
312 DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
316 sh->rx_domain = domain;
317 domain = mlx5_glue->dr_create_domain(sh->ctx,
318 MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
320 DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
324 sh->tx_domain = domain;
325 #ifdef HAVE_MLX5DV_DR_ESWITCH
326 if (priv->config.dv_esw_en) {
327 domain = mlx5_glue->dr_create_domain
328 (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
330 DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
334 sh->fdb_domain = domain;
335 sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
339 err = mlx5_alloc_tunnel_hub(sh);
341 DRV_LOG(ERR, "mlx5_alloc_tunnel_hub failed err=%d", err);
344 if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
345 mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
346 mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
348 mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
350 sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
351 #endif /* HAVE_MLX5DV_DR */
352 sh->default_miss_action =
353 mlx5_glue->dr_create_flow_action_default_miss();
354 if (!sh->default_miss_action)
355 DRV_LOG(WARNING, "Default miss action is not supported.");
358 /* Rollback the created objects. */
360 mlx5_glue->dr_destroy_domain(sh->rx_domain);
361 sh->rx_domain = NULL;
364 mlx5_glue->dr_destroy_domain(sh->tx_domain);
365 sh->tx_domain = NULL;
367 if (sh->fdb_domain) {
368 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
369 sh->fdb_domain = NULL;
371 if (sh->esw_drop_action) {
372 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
373 sh->esw_drop_action = NULL;
375 if (sh->pop_vlan_action) {
376 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
377 sh->pop_vlan_action = NULL;
379 if (sh->encaps_decaps) {
380 mlx5_hlist_destroy(sh->encaps_decaps);
381 sh->encaps_decaps = NULL;
383 if (sh->modify_cmds) {
384 mlx5_hlist_destroy(sh->modify_cmds);
385 sh->modify_cmds = NULL;
388 /* tags should be destroyed with flow before. */
389 mlx5_hlist_destroy(sh->tag_table);
390 sh->tag_table = NULL;
392 if (sh->tunnel_hub) {
393 mlx5_release_tunnel_hub(sh, priv->dev_port);
394 sh->tunnel_hub = NULL;
396 mlx5_free_table_hash_list(priv);
401 * Destroy DR related data within private structure.
404 * Pointer to the private device data structure.
407 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
409 struct mlx5_dev_ctx_shared *sh = priv->sh;
411 MLX5_ASSERT(sh && sh->refcnt);
414 #ifdef HAVE_MLX5DV_DR
416 mlx5_glue->dr_destroy_domain(sh->rx_domain);
417 sh->rx_domain = NULL;
420 mlx5_glue->dr_destroy_domain(sh->tx_domain);
421 sh->tx_domain = NULL;
423 #ifdef HAVE_MLX5DV_DR_ESWITCH
424 if (sh->fdb_domain) {
425 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
426 sh->fdb_domain = NULL;
428 if (sh->esw_drop_action) {
429 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
430 sh->esw_drop_action = NULL;
433 if (sh->pop_vlan_action) {
434 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
435 sh->pop_vlan_action = NULL;
437 #endif /* HAVE_MLX5DV_DR */
438 if (sh->default_miss_action)
439 mlx5_glue->destroy_flow_action
440 (sh->default_miss_action);
441 if (sh->encaps_decaps) {
442 mlx5_hlist_destroy(sh->encaps_decaps);
443 sh->encaps_decaps = NULL;
445 if (sh->modify_cmds) {
446 mlx5_hlist_destroy(sh->modify_cmds);
447 sh->modify_cmds = NULL;
450 /* tags should be destroyed with flow before. */
451 mlx5_hlist_destroy(sh->tag_table);
452 sh->tag_table = NULL;
454 if (sh->tunnel_hub) {
455 mlx5_release_tunnel_hub(sh, priv->dev_port);
456 sh->tunnel_hub = NULL;
458 mlx5_cache_list_destroy(&sh->port_id_action_list);
459 mlx5_cache_list_destroy(&sh->push_vlan_action_list);
460 mlx5_free_table_hash_list(priv);
464 * Initialize shared data between primary and secondary process.
466 * A memzone is reserved by primary process and secondary processes attach to
470 * 0 on success, a negative errno value otherwise and rte_errno is set.
473 mlx5_init_shared_data(void)
475 const struct rte_memzone *mz;
478 rte_spinlock_lock(&mlx5_shared_data_lock);
479 if (mlx5_shared_data == NULL) {
480 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
481 /* Allocate shared memory. */
482 mz = rte_memzone_reserve(MZ_MLX5_PMD_SHARED_DATA,
483 sizeof(*mlx5_shared_data),
487 "Cannot allocate mlx5 shared data");
491 mlx5_shared_data = mz->addr;
492 memset(mlx5_shared_data, 0, sizeof(*mlx5_shared_data));
493 rte_spinlock_init(&mlx5_shared_data->lock);
495 /* Lookup allocated shared memory. */
496 mz = rte_memzone_lookup(MZ_MLX5_PMD_SHARED_DATA);
499 "Cannot attach mlx5 shared data");
503 mlx5_shared_data = mz->addr;
504 memset(&mlx5_local_data, 0, sizeof(mlx5_local_data));
508 rte_spinlock_unlock(&mlx5_shared_data_lock);
513 * PMD global initialization.
515 * Independent from individual device, this function initializes global
516 * per-PMD data structures distinguishing primary and secondary processes.
517 * Hence, each initialization is called once per a process.
520 * 0 on success, a negative errno value otherwise and rte_errno is set.
525 struct mlx5_shared_data *sd;
526 struct mlx5_local_data *ld = &mlx5_local_data;
529 if (mlx5_init_shared_data())
531 sd = mlx5_shared_data;
533 rte_spinlock_lock(&sd->lock);
534 switch (rte_eal_process_type()) {
535 case RTE_PROC_PRIMARY:
538 LIST_INIT(&sd->mem_event_cb_list);
539 rte_rwlock_init(&sd->mem_event_rwlock);
540 rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
541 mlx5_mr_mem_event_cb, NULL);
542 ret = mlx5_mp_init_primary(MLX5_MP_NAME,
543 mlx5_mp_os_primary_handle);
546 sd->init_done = true;
548 case RTE_PROC_SECONDARY:
551 ret = mlx5_mp_init_secondary(MLX5_MP_NAME,
552 mlx5_mp_os_secondary_handle);
556 ld->init_done = true;
562 rte_spinlock_unlock(&sd->lock);
567 * Create the Tx queue DevX/Verbs object.
570 * Pointer to Ethernet device.
572 * Queue index in DPDK Tx queue array.
575 * 0 on success, a negative errno value otherwise and rte_errno is set.
578 mlx5_os_txq_obj_new(struct rte_eth_dev *dev, uint16_t idx)
580 struct mlx5_priv *priv = dev->data->dev_private;
581 struct mlx5_txq_data *txq_data = (*priv->txqs)[idx];
582 struct mlx5_txq_ctrl *txq_ctrl =
583 container_of(txq_data, struct mlx5_txq_ctrl, txq);
585 if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN)
586 return mlx5_txq_devx_obj_new(dev, idx);
587 #ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
588 if (!priv->config.dv_esw_en)
589 return mlx5_txq_devx_obj_new(dev, idx);
591 return mlx5_txq_ibv_obj_new(dev, idx);
595 * Release an Tx DevX/verbs queue object.
598 * DevX/Verbs Tx queue object.
601 mlx5_os_txq_obj_release(struct mlx5_txq_obj *txq_obj)
603 if (txq_obj->txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
604 mlx5_txq_devx_obj_release(txq_obj);
607 #ifdef HAVE_MLX5DV_DEVX_UAR_OFFSET
608 if (!txq_obj->txq_ctrl->priv->config.dv_esw_en) {
609 mlx5_txq_devx_obj_release(txq_obj);
613 mlx5_txq_ibv_obj_release(txq_obj);
617 * DV flow counter mode detect and config.
620 * Pointer to rte_eth_dev structure.
624 mlx5_flow_counter_mode_config(struct rte_eth_dev *dev __rte_unused)
626 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
627 struct mlx5_priv *priv = dev->data->dev_private;
628 struct mlx5_dev_ctx_shared *sh = priv->sh;
631 #ifndef HAVE_IBV_DEVX_ASYNC
635 if (!priv->config.devx || !priv->config.dv_flow_en ||
636 !priv->config.hca_attr.flow_counters_dump ||
637 !(priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4) ||
638 (mlx5_flow_dv_discover_counter_offset_support(dev) == -ENOTSUP))
642 DRV_LOG(INFO, "Use fall-back DV counter management. Flow "
643 "counter dump:%d, bulk_alloc_bitmap:0x%hhx.",
644 priv->config.hca_attr.flow_counters_dump,
645 priv->config.hca_attr.flow_counter_bulk_alloc_bitmap);
646 /* Initialize fallback mode only on the port initializes sh. */
648 sh->cmng.counter_fallback = fallback;
649 else if (fallback != sh->cmng.counter_fallback)
650 DRV_LOG(WARNING, "Port %d in sh has different fallback mode "
651 "with others:%d.", PORT_ID(priv), fallback);
656 * Spawn an Ethernet device from Verbs information.
659 * Backing DPDK device.
661 * Verbs device parameters (name, port, switch_info) to spawn.
663 * Device configuration parameters.
666 * A valid Ethernet device object on success, NULL otherwise and rte_errno
667 * is set. The following errors are defined:
669 * EBUSY: device is not supposed to be spawned.
670 * EEXIST: device is already spawned
672 static struct rte_eth_dev *
673 mlx5_dev_spawn(struct rte_device *dpdk_dev,
674 struct mlx5_dev_spawn_data *spawn,
675 struct mlx5_dev_config *config)
677 const struct mlx5_switch_info *switch_info = &spawn->info;
678 struct mlx5_dev_ctx_shared *sh = NULL;
679 struct ibv_port_attr port_attr;
680 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
681 struct rte_eth_dev *eth_dev = NULL;
682 struct mlx5_priv *priv = NULL;
684 unsigned int hw_padding = 0;
686 unsigned int cqe_comp;
687 unsigned int cqe_pad = 0;
688 unsigned int tunnel_en = 0;
689 unsigned int mpls_en = 0;
690 unsigned int swp = 0;
691 unsigned int mprq = 0;
692 unsigned int mprq_min_stride_size_n = 0;
693 unsigned int mprq_max_stride_size_n = 0;
694 unsigned int mprq_min_stride_num_n = 0;
695 unsigned int mprq_max_stride_num_n = 0;
696 struct rte_ether_addr mac;
697 char name[RTE_ETH_NAME_MAX_LEN];
698 int own_domain_id = 0;
701 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
702 struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
705 /* Determine if this port representor is supposed to be spawned. */
706 if (switch_info->representor && dpdk_dev->devargs) {
707 struct rte_eth_devargs eth_da;
709 err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
712 DRV_LOG(ERR, "failed to process device arguments: %s",
713 strerror(rte_errno));
716 for (i = 0; i < eth_da.nb_representor_ports; ++i)
717 if (eth_da.representor_ports[i] ==
718 (uint16_t)switch_info->port_name)
720 if (i == eth_da.nb_representor_ports) {
725 /* Build device name. */
726 if (spawn->pf_bond < 0) {
728 if (!switch_info->representor)
729 strlcpy(name, dpdk_dev->name, sizeof(name));
731 snprintf(name, sizeof(name), "%s_representor_%u",
732 dpdk_dev->name, switch_info->port_name);
734 /* Bonding device. */
735 if (!switch_info->representor)
736 snprintf(name, sizeof(name), "%s_%s",
738 mlx5_os_get_dev_device_name(spawn->phys_dev));
740 snprintf(name, sizeof(name), "%s_%s_representor_%u",
742 mlx5_os_get_dev_device_name(spawn->phys_dev),
743 switch_info->port_name);
745 /* check if the device is already spawned */
746 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
750 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
751 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
752 struct mlx5_mp_id mp_id;
754 eth_dev = rte_eth_dev_attach_secondary(name);
755 if (eth_dev == NULL) {
756 DRV_LOG(ERR, "can not attach rte ethdev");
760 priv = eth_dev->data->dev_private;
761 if (priv->sh->bond_dev != UINT16_MAX)
762 /* For bonding port, use primary PCI device. */
764 rte_eth_devices[priv->sh->bond_dev].device;
766 eth_dev->device = dpdk_dev;
767 eth_dev->dev_ops = &mlx5_os_dev_sec_ops;
768 eth_dev->rx_descriptor_status = mlx5_rx_descriptor_status;
769 eth_dev->tx_descriptor_status = mlx5_tx_descriptor_status;
770 err = mlx5_proc_priv_init(eth_dev);
773 mp_id.port_id = eth_dev->data->port_id;
774 strlcpy(mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
775 /* Receive command fd from primary process */
776 err = mlx5_mp_req_verbs_cmd_fd(&mp_id);
779 /* Remap UAR for Tx queues. */
780 err = mlx5_tx_uar_init_secondary(eth_dev, err);
784 * Ethdev pointer is still required as input since
785 * the primary device is not accessible from the
788 eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
789 eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
792 mlx5_dev_close(eth_dev);
796 * Some parameters ("tx_db_nc" in particularly) are needed in
797 * advance to create dv/verbs device context. We proceed the
798 * devargs here to get ones, and later proceed devargs again
799 * to override some hardware settings.
801 err = mlx5_args(config, dpdk_dev->devargs);
804 DRV_LOG(ERR, "failed to process device arguments: %s",
805 strerror(rte_errno));
808 if (config->dv_miss_info) {
809 if (switch_info->master || switch_info->representor)
810 config->dv_xmeta_en = MLX5_XMETA_MODE_META16;
812 mlx5_malloc_mem_select(config->sys_mem_en);
813 sh = mlx5_alloc_shared_dev_ctx(spawn, config);
816 config->devx = sh->devx;
817 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
818 config->dest_tir = 1;
820 #ifdef HAVE_IBV_MLX5_MOD_SWP
821 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
824 * Multi-packet send is supported by ConnectX-4 Lx PF as well
825 * as all ConnectX-5 devices.
827 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
828 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
830 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
831 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
833 mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
834 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
835 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
836 DRV_LOG(DEBUG, "enhanced MPW is supported");
837 mps = MLX5_MPW_ENHANCED;
839 DRV_LOG(DEBUG, "MPW is supported");
843 DRV_LOG(DEBUG, "MPW isn't supported");
844 mps = MLX5_MPW_DISABLED;
846 #ifdef HAVE_IBV_MLX5_MOD_SWP
847 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
848 swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
849 DRV_LOG(DEBUG, "SWP support: %u", swp);
852 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
853 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
854 struct mlx5dv_striding_rq_caps mprq_caps =
855 dv_attr.striding_rq_caps;
857 DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
858 mprq_caps.min_single_stride_log_num_of_bytes);
859 DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
860 mprq_caps.max_single_stride_log_num_of_bytes);
861 DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
862 mprq_caps.min_single_wqe_log_num_of_strides);
863 DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
864 mprq_caps.max_single_wqe_log_num_of_strides);
865 DRV_LOG(DEBUG, "\tsupported_qpts: %d",
866 mprq_caps.supported_qpts);
867 DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
869 mprq_min_stride_size_n =
870 mprq_caps.min_single_stride_log_num_of_bytes;
871 mprq_max_stride_size_n =
872 mprq_caps.max_single_stride_log_num_of_bytes;
873 mprq_min_stride_num_n =
874 mprq_caps.min_single_wqe_log_num_of_strides;
875 mprq_max_stride_num_n =
876 mprq_caps.max_single_wqe_log_num_of_strides;
879 if (RTE_CACHE_LINE_SIZE == 128 &&
880 !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
884 config->cqe_comp = cqe_comp;
885 #ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
886 /* Whether device supports 128B Rx CQE padding. */
887 cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
888 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
890 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
891 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
892 tunnel_en = ((dv_attr.tunnel_offloads_caps &
893 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
894 (dv_attr.tunnel_offloads_caps &
895 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE) &&
896 (dv_attr.tunnel_offloads_caps &
897 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE));
899 DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
900 tunnel_en ? "" : "not ");
903 "tunnel offloading disabled due to old OFED/rdma-core version");
905 config->tunnel_en = tunnel_en;
906 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
907 mpls_en = ((dv_attr.tunnel_offloads_caps &
908 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
909 (dv_attr.tunnel_offloads_caps &
910 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
911 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
912 mpls_en ? "" : "not ");
914 DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
915 " old OFED/rdma-core version or firmware configuration");
917 config->mpls_en = mpls_en;
918 /* Check port status. */
919 err = mlx5_glue->query_port(sh->ctx, spawn->phys_port, &port_attr);
921 DRV_LOG(ERR, "port query failed: %s", strerror(err));
924 if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
925 DRV_LOG(ERR, "port is not configured in Ethernet mode");
929 if (port_attr.state != IBV_PORT_ACTIVE)
930 DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
931 mlx5_glue->port_state_str(port_attr.state),
933 /* Allocate private eth device data. */
934 priv = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
936 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
938 DRV_LOG(ERR, "priv allocation failure");
943 priv->dev_port = spawn->phys_port;
944 priv->pci_dev = spawn->pci_dev;
945 priv->mtu = RTE_ETHER_MTU;
946 priv->mp_id.port_id = port_id;
947 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
948 /* Some internal functions rely on Netlink sockets, open them now. */
949 priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
950 priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
951 priv->representor = !!switch_info->representor;
952 priv->master = !!switch_info->master;
953 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
954 priv->vport_meta_tag = 0;
955 priv->vport_meta_mask = 0;
956 priv->pf_bond = spawn->pf_bond;
957 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
959 * The DevX port query API is implemented. E-Switch may use
960 * either vport or reg_c[0] metadata register to match on
961 * vport index. The engaged part of metadata register is
964 if (switch_info->representor || switch_info->master) {
965 devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
966 MLX5DV_DEVX_PORT_MATCH_REG_C_0;
967 err = mlx5_glue->devx_port_query(sh->ctx, spawn->phys_port,
971 "can't query devx port %d on device %s",
973 mlx5_os_get_dev_device_name(spawn->phys_dev));
974 devx_port.comp_mask = 0;
977 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
978 priv->vport_meta_tag = devx_port.reg_c_0.value;
979 priv->vport_meta_mask = devx_port.reg_c_0.mask;
980 if (!priv->vport_meta_mask) {
981 DRV_LOG(ERR, "vport zero mask for port %d"
982 " on bonding device %s",
984 mlx5_os_get_dev_device_name
989 if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
990 DRV_LOG(ERR, "invalid vport tag for port %d"
991 " on bonding device %s",
993 mlx5_os_get_dev_device_name
999 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
1000 priv->vport_id = devx_port.vport_num;
1001 } else if (spawn->pf_bond >= 0) {
1002 DRV_LOG(ERR, "can't deduce vport index for port %d"
1003 " on bonding device %s",
1005 mlx5_os_get_dev_device_name(spawn->phys_dev));
1009 /* Suppose vport index in compatible way. */
1010 priv->vport_id = switch_info->representor ?
1011 switch_info->port_name + 1 : -1;
1015 * Kernel/rdma_core support single E-Switch per PF configurations
1016 * only and vport_id field contains the vport index for
1017 * associated VF, which is deduced from representor port name.
1018 * For example, let's have the IB device port 10, it has
1019 * attached network device eth0, which has port name attribute
1020 * pf0vf2, we can deduce the VF number as 2, and set vport index
1021 * as 3 (2+1). This assigning schema should be changed if the
1022 * multiple E-Switch instances per PF configurations or/and PCI
1023 * subfunctions are added.
1025 priv->vport_id = switch_info->representor ?
1026 switch_info->port_name + 1 : -1;
1028 /* representor_id field keeps the unmodified VF index. */
1029 priv->representor_id = switch_info->representor ?
1030 switch_info->port_name : -1;
1032 * Look for sibling devices in order to reuse their switch domain
1033 * if any, otherwise allocate one.
1035 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
1036 const struct mlx5_priv *opriv =
1037 rte_eth_devices[port_id].data->dev_private;
1040 opriv->sh != priv->sh ||
1042 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
1044 priv->domain_id = opriv->domain_id;
1047 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
1048 err = rte_eth_switch_domain_alloc(&priv->domain_id);
1051 DRV_LOG(ERR, "unable to allocate switch domain: %s",
1052 strerror(rte_errno));
1057 /* Override some values set by hardware configuration. */
1058 mlx5_args(config, dpdk_dev->devargs);
1059 err = mlx5_dev_check_sibling_config(priv, config);
1062 config->hw_csum = !!(sh->device_attr.device_cap_flags_ex &
1063 IBV_DEVICE_RAW_IP_CSUM);
1064 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
1065 (config->hw_csum ? "" : "not "));
1066 #if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
1067 !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
1068 DRV_LOG(DEBUG, "counters are not supported");
1070 #if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
1071 if (config->dv_flow_en) {
1072 DRV_LOG(WARNING, "DV flow is not supported");
1073 config->dv_flow_en = 0;
1076 config->ind_table_max_size =
1077 sh->device_attr.max_rwq_indirection_table_size;
1079 * Remove this check once DPDK supports larger/variable
1080 * indirection tables.
1082 if (config->ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
1083 config->ind_table_max_size = ETH_RSS_RETA_SIZE_512;
1084 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
1085 config->ind_table_max_size);
1086 config->hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
1087 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
1088 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
1089 (config->hw_vlan_strip ? "" : "not "));
1090 config->hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
1091 IBV_RAW_PACKET_CAP_SCATTER_FCS);
1092 #if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
1093 hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
1094 #elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
1095 hw_padding = !!(sh->device_attr.device_cap_flags_ex &
1096 IBV_DEVICE_PCI_WRITE_END_PADDING);
1098 if (config->hw_padding && !hw_padding) {
1099 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
1100 config->hw_padding = 0;
1101 } else if (config->hw_padding) {
1102 DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
1104 config->tso = (sh->device_attr.max_tso > 0 &&
1105 (sh->device_attr.tso_supported_qpts &
1106 (1 << IBV_QPT_RAW_PACKET)));
1108 config->tso_max_payload_sz = sh->device_attr.max_tso;
1110 * MPW is disabled by default, while the Enhanced MPW is enabled
1113 if (config->mps == MLX5_ARG_UNSET)
1114 config->mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
1117 config->mps = config->mps ? mps : MLX5_MPW_DISABLED;
1118 DRV_LOG(INFO, "%sMPS is %s",
1119 config->mps == MLX5_MPW_ENHANCED ? "enhanced " :
1120 config->mps == MLX5_MPW ? "legacy " : "",
1121 config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
1122 if (config->cqe_comp && !cqe_comp) {
1123 DRV_LOG(WARNING, "Rx CQE compression isn't supported");
1124 config->cqe_comp = 0;
1126 if (config->cqe_pad && !cqe_pad) {
1127 DRV_LOG(WARNING, "Rx CQE padding isn't supported");
1128 config->cqe_pad = 0;
1129 } else if (config->cqe_pad) {
1130 DRV_LOG(INFO, "Rx CQE padding is enabled");
1133 err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config->hca_attr);
1138 #ifdef HAVE_MLX5DV_DR_ACTION_FLOW_HIT
1139 if (config->hca_attr.flow_hit_aso) {
1140 sh->flow_hit_aso_en = 1;
1141 err = mlx5_flow_aso_age_mng_init(sh);
1146 DRV_LOG(DEBUG, "Flow Hit ASO is supported.");
1148 #endif /* HAVE_MLX5DV_DR_ACTION_FLOW_HIT */
1149 /* Check relax ordering support. */
1150 if (!haswell_broadwell_cpu) {
1151 sh->cmng.relaxed_ordering_write =
1152 config->hca_attr.relaxed_ordering_write;
1153 sh->cmng.relaxed_ordering_read =
1154 config->hca_attr.relaxed_ordering_read;
1156 sh->cmng.relaxed_ordering_read = 0;
1157 sh->cmng.relaxed_ordering_write = 0;
1159 /* Check for LRO support. */
1160 if (config->dest_tir && config->hca_attr.lro_cap &&
1161 config->dv_flow_en) {
1162 /* TBD check tunnel lro caps. */
1163 config->lro.supported = config->hca_attr.lro_cap;
1164 DRV_LOG(DEBUG, "Device supports LRO");
1166 * If LRO timeout is not configured by application,
1167 * use the minimal supported value.
1169 if (!config->lro.timeout)
1170 config->lro.timeout =
1171 config->hca_attr.lro_timer_supported_periods[0];
1172 DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
1173 config->lro.timeout);
1174 DRV_LOG(DEBUG, "LRO minimal size of TCP segment "
1175 "required for coalescing is %d bytes",
1176 config->hca_attr.lro_min_mss_size);
1178 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
1179 if (config->hca_attr.qos.sup &&
1180 config->hca_attr.qos.srtcm_sup &&
1181 config->dv_flow_en) {
1182 uint8_t reg_c_mask =
1183 config->hca_attr.qos.flow_meter_reg_c_ids;
1185 * Meter needs two REG_C's for color match and pre-sfx
1186 * flow match. Here get the REG_C for color match.
1187 * REG_C_0 and REG_C_1 is reserved for metadata feature.
1190 if (__builtin_popcount(reg_c_mask) < 1) {
1192 DRV_LOG(WARNING, "No available register for"
1195 priv->mtr_color_reg = ffs(reg_c_mask) - 1 +
1198 priv->mtr_reg_share =
1199 config->hca_attr.qos.flow_meter_reg_share;
1200 DRV_LOG(DEBUG, "The REG_C meter uses is %d",
1201 priv->mtr_color_reg);
1205 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE)
1206 if (config->hca_attr.log_max_ft_sampler_num > 0 &&
1207 config->dv_flow_en) {
1208 priv->sampler_en = 1;
1209 DRV_LOG(DEBUG, "The Sampler enabled!\n");
1211 priv->sampler_en = 0;
1212 if (!config->hca_attr.log_max_ft_sampler_num)
1213 DRV_LOG(WARNING, "No available register for"
1216 DRV_LOG(DEBUG, "DV flow is not supported!\n");
1220 if (config->tx_pp) {
1221 DRV_LOG(DEBUG, "Timestamp counter frequency %u kHz",
1222 config->hca_attr.dev_freq_khz);
1223 DRV_LOG(DEBUG, "Packet pacing is %ssupported",
1224 config->hca_attr.qos.packet_pacing ? "" : "not ");
1225 DRV_LOG(DEBUG, "Cross channel ops are %ssupported",
1226 config->hca_attr.cross_channel ? "" : "not ");
1227 DRV_LOG(DEBUG, "WQE index ignore is %ssupported",
1228 config->hca_attr.wqe_index_ignore ? "" : "not ");
1229 DRV_LOG(DEBUG, "Non-wire SQ feature is %ssupported",
1230 config->hca_attr.non_wire_sq ? "" : "not ");
1231 DRV_LOG(DEBUG, "Static WQE SQ feature is %ssupported (%d)",
1232 config->hca_attr.log_max_static_sq_wq ? "" : "not ",
1233 config->hca_attr.log_max_static_sq_wq);
1234 DRV_LOG(DEBUG, "WQE rate PP mode is %ssupported",
1235 config->hca_attr.qos.wqe_rate_pp ? "" : "not ");
1236 if (!config->devx) {
1237 DRV_LOG(ERR, "DevX is required for packet pacing");
1241 if (!config->hca_attr.qos.packet_pacing) {
1242 DRV_LOG(ERR, "Packet pacing is not supported");
1246 if (!config->hca_attr.cross_channel) {
1247 DRV_LOG(ERR, "Cross channel operations are"
1248 " required for packet pacing");
1252 if (!config->hca_attr.wqe_index_ignore) {
1253 DRV_LOG(ERR, "WQE index ignore feature is"
1254 " required for packet pacing");
1258 if (!config->hca_attr.non_wire_sq) {
1259 DRV_LOG(ERR, "Non-wire SQ feature is"
1260 " required for packet pacing");
1264 if (!config->hca_attr.log_max_static_sq_wq) {
1265 DRV_LOG(ERR, "Static WQE SQ feature is"
1266 " required for packet pacing");
1270 if (!config->hca_attr.qos.wqe_rate_pp) {
1271 DRV_LOG(ERR, "WQE rate mode is required"
1272 " for packet pacing");
1276 #ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
1277 DRV_LOG(ERR, "DevX does not provide UAR offset,"
1278 " can't create queues for packet pacing");
1284 uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
1286 err = config->hca_attr.access_register_user ?
1287 mlx5_devx_cmd_register_read
1288 (sh->ctx, MLX5_REGISTER_ID_MTUTC, 0,
1289 reg, MLX5_ST_SZ_DW(register_mtutc)) : ENOTSUP;
1293 /* MTUTC register is read successfully. */
1294 ts_mode = MLX5_GET(register_mtutc, reg,
1296 if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME)
1297 config->rt_timestamp = 1;
1299 /* Kernel does not support register reading. */
1300 if (config->hca_attr.dev_freq_khz ==
1301 (NS_PER_S / MS_PER_S))
1302 config->rt_timestamp = 1;
1306 * If HW has bug working with tunnel packet decapsulation and
1307 * scatter FCS, and decapsulation is needed, clear the hw_fcs_strip
1308 * bit. Then DEV_RX_OFFLOAD_KEEP_CRC bit will not be set anymore.
1310 if (config->hca_attr.scatter_fcs_w_decap_disable && config->decap_en)
1311 config->hw_fcs_strip = 0;
1312 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
1313 (config->hw_fcs_strip ? "" : "not "));
1314 if (config->mprq.enabled && mprq) {
1315 if (config->mprq.stride_num_n &&
1316 (config->mprq.stride_num_n > mprq_max_stride_num_n ||
1317 config->mprq.stride_num_n < mprq_min_stride_num_n)) {
1318 config->mprq.stride_num_n =
1319 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
1320 mprq_min_stride_num_n),
1321 mprq_max_stride_num_n);
1323 "the number of strides"
1324 " for Multi-Packet RQ is out of range,"
1325 " setting default value (%u)",
1326 1 << config->mprq.stride_num_n);
1328 if (config->mprq.stride_size_n &&
1329 (config->mprq.stride_size_n > mprq_max_stride_size_n ||
1330 config->mprq.stride_size_n < mprq_min_stride_size_n)) {
1331 config->mprq.stride_size_n =
1332 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
1333 mprq_min_stride_size_n),
1334 mprq_max_stride_size_n);
1336 "the size of a stride"
1337 " for Multi-Packet RQ is out of range,"
1338 " setting default value (%u)",
1339 1 << config->mprq.stride_size_n);
1341 config->mprq.min_stride_size_n = mprq_min_stride_size_n;
1342 config->mprq.max_stride_size_n = mprq_max_stride_size_n;
1343 } else if (config->mprq.enabled && !mprq) {
1344 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
1345 config->mprq.enabled = 0;
1347 if (config->max_dump_files_num == 0)
1348 config->max_dump_files_num = 128;
1349 eth_dev = rte_eth_dev_allocate(name);
1350 if (eth_dev == NULL) {
1351 DRV_LOG(ERR, "can not allocate rte ethdev");
1355 if (priv->representor) {
1356 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
1357 eth_dev->data->representor_id = priv->representor_id;
1360 * Store associated network device interface index. This index
1361 * is permanent throughout the lifetime of device. So, we may store
1362 * the ifindex here and use the cached value further.
1364 MLX5_ASSERT(spawn->ifindex);
1365 priv->if_index = spawn->ifindex;
1366 if (priv->pf_bond >= 0 && priv->master) {
1367 /* Get bond interface info */
1368 err = mlx5_sysfs_bond_info(priv->if_index,
1369 &priv->bond_ifindex,
1372 DRV_LOG(ERR, "unable to get bond info: %s",
1373 strerror(rte_errno));
1375 DRV_LOG(INFO, "PF device %u, bond device %u(%s)",
1376 priv->if_index, priv->bond_ifindex,
1379 eth_dev->data->dev_private = priv;
1380 priv->dev_data = eth_dev->data;
1381 eth_dev->data->mac_addrs = priv->mac;
1382 if (spawn->pf_bond < 0) {
1383 eth_dev->device = dpdk_dev;
1385 /* Use primary bond PCI as device. */
1386 if (sh->bond_dev == UINT16_MAX) {
1387 sh->bond_dev = eth_dev->data->port_id;
1388 eth_dev->device = dpdk_dev;
1390 eth_dev->device = rte_eth_devices[sh->bond_dev].device;
1393 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
1394 /* Configure the first MAC address by default. */
1395 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1397 "port %u cannot get MAC address, is mlx5_en"
1398 " loaded? (errno: %s)",
1399 eth_dev->data->port_id, strerror(rte_errno));
1404 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1405 eth_dev->data->port_id,
1406 mac.addr_bytes[0], mac.addr_bytes[1],
1407 mac.addr_bytes[2], mac.addr_bytes[3],
1408 mac.addr_bytes[4], mac.addr_bytes[5]);
1409 #ifdef RTE_LIBRTE_MLX5_DEBUG
1411 char ifname[IF_NAMESIZE];
1413 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1414 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1415 eth_dev->data->port_id, ifname);
1417 DRV_LOG(DEBUG, "port %u ifname is unknown",
1418 eth_dev->data->port_id);
1421 /* Get actual MTU if possible. */
1422 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1427 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1429 /* Initialize burst functions to prevent crashes before link-up. */
1430 eth_dev->rx_pkt_burst = removed_rx_burst;
1431 eth_dev->tx_pkt_burst = removed_tx_burst;
1432 eth_dev->dev_ops = &mlx5_os_dev_ops;
1433 eth_dev->rx_descriptor_status = mlx5_rx_descriptor_status;
1434 eth_dev->tx_descriptor_status = mlx5_tx_descriptor_status;
1435 eth_dev->rx_queue_count = mlx5_rx_queue_count;
1436 /* Register MAC address. */
1437 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1438 if (config->vf && config->vf_nl_en)
1439 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1440 mlx5_ifindex(eth_dev),
1441 eth_dev->data->mac_addrs,
1442 MLX5_MAX_MAC_ADDRESSES);
1444 priv->ctrl_flows = 0;
1445 rte_spinlock_init(&priv->flow_list_lock);
1446 TAILQ_INIT(&priv->flow_meters);
1447 TAILQ_INIT(&priv->flow_meter_profiles);
1448 /* Hint libmlx5 to use PMD allocator for data plane resources */
1449 mlx5_glue->dv_set_context_attr(sh->ctx,
1450 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1451 (void *)((uintptr_t)&(struct mlx5dv_ctx_allocators){
1452 .alloc = &mlx5_alloc_verbs_buf,
1453 .free = &mlx5_free_verbs_buf,
1456 /* Bring Ethernet device up. */
1457 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1458 eth_dev->data->port_id);
1459 mlx5_set_link_up(eth_dev);
1461 * Even though the interrupt handler is not installed yet,
1462 * interrupts will still trigger on the async_fd from
1463 * Verbs context returned by ibv_open_device().
1465 mlx5_link_update(eth_dev, 0);
1466 #ifdef HAVE_MLX5DV_DR_ESWITCH
1467 if (!(config->hca_attr.eswitch_manager && config->dv_flow_en &&
1468 (switch_info->representor || switch_info->master)))
1469 config->dv_esw_en = 0;
1471 config->dv_esw_en = 0;
1473 /* Detect minimal data bytes to inline. */
1474 mlx5_set_min_inline(spawn, config);
1475 /* Store device configuration on private structure. */
1476 priv->config = *config;
1477 /* Create context for virtual machine VLAN workaround. */
1478 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1479 if (config->dv_flow_en) {
1480 err = mlx5_alloc_shared_dr(priv);
1484 if (config->devx && config->dv_flow_en && config->dest_tir) {
1485 priv->obj_ops = devx_obj_ops;
1486 priv->obj_ops.drop_action_create =
1487 ibv_obj_ops.drop_action_create;
1488 priv->obj_ops.drop_action_destroy =
1489 ibv_obj_ops.drop_action_destroy;
1490 #ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
1491 priv->obj_ops.txq_obj_modify = ibv_obj_ops.txq_obj_modify;
1493 if (config->dv_esw_en)
1494 priv->obj_ops.txq_obj_modify =
1495 ibv_obj_ops.txq_obj_modify;
1497 /* Use specific wrappers for Tx object. */
1498 priv->obj_ops.txq_obj_new = mlx5_os_txq_obj_new;
1499 priv->obj_ops.txq_obj_release = mlx5_os_txq_obj_release;
1502 priv->obj_ops = ibv_obj_ops;
1504 priv->drop_queue.hrxq = mlx5_drop_action_create(eth_dev);
1505 if (!priv->drop_queue.hrxq)
1507 /* Supported Verbs flow priority number detection. */
1508 err = mlx5_flow_discover_priorities(eth_dev);
1513 priv->config.flow_prio = err;
1514 if (!priv->config.dv_esw_en &&
1515 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1516 DRV_LOG(WARNING, "metadata mode %u is not supported "
1517 "(no E-Switch)", priv->config.dv_xmeta_en);
1518 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1520 mlx5_set_metadata_mask(eth_dev);
1521 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1522 !priv->sh->dv_regc0_mask) {
1523 DRV_LOG(ERR, "metadata mode %u is not supported "
1524 "(no metadata reg_c[0] is available)",
1525 priv->config.dv_xmeta_en);
1529 mlx5_cache_list_init(&priv->hrxqs, "hrxq", 0, eth_dev,
1530 mlx5_hrxq_create_cb,
1532 mlx5_hrxq_remove_cb);
1533 /* Query availability of metadata reg_c's. */
1534 err = mlx5_flow_discover_mreg_c(eth_dev);
1539 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1541 "port %u extensive metadata register is not supported",
1542 eth_dev->data->port_id);
1543 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1544 DRV_LOG(ERR, "metadata mode %u is not supported "
1545 "(no metadata registers available)",
1546 priv->config.dv_xmeta_en);
1551 if (priv->config.dv_flow_en &&
1552 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1553 mlx5_flow_ext_mreg_supported(eth_dev) &&
1554 priv->sh->dv_regc0_mask) {
1555 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1556 MLX5_FLOW_MREG_HTABLE_SZ,
1558 flow_dv_mreg_create_cb,
1560 flow_dv_mreg_remove_cb);
1561 if (!priv->mreg_cp_tbl) {
1565 priv->mreg_cp_tbl->ctx = eth_dev;
1567 rte_spinlock_init(&priv->shared_act_sl);
1568 mlx5_flow_counter_mode_config(eth_dev);
1569 if (priv->config.dv_flow_en)
1570 eth_dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
1574 if (priv->mreg_cp_tbl)
1575 mlx5_hlist_destroy(priv->mreg_cp_tbl);
1577 mlx5_os_free_shared_dr(priv);
1578 if (priv->nl_socket_route >= 0)
1579 close(priv->nl_socket_route);
1580 if (priv->nl_socket_rdma >= 0)
1581 close(priv->nl_socket_rdma);
1582 if (priv->vmwa_context)
1583 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1584 if (eth_dev && priv->drop_queue.hrxq)
1585 mlx5_drop_action_destroy(eth_dev);
1587 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1588 mlx5_cache_list_destroy(&priv->hrxqs);
1590 if (eth_dev != NULL)
1591 eth_dev->data->dev_private = NULL;
1593 if (eth_dev != NULL) {
1594 /* mac_addrs must not be freed alone because part of
1597 eth_dev->data->mac_addrs = NULL;
1598 rte_eth_dev_release_port(eth_dev);
1601 mlx5_free_shared_dev_ctx(sh);
1602 MLX5_ASSERT(err > 0);
1608 * Comparison callback to sort device data.
1610 * This is meant to be used with qsort().
1613 * Pointer to pointer to first data object.
1615 * Pointer to pointer to second data object.
1618 * 0 if both objects are equal, less than 0 if the first argument is less
1619 * than the second, greater than 0 otherwise.
1622 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1624 const struct mlx5_switch_info *si_a =
1625 &((const struct mlx5_dev_spawn_data *)a)->info;
1626 const struct mlx5_switch_info *si_b =
1627 &((const struct mlx5_dev_spawn_data *)b)->info;
1630 /* Master device first. */
1631 ret = si_b->master - si_a->master;
1634 /* Then representor devices. */
1635 ret = si_b->representor - si_a->representor;
1638 /* Unidentified devices come last in no specific order. */
1639 if (!si_a->representor)
1641 /* Order representors by name. */
1642 return si_a->port_name - si_b->port_name;
1646 * Match PCI information for possible slaves of bonding device.
1648 * @param[in] ibv_dev
1649 * Pointer to Infiniband device structure.
1650 * @param[in] pci_dev
1651 * Pointer to PCI device structure to match PCI address.
1652 * @param[in] nl_rdma
1653 * Netlink RDMA group socket handle.
1656 * negative value if no bonding device found, otherwise
1657 * positive index of slave PF in bonding.
1660 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1661 const struct rte_pci_device *pci_dev,
1664 char ifname[IF_NAMESIZE + 1];
1665 unsigned int ifindex;
1671 * Try to get master device name. If something goes
1672 * wrong suppose the lack of kernel support and no
1677 if (!strstr(ibv_dev->name, "bond"))
1679 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1683 * The Master device might not be on the predefined
1684 * port (not on port index 1, it is not garanted),
1685 * we have to scan all Infiniband device port and
1688 for (i = 1; i <= np; ++i) {
1689 /* Check whether Infiniband port is populated. */
1690 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1693 if (!if_indextoname(ifindex, ifname))
1695 /* Try to read bonding slave names from sysfs. */
1697 "/sys/class/net/%s/master/bonding/slaves", ifname);
1698 file = fopen(slaves, "r");
1704 /* Use safe format to check maximal buffer length. */
1705 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1706 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1707 char tmp_str[IF_NAMESIZE + 32];
1708 struct rte_pci_addr pci_addr;
1709 struct mlx5_switch_info info;
1711 /* Process slave interface names in the loop. */
1712 snprintf(tmp_str, sizeof(tmp_str),
1713 "/sys/class/net/%s", ifname);
1714 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1715 DRV_LOG(WARNING, "can not get PCI address"
1716 " for netdev \"%s\"", ifname);
1719 if (pci_dev->addr.domain != pci_addr.domain ||
1720 pci_dev->addr.bus != pci_addr.bus ||
1721 pci_dev->addr.devid != pci_addr.devid ||
1722 pci_dev->addr.function != pci_addr.function)
1724 /* Slave interface PCI address match found. */
1726 snprintf(tmp_str, sizeof(tmp_str),
1727 "/sys/class/net/%s/phys_port_name", ifname);
1728 file = fopen(tmp_str, "rb");
1731 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1732 if (fscanf(file, "%32s", tmp_str) == 1)
1733 mlx5_translate_port_name(tmp_str, &info);
1734 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1735 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1736 pf = info.port_name;
1745 * DPDK callback to register a PCI device.
1747 * This function spawns Ethernet devices out of a given PCI device.
1749 * @param[in] pci_drv
1750 * PCI driver structure (mlx5_driver).
1751 * @param[in] pci_dev
1752 * PCI device information.
1755 * 0 on success, a negative errno value otherwise and rte_errno is set.
1758 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1759 struct rte_pci_device *pci_dev)
1761 struct ibv_device **ibv_list;
1763 * Number of found IB Devices matching with requested PCI BDF.
1764 * nd != 1 means there are multiple IB devices over the same
1765 * PCI device and we have representors and master.
1767 unsigned int nd = 0;
1769 * Number of found IB device Ports. nd = 1 and np = 1..n means
1770 * we have the single multiport IB device, and there may be
1771 * representors attached to some of found ports.
1773 unsigned int np = 0;
1775 * Number of DPDK ethernet devices to Spawn - either over
1776 * multiple IB devices or multiple ports of single IB device.
1777 * Actually this is the number of iterations to spawn.
1779 unsigned int ns = 0;
1782 * < 0 - no bonding device (single one)
1783 * >= 0 - bonding device (value is slave PF index)
1786 struct mlx5_dev_spawn_data *list = NULL;
1787 struct mlx5_dev_config dev_config;
1788 unsigned int dev_config_vf;
1791 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1792 mlx5_pmd_socket_init();
1793 ret = mlx5_init_once();
1795 DRV_LOG(ERR, "unable to init PMD global data: %s",
1796 strerror(rte_errno));
1800 ibv_list = mlx5_glue->get_device_list(&ret);
1802 rte_errno = errno ? errno : ENOSYS;
1803 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1807 * First scan the list of all Infiniband devices to find
1808 * matching ones, gathering into the list.
1810 struct ibv_device *ibv_match[ret + 1];
1811 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1812 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1816 struct rte_pci_addr pci_addr;
1818 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1819 bd = mlx5_device_bond_pci_match
1820 (ibv_list[ret], pci_dev, nl_rdma);
1823 * Bonding device detected. Only one match is allowed,
1824 * the bonding is supported over multi-port IB device,
1825 * there should be no matches on representor PCI
1826 * functions or non VF LAG bonding devices with
1827 * specified address.
1831 "multiple PCI match on bonding device"
1832 "\"%s\" found", ibv_list[ret]->name);
1837 DRV_LOG(INFO, "PCI information matches for"
1838 " slave %d bonding device \"%s\"",
1839 bd, ibv_list[ret]->name);
1840 ibv_match[nd++] = ibv_list[ret];
1843 if (mlx5_dev_to_pci_addr
1844 (ibv_list[ret]->ibdev_path, &pci_addr))
1846 if (pci_dev->addr.domain != pci_addr.domain ||
1847 pci_dev->addr.bus != pci_addr.bus ||
1848 pci_dev->addr.devid != pci_addr.devid ||
1849 pci_dev->addr.function != pci_addr.function)
1851 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1852 ibv_list[ret]->name);
1853 ibv_match[nd++] = ibv_list[ret];
1855 ibv_match[nd] = NULL;
1857 /* No device matches, just complain and bail out. */
1859 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1860 " are kernel drivers loaded?",
1861 pci_dev->addr.domain, pci_dev->addr.bus,
1862 pci_dev->addr.devid, pci_dev->addr.function);
1869 * Found single matching device may have multiple ports.
1870 * Each port may be representor, we have to check the port
1871 * number and check the representors existence.
1874 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1876 DRV_LOG(WARNING, "can not get IB device \"%s\""
1877 " ports number", ibv_match[0]->name);
1878 if (bd >= 0 && !np) {
1879 DRV_LOG(ERR, "can not get ports"
1880 " for bonding device");
1886 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1889 * This may happen if there is VF LAG kernel support and
1890 * application is compiled with older rdma_core library.
1893 "No kernel/verbs support for VF LAG bonding found.");
1894 rte_errno = ENOTSUP;
1900 * Now we can determine the maximal
1901 * amount of devices to be spawned.
1903 list = mlx5_malloc(MLX5_MEM_ZERO,
1904 sizeof(struct mlx5_dev_spawn_data) *
1906 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1908 DRV_LOG(ERR, "spawn data array allocation failure");
1913 if (bd >= 0 || np > 1) {
1915 * Single IB device with multiple ports found,
1916 * it may be E-Switch master device and representors.
1917 * We have to perform identification through the ports.
1919 MLX5_ASSERT(nl_rdma >= 0);
1920 MLX5_ASSERT(ns == 0);
1921 MLX5_ASSERT(nd == 1);
1923 for (i = 1; i <= np; ++i) {
1924 list[ns].max_port = np;
1925 list[ns].phys_port = i;
1926 list[ns].phys_dev = ibv_match[0];
1927 list[ns].eth_dev = NULL;
1928 list[ns].pci_dev = pci_dev;
1929 list[ns].pf_bond = bd;
1930 list[ns].ifindex = mlx5_nl_ifindex
1932 mlx5_os_get_dev_device_name
1933 (list[ns].phys_dev), i);
1934 if (!list[ns].ifindex) {
1936 * No network interface index found for the
1937 * specified port, it means there is no
1938 * representor on this port. It's OK,
1939 * there can be disabled ports, for example
1940 * if sriov_numvfs < sriov_totalvfs.
1946 ret = mlx5_nl_switch_info
1950 if (ret || (!list[ns].info.representor &&
1951 !list[ns].info.master)) {
1953 * We failed to recognize representors with
1954 * Netlink, let's try to perform the task
1957 ret = mlx5_sysfs_switch_info
1961 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
1962 if (!ret && bd >= 0) {
1963 switch (list[ns].info.name_type) {
1964 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1965 if (list[ns].info.port_name == bd)
1968 case MLX5_PHYS_PORT_NAME_TYPE_PFHPF:
1970 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1971 if (list[ns].info.pf_num == bd)
1980 if (!ret && (list[ns].info.representor ^
1981 list[ns].info.master))
1986 "unable to recognize master/representors"
1987 " on the IB device with multiple ports");
1994 * The existence of several matching entries (nd > 1) means
1995 * port representors have been instantiated. No existing Verbs
1996 * call nor sysfs entries can tell them apart, this can only
1997 * be done through Netlink calls assuming kernel drivers are
1998 * recent enough to support them.
2000 * In the event of identification failure through Netlink,
2001 * try again through sysfs, then:
2003 * 1. A single IB device matches (nd == 1) with single
2004 * port (np=0/1) and is not a representor, assume
2005 * no switch support.
2007 * 2. Otherwise no safe assumptions can be made;
2008 * complain louder and bail out.
2010 for (i = 0; i != nd; ++i) {
2011 memset(&list[ns].info, 0, sizeof(list[ns].info));
2012 list[ns].max_port = 1;
2013 list[ns].phys_port = 1;
2014 list[ns].phys_dev = ibv_match[i];
2015 list[ns].eth_dev = NULL;
2016 list[ns].pci_dev = pci_dev;
2017 list[ns].pf_bond = -1;
2018 list[ns].ifindex = 0;
2020 list[ns].ifindex = mlx5_nl_ifindex
2022 mlx5_os_get_dev_device_name
2023 (list[ns].phys_dev), 1);
2024 if (!list[ns].ifindex) {
2025 char ifname[IF_NAMESIZE];
2028 * Netlink failed, it may happen with old
2029 * ib_core kernel driver (before 4.16).
2030 * We can assume there is old driver because
2031 * here we are processing single ports IB
2032 * devices. Let's try sysfs to retrieve
2033 * the ifindex. The method works for
2034 * master device only.
2038 * Multiple devices found, assume
2039 * representors, can not distinguish
2040 * master/representor and retrieve
2041 * ifindex via sysfs.
2045 ret = mlx5_get_ifname_sysfs
2046 (ibv_match[i]->ibdev_path, ifname);
2049 if_nametoindex(ifname);
2050 if (!list[ns].ifindex) {
2052 * No network interface index found
2053 * for the specified device, it means
2054 * there it is neither representor
2062 ret = mlx5_nl_switch_info
2066 if (ret || (!list[ns].info.representor &&
2067 !list[ns].info.master)) {
2069 * We failed to recognize representors with
2070 * Netlink, let's try to perform the task
2073 ret = mlx5_sysfs_switch_info
2077 if (!ret && (list[ns].info.representor ^
2078 list[ns].info.master)) {
2080 } else if ((nd == 1) &&
2081 !list[ns].info.representor &&
2082 !list[ns].info.master) {
2084 * Single IB device with
2085 * one physical port and
2086 * attached network device.
2087 * May be SRIOV is not enabled
2088 * or there is no representors.
2090 DRV_LOG(INFO, "no E-Switch support detected");
2097 "unable to recognize master/representors"
2098 " on the multiple IB devices");
2106 * Sort list to probe devices in natural order for users convenience
2107 * (i.e. master first, then representors from lowest to highest ID).
2109 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
2110 /* Device specific configuration. */
2111 switch (pci_dev->id.device_id) {
2112 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
2113 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
2114 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
2115 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
2116 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
2117 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
2118 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
2125 for (i = 0; i != ns; ++i) {
2128 /* Default configuration. */
2129 memset(&dev_config, 0, sizeof(struct mlx5_dev_config));
2130 dev_config.vf = dev_config_vf;
2131 dev_config.mps = MLX5_ARG_UNSET;
2132 dev_config.dbnc = MLX5_ARG_UNSET;
2133 dev_config.rx_vec_en = 1;
2134 dev_config.txq_inline_max = MLX5_ARG_UNSET;
2135 dev_config.txq_inline_min = MLX5_ARG_UNSET;
2136 dev_config.txq_inline_mpw = MLX5_ARG_UNSET;
2137 dev_config.txqs_inline = MLX5_ARG_UNSET;
2138 dev_config.vf_nl_en = 1;
2139 dev_config.mr_ext_memseg_en = 1;
2140 dev_config.mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN;
2141 dev_config.mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS;
2142 dev_config.dv_esw_en = 1;
2143 dev_config.dv_flow_en = 1;
2144 dev_config.decap_en = 1;
2145 dev_config.log_hp_size = MLX5_ARG_UNSET;
2146 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
2149 if (!list[i].eth_dev) {
2150 if (rte_errno != EBUSY && rte_errno != EEXIST)
2152 /* Device is disabled or already spawned. Ignore it. */
2155 restore = list[i].eth_dev->data->dev_flags;
2156 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
2157 /* Restore non-PCI flags cleared by the above call. */
2158 list[i].eth_dev->data->dev_flags |= restore;
2159 rte_eth_dev_probing_finish(list[i].eth_dev);
2163 "probe of PCI device " PCI_PRI_FMT " aborted after"
2164 " encountering an error: %s",
2165 pci_dev->addr.domain, pci_dev->addr.bus,
2166 pci_dev->addr.devid, pci_dev->addr.function,
2167 strerror(rte_errno));
2171 if (!list[i].eth_dev)
2173 mlx5_dev_close(list[i].eth_dev);
2174 /* mac_addrs must not be freed because in dev_private */
2175 list[i].eth_dev->data->mac_addrs = NULL;
2176 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
2178 /* Restore original error. */
2185 * Do the routine cleanup:
2186 * - close opened Netlink sockets
2187 * - free allocated spawn data array
2188 * - free the Infiniband device list
2196 MLX5_ASSERT(ibv_list);
2197 mlx5_glue->free_device_list(ibv_list);
2202 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
2207 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
2208 /* Get environment variable to store. */
2209 env = getenv(MLX5_SHUT_UP_BF);
2210 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
2211 if (config->dbnc == MLX5_ARG_UNSET)
2212 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
2214 setenv(MLX5_SHUT_UP_BF,
2215 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
2220 mlx5_restore_doorbell_mapping_env(int value)
2222 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
2223 /* Restore the original environment variable state. */
2224 if (value == MLX5_ARG_UNSET)
2225 unsetenv(MLX5_SHUT_UP_BF);
2227 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
2231 * Extract pdn of PD object using DV API.
2234 * Pointer to the verbs PD object.
2236 * Pointer to the PD object number variable.
2239 * 0 on success, error value otherwise.
2242 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
2244 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
2245 struct mlx5dv_obj obj;
2246 struct mlx5dv_pd pd_info;
2250 obj.pd.out = &pd_info;
2251 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
2253 DRV_LOG(DEBUG, "Fail to get PD object info");
2262 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
2266 * Function API to open IB device.
2268 * This function calls the Linux glue APIs to open a device.
2271 * Pointer to the IB device attributes (name, port, etc).
2272 * @param[out] config
2273 * Pointer to device configuration structure.
2275 * Pointer to shared context structure.
2278 * 0 on success, a positive error value otherwise.
2281 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
2282 const struct mlx5_dev_config *config,
2283 struct mlx5_dev_ctx_shared *sh)
2288 sh->numa_node = spawn->pci_dev->device.numa_node;
2289 pthread_mutex_init(&sh->txpp.mutex, NULL);
2291 * Configure environment variable "MLX5_BF_SHUT_UP"
2292 * before the device creation. The rdma_core library
2293 * checks the variable at device creation and
2294 * stores the result internally.
2296 dbmap_env = mlx5_config_doorbell_mapping_env(config);
2297 /* Try to open IB device with DV first, then usual Verbs. */
2299 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
2302 DRV_LOG(DEBUG, "DevX is supported");
2303 /* The device is created, no need for environment. */
2304 mlx5_restore_doorbell_mapping_env(dbmap_env);
2306 /* The environment variable is still configured. */
2307 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
2308 err = errno ? errno : ENODEV;
2310 * The environment variable is not needed anymore,
2311 * all device creation attempts are completed.
2313 mlx5_restore_doorbell_mapping_env(dbmap_env);
2316 DRV_LOG(DEBUG, "DevX is NOT supported");
2323 * Install shared asynchronous device events handler.
2324 * This function is implemented to support event sharing
2325 * between multiple ports of single IB device.
2328 * Pointer to mlx5_dev_ctx_shared object.
2331 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
2336 sh->intr_handle.fd = -1;
2337 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
2338 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
2339 F_SETFL, flags | O_NONBLOCK);
2341 DRV_LOG(INFO, "failed to change file descriptor async event"
2344 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
2345 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
2346 if (rte_intr_callback_register(&sh->intr_handle,
2347 mlx5_dev_interrupt_handler, sh)) {
2348 DRV_LOG(INFO, "Fail to install the shared interrupt.");
2349 sh->intr_handle.fd = -1;
2353 #ifdef HAVE_IBV_DEVX_ASYNC
2354 sh->intr_handle_devx.fd = -1;
2356 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
2357 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
2359 DRV_LOG(INFO, "failed to allocate devx_comp.");
2362 flags = fcntl(devx_comp->fd, F_GETFL);
2363 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
2365 DRV_LOG(INFO, "failed to change file descriptor"
2369 sh->intr_handle_devx.fd = devx_comp->fd;
2370 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
2371 if (rte_intr_callback_register(&sh->intr_handle_devx,
2372 mlx5_dev_interrupt_handler_devx, sh)) {
2373 DRV_LOG(INFO, "Fail to install the devx shared"
2375 sh->intr_handle_devx.fd = -1;
2377 #endif /* HAVE_IBV_DEVX_ASYNC */
2382 * Uninstall shared asynchronous device events handler.
2383 * This function is implemented to support event sharing
2384 * between multiple ports of single IB device.
2387 * Pointer to mlx5_dev_ctx_shared object.
2390 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
2392 if (sh->intr_handle.fd >= 0)
2393 mlx5_intr_callback_unregister(&sh->intr_handle,
2394 mlx5_dev_interrupt_handler, sh);
2395 #ifdef HAVE_IBV_DEVX_ASYNC
2396 if (sh->intr_handle_devx.fd >= 0)
2397 rte_intr_callback_unregister(&sh->intr_handle_devx,
2398 mlx5_dev_interrupt_handler_devx, sh);
2400 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
2405 * Read statistics by a named counter.
2408 * Pointer to the private device data structure.
2409 * @param[in] ctr_name
2410 * Pointer to the name of the statistic counter to read
2412 * Pointer to read statistic value.
2414 * 0 on success and stat is valud, 1 if failed to read the value
2419 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2425 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2426 priv->sh->ibdev_path,
2429 fd = open(path, O_RDONLY);
2431 * in switchdev the file location is not per port
2432 * but rather in <ibdev_path>/hw_counters/<file_name>.
2435 MKSTR(path1, "%s/hw_counters/%s",
2436 priv->sh->ibdev_path,
2438 fd = open(path1, O_RDONLY);
2441 char buf[21] = {'\0'};
2442 ssize_t n = read(fd, buf, sizeof(buf));
2446 *stat = strtoull(buf, NULL, 10);
2456 * Set the reg_mr and dereg_mr call backs
2458 * @param reg_mr_cb[out]
2459 * Pointer to reg_mr func
2460 * @param dereg_mr_cb[out]
2461 * Pointer to dereg_mr func
2465 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2466 mlx5_dereg_mr_t *dereg_mr_cb)
2468 *reg_mr_cb = mlx5_verbs_ops.reg_mr;
2469 *dereg_mr_cb = mlx5_verbs_ops.dereg_mr;
2473 * Remove a MAC address from device
2476 * Pointer to Ethernet device structure.
2478 * MAC address index.
2481 mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
2483 struct mlx5_priv *priv = dev->data->dev_private;
2484 const int vf = priv->config.vf;
2487 mlx5_nl_mac_addr_remove(priv->nl_socket_route,
2488 mlx5_ifindex(dev), priv->mac_own,
2489 &dev->data->mac_addrs[index], index);
2493 * Adds a MAC address to the device
2496 * Pointer to Ethernet device structure.
2498 * MAC address to register.
2500 * MAC address index.
2503 * 0 on success, a negative errno value otherwise
2506 mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
2509 struct mlx5_priv *priv = dev->data->dev_private;
2510 const int vf = priv->config.vf;
2514 ret = mlx5_nl_mac_addr_add(priv->nl_socket_route,
2515 mlx5_ifindex(dev), priv->mac_own,
2521 * Modify a VF MAC address
2524 * Pointer to device private data.
2526 * MAC address to modify into.
2528 * Net device interface index
2533 * 0 on success, a negative errno value otherwise
2536 mlx5_os_vf_mac_addr_modify(struct mlx5_priv *priv,
2537 unsigned int iface_idx,
2538 struct rte_ether_addr *mac_addr,
2541 return mlx5_nl_vf_mac_addr_modify
2542 (priv->nl_socket_route, iface_idx, mac_addr, vf_index);
2546 * Set device promiscuous mode
2549 * Pointer to Ethernet device structure.
2551 * 0 - promiscuous is disabled, otherwise - enabled
2554 * 0 on success, a negative error value otherwise
2557 mlx5_os_set_promisc(struct rte_eth_dev *dev, int enable)
2559 struct mlx5_priv *priv = dev->data->dev_private;
2561 return mlx5_nl_promisc(priv->nl_socket_route,
2562 mlx5_ifindex(dev), !!enable);
2566 * Set device promiscuous mode
2569 * Pointer to Ethernet device structure.
2571 * 0 - all multicase is disabled, otherwise - enabled
2574 * 0 on success, a negative error value otherwise
2577 mlx5_os_set_allmulti(struct rte_eth_dev *dev, int enable)
2579 struct mlx5_priv *priv = dev->data->dev_private;
2581 return mlx5_nl_allmulti(priv->nl_socket_route,
2582 mlx5_ifindex(dev), !!enable);
2586 * Flush device MAC addresses
2589 * Pointer to Ethernet device structure.
2593 mlx5_os_mac_addr_flush(struct rte_eth_dev *dev)
2595 struct mlx5_priv *priv = dev->data->dev_private;
2597 mlx5_nl_mac_addr_flush(priv->nl_socket_route, mlx5_ifindex(dev),
2598 dev->data->mac_addrs,
2599 MLX5_MAX_MAC_ADDRESSES, priv->mac_own);
2602 const struct eth_dev_ops mlx5_os_dev_ops = {
2603 .dev_configure = mlx5_dev_configure,
2604 .dev_start = mlx5_dev_start,
2605 .dev_stop = mlx5_dev_stop,
2606 .dev_set_link_down = mlx5_set_link_down,
2607 .dev_set_link_up = mlx5_set_link_up,
2608 .dev_close = mlx5_dev_close,
2609 .promiscuous_enable = mlx5_promiscuous_enable,
2610 .promiscuous_disable = mlx5_promiscuous_disable,
2611 .allmulticast_enable = mlx5_allmulticast_enable,
2612 .allmulticast_disable = mlx5_allmulticast_disable,
2613 .link_update = mlx5_link_update,
2614 .stats_get = mlx5_stats_get,
2615 .stats_reset = mlx5_stats_reset,
2616 .xstats_get = mlx5_xstats_get,
2617 .xstats_reset = mlx5_xstats_reset,
2618 .xstats_get_names = mlx5_xstats_get_names,
2619 .fw_version_get = mlx5_fw_version_get,
2620 .dev_infos_get = mlx5_dev_infos_get,
2621 .read_clock = mlx5_txpp_read_clock,
2622 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2623 .vlan_filter_set = mlx5_vlan_filter_set,
2624 .rx_queue_setup = mlx5_rx_queue_setup,
2625 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2626 .tx_queue_setup = mlx5_tx_queue_setup,
2627 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2628 .rx_queue_release = mlx5_rx_queue_release,
2629 .tx_queue_release = mlx5_tx_queue_release,
2630 .rx_queue_start = mlx5_rx_queue_start,
2631 .rx_queue_stop = mlx5_rx_queue_stop,
2632 .tx_queue_start = mlx5_tx_queue_start,
2633 .tx_queue_stop = mlx5_tx_queue_stop,
2634 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2635 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2636 .mac_addr_remove = mlx5_mac_addr_remove,
2637 .mac_addr_add = mlx5_mac_addr_add,
2638 .mac_addr_set = mlx5_mac_addr_set,
2639 .set_mc_addr_list = mlx5_set_mc_addr_list,
2640 .mtu_set = mlx5_dev_set_mtu,
2641 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2642 .vlan_offload_set = mlx5_vlan_offload_set,
2643 .reta_update = mlx5_dev_rss_reta_update,
2644 .reta_query = mlx5_dev_rss_reta_query,
2645 .rss_hash_update = mlx5_rss_hash_update,
2646 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2647 .filter_ctrl = mlx5_dev_filter_ctrl,
2648 .rxq_info_get = mlx5_rxq_info_get,
2649 .txq_info_get = mlx5_txq_info_get,
2650 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2651 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2652 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2653 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2654 .is_removed = mlx5_is_removed,
2655 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2656 .get_module_info = mlx5_get_module_info,
2657 .get_module_eeprom = mlx5_get_module_eeprom,
2658 .hairpin_cap_get = mlx5_hairpin_cap_get,
2659 .mtr_ops_get = mlx5_flow_meter_ops_get,
2660 .hairpin_bind = mlx5_hairpin_bind,
2661 .hairpin_unbind = mlx5_hairpin_unbind,
2662 .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
2663 .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
2664 .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
2665 .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,
2668 /* Available operations from secondary process. */
2669 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2670 .stats_get = mlx5_stats_get,
2671 .stats_reset = mlx5_stats_reset,
2672 .xstats_get = mlx5_xstats_get,
2673 .xstats_reset = mlx5_xstats_reset,
2674 .xstats_get_names = mlx5_xstats_get_names,
2675 .fw_version_get = mlx5_fw_version_get,
2676 .dev_infos_get = mlx5_dev_infos_get,
2677 .read_clock = mlx5_txpp_read_clock,
2678 .rx_queue_start = mlx5_rx_queue_start,
2679 .rx_queue_stop = mlx5_rx_queue_stop,
2680 .tx_queue_start = mlx5_tx_queue_start,
2681 .tx_queue_stop = mlx5_tx_queue_stop,
2682 .rxq_info_get = mlx5_rxq_info_get,
2683 .txq_info_get = mlx5_txq_info_get,
2684 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2685 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2686 .get_module_info = mlx5_get_module_info,
2687 .get_module_eeprom = mlx5_get_module_eeprom,
2690 /* Available operations in flow isolated mode. */
2691 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2692 .dev_configure = mlx5_dev_configure,
2693 .dev_start = mlx5_dev_start,
2694 .dev_stop = mlx5_dev_stop,
2695 .dev_set_link_down = mlx5_set_link_down,
2696 .dev_set_link_up = mlx5_set_link_up,
2697 .dev_close = mlx5_dev_close,
2698 .promiscuous_enable = mlx5_promiscuous_enable,
2699 .promiscuous_disable = mlx5_promiscuous_disable,
2700 .allmulticast_enable = mlx5_allmulticast_enable,
2701 .allmulticast_disable = mlx5_allmulticast_disable,
2702 .link_update = mlx5_link_update,
2703 .stats_get = mlx5_stats_get,
2704 .stats_reset = mlx5_stats_reset,
2705 .xstats_get = mlx5_xstats_get,
2706 .xstats_reset = mlx5_xstats_reset,
2707 .xstats_get_names = mlx5_xstats_get_names,
2708 .fw_version_get = mlx5_fw_version_get,
2709 .dev_infos_get = mlx5_dev_infos_get,
2710 .read_clock = mlx5_txpp_read_clock,
2711 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2712 .vlan_filter_set = mlx5_vlan_filter_set,
2713 .rx_queue_setup = mlx5_rx_queue_setup,
2714 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2715 .tx_queue_setup = mlx5_tx_queue_setup,
2716 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2717 .rx_queue_release = mlx5_rx_queue_release,
2718 .tx_queue_release = mlx5_tx_queue_release,
2719 .rx_queue_start = mlx5_rx_queue_start,
2720 .rx_queue_stop = mlx5_rx_queue_stop,
2721 .tx_queue_start = mlx5_tx_queue_start,
2722 .tx_queue_stop = mlx5_tx_queue_stop,
2723 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2724 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2725 .mac_addr_remove = mlx5_mac_addr_remove,
2726 .mac_addr_add = mlx5_mac_addr_add,
2727 .mac_addr_set = mlx5_mac_addr_set,
2728 .set_mc_addr_list = mlx5_set_mc_addr_list,
2729 .mtu_set = mlx5_dev_set_mtu,
2730 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2731 .vlan_offload_set = mlx5_vlan_offload_set,
2732 .filter_ctrl = mlx5_dev_filter_ctrl,
2733 .rxq_info_get = mlx5_rxq_info_get,
2734 .txq_info_get = mlx5_txq_info_get,
2735 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2736 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2737 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2738 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2739 .is_removed = mlx5_is_removed,
2740 .get_module_info = mlx5_get_module_info,
2741 .get_module_eeprom = mlx5_get_module_eeprom,
2742 .hairpin_cap_get = mlx5_hairpin_cap_get,
2743 .mtr_ops_get = mlx5_flow_meter_ops_get,
2744 .hairpin_bind = mlx5_hairpin_bind,
2745 .hairpin_unbind = mlx5_hairpin_unbind,
2746 .hairpin_get_peer_ports = mlx5_hairpin_get_peer_ports,
2747 .hairpin_queue_peer_update = mlx5_hairpin_queue_peer_update,
2748 .hairpin_queue_peer_bind = mlx5_hairpin_queue_peer_bind,
2749 .hairpin_queue_peer_unbind = mlx5_hairpin_queue_peer_unbind,