1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2020 Mellanox Technologies, Ltd
14 #include <linux/rtnetlink.h>
15 #include <linux/sockios.h>
16 #include <linux/ethtool.h>
20 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
22 #pragma GCC diagnostic ignored "-Wpedantic"
24 #include <infiniband/verbs.h>
26 #pragma GCC diagnostic error "-Wpedantic"
29 #include <rte_malloc.h>
30 #include <rte_ethdev_driver.h>
31 #include <rte_ethdev_pci.h>
33 #include <rte_bus_pci.h>
34 #include <rte_common.h>
35 #include <rte_kvargs.h>
36 #include <rte_rwlock.h>
37 #include <rte_spinlock.h>
38 #include <rte_string_fns.h>
39 #include <rte_alarm.h>
41 #include <mlx5_glue.h>
42 #include <mlx5_devx_cmds.h>
43 #include <mlx5_common.h>
44 #include <mlx5_common_mp.h>
45 #include <mlx5_common_mr.h>
47 #include "mlx5_defs.h"
49 #include "mlx5_utils.h"
50 #include "mlx5_rxtx.h"
51 #include "mlx5_autoconf.h"
53 #include "mlx5_flow.h"
54 #include "rte_pmd_mlx5.h"
56 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
58 #ifndef HAVE_IBV_MLX5_MOD_MPW
59 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
60 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
63 #ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
64 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
68 * Get device name. Given an ibv_device pointer - return a
69 * pointer to the corresponding device name.
72 * Pointer to ibv device.
75 * Pointer to device name if dev is valid, NULL otherwise.
78 mlx5_os_get_dev_device_name(void *dev)
82 return ((struct ibv_device *)dev)->name;
86 * Get ibv device name. Given an ibv_context pointer - return a
87 * pointer to the corresponding device name.
90 * Pointer to ibv context.
93 * Pointer to device name if ctx is valid, NULL otherwise.
96 mlx5_os_get_ctx_device_name(void *ctx)
100 return ((struct ibv_context *)ctx)->device->name;
104 * Get ibv device path name. Given an ibv_context pointer - return a
105 * pointer to the corresponding device path name.
108 * Pointer to ibv context.
111 * Pointer to device path name if ctx is valid, NULL otherwise.
114 mlx5_os_get_ctx_device_path(void *ctx)
119 return ((struct ibv_context *)ctx)->device->ibdev_path;
123 * Get umem id. Given a pointer to umem object of type
124 * 'struct mlx5dv_devx_umem *' - return its id.
127 * Pointer to umem object.
130 * The umem id if umem is valid, 0 otherwise.
133 mlx5_os_get_umem_id(void *umem)
137 return ((struct mlx5dv_devx_umem *)umem)->umem_id;
141 * Get mlx5 device attributes. The glue function query_device_ex() is called
142 * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
143 * device attributes from the glue out parameter.
146 * Pointer to ibv context.
149 * Pointer to mlx5 device attributes.
152 * 0 on success, non zero error number otherwise
155 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
158 struct ibv_device_attr_ex attr_ex;
159 memset(device_attr, 0, sizeof(*device_attr));
160 err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
164 device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
165 device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
166 device_attr->max_sge = attr_ex.orig_attr.max_sge;
167 device_attr->max_cq = attr_ex.orig_attr.max_cq;
168 device_attr->max_qp = attr_ex.orig_attr.max_qp;
169 device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
170 device_attr->max_rwq_indirection_table_size =
171 attr_ex.rss_caps.max_rwq_indirection_table_size;
172 device_attr->max_tso = attr_ex.tso_caps.max_tso;
173 device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
175 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
176 err = mlx5_glue->dv_query_device(ctx, &dv_attr);
180 device_attr->flags = dv_attr.flags;
181 device_attr->comp_mask = dv_attr.comp_mask;
182 #ifdef HAVE_IBV_MLX5_MOD_SWP
183 device_attr->sw_parsing_offloads =
184 dv_attr.sw_parsing_caps.sw_parsing_offloads;
186 device_attr->min_single_stride_log_num_of_bytes =
187 dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
188 device_attr->max_single_stride_log_num_of_bytes =
189 dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
190 device_attr->min_single_wqe_log_num_of_strides =
191 dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
192 device_attr->max_single_wqe_log_num_of_strides =
193 dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
194 device_attr->stride_supported_qpts =
195 dv_attr.striding_rq_caps.supported_qpts;
196 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
197 device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
204 * Verbs callback to allocate a memory. This function should allocate the space
205 * according to the size provided residing inside a huge page.
206 * Please note that all allocation must respect the alignment from libmlx5
207 * (i.e. currently sysconf(_SC_PAGESIZE)).
210 * The size in bytes of the memory to allocate.
212 * A pointer to the callback data.
215 * Allocated buffer, NULL otherwise and rte_errno is set.
218 mlx5_alloc_verbs_buf(size_t size, void *data)
220 struct mlx5_priv *priv = data;
222 size_t alignment = sysconf(_SC_PAGESIZE);
223 unsigned int socket = SOCKET_ID_ANY;
225 if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
226 const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
228 socket = ctrl->socket;
229 } else if (priv->verbs_alloc_ctx.type ==
230 MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
231 const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
233 socket = ctrl->socket;
235 MLX5_ASSERT(data != NULL);
236 ret = rte_malloc_socket(__func__, size, alignment, socket);
243 * Verbs callback to free a memory.
246 * A pointer to the memory to free.
248 * A pointer to the callback data.
251 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
253 MLX5_ASSERT(data != NULL);
258 * Initialize DR related data within private structure.
259 * Routine checks the reference counter and does actual
260 * resources creation/initialization only if counter is zero.
263 * Pointer to the private device data structure.
266 * Zero on success, positive error code otherwise.
269 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
271 struct mlx5_dev_ctx_shared *sh = priv->sh;
272 char s[MLX5_HLIST_NAMESIZE];
276 err = mlx5_alloc_table_hash_list(priv);
278 DRV_LOG(DEBUG, "sh->flow_tbls[%p] already created, reuse\n",
279 (void *)sh->flow_tbls);
282 /* Create tags hash list table. */
283 snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
284 sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
285 if (!sh->tag_table) {
286 DRV_LOG(ERR, "tags with hash creation failed.\n");
290 #ifdef HAVE_MLX5DV_DR
294 /* Shared DV/DR structures is already initialized. */
299 /* Reference counter is zero, we should initialize structures. */
300 domain = mlx5_glue->dr_create_domain(sh->ctx,
301 MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
303 DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
307 sh->rx_domain = domain;
308 domain = mlx5_glue->dr_create_domain(sh->ctx,
309 MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
311 DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
315 pthread_mutex_init(&sh->dv_mutex, NULL);
316 sh->tx_domain = domain;
317 #ifdef HAVE_MLX5DV_DR_ESWITCH
318 if (priv->config.dv_esw_en) {
319 domain = mlx5_glue->dr_create_domain
320 (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
322 DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
326 sh->fdb_domain = domain;
327 sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
330 if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
331 mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
332 mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
334 mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
336 sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
337 #endif /* HAVE_MLX5DV_DR */
342 /* Rollback the created objects. */
344 mlx5_glue->dr_destroy_domain(sh->rx_domain);
345 sh->rx_domain = NULL;
348 mlx5_glue->dr_destroy_domain(sh->tx_domain);
349 sh->tx_domain = NULL;
351 if (sh->fdb_domain) {
352 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
353 sh->fdb_domain = NULL;
355 if (sh->esw_drop_action) {
356 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
357 sh->esw_drop_action = NULL;
359 if (sh->pop_vlan_action) {
360 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
361 sh->pop_vlan_action = NULL;
364 /* tags should be destroyed with flow before. */
365 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
366 sh->tag_table = NULL;
368 mlx5_free_table_hash_list(priv);
373 * Destroy DR related data within private structure.
376 * Pointer to the private device data structure.
379 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
381 struct mlx5_dev_ctx_shared *sh;
383 if (!priv->dr_shared)
388 #ifdef HAVE_MLX5DV_DR
389 MLX5_ASSERT(sh->dv_refcnt);
390 if (sh->dv_refcnt && --sh->dv_refcnt)
393 mlx5_glue->dr_destroy_domain(sh->rx_domain);
394 sh->rx_domain = NULL;
397 mlx5_glue->dr_destroy_domain(sh->tx_domain);
398 sh->tx_domain = NULL;
400 #ifdef HAVE_MLX5DV_DR_ESWITCH
401 if (sh->fdb_domain) {
402 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
403 sh->fdb_domain = NULL;
405 if (sh->esw_drop_action) {
406 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
407 sh->esw_drop_action = NULL;
410 if (sh->pop_vlan_action) {
411 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
412 sh->pop_vlan_action = NULL;
414 pthread_mutex_destroy(&sh->dv_mutex);
415 #endif /* HAVE_MLX5DV_DR */
417 /* tags should be destroyed with flow before. */
418 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
419 sh->tag_table = NULL;
421 mlx5_free_table_hash_list(priv);
425 * Spawn an Ethernet device from Verbs information.
428 * Backing DPDK device.
430 * Verbs device parameters (name, port, switch_info) to spawn.
432 * Device configuration parameters.
435 * A valid Ethernet device object on success, NULL otherwise and rte_errno
436 * is set. The following errors are defined:
438 * EBUSY: device is not supposed to be spawned.
439 * EEXIST: device is already spawned
441 static struct rte_eth_dev *
442 mlx5_dev_spawn(struct rte_device *dpdk_dev,
443 struct mlx5_dev_spawn_data *spawn,
444 struct mlx5_dev_config config)
446 const struct mlx5_switch_info *switch_info = &spawn->info;
447 struct mlx5_dev_ctx_shared *sh = NULL;
448 struct ibv_port_attr port_attr;
449 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
450 struct rte_eth_dev *eth_dev = NULL;
451 struct mlx5_priv *priv = NULL;
453 unsigned int hw_padding = 0;
455 unsigned int cqe_comp;
456 unsigned int cqe_pad = 0;
457 unsigned int tunnel_en = 0;
458 unsigned int mpls_en = 0;
459 unsigned int swp = 0;
460 unsigned int mprq = 0;
461 unsigned int mprq_min_stride_size_n = 0;
462 unsigned int mprq_max_stride_size_n = 0;
463 unsigned int mprq_min_stride_num_n = 0;
464 unsigned int mprq_max_stride_num_n = 0;
465 struct rte_ether_addr mac;
466 char name[RTE_ETH_NAME_MAX_LEN];
467 int own_domain_id = 0;
470 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
471 struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
474 /* Determine if this port representor is supposed to be spawned. */
475 if (switch_info->representor && dpdk_dev->devargs) {
476 struct rte_eth_devargs eth_da;
478 err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
481 DRV_LOG(ERR, "failed to process device arguments: %s",
482 strerror(rte_errno));
485 for (i = 0; i < eth_da.nb_representor_ports; ++i)
486 if (eth_da.representor_ports[i] ==
487 (uint16_t)switch_info->port_name)
489 if (i == eth_da.nb_representor_ports) {
494 /* Build device name. */
495 if (spawn->pf_bond < 0) {
497 if (!switch_info->representor)
498 strlcpy(name, dpdk_dev->name, sizeof(name));
500 snprintf(name, sizeof(name), "%s_representor_%u",
501 dpdk_dev->name, switch_info->port_name);
503 /* Bonding device. */
504 if (!switch_info->representor)
505 snprintf(name, sizeof(name), "%s_%s",
507 mlx5_os_get_dev_device_name(spawn->phys_dev));
509 snprintf(name, sizeof(name), "%s_%s_representor_%u",
511 mlx5_os_get_dev_device_name(spawn->phys_dev),
512 switch_info->port_name);
514 /* check if the device is already spawned */
515 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
519 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
520 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
521 struct mlx5_mp_id mp_id;
523 eth_dev = rte_eth_dev_attach_secondary(name);
524 if (eth_dev == NULL) {
525 DRV_LOG(ERR, "can not attach rte ethdev");
529 eth_dev->device = dpdk_dev;
530 eth_dev->dev_ops = &mlx5_os_dev_sec_ops;
531 err = mlx5_proc_priv_init(eth_dev);
534 mp_id.port_id = eth_dev->data->port_id;
535 strlcpy(mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
536 /* Receive command fd from primary process */
537 err = mlx5_mp_req_verbs_cmd_fd(&mp_id);
540 /* Remap UAR for Tx queues. */
541 err = mlx5_tx_uar_init_secondary(eth_dev, err);
545 * Ethdev pointer is still required as input since
546 * the primary device is not accessible from the
549 eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
550 eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
553 mlx5_dev_close(eth_dev);
557 * Some parameters ("tx_db_nc" in particularly) are needed in
558 * advance to create dv/verbs device context. We proceed the
559 * devargs here to get ones, and later proceed devargs again
560 * to override some hardware settings.
562 err = mlx5_args(&config, dpdk_dev->devargs);
565 DRV_LOG(ERR, "failed to process device arguments: %s",
566 strerror(rte_errno));
569 sh = mlx5_alloc_shared_dev_ctx(spawn, &config);
572 config.devx = sh->devx;
573 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
576 #ifdef HAVE_IBV_MLX5_MOD_SWP
577 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
580 * Multi-packet send is supported by ConnectX-4 Lx PF as well
581 * as all ConnectX-5 devices.
583 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
584 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
586 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
587 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
589 mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
590 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
591 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
592 DRV_LOG(DEBUG, "enhanced MPW is supported");
593 mps = MLX5_MPW_ENHANCED;
595 DRV_LOG(DEBUG, "MPW is supported");
599 DRV_LOG(DEBUG, "MPW isn't supported");
600 mps = MLX5_MPW_DISABLED;
602 #ifdef HAVE_IBV_MLX5_MOD_SWP
603 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
604 swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
605 DRV_LOG(DEBUG, "SWP support: %u", swp);
608 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
609 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
610 struct mlx5dv_striding_rq_caps mprq_caps =
611 dv_attr.striding_rq_caps;
613 DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
614 mprq_caps.min_single_stride_log_num_of_bytes);
615 DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
616 mprq_caps.max_single_stride_log_num_of_bytes);
617 DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
618 mprq_caps.min_single_wqe_log_num_of_strides);
619 DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
620 mprq_caps.max_single_wqe_log_num_of_strides);
621 DRV_LOG(DEBUG, "\tsupported_qpts: %d",
622 mprq_caps.supported_qpts);
623 DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
625 mprq_min_stride_size_n =
626 mprq_caps.min_single_stride_log_num_of_bytes;
627 mprq_max_stride_size_n =
628 mprq_caps.max_single_stride_log_num_of_bytes;
629 mprq_min_stride_num_n =
630 mprq_caps.min_single_wqe_log_num_of_strides;
631 mprq_max_stride_num_n =
632 mprq_caps.max_single_wqe_log_num_of_strides;
635 if (RTE_CACHE_LINE_SIZE == 128 &&
636 !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
640 config.cqe_comp = cqe_comp;
641 #ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
642 /* Whether device supports 128B Rx CQE padding. */
643 cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
644 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
646 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
647 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
648 tunnel_en = ((dv_attr.tunnel_offloads_caps &
649 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
650 (dv_attr.tunnel_offloads_caps &
651 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE) &&
652 (dv_attr.tunnel_offloads_caps &
653 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE));
655 DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
656 tunnel_en ? "" : "not ");
659 "tunnel offloading disabled due to old OFED/rdma-core version");
661 config.tunnel_en = tunnel_en;
662 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
663 mpls_en = ((dv_attr.tunnel_offloads_caps &
664 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
665 (dv_attr.tunnel_offloads_caps &
666 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
667 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
668 mpls_en ? "" : "not ");
670 DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
671 " old OFED/rdma-core version or firmware configuration");
673 config.mpls_en = mpls_en;
674 /* Check port status. */
675 err = mlx5_glue->query_port(sh->ctx, spawn->phys_port, &port_attr);
677 DRV_LOG(ERR, "port query failed: %s", strerror(err));
680 if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
681 DRV_LOG(ERR, "port is not configured in Ethernet mode");
685 if (port_attr.state != IBV_PORT_ACTIVE)
686 DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
687 mlx5_glue->port_state_str(port_attr.state),
689 /* Allocate private eth device data. */
690 priv = rte_zmalloc("ethdev private structure",
692 RTE_CACHE_LINE_SIZE);
694 DRV_LOG(ERR, "priv allocation failure");
699 priv->dev_port = spawn->phys_port;
700 priv->pci_dev = spawn->pci_dev;
701 priv->mtu = RTE_ETHER_MTU;
702 priv->mp_id.port_id = port_id;
703 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
705 /* Initialize UAR access locks for 32bit implementations. */
706 rte_spinlock_init(&priv->uar_lock_cq);
707 for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
708 rte_spinlock_init(&priv->uar_lock[i]);
710 /* Some internal functions rely on Netlink sockets, open them now. */
711 priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
712 priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
713 priv->representor = !!switch_info->representor;
714 priv->master = !!switch_info->master;
715 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
716 priv->vport_meta_tag = 0;
717 priv->vport_meta_mask = 0;
718 priv->pf_bond = spawn->pf_bond;
719 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
721 * The DevX port query API is implemented. E-Switch may use
722 * either vport or reg_c[0] metadata register to match on
723 * vport index. The engaged part of metadata register is
726 if (switch_info->representor || switch_info->master) {
727 devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
728 MLX5DV_DEVX_PORT_MATCH_REG_C_0;
729 err = mlx5_glue->devx_port_query(sh->ctx, spawn->phys_port,
733 "can't query devx port %d on device %s",
735 mlx5_os_get_dev_device_name(spawn->phys_dev));
736 devx_port.comp_mask = 0;
739 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
740 priv->vport_meta_tag = devx_port.reg_c_0.value;
741 priv->vport_meta_mask = devx_port.reg_c_0.mask;
742 if (!priv->vport_meta_mask) {
743 DRV_LOG(ERR, "vport zero mask for port %d"
744 " on bonding device %s",
746 mlx5_os_get_dev_device_name
751 if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
752 DRV_LOG(ERR, "invalid vport tag for port %d"
753 " on bonding device %s",
755 mlx5_os_get_dev_device_name
761 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
762 priv->vport_id = devx_port.vport_num;
763 } else if (spawn->pf_bond >= 0) {
764 DRV_LOG(ERR, "can't deduce vport index for port %d"
765 " on bonding device %s",
767 mlx5_os_get_dev_device_name(spawn->phys_dev));
771 /* Suppose vport index in compatible way. */
772 priv->vport_id = switch_info->representor ?
773 switch_info->port_name + 1 : -1;
777 * Kernel/rdma_core support single E-Switch per PF configurations
778 * only and vport_id field contains the vport index for
779 * associated VF, which is deduced from representor port name.
780 * For example, let's have the IB device port 10, it has
781 * attached network device eth0, which has port name attribute
782 * pf0vf2, we can deduce the VF number as 2, and set vport index
783 * as 3 (2+1). This assigning schema should be changed if the
784 * multiple E-Switch instances per PF configurations or/and PCI
785 * subfunctions are added.
787 priv->vport_id = switch_info->representor ?
788 switch_info->port_name + 1 : -1;
790 /* representor_id field keeps the unmodified VF index. */
791 priv->representor_id = switch_info->representor ?
792 switch_info->port_name : -1;
794 * Look for sibling devices in order to reuse their switch domain
795 * if any, otherwise allocate one.
797 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
798 const struct mlx5_priv *opriv =
799 rte_eth_devices[port_id].data->dev_private;
802 opriv->sh != priv->sh ||
804 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
806 priv->domain_id = opriv->domain_id;
809 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
810 err = rte_eth_switch_domain_alloc(&priv->domain_id);
813 DRV_LOG(ERR, "unable to allocate switch domain: %s",
814 strerror(rte_errno));
819 /* Override some values set by hardware configuration. */
820 mlx5_args(&config, dpdk_dev->devargs);
821 err = mlx5_dev_check_sibling_config(priv, &config);
824 config.hw_csum = !!(sh->device_attr.device_cap_flags_ex &
825 IBV_DEVICE_RAW_IP_CSUM);
826 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
827 (config.hw_csum ? "" : "not "));
828 #if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
829 !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
830 DRV_LOG(DEBUG, "counters are not supported");
832 #if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
833 if (config.dv_flow_en) {
834 DRV_LOG(WARNING, "DV flow is not supported");
835 config.dv_flow_en = 0;
838 config.ind_table_max_size =
839 sh->device_attr.max_rwq_indirection_table_size;
841 * Remove this check once DPDK supports larger/variable
842 * indirection tables.
844 if (config.ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
845 config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
846 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
847 config.ind_table_max_size);
848 config.hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
849 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
850 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
851 (config.hw_vlan_strip ? "" : "not "));
852 config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
853 IBV_RAW_PACKET_CAP_SCATTER_FCS);
854 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
855 (config.hw_fcs_strip ? "" : "not "));
856 #if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
857 hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
858 #elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
859 hw_padding = !!(sh->device_attr.device_cap_flags_ex &
860 IBV_DEVICE_PCI_WRITE_END_PADDING);
862 if (config.hw_padding && !hw_padding) {
863 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
864 config.hw_padding = 0;
865 } else if (config.hw_padding) {
866 DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
868 config.tso = (sh->device_attr.max_tso > 0 &&
869 (sh->device_attr.tso_supported_qpts &
870 (1 << IBV_QPT_RAW_PACKET)));
872 config.tso_max_payload_sz = sh->device_attr.max_tso;
874 * MPW is disabled by default, while the Enhanced MPW is enabled
877 if (config.mps == MLX5_ARG_UNSET)
878 config.mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
881 config.mps = config.mps ? mps : MLX5_MPW_DISABLED;
882 DRV_LOG(INFO, "%sMPS is %s",
883 config.mps == MLX5_MPW_ENHANCED ? "enhanced " :
884 config.mps == MLX5_MPW ? "legacy " : "",
885 config.mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
886 if (config.cqe_comp && !cqe_comp) {
887 DRV_LOG(WARNING, "Rx CQE compression isn't supported");
890 if (config.cqe_pad && !cqe_pad) {
891 DRV_LOG(WARNING, "Rx CQE padding isn't supported");
893 } else if (config.cqe_pad) {
894 DRV_LOG(INFO, "Rx CQE padding is enabled");
897 priv->counter_fallback = 0;
898 err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config.hca_attr);
903 if (!config.hca_attr.flow_counters_dump)
904 priv->counter_fallback = 1;
905 #ifndef HAVE_IBV_DEVX_ASYNC
906 priv->counter_fallback = 1;
908 if (priv->counter_fallback)
909 DRV_LOG(INFO, "Use fall-back DV counter management");
910 /* Check for LRO support. */
911 if (config.dest_tir && config.hca_attr.lro_cap &&
913 /* TBD check tunnel lro caps. */
914 config.lro.supported = config.hca_attr.lro_cap;
915 DRV_LOG(DEBUG, "Device supports LRO");
917 * If LRO timeout is not configured by application,
918 * use the minimal supported value.
920 if (!config.lro.timeout)
922 config.hca_attr.lro_timer_supported_periods[0];
923 DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
926 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
927 if (config.hca_attr.qos.sup && config.hca_attr.qos.srtcm_sup &&
930 config.hca_attr.qos.flow_meter_reg_c_ids;
932 * Meter needs two REG_C's for color match and pre-sfx
933 * flow match. Here get the REG_C for color match.
934 * REG_C_0 and REG_C_1 is reserved for metadata feature.
937 if (__builtin_popcount(reg_c_mask) < 1) {
939 DRV_LOG(WARNING, "No available register for"
942 priv->mtr_color_reg = ffs(reg_c_mask) - 1 +
945 priv->mtr_reg_share =
946 config.hca_attr.qos.flow_meter_reg_share;
947 DRV_LOG(DEBUG, "The REG_C meter uses is %d",
948 priv->mtr_color_reg);
953 if (config.mprq.enabled && mprq) {
954 if (config.mprq.stride_num_n &&
955 (config.mprq.stride_num_n > mprq_max_stride_num_n ||
956 config.mprq.stride_num_n < mprq_min_stride_num_n)) {
957 config.mprq.stride_num_n =
958 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
959 mprq_min_stride_num_n),
960 mprq_max_stride_num_n);
962 "the number of strides"
963 " for Multi-Packet RQ is out of range,"
964 " setting default value (%u)",
965 1 << config.mprq.stride_num_n);
967 if (config.mprq.stride_size_n &&
968 (config.mprq.stride_size_n > mprq_max_stride_size_n ||
969 config.mprq.stride_size_n < mprq_min_stride_size_n)) {
970 config.mprq.stride_size_n =
971 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
972 mprq_min_stride_size_n),
973 mprq_max_stride_size_n);
975 "the size of a stride"
976 " for Multi-Packet RQ is out of range,"
977 " setting default value (%u)",
978 1 << config.mprq.stride_size_n);
980 config.mprq.min_stride_size_n = mprq_min_stride_size_n;
981 config.mprq.max_stride_size_n = mprq_max_stride_size_n;
982 } else if (config.mprq.enabled && !mprq) {
983 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
984 config.mprq.enabled = 0;
986 if (config.max_dump_files_num == 0)
987 config.max_dump_files_num = 128;
988 eth_dev = rte_eth_dev_allocate(name);
989 if (eth_dev == NULL) {
990 DRV_LOG(ERR, "can not allocate rte ethdev");
994 /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
995 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
996 if (priv->representor) {
997 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
998 eth_dev->data->representor_id = priv->representor_id;
1001 * Store associated network device interface index. This index
1002 * is permanent throughout the lifetime of device. So, we may store
1003 * the ifindex here and use the cached value further.
1005 MLX5_ASSERT(spawn->ifindex);
1006 priv->if_index = spawn->ifindex;
1007 eth_dev->data->dev_private = priv;
1008 priv->dev_data = eth_dev->data;
1009 eth_dev->data->mac_addrs = priv->mac;
1010 eth_dev->device = dpdk_dev;
1011 /* Configure the first MAC address by default. */
1012 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1014 "port %u cannot get MAC address, is mlx5_en"
1015 " loaded? (errno: %s)",
1016 eth_dev->data->port_id, strerror(rte_errno));
1021 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1022 eth_dev->data->port_id,
1023 mac.addr_bytes[0], mac.addr_bytes[1],
1024 mac.addr_bytes[2], mac.addr_bytes[3],
1025 mac.addr_bytes[4], mac.addr_bytes[5]);
1026 #ifdef RTE_LIBRTE_MLX5_DEBUG
1028 char ifname[IF_NAMESIZE];
1030 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1031 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1032 eth_dev->data->port_id, ifname);
1034 DRV_LOG(DEBUG, "port %u ifname is unknown",
1035 eth_dev->data->port_id);
1038 /* Get actual MTU if possible. */
1039 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1044 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1046 /* Initialize burst functions to prevent crashes before link-up. */
1047 eth_dev->rx_pkt_burst = removed_rx_burst;
1048 eth_dev->tx_pkt_burst = removed_tx_burst;
1049 eth_dev->dev_ops = &mlx5_os_dev_ops;
1050 /* Register MAC address. */
1051 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1052 if (config.vf && config.vf_nl_en)
1053 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1054 mlx5_ifindex(eth_dev),
1055 eth_dev->data->mac_addrs,
1056 MLX5_MAX_MAC_ADDRESSES);
1058 priv->ctrl_flows = 0;
1059 TAILQ_INIT(&priv->flow_meters);
1060 TAILQ_INIT(&priv->flow_meter_profiles);
1061 /* Hint libmlx5 to use PMD allocator for data plane resources */
1062 struct mlx5dv_ctx_allocators alctr = {
1063 .alloc = &mlx5_alloc_verbs_buf,
1064 .free = &mlx5_free_verbs_buf,
1067 mlx5_glue->dv_set_context_attr(sh->ctx,
1068 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1069 (void *)((uintptr_t)&alctr));
1070 /* Bring Ethernet device up. */
1071 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1072 eth_dev->data->port_id);
1073 mlx5_set_link_up(eth_dev);
1075 * Even though the interrupt handler is not installed yet,
1076 * interrupts will still trigger on the async_fd from
1077 * Verbs context returned by ibv_open_device().
1079 mlx5_link_update(eth_dev, 0);
1080 #ifdef HAVE_MLX5DV_DR_ESWITCH
1081 if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
1082 (switch_info->representor || switch_info->master)))
1083 config.dv_esw_en = 0;
1085 config.dv_esw_en = 0;
1087 /* Detect minimal data bytes to inline. */
1088 mlx5_set_min_inline(spawn, &config);
1089 /* Store device configuration on private structure. */
1090 priv->config = config;
1091 /* Create context for virtual machine VLAN workaround. */
1092 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1093 if (config.dv_flow_en) {
1094 err = mlx5_alloc_shared_dr(priv);
1098 * RSS id is shared with meter flow id. Meter flow id can only
1099 * use the 24 MSB of the register.
1101 priv->qrss_id_pool = mlx5_flow_id_pool_alloc(UINT32_MAX >>
1102 MLX5_MTR_COLOR_BITS);
1103 if (!priv->qrss_id_pool) {
1104 DRV_LOG(ERR, "can't create flow id pool");
1109 /* Supported Verbs flow priority number detection. */
1110 err = mlx5_flow_discover_priorities(eth_dev);
1115 priv->config.flow_prio = err;
1116 if (!priv->config.dv_esw_en &&
1117 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1118 DRV_LOG(WARNING, "metadata mode %u is not supported "
1119 "(no E-Switch)", priv->config.dv_xmeta_en);
1120 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1122 mlx5_set_metadata_mask(eth_dev);
1123 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1124 !priv->sh->dv_regc0_mask) {
1125 DRV_LOG(ERR, "metadata mode %u is not supported "
1126 "(no metadata reg_c[0] is available)",
1127 priv->config.dv_xmeta_en);
1132 * Allocate the buffer for flow creating, just once.
1133 * The allocation must be done before any flow creating.
1135 mlx5_flow_alloc_intermediate(eth_dev);
1136 /* Query availability of metadata reg_c's. */
1137 err = mlx5_flow_discover_mreg_c(eth_dev);
1142 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1144 "port %u extensive metadata register is not supported",
1145 eth_dev->data->port_id);
1146 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1147 DRV_LOG(ERR, "metadata mode %u is not supported "
1148 "(no metadata registers available)",
1149 priv->config.dv_xmeta_en);
1154 if (priv->config.dv_flow_en &&
1155 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1156 mlx5_flow_ext_mreg_supported(eth_dev) &&
1157 priv->sh->dv_regc0_mask) {
1158 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1159 MLX5_FLOW_MREG_HTABLE_SZ);
1160 if (!priv->mreg_cp_tbl) {
1168 if (priv->mreg_cp_tbl)
1169 mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
1171 mlx5_os_free_shared_dr(priv);
1172 if (priv->nl_socket_route >= 0)
1173 close(priv->nl_socket_route);
1174 if (priv->nl_socket_rdma >= 0)
1175 close(priv->nl_socket_rdma);
1176 if (priv->vmwa_context)
1177 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1178 if (priv->qrss_id_pool)
1179 mlx5_flow_id_pool_release(priv->qrss_id_pool);
1181 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1183 if (eth_dev != NULL)
1184 eth_dev->data->dev_private = NULL;
1186 if (eth_dev != NULL) {
1187 /* mac_addrs must not be freed alone because part of
1190 eth_dev->data->mac_addrs = NULL;
1191 rte_eth_dev_release_port(eth_dev);
1194 mlx5_free_shared_dev_ctx(sh);
1195 MLX5_ASSERT(err > 0);
1201 * Comparison callback to sort device data.
1203 * This is meant to be used with qsort().
1206 * Pointer to pointer to first data object.
1208 * Pointer to pointer to second data object.
1211 * 0 if both objects are equal, less than 0 if the first argument is less
1212 * than the second, greater than 0 otherwise.
1215 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1217 const struct mlx5_switch_info *si_a =
1218 &((const struct mlx5_dev_spawn_data *)a)->info;
1219 const struct mlx5_switch_info *si_b =
1220 &((const struct mlx5_dev_spawn_data *)b)->info;
1223 /* Master device first. */
1224 ret = si_b->master - si_a->master;
1227 /* Then representor devices. */
1228 ret = si_b->representor - si_a->representor;
1231 /* Unidentified devices come last in no specific order. */
1232 if (!si_a->representor)
1234 /* Order representors by name. */
1235 return si_a->port_name - si_b->port_name;
1239 * Match PCI information for possible slaves of bonding device.
1241 * @param[in] ibv_dev
1242 * Pointer to Infiniband device structure.
1243 * @param[in] pci_dev
1244 * Pointer to PCI device structure to match PCI address.
1245 * @param[in] nl_rdma
1246 * Netlink RDMA group socket handle.
1249 * negative value if no bonding device found, otherwise
1250 * positive index of slave PF in bonding.
1253 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1254 const struct rte_pci_device *pci_dev,
1257 char ifname[IF_NAMESIZE + 1];
1258 unsigned int ifindex;
1264 * Try to get master device name. If something goes
1265 * wrong suppose the lack of kernel support and no
1270 if (!strstr(ibv_dev->name, "bond"))
1272 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1276 * The Master device might not be on the predefined
1277 * port (not on port index 1, it is not garanted),
1278 * we have to scan all Infiniband device port and
1281 for (i = 1; i <= np; ++i) {
1282 /* Check whether Infiniband port is populated. */
1283 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1286 if (!if_indextoname(ifindex, ifname))
1288 /* Try to read bonding slave names from sysfs. */
1290 "/sys/class/net/%s/master/bonding/slaves", ifname);
1291 file = fopen(slaves, "r");
1297 /* Use safe format to check maximal buffer length. */
1298 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1299 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1300 char tmp_str[IF_NAMESIZE + 32];
1301 struct rte_pci_addr pci_addr;
1302 struct mlx5_switch_info info;
1304 /* Process slave interface names in the loop. */
1305 snprintf(tmp_str, sizeof(tmp_str),
1306 "/sys/class/net/%s", ifname);
1307 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1308 DRV_LOG(WARNING, "can not get PCI address"
1309 " for netdev \"%s\"", ifname);
1312 if (pci_dev->addr.domain != pci_addr.domain ||
1313 pci_dev->addr.bus != pci_addr.bus ||
1314 pci_dev->addr.devid != pci_addr.devid ||
1315 pci_dev->addr.function != pci_addr.function)
1317 /* Slave interface PCI address match found. */
1319 snprintf(tmp_str, sizeof(tmp_str),
1320 "/sys/class/net/%s/phys_port_name", ifname);
1321 file = fopen(tmp_str, "rb");
1324 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1325 if (fscanf(file, "%32s", tmp_str) == 1)
1326 mlx5_translate_port_name(tmp_str, &info);
1327 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1328 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1329 pf = info.port_name;
1338 * DPDK callback to register a PCI device.
1340 * This function spawns Ethernet devices out of a given PCI device.
1342 * @param[in] pci_drv
1343 * PCI driver structure (mlx5_driver).
1344 * @param[in] pci_dev
1345 * PCI device information.
1348 * 0 on success, a negative errno value otherwise and rte_errno is set.
1351 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1352 struct rte_pci_device *pci_dev)
1354 struct ibv_device **ibv_list;
1356 * Number of found IB Devices matching with requested PCI BDF.
1357 * nd != 1 means there are multiple IB devices over the same
1358 * PCI device and we have representors and master.
1360 unsigned int nd = 0;
1362 * Number of found IB device Ports. nd = 1 and np = 1..n means
1363 * we have the single multiport IB device, and there may be
1364 * representors attached to some of found ports.
1366 unsigned int np = 0;
1368 * Number of DPDK ethernet devices to Spawn - either over
1369 * multiple IB devices or multiple ports of single IB device.
1370 * Actually this is the number of iterations to spawn.
1372 unsigned int ns = 0;
1375 * < 0 - no bonding device (single one)
1376 * >= 0 - bonding device (value is slave PF index)
1379 struct mlx5_dev_spawn_data *list = NULL;
1380 struct mlx5_dev_config dev_config;
1383 if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
1384 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
1388 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1389 mlx5_pmd_socket_init();
1390 ret = mlx5_init_once();
1392 DRV_LOG(ERR, "unable to init PMD global data: %s",
1393 strerror(rte_errno));
1396 MLX5_ASSERT(pci_drv == &mlx5_driver);
1398 ibv_list = mlx5_glue->get_device_list(&ret);
1400 rte_errno = errno ? errno : ENOSYS;
1401 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1405 * First scan the list of all Infiniband devices to find
1406 * matching ones, gathering into the list.
1408 struct ibv_device *ibv_match[ret + 1];
1409 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1410 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1414 struct rte_pci_addr pci_addr;
1416 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1417 bd = mlx5_device_bond_pci_match
1418 (ibv_list[ret], pci_dev, nl_rdma);
1421 * Bonding device detected. Only one match is allowed,
1422 * the bonding is supported over multi-port IB device,
1423 * there should be no matches on representor PCI
1424 * functions or non VF LAG bonding devices with
1425 * specified address.
1429 "multiple PCI match on bonding device"
1430 "\"%s\" found", ibv_list[ret]->name);
1435 DRV_LOG(INFO, "PCI information matches for"
1436 " slave %d bonding device \"%s\"",
1437 bd, ibv_list[ret]->name);
1438 ibv_match[nd++] = ibv_list[ret];
1441 if (mlx5_dev_to_pci_addr
1442 (ibv_list[ret]->ibdev_path, &pci_addr))
1444 if (pci_dev->addr.domain != pci_addr.domain ||
1445 pci_dev->addr.bus != pci_addr.bus ||
1446 pci_dev->addr.devid != pci_addr.devid ||
1447 pci_dev->addr.function != pci_addr.function)
1449 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1450 ibv_list[ret]->name);
1451 ibv_match[nd++] = ibv_list[ret];
1453 ibv_match[nd] = NULL;
1455 /* No device matches, just complain and bail out. */
1457 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1458 " are kernel drivers loaded?",
1459 pci_dev->addr.domain, pci_dev->addr.bus,
1460 pci_dev->addr.devid, pci_dev->addr.function);
1467 * Found single matching device may have multiple ports.
1468 * Each port may be representor, we have to check the port
1469 * number and check the representors existence.
1472 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1474 DRV_LOG(WARNING, "can not get IB device \"%s\""
1475 " ports number", ibv_match[0]->name);
1476 if (bd >= 0 && !np) {
1477 DRV_LOG(ERR, "can not get ports"
1478 " for bonding device");
1484 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1487 * This may happen if there is VF LAG kernel support and
1488 * application is compiled with older rdma_core library.
1491 "No kernel/verbs support for VF LAG bonding found.");
1492 rte_errno = ENOTSUP;
1498 * Now we can determine the maximal
1499 * amount of devices to be spawned.
1501 list = rte_zmalloc("device spawn data",
1502 sizeof(struct mlx5_dev_spawn_data) *
1504 RTE_CACHE_LINE_SIZE);
1506 DRV_LOG(ERR, "spawn data array allocation failure");
1511 if (bd >= 0 || np > 1) {
1513 * Single IB device with multiple ports found,
1514 * it may be E-Switch master device and representors.
1515 * We have to perform identification through the ports.
1517 MLX5_ASSERT(nl_rdma >= 0);
1518 MLX5_ASSERT(ns == 0);
1519 MLX5_ASSERT(nd == 1);
1521 for (i = 1; i <= np; ++i) {
1522 list[ns].max_port = np;
1523 list[ns].phys_port = i;
1524 list[ns].phys_dev = ibv_match[0];
1525 list[ns].eth_dev = NULL;
1526 list[ns].pci_dev = pci_dev;
1527 list[ns].pf_bond = bd;
1528 list[ns].ifindex = mlx5_nl_ifindex
1530 mlx5_os_get_dev_device_name
1531 (list[ns].phys_dev), i);
1532 if (!list[ns].ifindex) {
1534 * No network interface index found for the
1535 * specified port, it means there is no
1536 * representor on this port. It's OK,
1537 * there can be disabled ports, for example
1538 * if sriov_numvfs < sriov_totalvfs.
1544 ret = mlx5_nl_switch_info
1548 if (ret || (!list[ns].info.representor &&
1549 !list[ns].info.master)) {
1551 * We failed to recognize representors with
1552 * Netlink, let's try to perform the task
1555 ret = mlx5_sysfs_switch_info
1559 if (!ret && bd >= 0) {
1560 switch (list[ns].info.name_type) {
1561 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1562 if (list[ns].info.port_name == bd)
1565 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1566 if (list[ns].info.pf_num == bd)
1574 if (!ret && (list[ns].info.representor ^
1575 list[ns].info.master))
1580 "unable to recognize master/representors"
1581 " on the IB device with multiple ports");
1588 * The existence of several matching entries (nd > 1) means
1589 * port representors have been instantiated. No existing Verbs
1590 * call nor sysfs entries can tell them apart, this can only
1591 * be done through Netlink calls assuming kernel drivers are
1592 * recent enough to support them.
1594 * In the event of identification failure through Netlink,
1595 * try again through sysfs, then:
1597 * 1. A single IB device matches (nd == 1) with single
1598 * port (np=0/1) and is not a representor, assume
1599 * no switch support.
1601 * 2. Otherwise no safe assumptions can be made;
1602 * complain louder and bail out.
1604 for (i = 0; i != nd; ++i) {
1605 memset(&list[ns].info, 0, sizeof(list[ns].info));
1606 list[ns].max_port = 1;
1607 list[ns].phys_port = 1;
1608 list[ns].phys_dev = ibv_match[i];
1609 list[ns].eth_dev = NULL;
1610 list[ns].pci_dev = pci_dev;
1611 list[ns].pf_bond = -1;
1612 list[ns].ifindex = 0;
1614 list[ns].ifindex = mlx5_nl_ifindex
1616 mlx5_os_get_dev_device_name
1617 (list[ns].phys_dev), 1);
1618 if (!list[ns].ifindex) {
1619 char ifname[IF_NAMESIZE];
1622 * Netlink failed, it may happen with old
1623 * ib_core kernel driver (before 4.16).
1624 * We can assume there is old driver because
1625 * here we are processing single ports IB
1626 * devices. Let's try sysfs to retrieve
1627 * the ifindex. The method works for
1628 * master device only.
1632 * Multiple devices found, assume
1633 * representors, can not distinguish
1634 * master/representor and retrieve
1635 * ifindex via sysfs.
1639 ret = mlx5_get_master_ifname
1640 (ibv_match[i]->ibdev_path, &ifname);
1643 if_nametoindex(ifname);
1644 if (!list[ns].ifindex) {
1646 * No network interface index found
1647 * for the specified device, it means
1648 * there it is neither representor
1656 ret = mlx5_nl_switch_info
1660 if (ret || (!list[ns].info.representor &&
1661 !list[ns].info.master)) {
1663 * We failed to recognize representors with
1664 * Netlink, let's try to perform the task
1667 ret = mlx5_sysfs_switch_info
1671 if (!ret && (list[ns].info.representor ^
1672 list[ns].info.master)) {
1674 } else if ((nd == 1) &&
1675 !list[ns].info.representor &&
1676 !list[ns].info.master) {
1678 * Single IB device with
1679 * one physical port and
1680 * attached network device.
1681 * May be SRIOV is not enabled
1682 * or there is no representors.
1684 DRV_LOG(INFO, "no E-Switch support detected");
1691 "unable to recognize master/representors"
1692 " on the multiple IB devices");
1700 * Sort list to probe devices in natural order for users convenience
1701 * (i.e. master first, then representors from lowest to highest ID).
1703 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
1704 /* Default configuration. */
1705 dev_config = (struct mlx5_dev_config){
1707 .mps = MLX5_ARG_UNSET,
1708 .dbnc = MLX5_ARG_UNSET,
1710 .txq_inline_max = MLX5_ARG_UNSET,
1711 .txq_inline_min = MLX5_ARG_UNSET,
1712 .txq_inline_mpw = MLX5_ARG_UNSET,
1713 .txqs_inline = MLX5_ARG_UNSET,
1715 .mr_ext_memseg_en = 1,
1717 .enabled = 0, /* Disabled by default. */
1720 .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
1721 .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
1725 .log_hp_size = MLX5_ARG_UNSET,
1727 /* Device specific configuration. */
1728 switch (pci_dev->id.device_id) {
1729 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1730 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1731 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1732 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1733 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1734 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1735 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
1741 for (i = 0; i != ns; ++i) {
1744 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1747 if (!list[i].eth_dev) {
1748 if (rte_errno != EBUSY && rte_errno != EEXIST)
1750 /* Device is disabled or already spawned. Ignore it. */
1753 restore = list[i].eth_dev->data->dev_flags;
1754 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
1755 /* Restore non-PCI flags cleared by the above call. */
1756 list[i].eth_dev->data->dev_flags |= restore;
1757 rte_eth_dev_probing_finish(list[i].eth_dev);
1761 "probe of PCI device " PCI_PRI_FMT " aborted after"
1762 " encountering an error: %s",
1763 pci_dev->addr.domain, pci_dev->addr.bus,
1764 pci_dev->addr.devid, pci_dev->addr.function,
1765 strerror(rte_errno));
1769 if (!list[i].eth_dev)
1771 mlx5_dev_close(list[i].eth_dev);
1772 /* mac_addrs must not be freed because in dev_private */
1773 list[i].eth_dev->data->mac_addrs = NULL;
1774 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
1776 /* Restore original error. */
1783 * Do the routine cleanup:
1784 * - close opened Netlink sockets
1785 * - free allocated spawn data array
1786 * - free the Infiniband device list
1794 MLX5_ASSERT(ibv_list);
1795 mlx5_glue->free_device_list(ibv_list);
1800 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
1805 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1806 /* Get environment variable to store. */
1807 env = getenv(MLX5_SHUT_UP_BF);
1808 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
1809 if (config->dbnc == MLX5_ARG_UNSET)
1810 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
1812 setenv(MLX5_SHUT_UP_BF,
1813 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
1818 mlx5_restore_doorbell_mapping_env(int value)
1820 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1821 /* Restore the original environment variable state. */
1822 if (value == MLX5_ARG_UNSET)
1823 unsetenv(MLX5_SHUT_UP_BF);
1825 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
1829 * Extract pdn of PD object using DV API.
1832 * Pointer to the verbs PD object.
1834 * Pointer to the PD object number variable.
1837 * 0 on success, error value otherwise.
1840 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1842 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1843 struct mlx5dv_obj obj;
1844 struct mlx5dv_pd pd_info;
1848 obj.pd.out = &pd_info;
1849 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
1851 DRV_LOG(DEBUG, "Fail to get PD object info");
1860 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
1864 * Function API to open IB device.
1866 * This function calls the Linux glue APIs to open a device.
1869 * Pointer to the IB device attributes (name, port, etc).
1870 * @param[out] config
1871 * Pointer to device configuration structure.
1873 * Pointer to shared context structure.
1876 * 0 on success, a positive error value otherwise.
1879 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
1880 const struct mlx5_dev_config *config,
1881 struct mlx5_dev_ctx_shared *sh)
1886 * Configure environment variable "MLX5_BF_SHUT_UP"
1887 * before the device creation. The rdma_core library
1888 * checks the variable at device creation and
1889 * stores the result internally.
1891 dbmap_env = mlx5_config_doorbell_mapping_env(config);
1892 /* Try to open IB device with DV first, then usual Verbs. */
1894 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
1897 DRV_LOG(DEBUG, "DevX is supported");
1898 /* The device is created, no need for environment. */
1899 mlx5_restore_doorbell_mapping_env(dbmap_env);
1901 /* The environment variable is still configured. */
1902 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
1903 err = errno ? errno : ENODEV;
1905 * The environment variable is not needed anymore,
1906 * all device creation attempts are completed.
1908 mlx5_restore_doorbell_mapping_env(dbmap_env);
1911 DRV_LOG(DEBUG, "DevX is NOT supported");
1918 * Install shared asynchronous device events handler.
1919 * This function is implemented to support event sharing
1920 * between multiple ports of single IB device.
1923 * Pointer to mlx5_dev_ctx_shared object.
1926 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
1931 sh->intr_handle.fd = -1;
1932 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
1933 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
1934 F_SETFL, flags | O_NONBLOCK);
1936 DRV_LOG(INFO, "failed to change file descriptor async event"
1939 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
1940 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
1941 if (rte_intr_callback_register(&sh->intr_handle,
1942 mlx5_dev_interrupt_handler, sh)) {
1943 DRV_LOG(INFO, "Fail to install the shared interrupt.");
1944 sh->intr_handle.fd = -1;
1948 #ifdef HAVE_IBV_DEVX_ASYNC
1949 sh->intr_handle_devx.fd = -1;
1951 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
1952 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
1954 DRV_LOG(INFO, "failed to allocate devx_comp.");
1957 flags = fcntl(devx_comp->fd, F_GETFL);
1958 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
1960 DRV_LOG(INFO, "failed to change file descriptor"
1964 sh->intr_handle_devx.fd = devx_comp->fd;
1965 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
1966 if (rte_intr_callback_register(&sh->intr_handle_devx,
1967 mlx5_dev_interrupt_handler_devx, sh)) {
1968 DRV_LOG(INFO, "Fail to install the devx shared"
1970 sh->intr_handle_devx.fd = -1;
1972 #endif /* HAVE_IBV_DEVX_ASYNC */
1977 * Uninstall shared asynchronous device events handler.
1978 * This function is implemented to support event sharing
1979 * between multiple ports of single IB device.
1982 * Pointer to mlx5_dev_ctx_shared object.
1985 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
1987 if (sh->intr_handle.fd >= 0)
1988 mlx5_intr_callback_unregister(&sh->intr_handle,
1989 mlx5_dev_interrupt_handler, sh);
1990 #ifdef HAVE_IBV_DEVX_ASYNC
1991 if (sh->intr_handle_devx.fd >= 0)
1992 rte_intr_callback_unregister(&sh->intr_handle_devx,
1993 mlx5_dev_interrupt_handler_devx, sh);
1995 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
2000 * Read statistics by a named counter.
2003 * Pointer to the private device data structure.
2004 * @param[in] ctr_name
2005 * Pointer to the name of the statistic counter to read
2007 * Pointer to read statistic value.
2009 * 0 on success and stat is valud, 1 if failed to read the value
2014 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2020 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2021 priv->sh->ibdev_path,
2024 fd = open(path, O_RDONLY);
2026 char buf[21] = {'\0'};
2027 ssize_t n = read(fd, buf, sizeof(buf));
2031 *stat = strtoull(buf, NULL, 10);
2041 * Read device counters table.
2044 * Pointer to Ethernet device.
2046 * Counters table output buffer.
2049 * 0 on success and stats is filled, negative errno value otherwise and
2053 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
2055 struct mlx5_priv *priv = dev->data->dev_private;
2056 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2059 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
2060 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
2061 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
2064 et_stats->cmd = ETHTOOL_GSTATS;
2065 et_stats->n_stats = xstats_ctrl->stats_n;
2066 ifr.ifr_data = (caddr_t)et_stats;
2067 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2070 "port %u unable to read statistic values from device",
2071 dev->data->port_id);
2074 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
2075 if (xstats_ctrl->info[i].dev) {
2076 ret = mlx5_os_read_dev_stat(priv,
2077 xstats_ctrl->info[i].ctr_name,
2079 /* return last xstats counter if fail to read. */
2081 xstats_ctrl->xstats[i] = stats[i];
2083 stats[i] = xstats_ctrl->xstats[i];
2085 stats[i] = (uint64_t)
2086 et_stats->data[xstats_ctrl->dev_table_idx[i]];
2093 * Query the number of statistics provided by ETHTOOL.
2096 * Pointer to Ethernet device.
2099 * Number of statistics on success, negative errno value otherwise and
2103 mlx5_os_get_stats_n(struct rte_eth_dev *dev)
2105 struct ethtool_drvinfo drvinfo;
2109 drvinfo.cmd = ETHTOOL_GDRVINFO;
2110 ifr.ifr_data = (caddr_t)&drvinfo;
2111 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2113 DRV_LOG(WARNING, "port %u unable to query number of statistics",
2114 dev->data->port_id);
2117 return drvinfo.n_stats;
2120 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
2122 .dpdk_name = "rx_port_unicast_bytes",
2123 .ctr_name = "rx_vport_unicast_bytes",
2126 .dpdk_name = "rx_port_multicast_bytes",
2127 .ctr_name = "rx_vport_multicast_bytes",
2130 .dpdk_name = "rx_port_broadcast_bytes",
2131 .ctr_name = "rx_vport_broadcast_bytes",
2134 .dpdk_name = "rx_port_unicast_packets",
2135 .ctr_name = "rx_vport_unicast_packets",
2138 .dpdk_name = "rx_port_multicast_packets",
2139 .ctr_name = "rx_vport_multicast_packets",
2142 .dpdk_name = "rx_port_broadcast_packets",
2143 .ctr_name = "rx_vport_broadcast_packets",
2146 .dpdk_name = "tx_port_unicast_bytes",
2147 .ctr_name = "tx_vport_unicast_bytes",
2150 .dpdk_name = "tx_port_multicast_bytes",
2151 .ctr_name = "tx_vport_multicast_bytes",
2154 .dpdk_name = "tx_port_broadcast_bytes",
2155 .ctr_name = "tx_vport_broadcast_bytes",
2158 .dpdk_name = "tx_port_unicast_packets",
2159 .ctr_name = "tx_vport_unicast_packets",
2162 .dpdk_name = "tx_port_multicast_packets",
2163 .ctr_name = "tx_vport_multicast_packets",
2166 .dpdk_name = "tx_port_broadcast_packets",
2167 .ctr_name = "tx_vport_broadcast_packets",
2170 .dpdk_name = "rx_wqe_err",
2171 .ctr_name = "rx_wqe_err",
2174 .dpdk_name = "rx_crc_errors_phy",
2175 .ctr_name = "rx_crc_errors_phy",
2178 .dpdk_name = "rx_in_range_len_errors_phy",
2179 .ctr_name = "rx_in_range_len_errors_phy",
2182 .dpdk_name = "rx_symbol_err_phy",
2183 .ctr_name = "rx_symbol_err_phy",
2186 .dpdk_name = "tx_errors_phy",
2187 .ctr_name = "tx_errors_phy",
2190 .dpdk_name = "rx_out_of_buffer",
2191 .ctr_name = "out_of_buffer",
2195 .dpdk_name = "tx_packets_phy",
2196 .ctr_name = "tx_packets_phy",
2199 .dpdk_name = "rx_packets_phy",
2200 .ctr_name = "rx_packets_phy",
2203 .dpdk_name = "tx_discards_phy",
2204 .ctr_name = "tx_discards_phy",
2207 .dpdk_name = "rx_discards_phy",
2208 .ctr_name = "rx_discards_phy",
2211 .dpdk_name = "tx_bytes_phy",
2212 .ctr_name = "tx_bytes_phy",
2215 .dpdk_name = "rx_bytes_phy",
2216 .ctr_name = "rx_bytes_phy",
2218 /* Representor only */
2220 .dpdk_name = "rx_packets",
2221 .ctr_name = "vport_rx_packets",
2224 .dpdk_name = "rx_bytes",
2225 .ctr_name = "vport_rx_bytes",
2228 .dpdk_name = "tx_packets",
2229 .ctr_name = "vport_tx_packets",
2232 .dpdk_name = "tx_bytes",
2233 .ctr_name = "vport_tx_bytes",
2237 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
2240 * Init the structures to read device counters.
2243 * Pointer to Ethernet device.
2246 mlx5_os_stats_init(struct rte_eth_dev *dev)
2248 struct mlx5_priv *priv = dev->data->dev_private;
2249 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2250 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
2254 struct ethtool_gstrings *strings = NULL;
2255 unsigned int dev_stats_n;
2256 unsigned int str_sz;
2259 /* So that it won't aggregate for each init. */
2260 xstats_ctrl->mlx5_stats_n = 0;
2261 ret = mlx5_os_get_stats_n(dev);
2263 DRV_LOG(WARNING, "port %u no extended statistics available",
2264 dev->data->port_id);
2268 /* Allocate memory to grab stat names and values. */
2269 str_sz = dev_stats_n * ETH_GSTRING_LEN;
2270 strings = (struct ethtool_gstrings *)
2271 rte_malloc("xstats_strings",
2272 str_sz + sizeof(struct ethtool_gstrings), 0);
2274 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
2275 dev->data->port_id);
2278 strings->cmd = ETHTOOL_GSTRINGS;
2279 strings->string_set = ETH_SS_STATS;
2280 strings->len = dev_stats_n;
2281 ifr.ifr_data = (caddr_t)strings;
2282 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2284 DRV_LOG(WARNING, "port %u unable to get statistic names",
2285 dev->data->port_id);
2288 for (i = 0; i != dev_stats_n; ++i) {
2289 const char *curr_string = (const char *)
2290 &strings->data[i * ETH_GSTRING_LEN];
2292 for (j = 0; j != xstats_n; ++j) {
2293 if (!strcmp(mlx5_counters_init[j].ctr_name,
2295 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2297 xstats_ctrl->dev_table_idx[idx] = i;
2298 xstats_ctrl->info[idx] = mlx5_counters_init[j];
2303 /* Add dev counters. */
2304 for (i = 0; i != xstats_n; ++i) {
2305 if (mlx5_counters_init[i].dev) {
2306 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2308 xstats_ctrl->info[idx] = mlx5_counters_init[i];
2309 xstats_ctrl->hw_stats[idx] = 0;
2312 MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
2313 xstats_ctrl->stats_n = dev_stats_n;
2314 /* Copy to base at first time. */
2315 ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
2317 DRV_LOG(ERR, "port %u cannot read device counters: %s",
2318 dev->data->port_id, strerror(rte_errno));
2319 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
2320 stats_ctrl->imissed = 0;
2326 * Set the reg_mr and dereg_mr call backs
2328 * @param reg_mr_cb[out]
2329 * Pointer to reg_mr func
2330 * @param dereg_mr_cb[out]
2331 * Pointer to dereg_mr func
2335 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2336 mlx5_dereg_mr_t *dereg_mr_cb)
2338 *reg_mr_cb = mlx5_common_verbs_reg_mr;
2339 *dereg_mr_cb = mlx5_common_verbs_dereg_mr;
2342 const struct eth_dev_ops mlx5_os_dev_ops = {
2343 .dev_configure = mlx5_dev_configure,
2344 .dev_start = mlx5_dev_start,
2345 .dev_stop = mlx5_dev_stop,
2346 .dev_set_link_down = mlx5_set_link_down,
2347 .dev_set_link_up = mlx5_set_link_up,
2348 .dev_close = mlx5_dev_close,
2349 .promiscuous_enable = mlx5_promiscuous_enable,
2350 .promiscuous_disable = mlx5_promiscuous_disable,
2351 .allmulticast_enable = mlx5_allmulticast_enable,
2352 .allmulticast_disable = mlx5_allmulticast_disable,
2353 .link_update = mlx5_link_update,
2354 .stats_get = mlx5_stats_get,
2355 .stats_reset = mlx5_stats_reset,
2356 .xstats_get = mlx5_xstats_get,
2357 .xstats_reset = mlx5_xstats_reset,
2358 .xstats_get_names = mlx5_xstats_get_names,
2359 .fw_version_get = mlx5_fw_version_get,
2360 .dev_infos_get = mlx5_dev_infos_get,
2361 .read_clock = mlx5_read_clock,
2362 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2363 .vlan_filter_set = mlx5_vlan_filter_set,
2364 .rx_queue_setup = mlx5_rx_queue_setup,
2365 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2366 .tx_queue_setup = mlx5_tx_queue_setup,
2367 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2368 .rx_queue_release = mlx5_rx_queue_release,
2369 .tx_queue_release = mlx5_tx_queue_release,
2370 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2371 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2372 .mac_addr_remove = mlx5_mac_addr_remove,
2373 .mac_addr_add = mlx5_mac_addr_add,
2374 .mac_addr_set = mlx5_mac_addr_set,
2375 .set_mc_addr_list = mlx5_set_mc_addr_list,
2376 .mtu_set = mlx5_dev_set_mtu,
2377 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2378 .vlan_offload_set = mlx5_vlan_offload_set,
2379 .reta_update = mlx5_dev_rss_reta_update,
2380 .reta_query = mlx5_dev_rss_reta_query,
2381 .rss_hash_update = mlx5_rss_hash_update,
2382 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2383 .filter_ctrl = mlx5_dev_filter_ctrl,
2384 .rx_descriptor_status = mlx5_rx_descriptor_status,
2385 .tx_descriptor_status = mlx5_tx_descriptor_status,
2386 .rxq_info_get = mlx5_rxq_info_get,
2387 .txq_info_get = mlx5_txq_info_get,
2388 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2389 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2390 .rx_queue_count = mlx5_rx_queue_count,
2391 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2392 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2393 .is_removed = mlx5_is_removed,
2394 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2395 .get_module_info = mlx5_get_module_info,
2396 .get_module_eeprom = mlx5_get_module_eeprom,
2397 .hairpin_cap_get = mlx5_hairpin_cap_get,
2398 .mtr_ops_get = mlx5_flow_meter_ops_get,
2401 /* Available operations from secondary process. */
2402 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2403 .stats_get = mlx5_stats_get,
2404 .stats_reset = mlx5_stats_reset,
2405 .xstats_get = mlx5_xstats_get,
2406 .xstats_reset = mlx5_xstats_reset,
2407 .xstats_get_names = mlx5_xstats_get_names,
2408 .fw_version_get = mlx5_fw_version_get,
2409 .dev_infos_get = mlx5_dev_infos_get,
2410 .rx_descriptor_status = mlx5_rx_descriptor_status,
2411 .tx_descriptor_status = mlx5_tx_descriptor_status,
2412 .rxq_info_get = mlx5_rxq_info_get,
2413 .txq_info_get = mlx5_txq_info_get,
2414 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2415 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2416 .get_module_info = mlx5_get_module_info,
2417 .get_module_eeprom = mlx5_get_module_eeprom,
2420 /* Available operations in flow isolated mode. */
2421 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2422 .dev_configure = mlx5_dev_configure,
2423 .dev_start = mlx5_dev_start,
2424 .dev_stop = mlx5_dev_stop,
2425 .dev_set_link_down = mlx5_set_link_down,
2426 .dev_set_link_up = mlx5_set_link_up,
2427 .dev_close = mlx5_dev_close,
2428 .promiscuous_enable = mlx5_promiscuous_enable,
2429 .promiscuous_disable = mlx5_promiscuous_disable,
2430 .allmulticast_enable = mlx5_allmulticast_enable,
2431 .allmulticast_disable = mlx5_allmulticast_disable,
2432 .link_update = mlx5_link_update,
2433 .stats_get = mlx5_stats_get,
2434 .stats_reset = mlx5_stats_reset,
2435 .xstats_get = mlx5_xstats_get,
2436 .xstats_reset = mlx5_xstats_reset,
2437 .xstats_get_names = mlx5_xstats_get_names,
2438 .fw_version_get = mlx5_fw_version_get,
2439 .dev_infos_get = mlx5_dev_infos_get,
2440 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2441 .vlan_filter_set = mlx5_vlan_filter_set,
2442 .rx_queue_setup = mlx5_rx_queue_setup,
2443 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2444 .tx_queue_setup = mlx5_tx_queue_setup,
2445 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2446 .rx_queue_release = mlx5_rx_queue_release,
2447 .tx_queue_release = mlx5_tx_queue_release,
2448 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2449 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2450 .mac_addr_remove = mlx5_mac_addr_remove,
2451 .mac_addr_add = mlx5_mac_addr_add,
2452 .mac_addr_set = mlx5_mac_addr_set,
2453 .set_mc_addr_list = mlx5_set_mc_addr_list,
2454 .mtu_set = mlx5_dev_set_mtu,
2455 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2456 .vlan_offload_set = mlx5_vlan_offload_set,
2457 .filter_ctrl = mlx5_dev_filter_ctrl,
2458 .rx_descriptor_status = mlx5_rx_descriptor_status,
2459 .tx_descriptor_status = mlx5_tx_descriptor_status,
2460 .rxq_info_get = mlx5_rxq_info_get,
2461 .txq_info_get = mlx5_txq_info_get,
2462 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2463 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2464 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2465 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2466 .is_removed = mlx5_is_removed,
2467 .get_module_info = mlx5_get_module_info,
2468 .get_module_eeprom = mlx5_get_module_eeprom,
2469 .hairpin_cap_get = mlx5_hairpin_cap_get,
2470 .mtr_ops_get = mlx5_flow_meter_ops_get,