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_common_os.h"
50 #include "mlx5_utils.h"
51 #include "mlx5_rxtx.h"
52 #include "mlx5_autoconf.h"
54 #include "mlx5_flow.h"
55 #include "rte_pmd_mlx5.h"
56 #include "mlx5_verbs.h"
58 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
60 #ifndef HAVE_IBV_MLX5_MOD_MPW
61 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
62 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
65 #ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
66 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
70 * Get mlx5 device attributes. The glue function query_device_ex() is called
71 * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
72 * device attributes from the glue out parameter.
75 * Pointer to ibv context.
78 * Pointer to mlx5 device attributes.
81 * 0 on success, non zero error number otherwise
84 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
87 struct ibv_device_attr_ex attr_ex;
88 memset(device_attr, 0, sizeof(*device_attr));
89 err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
93 device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
94 device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
95 device_attr->max_sge = attr_ex.orig_attr.max_sge;
96 device_attr->max_cq = attr_ex.orig_attr.max_cq;
97 device_attr->max_qp = attr_ex.orig_attr.max_qp;
98 device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
99 device_attr->max_rwq_indirection_table_size =
100 attr_ex.rss_caps.max_rwq_indirection_table_size;
101 device_attr->max_tso = attr_ex.tso_caps.max_tso;
102 device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
104 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
105 err = mlx5_glue->dv_query_device(ctx, &dv_attr);
109 device_attr->flags = dv_attr.flags;
110 device_attr->comp_mask = dv_attr.comp_mask;
111 #ifdef HAVE_IBV_MLX5_MOD_SWP
112 device_attr->sw_parsing_offloads =
113 dv_attr.sw_parsing_caps.sw_parsing_offloads;
115 device_attr->min_single_stride_log_num_of_bytes =
116 dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
117 device_attr->max_single_stride_log_num_of_bytes =
118 dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
119 device_attr->min_single_wqe_log_num_of_strides =
120 dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
121 device_attr->max_single_wqe_log_num_of_strides =
122 dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
123 device_attr->stride_supported_qpts =
124 dv_attr.striding_rq_caps.supported_qpts;
125 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
126 device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
133 * Verbs callback to allocate a memory. This function should allocate the space
134 * according to the size provided residing inside a huge page.
135 * Please note that all allocation must respect the alignment from libmlx5
136 * (i.e. currently sysconf(_SC_PAGESIZE)).
139 * The size in bytes of the memory to allocate.
141 * A pointer to the callback data.
144 * Allocated buffer, NULL otherwise and rte_errno is set.
147 mlx5_alloc_verbs_buf(size_t size, void *data)
149 struct mlx5_priv *priv = data;
151 size_t alignment = sysconf(_SC_PAGESIZE);
152 unsigned int socket = SOCKET_ID_ANY;
154 if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
155 const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
157 socket = ctrl->socket;
158 } else if (priv->verbs_alloc_ctx.type ==
159 MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
160 const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
162 socket = ctrl->socket;
164 MLX5_ASSERT(data != NULL);
165 ret = rte_malloc_socket(__func__, size, alignment, socket);
172 * Verbs callback to free a memory.
175 * A pointer to the memory to free.
177 * A pointer to the callback data.
180 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
182 MLX5_ASSERT(data != NULL);
187 * Initialize DR related data within private structure.
188 * Routine checks the reference counter and does actual
189 * resources creation/initialization only if counter is zero.
192 * Pointer to the private device data structure.
195 * Zero on success, positive error code otherwise.
198 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
200 struct mlx5_dev_ctx_shared *sh = priv->sh;
201 char s[MLX5_HLIST_NAMESIZE];
205 err = mlx5_alloc_table_hash_list(priv);
207 DRV_LOG(DEBUG, "sh->flow_tbls[%p] already created, reuse\n",
208 (void *)sh->flow_tbls);
211 /* Create tags hash list table. */
212 snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
213 sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
214 if (!sh->tag_table) {
215 DRV_LOG(ERR, "tags with hash creation failed.");
219 #ifdef HAVE_MLX5DV_DR
223 /* Shared DV/DR structures is already initialized. */
228 /* Reference counter is zero, we should initialize structures. */
229 domain = mlx5_glue->dr_create_domain(sh->ctx,
230 MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
232 DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
236 sh->rx_domain = domain;
237 domain = mlx5_glue->dr_create_domain(sh->ctx,
238 MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
240 DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
244 pthread_mutex_init(&sh->dv_mutex, NULL);
245 sh->tx_domain = domain;
246 #ifdef HAVE_MLX5DV_DR_ESWITCH
247 if (priv->config.dv_esw_en) {
248 domain = mlx5_glue->dr_create_domain
249 (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
251 DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
255 sh->fdb_domain = domain;
256 sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
259 if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
260 mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
261 mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
263 mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
265 sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
266 #endif /* HAVE_MLX5DV_DR */
271 /* Rollback the created objects. */
273 mlx5_glue->dr_destroy_domain(sh->rx_domain);
274 sh->rx_domain = NULL;
277 mlx5_glue->dr_destroy_domain(sh->tx_domain);
278 sh->tx_domain = NULL;
280 if (sh->fdb_domain) {
281 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
282 sh->fdb_domain = NULL;
284 if (sh->esw_drop_action) {
285 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
286 sh->esw_drop_action = NULL;
288 if (sh->pop_vlan_action) {
289 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
290 sh->pop_vlan_action = NULL;
293 /* tags should be destroyed with flow before. */
294 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
295 sh->tag_table = NULL;
297 mlx5_free_table_hash_list(priv);
302 * Destroy DR related data within private structure.
305 * Pointer to the private device data structure.
308 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
310 struct mlx5_dev_ctx_shared *sh;
312 if (!priv->dr_shared)
317 #ifdef HAVE_MLX5DV_DR
318 MLX5_ASSERT(sh->dv_refcnt);
319 if (sh->dv_refcnt && --sh->dv_refcnt)
322 mlx5_glue->dr_destroy_domain(sh->rx_domain);
323 sh->rx_domain = NULL;
326 mlx5_glue->dr_destroy_domain(sh->tx_domain);
327 sh->tx_domain = NULL;
329 #ifdef HAVE_MLX5DV_DR_ESWITCH
330 if (sh->fdb_domain) {
331 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
332 sh->fdb_domain = NULL;
334 if (sh->esw_drop_action) {
335 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
336 sh->esw_drop_action = NULL;
339 if (sh->pop_vlan_action) {
340 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
341 sh->pop_vlan_action = NULL;
343 pthread_mutex_destroy(&sh->dv_mutex);
344 #endif /* HAVE_MLX5DV_DR */
346 /* tags should be destroyed with flow before. */
347 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
348 sh->tag_table = NULL;
350 mlx5_free_table_hash_list(priv);
354 * Spawn an Ethernet device from Verbs information.
357 * Backing DPDK device.
359 * Verbs device parameters (name, port, switch_info) to spawn.
361 * Device configuration parameters.
364 * A valid Ethernet device object on success, NULL otherwise and rte_errno
365 * is set. The following errors are defined:
367 * EBUSY: device is not supposed to be spawned.
368 * EEXIST: device is already spawned
370 static struct rte_eth_dev *
371 mlx5_dev_spawn(struct rte_device *dpdk_dev,
372 struct mlx5_dev_spawn_data *spawn,
373 struct mlx5_dev_config config)
375 const struct mlx5_switch_info *switch_info = &spawn->info;
376 struct mlx5_dev_ctx_shared *sh = NULL;
377 struct ibv_port_attr port_attr;
378 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
379 struct rte_eth_dev *eth_dev = NULL;
380 struct mlx5_priv *priv = NULL;
382 unsigned int hw_padding = 0;
384 unsigned int cqe_comp;
385 unsigned int cqe_pad = 0;
386 unsigned int tunnel_en = 0;
387 unsigned int mpls_en = 0;
388 unsigned int swp = 0;
389 unsigned int mprq = 0;
390 unsigned int mprq_min_stride_size_n = 0;
391 unsigned int mprq_max_stride_size_n = 0;
392 unsigned int mprq_min_stride_num_n = 0;
393 unsigned int mprq_max_stride_num_n = 0;
394 struct rte_ether_addr mac;
395 char name[RTE_ETH_NAME_MAX_LEN];
396 int own_domain_id = 0;
399 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
400 struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
403 /* Determine if this port representor is supposed to be spawned. */
404 if (switch_info->representor && dpdk_dev->devargs) {
405 struct rte_eth_devargs eth_da;
407 err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
410 DRV_LOG(ERR, "failed to process device arguments: %s",
411 strerror(rte_errno));
414 for (i = 0; i < eth_da.nb_representor_ports; ++i)
415 if (eth_da.representor_ports[i] ==
416 (uint16_t)switch_info->port_name)
418 if (i == eth_da.nb_representor_ports) {
423 /* Build device name. */
424 if (spawn->pf_bond < 0) {
426 if (!switch_info->representor)
427 strlcpy(name, dpdk_dev->name, sizeof(name));
429 snprintf(name, sizeof(name), "%s_representor_%u",
430 dpdk_dev->name, switch_info->port_name);
432 /* Bonding device. */
433 if (!switch_info->representor)
434 snprintf(name, sizeof(name), "%s_%s",
436 mlx5_os_get_dev_device_name(spawn->phys_dev));
438 snprintf(name, sizeof(name), "%s_%s_representor_%u",
440 mlx5_os_get_dev_device_name(spawn->phys_dev),
441 switch_info->port_name);
443 /* check if the device is already spawned */
444 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
448 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
449 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
450 struct mlx5_mp_id mp_id;
452 eth_dev = rte_eth_dev_attach_secondary(name);
453 if (eth_dev == NULL) {
454 DRV_LOG(ERR, "can not attach rte ethdev");
458 eth_dev->device = dpdk_dev;
459 eth_dev->dev_ops = &mlx5_os_dev_sec_ops;
460 err = mlx5_proc_priv_init(eth_dev);
463 mp_id.port_id = eth_dev->data->port_id;
464 strlcpy(mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
465 /* Receive command fd from primary process */
466 err = mlx5_mp_req_verbs_cmd_fd(&mp_id);
469 /* Remap UAR for Tx queues. */
470 err = mlx5_tx_uar_init_secondary(eth_dev, err);
474 * Ethdev pointer is still required as input since
475 * the primary device is not accessible from the
478 eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
479 eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
482 mlx5_dev_close(eth_dev);
486 * Some parameters ("tx_db_nc" in particularly) are needed in
487 * advance to create dv/verbs device context. We proceed the
488 * devargs here to get ones, and later proceed devargs again
489 * to override some hardware settings.
491 err = mlx5_args(&config, dpdk_dev->devargs);
494 DRV_LOG(ERR, "failed to process device arguments: %s",
495 strerror(rte_errno));
498 sh = mlx5_alloc_shared_dev_ctx(spawn, &config);
501 config.devx = sh->devx;
502 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
505 #ifdef HAVE_IBV_MLX5_MOD_SWP
506 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
509 * Multi-packet send is supported by ConnectX-4 Lx PF as well
510 * as all ConnectX-5 devices.
512 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
513 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
515 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
516 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
518 mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
519 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
520 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
521 DRV_LOG(DEBUG, "enhanced MPW is supported");
522 mps = MLX5_MPW_ENHANCED;
524 DRV_LOG(DEBUG, "MPW is supported");
528 DRV_LOG(DEBUG, "MPW isn't supported");
529 mps = MLX5_MPW_DISABLED;
531 #ifdef HAVE_IBV_MLX5_MOD_SWP
532 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
533 swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
534 DRV_LOG(DEBUG, "SWP support: %u", swp);
537 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
538 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
539 struct mlx5dv_striding_rq_caps mprq_caps =
540 dv_attr.striding_rq_caps;
542 DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
543 mprq_caps.min_single_stride_log_num_of_bytes);
544 DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
545 mprq_caps.max_single_stride_log_num_of_bytes);
546 DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
547 mprq_caps.min_single_wqe_log_num_of_strides);
548 DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
549 mprq_caps.max_single_wqe_log_num_of_strides);
550 DRV_LOG(DEBUG, "\tsupported_qpts: %d",
551 mprq_caps.supported_qpts);
552 DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
554 mprq_min_stride_size_n =
555 mprq_caps.min_single_stride_log_num_of_bytes;
556 mprq_max_stride_size_n =
557 mprq_caps.max_single_stride_log_num_of_bytes;
558 mprq_min_stride_num_n =
559 mprq_caps.min_single_wqe_log_num_of_strides;
560 mprq_max_stride_num_n =
561 mprq_caps.max_single_wqe_log_num_of_strides;
564 if (RTE_CACHE_LINE_SIZE == 128 &&
565 !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
569 config.cqe_comp = cqe_comp;
570 #ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
571 /* Whether device supports 128B Rx CQE padding. */
572 cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
573 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
575 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
576 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
577 tunnel_en = ((dv_attr.tunnel_offloads_caps &
578 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
579 (dv_attr.tunnel_offloads_caps &
580 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE) &&
581 (dv_attr.tunnel_offloads_caps &
582 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE));
584 DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
585 tunnel_en ? "" : "not ");
588 "tunnel offloading disabled due to old OFED/rdma-core version");
590 config.tunnel_en = tunnel_en;
591 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
592 mpls_en = ((dv_attr.tunnel_offloads_caps &
593 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
594 (dv_attr.tunnel_offloads_caps &
595 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
596 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
597 mpls_en ? "" : "not ");
599 DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
600 " old OFED/rdma-core version or firmware configuration");
602 config.mpls_en = mpls_en;
603 /* Check port status. */
604 err = mlx5_glue->query_port(sh->ctx, spawn->phys_port, &port_attr);
606 DRV_LOG(ERR, "port query failed: %s", strerror(err));
609 if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
610 DRV_LOG(ERR, "port is not configured in Ethernet mode");
614 if (port_attr.state != IBV_PORT_ACTIVE)
615 DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
616 mlx5_glue->port_state_str(port_attr.state),
618 /* Allocate private eth device data. */
619 priv = rte_zmalloc("ethdev private structure",
621 RTE_CACHE_LINE_SIZE);
623 DRV_LOG(ERR, "priv allocation failure");
628 priv->dev_port = spawn->phys_port;
629 priv->pci_dev = spawn->pci_dev;
630 priv->mtu = RTE_ETHER_MTU;
631 priv->mp_id.port_id = port_id;
632 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
633 /* Some internal functions rely on Netlink sockets, open them now. */
634 priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
635 priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
636 priv->representor = !!switch_info->representor;
637 priv->master = !!switch_info->master;
638 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
639 priv->vport_meta_tag = 0;
640 priv->vport_meta_mask = 0;
641 priv->pf_bond = spawn->pf_bond;
642 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
644 * The DevX port query API is implemented. E-Switch may use
645 * either vport or reg_c[0] metadata register to match on
646 * vport index. The engaged part of metadata register is
649 if (switch_info->representor || switch_info->master) {
650 devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
651 MLX5DV_DEVX_PORT_MATCH_REG_C_0;
652 err = mlx5_glue->devx_port_query(sh->ctx, spawn->phys_port,
656 "can't query devx port %d on device %s",
658 mlx5_os_get_dev_device_name(spawn->phys_dev));
659 devx_port.comp_mask = 0;
662 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
663 priv->vport_meta_tag = devx_port.reg_c_0.value;
664 priv->vport_meta_mask = devx_port.reg_c_0.mask;
665 if (!priv->vport_meta_mask) {
666 DRV_LOG(ERR, "vport zero mask for port %d"
667 " on bonding device %s",
669 mlx5_os_get_dev_device_name
674 if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
675 DRV_LOG(ERR, "invalid vport tag for port %d"
676 " on bonding device %s",
678 mlx5_os_get_dev_device_name
684 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
685 priv->vport_id = devx_port.vport_num;
686 } else if (spawn->pf_bond >= 0) {
687 DRV_LOG(ERR, "can't deduce vport index for port %d"
688 " on bonding device %s",
690 mlx5_os_get_dev_device_name(spawn->phys_dev));
694 /* Suppose vport index in compatible way. */
695 priv->vport_id = switch_info->representor ?
696 switch_info->port_name + 1 : -1;
700 * Kernel/rdma_core support single E-Switch per PF configurations
701 * only and vport_id field contains the vport index for
702 * associated VF, which is deduced from representor port name.
703 * For example, let's have the IB device port 10, it has
704 * attached network device eth0, which has port name attribute
705 * pf0vf2, we can deduce the VF number as 2, and set vport index
706 * as 3 (2+1). This assigning schema should be changed if the
707 * multiple E-Switch instances per PF configurations or/and PCI
708 * subfunctions are added.
710 priv->vport_id = switch_info->representor ?
711 switch_info->port_name + 1 : -1;
713 /* representor_id field keeps the unmodified VF index. */
714 priv->representor_id = switch_info->representor ?
715 switch_info->port_name : -1;
717 * Look for sibling devices in order to reuse their switch domain
718 * if any, otherwise allocate one.
720 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
721 const struct mlx5_priv *opriv =
722 rte_eth_devices[port_id].data->dev_private;
725 opriv->sh != priv->sh ||
727 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
729 priv->domain_id = opriv->domain_id;
732 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
733 err = rte_eth_switch_domain_alloc(&priv->domain_id);
736 DRV_LOG(ERR, "unable to allocate switch domain: %s",
737 strerror(rte_errno));
742 /* Override some values set by hardware configuration. */
743 mlx5_args(&config, dpdk_dev->devargs);
744 err = mlx5_dev_check_sibling_config(priv, &config);
747 config.hw_csum = !!(sh->device_attr.device_cap_flags_ex &
748 IBV_DEVICE_RAW_IP_CSUM);
749 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
750 (config.hw_csum ? "" : "not "));
751 #if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
752 !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
753 DRV_LOG(DEBUG, "counters are not supported");
755 #if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
756 if (config.dv_flow_en) {
757 DRV_LOG(WARNING, "DV flow is not supported");
758 config.dv_flow_en = 0;
761 config.ind_table_max_size =
762 sh->device_attr.max_rwq_indirection_table_size;
764 * Remove this check once DPDK supports larger/variable
765 * indirection tables.
767 if (config.ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
768 config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
769 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
770 config.ind_table_max_size);
771 config.hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
772 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
773 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
774 (config.hw_vlan_strip ? "" : "not "));
775 config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
776 IBV_RAW_PACKET_CAP_SCATTER_FCS);
777 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
778 (config.hw_fcs_strip ? "" : "not "));
779 #if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
780 hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
781 #elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
782 hw_padding = !!(sh->device_attr.device_cap_flags_ex &
783 IBV_DEVICE_PCI_WRITE_END_PADDING);
785 if (config.hw_padding && !hw_padding) {
786 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
787 config.hw_padding = 0;
788 } else if (config.hw_padding) {
789 DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
791 config.tso = (sh->device_attr.max_tso > 0 &&
792 (sh->device_attr.tso_supported_qpts &
793 (1 << IBV_QPT_RAW_PACKET)));
795 config.tso_max_payload_sz = sh->device_attr.max_tso;
797 * MPW is disabled by default, while the Enhanced MPW is enabled
800 if (config.mps == MLX5_ARG_UNSET)
801 config.mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
804 config.mps = config.mps ? mps : MLX5_MPW_DISABLED;
805 DRV_LOG(INFO, "%sMPS is %s",
806 config.mps == MLX5_MPW_ENHANCED ? "enhanced " :
807 config.mps == MLX5_MPW ? "legacy " : "",
808 config.mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
809 if (config.cqe_comp && !cqe_comp) {
810 DRV_LOG(WARNING, "Rx CQE compression isn't supported");
813 if (config.cqe_pad && !cqe_pad) {
814 DRV_LOG(WARNING, "Rx CQE padding isn't supported");
816 } else if (config.cqe_pad) {
817 DRV_LOG(INFO, "Rx CQE padding is enabled");
820 priv->counter_fallback = 0;
821 err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config.hca_attr);
826 if (!config.hca_attr.flow_counters_dump)
827 priv->counter_fallback = 1;
828 #ifndef HAVE_IBV_DEVX_ASYNC
829 priv->counter_fallback = 1;
831 if (priv->counter_fallback)
832 DRV_LOG(INFO, "Use fall-back DV counter management");
833 /* Check for LRO support. */
834 if (config.dest_tir && config.hca_attr.lro_cap &&
836 /* TBD check tunnel lro caps. */
837 config.lro.supported = config.hca_attr.lro_cap;
838 DRV_LOG(DEBUG, "Device supports LRO");
840 * If LRO timeout is not configured by application,
841 * use the minimal supported value.
843 if (!config.lro.timeout)
845 config.hca_attr.lro_timer_supported_periods[0];
846 DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
849 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
850 if (config.hca_attr.qos.sup && config.hca_attr.qos.srtcm_sup &&
853 config.hca_attr.qos.flow_meter_reg_c_ids;
855 * Meter needs two REG_C's for color match and pre-sfx
856 * flow match. Here get the REG_C for color match.
857 * REG_C_0 and REG_C_1 is reserved for metadata feature.
860 if (__builtin_popcount(reg_c_mask) < 1) {
862 DRV_LOG(WARNING, "No available register for"
865 priv->mtr_color_reg = ffs(reg_c_mask) - 1 +
868 priv->mtr_reg_share =
869 config.hca_attr.qos.flow_meter_reg_share;
870 DRV_LOG(DEBUG, "The REG_C meter uses is %d",
871 priv->mtr_color_reg);
877 DRV_LOG(DEBUG, "Timestamp counter frequency %u kHz",
878 config.hca_attr.dev_freq_khz);
879 DRV_LOG(DEBUG, "Packet pacing is %ssupported",
880 config.hca_attr.qos.packet_pacing ? "" : "not ");
881 DRV_LOG(DEBUG, "Cross channel ops are %ssupported",
882 config.hca_attr.cross_channel ? "" : "not ");
883 DRV_LOG(DEBUG, "WQE index ignore is %ssupported",
884 config.hca_attr.wqe_index_ignore ? "" : "not ");
885 DRV_LOG(DEBUG, "Non-wire SQ feature is %ssupported",
886 config.hca_attr.non_wire_sq ? "" : "not ");
887 DRV_LOG(DEBUG, "Static WQE SQ feature is %ssupported (%d)",
888 config.hca_attr.log_max_static_sq_wq ? "" : "not ",
889 config.hca_attr.log_max_static_sq_wq);
890 DRV_LOG(DEBUG, "WQE rate PP mode is %ssupported",
891 config.hca_attr.qos.wqe_rate_pp ? "" : "not ");
893 DRV_LOG(ERR, "DevX is required for packet pacing");
897 if (!config.hca_attr.qos.packet_pacing) {
898 DRV_LOG(ERR, "Packet pacing is not supported");
902 if (!config.hca_attr.cross_channel) {
903 DRV_LOG(ERR, "Cross channel operations are"
904 " required for packet pacing");
908 if (!config.hca_attr.wqe_index_ignore) {
909 DRV_LOG(ERR, "WQE index ignore feature is"
910 " required for packet pacing");
914 if (!config.hca_attr.non_wire_sq) {
915 DRV_LOG(ERR, "Non-wire SQ feature is"
916 " required for packet pacing");
920 if (!config.hca_attr.log_max_static_sq_wq) {
921 DRV_LOG(ERR, "Static WQE SQ feature is"
922 " required for packet pacing");
926 if (!config.hca_attr.qos.wqe_rate_pp) {
927 DRV_LOG(ERR, "WQE rate mode is required"
928 " for packet pacing");
932 #ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
933 DRV_LOG(ERR, "DevX does not provide UAR offset,"
934 " can't create queues for packet pacing");
939 if (config.mprq.enabled && mprq) {
940 if (config.mprq.stride_num_n &&
941 (config.mprq.stride_num_n > mprq_max_stride_num_n ||
942 config.mprq.stride_num_n < mprq_min_stride_num_n)) {
943 config.mprq.stride_num_n =
944 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
945 mprq_min_stride_num_n),
946 mprq_max_stride_num_n);
948 "the number of strides"
949 " for Multi-Packet RQ is out of range,"
950 " setting default value (%u)",
951 1 << config.mprq.stride_num_n);
953 if (config.mprq.stride_size_n &&
954 (config.mprq.stride_size_n > mprq_max_stride_size_n ||
955 config.mprq.stride_size_n < mprq_min_stride_size_n)) {
956 config.mprq.stride_size_n =
957 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
958 mprq_min_stride_size_n),
959 mprq_max_stride_size_n);
961 "the size of a stride"
962 " for Multi-Packet RQ is out of range,"
963 " setting default value (%u)",
964 1 << config.mprq.stride_size_n);
966 config.mprq.min_stride_size_n = mprq_min_stride_size_n;
967 config.mprq.max_stride_size_n = mprq_max_stride_size_n;
968 } else if (config.mprq.enabled && !mprq) {
969 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
970 config.mprq.enabled = 0;
972 if (config.max_dump_files_num == 0)
973 config.max_dump_files_num = 128;
974 eth_dev = rte_eth_dev_allocate(name);
975 if (eth_dev == NULL) {
976 DRV_LOG(ERR, "can not allocate rte ethdev");
980 /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
981 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
982 if (priv->representor) {
983 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
984 eth_dev->data->representor_id = priv->representor_id;
987 * Store associated network device interface index. This index
988 * is permanent throughout the lifetime of device. So, we may store
989 * the ifindex here and use the cached value further.
991 MLX5_ASSERT(spawn->ifindex);
992 priv->if_index = spawn->ifindex;
993 eth_dev->data->dev_private = priv;
994 priv->dev_data = eth_dev->data;
995 eth_dev->data->mac_addrs = priv->mac;
996 eth_dev->device = dpdk_dev;
997 /* Configure the first MAC address by default. */
998 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1000 "port %u cannot get MAC address, is mlx5_en"
1001 " loaded? (errno: %s)",
1002 eth_dev->data->port_id, strerror(rte_errno));
1007 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1008 eth_dev->data->port_id,
1009 mac.addr_bytes[0], mac.addr_bytes[1],
1010 mac.addr_bytes[2], mac.addr_bytes[3],
1011 mac.addr_bytes[4], mac.addr_bytes[5]);
1012 #ifdef RTE_LIBRTE_MLX5_DEBUG
1014 char ifname[IF_NAMESIZE];
1016 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1017 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1018 eth_dev->data->port_id, ifname);
1020 DRV_LOG(DEBUG, "port %u ifname is unknown",
1021 eth_dev->data->port_id);
1024 /* Get actual MTU if possible. */
1025 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1030 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1032 /* Initialize burst functions to prevent crashes before link-up. */
1033 eth_dev->rx_pkt_burst = removed_rx_burst;
1034 eth_dev->tx_pkt_burst = removed_tx_burst;
1035 eth_dev->dev_ops = &mlx5_os_dev_ops;
1036 /* Register MAC address. */
1037 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1038 if (config.vf && config.vf_nl_en)
1039 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1040 mlx5_ifindex(eth_dev),
1041 eth_dev->data->mac_addrs,
1042 MLX5_MAX_MAC_ADDRESSES);
1044 priv->ctrl_flows = 0;
1045 TAILQ_INIT(&priv->flow_meters);
1046 TAILQ_INIT(&priv->flow_meter_profiles);
1047 /* Hint libmlx5 to use PMD allocator for data plane resources */
1048 mlx5_glue->dv_set_context_attr(sh->ctx,
1049 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1050 (void *)((uintptr_t)&(struct mlx5dv_ctx_allocators){
1051 .alloc = &mlx5_alloc_verbs_buf,
1052 .free = &mlx5_free_verbs_buf,
1055 /* Bring Ethernet device up. */
1056 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1057 eth_dev->data->port_id);
1058 mlx5_set_link_up(eth_dev);
1060 * Even though the interrupt handler is not installed yet,
1061 * interrupts will still trigger on the async_fd from
1062 * Verbs context returned by ibv_open_device().
1064 mlx5_link_update(eth_dev, 0);
1065 #ifdef HAVE_MLX5DV_DR_ESWITCH
1066 if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
1067 (switch_info->representor || switch_info->master)))
1068 config.dv_esw_en = 0;
1070 config.dv_esw_en = 0;
1072 /* Detect minimal data bytes to inline. */
1073 mlx5_set_min_inline(spawn, &config);
1074 /* Store device configuration on private structure. */
1075 priv->config = config;
1076 /* Create context for virtual machine VLAN workaround. */
1077 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1078 if (config.dv_flow_en) {
1079 err = mlx5_alloc_shared_dr(priv);
1083 * RSS id is shared with meter flow id. Meter flow id can only
1084 * use the 24 MSB of the register.
1086 priv->qrss_id_pool = mlx5_flow_id_pool_alloc(UINT32_MAX >>
1087 MLX5_MTR_COLOR_BITS);
1088 if (!priv->qrss_id_pool) {
1089 DRV_LOG(ERR, "can't create flow id pool");
1094 /* Supported Verbs flow priority number detection. */
1095 err = mlx5_flow_discover_priorities(eth_dev);
1100 priv->config.flow_prio = err;
1101 if (!priv->config.dv_esw_en &&
1102 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1103 DRV_LOG(WARNING, "metadata mode %u is not supported "
1104 "(no E-Switch)", priv->config.dv_xmeta_en);
1105 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1107 mlx5_set_metadata_mask(eth_dev);
1108 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1109 !priv->sh->dv_regc0_mask) {
1110 DRV_LOG(ERR, "metadata mode %u is not supported "
1111 "(no metadata reg_c[0] is available)",
1112 priv->config.dv_xmeta_en);
1117 * Allocate the buffer for flow creating, just once.
1118 * The allocation must be done before any flow creating.
1120 mlx5_flow_alloc_intermediate(eth_dev);
1121 /* Query availability of metadata reg_c's. */
1122 err = mlx5_flow_discover_mreg_c(eth_dev);
1127 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1129 "port %u extensive metadata register is not supported",
1130 eth_dev->data->port_id);
1131 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1132 DRV_LOG(ERR, "metadata mode %u is not supported "
1133 "(no metadata registers available)",
1134 priv->config.dv_xmeta_en);
1139 if (priv->config.dv_flow_en &&
1140 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1141 mlx5_flow_ext_mreg_supported(eth_dev) &&
1142 priv->sh->dv_regc0_mask) {
1143 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1144 MLX5_FLOW_MREG_HTABLE_SZ);
1145 if (!priv->mreg_cp_tbl) {
1153 if (priv->mreg_cp_tbl)
1154 mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
1156 mlx5_os_free_shared_dr(priv);
1157 if (priv->nl_socket_route >= 0)
1158 close(priv->nl_socket_route);
1159 if (priv->nl_socket_rdma >= 0)
1160 close(priv->nl_socket_rdma);
1161 if (priv->vmwa_context)
1162 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1163 if (priv->qrss_id_pool)
1164 mlx5_flow_id_pool_release(priv->qrss_id_pool);
1166 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1168 if (eth_dev != NULL)
1169 eth_dev->data->dev_private = NULL;
1171 if (eth_dev != NULL) {
1172 /* mac_addrs must not be freed alone because part of
1175 eth_dev->data->mac_addrs = NULL;
1176 rte_eth_dev_release_port(eth_dev);
1179 mlx5_free_shared_dev_ctx(sh);
1180 MLX5_ASSERT(err > 0);
1186 * Comparison callback to sort device data.
1188 * This is meant to be used with qsort().
1191 * Pointer to pointer to first data object.
1193 * Pointer to pointer to second data object.
1196 * 0 if both objects are equal, less than 0 if the first argument is less
1197 * than the second, greater than 0 otherwise.
1200 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1202 const struct mlx5_switch_info *si_a =
1203 &((const struct mlx5_dev_spawn_data *)a)->info;
1204 const struct mlx5_switch_info *si_b =
1205 &((const struct mlx5_dev_spawn_data *)b)->info;
1208 /* Master device first. */
1209 ret = si_b->master - si_a->master;
1212 /* Then representor devices. */
1213 ret = si_b->representor - si_a->representor;
1216 /* Unidentified devices come last in no specific order. */
1217 if (!si_a->representor)
1219 /* Order representors by name. */
1220 return si_a->port_name - si_b->port_name;
1224 * Match PCI information for possible slaves of bonding device.
1226 * @param[in] ibv_dev
1227 * Pointer to Infiniband device structure.
1228 * @param[in] pci_dev
1229 * Pointer to PCI device structure to match PCI address.
1230 * @param[in] nl_rdma
1231 * Netlink RDMA group socket handle.
1234 * negative value if no bonding device found, otherwise
1235 * positive index of slave PF in bonding.
1238 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1239 const struct rte_pci_device *pci_dev,
1242 char ifname[IF_NAMESIZE + 1];
1243 unsigned int ifindex;
1249 * Try to get master device name. If something goes
1250 * wrong suppose the lack of kernel support and no
1255 if (!strstr(ibv_dev->name, "bond"))
1257 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1261 * The Master device might not be on the predefined
1262 * port (not on port index 1, it is not garanted),
1263 * we have to scan all Infiniband device port and
1266 for (i = 1; i <= np; ++i) {
1267 /* Check whether Infiniband port is populated. */
1268 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1271 if (!if_indextoname(ifindex, ifname))
1273 /* Try to read bonding slave names from sysfs. */
1275 "/sys/class/net/%s/master/bonding/slaves", ifname);
1276 file = fopen(slaves, "r");
1282 /* Use safe format to check maximal buffer length. */
1283 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1284 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1285 char tmp_str[IF_NAMESIZE + 32];
1286 struct rte_pci_addr pci_addr;
1287 struct mlx5_switch_info info;
1289 /* Process slave interface names in the loop. */
1290 snprintf(tmp_str, sizeof(tmp_str),
1291 "/sys/class/net/%s", ifname);
1292 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1293 DRV_LOG(WARNING, "can not get PCI address"
1294 " for netdev \"%s\"", ifname);
1297 if (pci_dev->addr.domain != pci_addr.domain ||
1298 pci_dev->addr.bus != pci_addr.bus ||
1299 pci_dev->addr.devid != pci_addr.devid ||
1300 pci_dev->addr.function != pci_addr.function)
1302 /* Slave interface PCI address match found. */
1304 snprintf(tmp_str, sizeof(tmp_str),
1305 "/sys/class/net/%s/phys_port_name", ifname);
1306 file = fopen(tmp_str, "rb");
1309 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1310 if (fscanf(file, "%32s", tmp_str) == 1)
1311 mlx5_translate_port_name(tmp_str, &info);
1312 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1313 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1314 pf = info.port_name;
1323 * DPDK callback to register a PCI device.
1325 * This function spawns Ethernet devices out of a given PCI device.
1327 * @param[in] pci_drv
1328 * PCI driver structure (mlx5_driver).
1329 * @param[in] pci_dev
1330 * PCI device information.
1333 * 0 on success, a negative errno value otherwise and rte_errno is set.
1336 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1337 struct rte_pci_device *pci_dev)
1339 struct ibv_device **ibv_list;
1341 * Number of found IB Devices matching with requested PCI BDF.
1342 * nd != 1 means there are multiple IB devices over the same
1343 * PCI device and we have representors and master.
1345 unsigned int nd = 0;
1347 * Number of found IB device Ports. nd = 1 and np = 1..n means
1348 * we have the single multiport IB device, and there may be
1349 * representors attached to some of found ports.
1351 unsigned int np = 0;
1353 * Number of DPDK ethernet devices to Spawn - either over
1354 * multiple IB devices or multiple ports of single IB device.
1355 * Actually this is the number of iterations to spawn.
1357 unsigned int ns = 0;
1360 * < 0 - no bonding device (single one)
1361 * >= 0 - bonding device (value is slave PF index)
1364 struct mlx5_dev_spawn_data *list = NULL;
1365 struct mlx5_dev_config dev_config;
1368 if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
1369 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
1373 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1374 mlx5_pmd_socket_init();
1375 ret = mlx5_init_once();
1377 DRV_LOG(ERR, "unable to init PMD global data: %s",
1378 strerror(rte_errno));
1381 MLX5_ASSERT(pci_drv == &mlx5_driver);
1383 ibv_list = mlx5_glue->get_device_list(&ret);
1385 rte_errno = errno ? errno : ENOSYS;
1386 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1390 * First scan the list of all Infiniband devices to find
1391 * matching ones, gathering into the list.
1393 struct ibv_device *ibv_match[ret + 1];
1394 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1395 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1399 struct rte_pci_addr pci_addr;
1401 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1402 bd = mlx5_device_bond_pci_match
1403 (ibv_list[ret], pci_dev, nl_rdma);
1406 * Bonding device detected. Only one match is allowed,
1407 * the bonding is supported over multi-port IB device,
1408 * there should be no matches on representor PCI
1409 * functions or non VF LAG bonding devices with
1410 * specified address.
1414 "multiple PCI match on bonding device"
1415 "\"%s\" found", ibv_list[ret]->name);
1420 DRV_LOG(INFO, "PCI information matches for"
1421 " slave %d bonding device \"%s\"",
1422 bd, ibv_list[ret]->name);
1423 ibv_match[nd++] = ibv_list[ret];
1426 if (mlx5_dev_to_pci_addr
1427 (ibv_list[ret]->ibdev_path, &pci_addr))
1429 if (pci_dev->addr.domain != pci_addr.domain ||
1430 pci_dev->addr.bus != pci_addr.bus ||
1431 pci_dev->addr.devid != pci_addr.devid ||
1432 pci_dev->addr.function != pci_addr.function)
1434 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1435 ibv_list[ret]->name);
1436 ibv_match[nd++] = ibv_list[ret];
1438 ibv_match[nd] = NULL;
1440 /* No device matches, just complain and bail out. */
1442 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1443 " are kernel drivers loaded?",
1444 pci_dev->addr.domain, pci_dev->addr.bus,
1445 pci_dev->addr.devid, pci_dev->addr.function);
1452 * Found single matching device may have multiple ports.
1453 * Each port may be representor, we have to check the port
1454 * number and check the representors existence.
1457 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1459 DRV_LOG(WARNING, "can not get IB device \"%s\""
1460 " ports number", ibv_match[0]->name);
1461 if (bd >= 0 && !np) {
1462 DRV_LOG(ERR, "can not get ports"
1463 " for bonding device");
1469 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1472 * This may happen if there is VF LAG kernel support and
1473 * application is compiled with older rdma_core library.
1476 "No kernel/verbs support for VF LAG bonding found.");
1477 rte_errno = ENOTSUP;
1483 * Now we can determine the maximal
1484 * amount of devices to be spawned.
1486 list = rte_zmalloc("device spawn data",
1487 sizeof(struct mlx5_dev_spawn_data) *
1489 RTE_CACHE_LINE_SIZE);
1491 DRV_LOG(ERR, "spawn data array allocation failure");
1496 if (bd >= 0 || np > 1) {
1498 * Single IB device with multiple ports found,
1499 * it may be E-Switch master device and representors.
1500 * We have to perform identification through the ports.
1502 MLX5_ASSERT(nl_rdma >= 0);
1503 MLX5_ASSERT(ns == 0);
1504 MLX5_ASSERT(nd == 1);
1506 for (i = 1; i <= np; ++i) {
1507 list[ns].max_port = np;
1508 list[ns].phys_port = i;
1509 list[ns].phys_dev = ibv_match[0];
1510 list[ns].eth_dev = NULL;
1511 list[ns].pci_dev = pci_dev;
1512 list[ns].pf_bond = bd;
1513 list[ns].ifindex = mlx5_nl_ifindex
1515 mlx5_os_get_dev_device_name
1516 (list[ns].phys_dev), i);
1517 if (!list[ns].ifindex) {
1519 * No network interface index found for the
1520 * specified port, it means there is no
1521 * representor on this port. It's OK,
1522 * there can be disabled ports, for example
1523 * if sriov_numvfs < sriov_totalvfs.
1529 ret = mlx5_nl_switch_info
1533 if (ret || (!list[ns].info.representor &&
1534 !list[ns].info.master)) {
1536 * We failed to recognize representors with
1537 * Netlink, let's try to perform the task
1540 ret = mlx5_sysfs_switch_info
1544 if (!ret && bd >= 0) {
1545 switch (list[ns].info.name_type) {
1546 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1547 if (list[ns].info.port_name == bd)
1550 case MLX5_PHYS_PORT_NAME_TYPE_PFHPF:
1552 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1553 if (list[ns].info.pf_num == bd)
1561 if (!ret && (list[ns].info.representor ^
1562 list[ns].info.master))
1567 "unable to recognize master/representors"
1568 " on the IB device with multiple ports");
1575 * The existence of several matching entries (nd > 1) means
1576 * port representors have been instantiated. No existing Verbs
1577 * call nor sysfs entries can tell them apart, this can only
1578 * be done through Netlink calls assuming kernel drivers are
1579 * recent enough to support them.
1581 * In the event of identification failure through Netlink,
1582 * try again through sysfs, then:
1584 * 1. A single IB device matches (nd == 1) with single
1585 * port (np=0/1) and is not a representor, assume
1586 * no switch support.
1588 * 2. Otherwise no safe assumptions can be made;
1589 * complain louder and bail out.
1591 for (i = 0; i != nd; ++i) {
1592 memset(&list[ns].info, 0, sizeof(list[ns].info));
1593 list[ns].max_port = 1;
1594 list[ns].phys_port = 1;
1595 list[ns].phys_dev = ibv_match[i];
1596 list[ns].eth_dev = NULL;
1597 list[ns].pci_dev = pci_dev;
1598 list[ns].pf_bond = -1;
1599 list[ns].ifindex = 0;
1601 list[ns].ifindex = mlx5_nl_ifindex
1603 mlx5_os_get_dev_device_name
1604 (list[ns].phys_dev), 1);
1605 if (!list[ns].ifindex) {
1606 char ifname[IF_NAMESIZE];
1609 * Netlink failed, it may happen with old
1610 * ib_core kernel driver (before 4.16).
1611 * We can assume there is old driver because
1612 * here we are processing single ports IB
1613 * devices. Let's try sysfs to retrieve
1614 * the ifindex. The method works for
1615 * master device only.
1619 * Multiple devices found, assume
1620 * representors, can not distinguish
1621 * master/representor and retrieve
1622 * ifindex via sysfs.
1626 ret = mlx5_get_ifname_sysfs
1627 (ibv_match[i]->ibdev_path, ifname);
1630 if_nametoindex(ifname);
1631 if (!list[ns].ifindex) {
1633 * No network interface index found
1634 * for the specified device, it means
1635 * there it is neither representor
1643 ret = mlx5_nl_switch_info
1647 if (ret || (!list[ns].info.representor &&
1648 !list[ns].info.master)) {
1650 * We failed to recognize representors with
1651 * Netlink, let's try to perform the task
1654 ret = mlx5_sysfs_switch_info
1658 if (!ret && (list[ns].info.representor ^
1659 list[ns].info.master)) {
1661 } else if ((nd == 1) &&
1662 !list[ns].info.representor &&
1663 !list[ns].info.master) {
1665 * Single IB device with
1666 * one physical port and
1667 * attached network device.
1668 * May be SRIOV is not enabled
1669 * or there is no representors.
1671 DRV_LOG(INFO, "no E-Switch support detected");
1678 "unable to recognize master/representors"
1679 " on the multiple IB devices");
1687 * Sort list to probe devices in natural order for users convenience
1688 * (i.e. master first, then representors from lowest to highest ID).
1690 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
1691 /* Default configuration. */
1692 dev_config = (struct mlx5_dev_config){
1694 .mps = MLX5_ARG_UNSET,
1695 .dbnc = MLX5_ARG_UNSET,
1697 .txq_inline_max = MLX5_ARG_UNSET,
1698 .txq_inline_min = MLX5_ARG_UNSET,
1699 .txq_inline_mpw = MLX5_ARG_UNSET,
1700 .txqs_inline = MLX5_ARG_UNSET,
1702 .mr_ext_memseg_en = 1,
1704 .enabled = 0, /* Disabled by default. */
1707 .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
1708 .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
1712 .log_hp_size = MLX5_ARG_UNSET,
1714 /* Device specific configuration. */
1715 switch (pci_dev->id.device_id) {
1716 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1717 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1718 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1719 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1720 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1721 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1722 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
1728 for (i = 0; i != ns; ++i) {
1731 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1734 if (!list[i].eth_dev) {
1735 if (rte_errno != EBUSY && rte_errno != EEXIST)
1737 /* Device is disabled or already spawned. Ignore it. */
1740 restore = list[i].eth_dev->data->dev_flags;
1741 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
1742 /* Restore non-PCI flags cleared by the above call. */
1743 list[i].eth_dev->data->dev_flags |= restore;
1744 rte_eth_dev_probing_finish(list[i].eth_dev);
1748 "probe of PCI device " PCI_PRI_FMT " aborted after"
1749 " encountering an error: %s",
1750 pci_dev->addr.domain, pci_dev->addr.bus,
1751 pci_dev->addr.devid, pci_dev->addr.function,
1752 strerror(rte_errno));
1756 if (!list[i].eth_dev)
1758 mlx5_dev_close(list[i].eth_dev);
1759 /* mac_addrs must not be freed because in dev_private */
1760 list[i].eth_dev->data->mac_addrs = NULL;
1761 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
1763 /* Restore original error. */
1770 * Do the routine cleanup:
1771 * - close opened Netlink sockets
1772 * - free allocated spawn data array
1773 * - free the Infiniband device list
1781 MLX5_ASSERT(ibv_list);
1782 mlx5_glue->free_device_list(ibv_list);
1787 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
1792 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1793 /* Get environment variable to store. */
1794 env = getenv(MLX5_SHUT_UP_BF);
1795 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
1796 if (config->dbnc == MLX5_ARG_UNSET)
1797 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
1799 setenv(MLX5_SHUT_UP_BF,
1800 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
1805 mlx5_restore_doorbell_mapping_env(int value)
1807 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1808 /* Restore the original environment variable state. */
1809 if (value == MLX5_ARG_UNSET)
1810 unsetenv(MLX5_SHUT_UP_BF);
1812 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
1816 * Extract pdn of PD object using DV API.
1819 * Pointer to the verbs PD object.
1821 * Pointer to the PD object number variable.
1824 * 0 on success, error value otherwise.
1827 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1829 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1830 struct mlx5dv_obj obj;
1831 struct mlx5dv_pd pd_info;
1835 obj.pd.out = &pd_info;
1836 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
1838 DRV_LOG(DEBUG, "Fail to get PD object info");
1847 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
1851 * Function API to open IB device.
1853 * This function calls the Linux glue APIs to open a device.
1856 * Pointer to the IB device attributes (name, port, etc).
1857 * @param[out] config
1858 * Pointer to device configuration structure.
1860 * Pointer to shared context structure.
1863 * 0 on success, a positive error value otherwise.
1866 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
1867 const struct mlx5_dev_config *config,
1868 struct mlx5_dev_ctx_shared *sh)
1873 * Configure environment variable "MLX5_BF_SHUT_UP"
1874 * before the device creation. The rdma_core library
1875 * checks the variable at device creation and
1876 * stores the result internally.
1878 dbmap_env = mlx5_config_doorbell_mapping_env(config);
1879 /* Try to open IB device with DV first, then usual Verbs. */
1881 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
1884 DRV_LOG(DEBUG, "DevX is supported");
1885 /* The device is created, no need for environment. */
1886 mlx5_restore_doorbell_mapping_env(dbmap_env);
1888 /* The environment variable is still configured. */
1889 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
1890 err = errno ? errno : ENODEV;
1892 * The environment variable is not needed anymore,
1893 * all device creation attempts are completed.
1895 mlx5_restore_doorbell_mapping_env(dbmap_env);
1898 DRV_LOG(DEBUG, "DevX is NOT supported");
1905 * Install shared asynchronous device events handler.
1906 * This function is implemented to support event sharing
1907 * between multiple ports of single IB device.
1910 * Pointer to mlx5_dev_ctx_shared object.
1913 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
1918 sh->intr_handle.fd = -1;
1919 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
1920 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
1921 F_SETFL, flags | O_NONBLOCK);
1923 DRV_LOG(INFO, "failed to change file descriptor async event"
1926 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
1927 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
1928 if (rte_intr_callback_register(&sh->intr_handle,
1929 mlx5_dev_interrupt_handler, sh)) {
1930 DRV_LOG(INFO, "Fail to install the shared interrupt.");
1931 sh->intr_handle.fd = -1;
1935 #ifdef HAVE_IBV_DEVX_ASYNC
1936 sh->intr_handle_devx.fd = -1;
1938 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
1939 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
1941 DRV_LOG(INFO, "failed to allocate devx_comp.");
1944 flags = fcntl(devx_comp->fd, F_GETFL);
1945 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
1947 DRV_LOG(INFO, "failed to change file descriptor"
1951 sh->intr_handle_devx.fd = devx_comp->fd;
1952 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
1953 if (rte_intr_callback_register(&sh->intr_handle_devx,
1954 mlx5_dev_interrupt_handler_devx, sh)) {
1955 DRV_LOG(INFO, "Fail to install the devx shared"
1957 sh->intr_handle_devx.fd = -1;
1959 #endif /* HAVE_IBV_DEVX_ASYNC */
1964 * Uninstall shared asynchronous device events handler.
1965 * This function is implemented to support event sharing
1966 * between multiple ports of single IB device.
1969 * Pointer to mlx5_dev_ctx_shared object.
1972 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
1974 if (sh->intr_handle.fd >= 0)
1975 mlx5_intr_callback_unregister(&sh->intr_handle,
1976 mlx5_dev_interrupt_handler, sh);
1977 #ifdef HAVE_IBV_DEVX_ASYNC
1978 if (sh->intr_handle_devx.fd >= 0)
1979 rte_intr_callback_unregister(&sh->intr_handle_devx,
1980 mlx5_dev_interrupt_handler_devx, sh);
1982 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
1987 * Read statistics by a named counter.
1990 * Pointer to the private device data structure.
1991 * @param[in] ctr_name
1992 * Pointer to the name of the statistic counter to read
1994 * Pointer to read statistic value.
1996 * 0 on success and stat is valud, 1 if failed to read the value
2001 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2007 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2008 priv->sh->ibdev_path,
2011 fd = open(path, O_RDONLY);
2013 char buf[21] = {'\0'};
2014 ssize_t n = read(fd, buf, sizeof(buf));
2018 *stat = strtoull(buf, NULL, 10);
2028 * Read device counters table.
2031 * Pointer to Ethernet device.
2033 * Counters table output buffer.
2036 * 0 on success and stats is filled, negative errno value otherwise and
2040 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
2042 struct mlx5_priv *priv = dev->data->dev_private;
2043 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2046 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
2047 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
2048 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
2051 et_stats->cmd = ETHTOOL_GSTATS;
2052 et_stats->n_stats = xstats_ctrl->stats_n;
2053 ifr.ifr_data = (caddr_t)et_stats;
2054 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2057 "port %u unable to read statistic values from device",
2058 dev->data->port_id);
2061 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
2062 if (xstats_ctrl->info[i].dev) {
2063 ret = mlx5_os_read_dev_stat(priv,
2064 xstats_ctrl->info[i].ctr_name,
2066 /* return last xstats counter if fail to read. */
2068 xstats_ctrl->xstats[i] = stats[i];
2070 stats[i] = xstats_ctrl->xstats[i];
2072 stats[i] = (uint64_t)
2073 et_stats->data[xstats_ctrl->dev_table_idx[i]];
2080 * Query the number of statistics provided by ETHTOOL.
2083 * Pointer to Ethernet device.
2086 * Number of statistics on success, negative errno value otherwise and
2090 mlx5_os_get_stats_n(struct rte_eth_dev *dev)
2092 struct ethtool_drvinfo drvinfo;
2096 drvinfo.cmd = ETHTOOL_GDRVINFO;
2097 ifr.ifr_data = (caddr_t)&drvinfo;
2098 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2100 DRV_LOG(WARNING, "port %u unable to query number of statistics",
2101 dev->data->port_id);
2104 return drvinfo.n_stats;
2107 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
2109 .dpdk_name = "rx_port_unicast_bytes",
2110 .ctr_name = "rx_vport_unicast_bytes",
2113 .dpdk_name = "rx_port_multicast_bytes",
2114 .ctr_name = "rx_vport_multicast_bytes",
2117 .dpdk_name = "rx_port_broadcast_bytes",
2118 .ctr_name = "rx_vport_broadcast_bytes",
2121 .dpdk_name = "rx_port_unicast_packets",
2122 .ctr_name = "rx_vport_unicast_packets",
2125 .dpdk_name = "rx_port_multicast_packets",
2126 .ctr_name = "rx_vport_multicast_packets",
2129 .dpdk_name = "rx_port_broadcast_packets",
2130 .ctr_name = "rx_vport_broadcast_packets",
2133 .dpdk_name = "tx_port_unicast_bytes",
2134 .ctr_name = "tx_vport_unicast_bytes",
2137 .dpdk_name = "tx_port_multicast_bytes",
2138 .ctr_name = "tx_vport_multicast_bytes",
2141 .dpdk_name = "tx_port_broadcast_bytes",
2142 .ctr_name = "tx_vport_broadcast_bytes",
2145 .dpdk_name = "tx_port_unicast_packets",
2146 .ctr_name = "tx_vport_unicast_packets",
2149 .dpdk_name = "tx_port_multicast_packets",
2150 .ctr_name = "tx_vport_multicast_packets",
2153 .dpdk_name = "tx_port_broadcast_packets",
2154 .ctr_name = "tx_vport_broadcast_packets",
2157 .dpdk_name = "rx_wqe_err",
2158 .ctr_name = "rx_wqe_err",
2161 .dpdk_name = "rx_crc_errors_phy",
2162 .ctr_name = "rx_crc_errors_phy",
2165 .dpdk_name = "rx_in_range_len_errors_phy",
2166 .ctr_name = "rx_in_range_len_errors_phy",
2169 .dpdk_name = "rx_symbol_err_phy",
2170 .ctr_name = "rx_symbol_err_phy",
2173 .dpdk_name = "tx_errors_phy",
2174 .ctr_name = "tx_errors_phy",
2177 .dpdk_name = "rx_out_of_buffer",
2178 .ctr_name = "out_of_buffer",
2182 .dpdk_name = "tx_packets_phy",
2183 .ctr_name = "tx_packets_phy",
2186 .dpdk_name = "rx_packets_phy",
2187 .ctr_name = "rx_packets_phy",
2190 .dpdk_name = "tx_discards_phy",
2191 .ctr_name = "tx_discards_phy",
2194 .dpdk_name = "rx_discards_phy",
2195 .ctr_name = "rx_discards_phy",
2198 .dpdk_name = "tx_bytes_phy",
2199 .ctr_name = "tx_bytes_phy",
2202 .dpdk_name = "rx_bytes_phy",
2203 .ctr_name = "rx_bytes_phy",
2205 /* Representor only */
2207 .dpdk_name = "rx_packets",
2208 .ctr_name = "vport_rx_packets",
2211 .dpdk_name = "rx_bytes",
2212 .ctr_name = "vport_rx_bytes",
2215 .dpdk_name = "tx_packets",
2216 .ctr_name = "vport_tx_packets",
2219 .dpdk_name = "tx_bytes",
2220 .ctr_name = "vport_tx_bytes",
2224 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
2227 * Init the structures to read device counters.
2230 * Pointer to Ethernet device.
2233 mlx5_os_stats_init(struct rte_eth_dev *dev)
2235 struct mlx5_priv *priv = dev->data->dev_private;
2236 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2237 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
2241 struct ethtool_gstrings *strings = NULL;
2242 unsigned int dev_stats_n;
2243 unsigned int str_sz;
2246 /* So that it won't aggregate for each init. */
2247 xstats_ctrl->mlx5_stats_n = 0;
2248 ret = mlx5_os_get_stats_n(dev);
2250 DRV_LOG(WARNING, "port %u no extended statistics available",
2251 dev->data->port_id);
2255 /* Allocate memory to grab stat names and values. */
2256 str_sz = dev_stats_n * ETH_GSTRING_LEN;
2257 strings = (struct ethtool_gstrings *)
2258 rte_malloc("xstats_strings",
2259 str_sz + sizeof(struct ethtool_gstrings), 0);
2261 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
2262 dev->data->port_id);
2265 strings->cmd = ETHTOOL_GSTRINGS;
2266 strings->string_set = ETH_SS_STATS;
2267 strings->len = dev_stats_n;
2268 ifr.ifr_data = (caddr_t)strings;
2269 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2271 DRV_LOG(WARNING, "port %u unable to get statistic names",
2272 dev->data->port_id);
2275 for (i = 0; i != dev_stats_n; ++i) {
2276 const char *curr_string = (const char *)
2277 &strings->data[i * ETH_GSTRING_LEN];
2279 for (j = 0; j != xstats_n; ++j) {
2280 if (!strcmp(mlx5_counters_init[j].ctr_name,
2282 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2284 xstats_ctrl->dev_table_idx[idx] = i;
2285 xstats_ctrl->info[idx] = mlx5_counters_init[j];
2290 /* Add dev counters. */
2291 for (i = 0; i != xstats_n; ++i) {
2292 if (mlx5_counters_init[i].dev) {
2293 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2295 xstats_ctrl->info[idx] = mlx5_counters_init[i];
2296 xstats_ctrl->hw_stats[idx] = 0;
2299 MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
2300 xstats_ctrl->stats_n = dev_stats_n;
2301 /* Copy to base at first time. */
2302 ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
2304 DRV_LOG(ERR, "port %u cannot read device counters: %s",
2305 dev->data->port_id, strerror(rte_errno));
2306 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
2307 stats_ctrl->imissed = 0;
2313 * Set the reg_mr and dereg_mr call backs
2315 * @param reg_mr_cb[out]
2316 * Pointer to reg_mr func
2317 * @param dereg_mr_cb[out]
2318 * Pointer to dereg_mr func
2322 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2323 mlx5_dereg_mr_t *dereg_mr_cb)
2325 *reg_mr_cb = mlx5_verbs_ops.reg_mr;
2326 *dereg_mr_cb = mlx5_verbs_ops.dereg_mr;
2329 const struct eth_dev_ops mlx5_os_dev_ops = {
2330 .dev_configure = mlx5_dev_configure,
2331 .dev_start = mlx5_dev_start,
2332 .dev_stop = mlx5_dev_stop,
2333 .dev_set_link_down = mlx5_set_link_down,
2334 .dev_set_link_up = mlx5_set_link_up,
2335 .dev_close = mlx5_dev_close,
2336 .promiscuous_enable = mlx5_promiscuous_enable,
2337 .promiscuous_disable = mlx5_promiscuous_disable,
2338 .allmulticast_enable = mlx5_allmulticast_enable,
2339 .allmulticast_disable = mlx5_allmulticast_disable,
2340 .link_update = mlx5_link_update,
2341 .stats_get = mlx5_stats_get,
2342 .stats_reset = mlx5_stats_reset,
2343 .xstats_get = mlx5_xstats_get,
2344 .xstats_reset = mlx5_xstats_reset,
2345 .xstats_get_names = mlx5_xstats_get_names,
2346 .fw_version_get = mlx5_fw_version_get,
2347 .dev_infos_get = mlx5_dev_infos_get,
2348 .read_clock = mlx5_read_clock,
2349 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2350 .vlan_filter_set = mlx5_vlan_filter_set,
2351 .rx_queue_setup = mlx5_rx_queue_setup,
2352 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2353 .tx_queue_setup = mlx5_tx_queue_setup,
2354 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2355 .rx_queue_release = mlx5_rx_queue_release,
2356 .tx_queue_release = mlx5_tx_queue_release,
2357 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2358 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2359 .mac_addr_remove = mlx5_mac_addr_remove,
2360 .mac_addr_add = mlx5_mac_addr_add,
2361 .mac_addr_set = mlx5_mac_addr_set,
2362 .set_mc_addr_list = mlx5_set_mc_addr_list,
2363 .mtu_set = mlx5_dev_set_mtu,
2364 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2365 .vlan_offload_set = mlx5_vlan_offload_set,
2366 .reta_update = mlx5_dev_rss_reta_update,
2367 .reta_query = mlx5_dev_rss_reta_query,
2368 .rss_hash_update = mlx5_rss_hash_update,
2369 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2370 .filter_ctrl = mlx5_dev_filter_ctrl,
2371 .rx_descriptor_status = mlx5_rx_descriptor_status,
2372 .tx_descriptor_status = mlx5_tx_descriptor_status,
2373 .rxq_info_get = mlx5_rxq_info_get,
2374 .txq_info_get = mlx5_txq_info_get,
2375 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2376 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2377 .rx_queue_count = mlx5_rx_queue_count,
2378 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2379 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2380 .is_removed = mlx5_is_removed,
2381 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2382 .get_module_info = mlx5_get_module_info,
2383 .get_module_eeprom = mlx5_get_module_eeprom,
2384 .hairpin_cap_get = mlx5_hairpin_cap_get,
2385 .mtr_ops_get = mlx5_flow_meter_ops_get,
2388 /* Available operations from secondary process. */
2389 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2390 .stats_get = mlx5_stats_get,
2391 .stats_reset = mlx5_stats_reset,
2392 .xstats_get = mlx5_xstats_get,
2393 .xstats_reset = mlx5_xstats_reset,
2394 .xstats_get_names = mlx5_xstats_get_names,
2395 .fw_version_get = mlx5_fw_version_get,
2396 .dev_infos_get = mlx5_dev_infos_get,
2397 .rx_descriptor_status = mlx5_rx_descriptor_status,
2398 .tx_descriptor_status = mlx5_tx_descriptor_status,
2399 .rxq_info_get = mlx5_rxq_info_get,
2400 .txq_info_get = mlx5_txq_info_get,
2401 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2402 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2403 .get_module_info = mlx5_get_module_info,
2404 .get_module_eeprom = mlx5_get_module_eeprom,
2407 /* Available operations in flow isolated mode. */
2408 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2409 .dev_configure = mlx5_dev_configure,
2410 .dev_start = mlx5_dev_start,
2411 .dev_stop = mlx5_dev_stop,
2412 .dev_set_link_down = mlx5_set_link_down,
2413 .dev_set_link_up = mlx5_set_link_up,
2414 .dev_close = mlx5_dev_close,
2415 .promiscuous_enable = mlx5_promiscuous_enable,
2416 .promiscuous_disable = mlx5_promiscuous_disable,
2417 .allmulticast_enable = mlx5_allmulticast_enable,
2418 .allmulticast_disable = mlx5_allmulticast_disable,
2419 .link_update = mlx5_link_update,
2420 .stats_get = mlx5_stats_get,
2421 .stats_reset = mlx5_stats_reset,
2422 .xstats_get = mlx5_xstats_get,
2423 .xstats_reset = mlx5_xstats_reset,
2424 .xstats_get_names = mlx5_xstats_get_names,
2425 .fw_version_get = mlx5_fw_version_get,
2426 .dev_infos_get = mlx5_dev_infos_get,
2427 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2428 .vlan_filter_set = mlx5_vlan_filter_set,
2429 .rx_queue_setup = mlx5_rx_queue_setup,
2430 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2431 .tx_queue_setup = mlx5_tx_queue_setup,
2432 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2433 .rx_queue_release = mlx5_rx_queue_release,
2434 .tx_queue_release = mlx5_tx_queue_release,
2435 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2436 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2437 .mac_addr_remove = mlx5_mac_addr_remove,
2438 .mac_addr_add = mlx5_mac_addr_add,
2439 .mac_addr_set = mlx5_mac_addr_set,
2440 .set_mc_addr_list = mlx5_set_mc_addr_list,
2441 .mtu_set = mlx5_dev_set_mtu,
2442 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2443 .vlan_offload_set = mlx5_vlan_offload_set,
2444 .filter_ctrl = mlx5_dev_filter_ctrl,
2445 .rx_descriptor_status = mlx5_rx_descriptor_status,
2446 .tx_descriptor_status = mlx5_tx_descriptor_status,
2447 .rxq_info_get = mlx5_rxq_info_get,
2448 .txq_info_get = mlx5_txq_info_get,
2449 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2450 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2451 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2452 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2453 .is_removed = mlx5_is_removed,
2454 .get_module_info = mlx5_get_module_info,
2455 .get_module_eeprom = mlx5_get_module_eeprom,
2456 .hairpin_cap_get = mlx5_hairpin_cap_get,
2457 .mtr_ops_get = mlx5_flow_meter_ops_get,