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");
940 uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
942 err = mlx5_devx_cmd_register_read
943 (sh->ctx, MLX5_REGISTER_ID_MTUTC, 0,
944 reg, MLX5_ST_SZ_DW(register_mtutc));
948 /* MTUTC register is read successfully. */
949 ts_mode = MLX5_GET(register_mtutc, reg,
951 if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME)
952 config.rt_timestamp = 1;
954 /* Kernel does not support register reading. */
955 if (config.hca_attr.dev_freq_khz ==
956 (NS_PER_S / MS_PER_S))
957 config.rt_timestamp = 1;
960 if (config.mprq.enabled && mprq) {
961 if (config.mprq.stride_num_n &&
962 (config.mprq.stride_num_n > mprq_max_stride_num_n ||
963 config.mprq.stride_num_n < mprq_min_stride_num_n)) {
964 config.mprq.stride_num_n =
965 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
966 mprq_min_stride_num_n),
967 mprq_max_stride_num_n);
969 "the number of strides"
970 " for Multi-Packet RQ is out of range,"
971 " setting default value (%u)",
972 1 << config.mprq.stride_num_n);
974 if (config.mprq.stride_size_n &&
975 (config.mprq.stride_size_n > mprq_max_stride_size_n ||
976 config.mprq.stride_size_n < mprq_min_stride_size_n)) {
977 config.mprq.stride_size_n =
978 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
979 mprq_min_stride_size_n),
980 mprq_max_stride_size_n);
982 "the size of a stride"
983 " for Multi-Packet RQ is out of range,"
984 " setting default value (%u)",
985 1 << config.mprq.stride_size_n);
987 config.mprq.min_stride_size_n = mprq_min_stride_size_n;
988 config.mprq.max_stride_size_n = mprq_max_stride_size_n;
989 } else if (config.mprq.enabled && !mprq) {
990 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
991 config.mprq.enabled = 0;
993 if (config.max_dump_files_num == 0)
994 config.max_dump_files_num = 128;
995 eth_dev = rte_eth_dev_allocate(name);
996 if (eth_dev == NULL) {
997 DRV_LOG(ERR, "can not allocate rte ethdev");
1001 /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
1002 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1003 if (priv->representor) {
1004 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
1005 eth_dev->data->representor_id = priv->representor_id;
1008 * Store associated network device interface index. This index
1009 * is permanent throughout the lifetime of device. So, we may store
1010 * the ifindex here and use the cached value further.
1012 MLX5_ASSERT(spawn->ifindex);
1013 priv->if_index = spawn->ifindex;
1014 eth_dev->data->dev_private = priv;
1015 priv->dev_data = eth_dev->data;
1016 eth_dev->data->mac_addrs = priv->mac;
1017 eth_dev->device = dpdk_dev;
1018 /* Configure the first MAC address by default. */
1019 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1021 "port %u cannot get MAC address, is mlx5_en"
1022 " loaded? (errno: %s)",
1023 eth_dev->data->port_id, strerror(rte_errno));
1028 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1029 eth_dev->data->port_id,
1030 mac.addr_bytes[0], mac.addr_bytes[1],
1031 mac.addr_bytes[2], mac.addr_bytes[3],
1032 mac.addr_bytes[4], mac.addr_bytes[5]);
1033 #ifdef RTE_LIBRTE_MLX5_DEBUG
1035 char ifname[IF_NAMESIZE];
1037 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1038 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1039 eth_dev->data->port_id, ifname);
1041 DRV_LOG(DEBUG, "port %u ifname is unknown",
1042 eth_dev->data->port_id);
1045 /* Get actual MTU if possible. */
1046 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1051 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1053 /* Initialize burst functions to prevent crashes before link-up. */
1054 eth_dev->rx_pkt_burst = removed_rx_burst;
1055 eth_dev->tx_pkt_burst = removed_tx_burst;
1056 eth_dev->dev_ops = &mlx5_os_dev_ops;
1057 /* Register MAC address. */
1058 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1059 if (config.vf && config.vf_nl_en)
1060 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1061 mlx5_ifindex(eth_dev),
1062 eth_dev->data->mac_addrs,
1063 MLX5_MAX_MAC_ADDRESSES);
1065 priv->ctrl_flows = 0;
1066 TAILQ_INIT(&priv->flow_meters);
1067 TAILQ_INIT(&priv->flow_meter_profiles);
1068 /* Hint libmlx5 to use PMD allocator for data plane resources */
1069 mlx5_glue->dv_set_context_attr(sh->ctx,
1070 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1071 (void *)((uintptr_t)&(struct mlx5dv_ctx_allocators){
1072 .alloc = &mlx5_alloc_verbs_buf,
1073 .free = &mlx5_free_verbs_buf,
1076 /* Bring Ethernet device up. */
1077 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1078 eth_dev->data->port_id);
1079 mlx5_set_link_up(eth_dev);
1081 * Even though the interrupt handler is not installed yet,
1082 * interrupts will still trigger on the async_fd from
1083 * Verbs context returned by ibv_open_device().
1085 mlx5_link_update(eth_dev, 0);
1086 #ifdef HAVE_MLX5DV_DR_ESWITCH
1087 if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
1088 (switch_info->representor || switch_info->master)))
1089 config.dv_esw_en = 0;
1091 config.dv_esw_en = 0;
1093 /* Detect minimal data bytes to inline. */
1094 mlx5_set_min_inline(spawn, &config);
1095 /* Store device configuration on private structure. */
1096 priv->config = config;
1097 /* Create context for virtual machine VLAN workaround. */
1098 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1099 if (config.dv_flow_en) {
1100 err = mlx5_alloc_shared_dr(priv);
1104 * RSS id is shared with meter flow id. Meter flow id can only
1105 * use the 24 MSB of the register.
1107 priv->qrss_id_pool = mlx5_flow_id_pool_alloc(UINT32_MAX >>
1108 MLX5_MTR_COLOR_BITS);
1109 if (!priv->qrss_id_pool) {
1110 DRV_LOG(ERR, "can't create flow id pool");
1115 /* Supported Verbs flow priority number detection. */
1116 err = mlx5_flow_discover_priorities(eth_dev);
1121 priv->config.flow_prio = err;
1122 if (!priv->config.dv_esw_en &&
1123 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1124 DRV_LOG(WARNING, "metadata mode %u is not supported "
1125 "(no E-Switch)", priv->config.dv_xmeta_en);
1126 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1128 mlx5_set_metadata_mask(eth_dev);
1129 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1130 !priv->sh->dv_regc0_mask) {
1131 DRV_LOG(ERR, "metadata mode %u is not supported "
1132 "(no metadata reg_c[0] is available)",
1133 priv->config.dv_xmeta_en);
1138 * Allocate the buffer for flow creating, just once.
1139 * The allocation must be done before any flow creating.
1141 mlx5_flow_alloc_intermediate(eth_dev);
1142 /* Query availability of metadata reg_c's. */
1143 err = mlx5_flow_discover_mreg_c(eth_dev);
1148 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1150 "port %u extensive metadata register is not supported",
1151 eth_dev->data->port_id);
1152 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1153 DRV_LOG(ERR, "metadata mode %u is not supported "
1154 "(no metadata registers available)",
1155 priv->config.dv_xmeta_en);
1160 if (priv->config.dv_flow_en &&
1161 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1162 mlx5_flow_ext_mreg_supported(eth_dev) &&
1163 priv->sh->dv_regc0_mask) {
1164 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1165 MLX5_FLOW_MREG_HTABLE_SZ);
1166 if (!priv->mreg_cp_tbl) {
1174 if (priv->mreg_cp_tbl)
1175 mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
1177 mlx5_os_free_shared_dr(priv);
1178 if (priv->nl_socket_route >= 0)
1179 close(priv->nl_socket_route);
1180 if (priv->nl_socket_rdma >= 0)
1181 close(priv->nl_socket_rdma);
1182 if (priv->vmwa_context)
1183 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1184 if (priv->qrss_id_pool)
1185 mlx5_flow_id_pool_release(priv->qrss_id_pool);
1187 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1189 if (eth_dev != NULL)
1190 eth_dev->data->dev_private = NULL;
1192 if (eth_dev != NULL) {
1193 /* mac_addrs must not be freed alone because part of
1196 eth_dev->data->mac_addrs = NULL;
1197 rte_eth_dev_release_port(eth_dev);
1200 mlx5_free_shared_dev_ctx(sh);
1201 MLX5_ASSERT(err > 0);
1207 * Comparison callback to sort device data.
1209 * This is meant to be used with qsort().
1212 * Pointer to pointer to first data object.
1214 * Pointer to pointer to second data object.
1217 * 0 if both objects are equal, less than 0 if the first argument is less
1218 * than the second, greater than 0 otherwise.
1221 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1223 const struct mlx5_switch_info *si_a =
1224 &((const struct mlx5_dev_spawn_data *)a)->info;
1225 const struct mlx5_switch_info *si_b =
1226 &((const struct mlx5_dev_spawn_data *)b)->info;
1229 /* Master device first. */
1230 ret = si_b->master - si_a->master;
1233 /* Then representor devices. */
1234 ret = si_b->representor - si_a->representor;
1237 /* Unidentified devices come last in no specific order. */
1238 if (!si_a->representor)
1240 /* Order representors by name. */
1241 return si_a->port_name - si_b->port_name;
1245 * Match PCI information for possible slaves of bonding device.
1247 * @param[in] ibv_dev
1248 * Pointer to Infiniband device structure.
1249 * @param[in] pci_dev
1250 * Pointer to PCI device structure to match PCI address.
1251 * @param[in] nl_rdma
1252 * Netlink RDMA group socket handle.
1255 * negative value if no bonding device found, otherwise
1256 * positive index of slave PF in bonding.
1259 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1260 const struct rte_pci_device *pci_dev,
1263 char ifname[IF_NAMESIZE + 1];
1264 unsigned int ifindex;
1270 * Try to get master device name. If something goes
1271 * wrong suppose the lack of kernel support and no
1276 if (!strstr(ibv_dev->name, "bond"))
1278 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1282 * The Master device might not be on the predefined
1283 * port (not on port index 1, it is not garanted),
1284 * we have to scan all Infiniband device port and
1287 for (i = 1; i <= np; ++i) {
1288 /* Check whether Infiniband port is populated. */
1289 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1292 if (!if_indextoname(ifindex, ifname))
1294 /* Try to read bonding slave names from sysfs. */
1296 "/sys/class/net/%s/master/bonding/slaves", ifname);
1297 file = fopen(slaves, "r");
1303 /* Use safe format to check maximal buffer length. */
1304 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1305 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1306 char tmp_str[IF_NAMESIZE + 32];
1307 struct rte_pci_addr pci_addr;
1308 struct mlx5_switch_info info;
1310 /* Process slave interface names in the loop. */
1311 snprintf(tmp_str, sizeof(tmp_str),
1312 "/sys/class/net/%s", ifname);
1313 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1314 DRV_LOG(WARNING, "can not get PCI address"
1315 " for netdev \"%s\"", ifname);
1318 if (pci_dev->addr.domain != pci_addr.domain ||
1319 pci_dev->addr.bus != pci_addr.bus ||
1320 pci_dev->addr.devid != pci_addr.devid ||
1321 pci_dev->addr.function != pci_addr.function)
1323 /* Slave interface PCI address match found. */
1325 snprintf(tmp_str, sizeof(tmp_str),
1326 "/sys/class/net/%s/phys_port_name", ifname);
1327 file = fopen(tmp_str, "rb");
1330 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1331 if (fscanf(file, "%32s", tmp_str) == 1)
1332 mlx5_translate_port_name(tmp_str, &info);
1333 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1334 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1335 pf = info.port_name;
1344 * DPDK callback to register a PCI device.
1346 * This function spawns Ethernet devices out of a given PCI device.
1348 * @param[in] pci_drv
1349 * PCI driver structure (mlx5_driver).
1350 * @param[in] pci_dev
1351 * PCI device information.
1354 * 0 on success, a negative errno value otherwise and rte_errno is set.
1357 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1358 struct rte_pci_device *pci_dev)
1360 struct ibv_device **ibv_list;
1362 * Number of found IB Devices matching with requested PCI BDF.
1363 * nd != 1 means there are multiple IB devices over the same
1364 * PCI device and we have representors and master.
1366 unsigned int nd = 0;
1368 * Number of found IB device Ports. nd = 1 and np = 1..n means
1369 * we have the single multiport IB device, and there may be
1370 * representors attached to some of found ports.
1372 unsigned int np = 0;
1374 * Number of DPDK ethernet devices to Spawn - either over
1375 * multiple IB devices or multiple ports of single IB device.
1376 * Actually this is the number of iterations to spawn.
1378 unsigned int ns = 0;
1381 * < 0 - no bonding device (single one)
1382 * >= 0 - bonding device (value is slave PF index)
1385 struct mlx5_dev_spawn_data *list = NULL;
1386 struct mlx5_dev_config dev_config;
1389 if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
1390 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
1394 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1395 mlx5_pmd_socket_init();
1396 ret = mlx5_init_once();
1398 DRV_LOG(ERR, "unable to init PMD global data: %s",
1399 strerror(rte_errno));
1402 MLX5_ASSERT(pci_drv == &mlx5_driver);
1404 ibv_list = mlx5_glue->get_device_list(&ret);
1406 rte_errno = errno ? errno : ENOSYS;
1407 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1411 * First scan the list of all Infiniband devices to find
1412 * matching ones, gathering into the list.
1414 struct ibv_device *ibv_match[ret + 1];
1415 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1416 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1420 struct rte_pci_addr pci_addr;
1422 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1423 bd = mlx5_device_bond_pci_match
1424 (ibv_list[ret], pci_dev, nl_rdma);
1427 * Bonding device detected. Only one match is allowed,
1428 * the bonding is supported over multi-port IB device,
1429 * there should be no matches on representor PCI
1430 * functions or non VF LAG bonding devices with
1431 * specified address.
1435 "multiple PCI match on bonding device"
1436 "\"%s\" found", ibv_list[ret]->name);
1441 DRV_LOG(INFO, "PCI information matches for"
1442 " slave %d bonding device \"%s\"",
1443 bd, ibv_list[ret]->name);
1444 ibv_match[nd++] = ibv_list[ret];
1447 if (mlx5_dev_to_pci_addr
1448 (ibv_list[ret]->ibdev_path, &pci_addr))
1450 if (pci_dev->addr.domain != pci_addr.domain ||
1451 pci_dev->addr.bus != pci_addr.bus ||
1452 pci_dev->addr.devid != pci_addr.devid ||
1453 pci_dev->addr.function != pci_addr.function)
1455 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1456 ibv_list[ret]->name);
1457 ibv_match[nd++] = ibv_list[ret];
1459 ibv_match[nd] = NULL;
1461 /* No device matches, just complain and bail out. */
1463 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1464 " are kernel drivers loaded?",
1465 pci_dev->addr.domain, pci_dev->addr.bus,
1466 pci_dev->addr.devid, pci_dev->addr.function);
1473 * Found single matching device may have multiple ports.
1474 * Each port may be representor, we have to check the port
1475 * number and check the representors existence.
1478 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1480 DRV_LOG(WARNING, "can not get IB device \"%s\""
1481 " ports number", ibv_match[0]->name);
1482 if (bd >= 0 && !np) {
1483 DRV_LOG(ERR, "can not get ports"
1484 " for bonding device");
1490 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1493 * This may happen if there is VF LAG kernel support and
1494 * application is compiled with older rdma_core library.
1497 "No kernel/verbs support for VF LAG bonding found.");
1498 rte_errno = ENOTSUP;
1504 * Now we can determine the maximal
1505 * amount of devices to be spawned.
1507 list = rte_zmalloc("device spawn data",
1508 sizeof(struct mlx5_dev_spawn_data) *
1510 RTE_CACHE_LINE_SIZE);
1512 DRV_LOG(ERR, "spawn data array allocation failure");
1517 if (bd >= 0 || np > 1) {
1519 * Single IB device with multiple ports found,
1520 * it may be E-Switch master device and representors.
1521 * We have to perform identification through the ports.
1523 MLX5_ASSERT(nl_rdma >= 0);
1524 MLX5_ASSERT(ns == 0);
1525 MLX5_ASSERT(nd == 1);
1527 for (i = 1; i <= np; ++i) {
1528 list[ns].max_port = np;
1529 list[ns].phys_port = i;
1530 list[ns].phys_dev = ibv_match[0];
1531 list[ns].eth_dev = NULL;
1532 list[ns].pci_dev = pci_dev;
1533 list[ns].pf_bond = bd;
1534 list[ns].ifindex = mlx5_nl_ifindex
1536 mlx5_os_get_dev_device_name
1537 (list[ns].phys_dev), i);
1538 if (!list[ns].ifindex) {
1540 * No network interface index found for the
1541 * specified port, it means there is no
1542 * representor on this port. It's OK,
1543 * there can be disabled ports, for example
1544 * if sriov_numvfs < sriov_totalvfs.
1550 ret = mlx5_nl_switch_info
1554 if (ret || (!list[ns].info.representor &&
1555 !list[ns].info.master)) {
1557 * We failed to recognize representors with
1558 * Netlink, let's try to perform the task
1561 ret = mlx5_sysfs_switch_info
1565 if (!ret && bd >= 0) {
1566 switch (list[ns].info.name_type) {
1567 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1568 if (list[ns].info.port_name == bd)
1571 case MLX5_PHYS_PORT_NAME_TYPE_PFHPF:
1573 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1574 if (list[ns].info.pf_num == bd)
1582 if (!ret && (list[ns].info.representor ^
1583 list[ns].info.master))
1588 "unable to recognize master/representors"
1589 " on the IB device with multiple ports");
1596 * The existence of several matching entries (nd > 1) means
1597 * port representors have been instantiated. No existing Verbs
1598 * call nor sysfs entries can tell them apart, this can only
1599 * be done through Netlink calls assuming kernel drivers are
1600 * recent enough to support them.
1602 * In the event of identification failure through Netlink,
1603 * try again through sysfs, then:
1605 * 1. A single IB device matches (nd == 1) with single
1606 * port (np=0/1) and is not a representor, assume
1607 * no switch support.
1609 * 2. Otherwise no safe assumptions can be made;
1610 * complain louder and bail out.
1612 for (i = 0; i != nd; ++i) {
1613 memset(&list[ns].info, 0, sizeof(list[ns].info));
1614 list[ns].max_port = 1;
1615 list[ns].phys_port = 1;
1616 list[ns].phys_dev = ibv_match[i];
1617 list[ns].eth_dev = NULL;
1618 list[ns].pci_dev = pci_dev;
1619 list[ns].pf_bond = -1;
1620 list[ns].ifindex = 0;
1622 list[ns].ifindex = mlx5_nl_ifindex
1624 mlx5_os_get_dev_device_name
1625 (list[ns].phys_dev), 1);
1626 if (!list[ns].ifindex) {
1627 char ifname[IF_NAMESIZE];
1630 * Netlink failed, it may happen with old
1631 * ib_core kernel driver (before 4.16).
1632 * We can assume there is old driver because
1633 * here we are processing single ports IB
1634 * devices. Let's try sysfs to retrieve
1635 * the ifindex. The method works for
1636 * master device only.
1640 * Multiple devices found, assume
1641 * representors, can not distinguish
1642 * master/representor and retrieve
1643 * ifindex via sysfs.
1647 ret = mlx5_get_ifname_sysfs
1648 (ibv_match[i]->ibdev_path, ifname);
1651 if_nametoindex(ifname);
1652 if (!list[ns].ifindex) {
1654 * No network interface index found
1655 * for the specified device, it means
1656 * there it is neither representor
1664 ret = mlx5_nl_switch_info
1668 if (ret || (!list[ns].info.representor &&
1669 !list[ns].info.master)) {
1671 * We failed to recognize representors with
1672 * Netlink, let's try to perform the task
1675 ret = mlx5_sysfs_switch_info
1679 if (!ret && (list[ns].info.representor ^
1680 list[ns].info.master)) {
1682 } else if ((nd == 1) &&
1683 !list[ns].info.representor &&
1684 !list[ns].info.master) {
1686 * Single IB device with
1687 * one physical port and
1688 * attached network device.
1689 * May be SRIOV is not enabled
1690 * or there is no representors.
1692 DRV_LOG(INFO, "no E-Switch support detected");
1699 "unable to recognize master/representors"
1700 " on the multiple IB devices");
1708 * Sort list to probe devices in natural order for users convenience
1709 * (i.e. master first, then representors from lowest to highest ID).
1711 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
1712 /* Default configuration. */
1713 dev_config = (struct mlx5_dev_config){
1715 .mps = MLX5_ARG_UNSET,
1716 .dbnc = MLX5_ARG_UNSET,
1718 .txq_inline_max = MLX5_ARG_UNSET,
1719 .txq_inline_min = MLX5_ARG_UNSET,
1720 .txq_inline_mpw = MLX5_ARG_UNSET,
1721 .txqs_inline = MLX5_ARG_UNSET,
1723 .mr_ext_memseg_en = 1,
1725 .enabled = 0, /* Disabled by default. */
1728 .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
1729 .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
1733 .log_hp_size = MLX5_ARG_UNSET,
1735 /* Device specific configuration. */
1736 switch (pci_dev->id.device_id) {
1737 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1738 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1739 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1740 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1741 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1742 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1743 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
1749 for (i = 0; i != ns; ++i) {
1752 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1755 if (!list[i].eth_dev) {
1756 if (rte_errno != EBUSY && rte_errno != EEXIST)
1758 /* Device is disabled or already spawned. Ignore it. */
1761 restore = list[i].eth_dev->data->dev_flags;
1762 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
1763 /* Restore non-PCI flags cleared by the above call. */
1764 list[i].eth_dev->data->dev_flags |= restore;
1765 rte_eth_dev_probing_finish(list[i].eth_dev);
1769 "probe of PCI device " PCI_PRI_FMT " aborted after"
1770 " encountering an error: %s",
1771 pci_dev->addr.domain, pci_dev->addr.bus,
1772 pci_dev->addr.devid, pci_dev->addr.function,
1773 strerror(rte_errno));
1777 if (!list[i].eth_dev)
1779 mlx5_dev_close(list[i].eth_dev);
1780 /* mac_addrs must not be freed because in dev_private */
1781 list[i].eth_dev->data->mac_addrs = NULL;
1782 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
1784 /* Restore original error. */
1791 * Do the routine cleanup:
1792 * - close opened Netlink sockets
1793 * - free allocated spawn data array
1794 * - free the Infiniband device list
1802 MLX5_ASSERT(ibv_list);
1803 mlx5_glue->free_device_list(ibv_list);
1808 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
1813 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1814 /* Get environment variable to store. */
1815 env = getenv(MLX5_SHUT_UP_BF);
1816 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
1817 if (config->dbnc == MLX5_ARG_UNSET)
1818 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
1820 setenv(MLX5_SHUT_UP_BF,
1821 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
1826 mlx5_restore_doorbell_mapping_env(int value)
1828 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1829 /* Restore the original environment variable state. */
1830 if (value == MLX5_ARG_UNSET)
1831 unsetenv(MLX5_SHUT_UP_BF);
1833 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
1837 * Extract pdn of PD object using DV API.
1840 * Pointer to the verbs PD object.
1842 * Pointer to the PD object number variable.
1845 * 0 on success, error value otherwise.
1848 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1850 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1851 struct mlx5dv_obj obj;
1852 struct mlx5dv_pd pd_info;
1856 obj.pd.out = &pd_info;
1857 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
1859 DRV_LOG(DEBUG, "Fail to get PD object info");
1868 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
1872 * Function API to open IB device.
1874 * This function calls the Linux glue APIs to open a device.
1877 * Pointer to the IB device attributes (name, port, etc).
1878 * @param[out] config
1879 * Pointer to device configuration structure.
1881 * Pointer to shared context structure.
1884 * 0 on success, a positive error value otherwise.
1887 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
1888 const struct mlx5_dev_config *config,
1889 struct mlx5_dev_ctx_shared *sh)
1894 sh->numa_node = spawn->pci_dev->device.numa_node;
1895 pthread_mutex_init(&sh->txpp.mutex, NULL);
1897 * Configure environment variable "MLX5_BF_SHUT_UP"
1898 * before the device creation. The rdma_core library
1899 * checks the variable at device creation and
1900 * stores the result internally.
1902 dbmap_env = mlx5_config_doorbell_mapping_env(config);
1903 /* Try to open IB device with DV first, then usual Verbs. */
1905 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
1908 DRV_LOG(DEBUG, "DevX is supported");
1909 /* The device is created, no need for environment. */
1910 mlx5_restore_doorbell_mapping_env(dbmap_env);
1912 /* The environment variable is still configured. */
1913 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
1914 err = errno ? errno : ENODEV;
1916 * The environment variable is not needed anymore,
1917 * all device creation attempts are completed.
1919 mlx5_restore_doorbell_mapping_env(dbmap_env);
1922 DRV_LOG(DEBUG, "DevX is NOT supported");
1929 * Install shared asynchronous device events handler.
1930 * This function is implemented to support event sharing
1931 * between multiple ports of single IB device.
1934 * Pointer to mlx5_dev_ctx_shared object.
1937 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
1942 sh->intr_handle.fd = -1;
1943 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
1944 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
1945 F_SETFL, flags | O_NONBLOCK);
1947 DRV_LOG(INFO, "failed to change file descriptor async event"
1950 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
1951 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
1952 if (rte_intr_callback_register(&sh->intr_handle,
1953 mlx5_dev_interrupt_handler, sh)) {
1954 DRV_LOG(INFO, "Fail to install the shared interrupt.");
1955 sh->intr_handle.fd = -1;
1959 #ifdef HAVE_IBV_DEVX_ASYNC
1960 sh->intr_handle_devx.fd = -1;
1962 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
1963 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
1965 DRV_LOG(INFO, "failed to allocate devx_comp.");
1968 flags = fcntl(devx_comp->fd, F_GETFL);
1969 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
1971 DRV_LOG(INFO, "failed to change file descriptor"
1975 sh->intr_handle_devx.fd = devx_comp->fd;
1976 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
1977 if (rte_intr_callback_register(&sh->intr_handle_devx,
1978 mlx5_dev_interrupt_handler_devx, sh)) {
1979 DRV_LOG(INFO, "Fail to install the devx shared"
1981 sh->intr_handle_devx.fd = -1;
1983 #endif /* HAVE_IBV_DEVX_ASYNC */
1988 * Uninstall shared asynchronous device events handler.
1989 * This function is implemented to support event sharing
1990 * between multiple ports of single IB device.
1993 * Pointer to mlx5_dev_ctx_shared object.
1996 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
1998 if (sh->intr_handle.fd >= 0)
1999 mlx5_intr_callback_unregister(&sh->intr_handle,
2000 mlx5_dev_interrupt_handler, sh);
2001 #ifdef HAVE_IBV_DEVX_ASYNC
2002 if (sh->intr_handle_devx.fd >= 0)
2003 rte_intr_callback_unregister(&sh->intr_handle_devx,
2004 mlx5_dev_interrupt_handler_devx, sh);
2006 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
2011 * Read statistics by a named counter.
2014 * Pointer to the private device data structure.
2015 * @param[in] ctr_name
2016 * Pointer to the name of the statistic counter to read
2018 * Pointer to read statistic value.
2020 * 0 on success and stat is valud, 1 if failed to read the value
2025 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2031 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2032 priv->sh->ibdev_path,
2035 fd = open(path, O_RDONLY);
2037 char buf[21] = {'\0'};
2038 ssize_t n = read(fd, buf, sizeof(buf));
2042 *stat = strtoull(buf, NULL, 10);
2052 * Read device counters table.
2055 * Pointer to Ethernet device.
2057 * Counters table output buffer.
2060 * 0 on success and stats is filled, negative errno value otherwise and
2064 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
2066 struct mlx5_priv *priv = dev->data->dev_private;
2067 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2070 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
2071 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
2072 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
2075 et_stats->cmd = ETHTOOL_GSTATS;
2076 et_stats->n_stats = xstats_ctrl->stats_n;
2077 ifr.ifr_data = (caddr_t)et_stats;
2078 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2081 "port %u unable to read statistic values from device",
2082 dev->data->port_id);
2085 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
2086 if (xstats_ctrl->info[i].dev) {
2087 ret = mlx5_os_read_dev_stat(priv,
2088 xstats_ctrl->info[i].ctr_name,
2090 /* return last xstats counter if fail to read. */
2092 xstats_ctrl->xstats[i] = stats[i];
2094 stats[i] = xstats_ctrl->xstats[i];
2096 stats[i] = (uint64_t)
2097 et_stats->data[xstats_ctrl->dev_table_idx[i]];
2104 * Query the number of statistics provided by ETHTOOL.
2107 * Pointer to Ethernet device.
2110 * Number of statistics on success, negative errno value otherwise and
2114 mlx5_os_get_stats_n(struct rte_eth_dev *dev)
2116 struct ethtool_drvinfo drvinfo;
2120 drvinfo.cmd = ETHTOOL_GDRVINFO;
2121 ifr.ifr_data = (caddr_t)&drvinfo;
2122 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2124 DRV_LOG(WARNING, "port %u unable to query number of statistics",
2125 dev->data->port_id);
2128 return drvinfo.n_stats;
2131 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
2133 .dpdk_name = "rx_port_unicast_bytes",
2134 .ctr_name = "rx_vport_unicast_bytes",
2137 .dpdk_name = "rx_port_multicast_bytes",
2138 .ctr_name = "rx_vport_multicast_bytes",
2141 .dpdk_name = "rx_port_broadcast_bytes",
2142 .ctr_name = "rx_vport_broadcast_bytes",
2145 .dpdk_name = "rx_port_unicast_packets",
2146 .ctr_name = "rx_vport_unicast_packets",
2149 .dpdk_name = "rx_port_multicast_packets",
2150 .ctr_name = "rx_vport_multicast_packets",
2153 .dpdk_name = "rx_port_broadcast_packets",
2154 .ctr_name = "rx_vport_broadcast_packets",
2157 .dpdk_name = "tx_port_unicast_bytes",
2158 .ctr_name = "tx_vport_unicast_bytes",
2161 .dpdk_name = "tx_port_multicast_bytes",
2162 .ctr_name = "tx_vport_multicast_bytes",
2165 .dpdk_name = "tx_port_broadcast_bytes",
2166 .ctr_name = "tx_vport_broadcast_bytes",
2169 .dpdk_name = "tx_port_unicast_packets",
2170 .ctr_name = "tx_vport_unicast_packets",
2173 .dpdk_name = "tx_port_multicast_packets",
2174 .ctr_name = "tx_vport_multicast_packets",
2177 .dpdk_name = "tx_port_broadcast_packets",
2178 .ctr_name = "tx_vport_broadcast_packets",
2181 .dpdk_name = "rx_wqe_err",
2182 .ctr_name = "rx_wqe_err",
2185 .dpdk_name = "rx_crc_errors_phy",
2186 .ctr_name = "rx_crc_errors_phy",
2189 .dpdk_name = "rx_in_range_len_errors_phy",
2190 .ctr_name = "rx_in_range_len_errors_phy",
2193 .dpdk_name = "rx_symbol_err_phy",
2194 .ctr_name = "rx_symbol_err_phy",
2197 .dpdk_name = "tx_errors_phy",
2198 .ctr_name = "tx_errors_phy",
2201 .dpdk_name = "rx_out_of_buffer",
2202 .ctr_name = "out_of_buffer",
2206 .dpdk_name = "tx_packets_phy",
2207 .ctr_name = "tx_packets_phy",
2210 .dpdk_name = "rx_packets_phy",
2211 .ctr_name = "rx_packets_phy",
2214 .dpdk_name = "tx_discards_phy",
2215 .ctr_name = "tx_discards_phy",
2218 .dpdk_name = "rx_discards_phy",
2219 .ctr_name = "rx_discards_phy",
2222 .dpdk_name = "tx_bytes_phy",
2223 .ctr_name = "tx_bytes_phy",
2226 .dpdk_name = "rx_bytes_phy",
2227 .ctr_name = "rx_bytes_phy",
2229 /* Representor only */
2231 .dpdk_name = "rx_packets",
2232 .ctr_name = "vport_rx_packets",
2235 .dpdk_name = "rx_bytes",
2236 .ctr_name = "vport_rx_bytes",
2239 .dpdk_name = "tx_packets",
2240 .ctr_name = "vport_tx_packets",
2243 .dpdk_name = "tx_bytes",
2244 .ctr_name = "vport_tx_bytes",
2248 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
2251 * Init the structures to read device counters.
2254 * Pointer to Ethernet device.
2257 mlx5_os_stats_init(struct rte_eth_dev *dev)
2259 struct mlx5_priv *priv = dev->data->dev_private;
2260 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2261 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
2265 struct ethtool_gstrings *strings = NULL;
2266 unsigned int dev_stats_n;
2267 unsigned int str_sz;
2270 /* So that it won't aggregate for each init. */
2271 xstats_ctrl->mlx5_stats_n = 0;
2272 ret = mlx5_os_get_stats_n(dev);
2274 DRV_LOG(WARNING, "port %u no extended statistics available",
2275 dev->data->port_id);
2279 /* Allocate memory to grab stat names and values. */
2280 str_sz = dev_stats_n * ETH_GSTRING_LEN;
2281 strings = (struct ethtool_gstrings *)
2282 rte_malloc("xstats_strings",
2283 str_sz + sizeof(struct ethtool_gstrings), 0);
2285 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
2286 dev->data->port_id);
2289 strings->cmd = ETHTOOL_GSTRINGS;
2290 strings->string_set = ETH_SS_STATS;
2291 strings->len = dev_stats_n;
2292 ifr.ifr_data = (caddr_t)strings;
2293 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2295 DRV_LOG(WARNING, "port %u unable to get statistic names",
2296 dev->data->port_id);
2299 for (i = 0; i != dev_stats_n; ++i) {
2300 const char *curr_string = (const char *)
2301 &strings->data[i * ETH_GSTRING_LEN];
2303 for (j = 0; j != xstats_n; ++j) {
2304 if (!strcmp(mlx5_counters_init[j].ctr_name,
2306 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2308 xstats_ctrl->dev_table_idx[idx] = i;
2309 xstats_ctrl->info[idx] = mlx5_counters_init[j];
2314 /* Add dev counters. */
2315 for (i = 0; i != xstats_n; ++i) {
2316 if (mlx5_counters_init[i].dev) {
2317 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2319 xstats_ctrl->info[idx] = mlx5_counters_init[i];
2320 xstats_ctrl->hw_stats[idx] = 0;
2323 MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
2324 xstats_ctrl->stats_n = dev_stats_n;
2325 /* Copy to base at first time. */
2326 ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
2328 DRV_LOG(ERR, "port %u cannot read device counters: %s",
2329 dev->data->port_id, strerror(rte_errno));
2330 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
2331 stats_ctrl->imissed = 0;
2337 * Set the reg_mr and dereg_mr call backs
2339 * @param reg_mr_cb[out]
2340 * Pointer to reg_mr func
2341 * @param dereg_mr_cb[out]
2342 * Pointer to dereg_mr func
2346 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2347 mlx5_dereg_mr_t *dereg_mr_cb)
2349 *reg_mr_cb = mlx5_verbs_ops.reg_mr;
2350 *dereg_mr_cb = mlx5_verbs_ops.dereg_mr;
2353 const struct eth_dev_ops mlx5_os_dev_ops = {
2354 .dev_configure = mlx5_dev_configure,
2355 .dev_start = mlx5_dev_start,
2356 .dev_stop = mlx5_dev_stop,
2357 .dev_set_link_down = mlx5_set_link_down,
2358 .dev_set_link_up = mlx5_set_link_up,
2359 .dev_close = mlx5_dev_close,
2360 .promiscuous_enable = mlx5_promiscuous_enable,
2361 .promiscuous_disable = mlx5_promiscuous_disable,
2362 .allmulticast_enable = mlx5_allmulticast_enable,
2363 .allmulticast_disable = mlx5_allmulticast_disable,
2364 .link_update = mlx5_link_update,
2365 .stats_get = mlx5_stats_get,
2366 .stats_reset = mlx5_stats_reset,
2367 .xstats_get = mlx5_xstats_get,
2368 .xstats_reset = mlx5_xstats_reset,
2369 .xstats_get_names = mlx5_xstats_get_names,
2370 .fw_version_get = mlx5_fw_version_get,
2371 .dev_infos_get = mlx5_dev_infos_get,
2372 .read_clock = mlx5_txpp_read_clock,
2373 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2374 .vlan_filter_set = mlx5_vlan_filter_set,
2375 .rx_queue_setup = mlx5_rx_queue_setup,
2376 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2377 .tx_queue_setup = mlx5_tx_queue_setup,
2378 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2379 .rx_queue_release = mlx5_rx_queue_release,
2380 .tx_queue_release = mlx5_tx_queue_release,
2381 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2382 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2383 .mac_addr_remove = mlx5_mac_addr_remove,
2384 .mac_addr_add = mlx5_mac_addr_add,
2385 .mac_addr_set = mlx5_mac_addr_set,
2386 .set_mc_addr_list = mlx5_set_mc_addr_list,
2387 .mtu_set = mlx5_dev_set_mtu,
2388 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2389 .vlan_offload_set = mlx5_vlan_offload_set,
2390 .reta_update = mlx5_dev_rss_reta_update,
2391 .reta_query = mlx5_dev_rss_reta_query,
2392 .rss_hash_update = mlx5_rss_hash_update,
2393 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2394 .filter_ctrl = mlx5_dev_filter_ctrl,
2395 .rx_descriptor_status = mlx5_rx_descriptor_status,
2396 .tx_descriptor_status = mlx5_tx_descriptor_status,
2397 .rxq_info_get = mlx5_rxq_info_get,
2398 .txq_info_get = mlx5_txq_info_get,
2399 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2400 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2401 .rx_queue_count = mlx5_rx_queue_count,
2402 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2403 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2404 .is_removed = mlx5_is_removed,
2405 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2406 .get_module_info = mlx5_get_module_info,
2407 .get_module_eeprom = mlx5_get_module_eeprom,
2408 .hairpin_cap_get = mlx5_hairpin_cap_get,
2409 .mtr_ops_get = mlx5_flow_meter_ops_get,
2412 /* Available operations from secondary process. */
2413 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2414 .stats_get = mlx5_stats_get,
2415 .stats_reset = mlx5_stats_reset,
2416 .xstats_get = mlx5_xstats_get,
2417 .xstats_reset = mlx5_xstats_reset,
2418 .xstats_get_names = mlx5_xstats_get_names,
2419 .fw_version_get = mlx5_fw_version_get,
2420 .dev_infos_get = mlx5_dev_infos_get,
2421 .read_clock = mlx5_txpp_read_clock,
2422 .rx_descriptor_status = mlx5_rx_descriptor_status,
2423 .tx_descriptor_status = mlx5_tx_descriptor_status,
2424 .rxq_info_get = mlx5_rxq_info_get,
2425 .txq_info_get = mlx5_txq_info_get,
2426 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2427 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2428 .get_module_info = mlx5_get_module_info,
2429 .get_module_eeprom = mlx5_get_module_eeprom,
2432 /* Available operations in flow isolated mode. */
2433 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2434 .dev_configure = mlx5_dev_configure,
2435 .dev_start = mlx5_dev_start,
2436 .dev_stop = mlx5_dev_stop,
2437 .dev_set_link_down = mlx5_set_link_down,
2438 .dev_set_link_up = mlx5_set_link_up,
2439 .dev_close = mlx5_dev_close,
2440 .promiscuous_enable = mlx5_promiscuous_enable,
2441 .promiscuous_disable = mlx5_promiscuous_disable,
2442 .allmulticast_enable = mlx5_allmulticast_enable,
2443 .allmulticast_disable = mlx5_allmulticast_disable,
2444 .link_update = mlx5_link_update,
2445 .stats_get = mlx5_stats_get,
2446 .stats_reset = mlx5_stats_reset,
2447 .xstats_get = mlx5_xstats_get,
2448 .xstats_reset = mlx5_xstats_reset,
2449 .xstats_get_names = mlx5_xstats_get_names,
2450 .fw_version_get = mlx5_fw_version_get,
2451 .dev_infos_get = mlx5_dev_infos_get,
2452 .read_clock = mlx5_txpp_read_clock,
2453 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2454 .vlan_filter_set = mlx5_vlan_filter_set,
2455 .rx_queue_setup = mlx5_rx_queue_setup,
2456 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2457 .tx_queue_setup = mlx5_tx_queue_setup,
2458 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2459 .rx_queue_release = mlx5_rx_queue_release,
2460 .tx_queue_release = mlx5_tx_queue_release,
2461 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2462 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2463 .mac_addr_remove = mlx5_mac_addr_remove,
2464 .mac_addr_add = mlx5_mac_addr_add,
2465 .mac_addr_set = mlx5_mac_addr_set,
2466 .set_mc_addr_list = mlx5_set_mc_addr_list,
2467 .mtu_set = mlx5_dev_set_mtu,
2468 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2469 .vlan_offload_set = mlx5_vlan_offload_set,
2470 .filter_ctrl = mlx5_dev_filter_ctrl,
2471 .rx_descriptor_status = mlx5_rx_descriptor_status,
2472 .tx_descriptor_status = mlx5_tx_descriptor_status,
2473 .rxq_info_get = mlx5_rxq_info_get,
2474 .txq_info_get = mlx5_txq_info_get,
2475 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2476 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2477 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2478 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2479 .is_removed = mlx5_is_removed,
2480 .get_module_info = mlx5_get_module_info,
2481 .get_module_eeprom = mlx5_get_module_eeprom,
2482 .hairpin_cap_get = mlx5_hairpin_cap_get,
2483 .mtr_ops_get = mlx5_flow_meter_ops_get,