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>
46 #include <mlx5_malloc.h>
48 #include "mlx5_defs.h"
50 #include "mlx5_common_os.h"
51 #include "mlx5_utils.h"
52 #include "mlx5_rxtx.h"
53 #include "mlx5_autoconf.h"
55 #include "mlx5_flow.h"
56 #include "rte_pmd_mlx5.h"
57 #include "mlx5_verbs.h"
59 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
61 #ifndef HAVE_IBV_MLX5_MOD_MPW
62 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
63 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
66 #ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
67 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
71 * Get mlx5 device attributes. The glue function query_device_ex() is called
72 * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
73 * device attributes from the glue out parameter.
76 * Pointer to ibv context.
79 * Pointer to mlx5 device attributes.
82 * 0 on success, non zero error number otherwise
85 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
88 struct ibv_device_attr_ex attr_ex;
89 memset(device_attr, 0, sizeof(*device_attr));
90 err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
94 device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
95 device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
96 device_attr->max_sge = attr_ex.orig_attr.max_sge;
97 device_attr->max_cq = attr_ex.orig_attr.max_cq;
98 device_attr->max_qp = attr_ex.orig_attr.max_qp;
99 device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
100 device_attr->max_rwq_indirection_table_size =
101 attr_ex.rss_caps.max_rwq_indirection_table_size;
102 device_attr->max_tso = attr_ex.tso_caps.max_tso;
103 device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
105 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
106 err = mlx5_glue->dv_query_device(ctx, &dv_attr);
110 device_attr->flags = dv_attr.flags;
111 device_attr->comp_mask = dv_attr.comp_mask;
112 #ifdef HAVE_IBV_MLX5_MOD_SWP
113 device_attr->sw_parsing_offloads =
114 dv_attr.sw_parsing_caps.sw_parsing_offloads;
116 device_attr->min_single_stride_log_num_of_bytes =
117 dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
118 device_attr->max_single_stride_log_num_of_bytes =
119 dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
120 device_attr->min_single_wqe_log_num_of_strides =
121 dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
122 device_attr->max_single_wqe_log_num_of_strides =
123 dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
124 device_attr->stride_supported_qpts =
125 dv_attr.striding_rq_caps.supported_qpts;
126 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
127 device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
134 * Verbs callback to allocate a memory. This function should allocate the space
135 * according to the size provided residing inside a huge page.
136 * Please note that all allocation must respect the alignment from libmlx5
137 * (i.e. currently sysconf(_SC_PAGESIZE)).
140 * The size in bytes of the memory to allocate.
142 * A pointer to the callback data.
145 * Allocated buffer, NULL otherwise and rte_errno is set.
148 mlx5_alloc_verbs_buf(size_t size, void *data)
150 struct mlx5_priv *priv = data;
152 size_t alignment = sysconf(_SC_PAGESIZE);
153 unsigned int socket = SOCKET_ID_ANY;
155 if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
156 const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
158 socket = ctrl->socket;
159 } else if (priv->verbs_alloc_ctx.type ==
160 MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
161 const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
163 socket = ctrl->socket;
165 MLX5_ASSERT(data != NULL);
166 ret = mlx5_malloc(0, size, alignment, socket);
173 * Verbs callback to free a memory.
176 * A pointer to the memory to free.
178 * A pointer to the callback data.
181 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
183 MLX5_ASSERT(data != NULL);
188 * Initialize DR related data within private structure.
189 * Routine checks the reference counter and does actual
190 * resources creation/initialization only if counter is zero.
193 * Pointer to the private device data structure.
196 * Zero on success, positive error code otherwise.
199 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
201 struct mlx5_dev_ctx_shared *sh = priv->sh;
202 char s[MLX5_HLIST_NAMESIZE];
206 err = mlx5_alloc_table_hash_list(priv);
208 DRV_LOG(DEBUG, "sh->flow_tbls[%p] already created, reuse\n",
209 (void *)sh->flow_tbls);
212 /* Create tags hash list table. */
213 snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
214 sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
215 if (!sh->tag_table) {
216 DRV_LOG(ERR, "tags with hash creation failed.");
220 #ifdef HAVE_MLX5DV_DR
224 /* Shared DV/DR structures is already initialized. */
229 /* Reference counter is zero, we should initialize structures. */
230 domain = mlx5_glue->dr_create_domain(sh->ctx,
231 MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
233 DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
237 sh->rx_domain = domain;
238 domain = mlx5_glue->dr_create_domain(sh->ctx,
239 MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
241 DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
245 pthread_mutex_init(&sh->dv_mutex, NULL);
246 sh->tx_domain = domain;
247 #ifdef HAVE_MLX5DV_DR_ESWITCH
248 if (priv->config.dv_esw_en) {
249 domain = mlx5_glue->dr_create_domain
250 (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
252 DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
256 sh->fdb_domain = domain;
257 sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
260 if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
261 mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
262 mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
264 mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
266 sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
267 #endif /* HAVE_MLX5DV_DR */
272 /* Rollback the created objects. */
274 mlx5_glue->dr_destroy_domain(sh->rx_domain);
275 sh->rx_domain = NULL;
278 mlx5_glue->dr_destroy_domain(sh->tx_domain);
279 sh->tx_domain = NULL;
281 if (sh->fdb_domain) {
282 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
283 sh->fdb_domain = NULL;
285 if (sh->esw_drop_action) {
286 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
287 sh->esw_drop_action = NULL;
289 if (sh->pop_vlan_action) {
290 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
291 sh->pop_vlan_action = NULL;
294 /* tags should be destroyed with flow before. */
295 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
296 sh->tag_table = NULL;
298 mlx5_free_table_hash_list(priv);
303 * Destroy DR related data within private structure.
306 * Pointer to the private device data structure.
309 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
311 struct mlx5_dev_ctx_shared *sh;
313 if (!priv->dr_shared)
318 #ifdef HAVE_MLX5DV_DR
319 MLX5_ASSERT(sh->dv_refcnt);
320 if (sh->dv_refcnt && --sh->dv_refcnt)
323 mlx5_glue->dr_destroy_domain(sh->rx_domain);
324 sh->rx_domain = NULL;
327 mlx5_glue->dr_destroy_domain(sh->tx_domain);
328 sh->tx_domain = NULL;
330 #ifdef HAVE_MLX5DV_DR_ESWITCH
331 if (sh->fdb_domain) {
332 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
333 sh->fdb_domain = NULL;
335 if (sh->esw_drop_action) {
336 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
337 sh->esw_drop_action = NULL;
340 if (sh->pop_vlan_action) {
341 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
342 sh->pop_vlan_action = NULL;
344 pthread_mutex_destroy(&sh->dv_mutex);
345 #endif /* HAVE_MLX5DV_DR */
347 /* tags should be destroyed with flow before. */
348 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
349 sh->tag_table = NULL;
351 mlx5_free_table_hash_list(priv);
355 * Spawn an Ethernet device from Verbs information.
358 * Backing DPDK device.
360 * Verbs device parameters (name, port, switch_info) to spawn.
362 * Device configuration parameters.
365 * A valid Ethernet device object on success, NULL otherwise and rte_errno
366 * is set. The following errors are defined:
368 * EBUSY: device is not supposed to be spawned.
369 * EEXIST: device is already spawned
371 static struct rte_eth_dev *
372 mlx5_dev_spawn(struct rte_device *dpdk_dev,
373 struct mlx5_dev_spawn_data *spawn,
374 struct mlx5_dev_config config)
376 const struct mlx5_switch_info *switch_info = &spawn->info;
377 struct mlx5_dev_ctx_shared *sh = NULL;
378 struct ibv_port_attr port_attr;
379 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
380 struct rte_eth_dev *eth_dev = NULL;
381 struct mlx5_priv *priv = NULL;
383 unsigned int hw_padding = 0;
385 unsigned int cqe_comp;
386 unsigned int cqe_pad = 0;
387 unsigned int tunnel_en = 0;
388 unsigned int mpls_en = 0;
389 unsigned int swp = 0;
390 unsigned int mprq = 0;
391 unsigned int mprq_min_stride_size_n = 0;
392 unsigned int mprq_max_stride_size_n = 0;
393 unsigned int mprq_min_stride_num_n = 0;
394 unsigned int mprq_max_stride_num_n = 0;
395 struct rte_ether_addr mac;
396 char name[RTE_ETH_NAME_MAX_LEN];
397 int own_domain_id = 0;
400 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
401 struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
404 /* Determine if this port representor is supposed to be spawned. */
405 if (switch_info->representor && dpdk_dev->devargs) {
406 struct rte_eth_devargs eth_da;
408 err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
411 DRV_LOG(ERR, "failed to process device arguments: %s",
412 strerror(rte_errno));
415 for (i = 0; i < eth_da.nb_representor_ports; ++i)
416 if (eth_da.representor_ports[i] ==
417 (uint16_t)switch_info->port_name)
419 if (i == eth_da.nb_representor_ports) {
424 /* Build device name. */
425 if (spawn->pf_bond < 0) {
427 if (!switch_info->representor)
428 strlcpy(name, dpdk_dev->name, sizeof(name));
430 snprintf(name, sizeof(name), "%s_representor_%u",
431 dpdk_dev->name, switch_info->port_name);
433 /* Bonding device. */
434 if (!switch_info->representor)
435 snprintf(name, sizeof(name), "%s_%s",
437 mlx5_os_get_dev_device_name(spawn->phys_dev));
439 snprintf(name, sizeof(name), "%s_%s_representor_%u",
441 mlx5_os_get_dev_device_name(spawn->phys_dev),
442 switch_info->port_name);
444 /* check if the device is already spawned */
445 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
449 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
450 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
451 struct mlx5_mp_id mp_id;
453 eth_dev = rte_eth_dev_attach_secondary(name);
454 if (eth_dev == NULL) {
455 DRV_LOG(ERR, "can not attach rte ethdev");
459 eth_dev->device = dpdk_dev;
460 eth_dev->dev_ops = &mlx5_os_dev_sec_ops;
461 err = mlx5_proc_priv_init(eth_dev);
464 mp_id.port_id = eth_dev->data->port_id;
465 strlcpy(mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
466 /* Receive command fd from primary process */
467 err = mlx5_mp_req_verbs_cmd_fd(&mp_id);
470 /* Remap UAR for Tx queues. */
471 err = mlx5_tx_uar_init_secondary(eth_dev, err);
475 * Ethdev pointer is still required as input since
476 * the primary device is not accessible from the
479 eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
480 eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
483 mlx5_dev_close(eth_dev);
487 * Some parameters ("tx_db_nc" in particularly) are needed in
488 * advance to create dv/verbs device context. We proceed the
489 * devargs here to get ones, and later proceed devargs again
490 * to override some hardware settings.
492 err = mlx5_args(&config, dpdk_dev->devargs);
495 DRV_LOG(ERR, "failed to process device arguments: %s",
496 strerror(rte_errno));
499 mlx5_malloc_mem_select(config.sys_mem_en);
500 sh = mlx5_alloc_shared_dev_ctx(spawn, &config);
503 config.devx = sh->devx;
504 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
507 #ifdef HAVE_IBV_MLX5_MOD_SWP
508 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
511 * Multi-packet send is supported by ConnectX-4 Lx PF as well
512 * as all ConnectX-5 devices.
514 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
515 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
517 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
518 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
520 mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
521 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
522 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
523 DRV_LOG(DEBUG, "enhanced MPW is supported");
524 mps = MLX5_MPW_ENHANCED;
526 DRV_LOG(DEBUG, "MPW is supported");
530 DRV_LOG(DEBUG, "MPW isn't supported");
531 mps = MLX5_MPW_DISABLED;
533 #ifdef HAVE_IBV_MLX5_MOD_SWP
534 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
535 swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
536 DRV_LOG(DEBUG, "SWP support: %u", swp);
539 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
540 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
541 struct mlx5dv_striding_rq_caps mprq_caps =
542 dv_attr.striding_rq_caps;
544 DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
545 mprq_caps.min_single_stride_log_num_of_bytes);
546 DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
547 mprq_caps.max_single_stride_log_num_of_bytes);
548 DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
549 mprq_caps.min_single_wqe_log_num_of_strides);
550 DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
551 mprq_caps.max_single_wqe_log_num_of_strides);
552 DRV_LOG(DEBUG, "\tsupported_qpts: %d",
553 mprq_caps.supported_qpts);
554 DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
556 mprq_min_stride_size_n =
557 mprq_caps.min_single_stride_log_num_of_bytes;
558 mprq_max_stride_size_n =
559 mprq_caps.max_single_stride_log_num_of_bytes;
560 mprq_min_stride_num_n =
561 mprq_caps.min_single_wqe_log_num_of_strides;
562 mprq_max_stride_num_n =
563 mprq_caps.max_single_wqe_log_num_of_strides;
566 if (RTE_CACHE_LINE_SIZE == 128 &&
567 !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
571 config.cqe_comp = cqe_comp;
572 #ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
573 /* Whether device supports 128B Rx CQE padding. */
574 cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
575 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
577 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
578 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
579 tunnel_en = ((dv_attr.tunnel_offloads_caps &
580 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
581 (dv_attr.tunnel_offloads_caps &
582 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE) &&
583 (dv_attr.tunnel_offloads_caps &
584 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE));
586 DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
587 tunnel_en ? "" : "not ");
590 "tunnel offloading disabled due to old OFED/rdma-core version");
592 config.tunnel_en = tunnel_en;
593 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
594 mpls_en = ((dv_attr.tunnel_offloads_caps &
595 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
596 (dv_attr.tunnel_offloads_caps &
597 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
598 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
599 mpls_en ? "" : "not ");
601 DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
602 " old OFED/rdma-core version or firmware configuration");
604 config.mpls_en = mpls_en;
605 /* Check port status. */
606 err = mlx5_glue->query_port(sh->ctx, spawn->phys_port, &port_attr);
608 DRV_LOG(ERR, "port query failed: %s", strerror(err));
611 if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
612 DRV_LOG(ERR, "port is not configured in Ethernet mode");
616 if (port_attr.state != IBV_PORT_ACTIVE)
617 DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
618 mlx5_glue->port_state_str(port_attr.state),
620 /* Allocate private eth device data. */
621 priv = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
623 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
625 DRV_LOG(ERR, "priv allocation failure");
630 priv->dev_port = spawn->phys_port;
631 priv->pci_dev = spawn->pci_dev;
632 priv->mtu = RTE_ETHER_MTU;
633 priv->mp_id.port_id = port_id;
634 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
635 /* Some internal functions rely on Netlink sockets, open them now. */
636 priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
637 priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
638 priv->representor = !!switch_info->representor;
639 priv->master = !!switch_info->master;
640 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
641 priv->vport_meta_tag = 0;
642 priv->vport_meta_mask = 0;
643 priv->pf_bond = spawn->pf_bond;
644 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
646 * The DevX port query API is implemented. E-Switch may use
647 * either vport or reg_c[0] metadata register to match on
648 * vport index. The engaged part of metadata register is
651 if (switch_info->representor || switch_info->master) {
652 devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
653 MLX5DV_DEVX_PORT_MATCH_REG_C_0;
654 err = mlx5_glue->devx_port_query(sh->ctx, spawn->phys_port,
658 "can't query devx port %d on device %s",
660 mlx5_os_get_dev_device_name(spawn->phys_dev));
661 devx_port.comp_mask = 0;
664 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
665 priv->vport_meta_tag = devx_port.reg_c_0.value;
666 priv->vport_meta_mask = devx_port.reg_c_0.mask;
667 if (!priv->vport_meta_mask) {
668 DRV_LOG(ERR, "vport zero mask for port %d"
669 " on bonding device %s",
671 mlx5_os_get_dev_device_name
676 if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
677 DRV_LOG(ERR, "invalid vport tag for port %d"
678 " on bonding device %s",
680 mlx5_os_get_dev_device_name
686 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
687 priv->vport_id = devx_port.vport_num;
688 } else if (spawn->pf_bond >= 0) {
689 DRV_LOG(ERR, "can't deduce vport index for port %d"
690 " on bonding device %s",
692 mlx5_os_get_dev_device_name(spawn->phys_dev));
696 /* Suppose vport index in compatible way. */
697 priv->vport_id = switch_info->representor ?
698 switch_info->port_name + 1 : -1;
702 * Kernel/rdma_core support single E-Switch per PF configurations
703 * only and vport_id field contains the vport index for
704 * associated VF, which is deduced from representor port name.
705 * For example, let's have the IB device port 10, it has
706 * attached network device eth0, which has port name attribute
707 * pf0vf2, we can deduce the VF number as 2, and set vport index
708 * as 3 (2+1). This assigning schema should be changed if the
709 * multiple E-Switch instances per PF configurations or/and PCI
710 * subfunctions are added.
712 priv->vport_id = switch_info->representor ?
713 switch_info->port_name + 1 : -1;
715 /* representor_id field keeps the unmodified VF index. */
716 priv->representor_id = switch_info->representor ?
717 switch_info->port_name : -1;
719 * Look for sibling devices in order to reuse their switch domain
720 * if any, otherwise allocate one.
722 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
723 const struct mlx5_priv *opriv =
724 rte_eth_devices[port_id].data->dev_private;
727 opriv->sh != priv->sh ||
729 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
731 priv->domain_id = opriv->domain_id;
734 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
735 err = rte_eth_switch_domain_alloc(&priv->domain_id);
738 DRV_LOG(ERR, "unable to allocate switch domain: %s",
739 strerror(rte_errno));
744 /* Override some values set by hardware configuration. */
745 mlx5_args(&config, dpdk_dev->devargs);
746 err = mlx5_dev_check_sibling_config(priv, &config);
749 config.hw_csum = !!(sh->device_attr.device_cap_flags_ex &
750 IBV_DEVICE_RAW_IP_CSUM);
751 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
752 (config.hw_csum ? "" : "not "));
753 #if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
754 !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
755 DRV_LOG(DEBUG, "counters are not supported");
757 #if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
758 if (config.dv_flow_en) {
759 DRV_LOG(WARNING, "DV flow is not supported");
760 config.dv_flow_en = 0;
763 config.ind_table_max_size =
764 sh->device_attr.max_rwq_indirection_table_size;
766 * Remove this check once DPDK supports larger/variable
767 * indirection tables.
769 if (config.ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
770 config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
771 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
772 config.ind_table_max_size);
773 config.hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
774 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
775 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
776 (config.hw_vlan_strip ? "" : "not "));
777 config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
778 IBV_RAW_PACKET_CAP_SCATTER_FCS);
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;
961 * If HW has bug working with tunnel packet decapsulation and
962 * scatter FCS, and decapsulation is needed, clear the hw_fcs_strip
963 * bit. Then DEV_RX_OFFLOAD_KEEP_CRC bit will not be set anymore.
965 if (config.hca_attr.scatter_fcs_w_decap_disable && config.decap_en)
966 config.hw_fcs_strip = 0;
967 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
968 (config.hw_fcs_strip ? "" : "not "));
969 if (config.mprq.enabled && mprq) {
970 if (config.mprq.stride_num_n &&
971 (config.mprq.stride_num_n > mprq_max_stride_num_n ||
972 config.mprq.stride_num_n < mprq_min_stride_num_n)) {
973 config.mprq.stride_num_n =
974 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
975 mprq_min_stride_num_n),
976 mprq_max_stride_num_n);
978 "the number of strides"
979 " for Multi-Packet RQ is out of range,"
980 " setting default value (%u)",
981 1 << config.mprq.stride_num_n);
983 if (config.mprq.stride_size_n &&
984 (config.mprq.stride_size_n > mprq_max_stride_size_n ||
985 config.mprq.stride_size_n < mprq_min_stride_size_n)) {
986 config.mprq.stride_size_n =
987 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
988 mprq_min_stride_size_n),
989 mprq_max_stride_size_n);
991 "the size of a stride"
992 " for Multi-Packet RQ is out of range,"
993 " setting default value (%u)",
994 1 << config.mprq.stride_size_n);
996 config.mprq.min_stride_size_n = mprq_min_stride_size_n;
997 config.mprq.max_stride_size_n = mprq_max_stride_size_n;
998 } else if (config.mprq.enabled && !mprq) {
999 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
1000 config.mprq.enabled = 0;
1002 if (config.max_dump_files_num == 0)
1003 config.max_dump_files_num = 128;
1004 eth_dev = rte_eth_dev_allocate(name);
1005 if (eth_dev == NULL) {
1006 DRV_LOG(ERR, "can not allocate rte ethdev");
1010 /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
1011 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1012 if (priv->representor) {
1013 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
1014 eth_dev->data->representor_id = priv->representor_id;
1017 * Store associated network device interface index. This index
1018 * is permanent throughout the lifetime of device. So, we may store
1019 * the ifindex here and use the cached value further.
1021 MLX5_ASSERT(spawn->ifindex);
1022 priv->if_index = spawn->ifindex;
1023 eth_dev->data->dev_private = priv;
1024 priv->dev_data = eth_dev->data;
1025 eth_dev->data->mac_addrs = priv->mac;
1026 eth_dev->device = dpdk_dev;
1027 /* Configure the first MAC address by default. */
1028 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1030 "port %u cannot get MAC address, is mlx5_en"
1031 " loaded? (errno: %s)",
1032 eth_dev->data->port_id, strerror(rte_errno));
1037 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1038 eth_dev->data->port_id,
1039 mac.addr_bytes[0], mac.addr_bytes[1],
1040 mac.addr_bytes[2], mac.addr_bytes[3],
1041 mac.addr_bytes[4], mac.addr_bytes[5]);
1042 #ifdef RTE_LIBRTE_MLX5_DEBUG
1044 char ifname[IF_NAMESIZE];
1046 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1047 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1048 eth_dev->data->port_id, ifname);
1050 DRV_LOG(DEBUG, "port %u ifname is unknown",
1051 eth_dev->data->port_id);
1054 /* Get actual MTU if possible. */
1055 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1060 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1062 /* Initialize burst functions to prevent crashes before link-up. */
1063 eth_dev->rx_pkt_burst = removed_rx_burst;
1064 eth_dev->tx_pkt_burst = removed_tx_burst;
1065 eth_dev->dev_ops = &mlx5_os_dev_ops;
1066 /* Register MAC address. */
1067 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1068 if (config.vf && config.vf_nl_en)
1069 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1070 mlx5_ifindex(eth_dev),
1071 eth_dev->data->mac_addrs,
1072 MLX5_MAX_MAC_ADDRESSES);
1074 priv->ctrl_flows = 0;
1075 TAILQ_INIT(&priv->flow_meters);
1076 TAILQ_INIT(&priv->flow_meter_profiles);
1077 /* Hint libmlx5 to use PMD allocator for data plane resources */
1078 mlx5_glue->dv_set_context_attr(sh->ctx,
1079 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1080 (void *)((uintptr_t)&(struct mlx5dv_ctx_allocators){
1081 .alloc = &mlx5_alloc_verbs_buf,
1082 .free = &mlx5_free_verbs_buf,
1085 /* Bring Ethernet device up. */
1086 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1087 eth_dev->data->port_id);
1088 mlx5_set_link_up(eth_dev);
1090 * Even though the interrupt handler is not installed yet,
1091 * interrupts will still trigger on the async_fd from
1092 * Verbs context returned by ibv_open_device().
1094 mlx5_link_update(eth_dev, 0);
1095 #ifdef HAVE_MLX5DV_DR_ESWITCH
1096 if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
1097 (switch_info->representor || switch_info->master)))
1098 config.dv_esw_en = 0;
1100 config.dv_esw_en = 0;
1102 /* Detect minimal data bytes to inline. */
1103 mlx5_set_min_inline(spawn, &config);
1104 /* Store device configuration on private structure. */
1105 priv->config = config;
1106 /* Create context for virtual machine VLAN workaround. */
1107 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1108 if (config.dv_flow_en) {
1109 err = mlx5_alloc_shared_dr(priv);
1113 * RSS id is shared with meter flow id. Meter flow id can only
1114 * use the 24 MSB of the register.
1116 priv->qrss_id_pool = mlx5_flow_id_pool_alloc(UINT32_MAX >>
1117 MLX5_MTR_COLOR_BITS);
1118 if (!priv->qrss_id_pool) {
1119 DRV_LOG(ERR, "can't create flow id pool");
1124 /* Supported Verbs flow priority number detection. */
1125 err = mlx5_flow_discover_priorities(eth_dev);
1130 priv->config.flow_prio = err;
1131 if (!priv->config.dv_esw_en &&
1132 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1133 DRV_LOG(WARNING, "metadata mode %u is not supported "
1134 "(no E-Switch)", priv->config.dv_xmeta_en);
1135 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1137 mlx5_set_metadata_mask(eth_dev);
1138 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1139 !priv->sh->dv_regc0_mask) {
1140 DRV_LOG(ERR, "metadata mode %u is not supported "
1141 "(no metadata reg_c[0] is available)",
1142 priv->config.dv_xmeta_en);
1147 * Allocate the buffer for flow creating, just once.
1148 * The allocation must be done before any flow creating.
1150 mlx5_flow_alloc_intermediate(eth_dev);
1151 /* Query availability of metadata reg_c's. */
1152 err = mlx5_flow_discover_mreg_c(eth_dev);
1157 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1159 "port %u extensive metadata register is not supported",
1160 eth_dev->data->port_id);
1161 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1162 DRV_LOG(ERR, "metadata mode %u is not supported "
1163 "(no metadata registers available)",
1164 priv->config.dv_xmeta_en);
1169 if (priv->config.dv_flow_en &&
1170 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1171 mlx5_flow_ext_mreg_supported(eth_dev) &&
1172 priv->sh->dv_regc0_mask) {
1173 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1174 MLX5_FLOW_MREG_HTABLE_SZ);
1175 if (!priv->mreg_cp_tbl) {
1183 if (priv->mreg_cp_tbl)
1184 mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
1186 mlx5_os_free_shared_dr(priv);
1187 if (priv->nl_socket_route >= 0)
1188 close(priv->nl_socket_route);
1189 if (priv->nl_socket_rdma >= 0)
1190 close(priv->nl_socket_rdma);
1191 if (priv->vmwa_context)
1192 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1193 if (priv->qrss_id_pool)
1194 mlx5_flow_id_pool_release(priv->qrss_id_pool);
1196 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1198 if (eth_dev != NULL)
1199 eth_dev->data->dev_private = NULL;
1201 if (eth_dev != NULL) {
1202 /* mac_addrs must not be freed alone because part of
1205 eth_dev->data->mac_addrs = NULL;
1206 rte_eth_dev_release_port(eth_dev);
1209 mlx5_free_shared_dev_ctx(sh);
1210 MLX5_ASSERT(err > 0);
1216 * Comparison callback to sort device data.
1218 * This is meant to be used with qsort().
1221 * Pointer to pointer to first data object.
1223 * Pointer to pointer to second data object.
1226 * 0 if both objects are equal, less than 0 if the first argument is less
1227 * than the second, greater than 0 otherwise.
1230 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1232 const struct mlx5_switch_info *si_a =
1233 &((const struct mlx5_dev_spawn_data *)a)->info;
1234 const struct mlx5_switch_info *si_b =
1235 &((const struct mlx5_dev_spawn_data *)b)->info;
1238 /* Master device first. */
1239 ret = si_b->master - si_a->master;
1242 /* Then representor devices. */
1243 ret = si_b->representor - si_a->representor;
1246 /* Unidentified devices come last in no specific order. */
1247 if (!si_a->representor)
1249 /* Order representors by name. */
1250 return si_a->port_name - si_b->port_name;
1254 * Match PCI information for possible slaves of bonding device.
1256 * @param[in] ibv_dev
1257 * Pointer to Infiniband device structure.
1258 * @param[in] pci_dev
1259 * Pointer to PCI device structure to match PCI address.
1260 * @param[in] nl_rdma
1261 * Netlink RDMA group socket handle.
1264 * negative value if no bonding device found, otherwise
1265 * positive index of slave PF in bonding.
1268 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1269 const struct rte_pci_device *pci_dev,
1272 char ifname[IF_NAMESIZE + 1];
1273 unsigned int ifindex;
1279 * Try to get master device name. If something goes
1280 * wrong suppose the lack of kernel support and no
1285 if (!strstr(ibv_dev->name, "bond"))
1287 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1291 * The Master device might not be on the predefined
1292 * port (not on port index 1, it is not garanted),
1293 * we have to scan all Infiniband device port and
1296 for (i = 1; i <= np; ++i) {
1297 /* Check whether Infiniband port is populated. */
1298 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1301 if (!if_indextoname(ifindex, ifname))
1303 /* Try to read bonding slave names from sysfs. */
1305 "/sys/class/net/%s/master/bonding/slaves", ifname);
1306 file = fopen(slaves, "r");
1312 /* Use safe format to check maximal buffer length. */
1313 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1314 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1315 char tmp_str[IF_NAMESIZE + 32];
1316 struct rte_pci_addr pci_addr;
1317 struct mlx5_switch_info info;
1319 /* Process slave interface names in the loop. */
1320 snprintf(tmp_str, sizeof(tmp_str),
1321 "/sys/class/net/%s", ifname);
1322 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1323 DRV_LOG(WARNING, "can not get PCI address"
1324 " for netdev \"%s\"", ifname);
1327 if (pci_dev->addr.domain != pci_addr.domain ||
1328 pci_dev->addr.bus != pci_addr.bus ||
1329 pci_dev->addr.devid != pci_addr.devid ||
1330 pci_dev->addr.function != pci_addr.function)
1332 /* Slave interface PCI address match found. */
1334 snprintf(tmp_str, sizeof(tmp_str),
1335 "/sys/class/net/%s/phys_port_name", ifname);
1336 file = fopen(tmp_str, "rb");
1339 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1340 if (fscanf(file, "%32s", tmp_str) == 1)
1341 mlx5_translate_port_name(tmp_str, &info);
1342 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1343 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1344 pf = info.port_name;
1353 * DPDK callback to register a PCI device.
1355 * This function spawns Ethernet devices out of a given PCI device.
1357 * @param[in] pci_drv
1358 * PCI driver structure (mlx5_driver).
1359 * @param[in] pci_dev
1360 * PCI device information.
1363 * 0 on success, a negative errno value otherwise and rte_errno is set.
1366 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1367 struct rte_pci_device *pci_dev)
1369 struct ibv_device **ibv_list;
1371 * Number of found IB Devices matching with requested PCI BDF.
1372 * nd != 1 means there are multiple IB devices over the same
1373 * PCI device and we have representors and master.
1375 unsigned int nd = 0;
1377 * Number of found IB device Ports. nd = 1 and np = 1..n means
1378 * we have the single multiport IB device, and there may be
1379 * representors attached to some of found ports.
1381 unsigned int np = 0;
1383 * Number of DPDK ethernet devices to Spawn - either over
1384 * multiple IB devices or multiple ports of single IB device.
1385 * Actually this is the number of iterations to spawn.
1387 unsigned int ns = 0;
1390 * < 0 - no bonding device (single one)
1391 * >= 0 - bonding device (value is slave PF index)
1394 struct mlx5_dev_spawn_data *list = NULL;
1395 struct mlx5_dev_config dev_config;
1398 if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
1399 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
1403 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1404 mlx5_pmd_socket_init();
1405 ret = mlx5_init_once();
1407 DRV_LOG(ERR, "unable to init PMD global data: %s",
1408 strerror(rte_errno));
1411 MLX5_ASSERT(pci_drv == &mlx5_driver);
1413 ibv_list = mlx5_glue->get_device_list(&ret);
1415 rte_errno = errno ? errno : ENOSYS;
1416 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1420 * First scan the list of all Infiniband devices to find
1421 * matching ones, gathering into the list.
1423 struct ibv_device *ibv_match[ret + 1];
1424 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1425 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1429 struct rte_pci_addr pci_addr;
1431 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1432 bd = mlx5_device_bond_pci_match
1433 (ibv_list[ret], pci_dev, nl_rdma);
1436 * Bonding device detected. Only one match is allowed,
1437 * the bonding is supported over multi-port IB device,
1438 * there should be no matches on representor PCI
1439 * functions or non VF LAG bonding devices with
1440 * specified address.
1444 "multiple PCI match on bonding device"
1445 "\"%s\" found", ibv_list[ret]->name);
1450 DRV_LOG(INFO, "PCI information matches for"
1451 " slave %d bonding device \"%s\"",
1452 bd, ibv_list[ret]->name);
1453 ibv_match[nd++] = ibv_list[ret];
1456 if (mlx5_dev_to_pci_addr
1457 (ibv_list[ret]->ibdev_path, &pci_addr))
1459 if (pci_dev->addr.domain != pci_addr.domain ||
1460 pci_dev->addr.bus != pci_addr.bus ||
1461 pci_dev->addr.devid != pci_addr.devid ||
1462 pci_dev->addr.function != pci_addr.function)
1464 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1465 ibv_list[ret]->name);
1466 ibv_match[nd++] = ibv_list[ret];
1468 ibv_match[nd] = NULL;
1470 /* No device matches, just complain and bail out. */
1472 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1473 " are kernel drivers loaded?",
1474 pci_dev->addr.domain, pci_dev->addr.bus,
1475 pci_dev->addr.devid, pci_dev->addr.function);
1482 * Found single matching device may have multiple ports.
1483 * Each port may be representor, we have to check the port
1484 * number and check the representors existence.
1487 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1489 DRV_LOG(WARNING, "can not get IB device \"%s\""
1490 " ports number", ibv_match[0]->name);
1491 if (bd >= 0 && !np) {
1492 DRV_LOG(ERR, "can not get ports"
1493 " for bonding device");
1499 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1502 * This may happen if there is VF LAG kernel support and
1503 * application is compiled with older rdma_core library.
1506 "No kernel/verbs support for VF LAG bonding found.");
1507 rte_errno = ENOTSUP;
1513 * Now we can determine the maximal
1514 * amount of devices to be spawned.
1516 list = mlx5_malloc(MLX5_MEM_ZERO,
1517 sizeof(struct mlx5_dev_spawn_data) *
1519 RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY);
1521 DRV_LOG(ERR, "spawn data array allocation failure");
1526 if (bd >= 0 || np > 1) {
1528 * Single IB device with multiple ports found,
1529 * it may be E-Switch master device and representors.
1530 * We have to perform identification through the ports.
1532 MLX5_ASSERT(nl_rdma >= 0);
1533 MLX5_ASSERT(ns == 0);
1534 MLX5_ASSERT(nd == 1);
1536 for (i = 1; i <= np; ++i) {
1537 list[ns].max_port = np;
1538 list[ns].phys_port = i;
1539 list[ns].phys_dev = ibv_match[0];
1540 list[ns].eth_dev = NULL;
1541 list[ns].pci_dev = pci_dev;
1542 list[ns].pf_bond = bd;
1543 list[ns].ifindex = mlx5_nl_ifindex
1545 mlx5_os_get_dev_device_name
1546 (list[ns].phys_dev), i);
1547 if (!list[ns].ifindex) {
1549 * No network interface index found for the
1550 * specified port, it means there is no
1551 * representor on this port. It's OK,
1552 * there can be disabled ports, for example
1553 * if sriov_numvfs < sriov_totalvfs.
1559 ret = mlx5_nl_switch_info
1563 if (ret || (!list[ns].info.representor &&
1564 !list[ns].info.master)) {
1566 * We failed to recognize representors with
1567 * Netlink, let's try to perform the task
1570 ret = mlx5_sysfs_switch_info
1574 if (!ret && bd >= 0) {
1575 switch (list[ns].info.name_type) {
1576 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1577 if (list[ns].info.port_name == bd)
1580 case MLX5_PHYS_PORT_NAME_TYPE_PFHPF:
1582 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1583 if (list[ns].info.pf_num == bd)
1591 if (!ret && (list[ns].info.representor ^
1592 list[ns].info.master))
1597 "unable to recognize master/representors"
1598 " on the IB device with multiple ports");
1605 * The existence of several matching entries (nd > 1) means
1606 * port representors have been instantiated. No existing Verbs
1607 * call nor sysfs entries can tell them apart, this can only
1608 * be done through Netlink calls assuming kernel drivers are
1609 * recent enough to support them.
1611 * In the event of identification failure through Netlink,
1612 * try again through sysfs, then:
1614 * 1. A single IB device matches (nd == 1) with single
1615 * port (np=0/1) and is not a representor, assume
1616 * no switch support.
1618 * 2. Otherwise no safe assumptions can be made;
1619 * complain louder and bail out.
1621 for (i = 0; i != nd; ++i) {
1622 memset(&list[ns].info, 0, sizeof(list[ns].info));
1623 list[ns].max_port = 1;
1624 list[ns].phys_port = 1;
1625 list[ns].phys_dev = ibv_match[i];
1626 list[ns].eth_dev = NULL;
1627 list[ns].pci_dev = pci_dev;
1628 list[ns].pf_bond = -1;
1629 list[ns].ifindex = 0;
1631 list[ns].ifindex = mlx5_nl_ifindex
1633 mlx5_os_get_dev_device_name
1634 (list[ns].phys_dev), 1);
1635 if (!list[ns].ifindex) {
1636 char ifname[IF_NAMESIZE];
1639 * Netlink failed, it may happen with old
1640 * ib_core kernel driver (before 4.16).
1641 * We can assume there is old driver because
1642 * here we are processing single ports IB
1643 * devices. Let's try sysfs to retrieve
1644 * the ifindex. The method works for
1645 * master device only.
1649 * Multiple devices found, assume
1650 * representors, can not distinguish
1651 * master/representor and retrieve
1652 * ifindex via sysfs.
1656 ret = mlx5_get_ifname_sysfs
1657 (ibv_match[i]->ibdev_path, ifname);
1660 if_nametoindex(ifname);
1661 if (!list[ns].ifindex) {
1663 * No network interface index found
1664 * for the specified device, it means
1665 * there it is neither representor
1673 ret = mlx5_nl_switch_info
1677 if (ret || (!list[ns].info.representor &&
1678 !list[ns].info.master)) {
1680 * We failed to recognize representors with
1681 * Netlink, let's try to perform the task
1684 ret = mlx5_sysfs_switch_info
1688 if (!ret && (list[ns].info.representor ^
1689 list[ns].info.master)) {
1691 } else if ((nd == 1) &&
1692 !list[ns].info.representor &&
1693 !list[ns].info.master) {
1695 * Single IB device with
1696 * one physical port and
1697 * attached network device.
1698 * May be SRIOV is not enabled
1699 * or there is no representors.
1701 DRV_LOG(INFO, "no E-Switch support detected");
1708 "unable to recognize master/representors"
1709 " on the multiple IB devices");
1717 * Sort list to probe devices in natural order for users convenience
1718 * (i.e. master first, then representors from lowest to highest ID).
1720 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
1721 /* Default configuration. */
1722 dev_config = (struct mlx5_dev_config){
1724 .mps = MLX5_ARG_UNSET,
1725 .dbnc = MLX5_ARG_UNSET,
1727 .txq_inline_max = MLX5_ARG_UNSET,
1728 .txq_inline_min = MLX5_ARG_UNSET,
1729 .txq_inline_mpw = MLX5_ARG_UNSET,
1730 .txqs_inline = MLX5_ARG_UNSET,
1732 .mr_ext_memseg_en = 1,
1734 .enabled = 0, /* Disabled by default. */
1737 .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
1738 .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
1743 .log_hp_size = MLX5_ARG_UNSET,
1745 /* Device specific configuration. */
1746 switch (pci_dev->id.device_id) {
1747 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1748 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1749 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1750 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1751 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1752 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1753 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
1759 for (i = 0; i != ns; ++i) {
1762 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1765 if (!list[i].eth_dev) {
1766 if (rte_errno != EBUSY && rte_errno != EEXIST)
1768 /* Device is disabled or already spawned. Ignore it. */
1771 restore = list[i].eth_dev->data->dev_flags;
1772 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
1773 /* Restore non-PCI flags cleared by the above call. */
1774 list[i].eth_dev->data->dev_flags |= restore;
1775 rte_eth_dev_probing_finish(list[i].eth_dev);
1779 "probe of PCI device " PCI_PRI_FMT " aborted after"
1780 " encountering an error: %s",
1781 pci_dev->addr.domain, pci_dev->addr.bus,
1782 pci_dev->addr.devid, pci_dev->addr.function,
1783 strerror(rte_errno));
1787 if (!list[i].eth_dev)
1789 mlx5_dev_close(list[i].eth_dev);
1790 /* mac_addrs must not be freed because in dev_private */
1791 list[i].eth_dev->data->mac_addrs = NULL;
1792 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
1794 /* Restore original error. */
1801 * Do the routine cleanup:
1802 * - close opened Netlink sockets
1803 * - free allocated spawn data array
1804 * - free the Infiniband device list
1812 MLX5_ASSERT(ibv_list);
1813 mlx5_glue->free_device_list(ibv_list);
1818 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
1823 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1824 /* Get environment variable to store. */
1825 env = getenv(MLX5_SHUT_UP_BF);
1826 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
1827 if (config->dbnc == MLX5_ARG_UNSET)
1828 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
1830 setenv(MLX5_SHUT_UP_BF,
1831 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
1836 mlx5_restore_doorbell_mapping_env(int value)
1838 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1839 /* Restore the original environment variable state. */
1840 if (value == MLX5_ARG_UNSET)
1841 unsetenv(MLX5_SHUT_UP_BF);
1843 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
1847 * Extract pdn of PD object using DV API.
1850 * Pointer to the verbs PD object.
1852 * Pointer to the PD object number variable.
1855 * 0 on success, error value otherwise.
1858 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1860 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1861 struct mlx5dv_obj obj;
1862 struct mlx5dv_pd pd_info;
1866 obj.pd.out = &pd_info;
1867 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
1869 DRV_LOG(DEBUG, "Fail to get PD object info");
1878 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
1882 * Function API to open IB device.
1884 * This function calls the Linux glue APIs to open a device.
1887 * Pointer to the IB device attributes (name, port, etc).
1888 * @param[out] config
1889 * Pointer to device configuration structure.
1891 * Pointer to shared context structure.
1894 * 0 on success, a positive error value otherwise.
1897 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
1898 const struct mlx5_dev_config *config,
1899 struct mlx5_dev_ctx_shared *sh)
1904 sh->numa_node = spawn->pci_dev->device.numa_node;
1905 pthread_mutex_init(&sh->txpp.mutex, NULL);
1907 * Configure environment variable "MLX5_BF_SHUT_UP"
1908 * before the device creation. The rdma_core library
1909 * checks the variable at device creation and
1910 * stores the result internally.
1912 dbmap_env = mlx5_config_doorbell_mapping_env(config);
1913 /* Try to open IB device with DV first, then usual Verbs. */
1915 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
1918 DRV_LOG(DEBUG, "DevX is supported");
1919 /* The device is created, no need for environment. */
1920 mlx5_restore_doorbell_mapping_env(dbmap_env);
1922 /* The environment variable is still configured. */
1923 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
1924 err = errno ? errno : ENODEV;
1926 * The environment variable is not needed anymore,
1927 * all device creation attempts are completed.
1929 mlx5_restore_doorbell_mapping_env(dbmap_env);
1932 DRV_LOG(DEBUG, "DevX is NOT supported");
1939 * Install shared asynchronous device events handler.
1940 * This function is implemented to support event sharing
1941 * between multiple ports of single IB device.
1944 * Pointer to mlx5_dev_ctx_shared object.
1947 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
1952 sh->intr_handle.fd = -1;
1953 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
1954 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
1955 F_SETFL, flags | O_NONBLOCK);
1957 DRV_LOG(INFO, "failed to change file descriptor async event"
1960 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
1961 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
1962 if (rte_intr_callback_register(&sh->intr_handle,
1963 mlx5_dev_interrupt_handler, sh)) {
1964 DRV_LOG(INFO, "Fail to install the shared interrupt.");
1965 sh->intr_handle.fd = -1;
1969 #ifdef HAVE_IBV_DEVX_ASYNC
1970 sh->intr_handle_devx.fd = -1;
1972 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
1973 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
1975 DRV_LOG(INFO, "failed to allocate devx_comp.");
1978 flags = fcntl(devx_comp->fd, F_GETFL);
1979 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
1981 DRV_LOG(INFO, "failed to change file descriptor"
1985 sh->intr_handle_devx.fd = devx_comp->fd;
1986 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
1987 if (rte_intr_callback_register(&sh->intr_handle_devx,
1988 mlx5_dev_interrupt_handler_devx, sh)) {
1989 DRV_LOG(INFO, "Fail to install the devx shared"
1991 sh->intr_handle_devx.fd = -1;
1993 #endif /* HAVE_IBV_DEVX_ASYNC */
1998 * Uninstall shared asynchronous device events handler.
1999 * This function is implemented to support event sharing
2000 * between multiple ports of single IB device.
2003 * Pointer to mlx5_dev_ctx_shared object.
2006 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
2008 if (sh->intr_handle.fd >= 0)
2009 mlx5_intr_callback_unregister(&sh->intr_handle,
2010 mlx5_dev_interrupt_handler, sh);
2011 #ifdef HAVE_IBV_DEVX_ASYNC
2012 if (sh->intr_handle_devx.fd >= 0)
2013 rte_intr_callback_unregister(&sh->intr_handle_devx,
2014 mlx5_dev_interrupt_handler_devx, sh);
2016 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
2021 * Read statistics by a named counter.
2024 * Pointer to the private device data structure.
2025 * @param[in] ctr_name
2026 * Pointer to the name of the statistic counter to read
2028 * Pointer to read statistic value.
2030 * 0 on success and stat is valud, 1 if failed to read the value
2035 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2041 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2042 priv->sh->ibdev_path,
2045 fd = open(path, O_RDONLY);
2047 char buf[21] = {'\0'};
2048 ssize_t n = read(fd, buf, sizeof(buf));
2052 *stat = strtoull(buf, NULL, 10);
2062 * Read device counters table.
2065 * Pointer to Ethernet device.
2067 * Counters table output buffer.
2070 * 0 on success and stats is filled, negative errno value otherwise and
2074 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
2076 struct mlx5_priv *priv = dev->data->dev_private;
2077 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2080 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
2081 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
2082 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
2085 et_stats->cmd = ETHTOOL_GSTATS;
2086 et_stats->n_stats = xstats_ctrl->stats_n;
2087 ifr.ifr_data = (caddr_t)et_stats;
2088 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2091 "port %u unable to read statistic values from device",
2092 dev->data->port_id);
2095 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
2096 if (xstats_ctrl->info[i].dev) {
2097 ret = mlx5_os_read_dev_stat(priv,
2098 xstats_ctrl->info[i].ctr_name,
2100 /* return last xstats counter if fail to read. */
2102 xstats_ctrl->xstats[i] = stats[i];
2104 stats[i] = xstats_ctrl->xstats[i];
2106 stats[i] = (uint64_t)
2107 et_stats->data[xstats_ctrl->dev_table_idx[i]];
2114 * Query the number of statistics provided by ETHTOOL.
2117 * Pointer to Ethernet device.
2120 * Number of statistics on success, negative errno value otherwise and
2124 mlx5_os_get_stats_n(struct rte_eth_dev *dev)
2126 struct ethtool_drvinfo drvinfo;
2130 drvinfo.cmd = ETHTOOL_GDRVINFO;
2131 ifr.ifr_data = (caddr_t)&drvinfo;
2132 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2134 DRV_LOG(WARNING, "port %u unable to query number of statistics",
2135 dev->data->port_id);
2138 return drvinfo.n_stats;
2141 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
2143 .dpdk_name = "rx_port_unicast_bytes",
2144 .ctr_name = "rx_vport_unicast_bytes",
2147 .dpdk_name = "rx_port_multicast_bytes",
2148 .ctr_name = "rx_vport_multicast_bytes",
2151 .dpdk_name = "rx_port_broadcast_bytes",
2152 .ctr_name = "rx_vport_broadcast_bytes",
2155 .dpdk_name = "rx_port_unicast_packets",
2156 .ctr_name = "rx_vport_unicast_packets",
2159 .dpdk_name = "rx_port_multicast_packets",
2160 .ctr_name = "rx_vport_multicast_packets",
2163 .dpdk_name = "rx_port_broadcast_packets",
2164 .ctr_name = "rx_vport_broadcast_packets",
2167 .dpdk_name = "tx_port_unicast_bytes",
2168 .ctr_name = "tx_vport_unicast_bytes",
2171 .dpdk_name = "tx_port_multicast_bytes",
2172 .ctr_name = "tx_vport_multicast_bytes",
2175 .dpdk_name = "tx_port_broadcast_bytes",
2176 .ctr_name = "tx_vport_broadcast_bytes",
2179 .dpdk_name = "tx_port_unicast_packets",
2180 .ctr_name = "tx_vport_unicast_packets",
2183 .dpdk_name = "tx_port_multicast_packets",
2184 .ctr_name = "tx_vport_multicast_packets",
2187 .dpdk_name = "tx_port_broadcast_packets",
2188 .ctr_name = "tx_vport_broadcast_packets",
2191 .dpdk_name = "rx_wqe_err",
2192 .ctr_name = "rx_wqe_err",
2195 .dpdk_name = "rx_crc_errors_phy",
2196 .ctr_name = "rx_crc_errors_phy",
2199 .dpdk_name = "rx_in_range_len_errors_phy",
2200 .ctr_name = "rx_in_range_len_errors_phy",
2203 .dpdk_name = "rx_symbol_err_phy",
2204 .ctr_name = "rx_symbol_err_phy",
2207 .dpdk_name = "tx_errors_phy",
2208 .ctr_name = "tx_errors_phy",
2211 .dpdk_name = "rx_out_of_buffer",
2212 .ctr_name = "out_of_buffer",
2216 .dpdk_name = "tx_packets_phy",
2217 .ctr_name = "tx_packets_phy",
2220 .dpdk_name = "rx_packets_phy",
2221 .ctr_name = "rx_packets_phy",
2224 .dpdk_name = "tx_discards_phy",
2225 .ctr_name = "tx_discards_phy",
2228 .dpdk_name = "rx_discards_phy",
2229 .ctr_name = "rx_discards_phy",
2232 .dpdk_name = "tx_bytes_phy",
2233 .ctr_name = "tx_bytes_phy",
2236 .dpdk_name = "rx_bytes_phy",
2237 .ctr_name = "rx_bytes_phy",
2239 /* Representor only */
2241 .dpdk_name = "rx_packets",
2242 .ctr_name = "vport_rx_packets",
2245 .dpdk_name = "rx_bytes",
2246 .ctr_name = "vport_rx_bytes",
2249 .dpdk_name = "tx_packets",
2250 .ctr_name = "vport_tx_packets",
2253 .dpdk_name = "tx_bytes",
2254 .ctr_name = "vport_tx_bytes",
2258 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
2261 * Init the structures to read device counters.
2264 * Pointer to Ethernet device.
2267 mlx5_os_stats_init(struct rte_eth_dev *dev)
2269 struct mlx5_priv *priv = dev->data->dev_private;
2270 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2271 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
2275 struct ethtool_gstrings *strings = NULL;
2276 unsigned int dev_stats_n;
2277 unsigned int str_sz;
2280 /* So that it won't aggregate for each init. */
2281 xstats_ctrl->mlx5_stats_n = 0;
2282 ret = mlx5_os_get_stats_n(dev);
2284 DRV_LOG(WARNING, "port %u no extended statistics available",
2285 dev->data->port_id);
2289 /* Allocate memory to grab stat names and values. */
2290 str_sz = dev_stats_n * ETH_GSTRING_LEN;
2291 strings = (struct ethtool_gstrings *)
2292 mlx5_malloc(0, str_sz + sizeof(struct ethtool_gstrings), 0,
2295 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
2296 dev->data->port_id);
2299 strings->cmd = ETHTOOL_GSTRINGS;
2300 strings->string_set = ETH_SS_STATS;
2301 strings->len = dev_stats_n;
2302 ifr.ifr_data = (caddr_t)strings;
2303 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2305 DRV_LOG(WARNING, "port %u unable to get statistic names",
2306 dev->data->port_id);
2309 for (i = 0; i != dev_stats_n; ++i) {
2310 const char *curr_string = (const char *)
2311 &strings->data[i * ETH_GSTRING_LEN];
2313 for (j = 0; j != xstats_n; ++j) {
2314 if (!strcmp(mlx5_counters_init[j].ctr_name,
2316 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2318 xstats_ctrl->dev_table_idx[idx] = i;
2319 xstats_ctrl->info[idx] = mlx5_counters_init[j];
2324 /* Add dev counters. */
2325 for (i = 0; i != xstats_n; ++i) {
2326 if (mlx5_counters_init[i].dev) {
2327 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2329 xstats_ctrl->info[idx] = mlx5_counters_init[i];
2330 xstats_ctrl->hw_stats[idx] = 0;
2333 MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
2334 xstats_ctrl->stats_n = dev_stats_n;
2335 /* Copy to base at first time. */
2336 ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
2338 DRV_LOG(ERR, "port %u cannot read device counters: %s",
2339 dev->data->port_id, strerror(rte_errno));
2340 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
2341 stats_ctrl->imissed = 0;
2347 * Set the reg_mr and dereg_mr call backs
2349 * @param reg_mr_cb[out]
2350 * Pointer to reg_mr func
2351 * @param dereg_mr_cb[out]
2352 * Pointer to dereg_mr func
2356 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2357 mlx5_dereg_mr_t *dereg_mr_cb)
2359 *reg_mr_cb = mlx5_verbs_ops.reg_mr;
2360 *dereg_mr_cb = mlx5_verbs_ops.dereg_mr;
2363 const struct eth_dev_ops mlx5_os_dev_ops = {
2364 .dev_configure = mlx5_dev_configure,
2365 .dev_start = mlx5_dev_start,
2366 .dev_stop = mlx5_dev_stop,
2367 .dev_set_link_down = mlx5_set_link_down,
2368 .dev_set_link_up = mlx5_set_link_up,
2369 .dev_close = mlx5_dev_close,
2370 .promiscuous_enable = mlx5_promiscuous_enable,
2371 .promiscuous_disable = mlx5_promiscuous_disable,
2372 .allmulticast_enable = mlx5_allmulticast_enable,
2373 .allmulticast_disable = mlx5_allmulticast_disable,
2374 .link_update = mlx5_link_update,
2375 .stats_get = mlx5_stats_get,
2376 .stats_reset = mlx5_stats_reset,
2377 .xstats_get = mlx5_xstats_get,
2378 .xstats_reset = mlx5_xstats_reset,
2379 .xstats_get_names = mlx5_xstats_get_names,
2380 .fw_version_get = mlx5_fw_version_get,
2381 .dev_infos_get = mlx5_dev_infos_get,
2382 .read_clock = mlx5_txpp_read_clock,
2383 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2384 .vlan_filter_set = mlx5_vlan_filter_set,
2385 .rx_queue_setup = mlx5_rx_queue_setup,
2386 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2387 .tx_queue_setup = mlx5_tx_queue_setup,
2388 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2389 .rx_queue_release = mlx5_rx_queue_release,
2390 .tx_queue_release = mlx5_tx_queue_release,
2391 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2392 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2393 .mac_addr_remove = mlx5_mac_addr_remove,
2394 .mac_addr_add = mlx5_mac_addr_add,
2395 .mac_addr_set = mlx5_mac_addr_set,
2396 .set_mc_addr_list = mlx5_set_mc_addr_list,
2397 .mtu_set = mlx5_dev_set_mtu,
2398 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2399 .vlan_offload_set = mlx5_vlan_offload_set,
2400 .reta_update = mlx5_dev_rss_reta_update,
2401 .reta_query = mlx5_dev_rss_reta_query,
2402 .rss_hash_update = mlx5_rss_hash_update,
2403 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2404 .filter_ctrl = mlx5_dev_filter_ctrl,
2405 .rx_descriptor_status = mlx5_rx_descriptor_status,
2406 .tx_descriptor_status = mlx5_tx_descriptor_status,
2407 .rxq_info_get = mlx5_rxq_info_get,
2408 .txq_info_get = mlx5_txq_info_get,
2409 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2410 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2411 .rx_queue_count = mlx5_rx_queue_count,
2412 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2413 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2414 .is_removed = mlx5_is_removed,
2415 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2416 .get_module_info = mlx5_get_module_info,
2417 .get_module_eeprom = mlx5_get_module_eeprom,
2418 .hairpin_cap_get = mlx5_hairpin_cap_get,
2419 .mtr_ops_get = mlx5_flow_meter_ops_get,
2422 /* Available operations from secondary process. */
2423 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2424 .stats_get = mlx5_stats_get,
2425 .stats_reset = mlx5_stats_reset,
2426 .xstats_get = mlx5_xstats_get,
2427 .xstats_reset = mlx5_xstats_reset,
2428 .xstats_get_names = mlx5_xstats_get_names,
2429 .fw_version_get = mlx5_fw_version_get,
2430 .dev_infos_get = mlx5_dev_infos_get,
2431 .read_clock = mlx5_txpp_read_clock,
2432 .rx_descriptor_status = mlx5_rx_descriptor_status,
2433 .tx_descriptor_status = mlx5_tx_descriptor_status,
2434 .rxq_info_get = mlx5_rxq_info_get,
2435 .txq_info_get = mlx5_txq_info_get,
2436 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2437 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2438 .get_module_info = mlx5_get_module_info,
2439 .get_module_eeprom = mlx5_get_module_eeprom,
2442 /* Available operations in flow isolated mode. */
2443 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2444 .dev_configure = mlx5_dev_configure,
2445 .dev_start = mlx5_dev_start,
2446 .dev_stop = mlx5_dev_stop,
2447 .dev_set_link_down = mlx5_set_link_down,
2448 .dev_set_link_up = mlx5_set_link_up,
2449 .dev_close = mlx5_dev_close,
2450 .promiscuous_enable = mlx5_promiscuous_enable,
2451 .promiscuous_disable = mlx5_promiscuous_disable,
2452 .allmulticast_enable = mlx5_allmulticast_enable,
2453 .allmulticast_disable = mlx5_allmulticast_disable,
2454 .link_update = mlx5_link_update,
2455 .stats_get = mlx5_stats_get,
2456 .stats_reset = mlx5_stats_reset,
2457 .xstats_get = mlx5_xstats_get,
2458 .xstats_reset = mlx5_xstats_reset,
2459 .xstats_get_names = mlx5_xstats_get_names,
2460 .fw_version_get = mlx5_fw_version_get,
2461 .dev_infos_get = mlx5_dev_infos_get,
2462 .read_clock = mlx5_txpp_read_clock,
2463 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2464 .vlan_filter_set = mlx5_vlan_filter_set,
2465 .rx_queue_setup = mlx5_rx_queue_setup,
2466 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2467 .tx_queue_setup = mlx5_tx_queue_setup,
2468 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2469 .rx_queue_release = mlx5_rx_queue_release,
2470 .tx_queue_release = mlx5_tx_queue_release,
2471 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2472 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2473 .mac_addr_remove = mlx5_mac_addr_remove,
2474 .mac_addr_add = mlx5_mac_addr_add,
2475 .mac_addr_set = mlx5_mac_addr_set,
2476 .set_mc_addr_list = mlx5_set_mc_addr_list,
2477 .mtu_set = mlx5_dev_set_mtu,
2478 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2479 .vlan_offload_set = mlx5_vlan_offload_set,
2480 .filter_ctrl = mlx5_dev_filter_ctrl,
2481 .rx_descriptor_status = mlx5_rx_descriptor_status,
2482 .tx_descriptor_status = mlx5_tx_descriptor_status,
2483 .rxq_info_get = mlx5_rxq_info_get,
2484 .txq_info_get = mlx5_txq_info_get,
2485 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2486 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2487 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2488 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2489 .is_removed = mlx5_is_removed,
2490 .get_module_info = mlx5_get_module_info,
2491 .get_module_eeprom = mlx5_get_module_eeprom,
2492 .hairpin_cap_get = mlx5_hairpin_cap_get,
2493 .mtr_ops_get = mlx5_flow_meter_ops_get,