1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2015 6WIND S.A.
3 * Copyright 2020 Mellanox Technologies, Ltd
14 #include <linux/rtnetlink.h>
15 #include <linux/sockios.h>
16 #include <linux/ethtool.h>
20 /* ISO C doesn't support unnamed structs/unions, disabling -pedantic. */
22 #pragma GCC diagnostic ignored "-Wpedantic"
24 #include <infiniband/verbs.h>
26 #pragma GCC diagnostic error "-Wpedantic"
29 #include <rte_malloc.h>
30 #include <rte_ethdev_driver.h>
31 #include <rte_ethdev_pci.h>
33 #include <rte_bus_pci.h>
34 #include <rte_common.h>
35 #include <rte_kvargs.h>
36 #include <rte_rwlock.h>
37 #include <rte_spinlock.h>
38 #include <rte_string_fns.h>
39 #include <rte_alarm.h>
41 #include <mlx5_glue.h>
42 #include <mlx5_devx_cmds.h>
43 #include <mlx5_common.h>
44 #include <mlx5_common_mp.h>
45 #include <mlx5_common_mr.h>
47 #include "mlx5_defs.h"
49 #include "mlx5_utils.h"
50 #include "mlx5_rxtx.h"
51 #include "mlx5_autoconf.h"
53 #include "mlx5_flow.h"
54 #include "rte_pmd_mlx5.h"
55 #include "mlx5_verbs.h"
57 #define MLX5_TAGS_HLIST_ARRAY_SIZE 8192
59 #ifndef HAVE_IBV_MLX5_MOD_MPW
60 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
61 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
64 #ifndef HAVE_IBV_MLX5_MOD_CQE_128B_COMP
65 #define MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP (1 << 4)
69 * Get device name. Given an ibv_device pointer - return a
70 * pointer to the corresponding device name.
73 * Pointer to ibv device.
76 * Pointer to device name if dev is valid, NULL otherwise.
79 mlx5_os_get_dev_device_name(void *dev)
83 return ((struct ibv_device *)dev)->name;
87 * Get ibv device name. Given an ibv_context pointer - return a
88 * pointer to the corresponding device name.
91 * Pointer to ibv context.
94 * Pointer to device name if ctx is valid, NULL otherwise.
97 mlx5_os_get_ctx_device_name(void *ctx)
101 return ((struct ibv_context *)ctx)->device->name;
105 * Get ibv device path name. Given an ibv_context pointer - return a
106 * pointer to the corresponding device path name.
109 * Pointer to ibv context.
112 * Pointer to device path name if ctx is valid, NULL otherwise.
115 mlx5_os_get_ctx_device_path(void *ctx)
120 return ((struct ibv_context *)ctx)->device->ibdev_path;
124 * Get umem id. Given a pointer to umem object of type
125 * 'struct mlx5dv_devx_umem *' - return its id.
128 * Pointer to umem object.
131 * The umem id if umem is valid, 0 otherwise.
134 mlx5_os_get_umem_id(void *umem)
138 return ((struct mlx5dv_devx_umem *)umem)->umem_id;
142 * Get mlx5 device attributes. The glue function query_device_ex() is called
143 * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
144 * device attributes from the glue out parameter.
147 * Pointer to ibv context.
150 * Pointer to mlx5 device attributes.
153 * 0 on success, non zero error number otherwise
156 mlx5_os_get_dev_attr(void *ctx, struct mlx5_dev_attr *device_attr)
159 struct ibv_device_attr_ex attr_ex;
160 memset(device_attr, 0, sizeof(*device_attr));
161 err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
165 device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
166 device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
167 device_attr->max_sge = attr_ex.orig_attr.max_sge;
168 device_attr->max_cq = attr_ex.orig_attr.max_cq;
169 device_attr->max_qp = attr_ex.orig_attr.max_qp;
170 device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
171 device_attr->max_rwq_indirection_table_size =
172 attr_ex.rss_caps.max_rwq_indirection_table_size;
173 device_attr->max_tso = attr_ex.tso_caps.max_tso;
174 device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
176 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
177 err = mlx5_glue->dv_query_device(ctx, &dv_attr);
181 device_attr->flags = dv_attr.flags;
182 device_attr->comp_mask = dv_attr.comp_mask;
183 #ifdef HAVE_IBV_MLX5_MOD_SWP
184 device_attr->sw_parsing_offloads =
185 dv_attr.sw_parsing_caps.sw_parsing_offloads;
187 device_attr->min_single_stride_log_num_of_bytes =
188 dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
189 device_attr->max_single_stride_log_num_of_bytes =
190 dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
191 device_attr->min_single_wqe_log_num_of_strides =
192 dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
193 device_attr->max_single_wqe_log_num_of_strides =
194 dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
195 device_attr->stride_supported_qpts =
196 dv_attr.striding_rq_caps.supported_qpts;
197 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
198 device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
205 * Verbs callback to allocate a memory. This function should allocate the space
206 * according to the size provided residing inside a huge page.
207 * Please note that all allocation must respect the alignment from libmlx5
208 * (i.e. currently sysconf(_SC_PAGESIZE)).
211 * The size in bytes of the memory to allocate.
213 * A pointer to the callback data.
216 * Allocated buffer, NULL otherwise and rte_errno is set.
219 mlx5_alloc_verbs_buf(size_t size, void *data)
221 struct mlx5_priv *priv = data;
223 size_t alignment = sysconf(_SC_PAGESIZE);
224 unsigned int socket = SOCKET_ID_ANY;
226 if (priv->verbs_alloc_ctx.type == MLX5_VERBS_ALLOC_TYPE_TX_QUEUE) {
227 const struct mlx5_txq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
229 socket = ctrl->socket;
230 } else if (priv->verbs_alloc_ctx.type ==
231 MLX5_VERBS_ALLOC_TYPE_RX_QUEUE) {
232 const struct mlx5_rxq_ctrl *ctrl = priv->verbs_alloc_ctx.obj;
234 socket = ctrl->socket;
236 MLX5_ASSERT(data != NULL);
237 ret = rte_malloc_socket(__func__, size, alignment, socket);
244 * Verbs callback to free a memory.
247 * A pointer to the memory to free.
249 * A pointer to the callback data.
252 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
254 MLX5_ASSERT(data != NULL);
259 * Initialize DR related data within private structure.
260 * Routine checks the reference counter and does actual
261 * resources creation/initialization only if counter is zero.
264 * Pointer to the private device data structure.
267 * Zero on success, positive error code otherwise.
270 mlx5_alloc_shared_dr(struct mlx5_priv *priv)
272 struct mlx5_dev_ctx_shared *sh = priv->sh;
273 char s[MLX5_HLIST_NAMESIZE];
277 err = mlx5_alloc_table_hash_list(priv);
279 DRV_LOG(DEBUG, "sh->flow_tbls[%p] already created, reuse\n",
280 (void *)sh->flow_tbls);
283 /* Create tags hash list table. */
284 snprintf(s, sizeof(s), "%s_tags", sh->ibdev_name);
285 sh->tag_table = mlx5_hlist_create(s, MLX5_TAGS_HLIST_ARRAY_SIZE);
286 if (!sh->tag_table) {
287 DRV_LOG(ERR, "tags with hash creation failed.\n");
291 #ifdef HAVE_MLX5DV_DR
295 /* Shared DV/DR structures is already initialized. */
300 /* Reference counter is zero, we should initialize structures. */
301 domain = mlx5_glue->dr_create_domain(sh->ctx,
302 MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
304 DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
308 sh->rx_domain = domain;
309 domain = mlx5_glue->dr_create_domain(sh->ctx,
310 MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
312 DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
316 pthread_mutex_init(&sh->dv_mutex, NULL);
317 sh->tx_domain = domain;
318 #ifdef HAVE_MLX5DV_DR_ESWITCH
319 if (priv->config.dv_esw_en) {
320 domain = mlx5_glue->dr_create_domain
321 (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
323 DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
327 sh->fdb_domain = domain;
328 sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
331 if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
332 mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
333 mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
335 mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
337 sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
338 #endif /* HAVE_MLX5DV_DR */
343 /* Rollback the created objects. */
345 mlx5_glue->dr_destroy_domain(sh->rx_domain);
346 sh->rx_domain = NULL;
349 mlx5_glue->dr_destroy_domain(sh->tx_domain);
350 sh->tx_domain = NULL;
352 if (sh->fdb_domain) {
353 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
354 sh->fdb_domain = NULL;
356 if (sh->esw_drop_action) {
357 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
358 sh->esw_drop_action = NULL;
360 if (sh->pop_vlan_action) {
361 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
362 sh->pop_vlan_action = NULL;
365 /* tags should be destroyed with flow before. */
366 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
367 sh->tag_table = NULL;
369 mlx5_free_table_hash_list(priv);
374 * Destroy DR related data within private structure.
377 * Pointer to the private device data structure.
380 mlx5_os_free_shared_dr(struct mlx5_priv *priv)
382 struct mlx5_dev_ctx_shared *sh;
384 if (!priv->dr_shared)
389 #ifdef HAVE_MLX5DV_DR
390 MLX5_ASSERT(sh->dv_refcnt);
391 if (sh->dv_refcnt && --sh->dv_refcnt)
394 mlx5_glue->dr_destroy_domain(sh->rx_domain);
395 sh->rx_domain = NULL;
398 mlx5_glue->dr_destroy_domain(sh->tx_domain);
399 sh->tx_domain = NULL;
401 #ifdef HAVE_MLX5DV_DR_ESWITCH
402 if (sh->fdb_domain) {
403 mlx5_glue->dr_destroy_domain(sh->fdb_domain);
404 sh->fdb_domain = NULL;
406 if (sh->esw_drop_action) {
407 mlx5_glue->destroy_flow_action(sh->esw_drop_action);
408 sh->esw_drop_action = NULL;
411 if (sh->pop_vlan_action) {
412 mlx5_glue->destroy_flow_action(sh->pop_vlan_action);
413 sh->pop_vlan_action = NULL;
415 pthread_mutex_destroy(&sh->dv_mutex);
416 #endif /* HAVE_MLX5DV_DR */
418 /* tags should be destroyed with flow before. */
419 mlx5_hlist_destroy(sh->tag_table, NULL, NULL);
420 sh->tag_table = NULL;
422 mlx5_free_table_hash_list(priv);
426 * Spawn an Ethernet device from Verbs information.
429 * Backing DPDK device.
431 * Verbs device parameters (name, port, switch_info) to spawn.
433 * Device configuration parameters.
436 * A valid Ethernet device object on success, NULL otherwise and rte_errno
437 * is set. The following errors are defined:
439 * EBUSY: device is not supposed to be spawned.
440 * EEXIST: device is already spawned
442 static struct rte_eth_dev *
443 mlx5_dev_spawn(struct rte_device *dpdk_dev,
444 struct mlx5_dev_spawn_data *spawn,
445 struct mlx5_dev_config config)
447 const struct mlx5_switch_info *switch_info = &spawn->info;
448 struct mlx5_dev_ctx_shared *sh = NULL;
449 struct ibv_port_attr port_attr;
450 struct mlx5dv_context dv_attr = { .comp_mask = 0 };
451 struct rte_eth_dev *eth_dev = NULL;
452 struct mlx5_priv *priv = NULL;
454 unsigned int hw_padding = 0;
456 unsigned int cqe_comp;
457 unsigned int cqe_pad = 0;
458 unsigned int tunnel_en = 0;
459 unsigned int mpls_en = 0;
460 unsigned int swp = 0;
461 unsigned int mprq = 0;
462 unsigned int mprq_min_stride_size_n = 0;
463 unsigned int mprq_max_stride_size_n = 0;
464 unsigned int mprq_min_stride_num_n = 0;
465 unsigned int mprq_max_stride_num_n = 0;
466 struct rte_ether_addr mac;
467 char name[RTE_ETH_NAME_MAX_LEN];
468 int own_domain_id = 0;
471 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
472 struct mlx5dv_devx_port devx_port = { .comp_mask = 0 };
475 /* Determine if this port representor is supposed to be spawned. */
476 if (switch_info->representor && dpdk_dev->devargs) {
477 struct rte_eth_devargs eth_da;
479 err = rte_eth_devargs_parse(dpdk_dev->devargs->args, ð_da);
482 DRV_LOG(ERR, "failed to process device arguments: %s",
483 strerror(rte_errno));
486 for (i = 0; i < eth_da.nb_representor_ports; ++i)
487 if (eth_da.representor_ports[i] ==
488 (uint16_t)switch_info->port_name)
490 if (i == eth_da.nb_representor_ports) {
495 /* Build device name. */
496 if (spawn->pf_bond < 0) {
498 if (!switch_info->representor)
499 strlcpy(name, dpdk_dev->name, sizeof(name));
501 snprintf(name, sizeof(name), "%s_representor_%u",
502 dpdk_dev->name, switch_info->port_name);
504 /* Bonding device. */
505 if (!switch_info->representor)
506 snprintf(name, sizeof(name), "%s_%s",
508 mlx5_os_get_dev_device_name(spawn->phys_dev));
510 snprintf(name, sizeof(name), "%s_%s_representor_%u",
512 mlx5_os_get_dev_device_name(spawn->phys_dev),
513 switch_info->port_name);
515 /* check if the device is already spawned */
516 if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
520 DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
521 if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
522 struct mlx5_mp_id mp_id;
524 eth_dev = rte_eth_dev_attach_secondary(name);
525 if (eth_dev == NULL) {
526 DRV_LOG(ERR, "can not attach rte ethdev");
530 eth_dev->device = dpdk_dev;
531 eth_dev->dev_ops = &mlx5_os_dev_sec_ops;
532 err = mlx5_proc_priv_init(eth_dev);
535 mp_id.port_id = eth_dev->data->port_id;
536 strlcpy(mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
537 /* Receive command fd from primary process */
538 err = mlx5_mp_req_verbs_cmd_fd(&mp_id);
541 /* Remap UAR for Tx queues. */
542 err = mlx5_tx_uar_init_secondary(eth_dev, err);
546 * Ethdev pointer is still required as input since
547 * the primary device is not accessible from the
550 eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
551 eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
554 mlx5_dev_close(eth_dev);
558 * Some parameters ("tx_db_nc" in particularly) are needed in
559 * advance to create dv/verbs device context. We proceed the
560 * devargs here to get ones, and later proceed devargs again
561 * to override some hardware settings.
563 err = mlx5_args(&config, dpdk_dev->devargs);
566 DRV_LOG(ERR, "failed to process device arguments: %s",
567 strerror(rte_errno));
570 sh = mlx5_alloc_shared_dev_ctx(spawn, &config);
573 config.devx = sh->devx;
574 #ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
577 #ifdef HAVE_IBV_MLX5_MOD_SWP
578 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
581 * Multi-packet send is supported by ConnectX-4 Lx PF as well
582 * as all ConnectX-5 devices.
584 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
585 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
587 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
588 dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
590 mlx5_glue->dv_query_device(sh->ctx, &dv_attr);
591 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
592 if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
593 DRV_LOG(DEBUG, "enhanced MPW is supported");
594 mps = MLX5_MPW_ENHANCED;
596 DRV_LOG(DEBUG, "MPW is supported");
600 DRV_LOG(DEBUG, "MPW isn't supported");
601 mps = MLX5_MPW_DISABLED;
603 #ifdef HAVE_IBV_MLX5_MOD_SWP
604 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
605 swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
606 DRV_LOG(DEBUG, "SWP support: %u", swp);
609 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
610 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
611 struct mlx5dv_striding_rq_caps mprq_caps =
612 dv_attr.striding_rq_caps;
614 DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
615 mprq_caps.min_single_stride_log_num_of_bytes);
616 DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
617 mprq_caps.max_single_stride_log_num_of_bytes);
618 DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
619 mprq_caps.min_single_wqe_log_num_of_strides);
620 DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
621 mprq_caps.max_single_wqe_log_num_of_strides);
622 DRV_LOG(DEBUG, "\tsupported_qpts: %d",
623 mprq_caps.supported_qpts);
624 DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
626 mprq_min_stride_size_n =
627 mprq_caps.min_single_stride_log_num_of_bytes;
628 mprq_max_stride_size_n =
629 mprq_caps.max_single_stride_log_num_of_bytes;
630 mprq_min_stride_num_n =
631 mprq_caps.min_single_wqe_log_num_of_strides;
632 mprq_max_stride_num_n =
633 mprq_caps.max_single_wqe_log_num_of_strides;
636 if (RTE_CACHE_LINE_SIZE == 128 &&
637 !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP))
641 config.cqe_comp = cqe_comp;
642 #ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
643 /* Whether device supports 128B Rx CQE padding. */
644 cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
645 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
647 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
648 if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
649 tunnel_en = ((dv_attr.tunnel_offloads_caps &
650 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN) &&
651 (dv_attr.tunnel_offloads_caps &
652 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE) &&
653 (dv_attr.tunnel_offloads_caps &
654 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE));
656 DRV_LOG(DEBUG, "tunnel offloading is %ssupported",
657 tunnel_en ? "" : "not ");
660 "tunnel offloading disabled due to old OFED/rdma-core version");
662 config.tunnel_en = tunnel_en;
663 #ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
664 mpls_en = ((dv_attr.tunnel_offloads_caps &
665 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
666 (dv_attr.tunnel_offloads_caps &
667 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
668 DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
669 mpls_en ? "" : "not ");
671 DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
672 " old OFED/rdma-core version or firmware configuration");
674 config.mpls_en = mpls_en;
675 /* Check port status. */
676 err = mlx5_glue->query_port(sh->ctx, spawn->phys_port, &port_attr);
678 DRV_LOG(ERR, "port query failed: %s", strerror(err));
681 if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
682 DRV_LOG(ERR, "port is not configured in Ethernet mode");
686 if (port_attr.state != IBV_PORT_ACTIVE)
687 DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
688 mlx5_glue->port_state_str(port_attr.state),
690 /* Allocate private eth device data. */
691 priv = rte_zmalloc("ethdev private structure",
693 RTE_CACHE_LINE_SIZE);
695 DRV_LOG(ERR, "priv allocation failure");
700 priv->dev_port = spawn->phys_port;
701 priv->pci_dev = spawn->pci_dev;
702 priv->mtu = RTE_ETHER_MTU;
703 priv->mp_id.port_id = port_id;
704 strlcpy(priv->mp_id.name, MLX5_MP_NAME, RTE_MP_MAX_NAME_LEN);
706 /* Initialize UAR access locks for 32bit implementations. */
707 rte_spinlock_init(&priv->uar_lock_cq);
708 for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
709 rte_spinlock_init(&priv->uar_lock[i]);
711 /* Some internal functions rely on Netlink sockets, open them now. */
712 priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
713 priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
714 priv->representor = !!switch_info->representor;
715 priv->master = !!switch_info->master;
716 priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
717 priv->vport_meta_tag = 0;
718 priv->vport_meta_mask = 0;
719 priv->pf_bond = spawn->pf_bond;
720 #ifdef HAVE_MLX5DV_DR_DEVX_PORT
722 * The DevX port query API is implemented. E-Switch may use
723 * either vport or reg_c[0] metadata register to match on
724 * vport index. The engaged part of metadata register is
727 if (switch_info->representor || switch_info->master) {
728 devx_port.comp_mask = MLX5DV_DEVX_PORT_VPORT |
729 MLX5DV_DEVX_PORT_MATCH_REG_C_0;
730 err = mlx5_glue->devx_port_query(sh->ctx, spawn->phys_port,
734 "can't query devx port %d on device %s",
736 mlx5_os_get_dev_device_name(spawn->phys_dev));
737 devx_port.comp_mask = 0;
740 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_MATCH_REG_C_0) {
741 priv->vport_meta_tag = devx_port.reg_c_0.value;
742 priv->vport_meta_mask = devx_port.reg_c_0.mask;
743 if (!priv->vport_meta_mask) {
744 DRV_LOG(ERR, "vport zero mask for port %d"
745 " on bonding device %s",
747 mlx5_os_get_dev_device_name
752 if (priv->vport_meta_tag & ~priv->vport_meta_mask) {
753 DRV_LOG(ERR, "invalid vport tag for port %d"
754 " on bonding device %s",
756 mlx5_os_get_dev_device_name
762 if (devx_port.comp_mask & MLX5DV_DEVX_PORT_VPORT) {
763 priv->vport_id = devx_port.vport_num;
764 } else if (spawn->pf_bond >= 0) {
765 DRV_LOG(ERR, "can't deduce vport index for port %d"
766 " on bonding device %s",
768 mlx5_os_get_dev_device_name(spawn->phys_dev));
772 /* Suppose vport index in compatible way. */
773 priv->vport_id = switch_info->representor ?
774 switch_info->port_name + 1 : -1;
778 * Kernel/rdma_core support single E-Switch per PF configurations
779 * only and vport_id field contains the vport index for
780 * associated VF, which is deduced from representor port name.
781 * For example, let's have the IB device port 10, it has
782 * attached network device eth0, which has port name attribute
783 * pf0vf2, we can deduce the VF number as 2, and set vport index
784 * as 3 (2+1). This assigning schema should be changed if the
785 * multiple E-Switch instances per PF configurations or/and PCI
786 * subfunctions are added.
788 priv->vport_id = switch_info->representor ?
789 switch_info->port_name + 1 : -1;
791 /* representor_id field keeps the unmodified VF index. */
792 priv->representor_id = switch_info->representor ?
793 switch_info->port_name : -1;
795 * Look for sibling devices in order to reuse their switch domain
796 * if any, otherwise allocate one.
798 MLX5_ETH_FOREACH_DEV(port_id, priv->pci_dev) {
799 const struct mlx5_priv *opriv =
800 rte_eth_devices[port_id].data->dev_private;
803 opriv->sh != priv->sh ||
805 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
807 priv->domain_id = opriv->domain_id;
810 if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
811 err = rte_eth_switch_domain_alloc(&priv->domain_id);
814 DRV_LOG(ERR, "unable to allocate switch domain: %s",
815 strerror(rte_errno));
820 /* Override some values set by hardware configuration. */
821 mlx5_args(&config, dpdk_dev->devargs);
822 err = mlx5_dev_check_sibling_config(priv, &config);
825 config.hw_csum = !!(sh->device_attr.device_cap_flags_ex &
826 IBV_DEVICE_RAW_IP_CSUM);
827 DRV_LOG(DEBUG, "checksum offloading is %ssupported",
828 (config.hw_csum ? "" : "not "));
829 #if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
830 !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
831 DRV_LOG(DEBUG, "counters are not supported");
833 #if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
834 if (config.dv_flow_en) {
835 DRV_LOG(WARNING, "DV flow is not supported");
836 config.dv_flow_en = 0;
839 config.ind_table_max_size =
840 sh->device_attr.max_rwq_indirection_table_size;
842 * Remove this check once DPDK supports larger/variable
843 * indirection tables.
845 if (config.ind_table_max_size > (unsigned int)ETH_RSS_RETA_SIZE_512)
846 config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
847 DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
848 config.ind_table_max_size);
849 config.hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
850 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
851 DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
852 (config.hw_vlan_strip ? "" : "not "));
853 config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
854 IBV_RAW_PACKET_CAP_SCATTER_FCS);
855 DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
856 (config.hw_fcs_strip ? "" : "not "));
857 #if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
858 hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
859 #elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
860 hw_padding = !!(sh->device_attr.device_cap_flags_ex &
861 IBV_DEVICE_PCI_WRITE_END_PADDING);
863 if (config.hw_padding && !hw_padding) {
864 DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
865 config.hw_padding = 0;
866 } else if (config.hw_padding) {
867 DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
869 config.tso = (sh->device_attr.max_tso > 0 &&
870 (sh->device_attr.tso_supported_qpts &
871 (1 << IBV_QPT_RAW_PACKET)));
873 config.tso_max_payload_sz = sh->device_attr.max_tso;
875 * MPW is disabled by default, while the Enhanced MPW is enabled
878 if (config.mps == MLX5_ARG_UNSET)
879 config.mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
882 config.mps = config.mps ? mps : MLX5_MPW_DISABLED;
883 DRV_LOG(INFO, "%sMPS is %s",
884 config.mps == MLX5_MPW_ENHANCED ? "enhanced " :
885 config.mps == MLX5_MPW ? "legacy " : "",
886 config.mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
887 if (config.cqe_comp && !cqe_comp) {
888 DRV_LOG(WARNING, "Rx CQE compression isn't supported");
891 if (config.cqe_pad && !cqe_pad) {
892 DRV_LOG(WARNING, "Rx CQE padding isn't supported");
894 } else if (config.cqe_pad) {
895 DRV_LOG(INFO, "Rx CQE padding is enabled");
898 priv->counter_fallback = 0;
899 err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config.hca_attr);
904 if (!config.hca_attr.flow_counters_dump)
905 priv->counter_fallback = 1;
906 #ifndef HAVE_IBV_DEVX_ASYNC
907 priv->counter_fallback = 1;
909 if (priv->counter_fallback)
910 DRV_LOG(INFO, "Use fall-back DV counter management");
911 /* Check for LRO support. */
912 if (config.dest_tir && config.hca_attr.lro_cap &&
914 /* TBD check tunnel lro caps. */
915 config.lro.supported = config.hca_attr.lro_cap;
916 DRV_LOG(DEBUG, "Device supports LRO");
918 * If LRO timeout is not configured by application,
919 * use the minimal supported value.
921 if (!config.lro.timeout)
923 config.hca_attr.lro_timer_supported_periods[0];
924 DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
927 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER)
928 if (config.hca_attr.qos.sup && config.hca_attr.qos.srtcm_sup &&
931 config.hca_attr.qos.flow_meter_reg_c_ids;
933 * Meter needs two REG_C's for color match and pre-sfx
934 * flow match. Here get the REG_C for color match.
935 * REG_C_0 and REG_C_1 is reserved for metadata feature.
938 if (__builtin_popcount(reg_c_mask) < 1) {
940 DRV_LOG(WARNING, "No available register for"
943 priv->mtr_color_reg = ffs(reg_c_mask) - 1 +
946 priv->mtr_reg_share =
947 config.hca_attr.qos.flow_meter_reg_share;
948 DRV_LOG(DEBUG, "The REG_C meter uses is %d",
949 priv->mtr_color_reg);
954 if (config.mprq.enabled && mprq) {
955 if (config.mprq.stride_num_n &&
956 (config.mprq.stride_num_n > mprq_max_stride_num_n ||
957 config.mprq.stride_num_n < mprq_min_stride_num_n)) {
958 config.mprq.stride_num_n =
959 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
960 mprq_min_stride_num_n),
961 mprq_max_stride_num_n);
963 "the number of strides"
964 " for Multi-Packet RQ is out of range,"
965 " setting default value (%u)",
966 1 << config.mprq.stride_num_n);
968 if (config.mprq.stride_size_n &&
969 (config.mprq.stride_size_n > mprq_max_stride_size_n ||
970 config.mprq.stride_size_n < mprq_min_stride_size_n)) {
971 config.mprq.stride_size_n =
972 RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
973 mprq_min_stride_size_n),
974 mprq_max_stride_size_n);
976 "the size of a stride"
977 " for Multi-Packet RQ is out of range,"
978 " setting default value (%u)",
979 1 << config.mprq.stride_size_n);
981 config.mprq.min_stride_size_n = mprq_min_stride_size_n;
982 config.mprq.max_stride_size_n = mprq_max_stride_size_n;
983 } else if (config.mprq.enabled && !mprq) {
984 DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
985 config.mprq.enabled = 0;
987 if (config.max_dump_files_num == 0)
988 config.max_dump_files_num = 128;
989 eth_dev = rte_eth_dev_allocate(name);
990 if (eth_dev == NULL) {
991 DRV_LOG(ERR, "can not allocate rte ethdev");
995 /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
996 eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
997 if (priv->representor) {
998 eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
999 eth_dev->data->representor_id = priv->representor_id;
1002 * Store associated network device interface index. This index
1003 * is permanent throughout the lifetime of device. So, we may store
1004 * the ifindex here and use the cached value further.
1006 MLX5_ASSERT(spawn->ifindex);
1007 priv->if_index = spawn->ifindex;
1008 eth_dev->data->dev_private = priv;
1009 priv->dev_data = eth_dev->data;
1010 eth_dev->data->mac_addrs = priv->mac;
1011 eth_dev->device = dpdk_dev;
1012 /* Configure the first MAC address by default. */
1013 if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
1015 "port %u cannot get MAC address, is mlx5_en"
1016 " loaded? (errno: %s)",
1017 eth_dev->data->port_id, strerror(rte_errno));
1022 "port %u MAC address is %02x:%02x:%02x:%02x:%02x:%02x",
1023 eth_dev->data->port_id,
1024 mac.addr_bytes[0], mac.addr_bytes[1],
1025 mac.addr_bytes[2], mac.addr_bytes[3],
1026 mac.addr_bytes[4], mac.addr_bytes[5]);
1027 #ifdef RTE_LIBRTE_MLX5_DEBUG
1029 char ifname[IF_NAMESIZE];
1031 if (mlx5_get_ifname(eth_dev, &ifname) == 0)
1032 DRV_LOG(DEBUG, "port %u ifname is \"%s\"",
1033 eth_dev->data->port_id, ifname);
1035 DRV_LOG(DEBUG, "port %u ifname is unknown",
1036 eth_dev->data->port_id);
1039 /* Get actual MTU if possible. */
1040 err = mlx5_get_mtu(eth_dev, &priv->mtu);
1045 DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
1047 /* Initialize burst functions to prevent crashes before link-up. */
1048 eth_dev->rx_pkt_burst = removed_rx_burst;
1049 eth_dev->tx_pkt_burst = removed_tx_burst;
1050 eth_dev->dev_ops = &mlx5_os_dev_ops;
1051 /* Register MAC address. */
1052 claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
1053 if (config.vf && config.vf_nl_en)
1054 mlx5_nl_mac_addr_sync(priv->nl_socket_route,
1055 mlx5_ifindex(eth_dev),
1056 eth_dev->data->mac_addrs,
1057 MLX5_MAX_MAC_ADDRESSES);
1059 priv->ctrl_flows = 0;
1060 TAILQ_INIT(&priv->flow_meters);
1061 TAILQ_INIT(&priv->flow_meter_profiles);
1062 /* Hint libmlx5 to use PMD allocator for data plane resources */
1063 struct mlx5dv_ctx_allocators alctr = {
1064 .alloc = &mlx5_alloc_verbs_buf,
1065 .free = &mlx5_free_verbs_buf,
1068 mlx5_glue->dv_set_context_attr(sh->ctx,
1069 MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
1070 (void *)((uintptr_t)&alctr));
1071 /* Bring Ethernet device up. */
1072 DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
1073 eth_dev->data->port_id);
1074 mlx5_set_link_up(eth_dev);
1076 * Even though the interrupt handler is not installed yet,
1077 * interrupts will still trigger on the async_fd from
1078 * Verbs context returned by ibv_open_device().
1080 mlx5_link_update(eth_dev, 0);
1081 #ifdef HAVE_MLX5DV_DR_ESWITCH
1082 if (!(config.hca_attr.eswitch_manager && config.dv_flow_en &&
1083 (switch_info->representor || switch_info->master)))
1084 config.dv_esw_en = 0;
1086 config.dv_esw_en = 0;
1088 /* Detect minimal data bytes to inline. */
1089 mlx5_set_min_inline(spawn, &config);
1090 /* Store device configuration on private structure. */
1091 priv->config = config;
1092 /* Create context for virtual machine VLAN workaround. */
1093 priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
1094 if (config.dv_flow_en) {
1095 err = mlx5_alloc_shared_dr(priv);
1099 * RSS id is shared with meter flow id. Meter flow id can only
1100 * use the 24 MSB of the register.
1102 priv->qrss_id_pool = mlx5_flow_id_pool_alloc(UINT32_MAX >>
1103 MLX5_MTR_COLOR_BITS);
1104 if (!priv->qrss_id_pool) {
1105 DRV_LOG(ERR, "can't create flow id pool");
1110 /* Supported Verbs flow priority number detection. */
1111 err = mlx5_flow_discover_priorities(eth_dev);
1116 priv->config.flow_prio = err;
1117 if (!priv->config.dv_esw_en &&
1118 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1119 DRV_LOG(WARNING, "metadata mode %u is not supported "
1120 "(no E-Switch)", priv->config.dv_xmeta_en);
1121 priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
1123 mlx5_set_metadata_mask(eth_dev);
1124 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1125 !priv->sh->dv_regc0_mask) {
1126 DRV_LOG(ERR, "metadata mode %u is not supported "
1127 "(no metadata reg_c[0] is available)",
1128 priv->config.dv_xmeta_en);
1133 * Allocate the buffer for flow creating, just once.
1134 * The allocation must be done before any flow creating.
1136 mlx5_flow_alloc_intermediate(eth_dev);
1137 /* Query availability of metadata reg_c's. */
1138 err = mlx5_flow_discover_mreg_c(eth_dev);
1143 if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
1145 "port %u extensive metadata register is not supported",
1146 eth_dev->data->port_id);
1147 if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
1148 DRV_LOG(ERR, "metadata mode %u is not supported "
1149 "(no metadata registers available)",
1150 priv->config.dv_xmeta_en);
1155 if (priv->config.dv_flow_en &&
1156 priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
1157 mlx5_flow_ext_mreg_supported(eth_dev) &&
1158 priv->sh->dv_regc0_mask) {
1159 priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
1160 MLX5_FLOW_MREG_HTABLE_SZ);
1161 if (!priv->mreg_cp_tbl) {
1169 if (priv->mreg_cp_tbl)
1170 mlx5_hlist_destroy(priv->mreg_cp_tbl, NULL, NULL);
1172 mlx5_os_free_shared_dr(priv);
1173 if (priv->nl_socket_route >= 0)
1174 close(priv->nl_socket_route);
1175 if (priv->nl_socket_rdma >= 0)
1176 close(priv->nl_socket_rdma);
1177 if (priv->vmwa_context)
1178 mlx5_vlan_vmwa_exit(priv->vmwa_context);
1179 if (priv->qrss_id_pool)
1180 mlx5_flow_id_pool_release(priv->qrss_id_pool);
1182 claim_zero(rte_eth_switch_domain_free(priv->domain_id));
1184 if (eth_dev != NULL)
1185 eth_dev->data->dev_private = NULL;
1187 if (eth_dev != NULL) {
1188 /* mac_addrs must not be freed alone because part of
1191 eth_dev->data->mac_addrs = NULL;
1192 rte_eth_dev_release_port(eth_dev);
1195 mlx5_free_shared_dev_ctx(sh);
1196 MLX5_ASSERT(err > 0);
1202 * Comparison callback to sort device data.
1204 * This is meant to be used with qsort().
1207 * Pointer to pointer to first data object.
1209 * Pointer to pointer to second data object.
1212 * 0 if both objects are equal, less than 0 if the first argument is less
1213 * than the second, greater than 0 otherwise.
1216 mlx5_dev_spawn_data_cmp(const void *a, const void *b)
1218 const struct mlx5_switch_info *si_a =
1219 &((const struct mlx5_dev_spawn_data *)a)->info;
1220 const struct mlx5_switch_info *si_b =
1221 &((const struct mlx5_dev_spawn_data *)b)->info;
1224 /* Master device first. */
1225 ret = si_b->master - si_a->master;
1228 /* Then representor devices. */
1229 ret = si_b->representor - si_a->representor;
1232 /* Unidentified devices come last in no specific order. */
1233 if (!si_a->representor)
1235 /* Order representors by name. */
1236 return si_a->port_name - si_b->port_name;
1240 * Match PCI information for possible slaves of bonding device.
1242 * @param[in] ibv_dev
1243 * Pointer to Infiniband device structure.
1244 * @param[in] pci_dev
1245 * Pointer to PCI device structure to match PCI address.
1246 * @param[in] nl_rdma
1247 * Netlink RDMA group socket handle.
1250 * negative value if no bonding device found, otherwise
1251 * positive index of slave PF in bonding.
1254 mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
1255 const struct rte_pci_device *pci_dev,
1258 char ifname[IF_NAMESIZE + 1];
1259 unsigned int ifindex;
1265 * Try to get master device name. If something goes
1266 * wrong suppose the lack of kernel support and no
1271 if (!strstr(ibv_dev->name, "bond"))
1273 np = mlx5_nl_portnum(nl_rdma, ibv_dev->name);
1277 * The Master device might not be on the predefined
1278 * port (not on port index 1, it is not garanted),
1279 * we have to scan all Infiniband device port and
1282 for (i = 1; i <= np; ++i) {
1283 /* Check whether Infiniband port is populated. */
1284 ifindex = mlx5_nl_ifindex(nl_rdma, ibv_dev->name, i);
1287 if (!if_indextoname(ifindex, ifname))
1289 /* Try to read bonding slave names from sysfs. */
1291 "/sys/class/net/%s/master/bonding/slaves", ifname);
1292 file = fopen(slaves, "r");
1298 /* Use safe format to check maximal buffer length. */
1299 MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
1300 while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
1301 char tmp_str[IF_NAMESIZE + 32];
1302 struct rte_pci_addr pci_addr;
1303 struct mlx5_switch_info info;
1305 /* Process slave interface names in the loop. */
1306 snprintf(tmp_str, sizeof(tmp_str),
1307 "/sys/class/net/%s", ifname);
1308 if (mlx5_dev_to_pci_addr(tmp_str, &pci_addr)) {
1309 DRV_LOG(WARNING, "can not get PCI address"
1310 " for netdev \"%s\"", ifname);
1313 if (pci_dev->addr.domain != pci_addr.domain ||
1314 pci_dev->addr.bus != pci_addr.bus ||
1315 pci_dev->addr.devid != pci_addr.devid ||
1316 pci_dev->addr.function != pci_addr.function)
1318 /* Slave interface PCI address match found. */
1320 snprintf(tmp_str, sizeof(tmp_str),
1321 "/sys/class/net/%s/phys_port_name", ifname);
1322 file = fopen(tmp_str, "rb");
1325 info.name_type = MLX5_PHYS_PORT_NAME_TYPE_NOTSET;
1326 if (fscanf(file, "%32s", tmp_str) == 1)
1327 mlx5_translate_port_name(tmp_str, &info);
1328 if (info.name_type == MLX5_PHYS_PORT_NAME_TYPE_LEGACY ||
1329 info.name_type == MLX5_PHYS_PORT_NAME_TYPE_UPLINK)
1330 pf = info.port_name;
1339 * DPDK callback to register a PCI device.
1341 * This function spawns Ethernet devices out of a given PCI device.
1343 * @param[in] pci_drv
1344 * PCI driver structure (mlx5_driver).
1345 * @param[in] pci_dev
1346 * PCI device information.
1349 * 0 on success, a negative errno value otherwise and rte_errno is set.
1352 mlx5_os_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1353 struct rte_pci_device *pci_dev)
1355 struct ibv_device **ibv_list;
1357 * Number of found IB Devices matching with requested PCI BDF.
1358 * nd != 1 means there are multiple IB devices over the same
1359 * PCI device and we have representors and master.
1361 unsigned int nd = 0;
1363 * Number of found IB device Ports. nd = 1 and np = 1..n means
1364 * we have the single multiport IB device, and there may be
1365 * representors attached to some of found ports.
1367 unsigned int np = 0;
1369 * Number of DPDK ethernet devices to Spawn - either over
1370 * multiple IB devices or multiple ports of single IB device.
1371 * Actually this is the number of iterations to spawn.
1373 unsigned int ns = 0;
1376 * < 0 - no bonding device (single one)
1377 * >= 0 - bonding device (value is slave PF index)
1380 struct mlx5_dev_spawn_data *list = NULL;
1381 struct mlx5_dev_config dev_config;
1384 if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
1385 DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
1389 if (rte_eal_process_type() == RTE_PROC_PRIMARY)
1390 mlx5_pmd_socket_init();
1391 ret = mlx5_init_once();
1393 DRV_LOG(ERR, "unable to init PMD global data: %s",
1394 strerror(rte_errno));
1397 MLX5_ASSERT(pci_drv == &mlx5_driver);
1399 ibv_list = mlx5_glue->get_device_list(&ret);
1401 rte_errno = errno ? errno : ENOSYS;
1402 DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
1406 * First scan the list of all Infiniband devices to find
1407 * matching ones, gathering into the list.
1409 struct ibv_device *ibv_match[ret + 1];
1410 int nl_route = mlx5_nl_init(NETLINK_ROUTE);
1411 int nl_rdma = mlx5_nl_init(NETLINK_RDMA);
1415 struct rte_pci_addr pci_addr;
1417 DRV_LOG(DEBUG, "checking device \"%s\"", ibv_list[ret]->name);
1418 bd = mlx5_device_bond_pci_match
1419 (ibv_list[ret], pci_dev, nl_rdma);
1422 * Bonding device detected. Only one match is allowed,
1423 * the bonding is supported over multi-port IB device,
1424 * there should be no matches on representor PCI
1425 * functions or non VF LAG bonding devices with
1426 * specified address.
1430 "multiple PCI match on bonding device"
1431 "\"%s\" found", ibv_list[ret]->name);
1436 DRV_LOG(INFO, "PCI information matches for"
1437 " slave %d bonding device \"%s\"",
1438 bd, ibv_list[ret]->name);
1439 ibv_match[nd++] = ibv_list[ret];
1442 if (mlx5_dev_to_pci_addr
1443 (ibv_list[ret]->ibdev_path, &pci_addr))
1445 if (pci_dev->addr.domain != pci_addr.domain ||
1446 pci_dev->addr.bus != pci_addr.bus ||
1447 pci_dev->addr.devid != pci_addr.devid ||
1448 pci_dev->addr.function != pci_addr.function)
1450 DRV_LOG(INFO, "PCI information matches for device \"%s\"",
1451 ibv_list[ret]->name);
1452 ibv_match[nd++] = ibv_list[ret];
1454 ibv_match[nd] = NULL;
1456 /* No device matches, just complain and bail out. */
1458 "no Verbs device matches PCI device " PCI_PRI_FMT ","
1459 " are kernel drivers loaded?",
1460 pci_dev->addr.domain, pci_dev->addr.bus,
1461 pci_dev->addr.devid, pci_dev->addr.function);
1468 * Found single matching device may have multiple ports.
1469 * Each port may be representor, we have to check the port
1470 * number and check the representors existence.
1473 np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
1475 DRV_LOG(WARNING, "can not get IB device \"%s\""
1476 " ports number", ibv_match[0]->name);
1477 if (bd >= 0 && !np) {
1478 DRV_LOG(ERR, "can not get ports"
1479 " for bonding device");
1485 #ifndef HAVE_MLX5DV_DR_DEVX_PORT
1488 * This may happen if there is VF LAG kernel support and
1489 * application is compiled with older rdma_core library.
1492 "No kernel/verbs support for VF LAG bonding found.");
1493 rte_errno = ENOTSUP;
1499 * Now we can determine the maximal
1500 * amount of devices to be spawned.
1502 list = rte_zmalloc("device spawn data",
1503 sizeof(struct mlx5_dev_spawn_data) *
1505 RTE_CACHE_LINE_SIZE);
1507 DRV_LOG(ERR, "spawn data array allocation failure");
1512 if (bd >= 0 || np > 1) {
1514 * Single IB device with multiple ports found,
1515 * it may be E-Switch master device and representors.
1516 * We have to perform identification through the ports.
1518 MLX5_ASSERT(nl_rdma >= 0);
1519 MLX5_ASSERT(ns == 0);
1520 MLX5_ASSERT(nd == 1);
1522 for (i = 1; i <= np; ++i) {
1523 list[ns].max_port = np;
1524 list[ns].phys_port = i;
1525 list[ns].phys_dev = ibv_match[0];
1526 list[ns].eth_dev = NULL;
1527 list[ns].pci_dev = pci_dev;
1528 list[ns].pf_bond = bd;
1529 list[ns].ifindex = mlx5_nl_ifindex
1531 mlx5_os_get_dev_device_name
1532 (list[ns].phys_dev), i);
1533 if (!list[ns].ifindex) {
1535 * No network interface index found for the
1536 * specified port, it means there is no
1537 * representor on this port. It's OK,
1538 * there can be disabled ports, for example
1539 * if sriov_numvfs < sriov_totalvfs.
1545 ret = mlx5_nl_switch_info
1549 if (ret || (!list[ns].info.representor &&
1550 !list[ns].info.master)) {
1552 * We failed to recognize representors with
1553 * Netlink, let's try to perform the task
1556 ret = mlx5_sysfs_switch_info
1560 if (!ret && bd >= 0) {
1561 switch (list[ns].info.name_type) {
1562 case MLX5_PHYS_PORT_NAME_TYPE_UPLINK:
1563 if (list[ns].info.port_name == bd)
1566 case MLX5_PHYS_PORT_NAME_TYPE_PFVF:
1567 if (list[ns].info.pf_num == bd)
1575 if (!ret && (list[ns].info.representor ^
1576 list[ns].info.master))
1581 "unable to recognize master/representors"
1582 " on the IB device with multiple ports");
1589 * The existence of several matching entries (nd > 1) means
1590 * port representors have been instantiated. No existing Verbs
1591 * call nor sysfs entries can tell them apart, this can only
1592 * be done through Netlink calls assuming kernel drivers are
1593 * recent enough to support them.
1595 * In the event of identification failure through Netlink,
1596 * try again through sysfs, then:
1598 * 1. A single IB device matches (nd == 1) with single
1599 * port (np=0/1) and is not a representor, assume
1600 * no switch support.
1602 * 2. Otherwise no safe assumptions can be made;
1603 * complain louder and bail out.
1605 for (i = 0; i != nd; ++i) {
1606 memset(&list[ns].info, 0, sizeof(list[ns].info));
1607 list[ns].max_port = 1;
1608 list[ns].phys_port = 1;
1609 list[ns].phys_dev = ibv_match[i];
1610 list[ns].eth_dev = NULL;
1611 list[ns].pci_dev = pci_dev;
1612 list[ns].pf_bond = -1;
1613 list[ns].ifindex = 0;
1615 list[ns].ifindex = mlx5_nl_ifindex
1617 mlx5_os_get_dev_device_name
1618 (list[ns].phys_dev), 1);
1619 if (!list[ns].ifindex) {
1620 char ifname[IF_NAMESIZE];
1623 * Netlink failed, it may happen with old
1624 * ib_core kernel driver (before 4.16).
1625 * We can assume there is old driver because
1626 * here we are processing single ports IB
1627 * devices. Let's try sysfs to retrieve
1628 * the ifindex. The method works for
1629 * master device only.
1633 * Multiple devices found, assume
1634 * representors, can not distinguish
1635 * master/representor and retrieve
1636 * ifindex via sysfs.
1640 ret = mlx5_get_ifname_sysfs
1641 (ibv_match[i]->ibdev_path, ifname);
1644 if_nametoindex(ifname);
1645 if (!list[ns].ifindex) {
1647 * No network interface index found
1648 * for the specified device, it means
1649 * there it is neither representor
1657 ret = mlx5_nl_switch_info
1661 if (ret || (!list[ns].info.representor &&
1662 !list[ns].info.master)) {
1664 * We failed to recognize representors with
1665 * Netlink, let's try to perform the task
1668 ret = mlx5_sysfs_switch_info
1672 if (!ret && (list[ns].info.representor ^
1673 list[ns].info.master)) {
1675 } else if ((nd == 1) &&
1676 !list[ns].info.representor &&
1677 !list[ns].info.master) {
1679 * Single IB device with
1680 * one physical port and
1681 * attached network device.
1682 * May be SRIOV is not enabled
1683 * or there is no representors.
1685 DRV_LOG(INFO, "no E-Switch support detected");
1692 "unable to recognize master/representors"
1693 " on the multiple IB devices");
1701 * Sort list to probe devices in natural order for users convenience
1702 * (i.e. master first, then representors from lowest to highest ID).
1704 qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
1705 /* Default configuration. */
1706 dev_config = (struct mlx5_dev_config){
1708 .mps = MLX5_ARG_UNSET,
1709 .dbnc = MLX5_ARG_UNSET,
1711 .txq_inline_max = MLX5_ARG_UNSET,
1712 .txq_inline_min = MLX5_ARG_UNSET,
1713 .txq_inline_mpw = MLX5_ARG_UNSET,
1714 .txqs_inline = MLX5_ARG_UNSET,
1716 .mr_ext_memseg_en = 1,
1718 .enabled = 0, /* Disabled by default. */
1721 .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
1722 .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
1726 .log_hp_size = MLX5_ARG_UNSET,
1728 /* Device specific configuration. */
1729 switch (pci_dev->id.device_id) {
1730 case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
1731 case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
1732 case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
1733 case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
1734 case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
1735 case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
1736 case PCI_DEVICE_ID_MELLANOX_CONNECTX6DXVF:
1742 for (i = 0; i != ns; ++i) {
1745 list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
1748 if (!list[i].eth_dev) {
1749 if (rte_errno != EBUSY && rte_errno != EEXIST)
1751 /* Device is disabled or already spawned. Ignore it. */
1754 restore = list[i].eth_dev->data->dev_flags;
1755 rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
1756 /* Restore non-PCI flags cleared by the above call. */
1757 list[i].eth_dev->data->dev_flags |= restore;
1758 rte_eth_dev_probing_finish(list[i].eth_dev);
1762 "probe of PCI device " PCI_PRI_FMT " aborted after"
1763 " encountering an error: %s",
1764 pci_dev->addr.domain, pci_dev->addr.bus,
1765 pci_dev->addr.devid, pci_dev->addr.function,
1766 strerror(rte_errno));
1770 if (!list[i].eth_dev)
1772 mlx5_dev_close(list[i].eth_dev);
1773 /* mac_addrs must not be freed because in dev_private */
1774 list[i].eth_dev->data->mac_addrs = NULL;
1775 claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
1777 /* Restore original error. */
1784 * Do the routine cleanup:
1785 * - close opened Netlink sockets
1786 * - free allocated spawn data array
1787 * - free the Infiniband device list
1795 MLX5_ASSERT(ibv_list);
1796 mlx5_glue->free_device_list(ibv_list);
1801 mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
1806 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1807 /* Get environment variable to store. */
1808 env = getenv(MLX5_SHUT_UP_BF);
1809 value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
1810 if (config->dbnc == MLX5_ARG_UNSET)
1811 setenv(MLX5_SHUT_UP_BF, MLX5_SHUT_UP_BF_DEFAULT, 1);
1813 setenv(MLX5_SHUT_UP_BF,
1814 config->dbnc == MLX5_TXDB_NCACHED ? "1" : "0", 1);
1819 mlx5_restore_doorbell_mapping_env(int value)
1821 MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
1822 /* Restore the original environment variable state. */
1823 if (value == MLX5_ARG_UNSET)
1824 unsetenv(MLX5_SHUT_UP_BF);
1826 setenv(MLX5_SHUT_UP_BF, value ? "1" : "0", 1);
1830 * Extract pdn of PD object using DV API.
1833 * Pointer to the verbs PD object.
1835 * Pointer to the PD object number variable.
1838 * 0 on success, error value otherwise.
1841 mlx5_os_get_pdn(void *pd, uint32_t *pdn)
1843 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
1844 struct mlx5dv_obj obj;
1845 struct mlx5dv_pd pd_info;
1849 obj.pd.out = &pd_info;
1850 ret = mlx5_glue->dv_init_obj(&obj, MLX5DV_OBJ_PD);
1852 DRV_LOG(DEBUG, "Fail to get PD object info");
1861 #endif /* HAVE_IBV_FLOW_DV_SUPPORT */
1865 * Function API to open IB device.
1867 * This function calls the Linux glue APIs to open a device.
1870 * Pointer to the IB device attributes (name, port, etc).
1871 * @param[out] config
1872 * Pointer to device configuration structure.
1874 * Pointer to shared context structure.
1877 * 0 on success, a positive error value otherwise.
1880 mlx5_os_open_device(const struct mlx5_dev_spawn_data *spawn,
1881 const struct mlx5_dev_config *config,
1882 struct mlx5_dev_ctx_shared *sh)
1887 * Configure environment variable "MLX5_BF_SHUT_UP"
1888 * before the device creation. The rdma_core library
1889 * checks the variable at device creation and
1890 * stores the result internally.
1892 dbmap_env = mlx5_config_doorbell_mapping_env(config);
1893 /* Try to open IB device with DV first, then usual Verbs. */
1895 sh->ctx = mlx5_glue->dv_open_device(spawn->phys_dev);
1898 DRV_LOG(DEBUG, "DevX is supported");
1899 /* The device is created, no need for environment. */
1900 mlx5_restore_doorbell_mapping_env(dbmap_env);
1902 /* The environment variable is still configured. */
1903 sh->ctx = mlx5_glue->open_device(spawn->phys_dev);
1904 err = errno ? errno : ENODEV;
1906 * The environment variable is not needed anymore,
1907 * all device creation attempts are completed.
1909 mlx5_restore_doorbell_mapping_env(dbmap_env);
1912 DRV_LOG(DEBUG, "DevX is NOT supported");
1919 * Install shared asynchronous device events handler.
1920 * This function is implemented to support event sharing
1921 * between multiple ports of single IB device.
1924 * Pointer to mlx5_dev_ctx_shared object.
1927 mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
1932 sh->intr_handle.fd = -1;
1933 flags = fcntl(((struct ibv_context *)sh->ctx)->async_fd, F_GETFL);
1934 ret = fcntl(((struct ibv_context *)sh->ctx)->async_fd,
1935 F_SETFL, flags | O_NONBLOCK);
1937 DRV_LOG(INFO, "failed to change file descriptor async event"
1940 sh->intr_handle.fd = ((struct ibv_context *)sh->ctx)->async_fd;
1941 sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
1942 if (rte_intr_callback_register(&sh->intr_handle,
1943 mlx5_dev_interrupt_handler, sh)) {
1944 DRV_LOG(INFO, "Fail to install the shared interrupt.");
1945 sh->intr_handle.fd = -1;
1949 #ifdef HAVE_IBV_DEVX_ASYNC
1950 sh->intr_handle_devx.fd = -1;
1952 (void *)mlx5_glue->devx_create_cmd_comp(sh->ctx);
1953 struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
1955 DRV_LOG(INFO, "failed to allocate devx_comp.");
1958 flags = fcntl(devx_comp->fd, F_GETFL);
1959 ret = fcntl(devx_comp->fd, F_SETFL, flags | O_NONBLOCK);
1961 DRV_LOG(INFO, "failed to change file descriptor"
1965 sh->intr_handle_devx.fd = devx_comp->fd;
1966 sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
1967 if (rte_intr_callback_register(&sh->intr_handle_devx,
1968 mlx5_dev_interrupt_handler_devx, sh)) {
1969 DRV_LOG(INFO, "Fail to install the devx shared"
1971 sh->intr_handle_devx.fd = -1;
1973 #endif /* HAVE_IBV_DEVX_ASYNC */
1978 * Uninstall shared asynchronous device events handler.
1979 * This function is implemented to support event sharing
1980 * between multiple ports of single IB device.
1983 * Pointer to mlx5_dev_ctx_shared object.
1986 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
1988 if (sh->intr_handle.fd >= 0)
1989 mlx5_intr_callback_unregister(&sh->intr_handle,
1990 mlx5_dev_interrupt_handler, sh);
1991 #ifdef HAVE_IBV_DEVX_ASYNC
1992 if (sh->intr_handle_devx.fd >= 0)
1993 rte_intr_callback_unregister(&sh->intr_handle_devx,
1994 mlx5_dev_interrupt_handler_devx, sh);
1996 mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
2001 * Read statistics by a named counter.
2004 * Pointer to the private device data structure.
2005 * @param[in] ctr_name
2006 * Pointer to the name of the statistic counter to read
2008 * Pointer to read statistic value.
2010 * 0 on success and stat is valud, 1 if failed to read the value
2015 mlx5_os_read_dev_stat(struct mlx5_priv *priv, const char *ctr_name,
2021 MKSTR(path, "%s/ports/%d/hw_counters/%s",
2022 priv->sh->ibdev_path,
2025 fd = open(path, O_RDONLY);
2027 char buf[21] = {'\0'};
2028 ssize_t n = read(fd, buf, sizeof(buf));
2032 *stat = strtoull(buf, NULL, 10);
2042 * Read device counters table.
2045 * Pointer to Ethernet device.
2047 * Counters table output buffer.
2050 * 0 on success and stats is filled, negative errno value otherwise and
2054 mlx5_os_read_dev_counters(struct rte_eth_dev *dev, uint64_t *stats)
2056 struct mlx5_priv *priv = dev->data->dev_private;
2057 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2060 unsigned int stats_sz = xstats_ctrl->stats_n * sizeof(uint64_t);
2061 unsigned char et_stat_buf[sizeof(struct ethtool_stats) + stats_sz];
2062 struct ethtool_stats *et_stats = (struct ethtool_stats *)et_stat_buf;
2065 et_stats->cmd = ETHTOOL_GSTATS;
2066 et_stats->n_stats = xstats_ctrl->stats_n;
2067 ifr.ifr_data = (caddr_t)et_stats;
2068 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2071 "port %u unable to read statistic values from device",
2072 dev->data->port_id);
2075 for (i = 0; i != xstats_ctrl->mlx5_stats_n; ++i) {
2076 if (xstats_ctrl->info[i].dev) {
2077 ret = mlx5_os_read_dev_stat(priv,
2078 xstats_ctrl->info[i].ctr_name,
2080 /* return last xstats counter if fail to read. */
2082 xstats_ctrl->xstats[i] = stats[i];
2084 stats[i] = xstats_ctrl->xstats[i];
2086 stats[i] = (uint64_t)
2087 et_stats->data[xstats_ctrl->dev_table_idx[i]];
2094 * Query the number of statistics provided by ETHTOOL.
2097 * Pointer to Ethernet device.
2100 * Number of statistics on success, negative errno value otherwise and
2104 mlx5_os_get_stats_n(struct rte_eth_dev *dev)
2106 struct ethtool_drvinfo drvinfo;
2110 drvinfo.cmd = ETHTOOL_GDRVINFO;
2111 ifr.ifr_data = (caddr_t)&drvinfo;
2112 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2114 DRV_LOG(WARNING, "port %u unable to query number of statistics",
2115 dev->data->port_id);
2118 return drvinfo.n_stats;
2121 static const struct mlx5_counter_ctrl mlx5_counters_init[] = {
2123 .dpdk_name = "rx_port_unicast_bytes",
2124 .ctr_name = "rx_vport_unicast_bytes",
2127 .dpdk_name = "rx_port_multicast_bytes",
2128 .ctr_name = "rx_vport_multicast_bytes",
2131 .dpdk_name = "rx_port_broadcast_bytes",
2132 .ctr_name = "rx_vport_broadcast_bytes",
2135 .dpdk_name = "rx_port_unicast_packets",
2136 .ctr_name = "rx_vport_unicast_packets",
2139 .dpdk_name = "rx_port_multicast_packets",
2140 .ctr_name = "rx_vport_multicast_packets",
2143 .dpdk_name = "rx_port_broadcast_packets",
2144 .ctr_name = "rx_vport_broadcast_packets",
2147 .dpdk_name = "tx_port_unicast_bytes",
2148 .ctr_name = "tx_vport_unicast_bytes",
2151 .dpdk_name = "tx_port_multicast_bytes",
2152 .ctr_name = "tx_vport_multicast_bytes",
2155 .dpdk_name = "tx_port_broadcast_bytes",
2156 .ctr_name = "tx_vport_broadcast_bytes",
2159 .dpdk_name = "tx_port_unicast_packets",
2160 .ctr_name = "tx_vport_unicast_packets",
2163 .dpdk_name = "tx_port_multicast_packets",
2164 .ctr_name = "tx_vport_multicast_packets",
2167 .dpdk_name = "tx_port_broadcast_packets",
2168 .ctr_name = "tx_vport_broadcast_packets",
2171 .dpdk_name = "rx_wqe_err",
2172 .ctr_name = "rx_wqe_err",
2175 .dpdk_name = "rx_crc_errors_phy",
2176 .ctr_name = "rx_crc_errors_phy",
2179 .dpdk_name = "rx_in_range_len_errors_phy",
2180 .ctr_name = "rx_in_range_len_errors_phy",
2183 .dpdk_name = "rx_symbol_err_phy",
2184 .ctr_name = "rx_symbol_err_phy",
2187 .dpdk_name = "tx_errors_phy",
2188 .ctr_name = "tx_errors_phy",
2191 .dpdk_name = "rx_out_of_buffer",
2192 .ctr_name = "out_of_buffer",
2196 .dpdk_name = "tx_packets_phy",
2197 .ctr_name = "tx_packets_phy",
2200 .dpdk_name = "rx_packets_phy",
2201 .ctr_name = "rx_packets_phy",
2204 .dpdk_name = "tx_discards_phy",
2205 .ctr_name = "tx_discards_phy",
2208 .dpdk_name = "rx_discards_phy",
2209 .ctr_name = "rx_discards_phy",
2212 .dpdk_name = "tx_bytes_phy",
2213 .ctr_name = "tx_bytes_phy",
2216 .dpdk_name = "rx_bytes_phy",
2217 .ctr_name = "rx_bytes_phy",
2219 /* Representor only */
2221 .dpdk_name = "rx_packets",
2222 .ctr_name = "vport_rx_packets",
2225 .dpdk_name = "rx_bytes",
2226 .ctr_name = "vport_rx_bytes",
2229 .dpdk_name = "tx_packets",
2230 .ctr_name = "vport_tx_packets",
2233 .dpdk_name = "tx_bytes",
2234 .ctr_name = "vport_tx_bytes",
2238 static const unsigned int xstats_n = RTE_DIM(mlx5_counters_init);
2241 * Init the structures to read device counters.
2244 * Pointer to Ethernet device.
2247 mlx5_os_stats_init(struct rte_eth_dev *dev)
2249 struct mlx5_priv *priv = dev->data->dev_private;
2250 struct mlx5_xstats_ctrl *xstats_ctrl = &priv->xstats_ctrl;
2251 struct mlx5_stats_ctrl *stats_ctrl = &priv->stats_ctrl;
2255 struct ethtool_gstrings *strings = NULL;
2256 unsigned int dev_stats_n;
2257 unsigned int str_sz;
2260 /* So that it won't aggregate for each init. */
2261 xstats_ctrl->mlx5_stats_n = 0;
2262 ret = mlx5_os_get_stats_n(dev);
2264 DRV_LOG(WARNING, "port %u no extended statistics available",
2265 dev->data->port_id);
2269 /* Allocate memory to grab stat names and values. */
2270 str_sz = dev_stats_n * ETH_GSTRING_LEN;
2271 strings = (struct ethtool_gstrings *)
2272 rte_malloc("xstats_strings",
2273 str_sz + sizeof(struct ethtool_gstrings), 0);
2275 DRV_LOG(WARNING, "port %u unable to allocate memory for xstats",
2276 dev->data->port_id);
2279 strings->cmd = ETHTOOL_GSTRINGS;
2280 strings->string_set = ETH_SS_STATS;
2281 strings->len = dev_stats_n;
2282 ifr.ifr_data = (caddr_t)strings;
2283 ret = mlx5_ifreq(dev, SIOCETHTOOL, &ifr);
2285 DRV_LOG(WARNING, "port %u unable to get statistic names",
2286 dev->data->port_id);
2289 for (i = 0; i != dev_stats_n; ++i) {
2290 const char *curr_string = (const char *)
2291 &strings->data[i * ETH_GSTRING_LEN];
2293 for (j = 0; j != xstats_n; ++j) {
2294 if (!strcmp(mlx5_counters_init[j].ctr_name,
2296 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2298 xstats_ctrl->dev_table_idx[idx] = i;
2299 xstats_ctrl->info[idx] = mlx5_counters_init[j];
2304 /* Add dev counters. */
2305 for (i = 0; i != xstats_n; ++i) {
2306 if (mlx5_counters_init[i].dev) {
2307 unsigned int idx = xstats_ctrl->mlx5_stats_n++;
2309 xstats_ctrl->info[idx] = mlx5_counters_init[i];
2310 xstats_ctrl->hw_stats[idx] = 0;
2313 MLX5_ASSERT(xstats_ctrl->mlx5_stats_n <= MLX5_MAX_XSTATS);
2314 xstats_ctrl->stats_n = dev_stats_n;
2315 /* Copy to base at first time. */
2316 ret = mlx5_os_read_dev_counters(dev, xstats_ctrl->base);
2318 DRV_LOG(ERR, "port %u cannot read device counters: %s",
2319 dev->data->port_id, strerror(rte_errno));
2320 mlx5_os_read_dev_stat(priv, "out_of_buffer", &stats_ctrl->imissed_base);
2321 stats_ctrl->imissed = 0;
2327 * Set the reg_mr and dereg_mr call backs
2329 * @param reg_mr_cb[out]
2330 * Pointer to reg_mr func
2331 * @param dereg_mr_cb[out]
2332 * Pointer to dereg_mr func
2336 mlx5_os_set_reg_mr_cb(mlx5_reg_mr_t *reg_mr_cb,
2337 mlx5_dereg_mr_t *dereg_mr_cb)
2339 *reg_mr_cb = mlx5_verbs_ops.reg_mr;
2340 *dereg_mr_cb = mlx5_verbs_ops.dereg_mr;
2343 const struct eth_dev_ops mlx5_os_dev_ops = {
2344 .dev_configure = mlx5_dev_configure,
2345 .dev_start = mlx5_dev_start,
2346 .dev_stop = mlx5_dev_stop,
2347 .dev_set_link_down = mlx5_set_link_down,
2348 .dev_set_link_up = mlx5_set_link_up,
2349 .dev_close = mlx5_dev_close,
2350 .promiscuous_enable = mlx5_promiscuous_enable,
2351 .promiscuous_disable = mlx5_promiscuous_disable,
2352 .allmulticast_enable = mlx5_allmulticast_enable,
2353 .allmulticast_disable = mlx5_allmulticast_disable,
2354 .link_update = mlx5_link_update,
2355 .stats_get = mlx5_stats_get,
2356 .stats_reset = mlx5_stats_reset,
2357 .xstats_get = mlx5_xstats_get,
2358 .xstats_reset = mlx5_xstats_reset,
2359 .xstats_get_names = mlx5_xstats_get_names,
2360 .fw_version_get = mlx5_fw_version_get,
2361 .dev_infos_get = mlx5_dev_infos_get,
2362 .read_clock = mlx5_read_clock,
2363 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2364 .vlan_filter_set = mlx5_vlan_filter_set,
2365 .rx_queue_setup = mlx5_rx_queue_setup,
2366 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2367 .tx_queue_setup = mlx5_tx_queue_setup,
2368 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2369 .rx_queue_release = mlx5_rx_queue_release,
2370 .tx_queue_release = mlx5_tx_queue_release,
2371 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2372 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2373 .mac_addr_remove = mlx5_mac_addr_remove,
2374 .mac_addr_add = mlx5_mac_addr_add,
2375 .mac_addr_set = mlx5_mac_addr_set,
2376 .set_mc_addr_list = mlx5_set_mc_addr_list,
2377 .mtu_set = mlx5_dev_set_mtu,
2378 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2379 .vlan_offload_set = mlx5_vlan_offload_set,
2380 .reta_update = mlx5_dev_rss_reta_update,
2381 .reta_query = mlx5_dev_rss_reta_query,
2382 .rss_hash_update = mlx5_rss_hash_update,
2383 .rss_hash_conf_get = mlx5_rss_hash_conf_get,
2384 .filter_ctrl = mlx5_dev_filter_ctrl,
2385 .rx_descriptor_status = mlx5_rx_descriptor_status,
2386 .tx_descriptor_status = mlx5_tx_descriptor_status,
2387 .rxq_info_get = mlx5_rxq_info_get,
2388 .txq_info_get = mlx5_txq_info_get,
2389 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2390 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2391 .rx_queue_count = mlx5_rx_queue_count,
2392 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2393 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2394 .is_removed = mlx5_is_removed,
2395 .udp_tunnel_port_add = mlx5_udp_tunnel_port_add,
2396 .get_module_info = mlx5_get_module_info,
2397 .get_module_eeprom = mlx5_get_module_eeprom,
2398 .hairpin_cap_get = mlx5_hairpin_cap_get,
2399 .mtr_ops_get = mlx5_flow_meter_ops_get,
2402 /* Available operations from secondary process. */
2403 const struct eth_dev_ops mlx5_os_dev_sec_ops = {
2404 .stats_get = mlx5_stats_get,
2405 .stats_reset = mlx5_stats_reset,
2406 .xstats_get = mlx5_xstats_get,
2407 .xstats_reset = mlx5_xstats_reset,
2408 .xstats_get_names = mlx5_xstats_get_names,
2409 .fw_version_get = mlx5_fw_version_get,
2410 .dev_infos_get = mlx5_dev_infos_get,
2411 .rx_descriptor_status = mlx5_rx_descriptor_status,
2412 .tx_descriptor_status = mlx5_tx_descriptor_status,
2413 .rxq_info_get = mlx5_rxq_info_get,
2414 .txq_info_get = mlx5_txq_info_get,
2415 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2416 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2417 .get_module_info = mlx5_get_module_info,
2418 .get_module_eeprom = mlx5_get_module_eeprom,
2421 /* Available operations in flow isolated mode. */
2422 const struct eth_dev_ops mlx5_os_dev_ops_isolate = {
2423 .dev_configure = mlx5_dev_configure,
2424 .dev_start = mlx5_dev_start,
2425 .dev_stop = mlx5_dev_stop,
2426 .dev_set_link_down = mlx5_set_link_down,
2427 .dev_set_link_up = mlx5_set_link_up,
2428 .dev_close = mlx5_dev_close,
2429 .promiscuous_enable = mlx5_promiscuous_enable,
2430 .promiscuous_disable = mlx5_promiscuous_disable,
2431 .allmulticast_enable = mlx5_allmulticast_enable,
2432 .allmulticast_disable = mlx5_allmulticast_disable,
2433 .link_update = mlx5_link_update,
2434 .stats_get = mlx5_stats_get,
2435 .stats_reset = mlx5_stats_reset,
2436 .xstats_get = mlx5_xstats_get,
2437 .xstats_reset = mlx5_xstats_reset,
2438 .xstats_get_names = mlx5_xstats_get_names,
2439 .fw_version_get = mlx5_fw_version_get,
2440 .dev_infos_get = mlx5_dev_infos_get,
2441 .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
2442 .vlan_filter_set = mlx5_vlan_filter_set,
2443 .rx_queue_setup = mlx5_rx_queue_setup,
2444 .rx_hairpin_queue_setup = mlx5_rx_hairpin_queue_setup,
2445 .tx_queue_setup = mlx5_tx_queue_setup,
2446 .tx_hairpin_queue_setup = mlx5_tx_hairpin_queue_setup,
2447 .rx_queue_release = mlx5_rx_queue_release,
2448 .tx_queue_release = mlx5_tx_queue_release,
2449 .flow_ctrl_get = mlx5_dev_get_flow_ctrl,
2450 .flow_ctrl_set = mlx5_dev_set_flow_ctrl,
2451 .mac_addr_remove = mlx5_mac_addr_remove,
2452 .mac_addr_add = mlx5_mac_addr_add,
2453 .mac_addr_set = mlx5_mac_addr_set,
2454 .set_mc_addr_list = mlx5_set_mc_addr_list,
2455 .mtu_set = mlx5_dev_set_mtu,
2456 .vlan_strip_queue_set = mlx5_vlan_strip_queue_set,
2457 .vlan_offload_set = mlx5_vlan_offload_set,
2458 .filter_ctrl = mlx5_dev_filter_ctrl,
2459 .rx_descriptor_status = mlx5_rx_descriptor_status,
2460 .tx_descriptor_status = mlx5_tx_descriptor_status,
2461 .rxq_info_get = mlx5_rxq_info_get,
2462 .txq_info_get = mlx5_txq_info_get,
2463 .rx_burst_mode_get = mlx5_rx_burst_mode_get,
2464 .tx_burst_mode_get = mlx5_tx_burst_mode_get,
2465 .rx_queue_intr_enable = mlx5_rx_intr_enable,
2466 .rx_queue_intr_disable = mlx5_rx_intr_disable,
2467 .is_removed = mlx5_is_removed,
2468 .get_module_info = mlx5_get_module_info,
2469 .get_module_eeprom = mlx5_get_module_eeprom,
2470 .hairpin_cap_get = mlx5_hairpin_cap_get,
2471 .mtr_ops_get = mlx5_flow_meter_ops_get,