net/mlx5: add external Rx queue mapping API
[dpdk.git] / drivers / net / mlx5 / linux / mlx5_os.c
index f17e1aa..be95095 100644 (file)
@@ -112,7 +112,7 @@ static struct mlx5_indexed_pool_config icfg[] = {
  *   Pointer to RQ channel object, which includes the channel fd
  *
  * @param[out] fd
- *   The file descriptor (representing the intetrrupt) used in this channel.
+ *   The file descriptor (representing the interrupt) used in this channel.
  *
  * @return
  *   0 on successfully setting the fd to non-blocking, non-zero otherwise.
@@ -131,71 +131,258 @@ mlx5_os_set_nonblock_channel_fd(int fd)
  * with out parameter of type 'struct ibv_device_attr_ex *'. Then fill in mlx5
  * device attributes from the glue out parameter.
  *
- * @param cdev
- *   Pointer to mlx5 device.
- *
- * @param device_attr
- *   Pointer to mlx5 device attributes.
+ * @param sh
+ *   Pointer to shared device context.
  *
  * @return
- *   0 on success, non zero error number otherwise
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-mlx5_os_get_dev_attr(struct mlx5_common_device *cdev,
-                    struct mlx5_dev_attr *device_attr)
+mlx5_os_capabilities_prepare(struct mlx5_dev_ctx_shared *sh)
 {
        int err;
-       struct ibv_context *ctx = cdev->ctx;
-       struct ibv_device_attr_ex attr_ex;
-
-       memset(device_attr, 0, sizeof(*device_attr));
-       err = mlx5_glue->query_device_ex(ctx, NULL, &attr_ex);
-       if (err)
-               return err;
-       device_attr->device_cap_flags_ex = attr_ex.device_cap_flags_ex;
-       device_attr->max_qp_wr = attr_ex.orig_attr.max_qp_wr;
-       device_attr->max_sge = attr_ex.orig_attr.max_sge;
-       device_attr->max_cq = attr_ex.orig_attr.max_cq;
-       device_attr->max_cqe = attr_ex.orig_attr.max_cqe;
-       device_attr->max_mr = attr_ex.orig_attr.max_mr;
-       device_attr->max_pd = attr_ex.orig_attr.max_pd;
-       device_attr->max_qp = attr_ex.orig_attr.max_qp;
-       device_attr->max_srq = attr_ex.orig_attr.max_srq;
-       device_attr->max_srq_wr = attr_ex.orig_attr.max_srq_wr;
-       device_attr->raw_packet_caps = attr_ex.raw_packet_caps;
-       device_attr->max_rwq_indirection_table_size =
-               attr_ex.rss_caps.max_rwq_indirection_table_size;
-       device_attr->max_tso = attr_ex.tso_caps.max_tso;
-       device_attr->tso_supported_qpts = attr_ex.tso_caps.supported_qpts;
-
+       struct mlx5_common_device *cdev = sh->cdev;
+       struct mlx5_hca_attr *hca_attr = &cdev->config.hca_attr;
+       struct ibv_device_attr_ex attr_ex = { .comp_mask = 0 };
        struct mlx5dv_context dv_attr = { .comp_mask = 0 };
-       err = mlx5_glue->dv_query_device(ctx, &dv_attr);
-       if (err)
-               return err;
 
-       device_attr->flags = dv_attr.flags;
-       device_attr->comp_mask = dv_attr.comp_mask;
+       err = mlx5_glue->query_device_ex(cdev->ctx, NULL, &attr_ex);
+       if (err) {
+               rte_errno = errno;
+               return -rte_errno;
+       }
 #ifdef HAVE_IBV_MLX5_MOD_SWP
-       device_attr->sw_parsing_offloads =
-               dv_attr.sw_parsing_caps.sw_parsing_offloads;
+       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
 #endif
-       device_attr->min_single_stride_log_num_of_bytes =
-               dv_attr.striding_rq_caps.min_single_stride_log_num_of_bytes;
-       device_attr->max_single_stride_log_num_of_bytes =
-               dv_attr.striding_rq_caps.max_single_stride_log_num_of_bytes;
-       device_attr->min_single_wqe_log_num_of_strides =
-               dv_attr.striding_rq_caps.min_single_wqe_log_num_of_strides;
-       device_attr->max_single_wqe_log_num_of_strides =
-               dv_attr.striding_rq_caps.max_single_wqe_log_num_of_strides;
-       device_attr->stride_supported_qpts =
-               dv_attr.striding_rq_caps.supported_qpts;
 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
-       device_attr->tunnel_offloads_caps = dv_attr.tunnel_offloads_caps;
+       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
 #endif
-       strlcpy(device_attr->fw_ver, attr_ex.orig_attr.fw_ver,
-               sizeof(device_attr->fw_ver));
-
-       return err;
+#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
+#endif
+       err = mlx5_glue->dv_query_device(cdev->ctx, &dv_attr);
+       if (err) {
+               rte_errno = errno;
+               return -rte_errno;
+       }
+       memset(&sh->dev_cap, 0, sizeof(struct mlx5_dev_cap));
+       if (mlx5_dev_is_pci(cdev->dev))
+               sh->dev_cap.vf = mlx5_dev_is_vf_pci(RTE_DEV_TO_PCI(cdev->dev));
+       else
+               sh->dev_cap.sf = 1;
+       sh->dev_cap.max_qp_wr = attr_ex.orig_attr.max_qp_wr;
+       sh->dev_cap.max_sge = attr_ex.orig_attr.max_sge;
+       sh->dev_cap.max_cq = attr_ex.orig_attr.max_cq;
+       sh->dev_cap.max_qp = attr_ex.orig_attr.max_qp;
+#ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
+       sh->dev_cap.dest_tir = 1;
+#endif
+#if defined(HAVE_IBV_FLOW_DV_SUPPORT) && defined(HAVE_MLX5DV_DR)
+       DRV_LOG(DEBUG, "DV flow is supported.");
+       sh->dev_cap.dv_flow_en = 1;
+#endif
+#ifdef HAVE_MLX5DV_DR_ESWITCH
+       if (hca_attr->eswitch_manager && sh->dev_cap.dv_flow_en && sh->esw_mode)
+               sh->dev_cap.dv_esw_en = 1;
+#endif
+       /*
+        * Multi-packet send is supported by ConnectX-4 Lx PF as well
+        * as all ConnectX-5 devices.
+        */
+       if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
+               if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
+                       DRV_LOG(DEBUG, "Enhanced MPW is supported.");
+                       sh->dev_cap.mps = MLX5_MPW_ENHANCED;
+               } else {
+                       DRV_LOG(DEBUG, "MPW is supported.");
+                       sh->dev_cap.mps = MLX5_MPW;
+               }
+       } else {
+               DRV_LOG(DEBUG, "MPW isn't supported.");
+               sh->dev_cap.mps = MLX5_MPW_DISABLED;
+       }
+#if (RTE_CACHE_LINE_SIZE == 128)
+       if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP)
+               sh->dev_cap.cqe_comp = 1;
+       DRV_LOG(DEBUG, "Rx CQE 128B compression is %ssupported.",
+               sh->dev_cap.cqe_comp ? "" : "not ");
+#else
+       sh->dev_cap.cqe_comp = 1;
+#endif
+#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
+       sh->dev_cap.mpls_en =
+               ((dv_attr.tunnel_offloads_caps &
+                 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
+                (dv_attr.tunnel_offloads_caps &
+                 MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
+       DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported.",
+               sh->dev_cap.mpls_en ? "" : "not ");
+#else
+       DRV_LOG(WARNING,
+               "MPLS over GRE/UDP tunnel offloading disabled due to old OFED/rdma-core version or firmware configuration");
+#endif
+#if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
+       sh->dev_cap.hw_padding = !!attr_ex.rx_pad_end_addr_align;
+#elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
+       sh->dev_cap.hw_padding = !!(attr_ex.device_cap_flags_ex &
+                                   IBV_DEVICE_PCI_WRITE_END_PADDING);
+#endif
+       sh->dev_cap.hw_csum =
+               !!(attr_ex.device_cap_flags_ex & IBV_DEVICE_RAW_IP_CSUM);
+       DRV_LOG(DEBUG, "Checksum offloading is %ssupported.",
+               sh->dev_cap.hw_csum ? "" : "not ");
+       sh->dev_cap.hw_vlan_strip = !!(attr_ex.raw_packet_caps &
+                                      IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
+       DRV_LOG(DEBUG, "VLAN stripping is %ssupported.",
+               (sh->dev_cap.hw_vlan_strip ? "" : "not "));
+       sh->dev_cap.hw_fcs_strip = !!(attr_ex.raw_packet_caps &
+                                     IBV_RAW_PACKET_CAP_SCATTER_FCS);
+#if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
+       !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
+       DRV_LOG(DEBUG, "Counters are not supported.");
+#endif
+       /*
+        * DPDK doesn't support larger/variable indirection tables.
+        * Once DPDK supports it, take max size from device attr.
+        */
+       sh->dev_cap.ind_table_max_size =
+                       RTE_MIN(attr_ex.rss_caps.max_rwq_indirection_table_size,
+                               (unsigned int)RTE_ETH_RSS_RETA_SIZE_512);
+       DRV_LOG(DEBUG, "Maximum Rx indirection table size is %u",
+               sh->dev_cap.ind_table_max_size);
+       sh->dev_cap.tso = (attr_ex.tso_caps.max_tso > 0 &&
+                          (attr_ex.tso_caps.supported_qpts &
+                           (1 << IBV_QPT_RAW_PACKET)));
+       if (sh->dev_cap.tso)
+               sh->dev_cap.tso_max_payload_sz = attr_ex.tso_caps.max_tso;
+       strlcpy(sh->dev_cap.fw_ver, attr_ex.orig_attr.fw_ver,
+               sizeof(sh->dev_cap.fw_ver));
+#ifdef HAVE_IBV_MLX5_MOD_SWP
+       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
+               sh->dev_cap.swp = dv_attr.sw_parsing_caps.sw_parsing_offloads &
+                                 (MLX5_SW_PARSING_CAP |
+                                  MLX5_SW_PARSING_CSUM_CAP |
+                                  MLX5_SW_PARSING_TSO_CAP);
+       DRV_LOG(DEBUG, "SWP support: %u", sh->dev_cap.swp);
+#endif
+#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
+               struct mlx5dv_striding_rq_caps *strd_rq_caps =
+                               &dv_attr.striding_rq_caps;
+
+               sh->dev_cap.mprq.enabled = 1;
+               sh->dev_cap.mprq.log_min_stride_size =
+                       strd_rq_caps->min_single_stride_log_num_of_bytes;
+               sh->dev_cap.mprq.log_max_stride_size =
+                       strd_rq_caps->max_single_stride_log_num_of_bytes;
+               sh->dev_cap.mprq.log_min_stride_num =
+                       strd_rq_caps->min_single_wqe_log_num_of_strides;
+               sh->dev_cap.mprq.log_max_stride_num =
+                       strd_rq_caps->max_single_wqe_log_num_of_strides;
+               sh->dev_cap.mprq.log_min_stride_wqe_size =
+                                       cdev->config.devx ?
+                                       hca_attr->log_min_stride_wqe_sz :
+                                       MLX5_MPRQ_LOG_MIN_STRIDE_WQE_SIZE;
+               DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %u",
+                       sh->dev_cap.mprq.log_min_stride_size);
+               DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %u",
+                       sh->dev_cap.mprq.log_max_stride_size);
+               DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %u",
+                       sh->dev_cap.mprq.log_min_stride_num);
+               DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %u",
+                       sh->dev_cap.mprq.log_max_stride_num);
+               DRV_LOG(DEBUG, "\tmin_stride_wqe_log_size: %u",
+                       sh->dev_cap.mprq.log_min_stride_wqe_size);
+               DRV_LOG(DEBUG, "\tsupported_qpts: %d",
+                       strd_rq_caps->supported_qpts);
+               DRV_LOG(DEBUG, "Device supports Multi-Packet RQ.");
+       }
+#endif
+#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
+       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
+               sh->dev_cap.tunnel_en = dv_attr.tunnel_offloads_caps &
+                                       (MLX5_TUNNELED_OFFLOADS_VXLAN_CAP |
+                                        MLX5_TUNNELED_OFFLOADS_GRE_CAP |
+                                        MLX5_TUNNELED_OFFLOADS_GENEVE_CAP);
+       }
+       if (sh->dev_cap.tunnel_en) {
+               DRV_LOG(DEBUG, "Tunnel offloading is supported for %s%s%s",
+                       sh->dev_cap.tunnel_en &
+                       MLX5_TUNNELED_OFFLOADS_VXLAN_CAP ? "[VXLAN]" : "",
+                       sh->dev_cap.tunnel_en &
+                       MLX5_TUNNELED_OFFLOADS_GRE_CAP ? "[GRE]" : "",
+                       sh->dev_cap.tunnel_en &
+                       MLX5_TUNNELED_OFFLOADS_GENEVE_CAP ? "[GENEVE]" : "");
+       } else {
+               DRV_LOG(DEBUG, "Tunnel offloading is not supported.");
+       }
+#else
+       DRV_LOG(WARNING,
+               "Tunnel offloading disabled due to old OFED/rdma-core version");
+#endif
+       if (!sh->cdev->config.devx)
+               return 0;
+       /* Check capabilities for Packet Pacing. */
+       DRV_LOG(DEBUG, "Timestamp counter frequency %u kHz.",
+               hca_attr->dev_freq_khz);
+       DRV_LOG(DEBUG, "Packet pacing is %ssupported.",
+               hca_attr->qos.packet_pacing ? "" : "not ");
+       DRV_LOG(DEBUG, "Cross channel ops are %ssupported.",
+               hca_attr->cross_channel ? "" : "not ");
+       DRV_LOG(DEBUG, "WQE index ignore is %ssupported.",
+               hca_attr->wqe_index_ignore ? "" : "not ");
+       DRV_LOG(DEBUG, "Non-wire SQ feature is %ssupported.",
+               hca_attr->non_wire_sq ? "" : "not ");
+       DRV_LOG(DEBUG, "Static WQE SQ feature is %ssupported (%d)",
+               hca_attr->log_max_static_sq_wq ? "" : "not ",
+               hca_attr->log_max_static_sq_wq);
+       DRV_LOG(DEBUG, "WQE rate PP mode is %ssupported.",
+               hca_attr->qos.wqe_rate_pp ? "" : "not ");
+       sh->dev_cap.txpp_en = hca_attr->qos.packet_pacing;
+       if (!hca_attr->cross_channel) {
+               DRV_LOG(DEBUG,
+                       "Cross channel operations are required for packet pacing.");
+               sh->dev_cap.txpp_en = 0;
+       }
+       if (!hca_attr->wqe_index_ignore) {
+               DRV_LOG(DEBUG,
+                       "WQE index ignore feature is required for packet pacing.");
+               sh->dev_cap.txpp_en = 0;
+       }
+       if (!hca_attr->non_wire_sq) {
+               DRV_LOG(DEBUG,
+                       "Non-wire SQ feature is required for packet pacing.");
+               sh->dev_cap.txpp_en = 0;
+       }
+       if (!hca_attr->log_max_static_sq_wq) {
+               DRV_LOG(DEBUG,
+                       "Static WQE SQ feature is required for packet pacing.");
+               sh->dev_cap.txpp_en = 0;
+       }
+       if (!hca_attr->qos.wqe_rate_pp) {
+               DRV_LOG(DEBUG,
+                       "WQE rate mode is required for packet pacing.");
+               sh->dev_cap.txpp_en = 0;
+       }
+#ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
+       DRV_LOG(DEBUG,
+               "DevX does not provide UAR offset, can't create queues for packet pacing.");
+       sh->dev_cap.txpp_en = 0;
+#endif
+       /* Check for LRO support. */
+       if (mlx5_devx_obj_ops_en(sh) && hca_attr->lro_cap) {
+               /* TBD check tunnel lro caps. */
+               sh->dev_cap.lro_supported = 1;
+               DRV_LOG(DEBUG, "Device supports LRO.");
+               DRV_LOG(DEBUG,
+                       "LRO minimal size of TCP segment required for coalescing is %d bytes.",
+                       hca_attr->lro_min_mss_size);
+       }
+       sh->dev_cap.scatter_fcs_w_decap_disable =
+                                       hca_attr->scatter_fcs_w_decap_disable;
+       sh->dev_cap.rq_delay_drop_en = hca_attr->rq_delay_drop;
+       mlx5_rt_timestamp_config(sh, hca_attr);
+       return 0;
 }
 
 /**
@@ -248,7 +435,7 @@ __mlx5_discovery_misc5_cap(struct mlx5_priv *priv)
        dv_attr.priority = 3;
 #ifdef HAVE_MLX5DV_DR_ESWITCH
        void *misc2_m;
-       if (priv->config.dv_esw_en) {
+       if (priv->sh->config.dv_esw_en) {
                /* FDB enabled reg_c_0 */
                dv_attr.match_criteria_enable |=
                                (1 << MLX5_MATCH_CRITERIA_ENABLE_MISC2_BIT);
@@ -295,6 +482,8 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
        err = mlx5_alloc_table_hash_list(priv);
        if (err)
                goto error;
+       if (priv->sh->config.dv_flow_en == 2)
+               return 0;
        /* The resources below are only valid with DV support. */
 #ifdef HAVE_IBV_FLOW_DV_SUPPORT
        /* Init port id action list. */
@@ -337,6 +526,16 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
                                              flow_dv_dest_array_clone_free_cb);
        if (!sh->dest_array_list)
                goto error;
+       /* Init shared flex parsers list, no need lcore_share */
+       snprintf(s, sizeof(s), "%s_flex_parsers_list", sh->ibdev_name);
+       sh->flex_parsers_dv = mlx5_list_create(s, sh, false,
+                                              mlx5_flex_parser_create_cb,
+                                              mlx5_flex_parser_match_cb,
+                                              mlx5_flex_parser_remove_cb,
+                                              mlx5_flex_parser_clone_cb,
+                                              mlx5_flex_parser_clone_free_cb);
+       if (!sh->flex_parsers_dv)
+               goto error;
 #endif
 #ifdef HAVE_MLX5DV_DR
        void *domain;
@@ -359,7 +558,7 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
        }
        sh->tx_domain = domain;
 #ifdef HAVE_MLX5DV_DR_ESWITCH
-       if (priv->config.dv_esw_en) {
+       if (sh->config.dv_esw_en) {
                domain = mlx5_glue->dr_create_domain(sh->cdev->ctx,
                                                     MLX5DV_DR_DOMAIN_TYPE_FDB);
                if (!domain) {
@@ -381,20 +580,20 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
                goto error;
        }
 #endif
-       if (!sh->tunnel_hub && priv->config.dv_miss_info)
+       if (!sh->tunnel_hub && sh->config.dv_miss_info)
                err = mlx5_alloc_tunnel_hub(sh);
        if (err) {
                DRV_LOG(ERR, "mlx5_alloc_tunnel_hub failed err=%d", err);
                goto error;
        }
-       if (priv->config.reclaim_mode == MLX5_RCM_AGGR) {
+       if (sh->config.reclaim_mode == MLX5_RCM_AGGR) {
                mlx5_glue->dr_reclaim_domain_memory(sh->rx_domain, 1);
                mlx5_glue->dr_reclaim_domain_memory(sh->tx_domain, 1);
                if (sh->fdb_domain)
                        mlx5_glue->dr_reclaim_domain_memory(sh->fdb_domain, 1);
        }
        sh->pop_vlan_action = mlx5_glue->dr_create_flow_action_pop_vlan();
-       if (!priv->config.allow_duplicate_pattern) {
+       if (!sh->config.allow_duplicate_pattern) {
 #ifndef HAVE_MLX5_DR_ALLOW_DUPLICATE
                DRV_LOG(WARNING, "Disallow duplicate pattern is not supported - maybe old rdma-core version?");
 #endif
@@ -410,6 +609,7 @@ mlx5_alloc_shared_dr(struct mlx5_priv *priv)
                        mlx5_glue->dr_create_flow_action_default_miss();
        if (!sh->default_miss_action)
                DRV_LOG(WARNING, "Default miss action is not supported.");
+       LIST_INIT(&sh->shared_rxqs);
        return 0;
 error:
        /* Rollback the created objects. */
@@ -484,6 +684,7 @@ mlx5_os_free_shared_dr(struct mlx5_priv *priv)
        MLX5_ASSERT(sh && sh->refcnt);
        if (sh->refcnt > 1)
                return;
+       MLX5_ASSERT(LIST_EMPTY(&sh->shared_rxqs));
 #ifdef HAVE_MLX5DV_DR
        if (sh->rx_domain) {
                mlx5_glue->dr_destroy_domain(sh->rx_domain);
@@ -646,45 +847,6 @@ out:
        return ret;
 }
 
-/**
- * DV flow counter mode detect and config.
- *
- * @param dev
- *   Pointer to rte_eth_dev structure.
- *
- */
-static void
-mlx5_flow_counter_mode_config(struct rte_eth_dev *dev __rte_unused)
-{
-#ifdef HAVE_IBV_FLOW_DV_SUPPORT
-       struct mlx5_priv *priv = dev->data->dev_private;
-       struct mlx5_dev_ctx_shared *sh = priv->sh;
-       bool fallback;
-
-#ifndef HAVE_IBV_DEVX_ASYNC
-       fallback = true;
-#else
-       fallback = false;
-       if (!sh->devx || !priv->config.dv_flow_en ||
-           !priv->config.hca_attr.flow_counters_dump ||
-           !(priv->config.hca_attr.flow_counter_bulk_alloc_bitmap & 0x4) ||
-           (mlx5_flow_dv_discover_counter_offset_support(dev) == -ENOTSUP))
-               fallback = true;
-#endif
-       if (fallback)
-               DRV_LOG(INFO, "Use fall-back DV counter management. Flow "
-                       "counter dump:%d, bulk_alloc_bitmap:0x%hhx.",
-                       priv->config.hca_attr.flow_counters_dump,
-                       priv->config.hca_attr.flow_counter_bulk_alloc_bitmap);
-       /* Initialize fallback mode only on the port initializes sh. */
-       if (sh->refcnt == 1)
-               sh->cmng.counter_fallback = fallback;
-       else if (fallback != sh->cmng.counter_fallback)
-               DRV_LOG(WARNING, "Port %d in sh has different fallback mode "
-                       "with others:%d.", PORT_ID(priv), fallback);
-#endif
-}
-
 /**
  * DR flow drop action support detect.
  *
@@ -698,16 +860,21 @@ mlx5_flow_drop_action_config(struct rte_eth_dev *dev __rte_unused)
 #ifdef HAVE_MLX5DV_DR
        struct mlx5_priv *priv = dev->data->dev_private;
 
-       if (!priv->config.dv_flow_en || !priv->sh->dr_drop_action)
+       if (!priv->sh->config.dv_flow_en || !priv->sh->dr_drop_action)
                return;
        /**
         * DR supports drop action placeholder when it is supported;
         * otherwise, use the queue drop action.
         */
-       if (mlx5_flow_discover_dr_action_support(dev))
-               priv->root_drop_action = priv->drop_queue.hrxq->action;
-       else
+       if (!priv->sh->drop_action_check_flag) {
+               if (!mlx5_flow_discover_dr_action_support(dev))
+                       priv->sh->dr_drop_action_en = 1;
+               priv->sh->drop_action_check_flag = 1;
+       }
+       if (priv->sh->dr_drop_action_en)
                priv->root_drop_action = priv->sh->dr_drop_action;
+       else
+               priv->root_drop_action = priv->drop_queue.hrxq->action;
 #endif
 }
 
@@ -834,10 +1001,10 @@ mlx5_representor_match(struct mlx5_dev_spawn_data *spawn,
  *   Backing DPDK device.
  * @param spawn
  *   Verbs device parameters (name, port, switch_info) to spawn.
- * @param config
- *   Device configuration parameters.
  * @param eth_da
  *   Device arguments.
+ * @param mkvlist
+ *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
  *
  * @return
  *   A valid Ethernet device object on success, NULL otherwise and rte_errno
@@ -849,31 +1016,21 @@ mlx5_representor_match(struct mlx5_dev_spawn_data *spawn,
 static struct rte_eth_dev *
 mlx5_dev_spawn(struct rte_device *dpdk_dev,
               struct mlx5_dev_spawn_data *spawn,
-              struct mlx5_dev_config *config,
-              struct rte_eth_devargs *eth_da)
+              struct rte_eth_devargs *eth_da,
+              struct mlx5_kvargs_ctrl *mkvlist)
 {
        const struct mlx5_switch_info *switch_info = &spawn->info;
        struct mlx5_dev_ctx_shared *sh = NULL;
        struct ibv_port_attr port_attr = { .state = IBV_PORT_NOP };
-       struct mlx5dv_context dv_attr = { .comp_mask = 0 };
        struct rte_eth_dev *eth_dev = NULL;
        struct mlx5_priv *priv = NULL;
        int err = 0;
-       unsigned int hw_padding = 0;
-       unsigned int mps;
-       unsigned int mpls_en = 0;
-       unsigned int swp = 0;
-       unsigned int mprq = 0;
-       unsigned int mprq_min_stride_size_n = 0;
-       unsigned int mprq_max_stride_size_n = 0;
-       unsigned int mprq_min_stride_num_n = 0;
-       unsigned int mprq_max_stride_num_n = 0;
        struct rte_ether_addr mac;
        char name[RTE_ETH_NAME_MAX_LEN];
        int own_domain_id = 0;
        uint16_t port_id;
        struct mlx5_port_info vport_info = { .query_flags = 0 };
-       int nl_rdma = -1;
+       int nl_rdma;
        int i;
 
        /* Determine if this port representor is supposed to be spawned. */
@@ -910,6 +1067,12 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                DRV_LOG(WARNING, "device name overflow %s", name);
        /* check if the device is already spawned */
        if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
+               /*
+                * When device is already spawned, its devargs should be set
+                * as used. otherwise, mlx5_kvargs_validate() will fail.
+                */
+               if (mkvlist)
+                       mlx5_port_args_set_used(name, port_id, mkvlist);
                rte_errno = EEXIST;
                return NULL;
        }
@@ -951,126 +1114,9 @@ err_secondary:
                mlx5_dev_close(eth_dev);
                return NULL;
        }
-       /*
-        * Some parameters ("tx_db_nc" in particularly) are needed in
-        * advance to create dv/verbs device context. We proceed the
-        * devargs here to get ones, and later proceed devargs again
-        * to override some hardware settings.
-        */
-       err = mlx5_args(config, dpdk_dev->devargs);
-       if (err) {
-               err = rte_errno;
-               DRV_LOG(ERR, "failed to process device arguments: %s",
-                       strerror(rte_errno));
-               goto error;
-       }
-       if (config->dv_miss_info) {
-               if (switch_info->master || switch_info->representor)
-                       config->dv_xmeta_en = MLX5_XMETA_MODE_META16;
-       }
-       sh = mlx5_alloc_shared_dev_ctx(spawn, config);
+       sh = mlx5_alloc_shared_dev_ctx(spawn, mkvlist);
        if (!sh)
                return NULL;
-#ifdef HAVE_MLX5DV_DR_ACTION_DEST_DEVX_TIR
-       config->dest_tir = 1;
-#endif
-#ifdef HAVE_IBV_MLX5_MOD_SWP
-       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
-#endif
-       /*
-        * Multi-packet send is supported by ConnectX-4 Lx PF as well
-        * as all ConnectX-5 devices.
-        */
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
-       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS;
-#endif
-#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
-       dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
-#endif
-       mlx5_glue->dv_query_device(sh->cdev->ctx, &dv_attr);
-       if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED) {
-               if (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW) {
-                       DRV_LOG(DEBUG, "enhanced MPW is supported");
-                       mps = MLX5_MPW_ENHANCED;
-               } else {
-                       DRV_LOG(DEBUG, "MPW is supported");
-                       mps = MLX5_MPW;
-               }
-       } else {
-               DRV_LOG(DEBUG, "MPW isn't supported");
-               mps = MLX5_MPW_DISABLED;
-       }
-#ifdef HAVE_IBV_MLX5_MOD_SWP
-       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
-               swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
-       DRV_LOG(DEBUG, "SWP support: %u", swp);
-#endif
-       config->swp = swp & (MLX5_SW_PARSING_CAP | MLX5_SW_PARSING_CSUM_CAP |
-               MLX5_SW_PARSING_TSO_CAP);
-#ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
-       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_STRIDING_RQ) {
-               struct mlx5dv_striding_rq_caps mprq_caps =
-                       dv_attr.striding_rq_caps;
-
-               DRV_LOG(DEBUG, "\tmin_single_stride_log_num_of_bytes: %d",
-                       mprq_caps.min_single_stride_log_num_of_bytes);
-               DRV_LOG(DEBUG, "\tmax_single_stride_log_num_of_bytes: %d",
-                       mprq_caps.max_single_stride_log_num_of_bytes);
-               DRV_LOG(DEBUG, "\tmin_single_wqe_log_num_of_strides: %d",
-                       mprq_caps.min_single_wqe_log_num_of_strides);
-               DRV_LOG(DEBUG, "\tmax_single_wqe_log_num_of_strides: %d",
-                       mprq_caps.max_single_wqe_log_num_of_strides);
-               DRV_LOG(DEBUG, "\tsupported_qpts: %d",
-                       mprq_caps.supported_qpts);
-               DRV_LOG(DEBUG, "device supports Multi-Packet RQ");
-               mprq = 1;
-               mprq_min_stride_size_n =
-                       mprq_caps.min_single_stride_log_num_of_bytes;
-               mprq_max_stride_size_n =
-                       mprq_caps.max_single_stride_log_num_of_bytes;
-               mprq_min_stride_num_n =
-                       mprq_caps.min_single_wqe_log_num_of_strides;
-               mprq_max_stride_num_n =
-                       mprq_caps.max_single_wqe_log_num_of_strides;
-       }
-#endif
-       /* Rx CQE compression is enabled by default. */
-       config->cqe_comp = 1;
-#ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
-       if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
-               config->tunnel_en = dv_attr.tunnel_offloads_caps &
-                            (MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN |
-                             MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE |
-                             MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE);
-       }
-       if (config->tunnel_en) {
-               DRV_LOG(DEBUG, "tunnel offloading is supported for %s%s%s",
-               config->tunnel_en &
-               MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_VXLAN ? "[VXLAN]" : "",
-               config->tunnel_en &
-               MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GRE ? "[GRE]" : "",
-               config->tunnel_en &
-               MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_GENEVE ? "[GENEVE]" : ""
-               );
-       } else {
-               DRV_LOG(DEBUG, "tunnel offloading is not supported");
-       }
-#else
-       DRV_LOG(WARNING,
-               "tunnel offloading disabled due to old OFED/rdma-core version");
-#endif
-#ifdef HAVE_IBV_DEVICE_MPLS_SUPPORT
-       mpls_en = ((dv_attr.tunnel_offloads_caps &
-                   MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_GRE) &&
-                  (dv_attr.tunnel_offloads_caps &
-                   MLX5DV_RAW_PACKET_CAP_TUNNELED_OFFLOAD_CW_MPLS_OVER_UDP));
-       DRV_LOG(DEBUG, "MPLS over GRE/UDP tunnel offloading is %ssupported",
-               mpls_en ? "" : "not ");
-#else
-       DRV_LOG(WARNING, "MPLS over GRE/UDP tunnel offloading disabled due to"
-               " old OFED/rdma-core version or firmware configuration");
-#endif
-       config->mpls_en = mpls_en;
        nl_rdma = mlx5_nl_init(NETLINK_RDMA);
        /* Check port status. */
        if (spawn->phys_port <= UINT8_MAX) {
@@ -1112,6 +1158,22 @@ err_secondary:
                err = ENOMEM;
                goto error;
        }
+       /*
+        * When user configures remote PD and CTX and device creates RxQ by
+        * DevX, external RxQ is both supported and requested.
+        */
+       if (mlx5_imported_pd_and_ctx(sh->cdev) && mlx5_devx_obj_ops_en(sh)) {
+               priv->ext_rxqs = mlx5_malloc(MLX5_MEM_ZERO | MLX5_MEM_RTE,
+                                            sizeof(struct mlx5_external_rxq) *
+                                            MLX5_MAX_EXT_RX_QUEUES, 0,
+                                            SOCKET_ID_ANY);
+               if (priv->ext_rxqs == NULL) {
+                       DRV_LOG(ERR, "Fail to allocate external RxQ array.");
+                       err = ENOMEM;
+                       goto error;
+               }
+               DRV_LOG(DEBUG, "External RxQ is supported.");
+       }
        priv->sh = sh;
        priv->dev_port = spawn->phys_port;
        priv->pci_dev = spawn->pci_dev;
@@ -1138,7 +1200,7 @@ err_secondary:
         * register to match on vport index. The engaged part of metadata
         * register is defined by mask.
         */
-       if (switch_info->representor || switch_info->master) {
+       if (sh->esw_mode) {
                err = mlx5_glue->devx_port_query(sh->cdev->ctx,
                                                 spawn->phys_port,
                                                 &vport_info);
@@ -1169,8 +1231,7 @@ err_secondary:
        }
        if (vport_info.query_flags & MLX5_PORT_QUERY_VPORT) {
                priv->vport_id = vport_info.vport_id;
-       } else if (spawn->pf_bond >= 0 &&
-                  (switch_info->representor || switch_info->master)) {
+       } else if (spawn->pf_bond >= 0 && sh->esw_mode) {
                DRV_LOG(ERR,
                        "Cannot deduce vport index for port %d on bonding device %s",
                        spawn->phys_port, spawn->phys_dev_name);
@@ -1224,102 +1285,16 @@ err_secondary:
                DRV_LOG(DEBUG, "dev_port-%u new domain_id=%u\n",
                        priv->dev_port, priv->domain_id);
        }
-       /* Override some values set by hardware configuration. */
-       mlx5_args(config, dpdk_dev->devargs);
-       err = mlx5_dev_check_sibling_config(priv, config, dpdk_dev);
-       if (err)
-               goto error;
-       config->hw_csum = !!(sh->device_attr.device_cap_flags_ex &
-                           IBV_DEVICE_RAW_IP_CSUM);
-       DRV_LOG(DEBUG, "checksum offloading is %ssupported",
-               (config->hw_csum ? "" : "not "));
-#if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
-       !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
-       DRV_LOG(DEBUG, "counters are not supported");
-#endif
-#if !defined(HAVE_IBV_FLOW_DV_SUPPORT) || !defined(HAVE_MLX5DV_DR)
-       if (config->dv_flow_en) {
-               DRV_LOG(WARNING, "DV flow is not supported");
-               config->dv_flow_en = 0;
-       }
-#endif
-       config->ind_table_max_size =
-               sh->device_attr.max_rwq_indirection_table_size;
-       /*
-        * Remove this check once DPDK supports larger/variable
-        * indirection tables.
-        */
-       if (config->ind_table_max_size > (unsigned int)RTE_ETH_RSS_RETA_SIZE_512)
-               config->ind_table_max_size = RTE_ETH_RSS_RETA_SIZE_512;
-       DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
-               config->ind_table_max_size);
-       config->hw_vlan_strip = !!(sh->device_attr.raw_packet_caps &
-                                 IBV_RAW_PACKET_CAP_CVLAN_STRIPPING);
-       DRV_LOG(DEBUG, "VLAN stripping is %ssupported",
-               (config->hw_vlan_strip ? "" : "not "));
-       config->hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
-                                IBV_RAW_PACKET_CAP_SCATTER_FCS);
-#if defined(HAVE_IBV_WQ_FLAG_RX_END_PADDING)
-       hw_padding = !!sh->device_attr.rx_pad_end_addr_align;
-#elif defined(HAVE_IBV_WQ_FLAGS_PCI_WRITE_END_PADDING)
-       hw_padding = !!(sh->device_attr.device_cap_flags_ex &
-                       IBV_DEVICE_PCI_WRITE_END_PADDING);
-#endif
-       if (config->hw_padding && !hw_padding) {
-               DRV_LOG(DEBUG, "Rx end alignment padding isn't supported");
-               config->hw_padding = 0;
-       } else if (config->hw_padding) {
-               DRV_LOG(DEBUG, "Rx end alignment padding is enabled");
-       }
-       config->tso = (sh->device_attr.max_tso > 0 &&
-                     (sh->device_attr.tso_supported_qpts &
-                      (1 << IBV_QPT_RAW_PACKET)));
-       if (config->tso)
-               config->tso_max_payload_sz = sh->device_attr.max_tso;
-       /*
-        * MPW is disabled by default, while the Enhanced MPW is enabled
-        * by default.
-        */
-       if (config->mps == MLX5_ARG_UNSET)
-               config->mps = (mps == MLX5_MPW_ENHANCED) ? MLX5_MPW_ENHANCED :
-                                                         MLX5_MPW_DISABLED;
-       else
-               config->mps = config->mps ? mps : MLX5_MPW_DISABLED;
-       DRV_LOG(INFO, "%sMPS is %s",
-               config->mps == MLX5_MPW_ENHANCED ? "enhanced " :
-               config->mps == MLX5_MPW ? "legacy " : "",
-               config->mps != MLX5_MPW_DISABLED ? "enabled" : "disabled");
-       if (sh->devx) {
-               config->hca_attr = sh->cdev->config.hca_attr;
-               sh->steering_format_version =
-                       config->hca_attr.steering_format_version;
-               /* Check for LRO support. */
-               if (config->dest_tir && config->hca_attr.lro_cap &&
-                   config->dv_flow_en) {
-                       /* TBD check tunnel lro caps. */
-                       config->lro.supported = config->hca_attr.lro_cap;
-                       DRV_LOG(DEBUG, "Device supports LRO");
-                       /*
-                        * If LRO timeout is not configured by application,
-                        * use the minimal supported value.
-                        */
-                       if (!config->lro.timeout)
-                               config->lro.timeout =
-                               config->hca_attr.lro_timer_supported_periods[0];
-                       DRV_LOG(DEBUG, "LRO session timeout set to %d usec",
-                               config->lro.timeout);
-                       DRV_LOG(DEBUG, "LRO minimal size of TCP segment "
-                               "required for coalescing is %d bytes",
-                               config->hca_attr.lro_min_mss_size);
-               }
+       if (sh->cdev->config.devx) {
+               struct mlx5_hca_attr *hca_attr = &sh->cdev->config.hca_attr;
+
+               sh->steering_format_version = hca_attr->steering_format_version;
 #if defined(HAVE_MLX5DV_DR) && \
        (defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_METER) || \
         defined(HAVE_MLX5_DR_CREATE_ACTION_ASO))
-               if (config->hca_attr.qos.sup &&
-                   config->hca_attr.qos.flow_meter_old &&
-                   config->dv_flow_en) {
-                       uint8_t reg_c_mask =
-                               config->hca_attr.qos.flow_meter_reg_c_ids;
+               if (hca_attr->qos.sup && hca_attr->qos.flow_meter_old &&
+                   sh->config.dv_flow_en) {
+                       uint8_t reg_c_mask = hca_attr->qos.flow_meter_reg_c_ids;
                        /*
                         * Meter needs two REG_C's for color match and pre-sfx
                         * flow match. Here get the REG_C for color match.
@@ -1343,20 +1318,18 @@ err_secondary:
                                        priv->mtr_color_reg = ffs(reg_c_mask)
                                                              - 1 + REG_C_0;
                                priv->mtr_en = 1;
-                               priv->mtr_reg_share =
-                                     config->hca_attr.qos.flow_meter;
+                               priv->mtr_reg_share = hca_attr->qos.flow_meter;
                                DRV_LOG(DEBUG, "The REG_C meter uses is %d",
                                        priv->mtr_color_reg);
                        }
                }
-               if (config->hca_attr.qos.sup &&
-                       config->hca_attr.qos.flow_meter_aso_sup) {
+               if (hca_attr->qos.sup && hca_attr->qos.flow_meter_aso_sup) {
                        uint32_t log_obj_size =
                                rte_log2_u32(MLX5_ASO_MTRS_PER_POOL >> 1);
                        if (log_obj_size >=
-                       config->hca_attr.qos.log_meter_aso_granularity &&
-                       log_obj_size <=
-                       config->hca_attr.qos.log_meter_aso_max_alloc)
+                           hca_attr->qos.log_meter_aso_granularity &&
+                           log_obj_size <=
+                           hca_attr->qos.log_meter_aso_max_alloc)
                                sh->meter_aso_en = 1;
                }
                if (priv->mtr_en) {
@@ -1366,12 +1339,13 @@ err_secondary:
                                goto error;
                        }
                }
-               if (config->hca_attr.flow.tunnel_header_0_1)
+               if (hca_attr->flow.tunnel_header_0_1)
                        sh->tunnel_header_0_1 = 1;
+               if (hca_attr->flow.tunnel_header_2_3)
+                       sh->tunnel_header_2_3 = 1;
 #endif
 #ifdef HAVE_MLX5_DR_CREATE_ACTION_ASO
-               if (config->hca_attr.flow_hit_aso &&
-                   priv->mtr_color_reg == REG_C_3) {
+               if (hca_attr->flow_hit_aso && priv->mtr_color_reg == REG_C_3) {
                        sh->flow_hit_aso_en = 1;
                        err = mlx5_flow_aso_age_mng_init(sh);
                        if (err) {
@@ -1383,8 +1357,7 @@ err_secondary:
 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO */
 #if defined(HAVE_MLX5_DR_CREATE_ACTION_ASO) && \
        defined(HAVE_MLX5_DR_ACTION_ASO_CT)
-               if (config->hca_attr.ct_offload &&
-                   priv->mtr_color_reg == REG_C_3) {
+               if (hca_attr->ct_offload && priv->mtr_color_reg == REG_C_3) {
                        err = mlx5_flow_aso_ct_mng_init(sh);
                        if (err) {
                                err = -err;
@@ -1395,13 +1368,13 @@ err_secondary:
                }
 #endif /* HAVE_MLX5_DR_CREATE_ACTION_ASO && HAVE_MLX5_DR_ACTION_ASO_CT */
 #if defined(HAVE_MLX5DV_DR) && defined(HAVE_MLX5_DR_CREATE_ACTION_FLOW_SAMPLE)
-               if (config->hca_attr.log_max_ft_sampler_num > 0  &&
-                   config->dv_flow_en) {
+               if (hca_attr->log_max_ft_sampler_num > 0  &&
+                   sh->config.dv_flow_en) {
                        priv->sampler_en = 1;
                        DRV_LOG(DEBUG, "Sampler enabled!");
                } else {
                        priv->sampler_en = 0;
-                       if (!config->hca_attr.log_max_ft_sampler_num)
+                       if (!hca_attr->log_max_ft_sampler_num)
                                DRV_LOG(WARNING,
                                        "No available register for sampler.");
                        else
@@ -1409,154 +1382,14 @@ err_secondary:
                }
 #endif
        }
-       if (config->cqe_comp && RTE_CACHE_LINE_SIZE == 128 &&
-           !(dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_COMP)) {
-               DRV_LOG(WARNING, "Rx CQE 128B compression is not supported");
-               config->cqe_comp = 0;
-       }
-       if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_FTAG_STRIDX &&
-           (!sh->devx || !config->hca_attr.mini_cqe_resp_flow_tag)) {
-               DRV_LOG(WARNING, "Flow Tag CQE compression"
-                                " format isn't supported.");
-               config->cqe_comp = 0;
-       }
-       if (config->cqe_comp_fmt == MLX5_CQE_RESP_FORMAT_L34H_STRIDX &&
-           (!sh->devx || !config->hca_attr.mini_cqe_resp_l3_l4_tag)) {
-               DRV_LOG(WARNING, "L3/L4 Header CQE compression"
-                                " format isn't supported.");
-               config->cqe_comp = 0;
-       }
-       DRV_LOG(DEBUG, "Rx CQE compression is %ssupported",
-                       config->cqe_comp ? "" : "not ");
-       if (config->tx_pp) {
-               DRV_LOG(DEBUG, "Timestamp counter frequency %u kHz",
-                       config->hca_attr.dev_freq_khz);
-               DRV_LOG(DEBUG, "Packet pacing is %ssupported",
-                       config->hca_attr.qos.packet_pacing ? "" : "not ");
-               DRV_LOG(DEBUG, "Cross channel ops are %ssupported",
-                       config->hca_attr.cross_channel ? "" : "not ");
-               DRV_LOG(DEBUG, "WQE index ignore is %ssupported",
-                       config->hca_attr.wqe_index_ignore ? "" : "not ");
-               DRV_LOG(DEBUG, "Non-wire SQ feature is %ssupported",
-                       config->hca_attr.non_wire_sq ? "" : "not ");
-               DRV_LOG(DEBUG, "Static WQE SQ feature is %ssupported (%d)",
-                       config->hca_attr.log_max_static_sq_wq ? "" : "not ",
-                       config->hca_attr.log_max_static_sq_wq);
-               DRV_LOG(DEBUG, "WQE rate PP mode is %ssupported",
-                       config->hca_attr.qos.wqe_rate_pp ? "" : "not ");
-               if (!sh->devx) {
-                       DRV_LOG(ERR, "DevX is required for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.qos.packet_pacing) {
-                       DRV_LOG(ERR, "Packet pacing is not supported");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.cross_channel) {
-                       DRV_LOG(ERR, "Cross channel operations are"
-                                    " required for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.wqe_index_ignore) {
-                       DRV_LOG(ERR, "WQE index ignore feature is"
-                                    " required for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.non_wire_sq) {
-                       DRV_LOG(ERR, "Non-wire SQ feature is"
-                                    " required for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.log_max_static_sq_wq) {
-                       DRV_LOG(ERR, "Static WQE SQ feature is"
-                                    " required for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-               if (!config->hca_attr.qos.wqe_rate_pp) {
-                       DRV_LOG(ERR, "WQE rate mode is required"
-                                    " for packet pacing");
-                       err = ENODEV;
-                       goto error;
-               }
-#ifndef HAVE_MLX5DV_DEVX_UAR_OFFSET
-               DRV_LOG(ERR, "DevX does not provide UAR offset,"
-                            " can't create queues for packet pacing");
-               err = ENODEV;
+       /* Process parameters and store port configuration on priv structure. */
+       err = mlx5_port_args_config(priv, mkvlist, &priv->config);
+       if (err) {
+               err = rte_errno;
+               DRV_LOG(ERR, "Failed to process port configure: %s",
+                       strerror(rte_errno));
                goto error;
-#endif
        }
-       if (sh->devx) {
-               uint32_t reg[MLX5_ST_SZ_DW(register_mtutc)];
-
-               err = config->hca_attr.access_register_user ?
-                       mlx5_devx_cmd_register_read
-                               (sh->cdev->ctx, MLX5_REGISTER_ID_MTUTC, 0,
-                               reg, MLX5_ST_SZ_DW(register_mtutc)) : ENOTSUP;
-               if (!err) {
-                       uint32_t ts_mode;
-
-                       /* MTUTC register is read successfully. */
-                       ts_mode = MLX5_GET(register_mtutc, reg,
-                                          time_stamp_mode);
-                       if (ts_mode == MLX5_MTUTC_TIMESTAMP_MODE_REAL_TIME)
-                               config->rt_timestamp = 1;
-               } else {
-                       /* Kernel does not support register reading. */
-                       if (config->hca_attr.dev_freq_khz ==
-                                                (NS_PER_S / MS_PER_S))
-                               config->rt_timestamp = 1;
-               }
-       }
-       /*
-        * If HW has bug working with tunnel packet decapsulation and
-        * scatter FCS, and decapsulation is needed, clear the hw_fcs_strip
-        * bit. Then RTE_ETH_RX_OFFLOAD_KEEP_CRC bit will not be set anymore.
-        */
-       if (config->hca_attr.scatter_fcs_w_decap_disable && config->decap_en)
-               config->hw_fcs_strip = 0;
-       DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
-               (config->hw_fcs_strip ? "" : "not "));
-       if (config->mprq.enabled && mprq) {
-               if (config->mprq.stride_num_n &&
-                   (config->mprq.stride_num_n > mprq_max_stride_num_n ||
-                    config->mprq.stride_num_n < mprq_min_stride_num_n)) {
-                       config->mprq.stride_num_n =
-                               RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_NUM_N,
-                                               mprq_min_stride_num_n),
-                                       mprq_max_stride_num_n);
-                       DRV_LOG(WARNING,
-                               "the number of strides"
-                               " for Multi-Packet RQ is out of range,"
-                               " setting default value (%u)",
-                               1 << config->mprq.stride_num_n);
-               }
-               if (config->mprq.stride_size_n &&
-                   (config->mprq.stride_size_n > mprq_max_stride_size_n ||
-                    config->mprq.stride_size_n < mprq_min_stride_size_n)) {
-                       config->mprq.stride_size_n =
-                               RTE_MIN(RTE_MAX(MLX5_MPRQ_STRIDE_SIZE_N,
-                                               mprq_min_stride_size_n),
-                                       mprq_max_stride_size_n);
-                       DRV_LOG(WARNING,
-                               "the size of a stride"
-                               " for Multi-Packet RQ is out of range,"
-                               " setting default value (%u)",
-                               1 << config->mprq.stride_size_n);
-               }
-               config->mprq.min_stride_size_n = mprq_min_stride_size_n;
-               config->mprq.max_stride_size_n = mprq_max_stride_size_n;
-       } else if (config->mprq.enabled && !mprq) {
-               DRV_LOG(WARNING, "Multi-Packet RQ isn't supported");
-               config->mprq.enabled = 0;
-       }
-       if (config->max_dump_files_num == 0)
-               config->max_dump_files_num = 128;
        eth_dev = rte_eth_dev_allocate(name);
        if (eth_dev == NULL) {
                DRV_LOG(ERR, "can not allocate rte ethdev");
@@ -1628,15 +1461,15 @@ err_secondary:
        DRV_LOG(DEBUG, "port %u MTU is %u", eth_dev->data->port_id,
                priv->mtu);
        /* Initialize burst functions to prevent crashes before link-up. */
-       eth_dev->rx_pkt_burst = removed_rx_burst;
-       eth_dev->tx_pkt_burst = removed_tx_burst;
+       eth_dev->rx_pkt_burst = rte_eth_pkt_burst_dummy;
+       eth_dev->tx_pkt_burst = rte_eth_pkt_burst_dummy;
        eth_dev->dev_ops = &mlx5_dev_ops;
        eth_dev->rx_descriptor_status = mlx5_rx_descriptor_status;
        eth_dev->tx_descriptor_status = mlx5_tx_descriptor_status;
        eth_dev->rx_queue_count = mlx5_rx_queue_count;
        /* Register MAC address. */
        claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
-       if (config->vf && config->vf_nl_en)
+       if (sh->dev_cap.vf && sh->config.vf_nl_en)
                mlx5_nl_mac_addr_sync(priv->nl_socket_route,
                                      mlx5_ifindex(eth_dev),
                                      eth_dev->data->mac_addrs,
@@ -1657,20 +1490,9 @@ err_secondary:
         * Verbs context returned by ibv_open_device().
         */
        mlx5_link_update(eth_dev, 0);
-#ifdef HAVE_MLX5DV_DR_ESWITCH
-       if (!(config->hca_attr.eswitch_manager && config->dv_flow_en &&
-             (switch_info->representor || switch_info->master)))
-               config->dv_esw_en = 0;
-#else
-       config->dv_esw_en = 0;
-#endif
-       /* Detect minimal data bytes to inline. */
-       mlx5_set_min_inline(spawn, config);
-       /* Store device configuration on private structure. */
-       priv->config = *config;
        for (i = 0; i < MLX5_FLOW_TYPE_MAXI; i++) {
-               icfg[i].release_mem_en = !!config->reclaim_mode;
-               if (config->reclaim_mode)
+               icfg[i].release_mem_en = !!sh->config.reclaim_mode;
+               if (sh->config.reclaim_mode)
                        icfg[i].per_core_cache = 0;
                priv->flows[i] = mlx5_ipool_create(&icfg[i]);
                if (!priv->flows[i])
@@ -1678,17 +1500,15 @@ err_secondary:
        }
        /* Create context for virtual machine VLAN workaround. */
        priv->vmwa_context = mlx5_vlan_vmwa_init(eth_dev, spawn->ifindex);
-       if (config->dv_flow_en) {
+       if (sh->config.dv_flow_en) {
                err = mlx5_alloc_shared_dr(priv);
                if (err)
                        goto error;
+               if (mlx5_flex_item_port_init(eth_dev) < 0)
+                       goto error;
        }
-       if (sh->devx && config->dv_flow_en && config->dest_tir) {
+       if (mlx5_devx_obj_ops_en(sh)) {
                priv->obj_ops = devx_obj_ops;
-               priv->obj_ops.drop_action_create =
-                                               ibv_obj_ops.drop_action_create;
-               priv->obj_ops.drop_action_destroy =
-                                               ibv_obj_ops.drop_action_destroy;
                mlx5_queue_counter_id_prepare(eth_dev);
                priv->obj_ops.lb_dummy_queue_create =
                                        mlx5_rxq_ibv_obj_dummy_lb_create;
@@ -1702,9 +1522,8 @@ err_secondary:
        } else {
                priv->obj_ops = ibv_obj_ops;
        }
-       if (config->tx_pp &&
-           (priv->config.dv_esw_en ||
-            priv->obj_ops.txq_obj_new != mlx5_txq_devx_obj_new)) {
+       if (sh->config.tx_pp &&
+           priv->obj_ops.txq_obj_new != mlx5_txq_devx_obj_new) {
                /*
                 * HAVE_MLX5DV_DEVX_UAR_OFFSET is required to support
                 * packet pacing and already checked above.
@@ -1720,28 +1539,6 @@ err_secondary:
        priv->drop_queue.hrxq = mlx5_drop_action_create(eth_dev);
        if (!priv->drop_queue.hrxq)
                goto error;
-       /* Supported Verbs flow priority number detection. */
-       err = mlx5_flow_discover_priorities(eth_dev);
-       if (err < 0) {
-               err = -err;
-               goto error;
-       }
-       priv->config.flow_prio = err;
-       if (!priv->config.dv_esw_en &&
-           priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
-               DRV_LOG(WARNING, "metadata mode %u is not supported "
-                                "(no E-Switch)", priv->config.dv_xmeta_en);
-               priv->config.dv_xmeta_en = MLX5_XMETA_MODE_LEGACY;
-       }
-       mlx5_set_metadata_mask(eth_dev);
-       if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
-           !priv->sh->dv_regc0_mask) {
-               DRV_LOG(ERR, "metadata mode %u is not supported "
-                            "(no metadata reg_c[0] is available)",
-                            priv->config.dv_xmeta_en);
-                       err = ENOTSUP;
-                       goto error;
-       }
        priv->hrxqs = mlx5_list_create("hrxq", eth_dev, true,
                                       mlx5_hrxq_create_cb,
                                       mlx5_hrxq_match_cb,
@@ -1751,26 +1548,52 @@ err_secondary:
        if (!priv->hrxqs)
                goto error;
        rte_rwlock_init(&priv->ind_tbls_lock);
-       /* Query availability of metadata reg_c's. */
-       err = mlx5_flow_discover_mreg_c(eth_dev);
+       if (priv->sh->config.dv_flow_en == 2)
+               return eth_dev;
+       /* Port representor shares the same max priority with pf port. */
+       if (!priv->sh->flow_priority_check_flag) {
+               /* Supported Verbs flow priority number detection. */
+               err = mlx5_flow_discover_priorities(eth_dev);
+               priv->sh->flow_max_priority = err;
+               priv->sh->flow_priority_check_flag = 1;
+       } else {
+               err = priv->sh->flow_max_priority;
+       }
        if (err < 0) {
                err = -err;
                goto error;
        }
+       mlx5_set_metadata_mask(eth_dev);
+       if (sh->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
+           !priv->sh->dv_regc0_mask) {
+               DRV_LOG(ERR, "metadata mode %u is not supported "
+                            "(no metadata reg_c[0] is available)",
+                            sh->config.dv_xmeta_en);
+                       err = ENOTSUP;
+                       goto error;
+       }
+       /* Query availability of metadata reg_c's. */
+       if (!priv->sh->metadata_regc_check_flag) {
+               err = mlx5_flow_discover_mreg_c(eth_dev);
+               if (err < 0) {
+                       err = -err;
+                       goto error;
+               }
+       }
        if (!mlx5_flow_ext_mreg_supported(eth_dev)) {
                DRV_LOG(DEBUG,
                        "port %u extensive metadata register is not supported",
                        eth_dev->data->port_id);
-               if (priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
+               if (sh->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY) {
                        DRV_LOG(ERR, "metadata mode %u is not supported "
                                     "(no metadata registers available)",
-                                    priv->config.dv_xmeta_en);
+                                    sh->config.dv_xmeta_en);
                        err = ENOTSUP;
                        goto error;
                }
        }
-       if (priv->config.dv_flow_en &&
-           priv->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
+       if (sh->config.dv_flow_en &&
+           sh->config.dv_xmeta_en != MLX5_XMETA_MODE_LEGACY &&
            mlx5_flow_ext_mreg_supported(eth_dev) &&
            priv->sh->dv_regc0_mask) {
                priv->mreg_cp_tbl = mlx5_hlist_create(MLX5_FLOW_MREG_HNAME,
@@ -1789,7 +1612,7 @@ err_secondary:
        rte_spinlock_init(&priv->shared_act_sl);
        mlx5_flow_counter_mode_config(eth_dev);
        mlx5_flow_drop_action_config(eth_dev);
-       if (priv->config.dv_flow_en)
+       if (sh->config.dv_flow_en)
                eth_dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
        return eth_dev;
 error:
@@ -1810,6 +1633,9 @@ error:
                        claim_zero(rte_eth_switch_domain_free(priv->domain_id));
                if (priv->hrxqs)
                        mlx5_list_destroy(priv->hrxqs);
+               if (eth_dev && priv->flex_item_map)
+                       mlx5_flex_item_port_cleanup(eth_dev);
+               mlx5_free(priv->ext_rxqs);
                mlx5_free(priv);
                if (eth_dev != NULL)
                        eth_dev->data->dev_private = NULL;
@@ -1898,6 +1724,8 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
        FILE *bond_file = NULL, *file;
        int pf = -1;
        int ret;
+       uint8_t cur_guid[32] = {0};
+       uint8_t guid[32] = {0};
 
        /*
         * Try to get master device name. If something goes wrong suppose
@@ -1911,6 +1739,8 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
        np = mlx5_nl_portnum(nl_rdma, ibdev_name);
        if (!np)
                return -1;
+       if (mlx5_get_device_guid(pci_dev, cur_guid, sizeof(cur_guid)) < 0)
+               return -1;
        /*
         * The master device might not be on the predefined port(not on port
         * index 1, it is not guaranteed), we have to scan all Infiniband
@@ -1938,6 +1768,7 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
                char tmp_str[IF_NAMESIZE + 32];
                struct rte_pci_addr pci_addr;
                struct mlx5_switch_info info;
+               int ret;
 
                /* Process slave interface names in the loop. */
                snprintf(tmp_str, sizeof(tmp_str),
@@ -1969,15 +1800,6 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
                                tmp_str);
                        break;
                }
-               /* Match PCI address, allows BDF0+pfx or BDFx+pfx. */
-               if (pci_dev->domain == pci_addr.domain &&
-                   pci_dev->bus == pci_addr.bus &&
-                   pci_dev->devid == pci_addr.devid &&
-                   ((pci_dev->function == 0 &&
-                     pci_dev->function + owner == pci_addr.function) ||
-                    (pci_dev->function == owner &&
-                     pci_addr.function == owner)))
-                       pf = info.port_name;
                /* Get ifindex. */
                snprintf(tmp_str, sizeof(tmp_str),
                         "/sys/class/net/%s/ifindex", ifname);
@@ -1994,6 +1816,30 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
                bond_info->ports[info.port_name].pci_addr = pci_addr;
                bond_info->ports[info.port_name].ifindex = ifindex;
                bond_info->n_port++;
+               /*
+                * Under socket direct mode, bonding will use
+                * system_image_guid as identification.
+                * After OFED 5.4, guid is readable (ret >= 0) under sysfs.
+                * All bonding members should have the same guid even if driver
+                * is using PCIe BDF.
+                */
+               ret = mlx5_get_device_guid(&pci_addr, guid, sizeof(guid));
+               if (ret < 0)
+                       break;
+               else if (ret > 0) {
+                       if (!memcmp(guid, cur_guid, sizeof(guid)) &&
+                           owner == info.port_name &&
+                           (owner != 0 || (owner == 0 &&
+                           !rte_pci_addr_cmp(pci_dev, &pci_addr))))
+                               pf = info.port_name;
+               } else if (pci_dev->domain == pci_addr.domain &&
+                   pci_dev->bus == pci_addr.bus &&
+                   pci_dev->devid == pci_addr.devid &&
+                   ((pci_dev->function == 0 &&
+                     pci_dev->function + owner == pci_addr.function) ||
+                    (pci_dev->function == owner &&
+                     pci_addr.function == owner)))
+                       pf = info.port_name;
        }
        if (pf >= 0) {
                /* Get bond interface info */
@@ -2006,29 +1852,14 @@ mlx5_device_bond_pci_match(const char *ibdev_name,
                        DRV_LOG(INFO, "PF device %u, bond device %u(%s)",
                                ifindex, bond_info->ifindex, bond_info->ifname);
        }
+       if (owner == 0 && pf != 0) {
+               DRV_LOG(INFO, "PCIe instance %04x:%02x:%02x.%x isn't bonding owner",
+                               pci_dev->domain, pci_dev->bus, pci_dev->devid,
+                               pci_dev->function);
+       }
        return pf;
 }
 
-static void
-mlx5_os_config_default(struct mlx5_dev_config *config)
-{
-       memset(config, 0, sizeof(*config));
-       config->mps = MLX5_ARG_UNSET;
-       config->rx_vec_en = 1;
-       config->txq_inline_max = MLX5_ARG_UNSET;
-       config->txq_inline_min = MLX5_ARG_UNSET;
-       config->txq_inline_mpw = MLX5_ARG_UNSET;
-       config->txqs_inline = MLX5_ARG_UNSET;
-       config->vf_nl_en = 1;
-       config->mprq.max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN;
-       config->mprq.min_rxqs_num = MLX5_MPRQ_MIN_RXQS;
-       config->dv_esw_en = 1;
-       config->dv_flow_en = 1;
-       config->decap_en = 1;
-       config->log_hp_size = MLX5_ARG_UNSET;
-       config->allow_duplicate_pattern = 1;
-}
-
 /**
  * Register a PCI device within bonding.
  *
@@ -2041,6 +1872,8 @@ mlx5_os_config_default(struct mlx5_dev_config *config)
  *   Requested ethdev device argument.
  * @param[in] owner_id
  *   Requested owner PF port ID within bonding device, default to 0.
+ * @param[in, out] mkvlist
+ *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
@@ -2048,7 +1881,7 @@ mlx5_os_config_default(struct mlx5_dev_config *config)
 static int
 mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
                     struct rte_eth_devargs *req_eth_da,
-                    uint16_t owner_id)
+                    uint16_t owner_id, struct mlx5_kvargs_ctrl *mkvlist)
 {
        struct ibv_device **ibv_list;
        /*
@@ -2077,8 +1910,6 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
        int bd = -1;
        struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(cdev->dev);
        struct mlx5_dev_spawn_data *list = NULL;
-       struct mlx5_dev_config dev_config;
-       unsigned int dev_config_vf;
        struct rte_eth_devargs eth_da = *req_eth_da;
        struct rte_pci_addr owner_pci = pci_dev->addr; /* Owner PF. */
        struct mlx5_bond_info bond_info;
@@ -2240,7 +2071,7 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
                                                /*
                                                 * Force standalone bonding
                                                 * device for ROCE LAG
-                                                * confgiurations.
+                                                * configurations.
                                                 */
                                                list[ns].info.master = 0;
                                                list[ns].info.representor = 0;
@@ -2399,21 +2230,6 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
         * (i.e. master first, then representors from lowest to highest ID).
         */
        qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
-       /* Device specific configuration. */
-       switch (pci_dev->id.device_id) {
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTX6VF:
-       case PCI_DEVICE_ID_MELLANOX_CONNECTXVF:
-               dev_config_vf = 1;
-               break;
-       default:
-               dev_config_vf = 0;
-               break;
-       }
        if (eth_da.type != RTE_ETH_REPRESENTOR_NONE) {
                /* Set devargs default values. */
                if (eth_da.nb_mh_controllers == 0) {
@@ -2435,11 +2251,8 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
        for (i = 0; i != ns; ++i) {
                uint32_t restore;
 
-               /* Default configuration. */
-               mlx5_os_config_default(&dev_config);
-               dev_config.vf = dev_config_vf;
-               list[i].eth_dev = mlx5_dev_spawn(cdev->dev, &list[i],
-                                                &dev_config, &eth_da);
+               list[i].eth_dev = mlx5_dev_spawn(cdev->dev, &list[i], &eth_da,
+                                                mkvlist);
                if (!list[i].eth_dev) {
                        if (rte_errno != EBUSY && rte_errno != EEXIST)
                                break;
@@ -2458,11 +2271,9 @@ mlx5_os_pci_probe_pf(struct mlx5_common_device *cdev,
                 * Representor interrupts handle is released in mlx5_dev_stop().
                 */
                if (list[i].info.representor) {
-                       struct rte_intr_handle *intr_handle;
-                       intr_handle = mlx5_malloc(MLX5_MEM_SYS | MLX5_MEM_ZERO,
-                                                 sizeof(*intr_handle), 0,
-                                                 SOCKET_ID_ANY);
-                       if (!intr_handle) {
+                       struct rte_intr_handle *intr_handle =
+                               rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED);
+                       if (intr_handle == NULL) {
                                DRV_LOG(ERR,
                                        "port %u failed to allocate memory for interrupt handler "
                                        "Rx interrupts will not be supported",
@@ -2553,12 +2364,15 @@ mlx5_os_parse_eth_devargs(struct rte_device *dev,
  *
  * @param[in] cdev
  *   Pointer to common mlx5 device structure.
+ * @param[in, out] mkvlist
+ *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_os_pci_probe(struct mlx5_common_device *cdev)
+mlx5_os_pci_probe(struct mlx5_common_device *cdev,
+                 struct mlx5_kvargs_ctrl *mkvlist)
 {
        struct rte_pci_device *pci_dev = RTE_DEV_TO_PCI(cdev->dev);
        struct rte_eth_devargs eth_da = { .nb_ports = 0 };
@@ -2573,30 +2387,30 @@ mlx5_os_pci_probe(struct mlx5_common_device *cdev)
                /* Iterate all port if devargs pf is range: "pf[0-1]vf[...]". */
                for (p = 0; p < eth_da.nb_ports; p++) {
                        ret = mlx5_os_pci_probe_pf(cdev, &eth_da,
-                                                  eth_da.ports[p]);
+                                                  eth_da.ports[p], mkvlist);
                        if (ret)
                                break;
                }
                if (ret) {
                        DRV_LOG(ERR, "Probe of PCI device " PCI_PRI_FMT " "
-                               "aborted due to proding failure of PF %u",
+                               "aborted due to prodding failure of PF %u",
                                pci_dev->addr.domain, pci_dev->addr.bus,
                                pci_dev->addr.devid, pci_dev->addr.function,
                                eth_da.ports[p]);
                        mlx5_net_remove(cdev);
                }
        } else {
-               ret = mlx5_os_pci_probe_pf(cdev, &eth_da, 0);
+               ret = mlx5_os_pci_probe_pf(cdev, &eth_da, 0, mkvlist);
        }
        return ret;
 }
 
 /* Probe a single SF device on auxiliary bus, no representor support. */
 static int
-mlx5_os_auxiliary_probe(struct mlx5_common_device *cdev)
+mlx5_os_auxiliary_probe(struct mlx5_common_device *cdev,
+                       struct mlx5_kvargs_ctrl *mkvlist)
 {
        struct rte_eth_devargs eth_da = { .nb_ports = 0 };
-       struct mlx5_dev_config config;
        struct mlx5_dev_spawn_data spawn = { .pf_bond = -1 };
        struct rte_device *dev = cdev->dev;
        struct rte_auxiliary_device *adev = RTE_DEV_TO_AUXILIARY(dev);
@@ -2607,9 +2421,6 @@ mlx5_os_auxiliary_probe(struct mlx5_common_device *cdev)
        ret = mlx5_os_parse_eth_devargs(dev, &eth_da);
        if (ret != 0)
                return ret;
-       /* Set default config data. */
-       mlx5_os_config_default(&config);
-       config.sf = 1;
        /* Init spawn data. */
        spawn.max_port = 1;
        spawn.phys_port = 1;
@@ -2622,11 +2433,11 @@ mlx5_os_auxiliary_probe(struct mlx5_common_device *cdev)
        spawn.ifindex = ret;
        spawn.cdev = cdev;
        /* Spawn device. */
-       eth_dev = mlx5_dev_spawn(dev, &spawn, &config, &eth_da);
+       eth_dev = mlx5_dev_spawn(dev, &spawn, &eth_da, mkvlist);
        if (eth_dev == NULL)
                return -rte_errno;
        /* Post create. */
-       eth_dev->intr_handle = &adev->intr_handle;
+       eth_dev->intr_handle = adev->intr_handle;
        if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
                eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
                eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_RMV;
@@ -2643,12 +2454,15 @@ mlx5_os_auxiliary_probe(struct mlx5_common_device *cdev)
  *
  * @param[in] cdev
  *   Pointer to the common mlx5 device.
+ * @param[in, out] mkvlist
+ *   Pointer to mlx5 kvargs control, can be NULL if there is no devargs.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 int
-mlx5_os_net_probe(struct mlx5_common_device *cdev)
+mlx5_os_net_probe(struct mlx5_common_device *cdev,
+                 struct mlx5_kvargs_ctrl *mkvlist)
 {
        int ret;
 
@@ -2660,10 +2474,16 @@ mlx5_os_net_probe(struct mlx5_common_device *cdev)
                        strerror(rte_errno));
                return -rte_errno;
        }
+       ret = mlx5_probe_again_args_validate(cdev, mkvlist);
+       if (ret) {
+               DRV_LOG(ERR, "Probe again parameters are not compatible : %s",
+                       strerror(rte_errno));
+               return -rte_errno;
+       }
        if (mlx5_dev_is_pci(cdev->dev))
-               return mlx5_os_pci_probe(cdev);
+               return mlx5_os_pci_probe(cdev, mkvlist);
        else
-               return mlx5_os_auxiliary_probe(cdev);
+               return mlx5_os_auxiliary_probe(cdev, mkvlist);
 }
 
 /**
@@ -2690,24 +2510,38 @@ mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
        int flags;
        struct ibv_context *ctx = sh->cdev->ctx;
 
-       sh->intr_handle.fd = -1;
+       sh->intr_handle = rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED);
+       if (sh->intr_handle == NULL) {
+               DRV_LOG(ERR, "Fail to allocate intr_handle");
+               rte_errno = ENOMEM;
+               return;
+       }
+       rte_intr_fd_set(sh->intr_handle, -1);
+
        flags = fcntl(ctx->async_fd, F_GETFL);
        ret = fcntl(ctx->async_fd, F_SETFL, flags | O_NONBLOCK);
        if (ret) {
                DRV_LOG(INFO, "failed to change file descriptor async event"
                        " queue");
        } else {
-               sh->intr_handle.fd = ctx->async_fd;
-               sh->intr_handle.type = RTE_INTR_HANDLE_EXT;
-               if (rte_intr_callback_register(&sh->intr_handle,
+               rte_intr_fd_set(sh->intr_handle, ctx->async_fd);
+               rte_intr_type_set(sh->intr_handle, RTE_INTR_HANDLE_EXT);
+               if (rte_intr_callback_register(sh->intr_handle,
                                        mlx5_dev_interrupt_handler, sh)) {
                        DRV_LOG(INFO, "Fail to install the shared interrupt.");
-                       sh->intr_handle.fd = -1;
+                       rte_intr_fd_set(sh->intr_handle, -1);
                }
        }
-       if (sh->devx) {
+       if (sh->cdev->config.devx) {
 #ifdef HAVE_IBV_DEVX_ASYNC
-               sh->intr_handle_devx.fd = -1;
+               sh->intr_handle_devx =
+                       rte_intr_instance_alloc(RTE_INTR_INSTANCE_F_SHARED);
+               if (!sh->intr_handle_devx) {
+                       DRV_LOG(ERR, "Fail to allocate intr_handle");
+                       rte_errno = ENOMEM;
+                       return;
+               }
+               rte_intr_fd_set(sh->intr_handle_devx, -1);
                sh->devx_comp = (void *)mlx5_glue->devx_create_cmd_comp(ctx);
                struct mlx5dv_devx_cmd_comp *devx_comp = sh->devx_comp;
                if (!devx_comp) {
@@ -2721,13 +2555,14 @@ mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
                                " devx comp");
                        return;
                }
-               sh->intr_handle_devx.fd = devx_comp->fd;
-               sh->intr_handle_devx.type = RTE_INTR_HANDLE_EXT;
-               if (rte_intr_callback_register(&sh->intr_handle_devx,
+               rte_intr_fd_set(sh->intr_handle_devx, devx_comp->fd);
+               rte_intr_type_set(sh->intr_handle_devx,
+                                        RTE_INTR_HANDLE_EXT);
+               if (rte_intr_callback_register(sh->intr_handle_devx,
                                        mlx5_dev_interrupt_handler_devx, sh)) {
                        DRV_LOG(INFO, "Fail to install the devx shared"
                                " interrupt.");
-                       sh->intr_handle_devx.fd = -1;
+                       rte_intr_fd_set(sh->intr_handle_devx, -1);
                }
 #endif /* HAVE_IBV_DEVX_ASYNC */
        }
@@ -2744,13 +2579,15 @@ mlx5_os_dev_shared_handler_install(struct mlx5_dev_ctx_shared *sh)
 void
 mlx5_os_dev_shared_handler_uninstall(struct mlx5_dev_ctx_shared *sh)
 {
-       if (sh->intr_handle.fd >= 0)
-               mlx5_intr_callback_unregister(&sh->intr_handle,
+       if (rte_intr_fd_get(sh->intr_handle) >= 0)
+               mlx5_intr_callback_unregister(sh->intr_handle,
                                              mlx5_dev_interrupt_handler, sh);
+       rte_intr_instance_free(sh->intr_handle);
 #ifdef HAVE_IBV_DEVX_ASYNC
-       if (sh->intr_handle_devx.fd >= 0)
-               rte_intr_callback_unregister(&sh->intr_handle_devx,
+       if (rte_intr_fd_get(sh->intr_handle_devx) >= 0)
+               rte_intr_callback_unregister(sh->intr_handle_devx,
                                  mlx5_dev_interrupt_handler_devx, sh);
+       rte_intr_instance_free(sh->intr_handle_devx);
        if (sh->devx_comp)
                mlx5_glue->devx_destroy_cmd_comp(sh->devx_comp);
 #endif
@@ -2823,7 +2660,7 @@ void
 mlx5_os_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
-       const int vf = priv->config.vf;
+       const int vf = priv->sh->dev_cap.vf;
 
        if (vf)
                mlx5_nl_mac_addr_remove(priv->nl_socket_route,
@@ -2849,7 +2686,7 @@ mlx5_os_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac,
                     uint32_t index)
 {
        struct mlx5_priv *priv = dev->data->dev_private;
-       const int vf = priv->config.vf;
+       const int vf = priv->sh->dev_cap.vf;
        int ret = 0;
 
        if (vf)