net: add rte prefix to ether structures
[dpdk.git] / drivers / net / mlx5 / mlx5.c
index f17bd08..2798e0e 100644 (file)
@@ -13,7 +13,6 @@
 #include <errno.h>
 #include <net/if.h>
 #include <sys/mman.h>
-#include <linux/netlink.h>
 #include <linux/rtnetlink.h>
 
 /* Verbs header. */
 #include "mlx5_defs.h"
 #include "mlx5_glue.h"
 #include "mlx5_mr.h"
+#include "mlx5_flow.h"
 
 /* Device parameter to enable RX completion queue compression. */
 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
 
+/* Device parameter to enable RX completion entry padding to 128B. */
+#define MLX5_RXQ_CQE_PAD_EN "rxq_cqe_pad_en"
+
+/* Device parameter to enable padding Rx packet to cacheline size. */
+#define MLX5_RXQ_PKT_PAD_EN "rxq_pkt_pad_en"
+
 /* Device parameter to enable Multi-Packet Rx queue. */
 #define MLX5_RX_MPRQ_EN "mprq_en"
 
  */
 #define MLX5_TXQS_MIN_INLINE "txqs_min_inline"
 
+/*
+ * Device parameter to configure the number of TX queues threshold for
+ * enabling vectorized Tx.
+ */
+#define MLX5_TXQS_MAX_VEC "txqs_max_vec"
+
 /* Device parameter to enable multi-packet send WQEs. */
 #define MLX5_TXQ_MPW_EN "txq_mpw_en"
 
 /* Allow L3 VXLAN flow creation. */
 #define MLX5_L3_VXLAN_EN "l3_vxlan_en"
 
+/* Activate DV E-Switch flow steering. */
+#define MLX5_DV_ESW_EN "dv_esw_en"
+
+/* Activate DV flow steering. */
+#define MLX5_DV_FLOW_EN "dv_flow_en"
+
 /* Activate Netlink support in VF mode. */
 #define MLX5_VF_NL_EN "vf_nl_en"
 
+/* Enable extending memsegs when creating a MR. */
+#define MLX5_MR_EXT_MEMSEG_EN "mr_ext_memseg_en"
+
+/* Select port representors to instantiate. */
+#define MLX5_REPRESENTOR "representor"
+
 #ifndef HAVE_IBV_MLX5_MOD_MPW
 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
@@ -109,16 +133,342 @@ struct mlx5_shared_data *mlx5_shared_data;
 /* Spinlock for mlx5_shared_data allocation. */
 static rte_spinlock_t mlx5_shared_data_lock = RTE_SPINLOCK_INITIALIZER;
 
+/* Process local data for secondary processes. */
+static struct mlx5_local_data mlx5_local_data;
+
 /** Driver-specific log messages type. */
 int mlx5_logtype;
 
+/** Data associated with devices to spawn. */
+struct mlx5_dev_spawn_data {
+       uint32_t ifindex; /**< Network interface index. */
+       uint32_t max_port; /**< IB device maximal port index. */
+       uint32_t ibv_port; /**< IB device physical port index. */
+       struct mlx5_switch_info info; /**< Switch information. */
+       struct ibv_device *ibv_dev; /**< Associated IB device. */
+       struct rte_eth_dev *eth_dev; /**< Associated Ethernet device. */
+       struct rte_pci_device *pci_dev; /**< Backend PCI device. */
+};
+
+static LIST_HEAD(, mlx5_ibv_shared) mlx5_ibv_list = LIST_HEAD_INITIALIZER();
+static pthread_mutex_t mlx5_ibv_list_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+/**
+ * Allocate shared IB device context. If there is multiport device the
+ * master and representors will share this context, if there is single
+ * port dedicated IB device, the context will be used by only given
+ * port due to unification.
+ *
+ * Routine first searches the context for the specified IB device name,
+ * if found the shared context assumed and reference counter is incremented.
+ * If no context found the new one is created and initialized with specified
+ * IB device context and parameters.
+ *
+ * @param[in] spawn
+ *   Pointer to the IB device attributes (name, port, etc).
+ *
+ * @return
+ *   Pointer to mlx5_ibv_shared object on success,
+ *   otherwise NULL and rte_errno is set.
+ */
+static struct mlx5_ibv_shared *
+mlx5_alloc_shared_ibctx(const struct mlx5_dev_spawn_data *spawn)
+{
+       struct mlx5_ibv_shared *sh;
+       int err = 0;
+       uint32_t i;
+
+       assert(spawn);
+       /* Secondary process should not create the shared context. */
+       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       pthread_mutex_lock(&mlx5_ibv_list_mutex);
+       /* Search for IB context by device name. */
+       LIST_FOREACH(sh, &mlx5_ibv_list, next) {
+               if (!strcmp(sh->ibdev_name, spawn->ibv_dev->name)) {
+                       sh->refcnt++;
+                       goto exit;
+               }
+       }
+       /* No device found, we have to create new shared context. */
+       assert(spawn->max_port);
+       sh = rte_zmalloc("ethdev shared ib context",
+                        sizeof(struct mlx5_ibv_shared) +
+                        spawn->max_port *
+                        sizeof(struct mlx5_ibv_shared_port),
+                        RTE_CACHE_LINE_SIZE);
+       if (!sh) {
+               DRV_LOG(ERR, "shared context allocation failure");
+               rte_errno  = ENOMEM;
+               goto exit;
+       }
+       /* Try to open IB device with DV first, then usual Verbs. */
+       errno = 0;
+       sh->ctx = mlx5_glue->dv_open_device(spawn->ibv_dev);
+       if (sh->ctx) {
+               sh->devx = 1;
+               DRV_LOG(DEBUG, "DevX is supported");
+       } else {
+               sh->ctx = mlx5_glue->open_device(spawn->ibv_dev);
+               if (!sh->ctx) {
+                       err = errno ? errno : ENODEV;
+                       goto error;
+               }
+               DRV_LOG(DEBUG, "DevX is NOT supported");
+       }
+       err = mlx5_glue->query_device_ex(sh->ctx, NULL, &sh->device_attr);
+       if (err) {
+               DRV_LOG(DEBUG, "ibv_query_device_ex() failed");
+               goto error;
+       }
+       sh->refcnt = 1;
+       sh->max_port = spawn->max_port;
+       strncpy(sh->ibdev_name, sh->ctx->device->name,
+               sizeof(sh->ibdev_name));
+       strncpy(sh->ibdev_path, sh->ctx->device->ibdev_path,
+               sizeof(sh->ibdev_path));
+       sh->pci_dev = spawn->pci_dev;
+       pthread_mutex_init(&sh->intr_mutex, NULL);
+       /*
+        * Setting port_id to max unallowed value means
+        * there is no interrupt subhandler installed for
+        * the given port index i.
+        */
+       for (i = 0; i < sh->max_port; i++)
+               sh->port[i].ih_port_id = RTE_MAX_ETHPORTS;
+       sh->pd = mlx5_glue->alloc_pd(sh->ctx);
+       if (sh->pd == NULL) {
+               DRV_LOG(ERR, "PD allocation failure");
+               err = ENOMEM;
+               goto error;
+       }
+       /*
+        * Once the device is added to the list of memory event
+        * callback, its global MR cache table cannot be expanded
+        * on the fly because of deadlock. If it overflows, lookup
+        * should be done by searching MR list linearly, which is slow.
+        *
+        * At this point the device is not added to the memory
+        * event list yet, context is just being created.
+        */
+       err = mlx5_mr_btree_init(&sh->mr.cache,
+                                MLX5_MR_BTREE_CACHE_N * 2,
+                                sh->pci_dev->device.numa_node);
+       if (err) {
+               err = rte_errno;
+               goto error;
+       }
+       LIST_INSERT_HEAD(&mlx5_ibv_list, sh, next);
+exit:
+       pthread_mutex_unlock(&mlx5_ibv_list_mutex);
+       return sh;
+error:
+       pthread_mutex_unlock(&mlx5_ibv_list_mutex);
+       assert(sh);
+       if (sh->pd)
+               claim_zero(mlx5_glue->dealloc_pd(sh->pd));
+       if (sh->ctx)
+               claim_zero(mlx5_glue->close_device(sh->ctx));
+       rte_free(sh);
+       assert(err > 0);
+       rte_errno = err;
+       return NULL;
+}
+
 /**
- * Prepare shared data between primary and secondary process.
+ * Free shared IB device context. Decrement counter and if zero free
+ * all allocated resources and close handles.
+ *
+ * @param[in] sh
+ *   Pointer to mlx5_ibv_shared object to free
+ */
+static void
+mlx5_free_shared_ibctx(struct mlx5_ibv_shared *sh)
+{
+       pthread_mutex_lock(&mlx5_ibv_list_mutex);
+#ifndef NDEBUG
+       /* Check the object presence in the list. */
+       struct mlx5_ibv_shared *lctx;
+
+       LIST_FOREACH(lctx, &mlx5_ibv_list, next)
+               if (lctx == sh)
+                       break;
+       assert(lctx);
+       if (lctx != sh) {
+               DRV_LOG(ERR, "Freeing non-existing shared IB context");
+               goto exit;
+       }
+#endif
+       assert(sh);
+       assert(sh->refcnt);
+       /* Secondary process should not free the shared context. */
+       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       if (--sh->refcnt)
+               goto exit;
+       /* Release created Memory Regions. */
+       mlx5_mr_release(sh);
+       LIST_REMOVE(sh, next);
+       /*
+        *  Ensure there is no async event handler installed.
+        *  Only primary process handles async device events.
+        **/
+       assert(!sh->intr_cnt);
+       if (sh->intr_cnt)
+               rte_intr_callback_unregister
+                       (&sh->intr_handle, mlx5_dev_interrupt_handler, sh);
+       pthread_mutex_destroy(&sh->intr_mutex);
+       if (sh->pd)
+               claim_zero(mlx5_glue->dealloc_pd(sh->pd));
+       if (sh->ctx)
+               claim_zero(mlx5_glue->close_device(sh->ctx));
+       rte_free(sh);
+exit:
+       pthread_mutex_unlock(&mlx5_ibv_list_mutex);
+}
+
+/**
+ * Initialize DR related data within private structure.
+ * Routine checks the reference counter and does actual
+ * resources creation/initialization only if counter is zero.
+ *
+ * @param[in] priv
+ *   Pointer to the private device data structure.
+ *
+ * @return
+ *   Zero on success, positive error code otherwise.
+ */
+static int
+mlx5_alloc_shared_dr(struct mlx5_priv *priv)
+{
+#ifdef HAVE_MLX5DV_DR
+       struct mlx5_ibv_shared *sh = priv->sh;
+       int err = 0;
+       void *domain;
+
+       assert(sh);
+       if (sh->dv_refcnt) {
+               /* Shared DV/DR structures is already initialized. */
+               sh->dv_refcnt++;
+               priv->dr_shared = 1;
+               return 0;
+       }
+       /* Reference counter is zero, we should initialize structures. */
+       domain = mlx5_glue->dr_create_domain(sh->ctx,
+                                            MLX5DV_DR_DOMAIN_TYPE_NIC_RX);
+       if (!domain) {
+               DRV_LOG(ERR, "ingress mlx5dv_dr_create_domain failed");
+               err = errno;
+               goto error;
+       }
+       sh->rx_domain = domain;
+       domain = mlx5_glue->dr_create_domain(sh->ctx,
+                                            MLX5DV_DR_DOMAIN_TYPE_NIC_TX);
+       if (!domain) {
+               DRV_LOG(ERR, "egress mlx5dv_dr_create_domain failed");
+               err = errno;
+               goto error;
+       }
+       pthread_mutex_init(&sh->dv_mutex, NULL);
+       sh->tx_domain = domain;
+#ifdef HAVE_MLX5DV_DR_ESWITCH
+       if (priv->config.dv_esw_en) {
+               domain  = mlx5_glue->dr_create_domain
+                       (sh->ctx, MLX5DV_DR_DOMAIN_TYPE_FDB);
+               if (!domain) {
+                       DRV_LOG(ERR, "FDB mlx5dv_dr_create_domain failed");
+                       err = errno;
+                       goto error;
+               }
+               sh->fdb_domain = domain;
+               sh->esw_drop_action = mlx5_glue->dr_create_flow_action_drop();
+       }
+#endif
+       sh->dv_refcnt++;
+       priv->dr_shared = 1;
+       return 0;
+
+error:
+       /* Rollback the created objects. */
+       if (sh->rx_domain) {
+               mlx5_glue->dr_destroy_domain(sh->rx_domain);
+               sh->rx_domain = NULL;
+       }
+       if (sh->tx_domain) {
+               mlx5_glue->dr_destroy_domain(sh->tx_domain);
+               sh->tx_domain = NULL;
+       }
+       if (sh->fdb_domain) {
+               mlx5_glue->dr_destroy_domain(sh->fdb_domain);
+               sh->fdb_domain = NULL;
+       }
+       if (sh->esw_drop_action) {
+               mlx5_glue->destroy_flow_action(sh->esw_drop_action);
+               sh->esw_drop_action = NULL;
+       }
+       return err;
+#else
+       (void)priv;
+       return 0;
+#endif
+}
+
+/**
+ * Destroy DR related data within private structure.
+ *
+ * @param[in] priv
+ *   Pointer to the private device data structure.
  */
 static void
-mlx5_prepare_shared_data(void)
+mlx5_free_shared_dr(struct mlx5_priv *priv)
+{
+#ifdef HAVE_MLX5DV_DR
+       struct mlx5_ibv_shared *sh;
+
+       if (!priv->dr_shared)
+               return;
+       priv->dr_shared = 0;
+       sh = priv->sh;
+       assert(sh);
+       assert(sh->dv_refcnt);
+       if (sh->dv_refcnt && --sh->dv_refcnt)
+               return;
+       if (sh->rx_domain) {
+               mlx5_glue->dr_destroy_domain(sh->rx_domain);
+               sh->rx_domain = NULL;
+       }
+       if (sh->tx_domain) {
+               mlx5_glue->dr_destroy_domain(sh->tx_domain);
+               sh->tx_domain = NULL;
+       }
+#ifdef HAVE_MLX5DV_DR_ESWITCH
+       if (sh->fdb_domain) {
+               mlx5_glue->dr_destroy_domain(sh->fdb_domain);
+               sh->fdb_domain = NULL;
+       }
+       if (sh->esw_drop_action) {
+               mlx5_glue->destroy_flow_action(sh->esw_drop_action);
+               sh->esw_drop_action = NULL;
+       }
+#endif
+       pthread_mutex_destroy(&sh->dv_mutex);
+#else
+       (void)priv;
+#endif
+}
+
+/**
+ * Initialize shared data between primary and secondary process.
+ *
+ * A memzone is reserved by primary process and secondary processes attach to
+ * the memzone.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_init_shared_data(void)
 {
        const struct rte_memzone *mz;
+       int ret = 0;
 
        rte_spinlock_lock(&mlx5_shared_data_lock);
        if (mlx5_shared_data == NULL) {
@@ -127,22 +477,31 @@ mlx5_prepare_shared_data(void)
                        mz = rte_memzone_reserve(MZ_MLX5_PMD_SHARED_DATA,
                                                 sizeof(*mlx5_shared_data),
                                                 SOCKET_ID_ANY, 0);
+                       if (mz == NULL) {
+                               DRV_LOG(ERR,
+                                       "Cannot allocate mlx5 shared data\n");
+                               ret = -rte_errno;
+                               goto error;
+                       }
+                       mlx5_shared_data = mz->addr;
+                       memset(mlx5_shared_data, 0, sizeof(*mlx5_shared_data));
+                       rte_spinlock_init(&mlx5_shared_data->lock);
                } else {
                        /* Lookup allocated shared memory. */
                        mz = rte_memzone_lookup(MZ_MLX5_PMD_SHARED_DATA);
+                       if (mz == NULL) {
+                               DRV_LOG(ERR,
+                                       "Cannot attach mlx5 shared data\n");
+                               ret = -rte_errno;
+                               goto error;
+                       }
+                       mlx5_shared_data = mz->addr;
+                       memset(&mlx5_local_data, 0, sizeof(mlx5_local_data));
                }
-               if (mz == NULL)
-                       rte_panic("Cannot allocate mlx5 shared data\n");
-               mlx5_shared_data = mz->addr;
-               /* Initialize shared data. */
-               if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
-                       LIST_INIT(&mlx5_shared_data->mem_event_cb_list);
-                       rte_rwlock_init(&mlx5_shared_data->mem_event_rwlock);
-               }
-               rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
-                                               mlx5_mr_mem_event_cb, NULL);
        }
+error:
        rte_spinlock_unlock(&mlx5_shared_data_lock);
+       return ret;
 }
 
 /**
@@ -181,7 +540,7 @@ mlx5_getenv_int(const char *name)
 static void *
 mlx5_alloc_verbs_buf(size_t size, void *data)
 {
-       struct priv *priv = data;
+       struct mlx5_priv *priv = data;
        void *ret;
        size_t alignment = sysconf(_SC_PAGESIZE);
        unsigned int socket = SOCKET_ID_ANY;
@@ -218,6 +577,54 @@ mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
        rte_free(ptr);
 }
 
+/**
+ * Initialize process private data structure.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ *
+ * @return
+ *   0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_proc_priv_init(struct rte_eth_dev *dev)
+{
+       struct mlx5_priv *priv = dev->data->dev_private;
+       struct mlx5_proc_priv *ppriv;
+       size_t ppriv_size;
+
+       /*
+        * UAR register table follows the process private structure. BlueFlame
+        * registers for Tx queues are stored in the table.
+        */
+       ppriv_size =
+               sizeof(struct mlx5_proc_priv) + priv->txqs_n * sizeof(void *);
+       ppriv = rte_malloc_socket("mlx5_proc_priv", ppriv_size,
+                                 RTE_CACHE_LINE_SIZE, dev->device->numa_node);
+       if (!ppriv) {
+               rte_errno = ENOMEM;
+               return -rte_errno;
+       }
+       ppriv->uar_table_sz = ppriv_size;
+       dev->process_private = ppriv;
+       return 0;
+}
+
+/**
+ * Un-initialize process private data structure.
+ *
+ * @param dev
+ *   Pointer to Ethernet device structure.
+ */
+static void
+mlx5_proc_priv_uninit(struct rte_eth_dev *dev)
+{
+       if (!dev->process_private)
+               return;
+       rte_free(dev->process_private);
+       dev->process_private = NULL;
+}
+
 /**
  * DPDK callback to close the device.
  *
@@ -229,19 +636,23 @@ mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
 static void
 mlx5_dev_close(struct rte_eth_dev *dev)
 {
-       struct priv *priv = dev->data->dev_private;
+       struct mlx5_priv *priv = dev->data->dev_private;
        unsigned int i;
        int ret;
 
        DRV_LOG(DEBUG, "port %u closing device \"%s\"",
                dev->data->port_id,
-               ((priv->ctx != NULL) ? priv->ctx->device->name : ""));
+               ((priv->sh->ctx != NULL) ? priv->sh->ctx->device->name : ""));
        /* In case mlx5_dev_stop() has not been called. */
        mlx5_dev_interrupt_handler_uninstall(dev);
        mlx5_traffic_disable(dev);
+       mlx5_flow_flush(dev, NULL);
        /* Prevent crashes when queues are still in use. */
        dev->rx_pkt_burst = removed_rx_burst;
        dev->tx_pkt_burst = removed_tx_burst;
+       rte_wmb();
+       /* Disable datapath on secondary process. */
+       mlx5_mp_req_stop_rxtx(dev);
        if (priv->rxqs != NULL) {
                /* XXX race condition if mlx5_rx_burst() is still running. */
                usleep(1000);
@@ -258,27 +669,36 @@ mlx5_dev_close(struct rte_eth_dev *dev)
                priv->txqs_n = 0;
                priv->txqs = NULL;
        }
-       mlx5_flow_delete_drop_queue(dev);
+       mlx5_proc_priv_uninit(dev);
        mlx5_mprq_free_mp(dev);
-       mlx5_mr_release(dev);
-       if (priv->pd != NULL) {
-               assert(priv->ctx != NULL);
-               claim_zero(mlx5_glue->dealloc_pd(priv->pd));
-               claim_zero(mlx5_glue->close_device(priv->ctx));
-       } else
-               assert(priv->ctx == NULL);
+       /* Remove from memory callback device list. */
+       rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
+       assert(priv->sh);
+       LIST_REMOVE(priv->sh, mem_event_cb);
+       rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
+       mlx5_free_shared_dr(priv);
        if (priv->rss_conf.rss_key != NULL)
                rte_free(priv->rss_conf.rss_key);
        if (priv->reta_idx != NULL)
                rte_free(priv->reta_idx);
-       if (priv->primary_socket)
-               mlx5_socket_uninit(dev);
        if (priv->config.vf)
                mlx5_nl_mac_addr_flush(dev);
        if (priv->nl_socket_route >= 0)
                close(priv->nl_socket_route);
        if (priv->nl_socket_rdma >= 0)
                close(priv->nl_socket_rdma);
+       if (priv->tcf_context)
+               mlx5_flow_tcf_context_destroy(priv->tcf_context);
+       if (priv->sh) {
+               /*
+                * Free the shared context in last turn, because the cleanup
+                * routines above may use some shared fields, like
+                * mlx5_nl_mac_addr_flush() uses ibdev_path for retrieveing
+                * ifindex if Netlink fails.
+                */
+               mlx5_free_shared_ibctx(priv->sh);
+               priv->sh = NULL;
+       }
        ret = mlx5_hrxq_ibv_verify(dev);
        if (ret)
                DRV_LOG(WARNING, "port %u some hash Rx queue still remain",
@@ -309,17 +729,15 @@ mlx5_dev_close(struct rte_eth_dev *dev)
                        dev->data->port_id);
        if (priv->domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
                unsigned int c = 0;
-               unsigned int i = mlx5_dev_to_port_id(dev->device, NULL, 0);
-               uint16_t port_id[i];
+               uint16_t port_id;
 
-               i = RTE_MIN(mlx5_dev_to_port_id(dev->device, port_id, i), i);
-               while (i--) {
-                       struct priv *opriv =
-                               rte_eth_devices[port_id[i]].data->dev_private;
+               RTE_ETH_FOREACH_DEV_OF(port_id, dev->device) {
+                       struct mlx5_priv *opriv =
+                               rte_eth_devices[port_id].data->dev_private;
 
                        if (!opriv ||
                            opriv->domain_id != priv->domain_id ||
-                           &rte_eth_devices[port_id[i]] == dev)
+                           &rte_eth_devices[port_id] == dev)
                                continue;
                        ++c;
                }
@@ -328,6 +746,12 @@ mlx5_dev_close(struct rte_eth_dev *dev)
        }
        memset(priv, 0, sizeof(*priv));
        priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
+       /*
+        * Reset mac_addrs to NULL such that it is not freed as part of
+        * rte_eth_dev_release_port(). mac_addrs is part of dev_private so
+        * it is freed when dev_private is freed.
+        */
+       dev->data->mac_addrs = NULL;
 }
 
 const struct eth_dev_ops mlx5_dev_ops = {
@@ -347,6 +771,7 @@ const struct eth_dev_ops mlx5_dev_ops = {
        .xstats_get = mlx5_xstats_get,
        .xstats_reset = mlx5_xstats_reset,
        .xstats_get_names = mlx5_xstats_get_names,
+       .fw_version_get = mlx5_fw_version_get,
        .dev_infos_get = mlx5_dev_infos_get,
        .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
        .vlan_filter_set = mlx5_vlan_filter_set,
@@ -370,23 +795,26 @@ const struct eth_dev_ops mlx5_dev_ops = {
        .filter_ctrl = mlx5_dev_filter_ctrl,
        .rx_descriptor_status = mlx5_rx_descriptor_status,
        .tx_descriptor_status = mlx5_tx_descriptor_status,
+       .rx_queue_count = mlx5_rx_queue_count,
        .rx_queue_intr_enable = mlx5_rx_intr_enable,
        .rx_queue_intr_disable = mlx5_rx_intr_disable,
        .is_removed = mlx5_is_removed,
 };
 
+/* Available operations from secondary process. */
 static const struct eth_dev_ops mlx5_dev_sec_ops = {
        .stats_get = mlx5_stats_get,
        .stats_reset = mlx5_stats_reset,
        .xstats_get = mlx5_xstats_get,
        .xstats_reset = mlx5_xstats_reset,
        .xstats_get_names = mlx5_xstats_get_names,
+       .fw_version_get = mlx5_fw_version_get,
        .dev_infos_get = mlx5_dev_infos_get,
        .rx_descriptor_status = mlx5_rx_descriptor_status,
        .tx_descriptor_status = mlx5_tx_descriptor_status,
 };
 
-/* Available operators in flow isolated mode. */
+/* Available operations in flow isolated mode. */
 const struct eth_dev_ops mlx5_dev_ops_isolate = {
        .dev_configure = mlx5_dev_configure,
        .dev_start = mlx5_dev_start,
@@ -394,12 +822,17 @@ const struct eth_dev_ops mlx5_dev_ops_isolate = {
        .dev_set_link_down = mlx5_set_link_down,
        .dev_set_link_up = mlx5_set_link_up,
        .dev_close = mlx5_dev_close,
+       .promiscuous_enable = mlx5_promiscuous_enable,
+       .promiscuous_disable = mlx5_promiscuous_disable,
+       .allmulticast_enable = mlx5_allmulticast_enable,
+       .allmulticast_disable = mlx5_allmulticast_disable,
        .link_update = mlx5_link_update,
        .stats_get = mlx5_stats_get,
        .stats_reset = mlx5_stats_reset,
        .xstats_get = mlx5_xstats_get,
        .xstats_reset = mlx5_xstats_reset,
        .xstats_get_names = mlx5_xstats_get_names,
+       .fw_version_get = mlx5_fw_version_get,
        .dev_infos_get = mlx5_dev_infos_get,
        .dev_supported_ptypes_get = mlx5_dev_supported_ptypes_get,
        .vlan_filter_set = mlx5_vlan_filter_set,
@@ -443,6 +876,9 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
        struct mlx5_dev_config *config = opaque;
        unsigned long tmp;
 
+       /* No-op, port representors are processed in mlx5_dev_spawn(). */
+       if (!strcmp(MLX5_REPRESENTOR, key))
+               return 0;
        errno = 0;
        tmp = strtoul(val, NULL, 0);
        if (errno) {
@@ -452,6 +888,10 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
        }
        if (strcmp(MLX5_RXQ_CQE_COMP_EN, key) == 0) {
                config->cqe_comp = !!tmp;
+       } else if (strcmp(MLX5_RXQ_CQE_PAD_EN, key) == 0) {
+               config->cqe_pad = !!tmp;
+       } else if (strcmp(MLX5_RXQ_PKT_PAD_EN, key) == 0) {
+               config->hw_padding = !!tmp;
        } else if (strcmp(MLX5_RX_MPRQ_EN, key) == 0) {
                config->mprq.enabled = !!tmp;
        } else if (strcmp(MLX5_RX_MPRQ_LOG_STRIDE_NUM, key) == 0) {
@@ -464,8 +904,10 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
                config->txq_inline = tmp;
        } else if (strcmp(MLX5_TXQS_MIN_INLINE, key) == 0) {
                config->txqs_inline = tmp;
+       } else if (strcmp(MLX5_TXQS_MAX_VEC, key) == 0) {
+               config->txqs_vec = tmp;
        } else if (strcmp(MLX5_TXQ_MPW_EN, key) == 0) {
-               config->mps = !!tmp ? config->mps : 0;
+               config->mps = !!tmp;
        } else if (strcmp(MLX5_TXQ_MPW_HDR_DSEG_EN, key) == 0) {
                config->mpw_hdr_dseg = !!tmp;
        } else if (strcmp(MLX5_TXQ_MAX_INLINE_LEN, key) == 0) {
@@ -478,6 +920,12 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
                config->l3_vxlan_en = !!tmp;
        } else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
                config->vf_nl_en = !!tmp;
+       } else if (strcmp(MLX5_DV_ESW_EN, key) == 0) {
+               config->dv_esw_en = !!tmp;
+       } else if (strcmp(MLX5_DV_FLOW_EN, key) == 0) {
+               config->dv_flow_en = !!tmp;
+       } else if (strcmp(MLX5_MR_EXT_MEMSEG_EN, key) == 0) {
+               config->mr_ext_memseg_en = !!tmp;
        } else {
                DRV_LOG(WARNING, "%s: unknown parameter", key);
                rte_errno = EINVAL;
@@ -502,12 +950,15 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
 {
        const char **params = (const char *[]){
                MLX5_RXQ_CQE_COMP_EN,
+               MLX5_RXQ_CQE_PAD_EN,
+               MLX5_RXQ_PKT_PAD_EN,
                MLX5_RX_MPRQ_EN,
                MLX5_RX_MPRQ_LOG_STRIDE_NUM,
                MLX5_RX_MPRQ_MAX_MEMCPY_LEN,
                MLX5_RXQS_MIN_MPRQ,
                MLX5_TXQ_INLINE,
                MLX5_TXQS_MIN_INLINE,
+               MLX5_TXQS_MAX_VEC,
                MLX5_TXQ_MPW_EN,
                MLX5_TXQ_MPW_HDR_DSEG_EN,
                MLX5_TXQ_MAX_INLINE_LEN,
@@ -515,6 +966,10 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
                MLX5_RX_VEC_EN,
                MLX5_L3_VXLAN_EN,
                MLX5_VF_NL_EN,
+               MLX5_DV_ESW_EN,
+               MLX5_DV_FLOW_EN,
+               MLX5_MR_EXT_MEMSEG_EN,
+               MLX5_REPRESENTOR,
                NULL,
        };
        struct rte_kvargs *kvlist;
@@ -545,116 +1000,49 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
 
 static struct rte_pci_driver mlx5_driver;
 
-/*
- * Reserved UAR address space for TXQ UAR(hw doorbell) mapping, process
- * local resource used by both primary and secondary to avoid duplicate
- * reservation.
- * The space has to be available on both primary and secondary process,
- * TXQ UAR maps to this area using fixed mmap w/o double check.
- */
-static void *uar_base;
-
-static int
-find_lower_va_bound(const struct rte_memseg_list *msl __rte_unused,
-               const struct rte_memseg *ms, void *arg)
-{
-       void **addr = arg;
-
-       if (*addr == NULL)
-               *addr = ms->addr;
-       else
-               *addr = RTE_MIN(*addr, ms->addr);
-
-       return 0;
-}
-
 /**
- * Reserve UAR address space for primary process.
+ * PMD global initialization.
  *
- * @param[in] dev
- *   Pointer to Ethernet device.
+ * Independent from individual device, this function initializes global
+ * per-PMD data structures distinguishing primary and secondary processes.
+ * Hence, each initialization is called once per a process.
  *
  * @return
  *   0 on success, a negative errno value otherwise and rte_errno is set.
  */
 static int
-mlx5_uar_init_primary(struct rte_eth_dev *dev)
+mlx5_init_once(void)
 {
-       struct priv *priv = dev->data->dev_private;
-       void *addr = (void *)0;
-
-       if (uar_base) { /* UAR address space mapped. */
-               priv->uar_base = uar_base;
-               return 0;
-       }
-       /* find out lower bound of hugepage segments */
-       rte_memseg_walk(find_lower_va_bound, &addr);
+       struct mlx5_shared_data *sd;
+       struct mlx5_local_data *ld = &mlx5_local_data;
 
-       /* keep distance to hugepages to minimize potential conflicts. */
-       addr = RTE_PTR_SUB(addr, MLX5_UAR_OFFSET + MLX5_UAR_SIZE);
-       /* anonymous mmap, no real memory consumption. */
-       addr = mmap(addr, MLX5_UAR_SIZE,
-                   PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-       if (addr == MAP_FAILED) {
-               DRV_LOG(ERR,
-                       "port %u failed to reserve UAR address space, please"
-                       " adjust MLX5_UAR_SIZE or try --base-virtaddr",
-                       dev->data->port_id);
-               rte_errno = ENOMEM;
-               return -rte_errno;
-       }
-       /* Accept either same addr or a new addr returned from mmap if target
-        * range occupied.
-        */
-       DRV_LOG(INFO, "port %u reserved UAR address space: %p",
-               dev->data->port_id, addr);
-       priv->uar_base = addr; /* for primary and secondary UAR re-mmap. */
-       uar_base = addr; /* process local, don't reserve again. */
-       return 0;
-}
-
-/**
- * Reserve UAR address space for secondary process, align with
- * primary process.
- *
- * @param[in] dev
- *   Pointer to Ethernet device.
- *
- * @return
- *   0 on success, a negative errno value otherwise and rte_errno is set.
- */
-static int
-mlx5_uar_init_secondary(struct rte_eth_dev *dev)
-{
-       struct priv *priv = dev->data->dev_private;
-       void *addr;
-
-       assert(priv->uar_base);
-       if (uar_base) { /* already reserved. */
-               assert(uar_base == priv->uar_base);
-               return 0;
-       }
-       /* anonymous mmap, no real memory consumption. */
-       addr = mmap(priv->uar_base, MLX5_UAR_SIZE,
-                   PROT_NONE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-       if (addr == MAP_FAILED) {
-               DRV_LOG(ERR, "port %u UAR mmap failed: %p size: %llu",
-                       dev->data->port_id, priv->uar_base, MLX5_UAR_SIZE);
-               rte_errno = ENXIO;
-               return -rte_errno;
-       }
-       if (priv->uar_base != addr) {
-               DRV_LOG(ERR,
-                       "port %u UAR address %p size %llu occupied, please"
-                       " adjust MLX5_UAR_OFFSET or try EAL parameter"
-                       " --base-virtaddr",
-                       dev->data->port_id, priv->uar_base, MLX5_UAR_SIZE);
-               rte_errno = ENXIO;
+       if (mlx5_init_shared_data())
                return -rte_errno;
+       sd = mlx5_shared_data;
+       assert(sd);
+       rte_spinlock_lock(&sd->lock);
+       switch (rte_eal_process_type()) {
+       case RTE_PROC_PRIMARY:
+               if (sd->init_done)
+                       break;
+               LIST_INIT(&sd->mem_event_cb_list);
+               rte_rwlock_init(&sd->mem_event_rwlock);
+               rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
+                                               mlx5_mr_mem_event_cb, NULL);
+               mlx5_mp_init_primary();
+               sd->init_done = true;
+               break;
+       case RTE_PROC_SECONDARY:
+               if (ld->init_done)
+                       break;
+               mlx5_mp_init_secondary();
+               ++sd->secondary_cnt;
+               ld->init_done = true;
+               break;
+       default:
+               break;
        }
-       uar_base = addr; /* process local, don't reserve again */
-       DRV_LOG(INFO, "port %u reserved UAR address space: %p",
-               dev->data->port_id, addr);
+       rte_spinlock_unlock(&sd->lock);
        return 0;
 }
 
@@ -663,74 +1051,113 @@ mlx5_uar_init_secondary(struct rte_eth_dev *dev)
  *
  * @param dpdk_dev
  *   Backing DPDK device.
- * @param ibv_dev
- *   Verbs device.
- * @param vf
- *   If nonzero, enable VF-specific features.
- * @param[in] switch_info
- *   Switch properties of Ethernet device.
+ * @param spawn
+ *   Verbs device parameters (name, port, switch_info) to spawn.
+ * @param config
+ *   Device configuration parameters.
  *
  * @return
  *   A valid Ethernet device object on success, NULL otherwise and rte_errno
- *   is set.
+ *   is set. The following errors are defined:
+ *
+ *   EBUSY: device is not supposed to be spawned.
+ *   EEXIST: device is already spawned
  */
 static struct rte_eth_dev *
 mlx5_dev_spawn(struct rte_device *dpdk_dev,
-              struct ibv_device *ibv_dev,
-              int vf,
-              const struct mlx5_switch_info *switch_info)
+              struct mlx5_dev_spawn_data *spawn,
+              struct mlx5_dev_config config)
 {
-       struct ibv_context *ctx;
-       struct ibv_device_attr_ex attr;
+       const struct mlx5_switch_info *switch_info = &spawn->info;
+       struct mlx5_ibv_shared *sh = NULL;
        struct ibv_port_attr port_attr;
-       struct ibv_pd *pd = NULL;
        struct mlx5dv_context dv_attr = { .comp_mask = 0 };
-       struct mlx5_dev_config config = {
-               .vf = !!vf,
-               .tx_vec_en = 1,
-               .rx_vec_en = 1,
-               .mpw_hdr_dseg = 0,
-               .txq_inline = MLX5_ARG_UNSET,
-               .txqs_inline = MLX5_ARG_UNSET,
-               .inline_max_packet_sz = MLX5_ARG_UNSET,
-               .vf_nl_en = 1,
-               .mprq = {
-                       .enabled = 0,
-                       .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
-                       .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
-                       .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
-               },
-       };
        struct rte_eth_dev *eth_dev = NULL;
-       struct priv *priv = NULL;
+       struct mlx5_priv *priv = NULL;
        int err = 0;
+       unsigned int hw_padding = 0;
        unsigned int mps;
        unsigned int cqe_comp;
+       unsigned int cqe_pad = 0;
        unsigned int tunnel_en = 0;
        unsigned int mpls_en = 0;
        unsigned int swp = 0;
-       unsigned int verb_priorities = 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;
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       struct ibv_counter_set_description cs_desc = { .counter_type = 0 };
-#endif
-       struct ether_addr mac;
+       struct rte_ether_addr mac;
        char name[RTE_ETH_NAME_MAX_LEN];
        int own_domain_id = 0;
+       uint16_t port_id;
        unsigned int i;
 
-       /* Prepare shared data between primary and secondary process. */
-       mlx5_prepare_shared_data();
-       errno = 0;
-       ctx = mlx5_glue->open_device(ibv_dev);
-       if (!ctx) {
-               rte_errno = errno ? errno : ENODEV;
+       /* Determine if this port representor is supposed to be spawned. */
+       if (switch_info->representor && dpdk_dev->devargs) {
+               struct rte_eth_devargs eth_da;
+
+               err = rte_eth_devargs_parse(dpdk_dev->devargs->args, &eth_da);
+               if (err) {
+                       rte_errno = -err;
+                       DRV_LOG(ERR, "failed to process device arguments: %s",
+                               strerror(rte_errno));
+                       return NULL;
+               }
+               for (i = 0; i < eth_da.nb_representor_ports; ++i)
+                       if (eth_da.representor_ports[i] ==
+                           (uint16_t)switch_info->port_name)
+                               break;
+               if (i == eth_da.nb_representor_ports) {
+                       rte_errno = EBUSY;
+                       return NULL;
+               }
+       }
+       /* Build device name. */
+       if (!switch_info->representor)
+               strlcpy(name, dpdk_dev->name, sizeof(name));
+       else
+               snprintf(name, sizeof(name), "%s_representor_%u",
+                        dpdk_dev->name, switch_info->port_name);
+       /* check if the device is already spawned */
+       if (rte_eth_dev_get_port_by_name(name, &port_id) == 0) {
+               rte_errno = EEXIST;
                return NULL;
        }
+       DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
+       if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+               eth_dev = rte_eth_dev_attach_secondary(name);
+               if (eth_dev == NULL) {
+                       DRV_LOG(ERR, "can not attach rte ethdev");
+                       rte_errno = ENOMEM;
+                       return NULL;
+               }
+               eth_dev->device = dpdk_dev;
+               eth_dev->dev_ops = &mlx5_dev_sec_ops;
+               err = mlx5_proc_priv_init(eth_dev);
+               if (err)
+                       return NULL;
+               /* Receive command fd from primary process */
+               err = mlx5_mp_req_verbs_cmd_fd(eth_dev);
+               if (err < 0)
+                       return NULL;
+               /* Remap UAR for Tx queues. */
+               err = mlx5_tx_uar_init_secondary(eth_dev, err);
+               if (err)
+                       return NULL;
+               /*
+                * Ethdev pointer is still required as input since
+                * the primary device is not accessible from the
+                * secondary process.
+                */
+               eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
+               eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
+               return eth_dev;
+       }
+       sh = mlx5_alloc_shared_ibctx(spawn);
+       if (!sh)
+               return NULL;
+       config.devx = sh->devx;
 #ifdef HAVE_IBV_MLX5_MOD_SWP
        dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_SWP;
 #endif
@@ -744,7 +1171,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
 #ifdef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
        dv_attr.comp_mask |= MLX5DV_CONTEXT_MASK_STRIDING_RQ;
 #endif
-       mlx5_glue->dv_query_device(ctx, &dv_attr);
+       mlx5_glue->dv_query_device(sh->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");
@@ -757,7 +1184,6 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                DRV_LOG(DEBUG, "MPW isn't supported");
                mps = MLX5_MPW_DISABLED;
        }
-       config.mps = mps;
 #ifdef HAVE_IBV_MLX5_MOD_SWP
        if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_SWP)
                swp = dv_attr.sw_parsing_caps.sw_parsing_offloads;
@@ -799,6 +1225,11 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
        else
                cqe_comp = 1;
        config.cqe_comp = cqe_comp;
+#ifdef HAVE_IBV_MLX5_MOD_CQE_128B_PAD
+       /* Whether device supports 128B Rx CQE padding. */
+       cqe_pad = RTE_CACHE_LINE_SIZE == 128 &&
+                 (dv_attr.flags & MLX5DV_CONTEXT_FLAGS_CQE_128B_PAD);
+#endif
 #ifdef HAVE_IBV_DEVICE_TUNNEL_SUPPORT
        if (dv_attr.comp_mask & MLX5DV_CONTEXT_MASK_TUNNEL_OFFLOADS) {
                tunnel_en = ((dv_attr.tunnel_offloads_caps &
@@ -825,56 +1256,8 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                " old OFED/rdma-core version or firmware configuration");
 #endif
        config.mpls_en = mpls_en;
-       err = mlx5_glue->query_device_ex(ctx, NULL, &attr);
-       if (err) {
-               DEBUG("ibv_query_device_ex() failed");
-               goto error;
-       }
-       if (!switch_info->representor)
-               rte_strlcpy(name, dpdk_dev->name, sizeof(name));
-       else
-               snprintf(name, sizeof(name), "%s_representor_%u",
-                        dpdk_dev->name, switch_info->port_name);
-       DRV_LOG(DEBUG, "naming Ethernet device \"%s\"", name);
-       if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
-               eth_dev = rte_eth_dev_attach_secondary(name);
-               if (eth_dev == NULL) {
-                       DRV_LOG(ERR, "can not attach rte ethdev");
-                       rte_errno = ENOMEM;
-                       err = rte_errno;
-                       goto error;
-               }
-               eth_dev->device = dpdk_dev;
-               eth_dev->dev_ops = &mlx5_dev_sec_ops;
-               err = mlx5_uar_init_secondary(eth_dev);
-               if (err) {
-                       err = rte_errno;
-                       goto error;
-               }
-               /* Receive command fd from primary process */
-               err = mlx5_socket_connect(eth_dev);
-               if (err < 0) {
-                       err = rte_errno;
-                       goto error;
-               }
-               /* Remap UAR for Tx queues. */
-               err = mlx5_tx_uar_remap(eth_dev, err);
-               if (err) {
-                       err = rte_errno;
-                       goto error;
-               }
-               /*
-                * Ethdev pointer is still required as input since
-                * the primary device is not accessible from the
-                * secondary process.
-                */
-               eth_dev->rx_pkt_burst = mlx5_select_rx_function(eth_dev);
-               eth_dev->tx_pkt_burst = mlx5_select_tx_function(eth_dev);
-               claim_zero(mlx5_glue->close_device(ctx));
-               return eth_dev;
-       }
        /* Check port status. */
-       err = mlx5_glue->query_port(ctx, 1, &port_attr);
+       err = mlx5_glue->query_port(sh->ctx, spawn->ibv_port, &port_attr);
        if (err) {
                DRV_LOG(ERR, "port query failed: %s", strerror(err));
                goto error;
@@ -888,13 +1271,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                DRV_LOG(DEBUG, "port is not active: \"%s\" (%d)",
                        mlx5_glue->port_state_str(port_attr.state),
                        port_attr.state);
-       /* Allocate protection domain. */
-       pd = mlx5_glue->alloc_pd(ctx);
-       if (pd == NULL) {
-               DRV_LOG(ERR, "PD allocation failure");
-               err = ENOMEM;
-               goto error;
-       }
+       /* Allocate private eth device data. */
        priv = rte_zmalloc("ethdev private structure",
                           sizeof(*priv),
                           RTE_CACHE_LINE_SIZE);
@@ -903,42 +1280,52 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                err = ENOMEM;
                goto error;
        }
-       priv->ctx = ctx;
-       strncpy(priv->ibdev_name, priv->ctx->device->name,
-               sizeof(priv->ibdev_name));
-       strncpy(priv->ibdev_path, priv->ctx->device->ibdev_path,
-               sizeof(priv->ibdev_path));
-       priv->device_attr = attr;
-       priv->pd = pd;
+       priv->sh = sh;
+       priv->ibv_port = spawn->ibv_port;
        priv->mtu = ETHER_MTU;
+#ifndef RTE_ARCH_64
+       /* Initialize UAR access locks for 32bit implementations. */
+       rte_spinlock_init(&priv->uar_lock_cq);
+       for (i = 0; i < MLX5_UAR_PAGE_NUM_MAX; i++)
+               rte_spinlock_init(&priv->uar_lock[i]);
+#endif
        /* Some internal functions rely on Netlink sockets, open them now. */
-       priv->nl_socket_rdma = mlx5_nl_init(0, NETLINK_RDMA);
-       priv->nl_socket_route = mlx5_nl_init(RTMGRP_LINK, NETLINK_ROUTE);
+       priv->nl_socket_rdma = mlx5_nl_init(NETLINK_RDMA);
+       priv->nl_socket_route = mlx5_nl_init(NETLINK_ROUTE);
        priv->nl_sn = 0;
        priv->representor = !!switch_info->representor;
+       priv->master = !!switch_info->master;
        priv->domain_id = RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID;
-       priv->representor_id =
-               switch_info->representor ? switch_info->port_name : -1;
+       /*
+        * Currently we support single E-Switch per PF configurations
+        * only and vport_id field contains the vport index for
+        * associated VF, which is deduced from representor port name.
+        * For example, let's have the IB device port 10, it has
+        * attached network device eth0, which has port name attribute
+        * pf0vf2, we can deduce the VF number as 2, and set vport index
+        * as 3 (2+1). This assigning schema should be changed if the
+        * multiple E-Switch instances per PF configurations or/and PCI
+        * subfunctions are added.
+        */
+       priv->vport_id = switch_info->representor ?
+                        switch_info->port_name + 1 : -1;
+       /* representor_id field keeps the unmodified port/VF index. */
+       priv->representor_id = switch_info->representor ?
+                              switch_info->port_name : -1;
        /*
         * Look for sibling devices in order to reuse their switch domain
         * if any, otherwise allocate one.
         */
-       i = mlx5_dev_to_port_id(dpdk_dev, NULL, 0);
-       if (i > 0) {
-               uint16_t port_id[i];
-
-               i = RTE_MIN(mlx5_dev_to_port_id(dpdk_dev, port_id, i), i);
-               while (i--) {
-                       const struct priv *opriv =
-                               rte_eth_devices[port_id[i]].data->dev_private;
+       RTE_ETH_FOREACH_DEV_OF(port_id, dpdk_dev) {
+               const struct mlx5_priv *opriv =
+                       rte_eth_devices[port_id].data->dev_private;
 
-                       if (!opriv ||
-                           opriv->domain_id ==
-                           RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
-                               continue;
-                       priv->domain_id = opriv->domain_id;
-                       break;
-               }
+               if (!opriv ||
+                       opriv->domain_id ==
+                       RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
+                       continue;
+               priv->domain_id = opriv->domain_id;
+               break;
        }
        if (priv->domain_id == RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) {
                err = rte_eth_switch_domain_alloc(&priv->domain_id);
@@ -957,18 +1344,22 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                        strerror(rte_errno));
                goto error;
        }
-       config.hw_csum = !!(attr.device_cap_flags_ex & IBV_DEVICE_RAW_IP_CSUM);
+       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 "));
-#ifdef HAVE_IBV_DEVICE_COUNTERS_SET_SUPPORT
-       config.flow_counter_en = !!attr.max_counter_sets;
-       mlx5_glue->describe_counter_set(ctx, 0, &cs_desc);
-       DRV_LOG(DEBUG, "counter type = %d, num of cs = %ld, attributes = %d",
-               cs_desc.counter_type, cs_desc.num_of_cs,
-               cs_desc.attributes);
+#if !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V42) && \
+       !defined(HAVE_IBV_DEVICE_COUNTERS_SET_V45)
+       DRV_LOG(DEBUG, "counters are not supported");
+#endif
+#ifndef HAVE_IBV_FLOW_DV_SUPPORT
+       if (config.dv_flow_en) {
+               DRV_LOG(WARNING, "DV flow is not supported");
+               config.dv_flow_en = 0;
+       }
 #endif
        config.ind_table_max_size =
-               attr.rss_caps.max_rwq_indirection_table_size;
+               sh->device_attr.rss_caps.max_rwq_indirection_table_size;
        /*
         * Remove this check once DPDK supports larger/variable
         * indirection tables.
@@ -977,31 +1368,40 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                config.ind_table_max_size = ETH_RSS_RETA_SIZE_512;
        DRV_LOG(DEBUG, "maximum Rx indirection table size is %u",
                config.ind_table_max_size);
-       config.hw_vlan_strip = !!(attr.raw_packet_caps &
+       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 = !!(attr.raw_packet_caps &
+       config.hw_fcs_strip = !!(sh->device_attr.raw_packet_caps &
                                 IBV_RAW_PACKET_CAP_SCATTER_FCS);
        DRV_LOG(DEBUG, "FCS stripping configuration is %ssupported",
                (config.hw_fcs_strip ? "" : "not "));
-#ifdef HAVE_IBV_WQ_FLAG_RX_END_PADDING
-       config.hw_padding = !!attr.rx_pad_end_addr_align;
+#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
-       DRV_LOG(DEBUG, "hardware Rx end alignment padding is %ssupported",
-               (config.hw_padding ? "" : "not "));
-       config.tso = (attr.tso_caps.max_tso > 0 &&
-                     (attr.tso_caps.supported_qpts &
+       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.tso_caps.max_tso > 0 &&
+                     (sh->device_attr.tso_caps.supported_qpts &
                       (1 << IBV_QPT_RAW_PACKET)));
        if (config.tso)
-               config.tso_max_payload_sz = attr.tso_caps.max_tso;
-       if (config.mps && !mps) {
-               DRV_LOG(ERR,
-                       "multi-packet send not supported on this device"
-                       " (" MLX5_TXQ_MPW_EN ")");
-               err = ENOTSUP;
-               goto error;
-       }
+               config.tso_max_payload_sz = sh->device_attr.tso_caps.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_DISABLED ? "enabled" : "disabled");
@@ -1009,6 +1409,12 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                DRV_LOG(WARNING, "Rx CQE compression isn't supported");
                config.cqe_comp = 0;
        }
+       if (config.cqe_pad && !cqe_pad) {
+               DRV_LOG(WARNING, "Rx CQE padding isn't supported");
+               config.cqe_pad = 0;
+       } else if (config.cqe_pad) {
+               DRV_LOG(INFO, "Rx CQE padding is enabled");
+       }
        if (config.mprq.enabled && mprq) {
                if (config.mprq.stride_num_n > mprq_max_stride_num_n ||
                    config.mprq.stride_num_n < mprq_min_stride_num_n) {
@@ -1033,18 +1439,16 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                err = ENOMEM;
                goto error;
        }
-       if (priv->representor)
+       /* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
+       eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+       if (priv->representor) {
                eth_dev->data->dev_flags |= RTE_ETH_DEV_REPRESENTOR;
+               eth_dev->data->representor_id = priv->representor_id;
+       }
        eth_dev->data->dev_private = priv;
        priv->dev_data = eth_dev->data;
        eth_dev->data->mac_addrs = priv->mac;
        eth_dev->device = dpdk_dev;
-       eth_dev->device->driver = &mlx5_driver.driver;
-       err = mlx5_uar_init_primary(eth_dev);
-       if (err) {
-               err = rte_errno;
-               goto error;
-       }
        /* Configure the first MAC address by default. */
        if (mlx5_get_mac(eth_dev, &mac.addr_bytes)) {
                DRV_LOG(ERR,
@@ -1086,8 +1490,36 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
        eth_dev->dev_ops = &mlx5_dev_ops;
        /* Register MAC address. */
        claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
-       if (vf && config.vf_nl_en)
+       if (config.vf && config.vf_nl_en)
                mlx5_nl_mac_addr_sync(eth_dev);
+       priv->tcf_context = mlx5_flow_tcf_context_create();
+       if (!priv->tcf_context) {
+               err = -rte_errno;
+               DRV_LOG(WARNING,
+                       "flow rules relying on switch offloads will not be"
+                       " supported: cannot open libmnl socket: %s",
+                       strerror(rte_errno));
+       } else {
+               struct rte_flow_error error;
+               unsigned int ifindex = mlx5_ifindex(eth_dev);
+
+               if (!ifindex) {
+                       err = -rte_errno;
+                       error.message =
+                               "cannot retrieve network interface index";
+               } else {
+                       err = mlx5_flow_tcf_init(priv->tcf_context,
+                                                ifindex, &error);
+               }
+               if (err) {
+                       DRV_LOG(WARNING,
+                               "flow rules relying on switch offloads will"
+                               " not be supported: %s: %s",
+                               error.message, strerror(rte_errno));
+                       mlx5_flow_tcf_context_destroy(priv->tcf_context);
+                       priv->tcf_context = NULL;
+               }
+       }
        TAILQ_INIT(&priv->flows);
        TAILQ_INIT(&priv->ctrl_flows);
        /* Hint libmlx5 to use PMD allocator for data plane resources */
@@ -1096,7 +1528,8 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                .free = &mlx5_free_verbs_buf,
                .data = priv,
        };
-       mlx5_glue->dv_set_context_attr(ctx, MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
+       mlx5_glue->dv_set_context_attr(sh->ctx,
+                                      MLX5DV_CTX_ATTR_BUF_ALLOCATORS,
                                       (void *)((uintptr_t)&alctr));
        /* Bring Ethernet device up. */
        DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
@@ -1104,78 +1537,74 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
        mlx5_set_link_up(eth_dev);
        /*
         * Even though the interrupt handler is not installed yet,
-        * interrupts will still trigger on the asyn_fd from
+        * interrupts will still trigger on the async_fd from
         * Verbs context returned by ibv_open_device().
         */
        mlx5_link_update(eth_dev, 0);
+#ifdef HAVE_IBV_DEVX_OBJ
+       if (config.devx) {
+               err = mlx5_devx_cmd_query_hca_attr(sh->ctx, &config.hca_attr);
+               if (err) {
+                       err = -err;
+                       goto error;
+               }
+       }
+#endif
+#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
        /* Store device configuration on private structure. */
        priv->config = config;
-       /* Create drop queue. */
-       err = mlx5_flow_create_drop_queue(eth_dev);
-       if (err) {
-               DRV_LOG(ERR, "port %u drop queue allocation failed: %s",
-                       eth_dev->data->port_id, strerror(rte_errno));
-               err = rte_errno;
-               goto error;
+       if (config.dv_flow_en) {
+               err = mlx5_alloc_shared_dr(priv);
+               if (err)
+                       goto error;
        }
        /* Supported Verbs flow priority number detection. */
-       if (verb_priorities == 0)
-               verb_priorities = mlx5_get_max_verbs_prio(eth_dev);
-       if (verb_priorities < MLX5_VERBS_FLOW_PRIO_8) {
-               DRV_LOG(ERR, "port %u wrong Verbs flow priorities: %u",
-                       eth_dev->data->port_id, verb_priorities);
-               err = ENOTSUP;
-               goto error;
-       }
-       priv->config.max_verbs_prio = verb_priorities;
-       /*
-        * Once the device is added to the list of memory event
-        * callback, its global MR cache table cannot be expanded
-        * on the fly because of deadlock. If it overflows, lookup
-        * should be done by searching MR list linearly, which is slow.
-        */
-       err = mlx5_mr_btree_init(&priv->mr.cache,
-                                MLX5_MR_BTREE_CACHE_N * 2,
-                                eth_dev->device->numa_node);
-       if (err) {
-               err = rte_errno;
+       err = mlx5_flow_discover_priorities(eth_dev);
+       if (err < 0) {
+               err = -err;
                goto error;
        }
+       priv->config.flow_prio = err;
        /* Add device to memory callback list. */
        rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
        LIST_INSERT_HEAD(&mlx5_shared_data->mem_event_cb_list,
-                        priv, mem_event_cb);
+                        sh, mem_event_cb);
        rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
        return eth_dev;
 error:
        if (priv) {
+               if (priv->sh)
+                       mlx5_free_shared_dr(priv);
                if (priv->nl_socket_route >= 0)
                        close(priv->nl_socket_route);
                if (priv->nl_socket_rdma >= 0)
                        close(priv->nl_socket_rdma);
+               if (priv->tcf_context)
+                       mlx5_flow_tcf_context_destroy(priv->tcf_context);
                if (own_domain_id)
                        claim_zero(rte_eth_switch_domain_free(priv->domain_id));
                rte_free(priv);
+               if (eth_dev != NULL)
+                       eth_dev->data->dev_private = NULL;
        }
-       if (pd)
-               claim_zero(mlx5_glue->dealloc_pd(pd));
-       if (eth_dev)
+       if (eth_dev != NULL) {
+               /* mac_addrs must not be freed alone because part of dev_private */
+               eth_dev->data->mac_addrs = NULL;
                rte_eth_dev_release_port(eth_dev);
-       if (ctx)
-               claim_zero(mlx5_glue->close_device(ctx));
+       }
+       if (sh)
+               mlx5_free_shared_ibctx(sh);
        assert(err > 0);
        rte_errno = err;
        return NULL;
 }
 
-/** Data associated with devices to spawn. */
-struct mlx5_dev_spawn_data {
-       unsigned int ifindex; /**< Network interface index. */
-       struct mlx5_switch_info info; /**< Switch information. */
-       struct ibv_device *ibv_dev; /**< Associated IB device. */
-       struct rte_eth_dev *eth_dev; /**< Associated Ethernet device. */
-};
-
 /**
  * Comparison callback to sort device data.
  *
@@ -1232,10 +1661,33 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
               struct rte_pci_device *pci_dev)
 {
        struct ibv_device **ibv_list;
-       unsigned int n = 0;
-       int vf;
+       /*
+        * Number of found IB Devices matching with requested PCI BDF.
+        * nd != 1 means there are multiple IB devices over the same
+        * PCI device and we have representors and master.
+        */
+       unsigned int nd = 0;
+       /*
+        * Number of found IB device Ports. nd = 1 and np = 1..n means
+        * we have the single multiport IB device, and there may be
+        * representors attached to some of found ports.
+        */
+       unsigned int np = 0;
+       /*
+        * Number of DPDK ethernet devices to Spawn - either over
+        * multiple IB devices or multiple ports of single IB device.
+        * Actually this is the number of iterations to spawn.
+        */
+       unsigned int ns = 0;
+       struct mlx5_dev_config dev_config;
        int ret;
 
+       ret = mlx5_init_once();
+       if (ret) {
+               DRV_LOG(ERR, "unable to init PMD global data: %s",
+                       strerror(rte_errno));
+               return -rte_errno;
+       }
        assert(pci_drv == &mlx5_driver);
        errno = 0;
        ibv_list = mlx5_glue->get_device_list(&ret);
@@ -1244,8 +1696,14 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                DRV_LOG(ERR, "cannot list devices, is ib_uverbs loaded?");
                return -rte_errno;
        }
-
+       /*
+        * First scan the list of all Infiniband devices to find
+        * matching ones, gathering into the list.
+        */
        struct ibv_device *ibv_match[ret + 1];
+       int nl_route = -1;
+       int nl_rdma = -1;
+       unsigned int i;
 
        while (ret-- > 0) {
                struct rte_pci_addr pci_addr;
@@ -1260,107 +1718,269 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                        continue;
                DRV_LOG(INFO, "PCI information matches for device \"%s\"",
                        ibv_list[ret]->name);
-               ibv_match[n++] = ibv_list[ret];
+               ibv_match[nd++] = ibv_list[ret];
+       }
+       ibv_match[nd] = NULL;
+       if (!nd) {
+               /* No device matches, just complain and bail out. */
+               mlx5_glue->free_device_list(ibv_list);
+               DRV_LOG(WARNING,
+                       "no Verbs device matches PCI device " PCI_PRI_FMT ","
+                       " are kernel drivers loaded?",
+                       pci_dev->addr.domain, pci_dev->addr.bus,
+                       pci_dev->addr.devid, pci_dev->addr.function);
+               rte_errno = ENOENT;
+               ret = -rte_errno;
+               return ret;
+       }
+       nl_route = mlx5_nl_init(NETLINK_ROUTE);
+       nl_rdma = mlx5_nl_init(NETLINK_RDMA);
+       if (nd == 1) {
+               /*
+                * Found single matching device may have multiple ports.
+                * Each port may be representor, we have to check the port
+                * number and check the representors existence.
+                */
+               if (nl_rdma >= 0)
+                       np = mlx5_nl_portnum(nl_rdma, ibv_match[0]->name);
+               if (!np)
+                       DRV_LOG(WARNING, "can not get IB device \"%s\""
+                                        " ports number", ibv_match[0]->name);
        }
-       ibv_match[n] = NULL;
-
-       struct mlx5_dev_spawn_data list[n];
-       int nl_route = n ? mlx5_nl_init(0, NETLINK_ROUTE) : -1;
-       int nl_rdma = n ? mlx5_nl_init(0, NETLINK_RDMA) : -1;
-       unsigned int i;
-       unsigned int u;
-
        /*
-        * The existence of several matching entries (n > 1) means port
-        * representors have been instantiated. No existing Verbs call nor
-        * /sys entries can tell them apart, this can only be done through
-        * Netlink calls assuming kernel drivers are recent enough to
-        * support them.
-        *
-        * In the event of identification failure through Netlink, either:
-        *
-        * 1. No device matches (n == 0), complain and bail out.
-        * 2. A single IB device matches (n == 1) and is not a representor,
-        *    assume no switch support.
-        * 3. Otherwise no safe assumptions can be made; complain louder and
-        *    bail out.
+        * Now we can determine the maximal
+        * amount of devices to be spawned.
         */
-       for (i = 0; i != n; ++i) {
-               list[i].ibv_dev = ibv_match[i];
-               list[i].eth_dev = NULL;
-               if (nl_rdma < 0)
-                       list[i].ifindex = 0;
-               else
-                       list[i].ifindex = mlx5_nl_ifindex
-                               (nl_rdma, list[i].ibv_dev->name);
-               if (nl_route < 0 ||
-                   !list[i].ifindex ||
-                   mlx5_nl_switch_info(nl_route, list[i].ifindex,
-                                       &list[i].info)) {
-                       list[i].ifindex = 0;
-                       memset(&list[i].info, 0, sizeof(list[i].info));
-                       continue;
+       struct mlx5_dev_spawn_data list[np ? np : nd];
+
+       if (np > 1) {
+               /*
+                * Single IB device with multiple ports found,
+                * it may be E-Switch master device and representors.
+                * We have to perform identification trough the ports.
+                */
+               assert(nl_rdma >= 0);
+               assert(ns == 0);
+               assert(nd == 1);
+               for (i = 1; i <= np; ++i) {
+                       list[ns].max_port = np;
+                       list[ns].ibv_port = i;
+                       list[ns].ibv_dev = ibv_match[0];
+                       list[ns].eth_dev = NULL;
+                       list[ns].pci_dev = pci_dev;
+                       list[ns].ifindex = mlx5_nl_ifindex
+                                       (nl_rdma, list[ns].ibv_dev->name, i);
+                       if (!list[ns].ifindex) {
+                               /*
+                                * No network interface index found for the
+                                * specified port, it means there is no
+                                * representor on this port. It's OK,
+                                * there can be disabled ports, for example
+                                * if sriov_numvfs < sriov_totalvfs.
+                                */
+                               continue;
+                       }
+                       ret = -1;
+                       if (nl_route >= 0)
+                               ret = mlx5_nl_switch_info
+                                              (nl_route,
+                                               list[ns].ifindex,
+                                               &list[ns].info);
+                       if (ret || (!list[ns].info.representor &&
+                                   !list[ns].info.master)) {
+                               /*
+                                * We failed to recognize representors with
+                                * Netlink, let's try to perform the task
+                                * with sysfs.
+                                */
+                               ret =  mlx5_sysfs_switch_info
+                                               (list[ns].ifindex,
+                                                &list[ns].info);
+                       }
+                       if (!ret && (list[ns].info.representor ^
+                                    list[ns].info.master))
+                               ns++;
                }
-       }
-       if (nl_rdma >= 0)
-               close(nl_rdma);
-       if (nl_route >= 0)
-               close(nl_route);
-       /* Count unidentified devices. */
-       for (u = 0, i = 0; i != n; ++i)
-               if (!list[i].info.master && !list[i].info.representor)
-                       ++u;
-       if (u) {
-               if (n == 1 && u == 1) {
-                       /* Case #2. */
-                       DRV_LOG(INFO, "no switch support detected");
-               } else {
-                       /* Case #3. */
+               if (!ns) {
                        DRV_LOG(ERR,
-                               "unable to tell which of the matching devices"
-                               " is the master (lack of kernel support?)");
-                       n = 0;
+                               "unable to recognize master/representors"
+                               " on the IB device with multiple ports");
+                       rte_errno = ENOENT;
+                       ret = -rte_errno;
+                       goto exit;
+               }
+       } else {
+               /*
+                * The existence of several matching entries (nd > 1) means
+                * port representors have been instantiated. No existing Verbs
+                * call nor sysfs entries can tell them apart, this can only
+                * be done through Netlink calls assuming kernel drivers are
+                * recent enough to support them.
+                *
+                * In the event of identification failure through Netlink,
+                * try again through sysfs, then:
+                *
+                * 1. A single IB device matches (nd == 1) with single
+                *    port (np=0/1) and is not a representor, assume
+                *    no switch support.
+                *
+                * 2. Otherwise no safe assumptions can be made;
+                *    complain louder and bail out.
+                */
+               np = 1;
+               for (i = 0; i != nd; ++i) {
+                       memset(&list[ns].info, 0, sizeof(list[ns].info));
+                       list[ns].max_port = 1;
+                       list[ns].ibv_port = 1;
+                       list[ns].ibv_dev = ibv_match[i];
+                       list[ns].eth_dev = NULL;
+                       list[ns].pci_dev = pci_dev;
+                       list[ns].ifindex = 0;
+                       if (nl_rdma >= 0)
+                               list[ns].ifindex = mlx5_nl_ifindex
+                                       (nl_rdma, list[ns].ibv_dev->name, 1);
+                       if (!list[ns].ifindex) {
+                               char ifname[IF_NAMESIZE];
+
+                               /*
+                                * Netlink failed, it may happen with old
+                                * ib_core kernel driver (before 4.16).
+                                * We can assume there is old driver because
+                                * here we are processing single ports IB
+                                * devices. Let's try sysfs to retrieve
+                                * the ifindex. The method works for
+                                * master device only.
+                                */
+                               if (nd > 1) {
+                                       /*
+                                        * Multiple devices found, assume
+                                        * representors, can not distinguish
+                                        * master/representor and retrieve
+                                        * ifindex via sysfs.
+                                        */
+                                       continue;
+                               }
+                               ret = mlx5_get_master_ifname
+                                       (ibv_match[i]->ibdev_path, &ifname);
+                               if (!ret)
+                                       list[ns].ifindex =
+                                               if_nametoindex(ifname);
+                               if (!list[ns].ifindex) {
+                                       /*
+                                        * No network interface index found
+                                        * for the specified device, it means
+                                        * there it is neither representor
+                                        * nor master.
+                                        */
+                                       continue;
+                               }
+                       }
+                       ret = -1;
+                       if (nl_route >= 0)
+                               ret = mlx5_nl_switch_info
+                                              (nl_route,
+                                               list[ns].ifindex,
+                                               &list[ns].info);
+                       if (ret || (!list[ns].info.representor &&
+                                   !list[ns].info.master)) {
+                               /*
+                                * We failed to recognize representors with
+                                * Netlink, let's try to perform the task
+                                * with sysfs.
+                                */
+                               ret =  mlx5_sysfs_switch_info
+                                               (list[ns].ifindex,
+                                                &list[ns].info);
+                       }
+                       if (!ret && (list[ns].info.representor ^
+                                    list[ns].info.master)) {
+                               ns++;
+                       } else if ((nd == 1) &&
+                                  !list[ns].info.representor &&
+                                  !list[ns].info.master) {
+                               /*
+                                * Single IB device with
+                                * one physical port and
+                                * attached network device.
+                                * May be SRIOV is not enabled
+                                * or there is no representors.
+                                */
+                               DRV_LOG(INFO, "no E-Switch support detected");
+                               ns++;
+                               break;
+                       }
+               }
+               if (!ns) {
+                       DRV_LOG(ERR,
+                               "unable to recognize master/representors"
+                               " on the multiple IB devices");
+                       rte_errno = ENOENT;
+                       ret = -rte_errno;
+                       goto exit;
                }
        }
+       assert(ns);
        /*
         * Sort list to probe devices in natural order for users convenience
         * (i.e. master first, then representors from lowest to highest ID).
         */
-       if (n)
-               qsort(list, n, sizeof(*list), mlx5_dev_spawn_data_cmp);
+       qsort(list, ns, sizeof(*list), mlx5_dev_spawn_data_cmp);
+       /* Default configuration. */
+       dev_config = (struct mlx5_dev_config){
+               .hw_padding = 0,
+               .mps = MLX5_ARG_UNSET,
+               .tx_vec_en = 1,
+               .rx_vec_en = 1,
+               .txq_inline = MLX5_ARG_UNSET,
+               .txqs_inline = MLX5_ARG_UNSET,
+               .txqs_vec = MLX5_ARG_UNSET,
+               .inline_max_packet_sz = MLX5_ARG_UNSET,
+               .vf_nl_en = 1,
+               .mr_ext_memseg_en = 1,
+               .mprq = {
+                       .enabled = 0, /* Disabled by default. */
+                       .stride_num_n = MLX5_MPRQ_STRIDE_NUM_N,
+                       .max_memcpy_len = MLX5_MPRQ_MEMCPY_DEFAULT_LEN,
+                       .min_rxqs_num = MLX5_MPRQ_MIN_RXQS,
+               },
+               .dv_esw_en = 1,
+       };
+       /* Device specific configuration. */
        switch (pci_dev->id.device_id) {
+       case PCI_DEVICE_ID_MELLANOX_CONNECTX5BF:
+               dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS_BLUEFIELD;
+               break;
        case PCI_DEVICE_ID_MELLANOX_CONNECTX4VF:
        case PCI_DEVICE_ID_MELLANOX_CONNECTX4LXVF:
        case PCI_DEVICE_ID_MELLANOX_CONNECTX5VF:
        case PCI_DEVICE_ID_MELLANOX_CONNECTX5EXVF:
-               vf = 1;
+               dev_config.vf = 1;
                break;
        default:
-               vf = 0;
+               break;
        }
-       for (i = 0; i != n; ++i) {
+       /* Set architecture-dependent default value if unset. */
+       if (dev_config.txqs_vec == MLX5_ARG_UNSET)
+               dev_config.txqs_vec = MLX5_VPMD_MAX_TXQS;
+       for (i = 0; i != ns; ++i) {
                uint32_t restore;
 
-               list[i].eth_dev = mlx5_dev_spawn
-                       (&pci_dev->device, list[i].ibv_dev, vf, &list[i].info);
-               if (!list[i].eth_dev)
-                       break;
+               list[i].eth_dev = mlx5_dev_spawn(&pci_dev->device,
+                                                &list[i],
+                                                dev_config);
+               if (!list[i].eth_dev) {
+                       if (rte_errno != EBUSY && rte_errno != EEXIST)
+                               break;
+                       /* Device is disabled or already spawned. Ignore it. */
+                       continue;
+               }
                restore = list[i].eth_dev->data->dev_flags;
                rte_eth_copy_pci_info(list[i].eth_dev, pci_dev);
                /* Restore non-PCI flags cleared by the above call. */
                list[i].eth_dev->data->dev_flags |= restore;
                rte_eth_dev_probing_finish(list[i].eth_dev);
        }
-       mlx5_glue->free_device_list(ibv_list);
-       if (!n) {
-               DRV_LOG(WARNING,
-                       "no Verbs device matches PCI device " PCI_PRI_FMT ","
-                       " are kernel drivers loaded?",
-                       pci_dev->addr.domain, pci_dev->addr.bus,
-                       pci_dev->addr.devid, pci_dev->addr.function);
-               rte_errno = ENOENT;
-               ret = -rte_errno;
-       } else if (i != n) {
+       if (i != ns) {
                DRV_LOG(ERR,
                        "probe of PCI device " PCI_PRI_FMT " aborted after"
                        " encountering an error: %s",
@@ -1370,9 +1990,11 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                ret = -rte_errno;
                /* Roll back. */
                while (i--) {
+                       if (!list[i].eth_dev)
+                               continue;
                        mlx5_dev_close(list[i].eth_dev);
-                       if (rte_eal_process_type() == RTE_PROC_PRIMARY)
-                               rte_free(list[i].eth_dev->data->dev_private);
+                       /* mac_addrs must not be freed because in dev_private */
+                       list[i].eth_dev->data->mac_addrs = NULL;
                        claim_zero(rte_eth_dev_release_port(list[i].eth_dev));
                }
                /* Restore original error. */
@@ -1380,9 +2002,42 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        } else {
                ret = 0;
        }
+exit:
+       /*
+        * Do the routine cleanup:
+        * - close opened Netlink sockets
+        * - free the Infiniband device list
+        */
+       if (nl_rdma >= 0)
+               close(nl_rdma);
+       if (nl_route >= 0)
+               close(nl_route);
+       assert(ibv_list);
+       mlx5_glue->free_device_list(ibv_list);
        return ret;
 }
 
+/**
+ * DPDK callback to remove a PCI device.
+ *
+ * This function removes all Ethernet devices belong to a given PCI device.
+ *
+ * @param[in] pci_dev
+ *   Pointer to the PCI device.
+ *
+ * @return
+ *   0 on success, the function cannot fail.
+ */
+static int
+mlx5_pci_remove(struct rte_pci_device *pci_dev)
+{
+       uint16_t port_id;
+
+       RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device)
+               rte_eth_dev_close(port_id);
+       return 0;
+}
+
 static const struct rte_pci_id mlx5_pci_id_map[] = {
        {
                RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
@@ -1420,6 +2075,18 @@ static const struct rte_pci_id mlx5_pci_id_map[] = {
                RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
                               PCI_DEVICE_ID_MELLANOX_CONNECTX5BF)
        },
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+                              PCI_DEVICE_ID_MELLANOX_CONNECTX5BFVF)
+       },
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+                               PCI_DEVICE_ID_MELLANOX_CONNECTX6)
+       },
+       {
+               RTE_PCI_DEVICE(PCI_VENDOR_ID_MELLANOX,
+                               PCI_DEVICE_ID_MELLANOX_CONNECTX6VF)
+       },
        {
                .vendor_id = 0
        }
@@ -1431,10 +2098,14 @@ static struct rte_pci_driver mlx5_driver = {
        },
        .id_table = mlx5_pci_id_map,
        .probe = mlx5_pci_probe,
-       .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV,
+       .remove = mlx5_pci_remove,
+       .dma_map = mlx5_dma_map,
+       .dma_unmap = mlx5_dma_unmap,
+       .drv_flags = (RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_INTR_RMV |
+                     RTE_PCI_DRV_PROBE_AGAIN),
 };
 
-#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
+#ifdef RTE_IBVERBS_LINK_DLOPEN
 
 /**
  * Suffix RTE_EAL_PMD_PATH with "-glue".
@@ -1595,7 +2266,7 @@ RTE_INIT(rte_mlx5_pmd_init)
         * cleanup all the Verbs resources even when the device was removed.
         */
        setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1);
-#ifdef RTE_LIBRTE_MLX5_DLOPEN_DEPS
+#ifdef RTE_IBVERBS_LINK_DLOPEN
        if (mlx5_glue_init())
                return;
        assert(mlx5_glue);