build: remove redundant config include
[dpdk.git] / drivers / net / mlx5 / mlx5.c
index 7126edf..23a50f3 100644 (file)
@@ -6,8 +6,6 @@
 #include <stddef.h>
 #include <unistd.h>
 #include <string.h>
-#include <assert.h>
-#include <dlfcn.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <errno.h>
 #include <rte_pci.h>
 #include <rte_bus_pci.h>
 #include <rte_common.h>
-#include <rte_config.h>
 #include <rte_kvargs.h>
 #include <rte_rwlock.h>
 #include <rte_spinlock.h>
 #include <rte_string_fns.h>
 #include <rte_alarm.h>
 
+#include <mlx5_glue.h>
+#include <mlx5_devx_cmds.h>
+#include <mlx5_common.h>
+
+#include "mlx5_defs.h"
 #include "mlx5.h"
 #include "mlx5_utils.h"
 #include "mlx5_rxtx.h"
 #include "mlx5_autoconf.h"
-#include "mlx5_defs.h"
-#include "mlx5_glue.h"
 #include "mlx5_mr.h"
 #include "mlx5_flow.h"
-#include "mlx5_devx_cmds.h"
+#include "rte_pmd_mlx5.h"
 
 /* Device parameter to enable RX completion queue compression. */
 #define MLX5_RXQ_CQE_COMP_EN "rxq_cqe_comp_en"
@@ -295,7 +295,7 @@ mlx5_flow_id_release(struct mlx5_flow_id_pool *pool, uint32_t id)
        if (pool->curr == pool->last) {
                size = pool->curr - pool->free_arr;
                size2 = size * MLX5_ID_GENERATION_ARRAY_FACTOR;
-               assert(size2 > size);
+               MLX5_ASSERT(size2 > size);
                mem = rte_malloc("", size2 * sizeof(uint32_t), 0);
                if (!mem) {
                        DRV_LOG(ERR, "can't allocate mem for id pool");
@@ -441,7 +441,7 @@ mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
        char *env;
        int value;
 
-       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
        /* Get environment variable to store. */
        env = getenv(MLX5_SHUT_UP_BF);
        value = env ? !!strcmp(env, "0") : MLX5_ARG_UNSET;
@@ -456,7 +456,7 @@ mlx5_config_doorbell_mapping_env(const struct mlx5_dev_config *config)
 static void
 mlx5_restore_doorbell_mapping_env(int value)
 {
-       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
        /* Restore the original environment variable state. */
        if (value == MLX5_ARG_UNSET)
                unsetenv(MLX5_SHUT_UP_BF);
@@ -496,9 +496,9 @@ mlx5_alloc_shared_ibctx(const struct mlx5_dev_spawn_data *spawn,
        struct mlx5_devx_tis_attr tis_attr = { 0 };
 #endif
 
-       assert(spawn);
+       MLX5_ASSERT(spawn);
        /* Secondary process should not create the shared context. */
-       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       MLX5_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) {
@@ -508,7 +508,7 @@ mlx5_alloc_shared_ibctx(const struct mlx5_dev_spawn_data *spawn,
                }
        }
        /* No device found, we have to create new shared context. */
-       assert(spawn->max_port);
+       MLX5_ASSERT(spawn->max_port);
        sh = rte_zmalloc("ethdev shared ib context",
                         sizeof(struct mlx5_ibv_shared) +
                         spawn->max_port *
@@ -631,7 +631,7 @@ exit:
        return sh;
 error:
        pthread_mutex_unlock(&mlx5_ibv_list_mutex);
-       assert(sh);
+       MLX5_ASSERT(sh);
        if (sh->tis)
                claim_zero(mlx5_devx_cmd_destroy(sh->tis));
        if (sh->td)
@@ -643,7 +643,7 @@ error:
        if (sh->flow_id_pool)
                mlx5_flow_id_pool_release(sh->flow_id_pool);
        rte_free(sh);
-       assert(err > 0);
+       MLX5_ASSERT(err > 0);
        rte_errno = err;
        return NULL;
 }
@@ -659,31 +659,31 @@ static void
 mlx5_free_shared_ibctx(struct mlx5_ibv_shared *sh)
 {
        pthread_mutex_lock(&mlx5_ibv_list_mutex);
-#ifndef NDEBUG
+#ifdef RTE_LIBRTE_MLX5_DEBUG
        /* 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);
+       MLX5_ASSERT(lctx);
        if (lctx != sh) {
                DRV_LOG(ERR, "Freeing non-existing shared IB context");
                goto exit;
        }
 #endif
-       assert(sh);
-       assert(sh->refcnt);
+       MLX5_ASSERT(sh);
+       MLX5_ASSERT(sh->refcnt);
        /* Secondary process should not free the shared context. */
-       assert(rte_eal_process_type() == RTE_PROC_PRIMARY);
+       MLX5_ASSERT(rte_eal_process_type() == RTE_PROC_PRIMARY);
        if (--sh->refcnt)
                goto exit;
-       /* Release created Memory Regions. */
-       mlx5_mr_release(sh);
        /* Remove from memory callback device list. */
        rte_rwlock_write_lock(&mlx5_shared_data->mem_event_rwlock);
        LIST_REMOVE(sh, mem_event_cb);
        rte_rwlock_write_unlock(&mlx5_shared_data->mem_event_rwlock);
+       /* Release created Memory Regions. */
+       mlx5_mr_release(sh);
        /* Remove context from the global device list. */
        LIST_REMOVE(sh, next);
        /*
@@ -691,7 +691,7 @@ mlx5_free_shared_ibctx(struct mlx5_ibv_shared *sh)
         *  Only primary process handles async device events.
         **/
        mlx5_flow_counters_mng_close(sh);
-       assert(!sh->intr_cnt);
+       MLX5_ASSERT(!sh->intr_cnt);
        if (sh->intr_cnt)
                mlx5_intr_callback_unregister
                        (&sh->intr_handle, mlx5_dev_interrupt_handler, sh);
@@ -747,7 +747,7 @@ mlx5_free_table_hash_list(struct mlx5_priv *priv)
        if (pos) {
                tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
                                        entry);
-               assert(tbl_data);
+               MLX5_ASSERT(tbl_data);
                mlx5_hlist_remove(sh->flow_tbls, pos);
                rte_free(tbl_data);
        }
@@ -756,7 +756,7 @@ mlx5_free_table_hash_list(struct mlx5_priv *priv)
        if (pos) {
                tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
                                        entry);
-               assert(tbl_data);
+               MLX5_ASSERT(tbl_data);
                mlx5_hlist_remove(sh->flow_tbls, pos);
                rte_free(tbl_data);
        }
@@ -766,7 +766,7 @@ mlx5_free_table_hash_list(struct mlx5_priv *priv)
        if (pos) {
                tbl_data = container_of(pos, struct mlx5_flow_tbl_data_entry,
                                        entry);
-               assert(tbl_data);
+               MLX5_ASSERT(tbl_data);
                mlx5_hlist_remove(sh->flow_tbls, pos);
                rte_free(tbl_data);
        }
@@ -790,7 +790,7 @@ mlx5_alloc_table_hash_list(struct mlx5_priv *priv)
        char s[MLX5_HLIST_NAMESIZE];
        int err = 0;
 
-       assert(sh);
+       MLX5_ASSERT(sh);
        snprintf(s, sizeof(s), "%s_flow_table", priv->sh->ibdev_name);
        sh->flow_tbls = mlx5_hlist_create(s, MLX5_FLOW_TABLE_HLIST_ARRAY_SIZE);
        if (!sh->flow_tbls) {
@@ -981,9 +981,9 @@ mlx5_free_shared_dr(struct mlx5_priv *priv)
                return;
        priv->dr_shared = 0;
        sh = priv->sh;
-       assert(sh);
+       MLX5_ASSERT(sh);
 #ifdef HAVE_MLX5DV_DR
-       assert(sh->dv_refcnt);
+       MLX5_ASSERT(sh->dv_refcnt);
        if (sh->dv_refcnt && --sh->dv_refcnt)
                return;
        if (sh->rx_domain) {
@@ -1118,7 +1118,7 @@ mlx5_alloc_verbs_buf(size_t size, void *data)
 
                socket = ctrl->socket;
        }
-       assert(data != NULL);
+       MLX5_ASSERT(data != NULL);
        ret = rte_malloc_socket(__func__, size, alignment, socket);
        if (!ret && size)
                rte_errno = ENOMEM;
@@ -1136,7 +1136,7 @@ mlx5_alloc_verbs_buf(size_t size, void *data)
 static void
 mlx5_free_verbs_buf(void *ptr, void *data __rte_unused)
 {
-       assert(data != NULL);
+       MLX5_ASSERT(data != NULL);
        rte_free(ptr);
 }
 
@@ -1155,7 +1155,7 @@ int
 mlx5_udp_tunnel_port_add(struct rte_eth_dev *dev __rte_unused,
                         struct rte_eth_udp_tunnel *udp_tunnel)
 {
-       assert(udp_tunnel != NULL);
+       MLX5_ASSERT(udp_tunnel != NULL);
        if (udp_tunnel->prot_type == RTE_TUNNEL_TYPE_VXLAN &&
            udp_tunnel->udp_port == 4789)
                return 0;
@@ -1269,7 +1269,9 @@ mlx5_dev_close(struct rte_eth_dev *dev)
        if (priv->reta_idx != NULL)
                rte_free(priv->reta_idx);
        if (priv->config.vf)
-               mlx5_nl_mac_addr_flush(dev);
+               mlx5_nl_mac_addr_flush(priv->nl_socket_route, mlx5_ifindex(dev),
+                                      dev->data->mac_addrs,
+                                      MLX5_MAX_MAC_ADDRESSES, priv->mac_own);
        if (priv->nl_socket_route >= 0)
                close(priv->nl_socket_route);
        if (priv->nl_socket_rdma >= 0)
@@ -1386,6 +1388,10 @@ 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,
+       .rxq_info_get = mlx5_rxq_info_get,
+       .txq_info_get = mlx5_txq_info_get,
+       .rx_burst_mode_get = mlx5_rx_burst_mode_get,
+       .tx_burst_mode_get = mlx5_tx_burst_mode_get,
        .rx_queue_count = mlx5_rx_queue_count,
        .rx_queue_intr_enable = mlx5_rx_intr_enable,
        .rx_queue_intr_disable = mlx5_rx_intr_disable,
@@ -1408,6 +1414,10 @@ static const struct eth_dev_ops mlx5_dev_sec_ops = {
        .dev_infos_get = mlx5_dev_infos_get,
        .rx_descriptor_status = mlx5_rx_descriptor_status,
        .tx_descriptor_status = mlx5_tx_descriptor_status,
+       .rxq_info_get = mlx5_rxq_info_get,
+       .txq_info_get = mlx5_txq_info_get,
+       .rx_burst_mode_get = mlx5_rx_burst_mode_get,
+       .tx_burst_mode_get = mlx5_tx_burst_mode_get,
        .get_module_info = mlx5_get_module_info,
        .get_module_eeprom = mlx5_get_module_eeprom,
 };
@@ -1452,6 +1462,10 @@ const struct eth_dev_ops mlx5_dev_ops_isolate = {
        .filter_ctrl = mlx5_dev_filter_ctrl,
        .rx_descriptor_status = mlx5_rx_descriptor_status,
        .tx_descriptor_status = mlx5_tx_descriptor_status,
+       .rxq_info_get = mlx5_rxq_info_get,
+       .txq_info_get = mlx5_txq_info_get,
+       .rx_burst_mode_get = mlx5_rx_burst_mode_get,
+       .tx_burst_mode_get = mlx5_tx_burst_mode_get,
        .rx_queue_intr_enable = mlx5_rx_intr_enable,
        .rx_queue_intr_disable = mlx5_rx_intr_disable,
        .is_removed = mlx5_is_removed,
@@ -1564,6 +1578,8 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
                config->max_dump_files_num = tmp;
        } else if (strcmp(MLX5_LRO_TIMEOUT_USEC, key) == 0) {
                config->lro.timeout = tmp;
+       } else if (strcmp(MLX5_CLASS_ARG_NAME, key) == 0) {
+               DRV_LOG(DEBUG, "class argument is %s.", val);
        } else {
                DRV_LOG(WARNING, "%s: unknown parameter", key);
                rte_errno = EINVAL;
@@ -1615,6 +1631,7 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
                MLX5_REPRESENTOR,
                MLX5_MAX_DUMP_FILES_NUM,
                MLX5_LRO_TIMEOUT_USEC,
+               MLX5_CLASS_ARG_NAME,
                NULL,
        };
        struct rte_kvargs *kvlist;
@@ -1667,7 +1684,7 @@ mlx5_init_once(void)
        if (mlx5_init_shared_data())
                return -rte_errno;
        sd = mlx5_shared_data;
-       assert(sd);
+       MLX5_ASSERT(sd);
        rte_spinlock_lock(&sd->lock);
        switch (rte_eal_process_type()) {
        case RTE_PROC_PRIMARY:
@@ -1849,7 +1866,7 @@ mlx5_set_metadata_mask(struct rte_eth_dev *dev)
        default:
                meta = 0;
                mark = 0;
-               assert(false);
+               MLX5_ASSERT(false);
                break;
        }
        if (sh->dv_mark_mask && sh->dv_mark_mask != mark)
@@ -1942,7 +1959,7 @@ mlx5_get_dbr(struct rte_eth_dev *dev, struct mlx5_devx_dbr_page **dbr_page)
                ; /* Empty. */
        /* Find the first clear bit. */
        j = rte_bsf64(~page->dbr_bitmap[i]);
-       assert(i < (MLX5_DBR_PER_PAGE / 64));
+       MLX5_ASSERT(i < (MLX5_DBR_PER_PAGE / 64));
        page->dbr_bitmap[i] |= (1 << j);
        page->dbr_count++;
        *dbr_page = page;
@@ -1993,6 +2010,25 @@ mlx5_release_dbr(struct rte_eth_dev *dev, uint32_t umem_id, uint64_t offset)
        return ret;
 }
 
+int
+rte_pmd_mlx5_get_dyn_flag_names(char *names[], unsigned int n)
+{
+       static const char *const dynf_names[] = {
+               RTE_PMD_MLX5_FINE_GRANULARITY_INLINE,
+               RTE_MBUF_DYNFLAG_METADATA_NAME
+       };
+       unsigned int i;
+
+       if (n < RTE_DIM(dynf_names))
+               return -ENOMEM;
+       for (i = 0; i < RTE_DIM(dynf_names); i++) {
+               if (names[i] == NULL)
+                       return -EINVAL;
+               strcpy(names[i], dynf_names[i]);
+       }
+       return RTE_DIM(dynf_names);
+}
+
 /**
  * Check sibling device configurations.
  *
@@ -2016,7 +2052,7 @@ mlx5_dev_check_sibling_config(struct mlx5_priv *priv,
        struct mlx5_dev_config *sh_conf = NULL;
        uint16_t port_id;
 
-       assert(sh);
+       MLX5_ASSERT(sh);
        /* Nothing to compare for the single/first device. */
        if (sh->refcnt == 1)
                return 0;
@@ -2326,7 +2362,6 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
        /* Some internal functions rely on Netlink sockets, open them now. */
        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;
@@ -2598,7 +2633,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
         * is permanent throughout the lifetime of device. So, we may store
         * the ifindex here and use the cached value further.
         */
-       assert(spawn->ifindex);
+       MLX5_ASSERT(spawn->ifindex);
        priv->if_index = spawn->ifindex;
        eth_dev->data->dev_private = priv;
        priv->dev_data = eth_dev->data;
@@ -2619,7 +2654,7 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
                mac.addr_bytes[0], mac.addr_bytes[1],
                mac.addr_bytes[2], mac.addr_bytes[3],
                mac.addr_bytes[4], mac.addr_bytes[5]);
-#ifndef NDEBUG
+#ifdef RTE_LIBRTE_MLX5_DEBUG
        {
                char ifname[IF_NAMESIZE];
 
@@ -2646,7 +2681,10 @@ mlx5_dev_spawn(struct rte_device *dpdk_dev,
        /* Register MAC address. */
        claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
        if (config.vf && config.vf_nl_en)
-               mlx5_nl_mac_addr_sync(eth_dev);
+               mlx5_nl_mac_addr_sync(priv->nl_socket_route,
+                                     mlx5_ifindex(eth_dev),
+                                     eth_dev->data->mac_addrs,
+                                     MLX5_MAX_MAC_ADDRESSES);
        TAILQ_INIT(&priv->flows);
        TAILQ_INIT(&priv->ctrl_flows);
        TAILQ_INIT(&priv->flow_meters);
@@ -2778,7 +2816,7 @@ error:
        }
        if (sh)
                mlx5_free_shared_ibctx(sh);
-       assert(err > 0);
+       MLX5_ASSERT(err > 0);
        rte_errno = err;
        return NULL;
 }
@@ -2881,7 +2919,7 @@ mlx5_device_bond_pci_match(const struct ibv_device *ibv_dev,
        if (!file)
                return -1;
        /* Use safe format to check maximal buffer length. */
-       assert(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
+       MLX5_ASSERT(atol(RTE_STR(IF_NAMESIZE)) == IF_NAMESIZE);
        while (fscanf(file, "%" RTE_STR(IF_NAMESIZE) "s", ifname) == 1) {
                char tmp_str[IF_NAMESIZE + 32];
                struct rte_pci_addr pci_addr;
@@ -2966,6 +3004,11 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
        struct mlx5_dev_config dev_config;
        int ret;
 
+       if (mlx5_class_get(pci_dev->device.devargs) != MLX5_CLASS_NET) {
+               DRV_LOG(DEBUG, "Skip probing - should be probed by other mlx5"
+                       " driver.");
+               return 1;
+       }
        if (rte_eal_process_type() == RTE_PROC_PRIMARY)
                mlx5_pmd_socket_init();
        ret = mlx5_init_once();
@@ -2974,7 +3017,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                        strerror(rte_errno));
                return -rte_errno;
        }
-       assert(pci_drv == &mlx5_driver);
+       MLX5_ASSERT(pci_drv == &mlx5_driver);
        errno = 0;
        ibv_list = mlx5_glue->get_device_list(&ret);
        if (!ibv_list) {
@@ -3095,10 +3138,10 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                 * 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);
-               assert(np);
+               MLX5_ASSERT(nl_rdma >= 0);
+               MLX5_ASSERT(ns == 0);
+               MLX5_ASSERT(nd == 1);
+               MLX5_ASSERT(np);
                for (i = 1; i <= np; ++i) {
                        list[ns].max_port = np;
                        list[ns].ibv_port = i;
@@ -3273,7 +3316,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                        goto exit;
                }
        }
-       assert(ns);
+       MLX5_ASSERT(ns);
        /*
         * Sort list to probe devices in natural order for users convenience
         * (i.e. master first, then representors from lowest to highest ID).
@@ -3368,7 +3411,7 @@ exit:
                close(nl_route);
        if (list)
                rte_free(list);
-       assert(ibv_list);
+       MLX5_ASSERT(ibv_list);
        mlx5_glue->free_device_list(ibv_list);
        return ret;
 }
@@ -3504,138 +3547,6 @@ static struct rte_pci_driver mlx5_driver = {
                     RTE_PCI_DRV_PROBE_AGAIN,
 };
 
-#ifdef RTE_IBVERBS_LINK_DLOPEN
-
-/**
- * Suffix RTE_EAL_PMD_PATH with "-glue".
- *
- * This function performs a sanity check on RTE_EAL_PMD_PATH before
- * suffixing its last component.
- *
- * @param buf[out]
- *   Output buffer, should be large enough otherwise NULL is returned.
- * @param size
- *   Size of @p out.
- *
- * @return
- *   Pointer to @p buf or @p NULL in case suffix cannot be appended.
- */
-static char *
-mlx5_glue_path(char *buf, size_t size)
-{
-       static const char *const bad[] = { "/", ".", "..", NULL };
-       const char *path = RTE_EAL_PMD_PATH;
-       size_t len = strlen(path);
-       size_t off;
-       int i;
-
-       while (len && path[len - 1] == '/')
-               --len;
-       for (off = len; off && path[off - 1] != '/'; --off)
-               ;
-       for (i = 0; bad[i]; ++i)
-               if (!strncmp(path + off, bad[i], (int)(len - off)))
-                       goto error;
-       i = snprintf(buf, size, "%.*s-glue", (int)len, path);
-       if (i == -1 || (size_t)i >= size)
-               goto error;
-       return buf;
-error:
-       DRV_LOG(ERR,
-               "unable to append \"-glue\" to last component of"
-               " RTE_EAL_PMD_PATH (\"" RTE_EAL_PMD_PATH "\"),"
-               " please re-configure DPDK");
-       return NULL;
-}
-
-/**
- * Initialization routine for run-time dependency on rdma-core.
- */
-static int
-mlx5_glue_init(void)
-{
-       char glue_path[sizeof(RTE_EAL_PMD_PATH) - 1 + sizeof("-glue")];
-       const char *path[] = {
-               /*
-                * A basic security check is necessary before trusting
-                * MLX5_GLUE_PATH, which may override RTE_EAL_PMD_PATH.
-                */
-               (geteuid() == getuid() && getegid() == getgid() ?
-                getenv("MLX5_GLUE_PATH") : NULL),
-               /*
-                * When RTE_EAL_PMD_PATH is set, use its glue-suffixed
-                * variant, otherwise let dlopen() look up libraries on its
-                * own.
-                */
-               (*RTE_EAL_PMD_PATH ?
-                mlx5_glue_path(glue_path, sizeof(glue_path)) : ""),
-       };
-       unsigned int i = 0;
-       void *handle = NULL;
-       void **sym;
-       const char *dlmsg;
-
-       while (!handle && i != RTE_DIM(path)) {
-               const char *end;
-               size_t len;
-               int ret;
-
-               if (!path[i]) {
-                       ++i;
-                       continue;
-               }
-               end = strpbrk(path[i], ":;");
-               if (!end)
-                       end = path[i] + strlen(path[i]);
-               len = end - path[i];
-               ret = 0;
-               do {
-                       char name[ret + 1];
-
-                       ret = snprintf(name, sizeof(name), "%.*s%s" MLX5_GLUE,
-                                      (int)len, path[i],
-                                      (!len || *(end - 1) == '/') ? "" : "/");
-                       if (ret == -1)
-                               break;
-                       if (sizeof(name) != (size_t)ret + 1)
-                               continue;
-                       DRV_LOG(DEBUG, "looking for rdma-core glue as \"%s\"",
-                               name);
-                       handle = dlopen(name, RTLD_LAZY);
-                       break;
-               } while (1);
-               path[i] = end + 1;
-               if (!*end)
-                       ++i;
-       }
-       if (!handle) {
-               rte_errno = EINVAL;
-               dlmsg = dlerror();
-               if (dlmsg)
-                       DRV_LOG(WARNING, "cannot load glue library: %s", dlmsg);
-               goto glue_error;
-       }
-       sym = dlsym(handle, "mlx5_glue");
-       if (!sym || !*sym) {
-               rte_errno = EINVAL;
-               dlmsg = dlerror();
-               if (dlmsg)
-                       DRV_LOG(ERR, "cannot resolve glue symbol: %s", dlmsg);
-               goto glue_error;
-       }
-       mlx5_glue = *sym;
-       return 0;
-glue_error:
-       if (handle)
-               dlclose(handle);
-       DRV_LOG(WARNING,
-               "cannot initialize PMD due to missing run-time dependency on"
-               " rdma-core libraries (libibverbs, libmlx5)");
-       return -rte_errno;
-}
-
-#endif
-
 /**
  * Driver initialization routine.
  */
@@ -3650,43 +3561,8 @@ RTE_INIT(rte_mlx5_pmd_init)
        mlx5_set_ptype_table();
        mlx5_set_cksum_table();
        mlx5_set_swp_types_table();
-       /*
-        * RDMAV_HUGEPAGES_SAFE tells ibv_fork_init() we intend to use
-        * huge pages. Calling ibv_fork_init() during init allows
-        * applications to use fork() safely for purposes other than
-        * using this PMD, which is not supported in forked processes.
-        */
-       setenv("RDMAV_HUGEPAGES_SAFE", "1", 1);
-       /* Match the size of Rx completion entry to the size of a cacheline. */
-       if (RTE_CACHE_LINE_SIZE == 128)
-               setenv("MLX5_CQE_SIZE", "128", 0);
-       /*
-        * MLX5_DEVICE_FATAL_CLEANUP tells ibv_destroy functions to
-        * cleanup all the Verbs resources even when the device was removed.
-        */
-       setenv("MLX5_DEVICE_FATAL_CLEANUP", "1", 1);
-#ifdef RTE_IBVERBS_LINK_DLOPEN
-       if (mlx5_glue_init())
-               return;
-       assert(mlx5_glue);
-#endif
-#ifndef NDEBUG
-       /* Glue structure must not contain any NULL pointers. */
-       {
-               unsigned int i;
-
-               for (i = 0; i != sizeof(*mlx5_glue) / sizeof(void *); ++i)
-                       assert(((const void *const *)mlx5_glue)[i]);
-       }
-#endif
-       if (strcmp(mlx5_glue->version, MLX5_GLUE_VERSION)) {
-               DRV_LOG(ERR,
-                       "rdma-core glue \"%s\" mismatch: \"%s\" is required",
-                       mlx5_glue->version, MLX5_GLUE_VERSION);
-               return;
-       }
-       mlx5_glue->fork_init();
-       rte_pci_register(&mlx5_driver);
+       if (mlx5_glue)
+               rte_pci_register(&mlx5_driver);
 }
 
 RTE_PMD_EXPORT_NAME(net_mlx5, __COUNTER__);