net/mlx5: fix link status initialization

[dpdk.git] / drivers / net / mlx5 / mlx5.c

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index dda1946..68783c3 100644 (file)
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -69,6 +69,9 @@
 /* Device parameter to enable hardware Rx vector. */
 #define MLX5_RX_VEC_EN "rx_vec_en"
 
+/* Activate Netlink support in VF mode. */
+#define MLX5_VF_NL_EN "vf_nl_en"
+
 #ifndef HAVE_IBV_MLX5_MOD_MPW
 #define MLX5DV_CONTEXT_FLAGS_MPW_ALLOWED (1 << 2)
 #define MLX5DV_CONTEXT_FLAGS_ENHANCED_MPW (1 << 3)
@@ -412,6 +415,8 @@ mlx5_args_check(const char *key, const char *val, void *opaque)
                config->tx_vec_en = !!tmp;
        } else if (strcmp(MLX5_RX_VEC_EN, key) == 0) {
                config->rx_vec_en = !!tmp;
+       } else if (strcmp(MLX5_VF_NL_EN, key) == 0) {
+               config->vf_nl_en = !!tmp;
        } else {
                DRV_LOG(WARNING, "%s: unknown parameter", key);
                rte_errno = EINVAL;
@@ -443,6 +448,7 @@ mlx5_args(struct mlx5_dev_config *config, struct rte_devargs *devargs)
                MLX5_TXQ_MAX_INLINE_LEN,
                MLX5_TX_VEC_EN,
                MLX5_RX_VEC_EN,
+               MLX5_VF_NL_EN,
                NULL,
        };
        struct rte_kvargs *kvlist;
@@ -754,6 +760,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                        .txq_inline = MLX5_ARG_UNSET,
                        .txqs_inline = MLX5_ARG_UNSET,
                        .inline_max_packet_sz = MLX5_ARG_UNSET,
+                       .vf_nl_en = 1,
                };
 
                len = snprintf(name, sizeof(name), PCI_PRI_FMT,
@@ -970,7 +977,7 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                claim_zero(mlx5_mac_addr_add(eth_dev, &mac, 0, 0));
                priv->nl_socket = -1;
                priv->nl_sn = 0;
-               if (vf) {
+               if (vf && config.vf_nl_en) {
                        priv->nl_socket = mlx5_nl_init(RTMGRP_LINK);
                        if (priv->nl_socket < 0)
                                priv->nl_socket = -1;
@@ -991,6 +998,12 @@ mlx5_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
                DRV_LOG(DEBUG, "port %u forcing Ethernet interface up",
                        eth_dev->data->port_id);
                mlx5_set_link_up(eth_dev);
+               /*
+                * Even though the interrupt handler is not installed yet,
+                * interrupts will still trigger on the asyn_fd from
+                * Verbs context returned by ibv_open_device().
+                */
+               mlx5_link_update(eth_dev, 0);
                /* Store device configuration on private structure. */
                priv->config = config;
                continue;