mlx4: check if port is configured for ethernet

Notify user otherwise. A similar check has already been added to mlx5 in
commit "mlx5: check port is configured as ethernet device".

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>

diff --git a/drivers/net/mlx4/mlx4.c b/drivers/net/mlx4/mlx4.c
index 65d93ce..a5991ce 100644 (file)
--- a/drivers/net/mlx4/mlx4.c
+++ b/drivers/net/mlx4/mlx4.c
@@ -5484,6 +5484,13 @@ mlx4_pci_devinit(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
                        ERROR("port query failed: %s", strerror(err));
                        goto port_error;
                }
+
+               if (port_attr.link_layer != IBV_LINK_LAYER_ETHERNET) {
+                       ERROR("port %d is not configured in Ethernet mode",
+                             port);
+                       goto port_error;
+               }
+
                if (port_attr.state != IBV_PORT_ACTIVE)
                        DEBUG("port %d is not active: \"%s\" (%d)",
                              port, ibv_port_state_str(port_attr.state),