IB/mlx5: Always return success for RoCE modify port

CM layer calls ib_modify_port() regardless of the link layer.

For the Ethernet ports, qkey violation and Port capabilities
are meaningless. Therefore, always return success for ib_modify_port
calls on the Ethernet ports.

Cc: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a7f2e60085c46c2300e3695029fbe1373cc0d480..f7fcde1ff0aae66fef09d6eaccf8f9de6b008ba1 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1085,6 +1085,12 @@ static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
        bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) ==
                      IB_LINK_LAYER_INFINIBAND);
 
+       /* CM layer calls ib_modify_port() regardless of the link layer. For
+        * Ethernet ports, qkey violation and Port capabilities are meaningless.
+        */
+       if (!is_ib)
+               return 0;
+
        if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) {
                change_mask = props->clr_port_cap_mask | props->set_port_cap_mask;
                value = ~props->clr_port_cap_mask | props->set_port_cap_mask;