[PATCH rdma-rc 3/3] IB/mlx5: Always return success for RoCE modify port

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From: Majd Dibbiny <majd@xxxxxxxxxxxx>

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@xxxxxxxxxxxx>
Signed-off-by: Majd Dibbiny <majd@xxxxxxxxxxxx>
Reviewed-by: Moni Shoua <monis@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
---
 drivers/infiniband/hw/mlx5/main.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index a7f2e60085c4..f7fcde1ff0aa 100644
--- 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;
--
2.14.1

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