If there is no SFP module plugged into a port of mlx5 cards 'cat /sys/class/infniband/mlx5_X/ports/1/rate' returns Invalid argument. This causes tools like 'ibstat' to malfunction. This change adjusts mlx5 to all other RoCE/iWarp drivers, which always return valid speed/width. Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@xxxxxxx> --- drivers/infiniband/hw/mlx5/main.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 260f8be1d0ed..4388618e3434 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -246,7 +246,10 @@ static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, *active_speed = IB_SPEED_EDR; break; default: - return -EINVAL; + /* Unknown */ + *active_width = IB_WIDTH_1X; + *active_speed = IB_SPEED_SDR; + break; } return 0; -- 2.12.3 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
