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 <tbogendoer...@suse.de>
---
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
