IB/mlx5: Add support for NDR link speed
The IBTA specification has new speed - NDR. That speed supports signaling
rate of 100Gb. mlx5 IB driver translates link modes reported by ConnectX
device to IB speed and width. Added translation of new 100Gb, 200Gb and
400Gb link modes to NDR IB type and width of x1, x2 or x4 respectively.
Link: https://lore.kernel.org/r/20201026133738.1340432-3-leon@kernel.org
Signed-off-by: Meir Lichtinger <meirl@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 36b15a0..1efcb01 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -419,10 +419,22 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed,
*active_width = IB_WIDTH_2X;
*active_speed = IB_SPEED_HDR;
break;
+ case MLX5E_PROT_MASK(MLX5E_100GAUI_1_100GBASE_CR_KR):
+ *active_width = IB_WIDTH_1X;
+ *active_speed = IB_SPEED_NDR;
+ break;
case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4):
*active_width = IB_WIDTH_4X;
*active_speed = IB_SPEED_HDR;
break;
+ case MLX5E_PROT_MASK(MLX5E_200GAUI_2_200GBASE_CR2_KR2):
+ *active_width = IB_WIDTH_2X;
+ *active_speed = IB_SPEED_NDR;
+ break;
+ case MLX5E_PROT_MASK(MLX5E_400GAUI_4_400GBASE_CR4_KR4):
+ *active_width = IB_WIDTH_4X;
+ *active_speed = IB_SPEED_NDR;
+ break;
default:
return -EINVAL;
}