diff options
| author | Meir Lichtinger <[email protected]> | 2020-10-26 15:37:38 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <[email protected]> | 2020-11-02 15:48:57 -0400 |
| commit | f946e45f59ef01ff54ffb3b1eba3a8e7915e7326 (patch) | |
| tree | 6a5e4ac80ce5fe6e24c763a0c24b1923d11391f5 | |
| parent | c7adf7717301558e8852949d8e3dc3748d1a4a97 (diff) | |
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/[email protected]
Signed-off-by: Meir Lichtinger <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 36b15a063e68..1efcb0129efe 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; } |