RDMA/mlx5: Add support for 1600_8x lane speed Add a check for 1600G_8X link speed when querying PTYS and report it back correctly when needed. While at it, adjust mlx5 function which maps the speed rate from IB spec values to internal driver values to be able to handle speeds up to 1600Gbps. Reviewed-by: Michael Guralnik <michaelgur@nvidia.com> Signed-off-by: Maher Sanalla <msanalla@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index ad7b2f2..b19930a 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c
@@ -511,6 +511,10 @@ static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed, *active_width = IB_WIDTH_4X; *active_speed = IB_SPEED_XDR; break; + case MLX5E_PROT_MASK(MLX5E_1600TAUI_8_1600TBASE_CR8_KR8): + *active_width = IB_WIDTH_8X; + *active_speed = IB_SPEED_XDR; + break; default: return -EINVAL; }
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c index 1356f8f..cd2f03e 100644 --- a/drivers/infiniband/hw/mlx5/qp.c +++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3453,10 +3453,11 @@ int mlx5r_ib_rate(struct mlx5_ib_dev *dev, u8 rate) { u32 stat_rate_support; - if (rate == IB_RATE_PORT_CURRENT || rate == IB_RATE_800_GBPS) + if (rate == IB_RATE_PORT_CURRENT || rate == IB_RATE_800_GBPS || + rate == IB_RATE_1600_GBPS) return 0; - if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_800_GBPS) + if (rate < IB_RATE_2_5_GBPS || rate > IB_RATE_1600_GBPS) return -EINVAL; stat_rate_support = MLX5_CAP_GEN(dev->mdev, stat_rate_support);