From e818e255a58d64e86c8c93e3aa52498b1a3d1760 Mon Sep 17 00:00:00 2001 From: Ariel Levkovich Date: Sun, 13 May 2018 14:33:35 +0300 Subject: IB/mlx5: Expose MPLS related tunneling offloads This patch reports the device's capbilities to offload encapsulated MPLS tunnel protocols to user-space: - Capability to offload MPLS over GRE. - Capability to offload MPLS over UDP. Reviewed-by: Mark Bloch Signed-off-by: Ariel Levkovich Signed-off-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/hw/mlx5/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/infiniband/hw') diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8792248034cb..ab8cd5c034a2 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -1084,6 +1084,14 @@ static int mlx5_ib_query_device(struct ib_device *ibdev, if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) resp.tunnel_offloads_caps |= MLX5_IB_TUNNELED_OFFLOADS_GRE; + if (MLX5_CAP_GEN(mdev, flex_parser_protocols) & + MLX5_FLEX_PROTO_CW_MPLS_GRE) + resp.tunnel_offloads_caps |= + MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE; + if (MLX5_CAP_GEN(mdev, flex_parser_protocols) & + MLX5_FLEX_PROTO_CW_MPLS_UDP) + resp.tunnel_offloads_caps |= + MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP; } if (uhw->outlen) { -- cgit v1.2.3