RDMA/mlx5: Enable reformat on NIC RX if supported

A L3_TUNNEL_TO_L2 decap flow action requires to enable the encap bit on
the flow table, enable it if supported. This will allow to attach those
flow actions to NIC RX steering. We don't enable if running on a
representor.

Signed-off-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 5ae31ad1a4387c5451e42728fcb7aa7b64a95b1b..b5f0ab88e064d0ac0f0e4c5df225d232106d1e18 100644 (file)
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3095,6 +3095,10 @@ static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev,
                        if (!dev->rep &&
                            MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, decap))
                                flags |= MLX5_FLOW_TABLE_TUNNEL_EN_DECAP;
+                       if (!dev->rep &&
+                           MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
+                                       reformat_l3_tunnel_to_l2))
+                               flags |= MLX5_FLOW_TABLE_TUNNEL_EN_REFORMAT;
                } else {
                        max_table_size =
                                BIT(MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,