netdev - [PATCH mlx5-next 3/3] net/mlx5: Add support for RDMA TX FT headers modifying

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Date:   Fri, 15 May 2020 15:16:54 -0700
From:   Saeed Mahameed <saeedm@...lanox.com>
To:     Saeed Mahameed <saeedm@...lanox.com>,
        Leon Romanovsky <leonro@...lanox.com>
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        Michael Guralnik <michaelgur@...lanox.com>,
        Mark Bloch <markb@...lanox.com>,
        Maor Gottlieb <maorg@...lanox.com>
Subject: [PATCH mlx5-next 3/3] net/mlx5: Add support for RDMA TX FT headers modifying

From: Michael Guralnik <michaelgur@...lanox.com>

Support adding header modifying actions to the RDMA TX flow table.

Signed-off-by: Michael Guralnik <michaelgur@...lanox.com>
Reviewed-by: Mark Bloch <markb@...lanox.com>
Reviewed-by: Maor Gottlieb <maorg@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
 drivers/infiniband/hw/mlx5/flow.c                | 5 ++++-
 drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 4 ++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c
index 69cb7e6e8955..3a0601c2052c 100644
--- a/drivers/infiniband/hw/mlx5/flow.c
+++ b/drivers/infiniband/hw/mlx5/flow.c
@@ -404,7 +404,10 @@ static bool mlx5_ib_modify_header_supported(struct mlx5_ib_dev *dev)
 {
 	return MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev,
 					 max_modify_header_actions) ||
-	       MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev, max_modify_header_actions);
+	       MLX5_CAP_FLOWTABLE_NIC_TX(dev->mdev,
+					 max_modify_header_actions) ||
+	       MLX5_CAP_FLOWTABLE_RDMA_TX(dev->mdev,
+					 max_modify_header_actions);
 }
 
 static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)(
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index 1a8e826ac86b..465a1076a477 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -781,6 +781,10 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
 		max_actions = MLX5_CAP_ESW_INGRESS_ACL(dev, max_modify_header_actions);
 		table_type = FS_FT_ESW_INGRESS_ACL;
 		break;
+	case MLX5_FLOW_NAMESPACE_RDMA_TX:
+		max_actions = MLX5_CAP_FLOWTABLE_RDMA_TX(dev, max_modify_header_actions);
+		table_type = FS_FT_RDMA_TX;
+		break;
 	default:
 		return -EOPNOTSUPP;
 	}
-- 
2.25.4