[RFC PATCH rdma-next 12/18] RDMA/mlx5: Enable attaching modify header to steering flows

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From: Mark Bloch <markb@xxxxxxxxxxxx>

When creating a flow steering rule, allow the user to attach a modify
header action.

Signed-off-by: Mark Bloch <markb@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
---
 drivers/infiniband/hw/mlx5/main.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 79b58713c05d..fe4640fe025b 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2468,6 +2468,14 @@ static int parse_flow_flow_action(const union ib_flow_spec *ib_spec,
 			MLX5_FLOW_CONTEXT_ACTION_ENCRYPT :
 			MLX5_FLOW_CONTEXT_ACTION_DECRYPT;
 		return 0;
+	case IB_FLOW_ACTION_UNSPECIFIED:
+		if (maction->flow_action_raw.sub_type ==
+		    MLX5_IB_FLOW_ACTION_MODIFY_HEADER) {
+			action->action |= MLX5_FLOW_CONTEXT_ACTION_MOD_HDR;
+			action->modify_id = maction->flow_action_raw.action_id;
+			return 0;
+		}
+		/* fall through */
 	default:
 		return -EOPNOTSUPP;
 	}
--
2.14.4

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