From: Mark Bloch <markb@mellanox.com>
Date: Sun, 2 Sep 2018 09:51:32 +0000 (+0300)
Subject: RDMA/mlx5: Enable attaching modify header to steering flows
X-Git-Tag: v4.20-rc1~110^2~191
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=b1085be3f468a58d4a43f3ea878ecb6c10910552;p=linux-block.git

RDMA/mlx5: Enable attaching modify header to steering flows

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

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 ed323db1b6d2..8a4cdba6be8c 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2474,6 +2474,14 @@ 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;
 	}