From: Raed Salem <raeds@mellanox.com>
Date: Fri, 24 Apr 2020 12:45:10 -0700
Subject: net/mlx5: TX WQE Add trailer insertion field
Patch-mainline: v5.8-rc1
Git-commit: 2dc8b5246d2c94f732c02e7a688d8a9c0c65361f
References: jsc#SLE-15172

Add new TX WQE field for Connect-X6DX trailer insertion support,
when set, the HW adds a trailer to the packet, the WQE trailer
association flags are used to set to HW the header which the
trailer belongs.

Signed-off-by: Raed Salem <raeds@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/linux/mlx5/qp.h |    6 ++++++
 1 file changed, 6 insertions(+)

--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -229,6 +229,11 @@ enum {
 
 enum {
 	MLX5_ETH_WQE_SVLAN              = 1 << 0,
+	MLX5_ETH_WQE_TRAILER_HDR_OUTER_IP_ASSOC = 1 << 26,
+	MLX5_ETH_WQE_TRAILER_HDR_OUTER_L4_ASSOC = 1 << 27,
+	MLX5_ETH_WQE_TRAILER_HDR_INNER_IP_ASSOC = 3 << 26,
+	MLX5_ETH_WQE_TRAILER_HDR_INNER_L4_ASSOC = 1 << 28,
+	MLX5_ETH_WQE_INSERT_TRAILER     = 1 << 30,
 	MLX5_ETH_WQE_INSERT_VLAN        = 1 << 15,
 };
 
@@ -257,6 +262,7 @@ struct mlx5_wqe_eth_seg {
 			__be16 type;
 			__be16 vlan_tci;
 		} insert;
+		__be32 trailer;
 	};
 };