From: Aviad Yehezkel <aviadye@mellanox.com>
Date: Wed, 28 Mar 2018 09:27:52 +0300
Subject: {net,IB}/mlx5: Add ipsec helper
Patch-mainline: v4.17-rc1
Git-commit: 363c5a570d4a386fa1bf8d3833de817d7c4fcda2
References: bsc#1103990 FATE#326006

Simple wrapper to understand if we are dealing with IPsec flow.

Signed-off-by: Aviad Yehezkel <aviadye@mellanox.com>
Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/linux/mlx5/fs_helpers.h |    8 ++++++++
 1 file changed, 8 insertions(+)

--- a/include/linux/mlx5/fs_helpers.h
+++ b/include/linux/mlx5/fs_helpers.h
@@ -38,6 +38,14 @@
 #define MLX5_FS_IPV4_VERSION 4
 #define MLX5_FS_IPV6_VERSION 6
 
+static inline bool mlx5_fs_is_ipsec_flow(const u32 *match_c)
+{
+	void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c,
+					   misc_parameters);
+
+	return MLX5_GET(fte_match_set_misc, misc_params_c, outer_esp_spi);
+}
+
 static inline bool _mlx5_fs_is_outer_ipproto_flow(const u32 *match_c,
 						  const u32 *match_v, u8 match)
 {