netdev - [net-next v2 10/16] net/mlx5: Add misc5 flow table match parameters

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Date:   Fri, 31 Dec 2021 00:20:32 -0800
From:   Saeed Mahameed <saeed@...nel.org>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, Muhammad Sammar <muhammads@...dia.com>,
        Yevgeny Kliteynik <kliteyn@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: [net-next v2 10/16] net/mlx5: Add misc5 flow table match parameters

From: Muhammad Sammar <muhammads@...dia.com>

Add support for misc5 match parameter as per HW spec, this will allow
matching on tunnel_header fields.

Signed-off-by: Muhammad Sammar <muhammads@...dia.com>
Signed-off-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
 .../net/ethernet/mellanox/mlx5/core/fs_core.h |  2 +-
 include/linux/mlx5/device.h                   |  1 +
 include/linux/mlx5/mlx5_ifc.h                 | 25 ++++++++++++++++++-
 include/uapi/rdma/mlx5_user_ioctl_cmds.h      |  2 +-
 4 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
index 7711db245c63..5469b08d635f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.h
@@ -203,7 +203,7 @@ struct mlx5_ft_underlay_qp {
 	u32 qpn;
 };
 
-#define MLX5_FTE_MATCH_PARAM_RESERVED	reserved_at_c00
+#define MLX5_FTE_MATCH_PARAM_RESERVED	reserved_at_e00
 /* Calculate the fte_match_param length and without the reserved length.
  * Make sure the reserved field is the last.
  */
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 9c25edfd59a6..604b85dd770a 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1117,6 +1117,7 @@ enum {
 	MLX5_MATCH_MISC_PARAMETERS_2	= 1 << 3,
 	MLX5_MATCH_MISC_PARAMETERS_3	= 1 << 4,
 	MLX5_MATCH_MISC_PARAMETERS_4	= 1 << 5,
+	MLX5_MATCH_MISC_PARAMETERS_5	= 1 << 6,
 };
 
 enum {
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 18b816b41545..c74c5e147cb9 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -670,6 +670,26 @@ struct mlx5_ifc_fte_match_set_misc4_bits {
 	u8         reserved_at_100[0x100];
 };
 
+struct mlx5_ifc_fte_match_set_misc5_bits {
+	u8         macsec_tag_0[0x20];
+
+	u8         macsec_tag_1[0x20];
+
+	u8         macsec_tag_2[0x20];
+
+	u8         macsec_tag_3[0x20];
+
+	u8         tunnel_header_0[0x20];
+
+	u8         tunnel_header_1[0x20];
+
+	u8         tunnel_header_2[0x20];
+
+	u8         tunnel_header_3[0x20];
+
+	u8         reserved_at_100[0x100];
+};
+
 struct mlx5_ifc_cmd_pas_bits {
 	u8         pa_h[0x20];
 
@@ -1839,7 +1859,9 @@ struct mlx5_ifc_fte_match_param_bits {
 
 	struct mlx5_ifc_fte_match_set_misc4_bits misc_parameters_4;
 
-	u8         reserved_at_c00[0x400];
+	struct mlx5_ifc_fte_match_set_misc5_bits misc_parameters_5;
+
+	u8         reserved_at_e00[0x200];
 };
 
 enum {
@@ -5977,6 +5999,7 @@ enum {
 	MLX5_QUERY_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_2 = 0x3,
 	MLX5_QUERY_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_3 = 0x4,
 	MLX5_QUERY_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_4 = 0x5,
+	MLX5_QUERY_FLOW_GROUP_IN_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS_5 = 0x6,
 };
 
 struct mlx5_ifc_query_flow_group_out_bits {
diff --git a/include/uapi/rdma/mlx5_user_ioctl_cmds.h b/include/uapi/rdma/mlx5_user_ioctl_cmds.h
index ca2372864b70..e539c84d63f1 100644
--- a/include/uapi/rdma/mlx5_user_ioctl_cmds.h
+++ b/include/uapi/rdma/mlx5_user_ioctl_cmds.h
@@ -252,7 +252,7 @@ enum mlx5_ib_device_query_context_attrs {
 	MLX5_IB_ATTR_QUERY_CONTEXT_RESP_UCTX = (1U << UVERBS_ID_NS_SHIFT),
 };
 
-#define MLX5_IB_DW_MATCH_PARAM 0x90
+#define MLX5_IB_DW_MATCH_PARAM 0xA0
 
 struct mlx5_ib_match_params {
 	__u32	match_params[MLX5_IB_DW_MATCH_PARAM];
-- 
2.33.1