net/mlx5: Add ifc bits for MACsec extended packet number (EPN) and replay protection
authorEmeel Hakim <ehakim@nvidia.com>
Wed, 21 Sep 2022 18:10:49 +0000 (11:10 -0700)
committerJakub Kicinski <kuba@kernel.org>
Fri, 23 Sep 2022 01:01:32 +0000 (18:01 -0700)
Add ifc bits related to advanced steering operations (ASO) and general
object modify for macsec to use as part of offloading EPN and replay
protection features.

Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Emeel Hakim <ehakim@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
include/linux/mlx5/mlx5_ifc.h

index da0ed11..bd577b9 100644 (file)
@@ -11558,6 +11558,20 @@ struct mlx5_ifc_modify_ipsec_obj_in_bits {
        struct mlx5_ifc_ipsec_obj_bits ipsec_object;
 };
 
+enum {
+       MLX5_MACSEC_ASO_REPLAY_PROTECTION = 0x1,
+};
+
+enum {
+       MLX5_MACSEC_ASO_REPLAY_WIN_32BIT  = 0x0,
+       MLX5_MACSEC_ASO_REPLAY_WIN_64BIT  = 0x1,
+       MLX5_MACSEC_ASO_REPLAY_WIN_128BIT = 0x2,
+       MLX5_MACSEC_ASO_REPLAY_WIN_256BIT = 0x3,
+};
+
+#define MLX5_MACSEC_ASO_INC_SN  0x2
+#define MLX5_MACSEC_ASO_REG_C_4_5 0x2
+
 struct mlx5_ifc_macsec_aso_bits {
        u8    valid[0x1];
        u8    reserved_at_1[0x1];
@@ -11619,6 +11633,21 @@ struct mlx5_ifc_create_macsec_obj_in_bits {
        struct mlx5_ifc_macsec_offload_obj_bits macsec_object;
 };
 
+struct mlx5_ifc_modify_macsec_obj_in_bits {
+       struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+       struct mlx5_ifc_macsec_offload_obj_bits macsec_object;
+};
+
+enum {
+       MLX5_MODIFY_MACSEC_BITMASK_EPN_OVERLAP = BIT(0),
+       MLX5_MODIFY_MACSEC_BITMASK_EPN_MSB = BIT(1),
+};
+
+struct mlx5_ifc_query_macsec_obj_out_bits {
+       struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
+       struct mlx5_ifc_macsec_offload_obj_bits macsec_object;
+};
+
 struct mlx5_ifc_encryption_key_obj_bits {
        u8         modify_field_select[0x40];