1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.h b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.h
new file mode 100644
index 000000000000..34b80c3ef6a5
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
+
+#ifndef __MLX5_MACSEC_STEERING_H__
+#define __MLX5_MACSEC_STEERING_H__
+
+#ifdef CONFIG_MLX5_MACSEC
+
+/* Bit31 - 30: MACsec marker, Bit15-0: MACsec id */
+#define MLX5_MACEC_RX_FS_ID_MAX USHRT_MAX /* Must be power of two */
+#define MLX5_MACSEC_RX_FS_ID_MASK MLX5_MACEC_RX_FS_ID_MAX
+#define MLX5_MACSEC_METADATA_MARKER(metadata)  ((((metadata) >> 30) & 0x3)  == 0x1)
+#define MLX5_MACSEC_RX_METADAT_HANDLE(metadata)  ((metadata) & MLX5_MACSEC_RX_FS_ID_MASK)
+
+#define MLX5_MACSEC_NUM_OF_SUPPORTED_INTERFACES 16
+
+struct mlx5_macsec_fs;
+union mlx5_macsec_rule;
+
+struct mlx5_macsec_rule_attrs {
+	sci_t sci;
+	u32 macsec_obj_id;
+	u8 assoc_num;
+	int action;
+};
+
+struct mlx5_macsec_stats {
+	u64 macsec_rx_pkts;
+	u64 macsec_rx_bytes;
+	u64 macsec_rx_pkts_drop;
+	u64 macsec_rx_bytes_drop;
+	u64 macsec_tx_pkts;
+	u64 macsec_tx_bytes;
+	u64 macsec_tx_pkts_drop;
+	u64 macsec_tx_bytes_drop;
+};
+
+enum mlx5_macsec_action {
+	MLX5_ACCEL_MACSEC_ACTION_ENCRYPT,
+	MLX5_ACCEL_MACSEC_ACTION_DECRYPT,
+};
+
+void mlx5_macsec_fs_cleanup(struct mlx5_macsec_fs *macsec_fs);
+
+struct mlx5_macsec_fs *
+mlx5_macsec_fs_init(struct mlx5_core_dev *mdev);
+
+union mlx5_macsec_rule *
+mlx5_macsec_fs_add_rule(struct mlx5_macsec_fs *macsec_fs,
+			const struct macsec_context *ctx,
+			struct mlx5_macsec_rule_attrs *attrs,
+			u32 *sa_fs_id);
+
+void mlx5_macsec_fs_del_rule(struct mlx5_macsec_fs *macsec_fs,
+			     union mlx5_macsec_rule *macsec_rule,
+			     int action, void *macdev, u32 sa_fs_id);
+
+void mlx5_macsec_fs_get_stats_fill(struct mlx5_macsec_fs *macsec_fs, void *macsec_stats);
+struct mlx5_macsec_stats *mlx5_macsec_fs_get_stats(struct mlx5_macsec_fs *macsec_fs);
+u32 mlx5_macsec_fs_get_fs_id_from_hashtable(struct mlx5_macsec_fs *macsec_fs, sci_t *sci);
+
+#endif
+
+#endif /* __MLX5_MACSEC_STEERING_H__ */