1 files changed, 79 insertions, 31 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 6164c7f59efb..16bcceec16c4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -40,11 +40,56 @@
 #include <net/xfrm.h>
 #include <linux/idr.h>
 
-#include "accel/ipsec.h"
-
 #define MLX5E_IPSEC_SADB_RX_BITS 10
 #define MLX5E_IPSEC_ESN_SCOPE_MID 0x80000000L
 
+enum mlx5_accel_esp_flags {
+	MLX5_ACCEL_ESP_FLAGS_TUNNEL            = 0,    /* Default */
+	MLX5_ACCEL_ESP_FLAGS_TRANSPORT         = 1UL << 0,
+	MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED     = 1UL << 1,
+	MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP = 1UL << 2,
+};
+
+enum mlx5_accel_esp_action {
+	MLX5_ACCEL_ESP_ACTION_DECRYPT,
+	MLX5_ACCEL_ESP_ACTION_ENCRYPT,
+};
+
+struct aes_gcm_keymat {
+	u64   seq_iv;
+
+	u32   salt;
+	u32   icv_len;
+
+	u32   key_len;
+	u32   aes_key[256 / 32];
+};
+
+struct mlx5_accel_esp_xfrm_attrs {
+	enum mlx5_accel_esp_action action;
+	u32   esn;
+	u32   spi;
+	u32   flags;
+	struct aes_gcm_keymat aes_gcm;
+
+	union {
+		__be32 a4;
+		__be32 a6[4];
+	} saddr;
+
+	union {
+		__be32 a4;
+		__be32 a6[4];
+	} daddr;
+
+	u8 is_ipv6;
+};
+
+enum mlx5_ipsec_cap {
+	MLX5_IPSEC_CAP_CRYPTO		= 1 << 0,
+	MLX5_IPSEC_CAP_ESN		= 1 << 1,
+};
+
 struct mlx5e_priv;
 
 struct mlx5e_ipsec_sw_stats {
@@ -55,37 +100,16 @@ struct mlx5e_ipsec_sw_stats {
 	atomic64_t ipsec_tx_drop_no_state;
 	atomic64_t ipsec_tx_drop_not_ip;
 	atomic64_t ipsec_tx_drop_trailer;
-	atomic64_t ipsec_tx_drop_metadata;
-};
-
-struct mlx5e_ipsec_stats {
-	u64 ipsec_dec_in_packets;
-	u64 ipsec_dec_out_packets;
-	u64 ipsec_dec_bypass_packets;
-	u64 ipsec_enc_in_packets;
-	u64 ipsec_enc_out_packets;
-	u64 ipsec_enc_bypass_packets;
-	u64 ipsec_dec_drop_packets;
-	u64 ipsec_dec_auth_fail_packets;
-	u64 ipsec_enc_drop_packets;
-	u64 ipsec_add_sa_success;
-	u64 ipsec_add_sa_fail;
-	u64 ipsec_del_sa_success;
-	u64 ipsec_del_sa_fail;
-	u64 ipsec_cmd_drop;
 };
 
 struct mlx5e_accel_fs_esp;
 struct mlx5e_ipsec_tx;
 
 struct mlx5e_ipsec {
-	struct mlx5e_priv *en_priv;
+	struct mlx5_core_dev *mdev;
 	DECLARE_HASHTABLE(sadb_rx, MLX5E_IPSEC_SADB_RX_BITS);
-	bool no_trailer;
-	spinlock_t sadb_rx_lock; /* Protects sadb_rx and halloc */
-	struct ida halloc;
+	spinlock_t sadb_rx_lock; /* Protects sadb_rx */
 	struct mlx5e_ipsec_sw_stats sw_stats;
-	struct mlx5e_ipsec_stats stats;
 	struct workqueue_struct *wq;
 	struct mlx5e_accel_fs_esp *rx_fs;
 	struct mlx5e_ipsec_tx *tx_fs;
@@ -102,21 +126,26 @@ struct mlx5e_ipsec_rule {
 	struct mlx5_modify_hdr *set_modify_hdr;
 };
 
+struct mlx5e_ipsec_modify_state_work {
+	struct work_struct		work;
+	struct mlx5_accel_esp_xfrm_attrs attrs;
+};
+
 struct mlx5e_ipsec_sa_entry {
 	struct hlist_node hlist; /* Item in SADB_RX hashtable */
 	struct mlx5e_ipsec_esn_state esn_state;
 	unsigned int handle; /* Handle in SADB_RX */
 	struct xfrm_state *x;
 	struct mlx5e_ipsec *ipsec;
-	struct mlx5_accel_esp_xfrm *xfrm;
-	void *hw_context;
+	struct mlx5_accel_esp_xfrm_attrs attrs;
 	void (*set_iv_op)(struct sk_buff *skb, struct xfrm_state *x,
 			  struct xfrm_offload *xo);
 	u32 ipsec_obj_id;
+	u32 enc_key_id;
 	struct mlx5e_ipsec_rule ipsec_rule;
+	struct mlx5e_ipsec_modify_state_work modify_work;
 };
 
-void mlx5e_ipsec_build_inverse_table(void);
 int mlx5e_ipsec_init(struct mlx5e_priv *priv);
 void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv);
 void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
@@ -124,12 +153,27 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
 struct xfrm_state *mlx5e_ipsec_sadb_rx_lookup(struct mlx5e_ipsec *dev,
 					      unsigned int handle);
 
-#else
+void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec);
+int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec);
+int mlx5e_accel_ipsec_fs_add_rule(struct mlx5e_priv *priv,
+				  struct mlx5e_ipsec_sa_entry *sa_entry);
+void mlx5e_accel_ipsec_fs_del_rule(struct mlx5e_priv *priv,
+				   struct mlx5e_ipsec_sa_entry *sa_entry);
+
+int mlx5_ipsec_create_sa_ctx(struct mlx5e_ipsec_sa_entry *sa_entry);
+void mlx5_ipsec_free_sa_ctx(struct mlx5e_ipsec_sa_entry *sa_entry);
 
-static inline void mlx5e_ipsec_build_inverse_table(void)
+u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev);
+
+void mlx5_accel_esp_modify_xfrm(struct mlx5e_ipsec_sa_entry *sa_entry,
+				const struct mlx5_accel_esp_xfrm_attrs *attrs);
+
+static inline struct mlx5_core_dev *
+mlx5e_ipsec_sa2dev(struct mlx5e_ipsec_sa_entry *sa_entry)
 {
+	return sa_entry->ipsec->mdev;
 }
-
+#else
 static inline int mlx5e_ipsec_init(struct mlx5e_priv *priv)
 {
 	return 0;
@@ -143,6 +187,10 @@ static inline void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
 {
 }
 
+static inline u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev)
+{
+	return 0;
+}
 #endif
 
 #endif	/* __MLX5E_IPSEC_H__ */