crypto: introduce async crypto infra

Type: feature

Signed-off-by: Damjan Marion <damarion@cisco.com>
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com>
Signed-off-by: Dariusz Kazimierski <dariuszx.kazimierski@intel.com>
Signed-off-by: Piotr Kleski <piotrx.kleski@intel.com>
Change-Id: I4c3fcccf55c36842b7b48aed260fef2802b5c54b
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index f1b7daf..712e16d 100644
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -28,6 +28,7 @@
 
 typedef clib_error_t *(*add_del_sa_sess_cb_t) (u32 sa_index, u8 is_add);
 typedef clib_error_t *(*check_support_cb_t) (ipsec_sa_t * sa);
+typedef clib_error_t *(*enable_disable_cb_t) (int is_enable);
 
 typedef struct
 {
@@ -53,6 +54,8 @@
   add_del_sa_sess_cb_t add_del_sa_sess_cb;
   /* check support function */
   check_support_cb_t check_support_cb;
+  /* enable or disable function */
+  enable_disable_cb_t enable_disable_cb;
   u32 esp4_encrypt_node_index;
   u32 esp4_decrypt_node_index;
   u32 esp4_encrypt_next_index;
@@ -194,6 +197,8 @@
   u32 esp6_enc_tun_fq_index;
   u32 esp4_dec_tun_fq_index;
   u32 esp6_dec_tun_fq_index;
+
+  u8 async_mode;
 } ipsec_main_t;
 
 typedef enum ipsec_format_flags_t_
@@ -266,7 +271,8 @@
 				const char *esp6_decrypt_node_name,
 				const char *esp6_decrypt_tun_node_name,
 				check_support_cb_t esp_check_support_cb,
-				add_del_sa_sess_cb_t esp_add_del_sa_sess_cb);
+				add_del_sa_sess_cb_t esp_add_del_sa_sess_cb,
+				enable_disable_cb_t enable_disable_cb);
 
 int ipsec_select_ah_backend (ipsec_main_t * im, u32 ah_backend_idx);
 int ipsec_select_esp_backend (ipsec_main_t * im, u32 esp_backend_idx);
@@ -282,6 +288,7 @@
 void ipsec_add_feature (const char *arc_name, const char *node_name,
 			u32 * out_feature_index);
 
+void ipsec_set_async_mode (u32 is_enabled);
 
 #endif /* __IPSEC_H__ */