ipsec: Support MPLS over IPSec[46] interface

[vpp.git] / src / vnet / ipsec / ipsec.h

diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index 7646ffb..c370fb1 100644 (file)
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -26,6 +26,10 @@
 #include <vnet/ipsec/ipsec_spd_policy.h>
 #include <vnet/ipsec/ipsec_sa.h>
 
+#include <vppinfra/bihash_8_16.h>
+
+#include <vppinfra/bihash_24_16.h>
+
 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);
@@ -70,6 +74,7 @@ typedef struct
   u32 esp6_decrypt_tun_node_index;
   u32 esp6_decrypt_tun_next_index;
   u32 esp6_encrypt_tun_node_index;
+  u32 esp_mpls_encrypt_tun_node_index;
 } ipsec_esp_backend_t;
 
 typedef struct
@@ -78,7 +83,7 @@ typedef struct
   vnet_crypto_op_id_t dec_op_id;
   vnet_crypto_alg_t alg;
   u8 iv_size;
-  u8 block_size;
+  u8 block_align;
   u8 icv_size;
 } ipsec_main_crypto_alg_t;
 
@@ -108,6 +113,9 @@ typedef struct
   /* pool of policies */
   ipsec_policy_t *policies;
 
+  /* hash tables of UDP port registrations */
+  uword *udp_port_registrations;
+
   uword *tunnel_index_by_key;
 
   /* convenience */
@@ -122,8 +130,9 @@ typedef struct
   uword *ipsec6_if_pool_index_by_key;
   uword *ipsec_if_real_dev_by_show_dev;
   uword *ipsec_if_by_sw_if_index;
-  uword *tun4_protect_by_key;
-  uword *tun6_protect_by_key;
+
+  clib_bihash_8_16_t tun4_protect_by_key;
+  clib_bihash_24_16_t tun6_protect_by_key;
 
   /* node indices */
   u32 error_drop_node_index;
@@ -137,6 +146,7 @@ typedef struct
   u32 esp6_decrypt_node_index;
   u32 esp6_decrypt_tun_node_index;
   u32 esp6_encrypt_tun_node_index;
+  u32 esp_mpls_encrypt_tun_node_index;
   u32 ah6_encrypt_node_index;
   u32 ah6_decrypt_node_index;
   /* next node indices */
@@ -193,6 +203,7 @@ typedef struct
   u32 esp6_dec_fq_index;
   u32 esp4_enc_tun_fq_index;
   u32 esp6_enc_tun_fq_index;
+  u32 esp_mpls_enc_tun_fq_index;
   u32 esp4_dec_tun_fq_index;
   u32 esp6_dec_tun_fq_index;
 
@@ -223,10 +234,11 @@ extern vlib_node_registration_t esp6_encrypt_node;
 extern vlib_node_registration_t esp6_decrypt_node;
 extern vlib_node_registration_t esp4_encrypt_tun_node;
 extern vlib_node_registration_t esp6_encrypt_tun_node;
+extern vlib_node_registration_t esp_mpls_encrypt_tun_node;
 extern vlib_node_registration_t esp4_decrypt_tun_node;
 extern vlib_node_registration_t esp6_decrypt_tun_node;
-extern vlib_node_registration_t ipsec4_if_input_node;
-extern vlib_node_registration_t ipsec6_if_input_node;
+extern vlib_node_registration_t ipsec4_tun_input_node;
+extern vlib_node_registration_t ipsec6_tun_input_node;
 
 /*
  * functions
@@ -258,19 +270,16 @@ u32 ipsec_register_ah_backend (vlib_main_t * vm, ipsec_main_t * im,
                               check_support_cb_t ah_check_support_cb,
                               add_del_sa_sess_cb_t ah_add_del_sa_sess_cb);
 
-u32 ipsec_register_esp_backend (vlib_main_t * vm, ipsec_main_t * im,
-                               const char *name,
-                               const char *esp4_encrypt_node_name,
-                               const char *esp4_encrypt_tun_node_name,
-                               const char *esp4_decrypt_node_name,
-                               const char *esp4_decrypt_tun_node_name,
-                               const char *esp6_encrypt_node_name,
-                               const char *esp6_encrypt_tun_node_name,
-                               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,
-                               enable_disable_cb_t enable_disable_cb);
+u32 ipsec_register_esp_backend (
+  vlib_main_t *vm, ipsec_main_t *im, const char *name,
+  const char *esp4_encrypt_node_name, const char *esp4_encrypt_tun_node_name,
+  const char *esp4_decrypt_node_name, const char *esp4_decrypt_tun_node_name,
+  const char *esp6_encrypt_node_name, const char *esp6_encrypt_tun_node_name,
+  const char *esp6_decrypt_node_name, const char *esp6_decrypt_tun_node_name,
+  const char *esp_mpls_encrypt_tun_node_name,
+  check_support_cb_t esp_check_support_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);
@@ -284,6 +293,13 @@ ipsec_sa_get (u32 sa_index)
   return (pool_elt_at_index (ipsec_main.sad, sa_index));
 }
 
+void ipsec_add_feature (const char *arc_name, const char *node_name,
+                       u32 * out_feature_index);
+
+void ipsec_set_async_mode (u32 is_enabled);
+extern void ipsec_register_udp_port (u16 udp_port);
+extern void ipsec_unregister_udp_port (u16 udp_port);
+
 #endif /* __IPSEC_H__ */
 
 /*