acl-plugin: CLI to clear all sessions

[vpp.git] / src / plugins / snat / nat64.h

diff --git a/src/plugins/snat/nat64.h b/src/plugins/snat/nat64.h
index 429b8c0..771b907 100644 (file)
--- a/src/plugins/snat/nat64.h
+++ b/src/plugins/snat/nat64.h
@@ -39,6 +39,14 @@ typedef enum
 #undef _
 } nat64_tcp_ses_state_t;
 
+typedef struct
+{
+  ip6_address_t prefix;
+  u8 plen;
+  u32 vrf_id;
+  u32 fib_index;
+} nat64_prefix_t;
+
 typedef struct
 {
   /** Interface pool */
@@ -47,7 +55,10 @@ typedef struct
   /** Address pool vector */
   snat_address_t *addr_pool;
 
-  /** BIB and session DB **/
+  /** Pref64 vector */
+  nat64_prefix_t *pref64;
+
+  /** BIB and session DB */
   nat64_db_t db;
 
   /* values of various timeouts */
@@ -57,6 +68,8 @@ typedef struct
   u32 tcp_est_timeout;
   u32 tcp_incoming_syn_timeout;
 
+  u8 is_disabled;
+
   snat_main_t *sm;
 } nat64_main_t;
 
@@ -249,6 +262,52 @@ void nat64_session_reset_timeout (nat64_db_st_entry_t * ste,
 void nat64_tcp_session_set_state (nat64_db_st_entry_t * ste,
                                  tcp_header_t * tcp, u8 is_ip6);
 
+/**
+ * @brief Add/delete NAT64 prefix.
+ *
+ * @param prefix NAT64 prefix.
+ * @param plen Prefix length.
+ * @param vrf_id VRF id of tenant.
+ * @param is_add 1 if add, 0 if delete.
+ *
+ * @returns 0 on success, non-zero value otherwise.
+ */
+int nat64_add_del_prefix (ip6_address_t * prefix, u8 plen, u32 vrf_id,
+                         u8 is_add);
+
+/**
+ * @brief Call back function when walking addresses in NAT64 prefixes, non-zero
+ * return value stop walk.
+ */
+typedef int (*nat64_prefix_walk_fn_t) (nat64_prefix_t * pref64, void *ctx);
+
+/**
+ * @brief Walk NAT64 prefixes.
+ *
+ * @param fn The function to invoke on each entry visited.
+ * @param ctx A context passed in the visit function.
+ */
+void nat64_prefix_walk (nat64_prefix_walk_fn_t fn, void *ctx);
+
+/**
+ * Compose IPv4-embedded IPv6 addresses.
+ * @param ip6 IPv4-embedded IPv6 addresses.
+ * @param ip4 IPv4 address.
+ * @param fib_index Tenant FIB index.
+ */
+void nat64_compose_ip6 (ip6_address_t * ip6, ip4_address_t * ip4,
+                       u32 fib_index);
+
+/**
+ * Extract IPv4 address from the IPv4-embedded IPv6 addresses.
+ *
+ * @param ip6 IPv4-embedded IPv6 addresses.
+ * @param ip4 IPv4 address.
+ * @param fib_index Tenant FIB index.
+ */
+void nat64_extract_ip4 (ip6_address_t * ip6, ip4_address_t * ip4,
+                       u32 fib_index);
+
 #define u8_ptr_add(ptr, index) (((u8 *)ptr) + index)
 #define u16_net_add(u, val) clib_host_to_net_u16(clib_net_to_host_u16(u) + (val))