nat: use correct data types for memory sizes

[vpp.git] / src / plugins / nat / nat64_db.h

diff --git a/src/plugins/nat/nat64_db.h b/src/plugins/nat/nat64_db.h
index 94d9a8b..68f048c 100644 (file)
--- a/src/plugins/nat/nat64_db.h
+++ b/src/plugins/nat/nat64_db.h
@@ -68,6 +68,9 @@ typedef struct
   /* BIB lookup */
   clib_bihash_24_8_t in2out;
   clib_bihash_24_8_t out2in;
+
+  u32 limit;
+  u32 bib_entries_num;
 } nat64_db_bib_t;
 
 typedef struct
@@ -115,26 +118,49 @@ typedef struct
   /* session lookup */
   clib_bihash_48_8_t in2out;
   clib_bihash_48_8_t out2in;
+
+  u32 limit;
+  u32 st_entries_num;
 } nat64_db_st_t;
 
-typedef struct
+struct nat64_db_s;
+
+/**
+ * @brief Call back function to free NAT64 pool address and port when BIB
+ * entry is deleted.
+ */
+typedef void (*nat64_db_free_addr_port_function_t) (struct nat64_db_s * db,
+                                                   ip4_address_t * addr,
+                                                   u16 port, u8 proto);
+
+typedef struct nat64_db_s
 {
   nat64_db_bib_t bib;
   nat64_db_st_t st;
+  nat64_db_free_addr_port_function_t free_addr_port_cb;
+  u8 addr_free;
 } nat64_db_t;
 
 /**
  * @brief Initialize NAT64 DB.
  *
  * @param db NAT64 DB.
+ * @param bib_buckets Number of BIB hash buckets.
+ * @param bib_memory_size Memory size of BIB hash.
+ * @param st_buckets Number of session table hash buckets.
+ * @param st_memory_size Memory size of session table hash.
+ * @param free_addr_port_cb Call back function to free address and port.
  *
  * @returns 0 on success, non-zero value otherwise.
  */
-int nat64_db_init (nat64_db_t * db);
+int nat64_db_init (nat64_db_t * db, u32 bib_buckets, uword bib_memory_size,
+                  u32 st_buckets, uword st_memory_size,
+                  nat64_db_free_addr_port_function_t free_addr_port_cb);
 
 /**
  * @brief Create new NAT64 BIB entry.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param in_addr Inside IPv6 address.
  * @param out_addr Outside IPv4 address.
@@ -146,20 +172,23 @@ int nat64_db_init (nat64_db_t * db);
  *
  * @returns BIB entry on success, 0 otherwise.
  */
-nat64_db_bib_entry_t *nat64_db_bib_entry_create (nat64_db_t * db,
+nat64_db_bib_entry_t *nat64_db_bib_entry_create (u32 thread_index,
+                                                nat64_db_t * db,
                                                 ip6_address_t * in_addr,
                                                 ip4_address_t * out_addr,
                                                 u16 in_port, u16 out_port,
-                                                u32 fib_index,
-                                                u8 proto, u8 is_static);
+                                                u32 fib_index, u8 proto,
+                                                u8 is_static);
 
 /**
  * @brief Free NAT64 BIB entry.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param bibe BIB entry.
  */
-void nat64_db_bib_entry_free (nat64_db_t * db, nat64_db_bib_entry_t * bibe);
+void nat64_db_bib_entry_free (u32 thread_index, nat64_db_t * db,
+                             nat64_db_bib_entry_t * bibe);
 
 /**
  * @brief Call back function when walking NAT64 BIB, non-zero
@@ -176,7 +205,8 @@ typedef int (*nat64_db_bib_walk_fn_t) (nat64_db_bib_entry_t * bibe,
  *  - 6 TCP BIB
  *  - 17 UDP BIB
  *  - 1/58 ICMP BIB
- *  - otherwise "unknown" protocol BIB
+ *
+ * u - otherwise "unknown" protocol BIB
  * @param fn The function to invoke on each entry visited.
  * @param ctx A context passed in the visit function.
  */
@@ -215,6 +245,7 @@ nat64_db_bib_entry_t *nat64_db_bib_entry_by_index (nat64_db_t * db,
 /**
  * @brief Create new NAT64 session table entry.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param bibe Corresponding BIB entry.
  * @param in_r_addr Inside IPv6 address of the remote host.
@@ -223,7 +254,8 @@ nat64_db_bib_entry_t *nat64_db_bib_entry_by_index (nat64_db_t * db,
  *
  * @returns BIB entry on success, 0 otherwise.
  */
-nat64_db_st_entry_t *nat64_db_st_entry_create (nat64_db_t * db,
+nat64_db_st_entry_t *nat64_db_st_entry_create (u32 thread_index,
+                                              nat64_db_t * db,
                                               nat64_db_bib_entry_t * bibe,
                                               ip6_address_t * in_r_addr,
                                               ip4_address_t * out_r_addr,
@@ -232,10 +264,12 @@ nat64_db_st_entry_t *nat64_db_st_entry_create (nat64_db_t * db,
 /**
  * @brief Free NAT64 session table entry.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param ste Session table entry.
  */
-void nat64_db_st_entry_free (nat64_db_t * db, nat64_db_st_entry_t * ste);
+void nat64_db_st_entry_free (u32 thread_index, nat64_db_t * db,
+                            nat64_db_st_entry_t * ste);
 
 /**
  * @brief Find NAT64 session table entry.
@@ -283,18 +317,21 @@ void nat64_db_st_walk (nat64_db_t * db, u8 proto,
 /**
  * @brief Free expired session entries in session tables.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param now Current time.
  */
-void nad64_db_st_free_expired (nat64_db_t * db, u32 now);
+void nad64_db_st_free_expired (u32 thread_index, nat64_db_t * db, u32 now);
 
 /**
  * @brief Free sessions using specific outside address.
  *
+ * @param thread_index thread index.
  * @param db NAT64 DB.
  * @param out_addr Outside address to match.
  */
-void nat64_db_free_out_addr (nat64_db_t * db, ip4_address_t * out_addr);
+void nat64_db_free_out_addr (u32 thread_index, nat64_db_t * db,
+                            ip4_address_t * out_addr);
 
 /*
  * @brief Get ST entry index.