#undef _
} nat64_tcp_ses_state_t;
+enum
+{
+ NAT64_CLEANER_RESCHEDULE = 1,
+} nat64_cleaner_process_event_e;
+
typedef struct
{
ip6_address_t prefix;
u32 fib_index;
} nat64_prefix_t;
+typedef struct
+{
+ ip6_address_t in_addr;
+ u16 in_port;
+ ip4_address_t out_addr;
+ u16 out_port;
+ u32 fib_index;
+ u32 thread_index;
+ u8 proto;
+ u8 is_add;
+ u8 done;
+} nat64_static_bib_to_update_t;
+
typedef struct
{
/** Interface pool */
/** Pref64 vector */
nat64_prefix_t *pref64;
- /** BIB and session DB */
- nat64_db_t db;
+ /** BIB and session DB per thread */
+ nat64_db_t *db;
+
+ /** Worker handoff */
+ u32 fq_in2out_index;
+ u32 fq_out2in_index;
+
+ /** Pool of static BIB entries to be added/deleted in worker threads */
+ nat64_static_bib_to_update_t *static_bibs;
+
+ u32 error_node_index;
- /* values of various timeouts */
+ /** config parameters */
+ u32 bib_buckets;
+ u32 bib_memory_size;
+ u32 st_buckets;
+ u32 st_memory_size;
+
+ /** values of various timeouts */
u32 udp_timeout;
u32 icmp_timeout;
u32 tcp_trans_timeout;
u32 tcp_est_timeout;
- u32 tcp_incoming_syn_timeout;
- u8 is_disabled;
+ /* Total count of interfaces enabled */
+ u32 total_enabled_count;
+ /* The process node which orcherstrates the cleanup */
+ u32 nat64_expire_walk_node_index;
+
+ /* counters/gauges */
+ vlib_simple_counter_main_t total_bibs;
+ vlib_simple_counter_main_t total_sessions;
ip4_main_t *ip4_main;
snat_main_t *sm;
/**
* @brief Alloce IPv4 address and port pair from NAT64 pool.
*
- * @param fib_index FIB index of tenant.
- * @param proto L4 protocol.
- * @param addr Allocated IPv4 address.
- * @param port Allocated port number.
+ * @param fib_index FIB index of tenant.
+ * @param proto L4 protocol.
+ * @param addr Allocated IPv4 address.
+ * @param port Allocated port number.
+ * @param thread_index Thread index.
*
* @returns 0 on success, non-zero value otherwise.
*/
int nat64_alloc_out_addr_and_port (u32 fib_index, snat_protocol_t proto,
- ip4_address_t * addr, u16 * port);
-
-/**
- * @brief Free IPv4 address and port pair from NAT64 pool.
- *
- * @param addr IPv4 address to free.
- * @param port Port number to free.
- * @param proto L4 protocol.
- *
- * @returns 0 on success, non-zero value otherwise.
- */
-void nat64_free_out_addr_and_port (ip4_address_t * addr, u16 port,
- snat_protocol_t proto);
+ ip4_address_t * addr, u16 * port,
+ u32 thread_index);
/**
* @brief Set UDP session timeout.
*
* @param trans Transitory timeout in seconds (if 0 reset to default value 240sec).
* @param est Established timeout in seconds (if 0 reset to default value 7440sec).
- * @param incoming_syn Incoming SYN timeout in seconds (if 0 reset to default value 6sec).
*
* @returns 0 on success, non-zero value otherwise.
*/
-int nat64_set_tcp_timeouts (u32 trans, u32 est, u32 incoming_syn);
+int nat64_set_tcp_timeouts (u32 trans, u32 est);
/**
* @brief Get TCP transitory timeout.
*/
u32 nat64_get_tcp_est_timeout (void);
-/**
- * @brief Get TCP incoming SYN timeout.
- *
- * @returns TCP incoming SYN timeout in seconds.
- */
-u32 nat64_get_tcp_incoming_syn_timeout (void);
-
/**
* @brief Reset NAT64 session timeout.
*
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))
+/**
+ * @brief Set NAT64 hash tables configuration.
+ *
+ * @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.
+ */
+void nat64_set_hash (u32 bib_buckets, u32 bib_memory_size, u32 st_buckets,
+ u32 st_memory_size);
+
+/**
+ * @brief Get worker thread index for NAT64 in2out.
+ *
+ * @param addr IPv6 src address.
+ *
+ * @returns worker thread index.
+ */
+u32 nat64_get_worker_in2out (ip6_address_t * addr);
+
+/**
+ * @brief Get worker thread index for NAT64 out2in.
+ *
+ * @param ip IPv4 header.
+ *
+ * @returns worker thread index.
+ */
+u32 nat64_get_worker_out2in (ip4_header_t * ip);
#endif /* __included_nat64_h__ */