#define SNAT_UDP_TIMEOUT 300
-#define SNAT_UDP_TIMEOUT_MIN 120
#define SNAT_TCP_TRANSITORY_TIMEOUT 240
#define SNAT_TCP_ESTABLISHED_TIMEOUT 7440
-#define SNAT_TCP_INCOMING_SYN 6
#define SNAT_ICMP_TIMEOUT 60
#define NAT_FQ_NELTS 64
#define NAT44_SES_O2I_FIN 2
#define NAT44_SES_I2O_FIN_ACK 4
#define NAT44_SES_O2I_FIN_ACK 8
+#define NAT44_SES_I2O_SYN 16
+#define NAT44_SES_O2I_SYN 32
#define nat44_is_ses_closed(s) s->state == 0xf
ip4_address_t ext_host_addr; /* 68-71 */
u16 ext_host_port; /* 72-73 */
- /* External hos address and port after translation */
+ /* External host address and port after translation */
ip4_address_t ext_host_nat_addr; /* 74-77 */
u16 ext_host_nat_port; /* 78-79 */
#undef _
} snat_address_t;
+typedef struct {
+ u32 fib_index;
+ u32 refcount;
+} nat_outside_fib_t;
+
typedef struct {
u16 in_port;
snat_det_out_key_t out;
u16 port;
u8 probability;
u8 prefix;
+ u32 vrf_id;
+ u32 fib_index;
} nat44_lb_addr_port_t;
typedef enum {
u8 psid_length;
u16 psid;
+ /* vector of outside fibs */
+ nat_outside_fib_t * outside_fibs;
+
/* Vector of twice NAT addresses for extenal hosts */
snat_address_t * twice_nat_addresses;
api_main_t * api_main;
} snat_main_t;
+typedef struct {
+ u32 thread_index;
+ f64 now;
+} nat44_is_idle_session_ctx_t;
+
extern snat_main_t snat_main;
extern vlib_node_registration_t snat_in2out_node;
extern vlib_node_registration_t snat_in2out_output_node;
void snat_free_outside_address_and_port (snat_address_t * addresses,
u32 thread_index,
- snat_session_key_t * k,
- u32 address_index);
+ snat_session_key_t * k);
int snat_alloc_outside_address_and_port (snat_address_t * addresses,
u32 fib_index,
uword unformat_snat_protocol(unformat_input_t * input, va_list * args);
u8 * format_snat_protocol(u8 * s, va_list * args);
int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
- snat_protocol_t proto, u32 vrf_id,
+ snat_protocol_t proto,
nat44_lb_addr_port_t *locals, u8 is_add,
twice_nat_type_t twice_nat, u8 out2in_only,
u8 *tag);
u32 fib_index, u32 thread_index);
snat_session_t * nat_session_alloc_or_recycle (snat_main_t *sm, snat_user_t *u,
u32 thread_index);
+snat_session_t * nat_ed_session_alloc (snat_main_t *sm, snat_user_t *u,
+ u32 thread_index);
void nat_set_alloc_addr_and_port_mape (u16 psid, u16 psid_offset,
u16 psid_length);
void nat_set_alloc_addr_and_port_default (void);
+int nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t *kv, void *arg);
+int nat44_o2i_ed_is_idle_session_cb (clib_bihash_kv_16_8_t *kv, void *arg);
+int nat44_i2o_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg);
+int nat44_o2i_is_idle_session_cb (clib_bihash_kv_8_8_t *kv, void *arg);
#endif /* __included_snat_h__ */