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authorMatus Fabian <matfabia@cisco.com>2018-09-04 03:55:45 -0700
committerDamjan Marion <dmarion@me.com>2018-09-04 17:50:51 +0000
commit5d28c7afbc0abd172d0053768b2ebe37b7a6c348 (patch)
treeafdef90641a9fc25c9d24e166488e66d3e9049b7 /src/plugins/nat/nat.h
parentb17cd37bb9c86ea5d8b43efad7ce5b7fc808e528 (diff)
NAT: add support for configurable port range (VPP-1346)
Change-Id: I6882b6daa05db866fe6e78a62b380ec331507f74 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat.h')
-rw-r--r--src/plugins/nat/nat.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h
index 660fb4c2965..d8d0b2a9c4d 100644
--- a/src/plugins/nat/nat.h
+++ b/src/plugins/nat/nat.h
@@ -96,6 +96,16 @@ typedef struct {
};
} snat_user_key_t;
+#define foreach_nat_addr_and_port_alloc_alg \
+ _(0, DEFAULT, "default") \
+ _(1, MAPE, "map-e") \
+ _(2, RANGE, "port-range")
+
+typedef enum {
+#define _(v, N, s) NAT_ADDR_AND_PORT_ALLOC_ALG_##N = v,
+ foreach_nat_addr_and_port_alloc_alg
+#undef _
+} nat_addr_and_port_alloc_alg_t;
#define foreach_snat_protocol \
_(UDP, 0, udp, "udp") \
@@ -361,10 +371,17 @@ typedef struct snat_main_s {
/* Vector of outside addresses */
snat_address_t * addresses;
+ /* Address and port allocation function */
nat_alloc_out_addr_and_port_function_t *alloc_addr_and_port;
+ /* Address and port allocation type */
+ nat_addr_and_port_alloc_alg_t addr_and_port_alloc_alg;
+ /* Port set parameters (MAP-E) */
u8 psid_offset;
u8 psid_length;
u16 psid;
+ /* Port range parameters */
+ u16 start_port;
+ u16 end_port;
/* vector of outside fibs */
nat_outside_fib_t * outside_fibs;
@@ -631,6 +648,7 @@ int snat_add_interface_address(snat_main_t *sm, u32 sw_if_index, int is_del,
u8 twice_nat);
uword unformat_snat_protocol(unformat_input_t * input, va_list * args);
u8 * format_snat_protocol(u8 * s, va_list * args);
+u8 * format_nat_addr_and_port_alloc_alg(u8 * s, va_list * args);
int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port,
snat_protocol_t proto,
nat44_lb_addr_port_t *locals, u8 is_add,
@@ -651,6 +669,7 @@ 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_range (u16 start_port, u16 end_port);
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);