ikev2: add option to disable NAT traversal

[vpp.git] / src / plugins / ikev2 / ikev2_priv.h

diff --git a/src/plugins/ikev2/ikev2_priv.h b/src/plugins/ikev2/ikev2_priv.h
index 115a5b2..fa302dc 100644 (file)
--- a/src/plugins/ikev2/ikev2_priv.h
+++ b/src/plugins/ikev2/ikev2_priv.h
@@ -347,8 +347,24 @@ typedef struct
 
   u32 tun_itf;
   u8 udp_encap;
+  u8 natt_disabled;
 } ikev2_profile_t;
 
+typedef enum
+{
+  /* SA will switch to port 4500 when NAT is detected.
+   * This is the default. */
+  IKEV2_NATT_ENABLED,
+
+  /* Do nothing when NAT is detected */
+  IKEV2_NATT_DISABLED,
+
+  /* NAT was detected and port switched to 4500 */
+  IKEV2_NATT_ACTIVE,
+} ikev2_natt_state_t;
+
+#define ikev2_natt_active(_sa) ((_sa)->natt_state == IKEV2_NATT_ACTIVE)
+
 typedef struct
 {
   ikev2_state_t state;
@@ -400,10 +416,12 @@ typedef struct
   u8 *last_sa_init_res_packet_data;
 
   /* retransmit */
+  /* message id expected in the request from the other peer */
   u32 last_msg_id;
   u8 *last_res_packet_data;
 
   u8 is_initiator;
+  /* last message id that was used for an initiated request */
   u32 last_init_msg_id;
   u32 profile_index;
   u8 is_tun_itf_set;
@@ -426,7 +444,7 @@ typedef struct
   u32 sw_if_index;
 
   /* is NAT traversal mode */
-  u8 natt;
+  ikev2_natt_state_t natt_state;
   u8 keys_generated;
 } ikev2_sa_t;
 
@@ -494,6 +512,9 @@ typedef struct
 
   /* max number of retries before considering peer dead */
   u32 liveness_max_retries;
+
+  /* dead peer detection */
+  u8 dpd_disabled;
 } ikev2_main_t;
 
 extern ikev2_main_t ikev2_main;
@@ -569,6 +590,8 @@ ikev2_notify_t *ikev2_parse_notify_payload (ike_payload_header_t * ikep,
                                            u32 rlen);
 int ikev2_set_log_level (ikev2_log_level_t log_level);
 u8 *ikev2_find_ike_notify_payload (ike_header_t * ike, u32 msg_type);
+void ikev2_disable_dpd (void);
+clib_error_t *ikev2_profile_natt_disable (u8 * name);
 
 static_always_inline ikev2_main_per_thread_data_t *
 ikev2_get_per_thread_data ()