Implement LISP control plane messages

* Map-register
* Map-notify
* RLOC probing

Change-Id: I7f6295376b21cd67805446dfd1c1033acead2d4b
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

1 files changed, 41 insertions, 2 deletions

diff --git a/vnet/vnet/lisp-cp/control.h b/vnet/vnet/lisp-cp/control.h
index 7a56d4f981f..14b54606079 100644
--- a/vnet/vnet/lisp-cp/control.h
+++ b/vnet/vnet/lisp-cp/control.h
@@ -24,6 +24,19 @@
 #define PENDING_MREQ_EXPIRATION_TIME        3.0	/* seconds */
 #define PENDING_MREQ_QUEUE_LEN              5
 
+#define PENDING_MREG_EXPIRATION_TIME        3.0	/* seconds */
+#define RLOC_PROBING_INTERVAL               60.0
+
+/* when map-registration is enabled "quick registration" takes place first.
+   In this mode ETR sends map-register messages at an increased frequency
+   until specified message count is reached */
+#define QUICK_MAP_REGISTER_MSG_COUNT        3
+#define QUICK_MAP_REGISTER_INTERVAL         3.0
+
+/* normal map-register period */
+#define MAP_REGISTER_INTERVAL               60.0
+
+
 typedef struct
 {
   gid_address_t src;
@@ -55,12 +68,14 @@ typedef enum
   IP6_MISS_PACKET
 } miss_packet_type_t;
 
+/* map-server/map-resolver structure */
 typedef struct
 {
   u8 is_down;
   f64 last_update;
   ip_address_t address;
-} map_resolver_t;
+  char *key;
+} lisp_msmr_t;
 
 typedef struct
 {
@@ -88,6 +103,9 @@ typedef struct
   /* pool of mappings */
   mapping_t *mapping_pool;
 
+  /* hash map of secret keys by mapping index */
+  u8 *key_by_mapping_index;
+
   /* pool of locators */
   locator_t *locator_pool;
 
@@ -120,8 +138,14 @@ typedef struct
   pending_map_request_t *pending_map_requests_pool;
   volatile u32 *pending_map_request_lock;
 
+  /* hash map of sent map register messages */
+  uword *map_register_messages_by_nonce;
+
   /* vector of map-resolvers */
-  map_resolver_t *map_resolvers;
+  lisp_msmr_t *map_resolvers;
+
+  /* vector of map-servers */
+  lisp_msmr_t *map_servers;
 
   /* map resolver address currently being used for sending requests.
    * This has to be an actual address and not an index to map_resolvers vector
@@ -154,6 +178,12 @@ typedef struct
   /* map request mode */
   u8 map_request_mode;
 
+  /* enable/disable map registering */
+  u8 map_registering;
+
+  /* enable/disable rloc-probing */
+  u8 rloc_probing;
+
   /* commodity */
   ip4_main_t *im4;
   ip6_main_t *im6;
@@ -207,6 +237,8 @@ typedef struct
 
   u8 local;
   u8 is_static;
+  u8 *key;
+  u8 key_id;
 } vnet_lisp_add_del_mapping_args_t;
 
 int
@@ -238,6 +270,7 @@ typedef struct
 
 int
 vnet_lisp_add_del_map_resolver (vnet_lisp_add_del_map_resolver_args_t * a);
+int vnet_lisp_add_del_map_server (ip_address_t * addr, u8 is_add);
 
 clib_error_t *vnet_lisp_enable_disable (u8 is_enabled);
 u8 vnet_lisp_enable_disable_status (void);
@@ -256,9 +289,15 @@ vnet_lisp_add_del_mreq_itr_rlocs (vnet_lisp_add_del_mreq_itr_rloc_args_t * a);
 int vnet_lisp_clear_all_remote_adjacencies (void);
 
 int vnet_lisp_eid_table_map (u32 vni, u32 vrf, u8 is_l2, u8 is_add);
+int vnet_lisp_add_del_map_table_key (gid_address_t * eid, char *key,
+				     u8 is_add);
 int vnet_lisp_set_map_request_mode (u8 mode);
 u8 vnet_lisp_get_map_request_mode (void);
 lisp_adjacency_t *vnet_lisp_adjacencies_get_by_vni (u32 vni);
+int vnet_lisp_rloc_probe_enable_disable (u8 is_enable);
+int vnet_lisp_map_register_enable_disable (u8 is_enable);
+u8 vnet_lisp_map_register_state_get (void);
+u8 vnet_lisp_rloc_probe_state_get (void);
 
 static inline void
 lisp_pending_map_request_lock (lisp_cp_main_t * lcm)