1 files changed, 16 insertions, 0 deletions

diff --git a/ffd/ffd.h b/ffd/ffd.h
index e7c48d7..bf00984 100644
--- a/ffd/ffd.h
+++ b/ffd/ffd.h
@@ -47,6 +47,8 @@
 
 #define FFD_UPDATE_REQUEST_TIMEOUT(interval) ((interval)*13/4) /* 3.25 intervals */
 
+#define FFD_SEQNO_REQUEST_TIMEOUT 50
+
 #define FFD_MAINTENANCE_INTERVAL FFD_HELLO_INTERVAL
 
 
@@ -73,6 +75,14 @@ typedef struct _ffd_nexthop_t {
 	bool requested_update;
 } ffd_nexthop_t;
 
+typedef struct _ffd_seqno_req_t {
+	struct _ffd_seqno_req_t *next;
+
+	struct timespec last_req;
+	struct _ffd_neigh_t *neigh;
+	uint16_t seqno;
+} ffd_seqno_req_t;
+
 typedef struct _ffd_announce_t {
 	struct _ffd_announce_t *next;
 
@@ -84,6 +94,8 @@ typedef struct _ffd_announce_t {
 	uint16_t last_metric;
 	ffd_metric_seqno_t feasibility_distance;
 
+	ffd_seqno_req_t *seqno_req_list;
+
 	ffd_nexthop_t *selected;
 	ffd_nexthop_t *nexthop_list;
 
@@ -189,6 +201,10 @@ void ffd_announce_update_nexthop(ffd_announce_t *announce, ffd_nexthop_t *nextho
 ffd_announce_t* ffd_announce_new(void);
 ffd_announce_t* ffd_announce_find(const ffd_node_id_t *node, uint16_t type, uint16_t key);
 ffd_announce_t* ffd_announce_get(const ffd_node_id_t *node, uint16_t type, uint16_t key);
+ffd_nexthop_t* ffd_announce_nexthop_find(const ffd_announce_t *announce, ffd_neigh_t *neigh);
+ffd_nexthop_t* ffd_announce_nexthop_new(ffd_announce_t *announce, ffd_neigh_t *neigh);
+bool ffd_announce_seqno_request(ffd_announce_t *announce, ffd_neigh_t *neigh, uint16_t seqno);
+void ffd_announce_seqno_request_free_list(ffd_announce_t *announce);
 
 void ffd_send_ack(ffd_neigh_t *neigh, uint16_t nonce);
 void ffd_send_hellos(void);