1 files changed, 18 insertions, 0 deletions
diff --git a/ffd/send.c b/ffd/send.c
index 9e36456..ebda0de 100644
--- a/ffd/send.c
+++ b/ffd/send.c
@@ -300,3 +300,21 @@ void ffd_send_announce_request(ffd_iface_t *iface, ffd_neigh_t *neigh, ffd_node_
 
 	send_any(iface, neigh, packet);
 }
+
+void ffd_send_seqno_request(ffd_neigh_t *neigh, ffd_announce_t *announce, uint16_t seqno) {
+	ffd_packet_t *packet = alloca(sizeof(ffd_packet_t)+FFD_PACKET_MAX);
+
+	packet->version_magic = htons(FFD_VERSION_MAGIC);
+	packet->len = 0;
+
+	ffd_tlv_seqno_req_t *req = ffd_tlv_add(packet, FFD_PACKET_MAX, TLV_SEQNO_REQ, sizeof(ffd_tlv_seqno_req_t));
+	if (!req)
+		return;
+
+	req->seqno = htons(seqno);
+	req->node = announce->node;
+	req->type = htons(announce->type);
+	req->key = htons(announce->key);
+
+	send_any(NULL, neigh, packet);
+}