LISP: group mapping records in map-register message
Change-Id: I546c761acfbf880717163a035aa691b04337b7bf
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>
diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index c009330..ddaa6f5 100644
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -2454,7 +2454,7 @@
u64 nonce = 0;
u32 next_index, *to_next;
ip_address_t *ms = 0;
- mapping_t *records, *r, *g;
+ mapping_t *records, *r, *group, *k;
// TODO: support multiple map servers and do election
if (0 == vec_len (lcm->map_servers))
@@ -2481,12 +2481,25 @@
if (!key)
continue; /* no secret key -> map-register cannot be sent */
- g = 0;
- // TODO: group mappings that share common key
- vec_add1 (g, r[0]);
- b = build_map_register (lcm, &sloc, ms, &nonce, want_map_notif, g,
+ group = 0;
+ vec_add1 (group, r[0]);
+
+ /* group mappings that share common key */
+ for (k = r + 1; k < vec_end (records); k++)
+ {
+ if (k->key_id != r->key_id)
+ continue;
+
+ if (vec_is_equal (k->key, r->key))
+ {
+ vec_add1 (group, k[0]);
+ k->key = 0; /* don't process this mapping again */
+ }
+ }
+
+ b = build_map_register (lcm, &sloc, ms, &nonce, want_map_notif, group,
key_id, key, &bi);
- vec_free (g);
+ vec_free (group);
if (!b)
continue;