LISP: fix negative mapping timeout, VPP-1043

Change-Id: Ie57b81f8743f14182813558887d84d6667c81d43
Signed-off-by: Filip Tehlar <[email protected]>
(cherry picked from commit 0a62e5a3d817c3400be122c58d0311c298047580)

diff --git a/src/vnet/lisp-cp/control.c b/src/vnet/lisp-cp/control.c
index 6e97b81..fe89360 100644 (file)
--- a/src/vnet/lisp-cp/control.c
+++ b/src/vnet/lisp-cp/control.c
@@ -3746,7 +3746,8 @@ process_map_reply (map_records_arg_t * a)
       }
 
     if ((u32) ~ 0 != m->ttl)
-      mapping_start_expiration_timer (lcm, dst_map_index, MAPPING_TIMEOUT);
+      mapping_start_expiration_timer (lcm, dst_map_index,
+                                     (m->ttl == 0) ? 0 : MAPPING_TIMEOUT);
   }
 
   /* remove pending map request entry */