Registered neighbour cache entries are not reregistered. (ARMmbed#1792)

deepakvenugopal · web-flow · commit 21deb75796aa · 2018-08-22T13:12:04.000+03:00
diff --git a/source/6LoWPAN/Thread/thread_nd.c b/source/6LoWPAN/Thread/thread_nd.c
@@ -547,8 +547,7 @@ int thread_nd_address_registration(protocol_interface_info_entry_t *cur, const u
     }
 
     uint8_t *nce_eui64 = ipv6_neighbour_eui64(&cur->ipv6_neighbour_cache, neigh);
-    if (neigh->state != IP_NEIGHBOUR_NEW && memcmp(nce_eui64, mac64, 8) != 0)
-    {
+    if (neigh->type == IP_NEIGHBOUR_REGISTERED && memcmp(nce_eui64, mac64, 8) != 0) {
         return -2;
     }
 

Original file line number	Diff line number	Diff line change
`@@ -547,8 +547,7 @@ int thread_nd_address_registration(protocol_interface_info_entry_t *cur, const u`
`547`	`547`	`}`
`548`	`548`
`549`	`549`	`uint8_t *nce_eui64 = ipv6_neighbour_eui64(&cur->ipv6_neighbour_cache, neigh);`
`550`		`- if (neigh->state != IP_NEIGHBOUR_NEW && memcmp(nce_eui64, mac64, 8) != 0)`
`551`		`- {`
	`550`	`+ if (neigh->type == IP_NEIGHBOUR_REGISTERED && memcmp(nce_eui64, mac64, 8) != 0) {`
`552`	`551`	`return -2;`
`553`	`552`	`}`
`554`	`553`