X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/blobdiff_plain/a5dca70a199ab4fffe33a6903ef1b94c7d102d21..5785f5fb36825712d454aa00e3fc225e237465d1:/sys/netinet6/nd6_rtr.c

diff --git a/sys/netinet6/nd6_rtr.c b/sys/netinet6/nd6_rtr.c
index e24b01dc8c..138b7ef2aa 100644
--- a/sys/netinet6/nd6_rtr.c
+++ b/sys/netinet6/nd6_rtr.c
@@ -1296,10 +1296,18 @@ pfxlist_onlink_check(void)
 			if (ifa->ia6_ndpr == NULL) /* XXX: see above. */
 				continue;
 
-			if (find_pfxlist_reachable_router(ifa->ia6_ndpr))
-				ifa->ia6_flags &= ~IN6_IFF_DETACHED;
-			else
-				ifa->ia6_flags |= IN6_IFF_DETACHED;
+			if (find_pfxlist_reachable_router(ifa->ia6_ndpr)) {
+				if (ifa->ia6_flags & IN6_IFF_DETACHED) {
+					ifa->ia6_flags &= ~IN6_IFF_DETACHED;
+					ifa->ia6_flags |= IN6_IFF_TENTATIVE;
+					nd6_dad_start((struct ifaddr *)ifa, 0);
+				}
+			} else {
+				if ((ifa->ia6_flags & IN6_IFF_DETACHED) == 0) {
+					ifa->ia6_flags |= IN6_IFF_DETACHED;
+					in6_newaddrmsg((struct ifaddr *)ifa);
+				}
+			}
 		}
 	}
 	else {
@@ -1308,6 +1316,8 @@ pfxlist_onlink_check(void)
 				continue;
 
 			ifa->ia6_flags &= ~IN6_IFF_DETACHED;
+			ifa->ia6_flags |= IN6_IFF_TENTATIVE;
+			nd6_dad_start((struct ifaddr *)ifa, 0);
 		}
 	}
 }