Warn about exceeding IDGEN_RETRIES when a stable private address cannot be obtained.

1 files changed, 9 insertions, 3 deletions

diff --git a/ipv6nd.c b/ipv6nd.c
index 4965eb74..880678f8 100644
--- a/ipv6nd.c
+++ b/ipv6nd.c
@@ -603,9 +603,14 @@ ipv6nd_dadcallback(void *arg)
 		 * Because ap->dadcounter is always increamented,
 		 * a different address is generated. */
 		/* XXX Cache DAD counter per prefix/id/ssid? */
-		if (ifp->options->options & DHCPCD_SLAACPRIVATE &&
-		    ap->dadcounter < IDGEN_RETRIES)
-		{
+		if (ifp->options->options & DHCPCD_SLAACPRIVATE) {
+			if (ap->dadcounter >= IDGEN_RETRIES) {
+				syslog(LOG_ERR,
+				    "%s: unable to obtain a"
+				    " stable private address",
+				    ifp->name);
+				goto try_script;
+			}
 			syslog(LOG_INFO, "%s: deleting address %s",
 				ifp->name, ap->saddr);
 			if (if_deladdress6(ap) == -1 &&
@@ -642,6 +647,7 @@ ipv6nd_dadcallback(void *arg)
 		}
 	}
 
+try_script:
 	if (!wascompleted) {
 		TAILQ_FOREACH(rap, ifp->ctx->ipv6->ra_routers, next) {
 			if (rap->iface != ifp)