Module Name:    src
Committed By:   ozaki-r
Date:           Thu Aug  3 05:44:22 UTC 2023

Modified Files:
        src/sys/netinet6: in6.c

Log Message:
in6: clear ND6_IFF_IFDISABLED to allow DAD again on link-up


To generate a diff of this commit:
cvs rdiff -u -r1.288 -r1.289 src/sys/netinet6/in6.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/netinet6/in6.c
diff -u src/sys/netinet6/in6.c:1.288 src/sys/netinet6/in6.c:1.289
--- src/sys/netinet6/in6.c:1.288	Mon Oct 24 14:15:19 2022
+++ src/sys/netinet6/in6.c	Thu Aug  3 05:44:22 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: in6.c,v 1.288 2022/10/24 14:15:19 msaitoh Exp $	*/
+/*	$NetBSD: in6.c,v 1.289 2023/08/03 05:44:22 ozaki-r Exp $	*/
 /*	$KAME: in6.c,v 1.198 2001/07/18 09:12:38 itojun Exp $	*/
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.288 2022/10/24 14:15:19 msaitoh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.289 2023/08/03 05:44:22 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -2293,6 +2293,10 @@ in6_if_link_down(struct ifnet *ifp)
 	}
 	pserialize_read_exit(s);
 	curlwp_bindx(bound);
+
+	/* Clear ND6_IFF_IFDISABLED to allow DAD again on link-up. */
+	if (ifp->if_afdata[AF_INET6] != NULL)
+		ND_IFINFO(ifp)->flags &= ~ND6_IFF_IFDISABLED;
 }
 
 void

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