[src/trunk]: src/sys/netinet6 Let non-neighbor NS/NA debug error message incl...

[is <is%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2b66cf3c6487
branches:  trunk
changeset: 344957:2b66cf3c6487
user:      is <is%NetBSD.org@localhost>
date:      Fri Apr 29 11:46:17 2016 +0000

description:
Let non-neighbor NS/NA debug error message include useful information.

diffstat:

 sys/netinet6/nd6_nbr.c |  11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)

diffs (39 lines):

diff -r 0929398098e8 -r 2b66cf3c6487 sys/netinet6/nd6_nbr.c
--- a/sys/netinet6/nd6_nbr.c    Fri Apr 29 07:12:34 2016 +0000
+++ b/sys/netinet6/nd6_nbr.c    Fri Apr 29 11:46:17 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd6_nbr.c,v 1.116 2016/04/11 01:16:20 ozaki-r Exp $    */
+/*     $NetBSD: nd6_nbr.c,v 1.117 2016/04/29 11:46:17 is Exp $ */
 /*     $KAME: nd6_nbr.c,v 1.61 2001/02/10 16:06:14 jinmei Exp $        */
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6_nbr.c,v 1.116 2016/04/11 01:16:20 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6_nbr.c,v 1.117 2016/04/29 11:46:17 is Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -149,7 +149,9 @@
                 */
                sockaddr_in6_init(&ssin6, &saddr6, 0, 0, 0);
                if (nd6_is_addr_neighbor(&ssin6, ifp) == 0) {
-                       nd6log(LOG_INFO, "NS packet from non-neighbor\n");
+                       nd6log(LOG_INFO,
+                           "NS packet from non-neighbor %s on %s\n",
+                           ip6_sprintf(&saddr6), if_name(ifp));
                        goto bad;
                }
        }
@@ -625,7 +627,8 @@
         */
        sockaddr_in6_init(&ssin6, &saddr6, 0, 0, 0);
        if (nd6_is_addr_neighbor(&ssin6, ifp) == 0) {
-               nd6log(LOG_INFO, "ND packet from non-neighbor\n");
+               nd6log(LOG_INFO, "ND packet from non-neighbor %s on %s\n",
+                   ip6_sprintf(&saddr6), if_name(ifp));
                goto bad;
        }