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From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Sun, 20 May 2012 22:55:24 +0000 (UTC)
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Subject: svn commit: r235703 - stable/9/sys/netinet6
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Author: bz
Date: Sun May 20 22:55:24 2012
New Revision: 235703
URL: http://svn.freebsd.org/changeset/base/235703

Log:
  MFC r232514:
  
   In nd6_options() ignore the RFC 6106 options completely rather than printing
   them if nd6_debug is enabled as unknown.  Leave a comment about the RFC4191
   option as I am undecided so far.

Modified:
  stable/9/sys/netinet6/nd6.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/netinet6/nd6.c
==============================================================================
--- stable/9/sys/netinet6/nd6.c	Sun May 20 22:23:58 2012	(r235702)
+++ stable/9/sys/netinet6/nd6.c	Sun May 20 22:55:24 2012	(r235703)
@@ -380,6 +380,14 @@ nd6_options(union nd_opts *ndopts)
 			ndopts->nd_opts_pi_end =
 				(struct nd_opt_prefix_info *)nd_opt;
 			break;
+		/* What about ND_OPT_ROUTE_INFO? RFC 4191 */
+		case ND_OPT_RDNSS:	/* RFC 6106 */
+		case ND_OPT_DNSSL:	/* RFC 6106 */
+			/*
+			 * Silently ignore options we know and do not care about
+			 * in the kernel.
+			 */
+			break;
 		default:
 			/*
 			 * Unknown options must be silently ignored,