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

===================================================================
RCS file: /ftp/cvs/cvsroot/src/sys/netinet6/ip6_input.c,v
retrieving revision 1.73.2.3
retrieving revision 1.74
diff -u -p -r1.73.2.3 -r1.74
--- src/sys/netinet6/ip6_input.c	2007/06/04 19:24:35	1.73.2.3
+++ src/sys/netinet6/ip6_input.c	2004/05/25 04:34:00	1.74
@@ -1,4 +1,4 @@
-/*	$NetBSD: ip6_input.c,v 1.73.2.3 2007/06/04 19:24:35 bouyer Exp $	*/
+/*	$NetBSD: ip6_input.c,v 1.74 2004/05/25 04:34:00 atatat Exp $	*/
 /*	$KAME: ip6_input.c,v 1.188 2001/03/29 05:34:31 itojun Exp $	*/
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.73.2.3 2007/06/04 19:24:35 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ip6_input.c,v 1.74 2004/05/25 04:34:00 atatat Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -1015,11 +1015,6 @@ ip6_savecontrol(in6p, mp, ip6, m)
 			mp = &(*mp)->m_next;
 	}
 #endif
-
-       /* some OSes call this logic with IPv4 packet, for SO_TIMESTAMP */
-       if ((ip6->ip6_vfc & IPV6_VERSION_MASK) != IPV6_VERSION)
-               return;
-
 	if (in6p->in6p_flags & IN6P_RECVDSTADDR) {
 		*mp = sbcreatecontrol((caddr_t) &ip6->ip6_dst,
 		    sizeof(struct in6_addr), IPV6_RECVDSTADDR, IPPROTO_IPV6);
@@ -1440,31 +1435,6 @@ u_char	inet6ctlerrmap[PRC_NCMDS] = {
 	ENOPROTOOPT
 };
 
-static int
-sysctl_net_inet6_ip6_rht0(SYSCTLFN_ARGS)
-{  
-	int error, tmp;
-	struct sysctlnode node;
-
-	node = *rnode;
-	tmp = ip6_rht0;
-	node.sysctl_data = &tmp;
-	error = sysctl_lookup(SYSCTLFN_CALL(&node));
-	if (error || newp == NULL)
-		return error;
-
-	switch (tmp) {
-	case -1:	/* disable processing */
-	case 0:		/* disable for host, enable for router */
-	case 1:		/* enable for all */
-		break;
-	default:
-		return EINVAL;
-	}
-	ip6_rht0 = tmp;
-	return 0;
-}
-
 SYSCTL_SETUP(sysctl_net_inet6_ip6_setup, "sysctl net.inet6.ip6 subtree setup")
 {
 
@@ -1694,11 +1664,4 @@ SYSCTL_SETUP(sysctl_net_inet6_ip6_setup,
 		       NULL, 0, &ip6_maxfrags, 0,
 		       CTL_NET, PF_INET6, IPPROTO_IPV6,
 		       IPV6CTL_MAXFRAGS, CTL_EOL);
-	sysctl_createv(clog, 0, NULL, NULL,
-			CTLFLAG_PERMANENT|CTLFLAG_READWRITE,
-			CTLTYPE_INT, "rht0",
-			SYSCTL_DESCR("Processing of routing header type 0 (IPv6)"),
-			sysctl_net_inet6_ip6_rht0, 0, &ip6_rht0, 0,
-			CTL_NET, PF_INET6, IPPROTO_IPV6,
-			CTL_CREATE, CTL_EOL);
 }