[IPV6] Remove codes related to RTF_ALLONLINK.

Signed-off-by: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>

include/linux/ipv6_route.h

@@ -14,7 +14,8 @@
 #define _LINUX_IPV6_ROUTE_H
 
 #define RTF_DEFAULT	0x00010000	/* default - learned via ND	*/
-#define RTF_ALLONLINK	0x00020000	/* fallback, no routers on link	*/
+#define RTF_ALLONLINK	0x00020000	/* (deprecated and will be removed)
+					   fallback, no routers on link */
 #define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/
 #define RTF_PREFIX_RT	0x00080000	/* A prefix only route - RA	*/
 

net/ipv6/addrconf.c

@@ -885,7 +885,7 @@ int ipv6_get_saddr(struct dst_entry *dst,
 	if (rt)
 		dev = rt->rt6i_dev;
 
-	onlink = (rt && (rt->rt6i_flags & RTF_ALLONLINK));
+	onlink = 0;
 
 	return ipv6_dev_get_saddr(dev, daddr, saddr, onlink);
 }

net/ipv6/ip6_fib.c

@@ -433,7 +433,7 @@ static int fib6_add_rt2node(struct fib6_node *fn, struct rt6_info *rt,
 
 	if (fn->fn_flags&RTN_TL_ROOT &&
 	    fn->leaf == &ip6_null_entry &&
-	    !(rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF | RTF_ALLONLINK)) ){
+	    !(rt->rt6i_flags & (RTF_DEFAULT | RTF_ADDRCONF)) ){
 		fn->leaf = rt;
 		rt->u.next = NULL;
 		goto out;

net/ipv6/ndisc.c

@@ -1026,7 +1026,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 		 *	delete it
 		 */
 
-		rt6_purge_dflt_routers(RTF_ALLONLINK);
+		rt6_purge_dflt_routers(0);
 	}
 
 	if (rt)

net/ipv6/route.c

@@ -1293,9 +1293,6 @@ void rt6_purge_dflt_routers(int last_resort)
 	struct rt6_info *rt;
 	u32 flags;
 
-	if (last_resort)
-		flags = RTF_ALLONLINK;
-	else
 	flags = RTF_DEFAULT | RTF_ADDRCONF;	
 
 restart:
@@ -1592,7 +1589,7 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
 	rtm->rtm_protocol = rt->rt6i_protocol;
 	if (rt->rt6i_flags&RTF_DYNAMIC)
 		rtm->rtm_protocol = RTPROT_REDIRECT;
-	else if (rt->rt6i_flags&(RTF_ADDRCONF|RTF_ALLONLINK))
+	else if (rt->rt6i_flags & RTF_ADDRCONF)
 		rtm->rtm_protocol = RTPROT_KERNEL;
 	else if (rt->rt6i_flags&RTF_DEFAULT)
 		rtm->rtm_protocol = RTPROT_RA;