From 305d4b3ce8c2f00643edc3bb19f005f72e8f84fc Mon Sep 17 00:00:00 2001 From: Ville Nuorvala Date: Fri, 24 Nov 2006 17:06:53 -0800 Subject: [IPV6]: Allow link-local tunnel endpoints Allow link-local tunnel endpoints if the underlying link is defined. Signed-off-by: Ville Nuorvala Signed-off-by: David S. Miller --- net/ipv6/ip6_tunnel.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'net/ipv6/ip6_tunnel.c') diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 22debbf28b8..3944ea24c38 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -460,6 +460,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, if (rel_msg && pskb_may_pull(skb, offset + sizeof (*ipv6h))) { struct rt6_info *rt; struct sk_buff *skb2 = skb_clone(skb, GFP_ATOMIC); + if (!skb2) goto out; @@ -824,7 +825,7 @@ static void ip6_tnl_set_cap(struct ip6_tnl *t) if (ltype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && rtype & (IPV6_ADDR_UNICAST|IPV6_ADDR_MULTICAST) && !((ltype|rtype) & IPV6_ADDR_LOOPBACK) && - !((ltype|rtype) & IPV6_ADDR_LINKLOCAL)) { + (!((ltype|rtype) & IPV6_ADDR_LINKLOCAL) || p->link)) { if (ltype&IPV6_ADDR_UNICAST) p->flags |= IP6_TNL_F_CAP_XMIT; if (rtype&IPV6_ADDR_UNICAST) @@ -862,8 +863,11 @@ static void ip6ip6_tnl_link_config(struct ip6_tnl *t) dev->iflink = p->link; if (p->flags & IP6_TNL_F_CAP_XMIT) { + int strict = (ipv6_addr_type(&p->raddr) & + (IPV6_ADDR_MULTICAST|IPV6_ADDR_LINKLOCAL)); + struct rt6_info *rt = rt6_lookup(&p->raddr, &p->laddr, - p->link, 0); + p->link, strict); if (rt == NULL) return; -- cgit v1.2.3