From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Frederic Sowa Subject: [PATCH net-next v4 3/4] ipv6: stop multicast forwarding to process interface scoped addresses Date: Fri, 8 Mar 2013 13:07:23 +0100 Message-ID: <20130308120723.GA5120@order.stressinduktion.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Cc: yoshfuji@linux-ipv6.org To: netdev@vger.kernel.org Return-path: Received: from order.stressinduktion.org ([87.106.68.36]:51153 "EHLO order.stressinduktion.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757027Ab3CHMHY (ORCPT ); Fri, 8 Mar 2013 07:07:24 -0500 Content-Disposition: inline Sender: netdev-owner@vger.kernel.org List-ID: v2: a) used struct ipv6_addr_props v3: a) reverted changes for ipv6_addr_props v4: a) do not use __ipv6_addr_needs_scope_id Cc: YOSHIFUJI Hideaki Signed-off-by: Hannes Frederic Sowa --- net/ipv6/ip6_input.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c index b1876e5..e33fe0a 100644 --- a/net/ipv6/ip6_input.c +++ b/net/ipv6/ip6_input.c @@ -281,7 +281,8 @@ int ip6_mc_input(struct sk_buff *skb) * IPv6 multicast router mode is now supported ;) */ if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding && - !(ipv6_addr_type(&hdr->daddr) & IPV6_ADDR_LINKLOCAL) && + !(ipv6_addr_type(&hdr->daddr) & + (IPV6_ADDR_LOOPBACK|IPV6_ADDR_LINKLOCAL)) && likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) { /* * Okay, we try to forward - split and duplicate -- 1.8.1.4