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netns: ip6mr: allocate mroute6_socket per-namespace.

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Preliminary work to make IPv6 multicast forwarding netns-aware.

Make IPv6 multicast forwarding mroute6_socket per-namespace,
moves it into struct netns_ipv6.

At the moment, mroute6_socket is only referenced in init_net.

Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Benjamin Thery
2008-12-10 16:07:08 -08:00
committed by David S. Miller
parent 5eaa65b240
commit bd91b8bf37
4 changed files with 21 additions and 15 deletions
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3
net/ipv6/ip6_output.c
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@@ -137,7 +137,8 @@ static int ip6_output2(struct sk_buff *skb)
struct inet6_dev *idev = ip6_dst_idev(skb->dst);
if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) &&
((mroute6_socket && !(IP6CB(skb)->flags & IP6SKB_FORWARDED)) ||
((mroute6_socket(dev_net(dev)) &&
!(IP6CB(skb)->flags & IP6SKB_FORWARDED)) ||
ipv6_chk_mcast_addr(dev, &ipv6_hdr(skb)->daddr,
&ipv6_hdr(skb)->saddr))) {
struct sk_buff *newskb = skb_clone(skb, GFP_ATOMIC);