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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
commit bd91b8bf37
4 changed files with 21 additions and 15 deletions
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8
include/linux/mroute6.h
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@ -117,6 +117,7 @@ struct sioc_mif_req6
#include <linux/pim.h>
#include <linux/skbuff.h> /* for struct sk_buff_head */
#include <net/net_namespace.h>
#ifdef CONFIG_IPV6_MROUTE
static inline int ip6_mroute_opt(int opt)
@ -232,10 +233,13 @@ struct rtmsg;
extern int ip6mr_get_route(struct sk_buff *skb, struct rtmsg *rtm, int nowait);
#ifdef CONFIG_IPV6_MROUTE
extern struct sock *mroute6_socket;
static inline struct sock *mroute6_socket(struct net *net)
{
return net->ipv6.mroute6_sk;
}
extern int ip6mr_sk_done(struct sock *sk);
#else
#define mroute6_socket NULL
static inline struct sock *mroute6_socket(struct net *net) { return NULL; }
static inline int ip6mr_sk_done(struct sock *sk) { return 0; }
#endif
#endif