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[NETNS]: Create tcp control socket in the each namespace.

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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2008-04-03 14:31:33 -07:00 committed by David S. Miller
parent 1ed8516f09
commit 046ee90235
2 changed files with 20 additions and 2 deletions
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1
include/net/netns/ipv4.h
View File

@ -28,6 +28,7 @@ struct netns_ipv4 {
struct sock *fibnl;
struct sock **icmp_sk;
struct sock *tcp_sock;
struct netns_frags frags;
#ifdef CONFIG_NETFILTER

21
net/ipv4/tcp_ipv4.c
View File

@ -2488,11 +2488,28 @@ struct proto tcp_prot = {
#endif
};
static int __net_init tcp_sk_init(struct net *net)
{
return inet_ctl_sock_create(&net->ipv4.tcp_sock,
PF_INET, SOCK_RAW, IPPROTO_TCP, net);
}
static void __net_exit tcp_sk_exit(struct net *net)
{
inet_ctl_sock_destroy(net->ipv4.tcp_sock);
}
static struct pernet_operations __net_initdata tcp_sk_ops = {
.init = tcp_sk_init,
.exit = tcp_sk_exit,
};
void __init tcp_v4_init(void)
{
if (inet_ctl_sock_create(&tcp_sock, PF_INET, SOCK_RAW,
IPPROTO_TCP, &init_net) < 0)
if (register_pernet_device(&tcp_sk_ops))
panic("Failed to create the TCP control socket.\n");
tcp_sock = init_net.ipv4.tcp_sock;
}
EXPORT_SYMBOL(ipv4_specific);