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[NETNS]: Create tcp control socket in the each namespace.
Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
1ed8516f09
commit
046ee90235
2 changed files with 20 additions and 2 deletions
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@ -28,6 +28,7 @@ struct netns_ipv4 {
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struct sock *fibnl;
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struct sock **icmp_sk;
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struct sock *tcp_sock;
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struct netns_frags frags;
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#ifdef CONFIG_NETFILTER
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@ -2488,11 +2488,28 @@ struct proto tcp_prot = {
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#endif
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};
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static int __net_init tcp_sk_init(struct net *net)
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{
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return inet_ctl_sock_create(&net->ipv4.tcp_sock,
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PF_INET, SOCK_RAW, IPPROTO_TCP, net);
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}
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static void __net_exit tcp_sk_exit(struct net *net)
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{
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inet_ctl_sock_destroy(net->ipv4.tcp_sock);
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}
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static struct pernet_operations __net_initdata tcp_sk_ops = {
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.init = tcp_sk_init,
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.exit = tcp_sk_exit,
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};
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void __init tcp_v4_init(void)
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{
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if (inet_ctl_sock_create(&tcp_sock, PF_INET, SOCK_RAW,
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IPPROTO_TCP, &init_net) < 0)
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if (register_pernet_device(&tcp_sk_ops))
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panic("Failed to create the TCP control socket.\n");
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tcp_sock = init_net.ipv4.tcp_sock;
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}
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EXPORT_SYMBOL(ipv4_specific);
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