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Commit 046ee902 authored by Denis V. Lunev's avatar Denis V. Lunev Committed by David S. Miller
Browse files

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



Signed-off-by: default avatarDenis V. Lunev <den@openvz.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1ed8516f

include/net/netns/ipv4.h

+1 −0
Original line number Diff line number Diff line
@@ -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

net/ipv4/tcp_ipv4.c

+19 −2
Original line number Diff line number Diff line
@@ -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);