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Commit 7b1cffa8 authored by Pavel Emelyanov's avatar Pavel Emelyanov Committed by David S. Miller
Browse files

[NETNS][DCCPV4]: Move the dccp_v4_ctl_sk on the struct net. 



And replace all its usage with init_net's socket.

Signed-off-by: default avatarPavel Emelyanov <xemul@openvz.org>
Acked-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 72a2d613

include/net/netns/dccp.h

+3 −0
Original line number Diff line number Diff line 
#ifndef __NETNS_DCCP_H__

#define __NETNS_DCCP_H__



struct sock;



struct netns_dccp {

	struct sock *v4_ctl_sk;

};



#endif

net/dccp/ipv4.c

+10 −10
Original line number Diff line number Diff line
@@ -32,11 +32,10 @@ 
#include "feat.h"



/*

 * This is the global socket data structure used for responding to

 * The dccp_ctl_sk is the global socket data structure used for responding to

 * the Out-of-the-blue (OOTB) packets. A control sock will be created

 * for this socket at the initialization time.

 */

static struct sock *dccp_v4_ctl_sk;



int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)

{
@@ -506,6 +505,7 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb) 
	const struct iphdr *rxiph;

	struct sk_buff *skb;

	struct dst_entry *dst;

	struct sock *ctl_sk = init_net.dccp.v4_ctl_sk;



	/* Never send a reset in response to a reset. */

	if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
@@ -514,11 +514,11 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb) 
	if (rxskb->rtable->rt_type != RTN_LOCAL)

		return;



	dst = dccp_v4_route_skb(dccp_v4_ctl_sk, rxskb);

	dst = dccp_v4_route_skb(ctl_sk, rxskb);

	if (dst == NULL)

		return;



	skb = dccp_ctl_make_reset(dccp_v4_ctl_sk, rxskb);

	skb = dccp_ctl_make_reset(ctl_sk, rxskb);

	if (skb == NULL)

		goto out;
@@ -527,10 +527,10 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb) 
								 rxiph->daddr);

	skb->dst = dst_clone(dst);



	bh_lock_sock(dccp_v4_ctl_sk);

	err = ip_build_and_send_pkt(skb, dccp_v4_ctl_sk,

	bh_lock_sock(ctl_sk);

	err = ip_build_and_send_pkt(skb, ctl_sk,

				    rxiph->daddr, rxiph->saddr, NULL);

	bh_unlock_sock(dccp_v4_ctl_sk);

	bh_unlock_sock(ctl_sk);



	if (net_xmit_eval(err) == 0) {

		DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
@@ -1016,7 +1016,7 @@ static int __init dccp_v4_init(void) 


	inet_register_protosw(&dccp_v4_protosw);



	err = inet_ctl_sock_create(&dccp_v4_ctl_sk, PF_INET,

	err = inet_ctl_sock_create(&init_net.dccp.v4_ctl_sk, PF_INET,

				   SOCK_DCCP, IPPROTO_DCCP, &init_net);

	if (err)

		goto out_unregister_protosw;
@@ -1027,7 +1027,7 @@ static int __init dccp_v4_init(void) 
out:

	return err;

out_destroy_ctl_sock:

	inet_ctl_sock_destroy(dccp_v4_ctl_sk);

	inet_ctl_sock_destroy(init_net.dccp.v4_ctl_sk);

out_unregister_protosw:

	inet_unregister_protosw(&dccp_v4_protosw);

	inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);
@@ -1039,7 +1039,7 @@ out_proto_unregister: 
static void __exit dccp_v4_exit(void)

{

	unregister_pernet_subsys(&dccp_v4_ops);

	inet_ctl_sock_destroy(dccp_v4_ctl_sk);

	inet_ctl_sock_destroy(init_net.dccp.v4_ctl_sk);

	inet_unregister_protosw(&dccp_v4_protosw);

	inet_del_protocol(&dccp_v4_protocol, IPPROTO_DCCP);

	proto_unregister(&dccp_v4_prot);