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OpenCloudOS-Kernel
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[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: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-04-13 22:29:37 -07:00 committed by David S. Miller
parent 72a2d61382
commit 7b1cffa8c9
2 changed files with 13 additions and 10 deletions
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3
include/net/netns/dccp.h
View File

@ -1,7 +1,10 @@
#ifndef __NETNS_DCCP_H__
#define __NETNS_DCCP_H__
struct sock;
struct netns_dccp {
struct sock *v4_ctl_sk;
};
#endif

20
net/dccp/ipv4.c
View File

@ -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);