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netfilter: netns nf_conntrack: add netns boilerplate

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One comment: #ifdefs around #include is necessary to overcome amazing compile
breakages in NOTRACK-in-netns patch (see below).

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
This commit is contained in:
Alexey Dobriyan 2008-10-08 11:35:02 +02:00 committed by Patrick McHardy
parent e10aad9998
commit dfdb8d7918
6 changed files with 36 additions and 9 deletions
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6
include/net/net_namespace.h
View file

@ -16,6 +16,9 @@
#include <net/netns/ipv6.h>
#include <net/netns/dccp.h>
#include <net/netns/x_tables.h>
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
#include <net/netns/conntrack.h>
#endif
struct proc_dir_entry;
struct net_device;
@ -67,6 +70,9 @@ struct net {
#endif
#ifdef CONFIG_NETFILTER
struct netns_xt xt;
#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
struct netns_ct ct;
#endif
#endif
struct net_generic *gen;
};

4
include/net/netfilter/nf_conntrack_core.h
View file

@ -24,8 +24,8 @@ extern unsigned int nf_conntrack_in(u_int8_t pf,
unsigned int hooknum,
struct sk_buff *skb);
extern int nf_conntrack_init(void);
extern void nf_conntrack_cleanup(void);
extern int nf_conntrack_init(struct net *net);
extern void nf_conntrack_cleanup(struct net *net);
extern int nf_conntrack_proto_init(void);
extern void nf_conntrack_proto_fini(void);

6
include/net/netns/conntrack.h Normal file
View file

@ -0,0 +1,6 @@
#ifndef __NETNS_CONNTRACK_H
#define __NETNS_CONNTRACK_H
struct netns_ct {
};
#endif

4
net/netfilter/nf_conntrack_core.c
View file

@ -1006,7 +1006,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_flush);
/* Mishearing the voices in his head, our hero wonders how he's
supposed to kill the mall. */
void nf_conntrack_cleanup(void)
void nf_conntrack_cleanup(struct net *net)
{
rcu_assign_pointer(ip_ct_attach, NULL);
@ -1120,7 +1120,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_set_hashsize);
module_param_call(hashsize, nf_conntrack_set_hashsize, param_get_uint,
&nf_conntrack_htable_size, 0600);
int __init nf_conntrack_init(void)
int nf_conntrack_init(struct net *net)
{
int max_factor = 8;
int ret;

4
net/netfilter/nf_conntrack_expect.c
View file

@ -537,7 +537,7 @@ static const struct file_operations exp_file_ops = {
};
#endif /* CONFIG_PROC_FS */
static int __init exp_proc_init(void)
static int exp_proc_init(void)
{
#ifdef CONFIG_PROC_FS
struct proc_dir_entry *proc;
@ -558,7 +558,7 @@ static void exp_proc_remove(void)
module_param_named(expect_hashsize, nf_ct_expect_hsize, uint, 0600);
int __init nf_conntrack_expect_init(void)
int nf_conntrack_expect_init(void)
{
int err = -ENOMEM;

21
net/netfilter/nf_conntrack_standalone.c
View file

@ -440,11 +440,26 @@ static void nf_conntrack_standalone_fini_sysctl(void)
}
#endif /* CONFIG_SYSCTL */
static int nf_conntrack_net_init(struct net *net)
{
return nf_conntrack_init(net);
}
static void nf_conntrack_net_exit(struct net *net)
{
nf_conntrack_cleanup(net);
}
static struct pernet_operations nf_conntrack_net_ops = {
.init = nf_conntrack_net_init,
.exit = nf_conntrack_net_exit,
};
static int __init nf_conntrack_standalone_init(void)
{
int ret;
ret = nf_conntrack_init();
ret = register_pernet_subsys(&nf_conntrack_net_ops);
if (ret < 0)
goto out;
ret = nf_conntrack_standalone_init_proc();
@ -458,7 +473,7 @@ static int __init nf_conntrack_standalone_init(void)
out_sysctl:
nf_conntrack_standalone_fini_proc();
out_proc:
nf_conntrack_cleanup();
unregister_pernet_subsys(&nf_conntrack_net_ops);
out:
return ret;
}
@ -467,7 +482,7 @@ static void __exit nf_conntrack_standalone_fini(void)
{
nf_conntrack_standalone_fini_sysctl();
nf_conntrack_standalone_fini_proc();
nf_conntrack_cleanup();
unregister_pernet_subsys(&nf_conntrack_net_ops);
}
module_init(nf_conntrack_standalone_init);