static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
{
+ struct net *net = seq_file_net(seq);
int cpu;
if (*pos == 0)
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;
- return per_cpu_ptr(init_net.ct.stat, cpu);
+ return per_cpu_ptr(net->ct.stat, cpu);
}
return NULL;
static void *ct_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
+ struct net *net = seq_file_net(seq);
int cpu;
for (cpu = *pos; cpu < NR_CPUS; ++cpu) {
if (!cpu_possible(cpu))
continue;
*pos = cpu + 1;
- return per_cpu_ptr(init_net.ct.stat, cpu);
+ return per_cpu_ptr(net->ct.stat, cpu);
}
return NULL;
static int ct_cpu_seq_show(struct seq_file *seq, void *v)
{
- unsigned int nr_conntracks = atomic_read(&init_net.ct.count);
+ struct net *net = seq_file_net(seq);
+ unsigned int nr_conntracks = atomic_read(&net->ct.count);
const struct ip_conntrack_stat *st = v;
if (v == SEQ_START_TOKEN) {
static int ct_cpu_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &ct_cpu_seq_ops);
+ return seq_open_net(inode, file, &ct_cpu_seq_ops,
+ sizeof(struct seq_net_private));
}
static const struct file_operations ct_cpu_seq_fops = {
.open = ct_cpu_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_net,
};
static int nf_conntrack_standalone_init_proc(struct net *net)
/* Sysctl support */
-int nf_conntrack_checksum __read_mostly = 1;
-EXPORT_SYMBOL_GPL(nf_conntrack_checksum);
-
#ifdef CONFIG_SYSCTL
/* Log invalid packets of a given protocol */
static int log_invalid_proto_min = 0;
static int log_invalid_proto_max = 255;
-static struct ctl_table_header *nf_ct_sysctl_header;
static struct ctl_table_header *nf_ct_netfilter_header;
static ctl_table nf_ct_sysctl_table[] = {
{
.ctl_name = NET_NF_CONNTRACK_CHECKSUM,
.procname = "nf_conntrack_checksum",
- .data = &nf_conntrack_checksum,
+ .data = &init_net.ct.sysctl_checksum,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = &proc_dointvec,
{
.ctl_name = NET_NF_CONNTRACK_LOG_INVALID,
.procname = "nf_conntrack_log_invalid",
- .data = &nf_ct_log_invalid,
+ .data = &init_net.ct.sysctl_log_invalid,
.maxlen = sizeof(unsigned int),
.mode = 0644,
.proc_handler = &proc_dointvec_minmax,
{ }
};
-EXPORT_SYMBOL_GPL(nf_ct_log_invalid);
-
-static int nf_conntrack_standalone_init_sysctl(void)
+static int nf_conntrack_standalone_init_sysctl(struct net *net)
{
- nf_ct_netfilter_header =
- register_sysctl_paths(nf_ct_path, nf_ct_netfilter_table);
- if (!nf_ct_netfilter_header)
- goto out;
-
- nf_ct_sysctl_header =
- register_sysctl_paths(nf_net_netfilter_sysctl_path,
- nf_ct_sysctl_table);
- if (!nf_ct_sysctl_header)
+ struct ctl_table *table;
+
+ if (net_eq(net, &init_net)) {
+ nf_ct_netfilter_header =
+ register_sysctl_paths(nf_ct_path, nf_ct_netfilter_table);
+ if (!nf_ct_netfilter_header)
+ goto out;
+ }
+
+ table = kmemdup(nf_ct_sysctl_table, sizeof(nf_ct_sysctl_table),
+ GFP_KERNEL);
+ if (!table)
+ goto out_kmemdup;
+
+ table[1].data = &net->ct.count;
+ table[3].data = &net->ct.sysctl_checksum;
+ table[4].data = &net->ct.sysctl_log_invalid;
+
+ net->ct.sysctl_header = register_net_sysctl_table(net,
+ nf_net_netfilter_sysctl_path, table);
+ if (!net->ct.sysctl_header)
goto out_unregister_netfilter;
return 0;
out_unregister_netfilter:
- unregister_sysctl_table(nf_ct_netfilter_header);
+ kfree(table);
+out_kmemdup:
+ if (net_eq(net, &init_net))
+ unregister_sysctl_table(nf_ct_netfilter_header);
out:
printk("nf_conntrack: can't register to sysctl.\n");
return -ENOMEM;
}
-static void nf_conntrack_standalone_fini_sysctl(void)
+static void nf_conntrack_standalone_fini_sysctl(struct net *net)
{
- unregister_sysctl_table(nf_ct_netfilter_header);
- unregister_sysctl_table(nf_ct_sysctl_header);
+ struct ctl_table *table;
+
+ if (net_eq(net, &init_net))
+ unregister_sysctl_table(nf_ct_netfilter_header);
+ table = net->ct.sysctl_header->ctl_table_arg;
+ unregister_net_sysctl_table(net->ct.sysctl_header);
+ kfree(table);
}
#else
-static int nf_conntrack_standalone_init_sysctl(void)
+static int nf_conntrack_standalone_init_sysctl(struct net *net)
{
return 0;
}
-static void nf_conntrack_standalone_fini_sysctl(void)
+static void nf_conntrack_standalone_fini_sysctl(struct net *net)
{
}
#endif /* CONFIG_SYSCTL */
ret = nf_conntrack_standalone_init_proc(net);
if (ret < 0)
goto out_proc;
+ net->ct.sysctl_checksum = 1;
+ net->ct.sysctl_log_invalid = 0;
+ ret = nf_conntrack_standalone_init_sysctl(net);
+ if (ret < 0)
+ goto out_sysctl;
return 0;
+out_sysctl:
+ nf_conntrack_standalone_fini_proc(net);
out_proc:
nf_conntrack_cleanup(net);
out_init:
static void nf_conntrack_net_exit(struct net *net)
{
+ nf_conntrack_standalone_fini_sysctl(net);
nf_conntrack_standalone_fini_proc(net);
nf_conntrack_cleanup(net);
}
static int __init nf_conntrack_standalone_init(void)
{
- int ret;
-
- ret = register_pernet_subsys(&nf_conntrack_net_ops);
- if (ret < 0)
- goto out;
- ret = nf_conntrack_standalone_init_sysctl();
- if (ret < 0)
- goto out_sysctl;
- return 0;
-
-out_sysctl:
- unregister_pernet_subsys(&nf_conntrack_net_ops);
-out:
- return ret;
+ return register_pernet_subsys(&nf_conntrack_net_ops);
}
static void __exit nf_conntrack_standalone_fini(void)
{
- nf_conntrack_standalone_fini_sysctl();
unregister_pernet_subsys(&nf_conntrack_net_ops);
}