[PATCH 19/33] netns ct: per-netns /proc/net/stat/nf_conntrack, /proc/net/stat/ip_conntrack

Alexey Dobriyan
2008-09-08T03:02:38Z

Show correct conntrack count while I'm at it.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>

diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
index fdc85b3..313ebf0 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -285,6 +285,7 @@ static const struct file_operations ip_exp_file_ops = {

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)
@@ -294,7 +295,7 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
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;
@@ -302,13 +303,14 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)

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;
@@ -320,7 +322,8 @@ static void ct_cpu_seq_stop(struct seq_file *seq, void *v)

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) {
@@ -360,7 +363,8 @@ static const struct seq_operations ct_cpu_seq_ops = {

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 = {
@@ -368,7 +372,7 @@ 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 __net_init ip_conntrack_net_init(struct net *net)
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index a4fdbbf..169760d 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -194,6 +194,7 @@ static const struct file_operations ct_file_ops = {

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)
@@ -203,7 +204,7 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)
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;
@@ -211,13 +212,14 @@ static void *ct_cpu_seq_start(struct seq_file *seq, loff_t *pos)

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;
@@ -229,7 +231,8 @@ static void ct_cpu_seq_stop(struct seq_file *seq, void *v)

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) {
@@ -269,7 +272,8 @@ static const struct seq_operations ct_cpu_seq_ops = {

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 = {
@@ -277,7 +281,7 @@ 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)