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[IPV4][NETNS]: Display per-net info in sockstat file.

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Besides, now we can see per-net fragments statistics in the
same file, since this stats is already per-net.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-03-31 19:43:18 -07:00 committed by David S. Miller
parent d0538ca355
commit fd4e7b5045
1 changed files with 34 additions and 7 deletions
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41
net/ipv4/proc.c
View file

@ -51,27 +51,54 @@
*/
static int sockstat_seq_show(struct seq_file *seq, void *v)
{
struct net *net = seq->private;
socket_seq_show(seq);
seq_printf(seq, "TCP: inuse %d orphan %d tw %d alloc %d mem %d\n",
sock_prot_inuse_get(&init_net, &tcp_prot),
sock_prot_inuse_get(net, &tcp_prot),
atomic_read(&tcp_orphan_count),
tcp_death_row.tw_count, atomic_read(&tcp_sockets_allocated),
atomic_read(&tcp_memory_allocated));
seq_printf(seq, "UDP: inuse %d mem %d\n",
sock_prot_inuse_get(&init_net, &udp_prot),
sock_prot_inuse_get(net, &udp_prot),
atomic_read(&udp_memory_allocated));
seq_printf(seq, "UDPLITE: inuse %d\n",
sock_prot_inuse_get(&init_net, &udplite_prot));
sock_prot_inuse_get(net, &udplite_prot));
seq_printf(seq, "RAW: inuse %d\n",
sock_prot_inuse_get(&init_net, &raw_prot));
sock_prot_inuse_get(net, &raw_prot));
seq_printf(seq, "FRAG: inuse %d memory %d\n",
ip_frag_nqueues(&init_net), ip_frag_mem(&init_net));
ip_frag_nqueues(net), ip_frag_mem(net));
return 0;
}
static int sockstat_seq_open(struct inode *inode, struct file *file)
{
return single_open(file, sockstat_seq_show, NULL);
int err;
struct net *net;
err = -ENXIO;
net = get_proc_net(inode);
if (net == NULL)
goto err_net;
err = single_open(file, sockstat_seq_show, net);
if (err < 0)
goto err_open;
return 0;
err_open:
put_net(net);
err_net:
return err;
}
static int sockstat_seq_release(struct inode *inode, struct file *file)
{
struct net *net = ((struct seq_file *)file->private_data)->private;
put_net(net);
return single_release(inode, file);
}
static const struct file_operations sockstat_seq_fops = {
@ -79,7 +106,7 @@ static const struct file_operations sockstat_seq_fops = {
.open = sockstat_seq_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.release = sockstat_seq_release,
};
/* snmp items */