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linux-sg2042
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[VLAN]: Create proc entries in the proper net. 

The proc_vlan_dir and proc_vlan_conf migrate on the struct
vlan_net and their creation uses the struct net.

The devices' entries use the corresponding device's net.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Pavel Emelyanov 2008-04-16 00:51:51 -07:00 committed by David S. Miller
parent cd1c701432
commit a59a8c1c86
2 changed files with 23 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
net/8021q/vlan.h
View File

@ -52,7 +52,13 @@ static inline int is_vlan_dev(struct net_device *dev)
extern int vlan_net_id;
struct proc_dir_entry;
struct vlan_net {
/* /proc/net/vlan */
struct proc_dir_entry *proc_vlan_dir;
/* /proc/net/vlan/config */
struct proc_dir_entry *proc_vlan_conf;
};
#endif /* !(__BEN_VLAN_802_1Q_INC__) */

44
net/8021q/vlanproc.c
View File

@ -34,6 +34,7 @@
#include <linux/netdevice.h>
#include <linux/if_vlan.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
#include "vlanproc.h"
#include "vlan.h"
@ -111,18 +112,6 @@ static const struct file_operations vlandev_fops = {
* Proc filesystem derectory entries.
*/
/*
* /proc/net/vlan
*/
static struct proc_dir_entry *proc_vlan_dir;
/*
* /proc/net/vlan/config
*/
static struct proc_dir_entry *proc_vlan_conf;
/* Strings */
static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
[VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID",
@ -140,14 +129,13 @@ static const char *vlan_name_type_str[VLAN_NAME_TYPE_HIGHEST] = {
void vlan_proc_cleanup(struct net *net)
{
if (net != &init_net)
return;
struct vlan_net *vn = net_generic(net, vlan_net_id);
if (proc_vlan_conf)
remove_proc_entry(name_conf, proc_vlan_dir);
if (vn->proc_vlan_conf)
remove_proc_entry(name_conf, vn->proc_vlan_dir);
if (proc_vlan_dir)
proc_net_remove(&init_net, name_root);
if (vn->proc_vlan_dir)
proc_net_remove(net, name_root);
/* Dynamically added entries should be cleaned up as their vlan_device
* is removed, so we should not have to take care of it here...
@ -160,16 +148,15 @@ void vlan_proc_cleanup(struct net *net)
int vlan_proc_init(struct net *net)
{
if (net != &init_net)
return 0;
struct vlan_net *vn = net_generic(net, vlan_net_id);
proc_vlan_dir = proc_mkdir(name_root, init_net.proc_net);
if (!proc_vlan_dir)
vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
if (!vn->proc_vlan_dir)
goto err;
proc_vlan_conf = proc_create(name_conf, S_IFREG|S_IRUSR|S_IWUSR,
proc_vlan_dir, &vlan_fops);
if (!proc_vlan_conf)
vn->proc_vlan_conf = proc_create(name_conf, S_IFREG|S_IRUSR|S_IWUSR,
vn->proc_vlan_dir, &vlan_fops);
if (!vn->proc_vlan_conf)
goto err;
return 0;
@ -186,9 +173,10 @@ err:
int vlan_proc_add_dev(struct net_device *vlandev)
{
struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
dev_info->dent = proc_create(vlandev->name, S_IFREG|S_IRUSR|S_IWUSR,
proc_vlan_dir, &vlandev_fops);
vn->proc_vlan_dir, &vlandev_fops);
if (!dev_info->dent)
return -ENOBUFS;
@ -201,10 +189,12 @@ int vlan_proc_add_dev(struct net_device *vlandev)
*/
int vlan_proc_rem_dev(struct net_device *vlandev)
{
struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
/** NOTE: This will consume the memory pointed to by dent, it seems. */
if (vlan_dev_info(vlandev)->dent) {
remove_proc_entry(vlan_dev_info(vlandev)->dent->name,
proc_vlan_dir);
vn->proc_vlan_dir);
vlan_dev_info(vlandev)->dent = NULL;
}
return 0;