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Diffstat (limited to 'net/8021q/vlanproc.c')
-rw-r--r--net/8021q/vlanproc.c109
1 files changed, 42 insertions, 67 deletions
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index 6cefdf8e381a..a0ec47925597 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -125,10 +125,10 @@ 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",
- [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
- [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD]= "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",
- [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID",
+ [VLAN_NAME_TYPE_RAW_PLUS_VID] = "VLAN_NAME_TYPE_RAW_PLUS_VID",
+ [VLAN_NAME_TYPE_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_PLUS_VID_NO_PAD",
+ [VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD] = "VLAN_NAME_TYPE_RAW_PLUS_VID_NO_PAD",
+ [VLAN_NAME_TYPE_PLUS_VID] = "VLAN_NAME_TYPE_PLUS_VID",
};
/*
* Interface functions
@@ -158,15 +158,18 @@ void vlan_proc_cleanup(void)
int __init vlan_proc_init(void)
{
proc_vlan_dir = proc_mkdir(name_root, init_net.proc_net);
- if (proc_vlan_dir) {
- proc_vlan_conf = create_proc_entry(name_conf,
- S_IFREG|S_IRUSR|S_IWUSR,
- proc_vlan_dir);
- if (proc_vlan_conf) {
- proc_vlan_conf->proc_fops = &vlan_fops;
- return 0;
- }
- }
+ if (!proc_vlan_dir)
+ goto err;
+
+ proc_vlan_conf = create_proc_entry(name_conf, S_IFREG|S_IRUSR|S_IWUSR,
+ proc_vlan_dir);
+ if (!proc_vlan_conf)
+ goto err;
+ proc_vlan_conf->proc_fops = &vlan_fops;
+ return 0;
+
+err:
+ pr_err("%s: can't create entry in proc filesystem!\n", __FUNCTION__);
vlan_proc_cleanup();
return -ENOBUFS;
}
@@ -175,16 +178,9 @@ int __init vlan_proc_init(void)
* Add directory entry for VLAN device.
*/
-int vlan_proc_add_dev (struct net_device *vlandev)
+int vlan_proc_add_dev(struct net_device *vlandev)
{
- struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev);
-
- if (!(vlandev->priv_flags & IFF_802_1Q_VLAN)) {
- printk(KERN_ERR
- "ERROR: vlan_proc_add, device -:%s:- is NOT a VLAN\n",
- vlandev->name);
- return -EINVAL;
- }
+ struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
dev_info->dent = create_proc_entry(vlandev->name,
S_IFREG|S_IRUSR|S_IWUSR,
@@ -194,11 +190,6 @@ int vlan_proc_add_dev (struct net_device *vlandev)
dev_info->dent->proc_fops = &vlandev_fops;
dev_info->dent->data = vlandev;
-
-#ifdef VLAN_DEBUG
- printk(KERN_ERR "vlan_proc_add, device -:%s:- being added.\n",
- vlandev->name);
-#endif
return 0;
}
@@ -207,28 +198,12 @@ int vlan_proc_add_dev (struct net_device *vlandev)
*/
int vlan_proc_rem_dev(struct net_device *vlandev)
{
- if (!vlandev) {
- printk(VLAN_ERR "%s: invalid argument: %p\n",
- __FUNCTION__, vlandev);
- return -EINVAL;
- }
-
- if (!(vlandev->priv_flags & IFF_802_1Q_VLAN)) {
- printk(VLAN_DBG "%s: invalid argument, device: %s is not a VLAN device, priv_flags: 0x%4hX.\n",
- __FUNCTION__, vlandev->name, vlandev->priv_flags);
- return -EINVAL;
- }
-
-#ifdef VLAN_DEBUG
- printk(VLAN_DBG "%s: dev: %p\n", __FUNCTION__, vlandev);
-#endif
-
/** 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);
- VLAN_DEV_INFO(vlandev)->dent = NULL;
+ if (vlan_dev_info(vlandev)->dent) {
+ remove_proc_entry(vlan_dev_info(vlandev)->dent->name,
+ proc_vlan_dir);
+ vlan_dev_info(vlandev)->dent = NULL;
}
-
return 0;
}
@@ -245,6 +220,7 @@ static inline int is_vlan_dev(struct net_device *dev)
/* start read of /proc/net/vlan/config */
static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(dev_base_lock)
{
struct net_device *dev;
loff_t i = 1;
@@ -286,6 +262,7 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
}
static void vlan_seq_stop(struct seq_file *seq, void *v)
+ __releases(dev_base_lock)
{
read_unlock(&dev_base_lock);
}
@@ -301,10 +278,10 @@ static int vlan_seq_show(struct seq_file *seq, void *v)
nmtype = vlan_name_type_str[vlan_name_type];
seq_printf(seq, "Name-Type: %s\n",
- nmtype ? nmtype : "UNKNOWN" );
+ nmtype ? nmtype : "UNKNOWN");
} else {
const struct net_device *vlandev = v;
- const struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev);
+ const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
seq_printf(seq, "%-15s| %d | %s\n", vlandev->name,
dev_info->vlan_id, dev_info->real_dev->name);
@@ -315,20 +292,18 @@ static int vlan_seq_show(struct seq_file *seq, void *v)
static int vlandev_seq_show(struct seq_file *seq, void *offset)
{
struct net_device *vlandev = (struct net_device *) seq->private;
- const struct vlan_dev_info *dev_info = VLAN_DEV_INFO(vlandev);
- struct net_device_stats *stats;
+ const struct vlan_dev_info *dev_info = vlan_dev_info(vlandev);
+ struct net_device_stats *stats = &vlandev->stats;
static const char fmt[] = "%30s %12lu\n";
int i;
if (!(vlandev->priv_flags & IFF_802_1Q_VLAN))
return 0;
- seq_printf(seq, "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n",
- vlandev->name, dev_info->vlan_id,
- (int)(dev_info->flags & 1), vlandev->priv_flags);
-
-
- stats = vlan_dev_get_stats(vlandev);
+ seq_printf(seq,
+ "%s VID: %d REORDER_HDR: %i dev->priv_flags: %hx\n",
+ vlandev->name, dev_info->vlan_id,
+ (int)(dev_info->flags & 1), vlandev->priv_flags);
seq_printf(seq, fmt, "total frames received", stats->rx_packets);
seq_printf(seq, fmt, "total bytes received", stats->rx_bytes);
@@ -342,16 +317,16 @@ static int vlandev_seq_show(struct seq_file *seq, void *offset)
dev_info->cnt_encap_on_xmit);
seq_printf(seq, "Device: %s", dev_info->real_dev->name);
/* now show all PRIORITY mappings relating to this VLAN */
- seq_printf(seq,
- "\nINGRESS priority mappings: 0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n",
- dev_info->ingress_priority_map[0],
- dev_info->ingress_priority_map[1],
- dev_info->ingress_priority_map[2],
- dev_info->ingress_priority_map[3],
- dev_info->ingress_priority_map[4],
- dev_info->ingress_priority_map[5],
- dev_info->ingress_priority_map[6],
- dev_info->ingress_priority_map[7]);
+ seq_printf(seq, "\nINGRESS priority mappings: "
+ "0:%u 1:%u 2:%u 3:%u 4:%u 5:%u 6:%u 7:%u\n",
+ dev_info->ingress_priority_map[0],
+ dev_info->ingress_priority_map[1],
+ dev_info->ingress_priority_map[2],
+ dev_info->ingress_priority_map[3],
+ dev_info->ingress_priority_map[4],
+ dev_info->ingress_priority_map[5],
+ dev_info->ingress_priority_map[6],
+ dev_info->ingress_priority_map[7]);
seq_printf(seq, "EGRESSS priority Mappings: ");
for (i = 0; i < 16; i++) {