*****************************************************************************/
#include <linux/module.h>
-#include <linux/stddef.h> /* offsetof(), etc. */
-#include <linux/errno.h> /* return codes */
+#include <linux/errno.h>
#include <linux/kernel.h>
-#include <linux/slab.h> /* kmalloc(), kfree() */
-#include <linux/mm.h>
-#include <linux/string.h> /* inline mem*, str* functions */
-#include <linux/init.h> /* __initfunc et al. */
-#include <asm/byteorder.h> /* htons(), etc. */
-#include <asm/uaccess.h> /* copy_to_user */
-#include <asm/io.h>
+#include <linux/string.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/fs.h>
#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"
* Generic /proc/net/vlan/<file> file and inode operations
*/
-static struct seq_operations vlan_seq_ops = {
+static const struct seq_operations vlan_seq_ops = {
.start = vlan_seq_start,
.next = vlan_seq_next,
.stop = vlan_seq_stop,
static int vlan_seq_open(struct inode *inode, struct file *file)
{
- return seq_open(file, &vlan_seq_ops);
+ return seq_open_net(inode, file, &vlan_seq_ops,
+ sizeof(struct seq_net_private));
}
-static struct file_operations vlan_fops = {
+static const struct file_operations vlan_fops = {
.owner = THIS_MODULE,
.open = vlan_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release,
+ .release = seq_release_net,
};
/*
return single_open(file, vlandev_seq_show, PDE(inode)->data);
}
-static struct file_operations vlandev_fops = {
+static const struct file_operations vlandev_fops = {
.owner = THIS_MODULE,
.open = vlandev_seq_open,
.read = seq_read,
* 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",
- [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",
+static const char *const 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",
};
/*
* Interface functions
* Clean up /proc/net/vlan entries
*/
-void vlan_proc_cleanup(void)
+void vlan_proc_cleanup(struct net *net)
{
- if (proc_vlan_conf)
- remove_proc_entry(name_conf, proc_vlan_dir);
+ struct vlan_net *vn = net_generic(net, vlan_net_id);
+
+ if (vn->proc_vlan_conf)
+ remove_proc_entry(name_conf, vn->proc_vlan_dir);
- if (proc_vlan_dir)
- proc_net_remove(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...
* Create /proc/net/vlan entries
*/
-int __init vlan_proc_init(void)
+int vlan_proc_init(struct net *net)
{
- proc_vlan_dir = proc_mkdir(name_root, 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;
- }
- }
- vlan_proc_cleanup();
+ struct vlan_net *vn = net_generic(net, vlan_net_id);
+
+ vn->proc_vlan_dir = proc_net_mkdir(net, name_root, net->proc_net);
+ if (!vn->proc_vlan_dir)
+ goto err;
+
+ 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;
+
+err:
+ pr_err("%s: can't create entry in proc filesystem!\n", __func__);
+ vlan_proc_cleanup(net);
return -ENOBUFS;
}
* 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);
+ struct vlan_net *vn = net_generic(dev_net(vlandev), vlan_net_id);
- dev_info->dent = create_proc_entry(vlandev->name,
- S_IFREG|S_IRUSR|S_IWUSR,
- proc_vlan_dir);
+ dev_info->dent =
+ proc_create_data(vlandev->name, S_IFREG|S_IRUSR|S_IWUSR,
+ vn->proc_vlan_dir, &vlandev_fops, vlandev);
if (!dev_info->dent)
return -ENOBUFS;
-
- 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;
}
*/
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
+ 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);
- VLAN_DEV_INFO(vlandev)->dent = NULL;
+ if (vlan_dev_info(vlandev)->dent) {
+ remove_proc_entry(vlan_dev_info(vlandev)->dent->name,
+ vn->proc_vlan_dir);
+ vlan_dev_info(vlandev)->dent = NULL;
}
-
return 0;
}
* The following few functions build the content of /proc/net/vlan/config
*/
-/* starting at dev, find a VLAN device */
-static struct net_device *vlan_skip(struct net_device *dev)
-{
- while (dev && !(dev->priv_flags & IFF_802_1Q_VLAN))
- dev = dev->next;
-
- return dev;
-}
-
/* start read of /proc/net/vlan/config */
static void *vlan_seq_start(struct seq_file *seq, loff_t *pos)
+ __acquires(rcu)
{
struct net_device *dev;
+ struct net *net = seq_file_net(seq);
loff_t i = 1;
- read_lock(&dev_base_lock);
-
+ rcu_read_lock();
if (*pos == 0)
return SEQ_START_TOKEN;
- for (dev = vlan_skip(dev_base); dev && i < *pos;
- dev = vlan_skip(dev->next), ++i);
+ for_each_netdev_rcu(net, dev) {
+ if (!is_vlan_dev(dev))
+ continue;
- return (i == *pos) ? dev : NULL;
+ if (i++ == *pos)
+ return dev;
+ }
+
+ return NULL;
}
static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
+ struct net_device *dev;
+ struct net *net = seq_file_net(seq);
+
++*pos;
- return vlan_skip((v == SEQ_START_TOKEN)
- ? dev_base
- : ((struct net_device *)v)->next);
+ dev = (struct net_device *)v;
+ if (v == SEQ_START_TOKEN)
+ dev = net_device_entry(&net->dev_base_head);
+
+ for_each_netdev_continue_rcu(net, dev) {
+ if (!is_vlan_dev(dev))
+ continue;
+
+ return dev;
+ }
+
+ return NULL;
}
static void vlan_seq_stop(struct seq_file *seq, void *v)
+ __releases(rcu)
{
- read_unlock(&dev_base_lock);
+ rcu_read_unlock();
}
static int vlan_seq_show(struct seq_file *seq, void *v)
{
+ struct net *net = seq_file_net(seq);
+ struct vlan_net *vn = net_generic(net, vlan_net_id);
+
if (v == SEQ_START_TOKEN) {
const char *nmtype = NULL;
seq_puts(seq, "VLAN Dev name | VLAN ID\n");
- if (vlan_name_type < ARRAY_SIZE(vlan_name_type_str))
- nmtype = vlan_name_type_str[vlan_name_type];
+ if (vn->name_type < ARRAY_SIZE(vlan_name_type_str))
+ nmtype = vlan_name_type_str[vn->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);
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);
+ const struct net_device_stats *stats;
static const char fmt[] = "%30s %12lu\n";
int i;
- if ((vlandev == NULL) || (!(vlandev->priv_flags & IFF_802_1Q_VLAN)))
+ if (!is_vlan_dev(vlandev))
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);
+ stats = 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);
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:%lu 1:%lu 2:%lu 3:%lu 4:%lu 5:%lu 6:%lu 7:%lu\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: ");
+ 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, " EGRESS priority mappings: ");
for (i = 0; i < 16; i++) {
const struct vlan_priority_tci_mapping *mp
= dev_info->egress_priority_map[i];
while (mp) {
- seq_printf(seq, "%lu:%hu ",
+ seq_printf(seq, "%u:%hu ",
mp->priority, ((mp->vlan_qos >> 13) & 0x7));
mp = mp->next;
}