xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: introduce dev_net notifier register/unregister variants

Browse Source 
Introduce dev_net variants of netdev notifier register/unregister functions
and allow per-net notifier to follow the netdevice into the namespace it is
moved to.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2020-01-25 12:17:08 +01:00
committed by David S. Miller
parent 1f637703d8
commit 93642e14bd
2 changed files with 63 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
include/linux/netdevice.h
View File

@@ -939,6 +939,11 @@ struct netdev_name_node {
int netdev_name_node_alt_create(struct net_device *dev, const char *name);
int netdev_name_node_alt_destroy(struct net_device *dev, const char *name);
struct netdev_net_notifier {
struct list_head list;
struct notifier_block *nb;
};
/*
* This structure defines the management hooks for network devices.
* The following hooks can be defined; unless noted otherwise, they are
@@ -1793,6 +1798,10 @@ enum netdev_priv_flags {
*
* @wol_enabled: Wake-on-LAN is enabled
*
* @net_notifier_list: List of per-net netdev notifier block
* that follow this device when it is moved
* to another network namespace.
*
* FIXME: cleanup struct net_device such that network protocol info
* moves out.
*/
@@ -2085,6 +2094,8 @@ struct net_device {
struct lock_class_key addr_list_lock_key;
bool proto_down;
unsigned wol_enabled:1;
struct list_head net_notifier_list;
};
#define to_net_dev(d) container_of(d, struct net_device, dev)
@@ -2529,6 +2540,12 @@ int unregister_netdevice_notifier(struct notifier_block *nb);
int register_netdevice_notifier_net(struct net *net, struct notifier_block *nb);
int unregister_netdevice_notifier_net(struct net *net,
struct notifier_block *nb);
int register_netdevice_notifier_dev_net(struct net_device *dev,
struct notifier_block *nb,
struct netdev_net_notifier *nn);
int unregister_netdevice_notifier_dev_net(struct net_device *dev,
struct notifier_block *nb,
struct netdev_net_notifier *nn);
struct netdev_notifier_info {
struct net_device *dev;