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net: Introduce unregister_netdevice_queue()

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This patchs adds an unreg_list anchor to struct net_device, and
introduces an unregister_netdevice_queue() function, able to queue
a net_device to a list instead of immediately unregister it.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2009-10-27 07:03:04 +00:00 • committed by David S. Miller
commit 44a0873d52
2 changed files with 21 additions and 8 deletions
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9
include/linux/netdevice.h
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@ -683,6 +683,7 @@ struct net_device
struct list_head dev_list;
struct list_head napi_list;
struct list_head unreg_list;
/* Net device features */
unsigned long features;
@ -1116,7 +1117,13 @@ extern int dev_close(struct net_device *dev);
extern void dev_disable_lro(struct net_device *dev);
extern int dev_queue_xmit(struct sk_buff *skb);
extern int register_netdevice(struct net_device *dev);
extern void unregister_netdevice(struct net_device *dev);
extern void unregister_netdevice_queue(struct net_device *dev,
struct list_head *head);
static inline void unregister_netdevice(struct net_device *dev)
{
unregister_netdevice_queue(dev, NULL);
}
extern void free_netdev(struct net_device *dev);
extern void synchronize_net(void);
extern int register_netdevice_notifier(struct notifier_block *nb);