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net: Add info for NETDEV_CHANGEUPPER event

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Some consumers of NETDEV_CHANGEUPPER event would like to know which
upper device was linked/unlinked and what operation was carried.

Add information in the notifier info block for that purpose.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2015-07-30 18:33:23 +03:00 • committed by Doug Ledford
parent 399e6f9581
commit 816dd19b3d
2 changed files with 24 additions and 2 deletions
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14
include/linux/netdevice.h
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@ -3556,6 +3556,20 @@ struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
struct sk_buff *skb_mac_gso_segment(struct sk_buff *skb,
netdev_features_t features);
enum netdev_changeupper_event {
NETDEV_CHANGEUPPER_LINK,
NETDEV_CHANGEUPPER_UNLINK,
};
struct netdev_changeupper_info {
struct netdev_notifier_info info; /* must be first */
enum netdev_changeupper_event event;
struct net_device *upper;
};
void netdev_changeupper_info_change(struct net_device *dev,
struct netdev_changeupper_info *info);
struct netdev_bonding_info {
ifslave slave;
ifbond master;