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net/core: Add event for a change in slave state

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Add event which provides an indication on a change in the state
of a bonding slave. The event handler should cast the pointer to the
appropriate type (struct netdev_bonding_info) in order to get the
full info about the slave.

Signed-off-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Moni Shoua
2015-02-03 16:48:29 +02:00
committed by David S. Miller
parent 251c005a64
commit 61bd3857ff
3 changed files with 36 additions and 0 deletions
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20
net/core/dev.c
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@@ -5355,6 +5355,26 @@ void netdev_upper_dev_unlink(struct net_device *dev,
}
EXPORT_SYMBOL(netdev_upper_dev_unlink);
/**
* netdev_bonding_info_change - Dispatch event about slave change
* @dev: device
* @netdev_bonding_info: info to dispatch
*
* Send NETDEV_BONDING_INFO to netdev notifiers with info.
* The caller must hold the RTNL lock.
*/
void netdev_bonding_info_change(struct net_device *dev,
struct netdev_bonding_info *bonding_info)
{
struct netdev_notifier_bonding_info info;
memcpy(&info.bonding_info, bonding_info,
sizeof(struct netdev_bonding_info));
call_netdevice_notifiers_info(NETDEV_BONDING_INFO, dev,
&info.info);
}
EXPORT_SYMBOL(netdev_bonding_info_change);
void netdev_adjacent_add_links(struct net_device *dev)
{
struct netdev_adjacent *iter;