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net: pass changed flags along with NETDEV_CHANGE event 

Use new netdevice notifier infrastructure to pass along changed flags.

Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: shortened notifier_info struct name
Signed-off-by: David S. Miller <davem@davemloft.net>
hifive-unleashed-5.1
Jiri Pirko 2013-05-28 01:30:22 +00:00 committed by David S. Miller
parent 351638e7de
commit be9efd3653
2 changed files with 12 additions and 2 deletions
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5
include/linux/netdevice.h
View File

@ -1604,6 +1604,11 @@ struct netdev_notifier_info {
struct net_device *dev;
};
struct netdev_notifier_change_info {
struct netdev_notifier_info info; /* must be first */
unsigned int flags_changed;
};
static inline struct net_device *
netdev_notifier_info_to_dev(const struct netdev_notifier_info *info)
{

9
net/core/dev.c
View File

@ -4771,8 +4771,13 @@ void __dev_notify_flags(struct net_device *dev, unsigned int old_flags)
}
if (dev->flags & IFF_UP &&
(changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE)))
call_netdevice_notifiers(NETDEV_CHANGE, dev);
(changes & ~(IFF_UP | IFF_PROMISC | IFF_ALLMULTI | IFF_VOLATILE))) {
struct netdev_notifier_change_info change_info;
change_info.flags_changed = changes;
call_netdevice_notifiers_info(NETDEV_CHANGE, dev,
&change_info.info);
}
}
/**