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dev: update __dev_notify_flags() to send rtnl msg

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This patch only prepares the next one, there is no functional change.
Now, __dev_notify_flags() can also be used to notify flags changes via
rtnetlink.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Nicolas Dichtel 2013-09-25 12:02:44 +02:00 • committed by David S. Miller
commit a528c219df
3 changed files with 10 additions and 8 deletions
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11
net/core/dev.c
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@ -5235,10 +5235,14 @@ int __dev_change_flags(struct net_device *dev, unsigned int flags)
return ret;
}
void __dev_notify_flags(struct net_device *dev, unsigned int old_flags)
void __dev_notify_flags(struct net_device *dev, unsigned int old_flags,
unsigned int gchanges)
{
unsigned int changes = dev->flags ^ old_flags;
if (gchanges)
rtmsg_ifinfo(RTM_NEWLINK, dev, gchanges);
if (changes & IFF_UP) {
if (dev->flags & IFF_UP)
call_netdevice_notifiers(NETDEV_UP, dev);
@ -5274,10 +5278,7 @@ int dev_change_flags(struct net_device *dev, unsigned int flags)
return ret;
changes = old_flags ^ dev->flags;
if (changes)
rtmsg_ifinfo(RTM_NEWLINK, dev, changes);
__dev_notify_flags(dev, old_flags);
__dev_notify_flags(dev, old_flags, changes);
return ret;
}
EXPORT_SYMBOL(dev_change_flags);