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switchdev: Add extack argument to call_switchdev_notifiers()

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A follow-up patch will enable vetoing of FDB entries. Make it possible
to communicate details of why an FDB entry is not acceptable back to the
user.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata
2019-01-16 23:06:56 +00:00
committed by David S. Miller
parent 4c59b7d160
commit 6685987c29
10 changed files with 24 additions and 19 deletions
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5
net/switchdev/switchdev.c
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@@ -556,10 +556,11 @@ EXPORT_SYMBOL_GPL(unregister_switchdev_notifier);
* Call all network notifier blocks.
*/
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
struct switchdev_notifier_info *info)
struct switchdev_notifier_info *info,
struct netlink_ext_ack *extack)
{
info->dev = dev;
info->extack = NULL;
info->extack = extack;
return atomic_notifier_call_chain(&switchdev_notif_chain, val, info);
}
EXPORT_SYMBOL_GPL(call_switchdev_notifiers);