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net: ipv4: Notify about changes to ip_forward_update_priority

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Drivers may make offloading decision based on whether
ip_forward_update_priority is enabled or not. Therefore distribute
netevent notifications to give them a chance to react to a change.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-08-01 00:36:42 +02:00 • committed by David S. Miller
parent 432e05d328
commit d18c5d1995
2 changed files with 19 additions and 1 deletions
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1
include/net/netevent.h
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@ -28,6 +28,7 @@ enum netevent_notif_type {
NETEVENT_DELAY_PROBE_TIME_UPDATE, /* arg is struct neigh_parms ptr */
NETEVENT_IPV4_MPATH_HASH_UPDATE, /* arg is struct net ptr */
NETEVENT_IPV6_MPATH_HASH_UPDATE, /* arg is struct net ptr */
NETEVENT_IPV4_FWD_UPDATE_PRIORITY_UPDATE, /* arg is struct net ptr */
};
int register_netevent_notifier(struct notifier_block *nb);