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mlxsw: spectrum_switchdev: Check notification relevance based on upper device 

VxLAN FDB updates are sent with the VxLAN device which is not our upper
and will therefore be ignored by current code.

Solve this by checking whether the upper device (bridge) is our upper.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2018-10-11 07:47:52 +00:00 committed by David S. Miller
parent ab74c3a127
commit 5050f6ae25
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
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@ -2344,8 +2344,15 @@ static int mlxsw_sp_switchdev_event(struct notifier_block *unused,
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
struct mlxsw_sp_switchdev_event_work *switchdev_work;
struct switchdev_notifier_fdb_info *fdb_info = ptr;
struct net_device *br_dev;
if (!mlxsw_sp_port_dev_lower_find_rcu(dev))
/* Tunnel devices are not our uppers, so check their master instead */
br_dev = netdev_master_upper_dev_get_rcu(dev);
if (!br_dev)
return NOTIFY_DONE;
if (!netif_is_bridge_master(br_dev))
return NOTIFY_DONE;
if (!mlxsw_sp_port_dev_lower_find_rcu(br_dev))
return NOTIFY_DONE;
switchdev_work = kzalloc(sizeof(*switchdev_work), GFP_ATOMIC);