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team: no need to do team_notify_peers or team_mcast_rejoin when disabling port

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team_notify_peers() will send ARP and NA to notify peers. team_mcast_rejoin()
will send multicast join group message to notify peers. We should do this when
enabling/changed to a new port. But it doesn't make sense to do it when a port
is disabled.

On the other hand, when we set mcast_rejoin_count to 2, and do a failover,
team_port_disable() will increase mcast_rejoin.count_pending to 2 and then
team_port_enable() will increase mcast_rejoin.count_pending to 4. We will send
4 mcast rejoin messages at latest, which will make user confused. The same
with notify_peers.count.

Fix it by deleting team_notify_peers() and team_mcast_rejoin() in
team_port_disable().

Reported-by: Liang Li <liali@redhat.com>
Fixes: fc423ff00d ("team: add peer notification")
Fixes: 492b200efd ("team: add support for sending multicast rejoins")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hangbin Liu 2018-11-22 16:15:28 +08:00 committed by David S. Miller
parent 18ba58e1c2
commit 5ed9dc9910
1 changed files with 0 additions and 2 deletions
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2
drivers/net/team/team.c
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@ -985,8 +985,6 @@ static void team_port_disable(struct team *team,
team->en_port_count--;
team_queue_override_port_del(team, port);
team_adjust_ops(team);
team_notify_peers(team);
team_mcast_rejoin(team);
team_lower_state_changed(port);
}