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team: team should sync the port's uc/mc addrs when add a port 

There is an issue when we use mavtap over team:
When we replug nic links from team0, the real nics's mc list will not
include the maddr for macvtap any more. then we can't receive pkts to
macvtap device, as they are filterred by mc list of nic.

In Bonding Driver, it syncs the uc/mc addrs in bond_enslave().

We will fix this issue on team by adding the port's uc/mc addrs sync in
team_port_add.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2016-03-30 10:58:39 +08:00 committed by David S. Miller
parent c3483384ee
commit cb41c997d4
1 changed files with 5 additions and 0 deletions
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5
drivers/net/team/team.c
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@ -1198,6 +1198,9 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
goto err_dev_open;
}
dev_uc_sync_multiple(port_dev, dev);
dev_mc_sync_multiple(port_dev, dev);
err = vlan_vids_add_by_dev(port_dev, dev);
if (err) {
netdev_err(dev, "Failed to add vlan ids to device %s\n",
@ -1261,6 +1264,8 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
vlan_vids_del_by_dev(port_dev, dev);
err_vids_add:
dev_uc_unsync(port_dev, dev);
dev_mc_unsync(port_dev, dev);
dev_close(port_dev);
err_dev_open: