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bonding: Turn on IFF_UNICAST_FLT on bond devices 

Bonding devices manage the unicast filters of the underlying
interfaces, but do not turn on IFF_UNICAST_FLT flag.  Thus
anytime a unicast address is added to the bond, the bond is
places in promiscuous mode.

Turn on IFF_UNICAST_FLT on the bond device so that the bond does
not go into promiscuous mode needlesly.  If an underlying device
does not support unicast filtering, that device will automaticall
enter promiscuous mode already.

Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Vlad Yasevich 2014-06-04 16:23:36 -04:00 committed by David S. Miller
parent f830b0223c
commit c565b488c6
1 changed files with 1 additions and 1 deletions
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2
drivers/net/bonding/bond_main.c
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@ -3945,7 +3945,7 @@ void bond_setup(struct net_device *bond_dev)
/* Initialize the device options */
bond_dev->tx_queue_len = 0;
bond_dev->flags |= IFF_MASTER|IFF_MULTICAST;
bond_dev->priv_flags |= IFF_BONDING;
bond_dev->priv_flags |= IFF_BONDING | IFF_UNICAST_FLT;
bond_dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
/* At first, we block adding VLANs. That's the only way to