| Date | Mon, 25 Mar 2013 01:05:34 +0000 | From | Ben Hutchings <> | Subject | [ 010/104] macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode. |
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3.2-stable review patch. If anyone has any objections, please let me know.
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From: Vlad Yasevich <vyasevic@redhat.com>
[ Upstream commit 87ab7f6f2874f1115817e394a7ed2dea1c72549e ]
Macvlan already supports hw address filters. Set the IFF_UNICAST_FLT so that it doesn't needlesly enter PROMISC mode when macvlans are stacked.
Signed-of-by: Vlad Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> --- drivers/net/macvlan.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -585,6 +585,7 @@ void macvlan_common_setup(struct net_dev ether_setup(dev); dev->priv_flags &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING); + dev->priv_flags |= IFF_UNICAST_FLT; dev->netdev_ops = &macvlan_netdev_ops; dev->destructor = free_netdev; dev->header_ops = &macvlan_hard_header_ops,
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