netdev - [PATCH] macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.

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Date:	Thu,  7 Mar 2013 15:21:48 -0500
From:	Vlad Yasevich <vyasevic@...hat.com>
To:	netdev@...r.kernel.org
Cc:	Vlad Yasevich <vyasevic@...hat.com>
Subject: [PATCH] macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.

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@...hat.com>
---
 drivers/net/macvlan.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 417b2af..73abbc1 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -660,6 +660,7 @@ void macvlan_common_setup(struct net_device *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,
-- 
1.7.7.6

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