releases/3.8.4/macvlan-set-iff_unicast_flt-flag-to-prevent-unnecessary-promisc-mode.patch

   1 From 055ac17d92eee5e96bb207f2a4d7da92ac64a690 Mon Sep 17 00:00:00 2001
   2 From: Vlad Yasevich <vyasevic@redhat.com>
   3 Date: Thu, 7 Mar 2013 10:21:48 +0000
   4 Subject: macvlan: Set IFF_UNICAST_FLT flag to prevent unnecessary promisc mode.
   5
   6
   7 From: Vlad Yasevich <vyasevic@redhat.com>
   8
   9 [ Upstream commit 87ab7f6f2874f1115817e394a7ed2dea1c72549e ]
  10
  11 Macvlan already supports hw address filters.  Set the IFF_UNICAST_FLT
  12 so that it doesn't needlesly enter PROMISC mode when macvlans are
  13 stacked.
  14
  15 Signed-of-by: Vlad Yasevich <vyasevic@redhat.com>
  16 Signed-off-by: David S. Miller <davem@davemloft.net>
  17 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
  18 ---
  19  drivers/net/macvlan.c |    1 +
  20  1 file changed, 1 insertion(+)
  21
  22 --- a/drivers/net/macvlan.c
  23 +++ b/drivers/net/macvlan.c
  24 @@ -628,6 +628,7 @@ void macvlan_common_setup(struct net_dev
  25         ether_setup(dev);
  26
  27         dev->priv_flags        &= ~(IFF_XMIT_DST_RELEASE | IFF_TX_SKB_SHARING);
  28 +       dev->priv_flags        |= IFF_UNICAST_FLT;
  29         dev->netdev_ops         = &macvlan_netdev_ops;
  30         dev->destructor         = free_netdev;
  31         dev->header_ops         = &macvlan_hard_header_ops,