igb: only support SRRCTL_DROP_EN when using multiple queues
authorNick Nunley <nicholasx.d.nunley@intel.com>
Wed, 17 Feb 2010 01:03:38 +0000 (01:03 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 17 Feb 2010 21:21:35 +0000 (13:21 -0800)
commite6bdb6fefc590ad2fb5f79e1d1d3660afbc7c8ff
treede374c6ccde506f8311fdd43343debe967b5d97f
parentabe1c3638ccf8b68536afb52b111f6ad46d1cf71
igb: only support SRRCTL_DROP_EN when using multiple queues

The SRRCTL.DROP_EN bit should only be set when we are supporting
multiple queues. This bit is meant to prevent head of line blocking
and is unnecessary in the single queue case.

Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/igb/igb_main.c