igb: reduce size required to trigger low latency

Update the Adaptive Interrupt Moderation algorithm so that the low latency
state is triggered less easily to prevent high interrupt loads.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2009-02-12 18:17:21 +00:00 committed by David S. Miller
parent 73cd78f1d3
commit 1e5c3d218a

View File

@ -2666,7 +2666,7 @@ static unsigned int igb_update_itr(struct igb_adapter *adapter, u16 itr_setting,
if (bytes > 25000) {
if (packets > 35)
retval = low_latency;
} else if (bytes < 6000) {
} else if (bytes < 1500) {
retval = low_latency;
}
break;