From 1e5c3d218ac19d5a5e9b3a8f09777c2b555b2499 Mon Sep 17 00:00:00 2001
From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Thu, 12 Feb 2009 18:17:21 +0000
Subject: [PATCH] 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>
---
drivers/net/igb/igb_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 53e580bdfe29..86782f9218a7 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -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;
--
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