netdev - [PATCH 1/11 RESEND] cxgb3 - Update rx coalescing length

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Message-ID: <20070822034905.9260.77225.stgit@speedy5>
Date:	Tue, 21 Aug 2007 20:49:05 -0700
From:	Divy Le Ray <divy@...lsio.com>
To:	jeff@...zik.org
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	swise@...ngridcomputing.com
Subject: [PATCH 1/11 RESEND] cxgb3 - Update rx coalescing length

From: Divy Le Ray <divy@...lsio.com>

Reduce Rx coalescing length to 12288
Large bursts from the adapter to the host create back pressure
on the chip. Reducing the burst size avoids the issue.

Signed-off-by: Divy Le Ray <divy@...lsio.com>
---

 drivers/net/cxgb3/common.h |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index c46c249..55922ed 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -104,7 +104,7 @@ enum {
 	PROTO_SRAM_LINES = 128, /* size of TP sram */
 };
 
-#define MAX_RX_COALESCING_LEN 16224U
+#define MAX_RX_COALESCING_LEN 12288U
 
 enum {
 	PAUSE_RX = 1 << 0,
-
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