From: Hariprasad Shenai <hariprasad@chelsio.com>
Date: Tue, 14 Apr 2015 20:32:30 +0000 (+0530)
Subject: cxgb4: Increased the value of MAX_IMM_TX_PKT_LEN from 128 to 256 bytes
X-Git-Tag: v4.1-rc1~128^2~3^2~4
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=21dcfad6401b008e7352eb95104c7f199f025ac9;p=uclinux-h8%2Flinux.git

cxgb4: Increased the value of MAX_IMM_TX_PKT_LEN from 128 to 256 bytes

This allows a significant latency drop for packets of sizes between 128 and 192
bytes

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index e622214e2eca..900c642136a7 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -144,7 +144,7 @@
  * Max Tx descriptor space we allow for an Ethernet packet to be inlined
  * into a WR.
  */
-#define MAX_IMM_TX_PKT_LEN 128
+#define MAX_IMM_TX_PKT_LEN 256
 
 /*
  * Max size of a WR sent through a control Tx queue.