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Message-Id: <ded0fd62a8a7cb3b12bb007079bff2b858a12d2b.1273708027.git.inaky.perez-gonzalez@intel.com>
Date:	Fri, 14 May 2010 14:45:14 -0700
From:	Inaky Perez-Gonzalez <inaky@...ux.intel.com>
To:	netdev@...r.kernel.org, wimax@...uxwimax.org
Cc:	"Prasanna S. Panchamukhi" <prasannax.s.panchamukhi@...el.com>
Subject: [patch 2.6.35 15/25] wimax/i2400m: increase tx queue length from 5 to 20 [v1]

From: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com>

This patch increases the tx_queue_len to 20 so as to
minimize the jitter in the throughput.

Signed-off-by: Prasanna S. Panchamukhi <prasannax.s.panchamukhi@...el.com>
---
 drivers/net/wimax/i2400m/netdev.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index fc3754a..7d7b5ef 100644
--- a/drivers/net/wimax/i2400m/netdev.c
+++ b/drivers/net/wimax/i2400m/netdev.c
@@ -88,7 +88,11 @@ enum {
 	 * might take to get out of IDLE / negotiate it with the base
 	 * station. We add 1sec for good measure. */
 	I2400M_TX_TIMEOUT = 21 * HZ,
-	I2400M_TX_QLEN = 5,
+	/*
+	 * Experimentation has determined that, 20 to be a good value
+	 * for minimizing the jitter in the throughput.
+	 */
+	I2400M_TX_QLEN = 20,
 };
 
 
-- 
1.6.6.1

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