wimax/i2400m: increase tx queue length from 5 to 20 [v1]

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@intel.com>

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index fc3754acc73fbbeee4a92db955209431b4a14f8c..7d7b5ef0531c28b4e3e70a2facd6db3ad4f3ec86 100644 (file)
--- 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,
 };