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>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/wimax/i2400m/netdev.c b/drivers/net/wimax/i2400m/netdev.c
index fc3754acc73f..7d7b5ef0531c 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,
 };