wlan: Fix txqueuelen to improve packet loss in UDP traffic

txqueuelen is set to 100 currently for wlan0 interface, changing
this lengh to default kernel provided length to improve the packet
loss to UDP traffic in general.

Change-Id: I95a4c7574e2eea88ec00e0db7298185df8181a24
CRs-Fixed: 571986
diff --git a/CORE/HDD/inc/wlan_hdd_main.h b/CORE/HDD/inc/wlan_hdd_main.h
index 8da01dc..f90e38f 100644
--- a/CORE/HDD/inc/wlan_hdd_main.h
+++ b/CORE/HDD/inc/wlan_hdd_main.h
@@ -83,8 +83,6 @@
 #define LIBRA_CARD_REMOVE_DETECT_MAX_COUNT      5
 /** Number of Tx Queues */  
 #define NUM_TX_QUEUES 4
-/** Queue length specified to OS in the net_device */
-#define NET_DEV_TX_QUEUE_LEN 100
 /** HDD's internal Tx Queue Length. Needs to be a power of 2 */
 #define HDD_TX_QUEUE_MAX_LEN 128
 /** HDD internal Tx Queue Low Watermark. Net Device TX queue is disabled
diff --git a/CORE/HDD/src/wlan_hdd_hostapd.c b/CORE/HDD/src/wlan_hdd_hostapd.c
index 0375432..70949c6 100644
--- a/CORE/HDD/src/wlan_hdd_hostapd.c
+++ b/CORE/HDD/src/wlan_hdd_hostapd.c
@@ -3210,7 +3210,6 @@
 
         hdd_set_ap_ops( pHostapdAdapter->dev );
 
-        pWlanHostapdDev->tx_queue_len = NET_DEV_TX_QUEUE_LEN;
         pWlanHostapdDev->watchdog_timeo = HDD_TX_TIMEOUT;
         pWlanHostapdDev->mtu = HDD_DEFAULT_MTU;
     
diff --git a/CORE/HDD/src/wlan_hdd_main.c b/CORE/HDD/src/wlan_hdd_main.c
index aab14e1..4845058 100644
--- a/CORE/HDD/src/wlan_hdd_main.c
+++ b/CORE/HDD/src/wlan_hdd_main.c
@@ -5054,7 +5054,6 @@
 void hdd_set_station_ops( struct net_device *pWlanDev )
 {
 #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,29))
-      pWlanDev->tx_queue_len = NET_DEV_TX_QUEUE_LEN,
       pWlanDev->netdev_ops = &wlan_drv_ops;
 #else
       pWlanDev->open = hdd_open;
@@ -5064,7 +5063,6 @@
       pWlanDev->tx_timeout = hdd_tx_timeout;
       pWlanDev->get_stats = hdd_stats;
       pWlanDev->do_ioctl = hdd_ioctl;
-      pWlanDev->tx_queue_len = NET_DEV_TX_QUEUE_LEN;
       pWlanDev->set_mac_address = hdd_set_mac_address;
 #endif
 }