beceem: reduce transmit queue len

Reduce transmit queue length to avoid excess buffering
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

drivers/staging/bcm/Bcmnet.c

@@ -143,7 +143,8 @@ int register_networkdev(PMINI_ADAPTER Adapter)
 
         net->netdev_ops = &bcmNetDevOps;
 	net->ethtool_ops = &bcm_ethtool_ops;
-	net->mtu        = MTU_SIZE; /* 1400 Bytes */
+	net->mtu          = MTU_SIZE; /* 1400 Bytes */
+	net->tx_queue_len = TX_QLEN;
 
 	SET_NETDEV_DEV(net, &uintf->dev);
 	SET_NETDEV_DEVTYPE(net, &wimax_type);

drivers/staging/bcm/Macros.h

@@ -13,10 +13,9 @@
 #define MAX_DATA_PKTS 		200
 #define MAX_ETH_SIZE 		1536
 #define MAX_CNTL_PKT_SIZE 2048
-/* TIMER RELATED */
-#define JIFFIES_2_QUADPART()	(ULONG)(jiffies * 10000) // jiffies(1msec) to Quadpart(100nsec)
 
 #define MTU_SIZE 1400
+#define TX_QLEN  5
 
 #define MAC_ADDR_REGISTER 0xbf60d000