[PATCH 017/510] beceem: reduce transmit queue len

Greg Kroah-Hartman gregkh at suse.de
Mon Jan 10 20:35:41 UTC 2011


From: Stephen Hemminger <stephen.hemminger at vyatta.com>

Reduce transmit queue length to avoid excess buffering

Signed-off-by: Stephen Hemminger <shemminger at vyatta.com>
---
 drivers/staging/bcm/Bcmnet.c |    3 ++-
 drivers/staging/bcm/Macros.h |    3 +--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/bcm/Bcmnet.c b/drivers/staging/bcm/Bcmnet.c
index f054991..c77c1d1 100644
--- a/drivers/staging/bcm/Bcmnet.c
+++ b/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);
diff --git a/drivers/staging/bcm/Macros.h b/drivers/staging/bcm/Macros.h
index 3868e5b..338b61d 100644
--- a/drivers/staging/bcm/Macros.h
+++ b/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
 
-- 
1.7.3.2




More information about the devel mailing list