From: Mugunthan V N <mugunthanvnm@ti.com>
Date: Wed, 27 Mar 2013 04:42:00 +0000 (+0000)
Subject: drivers: net: ethernet: davinci_emac: use netif_wake_queue() while restarting tx... 
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=7e51cde276ca820d526c6c21cf8147df595a36bf;p=~shefty%2Frdma-dev.git

drivers: net: ethernet: davinci_emac: use netif_wake_queue() while restarting tx queue

To restart tx queue use netif_wake_queue() intead of netif_start_queue()
so that net schedule will restart transmission immediately which will
increase network performance while doing huge data transfers.

Reported-by: Dan Franke <dan.franke@schneider-electric.com>
Suggested-by: Sriramakrishnan A G <srk@ti.com>
Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index ae1b77aa199..72300bc9e37 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1053,7 +1053,7 @@ static void emac_tx_handler(void *token, int len, int status)
 	 * queue is stopped then start the queue as we have free desc for tx
 	 */
 	if (unlikely(netif_queue_stopped(ndev)))
-		netif_start_queue(ndev);
+		netif_wake_queue(ndev);
 	ndev->stats.tx_packets++;
 	ndev->stats.tx_bytes += len;
 	dev_kfree_skb_any(skb);