net: mv643xx_eth: Drop the NETDEV_TX_BUSY return path
authorEzequiel Garcia <ezequiel.garcia@free-electrons.com>
Fri, 30 May 2014 16:40:10 +0000 (13:40 -0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 2 Jun 2014 23:16:06 +0000 (16:16 -0700)
After adding proper stop/wake thresholds, we can expect a queue to never
be full and drop the NETDEV_TX_BUSY return path. In any case, if the queue
cannot accommodate a TSO packet, the packet would be discarded.

Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/marvell/mv643xx_eth.c

index 2cea86d11a6e26b80a36620ba5954c6ef5da5685..88afbe0435d745973ba121c921132d1e42bdeb6f 100644 (file)
@@ -996,8 +996,6 @@ static netdev_tx_t mv643xx_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 
                if (txq->tx_desc_count >= txq->tx_stop_threshold)
                        netif_tx_stop_queue(nq);
-       } else if (ret == -EBUSY) {
-               return NETDEV_TX_BUSY;
        } else {
                txq->tx_dropped++;
                dev_kfree_skb_any(skb);