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net: mv643xx_eth: Drop the NETDEV_TX_BUSY return path

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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>
This commit is contained in:
Ezequiel Garcia 2014-05-30 13:40:10 -03:00 • committed by David S. Miller
parent ee9e49561b
commit eee492ea35
1 changed files with 0 additions and 2 deletions
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2
drivers/net/ethernet/marvell/mv643xx_eth.c
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@ -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) if (txq->tx_desc_count >= txq->tx_stop_threshold)
netif_tx_stop_queue(nq); netif_tx_stop_queue(nq);
} else if (ret == -EBUSY) {
return NETDEV_TX_BUSY;
} else { } else {
txq->tx_dropped++; txq->tx_dropped++;
dev_kfree_skb_any(skb); dev_kfree_skb_any(skb);