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authorYevgeny Petrilin <yevgenyp@mellanox.co.il>2009-06-21 02:15:52 +0400
committerDavid S. Miller <davem@davemloft.net>2009-06-22 06:18:05 +0400
commit3c05f5ef7c09291e51ae327e854bf43cb8e55a55 (patch)
tree0751a4e0e7834f0d3cffbaf8d9cda7ff731db18f /drivers/net/mlx4
parenta11faac79fdbf771ed1ab310f6ef44b389423fe7 (diff)
downloadlinux-3c05f5ef7c09291e51ae327e854bf43cb8e55a55.tar.xz
mlx4_en: Cancel port_up check in transmit function
When closing the port, we stop all transmit queues under the transmit lock. It ensures that we will not attempt to transmit new packets after the physical port was closed. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/mlx4')
-rw-r--r--drivers/net/mlx4/en_netdev.c4
-rw-r--r--drivers/net/mlx4/en_tx.c7
2 files changed, 2 insertions, 9 deletions
diff --git a/drivers/net/mlx4/en_netdev.c b/drivers/net/mlx4/en_netdev.c
index 20a34cb6392e..03a557cc3b7a 100644
--- a/drivers/net/mlx4/en_netdev.c
+++ b/drivers/net/mlx4/en_netdev.c
@@ -700,14 +700,14 @@ void mlx4_en_stop_port(struct net_device *dev)
en_dbg(DRV, priv, "stop port called while port already down\n");
return;
}
- netif_tx_stop_all_queues(dev);
/* Synchronize with tx routine */
netif_tx_lock_bh(dev);
- priv->port_up = false;
+ netif_tx_stop_all_queues(dev);
netif_tx_unlock_bh(dev);
/* close port*/
+ priv->port_up = false;
mlx4_CLOSE_PORT(mdev->dev, priv->port);
/* Unregister Mac address for the port */
diff --git a/drivers/net/mlx4/en_tx.c b/drivers/net/mlx4/en_tx.c
index e63132361a94..99a6a36dc27b 100644
--- a/drivers/net/mlx4/en_tx.c
+++ b/drivers/net/mlx4/en_tx.c
@@ -646,13 +646,6 @@ int mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_BUSY;
}
- /* Now that we know what Tx ring to use */
- if (unlikely(!priv->port_up)) {
- if (netif_msg_tx_err(priv))
- en_warn(priv, "xmit: port down!\n");
- goto tx_drop;
- }
-
/* Track current inflight packets for performance analysis */
AVG_PERF_COUNTER(priv->pstats.inflight_avg,
(u32) (ring->prod - ring->cons - 1));