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net/mlx4_en: Add prints when TX timeout occurs 

Print a warning when a TX timeout is detected

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yevgeny Petrilin 2013-06-25 12:09:34 +03:00 committed by David S. Miller
parent 0cc5c8bf11
commit b944ebec78
1 changed files with 9 additions and 0 deletions
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9
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -1236,10 +1236,19 @@ static void mlx4_en_tx_timeout(struct net_device *dev)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
int i;
if (netif_msg_timer(priv))
en_warn(priv, "Tx timeout called on port:%d\n", priv->port);
for (i = 0; i < priv->tx_ring_num; i++) {
if (!netif_tx_queue_stopped(netdev_get_tx_queue(dev, i)))
continue;
en_warn(priv, "TX timeout on queue: %d, QP: 0x%x, CQ: 0x%x, Cons: 0x%x, Prod: 0x%x\n",
i, priv->tx_ring[i].qpn, priv->tx_ring[i].cqn,
priv->tx_ring[i].cons, priv->tx_ring[i].prod);
}
priv->port_stats.tx_timeout++;
en_dbg(DRV, priv, "Scheduling watchdog\n");
queue_work(mdev->workqueue, &priv->watchdog_task);