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authorEugenia Emantayev <eugenia@mellanox.com>2013-12-01 16:19:34 +0400
committerDavid S. Miller <davem@davemloft.net>2013-12-02 05:36:07 +0400
commit833846e8fa0c51fb3e47bca8adfdd7b10643b737 (patch)
treef75450c691d4c6a773d8502e286aac417cf2fbd1 /drivers
parent3868204d6b89ea373a273e760609cb08020beb1a (diff)
downloadlinux-833846e8fa0c51fb3e47bca8adfdd7b10643b737.tar.xz
net/mlx4_en: Remove selftest TX queues empty condition
Remove waiting for TX queues to become empty during selftest. This check is not necessary for any purpose, and might put the driver into an infinite loop. 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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_selftest.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
index 40626690e8a8..c11d063473e5 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_selftest.c
@@ -140,7 +140,6 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
{
struct mlx4_en_priv *priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = priv->mdev;
- struct mlx4_en_tx_ring *tx_ring;
int i, carrier_ok;
memset(buf, 0, sizeof(u64) * MLX4_EN_NUM_SELF_TEST);
@@ -150,16 +149,10 @@ void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf)
carrier_ok = netif_carrier_ok(dev);
netif_carrier_off(dev);
-retry_tx:
/* Wait until all tx queues are empty.
* there should not be any additional incoming traffic
* since we turned the carrier off */
msleep(200);
- for (i = 0; i < priv->tx_ring_num && carrier_ok; i++) {
- tx_ring = priv->tx_ring[i];
- if (tx_ring->prod != (tx_ring->cons + tx_ring->last_nr_txbb))
- goto retry_tx;
- }
if (priv->mdev->dev->caps.flags &
MLX4_DEV_CAP_FLAG_UC_LOOPBACK) {