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-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c20
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/mlx4_en.h7
2 files changed, 19 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 106513f772c3..1a2b0bd64aa9 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -1378,8 +1378,10 @@ static void mlx4_en_tx_timeout(struct net_device *dev, unsigned int txqueue)
tx_ring->cons, tx_ring->prod);
priv->port_stats.tx_timeout++;
- en_dbg(DRV, priv, "Scheduling watchdog\n");
- queue_work(mdev->workqueue, &priv->watchdog_task);
+ if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state)) {
+ en_dbg(DRV, priv, "Scheduling port restart\n");
+ queue_work(mdev->workqueue, &priv->restart_task);
+ }
}
@@ -1829,6 +1831,7 @@ int mlx4_en_start_port(struct net_device *dev)
local_bh_enable();
}
+ clear_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state);
netif_tx_start_all_queues(dev);
netif_device_attach(dev);
@@ -1999,7 +2002,7 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)
static void mlx4_en_restart(struct work_struct *work)
{
struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv,
- watchdog_task);
+ restart_task);
struct mlx4_en_dev *mdev = priv->mdev;
struct net_device *dev = priv->dev;
@@ -2377,7 +2380,7 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
if (netif_running(dev)) {
mutex_lock(&mdev->state_lock);
if (!mdev->device_up) {
- /* NIC is probably restarting - let watchdog task reset
+ /* NIC is probably restarting - let restart task reset
* the port */
en_dbg(DRV, priv, "Change MTU called with card down!?\n");
} else {
@@ -2386,7 +2389,9 @@ static int mlx4_en_change_mtu(struct net_device *dev, int new_mtu)
if (err) {
en_err(priv, "Failed restarting port:%d\n",
priv->port);
- queue_work(mdev->workqueue, &priv->watchdog_task);
+ if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING,
+ &priv->state))
+ queue_work(mdev->workqueue, &priv->restart_task);
}
}
mutex_unlock(&mdev->state_lock);
@@ -2792,7 +2797,8 @@ static int mlx4_xdp_set(struct net_device *dev, struct bpf_prog *prog)
if (err) {
en_err(priv, "Failed starting port %d for XDP change\n",
priv->port);
- queue_work(mdev->workqueue, &priv->watchdog_task);
+ if (!test_and_set_bit(MLX4_EN_STATE_FLAG_RESTARTING, &priv->state))
+ queue_work(mdev->workqueue, &priv->restart_task);
}
}
@@ -3165,7 +3171,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
priv->counter_index = MLX4_SINK_COUNTER_INDEX(mdev->dev);
spin_lock_init(&priv->stats_lock);
INIT_WORK(&priv->rx_mode_task, mlx4_en_do_set_rx_mode);
- INIT_WORK(&priv->watchdog_task, mlx4_en_restart);
+ INIT_WORK(&priv->restart_task, mlx4_en_restart);
INIT_WORK(&priv->linkstate_task, mlx4_en_linkstate);
INIT_DELAYED_WORK(&priv->stats_task, mlx4_en_do_get_stats);
INIT_DELAYED_WORK(&priv->service_task, mlx4_en_service_task);
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index a46efe37cfa9..fd9535bde1b8 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -530,6 +530,10 @@ struct mlx4_en_stats_bitmap {
struct mutex mutex; /* for mutual access to stats bitmap */
};
+enum {
+ MLX4_EN_STATE_FLAG_RESTARTING,
+};
+
struct mlx4_en_priv {
struct mlx4_en_dev *mdev;
struct mlx4_en_port_profile *prof;
@@ -595,7 +599,7 @@ struct mlx4_en_priv {
struct mlx4_en_cq *rx_cq[MAX_RX_RINGS];
struct mlx4_qp drop_qp;
struct work_struct rx_mode_task;
- struct work_struct watchdog_task;
+ struct work_struct restart_task;
struct work_struct linkstate_task;
struct delayed_work stats_task;
struct delayed_work service_task;
@@ -641,6 +645,7 @@ struct mlx4_en_priv {
u32 pflags;
u8 rss_key[MLX4_EN_RSS_KEY_SIZE];
u8 rss_hash_fn;
+ unsigned long state;
};
enum mlx4_en_wol {