diff options
| author | Amir Vadai <amirv@mellanox.com> | 2013-04-23 08:06:51 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-24 22:30:14 +0200 |
| commit | b6c39bfcf1d7d6368b8c00081cc8e941041ff478 (patch) | |
| tree | d30c1ecc0f3f625de964fd92a2030df556cdf017 /drivers/net/ethernet/mellanox/mlx4/en_netdev.c | |
| parent | net/mlx4_en: Support software timestamping (diff) | |
| download | linux-b6c39bfcf1d7d6368b8c00081cc8e941041ff478.tar.xz linux-b6c39bfcf1d7d6368b8c00081cc8e941041ff478.zip | |
net/mlx4_en: Add a service task
Add a service task to run tasks that needed to be executed periodically.
Currently the only task is a watchdog to catch NIC clock overflow, to make
timestamping accurate.
Will move the statistics task into this framework in a later patch.
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_netdev.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 4cb9f3203973..f4f88b846020 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -1361,6 +1361,26 @@ static void mlx4_en_do_get_stats(struct work_struct *work) mutex_unlock(&mdev->state_lock); } +/* mlx4_en_service_task - Run service task for tasks that needed to be done + * periodically + */ +static void mlx4_en_service_task(struct work_struct *work) +{ + struct delayed_work *delay = to_delayed_work(work); + struct mlx4_en_priv *priv = container_of(delay, struct mlx4_en_priv, + service_task); + struct mlx4_en_dev *mdev = priv->mdev; + + mutex_lock(&mdev->state_lock); + if (mdev->device_up) { + mlx4_en_ptp_overflow_check(mdev); + + queue_delayed_work(mdev->workqueue, &priv->service_task, + SERVICE_TASK_DELAY); + } + mutex_unlock(&mdev->state_lock); +} + static void mlx4_en_linkstate(struct work_struct *work) { struct mlx4_en_priv *priv = container_of(work, struct mlx4_en_priv, @@ -1865,6 +1885,7 @@ void mlx4_en_destroy_netdev(struct net_device *dev) mlx4_free_hwq_res(mdev->dev, &priv->res, MLX4_EN_PAGE_SIZE); cancel_delayed_work(&priv->stats_task); + cancel_delayed_work(&priv->service_task); /* flush any pending task for this netdev */ flush_workqueue(mdev->workqueue); @@ -2084,6 +2105,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, INIT_WORK(&priv->watchdog_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); #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { if (mdev->dev->caps.flags & MLX4_DEV_CAP_FLAG_SET_ETH_SCHED) { @@ -2206,6 +2228,8 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, } mlx4_en_set_default_moderation(priv); queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY); + queue_delayed_work(mdev->workqueue, &priv->service_task, + SERVICE_TASK_DELAY); return 0; out: |