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Merge branch 'mlx4-time-stamping-fixes'

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Or Gerlitz says:

====================
Mellanox mlx4 driver fixes

Two small fixes from Jenny for code flows that deal with time-stamping.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-12-18 14:48:04 -05:00
commit 6be842f7cc
3 changed files with 15 additions and 9 deletions
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7
drivers/net/ethernet/mellanox/mlx4/en_clock.c
View File

@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
unsigned long flags;
u64 ns, zero = 0;
/* mlx4_en_init_timestamp is called for each netdev.
* mdev->ptp_clock is common for all ports, skip initialization if
* was done for other port.
*/
if (mdev->ptp_clock)
return;
rwlock_init(&mdev->clock_lock);
memset(&mdev->cycles, 0, sizeof(mdev->cycles));

7
drivers/net/ethernet/mellanox/mlx4/en_main.c
View File

@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
if (mdev->pndev[i])
mlx4_en_destroy_netdev(mdev->pndev[i]);
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
mlx4_en_remove_timestamp(mdev);
flush_workqueue(mdev->workqueue);
destroy_workqueue(mdev->workqueue);
(void) mlx4_mr_free(dev, &mdev->mr);
@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
mdev->port_cnt++;
/* Initialize time stamp mechanism */
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
mlx4_en_init_timestamp(mdev);
/* Set default number of RX rings*/
mlx4_en_set_num_rx_rings(mdev);

10
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -2072,6 +2072,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
/* flush any pending task for this netdev */
flush_workqueue(mdev->workqueue);
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
mlx4_en_remove_timestamp(mdev);
/* Detach the netdev so tasks would not attempt to access it */
mutex_lock(&mdev->state_lock);
mdev->pndev[priv->port] = NULL;
@ -3058,9 +3061,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
}
queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
/* Initialize time stamp mechanism */
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
queue_delayed_work(mdev->workqueue, &priv->service_task,
SERVICE_TASK_DELAY);
mlx4_en_init_timestamp(mdev);
queue_delayed_work(mdev->workqueue, &priv->service_task,
SERVICE_TASK_DELAY);
mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap,
mdev->profile.prof[priv->port].rx_ppp,