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| author |   Amir Vadai <amirv@mellanox.com> | 2013-04-23 06:06:51 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-04-24 16:30:14 -0400 |
| commit | b6c39bfcf1d7d6368b8c00081cc8e941041ff478 (patch) | |
| tree | d30c1ecc0f3f625de964fd92a2030df556cdf017 /drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | |
| parent | net/mlx4_en: Support software timestamping (diff) | |
| download | linux-dev-b6c39bfcf1d7d6368b8c00081cc8e941041ff478.tar.xz linux-dev-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 '')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/mlx4_en.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 85b0754ec8ac..b1d7657b2bf5 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -78,6 +78,7 @@ #define STAMP_SHIFT 31 #define STAMP_VAL 0x7fffffff #define STATS_DELAY (HZ / 4) +#define SERVICE_TASK_DELAY (HZ / 4) #define MAX_NUM_OF_FS_RULES 256 #define MLX4_EN_FILTER_HASH_SHIFT 4 @@ -355,6 +356,7 @@ struct mlx4_en_dev { struct cyclecounter cycles; struct timecounter clock; unsigned long last_overflow_check; + unsigned long overflow_period; }; @@ -519,6 +521,7 @@ struct mlx4_en_priv { struct work_struct watchdog_task; struct work_struct linkstate_task; struct delayed_work stats_task; + struct delayed_work service_task; struct mlx4_en_perf_stats pstats; struct mlx4_en_pkt_stats pkstats; struct mlx4_en_port_stats port_stats; @@ -645,6 +648,7 @@ void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv, #define MLX4_EN_NUM_SELF_TEST 5 void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf); u64 mlx4_en_mac_to_u64(u8 *addr); +void mlx4_en_ptp_overflow_check(struct mlx4_en_dev *mdev); /* * Functions for time stamping |