diff options
| author | Jacob Keller <jacob.e.keller@intel.com> | 2017-05-03 10:28:58 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2017-05-31 03:09:14 -0700 |
| commit | 2955faca0403a4f6029d589f60ff44be09f24859 (patch) | |
| tree | b77b3e9b2a6e383d6c88b618f33fc947209e3909 /drivers/net/ethernet/intel/i40e/i40e.h | |
| parent | 69077577af5054da8c8adfb6c1ebb565c2f1f158 (diff) | |
i40e: add statistic indicating number of skipped Tx timestamps
The i40e driver can only handle one Tx timestamp request at a time.
This means it is possible for an application timestamp request to be
ignored.
There is no easy way for an administrator to determine if this occurred.
Add a new statistic which tracks this, tx_hwtstamp_skipped.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e.h')
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index cdde3cc28fb5..aa46ae016539 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -506,6 +506,7 @@ struct i40e_pf { struct mutex tmreg_lock; /* Used to protect the SYSTIME registers. */ u64 ptp_base_adj; u32 tx_hwtstamp_timeouts; + u32 tx_hwtstamp_skipped; u32 rx_hwtstamp_cleared; u32 latch_event_flags; spinlock_t ptp_rx_lock; /* Used to protect Rx timestamp registers. */ |