diff options
| author | Jakub Kicinski <kubakici@wp.pl> | 2014-03-15 18:55:00 +0400 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-03-28 17:54:01 +0400 |
| commit | 59c871c5f0540c974db85eaa77f518de26940c1f (patch) | |
| tree | 0dfcd92ddb191648b8cc2578ddade2e5dbdd7b92 /drivers/net/ethernet/intel/e1000e/e1000.h | |
| parent | 13c2884f155bc524c5e94482216030de480fea60 (diff) | |
| download | linux-59c871c5f0540c974db85eaa77f518de26940c1f.tar.xz | |
e1000e: add timeout for TX HW time stamping work
Hardware may fail to report time stamp e.g.:
- when hardware time stamping is not enabled
- when time stamp is requested shortly after ifup
Timeout time stamp reading work to prevent it from
scheduling itself indefinitely. Report timeout events
via system log and device stats.
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/e1000.h')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/e1000.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h index 5325e3e2154e..1471c5464a89 100644 --- a/drivers/net/ethernet/intel/e1000e/e1000.h +++ b/drivers/net/ethernet/intel/e1000e/e1000.h @@ -262,6 +262,7 @@ struct e1000_adapter { u32 tx_head_addr; u32 tx_fifo_size; u32 tx_dma_failed; + u32 tx_hwtstamp_timeouts; /* Rx */ bool (*clean_rx) (struct e1000_ring *ring, int *work_done, @@ -334,6 +335,7 @@ struct e1000_adapter { struct hwtstamp_config hwtstamp_config; struct delayed_work systim_overflow_work; struct sk_buff *tx_hwtstamp_skb; + unsigned long tx_hwtstamp_start; struct work_struct tx_hwtstamp_work; spinlock_t systim_lock; /* protects SYSTIML/H regsters */ struct cyclecounter cc; |