diff options
| author | Anjali Singhai Jain <anjali.singhai@intel.com> | 2014-07-10 07:58:25 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2014-08-27 01:11:00 -0700 |
| commit | 810b3ae42f5a6d1ddb17bb20eb69046de08ab1ef (patch) | |
| tree | 90d543634f2b5f9e675d97e02aa0f1428f3e343a /drivers/net/ethernet/intel/i40e/i40e.h | |
| parent | 30650cc552cf9a60fa80a205693c6f76f7a00549 (diff) | |
i40e/i40evf: Ignore a driver perceived Tx hang if the number of desc pending < 4
We are seeing situations where the driver sees a hang with less than 4
desc pending, if the driver chooses to ignore it the queue progresses
forward and the stack never experiences a real hang.
With this patch we will log a stat when this situation happens
"tx_sluggish" will increment and we can see some more details
at a higher debug level. Other than that we will ignore this
particular case of Tx hang.
Change-ID: I7d1d1666d990e2b12f4f6bed0d17d22e1b6410d5
Signed-off-by: Anjali Singhai Jain <anjali.singhai@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 85269509f42..4e97ba1b04d 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -316,6 +316,7 @@ struct i40e_pf { u32 tx_timeout_count; u32 tx_timeout_recovery_level; unsigned long tx_timeout_last_recovery; + u32 tx_sluggish_count; u32 hw_csum_rx_error; u32 led_status; u16 corer_count; /* Core reset count */ |