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author | Mitch Williams <mitch.a.williams@intel.com> | 2015-12-23 12:05:48 -0800 |
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committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2016-02-16 18:54:53 -0800 |
commit | 1d0a4ada8401c73b360fc8492064a1107fca019b (patch) | |
tree | 416c0a638082edc8018cf4f9a5722326579804dc /drivers/net/ethernet/intel/i40e/i40e_ethtool.c | |
parent | a3d772a3925d85721ad8518db14603fb1cd99295 (diff) | |
download | lwn-1d0a4ada8401c73b360fc8492064a1107fca019b.tar.gz lwn-1d0a4ada8401c73b360fc8492064a1107fca019b.zip |
i40e: add counter for arq overflows
Sometimes, ARQ overflows are a big deal and tell us that the
firmware/hardware/driver/something is having problems. But normally
they're no big deal. To assist in assessing this, add a counter to
our Ethtool stats. A handful of ARQ overflows during VF init is no
problem. A large, ever-growing number indicates that Something Bad is
happening.
Change-ID: Ie5348bfbc8a54a890559cb00279c28d976a55096
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/i40e/i40e_ethtool.c')
-rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 45495911c5a4..812c95493413 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -143,6 +143,7 @@ static struct i40e_stats i40e_gstrings_stats[] = { I40E_PF_STAT("rx_oversize", stats.rx_oversize), I40E_PF_STAT("rx_jabber", stats.rx_jabber), I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests), + I40E_PF_STAT("arq_overflows", arq_overflows), I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared), I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt), I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match), |