diff options
| author | Sudheer Mogilappagari <sudheer.mogilappagari@intel.com> | 2018-08-09 06:29:53 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2018-08-28 10:58:42 -0700 |
| commit | b3969fd727aa1f2ace4794f2a180f9769128027c (patch) | |
| tree | 61c9c4189f2773958fc0dbf53fbd195c8d7b2808 /drivers/net/ethernet/intel/ice/ice_txrx.h | |
| parent | f80eaa42107638684014f1f7c9d7bedda2b5e355 (diff) | |
ice: Add support for Tx hang, Tx timeout and malicious driver detection
When a malicious operation is detected, the firmware triggers an
interrupt, which is then picked up by the service task (specifically by
ice_handle_mdd_event). A reset is scheduled if required.
Tx hang detection works in a similar way, except the logic here monitors
the VSI's Tx queues and tries to revive them if stalled. If the hang is
not resolved, the kernel eventually calls ndo_tx_timeout, which is
handled by ice_tx_timeout.
Signed-off-by: Sudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_txrx.h')
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_txrx.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_txrx.h b/drivers/net/ethernet/intel/ice/ice_txrx.h index 31bc998fe200..839fd9ff6043 100644 --- a/drivers/net/ethernet/intel/ice/ice_txrx.h +++ b/drivers/net/ethernet/intel/ice/ice_txrx.h @@ -71,6 +71,7 @@ struct ice_txq_stats { u64 restart_q; u64 tx_busy; u64 tx_linearize; + int prev_pkt; /* negative if no pending Tx descriptors */ }; struct ice_rxq_stats { |