]> asedeno.scripts.mit.edu Git - linux.git/commit
ice: Add support for Tx hang, Tx timeout and malicious driver detection
authorSudheer Mogilappagari <sudheer.mogilappagari@intel.com>
Thu, 9 Aug 2018 13:29:53 +0000 (06:29 -0700)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Tue, 28 Aug 2018 17:58:42 +0000 (10:58 -0700)
commitb3969fd727aa1f2ace4794f2a180f9769128027c
tree61c9c4189f2773958fc0dbf53fbd195c8d7b2808
parentf80eaa42107638684014f1f7c9d7bedda2b5e355
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>
drivers/net/ethernet/intel/ice/ice.h
drivers/net/ethernet/intel/ice/ice_hw_autogen.h
drivers/net/ethernet/intel/ice/ice_main.c
drivers/net/ethernet/intel/ice/ice_txrx.c
drivers/net/ethernet/intel/ice/ice_txrx.h