ice: update malicious driver detection event handling

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Update the PF VFs MDD event message to rate limit once per second and
report the total number Rx|Tx event count. Add support to print pending
MDD events that occur during the rate limit. The use of net_ratelimit did
not allow for per VF Rx|Tx granularity.

Additional PF MDD log messages are guarded by netif_msg_[rx|tx]_err().

Since VF RX MDD events disable the queue, add ethtool private flag
mdd-auto-reset-vf to configure VF reset to re-enable the queue.

Disable anti-spoof detection interrupt to prevent spurious events
during a function reset.

To avoid race condition do not make PF MDD register reads conditional
on global MDD result.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

...

This commit is contained in:

Paul Greenwalt 2020-02-13 13:31:16 -08:00 • committed by Jeff Kirsher

parent a29a912d44

commit 9d5c5a5290

6 changed files with 150 additions and 59 deletions

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4

drivers/net/ethernet/intel/ice/ice.h

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1

drivers/net/ethernet/intel/ice/ice_ethtool.c

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2

drivers/net/ethernet/intel/ice/ice_hw_autogen.h

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128

drivers/net/ethernet/intel/ice/ice_main.c

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56

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.c

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20

drivers/net/ethernet/intel/ice/ice_virtchnl_pf.h

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