Re: [Intel-wired-lan] [iwl-next v3 1/4] ixgbe: add MDD support

[Simon Horman <horms@kernel.org>]

On Mon, Feb 17, 2025 at 10:06:33AM +0100, Michal Swiatkowski wrote:
> From: Paul Greenwalt <paul.greenwalt@intel.com>
> 
> Add malicious driver detection to ixgbe driver. The supported devices
> are E610 and X550.
> 
> Handling MDD events is enabled while VFs are created and turned off
> when they are disabled. here is no runtime command to enable or
> disable MDD independently.
> 
> MDD event is logged when malicious VF driver is detected. For example VF
> can try to send incorrect Tx descriptor (TSO on, but length field not
> correct). It can be reproduced by manipulating the driver, or using DPDK
> driver with incorrect descriptor values.
> 
> Example log:
> "Malicious event on VF 0 tx:128 rx:128"
> 
> Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
> Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
> Reviewed-by: Marcin Szycik <marcin.szycik@linux.intel.com>
> Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>

Reviewed-by: Simon Horman <horms@kernel.org>