netdev - Re: [iwl-next v3 1/4] ixgbe: add MDD support

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Message-ID: <20250218193619.GH1615191@kernel.org>
Date: Tue, 18 Feb 2025 19:36:19 +0000
From: Simon Horman <horms@...nel.org>
To: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	marcin.szycik@...ux.intel.com, jedrzej.jagielski@...el.com,
	przemyslaw.kitszel@...el.com, piotr.kwapulinski@...el.com,
	anthony.l.nguyen@...el.com, dawid.osuchowski@...el.com,
	pmenzel@...gen.mpg.de
Subject: Re: [iwl-next v3 1/4] ixgbe: add MDD support

On Mon, Feb 17, 2025 at 10:06:33AM +0100, Michal Swiatkowski wrote:
> From: Paul Greenwalt <paul.greenwalt@...el.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@...el.com>
> Reviewed-by: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
> Reviewed-by: Marcin Szycik <marcin.szycik@...ux.intel.com>
> Signed-off-by: Paul Greenwalt <paul.greenwalt@...el.com>
> Signed-off-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>

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