netdev - Re: [PATCH iwl-next v2] ice: Reset VF on Tx MDD event

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Message-ID: <20231104153331.GJ891380@kernel.org>
Date: Sat, 4 Nov 2023 11:33:31 -0400
From: Simon Horman <horms@...nel.org>
To: Pawel Chmielewski <pawel.chmielewski@...el.com>
Cc: intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
	pmenzel@...gen.mpg.de, lukasz.czapnik@...el.com,
	Liang-Min Wang <liang-min.wang@...el.com>,
	Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>
Subject: Re: [PATCH iwl-next v2] ice: Reset VF on Tx MDD event

On Thu, Nov 02, 2023 at 04:51:49PM +0100, Pawel Chmielewski wrote:
> From: Liang-Min Wang <liang-min.wang@...el.com>
> 
> In cases when VF sends malformed packets that are classified as malicious,
> sometimes it causes Tx queue to freeze. This frozen queue can be stuck
> for several minutes being unusable. This behavior can be reproduced with
> DPDK application, testpmd.
> 
> When Malicious Driver Detection event occurs, perform graceful VF reset
> to quickly bring VF back to operational state. Add a log message to
> notify about the cause of the reset.
> 
> Signed-off-by: Liang-Min Wang <liang-min.wang@...el.com>
> Signed-off-by: Pawel Chmielewski <pawel.chmielewski@...el.com>
> Reviewed-by: Michal Swiatkowski <michal.swiatkowski@...ux.intel.com>

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