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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>
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