From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Lu, Wenzhuo" <wenzhuo.lu@intel.com>,
"Richardson, Bruce" <bruce.richardson@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: "Wu, Jingjing" <jingjing.wu@intel.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: RE: [PATCH v2 2/4] net/iavf: fix buffer leak on Tx queue stop
Date: Mon, 4 Sep 2023 02:30:49 +0000 [thread overview]
Message-ID: <DM4PR11MB5994CE3F7E7D93F303A89EEAD7E9A@DM4PR11MB5994.namprd11.prod.outlook.com> (raw)
In-Reply-To: <SN7PR11MB749104372B1BDAFA92B296878CE9A@SN7PR11MB7491.namprd11.prod.outlook.com>
> -----Original Message-----
> From: Lu, Wenzhuo <wenzhuo.lu@intel.com>
> Sent: Monday, September 4, 2023 10:18 AM
> To: Richardson, Bruce <bruce.richardson@intel.com>; dev@dpdk.org
> Cc: Wu, Jingjing <jingjing.wu@intel.com>; stable@dpdk.org
> Subject: RE: [PATCH v2 2/4] net/iavf: fix buffer leak on Tx queue stop
>
>
>
> > -----Original Message-----
> > From: Richardson, Bruce <bruce.richardson@intel.com>
> > Sent: Thursday, August 31, 2023 8:34 PM
> > To: dev@dpdk.org
> > Cc: Richardson, Bruce <bruce.richardson@intel.com>; Lu, Wenzhuo
> > <wenzhuo.lu@intel.com>; Wu, Jingjing <jingjing.wu@intel.com>;
> > stable@dpdk.org
> > Subject: [PATCH v2 2/4] net/iavf: fix buffer leak on Tx queue stop
> >
> > When a queue is stopped all buffers are meant to released from it, and
> > then a new set of buffers reallocated on start. For the iavf code when
> > using vector Tx, some buffers were left in the ring, and so those
> > buffers were leaked. The buffers were missed as the release code only
> > handled one side of a wrap-around case in the ring.
> >
> > Fix the issue by doing a single iteration of the ring freeing all
> > buffers in it, handling wraparound through a simple post-increment check.
> >
> > Fixes: 319c421f3890 ("net/avf: enable SSE Rx Tx")
> > Fixes: 9ab9514c150e ("net/iavf: enable AVX512 for Tx")
> > Cc: wenzhuo.lu@intel.com
> > Cc: jingjing.wu@intel.com
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> Acked-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
next prev parent reply other threads:[~2023-09-04 2:31 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-30 15:59 [PATCH 0/4] Fix i40e/iavf queue reconfig and restarting Bruce Richardson
2023-08-30 15:59 ` [PATCH 1/4] net/i40e: fix buffer leak on Rx reconfiguration Bruce Richardson
2023-08-30 15:59 ` [PATCH 2/4] net/iavf: fix buffer leak on Tx queue stop Bruce Richardson
2023-08-30 15:59 ` [PATCH 3/4] net/iavf: fix restart of Rx queue on reconfigure Bruce Richardson
2023-08-30 15:59 ` [PATCH 4/4] net/iavf: add support for runtime queue reconfiguration Bruce Richardson
2023-08-31 12:33 ` [PATCH v2 0/4] Fix i40e/iavf queue reconfig and restarting Bruce Richardson
2023-08-31 12:33 ` [PATCH v2 1/4] net/i40e: fix buffer leak on Rx reconfiguration Bruce Richardson
2023-09-01 7:12 ` Zhang, Qi Z
2023-08-31 12:33 ` [PATCH v2 2/4] net/iavf: fix buffer leak on Tx queue stop Bruce Richardson
2023-09-04 2:17 ` Lu, Wenzhuo
2023-09-04 2:30 ` Zhang, Qi Z [this message]
2023-08-31 12:33 ` [PATCH v2 3/4] net/iavf: fix restart of Rx queue on reconfigure Bruce Richardson
2023-09-04 1:15 ` Zhang, Qi Z
2023-09-04 1:30 ` Zhang, Qi Z
2023-09-04 7:54 ` Bruce Richardson
2023-09-05 0:02 ` Zhang, Qi Z
2023-08-31 12:33 ` [PATCH v2 4/4] net/iavf: add support for runtime queue reconfiguration Bruce Richardson
2023-09-05 2:25 ` Zhang, Qi Z
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