patches for DPDK stable branches
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From: "Zhang, Qi Z" <qi.z.zhang@intel.com>
To: "Zhang, Qi Z" <qi.z.zhang@intel.com>,
	"Zhou, YidingX" <yidingx.zhou@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Wu, Jingjing" <jingjing.wu@intel.com>,
	"Xing, Beilei" <beilei.xing@intel.com>
Cc: "Yang, Qiming" <qiming.yang@intel.com>,
	"stable@dpdk.org" <stable@dpdk.org>,
	"Yeleswarapu, Ramamani" <ramamani.yeleswarapu@intel.com>
Subject: RE: [PATCH v2] net/iavf: fix mismatch between rx_pkt_burst and RX descriptor
Date: Wed, 11 May 2022 00:04:25 +0000
Message-ID: <aafd80486409449187289f202430d14f@intel.com> (raw)
In-Reply-To: <16094f5ab1604c06bcf7ad322a649ebc@intel.com>



> -----Original Message-----
> From: Zhang, Qi Z <qi.z.zhang@intel.com>
> Sent: Monday, May 9, 2022 10:05 AM
> To: Zhou, YidingX <yidingx.zhou@intel.com>; dev@dpdk.org; Wu, Jingjing
> <jingjing.wu@intel.com>; Xing, Beilei <beilei.xing@intel.com>
> Cc: Yang, Qiming <qiming.yang@intel.com>; stable@dpdk.org; Yeleswarapu,
> Ramamani <ramamani.yeleswarapu@intel.com>
> Subject: RE: [PATCH v2] net/iavf: fix mismatch between rx_pkt_burst and RX
> descriptor
> 
> 
> 
> > -----Original Message-----
> > From: Zhou, YidingX <yidingx.zhou@intel.com>
> > Sent: Sunday, May 8, 2022 3:53 AM
> > To: dev@dpdk.org; Wu, Jingjing <jingjing.wu@intel.com>; Xing, Beilei
> > <beilei.xing@intel.com>
> > Cc: Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> > <qi.z.zhang@intel.com>; stable@dpdk.org; Yeleswarapu, Ramamani
> > <ramamani.yeleswarapu@intel.com>
> > Subject: [PATCH v2] net/iavf: fix mismatch between rx_pkt_burst and RX
> > descriptor

Refined the title to " fix wrong data path selection which cause segment fault" 
In dpdk-next-net-intel to make it clear what it is going to fix.

> >
> > Some kernel drivers return the capability
> > VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC when IAVF_RXDID_COMMS_OVS_1
> is not
> > supported. This causes PMD to use rx_pkt_burst that handles the Flex
> > Receive Descriptor format, but actually configures the RXDID into
> > IAVF_RXDID_LEGACY_1, then the fields of rte_mbuf Will be filled with
> > wrong values in rx_pkt_burst, which will eventually lead to coredump.
> >
> > This patch fixes mismatch between rx_pkt_burst and rx descriptor.
> >
> > Fixes: 12b435bf8f2f ("net/iavf: support flex desc metadata
> > extraction")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Yiding Zhou <yidingx.zhou@intel.com>
> 
> Acked-by: Qi Zhang <qi.z.zhang@intel.com>
> 
> Applied to dpdk-next-net-intel.
> 
> Thanks
> Qi

  reply	other threads:[~2022-05-11  0:04 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-07  9:36 [PATCH] " Yiding Zhou
2022-05-07 16:15 ` [PATCH v2] " Yiding Zhou
2022-05-07 19:52 ` Yiding Zhou
2022-05-09  2:05   ` Zhang, Qi Z
2022-05-11  0:04     ` Zhang, Qi Z [this message]
2022-05-17  0:57       ` Zhang, Qi Z
2022-05-07 16:11 Yiding Zhou

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