[PATCH v2] net/iavf: fix mismatch between rx_pkt_burst and RX descriptor

[Zhang, Qi Z]

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

Acked-by: Qi Zhang <qi.z.zhang at intel.com>

Applied to dpdk-next-net-intel.

Thanks
Qi