[PATCH v2] net/iavf: fix outer udp checksum offload

[Xu, Ke1]

> -----Original Message-----
> From: Zeng, ZhichaoX <zhichaox.zeng at intel.com>
> Sent: Tuesday, December 13, 2022 9:45 AM
> To: dev at dpdk.org
> Cc: Zhou, YidingX <yidingx.zhou at intel.com>; Xu, Ke1 <ke1.xu at intel.com>;
> Zhang, Qi Z <qi.z.zhang at intel.com>; Zeng, ZhichaoX
> <zhichaox.zeng at intel.com>; Wu, Jingjing <jingjing.wu at intel.com>; Xing,
> Beilei <beilei.xing at intel.com>; Nicolau, Radu <radu.nicolau at intel.com>
> Subject: [PATCH v2] net/iavf: fix outer udp checksum offload
> 
> Currently, when dealing with UDP tunnel pkts checksum offloading, the
> outer-udp checksum will be offloaded by default. So the 'csum set outer-udp
> hw/sw' command does not work.
> 
> This patch fixes judgment of the EIPT flag and enables the 'csum set outer-
> udp hw/sw' command by adding judgment for the outer-udp checksum
> offload flag.
> 
> Fixes: 0c550022fb82 ("net/iavf: fix Tx descriptors for IPsec")
> 
> Signed-off-by: Zhichao Zeng <zhichaox.zeng at intel.com>

Verified and passed.

Verified applying only outer IP checksum without outer UDP checksum. Outer UDP checksum will be errors as this feature is to ignore this checksum error. Inner checksum is not influenced. Outer IP checksum is not influenced.

Verified applying all checksum HW offload.

> ---
>  drivers/net/iavf/iavf_rxtx.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>