On 9/7/2021 11:49 AM, Mohsin Kazmi wrote:

Preparation of the headers for the hardware offload
misses the outer IPv4 checksum offload.
It results in bad checksum computed by hardware NIC.

This patch fixes the issue by setting the outer IPv4
checksum field to 0.

Fixes: 4fb7e803eb1a ("ethdev: add Tx preparation")
Cc: stable@dpdk.org

Signed-off-by: Mohsin Kazmi <redacted>
Acked-by: Qi Zhang <redacted>
Acked-by: Olivier Matz <redacted>

Applied to dpdk-next-net/main, thanks.

Patch title updated as following while merging:
net: fix checksum offload for outer IPv4