[PATCH v2 0/3] bugfix about KEEP CRC offload

[Stephen Hemminger]

On Thu, 18 Jul 2024 19:48:02 +0800
Jie Hai <haijie1 at huawei.com> wrote:

> From: Dengdui Huang <huangdengdui at huawei.com>
> 
> For hns3 NIC, when KEEP_CRC offload is enabled, the CRC data is still be stripped in rare scenarios.
> Some users of hns3 are already using this feature. So driver has to recaculate packet CRC.
> 
> In addition, in the mbuf, the data that exceeds the length specified by pkt_len is invalid.
> Therefore, if the packet contains CRC data, pkt_len should contain the CRC data length.
> However, almost of drivers supported KEEP CRC feature didn't add the CRC data length to pkt_len.
> This patch adds description for KEEP CRC offload.
> 
> Dengdui Huang (3):
>   ethdev: add description for KEEP CRC offload
>   net/hns3: fix packet length do not contain CRC data length
>   net/hns3: fix Rx packet without CRC data
> 
>  drivers/net/hns3/hns3_ethdev.c        |   5 +
>  drivers/net/hns3/hns3_ethdev.h        |  23 +++++
>  drivers/net/hns3/hns3_rxtx.c          | 134 ++++++++++++++++----------
>  drivers/net/hns3/hns3_rxtx.h          |   3 +
>  drivers/net/hns3/hns3_rxtx_vec.c      |   3 +-
>  drivers/net/hns3/hns3_rxtx_vec_neon.h |  19 ----
>  drivers/net/hns3/hns3_rxtx_vec_sve.c  |   3 +-
>  lib/ethdev/rte_ethdev.h               |   6 ++
>  8 files changed, 124 insertions(+), 72 deletions(-)
> 
> -- 

Reworded some of the commit message to improve readability.

Applied to next-net.