Re: [PATCH 6.12.y] net: libwx: fix Tx L4 checksum

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: c7d82913d5f9e97860772ee4051eaa66b56a6273

WARNING: Author mismatch between patch and upstream commit:
Backport author: jetlan9@163.com
Commit author: Jiawen Wu<jiawenwu@trustnetic.com>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)

Note: The patch differs from the upstream commit:
---
1:  c7d82913d5f9e ! 1:  378a713847ffc net: libwx: fix Tx L4 checksum
    @@ Metadata
      ## Commit message ##
         net: libwx: fix Tx L4 checksum
     
    +    [ Upstream commit c7d82913d5f9e97860772ee4051eaa66b56a6273 ]
    +
         The hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol.
         There was a bug to set Tx checksum flag for the other protocol that results
         in Tx ring hang. Fix to compute software checksum for these packets.
    @@ Commit message
         Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
         Link: https://patch.msgid.link/20250324103235.823096-2-jiawenwu@trustnetic.com
         Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    +    Signed-off-by: Wenshan Lan <jetlan9@163.com>
     
      ## drivers/net/ethernet/wangxun/libwx/wx_lib.c ##
     @@ drivers/net/ethernet/wangxun/libwx/wx_lib.c: static void wx_tx_csum(struct wx_ring *tx_ring, struct wx_tx_buffer *first,
---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| stable/linux-6.12.y       |  Success    |  Success   |