27 Sep
2025
27 Sep
'25
12:35 a.m.
On Fri, 26 Sep 2025 11:53:25 +0200 Jesper Dangaard Brouer wrote:
- In case of success, ``cksum_meta`` contains the hw computed checksum value
- for ``XDP_CHECKSUM_COMPLETE`` or the ``csum_level`` for
- ``XDP_CHECKSUM_UNNECESSARY``. It is set to 0 for ``XDP_CHECKSUM_NONE`` and
- ``XDP_CHECKSUM_PARTIAL``.
It is very important that we explain the meaning of XDP_CHECKSUM_NONE. As I hinted in other email, this also covers the non-existing FAIL case.
Good idea, perhaps we should add this to the big comment about checksums in skbuff.h and point to that? Avoid the duplication?