[v3] net/cksum: compute raw cksum for several segments

[Stephen Hemminger]

On Sat, 2 Aug 2025 04:08:16 -0700
Su Sai <susai.ss at bytedance.com> wrote:

> The rte_raw_cksum_mbuf function is used to compute
> the raw checksum of a packet.
> If the packet payload stored in multi mbuf, the function
> will goto the hard case. In hard case,
> the variable 'tmp' is a type of uint32_t,
> so rte_bswap16 will drop high 16 bit.
> Meanwhile, the variable 'sum' is a type of uint32_t,
> so 'sum += tmp' will drop the carry when overflow.
> Both drop will make cksum incorrect.
> This commit fixes the above bug.
> 
> Signed-off-by: Su Sai <susai.ss at bytedance.com>
> ---

The patch is getting corrupted by your mail system and
does not apply cleanly. Fix and resubmit.

One option is to use an attachment