Re: [PATCH nft] netlink: unfold function to generate concatenations for keys and data

[Pablo Neira Ayuso <pablo@netfilter.org>]

On Thu, Dec 08, 2022 at 02:32:17AM +0100, Pablo Neira Ayuso wrote:
> Add a specific function to generate concatenation with and without
> intervals in maps. This restores the original function added by
> 8ac2f3b2fca3 ("src: Add support for concatenated set ranges") which is
> used by 66746e7dedeb ("src: support for nat with interval
> concatenation") to generate the data concatenations in maps.
> 
> Only the set element key requires the byteswap introduced by 1017d323cafa
> ("src: support for selectors with different byteorder with interval
> concatenations"). Therefore, better not to reuse the same function for
> key and data as the future might bring support for more kind of
> concatenations in data maps.

This patch needs more work, netlink_gen_concat_key() is still called
for rhs element data in a mapping in this patch.

I'll post a v2.