netfilter: flowtable: detach layer 2 encapsulation parser from lookup

Move the layer 2 encapsulation header parser out of the lookup function
to prepare for IPv4 over IPv6 and SIT.

Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2026-08-06 23:54:06 +02:00
commit 0e42d4039c