netfilter: add API to manage NAT helpers.

The API allows a conntrack helper to indicate its corresponding
NAT helper which then can be loaded and reference counted.

Signed-off-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Flavio Leitner 2019-04-17 11:46:15 -03:00 • committed by Pablo Neira Ayuso
commit 08010a2160
8 changed files with 161 additions and 37 deletions