From: Vitaliy Makkoveev <otto@bsdbox.dev>
Subject: Re: pf inpcb link mutex
To: Alexandr Nedvedicky <sashan@fastmail.net>
Cc: Alexander Bluhm <alexander.bluhm@gmx.net>, tech@openbsd.org
Date: Mon, 1 Jan 2024 23:08:07 +0300

> On 1 Jan 2024, at 22:48, Alexandr Nedvedicky <sashan@fastmail.net> wrote:
> 
>    I think for a long run we will need to introduce reference counting
>    for inp instances. so every packet/mbuf and state key will
>    get a reference. I think we will need similar mechanism to
>    what we have for state keys in pf(4) now.

We already have inp_refcnt.