OpenBSD 4.7's pf is not backward compatible

[Chris Buechler]

On Wed, May 19, 2010 at 5:36 PM, Randal L. Schwartz
<merlyn at stonehenge.com> wrote:
>
> Now that OpenBSD 4.7 is out, I see that the pf has undergone a flag day.
>
> Are there people here actively working on incorporating this new release
> into FreeBSD?
>

4.5, yes.
http://svn.freebsd.org/viewvc/base/user/eri/pf45/head/

4.7, not at this moment (Ermal, Max, etc. can expand on that).

> Also, how different is the pf code in FreeBSD from upstream?  Is it just
> a matter of a good three-way merge to get it to work?
>

It's not easy, quite a bit different.