pf: add note about changes ported from OpenBSD after 4.5

The last comprehensive sync with OpenBSD's pf corresponds to
OpenBSD 4.5, but many changes have been ported over since then.

Reviewed by:	kp, gbe, Kajetan Staszkiewicz <vegeta@tuxpowered.net>
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D42002
This commit is contained in:
Ed Maste 2023-09-27 13:59:30 -04:00
parent 6a0e7f9088
commit 3e609fd481

View file

@ -1228,6 +1228,9 @@ and then
.Pp
This implementation is derived from
.Ox 4.5 .
A number of individual features, improvements, bug fixes and security fixes
have been ported from later versions of
.Ox .
It has been heavily modified to be capable of running in multithreaded
.Fx
kernel and scale its performance on multiple CPUs.