[patch] Support radix tables and table lookup for MAC addresses

From: Arseny Smalyuk <smalukav_at_gmail.com>
Date: Sat, 30 Apr 2022 18:11:43 UTC
Hi!

I've made yet another attempt to implement ipfw radix tables for MAC 
addresses. If you need to check a packet against a lot of MAC addresses 
and have performance issues, it can help you.

See the patch at https://reviews.freebsd.org/D35103