From nobody Fri Nov 19 20:16:37 2021
X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1])
	by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 67FA8189C8F7
	for <freebsd-net@mlmmj.nyi.freebsd.org>; Fri, 19 Nov 2021 20:16:54 +0000 (UTC)
	(envelope-from lutz@iks-jena.de)
Received: from annwfn.iks-jena.de (annwfn.iks-jena.de [IPv6:2001:4bd8::19])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(Client did not present a certificate)
	by mx1.freebsd.org (Postfix) with ESMTPS id 4Hwnxy0j3pz4rJv;
	Fri, 19 Nov 2021 20:16:53 +0000 (UTC)
	(envelope-from lutz@iks-jena.de)
X-SMTP-Sender: IPv6:2001:4bd8:0:666:248:54ff:fe12:ee3f
Received: from belenus.iks-jena.de (belenus.iks-jena.de [IPv6:2001:4bd8:0:666:248:54ff:fe12:ee3f])
	by annwfn.iks-jena.de (8.15.2/8.15.2) with ESMTPS id 1AJKGb40028972
	(version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT);
	Fri, 19 Nov 2021 21:16:38 +0100
X-MSA-Host: belenus.iks-jena.de
Received: (from lutz@localhost)
	by belenus.iks-jena.de (8.14.3/8.14.1/Submit) id 1AJKGbMd003384;
	Fri, 19 Nov 2021 21:16:37 +0100
Date: Fri, 19 Nov 2021 21:16:37 +0100
From: Lutz Donnerhacke <lutz@donnerhacke.de>
To: Neel Chauhan <nc@FreeBSD.org>
Cc: freebsd-net@FreeBSD.org
Subject: Re: Porting OpenBSD MPLS to FreeBSD
Message-ID: <20211119201637.GA3334@belenus.iks-jena.de>
References: <7de5f4bf0fdec027b5ae5d844a7cb0f5@FreeBSD.org>
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Archive: https://lists.freebsd.org/archives/freebsd-net
List-Help: <mailto:freebsd-net+help@freebsd.org>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Subscribe: <mailto:freebsd-net+subscribe@freebsd.org>
List-Unsubscribe: <mailto:freebsd-net+unsubscribe@freebsd.org>
Sender: owner-freebsd-net@freebsd.org
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <7de5f4bf0fdec027b5ae5d844a7cb0f5@FreeBSD.org>
X-message-flag: Please send plain text messages only. Thank you.
User-Agent: Mutt/1.5.17 (2007-11-01)
X-Rspamd-Queue-Id: 4Hwnxy0j3pz4rJv
X-Spamd-Bar: ----
Authentication-Results: mx1.freebsd.org;
	none
X-Spamd-Result: default: False [-4.00 / 15.00];
	 REPLY(-4.00)[]
X-Spam: Yes
X-ThisMailContainsUnwantedMimeParts: N

On Fri, Nov 19, 2021 at 11:17:42AM -0800, Neel Chauhan wrote:
>  * Is porting OpenBSD MPLS to FreeBSD feasible, or are we better off doing 
> a from-scratch implementation based on netgraph?

I'd prefer a netgraph approach, if possible.
It helps to concentrate on the important things.

>  * Would some of the other committers here be willing to mentor/help me if 
> needed?

For the netgraph part ...