From owner-freebsd-net Sun Aug 12 13:35:25 2001 Delivered-To: freebsd-net@freebsd.org Received: from InterJet.elischer.org (c421509-a.pinol1.sfba.home.com [24.7.86.9]) by hub.freebsd.org (Postfix) with ESMTP id 9668B37B408 for ; Sun, 12 Aug 2001 13:35:21 -0700 (PDT) (envelope-from julian@elischer.org) Received: from elischer.org (InterJet.elischer.org [192.168.1.1]) by InterJet.elischer.org (8.9.1a/8.9.1) with ESMTP id NAA98243; Sun, 12 Aug 2001 13:28:19 -0700 (PDT) Message-ID: <3B76E4BD.45E83378@elischer.org> Date: Sun, 12 Aug 2001 13:19:09 -0700 From: Julian Elischer X-Mailer: Mozilla 4.7 [en] (X11; U; FreeBSD 5.0-CURRENT i386) X-Accept-Language: en, hu MIME-Version: 1.0 To: Jun-ichiro itojun Hagino Cc: net@freebsd.org Subject: Re: IPV6/KAME/protosw integration cleanup References: <20010812200929.C276E7BA@starfruit.itojun.org> Content-Type: text/plain; charset=iso-8859-2 Content-Transfer-Encoding: 7bit Sender: owner-freebsd-net@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Jun-ichiro itojun Hagino wrote: > > >Please note that the ip6protosw is ALSO very broken > > unfortunately, you are wrong. yes, protosw is supposed to be > protocol-independent. however, due to the nature of IPv6 extension > headers (you can have infinite number of them) you can blow the kernel > stack very easily. therefore, we had to do ip6protosw.h. > please read my Usenix paper (on m_pulldown and mbuf issues in BSD > IPv6 support) two years ago. I didn't say it could be easily fixed, and note that I am not touching it now.. > > itojun -- +------------------------------------+ ______ _ __ | __--_|\ Julian Elischer | \ U \/ / hard at work in | / \ julian@elischer.org +------>x USA \ a very strange | ( OZ ) \___ ___ | country ! +- X_.---._/ presently in San Francisco \_/ \\ v To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message