Date: Sat, 24 Sep 2005 09:34:31 -0600 From: Scott Long <scottl@samsco.org> To: Max Laier <max@love2party.net> Cc: freebsd-arch@freebsd.org Subject: Re: Bridges Message-ID: <43357207.7080405@samsco.org> In-Reply-To: <200509241525.16173.max@love2party.net> References: <200509241525.16173.max@love2party.net>
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Max Laier wrote: > All, > > for some time now, we have three bridge implementations in the tree: > - net/bridge.c - the "old" bridge > - net/if_bridge.c - the "new" bridge from Net/OpenBSD > - netgraph/ng_bridge.c - the netgraph version [1] > > The new code has several advantages over the old version: > - Spanning Tree Protocol (802.1D) > - better firewall support (IPv6, stateful filtering, ...) > - easy ifconfig(8) configuration > > while keeping all the functionality that was present in the old code: > - dummynet support > - IPFW L2 support [2] > > There have been some benchmarks that suggest that there isn't a performance > issue either, but more numbers are always appreciated. If it turns out that > there is any remaining problem with if_bridge we need to fix it. If you are > running an old bridge on 6.0-BETA try moving to the new code and let us know. > > This means the old code is obsolete. In order to keep code duplication down > and not hinder further development (Andre is working on an overhaul of [2] > and would have to do it twice, for example) I would like to retire the old > bridge code soon. This should happen in HEAD only and thus the old bridge > will stay for all of FreeBSD 6 unless more aggressive depreciation is > requested. > > Please test the new alternative if you are using the old one still. Let us > know if there are any issues remaining. > > Objections against soon retirement of bridge.c in HEAD? > > [1] listed for completeness only. > I'm fine with it being removed in HEAD. You should change the docs and whatever appropriate manpages in 6-STABLE to clearly indicate that it is deprecated there and may be removed in the future. Scott
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