Date: Wed, 1 Feb 2006 12:42:05 +0300 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Luigi Rizzo <rizzo@icir.org> Cc: net@FreeBSD.org Subject: Re: if_bridge.ko requires INET6... Message-ID: <20060201094205.GU4297@cell.sick.ru> In-Reply-To: <20060201013619.A70391@xorpc.icir.org> References: <20060201005658.A70005@xorpc.icir.org> <20060201090421.GT4297@FreeBSD.org> <20060201013619.A70391@xorpc.icir.org>
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On Wed, Feb 01, 2006 at 01:36:19AM -0800, Luigi Rizzo wrote: L> On Wed, Feb 01, 2006 at 12:04:21PM +0300, Gleb Smirnoff wrote: L> > On Wed, Feb 01, 2006 at 12:56:58AM -0800, Luigi Rizzo wrote: L> > L> just noticed that if_bridge.ko fails to load if your kernel L> > L> is not compiled with INET6 - the failure is actually only L> > L> on symbols related to stats gathering in L> > L> bridge_ip6_checkbasic() L> > L> L> > L> I wonder if it might be worthwhile just ignoring L> > L> those stats when compiling if_bridge as a module, L> > L> so it can be loaded on ipv4 only kernels ? L> > L> > If you have compiled the modules as part of buildkernel L> > target, then all options from kernel would apply to all L> > modules, thus the bridge_ip6_checkbasic() function won't L> > be present in if_bridge.ko, and you would successfully L> > load the module. L> L> i _did_ compile the modules with make buildkernel L> and this how i got the failure. This was on a L> relatively fresh 6.0-STABLE tree. L> Perhaps it has been fixed in -current but not in -stable ? L> L> > P.S. This is not if_bridge neither INET6 problem. This is L> > generic problem with modules built outside of buildkernel L> > target. L> L> see above. I am glad there is a fix designed to address L> this problem, now it's just a matter of figuring out L> why the fix doesn't work :) Oh, I've mistaken. We already got infrastructure for such thing - HAVE_KERNEL_OPTION_HEADERS, but now it is utilized only by polling(4). Someone should make some job and teach INET6 to use HAVE_KERNEL_OPTION_HEADERS. -- Totus tuus, Glebius. GLEBIUS-RIPN GLEB-RIPE
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