Date: Thu, 18 Sep 2008 17:49:36 -0700 From: Maxim Sobolev <sobomax@sippysoft.com> To: "M. Warner Losh" <imp@bsdimp.com> Cc: re@FreeBSD.ORG, gnn@FreeBSD.ORG, xcllnt@mac.com, current@FreeBSD.ORG Subject: Re: IPSEC/crypto is broken in FreeBSD/powerpc 7.0-RELEASE! Message-ID: <48D2F720.2060608@sippysoft.com> In-Reply-To: <20080304.193120.-625041952.imp@bsdimp.com> References: <57AF36D8-0F83-4DF8-BEAA-CF3B59EAA361@rabson.org> <20080304.090741.-1631526462.imp@bsdimp.com> <47CDF0FE.9040405@FreeBSD.org> <20080304.193120.-625041952.imp@bsdimp.com>
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Sorry for the delay. After applying the patch I see the following message in the verbose log: Sep 18 23:42:33 sobomac kernel: nexus0: <cryptosoft>, type (unknown) (no driver attached) Not sure if it's OK or not. M. Warner Losh wrote: > OK. Digging deeper into this problem shows that sparc64 also appears > to do the same things to the nexus bus children that powerpc does. > There may be other nexus devices that do this, and rewriting them to > conform to the x86 conventions would take a little bit of effort. > > I'm starting to think that the architecturally clean way to solve this > issue is to allow children to ask if they have a fixed devclass or a > wildcard one in newbus. This is easy to implement, but as I typed > this up, something inside me rebelled. In this scenario, the newbus > would grow a new function device_is_wildcard() that drivers could > call. > > The other way to fix this is to return a better value from the probe > routine for those devices that attach to the nexus. A quick grep of > the tree suggests that opencrypto is the only MI driver that uses this > trick. There are a few MD drivers that use it as well, but they are > all well controlled. Here's a quick hack. If you want to test this > out without changing newbus, change the cryptosoft.c probe routine to > return (BUS_PROBE_HOOVER - 1) rather than zero. > > Comments? Regards, -- Maksym Sobolyev Sippy Software, Inc. Internet Telephony (VoIP) Experts T/F: +1-646-651-1110 Web: http://www.sippysoft.com
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