Date: Wed, 07 May 2008 08:40:56 +0100 From: "Bruce M. Simpson" <bms@incunabulum.net> To: Julian Elischer <julian@elischer.org> Cc: freebsd-net@freebsd.org, Edwin Groothuis <edwin@mavetju.org> Subject: Re: IPPROTO_DIVERT and PF_INET6 Message-ID: <48215D08.5050500@incunabulum.net> In-Reply-To: <4821535B.8050001@elischer.org> References: <20080503100043.GA68835@k7.mavetju> <m2od7k7e5z.wl%Jinmei_Tatuya@isc.org> <481F6AE1.5020408@elischer.org> <20080505231009.GX44028@k7.mavetju> <481F95DE.6090201@elischer.org> <4821330E.8030101@incunabulum.net> <4821535B.8050001@elischer.org>
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Julian Elischer wrote: > actually the divert sockets should really not be in PF_INET > they could deliver both inet and inet6 packets. > the sockaddr that they return (and which needs to be read for divert > to make sense) could be used to distinguish between them. Good point. I'd forgotten that they were abusing the fields in sin_zero. This is not OK for IPv6, although the kludge can still be perpetuated by looking at sa_len and stashing what divert wants at the end of sockaddr_in6. So there IS a case for making them a separate protocol family if someone's going to do a clean implementation of divert sockets for IPv6. cheers BMS
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