Date: Tue, 16 Sep 2014 09:57:01 +0000 From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, Rui Paulo <rpaulo@me.com> Subject: Re: svn commit: r271297 - head/sys/netinet Message-ID: <7196B9EB-B5E0-4656-80FE-2527B5F41308@FreeBSD.org> In-Reply-To: <CAJ-VmomQRB0-07voRy0uhGKXzmz%2BVexzA5Sn8QXF2qrOtZs2zA@mail.gmail.com> References: <201409090310.s893ALba076415@svn.freebsd.org> <BFAF1862-480C-430B-BC63-E209E77D8E1A@me.com> <CAJ-VmomQRB0-07voRy0uhGKXzmz%2BVexzA5Sn8QXF2qrOtZs2zA@mail.gmail.com>
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On 16 Sep 2014, at 01:49 , Adrian Chadd <adrian@freebsd.org> wrote: > On 15 September 2014 17:00, Rui Paulo <rpaulo@me.com> wrote: >> On Sep 8, 2014, at 20:10, Adrian Chadd <adrian@FreeBSD.org> wrote: >>>=20 >>> The IPv6 part of this is missing - I'm going to do some re-juggling = of >>> where various parts of the RSS framework live before I add the IPv6 >>> code (read: the IPv6 code is going to go into netinet6/in6_rss.[ch], >>> rather than living here.) >>=20 >> Any thoughts on how are you going to handle the IPv6 part? I would = probably avoid parsing any special IPv6 header type and provide RSS iff = the packet is IPv6 header + next header =3D (TCP|UDP). >=20 > I'm likely going to do exactly that for now and only support those > bits in the RSS config. The IPV6 _EXT bits can come later. Neither our driver independent soft-LRO nor any of the in-tree drivers = can currently deal if extension headers and punt anything to software to = my best knowledge; there is also very limited support for them in = hardware anyway. I did started prototyping two different strategies for =93library = functions=94 that could be used in various places in the stack but never = got to the point to properly evaluate them so far (and would probably = have to find them on a turned off machine currently). But yes, ignoring them for now will be ok, and once we do them we need = to do them everywhere in the stack anyway;-) =97=20 Bjoern A. Zeeb "Come on. Learn, goddamn it.", WarGames, 1983
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