Date: Tue, 5 Sep 2017 15:26:46 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Sepherosa Ziehau <sepherosa@gmail.com> Cc: "Robert N. M. Watson" <rwatson@freebsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: RSS_UDP_IPV4_EX? Message-ID: <CAJ-Vmont9D-B8Cyjho08sV7kTbCYfM8QrzSog1=J7Cfj3suKPw@mail.gmail.com> In-Reply-To: <CAMOc5cwFuwSc-Oo%2BUR3aY7pKbfef93cahi2ehmJ-F9FVj_7tBw@mail.gmail.com> References: <CAMOc5cwL_Z15p3334jJ1SBtC3rP1Vn%2BtP_sFzSBeaMG1AK7sZA@mail.gmail.com> <CAJ-Vmok5JePWFc-y9YhnjKptuw49wy-dw2kj_8Mk1Jnfb=VG7g@mail.gmail.com> <E43C698C-98D8-41DC-A97A-442FE31415E5@FreeBSD.org> <CAMOc5cwFuwSc-Oo%2BUR3aY7pKbfef93cahi2ehmJ-F9FVj_7tBw@mail.gmail.com>
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Please do! -a On 3 September 2017 at 17:48, Sepherosa Ziehau <sepherosa@gmail.com> wrote: > On Sat, Sep 2, 2017 at 6:11 PM, Robert N. M. Watson <rwatson@freebsd.org> wrote: >> My recollection here is (quite) hazy, as it's been a while, but it's likely >> that this was a transcription error. The set of hash types was largely >> modelled on what Chelsio offered in the T3 (if I recall), and also what was >> documented in the Microsoft RSS white paper, so it may be worth taking a >> look at those sources to see if something makes itself obvious. >> >> (There do seem to be some odd variations in hashing types supported by >> various NICs -- e.g., hashing but with different hash algorithms in certain >> generations of cards, etc, so it also wouldn't surprise me if it did >> correspond to something real. Clearly the comment is not good enough to >> explain that, if so!) > > I checked latest RSS updates from Microsoft. There is no such type. > But they did add UDP_IP4, UDP_IPV6 and UDP_IPV6_EX. I am going to > whack UDP_IPV4_EX and update various comment. I will setup a review > soon. > > Thanks, > sephe > >> >> Robert >> >> On 2 Sep 2017, at 00:43, Adrian Chadd <adrian@freebsd.org> wrote: >> >> Hi, >> >> I seem to recall it was something some chipsets supported? I forget the >> details. >> >> >> >> -adrian >> >> >> On 30 August 2017 at 00:07, Sepherosa Ziehau <sepherosa@gmail.com> wrote: >>> >>> IPv4 UDP with extended headers o_O? Or it was just a mistake. >>> >>> Thanks, >>> sephe >>> >>> -- >>> Tomorrow Will Never Die >> >> >> > > > > -- > Tomorrow Will Never Die
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