Date: Mon, 4 Sep 2017 08:48:01 +0800 From: Sepherosa Ziehau <sepherosa@gmail.com> To: "Robert N. M. Watson" <rwatson@freebsd.org> Cc: Adrian Chadd <adrian@freebsd.org>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: RSS_UDP_IPV4_EX? Message-ID: <CAMOc5cwFuwSc-Oo%2BUR3aY7pKbfef93cahi2ehmJ-F9FVj_7tBw@mail.gmail.com> In-Reply-To: <E43C698C-98D8-41DC-A97A-442FE31415E5@FreeBSD.org> References: <CAMOc5cwL_Z15p3334jJ1SBtC3rP1Vn%2BtP_sFzSBeaMG1AK7sZA@mail.gmail.com> <CAJ-Vmok5JePWFc-y9YhnjKptuw49wy-dw2kj_8Mk1Jnfb=VG7g@mail.gmail.com> <E43C698C-98D8-41DC-A97A-442FE31415E5@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAMOc5cwFuwSc-Oo%2BUR3aY7pKbfef93cahi2ehmJ-F9FVj_7tBw>