Date: Sat, 6 Jan 2018 00:32:44 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Matt Joras <mjoras@freebsd.org>, Steven Hartland <steven@multiplay.co.uk> Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r327559 - in head: . sys/net Message-ID: <5A4FB6BC.6090506@grosbein.net> In-Reply-To: <CADdTf%2Bi47-X1HVb=JBFi53wOgbX1x1euHr53-YyqNDDFNF9PLw@mail.gmail.com> References: <201801042005.w04K5liB049411@repo.freebsd.org> <5A4E9397.9000308@grosbein.net> <f133b587-1f7e-4594-31d1-974775ad55be@freebsd.org> <5A4EDC62.50508@grosbein.net> <c42bfb9e-e583-aca3-bf0d-4d92c0153d2f@multiplay.co.uk> <5A4F824C.1060405@grosbein.net> <97d173fb-4f47-609d-8319-07282a283473@multiplay.co.uk> <CADdTf%2Bi47-X1HVb=JBFi53wOgbX1x1euHr53-YyqNDDFNF9PLw@mail.gmail.com>
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06.01.2018 0:28, Matt Joras wrote: > For what it's worth, this was the conclusion I came to, and at Isilon > we've made the same change being discussed here. For the case of > drivers that end up using a queue index for the flowid, you end up > with pathological behavior on the lagg; the flowid ends up getting > right shifted by (default) 16. So in the case of e.g. two bxe(4) > interfaces with 4 queues, you always end up choosing the interface in > the lagg at index 0. Not all drivers have this bug. These are drivers that needs to be fixed to not shift by 16, not lagg.
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