From: "Jeff Squyres (jsquyres)" <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Cc: "Hefty,
Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Jason Gunthorpe
<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>,
Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>,
"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: [PATCH V2] libibverbs: Allow arbitrary int values for MTU
Date: Thu, 18 Jul 2013 02:32:05 +0000 [thread overview]
Message-ID: <EF66BBEB19BADC41AC8CCF5F684F07FC4F727D11@xmb-rcd-x01.cisco.com> (raw)
In-Reply-To: <51E71023.2060006-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
On Jul 17, 2013, at 5:44 PM, Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org> wrote:
> The iwarp drivers just report the nearest mtu enum. Apps don't need it for iwarp like they do for ib.
For RC, it doesn't matter much. So the fact that RoCE and iWARP lie about their MTU isn't a huge deal. It's wrong, but it doesn't matter much.
We need it for UD for our upcoming device, however, because the MTU is the only way to get the max message size.
--
Jeff Squyres
jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org
For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/
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next prev parent reply other threads:[~2013-07-18 2:32 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-02 12:31 [PATCH V2] libibverbs: Allow arbitrary int values for MTU Jeff Squyres
[not found] ` <1372768306-6786-1-git-send-email-jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2013-07-04 0:36 ` Jeff Squyres (jsquyres)
2013-07-05 19:11 ` Roland Dreier
[not found] ` <CAL1RGDVU9otyMtoit1PJR5JkVy4XvU=4xjL1rN1QB7pq0rVcxA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-08 16:26 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F6F31A6-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-08 17:19 ` Roland Dreier
[not found] ` <CAL1RGDU+4CSJyF0TAfAv-YYcjA4FG+XNeg5pGCHPeW5iqhvwpA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-08 17:26 ` Jason Gunthorpe
[not found] ` <20130708172621.GA3852-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-10 12:14 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F70BF83-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-15 14:20 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F71CB0F-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 16:44 ` Christoph Lameter
[not found] ` <0000014030779fed-e7bdfc9a-6714-4473-b093-4b247ab940b6-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2013-07-30 17:21 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F7883AD-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 18:31 ` Christoph Lameter
[not found] ` <0000014030d9bc3d-2916693b-9669-4017-a724-75b51c6dc3dc-000000-p/GC64/jrecnJqMo6gzdpkEOCMrvLtNR@public.gmane.org>
2013-07-30 18:45 ` Atchley, Scott
[not found] ` <17370FDF-C64B-4D74-A848-79C1438E6283-1Heg1YXhbW8@public.gmane.org>
2013-07-30 18:47 ` Doug Ledford
2013-07-16 8:04 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805AAB74-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-16 14:47 ` Jason Gunthorpe
[not found] ` <20130716144747.GA7304-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-16 17:11 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F7211E6-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-17 0:16 ` Roland Dreier
[not found] ` <CAL1RGDWKmecLXsqphwdP9XG=4Y=65Z_ACSdRBhEqVQb6Q4LrUg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-07-17 17:57 ` Doug Ledford
[not found] ` <51E6DB11.9050906-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-08-05 18:48 ` Roland Dreier
[not found] ` <CAL1RGDVuuQU-NZ2o+T0_kuxPMRadGPeqzO1J9iuW=DRuFMMYfQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 19:02 ` Jason Gunthorpe
[not found] ` <20130805190238.GA14356-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-08-05 20:06 ` Roland Dreier
[not found] ` <CAL1RGDWPHWzAWx7XXxGGCVQQ1xHU6QDVybrttnvoqUPrzqzvWA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 22:22 ` Jason Gunthorpe
[not found] ` <20130805222250.GA4486-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-08-05 22:35 ` Roland Dreier
[not found] ` <CAL1RGDW5V_N62LSZa1YRG1JA1fOf+nbQwBG1xQ7yYiuF6z0fMw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-05 22:43 ` Jason Gunthorpe
2013-07-17 4:06 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805AECC0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-17 18:12 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F725B8C-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-17 21:41 ` Hefty, Sean
[not found] ` <1828884A29C6694DAF28B7E6B8A82373805B941D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2013-07-17 21:44 ` Steve Wise
[not found] ` <51E71023.2060006-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2013-07-18 2:32 ` Jeff Squyres (jsquyres) [this message]
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F727D11-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-18 16:50 ` Jason Gunthorpe
[not found] ` <20130718165003.GB9237-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-07-23 13:26 ` Jeff Squyres (jsquyres)
[not found] ` <EF66BBEB19BADC41AC8CCF5F684F07FC4F749B82-nsZYYkk5h5QQ2GdVW7+PtKBKnGwkPULj@public.gmane.org>
2013-07-30 12:59 ` Jeff Squyres (jsquyres)
-- strict thread matches above, loose matches on Subject: below --
2013-06-20 14:21 Jeff Squyres
[not found] ` <1371738080-18537-1-git-send-email-jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
2013-06-20 16:34 ` Doug Ledford
[not found] ` <51C32EFC.8060202-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-20 16:42 ` Doug Ledford
2013-06-20 16:53 ` Jason Gunthorpe
[not found] ` <20130620165305.GA19800-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-20 20:31 ` Doug Ledford
[not found] ` <51C36692.7000507-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-20 21:14 ` Jason Gunthorpe
[not found] ` <20130620211454.GA2434-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 0:31 ` Doug Ledford
[not found] ` <51C39ECB.3040006-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 1:03 ` Hefty, Sean
2013-06-21 6:36 ` Jason Gunthorpe
[not found] ` <20130621063648.GA27963-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 17:36 ` Doug Ledford
[not found] ` <51C48F01.5030103-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 18:26 ` Jason Gunthorpe
[not found] ` <20130621182617.GA17700-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 20:57 ` Doug Ledford
[not found] ` <51C4BE25.9000501-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-06-21 21:20 ` Jason Gunthorpe
[not found] ` <20130621212016.GA10637-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2013-06-21 21:56 ` Hefty, Sean
2013-06-22 13:13 ` Jeff Squyres (jsquyres)
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