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From: "Jeff Squyres (jsquyres)" <jsquyres-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>
To: Jason Gunthorpe
	<jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
Cc: Steve Wise
	<swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>,
	"Hefty,
	Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@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: Tue, 23 Jul 2013 13:26:06 +0000	[thread overview]
Message-ID: <EF66BBEB19BADC41AC8CCF5F684F07FC4F749B82@xmb-rcd-x01.cisco.com> (raw)
In-Reply-To: <20130718165003.GB9237-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>

On Jul 18, 2013, at 12:50 PM, Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org> wrote:

>> We need it for UD for our upcoming device, however, because the MTU
>> is the only way to get the max message size.
> 
> .. and UD is the least abstracted transport, so existing apps won't
> support Jeff's new NIC anyhow, MTU is the least of their problems.
> 
> Existing apps with existing transports see the same old values.


...so how do we move forward?

-- 
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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  parent reply	other threads:[~2013-07-23 13:26 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)
     [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) [this message]
     [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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