From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: Liran Liss <liranl-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>,
Roland Dreier <rdreier-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
Aleksey Senin <aleksey-192fA4vuk7xBDLzU/O5InQ@public.gmane.org>,
linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"monis-smomgflXvOZWk0Htik3J/w@public.gmane.org"
<monis-smomgflXvOZWk0Htik3J/w@public.gmane.org>,
"alekseys-smomgflXvOZWk0Htik3J/w@public.gmane.org"
<alekseys-smomgflXvOZWk0Htik3J/w@public.gmane.org>,
"yiftahs-smomgflXvOZWk0Htik3J/w@public.gmane.org"
<yiftahs-smomgflXvOZWk0Htik3J/w@public.gmane.org>,
Tziporet Koren <tziporet-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>,
"alexr-smomgflXvOZWk0Htik3J/w@public.gmane.org"
<alexr-smomgflXvOZWk0Htik3J/w@public.gmane.org>
Subject: Re: When IBoE will be merged to upstream?
Date: Fri, 2 Jul 2010 01:42:46 -0600 [thread overview]
Message-ID: <20100702074246.GC7958@obsidianresearch.com> (raw)
In-Reply-To: <CF9C39F99A89134C9CF9C4CCB68B8DDF25A1002175-osO9UTpF0USkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
On Thu, Jul 01, 2010 at 05:20:05PM -0700, Hefty, Sean wrote:
> > The most evident example is the CM protocol, which has L2 fields in its
> > payloads.
>
> How does moving the L3 to L2 mapping from outside create AH result
> in the CM protocol needing to change? Why is hiding this under modify
> QP desirable?
I'm not too sure about that either.. The concept of a reduced
functionality TCA does not seem to have been considered as part of
RoCE, there is nothing like APM or path selection, so it is reasonable
to assume that the target in a CM can do the PR lookup equivilent to
get from a GID to the L2 information. The RoCE spec does not specify
that DMAC addresses must be exact match to QP data, so this is not a
problem like it would be in IB.
Jason
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next prev parent reply other threads:[~2010-07-02 7:42 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-20 6:18 When IBoE will be merged to upstream? Aleksey Senin
[not found] ` <AANLkTikXzoaRl61ivsc7fm8EdO9Ucz4iGGfclFOQl3kK-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-06-23 23:23 ` Roland Dreier
[not found] ` <adabpb1s58c.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-06-24 15:42 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB4439A78AFE88-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-06-24 18:05 ` Hefty, Sean
[not found] ` <CF9C39F99A89134C9CF9C4CCB68B8DDF259E7DE3D0-osO9UTpF0USkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-06-24 18:41 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB4439A78AFF16-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-06-24 20:37 ` Jason Gunthorpe
[not found] ` <20100624203701.GA4630-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-06-25 8:04 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB4439A78B0042-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-06-25 15:57 ` Jason Gunthorpe
[not found] ` <20100625155755.GC4630-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-06-25 16:54 ` Hefty, Sean
2010-07-01 11:50 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB4439BA54B70E-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-02 0:20 ` Hefty, Sean
[not found] ` <CF9C39F99A89134C9CF9C4CCB68B8DDF25A1002175-osO9UTpF0USkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2010-07-02 7:42 ` Jason Gunthorpe [this message]
2010-07-02 7:35 ` Jason Gunthorpe
2010-07-03 20:34 ` Roland Dreier
[not found] ` <adak4pcnw3c.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-07-04 17:03 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443A8E048000-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-06 6:44 ` Or Gerlitz
[not found] ` <4C32D0BD.3030902-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2010-07-06 11:01 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443A8E2E552A-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-07 6:00 ` Or Gerlitz
[not found] ` <4C3417FA.7000600-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2010-07-07 6:13 ` Jason Gunthorpe
2010-07-10 8:55 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443AAB6D59C0-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-11 4:34 ` Jason Gunthorpe
[not found] ` <20100711043449.GA31404-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-07-12 7:58 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443AACB08EA5-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-12 16:21 ` Jason Gunthorpe
[not found] ` <20100712162131.GB15392-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-07-13 8:26 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443AACDEE865-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-13 19:31 ` Jason Gunthorpe
[not found] ` <20100713193138.GA12614-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-07-15 10:55 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443ABB321006-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-15 16:59 ` Jason Gunthorpe
2010-07-20 5:28 ` Paul Grun
2010-07-20 17:06 ` Jason Gunthorpe
2010-07-12 16:43 ` Hefty, Sean
2010-07-12 21:20 ` Roland Dreier
[not found] ` <adatyo4xuqx.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-07-13 19:38 ` Jason Gunthorpe
[not found] ` <20100713193828.GB12614-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2010-07-13 21:20 ` Roland Dreier
[not found] ` <ada8w5fxenn.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-07-15 11:14 ` Liran Liss
[not found] ` <E113D394D7C5DB4F8FF691FA7EE9DB443ABB321050-WQlSmcKwN8Te+A/uUDamNg@public.gmane.org>
2010-07-15 17:21 ` Roland Dreier
[not found] ` <adalj9cveyd.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-07-15 17:53 ` Roland Dreier
2010-07-15 19:20 ` Alex Rosenbaum
[not found] ` <7E95F01E94AB484F83061FCFA35B39F87A7D2C-QfUkFaTmzUSUvQqKE/ONIwC/G2K4zDHf@public.gmane.org>
2010-07-15 20:03 ` Roland Dreier
[not found] ` <ada1vb4v7fl.fsf-BjVyx320WGW9gfZ95n9DRSW4+XlvGpQz@public.gmane.org>
2010-07-20 20:50 ` Liran Liss
2010-07-15 11:00 ` Liran Liss
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