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From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	Sean <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>,
	Erez Shitrit <erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org"
	<ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
	"linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [PATCH for-next 3/4] IB/core: Support new type of join-state for multicast
Date: Fri, 29 Apr 2016 11:12:46 -0600	[thread overview]
Message-ID: <20160429171246.GA4893@obsidianresearch.com> (raw)
In-Reply-To: <c99ef08a-77d8-1524-042a-0f269a52028d-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>

On Fri, Apr 29, 2016 at 12:27:30PM -0400, Hal Rosenstock wrote:
> > You can never have a SendOnly_FullMember join.  Once you are FullMember,
> > you are no longer SendOnly.
> > 
> > Is a NonMember (assuming here that NonMember is referring to what the CA
> > is listed as according to the SM) even allowed to join, either as
> > SendOnly or FullMember?  I would have thought if the SM listed that CA
> > as a NonMember, that any joins would be flat rejected and NonMember join
> > states wouldn't make any sense.
> 
> There is now a new SendOnlyFullMember option added by IBTA MgtWG post
> IBA 1.3.

As I understand it, this is done because the SendOnly Non-Member
essentially has useless reference counting semantics. FullMember
allows the group to be auto-created and continue to exist even if
there is only one SendOnly member.

Jason
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  parent reply	other threads:[~2016-04-29 17:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-19 12:51 [PATCH for-next 0/4] Support SendOnlyFullMember join Erez Shitrit
     [not found] ` <1461070287-13469-1-git-send-email-erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-04-19 12:51   ` [PATCH for-next 1/4] IB/core: Add support for get ClassPortInfo from the SA Erez Shitrit
     [not found]     ` <1461070287-13469-2-git-send-email-erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-05-12 23:17       ` Ira Weiny
2016-04-19 12:51   ` [PATCH for-next 2/4] IB/sa: Add support for sa get ClassPortInfo Erez Shitrit
     [not found]     ` <1461070287-13469-3-git-send-email-erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-04-20 12:09       ` Hal Rosenstock
     [not found]         ` <57177181.7090408-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-20 14:24           ` Erez Shitrit
2016-04-21 12:12           ` Erez Shitrit
2016-04-20 13:12       ` Or Gerlitz
     [not found]         ` <CAJ3xEMihe-54UExbp3ptqH5yqg7dc6a6tKcJw0gNytTECce5TQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-20 13:19           ` Erez Shitrit
2016-04-19 12:51   ` [PATCH for-next 3/4] IB/core: Support new type of join-state for multicast Erez Shitrit
     [not found]     ` <1461070287-13469-4-git-send-email-erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-04-26 20:16       ` Christoph Lameter
     [not found]         ` <alpine.DEB.2.20.1604261514590.2663-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2016-04-26 20:57           ` Hefty, Sean
     [not found]             ` <1828884A29C6694DAF28B7E6B8A82373AB045BD0-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-27  6:42               ` Leon Romanovsky
     [not found]                 ` <20160427064239.GO7974-2ukJVAZIZ/Y@public.gmane.org>
2016-04-29  2:34                   ` Doug Ledford
     [not found]                     ` <5722C839.2070704-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-04-29 15:50                       ` Hefty, Sean
     [not found]                         ` <1828884A29C6694DAF28B7E6B8A82373AB0475AC-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2016-04-29 16:10                           ` Doug Ledford
2016-04-29 16:27                       ` Hal Rosenstock
     [not found]                         ` <c99ef08a-77d8-1524-042a-0f269a52028d-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-29 17:12                           ` Jason Gunthorpe [this message]
     [not found]                             ` <20160429171246.GA4893-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-04-29 17:58                               ` Hal Rosenstock
     [not found]                                 ` <c1bc7c93-53c9-8b71-16eb-2bb92df93b76-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-30  1:37                                   ` Christoph Lameter
2016-05-02  7:26               ` Erez Shitrit
     [not found]                 ` <CAAk-MO8Zo2cHo8hiyYdbiSoRG2tgdxcSZPhCDWRUm6KrHCE8EQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-05-02 17:02                   ` Hefty, Sean
2016-04-19 12:51   ` [PATCH for-next 4/4] IB/ipoib: Support SendOnlyFullMember MCG for SendOnly join Erez Shitrit
     [not found]     ` <1461070287-13469-5-git-send-email-erezsh-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-04-20 12:11       ` Hal Rosenstock
     [not found]         ` <571771FB.90908-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-20 13:12           ` Erez Shitrit
     [not found]             ` <CAAk-MO_24actZ4FJqOjk0ztR=Z6toSfB-xuyFKeUvtZ8h0Xv3A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-20 13:29               ` Hal Rosenstock
     [not found]                 ` <5717843B.7020501-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-21 12:52                   ` Erez Shitrit
     [not found]                     ` <CAAk-MO9sie_pFH7wSDhhuEd2uApnz5dMF6E9u6Vgkyimc+1xWA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-21 13:24                       ` Hal Rosenstock
     [not found]                         ` <5718D497.70306-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2016-04-21 14:11                           ` Erez Shitrit
     [not found]                             ` <CAAk-MO9W-sdi4D+xT6C_TB7uWNMPV8++RRtyoLmJ23HFq11+iw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-04-21 17:32                               ` Jason Gunthorpe
     [not found]                                 ` <20160421173219.GA5814-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2016-05-02  8:00                                   ` Erez Shitrit

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