From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe 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 Message-ID: <20160429171246.GA4893@obsidianresearch.com> References: <1461070287-13469-1-git-send-email-erezsh@mellanox.com> <1461070287-13469-4-git-send-email-erezsh@mellanox.com> <1828884A29C6694DAF28B7E6B8A82373AB045BD0@ORSMSX109.amr.corp.intel.com> <20160427064239.GO7974@leon.nu> <5722C839.2070704@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Hal Rosenstock Cc: Doug Ledford , leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, Sean , Christoph Lameter , Erez Shitrit , "ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org" , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.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 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html