Re: [PATCH for-next 3/4] IB/core: Support new type of join-state for multicast

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On 4/29/2016 1:12 PM, Jason Gunthorpe wrote:
> 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.

My understanding of this option is similar to the above.

-- Hal

> Jason
> 
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