netdev - Re: [PATCH] IB/rxe: increment msn only when completing a request

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Date:   Fri, 24 Mar 2017 22:07:54 -0400
From:   Doug Ledford <dledford@...hat.com>
To:     David Marchand <david.marchand@...nd.com>, monis@...lanox.com
Cc:     linux-rdma@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] IB/rxe: increment msn only when completing a request

On Fri, 2017-02-24 at 15:38 +0100, David Marchand wrote:
> According to C9-147, MSN should only be incremented when the last
> packet of
> a multi packet request has been received.
> 
> "Logically, the requester associates a sequential Send Sequence
> Number
> (SSN) with each WQE posted to the send queue. The SSN bears a one-
> to-one relationship to the MSN returned by the responder in each re-
> sponse packet. Therefore, when the requester receives a response, it
> in-
> terprets the MSN as representing the SSN of the most recent request
> completed by the responder to determine which send WQE(s) can be
> completed."
> 
> Fixes: 8700e3e7c485 ("Soft RoCE driver")
> 
> Signed-off-by: David Marchand <david.marchand@...nd.com>

Thanks, applied.

-- 
Doug Ledford <dledford@...hat.com>
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