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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

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>
    GPG KeyID: B826A3330E572FDD
   
Key fingerprint = AE6B 1BDA 122B 23B4 265B  1274 B826 A333 0E57 2FDD