Re: [PATCHv3 1/1] IB/rxe: drop QP0 silently

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On Fri, Jul 13, 2018 at 03:10:20AM -0400, Zhu Yanjun wrote:
> According to "Annex A16: RDMA over Converged Ethernet (RoCE)",
> 
> A16.4.3 MANAGEMENT INTERFACES
> 
> As defined in the base specification, a special Queue Pair, QP0 is defined
> solely for communication between subnet manager(s) and subnet management
> agents. Since such an IB-defined subnet management architecture
> is outside the scope of this annex, it follows that there is also no
> requirement that a port which conforms to this annex be associated with
> a QP0. Thus, for end nodes designed to conform to this annex, the concept
> of QP0 is undefined and unused for any port connected to an
> Ethernet network.
> CA16-8: A packet arriving at a RoCE port containing a BTH with the
> destination QP field set to QP0 shall be silently dropped.
> 
> CC: Srinivas Eeda <srinivas.eeda@xxxxxxxxxx>
> CC: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
> Signed-off-by: Zhu Yanjun <yanjun.zhu@xxxxxxxxxx>
> Acked-by: Moni Shoua <monis@xxxxxxxxxxxx>
> Reviewed-by: Yuval Shaia <yuval.shaia@xxxxxxxxxx>
> ---
> V2->V3: Add pr_warn_once warning
> V1->V2: Remove the warning
> ---
>  drivers/infiniband/sw/rxe/rxe_recv.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)

Applied to for-next, thanks

Jason
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