[ewg] [PATCHv8 03/11] IB/umad: Enable support only for IB ports

Eli Cohen eli at dev.mellanox.co.il
Thu May 6 03:48:48 PDT 2010


On Wed, May 05, 2010 at 03:11:09PM -0700, Roland Dreier wrote:
> Why do we not allow umad for IBoE ports?  I understand there's no QP0
> but why can't userspace use QP1 just like for IB link layer ports?

Currently QP1 is only used by the CM protocol which is implemented in
the kernel.
Since we handle the iboe specific flow in the cma rather than the SA,
there is no need to expose qp1 to userspace.




More information about the ewg mailing list