From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eli Cohen Subject: Re: [ewg] [PATCHv8 03/11] IB/umad: Enable support only for IB ports Date: Thu, 6 May 2010 13:48:48 +0300 Message-ID: <20100506104848.GA29792@mtldesk030.lab.mtl.com> References: <20100218172354.GD12286@mtls03> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier Cc: Eli Cohen , Linux RDMA list , ewg List-Id: linux-rdma@vger.kernel.org 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. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html