From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Tucker Subject: Re: MLX4 Cq Question Date: Mon, 20 May 2013 15:10:37 -0500 Message-ID: <519A833D.6090406@opengridcomputing.com> References: <51968438.7070907@opengridcomputing.com> <201305201753.10806.jackm@dev.mellanox.co.il> <519A7EB2.8090206@opengridcomputing.com> <1828884A29C6694DAF28B7E6B8A823736FD2955D@ORSMSX109.amr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1828884A29C6694DAF28B7E6B8A823736FD2955D-P5GAC/sN6hkd3b2yrw5b5LfspsVTdybXVpNB7YpNyf8@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: "Hefty, Sean" Cc: Jack Morgenstein , Roland Dreier , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Or Gerlitz List-Id: linux-rdma@vger.kernel.org On 5/20/13 2:58 PM, Hefty, Sean wrote: >> My reading of the code (i.e. hw/mlx4/cq.c) is that the hardware cqe >> owner_sr_opcode field contains MLX4_CQE_OPCODE_ERROR when there is an >> error and therefore, the only way to recover what the opcode was is >> through the wr_id you used when submitting the WR. >> >> Is my reading of the code correct? > I believe this is true wrt the IB spec. Thanks, this was my recollection as well. Tom -- 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