From patchwork Fri May 22 19:22:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arlin Davis X-Patchwork-Id: 6467491 Return-Path: X-Original-To: patchwork-linux-rdma@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3906C9F1CC for ; Fri, 22 May 2015 19:22:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5919E2045B for ; Fri, 22 May 2015 19:22:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4A27D2034E for ; Fri, 22 May 2015 19:22:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756645AbbEVTWv (ORCPT ); Fri, 22 May 2015 15:22:51 -0400 Received: from mga02.intel.com ([134.134.136.20]:6976 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756229AbbEVTWu (ORCPT ); Fri, 22 May 2015 15:22:50 -0400 Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP; 22 May 2015 12:22:50 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,477,1427785200"; d="scan'208";a="714399567" Received: from cst-linux.jf.intel.com ([10.23.221.40]) by fmsmga001.fm.intel.com with ESMTP; 22 May 2015 12:22:50 -0700 From: arlin.r.davis@intel.com To: linux-rdma@vger.kernel.org Cc: Arlin Davis Subject: [PATCH 1/7] dapl mcm: HST->MXS mode, using RDMA_WRITE_WITH_IMM, fails with dtest -w Date: Fri, 22 May 2015 12:22:41 -0700 Message-Id: <1432322567-9349-1-git-send-email-arlin.r.davis@intel.com> X-Mailer: git-send-email 1.7.3 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Arlin Davis Host side incorrectly sets opcode to IBV_WR_RDMA_WRITE_WITH_IMM on every segment instead of just the last segment. Signed-off-by: Arlin Davis --- dapl/openib_mcm/proxy.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/dapl/openib_mcm/proxy.c b/dapl/openib_mcm/proxy.c index f4ec1f2..5163bca 100644 --- a/dapl/openib_mcm/proxy.c +++ b/dapl/openib_mcm/proxy.c @@ -111,6 +111,12 @@ int mcm_send_pi(struct dcm_ib_qp *m_qp, m_wr_rx.w_idx = htonl(m_qp->wc_tl); /* snd back wc tail */ m_wr_rx.wr.num_sge = htonl(wr->num_sge); m_wr_rx.wr.opcode = htonl(wr->opcode); + + /* RW_IMM: reset opcode on all segments except last */ + if (!(wr_flags & M_SEND_LS) && + (wr->opcode == IBV_WR_RDMA_WRITE_WITH_IMM)) + m_wr_rx.wr.opcode = htonl(IBV_WR_RDMA_WRITE); + m_wr_rx.wr.send_flags = htonl(wr->send_flags); m_wr_rx.wr.imm_data = htonl(wr->imm_data); m_wr_rx.sg[0].addr = htonll(l_addr + l_off);