From patchwork Fri Sep 29 15:10:10 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wei Hu (Xavier)" X-Patchwork-Id: 9978193 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D885560329 for ; Fri, 29 Sep 2017 14:43:09 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CBF0C29871 for ; Fri, 29 Sep 2017 14:43:09 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C05C129876; Fri, 29 Sep 2017 14:43:09 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6A64029871 for ; Fri, 29 Sep 2017 14:43:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752459AbdI2Omy (ORCPT ); Fri, 29 Sep 2017 10:42:54 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:7475 "EHLO szxga04-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752131AbdI2OmU (ORCPT ); Fri, 29 Sep 2017 10:42:20 -0400 Received: from 172.30.72.59 (EHLO DGGEMS410-HUB.china.huawei.com) ([172.30.72.59]) by dggrg04-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id DIE66158; Fri, 29 Sep 2017 22:42:13 +0800 (CST) Received: from linux-ioko.site (10.71.200.31) by DGGEMS410-HUB.china.huawei.com (10.3.19.210) with Microsoft SMTP Server id 14.3.301.0; Fri, 29 Sep 2017 22:42:03 +0800 From: "Wei Hu (Xavier)" To: CC: , , , , , , , , , , Subject: [PATCH V2 for-next 4/8] RDMA/hns: Set mask for destination qp field of qp context assignment Date: Fri, 29 Sep 2017 23:10:10 +0800 Message-ID: <1506697814-98432-5-git-send-email-xavier.huwei@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1506697814-98432-1-git-send-email-xavier.huwei@huawei.com> References: <1506697814-98432-1-git-send-email-xavier.huwei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.59CE5BC5.00A3, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 943493910379f8c91c97f4e3e5abbd36 Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Lijun Ou When only set IB_QP_DEST_QPN flag for attr_mask, the operation of assigning the dest_qp_num for dest_qp field of qp context is valid. Signed-off-by: Lijun Ou Signed-off-by: Wei Hu (Xavier) Signed-off-by: Shaobo Xu --- drivers/infiniband/hw/hns/hns_roce_hw_v1.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c index 6f309f7..10d828c 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c @@ -2888,10 +2888,11 @@ static int hns_roce_v1_m_qp(struct ib_qp *ibqp, const struct ib_qp_attr *attr, QP_CONTEXT_QPC_BYTES_32_RESPONDER_RESOURCES_S, ilog2((unsigned int)attr->max_dest_rd_atomic)); - roce_set_field(context->qpc_bytes_36, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, - QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, - attr->dest_qp_num); + if (attr_mask & IB_QP_DEST_QPN) + roce_set_field(context->qpc_bytes_36, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_M, + QP_CONTEXT_QPC_BYTES_36_DEST_QP_S, + attr->dest_qp_num); /* Configure GID index */ port_num = rdma_ah_get_port_num(&attr->ah_attr);