From patchwork Tue Jul 12 16:48:43 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shiraz Saleem X-Patchwork-Id: 9225717 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 569C360868 for ; Tue, 12 Jul 2016 16:49:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4872827C14 for ; Tue, 12 Jul 2016 16:49:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3D3F127C8F; Tue, 12 Jul 2016 16:49:58 +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 D029727C14 for ; Tue, 12 Jul 2016 16:49:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754381AbcGLQtz (ORCPT ); Tue, 12 Jul 2016 12:49:55 -0400 Received: from mga03.intel.com ([134.134.136.65]:59637 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933222AbcGLQtg (ORCPT ); Tue, 12 Jul 2016 12:49:36 -0400 Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga103.jf.intel.com with ESMTP; 12 Jul 2016 09:49:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,352,1464678000"; d="scan'208";a="993802740" Received: from ssaleem-mobl4.amr.corp.intel.com ([10.122.32.92]) by orsmga001.jf.intel.com with ESMTP; 12 Jul 2016 09:49:35 -0700 From: Shiraz Saleem To: dledford@redhat.com Cc: linux-rdma@vger.kernel.org, e1000-rdma@lists.sourceforge.net, Mustafa Ismail , Shiraz Saleem Subject: [PATCH for-next 5/8] i40iw: Simplify code to set fragments in SQ WQE Date: Tue, 12 Jul 2016 11:48:43 -0500 Message-Id: <1468342126-29168-6-git-send-email-shiraz.saleem@intel.com> X-Mailer: git-send-email 2.8.0 In-Reply-To: <1468342126-29168-1-git-send-email-shiraz.saleem@intel.com> References: <1468342126-29168-1-git-send-email-shiraz.saleem@intel.com> 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: Mustafa Ismail Replace a subtract and multiply with an add; while populating fragments in SQ wqe. Signed-off-by: Mustafa Ismail Signed-off-by: Shiraz Saleem --- drivers/infiniband/hw/i40iw/i40iw_uk.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/hw/i40iw/i40iw_uk.c b/drivers/infiniband/hw/i40iw/i40iw_uk.c index cea0b8a..6b217e6 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_uk.c +++ b/drivers/infiniband/hw/i40iw/i40iw_uk.c @@ -291,9 +291,9 @@ static enum i40iw_status_code i40iw_rdma_write(struct i40iw_qp_uk *qp, i40iw_set_fragment(wqe, 0, op_info->lo_sg_list); - for (i = 1; i < op_info->num_lo_sges; i++) { - byte_off = 32 + (i - 1) * 16; + for (i = 1, byte_off = 32; i < op_info->num_lo_sges; i++) { i40iw_set_fragment(wqe, byte_off, &op_info->lo_sg_list[i]); + byte_off += 16; } wmb(); /* make sure WQE is populated before valid bit is set */ @@ -401,9 +401,9 @@ static enum i40iw_status_code i40iw_send(struct i40iw_qp_uk *qp, i40iw_set_fragment(wqe, 0, op_info->sg_list); - for (i = 1; i < op_info->num_sges; i++) { - byte_off = 32 + (i - 1) * 16; + for (i = 1, byte_off = 32; i < op_info->num_sges; i++) { i40iw_set_fragment(wqe, byte_off, &op_info->sg_list[i]); + byte_off += 16; } wmb(); /* make sure WQE is populated before valid bit is set */ @@ -685,9 +685,9 @@ static enum i40iw_status_code i40iw_post_receive(struct i40iw_qp_uk *qp, i40iw_set_fragment(wqe, 0, info->sg_list); - for (i = 1; i < info->num_sges; i++) { - byte_off = 32 + (i - 1) * 16; + for (i = 1, byte_off = 32; i < info->num_sges; i++) { i40iw_set_fragment(wqe, byte_off, &info->sg_list[i]); + byte_off += 16; } wmb(); /* make sure WQE is populated before valid bit is set */