From patchwork Wed Jul 22 22:10:37 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Lobakin X-Patchwork-Id: 1334216 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=marvell.com Authentication-Results: ozlabs.org; dkim=fail reason="key not found in DNS" header.d=marvell.com header.i=@marvell.com header.a=rsa-sha256 header.s=pfpt0818 header.b=e9jeHI8E; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BBqT005Lcz9sSn for ; Thu, 23 Jul 2020 08:12:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733293AbgGVWMO (ORCPT ); Wed, 22 Jul 2020 18:12:14 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:57500 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733032AbgGVWMN (ORCPT ); Wed, 22 Jul 2020 18:12:13 -0400 Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 06MM6g1a019807; Wed, 22 Jul 2020 15:11:56 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0818; bh=SVerhC+9GGCE5gDkusm4mu13mYnVROxSnyAfziKMekE=; b=e9jeHI8Eov7Zs2Gwygqzmai4Gh9mDnU6ymVAuEXra7CtntjwyJ0qtGt+AHwemuISADPu VbhMMdF6lxzVF9oArRTa7SB3BkXYVlOEkvvbvPK6qkRTzS15bGsX5DIT46eeVNO8r654 VNXGpxZTQQY1t1Y2JcZvs6dHpihS07qcXiYH1GgmISatRBM6eBGA4QrpCJ8lngOErMYS xb4BFpA2u+l3JVSzerqF3WWE7YbirjJuebbgdtA74bepGJwZ4kgtMHPAb9OLJiKW2s3Q l1TlIbigo/DjusyMq92XDaA4e8+T1Rs13JaW3strRiSNZzn+JMvX6OZhQ7yzFv4W40K5 4w== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 32c0kkt0mj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 22 Jul 2020 15:11:56 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 15:11:54 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 22 Jul 2020 15:11:53 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 22 Jul 2020 15:11:53 -0700 Received: from NN-LT0049.marvell.com (NN-LT0049.marvell.com [10.193.54.6]) by maili.marvell.com (Postfix) with ESMTP id 053243F7048; Wed, 22 Jul 2020 15:11:46 -0700 (PDT) From: Alexander Lobakin To: "David S. Miller" , Jakub Kicinski CC: Alexander Lobakin , Igor Russkikh , Michal Kalderon , "Ariel Elior" , Denis Bolotin , "Doug Ledford" , Jason Gunthorpe , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , Martin KaFai Lau , Song Liu , "Yonghong Song" , Andrii Nakryiko , KP Singh , , , , , Subject: [PATCH v2 net-next 07/15] qed: simplify initialization of the chains with an external PBL Date: Thu, 23 Jul 2020 01:10:37 +0300 Message-ID: <20200722221045.5436-8-alobakin@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200722221045.5436-1-alobakin@marvell.com> References: <20200722221045.5436-1-alobakin@marvell.com> MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-07-22_16:2020-07-22,2020-07-22 signatures=0 Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org Fill PBL table parameters for chains with an external PBL data earlier on qed_chain_init_params() rather than on allocation itself. This simplifies allocation code and allows to extend struct ext_pbl for other chain types. Signed-off-by: Alexander Lobakin Signed-off-by: Igor Russkikh Signed-off-by: Michal Kalderon --- drivers/net/ethernet/qlogic/qed/qed_chain.c | 37 +++++++++++---------- 1 file changed, 19 insertions(+), 18 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qed/qed_chain.c b/drivers/net/ethernet/qlogic/qed/qed_chain.c index b60ec3e4654c..6effee3b50f4 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_chain.c +++ b/drivers/net/ethernet/qlogic/qed/qed_chain.c @@ -11,7 +11,8 @@ static void qed_chain_init_params(struct qed_chain *chain, u32 page_cnt, u8 elem_size, enum qed_chain_use_mode intended_use, enum qed_chain_mode mode, - enum qed_chain_cnt_type cnt_type) + enum qed_chain_cnt_type cnt_type, + const struct qed_chain_ext_pbl *ext_pbl) { memset(chain, 0, sizeof(*chain)); @@ -31,6 +32,13 @@ static void qed_chain_init_params(struct qed_chain *chain, chain->page_cnt = page_cnt; chain->capacity = chain->usable_per_page * page_cnt; chain->size = chain->elem_per_page * page_cnt; + + if (ext_pbl && ext_pbl->p_pbl_virt) { + chain->pbl_sp.table_virt = ext_pbl->p_pbl_virt; + chain->pbl_sp.table_phys = ext_pbl->p_pbl_phys; + + chain->b_external_pbl = true; + } } static void qed_chain_init_next_ptr_elem(const struct qed_chain *chain, @@ -230,8 +238,7 @@ static int qed_chain_alloc_single(struct qed_dev *cdev, return 0; } -static int qed_chain_alloc_pbl(struct qed_dev *cdev, struct qed_chain *chain, - struct qed_chain_ext_pbl *ext_pbl) +static int qed_chain_alloc_pbl(struct qed_dev *cdev, struct qed_chain *chain) { struct device *dev = &cdev->pdev->dev; struct addr_tbl_entry *addr_tbl; @@ -253,21 +260,14 @@ static int qed_chain_alloc_pbl(struct qed_dev *cdev, struct qed_chain *chain, chain->pbl.pp_addr_tbl = addr_tbl; - if (ext_pbl) { - size = 0; - pbl_virt = ext_pbl->p_pbl_virt; - pbl_phys = ext_pbl->p_pbl_phys; + if (chain->b_external_pbl) + goto alloc_pages; - chain->b_external_pbl = true; - } else { - size = array_size(page_cnt, sizeof(*pbl_virt)); - if (unlikely(size == SIZE_MAX)) - return -EOVERFLOW; - - pbl_virt = dma_alloc_coherent(dev, size, &pbl_phys, - GFP_KERNEL); - } + size = array_size(page_cnt, sizeof(*pbl_virt)); + if (unlikely(size == SIZE_MAX)) + return -EOVERFLOW; + pbl_virt = dma_alloc_coherent(dev, size, &pbl_phys, GFP_KERNEL); if (!pbl_virt) return -ENOMEM; @@ -275,6 +275,7 @@ static int qed_chain_alloc_pbl(struct qed_dev *cdev, struct qed_chain *chain, chain->pbl_sp.table_phys = pbl_phys; chain->pbl_sp.table_size = size; +alloc_pages: for (i = 0; i < page_cnt; i++) { virt = dma_alloc_coherent(dev, QED_CHAIN_PAGE_SIZE, &phys, GFP_KERNEL); @@ -325,7 +326,7 @@ int qed_chain_alloc(struct qed_dev *cdev, } qed_chain_init_params(chain, page_cnt, elem_size, intended_use, mode, - cnt_type); + cnt_type, ext_pbl); switch (mode) { case QED_CHAIN_MODE_NEXT_PTR: @@ -335,7 +336,7 @@ int qed_chain_alloc(struct qed_dev *cdev, rc = qed_chain_alloc_single(cdev, chain); break; case QED_CHAIN_MODE_PBL: - rc = qed_chain_alloc_pbl(cdev, chain, ext_pbl); + rc = qed_chain_alloc_pbl(cdev, chain); break; default: return -EINVAL;