From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82577C28CC5 for ; Wed, 5 Jun 2019 13:21:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 585F120866 for ; Wed, 5 Jun 2019 13:21:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="mRYi4qcN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728036AbfFENUT (ORCPT ); Wed, 5 Jun 2019 09:20:19 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:38062 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727947AbfFENUQ (ORCPT ); Wed, 5 Jun 2019 09:20:16 -0400 Received: by mail-lj1-f196.google.com with SMTP id o13so23088453lji.5 for ; Wed, 05 Jun 2019 06:20:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=AdSMTsu+LtgUCnPNRXGwSYsCPQyqbNfQqw5/RcvDJNQ=; b=mRYi4qcNVbZ//c6G57A5oDbp2t2NbASCzTsCDdchf6yJyjEu+CCRyMzKu+9CKFoid3 ZwHgGIiAW5HvrqKBJ1X5jiXV8j+0CWCui9NP5egRT36VcapZyU/vhp6SCCBuya6WqE09 EJI5NV/HOBQBQfIBMKnZYUXlDbPa5bHZf929T1qOP8lEPB6+5X4JX3FTK/mOgRyEjxPo NR9mpIYi6oFT+jPz7XZ9EZc54Uv5lBo2CILwvY4E+3997zzLyyuwJiHIM/f3AzUS5BuF Ott0Mezc+lVW/EK674CogiBpGozPsRXV/dA4sdWr0gp2tJ/mtnknDAgMwxIU0+VWMBe/ l5IA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=AdSMTsu+LtgUCnPNRXGwSYsCPQyqbNfQqw5/RcvDJNQ=; b=RRlc/8jmVaEMANDNZtrInyzUuK61Cr/dLYc/8B/a96a2H5MYemBOBi6ZzvMzyg0en5 gVcX8qNj78yxugPJYETi7MU1DFbWMQ5X7aNaw6h0Ki3p/xQ97w9DsvHF5Km56e0iqSbA TOkiYeyDi/1DjISwkq3kRCM4IxdkVxEILQTpNdGjHA7zXXv9czbp267Mcse43k9PhxNr ZWQsSCRHKfmS/qc7nLYkQEbVVGHbT1IZER7lmPrh2sSyPWgyUkQdgcy/zNZDILvo3iYB 1oou5fJ6FjsyjI7n2xXMnKDOrBBv/4MCYFPDwdu97cOhOq1MqiDDwWgFOOT2e0Vo4Fat uH+g== X-Gm-Message-State: APjAAAVOH8LjhEHFfhKEe4cMWlXsuNJZ5q3m28hI2RYTjJmX6XRZo0bJ /uZ3ify8i/Hsz5K8CNFhvyaDFQ== X-Google-Smtp-Source: APXvYqxvv58TgjJcuU4yrUeNFAHBwd42aANAPZB41bOxwg874J6YPY976CnnpFzfO0Rvt1BD4pVGQw== X-Received: by 2002:a2e:9c03:: with SMTP id s3mr6004919lji.209.1559740814483; Wed, 05 Jun 2019 06:20:14 -0700 (PDT) Received: from localhost.localdomain (59-201-94-178.pool.ukrtel.net. [178.94.201.59]) by smtp.gmail.com with ESMTPSA id t3sm1893259lfk.59.2019.06.05.06.20.13 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 05 Jun 2019 06:20:13 -0700 (PDT) From: Ivan Khoronzhuk To: grygorii.strashko@ti.com, hawk@kernel.org, davem@davemloft.net Cc: ast@kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, xdp-newbies@vger.kernel.org, ilias.apalodimas@linaro.org, netdev@vger.kernel.org, daniel@iogearbox.net, jakub.kicinski@netronome.com, john.fastabend@gmail.com, Jesper Dangaard Brouer , Ivan Khoronzhuk Subject: [PATCH v3 net-next 1/7] net: page_pool: add helper function to retrieve dma addresses Date: Wed, 5 Jun 2019 16:20:03 +0300 Message-Id: <20190605132009.10734-2-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190605132009.10734-1-ivan.khoronzhuk@linaro.org> References: <20190605132009.10734-1-ivan.khoronzhuk@linaro.org> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Ilias Apalodimas On a previous patch dma addr was stored in 'struct page'. Use that to retrieve DMA addresses used by network drivers Signed-off-by: Ilias Apalodimas Signed-off-by: Jesper Dangaard Brouer Signed-off-by: Ivan Khoronzhuk --- include/net/page_pool.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/net/page_pool.h b/include/net/page_pool.h index 694d055e01ef..b885d86cb7a1 100644 --- a/include/net/page_pool.h +++ b/include/net/page_pool.h @@ -132,6 +132,11 @@ static inline void page_pool_recycle_direct(struct page_pool *pool, __page_pool_put_page(pool, page, true); } +static inline dma_addr_t page_pool_get_dma_addr(struct page *page) +{ + return page->dma_addr; +} + static inline bool is_page_pool_compiled_in(void) { #ifdef CONFIG_PAGE_POOL -- 2.17.1