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 79984C28CC0 for ; Thu, 30 May 2019 18:21:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 565D225F6B for ; Thu, 30 May 2019 18:21:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="NTEyy87m" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726723AbfE3SUz (ORCPT ); Thu, 30 May 2019 14:20:55 -0400 Received: from mail-lj1-f196.google.com ([209.85.208.196]:37145 "EHLO mail-lj1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726566AbfE3SUx (ORCPT ); Thu, 30 May 2019 14:20:53 -0400 Received: by mail-lj1-f196.google.com with SMTP id h19so7014514ljj.4 for ; Thu, 30 May 2019 11:20:51 -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=NTEyy87mbpZennf/zO3UY3SG/jU34eWt9oBeag4D8YjahXlGpvo7jFJ45TsemIdnir GDDTpbKLurGeDuALSvM6j7s2xNdezurfEaq3Do0FdVu1zSrcVUfBnzEjlX9CPvMPhzYJ syvG28Ahiha6P8q/z1kIyl0178d00DQHN+sX/j5wk8ko44/63zLEGfJyi7VPUdIJ0LKG TgaTpYJ6tpJG3xAZrI95TMKLk8q+WGk0L19nUTHjuhUVz5EeWBCSPoZe7eWVxtRSZtYW kYjH1/WFTyKdQ+VO2y6VV9nuGp1SruffgOv8KjxhvVfDhLZ+qlpEcUfBKzBd6xbaakTA 2nxA== 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=Nw0mzkoP43Y6rukojwHTWrUzdgF5pdcQAphtsoECTJXg4OtZIiIaj4gO6WIqL7JPPs UXOyiFW+rLOLsJITkabwvYjhKqGDol1BNaaNYGc+UirKUL9vKmNvVK1gaol+SngC/65q UkJWEDDsHSkzhD+2XvauktICf8o92GfEC+opumPu7ceNE33O7NZYB1Sf8HAH/NBnC1ti jqsJ/gCtg2ynhBhaQIqPIlN+96SyC/p8nr3W/qkBS9u6Zu8sdZFaL3o0RacWpo+zFzu1 fYgmPoOV4tq+WXgpOwBjFDAkoS5G/0+BhNi+8rDdg8oX9qcw11Z7SiVulAL6P4633jd2 3yEA== X-Gm-Message-State: APjAAAUFzGwoD+Hzj2tSz9Vbl2fWbyAeyoEu26HlagGegcVcK/JEjtwX YIZeQtv1bX1pc+KoSCDr15ZsSw== X-Google-Smtp-Source: APXvYqwcOOLVdQF2eRwE44U7qP1o+9tRsDYFuMaBYPD6l5MItx//FH0w80EsZyjHpAQDOz9EOA3SFQ== X-Received: by 2002:a2e:9756:: with SMTP id f22mr3083605ljj.30.1559240451067; Thu, 30 May 2019 11:20:51 -0700 (PDT) Received: from localhost.localdomain (59-201-94-178.pool.ukrtel.net. [178.94.201.59]) by smtp.gmail.com with ESMTPSA id v7sm388946lfe.11.2019.05.30.11.20.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 30 May 2019 11:20:50 -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 v2 net-next 1/7] net: page_pool: add helper function to retrieve dma addresses Date: Thu, 30 May 2019 21:20:33 +0300 Message-Id: <20190530182039.4945-2-ivan.khoronzhuk@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190530182039.4945-1-ivan.khoronzhuk@linaro.org> References: <20190530182039.4945-1-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