From patchwork Wed Sep 12 09:02:36 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ilias Apalodimas X-Patchwork-Id: 146523 Delivered-To: patch@linaro.org Received: by 2002:a2e:1648:0:0:0:0:0 with SMTP id 8-v6csp4574648ljw; Wed, 12 Sep 2018 02:02:50 -0700 (PDT) X-Google-Smtp-Source: ANB0VdY5M+JAl3c9nzy8rV6aLH0wsUdpbD7ppvPnMAaASQodEE4h0msncv7fGCblWKgJb4alwnYj X-Received: by 2002:a17:902:8541:: with SMTP id d1-v6mr1036292plo.81.1536742970514; Wed, 12 Sep 2018 02:02:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1536742970; cv=none; d=google.com; s=arc-20160816; b=n+sIAQY3hxDpHd3UA4gU7tbod5Ocr4Ep31Y8UfPfaBS+K/DVuGsQ6zfgtZNtdzQnd9 MWVT6UdBQfIyuF3661iwzBG/etX4wTRIS+/avOuHypuqvKjOcC+ca5uB8nVYit8ckFLi Mbj5bzeiRXCEOzMacPvWyVJhA0ji5lOQdkfzO76sSzK+bsN4P+yLN3d1yJU9eOP8oMGO r3IM//wzkOFb1tc8lFo5BNpiygOn4ZroM2sCmbl47aIR4KGGdbJ3ZJX3/VbIIjjwi6HI med+pxnjcRk4xHmKTgab9UVGCwO6KuAvnThNpBP2XcUmkxbbN60r35jN4ROrxQBd4qKL vQdA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature; bh=SlQQbSb3gsM42LEUcRAnRkL0G51bFsIihvttFEcj8SQ=; b=sxaey3+Rs6H0P9rVK0ppSa5/8pia6pOEQ/WAs+813qgryZMgTnVonmlazAYvNQ0UGR JnjNC2/glyqB+zoomZLhR+LQ70u7/F6OWt5/V6GTIvSU9hZoEkrFw7SmqOm7m/7x3Te6 QS8Fuir54CGr3uY8+hTxdKiKUJbrHbsxmRV9GmTYJylf/lj7PskZJtthWVB8DS9Q3e+6 O76v5+QrWfkdZaLgVEzsJcpb4umpDTWnDGydaTsKWEGxDRcAttqjV9eUPWkidGOaKHoX WpSla1ncFMzQSPW6sqmQVRmPiJ9baKOe8Zyk1R3wFJtCjuiWKqJqagubTpVRsSOD2q3f Exxw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=gdqoi34m; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id w14-v6si415729plp.183.2018.09.12.02.02.50; Wed, 12 Sep 2018 02:02:50 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=gdqoi34m; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727805AbeILOGX (ORCPT + 10 others); Wed, 12 Sep 2018 10:06:23 -0400 Received: from mail-wm0-f68.google.com ([74.125.82.68]:33977 "EHLO mail-wm0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726919AbeILOGX (ORCPT ); Wed, 12 Sep 2018 10:06:23 -0400 Received: by mail-wm0-f68.google.com with SMTP id j25-v6so9927983wmc.1 for ; Wed, 12 Sep 2018 02:02:47 -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; bh=SlQQbSb3gsM42LEUcRAnRkL0G51bFsIihvttFEcj8SQ=; b=gdqoi34mqWpH0ZbE9GT5Xx5u/Nudpw+kzkbCLpxqAuN68G2oQKbbcKCwapZQQhR/lI 7fd0jRLXs6anrGYuB6rBVeTz2M1h0gpACMZmF31zCSptwaFisbAeuDl2JbuH0hgPaP5q RwLU8rNRh7P7awi9HsxpSbJAjZfAe0akZ5WFw= 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; bh=SlQQbSb3gsM42LEUcRAnRkL0G51bFsIihvttFEcj8SQ=; b=pb3IMBlVvpowtDmCUv042trSWnim91vDSySuRfaNEdzJ71L/WivhvEUEaMH+yLNLp3 PbX/Cd5j4SWKfa9nFGzqD5ay93RR7KatLORk6/aNEAmOwtUK3M23di/e1D1TinnlUbzP 2TA6iHC1dm8JxGMTrB7/qatTNY8uoEtMTUP0p/w2enhF2OYmThoEKxz4iXVC+XnMtt3b CkMQuyt8eGNVdnmNAc6rjCK3WBqUTlVFbQTRa9vHx5VyL3FZOFJl4X5kyg0uixmsY8Gy IbjUF74ntf9RQzWs9RfkB0foE6pl6kL0AZcyc/t1m5y+TwBnZTslblriRCAsU7x8dAbg X7DQ== X-Gm-Message-State: APzg51AvgUlbxQ8htZL5tb8/0ZL8g+JTSLS17Z4sgQsF426PntBku4ba Qt/5NK9aeInP88LcL5Orq1hiBAB7MnQ= X-Received: by 2002:a1c:40d5:: with SMTP id n204-v6mr911599wma.44.1536742966753; Wed, 12 Sep 2018 02:02:46 -0700 (PDT) Received: from localhost.localdomain ([2a02:587:4607:6a00:2e56:dcff:fe9a:8f06]) by smtp.gmail.com with ESMTPSA id x15-v6sm301572wrt.53.2018.09.12.02.02.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 12 Sep 2018 02:02:45 -0700 (PDT) From: Ilias Apalodimas To: netdev@vger.kernel.org, jaswinder.singh@linaro.org Cc: ard.biesheuvel@linaro.org, masami.hiramatsu@linaro.org, arnd@arndb.de, mykyta.iziumtsev@linaro.org, bjorn.topel@intel.com, magnus.karlsson@intel.com, brouer@redhat.com, daniel@iogearbox.net, ast@kernel.org, Ilias Apalodimas Subject: [net-next, PATCH 0/2, v2] net: socionext: add XDP support Date: Wed, 12 Sep 2018 12:02:36 +0300 Message-Id: <1536742958-29887-1-git-send-email-ilias.apalodimas@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This patch series adds AF_XDP support socionext netsec driver In addition the new dma allocation scheme offers a 10% boost on Rx pps rate using 64b packets - patch [1/2]: Use a different allocation scheme for Rx DMA buffers to prepare the driver for AF_XDP support - patch [2/2]: Add XDP support without zero-copy Changes since v1: - patch [2/2]: - Rephrased commit message - As pointed out by Toshiaki Makita: - Added XDP_PACKET_HEADROOM - Fixed a bug on XDP_PASS case as pointed out by Toshiaki Makita - Using extact for error messaging instead of netdev_warn, when tryint to setup XDP as suggested by Toshiaki Makita Ilias Apalodimas (2): net: socionext: different approach on DMA net: socionext: add XDP support drivers/net/ethernet/socionext/netsec.c | 449 ++++++++++++++++++++++++-------- 1 file changed, 334 insertions(+), 115 deletions(-) -- 2.7.4