From patchwork Wed Feb 5 10:05:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faizal Rahim X-Patchwork-Id: 13960772 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 309F0C02194 for ; Wed, 5 Feb 2025 10:07:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=jDFyUxRhNp/jKYB4Etkvk2Pc8c1Tm5NPjMbKVb1ch78=; b=RYeO/QEzteJ1fTb1V2hIgQKpCK Gh+k+mtpkTMV5lhZu+XglYcseYhYdnBzPV27apiH+RNR69x0ZrZCk068+sfvG9PPAKEQurVV87O3G MyzqSDsJ14OSJBxQML0Ck76OxxA46D+8meYITZMoMXaDAYCKNI6NMBJZkDCQiXxfo8eniSPh2uita /3kF+kd2phAxpP4dexP6kX3Y6+1i0zVcVjG+tkPjhPzLg8uq1j2np2Wk4PsU3KmSDdKLGgyNZYlS3 NQRYu/wfXTFpGFoQogb3lL5R0eaPp2+eAdqKhWy0vVzz7QCGNnMVBf+PjUHdpsAbxt0VtE+HOV1G2 MIdWMeig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tfcJn-00000002or0-2pyC; Wed, 05 Feb 2025 10:07:39 +0000 Received: from mgamail.intel.com ([198.175.65.21]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tfcHo-00000002oIx-4111 for linux-arm-kernel@lists.infradead.org; Wed, 05 Feb 2025 10:05:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738749937; x=1770285937; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=oaE6MvXosBwRaUfGg7gC0cYDCnNk9prSVztT1QQcdj0=; b=EZysslV0DBKB/qM53pHHXipmZwWjWxFLXM++jKU8UvgOBeYbQidBQzlI wKVhuIvL0AhasUIe902zvLC5yKhdaOoudX06mCgBfs7VQo7p6do9WEqRU OgL+JUp85GEcojHLTDhlXLzs8/1vDmdqViDL/8XMwi8QVo3htP5O78IY4 9MWYpo91Ay6GXTUwLMwaorBfGmDINDQONUS1GPcILcBQI93ziaoe8uWg5 5Vld1oFa1nmsc6/6dtDNu38gP3L3Oaf/QNSytGeB9m+5SCNDXYBquUOWl SXXnKFR7f1OJrcRPZwYjY7xpGsFB6a4dEXG/McvLlox3JSrLAQ1LBoEpu Q==; X-CSE-ConnectionGUID: OzfQQEZwTbm5rLsiQ9mVng== X-CSE-MsgGUID: E9XKvXQGRJKTqHNuIG4OWg== X-IronPort-AV: E=McAfee;i="6700,10204,11336"; a="39204631" X-IronPort-AV: E=Sophos;i="6.13,261,1732608000"; d="scan'208";a="39204631" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Feb 2025 02:05:35 -0800 X-CSE-ConnectionGUID: RaRy/qV4SDObdLKqG2hLRg== X-CSE-MsgGUID: 86KMttjBS/m9E6JVm5lvUw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="111297683" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by orviesa007.jf.intel.com with ESMTP; 05 Feb 2025 02:05:27 -0800 From: Faizal Rahim To: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , Simon Horman , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Russell King , Furong Xu <0x1207@gmail.com>, Vladimir Oltean , Serge Semin , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Petr Tesarik , Faizal Rahim , Choong Yong Liang , Kunihiko Hayashi , Vinicius Costa Gomes , intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, bpf@vger.kernel.org Subject: [PATCH iwl-next v2 0/9] igc: Add support for Frame Preemption feature in IGC Date: Wed, 5 Feb 2025 05:05:15 -0500 Message-Id: <20250205100524.1138523-1-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250205_020537_041404_7CD3A9EC X-CRM114-Status: GOOD ( 12.22 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Introduces support for the FPE feature in the IGC driver. The patches aligns with the upstream FPE API: https://patchwork.kernel.org/project/netdevbpf/cover/20230220122343.1156614-1-vladimir.oltean@nxp.com/ https://patchwork.kernel.org/project/netdevbpf/cover/20230119122705.73054-1-vladimir.oltean@nxp.com/ It builds upon earlier work: https://patchwork.kernel.org/project/netdevbpf/cover/20220520011538.1098888-1-vinicius.gomes@intel.com/ The patch series adds the following functionalities to the IGC driver: a) Configure FPE using `ethtool --set-mm`. b) Display FPE settings via `ethtool --show-mm`. c) View FPE statistics using `ethtool --include-statistics --show-mm'. e) Enable preemptible/express queue with `fp`: tc qdisc add ... root taprio \ fp E E P P Change Log: v1 -> v2: - Extract the stmmac verification logic into a common library (Vladimir) - igc to use common library for verification (Vladimir) - Fix syntax for kernel-doc to use "Return:" (Vladimir) - Use FIELD_GET instead of manual bit masking (Vladimir) - Don't assign 0 to statistics counter in igc_ethtool_get_mm_stats() (Vladimir) - Use pmac-enabled as a condition to allow MAC address value 0 (Vladimir) - Define macro register value in increasing value order (Vladimir) - Fix tx-min-frag-size handling for igc (Vladimir) - Handle link state changes with verification in igc (Vladimir) - Add static key for fast path code (Vladimir) - rx_min_frag_size get from constant (Vladimir) v1: https://patchwork.kernel.org/project/netdevbpf/cover/20241216064720.931522-1-faizal.abdul.rahim@linux.intel.com/ Faizal Rahim (8): igc: Rename xdp_get_tx_ring() for non-xdp usage igc: Optimize the TX packet buffer utilization igc: Set the RX packet buffer size for TSN mode igc: Add support for frame preemption verification igc: Add support to set tx-min-frag-size igc: Add support for preemptible traffic class in taprio igc: Add support to get MAC Merge data via ethtool igc: Add support to get frame preemption statistics via ethtool Vladimir Oltean (1): net: ethtool: mm: extract stmmac verification logic into common library drivers/net/ethernet/intel/igc/igc.h | 17 +- drivers/net/ethernet/intel/igc/igc_defines.h | 19 +- drivers/net/ethernet/intel/igc/igc_ethtool.c | 74 ++++++ drivers/net/ethernet/intel/igc/igc_main.c | 96 +++++++- drivers/net/ethernet/intel/igc/igc_regs.h | 16 ++ drivers/net/ethernet/intel/igc/igc_tsn.c | 210 +++++++++++++++- drivers/net/ethernet/intel/igc/igc_tsn.h | 34 +++ drivers/net/ethernet/stmicro/stmmac/stmmac.h | 16 +- .../ethernet/stmicro/stmmac/stmmac_ethtool.c | 41 +--- .../net/ethernet/stmicro/stmmac/stmmac_fpe.c | 174 +++----------- .../net/ethernet/stmicro/stmmac/stmmac_fpe.h | 5 - .../net/ethernet/stmicro/stmmac/stmmac_main.c | 8 +- include/linux/ethtool.h | 62 +++++ net/ethtool/mm.c | 225 +++++++++++++++++- 14 files changed, 780 insertions(+), 217 deletions(-) --- 2.34.1