From patchwork Fri Feb 7 16:56:40 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Abdul Rahim, Faizal" X-Patchwork-Id: 13965568 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 91A96C02194 for ; Fri, 7 Feb 2025 18:16:37 +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=7J0r4qdpm9ogCxxEXCmuWQ05YmyiQ/JmT0n5JH2LdWs=; b=M914kYJzvhYxKjqxP3agw5jZKm GU+ECpubJ6jClG8J2Xd4tmbX7aeIQ/bDA7Rit+eVdaEoh5Bk6pjWpkT88ZofLmzOiAWyd8u9eXN6W W6agjMvJcY84CIwCobobCe/ANUE/bammGgS0th/sjALcgIBdwh6X4CJOrz+zqMneuiSGglJzk76Gj GDROdQ68+Buyj5s5/WWDmP9fvjStaIcSrNvf+cNXClX3LXN/Twoc6G/zAe9MSNU4oyK/mirp+uPhE TAtVKurWQrX5lfp6CklyG4QWeVvmwthegeDhbbTwKElJoc6aIZejk2vYLY+my6mFA6E87pxH3DD0L bUGmwjeg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tgStx-0000000Aedz-0Rw7; Fri, 07 Feb 2025 18:16:29 +0000 Received: from mgamail.intel.com ([198.175.65.16]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tgRf5-0000000ANjn-3TTh for linux-arm-kernel@lists.infradead.org; Fri, 07 Feb 2025 16:57:05 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738947424; x=1770483424; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=yi+lqoiaOf90NYBk5ORhTmBVwnJwPtvDSnNF5mudk+g=; b=j6T8XvNsrvlBhFTX8bkndeB4C3O358LEoTsm3Zgwx+gUNtSkytlqSAib Cw2gwQsy8f4cbKBYOX9Y2LadQ5e9JvKPwSLaefO3NzSvalxvJO8DdI6fJ dRpPWsGnwkBg3YAL4FDsTUf/7h2UhQgZpXvO7aixdc9XTv+DYqZGclgtq xdxKwHo6gIqRfLgK9Jl75xijWIadAsLhe0e6harqEySwy2+ZxHtzU9lAf Ya7ASdXpafSh1lKe2MoUGr5KIeQgC2lxjrcUIFHZPp5sSWG9ExKuYpp6t hHtiRZSflCyt3dsdLNCYzXqO7vZ7cm5S7BOIR0ZDCFEQkQUT/tXpThKa8 Q==; X-CSE-ConnectionGUID: ApmhYCC6TkSMB0uN6y4XwA== X-CSE-MsgGUID: nohHQRUOS6KnQN/dUvgcEg== X-IronPort-AV: E=McAfee;i="6700,10204,11338"; a="39722847" X-IronPort-AV: E=Sophos;i="6.13,267,1732608000"; d="scan'208";a="39722847" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Feb 2025 08:57:03 -0800 X-CSE-ConnectionGUID: n988hgUKQKeTWgip6bqsFQ== X-CSE-MsgGUID: nVQxFxGYRYCqIs7rWWjTuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,267,1732608000"; d="scan'208";a="111534437" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by orviesa006.jf.intel.com with ESMTP; 07 Feb 2025 08:56:53 -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 , Furong Xu <0x1207@gmail.com>, Russell King , Vladimir Oltean , Serge Semin , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , Andrew Halaney , Choong Yong Liang , Faizal Rahim , 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 v3 0/9] igc: Add support for Frame Preemption feature in IGC Date: Fri, 7 Feb 2025 11:56:40 -0500 Message-Id: <20250207165649.2245320-1-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-20250207_085703_942874_E5F173FC X-CRM114-Status: GOOD ( 12.91 ) 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: v2 -> v3: - Implement configure_tx() mmsv callback (Vladimir) - Use static_branch_inc() and static_branch_dec() (Vladimir) - Add adapter->fpe.mmsv.pmac_enabled as extra check (Vladimir) - Remove unnecessary error check in igc_fpe_init_tx_descriptor() (Vladimir) - Additional places to use FIELD_PREP() instead of manual bit manipulation (Vladimir) - IGC_TXD_POPTS_SMD_V and IGC_TXD_POPTS_SMD_R type change to enum (Vladimir) - Remove unnecessary netif_running() check in igc_fpe_xmit_frame (Vladimir) - Rate limit print in igc_fpe_send_mpacket (Vladimir) 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/ v2: https://patchwork.kernel.org/project/netdevbpf/cover/20250205100524.1138523-1-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 | 18 +- drivers/net/ethernet/intel/igc/igc_base.h | 1 + drivers/net/ethernet/intel/igc/igc_defines.h | 16 +- drivers/net/ethernet/intel/igc/igc_ethtool.c | 76 ++++++ drivers/net/ethernet/intel/igc/igc_main.c | 101 +++++++- drivers/net/ethernet/intel/igc/igc_regs.h | 16 ++ drivers/net/ethernet/intel/igc/igc_tsn.c | 220 ++++++++++++++++- 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 | 61 +++++ net/ethtool/mm.c | 224 +++++++++++++++++- 15 files changed, 794 insertions(+), 217 deletions(-) --- 2.34.1