From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 033C623FC52; Mon, 19 May 2025 07:20:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.9 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747639239; cv=none; b=Ah6bQ7kJ54i4/21MNy77MpYV+HQikXu7sm0roYdsE/eIsoCG+d13aaG4DhvIaFW5LkJpVRtQxhw9GkFvQMEUyiAWWEU6ibAacGUPalGtF2ReyA9BvfMFuc823O3FleQBQdqoygEoDRbSts5LE0teCIyZH4TecNoK/5hpC0pPEF4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747639239; c=relaxed/simple; bh=Y+C59h/qCKqtCEBhRtM+dfq6uWu6DUbfGTucGvd/FNA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version:Content-Type; b=WN0lckdoiytUVOyjZysL0YGW+MdH/5kqohxRKbzQ8/Bs7gKoDoFKeCLA457N13Ls20dHugtB3eAfcgwhoCkHKTRZ3uRluyZmCVdwb8W7NdyGSLfkQLoNQZti+iJLEn+VAq3Xj5mpYPSCpMSQp5f89JKInBgdYgyk6bqzfg42+/0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=Gsb3TWj/; arc=none smtp.client-ip=198.175.65.9 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="Gsb3TWj/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747639238; x=1779175238; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=Y+C59h/qCKqtCEBhRtM+dfq6uWu6DUbfGTucGvd/FNA=; b=Gsb3TWj/1q8wyF9haA6I+WU6fzs8np1GRtUnNGLTm0DNp5K5I5DLkb3Z X2Dpy38xMiLkxjTjlddQGLQFmYcrHohd4DKhc35vc4noi02Le/0vzWCQZ 18xKgkSOL45FhjkSKjtodEb8tU3SENnXJcK0AYNWGP8suRphKTY2mxPI+ sBIypJDi661F6grmrX/6Ks0WKZz/5v5SmdorEkO9fegg4xxAxtNc0BmyE EcHoWxZZncL5auTjubccG2KBiPFycaW2Iut4f2Im04Zw4aKfjJwxhD8kA QYVELmQO8/vX7mGooXAHtFMHNoK/mbzhxw6M22PM9OZmKNCINBTNTzZOc w==; X-CSE-ConnectionGUID: q4oOD9CoRvaI+9g/rfa++Q== X-CSE-MsgGUID: h7FH46yASCOO7goIbrsVXA== X-IronPort-AV: E=McAfee;i="6700,10204,11437"; a="72030685" X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="72030685" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 00:20:37 -0700 X-CSE-ConnectionGUID: YyPRf72qRi2gzLQRKklzKA== X-CSE-MsgGUID: mvKcYUVhR9WuQj+iar3zTg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="139798719" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by orviesa007.jf.intel.com with ESMTP; 19 May 2025 00:20:34 -0700 From: "Abdul Rahim, Faizal" To: Tony Nguyen , Przemek Kitszel , Andrew Lunn , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Vladimir Oltean Cc: intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Simon Horman , Faizal Rahim , Aleksandr Loktionov , Chwee-Lin Choong Subject: [PATCH iwl-next v3 0/7] igc: harmonize queue priority and add preemptible queue support Date: Mon, 19 May 2025 03:19:04 -0400 Message-Id: <20250519071911.2748406-1-faizal.abdul.rahim@intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Faizal Rahim MAC Merge support for frame preemption was previously added for igc: https://patchwork.kernel.org/project/netdevbpf/patch/20250318030742.2567080-1-faizal.abdul.rahim@linux.intel.com/ This series builds on that work and adds support for: - Harmonizing taprio and mqprio queue priority behavior, based on past discussions and suggestions: https://lore.kernel.org/all/20250214102206.25dqgut5tbak2rkz@skbuf/ - Enabling preemptible queue support for both taprio and mqprio, with priority harmonization as a prerequisite. Patch organization: - Patches 1–3: Preparation work for patches 6 and 7 - Patches 4–5: Queue priority harmonization - Patches 6–7: Add preemptible queue support v3 changes: - v2: https://patchwork.kernel.org/project/netdevbpf/cover/20250514042945.2685273-1-faizal.abdul.rahim@linux.intel.com/ - Patch 8 fixes a HW limitation and should precede preemption support. Merged into patch 6. (Simon) - Add Reviewed-by tag from Simon for patch 1-5 v2 changes: - v1: https://patchwork.kernel.org/project/netdevbpf/cover/20250428060225.1306986-1-faizal.abdul.rahim@linux.intel.com/ - Move RXDCTL macros for consistency with TXDCTL (Ruinskiy, Dima) - Rename RX descriptor control macros with RXDCTL prefix (Ruinskiy, Dima) - Add FPE acronym explanation in commit description (Loktionov, Aleksandr) - Add Reviewed-by tag from Aleksandr for patch 6 Faizal Rahim (7): igc: move TXDCTL and RXDCTL related macros igc: add DCTL prefix to related macros igc: refactor TXDCTL macros to use FIELD_PREP and GEN_MASK igc: assign highest TX queue number as highest priority in mqprio igc: add private flag to reverse TX queue priority in TSN mode igc: add preemptible queue support in taprio igc: add preemptible queue support in mqprio drivers/net/ethernet/intel/igc/igc.h | 33 +++++- drivers/net/ethernet/intel/igc/igc_base.h | 8 -- drivers/net/ethernet/intel/igc/igc_defines.h | 1 + drivers/net/ethernet/intel/igc/igc_ethtool.c | 12 +- drivers/net/ethernet/intel/igc/igc_main.c | 56 ++++++--- drivers/net/ethernet/intel/igc/igc_tsn.c | 116 ++++++++++++++++--- drivers/net/ethernet/intel/igc/igc_tsn.h | 5 + 7 files changed, 188 insertions(+), 43 deletions(-) -- 2.34.1