From patchwork Fri Apr 18 16:38:18 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Nguyen X-Patchwork-Id: 14057452 X-Patchwork-Delegate: kuba@kernel.org Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.12]) (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 710CC21506D; Fri, 18 Apr 2025 16:38:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.12 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744994325; cv=none; b=qiMbIIjTJtPrP5J0uap9LYCFOw/jH2Qjybj744jhLNhlnrhkD3DeTkW8Zv8ozkQGULVRTgKyS1OgjC166yr0mzB5c/ev7X3q+bFkgt8Ng1o0vYuv18AVX1bLsSLUf3Vt9MW1u/ipLUx2Sb6jXEg2sFgtSnGa/hfZkkeGWXY/Au4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744994325; c=relaxed/simple; bh=JoqQNz8OLob/5bEzIJxMhxwCkynn9Yc2FkpHNkdjefY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=me3zo31tmX5CwP07329WfyLXenzAimeXktrYhWcRFmshEyAJBH0mFBB6mo9IrcAtF0qV9LuzJMFZvVqo5bLg78CINL7Pl6NRWoqX6E2ltN1JfRAvlg+qhh1bODedfJbNd29ErZfFvhW3YAyiRPP4JfqIumNASKxWDm4P/gyLA8o= 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=a2SUrGMi; arc=none smtp.client-ip=192.198.163.12 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="a2SUrGMi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1744994324; x=1776530324; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JoqQNz8OLob/5bEzIJxMhxwCkynn9Yc2FkpHNkdjefY=; b=a2SUrGMi7jsgPePE7GPbAlpam7Iyp+GlmPhXLEWU3IlaatCj9WylNbXQ 7uL6Lh8IHHhcfKgF3lFdNL//rlHhdIeOSQcOw/4fsQfNnBxvFsQFKK/UL XKCIYPJoFESQRmiMRt3T9u8TJRACAzSjweHwVHoKjF0Basxhhx49M5fGw zkhoiT6eWRdhiRlf1IX587r56NOKBd3XcRl3kZw8t3ud0plpzdBSpglFo hMRb/Zknt1EopvbgAEJ1y7d2BIkOASx3oYPUZ9R/GVPMo+801y9o5x9da OjcejUK06YqUUF2EQ59LZoLk/HeCz+0LqKk1WEwCoAtYPMtlQ1jP9FljR g==; X-CSE-ConnectionGUID: HR3KpahPQ7u+niuhWMVVvg== X-CSE-MsgGUID: 5Rm392VjTPu0XlYKUF6SrA== X-IronPort-AV: E=McAfee;i="6700,10204,11407"; a="50454507" X-IronPort-AV: E=Sophos;i="6.15,222,1739865600"; d="scan'208";a="50454507" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Apr 2025 09:38:38 -0700 X-CSE-ConnectionGUID: x5bhBfRWTI+VCkQSQ+uQfQ== X-CSE-MsgGUID: RSZtZWK6R1exQ/h9PwPBrw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,222,1739865600"; d="scan'208";a="130892293" Received: from anguy11-upstream.jf.intel.com ([10.166.9.133]) by orviesa009.jf.intel.com with ESMTP; 18 Apr 2025 09:38:37 -0700 From: Tony Nguyen To: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, andrew+netdev@lunn.ch, netdev@vger.kernel.org Cc: Faizal Rahim , anthony.l.nguyen@intel.com, vinicius.gomes@intel.com, vitaly.lifshits@intel.com, dima.ruinskiy@intel.com, przemyslaw.kitszel@intel.com, chwee.lin.choong@intel.com, yong.liang.choong@linux.intel.com, vladimir.oltean@nxp.com, horms@kernel.org, linux@armlinux.org.uk, xiaolei.wang@windriver.com, hayashi.kunihiko@socionext.com, ast@kernel.org, jesper.nilsson@axis.com, mcoquelin.stm32@gmail.com, rmk+kernel@armlinux.org.uk, fancer.lancer@gmail.com, kory.maincent@bootlin.com, linux-stm32@st-md-mailman.stormreply.com, hkelam@marvell.com, alexandre.torgue@foss.st.com, daniel@iogearbox.net, linux-arm-kernel@lists.infradead.org, hawk@kernel.org, quic_jsuraj@quicinc.com, gal@nvidia.com, john.fastabend@gmail.com, 0x1207@gmail.com, bpf@vger.kernel.org, Mor Bar-Gabay Subject: [PATCH net-next 12/14] igc: block setting preemptible traffic class in taprio Date: Fri, 18 Apr 2025 09:38:18 -0700 Message-ID: <20250418163822.3519810-13-anthony.l.nguyen@intel.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250418163822.3519810-1-anthony.l.nguyen@intel.com> References: <20250418163822.3519810-1-anthony.l.nguyen@intel.com> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Patchwork-Delegate: kuba@kernel.org From: Faizal Rahim Since preemptible tc implementation is not ready yet, block it from being set in taprio. The existing code already blocks it in mqprio. Reviewed-by: Vladimir Oltean Signed-off-by: Faizal Rahim Tested-by: Mor Bar-Gabay Signed-off-by: Tony Nguyen --- drivers/net/ethernet/intel/igc/igc_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c index d160da49b0d2..5b06765a35e9 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6486,6 +6486,10 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter, if (!validate_schedule(adapter, qopt)) return -EINVAL; + /* preemptible isn't supported yet */ + if (qopt->mqprio.preemptible_tcs) + return -EOPNOTSUPP; + igc_ptp_read(adapter, &now); if (igc_tsn_is_taprio_activated_by_user(adapter) &&