From patchwork Tue Mar 18 03:07:40 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Faizal Rahim X-Patchwork-Id: 14020240 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 09E9CC282EC for ; Tue, 18 Mar 2025 03:32:06 +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: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ij3VUskXFIGFRtoXzGBVOSnN2Qj7W10EcqQtu6jvq4k=; b=MTts0yQPFxVSP1xpJNqf3l2q6A /Ldz1QyEeOm1sCFEO+SrC7Fe4RPhGZ7hSOAQSq8m66ufembTcLN4B2RW/SBELloIhUOyFJSs8NxBz fbDvQ84UZYwGBziiGnqhuFtO6g7Nl2Fkp+eLzoi17nTB0rD4oCYfZdNyoQJ3w25fUSXVh6bD6AXF7 gJoMxT547mdEGmnQPm5wEDRMjtMegqK4tKqrWoOKlFRGDnOIpovmKxnJuTcV9dQo84ge5im+n7gFE UTMvVNrzMqCJfobYosusVwkZl7n+LSrYl/vxpX52dcMxgD7LPg+CVwClsAkc5vX2txlPV4mxPstm+ 7Y8fcEjQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tuNgJ-00000004W5G-2Lgj; Tue, 18 Mar 2025 03:31:55 +0000 Received: from mgamail.intel.com ([198.175.65.13]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tuNL4-00000004TTl-1y6X for linux-arm-kernel@lists.infradead.org; Tue, 18 Mar 2025 03:09:59 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1742267398; x=1773803398; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=eqmri3Iwl67FhzCmnSw7Lyi9yy0ti1/vr/CkBiBk4bg=; b=Mu4H9LEKti4B/1nEZdGHn9lRQuLvjMZLzSBHPWIrKw/BmwUbMaekGdjA HG14CY1Gb+gf7bUovJh8LoarlnJ/B8tYhsxOTWuYRH/Yj180qmT0SMYF9 asAL8hhaO3gKDGbazLzAuaOoVoErVVX+ZueX1Ejg8OI21YrERYaCEiLke lulYixveJqmPDmVfzN7cRzSFm/cSqJgSpUUGB9u3KgEDeKdXfQXVLi459 W8gKZiUfjkEtEWFG5yGP2xV2iYmg7HPhUU+gsUZLFQhPeA4Hvzw+WcJWi 6MaB/wvD9EYG/W3rMB42DMt6NXnBDElzlmN4Z8AaaOTH0CHXlQl7wsKPO A==; X-CSE-ConnectionGUID: O9xcCkEqR42ONUVWHfetvg== X-CSE-MsgGUID: RIruqS80QC+X91rb6GgI2Q== X-IronPort-AV: E=McAfee;i="6700,10204,11376"; a="54383224" X-IronPort-AV: E=Sophos;i="6.14,255,1736841600"; d="scan'208";a="54383224" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Mar 2025 20:09:57 -0700 X-CSE-ConnectionGUID: YnI1J2mKQ2ielu1L2PHNDA== X-CSE-MsgGUID: 22AG3oJXQ4yLx1T4dZ6HFQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,255,1736841600"; d="scan'208";a="126313953" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by fmviesa003.fm.intel.com with ESMTP; 17 Mar 2025 20:09:50 -0700 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 , Vladimir Oltean , Russell King , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Furong Xu <0x1207@gmail.com>, Choong Yong Liang , Russell King , Hariprasad Kelam , Xiaolei Wang , Suraj Jaiswal , Kory Maincent , Gal Pressman , Jesper Nilsson , linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, bpf@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-stm32@st-md-mailman.stormreply.com, Chwee-Lin Choong , Vinicius Costa Gomes , Faizal Rahim , Kunihiko Hayashi , Serge Semin Subject: [PATCH iwl-next v10 12/14] igc: block setting preemptible traffic class in taprio Date: Mon, 17 Mar 2025 23:07:40 -0400 Message-Id: <20250318030742.2567080-13-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250318030742.2567080-1-faizal.abdul.rahim@linux.intel.com> References: <20250318030742.2567080-1-faizal.abdul.rahim@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250317_200958_552171_8DF9A3E3 X-CRM114-Status: UNSURE ( 9.03 ) X-CRM114-Notice: Please train this message. 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 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 --- 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 71c377cb7a88..fc945c5b7c70 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) &&