From nobody Sun Feb 8 23:03:54 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (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 AAB9B24BBFD; Wed, 5 Mar 2025 13:02:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741179729; cv=none; b=fwozljlR1pr2njN0TzQLpj1PDMTXpws5RWNtaM1ZAB2VsUjAIsb/nrK91kwt8uRg7j2Iqz2H6S1BmmH7+r4JKyJMkbvt7XM6a8Z3AluWljPlB8CScYg74PKT44Pvi/7arm2YRcOlyWxXRgV7Bz9u6ej8nR/qdYL561N0KurigH0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741179729; c=relaxed/simple; bh=39PvJib2PeOE5qnsHjLiceVW7xm5HXt73LMZb2qjEM8=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=O79ikRY9pzw/aA29Oi389Svcw8BZ3mF4WrtYHF1jduAjmdQiCbw0FLzF4kq5vRGyIs8hytmCDhDteKay7D62LLnG7ePDW5dfkl75MhAHLXMsG3+pxm2sxYVKdAjFWt1+VehqJZr0OSSxh1tzAnHJh8Ax8Z2SJ8FhBDakh//xA6A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=dBrbH2a/; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="dBrbH2a/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1741179728; x=1772715728; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=39PvJib2PeOE5qnsHjLiceVW7xm5HXt73LMZb2qjEM8=; b=dBrbH2a/UvEEFvSvy1UZNyUTiwv/cvo32OSwLKpnIAQZA0MJg7BLqzQV H5Wm2oBgdYtoH+sdUpkMvUL8zIFwYYxDXIlt1Wd6q2fGNVPca4K7yL0/W OSl1Gr4J2sK2FJB//2Mfr3Yrj0U2Cv9IYFLsNpUmfC2wbKOYNsvqYDvTv x7izNa/sK//UmgZn2ltLgP5Jx4yLxGR/Es5MDQRsPKBjUdAME3tB/xws9 lRYVcz7/GV4GHYj/NNzlXi4wc+30AgZJwHCBaVxY02j/fJO7WzFpp4pH9 8Hb2Ljn1EWAFj8ceUKw5vQv82l/xokLKfDz6DWMuTdP1sos68xlCLi49x Q==; X-CSE-ConnectionGUID: fj+AD7xjQ2aKiVI29fglAw== X-CSE-MsgGUID: VhxNG5OjQOCzhQdUmeCXSQ== X-IronPort-AV: E=McAfee;i="6700,10204,11363"; a="45795154" X-IronPort-AV: E=Sophos;i="6.14,223,1736841600"; d="scan'208";a="45795154" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Mar 2025 05:02:08 -0800 X-CSE-ConnectionGUID: 3nGwylJDTZm5Lp7qLCxNig== X-CSE-MsgGUID: 6iBPBwpqR8iwZKDA+S9D8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,223,1736841600"; d="scan'208";a="123277170" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by fmviesa005.fm.intel.com with ESMTP; 05 Mar 2025 05:02:00 -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 , Choong Yong Liang , Chwee-Lin Choong , 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 v8 09/11] igc: block setting preemptible traffic class in taprio Date: Wed, 5 Mar 2025 08:00:24 -0500 Message-Id: <20250305130026.642219-10-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250305130026.642219-1-faizal.abdul.rahim@linux.intel.com> References: <20250305130026.642219-1-faizal.abdul.rahim@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Since preemptible tc implementation is not ready yet, block it from being set in taprio. The existing code already blocks it in mqprio. 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/ethern= et/intel/igc/igc_main.c index a9f40fffc4fd..6db926bc9d11 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6407,6 +6407,10 @@ static int igc_save_qbv_schedule(struct igc_adapter = *adapter, if (!validate_schedule(adapter, qopt)) return -EINVAL; =20 + /* preemptible isn't supported yet */ + if (qopt->mqprio.preemptible_tcs) + return -EOPNOTSUPP; + igc_ptp_read(adapter, &now); =20 if (igc_tsn_is_taprio_activated_by_user(adapter) && --=20 2.34.1