From nobody Sun Feb 8 23:04:02 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) (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 79B1F2376E4; Thu, 27 Feb 2025 14:03:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.18 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740665001; cv=none; b=uyquMNm800XGM9REoqG9ra+tVb+qMhmzPe5vJPR+0XTSNnR1p9NxdEhUPsZ6OXdIyiHfNIdIqe+J7L6aowgzsH0XqXNHESSDhKyfVi+4exMZmdVKUfIJuYBnx9pPhNwCLJJ5xhQCDXj58REJCqDVd9f2OiSEVgrjS0RhXewq5oE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740665001; c=relaxed/simple; bh=uDhO0buD+LbU4a/ZJlAIOO0MmLejKrvfWJSAZJp7WPs=; h=From:To:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=dgfj4UUjRFVMU5KHYgiNFcROqBG+fWhO7fYfbaLosctSHoACNN+GmsahckWCEDp0+owrqAsRtmHYlgNgYnCqV/OrrfyP1SxkHP4ENrYC02VTZpYMrv7IbWrip7TU2AOaUMdttcx6E76/+NasuVWWduqHQgOa/u9ggqmsWrXf6Ik= 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=FuKOMMSA; arc=none smtp.client-ip=198.175.65.18 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="FuKOMMSA" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740665000; x=1772201000; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=uDhO0buD+LbU4a/ZJlAIOO0MmLejKrvfWJSAZJp7WPs=; b=FuKOMMSAw27+Wk8Dvq3eIPiA7PtIWyCIgpwd8ofWLaH/uwgdLhbMefeV ZYi0oCF1OQZhdvoXVIOX7F2aNPibyg6Em6tpRBVxoSTkYz+2ShyajyA+5 GddYYPWxwgOOZC6HfqC9M3z652tPpQUL2lvIhmJ3VV7R9dA607d4qUAjF 8zRgi+1mszT7II1kzXYYU1RXbTPOtL9PPCTz+U915kPDCRly6mM0A5PRN bCcfcsw8sAcZr7ttrM21l7EdJrHwEJTG4aionM4M3zcIC+U2tTWBe8vkK ReBah59JnTD4qFKAkUy+xSxN8I75A2UeK6kRrB0UdRVoQboVf4r3TePNv Q==; X-CSE-ConnectionGUID: ihXB0TN4R8OldpPrtzvp1Q== X-CSE-MsgGUID: SGNgUl8PQW+qLjeqkC2vug== X-IronPort-AV: E=McAfee;i="6700,10204,11314"; a="41752457" X-IronPort-AV: E=Sophos;i="6.12,310,1728975600"; d="scan'208";a="41752457" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2025 06:03:20 -0800 X-CSE-ConnectionGUID: 2AnrQAY7TXaV+zHSI9JYzg== X-CSE-MsgGUID: TTojhYVeS5mGhPqkZzny4A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,319,1732608000"; d="scan'208";a="122149716" Received: from mohdfai2-ilbpg12-1.png.intel.com ([10.88.227.73]) by fmviesa004.fm.intel.com with ESMTP; 27 Feb 2025 06:03:12 -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 v6 7/9] igc: Block setting preemptible traffic class in taprio Date: Thu, 27 Feb 2025 09:01:55 -0500 Message-Id: <20250227140158.2129988-8-faizal.abdul.rahim@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250227140158.2129988-1-faizal.abdul.rahim@linux.intel.com> References: <20250227140158.2129988-1-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 5a6648a12a53..e6a398dbf09b 100644 --- a/drivers/net/ethernet/intel/igc/igc_main.c +++ b/drivers/net/ethernet/intel/igc/igc_main.c @@ -6408,6 +6408,10 @@ 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