From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) (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 9DF3A3859EF for ; Tue, 21 Jul 2026 15:07:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784646424; cv=none; b=D1386aoQxeNBM8K+YGYluYLWpLsACqcowRQT/O1tOFSTQ5/cVXfQu3Od4Y45FoDo545/bFX0J5OGh6+JvOr5H5jH384d5HZivy0BLBhyoaSMa2wcwx7Zaaj3ZSX/JxOMtQrE0MQymoW9xvFugHapvayydlS6VWFN0DC0cYc9Fy4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784646424; c=relaxed/simple; bh=YMxuhHJhwyQuhdGzdrv1FAUVqYLEZ+YKUP8/Q3R2J1k=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=payVhNMqJJoclWuVp9weJxWKeZ6DgFZ1C4e1d4iV4gxGQ8Cik7ABEqC6jEFcRMqRUmWUCoyzUZdjiRiY/Yvl99WpqvQArzKFfVZGL4h2Yt8lgGd3pUdZOs4BUvzWjWvXUf/jadtrwo0niNdPTl1F7LoZaYfgCElml2k0IqXXC0k= 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=b052aZuP; arc=none smtp.client-ip=192.198.163.10 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="b052aZuP" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784646422; x=1816182422; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=YMxuhHJhwyQuhdGzdrv1FAUVqYLEZ+YKUP8/Q3R2J1k=; b=b052aZuPnefgkVuSAza+aT8E5VVD585WP+Dnu5JbX4J8049sgoRgaJ0P qdVDFjLJJh8lOhDl5EKHY/sbInLjSreQd59tVi1IyKoBboPXlTG83jJS2 4a+BTeXslmlE4aUSgmDAlyAIFxz8RXqyZCkHmC3+RdHbJetfft/Res8L8 gFDzZuVgsTwAeXGKJ0oKjV/Rs8ev7AJEk5UeCxuYHXs48gWWh3TkYIFIl wuzyUkzx2TAZQkH/nK5NBiy2D8GNdGonlr02DM5xoNEzmTFGgec5qJNCs K0YzZ2Rcv0E+2ctlxoYAmXwzg1J8W7pdJGC//nmYxnCwVMqkXLyzos+pw A==; X-CSE-ConnectionGUID: bwPZBQanRqyNBKX6L99QVQ== X-CSE-MsgGUID: cflepWr6R1uhW+Z7RdWAFQ== X-IronPort-AV: E=McAfee;i="6800,10657,11853"; a="96614445" X-IronPort-AV: E=Sophos;i="6.25,176,1779174000"; d="scan'208";a="96614445" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2026 08:07:02 -0700 X-CSE-ConnectionGUID: sx4UNRx2TsS0H+zjOt7NLg== X-CSE-MsgGUID: HhHrz/g+T7eIs89GwvUQaw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,176,1779174000"; d="scan'208";a="282298686" Received: from axxiablr1.iind.intel.com (HELO axxiablr1.gar.corp.intel.com) ([10.190.162.100]) by fmviesa001.fm.intel.com with ESMTP; 21 Jul 2026 08:06:58 -0700 From: Siddaraju DH To: Michal Kubecek , Andrew Lunn , Maxime Chevallier , kuba@kernel.org, netdev@vger.kernel.org Cc: Shubham Das , Balaji Chintalapalle , Vijay Srinivasan , Magnus Lindberg , Niklas Damberg , Jonas Wirandi , Siddaraju DH , Siddaraju DH Subject: [PATCH v3 net-next] ethtool: link 10000baseCR to SFF-8431, Appendix-E SFP+ DA Date: Tue, 21 Jul 2026 20:36:38 +0530 Message-Id: <20260721150638.3084698-1-siddaraju.dh@intel.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add comment to clarify the physical media 10000baseCR follows. 10000baseCR does not correspond to any IEEE 802.3 *base-CR PMD. It has no autonegotiation, no link training, and no mandatory FEC. The industry standard for this media type is SFF-8431 Appendix-E Direct Attach cable, also known as 10G_SFI_DA. Link: https://lore.kernel.org/r/SN7PR11MB69003D33489DB1D6B17EF72A9AF52@SN7PR11MB6900.namprd11.prod.outlook.com Signed-off-by: Siddaraju DH Reviewed-by: Maxime Chevallier --- include/uapi/linux/ethtool.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index a2091d4e00f3..986d70caec33 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -2013,7 +2013,13 @@ enum ethtool_link_mode_bit_indices { ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT = 39, ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT = 40, ETHTOOL_LINK_MODE_1000baseX_Full_BIT = 41, + + /* Despite the "baseCR" in 10000baseCR, this is not an IEEE 802.3 baseCR + * It represents SFF-8431 Appendix-E SFP+ Direct Attach (10G-SFI-DA). + * The name is kept as-is for uAPI backward compatibility. + */ ETHTOOL_LINK_MODE_10000baseCR_Full_BIT = 42, + ETHTOOL_LINK_MODE_10000baseSR_Full_BIT = 43, ETHTOOL_LINK_MODE_10000baseLR_Full_BIT = 44, ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT = 45, -- 2.25.1