From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout02.posteo.de (mout02.posteo.de [185.67.36.66]) (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 9D6792D97A6 for ; Mon, 6 Apr 2026 12:17:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.67.36.66 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775477845; cv=none; b=XjScxOysRVGg6C1S6FYz1oT6Ba/8qSmB6PDhiJ71YotX/aeFKulzmytQWBj+Q5k3LlBaBndd/X/7IeDIpFMzPyhJENZ2dNi76tPhHbZxox7gS2BlGEyXN+JkYxnjcWXmPY04G7yivax/S7QqA2WDNQoAyinxPgeU0jEJvo1jveE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775477845; c=relaxed/simple; bh=/WzMW28IjWmZnRlmWMvuoIBeIKjUEIvXVICyjwf8m3c=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=PJ+zSmUMuOXhqDI/NrD0wR/iY2/35kCI5xWKLiDHJgx0L7WorAArUjMK3eqvqCkhkhQ2dGypE7zFznDBdol1aiIxJn3cl+okMR8AF3wNOOss05KQGpWfCiWMcThuiOrv+Ev73U9bkBFEsBHH+xlqCTLDdk669UBf0aPvbSRNs7E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.net; spf=pass smtp.mailfrom=posteo.net; dkim=pass (2048-bit key) header.d=posteo.net header.i=@posteo.net header.b=nuLIkick; arc=none smtp.client-ip=185.67.36.66 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=posteo.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=posteo.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=posteo.net header.i=@posteo.net header.b="nuLIkick" Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id E00AC240101 for ; Mon, 6 Apr 2026 14:17:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=posteo.net; s=2017; t=1775477841; bh=FvLAg6B4pdIV6SmF5cLammCmoQlQ2eq/da3X4qGi024=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version: Content-Transfer-Encoding:From; b=nuLIkickNqI5bDMLS663F/5GLe8kHlmNx1qFqz4OBpUsC80IiyJYP+ACKiVb9KtgA ecmwRZ6q1Vri7KjvGuEBHXrABIsAIxNg+2qW38F2EZFV4CK1kgUk8i3EpcAJ56XwcO jhcmrC5NKkKZw4dHNvA114qiRiMsIVHVINxVqLbFjoYWFLmC2ix40WW1IjgLKLfQ6A hsFG7MoBR8pdMN3ZFG/FssoBMd88o46q4UwIGzDbLx50r53QdAdlm92rDuDmTjFtEX IL8f0IwJIL7eqUct4gtX1r9A/JshS5bJBFhu9cqfUTRNlO3fHE8kTZRMRF1sf4f31Q HSlQn+v1jSJGg== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4fq7cb3m9Zz6tvs; Mon, 6 Apr 2026 14:17:19 +0200 (CEST) From: John Pavlick To: linux@armlinux.org.uk Cc: andrew@lunn.ch, hkallweit1@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, John Pavlick , Marcin Nita Subject: [PATCH v2] net: sfp: add quirks for GPON ONT SFP sticks Date: Mon, 06 Apr 2026 12:17:21 +0000 Message-ID: <20260406121716.69854-1-jspavlick@posteo.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Several GPON ONT SFP sticks based on Realtek RTL960x report 1000BASE-LX at 1300MBd in their EEPROM but can operate at 2500base-X. On hosts with serdes fixed at 2.5Gbase-X (e.g. Banana Pi R3 / MT7986), the kernel rejects them with 'no common interface modes'. Add quirks for: - Hisense-Leox LXT-010S-H - Hisense ZNID-GPON-2311NA - HSGQ HSGQ-XPON-Stick Each quirk advertises 2500base-X and ignores TX_FAULT during the module's ~40s Linux boot time. Tested on Banana Pi R3 (MT7986) with OpenWrt 25.12.1, confirmed 2.5Gbps link and full throughput with flow offloading. Suggested-by: Marcin Nita Signed-off-by: John Pavlick --- Changes in v2: - Add Suggested-by tag for Marcin Nita , who suggested investigating sfp.c quirks as a solution rather than attempting to edit the EEPROM data directly on the module. drivers/net/phy/sfp.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c index f1070eb0a0bb..bd970f753beb 100644 --- a/drivers/net/phy/sfp.c +++ b/drivers/net/phy/sfp.c @@ -543,6 +543,22 @@ static const struct sfp_quirk sfp_quirks[] = { SFP_QUIRK("HUAWEI", "MA5671A", sfp_quirk_2500basex, sfp_fixup_ignore_tx_fault_and_los), + // Hisense LXT-010S-H is a GPON ONT SFP (sold as LEOX LXT-010S-H) that + // can operate at 2500base-X, but reports 1000BASE-LX / 1300MBd in its + // EEPROM + SFP_QUIRK("Hisense-Leox", "LXT-010S-H", sfp_quirk_2500basex, + sfp_fixup_ignore_tx_fault), + + // Hisense ZNID-GPON-2311NA can operate at 2500base-X, but reports + // 1000BASE-LX / 1300MBd in its EEPROM + SFP_QUIRK("Hisense", "ZNID-GPON-2311NA", sfp_quirk_2500basex, + sfp_fixup_ignore_tx_fault), + + // HSGQ HSGQ-XPON-Stick can operate at 2500base-X, but reports + // 1000BASE-LX / 1300MBd in its EEPROM + SFP_QUIRK("HSGQ", "HSGQ-XPON-Stick", sfp_quirk_2500basex, + sfp_fixup_ignore_tx_fault), + // Lantech 8330-262D-E and 8330-265D can operate at 2500base-X, but // incorrectly report 2500MBd NRZ in their EEPROM. // Some 8330-265D modules have inverted LOS, while all of them report -- 2.53.0