From nobody Tue Apr 7 09:48:52 2026 Received: from bkemail.birger-koblitz.de (bkemail.birger-koblitz.de [23.88.97.239]) (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 46B6F33BBD7; Sat, 14 Mar 2026 09:31:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=23.88.97.239 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773480715; cv=none; b=R1LI3BWowWMh9Q42xi+4TRsZFoUBr82HlHxfIYut1hzU5bVwhJ4qIBsSg+uYnG1pJ2PpKTAOK6WcLK6AdE5rRIezntcv+IXP0LlNpdXdEnZJrDc3ftJo/8cVTddUG4/YnC6UuMYfJ03aUljCPSGyPN0GmFMsO1KMx9Ai9dQLuDk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773480715; c=relaxed/simple; bh=7ahNTLag8CqBDyorUoSHN0rIlNE+4LrcQBoVWiPbrfY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=sYglxPqHdE5BEY8CidbTCWu46MSekgN4+5TPh6Y7UGpiBYFH9baX691bAUaBjwebE5P02AfbovdQYINqHeO7YQNwSKRWqNkGRqtrISNbf3rOVzetQOdVmW4A8NGRKZ4B72VBtEyDtnLGd69/NLkzjyHRa8H7IpTESFEM3l4Hjlw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=birger-koblitz.de; spf=pass smtp.mailfrom=birger-koblitz.de; dkim=pass (2048-bit key) header.d=birger-koblitz.de header.i=@birger-koblitz.de header.b=0UbRGwfp; dkim=pass (2048-bit key) header.d=birger-koblitz.de header.i=@birger-koblitz.de header.b=KJwFy/8I; arc=none smtp.client-ip=23.88.97.239 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=birger-koblitz.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=birger-koblitz.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=birger-koblitz.de header.i=@birger-koblitz.de header.b="0UbRGwfp"; dkim=pass (2048-bit key) header.d=birger-koblitz.de header.i=@birger-koblitz.de header.b="KJwFy/8I" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=birger-koblitz.de; s=default; t=1773480709; bh=7ahNTLag8CqBDyorUoSHN0rIlNE+4LrcQBoVWiPbrfY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=0UbRGwfp4FdBg3EeozogzobI0ftBhSbCWVY4SqlaOKJB4r3nhT2/OfN+q5n/H/8Ro +XdPmVlYRpd6QB5J62I5EfZthMbWXbEvz4Q5kJO/0HRFu9K3+zBH9AUIFyCwlq/SLb Hpx/Hl/WKgHpRdpBuX3bY4ZysHbBVBnz/tLKTiC4lpD+QfSivU0kQFu2NvT1RvfZjY bn6SdBYxXb8utJoGWAdzS/FDm1RVXiPB5XQQ2j5i9tbrbRgb4nlI9wDq+nCfGHezr5 ouyR+udS4sdyKFfnRQwsXOkPISFXgOTFpFZ7LQJ3f1Ep65LK6R/5oUewZhN9VW5+H1 /2nTZTvIhZvHA== Received: by bkemail.birger-koblitz.de (Postfix, from userid 109) id 682CB3FCDA; Sat, 14 Mar 2026 09:31:49 +0000 (UTC) X-Spam-Level: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=birger-koblitz.de; s=default; t=1773480704; bh=7ahNTLag8CqBDyorUoSHN0rIlNE+4LrcQBoVWiPbrfY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=KJwFy/8IkG8qF2B6vz7TvW8XgCabaxLwBIHKFfZI7BGZ1pJWsZ9RfsiH3pi46gmho dttR+vCbCg8+LgWG+cPBEEIrDn6wC43LSAi1UH94QNjCOTMG9A8SBKMKyOJphbp2cV 4Ddwbqua7UUM6MtGKcHuCJ/oVNd1AVEs/Jdc7kcEL0OSOPR57L8kbPsoudsKIsHy1t n1/uRRig9nmpAXIU3KmCuHWRlPiOwVRcSQ2XNukn0GWV/zMjezNMeMQpRdEKzeWz2F XWAaqrZYyy7XybPULwsWB0rckVwpFPEXpWmxosmvqhC7Le+DiXM2W2MActsTtRxX/m c04zdwioLiTOA== Received: from AMDDesktop.lan (unknown [IPv6:2a00:6020:47a3:e800:271c:c6c5:9fde:77cb]) by bkemail.birger-koblitz.de (Postfix) with ESMTPSA id E14093FCCB; Sat, 14 Mar 2026 09:31:43 +0000 (UTC) From: Birger Koblitz Date: Sat, 14 Mar 2026 10:31:43 +0100 Subject: [PATCH net-next 7/9] r8152: Add support for 5Gbit Link Speeds Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260314-rtl8157_next-v1-7-9ba77b428afd@birger-koblitz.de> References: <20260314-rtl8157_next-v1-0-9ba77b428afd@birger-koblitz.de> In-Reply-To: <20260314-rtl8157_next-v1-0-9ba77b428afd@birger-koblitz.de> To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-usb@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Birger Koblitz X-Mailer: b4 0.14.2 The RTL8157 supports 5GBit Link speeds. Add support for this speed in the setup and setting/getting through ethool. Signed-off-by: Birger Koblitz --- drivers/net/usb/r8152.c | 42 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 40 insertions(+), 2 deletions(-) diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index bef38211c3157b5774ceccbfd923b227f285aaaf..f9498c39dc6ec8bf4605b17e2c8= 1bbe180b1b2d3 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -620,6 +620,7 @@ enum spd_duplex { FORCE_100M_FULL, FORCE_1000M_FULL, NWAY_2500M_FULL, + NWAY_5000M_FULL, }; =20 /* OCP_ALDPS_CONFIG */ @@ -741,6 +742,7 @@ enum spd_duplex { #define BP4_SUPER_ONLY 0x1578 /* RTL_VER_04 only */ =20 enum rtl_register_content { + _5000bps =3D BIT(12), _2500bps =3D BIT(10), _1250bps =3D BIT(9), _500bps =3D BIT(8), @@ -754,6 +756,7 @@ enum rtl_register_content { }; =20 #define is_speed_2500(_speed) (((_speed) & (_2500bps | LINK_STATUS)) =3D= =3D (_2500bps | LINK_STATUS)) +#define is_speed_5000(_speed) (((_speed) & (_5000bps | LINK_STATUS)) =3D= =3D (_5000bps | LINK_STATUS)) #define is_flow_control(_speed) (((_speed) & (_tx_flow | _rx_flow)) =3D=3D= (_tx_flow | _rx_flow)) =20 #define RTL8152_MAX_TX 4 @@ -1004,6 +1007,7 @@ struct r8152 { unsigned int pipe_in, pipe_out, pipe_intr, pipe_ctrl_in, pipe_ctrl_out; =20 u32 support_2500full:1; + u32 support_5000full:1; u32 lenovo_macpassthru:1; u32 dell_tb_rx_agg_bug:1; u16 ocp_base; @@ -1255,6 +1259,7 @@ enum tx_csum_stat { #define RTL_ADVERTISED_1000_HALF BIT(4) #define RTL_ADVERTISED_1000_FULL BIT(5) #define RTL_ADVERTISED_2500_FULL BIT(6) +#define RTL_ADVERTISED_5000_FULL BIT(7) =20 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast). * The RTL chips use a 64 element hash table based on the Ethernet CRC. @@ -6669,6 +6674,9 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 aut= oneg, u32 speed, u8 duplex, =20 if (tp->support_2500full) support |=3D RTL_ADVERTISED_2500_FULL; + + if (tp->support_5000full) + support |=3D RTL_ADVERTISED_5000_FULL; } =20 if (!(advertising & support)) @@ -6714,15 +6722,20 @@ static int rtl8152_set_speed(struct r8152 *tp, u8 a= utoneg, u32 speed, u8 duplex, r8152_mdio_write(tp, MII_CTRL1000, new1); } =20 - if (tp->support_2500full) { + if (tp->support_2500full || tp->support_5000full) { orig =3D ocp_reg_read(tp, OCP_10GBT_CTRL); - new1 =3D orig & ~MDIO_AN_10GBT_CTRL_ADV2_5G; + new1 =3D orig & ~(MDIO_AN_10GBT_CTRL_ADV2_5G | MDIO_AN_10GBT_CTRL_ADV5G= ); =20 if (advertising & RTL_ADVERTISED_2500_FULL) { new1 |=3D MDIO_AN_10GBT_CTRL_ADV2_5G; tp->ups_info.speed_duplex =3D NWAY_2500M_FULL; } =20 + if (advertising & RTL_ADVERTISED_5000_FULL) { + new1 |=3D MDIO_AN_10GBT_CTRL_ADV5G; + tp->ups_info.speed_duplex =3D NWAY_5000M_FULL; + } + if (orig !=3D new1) ocp_reg_write(tp, OCP_10GBT_CTRL, new1); } @@ -9263,6 +9276,9 @@ int rtl8152_get_link_ksettings(struct net_device *net= dev, linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, cmd->link_modes.supported, tp->support_2500full); =20 + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + cmd->link_modes.supported, tp->support_5000full); + if (tp->support_2500full) { linkmode_mod_bit(ETHTOOL_LINK_MODE_2500baseT_Full_BIT, cmd->link_modes.advertising, @@ -9276,6 +9292,19 @@ int rtl8152_get_link_ksettings(struct net_device *ne= tdev, cmd->base.speed =3D SPEED_2500; } =20 + if (tp->support_5000full) { + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + cmd->link_modes.advertising, + ocp_reg_read(tp, OCP_10GBT_CTRL) & MDIO_AN_10GBT_CTRL_ADV5G); + + linkmode_mod_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + cmd->link_modes.lp_advertising, + ocp_reg_read(tp, OCP_10GBT_STAT) & MDIO_AN_10GBT_STAT_LP5G); + + if (is_speed_5000(rtl8152_get_speed(tp))) + cmd->base.speed =3D SPEED_5000; + } + mutex_unlock(&tp->control); =20 usb_autopm_put_interface(tp->intf); @@ -9323,6 +9352,10 @@ static int rtl8152_set_link_ksettings(struct net_dev= ice *dev, cmd->link_modes.advertising)) advertising |=3D RTL_ADVERTISED_2500_FULL; =20 + if (test_bit(ETHTOOL_LINK_MODE_5000baseT_Full_BIT, + cmd->link_modes.advertising)) + advertising |=3D RTL_ADVERTISED_5000_FULL; + mutex_lock(&tp->control); =20 ret =3D rtl8152_set_speed(tp, cmd->base.autoneg, cmd->base.speed, @@ -10456,6 +10489,11 @@ static int rtl8152_probe_once(struct usb_interface= *intf, } else { tp->speed =3D SPEED_1000; } + if (tp->support_5000full && + tp->udev->speed >=3D USB_SPEED_SUPER) { + tp->speed =3D SPEED_5000; + tp->advertising |=3D RTL_ADVERTISED_5000_FULL; + } tp->advertising |=3D RTL_ADVERTISED_1000_FULL; } tp->duplex =3D DUPLEX_FULL; --=20 2.47.3