linux-kernel - [PATCH net-next v3 04/12] net: phy: c45: detect 100BaseT1 and 1000BaseT1 PMA abilites

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20230627071853.106215-5-radu-nicolae.pirea@oss.nxp.com>
Date:   Tue, 27 Jun 2023 10:18:45 +0300
From:   "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
To:     andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, richardcochran@...il.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        sebastian.tobuschat@....com,
        "Radu Pirea (NXP OSS)" <radu-nicolae.pirea@....nxp.com>
Subject: [PATCH net-next v3 04/12] net: phy: c45: detect 100BaseT1 and 1000BaseT1 PMA abilites

Detect 100BaseT1 and 1000BaseT1 PMA abilites using dedicated bits.

Signed-off-by: Radu Pirea (NXP OSS) <radu-nicolae.pirea@....nxp.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
 drivers/net/phy/phy-c45.c | 8 ++++++++
 include/uapi/linux/mdio.h | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index fee514b96ab1..1017aeb0599b 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -976,6 +976,14 @@ int genphy_c45_pma_read_abilities(struct phy_device *phydev)
 					 phydev->supported,
 					 val & MDIO_PMA_PMD_BT1_B10L_ABLE);
 
+			linkmode_mod_bit(ETHTOOL_LINK_MODE_100baseT1_Full_BIT,
+					 phydev->supported,
+					 val & MDIO_PMA_PMD_BT1_B100_ABLE);
+
+			linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT1_Full_BIT,
+					 phydev->supported,
+					 val & MDIO_PMA_PMD_BT1_B1000_ABLE);
+
 			val = phy_read_mmd(phydev, MDIO_MMD_AN, MDIO_AN_T1_STAT);
 			if (val < 0)
 				return val;
diff --git a/include/uapi/linux/mdio.h b/include/uapi/linux/mdio.h
index b826598d1e94..82ed363f5268 100644
--- a/include/uapi/linux/mdio.h
+++ b/include/uapi/linux/mdio.h
@@ -332,6 +332,8 @@
 #define MDIO_PCS_10T1L_CTRL_RESET	0x8000	/* PCS reset */
 
 /* BASE-T1 PMA/PMD extended ability register. */
+#define MDIO_PMA_PMD_BT1_B100_ABLE	0x0001	/* 100BASE-T1 Ability */
+#define MDIO_PMA_PMD_BT1_B1000_ABLE	0x0002	/* 1000BASE-T1 Ability */
 #define MDIO_PMA_PMD_BT1_B10L_ABLE	0x0004	/* 10BASE-T1L Ability */
 
 /* BASE-T1 auto-negotiation advertisement register [15:0] */
-- 
2.34.1