[PATCH 1/3] net: phy: add support to detect 100BASE-T1 capability
flat view
STALE3230d
From: Lucas Stach <l.stach@pengutronix.de>
Date: 2017-12-13 17:37:53
Subsystem:
ethernet phy library, networking drivers, the rest · Maintainers:
Andrew Lunn, Heiner Kallweit, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
100BASE-T1 is the automotive ethernet standard 802.3bw-2015. Currently we don't detect any valid modes for PHYs, which only support this standard. Add support to detect the common 100Mbit full-duplex mode. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> --- drivers/net/phy/phy_device.c | 2 ++ include/uapi/linux/mii.h | 1 + 2 files changed, 3 insertions(+)
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 67f25ac29025..8ef48b38d97b 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c@@ -1607,6 +1607,8 @@ int genphy_config_init(struct phy_device *phydev) if (val < 0) return val; + if (val & ESTATUS_100T1_FULL) + features |= SUPPORTED_100baseT_Full; if (val & ESTATUS_1000_TFULL) features |= SUPPORTED_1000baseT_Full; if (val & ESTATUS_1000_THALF)
diff --git a/include/uapi/linux/mii.h b/include/uapi/linux/mii.h
index b5c2fdcf23fd..eb5cc45d23fb 100644
--- a/include/uapi/linux/mii.h
+++ b/include/uapi/linux/mii.h@@ -121,6 +121,7 @@ #define EXPANSION_MFAULTS 0x0010 /* Multiple faults detected */ #define EXPANSION_RESV 0xffe0 /* Unused... */ +#define ESTATUS_100T1_FULL 0x0080 /* Can do 100BASE-T1 Full */ #define ESTATUS_1000_TFULL 0x2000 /* Can do 1000BT Full */ #define ESTATUS_1000_THALF 0x1000 /* Can do 1000BT Half */
--
2.11.0