Subject: [PATCH net-next v4 1/4] ethtool: Add 10base-T1L link mode entries

From: Dan Murphy <[email-masked]>
Date: Tue, 17 Nov 2020 14:15:52 -0600

Add entries for the 10base-T1L full and half duplex supported modes.

$ ethtool eth0
        Supported ports: [ TP ]
        Supported link modes:   10baseT1L/Half 10baseT1L/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: Yes
        Supported FEC modes: Not reported
        Advertised link modes:  10baseT1L/Half 10baseT1L/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: 10Mb/s
        Duplex: Full
        Auto-negotiation: on
        Port: MII
        PHYAD: 1
        Transceiver: external
        Supports Wake-on: gs
        Wake-on: d
        SecureOn password: 00:00:00:00:00:00
        Current message level: 0x00000000 (0)

        Link detected: yes

Reviewed-by: Andrew Lunn <[email-masked]>
Reviewed-by: Florian Fainelli <[email-masked]>
Signed-off-by: Dan Murphy <[email-masked]>
---
 drivers/net/phy/phy-core.c   | 4 +++-
 include/uapi/linux/ethtool.h | 2 ++
 net/ethtool/common.c         | 2 ++
 net/ethtool/linkmodes.c      | 2 ++
 4 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy-core.c b/drivers/net/phy/phy-core.c
index 8d333d3084ed..616fae7f0c86 100644
--- a/drivers/net/phy/phy-core.c
+++ b/drivers/net/phy/phy-core.c
@@ -13,7 +13,7 @@
  */
 const char *phy_speed_to_str(int speed)
 {
-	BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 92,
+	BUILD_BUG_ON_MSG(__ETHTOOL_LINK_MODE_MASK_NBITS != 94,
 		"Enum ethtool_link_mode_bit_indices and phylib are out of sync. "
 		"If a speed or mode has been added please update phy_speed_to_str "
 		"and the PHY settings array.\n");
@@ -175,6 +175,8 @@ static const struct phy_setting settings[] = {
 	/* 10M */
 	PHY_SETTING(     10, FULL,     10baseT_Full		),
 	PHY_SETTING(     10, HALF,     10baseT_Half		),
+	PHY_SETTING(     10, FULL,     10baseT1L_Full		),
+	PHY_SETTING(     10, HALF,     10baseT1L_Half		),
 };
 #undef PHY_SETTING
 
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 9ca87bc73c44..16b6ea7548d3 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1619,6 +1619,8 @@ enum ethtool_link_mode_bit_indices {
 	ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT	 = 89,
 	ETHTOOL_LINK_MODE_100baseFX_Half_BIT		 = 90,
 	ETHTOOL_LINK_MODE_100baseFX_Full_BIT		 = 91,
+	ETHTOOL_LINK_MODE_10baseT1L_Half_BIT		 = 92,
+	ETHTOOL_LINK_MODE_10baseT1L_Full_BIT		 = 93,
 	/* must be last entry */
 	__ETHTOOL_LINK_MODE_MASK_NBITS
 };
diff --git a/net/ethtool/common.c b/net/ethtool/common.c
index 24036e3055a1..95f87febc742 100644
--- a/net/ethtool/common.c
+++ b/net/ethtool/common.c
@@ -194,6 +194,8 @@ const char link_mode_names[][ETH_GSTRING_LEN] = {
 	__DEFINE_LINK_MODE_NAME(400000, CR4, Full),
 	__DEFINE_LINK_MODE_NAME(100, FX, Half),
 	__DEFINE_LINK_MODE_NAME(100, FX, Full),
+	__DEFINE_LINK_MODE_NAME(10, T1L, Half),
+	__DEFINE_LINK_MODE_NAME(10, T1L, Full),
 };
 static_assert(ARRAY_SIZE(link_mode_names) == __ETHTOOL_LINK_MODE_MASK_NBITS);
 
diff --git a/net/ethtool/linkmodes.c b/net/ethtool/linkmodes.c
index c5bcb9abc8b9..a8fab6fb1b30 100644
--- a/net/ethtool/linkmodes.c
+++ b/net/ethtool/linkmodes.c
@@ -264,6 +264,8 @@ static const struct link_mode_info link_mode_params[] = {
 	__DEFINE_LINK_MODE_PARAMS(400000, CR4, Full),
 	__DEFINE_LINK_MODE_PARAMS(100, FX, Half),
 	__DEFINE_LINK_MODE_PARAMS(100, FX, Full),
+	__DEFINE_LINK_MODE_PARAMS(10, T1L, Half),
+	__DEFINE_LINK_MODE_PARAMS(10, T1L, Full),
 };
 
 const struct nla_policy ethnl_linkmodes_set_policy[] = {
-- 
2.29.2