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| author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-12-01 10:24:16 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-05 11:16:17 -0500 |
| commit | 365c1e64ad4831f3d1806ff3d7771839ec5eeb6b (patch) | |
| tree | 16d4b6f3d90513ac500ab720df3ecb25750e5bb7 /include/linux/phy.h | |
| parent | b0e9fe1ba7f8305dc1c640fbeb1b8c5c609e604c (diff) | |
| download | linux-stable-365c1e64ad4831f3d1806ff3d7771839ec5eeb6b.tar.gz linux-stable-365c1e64ad4831f3d1806ff3d7771839ec5eeb6b.tar.bz2 linux-stable-365c1e64ad4831f3d1806ff3d7771839ec5eeb6b.zip | |
phy: add phy_interface_mode_is_8023z() helper
Add and use phy_interface_mode_is_8023z() helper to identify the
interface modes that use 802.3z negotiation. Use it in phylink's
phylink_mac_an_restart().
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/phy.h')
| -rw-r--r-- | include/linux/phy.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h index 50030da01664..7570cb838410 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -762,6 +762,20 @@ static inline bool phy_interface_mode_is_rgmii(phy_interface_t mode) }; /** + * phy_interface_mode_is_8023z() - does the phy interface mode use 802.3z + * negotiation + * @mode: one of &enum phy_interface_t + * + * Returns true if the phy interface mode uses the 16-bit negotiation + * word as defined in 802.3z. (See 802.3-2015 37.2.1 Config_Reg encoding) + */ +static inline bool phy_interface_mode_is_8023z(phy_interface_t mode) +{ + return mode == PHY_INTERFACE_MODE_1000BASEX || + mode == PHY_INTERFACE_MODE_2500BASEX; +} + +/** * phy_interface_is_rgmii - Convenience function for testing if a PHY interface * is RGMII (all variants) * @phydev: the phy_device struct |