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net: phy: add helper phy_advertise_eee_all

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Per default phylib preserves the EEE advertising at the time of
phy probing. The EEE advertising can be changed from user space,
in addition this helper allows to set the EEE advertising to all
supported modes from drivers in kernel space.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20bfc471-aeeb-4ae4-ba09-7d6d4be6b86a@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Heiner Kallweit 2024-02-03 20:53:15 +01:00 committed by Jakub Kicinski
parent 2813ca8d64
commit b64691274f
2 changed files with 17 additions and 0 deletions
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16
drivers/net/phy/phy_device.c
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@ -2777,6 +2777,22 @@ void phy_advertise_supported(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_advertise_supported);
/**
* phy_advertise_eee_all - Advertise all supported EEE modes
* @phydev: target phy_device struct
*
* Description: Per default phylib preserves the EEE advertising at the time of
* phy probing, which might be a subset of the supported EEE modes. Use this
* function when all supported EEE modes should be advertised. This does not
* trigger auto-negotiation, so must be called before phy_start()/
* phylink_start() which will start auto-negotiation.
*/
void phy_advertise_eee_all(struct phy_device *phydev)
{
linkmode_copy(phydev->advertising_eee, phydev->supported_eee);
}
EXPORT_SYMBOL_GPL(phy_advertise_eee_all);
/**
* phy_support_sym_pause - Enable support of symmetrical pause
* @phydev: target phy_device struct

1
include/linux/phy.h
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@ -1960,6 +1960,7 @@ int phy_get_rate_matching(struct phy_device *phydev,
void phy_set_max_speed(struct phy_device *phydev, u32 max_speed);
void phy_remove_link_mode(struct phy_device *phydev, u32 link_mode);
void phy_advertise_supported(struct phy_device *phydev);
void phy_advertise_eee_all(struct phy_device *phydev);
void phy_support_sym_pause(struct phy_device *phydev);
void phy_support_asym_pause(struct phy_device *phydev);
void phy_set_sym_pause(struct phy_device *phydev, bool rx, bool tx,