@@ -1377,6 +1377,8 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
if (phydev->sfp_bus_attached)
dev->sfp_bus = phydev->sfp_bus;
+ else if (dev->sfp_bus)
+ phydev->is_on_sfp_module = true;
}
/* Some Ethernet drivers try to connect to a PHY device before
@@ -488,6 +488,7 @@ struct macsec_ops;
* @sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal.
* @loopback_enabled: Set true if this PHY has been loopbacked successfully.
* @downshifted_rate: Set true if link speed has been downshifted.
+ * @on_sfp_module: Set true if PHY is located on an SFP module.
* @state: State of the PHY for management purposes
* @dev_flags: Device-specific flags used by the PHY driver.
* @irq: IRQ number of the PHY's interrupt (-1 if none)
@@ -561,6 +562,7 @@ struct phy_device {
unsigned sysfs_links:1;
unsigned loopback_enabled:1;
unsigned downshifted_rate:1;
+ unsigned is_on_sfp_module:1;
unsigned autoneg:1;
/* The most recently read link state */
@@ -1292,6 +1294,15 @@ static inline bool phy_is_internal(struct phy_device *phydev)
return phydev->is_internal;
}
+/**
+ * phy_on_sfp - Convenience function for testing if a PHY is on an SFP module
+ * @phydev: the phy_device struct
+ */
+static inline bool phy_on_sfp(struct phy_device *phydev)
+{
+ return phydev->is_on_sfp_module;
+}
+
/**
* phy_interface_mode_is_rgmii - Convenience function for testing if a
* PHY interface mode is RGMII (all variants)
Add a flag and helper function to indicate that a PHY device is part of an SFP module, which is set on attach. This can be used by PHY drivers to handle SFP-specific quirks or behavior. Signed-off-by: Robert Hancock <robert.hancock@calian.com> --- drivers/net/phy/phy_device.c | 2 ++ include/linux/phy.h | 11 +++++++++++ 2 files changed, 13 insertions(+)