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-rw-r--r--drivers/net/phy/phy_device.c2
-rw-r--r--include/linux/phy.h11
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index 05261698bf74..d6ac3ed38197 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -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
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 0d537f59b77f..1a12e4436b5b 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -492,6 +492,7 @@ 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.
+ * @is_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)
@@ -565,6 +566,7 @@ 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 */
@@ -1297,6 +1299,15 @@ static inline bool phy_is_internal(struct phy_device *phydev)
}
/**
+ * 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)
* @mode: the &phy_interface_t enum