path: root/include/linux/phy.h
diff options
authorRussell King <rmk+kernel@armlinux.org.uk>2019-11-15 19:56:51 +0000
committerDavid S. Miller <davem@davemloft.net>2019-11-18 16:56:13 -0800
commit298e54fa810e027f1b0800d789eb862592721f08 (patch)
tree60f14e6e9aebd6650353732d3edf69cc2b491781 /include/linux/phy.h
parentdt-bindings: net: add ethernet controller and phy sfp property (diff)
net: phy: add core phylib sfp support
Add core phylib help for supporting SFP sockets on PHYs. This provides a mechanism to inform the SFP layer about PHY up/down events, and also unregister the SFP bus when the PHY is going away. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/phy.h')
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/phy.h b/include/linux/phy.h
index 78436d58ce7c..124516fe2763 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -203,6 +203,8 @@ static inline const char *phy_modes(phy_interface_t interface)
struct device;
struct phylink;
+struct sfp_bus;
+struct sfp_upstream_ops;
struct sk_buff;
@@ -342,6 +344,8 @@ struct phy_c45_device_ids {
* dev_flags: Device-specific flags used by the PHY driver.
* irq: IRQ number of the PHY's interrupt (-1 if none)
* phy_timer: The timer for handling the state machine
+ * sfp_bus_attached: flag indicating whether the SFP bus has been attached
+ * sfp_bus: SFP bus attached to this PHY's fiber port
* attached_dev: The attached enet driver's device instance ptr
* adjust_link: Callback for the enet controller to respond to
* changes in the link state.
@@ -432,6 +436,9 @@ struct phy_device {
struct mutex lock;
+ /* This may be modified under the rtnl lock */
+ bool sfp_bus_attached;
+ struct sfp_bus *sfp_bus;
struct phylink *phylink;
struct net_device *attached_dev;
@@ -1020,6 +1027,10 @@ int phy_suspend(struct phy_device *phydev);
int phy_resume(struct phy_device *phydev);
int __phy_resume(struct phy_device *phydev);
int phy_loopback(struct phy_device *phydev, bool enable);
+void phy_sfp_attach(void *upstream, struct sfp_bus *bus);
+void phy_sfp_detach(void *upstream, struct sfp_bus *bus);
+int phy_sfp_probe(struct phy_device *phydev,
+ const struct sfp_upstream_ops *ops);
struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
phy_interface_t interface);
struct phy_device *phy_find_first(struct mii_bus *bus);