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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef __PHY_PORT_H#define __PHY_PORT_H
#include <linux/ethtool.h>#include <linux/types.h>#include <linux/phy.h>
struct phy_port;
/** * enum phy_port_parent - The device this port is attached to * * @PHY_PORT_PHY: Indicates that the port is driven by a PHY device */enum phy_port_parent { PHY_PORT_PHY,};
struct phy_port_ops { /* Sometimes, the link state can be retrieved from physical, * out-of-band channels such as the LOS signal on SFP. These * callbacks allows notifying the port about state changes */ void (*link_up)(struct phy_port *port); void (*link_down)(struct phy_port *port);
/* If the port acts as a Media Independent Interface (Serdes port), * configures the port with the relevant state and mode. When enable is * not set, interface should be ignored */ int (*configure_mii)(struct phy_port *port, bool enable, phy_interface_t interface);};
/** * struct phy_port - A representation of a network device physical interface * * @head: Used by the port's parent to list ports * @parent_type: The type of device this port is directly connected to * @phy: If the parent is PHY_PORT_PHYDEV, the PHY controlling that port * @ops: Callback ops implemented by the port controller * @pairs: The number of pairs this port has, 0 if not applicable * @mediums: Bitmask of the physical mediums this port provides access to * @supported: The link modes this port can expose, if this port is MDI (not MII) * @interfaces: The MII interfaces this port supports, if this port is MII * @not_described: Indicates to the parent driver if this port isn't described, * so it's up to the parent to filter its capabilities. * @active: Indicates if the port is currently part of the active link. * @is_mii: Indicates if this port is MII (Media Independent Interface), * or MDI (Media Dependent Interface). * @is_sfp: Indicates if this port drives an SFP cage. */struct phy_port { struct list_head head; enum phy_port_parent parent_type; union { struct phy_device *phy; };
const struct phy_port_ops *ops;
int pairs; unsigned long mediums; __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); DECLARE_PHY_INTERFACE_MASK(interfaces);
unsigned int not_described:1; unsigned int active:1; unsigned int is_mii:1; unsigned int is_sfp:1;};
struct phy_port *phy_port_alloc(void);void phy_port_destroy(struct phy_port *port);
static inline struct phy_device *port_phydev(struct phy_port *port){ return port->phy;}
struct phy_port *phy_of_parse_port(struct device_node *dn);
static inline bool phy_port_is_copper(struct phy_port *port){ return port->mediums == BIT(ETHTOOL_LINK_MEDIUM_BASET);}
static inline bool phy_port_is_fiber(struct phy_port *port){ return !!(port->mediums & ETHTOOL_MEDIUM_FIBER_BITS);}
void phy_port_update_supported(struct phy_port *port);int phy_port_restrict_mediums(struct phy_port *port, unsigned long mediums);
int phy_port_get_type(struct phy_port *port);
#endif