root/drivers/net/phy/sfp.h
#ifndef SFP_H
#define SFP_H

#include <linux/ethtool.h>
#include <linux/sfp.h>

struct sfp;

struct sfp_quirk {
        const char *vendor;
        const char *part;
        void (*support)(const struct sfp_eeprom_id *id,
                        struct sfp_module_caps *caps);
        void (*fixup)(struct sfp *sfp);
};

struct sfp_socket_ops {
        void (*attach)(struct sfp *sfp);
        void (*detach)(struct sfp *sfp);
        void (*start)(struct sfp *sfp);
        void (*stop)(struct sfp *sfp);
        void (*set_signal_rate)(struct sfp *sfp, unsigned int rate_kbd);
        int (*module_info)(struct sfp *sfp, struct ethtool_modinfo *modinfo);
        int (*module_eeprom)(struct sfp *sfp, struct ethtool_eeprom *ee,
                             u8 *data);
        int (*module_eeprom_by_page)(struct sfp *sfp,
                                     const struct ethtool_module_eeprom *page,
                                     struct netlink_ext_ack *extack);
};

int sfp_add_phy(struct sfp_bus *bus, struct phy_device *phydev);
void sfp_remove_phy(struct sfp_bus *bus);
void sfp_link_up(struct sfp_bus *bus);
void sfp_link_down(struct sfp_bus *bus);
int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id,
                      const struct sfp_quirk *quirk);
void sfp_module_remove(struct sfp_bus *bus);
int sfp_module_start(struct sfp_bus *bus);
void sfp_module_stop(struct sfp_bus *bus);
struct sfp_bus *sfp_register_socket(struct device *dev, struct sfp *sfp,
                                    const struct sfp_socket_ops *ops);
void sfp_unregister_socket(struct sfp_bus *bus);

#endif