47 int sfp_parse_port(struct sfp_bus *bus, const struct sfp_eeprom_id *id,  in sfp_parse_port()  argument
86 		dev_warn(bus->sfp_dev, "SFP: unknown connector id 0x%02x\n",  in sfp_parse_port()
117 void sfp_parse_support(struct sfp_bus *bus, const struct sfp_eeprom_id *id,  in sfp_parse_support()  argument
208 		dev_warn(bus->sfp_dev,  in sfp_parse_support()
255 phy_interface_t sfp_select_interface(struct sfp_bus *bus,  in sfp_select_interface()  argument
277 	dev_warn(bus->sfp_dev, "Unable to ascertain link mode\n");  in sfp_select_interface()
286 static const struct sfp_upstream_ops *sfp_get_upstream_ops(struct sfp_bus *bus)  in sfp_get_upstream_ops()  argument
288 	return bus->registered ? bus->upstream_ops : NULL;  in sfp_get_upstream_ops()
324 	struct sfp_bus *bus = container_of(kref, struct sfp_bus, kref);  in sfp_bus_release()  local
326 	list_del(&bus->node);  in sfp_bus_release()
328 	kfree(bus);  in sfp_bus_release()
331 static void sfp_bus_put(struct sfp_bus *bus)  in sfp_bus_put()  argument
333 	kref_put_mutex(&bus->kref, sfp_bus_release, &sfp_mutex);  in sfp_bus_put()
336 static int sfp_register_bus(struct sfp_bus *bus)  in sfp_register_bus()  argument
338 	const struct sfp_upstream_ops *ops = bus->upstream_ops;  in sfp_register_bus()
343 			ops->link_down(bus->upstream);  in sfp_register_bus()
344 		if (ops->connect_phy && bus->phydev) {  in sfp_register_bus()
345 			ret = ops->connect_phy(bus->upstream, bus->phydev);  in sfp_register_bus()
350 	if (bus->started)  in sfp_register_bus()
351 		bus->socket_ops->start(bus->sfp);  in sfp_register_bus()
352 	bus->netdev->sfp_bus = bus;  in sfp_register_bus()
353 	bus->registered = true;  in sfp_register_bus()
357 static void sfp_unregister_bus(struct sfp_bus *bus)  in sfp_unregister_bus()  argument
359 	const struct sfp_upstream_ops *ops = bus->upstream_ops;  in sfp_unregister_bus()
361 	bus->netdev->sfp_bus = NULL;  in sfp_unregister_bus()
362 	if (bus->registered) {  in sfp_unregister_bus()
363 		if (bus->started)  in sfp_unregister_bus()
364 			bus->socket_ops->stop(bus->sfp);  in sfp_unregister_bus()
365 		if (bus->phydev && ops && ops->disconnect_phy)  in sfp_unregister_bus()
366 			ops->disconnect_phy(bus->upstream);  in sfp_unregister_bus()
368 	bus->registered = false;  in sfp_unregister_bus()
381 int sfp_get_module_info(struct sfp_bus *bus, struct ethtool_modinfo *modinfo)  in sfp_get_module_info()  argument
383 	return bus->socket_ops->module_info(bus->sfp, modinfo);  in sfp_get_module_info()
398 int sfp_get_module_eeprom(struct sfp_bus *bus, struct ethtool_eeprom *ee,  in sfp_get_module_eeprom()  argument
401 	return bus->socket_ops->module_eeprom(bus->sfp, ee, data);  in sfp_get_module_eeprom()
414 void sfp_upstream_start(struct sfp_bus *bus)  in sfp_upstream_start()  argument
416 	if (bus->registered)  in sfp_upstream_start()
417 		bus->socket_ops->start(bus->sfp);  in sfp_upstream_start()
418 	bus->started = true;  in sfp_upstream_start()
431 void sfp_upstream_stop(struct sfp_bus *bus)  in sfp_upstream_stop()  argument
433 	if (bus->registered)  in sfp_upstream_stop()
434 		bus->socket_ops->stop(bus->sfp);  in sfp_upstream_stop()
435 	bus->started = false;  in sfp_upstream_stop()
439 static void sfp_upstream_clear(struct sfp_bus *bus)  in sfp_upstream_clear()  argument
441 	bus->upstream_ops = NULL;  in sfp_upstream_clear()
442 	bus->upstream = NULL;  in sfp_upstream_clear()
443 	bus->netdev = NULL;  in sfp_upstream_clear()
463 	struct sfp_bus *bus = sfp_bus_get(fwnode);  in sfp_register_upstream()  local
466 	if (bus) {  in sfp_register_upstream()
468 		bus->upstream_ops = ops;  in sfp_register_upstream()
469 		bus->upstream = upstream;  in sfp_register_upstream()
470 		bus->netdev = ndev;  in sfp_register_upstream()
472 		if (bus->sfp) {  in sfp_register_upstream()
473 			ret = sfp_register_bus(bus);  in sfp_register_upstream()
475 				sfp_upstream_clear(bus);  in sfp_register_upstream()
481 		sfp_bus_put(bus);  in sfp_register_upstream()
482 		bus = NULL;  in sfp_register_upstream()
485 	return bus;  in sfp_register_upstream()
496 void sfp_unregister_upstream(struct sfp_bus *bus)  in sfp_unregister_upstream()  argument
499 	if (bus->sfp)  in sfp_unregister_upstream()
500 		sfp_unregister_bus(bus);  in sfp_unregister_upstream()
501 	sfp_upstream_clear(bus);  in sfp_unregister_upstream()
504 	sfp_bus_put(bus);  in sfp_unregister_upstream()
509 int sfp_add_phy(struct sfp_bus *bus, struct phy_device *phydev)  in sfp_add_phy()  argument
511 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_add_phy()
515 		ret = ops->connect_phy(bus->upstream, phydev);  in sfp_add_phy()
518 		bus->phydev = phydev;  in sfp_add_phy()
524 void sfp_remove_phy(struct sfp_bus *bus)  in sfp_remove_phy()  argument
526 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_remove_phy()
529 		ops->disconnect_phy(bus->upstream);  in sfp_remove_phy()
530 	bus->phydev = NULL;  in sfp_remove_phy()
534 void sfp_link_up(struct sfp_bus *bus)  in sfp_link_up()  argument
536 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_link_up()
539 		ops->link_up(bus->upstream);  in sfp_link_up()
543 void sfp_link_down(struct sfp_bus *bus)  in sfp_link_down()  argument
545 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_link_down()
548 		ops->link_down(bus->upstream);  in sfp_link_down()
552 int sfp_module_insert(struct sfp_bus *bus, const struct sfp_eeprom_id *id)  in sfp_module_insert()  argument
554 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_module_insert()
558 		ret = ops->module_insert(bus->upstream, id);  in sfp_module_insert()
564 void sfp_module_remove(struct sfp_bus *bus)  in sfp_module_remove()  argument
566 	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);  in sfp_module_remove()
569 		ops->module_remove(bus->upstream);  in sfp_module_remove()
573 static void sfp_socket_clear(struct sfp_bus *bus)  in sfp_socket_clear()  argument
575 	bus->sfp_dev = NULL;  in sfp_socket_clear()
576 	bus->sfp = NULL;  in sfp_socket_clear()
577 	bus->socket_ops = NULL;  in sfp_socket_clear()
583 	struct sfp_bus *bus = sfp_bus_get(dev->fwnode);  in sfp_register_socket()  local
586 	if (bus) {  in sfp_register_socket()
588 		bus->sfp_dev = dev;  in sfp_register_socket()
589 		bus->sfp = sfp;  in sfp_register_socket()
590 		bus->socket_ops = ops;  in sfp_register_socket()
592 		if (bus->netdev) {  in sfp_register_socket()
593 			ret = sfp_register_bus(bus);  in sfp_register_socket()
595 				sfp_socket_clear(bus);  in sfp_register_socket()
601 		sfp_bus_put(bus);  in sfp_register_socket()
602 		bus = NULL;  in sfp_register_socket()
605 	return bus;  in sfp_register_socket()
609 void sfp_unregister_socket(struct sfp_bus *bus)  in sfp_unregister_socket()  argument
612 	if (bus->netdev)  in sfp_unregister_socket()
613 		sfp_unregister_bus(bus);  in sfp_unregister_socket()
614 	sfp_socket_clear(bus);  in sfp_unregister_socket()
617 	sfp_bus_put(bus);  in sfp_unregister_socket()