net: sfp: Add helper to return the SFP bus name

Knowing the bus name is helpful when we want to expose the link topology to userspace, add a helper to return the SFP bus name.

Maxime Chevallier committed 2 years ago

Commit dedd7021 parent 034fcc22 files · +17 −0Browse files

Unified · Split

2 files

@@ -859,3 +859,14 @@ void sfp_unregister_socket(struct sfp_bus *bus) · 858 unmodified lines
859	859	sfp_bus_put(bus);
860	860	}
861	861	EXPORT_SYMBOL_GPL(sfp_unregister_socket);
	862	+
	863	+const char sfp_get_name(struct sfp_bus bus)
	864	+{
	865	+ ASSERT_RTNL();
	866	+
	867	+ if (bus->sfp_dev)
	868	+ return dev_name(bus->sfp_dev);
	869	+
	870	+ return NULL;
	871	+}
	872	+EXPORT_SYMBOL_GPL(sfp_get_name);

@@ -570,6 +570,7 @@ struct sfp_bus sfp_bus_find_fwnode(const struct fwnode_handle fwnode); · 569 unmodified lines
570	570	int sfp_bus_add_upstream(struct sfp_bus bus, void upstream,
571	571	const struct sfp_upstream_ops *ops);
572	572	void sfp_bus_del_upstream(struct sfp_bus *bus);
	573	+const char sfp_get_name(struct sfp_bus bus);
573	574	#else
574	575	static inline int sfp_parse_port(struct sfp_bus *bus,
575	576	const struct sfp_eeprom_id *id,
@@ -648,6 +649,11 @@ static inline int sfp_bus_add_upstream(struct sfp_bus bus, void upstream, · 72 unmodified lines
648	649	static inline void sfp_bus_del_upstream(struct sfp_bus *bus)
649	650	{
650	651	}
	652	+
	653	+static inline const char sfp_get_name(struct sfp_bus bus)
	654	+{
	655	+ return NULL;
	656	+}
651	657	#endif
652	658
653	659	#endif

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