On Sat, Sep 16, 2006 at 08:27:44PM +0900, YAMAMOTO Takashi wrote:
> 	ifnet_specific_key_t ifnet_specific_key_create(void);
> 	void ifnet_specific_key_destroy(ifnet_specific_key_t);
> 	void *ifnet_getspecific(struct ifnet *, ifnet_specific_key_t);
> 	void ifnet_setspecific(struct ifnet *, ifnet_specific_key_t, void *);

How about doing something like 

	prop_dictionary_t dv_properties;/* properties dictionary */

in struct device instead? That way we could have an analogon to
device_properties(), like ifnet_properties().

Martin