/* Before 2.6.21, struct net_device has a "struct class_device" member named
* class_dev. Beginning with 2.6.21, struct net_device instead has a "struct
* device" member named dev. Otherwise the usage of these members is pretty
/* Before 2.6.21, struct net_device has a "struct class_device" member named
* class_dev. Beginning with 2.6.21, struct net_device instead has a "struct
* device" member named dev. Otherwise the usage of these members is pretty