58 #define NETDEVICE_SHOW(field, format_string)				\  argument
59 static ssize_t format_##field(const struct net_device *dev, char *buf)	\
61 	return sprintf(buf, format_string, dev->field);			\
63 static ssize_t field##_show(struct device *dev,				\
66 	return netdev_show(dev, attr, buf, format_##field);		\
69 #define NETDEVICE_SHOW_RO(field, format_string)				\  argument
70 NETDEVICE_SHOW(field, format_string);					\
71 static DEVICE_ATTR_RO(field)
73 #define NETDEVICE_SHOW_RW(field, format_string)				\  argument
74 NETDEVICE_SHOW(field, format_string);					\
75 static DEVICE_ATTR_RW(field)