extern void arp_send(int type, int ptype, u32 dest_ip,
struct net_device *dev, u32 src_ip,
unsigned char *dest_hw, unsigned char *src_hw, unsigned char *th);
extern void arp_send(int type, int ptype, u32 dest_ip,
struct net_device *dev, u32 src_ip,
unsigned char *dest_hw, unsigned char *src_hw, unsigned char *th);