11da177e4SLinus Torvalds /* linux/net/inet/arp.h */ 21da177e4SLinus Torvalds #ifndef _ARP_H 31da177e4SLinus Torvalds #define _ARP_H 41da177e4SLinus Torvalds 51da177e4SLinus Torvalds #include <linux/if_arp.h> 61da177e4SLinus Torvalds #include <net/neighbour.h> 71da177e4SLinus Torvalds 81da177e4SLinus Torvalds 91da177e4SLinus Torvalds extern struct neigh_table arp_tbl; 101da177e4SLinus Torvalds 11*f610b74bSDavid S. Miller static inline u32 arp_hashfn(u32 key, const struct net_device *dev, u32 hash_rnd) 12*f610b74bSDavid S. Miller { 13*f610b74bSDavid S. Miller u32 val = key ^ dev->ifindex; 14*f610b74bSDavid S. Miller 15*f610b74bSDavid S. Miller return val * hash_rnd; 16*f610b74bSDavid S. Miller } 17*f610b74bSDavid S. Miller 181da177e4SLinus Torvalds extern void arp_init(void); 191da177e4SLinus Torvalds extern int arp_find(unsigned char *haddr, struct sk_buff *skb); 2032e569b7SPavel Emelyanov extern int arp_ioctl(struct net *net, unsigned int cmd, void __user *arg); 21ed9bad06SAl Viro extern void arp_send(int type, int ptype, __be32 dest_ip, 22ed9bad06SAl Viro struct net_device *dev, __be32 src_ip, 23abfdf1c4SJan Engelhardt const unsigned char *dest_hw, 24abfdf1c4SJan Engelhardt const unsigned char *src_hw, const unsigned char *th); 251da177e4SLinus Torvalds extern int arp_bind_neighbour(struct dst_entry *dst); 26714e85beSAl Viro extern int arp_mc_map(__be32 addr, u8 *haddr, struct net_device *dev, int dir); 271da177e4SLinus Torvalds extern void arp_ifdown(struct net_device *dev); 281da177e4SLinus Torvalds 29ed9bad06SAl Viro extern struct sk_buff *arp_create(int type, int ptype, __be32 dest_ip, 30ed9bad06SAl Viro struct net_device *dev, __be32 src_ip, 31abfdf1c4SJan Engelhardt const unsigned char *dest_hw, 32abfdf1c4SJan Engelhardt const unsigned char *src_hw, 33abfdf1c4SJan Engelhardt const unsigned char *target_hw); 341da177e4SLinus Torvalds extern void arp_xmit(struct sk_buff *skb); 35545ecdc3SMaxim Levitsky int arp_invalidate(struct net_device *dev, __be32 ip); 361da177e4SLinus Torvalds 371da177e4SLinus Torvalds #endif /* _ARP_H */ 38