if_arp.h File Reference

#include <sys/socket.h>

Include dependency graph for if_arp.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	arphdr
struct	arpreq

Macros
#define	ARPHRD_ETHER   1 /* ethernet hardware format */
#define	ARPHRD_IEEE802   6 /* token-ring hardware format */
#define	ARPHRD_ARCNET   7 /* arcnet hardware format */
#define	ARPHRD_FRELAY   15 /* frame relay hardware format */
#define	ARPHRD_IEEE1394   24 /* firewire hardware format */
#define	ARPOP_REQUEST   1 /* request to resolve address */
#define	ARPOP_REPLY   2 /* response to previous request */
#define	ARPOP_REVREQUEST   3 /* request protocol address given hardware */
#define	ARPOP_REVREPLY   4 /* response giving protocol address */
#define	ARPOP_INVREQUEST   8 /* request to identify peer */
#define	ARPOP_INVREPLY   9 /* response identifying peer */
#define	ar_sha(ap)   (((caddr_t)((ap)+1)) + 0)
#define	ar_spa(ap)   (((caddr_t)((ap)+1)) + (ap)->ar_hln)
#define	ar_tha(ap)   (((caddr_t)((ap)+1)) + (ap)->ar_hln + (ap)->ar_pln)
#define	ar_tpa(ap)   (((caddr_t)((ap)+1)) + 2*(ap)->ar_hln + (ap)->ar_pln)
#define	arphdr_len2(ar_hln, ar_pln)   (sizeof(struct arphdr) + 2*(ar_hln) + 2*(ar_pln))
#define	arphdr_len(ap)   (arphdr_len2((ap)->ar_hln, (ap)->ar_pln))
#define	ATF_INUSE   0x01 /* entry in use */
#define	ATF_COM   0x02 /* completed entry (enaddr valid) */
#define	ATF_PERM   0x04 /* permanent entry */
#define	ATF_PUBL   0x08 /* publish entry (respond for other host) */
#define	ATF_USETRAILERS   0x10 /* has requested trailers */