diff options
Diffstat (limited to 'sys/net/if_arp.h')
| -rw-r--r-- | sys/net/if_arp.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/net/if_arp.h b/sys/net/if_arp.h index 6760972..227a7d2 100644 --- a/sys/net/if_arp.h +++ b/sys/net/if_arp.h @@ -51,6 +51,7 @@ struct arphdr { u_short ar_hrd; /* format of hardware address */ #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 */ u_short ar_pro; /* format of protocol address */ u_char ar_hln; /* length of hardware address */ @@ -74,6 +75,15 @@ struct arphdr { #endif }; +#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)) + /* * ARP ioctl request */ |
