aarp.h revision 15885
1/* 2 * Copyright (c) 1990,1991 Regents of The University of Michigan. 3 * All Rights Reserved. 4 */ 5 6#ifndef _NETATALK_AARP_H_ 7/* 8 * This structure is used for both phase 1 and 2. Under phase 1 9 * the net is not filled in. It is in phase 2. In both cases, the 10 * hardware address length is (for some unknown reason) 4. If 11 * anyone at Apple could program their way out of paper bag, it 12 * would be 1 and 3 respectively for phase 1 and 2. 13 */ 14union aapa { 15 u_char ap_pa[4]; 16 struct ap_node { 17 u_char an_zero; 18 u_char an_net[2]; 19 u_char an_node; 20 } ap_node; 21}; 22 23struct ether_aarp { 24 struct arphdr eaa_hdr; 25 u_char aarp_sha[6]; 26 union aapa aarp_spu; 27 u_char aarp_tha[6]; 28 union aapa aarp_tpu; 29}; 30#define aarp_hrd eaa_hdr.ar_hrd 31#define aarp_pro eaa_hdr.ar_pro 32#define aarp_hln eaa_hdr.ar_hln 33#define aarp_pln eaa_hdr.ar_pln 34#define aarp_op eaa_hdr.ar_op 35#define aarp_spa aarp_spu.ap_node.an_node 36#define aarp_tpa aarp_tpu.ap_node.an_node 37#define aarp_spnet aarp_spu.ap_node.an_net 38#define aarp_tpnet aarp_tpu.ap_node.an_net 39#define aarp_spnode aarp_spu.ap_node.an_node 40#define aarp_tpnode aarp_tpu.ap_node.an_node 41 42struct aarptab { 43 struct at_addr aat_ataddr; 44 u_char aat_enaddr[ 6 ]; 45 u_char aat_timer; 46 u_char aat_flags; 47 struct mbuf *aat_hold; 48}; 49 50#define AARPHRD_ETHER 0x0001 51 52#define AARPOP_REQUEST 0x01 53#define AARPOP_RESPONSE 0x02 54#define AARPOP_PROBE 0x03 55 56#ifdef KERNEL 57struct aarptab *aarptnew(struct at_addr *); 58#if !defined( __FreeBSD__ ) 59int aarpprobe(); 60#endif 61#endif 62#endif /* _NETATALK_AARP_H_ */ 63