1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3*0Sstevel@tonic-gate * Use is subject to license terms. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate /* 7*0Sstevel@tonic-gate * Copyright (c) 1982, 1986 Regents of the University of California. 8*0Sstevel@tonic-gate * All rights reserved. 9*0Sstevel@tonic-gate * 10*0Sstevel@tonic-gate * Redistribution and use in source and binary forms are permitted 11*0Sstevel@tonic-gate * provided that this notice is preserved and that due credit is given 12*0Sstevel@tonic-gate * to the University of California at Berkeley. The name of the University 13*0Sstevel@tonic-gate * may not be used to endorse or promote products derived from this 14*0Sstevel@tonic-gate * software without specific prior written permission. This software 15*0Sstevel@tonic-gate * is provided ``as is'' without express or implied warranty. 16*0Sstevel@tonic-gate */ 17*0Sstevel@tonic-gate 18*0Sstevel@tonic-gate #ifndef _NETINET_IF_ETHER_H 19*0Sstevel@tonic-gate #define _NETINET_IF_ETHER_H 20*0Sstevel@tonic-gate 21*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 22*0Sstevel@tonic-gate /* if_ether.h 1.28 89/08/04 SMI; from UCB 7.2 12/7/87 */ 23*0Sstevel@tonic-gate 24*0Sstevel@tonic-gate #include <sys/ethernet.h> 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate /* 27*0Sstevel@tonic-gate * The following include is for compatibility with SunOS 3.x and 28*0Sstevel@tonic-gate * 4.3bsd. Newly written programs should include it separately. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate #include <net/if_arp.h> 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * Ethernet Address Resolution Protocol. 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate * See RFC 826 for protocol description. Structure below is adapted 40*0Sstevel@tonic-gate * to resolving internet addresses. Field names used correspond to 41*0Sstevel@tonic-gate * RFC 826. 42*0Sstevel@tonic-gate */ 43*0Sstevel@tonic-gate struct ether_arp { 44*0Sstevel@tonic-gate struct arphdr ea_hdr; /* fixed-size header */ 45*0Sstevel@tonic-gate ether_addr_t arp_sha; /* sender hardware address */ 46*0Sstevel@tonic-gate uchar_t arp_spa[4]; /* sender protocol address */ 47*0Sstevel@tonic-gate ether_addr_t arp_tha; /* target hardware address */ 48*0Sstevel@tonic-gate uchar_t arp_tpa[4]; /* target protocol address */ 49*0Sstevel@tonic-gate }; 50*0Sstevel@tonic-gate #define arp_hrd ea_hdr.ar_hrd 51*0Sstevel@tonic-gate #define arp_pro ea_hdr.ar_pro 52*0Sstevel@tonic-gate #define arp_hln ea_hdr.ar_hln 53*0Sstevel@tonic-gate #define arp_pln ea_hdr.ar_pln 54*0Sstevel@tonic-gate #define arp_op ea_hdr.ar_op 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate /* 57*0Sstevel@tonic-gate * multicast address structure 58*0Sstevel@tonic-gate * 59*0Sstevel@tonic-gate * Keep a reference count for each multicast address so 60*0Sstevel@tonic-gate * addresses loaded into chip are unique. 61*0Sstevel@tonic-gate */ 62*0Sstevel@tonic-gate struct mcaddr { 63*0Sstevel@tonic-gate struct ether_addr mc_enaddr; /* multicast address */ 64*0Sstevel@tonic-gate ushort_t mc_count; /* reference count */ 65*0Sstevel@tonic-gate }; 66*0Sstevel@tonic-gate #define MCADDRMAX 64 /* multicast addr table length */ 67*0Sstevel@tonic-gate #define MCCOUNTMAX 4096 /* multicast addr max reference count */ 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate /* 70*0Sstevel@tonic-gate * Structure shared between the ethernet driver modules and 71*0Sstevel@tonic-gate * the address resolution code. For example, each ec_softc or il_softc 72*0Sstevel@tonic-gate * begins with this structure. 73*0Sstevel@tonic-gate * 74*0Sstevel@tonic-gate * The structure contains a pointer to an array of multicast addresses. 75*0Sstevel@tonic-gate * This pointer is NULL until the first successful SIOCADDMULTI ioctl 76*0Sstevel@tonic-gate * is issued for the interface. 77*0Sstevel@tonic-gate */ 78*0Sstevel@tonic-gate struct arpcom { 79*0Sstevel@tonic-gate struct ifnet ac_if; /* network-visible interface */ 80*0Sstevel@tonic-gate struct ether_addr ac_enaddr; /* ethernet hardware address */ 81*0Sstevel@tonic-gate struct in_addr ac_ipaddr; /* copy of ip address- XXX */ 82*0Sstevel@tonic-gate struct mcaddr *ac_mcaddr; /* table of multicast addrs */ 83*0Sstevel@tonic-gate ushort_t ac_nmcaddr; /* count of M/C addrs in use */ 84*0Sstevel@tonic-gate struct in_addr ac_lastip; /* cache of last ARP lookup */ 85*0Sstevel@tonic-gate struct ether_addr ac_lastarp; /* result of the last ARP */ 86*0Sstevel@tonic-gate }; 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * Internet to ethernet address resolution table. 90*0Sstevel@tonic-gate */ 91*0Sstevel@tonic-gate struct arptab { 92*0Sstevel@tonic-gate struct in_addr at_iaddr; /* internet address */ 93*0Sstevel@tonic-gate union { 94*0Sstevel@tonic-gate struct ether_addr atu_enaddr; /* ethernet address */ 95*0Sstevel@tonic-gate long atu_tvsec; /* timestamp if incomplete */ 96*0Sstevel@tonic-gate } at_union; 97*0Sstevel@tonic-gate uchar_t at_timer; /* minutes since last reference */ 98*0Sstevel@tonic-gate uchar_t at_flags; /* flags */ 99*0Sstevel@tonic-gate struct mbuf *at_hold; /* last packet until resolved/timeout */ 100*0Sstevel@tonic-gate }; 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate #define at_enaddr at_union.atu_enaddr 103*0Sstevel@tonic-gate #define at_tvsec at_union.atu_tvsec 104*0Sstevel@tonic-gate 105*0Sstevel@tonic-gate /* 106*0Sstevel@tonic-gate * Copy IP addresses from a to b - assumes that the two given 107*0Sstevel@tonic-gate * pointers can be referenced as shorts. On architectures 108*0Sstevel@tonic-gate * where this is not the case, use bcopy instead. 109*0Sstevel@tonic-gate */ 110*0Sstevel@tonic-gate #if defined(__sparc) || defined(__i386) || defined(__amd64) 111*0Sstevel@tonic-gate #define ip_copy(a, b) { ((short *)b)[0] = ((short *)a)[0]; \ 112*0Sstevel@tonic-gate ((short *)b)[1] = ((short *)a)[1]; } 113*0Sstevel@tonic-gate #else 114*0Sstevel@tonic-gate #define ip_copy(a, b) (bcopy((caddr_t)a, (caddr_t)b, 4)) 115*0Sstevel@tonic-gate #endif 116*0Sstevel@tonic-gate 117*0Sstevel@tonic-gate #ifdef __cplusplus 118*0Sstevel@tonic-gate } 119*0Sstevel@tonic-gate #endif 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate #endif /* _NETINET_IF_ETHER_H */ 122