1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate * ethernet.h header for common Ethernet declarations. 29*0Sstevel@tonic-gate */ 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #ifndef _SYS_ETHERNET_H 32*0Sstevel@tonic-gate #define _SYS_ETHERNET_H 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #ifdef __cplusplus 37*0Sstevel@tonic-gate extern "C" { 38*0Sstevel@tonic-gate #endif 39*0Sstevel@tonic-gate 40*0Sstevel@tonic-gate #define ETHERADDRL (6) /* ethernet address length in octets */ 41*0Sstevel@tonic-gate #define ETHERFCSL (4) /* ethernet FCS length in octets */ 42*0Sstevel@tonic-gate 43*0Sstevel@tonic-gate /* 44*0Sstevel@tonic-gate * Ethernet address - 6 octets 45*0Sstevel@tonic-gate */ 46*0Sstevel@tonic-gate typedef uchar_t ether_addr_t[ETHERADDRL]; 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate /* 49*0Sstevel@tonic-gate * Ethernet address - 6 octets 50*0Sstevel@tonic-gate */ 51*0Sstevel@tonic-gate struct ether_addr { 52*0Sstevel@tonic-gate ether_addr_t ether_addr_octet; 53*0Sstevel@tonic-gate }; 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate /* 56*0Sstevel@tonic-gate * Structure of a 10Mb/s Ethernet header. 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate struct ether_header { 59*0Sstevel@tonic-gate struct ether_addr ether_dhost; 60*0Sstevel@tonic-gate struct ether_addr ether_shost; 61*0Sstevel@tonic-gate ushort_t ether_type; 62*0Sstevel@tonic-gate }; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #define ETHER_CFI 0 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate struct ether_vlan_header { 67*0Sstevel@tonic-gate struct ether_addr ether_dhost; 68*0Sstevel@tonic-gate struct ether_addr ether_shost; 69*0Sstevel@tonic-gate ushort_t ether_tpid; 70*0Sstevel@tonic-gate ushort_t ether_tci; 71*0Sstevel@tonic-gate ushort_t ether_type; 72*0Sstevel@tonic-gate }; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate #define ETHERTYPE_PUP (0x0200) /* PUP protocol */ 75*0Sstevel@tonic-gate #define ETHERTYPE_802_MIN (0x0600) /* Min valid ethernet type */ 76*0Sstevel@tonic-gate /* under IEEE 802.3 rules */ 77*0Sstevel@tonic-gate #define ETHERTYPE_IP (0x0800) /* IP protocol */ 78*0Sstevel@tonic-gate #define ETHERTYPE_ARP (0x0806) /* Addr. resolution protocol */ 79*0Sstevel@tonic-gate #define ETHERTYPE_REVARP (0x8035) /* Reverse ARP */ 80*0Sstevel@tonic-gate #define ETHERTYPE_AT (0x809b) /* AppleTalk protocol */ 81*0Sstevel@tonic-gate #define ETHERTYPE_AARP (0x80f3) /* AppleTalk ARP */ 82*0Sstevel@tonic-gate #define ETHERTYPE_IPV6 (0x86dd) /* IPv6 */ 83*0Sstevel@tonic-gate #define ETHERTYPE_SLOW (0x8809) /* Slow Protocol */ 84*0Sstevel@tonic-gate #define ETHERTYPE_PPPOED (0x8863) /* PPPoE Discovery Stage */ 85*0Sstevel@tonic-gate #define ETHERTYPE_PPPOES (0x8864) /* PPPoE Session Stage */ 86*0Sstevel@tonic-gate #define ETHERTYPE_MAX (0xffff) /* Max valid ethernet type */ 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate /* 89*0Sstevel@tonic-gate * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 90*0Sstevel@tonic-gate * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 91*0Sstevel@tonic-gate * by an ETHER type (as given above) and then the (variable-length) header. 92*0Sstevel@tonic-gate */ 93*0Sstevel@tonic-gate #define ETHERTYPE_TRAIL (0x1000) /* Trailer packet */ 94*0Sstevel@tonic-gate #define ETHERTYPE_NTRAILER (16) 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate #define ETHERMTU (1500) /* max frame w/o header or fcs */ 97*0Sstevel@tonic-gate #define ETHERMIN (60) /* min frame w/header w/o fcs */ 98*0Sstevel@tonic-gate #define ETHERMAX (1514) /* max frame w/header w/o fcs */ 99*0Sstevel@tonic-gate 100*0Sstevel@tonic-gate /* 101*0Sstevel@tonic-gate * Compare two Ethernet addresses - assumes that the two given 102*0Sstevel@tonic-gate * pointers can be referenced as shorts. On architectures 103*0Sstevel@tonic-gate * where this is not the case, use bcmp instead. Note that like 104*0Sstevel@tonic-gate * bcmp, we return zero if they are the SAME. 105*0Sstevel@tonic-gate */ 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate #if defined(__sparc) || defined(__i386) || defined(__amd64) 108*0Sstevel@tonic-gate #define ether_cmp(a, b) (((short *)b)[2] != ((short *)a)[2] || \ 109*0Sstevel@tonic-gate ((short *)b)[1] != ((short *)a)[1] || \ 110*0Sstevel@tonic-gate ((short *)b)[0] != ((short *)a)[0]) 111*0Sstevel@tonic-gate #else 112*0Sstevel@tonic-gate #define ether_cmp(a, b) (bcmp((caddr_t)a, (caddr_t)b, 6)) 113*0Sstevel@tonic-gate #endif 114*0Sstevel@tonic-gate 115*0Sstevel@tonic-gate /* 116*0Sstevel@tonic-gate * Copy Ethernet addresses from a to b - assumes that the two given 117*0Sstevel@tonic-gate * pointers can be referenced as shorts. On architectures 118*0Sstevel@tonic-gate * where this is not the case, use bcopy instead. 119*0Sstevel@tonic-gate */ 120*0Sstevel@tonic-gate 121*0Sstevel@tonic-gate #if defined(__sparc) || defined(__i386) || defined(__amd64) 122*0Sstevel@tonic-gate #define ether_copy(a, b) { ((short *)b)[0] = ((short *)a)[0]; \ 123*0Sstevel@tonic-gate ((short *)b)[1] = ((short *)a)[1]; ((short *)b)[2] = ((short *)a)[2]; } 124*0Sstevel@tonic-gate #else 125*0Sstevel@tonic-gate #define ether_copy(a, b) (bcopy((caddr_t)a, (caddr_t)b, 6)) 126*0Sstevel@tonic-gate #endif 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate #ifdef _KERNEL 129*0Sstevel@tonic-gate extern int localetheraddr(struct ether_addr *, struct ether_addr *); 130*0Sstevel@tonic-gate extern char *ether_sprintf(struct ether_addr *); 131*0Sstevel@tonic-gate extern int ether_aton(char *, uchar_t *); 132*0Sstevel@tonic-gate #else /* _KERNEL */ 133*0Sstevel@tonic-gate #ifdef __STDC__ 134*0Sstevel@tonic-gate extern char *ether_ntoa(const struct ether_addr *); 135*0Sstevel@tonic-gate extern struct ether_addr *ether_aton(const char *); 136*0Sstevel@tonic-gate extern int ether_ntohost(char *, const struct ether_addr *); 137*0Sstevel@tonic-gate extern int ether_hostton(const char *, struct ether_addr *); 138*0Sstevel@tonic-gate extern int ether_line(const char *, struct ether_addr *, char *); 139*0Sstevel@tonic-gate #else /* __STDC__ */ 140*0Sstevel@tonic-gate extern char *ether_ntoa(); 141*0Sstevel@tonic-gate extern struct ether_addr *ether_aton(); 142*0Sstevel@tonic-gate extern int ether_ntohost(); 143*0Sstevel@tonic-gate extern int ether_hostton(); 144*0Sstevel@tonic-gate extern int ether_line(); 145*0Sstevel@tonic-gate #endif /* __STDC__ */ 146*0Sstevel@tonic-gate #endif /* _KERNEL */ 147*0Sstevel@tonic-gate 148*0Sstevel@tonic-gate #ifdef __cplusplus 149*0Sstevel@tonic-gate } 150*0Sstevel@tonic-gate #endif 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate #endif /* _SYS_ETHERNET_H */ 153