117443Sphk/* 217443Sphk * Fundamental constants relating to ethernet. 317443Sphk * 450477Speter * $FreeBSD$ 517443Sphk * 617443Sphk */ 717443Sphk 817455Sphk#ifndef _NET_ETHERNET_H_ 917455Sphk#define _NET_ETHERNET_H_ 1017455Sphk 1117455Sphk/* 12179036Sscf * Some basic Ethernet constants. 1317455Sphk */ 14106929Ssam#define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ 15106929Ssam#define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */ 16106929Ssam#define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */ 17106929Ssam#define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN) 18106929Ssam#define ETHER_MIN_LEN 64 /* minimum frame len, including CRC */ 19106929Ssam#define ETHER_MAX_LEN 1518 /* maximum frame len, including CRC */ 20106929Ssam#define ETHER_MAX_LEN_JUMBO 9018 /* max jumbo frame len, including CRC */ 2117455Sphk 22106929Ssam#define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */ 2317455Sphk/* 24106929Ssam * Mbuf adjust factor to force 32-bit alignment of IP header. 25106929Ssam * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a 26106929Ssam * receive so the upper layers get the IP header properly aligned 27106929Ssam * past the 14-byte Ethernet header. 2817455Sphk */ 29106929Ssam#define ETHER_ALIGN 2 /* driver adjust for IP hdr alignment */ 3017455Sphk 3117455Sphk/* 32106929Ssam * Compute the maximum frame size based on ethertype (i.e. possible 33106929Ssam * encapsulation) and whether or not an FCS is present. 3417455Sphk */ 35106929Ssam#define ETHER_MAX_FRAME(ifp, etype, hasfcs) \ 36106929Ssam ((ifp)->if_mtu + ETHER_HDR_LEN + \ 37106929Ssam ((hasfcs) ? ETHER_CRC_LEN : 0) + \ 38106929Ssam (((etype) == ETHERTYPE_VLAN) ? ETHER_VLAN_ENCAP_LEN : 0)) 3917455Sphk 4017455Sphk/* 41106929Ssam * Ethernet-specific mbuf flags. 4217455Sphk */ 43106929Ssam#define M_HASFCS M_PROTO5 /* FCS included at end of frame */ 4417455Sphk 4517455Sphk/* 46106929Ssam * Ethernet CRC32 polynomials (big- and little-endian verions). 4717455Sphk */ 48106929Ssam#define ETHER_CRC_POLY_LE 0xedb88320 49106929Ssam#define ETHER_CRC_POLY_BE 0x04c11db6 5017455Sphk 5117455Sphk/* 5217455Sphk * A macro to validate a length with 5317455Sphk */ 5417455Sphk#define ETHER_IS_VALID_LEN(foo) \ 5517455Sphk ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) 5617455Sphk 5717455Sphk/* 5817455Sphk * Structure of a 10Mb/s Ethernet header. 5917455Sphk */ 60165724Scsjpstruct ether_header { 6117455Sphk u_char ether_dhost[ETHER_ADDR_LEN]; 6217455Sphk u_char ether_shost[ETHER_ADDR_LEN]; 6317455Sphk u_short ether_type; 64164381Ssam} __packed; 6517455Sphk 6617455Sphk/* 6717455Sphk * Structure of a 48-bit Ethernet address. 6817455Sphk */ 69165724Scsjpstruct ether_addr { 7017455Sphk u_char octet[ETHER_ADDR_LEN]; 71164785Simp} __packed; 7217455Sphk 73106929Ssam#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ 74106929Ssam 75103024Ssobomax/* 76103024Ssobomax * NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields. 77103024Ssobomax * However, there are some conflicts. 78103024Ssobomax */ 79103024Ssobomax 80103024Ssobomax#define ETHERTYPE_8023 0x0004 /* IEEE 802.3 packet */ 81103024Ssobomax /* 0x0101 .. 0x1FF Experimental */ 82103024Ssobomax#define ETHERTYPE_PUP 0x0200 /* Xerox PUP protocol - see 0A00 */ 83103024Ssobomax#define ETHERTYPE_PUPAT 0x0200 /* PUP Address Translation - see 0A01 */ 84103024Ssobomax#define ETHERTYPE_SPRITE 0x0500 /* ??? */ 85103024Ssobomax /* 0x0400 Nixdorf */ 86103024Ssobomax#define ETHERTYPE_NS 0x0600 /* XNS */ 87103024Ssobomax#define ETHERTYPE_NSAT 0x0601 /* XNS Address Translation (3Mb only) */ 88103024Ssobomax#define ETHERTYPE_DLOG1 0x0660 /* DLOG (?) */ 89103024Ssobomax#define ETHERTYPE_DLOG2 0x0661 /* DLOG (?) */ 9021260Swollman#define ETHERTYPE_IP 0x0800 /* IP protocol */ 91103024Ssobomax#define ETHERTYPE_X75 0x0801 /* X.75 Internet */ 92103024Ssobomax#define ETHERTYPE_NBS 0x0802 /* NBS Internet */ 93103024Ssobomax#define ETHERTYPE_ECMA 0x0803 /* ECMA Internet */ 94103024Ssobomax#define ETHERTYPE_CHAOS 0x0804 /* CHAOSnet */ 95103024Ssobomax#define ETHERTYPE_X25 0x0805 /* X.25 Level 3 */ 96103024Ssobomax#define ETHERTYPE_ARP 0x0806 /* Address resolution protocol */ 97103024Ssobomax#define ETHERTYPE_NSCOMPAT 0x0807 /* XNS Compatibility */ 98103024Ssobomax#define ETHERTYPE_FRARP 0x0808 /* Frame Relay ARP (RFC1701) */ 99103024Ssobomax /* 0x081C Symbolics Private */ 100103024Ssobomax /* 0x0888 - 0x088A Xyplex */ 101103024Ssobomax#define ETHERTYPE_UBDEBUG 0x0900 /* Ungermann-Bass network debugger */ 102103024Ssobomax#define ETHERTYPE_IEEEPUP 0x0A00 /* Xerox IEEE802.3 PUP */ 103103024Ssobomax#define ETHERTYPE_IEEEPUPAT 0x0A01 /* Xerox IEEE802.3 PUP Address Translation */ 104103024Ssobomax#define ETHERTYPE_VINES 0x0BAD /* Banyan VINES */ 105103024Ssobomax#define ETHERTYPE_VINESLOOP 0x0BAE /* Banyan VINES Loopback */ 106103024Ssobomax#define ETHERTYPE_VINESECHO 0x0BAF /* Banyan VINES Echo */ 10721260Swollman 108103024Ssobomax/* 0x1000 - 0x100F Berkeley Trailer */ 10921260Swollman/* 11021260Swollman * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 11121260Swollman * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 11221260Swollman * by an ETHER type (as given above) and then the (variable-length) header. 11321260Swollman */ 114103024Ssobomax#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ 115103024Ssobomax#define ETHERTYPE_NTRAILER 16 116103024Ssobomax 117103024Ssobomax#define ETHERTYPE_DCA 0x1234 /* DCA - Multicast */ 118103024Ssobomax#define ETHERTYPE_VALID 0x1600 /* VALID system protocol */ 119103024Ssobomax#define ETHERTYPE_DOGFIGHT 0x1989 /* Artificial Horizons ("Aviator" dogfight simulator [on Sun]) */ 120103024Ssobomax#define ETHERTYPE_RCL 0x1995 /* Datapoint Corporation (RCL lan protocol) */ 121103024Ssobomax 122103024Ssobomax /* The following 3C0x types 123103024Ssobomax are unregistered: */ 124103024Ssobomax#define ETHERTYPE_NBPVCD 0x3C00 /* 3Com NBP virtual circuit datagram (like XNS SPP) not registered */ 125103024Ssobomax#define ETHERTYPE_NBPSCD 0x3C01 /* 3Com NBP System control datagram not registered */ 126103024Ssobomax#define ETHERTYPE_NBPCREQ 0x3C02 /* 3Com NBP Connect request (virtual cct) not registered */ 127179036Sscf#define ETHERTYPE_NBPCRSP 0x3C03 /* 3Com NBP Connect response not registered */ 128103024Ssobomax#define ETHERTYPE_NBPCC 0x3C04 /* 3Com NBP Connect complete not registered */ 129103024Ssobomax#define ETHERTYPE_NBPCLREQ 0x3C05 /* 3Com NBP Close request (virtual cct) not registered */ 130103024Ssobomax#define ETHERTYPE_NBPCLRSP 0x3C06 /* 3Com NBP Close response not registered */ 131103024Ssobomax#define ETHERTYPE_NBPDG 0x3C07 /* 3Com NBP Datagram (like XNS IDP) not registered */ 132103024Ssobomax#define ETHERTYPE_NBPDGB 0x3C08 /* 3Com NBP Datagram broadcast not registered */ 133103024Ssobomax#define ETHERTYPE_NBPCLAIM 0x3C09 /* 3Com NBP Claim NetBIOS name not registered */ 134179036Sscf#define ETHERTYPE_NBPDLTE 0x3C0A /* 3Com NBP Delete NetBIOS name not registered */ 135103024Ssobomax#define ETHERTYPE_NBPRAS 0x3C0B /* 3Com NBP Remote adaptor status request not registered */ 136103024Ssobomax#define ETHERTYPE_NBPRAR 0x3C0C /* 3Com NBP Remote adaptor response not registered */ 137103024Ssobomax#define ETHERTYPE_NBPRST 0x3C0D /* 3Com NBP Reset not registered */ 138103024Ssobomax 139103024Ssobomax#define ETHERTYPE_PCS 0x4242 /* PCS Basic Block Protocol */ 140103024Ssobomax#define ETHERTYPE_IMLBLDIAG 0x424C /* Information Modes Little Big LAN diagnostic */ 141103024Ssobomax#define ETHERTYPE_DIDDLE 0x4321 /* THD - Diddle */ 142103024Ssobomax#define ETHERTYPE_IMLBL 0x4C42 /* Information Modes Little Big LAN */ 143103024Ssobomax#define ETHERTYPE_SIMNET 0x5208 /* BBN Simnet Private */ 144103024Ssobomax#define ETHERTYPE_DECEXPER 0x6000 /* DEC Unassigned, experimental */ 145103024Ssobomax#define ETHERTYPE_MOPDL 0x6001 /* DEC MOP dump/load */ 146103024Ssobomax#define ETHERTYPE_MOPRC 0x6002 /* DEC MOP remote console */ 147103024Ssobomax#define ETHERTYPE_DECnet 0x6003 /* DEC DECNET Phase IV route */ 148103024Ssobomax#define ETHERTYPE_DN ETHERTYPE_DECnet /* libpcap, tcpdump */ 149103024Ssobomax#define ETHERTYPE_LAT 0x6004 /* DEC LAT */ 150103024Ssobomax#define ETHERTYPE_DECDIAG 0x6005 /* DEC diagnostic protocol (at interface initialization?) */ 151103024Ssobomax#define ETHERTYPE_DECCUST 0x6006 /* DEC customer protocol */ 152103024Ssobomax#define ETHERTYPE_SCA 0x6007 /* DEC LAVC, SCA */ 153103024Ssobomax#define ETHERTYPE_AMBER 0x6008 /* DEC AMBER */ 154103024Ssobomax#define ETHERTYPE_DECMUMPS 0x6009 /* DEC MUMPS */ 155103024Ssobomax /* 0x6010 - 0x6014 3Com Corporation */ 156103024Ssobomax#define ETHERTYPE_TRANSETHER 0x6558 /* Trans Ether Bridging (RFC1701)*/ 157103024Ssobomax#define ETHERTYPE_RAWFR 0x6559 /* Raw Frame Relay (RFC1701) */ 158103024Ssobomax#define ETHERTYPE_UBDL 0x7000 /* Ungermann-Bass download */ 159103024Ssobomax#define ETHERTYPE_UBNIU 0x7001 /* Ungermann-Bass NIUs */ 160103024Ssobomax#define ETHERTYPE_UBDIAGLOOP 0x7002 /* Ungermann-Bass diagnostic/loopback */ 161103024Ssobomax#define ETHERTYPE_UBNMC 0x7003 /* Ungermann-Bass ??? (NMC to/from UB Bridge) */ 162103024Ssobomax#define ETHERTYPE_UBBST 0x7005 /* Ungermann-Bass Bridge Spanning Tree */ 163103024Ssobomax#define ETHERTYPE_OS9 0x7007 /* OS/9 Microware */ 164103024Ssobomax#define ETHERTYPE_OS9NET 0x7009 /* OS/9 Net? */ 165103024Ssobomax /* 0x7020 - 0x7029 LRT (England) (now Sintrom) */ 166103024Ssobomax#define ETHERTYPE_RACAL 0x7030 /* Racal-Interlan */ 167103024Ssobomax#define ETHERTYPE_PRIMENTS 0x7031 /* Prime NTS (Network Terminal Service) */ 168103024Ssobomax#define ETHERTYPE_CABLETRON 0x7034 /* Cabletron */ 169103024Ssobomax#define ETHERTYPE_CRONUSVLN 0x8003 /* Cronus VLN */ 170103024Ssobomax#define ETHERTYPE_CRONUS 0x8004 /* Cronus Direct */ 171103024Ssobomax#define ETHERTYPE_HP 0x8005 /* HP Probe */ 172103024Ssobomax#define ETHERTYPE_NESTAR 0x8006 /* Nestar */ 173103024Ssobomax#define ETHERTYPE_ATTSTANFORD 0x8008 /* AT&T/Stanford (local use) */ 174103024Ssobomax#define ETHERTYPE_EXCELAN 0x8010 /* Excelan */ 175103024Ssobomax#define ETHERTYPE_SG_DIAG 0x8013 /* SGI diagnostic type */ 176103024Ssobomax#define ETHERTYPE_SG_NETGAMES 0x8014 /* SGI network games */ 177103024Ssobomax#define ETHERTYPE_SG_RESV 0x8015 /* SGI reserved type */ 178103024Ssobomax#define ETHERTYPE_SG_BOUNCE 0x8016 /* SGI bounce server */ 179103024Ssobomax#define ETHERTYPE_APOLLODOMAIN 0x8019 /* Apollo DOMAIN */ 180103024Ssobomax#define ETHERTYPE_TYMSHARE 0x802E /* Tymeshare */ 181103024Ssobomax#define ETHERTYPE_TIGAN 0x802F /* Tigan, Inc. */ 182103024Ssobomax#define ETHERTYPE_REVARP 0x8035 /* Reverse addr resolution protocol */ 183103024Ssobomax#define ETHERTYPE_AEONIC 0x8036 /* Aeonic Systems */ 184103024Ssobomax#define ETHERTYPE_IPXNEW 0x8037 /* IPX (Novell Netware?) */ 185103024Ssobomax#define ETHERTYPE_LANBRIDGE 0x8038 /* DEC LANBridge */ 186103024Ssobomax#define ETHERTYPE_DSMD 0x8039 /* DEC DSM/DDP */ 187103024Ssobomax#define ETHERTYPE_ARGONAUT 0x803A /* DEC Argonaut Console */ 188103024Ssobomax#define ETHERTYPE_VAXELN 0x803B /* DEC VAXELN */ 189103024Ssobomax#define ETHERTYPE_DECDNS 0x803C /* DEC DNS Naming Service */ 190103024Ssobomax#define ETHERTYPE_ENCRYPT 0x803D /* DEC Ethernet Encryption */ 191103024Ssobomax#define ETHERTYPE_DECDTS 0x803E /* DEC Distributed Time Service */ 192103024Ssobomax#define ETHERTYPE_DECLTM 0x803F /* DEC LAN Traffic Monitor */ 193103024Ssobomax#define ETHERTYPE_DECNETBIOS 0x8040 /* DEC PATHWORKS DECnet NETBIOS Emulation */ 194103024Ssobomax#define ETHERTYPE_DECLAST 0x8041 /* DEC Local Area System Transport */ 195103024Ssobomax /* 0x8042 DEC Unassigned */ 196103024Ssobomax#define ETHERTYPE_PLANNING 0x8044 /* Planning Research Corp. */ 197103024Ssobomax /* 0x8046 - 0x8047 AT&T */ 198103024Ssobomax#define ETHERTYPE_DECAM 0x8048 /* DEC Availability Manager for Distributed Systems DECamds (but someone at DEC says not) */ 199103024Ssobomax#define ETHERTYPE_EXPERDATA 0x8049 /* ExperData */ 200103024Ssobomax#define ETHERTYPE_VEXP 0x805B /* Stanford V Kernel exp. */ 201103024Ssobomax#define ETHERTYPE_VPROD 0x805C /* Stanford V Kernel prod. */ 202103024Ssobomax#define ETHERTYPE_ES 0x805D /* Evans & Sutherland */ 203103024Ssobomax#define ETHERTYPE_LITTLE 0x8060 /* Little Machines */ 204103024Ssobomax#define ETHERTYPE_COUNTERPOINT 0x8062 /* Counterpoint Computers */ 205103024Ssobomax /* 0x8065 - 0x8066 Univ. of Mass @ Amherst */ 206103024Ssobomax#define ETHERTYPE_VEECO 0x8067 /* Veeco Integrated Auto. */ 207103024Ssobomax#define ETHERTYPE_GENDYN 0x8068 /* General Dynamics */ 208103024Ssobomax#define ETHERTYPE_ATT 0x8069 /* AT&T */ 209103024Ssobomax#define ETHERTYPE_AUTOPHON 0x806A /* Autophon */ 210103024Ssobomax#define ETHERTYPE_COMDESIGN 0x806C /* ComDesign */ 211103024Ssobomax#define ETHERTYPE_COMPUGRAPHIC 0x806D /* Compugraphic Corporation */ 212103024Ssobomax /* 0x806E - 0x8077 Landmark Graphics Corp. */ 213103024Ssobomax#define ETHERTYPE_MATRA 0x807A /* Matra */ 214103024Ssobomax#define ETHERTYPE_DDE 0x807B /* Dansk Data Elektronik */ 215103024Ssobomax#define ETHERTYPE_MERIT 0x807C /* Merit Internodal (or Univ of Michigan?) */ 216103024Ssobomax /* 0x807D - 0x807F Vitalink Communications */ 217103024Ssobomax#define ETHERTYPE_VLTLMAN 0x8080 /* Vitalink TransLAN III Management */ 218103024Ssobomax /* 0x8081 - 0x8083 Counterpoint Computers */ 219103024Ssobomax /* 0x8088 - 0x808A Xyplex */ 220103024Ssobomax#define ETHERTYPE_ATALK 0x809B /* AppleTalk */ 221103024Ssobomax#define ETHERTYPE_AT ETHERTYPE_ATALK /* old NetBSD */ 222103024Ssobomax#define ETHERTYPE_APPLETALK ETHERTYPE_ATALK /* HP-UX */ 223103024Ssobomax /* 0x809C - 0x809E Datability */ 224103024Ssobomax#define ETHERTYPE_SPIDER 0x809F /* Spider Systems Ltd. */ 225103024Ssobomax /* 0x80A3 Nixdorf */ 226103024Ssobomax /* 0x80A4 - 0x80B3 Siemens Gammasonics Inc. */ 227103024Ssobomax /* 0x80C0 - 0x80C3 DCA (Digital Comm. Assoc.) Data Exchange Cluster */ 228103024Ssobomax /* 0x80C4 - 0x80C5 Banyan Systems */ 229103024Ssobomax#define ETHERTYPE_PACER 0x80C6 /* Pacer Software */ 230103024Ssobomax#define ETHERTYPE_APPLITEK 0x80C7 /* Applitek Corporation */ 231103024Ssobomax /* 0x80C8 - 0x80CC Intergraph Corporation */ 232103024Ssobomax /* 0x80CD - 0x80CE Harris Corporation */ 233103024Ssobomax /* 0x80CF - 0x80D2 Taylor Instrument */ 234103024Ssobomax /* 0x80D3 - 0x80D4 Rosemount Corporation */ 235103024Ssobomax#define ETHERTYPE_SNA 0x80D5 /* IBM SNA Services over Ethernet */ 236103024Ssobomax#define ETHERTYPE_VARIAN 0x80DD /* Varian Associates */ 237103024Ssobomax /* 0x80DE - 0x80DF TRFS (Integrated Solutions Transparent Remote File System) */ 238103024Ssobomax /* 0x80E0 - 0x80E3 Allen-Bradley */ 239103024Ssobomax /* 0x80E4 - 0x80F0 Datability */ 240103024Ssobomax#define ETHERTYPE_RETIX 0x80F2 /* Retix */ 241103024Ssobomax#define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */ 242103024Ssobomax /* 0x80F4 - 0x80F5 Kinetics */ 243103024Ssobomax#define ETHERTYPE_APOLLO 0x80F7 /* Apollo Computer */ 244103024Ssobomax#define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tagging (XXX conflicts) */ 245103024Ssobomax /* 0x80FF - 0x8101 Wellfleet Communications (XXX conflicts) */ 246103024Ssobomax#define ETHERTYPE_BOFL 0x8102 /* Wellfleet; BOFL (Breath OF Life) pkts [every 5-10 secs.] */ 247103024Ssobomax#define ETHERTYPE_WELLFLEET 0x8103 /* Wellfleet Communications */ 248103024Ssobomax /* 0x8107 - 0x8109 Symbolics Private */ 249103024Ssobomax#define ETHERTYPE_TALARIS 0x812B /* Talaris */ 250103024Ssobomax#define ETHERTYPE_WATERLOO 0x8130 /* Waterloo Microsystems Inc. (XXX which?) */ 251103024Ssobomax#define ETHERTYPE_HAYES 0x8130 /* Hayes Microcomputers (XXX which?) */ 252103024Ssobomax#define ETHERTYPE_VGLAB 0x8131 /* VG Laboratory Systems */ 253103024Ssobomax /* 0x8132 - 0x8137 Bridge Communications */ 254103024Ssobomax#define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */ 255103024Ssobomax#define ETHERTYPE_NOVELL 0x8138 /* Novell, Inc. */ 256103024Ssobomax /* 0x8139 - 0x813D KTI */ 257103024Ssobomax#define ETHERTYPE_MUMPS 0x813F /* M/MUMPS data sharing */ 258103024Ssobomax#define ETHERTYPE_AMOEBA 0x8145 /* Vrije Universiteit (NL) Amoeba 4 RPC (obsolete) */ 259103024Ssobomax#define ETHERTYPE_FLIP 0x8146 /* Vrije Universiteit (NL) FLIP (Fast Local Internet Protocol) */ 260103024Ssobomax#define ETHERTYPE_VURESERVED 0x8147 /* Vrije Universiteit (NL) [reserved] */ 261103024Ssobomax#define ETHERTYPE_LOGICRAFT 0x8148 /* Logicraft */ 262103024Ssobomax#define ETHERTYPE_NCD 0x8149 /* Network Computing Devices */ 263103024Ssobomax#define ETHERTYPE_ALPHA 0x814A /* Alpha Micro */ 264103024Ssobomax#define ETHERTYPE_SNMP 0x814C /* SNMP over Ethernet (see RFC1089) */ 265103024Ssobomax /* 0x814D - 0x814E BIIN */ 266103024Ssobomax#define ETHERTYPE_TEC 0x814F /* Technically Elite Concepts */ 267103024Ssobomax#define ETHERTYPE_RATIONAL 0x8150 /* Rational Corp */ 268103024Ssobomax /* 0x8151 - 0x8153 Qualcomm */ 269103024Ssobomax /* 0x815C - 0x815E Computer Protocol Pty Ltd */ 270103024Ssobomax /* 0x8164 - 0x8166 Charles River Data Systems */ 271103024Ssobomax#define ETHERTYPE_XTP 0x817D /* Protocol Engines XTP */ 272103024Ssobomax#define ETHERTYPE_SGITW 0x817E /* SGI/Time Warner prop. */ 273103024Ssobomax#define ETHERTYPE_HIPPI_FP 0x8180 /* HIPPI-FP encapsulation */ 274103024Ssobomax#define ETHERTYPE_STP 0x8181 /* Scheduled Transfer STP, HIPPI-ST */ 275103024Ssobomax /* 0x8182 - 0x8183 Reserved for HIPPI-6400 */ 276103024Ssobomax /* 0x8184 - 0x818C SGI prop. */ 277103024Ssobomax#define ETHERTYPE_MOTOROLA 0x818D /* Motorola */ 278103024Ssobomax#define ETHERTYPE_NETBEUI 0x8191 /* PowerLAN NetBIOS/NetBEUI (PC) */ 279103024Ssobomax /* 0x819A - 0x81A3 RAD Network Devices */ 280103024Ssobomax /* 0x81B7 - 0x81B9 Xyplex */ 281103024Ssobomax /* 0x81CC - 0x81D5 Apricot Computers */ 282103024Ssobomax /* 0x81D6 - 0x81DD Artisoft Lantastic */ 283103024Ssobomax /* 0x81E6 - 0x81EF Polygon */ 284103024Ssobomax /* 0x81F0 - 0x81F2 Comsat Labs */ 285103024Ssobomax /* 0x81F3 - 0x81F5 SAIC */ 286103024Ssobomax /* 0x81F6 - 0x81F8 VG Analytical */ 287103024Ssobomax /* 0x8203 - 0x8205 QNX Software Systems Ltd. */ 288103024Ssobomax /* 0x8221 - 0x8222 Ascom Banking Systems */ 289103024Ssobomax /* 0x823E - 0x8240 Advanced Encryption Systems */ 290103024Ssobomax /* 0x8263 - 0x826A Charles River Data Systems */ 291103024Ssobomax /* 0x827F - 0x8282 Athena Programming */ 292103024Ssobomax /* 0x829A - 0x829B Inst Ind Info Tech */ 293103024Ssobomax /* 0x829C - 0x82AB Taurus Controls */ 294103024Ssobomax /* 0x82AC - 0x8693 Walker Richer & Quinn */ 295103024Ssobomax#define ETHERTYPE_ACCTON 0x8390 /* Accton Technologies (unregistered) */ 296103024Ssobomax#define ETHERTYPE_TALARISMC 0x852B /* Talaris multicast */ 297103024Ssobomax#define ETHERTYPE_KALPANA 0x8582 /* Kalpana */ 298103024Ssobomax /* 0x8694 - 0x869D Idea Courier */ 299103024Ssobomax /* 0x869E - 0x86A1 Computer Network Tech */ 300103024Ssobomax /* 0x86A3 - 0x86AC Gateway Communications */ 301103024Ssobomax#define ETHERTYPE_SECTRA 0x86DB /* SECTRA */ 302103024Ssobomax#define ETHERTYPE_IPV6 0x86DD /* IP protocol version 6 */ 303103024Ssobomax#define ETHERTYPE_DELTACON 0x86DE /* Delta Controls */ 304103024Ssobomax#define ETHERTYPE_ATOMIC 0x86DF /* ATOMIC */ 305103024Ssobomax /* 0x86E0 - 0x86EF Landis & Gyr Powers */ 306103024Ssobomax /* 0x8700 - 0x8710 Motorola */ 307103024Ssobomax#define ETHERTYPE_RDP 0x8739 /* Control Technology Inc. RDP Without IP */ 308103024Ssobomax#define ETHERTYPE_MICP 0x873A /* Control Technology Inc. Mcast Industrial Ctrl Proto. */ 309103024Ssobomax /* 0x873B - 0x873C Control Technology Inc. Proprietary */ 310103024Ssobomax#define ETHERTYPE_TCPCOMP 0x876B /* TCP/IP Compression (RFC1701) */ 311103024Ssobomax#define ETHERTYPE_IPAS 0x876C /* IP Autonomous Systems (RFC1701) */ 312103024Ssobomax#define ETHERTYPE_SECUREDATA 0x876D /* Secure Data (RFC1701) */ 313103024Ssobomax#define ETHERTYPE_FLOWCONTROL 0x8808 /* 802.3x flow control packet */ 314167290Sbms#define ETHERTYPE_SLOW 0x8809 /* 802.3ad link aggregation (LACP) */ 315179036Sscf#define ETHERTYPE_PPP 0x880B /* PPP (obsolete by PPPoE) */ 316103024Ssobomax#define ETHERTYPE_HITACHI 0x8820 /* Hitachi Cable (Optoelectronic Systems Laboratory) */ 317103024Ssobomax#define ETHERTYPE_MPLS 0x8847 /* MPLS Unicast */ 318103024Ssobomax#define ETHERTYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */ 319103024Ssobomax#define ETHERTYPE_AXIS 0x8856 /* Axis Communications AB proprietary bootstrap/config */ 320103024Ssobomax#define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ 321103024Ssobomax#define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ 322103024Ssobomax#define ETHERTYPE_LANPROBE 0x8888 /* HP LanProbe test? */ 323136154Ssam#define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */ 324103024Ssobomax#define ETHERTYPE_LOOPBACK 0x9000 /* Loopback: used to test interfaces */ 325103024Ssobomax#define ETHERTYPE_LBACK ETHERTYPE_LOOPBACK /* DEC MOP loopback */ 326103024Ssobomax#define ETHERTYPE_XNSSM 0x9001 /* 3Com (Formerly Bridge Communications), XNS Systems Management */ 327103024Ssobomax#define ETHERTYPE_TCPSM 0x9002 /* 3Com (Formerly Bridge Communications), TCP/IP Systems Management */ 328103024Ssobomax#define ETHERTYPE_BCLOOP 0x9003 /* 3Com (Formerly Bridge Communications), loopback detection */ 329103024Ssobomax#define ETHERTYPE_DEBNI 0xAAAA /* DECNET? Used by VAX 6220 DEBNI */ 330103024Ssobomax#define ETHERTYPE_SONIX 0xFAF5 /* Sonix Arpeggio */ 331103024Ssobomax#define ETHERTYPE_VITAL 0xFF00 /* BBN VITAL-LanBridge cache wakeups */ 332103024Ssobomax /* 0xFF00 - 0xFFOF ISC Bunker Ramo */ 333103024Ssobomax 334103024Ssobomax#define ETHERTYPE_MAX 0xFFFF /* Maximum valid ethernet type, reserved */ 335103024Ssobomax 336103024Ssobomax/* 337103024Ssobomax * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 338103024Ssobomax * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 339103024Ssobomax * by an ETHER type (as given above) and then the (variable-length) header. 340103024Ssobomax */ 34121260Swollman#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ 34221260Swollman#define ETHERTYPE_NTRAILER 16 34321260Swollman 34421260Swollman#define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) 34521260Swollman#define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) 346106929Ssam#define ETHERMTU_JUMBO (ETHER_MAX_LEN_JUMBO - ETHER_HDR_LEN - ETHER_CRC_LEN) 347164396Scsjp/* 348164396Scsjp * The ETHER_BPF_MTAP macro should be used by drivers which support hardware 349164396Scsjp * offload for VLAN tag processing. It will check the mbuf to see if it has 350164396Scsjp * M_VLANTAG set, and if it does, will pass the packet along to 351164396Scsjp * ether_vlan_mtap. This function will re-insert VLAN tags for the duration 352164398Scsjp * of the tap, so they show up properly for network analyzers. 353164396Scsjp */ 354164396Scsjp#define ETHER_BPF_MTAP(_ifp, _m) do { \ 355164396Scsjp if (bpf_peers_present((_ifp)->if_bpf)) { \ 356164396Scsjp M_ASSERTVALID(_m); \ 357164396Scsjp if (((_m)->m_flags & M_VLANTAG) != 0) \ 358164396Scsjp ether_vlan_mtap((_ifp)->if_bpf, (_m), NULL, 0); \ 359164396Scsjp else \ 360164396Scsjp bpf_mtap((_ifp)->if_bpf, (_m)); \ 361164396Scsjp } \ 362164396Scsjp} while (0) 36321260Swollman 36462143Sarchie#ifdef _KERNEL 36562143Sarchie 36662267Sarchiestruct ifnet; 36762267Sarchiestruct mbuf; 368191148Skmacystruct route; 369106929Ssamstruct sockaddr; 370164396Scsjpstruct bpf_if; 37162267Sarchie 372130015Snaddyextern uint32_t ether_crc32_le(const uint8_t *, size_t); 373130015Snaddyextern uint32_t ether_crc32_be(const uint8_t *, size_t); 374106929Ssamextern void ether_demux(struct ifnet *, struct mbuf *); 375106929Ssamextern void ether_ifattach(struct ifnet *, const u_int8_t *); 376106929Ssamextern void ether_ifdetach(struct ifnet *); 377170097Syarextern int ether_ioctl(struct ifnet *, u_long, caddr_t); 378106929Ssamextern int ether_output(struct ifnet *, 379191148Skmacy struct mbuf *, struct sockaddr *, struct route *); 380106929Ssamextern int ether_output_frame(struct ifnet *, struct mbuf *); 381106929Ssamextern char *ether_sprintf(const u_int8_t *); 382164396Scsjpvoid ether_vlan_mtap(struct bpf_if *, struct mbuf *, 383164396Scsjp void *, u_int); 384172777Sthompsastruct mbuf *ether_vlanencap(struct mbuf *, uint16_t); 38562143Sarchie 38662143Sarchie#else /* _KERNEL */ 38762143Sarchie 38820681Swollman#include <sys/cdefs.h> 38920681Swollman 39020661Swpaul/* 39120661Swpaul * Ethernet address conversion/parsing routines. 39220661Swpaul */ 39320686Sbde__BEGIN_DECLS 39492725Salfredstruct ether_addr *ether_aton(const char *); 395169529Srwatsonstruct ether_addr *ether_aton_r(const char *, struct ether_addr *); 39692725Salfredint ether_hostton(const char *, struct ether_addr *); 39792725Salfredint ether_line(const char *, struct ether_addr *, char *); 39892725Salfredchar *ether_ntoa(const struct ether_addr *); 399169529Srwatsonchar *ether_ntoa_r(const struct ether_addr *, char *); 40092725Salfredint ether_ntohost(char *, const struct ether_addr *); 40120686Sbde__END_DECLS 40220686Sbde 40362143Sarchie#endif /* !_KERNEL */ 40462143Sarchie 40520686Sbde#endif /* !_NET_ETHERNET_H_ */ 406