1*199767f8SToomas Soome /* 2*199767f8SToomas Soome * Fundamental constants relating to ethernet. 3*199767f8SToomas Soome * 4*199767f8SToomas Soome * $FreeBSD$ 5*199767f8SToomas Soome * 6*199767f8SToomas Soome */ 7*199767f8SToomas Soome 8*199767f8SToomas Soome #ifndef _NET_ETHERNET_H_ 9*199767f8SToomas Soome #define _NET_ETHERNET_H_ 10*199767f8SToomas Soome 11*199767f8SToomas Soome /* 12*199767f8SToomas Soome * Some basic Ethernet constants. 13*199767f8SToomas Soome */ 14*199767f8SToomas Soome #define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ 15*199767f8SToomas Soome #define ETHER_TYPE_LEN 2 /* length of the Ethernet type field */ 16*199767f8SToomas Soome #define ETHER_CRC_LEN 4 /* length of the Ethernet CRC */ 17*199767f8SToomas Soome #define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN) 18*199767f8SToomas Soome #define ETHER_MIN_LEN 64 /* minimum frame len, including CRC */ 19*199767f8SToomas Soome #define ETHER_MAX_LEN 1518 /* maximum frame len, including CRC */ 20*199767f8SToomas Soome #define ETHER_MAX_LEN_JUMBO 9018 /* max jumbo frame len, including CRC */ 21*199767f8SToomas Soome 22*199767f8SToomas Soome #define ETHER_VLAN_ENCAP_LEN 4 /* len of 802.1Q VLAN encapsulation */ 23*199767f8SToomas Soome /* 24*199767f8SToomas Soome * Mbuf adjust factor to force 32-bit alignment of IP header. 25*199767f8SToomas Soome * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a 26*199767f8SToomas Soome * receive so the upper layers get the IP header properly aligned 27*199767f8SToomas Soome * past the 14-byte Ethernet header. 28*199767f8SToomas Soome */ 29*199767f8SToomas Soome #define ETHER_ALIGN 2 /* driver adjust for IP hdr alignment */ 30*199767f8SToomas Soome 31*199767f8SToomas Soome /* 32*199767f8SToomas Soome * Compute the maximum frame size based on ethertype (i.e. possible 33*199767f8SToomas Soome * encapsulation) and whether or not an FCS is present. 34*199767f8SToomas Soome */ 35*199767f8SToomas Soome #define ETHER_MAX_FRAME(ifp, etype, hasfcs) \ 36*199767f8SToomas Soome ((ifp)->if_mtu + ETHER_HDR_LEN + \ 37*199767f8SToomas Soome ((hasfcs) ? ETHER_CRC_LEN : 0) + \ 38*199767f8SToomas Soome (((etype) == ETHERTYPE_VLAN) ? ETHER_VLAN_ENCAP_LEN : 0)) 39*199767f8SToomas Soome 40*199767f8SToomas Soome /* 41*199767f8SToomas Soome * Ethernet-specific mbuf flags. 42*199767f8SToomas Soome */ 43*199767f8SToomas Soome #define M_HASFCS M_PROTO5 /* FCS included at end of frame */ 44*199767f8SToomas Soome 45*199767f8SToomas Soome /* 46*199767f8SToomas Soome * Ethernet CRC32 polynomials (big- and little-endian verions). 47*199767f8SToomas Soome */ 48*199767f8SToomas Soome #define ETHER_CRC_POLY_LE 0xedb88320 49*199767f8SToomas Soome #define ETHER_CRC_POLY_BE 0x04c11db6 50*199767f8SToomas Soome 51*199767f8SToomas Soome /* 52*199767f8SToomas Soome * A macro to validate a length with 53*199767f8SToomas Soome */ 54*199767f8SToomas Soome #define ETHER_IS_VALID_LEN(foo) \ 55*199767f8SToomas Soome ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) 56*199767f8SToomas Soome 57*199767f8SToomas Soome /* 58*199767f8SToomas Soome * Structure of a 10Mb/s Ethernet header. 59*199767f8SToomas Soome */ 60*199767f8SToomas Soome struct ether_header { 61*199767f8SToomas Soome u_char ether_dhost[ETHER_ADDR_LEN]; 62*199767f8SToomas Soome u_char ether_shost[ETHER_ADDR_LEN]; 63*199767f8SToomas Soome u_short ether_type; 64*199767f8SToomas Soome } __packed; 65*199767f8SToomas Soome 66*199767f8SToomas Soome /* 67*199767f8SToomas Soome * Structure of a 48-bit Ethernet address. 68*199767f8SToomas Soome */ 69*199767f8SToomas Soome struct ether_addr { 70*199767f8SToomas Soome u_char octet[ETHER_ADDR_LEN]; 71*199767f8SToomas Soome } __packed; 72*199767f8SToomas Soome 73*199767f8SToomas Soome #define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */ 74*199767f8SToomas Soome 75*199767f8SToomas Soome /* 76*199767f8SToomas Soome * 802.1q Virtual LAN header. 77*199767f8SToomas Soome */ 78*199767f8SToomas Soome struct ether_vlan_header { 79*199767f8SToomas Soome uint8_t evl_dhost[ETHER_ADDR_LEN]; 80*199767f8SToomas Soome uint8_t evl_shost[ETHER_ADDR_LEN]; 81*199767f8SToomas Soome uint16_t evl_encap_proto; 82*199767f8SToomas Soome uint16_t evl_tag; 83*199767f8SToomas Soome uint16_t evl_proto; 84*199767f8SToomas Soome } __packed; 85*199767f8SToomas Soome 86*199767f8SToomas Soome #define EVL_VLID_MASK 0x0FFF 87*199767f8SToomas Soome #define EVL_PRI_MASK 0xE000 88*199767f8SToomas Soome #define EVL_VLANOFTAG(tag) ((tag) & EVL_VLID_MASK) 89*199767f8SToomas Soome #define EVL_PRIOFTAG(tag) (((tag) >> 13) & 7) 90*199767f8SToomas Soome #define EVL_CFIOFTAG(tag) (((tag) >> 12) & 1) 91*199767f8SToomas Soome #define EVL_MAKETAG(vlid, pri, cfi) \ 92*199767f8SToomas Soome ((((((pri) & 7) << 1) | ((cfi) & 1)) << 12) | ((vlid) & EVL_VLID_MASK)) 93*199767f8SToomas Soome 94*199767f8SToomas Soome /* 95*199767f8SToomas Soome * NOTE: 0x0000-0x05DC (0..1500) are generally IEEE 802.3 length fields. 96*199767f8SToomas Soome * However, there are some conflicts. 97*199767f8SToomas Soome */ 98*199767f8SToomas Soome 99*199767f8SToomas Soome #define ETHERTYPE_8023 0x0004 /* IEEE 802.3 packet */ 100*199767f8SToomas Soome /* 0x0101 .. 0x1FF Experimental */ 101*199767f8SToomas Soome #define ETHERTYPE_PUP 0x0200 /* Xerox PUP protocol - see 0A00 */ 102*199767f8SToomas Soome #define ETHERTYPE_PUPAT 0x0200 /* PUP Address Translation - see 0A01 */ 103*199767f8SToomas Soome #define ETHERTYPE_SPRITE 0x0500 /* ??? */ 104*199767f8SToomas Soome /* 0x0400 Nixdorf */ 105*199767f8SToomas Soome #define ETHERTYPE_NS 0x0600 /* XNS */ 106*199767f8SToomas Soome #define ETHERTYPE_NSAT 0x0601 /* XNS Address Translation (3Mb only) */ 107*199767f8SToomas Soome #define ETHERTYPE_DLOG1 0x0660 /* DLOG (?) */ 108*199767f8SToomas Soome #define ETHERTYPE_DLOG2 0x0661 /* DLOG (?) */ 109*199767f8SToomas Soome #define ETHERTYPE_IP 0x0800 /* IP protocol */ 110*199767f8SToomas Soome #define ETHERTYPE_X75 0x0801 /* X.75 Internet */ 111*199767f8SToomas Soome #define ETHERTYPE_NBS 0x0802 /* NBS Internet */ 112*199767f8SToomas Soome #define ETHERTYPE_ECMA 0x0803 /* ECMA Internet */ 113*199767f8SToomas Soome #define ETHERTYPE_CHAOS 0x0804 /* CHAOSnet */ 114*199767f8SToomas Soome #define ETHERTYPE_X25 0x0805 /* X.25 Level 3 */ 115*199767f8SToomas Soome #define ETHERTYPE_ARP 0x0806 /* Address resolution protocol */ 116*199767f8SToomas Soome #define ETHERTYPE_NSCOMPAT 0x0807 /* XNS Compatibility */ 117*199767f8SToomas Soome #define ETHERTYPE_FRARP 0x0808 /* Frame Relay ARP (RFC1701) */ 118*199767f8SToomas Soome /* 0x081C Symbolics Private */ 119*199767f8SToomas Soome /* 0x0888 - 0x088A Xyplex */ 120*199767f8SToomas Soome #define ETHERTYPE_UBDEBUG 0x0900 /* Ungermann-Bass network debugger */ 121*199767f8SToomas Soome #define ETHERTYPE_IEEEPUP 0x0A00 /* Xerox IEEE802.3 PUP */ 122*199767f8SToomas Soome #define ETHERTYPE_IEEEPUPAT 0x0A01 /* Xerox IEEE802.3 PUP Address Translation */ 123*199767f8SToomas Soome #define ETHERTYPE_VINES 0x0BAD /* Banyan VINES */ 124*199767f8SToomas Soome #define ETHERTYPE_VINESLOOP 0x0BAE /* Banyan VINES Loopback */ 125*199767f8SToomas Soome #define ETHERTYPE_VINESECHO 0x0BAF /* Banyan VINES Echo */ 126*199767f8SToomas Soome 127*199767f8SToomas Soome /* 0x1000 - 0x100F Berkeley Trailer */ 128*199767f8SToomas Soome /* 129*199767f8SToomas Soome * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 130*199767f8SToomas Soome * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 131*199767f8SToomas Soome * by an ETHER type (as given above) and then the (variable-length) header. 132*199767f8SToomas Soome */ 133*199767f8SToomas Soome #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ 134*199767f8SToomas Soome #define ETHERTYPE_NTRAILER 16 135*199767f8SToomas Soome 136*199767f8SToomas Soome #define ETHERTYPE_DCA 0x1234 /* DCA - Multicast */ 137*199767f8SToomas Soome #define ETHERTYPE_VALID 0x1600 /* VALID system protocol */ 138*199767f8SToomas Soome #define ETHERTYPE_DOGFIGHT 0x1989 /* Artificial Horizons ("Aviator" dogfight simulator [on Sun]) */ 139*199767f8SToomas Soome #define ETHERTYPE_RCL 0x1995 /* Datapoint Corporation (RCL lan protocol) */ 140*199767f8SToomas Soome 141*199767f8SToomas Soome /* The following 3C0x types 142*199767f8SToomas Soome are unregistered: */ 143*199767f8SToomas Soome #define ETHERTYPE_NBPVCD 0x3C00 /* 3Com NBP virtual circuit datagram (like XNS SPP) not registered */ 144*199767f8SToomas Soome #define ETHERTYPE_NBPSCD 0x3C01 /* 3Com NBP System control datagram not registered */ 145*199767f8SToomas Soome #define ETHERTYPE_NBPCREQ 0x3C02 /* 3Com NBP Connect request (virtual cct) not registered */ 146*199767f8SToomas Soome #define ETHERTYPE_NBPCRSP 0x3C03 /* 3Com NBP Connect response not registered */ 147*199767f8SToomas Soome #define ETHERTYPE_NBPCC 0x3C04 /* 3Com NBP Connect complete not registered */ 148*199767f8SToomas Soome #define ETHERTYPE_NBPCLREQ 0x3C05 /* 3Com NBP Close request (virtual cct) not registered */ 149*199767f8SToomas Soome #define ETHERTYPE_NBPCLRSP 0x3C06 /* 3Com NBP Close response not registered */ 150*199767f8SToomas Soome #define ETHERTYPE_NBPDG 0x3C07 /* 3Com NBP Datagram (like XNS IDP) not registered */ 151*199767f8SToomas Soome #define ETHERTYPE_NBPDGB 0x3C08 /* 3Com NBP Datagram broadcast not registered */ 152*199767f8SToomas Soome #define ETHERTYPE_NBPCLAIM 0x3C09 /* 3Com NBP Claim NetBIOS name not registered */ 153*199767f8SToomas Soome #define ETHERTYPE_NBPDLTE 0x3C0A /* 3Com NBP Delete NetBIOS name not registered */ 154*199767f8SToomas Soome #define ETHERTYPE_NBPRAS 0x3C0B /* 3Com NBP Remote adaptor status request not registered */ 155*199767f8SToomas Soome #define ETHERTYPE_NBPRAR 0x3C0C /* 3Com NBP Remote adaptor response not registered */ 156*199767f8SToomas Soome #define ETHERTYPE_NBPRST 0x3C0D /* 3Com NBP Reset not registered */ 157*199767f8SToomas Soome 158*199767f8SToomas Soome #define ETHERTYPE_PCS 0x4242 /* PCS Basic Block Protocol */ 159*199767f8SToomas Soome #define ETHERTYPE_IMLBLDIAG 0x424C /* Information Modes Little Big LAN diagnostic */ 160*199767f8SToomas Soome #define ETHERTYPE_DIDDLE 0x4321 /* THD - Diddle */ 161*199767f8SToomas Soome #define ETHERTYPE_IMLBL 0x4C42 /* Information Modes Little Big LAN */ 162*199767f8SToomas Soome #define ETHERTYPE_SIMNET 0x5208 /* BBN Simnet Private */ 163*199767f8SToomas Soome #define ETHERTYPE_DECEXPER 0x6000 /* DEC Unassigned, experimental */ 164*199767f8SToomas Soome #define ETHERTYPE_MOPDL 0x6001 /* DEC MOP dump/load */ 165*199767f8SToomas Soome #define ETHERTYPE_MOPRC 0x6002 /* DEC MOP remote console */ 166*199767f8SToomas Soome #define ETHERTYPE_DECnet 0x6003 /* DEC DECNET Phase IV route */ 167*199767f8SToomas Soome #define ETHERTYPE_DN ETHERTYPE_DECnet /* libpcap, tcpdump */ 168*199767f8SToomas Soome #define ETHERTYPE_LAT 0x6004 /* DEC LAT */ 169*199767f8SToomas Soome #define ETHERTYPE_DECDIAG 0x6005 /* DEC diagnostic protocol (at interface initialization?) */ 170*199767f8SToomas Soome #define ETHERTYPE_DECCUST 0x6006 /* DEC customer protocol */ 171*199767f8SToomas Soome #define ETHERTYPE_SCA 0x6007 /* DEC LAVC, SCA */ 172*199767f8SToomas Soome #define ETHERTYPE_AMBER 0x6008 /* DEC AMBER */ 173*199767f8SToomas Soome #define ETHERTYPE_DECMUMPS 0x6009 /* DEC MUMPS */ 174*199767f8SToomas Soome /* 0x6010 - 0x6014 3Com Corporation */ 175*199767f8SToomas Soome #define ETHERTYPE_TRANSETHER 0x6558 /* Trans Ether Bridging (RFC1701)*/ 176*199767f8SToomas Soome #define ETHERTYPE_RAWFR 0x6559 /* Raw Frame Relay (RFC1701) */ 177*199767f8SToomas Soome #define ETHERTYPE_UBDL 0x7000 /* Ungermann-Bass download */ 178*199767f8SToomas Soome #define ETHERTYPE_UBNIU 0x7001 /* Ungermann-Bass NIUs */ 179*199767f8SToomas Soome #define ETHERTYPE_UBDIAGLOOP 0x7002 /* Ungermann-Bass diagnostic/loopback */ 180*199767f8SToomas Soome #define ETHERTYPE_UBNMC 0x7003 /* Ungermann-Bass ??? (NMC to/from UB Bridge) */ 181*199767f8SToomas Soome #define ETHERTYPE_UBBST 0x7005 /* Ungermann-Bass Bridge Spanning Tree */ 182*199767f8SToomas Soome #define ETHERTYPE_OS9 0x7007 /* OS/9 Microware */ 183*199767f8SToomas Soome #define ETHERTYPE_OS9NET 0x7009 /* OS/9 Net? */ 184*199767f8SToomas Soome /* 0x7020 - 0x7029 LRT (England) (now Sintrom) */ 185*199767f8SToomas Soome #define ETHERTYPE_RACAL 0x7030 /* Racal-Interlan */ 186*199767f8SToomas Soome #define ETHERTYPE_PRIMENTS 0x7031 /* Prime NTS (Network Terminal Service) */ 187*199767f8SToomas Soome #define ETHERTYPE_CABLETRON 0x7034 /* Cabletron */ 188*199767f8SToomas Soome #define ETHERTYPE_CRONUSVLN 0x8003 /* Cronus VLN */ 189*199767f8SToomas Soome #define ETHERTYPE_CRONUS 0x8004 /* Cronus Direct */ 190*199767f8SToomas Soome #define ETHERTYPE_HP 0x8005 /* HP Probe */ 191*199767f8SToomas Soome #define ETHERTYPE_NESTAR 0x8006 /* Nestar */ 192*199767f8SToomas Soome #define ETHERTYPE_ATTSTANFORD 0x8008 /* AT&T/Stanford (local use) */ 193*199767f8SToomas Soome #define ETHERTYPE_EXCELAN 0x8010 /* Excelan */ 194*199767f8SToomas Soome #define ETHERTYPE_SG_DIAG 0x8013 /* SGI diagnostic type */ 195*199767f8SToomas Soome #define ETHERTYPE_SG_NETGAMES 0x8014 /* SGI network games */ 196*199767f8SToomas Soome #define ETHERTYPE_SG_RESV 0x8015 /* SGI reserved type */ 197*199767f8SToomas Soome #define ETHERTYPE_SG_BOUNCE 0x8016 /* SGI bounce server */ 198*199767f8SToomas Soome #define ETHERTYPE_APOLLODOMAIN 0x8019 /* Apollo DOMAIN */ 199*199767f8SToomas Soome #define ETHERTYPE_TYMSHARE 0x802E /* Tymeshare */ 200*199767f8SToomas Soome #define ETHERTYPE_TIGAN 0x802F /* Tigan, Inc. */ 201*199767f8SToomas Soome #define ETHERTYPE_REVARP 0x8035 /* Reverse addr resolution protocol */ 202*199767f8SToomas Soome #define ETHERTYPE_AEONIC 0x8036 /* Aeonic Systems */ 203*199767f8SToomas Soome #define ETHERTYPE_IPXNEW 0x8037 /* IPX (Novell Netware?) */ 204*199767f8SToomas Soome #define ETHERTYPE_LANBRIDGE 0x8038 /* DEC LANBridge */ 205*199767f8SToomas Soome #define ETHERTYPE_DSMD 0x8039 /* DEC DSM/DDP */ 206*199767f8SToomas Soome #define ETHERTYPE_ARGONAUT 0x803A /* DEC Argonaut Console */ 207*199767f8SToomas Soome #define ETHERTYPE_VAXELN 0x803B /* DEC VAXELN */ 208*199767f8SToomas Soome #define ETHERTYPE_DECDNS 0x803C /* DEC DNS Naming Service */ 209*199767f8SToomas Soome #define ETHERTYPE_ENCRYPT 0x803D /* DEC Ethernet Encryption */ 210*199767f8SToomas Soome #define ETHERTYPE_DECDTS 0x803E /* DEC Distributed Time Service */ 211*199767f8SToomas Soome #define ETHERTYPE_DECLTM 0x803F /* DEC LAN Traffic Monitor */ 212*199767f8SToomas Soome #define ETHERTYPE_DECNETBIOS 0x8040 /* DEC PATHWORKS DECnet NETBIOS Emulation */ 213*199767f8SToomas Soome #define ETHERTYPE_DECLAST 0x8041 /* DEC Local Area System Transport */ 214*199767f8SToomas Soome /* 0x8042 DEC Unassigned */ 215*199767f8SToomas Soome #define ETHERTYPE_PLANNING 0x8044 /* Planning Research Corp. */ 216*199767f8SToomas Soome /* 0x8046 - 0x8047 AT&T */ 217*199767f8SToomas Soome #define ETHERTYPE_DECAM 0x8048 /* DEC Availability Manager for Distributed Systems DECamds (but someone at DEC says not) */ 218*199767f8SToomas Soome #define ETHERTYPE_EXPERDATA 0x8049 /* ExperData */ 219*199767f8SToomas Soome #define ETHERTYPE_VEXP 0x805B /* Stanford V Kernel exp. */ 220*199767f8SToomas Soome #define ETHERTYPE_VPROD 0x805C /* Stanford V Kernel prod. */ 221*199767f8SToomas Soome #define ETHERTYPE_ES 0x805D /* Evans & Sutherland */ 222*199767f8SToomas Soome #define ETHERTYPE_LITTLE 0x8060 /* Little Machines */ 223*199767f8SToomas Soome #define ETHERTYPE_COUNTERPOINT 0x8062 /* Counterpoint Computers */ 224*199767f8SToomas Soome /* 0x8065 - 0x8066 Univ. of Mass @ Amherst */ 225*199767f8SToomas Soome #define ETHERTYPE_VEECO 0x8067 /* Veeco Integrated Auto. */ 226*199767f8SToomas Soome #define ETHERTYPE_GENDYN 0x8068 /* General Dynamics */ 227*199767f8SToomas Soome #define ETHERTYPE_ATT 0x8069 /* AT&T */ 228*199767f8SToomas Soome #define ETHERTYPE_AUTOPHON 0x806A /* Autophon */ 229*199767f8SToomas Soome #define ETHERTYPE_COMDESIGN 0x806C /* ComDesign */ 230*199767f8SToomas Soome #define ETHERTYPE_COMPUGRAPHIC 0x806D /* Compugraphic Corporation */ 231*199767f8SToomas Soome /* 0x806E - 0x8077 Landmark Graphics Corp. */ 232*199767f8SToomas Soome #define ETHERTYPE_MATRA 0x807A /* Matra */ 233*199767f8SToomas Soome #define ETHERTYPE_DDE 0x807B /* Dansk Data Elektronik */ 234*199767f8SToomas Soome #define ETHERTYPE_MERIT 0x807C /* Merit Internodal (or Univ of Michigan?) */ 235*199767f8SToomas Soome /* 0x807D - 0x807F Vitalink Communications */ 236*199767f8SToomas Soome #define ETHERTYPE_VLTLMAN 0x8080 /* Vitalink TransLAN III Management */ 237*199767f8SToomas Soome /* 0x8081 - 0x8083 Counterpoint Computers */ 238*199767f8SToomas Soome /* 0x8088 - 0x808A Xyplex */ 239*199767f8SToomas Soome #define ETHERTYPE_ATALK 0x809B /* AppleTalk */ 240*199767f8SToomas Soome #define ETHERTYPE_AT ETHERTYPE_ATALK /* old NetBSD */ 241*199767f8SToomas Soome #define ETHERTYPE_APPLETALK ETHERTYPE_ATALK /* HP-UX */ 242*199767f8SToomas Soome /* 0x809C - 0x809E Datability */ 243*199767f8SToomas Soome #define ETHERTYPE_SPIDER 0x809F /* Spider Systems Ltd. */ 244*199767f8SToomas Soome /* 0x80A3 Nixdorf */ 245*199767f8SToomas Soome /* 0x80A4 - 0x80B3 Siemens Gammasonics Inc. */ 246*199767f8SToomas Soome /* 0x80C0 - 0x80C3 DCA (Digital Comm. Assoc.) Data Exchange Cluster */ 247*199767f8SToomas Soome /* 0x80C4 - 0x80C5 Banyan Systems */ 248*199767f8SToomas Soome #define ETHERTYPE_PACER 0x80C6 /* Pacer Software */ 249*199767f8SToomas Soome #define ETHERTYPE_APPLITEK 0x80C7 /* Applitek Corporation */ 250*199767f8SToomas Soome /* 0x80C8 - 0x80CC Intergraph Corporation */ 251*199767f8SToomas Soome /* 0x80CD - 0x80CE Harris Corporation */ 252*199767f8SToomas Soome /* 0x80CF - 0x80D2 Taylor Instrument */ 253*199767f8SToomas Soome /* 0x80D3 - 0x80D4 Rosemount Corporation */ 254*199767f8SToomas Soome #define ETHERTYPE_SNA 0x80D5 /* IBM SNA Services over Ethernet */ 255*199767f8SToomas Soome #define ETHERTYPE_VARIAN 0x80DD /* Varian Associates */ 256*199767f8SToomas Soome /* 0x80DE - 0x80DF TRFS (Integrated Solutions Transparent Remote File System) */ 257*199767f8SToomas Soome /* 0x80E0 - 0x80E3 Allen-Bradley */ 258*199767f8SToomas Soome /* 0x80E4 - 0x80F0 Datability */ 259*199767f8SToomas Soome #define ETHERTYPE_RETIX 0x80F2 /* Retix */ 260*199767f8SToomas Soome #define ETHERTYPE_AARP 0x80F3 /* AppleTalk AARP */ 261*199767f8SToomas Soome /* 0x80F4 - 0x80F5 Kinetics */ 262*199767f8SToomas Soome #define ETHERTYPE_APOLLO 0x80F7 /* Apollo Computer */ 263*199767f8SToomas Soome #define ETHERTYPE_VLAN 0x8100 /* IEEE 802.1Q VLAN tagging (XXX conflicts) */ 264*199767f8SToomas Soome /* 0x80FF - 0x8101 Wellfleet Communications (XXX conflicts) */ 265*199767f8SToomas Soome #define ETHERTYPE_BOFL 0x8102 /* Wellfleet; BOFL (Breath OF Life) pkts [every 5-10 secs.] */ 266*199767f8SToomas Soome #define ETHERTYPE_WELLFLEET 0x8103 /* Wellfleet Communications */ 267*199767f8SToomas Soome /* 0x8107 - 0x8109 Symbolics Private */ 268*199767f8SToomas Soome #define ETHERTYPE_TALARIS 0x812B /* Talaris */ 269*199767f8SToomas Soome #define ETHERTYPE_WATERLOO 0x8130 /* Waterloo Microsystems Inc. (XXX which?) */ 270*199767f8SToomas Soome #define ETHERTYPE_HAYES 0x8130 /* Hayes Microcomputers (XXX which?) */ 271*199767f8SToomas Soome #define ETHERTYPE_VGLAB 0x8131 /* VG Laboratory Systems */ 272*199767f8SToomas Soome /* 0x8132 - 0x8137 Bridge Communications */ 273*199767f8SToomas Soome #define ETHERTYPE_IPX 0x8137 /* Novell (old) NetWare IPX (ECONFIG E option) */ 274*199767f8SToomas Soome #define ETHERTYPE_NOVELL 0x8138 /* Novell, Inc. */ 275*199767f8SToomas Soome /* 0x8139 - 0x813D KTI */ 276*199767f8SToomas Soome #define ETHERTYPE_MUMPS 0x813F /* M/MUMPS data sharing */ 277*199767f8SToomas Soome #define ETHERTYPE_AMOEBA 0x8145 /* Vrije Universiteit (NL) Amoeba 4 RPC (obsolete) */ 278*199767f8SToomas Soome #define ETHERTYPE_FLIP 0x8146 /* Vrije Universiteit (NL) FLIP (Fast Local Internet Protocol) */ 279*199767f8SToomas Soome #define ETHERTYPE_VURESERVED 0x8147 /* Vrije Universiteit (NL) [reserved] */ 280*199767f8SToomas Soome #define ETHERTYPE_LOGICRAFT 0x8148 /* Logicraft */ 281*199767f8SToomas Soome #define ETHERTYPE_NCD 0x8149 /* Network Computing Devices */ 282*199767f8SToomas Soome #define ETHERTYPE_ALPHA 0x814A /* Alpha Micro */ 283*199767f8SToomas Soome #define ETHERTYPE_SNMP 0x814C /* SNMP over Ethernet (see RFC1089) */ 284*199767f8SToomas Soome /* 0x814D - 0x814E BIIN */ 285*199767f8SToomas Soome #define ETHERTYPE_TEC 0x814F /* Technically Elite Concepts */ 286*199767f8SToomas Soome #define ETHERTYPE_RATIONAL 0x8150 /* Rational Corp */ 287*199767f8SToomas Soome /* 0x8151 - 0x8153 Qualcomm */ 288*199767f8SToomas Soome /* 0x815C - 0x815E Computer Protocol Pty Ltd */ 289*199767f8SToomas Soome /* 0x8164 - 0x8166 Charles River Data Systems */ 290*199767f8SToomas Soome #define ETHERTYPE_XTP 0x817D /* Protocol Engines XTP */ 291*199767f8SToomas Soome #define ETHERTYPE_SGITW 0x817E /* SGI/Time Warner prop. */ 292*199767f8SToomas Soome #define ETHERTYPE_HIPPI_FP 0x8180 /* HIPPI-FP encapsulation */ 293*199767f8SToomas Soome #define ETHERTYPE_STP 0x8181 /* Scheduled Transfer STP, HIPPI-ST */ 294*199767f8SToomas Soome /* 0x8182 - 0x8183 Reserved for HIPPI-6400 */ 295*199767f8SToomas Soome /* 0x8184 - 0x818C SGI prop. */ 296*199767f8SToomas Soome #define ETHERTYPE_MOTOROLA 0x818D /* Motorola */ 297*199767f8SToomas Soome #define ETHERTYPE_NETBEUI 0x8191 /* PowerLAN NetBIOS/NetBEUI (PC) */ 298*199767f8SToomas Soome /* 0x819A - 0x81A3 RAD Network Devices */ 299*199767f8SToomas Soome /* 0x81B7 - 0x81B9 Xyplex */ 300*199767f8SToomas Soome /* 0x81CC - 0x81D5 Apricot Computers */ 301*199767f8SToomas Soome /* 0x81D6 - 0x81DD Artisoft Lantastic */ 302*199767f8SToomas Soome /* 0x81E6 - 0x81EF Polygon */ 303*199767f8SToomas Soome /* 0x81F0 - 0x81F2 Comsat Labs */ 304*199767f8SToomas Soome /* 0x81F3 - 0x81F5 SAIC */ 305*199767f8SToomas Soome /* 0x81F6 - 0x81F8 VG Analytical */ 306*199767f8SToomas Soome /* 0x8203 - 0x8205 QNX Software Systems Ltd. */ 307*199767f8SToomas Soome /* 0x8221 - 0x8222 Ascom Banking Systems */ 308*199767f8SToomas Soome /* 0x823E - 0x8240 Advanced Encryption Systems */ 309*199767f8SToomas Soome /* 0x8263 - 0x826A Charles River Data Systems */ 310*199767f8SToomas Soome /* 0x827F - 0x8282 Athena Programming */ 311*199767f8SToomas Soome /* 0x829A - 0x829B Inst Ind Info Tech */ 312*199767f8SToomas Soome /* 0x829C - 0x82AB Taurus Controls */ 313*199767f8SToomas Soome /* 0x82AC - 0x8693 Walker Richer & Quinn */ 314*199767f8SToomas Soome #define ETHERTYPE_ACCTON 0x8390 /* Accton Technologies (unregistered) */ 315*199767f8SToomas Soome #define ETHERTYPE_TALARISMC 0x852B /* Talaris multicast */ 316*199767f8SToomas Soome #define ETHERTYPE_KALPANA 0x8582 /* Kalpana */ 317*199767f8SToomas Soome /* 0x8694 - 0x869D Idea Courier */ 318*199767f8SToomas Soome /* 0x869E - 0x86A1 Computer Network Tech */ 319*199767f8SToomas Soome /* 0x86A3 - 0x86AC Gateway Communications */ 320*199767f8SToomas Soome #define ETHERTYPE_SECTRA 0x86DB /* SECTRA */ 321*199767f8SToomas Soome #define ETHERTYPE_IPV6 0x86DD /* IP protocol version 6 */ 322*199767f8SToomas Soome #define ETHERTYPE_DELTACON 0x86DE /* Delta Controls */ 323*199767f8SToomas Soome #define ETHERTYPE_ATOMIC 0x86DF /* ATOMIC */ 324*199767f8SToomas Soome /* 0x86E0 - 0x86EF Landis & Gyr Powers */ 325*199767f8SToomas Soome /* 0x8700 - 0x8710 Motorola */ 326*199767f8SToomas Soome #define ETHERTYPE_RDP 0x8739 /* Control Technology Inc. RDP Without IP */ 327*199767f8SToomas Soome #define ETHERTYPE_MICP 0x873A /* Control Technology Inc. Mcast Industrial Ctrl Proto. */ 328*199767f8SToomas Soome /* 0x873B - 0x873C Control Technology Inc. Proprietary */ 329*199767f8SToomas Soome #define ETHERTYPE_TCPCOMP 0x876B /* TCP/IP Compression (RFC1701) */ 330*199767f8SToomas Soome #define ETHERTYPE_IPAS 0x876C /* IP Autonomous Systems (RFC1701) */ 331*199767f8SToomas Soome #define ETHERTYPE_SECUREDATA 0x876D /* Secure Data (RFC1701) */ 332*199767f8SToomas Soome #define ETHERTYPE_FLOWCONTROL 0x8808 /* 802.3x flow control packet */ 333*199767f8SToomas Soome #define ETHERTYPE_SLOW 0x8809 /* 802.3ad link aggregation (LACP) */ 334*199767f8SToomas Soome #define ETHERTYPE_PPP 0x880B /* PPP (obsolete by PPPoE) */ 335*199767f8SToomas Soome #define ETHERTYPE_HITACHI 0x8820 /* Hitachi Cable (Optoelectronic Systems Laboratory) */ 336*199767f8SToomas Soome #define ETHERTYPE_MPLS 0x8847 /* MPLS Unicast */ 337*199767f8SToomas Soome #define ETHERTYPE_MPLS_MCAST 0x8848 /* MPLS Multicast */ 338*199767f8SToomas Soome #define ETHERTYPE_AXIS 0x8856 /* Axis Communications AB proprietary bootstrap/config */ 339*199767f8SToomas Soome #define ETHERTYPE_PPPOEDISC 0x8863 /* PPP Over Ethernet Discovery Stage */ 340*199767f8SToomas Soome #define ETHERTYPE_PPPOE 0x8864 /* PPP Over Ethernet Session Stage */ 341*199767f8SToomas Soome #define ETHERTYPE_LANPROBE 0x8888 /* HP LanProbe test? */ 342*199767f8SToomas Soome #define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */ 343*199767f8SToomas Soome #define ETHERTYPE_LOOPBACK 0x9000 /* Loopback: used to test interfaces */ 344*199767f8SToomas Soome #define ETHERTYPE_LBACK ETHERTYPE_LOOPBACK /* DEC MOP loopback */ 345*199767f8SToomas Soome #define ETHERTYPE_XNSSM 0x9001 /* 3Com (Formerly Bridge Communications), XNS Systems Management */ 346*199767f8SToomas Soome #define ETHERTYPE_TCPSM 0x9002 /* 3Com (Formerly Bridge Communications), TCP/IP Systems Management */ 347*199767f8SToomas Soome #define ETHERTYPE_BCLOOP 0x9003 /* 3Com (Formerly Bridge Communications), loopback detection */ 348*199767f8SToomas Soome #define ETHERTYPE_DEBNI 0xAAAA /* DECNET? Used by VAX 6220 DEBNI */ 349*199767f8SToomas Soome #define ETHERTYPE_SONIX 0xFAF5 /* Sonix Arpeggio */ 350*199767f8SToomas Soome #define ETHERTYPE_VITAL 0xFF00 /* BBN VITAL-LanBridge cache wakeups */ 351*199767f8SToomas Soome /* 0xFF00 - 0xFFOF ISC Bunker Ramo */ 352*199767f8SToomas Soome 353*199767f8SToomas Soome #define ETHERTYPE_MAX 0xFFFF /* Maximum valid ethernet type, reserved */ 354*199767f8SToomas Soome 355*199767f8SToomas Soome /* 356*199767f8SToomas Soome * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 357*199767f8SToomas Soome * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 358*199767f8SToomas Soome * by an ETHER type (as given above) and then the (variable-length) header. 359*199767f8SToomas Soome */ 360*199767f8SToomas Soome #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ 361*199767f8SToomas Soome #define ETHERTYPE_NTRAILER 16 362*199767f8SToomas Soome 363*199767f8SToomas Soome #define ETHERMTU (ETHER_MAX_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) 364*199767f8SToomas Soome #define ETHERMIN (ETHER_MIN_LEN-ETHER_HDR_LEN-ETHER_CRC_LEN) 365*199767f8SToomas Soome #define ETHERMTU_JUMBO (ETHER_MAX_LEN_JUMBO - ETHER_HDR_LEN - ETHER_CRC_LEN) 366*199767f8SToomas Soome /* 367*199767f8SToomas Soome * The ETHER_BPF_MTAP macro should be used by drivers which support hardware 368*199767f8SToomas Soome * offload for VLAN tag processing. It will check the mbuf to see if it has 369*199767f8SToomas Soome * M_VLANTAG set, and if it does, will pass the packet along to 370*199767f8SToomas Soome * ether_vlan_mtap. This function will re-insert VLAN tags for the duration 371*199767f8SToomas Soome * of the tap, so they show up properly for network analyzers. 372*199767f8SToomas Soome */ 373*199767f8SToomas Soome #define ETHER_BPF_MTAP(_ifp, _m) do { \ 374*199767f8SToomas Soome if (bpf_peers_present((_ifp)->if_bpf)) { \ 375*199767f8SToomas Soome M_ASSERTVALID(_m); \ 376*199767f8SToomas Soome if (((_m)->m_flags & M_VLANTAG) != 0) \ 377*199767f8SToomas Soome ether_vlan_mtap((_ifp)->if_bpf, (_m), NULL, 0); \ 378*199767f8SToomas Soome else \ 379*199767f8SToomas Soome bpf_mtap((_ifp)->if_bpf, (_m)); \ 380*199767f8SToomas Soome } \ 381*199767f8SToomas Soome } while (0) 382*199767f8SToomas Soome 383*199767f8SToomas Soome #ifdef _KERNEL 384*199767f8SToomas Soome 385*199767f8SToomas Soome struct ifnet; 386*199767f8SToomas Soome struct mbuf; 387*199767f8SToomas Soome struct route; 388*199767f8SToomas Soome struct sockaddr; 389*199767f8SToomas Soome struct bpf_if; 390*199767f8SToomas Soome 391*199767f8SToomas Soome extern uint32_t ether_crc32_le(const uint8_t *, size_t); 392*199767f8SToomas Soome extern uint32_t ether_crc32_be(const uint8_t *, size_t); 393*199767f8SToomas Soome extern void ether_demux(struct ifnet *, struct mbuf *); 394*199767f8SToomas Soome extern void ether_ifattach(struct ifnet *, const u_int8_t *); 395*199767f8SToomas Soome extern void ether_ifdetach(struct ifnet *); 396*199767f8SToomas Soome extern int ether_ioctl(struct ifnet *, u_long, caddr_t); 397*199767f8SToomas Soome extern int ether_output(struct ifnet *, struct mbuf *, 398*199767f8SToomas Soome const struct sockaddr *, struct route *); 399*199767f8SToomas Soome extern int ether_output_frame(struct ifnet *, struct mbuf *); 400*199767f8SToomas Soome extern char *ether_sprintf(const u_int8_t *); 401*199767f8SToomas Soome void ether_vlan_mtap(struct bpf_if *, struct mbuf *, 402*199767f8SToomas Soome void *, u_int); 403*199767f8SToomas Soome struct mbuf *ether_vlanencap(struct mbuf *, uint16_t); 404*199767f8SToomas Soome 405*199767f8SToomas Soome #else /* _KERNEL */ 406*199767f8SToomas Soome 407*199767f8SToomas Soome #include <sys/cdefs.h> 408*199767f8SToomas Soome 409*199767f8SToomas Soome /* 410*199767f8SToomas Soome * Ethernet address conversion/parsing routines. 411*199767f8SToomas Soome */ 412*199767f8SToomas Soome __BEGIN_DECLS 413*199767f8SToomas Soome struct ether_addr *ether_aton(const char *); 414*199767f8SToomas Soome struct ether_addr *ether_aton_r(const char *, struct ether_addr *); 415*199767f8SToomas Soome int ether_hostton(const char *, struct ether_addr *); 416*199767f8SToomas Soome int ether_line(const char *, struct ether_addr *, char *); 417*199767f8SToomas Soome char *ether_ntoa(const struct ether_addr *); 418*199767f8SToomas Soome char *ether_ntoa_r(const struct ether_addr *, char *); 419*199767f8SToomas Soome int ether_ntohost(char *, const struct ether_addr *); 420*199767f8SToomas Soome __END_DECLS 421*199767f8SToomas Soome 422*199767f8SToomas Soome #endif /* !_KERNEL */ 423*199767f8SToomas Soome 424*199767f8SToomas Soome #endif /* !_NET_ETHERNET_H_ */ 425