1e2be04c7SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ 2607ca46eSDavid Howells /* 3607ca46eSDavid Howells * INET An implementation of the TCP/IP protocol suite for the LINUX 4607ca46eSDavid Howells * operating system. INET is implemented using the BSD Socket 5607ca46eSDavid Howells * interface as the means of communication with the user level. 6607ca46eSDavid Howells * 7607ca46eSDavid Howells * Global definitions for the Ethernet IEEE 802.3 interface. 8607ca46eSDavid Howells * 9607ca46eSDavid Howells * Version: @(#)if_ether.h 1.0.1a 02/08/94 10607ca46eSDavid Howells * 11607ca46eSDavid Howells * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> 12607ca46eSDavid Howells * Donald Becker, <becker@super.org> 13607ca46eSDavid Howells * Alan Cox, <alan@lxorguk.ukuu.org.uk> 14607ca46eSDavid Howells * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> 15607ca46eSDavid Howells * 16607ca46eSDavid Howells * This program is free software; you can redistribute it and/or 17607ca46eSDavid Howells * modify it under the terms of the GNU General Public License 18607ca46eSDavid Howells * as published by the Free Software Foundation; either version 19607ca46eSDavid Howells * 2 of the License, or (at your option) any later version. 20607ca46eSDavid Howells */ 21607ca46eSDavid Howells 22607ca46eSDavid Howells #ifndef _UAPI_LINUX_IF_ETHER_H 23607ca46eSDavid Howells #define _UAPI_LINUX_IF_ETHER_H 24607ca46eSDavid Howells 25607ca46eSDavid Howells #include <linux/types.h> 26607ca46eSDavid Howells 27607ca46eSDavid Howells /* 28607ca46eSDavid Howells * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble 29607ca46eSDavid Howells * and FCS/CRC (frame check sequence). 30607ca46eSDavid Howells */ 31607ca46eSDavid Howells 32607ca46eSDavid Howells #define ETH_ALEN 6 /* Octets in one ethernet addr */ 334bbb3e0eSToshiaki Makita #define ETH_TLEN 2 /* Octets in ethernet type field */ 34607ca46eSDavid Howells #define ETH_HLEN 14 /* Total octets in header. */ 35607ca46eSDavid Howells #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ 36607ca46eSDavid Howells #define ETH_DATA_LEN 1500 /* Max. octets in payload */ 37607ca46eSDavid Howells #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ 38607ca46eSDavid Howells #define ETH_FCS_LEN 4 /* Octets in the FCS */ 39607ca46eSDavid Howells 40a52ad514SJarod Wilson #define ETH_MIN_MTU 68 /* Min IPv4 MTU per RFC791 */ 41d894be57SJarod Wilson #define ETH_MAX_MTU 0xFFFFU /* 65535, same as IP_MAX_MTU */ 42a52ad514SJarod Wilson 43607ca46eSDavid Howells /* 44607ca46eSDavid Howells * These are the defined Ethernet Protocol ID's. 45607ca46eSDavid Howells */ 46607ca46eSDavid Howells 47607ca46eSDavid Howells #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ 48607ca46eSDavid Howells #define ETH_P_PUP 0x0200 /* Xerox PUP packet */ 49607ca46eSDavid Howells #define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ 501ab1e895SHenrik Austad #define ETH_P_TSN 0x22F0 /* TSN (IEEE 1722) packet */ 51f551c91dSWilliam Tu #define ETH_P_ERSPAN2 0x22EB /* ERSPAN version 2 (type III) */ 52607ca46eSDavid Howells #define ETH_P_IP 0x0800 /* Internet Protocol packet */ 53607ca46eSDavid Howells #define ETH_P_X25 0x0805 /* CCITT X.25 */ 54607ca46eSDavid Howells #define ETH_P_ARP 0x0806 /* Address Resolution packet */ 55607ca46eSDavid Howells #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ 56607ca46eSDavid Howells #define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ 57607ca46eSDavid Howells #define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ 584f99ad51SAntonio Quartulli #define ETH_P_BATMAN 0x4305 /* B.A.T.M.A.N.-Advanced packet [ NOT AN OFFICIALLY REGISTERED ID ] */ 59607ca46eSDavid Howells #define ETH_P_DEC 0x6000 /* DEC Assigned proto */ 60607ca46eSDavid Howells #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ 61607ca46eSDavid Howells #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ 62607ca46eSDavid Howells #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ 63607ca46eSDavid Howells #define ETH_P_LAT 0x6004 /* DEC LAT */ 64607ca46eSDavid Howells #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ 65607ca46eSDavid Howells #define ETH_P_CUST 0x6006 /* DEC Customer use */ 66607ca46eSDavid Howells #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ 67607ca46eSDavid Howells #define ETH_P_TEB 0x6558 /* Trans Ether Bridging */ 68607ca46eSDavid Howells #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ 69607ca46eSDavid Howells #define ETH_P_ATALK 0x809B /* Appletalk DDP */ 70607ca46eSDavid Howells #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ 71607ca46eSDavid Howells #define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ 7284e54fe0SWilliam Tu #define ETH_P_ERSPAN 0x88BE /* ERSPAN type II */ 73607ca46eSDavid Howells #define ETH_P_IPX 0x8137 /* IPX over DIX */ 74607ca46eSDavid Howells #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ 75607ca46eSDavid Howells #define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */ 76607ca46eSDavid Howells #define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */ 77607ca46eSDavid Howells #define ETH_P_WCCP 0x883E /* Web-cache coordination protocol 78607ca46eSDavid Howells * defined in draft-wilson-wrec-wccp-v2-00.txt */ 79607ca46eSDavid Howells #define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ 80607ca46eSDavid Howells #define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ 81607ca46eSDavid Howells #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ 822ebe21fdSNeil Jerram #define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ 832ebe21fdSNeil Jerram #define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ 84607ca46eSDavid Howells #define ETH_P_LINK_CTL 0x886c /* HPNA, wlan link local tunnel */ 85607ca46eSDavid Howells #define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport 86607ca46eSDavid Howells * over Ethernet 87607ca46eSDavid Howells */ 88607ca46eSDavid Howells #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ 89dd0ca255SDaniel Braunwarth #define ETH_P_PROFINET 0x8892 /* PROFINET */ 907bbbbfaaSAlvin Šipraga #define ETH_P_REALTEK 0x8899 /* Multiple proprietary protocols */ 91607ca46eSDavid Howells #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ 92cd73cda7SDaniel Braunwarth #define ETH_P_ETHERCAT 0x88A4 /* EtherCAT */ 93607ca46eSDavid Howells #define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */ 94607ca46eSDavid Howells #define ETH_P_802_EX1 0x88B5 /* 802.1 Local Experimental 1. */ 954fe0de5bSDenis Kenzior #define ETH_P_PREAUTH 0x88C7 /* 802.11 Preauthentication */ 96607ca46eSDavid Howells #define ETH_P_TIPC 0x88CA /* TIPC */ 97c54c2c72SAnirudh Venkataramanan #define ETH_P_LLDP 0x88CC /* Link Layer Discovery Protocol */ 984714d137SHoratiu Vultur #define ETH_P_MRP 0x88E3 /* Media Redundancy Protocol */ 99dece8d2bSSabrina Dubroca #define ETH_P_MACSEC 0x88E5 /* 802.1ae MACsec */ 100607ca46eSDavid Howells #define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */ 10186fbe9bbSDavid Ward #define ETH_P_MVRP 0x88F5 /* 802.1Q MVRP */ 102607ca46eSDavid Howells #define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */ 1036389eaa7SGavin Shan #define ETH_P_NCSI 0x88F8 /* NCSI protocol */ 104f421436aSArvid Brodin #define ETH_P_PRP 0x88FB /* IEC 62439-3 PRP/HSRv0 */ 105fbaedb41SHenrik Bjoernlund #define ETH_P_CFM 0x8902 /* Connectivity Fault Management */ 106607ca46eSDavid Howells #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ 10769ae5439SSelvin Xavier #define ETH_P_IBOE 0x8915 /* Infiniband over Ethernet */ 108607ca46eSDavid Howells #define ETH_P_TDLS 0x890D /* TDLS */ 109607ca46eSDavid Howells #define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ 110b62faf3cSSimon Wunderlich #define ETH_P_80221 0x8917 /* IEEE 802.21 Media Independent Handover Protocol */ 111ee1c2797SPeter Heise #define ETH_P_HSR 0x892F /* IEC 62439-3 HSRv1 */ 112155e6f64SJiri Benc #define ETH_P_NSH 0x894F /* Network Service Header */ 11361ccbb68SVeaceslav Falico #define ETH_P_LOOPBACK 0x9000 /* Ethernet loopback packet, per IEEE 802.3 */ 114607ca46eSDavid Howells #define ETH_P_QINQ1 0x9100 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ 115607ca46eSDavid Howells #define ETH_P_QINQ2 0x9200 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ 116607ca46eSDavid Howells #define ETH_P_QINQ3 0x9300 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */ 117607ca46eSDavid Howells #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ 118bf5bc3ceSVladimir Oltean #define ETH_P_DSA_8021Q 0xDADB /* Fake VLAN Header for DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ 119a08d6a6dSClément Léger #define ETH_P_DSA_A5PSW 0xE001 /* A5PSW Tag Value [ NOT AN OFFICIALLY REGISTERED ID ] */ 1202804fd3aSAlexander Aring #define ETH_P_IFE 0xED3E /* ForCES inter-FE LFB type */ 121607ca46eSDavid Howells #define ETH_P_AF_IUCV 0xFBFB /* IBM af_iucv [ NOT AN OFFICIALLY REGISTERED ID ] */ 122607ca46eSDavid Howells 12372f6a452SXiayu Zhang #define ETH_P_802_3_MIN 0x0600 /* If the value in the ethernet type is more than this value 124e5c5d22eSSimon Horman * then the frame is Ethernet II. Else it is 802.3 */ 125e5c5d22eSSimon Horman 126607ca46eSDavid Howells /* 127607ca46eSDavid Howells * Non DIX types. Won't clash for 1500 types. 128607ca46eSDavid Howells */ 129607ca46eSDavid Howells 130607ca46eSDavid Howells #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ 131607ca46eSDavid Howells #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ 132607ca46eSDavid Howells #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ 133607ca46eSDavid Howells #define ETH_P_802_2 0x0004 /* 802.2 frames */ 134607ca46eSDavid Howells #define ETH_P_SNAP 0x0005 /* Internal only */ 135607ca46eSDavid Howells #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ 136607ca46eSDavid Howells #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ 137607ca46eSDavid Howells #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ 138607ca46eSDavid Howells #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ 139607ca46eSDavid Howells #define ETH_P_CAN 0x000C /* CAN: Controller Area Network */ 140607ca46eSDavid Howells #define ETH_P_CANFD 0x000D /* CANFD: CAN flexible data rate*/ 141*fb08cba1SOliver Hartkopp #define ETH_P_CANXL 0x000E /* CANXL: eXtended frame Length */ 142607ca46eSDavid Howells #define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ 143607ca46eSDavid Howells #define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ 144607ca46eSDavid Howells #define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ 145607ca46eSDavid Howells #define ETH_P_CONTROL 0x0016 /* Card specific control frames */ 146607ca46eSDavid Howells #define ETH_P_IRDA 0x0017 /* Linux-IrDA */ 147607ca46eSDavid Howells #define ETH_P_ECONET 0x0018 /* Acorn Econet */ 148607ca46eSDavid Howells #define ETH_P_HDLC 0x0019 /* HDLC frames */ 149607ca46eSDavid Howells #define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ 150607ca46eSDavid Howells #define ETH_P_DSA 0x001B /* Distributed Switch Arch. */ 151607ca46eSDavid Howells #define ETH_P_TRAILER 0x001C /* Trailer switch tagging */ 152607ca46eSDavid Howells #define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */ 153607ca46eSDavid Howells #define ETH_P_IEEE802154 0x00F6 /* IEEE802.15.4 frame */ 154607ca46eSDavid Howells #define ETH_P_CAIF 0x00F7 /* ST-Ericsson CAIF protocol */ 1553e8a72d1SFlorian Fainelli #define ETH_P_XDSA 0x00F8 /* Multiplexed DSA protocol */ 1567373ae7eSSubash Abhinov Kasiviswanathan #define ETH_P_MAP 0x00F9 /* Qualcomm multiplexing and 1577373ae7eSSubash Abhinov Kasiviswanathan * aggregation protocol 1587373ae7eSSubash Abhinov Kasiviswanathan */ 159583be982SJeremy Kerr #define ETH_P_MCTP 0x00FA /* Management component transport 160583be982SJeremy Kerr * protocol packets 161583be982SJeremy Kerr */ 162607ca46eSDavid Howells 163607ca46eSDavid Howells /* 164607ca46eSDavid Howells * This is an Ethernet frame header. 165607ca46eSDavid Howells */ 166607ca46eSDavid Howells 167da360299SHauke Mehrtens /* allow libcs like musl to deactivate this, glibc does not implement this. */ 168da360299SHauke Mehrtens #ifndef __UAPI_DEF_ETHHDR 169da360299SHauke Mehrtens #define __UAPI_DEF_ETHHDR 1 170da360299SHauke Mehrtens #endif 171da360299SHauke Mehrtens 1726926e041SHauke Mehrtens #if __UAPI_DEF_ETHHDR 173607ca46eSDavid Howells struct ethhdr { 174607ca46eSDavid Howells unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ 175607ca46eSDavid Howells unsigned char h_source[ETH_ALEN]; /* source ether addr */ 176607ca46eSDavid Howells __be16 h_proto; /* packet type ID field */ 177607ca46eSDavid Howells } __attribute__((packed)); 1786926e041SHauke Mehrtens #endif 179607ca46eSDavid Howells 180607ca46eSDavid Howells 181607ca46eSDavid Howells #endif /* _UAPI_LINUX_IF_ETHER_H */ 182