if_ether.h 8.6 KB

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  1. /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
  2. /*
  3. * INET An implementation of the TCP/IP protocol suite for the LINUX
  4. * operating system. INET is implemented using the BSD Socket
  5. * interface as the means of communication with the user level.
  6. *
  7. * Global definitions for the Ethernet IEEE 802.3 interface.
  8. *
  9. * Version: @(#)if_ether.h 1.0.1a 02/08/94
  10. *
  11. * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
  12. * Donald Becker, <becker@super.org>
  13. * Alan Cox, <alan@lxorguk.ukuu.org.uk>
  14. * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
  15. *
  16. * This program is free software; you can redistribute it and/or
  17. * modify it under the terms of the GNU General Public License
  18. * as published by the Free Software Foundation; either version
  19. * 2 of the License, or (at your option) any later version.
  20. */
  21. #ifndef _UAPI_LINUX_IF_ETHER_H
  22. #define _UAPI_LINUX_IF_ETHER_H
  23. #include <linux/types.h>
  24. /*
  25. * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
  26. * and FCS/CRC (frame check sequence).
  27. */
  28. #define ETH_ALEN 6 /* Octets in one ethernet addr */
  29. #define ETH_TLEN 2 /* Octets in ethernet type field */
  30. #define ETH_HLEN 14 /* Total octets in header. */
  31. #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
  32. #define ETH_DATA_LEN 1500 /* Max. octets in payload */
  33. #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
  34. #define ETH_FCS_LEN 4 /* Octets in the FCS */
  35. #define ETH_MIN_MTU 68 /* Min IPv4 MTU per RFC791 */
  36. #define ETH_MAX_MTU 0xFFFFU /* 65535, same as IP_MAX_MTU */
  37. /*
  38. * These are the defined Ethernet Protocol ID's.
  39. */
  40. #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */
  41. #define ETH_P_PUP 0x0200 /* Xerox PUP packet */
  42. #define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */
  43. #define ETH_P_TSN 0x22F0 /* TSN (IEEE 1722) packet */
  44. #define ETH_P_ERSPAN2 0x22EB /* ERSPAN version 2 (type III) */
  45. #define ETH_P_IP 0x0800 /* Internet Protocol packet */
  46. #define ETH_P_X25 0x0805 /* CCITT X.25 */
  47. #define ETH_P_ARP 0x0806 /* Address Resolution packet */
  48. #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet */
  49. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  50. #define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */
  51. #define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */
  52. #define ETH_P_BATMAN 0x4305 /* B.A.T.M.A.N.-Advanced packet */
  53. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  54. #define ETH_P_DEC 0x6000 /* DEC Assigned proto */
  55. #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */
  56. #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */
  57. #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */
  58. #define ETH_P_LAT 0x6004 /* DEC LAT */
  59. #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */
  60. #define ETH_P_CUST 0x6006 /* DEC Customer use */
  61. #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */
  62. #define ETH_P_TEB 0x6558 /* Trans Ether Bridging */
  63. #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */
  64. #define ETH_P_ATALK 0x809B /* Appletalk DDP */
  65. #define ETH_P_AARP 0x80F3 /* Appletalk AARP */
  66. #define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */
  67. #define ETH_P_ERSPAN 0x88BE /* ERSPAN type II */
  68. #define ETH_P_IPX 0x8137 /* IPX over DIX */
  69. #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */
  70. #define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */
  71. #define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */
  72. #define ETH_P_WCCP 0x883E /* Web-cache coordination */
  73. /* protocol defined in */
  74. /* draft-wilson-wrec-wccp-v2-00.txt */
  75. #define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */
  76. #define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */
  77. #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */
  78. #define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */
  79. #define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */
  80. #define ETH_P_LINK_CTL 0x886c /* HPNA, wlan link local tunnel */
  81. #define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport over Ethernet */
  82. #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
  83. #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */
  84. #define ETH_P_8021AD 0x88A8 /* 802.1ad Service VLAN */
  85. #define ETH_P_802_EX1 0x88B5 /* 802.1 Local Experimental 1. */
  86. #define ETH_P_PREAUTH 0x88C7 /* 802.11 Preauthentication */
  87. #define ETH_P_TIPC 0x88CA /* TIPC */
  88. #define ETH_P_MACSEC 0x88E5 /* 802.1ae MACsec */
  89. #define ETH_P_8021AH 0x88E7 /* 802.1ah Backbone Service Tag */
  90. #define ETH_P_MVRP 0x88F5 /* 802.1Q MVRP */
  91. #define ETH_P_1588 0x88F7 /* IEEE 1588 Timesync */
  92. #define ETH_P_NCSI 0x88F8 /* NCSI protocol */
  93. #define ETH_P_PRP 0x88FB /* IEC 62439-3 PRP/HSRv0 */
  94. #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */
  95. #define ETH_P_IBOE 0x8915 /* Infiniband over Ethernet */
  96. #define ETH_P_TDLS 0x890D /* TDLS */
  97. #define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */
  98. #define ETH_P_80221 0x8917 /* IEEE 802.21 Media Independent */
  99. /* Handover Protocol */
  100. #define ETH_P_HSR 0x892F /* IEC 62439-3 HSRv1 */
  101. #define ETH_P_NSH 0x894F /* Network Service Header */
  102. #define ETH_P_LOOPBACK 0x9000 /* Ethernet loopback packet, per IEEE 802.3 */
  103. #define ETH_P_QINQ1 0x9100 /* deprecated QinQ VLAN */
  104. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  105. #define ETH_P_QINQ2 0x9200 /* deprecated QinQ VLAN */
  106. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  107. #define ETH_P_QINQ3 0x9300 /* deprecated QinQ VLAN] */
  108. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  109. #define ETH_P_EDSA 0xDADA /* Ethertype DSA */
  110. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  111. #define ETH_P_IFE 0xED3E /* ForCES inter-FE LFB type */
  112. #define ETH_P_AF_IUCV 0xFBFB /* IBM af_iucv */
  113. /* [ NOT AN OFFICIALLY REGISTERED ID ] */
  114. #define ETH_P_802_3_MIN 0x0600 /* If the value in the ethernet type is less */
  115. /* than this value then the frame is Ethernet */
  116. /* II. Else it is 802.3 */
  117. /*
  118. * Non DIX types. Won't clash for 1500 types.
  119. */
  120. #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */
  121. #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */
  122. #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */
  123. #define ETH_P_802_2 0x0004 /* 802.2 frames */
  124. #define ETH_P_SNAP 0x0005 /* Internal only */
  125. #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */
  126. #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/
  127. #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */
  128. #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */
  129. #define ETH_P_CAN 0x000C /* CAN: Controller Area Network */
  130. #define ETH_P_CANFD 0x000D /* CANFD: CAN flexible data rate*/
  131. #define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/
  132. #define ETH_P_TR_802_2 0x0011 /* 802.2 frames */
  133. #define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */
  134. #define ETH_P_CONTROL 0x0016 /* Card specific control frames */
  135. #define ETH_P_IRDA 0x0017 /* Linux-IrDA */
  136. #define ETH_P_ECONET 0x0018 /* Acorn Econet */
  137. #define ETH_P_HDLC 0x0019 /* HDLC frames */
  138. #define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */
  139. #define ETH_P_DSA 0x001B /* Distributed Switch Arch */
  140. #define ETH_P_TRAILER 0x001C /* Trailer switch tagging */
  141. #define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */
  142. #define ETH_P_IEEE802154 0x00F6 /* IEEE802.15.4 frame */
  143. #define ETH_P_CAIF 0x00F7 /* ST-Ericsson CAIF protocol */
  144. #define ETH_P_XDSA 0x00F8 /* Multiplexed DSA protocol */
  145. #define ETH_P_MAP 0x00F9 /* Qualcomm multiplexing and */
  146. /* aggregation protocol */
  147. /* The following macros come from Linux kernel include/linux/if_vlan.h */
  148. #define VLAN_HLEN 4 /* The additional bytes required by VLAN */
  149. /* (in addition to the Ethernet header) */
  150. #define VLAN_ETH_HLEN 18 /* Total octets in header. */
  151. #define VLAN_ETH_ZLEN 64 /* Min. octets in frame sans FCS */
  152. /*
  153. * According to 802.3ac, the packet can be 4 bytes longer. --Klika Jan
  154. */
  155. #define VLAN_ETH_DATA_LEN 1500 /* Max. octets in payload */
  156. #define VLAN_ETH_FRAME_LEN 1518 /* Max. octets in frame sans FCS */
  157. #define VLAN_PRIO_MASK 0xe000 /* Priority Code Point */
  158. #define VLAN_PRIO_SHIFT 13
  159. #define VLAN_CFI_MASK 0x1000 /* Canonical Format Indicator */
  160. #define VLAN_TAG_PRESENT VLAN_CFI_MASK
  161. #define VLAN_VID_MASK 0x0fff /* VLAN Identifier */
  162. #define VLAN_N_VID 4096
  163. #endif /* _UAPI_LINUX_IF_ETHER_H */