Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
| 3 | * operating system. INET is implemented using the BSD Socket |
| 4 | * interface as the means of communication with the user level. |
| 5 | * |
| 6 | * Global definitions for the Ethernet IEEE 802.3 interface. |
| 7 | * |
| 8 | * Version: @(#)if_ether.h 1.0.1a 02/08/94 |
| 9 | * |
| 10 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| 11 | * Donald Becker, <becker@super.org> |
Alan Cox | 113aa83 | 2008-10-13 19:01:08 -0700 | [diff] [blame] | 12 | * Alan Cox, <alan@lxorguk.ukuu.org.uk> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or |
| 16 | * modify it under the terms of the GNU General Public License |
| 17 | * as published by the Free Software Foundation; either version |
| 18 | * 2 of the License, or (at your option) any later version. |
| 19 | */ |
Graf Yang | fe2918b | 2009-02-05 21:26:19 -0800 | [diff] [blame] | 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #ifndef _LINUX_IF_ETHER_H |
| 22 | #define _LINUX_IF_ETHER_H |
| 23 | |
Pavel Roskin | ac57d04 | 2005-11-10 13:03:08 -0800 | [diff] [blame] | 24 | #include <linux/types.h> |
| 25 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | /* |
| 27 | * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble |
Graf Yang | fe2918b | 2009-02-05 21:26:19 -0800 | [diff] [blame] | 28 | * and FCS/CRC (frame check sequence). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | */ |
| 30 | |
| 31 | #define ETH_ALEN 6 /* Octets in one ethernet addr */ |
| 32 | #define ETH_HLEN 14 /* Total octets in header. */ |
| 33 | #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ |
| 34 | #define ETH_DATA_LEN 1500 /* Max. octets in payload */ |
| 35 | #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ |
Auke Kok | 2053ed0 | 2007-05-15 15:29:16 -0700 | [diff] [blame] | 36 | #define ETH_FCS_LEN 4 /* Octets in the FCS */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | /* |
| 39 | * These are the defined Ethernet Protocol ID's. |
| 40 | */ |
| 41 | |
| 42 | #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ |
| 43 | #define ETH_P_PUP 0x0200 /* Xerox PUP packet */ |
| 44 | #define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ |
| 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 [ NOT AN OFFICIALLY REGISTERED ID ] */ |
| 49 | #define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ |
| 50 | #define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ |
| 51 | #define ETH_P_DEC 0x6000 /* DEC Assigned proto */ |
| 52 | #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ |
| 53 | #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ |
| 54 | #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ |
| 55 | #define ETH_P_LAT 0x6004 /* DEC LAT */ |
| 56 | #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ |
| 57 | #define ETH_P_CUST 0x6006 /* DEC Customer use */ |
| 58 | #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ |
Herbert Xu | e1a8000 | 2008-10-09 12:00:17 -0700 | [diff] [blame] | 59 | #define ETH_P_TEB 0x6558 /* Trans Ether Bridging */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ |
| 61 | #define ETH_P_ATALK 0x809B /* Appletalk DDP */ |
| 62 | #define ETH_P_AARP 0x80F3 /* Appletalk AARP */ |
| 63 | #define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ |
| 64 | #define ETH_P_IPX 0x8137 /* IPX over DIX */ |
| 65 | #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ |
Stephen Hemminger | 2111f8b | 2007-04-25 22:05:55 -0700 | [diff] [blame] | 66 | #define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */ |
Jay Vosburgh | 8f903c7 | 2006-02-21 16:36:44 -0800 | [diff] [blame] | 67 | #define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | #define ETH_P_WCCP 0x883E /* Web-cache coordination protocol |
| 69 | * defined in draft-wilson-wrec-wccp-v2-00.txt */ |
| 70 | #define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ |
| 71 | #define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ |
| 72 | #define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ |
| 73 | #define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ |
| 74 | #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ |
| 75 | #define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport |
| 76 | * over Ethernet |
| 77 | */ |
Jasper Bryant-Greene | fef1643 | 2008-08-03 11:30:55 +1200 | [diff] [blame] | 78 | #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ |
Per Liden | 33a9c4d | 2006-01-16 11:42:12 +0100 | [diff] [blame] | 80 | #define ETH_P_TIPC 0x88CA /* TIPC */ |
Yi Zou | 211c738 | 2009-02-27 14:06:37 -0800 | [diff] [blame] | 81 | #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ |
Lennert Buytenhek | 91da11f | 2008-10-07 13:44:02 +0000 | [diff] [blame] | 82 | #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | |
| 84 | /* |
| 85 | * Non DIX types. Won't clash for 1500 types. |
| 86 | */ |
Graf Yang | fe2918b | 2009-02-05 21:26:19 -0800 | [diff] [blame] | 87 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ |
| 89 | #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ |
| 90 | #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ |
| 91 | #define ETH_P_802_2 0x0004 /* 802.2 frames */ |
| 92 | #define ETH_P_SNAP 0x0005 /* Internal only */ |
| 93 | #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ |
| 94 | #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ |
| 95 | #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ |
| 96 | #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ |
Oliver Hartkopp | cd05acf | 2007-12-16 15:59:24 -0800 | [diff] [blame] | 97 | #define ETH_P_CAN 0x000C /* Controller Area Network */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | #define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ |
| 99 | #define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ |
| 100 | #define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ |
| 101 | #define ETH_P_CONTROL 0x0016 /* Card specific control frames */ |
| 102 | #define ETH_P_IRDA 0x0017 /* Linux-IrDA */ |
| 103 | #define ETH_P_ECONET 0x0018 /* Acorn Econet */ |
| 104 | #define ETH_P_HDLC 0x0019 /* HDLC frames */ |
| 105 | #define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ |
Lennert Buytenhek | cf85d08 | 2008-10-07 13:45:02 +0000 | [diff] [blame] | 106 | #define ETH_P_DSA 0x001B /* Distributed Switch Arch. */ |
Lennert Buytenhek | 396138f | 2008-10-07 13:46:07 +0000 | [diff] [blame] | 107 | #define ETH_P_TRAILER 0x001C /* Trailer switch tagging */ |
Remi Denis-Courmont | bce7b15 | 2008-09-22 19:51:15 -0700 | [diff] [blame] | 108 | #define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | |
| 110 | /* |
| 111 | * This is an Ethernet frame header. |
| 112 | */ |
Graf Yang | fe2918b | 2009-02-05 21:26:19 -0800 | [diff] [blame] | 113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | struct ethhdr { |
| 115 | unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ |
| 116 | unsigned char h_source[ETH_ALEN]; /* source ether addr */ |
Pavel Roskin | ac57d04 | 2005-11-10 13:03:08 -0800 | [diff] [blame] | 117 | __be16 h_proto; /* packet type ID field */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | } __attribute__((packed)); |
| 119 | |
| 120 | #ifdef __KERNEL__ |
| 121 | #include <linux/skbuff.h> |
| 122 | |
| 123 | static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) |
| 124 | { |
Arnaldo Carvalho de Melo | 98e399f | 2007-03-19 15:33:04 -0700 | [diff] [blame] | 125 | return (struct ethhdr *)skb_mac_header(skb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | } |
Arnaldo Carvalho de Melo | 2038073 | 2005-08-16 02:18:02 -0300 | [diff] [blame] | 127 | |
Stephen Hemminger | 3b04ddd | 2007-10-09 01:40:57 -0700 | [diff] [blame] | 128 | int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr); |
| 129 | |
Ben Dooks | 2fab35d | 2005-09-27 15:59:43 -0700 | [diff] [blame] | 130 | #ifdef CONFIG_SYSCTL |
Arnaldo Carvalho de Melo | 2038073 | 2005-08-16 02:18:02 -0300 | [diff] [blame] | 131 | extern struct ctl_table ether_table[]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | #endif |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 133 | |
Michael Chan | 7ffc49a | 2007-12-24 21:28:09 -0800 | [diff] [blame] | 134 | extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len); |
| 135 | |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 136 | /* |
| 137 | * Display a 6 byte device address (MAC) in a readable format. |
| 138 | */ |
David S. Miller | 55b01e8 | 2008-02-23 20:09:11 -0800 | [diff] [blame] | 139 | extern char *print_mac(char *buf, const unsigned char *addr); |
| 140 | #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" |
Michael Chan | 7ffc49a | 2007-12-24 21:28:09 -0800 | [diff] [blame] | 141 | #define MAC_BUF_SIZE 18 |
| 142 | #define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 143 | |
Ben Dooks | 2fab35d | 2005-09-27 15:59:43 -0700 | [diff] [blame] | 144 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | |
| 146 | #endif /* _LINUX_IF_ETHER_H */ |