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Diffstat (limited to 'include/linux/if_ether.h')
| -rw-r--r-- | include/linux/if_ether.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h new file mode 100644 index 00000000000..b5b58e9c054 --- /dev/null +++ b/include/linux/if_ether.h @@ -0,0 +1,115 @@ +/* + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * Global definitions for the Ethernet IEEE 802.3 interface. + * + * Version: @(#)if_ether.h 1.0.1a 02/08/94 + * + * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> + * Donald Becker, <becker@super.org> + * Alan Cox, <alan@redhat.com> + * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +#ifndef _LINUX_IF_ETHER_H +#define _LINUX_IF_ETHER_H + +/* + * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble + * and FCS/CRC (frame check sequence). + */ + +#define ETH_ALEN 6 /* Octets in one ethernet addr */ +#define ETH_HLEN 14 /* Total octets in header. */ +#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */ +#define ETH_DATA_LEN 1500 /* Max. octets in payload */ +#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */ + +/* + * These are the defined Ethernet Protocol ID's. + */ + +#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */ +#define ETH_P_PUP 0x0200 /* Xerox PUP packet */ +#define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */ +#define ETH_P_IP 0x0800 /* Internet Protocol packet */ +#define ETH_P_X25 0x0805 /* CCITT X.25 */ +#define ETH_P_ARP 0x0806 /* Address Resolution packet */ +#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */ +#define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */ +#define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */ +#define ETH_P_DEC 0x6000 /* DEC Assigned proto */ +#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */ +#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */ +#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */ +#define ETH_P_LAT 0x6004 /* DEC LAT */ +#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */ +#define ETH_P_CUST 0x6006 /* DEC Customer use */ +#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */ +#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */ +#define ETH_P_ATALK 0x809B /* Appletalk DDP */ +#define ETH_P_AARP 0x80F3 /* Appletalk AARP */ +#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */ +#define ETH_P_IPX 0x8137 /* IPX over DIX */ +#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */ +#define ETH_P_WCCP 0x883E /* Web-cache coordination protocol + * defined in draft-wilson-wrec-wccp-v2-00.txt */ +#define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */ +#define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */ +#define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */ +#define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */ +#define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */ +#define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport + * over Ethernet + */ +#define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ + +/* + * Non DIX types. Won't clash for 1500 types. + */ + +#define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */ +#define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */ +#define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */ +#define ETH_P_802_2 0x0004 /* 802.2 frames */ +#define ETH_P_SNAP 0x0005 /* Internal only */ +#define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */ +#define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/ +#define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */ +#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */ +#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/ +#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */ +#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */ +#define ETH_P_CONTROL 0x0016 /* Card specific control frames */ +#define ETH_P_IRDA 0x0017 /* Linux-IrDA */ +#define ETH_P_ECONET 0x0018 /* Acorn Econet */ +#define ETH_P_HDLC 0x0019 /* HDLC frames */ +#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */ + +/* + * This is an Ethernet frame header. + */ + +struct ethhdr { + unsigned char h_dest[ETH_ALEN]; /* destination eth addr */ + unsigned char h_source[ETH_ALEN]; /* source ether addr */ + unsigned short h_proto; /* packet type ID field */ +} __attribute__((packed)); + +#ifdef __KERNEL__ +#include <linux/skbuff.h> + +static inline struct ethhdr *eth_hdr(const struct sk_buff *skb) +{ + return (struct ethhdr *)skb->mac.raw; +} +#endif + +#endif /* _LINUX_IF_ETHER_H */ |