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/include/linux/if_ether.h

https://gitlab.com/simplified-mandatory-access-control-kernel/ossecus-simplified-mandatory-access-control-kernel
C Header | 142 lines | 90 code | 17 blank | 35 comment | 0 complexity | fa5c1ee923c1521f90895793d25c8299 MD5 | raw file
  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>
 12 *		Alan Cox, <alan@lxorguk.ukuu.org.uk>
 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 */
 20
 21#ifndef _LINUX_IF_ETHER_H
 22#define _LINUX_IF_ETHER_H
 23
 24#include <linux/types.h>
 25
 26/*
 27 *	IEEE 802.3 Ethernet magic constants.  The frame sizes omit the preamble
 28 *	and FCS/CRC (frame check sequence).
 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 */
 36#define ETH_FCS_LEN	4		/* Octets in the FCS		 */
 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       */
 59#define ETH_P_TEB	0x6558		/* Trans Ether Bridging		*/
 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		*/
 66#define ETH_P_PAUSE	0x8808		/* IEEE Pause frames. See 802.3 31B */
 67#define ETH_P_SLOW	0x8809		/* Slow Protocol. See 802.3ad 43B */
 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					 */
 78#define ETH_P_PAE	0x888E		/* Port Access Entity (IEEE 802.1X) */
 79#define ETH_P_AOE	0x88A2		/* ATA over Ethernet		*/
 80#define ETH_P_TIPC	0x88CA		/* TIPC 			*/
 81#define ETH_P_1588	0x88F7		/* IEEE 1588 Timesync */
 82#define ETH_P_FCOE	0x8906		/* Fibre Channel over Ethernet  */
 83#define ETH_P_FIP	0x8914		/* FCoE Initialization Protocol */
 84#define ETH_P_EDSA	0xDADA		/* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */
 85
 86/*
 87 *	Non DIX types. Won't clash for 1500 types.
 88 */
 89
 90#define ETH_P_802_3	0x0001		/* Dummy type for 802.3 frames  */
 91#define ETH_P_AX25	0x0002		/* Dummy protocol id for AX.25  */
 92#define ETH_P_ALL	0x0003		/* Every packet (be careful!!!) */
 93#define ETH_P_802_2	0x0004		/* 802.2 frames 		*/
 94#define ETH_P_SNAP	0x0005		/* Internal only		*/
 95#define ETH_P_DDCMP     0x0006          /* DEC DDCMP: Internal only     */
 96#define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
 97#define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
 98#define ETH_P_LOCALTALK 0x0009		/* Localtalk pseudo type 	*/
 99#define ETH_P_CAN	0x000C		/* Controller Area Network      */
100#define ETH_P_PPPTALK	0x0010		/* Dummy type for Atalk over PPP*/
101#define ETH_P_TR_802_2	0x0011		/* 802.2 frames 		*/
102#define ETH_P_MOBITEX	0x0015		/* Mobitex (kaz@cafe.net)	*/
103#define ETH_P_CONTROL	0x0016		/* Card specific control frames */
104#define ETH_P_IRDA	0x0017		/* Linux-IrDA			*/
105#define ETH_P_ECONET	0x0018		/* Acorn Econet			*/
106#define ETH_P_HDLC	0x0019		/* HDLC frames			*/
107#define ETH_P_ARCNET	0x001A		/* 1A for ArcNet :-)            */
108#define ETH_P_DSA	0x001B		/* Distributed Switch Arch.	*/
109#define ETH_P_TRAILER	0x001C		/* Trailer switch tagging	*/
110#define ETH_P_PHONET	0x00F5		/* Nokia Phonet frames          */
111#define ETH_P_IEEE802154 0x00F6		/* IEEE802.15.4 frame		*/
112#define ETH_P_CAIF	0x00F7		/* ST-Ericsson CAIF protocol	*/
113
114/*
115 *	This is an Ethernet frame header.
116 */
117
118struct ethhdr {
119	unsigned char	h_dest[ETH_ALEN];	/* destination eth addr	*/
120	unsigned char	h_source[ETH_ALEN];	/* source ether addr	*/
121	__be16		h_proto;		/* packet type ID field	*/
122} __attribute__((packed));
123
124#ifdef __KERNEL__
125#include <linux/skbuff.h>
126
127static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
128{
129	return (struct ethhdr *)skb_mac_header(skb);
130}
131
132int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
133
134#ifdef CONFIG_SYSCTL
135extern struct ctl_table ether_table[];
136#endif
137
138extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
139
140#endif
141
142#endif	/* _LINUX_IF_ETHER_H */