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9cbc1cb8cd
Conflicts: Documentation/feature-removal-schedule.txt drivers/scsi/fcoe/fcoe.c net/core/drop_monitor.c net/core/net-traces.c
149 lines
6.1 KiB
C
149 lines
6.1 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Global definitions for the Ethernet IEEE 802.3 interface.
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*
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* Version: @(#)if_ether.h 1.0.1a 02/08/94
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*
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* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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* Donald Becker, <becker@super.org>
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* Alan Cox, <alan@lxorguk.ukuu.org.uk>
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* Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_IF_ETHER_H
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#define _LINUX_IF_ETHER_H
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#include <linux/types.h>
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/*
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* IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
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* and FCS/CRC (frame check sequence).
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*/
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#define ETH_ALEN 6 /* Octets in one ethernet addr */
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#define ETH_HLEN 14 /* Total octets in header. */
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#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
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#define ETH_DATA_LEN 1500 /* Max. octets in payload */
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#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
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#define ETH_FCS_LEN 4 /* Octets in the FCS */
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/*
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* These are the defined Ethernet Protocol ID's.
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*/
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#define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */
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#define ETH_P_PUP 0x0200 /* Xerox PUP packet */
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#define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */
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#define ETH_P_IP 0x0800 /* Internet Protocol packet */
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#define ETH_P_X25 0x0805 /* CCITT X.25 */
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#define ETH_P_ARP 0x0806 /* Address Resolution packet */
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#define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */
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#define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */
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#define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */
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#define ETH_P_DEC 0x6000 /* DEC Assigned proto */
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#define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */
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#define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */
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#define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */
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#define ETH_P_LAT 0x6004 /* DEC LAT */
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#define ETH_P_DIAG 0x6005 /* DEC Diagnostics */
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#define ETH_P_CUST 0x6006 /* DEC Customer use */
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#define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */
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#define ETH_P_TEB 0x6558 /* Trans Ether Bridging */
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#define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */
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#define ETH_P_ATALK 0x809B /* Appletalk DDP */
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#define ETH_P_AARP 0x80F3 /* Appletalk AARP */
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#define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */
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#define ETH_P_IPX 0x8137 /* IPX over DIX */
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#define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */
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#define ETH_P_PAUSE 0x8808 /* IEEE Pause frames. See 802.3 31B */
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#define ETH_P_SLOW 0x8809 /* Slow Protocol. See 802.3ad 43B */
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#define ETH_P_WCCP 0x883E /* Web-cache coordination protocol
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* defined in draft-wilson-wrec-wccp-v2-00.txt */
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#define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */
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#define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */
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#define ETH_P_MPLS_UC 0x8847 /* MPLS Unicast traffic */
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#define ETH_P_MPLS_MC 0x8848 /* MPLS Multicast traffic */
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#define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */
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#define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport
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* over Ethernet
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*/
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#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
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#define ETH_P_AOE 0x88A2 /* ATA over Ethernet */
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#define ETH_P_TIPC 0x88CA /* TIPC */
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#define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */
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#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */
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#define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */
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/*
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* Non DIX types. Won't clash for 1500 types.
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*/
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#define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */
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#define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */
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#define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */
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#define ETH_P_802_2 0x0004 /* 802.2 frames */
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#define ETH_P_SNAP 0x0005 /* Internal only */
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#define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */
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#define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/
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#define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */
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#define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */
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#define ETH_P_CAN 0x000C /* Controller Area Network */
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#define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/
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#define ETH_P_TR_802_2 0x0011 /* 802.2 frames */
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#define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */
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#define ETH_P_CONTROL 0x0016 /* Card specific control frames */
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#define ETH_P_IRDA 0x0017 /* Linux-IrDA */
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#define ETH_P_ECONET 0x0018 /* Acorn Econet */
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#define ETH_P_HDLC 0x0019 /* HDLC frames */
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#define ETH_P_ARCNET 0x001A /* 1A for ArcNet :-) */
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#define ETH_P_DSA 0x001B /* Distributed Switch Arch. */
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#define ETH_P_TRAILER 0x001C /* Trailer switch tagging */
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#define ETH_P_PHONET 0x00F5 /* Nokia Phonet frames */
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#define ETH_P_IEEE802154 0x00F6 /* IEEE802.15.4 frame */
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/*
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* This is an Ethernet frame header.
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*/
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struct ethhdr {
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unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
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unsigned char h_source[ETH_ALEN]; /* source ether addr */
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__be16 h_proto; /* packet type ID field */
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} __attribute__((packed));
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#ifdef __KERNEL__
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#include <linux/skbuff.h>
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static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
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{
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return (struct ethhdr *)skb_mac_header(skb);
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}
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int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
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#ifdef CONFIG_SYSCTL
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extern struct ctl_table ether_table[];
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#endif
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extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
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/*
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* Display a 6 byte device address (MAC) in a readable format.
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*/
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extern char *print_mac(char *buf, const unsigned char *addr);
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#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
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#define MAC_BUF_SIZE 18
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#define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused
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#endif
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#endif /* _LINUX_IF_ETHER_H */
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