LCOV - code coverage report
Current view: top level - include/linux - if_ether.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 2 2 100.0 %
Date: 2017-01-25 Functions: 0 0 -

          Line data    Source code
       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             : 
     113             : /*
     114             :  *      This is an Ethernet frame header.
     115             :  */
     116             : 
     117             : struct ethhdr {
     118             :         unsigned char   h_dest[ETH_ALEN];       /* destination eth addr */
     119             :         unsigned char   h_source[ETH_ALEN];     /* source ether addr    */
     120             :         __be16          h_proto;                /* packet type ID field */
     121             : } __attribute__((packed));
     122           2 : 
     123             : #ifdef __KERNEL__
     124             : #include <linux/skbuff.h>
     125             : 
     126             : static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
     127             : {
     128             :         return (struct ethhdr *)skb_mac_header(skb);
     129             : }
     130             : 
     131             : int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
     132             : 
     133             : #ifdef CONFIG_SYSCTL
     134             : extern struct ctl_table ether_table[];
     135             : #endif
     136             : 
     137             : extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
     138           1 : 
     139             : #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
     140             : 
     141             : #endif
     142             : 
     143             : #endif  /* _LINUX_IF_ETHER_H */

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