if_ether.h 4.8 KB

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  1. /******************************************************************************
  2. *
  3. * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
  4. *
  5. * This program is free software; you can redistribute it and/or modify it
  6. * under the terms of version 2 of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * This program is distributed in the hope that it will be useful, but WITHOUT
  10. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12. * more details.
  13. *
  14. * You should have received a copy of the GNU General Public License along with
  15. * this program; if not, write to the Free Software Foundation, Inc.,
  16. * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17. *
  18. *
  19. ******************************************************************************/
  20. #ifndef _LINUX_IF_ETHER_H
  21. #define _LINUX_IF_ETHER_H
  22. /*
  23. * IEEE 802.3 Ethernet magic constants. The frame sizes omit the preamble
  24. * and FCS/CRC (frame check sequence).
  25. */
  26. #define ETH_ALEN 6 /* Octets in one ethernet addr */
  27. #define ETH_HLEN 14 /* Total octets in header. */
  28. #define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
  29. #define ETH_DATA_LEN 1500 /* Max. octets in payload */
  30. #define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
  31. /*
  32. * These are the defined Ethernet Protocol ID's.
  33. */
  34. #define ETH_P_LOOP 0x0060 /* Ethernet Loopback packet */
  35. #define ETH_P_PUP 0x0200 /* Xerox PUP packet */
  36. #define ETH_P_PUPAT 0x0201 /* Xerox PUP Addr Trans packet */
  37. #define ETH_P_IP 0x0800 /* Internet Protocol packet */
  38. #define ETH_P_X25 0x0805 /* CCITT X.25 */
  39. #define ETH_P_ARP 0x0806 /* Address Resolution packet */
  40. #define ETH_P_BPQ 0x08FF /* G8BPQ AX.25 Ethernet Packet [ NOT AN OFFICIALLY REGISTERED ID ] */
  41. #define ETH_P_IEEEPUP 0x0a00 /* Xerox IEEE802.3 PUP packet */
  42. #define ETH_P_IEEEPUPAT 0x0a01 /* Xerox IEEE802.3 PUP Addr Trans packet */
  43. #define ETH_P_DEC 0x6000 /* DEC Assigned proto */
  44. #define ETH_P_DNA_DL 0x6001 /* DEC DNA Dump/Load */
  45. #define ETH_P_DNA_RC 0x6002 /* DEC DNA Remote Console */
  46. #define ETH_P_DNA_RT 0x6003 /* DEC DNA Routing */
  47. #define ETH_P_LAT 0x6004 /* DEC LAT */
  48. #define ETH_P_DIAG 0x6005 /* DEC Diagnostics */
  49. #define ETH_P_CUST 0x6006 /* DEC Customer use */
  50. #define ETH_P_SCA 0x6007 /* DEC Systems Comms Arch */
  51. #define ETH_P_RARP 0x8035 /* Reverse Addr Res packet */
  52. #define ETH_P_ATALK 0x809B /* Appletalk DDP */
  53. #define ETH_P_AARP 0x80F3 /* Appletalk AARP */
  54. #define ETH_P_8021Q 0x8100 /* 802.1Q VLAN Extended Header */
  55. #define ETH_P_IPX 0x8137 /* IPX over DIX */
  56. #define ETH_P_IPV6 0x86DD /* IPv6 over bluebook */
  57. #define ETH_P_PPP_DISC 0x8863 /* PPPoE discovery messages */
  58. #define ETH_P_PPP_SES 0x8864 /* PPPoE session messages */
  59. #define ETH_P_ATMMPOA 0x884c /* MultiProtocol Over ATM */
  60. #define ETH_P_ATMFATE 0x8884 /* Frame-based ATM Transport
  61. * over Ethernet
  62. */
  63. /*
  64. * Non DIX types. Won't clash for 1500 types.
  65. */
  66. #define ETH_P_802_3 0x0001 /* Dummy type for 802.3 frames */
  67. #define ETH_P_AX25 0x0002 /* Dummy protocol id for AX.25 */
  68. #define ETH_P_ALL 0x0003 /* Every packet (be careful!!!) */
  69. #define ETH_P_802_2 0x0004 /* 802.2 frames */
  70. #define ETH_P_SNAP 0x0005 /* Internal only */
  71. #define ETH_P_DDCMP 0x0006 /* DEC DDCMP: Internal only */
  72. #define ETH_P_WAN_PPP 0x0007 /* Dummy type for WAN PPP frames*/
  73. #define ETH_P_PPP_MP 0x0008 /* Dummy type for PPP MP frames */
  74. #define ETH_P_LOCALTALK 0x0009 /* Localtalk pseudo type */
  75. #define ETH_P_PPPTALK 0x0010 /* Dummy type for Atalk over PPP*/
  76. #define ETH_P_TR_802_2 0x0011 /* 802.2 frames */
  77. #define ETH_P_MOBITEX 0x0015 /* Mobitex (kaz@cafe.net) */
  78. #define ETH_P_CONTROL 0x0016 /* Card specific control frames */
  79. #define ETH_P_IRDA 0x0017 /* Linux-IrDA */
  80. #define ETH_P_ECONET 0x0018 /* Acorn Econet */
  81. /*
  82. * This is an Ethernet frame header.
  83. */
  84. struct ethhdr
  85. {
  86. unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
  87. unsigned char h_source[ETH_ALEN]; /* source ether addr */
  88. unsigned short h_proto; /* packet type ID field */
  89. };
  90. struct _vlan {
  91. unsigned short h_vlan_TCI; // Encapsulates priority and VLAN ID
  92. unsigned short h_vlan_encapsulated_proto;
  93. };
  94. #define get_vlan_id(pvlan) ((ntohs((unsigned short )pvlan->h_vlan_TCI)) & 0xfff)
  95. #define get_vlan_priority(pvlan) ((ntohs((unsigned short )pvlan->h_vlan_TCI))>>13)
  96. #define get_vlan_encap_proto(pvlan) (ntohs((unsigned short )pvlan->h_vlan_encapsulated_proto))
  97. #endif /* _LINUX_IF_ETHER_H */