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1 /* |
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2 * INET An implementation of the TCP/IP protocol suite for the LINUX |
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3 * operating system. INET is implemented using the BSD Socket |
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4 * interface as the means of communication with the user level. |
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5 * |
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6 * Global definitions for the ANSI FDDI interface. |
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7 * |
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8 * Version: @(#)if_fddi.h 1.0.2 Sep 29 2004 |
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9 * |
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10 * Author: Lawrence V. Stefani, <stefani@lkg.dec.com> |
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11 * |
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12 * if_fddi.h is based on previous if_ether.h and if_tr.h work by |
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13 * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
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14 * Donald Becker, <becker@super.org> |
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15 * Alan Cox, <alan@lxorguk.ukuu.org.uk> |
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16 * Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk> |
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17 * Peter De Schrijver, <stud11@cc4.kuleuven.ac.be> |
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18 * |
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19 * This program is free software; you can redistribute it and/or |
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20 * modify it under the terms of the GNU General Public License |
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21 * as published by the Free Software Foundation; either version |
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22 * 2 of the License, or (at your option) any later version. |
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23 */ |
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24 #ifndef _LINUX_IF_FDDI_H |
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25 #define _LINUX_IF_FDDI_H |
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26 |
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27 #include <linux/types.h> |
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28 |
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29 /* |
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30 * Define max and min legal sizes. The frame sizes do not include |
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31 * 4 byte FCS/CRC (frame check sequence). |
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32 */ |
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33 #define FDDI_K_ALEN 6 /* Octets in one FDDI address */ |
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34 #define FDDI_K_8022_HLEN 16 /* Total octets in 802.2 header */ |
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35 #define FDDI_K_SNAP_HLEN 21 /* Total octets in 802.2 SNAP header */ |
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36 #define FDDI_K_8022_ZLEN 16 /* Min octets in 802.2 frame sans FCS */ |
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37 #define FDDI_K_SNAP_ZLEN 21 /* Min octets in 802.2 SNAP frame sans FCS */ |
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38 #define FDDI_K_8022_DLEN 4475 /* Max octets in 802.2 payload */ |
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39 #define FDDI_K_SNAP_DLEN 4470 /* Max octets in 802.2 SNAP payload */ |
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40 #define FDDI_K_LLC_ZLEN 13 /* Min octets in LLC frame sans FCS */ |
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41 #define FDDI_K_LLC_LEN 4491 /* Max octets in LLC frame sans FCS */ |
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42 |
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43 /* Define FDDI Frame Control (FC) Byte values */ |
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44 #define FDDI_FC_K_VOID 0x00 |
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45 #define FDDI_FC_K_NON_RESTRICTED_TOKEN 0x80 |
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46 #define FDDI_FC_K_RESTRICTED_TOKEN 0xC0 |
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47 #define FDDI_FC_K_SMT_MIN 0x41 |
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48 #define FDDI_FC_K_SMT_MAX 0x4F |
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49 #define FDDI_FC_K_MAC_MIN 0xC1 |
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50 #define FDDI_FC_K_MAC_MAX 0xCF |
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51 #define FDDI_FC_K_ASYNC_LLC_MIN 0x50 |
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52 #define FDDI_FC_K_ASYNC_LLC_DEF 0x54 |
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53 #define FDDI_FC_K_ASYNC_LLC_MAX 0x5F |
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54 #define FDDI_FC_K_SYNC_LLC_MIN 0xD0 |
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55 #define FDDI_FC_K_SYNC_LLC_MAX 0xD7 |
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56 #define FDDI_FC_K_IMPLEMENTOR_MIN 0x60 |
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57 #define FDDI_FC_K_IMPLEMENTOR_MAX 0x6F |
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58 #define FDDI_FC_K_RESERVED_MIN 0x70 |
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59 #define FDDI_FC_K_RESERVED_MAX 0x7F |
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60 |
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61 /* Define LLC and SNAP constants */ |
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62 #define FDDI_EXTENDED_SAP 0xAA |
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63 #define FDDI_UI_CMD 0x03 |
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64 |
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65 /* Define 802.2 Type 1 header */ |
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66 struct fddi_8022_1_hdr |
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67 { |
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68 __u8 dsap; /* destination service access point */ |
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69 __u8 ssap; /* source service access point */ |
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70 __u8 ctrl; /* control byte #1 */ |
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71 } __attribute__ ((packed)); |
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72 |
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73 /* Define 802.2 Type 2 header */ |
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74 struct fddi_8022_2_hdr |
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75 { |
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76 __u8 dsap; /* destination service access point */ |
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77 __u8 ssap; /* source service access point */ |
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78 __u8 ctrl_1; /* control byte #1 */ |
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79 __u8 ctrl_2; /* control byte #2 */ |
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80 } __attribute__ ((packed)); |
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81 |
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82 /* Define 802.2 SNAP header */ |
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83 #define FDDI_K_OUI_LEN 3 |
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84 struct fddi_snap_hdr |
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85 { |
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86 __u8 dsap; /* always 0xAA */ |
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87 __u8 ssap; /* always 0xAA */ |
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88 __u8 ctrl; /* always 0x03 */ |
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89 __u8 oui[FDDI_K_OUI_LEN]; /* organizational universal id */ |
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90 __be16 ethertype; /* packet type ID field */ |
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91 } __attribute__ ((packed)); |
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92 |
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93 /* Define FDDI LLC frame header */ |
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94 struct fddihdr |
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95 { |
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96 __u8 fc; /* frame control */ |
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97 __u8 daddr[FDDI_K_ALEN]; /* destination address */ |
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98 __u8 saddr[FDDI_K_ALEN]; /* source address */ |
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99 union |
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100 { |
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101 struct fddi_8022_1_hdr llc_8022_1; |
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102 struct fddi_8022_2_hdr llc_8022_2; |
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103 struct fddi_snap_hdr llc_snap; |
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104 } hdr; |
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105 } __attribute__ ((packed)); |
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106 |
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107 #ifdef __KERNEL__ |
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108 #include <linux/netdevice.h> |
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109 |
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110 /* Define FDDI statistics structure */ |
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111 struct fddi_statistics { |
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112 |
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113 /* Generic statistics. */ |
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114 |
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115 struct net_device_stats gen; |
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116 |
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117 /* Detailed FDDI statistics. Adopted from RFC 1512 */ |
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118 |
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119 __u8 smt_station_id[8]; |
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120 __u32 smt_op_version_id; |
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121 __u32 smt_hi_version_id; |
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122 __u32 smt_lo_version_id; |
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123 __u8 smt_user_data[32]; |
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124 __u32 smt_mib_version_id; |
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125 __u32 smt_mac_cts; |
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126 __u32 smt_non_master_cts; |
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127 __u32 smt_master_cts; |
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128 __u32 smt_available_paths; |
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129 __u32 smt_config_capabilities; |
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130 __u32 smt_config_policy; |
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131 __u32 smt_connection_policy; |
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132 __u32 smt_t_notify; |
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133 __u32 smt_stat_rpt_policy; |
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134 __u32 smt_trace_max_expiration; |
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135 __u32 smt_bypass_present; |
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136 __u32 smt_ecm_state; |
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137 __u32 smt_cf_state; |
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138 __u32 smt_remote_disconnect_flag; |
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139 __u32 smt_station_status; |
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140 __u32 smt_peer_wrap_flag; |
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141 __u32 smt_time_stamp; |
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142 __u32 smt_transition_time_stamp; |
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143 __u32 mac_frame_status_functions; |
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144 __u32 mac_t_max_capability; |
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145 __u32 mac_tvx_capability; |
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146 __u32 mac_available_paths; |
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147 __u32 mac_current_path; |
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148 __u8 mac_upstream_nbr[FDDI_K_ALEN]; |
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149 __u8 mac_downstream_nbr[FDDI_K_ALEN]; |
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150 __u8 mac_old_upstream_nbr[FDDI_K_ALEN]; |
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151 __u8 mac_old_downstream_nbr[FDDI_K_ALEN]; |
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152 __u32 mac_dup_address_test; |
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153 __u32 mac_requested_paths; |
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154 __u32 mac_downstream_port_type; |
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155 __u8 mac_smt_address[FDDI_K_ALEN]; |
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156 __u32 mac_t_req; |
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157 __u32 mac_t_neg; |
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158 __u32 mac_t_max; |
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159 __u32 mac_tvx_value; |
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160 __u32 mac_frame_cts; |
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161 __u32 mac_copied_cts; |
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162 __u32 mac_transmit_cts; |
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163 __u32 mac_error_cts; |
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164 __u32 mac_lost_cts; |
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165 __u32 mac_frame_error_threshold; |
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166 __u32 mac_frame_error_ratio; |
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167 __u32 mac_rmt_state; |
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168 __u32 mac_da_flag; |
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169 __u32 mac_una_da_flag; |
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170 __u32 mac_frame_error_flag; |
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171 __u32 mac_ma_unitdata_available; |
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172 __u32 mac_hardware_present; |
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173 __u32 mac_ma_unitdata_enable; |
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174 __u32 path_tvx_lower_bound; |
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175 __u32 path_t_max_lower_bound; |
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176 __u32 path_max_t_req; |
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177 __u32 path_configuration[8]; |
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178 __u32 port_my_type[2]; |
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179 __u32 port_neighbor_type[2]; |
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180 __u32 port_connection_policies[2]; |
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181 __u32 port_mac_indicated[2]; |
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182 __u32 port_current_path[2]; |
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183 __u8 port_requested_paths[3*2]; |
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184 __u32 port_mac_placement[2]; |
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185 __u32 port_available_paths[2]; |
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186 __u32 port_pmd_class[2]; |
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187 __u32 port_connection_capabilities[2]; |
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188 __u32 port_bs_flag[2]; |
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189 __u32 port_lct_fail_cts[2]; |
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190 __u32 port_ler_estimate[2]; |
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191 __u32 port_lem_reject_cts[2]; |
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192 __u32 port_lem_cts[2]; |
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193 __u32 port_ler_cutoff[2]; |
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194 __u32 port_ler_alarm[2]; |
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195 __u32 port_connect_state[2]; |
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196 __u32 port_pcm_state[2]; |
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197 __u32 port_pc_withhold[2]; |
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198 __u32 port_ler_flag[2]; |
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199 __u32 port_hardware_present[2]; |
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200 }; |
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201 #endif /* __KERNEL__ */ |
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202 |
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203 #endif /* _LINUX_IF_FDDI_H */ |