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