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@redhat.com> 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/* 28 * Define max and min legal sizes. The frame sizes do not include 29 * 4 byte FCS/CRC (frame check sequence). 30 */ 31#define FDDI_K_ALEN 6 /* Octets in one FDDI address */ 32#define FDDI_K_8022_HLEN 16 /* Total octets in 802.2 header */ 33#define FDDI_K_SNAP_HLEN 21 /* Total octets in 802.2 SNAP header */ 34#define FDDI_K_8022_ZLEN 16 /* Min octets in 802.2 frame sans FCS */ 35#define FDDI_K_SNAP_ZLEN 21 /* Min octets in 802.2 SNAP frame sans FCS */ 36#define FDDI_K_8022_DLEN 4475 /* Max octets in 802.2 payload */ 37#define FDDI_K_SNAP_DLEN 4470 /* Max octets in 802.2 SNAP payload */ 38#define FDDI_K_LLC_ZLEN 13 /* Min octets in LLC frame sans FCS */ 39#define FDDI_K_LLC_LEN 4491 /* Max octets in LLC frame sans FCS */ 40 41/* Define FDDI Frame Control (FC) Byte values */ 42#define FDDI_FC_K_VOID 0x00 43#define FDDI_FC_K_NON_RESTRICTED_TOKEN 0x80 44#define FDDI_FC_K_RESTRICTED_TOKEN 0xC0 45#define FDDI_FC_K_SMT_MIN 0x41 46#define FDDI_FC_K_SMT_MAX 0x4F 47#define FDDI_FC_K_MAC_MIN 0xC1 48#define FDDI_FC_K_MAC_MAX 0xCF 49#define FDDI_FC_K_ASYNC_LLC_MIN 0x50 50#define FDDI_FC_K_ASYNC_LLC_DEF 0x54 51#define FDDI_FC_K_ASYNC_LLC_MAX 0x5F 52#define FDDI_FC_K_SYNC_LLC_MIN 0xD0 53#define FDDI_FC_K_SYNC_LLC_MAX 0xD7 54#define FDDI_FC_K_IMPLEMENTOR_MIN 0x60 55#define FDDI_FC_K_IMPLEMENTOR_MAX 0x6F 56#define FDDI_FC_K_RESERVED_MIN 0x70 57#define FDDI_FC_K_RESERVED_MAX 0x7F 58 59/* Define LLC and SNAP constants */ 60#define FDDI_EXTENDED_SAP 0xAA 61#define FDDI_UI_CMD 0x03 62 63/* Define 802.2 Type 1 header */ 64struct fddi_8022_1_hdr 65 { 66 __u8 dsap; /* destination service access point */ 67 __u8 ssap; /* source service access point */ 68 __u8 ctrl; /* control byte #1 */ 69 } __attribute__ ((packed)); 70 71/* Define 802.2 Type 2 header */ 72struct fddi_8022_2_hdr 73 { 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 82struct fddi_snap_hdr 83 { 84 __u8 dsap; /* always 0xAA */ 85 __u8 ssap; /* always 0xAA */ 86 __u8 ctrl; /* always 0x03 */ 87 __u8 oui[FDDI_K_OUI_LEN]; /* organizational universal id */ 88 __be16 ethertype; /* packet type ID field */ 89 } __attribute__ ((packed)); 90 91/* Define FDDI LLC frame header */ 92struct fddihdr 93 { 94 __u8 fc; /* frame control */ 95 __u8 daddr[FDDI_K_ALEN]; /* destination address */ 96 __u8 saddr[FDDI_K_ALEN]; /* source address */ 97 union 98 { 99 struct fddi_8022_1_hdr llc_8022_1; 100 struct fddi_8022_2_hdr llc_8022_2; 101 struct fddi_snap_hdr llc_snap; 102 } hdr; 103 } __attribute__ ((packed)); 104 105#ifdef __KERNEL__ 106#include <linux/netdevice.h> 107 108/* Define FDDI statistics structure */ 109struct fddi_statistics { 110 111 /* Generic statistics. */ 112 113 struct net_device_stats gen; 114 115 /* Detailed FDDI statistics. Adopted from RFC 1512 */ 116 117 __u8 smt_station_id[8]; 118 __u32 smt_op_version_id; 119 __u32 smt_hi_version_id; 120 __u32 smt_lo_version_id; 121 __u8 smt_user_data[32]; 122 __u32 smt_mib_version_id; 123 __u32 smt_mac_cts; 124 __u32 smt_non_master_cts; 125 __u32 smt_master_cts; 126 __u32 smt_available_paths; 127 __u32 smt_config_capabilities; 128 __u32 smt_config_policy; 129 __u32 smt_connection_policy; 130 __u32 smt_t_notify; 131 __u32 smt_stat_rpt_policy; 132 __u32 smt_trace_max_expiration; 133 __u32 smt_bypass_present; 134 __u32 smt_ecm_state; 135 __u32 smt_cf_state; 136 __u32 smt_remote_disconnect_flag; 137 __u32 smt_station_status; 138 __u32 smt_peer_wrap_flag; 139 __u32 smt_time_stamp; 140 __u32 smt_transition_time_stamp; 141 __u32 mac_frame_status_functions; 142 __u32 mac_t_max_capability; 143 __u32 mac_tvx_capability; 144 __u32 mac_available_paths; 145 __u32 mac_current_path; 146 __u8 mac_upstream_nbr[FDDI_K_ALEN]; 147 __u8 mac_downstream_nbr[FDDI_K_ALEN]; 148 __u8 mac_old_upstream_nbr[FDDI_K_ALEN]; 149 __u8 mac_old_downstream_nbr[FDDI_K_ALEN]; 150 __u32 mac_dup_address_test; 151 __u32 mac_requested_paths; 152 __u32 mac_downstream_port_type; 153 __u8 mac_smt_address[FDDI_K_ALEN]; 154 __u32 mac_t_req; 155 __u32 mac_t_neg; 156 __u32 mac_t_max; 157 __u32 mac_tvx_value; 158 __u32 mac_frame_cts; 159 __u32 mac_copied_cts; 160 __u32 mac_transmit_cts; 161 __u32 mac_error_cts; 162 __u32 mac_lost_cts; 163 __u32 mac_frame_error_threshold; 164 __u32 mac_frame_error_ratio; 165 __u32 mac_rmt_state; 166 __u32 mac_da_flag; 167 __u32 mac_una_da_flag; 168 __u32 mac_frame_error_flag; 169 __u32 mac_ma_unitdata_available; 170 __u32 mac_hardware_present; 171 __u32 mac_ma_unitdata_enable; 172 __u32 path_tvx_lower_bound; 173 __u32 path_t_max_lower_bound; 174 __u32 path_max_t_req; 175 __u32 path_configuration[8]; 176 __u32 port_my_type[2]; 177 __u32 port_neighbor_type[2]; 178 __u32 port_connection_policies[2]; 179 __u32 port_mac_indicated[2]; 180 __u32 port_current_path[2]; 181 __u8 port_requested_paths[3*2]; 182 __u32 port_mac_placement[2]; 183 __u32 port_available_paths[2]; 184 __u32 port_pmd_class[2]; 185 __u32 port_connection_capabilities[2]; 186 __u32 port_bs_flag[2]; 187 __u32 port_lct_fail_cts[2]; 188 __u32 port_ler_estimate[2]; 189 __u32 port_lem_reject_cts[2]; 190 __u32 port_lem_cts[2]; 191 __u32 port_ler_cutoff[2]; 192 __u32 port_ler_alarm[2]; 193 __u32 port_connect_state[2]; 194 __u32 port_pcm_state[2]; 195 __u32 port_pc_withhold[2]; 196 __u32 port_ler_flag[2]; 197 __u32 port_hardware_present[2]; 198 }; 199#endif /* __KERNEL__ */ 200 201#endif /* _LINUX_IF_FDDI_H */ 202