include/linux/if_fddi.h

   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   1.0.1   09/16/96
   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 */
  64 struct 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 */
  72 struct 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
  82 struct 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         __u16   ethertype;                              /* packet type ID field */
  89         } __attribute__ ((packed));
  90
  91 /* Define FDDI LLC frame header */
  92 struct 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 /* Define FDDI statistics structure */
 106 struct fddi_statistics
 107         {
 108         __u32   rx_packets;                             /* total packets received */
 109         __u32   tx_packets;                             /* total packets transmitted */
 110         __u32   rx_bytes;                               /* total bytes received */
 111         __u32   tx_bytes;                               /* total bytes transmitted */
 112         __u32   rx_errors;                              /* bad packets received */
 113         __u32   tx_errors;                              /* packet transmit problems     */
 114         __u32   rx_dropped;                             /* no space in linux buffers */
 115         __u32   tx_dropped;                             /* no space available in linux */
 116         __u32   multicast;                              /* multicast packets received */
 117         __u32   transmit_collision;             /* always 0 for FDDI */
 118
 119         /* detailed rx_errors */
 120         __u32   rx_length_errors;
 121         __u32   rx_over_errors;         /* receiver ring buff overflow  */
 122         __u32   rx_crc_errors;          /* recved pkt with crc error    */
 123         __u32   rx_frame_errors;        /* recv'd frame alignment error */
 124         __u32   rx_fifo_errors;         /* recv'r fifo overrun          */
 125         __u32   rx_missed_errors;       /* receiver missed packet       */
 126
 127         /* detailed tx_errors */
 128         __u32   tx_aborted_errors;
 129         __u32   tx_carrier_errors;
 130         __u32   tx_fifo_errors;
 131         __u32   tx_heartbeat_errors;
 132         __u32   tx_window_errors;
 133
 134         /* for cslip etc */
 135         __u32   rx_compressed;
 136         __u32   tx_compressed;
 137
 138         /* Detailed FDDI statistics.  Adopted from RFC 1512 */
 139
 140         __u8    smt_station_id[8];
 141         __u32   smt_op_version_id;
 142         __u32   smt_hi_version_id;
 143         __u32   smt_lo_version_id;
 144         __u8    smt_user_data[32];
 145         __u32   smt_mib_version_id;
 146         __u32   smt_mac_cts;
 147         __u32   smt_non_master_cts;
 148         __u32   smt_master_cts;
 149         __u32   smt_available_paths;
 150         __u32   smt_config_capabilities;
 151         __u32   smt_config_policy;
 152         __u32   smt_connection_policy;
 153         __u32   smt_t_notify;
 154         __u32   smt_stat_rpt_policy;
 155         __u32   smt_trace_max_expiration;
 156         __u32   smt_bypass_present;
 157         __u32   smt_ecm_state;
 158         __u32   smt_cf_state;
 159         __u32   smt_remote_disconnect_flag;
 160         __u32   smt_station_status;
 161         __u32   smt_peer_wrap_flag;
 162         __u32   smt_time_stamp;
 163         __u32   smt_transition_time_stamp;
 164         __u32   mac_frame_status_functions;
 165         __u32   mac_t_max_capability;
 166         __u32   mac_tvx_capability;
 167         __u32   mac_available_paths;
 168         __u32   mac_current_path;
 169         __u8    mac_upstream_nbr[FDDI_K_ALEN];
 170         __u8    mac_downstream_nbr[FDDI_K_ALEN];
 171         __u8    mac_old_upstream_nbr[FDDI_K_ALEN];
 172         __u8    mac_old_downstream_nbr[FDDI_K_ALEN];
 173         __u32   mac_dup_address_test;
 174         __u32   mac_requested_paths;
 175         __u32   mac_downstream_port_type;
 176         __u8    mac_smt_address[FDDI_K_ALEN];
 177         __u32   mac_t_req;
 178         __u32   mac_t_neg;
 179         __u32   mac_t_max;
 180         __u32   mac_tvx_value;
 181         __u32   mac_frame_cts;
 182         __u32   mac_copied_cts;
 183         __u32   mac_transmit_cts;
 184         __u32   mac_error_cts;
 185         __u32   mac_lost_cts;
 186         __u32   mac_frame_error_threshold;
 187         __u32   mac_frame_error_ratio;
 188         __u32   mac_rmt_state;
 189         __u32   mac_da_flag;
 190         __u32   mac_una_da_flag;
 191         __u32   mac_frame_error_flag;
 192         __u32   mac_ma_unitdata_available;
 193         __u32   mac_hardware_present;
 194         __u32   mac_ma_unitdata_enable;
 195         __u32   path_tvx_lower_bound;
 196         __u32   path_t_max_lower_bound;
 197         __u32   path_max_t_req;
 198         __u32   path_configuration[8];
 199         __u32   port_my_type[2];
 200         __u32   port_neighbor_type[2];
 201         __u32   port_connection_policies[2];
 202         __u32   port_mac_indicated[2];
 203         __u32   port_current_path[2];
 204         __u8    port_requested_paths[3*2];
 205         __u32   port_mac_placement[2];
 206         __u32   port_available_paths[2];
 207         __u32   port_pmd_class[2];
 208         __u32   port_connection_capabilities[2];
 209         __u32   port_bs_flag[2];
 210         __u32   port_lct_fail_cts[2];
 211         __u32   port_ler_estimate[2];
 212         __u32   port_lem_reject_cts[2];
 213         __u32   port_lem_cts[2];
 214         __u32   port_ler_cutoff[2];
 215         __u32   port_ler_alarm[2];
 216         __u32   port_connect_state[2];
 217         __u32   port_pcm_state[2];
 218         __u32   port_pc_withhold[2];
 219         __u32   port_ler_flag[2];
 220         __u32   port_hardware_present[2];
 221         };
 222
 223 #endif  /* _LINUX_IF_FDDI_H */