198 строки
6.0 KiB
C
198 строки
6.0 KiB
C
/*
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* INET An implementation of the TCP/IP protocol suite for the LINUX
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* operating system. INET is implemented using the BSD Socket
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* interface as the means of communication with the user level.
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*
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* Global definitions for the ANSI FDDI interface.
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*
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* Version: @(#)if_fddi.h 1.0.2 Sep 29 2004
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*
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* Author: Lawrence V. Stefani, <stefani@lkg.dec.com>
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*
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* if_fddi.h is based on previous if_ether.h and if_tr.h work by
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* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
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* Donald Becker, <becker@super.org>
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* Alan Cox, <alan@redhat.com>
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* Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
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* Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#ifndef _LINUX_IF_FDDI_H
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#define _LINUX_IF_FDDI_H
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/*
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* Define max and min legal sizes. The frame sizes do not include
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* 4 byte FCS/CRC (frame check sequence).
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*/
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#define FDDI_K_ALEN 6 /* Octets in one FDDI address */
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#define FDDI_K_8022_HLEN 16 /* Total octets in 802.2 header */
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#define FDDI_K_SNAP_HLEN 21 /* Total octets in 802.2 SNAP header */
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#define FDDI_K_8022_ZLEN 16 /* Min octets in 802.2 frame sans FCS */
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#define FDDI_K_SNAP_ZLEN 21 /* Min octets in 802.2 SNAP frame sans FCS */
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#define FDDI_K_8022_DLEN 4475 /* Max octets in 802.2 payload */
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#define FDDI_K_SNAP_DLEN 4470 /* Max octets in 802.2 SNAP payload */
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#define FDDI_K_LLC_ZLEN 13 /* Min octets in LLC frame sans FCS */
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#define FDDI_K_LLC_LEN 4491 /* Max octets in LLC frame sans FCS */
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/* Define FDDI Frame Control (FC) Byte values */
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#define FDDI_FC_K_VOID 0x00
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#define FDDI_FC_K_NON_RESTRICTED_TOKEN 0x80
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#define FDDI_FC_K_RESTRICTED_TOKEN 0xC0
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#define FDDI_FC_K_SMT_MIN 0x41
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#define FDDI_FC_K_SMT_MAX 0x4F
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#define FDDI_FC_K_MAC_MIN 0xC1
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#define FDDI_FC_K_MAC_MAX 0xCF
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#define FDDI_FC_K_ASYNC_LLC_MIN 0x50
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#define FDDI_FC_K_ASYNC_LLC_DEF 0x54
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#define FDDI_FC_K_ASYNC_LLC_MAX 0x5F
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#define FDDI_FC_K_SYNC_LLC_MIN 0xD0
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#define FDDI_FC_K_SYNC_LLC_MAX 0xD7
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#define FDDI_FC_K_IMPLEMENTOR_MIN 0x60
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#define FDDI_FC_K_IMPLEMENTOR_MAX 0x6F
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#define FDDI_FC_K_RESERVED_MIN 0x70
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#define FDDI_FC_K_RESERVED_MAX 0x7F
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/* Define LLC and SNAP constants */
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#define FDDI_EXTENDED_SAP 0xAA
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#define FDDI_UI_CMD 0x03
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/* Define 802.2 Type 1 header */
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struct fddi_8022_1_hdr
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{
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__u8 dsap; /* destination service access point */
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__u8 ssap; /* source service access point */
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__u8 ctrl; /* control byte #1 */
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} __attribute__ ((packed));
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/* Define 802.2 Type 2 header */
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struct fddi_8022_2_hdr
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{
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__u8 dsap; /* destination service access point */
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__u8 ssap; /* source service access point */
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__u8 ctrl_1; /* control byte #1 */
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__u8 ctrl_2; /* control byte #2 */
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} __attribute__ ((packed));
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/* Define 802.2 SNAP header */
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#define FDDI_K_OUI_LEN 3
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struct fddi_snap_hdr
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{
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__u8 dsap; /* always 0xAA */
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__u8 ssap; /* always 0xAA */
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__u8 ctrl; /* always 0x03 */
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__u8 oui[FDDI_K_OUI_LEN]; /* organizational universal id */
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__u16 ethertype; /* packet type ID field */
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} __attribute__ ((packed));
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/* Define FDDI LLC frame header */
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struct fddihdr
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{
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__u8 fc; /* frame control */
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__u8 daddr[FDDI_K_ALEN]; /* destination address */
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__u8 saddr[FDDI_K_ALEN]; /* source address */
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union
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{
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struct fddi_8022_1_hdr llc_8022_1;
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struct fddi_8022_2_hdr llc_8022_2;
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struct fddi_snap_hdr llc_snap;
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} hdr;
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} __attribute__ ((packed));
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/* Define FDDI statistics structure */
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struct fddi_statistics {
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/* Generic statistics. */
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struct net_device_stats gen;
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/* Detailed FDDI statistics. Adopted from RFC 1512 */
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__u8 smt_station_id[8];
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__u32 smt_op_version_id;
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__u32 smt_hi_version_id;
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__u32 smt_lo_version_id;
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__u8 smt_user_data[32];
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__u32 smt_mib_version_id;
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__u32 smt_mac_cts;
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__u32 smt_non_master_cts;
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__u32 smt_master_cts;
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__u32 smt_available_paths;
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__u32 smt_config_capabilities;
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__u32 smt_config_policy;
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__u32 smt_connection_policy;
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__u32 smt_t_notify;
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__u32 smt_stat_rpt_policy;
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__u32 smt_trace_max_expiration;
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__u32 smt_bypass_present;
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__u32 smt_ecm_state;
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__u32 smt_cf_state;
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__u32 smt_remote_disconnect_flag;
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__u32 smt_station_status;
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__u32 smt_peer_wrap_flag;
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__u32 smt_time_stamp;
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__u32 smt_transition_time_stamp;
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__u32 mac_frame_status_functions;
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__u32 mac_t_max_capability;
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__u32 mac_tvx_capability;
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__u32 mac_available_paths;
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__u32 mac_current_path;
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__u8 mac_upstream_nbr[FDDI_K_ALEN];
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__u8 mac_downstream_nbr[FDDI_K_ALEN];
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__u8 mac_old_upstream_nbr[FDDI_K_ALEN];
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__u8 mac_old_downstream_nbr[FDDI_K_ALEN];
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__u32 mac_dup_address_test;
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__u32 mac_requested_paths;
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__u32 mac_downstream_port_type;
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__u8 mac_smt_address[FDDI_K_ALEN];
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__u32 mac_t_req;
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__u32 mac_t_neg;
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__u32 mac_t_max;
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__u32 mac_tvx_value;
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__u32 mac_frame_cts;
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__u32 mac_copied_cts;
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__u32 mac_transmit_cts;
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__u32 mac_error_cts;
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__u32 mac_lost_cts;
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__u32 mac_frame_error_threshold;
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__u32 mac_frame_error_ratio;
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__u32 mac_rmt_state;
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__u32 mac_da_flag;
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__u32 mac_una_da_flag;
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__u32 mac_frame_error_flag;
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__u32 mac_ma_unitdata_available;
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__u32 mac_hardware_present;
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__u32 mac_ma_unitdata_enable;
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__u32 path_tvx_lower_bound;
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__u32 path_t_max_lower_bound;
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__u32 path_max_t_req;
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__u32 path_configuration[8];
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__u32 port_my_type[2];
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__u32 port_neighbor_type[2];
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__u32 port_connection_policies[2];
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__u32 port_mac_indicated[2];
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__u32 port_current_path[2];
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__u8 port_requested_paths[3*2];
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__u32 port_mac_placement[2];
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__u32 port_available_paths[2];
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__u32 port_pmd_class[2];
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__u32 port_connection_capabilities[2];
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__u32 port_bs_flag[2];
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__u32 port_lct_fail_cts[2];
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__u32 port_ler_estimate[2];
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__u32 port_lem_reject_cts[2];
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__u32 port_lem_cts[2];
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__u32 port_ler_cutoff[2];
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__u32 port_ler_alarm[2];
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__u32 port_connect_state[2];
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__u32 port_pcm_state[2];
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__u32 port_pc_withhold[2];
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__u32 port_ler_flag[2];
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__u32 port_hardware_present[2];
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};
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#endif /* _LINUX_IF_FDDI_H */
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