/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Global definitions for the ANSI FDDI interface.
*
* Version: @(#)if_fddi.h 1.0.2 Sep 29 2004
*
* Author: Lawrence V. Stefani, <stefani@lkg.dec.com>
*
* if_fddi.h is based on previous if_ether.h and if_tr.h work by
* Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
* Donald Becker, <becker@super.org>
* Alan Cox, <alan@redhat.com>
* Steve Whitehouse, <gw7rrm@eeshack3.swan.ac.uk>
* Peter De Schrijver, <stud11@cc4.kuleuven.ac.be>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _LINUX_IF_FDDI_H
#define _LINUX_IF_FDDI_H
/*
* Define max and min legal sizes. The frame sizes do not include
* 4 byte FCS/CRC (frame check sequence).
*/
#define FDDI_K_ALEN 6 /* Octets in one FDDI address */
#define FDDI_K_8022_HLEN 16 /* Total octets in 802.2 header */
#define FDDI_K_SNAP_HLEN 21 /* Total octets in 802.2 SNAP header */
#define FDDI_K_8022_ZLEN 16 /* Min octets in 802.2 frame sans FCS */
#define FDDI_K_SNAP_ZLEN 21 /* Min octets in 802.2 SNAP frame sans FCS */
#define FDDI_K_8022_DLEN 4475 /* Max octets in 802.2 payload */
#define FDDI_K_SNAP_DLEN 4470 /* Max octets in 802.2 SNAP payload */
#define FDDI_K_LLC_ZLEN 13 /* Min octets in LLC frame sans FCS */
#define FDDI_K_LLC_LEN 4491 /* Max octets in LLC frame sans FCS */
/* Define FDDI Frame Control (FC) Byte values */
#define FDDI_FC_K_VOID 0x00
#define FDDI_FC_K_NON_RESTRICTED_TOKEN 0x80
#define FDDI_FC_K_RESTRICTED_TOKEN 0xC0
#define FDDI_FC_K_SMT_MIN 0x41
#define FDDI_FC_K_SMT_MAX 0x4F
#define FDDI_FC_K_MAC_MIN 0xC1
#define FDDI_FC_K_MAC_MAX 0xCF
#define FDDI_FC_K_ASYNC_LLC_MIN 0x50
#define FDDI_FC_K_ASYNC_LLC_DEF 0x54
#define FDDI_FC_K_ASYNC_LLC_MAX 0x5F
#define FDDI_FC_K_SYNC_LLC_MIN 0xD0
#define FDDI_FC_K_SYNC_LLC_MAX 0xD7
#define FDDI_FC_K_IMPLEMENTOR_MIN 0x60
#define FDDI_FC_K_IMPLEMENTOR_MAX 0x6F
#define FDDI_FC_K_RESERVED_MIN 0x70
#define FDDI_FC_K_RESERVED_MAX 0x7F
/* Define LLC and SNAP constants */
#define FDDI_EXTENDED_SAP 0xAA
#define FDDI_UI_CMD 0x03
/* Define 802.2 Type 1 header */
struct fddi_8022_1_hdr
{
__u8 dsap; /* destination service access point */
__u8 ssap; /* source service access point */
__u8 ctrl; /* control byte #1 */
} __attribute__ ((packed));
/* Define 802.2 Type 2 header */
struct fddi_8022_2_hdr
{
__u8 dsap; /* destination service access point */
__u8 ssap; /* source service access point */
__u8 ctrl_1; /* control byte #1 */
__u8 ctrl_2; /* control byte #2 */
} __attribute__ ((packed));
/* Define 802.2 SNAP header */
#define FDDI_K_OUI_LEN 3
struct fddi_snap_hdr
{
__u8 dsap; /* always 0xAA */
__u8 ssap; /* always 0xAA */
__u8 ctrl; /* always 0x03 */
__u8 oui[FDDI_K_OUI_LEN]; /* organizational universal id */
__be16 ethertype; /* packet type ID field */
} __attribute__ ((packed));
/* Define FDDI LLC frame header */
struct fddihdr
{
__u8 fc; /* frame control */
__u8 daddr[FDDI_K_ALEN]; /* destination address */
__u8 saddr[FDDI_K_ALEN]; /* source address */
union
{
struct fddi_8022_1_hdr llc_8022_1;
struct fddi_8022_2_hdr llc_8022_2;
struct fddi_snap_hdr llc_snap;
} hdr;
} __attribute__ ((packed));
#ifdef __KERNEL__
/* Define FDDI statistics structure */
struct fddi_statistics {
/* Generic statistics. */
struct net_device_stats gen;
/* Detailed FDDI statistics. Adopted from RFC 1512 */
__u8 smt_station_id[8];
__u32 smt_op_version_id;
__u32 smt_hi_version_id;
__u32 smt_lo_version_id;
__u8 smt_user_data[32];
__u32 smt_mib_version_id;
__u32 smt_mac_cts;
__u32 smt_non_master_cts;
__u32 smt_master_cts;
__u32 smt_available_paths;
__u32 smt_config_capabilities;
__u32 smt_config_policy;
__u32 smt_connection_policy;
__u32 smt_t_notify;
__u32 smt_stat_rpt_policy;
__u32 smt_trace_max_expiration;
__u32 smt_bypass_present;
__u32 smt_ecm_state;
__u32 smt_cf_state;
__u32 smt_remote_disconnect_flag;
__u32 smt_station_status;
__u32 smt_peer_wrap_flag;
__u32 smt_time_stamp;
__u32 smt_transition_time_stamp;
__u32 mac_frame_status_functions;
__u32 mac_t_max_capability;
__u32 mac_tvx_capability;
__u32 mac_available_paths;
__u32 mac_current_path;
__u8 mac_upstream_nbr[FDDI_K_ALEN];
__u8 mac_downstream_nbr[FDDI_K_ALEN];
__u8 mac_old_upstream_nbr[FDDI_K_ALEN];
__u8 mac_old_downstream_nbr[FDDI_K_ALEN];
__u32 mac_dup_address_test;
__u32 mac_requested_paths;
__u32 mac_downstream_port_type;
__u8 mac_smt_address[FDDI_K_ALEN];
__u32 mac_t_req;
__u32 mac_t_neg;
__u32 mac_t_max;
__u32 mac_tvx_value;
__u32 mac_frame_cts;
__u32 mac_copied_cts;
__u32 mac_transmit_cts;
__u32 mac_error_cts;
__u32 mac_lost_cts;
__u32 mac_frame_error_threshold;
__u32 mac_frame_error_ratio;
__u32 mac_rmt_state;
__u32 mac_da_flag;
__u32 mac_una_da_flag;
__u32 mac_frame_error_flag;
__u32 mac_ma_unitdata_available;
__u32 mac_hardware_present;
__u32 mac_ma_unitdata_enable;
__u32 path_tvx_lower_bound;
__u32 path_t_max_lower_bound;
__u32 path_max_t_req;
__u32 path_configuration[8];
__u32 port_my_type[2];
__u32 port_neighbor_type[2];
__u32 port_connection_policies[2];
__u32 port_mac_indicated[2];
__u32 port_current_path[2];
__u8 port_requested_paths[3*2];
__u32 port_mac_placement[2];
__u32 port_available_paths[2];
__u32 port_pmd_class[2];
__u32 port_connection_capabilities[2];
__u32 port_bs_flag[2];
__u32 port_lct_fail_cts[2];
__u32 port_ler_estimate[2];
__u32 port_lem_reject_cts[2];
__u32 port_lem_cts[2];
__u32 port_ler_cutoff[2];
__u32 port_ler_alarm[2];
__u32 port_connect_state[2];
__u32 port_pcm_state[2];
__u32 port_pc_withhold[2];
__u32 port_ler_flag[2];
__u32 port_hardware_present[2];
};
#endif /* __KERNEL__ */
#endif /* _LINUX_IF_FDDI_H */