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.
6 * Global definitions for the ANSI FDDI interface.
8 * Version: @(#)if_fddi.h 1.0.1 09/16/96
10 * Author: Lawrence V. Stefani, <stefani@lkg.dec.com>
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>
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.
24 #ifndef _LINUX_IF_FDDI_H
25 #define _LINUX_IF_FDDI_H
28 * Define max and min legal sizes. The frame sizes do not include
29 * 4 byte FCS/CRC (frame check sequence).
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 */
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
59 /* Define LLC and SNAP constants */
60 #define FDDI_EXTENDED_SAP 0xAA
61 #define FDDI_UI_CMD 0x03
63 /* Define 802.2 Type 1 header */
64 struct fddi_8022_1_hdr
66 __u8 dsap
; /* destination service access point */
67 __u8 ssap
; /* source service access point */
68 __u8 ctrl
; /* control byte #1 */
69 } __attribute__ ((packed
));
71 /* Define 802.2 Type 2 header */
72 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
));
80 /* Define 802.2 SNAP header */
81 #define FDDI_K_OUI_LEN 3
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
));
91 /* Define FDDI LLC frame header */
94 __u8 fc
; /* frame control */
95 __u8 daddr
[FDDI_K_ALEN
]; /* destination address */
96 __u8 saddr
[FDDI_K_ALEN
]; /* source address */
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
;
103 } __attribute__ ((packed
));
105 /* Define FDDI statistics structure */
106 struct fddi_statistics
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 */
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 */
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
;
138 /* Detailed FDDI statistics. Adopted from RFC 1512 */
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
;
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
;
154 __u32 smt_stat_rpt_policy
;
155 __u32 smt_trace_max_expiration
;
156 __u32 smt_bypass_present
;
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
];
182 __u32 mac_copied_cts
;
183 __u32 mac_transmit_cts
;
186 __u32 mac_frame_error_threshold
;
187 __u32 mac_frame_error_ratio
;
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];
223 #endif /* _LINUX_IF_FDDI_H */