summaryrefslogtreecommitdiffstats
path: root/include/linux/if_fddi.h
blob: ae77daed6c2feb8e1b2b41a0b1b66e03d6cd9327 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/*
 * 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

#include <linux/types.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__
#include <linux/netdevice.h>

/* 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 */