Root/
1 | /* |
2 | * Declarations of Rose type objects. |
3 | * |
4 | * Jonathan Naylor G4KLX 25/8/96 |
5 | */ |
6 | |
7 | #ifndef _ROSE_H |
8 | #define _ROSE_H |
9 | |
10 | #include <linux/rose.h> |
11 | #include <net/sock.h> |
12 | |
13 | #define ROSE_ADDR_LEN 5 |
14 | |
15 | #define ROSE_MIN_LEN 3 |
16 | |
17 | #define ROSE_GFI 0x10 |
18 | #define ROSE_Q_BIT 0x80 |
19 | #define ROSE_D_BIT 0x40 |
20 | #define ROSE_M_BIT 0x10 |
21 | |
22 | #define ROSE_CALL_REQUEST 0x0B |
23 | #define ROSE_CALL_ACCEPTED 0x0F |
24 | #define ROSE_CLEAR_REQUEST 0x13 |
25 | #define ROSE_CLEAR_CONFIRMATION 0x17 |
26 | #define ROSE_DATA 0x00 |
27 | #define ROSE_INTERRUPT 0x23 |
28 | #define ROSE_INTERRUPT_CONFIRMATION 0x27 |
29 | #define ROSE_RR 0x01 |
30 | #define ROSE_RNR 0x05 |
31 | #define ROSE_REJ 0x09 |
32 | #define ROSE_RESET_REQUEST 0x1B |
33 | #define ROSE_RESET_CONFIRMATION 0x1F |
34 | #define ROSE_REGISTRATION_REQUEST 0xF3 |
35 | #define ROSE_REGISTRATION_CONFIRMATION 0xF7 |
36 | #define ROSE_RESTART_REQUEST 0xFB |
37 | #define ROSE_RESTART_CONFIRMATION 0xFF |
38 | #define ROSE_DIAGNOSTIC 0xF1 |
39 | #define ROSE_ILLEGAL 0xFD |
40 | |
41 | /* Define Link State constants. */ |
42 | |
43 | enum { |
44 | ROSE_STATE_0, /* Ready */ |
45 | ROSE_STATE_1, /* Awaiting Call Accepted */ |
46 | ROSE_STATE_2, /* Awaiting Clear Confirmation */ |
47 | ROSE_STATE_3, /* Data Transfer */ |
48 | ROSE_STATE_4, /* Awaiting Reset Confirmation */ |
49 | ROSE_STATE_5 /* Deferred Call Acceptance */ |
50 | }; |
51 | |
52 | #define ROSE_DEFAULT_T0 180000 /* Default T10 T20 value */ |
53 | #define ROSE_DEFAULT_T1 200000 /* Default T11 T21 value */ |
54 | #define ROSE_DEFAULT_T2 180000 /* Default T12 T22 value */ |
55 | #define ROSE_DEFAULT_T3 180000 /* Default T13 T23 value */ |
56 | #define ROSE_DEFAULT_HB 5000 /* Default Holdback value */ |
57 | #define ROSE_DEFAULT_IDLE 0 /* No Activity Timeout - none */ |
58 | #define ROSE_DEFAULT_ROUTING 1 /* Default routing flag */ |
59 | #define ROSE_DEFAULT_FAIL_TIMEOUT 120000 /* Time until link considered usable */ |
60 | #define ROSE_DEFAULT_MAXVC 50 /* Maximum number of VCs per neighbour */ |
61 | #define ROSE_DEFAULT_WINDOW_SIZE 7 /* Default window size */ |
62 | |
63 | #define ROSE_MODULUS 8 |
64 | #define ROSE_MAX_PACKET_SIZE 251 /* Maximum packet size */ |
65 | |
66 | #define ROSE_COND_ACK_PENDING 0x01 |
67 | #define ROSE_COND_PEER_RX_BUSY 0x02 |
68 | #define ROSE_COND_OWN_RX_BUSY 0x04 |
69 | |
70 | #define FAC_NATIONAL 0x00 |
71 | #define FAC_CCITT 0x0F |
72 | |
73 | #define FAC_NATIONAL_RAND 0x7F |
74 | #define FAC_NATIONAL_FLAGS 0x3F |
75 | #define FAC_NATIONAL_DEST_DIGI 0xE9 |
76 | #define FAC_NATIONAL_SRC_DIGI 0xEB |
77 | #define FAC_NATIONAL_FAIL_CALL 0xED |
78 | #define FAC_NATIONAL_FAIL_ADD 0xEE |
79 | #define FAC_NATIONAL_DIGIS 0xEF |
80 | |
81 | #define FAC_CCITT_DEST_NSAP 0xC9 |
82 | #define FAC_CCITT_SRC_NSAP 0xCB |
83 | |
84 | struct rose_neigh { |
85 | struct rose_neigh *next; |
86 | ax25_address callsign; |
87 | ax25_digi *digipeat; |
88 | ax25_cb *ax25; |
89 | struct net_device *dev; |
90 | unsigned short count; |
91 | unsigned short use; |
92 | unsigned int number; |
93 | char restarted; |
94 | char dce_mode; |
95 | char loopback; |
96 | struct sk_buff_head queue; |
97 | struct timer_list t0timer; |
98 | struct timer_list ftimer; |
99 | }; |
100 | |
101 | struct rose_node { |
102 | struct rose_node *next; |
103 | rose_address address; |
104 | unsigned short mask; |
105 | unsigned char count; |
106 | char loopback; |
107 | struct rose_neigh *neighbour[3]; |
108 | }; |
109 | |
110 | struct rose_route { |
111 | struct rose_route *next; |
112 | unsigned int lci1, lci2; |
113 | rose_address src_addr, dest_addr; |
114 | ax25_address src_call, dest_call; |
115 | struct rose_neigh *neigh1, *neigh2; |
116 | unsigned int rand; |
117 | }; |
118 | |
119 | struct rose_sock { |
120 | struct sock sock; |
121 | rose_address source_addr, dest_addr; |
122 | ax25_address source_call, dest_call; |
123 | unsigned char source_ndigis, dest_ndigis; |
124 | ax25_address source_digis[ROSE_MAX_DIGIS]; |
125 | ax25_address dest_digis[ROSE_MAX_DIGIS]; |
126 | struct rose_neigh *neighbour; |
127 | struct net_device *device; |
128 | unsigned int lci, rand; |
129 | unsigned char state, condition, qbitincl, defer; |
130 | unsigned char cause, diagnostic; |
131 | unsigned short vs, vr, va, vl; |
132 | unsigned long t1, t2, t3, hb, idle; |
133 | #ifdef M_BIT |
134 | unsigned short fraglen; |
135 | struct sk_buff_head frag_queue; |
136 | #endif |
137 | struct sk_buff_head ack_queue; |
138 | struct rose_facilities_struct facilities; |
139 | struct timer_list timer; |
140 | struct timer_list idletimer; |
141 | }; |
142 | |
143 | #define rose_sk(sk) ((struct rose_sock *)(sk)) |
144 | |
145 | /* af_rose.c */ |
146 | extern ax25_address rose_callsign; |
147 | extern int sysctl_rose_restart_request_timeout; |
148 | extern int sysctl_rose_call_request_timeout; |
149 | extern int sysctl_rose_reset_request_timeout; |
150 | extern int sysctl_rose_clear_request_timeout; |
151 | extern int sysctl_rose_no_activity_timeout; |
152 | extern int sysctl_rose_ack_hold_back_timeout; |
153 | extern int sysctl_rose_routing_control; |
154 | extern int sysctl_rose_link_fail_timeout; |
155 | extern int sysctl_rose_maximum_vcs; |
156 | extern int sysctl_rose_window_size; |
157 | extern int rosecmp(rose_address *, rose_address *); |
158 | extern int rosecmpm(rose_address *, rose_address *, unsigned short); |
159 | extern char *rose2asc(char *buf, const rose_address *); |
160 | extern struct sock *rose_find_socket(unsigned int, struct rose_neigh *); |
161 | extern void rose_kill_by_neigh(struct rose_neigh *); |
162 | extern unsigned int rose_new_lci(struct rose_neigh *); |
163 | extern int rose_rx_call_request(struct sk_buff *, struct net_device *, struct rose_neigh *, unsigned int); |
164 | extern void rose_destroy_socket(struct sock *); |
165 | |
166 | /* rose_dev.c */ |
167 | extern void rose_setup(struct net_device *); |
168 | |
169 | /* rose_in.c */ |
170 | extern int rose_process_rx_frame(struct sock *, struct sk_buff *); |
171 | |
172 | /* rose_link.c */ |
173 | extern void rose_start_ftimer(struct rose_neigh *); |
174 | extern void rose_stop_ftimer(struct rose_neigh *); |
175 | extern void rose_stop_t0timer(struct rose_neigh *); |
176 | extern int rose_ftimer_running(struct rose_neigh *); |
177 | extern void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *, unsigned short); |
178 | extern void rose_transmit_clear_request(struct rose_neigh *, unsigned int, unsigned char, unsigned char); |
179 | extern void rose_transmit_link(struct sk_buff *, struct rose_neigh *); |
180 | |
181 | /* rose_loopback.c */ |
182 | extern void rose_loopback_init(void); |
183 | extern void rose_loopback_clear(void); |
184 | extern int rose_loopback_queue(struct sk_buff *, struct rose_neigh *); |
185 | |
186 | /* rose_out.c */ |
187 | extern void rose_kick(struct sock *); |
188 | extern void rose_enquiry_response(struct sock *); |
189 | |
190 | /* rose_route.c */ |
191 | extern struct rose_neigh *rose_loopback_neigh; |
192 | extern const struct file_operations rose_neigh_fops; |
193 | extern const struct file_operations rose_nodes_fops; |
194 | extern const struct file_operations rose_routes_fops; |
195 | |
196 | extern void rose_add_loopback_neigh(void); |
197 | extern int __must_check rose_add_loopback_node(rose_address *); |
198 | extern void rose_del_loopback_node(rose_address *); |
199 | extern void rose_rt_device_down(struct net_device *); |
200 | extern void rose_link_device_down(struct net_device *); |
201 | extern struct net_device *rose_dev_first(void); |
202 | extern struct net_device *rose_dev_get(rose_address *); |
203 | extern struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *); |
204 | extern struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *, unsigned char *, int); |
205 | extern int rose_rt_ioctl(unsigned int, void __user *); |
206 | extern void rose_link_failed(ax25_cb *, int); |
207 | extern int rose_route_frame(struct sk_buff *, ax25_cb *); |
208 | extern void rose_rt_free(void); |
209 | |
210 | /* rose_subr.c */ |
211 | extern void rose_clear_queues(struct sock *); |
212 | extern void rose_frames_acked(struct sock *, unsigned short); |
213 | extern void rose_requeue_frames(struct sock *); |
214 | extern int rose_validate_nr(struct sock *, unsigned short); |
215 | extern void rose_write_internal(struct sock *, int); |
216 | extern int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *); |
217 | extern int rose_parse_facilities(unsigned char *, struct rose_facilities_struct *); |
218 | extern void rose_disconnect(struct sock *, int, int, int); |
219 | |
220 | /* rose_timer.c */ |
221 | extern void rose_start_heartbeat(struct sock *); |
222 | extern void rose_start_t1timer(struct sock *); |
223 | extern void rose_start_t2timer(struct sock *); |
224 | extern void rose_start_t3timer(struct sock *); |
225 | extern void rose_start_hbtimer(struct sock *); |
226 | extern void rose_start_idletimer(struct sock *); |
227 | extern void rose_stop_heartbeat(struct sock *); |
228 | extern void rose_stop_timer(struct sock *); |
229 | extern void rose_stop_idletimer(struct sock *); |
230 | |
231 | /* sysctl_net_rose.c */ |
232 | extern void rose_register_sysctl(void); |
233 | extern void rose_unregister_sysctl(void); |
234 | |
235 | #endif |
236 |
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