]> git.kernelconcepts.de Git - karo-tx-linux.git/blob - include/net/rose.h
Merge tag 'ntb-3.13' of git://github.com/jonmason/ntb
[karo-tx-linux.git] / include / net / rose.h
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_CALL_REQ_ADDR_LEN_OFF      3
18 #define ROSE_CALL_REQ_ADDR_LEN_VAL      0xAA    /* each address is 10 digits */
19 #define ROSE_CALL_REQ_DEST_ADDR_OFF     4
20 #define ROSE_CALL_REQ_SRC_ADDR_OFF      9
21 #define ROSE_CALL_REQ_FACILITIES_OFF    14
22
23 #define ROSE_GFI                        0x10
24 #define ROSE_Q_BIT                      0x80
25 #define ROSE_D_BIT                      0x40
26 #define ROSE_M_BIT                      0x10
27
28 #define ROSE_CALL_REQUEST               0x0B
29 #define ROSE_CALL_ACCEPTED              0x0F
30 #define ROSE_CLEAR_REQUEST              0x13
31 #define ROSE_CLEAR_CONFIRMATION         0x17
32 #define ROSE_DATA                       0x00
33 #define ROSE_INTERRUPT                  0x23
34 #define ROSE_INTERRUPT_CONFIRMATION     0x27
35 #define ROSE_RR                         0x01
36 #define ROSE_RNR                        0x05
37 #define ROSE_REJ                        0x09
38 #define ROSE_RESET_REQUEST              0x1B
39 #define ROSE_RESET_CONFIRMATION         0x1F
40 #define ROSE_REGISTRATION_REQUEST       0xF3
41 #define ROSE_REGISTRATION_CONFIRMATION  0xF7
42 #define ROSE_RESTART_REQUEST            0xFB
43 #define ROSE_RESTART_CONFIRMATION       0xFF
44 #define ROSE_DIAGNOSTIC                 0xF1
45 #define ROSE_ILLEGAL                    0xFD
46
47 /* Define Link State constants. */
48
49 enum {
50         ROSE_STATE_0,                   /* Ready */
51         ROSE_STATE_1,                   /* Awaiting Call Accepted */
52         ROSE_STATE_2,                   /* Awaiting Clear Confirmation */
53         ROSE_STATE_3,                   /* Data Transfer */
54         ROSE_STATE_4,                   /* Awaiting Reset Confirmation */
55         ROSE_STATE_5                    /* Deferred Call Acceptance */
56 };
57
58 #define ROSE_DEFAULT_T0                 180000          /* Default T10 T20 value */
59 #define ROSE_DEFAULT_T1                 200000          /* Default T11 T21 value */
60 #define ROSE_DEFAULT_T2                 180000          /* Default T12 T22 value */
61 #define ROSE_DEFAULT_T3                 180000          /* Default T13 T23 value */
62 #define ROSE_DEFAULT_HB                 5000            /* Default Holdback value */
63 #define ROSE_DEFAULT_IDLE               0               /* No Activity Timeout - none */
64 #define ROSE_DEFAULT_ROUTING            1               /* Default routing flag */
65 #define ROSE_DEFAULT_FAIL_TIMEOUT       120000          /* Time until link considered usable */
66 #define ROSE_DEFAULT_MAXVC              50              /* Maximum number of VCs per neighbour */
67 #define ROSE_DEFAULT_WINDOW_SIZE        7               /* Default window size */
68
69 #define ROSE_MODULUS                    8
70 #define ROSE_MAX_PACKET_SIZE            251             /* Maximum packet size */
71
72 #define ROSE_COND_ACK_PENDING           0x01
73 #define ROSE_COND_PEER_RX_BUSY          0x02
74 #define ROSE_COND_OWN_RX_BUSY           0x04
75
76 #define FAC_NATIONAL                    0x00
77 #define FAC_CCITT                       0x0F
78
79 #define FAC_NATIONAL_RAND               0x7F
80 #define FAC_NATIONAL_FLAGS              0x3F
81 #define FAC_NATIONAL_DEST_DIGI          0xE9
82 #define FAC_NATIONAL_SRC_DIGI           0xEB
83 #define FAC_NATIONAL_FAIL_CALL          0xED
84 #define FAC_NATIONAL_FAIL_ADD           0xEE
85 #define FAC_NATIONAL_DIGIS                      0xEF
86
87 #define FAC_CCITT_DEST_NSAP             0xC9
88 #define FAC_CCITT_SRC_NSAP              0xCB
89
90 struct rose_neigh {
91         struct rose_neigh       *next;
92         ax25_address            callsign;
93         ax25_digi               *digipeat;
94         ax25_cb                 *ax25;
95         struct net_device               *dev;
96         unsigned short          count;
97         unsigned short          use;
98         unsigned int            number;
99         char                    restarted;
100         char                    dce_mode;
101         char                    loopback;
102         struct sk_buff_head     queue;
103         struct timer_list       t0timer;
104         struct timer_list       ftimer;
105 };
106
107 struct rose_node {
108         struct rose_node        *next;
109         rose_address            address;
110         unsigned short          mask;
111         unsigned char           count;
112         char                    loopback;
113         struct rose_neigh       *neighbour[3];
114 };
115
116 struct rose_route {
117         struct rose_route       *next;
118         unsigned int            lci1, lci2;
119         rose_address            src_addr, dest_addr;
120         ax25_address            src_call, dest_call;
121         struct rose_neigh       *neigh1, *neigh2;
122         unsigned int            rand;
123 };
124
125 struct rose_sock {
126         struct sock             sock;
127         rose_address            source_addr,   dest_addr;
128         ax25_address            source_call,   dest_call;
129         unsigned char           source_ndigis, dest_ndigis;
130         ax25_address            source_digis[ROSE_MAX_DIGIS];
131         ax25_address            dest_digis[ROSE_MAX_DIGIS];
132         struct rose_neigh       *neighbour;
133         struct net_device               *device;
134         unsigned int            lci, rand;
135         unsigned char           state, condition, qbitincl, defer;
136         unsigned char           cause, diagnostic;
137         unsigned short          vs, vr, va, vl;
138         unsigned long           t1, t2, t3, hb, idle;
139 #ifdef M_BIT
140         unsigned short          fraglen;
141         struct sk_buff_head     frag_queue;
142 #endif
143         struct sk_buff_head     ack_queue;
144         struct rose_facilities_struct facilities;
145         struct timer_list       timer;
146         struct timer_list       idletimer;
147 };
148
149 #define rose_sk(sk) ((struct rose_sock *)(sk))
150
151 /* af_rose.c */
152 extern ax25_address rose_callsign;
153 extern int  sysctl_rose_restart_request_timeout;
154 extern int  sysctl_rose_call_request_timeout;
155 extern int  sysctl_rose_reset_request_timeout;
156 extern int  sysctl_rose_clear_request_timeout;
157 extern int  sysctl_rose_no_activity_timeout;
158 extern int  sysctl_rose_ack_hold_back_timeout;
159 extern int  sysctl_rose_routing_control;
160 extern int  sysctl_rose_link_fail_timeout;
161 extern int  sysctl_rose_maximum_vcs;
162 extern int  sysctl_rose_window_size;
163
164 int rosecmp(rose_address *, rose_address *);
165 int rosecmpm(rose_address *, rose_address *, unsigned short);
166 char *rose2asc(char *buf, const rose_address *);
167 struct sock *rose_find_socket(unsigned int, struct rose_neigh *);
168 void rose_kill_by_neigh(struct rose_neigh *);
169 unsigned int rose_new_lci(struct rose_neigh *);
170 int rose_rx_call_request(struct sk_buff *, struct net_device *,
171                          struct rose_neigh *, unsigned int);
172 void rose_destroy_socket(struct sock *);
173
174 /* rose_dev.c */
175 void rose_setup(struct net_device *);
176
177 /* rose_in.c */
178 int rose_process_rx_frame(struct sock *, struct sk_buff *);
179
180 /* rose_link.c */
181 void rose_start_ftimer(struct rose_neigh *);
182 void rose_stop_ftimer(struct rose_neigh *);
183 void rose_stop_t0timer(struct rose_neigh *);
184 int rose_ftimer_running(struct rose_neigh *);
185 void rose_link_rx_restart(struct sk_buff *, struct rose_neigh *,
186                           unsigned short);
187 void rose_transmit_clear_request(struct rose_neigh *, unsigned int,
188                                  unsigned char, unsigned char);
189 void rose_transmit_link(struct sk_buff *, struct rose_neigh *);
190
191 /* rose_loopback.c */
192 void rose_loopback_init(void);
193 void rose_loopback_clear(void);
194 int rose_loopback_queue(struct sk_buff *, struct rose_neigh *);
195
196 /* rose_out.c */
197 void rose_kick(struct sock *);
198 void rose_enquiry_response(struct sock *);
199
200 /* rose_route.c */
201 extern struct rose_neigh *rose_loopback_neigh;
202 extern const struct file_operations rose_neigh_fops;
203 extern const struct file_operations rose_nodes_fops;
204 extern const struct file_operations rose_routes_fops;
205
206 void rose_add_loopback_neigh(void);
207 int __must_check rose_add_loopback_node(rose_address *);
208 void rose_del_loopback_node(rose_address *);
209 void rose_rt_device_down(struct net_device *);
210 void rose_link_device_down(struct net_device *);
211 struct net_device *rose_dev_first(void);
212 struct net_device *rose_dev_get(rose_address *);
213 struct rose_route *rose_route_free_lci(unsigned int, struct rose_neigh *);
214 struct rose_neigh *rose_get_neigh(rose_address *, unsigned char *,
215                                   unsigned char *, int);
216 int rose_rt_ioctl(unsigned int, void __user *);
217 void rose_link_failed(ax25_cb *, int);
218 int rose_route_frame(struct sk_buff *, ax25_cb *);
219 void rose_rt_free(void);
220
221 /* rose_subr.c */
222 void rose_clear_queues(struct sock *);
223 void rose_frames_acked(struct sock *, unsigned short);
224 void rose_requeue_frames(struct sock *);
225 int rose_validate_nr(struct sock *, unsigned short);
226 void rose_write_internal(struct sock *, int);
227 int rose_decode(struct sk_buff *, int *, int *, int *, int *, int *);
228 int rose_parse_facilities(unsigned char *, unsigned int,
229                           struct rose_facilities_struct *);
230 void rose_disconnect(struct sock *, int, int, int);
231
232 /* rose_timer.c */
233 void rose_start_heartbeat(struct sock *);
234 void rose_start_t1timer(struct sock *);
235 void rose_start_t2timer(struct sock *);
236 void rose_start_t3timer(struct sock *);
237 void rose_start_hbtimer(struct sock *);
238 void rose_start_idletimer(struct sock *);
239 void rose_stop_heartbeat(struct sock *);
240 void rose_stop_timer(struct sock *);
241 void rose_stop_idletimer(struct sock *);
242
243 /* sysctl_net_rose.c */
244 void rose_register_sysctl(void);
245 void rose_unregister_sysctl(void);
246
247 #endif