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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Declarations of AX.25 type objects. | |
3 | * | |
4 | * Alan Cox (GW4PTS) 10/11/93 | |
5 | */ | |
6 | #ifndef _AX25_H | |
7 | #define _AX25_H | |
8 | ||
1da177e4 LT |
9 | #include <linux/ax25.h> |
10 | #include <linux/spinlock.h> | |
11 | #include <linux/timer.h> | |
12 | #include <linux/list.h> | |
13 | #include <asm/atomic.h> | |
14 | ||
15 | #define AX25_T1CLAMPLO 1 | |
16 | #define AX25_T1CLAMPHI (30 * HZ) | |
17 | ||
18 | #define AX25_BPQ_HEADER_LEN 16 | |
19 | #define AX25_KISS_HEADER_LEN 1 | |
20 | ||
21 | #define AX25_HEADER_LEN 17 | |
22 | #define AX25_ADDR_LEN 7 | |
23 | #define AX25_DIGI_HEADER_LEN (AX25_MAX_DIGIS * AX25_ADDR_LEN) | |
24 | #define AX25_MAX_HEADER_LEN (AX25_HEADER_LEN + AX25_DIGI_HEADER_LEN) | |
25 | ||
26 | /* AX.25 Protocol IDs */ | |
27 | #define AX25_P_ROSE 0x01 | |
3bf0ae7b RB |
28 | #define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */ |
29 | /* Van Jacobsen (RFC 1144) */ | |
30 | #define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */ | |
31 | /* Van Jacobsen (RFC 1144) */ | |
32 | #define AX25_P_SEGMENT 0x08 /* Segmentation fragment */ | |
33 | #define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */ | |
34 | #define AX25_P_LQ 0xc4 /* Link Quality Protocol */ | |
35 | #define AX25_P_ATALK 0xca /* Appletalk */ | |
36 | #define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */ | |
37 | #define AX25_P_IP 0xcc /* ARPA Internet Protocol */ | |
38 | #define AX25_P_ARP 0xcd /* ARPA Adress Resolution */ | |
39 | #define AX25_P_FLEXNET 0xce /* FlexNet */ | |
40 | #define AX25_P_NETROM 0xcf /* NET/ROM */ | |
41 | #define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */ | |
1da177e4 LT |
42 | |
43 | /* AX.25 Segment control values */ | |
44 | #define AX25_SEG_REM 0x7F | |
45 | #define AX25_SEG_FIRST 0x80 | |
46 | ||
47 | #define AX25_CBIT 0x80 /* Command/Response bit */ | |
48 | #define AX25_EBIT 0x01 /* HDLC Address Extension bit */ | |
49 | #define AX25_HBIT 0x80 /* Has been repeated bit */ | |
50 | ||
51 | #define AX25_SSSID_SPARE 0x60 /* Unused bits in SSID for standard AX.25 */ | |
52 | #define AX25_ESSID_SPARE 0x20 /* Unused bits in SSID for extended AX.25 */ | |
53 | #define AX25_DAMA_FLAG 0x20 /* Well, it is *NOT* unused! (dl1bke 951121 */ | |
54 | ||
55 | #define AX25_COND_ACK_PENDING 0x01 | |
56 | #define AX25_COND_REJECT 0x02 | |
57 | #define AX25_COND_PEER_RX_BUSY 0x04 | |
58 | #define AX25_COND_OWN_RX_BUSY 0x08 | |
59 | #define AX25_COND_DAMA_MODE 0x10 | |
60 | ||
61 | #ifndef _LINUX_NETDEVICE_H | |
62 | #include <linux/netdevice.h> | |
63 | #endif | |
64 | ||
65 | /* Upper sub-layer (LAPB) definitions */ | |
66 | ||
67 | /* Control field templates */ | |
68 | #define AX25_I 0x00 /* Information frames */ | |
69 | #define AX25_S 0x01 /* Supervisory frames */ | |
70 | #define AX25_RR 0x01 /* Receiver ready */ | |
71 | #define AX25_RNR 0x05 /* Receiver not ready */ | |
72 | #define AX25_REJ 0x09 /* Reject */ | |
73 | #define AX25_U 0x03 /* Unnumbered frames */ | |
74 | #define AX25_SABM 0x2f /* Set Asynchronous Balanced Mode */ | |
75 | #define AX25_SABME 0x6f /* Set Asynchronous Balanced Mode Extended */ | |
76 | #define AX25_DISC 0x43 /* Disconnect */ | |
77 | #define AX25_DM 0x0f /* Disconnected mode */ | |
78 | #define AX25_UA 0x63 /* Unnumbered acknowledge */ | |
79 | #define AX25_FRMR 0x87 /* Frame reject */ | |
80 | #define AX25_UI 0x03 /* Unnumbered information */ | |
81 | #define AX25_XID 0xaf /* Exchange information */ | |
82 | #define AX25_TEST 0xe3 /* Test */ | |
83 | ||
84 | #define AX25_PF 0x10 /* Poll/final bit for standard AX.25 */ | |
85 | #define AX25_EPF 0x01 /* Poll/final bit for extended AX.25 */ | |
86 | ||
87 | #define AX25_ILLEGAL 0x100 /* Impossible to be a real frame type */ | |
88 | ||
89 | #define AX25_POLLOFF 0 | |
90 | #define AX25_POLLON 1 | |
91 | ||
92 | /* AX25 L2 C-bit */ | |
93 | #define AX25_COMMAND 1 | |
94 | #define AX25_RESPONSE 2 | |
95 | ||
96 | /* Define Link State constants. */ | |
97 | ||
98 | enum { | |
b01ef8ff RB |
99 | AX25_STATE_0, /* Listening */ |
100 | AX25_STATE_1, /* SABM sent */ | |
101 | AX25_STATE_2, /* DISC sent */ | |
102 | AX25_STATE_3, /* Established */ | |
103 | AX25_STATE_4 /* Recovery */ | |
1da177e4 LT |
104 | }; |
105 | ||
106 | #define AX25_MODULUS 8 /* Standard AX.25 modulus */ | |
107 | #define AX25_EMODULUS 128 /* Extended AX.25 modulus */ | |
108 | ||
109 | enum { | |
110 | AX25_PROTO_STD_SIMPLEX, | |
111 | AX25_PROTO_STD_DUPLEX, | |
c7c694d1 | 112 | #ifdef CONFIG_AX25_DAMA_SLAVE |
1da177e4 | 113 | AX25_PROTO_DAMA_SLAVE, |
c7c694d1 RB |
114 | #ifdef CONFIG_AX25_DAMA_MASTER |
115 | AX25_PROTO_DAMA_MASTER, | |
116 | #define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER | |
117 | #endif | |
118 | #endif | |
119 | __AX25_PROTO_MAX, | |
120 | AX25_PROTO_MAX = __AX25_PROTO_MAX -1 | |
1da177e4 LT |
121 | }; |
122 | ||
123 | enum { | |
124 | AX25_VALUES_IPDEFMODE, /* 0=DG 1=VC */ | |
125 | AX25_VALUES_AXDEFMODE, /* 0=Normal 1=Extended Seq Nos */ | |
126 | AX25_VALUES_BACKOFF, /* 0=None 1=Linear 2=Exponential */ | |
127 | AX25_VALUES_CONMODE, /* Allow connected modes - 0=No 1=no "PID text" 2=all PIDs */ | |
128 | AX25_VALUES_WINDOW, /* Default window size for standard AX.25 */ | |
129 | AX25_VALUES_EWINDOW, /* Default window size for extended AX.25 */ | |
130 | AX25_VALUES_T1, /* Default T1 timeout value */ | |
131 | AX25_VALUES_T2, /* Default T2 timeout value */ | |
132 | AX25_VALUES_T3, /* Default T3 timeout value */ | |
133 | AX25_VALUES_IDLE, /* Connected mode idle timer */ | |
134 | AX25_VALUES_N2, /* Default N2 value */ | |
135 | AX25_VALUES_PACLEN, /* AX.25 MTU */ | |
136 | AX25_VALUES_PROTOCOL, /* Std AX.25, DAMA Slave, DAMA Master */ | |
137 | AX25_VALUES_DS_TIMEOUT, /* DAMA Slave timeout */ | |
138 | AX25_MAX_VALUES /* THIS MUST REMAIN THE LAST ENTRY OF THIS LIST */ | |
139 | }; | |
140 | ||
141 | #define AX25_DEF_IPDEFMODE 0 /* Datagram */ | |
142 | #define AX25_DEF_AXDEFMODE 0 /* Normal */ | |
143 | #define AX25_DEF_BACKOFF 1 /* Linear backoff */ | |
144 | #define AX25_DEF_CONMODE 2 /* Connected mode allowed */ | |
145 | #define AX25_DEF_WINDOW 2 /* Window=2 */ | |
146 | #define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */ | |
e1fdb5b3 RB |
147 | #define AX25_DEF_T1 10000 /* T1=10s */ |
148 | #define AX25_DEF_T2 3000 /* T2=3s */ | |
149 | #define AX25_DEF_T3 300000 /* T3=300s */ | |
1da177e4 | 150 | #define AX25_DEF_N2 10 /* N2=10 */ |
e1fdb5b3 | 151 | #define AX25_DEF_IDLE 0 /* Idle=None */ |
1da177e4 LT |
152 | #define AX25_DEF_PACLEN 256 /* Paclen=256 */ |
153 | #define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */ | |
e1fdb5b3 | 154 | #define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */ |
1da177e4 LT |
155 | |
156 | typedef struct ax25_uid_assoc { | |
01d7dd0e RB |
157 | struct hlist_node uid_node; |
158 | atomic_t refcount; | |
1da177e4 LT |
159 | uid_t uid; |
160 | ax25_address call; | |
161 | } ax25_uid_assoc; | |
162 | ||
01d7dd0e RB |
163 | #define ax25_uid_for_each(__ax25, node, list) \ |
164 | hlist_for_each_entry(__ax25, node, list, uid_node) | |
165 | ||
166 | #define ax25_uid_hold(ax25) \ | |
167 | atomic_inc(&((ax25)->refcount)) | |
168 | ||
169 | static inline void ax25_uid_put(ax25_uid_assoc *assoc) | |
170 | { | |
171 | if (atomic_dec_and_test(&assoc->refcount)) { | |
172 | kfree(assoc); | |
173 | } | |
174 | } | |
175 | ||
1da177e4 LT |
176 | typedef struct { |
177 | ax25_address calls[AX25_MAX_DIGIS]; | |
178 | unsigned char repeated[AX25_MAX_DIGIS]; | |
179 | unsigned char ndigi; | |
4595f251 | 180 | signed char lastrepeat; |
1da177e4 LT |
181 | } ax25_digi; |
182 | ||
183 | typedef struct ax25_route { | |
184 | struct ax25_route *next; | |
006f68b8 | 185 | atomic_t refcount; |
1da177e4 LT |
186 | ax25_address callsign; |
187 | struct net_device *dev; | |
188 | ax25_digi *digipeat; | |
189 | char ip_mode; | |
1da177e4 LT |
190 | } ax25_route; |
191 | ||
006f68b8 RB |
192 | static inline void ax25_hold_route(ax25_route *ax25_rt) |
193 | { | |
194 | atomic_inc(&ax25_rt->refcount); | |
195 | } | |
196 | ||
197 | extern void __ax25_put_route(ax25_route *ax25_rt); | |
198 | ||
199 | static inline void ax25_put_route(ax25_route *ax25_rt) | |
200 | { | |
201 | if (atomic_dec_and_test(&ax25_rt->refcount)) | |
202 | __ax25_put_route(ax25_rt); | |
203 | } | |
204 | ||
1da177e4 LT |
205 | typedef struct { |
206 | char slave; /* slave_mode? */ | |
207 | struct timer_list slave_timer; /* timeout timer */ | |
208 | unsigned short slave_timeout; /* when? */ | |
209 | } ax25_dama_info; | |
210 | ||
211 | struct ctl_table; | |
212 | ||
213 | typedef struct ax25_dev { | |
214 | struct ax25_dev *next; | |
215 | struct net_device *dev; | |
216 | struct net_device *forward; | |
217 | struct ctl_table *systable; | |
218 | int values[AX25_MAX_VALUES]; | |
219 | #if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER) | |
220 | ax25_dama_info dama; | |
221 | #endif | |
222 | } ax25_dev; | |
223 | ||
224 | typedef struct ax25_cb { | |
225 | struct hlist_node ax25_node; | |
226 | ax25_address source_addr, dest_addr; | |
227 | ax25_digi *digipeat; | |
228 | ax25_dev *ax25_dev; | |
229 | unsigned char iamdigi; | |
230 | unsigned char state, modulus, pidincl; | |
231 | unsigned short vs, vr, va; | |
232 | unsigned char condition, backoff; | |
233 | unsigned char n2, n2count; | |
234 | struct timer_list t1timer, t2timer, t3timer, idletimer; | |
235 | unsigned long t1, t2, t3, idle, rtt; | |
236 | unsigned short paclen, fragno, fraglen; | |
237 | struct sk_buff_head write_queue; | |
238 | struct sk_buff_head reseq_queue; | |
239 | struct sk_buff_head ack_queue; | |
240 | struct sk_buff_head frag_queue; | |
241 | unsigned char window; | |
242 | struct timer_list timer, dtimer; | |
243 | struct sock *sk; /* Backlink to socket */ | |
244 | atomic_t refcount; | |
245 | } ax25_cb; | |
246 | ||
247 | #define ax25_sk(__sk) ((ax25_cb *)(__sk)->sk_protinfo) | |
248 | ||
249 | #define ax25_for_each(__ax25, node, list) \ | |
250 | hlist_for_each_entry(__ax25, node, list, ax25_node) | |
251 | ||
252 | #define ax25_cb_hold(__ax25) \ | |
253 | atomic_inc(&((__ax25)->refcount)) | |
254 | ||
255 | static __inline__ void ax25_cb_put(ax25_cb *ax25) | |
256 | { | |
257 | if (atomic_dec_and_test(&ax25->refcount)) { | |
b4558ea9 | 258 | kfree(ax25->digipeat); |
1da177e4 LT |
259 | kfree(ax25); |
260 | } | |
261 | } | |
262 | ||
f852640e | 263 | static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev) |
56cb5156 ACM |
264 | { |
265 | skb->dev = dev; | |
266 | skb->pkt_type = PACKET_HOST; | |
267 | skb->mac.raw = skb->data; | |
268 | return htons(ETH_P_AX25); | |
269 | } | |
270 | ||
1da177e4 LT |
271 | /* af_ax25.c */ |
272 | extern struct hlist_head ax25_list; | |
273 | extern spinlock_t ax25_list_lock; | |
274 | extern void ax25_cb_add(ax25_cb *); | |
275 | struct sock *ax25_find_listener(ax25_address *, int, struct net_device *, int); | |
276 | struct sock *ax25_get_socket(ax25_address *, ax25_address *, int); | |
277 | extern ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, struct net_device *); | |
278 | extern void ax25_send_to_raw(ax25_address *, struct sk_buff *, int); | |
279 | extern void ax25_destroy_socket(ax25_cb *); | |
280 | extern ax25_cb *ax25_create_cb(void); | |
281 | extern void ax25_fillin_cb(ax25_cb *, ax25_dev *); | |
282 | extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *); | |
283 | ||
284 | /* ax25_addr.c */ | |
15b1c0e8 RB |
285 | extern const ax25_address ax25_bcast; |
286 | extern const ax25_address ax25_defaddr; | |
287 | extern const ax25_address null_ax25_address; | |
f654c854 RB |
288 | extern char *ax2asc(char *buf, const ax25_address *); |
289 | extern void asc2ax(ax25_address *addr, const char *callsign); | |
e8cc49bb RB |
290 | extern int ax25cmp(const ax25_address *, const ax25_address *); |
291 | extern int ax25digicmp(const ax25_digi *, const ax25_digi *); | |
292 | extern const unsigned char *ax25_addr_parse(const unsigned char *, int, | |
293 | ax25_address *, ax25_address *, ax25_digi *, int *, int *); | |
294 | extern int ax25_addr_build(unsigned char *, const ax25_address *, | |
295 | const ax25_address *, const ax25_digi *, int, int); | |
296 | extern int ax25_addr_size(const ax25_digi *); | |
297 | extern void ax25_digi_invert(const ax25_digi *, ax25_digi *); | |
1da177e4 LT |
298 | |
299 | /* ax25_dev.c */ | |
300 | extern ax25_dev *ax25_dev_list; | |
301 | extern spinlock_t ax25_dev_lock; | |
302 | ||
303 | static inline ax25_dev *ax25_dev_ax25dev(struct net_device *dev) | |
304 | { | |
305 | return dev->ax25_ptr; | |
306 | } | |
307 | ||
308 | extern ax25_dev *ax25_addr_ax25dev(ax25_address *); | |
309 | extern void ax25_dev_device_up(struct net_device *); | |
310 | extern void ax25_dev_device_down(struct net_device *); | |
311 | extern int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *); | |
312 | extern struct net_device *ax25_fwd_dev(struct net_device *); | |
313 | extern void ax25_dev_free(void); | |
314 | ||
315 | /* ax25_ds_in.c */ | |
316 | extern int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int); | |
317 | ||
318 | /* ax25_ds_subr.c */ | |
319 | extern void ax25_ds_nr_error_recovery(ax25_cb *); | |
320 | extern void ax25_ds_enquiry_response(ax25_cb *); | |
321 | extern void ax25_ds_establish_data_link(ax25_cb *); | |
322 | extern void ax25_dev_dama_off(ax25_dev *); | |
323 | extern void ax25_dama_on(ax25_cb *); | |
324 | extern void ax25_dama_off(ax25_cb *); | |
325 | ||
326 | /* ax25_ds_timer.c */ | |
327 | extern void ax25_ds_set_timer(ax25_dev *); | |
328 | extern void ax25_ds_del_timer(ax25_dev *); | |
329 | extern void ax25_ds_timer(ax25_cb *); | |
330 | extern void ax25_ds_t1_timeout(ax25_cb *); | |
331 | extern void ax25_ds_heartbeat_expiry(ax25_cb *); | |
332 | extern void ax25_ds_t3timer_expiry(ax25_cb *); | |
333 | extern void ax25_ds_idletimer_expiry(ax25_cb *); | |
334 | ||
335 | /* ax25_iface.c */ | |
336 | extern int ax25_protocol_register(unsigned int, int (*)(struct sk_buff *, ax25_cb *)); | |
337 | extern void ax25_protocol_release(unsigned int); | |
338 | extern int ax25_linkfail_register(void (*)(ax25_cb *, int)); | |
339 | extern void ax25_linkfail_release(void (*)(ax25_cb *, int)); | |
340 | extern int ax25_listen_register(ax25_address *, struct net_device *); | |
341 | extern void ax25_listen_release(ax25_address *, struct net_device *); | |
342 | extern int (*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *); | |
343 | extern int ax25_listen_mine(ax25_address *, struct net_device *); | |
344 | extern void ax25_link_failed(ax25_cb *, int); | |
345 | extern int ax25_protocol_is_registered(unsigned int); | |
346 | ||
347 | /* ax25_in.c */ | |
348 | extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *); | |
f2ccd8fa | 349 | extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *); |
1da177e4 LT |
350 | |
351 | /* ax25_ip.c */ | |
6f74998e | 352 | extern int ax25_hard_header(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int); |
1da177e4 LT |
353 | extern int ax25_rebuild_header(struct sk_buff *); |
354 | ||
355 | /* ax25_out.c */ | |
356 | extern ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, ax25_digi *, struct net_device *); | |
357 | extern void ax25_output(ax25_cb *, int, struct sk_buff *); | |
358 | extern void ax25_kick(ax25_cb *); | |
359 | extern void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int); | |
29c4be51 | 360 | extern void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev); |
1da177e4 LT |
361 | extern int ax25_check_iframes_acked(ax25_cb *, unsigned short); |
362 | ||
363 | /* ax25_route.c */ | |
364 | extern void ax25_rt_device_down(struct net_device *); | |
365 | extern int ax25_rt_ioctl(unsigned int, void __user *); | |
366 | extern struct file_operations ax25_route_fops; | |
006f68b8 | 367 | extern ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev); |
1da177e4 | 368 | extern int ax25_rt_autobind(ax25_cb *, ax25_address *); |
1da177e4 LT |
369 | extern struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, ax25_address *, ax25_digi *); |
370 | extern void ax25_rt_free(void); | |
371 | ||
1da177e4 LT |
372 | /* ax25_std_in.c */ |
373 | extern int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int); | |
374 | ||
375 | /* ax25_std_subr.c */ | |
376 | extern void ax25_std_nr_error_recovery(ax25_cb *); | |
377 | extern void ax25_std_establish_data_link(ax25_cb *); | |
378 | extern void ax25_std_transmit_enquiry(ax25_cb *); | |
379 | extern void ax25_std_enquiry_response(ax25_cb *); | |
380 | extern void ax25_std_timeout_response(ax25_cb *); | |
381 | ||
382 | /* ax25_std_timer.c */ | |
383 | extern void ax25_std_heartbeat_expiry(ax25_cb *); | |
384 | extern void ax25_std_t1timer_expiry(ax25_cb *); | |
385 | extern void ax25_std_t2timer_expiry(ax25_cb *); | |
386 | extern void ax25_std_t3timer_expiry(ax25_cb *); | |
387 | extern void ax25_std_idletimer_expiry(ax25_cb *); | |
388 | ||
389 | /* ax25_subr.c */ | |
390 | extern void ax25_clear_queues(ax25_cb *); | |
391 | extern void ax25_frames_acked(ax25_cb *, unsigned short); | |
392 | extern void ax25_requeue_frames(ax25_cb *); | |
393 | extern int ax25_validate_nr(ax25_cb *, unsigned short); | |
394 | extern int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *); | |
395 | extern void ax25_send_control(ax25_cb *, int, int, int); | |
396 | extern void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *, ax25_digi *); | |
397 | extern void ax25_calculate_t1(ax25_cb *); | |
398 | extern void ax25_calculate_rtt(ax25_cb *); | |
399 | extern void ax25_disconnect(ax25_cb *, int); | |
400 | ||
401 | /* ax25_timer.c */ | |
402 | extern void ax25_start_heartbeat(ax25_cb *); | |
403 | extern void ax25_start_t1timer(ax25_cb *); | |
404 | extern void ax25_start_t2timer(ax25_cb *); | |
405 | extern void ax25_start_t3timer(ax25_cb *); | |
406 | extern void ax25_start_idletimer(ax25_cb *); | |
407 | extern void ax25_stop_heartbeat(ax25_cb *); | |
408 | extern void ax25_stop_t1timer(ax25_cb *); | |
409 | extern void ax25_stop_t2timer(ax25_cb *); | |
410 | extern void ax25_stop_t3timer(ax25_cb *); | |
411 | extern void ax25_stop_idletimer(ax25_cb *); | |
412 | extern int ax25_t1timer_running(ax25_cb *); | |
413 | extern unsigned long ax25_display_timer(struct timer_list *); | |
414 | ||
415 | /* ax25_uid.c */ | |
416 | extern int ax25_uid_policy; | |
01d7dd0e | 417 | extern ax25_uid_assoc *ax25_findbyuid(uid_t); |
1da177e4 LT |
418 | extern int ax25_uid_ioctl(int, struct sockaddr_ax25 *); |
419 | extern struct file_operations ax25_uid_fops; | |
420 | extern void ax25_uid_free(void); | |
421 | ||
422 | /* sysctl_net_ax25.c */ | |
423 | #ifdef CONFIG_SYSCTL | |
424 | extern void ax25_register_sysctl(void); | |
425 | extern void ax25_unregister_sysctl(void); | |
426 | #else | |
427 | static inline void ax25_register_sysctl(void) {}; | |
428 | static inline void ax25_unregister_sysctl(void) {}; | |
429 | #endif /* CONFIG_SYSCTL */ | |
430 | ||
431 | #endif |