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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * Declarations of AX.25 type objects. | |
4 | * | |
5 | * Alan Cox (GW4PTS) 10/11/93 | |
6 | */ | |
7 | #ifndef _AX25_H | |
8 | #define _AX25_H | |
9 | ||
1da177e4 LT |
10 | #include <linux/ax25.h> |
11 | #include <linux/spinlock.h> | |
12 | #include <linux/timer.h> | |
13 | #include <linux/list.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
07f2282f | 15 | #include <linux/refcount.h> |
3b6a94be | 16 | #include <net/neighbour.h> |
3200392b | 17 | #include <net/sock.h> |
1da177e4 LT |
18 | |
19 | #define AX25_T1CLAMPLO 1 | |
20 | #define AX25_T1CLAMPHI (30 * HZ) | |
21 | ||
22 | #define AX25_BPQ_HEADER_LEN 16 | |
23 | #define AX25_KISS_HEADER_LEN 1 | |
24 | ||
25 | #define AX25_HEADER_LEN 17 | |
26 | #define AX25_ADDR_LEN 7 | |
27 | #define AX25_DIGI_HEADER_LEN (AX25_MAX_DIGIS * AX25_ADDR_LEN) | |
28 | #define AX25_MAX_HEADER_LEN (AX25_HEADER_LEN + AX25_DIGI_HEADER_LEN) | |
29 | ||
30 | /* AX.25 Protocol IDs */ | |
31 | #define AX25_P_ROSE 0x01 | |
3bf0ae7b RB |
32 | #define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */ |
33 | /* Van Jacobsen (RFC 1144) */ | |
34 | #define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */ | |
35 | /* Van Jacobsen (RFC 1144) */ | |
36 | #define AX25_P_SEGMENT 0x08 /* Segmentation fragment */ | |
37 | #define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */ | |
38 | #define AX25_P_LQ 0xc4 /* Link Quality Protocol */ | |
39 | #define AX25_P_ATALK 0xca /* Appletalk */ | |
40 | #define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */ | |
41 | #define AX25_P_IP 0xcc /* ARPA Internet Protocol */ | |
f4ab2f72 | 42 | #define AX25_P_ARP 0xcd /* ARPA Address Resolution */ |
3bf0ae7b RB |
43 | #define AX25_P_FLEXNET 0xce /* FlexNet */ |
44 | #define AX25_P_NETROM 0xcf /* NET/ROM */ | |
45 | #define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */ | |
1da177e4 LT |
46 | |
47 | /* AX.25 Segment control values */ | |
48 | #define AX25_SEG_REM 0x7F | |
49 | #define AX25_SEG_FIRST 0x80 | |
50 | ||
51 | #define AX25_CBIT 0x80 /* Command/Response bit */ | |
52 | #define AX25_EBIT 0x01 /* HDLC Address Extension bit */ | |
53 | #define AX25_HBIT 0x80 /* Has been repeated bit */ | |
54 | ||
55 | #define AX25_SSSID_SPARE 0x60 /* Unused bits in SSID for standard AX.25 */ | |
56 | #define AX25_ESSID_SPARE 0x20 /* Unused bits in SSID for extended AX.25 */ | |
57 | #define AX25_DAMA_FLAG 0x20 /* Well, it is *NOT* unused! (dl1bke 951121 */ | |
58 | ||
59 | #define AX25_COND_ACK_PENDING 0x01 | |
60 | #define AX25_COND_REJECT 0x02 | |
61 | #define AX25_COND_PEER_RX_BUSY 0x04 | |
62 | #define AX25_COND_OWN_RX_BUSY 0x08 | |
63 | #define AX25_COND_DAMA_MODE 0x10 | |
64 | ||
65 | #ifndef _LINUX_NETDEVICE_H | |
66 | #include <linux/netdevice.h> | |
67 | #endif | |
68 | ||
69 | /* Upper sub-layer (LAPB) definitions */ | |
70 | ||
71 | /* Control field templates */ | |
72 | #define AX25_I 0x00 /* Information frames */ | |
73 | #define AX25_S 0x01 /* Supervisory frames */ | |
74 | #define AX25_RR 0x01 /* Receiver ready */ | |
75 | #define AX25_RNR 0x05 /* Receiver not ready */ | |
76 | #define AX25_REJ 0x09 /* Reject */ | |
77 | #define AX25_U 0x03 /* Unnumbered frames */ | |
78 | #define AX25_SABM 0x2f /* Set Asynchronous Balanced Mode */ | |
79 | #define AX25_SABME 0x6f /* Set Asynchronous Balanced Mode Extended */ | |
80 | #define AX25_DISC 0x43 /* Disconnect */ | |
81 | #define AX25_DM 0x0f /* Disconnected mode */ | |
82 | #define AX25_UA 0x63 /* Unnumbered acknowledge */ | |
83 | #define AX25_FRMR 0x87 /* Frame reject */ | |
84 | #define AX25_UI 0x03 /* Unnumbered information */ | |
85 | #define AX25_XID 0xaf /* Exchange information */ | |
86 | #define AX25_TEST 0xe3 /* Test */ | |
87 | ||
88 | #define AX25_PF 0x10 /* Poll/final bit for standard AX.25 */ | |
89 | #define AX25_EPF 0x01 /* Poll/final bit for extended AX.25 */ | |
90 | ||
91 | #define AX25_ILLEGAL 0x100 /* Impossible to be a real frame type */ | |
92 | ||
93 | #define AX25_POLLOFF 0 | |
94 | #define AX25_POLLON 1 | |
95 | ||
96 | /* AX25 L2 C-bit */ | |
97 | #define AX25_COMMAND 1 | |
98 | #define AX25_RESPONSE 2 | |
99 | ||
100 | /* Define Link State constants. */ | |
101 | ||
102 | enum { | |
b01ef8ff RB |
103 | AX25_STATE_0, /* Listening */ |
104 | AX25_STATE_1, /* SABM sent */ | |
105 | AX25_STATE_2, /* DISC sent */ | |
106 | AX25_STATE_3, /* Established */ | |
107 | AX25_STATE_4 /* Recovery */ | |
1da177e4 LT |
108 | }; |
109 | ||
110 | #define AX25_MODULUS 8 /* Standard AX.25 modulus */ | |
111 | #define AX25_EMODULUS 128 /* Extended AX.25 modulus */ | |
112 | ||
113 | enum { | |
114 | AX25_PROTO_STD_SIMPLEX, | |
115 | AX25_PROTO_STD_DUPLEX, | |
c7c694d1 | 116 | #ifdef CONFIG_AX25_DAMA_SLAVE |
1da177e4 | 117 | AX25_PROTO_DAMA_SLAVE, |
c7c694d1 RB |
118 | #ifdef CONFIG_AX25_DAMA_MASTER |
119 | AX25_PROTO_DAMA_MASTER, | |
120 | #define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER | |
121 | #endif | |
122 | #endif | |
123 | __AX25_PROTO_MAX, | |
124 | AX25_PROTO_MAX = __AX25_PROTO_MAX -1 | |
1da177e4 LT |
125 | }; |
126 | ||
127 | enum { | |
128 | AX25_VALUES_IPDEFMODE, /* 0=DG 1=VC */ | |
129 | AX25_VALUES_AXDEFMODE, /* 0=Normal 1=Extended Seq Nos */ | |
130 | AX25_VALUES_BACKOFF, /* 0=None 1=Linear 2=Exponential */ | |
131 | AX25_VALUES_CONMODE, /* Allow connected modes - 0=No 1=no "PID text" 2=all PIDs */ | |
132 | AX25_VALUES_WINDOW, /* Default window size for standard AX.25 */ | |
133 | AX25_VALUES_EWINDOW, /* Default window size for extended AX.25 */ | |
134 | AX25_VALUES_T1, /* Default T1 timeout value */ | |
135 | AX25_VALUES_T2, /* Default T2 timeout value */ | |
136 | AX25_VALUES_T3, /* Default T3 timeout value */ | |
137 | AX25_VALUES_IDLE, /* Connected mode idle timer */ | |
138 | AX25_VALUES_N2, /* Default N2 value */ | |
139 | AX25_VALUES_PACLEN, /* AX.25 MTU */ | |
140 | AX25_VALUES_PROTOCOL, /* Std AX.25, DAMA Slave, DAMA Master */ | |
141 | AX25_VALUES_DS_TIMEOUT, /* DAMA Slave timeout */ | |
142 | AX25_MAX_VALUES /* THIS MUST REMAIN THE LAST ENTRY OF THIS LIST */ | |
143 | }; | |
144 | ||
145 | #define AX25_DEF_IPDEFMODE 0 /* Datagram */ | |
146 | #define AX25_DEF_AXDEFMODE 0 /* Normal */ | |
147 | #define AX25_DEF_BACKOFF 1 /* Linear backoff */ | |
148 | #define AX25_DEF_CONMODE 2 /* Connected mode allowed */ | |
149 | #define AX25_DEF_WINDOW 2 /* Window=2 */ | |
150 | #define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */ | |
e1fdb5b3 RB |
151 | #define AX25_DEF_T1 10000 /* T1=10s */ |
152 | #define AX25_DEF_T2 3000 /* T2=3s */ | |
153 | #define AX25_DEF_T3 300000 /* T3=300s */ | |
1da177e4 | 154 | #define AX25_DEF_N2 10 /* N2=10 */ |
e1fdb5b3 | 155 | #define AX25_DEF_IDLE 0 /* Idle=None */ |
1da177e4 LT |
156 | #define AX25_DEF_PACLEN 256 /* Paclen=256 */ |
157 | #define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */ | |
e1fdb5b3 | 158 | #define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */ |
1da177e4 LT |
159 | |
160 | typedef struct ax25_uid_assoc { | |
01d7dd0e | 161 | struct hlist_node uid_node; |
07f2282f | 162 | refcount_t refcount; |
d13fda85 | 163 | kuid_t uid; |
1da177e4 LT |
164 | ax25_address call; |
165 | } ax25_uid_assoc; | |
166 | ||
b67bfe0d SL |
167 | #define ax25_uid_for_each(__ax25, list) \ |
168 | hlist_for_each_entry(__ax25, list, uid_node) | |
01d7dd0e RB |
169 | |
170 | #define ax25_uid_hold(ax25) \ | |
07f2282f | 171 | refcount_inc(&((ax25)->refcount)) |
01d7dd0e RB |
172 | |
173 | static inline void ax25_uid_put(ax25_uid_assoc *assoc) | |
174 | { | |
07f2282f | 175 | if (refcount_dec_and_test(&assoc->refcount)) { |
01d7dd0e RB |
176 | kfree(assoc); |
177 | } | |
178 | } | |
179 | ||
1da177e4 LT |
180 | typedef struct { |
181 | ax25_address calls[AX25_MAX_DIGIS]; | |
182 | unsigned char repeated[AX25_MAX_DIGIS]; | |
183 | unsigned char ndigi; | |
4595f251 | 184 | signed char lastrepeat; |
1da177e4 LT |
185 | } ax25_digi; |
186 | ||
187 | typedef struct ax25_route { | |
188 | struct ax25_route *next; | |
39f25d42 | 189 | refcount_t refcount; |
1da177e4 LT |
190 | ax25_address callsign; |
191 | struct net_device *dev; | |
192 | ax25_digi *digipeat; | |
193 | char ip_mode; | |
1da177e4 LT |
194 | } ax25_route; |
195 | ||
006f68b8 RB |
196 | static inline void ax25_hold_route(ax25_route *ax25_rt) |
197 | { | |
39f25d42 | 198 | refcount_inc(&ax25_rt->refcount); |
006f68b8 RB |
199 | } |
200 | ||
c1d8f804 | 201 | void __ax25_put_route(ax25_route *ax25_rt); |
006f68b8 RB |
202 | |
203 | static inline void ax25_put_route(ax25_route *ax25_rt) | |
204 | { | |
39f25d42 | 205 | if (refcount_dec_and_test(&ax25_rt->refcount)) |
006f68b8 RB |
206 | __ax25_put_route(ax25_rt); |
207 | } | |
208 | ||
1da177e4 LT |
209 | typedef struct { |
210 | char slave; /* slave_mode? */ | |
211 | struct timer_list slave_timer; /* timeout timer */ | |
212 | unsigned short slave_timeout; /* when? */ | |
213 | } ax25_dama_info; | |
214 | ||
215 | struct ctl_table; | |
216 | ||
217 | typedef struct ax25_dev { | |
218 | struct ax25_dev *next; | |
219 | struct net_device *dev; | |
220 | struct net_device *forward; | |
0ca7a4c8 | 221 | struct ctl_table_header *sysheader; |
1da177e4 LT |
222 | int values[AX25_MAX_VALUES]; |
223 | #if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER) | |
224 | ax25_dama_info dama; | |
225 | #endif | |
226 | } ax25_dev; | |
227 | ||
228 | typedef struct ax25_cb { | |
229 | struct hlist_node ax25_node; | |
230 | ax25_address source_addr, dest_addr; | |
231 | ax25_digi *digipeat; | |
232 | ax25_dev *ax25_dev; | |
233 | unsigned char iamdigi; | |
234 | unsigned char state, modulus, pidincl; | |
235 | unsigned short vs, vr, va; | |
236 | unsigned char condition, backoff; | |
237 | unsigned char n2, n2count; | |
238 | struct timer_list t1timer, t2timer, t3timer, idletimer; | |
239 | unsigned long t1, t2, t3, idle, rtt; | |
240 | unsigned short paclen, fragno, fraglen; | |
241 | struct sk_buff_head write_queue; | |
242 | struct sk_buff_head reseq_queue; | |
243 | struct sk_buff_head ack_queue; | |
244 | struct sk_buff_head frag_queue; | |
245 | unsigned char window; | |
246 | struct timer_list timer, dtimer; | |
247 | struct sock *sk; /* Backlink to socket */ | |
b6d52ede | 248 | refcount_t refcount; |
1da177e4 LT |
249 | } ax25_cb; |
250 | ||
3200392b DM |
251 | struct ax25_sock { |
252 | struct sock sk; | |
253 | struct ax25_cb *cb; | |
254 | }; | |
255 | ||
256 | static inline struct ax25_sock *ax25_sk(const struct sock *sk) | |
257 | { | |
258 | return (struct ax25_sock *) sk; | |
259 | } | |
260 | ||
261 | static inline struct ax25_cb *sk_to_ax25(const struct sock *sk) | |
262 | { | |
263 | return ax25_sk(sk)->cb; | |
264 | } | |
1da177e4 | 265 | |
b67bfe0d SL |
266 | #define ax25_for_each(__ax25, list) \ |
267 | hlist_for_each_entry(__ax25, list, ax25_node) | |
1da177e4 LT |
268 | |
269 | #define ax25_cb_hold(__ax25) \ | |
b6d52ede | 270 | refcount_inc(&((__ax25)->refcount)) |
1da177e4 LT |
271 | |
272 | static __inline__ void ax25_cb_put(ax25_cb *ax25) | |
273 | { | |
b6d52ede | 274 | if (refcount_dec_and_test(&ax25->refcount)) { |
b4558ea9 | 275 | kfree(ax25->digipeat); |
1da177e4 LT |
276 | kfree(ax25); |
277 | } | |
278 | } | |
279 | ||
f852640e | 280 | static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev) |
56cb5156 ACM |
281 | { |
282 | skb->dev = dev; | |
459a98ed | 283 | skb_reset_mac_header(skb); |
56cb5156 | 284 | skb->pkt_type = PACKET_HOST; |
56cb5156 ACM |
285 | return htons(ETH_P_AX25); |
286 | } | |
287 | ||
1da177e4 LT |
288 | /* af_ax25.c */ |
289 | extern struct hlist_head ax25_list; | |
290 | extern spinlock_t ax25_list_lock; | |
c1d8f804 | 291 | void ax25_cb_add(ax25_cb *); |
1da177e4 LT |
292 | struct sock *ax25_find_listener(ax25_address *, int, struct net_device *, int); |
293 | struct sock *ax25_get_socket(ax25_address *, ax25_address *, int); | |
c1d8f804 JP |
294 | ax25_cb *ax25_find_cb(ax25_address *, ax25_address *, ax25_digi *, |
295 | struct net_device *); | |
296 | void ax25_send_to_raw(ax25_address *, struct sk_buff *, int); | |
297 | void ax25_destroy_socket(ax25_cb *); | |
298 | ax25_cb * __must_check ax25_create_cb(void); | |
299 | void ax25_fillin_cb(ax25_cb *, ax25_dev *); | |
300 | struct sock *ax25_make_new(struct sock *, struct ax25_dev *); | |
1da177e4 LT |
301 | |
302 | /* ax25_addr.c */ | |
15b1c0e8 RB |
303 | extern const ax25_address ax25_bcast; |
304 | extern const ax25_address ax25_defaddr; | |
305 | extern const ax25_address null_ax25_address; | |
c1d8f804 JP |
306 | char *ax2asc(char *buf, const ax25_address *); |
307 | void asc2ax(ax25_address *addr, const char *callsign); | |
308 | int ax25cmp(const ax25_address *, const ax25_address *); | |
309 | int ax25digicmp(const ax25_digi *, const ax25_digi *); | |
310 | const unsigned char *ax25_addr_parse(const unsigned char *, int, | |
e8cc49bb | 311 | ax25_address *, ax25_address *, ax25_digi *, int *, int *); |
c1d8f804 JP |
312 | int ax25_addr_build(unsigned char *, const ax25_address *, |
313 | const ax25_address *, const ax25_digi *, int, int); | |
314 | int ax25_addr_size(const ax25_digi *); | |
315 | void ax25_digi_invert(const ax25_digi *, ax25_digi *); | |
1da177e4 LT |
316 | |
317 | /* ax25_dev.c */ | |
318 | extern ax25_dev *ax25_dev_list; | |
319 | extern spinlock_t ax25_dev_lock; | |
320 | ||
321 | static inline ax25_dev *ax25_dev_ax25dev(struct net_device *dev) | |
322 | { | |
323 | return dev->ax25_ptr; | |
324 | } | |
325 | ||
c1d8f804 JP |
326 | ax25_dev *ax25_addr_ax25dev(ax25_address *); |
327 | void ax25_dev_device_up(struct net_device *); | |
328 | void ax25_dev_device_down(struct net_device *); | |
329 | int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *); | |
330 | struct net_device *ax25_fwd_dev(struct net_device *); | |
331 | void ax25_dev_free(void); | |
1da177e4 LT |
332 | |
333 | /* ax25_ds_in.c */ | |
c1d8f804 | 334 | int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int); |
1da177e4 LT |
335 | |
336 | /* ax25_ds_subr.c */ | |
c1d8f804 JP |
337 | void ax25_ds_nr_error_recovery(ax25_cb *); |
338 | void ax25_ds_enquiry_response(ax25_cb *); | |
339 | void ax25_ds_establish_data_link(ax25_cb *); | |
340 | void ax25_dev_dama_off(ax25_dev *); | |
341 | void ax25_dama_on(ax25_cb *); | |
342 | void ax25_dama_off(ax25_cb *); | |
1da177e4 LT |
343 | |
344 | /* ax25_ds_timer.c */ | |
c1d8f804 JP |
345 | void ax25_ds_setup_timer(ax25_dev *); |
346 | void ax25_ds_set_timer(ax25_dev *); | |
347 | void ax25_ds_del_timer(ax25_dev *); | |
348 | void ax25_ds_timer(ax25_cb *); | |
349 | void ax25_ds_t1_timeout(ax25_cb *); | |
350 | void ax25_ds_heartbeat_expiry(ax25_cb *); | |
351 | void ax25_ds_t3timer_expiry(ax25_cb *); | |
352 | void ax25_ds_idletimer_expiry(ax25_cb *); | |
1da177e4 LT |
353 | |
354 | /* ax25_iface.c */ | |
8d5cf596 RB |
355 | |
356 | struct ax25_protocol { | |
357 | struct ax25_protocol *next; | |
358 | unsigned int pid; | |
359 | int (*func)(struct sk_buff *, ax25_cb *); | |
360 | }; | |
361 | ||
c1d8f804 JP |
362 | void ax25_register_pid(struct ax25_protocol *ap); |
363 | void ax25_protocol_release(unsigned int); | |
a4282717 RB |
364 | |
365 | struct ax25_linkfail { | |
366 | struct hlist_node lf_node; | |
367 | void (*func)(ax25_cb *, int); | |
368 | }; | |
369 | ||
c1d8f804 JP |
370 | void ax25_linkfail_register(struct ax25_linkfail *lf); |
371 | void ax25_linkfail_release(struct ax25_linkfail *lf); | |
372 | int __must_check ax25_listen_register(ax25_address *, struct net_device *); | |
373 | void ax25_listen_release(ax25_address *, struct net_device *); | |
374 | int(*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *); | |
375 | int ax25_listen_mine(ax25_address *, struct net_device *); | |
376 | void ax25_link_failed(ax25_cb *, int); | |
377 | int ax25_protocol_is_registered(unsigned int); | |
1da177e4 LT |
378 | |
379 | /* ax25_in.c */ | |
c1d8f804 JP |
380 | int ax25_rx_iframe(ax25_cb *, struct sk_buff *); |
381 | int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, | |
382 | struct net_device *); | |
1da177e4 LT |
383 | |
384 | /* ax25_ip.c */ | |
1d5da757 | 385 | netdev_tx_t ax25_ip_xmit(struct sk_buff *skb); |
3b04ddde | 386 | extern const struct header_ops ax25_header_ops; |
1da177e4 LT |
387 | |
388 | /* ax25_out.c */ | |
c1d8f804 JP |
389 | ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, |
390 | ax25_digi *, struct net_device *); | |
391 | void ax25_output(ax25_cb *, int, struct sk_buff *); | |
392 | void ax25_kick(ax25_cb *); | |
393 | void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int); | |
394 | void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev); | |
395 | int ax25_check_iframes_acked(ax25_cb *, unsigned short); | |
1da177e4 LT |
396 | |
397 | /* ax25_route.c */ | |
c1d8f804 JP |
398 | void ax25_rt_device_down(struct net_device *); |
399 | int ax25_rt_ioctl(unsigned int, void __user *); | |
54047320 | 400 | extern const struct file_operations ax25_route_fops; |
c1d8f804 JP |
401 | ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev); |
402 | int ax25_rt_autobind(ax25_cb *, ax25_address *); | |
403 | struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, | |
404 | ax25_address *, ax25_digi *); | |
405 | void ax25_rt_free(void); | |
1da177e4 | 406 | |
1da177e4 | 407 | /* ax25_std_in.c */ |
c1d8f804 | 408 | int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int); |
1da177e4 LT |
409 | |
410 | /* ax25_std_subr.c */ | |
c1d8f804 JP |
411 | void ax25_std_nr_error_recovery(ax25_cb *); |
412 | void ax25_std_establish_data_link(ax25_cb *); | |
413 | void ax25_std_transmit_enquiry(ax25_cb *); | |
414 | void ax25_std_enquiry_response(ax25_cb *); | |
415 | void ax25_std_timeout_response(ax25_cb *); | |
1da177e4 LT |
416 | |
417 | /* ax25_std_timer.c */ | |
c1d8f804 JP |
418 | void ax25_std_heartbeat_expiry(ax25_cb *); |
419 | void ax25_std_t1timer_expiry(ax25_cb *); | |
420 | void ax25_std_t2timer_expiry(ax25_cb *); | |
421 | void ax25_std_t3timer_expiry(ax25_cb *); | |
422 | void ax25_std_idletimer_expiry(ax25_cb *); | |
1da177e4 LT |
423 | |
424 | /* ax25_subr.c */ | |
c1d8f804 JP |
425 | void ax25_clear_queues(ax25_cb *); |
426 | void ax25_frames_acked(ax25_cb *, unsigned short); | |
427 | void ax25_requeue_frames(ax25_cb *); | |
428 | int ax25_validate_nr(ax25_cb *, unsigned short); | |
429 | int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *); | |
430 | void ax25_send_control(ax25_cb *, int, int, int); | |
431 | void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *, | |
432 | ax25_digi *); | |
433 | void ax25_calculate_t1(ax25_cb *); | |
434 | void ax25_calculate_rtt(ax25_cb *); | |
435 | void ax25_disconnect(ax25_cb *, int); | |
1da177e4 LT |
436 | |
437 | /* ax25_timer.c */ | |
c1d8f804 JP |
438 | void ax25_setup_timers(ax25_cb *); |
439 | void ax25_start_heartbeat(ax25_cb *); | |
440 | void ax25_start_t1timer(ax25_cb *); | |
441 | void ax25_start_t2timer(ax25_cb *); | |
442 | void ax25_start_t3timer(ax25_cb *); | |
443 | void ax25_start_idletimer(ax25_cb *); | |
444 | void ax25_stop_heartbeat(ax25_cb *); | |
445 | void ax25_stop_t1timer(ax25_cb *); | |
446 | void ax25_stop_t2timer(ax25_cb *); | |
447 | void ax25_stop_t3timer(ax25_cb *); | |
448 | void ax25_stop_idletimer(ax25_cb *); | |
449 | int ax25_t1timer_running(ax25_cb *); | |
450 | unsigned long ax25_display_timer(struct timer_list *); | |
1da177e4 LT |
451 | |
452 | /* ax25_uid.c */ | |
453 | extern int ax25_uid_policy; | |
c1d8f804 JP |
454 | ax25_uid_assoc *ax25_findbyuid(kuid_t); |
455 | int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *); | |
54047320 | 456 | extern const struct file_operations ax25_uid_fops; |
c1d8f804 | 457 | void ax25_uid_free(void); |
1da177e4 LT |
458 | |
459 | /* sysctl_net_ax25.c */ | |
460 | #ifdef CONFIG_SYSCTL | |
c1d8f804 JP |
461 | int ax25_register_dev_sysctl(ax25_dev *ax25_dev); |
462 | void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev); | |
1da177e4 | 463 | #else |
b9898507 EB |
464 | static inline int ax25_register_dev_sysctl(ax25_dev *ax25_dev) { return 0; } |
465 | static inline void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev) {} | |
1da177e4 LT |
466 | #endif /* CONFIG_SYSCTL */ |
467 | ||
468 | #endif |