Commit | Line | Data |
---|---|---|
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> |
fddda2b7 | 18 | #include <linux/seq_file.h> |
1da177e4 LT |
19 | |
20 | #define AX25_T1CLAMPLO 1 | |
21 | #define AX25_T1CLAMPHI (30 * HZ) | |
22 | ||
23 | #define AX25_BPQ_HEADER_LEN 16 | |
24 | #define AX25_KISS_HEADER_LEN 1 | |
25 | ||
26 | #define AX25_HEADER_LEN 17 | |
27 | #define AX25_ADDR_LEN 7 | |
28 | #define AX25_DIGI_HEADER_LEN (AX25_MAX_DIGIS * AX25_ADDR_LEN) | |
29 | #define AX25_MAX_HEADER_LEN (AX25_HEADER_LEN + AX25_DIGI_HEADER_LEN) | |
30 | ||
31 | /* AX.25 Protocol IDs */ | |
32 | #define AX25_P_ROSE 0x01 | |
3bf0ae7b RB |
33 | #define AX25_P_VJCOMP 0x06 /* Compressed TCP/IP packet */ |
34 | /* Van Jacobsen (RFC 1144) */ | |
35 | #define AX25_P_VJUNCOMP 0x07 /* Uncompressed TCP/IP packet */ | |
36 | /* Van Jacobsen (RFC 1144) */ | |
37 | #define AX25_P_SEGMENT 0x08 /* Segmentation fragment */ | |
38 | #define AX25_P_TEXNET 0xc3 /* TEXTNET datagram protocol */ | |
39 | #define AX25_P_LQ 0xc4 /* Link Quality Protocol */ | |
40 | #define AX25_P_ATALK 0xca /* Appletalk */ | |
41 | #define AX25_P_ATALK_ARP 0xcb /* Appletalk ARP */ | |
42 | #define AX25_P_IP 0xcc /* ARPA Internet Protocol */ | |
f4ab2f72 | 43 | #define AX25_P_ARP 0xcd /* ARPA Address Resolution */ |
3bf0ae7b RB |
44 | #define AX25_P_FLEXNET 0xce /* FlexNet */ |
45 | #define AX25_P_NETROM 0xcf /* NET/ROM */ | |
46 | #define AX25_P_TEXT 0xF0 /* No layer 3 protocol impl. */ | |
1da177e4 LT |
47 | |
48 | /* AX.25 Segment control values */ | |
49 | #define AX25_SEG_REM 0x7F | |
50 | #define AX25_SEG_FIRST 0x80 | |
51 | ||
52 | #define AX25_CBIT 0x80 /* Command/Response bit */ | |
53 | #define AX25_EBIT 0x01 /* HDLC Address Extension bit */ | |
54 | #define AX25_HBIT 0x80 /* Has been repeated bit */ | |
55 | ||
56 | #define AX25_SSSID_SPARE 0x60 /* Unused bits in SSID for standard AX.25 */ | |
57 | #define AX25_ESSID_SPARE 0x20 /* Unused bits in SSID for extended AX.25 */ | |
58 | #define AX25_DAMA_FLAG 0x20 /* Well, it is *NOT* unused! (dl1bke 951121 */ | |
59 | ||
60 | #define AX25_COND_ACK_PENDING 0x01 | |
61 | #define AX25_COND_REJECT 0x02 | |
62 | #define AX25_COND_PEER_RX_BUSY 0x04 | |
63 | #define AX25_COND_OWN_RX_BUSY 0x08 | |
64 | #define AX25_COND_DAMA_MODE 0x10 | |
65 | ||
66 | #ifndef _LINUX_NETDEVICE_H | |
67 | #include <linux/netdevice.h> | |
68 | #endif | |
69 | ||
70 | /* Upper sub-layer (LAPB) definitions */ | |
71 | ||
72 | /* Control field templates */ | |
73 | #define AX25_I 0x00 /* Information frames */ | |
74 | #define AX25_S 0x01 /* Supervisory frames */ | |
75 | #define AX25_RR 0x01 /* Receiver ready */ | |
76 | #define AX25_RNR 0x05 /* Receiver not ready */ | |
77 | #define AX25_REJ 0x09 /* Reject */ | |
78 | #define AX25_U 0x03 /* Unnumbered frames */ | |
79 | #define AX25_SABM 0x2f /* Set Asynchronous Balanced Mode */ | |
80 | #define AX25_SABME 0x6f /* Set Asynchronous Balanced Mode Extended */ | |
81 | #define AX25_DISC 0x43 /* Disconnect */ | |
82 | #define AX25_DM 0x0f /* Disconnected mode */ | |
83 | #define AX25_UA 0x63 /* Unnumbered acknowledge */ | |
84 | #define AX25_FRMR 0x87 /* Frame reject */ | |
85 | #define AX25_UI 0x03 /* Unnumbered information */ | |
86 | #define AX25_XID 0xaf /* Exchange information */ | |
87 | #define AX25_TEST 0xe3 /* Test */ | |
88 | ||
89 | #define AX25_PF 0x10 /* Poll/final bit for standard AX.25 */ | |
90 | #define AX25_EPF 0x01 /* Poll/final bit for extended AX.25 */ | |
91 | ||
92 | #define AX25_ILLEGAL 0x100 /* Impossible to be a real frame type */ | |
93 | ||
94 | #define AX25_POLLOFF 0 | |
95 | #define AX25_POLLON 1 | |
96 | ||
97 | /* AX25 L2 C-bit */ | |
98 | #define AX25_COMMAND 1 | |
99 | #define AX25_RESPONSE 2 | |
100 | ||
101 | /* Define Link State constants. */ | |
102 | ||
103 | enum { | |
b01ef8ff RB |
104 | AX25_STATE_0, /* Listening */ |
105 | AX25_STATE_1, /* SABM sent */ | |
106 | AX25_STATE_2, /* DISC sent */ | |
107 | AX25_STATE_3, /* Established */ | |
108 | AX25_STATE_4 /* Recovery */ | |
1da177e4 LT |
109 | }; |
110 | ||
111 | #define AX25_MODULUS 8 /* Standard AX.25 modulus */ | |
112 | #define AX25_EMODULUS 128 /* Extended AX.25 modulus */ | |
113 | ||
114 | enum { | |
115 | AX25_PROTO_STD_SIMPLEX, | |
116 | AX25_PROTO_STD_DUPLEX, | |
c7c694d1 | 117 | #ifdef CONFIG_AX25_DAMA_SLAVE |
1da177e4 | 118 | AX25_PROTO_DAMA_SLAVE, |
c7c694d1 RBD |
119 | #ifdef CONFIG_AX25_DAMA_MASTER |
120 | AX25_PROTO_DAMA_MASTER, | |
121 | #define AX25_PROTO_MAX AX25_PROTO_DAMA_MASTER | |
122 | #endif | |
123 | #endif | |
124 | __AX25_PROTO_MAX, | |
125 | AX25_PROTO_MAX = __AX25_PROTO_MAX -1 | |
1da177e4 LT |
126 | }; |
127 | ||
128 | enum { | |
129 | AX25_VALUES_IPDEFMODE, /* 0=DG 1=VC */ | |
130 | AX25_VALUES_AXDEFMODE, /* 0=Normal 1=Extended Seq Nos */ | |
131 | AX25_VALUES_BACKOFF, /* 0=None 1=Linear 2=Exponential */ | |
132 | AX25_VALUES_CONMODE, /* Allow connected modes - 0=No 1=no "PID text" 2=all PIDs */ | |
133 | AX25_VALUES_WINDOW, /* Default window size for standard AX.25 */ | |
134 | AX25_VALUES_EWINDOW, /* Default window size for extended AX.25 */ | |
135 | AX25_VALUES_T1, /* Default T1 timeout value */ | |
136 | AX25_VALUES_T2, /* Default T2 timeout value */ | |
137 | AX25_VALUES_T3, /* Default T3 timeout value */ | |
138 | AX25_VALUES_IDLE, /* Connected mode idle timer */ | |
139 | AX25_VALUES_N2, /* Default N2 value */ | |
140 | AX25_VALUES_PACLEN, /* AX.25 MTU */ | |
141 | AX25_VALUES_PROTOCOL, /* Std AX.25, DAMA Slave, DAMA Master */ | |
78a7b5db | 142 | #ifdef CONFIG_AX25_DAMA_SLAVE |
1da177e4 | 143 | AX25_VALUES_DS_TIMEOUT, /* DAMA Slave timeout */ |
78a7b5db | 144 | #endif |
1da177e4 LT |
145 | AX25_MAX_VALUES /* THIS MUST REMAIN THE LAST ENTRY OF THIS LIST */ |
146 | }; | |
147 | ||
148 | #define AX25_DEF_IPDEFMODE 0 /* Datagram */ | |
149 | #define AX25_DEF_AXDEFMODE 0 /* Normal */ | |
150 | #define AX25_DEF_BACKOFF 1 /* Linear backoff */ | |
151 | #define AX25_DEF_CONMODE 2 /* Connected mode allowed */ | |
152 | #define AX25_DEF_WINDOW 2 /* Window=2 */ | |
153 | #define AX25_DEF_EWINDOW 32 /* Module-128 Window=32 */ | |
e1fdb5b3 RB |
154 | #define AX25_DEF_T1 10000 /* T1=10s */ |
155 | #define AX25_DEF_T2 3000 /* T2=3s */ | |
156 | #define AX25_DEF_T3 300000 /* T3=300s */ | |
1da177e4 | 157 | #define AX25_DEF_N2 10 /* N2=10 */ |
e1fdb5b3 | 158 | #define AX25_DEF_IDLE 0 /* Idle=None */ |
1da177e4 LT |
159 | #define AX25_DEF_PACLEN 256 /* Paclen=256 */ |
160 | #define AX25_DEF_PROTOCOL AX25_PROTO_STD_SIMPLEX /* Standard AX.25 */ | |
e1fdb5b3 | 161 | #define AX25_DEF_DS_TIMEOUT 180000 /* DAMA timeout 3 minutes */ |
1da177e4 LT |
162 | |
163 | typedef struct ax25_uid_assoc { | |
01d7dd0e | 164 | struct hlist_node uid_node; |
07f2282f | 165 | refcount_t refcount; |
d13fda85 | 166 | kuid_t uid; |
1da177e4 LT |
167 | ax25_address call; |
168 | } ax25_uid_assoc; | |
169 | ||
b67bfe0d SL |
170 | #define ax25_uid_for_each(__ax25, list) \ |
171 | hlist_for_each_entry(__ax25, list, uid_node) | |
01d7dd0e RB |
172 | |
173 | #define ax25_uid_hold(ax25) \ | |
07f2282f | 174 | refcount_inc(&((ax25)->refcount)) |
01d7dd0e RB |
175 | |
176 | static inline void ax25_uid_put(ax25_uid_assoc *assoc) | |
177 | { | |
07f2282f | 178 | if (refcount_dec_and_test(&assoc->refcount)) { |
01d7dd0e RB |
179 | kfree(assoc); |
180 | } | |
181 | } | |
182 | ||
1da177e4 LT |
183 | typedef struct { |
184 | ax25_address calls[AX25_MAX_DIGIS]; | |
185 | unsigned char repeated[AX25_MAX_DIGIS]; | |
186 | unsigned char ndigi; | |
4595f251 | 187 | signed char lastrepeat; |
1da177e4 LT |
188 | } ax25_digi; |
189 | ||
190 | typedef struct ax25_route { | |
191 | struct ax25_route *next; | |
1da177e4 LT |
192 | ax25_address callsign; |
193 | struct net_device *dev; | |
194 | ax25_digi *digipeat; | |
195 | char ip_mode; | |
1da177e4 LT |
196 | } ax25_route; |
197 | ||
c1d8f804 | 198 | void __ax25_put_route(ax25_route *ax25_rt); |
006f68b8 | 199 | |
63530aba ED |
200 | extern rwlock_t ax25_route_lock; |
201 | ||
202 | static inline void ax25_route_lock_use(void) | |
203 | { | |
204 | read_lock(&ax25_route_lock); | |
205 | } | |
206 | ||
207 | static inline void ax25_route_lock_unuse(void) | |
208 | { | |
209 | read_unlock(&ax25_route_lock); | |
210 | } | |
211 | ||
1da177e4 LT |
212 | typedef struct { |
213 | char slave; /* slave_mode? */ | |
214 | struct timer_list slave_timer; /* timeout timer */ | |
215 | unsigned short slave_timeout; /* when? */ | |
216 | } ax25_dama_info; | |
217 | ||
218 | struct ctl_table; | |
219 | ||
220 | typedef struct ax25_dev { | |
a7d6e36b | 221 | struct list_head list; |
66ce07f7 | 222 | |
1da177e4 | 223 | struct net_device *dev; |
66ce07f7 ED |
224 | netdevice_tracker dev_tracker; |
225 | ||
1da177e4 | 226 | struct net_device *forward; |
0ca7a4c8 | 227 | struct ctl_table_header *sysheader; |
1da177e4 LT |
228 | int values[AX25_MAX_VALUES]; |
229 | #if defined(CONFIG_AX25_DAMA_SLAVE) || defined(CONFIG_AX25_DAMA_MASTER) | |
230 | ax25_dama_info dama; | |
231 | #endif | |
d01ffb9e | 232 | refcount_t refcount; |
7d8a3a47 | 233 | bool device_up; |
1da177e4 LT |
234 | } ax25_dev; |
235 | ||
236 | typedef struct ax25_cb { | |
237 | struct hlist_node ax25_node; | |
238 | ax25_address source_addr, dest_addr; | |
239 | ax25_digi *digipeat; | |
240 | ax25_dev *ax25_dev; | |
d7c4c9e0 | 241 | netdevice_tracker dev_tracker; |
1da177e4 LT |
242 | unsigned char iamdigi; |
243 | unsigned char state, modulus, pidincl; | |
244 | unsigned short vs, vr, va; | |
245 | unsigned char condition, backoff; | |
246 | unsigned char n2, n2count; | |
247 | struct timer_list t1timer, t2timer, t3timer, idletimer; | |
248 | unsigned long t1, t2, t3, idle, rtt; | |
249 | unsigned short paclen, fragno, fraglen; | |
250 | struct sk_buff_head write_queue; | |
251 | struct sk_buff_head reseq_queue; | |
252 | struct sk_buff_head ack_queue; | |
253 | struct sk_buff_head frag_queue; | |
254 | unsigned char window; | |
255 | struct timer_list timer, dtimer; | |
256 | struct sock *sk; /* Backlink to socket */ | |
b6d52ede | 257 | refcount_t refcount; |
1da177e4 LT |
258 | } ax25_cb; |
259 | ||
3200392b DM |
260 | struct ax25_sock { |
261 | struct sock sk; | |
262 | struct ax25_cb *cb; | |
263 | }; | |
264 | ||
c7154ca8 | 265 | #define ax25_sk(ptr) container_of_const(ptr, struct ax25_sock, sk) |
3200392b DM |
266 | |
267 | static inline struct ax25_cb *sk_to_ax25(const struct sock *sk) | |
268 | { | |
269 | return ax25_sk(sk)->cb; | |
270 | } | |
1da177e4 | 271 | |
b67bfe0d SL |
272 | #define ax25_for_each(__ax25, list) \ |
273 | hlist_for_each_entry(__ax25, list, ax25_node) | |
1da177e4 LT |
274 | |
275 | #define ax25_cb_hold(__ax25) \ | |
b6d52ede | 276 | refcount_inc(&((__ax25)->refcount)) |
1da177e4 LT |
277 | |
278 | static __inline__ void ax25_cb_put(ax25_cb *ax25) | |
279 | { | |
b6d52ede | 280 | if (refcount_dec_and_test(&ax25->refcount)) { |
b4558ea9 | 281 | kfree(ax25->digipeat); |
1da177e4 LT |
282 | kfree(ax25); |
283 | } | |
284 | } | |
285 | ||
87563a04 DZ |
286 | static inline void ax25_dev_hold(ax25_dev *ax25_dev) |
287 | { | |
288 | refcount_inc(&ax25_dev->refcount); | |
289 | } | |
d01ffb9e | 290 | |
87563a04 | 291 | static inline void ax25_dev_put(ax25_dev *ax25_dev) |
d01ffb9e DZ |
292 | { |
293 | if (refcount_dec_and_test(&ax25_dev->refcount)) { | |
294 | kfree(ax25_dev); | |
295 | } | |
296 | } | |
f852640e | 297 | static inline __be16 ax25_type_trans(struct sk_buff *skb, struct net_device *dev) |
56cb5156 ACM |
298 | { |
299 | skb->dev = dev; | |
459a98ed | 300 | skb_reset_mac_header(skb); |
56cb5156 | 301 | skb->pkt_type = PACKET_HOST; |
56cb5156 ACM |
302 | return htons(ETH_P_AX25); |
303 | } | |
304 | ||
1da177e4 LT |
305 | /* af_ax25.c */ |
306 | extern struct hlist_head ax25_list; | |
307 | extern spinlock_t ax25_list_lock; | |
c1d8f804 | 308 | void ax25_cb_add(ax25_cb *); |
1da177e4 LT |
309 | struct sock *ax25_find_listener(ax25_address *, int, struct net_device *, int); |
310 | struct sock *ax25_get_socket(ax25_address *, ax25_address *, int); | |
c045ad2c | 311 | ax25_cb *ax25_find_cb(const ax25_address *, ax25_address *, ax25_digi *, |
c1d8f804 JP |
312 | struct net_device *); |
313 | void ax25_send_to_raw(ax25_address *, struct sk_buff *, int); | |
314 | void ax25_destroy_socket(ax25_cb *); | |
315 | ax25_cb * __must_check ax25_create_cb(void); | |
316 | void ax25_fillin_cb(ax25_cb *, ax25_dev *); | |
317 | struct sock *ax25_make_new(struct sock *, struct ax25_dev *); | |
1da177e4 LT |
318 | |
319 | /* ax25_addr.c */ | |
15b1c0e8 RB |
320 | extern const ax25_address ax25_bcast; |
321 | extern const ax25_address ax25_defaddr; | |
322 | extern const ax25_address null_ax25_address; | |
c1d8f804 JP |
323 | char *ax2asc(char *buf, const ax25_address *); |
324 | void asc2ax(ax25_address *addr, const char *callsign); | |
325 | int ax25cmp(const ax25_address *, const ax25_address *); | |
326 | int ax25digicmp(const ax25_digi *, const ax25_digi *); | |
327 | const unsigned char *ax25_addr_parse(const unsigned char *, int, | |
e8cc49bb | 328 | ax25_address *, ax25_address *, ax25_digi *, int *, int *); |
c1d8f804 JP |
329 | int ax25_addr_build(unsigned char *, const ax25_address *, |
330 | const ax25_address *, const ax25_digi *, int, int); | |
331 | int ax25_addr_size(const ax25_digi *); | |
332 | void ax25_digi_invert(const ax25_digi *, ax25_digi *); | |
1da177e4 LT |
333 | |
334 | /* ax25_dev.c */ | |
1da177e4 LT |
335 | extern spinlock_t ax25_dev_lock; |
336 | ||
19ff13f2 | 337 | #if IS_ENABLED(CONFIG_AX25) |
1da177e4 LT |
338 | static inline ax25_dev *ax25_dev_ax25dev(struct net_device *dev) |
339 | { | |
340 | return dev->ax25_ptr; | |
341 | } | |
19ff13f2 | 342 | #endif |
1da177e4 | 343 | |
c1d8f804 JP |
344 | ax25_dev *ax25_addr_ax25dev(ax25_address *); |
345 | void ax25_dev_device_up(struct net_device *); | |
346 | void ax25_dev_device_down(struct net_device *); | |
347 | int ax25_fwd_ioctl(unsigned int, struct ax25_fwd_struct *); | |
348 | struct net_device *ax25_fwd_dev(struct net_device *); | |
349 | void ax25_dev_free(void); | |
1da177e4 LT |
350 | |
351 | /* ax25_ds_in.c */ | |
c1d8f804 | 352 | int ax25_ds_frame_in(ax25_cb *, struct sk_buff *, int); |
1da177e4 LT |
353 | |
354 | /* ax25_ds_subr.c */ | |
c1d8f804 JP |
355 | void ax25_ds_nr_error_recovery(ax25_cb *); |
356 | void ax25_ds_enquiry_response(ax25_cb *); | |
357 | void ax25_ds_establish_data_link(ax25_cb *); | |
358 | void ax25_dev_dama_off(ax25_dev *); | |
359 | void ax25_dama_on(ax25_cb *); | |
360 | void ax25_dama_off(ax25_cb *); | |
1da177e4 LT |
361 | |
362 | /* ax25_ds_timer.c */ | |
c1d8f804 JP |
363 | void ax25_ds_setup_timer(ax25_dev *); |
364 | void ax25_ds_set_timer(ax25_dev *); | |
365 | void ax25_ds_del_timer(ax25_dev *); | |
366 | void ax25_ds_timer(ax25_cb *); | |
367 | void ax25_ds_t1_timeout(ax25_cb *); | |
368 | void ax25_ds_heartbeat_expiry(ax25_cb *); | |
369 | void ax25_ds_t3timer_expiry(ax25_cb *); | |
370 | void ax25_ds_idletimer_expiry(ax25_cb *); | |
1da177e4 LT |
371 | |
372 | /* ax25_iface.c */ | |
8d5cf596 RB |
373 | |
374 | struct ax25_protocol { | |
375 | struct ax25_protocol *next; | |
376 | unsigned int pid; | |
377 | int (*func)(struct sk_buff *, ax25_cb *); | |
378 | }; | |
379 | ||
c1d8f804 JP |
380 | void ax25_register_pid(struct ax25_protocol *ap); |
381 | void ax25_protocol_release(unsigned int); | |
a4282717 RB |
382 | |
383 | struct ax25_linkfail { | |
384 | struct hlist_node lf_node; | |
385 | void (*func)(ax25_cb *, int); | |
386 | }; | |
387 | ||
c1d8f804 JP |
388 | void ax25_linkfail_register(struct ax25_linkfail *lf); |
389 | void ax25_linkfail_release(struct ax25_linkfail *lf); | |
c045ad2c JK |
390 | int __must_check ax25_listen_register(const ax25_address *, |
391 | struct net_device *); | |
392 | void ax25_listen_release(const ax25_address *, struct net_device *); | |
c1d8f804 | 393 | int(*ax25_protocol_function(unsigned int))(struct sk_buff *, ax25_cb *); |
c045ad2c | 394 | int ax25_listen_mine(const ax25_address *, struct net_device *); |
c1d8f804 JP |
395 | void ax25_link_failed(ax25_cb *, int); |
396 | int ax25_protocol_is_registered(unsigned int); | |
1da177e4 LT |
397 | |
398 | /* ax25_in.c */ | |
c1d8f804 JP |
399 | int ax25_rx_iframe(ax25_cb *, struct sk_buff *); |
400 | int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, | |
401 | struct net_device *); | |
1da177e4 LT |
402 | |
403 | /* ax25_ip.c */ | |
1d5da757 | 404 | netdev_tx_t ax25_ip_xmit(struct sk_buff *skb); |
3b04ddde | 405 | extern const struct header_ops ax25_header_ops; |
1da177e4 LT |
406 | |
407 | /* ax25_out.c */ | |
c045ad2c JK |
408 | ax25_cb *ax25_send_frame(struct sk_buff *, int, const ax25_address *, |
409 | ax25_address *, ax25_digi *, struct net_device *); | |
c1d8f804 JP |
410 | void ax25_output(ax25_cb *, int, struct sk_buff *); |
411 | void ax25_kick(ax25_cb *); | |
412 | void ax25_transmit_buffer(ax25_cb *, struct sk_buff *, int); | |
413 | void ax25_queue_xmit(struct sk_buff *skb, struct net_device *dev); | |
414 | int ax25_check_iframes_acked(ax25_cb *, unsigned short); | |
1da177e4 LT |
415 | |
416 | /* ax25_route.c */ | |
c1d8f804 JP |
417 | void ax25_rt_device_down(struct net_device *); |
418 | int ax25_rt_ioctl(unsigned int, void __user *); | |
fddda2b7 | 419 | extern const struct seq_operations ax25_rt_seqops; |
c1d8f804 JP |
420 | ax25_route *ax25_get_route(ax25_address *addr, struct net_device *dev); |
421 | int ax25_rt_autobind(ax25_cb *, ax25_address *); | |
422 | struct sk_buff *ax25_rt_build_path(struct sk_buff *, ax25_address *, | |
423 | ax25_address *, ax25_digi *); | |
424 | void ax25_rt_free(void); | |
1da177e4 | 425 | |
1da177e4 | 426 | /* ax25_std_in.c */ |
c1d8f804 | 427 | int ax25_std_frame_in(ax25_cb *, struct sk_buff *, int); |
1da177e4 LT |
428 | |
429 | /* ax25_std_subr.c */ | |
c1d8f804 JP |
430 | void ax25_std_nr_error_recovery(ax25_cb *); |
431 | void ax25_std_establish_data_link(ax25_cb *); | |
432 | void ax25_std_transmit_enquiry(ax25_cb *); | |
433 | void ax25_std_enquiry_response(ax25_cb *); | |
434 | void ax25_std_timeout_response(ax25_cb *); | |
1da177e4 LT |
435 | |
436 | /* ax25_std_timer.c */ | |
c1d8f804 JP |
437 | void ax25_std_heartbeat_expiry(ax25_cb *); |
438 | void ax25_std_t1timer_expiry(ax25_cb *); | |
439 | void ax25_std_t2timer_expiry(ax25_cb *); | |
440 | void ax25_std_t3timer_expiry(ax25_cb *); | |
441 | void ax25_std_idletimer_expiry(ax25_cb *); | |
1da177e4 LT |
442 | |
443 | /* ax25_subr.c */ | |
c1d8f804 JP |
444 | void ax25_clear_queues(ax25_cb *); |
445 | void ax25_frames_acked(ax25_cb *, unsigned short); | |
446 | void ax25_requeue_frames(ax25_cb *); | |
447 | int ax25_validate_nr(ax25_cb *, unsigned short); | |
448 | int ax25_decode(ax25_cb *, struct sk_buff *, int *, int *, int *); | |
449 | void ax25_send_control(ax25_cb *, int, int, int); | |
450 | void ax25_return_dm(struct net_device *, ax25_address *, ax25_address *, | |
451 | ax25_digi *); | |
452 | void ax25_calculate_t1(ax25_cb *); | |
453 | void ax25_calculate_rtt(ax25_cb *); | |
454 | void ax25_disconnect(ax25_cb *, int); | |
1da177e4 LT |
455 | |
456 | /* ax25_timer.c */ | |
c1d8f804 JP |
457 | void ax25_setup_timers(ax25_cb *); |
458 | void ax25_start_heartbeat(ax25_cb *); | |
459 | void ax25_start_t1timer(ax25_cb *); | |
460 | void ax25_start_t2timer(ax25_cb *); | |
461 | void ax25_start_t3timer(ax25_cb *); | |
462 | void ax25_start_idletimer(ax25_cb *); | |
463 | void ax25_stop_heartbeat(ax25_cb *); | |
464 | void ax25_stop_t1timer(ax25_cb *); | |
465 | void ax25_stop_t2timer(ax25_cb *); | |
466 | void ax25_stop_t3timer(ax25_cb *); | |
467 | void ax25_stop_idletimer(ax25_cb *); | |
468 | int ax25_t1timer_running(ax25_cb *); | |
469 | unsigned long ax25_display_timer(struct timer_list *); | |
1da177e4 LT |
470 | |
471 | /* ax25_uid.c */ | |
472 | extern int ax25_uid_policy; | |
c1d8f804 JP |
473 | ax25_uid_assoc *ax25_findbyuid(kuid_t); |
474 | int __must_check ax25_uid_ioctl(int, struct sockaddr_ax25 *); | |
fddda2b7 | 475 | extern const struct seq_operations ax25_uid_seqops; |
c1d8f804 | 476 | void ax25_uid_free(void); |
1da177e4 LT |
477 | |
478 | /* sysctl_net_ax25.c */ | |
479 | #ifdef CONFIG_SYSCTL | |
c1d8f804 JP |
480 | int ax25_register_dev_sysctl(ax25_dev *ax25_dev); |
481 | void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev); | |
1da177e4 | 482 | #else |
b9898507 EB |
483 | static inline int ax25_register_dev_sysctl(ax25_dev *ax25_dev) { return 0; } |
484 | static inline void ax25_unregister_dev_sysctl(ax25_dev *ax25_dev) {} | |
1da177e4 LT |
485 | #endif /* CONFIG_SYSCTL */ |
486 | ||
487 | #endif |