1 | /* |
2 | * |
3 | * Author Karsten Keil <kkeil@novell.com> |
4 | * |
5 | * Copyright 2008 by Karsten Keil <kkeil@novell.com> |
6 | * |
7 | * This code is free software; you can redistribute it and/or modify |
8 | * it under the terms of the GNU LESSER GENERAL PUBLIC LICENSE |
9 | * version 2.1 as published by the Free Software Foundation. |
10 | * |
11 | * This code is distributed in the hope that it will be useful, |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 | * GNU LESSER GENERAL PUBLIC LICENSE for more details. |
15 | * |
16 | */ |
17 | |
18 | #ifndef mISDNIF_H |
19 | #define mISDNIF_H |
20 | |
21 | #include <linux/types.h> |
22 | #include <linux/errno.h> |
23 | #include <linux/socket.h> |
24 | |
25 | /* |
26 | * ABI Version 32 bit |
27 | * |
28 | * <8 bit> Major version |
29 | * - changed if any interface become backwards incompatible |
30 | * |
31 | * <8 bit> Minor version |
32 | * - changed if any interface is extended but backwards compatible |
33 | * |
34 | * <16 bit> Release number |
35 | * - should be incremented on every checkin |
36 | */ |
37 | #define MISDN_MAJOR_VERSION 1 |
38 | #define MISDN_MINOR_VERSION 1 |
39 | #define MISDN_RELEASE 29 |
40 | |
41 | /* primitives for information exchange |
42 | * generell format |
43 | * <16 bit 0 > |
44 | * <8 bit command> |
45 | * BIT 8 = 1 LAYER private |
46 | * BIT 7 = 1 answer |
47 | * BIT 6 = 1 DATA |
48 | * <8 bit target layer mask> |
49 | * |
50 | * Layer = 00 is reserved for general commands |
51 | Layer = 01 L2 -> HW |
52 | Layer = 02 HW -> L2 |
53 | Layer = 04 L3 -> L2 |
54 | Layer = 08 L2 -> L3 |
55 | * Layer = FF is reserved for broadcast commands |
56 | */ |
57 | |
58 | #define MISDN_CMDMASK 0xff00 |
59 | #define MISDN_LAYERMASK 0x00ff |
60 | |
61 | /* generell commands */ |
62 | #define OPEN_CHANNEL 0x0100 |
63 | #define CLOSE_CHANNEL 0x0200 |
64 | #define CONTROL_CHANNEL 0x0300 |
65 | #define CHECK_DATA 0x0400 |
66 | |
67 | /* layer 2 -> layer 1 */ |
68 | #define PH_ACTIVATE_REQ 0x0101 |
69 | #define PH_DEACTIVATE_REQ 0x0201 |
70 | #define PH_DATA_REQ 0x2001 |
71 | #define MPH_ACTIVATE_REQ 0x0501 |
72 | #define MPH_DEACTIVATE_REQ 0x0601 |
73 | #define MPH_INFORMATION_REQ 0x0701 |
74 | #define PH_CONTROL_REQ 0x0801 |
75 | |
76 | /* layer 1 -> layer 2 */ |
77 | #define PH_ACTIVATE_IND 0x0102 |
78 | #define PH_ACTIVATE_CNF 0x4102 |
79 | #define PH_DEACTIVATE_IND 0x0202 |
80 | #define PH_DEACTIVATE_CNF 0x4202 |
81 | #define PH_DATA_IND 0x2002 |
82 | #define PH_DATA_E_IND 0x3002 |
83 | #define MPH_ACTIVATE_IND 0x0502 |
84 | #define MPH_DEACTIVATE_IND 0x0602 |
85 | #define MPH_INFORMATION_IND 0x0702 |
86 | #define PH_DATA_CNF 0x6002 |
87 | #define PH_CONTROL_IND 0x0802 |
88 | #define PH_CONTROL_CNF 0x4802 |
89 | |
90 | /* layer 3 -> layer 2 */ |
91 | #define DL_ESTABLISH_REQ 0x1004 |
92 | #define DL_RELEASE_REQ 0x1104 |
93 | #define DL_DATA_REQ 0x3004 |
94 | #define DL_UNITDATA_REQ 0x3104 |
95 | #define DL_INFORMATION_REQ 0x0004 |
96 | |
97 | /* layer 2 -> layer 3 */ |
98 | #define DL_ESTABLISH_IND 0x1008 |
99 | #define DL_ESTABLISH_CNF 0x5008 |
100 | #define DL_RELEASE_IND 0x1108 |
101 | #define DL_RELEASE_CNF 0x5108 |
102 | #define DL_DATA_IND 0x3008 |
103 | #define DL_UNITDATA_IND 0x3108 |
104 | #define DL_INFORMATION_IND 0x0008 |
105 | |
106 | /* intern layer 2 management */ |
107 | #define MDL_ASSIGN_REQ 0x1804 |
108 | #define MDL_ASSIGN_IND 0x1904 |
109 | #define MDL_REMOVE_REQ 0x1A04 |
110 | #define MDL_REMOVE_IND 0x1B04 |
111 | #define MDL_STATUS_UP_IND 0x1C04 |
112 | #define MDL_STATUS_DOWN_IND 0x1D04 |
113 | #define MDL_STATUS_UI_IND 0x1E04 |
114 | #define MDL_ERROR_IND 0x1F04 |
115 | #define MDL_ERROR_RSP 0x5F04 |
116 | |
117 | /* intern layer 2 */ |
118 | #define DL_TIMER200_IND 0x7004 |
119 | #define DL_TIMER203_IND 0x7304 |
120 | #define DL_INTERN_MSG 0x7804 |
121 | |
122 | /* DL_INFORMATION_IND types */ |
123 | #define DL_INFO_L2_CONNECT 0x0001 |
124 | #define DL_INFO_L2_REMOVED 0x0002 |
125 | |
126 | /* PH_CONTROL types */ |
127 | /* TOUCH TONE IS 0x20XX XX "0"..."9", "A","B","C","D","*","#" */ |
128 | #define DTMF_TONE_VAL 0x2000 |
129 | #define DTMF_TONE_MASK 0x007F |
130 | #define DTMF_TONE_START 0x2100 |
131 | #define DTMF_TONE_STOP 0x2200 |
132 | #define DTMF_HFC_COEF 0x4000 |
133 | #define DSP_CONF_JOIN 0x2403 |
134 | #define DSP_CONF_SPLIT 0x2404 |
135 | #define DSP_RECEIVE_OFF 0x2405 |
136 | #define DSP_RECEIVE_ON 0x2406 |
137 | #define DSP_ECHO_ON 0x2407 |
138 | #define DSP_ECHO_OFF 0x2408 |
139 | #define DSP_MIX_ON 0x2409 |
140 | #define DSP_MIX_OFF 0x240a |
141 | #define DSP_DELAY 0x240b |
142 | #define DSP_JITTER 0x240c |
143 | #define DSP_TXDATA_ON 0x240d |
144 | #define DSP_TXDATA_OFF 0x240e |
145 | #define DSP_TX_DEJITTER 0x240f |
146 | #define DSP_TX_DEJ_OFF 0x2410 |
147 | #define DSP_TONE_PATT_ON 0x2411 |
148 | #define DSP_TONE_PATT_OFF 0x2412 |
149 | #define DSP_VOL_CHANGE_TX 0x2413 |
150 | #define DSP_VOL_CHANGE_RX 0x2414 |
151 | #define DSP_BF_ENABLE_KEY 0x2415 |
152 | #define DSP_BF_DISABLE 0x2416 |
153 | #define DSP_BF_ACCEPT 0x2416 |
154 | #define DSP_BF_REJECT 0x2417 |
155 | #define DSP_PIPELINE_CFG 0x2418 |
156 | #define HFC_VOL_CHANGE_TX 0x2601 |
157 | #define HFC_VOL_CHANGE_RX 0x2602 |
158 | #define HFC_SPL_LOOP_ON 0x2603 |
159 | #define HFC_SPL_LOOP_OFF 0x2604 |
160 | /* for T30 FAX and analog modem */ |
161 | #define HW_MOD_FRM 0x4000 |
162 | #define HW_MOD_FRH 0x4001 |
163 | #define HW_MOD_FTM 0x4002 |
164 | #define HW_MOD_FTH 0x4003 |
165 | #define HW_MOD_FTS 0x4004 |
166 | #define HW_MOD_CONNECT 0x4010 |
167 | #define HW_MOD_OK 0x4011 |
168 | #define HW_MOD_NOCARR 0x4012 |
169 | #define HW_MOD_FCERROR 0x4013 |
170 | #define HW_MOD_READY 0x4014 |
171 | #define HW_MOD_LASTDATA 0x4015 |
172 | |
173 | /* DSP_TONE_PATT_ON parameter */ |
174 | #define TONE_OFF 0x0000 |
175 | #define TONE_GERMAN_DIALTONE 0x0001 |
176 | #define TONE_GERMAN_OLDDIALTONE 0x0002 |
177 | #define TONE_AMERICAN_DIALTONE 0x0003 |
178 | #define TONE_GERMAN_DIALPBX 0x0004 |
179 | #define TONE_GERMAN_OLDDIALPBX 0x0005 |
180 | #define TONE_AMERICAN_DIALPBX 0x0006 |
181 | #define TONE_GERMAN_RINGING 0x0007 |
182 | #define TONE_GERMAN_OLDRINGING 0x0008 |
183 | #define TONE_AMERICAN_RINGPBX 0x000b |
184 | #define TONE_GERMAN_RINGPBX 0x000c |
185 | #define TONE_GERMAN_OLDRINGPBX 0x000d |
186 | #define TONE_AMERICAN_RINGING 0x000e |
187 | #define TONE_GERMAN_BUSY 0x000f |
188 | #define TONE_GERMAN_OLDBUSY 0x0010 |
189 | #define TONE_AMERICAN_BUSY 0x0011 |
190 | #define TONE_GERMAN_HANGUP 0x0012 |
191 | #define TONE_GERMAN_OLDHANGUP 0x0013 |
192 | #define TONE_AMERICAN_HANGUP 0x0014 |
193 | #define TONE_SPECIAL_INFO 0x0015 |
194 | #define TONE_GERMAN_GASSENBESETZT 0x0016 |
195 | #define TONE_GERMAN_AUFSCHALTTON 0x0016 |
196 | |
197 | /* MPH_INFORMATION_IND */ |
198 | #define L1_SIGNAL_LOS_OFF 0x0010 |
199 | #define L1_SIGNAL_LOS_ON 0x0011 |
200 | #define L1_SIGNAL_AIS_OFF 0x0012 |
201 | #define L1_SIGNAL_AIS_ON 0x0013 |
202 | #define L1_SIGNAL_RDI_OFF 0x0014 |
203 | #define L1_SIGNAL_RDI_ON 0x0015 |
204 | #define L1_SIGNAL_SLIP_RX 0x0020 |
205 | #define L1_SIGNAL_SLIP_TX 0x0021 |
206 | |
207 | /* |
208 | * protocol ids |
209 | * D channel 1-31 |
210 | * B channel 33 - 63 |
211 | */ |
212 | |
213 | #define ISDN_P_NONE 0 |
214 | #define ISDN_P_BASE 0 |
215 | #define ISDN_P_TE_S0 0x01 |
216 | #define ISDN_P_NT_S0 0x02 |
217 | #define ISDN_P_TE_E1 0x03 |
218 | #define ISDN_P_NT_E1 0x04 |
219 | #define ISDN_P_TE_UP0 0x05 |
220 | #define ISDN_P_NT_UP0 0x06 |
221 | |
222 | #define IS_ISDN_P_TE(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_TE_E1) || \ |
223 | (p == ISDN_P_TE_UP0) || (p == ISDN_P_LAPD_TE)) |
224 | #define IS_ISDN_P_NT(p) ((p == ISDN_P_NT_S0) || (p == ISDN_P_NT_E1) || \ |
225 | (p == ISDN_P_NT_UP0) || (p == ISDN_P_LAPD_NT)) |
226 | #define IS_ISDN_P_S0(p) ((p == ISDN_P_TE_S0) || (p == ISDN_P_NT_S0)) |
227 | #define IS_ISDN_P_E1(p) ((p == ISDN_P_TE_E1) || (p == ISDN_P_NT_E1)) |
228 | #define IS_ISDN_P_UP0(p) ((p == ISDN_P_TE_UP0) || (p == ISDN_P_NT_UP0)) |
229 | |
230 | |
231 | #define ISDN_P_LAPD_TE 0x10 |
232 | #define ISDN_P_LAPD_NT 0x11 |
233 | |
234 | #define ISDN_P_B_MASK 0x1f |
235 | #define ISDN_P_B_START 0x20 |
236 | |
237 | #define ISDN_P_B_RAW 0x21 |
238 | #define ISDN_P_B_HDLC 0x22 |
239 | #define ISDN_P_B_X75SLP 0x23 |
240 | #define ISDN_P_B_L2DTMF 0x24 |
241 | #define ISDN_P_B_L2DSP 0x25 |
242 | #define ISDN_P_B_L2DSPHDLC 0x26 |
243 | #define ISDN_P_B_T30_FAX 0x27 |
244 | #define ISDN_P_B_MODEM_ASYNC 0x28 |
245 | |
246 | #define OPTION_L2_PMX 1 |
247 | #define OPTION_L2_PTP 2 |
248 | #define OPTION_L2_FIXEDTEI 3 |
249 | #define OPTION_L2_CLEANUP 4 |
250 | #define OPTION_L1_HOLD 5 |
251 | |
252 | /* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */ |
253 | #define MISDN_MAX_IDLEN 20 |
254 | |
255 | struct mISDNhead { |
256 | unsigned int prim; |
257 | unsigned int id; |
258 | } __packed; |
259 | |
260 | #define sizeof(struct mISDNhead) |
261 | #define MAX_DATA_SIZE 2048 |
262 | #define MAX_DATA_MEM (MAX_DATA_SIZE + MISDN_HEADER_LEN) |
263 | #define MAX_DFRAME_LEN 260 |
264 | |
265 | #define MISDN_ID_ADDR_MASK 0xFFFF |
266 | #define MISDN_ID_TEI_MASK 0xFF00 |
267 | #define MISDN_ID_SAPI_MASK 0x00FF |
268 | #define MISDN_ID_TEI_ANY 0x7F00 |
269 | |
270 | #define MISDN_ID_ANY 0xFFFF |
271 | #define MISDN_ID_NONE 0xFFFE |
272 | |
273 | #define GROUP_TEI 127 |
274 | #define TEI_SAPI 63 |
275 | #define CTRL_SAPI 0 |
276 | |
277 | #define MISDN_MAX_CHANNEL 127 |
278 | #define MISDN_CHMAP_SIZE ((MISDN_MAX_CHANNEL + 1) >> 3) |
279 | |
280 | #define SOL_MISDN 0 |
281 | |
282 | struct sockaddr_mISDN { |
283 | sa_family_t family; |
284 | unsigned char dev; |
285 | unsigned char channel; |
286 | unsigned char sapi; |
287 | unsigned char tei; |
288 | }; |
289 | |
290 | struct mISDNversion { |
291 | unsigned char major; |
292 | unsigned char minor; |
293 | unsigned short release; |
294 | }; |
295 | |
296 | struct mISDN_devinfo { |
297 | u_int id; |
298 | u_int Dprotocols; |
299 | u_int Bprotocols; |
300 | u_int protocol; |
301 | u_char channelmap[MISDN_CHMAP_SIZE]; |
302 | u_int nrbchan; |
303 | char name[MISDN_MAX_IDLEN]; |
304 | }; |
305 | |
306 | struct mISDN_devrename { |
307 | u_int id; |
308 | char name[MISDN_MAX_IDLEN]; /* new name */ |
309 | }; |
310 | |
311 | /* MPH_INFORMATION_REQ payload */ |
312 | struct ph_info_ch { |
313 | __u32 protocol; |
314 | __u64 Flags; |
315 | }; |
316 | |
317 | struct ph_info_dch { |
318 | struct ph_info_ch ch; |
319 | __u16 state; |
320 | __u16 num_bch; |
321 | }; |
322 | |
323 | struct ph_info { |
324 | struct ph_info_dch dch; |
325 | struct ph_info_ch bch[]; |
326 | }; |
327 | |
328 | /* timer device ioctl */ |
329 | #define IMADDTIMER _IOR('I', 64, int) |
330 | #define IMDELTIMER _IOR('I', 65, int) |
331 | |
332 | /* socket ioctls */ |
333 | #define IMGETVERSION _IOR('I', 66, int) |
334 | #define IMGETCOUNT _IOR('I', 67, int) |
335 | #define IMGETDEVINFO _IOR('I', 68, int) |
336 | #define IMCTRLREQ _IOR('I', 69, int) |
337 | #define IMCLEAR_L2 _IOR('I', 70, int) |
338 | #define IMSETDEVNAME _IOR('I', 71, struct mISDN_devrename) |
339 | #define IMHOLD_L1 _IOR('I', 72, int) |
340 | |
341 | static inline int |
342 | test_channelmap(u_int nr, u_char *map) |
343 | { |
344 | if (nr <= MISDN_MAX_CHANNEL) |
345 | return map[nr >> 3] & (1 << (nr & 7)); |
346 | else |
347 | return 0; |
348 | } |
349 | |
350 | static inline void |
351 | set_channelmap(u_int nr, u_char *map) |
352 | { |
353 | map[nr >> 3] |= (1 << (nr & 7)); |
354 | } |
355 | |
356 | static inline void |
357 | clear_channelmap(u_int nr, u_char *map) |
358 | { |
359 | map[nr >> 3] &= ~(1 << (nr & 7)); |
360 | } |
361 | |
362 | /* CONTROL_CHANNEL parameters */ |
363 | #define MISDN_CTRL_GETOP 0x0000 |
364 | #define MISDN_CTRL_LOOP 0x0001 |
365 | #define MISDN_CTRL_CONNECT 0x0002 |
366 | #define MISDN_CTRL_DISCONNECT 0x0004 |
367 | #define MISDN_CTRL_RX_BUFFER 0x0008 |
368 | #define MISDN_CTRL_PCMCONNECT 0x0010 |
369 | #define MISDN_CTRL_PCMDISCONNECT 0x0020 |
370 | #define MISDN_CTRL_SETPEER 0x0040 |
371 | #define MISDN_CTRL_UNSETPEER 0x0080 |
372 | #define MISDN_CTRL_RX_OFF 0x0100 |
373 | #define MISDN_CTRL_FILL_EMPTY 0x0200 |
374 | #define MISDN_CTRL_GETPEER 0x0400 |
375 | #define MISDN_CTRL_L1_TIMER3 0x0800 |
376 | #define MISDN_CTRL_HW_FEATURES_OP 0x2000 |
377 | #define MISDN_CTRL_HW_FEATURES 0x2001 |
378 | #define MISDN_CTRL_HFC_OP 0x4000 |
379 | #define MISDN_CTRL_HFC_PCM_CONN 0x4001 |
380 | #define MISDN_CTRL_HFC_PCM_DISC 0x4002 |
381 | #define MISDN_CTRL_HFC_CONF_JOIN 0x4003 |
382 | #define MISDN_CTRL_HFC_CONF_SPLIT 0x4004 |
383 | #define MISDN_CTRL_HFC_RECEIVE_OFF 0x4005 |
384 | #define MISDN_CTRL_HFC_RECEIVE_ON 0x4006 |
385 | #define MISDN_CTRL_HFC_ECHOCAN_ON 0x4007 |
386 | #define MISDN_CTRL_HFC_ECHOCAN_OFF 0x4008 |
387 | #define MISDN_CTRL_HFC_WD_INIT 0x4009 |
388 | #define MISDN_CTRL_HFC_WD_RESET 0x400A |
389 | |
390 | /* special RX buffer value for MISDN_CTRL_RX_BUFFER request.p1 is the minimum |
391 | * buffer size request.p2 the maximum. Using MISDN_CTRL_RX_SIZE_IGNORE will |
392 | * not change the value, but still read back the actual stetting. |
393 | */ |
394 | #define MISDN_CTRL_RX_SIZE_IGNORE -1 |
395 | |
396 | /* socket options */ |
397 | #define MISDN_TIME_STAMP 0x0001 |
398 | |
399 | struct mISDN_ctrl_req { |
400 | int op; |
401 | int channel; |
402 | int p1; |
403 | int p2; |
404 | }; |
405 | |
406 | /* muxer options */ |
407 | #define MISDN_OPT_ALL 1 |
408 | #define MISDN_OPT_TEIMGR 2 |
409 | |
410 | #ifdef __KERNEL__ |
411 | #include <linux/list.h> |
412 | #include <linux/skbuff.h> |
413 | #include <linux/net.h> |
414 | #include <net/sock.h> |
415 | #include <linux/completion.h> |
416 | |
417 | #define DEBUG_CORE 0x000000ff |
418 | #define DEBUG_CORE_FUNC 0x00000002 |
419 | #define DEBUG_SOCKET 0x00000004 |
420 | #define DEBUG_MANAGER 0x00000008 |
421 | #define DEBUG_SEND_ERR 0x00000010 |
422 | #define DEBUG_MSG_THREAD 0x00000020 |
423 | #define DEBUG_QUEUE_FUNC 0x00000040 |
424 | #define DEBUG_L1 0x0000ff00 |
425 | #define DEBUG_L1_FSM 0x00000200 |
426 | #define DEBUG_L2 0x00ff0000 |
427 | #define DEBUG_L2_FSM 0x00020000 |
428 | #define DEBUG_L2_CTRL 0x00040000 |
429 | #define DEBUG_L2_RECV 0x00080000 |
430 | #define DEBUG_L2_TEI 0x00100000 |
431 | #define DEBUG_L2_TEIFSM 0x00200000 |
432 | #define DEBUG_TIMER 0x01000000 |
433 | #define DEBUG_CLOCK 0x02000000 |
434 | |
435 | #define mISDN_HEAD_P(s) ((struct mISDNhead *)&s->cb[0]) |
436 | #define mISDN_HEAD_PRIM(s) (((struct mISDNhead *)&s->cb[0])->prim) |
437 | #define mISDN_HEAD_ID(s) (((struct mISDNhead *)&s->cb[0])->id) |
438 | |
439 | /* socket states */ |
440 | #define MISDN_OPEN 1 |
441 | #define MISDN_BOUND 2 |
442 | #define MISDN_CLOSED 3 |
443 | |
444 | struct mISDNchannel; |
445 | struct mISDNdevice; |
446 | struct mISDNstack; |
447 | struct mISDNclock; |
448 | |
449 | struct channel_req { |
450 | u_int protocol; |
451 | struct sockaddr_mISDN adr; |
452 | struct mISDNchannel *ch; |
453 | }; |
454 | |
455 | typedef int (ctrl_func_t)(struct mISDNchannel *, u_int, void *); |
456 | typedef int (send_func_t)(struct mISDNchannel *, struct sk_buff *); |
457 | typedef int (create_func_t)(struct channel_req *); |
458 | |
459 | struct Bprotocol { |
460 | struct list_head list; |
461 | char *name; |
462 | u_int Bprotocols; |
463 | create_func_t *create; |
464 | }; |
465 | |
466 | struct mISDNchannel { |
467 | struct list_head list; |
468 | u_int protocol; |
469 | u_int nr; |
470 | u_long opt; |
471 | u_int addr; |
472 | struct mISDNstack *st; |
473 | struct mISDNchannel *peer; |
474 | send_func_t *send; |
475 | send_func_t *recv; |
476 | ctrl_func_t *ctrl; |
477 | }; |
478 | |
479 | struct mISDN_sock_list { |
480 | struct hlist_head head; |
481 | rwlock_t lock; |
482 | }; |
483 | |
484 | struct mISDN_sock { |
485 | struct sock sk; |
486 | struct mISDNchannel ch; |
487 | u_int cmask; |
488 | struct mISDNdevice *dev; |
489 | }; |
490 | |
491 | |
492 | |
493 | struct mISDNdevice { |
494 | struct mISDNchannel D; |
495 | u_int id; |
496 | u_int Dprotocols; |
497 | u_int Bprotocols; |
498 | u_int nrbchan; |
499 | u_char channelmap[MISDN_CHMAP_SIZE]; |
500 | struct list_head bchannels; |
501 | struct mISDNchannel *teimgr; |
502 | struct device dev; |
503 | }; |
504 | |
505 | struct mISDNstack { |
506 | u_long status; |
507 | struct mISDNdevice *dev; |
508 | struct task_struct *thread; |
509 | struct completion *notify; |
510 | wait_queue_head_t workq; |
511 | struct sk_buff_head msgq; |
512 | struct list_head layer2; |
513 | struct mISDNchannel *layer1; |
514 | struct mISDNchannel own; |
515 | struct mutex lmutex; /* protect lists */ |
516 | struct mISDN_sock_list l1sock; |
517 | #ifdef MISDN_MSG_STATS |
518 | u_int msg_cnt; |
519 | u_int sleep_cnt; |
520 | u_int stopped_cnt; |
521 | #endif |
522 | }; |
523 | |
524 | typedef int (clockctl_func_t)(void *, int); |
525 | |
526 | struct mISDNclock { |
527 | struct list_head list; |
528 | char name[64]; |
529 | int pri; |
530 | clockctl_func_t *ctl; |
531 | void *priv; |
532 | }; |
533 | |
534 | /* global alloc/queue functions */ |
535 | |
536 | static inline struct sk_buff * |
537 | mI_alloc_skb(unsigned int len, gfp_t gfp_mask) |
538 | { |
539 | struct sk_buff *skb; |
540 | |
541 | skb = alloc_skb(size: len + MISDN_HEADER_LEN, priority: gfp_mask); |
542 | if (likely(skb)) |
543 | skb_reserve(skb, MISDN_HEADER_LEN); |
544 | return skb; |
545 | } |
546 | |
547 | static inline struct sk_buff * |
548 | _alloc_mISDN_skb(u_int prim, u_int id, u_int len, void *dp, gfp_t gfp_mask) |
549 | { |
550 | struct sk_buff *skb = mI_alloc_skb(len, gfp_mask); |
551 | struct mISDNhead *hh; |
552 | |
553 | if (!skb) |
554 | return NULL; |
555 | if (len) |
556 | skb_put_data(skb, data: dp, len); |
557 | hh = mISDN_HEAD_P(skb); |
558 | hh->prim = prim; |
559 | hh->id = id; |
560 | return skb; |
561 | } |
562 | |
563 | static inline void |
564 | _queue_data(struct mISDNchannel *ch, u_int prim, |
565 | u_int id, u_int len, void *dp, gfp_t gfp_mask) |
566 | { |
567 | struct sk_buff *skb; |
568 | |
569 | if (!ch->peer) |
570 | return; |
571 | skb = _alloc_mISDN_skb(prim, id, len, dp, gfp_mask); |
572 | if (!skb) |
573 | return; |
574 | if (ch->recv(ch->peer, skb)) |
575 | dev_kfree_skb(skb); |
576 | } |
577 | |
578 | /* global register/unregister functions */ |
579 | |
580 | extern int mISDN_register_device(struct mISDNdevice *, |
581 | struct device *parent, char *name); |
582 | extern void mISDN_unregister_device(struct mISDNdevice *); |
583 | extern int mISDN_register_Bprotocol(struct Bprotocol *); |
584 | extern void mISDN_unregister_Bprotocol(struct Bprotocol *); |
585 | extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *, |
586 | void *); |
587 | extern void mISDN_unregister_clock(struct mISDNclock *); |
588 | |
589 | static inline struct mISDNdevice *dev_to_mISDN(const struct device *dev) |
590 | { |
591 | if (dev) |
592 | return dev_get_drvdata(dev); |
593 | else |
594 | return NULL; |
595 | } |
596 | |
597 | extern void set_channel_address(struct mISDNchannel *, u_int, u_int); |
598 | extern void mISDN_clock_update(struct mISDNclock *, int, ktime_t *); |
599 | extern unsigned short mISDN_clock_get(void); |
600 | extern const char *mISDNDevName4ch(struct mISDNchannel *); |
601 | |
602 | #endif /* __KERNEL__ */ |
603 | #endif /* mISDNIF_H */ |
604 | |