xref: /linux-6.15/include/linux/isdn/capiutil.h (revision ba6e8564)
1 /* $Id: capiutil.h,v 1.5.6.2 2001/09/23 22:24:33 kai Exp $
2  *
3  * CAPI 2.0 defines & types
4  *
5  * From CAPI 2.0 Development Kit AVM 1995 (msg.c)
6  * Rewritten for Linux 1996 by Carsten Paeth <[email protected]>
7  *
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12 
13 #ifndef __CAPIUTIL_H__
14 #define __CAPIUTIL_H__
15 
16 #include <asm/types.h>
17 
18 #define CAPIMSG_BASELEN		8
19 #define CAPIMSG_U8(m, off)	(m[off])
20 #define CAPIMSG_U16(m, off)	(m[off]|(m[(off)+1]<<8))
21 #define CAPIMSG_U32(m, off)	(m[off]|(m[(off)+1]<<8)|(m[(off)+2]<<16)|(m[(off)+3]<<24))
22 #define	CAPIMSG_LEN(m)		CAPIMSG_U16(m,0)
23 #define	CAPIMSG_APPID(m)	CAPIMSG_U16(m,2)
24 #define	CAPIMSG_COMMAND(m)	CAPIMSG_U8(m,4)
25 #define	CAPIMSG_SUBCOMMAND(m)	CAPIMSG_U8(m,5)
26 #define CAPIMSG_CMD(m)		(((m[4])<<8)|(m[5]))
27 #define	CAPIMSG_MSGID(m)	CAPIMSG_U16(m,6)
28 #define CAPIMSG_CONTROLLER(m)	(m[8] & 0x7f)
29 #define CAPIMSG_CONTROL(m)	CAPIMSG_U32(m, 8)
30 #define CAPIMSG_NCCI(m)		CAPIMSG_CONTROL(m)
31 #define CAPIMSG_DATALEN(m)	CAPIMSG_U16(m,16) /* DATA_B3_REQ */
32 
33 static inline void capimsg_setu8(void *m, int off, __u8 val)
34 {
35 	((__u8 *)m)[off] = val;
36 }
37 
38 static inline void capimsg_setu16(void *m, int off, __u16 val)
39 {
40 	((__u8 *)m)[off] = val & 0xff;
41 	((__u8 *)m)[off+1] = (val >> 8) & 0xff;
42 }
43 
44 static inline void capimsg_setu32(void *m, int off, __u32 val)
45 {
46 	((__u8 *)m)[off] = val & 0xff;
47 	((__u8 *)m)[off+1] = (val >> 8) & 0xff;
48 	((__u8 *)m)[off+2] = (val >> 16) & 0xff;
49 	((__u8 *)m)[off+3] = (val >> 24) & 0xff;
50 }
51 
52 #define	CAPIMSG_SETLEN(m, len)		capimsg_setu16(m, 0, len)
53 #define	CAPIMSG_SETAPPID(m, applid)	capimsg_setu16(m, 2, applid)
54 #define	CAPIMSG_SETCOMMAND(m,cmd)	capimsg_setu8(m, 4, cmd)
55 #define	CAPIMSG_SETSUBCOMMAND(m, cmd)	capimsg_setu8(m, 5, cmd)
56 #define	CAPIMSG_SETMSGID(m, msgid)	capimsg_setu16(m, 6, msgid)
57 #define	CAPIMSG_SETCONTROL(m, contr)	capimsg_setu32(m, 8, contr)
58 #define	CAPIMSG_SETDATALEN(m, len)	capimsg_setu16(m, 16, len)
59 
60 /*----- basic-type definitions -----*/
61 
62 typedef __u8 *_cstruct;
63 
64 typedef enum {
65 	CAPI_COMPOSE,
66 	CAPI_DEFAULT
67 } _cmstruct;
68 
69 /*
70    The _cmsg structure contains all possible CAPI 2.0 parameter.
71    All parameters are stored here first. The function CAPI_CMSG_2_MESSAGE
72    assembles the parameter and builds CAPI2.0 conform messages.
73    CAPI_MESSAGE_2_CMSG disassembles CAPI 2.0 messages and stores the
74    parameter in the _cmsg structure
75  */
76 
77 typedef struct {
78 	/* Header */
79 	__u16 ApplId;
80 	__u8 Command;
81 	__u8 Subcommand;
82 	__u16 Messagenumber;
83 
84 	/* Parameter */
85 	union {
86 		__u32 adrController;
87 		__u32 adrPLCI;
88 		__u32 adrNCCI;
89 	} adr;
90 
91 	_cmstruct AdditionalInfo;
92 	_cstruct B1configuration;
93 	__u16 B1protocol;
94 	_cstruct B2configuration;
95 	__u16 B2protocol;
96 	_cstruct B3configuration;
97 	__u16 B3protocol;
98 	_cstruct BC;
99 	_cstruct BChannelinformation;
100 	_cmstruct BProtocol;
101 	_cstruct CalledPartyNumber;
102 	_cstruct CalledPartySubaddress;
103 	_cstruct CallingPartyNumber;
104 	_cstruct CallingPartySubaddress;
105 	__u32 CIPmask;
106 	__u32 CIPmask2;
107 	__u16 CIPValue;
108 	__u32 Class;
109 	_cstruct ConnectedNumber;
110 	_cstruct ConnectedSubaddress;
111 	__u32 Data;
112 	__u16 DataHandle;
113 	__u16 DataLength;
114 	_cstruct FacilityConfirmationParameter;
115 	_cstruct Facilitydataarray;
116 	_cstruct FacilityIndicationParameter;
117 	_cstruct FacilityRequestParameter;
118 	__u16 FacilitySelector;
119 	__u16 Flags;
120 	__u32 Function;
121 	_cstruct HLC;
122 	__u16 Info;
123 	_cstruct InfoElement;
124 	__u32 InfoMask;
125 	__u16 InfoNumber;
126 	_cstruct Keypadfacility;
127 	_cstruct LLC;
128 	_cstruct ManuData;
129 	__u32 ManuID;
130 	_cstruct NCPI;
131 	__u16 Reason;
132 	__u16 Reason_B3;
133 	__u16 Reject;
134 	_cstruct Useruserdata;
135 
136 	/* intern */
137 	unsigned l, p;
138 	unsigned char *par;
139 	__u8 *m;
140 
141 	/* buffer to construct message */
142 	__u8 buf[180];
143 
144 } _cmsg;
145 
146 /*
147  * capi_cmsg2message() assembles the parameter from _cmsg to a CAPI 2.0
148  * conform message
149  */
150 unsigned capi_cmsg2message(_cmsg * cmsg, __u8 * msg);
151 
152 /*
153  *  capi_message2cmsg disassembles a CAPI message an writes the parameter
154  *  into _cmsg for easy access
155  */
156 unsigned capi_message2cmsg(_cmsg * cmsg, __u8 * msg);
157 
158 /*
159  * capi_cmsg_header() fills the _cmsg structure with default values, so only
160  * parameter with non default values must be changed before sending the
161  * message.
162  */
163 unsigned capi_cmsg_header(_cmsg * cmsg, __u16 _ApplId,
164 			  __u8 _Command, __u8 _Subcommand,
165 			  __u16 _Messagenumber, __u32 _Controller);
166 
167 /*
168  * capi_info2str generated a readable string for Capi2.0 reasons.
169  */
170 char *capi_info2str(__u16 reason);
171 
172 /*-----------------------------------------------------------------------*/
173 
174 /*
175  * Debugging / Tracing functions
176  */
177 
178 char *capi_cmd2str(__u8 cmd, __u8 subcmd);
179 
180 typedef struct {
181 	u_char	*buf;
182 	u_char	*p;
183 	size_t	size;
184 	size_t	pos;
185 } _cdebbuf;
186 
187 #define	CDEBUG_SIZE	1024
188 #define	CDEBUG_GSIZE	4096
189 
190 _cdebbuf *cdebbuf_alloc(void);
191 void cdebbuf_free(_cdebbuf *cdb);
192 int cdebug_init(void);
193 void cdebug_exit(void);
194 
195 _cdebbuf *capi_cmsg2str(_cmsg *cmsg);
196 _cdebbuf *capi_message2str(__u8 *msg);
197 
198 /*-----------------------------------------------------------------------*/
199 
200 static inline void capi_cmsg_answer(_cmsg * cmsg)
201 {
202 	cmsg->Subcommand |= 0x01;
203 }
204 
205 /*-----------------------------------------------------------------------*/
206 
207 static inline void capi_fill_CONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
208 					    __u32 adr,
209 					    _cstruct NCPI)
210 {
211 	capi_cmsg_header(cmsg, ApplId, 0x82, 0x80, Messagenumber, adr);
212 	cmsg->NCPI = NCPI;
213 }
214 
215 static inline void capi_fill_FACILITY_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
216 					  __u32 adr,
217 					  __u16 FacilitySelector,
218 				       _cstruct FacilityRequestParameter)
219 {
220 	capi_cmsg_header(cmsg, ApplId, 0x80, 0x80, Messagenumber, adr);
221 	cmsg->FacilitySelector = FacilitySelector;
222 	cmsg->FacilityRequestParameter = FacilityRequestParameter;
223 }
224 
225 static inline void capi_fill_INFO_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
226 				      __u32 adr,
227 				      _cstruct CalledPartyNumber,
228 				      _cstruct BChannelinformation,
229 				      _cstruct Keypadfacility,
230 				      _cstruct Useruserdata,
231 				      _cstruct Facilitydataarray)
232 {
233 	capi_cmsg_header(cmsg, ApplId, 0x08, 0x80, Messagenumber, adr);
234 	cmsg->CalledPartyNumber = CalledPartyNumber;
235 	cmsg->BChannelinformation = BChannelinformation;
236 	cmsg->Keypadfacility = Keypadfacility;
237 	cmsg->Useruserdata = Useruserdata;
238 	cmsg->Facilitydataarray = Facilitydataarray;
239 }
240 
241 static inline void capi_fill_LISTEN_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
242 					__u32 adr,
243 					__u32 InfoMask,
244 					__u32 CIPmask,
245 					__u32 CIPmask2,
246 					_cstruct CallingPartyNumber,
247 					_cstruct CallingPartySubaddress)
248 {
249 	capi_cmsg_header(cmsg, ApplId, 0x05, 0x80, Messagenumber, adr);
250 	cmsg->InfoMask = InfoMask;
251 	cmsg->CIPmask = CIPmask;
252 	cmsg->CIPmask2 = CIPmask2;
253 	cmsg->CallingPartyNumber = CallingPartyNumber;
254 	cmsg->CallingPartySubaddress = CallingPartySubaddress;
255 }
256 
257 static inline void capi_fill_ALERT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
258 				       __u32 adr,
259 				       _cstruct BChannelinformation,
260 				       _cstruct Keypadfacility,
261 				       _cstruct Useruserdata,
262 				       _cstruct Facilitydataarray)
263 {
264 	capi_cmsg_header(cmsg, ApplId, 0x01, 0x80, Messagenumber, adr);
265 	cmsg->BChannelinformation = BChannelinformation;
266 	cmsg->Keypadfacility = Keypadfacility;
267 	cmsg->Useruserdata = Useruserdata;
268 	cmsg->Facilitydataarray = Facilitydataarray;
269 }
270 
271 static inline void capi_fill_CONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
272 					 __u32 adr,
273 					 __u16 CIPValue,
274 					 _cstruct CalledPartyNumber,
275 					 _cstruct CallingPartyNumber,
276 					 _cstruct CalledPartySubaddress,
277 					 _cstruct CallingPartySubaddress,
278 					 __u16 B1protocol,
279 					 __u16 B2protocol,
280 					 __u16 B3protocol,
281 					 _cstruct B1configuration,
282 					 _cstruct B2configuration,
283 					 _cstruct B3configuration,
284 					 _cstruct BC,
285 					 _cstruct LLC,
286 					 _cstruct HLC,
287 					 _cstruct BChannelinformation,
288 					 _cstruct Keypadfacility,
289 					 _cstruct Useruserdata,
290 					 _cstruct Facilitydataarray)
291 {
292 
293 	capi_cmsg_header(cmsg, ApplId, 0x02, 0x80, Messagenumber, adr);
294 	cmsg->CIPValue = CIPValue;
295 	cmsg->CalledPartyNumber = CalledPartyNumber;
296 	cmsg->CallingPartyNumber = CallingPartyNumber;
297 	cmsg->CalledPartySubaddress = CalledPartySubaddress;
298 	cmsg->CallingPartySubaddress = CallingPartySubaddress;
299 	cmsg->B1protocol = B1protocol;
300 	cmsg->B2protocol = B2protocol;
301 	cmsg->B3protocol = B3protocol;
302 	cmsg->B1configuration = B1configuration;
303 	cmsg->B2configuration = B2configuration;
304 	cmsg->B3configuration = B3configuration;
305 	cmsg->BC = BC;
306 	cmsg->LLC = LLC;
307 	cmsg->HLC = HLC;
308 	cmsg->BChannelinformation = BChannelinformation;
309 	cmsg->Keypadfacility = Keypadfacility;
310 	cmsg->Useruserdata = Useruserdata;
311 	cmsg->Facilitydataarray = Facilitydataarray;
312 }
313 
314 static inline void capi_fill_DATA_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
315 					 __u32 adr,
316 					 __u32 Data,
317 					 __u16 DataLength,
318 					 __u16 DataHandle,
319 					 __u16 Flags)
320 {
321 
322 	capi_cmsg_header(cmsg, ApplId, 0x86, 0x80, Messagenumber, adr);
323 	cmsg->Data = Data;
324 	cmsg->DataLength = DataLength;
325 	cmsg->DataHandle = DataHandle;
326 	cmsg->Flags = Flags;
327 }
328 
329 static inline void capi_fill_DISCONNECT_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
330 					    __u32 adr,
331 					    _cstruct BChannelinformation,
332 					    _cstruct Keypadfacility,
333 					    _cstruct Useruserdata,
334 					    _cstruct Facilitydataarray)
335 {
336 
337 	capi_cmsg_header(cmsg, ApplId, 0x04, 0x80, Messagenumber, adr);
338 	cmsg->BChannelinformation = BChannelinformation;
339 	cmsg->Keypadfacility = Keypadfacility;
340 	cmsg->Useruserdata = Useruserdata;
341 	cmsg->Facilitydataarray = Facilitydataarray;
342 }
343 
344 static inline void capi_fill_DISCONNECT_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
345 					       __u32 adr,
346 					       _cstruct NCPI)
347 {
348 
349 	capi_cmsg_header(cmsg, ApplId, 0x84, 0x80, Messagenumber, adr);
350 	cmsg->NCPI = NCPI;
351 }
352 
353 static inline void capi_fill_MANUFACTURER_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
354 					      __u32 adr,
355 					      __u32 ManuID,
356 					      __u32 Class,
357 					      __u32 Function,
358 					      _cstruct ManuData)
359 {
360 
361 	capi_cmsg_header(cmsg, ApplId, 0xff, 0x80, Messagenumber, adr);
362 	cmsg->ManuID = ManuID;
363 	cmsg->Class = Class;
364 	cmsg->Function = Function;
365 	cmsg->ManuData = ManuData;
366 }
367 
368 static inline void capi_fill_RESET_B3_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
369 					  __u32 adr,
370 					  _cstruct NCPI)
371 {
372 
373 	capi_cmsg_header(cmsg, ApplId, 0x87, 0x80, Messagenumber, adr);
374 	cmsg->NCPI = NCPI;
375 }
376 
377 static inline void capi_fill_SELECT_B_PROTOCOL_REQ(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
378 						   __u32 adr,
379 						   __u16 B1protocol,
380 						   __u16 B2protocol,
381 						   __u16 B3protocol,
382 						_cstruct B1configuration,
383 						_cstruct B2configuration,
384 						_cstruct B3configuration)
385 {
386 
387 	capi_cmsg_header(cmsg, ApplId, 0x41, 0x80, Messagenumber, adr);
388 	cmsg->B1protocol = B1protocol;
389 	cmsg->B2protocol = B2protocol;
390 	cmsg->B3protocol = B3protocol;
391 	cmsg->B1configuration = B1configuration;
392 	cmsg->B2configuration = B2configuration;
393 	cmsg->B3configuration = B3configuration;
394 }
395 
396 static inline void capi_fill_CONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
397 					  __u32 adr,
398 					  __u16 Reject,
399 					  __u16 B1protocol,
400 					  __u16 B2protocol,
401 					  __u16 B3protocol,
402 					  _cstruct B1configuration,
403 					  _cstruct B2configuration,
404 					  _cstruct B3configuration,
405 					  _cstruct ConnectedNumber,
406 					  _cstruct ConnectedSubaddress,
407 					  _cstruct LLC,
408 					  _cstruct BChannelinformation,
409 					  _cstruct Keypadfacility,
410 					  _cstruct Useruserdata,
411 					  _cstruct Facilitydataarray)
412 {
413 	capi_cmsg_header(cmsg, ApplId, 0x02, 0x83, Messagenumber, adr);
414 	cmsg->Reject = Reject;
415 	cmsg->B1protocol = B1protocol;
416 	cmsg->B2protocol = B2protocol;
417 	cmsg->B3protocol = B3protocol;
418 	cmsg->B1configuration = B1configuration;
419 	cmsg->B2configuration = B2configuration;
420 	cmsg->B3configuration = B3configuration;
421 	cmsg->ConnectedNumber = ConnectedNumber;
422 	cmsg->ConnectedSubaddress = ConnectedSubaddress;
423 	cmsg->LLC = LLC;
424 	cmsg->BChannelinformation = BChannelinformation;
425 	cmsg->Keypadfacility = Keypadfacility;
426 	cmsg->Useruserdata = Useruserdata;
427 	cmsg->Facilitydataarray = Facilitydataarray;
428 }
429 
430 static inline void capi_fill_CONNECT_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
431 						 __u32 adr)
432 {
433 
434 	capi_cmsg_header(cmsg, ApplId, 0x03, 0x83, Messagenumber, adr);
435 }
436 
437 static inline void capi_fill_CONNECT_B3_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
438 						    __u32 adr)
439 {
440 
441 	capi_cmsg_header(cmsg, ApplId, 0x83, 0x83, Messagenumber, adr);
442 }
443 
444 static inline void capi_fill_CONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
445 					     __u32 adr,
446 					     __u16 Reject,
447 					     _cstruct NCPI)
448 {
449 	capi_cmsg_header(cmsg, ApplId, 0x82, 0x83, Messagenumber, adr);
450 	cmsg->Reject = Reject;
451 	cmsg->NCPI = NCPI;
452 }
453 
454 static inline void capi_fill_CONNECT_B3_T90_ACTIVE_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
455 							__u32 adr)
456 {
457 
458 	capi_cmsg_header(cmsg, ApplId, 0x88, 0x83, Messagenumber, adr);
459 }
460 
461 static inline void capi_fill_DATA_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
462 					  __u32 adr,
463 					  __u16 DataHandle)
464 {
465 
466 	capi_cmsg_header(cmsg, ApplId, 0x86, 0x83, Messagenumber, adr);
467 	cmsg->DataHandle = DataHandle;
468 }
469 
470 static inline void capi_fill_DISCONNECT_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
471 						__u32 adr)
472 {
473 
474 	capi_cmsg_header(cmsg, ApplId, 0x84, 0x83, Messagenumber, adr);
475 }
476 
477 static inline void capi_fill_DISCONNECT_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
478 					     __u32 adr)
479 {
480 
481 	capi_cmsg_header(cmsg, ApplId, 0x04, 0x83, Messagenumber, adr);
482 }
483 
484 static inline void capi_fill_FACILITY_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
485 					   __u32 adr,
486 					   __u16 FacilitySelector)
487 {
488 
489 	capi_cmsg_header(cmsg, ApplId, 0x80, 0x83, Messagenumber, adr);
490 	cmsg->FacilitySelector = FacilitySelector;
491 }
492 
493 static inline void capi_fill_INFO_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
494 				       __u32 adr)
495 {
496 
497 	capi_cmsg_header(cmsg, ApplId, 0x08, 0x83, Messagenumber, adr);
498 }
499 
500 static inline void capi_fill_MANUFACTURER_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
501 					       __u32 adr,
502 					       __u32 ManuID,
503 					       __u32 Class,
504 					       __u32 Function,
505 					       _cstruct ManuData)
506 {
507 
508 	capi_cmsg_header(cmsg, ApplId, 0xff, 0x83, Messagenumber, adr);
509 	cmsg->ManuID = ManuID;
510 	cmsg->Class = Class;
511 	cmsg->Function = Function;
512 	cmsg->ManuData = ManuData;
513 }
514 
515 static inline void capi_fill_RESET_B3_RESP(_cmsg * cmsg, __u16 ApplId, __u16 Messagenumber,
516 					   __u32 adr)
517 {
518 
519 	capi_cmsg_header(cmsg, ApplId, 0x87, 0x83, Messagenumber, adr);
520 }
521 
522 #endif				/* __CAPIUTIL_H__ */
523