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