3 * Author Karsten Keil <kkeil@novell.com>
5 * Copyright 2008 by Karsten Keil <kkeil@novell.com>
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.
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.
22 #include <linux/types.h>
23 #include <linux/errno.h>
24 #include <linux/socket.h>
29 * <8 bit> Major version
30 * - changed if any interface become backwards incompatible
32 * <8 bit> Minor version
33 * - changed if any interface is extended but backwards compatible
35 * <16 bit> Release number
36 * - should be incremented on every checkin
38 #define MISDN_MAJOR_VERSION 1
39 #define MISDN_MINOR_VERSION 1
40 #define MISDN_RELEASE 20
42 /* primitives for information exchange
46 * BIT 8 = 1 LAYER private
49 * <8 bit target layer mask>
51 * Layer = 00 is reserved for general commands
56 * Layer = FF is reserved for broadcast commands
59 #define MISDN_CMDMASK 0xff00
60 #define MISDN_LAYERMASK 0x00ff
62 /* generell commands */
63 #define OPEN_CHANNEL 0x0100
64 #define CLOSE_CHANNEL 0x0200
65 #define CONTROL_CHANNEL 0x0300
66 #define CHECK_DATA 0x0400
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
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
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
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
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
118 /* DL_INFORMATION_IND types */
119 #define DL_INFO_L2_CONNECT 0x0001
120 #define DL_INFO_L2_REMOVED 0x0002
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
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
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
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
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))
215 #define ISDN_P_LAPD_TE 0x10
216 #define ISDN_P_LAPD_NT 0x11
218 #define ISDN_P_B_MASK 0x1f
219 #define ISDN_P_B_START 0x20
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
228 #define OPTION_L2_PMX 1
229 #define OPTION_L2_PTP 2
230 #define OPTION_L2_FIXEDTEI 3
231 #define OPTION_L2_CLEANUP 4
233 /* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */
234 #define MISDN_MAX_IDLEN 20
239 } __attribute__((packed));
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
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
251 #define MISDN_ID_ANY 0xFFFF
252 #define MISDN_ID_NONE 0xFFFE
254 #define GROUP_TEI 127
258 #define MISDN_MAX_CHANNEL 127
259 #define MISDN_CHMAP_SIZE ((MISDN_MAX_CHANNEL + 1) >> 3)
263 struct sockaddr_mISDN {
266 unsigned char channel;
271 struct mISDNversion {
274 unsigned short release;
277 struct mISDN_devinfo {
282 u_char channelmap[MISDN_CHMAP_SIZE];
284 char name[MISDN_MAX_IDLEN];
287 struct mISDN_devrename {
289 char name[MISDN_MAX_IDLEN]; /* new name */
292 /* MPH_INFORMATION_REQ payload */
299 struct ph_info_ch ch;
305 struct ph_info_dch dch;
306 struct ph_info_ch bch[];
309 /* timer device ioctl */
310 #define IMADDTIMER _IOR('I', 64, int)
311 #define IMDELTIMER _IOR('I', 65, int)
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)
322 test_channelmap(u_int nr, u_char *map)
324 if (nr <= MISDN_MAX_CHANNEL)
325 return map[nr >> 3] & (1 << (nr & 7));
331 set_channelmap(u_int nr, u_char *map)
333 map[nr >> 3] |= (1 << (nr & 7));
337 clear_channelmap(u_int nr, u_char *map)
339 map[nr >> 3] &= ~(1 << (nr & 7));
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
368 #define MISDN_TIME_STAMP 0x0001
370 struct mISDN_ctrl_req {
378 #define MISDN_OPT_ALL 1
379 #define MISDN_OPT_TEIMGR 2
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>
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
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)
412 #define MISDN_BOUND 2
413 #define MISDN_CLOSED 3
422 struct sockaddr_mISDN adr;
423 struct mISDNchannel *ch;
426 typedef int (ctrl_func_t)(struct mISDNchannel *, u_int, void *);
427 typedef int (send_func_t)(struct mISDNchannel *, struct sk_buff *);
428 typedef int (create_func_t)(struct channel_req *);
431 struct list_head list;
434 create_func_t *create;
437 struct mISDNchannel {
438 struct list_head list;
443 struct mISDNstack *st;
444 struct mISDNchannel *peer;
450 struct mISDN_sock_list {
451 struct hlist_head head;
457 struct mISDNchannel ch;
459 struct mISDNdevice *dev;
465 struct mISDNchannel D;
470 u_char channelmap[MISDN_CHMAP_SIZE];
471 struct list_head bchannels;
472 struct mISDNchannel *teimgr;
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
495 typedef int (clockctl_func_t)(void *, int);
498 struct list_head list;
501 clockctl_func_t *ctl;
505 /* global alloc/queue functions */
507 static inline struct sk_buff *
508 mI_alloc_skb(unsigned int len, gfp_t gfp_mask)
512 skb = alloc_skb(len + MISDN_HEADER_LEN, gfp_mask);
514 skb_reserve(skb, MISDN_HEADER_LEN);
518 static inline struct sk_buff *
519 _alloc_mISDN_skb(u_int prim, u_int id, u_int len, void *dp, gfp_t gfp_mask)
521 struct sk_buff *skb = mI_alloc_skb(len, gfp_mask);
522 struct mISDNhead *hh;
527 memcpy(skb_put(skb, len), dp, len);
528 hh = mISDN_HEAD_P(skb);
535 _queue_data(struct mISDNchannel *ch, u_int prim,
536 u_int id, u_int len, void *dp, gfp_t gfp_mask)
542 skb = _alloc_mISDN_skb(prim, id, len, dp, gfp_mask);
545 if (ch->recv(ch->peer, skb))
549 /* global register/unregister functions */
551 extern int mISDN_register_device(struct mISDNdevice *,
552 struct device *parent, char *name);
553 extern void mISDN_unregister_device(struct mISDNdevice *);
554 extern int mISDN_register_Bprotocol(struct Bprotocol *);
555 extern void mISDN_unregister_Bprotocol(struct Bprotocol *);
556 extern struct mISDNclock *mISDN_register_clock(char *, int, clockctl_func_t *,
558 extern void mISDN_unregister_clock(struct mISDNclock *);
560 static inline struct mISDNdevice *dev_to_mISDN(struct device *dev)
562 return dev_get_drvdata(dev);
565 extern void set_channel_address(struct mISDNchannel *, u_int, u_int);
566 extern void mISDN_clock_update(struct mISDNclock *, int, struct timeval *);
567 extern unsigned short mISDN_clock_get(void);
569 #endif /* __KERNEL__ */
570 #endif /* mISDNIF_H */