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authorKarsten Keil <kkeil@suse.de>2008-07-26 19:54:58 -0400
committerKarsten Keil <kkeil@suse.de>2008-07-26 19:54:58 -0400
commit1b2b03f8e514e4f68e293846ba511a948b80243c (patch)
tree5ffb07d532afca95170ea0615bb74af78b0d0483 /include/linux
parent04578dd330f1ec6bc9c4233833bee0d0ca73ff09 (diff)
Add mISDN core files
Add mISDN core files Signed-off-by: Karsten Keil <kkeil@suse.de>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mISDNhw.h193
-rw-r--r--include/linux/mISDNif.h487
2 files changed, 680 insertions, 0 deletions
diff --git a/include/linux/mISDNhw.h b/include/linux/mISDNhw.h
new file mode 100644
index 000000000000..e794dfb87504
--- /dev/null
+++ b/include/linux/mISDNhw.h
@@ -0,0 +1,193 @@
1/*
2 *
3 * Author Karsten Keil <kkeil@novell.com>
4 *
5 * Basic declarations for the mISDN HW channels
6 *
7 * Copyright 2008 by Karsten Keil <kkeil@novell.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 */
19
20#ifndef MISDNHW_H
21#define MISDNHW_H
22#include <linux/mISDNif.h>
23#include <linux/timer.h>
24
25/*
26 * HW DEBUG 0xHHHHGGGG
27 * H - hardware driver specific bits
28 * G - for all drivers
29 */
30
31#define DEBUG_HW 0x00000001
32#define DEBUG_HW_OPEN 0x00000002
33#define DEBUG_HW_DCHANNEL 0x00000100
34#define DEBUG_HW_DFIFO 0x00000200
35#define DEBUG_HW_BCHANNEL 0x00001000
36#define DEBUG_HW_BFIFO 0x00002000
37
38#define MAX_DFRAME_LEN_L1 300
39#define MAX_MON_FRAME 32
40#define MAX_LOG_SPACE 2048
41#define MISDN_COPY_SIZE 32
42
43/* channel->Flags bit field */
44#define FLG_TX_BUSY 0 /* tx_buf in use */
45#define FLG_TX_NEXT 1 /* next_skb in use */
46#define FLG_L1_BUSY 2 /* L1 is permanent busy */
47#define FLG_L2_ACTIVATED 3 /* activated from L2 */
48#define FLG_OPEN 5 /* channel is in use */
49#define FLG_ACTIVE 6 /* channel is activated */
50#define FLG_BUSY_TIMER 7
51/* channel type */
52#define FLG_DCHANNEL 8 /* channel is D-channel */
53#define FLG_BCHANNEL 9 /* channel is B-channel */
54#define FLG_ECHANNEL 10 /* channel is E-channel */
55#define FLG_TRANSPARENT 12 /* channel use transparent data */
56#define FLG_HDLC 13 /* channel use hdlc data */
57#define FLG_L2DATA 14 /* channel use L2 DATA primitivs */
58#define FLG_ORIGIN 15 /* channel is on origin site */
59/* channel specific stuff */
60/* arcofi specific */
61#define FLG_ARCOFI_TIMER 16
62#define FLG_ARCOFI_ERROR 17
63/* isar specific */
64#define FLG_INITIALIZED 16
65#define FLG_DLEETX 17
66#define FLG_LASTDLE 18
67#define FLG_FIRST 19
68#define FLG_LASTDATA 20
69#define FLG_NMD_DATA 21
70#define FLG_FTI_RUN 22
71#define FLG_LL_OK 23
72#define FLG_LL_CONN 24
73#define FLG_DTMFSEND 25
74
75/* workq events */
76#define FLG_RECVQUEUE 30
77#define FLG_PHCHANGE 31
78
79#define schedule_event(s, ev) do { \
80 test_and_set_bit(ev, &((s)->Flags)); \
81 schedule_work(&((s)->workq)); \
82 } while (0)
83
84struct dchannel {
85 struct mISDNdevice dev;
86 u_long Flags;
87 struct work_struct workq;
88 void (*phfunc) (struct dchannel *);
89 u_int state;
90 void *l1;
91 /* HW access */
92 u_char (*read_reg) (void *, u_char);
93 void (*write_reg) (void *, u_char, u_char);
94 void (*read_fifo) (void *, u_char *, int);
95 void (*write_fifo) (void *, u_char *, int);
96 void *hw;
97 int slot; /* multiport card channel slot */
98 struct timer_list timer;
99 /* receive data */
100 struct sk_buff *rx_skb;
101 int maxlen;
102 /* send data */
103 struct sk_buff_head squeue;
104 struct sk_buff_head rqueue;
105 struct sk_buff *tx_skb;
106 int tx_idx;
107 int debug;
108 /* statistics */
109 int err_crc;
110 int err_tx;
111 int err_rx;
112};
113
114typedef int (dchannel_l1callback)(struct dchannel *, u_int);
115extern int create_l1(struct dchannel *, dchannel_l1callback *);
116
117/* private L1 commands */
118#define INFO0 0x8002
119#define INFO1 0x8102
120#define INFO2 0x8202
121#define INFO3_P8 0x8302
122#define INFO3_P10 0x8402
123#define INFO4_P8 0x8502
124#define INFO4_P10 0x8602
125#define LOSTFRAMING 0x8702
126#define ANYSIGNAL 0x8802
127#define HW_POWERDOWN 0x8902
128#define HW_RESET_REQ 0x8a02
129#define HW_POWERUP_REQ 0x8b02
130#define HW_DEACT_REQ 0x8c02
131#define HW_ACTIVATE_REQ 0x8e02
132#define HW_D_NOBLOCKED 0x8f02
133#define HW_RESET_IND 0x9002
134#define HW_POWERUP_IND 0x9102
135#define HW_DEACT_IND 0x9202
136#define HW_ACTIVATE_IND 0x9302
137#define HW_DEACT_CNF 0x9402
138#define HW_TESTLOOP 0x9502
139#define HW_TESTRX_RAW 0x9602
140#define HW_TESTRX_HDLC 0x9702
141#define HW_TESTRX_OFF 0x9802
142
143struct layer1;
144extern int l1_event(struct layer1 *, u_int);
145
146
147struct bchannel {
148 struct mISDNchannel ch;
149 int nr;
150 u_long Flags;
151 struct work_struct workq;
152 u_int state;
153 /* HW access */
154 u_char (*read_reg) (void *, u_char);
155 void (*write_reg) (void *, u_char, u_char);
156 void (*read_fifo) (void *, u_char *, int);
157 void (*write_fifo) (void *, u_char *, int);
158 void *hw;
159 int slot; /* multiport card channel slot */
160 struct timer_list timer;
161 /* receive data */
162 struct sk_buff *rx_skb;
163 int maxlen;
164 /* send data */
165 struct sk_buff *next_skb;
166 struct sk_buff *tx_skb;
167 struct sk_buff_head rqueue;
168 int rcount;
169 int tx_idx;
170 int debug;
171 /* statistics */
172 int err_crc;
173 int err_tx;
174 int err_rx;
175};
176
177extern int mISDN_initdchannel(struct dchannel *, int, void *);
178extern int mISDN_initbchannel(struct bchannel *, int);
179extern int mISDN_freedchannel(struct dchannel *);
180extern int mISDN_freebchannel(struct bchannel *);
181extern void queue_ch_frame(struct mISDNchannel *, u_int,
182 int, struct sk_buff *);
183extern int dchannel_senddata(struct dchannel *, struct sk_buff *);
184extern int bchannel_senddata(struct bchannel *, struct sk_buff *);
185extern void recv_Dchannel(struct dchannel *);
186extern void recv_Bchannel(struct bchannel *);
187extern void recv_Dchannel_skb(struct dchannel *, struct sk_buff *);
188extern void recv_Bchannel_skb(struct bchannel *, struct sk_buff *);
189extern void confirm_Bsend(struct bchannel *bch);
190extern int get_next_bframe(struct bchannel *);
191extern int get_next_dframe(struct dchannel *);
192
193#endif
diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h
new file mode 100644
index 000000000000..5c948f337817
--- /dev/null
+++ b/include/linux/mISDNif.h
@@ -0,0 +1,487 @@
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 0
40#define MISDN_RELEASE 18
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 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 managment */
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/* DL_INFORMATION_IND types */
118#define DL_INFO_L2_CONNECT 0x0001
119#define DL_INFO_L2_REMOVED 0x0002
120
121/* PH_CONTROL types */
122/* TOUCH TONE IS 0x20XX XX "0"..."9", "A","B","C","D","*","#" */
123#define DTMF_TONE_VAL 0x2000
124#define DTMF_TONE_MASK 0x007F
125#define DTMF_TONE_START 0x2100
126#define DTMF_TONE_STOP 0x2200
127#define DTMF_HFC_COEF 0x4000
128#define DSP_CONF_JOIN 0x2403
129#define DSP_CONF_SPLIT 0x2404
130#define DSP_RECEIVE_OFF 0x2405
131#define DSP_RECEIVE_ON 0x2406
132#define DSP_ECHO_ON 0x2407
133#define DSP_ECHO_OFF 0x2408
134#define DSP_MIX_ON 0x2409
135#define DSP_MIX_OFF 0x240a
136#define DSP_DELAY 0x240b
137#define DSP_JITTER 0x240c
138#define DSP_TXDATA_ON 0x240d
139#define DSP_TXDATA_OFF 0x240e
140#define DSP_TX_DEJITTER 0x240f
141#define DSP_TX_DEJ_OFF 0x2410
142#define DSP_TONE_PATT_ON 0x2411
143#define DSP_TONE_PATT_OFF 0x2412
144#define DSP_VOL_CHANGE_TX 0x2413
145#define DSP_VOL_CHANGE_RX 0x2414
146#define DSP_BF_ENABLE_KEY 0x2415
147#define DSP_BF_DISABLE 0x2416
148#define DSP_BF_ACCEPT 0x2416
149#define DSP_BF_REJECT 0x2417
150#define DSP_PIPELINE_CFG 0x2418
151#define HFC_VOL_CHANGE_TX 0x2601
152#define HFC_VOL_CHANGE_RX 0x2602
153#define HFC_SPL_LOOP_ON 0x2603
154#define HFC_SPL_LOOP_OFF 0x2604
155
156/* DSP_TONE_PATT_ON parameter */
157#define TONE_OFF 0x0000
158#define TONE_GERMAN_DIALTONE 0x0001
159#define TONE_GERMAN_OLDDIALTONE 0x0002
160#define TONE_AMERICAN_DIALTONE 0x0003
161#define TONE_GERMAN_DIALPBX 0x0004
162#define TONE_GERMAN_OLDDIALPBX 0x0005
163#define TONE_AMERICAN_DIALPBX 0x0006
164#define TONE_GERMAN_RINGING 0x0007
165#define TONE_GERMAN_OLDRINGING 0x0008
166#define TONE_AMERICAN_RINGPBX 0x000b
167#define TONE_GERMAN_RINGPBX 0x000c
168#define TONE_GERMAN_OLDRINGPBX 0x000d
169#define TONE_AMERICAN_RINGING 0x000e
170#define TONE_GERMAN_BUSY 0x000f
171#define TONE_GERMAN_OLDBUSY 0x0010
172#define TONE_AMERICAN_BUSY 0x0011
173#define TONE_GERMAN_HANGUP 0x0012
174#define TONE_GERMAN_OLDHANGUP 0x0013
175#define TONE_AMERICAN_HANGUP 0x0014
176#define TONE_SPECIAL_INFO 0x0015
177#define TONE_GERMAN_GASSENBESETZT 0x0016
178#define TONE_GERMAN_AUFSCHALTTON 0x0016
179
180/* MPH_INFORMATION_IND */
181#define L1_SIGNAL_LOS_OFF 0x0010
182#define L1_SIGNAL_LOS_ON 0x0011
183#define L1_SIGNAL_AIS_OFF 0x0012
184#define L1_SIGNAL_AIS_ON 0x0013
185#define L1_SIGNAL_RDI_OFF 0x0014
186#define L1_SIGNAL_RDI_ON 0x0015
187#define L1_SIGNAL_SLIP_RX 0x0020
188#define L1_SIGNAL_SLIP_TX 0x0021
189
190/*
191 * protocol ids
192 * D channel 1-31
193 * B channel 33 - 63
194 */
195
196#define ISDN_P_NONE 0
197#define ISDN_P_BASE 0
198#define ISDN_P_TE_S0 0x01
199#define ISDN_P_NT_S0 0x02
200#define ISDN_P_TE_E1 0x03
201#define ISDN_P_NT_E1 0x04
202#define ISDN_P_LAPD_TE 0x10
203#define ISDN_P_LAPD_NT 0x11
204
205#define ISDN_P_B_MASK 0x1f
206#define ISDN_P_B_START 0x20
207
208#define ISDN_P_B_RAW 0x21
209#define ISDN_P_B_HDLC 0x22
210#define ISDN_P_B_X75SLP 0x23
211#define ISDN_P_B_L2DTMF 0x24
212#define ISDN_P_B_L2DSP 0x25
213#define ISDN_P_B_L2DSPHDLC 0x26
214
215#define OPTION_L2_PMX 1
216#define OPTION_L2_PTP 2
217#define OPTION_L2_FIXEDTEI 3
218#define OPTION_L2_CLEANUP 4
219
220/* should be in sync with linux/kobject.h:KOBJ_NAME_LEN */
221#define MISDN_MAX_IDLEN 20
222
223struct mISDNhead {
224 unsigned int prim;
225 unsigned int id;
226} __attribute__((packed));
227
228#define MISDN_HEADER_LEN sizeof(struct mISDNhead)
229#define MAX_DATA_SIZE 2048
230#define MAX_DATA_MEM (MAX_DATA_SIZE + MISDN_HEADER_LEN)
231#define MAX_DFRAME_LEN 260
232
233#define MISDN_ID_ADDR_MASK 0xFFFF
234#define MISDN_ID_TEI_MASK 0xFF00
235#define MISDN_ID_SAPI_MASK 0x00FF
236#define MISDN_ID_TEI_ANY 0x7F00
237
238#define MISDN_ID_ANY 0xFFFF
239#define MISDN_ID_NONE 0xFFFE
240
241#define GROUP_TEI 127
242#define TEI_SAPI 63
243#define CTRL_SAPI 0
244
245#define MISDN_CHMAP_SIZE 4
246
247#define SOL_MISDN 0
248
249struct sockaddr_mISDN {
250 sa_family_t family;
251 unsigned char dev;
252 unsigned char channel;
253 unsigned char sapi;
254 unsigned char tei;
255};
256
257/* timer device ioctl */
258#define IMADDTIMER _IOR('I', 64, int)
259#define IMDELTIMER _IOR('I', 65, int)
260/* socket ioctls */
261#define IMGETVERSION _IOR('I', 66, int)
262#define IMGETCOUNT _IOR('I', 67, int)
263#define IMGETDEVINFO _IOR('I', 68, int)
264#define IMCTRLREQ _IOR('I', 69, int)
265#define IMCLEAR_L2 _IOR('I', 70, int)
266
267struct mISDNversion {
268 unsigned char major;
269 unsigned char minor;
270 unsigned short release;
271};
272
273struct mISDN_devinfo {
274 u_int id;
275 u_int Dprotocols;
276 u_int Bprotocols;
277 u_int protocol;
278 u_long channelmap[MISDN_CHMAP_SIZE];
279 u_int nrbchan;
280 char name[MISDN_MAX_IDLEN];
281};
282
283/* CONTROL_CHANNEL parameters */
284#define MISDN_CTRL_GETOP 0x0000
285#define MISDN_CTRL_LOOP 0x0001
286#define MISDN_CTRL_CONNECT 0x0002
287#define MISDN_CTRL_DISCONNECT 0x0004
288#define MISDN_CTRL_PCMCONNECT 0x0010
289#define MISDN_CTRL_PCMDISCONNECT 0x0020
290#define MISDN_CTRL_SETPEER 0x0040
291#define MISDN_CTRL_UNSETPEER 0x0080
292#define MISDN_CTRL_RX_OFF 0x0100
293#define MISDN_CTRL_HW_FEATURES_OP 0x2000
294#define MISDN_CTRL_HW_FEATURES 0x2001
295#define MISDN_CTRL_HFC_OP 0x4000
296#define MISDN_CTRL_HFC_PCM_CONN 0x4001
297#define MISDN_CTRL_HFC_PCM_DISC 0x4002
298#define MISDN_CTRL_HFC_CONF_JOIN 0x4003
299#define MISDN_CTRL_HFC_CONF_SPLIT 0x4004
300#define MISDN_CTRL_HFC_RECEIVE_OFF 0x4005
301#define MISDN_CTRL_HFC_RECEIVE_ON 0x4006
302#define MISDN_CTRL_HFC_ECHOCAN_ON 0x4007
303#define MISDN_CTRL_HFC_ECHOCAN_OFF 0x4008
304
305
306/* socket options */
307#define MISDN_TIME_STAMP 0x0001
308
309struct mISDN_ctrl_req {
310 int op;
311 int channel;
312 int p1;
313 int p2;
314};
315
316/* muxer options */
317#define MISDN_OPT_ALL 1
318#define MISDN_OPT_TEIMGR 2
319
320#ifdef __KERNEL__
321#include <linux/list.h>
322#include <linux/skbuff.h>
323#include <linux/net.h>
324#include <net/sock.h>
325#include <linux/completion.h>
326
327#define DEBUG_CORE 0x000000ff
328#define DEBUG_CORE_FUNC 0x00000002
329#define DEBUG_SOCKET 0x00000004
330#define DEBUG_MANAGER 0x00000008
331#define DEBUG_SEND_ERR 0x00000010
332#define DEBUG_MSG_THREAD 0x00000020
333#define DEBUG_QUEUE_FUNC 0x00000040
334#define DEBUG_L1 0x0000ff00
335#define DEBUG_L1_FSM 0x00000200
336#define DEBUG_L2 0x00ff0000
337#define DEBUG_L2_FSM 0x00020000
338#define DEBUG_L2_CTRL 0x00040000
339#define DEBUG_L2_RECV 0x00080000
340#define DEBUG_L2_TEI 0x00100000
341#define DEBUG_L2_TEIFSM 0x00200000
342#define DEBUG_TIMER 0x01000000
343
344#define mISDN_HEAD_P(s) ((struct mISDNhead *)&s->cb[0])
345#define mISDN_HEAD_PRIM(s) (((struct mISDNhead *)&s->cb[0])->prim)
346#define mISDN_HEAD_ID(s) (((struct mISDNhead *)&s->cb[0])->id)
347
348/* socket states */
349#define MISDN_OPEN 1
350#define MISDN_BOUND 2
351#define MISDN_CLOSED 3
352
353struct mISDNchannel;
354struct mISDNdevice;
355struct mISDNstack;
356
357struct channel_req {
358 u_int protocol;
359 struct sockaddr_mISDN adr;
360 struct mISDNchannel *ch;
361};
362
363typedef int (ctrl_func_t)(struct mISDNchannel *, u_int, void *);
364typedef int (send_func_t)(struct mISDNchannel *, struct sk_buff *);
365typedef int (create_func_t)(struct channel_req *);
366
367struct Bprotocol {
368 struct list_head list;
369 char *name;
370 u_int Bprotocols;
371 create_func_t *create;
372};
373
374struct mISDNchannel {
375 struct list_head list;
376 u_int protocol;
377 u_int nr;
378 u_long opt;
379 u_int addr;
380 struct mISDNstack *st;
381 struct mISDNchannel *peer;
382 send_func_t *send;
383 send_func_t *recv;
384 ctrl_func_t *ctrl;
385};
386
387struct mISDN_sock_list {
388 struct hlist_head head;
389 rwlock_t lock;
390};
391
392struct mISDN_sock {
393 struct sock sk;
394 struct mISDNchannel ch;
395 u_int cmask;
396 struct mISDNdevice *dev;
397};
398
399
400
401struct mISDNdevice {
402 struct mISDNchannel D;
403 u_int id;
404 char name[MISDN_MAX_IDLEN];
405 u_int Dprotocols;
406 u_int Bprotocols;
407 u_int nrbchan;
408 u_long channelmap[MISDN_CHMAP_SIZE];
409 struct list_head bchannels;
410 struct mISDNchannel *teimgr;
411 struct device dev;
412};
413
414struct mISDNstack {
415 u_long status;
416 struct mISDNdevice *dev;
417 struct task_struct *thread;
418 struct completion *notify;
419 wait_queue_head_t workq;
420 struct sk_buff_head msgq;
421 struct list_head layer2;
422 struct mISDNchannel *layer1;
423 struct mISDNchannel own;
424 struct mutex lmutex; /* protect lists */
425 struct mISDN_sock_list l1sock;
426#ifdef MISDN_MSG_STATS
427 u_int msg_cnt;
428 u_int sleep_cnt;
429 u_int stopped_cnt;
430#endif
431};
432
433/* global alloc/queue dunctions */
434
435static inline struct sk_buff *
436mI_alloc_skb(unsigned int len, gfp_t gfp_mask)
437{
438 struct sk_buff *skb;
439
440 skb = alloc_skb(len + MISDN_HEADER_LEN, gfp_mask);
441 if (likely(skb))
442 skb_reserve(skb, MISDN_HEADER_LEN);
443 return skb;
444}
445
446static inline struct sk_buff *
447_alloc_mISDN_skb(u_int prim, u_int id, u_int len, void *dp, gfp_t gfp_mask)
448{
449 struct sk_buff *skb = mI_alloc_skb(len, gfp_mask);
450 struct mISDNhead *hh;
451
452 if (!skb)
453 return NULL;
454 if (len)
455 memcpy(skb_put(skb, len), dp, len);
456 hh = mISDN_HEAD_P(skb);
457 hh->prim = prim;
458 hh->id = id;
459 return skb;
460}
461
462static inline void
463_queue_data(struct mISDNchannel *ch, u_int prim,
464 u_int id, u_int len, void *dp, gfp_t gfp_mask)
465{
466 struct sk_buff *skb;
467
468 if (!ch->peer)
469 return;
470 skb = _alloc_mISDN_skb(prim, id, len, dp, gfp_mask);
471 if (!skb)
472 return;
473 if (ch->recv(ch->peer, skb))
474 dev_kfree_skb(skb);
475}
476
477/* global register/unregister functions */
478
479extern int mISDN_register_device(struct mISDNdevice *, char *name);
480extern void mISDN_unregister_device(struct mISDNdevice *);
481extern int mISDN_register_Bprotocol(struct Bprotocol *);
482extern void mISDN_unregister_Bprotocol(struct Bprotocol *);
483
484extern void set_channel_address(struct mISDNchannel *, u_int, u_int);
485
486#endif /* __KERNEL__ */
487#endif /* mISDNIF_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 19:42:53 -0500