Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $ |
| 2 | * |
| 3 | * ISDN4Linux Driver, using capi20 interface (kernelcapi) |
| 4 | * |
| 5 | * Copyright 1997 by Carsten Paeth <calle@calle.de> |
| 6 | * |
| 7 | * This software may be used and distributed according to the terms |
| 8 | * of the GNU General Public License, incorporated herein by reference. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include <linux/module.h> |
| 13 | #include <linux/errno.h> |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/major.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | #include <linux/slab.h> |
| 17 | #include <linux/fcntl.h> |
| 18 | #include <linux/fs.h> |
| 19 | #include <linux/signal.h> |
| 20 | #include <linux/mm.h> |
| 21 | #include <linux/timer.h> |
| 22 | #include <linux/wait.h> |
| 23 | #include <linux/skbuff.h> |
| 24 | #include <linux/isdn.h> |
| 25 | #include <linux/isdnif.h> |
| 26 | #include <linux/proc_fs.h> |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 27 | #include <linux/seq_file.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/capi.h> |
| 29 | #include <linux/kernelcapi.h> |
| 30 | #include <linux/ctype.h> |
| 31 | #include <linux/init.h> |
| 32 | #include <linux/moduleparam.h> |
| 33 | |
| 34 | #include <linux/isdn/capiutil.h> |
| 35 | #include <linux/isdn/capicmd.h> |
| 36 | #include "capidrv.h" |
| 37 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | static int debugmode = 0; |
| 39 | |
| 40 | MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux"); |
| 41 | MODULE_AUTHOR("Carsten Paeth"); |
| 42 | MODULE_LICENSE("GPL"); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 43 | module_param(debugmode, uint, S_IRUGO | S_IWUSR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | |
| 45 | /* -------- type definitions ----------------------------------------- */ |
| 46 | |
| 47 | |
| 48 | struct capidrv_contr { |
| 49 | |
| 50 | struct capidrv_contr *next; |
| 51 | struct module *owner; |
| 52 | u32 contrnr; |
| 53 | char name[20]; |
| 54 | |
| 55 | /* |
| 56 | * for isdn4linux |
| 57 | */ |
| 58 | isdn_if interface; |
| 59 | int myid; |
| 60 | |
| 61 | /* |
| 62 | * LISTEN state |
| 63 | */ |
| 64 | int state; |
| 65 | u32 cipmask; |
| 66 | u32 cipmask2; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 67 | struct timer_list listentimer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | |
| 69 | /* |
| 70 | * ID of capi message sent |
| 71 | */ |
| 72 | u16 msgid; |
| 73 | |
| 74 | /* |
| 75 | * B-Channels |
| 76 | */ |
| 77 | int nbchan; |
| 78 | struct capidrv_bchan { |
| 79 | struct capidrv_contr *contr; |
| 80 | u8 msn[ISDN_MSNLEN]; |
| 81 | int l2; |
| 82 | int l3; |
| 83 | u8 num[ISDN_MSNLEN]; |
| 84 | u8 mynum[ISDN_MSNLEN]; |
| 85 | int si1; |
| 86 | int si2; |
| 87 | int incoming; |
| 88 | int disconnecting; |
| 89 | struct capidrv_plci { |
| 90 | struct capidrv_plci *next; |
| 91 | u32 plci; |
| 92 | u32 ncci; /* ncci for CONNECT_ACTIVE_IND */ |
| 93 | u16 msgid; /* to identfy CONNECT_CONF */ |
| 94 | int chan; |
| 95 | int state; |
| 96 | int leasedline; |
| 97 | struct capidrv_ncci { |
| 98 | struct capidrv_ncci *next; |
| 99 | struct capidrv_plci *plcip; |
| 100 | u32 ncci; |
| 101 | u16 msgid; /* to identfy CONNECT_B3_CONF */ |
| 102 | int chan; |
| 103 | int state; |
| 104 | int oldstate; |
| 105 | /* */ |
| 106 | u16 datahandle; |
| 107 | struct ncci_datahandle_queue { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 108 | struct ncci_datahandle_queue *next; |
| 109 | u16 datahandle; |
| 110 | int len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | } *ackqueue; |
| 112 | } *ncci_list; |
| 113 | } *plcip; |
| 114 | struct capidrv_ncci *nccip; |
| 115 | } *bchans; |
| 116 | |
| 117 | struct capidrv_plci *plci_list; |
| 118 | |
| 119 | /* for q931 data */ |
| 120 | u8 q931_buf[4096]; |
| 121 | u8 *q931_read; |
| 122 | u8 *q931_write; |
| 123 | u8 *q931_end; |
| 124 | }; |
| 125 | |
| 126 | |
| 127 | struct capidrv_data { |
| 128 | struct capi20_appl ap; |
| 129 | int ncontr; |
| 130 | struct capidrv_contr *contr_list; |
| 131 | }; |
| 132 | |
| 133 | typedef struct capidrv_plci capidrv_plci; |
| 134 | typedef struct capidrv_ncci capidrv_ncci; |
| 135 | typedef struct capidrv_contr capidrv_contr; |
| 136 | typedef struct capidrv_data capidrv_data; |
| 137 | typedef struct capidrv_bchan capidrv_bchan; |
| 138 | |
| 139 | /* -------- data definitions ----------------------------------------- */ |
| 140 | |
| 141 | static capidrv_data global; |
| 142 | static DEFINE_SPINLOCK(global_lock); |
| 143 | |
| 144 | static void handle_dtrace_data(capidrv_contr *card, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 145 | int send, int level2, u8 *data, u16 len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | |
| 147 | /* -------- convert functions ---------------------------------------- */ |
| 148 | |
| 149 | static inline u32 b1prot(int l2, int l3) |
| 150 | { |
| 151 | switch (l2) { |
| 152 | case ISDN_PROTO_L2_X75I: |
| 153 | case ISDN_PROTO_L2_X75UI: |
| 154 | case ISDN_PROTO_L2_X75BUI: |
| 155 | return 0; |
| 156 | case ISDN_PROTO_L2_HDLC: |
| 157 | default: |
| 158 | return 0; |
| 159 | case ISDN_PROTO_L2_TRANS: |
| 160 | return 1; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 161 | case ISDN_PROTO_L2_V11096: |
| 162 | case ISDN_PROTO_L2_V11019: |
| 163 | case ISDN_PROTO_L2_V11038: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | return 2; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 165 | case ISDN_PROTO_L2_FAX: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | return 4; |
| 167 | case ISDN_PROTO_L2_MODEM: |
| 168 | return 8; |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | static inline u32 b2prot(int l2, int l3) |
| 173 | { |
| 174 | switch (l2) { |
| 175 | case ISDN_PROTO_L2_X75I: |
| 176 | case ISDN_PROTO_L2_X75UI: |
| 177 | case ISDN_PROTO_L2_X75BUI: |
| 178 | default: |
| 179 | return 0; |
| 180 | case ISDN_PROTO_L2_HDLC: |
| 181 | case ISDN_PROTO_L2_TRANS: |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 182 | case ISDN_PROTO_L2_V11096: |
| 183 | case ISDN_PROTO_L2_V11019: |
| 184 | case ISDN_PROTO_L2_V11038: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | case ISDN_PROTO_L2_MODEM: |
| 186 | return 1; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 187 | case ISDN_PROTO_L2_FAX: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | return 4; |
| 189 | } |
| 190 | } |
| 191 | |
| 192 | static inline u32 b3prot(int l2, int l3) |
| 193 | { |
| 194 | switch (l2) { |
| 195 | case ISDN_PROTO_L2_X75I: |
| 196 | case ISDN_PROTO_L2_X75UI: |
| 197 | case ISDN_PROTO_L2_X75BUI: |
| 198 | case ISDN_PROTO_L2_HDLC: |
| 199 | case ISDN_PROTO_L2_TRANS: |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 200 | case ISDN_PROTO_L2_V11096: |
| 201 | case ISDN_PROTO_L2_V11019: |
| 202 | case ISDN_PROTO_L2_V11038: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | case ISDN_PROTO_L2_MODEM: |
| 204 | default: |
| 205 | return 0; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 206 | case ISDN_PROTO_L2_FAX: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | return 4; |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | static _cstruct b1config_async_v110(u16 rate) |
| 212 | { |
| 213 | /* CAPI-Spec "B1 Configuration" */ |
| 214 | static unsigned char buf[9]; |
| 215 | buf[0] = 8; /* len */ |
| 216 | /* maximum bitrate */ |
| 217 | buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff; |
| 218 | buf[3] = 8; buf[4] = 0; /* 8 bits per character */ |
| 219 | buf[5] = 0; buf[6] = 0; /* parity none */ |
| 220 | buf[7] = 0; buf[8] = 0; /* 1 stop bit */ |
| 221 | return buf; |
| 222 | } |
| 223 | |
| 224 | static _cstruct b1config(int l2, int l3) |
| 225 | { |
| 226 | switch (l2) { |
| 227 | case ISDN_PROTO_L2_X75I: |
| 228 | case ISDN_PROTO_L2_X75UI: |
| 229 | case ISDN_PROTO_L2_X75BUI: |
| 230 | case ISDN_PROTO_L2_HDLC: |
| 231 | case ISDN_PROTO_L2_TRANS: |
| 232 | default: |
| 233 | return NULL; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 234 | case ISDN_PROTO_L2_V11096: |
| 235 | return b1config_async_v110(9600); |
| 236 | case ISDN_PROTO_L2_V11019: |
| 237 | return b1config_async_v110(19200); |
| 238 | case ISDN_PROTO_L2_V11038: |
| 239 | return b1config_async_v110(38400); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | } |
| 241 | } |
| 242 | |
| 243 | static inline u16 si2cip(u8 si1, u8 si2) |
| 244 | { |
| 245 | static const u8 cip[17][5] = |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 246 | { |
| 247 | /* 0 1 2 3 4 */ |
| 248 | {0, 0, 0, 0, 0}, /*0 */ |
| 249 | {16, 16, 4, 26, 16}, /*1 */ |
| 250 | {17, 17, 17, 4, 4}, /*2 */ |
| 251 | {2, 2, 2, 2, 2}, /*3 */ |
| 252 | {18, 18, 18, 18, 18}, /*4 */ |
| 253 | {2, 2, 2, 2, 2}, /*5 */ |
| 254 | {0, 0, 0, 0, 0}, /*6 */ |
| 255 | {2, 2, 2, 2, 2}, /*7 */ |
| 256 | {2, 2, 2, 2, 2}, /*8 */ |
| 257 | {21, 21, 21, 21, 21}, /*9 */ |
| 258 | {19, 19, 19, 19, 19}, /*10 */ |
| 259 | {0, 0, 0, 0, 0}, /*11 */ |
| 260 | {0, 0, 0, 0, 0}, /*12 */ |
| 261 | {0, 0, 0, 0, 0}, /*13 */ |
| 262 | {0, 0, 0, 0, 0}, /*14 */ |
| 263 | {22, 22, 22, 22, 22}, /*15 */ |
| 264 | {27, 27, 27, 28, 27} /*16 */ |
| 265 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | if (si1 > 16) |
| 267 | si1 = 0; |
| 268 | if (si2 > 4) |
| 269 | si2 = 0; |
| 270 | |
| 271 | return (u16) cip[si1][si2]; |
| 272 | } |
| 273 | |
| 274 | static inline u8 cip2si1(u16 cipval) |
| 275 | { |
| 276 | static const u8 si[32] = |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 277 | {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */ |
| 278 | 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */ |
| 279 | 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */ |
| 280 | 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | |
| 282 | if (cipval > 31) |
| 283 | cipval = 0; /* .... */ |
| 284 | return si[cipval]; |
| 285 | } |
| 286 | |
| 287 | static inline u8 cip2si2(u16 cipval) |
| 288 | { |
| 289 | static const u8 si[32] = |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 290 | {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */ |
| 291 | 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */ |
| 292 | 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */ |
| 293 | 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | |
| 295 | if (cipval > 31) |
| 296 | cipval = 0; /* .... */ |
| 297 | return si[cipval]; |
| 298 | } |
| 299 | |
| 300 | |
| 301 | /* -------- controller management ------------------------------------- */ |
| 302 | |
| 303 | static inline capidrv_contr *findcontrbydriverid(int driverid) |
| 304 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 305 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | capidrv_contr *p; |
| 307 | |
| 308 | spin_lock_irqsave(&global_lock, flags); |
| 309 | for (p = global.contr_list; p; p = p->next) |
| 310 | if (p->myid == driverid) |
| 311 | break; |
| 312 | spin_unlock_irqrestore(&global_lock, flags); |
| 313 | return p; |
| 314 | } |
| 315 | |
| 316 | static capidrv_contr *findcontrbynumber(u32 contr) |
| 317 | { |
| 318 | unsigned long flags; |
| 319 | capidrv_contr *p = global.contr_list; |
| 320 | |
| 321 | spin_lock_irqsave(&global_lock, flags); |
| 322 | for (p = global.contr_list; p; p = p->next) |
| 323 | if (p->contrnr == contr) |
| 324 | break; |
| 325 | spin_unlock_irqrestore(&global_lock, flags); |
| 326 | return p; |
| 327 | } |
| 328 | |
| 329 | |
| 330 | /* -------- plci management ------------------------------------------ */ |
| 331 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 332 | static capidrv_plci *new_plci(capidrv_contr *card, int chan) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | { |
| 334 | capidrv_plci *plcip; |
| 335 | |
Burman Yan | 41f9693 | 2006-12-08 02:39:35 -0800 | [diff] [blame] | 336 | plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 338 | if (plcip == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 339 | return NULL; |
| 340 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 341 | plcip->state = ST_PLCI_NONE; |
| 342 | plcip->plci = 0; |
| 343 | plcip->msgid = 0; |
| 344 | plcip->chan = chan; |
| 345 | plcip->next = card->plci_list; |
| 346 | card->plci_list = plcip; |
| 347 | card->bchans[chan].plcip = plcip; |
| 348 | |
| 349 | return plcip; |
| 350 | } |
| 351 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 352 | static capidrv_plci *find_plci_by_plci(capidrv_contr *card, u32 plci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | { |
| 354 | capidrv_plci *p; |
| 355 | for (p = card->plci_list; p; p = p->next) |
| 356 | if (p->plci == plci) |
| 357 | return p; |
| 358 | return NULL; |
| 359 | } |
| 360 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 361 | static capidrv_plci *find_plci_by_msgid(capidrv_contr *card, u16 msgid) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | { |
| 363 | capidrv_plci *p; |
| 364 | for (p = card->plci_list; p; p = p->next) |
| 365 | if (p->msgid == msgid) |
| 366 | return p; |
| 367 | return NULL; |
| 368 | } |
| 369 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 370 | static capidrv_plci *find_plci_by_ncci(capidrv_contr *card, u32 ncci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | { |
| 372 | capidrv_plci *p; |
| 373 | for (p = card->plci_list; p; p = p->next) |
| 374 | if (p->plci == (ncci & 0xffff)) |
| 375 | return p; |
| 376 | return NULL; |
| 377 | } |
| 378 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 379 | static void free_plci(capidrv_contr *card, capidrv_plci *plcip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | { |
| 381 | capidrv_plci **pp; |
| 382 | |
| 383 | for (pp = &card->plci_list; *pp; pp = &(*pp)->next) { |
| 384 | if (*pp == plcip) { |
| 385 | *pp = (*pp)->next; |
| 386 | card->bchans[plcip->chan].plcip = NULL; |
| 387 | card->bchans[plcip->chan].disconnecting = 0; |
| 388 | card->bchans[plcip->chan].incoming = 0; |
| 389 | kfree(plcip); |
| 390 | return; |
| 391 | } |
| 392 | } |
| 393 | printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n", |
| 394 | card->contrnr, plcip, plcip->plci); |
| 395 | } |
| 396 | |
| 397 | /* -------- ncci management ------------------------------------------ */ |
| 398 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 399 | static inline capidrv_ncci *new_ncci(capidrv_contr *card, |
| 400 | capidrv_plci *plcip, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 401 | u32 ncci) |
| 402 | { |
| 403 | capidrv_ncci *nccip; |
| 404 | |
Burman Yan | 41f9693 | 2006-12-08 02:39:35 -0800 | [diff] [blame] | 405 | nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 407 | if (nccip == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | return NULL; |
| 409 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | nccip->ncci = ncci; |
| 411 | nccip->state = ST_NCCI_NONE; |
| 412 | nccip->plcip = plcip; |
| 413 | nccip->chan = plcip->chan; |
| 414 | nccip->datahandle = 0; |
| 415 | |
| 416 | nccip->next = plcip->ncci_list; |
| 417 | plcip->ncci_list = nccip; |
| 418 | |
| 419 | card->bchans[plcip->chan].nccip = nccip; |
| 420 | |
| 421 | return nccip; |
| 422 | } |
| 423 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 424 | static inline capidrv_ncci *find_ncci(capidrv_contr *card, u32 ncci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | { |
| 426 | capidrv_plci *plcip; |
| 427 | capidrv_ncci *p; |
| 428 | |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 429 | if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 430 | return NULL; |
| 431 | |
| 432 | for (p = plcip->ncci_list; p; p = p->next) |
| 433 | if (p->ncci == ncci) |
| 434 | return p; |
| 435 | return NULL; |
| 436 | } |
| 437 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 438 | static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr *card, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 439 | u32 ncci, u16 msgid) |
| 440 | { |
| 441 | capidrv_plci *plcip; |
| 442 | capidrv_ncci *p; |
| 443 | |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 444 | if ((plcip = find_plci_by_ncci(card, ncci)) == NULL) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 445 | return NULL; |
| 446 | |
| 447 | for (p = plcip->ncci_list; p; p = p->next) |
| 448 | if (p->msgid == msgid) |
| 449 | return p; |
| 450 | return NULL; |
| 451 | } |
| 452 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 453 | static void free_ncci(capidrv_contr *card, struct capidrv_ncci *nccip) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | { |
| 455 | struct capidrv_ncci **pp; |
| 456 | |
| 457 | for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) { |
| 458 | if (*pp == nccip) { |
| 459 | *pp = (*pp)->next; |
| 460 | break; |
| 461 | } |
| 462 | } |
| 463 | card->bchans[nccip->chan].nccip = NULL; |
| 464 | kfree(nccip); |
| 465 | } |
| 466 | |
| 467 | static int capidrv_add_ack(struct capidrv_ncci *nccip, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 468 | u16 datahandle, int len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 469 | { |
| 470 | struct ncci_datahandle_queue *n, **pp; |
| 471 | |
Zhang Yanfei | c3f14cf | 2013-03-11 19:13:47 +0000 | [diff] [blame] | 472 | n = kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | if (!n) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 474 | printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n"); |
| 475 | return -1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | } |
| 477 | n->next = NULL; |
| 478 | n->datahandle = datahandle; |
| 479 | n->len = len; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 480 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 481 | *pp = n; |
| 482 | return 0; |
| 483 | } |
| 484 | |
| 485 | static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle) |
| 486 | { |
| 487 | struct ncci_datahandle_queue **pp, *p; |
| 488 | int len; |
| 489 | |
| 490 | for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 491 | if ((*pp)->datahandle == datahandle) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 492 | p = *pp; |
| 493 | len = p->len; |
| 494 | *pp = (*pp)->next; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 495 | kfree(p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | return len; |
| 497 | } |
| 498 | } |
| 499 | return -1; |
| 500 | } |
| 501 | |
| 502 | /* -------- convert and send capi message ---------------------------- */ |
| 503 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 504 | static void send_message(capidrv_contr *card, _cmsg *cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | { |
| 506 | struct sk_buff *skb; |
| 507 | size_t len; |
Jesper Juhl | b1b2e7c | 2007-10-16 01:27:51 -0700 | [diff] [blame] | 508 | |
Tilman Schmidt | 2bf3a09 | 2014-10-11 13:46:30 +0200 | [diff] [blame] | 509 | if (capi_cmsg2message(cmsg, cmsg->buf)) { |
| 510 | printk(KERN_ERR "capidrv::send_message: parser failure\n"); |
| 511 | return; |
| 512 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 513 | len = CAPIMSG_LEN(cmsg->buf); |
| 514 | skb = alloc_skb(len, GFP_ATOMIC); |
Jesper Juhl | b1b2e7c | 2007-10-16 01:27:51 -0700 | [diff] [blame] | 515 | if (!skb) { |
| 516 | printk(KERN_ERR "capidrv::send_message: can't allocate mem\n"); |
| 517 | return; |
| 518 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | memcpy(skb_put(skb, len), cmsg->buf, len); |
| 520 | if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR) |
| 521 | kfree_skb(skb); |
| 522 | } |
| 523 | |
| 524 | /* -------- state machine -------------------------------------------- */ |
| 525 | |
| 526 | struct listenstatechange { |
| 527 | int actstate; |
| 528 | int nextstate; |
| 529 | int event; |
| 530 | }; |
| 531 | |
| 532 | static struct listenstatechange listentable[] = |
| 533 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 534 | {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ}, |
| 535 | {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ}, |
| 536 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR}, |
| 537 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR}, |
| 538 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, |
| 539 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY}, |
| 540 | {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, |
| 541 | {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK}, |
| 542 | {}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | }; |
| 544 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 545 | static void listen_change_state(capidrv_contr *card, int event) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | { |
| 547 | struct listenstatechange *p = listentable; |
| 548 | while (p->event) { |
| 549 | if (card->state == p->actstate && p->event == event) { |
| 550 | if (debugmode) |
| 551 | printk(KERN_DEBUG "capidrv-%d: listen_change_state %d -> %d\n", |
| 552 | card->contrnr, card->state, p->nextstate); |
| 553 | card->state = p->nextstate; |
| 554 | return; |
| 555 | } |
| 556 | p++; |
| 557 | } |
| 558 | printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n", |
| 559 | card->contrnr, card->state, event); |
| 560 | |
| 561 | } |
| 562 | |
| 563 | /* ------------------------------------------------------------------ */ |
| 564 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 565 | static void p0(capidrv_contr *card, capidrv_plci *plci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | { |
| 567 | isdn_ctrl cmd; |
| 568 | |
| 569 | card->bchans[plci->chan].contr = NULL; |
| 570 | cmd.command = ISDN_STAT_DHUP; |
| 571 | cmd.driver = card->myid; |
| 572 | cmd.arg = plci->chan; |
| 573 | card->interface.statcallb(&cmd); |
| 574 | free_plci(card, plci); |
| 575 | } |
| 576 | |
| 577 | /* ------------------------------------------------------------------ */ |
| 578 | |
| 579 | struct plcistatechange { |
| 580 | int actstate; |
| 581 | int nextstate; |
| 582 | int event; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 583 | void (*changefunc)(capidrv_contr *card, capidrv_plci *plci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 584 | }; |
| 585 | |
| 586 | static struct plcistatechange plcitable[] = |
| 587 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 588 | /* P-0 */ |
| 589 | {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL}, |
| 590 | {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL}, |
| 591 | {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL}, |
| 592 | {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL}, |
| 593 | /* P-0.1 */ |
| 594 | {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0}, |
| 595 | {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL}, |
| 596 | /* P-1 */ |
| 597 | {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, |
| 598 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, |
| 599 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, |
| 600 | {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 601 | /* P-ACT */ |
| 602 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, |
| 603 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, |
| 604 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 605 | {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL}, |
| 606 | {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL}, |
| 607 | /* P-2 */ |
| 608 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, |
| 609 | {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL}, |
| 610 | {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL}, |
| 611 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, |
| 612 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, |
| 613 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 614 | {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL}, |
| 615 | /* P-3 */ |
| 616 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL}, |
| 617 | {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, |
| 618 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, |
| 619 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, |
| 620 | {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 621 | /* P-4 */ |
| 622 | {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL}, |
| 623 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL}, |
| 624 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL}, |
| 625 | {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 626 | /* P-5 */ |
| 627 | {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL}, |
| 628 | /* P-6 */ |
| 629 | {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0}, |
| 630 | /* P-0.Res */ |
| 631 | {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0}, |
| 632 | {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL}, |
| 633 | /* P-RES */ |
| 634 | {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL}, |
| 635 | /* P-HELD */ |
| 636 | {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL}, |
| 637 | {}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 638 | }; |
| 639 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 640 | static void plci_change_state(capidrv_contr *card, capidrv_plci *plci, int event) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 641 | { |
| 642 | struct plcistatechange *p = plcitable; |
| 643 | while (p->event) { |
| 644 | if (plci->state == p->actstate && p->event == event) { |
| 645 | if (debugmode) |
| 646 | printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 647 | card->contrnr, plci->plci, plci->state, p->nextstate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 648 | plci->state = p->nextstate; |
| 649 | if (p->changefunc) |
| 650 | p->changefunc(card, plci); |
| 651 | return; |
| 652 | } |
| 653 | p++; |
| 654 | } |
| 655 | printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n", |
| 656 | card->contrnr, plci->plci, plci->state, event); |
| 657 | } |
| 658 | |
| 659 | /* ------------------------------------------------------------------ */ |
| 660 | |
| 661 | static _cmsg cmsg; |
| 662 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 663 | static void n0(capidrv_contr *card, capidrv_ncci *ncci) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | { |
| 665 | isdn_ctrl cmd; |
| 666 | |
| 667 | capi_fill_DISCONNECT_REQ(&cmsg, |
| 668 | global.ap.applid, |
| 669 | card->msgid++, |
| 670 | ncci->plcip->plci, |
| 671 | NULL, /* BChannelinformation */ |
| 672 | NULL, /* Keypadfacility */ |
| 673 | NULL, /* Useruserdata */ /* $$$$ */ |
| 674 | NULL /* Facilitydataarray */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 675 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 677 | send_message(card, &cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | |
| 679 | cmd.command = ISDN_STAT_BHUP; |
| 680 | cmd.driver = card->myid; |
| 681 | cmd.arg = ncci->chan; |
| 682 | card->interface.statcallb(&cmd); |
| 683 | free_ncci(card, ncci); |
| 684 | } |
| 685 | |
| 686 | /* ------------------------------------------------------------------ */ |
| 687 | |
| 688 | struct nccistatechange { |
| 689 | int actstate; |
| 690 | int nextstate; |
| 691 | int event; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 692 | void (*changefunc)(capidrv_contr *card, capidrv_ncci *ncci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 693 | }; |
| 694 | |
| 695 | static struct nccistatechange nccitable[] = |
| 696 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 697 | /* N-0 */ |
| 698 | {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL}, |
| 699 | {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL}, |
| 700 | /* N-0.1 */ |
| 701 | {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL}, |
| 702 | {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0}, |
| 703 | /* N-1 */ |
| 704 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL}, |
| 705 | {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL}, |
| 706 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, |
| 707 | {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, |
| 708 | /* N-2 */ |
| 709 | {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL}, |
| 710 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, |
| 711 | {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, |
| 712 | /* N-ACT */ |
| 713 | {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, |
| 714 | {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL}, |
| 715 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, |
| 716 | {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, |
| 717 | /* N-3 */ |
| 718 | {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL}, |
| 719 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, |
| 720 | {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL}, |
| 721 | /* N-4 */ |
| 722 | {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL}, |
| 723 | {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL}, |
| 724 | /* N-5 */ |
| 725 | {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0}, |
| 726 | {}, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | }; |
| 728 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 729 | static void ncci_change_state(capidrv_contr *card, capidrv_ncci *ncci, int event) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 730 | { |
| 731 | struct nccistatechange *p = nccitable; |
| 732 | while (p->event) { |
| 733 | if (ncci->state == p->actstate && p->event == event) { |
| 734 | if (debugmode) |
| 735 | printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 736 | card->contrnr, ncci->ncci, ncci->state, p->nextstate); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 737 | if (p->nextstate == ST_NCCI_PREVIOUS) { |
| 738 | ncci->state = ncci->oldstate; |
| 739 | ncci->oldstate = p->actstate; |
| 740 | } else { |
| 741 | ncci->oldstate = p->actstate; |
| 742 | ncci->state = p->nextstate; |
| 743 | } |
| 744 | if (p->changefunc) |
| 745 | p->changefunc(card, ncci); |
| 746 | return; |
| 747 | } |
| 748 | p++; |
| 749 | } |
| 750 | printk(KERN_ERR "capidrv-%d: ncci_change_state:0x%x state=%d event=%d ????\n", |
| 751 | card->contrnr, ncci->ncci, ncci->state, event); |
| 752 | } |
| 753 | |
| 754 | /* ------------------------------------------------------------------- */ |
| 755 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 756 | static inline int new_bchan(capidrv_contr *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 757 | { |
| 758 | int i; |
| 759 | for (i = 0; i < card->nbchan; i++) { |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 760 | if (card->bchans[i].plcip == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 761 | card->bchans[i].disconnecting = 0; |
| 762 | return i; |
| 763 | } |
| 764 | } |
| 765 | return -1; |
| 766 | } |
| 767 | |
| 768 | /* ------------------------------------------------------------------- */ |
Paul Bolle | ca05e3a | 2014-06-01 23:47:24 +0200 | [diff] [blame] | 769 | static char *capi_info2str(u16 reason) |
| 770 | { |
Paul Bolle | a79f5d2 | 2014-06-01 23:47:24 +0200 | [diff] [blame] | 771 | #ifndef CONFIG_ISDN_CAPI_CAPIDRV_VERBOSE |
Paul Bolle | ca05e3a | 2014-06-01 23:47:24 +0200 | [diff] [blame] | 772 | return ".."; |
| 773 | #else |
| 774 | switch (reason) { |
| 775 | |
| 776 | /*-- informative values (corresponding message was processed) -----*/ |
| 777 | case 0x0001: |
| 778 | return "NCPI not supported by current protocol, NCPI ignored"; |
| 779 | case 0x0002: |
| 780 | return "Flags not supported by current protocol, flags ignored"; |
| 781 | case 0x0003: |
| 782 | return "Alert already sent by another application"; |
| 783 | |
| 784 | /*-- error information concerning CAPI_REGISTER -----*/ |
| 785 | case 0x1001: |
| 786 | return "Too many applications"; |
| 787 | case 0x1002: |
| 788 | return "Logical block size too small, must be at least 128 Bytes"; |
| 789 | case 0x1003: |
| 790 | return "Buffer exceeds 64 kByte"; |
| 791 | case 0x1004: |
| 792 | return "Message buffer size too small, must be at least 1024 Bytes"; |
| 793 | case 0x1005: |
| 794 | return "Max. number of logical connections not supported"; |
| 795 | case 0x1006: |
| 796 | return "Reserved"; |
| 797 | case 0x1007: |
| 798 | return "The message could not be accepted because of an internal busy condition"; |
| 799 | case 0x1008: |
| 800 | return "OS resource error (no memory ?)"; |
| 801 | case 0x1009: |
| 802 | return "CAPI not installed"; |
| 803 | case 0x100A: |
| 804 | return "Controller does not support external equipment"; |
| 805 | case 0x100B: |
| 806 | return "Controller does only support external equipment"; |
| 807 | |
| 808 | /*-- error information concerning message exchange functions -----*/ |
| 809 | case 0x1101: |
| 810 | return "Illegal application number"; |
| 811 | case 0x1102: |
| 812 | return "Illegal command or subcommand or message length less than 12 bytes"; |
| 813 | case 0x1103: |
| 814 | return "The message could not be accepted because of a queue full condition !! The error code does not imply that CAPI cannot receive messages directed to another controller, PLCI or NCCI"; |
| 815 | case 0x1104: |
| 816 | return "Queue is empty"; |
| 817 | case 0x1105: |
| 818 | return "Queue overflow, a message was lost !! This indicates a configuration error. The only recovery from this error is to perform a CAPI_RELEASE"; |
| 819 | case 0x1106: |
| 820 | return "Unknown notification parameter"; |
| 821 | case 0x1107: |
| 822 | return "The Message could not be accepted because of an internal busy condition"; |
| 823 | case 0x1108: |
| 824 | return "OS Resource error (no memory ?)"; |
| 825 | case 0x1109: |
| 826 | return "CAPI not installed"; |
| 827 | case 0x110A: |
| 828 | return "Controller does not support external equipment"; |
| 829 | case 0x110B: |
| 830 | return "Controller does only support external equipment"; |
| 831 | |
| 832 | /*-- error information concerning resource / coding problems -----*/ |
| 833 | case 0x2001: |
| 834 | return "Message not supported in current state"; |
| 835 | case 0x2002: |
| 836 | return "Illegal Controller / PLCI / NCCI"; |
| 837 | case 0x2003: |
| 838 | return "Out of PLCI"; |
| 839 | case 0x2004: |
| 840 | return "Out of NCCI"; |
| 841 | case 0x2005: |
| 842 | return "Out of LISTEN"; |
| 843 | case 0x2006: |
| 844 | return "Out of FAX resources (protocol T.30)"; |
| 845 | case 0x2007: |
| 846 | return "Illegal message parameter coding"; |
| 847 | |
| 848 | /*-- error information concerning requested services -----*/ |
| 849 | case 0x3001: |
| 850 | return "B1 protocol not supported"; |
| 851 | case 0x3002: |
| 852 | return "B2 protocol not supported"; |
| 853 | case 0x3003: |
| 854 | return "B3 protocol not supported"; |
| 855 | case 0x3004: |
| 856 | return "B1 protocol parameter not supported"; |
| 857 | case 0x3005: |
| 858 | return "B2 protocol parameter not supported"; |
| 859 | case 0x3006: |
| 860 | return "B3 protocol parameter not supported"; |
| 861 | case 0x3007: |
| 862 | return "B protocol combination not supported"; |
| 863 | case 0x3008: |
| 864 | return "NCPI not supported"; |
| 865 | case 0x3009: |
| 866 | return "CIP Value unknown"; |
| 867 | case 0x300A: |
| 868 | return "Flags not supported (reserved bits)"; |
| 869 | case 0x300B: |
| 870 | return "Facility not supported"; |
| 871 | case 0x300C: |
| 872 | return "Data length not supported by current protocol"; |
| 873 | case 0x300D: |
| 874 | return "Reset procedure not supported by current protocol"; |
| 875 | |
| 876 | /*-- informations about the clearing of a physical connection -----*/ |
| 877 | case 0x3301: |
| 878 | return "Protocol error layer 1 (broken line or B-channel removed by signalling protocol)"; |
| 879 | case 0x3302: |
| 880 | return "Protocol error layer 2"; |
| 881 | case 0x3303: |
| 882 | return "Protocol error layer 3"; |
| 883 | case 0x3304: |
| 884 | return "Another application got that call"; |
| 885 | /*-- T.30 specific reasons -----*/ |
| 886 | case 0x3311: |
| 887 | return "Connecting not successful (remote station is no FAX G3 machine)"; |
| 888 | case 0x3312: |
| 889 | return "Connecting not successful (training error)"; |
| 890 | case 0x3313: |
| 891 | return "Disconnected before transfer (remote station does not support transfer mode, e.g. resolution)"; |
| 892 | case 0x3314: |
| 893 | return "Disconnected during transfer (remote abort)"; |
| 894 | case 0x3315: |
| 895 | return "Disconnected during transfer (remote procedure error, e.g. unsuccessful repetition of T.30 commands)"; |
| 896 | case 0x3316: |
| 897 | return "Disconnected during transfer (local tx data underrun)"; |
| 898 | case 0x3317: |
| 899 | return "Disconnected during transfer (local rx data overflow)"; |
| 900 | case 0x3318: |
| 901 | return "Disconnected during transfer (local abort)"; |
| 902 | case 0x3319: |
| 903 | return "Illegal parameter coding (e.g. SFF coding error)"; |
| 904 | |
| 905 | /*-- disconnect causes from the network according to ETS 300 102-1/Q.931 -----*/ |
| 906 | case 0x3481: return "Unallocated (unassigned) number"; |
| 907 | case 0x3482: return "No route to specified transit network"; |
| 908 | case 0x3483: return "No route to destination"; |
| 909 | case 0x3486: return "Channel unacceptable"; |
| 910 | case 0x3487: |
| 911 | return "Call awarded and being delivered in an established channel"; |
| 912 | case 0x3490: return "Normal call clearing"; |
| 913 | case 0x3491: return "User busy"; |
| 914 | case 0x3492: return "No user responding"; |
| 915 | case 0x3493: return "No answer from user (user alerted)"; |
| 916 | case 0x3495: return "Call rejected"; |
| 917 | case 0x3496: return "Number changed"; |
| 918 | case 0x349A: return "Non-selected user clearing"; |
| 919 | case 0x349B: return "Destination out of order"; |
| 920 | case 0x349C: return "Invalid number format"; |
| 921 | case 0x349D: return "Facility rejected"; |
| 922 | case 0x349E: return "Response to STATUS ENQUIRY"; |
| 923 | case 0x349F: return "Normal, unspecified"; |
| 924 | case 0x34A2: return "No circuit / channel available"; |
| 925 | case 0x34A6: return "Network out of order"; |
| 926 | case 0x34A9: return "Temporary failure"; |
| 927 | case 0x34AA: return "Switching equipment congestion"; |
| 928 | case 0x34AB: return "Access information discarded"; |
| 929 | case 0x34AC: return "Requested circuit / channel not available"; |
| 930 | case 0x34AF: return "Resources unavailable, unspecified"; |
| 931 | case 0x34B1: return "Quality of service unavailable"; |
| 932 | case 0x34B2: return "Requested facility not subscribed"; |
| 933 | case 0x34B9: return "Bearer capability not authorized"; |
| 934 | case 0x34BA: return "Bearer capability not presently available"; |
| 935 | case 0x34BF: return "Service or option not available, unspecified"; |
| 936 | case 0x34C1: return "Bearer capability not implemented"; |
| 937 | case 0x34C2: return "Channel type not implemented"; |
| 938 | case 0x34C5: return "Requested facility not implemented"; |
| 939 | case 0x34C6: return "Only restricted digital information bearer capability is available"; |
| 940 | case 0x34CF: return "Service or option not implemented, unspecified"; |
| 941 | case 0x34D1: return "Invalid call reference value"; |
| 942 | case 0x34D2: return "Identified channel does not exist"; |
| 943 | case 0x34D3: return "A suspended call exists, but this call identity does not"; |
| 944 | case 0x34D4: return "Call identity in use"; |
| 945 | case 0x34D5: return "No call suspended"; |
| 946 | case 0x34D6: return "Call having the requested call identity has been cleared"; |
| 947 | case 0x34D8: return "Incompatible destination"; |
| 948 | case 0x34DB: return "Invalid transit network selection"; |
| 949 | case 0x34DF: return "Invalid message, unspecified"; |
| 950 | case 0x34E0: return "Mandatory information element is missing"; |
| 951 | case 0x34E1: return "Message type non-existent or not implemented"; |
| 952 | case 0x34E2: return "Message not compatible with call state or message type non-existent or not implemented"; |
| 953 | case 0x34E3: return "Information element non-existent or not implemented"; |
| 954 | case 0x34E4: return "Invalid information element contents"; |
| 955 | case 0x34E5: return "Message not compatible with call state"; |
| 956 | case 0x34E6: return "Recovery on timer expiry"; |
| 957 | case 0x34EF: return "Protocol error, unspecified"; |
| 958 | case 0x34FF: return "Interworking, unspecified"; |
| 959 | |
| 960 | default: return "No additional information"; |
| 961 | } |
| 962 | #endif |
| 963 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 964 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 965 | static void handle_controller(_cmsg *cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 966 | { |
| 967 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); |
| 968 | |
| 969 | if (!card) { |
| 970 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", |
| 971 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 972 | cmsg->adr.adrController & 0x7f); |
| 973 | return; |
| 974 | } |
| 975 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { |
| 976 | |
| 977 | case CAPI_LISTEN_CONF: /* Controller */ |
| 978 | if (debugmode) |
| 979 | printk(KERN_DEBUG "capidrv-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n", |
| 980 | card->contrnr, cmsg->Info, capi_info2str(cmsg->Info), card->cipmask); |
| 981 | if (cmsg->Info) { |
| 982 | listen_change_state(card, EV_LISTEN_CONF_ERROR); |
| 983 | } else if (card->cipmask == 0) { |
| 984 | listen_change_state(card, EV_LISTEN_CONF_EMPTY); |
| 985 | } else { |
| 986 | listen_change_state(card, EV_LISTEN_CONF_OK); |
| 987 | } |
| 988 | break; |
| 989 | |
| 990 | case CAPI_MANUFACTURER_IND: /* Controller */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 991 | if (cmsg->ManuID == 0x214D5641 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 992 | && cmsg->Class == 0 |
| 993 | && cmsg->Function == 1) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 994 | u8 *data = cmsg->ManuData + 3; |
| 995 | u16 len = cmsg->ManuData[0]; |
| 996 | u16 layer; |
| 997 | int direction; |
| 998 | if (len == 255) { |
| 999 | len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8)); |
| 1000 | data += 2; |
| 1001 | } |
| 1002 | len -= 2; |
| 1003 | layer = ((*(data - 1)) << 8) | *(data - 2); |
| 1004 | if (layer & 0x300) |
| 1005 | direction = (layer & 0x200) ? 0 : 1; |
| 1006 | else direction = (layer & 0x800) ? 0 : 1; |
| 1007 | if (layer & 0x0C00) { |
| 1008 | if ((layer & 0xff) == 0x80) { |
| 1009 | handle_dtrace_data(card, direction, 1, data, len); |
| 1010 | break; |
| 1011 | } |
| 1012 | } else if ((layer & 0xff) < 0x80) { |
| 1013 | handle_dtrace_data(card, direction, 0, data, len); |
| 1014 | break; |
| 1015 | } |
| 1016 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n", |
| 1017 | card->contrnr, |
| 1018 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1019 | cmsg->adr.adrController, layer); |
| 1020 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | } |
| 1022 | goto ignored; |
| 1023 | case CAPI_MANUFACTURER_CONF: /* Controller */ |
| 1024 | if (cmsg->ManuID == 0x214D5641) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1025 | char *s = NULL; |
| 1026 | switch (cmsg->Class) { |
| 1027 | case 0: break; |
| 1028 | case 1: s = "unknown class"; break; |
| 1029 | case 2: s = "unknown function"; break; |
| 1030 | default: s = "unknown error"; break; |
| 1031 | } |
| 1032 | if (s) |
| 1033 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n", |
| 1034 | card->contrnr, |
| 1035 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1036 | cmsg->adr.adrController, |
| 1037 | cmsg->Function, s); |
| 1038 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | } |
| 1040 | goto ignored; |
| 1041 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ |
| 1042 | goto ignored; |
| 1043 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ |
| 1044 | goto ignored; |
| 1045 | case CAPI_INFO_IND: /* Controller/plci */ |
| 1046 | goto ignored; |
| 1047 | case CAPI_INFO_CONF: /* Controller/plci */ |
| 1048 | goto ignored; |
| 1049 | |
| 1050 | default: |
| 1051 | printk(KERN_ERR "capidrv-%d: got %s from controller 0x%x ???", |
| 1052 | card->contrnr, |
| 1053 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1054 | cmsg->adr.adrController); |
| 1055 | } |
| 1056 | return; |
| 1057 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1058 | ignored: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1059 | printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n", |
| 1060 | card->contrnr, |
| 1061 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1062 | cmsg->adr.adrController); |
| 1063 | } |
| 1064 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1065 | static void handle_incoming_call(capidrv_contr *card, _cmsg *cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1066 | { |
| 1067 | capidrv_plci *plcip; |
| 1068 | capidrv_bchan *bchan; |
| 1069 | isdn_ctrl cmd; |
| 1070 | int chan; |
| 1071 | |
| 1072 | if ((chan = new_bchan(card)) == -1) { |
| 1073 | printk(KERN_ERR "capidrv-%d: incoming call on not existing bchan ?\n", card->contrnr); |
| 1074 | return; |
| 1075 | } |
| 1076 | bchan = &card->bchans[chan]; |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 1077 | if ((plcip = new_plci(card, chan)) == NULL) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr); |
| 1079 | return; |
| 1080 | } |
| 1081 | bchan->incoming = 1; |
| 1082 | plcip->plci = cmsg->adr.adrPLCI; |
| 1083 | plci_change_state(card, plcip, EV_PLCI_CONNECT_IND); |
| 1084 | |
| 1085 | cmd.command = ISDN_STAT_ICALL; |
| 1086 | cmd.driver = card->myid; |
| 1087 | cmd.arg = chan; |
| 1088 | memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup)); |
| 1089 | strncpy(cmd.parm.setup.phone, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1090 | cmsg->CallingPartyNumber + 3, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | cmsg->CallingPartyNumber[0] - 2); |
| 1092 | strncpy(cmd.parm.setup.eazmsn, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1093 | cmsg->CalledPartyNumber + 2, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | cmsg->CalledPartyNumber[0] - 1); |
| 1095 | cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue); |
| 1096 | cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue); |
| 1097 | cmd.parm.setup.plan = cmsg->CallingPartyNumber[1]; |
| 1098 | cmd.parm.setup.screen = cmsg->CallingPartyNumber[2]; |
| 1099 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1100 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n", |
| 1101 | card->contrnr, |
| 1102 | cmd.parm.setup.phone, |
| 1103 | cmd.parm.setup.si1, |
| 1104 | cmd.parm.setup.si2, |
| 1105 | cmd.parm.setup.eazmsn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1106 | |
| 1107 | if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1108 | printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n", |
| 1109 | card->contrnr, |
| 1110 | cmd.parm.setup.si2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1111 | cmd.parm.setup.si2 = 0; |
| 1112 | } |
| 1113 | |
| 1114 | switch (card->interface.statcallb(&cmd)) { |
| 1115 | case 0: |
| 1116 | case 3: |
| 1117 | /* No device matching this call. |
| 1118 | * and isdn_common.c has send a HANGUP command |
| 1119 | * which is ignored in state ST_PLCI_INCOMING, |
| 1120 | * so we send RESP to ignore the call |
| 1121 | */ |
| 1122 | capi_cmsg_answer(cmsg); |
| 1123 | cmsg->Reject = 1; /* ignore */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1125 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1126 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1127 | card->contrnr, |
| 1128 | cmd.parm.setup.phone, |
| 1129 | cmd.parm.setup.si1, |
| 1130 | cmd.parm.setup.si2, |
| 1131 | cmd.parm.setup.eazmsn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1132 | break; |
| 1133 | case 1: |
| 1134 | /* At least one device matching this call (RING on ttyI) |
| 1135 | * HL-driver may send ALERTING on the D-channel in this |
| 1136 | * case. |
| 1137 | * really means: RING on ttyI or a net interface |
| 1138 | * accepted this call already. |
| 1139 | * |
| 1140 | * If the call was accepted, state has already changed, |
| 1141 | * and CONNECT_RESP already sent. |
| 1142 | */ |
| 1143 | if (plcip->state == ST_PLCI_INCOMING) { |
| 1144 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1145 | card->contrnr, |
| 1146 | cmd.parm.setup.phone, |
| 1147 | cmd.parm.setup.si1, |
| 1148 | cmd.parm.setup.si2, |
| 1149 | cmd.parm.setup.eazmsn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1150 | capi_fill_ALERT_REQ(cmsg, |
| 1151 | global.ap.applid, |
| 1152 | card->msgid++, |
| 1153 | plcip->plci, /* adr */ |
| 1154 | NULL,/* BChannelinformation */ |
| 1155 | NULL,/* Keypadfacility */ |
| 1156 | NULL,/* Useruserdata */ |
| 1157 | NULL /* Facilitydataarray */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1158 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | plcip->msgid = cmsg->Messagenumber; |
| 1160 | send_message(card, cmsg); |
| 1161 | } else { |
| 1162 | printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1163 | card->contrnr, |
| 1164 | cmd.parm.setup.phone, |
| 1165 | cmd.parm.setup.si1, |
| 1166 | cmd.parm.setup.si2, |
| 1167 | cmd.parm.setup.eazmsn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1168 | } |
| 1169 | break; |
| 1170 | |
| 1171 | case 2: /* Call will be rejected. */ |
| 1172 | capi_cmsg_answer(cmsg); |
| 1173 | cmsg->Reject = 2; /* reject call, normal call clearing */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1174 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1175 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | break; |
| 1177 | |
| 1178 | default: |
| 1179 | /* An error happened. (Invalid parameters for example.) */ |
| 1180 | capi_cmsg_answer(cmsg); |
| 1181 | cmsg->Reject = 8; /* reject call, |
| 1182 | destination out of order */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1183 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1184 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1185 | break; |
| 1186 | } |
| 1187 | return; |
| 1188 | } |
| 1189 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1190 | static void handle_plci(_cmsg *cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1191 | { |
| 1192 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); |
| 1193 | capidrv_plci *plcip; |
| 1194 | isdn_ctrl cmd; |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1195 | _cdebbuf *cdb; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1196 | |
| 1197 | if (!card) { |
| 1198 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", |
| 1199 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1200 | cmsg->adr.adrController & 0x7f); |
| 1201 | return; |
| 1202 | } |
| 1203 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { |
| 1204 | |
| 1205 | case CAPI_DISCONNECT_IND: /* plci */ |
| 1206 | if (cmsg->Reason) { |
| 1207 | printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1208 | card->contrnr, |
| 1209 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI); |
| 1211 | } |
| 1212 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) { |
| 1213 | capi_cmsg_answer(cmsg); |
| 1214 | send_message(card, cmsg); |
| 1215 | goto notfound; |
| 1216 | } |
| 1217 | card->bchans[plcip->chan].disconnecting = 1; |
| 1218 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND); |
| 1219 | capi_cmsg_answer(cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1220 | plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1221 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1222 | break; |
| 1223 | |
| 1224 | case CAPI_DISCONNECT_CONF: /* plci */ |
| 1225 | if (cmsg->Info) { |
| 1226 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1227 | card->contrnr, |
| 1228 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1229 | cmsg->Info, capi_info2str(cmsg->Info), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1230 | cmsg->adr.adrPLCI); |
| 1231 | } |
| 1232 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) |
| 1233 | goto notfound; |
| 1234 | |
| 1235 | card->bchans[plcip->chan].disconnecting = 1; |
| 1236 | break; |
| 1237 | |
| 1238 | case CAPI_ALERT_CONF: /* plci */ |
| 1239 | if (cmsg->Info) { |
| 1240 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1241 | card->contrnr, |
| 1242 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1243 | cmsg->Info, capi_info2str(cmsg->Info), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1244 | cmsg->adr.adrPLCI); |
| 1245 | } |
| 1246 | break; |
| 1247 | |
| 1248 | case CAPI_CONNECT_IND: /* plci */ |
| 1249 | handle_incoming_call(card, cmsg); |
| 1250 | break; |
| 1251 | |
| 1252 | case CAPI_CONNECT_CONF: /* plci */ |
| 1253 | if (cmsg->Info) { |
| 1254 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1255 | card->contrnr, |
| 1256 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1257 | cmsg->Info, capi_info2str(cmsg->Info), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1258 | cmsg->adr.adrPLCI); |
| 1259 | } |
| 1260 | if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber))) |
| 1261 | goto notfound; |
| 1262 | |
| 1263 | plcip->plci = cmsg->adr.adrPLCI; |
| 1264 | if (cmsg->Info) { |
| 1265 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR); |
| 1266 | } else { |
| 1267 | plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK); |
| 1268 | } |
| 1269 | break; |
| 1270 | |
| 1271 | case CAPI_CONNECT_ACTIVE_IND: /* plci */ |
| 1272 | |
| 1273 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) |
| 1274 | goto notfound; |
| 1275 | |
| 1276 | if (card->bchans[plcip->chan].incoming) { |
| 1277 | capi_cmsg_answer(cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1278 | plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1279 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1280 | } else { |
| 1281 | capidrv_ncci *nccip; |
| 1282 | capi_cmsg_answer(cmsg); |
| 1283 | send_message(card, cmsg); |
| 1284 | |
| 1285 | nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI); |
| 1286 | |
| 1287 | if (!nccip) { |
| 1288 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); |
| 1289 | break; /* $$$$ */ |
| 1290 | } |
| 1291 | capi_fill_CONNECT_B3_REQ(cmsg, |
| 1292 | global.ap.applid, |
| 1293 | card->msgid++, |
| 1294 | plcip->plci, /* adr */ |
| 1295 | NULL /* NCPI */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1296 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1297 | nccip->msgid = cmsg->Messagenumber; |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1298 | plci_change_state(card, plcip, |
| 1299 | EV_PLCI_CONNECT_ACTIVE_IND); |
| 1300 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1301 | send_message(card, cmsg); |
| 1302 | cmd.command = ISDN_STAT_DCONN; |
| 1303 | cmd.driver = card->myid; |
| 1304 | cmd.arg = plcip->chan; |
| 1305 | card->interface.statcallb(&cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1306 | } |
| 1307 | break; |
| 1308 | |
| 1309 | case CAPI_INFO_IND: /* Controller/plci */ |
| 1310 | |
| 1311 | if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) |
| 1312 | goto notfound; |
| 1313 | |
| 1314 | if (cmsg->InfoNumber == 0x4000) { |
| 1315 | if (cmsg->InfoElement[0] == 4) { |
| 1316 | cmd.command = ISDN_STAT_CINF; |
| 1317 | cmd.driver = card->myid; |
| 1318 | cmd.arg = plcip->chan; |
| 1319 | sprintf(cmd.parm.num, "%lu", |
| 1320 | (unsigned long) |
| 1321 | ((u32) cmsg->InfoElement[1] |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1322 | | ((u32) (cmsg->InfoElement[2]) << 8) |
| 1323 | | ((u32) (cmsg->InfoElement[3]) << 16) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1324 | | ((u32) (cmsg->InfoElement[4]) << 24))); |
| 1325 | card->interface.statcallb(&cmd); |
| 1326 | break; |
| 1327 | } |
| 1328 | } |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1329 | cdb = capi_cmsg2str(cmsg); |
| 1330 | if (cdb) { |
| 1331 | printk(KERN_WARNING "capidrv-%d: %s\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1332 | card->contrnr, cdb->buf); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1333 | cdebbuf_free(cdb); |
| 1334 | } else |
| 1335 | printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1336 | card->contrnr, cmsg->InfoNumber); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1337 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1338 | break; |
| 1339 | |
| 1340 | case CAPI_CONNECT_ACTIVE_CONF: /* plci */ |
| 1341 | goto ignored; |
| 1342 | case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */ |
| 1343 | goto ignored; |
| 1344 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ |
| 1345 | goto ignored; |
| 1346 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ |
| 1347 | goto ignored; |
| 1348 | |
| 1349 | case CAPI_INFO_CONF: /* Controller/plci */ |
| 1350 | goto ignored; |
| 1351 | |
| 1352 | default: |
| 1353 | printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???", |
| 1354 | card->contrnr, |
| 1355 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1356 | cmsg->adr.adrPLCI); |
| 1357 | } |
| 1358 | return; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1359 | ignored: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1360 | printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n", |
| 1361 | card->contrnr, |
| 1362 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1363 | cmsg->adr.adrPLCI); |
| 1364 | return; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1365 | notfound: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1366 | printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n", |
| 1367 | card->contrnr, |
| 1368 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1369 | cmsg->adr.adrPLCI); |
| 1370 | return; |
| 1371 | } |
| 1372 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1373 | static void handle_ncci(_cmsg *cmsg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1374 | { |
| 1375 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); |
| 1376 | capidrv_plci *plcip; |
| 1377 | capidrv_ncci *nccip; |
| 1378 | isdn_ctrl cmd; |
| 1379 | int len; |
| 1380 | |
| 1381 | if (!card) { |
| 1382 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", |
| 1383 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1384 | cmsg->adr.adrController & 0x7f); |
| 1385 | return; |
| 1386 | } |
| 1387 | switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) { |
| 1388 | |
| 1389 | case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */ |
| 1390 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) |
| 1391 | goto notfound; |
| 1392 | |
| 1393 | capi_cmsg_answer(cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1395 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1396 | |
| 1397 | cmd.command = ISDN_STAT_BCONN; |
| 1398 | cmd.driver = card->myid; |
| 1399 | cmd.arg = nccip->chan; |
| 1400 | card->interface.statcallb(&cmd); |
| 1401 | |
| 1402 | printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n", |
| 1403 | card->contrnr, nccip->chan, nccip->ncci); |
| 1404 | break; |
| 1405 | |
| 1406 | case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */ |
| 1407 | goto ignored; |
| 1408 | |
| 1409 | case CAPI_CONNECT_B3_IND: /* ncci */ |
| 1410 | |
| 1411 | plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI); |
| 1412 | if (plcip) { |
| 1413 | nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI); |
| 1414 | if (nccip) { |
| 1415 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND); |
| 1416 | capi_fill_CONNECT_B3_RESP(cmsg, |
| 1417 | global.ap.applid, |
| 1418 | card->msgid++, |
| 1419 | nccip->ncci, /* adr */ |
| 1420 | 0, /* Reject */ |
| 1421 | NULL /* NCPI */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1422 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1423 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1424 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1425 | break; |
| 1426 | } |
| 1427 | printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr); |
| 1428 | } else { |
| 1429 | printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1430 | card->contrnr, |
| 1431 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1432 | cmsg->adr.adrNCCI); |
| 1433 | } |
| 1434 | capi_fill_CONNECT_B3_RESP(cmsg, |
| 1435 | global.ap.applid, |
| 1436 | card->msgid++, |
| 1437 | cmsg->adr.adrNCCI, |
| 1438 | 2, /* Reject */ |
| 1439 | NULL /* NCPI */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1440 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1441 | send_message(card, cmsg); |
| 1442 | break; |
| 1443 | |
| 1444 | case CAPI_CONNECT_B3_CONF: /* ncci */ |
| 1445 | |
| 1446 | if (!(nccip = find_ncci_by_msgid(card, |
| 1447 | cmsg->adr.adrNCCI, |
| 1448 | cmsg->Messagenumber))) |
| 1449 | goto notfound; |
| 1450 | |
| 1451 | nccip->ncci = cmsg->adr.adrNCCI; |
| 1452 | if (cmsg->Info) { |
| 1453 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1454 | card->contrnr, |
| 1455 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1456 | cmsg->Info, capi_info2str(cmsg->Info), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1457 | cmsg->adr.adrNCCI); |
| 1458 | } |
| 1459 | |
| 1460 | if (cmsg->Info) |
| 1461 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR); |
| 1462 | else |
| 1463 | ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK); |
| 1464 | break; |
| 1465 | |
| 1466 | case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */ |
| 1467 | capi_cmsg_answer(cmsg); |
| 1468 | send_message(card, cmsg); |
| 1469 | break; |
| 1470 | |
| 1471 | case CAPI_DATA_B3_IND: /* ncci */ |
| 1472 | /* handled in handle_data() */ |
| 1473 | goto ignored; |
| 1474 | |
| 1475 | case CAPI_DATA_B3_CONF: /* ncci */ |
| 1476 | if (cmsg->Info) { |
| 1477 | printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1478 | cmsg->Info, capi_info2str(cmsg->Info)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | } |
| 1480 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) |
| 1481 | goto notfound; |
| 1482 | |
| 1483 | len = capidrv_del_ack(nccip, cmsg->DataHandle); |
| 1484 | if (len < 0) |
| 1485 | break; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1486 | cmd.command = ISDN_STAT_BSENT; |
| 1487 | cmd.driver = card->myid; |
| 1488 | cmd.arg = nccip->chan; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1489 | cmd.parm.length = len; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1490 | card->interface.statcallb(&cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1491 | break; |
| 1492 | |
| 1493 | case CAPI_DISCONNECT_B3_IND: /* ncci */ |
| 1494 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) |
| 1495 | goto notfound; |
| 1496 | |
| 1497 | card->bchans[nccip->chan].disconnecting = 1; |
| 1498 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND); |
| 1499 | capi_cmsg_answer(cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1500 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 1501 | send_message(card, cmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1502 | break; |
| 1503 | |
| 1504 | case CAPI_DISCONNECT_B3_CONF: /* ncci */ |
| 1505 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) |
| 1506 | goto notfound; |
| 1507 | if (cmsg->Info) { |
| 1508 | printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1509 | card->contrnr, |
| 1510 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1511 | cmsg->Info, capi_info2str(cmsg->Info), |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1512 | cmsg->adr.adrNCCI); |
| 1513 | ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR); |
| 1514 | } |
| 1515 | break; |
| 1516 | |
| 1517 | case CAPI_RESET_B3_IND: /* ncci */ |
| 1518 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) |
| 1519 | goto notfound; |
| 1520 | ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND); |
| 1521 | capi_cmsg_answer(cmsg); |
| 1522 | send_message(card, cmsg); |
| 1523 | break; |
| 1524 | |
| 1525 | case CAPI_RESET_B3_CONF: /* ncci */ |
| 1526 | goto ignored; /* $$$$ */ |
| 1527 | |
| 1528 | case CAPI_FACILITY_IND: /* Controller/plci/ncci */ |
| 1529 | goto ignored; |
| 1530 | case CAPI_FACILITY_CONF: /* Controller/plci/ncci */ |
| 1531 | goto ignored; |
| 1532 | |
| 1533 | default: |
| 1534 | printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???", |
| 1535 | card->contrnr, |
| 1536 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1537 | cmsg->adr.adrNCCI); |
| 1538 | } |
| 1539 | return; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1540 | ignored: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1541 | printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n", |
| 1542 | card->contrnr, |
| 1543 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1544 | cmsg->adr.adrNCCI); |
| 1545 | return; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1546 | notfound: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1547 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", |
| 1548 | card->contrnr, |
| 1549 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1550 | cmsg->adr.adrNCCI); |
| 1551 | } |
| 1552 | |
| 1553 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1554 | static void handle_data(_cmsg *cmsg, struct sk_buff *skb) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1555 | { |
| 1556 | capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f); |
| 1557 | capidrv_ncci *nccip; |
| 1558 | |
| 1559 | if (!card) { |
| 1560 | printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n", |
| 1561 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1562 | cmsg->adr.adrController & 0x7f); |
| 1563 | kfree_skb(skb); |
| 1564 | return; |
| 1565 | } |
| 1566 | if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) { |
| 1567 | printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n", |
| 1568 | card->contrnr, |
| 1569 | capi_cmd2str(cmsg->Command, cmsg->Subcommand), |
| 1570 | cmsg->adr.adrNCCI); |
| 1571 | kfree_skb(skb); |
| 1572 | return; |
| 1573 | } |
| 1574 | (void) skb_pull(skb, CAPIMSG_LEN(skb->data)); |
| 1575 | card->interface.rcvcallb_skb(card->myid, nccip->chan, skb); |
| 1576 | capi_cmsg_answer(cmsg); |
| 1577 | send_message(card, cmsg); |
| 1578 | } |
| 1579 | |
| 1580 | static _cmsg s_cmsg; |
| 1581 | |
| 1582 | static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb) |
| 1583 | { |
Tilman Schmidt | 2bf3a09 | 2014-10-11 13:46:30 +0200 | [diff] [blame] | 1584 | if (capi_message2cmsg(&s_cmsg, skb->data)) { |
| 1585 | printk(KERN_ERR "capidrv: applid=%d: received invalid message\n", |
| 1586 | ap->applid); |
| 1587 | kfree_skb(skb); |
| 1588 | return; |
| 1589 | } |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1590 | if (debugmode > 3) { |
| 1591 | _cdebbuf *cdb = capi_cmsg2str(&s_cmsg); |
| 1592 | |
| 1593 | if (cdb) { |
Harvey Harrison | 156f1ed | 2008-04-28 02:14:40 -0700 | [diff] [blame] | 1594 | printk(KERN_DEBUG "%s: applid=%d %s\n", __func__, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1595 | ap->applid, cdb->buf); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1596 | cdebbuf_free(cdb); |
| 1597 | } else |
| 1598 | printk(KERN_DEBUG "%s: applid=%d %s not traced\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1599 | __func__, ap->applid, |
| 1600 | capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand)); |
Karsten Keil | 17f0cd2 | 2007-02-28 20:13:50 -0800 | [diff] [blame] | 1601 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1602 | if (s_cmsg.Command == CAPI_DATA_B3 |
| 1603 | && s_cmsg.Subcommand == CAPI_IND) { |
| 1604 | handle_data(&s_cmsg, skb); |
| 1605 | return; |
| 1606 | } |
| 1607 | if ((s_cmsg.adr.adrController & 0xffffff00) == 0) |
| 1608 | handle_controller(&s_cmsg); |
| 1609 | else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0) |
| 1610 | handle_plci(&s_cmsg); |
| 1611 | else |
| 1612 | handle_ncci(&s_cmsg); |
| 1613 | /* |
| 1614 | * data of skb used in s_cmsg, |
| 1615 | * free data when s_cmsg is not used again |
| 1616 | * thanks to Lars Heete <hel@admin.de> |
| 1617 | */ |
| 1618 | kfree_skb(skb); |
| 1619 | } |
| 1620 | |
| 1621 | /* ------------------------------------------------------------------- */ |
| 1622 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1623 | #define PUTBYTE_TO_STATUS(card, byte) \ |
| 1624 | do { \ |
| 1625 | *(card)->q931_write++ = (byte); \ |
| 1626 | if ((card)->q931_write > (card)->q931_end) \ |
| 1627 | (card)->q931_write = (card)->q931_buf; \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1628 | } while (0) |
| 1629 | |
| 1630 | static void handle_dtrace_data(capidrv_contr *card, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1631 | int send, int level2, u8 *data, u16 len) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1632 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1633 | u8 *p, *end; |
| 1634 | isdn_ctrl cmd; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1635 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1636 | if (!len) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1637 | printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1638 | card->contrnr, len); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1639 | return; |
| 1640 | } |
| 1641 | |
| 1642 | if (level2) { |
| 1643 | PUTBYTE_TO_STATUS(card, 'D'); |
| 1644 | PUTBYTE_TO_STATUS(card, '2'); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1645 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); |
| 1646 | PUTBYTE_TO_STATUS(card, ':'); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1647 | } else { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1648 | PUTBYTE_TO_STATUS(card, 'D'); |
| 1649 | PUTBYTE_TO_STATUS(card, '3'); |
| 1650 | PUTBYTE_TO_STATUS(card, send ? '>' : '<'); |
| 1651 | PUTBYTE_TO_STATUS(card, ':'); |
| 1652 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1653 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1654 | for (p = data, end = data + len; p < end; p++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1655 | PUTBYTE_TO_STATUS(card, ' '); |
Andy Shevchenko | 735c65c | 2010-07-15 02:37:18 +0000 | [diff] [blame] | 1656 | PUTBYTE_TO_STATUS(card, hex_asc_hi(*p)); |
| 1657 | PUTBYTE_TO_STATUS(card, hex_asc_lo(*p)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1658 | } |
| 1659 | PUTBYTE_TO_STATUS(card, '\n'); |
| 1660 | |
| 1661 | cmd.command = ISDN_STAT_STAVAIL; |
| 1662 | cmd.driver = card->myid; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1663 | cmd.arg = len * 3 + 5; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1664 | card->interface.statcallb(&cmd); |
| 1665 | } |
| 1666 | |
| 1667 | /* ------------------------------------------------------------------- */ |
| 1668 | |
| 1669 | static _cmsg cmdcmsg; |
| 1670 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1671 | static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1672 | { |
| 1673 | switch (c->arg) { |
| 1674 | case 1: |
| 1675 | debugmode = (int)(*((unsigned int *)c->parm.num)); |
| 1676 | printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1677 | card->contrnr, debugmode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1678 | return 0; |
| 1679 | default: |
| 1680 | printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1681 | card->contrnr, c->arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1682 | return -EINVAL; |
| 1683 | } |
| 1684 | return -EINVAL; |
| 1685 | } |
| 1686 | |
| 1687 | /* |
| 1688 | * Handle leased lines (CAPI-Bundling) |
| 1689 | */ |
| 1690 | |
| 1691 | struct internal_bchannelinfo { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1692 | unsigned short channelalloc; |
| 1693 | unsigned short operation; |
| 1694 | unsigned char cmask[31]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1695 | }; |
| 1696 | |
| 1697 | static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep) |
| 1698 | { |
| 1699 | unsigned long bmask = 0; |
| 1700 | int active = !0; |
| 1701 | char *s; |
| 1702 | int i; |
| 1703 | |
| 1704 | if (strncmp(teln, "FV:", 3) != 0) |
| 1705 | return 1; |
| 1706 | s = teln + 3; |
| 1707 | while (*s && *s == ' ') s++; |
| 1708 | if (!*s) return -2; |
| 1709 | if (*s == 'p' || *s == 'P') { |
| 1710 | active = 0; |
| 1711 | s++; |
| 1712 | } |
| 1713 | if (*s == 'a' || *s == 'A') { |
| 1714 | active = !0; |
| 1715 | s++; |
| 1716 | } |
| 1717 | while (*s) { |
| 1718 | int digit1 = 0; |
| 1719 | int digit2 = 0; |
Andy Shevchenko | a7a4f1c | 2010-09-07 05:14:30 +0000 | [diff] [blame] | 1720 | char *endp; |
| 1721 | |
| 1722 | digit1 = simple_strtoul(s, &endp, 10); |
| 1723 | if (s == endp) |
| 1724 | return -3; |
| 1725 | s = endp; |
| 1726 | |
Roel Kluin | fecc703 | 2009-01-04 16:22:04 -0800 | [diff] [blame] | 1727 | if (digit1 <= 0 || digit1 > 30) return -4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1728 | if (*s == 0 || *s == ',' || *s == ' ') { |
| 1729 | bmask |= (1 << digit1); |
| 1730 | digit1 = 0; |
| 1731 | if (*s) s++; |
| 1732 | continue; |
| 1733 | } |
| 1734 | if (*s != '-') return -5; |
| 1735 | s++; |
Andy Shevchenko | a7a4f1c | 2010-09-07 05:14:30 +0000 | [diff] [blame] | 1736 | |
| 1737 | digit2 = simple_strtoul(s, &endp, 10); |
| 1738 | if (s == endp) |
| 1739 | return -3; |
| 1740 | s = endp; |
| 1741 | |
Roel Kluin | fecc703 | 2009-01-04 16:22:04 -0800 | [diff] [blame] | 1742 | if (digit2 <= 0 || digit2 > 30) return -4; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1743 | if (*s == 0 || *s == ',' || *s == ' ') { |
| 1744 | if (digit1 > digit2) |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1745 | for (i = digit2; i <= digit1; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1746 | bmask |= (1 << i); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1747 | else |
| 1748 | for (i = digit1; i <= digit2; i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1749 | bmask |= (1 << i); |
| 1750 | digit1 = digit2 = 0; |
| 1751 | if (*s) s++; |
| 1752 | continue; |
| 1753 | } |
| 1754 | return -6; |
| 1755 | } |
| 1756 | if (activep) *activep = active; |
| 1757 | if (bmaskp) *bmaskp = bmask; |
| 1758 | return 0; |
| 1759 | } |
| 1760 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1761 | static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31]) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1762 | { |
| 1763 | unsigned long bmask; |
| 1764 | int active; |
| 1765 | int rc, i; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1766 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | rc = decodeFVteln(teln, &bmask, &active); |
| 1768 | if (rc) return rc; |
| 1769 | /* Length */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1770 | AdditionalInfo[0] = 2 + 2 + 31; |
| 1771 | /* Channel: 3 => use channel allocation */ |
| 1772 | AdditionalInfo[1] = 3; AdditionalInfo[2] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1773 | /* Operation: 0 => DTE mode, 1 => DCE mode */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1774 | if (active) { |
| 1775 | AdditionalInfo[3] = 0; AdditionalInfo[4] = 0; |
| 1776 | } else { |
| 1777 | AdditionalInfo[3] = 1; AdditionalInfo[4] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1778 | } |
| 1779 | /* Channel mask array */ |
| 1780 | AdditionalInfo[5] = 0; /* no D-Channel */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1781 | for (i = 1; i <= 30; i++) |
| 1782 | AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1783 | return 0; |
| 1784 | } |
| 1785 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1786 | static int capidrv_command(isdn_ctrl *c, capidrv_contr *card) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1787 | { |
| 1788 | isdn_ctrl cmd; |
| 1789 | struct capidrv_bchan *bchan; |
| 1790 | struct capidrv_plci *plcip; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1791 | u8 AdditionalInfo[1 + 2 + 2 + 31]; |
| 1792 | int rc, isleasedline = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1793 | |
| 1794 | if (c->command == ISDN_CMD_IOCTL) |
| 1795 | return capidrv_ioctl(c, card); |
| 1796 | |
| 1797 | switch (c->command) { |
Tilman Schmidt | 7fdaadc | 2012-04-25 13:02:20 +0000 | [diff] [blame] | 1798 | case ISDN_CMD_DIAL: { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1799 | u8 calling[ISDN_MSNLEN + 3]; |
| 1800 | u8 called[ISDN_MSNLEN + 2]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1801 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1802 | if (debugmode) |
| 1803 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n", |
| 1804 | card->contrnr, |
| 1805 | c->arg, |
| 1806 | c->parm.setup.phone, |
| 1807 | c->parm.setup.si1, |
| 1808 | c->parm.setup.si2, |
| 1809 | c->parm.setup.eazmsn); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1810 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1811 | bchan = &card->bchans[c->arg % card->nbchan]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1812 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1813 | if (bchan->plcip) { |
| 1814 | printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n", |
| 1815 | card->contrnr, |
| 1816 | c->arg, |
| 1817 | c->parm.setup.phone, |
| 1818 | c->parm.setup.si1, |
| 1819 | c->parm.setup.si2, |
| 1820 | c->parm.setup.eazmsn, |
| 1821 | bchan->plcip->plci); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1822 | return 0; |
| 1823 | } |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1824 | bchan->si1 = c->parm.setup.si1; |
| 1825 | bchan->si2 = c->parm.setup.si2; |
| 1826 | |
| 1827 | strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num)); |
| 1828 | strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum)); |
| 1829 | rc = FVteln2capi20(bchan->num, AdditionalInfo); |
| 1830 | isleasedline = (rc == 0); |
| 1831 | if (rc < 0) |
| 1832 | printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num); |
| 1833 | |
| 1834 | if (isleasedline) { |
| 1835 | calling[0] = 0; |
| 1836 | called[0] = 0; |
| 1837 | if (debugmode) |
| 1838 | printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr); |
| 1839 | } else { |
| 1840 | calling[0] = strlen(bchan->mynum) + 2; |
| 1841 | calling[1] = 0; |
| 1842 | calling[2] = 0x80; |
| 1843 | strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN); |
| 1844 | called[0] = strlen(bchan->num) + 1; |
| 1845 | called[1] = 0x80; |
| 1846 | strncpy(called + 2, bchan->num, ISDN_MSNLEN); |
| 1847 | } |
| 1848 | |
| 1849 | capi_fill_CONNECT_REQ(&cmdcmsg, |
| 1850 | global.ap.applid, |
| 1851 | card->msgid++, |
| 1852 | card->contrnr, /* adr */ |
| 1853 | si2cip(bchan->si1, bchan->si2), /* cipvalue */ |
| 1854 | called, /* CalledPartyNumber */ |
| 1855 | calling, /* CallingPartyNumber */ |
| 1856 | NULL, /* CalledPartySubaddress */ |
| 1857 | NULL, /* CallingPartySubaddress */ |
| 1858 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ |
| 1859 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ |
| 1860 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ |
| 1861 | b1config(bchan->l2, bchan->l3), /* B1configuration */ |
| 1862 | NULL, /* B2configuration */ |
| 1863 | NULL, /* B3configuration */ |
| 1864 | NULL, /* BC */ |
| 1865 | NULL, /* LLC */ |
| 1866 | NULL, /* HLC */ |
| 1867 | /* BChannelinformation */ |
| 1868 | isleasedline ? AdditionalInfo : NULL, |
| 1869 | NULL, /* Keypadfacility */ |
| 1870 | NULL, /* Useruserdata */ |
| 1871 | NULL /* Facilitydataarray */ |
| 1872 | ); |
| 1873 | if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) { |
| 1874 | cmd.command = ISDN_STAT_DHUP; |
| 1875 | cmd.driver = card->myid; |
| 1876 | cmd.arg = (c->arg % card->nbchan); |
| 1877 | card->interface.statcallb(&cmd); |
| 1878 | return -1; |
| 1879 | } |
| 1880 | plcip->msgid = cmdcmsg.Messagenumber; |
| 1881 | plcip->leasedline = isleasedline; |
| 1882 | plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ); |
| 1883 | send_message(card, &cmdcmsg); |
| 1884 | return 0; |
| 1885 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1886 | |
| 1887 | case ISDN_CMD_ACCEPTD: |
| 1888 | |
| 1889 | bchan = &card->bchans[c->arg % card->nbchan]; |
| 1890 | if (debugmode) |
| 1891 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n", |
| 1892 | card->contrnr, |
| 1893 | c->arg, bchan->l2, bchan->l3); |
| 1894 | |
| 1895 | capi_fill_CONNECT_RESP(&cmdcmsg, |
| 1896 | global.ap.applid, |
| 1897 | card->msgid++, |
| 1898 | bchan->plcip->plci, /* adr */ |
| 1899 | 0, /* Reject */ |
| 1900 | b1prot(bchan->l2, bchan->l3), /* B1protocol */ |
| 1901 | b2prot(bchan->l2, bchan->l3), /* B2protocol */ |
| 1902 | b3prot(bchan->l2, bchan->l3), /* B3protocol */ |
| 1903 | b1config(bchan->l2, bchan->l3), /* B1configuration */ |
| 1904 | NULL, /* B2configuration */ |
| 1905 | NULL, /* B3configuration */ |
| 1906 | NULL, /* ConnectedNumber */ |
| 1907 | NULL, /* ConnectedSubaddress */ |
| 1908 | NULL, /* LLC */ |
| 1909 | NULL, /* BChannelinformation */ |
| 1910 | NULL, /* Keypadfacility */ |
| 1911 | NULL, /* Useruserdata */ |
| 1912 | NULL /* Facilitydataarray */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1913 | ); |
Tilman Schmidt | 2bf3a09 | 2014-10-11 13:46:30 +0200 | [diff] [blame] | 1914 | if (capi_cmsg2message(&cmdcmsg, cmdcmsg.buf)) { |
| 1915 | printk(KERN_ERR "capidrv-%d: capidrv_command: parser failure\n", |
| 1916 | card->contrnr); |
| 1917 | return -EINVAL; |
| 1918 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1919 | plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP); |
| 1920 | send_message(card, &cmdcmsg); |
| 1921 | return 0; |
| 1922 | |
| 1923 | case ISDN_CMD_ACCEPTB: |
| 1924 | if (debugmode) |
| 1925 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n", |
| 1926 | card->contrnr, |
| 1927 | c->arg); |
| 1928 | return -ENOSYS; |
| 1929 | |
| 1930 | case ISDN_CMD_HANGUP: |
| 1931 | if (debugmode) |
| 1932 | printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n", |
| 1933 | card->contrnr, |
| 1934 | c->arg); |
| 1935 | bchan = &card->bchans[c->arg % card->nbchan]; |
| 1936 | |
| 1937 | if (bchan->disconnecting) { |
| 1938 | if (debugmode) |
| 1939 | printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n", |
| 1940 | card->contrnr, |
| 1941 | c->arg); |
| 1942 | return 0; |
| 1943 | } |
| 1944 | if (bchan->nccip) { |
| 1945 | bchan->disconnecting = 1; |
| 1946 | capi_fill_DISCONNECT_B3_REQ(&cmdcmsg, |
| 1947 | global.ap.applid, |
| 1948 | card->msgid++, |
| 1949 | bchan->nccip->ncci, |
| 1950 | NULL /* NCPI */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1951 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1952 | ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ); |
| 1953 | send_message(card, &cmdcmsg); |
| 1954 | return 0; |
| 1955 | } else if (bchan->plcip) { |
| 1956 | if (bchan->plcip->state == ST_PLCI_INCOMING) { |
| 1957 | /* |
| 1958 | * just ignore, we a called from |
| 1959 | * isdn_status_callback(), |
| 1960 | * which will return 0 or 2, this is handled |
| 1961 | * by the CONNECT_IND handler |
| 1962 | */ |
| 1963 | bchan->disconnecting = 1; |
| 1964 | return 0; |
| 1965 | } else if (bchan->plcip->plci) { |
| 1966 | bchan->disconnecting = 1; |
| 1967 | capi_fill_DISCONNECT_REQ(&cmdcmsg, |
| 1968 | global.ap.applid, |
| 1969 | card->msgid++, |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1970 | bchan->plcip->plci, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1971 | NULL, /* BChannelinformation */ |
| 1972 | NULL, /* Keypadfacility */ |
| 1973 | NULL, /* Useruserdata */ |
| 1974 | NULL /* Facilitydataarray */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1975 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1976 | plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ); |
| 1977 | send_message(card, &cmdcmsg); |
| 1978 | return 0; |
| 1979 | } else { |
| 1980 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n", |
| 1981 | card->contrnr, |
| 1982 | c->arg); |
| 1983 | return -EINVAL; |
| 1984 | } |
| 1985 | } |
| 1986 | printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 1987 | card->contrnr, |
| 1988 | c->arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1989 | return -EINVAL; |
| 1990 | /* ready */ |
| 1991 | |
| 1992 | case ISDN_CMD_SETL2: |
| 1993 | if (debugmode) |
| 1994 | printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n", |
| 1995 | card->contrnr, |
| 1996 | (c->arg & 0xff), (c->arg >> 8)); |
| 1997 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; |
| 1998 | bchan->l2 = (c->arg >> 8); |
| 1999 | return 0; |
| 2000 | |
| 2001 | case ISDN_CMD_SETL3: |
| 2002 | if (debugmode) |
| 2003 | printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n", |
| 2004 | card->contrnr, |
| 2005 | (c->arg & 0xff), (c->arg >> 8)); |
| 2006 | bchan = &card->bchans[(c->arg & 0xff) % card->nbchan]; |
| 2007 | bchan->l3 = (c->arg >> 8); |
| 2008 | return 0; |
| 2009 | |
| 2010 | case ISDN_CMD_SETEAZ: |
| 2011 | if (debugmode) |
| 2012 | printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n", |
| 2013 | card->contrnr, |
| 2014 | c->parm.num, c->arg); |
| 2015 | bchan = &card->bchans[c->arg % card->nbchan]; |
| 2016 | strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN); |
| 2017 | return 0; |
| 2018 | |
| 2019 | case ISDN_CMD_CLREAZ: |
| 2020 | if (debugmode) |
| 2021 | printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2022 | card->contrnr, c->arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2023 | bchan = &card->bchans[c->arg % card->nbchan]; |
| 2024 | bchan->msn[0] = 0; |
| 2025 | return 0; |
| 2026 | |
| 2027 | default: |
| 2028 | printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2029 | card->contrnr, c->command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2030 | return -EINVAL; |
| 2031 | } |
| 2032 | return 0; |
| 2033 | } |
| 2034 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2035 | static int if_command(isdn_ctrl *c) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2036 | { |
| 2037 | capidrv_contr *card = findcontrbydriverid(c->driver); |
| 2038 | |
| 2039 | if (card) |
| 2040 | return capidrv_command(c, card); |
| 2041 | |
| 2042 | printk(KERN_ERR |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2043 | "capidrv: if_command %d called with invalid driverId %d!\n", |
| 2044 | c->command, c->driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2045 | return -ENODEV; |
| 2046 | } |
| 2047 | |
| 2048 | static _cmsg sendcmsg; |
| 2049 | |
| 2050 | static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb) |
| 2051 | { |
| 2052 | capidrv_contr *card = findcontrbydriverid(id); |
| 2053 | capidrv_bchan *bchan; |
| 2054 | capidrv_ncci *nccip; |
| 2055 | int len = skb->len; |
| 2056 | int msglen; |
| 2057 | u16 errcode; |
| 2058 | u16 datahandle; |
Jeff Garzik | b393243 | 2007-10-25 23:02:14 -0400 | [diff] [blame] | 2059 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2060 | |
| 2061 | if (!card) { |
| 2062 | printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n", |
| 2063 | id); |
| 2064 | return 0; |
| 2065 | } |
| 2066 | if (debugmode > 4) |
| 2067 | printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2068 | card->contrnr, len, skb, doack); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2069 | bchan = &card->bchans[channel % card->nbchan]; |
| 2070 | nccip = bchan->nccip; |
| 2071 | if (!nccip || nccip->state != ST_NCCI_ACTIVE) { |
| 2072 | printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n", |
| 2073 | card->contrnr, card->name, channel); |
| 2074 | return 0; |
| 2075 | } |
| 2076 | datahandle = nccip->datahandle; |
Jeff Garzik | b393243 | 2007-10-25 23:02:14 -0400 | [diff] [blame] | 2077 | |
| 2078 | /* |
| 2079 | * Here we copy pointer skb->data into the 32-bit 'Data' field. |
| 2080 | * The 'Data' field is not used in practice in linux kernel |
| 2081 | * (neither in 32 or 64 bit), but should have some value, |
| 2082 | * since a CAPI message trace will display it. |
| 2083 | * |
| 2084 | * The correct value in the 32 bit case is the address of the |
| 2085 | * data, in 64 bit it makes no sense, we use 0 there. |
| 2086 | */ |
| 2087 | |
| 2088 | #ifdef CONFIG_64BIT |
| 2089 | data = 0; |
| 2090 | #else |
| 2091 | data = (unsigned long) skb->data; |
| 2092 | #endif |
| 2093 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2094 | capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++, |
| 2095 | nccip->ncci, /* adr */ |
Jeff Garzik | b393243 | 2007-10-25 23:02:14 -0400 | [diff] [blame] | 2096 | data, /* Data */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2097 | skb->len, /* DataLength */ |
| 2098 | datahandle, /* DataHandle */ |
| 2099 | 0 /* Flags */ |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2100 | ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2101 | |
| 2102 | if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0) |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2103 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2104 | |
Tilman Schmidt | 2bf3a09 | 2014-10-11 13:46:30 +0200 | [diff] [blame] | 2105 | if (capi_cmsg2message(&sendcmsg, sendcmsg.buf)) { |
| 2106 | printk(KERN_ERR "capidrv-%d: if_sendbuf: parser failure\n", |
| 2107 | card->contrnr); |
| 2108 | return -EINVAL; |
| 2109 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2110 | msglen = CAPIMSG_LEN(sendcmsg.buf); |
| 2111 | if (skb_headroom(skb) < msglen) { |
| 2112 | struct sk_buff *nskb = skb_realloc_headroom(skb, msglen); |
| 2113 | if (!nskb) { |
| 2114 | printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2115 | card->contrnr); |
| 2116 | (void)capidrv_del_ack(nccip, datahandle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2117 | return 0; |
| 2118 | } |
| 2119 | printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n", |
| 2120 | card->contrnr, skb_headroom(skb), msglen); |
| 2121 | memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen); |
| 2122 | errcode = capi20_put_message(&global.ap, nskb); |
| 2123 | if (errcode == CAPI_NOERROR) { |
| 2124 | dev_kfree_skb(skb); |
| 2125 | nccip->datahandle++; |
| 2126 | return len; |
| 2127 | } |
| 2128 | if (debugmode > 3) |
| 2129 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2130 | card->contrnr, errcode, capi_info2str(errcode)); |
| 2131 | (void)capidrv_del_ack(nccip, datahandle); |
| 2132 | dev_kfree_skb(nskb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2133 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; |
| 2134 | } else { |
| 2135 | memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen); |
| 2136 | errcode = capi20_put_message(&global.ap, skb); |
| 2137 | if (errcode == CAPI_NOERROR) { |
| 2138 | nccip->datahandle++; |
| 2139 | return len; |
| 2140 | } |
| 2141 | if (debugmode > 3) |
| 2142 | printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2143 | card->contrnr, errcode, capi_info2str(errcode)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2144 | skb_pull(skb, msglen); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2145 | (void)capidrv_del_ack(nccip, datahandle); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2146 | return errcode == CAPI_SENDQUEUEFULL ? 0 : -1; |
| 2147 | } |
| 2148 | } |
| 2149 | |
| 2150 | static int if_readstat(u8 __user *buf, int len, int id, int channel) |
| 2151 | { |
| 2152 | capidrv_contr *card = findcontrbydriverid(id); |
| 2153 | int count; |
| 2154 | u8 __user *p; |
| 2155 | |
| 2156 | if (!card) { |
| 2157 | printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n", |
| 2158 | id); |
| 2159 | return -ENODEV; |
| 2160 | } |
| 2161 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2162 | for (p = buf, count = 0; count < len; p++, count++) { |
Jeff Garzik | 7786ce1 | 2006-10-17 00:10:40 -0700 | [diff] [blame] | 2163 | if (put_user(*card->q931_read++, p)) |
| 2164 | return -EFAULT; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2165 | if (card->q931_read > card->q931_end) |
| 2166 | card->q931_read = card->q931_buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2167 | } |
| 2168 | return count; |
| 2169 | |
| 2170 | } |
| 2171 | |
| 2172 | static void enable_dchannel_trace(capidrv_contr *card) |
| 2173 | { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2174 | u8 manufacturer[CAPI_MANUFACTURER_LEN]; |
| 2175 | capi_version version; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2176 | u16 contr = card->contrnr; |
| 2177 | u16 errcode; |
| 2178 | u16 avmversion[3]; |
| 2179 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2180 | errcode = capi20_get_manufacturer(contr, manufacturer); |
| 2181 | if (errcode != CAPI_NOERROR) { |
| 2182 | printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n", |
| 2183 | card->name, errcode); |
| 2184 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2185 | } |
Harvey Harrison | 2f9e9b6 | 2008-04-28 02:14:37 -0700 | [diff] [blame] | 2186 | if (strstr(manufacturer, "AVM") == NULL) { |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2187 | printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n", |
| 2188 | card->name, manufacturer); |
| 2189 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2190 | } |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2191 | errcode = capi20_get_version(contr, &version); |
| 2192 | if (errcode != CAPI_NOERROR) { |
| 2193 | printk(KERN_ERR "%s: can't get version (0x%x)\n", |
| 2194 | card->name, errcode); |
| 2195 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | } |
| 2197 | avmversion[0] = (version.majormanuversion >> 4) & 0x0f; |
| 2198 | avmversion[1] = (version.majormanuversion << 4) & 0xf0; |
| 2199 | avmversion[1] |= (version.minormanuversion >> 4) & 0x0f; |
| 2200 | avmversion[2] |= version.minormanuversion & 0x0f; |
| 2201 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2202 | if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2203 | printk(KERN_INFO "%s: D2 trace enabled\n", card->name); |
| 2204 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, |
| 2205 | card->msgid++, |
| 2206 | contr, |
| 2207 | 0x214D5641, /* ManuID */ |
| 2208 | 0, /* Class */ |
| 2209 | 1, /* Function */ |
| 2210 | (_cstruct)"\004\200\014\000\000"); |
| 2211 | } else { |
| 2212 | printk(KERN_INFO "%s: D3 trace enabled\n", card->name); |
| 2213 | capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid, |
| 2214 | card->msgid++, |
| 2215 | contr, |
| 2216 | 0x214D5641, /* ManuID */ |
| 2217 | 0, /* Class */ |
| 2218 | 1, /* Function */ |
| 2219 | (_cstruct)"\004\002\003\000\000"); |
| 2220 | } |
| 2221 | send_message(card, &cmdcmsg); |
| 2222 | } |
| 2223 | |
| 2224 | |
| 2225 | static void send_listen(capidrv_contr *card) |
| 2226 | { |
| 2227 | capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid, |
| 2228 | card->msgid++, |
| 2229 | card->contrnr, /* controller */ |
| 2230 | 1 << 6, /* Infomask */ |
| 2231 | card->cipmask, |
| 2232 | card->cipmask2, |
| 2233 | NULL, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2234 | listen_change_state(card, EV_LISTEN_REQ); |
Tilman Schmidt | e484702 | 2009-10-06 12:18:10 +0000 | [diff] [blame] | 2235 | send_message(card, &cmdcmsg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2236 | } |
| 2237 | |
| 2238 | static void listentimerfunc(unsigned long x) |
| 2239 | { |
| 2240 | capidrv_contr *card = (capidrv_contr *)x; |
| 2241 | if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE) |
| 2242 | printk(KERN_ERR "%s: controller dead ??\n", card->name); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2243 | send_listen(card); |
| 2244 | mod_timer(&card->listentimer, jiffies + 60 * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2245 | } |
| 2246 | |
| 2247 | |
| 2248 | static int capidrv_addcontr(u16 contr, struct capi_profile *profp) |
| 2249 | { |
| 2250 | capidrv_contr *card; |
| 2251 | unsigned long flags; |
| 2252 | isdn_ctrl cmd; |
| 2253 | char id[20]; |
| 2254 | int i; |
| 2255 | |
| 2256 | sprintf(id, "capidrv-%d", contr); |
| 2257 | if (!try_module_get(THIS_MODULE)) { |
| 2258 | printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id); |
| 2259 | return -1; |
| 2260 | } |
Burman Yan | 41f9693 | 2006-12-08 02:39:35 -0800 | [diff] [blame] | 2261 | if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2262 | printk(KERN_WARNING |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2263 | "capidrv: (%s) Could not allocate contr-struct.\n", id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2264 | return -1; |
| 2265 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2266 | card->owner = THIS_MODULE; |
| 2267 | init_timer(&card->listentimer); |
| 2268 | strcpy(card->name, id); |
| 2269 | card->contrnr = contr; |
| 2270 | card->nbchan = profp->nbchannel; |
Robert P. J. Day | 5cbded5 | 2006-12-13 00:35:56 -0800 | [diff] [blame] | 2271 | card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2272 | if (!card->bchans) { |
| 2273 | printk(KERN_WARNING |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2274 | "capidrv: (%s) Could not allocate bchan-structs.\n", id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | module_put(card->owner); |
| 2276 | kfree(card); |
| 2277 | return -1; |
| 2278 | } |
| 2279 | card->interface.channels = profp->nbchannel; |
| 2280 | card->interface.maxbufsize = 2048; |
| 2281 | card->interface.command = if_command; |
| 2282 | card->interface.writebuf_skb = if_sendbuf; |
| 2283 | card->interface.writecmd = NULL; |
| 2284 | card->interface.readstat = if_readstat; |
Tilman Schmidt | 7fdaadc | 2012-04-25 13:02:20 +0000 | [diff] [blame] | 2285 | card->interface.features = |
| 2286 | ISDN_FEATURE_L2_HDLC | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2287 | ISDN_FEATURE_L2_TRANS | |
| 2288 | ISDN_FEATURE_L3_TRANS | |
| 2289 | ISDN_FEATURE_P_UNKNOWN | |
| 2290 | ISDN_FEATURE_L2_X75I | |
| 2291 | ISDN_FEATURE_L2_X75UI | |
| 2292 | ISDN_FEATURE_L2_X75BUI; |
| 2293 | if (profp->support1 & (1 << 2)) |
Tilman Schmidt | 7fdaadc | 2012-04-25 13:02:20 +0000 | [diff] [blame] | 2294 | card->interface.features |= |
| 2295 | ISDN_FEATURE_L2_V11096 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2296 | ISDN_FEATURE_L2_V11019 | |
| 2297 | ISDN_FEATURE_L2_V11038; |
| 2298 | if (profp->support1 & (1 << 8)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2299 | card->interface.features |= ISDN_FEATURE_L2_MODEM; |
| 2300 | card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */ |
| 2301 | strncpy(card->interface.id, id, sizeof(card->interface.id) - 1); |
| 2302 | |
| 2303 | |
| 2304 | card->q931_read = card->q931_buf; |
| 2305 | card->q931_write = card->q931_buf; |
| 2306 | card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1; |
| 2307 | |
| 2308 | if (!register_isdn(&card->interface)) { |
| 2309 | printk(KERN_ERR "capidrv: Unable to register contr %s\n", id); |
| 2310 | kfree(card->bchans); |
| 2311 | module_put(card->owner); |
| 2312 | kfree(card); |
| 2313 | return -1; |
| 2314 | } |
| 2315 | card->myid = card->interface.channels; |
| 2316 | memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan); |
| 2317 | for (i = 0; i < card->nbchan; i++) { |
| 2318 | card->bchans[i].contr = card; |
| 2319 | } |
| 2320 | |
| 2321 | spin_lock_irqsave(&global_lock, flags); |
| 2322 | card->next = global.contr_list; |
| 2323 | global.contr_list = card; |
| 2324 | global.ncontr++; |
| 2325 | spin_unlock_irqrestore(&global_lock, flags); |
| 2326 | |
| 2327 | cmd.command = ISDN_STAT_RUN; |
| 2328 | cmd.driver = card->myid; |
| 2329 | card->interface.statcallb(&cmd); |
| 2330 | |
| 2331 | card->cipmask = 0x1FFF03FF; /* any */ |
| 2332 | card->cipmask2 = 0; |
| 2333 | |
| 2334 | card->listentimer.data = (unsigned long)card; |
| 2335 | card->listentimer.function = listentimerfunc; |
| 2336 | send_listen(card); |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2337 | mod_timer(&card->listentimer, jiffies + 60 * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2338 | |
| 2339 | printk(KERN_INFO "%s: now up (%d B channels)\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2340 | card->name, card->nbchan); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2341 | |
| 2342 | enable_dchannel_trace(card); |
| 2343 | |
| 2344 | return 0; |
| 2345 | } |
| 2346 | |
| 2347 | static int capidrv_delcontr(u16 contr) |
| 2348 | { |
| 2349 | capidrv_contr **pp, *card; |
| 2350 | unsigned long flags; |
| 2351 | isdn_ctrl cmd; |
| 2352 | |
| 2353 | spin_lock_irqsave(&global_lock, flags); |
| 2354 | for (card = global.contr_list; card; card = card->next) { |
| 2355 | if (card->contrnr == contr) |
| 2356 | break; |
| 2357 | } |
| 2358 | if (!card) { |
| 2359 | spin_unlock_irqrestore(&global_lock, flags); |
| 2360 | printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr); |
| 2361 | return -1; |
| 2362 | } |
Jeff Garzik | b393243 | 2007-10-25 23:02:14 -0400 | [diff] [blame] | 2363 | |
| 2364 | /* FIXME: maybe a race condition the card should be removed |
| 2365 | * here from global list /kkeil |
| 2366 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2367 | spin_unlock_irqrestore(&global_lock, flags); |
| 2368 | |
| 2369 | del_timer(&card->listentimer); |
| 2370 | |
| 2371 | if (debugmode) |
| 2372 | printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2373 | card->contrnr, card->myid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2374 | |
| 2375 | cmd.command = ISDN_STAT_STOP; |
| 2376 | cmd.driver = card->myid; |
| 2377 | card->interface.statcallb(&cmd); |
| 2378 | |
| 2379 | while (card->nbchan) { |
| 2380 | |
| 2381 | cmd.command = ISDN_STAT_DISCH; |
| 2382 | cmd.driver = card->myid; |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2383 | cmd.arg = card->nbchan - 1; |
| 2384 | cmd.parm.num[0] = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2385 | if (debugmode) |
| 2386 | printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2387 | card->contrnr, card->myid, cmd.arg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2388 | card->interface.statcallb(&cmd); |
| 2389 | |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2390 | if (card->bchans[card->nbchan - 1].nccip) |
| 2391 | free_ncci(card, card->bchans[card->nbchan - 1].nccip); |
| 2392 | if (card->bchans[card->nbchan - 1].plcip) |
| 2393 | free_plci(card, card->bchans[card->nbchan - 1].plcip); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2394 | if (card->plci_list) |
| 2395 | printk(KERN_ERR "capidrv: bug in free_plci()\n"); |
| 2396 | card->nbchan--; |
| 2397 | } |
| 2398 | kfree(card->bchans); |
| 2399 | card->bchans = NULL; |
| 2400 | |
| 2401 | if (debugmode) |
| 2402 | printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2403 | card->contrnr, card->myid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2404 | |
| 2405 | cmd.command = ISDN_STAT_UNLOAD; |
| 2406 | cmd.driver = card->myid; |
| 2407 | card->interface.statcallb(&cmd); |
| 2408 | |
| 2409 | if (debugmode) |
| 2410 | printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2411 | card->contrnr, card->myid); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2412 | |
| 2413 | spin_lock_irqsave(&global_lock, flags); |
| 2414 | for (pp = &global.contr_list; *pp; pp = &(*pp)->next) { |
| 2415 | if (*pp == card) { |
| 2416 | *pp = (*pp)->next; |
| 2417 | card->next = NULL; |
| 2418 | global.ncontr--; |
| 2419 | break; |
| 2420 | } |
| 2421 | } |
| 2422 | spin_unlock_irqrestore(&global_lock, flags); |
| 2423 | |
| 2424 | module_put(card->owner); |
| 2425 | printk(KERN_INFO "%s: now down.\n", card->name); |
| 2426 | kfree(card); |
| 2427 | return 0; |
| 2428 | } |
| 2429 | |
| 2430 | |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2431 | static int |
| 2432 | lower_callback(struct notifier_block *nb, unsigned long val, void *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2433 | { |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2434 | capi_profile profile; |
| 2435 | u32 contr = (long)v; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2436 | |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2437 | switch (val) { |
| 2438 | case CAPICTR_UP: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2439 | printk(KERN_INFO "capidrv: controller %hu up\n", contr); |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2440 | if (capi20_get_profile(contr, &profile) == CAPI_NOERROR) |
| 2441 | (void) capidrv_addcontr(contr, &profile); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2442 | break; |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2443 | case CAPICTR_DOWN: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2444 | printk(KERN_INFO "capidrv: controller %hu down\n", contr); |
| 2445 | (void) capidrv_delcontr(contr); |
| 2446 | break; |
| 2447 | } |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2448 | return NOTIFY_OK; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2449 | } |
| 2450 | |
| 2451 | /* |
| 2452 | * /proc/capi/capidrv: |
| 2453 | * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt |
| 2454 | */ |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2455 | static int capidrv_proc_show(struct seq_file *m, void *v) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2456 | { |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2457 | seq_printf(m, "%lu %lu %lu %lu\n", |
Joe Perches | 475be4d | 2012-02-19 19:52:38 -0800 | [diff] [blame] | 2458 | global.ap.nrecvctlpkt, |
| 2459 | global.ap.nrecvdatapkt, |
| 2460 | global.ap.nsentctlpkt, |
| 2461 | global.ap.nsentdatapkt); |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2462 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2463 | } |
| 2464 | |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2465 | static int capidrv_proc_open(struct inode *inode, struct file *file) |
| 2466 | { |
| 2467 | return single_open(file, capidrv_proc_show, NULL); |
| 2468 | } |
| 2469 | |
| 2470 | static const struct file_operations capidrv_proc_fops = { |
| 2471 | .owner = THIS_MODULE, |
| 2472 | .open = capidrv_proc_open, |
| 2473 | .read = seq_read, |
| 2474 | .llseek = seq_lseek, |
| 2475 | .release = single_release, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2476 | }; |
| 2477 | |
| 2478 | static void __init proc_init(void) |
| 2479 | { |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2480 | proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2481 | } |
| 2482 | |
| 2483 | static void __exit proc_exit(void) |
| 2484 | { |
Alexey Dobriyan | 9a58a80 | 2010-01-14 03:10:54 -0800 | [diff] [blame] | 2485 | remove_proc_entry("capi/capidrv", NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2486 | } |
| 2487 | |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2488 | static struct notifier_block capictr_nb = { |
| 2489 | .notifier_call = lower_callback, |
| 2490 | }; |
| 2491 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2492 | static int __init capidrv_init(void) |
| 2493 | { |
| 2494 | capi_profile profile; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2495 | u32 ncontr, contr; |
| 2496 | u16 errcode; |
| 2497 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2498 | global.ap.rparam.level3cnt = -2; /* number of bchannels twice */ |
| 2499 | global.ap.rparam.datablkcnt = 16; |
| 2500 | global.ap.rparam.datablklen = 2048; |
| 2501 | |
| 2502 | global.ap.recv_message = capidrv_recv_message; |
| 2503 | errcode = capi20_register(&global.ap); |
| 2504 | if (errcode) { |
| 2505 | return -EIO; |
| 2506 | } |
| 2507 | |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2508 | register_capictr_notifier(&capictr_nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2509 | |
| 2510 | errcode = capi20_get_profile(0, &profile); |
| 2511 | if (errcode != CAPI_NOERROR) { |
Tejun Heo | 7fa5e85 | 2010-12-24 15:59:05 +0100 | [diff] [blame] | 2512 | unregister_capictr_notifier(&capictr_nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2513 | capi20_release(&global.ap); |
| 2514 | return -EIO; |
| 2515 | } |
| 2516 | |
| 2517 | ncontr = profile.ncontroller; |
| 2518 | for (contr = 1; contr <= ncontr; contr++) { |
| 2519 | errcode = capi20_get_profile(contr, &profile); |
| 2520 | if (errcode != CAPI_NOERROR) |
| 2521 | continue; |
| 2522 | (void) capidrv_addcontr(contr, &profile); |
| 2523 | } |
| 2524 | proc_init(); |
| 2525 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2526 | return 0; |
| 2527 | } |
| 2528 | |
| 2529 | static void __exit capidrv_exit(void) |
| 2530 | { |
Jan Kiszka | ef69bb2 | 2010-02-08 10:12:13 +0000 | [diff] [blame] | 2531 | unregister_capictr_notifier(&capictr_nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2532 | capi20_release(&global.ap); |
| 2533 | |
| 2534 | proc_exit(); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2535 | } |
| 2536 | |
| 2537 | module_init(capidrv_init); |
| 2538 | module_exit(capidrv_exit); |