linux/drivers/staging/i4l/act2000/capi.h
<<
>>
Prefs 
   1/* $Id: capi.h,v 1.6.6.2 2001/09/23 22:24:32 kai Exp $
   2 *
   3 * ISDN lowlevel-module for the IBM ISDN-S0 Active 2000.
   4 *
   5 * Author       Fritz Elfert
   6 * Copyright    by Fritz Elfert      <fritz@isdn4linux.de>
   7 *
   8 * This software may be used and distributed according to the terms
   9 * of the GNU General Public License, incorporated herein by reference.
  10 *
  11 * Thanks to Friedemann Baitinger and IBM Germany
  12 *
  13 */
  14
  15#ifndef CAPI_H
  16#define CAPI_H
  17
  18/* Command-part of a CAPI message */
  19typedef struct actcapi_msgcmd {
  20        __u8 cmd;
  21        __u8 subcmd;
  22} actcapi_msgcmd;
  23
  24/* CAPI message header */
  25typedef struct actcapi_msghdr {
  26        __u16 len;
  27        __u16 applicationID;
  28        actcapi_msgcmd cmd;
  29        __u16 msgnum;
  30} actcapi_msghdr;
  31
  32/* CAPI message description (for debugging) */
  33typedef struct actcapi_msgdsc {
  34        actcapi_msgcmd cmd;
  35        char *description;
  36} actcapi_msgdsc;
  37
  38/* CAPI Address */
  39typedef struct actcapi_addr {
  40        __u8 len;                            /* Length of element            */
  41        __u8 tnp;                            /* Type/Numbering Plan          */
  42        __u8 num[20];                        /* Caller ID                    */
  43} actcapi_addr;
  44
  45/* CAPI INFO element mask */
  46typedef  union actcapi_infonr {              /* info number                  */
  47        __u16 mask;                          /* info-mask field              */
  48        struct bmask {                       /* bit definitions              */
  49                unsigned  codes:3;           /* code set                     */
  50                unsigned  rsvd:5;            /* reserved                     */
  51                unsigned  svind:1;           /* single, variable length ind. */
  52                unsigned  wtype:7;           /* W-element type               */
  53        } bmask;
  54} actcapi_infonr;
  55
  56/* CAPI INFO element */
  57typedef union  actcapi_infoel {              /* info element                 */
  58        __u8 len;                            /* length of info element       */
  59        __u8 display[40];                    /* display contents             */
  60        __u8 uuinfo[40];                     /* User-user info field         */
  61        struct cause {                       /* Cause information            */
  62                unsigned ext2:1;             /* extension                    */
  63                unsigned cod:2;              /* coding standard              */
  64                unsigned spare:1;            /* spare                        */
  65                unsigned loc:4;              /* location                     */
  66                unsigned ext1:1;             /* extension                    */
  67                unsigned cval:7;             /* Cause value                  */
  68        } cause;
  69        struct charge {                      /* Charging information         */
  70                __u8 toc;                    /* type of charging info        */
  71                __u8 unit[10];               /* charging units               */
  72        } charge;
  73        __u8 date[20];                       /* date fields                  */
  74        __u8 stat;                           /* state of remote party        */
  75} actcapi_infoel;
  76
  77/* Message for EAZ<->MSN Mapping */
  78typedef struct actcapi_msn {
  79        __u8 eaz;
  80        __u8 len;                            /* Length of MSN                */
  81        __u8 msn[15];
  82}  __attribute__((packed)) actcapi_msn;
  83
  84typedef struct actcapi_dlpd {
  85        __u8 len;                            /* Length of structure          */
  86        __u16 dlen;                          /* Data Length                  */
  87        __u8 laa;                            /* Link Address A               */
  88        __u8 lab;                            /* Link Address B               */
  89        __u8 modulo;                         /* Modulo Mode                  */
  90        __u8 win;                            /* Window size                  */
  91        __u8 xid[100];                       /* XID Information              */
  92} __attribute__((packed)) actcapi_dlpd;
  93
  94typedef struct actcapi_ncpd {
  95        __u8   len;                          /* Length of structure          */
  96        __u16  lic;
  97        __u16  hic;
  98        __u16  ltc;
  99        __u16  htc;
 100        __u16  loc;
 101        __u16  hoc;
 102        __u8   modulo;
 103} __attribute__((packed)) actcapi_ncpd;
 104#define actcapi_ncpi actcapi_ncpd
 105
 106/*
 107 * Layout of NCCI field in a B3 DATA CAPI message is different from
 108 * standard at act2000:
 109 *
 110 * Bit 0-4  = PLCI
 111 * Bit 5-7  = Controller
 112 * Bit 8-15 = NCCI
 113 */
 114#define MAKE_NCCI(plci, contr, ncci)                                    \
 115        ((plci & 0x1f) | ((contr & 0x7) << 5) | ((ncci & 0xff) << 8))
 116
 117#define EVAL_NCCI(fakencci, plci, ncci) {       \
 118                plci  = fakencci & 0x1f;                \
 119                ncci  = (fakencci >> 8) & 0xff;         \
 120        }
 121
 122/*
 123 * Layout of PLCI field in a B3 DATA CAPI message is different from
 124 * standard at act2000:
 125 *
 126 * Bit 0-4  = PLCI
 127 * Bit 5-7  = Controller
 128 * Bit 8-15 = reserved (must be 0)
 129 */
 130
 131typedef struct actcapi_msg {
 132        actcapi_msghdr hdr;
 133        union {
 134                __u16 manuf_msg;
 135                struct manufacturer_req_net {
 136                        __u16 manuf_msg;
 137                        __u16 controller;
 138                        __u8  nettype;
 139                } manufacturer_req_net;
 140                struct manufacturer_req_v42 {
 141                        __u16 manuf_msg;
 142                        __u16 controller;
 143                        __u32 v42control;
 144                } manufacturer_req_v42;
 145                struct manufacturer_conf_v42 {
 146                        __u16 manuf_msg;
 147                        __u16 controller;
 148                } manufacturer_conf_v42;
 149                struct manufacturer_req_err {
 150                        __u16 manuf_msg;
 151                        __u16 controller;
 152                } manufacturer_req_err;
 153                struct manufacturer_ind_err {
 154                        __u16 manuf_msg;
 155                        __u16 controller;
 156                        __u32 errcode;
 157                        __u8  errstring; /* actually up to 160 */
 158                } manufacturer_ind_err;
 159                struct manufacturer_req_msn {
 160                        __u16 manuf_msg;
 161                        __u16 controller;
 162                        actcapi_msn msnmap;
 163                } __attribute ((packed)) manufacturer_req_msn;
 164                /* TODO: TraceInit-req/conf/ind/resp and
 165                 *       TraceDump-req/conf/ind/resp
 166                 */
 167                struct connect_req {
 168                        __u8  controller;
 169                        __u8  bchan;
 170                        __u32 infomask;
 171                        __u8  si1;
 172                        __u8  si2;
 173                        __u8  eaz;
 174                        actcapi_addr addr;
 175                } __attribute__ ((packed)) connect_req;
 176                struct connect_conf {
 177                        __u16 plci;
 178                        __u16 info;
 179                } connect_conf;
 180                struct connect_ind {
 181                        __u16 plci;
 182                        __u8  controller;
 183                        __u8  si1;
 184                        __u8  si2;
 185                        __u8  eaz;
 186                        actcapi_addr addr;
 187                } __attribute__ ((packed)) connect_ind;
 188                struct connect_resp {
 189                        __u16 plci;
 190                        __u8  rejectcause;
 191                } connect_resp;
 192                struct connect_active_ind {
 193                        __u16 plci;
 194                        actcapi_addr addr;
 195                } __attribute__ ((packed)) connect_active_ind;
 196                struct connect_active_resp {
 197                        __u16 plci;
 198                } connect_active_resp;
 199                struct connect_b3_req {
 200                        __u16 plci;
 201                        actcapi_ncpi ncpi;
 202                } __attribute__ ((packed)) connect_b3_req;
 203                struct connect_b3_conf {
 204                        __u16 plci;
 205                        __u16 ncci;
 206                        __u16 info;
 207                } connect_b3_conf;
 208                struct connect_b3_ind {
 209                        __u16 ncci;
 210                        __u16 plci;
 211                        actcapi_ncpi ncpi;
 212                } __attribute__ ((packed)) connect_b3_ind;
 213                struct connect_b3_resp {
 214                        __u16 ncci;
 215                        __u8  rejectcause;
 216                        actcapi_ncpi ncpi;
 217                } __attribute__ ((packed)) connect_b3_resp;
 218                struct disconnect_req {
 219                        __u16 plci;
 220                        __u8  cause;
 221                } disconnect_req;
 222                struct disconnect_conf {
 223                        __u16 plci;
 224                        __u16 info;
 225                } disconnect_conf;
 226                struct disconnect_ind {
 227                        __u16 plci;
 228                        __u16 info;
 229                } disconnect_ind;
 230                struct disconnect_resp {
 231                        __u16 plci;
 232                } disconnect_resp;
 233                struct connect_b3_active_ind {
 234                        __u16 ncci;
 235                        actcapi_ncpi ncpi;
 236                } __attribute__ ((packed)) connect_b3_active_ind;
 237                struct connect_b3_active_resp {
 238                        __u16 ncci;
 239                } connect_b3_active_resp;
 240                struct disconnect_b3_req {
 241                        __u16 ncci;
 242                        actcapi_ncpi ncpi;
 243                } __attribute__ ((packed)) disconnect_b3_req;
 244                struct disconnect_b3_conf {
 245                        __u16 ncci;
 246                        __u16 info;
 247                } disconnect_b3_conf;
 248                struct disconnect_b3_ind {
 249                        __u16 ncci;
 250                        __u16 info;
 251                        actcapi_ncpi ncpi;
 252                } __attribute__ ((packed)) disconnect_b3_ind;
 253                struct disconnect_b3_resp {
 254                        __u16 ncci;
 255                } disconnect_b3_resp;
 256                struct info_ind {
 257                        __u16 plci;
 258                        actcapi_infonr nr;
 259                        actcapi_infoel el;
 260                } __attribute__ ((packed)) info_ind;
 261                struct info_resp {
 262                        __u16 plci;
 263                } info_resp;
 264                struct listen_b3_req {
 265                        __u16 plci;
 266                } listen_b3_req;
 267                struct listen_b3_conf {
 268                        __u16 plci;
 269                        __u16 info;
 270                } listen_b3_conf;
 271                struct select_b2_protocol_req {
 272                        __u16 plci;
 273                        __u8  protocol;
 274                        actcapi_dlpd dlpd;
 275                } __attribute__ ((packed)) select_b2_protocol_req;
 276                struct select_b2_protocol_conf {
 277                        __u16 plci;
 278                        __u16 info;
 279                } select_b2_protocol_conf;
 280                struct select_b3_protocol_req {
 281                        __u16 plci;
 282                        __u8  protocol;
 283                        actcapi_ncpd ncpd;
 284                } __attribute__ ((packed)) select_b3_protocol_req;
 285                struct select_b3_protocol_conf {
 286                        __u16 plci;
 287                        __u16 info;
 288                } select_b3_protocol_conf;
 289                struct listen_req {
 290                        __u8  controller;
 291                        __u32 infomask;
 292                        __u16 eazmask;
 293                        __u16 simask;
 294                } __attribute__ ((packed)) listen_req;
 295                struct listen_conf {
 296                        __u8  controller;
 297                        __u16 info;
 298                } __attribute__ ((packed)) listen_conf;
 299                struct data_b3_req {
 300                        __u16 fakencci;
 301                        __u16 datalen;
 302                        __u32 unused;
 303                        __u8  blocknr;
 304                        __u16 flags;
 305                } __attribute ((packed)) data_b3_req;
 306                struct data_b3_ind {
 307                        __u16 fakencci;
 308                        __u16 datalen;
 309                        __u32 unused;
 310                        __u8  blocknr;
 311                        __u16 flags;
 312                } __attribute__ ((packed)) data_b3_ind;
 313                struct data_b3_resp {
 314                        __u16 ncci;
 315                        __u8  blocknr;
 316                } __attribute__ ((packed)) data_b3_resp;
 317                struct data_b3_conf {
 318                        __u16 ncci;
 319                        __u8  blocknr;
 320                        __u16 info;
 321                } __attribute__ ((packed)) data_b3_conf;
 322        } msg;
 323} __attribute__ ((packed)) actcapi_msg;
 324
 325static inline unsigned short
 326actcapi_nextsmsg(act2000_card *card)
 327{
 328        unsigned long flags;
 329        unsigned short n;
 330
 331        spin_lock_irqsave(&card->mnlock, flags);
 332        n = card->msgnum;
 333        card->msgnum++;
 334        card->msgnum &= 0x7fff;
 335        spin_unlock_irqrestore(&card->mnlock, flags);
 336        return n;
 337}
 338#define DEBUG_MSG
 339#undef DEBUG_DATA_MSG
 340#undef DEBUG_DUMP_SKB
 341
 342extern int actcapi_chkhdr(act2000_card *, actcapi_msghdr *);
 343extern int actcapi_listen_req(act2000_card *);
 344extern int actcapi_manufacturer_req_net(act2000_card *);
 345extern int actcapi_manufacturer_req_errh(act2000_card *);
 346extern int actcapi_manufacturer_req_msn(act2000_card *);
 347extern int actcapi_connect_req(act2000_card *, act2000_chan *, char *, char, int, int);
 348extern void actcapi_select_b2_protocol_req(act2000_card *, act2000_chan *);
 349extern void actcapi_disconnect_b3_req(act2000_card *, act2000_chan *);
 350extern void actcapi_connect_resp(act2000_card *, act2000_chan *, __u8);
 351extern void actcapi_dispatch(struct work_struct *);
 352#ifdef DEBUG_MSG
 353extern void actcapi_debug_msg(struct sk_buff *skb, int);
 354#else
 355#define actcapi_debug_msg(skb, len)
 356#endif
 357#endif
 358
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.