SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/isdn/hysdn/hycapi.c

   1 /* $Id: hycapi.c,v 1.8.6.4 2001/09/23 22:24:54 kai Exp $
   2  *
   3  * Linux driver for HYSDN cards, CAPI2.0-Interface.
   4  *
   5  * Author    Ulrich Albrecht <u.albrecht@hypercope.de> for Hypercope GmbH
   6  * Copyright 2000 by Hypercope GmbH
   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  */
  12
  13 #include <linux/module.h>
  14 #include <linux/proc_fs.h>
  15 #include <linux/seq_file.h>
  16 #include <linux/signal.h>
  17 #include <linux/kernel.h>
  18 #include <linux/skbuff.h>
  19 #include <linux/netdevice.h>
  20
  21 #define VER_DRIVER      0
  22 #define VER_CARDTYPE    1
  23 #define VER_HWID        2
  24 #define VER_SERIAL      3
  25 #define VER_OPTION      4
  26 #define VER_PROTO       5
  27 #define VER_PROFILE     6
  28 #define VER_CAPI        7
  29
  30 #include "hysdn_defs.h"
  31 #include <linux/kernelcapi.h>
  32
  33 static char hycapi_revision[]="$Revision: 1.8.6.4 $";
  34
  35 unsigned int hycapi_enable = 0xffffffff;
  36 module_param(hycapi_enable, uint, 0);
  37
  38 typedef struct _hycapi_appl {
  39         unsigned int ctrl_mask;
  40         capi_register_params rp;
  41         struct sk_buff *listen_req[CAPI_MAXCONTR];
  42 } hycapi_appl;
  43
  44 static hycapi_appl hycapi_applications[CAPI_MAXAPPL];
  45
  46 static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb);
  47
  48 static inline int _hycapi_appCheck(int app_id, int ctrl_no)
  49 {
  50         if((ctrl_no <= 0) || (ctrl_no > CAPI_MAXCONTR) || (app_id <= 0) ||
  51            (app_id > CAPI_MAXAPPL))
  52         {
  53                 printk(KERN_ERR "HYCAPI: Invalid request app_id %d for controller %d", app_id, ctrl_no);
  54                 return -1;
  55         }
  56         return ((hycapi_applications[app_id-1].ctrl_mask & (1 << (ctrl_no-1))) != 0);
  57 }
  58
  59 /******************************
  60 Kernel-Capi callback reset_ctr
  61 ******************************/
  62
  63 static void
  64 hycapi_reset_ctr(struct capi_ctr *ctrl)
  65 {
  66         hycapictrl_info *cinfo = ctrl->driverdata;
  67
  68 #ifdef HYCAPI_PRINTFNAMES
  69         printk(KERN_NOTICE "HYCAPI hycapi_reset_ctr\n");
  70 #endif
  71         capilib_release(&cinfo->ncci_head);
  72         capi_ctr_down(ctrl);
  73 }
  74
  75 /******************************
  76 Kernel-Capi callback remove_ctr
  77 ******************************/
  78
  79 static void
  80 hycapi_remove_ctr(struct capi_ctr *ctrl)
  81 {
  82         int i;
  83         hycapictrl_info *cinfo = NULL;
  84         hysdn_card *card = NULL;
  85 #ifdef HYCAPI_PRINTFNAMES
  86         printk(KERN_NOTICE "HYCAPI hycapi_remove_ctr\n");
  87 #endif
  88         cinfo = (hycapictrl_info *)(ctrl->driverdata);
  89         if(!cinfo) {
  90                 printk(KERN_ERR "No hycapictrl_info set!");
  91                 return;
  92         }
  93         card = cinfo->card;
  94         capi_ctr_suspend_output(ctrl);
  95         for(i=0; i<CAPI_MAXAPPL;i++) {
  96                 if(hycapi_applications[i].listen_req[ctrl->cnr-1]) {
  97                         kfree_skb(hycapi_applications[i].listen_req[ctrl->cnr-1]);
  98                         hycapi_applications[i].listen_req[ctrl->cnr-1] = NULL;
  99                 }
 100         }
 101         detach_capi_ctr(ctrl);
 102         ctrl->driverdata = NULL;
 103         kfree(card->hyctrlinfo);
 104
 105
 106         card->hyctrlinfo = NULL;
 107 }
 108
 109 /***********************************************************
 110
 111 Queue a CAPI-message to the controller.
 112
 113 ***********************************************************/
 114
 115 static void
 116 hycapi_sendmsg_internal(struct capi_ctr *ctrl, struct sk_buff *skb)
 117 {
 118         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 119         hysdn_card *card = cinfo->card;
 120
 121         spin_lock_irq(&cinfo->lock);
 122 #ifdef HYCAPI_PRINTFNAMES
 123         printk(KERN_NOTICE "hycapi_send_message\n");
 124 #endif
 125         cinfo->skbs[cinfo->in_idx++] = skb;     /* add to buffer list */
 126         if (cinfo->in_idx >= HYSDN_MAX_CAPI_SKB)
 127                 cinfo->in_idx = 0;      /* wrap around */
 128         cinfo->sk_count++;              /* adjust counter */
 129         if (cinfo->sk_count >= HYSDN_MAX_CAPI_SKB) {
 130                 /* inform upper layers we're full */
 131                 printk(KERN_ERR "HYSDN Card%d: CAPI-buffer overrun!\n",
 132                        card->myid);
 133                 capi_ctr_suspend_output(ctrl);
 134         }
 135         cinfo->tx_skb = skb;
 136         spin_unlock_irq(&cinfo->lock);
 137         schedule_work(&card->irq_queue);
 138 }
 139
 140 /***********************************************************
 141 hycapi_register_internal
 142
 143 Send down the CAPI_REGISTER-Command to the controller.
 144 This functions will also be used if the adapter has been rebooted to
 145 re-register any applications in the private list.
 146
 147 ************************************************************/
 148
 149 static void
 150 hycapi_register_internal(struct capi_ctr *ctrl, __u16 appl,
 151                          capi_register_params *rp)
 152 {
 153         char ExtFeatureDefaults[] = "49  /0/0/0/0,*/1,*/2,*/3,*/4,*/5,*/6,*/7,*/8,*/9,*";
 154         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 155         hysdn_card *card = cinfo->card;
 156         struct sk_buff *skb;
 157         __u16 len;
 158         __u8 _command = 0xa0, _subcommand = 0x80;
 159         __u16 MessageNumber = 0x0000;
 160         __u16 MessageBufferSize = 0;
 161         int slen = strlen(ExtFeatureDefaults);
 162 #ifdef HYCAPI_PRINTFNAMES
 163         printk(KERN_NOTICE "hycapi_register_appl\n");
 164 #endif
 165         MessageBufferSize = rp->level3cnt * rp->datablkcnt * rp->datablklen;
 166
 167         len = CAPI_MSG_BASELEN + 8 + slen + 1;
 168         if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
 169                 printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
 170                        card->myid);
 171                 return;
 172         }
 173         memcpy(skb_put(skb,sizeof(__u16)), &len, sizeof(__u16));
 174         memcpy(skb_put(skb,sizeof(__u16)), &appl, sizeof(__u16));
 175         memcpy(skb_put(skb,sizeof(__u8)), &_command, sizeof(_command));
 176         memcpy(skb_put(skb,sizeof(__u8)), &_subcommand, sizeof(_subcommand));
 177         memcpy(skb_put(skb,sizeof(__u16)), &MessageNumber, sizeof(__u16));
 178         memcpy(skb_put(skb,sizeof(__u16)), &MessageBufferSize, sizeof(__u16));
 179         memcpy(skb_put(skb,sizeof(__u16)), &(rp->level3cnt), sizeof(__u16));
 180         memcpy(skb_put(skb,sizeof(__u16)), &(rp->datablkcnt), sizeof(__u16));
 181         memcpy(skb_put(skb,sizeof(__u16)), &(rp->datablklen), sizeof(__u16));
 182         memcpy(skb_put(skb,slen), ExtFeatureDefaults, slen);
 183         hycapi_applications[appl-1].ctrl_mask |= (1 << (ctrl->cnr-1));
 184         hycapi_send_message(ctrl, skb);
 185 }
 186
 187 /************************************************************
 188 hycapi_restart_internal
 189
 190 After an adapter has been rebootet, re-register all applications and
 191 send a LISTEN_REQ (if there has been such a thing )
 192
 193 *************************************************************/
 194
 195 static void hycapi_restart_internal(struct capi_ctr *ctrl)
 196 {
 197         int i;
 198         struct sk_buff *skb;
 199 #ifdef HYCAPI_PRINTFNAMES
 200         printk(KERN_WARNING "HYSDN: hycapi_restart_internal");
 201 #endif
 202         for(i=0; i<CAPI_MAXAPPL; i++) {
 203                 if(_hycapi_appCheck(i+1, ctrl->cnr) == 1) {
 204                         hycapi_register_internal(ctrl, i+1,
 205                                                  &hycapi_applications[i].rp);
 206                         if(hycapi_applications[i].listen_req[ctrl->cnr-1]) {
 207                                 skb = skb_copy(hycapi_applications[i].listen_req[ctrl->cnr-1], GFP_ATOMIC);
 208                                 hycapi_sendmsg_internal(ctrl, skb);
 209                         }
 210                 }
 211         }
 212 }
 213
 214 /*************************************************************
 215 Register an application.
 216 Error-checking is done for CAPI-compliance.
 217
 218 The application is recorded in the internal list.
 219 *************************************************************/
 220
 221 static void
 222 hycapi_register_appl(struct capi_ctr *ctrl, __u16 appl,
 223                      capi_register_params *rp)
 224 {
 225         int MaxLogicalConnections = 0, MaxBDataBlocks = 0, MaxBDataLen = 0;
 226         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 227         hysdn_card *card = cinfo->card;
 228         int chk = _hycapi_appCheck(appl, ctrl->cnr);
 229         if(chk < 0) {
 230                 return;
 231         }
 232         if(chk == 1) {
 233                 printk(KERN_INFO "HYSDN: apl %d already registered\n", appl);
 234                 return;
 235         }
 236         MaxBDataBlocks = rp->datablkcnt > CAPI_MAXDATAWINDOW ? CAPI_MAXDATAWINDOW : rp->datablkcnt;
 237         rp->datablkcnt = MaxBDataBlocks;
 238         MaxBDataLen = rp->datablklen < 1024 ? 1024 : rp->datablklen ;
 239         rp->datablklen = MaxBDataLen;
 240
 241         MaxLogicalConnections = rp->level3cnt;
 242         if (MaxLogicalConnections < 0) {
 243                 MaxLogicalConnections = card->bchans * -MaxLogicalConnections;
 244         }
 245         if (MaxLogicalConnections == 0) {
 246                 MaxLogicalConnections = card->bchans;
 247         }
 248
 249         rp->level3cnt = MaxLogicalConnections;
 250         memcpy(&hycapi_applications[appl-1].rp,
 251                rp, sizeof(capi_register_params));
 252 }
 253
 254 /*********************************************************************
 255
 256 hycapi_release_internal
 257
 258 Send down a CAPI_RELEASE to the controller.
 259 *********************************************************************/
 260
 261 static void hycapi_release_internal(struct capi_ctr *ctrl, __u16 appl)
 262 {
 263         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 264         hysdn_card *card = cinfo->card;
 265         struct sk_buff *skb;
 266         __u16 len;
 267         __u8 _command = 0xa1, _subcommand = 0x80;
 268         __u16 MessageNumber = 0x0000;
 269
 270         capilib_release_appl(&cinfo->ncci_head, appl);
 271
 272 #ifdef HYCAPI_PRINTFNAMES
 273         printk(KERN_NOTICE "hycapi_release_appl\n");
 274 #endif
 275         len = CAPI_MSG_BASELEN;
 276         if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
 277                 printk(KERN_ERR "HYSDN card%d: memory squeeze in hycapi_register_appl\n",
 278                        card->myid);
 279                 return;
 280         }
 281         memcpy(skb_put(skb,sizeof(__u16)), &len, sizeof(__u16));
 282         memcpy(skb_put(skb,sizeof(__u16)), &appl, sizeof(__u16));
 283         memcpy(skb_put(skb,sizeof(__u8)), &_command, sizeof(_command));
 284         memcpy(skb_put(skb,sizeof(__u8)), &_subcommand, sizeof(_subcommand));
 285         memcpy(skb_put(skb,sizeof(__u16)), &MessageNumber, sizeof(__u16));
 286         hycapi_send_message(ctrl, skb);
 287         hycapi_applications[appl-1].ctrl_mask &= ~(1 << (ctrl->cnr-1));
 288 }
 289
 290 /******************************************************************
 291 hycapi_release_appl
 292
 293 Release the application from the internal list an remove it's
 294 registration at controller-level
 295 ******************************************************************/
 296
 297 static void
 298 hycapi_release_appl(struct capi_ctr *ctrl, __u16 appl)
 299 {
 300         int chk;
 301
 302         chk = _hycapi_appCheck(appl, ctrl->cnr);
 303         if(chk<0) {
 304                 printk(KERN_ERR "HYCAPI: Releasing invalid appl %d on controller %d\n", appl, ctrl->cnr);
 305                 return;
 306         }
 307         if(hycapi_applications[appl-1].listen_req[ctrl->cnr-1]) {
 308                 kfree_skb(hycapi_applications[appl-1].listen_req[ctrl->cnr-1]);
 309                 hycapi_applications[appl-1].listen_req[ctrl->cnr-1] = NULL;
 310         }
 311         if(chk == 1)
 312         {
 313                 hycapi_release_internal(ctrl, appl);
 314         }
 315 }
 316
 317
 318 /**************************************************************
 319 Kill a single controller.
 320 **************************************************************/
 321
 322 int hycapi_capi_release(hysdn_card *card)
 323 {
 324         hycapictrl_info *cinfo = card->hyctrlinfo;
 325         struct capi_ctr *ctrl;
 326 #ifdef HYCAPI_PRINTFNAMES
 327         printk(KERN_NOTICE "hycapi_capi_release\n");
 328 #endif
 329         if(cinfo) {
 330                 ctrl = &cinfo->capi_ctrl;
 331                 hycapi_remove_ctr(ctrl);
 332         }
 333         return 0;
 334 }
 335
 336 /**************************************************************
 337 hycapi_capi_stop
 338
 339 Stop CAPI-Output on a card. (e.g. during reboot)
 340 ***************************************************************/
 341
 342 int hycapi_capi_stop(hysdn_card *card)
 343 {
 344         hycapictrl_info *cinfo = card->hyctrlinfo;
 345         struct capi_ctr *ctrl;
 346 #ifdef HYCAPI_PRINTFNAMES
 347         printk(KERN_NOTICE "hycapi_capi_stop\n");
 348 #endif
 349         if(cinfo) {
 350                 ctrl = &cinfo->capi_ctrl;
 351 /*              ctrl->suspend_output(ctrl); */
 352                 capi_ctr_down(ctrl);
 353         }
 354         return 0;
 355 }
 356
 357 /***************************************************************
 358 hycapi_send_message
 359
 360 Send a message to the controller.
 361
 362 Messages are parsed for their Command/Subcommand-type, and appropriate
 363 action's are performed.
 364
 365 Note that we have to muck around with a 64Bit-DATA_REQ as there are
 366 firmware-releases that do not check the MsgLen-Indication!
 367
 368 ***************************************************************/
 369
 370 static u16 hycapi_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
 371 {
 372         __u16 appl_id;
 373         int _len, _len2;
 374         __u8 msghead[64];
 375         hycapictrl_info *cinfo = ctrl->driverdata;
 376         u16 retval = CAPI_NOERROR;
 377
 378         appl_id = CAPIMSG_APPID(skb->data);
 379         switch(_hycapi_appCheck(appl_id, ctrl->cnr))
 380         {
 381                 case 0:
 382 /*                      printk(KERN_INFO "Need to register\n"); */
 383                         hycapi_register_internal(ctrl,
 384                                                  appl_id,
 385                                                  &(hycapi_applications[appl_id-1].rp));
 386                         break;
 387                 case 1:
 388                         break;
 389                 default:
 390                         printk(KERN_ERR "HYCAPI: Controller mixup!\n");
 391                         retval = CAPI_ILLAPPNR;
 392                         goto out;
 393         }
 394         switch(CAPIMSG_CMD(skb->data)) {
 395                 case CAPI_DISCONNECT_B3_RESP:
 396                         capilib_free_ncci(&cinfo->ncci_head, appl_id,
 397                                           CAPIMSG_NCCI(skb->data));
 398                         break;
 399                 case CAPI_DATA_B3_REQ:
 400                         _len = CAPIMSG_LEN(skb->data);
 401                         if (_len > 22) {
 402                                 _len2 = _len - 22;
 403                                 skb_copy_from_linear_data(skb, msghead, 22);
 404                                 skb_copy_to_linear_data_offset(skb, _len2,
 405                                                                msghead, 22);
 406                                 skb_pull(skb, _len2);
 407                                 CAPIMSG_SETLEN(skb->data, 22);
 408                                 retval = capilib_data_b3_req(&cinfo->ncci_head,
 409                                                              CAPIMSG_APPID(skb->data),
 410                                                              CAPIMSG_NCCI(skb->data),
 411                                                              CAPIMSG_MSGID(skb->data));
 412                         }
 413                         break;
 414                 case CAPI_LISTEN_REQ:
 415                         if(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1])
 416                         {
 417                                 kfree_skb(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1]);
 418                                 hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = NULL;
 419                         }
 420                         if (!(hycapi_applications[appl_id-1].listen_req[ctrl->cnr-1] = skb_copy(skb, GFP_ATOMIC)))
 421                         {
 422                                 printk(KERN_ERR "HYSDN: memory squeeze in private_listen\n");
 423                         }
 424                         break;
 425                 default:
 426                         break;
 427         }
 428  out:
 429         if (retval == CAPI_NOERROR)
 430                 hycapi_sendmsg_internal(ctrl, skb);
 431         else
 432                 dev_kfree_skb_any(skb);
 433
 434         return retval;
 435 }
 436
 437 static int hycapi_proc_show(struct seq_file *m, void *v)
 438 {
 439         struct capi_ctr *ctrl = m->private;
 440         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 441         hysdn_card *card = cinfo->card;
 442         char *s;
 443
 444         seq_printf(m, "%-16s %s\n", "name", cinfo->cardname);
 445         seq_printf(m, "%-16s 0x%x\n", "io", card->iobase);
 446         seq_printf(m, "%-16s %d\n", "irq", card->irq);
 447
 448         switch (card->brdtype) {
 449                 case BD_PCCARD:  s = "HYSDN Hycard"; break;
 450                 case BD_ERGO: s = "HYSDN Ergo2"; break;
 451                 case BD_METRO: s = "HYSDN Metro4"; break;
 452                 case BD_CHAMP2: s = "HYSDN Champ2";     break;
 453                 case BD_PLEXUS: s = "HYSDN Plexus30"; break;
 454                 default: s = "???"; break;
 455         }
 456         seq_printf(m, "%-16s %s\n", "type", s);
 457         if ((s = cinfo->version[VER_DRIVER]) != NULL)
 458                 seq_printf(m, "%-16s %s\n", "ver_driver", s);
 459         if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
 460                 seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
 461         if ((s = cinfo->version[VER_SERIAL]) != NULL)
 462                 seq_printf(m, "%-16s %s\n", "ver_serial", s);
 463
 464         seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
 465
 466         return 0;
 467 }
 468
 469 static int hycapi_proc_open(struct inode *inode, struct file *file)
 470 {
 471         return single_open(file, hycapi_proc_show, PDE(inode)->data);
 472 }
 473
 474 static const struct file_operations hycapi_proc_fops = {
 475         .owner          = THIS_MODULE,
 476         .open           = hycapi_proc_open,
 477         .read           = seq_read,
 478         .llseek         = seq_lseek,
 479         .release        = single_release,
 480 };
 481
 482 /**************************************************************
 483 hycapi_load_firmware
 484
 485 This does NOT load any firmware, but the callback somehow is needed
 486 on capi-interface registration.
 487
 488 **************************************************************/
 489
 490 static int hycapi_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
 491 {
 492 #ifdef HYCAPI_PRINTFNAMES
 493         printk(KERN_NOTICE "hycapi_load_firmware\n");
 494 #endif
 495         return 0;
 496 }
 497
 498
 499 static char *hycapi_procinfo(struct capi_ctr *ctrl)
 500 {
 501         hycapictrl_info *cinfo = (hycapictrl_info *)(ctrl->driverdata);
 502 #ifdef HYCAPI_PRINTFNAMES
 503         printk(KERN_NOTICE "hycapi_proc_info\n");
 504 #endif
 505         if (!cinfo)
 506                 return "";
 507         sprintf(cinfo->infobuf, "%s %s 0x%x %d %s",
 508                 cinfo->cardname[0] ? cinfo->cardname : "-",
 509                 cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
 510                 cinfo->card ? cinfo->card->iobase : 0x0,
 511                 cinfo->card ? cinfo->card->irq : 0,
 512                 hycapi_revision
 513                 );
 514         return cinfo->infobuf;
 515 }
 516
 517 /******************************************************************
 518 hycapi_rx_capipkt
 519
 520 Receive a capi-message.
 521
 522 All B3_DATA_IND are converted to 64K-extension compatible format.
 523 New nccis are created if necessary.
 524 *******************************************************************/
 525
 526 void
 527 hycapi_rx_capipkt(hysdn_card * card, unsigned char *buf, unsigned short len)
 528 {
 529         struct sk_buff *skb;
 530         hycapictrl_info *cinfo = card->hyctrlinfo;
 531         struct capi_ctr *ctrl;
 532         __u16 ApplId;
 533         __u16 MsgLen, info;
 534         __u16 len2, CapiCmd;
 535         __u32 CP64[2] = {0,0};
 536 #ifdef HYCAPI_PRINTFNAMES
 537         printk(KERN_NOTICE "hycapi_rx_capipkt\n");
 538 #endif
 539         if(!cinfo) {
 540                 return;
 541         }
 542         ctrl = &cinfo->capi_ctrl;
 543         if(len < CAPI_MSG_BASELEN) {
 544                 printk(KERN_ERR "HYSDN Card%d: invalid CAPI-message, length %d!\n",
 545                        card->myid, len);
 546                 return;
 547         }
 548         MsgLen = CAPIMSG_LEN(buf);
 549         ApplId = CAPIMSG_APPID(buf);
 550         CapiCmd = CAPIMSG_CMD(buf);
 551
 552         if((CapiCmd == CAPI_DATA_B3_IND) && (MsgLen < 30)) {
 553                 len2 = len + (30 - MsgLen);
 554                 if (!(skb = alloc_skb(len2, GFP_ATOMIC))) {
 555                         printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
 556                                card->myid);
 557                         return;
 558                 }
 559                 memcpy(skb_put(skb, MsgLen), buf, MsgLen);
 560                 memcpy(skb_put(skb, 2*sizeof(__u32)), CP64, 2* sizeof(__u32));
 561                 memcpy(skb_put(skb, len - MsgLen), buf + MsgLen,
 562                        len - MsgLen);
 563                 CAPIMSG_SETLEN(skb->data, 30);
 564         } else {
 565                 if (!(skb = alloc_skb(len, GFP_ATOMIC))) {
 566                         printk(KERN_ERR "HYSDN Card%d: incoming packet dropped\n",
 567                                card->myid);
 568                         return;
 569                 }
 570                 memcpy(skb_put(skb, len), buf, len);
 571         }
 572         switch(CAPIMSG_CMD(skb->data))
 573         {
 574                 case CAPI_CONNECT_B3_CONF:
 575 /* Check info-field for error-indication: */
 576                         info = CAPIMSG_U16(skb->data, 12);
 577                         switch(info)
 578                         {
 579                                 case 0:
 580                                         capilib_new_ncci(&cinfo->ncci_head, ApplId, CAPIMSG_NCCI(skb->data),
 581                                                          hycapi_applications[ApplId-1].rp.datablkcnt);
 582
 583                                         break;
 584                                 case 0x0001:
 585                                         printk(KERN_ERR "HYSDN Card%d: NCPI not supported by current "
 586                                                "protocol. NCPI ignored.\n", card->myid);
 587                                         break;
 588                                 case 0x2001:
 589                                         printk(KERN_ERR "HYSDN Card%d: Message not supported in"
 590                                                " current state\n", card->myid);
 591                                         break;
 592                                 case 0x2002:
 593                                         printk(KERN_ERR "HYSDN Card%d: invalid PLCI\n", card->myid);
 594                                         break;
 595                                 case 0x2004:
 596                                         printk(KERN_ERR "HYSDN Card%d: out of NCCI\n", card->myid);
 597                                         break;
 598                                 case 0x3008:
 599                                         printk(KERN_ERR "HYSDN Card%d: NCPI not supported\n",
 600                                                card->myid);
 601                                         break;
 602                                 default:
 603                                         printk(KERN_ERR "HYSDN Card%d: Info in CONNECT_B3_CONF: %d\n",
 604                                                card->myid, info);
 605                                         break;
 606                         }
 607                         break;
 608                 case CAPI_CONNECT_B3_IND:
 609                         capilib_new_ncci(&cinfo->ncci_head, ApplId,
 610                                          CAPIMSG_NCCI(skb->data),
 611                                          hycapi_applications[ApplId-1].rp.datablkcnt);
 612                         break;
 613                 case CAPI_DATA_B3_CONF:
 614                         capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
 615                                              CAPIMSG_NCCI(skb->data),
 616                                              CAPIMSG_MSGID(skb->data));
 617                         break;
 618                 default:
 619                         break;
 620         }
 621         capi_ctr_handle_message(ctrl, ApplId, skb);
 622 }
 623
 624 /******************************************************************
 625 hycapi_tx_capiack
 626
 627 Internally acknowledge a msg sent. This will remove the msg from the
 628 internal queue.
 629
 630 *******************************************************************/
 631
 632 void hycapi_tx_capiack(hysdn_card * card)
 633 {
 634         hycapictrl_info *cinfo = card->hyctrlinfo;
 635 #ifdef HYCAPI_PRINTFNAMES
 636         printk(KERN_NOTICE "hycapi_tx_capiack\n");
 637 #endif
 638         if(!cinfo) {
 639                 return;
 640         }
 641         spin_lock_irq(&cinfo->lock);
 642         kfree_skb(cinfo->skbs[cinfo->out_idx]);         /* free skb */
 643         cinfo->skbs[cinfo->out_idx++] = NULL;
 644         if (cinfo->out_idx >= HYSDN_MAX_CAPI_SKB)
 645                 cinfo->out_idx = 0;     /* wrap around */
 646
 647         if (cinfo->sk_count-- == HYSDN_MAX_CAPI_SKB)    /* dec usage count */
 648                 capi_ctr_resume_output(&cinfo->capi_ctrl);
 649         spin_unlock_irq(&cinfo->lock);
 650 }
 651
 652 /***************************************************************
 653 hycapi_tx_capiget(hysdn_card *card)
 654
 655 This is called when polling for messages to SEND.
 656
 657 ****************************************************************/
 658
 659 struct sk_buff *
 660 hycapi_tx_capiget(hysdn_card *card)
 661 {
 662         hycapictrl_info *cinfo = card->hyctrlinfo;
 663         if(!cinfo) {
 664                 return (struct sk_buff *)NULL;
 665         }
 666         if (!cinfo->sk_count)
 667                 return (struct sk_buff *)NULL;  /* nothing available */
 668
 669         return (cinfo->skbs[cinfo->out_idx]);           /* next packet to send */
 670 }
 671
 672
 673 /**********************************************************
 674 int hycapi_init()
 675
 676 attach the capi-driver to the kernel-capi.
 677
 678 ***********************************************************/
 679
 680 int hycapi_init(void)
 681 {
 682         int i;
 683         for(i=0;i<CAPI_MAXAPPL;i++) {
 684                 memset(&(hycapi_applications[i]), 0, sizeof(hycapi_appl));
 685         }
 686         return(0);
 687 }
 688
 689 /**************************************************************
 690 hycapi_cleanup(void)
 691
 692 detach the capi-driver to the kernel-capi. Actually this should
 693 free some more ressources. Do that later.
 694 **************************************************************/
 695
 696 void
 697 hycapi_cleanup(void)
 698 {
 699 }
 700
 701 /********************************************************************
 702 hycapi_capi_create(hysdn_card *card)
 703
 704 Attach the card with its capi-ctrl.
 705 *********************************************************************/
 706
 707 static void hycapi_fill_profile(hysdn_card *card)
 708 {
 709         hycapictrl_info *cinfo = NULL;
 710         struct capi_ctr *ctrl = NULL;
 711         cinfo = card->hyctrlinfo;
 712         if(!cinfo) return;
 713         ctrl = &cinfo->capi_ctrl;
 714         strcpy(ctrl->manu, "Hypercope");
 715         ctrl->version.majorversion = 2;
 716         ctrl->version.minorversion = 0;
 717         ctrl->version.majormanuversion = 3;
 718         ctrl->version.minormanuversion = 2;
 719         ctrl->profile.ncontroller = card->myid;
 720         ctrl->profile.nbchannel = card->bchans;
 721         ctrl->profile.goptions = GLOBAL_OPTION_INTERNAL_CONTROLLER |
 722                 GLOBAL_OPTION_B_CHANNEL_OPERATION;
 723         ctrl->profile.support1 =  B1_PROT_64KBIT_HDLC |
 724                 (card->faxchans ? B1_PROT_T30 : 0) |
 725                 B1_PROT_64KBIT_TRANSPARENT;
 726         ctrl->profile.support2 = B2_PROT_ISO7776 |
 727                 (card->faxchans ? B2_PROT_T30 : 0) |
 728                 B2_PROT_TRANSPARENT;
 729         ctrl->profile.support3 = B3_PROT_TRANSPARENT |
 730                 B3_PROT_T90NL |
 731                 (card->faxchans ? B3_PROT_T30 : 0) |
 732                 (card->faxchans ? B3_PROT_T30EXT : 0) |
 733                 B3_PROT_ISO8208;
 734 }
 735
 736 int
 737 hycapi_capi_create(hysdn_card *card)
 738 {
 739         hycapictrl_info *cinfo = NULL;
 740         struct capi_ctr *ctrl = NULL;
 741         int retval;
 742 #ifdef HYCAPI_PRINTFNAMES
 743         printk(KERN_NOTICE "hycapi_capi_create\n");
 744 #endif
 745         if((hycapi_enable & (1 << card->myid)) == 0) {
 746                 return 1;
 747         }
 748         if (!card->hyctrlinfo) {
 749                 cinfo = kzalloc(sizeof(hycapictrl_info), GFP_ATOMIC);
 750                 if (!cinfo) {
 751                         printk(KERN_WARNING "HYSDN: no memory for capi-ctrl.\n");
 752                         return -ENOMEM;
 753                 }
 754                 card->hyctrlinfo = cinfo;
 755                 cinfo->card = card;
 756                 spin_lock_init(&cinfo->lock);
 757                 INIT_LIST_HEAD(&cinfo->ncci_head);
 758
 759                 switch (card->brdtype) {
 760                         case BD_PCCARD:  strcpy(cinfo->cardname,"HYSDN Hycard"); break;
 761                         case BD_ERGO: strcpy(cinfo->cardname,"HYSDN Ergo2"); break;
 762                         case BD_METRO: strcpy(cinfo->cardname,"HYSDN Metro4"); break;
 763                         case BD_CHAMP2: strcpy(cinfo->cardname,"HYSDN Champ2"); break;
 764                         case BD_PLEXUS: strcpy(cinfo->cardname,"HYSDN Plexus30"); break;
 765                         default: strcpy(cinfo->cardname,"HYSDN ???"); break;
 766                 }
 767
 768                 ctrl = &cinfo->capi_ctrl;
 769                 ctrl->driver_name   = "hycapi";
 770                 ctrl->driverdata    = cinfo;
 771                 ctrl->register_appl = hycapi_register_appl;
 772                 ctrl->release_appl  = hycapi_release_appl;
 773                 ctrl->send_message  = hycapi_send_message;
 774                 ctrl->load_firmware = hycapi_load_firmware;
 775                 ctrl->reset_ctr     = hycapi_reset_ctr;
 776                 ctrl->procinfo      = hycapi_procinfo;
 777                 ctrl->proc_fops = &hycapi_proc_fops;
 778                 strcpy(ctrl->name, cinfo->cardname);
 779                 ctrl->owner = THIS_MODULE;
 780
 781                 retval = attach_capi_ctr(ctrl);
 782                 if (retval) {
 783                         printk(KERN_ERR "hycapi: attach controller failed.\n");
 784                         return -EBUSY;
 785                 }
 786                 /* fill in the blanks: */
 787                 hycapi_fill_profile(card);
 788                 capi_ctr_ready(ctrl);
 789         } else {
 790                 /* resume output on stopped ctrl */
 791                 ctrl = &card->hyctrlinfo->capi_ctrl;
 792                 hycapi_fill_profile(card);
 793                 capi_ctr_ready(ctrl);
 794                 hycapi_restart_internal(ctrl);
 795 /*              ctrl->resume_output(ctrl); */
 796         }
 797         return 0;
 798 }