sys/net/i4b/layer4/i4b_i4bdrv.c

   1 /*
   2  * Copyright (c) 1997, 2001 Hellmuth Michaelis. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  19  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  20  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  *---------------------------------------------------------------------------
  26  *
  27  *      i4b_i4bdrv.c - i4b userland interface driver
  28  *      --------------------------------------------
  29  *
  30  * $FreeBSD: src/sys/i4b/layer4/i4b_i4bdrv.c,v 1.11.2.5 2001/12/16 15:12:59 hm Exp $
  31  * $DragonFly: src/sys/net/i4b/layer4/i4b_i4bdrv.c,v 1.11 2005/01/23 13:47:24 joerg Exp $
  32  *
  33  *      last edit-date: [Sat Aug 11 18:08:10 2001]
  34  *
  35  *---------------------------------------------------------------------------*/
  36
  37 #include "use_i4b.h"
  38 #include "use_i4bipr.h"
  39 #include "use_i4btel.h"
  40
  41 #if NI4B > 1
  42 #error "only 1 (one) i4b device possible!"
  43 #endif
  44
  45 #if NI4B > 0
  46
  47 #include <sys/param.h>
  48
  49 #if defined(__DragonFly__) || defined(__FreeBSD__)
  50 #include <sys/ioccom.h>
  51 #include <sys/malloc.h>
  52 #include <sys/uio.h>
  53 #else
  54 #include <sys/ioctl.h>
  55 #endif
  56
  57 #include <sys/kernel.h>
  58 #include <sys/systm.h>
  59 #include <sys/conf.h>
  60 #include <sys/mbuf.h>
  61 #include <sys/socket.h>
  62 #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
  63 #include <sys/selinfo.h>
  64 #else
  65 #include <sys/select.h>
  66 #endif
  67 #include <net/if.h>
  68
  69 #ifdef __NetBSD__
  70 #include <sys/types.h>
  71 #endif
  72
  73 #if defined(__DragonFly__) || defined(__FreeBSD__)
  74 #include "use_i4bing.h"
  75 #endif
  76
  77 #ifdef __bsdi__
  78 #include "ibc.h"
  79 #else
  80 #if defined(__DragonFly__) || defined(__FreeBSD__)
  81 #include "use_i4bisppp.h"
  82 #else
  83 #include <net/if_sppp.h>
  84 #endif
  85 #endif
  86
  87 #if defined(__DragonFly__) || defined(__FreeBSD__)
  88
  89 #if defined(__FreeBSD__) && __FreeBSD__ == 3
  90 #include "opt_devfs.h"
  91 #endif
  92
  93 #ifdef DEVFS
  94 #include <sys/devfsext.h>
  95 #endif
  96
  97 #endif /* __FreeBSD__*/
  98
  99 #if defined(__DragonFly__) || defined(__FreeBSD__)
 100 #include <net/i4b/include/machine/i4b_debug.h>
 101 #include <net/i4b/include/machine/i4b_ioctl.h>
 102 #include <net/i4b/include/machine/i4b_cause.h>
 103 #else
 104 #include <i4b/i4b_debug.h>
 105 #include <i4b/i4b_ioctl.h>
 106 #include <i4b/i4b_cause.h>
 107 #endif
 108
 109 #include "../include/i4b_l3l4.h"
 110 #include "../include/i4b_mbuf.h"
 111 #include "../include/i4b_global.h"
 112
 113 #include "i4b_l4.h"
 114
 115 #ifdef OS_USES_POLL
 116 #include <sys/poll.h>
 117 #endif
 118
 119 struct selinfo select_rd_info;
 120
 121 static struct ifqueue i4b_rdqueue;
 122 static int openflag = 0;
 123 static int selflag = 0;
 124 static int readflag = 0;
 125
 126 #if defined(__FreeBSD__) && __FreeBSD__ == 3
 127 #ifdef DEVFS
 128 static void *devfs_token;
 129 #endif
 130 #endif
 131
 132 #if !defined(__DragonFly__) && !defined(__FreeBSD__)
 133
 134 #define PDEVSTATIC      /* - not static - */
 135 PDEVSTATIC void i4battach (void);
 136 PDEVSTATIC int i4bopen (dev_t dev, int flag, int fmt, struct proc *p);
 137 PDEVSTATIC int i4bclose (dev_t dev, int flag, int fmt, struct proc *p);
 138 PDEVSTATIC int i4bread (dev_t dev, struct uio *uio, int ioflag);
 139
 140 #ifdef __bsdi__
 141 PDEVSTATIC int i4bioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p);
 142 #else
 143 PDEVSTATIC int i4bioctl (dev_t dev, int cmd, caddr_t data, int flag, struct proc *p);
 144 #endif
 145
 146 #ifdef OS_USES_POLL
 147 PDEVSTATIC int i4bpoll (dev_t dev, int events, struct proc *p);
 148 #else
 149 PDEVSTATIC int i4bselect (dev_t dev, int rw, struct proc *p);
 150 #endif
 151
 152 #endif /* #ifndef __FreeBSD__ */
 153
 154 #if defined(__DragonFly__) || (BSD > 199306 && defined(__FreeBSD__))
 155
 156 #define PDEVSTATIC      static
 157
 158 PDEVSTATIC      d_open_t        i4bopen;
 159 PDEVSTATIC      d_close_t       i4bclose;
 160 PDEVSTATIC      d_read_t        i4bread;
 161 PDEVSTATIC      d_ioctl_t       i4bioctl;
 162
 163 #ifdef OS_USES_POLL
 164 PDEVSTATIC      d_poll_t        i4bpoll;
 165 #define POLLFIELD               i4bpoll
 166 #else
 167 PDEVSTATIC      d_select_t      i4bselect;
 168 #define POLLFIELD               i4bselect
 169 #endif
 170
 171 #define CDEV_MAJOR 60
 172
 173 #if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
 174 static struct cdevsw i4b_cdevsw = {
 175         /* name */      "i4b",
 176         /* maj */       CDEV_MAJOR,
 177         /* flags */     0,
 178         /* port */      NULL,
 179         /* clone */     NULL,
 180
 181         /* open */      i4bopen,
 182         /* close */     i4bclose,
 183         /* read */      i4bread,
 184         /* write */     nowrite,
 185         /* ioctl */     i4bioctl,
 186         /* poll */      POLLFIELD,
 187         /* mmap */      nommap,
 188         /* strategy */  nostrategy,
 189         /* dump */      nodump,
 190         /* psize */     nopsize
 191 };
 192 #else
 193 static struct cdevsw i4b_cdevsw = {
 194         i4bopen,        i4bclose,       i4bread,        nowrite,
 195         i4bioctl,       nostop,         nullreset,      nodevtotty,
 196         POLLFIELD,      nommap,         NULL,           "i4b", NULL,    -1
 197 };
 198 #endif
 199
 200 PDEVSTATIC void i4battach(void *);
 201 PSEUDO_SET(i4battach, i4b_i4bdrv);
 202
 203 static void
 204 i4b_drvinit(void *unused)
 205 {
 206 #if defined(__DragonFly__) || (defined(__FreeBSD__) && __FreeBSD__ >= 4)
 207         cdevsw_add(&i4b_cdevsw, 0, 0);
 208 #else
 209         static int i4b_devsw_installed = 0;
 210         dev_t dev;
 211
 212         if( ! i4b_devsw_installed )
 213         {
 214                 dev = makedev(CDEV_MAJOR,0);
 215                 cdevsw_add(&dev,&i4b_cdevsw,NULL);
 216                 i4b_devsw_installed = 1;
 217         }
 218 #endif
 219 }
 220
 221 SYSINIT(i4bdev,SI_SUB_DRIVERS,SI_ORDER_MIDDLE+CDEV_MAJOR,i4b_drvinit,NULL)
 222
 223 #endif /* BSD > 199306 && defined(__FreeBSD__) */
 224
 225 #ifdef __bsdi__
 226 #include <sys/device.h>
 227 int i4bmatch(struct device *parent, struct cfdata *cf, void *aux);
 228 void dummy_i4battach(struct device*, struct device *, void *);
 229
 230 #define CDEV_MAJOR 65
 231
 232 static struct cfdriver i4bcd =
 233         { NULL, "i4b", i4bmatch, dummy_i4battach, DV_DULL,
 234           sizeof(struct cfdriver) };
 235 struct devsw i4bsw =
 236         { &i4bcd,
 237           i4bopen,      i4bclose,       i4bread,        nowrite,
 238           i4bioctl,     i4bselect,      nommap,         nostrat,
 239           nodump,       nopsize,        0,              nostop
 240 };
 241
 242 int
 243 i4bmatch(struct device *parent, struct cfdata *cf, void *aux)
 244 {
 245         printf("i4bmatch: aux=0x%x\n", aux);
 246         return 1;
 247 }
 248 void
 249 dummy_i4battach(struct device *parent, struct device *self, void *aux)
 250 {
 251         printf("dummy_i4battach: aux=0x%x\n", aux);
 252 }
 253 #endif /* __bsdi__ */
 254
 255 /*---------------------------------------------------------------------------*
 256  *      interface attach routine
 257  *---------------------------------------------------------------------------*/
 258 PDEVSTATIC void
 259 #if defined(__DragonFly__) || defined(__FreeBSD__)
 260 i4battach(void *dummy)
 261 #else
 262 i4battach()
 263 #endif
 264 {
 265         printf("i4b: ISDN call control device attached\n");
 266
 267         i4b_rdqueue.ifq_maxlen = IFQ_MAXLEN;
 268
 269 #if defined(__FreeBSD__) && __FreeBSD__ > 4
 270         mtx_init(&i4b_rdqueue.ifq_mtx, "i4b_rdqueue", MTX_DEF);
 271 #endif
 272
 273 #if defined(__DragonFly__) || defined(__FreeBSD__)
 274         make_dev(&i4b_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600, "i4b");
 275 #endif
 276 }
 277
 278 /*---------------------------------------------------------------------------*
 279  *      i4bopen - device driver open routine
 280  *---------------------------------------------------------------------------*/
 281 PDEVSTATIC int
 282 i4bopen(dev_t dev, int flag, int fmt, struct thread *td)
 283 {
 284         int x;
 285
 286         if(minor(dev))
 287                 return(ENXIO);
 288
 289         if(openflag)
 290                 return(EBUSY);
 291
 292         x = splimp();
 293         openflag = 1;
 294         i4b_l4_daemon_attached();
 295         splx(x);
 296
 297         return(0);
 298 }
 299
 300 /*---------------------------------------------------------------------------*
 301  *      i4bclose - device driver close routine
 302  *---------------------------------------------------------------------------*/
 303 PDEVSTATIC int
 304 i4bclose(dev_t dev, int flag, int fmt, struct thread *td)
 305 {
 306         int x = splimp();
 307         openflag = 0;
 308         i4b_l4_daemon_detached();
 309         i4b_Dcleanifq(&i4b_rdqueue);
 310         splx(x);
 311         return(0);
 312 }
 313
 314 /*---------------------------------------------------------------------------*
 315  *      i4bread - device driver read routine
 316  *---------------------------------------------------------------------------*/
 317 PDEVSTATIC int
 318 i4bread(dev_t dev, struct uio *uio, int ioflag)
 319 {
 320         struct mbuf *m;
 321         int x;
 322         int error = 0;
 323
 324         if(minor(dev))
 325                 return(ENODEV);
 326
 327         x = splimp();
 328         while(IF_QEMPTY(&i4b_rdqueue))
 329         {
 330                 readflag = 1;
 331 #if defined (__FreeBSD__) && __FreeBSD__ > 4
 332                 error = msleep((caddr_t) &i4b_rdqueue, &i4b_rdqueue.ifq_mtx,
 333                         PCATCH, "bird", 0);
 334 #else
 335                 error = tsleep((caddr_t) &i4b_rdqueue, PCATCH, "bird", 0);
 336 #endif
 337                 if (error != 0) {
 338                         splx(x);
 339                         return error;
 340                 }
 341         }
 342
 343         IF_DEQUEUE(&i4b_rdqueue, m);
 344
 345         splx(x);
 346
 347         if(m && m->m_len)
 348                 error = uiomove(m->m_data, m->m_len, uio);
 349         else
 350                 error = EIO;
 351
 352         if(m)
 353                 i4b_Dfreembuf(m);
 354
 355         return(error);
 356 }
 357
 358 /*---------------------------------------------------------------------------*
 359  *      i4bioctl - device driver ioctl routine
 360  *---------------------------------------------------------------------------*/
 361 PDEVSTATIC int
 362 #if defined(__DragonFly__) || (defined (__FreeBSD_version) && __FreeBSD_version >= 300003)
 363 i4bioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct thread *td)
 364 #elif defined(__bsdi__)
 365 i4bioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
 366 #else
 367 i4bioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
 368 #endif
 369 {
 370         call_desc_t *cd;
 371         int error = 0;
 372
 373         if(minor(dev))
 374                 return(ENODEV);
 375
 376         switch(cmd)
 377         {
 378                 /* cdid request, reserve cd and return cdid */
 379
 380                 case I4B_CDID_REQ:
 381                 {
 382                         msg_cdid_req_t *mir;
 383                         mir = (msg_cdid_req_t *)data;
 384                         cd = reserve_cd();
 385                         mir->cdid = cd->cdid;
 386                         break;
 387                 }
 388
 389                 /* connect request, dial out to remote */
 390
 391                 case I4B_CONNECT_REQ:
 392                 {
 393                         msg_connect_req_t *mcr;
 394                         mcr = (msg_connect_req_t *)data;        /* setup ptr */
 395
 396                         if((cd = cd_by_cdid(mcr->cdid)) == NULL)/* get cd */
 397                         {
 398                                 NDBGL4(L4_ERR, "I4B_CONNECT_REQ ioctl, cdid not found!");
 399                                 error = EINVAL;
 400                                 break;
 401                         }
 402
 403                         /* prevent dialling on leased lines */
 404                         if(ctrl_desc[mcr->controller].protocol == PROTOCOL_D64S)
 405                         {
 406                                 SET_CAUSE_TYPE(cd->cause_in, CAUSET_I4B);
 407                                 SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_LLDIAL);
 408                                 i4b_l4_disconnect_ind(cd);
 409                                 freecd_by_cd(cd);
 410                                 break;
 411                         }
 412
 413                         cd->controller = mcr->controller;       /* fill cd */
 414                         cd->bprot = mcr->bprot;
 415                         cd->driver = mcr->driver;
 416                         cd->driver_unit = mcr->driver_unit;
 417                         cd->cr = get_rand_cr(ctrl_desc[cd->controller].unit);
 418
 419                         cd->shorthold_data.shorthold_algorithm = mcr->shorthold_data.shorthold_algorithm;
 420                         cd->shorthold_data.unitlen_time  = mcr->shorthold_data.unitlen_time;
 421                         cd->shorthold_data.idle_time     = mcr->shorthold_data.idle_time;
 422                         cd->shorthold_data.earlyhup_time = mcr->shorthold_data.earlyhup_time;
 423
 424                         cd->last_aocd_time = 0;
 425                         if(mcr->unitlen_method == ULEN_METHOD_DYNAMIC)
 426                                 cd->aocd_flag = 1;
 427                         else
 428                                 cd->aocd_flag = 0;
 429
 430                         cd->cunits = 0;
 431
 432                         cd->max_idle_time = 0;  /* this is outgoing */
 433
 434                         cd->dir = DIR_OUTGOING;
 435
 436                         NDBGL4(L4_TIMO, "I4B_CONNECT_REQ times, algorithm=%ld unitlen=%ld idle=%ld earlyhup=%ld",
 437                                         (long)cd->shorthold_data.shorthold_algorithm, (long)cd->shorthold_data.unitlen_time,
 438                                         (long)cd->shorthold_data.idle_time, (long)cd->shorthold_data.earlyhup_time);
 439
 440                         strcpy(cd->dst_telno, mcr->dst_telno);
 441                         strcpy(cd->src_telno, mcr->src_telno);
 442
 443                         if(mcr->keypad[0] != '\0')
 444                                 strcpy(cd->keypad, mcr->keypad);
 445                         else
 446                                 cd->keypad[0] = '\0';
 447
 448                         cd->display[0] = '\0';
 449
 450                         SET_CAUSE_TYPE(cd->cause_in, CAUSET_I4B);
 451                         SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_NORMAL);
 452
 453                         switch(mcr->channel)
 454                         {
 455                                 case CHAN_B1:
 456                                 case CHAN_B2:
 457                                         if(ctrl_desc[mcr->controller].bch_state[mcr->channel] != BCH_ST_FREE)
 458                                                 SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_NOCHAN);
 459                                         break;
 460
 461                                 case CHAN_ANY:
 462                                 {
 463                                     int i;
 464                                     for (i = 0;
 465                                          i < ctrl_desc[mcr->controller].nbch &&
 466                                          ctrl_desc[mcr->controller].bch_state[i] != BCH_ST_FREE;
 467                                          i++);
 468                                     if (i == ctrl_desc[mcr->controller].nbch)
 469                                                 SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_NOCHAN);
 470                                     /* else mcr->channel = i; XXX */
 471                                 }
 472                                         break;
 473
 474                                 default:
 475                                         SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_NOCHAN);
 476                                         break;
 477                         }
 478
 479                         cd->channelid = mcr->channel;
 480
 481                         cd->isdntxdelay = mcr->txdelay;
 482
 483                         /* check whether we have a pointer. Seems like */
 484                         /* this should be adequate. GJ 19.09.97 */
 485                         if(ctrl_desc[cd->controller].N_CONNECT_REQUEST == NULL)
 486 /*XXX*/                         SET_CAUSE_VAL(cd->cause_in, CAUSE_I4B_NOCHAN);
 487
 488                         if((GET_CAUSE_VAL(cd->cause_in)) != CAUSE_I4B_NORMAL)
 489                         {
 490                                 i4b_l4_disconnect_ind(cd);
 491                                 freecd_by_cd(cd);
 492                         }
 493                         else
 494                         {
 495                                 (*ctrl_desc[cd->controller].N_CONNECT_REQUEST)(mcr->cdid);
 496                         }
 497                         break;
 498                 }
 499
 500                 /* connect response, accept/reject/ignore incoming call */
 501
 502                 case I4B_CONNECT_RESP:
 503                 {
 504                         msg_connect_resp_t *mcrsp;
 505
 506                         mcrsp = (msg_connect_resp_t *)data;
 507
 508                         if((cd = cd_by_cdid(mcrsp->cdid)) == NULL)/* get cd */
 509                         {
 510                                 NDBGL4(L4_ERR, "I4B_CONNECT_RESP ioctl, cdid not found!");
 511                                 error = EINVAL;
 512                                 break;
 513                         }
 514
 515                         T400_stop(cd);
 516
 517                         cd->driver = mcrsp->driver;
 518                         cd->driver_unit = mcrsp->driver_unit;
 519                         cd->max_idle_time = mcrsp->max_idle_time;
 520
 521                         cd->shorthold_data.shorthold_algorithm = SHA_FIXU;
 522                         cd->shorthold_data.unitlen_time = 0;    /* this is incoming */
 523                         cd->shorthold_data.idle_time = 0;
 524                         cd->shorthold_data.earlyhup_time = 0;
 525
 526                         cd->isdntxdelay = mcrsp->txdelay;
 527
 528                         NDBGL4(L4_TIMO, "I4B_CONNECT_RESP max_idle_time set to %ld seconds", (long)cd->max_idle_time);
 529
 530                         (*ctrl_desc[cd->controller].N_CONNECT_RESPONSE)(mcrsp->cdid, mcrsp->response, mcrsp->cause);
 531                         break;
 532                 }
 533
 534                 /* disconnect request, actively terminate connection */
 535
 536                 case I4B_DISCONNECT_REQ:
 537                 {
 538                         msg_discon_req_t *mdr;
 539
 540                         mdr = (msg_discon_req_t *)data;
 541
 542                         if((cd = cd_by_cdid(mdr->cdid)) == NULL)/* get cd */
 543                         {
 544                                 NDBGL4(L4_ERR, "I4B_DISCONNECT_REQ ioctl, cdid not found!");
 545                                 error = EINVAL;
 546                                 break;
 547                         }
 548
 549                         /* preset causes with our cause */
 550                         cd->cause_in = cd->cause_out = mdr->cause;
 551
 552                         (*ctrl_desc[cd->controller].N_DISCONNECT_REQUEST)(mdr->cdid, mdr->cause);
 553                         break;
 554                 }
 555
 556                 /* controller info request */
 557
 558                 case I4B_CTRL_INFO_REQ:
 559                 {
 560                         msg_ctrl_info_req_t *mcir;
 561
 562                         mcir = (msg_ctrl_info_req_t *)data;
 563                         mcir->ncontroller = nctrl;
 564
 565                         if(mcir->controller > nctrl)
 566                         {
 567                                 mcir->ctrl_type = -1;
 568                                 mcir->card_type = -1;
 569                         }
 570                         else
 571                         {
 572                                 mcir->ctrl_type =
 573                                         ctrl_desc[mcir->controller].ctrl_type;
 574                                 mcir->card_type =
 575                                         ctrl_desc[mcir->controller].card_type;
 576                                 mcir->nbch =
 577                                         ctrl_desc[mcir->controller].nbch;
 578
 579                                 if(ctrl_desc[mcir->controller].ctrl_type == CTRL_PASSIVE)
 580                                         mcir->tei = ctrl_desc[mcir->controller].tei;
 581                                 else
 582                                         mcir->tei = -1;
 583                         }
 584                         break;
 585                 }
 586
 587                 /* dial response */
 588
 589                 case I4B_DIALOUT_RESP:
 590                 {
 591                         drvr_link_t *dlt = NULL;
 592                         msg_dialout_resp_t *mdrsp;
 593
 594                         mdrsp = (msg_dialout_resp_t *)data;
 595
 596                         switch(mdrsp->driver)
 597                         {
 598 #if NI4BIPR > 0
 599                                 case BDRV_IPR:
 600                                         dlt = ipr_ret_linktab(mdrsp->driver_unit);
 601                                         break;
 602 #endif
 603
 604 #if NI4BISPPP > 0
 605                                 case BDRV_ISPPP:
 606                                         dlt = i4bisppp_ret_linktab(mdrsp->driver_unit);
 607                                         break;
 608 #endif
 609
 610 #if NI4BTEL > 0
 611                                 case BDRV_TEL:
 612                                         dlt = tel_ret_linktab(mdrsp->driver_unit);
 613                                         break;
 614 #endif
 615
 616 #if NIBC > 0
 617                                 case BDRV_IBC:
 618                                         dlt = ibc_ret_linktab(mdrsp->driver_unit);
 619                                         break;
 620 #endif
 621
 622 #if NI4BING > 0
 623                                 case BDRV_ING:
 624                                         dlt = ing_ret_linktab(mdrsp->driver_unit);
 625                                         break;
 626 #endif
 627                         }
 628
 629                         if(dlt != NULL)
 630                                 (*dlt->dial_response)(mdrsp->driver_unit, mdrsp->stat, mdrsp->cause);
 631                         break;
 632                 }
 633
 634                 /* update timeout value */
 635
 636                 case I4B_TIMEOUT_UPD:
 637                 {
 638                         msg_timeout_upd_t *mtu;
 639                         int x;
 640
 641                         mtu = (msg_timeout_upd_t *)data;
 642
 643                         NDBGL4(L4_TIMO, "I4B_TIMEOUT_UPD ioctl, alg %d, unit %d, idle %d, early %d!",
 644                                         mtu->shorthold_data.shorthold_algorithm, mtu->shorthold_data.unitlen_time,
 645                                         mtu->shorthold_data.idle_time, mtu->shorthold_data.earlyhup_time);
 646
 647                         if((cd = cd_by_cdid(mtu->cdid)) == NULL)/* get cd */
 648                         {
 649                                 NDBGL4(L4_ERR, "I4B_TIMEOUT_UPD ioctl, cdid not found!");
 650                                 error = EINVAL;
 651                                 break;
 652                         }
 653
 654                         switch( mtu->shorthold_data.shorthold_algorithm )
 655                         {
 656                                 case SHA_FIXU:
 657                                         /*
 658                                          * For this algorithm unitlen_time,
 659                                          * idle_time and earlyhup_time are used.
 660                                          */
 661
 662                                         if(!(mtu->shorthold_data.unitlen_time >= 0 &&
 663                                              mtu->shorthold_data.idle_time >= 0    &&
 664                                              mtu->shorthold_data.earlyhup_time >= 0))
 665                                         {
 666                                                 NDBGL4(L4_ERR, "I4B_TIMEOUT_UPD ioctl, invalid args for fix unit algorithm!");
 667                                                 error = EINVAL;
 668                                         }
 669                                         break;
 670
 671                                 case SHA_VARU:
 672                                         /*
 673                                          * For this algorithm unitlen_time and
 674                                          * idle_time are used. both must be
 675                                          * positive integers. earlyhup_time is
 676                                          * not used and must be 0.
 677                                          */
 678
 679                                         if(!(mtu->shorthold_data.unitlen_time > 0 &&
 680                                              mtu->shorthold_data.idle_time >= 0   &&
 681                                              mtu->shorthold_data.earlyhup_time == 0))
 682                                         {
 683                                                 NDBGL4(L4_ERR, "I4B_TIMEOUT_UPD ioctl, invalid args for var unit algorithm!");
 684                                                 error = EINVAL;
 685                                         }
 686                                         break;
 687
 688                                 default:
 689                                         NDBGL4(L4_ERR, "I4B_TIMEOUT_UPD ioctl, invalid algorithm!");
 690                                         error = EINVAL;
 691                                         break;
 692                         }
 693
 694                         /*
 695                          * any error set above requires us to break
 696                          * out of the outer switch
 697                          */
 698                         if(error != 0)
 699                                 break;
 700
 701                         x = SPLI4B();
 702                         cd->shorthold_data.shorthold_algorithm = mtu->shorthold_data.shorthold_algorithm;
 703                         cd->shorthold_data.unitlen_time = mtu->shorthold_data.unitlen_time;
 704                         cd->shorthold_data.idle_time = mtu->shorthold_data.idle_time;
 705                         cd->shorthold_data.earlyhup_time = mtu->shorthold_data.earlyhup_time;
 706                         splx(x);
 707                         break;
 708                 }
 709
 710                 /* soft enable/disable interface */
 711
 712                 case I4B_UPDOWN_IND:
 713                 {
 714                         msg_updown_ind_t *mui;
 715
 716                         mui = (msg_updown_ind_t *)data;
 717
 718 #if NI4BIPR > 0
 719                         if(mui->driver == BDRV_IPR)
 720                         {
 721                                 drvr_link_t *dlt;
 722                                 dlt = ipr_ret_linktab(mui->driver_unit);
 723                                 (*dlt->updown_ind)(mui->driver_unit, mui->updown);
 724                         }
 725 #endif
 726                         break;
 727                 }
 728
 729                 /* send ALERT request */
 730
 731                 case I4B_ALERT_REQ:
 732                 {
 733                         msg_alert_req_t *mar;
 734
 735                         mar = (msg_alert_req_t *)data;
 736
 737                         if((cd = cd_by_cdid(mar->cdid)) == NULL)
 738                         {
 739                                 NDBGL4(L4_ERR, "I4B_ALERT_REQ ioctl, cdid not found!");
 740                                 error = EINVAL;
 741                                 break;
 742                         }
 743
 744                         T400_stop(cd);
 745
 746                         (*ctrl_desc[cd->controller].N_ALERT_REQUEST)(mar->cdid);
 747
 748                         break;
 749                 }
 750
 751                 /* version/release number request */
 752
 753                 case I4B_VR_REQ:
 754                 {
 755                         msg_vr_req_t *mvr;
 756
 757                         mvr = (msg_vr_req_t *)data;
 758
 759                         mvr->version = VERSION;
 760                         mvr->release = REL;
 761                         mvr->step = STEP;
 762                         break;
 763                 }
 764
 765                 /* set D-channel protocol for a controller */
 766
 767                 case I4B_PROT_IND:
 768                 {
 769                         msg_prot_ind_t *mpi;
 770
 771                         mpi = (msg_prot_ind_t *)data;
 772
 773                         ctrl_desc[mpi->controller].protocol = mpi->protocol;
 774
 775                         break;
 776                 }
 777
 778                 /* Download request */
 779
 780                 case I4B_CTRL_DOWNLOAD:
 781                 {
 782                         struct isdn_dr_prot *prots = NULL, *prots2 = NULL;
 783                         struct isdn_download_request *r =
 784                                 (struct isdn_download_request*)data;
 785                         int i;
 786
 787                         if (r->controller < 0 || r->controller >= nctrl)
 788                         {
 789                                 error = ENODEV;
 790                                 goto download_done;
 791                         }
 792
 793                         if(!ctrl_desc[r->controller].N_DOWNLOAD)
 794                         {
 795                                 error = ENODEV;
 796                                 goto download_done;
 797                         }
 798
 799                         prots = malloc(r->numprotos * sizeof(struct isdn_dr_prot),
 800                                         M_DEVBUF, M_WAITOK);
 801
 802                         prots2 = malloc(r->numprotos * sizeof(struct isdn_dr_prot),
 803                                         M_DEVBUF, M_WAITOK);
 804
 805                         if(!prots || !prots2)
 806                         {
 807                                 error = ENOMEM;
 808                                 goto download_done;
 809                         }
 810
 811                         copyin(r->protocols, prots, r->numprotos * sizeof(struct isdn_dr_prot));
 812
 813                         for(i = 0; i < r->numprotos; i++)
 814                         {
 815                                 prots2[i].microcode = malloc(prots[i].bytecount, M_DEVBUF, M_WAITOK);
 816                                 copyin(prots[i].microcode, prots2[i].microcode, prots[i].bytecount);
 817                                 prots2[i].bytecount = prots[i].bytecount;
 818                         }
 819
 820                         error = ctrl_desc[r->controller].N_DOWNLOAD(
 821                                                 ctrl_desc[r->controller].unit,
 822                                                 r->numprotos, prots2);
 823
 824 download_done:
 825                         if(prots2)
 826                         {
 827                                 for(i = 0; i < r->numprotos; i++)
 828                                 {
 829                                         if(prots2[i].microcode)
 830                                         {
 831                                                 free(prots2[i].microcode, M_DEVBUF);
 832                                         }
 833                                 }
 834                                 free(prots2, M_DEVBUF);
 835                         }
 836
 837                         if(prots)
 838                         {
 839                                 free(prots, M_DEVBUF);
 840                         }
 841                         break;
 842                 }
 843
 844                 /* Diagnostic request */
 845
 846                 case I4B_ACTIVE_DIAGNOSTIC:
 847                 {
 848                         struct isdn_diagnostic_request req, *r =
 849                                 (struct isdn_diagnostic_request*)data;
 850
 851                         req.in_param = req.out_param = NULL;
 852                         if (r->controller < 0 || r->controller >= nctrl)
 853                         {
 854                                 error = ENODEV;
 855                                 goto diag_done;
 856                         }
 857
 858                         if(!ctrl_desc[r->controller].N_DIAGNOSTICS)
 859                         {
 860                                 error = ENODEV;
 861                                 goto diag_done;
 862                         }
 863
 864                         memcpy(&req, r, sizeof(req));
 865
 866                         if(req.in_param_len)
 867                         {
 868                                 /* XXX arbitrary limit */
 869                                 if (req.in_param_len >
 870                                     I4B_ACTIVE_DIAGNOSTIC_MAXPARAMLEN) {
 871                                         error = EINVAL;
 872                                         goto diag_done;
 873                                 }
 874
 875                                 req.in_param = malloc(r->in_param_len, M_DEVBUF, M_WAITOK);
 876
 877                                 if(!req.in_param)
 878                                 {
 879                                         error = ENOMEM;
 880                                         goto diag_done;
 881                                 }
 882                                 error = copyin(r->in_param, req.in_param, req.in_param_len);
 883                                 if (error)
 884                                         goto diag_done;
 885                         }
 886
 887                         if(req.out_param_len)
 888                         {
 889                                 req.out_param = malloc(r->out_param_len, M_DEVBUF, M_WAITOK);
 890
 891                                 if(!req.out_param)
 892                                 {
 893                                         error = ENOMEM;
 894                                         goto diag_done;
 895                                 }
 896                         }
 897
 898                         error = ctrl_desc[r->controller].N_DIAGNOSTICS(r->controller, &req);
 899
 900                         if(!error && req.out_param_len)
 901                                 error = copyout(req.out_param, r->out_param, req.out_param_len);
 902
 903 diag_done:
 904                         if(req.in_param)
 905                                 free(req.in_param, M_DEVBUF);
 906
 907                         if(req.out_param)
 908                                 free(req.out_param, M_DEVBUF);
 909
 910                         break;
 911                 }
 912
 913                 /* default */
 914
 915                 default:
 916                         error = ENOTTY;
 917                         break;
 918         }
 919
 920         return(error);
 921 }
 922
 923 #ifdef OS_USES_SELECT
 924
 925 /*---------------------------------------------------------------------------*
 926  *      i4bselect - device driver select routine
 927  *---------------------------------------------------------------------------*/
 928 PDEVSTATIC int
 929 i4bselect(dev_t dev, int rw, struct thread *td)
 930 {
 931         int x;
 932
 933         if(minor(dev))
 934                 return(ENODEV);
 935
 936         switch(rw)
 937         {
 938                 case FREAD:
 939                         if(!IF_QEMPTY(&i4b_rdqueue))
 940                                 return(1);
 941                         x = splimp();
 942                         selrecord(td, &select_rd_info);
 943                         selflag = 1;
 944                         splx(x);
 945                         return(0);
 946                         break;
 947
 948                 case FWRITE:
 949                         return(1);
 950                         break;
 951         }
 952         return(0);
 953 }
 954
 955 #else /* OS_USES_SELECT */
 956
 957 /*---------------------------------------------------------------------------*
 958  *      i4bpoll - device driver poll routine
 959  *---------------------------------------------------------------------------*/
 960 PDEVSTATIC int
 961 i4bpoll(dev_t dev, int events, struct thread *td)
 962 {
 963         int x;
 964
 965         if(minor(dev))
 966                 return(ENODEV);
 967
 968         if((events & POLLIN) || (events & POLLRDNORM))
 969         {
 970                 if(!IF_QEMPTY(&i4b_rdqueue))
 971                         return(1);
 972
 973                 x = splimp();
 974                 selrecord(td, &select_rd_info);
 975                 selflag = 1;
 976                 splx(x);
 977                 return(0);
 978         }
 979         else if((events & POLLOUT) || (events & POLLWRNORM))
 980         {
 981                 return(1);
 982         }
 983
 984         return(0);
 985 }
 986
 987 #endif /* OS_USES_SELECT */
 988
 989 /*---------------------------------------------------------------------------*
 990  *      i4bputqueue - put message into queue to userland
 991  *---------------------------------------------------------------------------*/
 992 void
 993 i4bputqueue(struct mbuf *m)
 994 {
 995         int x;
 996
 997         if(!openflag)
 998         {
 999                 i4b_Dfreembuf(m);
1000                 return;
1001         }
1002
1003         x = splimp();
1004
1005         if(IF_QFULL(&i4b_rdqueue))
1006         {
1007                 struct mbuf *m1;
1008                 IF_DEQUEUE(&i4b_rdqueue, m1);
1009                 i4b_Dfreembuf(m1);
1010                 NDBGL4(L4_ERR, "ERROR, queue full, removing entry!");
1011         }
1012
1013         IF_ENQUEUE(&i4b_rdqueue, m);
1014
1015         splx(x);
1016
1017         if(readflag)
1018         {
1019                 readflag = 0;
1020                 wakeup((caddr_t) &i4b_rdqueue);
1021         }
1022
1023         if(selflag)
1024         {
1025                 selflag = 0;
1026                 selwakeup(&select_rd_info);
1027         }
1028 }
1029
1030 /*---------------------------------------------------------------------------*
1031  *      i4bputqueue_hipri - put message into front of queue to userland
1032  *---------------------------------------------------------------------------*/
1033 void
1034 i4bputqueue_hipri(struct mbuf *m)
1035 {
1036         int x;
1037
1038         if(!openflag)
1039         {
1040                 i4b_Dfreembuf(m);
1041                 return;
1042         }
1043
1044         x = splimp();
1045
1046         if(IF_QFULL(&i4b_rdqueue))
1047         {
1048                 struct mbuf *m1;
1049                 IF_DEQUEUE(&i4b_rdqueue, m1);
1050                 i4b_Dfreembuf(m1);
1051                 NDBGL4(L4_ERR, "ERROR, queue full, removing entry!");
1052         }
1053
1054         IF_PREPEND(&i4b_rdqueue, m);
1055
1056         splx(x);
1057
1058         if(readflag)
1059         {
1060                 readflag = 0;
1061                 wakeup((caddr_t) &i4b_rdqueue);
1062         }
1063
1064         if(selflag)
1065         {
1066                 selflag = 0;
1067                 selwakeup(&select_rd_info);
1068         }
1069 }
1070
1071 #endif /* NI4B > 0 */