Annotation of embedaddon/ntp/libparse/parsestreams.c, revision 1.1
1.1 ! misho 1: /*
! 2: * /src/NTP/ntp4-dev/libparse/parsestreams.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A
! 3: *
! 4: * parsestreams.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A
! 5: *
! 6: * STREAMS module for reference clocks
! 7: * (SunOS4.x)
! 8: *
! 9: * Copyright (c) 1995-2005 by Frank Kardel <kardel <AT> ntp.org>
! 10: * Copyright (c) 1989-1994 by Frank Kardel, Friedrich-Alexander Universität Erlangen-Nürnberg, Germany
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. Neither the name of the author nor the names of its contributors
! 21: * may be used to endorse or promote products derived from this software
! 22: * without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 27: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 34: * SUCH DAMAGE.
! 35: *
! 36: */
! 37:
! 38: #define KERNEL /* MUST */
! 39: #define VDDRV /* SHOULD */
! 40:
! 41: #ifdef HAVE_CONFIG_H
! 42: # include "config.h"
! 43: #endif
! 44:
! 45: #ifndef lint
! 46: static char rcsid[] = "parsestreams.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A";
! 47: #endif
! 48:
! 49: #ifndef KERNEL
! 50: #include "Bletch: MUST COMPILE WITH KERNEL DEFINE"
! 51: #endif
! 52:
! 53: #include <sys/types.h>
! 54: #include <sys/conf.h>
! 55: #include <sys/buf.h>
! 56: #include <sys/param.h>
! 57: #include <sys/sysmacros.h>
! 58: #include <sys/time.h>
! 59: #include <sundev/mbvar.h>
! 60: #include <sun/autoconf.h>
! 61: #include <sys/stream.h>
! 62: #include <sys/stropts.h>
! 63: #include <sys/dir.h>
! 64: #include <sys/signal.h>
! 65: #include <sys/termios.h>
! 66: #include <sys/termio.h>
! 67: #include <sys/ttold.h>
! 68: #include <sys/user.h>
! 69: #include <sys/tty.h>
! 70:
! 71: #ifdef VDDRV
! 72: #include <sun/vddrv.h>
! 73: #endif
! 74:
! 75: #include "ntp_stdlib.h"
! 76: #include "ntp_fp.h"
! 77: /*
! 78: * just make checking compilers more silent
! 79: */
! 80: extern int printf (const char *, ...);
! 81: extern int putctl1 (queue_t *, int, int);
! 82: extern int canput (queue_t *);
! 83: extern void putbq (queue_t *, mblk_t *);
! 84: extern void freeb (mblk_t *);
! 85: extern void qreply (queue_t *, mblk_t *);
! 86: extern void freemsg (mblk_t *);
! 87: extern void panic (const char *, ...);
! 88: extern void usec_delay (int);
! 89:
! 90: #include "parse.h"
! 91: #include "sys/parsestreams.h"
! 92:
! 93: /*
! 94: * use microtime instead of uniqtime if advised to
! 95: */
! 96: #ifdef MICROTIME
! 97: #define uniqtime microtime
! 98: #endif
! 99:
! 100: #ifdef VDDRV
! 101: static unsigned int parsebusy = 0;
! 102:
! 103: /*--------------- loadable driver section -----------------------------*/
! 104:
! 105: extern struct streamtab parseinfo;
! 106:
! 107:
! 108: #ifdef PPS_SYNC
! 109: static char mnam[] = "PARSEPPS "; /* name this baby - keep room for revision number */
! 110: #else
! 111: static char mnam[] = "PARSE "; /* name this baby - keep room for revision number */
! 112: #endif
! 113: struct vdldrv parsesync_vd =
! 114: {
! 115: VDMAGIC_PSEUDO, /* nothing like a real driver - a STREAMS module */
! 116: mnam,
! 117: };
! 118:
! 119: /*
! 120: * strings support usually not in kernel
! 121: */
! 122: static int
! 123: Strlen(
! 124: register const char *s
! 125: )
! 126: {
! 127: register int c;
! 128:
! 129: c = 0;
! 130: if (s)
! 131: {
! 132: while (*s++)
! 133: {
! 134: c++;
! 135: }
! 136: }
! 137: return c;
! 138: }
! 139:
! 140: static void
! 141: Strncpy(
! 142: register char *t,
! 143: register char *s,
! 144: register int c
! 145: )
! 146: {
! 147: if (s && t)
! 148: {
! 149: while ((c-- > 0) && (*t++ = *s++))
! 150: ;
! 151: }
! 152: }
! 153:
! 154: static int
! 155: Strcmp(
! 156: register const char *s,
! 157: register const char *t
! 158: )
! 159: {
! 160: register int c = 0;
! 161:
! 162: if (!s || !t || (s == t))
! 163: {
! 164: return 0;
! 165: }
! 166:
! 167: while (!(c = *s++ - *t++) && *s && *t)
! 168: /* empty loop */;
! 169:
! 170: return c;
! 171: }
! 172:
! 173: static int
! 174: Strncmp(
! 175: register char *s,
! 176: register char *t,
! 177: register int n
! 178: )
! 179: {
! 180: register int c = 0;
! 181:
! 182: if (!s || !t || (s == t))
! 183: {
! 184: return 0;
! 185: }
! 186:
! 187: while (n-- && !(c = *s++ - *t++) && *s && *t)
! 188: /* empty loop */;
! 189:
! 190: return c;
! 191: }
! 192:
! 193: void
! 194: ntp_memset(
! 195: char *a,
! 196: int x,
! 197: int c
! 198: )
! 199: {
! 200: while (c-- > 0)
! 201: *a++ = x;
! 202: }
! 203:
! 204: /*
! 205: * driver init routine
! 206: * since no mechanism gets us into and out of the fmodsw, we have to
! 207: * do it ourselves
! 208: */
! 209: /*ARGSUSED*/
! 210: int
! 211: xxxinit(
! 212: unsigned int fc,
! 213: struct vddrv *vdp,
! 214: addr_t vdin,
! 215: struct vdstat *vds
! 216: )
! 217: {
! 218: extern struct fmodsw fmodsw[];
! 219: extern int fmodcnt;
! 220:
! 221: struct fmodsw *fm = fmodsw;
! 222: struct fmodsw *fmend = &fmodsw[fmodcnt];
! 223: struct fmodsw *ifm = (struct fmodsw *)0;
! 224: char *mname = parseinfo.st_rdinit->qi_minfo->mi_idname;
! 225:
! 226: switch (fc)
! 227: {
! 228: case VDLOAD:
! 229: vdp->vdd_vdtab = (struct vdlinkage *)&parsesync_vd;
! 230: /*
! 231: * now, jog along fmodsw scanning for an empty slot
! 232: * and deposit our name there
! 233: */
! 234: while (fm <= fmend)
! 235: {
! 236: if (!Strncmp(fm->f_name, mname, FMNAMESZ))
! 237: {
! 238: printf("vddrinit[%s]: STREAMS module already loaded.\n", mname);
! 239: return(EBUSY);
! 240: }
! 241: else
! 242: if ((ifm == (struct fmodsw *)0) &&
! 243: (fm->f_name[0] == '\0') &&
! 244: (fm->f_str == (struct streamtab *)0))
! 245: {
! 246: /*
! 247: * got one - so move in
! 248: */
! 249: ifm = fm;
! 250: break;
! 251: }
! 252: fm++;
! 253: }
! 254:
! 255: if (ifm == (struct fmodsw *)0)
! 256: {
! 257: printf("vddrinit[%s]: no slot free for STREAMS module\n", mname);
! 258: return (ENOSPC);
! 259: }
! 260: else
! 261: {
! 262: static char revision[] = "4.7";
! 263: char *s, *S, *t;
! 264:
! 265: s = rcsid; /* NOOP - keep compilers happy */
! 266:
! 267: Strncpy(ifm->f_name, mname, FMNAMESZ);
! 268: ifm->f_name[FMNAMESZ] = '\0';
! 269: ifm->f_str = &parseinfo;
! 270: /*
! 271: * copy RCS revision into Drv_name
! 272: *
! 273: * are we forcing RCS here to do things it was not built for ?
! 274: */
! 275: s = revision;
! 276: if (*s == '$')
! 277: {
! 278: /*
! 279: * skip "$Revision: "
! 280: * if present. - not necessary on a -kv co (cvs export)
! 281: */
! 282: while (*s && (*s != ' '))
! 283: {
! 284: s++;
! 285: }
! 286: if (*s == ' ') s++;
! 287: }
! 288:
! 289: t = parsesync_vd.Drv_name;
! 290: while (*t && (*t != ' '))
! 291: {
! 292: t++;
! 293: }
! 294: if (*t == ' ') t++;
! 295:
! 296: S = s;
! 297: while (*S && (((*S >= '0') && (*S <= '9')) || (*S == '.')))
! 298: {
! 299: S++;
! 300: }
! 301:
! 302: if (*s && *t && (S > s))
! 303: {
! 304: if (Strlen(t) >= (S - s))
! 305: {
! 306: (void) Strncpy(t, s, S - s);
! 307: }
! 308: }
! 309: return (0);
! 310: }
! 311: break;
! 312:
! 313: case VDUNLOAD:
! 314: if (parsebusy > 0)
! 315: {
! 316: printf("vddrinit[%s]: STREAMS module has still %d instances active.\n", mname, parsebusy);
! 317: return (EBUSY);
! 318: }
! 319: else
! 320: {
! 321: while (fm <= fmend)
! 322: {
! 323: if (!Strncmp(fm->f_name, mname, FMNAMESZ))
! 324: {
! 325: /*
! 326: * got it - kill entry
! 327: */
! 328: fm->f_name[0] = '\0';
! 329: fm->f_str = (struct streamtab *)0;
! 330: fm++;
! 331:
! 332: break;
! 333: }
! 334: fm++;
! 335: }
! 336: if (fm > fmend)
! 337: {
! 338: printf("vddrinit[%s]: cannot find entry for STREAMS module\n", mname);
! 339: return (ENXIO);
! 340: }
! 341: else
! 342: return (0);
! 343: }
! 344:
! 345:
! 346: case VDSTAT:
! 347: return (0);
! 348:
! 349: default:
! 350: return (EIO);
! 351:
! 352: }
! 353: return EIO;
! 354: }
! 355:
! 356: #endif
! 357:
! 358: /*--------------- stream module definition ----------------------------*/
! 359:
! 360: static int parseopen (queue_t *, dev_t, int, int);
! 361: static int parseclose (queue_t *, int);
! 362: static int parsewput (queue_t *, mblk_t *);
! 363: static int parserput (queue_t *, mblk_t *);
! 364: static int parsersvc (queue_t *);
! 365:
! 366: static char mn[] = "parse";
! 367:
! 368: static struct module_info driverinfo =
! 369: {
! 370: 0, /* module ID number */
! 371: mn, /* module name */
! 372: 0, /* minimum accepted packet size */
! 373: INFPSZ, /* maximum accepted packet size */
! 374: 1, /* high water mark - flow control */
! 375: 0 /* low water mark - flow control */
! 376: };
! 377:
! 378: static struct qinit rinit = /* read queue definition */
! 379: {
! 380: parserput, /* put procedure */
! 381: parsersvc, /* service procedure */
! 382: parseopen, /* open procedure */
! 383: parseclose, /* close procedure */
! 384: NULL, /* admin procedure - NOT USED FOR NOW */
! 385: &driverinfo, /* information structure */
! 386: NULL /* statistics */
! 387: };
! 388:
! 389: static struct qinit winit = /* write queue definition */
! 390: {
! 391: parsewput, /* put procedure */
! 392: NULL, /* service procedure */
! 393: NULL, /* open procedure */
! 394: NULL, /* close procedure */
! 395: NULL, /* admin procedure - NOT USED FOR NOW */
! 396: &driverinfo, /* information structure */
! 397: NULL /* statistics */
! 398: };
! 399:
! 400: struct streamtab parseinfo = /* stream info element for dpr driver */
! 401: {
! 402: &rinit, /* read queue */
! 403: &winit, /* write queue */
! 404: NULL, /* read mux */
! 405: NULL, /* write mux */
! 406: NULL /* module auto push */
! 407: };
! 408:
! 409: /*--------------- driver data structures ----------------------------*/
! 410:
! 411: /*
! 412: * we usually have an inverted signal - but you
! 413: * can change this to suit your needs
! 414: */
! 415: int cd_invert = 1; /* invert status of CD line - PPS support via CD input */
! 416:
! 417: int parsedebug = ~0;
! 418:
! 419: extern void uniqtime (struct timeval *);
! 420:
! 421: /*--------------- module implementation -----------------------------*/
! 422:
! 423: #define TIMEVAL_USADD(_X_, _US_) {\
! 424: (_X_)->tv_usec += (_US_);\
! 425: if ((_X_)->tv_usec >= 1000000)\
! 426: {\
! 427: (_X_)->tv_sec++;\
! 428: (_X_)->tv_usec -= 1000000;\
! 429: }\
! 430: } while (0)
! 431:
! 432: static int init_linemon (queue_t *);
! 433: static void close_linemon (queue_t *, queue_t *);
! 434:
! 435: #define M_PARSE 0x0001
! 436: #define M_NOPARSE 0x0002
! 437:
! 438: static int
! 439: setup_stream(
! 440: queue_t *q,
! 441: int mode
! 442: )
! 443: {
! 444: mblk_t *mp;
! 445:
! 446: mp = allocb(sizeof(struct stroptions), BPRI_MED);
! 447: if (mp)
! 448: {
! 449: struct stroptions *str = (struct stroptions *)(void *)mp->b_rptr;
! 450:
! 451: str->so_flags = SO_READOPT|SO_HIWAT|SO_LOWAT;
! 452: str->so_readopt = (mode == M_PARSE) ? RMSGD : RNORM;
! 453: str->so_hiwat = (mode == M_PARSE) ? sizeof(parsetime_t) : 256;
! 454: str->so_lowat = 0;
! 455: mp->b_datap->db_type = M_SETOPTS;
! 456: mp->b_wptr += sizeof(struct stroptions);
! 457: putnext(q, mp);
! 458: return putctl1(WR(q)->q_next, M_CTL, (mode == M_PARSE) ? MC_SERVICEIMM :
! 459: MC_SERVICEDEF);
! 460: }
! 461: else
! 462: {
! 463: parseprintf(DD_OPEN,("parse: setup_stream - FAILED - no MEMORY for allocb\n"));
! 464: return 0;
! 465: }
! 466: }
! 467:
! 468: /*ARGSUSED*/
! 469: static int
! 470: parseopen(
! 471: queue_t *q,
! 472: dev_t dev,
! 473: int flag,
! 474: int sflag
! 475: )
! 476: {
! 477: register parsestream_t *parse;
! 478: static int notice = 0;
! 479:
! 480: parseprintf(DD_OPEN,("parse: OPEN\n"));
! 481:
! 482: if (sflag != MODOPEN)
! 483: { /* open only for modules */
! 484: parseprintf(DD_OPEN,("parse: OPEN - FAILED - not MODOPEN\n"));
! 485: return OPENFAIL;
! 486: }
! 487:
! 488: if (q->q_ptr != (caddr_t)NULL)
! 489: {
! 490: u.u_error = EBUSY;
! 491: parseprintf(DD_OPEN,("parse: OPEN - FAILED - EXCLUSIVE ONLY\n"));
! 492: return OPENFAIL;
! 493: }
! 494:
! 495: #ifdef VDDRV
! 496: parsebusy++;
! 497: #endif
! 498:
! 499: q->q_ptr = (caddr_t)kmem_alloc(sizeof(parsestream_t));
! 500: if (q->q_ptr == (caddr_t)0)
! 501: {
! 502: parseprintf(DD_OPEN,("parse: OPEN - FAILED - no memory\n"));
! 503: #ifdef VDDRV
! 504: parsebusy--;
! 505: #endif
! 506: return OPENFAIL;
! 507: }
! 508: WR(q)->q_ptr = q->q_ptr;
! 509:
! 510: parse = (parsestream_t *)(void *)q->q_ptr;
! 511: bzero((caddr_t)parse, sizeof(*parse));
! 512: parse->parse_queue = q;
! 513: parse->parse_status = PARSE_ENABLE;
! 514: parse->parse_ppsclockev.tv.tv_sec = 0;
! 515: parse->parse_ppsclockev.tv.tv_usec = 0;
! 516: parse->parse_ppsclockev.serial = 0;
! 517:
! 518: if (!parse_ioinit(&parse->parse_io))
! 519: {
! 520: /*
! 521: * ok guys - beat it
! 522: */
! 523: kmem_free((caddr_t)parse, sizeof(parsestream_t));
! 524: #ifdef VDDRV
! 525: parsebusy--;
! 526: #endif
! 527: return OPENFAIL;
! 528: }
! 529:
! 530: if (setup_stream(q, M_PARSE))
! 531: {
! 532: (void) init_linemon(q); /* hook up PPS ISR routines if possible */
! 533:
! 534: parseprintf(DD_OPEN,("parse: OPEN - SUCCEEDED\n"));
! 535:
! 536: /*
! 537: * I know that you know the delete key, but you didn't write this
! 538: * code, did you ? - So, keep the message in here.
! 539: */
! 540: if (!notice)
! 541: {
! 542: #ifdef VDDRV
! 543: printf("%s: Copyright (C) 1991-2005, Frank Kardel\n", parsesync_vd.Drv_name);
! 544: #else
! 545: printf("%s: Copyright (C) 1991-2005, Frank Kardel\n", "parsestreams.c,v 4.11 2005/04/16 17:32:10 kardel RELEASE_20050508_A");
! 546: #endif
! 547: notice = 1;
! 548: }
! 549:
! 550: return MODOPEN;
! 551: }
! 552: else
! 553: {
! 554: kmem_free((caddr_t)parse, sizeof(parsestream_t));
! 555:
! 556: #ifdef VDDRV
! 557: parsebusy--;
! 558: #endif
! 559: return OPENFAIL;
! 560: }
! 561: }
! 562:
! 563: /*ARGSUSED*/
! 564: static int
! 565: parseclose(
! 566: queue_t *q,
! 567: int flags
! 568: )
! 569: {
! 570: register parsestream_t *parse = (parsestream_t *)(void *)q->q_ptr;
! 571: register unsigned long s;
! 572:
! 573: parseprintf(DD_CLOSE,("parse: CLOSE\n"));
! 574:
! 575: s = splhigh();
! 576:
! 577: if (parse->parse_dqueue)
! 578: close_linemon(parse->parse_dqueue, q);
! 579: parse->parse_dqueue = (queue_t *)0;
! 580:
! 581: (void) splx(s);
! 582:
! 583: parse_ioend(&parse->parse_io);
! 584:
! 585: kmem_free((caddr_t)parse, sizeof(parsestream_t));
! 586:
! 587: q->q_ptr = (caddr_t)NULL;
! 588: WR(q)->q_ptr = (caddr_t)NULL;
! 589:
! 590: #ifdef VDDRV
! 591: parsebusy--;
! 592: #endif
! 593: return 0;
! 594: }
! 595:
! 596: /*
! 597: * move unrecognized stuff upward
! 598: */
! 599: static int
! 600: parsersvc(
! 601: queue_t *q
! 602: )
! 603: {
! 604: mblk_t *mp;
! 605:
! 606: while ((mp = getq(q)))
! 607: {
! 608: if (canput(q->q_next) || (mp->b_datap->db_type > QPCTL))
! 609: {
! 610: putnext(q, mp);
! 611: parseprintf(DD_RSVC,("parse: RSVC - putnext\n"));
! 612: }
! 613: else
! 614: {
! 615: putbq(q, mp);
! 616: parseprintf(DD_RSVC,("parse: RSVC - flow control wait\n"));
! 617: break;
! 618: }
! 619: }
! 620: return 0;
! 621: }
! 622:
! 623: /*
! 624: * do ioctls and
! 625: * send stuff down - dont care about
! 626: * flow control
! 627: */
! 628: static int
! 629: parsewput(
! 630: queue_t *q,
! 631: register mblk_t *mp
! 632: )
! 633: {
! 634: register int ok = 1;
! 635: register mblk_t *datap;
! 636: register struct iocblk *iocp;
! 637: parsestream_t *parse = (parsestream_t *)(void *)q->q_ptr;
! 638:
! 639: parseprintf(DD_WPUT,("parse: parsewput\n"));
! 640:
! 641: switch (mp->b_datap->db_type)
! 642: {
! 643: default:
! 644: putnext(q, mp);
! 645: break;
! 646:
! 647: case M_IOCTL:
! 648: iocp = (struct iocblk *)(void *)mp->b_rptr;
! 649: switch (iocp->ioc_cmd)
! 650: {
! 651: default:
! 652: parseprintf(DD_WPUT,("parse: parsewput - forward M_IOCTL\n"));
! 653: putnext(q, mp);
! 654: break;
! 655:
! 656: case CIOGETEV:
! 657: /*
! 658: * taken from Craig Leres ppsclock module (and modified)
! 659: */
! 660: datap = allocb(sizeof(struct ppsclockev), BPRI_MED);
! 661: if (datap == NULL || mp->b_cont)
! 662: {
! 663: mp->b_datap->db_type = M_IOCNAK;
! 664: iocp->ioc_error = (datap == NULL) ? ENOMEM : EINVAL;
! 665: if (datap != NULL)
! 666: freeb(datap);
! 667: qreply(q, mp);
! 668: break;
! 669: }
! 670:
! 671: mp->b_cont = datap;
! 672: *(struct ppsclockev *)(void *)datap->b_wptr = parse->parse_ppsclockev;
! 673: datap->b_wptr +=
! 674: sizeof(struct ppsclockev) / sizeof(*datap->b_wptr);
! 675: mp->b_datap->db_type = M_IOCACK;
! 676: iocp->ioc_count = sizeof(struct ppsclockev);
! 677: qreply(q, mp);
! 678: break;
! 679:
! 680: case PARSEIOC_ENABLE:
! 681: case PARSEIOC_DISABLE:
! 682: {
! 683: parse->parse_status = (parse->parse_status & (unsigned)~PARSE_ENABLE) |
! 684: (iocp->ioc_cmd == PARSEIOC_ENABLE) ?
! 685: PARSE_ENABLE : 0;
! 686: if (!setup_stream(RD(q), (parse->parse_status & PARSE_ENABLE) ?
! 687: M_PARSE : M_NOPARSE))
! 688: {
! 689: mp->b_datap->db_type = M_IOCNAK;
! 690: }
! 691: else
! 692: {
! 693: mp->b_datap->db_type = M_IOCACK;
! 694: }
! 695: qreply(q, mp);
! 696: break;
! 697: }
! 698:
! 699: case PARSEIOC_TIMECODE:
! 700: case PARSEIOC_SETFMT:
! 701: case PARSEIOC_GETFMT:
! 702: case PARSEIOC_SETCS:
! 703: if (iocp->ioc_count == sizeof(parsectl_t))
! 704: {
! 705: parsectl_t *dct = (parsectl_t *)(void *)mp->b_cont->b_rptr;
! 706:
! 707: switch (iocp->ioc_cmd)
! 708: {
! 709: case PARSEIOC_TIMECODE:
! 710: parseprintf(DD_WPUT,("parse: parsewput - PARSEIOC_TIMECODE\n"));
! 711: ok = parse_timecode(dct, &parse->parse_io);
! 712: break;
! 713:
! 714: case PARSEIOC_SETFMT:
! 715: parseprintf(DD_WPUT,("parse: parsewput - PARSEIOC_SETFMT\n"));
! 716: ok = parse_setfmt(dct, &parse->parse_io);
! 717: break;
! 718:
! 719: case PARSEIOC_GETFMT:
! 720: parseprintf(DD_WPUT,("parse: parsewput - PARSEIOC_GETFMT\n"));
! 721: ok = parse_getfmt(dct, &parse->parse_io);
! 722: break;
! 723:
! 724: case PARSEIOC_SETCS:
! 725: parseprintf(DD_WPUT,("parse: parsewput - PARSEIOC_SETCS\n"));
! 726: ok = parse_setcs(dct, &parse->parse_io);
! 727: break;
! 728: }
! 729: mp->b_datap->db_type = ok ? M_IOCACK : M_IOCNAK;
! 730: }
! 731: else
! 732: {
! 733: mp->b_datap->db_type = M_IOCNAK;
! 734: }
! 735: parseprintf(DD_WPUT,("parse: parsewput qreply - %s\n", (mp->b_datap->db_type == M_IOCNAK) ? "M_IOCNAK" : "M_IOCACK"));
! 736: qreply(q, mp);
! 737: break;
! 738: }
! 739: }
! 740: return 0;
! 741: }
! 742:
! 743: /*
! 744: * read characters from streams buffers
! 745: */
! 746: static unsigned long
! 747: rdchar(
! 748: register mblk_t **mp
! 749: )
! 750: {
! 751: while (*mp != (mblk_t *)NULL)
! 752: {
! 753: if ((*mp)->b_wptr - (*mp)->b_rptr)
! 754: {
! 755: return (unsigned long)(*(unsigned char *)((*mp)->b_rptr++));
! 756: }
! 757: else
! 758: {
! 759: register mblk_t *mmp = *mp;
! 760:
! 761: *mp = (*mp)->b_cont;
! 762: freeb(mmp);
! 763: }
! 764: }
! 765: return (unsigned)~0;
! 766: }
! 767:
! 768: /*
! 769: * convert incoming data
! 770: */
! 771: static int
! 772: parserput(
! 773: queue_t *q,
! 774: mblk_t *mp
! 775: )
! 776: {
! 777: unsigned char type;
! 778:
! 779: switch (type = mp->b_datap->db_type)
! 780: {
! 781: default:
! 782: /*
! 783: * anything we don't know will be put on queue
! 784: * the service routine will move it to the next one
! 785: */
! 786: parseprintf(DD_RPUT,("parse: parserput - forward type 0x%x\n", type));
! 787: if (canput(q->q_next) || (mp->b_datap->db_type > QPCTL))
! 788: {
! 789: putnext(q, mp);
! 790: }
! 791: else
! 792: putq(q, mp);
! 793: break;
! 794:
! 795: case M_BREAK:
! 796: case M_DATA:
! 797: {
! 798: register parsestream_t * parse = (parsestream_t *)(void *)q->q_ptr;
! 799: register mblk_t *nmp;
! 800: register unsigned long ch;
! 801: timestamp_t ctime;
! 802:
! 803: /*
! 804: * get time on packet delivery
! 805: */
! 806: uniqtime(&ctime.tv);
! 807:
! 808: if (!(parse->parse_status & PARSE_ENABLE))
! 809: {
! 810: parseprintf(DD_RPUT,("parse: parserput - parser disabled - forward type 0x%x\n", type));
! 811: if (canput(q->q_next) || (mp->b_datap->db_type > QPCTL))
! 812: {
! 813: putnext(q, mp);
! 814: }
! 815: else
! 816: putq(q, mp);
! 817: }
! 818: else
! 819: {
! 820: parseprintf(DD_RPUT,("parse: parserput - M_%s\n", (type == M_DATA) ? "DATA" : "BREAK"));
! 821:
! 822: if (type == M_DATA)
! 823: {
! 824: /*
! 825: * parse packet looking for start an end characters
! 826: */
! 827: while (mp != (mblk_t *)NULL)
! 828: {
! 829: ch = rdchar(&mp);
! 830: if (ch != ~0 && parse_ioread(&parse->parse_io, (unsigned int)ch, &ctime))
! 831: {
! 832: /*
! 833: * up up and away (hopefully ...)
! 834: * don't press it if resources are tight or nobody wants it
! 835: */
! 836: nmp = (mblk_t *)NULL;
! 837: if (canput(parse->parse_queue->q_next) && (nmp = allocb(sizeof(parsetime_t), BPRI_MED)))
! 838: {
! 839: bcopy((caddr_t)&parse->parse_io.parse_dtime, (caddr_t)nmp->b_rptr, sizeof(parsetime_t));
! 840: nmp->b_wptr += sizeof(parsetime_t);
! 841: putnext(parse->parse_queue, nmp);
! 842: }
! 843: else
! 844: if (nmp) freemsg(nmp);
! 845: parse_iodone(&parse->parse_io);
! 846: }
! 847: }
! 848: }
! 849: else
! 850: {
! 851: if (parse_ioread(&parse->parse_io, (unsigned int)0, &ctime))
! 852: {
! 853: /*
! 854: * up up and away (hopefully ...)
! 855: * don't press it if resources are tight or nobody wants it
! 856: */
! 857: nmp = (mblk_t *)NULL;
! 858: if (canput(parse->parse_queue->q_next) && (nmp = allocb(sizeof(parsetime_t), BPRI_MED)))
! 859: {
! 860: bcopy((caddr_t)&parse->parse_io.parse_dtime, (caddr_t)nmp->b_rptr, sizeof(parsetime_t));
! 861: nmp->b_wptr += sizeof(parsetime_t);
! 862: putnext(parse->parse_queue, nmp);
! 863: }
! 864: else
! 865: if (nmp) freemsg(nmp);
! 866: parse_iodone(&parse->parse_io);
! 867: }
! 868: freemsg(mp);
! 869: }
! 870: break;
! 871: }
! 872: }
! 873:
! 874: /*
! 875: * CD PPS support for non direct ISR hack
! 876: */
! 877: case M_HANGUP:
! 878: case M_UNHANGUP:
! 879: {
! 880: register parsestream_t * parse = (parsestream_t *)(void *)q->q_ptr;
! 881: timestamp_t ctime;
! 882: register mblk_t *nmp;
! 883: register int status = cd_invert ^ (type == M_UNHANGUP);
! 884:
! 885: uniqtime(&ctime.tv);
! 886:
! 887: parseprintf(DD_RPUT,("parse: parserput - M_%sHANGUP\n", (type == M_HANGUP) ? "" : "UN"));
! 888:
! 889: if ((parse->parse_status & PARSE_ENABLE) &&
! 890: parse_iopps(&parse->parse_io, (int)(status ? SYNC_ONE : SYNC_ZERO), &ctime))
! 891: {
! 892: nmp = (mblk_t *)NULL;
! 893: if (canput(parse->parse_queue->q_next) && (nmp = allocb(sizeof(parsetime_t), BPRI_MED)))
! 894: {
! 895: bcopy((caddr_t)&parse->parse_io.parse_dtime, (caddr_t)nmp->b_rptr, sizeof(parsetime_t));
! 896: nmp->b_wptr += sizeof(parsetime_t);
! 897: putnext(parse->parse_queue, nmp);
! 898: }
! 899: else
! 900: if (nmp) freemsg(nmp);
! 901: parse_iodone(&parse->parse_io);
! 902: freemsg(mp);
! 903: }
! 904: else
! 905: if (canput(q->q_next) || (mp->b_datap->db_type > QPCTL))
! 906: {
! 907: putnext(q, mp);
! 908: }
! 909: else
! 910: putq(q, mp);
! 911:
! 912: if (status)
! 913: {
! 914: parse->parse_ppsclockev.tv = ctime.tv;
! 915: ++(parse->parse_ppsclockev.serial);
! 916: }
! 917: }
! 918: }
! 919: return 0;
! 920: }
! 921:
! 922: static int init_zs_linemon (queue_t *, queue_t *); /* handle line monitor for "zs" driver */
! 923: static void close_zs_linemon (queue_t *, queue_t *);
! 924:
! 925: /*-------------------- CD isr status monitor ---------------*/
! 926:
! 927: static int
! 928: init_linemon(
! 929: register queue_t *q
! 930: )
! 931: {
! 932: register queue_t *dq;
! 933:
! 934: dq = WR(q);
! 935: /*
! 936: * we ARE doing very bad things down here (basically stealing ISR
! 937: * hooks)
! 938: *
! 939: * so we chase down the STREAMS stack searching for the driver
! 940: * and if this is a known driver we insert our ISR routine for
! 941: * status changes in to the ExternalStatus handling hook
! 942: */
! 943: while (dq->q_next)
! 944: {
! 945: dq = dq->q_next; /* skip down to driver */
! 946: }
! 947:
! 948: /*
! 949: * find appropriate driver dependent routine
! 950: */
! 951: if (dq->q_qinfo && dq->q_qinfo->qi_minfo)
! 952: {
! 953: register char *dname = dq->q_qinfo->qi_minfo->mi_idname;
! 954:
! 955: parseprintf(DD_INSTALL, ("init_linemon: driver is \"%s\"\n", dname));
! 956:
! 957: #ifdef sun
! 958: if (dname && !Strcmp(dname, "zs"))
! 959: {
! 960: return init_zs_linemon(dq, q);
! 961: }
! 962: else
! 963: #endif
! 964: {
! 965: parseprintf(DD_INSTALL, ("init_linemon: driver \"%s\" not suitable for CD monitoring\n", dname));
! 966: return 0;
! 967: }
! 968: }
! 969: parseprintf(DD_INSTALL, ("init_linemon: cannot find driver\n"));
! 970: return 0;
! 971: }
! 972:
! 973: static void
! 974: close_linemon(
! 975: register queue_t *q,
! 976: register queue_t *my_q
! 977: )
! 978: {
! 979: /*
! 980: * find appropriate driver dependent routine
! 981: */
! 982: if (q->q_qinfo && q->q_qinfo->qi_minfo)
! 983: {
! 984: register char *dname = q->q_qinfo->qi_minfo->mi_idname;
! 985:
! 986: #ifdef sun
! 987: if (dname && !Strcmp(dname, "zs"))
! 988: {
! 989: close_zs_linemon(q, my_q);
! 990: return;
! 991: }
! 992: parseprintf(DD_INSTALL, ("close_linemon: cannot find driver close routine for \"%s\"\n", dname));
! 993: #endif
! 994: }
! 995: parseprintf(DD_INSTALL, ("close_linemon: cannot find driver name\n"));
! 996: }
! 997:
! 998: #ifdef sun
! 999:
! 1000: #include <sundev/zsreg.h>
! 1001: #include <sundev/zscom.h>
! 1002: #include <sundev/zsvar.h>
! 1003:
! 1004: static unsigned long cdmask = ZSRR0_CD;
! 1005:
! 1006: struct savedzsops
! 1007: {
! 1008: struct zsops zsops;
! 1009: struct zsops *oldzsops;
! 1010: };
! 1011:
! 1012: struct zsops *emergencyzs;
! 1013: extern void zsopinit (struct zscom *, struct zsops *);
! 1014: static int zs_xsisr (struct zscom *); /* zs external status interupt handler */
! 1015:
! 1016: static int
! 1017: init_zs_linemon(
! 1018: register queue_t *q,
! 1019: register queue_t *my_q
! 1020: )
! 1021: {
! 1022: register struct zscom *zs;
! 1023: register struct savedzsops *szs;
! 1024: register parsestream_t *parsestream = (parsestream_t *)(void *)my_q->q_ptr;
! 1025: /*
! 1026: * we expect the zsaline pointer in the q_data pointer
! 1027: * from there on we insert our on EXTERNAL/STATUS ISR routine
! 1028: * into the interrupt path, before the standard handler
! 1029: */
! 1030: zs = ((struct zsaline *)(void *)q->q_ptr)->za_common;
! 1031: if (!zs)
! 1032: {
! 1033: /*
! 1034: * well - not found on startup - just say no (shouldn't happen though)
! 1035: */
! 1036: return 0;
! 1037: }
! 1038: else
! 1039: {
! 1040: unsigned long s;
! 1041:
! 1042: /*
! 1043: * we do a direct replacement, in case others fiddle also
! 1044: * if somebody else grabs our hook and we disconnect
! 1045: * we are in DEEP trouble - panic is likely to be next, sorry
! 1046: */
! 1047: szs = (struct savedzsops *)(void *)kmem_alloc(sizeof(struct savedzsops));
! 1048:
! 1049: if (szs == (struct savedzsops *)0)
! 1050: {
! 1051: parseprintf(DD_INSTALL, ("init_zs_linemon: CD monitor NOT installed - no memory\n"));
! 1052:
! 1053: return 0;
! 1054: }
! 1055: else
! 1056: {
! 1057: parsestream->parse_data = (void *)szs;
! 1058:
! 1059: s = splhigh();
! 1060:
! 1061: parsestream->parse_dqueue = q; /* remember driver */
! 1062:
! 1063: szs->zsops = *zs->zs_ops;
! 1064: szs->zsops.zsop_xsint = zs_xsisr; /* place our bastard */
! 1065: szs->oldzsops = zs->zs_ops;
! 1066: emergencyzs = zs->zs_ops;
! 1067:
! 1068: zsopinit(zs, &szs->zsops); /* hook it up */
! 1069:
! 1070: (void) splx(s);
! 1071:
! 1072: parseprintf(DD_INSTALL, ("init_zs_linemon: CD monitor installed\n"));
! 1073:
! 1074: return 1;
! 1075: }
! 1076: }
! 1077: }
! 1078:
! 1079: /*
! 1080: * unregister our ISR routine - must call under splhigh()
! 1081: */
! 1082: static void
! 1083: close_zs_linemon(
! 1084: register queue_t *q,
! 1085: register queue_t *my_q
! 1086: )
! 1087: {
! 1088: register struct zscom *zs;
! 1089: register parsestream_t *parsestream = (parsestream_t *)(void *)my_q->q_ptr;
! 1090:
! 1091: zs = ((struct zsaline *)(void *)q->q_ptr)->za_common;
! 1092: if (!zs)
! 1093: {
! 1094: /*
! 1095: * well - not found on startup - just say no (shouldn't happen though)
! 1096: */
! 1097: return;
! 1098: }
! 1099: else
! 1100: {
! 1101: register struct savedzsops *szs = (struct savedzsops *)parsestream->parse_data;
! 1102:
! 1103: zsopinit(zs, szs->oldzsops); /* reset to previous handler functions */
! 1104:
! 1105: kmem_free((caddr_t)szs, sizeof (struct savedzsops));
! 1106:
! 1107: parseprintf(DD_INSTALL, ("close_zs_linemon: CD monitor deleted\n"));
! 1108: return;
! 1109: }
! 1110: }
! 1111:
! 1112: #define MAXDEPTH 50 /* maximum allowed stream crawl */
! 1113:
! 1114: #ifdef PPS_SYNC
! 1115: extern void hardpps (struct timeval *, long);
! 1116: #ifdef PPS_NEW
! 1117: extern struct timeval timestamp;
! 1118: #else
! 1119: extern struct timeval pps_time;
! 1120: #endif
! 1121: #endif
! 1122:
! 1123: /*
! 1124: * take external status interrupt (only CD interests us)
! 1125: */
! 1126: static int
! 1127: zs_xsisr(
! 1128: struct zscom *zs
! 1129: )
! 1130: {
! 1131: register struct zsaline *za = (struct zsaline *)(void *)zs->zs_priv;
! 1132: register struct zscc_device *zsaddr = zs->zs_addr;
! 1133: register queue_t *q;
! 1134: register unsigned char zsstatus;
! 1135: register int loopcheck;
! 1136: register char *dname;
! 1137: #ifdef PPS_SYNC
! 1138: register unsigned int s;
! 1139: register long usec;
! 1140: #endif
! 1141:
! 1142: /*
! 1143: * pick up current state
! 1144: */
! 1145: zsstatus = zsaddr->zscc_control;
! 1146:
! 1147: if ((za->za_rr0 ^ zsstatus) & (cdmask))
! 1148: {
! 1149: timestamp_t cdevent;
! 1150: register int status;
! 1151:
! 1152: za->za_rr0 = (za->za_rr0 & ~(cdmask)) | (zsstatus & (cdmask));
! 1153:
! 1154: #ifdef PPS_SYNC
! 1155: s = splclock();
! 1156: #ifdef PPS_NEW
! 1157: usec = timestamp.tv_usec;
! 1158: #else
! 1159: usec = pps_time.tv_usec;
! 1160: #endif
! 1161: #endif
! 1162: /*
! 1163: * time stamp
! 1164: */
! 1165: uniqtime(&cdevent.tv);
! 1166:
! 1167: #ifdef PPS_SYNC
! 1168: (void)splx(s);
! 1169: #endif
! 1170:
! 1171: /*
! 1172: * logical state
! 1173: */
! 1174: status = cd_invert ? (zsstatus & cdmask) == 0 : (zsstatus & cdmask) != 0;
! 1175:
! 1176: #ifdef PPS_SYNC
! 1177: if (status)
! 1178: {
! 1179: usec = cdevent.tv.tv_usec - usec;
! 1180: if (usec < 0)
! 1181: usec += 1000000;
! 1182:
! 1183: hardpps(&cdevent.tv, usec);
! 1184: }
! 1185: #endif
! 1186:
! 1187: q = za->za_ttycommon.t_readq;
! 1188:
! 1189: /*
! 1190: * ok - now the hard part - find ourself
! 1191: */
! 1192: loopcheck = MAXDEPTH;
! 1193:
! 1194: while (q)
! 1195: {
! 1196: if (q->q_qinfo && q->q_qinfo->qi_minfo)
! 1197: {
! 1198: dname = q->q_qinfo->qi_minfo->mi_idname;
! 1199:
! 1200: if (!Strcmp(dname, parseinfo.st_rdinit->qi_minfo->mi_idname))
! 1201: {
! 1202: /*
! 1203: * back home - phew (hopping along stream queues might
! 1204: * prove dangerous to your health)
! 1205: */
! 1206:
! 1207: if ((((parsestream_t *)(void *)q->q_ptr)->parse_status & PARSE_ENABLE) &&
! 1208: parse_iopps(&((parsestream_t *)(void *)q->q_ptr)->parse_io, (int)(status ? SYNC_ONE : SYNC_ZERO), &cdevent))
! 1209: {
! 1210: /*
! 1211: * XXX - currently we do not pass up the message, as
! 1212: * we should.
! 1213: * for a correct behaviour wee need to block out
! 1214: * processing until parse_iodone has been posted via
! 1215: * a softcall-ed routine which does the message pass-up
! 1216: * right now PPS information relies on input being
! 1217: * received
! 1218: */
! 1219: parse_iodone(&((parsestream_t *)(void *)q->q_ptr)->parse_io);
! 1220: }
! 1221:
! 1222: if (status)
! 1223: {
! 1224: ((parsestream_t *)(void *)q->q_ptr)->parse_ppsclockev.tv = cdevent.tv;
! 1225: ++(((parsestream_t *)(void *)q->q_ptr)->parse_ppsclockev.serial);
! 1226: }
! 1227:
! 1228: parseprintf(DD_ISR, ("zs_xsisr: CD event %s has been posted for \"%s\"\n", status ? "ONE" : "ZERO", dname));
! 1229: break;
! 1230: }
! 1231: }
! 1232:
! 1233: q = q->q_next;
! 1234:
! 1235: if (!loopcheck--)
! 1236: {
! 1237: panic("zs_xsisr: STREAMS Queue corrupted - CD event");
! 1238: }
! 1239: }
! 1240:
! 1241: /*
! 1242: * only pretend that CD has been handled
! 1243: */
! 1244: ZSDELAY(2);
! 1245:
! 1246: if (!((za->za_rr0 ^ zsstatus) & ~(cdmask)))
! 1247: {
! 1248: /*
! 1249: * all done - kill status indication and return
! 1250: */
! 1251: zsaddr->zscc_control = ZSWR0_RESET_STATUS; /* might kill other conditions here */
! 1252: return 0;
! 1253: }
! 1254: }
! 1255:
! 1256: if (zsstatus & cdmask) /* fake CARRIER status */
! 1257: za->za_flags |= ZAS_CARR_ON;
! 1258: else
! 1259: za->za_flags &= ~ZAS_CARR_ON;
! 1260:
! 1261: /*
! 1262: * we are now gathered here to process some unusual external status
! 1263: * interrupts.
! 1264: * any CD events have also been handled and shouldn't be processed
! 1265: * by the original routine (unless we have a VERY busy port pin)
! 1266: * some initializations are done here, which could have been done before for
! 1267: * both code paths but have been avoided for minimum path length to
! 1268: * the uniq_time routine
! 1269: */
! 1270: dname = (char *) 0;
! 1271: q = za->za_ttycommon.t_readq;
! 1272:
! 1273: loopcheck = MAXDEPTH;
! 1274:
! 1275: /*
! 1276: * the real thing for everything else ...
! 1277: */
! 1278: while (q)
! 1279: {
! 1280: if (q->q_qinfo && q->q_qinfo->qi_minfo)
! 1281: {
! 1282: dname = q->q_qinfo->qi_minfo->mi_idname;
! 1283: if (!Strcmp(dname, parseinfo.st_rdinit->qi_minfo->mi_idname))
! 1284: {
! 1285: register int (*zsisr) (struct zscom *);
! 1286:
! 1287: /*
! 1288: * back home - phew (hopping along stream queues might
! 1289: * prove dangerous to your health)
! 1290: */
! 1291: if ((zsisr = ((struct savedzsops *)((parsestream_t *)(void *)q->q_ptr)->parse_data)->oldzsops->zsop_xsint))
! 1292: return zsisr(zs);
! 1293: else
! 1294: panic("zs_xsisr: unable to locate original ISR");
! 1295:
! 1296: parseprintf(DD_ISR, ("zs_xsisr: non CD event was processed for \"%s\"\n", dname));
! 1297: /*
! 1298: * now back to our program ...
! 1299: */
! 1300: return 0;
! 1301: }
! 1302: }
! 1303:
! 1304: q = q->q_next;
! 1305:
! 1306: if (!loopcheck--)
! 1307: {
! 1308: panic("zs_xsisr: STREAMS Queue corrupted - non CD event");
! 1309: }
! 1310: }
! 1311:
! 1312: /*
! 1313: * last resort - shouldn't even come here as it indicates
! 1314: * corrupted TTY structures
! 1315: */
! 1316: printf("zs_zsisr: looking for \"%s\" - found \"%s\" - taking EMERGENCY path\n", parseinfo.st_rdinit->qi_minfo->mi_idname, dname ? dname : "-NIL-");
! 1317:
! 1318: if (emergencyzs && emergencyzs->zsop_xsint)
! 1319: emergencyzs->zsop_xsint(zs);
! 1320: else
! 1321: panic("zs_xsisr: no emergency ISR handler");
! 1322: return 0;
! 1323: }
! 1324: #endif /* sun */
! 1325:
! 1326: /*
! 1327: * History:
! 1328: *
! 1329: * parsestreams.c,v
! 1330: * Revision 4.11 2005/04/16 17:32:10 kardel
! 1331: * update copyright
! 1332: *
! 1333: * Revision 4.10 2004/11/14 16:06:08 kardel
! 1334: * update Id tags
! 1335: *
! 1336: * Revision 4.9 2004/11/14 15:29:41 kardel
! 1337: * support PPSAPI, upgrade Copyright to Berkeley style
! 1338: *
! 1339: * Revision 4.7 1999/11/28 09:13:53 kardel
! 1340: * RECON_4_0_98F
! 1341: *
! 1342: * Revision 4.6 1998/12/20 23:45:31 kardel
! 1343: * fix types and warnings
! 1344: *
! 1345: * Revision 4.5 1998/11/15 21:23:38 kardel
! 1346: * ntp_memset() replicated in Sun kernel files
! 1347: *
! 1348: * Revision 4.4 1998/06/13 12:15:59 kardel
! 1349: * superfluous variable removed
! 1350: *
! 1351: * Revision 4.3 1998/06/12 15:23:08 kardel
! 1352: * fix prototypes
! 1353: * adjust for ansi2knr
! 1354: *
! 1355: * Revision 4.2 1998/05/24 18:16:22 kardel
! 1356: * moved copy of shadow status to the beginning
! 1357: *
! 1358: * Revision 4.1 1998/05/24 09:38:47 kardel
! 1359: * streams initiated iopps calls (M_xHANGUP) are now consistent with the
! 1360: * respective calls from zs_xsisr()
! 1361: * simulation of CARRIER status to avoid unecessary M_xHANGUP messages
! 1362: *
! 1363: * Revision 4.0 1998/04/10 19:45:38 kardel
! 1364: * Start 4.0 release version numbering
! 1365: *
! 1366: * from V3 3.37 log info deleted 1998/04/11 kardel
! 1367: */
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