drivers/isdn/hisax/lmgr.c

   1 /* $Id: lmgr.c,v 1.7.6.2 2001/09/23 22:24:50 kai Exp $
   2  *
   3  * Layermanagement module
   4  *
   5  * Author       Karsten Keil
   6  * Copyright    by Karsten Keil      <keil@isdn4linux.de>
   7  *
   8  * This software may be used and distributed according to the terms
   9  * of the GNU General Public License, incorporated herein by reference.
  10  *
  11  */
  12
  13 #include "hisax.h"
  14
  15 static void
  16 error_handling_dchan(struct PStack *st, int Error)
  17 {
  18         switch (Error) {
  19         case 'C':
  20         case 'D':
  21         case 'G':
  22         case 'H':
  23                 st->l2.l2tei(st, MDL_ERROR | REQUEST, NULL);
  24                 break;
  25         }
  26 }
  27
  28 static void
  29 hisax_manager(struct PStack *st, int pr, void *arg)
  30 {
  31         long Code;
  32
  33         switch (pr) {
  34         case (MDL_ERROR | INDICATION):
  35                 Code = (long) arg;
  36                 HiSax_putstatus(st->l1.hardware, "manager: MDL_ERROR",
  37                                 " %c %s", (char)Code,
  38                                 test_bit(FLG_LAPD, &st->l2.flag) ?
  39                                 "D-channel" : "B-channel");
  40                 if (test_bit(FLG_LAPD, &st->l2.flag))
  41                         error_handling_dchan(st, Code);
  42                 break;
  43         }
  44 }
  45
  46 void
  47 setstack_manager(struct PStack *st)
  48 {
  49         st->ma.layer = hisax_manager;
  50 }