diff options
Diffstat (limited to 'drivers/isdn/teles/callc.c')
| -rw-r--r-- | drivers/isdn/teles/callc.c | 1453 |
1 files changed, 0 insertions, 1453 deletions
diff --git a/drivers/isdn/teles/callc.c b/drivers/isdn/teles/callc.c deleted file mode 100644 index b065d5670..000000000 --- a/drivers/isdn/teles/callc.c +++ /dev/null @@ -1,1453 +0,0 @@ -/* $Id: callc.c,v 1.16 1997/02/11 01:39:46 keil Exp $ - * - * $Log: callc.c,v $ - * Revision 1.16 1997/02/11 01:39:46 keil - * Changed setup-interface (incoming and outgoing) - * - * Revision 1.15 1996/11/23 11:32:20 keil - * windowsize = 7 X.75 bugfix Thanks to Martin Maurer - * - * Revision 1.14 1996/10/22 23:14:14 fritz - * Changes for compatibility to 2.0.X and 2.1.X kernels. - * - * Revision 1.13 1996/06/24 17:15:55 fritz - * corrected return code of teles_writebuf() - * - * Revision 1.12 1996/06/12 16:15:33 fritz - * Extended user-configurable debugging flags. - * - * Revision 1.11 1996/06/07 12:32:20 fritz - * More changes to support suspend/resume. - * - * Revision 1.10 1996/06/06 21:24:21 fritz - * Started adding support for suspend/resume. - * - * Revision 1.9 1996/05/31 12:23:57 jdenoud - * Jan: added channel open check to teles_writebuf - * - * Revision 1.8 1996/05/31 01:00:38 fritz - * Changed return code of teles_writebuf, when out of memory. - * - * Revision 1.7 1996/05/17 03:40:37 fritz - * General cleanup. - * - * Revision 1.6 1996/05/10 22:42:07 fritz - * Added entry for EV_RELEASE_CNF in ST_OUT (if no D-Channel avail.) - * - * Revision 1.5 1996/05/06 10:16:15 fritz - * Added voice stuff. - * - * Revision 1.4 1996/04/30 22:04:05 isdn4dev - * improved callback Karsten Keil - * - * Revision 1.3 1996/04/30 10:04:19 fritz - * Started voice support. - * Added printk() to debug-switcher for easier - * synchronization between printk()'s and output - * of /dev/isdnctrl. - * - * Revision 1.2 1996/04/20 16:42:29 fritz - * Changed statemachine to allow reject of incoming calls. - * - * Revision 1.1 1996/04/13 10:20:59 fritz - * Initial revision - * - * - */ -#define __NO_VERSION__ -#include "teles.h" - -extern struct IsdnCard cards[]; -extern int nrcards; -extern int drid; -extern isdn_if iif; -extern void teles_mod_dec_use_count(void); -extern void teles_mod_inc_use_count(void); - -static int init_ds(int chan, int incoming); -static void release_ds(int chan); - -static struct Fsm callcfsm = -{NULL, 0, 0}, lcfsm = -{NULL, 0, 0}; - -struct Channel *chanlist; -static int chancount = 0; -unsigned int debugflags = 0; - -#define TMR_DCHAN_EST 2000 - -static void -stat_debug(struct Channel *chanp, char *s) -{ - char tmp[100], tm[32]; - - jiftime(tm, jiffies); - sprintf(tmp, "%s Channel %d HL->LL %s\n", tm, chanp->chan, s); - teles_putstatus(tmp); -} - -enum { - ST_NULL, /* 0 inactive */ - ST_OUT, /* 1 outgoing, awaiting SETUP confirm */ - ST_CLEAR, /* 2 call release, awaiting RELEASE confirm */ - ST_OUT_W, /* 3 outgoing, awaiting d-channel establishment */ - ST_REL_W, /* 4 awaiting d-channel release */ - ST_IN_W, /* 5 incoming, awaiting d-channel establishment */ - ST_IN, /* 6 incoming call received */ - ST_IN_SETUP, /* 7 incoming, SETUP response sent */ - ST_IN_DACT, /* 8 incoming connected, no b-channel prot. */ - ST_OUT_ESTB, /* 10 outgoing connected, awaiting b-channel prot. estbl. */ - ST_ACTIVE, /* 11 active, b channel prot. established */ - ST_BC_HANGUP, /* 12 call clear. (initiator), awaiting b channel prot. rel. */ - ST_PRO_W, /* 13 call clear. (initiator), DISCONNECT req. sent */ - ST_ANT_W, /* 14 call clear. (receiver), awaiting DISCONNECT ind. */ - ST_DISC_BC_HANGUP, /* d channel gone, wait for b channel deactivation */ - ST_OUT_W_HANGUP, /* Outgoing waiting for D-Channel hangup received */ - ST_D_ERR, /* d channel released while active */ -}; - -#define STATE_COUNT (ST_D_ERR+1) - -static char *strState[] = -{ - "ST_NULL", - "ST_OUT", - "ST_CLEAR", - "ST_OUT_W", - "ST_REL_W", - "ST_IN_W", - "ST_IN", - "ST_IN_SETUP", - "ST_IN_DACT", - "ST_OUT_ESTB", - "ST_ACTIVE", - "ST_BC_HANGUP", - "ST_PRO_W", - "ST_ANT_W", - "ST_DISC_BC_HANGUP", - "ST_OUT_W_HANGUP", - "ST_D_ERR", -}; - -enum { - EV_DIAL, /* 0 */ - EV_SETUP_CNF, /* 1 */ - EV_ACCEPTB, /* 2 */ - EV_DISCONNECT_CNF, /* 5 */ - EV_DISCONNECT_IND, /* 6 */ - EV_RELEASE_CNF, /* 7 */ - EV_DLEST, /* 8 */ - EV_DLRL, /* 9 */ - EV_SETUP_IND, /* 10 */ - EV_RELEASE_IND, /* 11 */ - EV_ACCEPTD, /* 12 */ - EV_SETUP_CMPL_IND, /* 13 */ - EV_BC_EST, /* 14 */ - EV_WRITEBUF, /* 15 */ - EV_DATAIN, /* 16 */ - EV_HANGUP, /* 17 */ - EV_BC_REL, /* 18 */ - EV_CINF, /* 19 */ - EV_SUSPEND, /* 20 */ - EV_RESUME, /* 21 */ -}; - -#define EVENT_COUNT (EV_CINF+1) - -static char *strEvent[] = -{ - "EV_DIAL", - "EV_SETUP_CNF", - "EV_ACCEPTB", - "EV_DISCONNECT_CNF", - "EV_DISCONNECT_IND", - "EV_RELEASE_CNF", - "EV_DLEST", - "EV_DLRL", - "EV_SETUP_IND", - "EV_RELEASE_IND", - "EV_ACCEPTD", - "EV_SETUP_CMPL_IND", - "EV_BC_EST", - "EV_WRITEBUF", - "EV_DATAIN", - "EV_HANGUP", - "EV_BC_REL", - "EV_CINF", - "EV_SUSPEND", - "EV_RESUME", -}; - -enum { - ST_LC_NULL, - ST_LC_ACTIVATE_WAIT, - ST_LC_DELAY, - ST_LC_ESTABLISH_WAIT, - ST_LC_CONNECTED, - ST_LC_RELEASE_WAIT, -}; - -#define LC_STATE_COUNT (ST_LC_RELEASE_WAIT+1) - -static char *strLcState[] = -{ - "ST_LC_NULL", - "ST_LC_ACTIVATE_WAIT", - "ST_LC_DELAY", - "ST_LC_ESTABLISH_WAIT", - "ST_LC_CONNECTED", - "ST_LC_RELEASE_WAIT", -}; - -enum { - EV_LC_ESTABLISH, - EV_LC_PH_ACTIVATE, - EV_LC_PH_DEACTIVATE, - EV_LC_DL_ESTABLISH, - EV_LC_TIMER, - EV_LC_DL_RELEASE, - EV_LC_RELEASE, -}; - -#define LC_EVENT_COUNT (EV_LC_RELEASE+1) - -static char *strLcEvent[] = -{ - "EV_LC_ESTABLISH", - "EV_LC_PH_ACTIVATE", - "EV_LC_PH_DEACTIVATE", - "EV_LC_DL_ESTABLISH", - "EV_LC_TIMER", - "EV_LC_DL_RELEASE", - "EV_LC_RELEASE", -}; - -#define LC_D 0 -#define LC_B 1 - -/* - * Dial out - */ -static void -r1(struct FsmInst *fi, int event, void *arg) -{ - isdn_ctrl *ic = arg; - struct Channel *chanp = fi->userdata; - - chanp->para.setup = ic->parm.setup; - if (!strcmp(chanp->para.setup.eazmsn, "0")) - chanp->para.setup.eazmsn[0] = '\0'; - - chanp->l2_active_protocol = chanp->l2_protocol; - chanp->incoming = 0; - chanp->lc_b.l2_start = !0; - - switch (chanp->l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - chanp->lc_b.l2_establish = !0; - break; - case (ISDN_PROTO_L2_HDLC): - case (ISDN_PROTO_L2_TRANS): - chanp->lc_b.l2_establish = 0; - break; - default: - printk(KERN_WARNING "r1 unknown protocol\n"); - break; - } - - FsmChangeState(fi, ST_OUT_W); - FsmEvent(&chanp->lc_d.lcfi, EV_LC_ESTABLISH, NULL); -} - -static void -ll_hangup(struct Channel *chanp, int bchantoo) -{ - isdn_ctrl ic; - - if (bchantoo) { - if (chanp->debug & 1) - stat_debug(chanp, "STAT_BHUP"); - ic.driver = drid; - ic.command = ISDN_STAT_BHUP; - ic.arg = chanp->chan; - iif.statcallb(&ic); - } - if (chanp->debug & 1) - stat_debug(chanp, "STAT_DHUP"); - ic.driver = drid; - ic.command = ISDN_STAT_DHUP; - ic.arg = chanp->chan; - iif.statcallb(&ic); -} - -static void -r2(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->is.l4.l4l3(&chanp->is, CC_RELEASE_REQ, NULL); - - FsmChangeState(fi, ST_CLEAR); - ll_hangup(chanp, 0); -} - - -static void -r2_1(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->is.l4.l4l3(&chanp->is, CC_DISCONNECT_REQ, NULL); - - FsmChangeState(fi, ST_OUT_W_HANGUP); -} - - -static void -r2_2(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_REL_W); - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE, NULL); - ll_hangup(chanp, 0); -} - - -static void -r3(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE, NULL); - FsmChangeState(fi, ST_REL_W); -} - - -static void -r3_1(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->is.l4.l4l3(&chanp->is,CC_DLRL,NULL); - - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE, NULL); - FsmChangeState(fi, ST_REL_W); - ll_hangup(chanp, 0); -} - - -static void -r4(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp=fi->userdata; - - chanp->is.l4.l4l3(&chanp->is,CC_DLRL,NULL); - FsmChangeState(fi, ST_NULL); -} - -static void -r5(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->para.callref = chanp->outcallref; - - chanp->outcallref++; - if (chanp->outcallref == 128) - chanp->outcallref = 64; - - chanp->is.l4.l4l3(&chanp->is, CC_SETUP_REQ, NULL); - - FsmChangeState(fi, ST_OUT); -} - -static void -r6(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_IN_W); - FsmEvent(&chanp->lc_d.lcfi, EV_LC_ESTABLISH, NULL); -} - -static void -r7(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - - /* - * Report incoming calls only once to linklevel, use octet 3 of - * channel identification information element. (it's value - * is copied to chanp->para.bchannel in l3s12(), file isdnl3.c) - */ - if (((chanp->chan & 1) + 1) & chanp->para.bchannel) { - chanp->is.l4.l4l3(&chanp->is, CC_ALERTING_REQ, NULL); - FsmChangeState(fi, ST_IN); - if (chanp->debug & 1) - stat_debug(chanp, "STAT_ICALL"); - ic.driver = drid; - ic.command = ISDN_STAT_ICALL; - ic.arg = chanp->chan; - /* - * No need to return "unknown" for calls without OAD, - * cause that's handled in linklevel now (replaced by '0') - */ - ic.parm.setup = chanp->para.setup; - iif.statcallb(&ic); - } else { - chanp->is.l4.l4l3(&chanp->is,CC_DLRL,NULL); - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE, NULL); - FsmChangeState(fi, ST_REL_W); - } -} - -static void -r8(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_IN_SETUP); - chanp->is.l4.l4l3(&chanp->is, CC_SETUP_RSP, NULL); - -} - -static void -r9(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_IN_DACT); - - chanp->l2_active_protocol = chanp->l2_protocol; - chanp->incoming = !0; - chanp->lc_b.l2_start = 0; - - switch (chanp->l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - chanp->lc_b.l2_establish = !0; - break; - case (ISDN_PROTO_L2_HDLC): - case (ISDN_PROTO_L2_TRANS): - chanp->lc_b.l2_establish = 0; - break; - default: - printk(KERN_WARNING "r9 unknown protocol\n"); - break; - } - - init_ds(chanp->chan, !0); - - FsmEvent(&chanp->lc_b.lcfi, EV_LC_ESTABLISH, NULL); -} - -static void -r10(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_OUT_ESTB); - - init_ds(chanp->chan, 0); - FsmEvent(&chanp->lc_b.lcfi, EV_LC_ESTABLISH, NULL); - -} - -static void -r12(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - - FsmChangeState(fi, ST_ACTIVE); - chanp->data_open = !0; - - if (chanp->debug & 1) - stat_debug(chanp, "STAT_DCONN"); - ic.driver = drid; - ic.command = ISDN_STAT_DCONN; - ic.arg = chanp->chan; - iif.statcallb(&ic); - - if (chanp->debug & 1) - stat_debug(chanp, "STAT_BCONN"); - ic.driver = drid; - ic.command = ISDN_STAT_BCONN; - ic.arg = chanp->chan; - iif.statcallb(&ic); -} - -static void -r15(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - FsmChangeState(fi, ST_BC_HANGUP); - FsmEvent(&chanp->lc_b.lcfi, EV_LC_RELEASE, NULL); -} - -static void -r16(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_ds(chanp->chan); - - FsmChangeState(fi, ST_PRO_W); - chanp->is.l4.l4l3(&chanp->is, CC_DISCONNECT_REQ, NULL); -} - -static void -r17(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - release_ds(chanp->chan); - - FsmChangeState(fi, ST_ANT_W); -} - - -static void -r17_1(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - release_ds(chanp->chan); - - chanp->is.l4.l4l3(&chanp->is,CC_DLRL,NULL); - - FsmEvent(&chanp->lc_d.lcfi,EV_LC_RELEASE,NULL); - - FsmChangeState(fi, ST_NULL); - - ll_hangup(chanp,!0); -} - -static void -r18(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_REL_W); - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE, NULL); - - ll_hangup(chanp, !0); -} - -static void -r19(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_CLEAR); - - chanp->is.l4.l4l3(&chanp->is, CC_RELEASE_REQ, NULL); - - ll_hangup(chanp, !0); -} - -static void -r20(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->is.l4.l4l3(&chanp->is,CC_DLRL,NULL); - - FsmEvent(&chanp->lc_d.lcfi,EV_LC_RELEASE,NULL); - - FsmChangeState(fi, ST_NULL); - - ll_hangup(chanp, 0); -} - - -static void -r21(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - FsmChangeState(fi, ST_DISC_BC_HANGUP); - FsmEvent(&chanp->lc_b.lcfi, EV_LC_RELEASE, NULL); -} - -static void -r22(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_ds(chanp->chan); - - FsmChangeState(fi, ST_CLEAR); - - chanp->is.l4.l4l3(&chanp->is, CC_RELEASE_REQ, NULL); - - ll_hangup(chanp, !0); -} - -static void -r23(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_ds(chanp->chan); - - FsmChangeState(fi, ST_PRO_W); - chanp->is.l4.l4l3(&chanp->is, CC_DISCONNECT_REQ, NULL); -} - -static void -r23_1(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_ds(chanp->chan); - - chanp->is.l4.l4l3(&chanp->is, CC_DLRL,NULL); - - FsmEvent(&chanp->lc_d.lcfi, EV_LC_RELEASE,NULL); - - FsmChangeState(fi, ST_NULL); - - ll_hangup(chanp,!0); -} - -static void -r24(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - FsmChangeState(fi, ST_D_ERR); - FsmEvent(&chanp->lc_b.lcfi, EV_LC_RELEASE, NULL); -} - -static void -r25(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_ds(chanp->chan); - - FsmChangeState(fi, ST_NULL); - - ll_hangup(chanp, !0); -} - -static void -r26(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - - - ic.driver = drid; - ic.command = ISDN_STAT_CINF; - ic.arg = chanp->chan; - sprintf(ic.parm.num, "%d", chanp->para.chargeinfo); - iif.statcallb(&ic); -} - - - -static struct FsmNode fnlist[] = -{ - {ST_NULL, EV_DIAL, r1}, - {ST_OUT_W, EV_DLEST, r5}, - {ST_OUT_W, EV_DLRL, r20}, - {ST_OUT_W, EV_RELEASE_CNF, r2_2 }, - {ST_OUT, EV_DISCONNECT_IND, r2}, - {ST_OUT, EV_SETUP_CNF, r10}, - {ST_OUT, EV_HANGUP, r2_1}, - {ST_OUT, EV_RELEASE_IND, r20}, - {ST_OUT, EV_RELEASE_CNF, r20}, - {ST_OUT, EV_DLRL, r2_2}, - {ST_OUT_W_HANGUP, EV_RELEASE_IND, r2_2}, - {ST_OUT_W_HANGUP, EV_DLRL, r20}, - {ST_CLEAR, EV_RELEASE_CNF, r3}, - {ST_CLEAR, EV_DLRL, r20}, - {ST_REL_W, EV_DLRL, r4}, - {ST_NULL, EV_SETUP_IND, r6}, - {ST_IN_W, EV_DLEST, r7}, - {ST_IN_W, EV_DLRL, r3_1}, - {ST_IN, EV_DLRL, r3_1}, - {ST_IN, EV_HANGUP, r2_1}, - {ST_IN, EV_RELEASE_IND, r2_2}, - {ST_IN, EV_RELEASE_CNF, r2_2}, - {ST_IN, EV_ACCEPTD, r8}, - {ST_IN_SETUP, EV_HANGUP, r2_1}, - {ST_IN_SETUP, EV_SETUP_CMPL_IND, r9}, - {ST_IN_SETUP, EV_RELEASE_IND, r2_2}, - {ST_IN_SETUP, EV_DISCONNECT_IND, r2}, - {ST_IN_SETUP, EV_DLRL, r20}, - {ST_OUT_ESTB, EV_BC_EST, r12}, - {ST_OUT_ESTB, EV_BC_REL, r23}, - {ST_OUT_ESTB, EV_DLRL, r23_1}, - {ST_IN_DACT, EV_BC_EST, r12}, - {ST_IN_DACT, EV_BC_REL, r17}, - {ST_IN_DACT, EV_DLRL, r17_1}, - {ST_ACTIVE, EV_HANGUP, r15}, - {ST_ACTIVE, EV_BC_REL, r17}, - {ST_ACTIVE, EV_DISCONNECT_IND, r21}, - {ST_ACTIVE, EV_DLRL, r24}, - {ST_ACTIVE, EV_CINF, r26}, - {ST_ACTIVE, EV_RELEASE_IND, r17}, - {ST_BC_HANGUP, EV_BC_REL, r16}, - {ST_BC_HANGUP, EV_DISCONNECT_IND, r21}, - {ST_PRO_W, EV_RELEASE_IND, r18}, - {ST_ANT_W, EV_DISCONNECT_IND, r19}, - {ST_DISC_BC_HANGUP, EV_BC_REL, r22}, - {ST_D_ERR, EV_BC_REL, r25}, -}; - -#define FNCOUNT (sizeof(fnlist)/sizeof(struct FsmNode)) - -static void -lc_r1(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - FsmChangeState(fi, ST_LC_ACTIVATE_WAIT); - FsmAddTimer(&lf->act_timer, 1000, EV_LC_TIMER, NULL, 50); - lf->st->ma.manl1(lf->st, PH_ACTIVATE, NULL); - -} - -static void -lc_r6(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - FsmDelTimer(&lf->act_timer, 50); - FsmChangeState(fi, ST_LC_DELAY); - FsmAddTimer(&lf->act_timer, 40, EV_LC_TIMER, NULL, 51); -} - -static void -lc_r2(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - if (lf->l2_establish) { - FsmChangeState(fi, ST_LC_ESTABLISH_WAIT); - if (lf->l2_start) - lf->st->ma.manl2(lf->st, DL_ESTABLISH, NULL); - } else { - FsmChangeState(fi, ST_LC_CONNECTED); - lf->lccall(lf, LC_ESTABLISH, NULL); - } -} - -static void -lc_r3(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - FsmChangeState(fi, ST_LC_CONNECTED); - lf->lccall(lf, LC_ESTABLISH, NULL); -} - -static void -lc_r4(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - if (lf->l2_establish) { - FsmChangeState(fi, ST_LC_RELEASE_WAIT); - lf->st->ma.manl2(lf->st, DL_RELEASE, NULL); - } else { - FsmChangeState(fi, ST_LC_NULL); - lf->st->ma.manl1(lf->st, PH_DEACTIVATE, NULL); - lf->lccall(lf, LC_RELEASE, NULL); - } -} - -static void -lc_r5(struct FsmInst *fi, int event, void *arg) -{ - struct LcFsm *lf = fi->userdata; - - FsmChangeState(fi, ST_LC_NULL); - lf->st->ma.manl1(lf->st, PH_DEACTIVATE, NULL); - lf->lccall(lf, LC_RELEASE, NULL); -} - -static struct FsmNode LcFnList[] = -{ - {ST_LC_NULL, EV_LC_ESTABLISH, lc_r1}, - {ST_LC_ACTIVATE_WAIT, EV_LC_PH_ACTIVATE, lc_r6}, - {ST_LC_DELAY, EV_LC_TIMER, lc_r2}, - {ST_LC_ESTABLISH_WAIT, EV_LC_DL_ESTABLISH, lc_r3}, - {ST_LC_CONNECTED, EV_LC_RELEASE, lc_r4}, - {ST_LC_CONNECTED, EV_LC_DL_RELEASE, lc_r5}, - {ST_LC_RELEASE_WAIT, EV_LC_DL_RELEASE, lc_r5}, - {ST_LC_ACTIVATE_WAIT, EV_LC_TIMER, lc_r5}, - {ST_LC_ESTABLISH_WAIT, EV_LC_DL_RELEASE, lc_r5}, -}; - -#define LC_FN_COUNT (sizeof(LcFnList)/sizeof(struct FsmNode)) - -void -CallcNew(void) -{ - callcfsm.state_count = STATE_COUNT; - callcfsm.event_count = EVENT_COUNT; - callcfsm.strEvent = strEvent; - callcfsm.strState = strState; - FsmNew(&callcfsm, fnlist, FNCOUNT); - - lcfsm.state_count = LC_STATE_COUNT; - lcfsm.event_count = LC_EVENT_COUNT; - lcfsm.strEvent = strLcEvent; - lcfsm.strState = strLcState; - FsmNew(&lcfsm, LcFnList, LC_FN_COUNT); -} - -void -CallcFree(void) -{ - FsmFree(&lcfsm); - FsmFree(&callcfsm); -} - -static void -release_ds(int chan) -{ - struct PStack *st = &chanlist[chan].ds; - struct IsdnCardState *sp; - struct HscxState *hsp; - - sp = st->l1.hardware; - hsp = sp->hs + chanlist[chan].hscx; - - close_hscxstate(hsp); - - switch (chanlist[chan].l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - releasestack_isdnl2(st); - break; - case (ISDN_PROTO_L2_HDLC): - case (ISDN_PROTO_L2_TRANS): - releasestack_transl2(st); - break; - } -} - -static void -cc_l1man(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - - switch (pr) { - case (PH_ACTIVATE): - FsmEvent(&chanp->lc_d.lcfi, EV_LC_PH_ACTIVATE, NULL); - break; - case (PH_DEACTIVATE): - FsmEvent(&chanp->lc_d.lcfi, EV_LC_PH_DEACTIVATE, NULL); - break; - } -} - -static void -cc_l2man(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - - switch (pr) { - case (DL_ESTABLISH): - FsmEvent(&chanp->lc_d.lcfi, EV_LC_DL_ESTABLISH, NULL); - break; - case (DL_RELEASE): - FsmEvent(&chanp->lc_d.lcfi, EV_LC_DL_RELEASE, NULL); - break; - } -} - -static void -dcc_l1man(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - - switch (pr) { - case (PH_ACTIVATE): - FsmEvent(&chanp->lc_b.lcfi, EV_LC_PH_ACTIVATE, NULL); - break; - case (PH_DEACTIVATE): - FsmEvent(&chanp->lc_b.lcfi, EV_LC_PH_DEACTIVATE, NULL); - break; - } -} - -static void -dcc_l2man(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - - switch (pr) { - case (DL_ESTABLISH): - FsmEvent(&chanp->lc_b.lcfi, EV_LC_DL_ESTABLISH, NULL); - break; - case (DL_RELEASE): - FsmEvent(&chanp->lc_b.lcfi, EV_LC_DL_RELEASE, NULL); - break; - } -} - -static void -ll_handler(struct PStack *st, int pr, - struct BufHeader *ibh) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - - switch (pr) { - case (CC_DISCONNECT_IND): - FsmEvent(&chanp->fi, EV_DISCONNECT_IND, NULL); - break; - case (CC_RELEASE_CNF): - FsmEvent(&chanp->fi, EV_RELEASE_CNF, NULL); - break; - case (CC_SETUP_IND): - FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); - break; - case (CC_RELEASE_IND): - FsmEvent(&chanp->fi, EV_RELEASE_IND, NULL); - break; - case (CC_SETUP_COMPLETE_IND): - FsmEvent(&chanp->fi, EV_SETUP_CMPL_IND, NULL); - break; - case (CC_SETUP_CNF): - FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); - break; - case (CC_INFO_CHARGE): - FsmEvent(&chanp->fi, EV_CINF, NULL); - break; - } -} - -static void -init_is(int chan, unsigned int ces) -{ - struct PStack *st = &(chanlist[chan].is); - struct IsdnCardState *sp = chanlist[chan].sp; - char tmp[128]; - - setstack_teles(st, sp); - - st->l2.sap = 0; - - st->l2.tei = 255; - - st->l2.ces = ces; - st->l2.extended = !0; - st->l2.laptype = LAPD; - st->l2.window = 1; - st->l2.orig = !0; - st->l2.t200 = 1000; /* 1000 milliseconds */ - if (st->protocol == ISDN_PTYPE_1TR6) { - st->l2.n200 = 3; /* try 3 times */ - st->l2.t203 = 10000; /* 10000 milliseconds */ - } else { - st->l2.n200 = 4; /* try 4 times */ - st->l2.t203 = 5000; /* 5000 milliseconds */ - } - - sprintf(tmp, "Channel %d q.921", chan); - setstack_isdnl2(st, tmp); - setstack_isdnl3(st); - st->l2.debug = 2; - st->l3.debug = 2; - st->l2.debug = 0xff; - st->l3.debug = 0xff; - st->l4.userdata = chanlist + chan; - st->l4.l2writewakeup = NULL; - - st->l3.l3l4 = ll_handler; - st->l1.l1man = cc_l1man; - st->l2.l2man = cc_l2man; - - st->pa = &chanlist[chan].para; - teles_addlist(sp, st); -} - -static void -callc_debug(struct FsmInst *fi, char *s) -{ - char str[80], tm[32]; - struct Channel *chanp = fi->userdata; - - jiftime(tm, jiffies); - sprintf(str, "%s Channel %d callc %s\n", tm, chanp->chan, s); - teles_putstatus(str); -} - -static void -lc_debug(struct FsmInst *fi, char *s) -{ - char str[256], tm[32]; - struct LcFsm *lf = fi->userdata; - - jiftime(tm, jiffies); - sprintf(str, "%s Channel %d lc %s\n", tm, lf->ch->chan, s); - teles_putstatus(str); -} - -static void -dlc_debug(struct FsmInst *fi, char *s) -{ - char str[256], tm[32]; - struct LcFsm *lf = fi->userdata; - - jiftime(tm, jiffies); - sprintf(str, "%s Channel %d dlc %s\n", tm, lf->ch->chan, s); - teles_putstatus(str); -} - -static void -lccall_d(struct LcFsm *lf, int pr, void *arg) -{ - struct Channel *chanp = lf->ch; - - switch (pr) { - case (LC_ESTABLISH): - FsmEvent(&chanp->fi, EV_DLEST, NULL); - break; - case (LC_RELEASE): - FsmEvent(&chanp->fi, EV_DLRL, NULL); - break; - } -} - -static void -lccall_b(struct LcFsm *lf, int pr, void *arg) -{ - struct Channel *chanp = lf->ch; - - switch (pr) { - case (LC_ESTABLISH): - FsmEvent(&chanp->fi, EV_BC_EST, NULL); - break; - case (LC_RELEASE): - FsmEvent(&chanp->fi, EV_BC_REL, NULL); - break; - } -} - -static void -init_chan(int chan, int cardnr, int hscx, - unsigned int ces) -{ - struct IsdnCard *card = cards + cardnr; - struct Channel *chanp = chanlist + chan; - - chanp->sp = card->sp; - chanp->hscx = hscx; - chanp->chan = chan; - chanp->incoming = 0; - chanp->debug = 0; - init_is(chan, ces); - - chanp->fi.fsm = &callcfsm; - chanp->fi.state = ST_NULL; - chanp->fi.debug = 0; - chanp->fi.userdata = chanp; - chanp->fi.printdebug = callc_debug; - - chanp->lc_d.lcfi.fsm = &lcfsm; - chanp->lc_d.lcfi.state = ST_LC_NULL; - chanp->lc_d.lcfi.debug = 0; - chanp->lc_d.lcfi.userdata = &chanp->lc_d; - chanp->lc_d.lcfi.printdebug = lc_debug; - chanp->lc_d.type = LC_D; - chanp->lc_d.ch = chanp; - chanp->lc_d.st = &chanp->is; - chanp->lc_d.l2_establish = !0; - chanp->lc_d.l2_start = !0; - chanp->lc_d.lccall = lccall_d; - FsmInitTimer(&chanp->lc_d.lcfi, &chanp->lc_d.act_timer); - - chanp->lc_b.lcfi.fsm = &lcfsm; - chanp->lc_b.lcfi.state = ST_LC_NULL; - chanp->lc_b.lcfi.debug = 0; - chanp->lc_b.lcfi.userdata = &chanp->lc_b; - chanp->lc_b.lcfi.printdebug = dlc_debug; - chanp->lc_b.type = LC_B; - chanp->lc_b.ch = chanp; - chanp->lc_b.st = &chanp->ds; - chanp->lc_b.l2_establish = !0; - chanp->lc_b.l2_start = !0; - chanp->lc_b.lccall = lccall_b; - FsmInitTimer(&chanp->lc_b.lcfi, &chanp->lc_b.act_timer); - - chanp->outcallref = 64; - chanp->data_open = 0; -} - -int -CallcNewChan(void) -{ - int i, ces, c; - - chancount = 0; - for (i = 0; i < nrcards; i++) - if (cards[i].sp) - chancount += 2; - - chanlist = (struct Channel *) Smalloc(sizeof(struct Channel) * - chancount, GFP_KERNEL, "chanlist"); - - c = 0; - ces = randomces(); - for (i = 0; i < nrcards; i++) - if (cards[i].sp) { - init_chan(c++, i, 1, ces++); - ces %= 0xffff; - init_chan(c++, i, 0, ces++); - ces %= 0xffff; - } - printk(KERN_INFO "channels %d\n", chancount); - return (chancount); - -} - -static void -release_is(int chan) -{ - struct PStack *st = &chanlist[chan].is; - - releasestack_isdnl2(st); - teles_rmlist(st->l1.hardware, st); - BufQueueRelease(&st->l2.i_queue); -} - -void -CallcFreeChan(void) -{ - int i; - - for (i = 0; i < chancount; i++) - release_is(i); - Sfree((void *) chanlist); -} - -static void -lldata_handler(struct PStack *st, int pr, - void *arg) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - byte *ptr; - int size; - struct BufHeader *ibh = arg; - - switch (pr) { - case (DL_DATA): - if (chanp->data_open) { - ptr = DATAPTR(ibh); - ptr += chanp->ds.l2.ihsize; - size = ibh->datasize - chanp->ds.l2.ihsize; - iif.rcvcallb(drid, chanp->chan, ptr, size); - } - BufPoolRelease(ibh); - break; - default: - printk(KERN_WARNING "lldata_handler unknown primitive\n"); - break; - } -} - -static void -lltrans_handler(struct PStack *st, int pr, - struct BufHeader *ibh) -{ - struct Channel *chanp = (struct Channel *) st->l4.userdata; - byte *ptr; - - switch (pr) { - case (PH_DATA): - if (chanp->data_open) { - ptr = DATAPTR(ibh); - iif.rcvcallb(drid, chanp->chan, ptr, ibh->datasize); - } - BufPoolRelease(ibh); - break; - default: - printk(KERN_WARNING "lltrans_handler unknown primitive\n"); - break; - } -} - -static void -ll_writewakeup(struct PStack *st) -{ - struct Channel *chanp = st->l4.userdata; - isdn_ctrl ic; - - ic.driver = drid; - ic.command = ISDN_STAT_BSENT; - ic.arg = chanp->chan; - iif.statcallb(&ic); -} - -static int -init_ds(int chan, int incoming) -{ - struct PStack *st = &(chanlist[chan].ds); - struct IsdnCardState *sp = (struct IsdnCardState *) - chanlist[chan].is.l1.hardware; - struct HscxState *hsp = sp->hs + chanlist[chan].hscx; - char tmp[128]; - - st->l1.hardware = sp; - - hsp->mode = 2; - hsp->transbufsize = 4000; - - if (setstack_hscx(st, hsp)) - return (-1); - - st->l2.extended = 0; - st->l2.laptype = LAPB; - st->l2.orig = !incoming; - st->l2.t200 = 1000; /* 1000 milliseconds */ - st->l2.window = 7; - st->l2.n200 = 4; /* try 4 times */ - st->l2.t203 = 5000; /* 5000 milliseconds */ - - st->l2.debug = 0xff; - st->l3.debug = 0xff; - switch (chanlist[chan].l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - sprintf(tmp, "Channel %d x.75", chan); - setstack_isdnl2(st, tmp); - st->l2.l2l3 = lldata_handler; - st->l1.l1man = dcc_l1man; - st->l2.l2man = dcc_l2man; - st->l4.userdata = chanlist + chan; - st->l4.l1writewakeup = NULL; - st->l4.l2writewakeup = ll_writewakeup; - st->l2.l2m.debug = debugflags & 16; - st->ma.manl2(st, MDL_NOTEIPROC, NULL); - st->l1.hscxmode = 2; /* Packet-Mode ? */ - st->l1.hscxchannel = chanlist[chan].para.bchannel - 1; - break; - case (ISDN_PROTO_L2_HDLC): - st->l1.l1l2 = lltrans_handler; - st->l1.l1man = dcc_l1man; - st->l4.userdata = chanlist + chan; - st->l4.l1writewakeup = ll_writewakeup; - st->l1.hscxmode = 2; - st->l1.hscxchannel = chanlist[chan].para.bchannel - 1; - break; - case (ISDN_PROTO_L2_TRANS): - st->l1.l1l2 = lltrans_handler; - st->l1.l1man = dcc_l1man; - st->l4.userdata = chanlist + chan; - st->l4.l1writewakeup = ll_writewakeup; - st->l1.hscxmode = 1; - st->l1.hscxchannel = chanlist[chan].para.bchannel - 1; - break; - } - - return (0); - -} - -static void -channel_report(int i) -{ -} - -static void -command_debug(struct Channel *chanp, char *s) -{ - char tmp[64], tm[32]; - - jiftime(tm, jiffies); - sprintf(tmp, "%s Channel %d LL->HL %s\n", tm, chanp->chan, s); - teles_putstatus(tmp); -} - -static void -distr_debug(void) -{ - int i; - - for (i = 0; i < chancount; i++) { - chanlist[i].debug = debugflags & 1; - chanlist[i].fi.debug = debugflags & 2; - chanlist[i].is.l2.l2m.debug = debugflags & 8; - chanlist[i].ds.l2.l2m.debug = debugflags & 16; - } - for (i = 0; i < nrcards; i++) - if (cards[i].sp) { - cards[i].sp->dlogflag = debugflags & 4; - cards[i].sp->debug = debugflags & 32; - } -} - -int -teles_command(isdn_ctrl * ic) -{ - struct Channel *chanp; - char tmp[64]; - int i; - unsigned int num; - - switch (ic->command) { - case (ISDN_CMD_SETEAZ): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) - command_debug(chanp, "SETEAZ"); - return (0); - case (ISDN_CMD_DIAL): - chanp = chanlist + (ic->arg & 0xff); - if (chanp->debug & 1) { - sprintf(tmp, "DIAL %s -> %s (%d,%d)", - ic->parm.setup.eazmsn, ic->parm.setup.phone, - ic->parm.setup.si1, ic->parm.setup.si2); - command_debug(chanp, tmp); - } - FsmEvent(&chanp->fi, EV_DIAL, ic); - return (0); - case (ISDN_CMD_ACCEPTB): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) - command_debug(chanp, "ACCEPTB"); - FsmEvent(&chanp->fi, EV_ACCEPTB, NULL); - break; - case (ISDN_CMD_ACCEPTD): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) - command_debug(chanp, "ACCEPTD"); - FsmEvent(&chanp->fi, EV_ACCEPTD, NULL); - break; - case (ISDN_CMD_HANGUP): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) - command_debug(chanp, "HANGUP"); - FsmEvent(&chanp->fi, EV_HANGUP, NULL); - break; - case (ISDN_CMD_SUSPEND): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) { - sprintf(tmp, "SUSPEND %s", ic->parm.num); - command_debug(chanp, tmp); - } - FsmEvent(&chanp->fi, EV_SUSPEND, ic); - break; - case (ISDN_CMD_RESUME): - chanp = chanlist + ic->arg; - if (chanp->debug & 1) { - sprintf(tmp, "RESUME %s", ic->parm.num); - command_debug(chanp, tmp); - } - FsmEvent(&chanp->fi, EV_RESUME, ic); - break; - case (ISDN_CMD_LOCK): - teles_mod_inc_use_count(); - break; - case (ISDN_CMD_UNLOCK): - teles_mod_dec_use_count(); - break; - case (ISDN_CMD_IOCTL): - switch (ic->arg) { - case (0): - for (i = 0; i < nrcards; i++) - if (cards[i].sp) - teles_reportcard(i); - for (i = 0; i < chancount; i++) - channel_report(i); - break; - case (1): - debugflags = *(unsigned int *) ic->parm.num; - distr_debug(); - sprintf(tmp, "debugging flags set to %x\n", debugflags); - teles_putstatus(tmp); - printk(KERN_DEBUG "%s", tmp); - break; - case (2): - num = *(unsigned int *) ic->parm.num; - i = num >> 8; - if (i >= chancount) - break; - chanp = chanlist + i; - chanp->impair = num & 0xff; - if (chanp->debug & 1) { - sprintf(tmp, "IMPAIR %x", chanp->impair); - command_debug(chanp, tmp); - } - break; - } - break; - case (ISDN_CMD_SETL2): - chanp = chanlist + (ic->arg & 0xff); - if (chanp->debug & 1) { - sprintf(tmp, "SETL2 %ld", ic->arg >> 8); - command_debug(chanp, tmp); - } - chanp->l2_protocol = ic->arg >> 8; - break; - default: - break; - } - - return (0); -} - -int -teles_writebuf(int id, int chan, const u_char * buf, int count, int user) -{ - struct Channel *chanp = chanlist + chan; - struct PStack *st = &chanp->ds; - struct BufHeader *ibh; - int err, i; - byte *ptr; - - if (!chanp->data_open) { - printk(KERN_DEBUG "teles_writebuf: channel not open\n"); - return -EIO; - } - - err = BufPoolGet(&ibh, st->l1.sbufpool, GFP_ATOMIC, st, 21); - if (err) - /* Must return 0 here, since this is not an error - * but a temporary lack of resources. - */ - return 0; - - ptr = DATAPTR(ibh); - if (chanp->lc_b.l2_establish) - i = st->l2.ihsize; - else - i = 0; - - if ((count+i) > BUFFER_SIZE(HSCX_SBUF_ORDER, HSCX_SBUF_BPPS)) { - printk(KERN_WARNING "teles_writebuf: packet too large!\n"); - return (-EINVAL); - } - - ptr += i; - - if (user) - copy_from_user(ptr, buf, count); - else - memcpy(ptr, buf, count); - ibh->datasize = count + i; - - if (chanp->data_open) { - if (chanp->lc_b.l2_establish) - chanp->ds.l3.l3l2(&chanp->ds, DL_DATA, ibh); - else - chanp->ds.l2.l2l1(&chanp->ds, PH_DATA, ibh); - return (count); - } else { - BufPoolRelease(ibh); - return (0); - } - -} |