diff options
Diffstat (limited to 'drivers/isdn/hisax/callc.c')
| -rw-r--r-- | drivers/isdn/hisax/callc.c | 1792 |
1 files changed, 0 insertions, 1792 deletions
diff --git a/drivers/isdn/hisax/callc.c b/drivers/isdn/hisax/callc.c deleted file mode 100644 index 9ee06328784c..000000000000 --- a/drivers/isdn/hisax/callc.c +++ /dev/null @@ -1,1792 +0,0 @@ -/* $Id: callc.c,v 2.59.2.4 2004/02/11 13:21:32 keil Exp $ - * - * Author Karsten Keil - * Copyright by Karsten Keil <keil@isdn4linux.de> - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - * For changes and modifications please read - * Documentation/isdn/HiSax.cert - * - * based on the teles driver from Jan den Ouden - * - * Thanks to Jan den Ouden - * Fritz Elfert - * - */ - -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/init.h> -#include "hisax.h" -#include <linux/isdn/capicmd.h> - -const char *lli_revision = "$Revision: 2.59.2.4 $"; - -extern struct IsdnCard cards[]; - -static int init_b_st(struct Channel *chanp, int incoming); -static void release_b_st(struct Channel *chanp); - -static struct Fsm callcfsm; -static int chancount; - -/* experimental REJECT after ALERTING for CALLBACK to beat the 4s delay */ -#define ALERT_REJECT 0 - -/* Value to delay the sending of the first B-channel packet after CONNECT - * here is no value given by ITU, but experience shows that 300 ms will - * work on many networks, if you or your other side is behind local exchanges - * a greater value may be recommented. If the delay is to short the first paket - * will be lost and autodetect on many comercial routers goes wrong ! - * You can adjust this value on runtime with - * hisaxctrl <id> 2 <value> - * value is in milliseconds - */ -#define DEFAULT_B_DELAY 300 - -/* Flags for remembering action done in lli */ - -#define FLG_START_B 0 - -/* - * Find card with given driverId - */ -static inline struct IsdnCardState * -hisax_findcard(int driverid) -{ - int i; - - for (i = 0; i < nrcards; i++) - if (cards[i].cs) - if (cards[i].cs->myid == driverid) - return (cards[i].cs); - return (struct IsdnCardState *) 0; -} - -static __printf(3, 4) void - link_debug(struct Channel *chanp, int direction, char *fmt, ...) -{ - va_list args; - char tmp[16]; - - va_start(args, fmt); - sprintf(tmp, "Ch%d %s ", chanp->chan, - direction ? "LL->HL" : "HL->LL"); - VHiSax_putstatus(chanp->cs, tmp, fmt, args); - va_end(args); -} - -enum { - ST_NULL, /* 0 inactive */ - ST_OUT_DIAL, /* 1 outgoing, SETUP send; awaiting confirm */ - ST_IN_WAIT_LL, /* 2 incoming call received; wait for LL confirm */ - ST_IN_ALERT_SENT, /* 3 incoming call received; ALERT send */ - ST_IN_WAIT_CONN_ACK, /* 4 incoming CONNECT send; awaiting CONN_ACK */ - ST_WAIT_BCONN, /* 5 CONNECT/CONN_ACK received, awaiting b-channel prot. estbl. */ - ST_ACTIVE, /* 6 active, b channel prot. established */ - ST_WAIT_BRELEASE, /* 7 call clear. (initiator), awaiting b channel prot. rel. */ - ST_WAIT_BREL_DISC, /* 8 call clear. (receiver), DISCONNECT req. received */ - ST_WAIT_DCOMMAND, /* 9 call clear. (receiver), awaiting DCHANNEL message */ - ST_WAIT_DRELEASE, /* 10 DISCONNECT sent, awaiting RELEASE */ - ST_WAIT_D_REL_CNF, /* 11 RELEASE sent, awaiting RELEASE confirm */ - ST_IN_PROCEED_SEND, /* 12 incoming call, proceeding send */ -}; - - -#define STATE_COUNT (ST_IN_PROCEED_SEND + 1) - -static char *strState[] = -{ - "ST_NULL", - "ST_OUT_DIAL", - "ST_IN_WAIT_LL", - "ST_IN_ALERT_SENT", - "ST_IN_WAIT_CONN_ACK", - "ST_WAIT_BCONN", - "ST_ACTIVE", - "ST_WAIT_BRELEASE", - "ST_WAIT_BREL_DISC", - "ST_WAIT_DCOMMAND", - "ST_WAIT_DRELEASE", - "ST_WAIT_D_REL_CNF", - "ST_IN_PROCEED_SEND", -}; - -enum { - EV_DIAL, /* 0 */ - EV_SETUP_CNF, /* 1 */ - EV_ACCEPTB, /* 2 */ - EV_DISCONNECT_IND, /* 3 */ - EV_RELEASE, /* 4 */ - EV_LEASED, /* 5 */ - EV_LEASED_REL, /* 6 */ - EV_SETUP_IND, /* 7 */ - EV_ACCEPTD, /* 8 */ - EV_SETUP_CMPL_IND, /* 9 */ - EV_BC_EST, /* 10 */ - EV_WRITEBUF, /* 11 */ - EV_HANGUP, /* 12 */ - EV_BC_REL, /* 13 */ - EV_CINF, /* 14 */ - EV_SUSPEND, /* 15 */ - EV_RESUME, /* 16 */ - EV_NOSETUP_RSP, /* 17 */ - EV_SETUP_ERR, /* 18 */ - EV_CONNECT_ERR, /* 19 */ - EV_PROCEED, /* 20 */ - EV_ALERT, /* 21 */ - EV_REDIR, /* 22 */ -}; - -#define EVENT_COUNT (EV_REDIR + 1) - -static char *strEvent[] = -{ - "EV_DIAL", - "EV_SETUP_CNF", - "EV_ACCEPTB", - "EV_DISCONNECT_IND", - "EV_RELEASE", - "EV_LEASED", - "EV_LEASED_REL", - "EV_SETUP_IND", - "EV_ACCEPTD", - "EV_SETUP_CMPL_IND", - "EV_BC_EST", - "EV_WRITEBUF", - "EV_HANGUP", - "EV_BC_REL", - "EV_CINF", - "EV_SUSPEND", - "EV_RESUME", - "EV_NOSETUP_RSP", - "EV_SETUP_ERR", - "EV_CONNECT_ERR", - "EV_PROCEED", - "EV_ALERT", - "EV_REDIR", -}; - - -static inline void -HL_LL(struct Channel *chanp, int command) -{ - isdn_ctrl ic; - - ic.driver = chanp->cs->myid; - ic.command = command; - ic.arg = chanp->chan; - chanp->cs->iif.statcallb(&ic); -} - -static inline void -lli_deliver_cause(struct Channel *chanp) -{ - isdn_ctrl ic; - - if (!chanp->proc) - return; - if (chanp->proc->para.cause == NO_CAUSE) - return; - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_CAUSE; - ic.arg = chanp->chan; - if (chanp->cs->protocol == ISDN_PTYPE_EURO) - sprintf(ic.parm.num, "E%02X%02X", chanp->proc->para.loc & 0x7f, - chanp->proc->para.cause & 0x7f); - else - sprintf(ic.parm.num, "%02X%02X", chanp->proc->para.loc & 0x7f, - chanp->proc->para.cause & 0x7f); - chanp->cs->iif.statcallb(&ic); -} - -static inline void -lli_close(struct FsmInst *fi) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_NULL); - chanp->Flags = 0; - chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); -} - -static void -lli_leased_in(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - int ret; - - if (!chanp->leased) - return; - chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); - FsmChangeState(fi, ST_IN_WAIT_LL); - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_ICALL_LEASED"); - ic.driver = chanp->cs->myid; - ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); - ic.arg = chanp->chan; - ic.parm.setup.si1 = 7; - ic.parm.setup.si2 = 0; - ic.parm.setup.plan = 0; - ic.parm.setup.screen = 0; - sprintf(ic.parm.setup.eazmsn, "%d", chanp->chan + 1); - sprintf(ic.parm.setup.phone, "LEASED%d", chanp->cs->myid); - ret = chanp->cs->iif.statcallb(&ic); - if (chanp->debug & 1) - link_debug(chanp, 1, "statcallb ret=%d", ret); - if (!ret) { - chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); - FsmChangeState(fi, ST_NULL); - } -} - - -/* - * Dial out - */ -static void -lli_init_bchan_out(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_WAIT_BCONN); - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DCONN"); - HL_LL(chanp, ISDN_STAT_DCONN); - init_b_st(chanp, 0); - chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); -} - -static void -lli_prep_dialout(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmDelTimer(&chanp->drel_timer, 60); - FsmDelTimer(&chanp->dial_timer, 73); - chanp->l2_active_protocol = chanp->l2_protocol; - chanp->incoming = 0; - chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); - if (chanp->leased) { - lli_init_bchan_out(fi, event, arg); - } else { - FsmChangeState(fi, ST_OUT_DIAL); - chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | REQUEST, chanp); - } -} - -static void -lli_resume(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmDelTimer(&chanp->drel_timer, 60); - FsmDelTimer(&chanp->dial_timer, 73); - chanp->l2_active_protocol = chanp->l2_protocol; - chanp->incoming = 0; - chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); - if (chanp->leased) { - lli_init_bchan_out(fi, event, arg); - } else { - FsmChangeState(fi, ST_OUT_DIAL); - chanp->d_st->lli.l4l3(chanp->d_st, CC_RESUME | REQUEST, chanp); - } -} - -static void -lli_go_active(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->bcs->conmsg) - strcpy(ic.parm.num, chanp->bcs->conmsg); - else - ic.parm.num[0] = 0; - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BCONN %s", ic.parm.num); - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_BCONN; - ic.arg = chanp->chan; - chanp->cs->iif.statcallb(&ic); - chanp->cs->cardmsg(chanp->cs, MDL_INFO_CONN, (void *) (long)chanp->chan); -} - - -/* - * RESUME - */ - -/* incoming call */ - -static void -lli_deliver_call(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - int ret; - - chanp->cs->cardmsg(chanp->cs, MDL_INFO_SETUP, (void *) (long)chanp->chan); - /* - * Report incoming calls only once to linklevel, use CallFlags - * which is set to 3 with each broadcast message in isdnl1.c - * and resetted if a interface answered the STAT_ICALL. - */ - if (1) { /* for only one TEI */ - FsmChangeState(fi, ST_IN_WAIT_LL); - if (chanp->debug & 1) - link_debug(chanp, 0, (chanp->chan < 2) ? "STAT_ICALL" : "STAT_ICALLW"); - ic.driver = chanp->cs->myid; - ic.command = ((chanp->chan < 2) ? ISDN_STAT_ICALL : ISDN_STAT_ICALLW); - - ic.arg = chanp->chan; - /* - * No need to return "unknown" for calls without OAD, - * cause that's handled in linklevel now (replaced by '0') - */ - memcpy(&ic.parm.setup, &chanp->proc->para.setup, sizeof(setup_parm)); - ret = chanp->cs->iif.statcallb(&ic); - if (chanp->debug & 1) - link_debug(chanp, 1, "statcallb ret=%d", ret); - - switch (ret) { - case 1: /* OK, someone likes this call */ - FsmDelTimer(&chanp->drel_timer, 61); - FsmChangeState(fi, ST_IN_ALERT_SENT); - chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); - break; - case 5: /* direct redirect */ - case 4: /* Proceeding desired */ - FsmDelTimer(&chanp->drel_timer, 61); - FsmChangeState(fi, ST_IN_PROCEED_SEND); - chanp->d_st->lli.l4l3(chanp->d_st, CC_PROCEED_SEND | REQUEST, chanp->proc); - if (ret == 5) { - memcpy(&chanp->setup, &ic.parm.setup, sizeof(setup_parm)); - chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); - } - break; - case 2: /* Rejecting Call */ - break; - case 3: /* incomplete number */ - FsmDelTimer(&chanp->drel_timer, 61); - chanp->d_st->lli.l4l3(chanp->d_st, CC_MORE_INFO | REQUEST, chanp->proc); - break; - case 0: /* OK, nobody likes this call */ - default: /* statcallb problems */ - chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); - chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); - FsmChangeState(fi, ST_NULL); - break; - } - } else { - chanp->d_st->lli.l4l3(chanp->d_st, CC_IGNORE | REQUEST, chanp->proc); - chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); - } -} - -static void -lli_send_dconnect(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); - chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); -} - -static void -lli_send_alert(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_IN_ALERT_SENT); - chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); -} - -static void -lli_send_redir(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->d_st->lli.l4l3(chanp->d_st, CC_REDIR | REQUEST, chanp->proc); -} - -static void -lli_init_bchan_in(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_WAIT_BCONN); - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DCONN"); - HL_LL(chanp, ISDN_STAT_DCONN); - chanp->l2_active_protocol = chanp->l2_protocol; - chanp->incoming = !0; - init_b_st(chanp, !0); - chanp->b_st->lli.l4l3(chanp->b_st, DL_ESTABLISH | REQUEST, NULL); -} - -static void -lli_setup_rsp(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_init_bchan_in(fi, event, arg); - } else { - FsmChangeState(fi, ST_IN_WAIT_CONN_ACK); -#ifdef WANT_ALERT - chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); -#endif - chanp->d_st->lli.l4l3(chanp->d_st, CC_SETUP | RESPONSE, chanp->proc); - } -} - -/* Call suspend */ - -static void -lli_suspend(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->d_st->lli.l4l3(chanp->d_st, CC_SUSPEND | REQUEST, chanp->proc); -} - -/* Call clearing */ - -static void -lli_leased_hup(struct FsmInst *fi, struct Channel *chanp) -{ - isdn_ctrl ic; - - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_CAUSE; - ic.arg = chanp->chan; - sprintf(ic.parm.num, "L0010"); - chanp->cs->iif.statcallb(&ic); - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DHUP"); - HL_LL(chanp, ISDN_STAT_DHUP); - lli_close(fi); -} - -static void -lli_disconnect_req(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - } else { - FsmChangeState(fi, ST_WAIT_DRELEASE); - if (chanp->proc) - chanp->proc->para.cause = 0x10; /* Normal Call Clearing */ - chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, - chanp->proc); - } -} - -static void -lli_disconnect_reject(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - } else { - FsmChangeState(fi, ST_WAIT_DRELEASE); - if (chanp->proc) - chanp->proc->para.cause = 0x15; /* Call Rejected */ - chanp->d_st->lli.l4l3(chanp->d_st, CC_DISCONNECT | REQUEST, - chanp->proc); - } -} - -static void -lli_dhup_close(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - } else { - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DHUP"); - lli_deliver_cause(chanp); - HL_LL(chanp, ISDN_STAT_DHUP); - lli_close(fi); - } -} - -static void -lli_reject_req(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - return; - } -#ifndef ALERT_REJECT - if (chanp->proc) - chanp->proc->para.cause = 0x15; /* Call Rejected */ - chanp->d_st->lli.l4l3(chanp->d_st, CC_REJECT | REQUEST, chanp->proc); - lli_dhup_close(fi, event, arg); -#else - FsmRestartTimer(&chanp->drel_timer, 40, EV_HANGUP, NULL, 63); - FsmChangeState(fi, ST_IN_ALERT_SENT); - chanp->d_st->lli.l4l3(chanp->d_st, CC_ALERTING | REQUEST, chanp->proc); -#endif -} - -static void -lli_disconn_bchan(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - FsmChangeState(fi, ST_WAIT_BRELEASE); - chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); -} - -static void -lli_start_disc(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - } else { - lli_disconnect_req(fi, event, arg); - } -} - -static void -lli_rel_b_disc(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_b_st(chanp); - lli_start_disc(fi, event, arg); -} - -static void -lli_bhup_disc(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BHUP"); - HL_LL(chanp, ISDN_STAT_BHUP); - lli_rel_b_disc(fi, event, arg); -} - -static void -lli_bhup_rel_b(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - FsmChangeState(fi, ST_WAIT_DCOMMAND); - chanp->data_open = 0; - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BHUP"); - HL_LL(chanp, ISDN_STAT_BHUP); - release_b_st(chanp); -} - -static void -lli_release_bchan(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - FsmChangeState(fi, ST_WAIT_BREL_DISC); - chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); -} - - -static void -lli_rel_b_dhup(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_b_st(chanp); - lli_dhup_close(fi, event, arg); -} - -static void -lli_bhup_dhup(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BHUP"); - HL_LL(chanp, ISDN_STAT_BHUP); - lli_rel_b_dhup(fi, event, arg); -} - -static void -lli_abort(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); - lli_bhup_dhup(fi, event, arg); -} - -static void -lli_release_req(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->leased) { - lli_leased_hup(fi, chanp); - } else { - FsmChangeState(fi, ST_WAIT_D_REL_CNF); - chanp->d_st->lli.l4l3(chanp->d_st, CC_RELEASE | REQUEST, - chanp->proc); - } -} - -static void -lli_rel_b_release_req(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_b_st(chanp); - lli_release_req(fi, event, arg); -} - -static void -lli_bhup_release_req(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BHUP"); - HL_LL(chanp, ISDN_STAT_BHUP); - lli_rel_b_release_req(fi, event, arg); -} - - -/* processing charge info */ -static void -lli_charge_info(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_CINF; - ic.arg = chanp->chan; - sprintf(ic.parm.num, "%d", chanp->proc->para.chargeinfo); - chanp->cs->iif.statcallb(&ic); -} - -/* error procedures */ - -static void -lli_dchan_not_ready(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DHUP"); - HL_LL(chanp, ISDN_STAT_DHUP); -} - -static void -lli_no_setup_rsp(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_DHUP"); - HL_LL(chanp, ISDN_STAT_DHUP); - lli_close(fi); -} - -static void -lli_error(struct FsmInst *fi, int event, void *arg) -{ - FsmChangeState(fi, ST_WAIT_DRELEASE); -} - -static void -lli_failure_l(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - isdn_ctrl ic; - - FsmChangeState(fi, ST_NULL); - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_CAUSE; - ic.arg = chanp->chan; - sprintf(ic.parm.num, "L%02X%02X", 0, 0x2f); - chanp->cs->iif.statcallb(&ic); - HL_LL(chanp, ISDN_STAT_DHUP); - chanp->Flags = 0; - chanp->cs->cardmsg(chanp->cs, MDL_INFO_REL, (void *) (long)chanp->chan); -} - -static void -lli_rel_b_fail(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - release_b_st(chanp); - lli_failure_l(fi, event, arg); -} - -static void -lli_bhup_fail(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - if (chanp->debug & 1) - link_debug(chanp, 0, "STAT_BHUP"); - HL_LL(chanp, ISDN_STAT_BHUP); - lli_rel_b_fail(fi, event, arg); -} - -static void -lli_failure_a(struct FsmInst *fi, int event, void *arg) -{ - struct Channel *chanp = fi->userdata; - - chanp->data_open = 0; - chanp->b_st->lli.l4l3(chanp->b_st, DL_RELEASE | REQUEST, NULL); - lli_bhup_fail(fi, event, arg); -} - -/* *INDENT-OFF* */ -static struct FsmNode fnlist[] __initdata = -{ - {ST_NULL, EV_DIAL, lli_prep_dialout}, - {ST_NULL, EV_RESUME, lli_resume}, - {ST_NULL, EV_SETUP_IND, lli_deliver_call}, - {ST_NULL, EV_LEASED, lli_leased_in}, - {ST_OUT_DIAL, EV_SETUP_CNF, lli_init_bchan_out}, - {ST_OUT_DIAL, EV_HANGUP, lli_disconnect_req}, - {ST_OUT_DIAL, EV_DISCONNECT_IND, lli_release_req}, - {ST_OUT_DIAL, EV_RELEASE, lli_dhup_close}, - {ST_OUT_DIAL, EV_NOSETUP_RSP, lli_no_setup_rsp}, - {ST_OUT_DIAL, EV_SETUP_ERR, lli_error}, - {ST_IN_WAIT_LL, EV_LEASED_REL, lli_failure_l}, - {ST_IN_WAIT_LL, EV_ACCEPTD, lli_setup_rsp}, - {ST_IN_WAIT_LL, EV_HANGUP, lli_reject_req}, - {ST_IN_WAIT_LL, EV_DISCONNECT_IND, lli_release_req}, - {ST_IN_WAIT_LL, EV_RELEASE, lli_dhup_close}, - {ST_IN_WAIT_LL, EV_SETUP_IND, lli_deliver_call}, - {ST_IN_WAIT_LL, EV_SETUP_ERR, lli_error}, - {ST_IN_ALERT_SENT, EV_SETUP_CMPL_IND, lli_init_bchan_in}, - {ST_IN_ALERT_SENT, EV_ACCEPTD, lli_send_dconnect}, - {ST_IN_ALERT_SENT, EV_HANGUP, lli_disconnect_reject}, - {ST_IN_ALERT_SENT, EV_DISCONNECT_IND, lli_release_req}, - {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, - {ST_IN_ALERT_SENT, EV_REDIR, lli_send_redir}, - {ST_IN_PROCEED_SEND, EV_REDIR, lli_send_redir}, - {ST_IN_PROCEED_SEND, EV_ALERT, lli_send_alert}, - {ST_IN_PROCEED_SEND, EV_ACCEPTD, lli_send_dconnect}, - {ST_IN_PROCEED_SEND, EV_HANGUP, lli_disconnect_reject}, - {ST_IN_PROCEED_SEND, EV_DISCONNECT_IND, lli_dhup_close}, - {ST_IN_ALERT_SENT, EV_RELEASE, lli_dhup_close}, - {ST_IN_WAIT_CONN_ACK, EV_SETUP_CMPL_IND, lli_init_bchan_in}, - {ST_IN_WAIT_CONN_ACK, EV_HANGUP, lli_disconnect_req}, - {ST_IN_WAIT_CONN_ACK, EV_DISCONNECT_IND, lli_release_req}, - {ST_IN_WAIT_CONN_ACK, EV_RELEASE, lli_dhup_close}, - {ST_IN_WAIT_CONN_ACK, EV_CONNECT_ERR, lli_error}, - {ST_WAIT_BCONN, EV_BC_EST, lli_go_active}, - {ST_WAIT_BCONN, EV_BC_REL, lli_rel_b_disc}, - {ST_WAIT_BCONN, EV_HANGUP, lli_rel_b_disc}, - {ST_WAIT_BCONN, EV_DISCONNECT_IND, lli_rel_b_release_req}, - {ST_WAIT_BCONN, EV_RELEASE, lli_rel_b_dhup}, - {ST_WAIT_BCONN, EV_LEASED_REL, lli_rel_b_fail}, - {ST_WAIT_BCONN, EV_CINF, lli_charge_info}, - {ST_ACTIVE, EV_CINF, lli_charge_info}, - {ST_ACTIVE, EV_BC_REL, lli_bhup_rel_b}, - {ST_ACTIVE, EV_SUSPEND, lli_suspend}, - {ST_ACTIVE, EV_HANGUP, lli_disconn_bchan}, - {ST_ACTIVE, EV_DISCONNECT_IND, lli_release_bchan}, - {ST_ACTIVE, EV_RELEASE, lli_abort}, - {ST_ACTIVE, EV_LEASED_REL, lli_failure_a}, - {ST_WAIT_BRELEASE, EV_BC_REL, lli_bhup_disc}, - {ST_WAIT_BRELEASE, EV_DISCONNECT_IND, lli_bhup_release_req}, - {ST_WAIT_BRELEASE, EV_RELEASE, lli_bhup_dhup}, - {ST_WAIT_BRELEASE, EV_LEASED_REL, lli_bhup_fail}, - {ST_WAIT_BREL_DISC, EV_BC_REL, lli_bhup_release_req}, - {ST_WAIT_BREL_DISC, EV_RELEASE, lli_bhup_dhup}, - {ST_WAIT_DCOMMAND, EV_HANGUP, lli_start_disc}, - {ST_WAIT_DCOMMAND, EV_DISCONNECT_IND, lli_release_req}, - {ST_WAIT_DCOMMAND, EV_RELEASE, lli_dhup_close}, - {ST_WAIT_DCOMMAND, EV_LEASED_REL, lli_failure_l}, - {ST_WAIT_DRELEASE, EV_RELEASE, lli_dhup_close}, - {ST_WAIT_DRELEASE, EV_DIAL, lli_dchan_not_ready}, - /* ETS 300-104 16.1 */ - {ST_WAIT_D_REL_CNF, EV_RELEASE, lli_dhup_close}, - {ST_WAIT_D_REL_CNF, EV_DIAL, lli_dchan_not_ready}, -}; -/* *INDENT-ON* */ - -int __init -CallcNew(void) -{ - callcfsm.state_count = STATE_COUNT; - callcfsm.event_count = EVENT_COUNT; - callcfsm.strEvent = strEvent; - callcfsm.strState = strState; - return FsmNew(&callcfsm, fnlist, ARRAY_SIZE(fnlist)); -} - -void -CallcFree(void) -{ - FsmFree(&callcfsm); -} - -static void -release_b_st(struct Channel *chanp) -{ - struct PStack *st = chanp->b_st; - - if (test_and_clear_bit(FLG_START_B, &chanp->Flags)) { - chanp->bcs->BC_Close(chanp->bcs); - switch (chanp->l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - releasestack_isdnl2(st); - break; - case (ISDN_PROTO_L2_HDLC): - case (ISDN_PROTO_L2_HDLC_56K): - case (ISDN_PROTO_L2_TRANS): - case (ISDN_PROTO_L2_MODEM): - case (ISDN_PROTO_L2_FAX): - releasestack_transl2(st); - break; - } - } -} - -static struct Channel -*selectfreechannel(struct PStack *st, int bch) -{ - struct IsdnCardState *cs = st->l1.hardware; - struct Channel *chanp = st->lli.userdata; - int i; - - if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) - i = 1; - else - i = 0; - - if (!bch) { - i = 2; /* virtual channel */ - chanp += 2; - } - - while (i < ((bch) ? cs->chanlimit : (2 + MAX_WAITING_CALLS))) { - if (chanp->fi.state == ST_NULL) - return (chanp); - chanp++; - i++; - } - - if (bch) /* number of channels is limited */ { - i = 2; /* virtual channel */ - chanp = st->lli.userdata; - chanp += i; - while (i < (2 + MAX_WAITING_CALLS)) { - if (chanp->fi.state == ST_NULL) - return (chanp); - chanp++; - i++; - } - } - return (NULL); -} - -static void stat_redir_result(struct IsdnCardState *cs, int chan, ulong result) -{ isdn_ctrl ic; - - ic.driver = cs->myid; - ic.command = ISDN_STAT_REDIR; - ic.arg = chan; - ic.parm.num[0] = result; - cs->iif.statcallb(&ic); -} /* stat_redir_result */ - -static void -dchan_l3l4(struct PStack *st, int pr, void *arg) -{ - struct l3_process *pc = arg; - struct IsdnCardState *cs = st->l1.hardware; - struct Channel *chanp; - - if (!pc) - return; - - if (pr == (CC_SETUP | INDICATION)) { - if (!(chanp = selectfreechannel(pc->st, pc->para.bchannel))) { - pc->para.cause = 0x11; /* User busy */ - pc->st->lli.l4l3(pc->st, CC_REJECT | REQUEST, pc); - } else { - chanp->proc = pc; - pc->chan = chanp; - FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); - } - return; - } - if (!(chanp = pc->chan)) - return; - - switch (pr) { - case (CC_MORE_INFO | INDICATION): - FsmEvent(&chanp->fi, EV_SETUP_IND, NULL); - break; - case (CC_DISCONNECT | INDICATION): - FsmEvent(&chanp->fi, EV_DISCONNECT_IND, NULL); - break; - case (CC_RELEASE | CONFIRM): - FsmEvent(&chanp->fi, EV_RELEASE, NULL); - break; - case (CC_SUSPEND | CONFIRM): - FsmEvent(&chanp->fi, EV_RELEASE, NULL); - break; - case (CC_RESUME | CONFIRM): - FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); - break; - case (CC_RESUME_ERR): - FsmEvent(&chanp->fi, EV_RELEASE, NULL); - break; - case (CC_RELEASE | INDICATION): - FsmEvent(&chanp->fi, EV_RELEASE, NULL); - break; - case (CC_SETUP_COMPL | INDICATION): - FsmEvent(&chanp->fi, EV_SETUP_CMPL_IND, NULL); - break; - case (CC_SETUP | CONFIRM): - FsmEvent(&chanp->fi, EV_SETUP_CNF, NULL); - break; - case (CC_CHARGE | INDICATION): - FsmEvent(&chanp->fi, EV_CINF, NULL); - break; - case (CC_NOSETUP_RSP): - FsmEvent(&chanp->fi, EV_NOSETUP_RSP, NULL); - break; - case (CC_SETUP_ERR): - FsmEvent(&chanp->fi, EV_SETUP_ERR, NULL); - break; - case (CC_CONNECT_ERR): - FsmEvent(&chanp->fi, EV_CONNECT_ERR, NULL); - break; - case (CC_RELEASE_ERR): - FsmEvent(&chanp->fi, EV_RELEASE, NULL); - break; - case (CC_PROCEED_SEND | INDICATION): - case (CC_PROCEEDING | INDICATION): - case (CC_ALERTING | INDICATION): - case (CC_PROGRESS | INDICATION): - case (CC_NOTIFY | INDICATION): - break; - case (CC_REDIR | INDICATION): - stat_redir_result(cs, chanp->chan, pc->redir_result); - break; - default: - if (chanp->debug & 0x800) { - HiSax_putstatus(chanp->cs, "Ch", - "%d L3->L4 unknown primitiv %#x", - chanp->chan, pr); - } - } -} - -static void -dummy_pstack(struct PStack *st, int pr, void *arg) { - printk(KERN_WARNING"call to dummy_pstack pr=%04x arg %lx\n", pr, (long)arg); -} - -static int -init_PStack(struct PStack **stp) { - *stp = kmalloc(sizeof(struct PStack), GFP_KERNEL); - if (!*stp) - return -ENOMEM; - (*stp)->next = NULL; - (*stp)->l1.l1l2 = dummy_pstack; - (*stp)->l1.l1hw = dummy_pstack; - (*stp)->l1.l1tei = dummy_pstack; - (*stp)->l2.l2tei = dummy_pstack; - (*stp)->l2.l2l1 = dummy_pstack; - (*stp)->l2.l2l3 = dummy_pstack; - (*stp)->l3.l3l2 = dummy_pstack; - (*stp)->l3.l3ml3 = dummy_pstack; - (*stp)->l3.l3l4 = dummy_pstack; - (*stp)->lli.l4l3 = dummy_pstack; - (*stp)->ma.layer = dummy_pstack; - return 0; -} - -static int -init_d_st(struct Channel *chanp) -{ - struct PStack *st; - struct IsdnCardState *cs = chanp->cs; - char tmp[16]; - int err; - - err = init_PStack(&chanp->d_st); - if (err) - return err; - st = chanp->d_st; - st->next = NULL; - HiSax_addlist(cs, st); - setstack_HiSax(st, cs); - st->l2.sap = 0; - st->l2.tei = -1; - st->l2.flag = 0; - test_and_set_bit(FLG_MOD128, &st->l2.flag); - test_and_set_bit(FLG_LAPD, &st->l2.flag); - test_and_set_bit(FLG_ORIG, &st->l2.flag); - st->l2.maxlen = MAX_DFRAME_LEN; - st->l2.window = 1; - st->l2.T200 = 1000; /* 1000 milliseconds */ - st->l2.N200 = 3; /* try 3 times */ - st->l2.T203 = 10000; /* 10000 milliseconds */ - if (test_bit(FLG_TWO_DCHAN, &cs->HW_Flags)) - sprintf(tmp, "DCh%d Q.921 ", chanp->chan); - else - sprintf(tmp, "DCh Q.921 "); - setstack_isdnl2(st, tmp); - setstack_l3dc(st, chanp); - st->lli.userdata = chanp; - st->l3.l3l4 = dchan_l3l4; - - return 0; -} - -static __printf(2, 3) void - callc_debug(struct FsmInst *fi, char *fmt, ...) -{ - va_list args; - struct Channel *chanp = fi->userdata; - char tmp[16]; - - va_start(args, fmt); - sprintf(tmp, "Ch%d callc ", chanp->chan); - VHiSax_putstatus(chanp->cs, tmp, fmt, args); - va_end(args); -} - -static int -init_chan(int chan, struct IsdnCardState *csta) -{ - struct Channel *chanp = csta->channel + chan; - int err; - - chanp->cs = csta; - chanp->bcs = csta->bcs + chan; - chanp->chan = chan; - chanp->incoming = 0; - chanp->debug = 0; - chanp->Flags = 0; - chanp->leased = 0; - err = init_PStack(&chanp->b_st); - if (err) - return err; - chanp->b_st->l1.delay = DEFAULT_B_DELAY; - chanp->fi.fsm = &callcfsm; - chanp->fi.state = ST_NULL; - chanp->fi.debug = 0; - chanp->fi.userdata = chanp; - chanp->fi.printdebug = callc_debug; - FsmInitTimer(&chanp->fi, &chanp->dial_timer); - FsmInitTimer(&chanp->fi, &chanp->drel_timer); - if (!chan || (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags) && chan < 2)) { - err = init_d_st(chanp); - if (err) - return err; - } else { - chanp->d_st = csta->channel->d_st; - } - chanp->data_open = 0; - return 0; -} - -int -CallcNewChan(struct IsdnCardState *csta) { - int i, err; - - chancount += 2; - err = init_chan(0, csta); - if (err) - return err; - err = init_chan(1, csta); - if (err) - return err; - printk(KERN_INFO "HiSax: 2 channels added\n"); - - for (i = 0; i < MAX_WAITING_CALLS; i++) { - err = init_chan(i + 2, csta); - if (err) - return err; - } - printk(KERN_INFO "HiSax: MAX_WAITING_CALLS added\n"); - if (test_bit(FLG_PTP, &csta->channel->d_st->l2.flag)) { - printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); - csta->channel->d_st->lli.l4l3(csta->channel->d_st, - DL_ESTABLISH | REQUEST, NULL); - } - return (0); -} - -static void -release_d_st(struct Channel *chanp) -{ - struct PStack *st = chanp->d_st; - - if (!st) - return; - releasestack_isdnl2(st); - releasestack_isdnl3(st); - HiSax_rmlist(st->l1.hardware, st); - kfree(st); - chanp->d_st = NULL; -} - -void -CallcFreeChan(struct IsdnCardState *csta) -{ - int i; - - for (i = 0; i < 2; i++) { - FsmDelTimer(&csta->channel[i].drel_timer, 74); - FsmDelTimer(&csta->channel[i].dial_timer, 75); - if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) - release_d_st(csta->channel + i); - if (csta->channel[i].b_st) { - release_b_st(csta->channel + i); - kfree(csta->channel[i].b_st); - csta->channel[i].b_st = NULL; - } else - printk(KERN_WARNING "CallcFreeChan b_st ch%d already freed\n", i); - if (i || test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { - release_d_st(csta->channel + i); - } else - csta->channel[i].d_st = NULL; - } -} - -static void -lldata_handler(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->lli.userdata; - struct sk_buff *skb = arg; - - switch (pr) { - case (DL_DATA | INDICATION): - if (chanp->data_open) { - if (chanp->debug & 0x800) - link_debug(chanp, 0, "lldata: %d", skb->len); - chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); - } else { - link_debug(chanp, 0, "lldata: channel not open"); - dev_kfree_skb(skb); - } - break; - case (DL_ESTABLISH | INDICATION): - case (DL_ESTABLISH | CONFIRM): - FsmEvent(&chanp->fi, EV_BC_EST, NULL); - break; - case (DL_RELEASE | INDICATION): - case (DL_RELEASE | CONFIRM): - FsmEvent(&chanp->fi, EV_BC_REL, NULL); - break; - default: - printk(KERN_WARNING "lldata_handler unknown primitive %#x\n", - pr); - break; - } -} - -static void -lltrans_handler(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->lli.userdata; - struct sk_buff *skb = arg; - - switch (pr) { - case (PH_DATA | INDICATION): - if (chanp->data_open) { - if (chanp->debug & 0x800) - link_debug(chanp, 0, "lltrans: %d", skb->len); - chanp->cs->iif.rcvcallb_skb(chanp->cs->myid, chanp->chan, skb); - } else { - link_debug(chanp, 0, "lltrans: channel not open"); - dev_kfree_skb(skb); - } - break; - case (PH_ACTIVATE | INDICATION): - case (PH_ACTIVATE | CONFIRM): - FsmEvent(&chanp->fi, EV_BC_EST, NULL); - break; - case (PH_DEACTIVATE | INDICATION): - case (PH_DEACTIVATE | CONFIRM): - FsmEvent(&chanp->fi, EV_BC_REL, NULL); - break; - default: - printk(KERN_WARNING "lltrans_handler unknown primitive %#x\n", - pr); - break; - } -} - -void -lli_writewakeup(struct PStack *st, int len) -{ - struct Channel *chanp = st->lli.userdata; - isdn_ctrl ic; - - if (chanp->debug & 0x800) - link_debug(chanp, 0, "llwakeup: %d", len); - ic.driver = chanp->cs->myid; - ic.command = ISDN_STAT_BSENT; - ic.arg = chanp->chan; - ic.parm.length = len; - chanp->cs->iif.statcallb(&ic); -} - -static int -init_b_st(struct Channel *chanp, int incoming) -{ - struct PStack *st = chanp->b_st; - struct IsdnCardState *cs = chanp->cs; - char tmp[16]; - - st->l1.hardware = cs; - if (chanp->leased) - st->l1.bc = chanp->chan & 1; - else - st->l1.bc = chanp->proc->para.bchannel - 1; - switch (chanp->l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - case (ISDN_PROTO_L2_HDLC): - st->l1.mode = L1_MODE_HDLC; - break; - case (ISDN_PROTO_L2_HDLC_56K): - st->l1.mode = L1_MODE_HDLC_56K; - break; - case (ISDN_PROTO_L2_TRANS): - st->l1.mode = L1_MODE_TRANS; - break; - case (ISDN_PROTO_L2_MODEM): - st->l1.mode = L1_MODE_V32; - break; - case (ISDN_PROTO_L2_FAX): - st->l1.mode = L1_MODE_FAX; - break; - } - chanp->bcs->conmsg = NULL; - if (chanp->bcs->BC_SetStack(st, chanp->bcs)) - return (-1); - st->l2.flag = 0; - test_and_set_bit(FLG_LAPB, &st->l2.flag); - st->l2.maxlen = MAX_DATA_SIZE; - if (!incoming) - test_and_set_bit(FLG_ORIG, &st->l2.flag); - st->l2.T200 = 1000; /* 1000 milliseconds */ - st->l2.window = 7; - st->l2.N200 = 4; /* try 4 times */ - st->l2.T203 = 5000; /* 5000 milliseconds */ - st->l3.debug = 0; - switch (chanp->l2_active_protocol) { - case (ISDN_PROTO_L2_X75I): - sprintf(tmp, "Ch%d X.75", chanp->chan); - setstack_isdnl2(st, tmp); - setstack_l3bc(st, chanp); - st->l2.l2l3 = lldata_handler; - st->lli.userdata = chanp; - test_and_clear_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); - test_and_set_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); - st->l2.l2m.debug = chanp->debug & 16; - st->l2.debug = chanp->debug & 64; - break; - case (ISDN_PROTO_L2_HDLC): - case (ISDN_PROTO_L2_HDLC_56K): - case (ISDN_PROTO_L2_TRANS): - case (ISDN_PROTO_L2_MODEM): - case (ISDN_PROTO_L2_FAX): - st->l1.l1l2 = lltrans_handler; - st->lli.userdata = chanp; - test_and_set_bit(FLG_LLI_L1WAKEUP, &st->lli.flag); - test_and_clear_bit(FLG_LLI_L2WAKEUP, &st->lli.flag); - setstack_transl2(st); - setstack_l3bc(st, chanp); - break; - } - test_and_set_bit(FLG_START_B, &chanp->Flags); - return (0); -} - -static void -leased_l4l3(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->lli.userdata; - struct sk_buff *skb = arg; - - switch (pr) { - case (DL_DATA | REQUEST): - link_debug(chanp, 0, "leased line d-channel DATA"); - dev_kfree_skb(skb); - break; - case (DL_ESTABLISH | REQUEST): - st->l2.l2l1(st, PH_ACTIVATE | REQUEST, NULL); - break; - case (DL_RELEASE | REQUEST): - break; - default: - printk(KERN_WARNING "transd_l4l3 unknown primitive %#x\n", - pr); - break; - } -} - -static void -leased_l1l2(struct PStack *st, int pr, void *arg) -{ - struct Channel *chanp = (struct Channel *) st->lli.userdata; - struct sk_buff *skb = arg; - int i, event = EV_LEASED_REL; - - switch (pr) { - case (PH_DATA | INDICATION): - link_debug(chanp, 0, "leased line d-channel DATA"); - dev_kfree_skb(skb); - break; - case (PH_ACTIVATE | INDICATION): - case (PH_ACTIVATE | CONFIRM): - event = EV_LEASED; - /* fall through */ - case (PH_DEACTIVATE | INDICATION): - case (PH_DEACTIVATE | CONFIRM): - if (test_bit(FLG_TWO_DCHAN, &chanp->cs->HW_Flags)) - i = 1; - else - i = 0; - while (i < 2) { - FsmEvent(&chanp->fi, event, NULL); - chanp++; - i++; - } - break; - default: - printk(KERN_WARNING - "transd_l1l2 unknown primitive %#x\n", pr); - break; - } -} - -static void -distr_debug(struct IsdnCardState *csta, int debugflags) -{ - int i; - struct Channel *chanp = csta->channel; - - for (i = 0; i < (2 + MAX_WAITING_CALLS); i++) { - chanp[i].debug = debugflags; - chanp[i].fi.debug = debugflags & 2; - chanp[i].d_st->l2.l2m.debug = debugflags & 8; - chanp[i].b_st->l2.l2m.debug = debugflags & 0x10; - chanp[i].d_st->l2.debug = debugflags & 0x20; - chanp[i].b_st->l2.debug = debugflags & 0x40; - chanp[i].d_st->l3.l3m.debug = debugflags & 0x80; - chanp[i].b_st->l3.l3m.debug = debugflags & 0x100; - chanp[i].b_st->ma.tei_m.debug = debugflags & 0x200; - chanp[i].b_st->ma.debug = debugflags & 0x200; - chanp[i].d_st->l1.l1m.debug = debugflags & 0x1000; - chanp[i].b_st->l1.l1m.debug = debugflags & 0x2000; - } - if (debugflags & 4) - csta->debug |= DEB_DLOG_HEX; - else - csta->debug &= ~DEB_DLOG_HEX; -} - -static char tmpbuf[256]; - -static void -capi_debug(struct Channel *chanp, capi_msg *cm) -{ - char *t = tmpbuf; - - t += QuickHex(t, (u_char *)cm, (cm->Length > 50) ? 50 : cm->Length); - t--; - *t = 0; - HiSax_putstatus(chanp->cs, "Ch", "%d CAPIMSG %s", chanp->chan, tmpbuf); -} - -static void -lli_got_fac_req(struct Channel *chanp, capi_msg *cm) { - if ((cm->para[0] != 3) || (cm->para[1] != 0)) - return; - if (cm->para[2] < 3) - return; - if (cm->para[4] != 0) - return; - switch (cm->para[3]) { - case 4: /* Suspend */ - strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] + 1); - FsmEvent(&chanp->fi, EV_SUSPEND, cm); - break; - case 5: /* Resume */ - strncpy(chanp->setup.phone, &cm->para[5], cm->para[5] + 1); - if (chanp->fi.state == ST_NULL) { - FsmEvent(&chanp->fi, EV_RESUME, cm); - } else { - FsmDelTimer(&chanp->dial_timer, 72); - FsmAddTimer(&chanp->dial_timer, 80, EV_RESUME, cm, 73); - } - break; - } -} - -static void -lli_got_manufacturer(struct Channel *chanp, struct IsdnCardState *cs, capi_msg *cm) { - if ((cs->typ == ISDN_CTYPE_ELSA) || (cs->typ == ISDN_CTYPE_ELSA_PNP) || - (cs->typ == ISDN_CTYPE_ELSA_PCI)) { - if (cs->hw.elsa.MFlag) { - cs->cardmsg(cs, CARD_AUX_IND, cm->para); - } - } -} - - -/***************************************************************/ -/* Limit the available number of channels for the current card */ -/***************************************************************/ -static int -set_channel_limit(struct IsdnCardState *cs, int chanmax) -{ - isdn_ctrl ic; - int i, ii; - - if ((chanmax < 0) || (chanmax > 2)) - return (-EINVAL); - cs->chanlimit = 0; - for (ii = 0; ii < 2; ii++) { - ic.driver = cs->myid; - ic.command = ISDN_STAT_DISCH; - ic.arg = ii; - if (ii >= chanmax) - ic.parm.num[0] = 0; /* disabled */ - else - ic.parm.num[0] = 1; /* enabled */ - i = cs->iif.statcallb(&ic); - if (i) return (-EINVAL); - if (ii < chanmax) - cs->chanlimit++; - } - return (0); -} /* set_channel_limit */ - -int -HiSax_command(isdn_ctrl *ic) -{ - struct IsdnCardState *csta = hisax_findcard(ic->driver); - struct PStack *st; - struct Channel *chanp; - int i; - u_int num; - - if (!csta) { - printk(KERN_ERR - "HiSax: if_command %d called with invalid driverId %d!\n", - ic->command, ic->driver); - return -ENODEV; - } - switch (ic->command) { - case (ISDN_CMD_SETEAZ): - chanp = csta->channel + ic->arg; - break; - case (ISDN_CMD_SETL2): - chanp = csta->channel + (ic->arg & 0xff); - if (chanp->debug & 1) - link_debug(chanp, 1, "SETL2 card %d %ld", - csta->cardnr + 1, ic->arg >> 8); - chanp->l2_protocol = ic->arg >> 8; - break; - case (ISDN_CMD_SETL3): - chanp = csta->channel + (ic->arg & 0xff); - if (chanp->debug & 1) - link_debug(chanp, 1, "SETL3 card %d %ld", - csta->cardnr + 1, ic->arg >> 8); - chanp->l3_protocol = ic->arg >> 8; - break; - case (ISDN_CMD_DIAL): - chanp = csta->channel + (ic->arg & 0xff); - if (chanp->debug & 1) - link_debug(chanp, 1, "DIAL %s -> %s (%d,%d)", - ic->parm.setup.eazmsn, ic->parm.setup.phone, - ic->parm.setup.si1, ic->parm.setup.si2); - memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); - if (!strcmp(chanp->setup.eazmsn, "0")) - chanp->setup.eazmsn[0] = '\0'; - /* this solution is dirty and may be change, if - * we make a callreference based callmanager */ - if (chanp->fi.state == ST_NULL) { - FsmEvent(&chanp->fi, EV_DIAL, NULL); - } else { - FsmDelTimer(&chanp->dial_timer, 70); - FsmAddTimer(&chanp->dial_timer, 50, EV_DIAL, NULL, 71); - } - break; - case (ISDN_CMD_ACCEPTB): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - link_debug(chanp, 1, "ACCEPTB"); - FsmEvent(&chanp->fi, EV_ACCEPTB, NULL); - break; - case (ISDN_CMD_ACCEPTD): - chanp = csta->channel + ic->arg; - memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); - if (chanp->debug & 1) - link_debug(chanp, 1, "ACCEPTD"); - FsmEvent(&chanp->fi, EV_ACCEPTD, NULL); - break; - case (ISDN_CMD_HANGUP): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - link_debug(chanp, 1, "HANGUP"); - FsmEvent(&chanp->fi, EV_HANGUP, NULL); - break; - case (CAPI_PUT_MESSAGE): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - capi_debug(chanp, &ic->parm.cmsg); - if (ic->parm.cmsg.Length < 8) - break; - switch (ic->parm.cmsg.Command) { - case CAPI_FACILITY: - if (ic->parm.cmsg.Subcommand == CAPI_REQ) - lli_got_fac_req(chanp, &ic->parm.cmsg); - break; - case CAPI_MANUFACTURER: - if (ic->parm.cmsg.Subcommand == CAPI_REQ) - lli_got_manufacturer(chanp, csta, &ic->parm.cmsg); - break; - default: - break; - } - break; - case (ISDN_CMD_IOCTL): - switch (ic->arg) { - case (0): - num = *(unsigned int *) ic->parm.num; - HiSax_reportcard(csta->cardnr, num); - break; - case (1): - num = *(unsigned int *) ic->parm.num; - distr_debug(csta, num); - printk(KERN_DEBUG "HiSax: debugging flags card %d set to %x\n", - csta->cardnr + 1, num); - HiSax_putstatus(csta, "debugging flags ", - "card %d set to %x", csta->cardnr + 1, num); - break; - case (2): - num = *(unsigned int *) ic->parm.num; - csta->channel[0].b_st->l1.delay = num; - csta->channel[1].b_st->l1.delay = num; - HiSax_putstatus(csta, "delay ", "card %d set to %d ms", - csta->cardnr + 1, num); - printk(KERN_DEBUG "HiSax: delay card %d set to %d ms\n", - csta->cardnr + 1, num); - break; - case (5): /* set card in leased mode */ - num = *(unsigned int *) ic->parm.num; - if ((num < 1) || (num > 2)) { - HiSax_putstatus(csta, "Set LEASED ", - "wrong channel %d", num); - printk(KERN_WARNING "HiSax: Set LEASED wrong channel %d\n", - num); - } else { - num--; - chanp = csta->channel + num; - chanp->leased = 1; - HiSax_putstatus(csta, "Card", - "%d channel %d set leased mode\n", - csta->cardnr + 1, num + 1); - chanp->d_st->l1.l1l2 = leased_l1l2; - chanp->d_st->lli.l4l3 = leased_l4l3; - chanp->d_st->lli.l4l3(chanp->d_st, - DL_ESTABLISH | REQUEST, NULL); - } - break; - case (6): /* set B-channel test loop */ - num = *(unsigned int *) ic->parm.num; - if (csta->stlist) - csta->stlist->l2.l2l1(csta->stlist, - PH_TESTLOOP | REQUEST, (void *) (long)num); - break; - case (7): /* set card in PTP mode */ - num = *(unsigned int *) ic->parm.num; - if (test_bit(FLG_TWO_DCHAN, &csta->HW_Flags)) { - printk(KERN_ERR "HiSax PTP mode only with one TEI possible\n"); - } else if (num) { - test_and_set_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); - test_and_set_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); - csta->channel[0].d_st->l2.tei = 0; - HiSax_putstatus(csta, "set card ", "in PTP mode"); - printk(KERN_DEBUG "HiSax: set card in PTP mode\n"); - printk(KERN_INFO "LAYER2 WATCHING ESTABLISH\n"); - csta->channel[0].d_st->lli.l4l3(csta->channel[0].d_st, - DL_ESTABLISH | REQUEST, NULL); - } else { - test_and_clear_bit(FLG_PTP, &csta->channel[0].d_st->l2.flag); - test_and_clear_bit(FLG_FIXED_TEI, &csta->channel[0].d_st->l2.flag); - HiSax_putstatus(csta, "set card ", "in PTMP mode"); - printk(KERN_DEBUG "HiSax: set card in PTMP mode\n"); - } - break; - case (8): /* set card in FIXED TEI mode */ - num = *(unsigned int *)ic->parm.num; - chanp = csta->channel + (num & 1); - num = num >> 1; - if (num == 127) { - test_and_clear_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); - chanp->d_st->l2.tei = -1; - HiSax_putstatus(csta, "set card ", "in VAR TEI mode"); - printk(KERN_DEBUG "HiSax: set card in VAR TEI mode\n"); - } else { - test_and_set_bit(FLG_FIXED_TEI, &chanp->d_st->l2.flag); - chanp->d_st->l2.tei = num; - HiSax_putstatus(csta, "set card ", "in FIXED TEI (%d) mode", num); - printk(KERN_DEBUG "HiSax: set card in FIXED TEI (%d) mode\n", - num); - } - chanp->d_st->lli.l4l3(chanp->d_st, - DL_ESTABLISH | REQUEST, NULL); - break; - case (11): - num = csta->debug & DEB_DLOG_HEX; - csta->debug = *(unsigned int *) ic->parm.num; - csta->debug |= num; - HiSax_putstatus(cards[0].cs, "l1 debugging ", - "flags card %d set to %x", - csta->cardnr + 1, csta->debug); - printk(KERN_DEBUG "HiSax: l1 debugging flags card %d set to %x\n", - csta->cardnr + 1, csta->debug); - break; - case (13): - csta->channel[0].d_st->l3.debug = *(unsigned int *) ic->parm.num; - csta->channel[1].d_st->l3.debug = *(unsigned int *) ic->parm.num; - HiSax_putstatus(cards[0].cs, "l3 debugging ", - "flags card %d set to %x\n", csta->cardnr + 1, - *(unsigned int *) ic->parm.num); - printk(KERN_DEBUG "HiSax: l3 debugging flags card %d set to %x\n", - csta->cardnr + 1, *(unsigned int *) ic->parm.num); - break; - case (10): - i = *(unsigned int *) ic->parm.num; - return (set_channel_limit(csta, i)); - default: - if (csta->auxcmd) - return (csta->auxcmd(csta, ic)); - printk(KERN_DEBUG "HiSax: invalid ioctl %d\n", - (int) ic->arg); - return (-EINVAL); - } - break; - - case (ISDN_CMD_PROCEED): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - link_debug(chanp, 1, "PROCEED"); - FsmEvent(&chanp->fi, EV_PROCEED, NULL); - break; - - case (ISDN_CMD_ALERT): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - link_debug(chanp, 1, "ALERT"); - FsmEvent(&chanp->fi, EV_ALERT, NULL); - break; - - case (ISDN_CMD_REDIR): - chanp = csta->channel + ic->arg; - if (chanp->debug & 1) - link_debug(chanp, 1, "REDIR"); - memcpy(&chanp->setup, &ic->parm.setup, sizeof(setup_parm)); - FsmEvent(&chanp->fi, EV_REDIR, NULL); - break; - - /* protocol specific io commands */ - case (ISDN_CMD_PROT_IO): - for (st = csta->stlist; st; st = st->next) - if (st->protocol == (ic->arg & 0xFF)) - return (st->lli.l4l3_proto(st, ic)); - return (-EINVAL); - break; - default: - if (csta->auxcmd) - return (csta->auxcmd(csta, ic)); - return (-EINVAL); - } - return (0); -} - -int -HiSax_writebuf_skb(int id, int chan, int ack, struct sk_buff *skb) -{ - struct IsdnCardState *csta = hisax_findcard(id); - struct Channel *chanp; - struct PStack *st; - int len = skb->len; - struct sk_buff *nskb; - - if (!csta) { - printk(KERN_ERR - "HiSax: if_sendbuf called with invalid driverId!\n"); - return -ENODEV; - } - chanp = csta->channel + chan; - st = chanp->b_st; - if (!chanp->data_open) { - link_debug(chanp, 1, "writebuf: channel not open"); - return -EIO; - } - if (len > MAX_DATA_SIZE) { - link_debug(chanp, 1, "writebuf: packet too large (%d bytes)", len); - printk(KERN_WARNING "HiSax_writebuf: packet too large (%d bytes) !\n", - len); - return -EINVAL; - } - if (len) { - if ((len + chanp->bcs->tx_cnt) > MAX_DATA_MEM) { - /* Must return 0 here, since this is not an error - * but a temporary lack of resources. - */ - if (chanp->debug & 0x800) - link_debug(chanp, 1, "writebuf: no buffers for %d bytes", len); - return 0; - } else if (chanp->debug & 0x800) - link_debug(chanp, 1, "writebuf %d/%d/%d", len, chanp->bcs->tx_cnt, MAX_DATA_MEM); - nskb = skb_clone(skb, GFP_ATOMIC); - if (nskb) { - nskb->truesize = nskb->len; - if (!ack) - nskb->pkt_type = PACKET_NOACK; - if (chanp->l2_active_protocol == ISDN_PROTO_L2_X75I) - st->l3.l3l2(st, DL_DATA | REQUEST, nskb); - else { - chanp->bcs->tx_cnt += len; - st->l2.l2l1(st, PH_DATA | REQUEST, nskb); - } - dev_kfree_skb(skb); - } else - len = 0; - } - return (len); -} |