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-rw-r--r--drivers/isdn/hisax/callc.c1792
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);
-}