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path: root/drivers/isdn/divert/isdn_divert.c
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Diffstat (limited to 'drivers/isdn/divert/isdn_divert.c')
-rw-r--r--drivers/isdn/divert/isdn_divert.c846
1 files changed, 0 insertions, 846 deletions
diff --git a/drivers/isdn/divert/isdn_divert.c b/drivers/isdn/divert/isdn_divert.c
deleted file mode 100644
index 5620fd2c6009..000000000000
--- a/drivers/isdn/divert/isdn_divert.c
+++ /dev/null
@@ -1,846 +0,0 @@
-/* $Id: isdn_divert.c,v 1.6.6.3 2001/09/23 22:24:36 kai Exp $
- *
- * DSS1 main diversion supplementary handling for i4l.
- *
- * Copyright 1999 by Werner Cornelius (werner@isdn4linux.de)
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/proc_fs.h>
-#include <linux/slab.h>
-#include <linux/timer.h>
-#include <linux/jiffies.h>
-
-#include "isdn_divert.h"
-
-/**********************************/
-/* structure keeping calling info */
-/**********************************/
-struct call_struc {
- isdn_ctrl ics; /* delivered setup + driver parameters */
- ulong divert_id; /* Id delivered to user */
- unsigned char akt_state; /* actual state */
- char deflect_dest[35]; /* deflection destination */
- struct timer_list timer; /* timer control structure */
- char info[90]; /* device info output */
- struct call_struc *next; /* pointer to next entry */
- struct call_struc *prev;
-};
-
-
-/********************************************/
-/* structure keeping deflection table entry */
-/********************************************/
-struct deflect_struc {
- struct deflect_struc *next, *prev;
- divert_rule rule; /* used rule */
-};
-
-
-/*****************************************/
-/* variables for main diversion services */
-/*****************************************/
-/* diversion/deflection processes */
-static struct call_struc *divert_head = NULL; /* head of remembered entrys */
-static ulong next_id = 1; /* next info id */
-static struct deflect_struc *table_head = NULL;
-static struct deflect_struc *table_tail = NULL;
-static unsigned char extern_wait_max = 4; /* maximum wait in s for external process */
-
-DEFINE_SPINLOCK(divert_lock);
-
-/***************************/
-/* timer callback function */
-/***************************/
-static void deflect_timer_expire(struct timer_list *t)
-{
- unsigned long flags;
- struct call_struc *cs = from_timer(cs, t, timer);
-
- spin_lock_irqsave(&divert_lock, flags);
- del_timer(&cs->timer); /* delete active timer */
- spin_unlock_irqrestore(&divert_lock, flags);
-
- switch (cs->akt_state) {
- case DEFLECT_PROCEED:
- cs->ics.command = ISDN_CMD_HANGUP; /* cancel action */
- divert_if.ll_cmd(&cs->ics);
- spin_lock_irqsave(&divert_lock, flags);
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
- break;
-
- case DEFLECT_ALERT:
- cs->ics.command = ISDN_CMD_REDIR; /* protocol */
- strlcpy(cs->ics.parm.setup.phone, cs->deflect_dest, sizeof(cs->ics.parm.setup.phone));
- strcpy(cs->ics.parm.setup.eazmsn, "Testtext delayed");
- divert_if.ll_cmd(&cs->ics);
- spin_lock_irqsave(&divert_lock, flags);
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
- break;
-
- case DEFLECT_AUTODEL:
- default:
- spin_lock_irqsave(&divert_lock, flags);
- if (cs->prev)
- cs->prev->next = cs->next; /* forward link */
- else
- divert_head = cs->next;
- if (cs->next)
- cs->next->prev = cs->prev; /* back link */
- spin_unlock_irqrestore(&divert_lock, flags);
- kfree(cs);
- return;
-
- } /* switch */
-} /* deflect_timer_func */
-
-
-/*****************************************/
-/* handle call forwarding de/activations */
-/* 0 = deact, 1 = act, 2 = interrogate */
-/*****************************************/
-int cf_command(int drvid, int mode,
- u_char proc, char *msn,
- u_char service, char *fwd_nr, ulong *procid)
-{
- unsigned long flags;
- int retval, msnlen;
- int fwd_len;
- char *p, *ielenp, tmp[60];
- struct call_struc *cs;
-
- if (strchr(msn, '.')) return (-EINVAL); /* subaddress not allowed in msn */
- if ((proc & 0x7F) > 2) return (-EINVAL);
- proc &= 3;
- p = tmp;
- *p++ = 0x30; /* enumeration */
- ielenp = p++; /* remember total length position */
- *p++ = 0xa; /* proc tag */
- *p++ = 1; /* length */
- *p++ = proc & 0x7F; /* procedure to de/activate/interrogate */
- *p++ = 0xa; /* service tag */
- *p++ = 1; /* length */
- *p++ = service; /* service to handle */
-
- if (mode == 1) {
- if (!*fwd_nr) return (-EINVAL); /* destination missing */
- if (strchr(fwd_nr, '.')) return (-EINVAL); /* subaddress not allowed */
- fwd_len = strlen(fwd_nr);
- *p++ = 0x30; /* number enumeration */
- *p++ = fwd_len + 2; /* complete forward to len */
- *p++ = 0x80; /* fwd to nr */
- *p++ = fwd_len; /* length of number */
- strcpy(p, fwd_nr); /* copy number */
- p += fwd_len; /* pointer beyond fwd */
- } /* activate */
-
- msnlen = strlen(msn);
- *p++ = 0x80; /* msn number */
- if (msnlen > 1) {
- *p++ = msnlen; /* length */
- strcpy(p, msn);
- p += msnlen;
- } else
- *p++ = 0;
-
- *ielenp = p - ielenp - 1; /* set total IE length */
-
- /* allocate mem for information struct */
- if (!(cs = kmalloc(sizeof(struct call_struc), GFP_ATOMIC)))
- return (-ENOMEM); /* no memory */
- timer_setup(&cs->timer, deflect_timer_expire, 0);
- cs->info[0] = '\0';
- cs->ics.driver = drvid;
- cs->ics.command = ISDN_CMD_PROT_IO; /* protocol specific io */
- cs->ics.arg = DSS1_CMD_INVOKE; /* invoke supplementary service */
- cs->ics.parm.dss1_io.proc = (mode == 1) ? 7 : (mode == 2) ? 11 : 8; /* operation */
- cs->ics.parm.dss1_io.timeout = 4000; /* from ETS 300 207-1 */
- cs->ics.parm.dss1_io.datalen = p - tmp; /* total len */
- cs->ics.parm.dss1_io.data = tmp; /* start of buffer */
-
- spin_lock_irqsave(&divert_lock, flags);
- cs->ics.parm.dss1_io.ll_id = next_id++; /* id for callback */
- spin_unlock_irqrestore(&divert_lock, flags);
- *procid = cs->ics.parm.dss1_io.ll_id;
-
- sprintf(cs->info, "%d 0x%lx %s%s 0 %s %02x %d%s%s\n",
- (!mode) ? DIVERT_DEACTIVATE : (mode == 1) ? DIVERT_ACTIVATE : DIVERT_REPORT,
- cs->ics.parm.dss1_io.ll_id,
- (mode != 2) ? "" : "0 ",
- divert_if.drv_to_name(cs->ics.driver),
- msn,
- service & 0xFF,
- proc,
- (mode != 1) ? "" : " 0 ",
- (mode != 1) ? "" : fwd_nr);
-
- retval = divert_if.ll_cmd(&cs->ics); /* execute command */
-
- if (!retval) {
- cs->prev = NULL;
- spin_lock_irqsave(&divert_lock, flags);
- cs->next = divert_head;
- divert_head = cs;
- spin_unlock_irqrestore(&divert_lock, flags);
- } else
- kfree(cs);
- return (retval);
-} /* cf_command */
-
-
-/****************************************/
-/* handle a external deflection command */
-/****************************************/
-int deflect_extern_action(u_char cmd, ulong callid, char *to_nr)
-{
- struct call_struc *cs;
- isdn_ctrl ic;
- unsigned long flags;
- int i;
-
- if ((cmd & 0x7F) > 2) return (-EINVAL); /* invalid command */
- cs = divert_head; /* start of parameter list */
- while (cs) {
- if (cs->divert_id == callid) break; /* found */
- cs = cs->next;
- } /* search entry */
- if (!cs) return (-EINVAL); /* invalid callid */
-
- ic.driver = cs->ics.driver;
- ic.arg = cs->ics.arg;
- i = -EINVAL;
- if (cs->akt_state == DEFLECT_AUTODEL) return (i); /* no valid call */
- switch (cmd & 0x7F) {
- case 0: /* hangup */
- del_timer(&cs->timer);
- ic.command = ISDN_CMD_HANGUP;
- i = divert_if.ll_cmd(&ic);
- spin_lock_irqsave(&divert_lock, flags);
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
- break;
-
- case 1: /* alert */
- if (cs->akt_state == DEFLECT_ALERT) return (0);
- cmd &= 0x7F; /* never wait */
- del_timer(&cs->timer);
- ic.command = ISDN_CMD_ALERT;
- if ((i = divert_if.ll_cmd(&ic))) {
- spin_lock_irqsave(&divert_lock, flags);
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
- } else
- cs->akt_state = DEFLECT_ALERT;
- break;
-
- case 2: /* redir */
- del_timer(&cs->timer);
- strlcpy(cs->ics.parm.setup.phone, to_nr, sizeof(cs->ics.parm.setup.phone));
- strcpy(cs->ics.parm.setup.eazmsn, "Testtext manual");
- ic.command = ISDN_CMD_REDIR;
- if ((i = divert_if.ll_cmd(&ic))) {
- spin_lock_irqsave(&divert_lock, flags);
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
- } else
- cs->akt_state = DEFLECT_ALERT;
- break;
-
- } /* switch */
- return (i);
-} /* deflect_extern_action */
-
-/********************************/
-/* insert a new rule before idx */
-/********************************/
-int insertrule(int idx, divert_rule *newrule)
-{
- struct deflect_struc *ds, *ds1 = NULL;
- unsigned long flags;
-
- if (!(ds = kmalloc(sizeof(struct deflect_struc), GFP_KERNEL)))
- return (-ENOMEM); /* no memory */
-
- ds->rule = *newrule; /* set rule */
-
- spin_lock_irqsave(&divert_lock, flags);
-
- if (idx >= 0) {
- ds1 = table_head;
- while ((ds1) && (idx > 0))
- { idx--;
- ds1 = ds1->next;
- }
- if (!ds1) idx = -1;
- }
-
- if (idx < 0) {
- ds->prev = table_tail; /* previous entry */
- ds->next = NULL; /* end of chain */
- if (ds->prev)
- ds->prev->next = ds; /* last forward */
- else
- table_head = ds; /* is first entry */
- table_tail = ds; /* end of queue */
- } else {
- ds->next = ds1; /* next entry */
- ds->prev = ds1->prev; /* prev entry */
- ds1->prev = ds; /* backward chain old element */
- if (!ds->prev)
- table_head = ds; /* first element */
- }
-
- spin_unlock_irqrestore(&divert_lock, flags);
- return (0);
-} /* insertrule */
-
-/***********************************/
-/* delete the rule at position idx */
-/***********************************/
-int deleterule(int idx)
-{
- struct deflect_struc *ds, *ds1;
- unsigned long flags;
-
- if (idx < 0) {
- spin_lock_irqsave(&divert_lock, flags);
- ds = table_head;
- table_head = NULL;
- table_tail = NULL;
- spin_unlock_irqrestore(&divert_lock, flags);
- while (ds) {
- ds1 = ds;
- ds = ds->next;
- kfree(ds1);
- }
- return (0);
- }
-
- spin_lock_irqsave(&divert_lock, flags);
- ds = table_head;
-
- while ((ds) && (idx > 0)) {
- idx--;
- ds = ds->next;
- }
-
- if (!ds) {
- spin_unlock_irqrestore(&divert_lock, flags);
- return (-EINVAL);
- }
-
- if (ds->next)
- ds->next->prev = ds->prev; /* backward chain */
- else
- table_tail = ds->prev; /* end of chain */
-
- if (ds->prev)
- ds->prev->next = ds->next; /* forward chain */
- else
- table_head = ds->next; /* start of chain */
-
- spin_unlock_irqrestore(&divert_lock, flags);
- kfree(ds);
- return (0);
-} /* deleterule */
-
-/*******************************************/
-/* get a pointer to a specific rule number */
-/*******************************************/
-divert_rule *getruleptr(int idx)
-{
- struct deflect_struc *ds = table_head;
-
- if (idx < 0) return (NULL);
- while ((ds) && (idx >= 0)) {
- if (!(idx--)) {
- return (&ds->rule);
- break;
- }
- ds = ds->next;
- }
- return (NULL);
-} /* getruleptr */
-
-/*************************************************/
-/* called from common module on an incoming call */
-/*************************************************/
-static int isdn_divert_icall(isdn_ctrl *ic)
-{
- int retval = 0;
- unsigned long flags;
- struct call_struc *cs = NULL;
- struct deflect_struc *dv;
- char *p, *p1;
- u_char accept;
-
- /* first check the internal deflection table */
- for (dv = table_head; dv; dv = dv->next) {
- /* scan table */
- if (((dv->rule.callopt == 1) && (ic->command == ISDN_STAT_ICALLW)) ||
- ((dv->rule.callopt == 2) && (ic->command == ISDN_STAT_ICALL)))
- continue; /* call option check */
- if (!(dv->rule.drvid & (1L << ic->driver)))
- continue; /* driver not matching */
- if ((dv->rule.si1) && (dv->rule.si1 != ic->parm.setup.si1))
- continue; /* si1 not matching */
- if ((dv->rule.si2) && (dv->rule.si2 != ic->parm.setup.si2))
- continue; /* si2 not matching */
-
- p = dv->rule.my_msn;
- p1 = ic->parm.setup.eazmsn;
- accept = 0;
- while (*p) {
- /* complete compare */
- if (*p == '-') {
- accept = 1; /* call accepted */
- break;
- }
- if (*p++ != *p1++)
- break; /* not accepted */
- if ((!*p) && (!*p1))
- accept = 1;
- } /* complete compare */
- if (!accept) continue; /* not accepted */
-
- if ((strcmp(dv->rule.caller, "0")) ||
- (ic->parm.setup.phone[0])) {
- p = dv->rule.caller;
- p1 = ic->parm.setup.phone;
- accept = 0;
- while (*p) {
- /* complete compare */
- if (*p == '-') {
- accept = 1; /* call accepted */
- break;
- }
- if (*p++ != *p1++)
- break; /* not accepted */
- if ((!*p) && (!*p1))
- accept = 1;
- } /* complete compare */
- if (!accept) continue; /* not accepted */
- }
-
- switch (dv->rule.action) {
- case DEFLECT_IGNORE:
- return 0;
-
- case DEFLECT_ALERT:
- case DEFLECT_PROCEED:
- case DEFLECT_REPORT:
- case DEFLECT_REJECT:
- if (dv->rule.action == DEFLECT_PROCEED)
- if ((!if_used) || ((!extern_wait_max) && (!dv->rule.waittime)))
- return (0); /* no external deflection needed */
- if (!(cs = kmalloc(sizeof(struct call_struc), GFP_ATOMIC)))
- return (0); /* no memory */
- timer_setup(&cs->timer, deflect_timer_expire, 0);
- cs->info[0] = '\0';
-
- cs->ics = *ic; /* copy incoming data */
- if (!cs->ics.parm.setup.phone[0]) strcpy(cs->ics.parm.setup.phone, "0");
- if (!cs->ics.parm.setup.eazmsn[0]) strcpy(cs->ics.parm.setup.eazmsn, "0");
- cs->ics.parm.setup.screen = dv->rule.screen;
- if (dv->rule.waittime)
- cs->timer.expires = jiffies + (HZ * dv->rule.waittime);
- else if (dv->rule.action == DEFLECT_PROCEED)
- cs->timer.expires = jiffies + (HZ * extern_wait_max);
- else
- cs->timer.expires = 0;
- cs->akt_state = dv->rule.action;
- spin_lock_irqsave(&divert_lock, flags);
- cs->divert_id = next_id++; /* new sequence number */
- spin_unlock_irqrestore(&divert_lock, flags);
- cs->prev = NULL;
- if (cs->akt_state == DEFLECT_ALERT) {
- strcpy(cs->deflect_dest, dv->rule.to_nr);
- if (!cs->timer.expires) {
- strcpy(ic->parm.setup.eazmsn,
- "Testtext direct");
- ic->parm.setup.screen = dv->rule.screen;
- strlcpy(ic->parm.setup.phone, dv->rule.to_nr, sizeof(ic->parm.setup.phone));
- cs->akt_state = DEFLECT_AUTODEL; /* delete after timeout */
- cs->timer.expires = jiffies + (HZ * AUTODEL_TIME);
- retval = 5;
- } else
- retval = 1; /* alerting */
- } else {
- cs->deflect_dest[0] = '\0';
- retval = 4; /* only proceed */
- }
- snprintf(cs->info, sizeof(cs->info),
- "%d 0x%lx %s %s %s %s 0x%x 0x%x %d %d %s\n",
- cs->akt_state,
- cs->divert_id,
- divert_if.drv_to_name(cs->ics.driver),
- (ic->command == ISDN_STAT_ICALLW) ? "1" : "0",
- cs->ics.parm.setup.phone,
- cs->ics.parm.setup.eazmsn,
- cs->ics.parm.setup.si1,
- cs->ics.parm.setup.si2,
- cs->ics.parm.setup.screen,
- dv->rule.waittime,
- cs->deflect_dest);
- if ((dv->rule.action == DEFLECT_REPORT) ||
- (dv->rule.action == DEFLECT_REJECT)) {
- put_info_buffer(cs->info);
- kfree(cs); /* remove */
- return ((dv->rule.action == DEFLECT_REPORT) ? 0 : 2); /* nothing to do */
- }
- break;
-
- default:
- return 0; /* ignore call */
- } /* switch action */
- break; /* will break the 'for' looping */
- } /* scan_table */
-
- if (cs) {
- cs->prev = NULL;
- spin_lock_irqsave(&divert_lock, flags);
- cs->next = divert_head;
- divert_head = cs;
- if (cs->timer.expires) add_timer(&cs->timer);
- spin_unlock_irqrestore(&divert_lock, flags);
-
- put_info_buffer(cs->info);
- return (retval);
- } else
- return (0);
-} /* isdn_divert_icall */
-
-
-void deleteprocs(void)
-{
- struct call_struc *cs, *cs1;
- unsigned long flags;
-
- spin_lock_irqsave(&divert_lock, flags);
- cs = divert_head;
- divert_head = NULL;
- while (cs) {
- del_timer(&cs->timer);
- cs1 = cs;
- cs = cs->next;
- kfree(cs1);
- }
- spin_unlock_irqrestore(&divert_lock, flags);
-} /* deleteprocs */
-
-/****************************************************/
-/* put a address including address type into buffer */
-/****************************************************/
-static int put_address(char *st, u_char *p, int len)
-{
- u_char retval = 0;
- u_char adr_typ = 0; /* network standard */
-
- if (len < 2) return (retval);
- if (*p == 0xA1) {
- retval = *(++p) + 2; /* total length */
- if (retval > len) return (0); /* too short */
- len = retval - 2; /* remaining length */
- if (len < 3) return (0);
- if ((*(++p) != 0x0A) || (*(++p) != 1)) return (0);
- adr_typ = *(++p);
- len -= 3;
- p++;
- if (len < 2) return (0);
- if (*p++ != 0x12) return (0);
- if (*p > len) return (0); /* check number length */
- len = *p++;
- } else if (*p == 0x80) {
- retval = *(++p) + 2; /* total length */
- if (retval > len) return (0);
- len = retval - 2;
- p++;
- } else
- return (0); /* invalid address information */
-
- sprintf(st, "%d ", adr_typ);
- st += strlen(st);
- if (!len)
- *st++ = '-';
- else
- while (len--)
- *st++ = *p++;
- *st = '\0';
- return (retval);
-} /* put_address */
-
-/*************************************/
-/* report a successful interrogation */
-/*************************************/
-static int interrogate_success(isdn_ctrl *ic, struct call_struc *cs)
-{
- char *src = ic->parm.dss1_io.data;
- int restlen = ic->parm.dss1_io.datalen;
- int cnt = 1;
- u_char n, n1;
- char st[90], *p, *stp;
-
- if (restlen < 2) return (-100); /* frame too short */
- if (*src++ != 0x30) return (-101);
- if ((n = *src++) > 0x81) return (-102); /* invalid length field */
- restlen -= 2; /* remaining bytes */
- if (n == 0x80) {
- if (restlen < 2) return (-103);
- if ((*(src + restlen - 1)) || (*(src + restlen - 2))) return (-104);
- restlen -= 2;
- } else if (n == 0x81) {
- n = *src++;
- restlen--;
- if (n > restlen) return (-105);
- restlen = n;
- } else if (n > restlen)
- return (-106);
- else
- restlen = n; /* standard format */
- if (restlen < 3) return (-107); /* no procedure */
- if ((*src++ != 2) || (*src++ != 1) || (*src++ != 0x0B)) return (-108);
- restlen -= 3;
- if (restlen < 2) return (-109); /* list missing */
- if (*src == 0x31) {
- src++;
- if ((n = *src++) > 0x81) return (-110); /* invalid length field */
- restlen -= 2; /* remaining bytes */
- if (n == 0x80) {
- if (restlen < 2) return (-111);
- if ((*(src + restlen - 1)) || (*(src + restlen - 2))) return (-112);
- restlen -= 2;
- } else if (n == 0x81) {
- n = *src++;
- restlen--;
- if (n > restlen) return (-113);
- restlen = n;
- } else if (n > restlen)
- return (-114);
- else
- restlen = n; /* standard format */
- } /* result list header */
-
- while (restlen >= 2) {
- stp = st;
- sprintf(stp, "%d 0x%lx %d %s ", DIVERT_REPORT, ic->parm.dss1_io.ll_id,
- cnt++, divert_if.drv_to_name(ic->driver));
- stp += strlen(stp);
- if (*src++ != 0x30) return (-115); /* invalid enum */
- n = *src++;
- restlen -= 2;
- if (n > restlen) return (-116); /* enum length wrong */
- restlen -= n;
- p = src; /* one entry */
- src += n;
- if (!(n1 = put_address(stp, p, n & 0xFF))) continue;
- stp += strlen(stp);
- p += n1;
- n -= n1;
- if (n < 6) continue; /* no service and proc */
- if ((*p++ != 0x0A) || (*p++ != 1)) continue;
- sprintf(stp, " 0x%02x ", (*p++) & 0xFF);
- stp += strlen(stp);
- if ((*p++ != 0x0A) || (*p++ != 1)) continue;
- sprintf(stp, "%d ", (*p++) & 0xFF);
- stp += strlen(stp);
- n -= 6;
- if (n > 2) {
- if (*p++ != 0x30) continue;
- if (*p > (n - 2)) continue;
- n = *p++;
- if (!(n1 = put_address(stp, p, n & 0xFF))) continue;
- stp += strlen(stp);
- }
- sprintf(stp, "\n");
- put_info_buffer(st);
- } /* while restlen */
- if (restlen) return (-117);
- return (0);
-} /* interrogate_success */
-
-/*********************************************/
-/* callback for protocol specific extensions */
-/*********************************************/
-static int prot_stat_callback(isdn_ctrl *ic)
-{
- struct call_struc *cs, *cs1;
- int i;
- unsigned long flags;
-
- cs = divert_head; /* start of list */
- cs1 = NULL;
- while (cs) {
- if (ic->driver == cs->ics.driver) {
- switch (cs->ics.arg) {
- case DSS1_CMD_INVOKE:
- if ((cs->ics.parm.dss1_io.ll_id == ic->parm.dss1_io.ll_id) &&
- (cs->ics.parm.dss1_io.hl_id == ic->parm.dss1_io.hl_id)) {
- switch (ic->arg) {
- case DSS1_STAT_INVOKE_ERR:
- sprintf(cs->info, "128 0x%lx 0x%x\n",
- ic->parm.dss1_io.ll_id,
- ic->parm.dss1_io.timeout);
- put_info_buffer(cs->info);
- break;
-
- case DSS1_STAT_INVOKE_RES:
- switch (cs->ics.parm.dss1_io.proc) {
- case 7:
- case 8:
- put_info_buffer(cs->info);
- break;
-
- case 11:
- i = interrogate_success(ic, cs);
- if (i)
- sprintf(cs->info, "%d 0x%lx %d\n", DIVERT_REPORT,
- ic->parm.dss1_io.ll_id, i);
- put_info_buffer(cs->info);
- break;
-
- default:
- printk(KERN_WARNING "dss1_divert: unknown proc %d\n", cs->ics.parm.dss1_io.proc);
- break;
- }
-
- break;
-
- default:
- printk(KERN_WARNING "dss1_divert unknown invoke answer %lx\n", ic->arg);
- break;
- }
- cs1 = cs; /* remember structure */
- cs = NULL;
- continue; /* abort search */
- } /* id found */
- break;
-
- case DSS1_CMD_INVOKE_ABORT:
- printk(KERN_WARNING "dss1_divert unhandled invoke abort\n");
- break;
-
- default:
- printk(KERN_WARNING "dss1_divert unknown cmd 0x%lx\n", cs->ics.arg);
- break;
- } /* switch ics.arg */
- cs = cs->next;
- } /* driver ok */
- }
-
- if (!cs1) {
- printk(KERN_WARNING "dss1_divert unhandled process\n");
- return (0);
- }
-
- if (cs1->ics.driver == -1) {
- spin_lock_irqsave(&divert_lock, flags);
- del_timer(&cs1->timer);
- if (cs1->prev)
- cs1->prev->next = cs1->next; /* forward link */
- else
- divert_head = cs1->next;
- if (cs1->next)
- cs1->next->prev = cs1->prev; /* back link */
- spin_unlock_irqrestore(&divert_lock, flags);
- kfree(cs1);
- }
-
- return (0);
-} /* prot_stat_callback */
-
-
-/***************************/
-/* status callback from HL */
-/***************************/
-static int isdn_divert_stat_callback(isdn_ctrl *ic)
-{
- struct call_struc *cs, *cs1;
- unsigned long flags;
- int retval;
-
- retval = -1;
- cs = divert_head; /* start of list */
- while (cs) {
- if ((ic->driver == cs->ics.driver) &&
- (ic->arg == cs->ics.arg)) {
- switch (ic->command) {
- case ISDN_STAT_DHUP:
- sprintf(cs->info, "129 0x%lx\n", cs->divert_id);
- del_timer(&cs->timer);
- cs->ics.driver = -1;
- break;
-
- case ISDN_STAT_CAUSE:
- sprintf(cs->info, "130 0x%lx %s\n", cs->divert_id, ic->parm.num);
- break;
-
- case ISDN_STAT_REDIR:
- sprintf(cs->info, "131 0x%lx\n", cs->divert_id);
- del_timer(&cs->timer);
- cs->ics.driver = -1;
- break;
-
- default:
- sprintf(cs->info, "999 0x%lx 0x%x\n", cs->divert_id, (int)(ic->command));
- break;
- }
- put_info_buffer(cs->info);
- retval = 0;
- }
- cs1 = cs;
- cs = cs->next;
- if (cs1->ics.driver == -1) {
- spin_lock_irqsave(&divert_lock, flags);
- if (cs1->prev)
- cs1->prev->next = cs1->next; /* forward link */
- else
- divert_head = cs1->next;
- if (cs1->next)
- cs1->next->prev = cs1->prev; /* back link */
- spin_unlock_irqrestore(&divert_lock, flags);
- kfree(cs1);
- }
- }
- return (retval); /* not found */
-} /* isdn_divert_stat_callback */
-
-
-/********************/
-/* callback from ll */
-/********************/
-int ll_callback(isdn_ctrl *ic)
-{
- switch (ic->command) {
- case ISDN_STAT_ICALL:
- case ISDN_STAT_ICALLW:
- return (isdn_divert_icall(ic));
- break;
-
- case ISDN_STAT_PROT:
- if ((ic->arg & 0xFF) == ISDN_PTYPE_EURO) {
- if (ic->arg != DSS1_STAT_INVOKE_BRD)
- return (prot_stat_callback(ic));
- else
- return (0); /* DSS1 invoke broadcast */
- } else
- return (-1); /* protocol not euro */
-
- default:
- return (isdn_divert_stat_callback(ic));
- }
-} /* ll_callback */