NetBSD/usr.sbin/isdn/isdnd/controller.c
martin fbf08005d7 Import of essential ISDN4BSD userland utilities and their documentation.
The left out parts (which have not been installed by ISDN4BSD on NetBSD
anyway), may be added as pkgs later (if demand exists).
2001-01-06 13:00:10 +00:00

512 lines
15 KiB
C

/*
* Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*---------------------------------------------------------------------------
*
* i4b daemon - controller state support routines
* ----------------------------------------------
*
* $Id: controller.c,v 1.1.1.1 2001/01/06 13:00:12 martin Exp $
*
* $FreeBSD$
*
* last edit-date: [Mon Oct 9 14:37:34 2000]
*
*---------------------------------------------------------------------------*/
#include "isdnd.h"
static int
init_controller_state(int controller, int ctrl_type, int card_type, int tei);
/*---------------------------------------------------------------------------*
* get name of a controller
*---------------------------------------------------------------------------*/
const char *
name_of_controller(int ctrl_type, int card_type)
{
static char *passive_card[] = {
"Teles S0/8",
"Teles S0/16",
"Teles S0/16.3",
"AVM A1 or Fritz!Card",
"Teles S0/16.3 PnP",
"Creatix S0 PnP",
"USRobotics Sportster ISDN TA",
"Dr. Neuhaus NICCY Go@",
"Sedlbauer win speed",
"Dynalink IS64PH",
"ISDN Master, MasterII or Blaster",
"AVM PCMCIA Fritz!Card",
"ELSA QuickStep 1000pro/ISA",
"ELSA QuickStep 1000pro/PCI",
"Siemens I-Talk",
"ELSA MicroLink ISDN/MC",
"ELSA MicroLink MCall",
"ITK ix1 micro",
"AVM Fritz!Card PCI",
"ELSA PCC-16",
"AVM Fritz!Card PnP",
"Siemens I-Surf 2.0 PnP",
"Asuscom ISDNlink 128K PnP",
"ASUSCOM P-IN100-ST-D (Winbond W6692)",
"Teles S0/16.3c PnP",
"AcerISDN P10 PnP",
"TELEINT ISDN SPEED No. 1"
};
static char *daic_card[] = {
"EICON.Diehl S",
"EICON.Diehl SX/SXn",
"EICON.Diehl SCOM",
"EICON.Diehl QUADRO",
};
if(ctrl_type == CTRL_PASSIVE)
{
int index = card_type - CARD_TYPEP_8;
if (index >= 0 && index < (sizeof passive_card / sizeof passive_card[0]))
return passive_card[index];
}
else if(ctrl_type == CTRL_DAIC)
{
int index = card_type - CARD_TYPEA_DAIC_S;
if (index >= 0 && index < (sizeof daic_card / sizeof daic_card[0] ))
return daic_card[index];
}
else if(ctrl_type == CTRL_TINADD)
{
return "Stollmann tina-dd";
}
return "unknown card type";
}
/*---------------------------------------------------------------------------*
* init controller state array
*---------------------------------------------------------------------------*/
void
init_controller(void)
{
int i;
int max = 1;
msg_ctrl_info_req_t mcir;
for(i=0; i < max; i++)
{
mcir.controller = i;
if((ioctl(isdnfd, I4B_CTRL_INFO_REQ, &mcir)) < 0)
{
log(LL_ERR, "init_controller: ioctl I4B_CTRL_INFO_REQ failed: %s", strerror(errno));
do_exit(1);
}
if((ncontroller = max = mcir.ncontroller) == 0)
{
log(LL_ERR, "init_controller: no ISDN controller found!");
do_exit(1);
}
if(mcir.ctrl_type == -1 || mcir.card_type == -1)
{
log(LL_ERR, "init_controller: ctrl/card is invalid!");
do_exit(1);
}
/* init controller tab */
if((init_controller_state(i, mcir.ctrl_type, mcir.card_type, mcir.tei)) == ERROR)
{
log(LL_ERR, "init_controller: init_controller_state for controller %d failed", i);
do_exit(1);
}
}
DBGL(DL_RCCF, (log(LL_DBG, "init_controller: found %d ISDN controller(s)", max)));
}
/*--------------------------------------------------------------------------*
* init controller state table entry
*--------------------------------------------------------------------------*/
static int
init_controller_state(int controller, int ctrl_type, int card_type, int tei)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "init_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
/* init controller tab */
if(ctrl_type == CTRL_PASSIVE)
{
if((card_type > CARD_TYPEP_UNK) &&
(card_type <= CARD_TYPEP_MAX))
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = card_type;
isdn_ctrl_tab[controller].state = CTRL_UP;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
DBGL(DL_RCCF, (log(LL_DBG, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type))));
}
else
{
log(LL_ERR, "init_controller_state: unknown card type %d", card_type);
return(ERROR);
}
}
else if(ctrl_type == CTRL_DAIC)
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = card_type;
isdn_ctrl_tab[controller].state = CTRL_DOWN;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
log(LL_DMN, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type));
}
else if(ctrl_type == CTRL_TINADD)
{
isdn_ctrl_tab[controller].ctrl_type = ctrl_type;
isdn_ctrl_tab[controller].card_type = 0;
isdn_ctrl_tab[controller].state = CTRL_DOWN;
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
isdn_ctrl_tab[controller].freechans = MAX_CHANCTRL;
isdn_ctrl_tab[controller].tei = tei;
isdn_ctrl_tab[controller].l1stat = LAYER_IDLE;
isdn_ctrl_tab[controller].l2stat = LAYER_IDLE;
log(LL_DMN, "init_controller_state: controller %d is %s",
controller,
name_of_controller(isdn_ctrl_tab[controller].ctrl_type,
isdn_ctrl_tab[controller].card_type));
}
else
{
log(LL_ERR, "init_controller_state: unknown controller type %d", ctrl_type);
return(ERROR);
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* init active controller
*--------------------------------------------------------------------------*/
void
init_active_controller(void)
{
int ret;
int unit = 0;
int controller;
char cmdbuf[MAXPATHLEN+128];
for(controller = 0; controller < ncontroller; controller++)
{
if(isdn_ctrl_tab[controller].ctrl_type == CTRL_TINADD)
{
DBGL(DL_RCCF, (log(LL_DBG, "init_active_controller, tina-dd %d: executing [%s %d]", unit, tinainitprog, unit)));
snprintf(cmdbuf, sizeof(cmdbuf), "%s %d", tinainitprog, unit);
if((ret = system(cmdbuf)) != 0)
{
log(LL_ERR, "init_active_controller, tina-dd %d: %s returned %d!", unit, tinainitprog, ret);
do_exit(1);
}
}
}
}
/*--------------------------------------------------------------------------*
* init controller D-channel ISDN protocol
*--------------------------------------------------------------------------*/
void
init_controller_protocol(void)
{
int controller;
msg_prot_ind_t mpi;
for(controller = 0; controller < ncontroller; controller++)
{
mpi.controller = controller;
mpi.protocol = isdn_ctrl_tab[controller].protocol;
if((ioctl(isdnfd, I4B_PROT_IND, &mpi)) < 0)
{
log(LL_ERR, "init_controller_protocol: ioctl I4B_PROT_IND failed: %s", strerror(errno));
do_exit(1);
}
}
}
/*--------------------------------------------------------------------------*
* set controller state to UP/DOWN
*--------------------------------------------------------------------------*/
int
set_controller_state(int controller, int state)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
if(state == CTRL_UP)
{
isdn_ctrl_tab[controller].state = CTRL_UP;
DBGL(DL_CNST, (log(LL_DBG, "set_controller_state: controller [%d] set UP!", controller)));
}
else if (state == CTRL_DOWN)
{
isdn_ctrl_tab[controller].state = CTRL_DOWN;
DBGL(DL_CNST, (log(LL_DBG, "set_controller_state: controller [%d] set DOWN!", controller)));
}
else
{
log(LL_ERR, "set_controller_state: invalid controller state [%d]!", state);
return(ERROR);
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* get controller state
*--------------------------------------------------------------------------*/
int
get_controller_state(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_controller_state: invalid controller number [%d]!", controller);
return(ERROR);
}
return(isdn_ctrl_tab[controller].state);
}
/*--------------------------------------------------------------------------*
* decrement number of free channels for controller
*--------------------------------------------------------------------------*/
int
decr_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "decr_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
if(isdn_ctrl_tab[controller].freechans > 0)
{
(isdn_ctrl_tab[controller].freechans)--;
DBGL(DL_CNST, (log(LL_DBG, "decr_free_channels: ctrl %d, now %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(GOOD);
}
else
{
log(LL_ERR, "decr_free_channels: controller [%d] already 0 free chans!", controller);
return(ERROR);
}
}
/*--------------------------------------------------------------------------*
* increment number of free channels for controller
*--------------------------------------------------------------------------*/
int
incr_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "incr_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
if(isdn_ctrl_tab[controller].freechans < MAX_CHANCTRL)
{
(isdn_ctrl_tab[controller].freechans)++;
DBGL(DL_CNST, (log(LL_DBG, "incr_free_channels: ctrl %d, now %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(GOOD);
}
else
{
log(LL_ERR, "incr_free_channels: controller [%d] already 2 free chans!", controller);
return(ERROR);
}
}
/*--------------------------------------------------------------------------*
* get number of free channels for controller
*--------------------------------------------------------------------------*/
int
get_free_channels(int controller)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "get_free_channels: invalid controller number [%d]!", controller);
return(ERROR);
}
DBGL(DL_CNST, (log(LL_DBG, "get_free_channels: ctrl %d, %d chan free", controller, isdn_ctrl_tab[controller].freechans)));
return(isdn_ctrl_tab[controller].freechans);
}
/*--------------------------------------------------------------------------*
* set channel state to busy
*--------------------------------------------------------------------------*/
int
set_channel_busy(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_channel_busy: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
if(isdn_ctrl_tab[controller].stateb1 == CHAN_RUN)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B1 already busy!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb1 = CHAN_RUN;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B1 set to BUSY!", controller)));
}
break;
case CHAN_B2:
if(isdn_ctrl_tab[controller].stateb2 == CHAN_RUN)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B2 already busy!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb2 = CHAN_RUN;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_busy: controller [%d] channel B2 set to BUSY!", controller)));
}
break;
default:
log(LL_ERR, "set_channel_busy: controller [%d], invalid channel [%d]!", controller, channel);
return(ERROR);
break;
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* set channel state to idle
*--------------------------------------------------------------------------*/
int
set_channel_idle(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "set_channel_idle: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
if(isdn_ctrl_tab[controller].stateb1 == CHAN_IDLE)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B1 already idle!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb1 = CHAN_IDLE;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B1 set to IDLE!", controller)));
}
break;
case CHAN_B2:
if(isdn_ctrl_tab[controller].stateb2 == CHAN_IDLE)
{
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B2 already idle!", controller)));
}
else
{
isdn_ctrl_tab[controller].stateb2 = CHAN_IDLE;
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d] channel B2 set to IDLE!", controller)));
}
break;
default:
DBGL(DL_CNST, (log(LL_DBG, "set_channel_idle: controller [%d], invalid channel [%d]!", controller, channel)));
return(ERROR);
break;
}
return(GOOD);
}
/*--------------------------------------------------------------------------*
* return channel state
*--------------------------------------------------------------------------*/
int
ret_channel_state(int controller, int channel)
{
if((controller < 0) || (controller >= ncontroller))
{
log(LL_ERR, "ret_channel_state: invalid controller number [%d]!", controller);
return(ERROR);
}
switch(channel)
{
case CHAN_B1:
return(isdn_ctrl_tab[controller].stateb1);
break;
case CHAN_B2:
return(isdn_ctrl_tab[controller].stateb2);
break;
default:
log(LL_ERR, "ret_channel_state: controller [%d], invalid channel [%d]!", controller, channel);
return(ERROR);
break;
}
return(ERROR);
}
/* EOF */